Efficient crane hook automatic replacing device

Abstract

The utility model discloses an efficient automatic crane hook replacing device and relates to the technical field of crane hook replacement. Comprising a lifting hook body, a lifting hook connecting frame is arranged over the lifting hook body, a mounting piece is fixedly arranged at the bottom end of the lifting hook connecting frame, a mounting block is fixedly arranged at the top end of the lifting hook body, a mounting groove is formed in the mounting piece, and the mounting block is used in cooperation with the mounting groove; first grooves distributed in an annular array mode are formed in the mounting part, lead screws are rotationally arranged in the first grooves, the outer portions of the lead screws are sleeved with first sliding blocks in a threaded mode, the first sliding blocks are arranged in the first grooves in a sliding mode, and first sliding grooves distributed in an annular array mode are formed in the mounting part. A worker does not need to use a specific tool when replacing the lifting hook body, so that the lifting hook is relatively convenient to use, relatively high in automation degree and time-saving and labor-saving.

Description

Technical Field

[0001] The utility model relates to the technical field of crane hook replacement, in particular to a high-efficiency crane hook automatic replacement device. Background Art

[0002] Cranes are mainly used for field lifting, emergency rescue, stations, docks and other different working occasions for lifting and hoisting operations. Especially when loading and unloading goods at dock yards, cranes are one of the most commonly used equipment. Gantry cranes, automobile cranes, tire cranes, crawler cranes are widely used, and tire cranes have longer booms, which are particularly suitable for stacking higher cargo or loading and unloading ships.

[0003] When a crane is in use, the hook needs to be replaced regularly to avoid safety accidents caused by not replacing the hook for a long time. However, the existing hooks are generally directly fixed to the hook connecting frame of the crane. It is troublesome for the staff to replace the hooks and they need to use specific tools, which is not only time-consuming and labor-intensive, but also inefficient. Utility Model Content

[0004] In order to solve the problem that it is troublesome for workers to replace the hook; the purpose of the utility model is to provide a high-efficiency automatic replacement device for crane hooks.

[0005] To solve the above technical problems, the utility model adopts the following technical scheme: it includes a hook body, a hook connecting frame is provided just above the hook body, a mounting piece is fixedly provided at the bottom end of the hook connecting frame, a mounting block is fixedly provided at the top end of the hook body, a mounting groove is provided in the mounting piece, the mounting block is used in conjunction with the mounting groove, a card slot distributed in an annular array is provided on the top of the mounting block, a first groove distributed in an annular array is provided inside the mounting piece, a screw rod is rotatably provided in the first groove, a first slider is provided on the external thread sleeve of the screw rod, the first slider is slidably arranged in the first groove, a first slide groove distributed in an annular array is provided in the mounting piece, a first movable plate is fixedly provided at the bottom end of the first slide groove, the first movable plate is slidably arranged in the first slide groove, a card block is fixedly provided on the bottom of one side of the first movable plate close to the mounting groove, and the card block is used in conjunction with the card slot.

[0006] Preferably, the interior of the mounting member is provided with a symmetrically distributed second groove, the second groove is located directly below the first groove, a double-headed screw is rotatably provided in the second groove, the external thread sleeve of the double-headed screw is provided with a symmetrically distributed second slider, the second slider is slidably set in the second groove, the mounting member is provided with a uniformly distributed second slide groove, a second movable plate is fixedly provided on the side of the second slider close to the mounting groove, the second movable plate is slidably set in the second slide groove, a reinforcement block is fixedly provided on the side of the second movable plate close to the mounting groove, and a mirror-distributed reinforcement groove is provided at the bottom of the mounting block, the reinforcement groove is used in conjunction with the reinforcement block.

[0007] Compared with the prior art, the beneficial effects of the utility model are:

[0008] 1. This application can achieve the effect of facilitating the replacement of the hook body. The staff does not need to use specific tools when replacing the hook body. It is convenient to use, has a high degree of automation, and saves time and effort.

[0009] 2. The present application can increase the strength of the installation connection between the hook body and the hook connecting frame, thereby improving the safety of the hook body when in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0011] Figure 1 It is a schematic diagram of the structure of the utility model.

[0012] Figure 2 It is a structural schematic diagram of the mounting block and the mounting groove in the utility model.

[0013] Figure 3 It is a schematic diagram of the structure after the installation parts in the utility model are disassembled.

[0014] Figure 4 It is a schematic diagram of the connection structure between the first sliding block and the first moving plate in the utility model.

[0015] Figure 5 It is a schematic diagram of the connection structure between the double-headed screw and the second sliding block in the utility model.

[0016] Figure 6 It is a schematic diagram of the connection structure between the second transmission rod and the limiting member in the utility model.

[0017] Figure 7 It is a schematic diagram of the connection structure between the first transmission rod and the first limiting member in the utility model.

[0018] In the figure: 1. hook body; 11. hook connecting frame; 2. mounting piece; 21. mounting block; 22. mounting groove; 23. clamping slot; 24. first groove; 25. screw rod; 26. first slider; 27. first slide slot; 28. first movable plate; 29. ​​clamping block; 210. connecting slot; 220. transmission bevel gear; 3. second groove; 31. double-headed screw rod; 32. second slider; 33. second slide slot; 34. second movable plate; 35. reinforcement block; 36. reinforcement slot; 310. first empty slot; 320. first bevel gear; 330. first transmission rod; 340. first limiting piece; 4. second bevel gear; 40. second empty slot; 41. third bevel gear; 42. second transmission rod; 410. second limiting piece; 5. driving rod; 51. motor. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0020] Example: Figure 1-7 As shown, the utility model provides a high-efficiency automatic replacement device for a crane hook, comprising a hook body 1, a hook connecting frame 11 is provided directly above the hook body 1, a mounting member 2 is fixedly provided at the bottom end of the hook connecting frame 11, a mounting block 21 is fixedly provided at the top end of the hook body 1, a mounting groove 22 is provided in the mounting member 2, the mounting block 21 is used in conjunction with the mounting groove 22, a clamping groove 23 distributed in an annular array is provided at the top of the mounting block 21, a first groove 24 distributed in an annular array is provided inside the mounting member 2, a screw rod 25 is rotatably provided in the first groove 24, a first slider 26 is provided on the external thread sleeve of the screw rod 25, the first slider 26 is slidably arranged in the first groove 24, a first slide groove 27 distributed in an annular array is provided in the mounting member 2, a first movable plate 28 is fixedly provided at the bottom end of the first slider 26, the first movable plate 28 is slidably arranged in the first slide groove 27, a clamping block 29 is fixedly provided at the bottom of one side of the first movable plate 28 close to the mounting groove 22, and the clamping block 29 is used in conjunction with the clamping groove 23.

[0021] A symmetrically distributed second groove 3 is provided inside the mounting member 2, and the second groove 3 is located directly below the first groove 24. A double-headed screw 31 is rotatably provided in the second groove 3, and an external threaded sleeve of the double-headed screw 31 is provided with a symmetrically distributed second slider 32, and the second slider 32 is slidably set in the second groove 3. An evenly distributed second slide groove 33 is provided in the mounting member 2, and a second movable plate 34 is fixedly provided on the side of the second slider 32 close to the mounting groove 22, and the second movable plate 34 is slidably set in the second slide groove 33. A reinforcement block 35 is fixedly provided on the side of the second movable plate 34 close to the mounting groove 22, and a mirror-distributed reinforcement groove 36 is provided at the bottom of the mounting block 21, and the reinforcement groove 36 is used in conjunction with the reinforcement block 35.

[0022] A connecting groove 210 is opened in the mounting member 2, and the ends of the screw rods 25 that are close to each other rotate and pass through the inner wall of the mounting member 2 and are placed in the connecting groove 210. The ends of the screw rods 25 that are close to each other are fixed with the transmission bevel gear 220, and the transmission bevel gears 220 are meshed and connected with each other, and the transmission bevel gears 220 are rotatably set in the connecting groove 210.

[0023] A first empty slot 310 is opened in the mounting member 2, and one end of the double-headed screw 31 rotates through the inner wall of one side of the mounting member 2 and is placed in the first empty slot 310. Two meshing first bevel gears 320 are fixedly arranged at one end of the double-headed screw 31, and a first transmission rod 330 is fixedly arranged on one side of the first bevel gears 320 close to each other. The first transmission rod 330 is rotatably arranged in the first empty slot 310.

[0024] A second empty slot 40 is opened in the mounting member 2, in which one end of one screw rod 25 away from the transmission bevel gear 220 rotates and passes through the inner wall of one side of the mounting member 2 and is placed in the second empty slot 40, and one end of one screw rod 25 away from the transmission bevel gear 220 is fixedly provided with two meshing second bevel gears 4, and one end of one double-headed screw rod 31 away from the first bevel gear 320 rotates and passes through the inner wall of one side of the mounting member 2 and is placed in the second empty slot 40, and one end of one double-headed screw rod 31 away from the first bevel gear 320 is fixedly provided with two meshing third bevel gears 41, and a second transmission rod 42 is fixedly provided on the side where the second bevel gear 4 and the third bevel gear 41 are close to each other, and the second transmission rod 42 is rotatably set in the second empty slot 40.

[0025] A driving rod 5 is fixedly provided at one end of one of the double-headed screws 31 away from the first bevel gear 320. The driving rod 5 rotates and passes through a side wall of the mounting member 2 and is placed outside. A motor 51 is provided at one end of the driving rod 5. The driving end of the motor 51 is coaxially fixedly installed with the driving rod 5.

[0026] The outer rotating sleeve of the first transmission rod 330 is provided with a first limiting member 340, and the first limiting member 340 is fixedly installed with the inner wall of the mounting member 2; by setting the first limiting member 340, the effect of fixing and limiting the first transmission rod 330 is achieved, so that the first transmission rod 330 can rotate stably.

[0027] The outer rotating sleeve of the second transmission rod 42 is provided with a second limit member 410, and the second limit member 410 is fixedly installed with the inner wall of the mounting member 2; by setting the second limit member 410, the effect of fixing and limiting the second transmission rod 42 is achieved, so that the second transmission rod 42 can rotate stably.

[0028] Working principle: First, when the hook body 1 is replaced, the starting motor 51 drives the driving rod 5 to control one of the double-headed screws 31 to rotate, and one of the double-headed screws 31 drives the other double-headed screw 31 to rotate through the first bevel gear 320 and the first transmission rod 330. The double-headed screw 31 drives the second slider 32 to move during the rotation, and the second slider 32 drives the reinforcement block 35 to move through the second moving plate 34. When the reinforcement block 35 is moving, one of the double-headed screws 31 drives one of the screws 25 to rotate through the third bevel gear 41, the second transmission rod 42, and the second bevel gear 4, and one of the screws 25 drives the second bevel gear 41 through the transmission bevel gear 41. The gear 220 drives the other screw rods 25 to rotate. The screw rods 25 drive the first slider 26 to move during the rotation. The first slider 26 drives the block 29 to move through the first movable plate 28. When the reinforcement block 35 completely leaves the reinforcement groove 36 and the block 29 completely leaves the groove 23, the motor 51 is turned off and the mounting block 21 is taken out of the mounting groove 22 to complete the disassembly of the hook body 1. Subsequently, the mounting block 21 at the top of the new hook body 1 is inserted into the mounting groove 22, and the motor 51 is started to rotate in the opposite direction. When the block 29 completely enters the groove 23 and the reinforcement block 35 completely enters the reinforcement groove 36, the installation of the hook body 1 is completed.

[0029] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. An efficient automatic crane hook replacement device, comprising a hook body (1), characterized in that: A hook connecting frame (11) is provided directly above the hook body (1), a mounting member (2) is fixedly provided at the bottom end of the hook connecting frame (11), a mounting block (21) is fixedly provided at the top end of the hook body (1), a mounting groove (22) is provided in the mounting member (2), the mounting block (21) is used in conjunction with the mounting groove (22), a clamping groove (23) distributed in an annular array is provided at the top of the mounting block (21), a first groove (24) distributed in an annular array is provided inside the mounting member (2), a screw rod is rotatably provided in the first groove (24) (25), the external thread sleeve of the screw rod (25) is provided with a first slider (26), the first slider (26) is slidably set in the first groove (24), the mounting member (2) is provided with a first slide groove (27) distributed in a ring array, the bottom end of the first slider (26) is fixedly provided with a first movable plate (28), the first movable plate (28) is slidably set in the first slide groove (27), and a clamping block (29) is fixedly provided at the bottom of one side of the first movable plate (28) close to the mounting groove (22), and the clamping block (29) is used in conjunction with the clamping groove (23).

2. The efficient automatic crane hook replacement device according to claim 1, characterized in that: The mounting member (2) is provided with symmetrically distributed second grooves (3) inside, the second grooves (3) being located directly below the first grooves (24), a double-headed screw (31) being rotatably provided in the second grooves (3), an external thread sleeve of the double-headed screw (31) being provided with symmetrically distributed second sliders (32), the second sliders (32) being slidably arranged in the second grooves (3), the mounting member (2) is provided with uniformly distributed second slide grooves (33), a second movable plate (34) being fixedly arranged on a side of the second slider (32) close to the mounting groove (22), the second movable plate (34) being slidably arranged in the second slide groove (33), a reinforcing block (35) being fixedly arranged on a side of the second movable plate (34) close to the mounting groove (22), and a mirror-distributed reinforcing groove (36) being provided at the bottom of the mounting block (21), the reinforcing groove (36) being used in conjunction with the reinforcing block (35).

3. The efficient automatic crane hook replacement device according to claim 1, characterized in that: A connecting groove (210) is provided in the mounting member (2); one end of the screw rod (25) close to each other rotates through the inner wall of the mounting member (2) and is placed in the connecting groove (210); one end of the screw rod (25) close to each other fixes a transmission bevel gear (220); the transmission bevel gears (220) are meshedly connected with each other, and the transmission bevel gears (220) are rotatably arranged in the connecting groove (210).

4. The efficient automatic crane hook replacement device according to claim 2, characterized in that: A first empty slot (310) is provided in the mounting member (2); one end of the double-headed screw rod (31) rotates through an inner wall of one side of the mounting member (2) and is placed in the first empty slot (310); two first bevel gears (320) are fixedly provided at one end of the double-headed screw rod (31) and are meshed with each other; a first transmission rod (330) is fixedly provided on one side of the first bevel gears (320) close to each other; and the first transmission rod (330) is rotatably provided in the first empty slot (310).

5. The efficient automatic crane hook replacement device according to claim 2, characterized in that: A second empty slot (40) is provided in the mounting member (2), one end of the screw rod (25) away from the transmission bevel gear (220) rotates through the inner wall of one side of the mounting member (2) and is placed in the second empty slot (40), one end of the screw rod (25) away from the transmission bevel gear (220) is fixedly provided with two meshing second bevel gears (4), one end of the double-headed screw rod (31) away from the first bevel gear (320) rotates through the inner wall of one side of the mounting member (2) and is placed in the second empty slot (40), one end of the double-headed screw rod (31) away from the first bevel gear (320) is fixedly provided with two meshing third bevel gears (41), and a second transmission rod (42) is fixedly provided on the side of the second bevel gear (4) and the third bevel gear (41) close to each other, and the second transmission rod (42) is rotatably arranged in the second empty slot (40).

6. The efficient automatic crane hook replacement device according to claim 2, characterized in that: A driving rod (5) is fixedly provided at one end of one of the double-headed screw rods (31) away from the first bevel gear (320); the driving rod (5) is rotatably inserted through a side wall of the mounting member (2) and is disposed outside; a motor (51) is provided at one end of the driving rod (5); and the driving end of the motor (51) is coaxially fixedly mounted with the driving rod (5).

7. The efficient automatic crane hook replacement device according to claim 4, characterized in that: The first transmission rod (330) is rotatably sleeved externally with a first limiting member (340), and the first limiting member (340) is fixedly mounted on the inner wall of the mounting member (2).

8. The efficient automatic crane hook replacement device according to claim 5, characterized in that: The outer rotating sleeve of the second transmission rod (42) is provided with a second limiting member (410), and the second limiting member (410) is fixedly mounted on the inner wall of the mounting member (2).

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