CN210635571U

CN210635571U - Device for ensuring safety space of pit maintenance personnel

Info

Publication number: CN210635571U
Application number: CN201920860880.8U
Authority: CN
Inventors: 金冬雷; 郑宏安; 曾维晟; 张桂竹
Original assignee: Beijing Rongsheng Antai Technology Co Ltd
Current assignee: Beijing Rongsheng Antai Technology Co Ltd
Priority date: 2019-06-10
Filing date: 2019-06-10
Publication date: 2020-05-29
Anticipated expiration: 2029-06-10

Abstract

The utility model relates to the technical field of elevator, and a guarantee pit maintenance personal safety space's device is disclosed, including bearing structure, the fixed cover in middle part on bearing structure top is equipped with the pivot, and the bottom of bearing structure side is equipped with first fixed contact, one side of bearing structure is equipped with the hoist engine, one side of hoist engine is equipped with the supporting seat. This guarantee device of pit maintenance personal safety space, through when maintenance personal need get into the pit and carry out maintenance work, the maintainer opens the room door with the triangle key, trigger safety switch, control system gives the signal, the hoist engine gives the electricity and starts, it rotates in the pivot to drive the support column, rotate to being the vertical state with bearing structure when the support column, second movable contact and second fixed contact switch-on, the hoist engine stop work, the support column is in the operating condition who supports this moment, thereby guarantee that maintenance personal has sufficient safety space, maintenance personal's security improves.

Description

Device for ensuring safety space of pit maintenance personnel

Technical Field

The utility model relates to an elevator technical field specifically is a guarantee pit maintenance personal safety space's device.

Background

An elevator is a permanent transport device serving a number of specific floors in a building, the cars of which move on at least two rigid tracks perpendicular to the horizontal or inclined at an angle of less than 15 ° to the vertical, also of the stepped type, the tread plates being mounted on a track, running continuously, known as an escalator or a moving walkway, serving the fixed lifting device of the given floor.

However, the elevator that current building installed additional, because underground civil engineering structure is complicated, can't satisfy traditional elevator deep basal pit degree of depth, after having installed the elevator, there is the potential safety hazard in the personnel that shallow basal pit space maintained to getting into the foundation ditch.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a guarantee pit maintenance personal safety space's device possesses the advantage that improves maintenance personal security, has solved the elevator that current building installed additional, because underground civil engineering structure is complicated, can't satisfy traditional elevator deep basal pit degree of depth, and after the elevator has been installed, shallow basal pit space carries out the problem that there is the potential safety hazard to the personnel that maintain to getting into the foundation ditch.

The utility model provides a following technical scheme: the utility model provides a guarantee device in pit maintenance personal safety space, includes bearing structure, the fixed cover in middle part on bearing structure top is equipped with the pivot, and the bottom of bearing structure side is equipped with first fixed contact, one side of bearing structure is equipped with the hoist engine, one side of hoist engine is equipped with the supporting seat, the top of supporting seat is equipped with second fixed contact.

Preferably, a support column is movably sleeved in the middle of the rotating shaft, a first movable contact is arranged at the bottom of the side face of the support column, a second movable contact is arranged at the top of the side face of the support column, and a buffer is fixedly connected to the top of the support column.

Preferably, the top of the supporting seat is movably connected with the supporting column, and the second fixed contact at the top of the supporting seat is movably connected with the second movable contact on the supporting column.

Preferably, one end of the support column close to the first movable contact is fixedly connected with a driving steel wire rope on the winch, and the first movable contact on the support column is movably connected with the first fixed contact on the support structure.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this guarantee device of pit maintenance personal safety space, through when maintenance personal need get into the pit and carry out maintenance work, the maintainer opens the room door with the triangle key, trigger safety switch, control system gives the signal, the hoist engine gives the electricity and starts, it rotates in the pivot to drive the support column, rotate to being the vertical state with bearing structure when the support column, second movable contact and second fixed contact switch-on, the hoist engine stop work, the support column is in the operating condition who supports this moment, thereby guarantee that maintenance personal has sufficient safety space, maintenance personal's security improves.

2. This guarantee device of pit maintenance personal safety space, through after maintenance personal accomplishes pit maintenance work, the maintainer closes the room door, resume safety switch, control system gives the signal, the hoist engine gives the electricity and starts, it rotates in the pivot to drive the support column, when the support column rotates to be the horizontality with bearing structure, first movable contact and first fixed contact switch-on, the hoist engine stop work, the support column is in non-operating condition this moment, the elevator resumes the operation, this device degree of automation is high, moreover, the operation is simple, manpower and time have not only been practiced thrift, maintenance personal's safety has also been ensured simultaneously.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is a side view of the structure of the present invention in an operating state;

FIG. 3 is a front view of the structure of the present invention in a non-working state;

fig. 4 is a side view of the structure of the present invention in a non-operating state.

In the figure: 1. a support structure; 2. a rotating shaft; 3. a first fixed contact; 4. a winch; 5. a supporting seat; 6. a second fixed contact; 7. a support pillar; 8. a first movable contact; 9. a second movable contact; 10. a buffer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a device for ensuring the safety space of pit maintainers comprises a supporting structure 1, a rotating shaft 2 is fixedly sleeved at the middle part of the top end of the supporting structure 1, a first fixed contact 3 is arranged at the bottom of the side surface of the supporting structure 1, a winch 4 is arranged at one side of the supporting structure 1, a supporting seat 5 is arranged at one side of the winch 4, the top of the supporting seat 5 is movably connected with a supporting column 7, a second fixed contact 6 at the top of the supporting seat 5 is movably connected with a second movable contact 9 on the supporting column 7, the device automatically switches the working state of the supporting column 7 by the matching of the first fixed contact 3 and the first movable contact 8 and the matching of the second fixed contact 6 and the second movable contact 9, the automation degree is high, the operation is simple and convenient, the manpower and the time are saved under the condition that the safety maintenance space can be provided for the maintainers, the top of the supporting seat 5 is provided with a second fixed contact 6, the middle part of the rotating shaft 2 is movably sleeved with a supporting column 7, one end of the supporting column 7 close to a first movable contact 8 is fixedly connected with a driving steel wire rope on the winch 4, and the first movable contact 8 on the supporting column 7 is movably connected with a first fixed contact 3 on the supporting structure 1, the device provides power through the winch 4, the supporting column 7 is driven to rotate on the rotating shaft 2 on the supporting structure 1 by using the steel wire rope on the winch 4, so that the supporting and the accommodating of the supporting column 7 are realized, the device is simple and convenient, the bottom of the side surface of the supporting column 7 is provided with the first movable contact 8, the top of the side surface of the supporting column 7 is provided with a second movable contact 9, the top of the supporting column 7 is fixedly connected with a buffer 10, under the normal use condition, the buffer 10 is used for elastic expansion and contraction, the stability, the buffer 10 is used for buffering falling objects, so that the supporting strength of the supporting column 7 is improved, and the safety of maintenance personnel is protected.

The working principle is as follows: firstly, when maintenance personnel need to enter a pit for maintenance work, the maintenance personnel open a hall door by using a triangular key, trigger a safety switch, give a signal by a control system, electrically start a winch 4, then work the winch 4 to drive a support post 7 to rotate on a rotating shaft 2, when the support post 7 rotates to be vertical to a support structure 1, a second movable contact 9 is communicated with a second fixed contact 6, the winch 4 stops working, the support post is in a working state at the moment, the safety space of the maintenance personnel is ensured, finally, after the maintenance personnel finish the pit maintenance work, the maintenance personnel close the hall door, recover the safety switch, give a signal by the control system, electrically start the winch 4 to drive the support post 7 to rotate on the rotating shaft 2, when the support post 7 rotates to be horizontal to the support structure 1, a first movable contact 8 is communicated with a first fixed contact 3, the hoist 4 stops working, and at this time, the support column 7 is in a non-working state, and the elevator resumes operation.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a guarantee pit maintenance personal safety space's device, includes bearing structure (1), its characterized in that: the middle part on bearing structure (1) top is fixed to be equipped with pivot (2) in the cover, and the bottom of bearing structure (1) side is equipped with first fixed contact (3), one side of bearing structure (1) is equipped with hoist engine (4), one side of hoist engine (4) is equipped with supporting seat (5), the top of supporting seat (5) is equipped with second fixed contact (6).

2. The apparatus for ensuring pit maintenance personnel safety space according to claim 1, wherein: the middle part of the rotating shaft (2) is movably sleeved with a supporting column (7), a first movable contact (8) is arranged at the bottom of the side surface of the supporting column (7), a second movable contact (9) is arranged at the top of the side surface of the supporting column (7), and a buffer (10) is fixedly connected to the top of the supporting column (7).

3. The apparatus for ensuring pit maintenance personnel safety space according to claim 1, wherein: the top of the supporting seat (5) is movably connected with the supporting column (7), and the second fixed contact (6) at the top of the supporting seat (5) is movably connected with the second movable contact (9) on the supporting column (7).

4. The apparatus for ensuring pit maintenance personnel safety space according to claim 2, wherein: one end of the support column (7) close to the first movable contact (8) is fixedly connected with a driving steel wire rope on the winch (4), and the first movable contact (8) on the support column (7) is movably connected with the first fixed contact (3) on the support structure (1).