CN221074071U - Vertical shaft crawling ladder of unit - Google Patents

Abstract

The utility model discloses a unit vertical shaft ladder in the technical field of hydropower development, which comprises a vertical shaft wall and a ladder, wherein a winding device is arranged on the vertical shaft wall, a safety rope is wound on the winding device, a lifting hook is arranged at the lower end of the safety rope, a safety belt hook is hooked on the lifting hook when a worker works, a locking component is arranged on the vertical shaft wall and used for locking the winding device, a driving wheel is rotatably arranged at one end of the vertical shaft wall, which is provided with the ladder, a driving wheel is rotatably arranged above the ladder and below the ladder, the upper driving wheel and the lower driving wheel are driven through a pull rope, the winding device is controlled to rotate by pulling the pull ropes at the left side and the right side of the ladder, so that the lifting hook descends or ascends, the safety belt hook and the lifting hook always keep a connection state in the whole process, the safety of the worker is ensured, and the operation is more convenient.

Description

Vertical shaft crawling ladder of unit

Technical Field

The utility model relates to the technical field of ship locks, in particular to a vertical shaft ladder of a unit.

Background

The hydropower station consists of a hydraulic system, a mechanical system, an electric energy generating device and the like, is a hydraulic junction project for realizing the conversion from water energy to electric energy, and the sustainability of electric energy production requires the uninterrupted utilization of water energy of the hydropower station;

In the operation and maintenance process of daily equipment, a worker needs to descend to the bottom of the unit vertical shaft, and the side edge of the unit vertical shaft is provided with a cat ladder for the worker to climb.

When the staff climbs on the cat ladder, need to hook the safety belt couple of wearing it on the cat ladder, the staff all need the repeated adjustment safety belt couple position when upwards climbing or climbing downwards, need earlier with its and cat ladder separation when adjusting the safety belt couple, it is fixed with the cat ladder again after adjusting the height next, the couple is in the empty state when changing safety belt couple position, the safety belt does not have the protective effect to the staff this moment, there is the potential safety hazard in the operation, the operation is not convenient enough simultaneously.

Based on the above, the utility model designs a vertical shaft ladder for a unit, so as to solve the problems.

Disclosure of Invention

The utility model aims to provide a vertical shaft ladder for a unit, which aims to solve the problem that the prior art has shortcomings in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a unit shaft cat ladder, includes shaft wall and cat ladder, the cat ladder is fixed to be set up at shaft wall surface, install the coiling mechanism on the shaft wall, it has the safety rope to coil on the coiling mechanism, the safety rope lower extreme is provided with the lifting hook, and the staff during operation is hooked on the lifting hook with the safety belt, be provided with locking subassembly on the shaft wall, locking subassembly is used for locking the coiling mechanism, the drive wheel is installed in the rotation of the one end that the cat ladder was installed to the shaft wall, and the top of cat ladder and the below of cat ladder all rotate and set up the drive wheel, drive through the stay cord between two upper and lower drive wheels, and the drive wheel that is located the cat ladder top is used for controlling the rotation of coiling mechanism, realizes the receive and release to the safety rope;

As a further scheme of the utility model, the locking component is a worm wheel and a worm, the worm wheel is fixedly arranged on the rotating shaft of the winding device, the worm meshed with the worm wheel is rotatably arranged on the upper surface of the shaft wall, and the driving wheel above the climbing ladder is driven by the worm through the driving group;

as a further scheme of the utility model, the driving wheel is provided with a concave groove, the pull rope is clamped in the concave groove, and the cross section of the concave groove is V-shaped;

As a further scheme of the utility model, convex teeth are fixedly arranged on the front side and the rear side of the concave groove, and a plurality of convex teeth are arranged on the side wall of the concave groove in a whole row around the circle center of the driving wheel;

As a further scheme of the utility model, the left side and the right side of the upper end and the lower end of the cat ladder are respectively provided with a supporting wheel, and the supporting wheels are used for outwards stretching the stay ropes;

As a further scheme of the utility model, the upper surface of the shaft wall is fixedly provided with a guide arm, and the safety rope passes through a guide hole formed in the guide arm;

Compared with the prior art, the utility model has the beneficial effects that:

This device is through surface mounting coiling mechanism on the wall of the shaft, and the coiling mechanism is used for rolling safety rope, and the lower extreme fixed mounting lifting hook of safety rope, the couple of safety belt can be connected with the lifting hook, and the staff just can control the rotation of coiling mechanism through the stay cord of pulling cat ladder left and right sides for the lifting hook descends or rises, and whole in-process safety belt couple and lifting hook remain connected state throughout, guarantee staff's safety, and it is also more convenient to operate simultaneously.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an enlarged schematic view of the portion A of FIG. 1;

FIG. 3 is an enlarged schematic view of the portion B of FIG. 1;

FIG. 4 is a schematic view of a partial structure of the present utility model;

FIG. 5 is a schematic diagram of the structure of the driving wheel in the utility model;

In the drawings, the list of components represented by the various numbers is as follows:

1. A shaft wall; 2. a ladder stand; 3. a winding device; 4. a safety rope; 5. a lifting hook; 6. a driving wheel; 7. a pull rope; 8. a worm wheel; 9. a worm; 10. a concave groove; 11. convex teeth; 12. a support wheel; 13. a guide arm;

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a unit shaft cat ladder, including shaft wall 1 and cat ladder 2, cat ladder 2 is fixed to be set up on shaft wall 1 surface, install coiling mechanism 3 on the shaft wall 1, it has safety rope 4 to coil on the coiling mechanism 3, the safety rope 4 lower extreme is provided with lifting hook 5, the staff during operation is hooked on lifting hook 5 with the safety belt, the one end rotation of cat ladder 2 is installed to shaft wall 1 installs drive wheel 6, the top of cat ladder 2 and the below of cat ladder 2 all rotate and set up drive wheel 6, drive through stay cord 7 between two drive wheels 6 from top to bottom, drive wheel 6 that is located the cat ladder 2 top is used for controlling the rotation of coiling mechanism 3, realize the receive and release to safety rope 4;

During working, a worker firstly fixes the hook of the safety rope 4 on the lifting hook 5, then the worker can start climbing downwards from the crawling ladder 2, in the process of climbing downwards, the worker can not continue descending after descending to a certain height due to the fact that the lifting hook 5 is fixed in height, if the lifting rope on the left side of the crawling ladder 2 is used for controlling the winding device 3 to pay out the safety rope 4 at this time, the worker can downwards pull the pull rope 7 on the left side of the crawling ladder 2 by hand, the driving wheel 6 positioned above the crawling ladder 2 is driven to rotate through the pull rope 7, the driving wheel 6 drives the winding device 3 to rotate, at this time, the length of the safety rope 4 separated from the winding device 3 is increased, then the worker can continuously descend, when the worker climbs upwards from the crawling ladder 2, only the pull rope 7 on the right side of the crawling ladder 2 is required to be pulled, the driving wheel 6 rotates to drive the winding device 3 to wind the safety rope 4, the locking component is used for locking the winding device 3, only the rotation of the driving wheel 6 can drive the winding device 3, when the worker climbs up and down on the crawling ladder 2, the lifting hook 5 can always be fixed with the lifting hook 5, and the worker can only need to adjust the height of the crawling ladder 2 at the same time.

In this embodiment, the locking component is worm wheel 8 and worm 9, and coiling mechanism 3 pivot fixed mounting has worm wheel 8, and shaft wall 1 upper surface rotates and is provided with worm 9 with worm wheel 8 meshing, and drive wheel 6 that is located cat ladder 2 top passes through the transmission of transmission group and worm 9, locks coiling mechanism 3 through the one-way self-locking nature between worm wheel 8 and worm 9, only can drive coiling mechanism 3 rotation when drive wheel 6 rotates and drive worm 9 and rotate.

In the embodiment, the driving wheel 6 is provided with a concave groove 10, the pull rope 7 is clamped in the concave groove 10, and the cross section of the concave groove 10 is V-shaped; the front side and the rear side of the concave groove 10 are fixedly provided with convex teeth 11, a plurality of convex teeth 11 are arranged on the side wall of the concave groove 10 around the circumference of the circle center of the driving wheel 6 in a whole row, and the pull ropes 7 are placed to slide in the concave groove 10, so that the safety of the whole device during operation is ensured.

In this embodiment, the left and right sides of cat ladder 2 upper end and lower extreme all is provided with supporting wheel 12, and supporting wheel 12 is used for outwards strutting stay cord 7, separates stay cord 7 and cat ladder 2's side, makes things convenient for the staff to go to pull stay cord 7.

In this embodiment, the upper surface of the shaft wall 1 is fixedly provided with a guide arm 13, and the safety rope 4 passes through a guide hole formed in the guide arm 13, so that the safety rope 4 is prevented from rubbing against the upper surface of the shaft wall 1.

Claims (6)

1. The utility model provides a unit shaft cat ladder, includes shaft wall (1) and cat ladder (2), and cat ladder (2) are fixed to be set up at shaft wall (1) surface, its characterized in that: install coiling mechanism (3) on shaft wall (1), the winding has safety rope (4) on coiling mechanism (3), safety rope (4) lower extreme is provided with lifting hook (5), and during operation of staff is hooked safety belt on lifting hook (5), be provided with locking subassembly on shaft wall (1), locking subassembly is used for locking coiling mechanism (3), drive wheel (6) are installed in the one end rotation of cat ladder (2) are installed to shaft wall (1), and the top of cat ladder (2) and the below of cat ladder (2) all rotate and set up drive wheel (6), transmit through stay cord (7) between two upper and lower drive wheels (6), and drive wheel (6) that are located cat ladder (2) top are used for controlling the rotation of coiling mechanism (3), realize the receive and release to safety rope (4).

2. A machine set shaft ladder according to claim 1, characterized in that: the locking assembly is a worm wheel (8) and a worm (9), the worm wheel (8) is fixedly arranged on a rotating shaft of the winding device (3), the worm (9) meshed with the worm wheel (8) is rotatably arranged on the upper surface of the vertical shaft wall (1), and a driving wheel (6) above the crawling ladder (2) is driven by the worm (9) through a driving group.

3. A machine set shaft ladder according to claim 1, characterized in that: the driving wheel (6) is provided with a concave groove (10), the pull rope (7) is clamped in the concave groove (10), and the cross section of the concave groove (10) is V-shaped.

4. A machine set shaft ladder according to claim 3, characterized in that: convex teeth (11) are fixedly arranged on the front side and the rear side of the concave groove (10), and a plurality of convex teeth (11) are arranged on the side wall of the concave groove (10) in a row around the circle center circumference of the driving wheel (6).

5. A machine set shaft ladder according to claim 1, characterized in that: the left side and the right side of cat ladder (2) upper end and lower extreme all are provided with supporting wheel (12), and supporting wheel (12) are used for outwards opening stay cord (7).

6. A machine set shaft ladder according to claim 1, characterized in that: the upper surface of the vertical shaft wall (1) is fixedly provided with a guide arm (13), and the safety rope (4) passes through a guide hole formed in the guide arm (13).