Turning electric hoist

By setting limit wheels and reinforcement plates in the turning electric hoist, combined with the limit structure of the hydraulic cylinder drive barrier plate, the wheel derailment problem is solved, and the stability and safety improvement is achieved during cornering.

CN222293423UActive Publication Date: 2025-01-03ZHEJIANG LESHUN HOISTING EQUIPMENT CO LTD
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Patent Information

Application Number
CN202420725265.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-10
Publication Date
2025-01-03
Estimated Expiration
2034-04-10

AI Technical Summary

Technical Problem

The existing turning electric hoist is parallel to the slide rail when sliding in a linear section of the slide rail, but when turning, the wheel is tangent to the arc-shaped part of the slide rail, causing the wheel to be easily derailed, affecting stability and safety.

Method used

By setting the limit wheel A and limit wheel B in an isosceles triangle distribution, combining the drive wheel and reinforcement plate, the hydraulic cylinder drives the barrier plate for limiting, ensuring the clamping stability and load-bearing capacity of the device during steering.

Benefits of technology

Good clamping stability when steering on the slide rail is achieved, prevents swing, improves the stability and load-bearing capacity of the device, and ensures safety when carrying heavy objects.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222293423U_ABST
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Abstract

The utility model relates to the technical field of electric hoists, in particular to a turning electric hoist which comprises an electric hoist body, a movable plate A, a movable plate B and a reinforcing plate. A connecting seat is arranged on the electric hoist body, a vertical plate is arranged on the connecting seat, a transverse plate is arranged on the vertical plate, and a driving assembly is arranged in the middle of the bottom of the transverse plate. The movable plate A and the movable plate B are symmetrical and slidably arranged at the bottom of the transverse plate, and a bidirectional module for driving the movable plate A and the movable plate B to move synchronously is arranged in the transverse plate. A limiting wheel A is arranged on the movable plate A, a limiting wheel B is arranged on the movable plate B, and the limiting wheel A and the limiting wheel B are distributed in an isosceles triangle shape. The reinforcing plate is rotationally arranged on the connecting seat, a motor B for driving the reinforcing plate to rotate is arranged on the connecting seat, a fixing shaft and limiting grooves in the transverse plate are arranged on the reinforcing plate, and the two ends of the fixing shaft are inserted into the limiting grooves in the corresponding sides respectively. The device is driven by the driving wheel to move, and is clamped and limited by the limiting wheel A and the limiting wheel B, so that the stability of the device is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of electric hoists, in particular to a turning electric hoist. Background Art

[0002] Electric hoist is a special lifting equipment, installed on overhead crane and gantry crane. It has the characteristics of small size, light weight, simple operation and convenient use. It is used in industrial and mining enterprises, warehouses, docks and other places. The electric hoist has a compact structure, and the electric hoist with the motor axis perpendicular to the drum axis adopts a worm gear transmission device. The electric hoist is usually used with a slide rail, while the existing electric hoist can basically only complete linear movement.

[0003] The Chinese patent with the authorization announcement number CN214495442U discloses a turning electric hoist, which relates to the technical field of lifting equipment, and includes a hoist body, a balance car 1 and a balance car 2 arranged above the hoist body and sliding on a slide rail, a crossbeam is arranged at the upper end of the hoist body, and the balance car 1 and the balance car 2 are respectively rotatably connected to the two ends of the crossbeam. The present application sets a crossbeam, and utilizes the balance car 1 and the balance car 2 to be rotatably connected to the crossbeam, so that when the balance car 1 and the balance car 2 turn, the crossbeam drives the hoist body to rotate, so that the hoist body can slide smoothly from the curved slide rail, thereby having the advantage of facilitating the electric hoist to turn on the slide rail.

[0004] However, the device still has some shortcomings: when the device slides on the straight section of the slide rail, the entire wheel remains parallel to the slide rail, and when turning, the balance car wheel is tangent to the curved turning part of the slide rail, which makes the wheel easily derailed. Utility Model Content

[0005] The utility model aims to provide a turning electric hoist in view of the problems existing in the background technology.

[0006] The technical solution of the utility model is a turning electric hoist, which comprises an electric hoist body, a movable plate A, a movable plate B and a reinforcing plate.

[0007] The electric hoist body is provided with a connection seat, a vertical plate is provided on the connection seat, a horizontal plate is provided on the vertical plate, and a driving component is provided in the center of the bottom of the horizontal plate. The movable plate A and the movable plate B are symmetrically and slidably provided at the bottom of the horizontal plate, and a bidirectional module for driving the movable plate A and the movable plate B to move synchronously is provided in the horizontal plate.

[0008] Two limiting wheels A are symmetrically arranged on the movable plate A, and limiting wheels B are rotatably arranged on the movable plate B, and the limiting wheels A and the limiting wheels B are distributed in an isosceles triangle. The reinforcing plate is rotatably arranged on the connecting seat, the reinforcing plate is opposite to the vertical plate, and a motor B for driving the reinforcing plate to rotate is arranged on the connecting seat, a fixed shaft is arranged at one end of the reinforcing plate away from the connecting seat, a card slot is arranged on the horizontal plate, and limiting slots connected to the card slot are arranged on both sides of the card slot, and the two ends of the fixed shaft are respectively inserted into the corresponding side limiting slots and slidably connected thereto.

[0009] Preferably, the driving assembly includes a driving wheel and a motor A, the driving wheel is rotatably connected to the transverse plate, and the motor A is arranged in the transverse plate and is drivingly connected to the driving wheel.

[0010] Preferably, it also includes a slide rail, slide grooves A are arranged on both sides of the slide rail, and a slide groove B opening upward is arranged on the slide rail, the driving wheel is located on the inner side of the slide groove B and is rollingly connected to the bottom surface of the slide groove B, and the limiting wheel A and the limiting wheel B are respectively located in the corresponding side slide grooves A and abut against the side where the slide grooves A on both sides are close to each other.

[0011] Preferably, two downward-opening slide grooves C are symmetrically arranged in the transverse plate, the movable plate A and the movable plate B are respectively located in the corresponding side slide grooves C and are slidably connected thereto, and a slide rod is arranged in the slide groove C, the slide rod passes through the movable plate A and the movable plate B and is slidably connected thereto.

[0012] Preferably, a blocking plate is provided inside the transverse plate and is slidably connected thereto, the blocking plate abuts against the outer side surface of the reinforcing plate, and a bracket is provided on the transverse plate, a hydraulic cylinder is provided on the bracket, and the hydraulic cylinder drives the blocking plate.

[0013] Preferably, a connecting shaft is provided on the connecting seat, the reinforcing plate is fixedly connected to the connecting shaft, the connecting shaft is rotatably connected to the connecting seat, and the output end of the motor B is connected to the end of the connecting shaft.

[0014] Preferably, the limiting groove is an arc groove, and the arc center of the limiting groove and the axis center of the connecting shaft are on the same axis.

[0015] Compared with the prior art, the utility model has the following beneficial technical effects:

[0016] By setting two limit wheels A and one limit wheel B, and the limit wheels A and the limit wheels B are distributed in an isosceles triangle, the structure can make the device still have good clamping stability when turning on the slide rail, thereby ensuring that the entire device will not swing freely after turning. At the same time, a driving wheel is set, and the device moves through the driving wheel drive, and then limited by the limit wheels on both sides, so that the device can move stably and smoothly; by setting a reinforcement plate, the reinforcement plate is convenient for hanging the device after opening, and after the reinforcement plate is closed and hooked, it cooperates with the vertical plate to suspend the entire electric hoist, thereby improving the stability of the electric hoist after bearing weight, and can improve the load-bearing capacity of the device. The blocking plate is used to limit the sliding of the reinforcement plate to prevent it from rotating, thereby improving the stability of the entire device and the safety after bearing heavy objects. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of an embodiment of the utility model;

[0018] Figure 2 It is the connection structure diagram of each component on the connection seat;

[0019] Figure 3 This is the connection structure diagram of the components on the horizontal plate.

[0020] Figure numerals: 1. Electric hoist body; 2. Connecting seat; 3. Vertical plate; 4. Horizontal plate; 401. Limiting groove; 5. Driving wheel; 6. Motor A; 7. Movable plate A; 8. Movable plate B; 9. Bidirectional module; 10. Limiting wheel A; 11. Limiting wheel B; 12. Reinforcement plate; 13. Fixed shaft; 14. Motor B; 15. Blocking plate; 16. Hydraulic cylinder; 17. Slide rail. DETAILED DESCRIPTION

[0021] Embodiment 1

[0022] like Figure 1-Figure 3 As shown, the utility model provides a turning electric hoist, which includes an electric hoist body 1, a movable plate A7, a movable plate B8 and a reinforcing plate 12.

[0023] A connection base 2 is arranged on the electric hoist body 1, a vertical plate 3 is arranged on the connection base 2, a horizontal plate 4 is arranged on the vertical plate 3, and a driving assembly is arranged in the center of the bottom of the horizontal plate 4. The driving assembly includes a driving wheel 5 and a motor A6, the driving wheel 5 is rotatably connected with the horizontal plate 4, and the motor A6 is arranged in the horizontal plate 4 and drives the driving wheel 5. The movable plate A7 and the movable plate B8 are symmetrically and slidably arranged at the bottom of the horizontal plate 4, and a bidirectional module 9 is arranged in the horizontal plate 4 to drive the movable plate A7 and the movable plate B8 to move synchronously.

[0024] Two limiting wheels A10 are symmetrically arranged on the movable plate A7, and a limiting wheel B11 is rotatably arranged on the movable plate B8, and the limiting wheels A10 and B11 are distributed in an isosceles triangle. The reinforcing plate 12 is rotatably arranged on the connecting seat 2, and the reinforcing plate 12 is opposite to the vertical plate 3. The connecting seat 2 is provided with a motor B14 for driving the reinforcing plate 12 to rotate, and a fixed shaft 13 is arranged at one end of the reinforcing plate 12 away from the connecting seat 2, and a card slot is arranged on the horizontal plate 4, and limiting slots 401 connected to the card slot are arranged on both sides of the card slot, and the two ends of the fixed shaft 13 are respectively inserted into the corresponding side limiting slots 401 and slidably connected thereto. It also includes a slide rail 17, and slide grooves A are arranged on both sides of the slide rail 17, and a slide groove B with an opening upward is arranged on the slide rail 17, and the driving wheel 5 is located on the inner side of the slide groove B and is rollingly connected to the bottom surface of the slide groove B, and the limiting wheels A10 and the limiting wheels B11 are respectively located in the corresponding side slide grooves A and abut against the side of the slide grooves A on both sides that are close to each other. Two downwardly opening chute C are symmetrically arranged in the horizontal plate 4, and the movable plate A7 and the movable plate B8 are respectively located in the corresponding side chute C and are slidably connected thereto, and a slide bar is arranged in the chute C, and the slide bar passes through the movable plate A7 and the movable plate B8 and is slidably connected thereto. A connecting shaft is arranged on the connecting seat 2, the reinforcing plate 12 is fixedly connected to the connecting shaft, the connecting shaft is rotatably connected to the connecting seat 2, the output end of the motor B14 is connected to the end of the connecting shaft, the limiting groove 401 is an arc groove, and the arc center of the limiting groove 401 is on the same axis as the axis of the connecting shaft.

[0025] In this embodiment, two limiting wheels A10 and one limiting wheel B11 are provided, and the limiting wheel A10 and the limiting wheel B are distributed in an isosceles triangle. By utilizing this structure, the device can still have good clamping stability when turning on the slide rail 17, thereby ensuring that the entire device will not swing freely after turning. At the same time, a driving wheel is provided, and the device is moved by the driving wheel driving device, and then limited by the limiting wheels on both sides, so that the device can move stably and smoothly; by providing a reinforcing plate 12, the reinforcing plate 12 is opened to facilitate hanging the device, and after the reinforcing plate 12 is closed and hooked, it cooperates with the vertical plate 3 to suspend the entire electric hoist, thereby improving the stability of the electric hoist after bearing weight, and can improve the load-bearing capacity of the device.

[0026] Embodiment 2

[0027] like Figure 2 and Figure 3 As shown, the turning electric hoist proposed by the utility model, compared with the first embodiment, a blocking plate 15 slidably connected to the horizontal plate 4 is arranged inside the horizontal plate 4, the blocking plate 15 abuts against the outer side surface of the reinforcing plate 12, and a bracket is arranged on the horizontal plate 4, and a hydraulic cylinder 16 is arranged on the bracket, and the hydraulic cylinder 16 drives the blocking plate 15.

[0028] In this embodiment, after the upper limit shaft 13 on the reinforcing plate 12 completely enters the limit groove 401, the blocking plate 15 is pressed down by the hydraulic cylinder 16, and the blocking plate 15 is used to slide and limit the reinforcing plate 12 to prevent it from rotating, thereby improving the stability of the entire device and the safety after carrying heavy objects.

[0029] The implementation modes of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A turning electric hoist, characterized in that: It comprises an electric hoist body (1), a movable plate A (7), a movable plate B (8) and a reinforcing plate (12); A connecting seat (2) is arranged on the electric hoist body (1), a vertical plate (3) is arranged on the connecting seat (2), a horizontal plate (4) is arranged on the vertical plate (3), and a driving component is arranged in the center of the bottom of the horizontal plate (4); a movable plate A (7) and a movable plate B (8) are symmetrically and slidably arranged at the bottom of the horizontal plate (4), and a bidirectional module (9) for driving the movable plate A (7) and the movable plate B (8) to move synchronously is arranged in the horizontal plate (4); Two limiting wheels A (10) are symmetrically arranged on the movable plate A (7), and a limiting wheel B (11) is rotatably arranged on the movable plate B (8), and the limiting wheels A (10) and the limiting wheels B (11) are distributed in an isosceles triangle; the reinforcing plate (12) is rotatably arranged on the connecting seat (2), the reinforcing plate (12) is opposite to the vertical plate (3), and a motor B (14) for driving the reinforcing plate (12) to rotate is arranged on the connecting seat (2), a fixed shaft (13) is arranged at one end of the reinforcing plate (12) away from the connecting seat (2), a clamping groove is arranged on the horizontal plate (4), and limiting grooves (401) connected to the clamping groove are arranged on both sides of the clamping groove, and the two ends of the fixed shaft (13) are respectively inserted into the corresponding side limiting grooves (401) and are slidably connected to them.

2. The turning electric hoist according to claim 1, characterized in that: The driving assembly comprises a driving wheel (5) and a motor A (6); the driving wheel (5) is rotationally connected to the transverse plate (4); and the motor A (6) is arranged inside the transverse plate (4) and is drivingly connected to the driving wheel (5).

3. The turning electric hoist according to claim 2, characterized in that: The invention also comprises a slide rail (17), slide grooves A are arranged on both sides of the slide rail (17), a slide groove B opening upward is arranged on the slide rail (17), a driving wheel (5) is located on the inner side of the slide groove B and is rollingly connected to the bottom surface of the slide groove B, and a limiting wheel A (10) and a limiting wheel B (11) are respectively located in the corresponding side slide grooves A and are in contact with the side of the slide grooves A on both sides that are close to each other.

4. The turning electric hoist according to claim 1, characterized in that: Two downwardly opening sliding grooves C are symmetrically arranged in the transverse plate (4), and the movable plate A (7) and the movable plate B (8) are respectively located in the corresponding side sliding grooves C and are slidably connected thereto, and a sliding rod is arranged in the sliding groove C, and the sliding rod passes through the movable plate A (7) and the movable plate B (8) and is slidably connected thereto.

5. The turning electric hoist according to claim 1, characterized in that: A blocking plate (15) is arranged inside the transverse plate (4) and is slidably connected thereto. The blocking plate (15) abuts against the outer side surface of the reinforcing plate (12). A bracket is arranged on the transverse plate (4). A hydraulic cylinder (16) is arranged on the bracket. The hydraulic cylinder (16) drives the blocking plate (15).

6. The turning electric hoist according to claim 1, characterized in that: A connecting shaft is arranged on the connecting seat (2), the reinforcing plate (12) is fixedly connected to the connecting shaft, the connecting shaft is rotatably connected to the connecting seat (2), and the output end of the motor B (14) is connected to the end of the connecting shaft.

7. The turning electric hoist according to claim 6, characterized in that: The limiting groove (401) is an arc-shaped groove, and the arc center of the limiting groove (401) and the axis center of the connecting shaft are on the same axis.