Prestressed pipe pile tensioning mechanism

Abstract

The utility model discloses a prestressed pipe pile tensioning mechanism which comprises a tensioning jack, lifting rings are fixedly installed at the left end and the right end of the outer surface of the upper end of the tensioning jack, and buffering assemblies are fixedly installed at the rear ends of the outer surfaces of the two sides of the tensioning jack. The buffering assembly comprises a fixing plate, a connecting plate, a connecting block, a fixing column, a movable rod, a collided plate, a first mounting block, a rotating ring, a limiting groove, an inserting block, a mounting cavity, a screw rod, a threaded hole, a sliding hole, a limiting block, a compression spring, a damper and a second mounting block, and the fixing plate is welded to the rear end of the outer surface of one side of the tensioning jack; the limiting groove is formed in the middle of the outer surface of one side of the fixing plate. According to the prestressed pipe pile tensioning mechanism, the buffering assembly is arranged, the buffering effect can be achieved conveniently when the tensioning jack is installed, the rotating ring is rotated to drive the collided plate to be close to the fixing column, and the tensioning jack can continue to be installed conveniently after buffering.

Description

Technical Field

[0001] The utility model relates to the technical field of prestressed pipe pile tensioning equipment, in particular to a prestressed pipe pile tensioning mechanism. Background Art

[0002] Tensioning jacks are core equipment in prestressing, primarily used to tension prestressed tendons (such as steel strands and high-strength steel wire bundles) to provide the required prestressing force. This enhances the pile's load-bearing capacity and crack resistance.

[0003] In the prior art, when installing the tensioning jack, one end of the tensioning jack is prone to collide with the concrete structure, and the tensioning jack itself lacks a protective structure, which not only causes great damage to the concrete structure, but also causes great damage to the tensioning jack itself, reducing the service life of the tensioning jack.

[0004] To this end, we propose a prestressed pipe pile tensioning mechanism. Utility Model Content

[0005] (1) Technical problems solved

[0006] In view of the deficiencies in the prior art, the present invention provides a prestressed pipe pile tensioning mechanism having a buffer structure, improved protection, and easy operation, which can effectively solve the problems in the background technology.

[0007] (2) Technical solution

[0008] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is: a prestressed pipe pile tensioning mechanism, including a tensioning jack, the left and right ends of the outer surface of the upper end of the tensioning jack are fixedly installed with lifting rings, and the rear ends of the outer surfaces of both sides of the tensioning jack are fixedly installed with buffer components, and the buffer components include a fixed plate, a connecting plate, a connecting block, a fixed column, a movable rod, a collision plate, a first mounting block, a rotating ring, a limiting groove, an insert block, an installation cavity, a screw, a threaded hole, a sliding hole, a limiting block, a compression spring, a damper and a second mounting block, and the fixed plate is welded to the rear end of the outer surface of one side of the tensioning jack, the limiting groove is opened in the middle of the outer surface of one side of the fixed plate, the insert block is fixedly installed in the middle of the outer surface of one side of the connecting plate, the connecting block is fixedly installed on the outer surface of the other side of the connecting plate, and the fixed column is fixedly installed on the outer surface of one end of the connecting block.

[0009] Preferably, fixing bolts are provided between the connecting plate and the fixing plate, the connecting plate is connected to the fixing plate via the fixing bolts, and the outer wall of the insert block is plugged into the limiting groove.

[0010] Preferably, the threaded hole is arranged in the middle of the outer surface of one end of the fixed column, the sliding hole is arranged in the middle of the outer surface of the other end of the fixed column, the mounting cavity is arranged in the interior of the fixed column, the threaded hole and the sliding hole are communicated with the mounting cavity, the limiting block, the compression spring, the damper and the second mounting block are located in the mounting cavity, the screw rod penetrates through the threaded hole, and the movable rod penetrates through the sliding hole.

[0011] Preferably, the first mounting block is fixedly installed on the outer surface of one end of the screw rod, the rotating ring is fixedly installed on the outer surface of one side of the first mounting block, the outer wall of the screw rod is in threaded connection with the threaded hole, the bearing is arranged between the screw rod and the second mounting block, and the outer surface of the other end of the screw rod is rotationally connected with the second mounting block through the bearing.

[0012] Preferably, the damper and the compression spring are fixedly installed between the outer surface of one side of the second mounting block and the outer surface of one side of the limiting block, and the compression spring is movably sleeved on the outer wall of the damper.

[0013] Preferably, the movable rod is fixedly installed between the outer surface of the other side of the limiting block and the outer surface of one side of the impact plate, and the outer wall of the movable rod is in sliding connection with the sliding hole.

[0014] (Three) beneficial effects

[0015] Compared with the prior art, the prestressed pipe pile tensioning mechanism has the following beneficial effects:

[0016] 1. The prestressed pipe pile tensioning mechanism, through the buffering assembly, facilitates buffering when the tensioning jack is installed.

[0017] 2. The prestressed pipe pile tensioning mechanism, rotating the rotating ring drives the impact plate to approach the fixed column, facilitating the installation of the tensioning jack after buffering. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure schematic view of the prestressed pipe pile tensioning mechanism.

[0019] Figure 2 It is a structure schematic view of the buffering assembly in the prestressed pipe pile tensioning mechanism.

[0020] Figure 3 It is a structure schematic view of the fixed plate and the connecting plate in the prestressed pipe pile tensioning mechanism.

[0021] Figure 4 It is a partial side view sectional view of the buffering assembly in the prestressed pipe pile tensioning mechanism.

[0022] In the figure: 1. Tensioning jack; 2. Lifting ring; 3. Buffer assembly; 4. Fixed plate; 5. Connecting plate; 6. Connecting block; 7. Fixed column; 8. Movable rod; 9. Impact plate; 10. First mounting block; 11. Rotating ring; 12. Limiting groove; 13. Insert block; 14. Mounting cavity; 15. Screw; 16. Threaded hole; 17. Sliding hole; 18. Limiting block; 19. Compression spring; 20. Damper; 21. Second mounting block. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0024] This embodiment is a prestressed pipe pile tensioning mechanism.

[0025] like Figures 1-4 As shown, it includes a tensioning jack 1, and the left and right ends of the outer surface of the upper end of the tensioning jack 1 are fixedly installed with lifting rings 2, and the rear ends of the outer surfaces of both sides of the tensioning jack 1 are fixedly installed with buffer components 3, and the buffer components 3 include a fixed plate 4, a connecting plate 5, a connecting block 6, a fixed column 7, a movable rod 8, a collision plate 9, a first mounting block 10, a rotating ring 11, a limiting groove 12, an insert block 13, an installation cavity 14, a screw 15, a threaded hole 16, a sliding hole 17, a limiting block 18, a compression spring 19, a damper 20 and a second mounting block 21, and the fixed plate 4 is welded to the rear end of the outer surface of one side of the tensioning jack 1, the limiting groove 12 is opened in the middle of the outer surface of one side of the fixed plate 4, the insert block 13 is fixedly installed in the middle of the outer surface of one side of the connecting plate 5, the connecting block 6 is fixedly installed on the outer surface of the other side of the connecting plate 5, and the fixed column 7 is fixedly installed on the outer surface of one end of the connecting block 6.

[0026] The connecting plate 5 is connected with the fixed plate 4 through the fixing bolt, and the outer wall of the plug block 13 is inserted into the limiting groove 12; the threaded hole 16 is arranged in the middle of the outer surface of one end of the fixed column 7, the sliding hole 17 is arranged in the middle of the outer surface of the other end of the fixed column 7, the mounting cavity 14 is arranged in the inside of the fixed column 7, the threaded hole 16 and the sliding hole 17 are communicated with the mounting cavity 14, the limiting block 18, the compression spring 19, the damper 20 and the second mounting block 21 are located in the mounting cavity 14, the screw rod 15 penetrates through the threaded hole 16, and the movable rod 8 penetrates through the sliding hole 17; the first mounting block 10 is fixedly installed on the outer surface of one end of the screw rod 15, the rotating ring 11 is fixedly installed on the outer surface of one side of the first mounting block 10, the outer wall of the screw rod 15 is in threaded connection with the threaded hole 16, bearings are arranged between the screw rod 15 and the second mounting block 21, and the outer surface of the other end of the screw rod 15 away from the first mounting block 10 is rotationally connected with the second mounting block 21 through the bearings; the damper 20 and the compression spring 19 are fixedly installed between the outer surface of one side of the second mounting block 21 and the outer surface of one side of the limiting block 18, and the compression spring 19 is movably sleeved on the outer wall of the damper 20; the movable rod 8 is fixedly installed between the outer surface of the other side of the limiting block 18 and the outer surface of one side of the impact plate 9, and the outer wall of the movable rod 8 is in sliding connection with the sliding hole 17.

[0027] It should be noted that the utility model is a prestressed pipe pile tensioning mechanism, the tensioning jack 1 and the lifting ring 2 recorded in the paper all belong to the prior art, the tensioning jack 1 is used for tensioning the prestressed pipe pile reinforcement, and the tensioning jack 1 can be effectively known by the person skilled in the art, and details will not be repeated; the buffer assembly 3 is arranged, the buffer assembly 3 is installed at one end of the outer surfaces of the two sides of the tensioning jack 1, and at this time, the impact plate 9 extends to the outside of one end of the tensioning jack 1; when the tensioning jack 1 is installed, the tensioning jack 1 is lifted and transported to the position of tensioning; at this time, the impact plate 9 is in contact with the concrete structure, and due to the limiting of the buffer assembly 3, the end of the tensioning jack 1 close to the impact plate 9 cannot be in contact with the concrete structure; after the impact plate 9 is extruded, the movable rod 8 is driven to slide along the sliding hole 17; the movable rod 8 drives the limiting block 18 to extrude the compression spring 19 and the damper 20 in the inside of the fixed column 7; through the arranged compression spring 19 and damper 20, the buffering effect can be achieved, the tensioning jack 1 and the concrete structure are protected, and after the buffer unloads, the steel bar to be tensioned is passed through the tensioning jack 1; then the rotating ring 11 is rotated, the rotating ring 11 drives the screw rod 15 to rotate, the screw rod 15 moves along the threaded hole 16, the impact plate 9 is moved to the fixed column 7, then the tensioning jack 1 is pressed, the end of the tensioning jack 1 close to the impact plate 9 is in contact with the concrete structure, and then prestressed tensioning is carried out.

[0028] It is to be noted that, in this document, the terms such as first and second, etc. are used merely to distinguish one entity or action from another, and do not necessarily require or imply any such actual relationship or order between such entities or actions. Moreover, the terms "comprising", "including", or any other variant thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without more limitations, an element defined by the statement "comprising a" does not exclude the existence of additional identical elements in the process, method, article, or apparatus that includes the stated element.

[0029] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A prestressed pipe pile tensioning mechanism, comprising a tensioning jack (1), both left and right ends of the outer surface of the upper end of the tensioning jack (1) are fixedly installed with a lifting ring (2), characterized in that: The rear end of the outer surface of both sides of the tensioning jack (1) is fixedly installed with a buffer assembly (3), the buffer assembly (3) comprises a fixed plate (4), a connecting plate (5), a connecting block (6), a fixed column (7), a movable rod (8), a collision plate (9), a first mounting block (10), a rotating ring (11), a limiting groove (12), an insertion block (13), a mounting cavity (14), a screw rod (15), a threaded hole (16), a sliding hole (17), a limiting block (18), a compression spring (19), a damper (20) and a second mounting block (21), and the fixed plate (4) is welded at the rear end of the outer surface of one side of the tensioning jack (1), the limiting groove (12) is formed in the middle of the outer surface of one side of the fixed plate (4), the insertion block (13) is fixedly installed on the middle of the outer surface of one side of the connecting plate (5), the connecting block (6) is fixedly installed on the outer surface of the other side of the connecting plate (5), and the fixed column (7) is fixedly installed on the outer surface of one end of the connecting block (6).

2. The prestressed pipe pile tensioning mechanism according to claim 1, characterized in that: A fixing bolt is arranged between the connecting plate (5) and the fixed plate (4), the connecting plate (5) is connected with the fixed plate (4) through the fixing bolt, and the outer wall of the insertion block (13) is inserted into the limiting groove (12).

3. The prestressed pipe pile tensioning mechanism according to claim 2, characterized in that: The threaded hole (16) is formed in the middle of the outer surface of one end of the fixed column (7), the sliding hole (17) is formed in the middle of the outer surface of the other end of the fixed column (7), the mounting cavity (14) is formed in the interior of the fixed column (7), the threaded hole (16) and the sliding hole (17) are in communication with the mounting cavity (14), the limiting block (18), the compression spring (19), the damper (20) and the second mounting block (21) are located in the mounting cavity (14), the screw rod (15) penetrates through the threaded hole (16), and the movable rod (8) penetrates through the sliding hole (17).

4. The prestressed pipe pile tensioning mechanism according to claim 3, characterized in that: The first mounting block (10) is fixedly installed on the outer surface of one end of the screw rod (15), the rotating ring (11) is fixedly installed on the outer surface of one side of the first mounting block (10), the outer wall of the screw rod (15) is in threaded connection with the threaded hole (16), a bearing is arranged between the screw rod (15) and the second mounting block (21), and the outer surface of the end of the screw rod (15) away from the first mounting block (10) is rotationally connected with the second mounting block (21) through the bearing.

5. The prestressed pipe pile tensioning mechanism according to claim 4, characterized in that: The damper (20) and the compression spring (19) are fixedly installed between the outer surface of one side of the second mounting block (21) and the outer surface of one side of the limiting block (18), and the compression spring (19) is movably sleeved on the outer wall of the damper (20).

6. The prestressed pipe pile tensioning mechanism according to claim 5, characterized in that: The movable rod (8) is fixedly installed between the outer surface of the other side of the limiting block (18) and the outer surface of one side of the collision plate (9), and the outer wall of the movable rod (8) is in sliding connection with the sliding hole (17).

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