Winch

Abstract

The utility model belongs to the field of winches, and provides a winch which comprises a base, a winding drum is rotatably arranged on the base, a twisted rope is wound on the winding drum, and the winch is characterized in that a pair of left and right side plates is arranged on the base, the winding drum is located in the two side plates, a rotatable threaded shaft is arranged between the side plates and located on the front side of the winding drum, and the twisted rope is wound on the threaded shaft. A pair of upper sliding rods and a pair of lower sliding rods are arranged between the side plates and at the position, located on the front side of the threaded shaft, of the bottom of the base respectively, the winch further comprises a movable base, a screw sleeve and a pair of upper sliding sleeves and a pair of lower sliding sleeves are arranged in the movable base, the screw sleeve and the sliding sleeves are located in the threaded shaft and the sliding rods respectively, and a pair of upper winding wheels and a pair of lower winding wheels are arranged on the movable base. Wherein the upper winding wheel is fixedly installed, the lower winding wheel is rotatably installed, and the front end of the twisted rope is wound around the upper winding wheel in sequence. The utility model aims to provide a winch, and aims to solve the problems that a twisted rope of an existing winch is easy to wind unevenly in the winding and unwinding process, so that parts shake, and the mounting precision is seriously influenced.

Description

Technical Field

[0001] This utility model belongs to the field of winches, and in particular relates to a winch. Background Technology

[0002] In the field of shipbuilding and refitting, winches, as key lifting equipment, undertake various heavy and delicate hoisting tasks. From moving heavy steel materials to precisely installing ship equipment, and assisting in launching ships, the performance of winches directly affects the efficiency and quality of operations.

[0003] While traditional winches can perform basic lifting and traction functions in shipbuilding, they have many limitations. For example, when lifting long or irregularly shaped ship components, their relatively simple structural design makes it easy for the winch rope on the drum to become unevenly wound during winding and unwinding, causing the components to sway, making precise positioning difficult, and seriously affecting installation accuracy. Utility Model Content

[0004] In view of the above problems, the purpose of this utility model is to provide a winch that solves the problem that uneven winding of the rope is easy to occur during the winding and unwinding process of an existing winch, which causes the parts to shake, makes it difficult to accurately position, and seriously affects the installation accuracy.

[0005] The present invention adopts the following technical solution:

[0006] The winch includes a base, on which a drum is rotatably mounted, and a rope is wound on the drum. The winch is characterized by: a pair of left and right side plates on the base, the drum located within the two side plates, a rotatable threaded shaft located between the side plates and in front of the drum, and a pair of upper and lower sliding rods located between the side plates and at the bottom of the base, respectively, in front of the threaded shaft. The winch also includes a movable base, within which a threaded sleeve and a pair of upper and lower sliding sleeves are located, respectively, within the threaded shaft and the sliding rods. The movable base has a pair of upper and lower winding wheels, with the upper winding wheel fixedly mounted and the lower winding wheel rotatably mounted. The front end of the rope passes sequentially around the upper and lower winding wheels and is provided with a hook for hoisting. The base has a motor assembly for driving the drum to rotate.

[0007] Furthermore, the front side of the movable seat is rotatably provided with a pair of upper and lower wire sleeves, the wire sleeves are hollow structures, a V-shaped frame is provided between the wire sleeves, the lower winding wheel is provided on the V-shaped frame, and the twisted rope is located inside the upper and lower wire sleeves.

[0008] Furthermore, the movable seat and the V-shaped frame are respectively provided with a pair of upper and lower limiting seats, and the limiting seats are rotatably provided with limiting wheels.

[0009] Furthermore, the right side plate is equipped with a protective box, and the shaft and threaded shaft of the drum are inserted into the protective box and are respectively equipped with a driving sprocket and a driven sprocket. Matching chains are fitted on the driving sprocket and the driven sprocket.

[0010] Furthermore, the side wall of the drum is provided with a brake disc, the base is provided with a brake seat, the brake seat is rotatably provided with a brake cylinder, the drive shaft of the brake cylinder is rotatably provided with a friction belt, the friction belt passes around the brake disc and is rotatably mounted on the brake seat.

[0011] The beneficial effects of this utility model are:

[0012] 1. Through the cooperation of the lead screw shaft and the sliding seat's sleeve, and the guiding action of the slide rod and the sliding sleeve, the sliding seat will move linearly with the rotation of the lead screw shaft when the drum rotates, thereby driving the winding wheel to move synchronously. This design allows the rope to be wound evenly and orderly on the drum, avoiding the rope from becoming disordered and stacked, effectively extending the service life of the drum and the rope, and improving the working stability of the winch.

[0013] 2. The guide sleeve provides precise guidance for the winch, ensuring a stable path during winding and unwinding. The limit seat and limit wheel further ensure that the winch will not deviate from its normal track, preventing interference with other components during operation and improving the accuracy and safety of material handling. Attached Figure Description

[0014] Figure 1 This utility model provides an integrated winch. Figure 1 .

[0015] Figure 2 This utility model provides an integrated winch. Figure 2 .

[0016] Figure 3 This utility model provides a schematic diagram of the installation of upper and lower winding wheels. Detailed Implementation

[0017] To make the objectives, technical solutions, and advantages of this utility model patent clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the scope of the present utility model.

[0018] To illustrate the technical solution described in this utility model, specific embodiments are described below.

[0019] For ease of explanation, only the parts relevant to the embodiments of this utility model are shown.

[0020] Combination Figure 1-3As shown, a winch includes a base 1, on which a drum 2 is rotatably mounted, and a rope 3 is wound on the drum 2. The winch is characterized by: a pair of left and right side plates 4 on the base 1, the drum 2 located within the two side plates 4, a rotatable threaded shaft 5 located between the side plates 4 and in front of the drum 2, and a pair of upper and lower sliding rods 6 located between the side plates 4 and at the bottom of the base 1, respectively, in front of the threaded shaft 5. The winch also includes a movable seat 7, within which a threaded sleeve 8 and a pair of upper and lower sliding sleeves 9 are provided, with the threaded sleeve 8 and sliding sleeves 9 located within the threaded shaft 5 and sliding rods 6, respectively. The movable seat 7 also has a pair of upper and lower winding wheels, with the upper winding wheel marked 101 and the lower winding wheel marked 102. The upper winding wheel 101 is fixedly installed, and the lower winding wheel 102 is rotatably installed. The front end of the twisted rope 3 passes around the upper winding wheel 101 and the lower winding wheel 102 in sequence and is provided with a hook for hoisting (not shown in the figure). The base 1 is provided with a motor assembly 11 for driving the drum to rotate.

[0021] In the field of shipbuilding and refitting, winches, as key lifting equipment, undertake various heavy and delicate hoisting tasks. From moving heavy steel materials to precisely installing ship equipment, and assisting in launching ships, the performance of winches directly affects the efficiency and quality of operations.

[0022] like Figure 1 The right side plate 4 is equipped with a protective box 12. The shaft and threaded shaft 5 of the drum 2 are inserted into the protective box 12 and are respectively equipped with a driving sprocket and a driven sprocket. Matching chains are fitted on the driving sprocket and the driven sprocket (since the driving sprocket, the driven sprocket and the chain are all located inside the protective box, they are not shown in the figure).

[0023] In this structure, the threaded shaft rotates together with the drum via a chain. When using this device for lifting operations, the operator first hooks the hook onto the material as required, then starts the motor assembly. The motor assembly drives the drum to rotate, and the drum drives the winding rope to unwind. Because the driving sprocket drives the driven sprocket to rotate via a chain, the threaded shaft rotates accordingly, causing the moving seat to move linearly along the lead screw shaft and slide bar. The winding wheel on the moving seat guides the winding rope to be evenly wound onto the drum, and the hook lifts the material, thus achieving the lifting of the material.

[0024] As a specific structure, such as Figure 3 The front side of the movable seat 7 is provided with a pair of upper and lower wire sleeves 13. The wire sleeves 13 are hollow structures. A V-shaped frame 14 is provided between the wire sleeves 13. The lower winding wheel 102 is provided on the V-shaped frame 14. The twisted rope 3 is located inside the upper and lower wire sleeves 13.

[0025] In the above structure, the conductor sleeve is hollow, with an inner diameter slightly larger than the diameter of the twisted rope to ensure that the rope can pass through smoothly. The inner wall of the conductor sleeve is polished to reduce friction between the twisted rope and the conductor sleeve. The front end of the twisted rope passes through the upper winding wheel, upper conductor sleeve, lower winding wheel, and lower conductor sleeve in sequence, and is equipped with the hook mentioned above to ensure that the twisted rope maintains a stable path during winding and unwinding.

[0026] In the winch, the movable base 7 and the V-shaped frame 14 are respectively equipped with a pair of upper and lower limit seats 20, and limit wheels 15 are rotatably mounted on the limit seats 20. In the illustration, the two limit wheels are located at the top of the upper winding wheel and the bottom of the lower winding wheel, respectively. The function of the limit wheels is to limit the movement of the winch rope, preventing it from deviating from its normal track during operation and ensuring that the winch rope always moves within a predetermined range.

[0027] As a preferred structure, such as Figure 2 The side wall of the drum 2 is provided with a brake disc 16, the base 1 is provided with a brake seat 17, the brake seat 17 is rotatably provided with a brake cylinder 18, the drive shaft of the brake cylinder 18 is rotatably provided with a friction belt 19, the friction belt 19 passes around the brake disc 18 and is rotatably mounted on the brake seat 16.

[0028] During operation, the friction belt is in a slack state. When the winch stops lifting, the motor assembly stops the drum rotation, and simultaneously, the brake cylinder pushes the friction belt to grip the brake disc. Due to the frictional force generated between the friction belt and the brake disc, the drum quickly stops rotating, completing the braking process.

[0029] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A winch, comprising a base, wherein a drum is rotatably mounted on the base, and a rope is wound on the drum, characterized in that: The base is provided with a pair of left and right side plates, and the drum is located inside the two side plates. A rotatable threaded shaft is provided between the side plates on the front side of the drum. A pair of upper and lower sliding rods are provided between the side plates and at the bottom of the base on the front side of the threaded shaft. The winch also includes a movable base. The movable base is provided with a threaded sleeve and a pair of upper and lower sliding sleeves, and the threaded sleeve and sliding sleeves are located inside the threaded shaft and sliding rods, respectively. The movable base is provided with a pair of upper and lower winding wheels, wherein the upper winding wheel is fixedly installed and the lower winding wheel is rotatably installed. The front end of the rope passes around the upper winding wheel and the lower winding wheel in sequence and is provided with a hook for hoisting. The base is provided with a motor assembly for driving the drum to rotate.

2. The winch as described in claim 1, characterized in that: The front side of the movable seat is provided with a pair of upper and lower wire sleeves. The wire sleeves are hollow structures. A V-shaped frame is provided between the wire sleeves. The lower winding wheel is provided on the V-shaped frame. The twisted rope is located inside the upper and lower wire sleeves.

3. The winch as described in claim 2, characterized in that: The movable seat and the V-shaped frame are respectively provided with a pair of upper and lower limit seats, and the limit seats are rotatably provided with limit wheels.

4. The winch as described in claim 3, characterized in that: The right side plate is equipped with a protective box. The shaft and threaded shaft of the drum are inserted into the protective box and are respectively equipped with a driving sprocket and a driven sprocket. Matching chains are fitted on the driving sprocket and the driven sprocket.

5. A winch as described in claim 4, characterized in that: The drum has a brake disc on its side wall, a brake seat is provided on the base, a brake cylinder is rotatably provided on the brake seat, and a friction belt is rotatably provided on the drive shaft of the brake cylinder. The friction belt passes around the brake disc and is rotatably installed on the brake seat.

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