Lifting appliance assembly with locking structure for crane

Abstract

The utility model discloses a lifting appliance component with a locking structure for a crane, which relates to the technical field of lifting equipment and comprises a support frame, a connecting rope is arranged at the top end of the support frame, a connecting seat is fixedly connected to the bottom of the connecting rope, a steel wire rope is arranged at the bottom end of the connecting seat, and the steel wire rope is fixedly connected with the connecting seat. And the bottom of the steel wire rope is fixedly connected with a fixed block. The wedge-shaped block moves by moving the fixing plate, when the fixing plate moves to a designated position, the wedge-shaped block is inserted into the hanging ring under the action of the spring, when the hanging ring is replaced, the rotating shaft can be rotated, so that the gear drives the two racks to move reversely, and when the racks move, the inserting block is separated from the connecting block through the connecting frame; during installation, the connecting block is placed at a designated position, then the rotating shaft is reversely rotated, the inserting block is inserted into the connecting block, in the design, the hanging ring can be fixed in the transportation process, the hanging ring can be replaced through simple operation, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of lifting equipment, in particular to a sling assembly for a crane with a locking structure. Background Technique

[0002] With the progress of the current scientific and technological level and the continuous increase of large-scale production equipment, cranes are needed in the production process. A sling for a crane refers to a device for lifting heavy objects in a hoisting machine. Common slings for lifting finished items are hooks, slings, and eyebolts, etc.

[0003] In a sling for a crane with the patent number CN215755945U, first insert the second crossbar into the coil steel, then start the motor to drive the pressing plate to move towards the coil steel and press against it. After the pressing plate presses against the coil steel, the indicator light comes on. The staff loosens the nut, moves the hook body and makes the hook body contact with the coil steel, and then tightens the nut, so as to fix the hook body.

[0004] However, in this device, there are still problems that the eyebolt cannot be fixed during transportation, the object may fall during transportation, it is difficult to replace the eyebolt, and at the same time, the use range of the sling cannot be adjusted. Content of the Utility Model

[0005] The purpose of the utility model is to provide a sling assembly for a crane with a locking structure to solve the problems that the eyebolt cannot be fixed during transportation, the object may fall during transportation, it is difficult to replace the eyebolt, and at the same time, the use range of the sling cannot be adjusted.

[0006] To achieve the above object, the present utility model provides the following technical solution: A lifting tool assembly for a crane with a locking structure, including a support frame. A connecting rope is provided at the top end of the support frame, which can play a connecting role. The bottom of the connecting rope is fixedly connected with a connecting seat, which can play a connecting role. A steel wire rope is provided at the bottom end of the connecting seat. The bottom of the steel wire rope is fixedly connected with a fixing block, which can play a fixing role. The bottom of the fixing block is detachably connected with a connecting block, which can play a connecting role. A rotating shaft penetrating through its interior is rotatably connected to the front surface of the fixing block and can rotate. One end of the rotating shaft is fixedly connected with a gear, which can be driven by meshing. A connecting frame is slidably connected inside the fixing block and can play a connecting role. A rack meshing with the gear is fixedly connected to one side of the top end of the connecting frame and can be driven by meshing. An insertion block is fixedly connected to one side of the bottom end of the connecting frame and can move. A lifting ring is fixedly connected to the bottom of the connecting block. A fixing plate is slidably connected to the top end of the lifting ring and can play a fixing role. A moving shaft penetrating through its interior is slidably connected to one side of the fixing plate and can move. A wedge block is fixedly connected to one end of the moving shaft and can move. A blocking plate is fixedly connected to the outside of the moving shaft. A spring is provided inside the fixing plate on the side of the blocking plate and can provide elastic force. One end of the spring is fixedly connected to the blocking plate.

[0007] As a further scheme of the present utility model: A forward and reverse lead screw penetrating through the inside of the connecting seat is rotatably connected to one side of the connecting seat and can rotate. A handle is fixedly connected to one end of the forward and reverse lead screw and can drive the forward and reverse lead screw to rotate. A moving block is rotatably connected to the outside of the forward and reverse lead screw and can move.

[0008] As a further scheme of the present utility model: The number of the racks is two, and the two racks are placed in opposite directions, so that the gear can drive the two racks to move in opposite directions when rotating.

[0009] As a further scheme of the present utility model: An insertion groove matching with the insertion block is formed inside the connecting block, so that the insertion block can be inserted into the inside of the connecting block.

[0010] As a further scheme of the present utility model: A fixing groove matching with the wedge block is formed inside the lifting ring, so that the wedge block can move into the inside of the lifting ring.

[0011] As a further scheme of the present utility model: The number of the moving blocks is two, and the two moving blocks are respectively placed at both ends of the forward and reverse lead screw, so that the forward and reverse lead screw can drive the two moving blocks to move simultaneously when rotating.

[0012] As a further scheme of the present utility model: The steel wire rope passes through the moving block and is slidably connected thereto.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. When moving, the fixed plate is moved to make the wedge block move. When the fixed plate moves to the specified position, the wedge block is inserted into the inside of the hanging ring under the action of the spring. When replacing the hanging ring, the rotating shaft can be rotated to make the gear drive the two racks to move in the opposite direction. When the racks move, the insertion block is separated from the connection block through the connecting frame. During installation, the connection block is placed at the specified position, and then the rotating shaft is rotated in the reverse direction to make the insertion block insert into the inside of the connection block. In this design, the hanging ring can be fixed during transportation, and the hanging ring can be replaced through simple operations, improving work efficiency;

[0015] 2. When moving, the handle is rotated. When the handle rotates, it drives the positive and negative lead screw to rotate. When the positive and negative lead screw rotates, it can drive the two moving blocks to move in the opposite direction. When the moving blocks move, they drive the steel wire rope to move. When the steel wire rope moves, it drives the fixed block to move, and the use range of the lifting tool can be adjusted. When the moving block drives the steel wire rope to move, in this design, the height of the fixed block can be adjusted, and the length and height of the lifting tool can be adjusted simultaneously. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic structural diagram of the utility model;

[0017] Figure 2 is a schematic diagram of the adjustment structure of the utility model;

[0018] Figure 3 is a split view of the adjustment structure of the utility model;

[0019] Figure 4 is a schematic diagram of the lifting tool mechanism of the utility model;

[0020] Figure 5 is a split view of the disassembly, assembly and fixing structure of the utility model;

[0021] Figure 6 is an enlarged view of part A of the utility model.

[0022] In the figure: 1, support frame; 2, connecting rope; 3, connecting seat; 4, handle; 5, positive and negative lead screw; 6, moving block; 7, steel wire rope; 8, fixed block; 9, connection block; 10, rotating shaft; 11, gear; 12, rack; 13, connecting frame; 14, insertion block; 15, hanging ring; 16, fixed plate; 17, moving shaft; 18, wedge block; 19, blocking plate; 20, spring. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0024] Please refer to Figures 1 to 6 , in the embodiment of the present invention, a sling assembly for a crane with a locking structure includes a support frame 1. A connecting rope 2 is provided at the top end of the support frame 1. The bottom of the connecting rope 2 is fixedly connected to a connecting seat 3. A steel wire rope 7 is provided at the bottom end of the connecting seat 3. The bottom of the steel wire rope 7 is fixedly connected to a fixing block 8. The bottom of the fixing block 8 is detachably connected to a connecting block 9. A rotating shaft 10 passing through its interior is rotatably connected to the front surface of the fixing block 8. One end of the rotating shaft 10 is fixedly connected to a gear 11. A connecting frame 13 is slidably connected to the interior of the fixing block 8. A rack 12 meshing with the gear 11 is fixedly connected to one side of the top end of the connecting frame 13. An insertion block 14 is fixedly connected to one side of the bottom end of the connecting frame 13. A lifting ring 15 is fixedly connected to the bottom of the connecting block 9. A fixing plate 16 is slidably connected to the top end of the lifting ring 15. A moving shaft 17 passing through its interior is slidably connected to one side of the fixing plate 16. One end of the moving shaft 17 is fixedly connected to a wedge block 18. A blocking plate 19 is fixedly connected to the outer side of the moving shaft 17. A spring 20 is provided on one side of the fixing plate 16 inside the blocking plate 19. One end of the spring 20 is fixedly connected to the blocking plate 19.

[0025] In this embodiment: By moving the fixing plate 16, one end of the lifting ring 15 passes through the fixing plate 16. When the fixing plate 16 moves, the wedge block 18 moves. When the wedge block 18 moves, it drives the moving shaft 17 to move. When the fixing plate 16 moves to a specified position, under the elastic force of the spring 20, the wedge block 18 is inserted into the interior of the lifting ring 15 to fix the lifting ring 15 and prevent the object from falling during transportation. When the lifting ring 15 needs to be replaced, the rotating shaft 10 can be rotated. When the rotating shaft 10 rotates, it drives the gear 11 to rotate. When the gear 11 rotates, it drives the two racks 12 to move in opposite directions. When the racks 12 move, they drive the connecting frame 13 to move. When the connecting frame 13 moves, it drives the insertion block 14 to move, so that the insertion block 14 disengages from the connecting block 9, and then the lifting ring 15 can be replaced. During installation, the connecting block 9 is placed at a specified position, and then the rotating shaft 10 is rotated in the reverse direction, so that the insertion block 14 is inserted into the interior of the connecting block 9 to fix the connecting block 9 and the lifting ring 15.

[0026] Please refer specifically to Figure 3, one side of the connecting seat 3 is rotatably connected with a left - right screw rod 5 penetrating into the inside of the connecting seat 3. One end of the left - right screw rod 5 is fixedly connected with a handle 4, and the outside of the left - right screw rod 5 is rotatably connected with a moving block 6.

[0027] In this embodiment: By rotating the handle 4, when the handle 4 rotates, it drives the left - right screw rod 5 to rotate. When the left - right screw rod 5 rotates, it can drive the two moving blocks 6 to move in opposite directions. When the moving block 6 moves, it drives the steel wire rope 7 to move. When the steel wire rope 7 moves, it drives the fixed block 8 to move, so as to adjust the use range of the lifting tool. When the moving block 6 drives the steel wire rope 7 to move, it can adjust the height of the fixed block 8.

[0028] Please refer specifically to Figure 3 and Figure 5 , the number of the racks 12 is two, and the two racks 12 are placed in opposite directions. The number of the moving blocks 6 is two, and the two moving blocks 6 are respectively placed at both ends of the left - right screw rod 5. The steel wire rope 7 passes through the moving block 6 and is slidably connected with it.

[0029] In this embodiment: Through the two racks 12 provided, when the gear 11 rotates, it can drive the two racks 12 to move in opposite directions. Through the two moving blocks 6 provided, when the left - right screw rod 5 rotates, it can drive the two moving blocks 6 to move simultaneously. The steel wire rope 7 passes through the moving block 6, so that when the moving block 6 moves, it can adjust the length of the steel wire rope 7.

[0030] Please refer specifically to Figure 5 , an insertion groove matching with the insertion block 14 is opened inside the connecting block 9, and a fixing groove matching with the wedge - shaped block 18 is opened inside the hanging ring 15.

[0031] In this embodiment: Through the opened insertion groove, the insertion block 14 can be inserted into the inside of the connecting block 9 to fix the lifting tool. Through the opened fixing groove, the wedge - shaped block 18 can move into the inside of the hanging ring 15 to fix the hanging ring 15.

[0032] The working principle of the present utility model is as follows: When in use, the handle 4 can be rotated. When the handle 4 rotates, it drives the left - right screw rod 5 to rotate. When the left - right screw rod 5 rotates, it can drive the two moving blocks 6 to move in opposite directions. When the moving blocks 6 move, they drive the steel wire ropes 7 to move. When the steel wire ropes 7 move, they drive the fixed blocks 8 to move, so as to adjust the usage range of the lifting appliance. When the moving blocks 6 drive the steel wire ropes 7 to move, the height of the fixed blocks 8 can be adjusted, and the length and height of the lifting appliance can be adjusted simultaneously. When the lifting ring 15 is placed at the designated position, the fixed plate 16 can be moved, so that one end of the lifting ring 15 passes through the fixed plate 16. When the fixed plate 16 moves, the wedge - shaped block 18 moves. When the wedge - shaped block 18 moves, it drives the moving shaft 17 to move. When the fixed plate 16 moves to the designated position, under the elastic force of the spring 20, the wedge - shaped block 18 is inserted into the interior of the lifting ring 15 to fix the lifting ring 15, preventing the object from falling during transportation. When it is necessary to replace the lifting ring 15, the rotating shaft 10 can be rotated. When the rotating shaft 10 rotates, it drives the gear 11 to rotate. When the gear 11 rotates, it drives the two racks 12 to move in opposite directions. When the racks 12 move, they drive the connecting frame 13 to move. When the connecting frame 13 moves, it drives the insertion block 14 to move, so that the insertion block 14 disengages from the connecting block 9, and then the lifting ring 15 can be replaced. During installation, the connecting block 9 is placed at the designated position, and then the rotating shaft 10 is rotated in the reverse direction, so that the insertion block 14 is inserted into the interior of the connecting block 9 to fix the connecting block 9 and the lifting ring 15. It can not only fix the lifting ring 15 during transportation, but also replace the lifting ring 15 through simple operations, improving the work efficiency.

[0033] The above - mentioned is only the preferred specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, makes equivalent substitutions or changes, and all should be covered within the protection scope of the present utility model.

Claims

1. A sling assembly for a crane with a locking structure, comprising a support frame (1), characterized in that, A connecting rope (2) is provided at the top of the support frame (1). The bottom of the connecting rope (2) is fixedly connected to a connecting seat (3). A steel wire rope (7) is provided at the bottom of the connecting seat (3). The bottom of the steel wire rope (7) is fixedly connected to a fixing block (8). The bottom of the fixing block (8) is detachably connected to a connecting block (9). A rotating shaft (10) passing through its interior is rotatably connected to the front surface of the fixing block (8). One end of the rotating shaft (10) is fixedly connected to a gear (11). A connecting frame (13) is slidably connected to the interior of the fixing block (8). One side of the top of the connecting frame (13) is fixedly connected to a rack (12) meshing with the gear (11). One side of the bottom of the connecting frame (13) is fixedly connected to an insertion block (14). A hanging ring (15) is fixedly connected to the bottom of the connecting block (9). A fixing plate (16) is slidably connected to the top of the hanging ring (15). A moving shaft (17) passing through its interior is slidably connected to one side of the fixing plate (16). One end of the moving shaft (17) is fixedly connected to a wedge block (18). A blocking plate (19) is fixedly connected to the outside of the moving shaft (17). A spring (20) is provided on one side of the blocking plate (19) inside the fixing plate (16). One end of the spring (20) is fixedly connected to the blocking plate (19).

2. The sling assembly for a crane with a locking structure according to claim 1, characterized in that, One side of the connecting seat (3) is rotatably connected to a positive and negative lead screw (5) passing through the interior of the connecting seat (3). One end of the positive and negative lead screw (5) is fixedly connected to a handle (4). A moving block (6) is rotatably connected to the outside of the positive and negative lead screw (5).

3. The sling assembly for a crane with a locking structure according to claim 1, characterized in that, The number of the racks (12) is two, and the two racks (12) are placed in opposite directions.

4. A spreader assembly for a crane with a locking structure according to claim 1, characterized in that, An insertion groove matching with the insertion block (14) is formed in the interior of the connecting block (9).

5. A sling assembly for a crane with a locking structure according to claim 1, characterized in that, A fixing groove matching with the wedge block (18) is formed in the interior of the hanging ring (15).

6. The sling assembly for a crane with a locking structure according to claim 2, wherein, The number of the moving blocks (6) is two, and the two moving blocks (6) are respectively placed at both ends of the positive and negative lead screw (5).

7. A sling assembly for a crane with a locking structure according to claim 2, characterized in that, The steel wire rope (7) passes through the moving block (6) and is slidably connected thereto.

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