Novel hoist trolley

By adopting a toothed electric hoist structure in the hoist cart and using the gear rack and rack meshing transmission for movement, the problems of low movement accuracy and serious sliding phenomena in the prior art are solved, and higher movement accuracy and more stable lifting effect are achieved .

CN222433948UActive Publication Date: 2025-02-07TIANJIN ZEHAO MASCH CO LTD
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Patent Information

Application Number
CN202421319509.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-11
Publication Date
2025-02-07
Estimated Expiration
2034-06-11

AI Technical Summary

Technical Problem

The existing hoist trolley directly drives the moving wheel to rotate through the driving structure, resulting in low movement accuracy and easy sliding of the moving wheel, affecting the movement effect of the hoisting equipment.

Method used

The gear transmission electric hoist structure is adopted to move the hoist trolley through the meshing transmission of the gear rack to ensure the movement accuracy, and reduce sliding phenomenon through the coordination of the fixed rack and the driving gear.

Benefits of technology

Through tooth transmission, the movement accuracy of the hoist trolley is improved, the sliding phenomenon is reduced, and the movement effect of the hoisting equipment is significantly improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a novel hoist trolley which comprises a movable support and a pair of installation supports, the pair of installation supports are spliced together through a combination rod, the pair of installation supports are installed on the movable support in a buckled mode, and tooth transmission type electric hoist structures are installed on the pair of installation supports. The utility model relates to the technical field of hoist trolleys, and has the beneficial effects that the moving structure of the existing hoist trolley directly drives moving wheels to rotate through a driving structure so as to drive hoist hoisting equipment to move on a moving track, and the moving precision cannot be accurately controlled directly through the rotation of the moving wheels; and the moving wheels are easy to slide when rotating and moving, so that the moving effect is influenced.
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Description

Technical Field

[0001] The utility model relates to the technical field of hoist trolleys, in particular to a novel hoist trolley. Background Art

[0002] The trolley-type electric hoist, also known as the monorail electric hoist, is a light and small lifting equipment that moves along a track suspended in the air to lift heavy objects. It is widely used in ship processing. The mobile structure of the existing hoist trolley is to directly drive the moving wheel to rotate through the driving structure to drive the hoist lifting equipment to move on the moving track. The moving accuracy cannot be accurately controlled by directly rotating the moving wheel, and the moving wheel is prone to slipping when rotating, which affects the moving effect. Utility Model Content

[0003] To achieve the above purpose, the utility model is implemented through the following technical solutions: a new type of hoist trolley, including: a mobile bracket and a pair of mounting brackets, the pair of mounting brackets are spliced ​​together by a combination rod, the pair of mounting brackets are buckled on the mobile bracket, and the pair of mounting brackets are installed with a gear transmission type electric hoist structure;

[0004] The gear transmission electric hoist structure includes: two pairs of rotating shafts, two pairs of moving rollers, fixed racks, drive reducer, mobile drive motor, installation shaft, drive gear, connecting frame, reel, hook and reeling motor;

[0005] Two pairs of rotating shafts are embedded in the side walls of a pair of mounting brackets, two pairs of movable rollers are installed on the two pairs of rotating shafts, the lower ends of the two pairs of movable rollers are against the movable brackets, the fixed racks are installed on the lower wall of the movable brackets, the driving reducer is installed on one of the side walls of a pair of mounting brackets, the mobile driving motor is installed on the driving reducer, the output end of the mobile driving motor is connected with the input end of the driving reducer, the mounting shaft passes through the mounting bracket and is installed on the output end of the driving reducer, the driving gear is installed on the mounting shaft, the driving gear is meshed with the fixed rack, the connecting frame is installed on the combination rod, the reel is installed on the connecting frame, the hook is installed at the lower end of the steel rope of the reel, and the winding motor is installed on the side wall of the reel and connected to the central axis of the reel.

[0006] Preferably, two pairs of fixed side panels are mounted on a pair of mounting brackets.

[0007] Preferably, two pairs of anti-collision blocks are installed on the two pairs of fixed side panels.

[0008] Preferably, the driving reducer is mounted on the side wall surface of the mounting bracket by means of pins.

[0009] Preferably, the winding motor is mounted on the reel by means of fixing bolts.

[0010] Preferably, limiting protrusions are provided on the two pairs of movable rollers.

[0011] Beneficial Effects

[0012] The utility model provides a new type of hoist trolley, which has the following beneficial effects: this scheme uses a gear transmission electric hoist structure, changes the traditional roller direct drive movement mode, adopts gear rack meshing transmission to move the hoist trolley, and ensures the movement accuracy through meshing transmission, which solves the problem that the existing hoist trolley movement structure is to directly drive the moving wheel to rotate through the driving structure to drive the hoist lifting equipment to move on the moving track, the movement accuracy cannot be accurately controlled by directly rotating the moving wheel, and the moving wheel is prone to slip when rotating, affecting the movement effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional structural schematic diagram of a novel hoist trolley described in the utility model.

[0014] Figure 2 It is a side structural schematic diagram of a novel hoist trolley described in the utility model.

[0015] In the figure: 1-movable bracket; 2-mounting bracket; 3-combination rod; 4-rotating shaft; 5-movable roller; 6-fixed rack; 7-driving reducer; 8-movable driving motor; 9-mounting shaft; 10-driving gear; 11-connecting frame; 12-reel; 13-hook; 14-winding motor; 15-fixed side plate; 16-anti-collision block; 17-pin; 18-fixing bolt. DETAILED DESCRIPTION

[0016] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.

[0017] Example: See Figure 1-2 The utility model provides a technical solution: a new type of hoist trolley. Considering that the existing hoist trolley has a relatively simple driving structure, the trolley is moved by driving the roller to rotate by direct drive of the driving motor, but the moving accuracy is low and it is easy to slip during movement, which affects the lifting and movement of the equipment. Based on the above content, the following technical means are set in this case;

[0018] Specifically, the device at least includes a mobile bracket 1, a pair of mounting brackets 2, two pairs of rotating shafts 4, two pairs of moving rollers 5, a fixed rack 6, a driving reducer 7, a mobile driving motor 8, a rotating shaft 4, a driving gear 10, a connecting frame 11, a reel 12, a hook 13 and a reeling motor 14;

[0019] The mobile bracket 1 supports the entire equipment and ensures the movement of the equipment through its I-shaped structure. The installation bracket 2 installed on the outside of the mobile bracket 1 through the combination rod 3 cooperates with the mobile roller 5 installed thereon through the rotating shaft 4 to form a mobile structure, which is installed on the I-shaped structure of the mobile bracket 1. When the mobile drive motor 8 rotates, the driving reducer 7 is driven to reduce the speed and drive the driving gear 10 on the installation shaft 9 to rotate and combine into a mobile drive structure. The driving gear 10 is meshed with the fixed rack 6 to drive the mobile structure to move, thereby driving the reel 12 installed below through the connecting frame 11 to move, and then cooperates with the winding motor 14 and the hook 13 to lift and lift, so as to meet the mobile application of working conditions on ships.

[0020] To be more specific, two pairs of rotating shafts 4 are embedded in the side walls of a pair of mounting brackets 2, two pairs of moving rollers 5 are installed on the two pairs of rotating shafts 4, the lower ends of the two pairs of moving rollers 5 are against the moving bracket 1, the fixed rack 6 is installed on the lower wall of the moving bracket 1, the driving reducer 7 is installed on one of the side walls of a pair of mounting brackets 2, the mobile driving motor 8 is installed on the driving reducer 7, the output end of the mobile driving motor 8 is connected to the input end of the driving reducer 7, the mounting shaft 9 passes through the mounting bracket 2 and is installed on the output end of the driving reducer 7, the driving gear 10 is installed on the mounting shaft 9, the driving gear 10 is meshed with the fixed rack 6, the connecting frame 11 is installed on the combination rod 3, the reel 12 is installed on the connecting frame 11, the hook 13 is installed at the lower end of the steel rope of the reel 12, and the winding motor 14 is installed on the side wall of the reel 12 and is connected to the central axis of the reel 12.

[0021] In the specific implementation process, further, two pairs of fixed side plates 15 are installed on a pair of mounting brackets 2 .

[0022] In the specific implementation process, further, two pairs of anti-collision blocks 16 are installed on the two pairs of fixed side plates 15 to protect the movement of the equipment. When the hoist trolley moves to the end position of the mobile bracket 1, impact and shock absorption are performed to prevent damage to the equipment.

[0023] In the specific implementation process, further, the driving reducer 7 is installed on the side wall surface of the mounting bracket 2 through the pins 17.

[0024] In the specific implementation process, further, the winding motor 14 is installed on the reel 12 through the fixing bolts 18.

[0025] In the specific implementation process, further, limiting protrusions are provided on the two pairs of movable rollers 5 .

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A new type of hoist trolley, comprising: A mobile bracket (1) and a pair of mounting brackets (2), characterized in that the pair of mounting brackets (2) are spliced ​​together by a combination rod (3), the pair of mounting brackets (2) are buckled and mounted on the mobile bracket (1), and a gear transmission type electric hoist structure is installed on the pair of mounting brackets (2); The gear transmission electric hoist structure comprises: two pairs of rotating shafts (4), two pairs of moving rollers (5), a fixed rack (6), a driving reducer (7), a moving driving motor (8), a mounting shaft (9), a driving gear (10), a connecting frame (11), a reel (12), a hook (13) and a reeling motor (14); Two pairs of rotating shafts (4) are embedded in the side wall surfaces of a pair of mounting brackets (2), two pairs of moving rollers (5) are mounted on the two pairs of rotating shafts (4), the lower ends of the two pairs of moving rollers (5) are against the moving brackets (1), the fixed racks (6) are mounted on the lower wall surface of the moving brackets (1), the driving reducer (7) is mounted on one of the side wall surfaces of the pair of mounting brackets (2), the moving driving motor (8) is mounted on the driving reducer (7), and the output end of the moving driving motor (8) is connected to the input end of the driving reducer (7) The mounting shaft (9) passes through the mounting bracket (2) and is mounted on the output end of the driving reducer (7). The driving gear (10) is mounted on the mounting shaft (9). The driving gear (10) is meshed with the fixed rack (6). The connecting frame (11) is mounted on the assembly rod (3). The reel (12) is mounted on the connecting frame (11). The hook (13) is mounted on the lower end of the steel rope of the reel (12). The winding motor (14) is mounted on the side wall of the reel (12) and is connected to the central axis of the reel (12).

2. A novel hoist trolley according to claim 1, characterized in that: Two pairs of fixed side plates (15) are mounted on a pair of mounting brackets (2).

3. A novel hoist trolley according to claim 1, characterized in that: Two pairs of anti-collision blocks (16) are installed on the two pairs of fixed side plates (15).

4. A novel hoist trolley according to claim 1, characterized in that: The driving reducer (7) is mounted on the side wall surface of the mounting bracket (2) via a pin (17).

5. A novel hoist trolley according to claim 1, characterized in that: The winding motor (14) is mounted on the reel (12) via fixing bolts (18).

6. A novel hoist trolley according to claim 1, characterized in that: The two pairs of movable rollers (5) are provided with limiting protrusions.