CN211644287U - Step chain locking device - Google Patents
Step chain locking device Download PDFInfo
- Publication number
- CN211644287U CN211644287U CN201921932131.8U CN201921932131U CN211644287U CN 211644287 U CN211644287 U CN 211644287U CN 201921932131 U CN201921932131 U CN 201921932131U CN 211644287 U CN211644287 U CN 211644287U
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- CN
- China
- Prior art keywords
- locking device
- step chain
- connecting seat
- limit switch
- placing
- 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.)
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- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000001960 triggered effect Effects 0.000 abstract description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
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- Escalators And Moving Walkways (AREA)
Abstract
The utility model discloses a step chain locking device, which comprises a connecting seat and a trigger piece, wherein the top of the connecting seat is provided with a limit switch, the connecting seat is provided with a first placing hole for placing the trigger piece, and the first placing hole is arranged at one side of a mechanical contact close to the limit switch; the utility model provides a step chain locking device inserts first place the hole back when the trigger piece, and limit switch is triggered, and limit switch prevents the power supply of host computer, avoids appearing the condition that step chain gliding or swift current ladder, improves the security that maintenance personal carried out maintenance work during, reduces the possibility that the incident takes place.
Description
Technical Field
The utility model relates to an automatic escalator technical field, in particular to step chain locking device.
Background
In the conventional escalator, when the steps need to be repaired or stopped for a long time, a working brake and an additional brake are generally used to fix the step chain.
When the escalator is maintained, a section of the step chain needs to be disassembled sometimes, and under the condition that the step chain is disassembled, the working brake and the additional brake cannot fix the step chain, and if the step chain on the upper part of the escalator slides downwards, the safety of maintenance workers is threatened.
When the escalator stops, the escalator is generally used as a fixed escalator; however, if the braking torque is not properly adjusted, the situation of sliding the ladder can occur, so that safety accidents are caused due to the safety of passengers, and the situation of sliding the ladder is particularly easy to occur between two maintenance operations.
SUMMERY OF THE UTILITY MODEL
In view of the foregoing disadvantages of the prior art, an object of the present invention is to provide a step chain locking device, in which a trigger is inserted into a housing, a limit switch prevents the power supply of a main machine, and the situation of the step chain sliding down or sliding down is avoided.
In order to achieve the purpose, the utility model adopts the following technical proposal:
the step chain locking device comprises a connecting seat and a trigger piece, wherein a limit switch is arranged at the top of the connecting seat, a first placing hole used for placing the trigger piece is formed in the connecting seat, and the first placing hole is formed in one side of a mechanical contact close to the limit switch.
In the step chain locking device, the connecting seat comprises an upper base plate, a lower base plate and side plates which are fixedly connected, the limit switch is arranged on the upper surface of the upper base plate, the first placing holes comprise two holes which are respectively oppositely arranged on the upper base plate and the lower base plate, and the side plates are provided with a plurality of connecting through holes.
In the step chain locking device, a second placing hole for placing the trigger piece is further formed in the connecting seat, and the second placing hole is formed in one side, far away from the mechanical contact of the limit switch.
In the step chain locking device, the second placing holes comprise two holes which are respectively oppositely arranged on the upper bottom plate and the lower bottom plate.
The step chain locking device further comprises a fixed chain, one end of the fixed chain is connected with the trigger piece, and the other end of the fixed chain is connected with the connecting seat.
In the step chain locking device, the trigger piece is a bayonet lock.
Has the advantages that:
the utility model provides a step chain locking device, it has following advantage:
(1) the step chain locking device is simple in structure and convenient to install, and the limit switch is triggered by the trigger piece to stop power supply of the motor, so that the phenomenon that the steps slide down or slide down can be effectively prevented;
(2) the second placing hole is used for accommodating the trigger piece, so that the convenience degree of the step chain locking device in use is improved;
(3) be provided with the fixed chain, avoid losing of trigger piece, and can avoid trigger piece to drop from the connecting seat and influence escalator's normal work.
Drawings
Fig. 1 is a schematic structural view of a step chain locking device provided by the present invention;
fig. 2 is a side sectional view of the step chain locking device provided by the present invention.
Description of the main element symbols: 1-a connecting seat, 2-a trigger, 3-a limit switch, 4-a first placing hole, 5-a second placing hole and 6-a connecting through hole.
Detailed Description
The utility model provides a step chain locking device, for making the utility model discloses a purpose, technical scheme and effect are clearer, clear and definite, and it is right that the following refers to the attached drawing and the embodiment of lifting is the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "top" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience of description and simplified description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly, and those skilled in the art can understand the specific meaning of the above terms in the present invention according to specific situations.
Referring to fig. 1 and 2, the utility model provides a step chain locking device, which comprises a connecting seat 1 and a trigger 2, wherein the top of the connecting seat 1 is provided with a limit switch 3, the connecting seat 1 is provided with a first placing hole 4 for placing the trigger 2, and the first placing hole 4 is arranged at one side of a mechanical contact close to the limit switch 3; in this embodiment, the limit switch 3 and the connecting base 1 are connected by a bolt.
The working principle of the utility model is as follows, the connecting seat 1 is fixed on the escalator truss, when the escalator needs to be maintained or needs to be in a long-time stop state, the trigger 2 is placed in the first placing hole 4, the trigger 2 is contacted with the mechanical contact of the limit switch 3, the limit switch 3 prevents the power supply of the host, the step is kept in a fixed state, and the possibility of safety accidents is reduced; when the escalator needs to move, the trigger piece 2 is taken out of the first placing hole 4, the main machine recovers power supply, and the escalator recovers the working state.
Further, the connecting seat 1 comprises an upper bottom plate, a lower bottom plate and side plates which are fixedly connected, the limit switch 3 is arranged on the upper surface of the upper bottom plate, the number of the first placing holes 4 is two, the two first placing holes are respectively oppositely arranged on the upper bottom plate and the lower bottom plate, and the side plates are provided with a plurality of connecting through holes 6; through the arrangement of the connecting through hole 6, the bolt penetrates through the connecting through hole 6 to fix the connecting seat 1 on the truss, so that the detachable connection between the connecting seat 1 and the truss is realized, the position of the step chain locking device on the truss is convenient to adjust, and the step chain locking device is convenient to replace; in this embodiment, the connecting seat may be an integrally formed structure or a welded connection relationship between the upper bottom plate, the lower bottom plate and the side plates; in other embodiments, one or two first placement holes 4 may be provided according to the actual length of the selected trigger 2.
Furthermore, a second placing hole 5 for placing the trigger 2 is further formed in the connecting seat 1, and the second placing hole 5 is formed in one side, far away from the mechanical contact of the limit switch 3; when the step needs to operate, the trigger piece 2 can be taken out of the first placing hole 4, and the trigger piece 2 is placed in the second placing hole 5, so that the trigger piece 2 is accommodated; when maintenance personnel need use trigger 2 to carry out the locking of step chain, only need follow the second place in the hole 5 take out trigger 2 to place trigger 2 in the first hole 4 of placing can, improve the convenient degree when step chain locking device uses.
Further, the second placing holes 5 include two holes, which are respectively oppositely arranged on the upper bottom plate and the lower bottom plate; in other embodiments, one or two second placement holes 5 may be provided according to the actual length of the selected trigger piece 2.
Further, the step chain locking device further comprises a fixed chain (not shown in the figure), one end of the fixed chain is connected with the trigger 2, the other end of the fixed chain is connected with the connecting seat 1, the fixed chain is used for preventing the trigger 2 from being lost, and the trigger 2 can be prevented from falling from the connecting seat 1 to affect the normal work of the escalator.
Further, the trigger 2 is a bayonet; referring to fig. 1, in the present embodiment, a bayonet ring is disposed at a top of the bayonet, the bayonet ring and the bayonet are an integrated structure, and the fixing chain is connected to the bayonet ring.
It is understood that equivalent substitutions or changes can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such changes or substitutions shall fall within the scope of the present invention.
Claims (6)
1. The step chain locking device is characterized by comprising a connecting seat and a triggering part, wherein a limit switch is arranged at the top of the connecting seat, a first placing hole used for placing the triggering part is formed in the connecting seat, and the first placing hole is formed in one side of a mechanical contact close to the limit switch.
2. The step chain locking device according to claim 1, wherein the connecting seat comprises an upper bottom plate, a lower bottom plate and a side plate which are fixedly connected, the limit switch is arranged on the upper surface of the upper bottom plate, the first placing holes comprise two holes which are oppositely arranged on the upper bottom plate and the lower bottom plate respectively, and the side plate is provided with a plurality of connecting through holes.
3. The step chain locking device according to claim 2, wherein the connecting seat is further provided with a second placing hole for placing the trigger, and the second placing hole is formed on one side away from the mechanical contact of the limit switch.
4. The step chain locking device of claim 3, wherein the second placement holes comprise two placement holes, which are oppositely opened on the upper bottom plate and the lower bottom plate, respectively.
5. The step chain locking device of claim 1, further comprising a fixed chain, wherein one end of the fixed chain is connected to the trigger, and the other end of the fixed chain is connected to the connecting seat.
6. The step chain locking device of any one of claims 1 to 5, wherein the trigger is a bayonet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921932131.8U CN211644287U (en) | 2019-11-08 | 2019-11-08 | Step chain locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921932131.8U CN211644287U (en) | 2019-11-08 | 2019-11-08 | Step chain locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211644287U true CN211644287U (en) | 2020-10-09 |
Family
ID=72691927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921932131.8U Active CN211644287U (en) | 2019-11-08 | 2019-11-08 | Step chain locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211644287U (en) |
-
2019
- 2019-11-08 CN CN201921932131.8U patent/CN211644287U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |