A protective device for elevator car maintenance and installation

Abstract

The utility model discloses an elevator car maintenance and installation protection device, which relates to the technical field of elevator car maintenance and protection, including a seat body, a traction device is fixedly connected to one side of the seat body, a shock-absorbing spring is fixedly connected to the front side of the seat body, a damper is connected to the inner side of the shock-absorbing spring, and a resistance plate is fixedly connected to the outer ends of the shock-absorbing spring and the damper, and the resistance plate is an arc-shaped structure, and a wiping pad is slidably connected to the resistance plate. The utility model adopts the above structure, and the safety rope on the traction device contacts the arc-shaped resistance plate to ensure a close fit between the safety rope and the safety rope, increase the contact area, prevent the safety rope from breaking, and reduce the damage to the safety rope caused by vibration or impact during the traction process. In addition, before use, the wiping pad can be driven to move by the push pad assembly to remove dust on the surface of the wiping pad, avoiding damage to the safety rope caused by excessive friction.

Description

Technical Field

[0001] The utility model belongs to the technical field of elevator car maintenance and protection, and particularly relates to an elevator car maintenance and installation protection device. Background Art

[0002] The vertical lift guides the car through a guide rail, and the car is equipped with an automatic door system for passengers to enter and exit and load and unload goods. However, during the long-term operation of the elevator, due to various factors such as load and service life, various faults may occur in the elevator car and its related components. At this time, professional maintenance personnel are required to inspect and repair. The Chinese patent with publication number CN219689044U discloses an elevator car maintenance and installation protection device, including a seat body, a top wall of the seat body is fixedly connected to a protection cabinet, a motor is arranged inside the protection cabinet, an output end of the motor is fixedly connected to a connecting column 2, an outer side wall of the connecting column 2 is fixedly connected to a connecting gear 1, and an outer side wall of the connecting gear 1 is meshedly connected to a connecting gear 2. The above technical solution still has some shortcomings: if only the push-pull plate is used to resist the elevator door, the seat body may slide, making the installation of the protection device unstable and the safety needs to be improved. In addition, the contact area between the safety rope on the traction device and the seat body is small. When impacted during the traction process, the safety rope will be worn and broken, which also reduces the safety of the protection device. Utility Model Content

[0003] In view of the problems mentioned in the background technology, the purpose of the utility model is to provide an elevator car maintenance and installation protection device to solve the problems in the background technology.

[0004] The above technical objectives of the utility model are achieved through the following technical solutions:

[0005] A protective device for maintenance and installation of an elevator car comprises a seat body, one side of the seat body is fixedly connected to a traction device, the front side of the seat body is fixedly connected to a shock-absorbing spring, the inner side of the shock-absorbing spring is connected to a damper, the outer ends of the shock-absorbing spring and the damper are fixedly connected to a contact plate, the contact plate is an arc-shaped structure, a wiping pad is slidably connected to the contact plate, one side of the wiping pad is fixedly connected to a push pad assembly, push-pull plates are slidably connected to both sides of the seat body, and reinforcement assemblies are fixedly connected to both sides of the traction device on the seat body.

[0006] As a preferred technical solution, the push pad assembly includes a fixed block, which is fixedly connected to the seat body on both sides of the traction device, and a guide rod is fixedly connected to the inner side of the fixed block, and a push plate is slidably connected to the guide rod, and the push plate is fixedly connected to the wiping pad.

[0007] As a preferred technical solution, a slot is provided at one end of the push plate, an insert block is inserted into the slot, one end of the insert block is fixedly connected to one end of the wiping pad, a locking rod is threadedly connected to one side of the push plate, and one side of the locking rod is threadedly connected to the inside of the insert block.

[0008] As a preferred technical solution, the reinforcement assembly includes a screw rod, which is threadedly connected to both sides of the seat body, one end of the screw rod is fixedly connected to a handle, the other end of the screw rod is rotatably connected to a fitting pad, the fitting pad is fixedly connected to an axle seat at one end close to the screw rod, one side of the screw rod is fixedly connected to the inner ring of the axle seat, both sides of the upper end of the fitting pad are fixedly connected to sliding rods, and one side of the sliding rod is slidably connected to the seat body.

[0009] As a preferred technical solution, a mounting groove is provided on one side of the seat body, one end of the shock absorbing spring and the damper are fixedly connected to an inner wall of one side of the mounting groove, and the wiping pad is movably connected to the mounting groove.

[0010] In summary, the utility model mainly has the following beneficial effects:

[0011] First, in the utility model, after the push-pull plate abuts against the elevator entrance, the handle is turned to drive the screw to move in a rotational direction on the seat body, so that the screw drives the fitting pad to move, so that the fitting pads on both sides are attached to the ground, increasing the sliding resistance, effectively preventing the protective device from shaking, and greatly improving the stability and safety of the protective device;

[0012] Second, in the utility model, a plurality of shock-absorbing springs and dampers are fixed on the seat plate, and the shock-absorbing springs and dampers are connected to the arc-shaped contact plate. The safety rope on the traction device contacts the arc-shaped contact plate to ensure a close fit between the safety rope and the contact plate, thereby increasing the contact area and preventing the safety rope from breaking. It can also reduce the damage to the safety rope caused by vibration or impact during the traction process. In addition, before use, the dust on the surface of the wiping pad can be removed by moving the wiping pad through the push pad assembly to avoid damage to the safety rope caused by excessive friction. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model;

[0014] Figure 2 It is a schematic diagram of a partial bottom view of the seat body of the utility model;

[0015] Figure 3 It is a schematic diagram of the connection structure of the wiping pad and the push pad assembly of the utility model;

[0016] Figure 4 This utility model Figure 2 A is an enlarged structural diagram of FIG.

[0017] Figure numerals: 1. seat body; 2. traction device; 3. contact plate; 4. shock-absorbing spring; 5. damper; 6. mounting groove; 7. wiping pad; 8. push pad assembly; 81. push plate; 82. slot; 83. insert block; 84. locking rod; 85. guide rod; 86. fixing block; 9. reinforcement assembly; 91. screw rod; 92. handle; 93. fitting pad; 94. shaft seat; 95. guide rod; 11. push-pull plate. DETAILED DESCRIPTION

[0018] Example

[0019] refer to Figures 1 to 4 The traction device 2 is fixedly connected to one side of the seat body 1, and the traction device 2 is connected to the safety rope. This structure is a prior art and will not be described in detail here. A shock-absorbing spring 4 is fixedly connected to the front side of the seat body 1, and a damper 5 is connected to the inner side of the shock-absorbing spring 4. The outer ends of the shock-absorbing spring 4 and the damper 5 are fixedly connected to a contact plate 3. The contact plate 3 is an arc structure, and a wiping pad 7 is slidably connected to the contact plate 3. A push pad assembly 8 is fixedly connected to one side of the wiping pad 7. Push-pull plates 11 are slidably connected to both sides of the seat body 1. A structure of driving the push-pull plate 11 is provided in the seat body 1, which is consistent with the existing structure and will not be repeated here. Reinforcement assemblies 9 are fixedly connected to both sides of the traction device 2 on the seat body 1. By setting the contact plate, the contact area between the safety rope and the seat body can be increased, the risk of the safety rope breaking due to excessive force on a single point is reduced, and the impact force of the safety rope is reduced, and the safety rope is effectively prevented from breaking, thereby significantly improving the safety of the device.

[0020] refer to Figure 1 and Figure 3 The push pad assembly 8 includes a fixed block 86, which is fixedly connected to the seat body 1 and located on both sides of the traction device 2. A guide rod 85 is fixedly connected to the inner side of the fixed block 86, and a push plate 81 is slidably connected to the guide rod 85. The push plate 81 is fixedly connected to the wiping pad 7. A slot 82 is provided at one end of the push plate 81, and an insert block 83 is inserted in the slot 82. One end of the insert block 83 is fixedly connected to one end of the wiping pad 7. A locking rod 84 is threadedly connected to one side of the push plate 81, and one side of the locking rod 84 is threadedly connected to the inside of the insert block 83. By setting the push pad assembly 8, the push plate 81 is pushed to make the guide rod 85 connected to the fixed block 86 slide, so that the push plate 81 drives the wiping pad 7 to move on the contact plate 3, which can remove dust on the surface, reduce friction resistance, and protect the safety rope. By rotating the locking rod 84 to make it leave the insert block 83, the wiping pad 7 is pulled to separate the insert block 83 from the slot 82, and the wiping pad 7 can be replaced regularly.

[0021] refer to Figure 1The reinforcing assembly 9 includes a screw 91, which is threadedly connected to both sides of the seat body 1, one end of the screw 91 is fixedly connected to a handle 92, and the other end of the screw 91 is rotatably connected to a fitting pad 93, and one end of the fitting pad 93 close to the screw 91 is fixedly connected to an axle seat 94, one side of the screw 91 is fixedly connected to the inner ring of the axle seat 94, and both sides of the upper end of the fitting pad 93 are fixedly connected to a sliding rod 95, and one side of the sliding rod 95 is slidably connected to the seat body 1; by setting the reinforcing assembly 9, rotating the handle 92 drives the screw 91 to rotate, and the screw 91 rotates on the fitting pad 93 through the axle seat 94. After the screw 91 moves, the fitting pad 93 will not rotate therewith, and the sliding rod 95 slides on the seat body 1, so that the fitting pad 93 can move downward to contact the ground, increase the sliding resistance, prevent the device from shaking, improve the safety of the device, and better protect the maintenance personnel.

[0022] refer to Figure 2 A mounting groove 6 is provided on one side of the seat body 1, one end of the shock-absorbing spring 4 and the damper 5 are fixedly connected to the inner wall of one side of the mounting groove 6, and the wiping pad 7 is movably connected to the mounting groove 6; by setting the mounting groove 6, the installation of the shock-absorbing spring 4 and the damper 5 is convenient, and it is also convenient for the resistance plate 3 to be flush with the seat body 1, which is convenient for the safety rope to pass through.

[0023] Principle and advantages of use: Move the protective device to the elevator entrance, turn the handle 92 to drive the screw 91 to rotate, and the screw 91 rotates on the fitting pad 93 through the shaft seat 94. After the screw 91 moves, the fitting pad 93 will not rotate accordingly, and the sliding rod 95 slides on the seat body 1, so that the fitting pad 93 can move downward to contact the ground, preventing the protective device from shaking and reducing safety hazards during operation. Push the push plate 81 to slide on the guide rod 85, so that the push plate 81 drives the wiping pad 7 to move on the arc plate to remove dust on the surface and reduce friction resistance. Then the staff hangs the safety rope, and the safety rope contacts the arc-shaped contact plate 3 to form a close fit, increasing the contact area, preventing the safety rope from breaking, and reducing the damage to the safety rope by vibration or impact during traction under the action of the shock-absorbing spring 4 and the damper 5.

Claims

1. An elevator car maintenance and installation protection device, comprising a seat body, characterized in that: A traction device is fixedly connected to one side of the seat body, a shock-absorbing spring is fixedly connected to the front side of the seat body, a damper is connected to the inner side of the shock-absorbing spring, a resistance plate is fixedly connected to the outer ends of the shock-absorbing spring and the damper, the resistance plate is an arc-shaped structure, a wiping pad is slidably connected to the resistance plate, a push pad assembly is fixedly connected to one side of the wiping pad, push-pull plates are slidably connected to both sides of the seat body, and reinforcement assemblies are fixedly connected to both sides of the traction device on the seat body.

2. An elevator car maintenance and installation protection device according to claim 1, characterized in that: The push pad assembly includes a fixed block, which is fixedly connected to the base body and located on both sides of the traction device. The inner side of the fixed block is fixedly connected to a guide rod, and a push plate is slidably connected to the guide rod. The push plate is fixedly connected to the wiping pad.

3. An elevator car maintenance and installation protection device according to claim 2, characterized in that: A slot is provided at one end of the push plate, an insert block is inserted into the slot, one end of the insert block is fixedly connected to one end of the wiping pad, a locking rod is threadedly connected to one side of the push plate, and one side of the locking rod is threadedly connected to the inside of the insert block.

4. The elevator car maintenance and installation protection device according to claim 1, characterized in that: The reinforcement component comprises a screw rod, which is threadedly connected to two sides of the seat body, one end of the screw rod is fixedly connected to a handle, and the other end of the screw rod is rotatably connected to a fitting pad.

5. An elevator car maintenance and installation protection device according to claim 4, characterized in that: One end of the fitting pad close to the screw is fixedly connected to a shaft seat, and one side of the screw is fixedly connected to the inner ring of the shaft seat.

6. An elevator car maintenance and installation protection device according to claim 4, characterized in that: Both sides of the upper end of the fitting pad are fixedly connected with sliding rods, and one side of the sliding rod is slidably connected to the seat body.

7. The elevator car maintenance and installation protection device according to claim 1, characterized in that: A mounting groove is provided on one side of the seat body, one end of the shock absorbing spring and the damper are fixedly connected to an inner wall of one side of the mounting groove, and the wiping pad is movably connected to the mounting groove.

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