Horizontal stabilizing hoisting device for prestressed reinforced concrete pipe

Abstract

The present application relates to the field of pipeline hoisting, and discloses a horizontal stable hoisting device for prestressed reinforced concrete pipes, comprising a hoist seat, a limiting structure, an inner positioning structure, a traction assembly and a one-way adjusting piece. The limiting structure preliminarily limits its position on the reinforced concrete pipe. The end of the traction assembly away from the inner positioning structure is installed on the hoist seat. When the hoist seat is forced to move upwards, the traction assembly exerts a pulling force on the inner positioning structure, so that the inner positioning structure is adjusted from the inwardly retracted state to the outwardly unfolded state under the action of the pulling force. The one-way adjusting piece adjusts the traction assembly in a pulling manner, thereby adjusting the position of the two limiting structures relative to the hoist seat. In the present application, the inner positioning structure is positioned on the inner walls at both ends of the reinforced concrete pipe in a clung manner, thereby achieving all-around fixation of both ends of the reinforced concrete pipe, avoiding left and right shaking of the reinforced concrete pipe during transfer, and improving the positioning effect of the reinforced concrete pipe.

Description

Technical Field

[0001] This invention relates to the field of pipeline hoisting technology, and more specifically to a horizontal stabilizing hoisting device for prestressed reinforced concrete pipes. Background Technology

[0002] Prestressed reinforced concrete pipes are pipes made of steel bars and concrete, mainly used for transporting fluids such as water, oil, and gas. When installing reinforced concrete pipes, they need to be hoisted to the designated location. Reinforced concrete pipes are usually hollow tubes, and during hoisting, they typically require hoisting clamps to hold them in place for easy lifting and transfer. However, current hoisting clamps for reinforced concrete pipes do not adequately limit the pipe's position during hoisting, making them prone to loosening and affecting the safety and stability of the hoisting process, thus posing safety hazards.

[0003] In response, the existing technology of utility model patent with publication number CN223316248U provides a horizontal hoisting device for large-diameter concrete pipes. The device fixes the lugs to the pipe with screws and puts the pipe-turning hook on the end of the reinforced concrete pipe to realize the hoisting of the end of the reinforced concrete pipe. It can effectively limit the position of the reinforced concrete pipe during hoisting, thereby improving the safety and stability of the hoisting of the reinforced concrete pipe.

[0004] In existing technology, when lifting reinforced concrete pipes, the first wire rope pulls the boom, causing the upper and lower clamping parts to clamp the end of the reinforced concrete pipe. On the one hand, the upper and lower clamping parts only form two clamping points on the reinforced concrete pipe, making it difficult to avoid the pipe swaying from side to side. On the other hand, during the lifting process, the reinforced concrete pipe may be repeatedly lowered and lifted to adjust its installation position. The upper and lower clamping parts are always in a relatively active state. The repeated lifting and repositioning of the reinforced concrete pipe may change its relative position between the upper and lower clamping parts, thus affecting the clamping effect. In addition, the length adjustment of the wire rope is limited, restricting the adjustment of the inclination angle of the reinforced concrete pipe. Summary of the Invention

[0005] To address these issues, the present invention provides a horizontally stable hoisting device for prestressed reinforced concrete pipes, which effectively solves the technical problems in the prior art that make it difficult to avoid the left-right swaying of the reinforced concrete pipes, and that repeated hoisting and orientation changes may alter the relative position of the reinforced concrete pipes between the upper and lower clamping parts and the lower clamping part, thereby affecting the clamping effect, and that the adjustment process of the inclination angle of the reinforced concrete pipes is limited.

[0006] To solve the above-mentioned technical problems, the present invention specifically provides the following technical solution: a horizontal stabilizing hoisting device for prestressed reinforced concrete pipes, comprising:

[0007] The lifting harness is installed on the hook of the crane;

[0008] A limiting structure is symmetrically installed at the top of both ends of the reinforced concrete pipe, and the limiting structure initially limits its own position on the reinforced concrete pipe;

[0009] An inner positioning structure is symmetrically installed on both sides of the limiting structure. The inner positioning structure is movably installed on the limiting structure. The inner positioning structure can retract inward or expand outward to form an assembly gap with the inner wall of the reinforced concrete pipe when it retracts inward, and gradually abut against the inner wall of the reinforced concrete pipe and fix it when it expands outward.

[0010] A traction component is connected to the inner positioning structure. The end of the traction component away from the inner positioning structure is installed on the lifting device seat. When the lifting device seat is subjected to force and moves upward, the traction component applies a pulling force to the inner positioning structure, causing the inner positioning structure to be adjusted from an inwardly retracted state to an outwardly extended state under the action of the pulling force.

[0011] A one-way adjustment member is disposed within the spreader seat, and the traction assembly extends to the one-way adjustment member. The one-way adjustment member pulls the traction assembly along a length direction away from the inner positioning structure and the traction assembly to adjust the length of the traction assembly between the spreader seat and the inner positioning structure, thereby adjusting the position of the limiting structures on both sides relative to the spreader seat.

[0012] Furthermore, the limiting structure includes a top plate and a bottom plate;

[0013] The top plate and the bottom plate are connected by side plates, and a cavity is formed between the top plate and the bottom plate for at least a portion of the reinforced concrete pipe wall to be embedded.

[0014] Both the top plate and the bottom plate are arc-shaped, and the distance between the top plate and the bottom plate is greater than the thickness of the reinforced concrete pipe.

[0015] Furthermore, a mounting plate is connected to the outer end of the top plate, and the inner positioning structure is mounted on the mounting plate;

[0016] The internal positioning structure includes a mounting base mounted on the mounting plate, a cavity disposed in the mounting base, and a base mounted in the cavity;

[0017] The base is provided with a ball groove, and a universal ball is provided in the ball groove. A rotating rod is connected to the universal ball, and an installation arc rod is connected to the outer end of the rotating rod. A positioning arc plate is installed on the side of the installation arc rod facing the inside of the reinforced concrete pipe. A connecting rod is connected to the installation arc rod. Several installation sleeves are installed at the bottom of the positioning arc plate and are connected to the installation arc rod and the connecting rod through the installation sleeves.

[0018] An elastic plate is bolted to the bottom of the base plate, and the bottom of the positioning arc plate is supported on the upper surface of the elastic plate.

[0019] Furthermore, the base is provided with a plurality of elastic plates arranged in a circular array, and a cylindrical area is formed between the elastic plates for the rotating rod to pass through. The outer wall of the end of each elastic plate is provided with a first inclined surface.

[0020] A threaded groove is formed inside the cavity, and a threaded bolt is threaded into the threaded groove.

[0021] The threaded bolt has a circular bolt head at its end. A central hole is formed at the center of the threaded bolt and the circular bolt head for the rotating rod to pass through. The central hole has a second inclined surface that is directly opposite the first inclined surface near the wall of the elastic plate. When the second inclined surface moves towards the first inclined surface, the elastic plate is squeezed inward by the second inclined surface and applies a supporting force to the rotating rod to drive the rotating rod to rotate.

[0022] Furthermore, the mounting plate is provided with a mounting compartment, and the mounting seat, the base, and the threaded bolt are all disposed in the mounting compartment. The mounting compartment has a vertical groove along the vertical direction for the rotating rod to pass through and move.

[0023] The top wall of the installation compartment is provided with a first through hole for the traction assembly to pass through, and the end of the traction assembly is connected to the circular bolt head.

[0024] A second through hole is provided on the side wall of the installation compartment. A first pulling rope is connected to the outer wall of the circular bolt head along the circumferential direction. The first pulling rope passes through the second through hole, and a buckle is connected to the end of the first pulling rope that extends out of the second through hole.

[0025] Furthermore, the traction assembly includes a second traction rope connected to the outer wall of the circular plug head and a pull seat connected to the end of the second traction rope;

[0026] The end of the second pulling rope is fixedly connected to the circular bolt head, and the connection point is off-center from its central axis. The second pulling rope passes through the first through hole. A threaded seat is connected to the pull seat. A threaded cylinder is threadedly fitted on the threaded seat. A third pulling rope is connected to the threaded cylinder. The end of the third pulling rope away from the threaded cylinder extends to the lifting device seat.

[0027] Furthermore, the one-way adjusting member includes a guide cavity disposed in the lifting device seat, a first through-tube disposed in the guide cavity, and a second through-tube connected to the end of the first through-tube;

[0028] The first and second tubes are interconnected, and the third pulling rope passes through the first and second tubes in sequence. The inner diameter of the second tube is larger than the inner diameter of the first tube.

[0029] A sliding sleeve is slidably disposed inside the first through-tube, and a sliding seat is slidably disposed inside the second through-tube. A spring is disposed between the sliding seat and the sliding sleeve. A third through hole is provided on both the sliding sleeve and the sliding seat for the third pulling rope to pass through.

[0030] The outer wall of the sliding sleeve end forms a conical outer wall, and the inner wall of the first through-tube forms a conical inner wall directly opposite the conical outer wall. The inner wall of the sliding sleeve is provided with a groove, and the groove has openings on both the inner and outer sides. A damping steel ball is embedded in the groove, and at least part of the outer wall of the damping steel ball is in contact with the outer wall of the third traction rope.

[0031] Furthermore, a control rod is connected to the sliding seat, the control rod passes through the second through cylinder, and a movable plate is connected to the end of the control rod away from the sliding seat. A guide plate is provided in the guide cavity, and the movable plate is movably disposed between the guide plates.

[0032] The bottom of the lifting device base is provided with a bottom hole, in which an installation shaft is installed, and an adjusting bolt is rotatably installed through the installation shaft. A U-shaped groove is formed at the top of the adjusting bolt, and the movable plate is placed in the U-shaped groove.

[0033] The bottom of the adjusting bolt extends out of the lifting device seat.

[0034] Furthermore, a guide seat is provided on the inner wall of the guide cavity, and a guide groove seat is provided inside the guide cavity;

[0035] The third traction rope passes through the guide seat and the guide groove seat in sequence, and then exits the lifting device seat.

[0036] Furthermore, the top surfaces on both sides of the lifting device base are provided with lifting plates, and the lifting plates are provided with lifting holes, into which the lifting hooks are inserted.

[0037] Compared with the prior art, the present invention has the following advantages:

[0038] In this invention, the two ends of the reinforced concrete pipe are first initially limited by the limiting structure, and then the inner positioning structure is positioned on the inner wall of the two ends of the reinforced concrete pipe in a close-fitting manner to achieve all-round fixation of the two ends of the reinforced concrete pipe, so as to prevent the reinforced concrete pipe from swaying left and right during the transfer process. The inner positioning structure applies support force in different directions to the reinforced concrete pipe, thereby improving the positioning effect of the reinforced concrete pipe.

[0039] After the internal positioning structure is fixed inside the reinforced concrete pipe, it no longer moves relative to the reinforced concrete pipe. Only under external force adjustment can the assembly spacing be increased to allow the reinforced concrete pipe to be removed. This avoids the problem of the fixed position of the reinforced concrete pipe changing due to continuous adjustment during transportation, and ensures the positioning effect of the reinforced concrete pipe during transportation.

[0040] The unidirectional adjustment component limits the direction of movement of the traction assembly, preventing it from falling, and allows for upward adjustment of its own length. This facilitates further adjustment of the lifting angle of the reinforced concrete pipe, with a large adjustment range that expands the adjustment range of the inclination angle of the reinforced concrete pipe. Attached Figure Description

[0041] To more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description are merely exemplary, and those skilled in the art can derive other embodiments based on the provided drawings without creative effort.

[0042] Figure 1 A three-dimensional structural schematic diagram of a horizontal stabilization hoisting device for prestressed reinforced concrete pipe provided in an embodiment of the present invention;

[0043] Figure 2 A three-dimensional structural schematic diagram of a horizontal stabilizing hoisting device for a prestressed reinforced concrete pipe provided in an embodiment of the present invention;

[0044] Figure 3 This is a schematic diagram of the structure of the lifting device base, limiting structure, internal positioning structure, and traction assembly in an embodiment of the present invention;

[0045] Figure 4 for Figure 3 A top-view structural diagram;

[0046] Figure 5 for Figure 4 A planar sectional view along the AA direction;

[0047] Figure 6 for Figure 5 A magnified structural diagram of A in the middle;

[0048] Figure 7 This is a three-dimensional structural diagram of the lifting device base and the third pulling rope in an embodiment of the present invention;

[0049] Figure 8 This is a side view of the lifting device base and the third pulling rope in an embodiment of the present invention;

[0050] Figure 9 for Figure 8 A planar sectional view along the BB direction;

[0051] Figure 10 for Figure 9 A magnified structural diagram of B in the diagram;

[0052] Figure 11 This is a top view schematic diagram of the lifting device base and the third pulling rope in an embodiment of the present invention;

[0053] Figure 12 for Figure 11 A three-dimensional sectional view along the CC direction.

[0054] The labels in the diagram represent the following:

[0055] 1. Reinforced concrete pipe; 2. Lifting device base; 3. Limiting structure; 4. Internal positioning structure; 5. Traction assembly; 6. One-way adjustment component; 7. Mounting plate; 8. Elastic plate; 9. Lifting plate; 10. Lifting hole;

[0056] 31. Top plate; 32. Bottom plate; 33. Cavity;

[0057] 41. Mounting base; 42. Cavity; 43. Base; 44. Ball groove; 45. Universal ball; 46. Rotating rod; 47. Mounting arc rod; 48. Positioning arc plate; 49. Connecting rod; 410. Mounting sleeve; 411. Elastic sheet; 412. First inclined surface; 413. Threaded groove; 414. Threaded bolt; 415. Circular bolt head; 416. Center hole; 417. Second inclined surface; 418. Mounting compartment; 419. Vertical wall groove; 420. First through hole; 421. Second through hole; 422. First pull rope; 423. Buckle;

[0058] 51. Second pull rope; 52. Pull seat; 53. Threaded seat; 54. Threaded cylinder; 55. Third pull rope;

[0059] 61. Guide cavity; 62. First through-tube; 63. Second through-tube; 64. Sliding sleeve; 65. Sliding seat; 66. Spring; 67. Third through-hole; 68. Conical outer wall; 69. Conical inner wall; 610. Groove; 611. Damping steel ball; 612. Control rod; 613. Movable plate; 614. Guide plate; 615. Bottom hole; 616. Adjusting bolt; 617. U-shaped groove; 618. Guide seat; 619. Guide groove seat. Detailed Implementation

[0060] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0061] like Figures 1-4 , Figure 12 As shown, the present invention provides a horizontal stabilizing hoisting device for prestressed reinforced concrete pipes, including a hoisting seat 2, a limiting structure 3, an internal positioning structure 4, a traction component 5, a one-way adjusting component 6, etc.

[0062] The lifting device 2 is installed on the hook of the crane. The lifting device 2 cooperates with the hook on the crane. The top surfaces on both sides of the lifting device 2 are provided with lifting plates 9. The lifting plates 9 are provided with lifting holes 10. The hooks are inserted into the lifting holes 10. There are usually several lifting holes 10. At least two hooks are inserted into the lifting holes 10 on the lifting plates 9 on different sides to lift the lifting device 2 and the corresponding structure. The more hooks are provided, the more stable the lifting device 2 and the corresponding structure are during the lifting process. In order to ensure stability, four hooks are usually provided to lift the lifting device 2.

[0063] The limiting structure 3 is symmetrically installed at the top of both ends of the reinforced concrete pipe 1. The limiting structure 3 initially limits its own position on the reinforced concrete pipe 1. The limiting structure 3 initially limits the position of the overall structure to facilitate the subsequent fixing and installation of the internal positioning structure 4 at the corresponding position of the reinforced concrete pipe 1.

[0064] The inner positioning structure 4 is symmetrically installed on both sides of the limiting structure 3. The inner positioning structure 4 is movably installed on the limiting structure 3. The inner positioning structure 4 can be retracted inward or extended outward so that when it is retracted inward, it forms an assembly gap with the inner wall of the reinforced concrete pipe 1. When the inner positioning structure 4 is extended outward, it gradually comes into contact with the inner wall of the reinforced concrete pipe 1 and is fixed. When the inner positioning structure 4 is in the retracted state, the inner positioning structure 4 is away from the reinforced concrete pipe 1. When the inner positioning structure 4 is in the extended state, the reinforced concrete pipe 1 is tightly attached to the inner wall of the reinforced concrete pipe 1, thereby fixing the reinforced concrete pipe 1.

[0065] In this invention, the two ends of the reinforced concrete pipe 1 are initially limited by the limiting structure 3, and then the inner positioning structure 4 is positioned on the inner wall of the two ends of the reinforced concrete pipe 1 in a close-fitting manner, so as to achieve all-round fixation of the two ends of the reinforced concrete pipe 1 and prevent the reinforced concrete pipe 1 from swaying left and right during the transfer process. The inner positioning structure 4 applies support force in different directions to the reinforced concrete pipe 1, thereby improving the positioning effect of the reinforced concrete pipe 1.

[0066] After the internal positioning structure 4 is fixed inside the reinforced concrete pipe 1, it no longer moves relative to the reinforced concrete pipe 1. Only under external force adjustment can the assembly spacing be increased so that the reinforced concrete pipe 1 can be removed. This avoids the problem of the fixed position of the reinforced concrete pipe 1 changing due to continuous adjustment of the reinforced concrete pipe 1 during the transportation process, and ensures the positioning effect of the reinforced concrete pipe 1 during the transportation process.

[0067] The traction component 5 is connected to the inner positioning structure 4. The end of the traction component 5 away from the inner positioning structure 4 is installed on the lifting seat 2. When the lifting seat 2 is subjected to force and moves upward, the traction component 5 applies a pulling force to the inner positioning structure 4, causing the inner positioning structure 4 to change from an inwardly contracted state to an outwardly extended state under the action of the pulling force. As the traction component 5 moves upward with the lifting seat 2, under the action of the weight of the reinforced concrete pipe 1 itself, the inner positioning structure 4 is gradually adjusted from an inwardly contracted state to an outwardly extended state to fix the reinforced concrete pipe 1.

[0068] One-way adjustment component 6 is installed inside the spreader seat 2. The traction component 5 extends to the one-way adjustment component 6. The one-way adjustment component 6 adjusts the length of the traction component 5 by pulling in a direction away from the inner positioning structure 4, so as to adjust the length of the traction component 5 between the spreader seat 2 and the inner positioning structure 4, thereby adjusting the position of the two side limiting structures 3 relative to the spreader seat 2. The one-way adjustment component 6 limits the pulling direction of the traction component 5, thereby realizing the pulling adjustment of the traction component 5.

[0069] The one-way adjustment component 6 limits the direction of movement of the traction component 5, preventing the traction component 5 from falling, and can adjust its own length upwards, which facilitates further adjustment of the lifting angle of the reinforced concrete pipe 1. The adjustment range is large, which expands the adjustment range of the tilt angle of the reinforced concrete pipe 1.

[0070] In this invention, the limiting structure 3 initially defines its position on the reinforced concrete pipe 1. The limiting structure 3 initially defines the position of the overall structure to facilitate the subsequent fixing and installation of the inner positioning structure 4 at the corresponding position on the reinforced concrete pipe 1. Specifically, as shown... Figure 3As shown, the limiting structure 3 includes a top plate 31 and a bottom plate 32; the top plate 31 and the bottom plate 32 are connected by a side plate, and a cavity 33 is formed between the top plate 31 and the bottom plate 32 for at least part of the reinforced concrete pipe 1 wall to be embedded. From the side, the top plate 31 and the bottom plate 32 together form a side-lying U-shaped structure to accommodate the horizontal reinforced concrete pipe 1 and place the end of the reinforced concrete pipe 1 into the cavity 33.

[0071] To match the shape of the reinforced concrete pipe 1, both the top plate 31 and the bottom plate 32 are arc-shaped. The arc-shaped outline of the top plate 31 is adapted to the outer wall of the reinforced concrete pipe 1, and the arc-shaped outline of the bottom plate 32 is adapted to the inner wall of the reinforced concrete pipe 1.

[0072] However, the top plate 31 and the bottom plate 32 do not simultaneously contact the inner or outer wall of the reinforced concrete pipe 1. The distance between the top plate 31 and the bottom plate 32 is greater than the thickness of the reinforced concrete pipe 1. In the initial state, the top plate 31 and the bottom plate 32 are clamped at the end of the reinforced concrete pipe 1. Under the action of gravity, the top plate 31 contacts the outer wall of the reinforced concrete pipe 1, and there is a certain distance between the bottom plate 32 and the inner wall of the reinforced concrete pipe 1. This design is to avoid the fixed size between the top plate 31 and the bottom plate 32, which cannot accommodate reinforced concrete pipes 1 with larger thicknesses.

[0073] To install the inner positioning structure 4, an installation plate 7 is connected to the outer end of the top plate 31. The inner positioning structure 4 is installed on the installation plate 7. The installation plate 7 is located on the outer side of the top plate 31 away from the bottom plate 32 and away from the installation position of the reinforced concrete pipe 1 on the top plate 31.

[0074] The inner positioning structure 4 can retract inward or expand outward to form an assembly gap with the inner wall of the reinforced concrete pipe 1 when retracting inward. When expanding outward, the inner positioning structure 4 gradually comes into contact with and is fixed to the inner wall of the reinforced concrete pipe 1. When the inner positioning structure 4 is in the retracted state, it moves away from the reinforced concrete pipe 1. When the inner positioning structure 4 is in the expanded state, the reinforced concrete pipe 1 is tightly fixed to the inner wall of the reinforced concrete pipe 1. Specifically, as shown... Figure 5 , Figure 6 As shown, the inner positioning structure 4 includes a mounting base 41 mounted on the mounting plate 7, a cavity 42 disposed in the mounting base 41, and a base 43 mounted in the cavity 42.

[0075] The base 43 has a ball groove 44, and a universal ball 45 is installed in the ball groove 44. A rotating rod 46 is connected to the universal ball 45. The rotating rod 46 can rotate around the universal ball 45. An installation arc rod 47 is connected to the outer end of the rotating rod 46. A positioning arc plate 48 is installed on the side of the installation arc rod 47 facing the inside of the reinforced concrete pipe 1. A connecting rod 49 is connected to the installation arc rod 47. Several installation sleeves 410 are installed at the bottom of the positioning arc plate 48, and the installation arc rod 47 and the connecting rod 49 are connected through the installation sleeves 410.

[0076] When not pulled by the traction component 5, the mounting arc rod 47 rotates downward and the rotating rod 46 rotates downward under the gravity of the positioning arc plate 48. If pulled by the traction component 5, the rotating rod 46 will rotate upward, thereby driving the positioning arc plate 48 to rotate upward through the mounting arc rod 47 and the connecting rod 49. The positioning arc plate 48 then abuts against the inner wall of the reinforced concrete pipe 1, thus fixing the reinforced concrete pipe 1.

[0077] To accommodate reinforced concrete pipes 1 of different specifications, a rubber layer can be provided on the surface of the positioning arc plate 48, or several plates can be connected by an elastic structure to support the reinforced concrete pipe 1 and thus fix the reinforced concrete pipe 1.

[0078] In this invention, the positioning arc plate 48 has a certain weight. In order to avoid the large reaction force on the traction component 5 and cause wear to the traction component 5 itself, the present invention also makes the following design: an elastic plate 8 is installed at the bottom of the base plate 32 by bolts, and the bottom of the positioning arc plate 48 is supported on the upper surface of the elastic plate 8. The elastic plate 8 is used to offset part of the weight of the positioning arc plate 48, so that the traction component 5 can apply a small force to drive the positioning arc plate 48 to rotate upward and achieve positioning.

[0079] In order to enable the traction component 5 to drive the positioning arc plate 48 to rotate, the present invention is designed as follows: a number of elastic plates 411 are connected in a circular array on the base 43, and a cylindrical area is formed between the elastic plates 411 for the rotating rod 46 to pass through. The outer wall of the end of the elastic plate 411 is formed with a first inclined surface 412.

[0080] A threaded groove 413 is formed inside the cavity 42, and a threaded bolt 414 is threadedly assembled inside the threaded groove 413.

[0081] The threaded bolt 414 is connected to a circular bolt head 415 at its end. A central hole 416 is provided at the center of the threaded bolt 414 and the circular bolt head 415 for the rotating rod 46 to pass through. A second inclined surface 417 is formed on the wall of the central hole 416 near the elastic plate 411, which is directly opposite to the first inclined surface 412. When the second inclined surface 417 moves closer to the first inclined surface 412, the elastic plate 411 is squeezed inward by the second inclined surface 417 and applies a supporting force to the rotating rod 46 to drive the rotating rod 46 to rotate.

[0082] In the initial state, the rotating rod 46 is supported on one of the elastic plates 411. When the circular bolt head 415 is rotated under force, the threaded bolt 414 rotates along with it. The threaded bolt 414 gradually spirals into the threaded groove 413, causing the second inclined surface 417 to gradually approach and fit the first inclined surface 412. As it continues to spiral forward, under the pressure of the second inclined surface 417, the first inclined surface 412 gradually retracts inward, and the elastic plate 411 retracts inward as well, applying a supporting force to the rotating rod 46 and causing the rotating rod 46 to rotate upward, thereby causing the positioning arc plate 48 to rotate.

[0083] To prevent the rotating rod 46 from rotating in other directions, such as Figure 3 As shown, a mounting compartment 418 is provided on the mounting plate 7. The mounting seat 41, base 43, and threaded bolt 414 are all located in the mounting compartment 418. A vertical wall groove 419 is provided on the mounting compartment 418 along the vertical direction for the rotating rod 46 to pass through and move. The vertical wall groove 419 is used to limit the rotation direction of the rotating rod 46, thereby limiting the movement direction of the positioning arc plate 48 to retract inward or expand outward.

[0084] The traction assembly 5 primarily applies a torsional force in the circumferential direction to the circular bolt head 415. To further enable the traction assembly 5 to apply force to the circular bolt head 415, such as... Figure 3 As shown, the top wall of the installation compartment 418 is provided with a first through hole 420 for the traction assembly 5 to pass through. The end of the traction assembly 5 is connected to the circular bolt head 415. When the traction assembly 5 pulls the circular bolt head 415, the circular bolt head 415 rotates. This requires the following condition to be met: the end of the second traction rope 51 is fixedly connected to the circular bolt head 415, and the connection point is off-center from its central axis. Only in this way can the circular bolt head 415 be driven to rotate when the traction assembly 5 is pulled.

[0085] To facilitate the disassembly of the reinforced concrete pipe 1 and the inner positioning structure 4, the present invention also includes the following design features, such as... Figure 3 and Figure 6 As shown, a second through hole 421 is provided on the side wall of the installation compartment 418. A first pulling rope 422 is connected to the outer wall of the circular bolt head 415 along the circumferential direction. The first pulling rope 422 passes through the second through hole 421, and a buckle 423 is connected to the end of the first pulling rope 422 that extends out of the second through hole 421.

[0086] The process by which the internal positioning structure 4 automatically positions, locks, and unlocks the reinforced concrete pipe 1 under stress is as follows:

[0087] Initial state (not locked): The threaded bolt 414 is unscrewed, the elastic plate 411 remains in the unfolded state, there is a gap between the elastic plate 411 and the rotating rod 46, the rotating rod 46 can rotate freely and abuts against the inner side of the elastic plate 411 under its own weight and the weight of the positioning arc plate 48.

[0088] Lifting and locking: When the lifting device 2 is lifted, the traction component 5 is tightened. Because the pulling force of the traction component 5 directly acts on the circular bolt head 415, the circular bolt head 415 can rotate relative to the mounting base 41. Under the gravity of the reinforced concrete pipe 1, the limiting structure 3 and the inner positioning structure 4 will not be subjected to tension and will move directly upward. Under the tightening action of the traction component 5, the circular bolt head 415 is driven to rotate relative to the mounting base 41, driving the threaded bolt 414 to screw into the cavity 42. The second inclined surface 417 of the threaded bolt 414 presses the first inclined surface 412 of the elastic sheet 411, causing the elastic sheet 411 to hug the rotating rod 46, causing the rotating rod 46 to rotate upward, thereby driving the positioning arc plate 48 to rotate upward and abut against the inner wall of the reinforced concrete pipe 1 to achieve fixation.

[0089] When the traction component 5 is pulled up to a certain extent, the connection point of the traction component 5 on the circular bolt head 415 rotates to the highest point. At this time, if the traction component 5 is pulled up further, the circular bolt head 415 will no longer rotate. The traction component 5 will be lifted by applying tension to the limiting structure 3, the inner positioning structure 4 and the reinforced concrete pipe 1.

[0090] The elastic plate 411 grips the rotating rod 46 due to the squeezing force of the threaded bolt 414, generating a huge supporting force. This supporting force will not disappear or decrease when the circular bolt head 415 is not subjected to torsional force, thereby locking the positioning arc plate 48 in the open state. In this state, the positioning arc plate 48 can effectively fix the reinforced concrete pipe 1.

[0091] Unlocking: By pulling the side buckle 423 and the first pull rope 422, the circular bolt head 415 is rotated in the opposite direction, causing the threaded bolt 414 to unscrew, the elastic piece 411 to loosen, and the rotating rod 46 can then rotate downwards under the weight of the positioning arc plate 48 to return to the retracted state.

[0092] The direction in which the circular bolt head 415 is rotated by the pull buckle 423 and the first pull rope 422 is opposite to the direction in which the circular bolt head 415 is rotated by the traction assembly 5.

[0093] The end of the traction component 5 furthest from the inner positioning structure 4 is mounted on the lifting seat 2. When the lifting seat 2 is subjected to force and moves upward, the traction component 5 applies a pulling force to the inner positioning structure 4, causing the inner positioning structure 4 to change from an inwardly retracted state to an outwardly extended state under the action of the pulling force, thereby fixing the reinforced concrete pipe 1. Specifically, as shown... Figure 5As shown, the traction assembly 5 includes a second traction rope 51 connected to the outer wall of the circular bolt head 415 and a pull seat 52 connected to the end of the second traction rope 51.

[0094] The second pulling rope 51 passes through the first through hole 420. A threaded seat 53 is connected to the pull seat 52. A threaded cylinder 54 is threaded onto the threaded seat 53. A third pulling rope 55 is connected to the threaded cylinder 54. The end of the third pulling rope 55 away from the threaded cylinder 54 extends to the lifting device seat 2.

[0095] The second pull rope 51 and the third pull rope 55 are connected by a threaded seat 53 and a threaded cylinder 54. The second pull rope 51 and the third pull rope 55 are detachable. In the initial state, the connection between the threaded cylinder 54 and the threaded seat 53 can be loosened (or the threaded seat 53 can be directly unscrewed from the threaded cylinder 54). First, the limiting structure 3 and the inner positioning structure 4 are assembled into place, and then the threaded cylinder 54 and the threaded seat 53 are tightened and fixed.

[0096] The traction assembly 5 extends to the one-way adjusting member 6. The one-way adjusting member 6 pulls on the traction assembly 5 along its length away from the inner positioning structure 4, adjusting the length of the traction assembly 5 between the spreader seat 2 and the inner positioning structure 4. This adjusts the position of the two side limiting structures 3 relative to the spreader seat 2. The one-way adjusting member 6 limits the pulling direction of the traction assembly 5, thus achieving pull-type adjustment of the traction assembly 5. Specifically, as shown... Figure 7 , Figure 8 , Figure 9 and Figure 10 As shown, the one-way adjusting member 6 includes a guide cavity 61 disposed in the lifting device seat 2, a first through cylinder 62 disposed in the guide cavity 61, and a second through cylinder 63 connected to the end of the first through cylinder 62.

[0097] The first through-tube 62 and the second through-tube 63 are connected to each other. The third pull rope 55 passes through the first through-tube 62 and the second through-tube 63 in sequence. The inner diameter of the second through-tube 63 is larger than the inner diameter of the first through-tube 62.

[0098] A sliding sleeve 64 is slidably disposed inside the first through-tube 62, and a sliding seat 65 is slidably disposed inside the second through-tube 63. A spring 66 is disposed between the sliding seat 65 and the sliding sleeve 64. A third through hole 67 is provided on both the sliding sleeve 64 and the sliding seat 65 for the third pulling rope 55 to pass through.

[0099] The outer wall of the end of the sliding sleeve 64 forms a conical outer wall 68, and the inner wall of the first through-tube 62 forms a conical inner wall 69 that is directly opposite the conical outer wall 68. The inner wall of the sliding sleeve 64 is provided with a groove 610, and the inner and outer sides of the groove 610 are provided with openings. A damping steel ball 611 is embedded in the groove 610, and at least part of the outer wall of the damping steel ball 611 is in contact with the outer wall of the third pulling rope 55.

[0100] A guide seat 618 is provided on the inner wall of the guide cavity 61, and a guide groove seat 619 is provided inside the guide cavity 61; the third pulling rope 55 passes through the guide seat 618 and the guide groove seat 619 in sequence, and exits outside the lifting device seat 2. The guide seat 618 and the guide groove seat 619 play a guiding role for the third pulling rope 55.

[0101] The third traction rope 55 may be subjected to forces in two directions: one from the end closer to the inner positioning structure 4 (i.e., the direction of gravity of the reinforced concrete pipe 1), and the other from the end farther away from the inner positioning structure 4 (i.e., the direction of manual adjustment). The first force is generally generated by the gravity of the reinforced concrete pipe 1. Under this force, the third traction rope 55 will not be displaced relative to the one-way adjustment component 6. If displacement occurs, the third traction rope 55 may be forced downward, making it impossible to guarantee the horizontal hoisting state of the reinforced concrete pipe 1. The second force can be applied by construction personnel or with the help of external power equipment. Through this force, the third traction rope 55 is pulled, reducing the rope length between the lifting seat 2 and the inner positioning structure 4, thereby achieving the angle adjustment of the reinforced concrete pipe 1.

[0102] The above design achieves a certain range of adjustment for the traction component 5 itself, while avoiding the problem of poor positioning effect due to adjustability.

[0103] The specific working process of the one-way adjustment component 6 is as follows:

[0104] When the third traction rope 55 is under tension near the end of the reinforced concrete pipe 1 and tends to move, under the action of friction and the elastic force of the spring 66, the third traction rope 55 will drive the sliding sleeve 64 to move to the conical inner wall 69 through the damping steel ball 611. Under the compression of the conical inner wall 69, the damping steel ball 611 will move radially inward and be tightly stuck on the outer wall of the third traction rope 55. The size design of the conical inner wall 69 is that its inner diameter is smaller closer to the outer end. If the third traction rope 55 wants to move outward, it must drive the sliding sleeve 64 and the damping steel ball 611 to move outward together. The damping steel ball 611 is limited by the space formed inside the conical inner wall 69 and cannot move into the space with a smaller inner diameter. Therefore, the third traction rope 55 cannot move outward, which also limits the third traction rope 55 from moving outward under the gravity of the reinforced concrete pipe 1.

[0105] When the third traction rope 55 is under tension at the end away from the reinforced concrete pipe 1, the third traction rope 55 will drive the sliding sleeve 64 and the damping steel ball 611 to move towards the interior of the second through-tube 63. The damping steel ball 611 enters the larger space inside the conical inner wall 69 and will no longer be squeezed by the conical inner wall 69. The third traction rope 55 can move along the direction away from the end of the reinforced concrete pipe 1, thereby shortening the length of the third traction rope 55 above one end of the reinforced concrete pipe 1 and adjusting the hoisting angle of the reinforced concrete pipe 1.

[0106] Under continuous lifting angle adjustments, the length of the third traction rope 55 remaining between the reinforced concrete pipe 1 and the lifting device seat 2 may be insufficient to accommodate the changes in the adjustment angle. To address this, the present invention makes the following design: Figure 9 , Figure 11 and Figure 12 As shown, a control rod 612 is connected to the sliding seat 65. The control rod 612 passes through the second through cylinder 63, and a movable plate 613 is connected to the end of the control rod that is away from the sliding seat 65. A guide plate 614 is provided in the guide cavity 61, and the movable plate 613 is movably disposed between the guide plates 614.

[0107] The bottom of the lifting device base 2 is provided with a bottom hole 615, an installation shaft is installed in the bottom hole 615, and an adjusting bolt 616 is installed by rotating the installation shaft. A U-shaped groove 617 is formed on the top of the adjusting bolt 616, and the movable plate 613 is placed in the U-shaped groove 617.

[0108] The bottom of the adjusting bolt 616 extends out of the lifting seat 2.

[0109] When the sliding seat 65 is in the middle of the second through-tube 63, the adjustment direction of the third pulling rope 55 can be limited as described above. When the sliding seat 65 is at the end of the second through-tube 63 away from the first through-tube 62, even with the elastic force of the spring 66, the sliding sleeve 64 will not be squeezed to the position directly opposite the conical inner wall 69. The damping steel ball 611 will not be squeezed by the conical inner wall 69, and will not generate resistance to the third pulling rope 55. Under these circumstances, the third pulling rope 55 will not be obstructed no matter which direction it moves. Therefore, the length of the third pulling rope 55 on both sides can be further adjusted so that the length of the third pulling rope 55 between the reinforced concrete pipe 1 and the lifting seat 2 is restored to its previous length, which is convenient for subsequent single-direction adjustment.

[0110] If the sliding seat 65 is positioned closer to the first through-tube 62, a greater elastic force will be applied, and the damping steel ball 611, located inside the conical inner wall 69, will compress (apply resistance) the third pulling rope 55, thus achieving the aforementioned limitation on the adjustment direction of the third pulling rope 55.

[0111] The function of the adjusting bolt 616 is to adjust the position of the sliding seat 65. The rotation of the adjusting bolt 616 can adjust the position of the movable plate 613. When the movable plate 613 moves to one side, the sliding seat 65 in one of the one-way adjusting members 6 will necessarily be at the end of the second through-tube 63 away from the first through-tube 62, while the sliding seat 65 in the other one-way adjusting member 6 will be at a position closer to the first through-tube 62. At this time, the third pull rope 55 on one side is pulled outward to restore its original length. When the movable plate 613 moves to the other side, the sliding seat 65 in the other one-way adjusting member 6 will necessarily be at the end of the second through-tube 63 away from the first through-tube 62. At this time, the third pull rope 55 on the other side is pulled outward to restore its original length.

[0112] When the third traction rope 55 is pulled away from the end of the reinforced concrete pipe 1 to adjust the length of the traction component 5, the end of the traction component 5 bears the entire weight of the reinforced concrete pipe 1. This may make it difficult to pull the third traction rope 55 to adjust the length during the hoisting of the reinforced concrete pipe 1. To address this, an auxiliary support is set up at the installation location of the reinforced concrete pipe 1. This auxiliary support can temporarily support the reinforced concrete pipe 1. Before the reinforced concrete pipe 1 is hoisted to the installation location, it is placed on the auxiliary support. The traction component 5 is lowered so that it relaxes and is no longer subject to the weight of the reinforced concrete pipe 1. At this time, pulling the third traction rope 55 with external force can effectively adjust the hoisting height of both ends of the reinforced concrete pipe 1, thereby adjusting its angle. In summary, the main implementation process of this invention is as follows:

[0113] Insert at least two hooks from the crane into the lifting holes 10 on the lifting plates 9 on different sides;

[0114] The top plate 31 and the bottom plate 32 are clamped at the end of the reinforced concrete pipe 1. Under the action of gravity, the top plate 31 contacts the outer wall of the reinforced concrete pipe 1, and there is a certain distance between the bottom plate 32 and the inner wall of the reinforced concrete pipe 1.

[0115] After assembling the limiting structure 3, thread the threaded cylinder 54 and the threaded seat 53 together.

[0116] The crane starts and moves the lifting seat 2 upward. The traction component 5 is pulled upward, which first moves the top plate 31 and the bottom plate 32 upward, so that the bottom plate 32 abuts against the inner wall of the reinforced concrete pipe 1. Then, under the gravity of the reinforced concrete pipe 1, the limiting structure 3 cannot move upward. Under the tensioning action of the traction component 5, the circular bolt head 415 rotates relative to the mounting seat 41, driving the threaded bolt 414 to screw into the cavity 42. The second inclined surface 417 of the threaded bolt 414 presses the first inclined surface 412 of the elastic sheet 411, so that the elastic sheet 411 hugs the rotating rod 46, so that the rotating rod 46 rotates upward, thereby driving the positioning arc plate 48 to rotate upward and abut against the inner wall of the reinforced concrete pipe 1, thus fixing the reinforced concrete pipe 1.

[0117] When the traction component 5 is pulled up to a certain extent, the connection point of the traction component 5 on the circular bolt head 415 rotates to the highest point. At this time, if the traction component 5 is pulled up further, the circular bolt head 415 will no longer rotate. The traction component 5 will be lifted by applying tension to the limiting structure 3, the inner positioning structure 4 and the reinforced concrete pipe 1.

[0118] Before hoisting the reinforced concrete pipe 1 to the installation site using a crane, the reinforced concrete pipe 1 is first placed on an auxiliary support. The traction component 5 is lowered so that it is relaxed and no longer subject to the weight of the reinforced concrete pipe 1. At this time, the hoisting height of both ends of the reinforced concrete pipe 1 is adjusted by pulling the third traction rope 55 with external force, thereby adjusting its own angle.

[0119] After adjustment, continue to lift the reinforced concrete pipe 1 and connect it to the installation position. After installation, pull the buckle 423 to drive the first pulling rope 422 to move, thereby driving the circular bolt head 415 to move in the opposite direction. The circular bolt head 415 and the threaded bolt 414 are reset. The second inclined surface 417 no longer applies pressure to the first inclined surface 412. The elastic sheet 411 unfolds outward, and the rotating rod 46 also rotates downward under the gravity of the positioning arc plate 48, directly removing the limiting structure 3 of the inner positioning structure 4.

[0120] The above embodiments are merely exemplary embodiments of this application and are not intended to limit this application. The scope of protection of this application is defined by the claims. Those skilled in the art can make various modifications or equivalent substitutions to this application within its substance and scope of protection, and such modifications or equivalent substitutions should also be considered to fall within the scope of protection of this application.

Claims

1. A horizontal stabilizing hoisting device for prestressed reinforced concrete pipes, characterized in that, include: The lifting device (2) is installed on the hook of the crane; The limiting structure (3) is symmetrically mounted on the top of both ends of the reinforced concrete pipe (1), and the limiting structure (3) initially limits its own position on the reinforced concrete pipe (1); An inner positioning structure (4) is symmetrically installed on both sides of the limiting structure (3). The inner positioning structure (4) is movably installed on the limiting structure (3). The inner positioning structure (4) can retract inward or expand outward so that when it retracts inward, it forms an assembly gap with the inner wall of the reinforced concrete pipe (1). When the inner positioning structure (4) expands outward, it gradually comes into contact with the inner wall of the reinforced concrete pipe (1) and is fixed. The traction component (5) is connected to the inner positioning structure (4). The end of the traction component (5) away from the inner positioning structure (4) is installed on the lifting seat (2). When the lifting seat (2) is subjected to force and moves upward, the traction component (5) applies a pulling force to the inner positioning structure (4), so that the inner positioning structure (4) is adjusted from the inward retracted state to the outward unfolded state under the action of the pulling force. A one-way adjusting member (6) is disposed inside the lifting device seat (2). The traction component (5) extends to the one-way adjusting member (6). The one-way adjusting member (6) pulls the traction component (5) along the length direction away from the inner positioning structure (4) and the traction component (5) to adjust the length of the traction component (5) between the lifting device seat (2) and the inner positioning structure (4), thereby adjusting the position of the limiting structures (3) on both sides relative to the lifting device seat (2).

2. The horizontal stabilizing hoisting device for prestressed reinforced concrete pipes according to claim 1, characterized in that, The limiting structure (3) includes a top plate (31) and a bottom plate (32); The top plate (31) and the bottom plate (32) are connected by side plates, and a cavity (33) is formed between the top plate (31) and the bottom plate (32) for at least part of the wall of the reinforced concrete pipe (1) to be embedded. Both the top plate (31) and the bottom plate (32) are arc-shaped, and the distance between the top plate (31) and the bottom plate (32) is greater than the thickness of the reinforced concrete pipe (1).

3. The horizontal stabilizing hoisting device for prestressed reinforced concrete pipes according to claim 2, characterized in that, The top plate (31) is connected to an mounting plate (7) at its outer end, and the inner positioning structure (4) is mounted on the mounting plate (7). The inner positioning structure (4) includes a mounting base (41) mounted on the mounting plate (7), a cavity (42) disposed in the mounting base (41), and a base (43) mounted in the cavity (42). The base (43) is provided with a ball groove (44), and a universal ball (45) is provided in the ball groove (44). A rotating rod (46) is connected to the universal ball (45). An installation arc rod (47) is connected to the outer end of the rotating rod (46). A positioning arc plate (48) is installed on the side of the installation arc rod (47) facing the inside of the reinforced concrete pipe (1). A connecting rod (49) is connected to the installation arc rod (47). Several installation sleeves (410) are installed at the bottom of the positioning arc plate (48), and the installation arc rod (47) and the connecting rod (49) are connected through the installation sleeves (410). The bottom of the base plate (32) is bolted to an elastic plate (8), and the bottom of the positioning arc plate (48) is supported on the upper surface of the elastic plate (8).

4. The horizontal stabilizing hoisting device for prestressed reinforced concrete pipes according to claim 3, characterized in that, The base (43) has a plurality of elastic plates (411) arranged in a circular array. A cylindrical area is formed between the elastic plates (411) for the rotating rod (46) to pass through. The outer wall of the end of the elastic plate (411) has a first inclined surface (412). A threaded groove (413) is formed in the cavity (42), and a threaded bolt (414) is threaded in the threaded groove (413). The threaded bolt (414) is connected to a circular bolt head (415) at its end. A central hole (416) is provided at the center of the threaded bolt (414) and the circular bolt head (415) for the rotating rod (46) to pass through. A second inclined surface (417) is formed near the wall of the elastic plate (411) of the central hole (416) and is directly opposite to the first inclined surface (412). When the second inclined surface (417) moves closer to the first inclined surface (412), the elastic plate (411) is squeezed inward by the second inclined surface (417) and applies a supporting force to the rotating rod (46) to drive the rotating rod (46) to rotate.

5. The horizontal stabilizing hoisting device for prestressed reinforced concrete pipes according to claim 4, characterized in that, The mounting plate (7) is provided with a mounting compartment (418), the mounting seat (41), the base (43), and the threaded bolt (414) are all located in the mounting compartment (418), and the mounting compartment (418) is provided with a vertical wall groove (419) along the vertical direction for the rotating rod (46) to pass through and move. The top wall of the installation compartment (418) is provided with a first through hole (420) for the traction assembly (5) to pass through, and the end of the traction assembly (5) is connected to the circular bolt head (415); The installation compartment (418) has a second through hole (421) on its side wall. The outer wall of the circular bolt head (415) is connected to a first pulling rope (422) along the circumferential direction. The first pulling rope (422) passes through the second through hole (421), and the end of the first pulling rope (422) extending out of the second through hole (421) is connected to a buckle (423).

6. The horizontal stabilizing hoisting device for prestressed reinforced concrete pipes according to claim 5, characterized in that, The traction assembly (5) includes a second traction rope (51) connected to the outer wall of the circular plug (415) and a pull seat (52) connected to the end of the second traction rope (51). The end of the second pulling rope (51) is fixedly connected to the circular bolt head (415), and the connection point is off-center from its central axis. The second pulling rope (51) passes through the first through hole (420). A threaded seat (53) is connected to the pull seat (52). A threaded cylinder (54) is threaded onto the threaded seat (53). A third pulling rope (55) is connected to the threaded cylinder (54). The end of the third pulling rope (55) away from the threaded cylinder (54) extends to the lifting device seat (2).

7. The horizontal stabilizing hoisting device for prestressed reinforced concrete pipes according to claim 6, characterized in that, The one-way adjustment component (6) includes a guide cavity (61) disposed in the lifting device seat (2), a first through cylinder (62) disposed in the guide cavity (61), and a second through cylinder (63) connected to the end of the first through cylinder (62). The first tube (62) and the second tube (63) are connected to each other, and the third pulling rope (55) passes through the first tube (62) and the second tube (63) in sequence. The inner diameter of the second tube (63) is larger than the inner diameter of the first tube (62). A sliding sleeve (64) is slidably disposed inside the first through tube (62), and a sliding seat (65) is slidably disposed inside the second through tube (63). A spring (66) is disposed between the sliding seat (65) and the sliding sleeve (64). A third through hole (67) is provided on both the sliding sleeve (64) and the sliding seat (65) for the third pulling rope (55) to pass through. The outer wall of the end of the sliding sleeve (64) forms a conical outer wall (68), and the inner wall of the first through-tube (62) forms a conical inner wall (69) opposite to the conical outer wall (68). The inner wall of the sliding sleeve (64) is provided with a groove (610), and the groove (610) has openings on both the inner and outer sides. A damping steel ball (611) is embedded in the groove (610), and at least part of the outer wall of the damping steel ball (611) is in contact with the outer wall of the third pulling rope (55).

8. The horizontal stabilizing hoisting device for prestressed reinforced concrete pipes according to claim 7, characterized in that, A control rod (612) is connected to the sliding seat (65). The control rod (612) passes through the second through-tube (63), and a movable plate (613) is connected to its end away from the sliding seat (65). A guide plate (614) is provided in the guide cavity (61), and the movable plate (613) is movably disposed between the guide plates (614). The bottom of the lifting device base (2) is provided with a bottom hole (615), an installation shaft is installed in the bottom hole (615), and an adjusting bolt (616) is installed by rotating the installation shaft. A U-shaped groove (617) is formed on the top of the adjusting bolt (616), and the movable plate (613) is placed in the U-shaped groove (617). The bottom of the adjusting bolt (616) extends out of the lifting seat (2).

9. The horizontal stabilizing hoisting device for prestressed reinforced concrete pipes according to claim 8, characterized in that, The inner wall of the guide cavity (61) is provided with a guide seat (618), and the inside of the guide cavity (61) is provided with a guide groove seat (619). The third pulling rope (55) passes through the guide seat (618) and the guide groove seat (619) in sequence, and exits outside the lifting device seat (2).

10. The horizontal stabilizing hoisting device for prestressed reinforced concrete pipes according to claim 1, characterized in that, The top surfaces on both sides of the lifting device base (2) are provided with lifting plates (9), and the lifting plates (9) are provided with lifting holes (10), and the lifting hooks are inserted into the lifting holes (10).

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