Hoisting and transferring method for cylindrical parts

Abstract

A cylindrical part hoisting and transferring method comprises the steps that firstly, the cylindrical part is placed on the stable ground, then a plurality of clamping devices are evenly distributed on the cylindrical wall of the cylindrical part, then the threaded rods of the clamping devices and the clamping walls clamp the cylindrical wall so as to fix the cylindrical wall, then a hoisting ring is lifted, and at the moment, the cylindrical part is hoisted and transferred. The flexible bearing strip slides to adapt to the distance between the clamping devices, then whether the clamping devices slide or not and whether the state of the cylindrical part is stable or not are observed, and if the clamping devices slide or the state of the cylindrical part is not stable, clamping is conducted again, and then the cylindrical part continues to be transferred until the cylindrical part reaches the designated position; the flexible bearing strips are good in mobility, so that the distance between the clamping devices can be changed so as to be matched with the diameter of the cylindrical part, the distance between the screw rod and the clamping wall can be adjusted, and the clamping device can be matched with cylindrical walls with different thicknesses. Therefore, the design has a better effect of adapting to the diameter of the cylindrical part, and can adapt to cylindrical walls with different thicknesses.

Description

Technical Field

[0001] The invention relates to a hoisting and transporting method, belongs to the field of hoisting and transporting of tubular parts, and in particular to a hoisting and transporting method for tubular parts. Background Art

[0002] After processing, large cylindrical parts need to be transported to a designated location for subsequent operations. Due to their large size and weight, they need to be transported by crane. At this time, the large cylindrical parts need to be fixed by a sling to ensure the stability of the transportation process of the large cylindrical parts.

[0003] The Chinese patent application number is 202311279204.9, and the application date is October 7, 2023. It discloses a lifting device and a lifting method for a lifting ring groove in a cylindrical workpiece. A lifting device for a lifting ring groove in a cylindrical workpiece includes a core shaft, a lifting portion is provided on the core shaft, a frustum portion is provided on the lower end of the core shaft, and at least two limit grooves are provided on the frustum portion, each of the limit grooves is provided with a support plate that can be engaged with the limit groove; a collar is provided on the outer side of the core shaft, and an inverted L-shaped guide groove is provided on the collar, and the support plate can be moved along the guide groove and rotatably connected to the collar. First, the lifting device is lowered along the inside of the workpiece, and then the core shaft is lifted to rotate the support plate, and then the support plate is clamped in the limit groove, and then the core shaft is lifted for lifting. Although this design can realize the lifting of cylindrical parts, it still has the following defects: In this design, the length of the support plate is fixed, that is, the support plate can only support cylindrical parts with a fixed diameter. If the diameter of the cylindrical part is large, there is space between the edge of the support plate and the inner wall of the cylindrical part, so the support plate cannot provide support. If the diameter of the cylindrical part is small, the support plate cannot be inserted into the limit groove, that is, the support plate cannot provide effective support. Therefore, this design is not well adapted to the diameter of the cylindrical part.

[0004] The information disclosed in this background technology section is only intended to increase understanding of the overall background of the application and should not be considered as an admission or any form of suggestion that the information constitutes the prior art already known to ordinary technicians in this field. Summary of the Invention

[0005] The purpose of the present invention is to overcome the defects and problems of the prior art in that the diameter adaptation effect with the cylindrical parts is poor during use, and to provide a method for hoisting and transporting cylindrical parts with better diameter adaptation effect with the cylindrical parts.

[0006] To achieve the above objectives, the technical solution of the present invention is: A method for hoisting and transporting cylindrical parts, comprising the following steps: Step 1: Place the cylindrical part on a stable ground with one open end facing upwards. At this point, the center line of the cylindrical part is perpendicular to the ground. Step 2: First, evenly distribute multiple clamping devices on the wall of the cylindrical part. Then, make sure that all screws are located on the outside of the wall and perpendicular to the wall. All clamping plates are located on the inside of the wall. Then, clamp the clamping plates and screws on opposite sides of the wall. The clamping process is as follows: first, move the screw toward the clamping plate until the screw and the clamping plate clamp the wall from both ends. Repeat the above clamping process until all screws and clamping plates have completed the clamping process. Step 3: First, lift the lifting ring, and then use the lifting ring to drive multiple flexible load-bearing bars to move. At this time, one end of the flexible load-bearing bar slides along the lifting ring, and the other end of the flexible load-bearing bar slides along the top of the clamping device to match the spacing between the clamping devices. When the flexible load-bearing bar is tight, observe whether there is any sliding between the screw and the clamping plate. If there is no sliding between the screw and the clamping plate, proceed to step 4; if there is sliding between the screw and the clamping plate, perform a secondary fixing process. The secondary fixing process is: first drop the lifting ring, then move all the screws away from the cylinder wall, and then clamp all the clamping plates and screws on both sides of the cylinder wall in turn, and then repeat step 3; Step 4: First lift the lifting ring, and then the lifting ring drives the flexible load-bearing bar, clamping device, and tubular parts to rise in sequence. When the bottom of the tubular part is at the specified distance from the ground, observe whether the state of the tubular part is stable. If the state of the tubular part is not stable, perform the secondary fixing process; if the state of the tubular part is stable, continue to transport the tubular part until it reaches the top of the specified position, then drop the lifting ring until the tubular part is in the specified position, and then keep all the screws and clamping plates away from the tubular wall to complete the lifting and transportation of the tubular part.

[0007] In the second step, the number of the clamping devices is greater than or equal to three. In the third step, the number of the flexible load-bearing strips is greater than or equal to three, and the number of the flexible load-bearing strips is the same as the number of the clamping devices.

[0008] In the second step, the clamping device includes a top plate and a movable plate, one end of the top plate is vertically connected to one end of the movable plate, a movable hole is provided in the middle of the movable plate, a screw is inserted into the movable hole, the other end of the top plate is vertically connected to one end of the clamping plate, and the clamping plate is opposite to the movable plate.

[0009] In the second step, the inner surface of the movable hole is threadedly connected to the outer surface of the screw, and a round head is provided on one end of the screw located outside the movable hole.

[0010] In the second step, one end of the screw rod close to the clamping plate is vertically connected to the middle of the No. 1 copper plate, and a No. 2 copper plate is provided on the position of the clamping plate corresponding to the No. 1 copper plate.

[0011] In the second step, the diameter of the screw is 10 to 40 mm, the length of the No. 1 copper plate is 1.5 to 2 times the diameter of the screw, and the length of the No. 2 copper plate is 1.5 to 2 times the diameter of the screw.

[0012] In the second step, the top of the top plate is connected to the bottom of the load-bearing plate, a load-bearing hole is provided in the middle of the load-bearing plate, and the load-bearing hole is movably connected to the flexible load-bearing strip.

[0013] In the third step, the flexible load-bearing strip includes a top ring, a plurality of connecting rings and a bottom ring that are first connected, one end of the top ring is connected to one end of the lifting ring, the other end of the top ring is connected to one end of the No. 1 shackle, the other end of the No. 1 shackle is connected to one end of a connecting ring, one end of the bottom ring is movably connected to the top of the clamping device, the other end of the bottom ring is connected to one end of the No. 2 shackle, and the other end of the No. 2 shackle is connected to the bottom of a connecting ring.

[0014] In the third step, one end of the No. 1 shackle is connected to one end of the adjuster, and the other end of the adjuster is provided with an adjusting groove, and the adjusting groove is matched with one end of the connecting ring.

[0015] In the third step, the lifting ring is welded from round steel or made from forgings, and the middle part of the lifting ring is a lifting ring hole; the clamping device is welded from steel plates or made from forgings. Compared with the prior art, the present invention has the following advantages: 1. In a method for hoisting and transporting a cylindrical part of the present invention, the method comprises the following steps: a first step: first placing the cylindrical part on the ground with its center line perpendicular to the ground; a second step: first evenly distributing a plurality of clamping devices on the cylindrical wall of the cylindrical part, and then clamping the cylindrical wall with a screw and a clamping plate to fix it; a third step: first lifting the hoisting ring, at which time, the two ends of a plurality of flexible load-bearing strips slide on the connecting ring and the clamping device; when the flexible load-bearing strips are taut, observing whether sliding occurs in the clamping device; if sliding occurs, re-clamping; a fourth step: first lifting the hoisting ring, and when the distance between the cylindrical part and the ground is a specified distance, observing whether the state of the cylindrical part is stable; if it is stable, continue hoisting and transporting; if it is not stable, drop the hoisting ring and re-clamp it. Advantages of the present invention also include: First point: The flexible load-bearing strip has good mobility, so the distance between the clamping devices can be increased or decreased. When the distance between the clamping devices is increased, it can adapt to cylindrical parts with larger diameters. When the distance between the clamping devices is smaller, it can adapt to cylindrical parts with smaller diameters. Second point: The distance between the screw and the clamping plate can be adjusted, which not only adjusts the tightness of the clamping cylinder wall, but also adapts to cylinder walls of different thicknesses; Therefore, the present invention has a better diameter adaptation effect with cylindrical parts and can adapt to cylinder walls of different thicknesses.

[0016] 2. In the hoisting and transporting method for tubular parts of the present invention, in the second step, the clamping device includes a top plate and a movable plate. The movable plate is provided with a movable hole, which is threadedly connected to a screw. The screw is provided with a No. 1 copper plate, and the clamping plate is provided with a No. 2 copper plate. During use, the screw is twisted to move the screw along its axis to achieve a clamping effect on the barrel wall. The threaded connection provides a good locking effect between the screw and the movable rod, thereby achieving a stable clamping effect on the barrel wall. The No. 1 copper plate and the No. 2 copper plate are used to protect the barrel wall to prevent it from being pinched. Therefore, the present invention has a good clamping effect on tubular parts.

[0017] 3. In the hoisting and transporting method for cylindrical parts of the present invention, in the second step, a load-bearing plate is further provided on the top of the top plate, and the load-bearing plate is provided with load-bearing holes. Flexible load-bearing strips can slide along the load-bearing holes. When the lifting ring is used, the flexible load-bearing strips slide along the load-bearing holes while driving the load-bearing plate upward. The load-bearing plate then drives the clamping device upward. The load-bearing holes provide space for the flexible load-bearing strips to move, making the lifting process smoother. Therefore, the lifting process of the present invention is smooth.

[0018] 4. In a method for hoisting and transporting cylindrical parts of the present invention, the flexible load-bearing bar includes a top ring, a No. 1 shackle, a plurality of connecting rings that are first connected, a No. 2 shackle, and a bottom ring. The No. 1 shackle is also connected to an adjuster. When used, the length of the flexible load-bearing bar can be set as needed. If the flexible load-bearing bar is long, one end of the adjuster can be clamped to one end of a connecting ring to shorten the flexible load-bearing bar to better match the diameter of the cylindrical part. At the same time, the distance from the connecting ring to the cylindrical part is shortened to make the cylindrical part more stable during transportation. The two shackles are used to provide stable support to stabilize the flexible load-bearing bar when subjected to tension. Therefore, the transportation process of the present invention is stable.

[0019] 5. In the present invention's method for hoisting and transporting cylindrical parts, the hoisting ring and clamping device are welded from round steel or steel plates or fabricated from forgings. When used, the hoisting ring and clamping device possess sufficient rigidity and toughness to maintain stability during the lifting process. Furthermore, the cost of steel plate welding and forging is low, saving economical costs. Therefore, the present invention has a low economic cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a flow chart of the present invention.

[0021] Figure 2 It is a structural schematic diagram of the present invention.

[0022] Figure 3 This is a schematic diagram of the structure in which the spacing between the clamping devices in Example 1 is relatively large.

[0023] Figure 4 yes Figure 2 Schematic diagram of the structure of the flexible load-bearing bar.

[0024] Figure 5 yes Figure 4 Schematic diagram of the structure of the clamping device.

[0025] Figure 6 yes Figure 5 Schematic diagram of the structure in which the moving rod moves toward the clamping plate.

[0026] Figure 7 yes Figure 5 Schematic diagram of the structure of the moving rod.

[0027] Figure 8 yes Figure 5 Schematic diagram of the structure of the medium No. 2 copper plate.

[0028] Figure 9 It is a structural schematic diagram of the front fixing plate in Example 2.

[0029] Figure 10 It is a structural schematic diagram of the rear fixing plate in Example 2.

[0030] Figure 11 yes Figure 2 Schematic diagram of the structure of the middle lifting ring.

[0031] Figure 12 This is a schematic diagram of the structure in which the flexible load-bearing strip is longer in Example 5.

[0032] Figure 13 This is a schematic diagram of the structure in which the flexible load-bearing strip is shorter in Example 5.

[0033] Figure 14 It is a structural diagram of Example 5.

[0034] In the figure: flexible load-bearing strip 1, lower strip end 11, upper strip end 12, connecting ring 13, top ring 131, bottom ring 132, lifting ring 2, lifting eye hole 21, clamping device 3, top plate 31, load-bearing plate 311, load-bearing hole 312, front fixed plate 313, rear fixed plate 314, movable plate 32, movable hole 321, screw 322, round head 323, No. 1 copper plate 324, clamping plate 33, No. 2 copper plate 331, No. 1 shackle 4, adjuster 41, adjusting groove 411, No. 2 shackle 42, tubular part 5, tubular wall 51, ground 52, angle 53. DETAILED DESCRIPTION

[0035] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0036] See Figure 1 — Figure 14 A method for hoisting and transporting cylindrical parts, comprising the following steps: Step 1: Place the cylindrical part 5 on a stable ground 52, with one open end of the cylindrical part 5 facing upwards. At this point, the center line of the cylindrical part 5 is perpendicular to the ground 52. Step 2: First, evenly distribute multiple clamping devices 3 on the barrel wall 51 of the cylindrical part 5, then make the screws 322 all located on the outside of the barrel wall 51, and the screws 322 are perpendicular to the barrel wall 51, and the clamping plates 33 are all located on the inside of the barrel wall 51, and then clamp the clamping plates 33 and screws 322 on both sides of the barrel wall 51. The clamping process is as follows: first, move the screws 322 toward the clamping plates 33 until the screws 322 and the clamping plates 33 clamp the barrel wall 51 from both ends; repeat the above clamping process until all the screws 322 and the clamping plates 33 have completed the clamping process; Step 3: First lift the lifting ring 2, and then the lifting ring 2 drives the multiple flexible load-bearing bars 1 to move. At this time, one end of the flexible load-bearing bar 1 slides along the lifting ring 2, and the other end of the flexible load-bearing bar 1 slides along the top of the clamping device 3 to match the spacing between the clamping devices 3. When the flexible load-bearing bar 1 is taut, observe whether there is sliding between the screw 322 and the clamping plate 33. If there is no sliding between the screw 322 and the clamping plate 33, proceed to step 4; if there is sliding between the screw 322 and the clamping plate 33, perform a secondary fixing process. The secondary fixing process is: first drop the lifting ring 2, then move all the screws 322 away from the cylinder wall 51, and then clamp all the clamping plates 33 and screws 322 located on both sides of the cylinder wall 51 in turn, and then repeat step 3; Step 4: First lift the lifting ring 2, and then the lifting ring 2 drives the flexible load-bearing bar 1, the clamping device 3, and the cylindrical part 5 to rise in sequence. When the bottom of the cylindrical part 5 is at a specified distance from the ground 52, observe whether the state of the cylindrical part 5 is stable. If the state of the cylindrical part 5 is not stable, perform a secondary fixing process; if the state of the cylindrical part 5 is stable, continue to transport the cylindrical part 5 until the cylindrical part 5 reaches above the specified position, and then make the lifting ring 2 fall until the cylindrical part 5 is in the specified position, and then make all the screws 322 and the clamping plate 33 away from the cylindrical wall 51, and complete the lifting and transportation of the cylindrical part 5.

[0037] In the second step, the number of the clamping devices 3 is greater than or equal to three. In the third step, the number of the flexible load-bearing strips 1 is greater than or equal to three, and the number of the flexible load-bearing strips 1 is the same as the number of the clamping devices 3 .

[0038] In the second step, the clamping device 3 includes a top plate 31 and a movable plate 32. One end of the top plate 31 is vertically connected to one end of the movable plate 32. A movable hole 321 is provided in the middle of the movable plate 32. A screw 322 is inserted into the movable hole 321. The other end of the top plate 31 is vertically connected to one end of the clamping plate 33. The clamping plate 33 is opposite to the movable plate 32.

[0039] In the second step, the inner surface of the moving hole 321 is threadedly connected to the outer surface of the screw rod 322 , and a round head 323 is provided on one end of the screw rod 322 located outside the moving hole 321 .

[0040] In the second step, one end of the screw 322 close to the clamping plate 33 is vertically connected to the middle of the No. 1 copper plate 324 , and a No. 2 copper plate 331 is provided on the position of the clamping plate 33 corresponding to the No. 1 copper plate 324 .

[0041] In the second step, the diameter of the screw 322 is ten to forty millimeters, the length of the No. 1 copper plate 324 is one and a half to two times the diameter of the screw 322 , and the length of the No. 2 copper plate 331 is one and a half to two times the diameter of the screw 322 .

[0042] In the second step, the top of the top plate 31 is connected to the bottom of the load-bearing plate 311 , and a load-bearing hole 312 is provided in the middle of the load-bearing plate 311 , and the load-bearing hole 312 is movably connected to the flexible load-bearing strip 1 .

[0043] In the third step, the flexible load-bearing strip 1 includes a top ring 131, a plurality of connecting rings 13 and a bottom ring 132 that are first connected, one end of the top ring 131 is connected to one end of the lifting ring 2, the other end of the top ring 131 is connected to one end of the No. 1 shackle 4, the other end of the No. 1 shackle 4 is connected to one end of a connecting ring 13, one end of the bottom ring 132 is movably connected to the top of the clamping device 3, the other end of the bottom ring 132 is connected to one end of the No. 2 shackle 42, and the other end of the No. 2 shackle 42 is connected to the bottom of a connecting ring 13.

[0044] In the third step, one end of the No. 1 shackle 4 is connected to one end of the adjuster 41 , and the other end of the adjuster 41 is provided with an adjusting groove 411 , and the adjusting groove 411 is matched with one end of the connecting ring 13 .

[0045] In the third step, the lifting ring 2 is welded from round steel or made from forgings, and the middle of the lifting ring 2 is a lifting ring hole 21; the clamping device 3 is welded from steel plates or made from forgings.

[0046] The supplementary description of the present invention is as follows: The lifting ring 2 of the present invention is lifted by a crane hook, and the opening diameter of the lifting ring hole 21 matches the crane hook.

[0047] The large cylindrical part 5 described in the present invention has a diameter of about four hundred to three thousand millimeters, a thickness of the cylindrical wall 51 of about ten to one hundred millimeters, and a weight of about thirty to eight hundred kilograms. When the cylindrical part 5 is a hollow cylinder with a regular shape, in order to ensure a smooth lifting effect, the length of the flexible load-bearing bar 1 is the same. When the cylindrical part 5 is a hollow cylinder with an irregular shape, in order to ensure a smooth lifting effect, the length of the flexible load-bearing bar 1 needs to be adjusted, that is, the length of the flexible load-bearing bar 1 can be different.

[0048] Example 1: See Figure 1 — Figure 14 A method for hoisting and transporting cylindrical parts, comprising the following steps: Step 1: Place the cylindrical part 5 on a stable ground 52, with one open end of the cylindrical part 5 facing upwards. At this point, the center line of the cylindrical part 5 is perpendicular to the ground 52. Step 2: First, evenly distribute multiple clamping devices 3 on the barrel wall 51 of the cylindrical part 5, then make the screws 322 all located on the outside of the barrel wall 51, and the screws 322 are perpendicular to the barrel wall 51, and the clamping plates 33 are all located on the inside of the barrel wall 51, and then clamp the clamping plates 33 and screws 322 on both sides of the barrel wall 51. The clamping process is as follows: first, move the screws 322 toward the clamping plates 33 until the screws 322 and the clamping plates 33 clamp the barrel wall 51 from both ends; repeat the above clamping process until all the screws 322 and the clamping plates 33 have completed the clamping process; Step 3: First lift the lifting ring 2, and then the lifting ring 2 drives the multiple flexible load-bearing bars 1 to move. At this time, one end of the flexible load-bearing bar 1 slides along the lifting ring 2, and the other end of the flexible load-bearing bar 1 slides along the top of the clamping device 3 to match the spacing between the clamping devices 3. When the flexible load-bearing bar 1 is taut, observe whether there is sliding between the screw 322 and the clamping plate 33. If there is no sliding between the screw 322 and the clamping plate 33, proceed to step 4; if there is sliding between the screw 322 and the clamping plate 33, perform a secondary fixing process. The secondary fixing process is: first drop the lifting ring 2, then move all the screws 322 away from the cylinder wall 51, and then clamp all the clamping plates 33 and screws 322 located on both sides of the cylinder wall 51 in turn, and then repeat step 3; Step 4: First lift the lifting ring 2, and then the lifting ring 2 drives the flexible load-bearing bar 1, the clamping device 3, and the cylindrical part 5 to rise in sequence. When the bottom of the cylindrical part 5 is at a specified distance from the ground 52, observe whether the state of the cylindrical part 5 is stable. If the state of the cylindrical part 5 is not stable, perform a secondary fixing process; if the state of the cylindrical part 5 is stable, continue to transport the cylindrical part 5 until the cylindrical part 5 reaches above the specified position, and then make the lifting ring 2 fall until the cylindrical part 5 is in the specified position, and then make all the screws 322 and the clamping plate 33 away from the cylindrical wall 51, and complete the lifting and transportation of the cylindrical part 5.

[0049] In the second step, the number of the clamping devices 3 is greater than or equal to three. In the third step, the number of the flexible load-bearing strips 1 is greater than or equal to three, and the number of the flexible load-bearing strips 1 is the same as the number of the clamping devices 3 .

[0050] Preferably, in the third step, when one end of the flexible load-bearing bar 1 slides along the lifting ring 2 and the other end of the flexible load-bearing bar 1 slides along the top of the clamping device 3, if the diameter of the cylindrical part 5 is larger, the spacing between the clamping devices 3 is larger. At this time, the angle 53 between the flexible load-bearing bar 1 and the ground is smaller, so that the projection distance of each flexible load-bearing bar 1 in the horizontal plane direction is longer, so it can be adapted to the clamping device 3 with a larger spacing; if the diameter of the cylindrical part 5 is smaller, the spacing between the clamping devices 3 is smaller. At this time, the angle 53 between the flexible load-bearing bar 1 and the ground is larger, so that the projection distance of each flexible load-bearing bar 1 in the horizontal plane direction is shorter, so it can be adapted to the clamping device 3 with a smaller spacing.

[0051] Example 2: The basic content is the same as Example 1, except that: See Figure 1 — Figure 8In the second step, the clamping device 3 includes a top plate 31 and a movable plate 32. One end of the top plate 31 is vertically connected to one end of the movable plate 32. A movable hole 321 is provided in the middle of the movable plate 32. A screw 322 is inserted into the movable hole 321. The other end of the top plate 31 is vertically connected to one end of the clamping plate 33. The clamping plate 33 is opposite to the movable plate 32. In the second step, the inner surface of the movable hole 321 is threadedly connected to the outer surface of the screw 322. A round head 323 is provided on the end of the screw 322 located outside the movable hole 321. In the second step, the end of the screw 322 close to the clamping plate 33 is vertically connected to the middle of the No. 1 copper plate 324. A No. 2 copper plate 331 is provided on the position of the clamping plate 33 corresponding to the No. 1 copper plate 324. In the second step, the diameter of the screw 322 is ten to forty millimeters, the length of the No. 1 copper plate 324 is one and a half to two times the diameter of the screw 322 , and the length of the No. 2 copper plate 331 is one and a half to two times the diameter of the screw 322 .

[0052] When in use, in the second step, first observe the distance between the screw 322 and the clamping plate 33. If the distance is less than the thickness of the cylinder wall 51, screw the round head 323 to move the screw 322 away from the clamping plate 33 until the distance between the screw 322 and the clamping plate 33 is greater than the thickness of the cylinder wall 51. Then, make the screw 322 located on the outside of the cylinder wall 51 and the clamping plate 33 located on the inside of the cylinder wall 51. Then, screw the round head 323 to move the screw 322 toward the clamping plate 33 until the screw 322 and the clamping plate 33 clamp the cylinder wall 51 from both sides of the cylinder wall 51 to fix the cylinder wall 51. At this time, the No. 1 copper plate 324 and the No. 2 copper plate 331 are used to prevent the cylinder wall 51 from being pinched. In the above process, the screw 322 needs to be parallel to the ground to achieve the best clamping. Effect: The spacing between the screw 322 and the clamping plate 33 is adjustable, so it can adapt to the cylinder wall 51 of different thicknesses, and the degree of clamping of the screw 322 and the clamping plate 33 to the cylinder wall 51 can also be adjusted by adjusting the spacing; the screw 322 and the movable hole 321 are threadedly connected, and the self-locking effect of the threaded connection is better, so the position fixing effect of the screw 322 is better, and the screw 322 can stably tighten the cylinder wall 51 with the clamping plate 33; the diameter of the screw 322 is ten to forty millimeters. The greater the weight of the cylindrical part 5, the larger the diameter of the screw 322, and the smaller the weight of the cylindrical part 5, the smaller the diameter of the screw 322. The lengths of the No. 1 copper plate 324 and the No. 2 copper plate 331 are one and a half to two times the diameter of the screw 322 to adapt to the screw 322.

[0053] Example 3: The basic content is the same as Example 1, except that: See Figure 1 — Figure 10In the second step, the top of the top plate 31 is connected to the bottom of the load-bearing plate 311. A load-bearing hole 312 is provided in the middle of the load-bearing plate 311. The load-bearing hole 312 is movably connected to the flexible load-bearing strip 1. Preferably, a front fixing plate 313 is provided on the front side of the top plate 31. One end of the front fixing plate 313 is vertically connected to one end of the movable plate 32, and the other end of the front fixing plate 313 is vertically connected to one end of the clamping plate 33. A rear fixing plate 314 is provided on the rear side of the top plate 31. One end of the rear fixing plate 314 is vertically connected to one end of the movable plate 32, and the other end of the rear fixing plate 314 is vertically connected to one end of the clamping plate 33.

[0054] When applied, in the second step, when the lifting ring 2 is lifted, the lifting ring 2 drives the flexible load-bearing bar 1 to lift, and then the flexible load-bearing bar 1 drives the load-bearing hole 312 to lift, so the load-bearing plate 311 is lifted, and the end of the flexible load-bearing bar 1 connected to the load-bearing hole 312 can slide in the load-bearing hole 312; the front fixed plate 313 and the rear fixed plate 314 further fix the top plate 31, the clamping plate 33 and the movable plate 32 to improve the stability of the tightening device 3.

[0055] Example 4: The basic content is the same as Example 1, except that: See Figure 1 — Figure 14 In the third step, the flexible load-bearing bar 1 includes a top ring 131, a plurality of first connected connecting rings 13 and a bottom ring 132. One end of the top ring 131 is connected to one end of the lifting ring 2, and the other end of the top ring 131 is connected to one end of the No. 1 shackle 4. The other end of the No. 1 shackle 4 is connected to one end of a connecting ring 13. One end of the bottom ring 132 is movably connected to the top of the clamping device 3. The other end of the bottom ring 132 is connected to one end of the No. 2 shackle 42. The other end of the No. 2 shackle 42 is connected to the bottom of a connecting ring 13. In the third step, one end of the No. 1 shackle 4 is connected to one end of the adjuster 41. The other end of the adjuster 41 is provided with an adjusting groove 411. The adjusting groove 411 cooperates with one end of the connecting ring 13. Preferably, the flexible load-bearing bar 1 can also be a steel wire rope.

[0056] When applied, in the third step, when the lifting ring 2 is lifted, the lifting ring 2 first drives the top ring 131 to lift, and then the top ring 131 drives the No. 1 shackle 4 to lift, and then the No. 1 shackle 4 drives the top connecting ring 13 to lift, and then the connecting ring 13 and the adjacent connecting ring 13 are lifted, and then the bottom connecting ring 13 drives the No. 2 shackle 42 to lift, and then the No. 2 shackle 42 drives the bottom ring 132 to lift, and then the bottom ring 132 drives the bearing plate 311 to lift. In the above process, the top ring 131, No. 1 shackle 4, No. 2 shackle 42 and the bottom ring 132 all play a connecting role to stabilize the flexible load-bearing bar 1; if the flexible load-bearing bar 1 is shorter, the number of connecting rings 13 can be increased to increase the length of the flexible load-bearing bar 1; if the flexible load-bearing bar 1 is longer, the number of connecting rings 13 can be reduced to make the flexible load-bearing bar 1 shorter, or the adjusting groove 411 of the adjuster 41 can be clamped with one end of a connecting ring 13 to achieve the effect of shortening the flexible load-bearing bar 1.

[0057] Example 5: The basic content is the same as Example 1, except that: See Figure 1 — Figure 14 In the third step, the lifting ring 2 is welded by round steel or made by forging, and the middle part of the lifting ring 2 is a lifting ring hole 21; the clamping device 3 is welded by steel plates or made by forging.

[0058] When in use, the lifting ring 2 needs to have sufficient rigidity and toughness to avoid breakage accidents during lifting. The clamping device 3 also needs to have sufficient rigidity and toughness to make the clamping device 3 structure stable, thereby making the lifting process stable. The manufacturing cost of the lifting ring 2 and the clamping device 3 is low, so the processing cost of the present invention is economical.

[0059] The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiment. Any equivalent modifications or changes made by ordinary technicians in this field based on the contents disclosed in the present invention should be included in the protection scope recorded in the claims.

Claims

1. A method for hoisting and transporting cylindrical parts, characterized in that: The method comprises the following steps: Step 1: First, place the cylindrical part (5) on a stable ground (52), and then make one open end of the cylindrical part (5) face upwards. At this time, the center line of the cylindrical part (5) is perpendicular to the ground (52); Step 2: First, multiple clamping devices (3) are evenly distributed on the barrel wall (51) of the barrel part (5), and then the screw rods (322) are all located on the outside of the barrel wall (51), and the screw rods (322) are perpendicular to the barrel wall (51), and the clamping plates (33) are all located on the inside of the barrel wall (51), and then the clamping plates (33) and the screw rods (322) located on both sides of the barrel wall (51) are clamped. The clamping process is as follows: first, the screw rods (322) are moved toward the clamping plates (33) until the screw rods (322) and the clamping plates (33) clamp the barrel wall (51) from both ends of the barrel wall (51); repeat the above clamping process until all the screw rods (322) and the clamping plates (33) have completed the clamping process; The third step: first lift the hoisting ring (2), and then the hoisting ring (2) drives the multiple flexible load-bearing strips (1) to move. At this time, one end of the flexible load-bearing strip (1) slides along the hoisting ring (2), and the other end of the flexible load-bearing strip (1) slides along the top of the clamping device (3) to match the spacing between the clamping devices (3). When the flexible load-bearing strip (1) is tight, observe whether there is sliding between the screw rod (322) and the clamping plate (33). If there is no sliding between the screw rod (322) and the clamping plate (33), proceed to the fourth step; if there is sliding between the screw rod (322) and the clamping plate (33), a secondary fixing process is performed. The secondary fixing process is: first make the hoisting ring (2) fall, then make all the screw rods (322) away from the cylinder wall (51), and then clamp all the clamping plates (33) and screw rods (322) on both sides of the cylinder wall (51) in turn, and then repeat the third step; Step 4: First, lift the hoisting ring (2), and then the hoisting ring (2) drives the flexible load-bearing strip (1), the clamping device (3), and the cylindrical part (5) to rise in sequence. When the distance between the bottom of the cylindrical part (5) and the ground (52) is the specified distance, observe whether the state of the cylindrical part (5) is stable. If the state of the cylindrical part (5) is not stable, perform a secondary fixing process. If the state of the cylindrical part (5) is stable, continue to transport the cylindrical part (5) until the cylindrical part (5) reaches the top of the specified position, then make the hoisting ring (2) fall until the cylindrical part (5) is located at the specified position, and then make all the screws (322) and the clamping plate (33) away from the cylinder wall (51), and complete the hoisting and transportation of the cylindrical part (5).

2. The method for hoisting and transporting cylindrical parts according to claim 1, characterized in that: In the second step, the number of the clamping devices (3) is greater than or equal to three, and in the third step, the number of the flexible load-bearing strips (1) is greater than or equal to three, and the number of the flexible load-bearing strips (1) is the same as the number of the clamping devices (3).

3. A method for hoisting and transporting cylindrical parts according to claim 1 or 2, characterized in that: In the second step, the clamping device (3) includes a top plate (31) and a movable plate (32), one end of the top plate (31) is vertically connected to one end of the movable plate (32), a movable hole (321) is provided in the middle of the movable plate (32), a screw (322) is inserted into the movable hole (321), the other end of the top plate (31) is vertically connected to one end of the clamping plate (33), and the clamping plate (33) is opposite to the movable plate (32).

4. A method for hoisting and transporting cylindrical parts according to claim 3, characterized in that: In the second step, the inner surface of the movable hole (321) is threadedly connected to the outer surface of the screw rod (322), and a round head (323) is provided on one end of the screw rod (322) located outside the movable hole (321).

5. The method for hoisting and transporting cylindrical parts according to claim 4, characterized in that: In the second step, one end of the screw rod (322) close to the clamping plate (33) is vertically connected to the middle of the No. 1 copper plate (324), and a No. 2 copper plate (331) is provided on the clamping plate (33) at a position corresponding to the No. 1 copper plate (324).

6. The method for hoisting and transporting cylindrical parts according to claim 5, characterized in that: In the second step, the diameter of the screw (322) is 10 to 40 millimeters, the length of the No. 1 copper plate (324) is 1.5 to 2 times the diameter of the screw (322), and the length of the No. 2 copper plate (331) is 1.5 to 2 times the diameter of the screw (322).

7. The method for hoisting and transporting cylindrical parts according to claim 3, characterized in that: In the second step, the top of the top plate (31) is connected to the bottom of the load-bearing plate (311), a load-bearing hole (312) is provided in the middle of the load-bearing plate (311), and the load-bearing hole (312) is movably connected to the flexible load-bearing strip (1).

8. A method for hoisting and transporting cylindrical parts according to claim 1 or 2, characterized in that: In the third step, the flexible load-bearing strip (1) includes a top ring (131), a plurality of first connected connecting rings (13) and a bottom ring (132), one end of the top ring (131) is connected to one end of the lifting ring (2), the other end of the top ring (131) is connected to one end of the No. 1 shackle (4), the other end of the No. 1 shackle (4) is connected to one end of a connecting ring (13), one end of the bottom ring (132) is movably connected to the top of the clamping device (3), the other end of the bottom ring (132) is connected to one end of the No. 2 shackle (42), and the other end of the No. 2 shackle (42) is connected to the bottom of a connecting ring (13).

9. The method for hoisting and transporting cylindrical parts according to claim 8, characterized in that: In the third step, one end of the No. 1 shackle (4) is connected to one end of the adjuster (41), and the other end of the adjuster (41) is provided with an adjusting groove (411), and the adjusting groove (411) is matched with one end of the connecting ring (13).

10. A method for hoisting and transporting cylindrical parts according to claim 1 or 2, characterized in that: In the third step, the lifting ring (2) is welded from round steel or made from forgings, and the middle of the lifting ring (2) is a lifting ring hole (21); the clamping device (3) is welded from steel plates or made from forgings.

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