Steel strand prestress double-embossed anchorage device

Abstract

The utility model discloses a steel strand prestress double-embossed anchorage device, and relates to the technical field of anchorage devices, the steel strand prestress double-embossed anchorage device comprises a U-shaped seat, a clamping assembly installed on the U-shaped seat and a pressing assembly slidably installed on the U-shaped seat, and a plurality of scale marks distributed at equal intervals are formed in the two sides of the outer wall of one side of the U-shaped seat; and the outer wall of one side of the U-shaped seat is fixedly connected with a hydraulic cylinder for driving the pressing assembly. According to the embossing device, the scale marks are arranged on the U-shaped seat, so that the moving stroke of the pressing seat can be conveniently measured, the same moving stroke of the pressing seat in each time in the embossing process is guaranteed, and the problem of different sizes in the embossing process is effectively avoided.

Description

Technical Field

[0001] This application relates to the field of anchorage technology, and in particular to a prestressed double-embossed anchorage for steel strands. Background Technology

[0002] The embossed head of a prestressed anchor cable is manufactured by hydraulically pushing one end of the anchor cable through a bridge cable threading machine using jacks. Common parameters for the embossed head include embossing length, embossing diameter, and embossing undulation angle. The jacks laterally compress the anchored steel strands; different compression depths result in different embossed head specifications.

[0003] In practical applications, due to the lack of intuitive measurement methods, operators cannot accurately control the progress of the jacks, resulting in inconsistent sizes of the embossing heads. At the same time, the existing anchors also affect the size of the embossing heads because the clamps do not clamp the steel strands tightly during the embossing process. Utility Model Content

[0004] To address the issue of inconsistent embossing head sizes that often occur during the embossing process in existing anchorages, this application provides a prestressed double-embossed anchorage for steel strands.

[0005] This application provides a prestressed double embossed anchor for steel strand, including a U-shaped seat, a clamping assembly mounted on the U-shaped seat, and a pressing assembly slidably mounted on the U-shaped seat. Multiple equally spaced scale lines are provided on both sides of one outer wall of the U-shaped seat, and a hydraulic cylinder for driving the pressing assembly is fixedly connected to one outer wall of the U-shaped seat.

[0006] By adopting the above structure, the clamping component in the U-shaped seat can be used to press the steel strand. When the hydraulic cylinder is started, it directly drives the clamping component to emboss the steel strand. The scale lines on the U-shaped seat can be used to measure the displacement of the clamping component.

[0007] The clamping assembly includes a connecting seat fixedly connected to the U-shaped seat, and a mounting seat fixedly connected to one outer wall of the connecting seat, wherein an arc-shaped groove is formed on one outer wall of the mounting seat.

[0008] By adopting the above structure, the mounting base is conveniently installed through the setting of the connecting seat, and the arc groove on the mounting base facilitates the passage of the steel strand.

[0009] A rectangular opening is provided on one side of the outer wall of the connector, and two symmetrically arranged arc-shaped seats are slidably connected to the inner wall of the rectangular opening.

[0010] By adopting the above structure, the rectangular opening facilitates the sliding installation of the two arc-shaped seats, and the movement of the two arc-shaped seats towards each other facilitates the clamping and fixing of the steel strand.

[0011] The inner walls on both sides of the rectangular opening are provided with threaded openings, and screws are screwed into the inner walls of both threaded openings.

[0012] By adopting the above structure, the threaded opening facilitates the installation of the screw.

[0013] One end of each of the two screws is rotatably connected to two arc-shaped seats, and the other end of each of the two screws is fixedly connected to a handwheel.

[0014] By adopting the above structure, the screw can be easily driven to rotate directly through the handwheel. When the screw rotates, the position of the arc-shaped seat can be easily adjusted, thereby facilitating the clamping and fixing of the steel strand.

[0015] The clamping assembly includes a clamping seat that is slidably connected to the inner wall of the U-shaped seat. The clamping seat is fixedly connected to the piston rod of the hydraulic cylinder. A circular groove is provided on one outer wall of the clamping seat. Two symmetrically arranged rotating parts are rotatably connected to one outer wall of the clamping seat.

[0016] By adopting the above structure, the steel strand can be easily fixed by the circular groove on the clamping seat, and the hydraulic cylinder can easily drive the clamping seat to move.

[0017] The clamping seat has two symmetrically arranged mounting cavities inside, and the inner walls of the two mounting cavities are provided with driving components. The outer walls of the two mounting cavities on opposite sides are provided with openings that communicate with the circular grooves, and the inner walls of the two openings are slidably connected with sliding seats. The outer walls of the two sliding seats on opposite sides are provided with arc-shaped grooves.

[0018] By adopting the above structure, the sliding seat can be easily driven to press and fix the steel strand by the drive component in the mounting cavity.

[0019] The drive assembly includes a bidirectional screw rotatably connected to the inner walls of both sides of the mounting cavity, and two symmetrically arranged threaded sleeves are screwed onto the outer wall of the bidirectional screw. A connecting plate is rotatably connected to the outer wall of each of the two threaded sleeves, and the same drive seat is rotatably connected to one end of each connecting plate. The drive seat is fixedly connected to a sliding seat. A worm gear is fixedly connected to the midpoint of the bidirectional screw. Worms are rotatably connected to the inner walls of both sides of the mounting cavity, and the worms and worm gears mesh with each other. One end of the worm drive shaft is fixedly connected to the rotating part.

[0020] By adopting the above structure, the rotating part drives the worm to rotate, and the worm directly drives the worm wheel to rotate. The worm wheel directly drives the bidirectional screw to rotate, and the bidirectional screw directly drives the threaded sleeves to move towards or away from each other. When the two threaded sleeves move towards each other, the connecting plate directly drives the drive seat to move the sliding seat, thereby facilitating the clamping and fixing of the steel strand.

[0021] In summary, the beneficial effects of this application are as follows:

[0022] 1. This application sets scale lines on the U-shaped seat to facilitate the measurement of the travel of the pressing seat, thereby ensuring that the pressing seat moves the same distance each time during the embossing process, effectively avoiding the problem of inconsistent dimensions during the embossing process.

[0023] 2. This application uses an arc-shaped seat in the clamping assembly to easily clamp one end of the steel strand, and the two sliding seats in the clamping seat to easily clamp and fix the other end of the steel strand, thereby ensuring the stable clamping of the steel strand and preventing the steel strand from detaching from the anchor during the embossing process. Attached Figure Description

[0024] Figure 1 This is an overall schematic diagram of this application;

[0025] Figure 2 This is a schematic diagram of the clamping assembly of this application;

[0026] Figure 3 This is a schematic diagram of the clamping component of this application;

[0027] Figure 4 This is a cross-sectional schematic diagram of the clamping seat in this application.

[0028] Explanation of reference numerals in the attached drawings: 1. U-shaped seat; 2. Scale line; 3. Clamping assembly; 4. Hydraulic cylinder; 5. Pressing assembly; 6. Mounting seat; 7. Arc groove; 8. Connecting seat; 9. Rectangular opening; 10. Arc seat; 11. Screw; 12. Handwheel; 13. Pressing seat; 14. Rotating part; 15. Circular groove; 16. Sliding seat; 17. Mounting cavity; 18. Drive assembly; 19. Drive seat; 20. Double-acting screw; 21. Threaded sleeve; 22. Connecting plate; 23. Worm gear; 24. Worm. Detailed Implementation

[0029] The following is in conjunction with the appendix Figure 1-4 This application will be described in further detail.

[0030] Please see Figure 1-3 A prestressed double-embossed anchor for steel strand includes a U-shaped seat 1, a clamping assembly 3 mounted on the U-shaped seat 1, and a pressing assembly 5 slidably mounted on the U-shaped seat 1. The clamping assembly 3 on the U-shaped seat 1 facilitates pressing one end of the steel strand, and the pressing assembly 5 facilitates embossing the steel strand when it moves. Multiple equally spaced scale lines 2 are provided on both sides of one outer wall of the U-shaped seat 1. The scale lines 2 facilitate the measurement of the position of the pressing assembly 5. A hydraulic cylinder 4 for driving the pressing assembly 5 is fixedly connected to one outer wall of the U-shaped seat 1. The hydraulic cylinder 4 facilitates the direct driving of the pressing assembly 5.

[0031] In use, the clamping component 3 is set in the U-shaped seat 1 to facilitate the clamping of the steel strand. When the hydraulic cylinder 4 is started, it directly drives the clamping component 5 to emboss the steel strand. The scale line 2 on the U-shaped seat 1 facilitates the measurement of the displacement of the clamping component 5.

[0032] Reference Figure 1-2 The clamping assembly 3 includes a connecting seat 8 fixedly connected to the U-shaped seat 1, and a mounting seat 6 fixedly connected to one outer wall of the connecting seat 8. The connecting seat 8 facilitates the installation of the mounting seat 6. An arc-shaped groove 7 is provided on one outer wall of the mounting seat 6. The arc-shaped groove 7 on the mounting seat 6 facilitates the installation of the steel strand. The connecting seat 8 facilitates the installation of the mounting seat 6, and the arc-shaped groove 7 on the mounting seat 6 facilitates the passage of the steel strand.

[0033] Reference Figure 2 A rectangular opening 9 is provided on one side of the outer wall of the connecting seat 8, and two symmetrically arranged arc-shaped seats 10 are slidably connected to the inner wall of the rectangular opening 9. The arc-shaped seats 10 are designed to facilitate the compression of the steel strand, and the rectangular opening 9 facilitates the sliding installation of the two arc-shaped seats 10. The two arc-shaped seats 10 can move towards each other to facilitate the compression and fixation of the steel strand.

[0034] Reference Figure 2 The inner walls of both sides of the rectangular opening 9 are provided with threaded openings, and screws 11 are screwed into the inner walls of both threaded openings. The threaded openings facilitate the installation of the screws 11. One end of each screw 11 is rotatably connected to two arc-shaped seats 10, and the other end of each screw 11 is fixedly connected to a handwheel 12. The handwheel 12 can directly drive the screw 11 to rotate. When the screw 11 rotates, the position of the arc-shaped seats 10 can be adjusted, thereby facilitating the tightening and fixing of the steel strand.

[0035] Reference Figure 3 and Figure 4 The clamping assembly 5 includes a clamping seat 13 that is slidably connected to the inner wall of the U-shaped seat 1. The clamping seat 13 is fixedly connected to the piston rod of the hydraulic cylinder 4. A circular groove 15 is provided on one outer wall of the clamping seat 13. Two symmetrically arranged rotating parts 14 are rotatably connected to one outer wall of the clamping seat 13. The circular groove 15 on the clamping seat 13 facilitates the fixing of the steel strand. The hydraulic cylinder 4 facilitates the driving of the clamping seat 13 to move.

[0036] Reference Figure 4The clamping seat 13 has two symmetrically arranged mounting cavities 17 inside, and each mounting cavity 17 has a drive assembly 18 on its inner wall. Each mounting cavity 17 has an opening on its opposite outer wall that communicates with a circular groove 15, and each opening has a sliding seat 16 slidably connected to its inner wall. Each sliding seat 16 has an arc-shaped groove on its opposite outer wall. The drive assembly 18 in the mounting cavity 17 facilitates the drive of the sliding seat 16 to clamp and fix the steel strand. The drive assembly 18 includes a bidirectional screw 20 rotatably connected to the inner walls of both sides of the mounting cavity 17, and two symmetrically arranged threaded sleeves 21 are screwed to the outer wall of the bidirectional screw 20. Each threaded sleeve 21 has a connecting plate 22 rotatably connected to its outer wall. One end of the screw 20 is rotatably connected to the same drive seat 19, which is fixedly connected to the sliding seat 16. A worm wheel 23 is fixedly connected at the midpoint of the double-acting screw 20. Worms 24 are rotatably connected to the inner walls of both sides of the mounting cavity 17, and the worm 24 and the worm wheel 23 mesh with each other. One end of the drive shaft of the worm 24 is fixedly connected to the rotating part 14, which drives the worm 24 to rotate. When the worm 24 rotates, it directly drives the worm wheel 23 to rotate. The worm wheel 23 directly drives the double-acting screw 20 to rotate. When the double-acting screw 20 rotates, it directly drives the threaded sleeves 21 to move towards or away from each other. When the two threaded sleeves 21 move towards each other, the drive seat 19 is directly driven to move the sliding seat 16 through the connecting plate 22, which facilitates the clamping and fixing of the steel strand.

[0037] The implementation principle of this application is as follows: When in use, the steel strand to be embossed is inserted into the circular groove 15 through the arc groove 7, and then the two rotating parts 14 are rotated. When the rotating parts 14 rotate, they directly drive the worm gear 24 to drive the worm wheel 23 to rotate. When the worm wheel 23 rotates, it directly drives the double screw 20 to rotate. When the double screw 20 rotates, the two threaded sleeves 21 move towards or away from each other. When the two threaded sleeves 21 move towards each other, they directly push the drive seat 19 through the connecting plate 22 to drive the sliding seat 16 to clamp the steel strand. Finally, the two handwheels 12 are rotated to drive the screw 11 to rotate. When the screw 11 rotates, it drives the arc seat 10 to press the steel strand into the rectangular opening 9. Finally, the hydraulic cylinder 4 is started to directly drive the pressing seat 13 to squeeze the steel strand. The movement trajectory of the pressing seat 13 is detected by the scale line 2.

[0038] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A prestressed double-embossed anchor for steel strand, comprising a U-shaped seat (1), a clamping assembly (3) mounted on the U-shaped seat (1), and a pressing assembly (5) slidably mounted on the U-shaped seat (1), characterized in that: The outer wall of the U-shaped seat (1) has multiple equally spaced scale lines (2) on both sides. The outer wall of the U-shaped seat (1) is fixedly connected to a hydraulic cylinder (4) that drives the clamping assembly (5).

2. The prestressed double-embossed anchorage for steel strands according to claim 1, characterized in that: The clamping assembly (3) includes a connecting seat (8) fixedly connected to the U-shaped seat (1), and a mounting seat (6) fixedly connected to one side of the outer wall of the connecting seat (8), and an arc groove (7) is provided on one side of the outer wall of the mounting seat (6).

3. The prestressed double-embossed anchorage for steel strands according to claim 1, characterized in that: A rectangular opening (9) is provided on one side of the outer wall of the connecting seat (8), and two symmetrically arranged arc-shaped seats (10) are slidably connected to the inner wall of the rectangular opening (9).

4. The prestressed double-embossed anchorage for steel strands according to claim 3, characterized in that: The inner walls on both sides of the rectangular opening (9) are provided with threaded openings, and the inner walls of the two threaded openings are screwed with screws (11).

5. A prestressed double-embossed anchor for steel strands according to claim 4, characterized in that: One end of each of the two screws (11) is rotatably connected to two arc-shaped seats (10), and the other end of each of the two screws (11) is fixedly connected to a handwheel (12).

6. A prestressed double-embossed anchor for steel strands according to claim 5, characterized in that: The clamping assembly (5) includes a clamping seat (13) that is slidably connected to the inner wall of the U-shaped seat (1). The clamping seat (13) is fixedly connected to the piston rod of the hydraulic cylinder (4). A circular groove (15) is provided on one side of the outer wall of the clamping seat (13). Two symmetrically arranged rotating parts (14) are rotatably connected to one side of the outer wall of the clamping seat (13).

7. A prestressed double-embossed anchor for steel strands according to claim 6, characterized in that: The clamping seat (13) has two symmetrically arranged mounting cavities (17) inside, and the inner walls of the two mounting cavities (17) are provided with driving components (18). The outer walls of the two mounting cavities (17) on opposite sides are provided with openings that communicate with the circular groove (15), and the inner walls of the two openings are slidably connected with sliding seats (16). The outer walls of the two sliding seats (16) on opposite sides are provided with arc-shaped grooves.

8. A prestressed double-embossed anchor for steel strands according to claim 7, characterized in that: The drive assembly (18) includes a bidirectional screw (20) rotatably connected to the inner walls of both sides of the mounting cavity (17), and two symmetrically arranged threaded sleeves (21) are screwed onto the outer wall of the bidirectional screw (20). The outer walls of the two threaded sleeves (21) are rotatably connected to connecting plates (22), and one end of the two connecting plates (22) is rotatably connected to the same drive seat (19). The drive seat (19) is fixedly connected to the sliding seat (16). A worm wheel (23) is fixedly connected at the midpoint of the bidirectional screw (20). A worm (24) is rotatably connected to the inner walls of both sides of the mounting cavity (17), and the worm (24) and the worm wheel (23) mesh with each other. One end of the drive shaft of the worm (24) is fixedly connected to the rotating part (14).

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