Car stopping device for construction hoist

Abstract

The utility model discloses a car stopping device for a construction hoist, which relates to the technical field of construction hoists and comprises a cage and a controller, the lower surface of the cage is fixedly connected with a fixing block, the front surface of the cage is fixedly connected with a guide rail body, and the cage is fixedly connected with the controller. A first clamping groove is formed in the inner wall of the guide rail body, and a screw is rotationally connected into the first clamping groove. The guide rail body is slidably connected with the guide rail frame and driven by one or more motors, the motors transmit power to the winding drum after being decelerated through the speed reducer, and the power is transmitted to the winding drum through a driving device on the winding drum. The lifting cage is pulled by the steel wire rope to move up and down, the steel wire rope is wound on the winding drum, the lifting cage ascends or descends along the guide rail frame along with rotation of the winding drum, and if the lifting cage breaks down and falls down, the braking system is started through the controller.

Description

Technical Field

[0001] This utility model relates to the field of construction hoist technology, and in particular to a vehicle stop device for construction hoists. Background Technology

[0002] The vehicle stop device of a construction hoist is an important component for ensuring construction safety. It is used to prevent accidents such as derailment and slippage of the construction hoist basket during operation. It can effectively limit the movement range of the basket and prevent it from exceeding the safety limit, thereby protecting the safety of personnel and equipment. However, on some temporary construction sites, if the construction hoist is not equipped with an effective vehicle stop device, or if the vehicle stop device is malfunctioning and not repaired in time, an accident may lead to serious consequences such as the basket falling, personal injury, and equipment damage. Utility Model Content

[0003] (a) Technical problems to be solved

[0004] To address the shortcomings of existing technologies, this utility model provides a vehicle stop device for construction hoists, which solves the problem that if a construction hoist is not equipped with an effective vehicle stop device, or if the vehicle stop device malfunctions and is not repaired in time, serious consequences such as the hoist falling, personal injury, and equipment damage may occur in the event of an accident.

[0005] (II) Technical Solution

[0006] To achieve the above objectives, this utility model provides the following technical solution: a vehicle-stopping device for a construction hoist, comprising a cage and a controller. A fixing block is fixedly connected to the lower surface of the cage, and a guide rail body is fixedly connected to the front surface of the cage. The cage is fixedly connected to the controller. A slot 1 is formed in the inner wall of the guide rail body, and a screw is rotatably connected in the slot 1. Two limiting blocks are slidably connected in the slot 1, and both limiting blocks are threadedly engaged with the screw. A slot 2 is formed in the front surface of the fixing block, and a limiting strip is movably engaged in the slot 2. A slot 3 is formed in the lower surface of the fixing block. Two buffer pads are fixedly connected to the lower surface of the cage. A motor is fixedly installed on the right surface of the guide rail body, and the output shaft of the motor is fixedly connected to the screw.

[0007] As a preferred technical solution of this utility model, a connecting block is fixedly connected to the front surface of each of the two limiting blocks, a locking block is fixedly connected to the back of each of the two connecting blocks, and a braking block is fixedly connected to the back of each of the two locking blocks.

[0008] As a preferred embodiment of this utility model, the inner wall of the slot is fixedly connected to two connecting rods, and each of the two connecting rods is rotatably connected to a gear.

[0009] As a preferred technical solution of this utility model, the surface of the limiting strip is provided with two sets of limiting grooves, and the two sets of limiting grooves are respectively engaged with two gears.

[0010] As a preferred technical solution of this utility model, a second connecting rod is fixedly connected to the lower surface of each of the two connecting rods, and a second gear is rotatably connected to the surface of each of the two connecting rods. The two second gears mesh with each other. A card plate and a fixing plate are fixedly connected to the inner wall of the card slot three. A second motor is fixedly connected inside the fixing plate. The output shaft of the second motor is fixedly connected to the connecting rod two located on the left side of the two connecting rods.

[0011] (III) Beneficial Effects

[0012] 1. When the cage malfunctions and falls downwards, the braking system is activated by the controller. Once the motor receives the signal, its output shaft starts and drives the screw that is engaged with it to rotate. During the rotation of the screw, the two limit blocks that are threaded on it will move to the opposite side. During the movement of the two limit blocks, the two brake blocks will move together. At this time, the two brake blocks will squeeze against the guide rail frame to provide resistance, which will greatly reduce the falling speed of the cage, thereby protecting the safety of the equipment and personnel.

[0013] 2. Gear 2 meshes with another gear 2. At this time, the two gears 1 on them also rotate. During the relative rotation of the two gears 1, they will drive the limit strip that is engaged with them to move. The limit strip quickly extends and contacts the guide rail frame. By engaging with the guide rail frame, it provides additional resistance. This structure can reduce the risk of the cage falling and significantly improve the safety of the entire construction site. Attached Figure Description

[0014] The above description is only an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, the preferred embodiments of this utility model are described in detail below with reference to the accompanying drawings.

[0015] Figure 1 This is the overall structural diagram of the utility model;

[0016] Figure 2 This is a structural diagram of the guide rail body in this utility model;

[0017] Figure 3 This is a structural diagram of the fixing block in this utility model;

[0018] Figure 4 This is a structural diagram of the gear in this utility model.

[0019] Legend: 1. Hoist cage; 2. Controller; 3. Buffer pad; 4. Fixing block; 5. Guide rail body; 6. Motor 1; 7. Screw; 8. Limiting block; 9. Connecting block; 10. Locking block; 11. Braking block; 12. Locking slot 1; 13. Locking slot 2; 14. Limiting strip; 15. Motor 2; 16. Fixing plate; 17. Limiting groove; 18. Connecting rod 1; 19. Gear 1; 20. Connecting rod 2; 21. Gear 2; 22. Locking plate; 23. Locking slot 3. Detailed Implementation

[0020] This application provides a stopping device for construction hoists, effectively solving the problem that if a construction hoist is not equipped with an effective stopping device, or if the stopping device malfunctions and is not repaired in time, an accident may occur, resulting in serious consequences such as the hoist basket falling, personal injury, and equipment damage. When the hoist basket 1 malfunctions and falls downwards, the controller 2 activates the braking system. The motor 6 receives a signal and its output shaft starts to drive the screw 7, which is engaged with it, to rotate. During the rotation of the screw 7, the two limit blocks 8 threaded on it will move towards the opposite side. During the movement of the two limit blocks 8, the two brake blocks 11 will move together. At this time, the two brake blocks 11 will squeeze against the guide rail frame to provide resistance, greatly slowing down the falling speed of the hoist basket 1, thereby protecting the safety of the equipment and personnel.

[0021] Example

[0022] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the technical solution in this application embodiment effectively solves the problem that if the construction hoist is not equipped with an effective stopping device, or if the stopping device malfunctions and is not repaired in time, an accident may lead to serious consequences such as the hoist falling, personal injury, and equipment damage. The overall idea is as follows:

[0023] To address the problems existing in the prior art, this utility model provides a vehicle-stopping device for a construction hoist, including a cage 1 and a controller 2. A fixing block 4 is fixedly connected to the lower surface of the cage 1, and a guide rail body 5 is fixedly connected to the front surface of the cage 1. The cage 1 is fixedly connected to the controller 2. A slot 12 is formed on the inner wall of the guide rail body 5, and a screw 7 is rotatably connected in the slot 12. Two limiting blocks 8 are slidably connected in the slot 12, and both limiting blocks 8 are threadedly engaged with the screw 7. A second slot 13 is formed on the front surface of the fixing block 4, and a limiting strip is movably engaged in the second slot 13. 14. A slot 23 is provided on the lower surface of the fixing block 4. Two buffer pads 3 are fixedly connected to the lower surface of the cage 1. A motor 6 is fixedly installed on the right surface of the guide rail body 5. The output shaft of the motor 6 is fixedly connected to the screw 7. During use, the guide rail body 5 is slidably connected to the guide rail frame and driven by one or more motors. These motors are reduced in speed by a reducer and then the power is transmitted to the drum. The power is transmitted through the drive device on the drum and the wire rope pulls the cage 1 up and down. The wire rope is wound on the drum. As the drum rotates, the cage 1 rises or falls along the guide rail frame.

[0024] Two limiting blocks 8 are fixedly connected to connecting blocks 9 on their front surfaces. Two connecting blocks 9 are fixedly connected to locking blocks 10 on their back surfaces. Two locking blocks 10 are fixedly connected to braking blocks 11 on their back surfaces. Two connecting rods 18 are fixedly connected to the inner wall of the locking groove 23. Gears 19 are rotatably connected to the surfaces of the two connecting rods 18. If the cage 1 malfunctions and falls downwards, the braking system is activated by the controller 2. The motor 6 receives the signal and its output shaft starts to drive the screw 7 that is locked to it to rotate. During the rotation of the screw 7, the two limiting blocks 8 that are threaded on it will move to their back surfaces. During the movement of the two limiting blocks 8, the two braking blocks 11 will move together. At this time, the two braking blocks 11 will squeeze against the guide rail to provide resistance, greatly reducing the falling speed of the cage 1, thereby protecting the safety of the equipment and personnel.

[0025] The surface of the limiting strip 14 has two sets of limiting grooves 17, which are respectively engaged with two gears 19. Connecting rods 20 are fixedly connected to the lower surfaces of the two connecting rods 18, and gears 21 are rotatably connected to the surfaces of the two connecting rods 20. The two gears 21 mesh with each other. A locking plate 22 and a fixing plate 16 are fixedly connected to the inner wall of the locking groove 23. A motor 15 is fixedly connected inside the fixing plate 16. The output shaft of the motor 15 is fixedly connected to the left connecting rod 20 of the two connecting rods 20. During the start-up process of the motor 16, the motor 15 also receives signals and transmits them through the output shaft. The output shaft drives the connecting rod 20 fixed to it to rotate. During the rotation of the connecting rod 20, it will drive the gear 21 fixed to it to rotate. The gear 21 meshes with another gear 21. At this time, the two gears 19 set on them also rotate. During the relative rotation of the two gears 19, they will drive the limiting strip 14 that is engaged with them to move. The limiting strip 14 quickly extends and contacts the guide rail frame. By engaging with the guide rail frame, it provides additional resistance. This structure can reduce the risk of the cage 1 falling and significantly improve the safety of the entire construction site.

[0026] Working principle:

[0027] During use, the guide rail body 5 is slidably connected to the guide rail frame and driven by one or more motors. These motors are reduced in speed by a reducer and then the power is transmitted to the drum. The power is transmitted through the drive device on the drum and the wire rope pulls the cage 1 up and down. The wire rope winds on the drum, and as the drum rotates, the cage 1 rises or falls along the guide rail frame. If the cage 1 malfunctions and falls downwards, the braking system is activated by the controller 2. The motor 6 receives a signal and its output shaft starts to drive the screw 7, which is engaged with it, to rotate. During the rotation of the screw 7, the two limit blocks 8 threaded on it will move towards the opposite side. During the movement of the two limit blocks 8, the two brake blocks 11 will move together. At this time, the two brake blocks 11 will press against the guide rail frame to lift the cage. The structure provides resistance, significantly slowing down the descent speed of the cage 1, thereby protecting the safety of equipment and personnel. During the startup of motor 6, motor 2 also receives a signal and drives the connecting rod 20 fixed to it to rotate through the output shaft. During the rotation of connecting rod 20, it will drive the gear 21 fixed to it to rotate. Gear 21 meshes with another gear 21. At this time, the two gears 19 set on them also rotate. During the relative rotation of the two gears 19, they will drive the limiting strip 14 that is engaged with them to move. The limiting strip 14 quickly extends and contacts the guide rail frame, providing additional resistance by engaging with the guide rail frame. This structure can reduce the risk of the cage 1 falling and significantly improve the safety of the entire construction site.

[0028] Finally, it should be noted that the above embodiments are merely examples for clearly illustrating the present invention and are not intended to limit the implementation. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the protection scope of this invention.

Claims

1. A vehicle-stopping device for a construction hoist, comprising a cage (1) and a controller (2), characterized in that, A fixing block (4) is fixedly connected to the lower surface of the cage (1), and a guide rail body (5) is fixedly connected to the front surface of the cage (1). The cage (1) is fixedly connected to the controller (2). A slot (12) is opened on the inner wall of the guide rail body (5), and a screw (7) is rotatably connected in the slot (12). Among them, two limiting blocks (8) are slidably connected in the first slot (12), and both limiting blocks (8) are threadedly connected to the screw (7). The front surface of the fixing block (4) is provided with a second slot (13), and a limiting strip (14) is movably engaged in the second slot (13). The lower surface of the fixing block (4) is provided with a third slot (23), and two buffer pads (3) are fixedly connected to the lower surface of the cage (1).

2. The vehicle-stopping device for a construction hoist as described in claim 1, characterized in that: A motor (6) is fixedly installed on the right surface of the guide rail body (5); The output shaft of the motor (6) is fixedly connected to the screw (7).

3. The vehicle-stopping device for a construction hoist as described in claim 1, characterized in that: A connecting block (9) is fixedly connected to the front surface of each of the two limiting blocks (8), and a locking block (10) is fixedly connected to the back of each of the two connecting blocks (9); Both of the card blocks (10) have brake blocks (11) fixedly connected to their back sides.

4. A vehicle-stopping device for a construction hoist as described in claim 1, characterized in that: The inner wall of the card slot three (23) is fixedly connected to two connecting rods one (18); Among them, gears (19) are rotatably connected to the surfaces of both connecting rods (18).

5. A vehicle-stopping device for a construction hoist as described in claim 4, characterized in that: The limiting strip (14) has two sets of limiting grooves (17) on its surface; Among them, the two sets of limiting grooves (17) are respectively engaged with two gears (19).

6. A vehicle-stopping device for a construction hoist as described in claim 5, characterized in that: The lower surfaces of the two connecting rods (18) are fixedly connected to the connecting rods (20), and the surfaces of the two connecting rods (20) are rotatably connected to the gears (21); Among them, the two gears (21) mesh with each other, the inner wall of the slot (23) is fixedly connected with a card plate (22) and a fixing plate (16), the fixing plate (16) is fixedly connected with a motor (15), and the output shaft of the motor (15) is fixedly connected with the left connecting rod (20) of the two connecting rods (20).

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