CN205222419U - Handrail area protector - Google Patents
Handrail area protector Download PDFInfo
- Publication number
- CN205222419U CN205222419U CN201520971112.1U CN201520971112U CN205222419U CN 205222419 U CN205222419 U CN 205222419U CN 201520971112 U CN201520971112 U CN 201520971112U CN 205222419 U CN205222419 U CN 205222419U
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- China
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- handrail
- guide rod
- roller
- protective device
- support
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- Escalators And Moving Walkways (AREA)
Abstract
The utility model discloses a handrail area protector, include: the gyro wheel in handrail area, tensioning handrail area, set up metal parts on the gyro wheel, installation gyro wheel the support, set up the probe that can detect this metal parts on the support, the gyro wheel can rotate ground around self axial to be connected on the support, and the support passes through guide arm up -and -down motion ground to be connected on the staircase part, is connected with the elastic component between guide arm and the staircase part, still be equipped with circular dog on the armrest part spare, be equipped with the recess on the circular dog, still set firmly safety switch on the staircase part, safety switch's contact holds in the recess, be connected with between circular dog and the guide arm and stimulate the rotatory connecting piece of circular dog, circular dog rotatory back groove replace safety switch's contact and trigger safety switch. The utility model discloses a handrail area protector has the automatic tensioning in handrail area, the interference of anti handrail belt sag, the excessively lax protection in handrail area and handrail area and takes A number of functions such as protection, safe and reliable, simple to operate absolutely.
Description
Technical field
The utility model relates to a kind of handrail protective device, especially a kind of can auto-tensioning handrail and the handrail protective device of handrail whether lax and fracture can be detected.
Background technology
Escalator or moving sidewalk are provided with hand strap velocity measurement device to monitor handrail running velocity, in the prior art, hand strap velocity measurement device can be subject to the lax interference of handrail and mistake monitoring stops ladder, installation environment and usage condition exceed to become severe simultaneously, handrail has the danger of broken belt, affect the safety to escalator or moving sidewalk use and passenger, reduce product design.
Summary of the invention
In view of this; the purpose of this utility model is to provide a kind of handrail protective device; at original detection handrail running velocity functionally; add the multiple functions such as handrail auto-tensioning, the lax interference of anti-handrail, handrail overrelaxation protection and armrest belt break protection; accurately can monitor the various situations occurred when handrail runs; promptly and accurately failure judgement, stops ladder protection passenger safety.
In order to achieve the above object, the utility model provides a kind of handrail protective device, it is characterized in that, comprising: the roller of handrail described in handrail, tensioning, the metal parts be arranged on described roller, for install described roller support, the probe that can detect described metal parts is on the bracket set; Described roller can connect on the bracket around self axial rotation, and described support is connected on staircase component up and down by guide rod, is connected with the elastic component making handrail described in described roller tensioning between described guide rod and described staircase component; Described armrest member is also provided with the rounded stops that can rotate at perpendicular, described rounded stops is provided with groove; Described staircase component is also installed with and detects the lax safety switch of handrail, the contact of described safety switch is contained in described groove; Be connected with between described rounded stops and described guide rod and can pull with described guide rod up-and-down movement the attaching parts that described rounded stops rotates; After described rounded stops rotates, described groove is supported the contact of described safety switch and triggers described safety switch.
Preferably, the oval hole extended about described support offering the Width along described handrail, the upper end of described guide rod is fixedly connected with by fastener with described support through behind described oval hole, and described support relatively movably can regulate connection location by described oval hole.By regulating the connection location of support, make pair of rollers handrail to playing directional tagging.
Wherein, described guide rod is thread rod, and described fastener is nut.
Preferably, elastic component is Compress Spring, and it is socketed on described guide rod, and the upper end of described Compress Spring pushes against described staircase component, and its lower end is spacing by the stop nut be threaded with described guide rod.By regulating the amount of compression of Compress Spring, adjust the elastic force of Compress Spring, thus the tensile force of adjustment pair of rollers handrail.
Described roller is non-metal roller, and be preferably nylon roller, its center is provided with antifriction-bearing box, and described antifriction-bearing box is fixedly connected with described support by bearing pin.After roller and handrail push against, there is larger friction force, thus when handrail runs, guarantee roller also synchronous rotary thereupon.The metal parts be arranged on non-metal roller moves in a circle with the rotation of roller, and the probe be arranged on support detects the recurrent pulse of the metal parts moved in a circle thus the running velocity of monitoring handrail.
In one embodiment, described metal parts is metal flathead screw, and it is eccentrically set on the inner side of described non-metal roller.
Wherein, described groove is arc groove, the contact of described safety switch has the roller being adjacent to described arc groove.
When handrail relaxes operation on a small quantity, the elastic-restoring force of elastic component makes guide rod move downward and drives roller auto-tensioning handrail again, the friction force that tensioning handrail produces makes roller normal rotation, the metal parts that probe detects on roller moves in a circle and sends periodic pulse signal, the master control unit of escalator or moving sidewalk accurately monitors the running velocity of handrail according to the situation that probe sends periodic pulse signal, avoid because of handrail on a small quantity lax interference with rollers rotation and miss monitoring and stop ladder.
When handrail overrelaxation runs, the elastic-restoring force of elastic component makes guide rod move downward, by guide rod, the drive mechanism of attaching parts and rounded stops composition drives rounded stops rotation, rounded stops rotates rearward recess and supports the contact of described safety switch and triggering secure switch, handrail can also drive roller to rotate simultaneously, probe still can detect that the metal parts on roller sends periodic pulse signal, the master control unit of escalator or moving sidewalk is according to the action of safety switch, the situation failure judgement that probe sends cyclic pulse signal is handrail overrelaxation, stop ladder protection passenger.
Preferably, described attaching parts is rigid connecting fishplate bar, and one end of described rigid connecting fishplate bar is hinged on described guide rod, and the other end and the straight pin be eccentrically set in described rounded stops are rotationally connected.
More preferably, described straight pin is arranged in the upper semi-circle of described rounded stops, pulls described rounded stops left-hand revolution when described guide rod moves downward by described rigid connecting fishplate bar.
The stroke lower end that the relatively described staircase component of described guide rod moves downward has latched position, and when described guide rod is positioned at latched position, the elongated central line along its length direction of described rigid connecting fishplate bar is through the center of circle of described rounded stops.
During armrest belt break; under the elastic-restoring force effect of elastic component; guide rod moves downward; guide rod drives rounded stops to rotate by attaching parts; rounded stops rotates rearward recess and supports the contact of described safety switch and triggering secure switch; roller does not rotate without the friction drive of handrail simultaneously; probe aperiodicity impulse singla; the master control unit of escalator or moving sidewalk is armrest belt break according to the action of safety switch, the situation failure judgement of probe aperiodicity impulse singla, thus stops ladder protection passenger.When guide rod moves downward latched position, the elongated central line of rigid connecting fishplate bar forms self-locking through the center of circle of rounded stops, and guide rod cannot move downward again, and rounded stops no longer continues to rotate, thus protects handrail protective device.
Because technique scheme is used; the utility model compared with prior art has following advantages: at original detection handrail running velocity functionally; add the multiple functions such as hand rail band guiding, handrail auto-tensioning, the lax interference of anti-handrail, handrail overrelaxation protection and armrest belt break protection; the various situations occurred when accurate monitoring handrail runs; promptly and accurately failure judgement, stops ladder protection passenger safety.
In further improvement of the utility model; attaching parts between guide rod and rounded stops adopts rigid connecting fishplate bar; when making guide rod move downwardly to latched position; the elongated central line of rigid connecting fishplate bar is through the center of circle of described rounded stops; guide rod cannot continue to decline again; handrail protective device forms self-locking, thus protects this device.
Accompanying drawing explanation
Fig. 1 is perspective view of the present utility model.
Cross sectional representation when Fig. 2 is handrail of the present utility model operation.
Fig. 3 is the front view that handrail of the present utility model relaxes when running on a small quantity.
Fig. 4 is the front view that handrail of the present utility model too relaxes when running.
Front view when Fig. 5 is armrest belt break of the present utility model.
In accompanying drawing: 1, handrail; 2, roller; 3, metal parts; 4, antifriction-bearing box; 5, support; 6, pop one's head in; 7, oval hole; 8, guide rod; 9, staircase component; 10, fastener; 11, elastic component; 12, attaching parts; 13, rounded stops; 131, groove; 14, angle steel; 15, straight pin; 16, safety switch.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail.
Refer to Fig. 1, a kind of handrail protective device, comprise: handrail 1, be arranged on the roller 2 for tensioning handrail 1 above handrail 1, be arranged on the metal parts 3 on roller 2, be arranged on the antifriction-bearing box 4 on roller 2, for installing the support 5 of roller 2, be arranged on the probe 6 that can detect metal parts 3 on support 5, the guide rod 8 of connection bracket 5, support the staircase component 9 of this handrail protective device, guide rod 8 is connected to the fastener 10 in the oval hole 7 on support 5, the elastic component 11 of connection bracket 5 and guide rod 8, be arranged on the rounded stops 13 that can rotate at perpendicular on staircase component 9, connect the attaching parts 12 of guide rod 8 and rounded stops 13, rounded stops 13 is fixed on the angle steel 14 on staircase component 9, be fixed on the straight pin 15 on angle steel 14, be installed on staircase component 9 for detecting the lax safety switch 16 of handrail.
Wherein, roller 2 is nylon roller, and roller 2 can be connected on support 5 around self axial rotation by antifriction-bearing box 4 and bearing pin, and support 5 is connected on staircase component 9 up and down by guide rod 8.Elastic component 11 is Compress Spring, and it is set on guide rod 8, and the upper end of Compress Spring pushes against support 5, and lower end is spacing by stop nut.Guide rod 8 is thread rod, the oval hole 7 extended about support 5 offering the Width along handrail 1, the upper end of guide rod 8 is fixedly connected with by fastener 10 with support 5 through behind oval hole 7, and support 5 relatively movably can regulate connection location by oval hole 7.Fastener 10 is wherein nut.By regulating the connection location of support, make pair of rollers handrail to playing directional tagging.Elastic component 11 lower end is spacing by stop nut, by the amount of compression regulating the high and low position of stop nut to adjust elastic component 11, thus the tensile force of adjustment roller 2 pairs of handrails 1.
As shown in Figure 2, when handrail 1 normally works, under the elastic-restoring force effect of elastic component 11, roller 2 is tensioning handrail 1 downwards, have larger friction force after roller 2 and handrail 1 push against, when handrail 1 travels at the uniform speed, roller 2 also synchronously does periodic rotation thereupon.The metal parts 3 be arranged on roller 2 does periodic circular movement with the rotation of roller 2, the probe 6 be arranged on support detects the metal parts 3 moved in a circle, send cyclic pulse signal, the master control unit of escalator or moving sidewalk is according to the running velocity of this cyclic pulse signal monitoring handrail.Wherein, roller 2 is non-metallic component, and metal parts 3 is metal flathead screw, and metal flathead screw is eccentrically set on the inner side of roller 2.Probe 6 only can detect metal parts 3, thus can detect the metal parts 3 doing uniform circular motion when roller 2 at the uniform velocity rotates, then send cyclic pulse signal.
The outer circumference surface of rounded stops 13 is provided with groove 131, and the contact of safety switch 16 is contained in described groove 131.Groove 131 is arc groove, the contact of safety switch 16 has the roller being adjacent to described arc groove 131.The attaching parts 12 that rounded stops 13 can be pulled to rotate with guide rod 8 up-and-down movement is connected with between rounded stops 13 and guide rod 8.Attaching parts 12 is for being rigid connecting fishplate bar, and one end of described rigid connecting fishplate bar is hinged on guide rod 8, and the other end and the straight pin 15 be eccentrically set in rounded stops 13 are rotationally connected.In the present embodiment, straight pin 15 is arranged in the upper semi-circle of rounded stops 13, pulls rounded stops 13 left-hand revolution when guide rod 8 moves downward by described rigid connecting fishplate bar.
As shown in Figure 3, when handrail 1 relaxes operation on a small quantity, the elastic-restoring force of elastic component 11 makes guide rod 8 move downward and drives roller 2 auto-tensioning handrail 1 again, the friction force that tensioning handrail 1 produces makes roller 2 normal rotation, and probe 6 metal parts 3 detected on roller 2 moves in a circle and sends periodic pulse signal.The drive mechanism be made up of guide rod 8, attaching parts 12 and rounded stops 13 drives a bit of distance of rounded stops 13 left-hand revolution, and the contact of safety switch 16 is still in the groove 131 of rounded stops 13, and now safety switch 16 is not triggered.The master control unit of escalator or moving sidewalk accurately monitors the running velocity of handrail 1 according to the situation that probe 6 sends periodic pulse signal, avoid because of handrail 1 on a small quantity lax interference with rollers 2 rotation and miss monitoring and stop ladder.Therefore, handrail protective device of the present utility model have anti-handrail relax interference function.
As shown in Figure 4, when handrail 1 overrelaxation runs, the elastic-restoring force of elastic component 11 makes guide rod 8 move downward, by guide rod 8, the drive mechanism that attaching parts 12 and rounded stops 13 form drives the larger distance of rounded stops 13 left-hand revolution, rounded stops 13 rotates rearward recess 131 and supports the contact of safety switch 16 and triggering secure switch 16, handrail 1 can also drive roller 2 to rotate simultaneously, probe 6 still can detect that the metal parts 3 on roller 2 sends periodic pulse signal, the master control unit of escalator or moving sidewalk is according to the action of safety switch 16, the situation failure judgement that probe 6 sends cyclic pulse signal is handrail overrelaxation, stop ladder protection passenger.As can be seen here, handrail protective device of the present utility model has handrail overrelaxation defencive function.
As shown in Figure 5, when handrail 1 broken belt, under the elastic-restoring force effect of elastic component 11, guide rod 8 moves downward, guide rod 8 drives rounded stops 13 to rotate by attaching parts 12, rounded stops 13 rotates rearward recess 131 and supports the contact of safety switch 16 and triggering secure switch 16, roller 2 does not rotate without the friction drive of handrail 1 simultaneously, to pop one's head in 6 aperiodicity impulse singlas, the master control unit of escalator or moving sidewalk is according to the action of safety switch 16, the situation failure judgement of 6 aperiodicity impulse singlas of popping one's head in is armrest belt break, thus stop ladder protection passenger.So handrail protective device of the present utility model has armrest belt break defencive function.
In the present embodiment; in order to protect this handrail protective device; the guide rod 8 stroke lower end that staircase component 9 moves downward relatively has latched position, and when guide rod 8 is positioned at latched position, the elongated central line of described rigid connecting fishplate bar (i.e. attaching parts 12) is through the center of circle of rounded stops 13.Rounded stops 13 rotates rearward recess 131 and supports the contact of safety switch 16 and triggering secure switch 16.After handrail 1 broken belt; latched position is moved downward at the elastic-restoring force effect lower guide rod 8 of elastic component 11; the elongated central line X along its length direction of rigid connecting fishplate bar forms self-locking through the center of circle of rounded stops 13; guide rod 8 cannot move downward again; rounded stops 13 no longer continues to rotate, thus protects handrail protective device.After adopting such structure, this handrail protective device has possessed self-lock protection function.
Handrail protective device structure of the present utility model is novel; design ingenious; at original detection handrail running velocity functionally; add the multiple functions such as hand rail band guiding, handrail auto-tensioning, the lax interference of anti-handrail, handrail overrelaxation protection, armrest belt break protection and self-lock protection; the various situations occurred when accurate monitoring handrail runs; promptly and accurately failure judgement, stops ladder protection passenger safety.And handrail protective device of the present utility model uses and substantially increases safety performance, widens safety protection range, simultaneously that several functions is on the apparatus integrated, safe and reliable and easy for installation, improve production efficiency.
Above-described embodiment is only for illustrating technical conceive of the present utility model and feature; its object is to person skilled in the art can be understood content of the present utility model and implement according to this; protection domain of the present utility model can not be limited with this; all equivalences done according to the utility model Spirit Essence change or modify, and all should be encompassed within protection domain of the present utility model.
Claims (10)
1. a handrail protective device, it is characterized in that, comprising: the roller (2) of handrail (1) described in handrail (1), tensioning, the metal parts (3) be arranged on described roller (2), for installing the support (5) of described roller (2), the probe (6) that can detect described metal parts (3) be arranged on described support (5); Described roller (2) can be connected on described support (5) around self axial rotation, described support (5) is connected on staircase component (9) by guide rod (8) up and down, is connected with the elastic component (11) making handrail (1) described in described roller (2) tensioning between described guide rod (8) and described staircase component (9); Described staircase component (9) is also provided with the rounded stops (13) that can rotate at perpendicular, described rounded stops (13) is provided with groove (131); Described staircase component (9) is also installed with and detects the lax safety switch (16) of handrail, the contact of described safety switch (16) is contained in described groove (131); The attaching parts (12) that described rounded stops (13) can be pulled to rotate with described guide rod (8) up-and-down movement is connected with between described rounded stops (13) and described guide rod (8); After described rounded stops (13) rotates, described groove (131) is supported the contact of described safety switch (16) and triggers described safety switch (16).
2. handrail protective device according to claim 1, it is characterized in that: the oval hole (7) extended about described support (5) offering the Width along described handrail (1), the upper end of described guide rod (8) is fixedly connected with by fastener (10) with described support (5) afterwards through described oval hole (7), and described support (5) relatively movably can regulate connection location by described oval hole (7).
3. handrail protective device according to claim 2, is characterized in that: described guide rod (8) is thread rod, and described fastener (10) is nut.
4. handrail protective device according to claim 3, it is characterized in that: elastic component (11) is Compress Spring, it is socketed on described guide rod (8), the upper end of described Compress Spring pushes against described staircase component (9), and its lower end is spacing by the stop nut be threaded with described guide rod (8).
5. handrail protective device according to claim 1, is characterized in that: described roller (2) is non-metal roller, and its center is provided with antifriction-bearing box (4), and described antifriction-bearing box (4) is fixedly connected with described support (5) by bearing pin.
6. handrail protective device according to claim 1, is characterized in that: described metal parts (3) is metal flathead screw, and it is eccentrically set on the inner side of described roller (2).
7. handrail protective device according to claim 1, is characterized in that: described groove (131) is arc groove, and the contact of described safety switch (16) has the roller being adjacent to described arc groove.
8. handrail protective device according to claim 1, it is characterized in that: described attaching parts (12) is rigid connecting fishplate bar, one end of described rigid connecting fishplate bar is hinged on described guide rod (8), and the other end and the straight pin (15) be eccentrically set in described rounded stops (13) are rotationally connected.
9. handrail protective device according to claim 8, it is characterized in that: described straight pin (15) is arranged in the upper semi-circle of described rounded stops (13), when described guide rod (8) moves downward, pull described rounded stops (13) left-hand revolution by described rigid connecting fishplate bar.
10. handrail protective device according to claim 9, it is characterized in that: the stroke lower end that the relatively described staircase component (9) of described guide rod (8) moves downward has latched position, when described guide rod (8) is positioned at latched position, the elongated central line of described rigid connecting fishplate bar is through the center of circle of described rounded stops (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520971112.1U CN205222419U (en) | 2015-11-30 | 2015-11-30 | Handrail area protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520971112.1U CN205222419U (en) | 2015-11-30 | 2015-11-30 | Handrail area protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205222419U true CN205222419U (en) | 2016-05-11 |
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ID=55897496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520971112.1U Active CN205222419U (en) | 2015-11-30 | 2015-11-30 | Handrail area protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205222419U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105417336A (en) * | 2015-11-30 | 2016-03-23 | 苏州富士电梯有限公司 | Hand strap protection device |
| CN110177752A (en) * | 2017-03-08 | 2019-08-27 | 三菱电机大楼技术服务株式会社 | The control device and control method of passenger conveyors with the precision confirmation function based on handrail speed detection device |
| US10865074B2 (en) | 2018-09-19 | 2020-12-15 | Otis Elevator Company | Handrail automatically tensioning system and a method for adjusting tension level of handrail |
-
2015
- 2015-11-30 CN CN201520971112.1U patent/CN205222419U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105417336A (en) * | 2015-11-30 | 2016-03-23 | 苏州富士电梯有限公司 | Hand strap protection device |
| CN110177752A (en) * | 2017-03-08 | 2019-08-27 | 三菱电机大楼技术服务株式会社 | The control device and control method of passenger conveyors with the precision confirmation function based on handrail speed detection device |
| US10865074B2 (en) | 2018-09-19 | 2020-12-15 | Otis Elevator Company | Handrail automatically tensioning system and a method for adjusting tension level of handrail |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180423 Address after: 215122 Suzhou Industrial Park, Suzhou Province, the only new road, No. 28, Jiangsu Patentee after: Jiangnan Jiajie Lift Co., Ltd., Jiangsu Address before: 215122 Suzhou Industrial Park, Jiangsu, the only new road, No. 28 Patentee before: Suzhou Fushi Elevator Co., Ltd. |