Elevator leveling antiskid device
By designing the elevator flat anti-slip device, the motor drive system and the support rod brake arc plate are used to achieve stable braking of the traction wheel, solving the safety hazards of elevator slitting accidents, and ensuring the safety of passengers.
Patent Information
- Application Number
- CN202421690411.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-17
- Publication Date
- 2025-05-23
- Estimated Expiration
- 2034-07-17
AI Technical Summary
Existing elevators are prone to slipping accidents when they are aging or not maintained properly, which poses serious safety hazards.
An elevator flat layer anti-slip device is designed, which drives the moving block and the traction plate to move through the motor. The supporting rod and the brake arc plate are used to make the anti-slip bar come into contact or separate from the spindle, thereby achieving stable braking of the traction wheel.
It effectively prevents the elevator from slipping when the level floor, ensures the safety of passengers, simplifies the braking steps and improves the braking effect.
Smart Images

Figure CN222892856U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of elevators, in particular to an elevator leveling anti-skid device. Background Art
[0002] An elevator is a permanent transportation device that serves several specific floors in a building, with its car running on at least two rigid tracks that are perpendicular to the horizontal plane or inclined at an angle of less than 15° to the plumb line. The principle of a car elevator is a pulley block, with the car and counterweight hung on both ends of the pulley by steel wire ropes. The use of a car elevator relies on the motor to drive the traction wheel to rotate, drive the steel wire rope to move, and thus drive the position of the car and counterweight to change.
[0003] Existing elevator cars are prone to slipping accidents due to aging or inadequate maintenance, which poses a huge safety hazard and poses a serious threat to the lives of the people.
[0004] Therefore, there is a need for an elevator leveling anti-skid device that can stably brake the traction wheel to prevent the elevator from slipping during leveling and ensure the safety of passengers. Utility Model Content
[0005] In order to solve the above problems, the utility model proposes an elevator leveling anti-skid device, which has the advantages of stable braking and effectively preventing the elevator from slipping.
[0006] In order to achieve the above purpose, the utility model proposes the following specific solutions:
[0007] An elevator leveling anti-skid device comprises a bottom plate, a support plate is fixedly provided on the edge of the top surface of the bottom plate, a connecting hole is provided on one side wall of the support plate, a main shaft is movably inserted inside the connecting hole, a traction wheel is fixedly provided on one end of the main shaft, the traction wheel is located on one side of the support plate, a fixing plate is fixedly provided on the other side of the top surface of the bottom plate, a motor is fixedly provided on the top of the fixing plate, a rotating screw is fixedly provided on the middle of one side wall of the motor, a moving block is threadedly connected to the outer side of one end of the rotating screw, a connecting frame is fixedly provided on the middle of the top surface of the moving block, a connecting rod is fixedly provided on the inner wall of the connecting frame, and the connecting A traction plate is movably sleeved on the outside of the rod, and a second rotating hole is provided on the side wall of the upper end of the traction plate, and an L-shaped plate is movably sleeved on the inner side of the second rotating hole. A rotating groove is provided at one end of the L-shaped plate, and a rotating column is fixedly provided on the inner wall of the rotating groove. The rotating column is movably sleeved on the inner side of the second rotating hole, and a vertical plate is fixedly provided on the top surface of the bottom plate. The vertical plate is located on one side of the L-shaped plate, and a support rod is fixedly provided on the edge of one side wall of the vertical plate, and the support rod passes through the L-shaped plate, and a brake arc plate is fixedly provided on the other end of the L-shaped plate, and an anti-slip strip is fixedly provided on the inner wall of the brake arc plate, and the anti-slip strip fits tightly with the outer wall of the main shaft.
[0008] As a preferred technical solution of the elevator leveling anti-slip device of the present utility model, a threaded hole is provided in the middle of one side wall of the moving block, and the rotating screw rod is threadedly connected inside the threaded hole.
[0009] As a preferred technical solution of the elevator leveling anti-slip device of the present utility model, a first rotating hole is provided on the side wall at the lower end of the traction plate, and the connecting rod is movably sleeved inside the first rotating hole.
[0010] As a preferred technical solution of the elevator leveling anti-slip device of the present utility model, a third rotating hole is provided on one side wall of the L-shaped plate, and the support rod penetrates through the third rotating hole.
[0011] As a preferred technical solution of the elevator leveling anti-slip device of the present utility model, a first limiting disk is fixedly provided at one end of the support rod, and the first limiting disk is located on the other side of the L-shaped plate.
[0012] As a preferred technical solution of the elevator leveling anti-slip device of the present utility model, a second limiting disk is fixedly provided at one end of the rotating screw rod.
[0013] As a preferred technical solution of the elevator leveling anti-slip device of the present utility model, a limiting ring is fixedly sleeved on the outer wall of the main shaft, and the limiting ring is located on the other side of the support plate.
[0014] As a preferred technical solution of the elevator leveling anti-slip device of the present utility model, a plurality of anti-slip strips are provided.
[0015] Compared with the prior art, the present utility model has the following beneficial effects:
[0016] In the present utility model, the rotating screw rod is driven to rotate by the motor, driving the moving block to move along the rotating screw rod and driving the traction plate to move. Due to the supporting effect of the support rod on the side wall of the vertical plate on the middle section of the L-shaped plate, when the traction plate moves in different directions, one end of the L-shaped plate will be lifted or lowered, so that the anti-slip strip inside the braking arc plate is separated from or contacts the main shaft. When the anti-slip strip inside the braking arc plate contacts the main shaft, it can prevent the main shaft from rotating, so that the traction wheel stops rotating and the elevator stops moving. This solution can stably brake the traction wheel, prevent the elevator from slipping during leveling, and avoid danger. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to better describe the technical solution of the present utility model in detail, the present invention will be further described below in conjunction with the drawings and embodiments.
[0018] Figure 1 It is a three-dimensional view of the overall structure provided by the present utility model;
[0019] Figure 2 It is a three-dimensional sectional view of the present utility model;
[0020] Figure 3 A three-dimensional diagram of a vertical plate of the utility model;
[0021] Figure 4 For this utility model Figure 2 The enlarged schematic diagram of point A in the middle;
[0022] Figure 5 For this utility model Figure 2 The enlarged schematic diagram of point B in the middle;
[0023] Figure 6 For this utility model Figure 2 The enlarged schematic diagram of the center C;
[0024] Figure 7 For this utility model Figure 2 Enlarged schematic diagram of point D in the middle.
[0025] In the figure: 1, bottom plate; 11, support plate; 111, connecting hole; 12, fixing plate; 13, vertical plate; 131, support rod; 132, first limiting plate; 2, main shaft; 21, traction wheel; 22, limiting ring; 3, motor; 31, rotating screw; 311, second limiting plate; 32, moving block; 321, threaded hole; 322, connecting frame; 323, connecting rod; 33, traction plate; 331, first rotating hole; 332, second rotating hole; 34, L-shaped plate; 341, rotating groove; 342, rotating column; 343, third rotating hole; 35, brake arc plate; 351, anti-slip strip. DETAILED DESCRIPTION
[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example
[0027] See also Figure 1-7 As shown, the utility model provides the following technical solutions: an elevator leveling anti-skid device, comprising a base plate 1, a support plate 11 is fixedly provided on the top edge of the base plate 1, and the present solution uses the base plate 1 to support the overall result, and the support plate 11 is used to support the main shaft 2 to ensure the overall stability.
[0028] Reference Figure 1 , Figure 2 , Figure 4 , Figure 5 and Figure 7As shown, specifically, a fixing plate 12 is fixedly provided on the other side of the top surface of the bottom plate 1 for fixing the motor 3, and a motor 3 is fixedly provided on the top of the fixing plate 12 (the motor 3 is connected to the external power supply through a wire, and the opening and closing are controlled by the external power supply. The wire is not drawn in the figure. The way in which the motor 3 is connected to the power supply through a wire belongs to the prior art, so it is not described in detail), a rotating screw 31 is fixedly provided in the middle of one side wall of the motor 3, and is used to move the moving block 32 by rotating. A second limiting plate 311 is fixedly provided at one end of the rotating screw 31, and is used to prevent the moving block 32 from moving. The rotating screw 31 is separated from the rotating screw 31. A moving block 32 is threadedly connected to the outer side of one end of the rotating screw 31 for driving the traction plate 33 to move. A threaded hole 321 is provided in the middle of one side wall of the moving block 32 for moving the moving block 32. The rotating screw 31 is threadedly connected to the inner side of the threaded hole 321. A connecting frame 322 is fixedly provided in the middle of the top surface of the moving block 32 for connecting the traction plate 33. A connecting rod 323 is fixedly provided on the inner wall of the connecting frame 322 for facilitating the movement of the traction plate 33. The traction plate 33 is movably sleeved on the outer side of the connecting rod 323 for The end of the L-shaped plate 34 is driven to rise or fall. The lower end side wall of the traction plate 33 is provided with a first rotating hole 331 for facilitating the movement of the traction plate 33. The connecting rod 323 is movably sleeved inside the first rotating hole 331. The upper end side wall of the traction plate 33 is provided with a second rotating hole 332 for the traction plate 33 to move. The inner side of the second rotating hole 332 is movably sleeved with an L-shaped plate 34 for driving the brake arc plate 35 to rise or fall. One end of the L-shaped plate 34 is provided with a rotating groove 341 for the movable connection of the traction plate 33. The inner wall of the rotating groove 341 is fixed A rotating column 342 is fixedly provided to facilitate the movement of the traction plate 33. The rotating column 342 is movably sleeved on the inner side of the second rotating hole 332. A braking arc plate 35 is fixedly provided at the other end of the L-shaped plate 34 for braking the main shaft 2. An anti-slip strip 351 is fixedly provided on the inner wall of the braking arc plate 35 for increasing friction and better preventing the main shaft 2 from rotating. A plurality of anti-slip strips 351 are provided, and the anti-slip strips 351 fit tightly against the outer wall of the main shaft 2. This solution can brake the main shaft 2 and the traction wheel 21 in time to prevent the elevator from slipping when leveling, thereby ensuring the safety of the passengers.
[0029] Reference Figure 1 , Figure 2 , Figure 3 and Figure 6As shown, specifically, a vertical plate 13 is fixedly provided on the top surface of the bottom plate 1 for fixing a support rod 131, the vertical plate 13 is located on one side of the L-shaped plate 34, a support rod 131 is fixedly provided on the edge of one side wall of the vertical plate 13 for supporting the middle section of the L-shaped plate 34, the support rod 131 passes through the L-shaped plate 34, a third rotating hole 343 is provided on one side wall of the L-shaped plate 34 for facilitating the tilting and rotation of the L-shaped plate 34, the support rod 131 passes through the third rotating hole 343, a first limiting plate 132 is fixedly provided at one end of the support rod 131 for preventing the L-shaped plate 34 from slipping, the first limiting plate 132 is located on the other side of the L-shaped plate 34, the vertical plate 13 of this scheme can support the L-shaped plate 34 and share the torque during braking, thereby enhancing the reliability of the device.
[0030] Reference Figure 1 and Figure 2 As shown, specifically, a connecting hole 111 is provided on one side wall of the support plate 11 for connecting and rotating the main shaft 2, a main shaft 2 is movably inserted inside the connecting hole 111 for rotating the traction wheel 21, a traction wheel 21 is fixedly provided at one end of the main shaft 2 for driving the elevator to move up and down, the traction wheel 21 is located on one side of the support plate 11, a limiting ring 22 is fixedly sleeved on the outer wall of the main shaft 2 for preventing the main shaft 2 from being located, the limiting ring 22 is located on the other side of the support plate 11, and the main shaft 2 of this scheme can stop the elevator from moving up and down by stopping, thereby simplifying the braking steps and improving the braking effect.
[0031] The working principle and use process of this utility model:
[0032] During use, when the elevator is leveled, the car slips, and the speed detector detects that the main shaft 2 rotates abnormally. The motor 3 is started through the external controller (the speed detector and the external controller are existing technologies and are connected by wires, so they are not drawn in the figure). The motor 3 drives the rotating screw 31 to rotate, so that the moving block 32 moves along the rotating screw 31 toward the second limit plate 311, driving the traction plate 33 to move, and the upper end of the traction plate 33 pushes one end of the L-shaped plate 34 to rise, and the end of the L-shaped plate 34 connected to the brake arc plate 35 descends (the lower end of the traction plate 33 under the main shaft 2 pushes one end of the L-shaped plate 34 to descend, and the end of the L-shaped plate 34 connected to the brake arc plate 35 rises), so that the upper and lower brake arc plates 35 approach the main shaft 2, and the anti-slip strip 351 contacts the main shaft 2 to brake, so that the main shaft 2 and the traction wheel 21 stop rotating, and the elevator slips.
[0033] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. An elevator leveling anti-skid device, comprising a bottom plate (1), characterized in that: A support plate (11) is fixedly provided at the edge of the top surface of the bottom plate (1), a connecting hole (111) is provided at one side wall of the support plate (11), a main shaft (2) is movably inserted inside the connecting hole (111), a traction wheel (21) is fixedly provided at one end of the main shaft (2), the traction wheel (21) is located at one side of the support plate (11), a fixing plate (12) is fixedly provided at the other edge of the top surface of the bottom plate (1), a motor (3) is fixedly provided at the top of the fixing plate (12), a rotating screw rod (31) is fixedly provided at the middle of one side wall of the motor (3), a moving block (32) is threadedly connected at one end of the rotating screw rod (31), a connecting frame (322) is fixedly provided at the middle of the top surface of the moving block (32), a connecting rod (323) is fixedly provided at the inner wall of the connecting frame (322), and a traction plate (33) is movably sleeved on the outer side of the connecting rod (323), A second rotation hole (332) is provided on the side wall of the upper end of the traction plate (33), an L-shaped plate (34) is movably sleeved inside the second rotation hole (332), a rotation groove (341) is provided on one end of the L-shaped plate (34), a rotation column (342) is fixedly provided on the inner wall of the rotation groove (341), and the rotation column (342) is movably sleeved inside the second rotation hole (332), a vertical plate (13) is fixedly provided on the top surface of the bottom plate (1), the vertical plate (13) is located on one side of the L-shaped plate (34), a support rod (131) is fixedly provided on the edge of one side wall of the vertical plate (13), the support rod (131) passes through the L-shaped plate (34), a brake arc plate (35) is fixedly provided on the other end of the L-shaped plate (34), an anti-slip strip (351) is fixedly provided on the inner wall of the brake arc plate (35), and the anti-slip strip (351) is tightly fitted with the outer wall of the main shaft (2).
2. The elevator leveling anti-skid device according to claim 1, characterized in that: A threaded hole (321) is provided in the middle of one side wall of the moving block (32), and the rotating screw rod (31) is threadedly connected to the inner side of the threaded hole (321).
3. The elevator leveling anti-skid device according to claim 2, characterized in that: A first rotating hole (331) is provided on the side wall at the lower end of the traction plate (33), and the connecting rod (323) is movably sleeved inside the first rotating hole (331).
4. The elevator leveling anti-skid device according to claim 3, characterized in that: A third rotation hole (343) is provided on one side wall of the L-shaped plate (34), and the support rod (131) passes through the third rotation hole (343).
5. The elevator leveling anti-skid device according to claim 4, characterized in that: A first limiting plate (132) is fixedly provided at one end of the support rod (131), and the first limiting plate (132) is located at the other side of the L-shaped plate (34).
6. The elevator leveling anti-skid device according to claim 5, characterized in that: A second limiting plate (311) is fixedly provided at one end of the rotating screw rod (31).
7. The elevator leveling anti-skid device according to claim 6, characterized in that: A limiting ring (22) is fixedly sleeved on the outer wall of the main shaft (2), and the limiting ring (22) is located on the other side of the support plate (11).
8. The elevator leveling anti-skid device according to claim 7, characterized in that: The anti-slip strips (351) are provided in plurality.