CN214087264U - Protection switch capable of preventing driving chain from being broken - Google Patents
Protection switch capable of preventing driving chain from being broken Download PDFInfo
- Publication number
- CN214087264U CN214087264U CN202023269004.XU CN202023269004U CN214087264U CN 214087264 U CN214087264 U CN 214087264U CN 202023269004 U CN202023269004 U CN 202023269004U CN 214087264 U CN214087264 U CN 214087264U
- Authority
- CN
- China
- Prior art keywords
- chain
- gear
- host computer
- staircase
- photoelectric sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Escalators And Moving Walkways (AREA)
Abstract
The utility model relates to an automatic staircase control technology field, in particular to can prevent cracked protection switch of driving chain, including staircase host computer, host computer gear and drive gear, the output shaft at the staircase host computer is overlapped admittedly to the host computer gear, and host computer gear and drive gear pass through drive chain drive and connect, are equipped with chain pin induction system between host computer gear and the drive gear, and chain pin induction system is connected with staircase host computer electricity. Compared with the prior art, the utility model provides a pair of can prevent cracked protection switch of drive chain, moreover, the steam generator is simple in structure, the controllability is strong, the long-time operation in-process of staircase, the drive chain round pin can be because the friction action slowly drops, detect the drive chain round pin when photoelectric sensor and break away from, can trigger photoelectric switch, cut off staircase host computer load current, make automatic escalator stall, prevent to take personnel and fall into the inside casualties that causes of staircase because of the broken chain, the safety of taking personnel has been guaranteed, play and prevent suffering from and effect in advance, the security performance has been improved.
Description
Technical Field
The utility model relates to an automatic staircase control technology field, in particular to can prevent cracked protection switch of driving chain.
Background
The escalator is a common personnel transportation tool in daily life, and is used in various fields of department stores, supermarkets, office buildings, hotels, airports, subways and urban traffic. Among the prior art, the staircase includes: the escalator comprises steps, a step frame, step wheels, chain wheels, a chain, a steel rail, an upper guide rail, a lower guide rail, an additional brake, an operation driving device and a truss, wherein the truss is arranged in a mounting groove for mounting the escalator, the steel rail, the upper guide rail and the lower guide rail are arranged on the truss, the steel rail, the upper guide rail and the lower guide rail are parallel to each other, the steel rail is used for supporting the chain wheels, all the chain wheels are arranged on the chain, the triangular step frame is arranged below each step, the chain wheels and the step wheels are arranged on the step frames, the guide of the step wheels is used for guiding the rotation of the steps, so that all the steps can form a step shape or a plate, the chain is in a ring shape, the operation driving device is arranged at the two ends of the chain, the operation driving device is used for driving the chain to move back and forth, however, passengers can be involved in the chain after the chain is broken, and safety accidents occur, and certain safety device is needed for stopping the operation of the escalator in time, the existing safety device has the disadvantages of complex structure, low running stability, failure possibility due to frequent non-use, low controllability, short service life and increased use risk of the escalator.
SUMMERY OF THE UTILITY MODEL
To the not enough with above-mentioned background art, the utility model provides a can prevent cracked protection switch of driving chain.
The utility model adopts the technical scheme as follows: a protection switch capable of preventing a driving chain from being broken is characterized in that: the escalator comprises an escalator main machine, a main machine gear and a driving gear, wherein the main machine gear is fixedly sleeved on an output shaft of the escalator main machine, the main machine gear is connected with the driving gear through driving chain transmission, a chain pin sensing device is arranged between the main machine gear and the driving gear, and the chain pin sensing device is electrically connected with the escalator main machine;
the chain pin sensing device comprises a mounting seat, a photoelectric sensor is mounted on the mounting seat, the output end of the photoelectric sensor is arranged right opposite to the chain pin of the driving chain, and the photoelectric sensor is electrically connected with the escalator host machine.
Preferably, the mounting seat is a U-shaped mounting seat, the driving chain passes through a groove of the U-shaped mounting seat, the photoelectric sensor includes a light emitter and a light receiver, and the light emitter and the light receiver are mounted on two groove walls of the U-shaped mounting seat in a face-to-face manner.
Preferably, the photoelectric sensor is an infrared photoelectric sensor.
Preferably, the photosensor is a visible photosensor.
Preferably, the photosensor is a diffusion reflection type photoelectric switch.
Has the advantages that: compared with the prior art, the utility model provides a pair of can prevent cracked protection switch of drive chain, moreover, the steam generator is simple in structure, the controllability is strong, the long-time operation in-process of staircase, the drive chain round pin can be because the friction action slowly drops, detect the drive chain round pin when photoelectric sensor and break away from, can trigger photoelectric switch, cut off staircase host computer load current, make automatic escalator stall, prevent to take personnel and fall into the inside casualties that causes of staircase because of the broken chain, the safety of taking personnel has been guaranteed, play and prevent suffering from and effect in advance, the security performance has been improved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the pin sensing device.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.
Example 1
As shown in fig. 1-2, a protection switch capable of preventing a drive chain from being broken includes an escalator main machine 1, a main machine gear 2 and a drive gear 3, wherein the main machine gear 2 is fixedly sleeved on an output shaft of the escalator main machine 1, the main machine gear 2 and the drive gear 3 are in transmission connection through a drive chain 4, a chain pin sensing device 5 is arranged between the main machine gear 2 and the drive gear 3, and the chain pin sensing device 5 is electrically connected with the escalator main machine 1; chain pin induction system 5 includes mount pad 51, mount pad 51 is U type mount pad, drive chain 4 is followed pass through in the recess of U type mount pad, install photoelectric sensor 52 on the mount pad 51, photoelectric sensor 52 is infrared photoelectric sensor, photoelectric sensor 52 includes light emitter and light receiver, light emitter and light receiver face-to-face mounting are in two cell walls of U type mount pad, the transmitting end of light emitter just right the chain pin department of drive chain 4 sets up, photoelectric sensor 52 with staircase host computer 1 electricity is connected.
During the operation of the escalator, the escalator main machine drives the escalator to operate through the driving chain, the driving chain moves back and forth between the main machine gear and the driving gear, the driving chain always passes through the groove of the U-shaped mounting seat, when the photoelectric sensor detects that the chain pin of the driving chain falls off, the photoelectric switch cuts off the load current of the escalator main machine, the escalator stops operating, and the potential safety hazard caused by chain breakage is effectively prevented.
Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and that those skilled in the art can make various similar representations without departing from the spirit and scope of the present invention.
Claims (5)
1. A protection switch capable of preventing a drive chain from being broken is characterized in that: the escalator comprises an escalator main machine (1), a main machine gear (2) and a driving gear (3), wherein the main machine gear (2) is fixedly sleeved on an output shaft of the escalator main machine (1), the main machine gear (2) is in transmission connection with the driving gear (3) through a driving chain (4), a chain pin sensing device (5) is arranged between the main machine gear (2) and the driving gear (3), and the chain pin sensing device (5) is electrically connected with the escalator main machine (1);
the chain pin sensing device (5) comprises a mounting seat (51), a photoelectric sensor (52) is mounted on the mounting seat (51), the output end of the photoelectric sensor (52) is opposite to the chain pin of the driving chain (4), and the photoelectric sensor (52) is electrically connected with the escalator main machine (1).
2. A protection switch capable of preventing breakage of a driving chain according to claim 1, wherein: the mounting seat (51) is a U-shaped mounting seat, the driving chain (4) passes through a groove of the U-shaped mounting seat, the photoelectric sensor (52) comprises a light emitter and a light receiver, and the light emitter and the light receiver are arranged on two groove walls of the U-shaped mounting seat in a face-to-face mode.
3. A protection switch capable of preventing breakage of a drive chain according to claim 2, wherein: the photoelectric sensor (52) is an infrared photoelectric sensor.
4. A protection switch capable of preventing breakage of a drive chain according to claim 2, wherein: the photoelectric sensor (52) is a visible light photoelectric sensor.
5. A protection switch capable of preventing breakage of a driving chain according to claim 1, wherein: the photosensor (52) is a diffusion reflection type photoelectric switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023269004.XU CN214087264U (en) | 2020-12-30 | 2020-12-30 | Protection switch capable of preventing driving chain from being broken |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023269004.XU CN214087264U (en) | 2020-12-30 | 2020-12-30 | Protection switch capable of preventing driving chain from being broken |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214087264U true CN214087264U (en) | 2021-08-31 |
Family
ID=77434956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023269004.XU Active CN214087264U (en) | 2020-12-30 | 2020-12-30 | Protection switch capable of preventing driving chain from being broken |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214087264U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024045953A1 (en) * | 2022-08-30 | 2024-03-07 | 宁德时代新能源科技股份有限公司 | Elevator and battery conveying system |
-
2020
- 2020-12-30 CN CN202023269004.XU patent/CN214087264U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024045953A1 (en) * | 2022-08-30 | 2024-03-07 | 宁德时代新能源科技股份有限公司 | Elevator and battery conveying system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214087264U (en) | Protection switch capable of preventing driving chain from being broken | |
| CN107651523B (en) | A kind of elevator traction sheave abrasion detection mechanism | |
| CN107244324B (en) | Intelligent mining monkey vehicle and control system and control method thereof | |
| CN214087270U (en) | Protective switch capable of preventing step chain from breaking | |
| CN214298846U (en) | Protective switch capable of preventing handrail chain from breaking | |
| CN213475129U (en) | Step loss detection protection device of escalator | |
| CN202594558U (en) | Household elevator without machine room | |
| CN215370693U (en) | Hoist brake control device | |
| CN210528221U (en) | Clamping type additional braking device for escalator and moving sidewalk | |
| CN210944480U (en) | Energy-saving device of escalator | |
| CA3138971C (en) | Force-driven handrail belt apparatus | |
| CN220165575U (en) | Protection device used after chain breakage of escalator and escalator | |
| CN204702388U (en) | A kind of pedal break detector apparatus of escalator | |
| CN108059073A (en) | Escalator and pavement accident emergency stop device | |
| CN103482327B (en) | Torsion type belt conveyer broken belt catcher | |
| CN214610974U (en) | Elevator overspeed protection device | |
| CN105173963A (en) | Elevator car accidental movement control device | |
| CN208561361U (en) | A kind of highly-safe energy-conserving elevator | |
| CN221165546U (en) | Additional brake and chain detection device of escalator | |
| CN204873336U (en) | Unexpected amount of movement controlling means of elevator car | |
| CN215326340U (en) | Elevator car and to heavily detaining detecting system | |
| CN206156549U (en) | Brake safe staircase more | |
| CN209337909U (en) | Advanced single rope winding hoist rope-loosing protection device | |
| CN218434442U (en) | Anti-stall emergency stop device of escalator | |
| CN217627211U (en) | Infrared stop device of portal crane |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |