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Escalator entrapment uye kufamba nzira dzekukurumidza

Nhamba dze emergency dzinosiyana nenyika. Iri peji rinoshandisa 911, nhamba yeUnited States neCanada. Dzimwe nyika dzakawanda dzinoshandisa 112, 999, kana imwe nhamba. Tsvaga nhamba yenyika yako.

Escalators uye migwagwa inofamba (autowalks) inorema-basa indasitiri cheni inotakura inoshanda mukati mezvitoro, zviteshi zvepasi pevhu, nhandare dzendege, uye nhandare. Inotyairwa nemamotor emagetsi epamusoro-soro anotangira pa7.5 kusvika ku30 kilowatts (10 kusvika 40 horsepower) akabatana nemadhiraivha ekuderedza honye, ​​nhanho inofamba inogadzirwa kuti idhonze makumi ematani ehuremu hwevanhu panguva imwe chete pasina kudzikira. Nekuda kwekuti mota yedhiraivha yakagadzirirwa kuchengetedza kukurumidza kukurumidza zvisinei nekuremerwa kwevatakuri, muchina haugone "kunzwa" kurwisa kwetsoka yemwana, jira rakapfava rerabha, tambo yebhutsu inoteedzera, kana hembe refu ichidhonzwa mugomba.

Kana bhutsu, chigunwe, kana chipfeko chanyura mukati mesiketi yepadivi kana pasi pendiro yekubuda yemuzinga, chikwiriso chinoshanda sechidhina chisingachinjiki chekugera. Kupona uye kuchengetedzwa kwemakumbo kunoenderana nekuziva chaiyo anatomical nzvimbo ye red Emergency Stop bhatani usati wakwira pamasitepisi, kucheka kana kutsvedza kubva pashangu dzakabatwa usati wasvika kumusoro kana kuzasi kunomhara muzinga ndiro, uye kusamboedza kuparadzanisa nhanho dzesimbi pasina firefighter hydraulic spreaders kana imwe nhengo yakabaiwa.

Ita izvi ikozvino

  1. Baya bhatani dzvuku reEmergency Stop kumusoro kana kuzasi kunomhara pakarepo: Kana chero munhu shangu, hembe, stroller, kana ruoko rukabata mu escalator kana pakufamba munzira, shevedzera kuti "Baya bhatani dzvuku rekumira" kune vanenge vakamira panomhara uchimhanya kuti unozvidzvanya iwe pachako.
  2. Nyevedza vafambi kuti vatsigire machira emaoko vasati vadzvanya mira: Kurova bhatani rekumisa chimbichimbi kunocheka simba remotokari uye kunobata bhureki remuchina, zvichiita kuti masitepisi amire nokukurumidza anogona kumisa vatasvi vakamira vasina kusungirirwa mberi; shevedzera "Bata handrail, stoping escalator" paunobaya bhatani.
  3. Bvisa tsoka yako isina kupfeka kubva pabhutsu yakavharirwa kana kucheka tambo yebhutsu yakadamburwa: Kana tambo yebhutsu, bhutsu, kana chivharo cherabha chakapfava chikabatwa pakati penhanho inofamba uye siketi yepadivi uchifamba wakananga kwainomhara, dhonza tsoka yako isina bhutsu yakananga kunze kweshangu kana kubvarura/cheka tambo nguva pfupi nhanho isati yasvika pamazino endiro yemuzinga.
  4. ** Usamboedza kudhonzera nhengo yakabatwa yakananga kunze kana chikwiriso chamira **: Kana zvigunwe, zvigunwe, kana matishu akapfava akasungirirwa pazasi peplate yemuzinga kana mukati memugero wesiketi yepadivi mushure mekunge muchina wamira, kudhonza nesimba kunodambura ganda netsinga (degloving); tsigira nhengo ichiri uye mirira Fire uye Rescue technical extrication.
  5. ** Fonera masevhisi ekukurumidzira uye bvunza Heavy Rescue uye EMS **: Dhonza yako yemunharaunda emergency emergency nhamba (911 muUnited States neCanada, 112 mhiri kweEuropean Union, 999 kuUnited Kingdom, kana kuona yedu nhamba dze emergency dhairekitori) uye taura ** inoshanda escalator mechanical entrapment ** saka vanodzima moto vanounza hydraulic spreaders uye socket maturusi.
  6. Usambofa wakafamba uchikwira pachikwiriso chakamira chiri kugadziriswa: Chikwiriso chakamira chine matsikwa akabviswa kana mabhureki makuru akaregwa anogona kuerekana adzokera kumashure pasi pehuremu hwevatyairi sechitsiko chinotiza, chichidonhedza vatasvi mugomba rakavhurika resimbi.

The comb plate shear hazard at the top and bottom landings

Roughly 75 percent of severe escalator limb entrapments begin along the side skirt panel during the ride, but the most catastrophic amputations and crush injuries occur a few seconds later when that trapped shoe or foot arrives at the landing comb plate. At the top and bottom landings, the grooved aluminum step flattens out and disappears underneath an interlocking row of stationary metal teeth (the comb plate). If a foot or garment is still attached to a shoe when it reaches the comb plate, it is drawn directly into the 3-to-5-millimeter mesh gap where the steps fold into the return truss. Always pull your bare foot out of a snagged shoe while still on the incline.

Escalator anatomy: the 4 mechanical entrapment zones

Understanding where and how escalators and moving walkways trap footwear, hands, and garments helps riders avoid high-risk positions and helps bystanders identify where to stabilize a casualty.

Entrapment Zone Mechanical Location Common Items Trapped Typical Injury Mechanism
Zone 1: Step-to-Skirt Gap (Side clearance between moving step edge and stationary side wall) The vertical gap (mandated at 4 mm / 0.16 inches or less by ASME A17.1 and EN 115 codes) between the moving grooved step and the stationary metal balustrade skirt panel. Soft EVA foam/resin clogs (such as Crocs), soft rubber rain boots, worn sneaker soles, and toddler feet pressed against the side wall. High coefficient of friction between soft rubber/foam and the stationary metal skirt pulls the pliable shoe downward and inward into the narrowing gap as the step moves past.
Zone 2: Comb Plate Teeth (Top and bottom entry/exit landings) The angled row of stationary metal teeth that mesh into the slots of the moving step cleats to transition riders onto the solid floor. Untied shoelaces, long maxi-skirts, abayas, saris, scarves, drawstrings, flip-flops, and fingers of children who fall down at the landing. Broken or missing comb teeth fail to trip the safety microswitch, drawing fabric, laces, or small fingers beneath the landing plate into the step chain turn-around.
Zone 3: Handrail Inlet Guard (Bottom return entry of the moving rubber handrail) The point at the bottom exterior base of the glass or metal balustrade where the moving black rubber handrail loops back inside the internal housing. Curious toddlers holding onto the underside of the handrail, dropped scarves, or pet leashes wrapped around a wrist. The moving rubber belt pulls small hands through the rubber brush guard into the internal tension rollers if the inlet microswitch fails to trip.
Zone 4: Exterior Balustrade-to-Ceiling Wedge The triangular pinch point on the outside of the moving handrail where an ascending escalator passes close beside an adjacent staircase, mezzanine floor slab, or vertical pillar. Passengers leaning their heads, shoulders, or backpacks out over the moving handrail edge while riding upward. The upward-moving handrail carries the rider's head or torso into the narrowing structural triangle between the balustrade and the concrete floor slab above.

Why soft foam clogs and flexible rubber boots are uniquely vulnerable

Over the past two decades, pediatric trauma centers and elevator/escalator safety regulators worldwide have documented thousands of severe foot entrapments involving soft, pliable ethylene-vinyl acetate (EVA) foam clogs and thin flexible rubber rain boots.

Hard leather dress shoes and firm athletic soles maintain their structural shape when they brush against the stationary steel skirt wall of an escalator. In contrast, soft foam clogs and thin rubber boots combine two dangerous physical properties: an exceptionally high coefficient of sliding friction against steel (creating grab rather than slip) and low compressive stiffness. When a child stands at the far edge of a step and brushes the toe or side of a foam clog against the stationary side skirt, friction drags the soft foam backward and downward, stretching and rolling the thin rubber like dough into a gap only 3 to 4 millimeters wide. Because the foam compresses easily, it bypasses the skirt deflection safety switches until the child's toes are pinned deep between the descending step riser and the steel wall.

flowchart TD
    Snag["Shoe, Lace, Garment, or Limb Snags in Escalator"] --> Where{"Is the Escalator Still Moving?"}
    Where -->|"Yes (Approaching Comb Plate)"| Button["1. Scream HIT THE RED STOP BUTTON at Top/Bottom Landing"]
    Button --> Shed["2. Immediately Pull Bare Foot Out of Shoe or Rip/Cut Trapped Garment"]
    Shed --> Clear["3. Step Over the Comb Plate Onto Solid Landing Floor"]
    Where -->|"Stopped With Limb Pinned Inside Gap"| Freeze["1. Engage Red Stop Button Fully and Post Guard so Nobody Resets It"]
    Freeze --> NoPull["2. DO NOT Pull Limb Forcefully or Try to Pry Steps With Crowbars"]
    NoPull --> Call["3. Call Emergency Services (911 / 112 / 999) for Fire Heavy Rescue + EMS"]
    Call --> Support["4. Support Trapped Limb Weight, Control Bleeding With Direct Pressure, and Calm Casualty"]
    Clear --> CheckInjury{"Any Bleeding, Deformity, or Crush Pain?"}
    CheckInjury -->|"Hongu"| Support
    CheckInjury -->|"Kwete (Yakabatwa Shangu Chete)"| Notify["Siya Yakabatwa Shangu muMuchina uye Zivisa Kuvaka Chengetedzo / Injiniya"]

Nzvimbo chaidzo dzeRed Emergency Stop Button

Mune emergency escalator, vanomira vanorasikirwa nemasekondi akakosha vachitarisa kumadziro kana sirin'i kune control panel nekuti havazive painoda kuti emergency stop switch iiswe. Pasi peNorth America (ASME A17.1 / CSA B44) uye European/International (EN 115) macode ekuchengetedza, escalator yega yega uye nzira inofamba ine anokwana mabhatani maviri ebhuku Emergency Stop, rimwe kumusoro kumhara uye rimwe pazasi kumhara:

  1. Lower Balustrade Newel Base (Yakanyanyozivikanwa): Tarisa kumagumo akakomberedzwa emadziro erutsigiro (itsva) chaipo paunotsika kana kubva painokwira, kazhinji ku**kurudyi kudivi rakatarisana nematanho **, ingangoita 15 kusvika 45 masendimita (6 kusvika 18 inches) pamusoro peuriri (yakatenderedza ruoko pazasi pechidzitiro).
  2. Upper Inner Deck Moulding: Pazvizhinji zvekutengesa zvekutengesa uye zvikwiriso zvepanhandare yendege, bhatani dzvuku rekusundidzira rinodzoserwa mukati meiyo angled stainless-steel deck trim pazasi peinofamba handrail curve pahupamhi hwechiuno (inoda kusvika 90 centimita / 36 inches kubva pasi) pakudzika kwese.
  3. External Traffic Bollard or Post: In modern subway, metro, and high-traffic rail stations, an additional red mushroom-head stop button is often mounted on a silver post 1 to 2 meters (3 to 6.5 feet) in front of the landing entry.
  4. Clear Flip-Cover Guard: Many buttons are covered by a clear plastic hinged cover labeled "EMERGENCY STOP: LIFT COVER AND PUSH BUTTON". Lifting the plastic cover often sounds a local piezo buzzer to deter pranks; do not hesitate when lifting the cover makes a loud beep. Lift the plastic flap and push the red button firmly inward until the staircase brakes to a complete stop.

When NOT to push the Emergency Stop button

Never press an escalator's Emergency Stop button if a passenger has simply tripped or lost their balance in the middle of the staircase without any part of their body, clothing, or footwear being pinched inside the mechanism. Suddenly braking a crowded escalator throws dozens of standing passengers forward down the sharp aluminum step edges, causing secondary head trauma, hip fractures, and pile-ups. Only hit the stop button for an active or imminent mechanical entrapment, a person tumbling repeatedly at the bottom landing pile-up zone, or a structural step collapse.

Step-by-step response during an active entrapment

Phase 1: Freeing snagged clothing, shoelaces, or luggage before the landing

If your shoelace, drawstring, long coat, or skirt gets sucked into the comb plate or between two steps while the escalator is moving:

  • Never bend down with your hands near the moving comb plate to untie a knot: Putting your fingers down next to a taut shoelace being wound into the step chain will pull your fingers directly under the comb teeth in a fraction of a second.
  • Slip your foot out of the shoe immediately: Press the heel of your other shoe against the back of the snagged shoe and pull your stocking foot straight up and out. Leave the shoe to be chewed up by the comb plate, which will usually jam the comb plate impact switch and stop the escalator automatically.
  • Tear or cut trapped fabric: If a scarf, long dress, or backpack strap is caught and pulling you down toward the steps, unbutton, unzip, or slip out of the garment or pack straps immediately, or use a pocket knife or trauma shears to slice the fabric cleanly away from your body.

Phase 2: Stabilizing a pinned casualty once the escalator has stopped

If a child's foot, hand, or a rider's leg is already wedged inside the step-to-skirt gap or beneath the comb plate when the machine comes to a halt:

  1. Ipa mumwe anoona kuti achengete bhatani rekumira: Ita kuti munhu mukuru akazvipira amire akananga pakadzvanya bhatani reEmergency Stop pakumhara kuitira kuti mupfuuri asina ruzivo kana mushandi wemuchitoro arege kudhonzera bhatani panze kana kubatidza kiyi kuti atangezve escalator munhu wacho achiri parumananzombe.
  2. Usarega vanomira vachipeta nhanho nemacrowbars: Matanho anokwidza anokandwa kubva kune imwe-chidimbu die-cast aruminiyamu alloy yakabhaurirwa pamacheni anorema anomonereka pasi pekunetseka kwakanyanya. Kuedza kupenengura pakati penhanho uye siketi yepadivi negunguru rekuchengetedza pasina kusunungura nhanho kana kusunungura siketi bracing kazhinji inobvuta brittle cast-aluminum nhanho inocheka kuita zvidimbu zvinopinza kana kuita kuti nhanho idzoke kudzoka pabhonzo rakapwanyika.
  3. Tsigirai uremu hwemuviri wemunhu akuvara: Kana tsoka yemwana yakapinirwa pakona payakarerekera, gara pachitsiko chiri pazasi pavo wobata muhudyu nemuviri wake kuitira kuti uremu hwemuviri wake hurege kudhonzera pasi pachitsiko chakabatwa.
  4. Keep the casualty calm to prevent thrashing: Pain and terror cause trapped children to yank and twist their leg, turning a simple soft-tissue pinch into an open fracture or severe degloving tear. Speak calmly, block their visual view of the mangled shoe or wound using a jacket or scarf, and hold their knee steady until firefighters arrive.

Chikamu chechitatu: Maitirwo evanodzima moto uye matekiniki ezvikwiriso vanoita kuburitsa

When Fire and Rescue heavy technical squads arrive on scene, they follow a specific mechanical disassembly protocol:

  • Main Disconnect Lockout/Tagout (LOTO): Firefighters or building engineers open the upper floor access hatch over the drive truss and lock off the main three-phase electrical breaker so the drive motor cannot energize.
  • Kudzivirira Step-Chain Rollback: Vasati vasunungura chero nhanho, vanunuri vanoongorora kuti mechaniki brake uye yekubatsira pawl lock zvakabatanidzwa, kana wedge matanda ari pakati penhanho cheni uye truss furemu kuitira kuti huremu hwevatyairi kana nhanho dzepakudzika dzisakonzerese kuti staircase idzoke kumashure zvishoma sezvo kumanikidzwa kunoburitswa.
  • Hydraulic Spreading or Step Removal: Using compact hydraulic spreaders (Jaws of Life), pneumatic high-pressure lifting airbags placed between the step body and the opposite side skirt, or T-handle Allen wrenches to unbolt the individual aluminum step tread from its carrier axle, rescuers widen the 4-millimeter skirt gap to 50 millimeters (2 inches), allowing the trapped foot (still inside the remnant of the shoe) to be lifted straight out without secondary shearing.

First aid for escalator trauma: degloving, amputations, and severe lacerations

Escalator accidents produce three severe trauma patterns caused by the grooved aluminum step risers and the serrated comb plate teeth: deep parallel rake lacerations, soft-tissue degloving, and digital (toe or finger) amputations.

flowchart TD
    Free["Casualty Freed From Escalator Mechanism"] --> Assess["Check Airway, Breathing, and Arterial Bleeding Immediately"]
    Assess --> Bleed{"Type of Trauma Present?"}
    Bleed -->|"Severe Arterial/Venous Bleeding"| Direct["Apply Firm Direct Pressure With Clean Gauze; Apply Tourniquet High on Limb if Life-Threatening Bleed Persists"]
    Bleed -->|"Avulsed Skin Flap (Degloving Injury)"| Flap["DO NOT Cut or Peel Back Loose Skin Flap; Gently Lay Flap Back in Natural Position and Cover With Moist Sterile Dressing"]
    Bleed -->|"Complete Toe or Finger Amputation"| Amp["1. Wrap Stump Snugly With Sterile Gauze and Elevate Slightly"]
    Amp --> Part["2. Recover Amputated Digit (Leave Shoe/Debris Check to Firefighters if Deep in Truss)"]
    Part --> Cool["3. Wrap Digit in Damp Sterile Gauze, Seal in Dry Plastic Bag, and Place Bag ON Ice/Water Slurry (Never Direct Ice Contact)"]
    Direct --> Shock["Chengetedza Murwere Pafurati, Fukidza Nejasi/Blanket kudzivirira Kuvhunduka, uye Kutsemura Magumbo"]
    Flap --> Shock
    Cool --> Shock

1. Kudzora kubuda ropa kwakanyanya kubva serrated step lacerations

Micheto yakapinza ye90-degree escalator inotsika inoita semagireta echizi kana munhu adonha pasi nemasitepisi anofamba, kazhinji achicheka matinji akadzika anoenderana nepakati pezvidya, mabvi, maoko, uye mumusoro.

  • Dzvanya pedhi gobvu regezi rakachena kana hembe yedonje rakachena rakapetwa pamusoro peronda rinobuda ropa uchishandisa maoko ese. Ona gwara redu pa kubuda ropa kwakanyanya kune yakazara hemorrhage protocol.
  • Nekuti maescalator grooves akaputirwa negiresi remaindasitiri, guruva kabhoni, uye tsvina yemumugwagwa, usaedze kukwesha girisi kubva mumaronda akadzika akavhurika panzvimbo; tarisa zvakanyanya pakumisa kurasikirwa kweropa uye kurega kuchipatara vanovhiya vanovhiya kudiridza uye kusvibisa tishu pasi peanesthesia.
  • Kana tsinga huru iri mugumbo rezasi kana paruoko yakadimburwa uye ikaramba ichiyerera ropa dzvuku rakajeka kuburikidza nemapfekero akananga, shandisa windlass tourniquet yekutengeserana 5 kusvika 8 centimita (2 kusvika 3 inches) pamusoro peronda (usambofa wakananga pamusoro pemabvi kana mubatanidzwa wegokora) uye nyora nguva chaiyo yekushandisa pamunhu anenge akuvadzwa.

2. Kugadzirisa kukuvara kwedegloving (ganda uye subcutaneous tissue avulsion)

Kana bhutsu yerabha kana tsoka isina tsoka ikakweverwa pakati penhanho inofamba uye siketi yakamira, simba rekugera rinowanzobvisa ganda nemafuta ari pasi kubva pakadzika mhasuru fascia nemarunda, sekubvisa girovhosi yakasimba.

  • Chengetedza mamirimita ese eganda rakanamirwa: Kana mbambo yeganda yakasvuurwa asi ichiri kubatanidzwa nezambuko rematishu (pedicle), usamboicheka kana kupeta neshure. Gadzirisa zvinyoro nyoro mbambo yeganda kumashure pamusoro pemubhedha wetishu yakasvibirira mune yakajairika anatomical alignment kuitira kuti tsinga dzeropa mu pedicle dzirege kubatwa.
  • Fukidza negeu rakanyoroveswa rakanyorova: Isa gauze yakanyoroveswa nesaline (kana kuchenesa isina-tsvimbo yakanyoroveswa nemvura yekunwa yemubhodhoro yakachena) zvinyoro nyoro pamusoro penzvimbo yakavharwa, ichiteverwa nekupetera kwekunze kwakaoma kudzivirira kutonhora kwemvura uye kuparara kwematishu.
  • ** Isa kufambisa uye ramba usina kwawakarerekera **: Kana tsoka kana gumbo rakatsikirirwa mukati memushini kweanopfuura maminetsi gumi nemashanu, skrini ye kupwanya kukuvara uye compartment syndrome uye chengeta nhengo yakatsigirwa pachiyero chemoyo.

3. Kuchengetedza zvigunwe zvakagurwa kana zvigunwe zve microsurgical replantation

Kana zvigunwe kana zvigunwe zvakagerwa zvachose necomb plate:

  1. Tanga warapa murwere, chikamu chakadimburwa chechipiri: Pfekedza chigutsa chiri kubuda nemucheka wakakura usina utachiona uye wakasimba wakananga kudzvinyirirwa.
  2. Usafe wakasvika ruoko rwako mukati me escalator comb plate kuti utore digit yakadimburwa: Udza vadzimi vemoto vari kusvika kuti digit iri mukati medanho rekudzoka kuitira kuti vakwanise kuvhura ndiro yekutarisa pasi zvisina njodzi mushure mekuvhara magetsi.
  3. **Tevedza nzira nhatu dzekuchengetedza chando chekuchengetedza **:
    • Shamba zvinyoro nyoro tsvina yakashata kubva pachikamu chakadimburwa nesaline isina utachiona kana mvura yemubhodhoro yakachena (usamboikwesha kana kushandisa sipo inouraya utachiona kana doro).
    • Putira digit muchidimbu chegauze isina mbereko yakanyoroveswa nesaline kana mvura yakachena.
    • Nama nhamba yakaputirwa mukati mebhegi repurasitiki rakachena, rakaoma, risina mvura.
    • Isa bhegi repurasitiki rakavharwa mukati memudziyo wechipiri kana bhegi rakazadzwa nemusanganiswa we ** yakapwanyika ice nemvura **. ** Usambofa wakaisa chigunwe chakadimburwa kana chigunwe chakananga paaizi isina chinhu kana chando chakaoma **, sezvo kutonhora kwakananga kunoparadza microvascular cell madziro uye kunoita kuti kuvhiya kusungirwezve kusakwanisika.

Ngozi ine njodzi yekudonha kwenhanho yekukwira uye gomba retruss rinodonha

Nepo zvisingawanzo kuenzaniswa nekupinzwa kweshangu, kutadza kwenhanho uye yekuongorora pasi pendiro inodonha inomiririra kirasi inouraya ye tsaona dze escalator. Pasi pemutsetse wakatetepa wematanho ealuminium inofamba pane yakadzika, cavernous simbi yekugezera (truss) ine main drive motor, bull gears, step return cheni, uye mashaft anotenderera kumusoro nekuzasi kunomhara.

  • Zviratidzo zveyambiro yejamu yenhanho-nhanho ("inotiza" kana nhanho dzinomonereka): Kana ukanzwa simbi ine ruzha ichikuya, rhythmic banging, kana screeching ichibva pamasitepisi, kana kuona nhanho inorerekera kumusoro kumucheto sezvainoda kumhara, usatsike panokwirirwa nhanho. Kana iwe watova pamasitepisi apo matanho anotanga kukwidibira uye achiturikidzana pakumhara sekokodhiyoni, tora maoko ese ari maviri nekukurumidza, dhonza tsoka dzako kumusoro padhishi repurasitiki / resimbi padivi pematanho kana akamanikana zvakakwana, kana vharanda pamusoro peyakaderera siderail painomira yakagadziriswa masitepisi kana akaiswa zvakachengetedzeka padivi peimwe.
  • Usafe wakatsika pamusoro peyero yegadziriso barricade pane yakamira escalator: Kana vanamakanika vachibvisa matanho maviri kana matatu ealuminium kusevhisa chikwidzo, gomba rakatwasuka rinoita 1.5-mita (5-fiti) rinovhura rakananga mugomba resimbi riri pazasi. Zvakatonyanya kuipa, kana main drive brake ikaburitswa nemishini kuti ishandiswe, escalator yakamira inobatwa chete nekupokana. Kana boka revafambi rikafuratira chivhariso vofamba vachikwira masitepisi akamira kuti vashandise semasitepisi enguva dzose, huremu hwavo hwakabatana hunodzika huremu hunogona kukunda kukweshana uye kuita kuti masitepisi ese esimbi akurumidze kudzika nekukasira kumashure (kudzokera kumashure), vachirasa vanhu vazhinji mugomba rakavhurika rekugadzirisa.

Kudzivirira: 6 yakakwirira-impact escalator kuchengetedza mitemo yemhuri

Kudzivirira escalator uye kufambisa kukuvara kwenzira kunoda tsika dzakasimba pese paunokwira nevana, mikwende, kana zvekufambisa:

  • Mira mukati memitsetse yeyero yeperimeter: Matanho emazuva ano escalator ane purasitiki yero yero kana pendi yemiganhu yakatenderedza mipendero ina yese nhanho. Dzidzisa vana kugara vachidyara tsoka mbiri dzakasimba pakati pechitsiko mukati mebhokisi reyero, vachichengeta shangu dzerabha dzakapfava nemavharosi angangoita masendimita mashanu (2 inches) kubva pamadziro esiketi yepadivi.
  • Usambofa wakatora zvidhori zvevana, zvitunha, mawiricheya, kana ngoro dzekutakura dzemavhiri mana uchiisa pachikwiriso: Mufambisi ari pachikwiriso chine makona anomisa mavhiri ekumashure pachinhanho chimwe chete chinofamba uku mavhiri emberi akarembera pakati pemhepo kana kuti anozorora pakona padanho riri pamusoro. Manhanho paanongodzika kumusoro kana kuzasi kunomhara, mufambisi anonongedzera kumashure kana kukanda mwana kumeso-kutanga pasi pematsika matete aruminiyamu, kana kuti mavhiri madiki emberi anojamirika akananga mumitsetse yecomb plate. Nguva dzose tora elevator paunenge uchisunda stroller, wiricheya, kana chingoro chinotakura zvinhu chinorema.
  • Usambobvumira mhuka dzinovaraidza kufamba dzakananga pamatanho ezvikwiriso: Mapaw embwa, zvigunwe zvemutsoka, uye makushe hazvina kusimba chete dziviriro uye zvinokweverwa zvakananga mukati me3-millimeter yemazino eplate yecomb panomhara, zvichikonzera kudimburwa kwemakumbo akawanda kunotyisa. Gara wakatakura imbwa diki mumaoko ako pane escalator, kana kutora masitepisi kana lifti ine imbwa dzepakati nepakati.
  • Bata maoko evana uvaite kuti vatsike (kwete kutsvedza vachiyambuka) ndiro yecomb: Usambofa wakarega vana vadiki vagara pasi pamasitepisi ezvikwiriso, vachitamba pedyo nebhurasho repahandrail, kana kuti "ski" shangu dzavo dzerabha kubva pandiro yekupedzisira yecomb. Vadzidzisei kusimudza tsoka yavo kumusoro uye kutsika zvachose pamusoro pemazino emizinga esimbi pauriri hwakasimba.
  • ** Unganidza hembe refu utarise tambo dzebhutsu usati wakwira**: Usati watsika panomhara, tarisa pasi kuti uone kuti tambo dzebhutsu dziri mbiri dzakaiswa mafundo maviri uye simudza mupendero wechero pasi-refu maxi-dress, abaya, sari, bhachi, kana sikavha ingangoita masendimita gumi (4 inches) pamusoro peshangu dzako.
  • ** Ramba uchienda kumberi nekukasira pakubuda pakumhara **: Usambofa wakamira pakubuda kweescalator kana airport uchifamba nzira yekutarisa foni yako kana kutsvaga zviratidzo zvegedhi. Muchina uyu unoramba uchiendesa 90 kusvika 120 vafambi paminiti zvakananga kumashure kwako; kumira pandiro yemuzinga kunokonzeresa kuti munhu aite murwi wetani mumazino esimbi anofamba.

Tora kosi yerubatsiro rwekutanga

Kutora maoko-parubatsiro rwekutanga uye kushungurudza kubuda ropa kosi (yakadai seStop the Bleed, Red Cross First Aid, kana St John Ambulance kudzidziswa) inokupa iwe ushingi hunoshanda hwekushandisa kumanikidza kwakananga, kubata kudimburwa, uye kushandisa tourniquet kana masekonzi achiverenga.

Mibvunzo inowanzo bvunzwa

Where is the emergency stop button located on an escalator?

Every code-compliant escalator and moving walkway has at least two bright red Emergency Stop buttons, one at the top landing and one at the bottom landing. Look at the curved end of the balustrade wall (typically on the right-hand side as you face the steps), either 15 to 45 centimeters (6 to 18 inches) above the floor at ankle-to-knee height or recessed into the stainless-steel inner deck trim right under the curved nose of the moving handrail. If a clear plastic cover is over the button, lift the cover (ignore any local warning beep) and press the red button firmly until the stairs stop.

Why are soft foam clogs (like Crocs) and flexible rubber rain boots so easily trapped in escalators?

Unlike hard leather or firm athletic shoes that slide smoothly if they brush against the escalator's stationary side wall, soft EVA foam clogs and thin rubber boots have both a very high coefficient of friction against metal and high compressibility. If a rider stands too close to the side edge of a step and their foam clog rubs against the stationary side skirt, friction grabs the soft foam and pulls the flexible toe of the shoe downward into the 3-to-4-millimeter gap between the moving step and the wall.

What should I do if my shoelace or shoe gets stuck in an escalator while it is still moving?

Do not bend down to try to untie a knotted shoelace with your fingers while the step is moving toward the landing, as your hand can be pulled into the comb plate teeth in a split second. Instead, shout for someone at the landing to hit the red Emergency Stop button and immediately pull your bare or stocking foot straight out of the shoe before the step reaches the top or bottom comb plate. Leaving the shoe behind allows the empty shoe to hit the comb plate impact switch and trip the brake while keeping your foot safe.

Is it safe to take a baby stroller or pushchair on an escalator if an adult holds it tightly?

No, taking a stroller or pushchair onto an escalator is extremely dangerous and is prohibited by transit and building safety codes worldwide. Because escalator steps are only 40 centimeters (16 inches) deep, a stroller's wheelbase spans multiple steps at an unstable tilt, and when the steps flatten out at the top or bottom landing, the small front wheels frequently jam into the comb plate slots or the stroller tips backward down the sharp aluminum treads. Always use an elevator when traveling with a stroller, wheelchair, or rolling cart.

Can I walk down or up a stopped escalator like a regular staircase if it has a maintenance barrier in front of it?

Never cross a yellow maintenance barrier or safety cone onto a stopped escalator. When technicians service an escalator, they often unbolt and remove several aluminum steps, leaving an open 1.5-meter (5-foot) drop straight into the steel drive chains and gears below, or they release the main mechanical brake. Even if all steps look intact, walking onto a stopped escalator with a released brake can cause the heavy step chain to suddenly roll backward under the weight of the crowd like a runaway treadmill.

How should I care for an amputated toe or finger after an escalator accident?

First, control bleeding on the injured foot or hand with firm direct pressure using sterile gauze. Once firefighters safely recover the amputated digit from the escalator, gently rinse away loose dirt with sterile saline or clean bottled water without scrubbing, wrap the digit in damp sterile gauze, seal it inside a dry watertight plastic bag, and place that sealed bag on top of a mixture of crushed ice and water. Never put an amputated finger or toe directly onto bare ice, as frostbite destroys the tiny blood vessels needed for surgical reattachment.

Kwatariswa

  • American Society of Mechanical Engineers (ASME, United States): ASME A17.1 / CSA B44 Safety Code for Elevators and Escalators: Step-to-Skirt Clearance Index, Comb Plate Impact Switches, uye Emergency Stop Button Placement.
  • European Committee for Standardization (CEN, European Union): * EN 115-1 Kuchengetedzwa kweEscalator uye Kufamba Kufamba: Kuvaka uye Kuisa Mitemo *.
  • U.S. Consumer Product Safety Commission (CPSC, United States): Public Safety Alerts paEscalator Entrapment Hazards Inosanganisira Soft Resin/Foam Footwear, Loose Nguo, uye Strollers.
  • Elevator Escalator Safety Foundation (EESF, United States neCanada): Safe-T-Rider Passenger Escalator uye Moving Walkway Accident Prevention Guidelines.
  • National Fire Protection Association (NFPA, United States): NFPA 1006 / 1670 Standard for Technical Rescuer Professional Qualifications: Michina uye Escalator Entrapment Extrication.
  • American Academy of Pediatrics (AAP, United States): * Pediatric Escalator-Inoenderana Netsoka uye Extremity Trauma Clinical Management uye Prevention *.

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