Electric hoist mounting structure of electric hoist bridge crane

By installing two electric hoists on the main beam of the bridge crane and setting up a buffer structure between them, the problem of transporting long objects was solved and the stability and applicability of the equipment were improved.

CN223385756UActive Publication Date: 2025-09-26GUANGZHOU HONGHOU SHIPBUILDING CO LTD
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Patent Information

Application Number
CN202422903048.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-27
Publication Date
2025-09-26
Estimated Expiration
2034-11-27

AI Technical Summary

Technical Problem

Existing electric hoist bridge cranes have difficulty in transporting long objects, and a single electric hoist installation method is not sufficient to meet the needs.

Method used

Two electric hoists are installed on the main beam, and a traveler, lifter, buffer plate and plug-in plate structure are set in between. Buffering is provided by buffer pads and springs to prevent hard contact and enhance stability.

Benefits of technology

It achieves stable transportation of long objects, avoids damage to the electric hoist caused by hard contact, and improves the stability and applicability of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of electric hoists, particularly relates to an electric hoist mounting structure of an electric hoist bridge crane, and aims to solve the problem that a single electric hoist provided by the background technology is difficult to transport long objects, and adopts the following scheme that the electric hoist mounting structure comprises a main beam, and the electric hoists which are symmetrically distributed are mounted on the main beam; and a crane is arranged in the electric hoist, and an elevator is arranged at the bottom of the crane. The two electric hoists are installed on each main beam, the two electric hoists can be operated independently and can also be operated in an associated mode, the electric hoists are suitable for carrying and hoisting large-span heavy objects, the operation of the electric hoists is more stable, and the anti-collision structure is installed between the two electric hoists, so that the electric hoists are more stable. When the two electric hoists get close to each other, buffering can be achieved through the buffering pads and the springs, damage caused by hard contact is avoided, the male inserting plate and the female inserting plate can be attached to each other, and therefore the rebounding force of the two electric hoists is offset, and stability is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of electric hoists, in particular to an electric hoist installation structure of an electric hoist bridge crane. Background Art

[0002] An electric hoist, also known as an electric hoist, is a small, lightweight lifting device. It primarily consists of an electric motor, a transmission mechanism, and a drum or sprocket. It boasts a compact structure, light weight, and simple operation, making it widely used in industrial and mining enterprises, warehouses, and docks.

[0003] In the operation of bridge cranes, electric hoists are commonly used transportation equipment. When electric hoists are installed on the main beam, it is generally known that one electric hoist is installed on one main beam. However, although this installation method can meet the conventional operation requirements, it is more troublesome to transport some long objects, and the scope of application needs to be improved. Utility Model Content

[0004] In view of the deficiencies of the existing technology, the utility model provides an electric hoist installation structure for an electric hoist bridge crane, which overcomes the deficiencies of the existing technology and effectively solves the problem that it is difficult to transport long objects with a single electric hoist.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] An electric hoist mounting structure for an electric hoist bridge crane comprises a main beam, symmetrically distributed electric hoists are mounted on the main beam, a traveling device is disposed inside the electric hoist, a lift is disposed at the bottom of the traveling device, and symmetrically distributed axle pins are fixedly connected between the lift and the traveling device;

[0007] A symmetrically distributed top plate is welded to the outer wall of the top of the traveler, and a buffer plate is slidably connected between the two top plates. A buffer pad is bonded to the outer wall of one side of the buffer plate, and a spring is fixedly connected between the top plate and the buffer plate. A symmetrically distributed male plug plate and a female plug plate are respectively provided on the top of the two travelers.

[0008] Preferably, a sliding groove is provided on an outer wall of one side of the top plate, and the buffer plate is slidably connected to the inner wall of the sliding groove.

[0009] Preferably, the distance between the two male plug-ins is greater than the distance between the two female plug-ins.

[0010] Preferably, running wheels are provided on both sides of the inner wall of the traveling device, and the running wheels are slidably connected to the inner wall of the main beam.

[0011] Preferably, a rope is wound around the roller of the elevator, and a sling is installed on the outer wall of one end of the rope.

[0012] Preferably, a limit plate is welded to the outer wall of the bottom of the elevator.

[0013] The beneficial effects of the utility model are:

[0014] 1. The electric hoist installation structure of the electric hoist bridge crane designed in this paper has two electric hoists installed on each main beam. The two electric hoists can be operated independently or in conjunction with each other, which is suitable for carrying and lifting large-span heavy objects, making its operation more stable.

[0015] 2. The electric hoist installation structure of the electric hoist bridge crane designed in this paper is equipped with an anti-collision structure between the two electric hoists. When the two electric hoists approach each other, they can rely on buffer pads and springs for buffering to avoid damage caused by hard contact. The male plug-in plate and the female plug-in plate will fit together to offset the rebound force of the two electric hoists and improve stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of an electric hoist installation structure of an electric hoist bridge crane proposed in the utility model;

[0017] Figure 2 This is a schematic diagram of the crane connection structure of the electric hoist installation structure of the electric hoist bridge crane proposed in the utility model;

[0018] Figure 3 The utility model provides a schematic diagram of the electric hoist structure of the electric hoist installation structure of the electric hoist bridge crane.

[0019] In the figure: 1. Main beam; 2. Traveling device; 3. Lifter; 4. Axle pin; 5. Top plate; 6. Buffer plate; 7. Buffer pad; 8. Spring; 9. Male plug plate; 10. Female plug plate; 11. Traveling wheel; 12. Rope; 13. Hoist; 14. Limit plate. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0021] Example 1, refer to Figure 1 and Figure 3 An electric hoist installation structure of an electric hoist bridge crane includes a main beam 1, on which symmetrically distributed electric hoists are installed, and a traveling device 2 is arranged inside the electric hoist, and a lifter 3 is arranged at the bottom of the traveling device 2, and symmetrically distributed axle pins 4 are fixedly connected between the lifter 3 and the traveling device 2.

[0022] In this embodiment, two electric hoists are installed on each main beam 1. The two electric hoists can be operated independently or in conjunction with each other, and are suitable for transporting and lifting large-span heavy objects, making their operation more stable.

[0023] Example 2, refer to Figure 2 , an electric hoist installation structure of an electric hoist bridge crane, a symmetrically distributed top plate 5 is welded to the outer wall of the top of the traveling device 2, and a buffer plate 6 is slidably connected between the two top plates 5, a buffer pad 7 is bonded to the outer wall of one side of the buffer plate 6, and a spring 8 is fixedly connected between the top plate 5 and the buffer plate 6, and the tops of the two traveling devices 2 are respectively provided with symmetrically distributed male plug plates 9 and female plug plates 10.

[0024] In this embodiment, an anti-collision structure is installed between the two electric hoists. When the two electric hoists approach each other, they can rely on the buffer pad 7 and the spring 8 for buffering to avoid damage caused by hard contact, and the male plug plate 9 and the female plug plate 10 will fit together, thereby offsetting the rebound force of the two electric hoists and improving stability.

[0025] Reference Figure 2 A sliding groove is provided on the outer wall of one side of the top plate 5, and the buffer plate 6 is slidably connected to the inner wall of the sliding groove.

[0026] Reference Figure 2 The distance between the two male plug-ins 9 is greater than the distance between the two female plug-ins 10.

[0027] Reference Figure 1-2 Traveling wheels 11 are provided on both sides of the inner wall of the traveling device 2, and the traveling wheels 11 are slidably connected to the inner wall of the main beam 1.

[0028] Reference Figure 3 A rope 12 is wound around the roller of the elevator 3, and a sling 13 is installed on the outer wall of one end of the rope 12.

[0029] Reference Figure 3 A limiting plate 14 is welded to the outer wall of the bottom of the elevator 3 .

[0030] Working principle: Two electric hoists are installed on each main beam 1. The two electric hoists can be operated independently or in conjunction with each other, and are suitable for transporting and lifting large-span heavy objects. On this basis, anti-collision structures are set on the top of the two electric hoists to avoid damage caused by hard contact. During actual operation, the total weight of the two electric hoists cannot exceed the rated lifting capacity of the crane.

[0031] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An electric hoist mounting structure of an electric hoist bridge crane, comprising a main beam (1), characterized in that: The main beam (1) is equipped with symmetrically distributed electric hoists, and a traveler (2) is provided inside the electric hoist. A lifter (3) is provided at the bottom of the traveler (2), and symmetrically distributed axle pins (4) are fixedly connected between the lifter (3) and the traveler (2); A symmetrically distributed top plate (5) is welded to the outer wall of the top of the traveler (2), and a buffer plate (6) is slidably connected between the two top plates (5). A buffer pad (7) is adhered to the outer wall of one side of the buffer plate (6), and a spring (8) is fixedly connected between the top plate (5) and the buffer plate (6). A symmetrically distributed male plug plate (9) and a female plug plate (10) are respectively provided on the top of the two travelers (2).

2. The electric hoist installation structure of an electric hoist bridge crane according to claim 1, characterized in that: A sliding groove is provided on the outer wall of one side of the top plate (5), and the buffer plate (6) is slidably connected to the inner wall of the sliding groove.

3. The electric hoist installation structure of an electric hoist bridge crane according to claim 1, characterized in that: The distance between the two male plug boards (9) is greater than the distance between the two female plug boards (10).

4. The electric hoist installation structure of an electric hoist bridge crane according to claim 1, characterized in that: Traveling wheels (11) are provided on both sides of the inner wall of the traveling device (2), and the traveling wheels (11) are slidably connected to the inner wall of the main beam (1).

5. The electric hoist installation structure of an electric hoist bridge crane according to claim 1, characterized in that: A rope (12) is wound around the rotating roller of the elevator (3), and a sling (13) is installed on the outer wall of one end of the rope (12).

6. The electric hoist installation structure of an electric hoist bridge crane according to claim 1, characterized in that: A limiting plate (14) is welded to the outer wall of the bottom of the elevator (3).