Hoisting device convenient to maintain

Abstract

The utility model provides a hoisting device convenient to maintain, which relates to the field of hoisting devices, and is characterized in that the hoisting device comprises an installation box, a three-stage gear assembly and a brake disc, the appearance of the installation box is a cuboid, a cavity is arranged in the installation box, an upper hook is fixed at the upper end of the installation box, an electrical assembly is fixedly connected with the installation box, and the three-stage gear assembly is fixedly connected with the brake disc. The three-stage gear assembly is located in the mounting box, a chain connecting base is arranged on the side, close to the electrical assembly, of the three-stage gear assembly and is in transmission connection with the three-stage gear assembly through a gear set, a chain is connected into the chain connecting base in a wound mode, and a lower hook is fixed to the lower end of the chain. A gear box is arranged on the side, away from the electrical assembly, of the third-stage gear assembly, one end of the gear box is provided with a bearing and a rotating shaft and is in transmission connection with the third-stage gear assembly, and the two ends of the connecting shaft are connected with the gear box and the rotating shaft of the motor respectively. The utility model has the advantages that the device is convenient to maintain and use, and meanwhile, the cargo transporting and hoisting effect is improved.

Description

Technical Field

[0001] This utility model relates to the field of lifting devices, and in particular to a lifting device that is easy to maintain. Background Technology

[0002] In factory production activities, different lifting equipment is often needed to move corresponding workpieces into the next process, so as to realize the use of multiple processes and improve the overall processing quality and use effect of the workpieces. However, the existing lifting devices, especially small lifting devices, have a complex overall structure, which makes it inconvenient to maintain the internal structure. At the same time, the overall balance effect is poor, which makes it inconvenient to control the workpieces during transportation and cannot meet the current use needs. Utility Model Content

[0003] The purpose of this utility model is to provide a lifting device that is easy to maintain, which solves the technical problems of inconvenient maintenance and poor lifting effect of existing lifting devices, and achieves the technical effect of convenient device maintenance and improved overall lifting effect.

[0004] To achieve the aforementioned objectives, the technical solution adopted by this utility model is as follows:

[0005] A convenient-to-maintain lifting device includes a mounting box, a three-stage gear assembly, and a brake disc. The mounting box is rectangular in shape with an internal cavity. An upper hook is fixed to the top of the mounting box. Openings are located on both sides of the mounting box, and side mounting covers are detachably connected to the outer sides of the openings. A motor is fixed to the inner side of one of the side mounting covers. An electrical assembly is located on one side of the motor and is fixedly connected to the mounting box. The three-stage gear assembly is located inside the mounting box. A chain connecting seat is located on the side of the three-stage gear assembly near the electrical assembly. The chain connecting seat is connected to the gear set. The chain is connected to the three-stage gear assembly. A chain is wound inside the chain connector. The lower end of the mounting box has a slot in the middle. The chain passes through the slot and a hook is fixed at the lower end of the chain. A gearbox is located on the side of the three-stage gear assembly away from the electrical assembly. One end of the gearbox has a bearing and a shaft that is connected to the three-stage gear assembly. The gearbox is detachably connected to the mounting box. The brake disc is located on the side of the three-stage gear assembly closer to the motor. A connecting shaft is fixed inside the brake disc. The two ends of the connecting shaft are connected to the shafts of the gearbox and the motor, respectively.

[0006] As an improvement, a cover is fixed to the lower end of the mounting box. The cover is offset to one side of the lower hook. The interior of the cover has a cavity for accommodating the chain. The inner side of the side mounting cover has a heat dissipation opening for dissipating the heat generated by the internal machine operation.

[0007] As an improvement, a heat sink is provided on the side of the side mounting cover near the motor. The heat sink is detachably connected to the stator of the motor by bolts, and the heat sink is positioned directly opposite the heat dissipation opening.

[0008] As an improvement, a brake assembly is provided on the side of the gearbox away from the three-stage gear assembly. The brake assembly includes a control voltage protector and a brake. The brake is located on the side of the gearbox near the connecting shaft. The inner side of the brake has gears and a drive shaft that is connected to the connecting shaft. The voltage protector is located on one side of the brake and has wiring that is connected to the brake for control. The brake assembly is used to control the transmission of the motor.

[0009] As an improvement, the lower end of the brake assembly is provided with a locking block, which is detachably connected to the outer shell of the mounting box. The inner side of the locking block has a threaded hole, and a controller is provided below the locking block. The upper end of the controller is fixed with a flexible hose that is connected to the mounting box through the locking block. The hose contains multiple control circuits that are connected to the electrical assembly.

[0010] The beneficial effects of this utility model are as follows: by setting up the installation box and side mounting cover, the installation and disassembly of the device as a whole are facilitated, and the internal maintenance is also facilitated. By setting up the three-stage gear assembly and chain connecting seat, the control of the chain is facilitated. In conjunction with the cover device, the device can be effectively balanced, improving the overall lifting effect. By setting up the brake assembly, the overall control effect of the device can be further improved, making it convenient to use. Attached Figure Description

[0011] Figure 1 This is a perspective view of a lifting device that is easy to maintain according to the present invention;

[0012] Figure 2 This is a front view of a lifting device that is easy to maintain according to this utility model;

[0013] Figure 3 This is an exploded structural diagram of a lifting device that is easy to maintain according to this utility model.

[0014] Figure 4 This is a perspective view of the transmission structure of a lifting device that is easy to maintain according to this utility model.

[0015] In the diagram: 1. Mounting box; 2. Side mounting cover; 3. Lower hook; 4. Controller; 5. Cover; 6. Upper hook; 7. Three-stage gear assembly; 8. Gearbox; 9. Connecting shaft; 10. Brake disc; 11. Brake assembly; 12. Chain connector; 13. Motor; 14. Heat sink; 15. Electrical assembly; 16. Locking block. Detailed Implementation

[0016] To make the content of this utility model easier to understand, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of this utility model. Identical components are represented by the same reference numerals. It should be noted that the terms "front," "rear," "left," "right," "up," and "down" used in the following description refer to directions in the accompanying drawings, while the terms "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.

[0017] like Figures 1 to 4 As shown, a convenient-to-maintain lifting device includes a mounting box 1, a three-stage gear assembly 7, and a brake disc 10. The mounting box 1 is rectangular in shape with an internal cavity. An upper hook 6 is fixed to the upper end of the mounting box 1. The mounting box 1 has openings on both sides, and side mounting covers 2 are detachably connected to the outer sides of the openings. A motor 13 is fixed to the inner side of one side of the side mounting cover 2. An electrical assembly 15 is located on one side of the motor 13 and is fixedly connected to the mounting box 1. The three-stage gear assembly 7 is located inside the mounting box 1. A chain connecting seat 12 is located on the side of the three-stage gear assembly 7 near the electrical assembly 15. The chain connecting seat 12... The gear set is connected to the three-stage gear assembly 7. A chain is wound inside the chain connector 12. The lower end of the mounting box 1 has a slot in the middle, through which the chain passes. A hook 3 is fixed to the lower end of the chain. A gearbox 8 is located on the side of the three-stage gear assembly 7 away from the electrical assembly 15. One end of the gearbox 8 has a bearing and a shaft that is connected to the three-stage gear assembly 7. The gearbox 8 is detachably connected to the mounting box 1. The brake disc 10 is located on the side of the three-stage gear assembly 7 closer to the motor 13. A connecting shaft 9 is fixed inside the brake disc 10. The two ends of the connecting shaft 9 are connected to the gearbox 8 and the shaft of the motor 13, respectively. The outer side of the mounting box 1 has a heat dissipation protective plate. The upper end of the heat dissipation protective plate has multiple sets of heat dissipation grooves made of metal.

[0018] The lower end of the mounting box 1 is fixed with a cover 5, which is offset to one side of the lower hook 3. The cover 5 has an internal cavity for accommodating the chain. The inner side of the side mounting cover 2 has a heat dissipation opening to dissipate the heat generated by the internal machine operation. A heat dissipation shroud 14 is provided on the side of the side mounting cover 2 near the motor 13. The heat dissipation shroud 14 is detachably connected to the stator of the motor 13 by bolts, and the heat dissipation shroud 14 is positioned directly opposite the heat dissipation opening. The inner side of the side mounting cover 2 has multiple sets of reinforcing ribs to improve the structural strength of the side mounting cover 2 and facilitate the installation and positioning of the brake assembly 11 and the motor 13.

[0019] A brake assembly 11 is located on the side of the gearbox 8 away from the three-stage gear assembly 7. The brake assembly 11 includes a control voltage protector and a brake. The brake is located on the side of the gearbox 8 near the connecting shaft 9. The inner side of the brake has gears and a transmission shaft that is connected to the connecting shaft 9. The voltage protector is located on one side of the brake and has wiring connected to the brake control. The brake assembly 11 is used to control the transmission of the motor 13. A locking block 16 is located at the lower end of the brake assembly 11. The locking block 16 is detachably connected to the outer shell of the mounting box 1. The inner side of the locking block 16 has a threaded hole. A controller 4 is located below the locking block 16. A flexible hose is fixed to the upper end of the controller 4 and connects to the mounting box 1 through the locking block 16. The hose contains multiple control circuits that connect to the electrical assembly 15. The electrical assembly 15 can be equipped with a signal remote control module for convenient remote control by the operator.

[0020] When in use, the operator can hang the upper hook 6 on the corresponding installation position, and then set up the power line. After that, the operator can use the controller 4 to input the corresponding working command to the motor 13 inside the device. When the motor 13 runs, the connecting shaft 9 will transmit the corresponding power to the gearbox 8. After the gearbox 8 changes speed, it will be transmitted to the three-stage gear assembly 7. After the second speed change, the power will be transmitted to the chain connecting seat 12. At this time, it will drive the chain to move up and down. When locking is required, the brake assembly 11 and the brake disc 10 will slow down and lock the movement of the chain to ensure the stable placement of the workpiece during transportation.

[0021] The above description is only a preferred embodiment of this utility model patent and is not intended to limit this utility model patent. Any modifications, equivalent substitutions and improvements made within the spirit and principles of this utility model patent should be included within the protection scope of this utility model patent.

Claims

1. A lifting device that is easy to maintain, characterized in that, The assembly includes a mounting box (1), a three-stage gear assembly (7), and a brake disc (10). The mounting box (1) is rectangular in shape and has an internal cavity. An upper hook (6) is fixed to the upper end of the mounting box (1). The mounting box (1) has openings on both sides, and a side mounting cover (2) is detachably connected to the outer side of the opening. A motor (13) is fixed to the inner side of one side of the side mounting cover (2). An electrical assembly (15) is provided on one side of the motor (13). The electrical assembly (15) is fixedly connected to the mounting box (1). The three-stage gear assembly (7) is located inside the mounting box (1). A chain connecting seat (12) is provided on the side of the three-stage gear assembly (7) near the electrical assembly (15). The chain connecting seat (12) is connected to the three-stage gear assembly (7) through the gear set. The gear assembly (7) is connected to the drive. The chain is wound inside the chain connector (12). The lower end of the mounting box (1) has a slot in the middle. The chain passes through the slot. The lower end of the chain is fixed with a hook (3). The three-stage gear assembly (7) is provided with a gearbox (8) on the side away from the electrical assembly (15). One end of the gearbox (8) is equipped with a bearing and a shaft and is connected to the three-stage gear assembly (7) for transmission. The gearbox (8) is detachably connected to the mounting box (1). The brake disc (10) is located on the side of the three-stage gear assembly (7) close to the motor (13). The inner side of the brake disc (10) is fitted with a connecting shaft (9). The two ends of the connecting shaft (9) are respectively connected to the shaft of the gearbox (8) and the shaft of the motor (13).

2. The lifting device for easy maintenance according to claim 1, characterized in that, The lower end of the mounting box (1) is fixed with a cover (5), which is offset to one side of the lower hook (3). The cover (5) has a cavity inside for accommodating the chain. The inner side of the side mounting cover (2) has a heat dissipation opening for dissipating the heat generated by the internal machine operation.

3. The lifting device for easy maintenance according to claim 2, characterized in that, The side mounting cover (2) is provided with a heat sink (14) on the side near the motor (13). The heat sink (14) is detachably connected to the stator of the motor (13) by bolts. The heat sink (14) is positioned directly opposite the heat dissipation opening.

4. The lifting device for easy maintenance according to claim 1, characterized in that, A brake assembly (11) is provided on the side of the gearbox (8) away from the three-stage gear assembly (7). The brake assembly (11) includes a control voltage protector and a brake. The brake is located on the side of the gearbox (8) near the connecting shaft (9). The inner side of the brake has a gear and a transmission shaft that is connected to the connecting shaft (9) for transmission. The voltage protector is located on one side of the brake and has a line that is connected to the brake for control. The brake assembly (11) is used to control the transmission of the motor (13).

5. The lifting device for easy maintenance according to claim 4, characterized in that, The lower end of the brake assembly (11) is provided with a locking block (16), which is detachably connected to the outer shell of the mounting box (1). The inner side of the locking block (16) has a threaded hole, and a controller (4) is provided below the locking block (16). The upper end of the controller (4) is fixed with a hose that is connected to the mounting box (1) through the locking block (16). The hose has multiple control circuits inside that are connected to the electrical assembly (15).

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