CN214090680U

CN214090680U - Electric stair for evacuation of comprehensive pipe rack

Info

Publication number: CN214090680U
Application number: CN202022457967.6U
Authority: CN
Inventors: 周少鹏; 潘志宇; 徐伟; 左鸿霁; 丁党盛
Original assignee: Fourth Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
Current assignee: Fourth Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-08-31
Anticipated expiration: 2030-10-29

Abstract

The utility model discloses an electric stair is used in evacuation of utility tunnel, including installing stair main part (1) in the passageway, its characterized in that, the first end of stair main part (1) with the top rotatable coupling of passageway, and stair main part (1) is after rotating the second end that is used for with ground contact of stair main part (1) can be located the top of passageway. Can wholly be located the top of passageway after rotating through the stair main part to release the space on ground in the passageway, make the stair main part not occupy the space on ground in the utility tunnel, thereby the space grow on ground satisfies the site operation fire control requirement in the utility tunnel, and does not influence daily maintainer current.

Description

Electric stair for evacuation of comprehensive pipe rack

Technical Field

The utility model relates to a technical field of building, in particular to utility tunnel is sparse with electric stair.

Background

Utility tunnel: the utility tunnel is a public tunnel which is built underground in a city and is used for intensively laying municipal pipelines such as electric power, communication, broadcast television, water supply and the like. The underground comprehensive pipe gallery can effectively avoid the phenomenon of zipper roads, so that technicians can carry out rush repair, maintenance, expansion transformation and the like on various pipelines in the pipe gallery without repeatedly excavating road surfaces; meanwhile, the first-aid repair time of the pipeline is greatly shortened.

At present, the utility tunnel is a utility tunnel which is pushed by the national mastery and is used for laying municipal pipelines such as electric power, communication, broadcast television, water supply and the like in a centralized way, and the observation access opening and the field access opening are separately arranged under the common condition, so that the smoothness of the observation channel is ensured while the on-site maintenance work and the fire protection requirements are ensured under the environment of the utility tunnel with a narrow space, and the construction mode of the observation channel at the present stage becomes the construction difficulty at the present stage.

At present, in the existing construction method, channel steel is pre-embedded in a structure during structural construction, and then the channel steel is welded with a machined stair at a later stage, so that the overall stability of structural construction is good, and visitors can conveniently pass through the channel steel.

However, the stair after the construction method is adopted is fixed and cannot be dismantled, and the space of the pipe gallery is occupied, so that the space of the pipe gallery is smaller, the fire-fighting requirement of field construction is not met, and the passage of daily maintenance personnel is influenced.

Therefore, how to provide a utility tunnel is sparse with electric stair guarantees site operation fire control and makes things convenient for the current requirement of personnel, is this technical field personnel and awaits the problem that solves urgently.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides an electric stair is used in evacuation of utility tunnel guarantees the on-the-spot construction fire control and makes things convenient for the current requirement of personnel.

In order to achieve the above object, the utility model provides a following technical scheme:

an electric stair for evacuation of a utility tunnel comprises a stair body installed in a passageway, wherein a first end of the stair body is rotatably connected with the top of the passageway, and a second end of the stair body for contacting with the ground can be located at the top of the passageway after the stair body is rotated.

Preferably, in the above electric stair for evacuation of the utility tunnel, the first end of the stair body is rotatably connected with the top of the passage through a cylindrical bearing.

Preferably, in the above electric stair for evacuation of utility tunnel, the axial direction of the cylindrical bearing is parallel to the plane of the stair body.

Preferably, in the above electric stair for evacuation of utility tunnel, the axial direction of the cylindrical bearing is perpendicular to the plane of the stair body.

Preferably, in the above electric stair for evacuation of utility tunnel, further comprising a driving assembly for driving the stair main body to rotate, the driving assembly is connected with the second end of the stair main body.

Preferably, in the above electric stairway for evacuation of utility tunnel, the driving module includes:

a pulley fixed to a second end of the stair body;

the chain is wound on the pulley;

and the driving motor is fixed at the top of the channel and is used for driving at least one chain to be retracted.

Preferably, in the above electric stair for evacuation of utility tunnel, the second ends of both sides of the stair body are provided with the pulleys, and the chain of one is driven by the driving motor, and the chain of the other is connected with the fixing piece fixed on the top of the passageway.

Preferably, in the above electric stair for evacuation of utility tunnel, a control key for controlling the start and stop of the driving motor is further included.

Preferably, in the above-mentioned electric stair for comprehensive pipe rack evacuation, the drive assembly is a pneumatic cylinder, the base of the pneumatic cylinder is fixed at the top of the passageway, and the telescopic rod of the pneumatic cylinder is connected with the second end of the stair body.

Preferably, in the above-mentioned utility tunnel evacuation uses the electric stair, the stair main part is steel pipe weldment.

The utility model provides a pair of utility tunnel is sparse with electric stair can wholly be located the top of passageway after rotating through the stair main part to release the space on ground in the passageway, make the stair main part not occupy the space on ground in the utility tunnel, thereby the space grow on ground satisfies the site operation fire control requirement in the utility tunnel, and does not influence daily maintainer current.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is the embodiment of the utility model provides an in the embodiment disclosed electric stair for evacuation of utility tunnel.

Detailed Description

The utility model discloses an electric stair is used in evacuation of utility tunnel guarantees site operation fire control and makes things convenient for the current requirement of personnel.

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.

As shown in fig. 1, the application also discloses an electric stair for evacuation of utility tunnel, including installing stair main body 1 in the passageway, wherein, the first end of this stair main body 1 and the top rotatable coupling of passageway, and stair main body 1 can be located the top of passageway at the second end that is used for with ground contact of stair main body 1 after rotating, can wholly be located the top of passageway after stair main body 1 in this application rotates promptly, the space on ground in the passageway can be so released, make stair main body 1 not occupy the space on ground in the utility tunnel, thereby the space grow on ground satisfies site operation fire control requirement in the utility tunnel, and do not influence daily maintainer current.

In a specific embodiment, the first end of the stair body 1 is rotatably connected with the top of the passageway through a cylindrical bearing 2. When being installed, the stair main body 1 is rotatably connected through the cylindrical bearing 2, so that the stair main body 1 can be rotated to the top of the passage when not in use; in use, the second end of the stair body 1 is turned to the access floor by reverse rotation. The rotation is realized through bearing rotation connection in this application, still can articulate through the hinge in the reality.

In a preferred embodiment, the axial direction of the cylindrical bearing 2 can be parallel to the plane of the stair body 1 or perpendicular to the plane of the stair body 1. Both ways allow different turning directions of the stair body 1, but both ways allow turning the stair to the top of the passage. As can be appreciated by those skilled in the art, the rotation direction can be selected according to different requirements and is within the protection range.

In a further embodiment, the electric stair for evacuation of the utility tunnel further comprises a driving assembly for driving the stair body 1 to rotate, and the driving assembly is connected with the second end of the stair body 1, namely, the driving assembly drives the stair body 1 to rotate around the cylindrical bearing 2 by driving the second end of the stair body 1 to rotate, so as to realize the position adjustment of the stair body 1. In practice, the first end of the stair body 1 can be directly driven to rotate, so that the whole stair body 1 can rotate.

The drive assembly disclosed in the present application comprises: pulley 3, chain 4 and drive motor 5. Wherein, pulley 3 is fixed at the second end of stair main part 1, and foretell chain 4 is around establishing on pulley 3 to drive chain 4 receive and release under the effect of driving motor 5, thereby realize raising and descending of pulley 3 drive stair main part 1's position. The above-mentioned driving motor 5 is fixed on the top of the channel, and the chain 4 can be an iron chain. This pulley 3 can change the atress direction of stair main part 1, when driving motor 5 tightens up chain 4, and strength conduction through chain 4 makes stair main part 1 receive ascending pulling force, rotates stair main part 1 to the top of passageway to the fire control requirement that reaches the site operation does not overhaul on the spot and brings the facility.

In a specific embodiment, the second ends of the two sides of the stair body 1 are provided with pulleys 3, and the chain of one pulley is driven by the driving motor 5, while the chain of the other pulley is connected with a fixing piece 6 fixed at the top of the passageway, i.e. the stair body 1 is driven to rotate by driving one side of the stair body 1. In practice, the pulleys 3 on both sides of the stair body 1 can be driven by the driving motor 5 to ensure the stability of the stair body 1 during the rotation process.

In a further embodiment, the above-mentioned electric stair for evacuation of a utility tunnel further includes a control key 7 for controlling the start and stop of the driving motor 5, and the control of the action of the driving motor 5 is realized through the control key 7, so as to facilitate the operation of an operator, specifically, the control key may be an on-off key, and the control key 7 is electrically connected with the driving motor 5.

In addition, in another embodiment, the driving assembly may be a pneumatic cylinder, and the base of the pneumatic cylinder is fixed on the top of the channel, and the telescopic rod of the pneumatic cylinder is connected with the second end of the stair body 1. The telescopic process of the telescopic rod of the pneumatic cylinder drives the second end position of the stair main body 1 to be lifted and lowered, and the rotation of the stair main body 1 is achieved.

The stair main part 1 disclosed in this application is steel pipe welding spare, and is concrete, and the backplate of stair main part 1 is the channel steel spare, and the footboard articulates on the backplate, and when stair main part 1 rotated to the passageway top, the footboard also can rotate for the backplate, further reduces the space that stair main part 1 occupy. The specific structure of the stair body 1 is not limited in detail, as long as the rotation connection mode of the stair body 1 is within the protection range.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An electric stair for evacuation of utility tunnel comprises a stair body (1) installed in a passageway, and is characterized in that a first end of the stair body (1) is rotatably connected with the top of the passageway, and a second end of the stair body (1) for contacting with the ground can be located at the top of the passageway after the stair body (1) rotates.

2. Electric stairs for evacuation of utility tunnel according to claim 1, characterized in that the first end of the stair body (1) is rotatably connected with the top of the passageway through a cylindrical bearing (2).

3. Electric stairs for evacuation of utility tunnels according to claim 2, characterized in that the axial direction of the cylindrical bearing (2) is parallel to the plane of the stair body (1).

4. Electric stairs for evacuation of utility tunnels according to claim 2, characterized in that the axial direction of the cylindrical bearing (2) is perpendicular to the plane of the stair body (1).

5. The utility tunnel evacuation electric stair of claim 1, further comprising a driving assembly for driving the stair body (1) to rotate, wherein the driving assembly is connected with the second end of the stair body (1).

6. The utility tunnel evacuation motorized stair of claim 5, wherein the drive assembly comprises:

a pulley (3) fixed at the second end of the stair body (1);

a chain (4) wound on the pulley (3);

and the driving motor (5) is fixed at the top of the channel, and the driving motor (5) is used for driving at least one chain (4) to be retracted.

7. Electric stairs for evacuation of utility corridor according to claim 6, characterized in that the second end of both sides of the stair body (1) is provided with the pulley (3) and the chain of one is driven by the driving motor (5) and the chain of the other is connected with the fixture (6) fixed on top of the passage.

8. The electric stair for evacuation of the utility tunnel according to claim 6, further comprising a control key (7) for controlling the start and stop of the driving motor (5).

9. The utility tunnel evacuation electric stair of claim 5, characterized in that the driving assembly is a pneumatic cylinder, the base of which is fixed on the top of the passageway, and the telescopic rod of which is connected with the second end of the stair body (1).

10. Electric stairs for evacuation of utility tunnels according to any of claims 1-9, characterized in that the stair body (1) is a steel tube weldment.