Winding drum mechanism for hoisting equipment

By designing a horizontal shaft and drum structure within the support frame of the lifting equipment, combined with drive and protection components, a stable descent of heavy objects is achieved in the event of a malfunction, solving the problem of heavy objects falling due to drive mechanism failure and improving safety and reliability.

CN223561175UActive Publication Date: 2025-11-18NANTONG HAOZHENG MASCH EQUIP CO LTD
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Patent Information

Application Number
CN202423313905.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-11-18
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

When the drive mechanism of existing lifting equipment malfunctions during the lifting process, it cannot drive the wire rope to wind, causing the heavy object to fall, which poses a serious safety hazard.

Method used

A horizontal shaft is mounted inside a support frame, and a drum is fitted onto the horizontal shaft. Through the cooperation of the drive component and the protection component, the first motor drives the bevel gear to rotate, and the second motor drives the lead screw to rotate, controlling the movement of the lifting plate and realizing the adjustment of the drum speed to prevent the heavy object from falling.

Benefits of technology

It effectively prevents heavy objects from falling, improves the safety and reliability of lifting equipment, and ensures operational stability.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223561175U_ABST
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Abstract

The utility model provides a winding drum mechanism for hoisting equipment, which relates to the technical field of winding drum mechanisms and comprises a support frame, a cross shaft is rotatably mounted between two sides of the inner wall of the support frame, a winding drum is fixedly sleeved in the middle of a shaft body of the cross shaft, two ends of the cross shaft penetrate through the support frame, and a first bevel gear is fixedly sleeved at one end of the shaft body of the cross shaft. A worker starts the first motor to enable the output shaft of the first motor to drive the second bevel gear to rotate, and under the meshing action of the second bevel gear and the first bevel gear, the transverse shaft drives the winding drum to rotate, so that the lifting work is completed, and the worker starts the second motor to enable the output shaft of the second motor to drive the lead screw to rotate. The rotating lead screw drives the lifting plate to move in a thread screwing-in mode, so that the arc-shaped frame can be attached to the transverse shaft, the transverse shaft stops after the rotating speed is suddenly reduced, and the heavy object is prevented from further falling off.
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Description

TECHNICAL FIELD

[0001] The utility model relates to reel mechanism technical field, specifically, a reel mechanism for hoisting equipment. BACKGROUND

[0002] The reel mechanism is an important component in hoisting machinery equipment, and its core function is to control the winding and unwinding of the cable or the winding of the steel wire rope to realize the lifting and lowering of the heavy object. The driving mechanism of the crane reel with the publication number CN201626791U comprises a speed reducer, a brake and a motor, characterized in that: the speed reducer, the brake and the motor are integrated structure, the flange of the motor is directly connected with the speed reducer, and the brake is directly installed at the tail of the motor. The utility model overcomes the deficiency of large weight and large size of the prior art, and has the characteristics of light weight, compact design and high efficiency.

[0003] However, in the above-mentioned scheme, if the driving mechanism fails during hoisting, it cannot drive the steel wire rope to wind, at this time, due to the existence of the heavy object, it is likely to cause the heavy object to fall, causing great safety hazards. UTILITY MODEL CONTENTS

[0004] The main purpose of the utility model is to provide a reel mechanism for hoisting equipment, which can effectively solve the problem that the driving mechanism in the background art fails during hoisting, cannot drive the steel wire rope to wind, at this time, due to the existence of the heavy object, it is likely to cause the heavy object to fall, causing great safety hazards.

[0005] To achieve the above-mentioned purpose, the utility model adopts the technical scheme of:

[0006] A reel mechanism for hoisting equipment, comprising a support frame, a horizontal shaft is rotatably installed between the inner walls of the support frame, and a reel is fixedly sleeved on the middle part of the shaft body of the horizontal shaft;

[0007] The two ends of the horizontal shaft pass through the support frame, and a first bevel gear is fixedly sleeved on one end of the shaft body of the horizontal shaft;

[0008] A driving assembly for driving the rotation of the first bevel gear is arranged on one side of the support frame;

[0009] A protection assembly for protection is arranged on the upper surface of the support frame.

[0010] As a preferred, the driving assembly comprises a right-angle frame, the right-angle frame is fixedly installed on one side of the support frame, a first motor is fixedly installed on one side of the inner wall of the right-angle frame, a second bevel gear is fixedly sleeved on one side of the output shaft of the first motor, and the second bevel gear is engaged with the first bevel gear.

[0011] As preferred, the protection assembly comprises a support frame fixedly installed in the middle of the upper surface of the support frame, a lifting plate slidingly arranged in the support frame, connecting plates fixedly installed on both sides of the lower surface of the lifting plate, and arc-shaped frames fixedly installed on the lower surfaces of the two connecting plates.

[0012] One side of the support frame is provided with a control structure for controlling the movement of the lifting plate.

[0013] As preferred, the control structure comprises a lead screw rotatably installed between the inner walls of the support frame, and the lead screw is threadedly arranged on one side of the lead screw rod;

[0014] A second motor is fixedly installed on the upper surface of the support frame, and the upper end of the lead screw penetrates through the support frame and is fixedly connected with the output shaft end of the second motor.

[0015] As preferred, slide rods are fixedly installed on both sides of the inner bottom of the support frame, and the lifting plate is slidingly arranged on one side of the two slide rods.

[0016] As preferred, an installation groove is formed in the inner wall surface of the arc-shaped frame, an installation plate is fixedly installed in the installation groove, lifting rods are slidingly arranged on both sides of the lower surface of the installation plate, and arc-shaped blocks are fixedly installed on the lower ends of the two lifting rods;

[0017] A partition plate is fixedly installed on the upper ends of the two lifting rods, and springs are sleeved on the sides of the two lifting rod rods close to the arc-shaped blocks.

[0018] Positioning grooves are formed in the surfaces of both sides of the shaft body, and the two positioning grooves are respectively and penetratingly matched with the corresponding arc-shaped blocks.

[0019] Compared with the prior art, the utility model has the following beneficial effects:

[0020] (1) The worker starts the first motor, the output shaft drives the second bevel gear to rotate, the horizontal shaft drives the drum to rotate under the meshing effect of the second bevel gear and the first bevel gear, thereby completing the hoisting work, the worker starts the second motor, the output shaft drives the lead screw to rotate, the rotating lead screw drives the lifting plate to move through the thread rotation mode, so that the arc-shaped frame can be attached to the horizontal shaft, thereby making the horizontal shaft rotation speed suddenly decrease and then stop, avoiding the further falling of the heavy object, and avoiding the falling of the heavy object. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is an overall structure schematic view of the drum mechanism for the hoisting equipment.

[0022] Figure 2 It is a top view structure schematic view of the drum mechanism for the hoisting equipment.

[0023] Figure 3 For the utility model discloses a winding drum mechanism for hoisting equipment Figure 2 The middle A-A section structure schematic diagram shows;

[0024] Figure 4 For the utility model discloses a winding drum mechanism for hoisting equipment Figure 2 The middle B-B section structure schematic diagram shows;

[0025] Figure 5 For the utility model discloses a winding drum mechanism for hoisting equipment Figure 3 The middle A structure enlarged schematic diagram shows.

[0026] In the drawing: 1, support frame;2, cross shaft;3, winding drum;4, first bevel gear;5, drive assembly;501, right-angle frame;502, first motor;503, second bevel gear;6, protection assembly;601, support frame;602, lifting plate;603, connecting plate;604, arc frame;605, control structure;6051, screw;6052, second motor;7, slide rod;8, mounting groove;9, mounting plate;10, lifting rod;11, arc block;12, partition;13, spring;14, positioning groove. DETAILED DESCRIPTION

[0027] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0028] As Figures 1-5 Indicated, a winding drum mechanism for hoisting equipment, including support frame 1, the two sides between the inner wall of support frame 1 rotatably installed cross shaft 2, cross shaft 2 shaft body middle part is set fixed with winding drum 3;

[0029] Cross shaft 2 both ends all pass through support frame 1, and the one end of cross shaft 2 shaft body is set fixed with first bevel gear 4;

[0030] Support frame 1 one side is provided with the drive assembly 5 for driving first bevel gear 4 rotation;

[0031] Support frame 1 upper surface is provided with the protection assembly 6 for protection.

[0032] The driving assembly 5 comprises a right-angle frame 501 fixedly installed on one side of the support frame 1, a first motor 502 fixedly installed on one side of the inner wall of the right-angle frame 501, a second bevel gear 503 fixedly sleeved on one side of the output shaft of the first motor 502, and the second bevel gear 503 is engaged with the first bevel gear 4.

[0033] The protection assembly 6 comprises a support frame 601 fixedly installed on the upper surface of the support frame 1, a lifting plate 602 slidingly arranged in the support frame 601, connecting plates 603 fixedly installed on both sides of the lower surface of the lifting plate 602, and arc-shaped frames 604 fixedly installed on the lower surfaces of the two connecting plates 603.

[0034] One side of the support frame 601 is provided with a control structure 605 for controlling the movement of the lifting plate 602.

[0035] The control structure 605 comprises a lead screw 6051 rotationally installed between the inner walls of the support frame 601, and the lead screw 6051 is threadedly arranged on one side of the rod body of the lead screw 6051.

[0036] A second motor 6052 is fixedly installed on the upper surface of the support frame 601, and the upper end of the lead screw 6051 penetrates through the support frame 601 and is fixedly connected with the output shaft end of the second motor 6052.

[0037] Slide rods 7 are fixedly installed on both sides of the inner bottom of the support frame 601, and the lifting plate 602 is slidingly arranged on one side of the rod bodies of the two slide rods 7.

[0038] The staff starts the first motor 502, so that the output shaft drives the second bevel gear 503 to rotate, under the meshing effect of the second bevel gear 503 and the first bevel gear 4, the horizontal shaft 2 drives the winding drum 3 to rotate, so as to complete the lifting work, the staff starts the second motor 6052, so that the output shaft drives the lead screw 6051 to rotate, the rotating lead screw 6051 drives the lifting plate 602 to move in a threaded rotation manner, so that the arc-shaped frame 604 can be attached to the horizontal shaft 2, so that the rotating speed of the horizontal shaft 2 is suddenly reduced and then stopped, so as to avoid the further falling of the heavy object and avoid the falling of the heavy object.

[0039] In another embodiment of the utility model, mounting grooves 8 are formed in the inner wall surface of the arc-shaped frame 604, mounting plates 9 are fixedly installed in the mounting grooves 8, lifting rods 10 are slidingly arranged on both sides of the lower surface of the mounting plate 9, arc-shaped blocks 11 are fixedly installed on the lower ends of the two lifting rods 10.

[0040] A partition plate 12 is fixedly installed on the upper ends of the two lifting rods 10, and springs 13 are sleeved on one side of the rod body of the two lifting rods 10 close to the arc-shaped block 11.

[0041] The surface on both sides of the shaft body of the horizontal shaft 2 is provided with a positioning groove 14, and the two positioning grooves 14 are respectively inserted into the corresponding arc-shaped blocks 11.

[0042] When the horizontal shaft 2 rotates along the arc-shaped frame 604, when the speed of the horizontal shaft 2 is reduced and the positioning groove 14 moves to the position of the arc-shaped block 11, the spring 13 is reset, so that the arc-shaped block 11 is inserted into the positioning groove 14, thereby stopping the rotation of the horizontal shaft 2, and further avoiding the possibility of continuing to fall at noon.

[0043] The working principle of the winding drum mechanism for the hoisting equipment is as follows:

[0044] In use, the staff starts the first motor 502, so that the output shaft drives the second bevel gear 503 to rotate, under the meshing action of the second bevel gear 503 and the first bevel gear 4, the horizontal shaft 2 drives the winding drum 3 to rotate, thereby completing the hoisting work, the staff starts the second motor 6052, so that the output shaft drives the lead screw 6051 to rotate, the rotating lead screw 6051 drives the lifting plate 602 to move through the threaded rotation mode, so that the arc-shaped frame 604 can be attached to the horizontal shaft 2, thereby making the rotation speed of the horizontal shaft 2 sharply reduced and then stopped, avoiding the further falling of the heavy object, and avoiding the falling of the heavy object.

[0045] Obviously, the above embodiments of the utility model are only examples for clearly illustrating the utility model, and are not the limitation of the embodiments of the utility model, and for the ordinary skilled in the art, on the basis of the above description, other different forms of changes or changes can be made, and all the embodiments cannot be exhausted, and all the embodiments belong to the protection range of the utility model.

Claims

1. A reel mechanism for a hoisting apparatus comprising a support frame (1), characterised in that: A horizontal shaft (2) is rotatably installed between the two sides of the inner wall of the support frame (1), and a drum (3) is sleeved and fixed in the middle of the shaft body of the horizontal shaft (2); Both ends of the horizontal shaft (2) pass through the support frame (1), and a first bevel gear (4) is sleeved and fixed at one end of the shaft body of the horizontal shaft (2); The support frame (1) is provided with a drive assembly (5) on one side for driving the first bevel gear (4) to rotate; The upper surface of the support frame (1) is provided with a protective component (6) for protection.

2. The drum mechanism for lifting equipment according to claim 1, characterized in that: The drive assembly (5) includes a right-angle bracket (501), which is fixedly installed on one side of the support frame (1). A first motor (502) is fixedly installed on one side of the inner wall of the right-angle bracket (501). A second bevel gear (503) is sleeved and fixed on one side of the output shaft of the first motor (502). The second bevel gear (503) meshes with the first bevel gear (4).

3. The drum mechanism for lifting equipment according to claim 2, characterized in that: The protective component (6) includes a support frame (601), which is fixedly installed in the middle of the upper surface of the support frame (1). A lifting plate (602) is slidably arranged inside the support frame (601). Connecting plates (603) are fixedly installed on both sides of the lower surface of the lifting plate (602), and arc-shaped frames (604) are fixedly installed on the lower surfaces of the two connecting plates (603). A control structure (605) for controlling the movement of the lifting plate (602) is provided on one side of the support frame (601).

4. A drum mechanism for lifting equipment according to claim 3, characterized in that: The control structure (605) includes a lead screw (6051), which is rotatably mounted between the two sides of the inner wall of the support frame (601), and the lead screw (6051) is threaded on one side of the lead screw (6051) rod body; The second motor (6052) is fixedly installed on the upper surface of the support frame (601), and the upper end of the lead screw (6051) passes through the support frame (601) and is fixedly connected to the output shaft end of the second motor (6052).

5. A drum mechanism for lifting equipment according to claim 4, characterized in that: The support frame (601) has slide rods (7) fixedly installed on both sides of the bottom, and the lifting plate (602) is slidably arranged on one side of the two slide rods (7).

6. A drum mechanism for lifting equipment according to claim 3, characterized in that: The inner wall surface of the arc frame (604) is provided with an installation groove (8), and an installation plate (9) is fixedly installed in the installation groove (8). Lifting rods (10) are slidably arranged on both sides of the lower surface of the installation plate (9), and an arc block (11) is fixedly installed at the lower end of the two lifting rods (10). The upper ends of the two lifting rods (10) are fixedly installed with partition plates (12), and springs (13) are sleeved on the side of the two lifting rods (10) near the arc block (11); The horizontal shaft (2) has positioning grooves (14) on both sides of its shaft body, and the two positioning grooves (14) are respectively interlocked with the corresponding arc-shaped blocks (11).

Citation Information

Patent Citations

  • Driving mechanism of crane drum

    CN201626791U