Double-layer winding standard headroom electric hoist

Abstract

The utility model relates to a double -layer winding standard clearance electric hoist, include: main beam, driving trolley is used for driving main beam along track movement, driven trolley is used for assisting main beam along track movement, hoisting device, it includes hoisting motor, speed reducer, hoisting support, hoisting drum, steel wire rope and pulley, hoisting motor and speed reducer connect hoisting drum, and the end of steel wire rope is fixed on hoisting drum through rope clamp, and steel wire rope is wound and forms inside and outside two layers on hoisting drum, is first layer steel wire rope and second layer steel wire rope respectively, first layer steel wire rope is located in the inner layer of second layer steel wire rope, and the steel wire rope between first layer steel wire rope and second layer steel wire rope is wound through pulley, the utility model discloses double -layer winding standard clearance electric hoist should, utilize steel wire rope double -layer winding mode, and only one steel wire rope is used in winding part, and overload shaft removes from the original rope end position to the trolley and main beam connection position, and this structure can greatly increase hoisting efficiency.

Description

Technical Field

[0001] This utility model relates to the field of electric hoist technology, and in particular to a double-layer winding standard headroom electric hoist. Background Technology

[0002] An electric hoist is a special lifting device that is installed on overhead cranes and gantry cranes. Electric hoists are characterized by their small size, light weight, simple operation, and ease of use. They are suitable for various material transfer locations such as machining, assembly, and warehousing.

[0003] When using a traditional European-style single-beam standard overhead hoist for high lifting speeds or heights, the rope winding ratio needs to be adjusted. Due to structural limitations, the traditional standard overhead hoist requires balancing forces on both sides, necessitating a rope winding ratio of at least 2 / 1. When the user requires high lifting speeds, high lifting heights, and operation in confined spaces, the length L=1200mm of a 3t 18m traditional standard overhead hoist becomes very restrictive in narrow lateral sections. In such cases, the traditional standard overhead hoist struggles to meet the user's requirements. Utility Model Content

[0004] Therefore, the technical problem to be solved by this utility model is to overcome the fact that in some confined spaces or in situations where the lifting height of the object needs to be increased, the electric chain hoist can no longer meet the lifting requirements.

[0005] To solve the above-mentioned technical problems, this utility model provides a double-layer winding standard headroom electric hoist, comprising: a main beam; an active trolley mounted on the main beam for driving the main beam to move along a track; a driven trolley mounted on the main beam for assisting the main beam to move along the track; and a lifting device mounted on the main beam, the lifting device including a lifting motor, a reducer, a lifting bracket, a lifting drum, a wire rope, and pulleys, wherein the lifting bracket and the main beam are located on one side of the track. The hoisting motor, reducer, and hoisting drum are all mounted on the hoisting support. The shaft of the hoisting motor is connected to the input end of the reducer, and the output end of the reducer is connected to the hoisting drum. The end of the wire rope is fixed to the hoisting drum by a rope clamp, and the wire rope is wound on the hoisting drum to form two layers, namely a first layer and a second layer. The first layer of wire rope is located inside the second layer of wire rope, and the wire rope between the first layer and the second layer of wire rope is wound around a pulley. This utility model of a double-layer wound standard headroom electric hoist improves the structure of traditional standard headroom hoists, meets customers' requirements for high lifting speed, high lifting height, and increased lifting range in confined spaces, achieves rapid lifting and lowering of the hoist, and provides a stable, reliable, and durable product, thereby improving enterprise competitiveness.

[0006] In one embodiment of this utility model, a hook is connected to the pulley.

[0007] In one embodiment of the present invention, the lifting device further includes a first rope guide and a second rope guide. The first rope guide is sleeved on the outside of the first layer of wire rope, and the second rope guide is sleeved on the outside of the second layer of wire rope. The first rope guide is used to guide the first layer of wire rope, and the second rope guide is used to guide the second layer of wire rope.

[0008] In one embodiment of this utility model, a counterweight is provided on the side of the main beam opposite to the side where the lifting support is provided, and the counterweight is used to balance the lifting device.

[0009] In one embodiment of this utility model, the active running trolley includes a first frame, an active motor, an active wheel, a driven wheel, and a plurality of first rollers. The active motor is mounted on the first frame. The active wheel is connected to the shaft of the active motor. The active wheel meshes with the driven wheel. The shaft of the driven wheel and the first frame are both connected to the first rollers. The first rollers are in contact with the track and can slide along the track.

[0010] In one embodiment of the present invention, a first anti-collision block is provided at the end of the first frame away from the driven running trolley.

[0011] In one embodiment of the present invention, a first connecting shaft is provided between the first frame and the main beam, and the first frame is connected to the main beam through the first connecting shaft.

[0012] In one embodiment of the present invention, the driven trolley includes a second frame and a plurality of second rollers, the plurality of second rollers being disposed on the second frame, the second rollers being in contact with a track, and the second rollers being capable of sliding along the track.

[0013] In one embodiment of the present invention, a second anti-collision block is provided at the end of the second frame away from the active running trolley.

[0014] In one embodiment of the present invention, a second connecting shaft is provided between the second frame and the main beam, and the second frame is connected to the main beam through the second connecting shaft.

[0015] Compared with the prior art, the above-mentioned technical solution of this utility model has the following beneficial effects:

[0016] The double-layer winding standard headroom electric hoist described in this utility model mainly consists of a traveling trolley, a lifting device, and a main beam. This structure uses a double-layer winding method for the wire rope, with only one wire rope used for the winding part. The overload shaft is moved from the original rope end position to the connection position between the traveling trolley and the main beam. This structure can greatly increase the lifting efficiency. By using double winding of the wire rope to achieve double rope output, the power transmission of the motor and reducer is more efficient, and the hoist is more stable and reliable during the lifting process. Attached Figure Description

[0017] To make the content of this utility model easier to understand, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings, wherein:

[0018] Figure 1 This is a front view of the double-layer wound standard headroom electric hoist in a preferred embodiment of the present invention;

[0019] Figure 2 This is a left view of the double-layer wound standard overhead electric hoist in a preferred embodiment of the present invention;

[0020] Figure 3 This is a top view of the double-layer wound standard headroom electric hoist in a preferred embodiment of the present invention;

[0021] Figure 4 This is an isometric side view of the double-layer wound standard headroom electric hoist in a preferred embodiment of the present invention;

[0022] Figure 5 This is an isometric side view of the lifting device in a preferred embodiment of the present invention;

[0023] Figure 6 This is a front view of the lifting device in a preferred embodiment of the present invention.

[0024] Explanation of reference numerals in the accompanying drawings: Main beam 1, counterweight 11, active trolley 2, first frame 21, first anti-collision block 211, first connecting shaft 212, active motor 22, active wheel 23, driven wheel 24, first roller 25, driven trolley 3, second frame 31, second anti-collision block 311, second connecting shaft 312, second roller 32, lifting device 4, lifting motor 41, reducer 42, lifting bracket 43, lifting drum 44, wire rope 45, pulley 46, hook 47, first rope guide 48, second rope guide 49. Detailed Implementation

[0025] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, so that those skilled in the art can better understand and implement the present invention. However, the embodiments are not intended to limit the present invention.

[0026] Reference Figure 1-6 As shown, the double-layer winding standard headroom electric hoist of this utility model includes: a main beam 1; an active running trolley 2, which is mounted on the main beam 1 and is used to drive the main beam 1 to move along the track; a driven running trolley 3, which is mounted on the main beam 1 and is used to assist the main beam 1 in moving along the track; and a lifting device 4, which is mounted on the main beam 1. The lifting device 4 includes a lifting motor 41, a reducer 42, a lifting bracket 43, a lifting drum 44, a wire rope 45, and a pulley 46. The lifting bracket 43 is connected to the side wall of the main beam 1 located on the track. 41. Both the reducer 42 and the lifting drum 44 are mounted on the lifting support 43. The shaft of the lifting motor 41 is connected to the input end of the reducer 42, and the output end of the reducer 42 is connected to the lifting drum 44. The end of the wire rope 45 is fixed to the lifting drum 44 by a rope clamp, and the wire rope 45 is wound on the lifting drum 44 to form two layers, namely a first layer of wire rope and a second layer of wire rope. The first layer of wire rope is located inside the second layer of wire rope. The wire rope 45 between the first layer of wire rope and the second layer of wire rope is wound around a pulley 46, and a hook 47 is connected to the pulley 46. The length L of this electric hoist is 900mm, which is more advantageous for operation in confined spaces.

[0027] Reference Figure 6 As shown, the lifting device 4 also includes a first rope guide 48 and a second rope guide 49. The first rope guide 48 is sleeved on the outside of the first layer of wire rope, and the second rope guide 49 is sleeved on the outside of the second layer of wire rope. The first rope guide 48 is used to guide the first layer of wire rope, and the second rope guide 49 is used to guide the second layer of wire rope. Specifically, the first rope guide 48 is used to guide the first layer of wire rope; the second rope guide 49 is used to guide the second layer of wire rope. The wire rope 45 starts from the rightmost rope clamp of the lifting drum 44, exits from the first rope guide 48, passes through the pulley 46, and starts to wind the second layer of wire rope at the second rope guide 49, winding to the right side of the lifting drum 44 and being clamped by the rope clamp.

[0028] The main beam 1, the active trolley 2, and the driven trolley 3 are located at the center of gravity of the electric hoist. Since a lifting device 4 is installed on one side of the main beam 1, in order to achieve balance on both sides of the main beam 1, the active trolley 2, and the driven trolley 3, a counterweight 11 is provided on the other side of the main beam 1 opposite to the lifting bracket 43. The counterweight 11 is used to balance the lifting device 4.

[0029] Reference Figure 4As shown, the active trolley 2 includes a first frame 21, an active motor 22, an active wheel 23, a driven wheel 24, and a plurality of first rollers 25. The active motor 22 is mounted on the first frame 21. The active wheel 23 is connected to the shaft of the active motor 22, and the active wheel 23 meshes with the driven wheel 24. The shaft of the driven wheel 24 and the first frame 21 are both connected to the first rollers 25. The first rollers 25 are in contact with the track and can slide along the track. A first anti-collision block 211 is provided at the end of the first frame 21 away from the driven trolley 3. Preferably, there are two first anti-collision blocks 211. A first connecting shaft 212 is provided between the first frame 21 and the main beam 1, and the first frame 21 is connected to the main beam 1 through the first connecting shaft 212.

[0030] Reference Figure 4 As shown, the driven trolley 3 includes a second frame 31 and a plurality of second rollers 32. The plurality of second rollers 32 are disposed on the second frame 31, and the second rollers 32 are in contact with the track and can slide along the track. A second anti-collision block 311 is provided at the end of the second frame 31 away from the active trolley 2. Preferably, two second anti-collision blocks 311 are provided, so that the second anti-collision block 311 and the first anti-collision block 211 are respectively disposed at both ends of the electric hoist's moving direction, which can achieve a good anti-collision effect. A second connecting shaft 312 is provided between the second frame 31 and the main beam 1, and the second frame 31 is connected to the main beam 1 through the second connecting shaft 312.

[0031] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made 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 double-winding standard-clearance electric hoist, characterized in that, include: Main beam; An active-operation trolley is mounted on the main beam and is used to drive the main beam to move along the track; The driven trolley is mounted on the main beam and is used to assist the main beam in moving along the track; A hoisting device, installed on the main beam, includes a hoisting motor, a reducer, a hoisting support, a hoisting drum, wire ropes, and pulleys. The hoisting support is connected to the side wall of the main beam on one side of the track. The hoisting motor, reducer, and hoisting drum are all mounted on the hoisting support. The shaft of the hoisting motor is connected to the input end of the reducer, and the output end of the reducer is connected to the hoisting drum. The end of the wire rope is fixed to the hoisting drum by a rope clamp, and the wire rope is wound on the hoisting drum to form two layers, namely a first layer of wire rope and a second layer of wire rope. The first layer of wire rope is located inside the second layer of wire rope, and the wire rope between the first layer of wire rope and the second layer of wire rope is wound around the pulleys.

2. Double-winding standard-clearance electric hoist according to claim 1, characterized in that: A hook is connected to the pulley.

3. The double-wrapped standard-clearance electric hoist according to claim 1, characterized in that: The lifting device further includes a first rope guide and a second rope guide. The first rope guide is sleeved on the outside of the first layer of wire rope, and the second rope guide is sleeved on the outside of the second layer of wire rope. The first rope guide is used to guide the first layer of wire rope, and the second rope guide is used to guide the second layer of wire rope.

4. The double-wrapped standard-clearance electric hoist according to claim 1, characterized in that: A counterweight is provided on the side of the main beam opposite to the side where the lifting support is located. The counterweight is used to balance the lifting device.

5. The double-wrapped standard-clearance electro-hoist according to claim 1, characterized in that: The active trolley includes a first frame, an active motor, an active wheel, a driven wheel, and a plurality of first rollers. The active motor is mounted on the first frame. The active wheel is connected to the shaft of the active motor. The active wheel meshes with the driven wheel. The shaft of the driven wheel and the first frame are both connected to first rollers. The first rollers are in contact with the track and can slide along the track.

6. Double-winding standard-clearance electric hoist according to claim 5, characterized in that: The first anti-collision block is provided at the end of the first frame away from the driven running trolley.

7. Double-winding standard-clearance electric hoist according to claim 6, characterized in that: A first connecting shaft is provided between the first vehicle frame and the main beam, and the first vehicle frame is connected to the main beam through the first connecting shaft.

8. The double-layer wound standard overhead electric hoist according to claim 1, characterized in that: The driven trolley includes a second frame and a plurality of second rollers. The plurality of second rollers are mounted on the second frame, and the second rollers are in contact with the track and are capable of sliding along the track.

9. Double-winding standard-clearance electric hoist according to claim 8, characterized in that: The second frame has a second anti-collision block at the end away from the actively operating trolley.

10. Double-winding standard-clearance electric hoist according to claim 9, characterized in that: A second connecting shaft is provided between the second frame and the main beam, and the second frame is connected to the main beam through the second connecting shaft.

Images