A twist king block lifting appliance and lifting method

Abstract

The application relates to a twisted king block lifting tool and a lifting method, which comprises a sleeve rod, sleeves and a first connecting piece, the sleeves are distributed along the length direction of the sleeve rod, clamping frames and connecting parts are arranged on the sleeves, the connecting parts are located on the side of the sleeves away from the clamping frames, a second connecting piece is arranged between the end of the clamping frame away from the connecting part and the first connecting piece, and the two clamping frames at both ends and the middle clamping frame are distributed on both sides of the sleeve rod. The first connecting piece drives the sleeve rod and the sleeves to move upwards, so that the end of the clamping frame away from the sleeve rod rotates downwards to buckle the twisted king block, the buckling is more stable when the weight of the twisted king block is larger, the possibility of overturning of the twisted king block during lifting and moving is reduced, the second connecting piece assists in taking down the clamping frame from the twisted king block, the possibility of difficult unbuckling after the lifting is completed is reduced, and the possibility of low lifting efficiency of the twisted king block is reduced.

Description

Technical Field

[0001] This application relates to the field of lifting clamps, and in particular to a torsion block lifting clamp and lifting method. Background Technology

[0002] Reference Figure 1 The material of the twist block 1 is concrete, which is cast in one go using a shaped mold. The external shape of the twist block 1 consists of three rods 11. The two end rods 11 are parallel, and the middle rod 11 is orthogonal to the two end rods 11. The twist block mainly serves as an arc-shaped slope block and is mainly installed on the outermost layer of the slope to protect the breakwater by weakening the impact of waves. Since the twist block 1 is relatively heavy, a stable hoisting structure is required.

[0003] The traditional hoisting method involves wrapping and binding steel wire ropes around the twisted block 1, and then lifting the twisted block 1 with a crane. During the movement of the twisted block 1 by the crane, the position of the wrapped steel wire ropes changes, which changes the stress point of the twisted block 1. This causes the twisted block 1 to overturn during the lifting and transfer process. In addition, it takes a lot of time to untie the wrapped steel wire ropes, thus affecting the hoisting efficiency of the twisted block 1. Summary of the Invention

[0004] To reduce the possibility of overturning during the transfer of the torsion block or the difficulty in untying the entangled wire rope, which may affect the hoisting efficiency of the torsion block, this application provides a torsion block hoisting tool and hoisting method.

[0005] The technical solution for the torsion block lifting device provided in this application is as follows: A torsion block lifting device includes a sleeve, a sleeve rotatably mounted on the sleeve, and a first connecting member with adjustable force. Multiple sleeves are distributed along the length of the sleeve. Each sleeve is provided with a clamping frame for fitting the torsion block and a connecting portion connected to the first connecting member. The connecting portion is located on the side of the sleeve opposite to the clamping frame. A second connecting member with adjustable force is provided between the end of the clamping frame away from the connecting portion and the first connecting member. The two clamping frames at both ends and the middle clamping frame are distributed on both sides of the sleeve under the action of the first and second connecting members.

[0006] By adopting the above technical solution, three clamping frames are distributed on both sides of the sleeve rod via the first and second connecting parts. The crane moves the sleeve rod, sleeve, and three clamping frames above the torsion block. Then, the crane moves the clamping frames downward so that they contact the rods of the torsion block. The upper end of the second connecting part is moved downward manually, and then the crane moves the sleeve rod and sleeve upward. The end of the clamping rod away from the sleeve rod rotates downward and engages with the three rods of the torsion block. As the crane moves the sleeve rod and sleeve upward, the three clamping frames lock the torsion block in place, thereby moving the torsion block. After the torsion block is moved to the designated position and lowered, the upper end of the second connector is manually moved to a higher position. When the crane is raised again, the second connector drives the tail ends of the three clamping frames to move upward, and the distance between the tail ends of the clamping frames on both sides of the sleeve rod continuously increases, causing the tail ends of the clamping frames to detach from the torsion block, thereby removing the clamping frames from the torsion block. Through the connection of the clamping frames and the lifting and disassembly of the first and second connectors in coordination with the crane, the possibility of overturning or low untying efficiency when the wire rope is wrapped is reduced, thereby reducing the possibility of reduced lifting efficiency of the torsion block.

[0007] Optionally, the three clamping frames are a first clamping frame and two second clamping frames. The first clamping frame is located between the two second clamping frames. The second clamping frame includes a first clamping rod, a second clamping rod, and a third clamping rod. The first clamping rod is located at the end of the sleeve away from the first clamping frame. The second clamping rod is located at the end of the sleeve close to the first clamping frame. The third clamping rod is located at the end of the first and second clamping rods away from the sleeve. The second connecting piece is connected to the third clamping rod.

[0008] By adopting the above technical solution, the second clamping frame uses the first clamping rod, the second clamping rod, and the third clamping rod to attach one of the members of the torsion block from three sides. During the hoisting process, the third clamping rod abuts against the member of the torsion block. When the weight of the torsion block acts on the third clamping rod and the first clamping frame, the first clamping rod and the second clamping rod rotate downward under the action of gravity, so that the third clamping rod abuts the member of the torsion block more tightly. Through the three-sided attachment and the abutment of the third clamping rod, the possibility of the torsion block detaching from the clamping frame is reduced.

[0009] Optionally, a support rod parallel to the third clamping rod is provided between the first clamping frame and the first clamping rod and the second clamping rod. When clamping the torsion block, the support rod abuts against the torsion block, and the first clamping frame and the third clamping rod rotate around the support rod as the pivot point.

[0010] By adopting the above technical solution, after the first clamping frame and the second clamping frame contact the rod, when the crane drives the sleeve and the sleeve to move upward, the first clamping frame, the first clamping rod, and the second clamping rod rotate on the torsion block with the support rod as the pivot. This causes the end of the first clamping frame away from the sleeve rod and the third clamping rod to rotate downward, thereby catching the rod of the torsion block. With the support of the support rod, the end of the first clamping frame away from the sleeve and the third clamping rod rotate to below the upper end of the rod of the torsion block, improving the accuracy of the contact between the end of the first clamping frame away from the sleeve and the third clamping rod with the torsion block, and reducing the depth of the third clamping rod and the first clamping frame connecting to the rod of the torsion block, thus reducing the difficulty of disassembling the lifting device.

[0011] Optionally, the first clamping rod and the second clamping rod are provided with a support rod parallel to the third clamping rod through an adjustment component. The support rod abuts against the torsion block when clamping the torsion block, and the third clamping rod rotates with the support rod as the pivot point.

[0012] By adopting the above technical solution, when the weight and size of the torsion block change, the position of the support rod is adjusted by the adjustment component on the first and second clamping rods, so that the space between the support rod and the third clamping rod can fit the end of the torsion block rod.

[0013] Optionally, both the first clamping frame and the third clamping rod are provided with limiting blocks. The surface of the limiting block facing the sleeve is perpendicular to the side of the third clamping rod that abuts against the torsion block. The limiting block is located above the third clamping rod.

[0014] By adopting the above technical solution, the surface of the limiting block facing the sleeve and the surface of the third clamping rod are engaged and abutted on the two vertical surfaces of the twisting block rod, with one surface being the end face. The setting of the limiting block reduces the sleeve depth of the third clamping rod and reduces the difficulty of disassembling the third clamping rod from the twisting block.

[0015] Optionally, the first clamping frame includes a second mounting rod and two first mounting rods. One end of each of the two first mounting rods is disposed on the sleeve located in the middle, and the other end extends in a direction away from the third clamping rod. The second mounting rod is disposed on the end of the two first mounting rods away from the sleeve. The two ends of the support rod correspond one-to-one with the two first mounting rods and are connected by an adjusting component. The second connecting piece is connected to the second mounting rod.

[0016] By adopting the above technical solution, when the first clamping frame is fitted onto the end of the rod of the torsion block, the second mounting rod and the two first mounting rods surround the three sides of the rod, and the second mounting rod abuts against the rod. Through the abutment of the second mounting rod, it is convenient for the first clamping frame to fit and abut against the rod. By adjusting the position of the support rod on the two second mounting rods through the adjusting component, it is convenient for the space between the support rod and the second mounting rod to fit the rod of the torsion block.

[0017] Optionally, the adjustment assembly includes an adjustment block and an abutment. The first clamping rod, the second clamping rod, and the first mounting rod are each provided with an adjustment groove extending along their length. The bottom wall of the adjustment groove is provided with a plurality of evenly distributed positioning grooves. The adjustment block is disposed at the end of the support rod and is slidably disposed in the adjustment groove. The abutment is disposed on the adjustment block and abuts against the positioning groove.

[0018] By adopting the above technical solution, the adjusting block is slidably installed in the adjusting groove, and the two ends of the support rod are installed on the adjusting block. By manually pushing the support rod, the adjusting block is slid in the adjusting groove. Then, the adjusting block is positioned in the adjusting groove by the abutment. This makes it easy to adjust the position of the support rod on the first clamping rod and the second clamping rod or the two first mounting rods, and makes it easy for the distance between the support rod and the third clamping rod or the second mounting rod to be suitable for fitting the torsion block.

[0019] Optionally, the second mounting rod and the two third clamping rods are each provided with a connecting ring, and one end of the second connector is set on the first connector with an adjustable height, while the other end is sleeved with the connecting ring.

[0020] By adopting the above technical solution, the second connector is connected to the third clamping rod or the second mounting rod through the connecting ring, which reduces the possibility of wear caused by the end of the second connector abutting against the rod of the torsion block when the second mounting rod and the third clamping rod abut against the rod of the torsion block.

[0021] Optionally, a connecting chain is provided on the end of the first connector away from the sleeve rod, and the end of the connecting chain away from the first connector is used to connect to the hook of the crane.

[0022] By adopting the above technical solution, when a small range of tool height adjustment is required, the connection position of the connecting chain on the hook of the crane can be adjusted, reducing the possibility that the crane needs to be started when the lifting device is adjusted in a small range, thereby reducing the adjustment rate.

[0023] This application also provides a method for hoisting a torsion block, which adopts the following technical solution: A method for hoisting a torsion block includes the following steps: Step 1: The first connecting piece is driven by the crane to bear force between the connecting chain and the connecting part, and the second connecting piece is driven between the first connecting piece and the third clamping rod or the second mounting rod, so that the clamping frames at both ends of the sleeve rod and the clamping frame in the middle are distributed on both sides of the sleeve rod. Step 2: Manually pull the first or second connector from below the crane hook so that the three clamping frames are aligned with the three rods of the torsion block. Start the crane to lower the clamping frames so that the clamping frames are fitted downwards onto the ends of the rods of the torsion block, and the support rods are in contact with the torsion block. Step 3: Confirm that the upper end of the second connector is below the first connector. Start the crane to move the connecting chain and the first connector upward, thereby moving the sleeve rod and the sleeve upward. The clamping frame is supported by the support rod, causing the end of the clamping frame away from the sleeve to rotate downward around the support rod. As the sleeve rod and the sleeve move upward, the third clamping rod and the second mounting rod abut against the torsion block. Step 4: When the crane moves the king block to the designated position, manually pull the second connecting piece to make the king block reach the top of the designated position more accurately. After the crane moves the king block downwards, manually move the upper end of the second connecting piece to the upper end of the first connecting piece, and start the crane again. The second connecting piece drives the end of the clamping frame away from the sleeve rod to rotate upwards. With the support of the pivot of the support rod and the downward movement of the sleeve rod, the clamping frame is separated from the king block.

[0024] In summary, this application includes at least one of the following beneficial technical effects: 1. By rotating the three sleeves installed on the sleeve rod and the three clamping frames corresponding to the three sleeves, the clamping frames are connected to the three rods of the torsion block. The greater the weight of the torsion block, the more the torsion block drives the clamping frames to rotate downward on the sleeve rod, so that one end of the clamping frame on the sleeve rod is fastened to the torsion block, thereby reducing the possibility of the torsion block overturning due to changes in the force point during the lifting process. Furthermore, the clamping frame is connected to the tail end of the clamping frame through the second connecting piece, making it easy to remove the clamping frame after the lifting is completed, thereby improving the lifting efficiency of the torsion block. 2. A support rod is installed between the first clamping rod, the second clamping rod, and the two first mounting rods. When the clamping frame is above the torsion block, the support rod first contacts the rod of the torsion block. When the crane drives the sleeve rod and the sleeve to move upward through the first connecting piece, the clamping frame is supported by a support rod and a rotating shaft support rod, so that the part of the clamping frame away from the sleeve rod rotates downward and engages with the rod of the torsion block. The support rod facilitates the clamping frame to rotate downward and engage with the upper end of the rod, which facilitates the subsequent removal of the clamping frame from the torsion block. 3. The support rod is adjustable via the adjusting assembly on the first clamping rod and the second clamping rod or the two first mounting rods, so that the distance between the support rod and the third clamping rod or the support rod and the second mounting rod is suitable for fitting different sized torsion blocks. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the structure of the torsion block in the embodiment of this application.

[0026] Figure 2 This is a schematic diagram of the overall structure of an embodiment of this application.

[0027] Figure 3 This is a schematic diagram of the clamping frame in an embodiment of this application.

[0028] Figure 4 yes Figure 3The enlarged view at point A in the middle is used to show the structure of the adjustment component.

[0029] Figure 5 This is an exploded view of the adjustment component according to an embodiment of this application.

[0030] Explanation of reference numerals in the attached drawings: 1. Torsion block; 11. Rod; 2. Sleeve rod; 21. Sleeve; 22. Connecting part; 3. First clamping frame; 31. First mounting rod; 32. Second mounting rod; 4. Second clamping frame; 41. First clamping rod; 42. Second clamping rod; 421. Adjustment groove; 422. Positioning groove; 43. Third clamping rod; 44. Support rod; 441. First support rod part; 442. Second support rod part; 45. Limiting block; 46. Handle; 5. First connecting piece; 51. First chain; 52. First hook; 6. Second connecting piece; 61. Second chain; 62. Second hook; 7. Connecting chain; 8. Adjustment assembly; 81. Adjustment block; 811. Placement groove; 82. Abutment piece; 821. Abutment rod; 822. Abutment spring; 83. Adjustment buckle; 831. Elastic positioning strip. Detailed Implementation

[0031] The following is in conjunction with the appendix Figure 1-5 This application will be described in further detail.

[0032] This application discloses a torsion block lifting device. (Refer to...) Figure 2 The system includes a sleeve rod 2, a sleeve 21 rotatably mounted on the sleeve rod 2, and a first connecting member 5 whose stress is adjustable. The first connecting member 5 is connected to the crane via a connecting chain 7. There are three sleeves 21 distributed along the length of the sleeve rod 2. Each of the three sleeves 21 is equipped with a clamping frame and a connecting part 22 for connecting the first connecting member 5. The connecting part 22 is located on the side of the sleeve 21 facing away from the clamping frame. The three clamping frames are a first clamping frame 3 and two second clamping frames 4. The first clamping frame 3 is located between the two second clamping frames 4. A second connecting member 6 whose stress is adjustable is installed between the first connecting member 5 and the three first clamping frames 3 and the two second clamping frames 4.

[0033] Reference Figure 3 The second clamping frame 4 includes a first clamping rod 41, a second clamping rod 42, and a third clamping rod 43. One end of the first clamping rod 41 is mounted on the end of the sleeve 21 away from the first clamping frame 3, and the other end extends in a direction perpendicular to the length of the sleeve 21. One end of the second clamping rod 42 is mounted on the end of the sleeve 21 close to the first clamping frame 3, and the other end extends in the same direction as the first clamping rod 41. The first clamping rod 41 and the second clamping rod 42 are installed in parallel. The third clamping rod 43 is mounted on the ends of the first clamping rod 41 and the second clamping rod 42 away from the sleeve 21. The surface of the third clamping rod 43 facing the sleeve 21 is the contact surface that contacts the torsion block 1. The second connecting piece 6 is connected to the third clamping rod 43.

[0034] The first mounting frame 3 includes a second mounting rod 32 and two first mounting rods 31. One end of the two first mounting rods 31 is mounted on the sleeve 21 located in the middle, and the other end extends perpendicular to the length direction of the sleeve 21 in a direction away from the third mounting rod. The second mounting rod 32 is mounted on the end of the two first mounting rods 31 away from the sleeve 21. The second connecting piece 6 is connected to the second mounting rod 32.

[0035] The first connecting member 5 includes a first hook 52 and three first chains 51. The upper ends of the three first chains 51 are all connected to the first hook 52. The first hook 52 is connected to the hook of the crane through a connecting chain 7. The lower ends of the three first chains 51 are respectively connected to three connecting parts 22. When the sleeve 2 is located above the torsion block 1, and the two second clamping frames 4 formed by the first clamping rod 41, the second clamping rod 42 and the third clamping rod 43 and the first clamping frame 3 formed by the first mounting rod 31 and the second mounting rod 32 are located above the three rods 11 of the torsion block 1, the crane lowers the sleeve 2, sleeve 21, first clamping frame 3 and second clamping frame 4, so that the support rod 44 contacts the rods 11 of the torsion block 1, and the first clamping frame 3 and the two second clamping frames... When the three rods 11 of the twisted block 1 are aligned one by one, the crane drives the first hook 52 and the sleeve rod 2 to move upward. The second connecting piece 6 is not under force during the upward movement of the first hook 52, so that the end of the first clamping frame 3 and the two second clamping frames 4 away from the sleeve rod 2 rotates downward along the support rod 44 during the upward movement of the sleeve rod 2, so that the first clamping frame 3 and the two second clamping frames 4 are sleeved on the three rods 11 of the twisted block 1. As the crane lifts, the first clamping frame 3 and the two second clamping frames 4 are snapped downward. The heavier the twisted block 1, the tighter the snapping of the first clamping frame 3 and the second clamping frame 4 is, reducing the possibility of the twisted block 1 overturning due to the change in the binding position of the wire rope under the gravity of the twisted block 1 during lifting.

[0036] Connecting rings are installed on the second mounting rod 32 and the two third clamping rods 43. The second connecting piece 6 includes a second hook 62 and three second chains 61. The upper ends of the three second chains 61 are connected to the second hook 62, and the lower ends correspond to and are sleeved together with the three connecting rings. After the crane transports the lifted torsion block 1 to the designated position, it transfers the second hook 62 from the first chain 51 to the connecting chain 7. The crane is started, and as the crane moves the second hook 62 upward, the second chain 61 is connected to the second hook 62. The second hook 62 is subjected to force between the second mounting rod 32 and the third clamping rod 43. As the second chain 61 drives the second mounting rod 32 and the third clamping rod 43 to move upward, the first chain 51 is not subjected to force, causing the second mounting rod 32 and the third clamping rod 43 to rotate upward under the support of the support rod 44. This causes the first clamping frame 3 and the second clamping frame 4 to detach from the rod 11 of the torsion block 1, making it easier to remove the first clamping frame 3 and the second clamping frame 4 from the torsion block 1, thereby improving the hoisting efficiency of the torsion block 1.

[0037] Limiting blocks 45 are installed on the second mounting rod 32 and the two third clamping rods 43. The surface of the limiting block 45 facing the sleeve 21 is perpendicular to the surface of the second mounting rod 32 or the third clamping rod 43 that abuts against the twisting block 1. By using the limiting block 45 to abut against the two vertical surfaces of one rod 11 of the twisting block 1, the fitting depth between the third clamping rod 43 and the second mounting rod 32 is reduced, the difficulty of disassembling the first clamping frame 3 and the second clamping frame 4 is reduced, and the disassembly speed of the first clamping frame 3 and the second clamping frame 4 is accelerated, thereby increasing the lifting speed of the twisting block 1.

[0038] Handles 46 are installed on the second mounting rod 32 and the third clamping rod 43. When the first clamping frame 3 and the second clamping frame 4 are removed from the torsion block 1, the handle 46 is manually held and pulled upward in the direction away from the sleeve rod 2, so that the second chain 61 can drive the first clamping frame 3 and the second clamping frame 4 to disengage from the rod 11 of the torsion block 1.

[0039] The implementation principle of the torsion block lifting device in Embodiment 1 of this application is as follows: Start the crane. Through connecting chain 7, first connecting piece 5, and second connecting piece 6, the first clamping frame 3 and the second clamping block are positioned directly above the torsion block 1. The crane lowers the sleeve 2, sleeve 21, and clamping frame, making the support rod 44 contact the surface of the torsion block 1. After the lifting device is fully lowered, manually move the lifting device so that the first clamping frame 3 and the two second clamping frames 4 correspond one-to-one with the three rods 11 of the torsion block 1. Then start the crane again, using the first hook 52 and the first chain 51 to move the sleeve 2 and sleeve 21. As the sleeve rod 2 moves upward, the first clamping frame 3 and the second clamping frame 4 rotate along the support rod 44, causing the ends of the first clamping frame 3 and the second clamping frame 4 away from the sleeve rod 2 to rotate downward. As the sleeve rod 2 gradually moves upward, the lower ends of the first clamping frame 3 and the second clamping frame 4 converge towards the middle, thereby lifting the torsion block 1. The greater the weight of the torsion block 1, the more the first clamping frame 3 and the second clamping frame 4 converge towards the middle, thus reducing the possibility of the torsion block 1 detaching from the first clamping frame 3 and the second clamping frame 4 during the lifting process.

[0040] After lifting the torsion block 1 to the designated position, the crane lowers the torsion block 1. Once the torsion block 1 is stacked on the ground, the second hook 62 located on the first chain 51 is attached to the connecting chain 7. When the crane moves the connecting chain 7 upward, the second chain 61 moves the second mounting rod 32 and the two third clamping rods 43 upward. At this time, the first chain 51 is not under force, and the sleeve rod 2 and sleeve 21 rotate downward relative to the support rod 44 under the action of gravity, so that the second mounting rod 32 and the third clamping rod 43 rotate upward and release the contact with the torsion block 1, making it easier to remove the torsion block from the first clamping frame 3 and the second clamping frame 4, reducing the difficulty of disassembling the torsion block 1 at the end of transportation.

[0041] When disassembling the first clamping frame 3 and the second clamping frame 4, the first clamping frame 3 and the second clamping frame 4 are pulled upward by the handle 46 to reduce the difficulty of disassembling the first clamping frame 3 and the second clamping frame 4.

[0042] Example 2: The difference between Example 2 and Example 1 lies in the installation method of the support rod 44. (Refer to...) Figure 3 and Figure 4 In embodiment 2, the first clamping rod 41 and the second clamping rod 42 are equipped with a support rod 44 parallel to the third clamping rod 43 via an adjustment assembly 8. The adjustment assembly 8 includes an adjustment block 81 and an abutment member 82. An adjustment groove 421 extending along its length direction is formed on the surface of the first clamping rod 41 and the second clamping rod 42 on the opposite side. A positioning groove 422 is formed on the groove wall of the two adjustment grooves 421. Multiple positioning grooves 422 are distributed along the length direction of the first clamping rod 41 and the second clamping rod 42. The adjustment block 81 is connected to the end of the support rod 44 and is slidably mounted on the adjustment block 81.

[0043] The abutment member 82 includes an abutment spring 822 and an abutment rod 821. A placement groove 811 is formed on the surface of the adjusting block 81 on the side opposite to the support rod 44. The abutment spring 822 is placed in the placement groove 811. One end of the abutment rod 821 is mounted on the abutment spring 822 and slides in the placement groove 811, while the other end abuts against the positioning groove 422. Two abutment slopes distributed along the length direction of the first clamping rod 41 are formed on the end of the abutment rod 821 that abuts against the positioning groove 422. When it is necessary to lift... When the overall volume and weight of the lifting torsion block 1 are large, resulting in insufficient distance between the support rod 44 and the first clamping rod 41 for mounting the rod 11 of the torsion block 1, the abutment rod 821 is pushed, causing the abutment spring 822 to compress. This compresses the support rod 44 on the first clamping rod 41 and the second clamping rod 42, causing the support rod 44 to drive the adjusting rod to slide, thereby increasing the distance between the support rod 44 and the third clamping rod 43 and reducing the possibility that the small distance between the support rod 44 and the third clamping rod 43 may affect the lifting.

[0044] Reference Figure 4 and Figure 5 Both the first clamping rod 41 and the second clamping rod 42 are equipped with auxiliary adjusting components, including adjusting buckles 83 and elastic positioning strips 831. Both the first clamping rod 41 and the second clamping rod 42 are equipped with multiple adjusting buckles 83 distributed along the sliding direction of the adjusting block 81. The adjusting buckles 83 are located on the side of the first clamping rod 41 opposite to the support rod 44. The elastic positioning strips 831 are installed on the upper and lower surfaces of the first clamping rod 41. Each adjusting buckle 83 has two elastic grooves that respectively engage with the elastic positioning strips 831. When the position of the support rod 44 needs to be adjusted, the adjusting buckle 83 is pushed on the first clamping rod 41 and the second clamping rod 42, so that the adjusting buckle 83 presses against the abutting rod 821, thereby bringing the abutting inclined surface into contact with the bottom wall of the adjusting groove 421. Then the support rod 44 is pushed, so that the support rod 44 drives the adjusting block 81 to slide in the adjusting groove 421, thereby adjusting the distance between the support rod 44 and the third clamping rod 43, reducing the possibility that the torsion block 1 cannot be lifted well by the lifting equipment when its weight and volume are large.

[0045] The implementation principle of the torsion block lifting device in Embodiment 2 of this application is as follows: When the weight and volume of the torsion block 1 are large, the adjusting buckle 83 slides on the first clamping rod 41 and the second clamping rod 42, so that the adjusting buckle 83 presses against the abutment rod 821, and the abutment rod 821 presses against the abutment spring 822, so that the abutment slope on the abutment rod 821 slides into the adjusting groove 421, and then pushes the support rod 44, so that the support rod 44 slides on the first clamping rod 41 and the second clamping rod 42. When the abutment rod 821 slides to the next positioning groove 422, the abutment rod 821 slides into the positioning groove 422 in the placement groove through the abutment of the abutment spring 822, which facilitates the adjustment of the distance between the support rod 44 and the third clamping rod 43, and reduces the possibility of the lifting efficiency being affected by the change in the mass of the torsion block 1.

[0046] Example 3: The difference between Example 3 and Example 2 lies in the support rod 44. In Example 3, refer to... Figure 5 The second clamping rod 42 is not parallel to the first clamping rod 41. The distance between the first clamping rod 41 and the second clamping rod 42 increases along the direction of the third clamping rod toward the sleeve 21. The distance between the two first mounting rods 31 gradually increases along the direction of the second mounting rod 32 toward the sleeve 21. By installing the first clamping rod 41 and the two first mounting rods 31 at an angle, when hoisting the torsion block 1, the second clamping rod 42 and the two first mounting rods 31 can contact the side of the rod 11 on the torsion block 1, thereby improving the hoisting stability of the torsion block 1.

[0047] The support rod 44 includes a first support rod portion 441 and a second support rod portion 442. One end of the first support rod portion 441 passes through the second support rod portion 442, and the other end of the first support rod portion 441 is hinged to an adjusting block 81 on the second clamping rod 42. When the first support rod portion 441 and the second support rod portion 442 are pushed on the first clamping rod 41 and the second clamping rod 42, the first support rod portion 441 and the second support rod portion 442 slide relative to each other as the adjusting block 81 slides, and the first support rod portion 441 rotates with the adjusting block 81, thereby adjusting the position of the first support rod portion 441 and the second support rod portion 442 on the first clamping rod 41 and the second clamping rod 42.

[0048] The implementation principle of the torsion block lifting device in Embodiment 3 of this application is as follows: By having the second clamping rod 42 and the third clamping rod 43, as well as the first mounting rod 31 and the second mounting rod 32, abut against the surface of the rod 11 of the torsion block 1, the stability of the torsion block 1 during hoisting is improved, and the possibility of the torsion block 1 falling off the hoisting device is reduced.

[0049] When adjusting the position of the support rod 44, the first support rod part 441 and the second support rod part 442 slide relative to each other, and the first support rod part 441 rotates with the adjusting rod, so that the length of the support rod 44 between the two adjusting blocks 81 changes as the adjusting blocks 81 slide in the adjusting groove 421.

[0050] Example 4: Embodiment 4 of this application discloses a method for hoisting a torsion block, which includes the following steps: Step 1: Using a crane, the first chain 51 and the second chain 61 between the connecting chain 7 and the second mounting rod 32 and the two third clamping rods 43 are subjected to force, so that the second mounting rod 32 and the two third clamping rods 43 are distributed on both sides of the sleeve rod 2; Step 2: Manually pull the first chain 51 or the second chain 61 from below the crane, so that the second mounting rod 32 and the first clamping frame 3 formed by the two first mounting rods 31 are located above the middle rod 11 of the torsion block 1, and the two second clamping frames 4 formed by the first clamping rod 41, the second clamping rod 42 and the third clamping rod 43 are located above the rods 11 at both ends of the torsion block 1. Start the crane and lower the first clamping frame 3 and the second clamping frame 4, thereby aligning and placing the second clamping frame 4 and the two first clamping frames 3 with the three rods 11 of the torsion block 1, so that the support rod 44 is supported and placed on the rods 11. Step 3: Place the second hook 62 on the second chain 61 downwards below the first hook 52, start the crane, and drive the connecting chain 7 and the first chain 51 to move upwards. The first chain 51 drives the connecting block to rotate upwards through its connection with the connecting block. The third clamping rod 43 and the second mounting rod 32 rotate downwards under the support of the support rod 44. As the crane continues to rise, the third clamping rod 43 and the second mounting rod 32 abut against the rod 11 of the torsion block 1, thereby engaging the rod 11 of the torsion block 1. Step 4: When the crane moves the torsion block 1 to the designated position, manually pull the unloaded second chain 61 to move the crane directly above the braking position. Lower the torsion block 1 through the crane and manually move the second hook 62 above the first hook 52. Start the crane, and the second chain 61 will be loaded and moved upward. Under the weight of the sleeve 2 and sleeve 21, the third clamping rod 43 and the second mounting rod 32 will rotate upward. Manually grasp the handle 46 and pull upward to facilitate the disengagement of the third clamping rod 43 and the second mounting rod 32 from the rod 11 of the torsion block 1.

[0051] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A torsion block lifting device, characterized in that: The device includes a sleeve rod (2), a sleeve (21) rotatably mounted on the sleeve rod (2), and a first connecting member (5) with adjustable force. Multiple sleeves (21) are distributed along the length of the sleeve rod (2). Each sleeve (21) has a clamping frame for fitting a torsion block (1) and a connecting part (22) connected to the first connecting member (5). The connecting part (22) is located on the side of the sleeve (21) facing away from the clamping frame. A second connecting member (6) with adjustable force is provided between the end of the clamping frame away from the connecting part (22) and the first connecting member (5). The two clamping frames at both ends and the middle clamping frame are connected together. Under the action of the first connector (5) and the second connector (6), they are distributed on both sides of the sleeve (2); the three clamping frames are the first clamping frame (3) and two second clamping frames (4), the first clamping frame (3) is located between the two second clamping frames (4), the second clamping frame (4) includes a first clamping rod (41), a second clamping rod (42) and a third clamping rod (43), the first clamping rod (41) is located at the end of the sleeve (21) away from the first clamping frame (3), the second clamping rod (42) is located at the end of the sleeve (21) close to the first clamping frame (3), and the third clamping rod (43) is located at the end of the sleeve (21) close to the first clamping frame (3). 3) The second connector (6) is connected to the third clamping rod (43) at the end of the first clamping rod (41) and the second clamping rod (42) away from the sleeve (21); the first clamping frame (3) and the first clamping rod (41) and the second clamping rod (42) are each provided with a support rod (44) parallel to the third clamping rod (43); the first clamping rod (41) and the second clamping rod (42) are provided with a support rod (44) parallel to the third clamping rod (43) through the adjusting component (8), and the support rod (44) abuts against the torsion block (1) when clamping the torsion block (1), and the first clamping frame (3) is... The third clamping rod (43) rotates around the support rod (44) as the pivot point; the first clamping frame (3) includes a second mounting rod (32) and two first mounting rods (31). One end of the two first mounting rods (31) is set on the sleeve (21) located in the middle, and the other end extends in a direction away from the third clamping rod (43). The second mounting rod (32) is set on the end of the two first mounting rods (31) away from the sleeve (21). The two ends of the support rod (44) correspond one-to-one with the two first mounting rods (31) and are connected by the adjusting component (8). The second connecting piece (6) is connected to the second mounting rod (32).The adjusting assembly (8) includes an adjusting block (81) and an abutment (82). The first clamping rod (41), the second clamping rod (42), and the first mounting rod (31) are each provided with an adjusting groove (421) extending along their length. Multiple evenly distributed positioning grooves (422) are provided on the bottom wall of the adjusting groove (421). The adjusting block (81) is located at the end of the support rod (44) and slides within the adjusting groove (421). The abutment (82) is located on the adjusting block (81) and abuts against the positioning groove (422).

2. The torsion block lifting device according to claim 1, characterized in that: Both the first clamping frame (3) and the third clamping rod (43) are provided with limiting blocks (45). The surface of the limiting block (45) facing the sleeve (21) is perpendicular to the side of the third clamping rod (43) that abuts against the torsion block (1). The limiting block (45) is located above the third clamping rod (43).

3. The torsion block lifting device according to claim 1, characterized in that: The second mounting rod (32) and the two third clamping rods (43) are each provided with a connecting ring. One end of the second connecting member (6) is set on the first connecting member (5) with adjustable height, and the other end is sleeved with the connecting ring.

4. The torsion block lifting device according to claim 1, characterized in that: A connecting chain (7) is provided on the end of the first connector (5) away from the sleeve (2), and the end of the connecting chain (7) away from the first connector (5) is used to connect to the hook of the crane.

5. A lifting method using the torsion block lifting device as described in claim 4, characterized in that: The process includes the following steps: Step 1: Using a crane, the first connecting piece (5) is driven to bear force between the connecting chain (7) and the connecting part (22), and the second connecting piece (6) is driven between the first connecting piece (5) and the third clamping rod (43) or the second mounting rod (32), so that the clamping frames at both ends of the sleeve rod (2) and the middle clamping frame are distributed on both sides of the sleeve rod (2); Step 2: Manually pull the first connecting piece (5) or the second connecting piece (6) below the crane hook so that the three clamping frames are aligned with the three rods (11) of the torsion block (1) one by one, start the crane to lower the clamping frames so that the clamping frames are sleeved downwards on the ends of the rods (11) of the torsion block (1), and the support rod (44) is in contact with the torsion block (1); Step 3: Confirm that the upper end of the second connecting piece (6) is below the first connecting piece (5), start the crane to drive the connecting chain (7) and the first connecting piece (5) upwards. The movement causes the sleeve rod (2) and sleeve (21) to move upward. The clamping frame is supported by the support rod (44), causing the end of the clamping frame away from the sleeve to rotate downward around the support rod (44). As the sleeve rod (2) and sleeve (21) move upward, the third clamping rod (43) and the second mounting rod (32) abut against the torsion block (1). Step 4: When the crane moves the torsion block (1) to the designated position, the second connecting piece (6) is manually pulled to make the torsion block (1) reach the top of the designated position more accurately. After the crane moves the torsion block (1) downward, the upper end of the second connecting piece (6) is manually moved to the upper end of the first connecting piece (5). The crane is restarted, and the end of the clamping frame away from the sleeve rod (2) is rotated upward through the second connecting piece (6). With the support of the pivot of the support rod (44) and the downward movement of the sleeve rod (2), the clamping frame is disengaged from the torsion block (1).

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