Manual permanent magnet lifting jack with double-lifting-position structure

Abstract

The utility model belongs to the field of permanent magnet lifting jacks, and particularly relates to a manual permanent magnet lifting jack with a double-lifting-position structure, which comprises a permanent magnet suction lifting device I and a permanent magnet suction lifting device II, a connecting mechanism is arranged between the permanent magnet suction lifting device I and the permanent magnet suction lifting device II, and lifting rings are fixedly mounted at the tops of the permanent magnet suction lifting device I and the permanent magnet suction lifting device II. Handle switches are arranged on the sides, away from each other, of the first permanent magnet suction and lifting device and the second permanent magnet suction and lifting device, and safety buttons matched with the handle switches are arranged on the first permanent magnet suction and lifting device and the second permanent magnet suction and lifting device; and connecting plates are fixedly mounted on the front sides and the rear sides of the permanent magnet suction lifting device I and the permanent magnet suction lifting device II. According to the utility model, the design is reasonable, the distance between the permanent magnet sucking and lifting device I and the permanent magnet sucking and lifting device II can be adjusted, and the permanent magnet sucking and lifting device I and the permanent magnet sucking and lifting device II can be adsorbed on different steel materials, so that the condition that the steel materials deviate or shake during lifting is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of permanent magnetic lifters, in particular to a manual permanent magnetic lifter with a double-hanging position structure. Background Art

[0002] The permanent magnetic lifter is composed of a strong magnetic system made of high-performance NdFeB permanent magnetic material. By turning the handle, the magnetic force of the strong magnetic system is changed to hold and release the workpiece.

[0003] At present, a permanent magnetic lifter is disclosed in a Chinese patent announcement with announcement number CN201896028U, which includes a lifting ring connected to a shell, a gasket of non-magnetic material is provided between the lifting ring and the shell, and a convex ring is provided on the outside of the lifting ring. The utility model prevents the magnetic field force of the magnet in the shell from leaking out and affecting the lifting capacity of the permanent magnetic lifter by providing a gasket of non-magnetic material between the lifting ring and the shell; a convex ring is provided on the outside of the lifting ring to fix and lock the lifting ring on the shell, and the connection between the lifting ring and the shell is more secure. The utility model has the advantages of easy installation and maintenance, large magnetic field force, and strong lifting capacity.

[0004] In actual use, it is found that the traditional manual permanent magnetic lifter has one lifting position. When the manual permanent magnetic lifter is used to lift different steels, when the manual permanent magnetic lifter is not at the center of the steel, the steel is prone to tilt and shake during lifting, posing a safety hazard. Therefore, we propose a manual permanent magnetic lifter with a double lifting position structure to solve the above problem. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a manual permanent magnetic lifter with a double-hanging position structure.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A manual permanent magnetic lifter with a double lifting position structure comprises a permanent magnetic lifter 1 and a permanent magnetic lifter 2, and a connecting mechanism is provided between the permanent magnetic lifter 1 and the permanent magnetic lifter 2;

[0008] A lifting ring is fixedly installed on the top of the permanent magnetic lifting device 1 and the permanent magnetic lifting device 2, and a handle switch is provided on the side of the permanent magnetic lifting device 1 and the permanent magnetic lifting device 2 that are away from each other, and a safety button adapted to the handle switch is provided on the permanent magnetic lifting device 1 and the permanent magnetic lifting device 2;

[0009] The connecting mechanism includes a connecting plate, a rectangular hole and a rectangular seat. The front and rear sides of the permanent magnetic lifter 1 and the permanent magnetic lifter 2 are fixedly installed with a connecting plate. A rectangular hole is opened on the connecting plate. The same rectangular seat is slidably installed in the corresponding two rectangular holes. A fixing mechanism is provided between the connecting plate and the rectangular seat.

[0010] Preferably, the fixing mechanism comprises a fixing groove, a movable groove and a fixing pin, the fixing groove is provided on the rectangular seat, the movable groove is provided on the inner wall of the rectangular hole, a fixing pin is slidably installed in the movable groove, and the fixing pin is adapted to the corresponding fixing groove.

[0011] Preferably, a pushing hole is opened on an inner wall of one side of the movable groove, a pushing plate is slidably installed in the pushing hole, and the pushing plate is fixedly connected to the fixing pin.

[0012] Preferably, a screw is fixedly mounted on one side of the connecting plate, and an extrusion mechanism connected to the pushing plate is provided on the screw.

[0013] Preferably, the extrusion mechanism comprises an extrusion plate and a hinged rod, the extrusion plate is movably sleeved on the screw rod, two hinged rods are hinged on one side of the extrusion plate, and one end of the hinged rod is hinged on the push plate.

[0014] Preferably, a nut is threadedly mounted on the screw rod, and the nut is matched with the extrusion plate, and a plurality of handles are fixedly mounted in an annular shape at equal intervals on the outer side of the nut.

[0015] Preferably, a reinforcing plate is fixedly mounted on the two corresponding rectangular seats, and a guiding mechanism is provided between the reinforcing plate and the corresponding permanent magnetic lifter 1 and permanent magnetic lifter 2.

[0016] Preferably, the guide mechanism includes a guide plate and a guide seat, and two guide plates are fixedly installed on the front and rear sides of the permanent magnetic lifter 1 and the permanent magnetic lifter 2, the same guide seat is fixedly installed between the two guide plates, and the reinforcing plate is slidably mounted on the corresponding guide seat.

[0017] Beneficial effects of the utility model:

[0018] 1. By providing a permanent magnetic lifter 1 and a permanent magnetic lifter 2, which are connected to two lifting rings through a hook, the permanent magnetic lifter 1 and the permanent magnetic lifter 2 can be adsorbed on the steel, thereby reducing the deviation or shaking of the steel during lifting;

[0019] 2. Through the cooperation of the handle, the nut and the extrusion plate, the purpose of fixing and releasing the extrusion plate can be achieved. The extrusion plate can drive the pushing plate and the fixing pin to move through the hinged rod, so as to achieve the purpose of fixing and releasing the connecting plate. By moving the connecting plate, the distance between the permanent magnetic lifter 1 and the permanent magnetic lifter 2 can be adjusted, so as to be suitable for lifting steel of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a three-dimensional structural schematic diagram of a manual permanent magnetic lifter with a double lifting position structure proposed by the utility model;

[0021] Figure 2 It is a partial cross-sectional three-dimensional structural schematic diagram of a manual permanent magnetic lifter with a double lifting position structure proposed by the utility model;

[0022] Figure 3 The utility model is a schematic structural diagram of part A of a manual permanent magnetic lifter with a double lifting position structure.

[0023] In the figure: 1. Permanent magnetic lifter 1; 2. Permanent magnetic lifter 2; 3. Lifting ring; 4. Handle switch; 5. Safety button; 6. Connecting plate; 7. Rectangular hole; 8. Rectangular seat; 9. Reinforcement plate; 10. Guide plate; 11. Guide seat; 12. Fixed slot; 13. Moving slot; 14. Fixed pin; 15. Push hole; 16. Push plate; 17. Screw; 18. Extrusion plate; 19. Articulated rod; 20. Nut; 21. Handle. DETAILED DESCRIPTION

[0024] The technical solution of the utility model will be described clearly and completely below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Reference Figure 1-3 A manual permanent magnetic lifter with a double lifting position structure includes a permanent magnetic lifter 1 and a permanent magnetic lifter 2, and a connecting mechanism is provided between the permanent magnetic lifter 1 and the permanent magnetic lifter 2, a lifting ring 3 is fixedly installed on the top of the permanent magnetic lifter 1 and the permanent magnetic lifter 2, a handle switch 4 is provided on the side away from each other of the permanent magnetic lifter 1 and the permanent magnetic lifter 2, and a safety button 5 adapted to the handle switch 4 is provided on the permanent magnetic lifter 1 and the permanent magnetic lifter 2, and the connecting mechanism includes a connecting plate 6, a rectangular hole 7 and A rectangular seat 8, a permanent magnetic lifter 1 and a permanent magnetic lifter 2 are fixedly installed with a connecting plate 6 on the front and rear sides, a rectangular hole 7 is opened on the connecting plate 6, and the same rectangular seat 8 is slidably installed in the corresponding two rectangular holes 7, and a fixing mechanism is provided between the connecting plate 6 and the rectangular seat 8. The permanent magnetic lifter 1 and the permanent magnetic lifter 2 are provided, and are connected to the two lifting rings 3 through a hook. The permanent magnetic lifter 1 and the permanent magnetic lifter 2 can be adsorbed on the steel, thereby reducing the displacement or shaking of the steel during lifting.

[0026] In this embodiment, the fixing mechanism includes a fixing groove 12, a movable groove 13 and a fixing pin 14. The fixing groove 12 is opened on the rectangular seat 8, and the movable groove 13 is opened on the inner wall of the rectangular hole 7. A fixing pin 14 is slidably installed in the movable groove 13. The fixing pin 14 is adapted to the corresponding fixing groove 12. By providing the fixing pin 14 and the fixing groove 12, the purpose of fixing and releasing the connecting plate 6 and the rectangular seat 8 can be achieved.

[0027] In this embodiment, a pushing hole 15 is opened on the inner wall of one side of the movable groove 13, and a pushing plate 16 is slidably installed in the pushing hole 15, and the pushing plate 16 is fixedly connected to the fixing pin 14. By providing the pushing plate 16, the pushing plate 16 can drive the fixing pin 14 to move, and a screw rod 17 is fixedly installed on one side of the connecting plate 6, and the screw rod 17 is provided with an extrusion mechanism connected to the pushing plate 16.

[0028] In this embodiment, the extrusion mechanism includes an extrusion plate 18 and a hinged rod 19. The extrusion plate 18 is movably mounted on the screw 17. Two hinged rods 19 are hinged on one side of the extrusion plate 18. One end of the hinged rod 19 is hinged on the push plate 16. A nut 20 is threadedly installed on the screw 17, and the nut 20 is adapted to the extrusion plate 18. A plurality of handles 21 are fixedly installed in a circular shape at equal intervals on the outer side of the nut 20. By providing the nut 20 and the screw 17, the nut 20 can rotate and move on the screw 17, and the purpose of extruding, fixing or releasing the fixing of the extrusion plate 18 can be achieved through the nut 20.

[0029] In this embodiment, a reinforcing plate 9 is fixedly installed on the corresponding two rectangular seats 8, and a guide mechanism is provided between the reinforcing plate 9 and the corresponding permanent magnetic lifter 1 and permanent magnetic lifter 2, the guide mechanism includes a guide plate 10 and a guide seat 11, two guide plates 10 are fixedly installed on the front and rear sides of the permanent magnetic lifter 1 and permanent magnetic lifter 2, the same guide seat is fixedly installed between the two guide plates 10, and the reinforcing plate 9 is slidably mounted on the corresponding guide seat 11, by providing the guide plate 10 and the guide seat 11, the reinforcing plate 9 can be guided, thereby achieving the purpose of stable movement of the reinforcing plate 9 and the rectangular seat 8.

[0030] In the utility model, a permanent magnetic lifter 1 and a permanent magnetic lifter 2 are provided, which are connected to two lifting rings 3 through a hook. The permanent magnetic lifter 1 and the permanent magnetic lifter 2 can be adsorbed on the steel, thereby reducing the displacement or shaking of the steel during lifting. By rotating the handle 21 and the nut 20, the nut 20 can be moved while rotating, and the nut 20 can squeeze or release the squeeze plate 18, thereby achieving the purpose of fixing and releasing the squeeze plate 18. When the squeeze plate 18 is released, the squeeze plate 18 can drive the push plate 16 and the fixing pin 14 to move through the hinged rod 19, thereby achieving the purpose of fixing and releasing the connecting plate 6. By moving the connecting plate 6, the distance between the permanent magnetic lifter 1 and the permanent magnetic lifter 2 can be adjusted, thereby being suitable for lifting steels of different sizes.

[0031] The above is a detailed introduction to a manual permanent magnetic lifter with a double lifting position structure provided by the utility model. This article uses specific embodiments to explain the principle and implementation method of the utility model. The description of the above embodiments is only used to help understand the method and core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. A manual permanent magnetic lifter with a double lifting position structure, characterized in that: It comprises a permanent magnetic lifter 1 (1) and a permanent magnetic lifter 2 (1), and a connecting mechanism is provided between the permanent magnetic lifter 1 (1) and the permanent magnetic lifter 2 (2); A lifting ring (3) is fixedly mounted on the top of the permanent magnetic lifting device 1 (1) and the permanent magnetic lifting device 2 (2); a handle switch (4) is provided on the side of the permanent magnetic lifting device 1 (1) and the permanent magnetic lifting device 2 (2) that is away from each other, and a safety button (5) that is compatible with the handle switch (4) is provided on the permanent magnetic lifting device 1 (1) and the permanent magnetic lifting device 2 (2); The connecting mechanism comprises a connecting plate (6), a rectangular hole (7) and a rectangular seat (8); the front and rear sides of the permanent magnetic lifter 1 (1) and the permanent magnetic lifter 2 (2) are fixedly mounted with a connecting plate (6); a rectangular hole (7) is provided on the connecting plate (6); the same rectangular seat (8) is slidably mounted in two corresponding rectangular holes (7); and a fixing mechanism is provided between the connecting plate (6) and the rectangular seat (8).

2. A manual permanent magnetic lifter with a double lifting position structure according to claim 1, characterized in that: The fixing mechanism comprises a fixing groove (12), a movable groove (13) and a fixing pin (14); the fixing groove (12) is provided on the rectangular seat (8); the movable groove (13) is provided on the inner wall of the rectangular hole (7); a fixing pin (14) is slidably installed in the movable groove (13); and the fixing pin (14) is matched with the corresponding fixing groove (12).

3. A manual permanent magnetic lifter with a double lifting position structure according to claim 2, characterized in that: A pushing hole (15) is provided on an inner wall of one side of the movable groove (13), a pushing plate (16) is slidably installed in the pushing hole (15), and the pushing plate (16) is fixedly connected to the fixing pin (14).

4. A manual permanent magnetic lifter with a double lifting position structure according to claim 1, characterized in that: A screw rod (17) is fixedly mounted on one side of the connecting plate (6), and an extrusion mechanism connected to the pushing plate (16) is provided on the screw rod (17).

5. A manual permanent magnetic lifter with a double lifting position structure according to claim 4, characterized in that: The extrusion mechanism comprises an extrusion plate (18) and a hinged rod (19); the extrusion plate (18) is movably sleeved on the screw rod (17); one side of the extrusion plate (18) is hinged to two hinged rods (19); one end of the hinged rod (19) is hinged to the push plate (16).

6. A manual permanent magnetic lifter with a double lifting position structure according to claim 4, characterized in that: A nut (20) is threadedly mounted on the screw rod (17), and the nut (20) is matched with the extrusion plate (18). A plurality of handles (21) are fixedly mounted in an annular shape at equal intervals on the outer side of the nut (20).

7. A manual permanent magnetic lifter with a double lifting position structure according to claim 1, characterized in that: A reinforcing plate (9) is fixedly mounted on the two corresponding rectangular seats (8), and a guiding mechanism is provided between the reinforcing plate (9) and the corresponding permanent magnetic lifting device 1 (1) and permanent magnetic lifting device 2 (2).

8. A manual permanent magnetic lifter with a double lifting position structure according to claim 7, characterized in that: The guide mechanism comprises a guide plate (10) and a guide seat (11); two guide plates (10) are fixedly mounted on the front and rear sides of the permanent magnetic lifter 1 (1) and the permanent magnetic lifter 2 (2); a same guide seat (11) is fixedly mounted between the two guide plates (10); and the reinforcing plate (9) is slidably sleeved on the corresponding guide seat (11).

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