CN219012444U

CN219012444U - Elevator shaft cat ladder and shaft thereof

Info

Publication number: CN219012444U
Application number: CN202220686135.8U
Authority: CN
Inventors: 杨欣; 李雅林
Original assignee: Fuji Elevator Sichuan Co ltd
Current assignee: Fuji Elevator Sichuan Co ltd
Priority date: 2022-03-28
Filing date: 2022-03-28
Publication date: 2023-05-12
Anticipated expiration: 2032-03-28

Abstract

The utility model relates to the field of elevators, in particular to an elevator shaft ladder and a shaft thereof, wherein the ladder comprises a ladder body, a base is arranged at the bottom of the ladder body, the ladder body is hinged with the base, and the base is connected with a telescopic mechanism for pushing the base to move. The utility model has simple structure and convenient operation, and utilizes the telescopic mechanism to change the inclination angle of the cat ladder body before and after maintenance, thereby ensuring that the inclination angle of the cat ladder body is suitable for maintenance personnel to go up and down when maintenance is finished, the cat ladder body approaches the inner wall of the well after the maintenance is finished, and the normal operation of the lift car in the well is not influenced.

Description

Elevator shaft cat ladder and shaft thereof

Technical Field

The utility model relates to the field of elevators, in particular to an elevator shaft crawling ladder and a shaft thereof.

Background

In an elevator hoistway, a climbing ladder is usually provided at a pit of the hoistway in order for an inspection person to enter and exit the pit. In order to avoid the ladder interfering with the normal operation of the elevator in the hoistway, the ladder is typically arranged vertically at the hoistway side wall, which increases the risk of access to the pit for service personnel, but if the ladder is arranged obliquely, the hoistway size needs to be enlarged, which will lead to an increase in production costs.

Therefore, a technical scheme is needed at present to solve the technical problem that the safety risk of overhauling personnel entering and exiting a pit of an elevator shaft is increased due to the fact that a ladder stand is installed in the elevator shaft in a vertical arrangement mode.

Disclosure of Invention

The utility model aims at: the technical problem that safety risk of an maintainer entering and exiting a pit of an elevator shaft is increased due to the fact that a vertically arranged mode is adopted to install the elevator in the elevator shaft in the prior art is solved.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides an elevator well cat ladder, includes the cat ladder body, cat ladder body bottom is equipped with the base, the cat ladder body with the base is articulated, the base even has the telescopic machanism that is used for promoting the base removal.

When the elevator shaft ladder is used, the base is placed at the bottom of the pit, the telescopic mechanism is fixed with the inner wall of the shaft, and the upper end of the ladder body is placed on the entrance of the pit; when the maintenance personnel need to enter the pit, the telescopic mechanism pushes the base to move towards the inner side of the well, meanwhile, maintenance personnel hold the upper end of the ladder stand body, and under the drive of the base, the ladder stand body tilts, so that the maintenance personnel can enter the pit through the tilted ladder stand body; after the maintenance is finished, the telescopic mechanism drives the base to move to one side of the inner wall of the well, and meanwhile, maintenance staff holds the upper end of the crawling ladder body, so that the crawling ladder body is close to the inner wall of the well, and interference between the crawling ladder body and an elevator car is avoided;

furthermore, the utility model has simple structure and convenient operation, and the inclination angle of the cat ladder body before and after maintenance is changed by utilizing the telescopic mechanism, so that the inclination angle of the cat ladder body is suitable for an maintainer to go up and down during maintenance, and the cat ladder body approaches to the inner wall of a well after the maintenance is finished, and the normal operation of a lift car in the well is not influenced.

As a preferable scheme of the utility model, the cat ladder body comprises two upright rods which are arranged in parallel, and a plurality of stepping plates are arranged between the two upright rods. So that the maintenance personnel can enter and exit the pit of the well through the stepping plate between the two upright posts.

As a preferable scheme of the utility model, two mounting seats are oppositely arranged on the base, mounting clamping grooves are arranged on the mounting seats, inserting blocks matched with the mounting clamping grooves are arranged at the lower ends of the vertical rods, connecting pin holes are correspondingly arranged on the inserting blocks and the mounting seats, and fixing pins are arranged in the connecting pin holes. The hinge joint between the ladder stand body and the base is realized, and when the telescopic mechanism pushes or pulls the lower end of the ladder stand body, the ladder stand body can rotate relative to the base, so that the ladder stand body inclines in a well or contracts towards the inner wall of the well.

As a preferable scheme of the utility model, the telescopic mechanism comprises an electric cylinder, and a telescopic end of the electric cylinder is connected with the base. The electric cylinder operates stably and is sufficient in power, the switch of the electric cylinder is arranged at the entrance of the pit, so that an maintainer can operate the electric cylinder at the entrance of the pit, the inclination angle of the crawling ladder body can be changed, and the maintainer can conveniently enter and exit the pit through the crawling ladder body.

As a preferable scheme of the utility model, the bottom of the base is provided with a running wheel. Make the cat ladder on base and the base remove more convenient, more laborsaving, reduce electric cylinder's energy consumption, it is also that cat ladder body bottom removes more smoothly simultaneously, and the cat ladder body is difficult to appear leaning over.

The utility model provides an elevator well, includes the well body, well body pit is equipped with an elevator well cat ladder as above, well body lateral wall is equipped with the pit entry, cat ladder body upper end is set up the pit entry, telescopic machanism with well body inner wall links to each other.

According to the elevator shaft, when the elevator shaft needs to enter the pit, the telescopic mechanism pushes the base to move towards the inner side of the shaft, meanwhile, an maintainer holds the upper end of the ladder stand body, and under the drive of the base, the ladder stand body tilts, so that the maintainer can enter the pit through the tilted ladder stand body; after the maintenance is finished, the telescopic mechanism drives the base to move towards one side of the inner wall of the well, and simultaneously, maintenance staff holds the upper end of the crawling ladder body, so that the crawling ladder body approaches towards the inner wall of the well, and interference between the crawling ladder body and an elevator car is avoided.

As a preferable scheme of the utility model, two limiting rings are arranged on the pit inlet, the limiting rings are arranged in one-to-one correspondence with the vertical rods, and the upper ends of the vertical rods extend into the limiting rings. Carry out spacingly through the spacing ring to cat ladder body upper end, make cat ladder body upper end can only make the necessary swing and the slip that incline in-process required, avoid cat ladder body upper end to topple over in to the well, when the cat ladder body carries out the angle change promptly, its upper end does not need the maintainer to carry out manual righting, and is operated more portably.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

the utility model has simple structure and convenient operation, and utilizes the telescopic mechanism to change the inclination angle of the cat ladder body before and after maintenance, thereby ensuring that the inclination angle of the cat ladder body is suitable for maintenance personnel to go up and down when maintenance is finished, the cat ladder body approaches the inner wall of the well after the maintenance is finished, and the normal operation of the lift car in the well is not influenced.

Drawings

Fig. 1 is a front view of an elevator hoistway ladder of the present utility model;

FIG. 2 is an enlarged view at A in FIG. 1;

fig. 3 is a side view of an elevator hoistway ladder of the present utility model;

fig. 4 is a schematic view of the structure of an elevator hoistway of the present utility model;

the marks in the figure: the climbing ladder comprises a 1-climbing ladder body, 11-upright rods, 111-inserting blocks, 12-stepping plates, 13-pull rings, 2-bases, 21-running wheels, 3-telescopic mechanisms, 4-installation bases, 41-installation clamping grooves, 5-fixing pins, 6-hoistway bodies, 61-pit inlets and 7-limiting rings.

Detailed Description

The present utility model will be described in detail with reference to the accompanying drawings.

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Example 1

As shown in fig. 1, 2, 3 and 4, the elevator hoistway ladder according to this embodiment includes a ladder body 1, a base 2 is provided at the bottom of the ladder body 1, the ladder body 1 is hinged to the base 2, and the base 2 is connected with a telescopic mechanism 3 for pushing the base 2 to move.

When the ladder stand is used, the base 2 is placed at the bottom of the pit, the telescopic mechanism 3 is fixed with the inner wall of the well, and the upper end of the ladder stand body 1 is placed on the pit inlet 61; when the maintenance platform needs to enter the pit, the base 2 is pushed to move towards the inner side of the well through the telescopic mechanism 3, meanwhile, an maintainer holds the upper end of the crawling ladder body 1, and under the driving of the base 2, the crawling ladder body 1 tilts, so that the maintainer can enter the pit through the tilted crawling ladder body 1; after the maintenance is finished, the base 2 is driven to move to one side of the inner wall of the well by the telescopic mechanism 3, and meanwhile, maintenance staff holds the upper end of the crawling ladder body 1, so that the crawling ladder body 1 is close to the inner wall of the well, and interference between the crawling ladder body 1 and an elevator car is avoided.

Specifically, the ladder stand body 1 comprises two upright rods 11 which are arranged in parallel, and a plurality of tread plates 12 are arranged between the two upright rods 11, so that an maintainer can enter and exit a pit of a well through the tread plates 12 between the two upright rods 11.

Specifically, be equipped with two mount pads 4 relatively on the base 2, be equipped with installation draw-in groove 41 on the mount pad 4, the pole setting 11 lower extreme be equipped with the inserted block 111 of installation draw-in groove 41 adaptation, inserted block 111 with mount pad 4 corresponds and sets up the connection pinhole, set up fixed pin 5 in the connection pinhole, realized articulating between cat ladder body 1 and the base 2, when telescopic machanism 3 promotes or pulls cat ladder body 1 lower extreme, relative rotation takes place between cat ladder body 1 and the base 2 to take place to incline in the well, perhaps shrink to the well inner wall.

Specifically, telescopic machanism 3 includes electric cylinder, electric cylinder's flexible end with base 2 links to each other, and electric cylinder operation is stable, power is sufficient, sets up electric cylinder's switch in pit entry 61 department, and the maintainer of being convenient for is operated electric cylinder in pit entry 61 departments to change the inclination of cat ladder body 1, thereby the maintainer of being convenient for passes through cat ladder body 1 business turn over pit.

Further, the bottom of the base 2 is provided with the running wheels 21, so that the base 2 and the ladder stand body 1 on the base 2 can move more conveniently and more labor-saving, the energy consumption of the electric cylinder is reduced, and meanwhile, the bottom of the ladder stand body 1 moves more smoothly, and the ladder stand body 1 is not easy to fall off.

Example 2

As shown in fig. 1 and 4, this embodiment discloses an elevator hoistway, including a hoistway body 6, the pit of the hoistway body 6 is equipped with an elevator hoistway cat ladder as described in embodiment 1, the side wall of the hoistway body 6 is equipped with a pit entry 61, the upper end of the cat ladder body 1 is set up in the pit entry 61, and the telescopic mechanism 3 is connected with the inner wall of the hoistway body 6.

When the maintenance platform needs to enter the pit, the base 2 is pushed to move towards the inner side of the well through the telescopic mechanism 3, meanwhile, an maintainer holds the upper end of the crawling ladder body 1, and under the driving of the base 2, the crawling ladder body 1 tilts, so that the maintainer can enter the pit through the tilted crawling ladder body 1; after the maintenance is finished, the base 2 is driven to move to one side of the inner wall of the well by the telescopic mechanism 3, and meanwhile, maintenance staff holds the upper end of the crawling ladder body 1, so that the crawling ladder body 1 is close to the inner wall of the well, and interference between the crawling ladder body 1 and an elevator car is avoided.

Further, be equipped with two spacing rings 7 on the pit entry, spacing ring 7 with pole setting 11 one-to-one sets up, pole setting 11 upper end stretches into in the spacing ring 7, carry out spacingly to cat ladder body 1 upper end through spacing ring 7, make cat ladder body 1 upper end can only make the necessary swing and the slip that incline in-process required, avoid cat ladder body 1 upper end to topple over in the well, promptly when cat ladder body 1 carries out the angle change, its upper end does not need the maintainer to carry out manual righting, and it is simpler and more convenient to operate.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The utility model provides an elevator well cat ladder, its characterized in that, including cat ladder body (1), cat ladder body (1) bottom is equipped with base (2), cat ladder body (1) with base (2) are articulated, base (2) even have telescopic machanism (3) that are used for promoting base (2) removal, cat ladder body (1) include two parallel arrangement's pole setting (11), two be equipped with a plurality of flitch (12) between pole setting (11), base (2) are placed in the pit bottom, telescopic machanism (3) are fixed with the well inner wall, and the upper end of cat ladder body (1) is put on pit entry (61), be equipped with two mount pad (4) relatively on base (2), be equipped with on mount pad (4) install draw-in groove (41), pole setting (11) lower extreme be equipped with insert block (111) of mount pad (41) adaptation, insert block (111) with mount pad (4) correspond to set up and connect the pinhole, be equipped with in the connection pinhole, electric actuator (3) include that telescopic cylinder (21) link to each other with base (2).

2. An elevator hoistway, characterized by comprising a hoistway body (6), wherein the pit of the hoistway body (6) is provided with an elevator hoistway cat ladder according to claim 1, the side wall of the hoistway body (6) is provided with a pit inlet (61), the upper end of the cat ladder body (1) is erected at the pit inlet (61), and the telescopic mechanism (3) is connected with the inner wall of the hoistway body (6).

3. Elevator hoistway according to claim 2, characterized in that the pit entry (61) is provided with two stop collars (7), the stop collars (7) are arranged in a one-to-one correspondence with the uprights (11), and the upper ends of the uprights (11) extend into the stop collars (7).