CN202321929U

CN202321929U - Handrail strap drop detection device of escalator or moving pavement

Info

Publication number: CN202321929U
Application number: CN2011204811182U
Authority: CN
Inventors: 陈远峰; 阮建华; 高静丹; 张超
Original assignee: SJEC Corp
Current assignee: SJEC Corp
Priority date: 2011-11-28
Filing date: 2011-11-28
Publication date: 2012-07-11
Anticipated expiration: 2021-11-28

Abstract

The utility model discloses a handrail strap drop detection device of an escalator or a moving pavement. The handrail strap drop detection device comprises arc-shaped handrail guide rails arranged at lower circular arcs and handrail straps with normal states and drop states, wherein each of the handrail guide rails comprises an arc-shaped bottom part and two side parts extended outwards from the left and right sides of the bottom part; and an outwardly opened mounting space is formed between the bottom part and each of the two side parts. The handrail strap drop detection device also comprises a roller wheel assembly capable of being located in the mounting space, a lever which is rotationally arranged on each of the handrail guide rail and is located in a safety space, an elastic part which is arranged between the lever and each of the handrail guide rails and is capable of providing an elastic restoring force for the lever, and a safety switch which is fixedly arranged and is capable of being triggered to send a signal for stopping running of the escalator or the moving pavement. Once the handrail straps drop from the handrail guide rails, the lever rotates to trigger the safety switch, the safety switch sends a stop signal, and the escalator or the moving pavement is timely stopped and repaired, so that the injury of the passengers and the damage of the handrail straps are avoided.

Description

The detection handrail releasing unit of escalator or moving sidewalk

Technical field

the utility model relates to the detection handrail releasing unit of escalator or moving sidewalk.

Background technology

are on escalator or moving sidewalk; Handrail centers on Armrest guide rail, through the motion of Armrest guide rail guiding handrail, but in the handrail motion process; The handrail strap tensioning power at following circular arc place is not enough; Cause handrail to split away off from the following Armrest guide rail of circular arc, if this moment escalator or moving sidewalk still continue operation, can cause the damage of handrail and the passenger is worked the mischief.

Summary of the invention

The purpose of the utility model provides and detects the device that handrail comes off on escalator or the moving sidewalk, in case handrail splits away off like this, then escalator or moving sidewalk can be in time out of service, on-call maintenance.

are for achieving the above object; The technical scheme that the utility model adopts is: the detection handrail releasing unit of escalator or moving sidewalk; Comprise following circular arc place the curved handrail guide rail, have normal condition and the handrail of the state that comes off; Said Armrest guide rail comprises the bottom of arc, the both sides that extend outward from the left and right sides of said bottom; Form the installing space that opens wide between said bottom and the said both sides outwardly; When said handrail was in normal condition, this handrail covered the uncovered of said installing space, and the left and right sides portion of this handrail states the both sides of Armrest guide rail from the outer surrounding residence of said Armrest guide rail; Be in when coming off state at said handrail; This handrail splits away off from said Armrest guide rail; Said detection handrail releasing unit also comprises can be at the roll wheel assembly in the said installing space, be arranged on the said Armrest guide rail rotationally and the lever in said survival space, be arranged on elastic component that this lever elastic-restoring force can be provided between said lever and the said Armrest guide rail, fixedly install and can after being touched, send the safety switch that stops said escalator or moving sidewalk run signal; The rotational axis line of said lever extends along the left and right directions of said Armrest guide rail; Said roll wheel assembly comprises the roller shaft that is arranged on the said lever and extends along the left and right directions of said Armrest guide rail, is installed in the roller on the said roller shaft; When said handrail is in normal condition; This handrail covers inside face and the said roller mutually rollably contact of said installing space on uncovered, and said lever keeps separating with said safety switch; Be in when coming off state at said handrail, this handrail and said roller are separated, and said lever touches said safety switch under the elastic-restoring force effect of said elastic component.

preferably; Said safety switch is fixedly installed on the armrest support that supports said Armrest guide rail; The bottom of said Armrest guide rail offers perforation; Said armrest support with the corresponding position of said perforation on also offer perforation, the contact that can be touched by said lever on the said safety switch get in the said installing space through the perforation of said Armrest guide rail and said armrest support.

preferably, said elastic component adopts torsion spring, this torsion spring set is located on the turning cylinder of said lever, an end of this torsion spring is fixed on the said lever, the other end is fixed on the said Armrest guide rail.

are because the utilization of technique scheme; The utility model compared with prior art has advantage: when the handrail at circular arc place normally moves on Armrest guide rail down; This moment, handrail was in normal condition, this handrail and roller rollably contact mutually, and handrail relies on deadweight to be pressed on the roller; Roller and roller shaft are stressed; Make elastic component bear elastic resistance through lever, this moment, lever kept separating with safety switch, thereby guaranteed the normal operation of escalator or moving sidewalk; In case handrail splits away off from Armrest guide rail, this moment, handrail was in the state of coming off, and this handrail and roller are separated; Roller has broken away from the compressing of handrail, and under the elastic-restoring force effect of elastic component, roller shaft by the lever band and roller is upspring; The lever shake-up safety switch that rotates sends signal out of service, and escalator or moving sidewalk are in time out of service; Be able to maintenance, avoid the damage that injures the passenger and cause handrail.

Description of drawings

Accompanying drawing 1 is the front view of the utility model;

Accompanying drawing 2 is the cutaway view of accompanying drawing 1 along the A-A direction;

accompanying drawing 3 is the cutaway view of accompanying drawing 1 along the B-B direction.

The specific embodiment

The structure of the utility model is further set forth in below in conjunction with accompanying drawing.

are referring to shown in Fig. 1-3; Detect the handrail releasing unit on escalator or the moving sidewalk; Comprise following circular arc place curved handrail guide rail 1, have normal condition and the handrail of the state that comes off 4, roll wheel assembly 6, lever 10, elastic component 12, safety switch 15 because handrail 4 expanding forces at circular arc place are not enough down, split away off from the Armrest guide rail 1 of circular arc down the most easily; So be provided with detection handrail releasing unit at following circular arc place; The both sides 3 that wherein Armrest guide rail 1 of arc comprises the bottom 2 of arc, 2 the left and right sides extends outward from the bottom form the installing space 9 that opens wide outwardly, when handrail 4 is in normal condition between bottom 2 and the both sides 3; Normally move corresponding to escalator or moving sidewalk this moment; This handrail 4 covers the uncovered 17 of installing space 9, and the left and right sides portion of this handrail 4 lives the both sides of Armrest guide rail 1 from the outer surrounding of Armrest guide rail 1, and is as shown in Figure 2; The cross-sectional plane of handrail 4 is c-shaped; The left side 3 of Armrest guide rail 1, right side 3 be respectively towards a left side, outstanding pick up the ears 5 towards right being bent to form, the left and right sides portion of C shape handrail 4 around and encase Armrest guide rail 1 about pick up the ears 5, realize moving of Armrest guide rail 1 guiding handrail 4.Roll wheel assembly 6 is positioned at Armrest guide rail 1; Promptly be arranged in installing space 9; Roll wheel assembly 6 comprises along the roller shaft 8 of the left and right directions extension of Armrest guide rail 1, is installed in the roller 7 on the roller shaft 8, and roller shaft 8 is fixedly installed on the end of lever 10, and is as shown in Figure 1.In Fig. 2, a roller 7 is equipped with at the two ends of roller shaft 8 respectively, and roller 7 carries out axial limiting through jump ring, guarantees roller 7 stable rotation on roller shaft 8.Lever 10 is arranged on the Armrest guide rail 1 rotationally; The rotational axis line of lever 10 extends along the left and right directions of Armrest guide rail 1; As shown in Figure 3; The two ends of the turning cylinder 11 of lever 10 are contained on the both sides 3 of Armrest guide rail 1, realize the rotation up and down of lever 10, and lever 10 is arranged in the survival space 9 of Armrest guide rail 1.Elastic component 12 is arranged between lever 10 and the Armrest guide rail 1; Be used to provide lever 10 elastic-restoring forces, elastic component 12 adopts torsion spring, and torsion spring set is located on the turning cylinder 11 of lever 10; One end of this torsion spring is fixed on the lever 10; The other end is fixed on the Armrest guide rail 1, and the elastic-restoring force through elastic component 12 can activation lever 10 rotate like this, makes lever 10 can strike safety switch 15.Safety switch 15 fixedly installs; Switch 15 be not touched; When not struck in other words, be the normal operation that can not influence escalator or moving sidewalk, in case but after switch 15 is touched; Can send signal out of service and give the switch of escalator or moving sidewalk, escalator or moving sidewalk are out of service.When the handrail 4 at circular arc place normally moves on Armrest guide rail 1 down; This moment, handrail 4 was in normal condition, and this handrail 4 covers the inside face and roller 7 rollably contact mutually on the installing space uncovered 17, and promptly handrail 4 relies on deadweight to be pressed on the roller 7; Roller 7 is stressed with roller shaft 8; Make lever 10 compression elastic pieces 12, the deadweight of handrail 4 overcomes the elastic resistance of elastic component 12, makes lever 10 keep separating with safety switch 15; Switch 15 can be touched, thereby guarantees the normal operation of escalator or moving sidewalk; In case handrail 4 splits away off from Armrest guide rail 1, this moment, handrail 4 was in the state of coming off, and this handrail 4 is separated with roller 7; Roller 7 has broken away from the compressing of handrail 4, and under the elastic-restoring force effect of elastic component 12, an end band of lever 10 roller shaft 8 and upspring with roller 7; Stretch out uncovered 17 of installing space 9; Then the other end whereabouts touch switch 15 of lever 10 sends signal out of service, and escalator or moving sidewalk are in time out of service; Be able to maintenance, avoid the damage that injures the passenger and cause handrail.

are because the installing space 9 of Armrest guide rail 1 is narrow and small; Be difficult to hold safety switch 15 under the normal circumstances; So in Fig. 1; Safety switch 15 is fixedly installed on through support 14 on the armrest support 13 of supporting armrests guide rail 1, and the bottom 2 of Armrest guide rail 1 offers perforation, armrest support 13 with the corresponding position of the perforation of Armrest guide rail 1 on also offer perforation; The perforation that can be passed through Armrest guide rail 1 and armrest support 13 on the safety switch 15 by the contact 16 that lever 10 touches gets in the installing space 9; In case handrail 4 comes off like this, the rotation energy of lever 10 under elastic component 12 drives clashes into the contact 16 of safety switch 15 smoothly, in time stops the operation of escalator or moving sidewalk.

to sum up, this detects handrail releasing unit, when detecting handrail 4 and come off, in time makes escalator and moving sidewalk out of service, this apparatus structure is simple, and is easy to use and reliable, played the effect of safety precaution.

Claims

1. the detection handrail releasing unit of escalator or moving sidewalk; Comprise following circular arc place the curved handrail guide rail, have normal condition and the handrail of the state that comes off; Said Armrest guide rail comprises the bottom of arc, the both sides that extend outward from the left and right sides of said bottom; Form the installing space that opens wide between said bottom and the said both sides outwardly; When said handrail was in normal condition, this handrail covered the uncovered of said installing space, and the left and right sides portion of this handrail states the both sides of Armrest guide rail from the outer surrounding residence of said Armrest guide rail; Be in when coming off state at said handrail; This handrail splits away off from said Armrest guide rail; It is characterized in that: said detection handrail releasing unit also comprises can be at the roll wheel assembly in the said installing space, be arranged on the said Armrest guide rail rotationally and the lever in said survival space, be arranged on elastic component that this lever elastic-restoring force can be provided between said lever and the said Armrest guide rail, fixedly install and can after being touched, send the safety switch that stops said escalator or moving sidewalk run signal; The rotational axis line of said lever extends along the left and right directions of said Armrest guide rail; Said roll wheel assembly comprises the roller shaft that is arranged on the said lever and extends along the left and right directions of said Armrest guide rail, is installed in the roller on the said roller shaft; When said handrail is in normal condition; This handrail covers inside face and the said roller mutually rollably contact of said installing space on uncovered, and said lever keeps separating with said safety switch; Be in when coming off state at said handrail, this handrail and said roller are separated, and said lever touches said safety switch under the elastic-restoring force effect of said elastic component.

2. the detection handrail releasing unit of escalator according to claim 1 or moving sidewalk; It is characterized in that: said safety switch is fixedly installed on the armrest support that supports said Armrest guide rail; The bottom of said Armrest guide rail offers perforation; Said armrest support with the corresponding position of said perforation on also offer perforation, the contact that can be touched by said lever on the said safety switch get in the said installing space through the perforation of said Armrest guide rail and said armrest support.

3. the detection handrail releasing unit of escalator according to claim 1 or moving sidewalk; It is characterized in that: said elastic component adopts torsion spring; This torsion spring set is located on the turning cylinder of said lever; One end of this torsion spring is fixed on the said lever, and the other end is fixed on the said Armrest guide rail.