CN219774050U - Safety cat ladder for elevator maintenance - Google Patents

Abstract

The utility model relates to a safety cat ladder for elevator maintenance, which comprises side ladder main frames, wherein a supporting frame is arranged between the side ladder main frames, a pedal plate is arranged on the supporting frame, a rotating opening is formed in the pedal plate, a limiting block is fixedly connected to the inner end of each side ladder main frame, a fixing seat is fixedly connected to the outer end of each side ladder main frame, mounting holes are formed in the fixing seat, a plurality of groups of side ladder main frames are arranged, connecting pieces are arranged between the side ladder main frames, connecting grooves matched with the connecting pieces are formed in the upper ends and the lower ends of the side ladder main frames, safety grooves are formed in the side ladder main frames, locking columns are fixedly connected in the safety grooves, the safety equipment can be replaced independently, is convenient to install and detach, ensures safety in use of workers through the pedal plate which can be contained, and is more convenient to use through a hanging structure of the safety equipment.

Description

Safety cat ladder for elevator maintenance

Technical Field

The utility model relates to the technical field of elevator overhaul, in particular to a safety cat ladder for elevator maintenance.

Background

With the continuous development of society, high-rise buildings are more and more, and the application of elevators matched with the high-rise buildings is more and more common, and in order to ensure the operation safety of the elevators, the elevators need to be overhauled and maintained frequently, workers need to enter an elevator shaft to work, and when entering an elevator shaft, a climbing ladder needs to be used.

At present, the majority of installation in the elevator well on the market is traditional cat ladder, usually a pair of pole setting and a plurality of horizontal pole cooperation are constituteed, the pole setting is welded on the well wall through fixed connection spare, the horizontal pole passes through the angle bar cooperation, make in the welding way pole setting, and in the elevator well dark moist, after long-time use, easily be corrosion, damage or wear, the workman has serious potential safety hazard when using the cat ladder this moment, need in time change, and this kind of mode is fixed through the cat ladder structure that welded fastening constitutes, be difficult to dismantle, and cat ladder structure as an organic whole, the dismouting is very troublesome when changing, moreover this kind of traditional cat ladder is in order to avoid interfering the operation of elevator, can reduce as far as possible, thereby reduce occupation space, consequently, be used for supporting workman's horizontal pole is thinner, be unfavorable for the battle and hold, the workman is not careful to be unstable the station and falls easily, there is the potential safety hazard, in addition, can prepare protective equipment, common protective equipment has the safety rope, and ordinary cat ladder has not to be used for placing the space of safety rope, only can hang the safety rope on the elevator, get into after getting into the well, convenient for use.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a safety cat ladder for elevator maintenance, which solves the problems in the prior art.

(II) technical scheme

In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a safe cat ladder for elevator maintenance, includes the side ladder body frame, be equipped with the support frame between the side ladder body frame, side ladder body frame and support frame fixed connection, be equipped with on the support frame and pedal the board, pedal and seted up the rotation mouth on the board, pedal the board through rotation mouth and support frame normal running fit, the inner fixed connection of side ladder body frame is equipped with the restriction piece, side ladder body frame outer end fixed connection is equipped with the fixing base, the mounting hole has been seted up on the fixing base, the side ladder body frame is provided with the multiunit, be equipped with the connecting piece between the side ladder body frame, the spread groove with connecting piece complex is all seted up to the lower extreme on the side ladder body frame.

Preferably, the safety groove is formed in the side ladder main frame, the lock columns are fixedly connected in the safety groove, the separation blocks are fixedly connected on the lock columns, the separation blocks are arranged in a plurality, are arranged at equal intervals, provide a region for hanging safety equipment, and are convenient for workers to use.

In a further preferred aspect, the two ends of the pedal are fixedly connected with toothed rings, the inner ends of the main frames of the side ladders are slidably connected with racks, and the racks are matched with the toothed rings, so that the pedal rotates together, is convenient to unfold and store, and is convenient for workers to use.

In a further preferred embodiment, a connecting plate is arranged between the racks, the upper end and the lower end of the connecting plate are fixedly connected with connecting hooks, and connecting holes matched with the connecting hooks are formed in the upper end and the lower end of the racks, so that the racks are combined together to enable the pedal to work synchronously.

In a further preferred embodiment, the upper end and the lower end of the connecting piece are respectively provided with an insertion plate, the connecting groove is provided with an insertion groove matched with the insertion plates, and the connecting piece and the connecting groove are detachably connected through a fixing bolt to improve the connection capability, so that the fixing is more stable.

In a further preferred aspect, the pedal plate is provided with a placement groove, and an anti-skid foot pad is arranged in the placement groove, so that the pedal is more stable.

In a further preferred aspect, the inner side of the main frame of the side ladder is fixedly connected with a handle, and the handle is provided with an anti-slip sleeve, so that the holding is more stable.

(III) beneficial effects

Compared with the prior art, the utility model provides a safety cat ladder for elevator maintenance, which has the following beneficial effects:

1. according to the utility model, the side ladder main frames are matched with the supporting frames to serve as main supporting structures, a plurality of groups of side ladder main frames are arranged, the side ladder main frames are conveniently fixed on the wall of a hoistway by the aid of the matching of the fixing seats and the mounting holes, the whole crawling ladder formed by splicing the plurality of sections of side ladder main frames can adapt to the installation and use requirements of elevator hoistways with different lengths, the adjacent side ladder main frames are detachably connected and fixed by the aid of the matching of the connecting pieces and the connecting grooves, and when a certain section of side ladder main frames or other structures are damaged, the section of side ladder main frames can be detached and independently replaced, the side ladder main frames of other roads are not influenced, the use of workers is facilitated, and the work safety is ensured.

2. Through setting up the cooperation of pedal, rotation mouth and restriction piece, make pedal around the support frame rotation, accomplish to accomodate and expand, when pedal accomodate, occupation space of equipment is the occupation space of side ladder body frame, does not influence the normal work of elevator, and the workman maintains the during operation and will pedal to expand, increases the area of being stepped on, the workman's of being convenient for stand, cooperates with the handle, makes the activity of workman on the cat ladder more stable, guarantees the safety of construction.

3. Through setting up the cooperation of ring gear and rack to connect into an organic wholely with multiunit rack through the cooperation of connecting plate, coupling hook and connecting hole, make the pedal that uses rotate in step, only need adjust a pedal and can make whole pedal expand or accomodate together, make things convenient for the workman to operate.

4. Through setting up safety groove and lock post cooperation, provide the structure that is used for hanging safety equipment, hang through pinning and supply safety equipment, restrict safety equipment to remove through the separate piece, separate the piece and divide into the multiunit with the safety groove for safety equipment's use when different positions, hang the position of establishing safety equipment and can change along with workman's removal, one person can accomplish work, makes things convenient for the workman to use, guarantees workman safety.

Drawings

Fig. 1 is a schematic diagram of a front structure of a safety ladder stand for elevator maintenance according to the present utility model;

FIG. 2 is a schematic view of the structure of the pedal plate of the utility model when being unfolded, which is matched with the main frame of the side ladder;

FIG. 3 is a schematic diagram of the cooperation structure of the main frame and the supporting frame of the side ladder in the utility model;

FIG. 4 is a schematic diagram of a rack and connecting plate mating structure according to the present utility model;

fig. 5 is a schematic view of a pedal structure according to the present utility model.

In the figure: 1. a side ladder main frame; 2. a support frame; 3. pedaling the pedal; 4. a rotating port; 5. a limiting block; 6. a fixing seat; 7. a mounting hole; 8. a connecting piece; 9. a connecting groove; 10. a safety groove; 11. locking a column; 12. a separation block; 13. a toothed ring; 14. a rack; 15. a connecting plate; 16. a connecting hook; 17. a connection hole; 18. an insertion plate; 19. an insertion groove; 20. a placement groove; 21. an anti-skid foot pad; 22. a grip; 23. an anti-skid sleeve.

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.

Example 1:

referring to fig. 1, 3 and 5, a safe cat ladder for elevator maintenance comprises side ladder main frames 1, wherein a support frame 2 is arranged between the side ladder main frames 1, the side ladder main frames 1 are fixedly connected with the support frame 2, a pedal plate 3 is arranged on the support frame 2, a rotating opening 4 is formed in the pedal plate 3, the pedal plate 3 is in rotating fit with the support frame 2 through the rotating opening 4, a limiting block 5 is fixedly connected with the inner end of the side ladder main frame 1, a fixing seat 6 is fixedly connected with the outer end of the side ladder main frame 1, mounting holes 7 are formed in the fixing seat 6, a plurality of groups of side ladder main frames 1 are arranged, connecting pieces 8 are arranged between the side ladder main frames 1, and connecting grooves 9 matched with the connecting pieces 8 are formed in the upper end and the lower end of the side ladder main frames 1.

Referring to fig. 3, in this embodiment, a safety groove 10 is formed on a main frame 1 of a side ladder, a lock column 11 is fixedly connected in the safety groove 10, a separation block 12 is fixedly connected on the lock column 11, a plurality of separation blocks 12 are arranged at equal intervals, a safety rope is buckled on the lock of the safety groove 10, a safety construction environment is provided for a worker, when the worker falls carelessly, the rope buckle of the safety rope slides along the lock column 11 and contacts with the separation block 12, the safety rope stops under the support of the separation block 12, the worker is pulled out through the safety rope, the construction safety of the worker is ensured, the separation block 12 divides the safety groove 10 into a plurality of parts, and the rope buckle is put from the separation block 12 on the upper part and moves to the separation block 12 on the lower part along with the falling of the worker, so that the movement of the worker is not affected.

Referring to fig. 2-5, in this embodiment, two ends of the pedal 3 are fixedly connected with toothed rings 13, racks 14 are slidably connected with inner ends of the main frame 1 of the side ladder, the racks 14 are matched with the toothed rings 13, connecting plates 15 are arranged between the racks 14, connecting hooks 16 are fixedly connected with upper and lower ends of the connecting plates 15, connecting holes 17 matched with the connecting hooks 16 are formed at the upper and lower ends of the racks 14, the connecting hooks 16 are inserted into the connecting holes 17 and fixed when the device is installed, a plurality of racks 14 are integrated through the connecting plates 15, the pedal 3 is rotated, the corresponding toothed rings 13 are matched with the racks 14 to enable the racks 14 to slide along the main frame 1 of the side ladder, if the pedal 3 is unfolded, the racks 14 can ascend, if the pedal 3 is stored, the racks 14 can descend, and when the racks 14 move, the racks 14 are matched with the toothed rings 13 at other positions to enable other pedals 3 to move together, and meanwhile, the pedal 3 is unfolded or stored.

Referring to fig. 1-3, in this embodiment, the upper and lower ends of the connecting member 8 are respectively provided with an insertion plate 18, the connecting slot 9 is provided with an insertion slot 19 matched with the insertion plate 18, the connecting member 8 is detachably connected with the connecting slot 9 through a fixing bolt, when the connecting member 8 is installed, the insertion plate 18 is aligned with the insertion slot 19 and inserted, the connecting member 8 is installed in the connecting slot 9, the connecting member 8 is fixed in the connecting slot 9 through the fixing bolt, and a plurality of connecting members 8 are connected together through the matching of the connecting member 8 and the insertion plate 18.

Referring to fig. 2 and 5, in the present embodiment, a placement groove 20 is formed on a pedal plate 3, an anti-slip foot pad 21 is disposed in the placement groove 20, a grip 22 is fixedly connected to the inner side of a main frame 1 of a side ladder, an anti-slip sleeve 23 is disposed on the grip 22, and during climbing, the anti-slip foot pad 21 is disposed on the pedal plate 3 to increase the friction coefficient of the pedal plate 3, improve the friction force of the steps, avoid the sliding of the feet of a worker, provide the grip 22 for the worker to hold, facilitate the movement of the worker, and the anti-slip sleeve 23 can increase the friction coefficient of the grip 22, improve the friction force of the hands, avoid the sliding of the worker, stabilize the climbing, and ensure safety.

Example 2:

referring to fig. 1 to 4, when installing the apparatus, a hole groove for installation is previously formed in a wall of an elevator hoistway, the side ladder main frame 1 is placed at an appropriate installation site, the fixing base 6 is covered on the previously formed groove, at this time, the installation hole 7 is aligned with the formed groove, the fixing base 6 is fixed on the wall in the elevator hoistway by inserting the installation bolt through the installation hole 7 into the corresponding hole groove, an appropriate number of the apparatus is installed as required, the adjacent side ladder main frames 1 are aligned, at this time, the adjacent connection grooves 9 are also aligned, the connection member 8 is installed, the insertion plate 18 is aligned with and inserted into the insertion groove 19, the connection member 8 is fitted into the connection groove 9 by the fixing bolt, wherein the installation bolt and the fixing bolt belong to common fixing parts, the structure and principle of the connecting piece are not repeated, the connecting piece 8 and the inserting plate 18 are matched, the inserting plate 18 simultaneously limits the adjacent side ladder main frames 1, the adjacent side ladder main frames 1 are tightly connected, after the fixing of the side ladder main frames 1 is completed, the connecting hooks 16 are inserted into the connecting holes 17 and are fixed, the adjacent racks 14 are integrated under the action of the connecting plates 15, when the structure on one side ladder main frame 1 is damaged, aged, corroded and the like, the connecting piece 8 and the connecting plates 15 at the upper end and the lower end of the side ladder main frame 1 are detached, the side ladder main frame 1 and parts thereof can be independently taken out after the fixing structure 7 is detached, and new side ladder main frame 1 equipment is replaced, and the connecting piece is installed according to the steps without operating other side ladder main frames 1.

Example 3:

referring to fig. 1 to 5, according to the above embodiment 2, when the apparatus is not used, the pedal 3 is in a storage state and stored between the side ladder main frames 1, the occupied space of the apparatus as a whole is small, the operation of the elevator is not affected, when the apparatus is used, the pedal 3 is rotated, the pedal 3 is engaged with the support frame 2 through the rotation opening 4, and rotates along the support frame 2, the support frame 2 supports the pedal 3 to keep it stable, the pedal 3 is engaged with the rack 14 through the corresponding toothed ring 13, the rack 14 slides along the side ladder main frames 1, if the pedal 3 is unfolded, the rack 14 is raised, if the rack 14 is lowered, when the rack 14 is moved, all the racks 14 are moved together through the connecting plate 15, and at this time the rack 14 is engaged with the toothed ring 13 at other positions, so that the other pedal 3 is moved together, and simultaneously the pedal 3 is unfolded or stored, the limiting block 5 can be contacted with the lower end of the pedal plate 3, namely the pedal plate 3 is not rotated and is in vertical state with the main frame 1 of the side ladder, so that the side ladder is used by workers, the workers wear protective equipment before climbing, wherein the protective equipment comprises safety ropes and related equipment, the equipment with the safety ropes can be purchased in the market, the structure is more common and is not repeated, a lock catch of the safety ropes is buckled on a lock of the safety groove 10, the environment for safe construction is provided for the workers, when the workers fall carelessly, the rope catch of the safety ropes can slide along the lock post 11 and is contacted with the separation block 12, the movement is stopped under the support of the separation block 12, the workers are pulled out through the safety ropes, the workers are prevented from falling, the construction safety of the workers is ensured, the separation block 12 divides the safety groove 10 into a plurality of parts, the installation positions of the rope catch are replaced along with the movement of the workers, the anti-skid shoe is buckled above a nearby proper separation block 12, one person can finish work, when climbing, the worker steps on the pedal plate 3 and holds the handle 22, the anti-skid shoe pad 21 is convenient to move and arranged on the pedal plate 3, the friction coefficient of the pedal plate 3 is increased, the friction force of the foot step is improved, the worker is prevented from sliding by feet, the friction coefficient of the handle 22 is increased by the anti-skid sleeve 23, the friction force of the hand is improved, the worker is prevented from sliding by hands, the climbing is stable, and the safety is ensured.

In all the above mentioned solutions, in which the connection between two components can be chosen according to the actual situation, a welded, bolt-and-nut-fitted connection, a bolt-or-screw connection or other known connection means, which are not described in detail herein, where reference is made to a written fixed connection, the preferred consideration is welding, although embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that numerous variations, modifications, substitutions and alterations can be made to these embodiments without departing from the principle and spirit of the utility model, the scope of which is defined by the appended claims and their equivalents.

Claims (7)

1. Safety cat ladder for elevator maintenance, including side ladder body frame (1), its characterized in that: be equipped with support frame (2) between side ladder body frame (1), side ladder body frame (1) and support frame (2) fixed connection, be equipped with on support frame (2) and pedal board (3), pedal and offered on board (3) and rotate mouth (4), pedal board (3) through rotating mouth (4) and support frame (2) normal running fit, side ladder body frame (1) inner fixed connection is equipped with restriction piece (5), side ladder body frame (1) outer end fixed connection is equipped with fixing base (6), mounting hole (7) have been seted up on fixing base (6), side ladder body frame (1) are provided with the multiunit, be equipped with connecting piece (8) between side ladder body frame (1), side ladder body frame (1) upper and lower ends all have seted up with connecting piece (8) complex spread groove (9).

2. A safety ladder for elevator maintenance according to claim 1, characterized in that: the side ladder is characterized in that a safety groove (10) is formed in the side ladder main frame (1), a lock column (11) is fixedly connected in the safety groove (10), a separation block (12) is fixedly connected to the lock column (11), and a plurality of separation blocks (12) are arranged at equal intervals.

3. A safety ladder for elevator maintenance according to claim 1, characterized in that: the pedal is characterized in that the two ends of the pedal plate (3) are fixedly connected with toothed rings (13), racks (14) are slidably connected with the inner ends of the side ladder main frames (1), and the racks (14) are matched with the toothed rings (13).

4. A safety ladder for elevator maintenance according to claim 3, characterized in that: a connecting plate (15) is arranged between the racks (14), connecting hooks (16) are fixedly connected to the upper end and the lower end of the connecting plate (15), and connecting holes (17) matched with the connecting hooks (16) are formed in the upper end and the lower end of the racks (14).

5. A safety ladder for elevator maintenance according to claim 1, characterized in that: the upper end and the lower end of the connecting piece (8) are respectively provided with an inserting plate (18), the connecting groove (9) is provided with an inserting groove (19) matched with the inserting plates (18), and the connecting piece (8) is detachably connected with the connecting groove (9) through a fixing bolt.

6. A safety ladder for elevator maintenance according to claim 1, characterized in that: the pedal plate (3) is provided with a placing groove (20), and an anti-skid foot pad (21) is arranged in the placing groove (20).

7. A safety ladder for elevator maintenance according to claim 6, characterized in that: the inner side of the side ladder main frame (1) is fixedly connected with a handle (22), and the handle (22) is provided with an anti-skid sleeve (23).