Variable-stroke tensioning groove limiting plate
By designing a variable-stroke tensioning groove limit plate and utilizing adjustment components and fixing components, the problem of tensioning prestress loss caused by clip locking is solved, the steel strand is firmly fixed, and the accuracy of tensioning operation and the stability of the structure are improved.
Patent Information
- Application Number
- CN202422641008.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-31
- Publication Date
- 2025-10-10
- Estimated Expiration
- 2034-10-31
AI Technical Summary
In the prior art, the clamps are locked during the tensioning process, resulting in insufficient clamping force for the steel strands and causing loss of prestressing force.
A variable stroke tensioning groove limit plate is designed. By adjusting the combination of components and fixing components, it is ensured that the clamp has sufficient space for movement, and the steel strand is fixed by the limiting component and the fixing component to prevent the clamp from locking.
It effectively avoids the problems of loose and broken steel strands, ensures the integrity of the prestressing, and improves the accuracy of the tensioning operation and the stability of the structure.
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Figure CN223423643U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of tensioning grooves, in particular to a variable-stroke tensioning groove limiting plate. Background Art
[0002] During the prestressing process, the limit plate controls the retraction of the steel strands through its designed groove depth, thereby ensuring the accuracy and efficiency of the tensioning operation. The implementation of this mechanism helps to improve the stability and durability of the engineering structure, because by reducing the retraction of the anchor, the expected deformation of the prestressed tensioning member can be better maintained, thereby enhancing the overall bearing capacity and bending resistance of the structure.
[0003] However, in the existing technology, during the tensioning process, the clamp is locked during operation, resulting in insufficient clamping force of the clamp on the steel strand, insufficient clamping of the steel strand, partial damage to the tensioning prestress, and affecting the tensioning result. In order to solve the above problems, we propose a variable stroke tensioning groove limit plate. Utility Model Content
[0004] 4. The repairing kit for automotive dents, according to claim 1, wherein a bottom of the foot stand comprises a through-hole, and the two foot pieces comprise two bosses, wherein the bosses comprise a through-hole, a screw bolt, and a nut. The through-hole comprises a first end, and a second end, and a second end, and a second end of a screw bolt. The bosses comprise a through-hole, a second end, and a second end of a screw bolt. The bosses comprise a through-hole, a second end, and a second end of a screw bolt.
[0005] Preferably, the fixing assembly includes a fixing column, the outer side of the fixing column is slidingly connected to the inner side of the limiting plate body, the bottom of the inner cavity of the fixing column is fixedly connected to a rebound spring, the side of the rebound spring away from the fixing column is fixedly connected to a sliding column, the outer side of the sliding column is slidingly connected to the inner side of the fixing column, a circular hole is opened in the wall of the sliding column, and the side of the sliding column close to the fixed column is fixedly connected to the limiting assembly. By setting the fixing assembly, the steel strand is fixed and the position of the steel strand is limited, thereby avoiding the steel strand from being clamped due to the locking of the clip, thereby avoiding the loss of tension prestress.
[0006] Preferably, the limiting assembly includes an elastic plate, the top of the elastic plate is fixedly connected to the side of the sliding column close to the fixed column, the outer side of the elastic plate is fixedly connected to a sliding block, the outer side of the sliding block is slidably connected to a cone, and the outer side of the cone is fixedly connected to the inner side of the fixed column. By setting the limiting assembly, the clip can clamp the steel strand during tensioning to prevent the steel strand from loosening and causing loss of tensioning prestress.
[0007] Preferably, the adjustment component includes a connecting block, the outer side of the connecting block is fixedly connected to the outer side of the fixed column, the side of the connecting block away from the fixed column is slidably connected to the inner side of the slide groove, the bottom of the connecting block is fixedly connected with a compression spring, and the side of the compression spring away from the connecting block is fixedly connected to the top of the step. By setting the adjustment component, the position of the fixing component is adjusted so that the clip has a larger movable space.
[0008] The beneficial effects of the utility model are as follows:
[0009] 1. The utility model sets an adjustment component so that the position of the fixed component can be adjusted during tensioning, so that the clip has a larger activity space and avoids the problem of wire breakage caused by a small activity gap.
[0010] 2. The utility model fixes the steel strand by setting a fixing component, and fixes the steel strand firmly, so as to avoid the steel strand being unable to be clamped due to the locking of the clip, thereby avoiding the loss of tension prestress. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is the main view of the utility model;
[0012] Figure 2 It is a cross-sectional view of the utility model;
[0013] Figure 3 This is a structural sectional view of the limiting plate body of the utility model;
[0014] Figure 4 It is a structural cross-sectional view of the fixing assembly of the utility model;
[0015] Figure 5 This is a structural sectional view of the limit assembly of the utility model;
[0016] Figure 6 It is a structural sectional view of the adjustment component of the utility model.
[0017] In the figure: 1. Limiting plate body; 11. Slot; 12. Slide; 2. Step; 3. Fixing assembly; 31. Fixing column; 32. Sliding column; 33. Rebound spring; 34. Round hole; 35. Limiting assembly; 351. Elastic plate; 352. Sliding block; 353. Cone; 4. Adjusting assembly; 41. Connecting block; 42. Compression spring; 5. Rotating column. DETAILED DESCRIPTION
[0018] The present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for purposes of illustration and description and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention and to enable those skilled in the art to understand the present invention and design various embodiments with various modifications suitable for specific applications.
[0019] Example:
[0020] See also Figures 1-6 The utility model provides a technical solution: a variable stroke tensioning groove limit plate, comprising a limit plate body 1, a slotted hole 11 is opened at the bottom of the limit plate body 1, and a slide groove 12 is opened in the wall of the limit plate body 1; a step 2, the outer side of the step 2 is fixedly connected to the inner side of the limit plate body 1; a fixing component 3, the outer side of the fixing component 3 is slidably connected to the inner side of the limit plate body 1; an adjustment component 4, the outer side of the adjustment component 4 is slidably connected to the inner side of the limit plate body 1, the outer side of the adjustment component 4 is fixedly connected to the outer side of the fixing component 3, and the adjustment component 4 is used to adjust the position of the fixing component 3; a rotating column 5, the outer side of the rotating column 5 is threadedly connected to the inner side of the limit plate body 1 When in use, according to needs, rotate the rotating column 5, the rotating column 5 drives the adjusting component 4 to move, and the adjusting component 4 drives the fixing component 3 to move, and adjusts the distance between the fixing component 3 and the step 2. The limit plate body 1 is placed on the jack, and the steel strand is passed through the slide groove 12 and the fixing component 3 on the limit plate body 1. By setting the adjusting component 4, the position of the fixing component 3 can be adjusted during tensioning, so that the clamp has a larger space for movement, avoiding the problem of wire breakage caused by a small active gap, and fixing the steel strand by setting the fixing component 3. The steel strand is fixed and fixed firmly to avoid the steel strand being unable to be clamped due to the locking of the clamp, thereby avoiding the loss of tensioning prestress.
[0021] The fixed assembly 3 comprises a fixed column 31, the outer side of the fixed column 31 is in sliding connection with the inner side of the limiting plate body 1, the bottom of the inner cavity of the fixed column 31 is fixedly connected with a rebound spring 33, the side, away from the fixed column 31, of the rebound spring 33 is fixedly connected with a sliding column 32, the outer side of the sliding column 32 is in sliding connection with the inner side of the fixed column 31, a circular hole 34 is formed in the wall of the sliding column 32, the side, close to the fixed column 31, of the sliding column 32 is fixedly connected with a limiting assembly 35, in use, the steel strand is passed through the circular hole 34 and the slot hole 11, in tension, the steel strand drives the sliding column 32 to be close to the fixed column 31, the sliding column 32 drives the rebound spring 33 to be compressed, the sliding column 32 exerts pressure on the limiting assembly 35, the limiting assembly 35 clamps the steel strand, the steel strand is fixed by arranging the fixed assembly 3, the position of the steel strand is limited, the steel strand cannot be clamped due to the locking of the clamping piece is avoided, and the loss of tensioning prestress is avoided.
[0022] The limiting assembly 35 comprises an elastic plate 351, the top of the elastic plate 351 is fixedly connected with the side, close to the fixed column 31, of the sliding column 32, the outer side of the elastic plate 351 is fixedly connected with a sliding block 352, the outer side of the sliding block 352 is in sliding connection with a cone 353, the outer side of the cone 353 is fixedly connected with the inner side of the fixed column 31, in tension, the sliding column 32 exerts pressure on the limiting assembly 35, the sliding column 32 drives the elastic plate 351 and the sliding block 352 to move towards the cone 353, since the radius of the cone 353 gradually decreases, the cone 353 drives the sliding block 352 to move to the center, the sliding block 352 drives the elastic plate 351 to compress the steel strand, so that the clamping piece clamps the steel strand, by arranging the limiting assembly 35, the clamping piece can clamp the steel strand in tension, the steel strand is prevented from loosening, and the loss of tensioning prestress is avoided.
[0023] The adjusting assembly 4 comprises a connecting block 41, the outer side of the connecting block 41 is fixedly connected with the outer side of the fixed column 31, the side, away from the fixed column 31, of the connecting block 41 is in sliding connection with the inner side of the sliding groove 12, the bottom of the connecting block 41 is fixedly connected with a compression spring 42, the side, away from the connecting block 41, of the compression spring 42 is fixedly connected with the top of the step 2, in use, the rotating column 5 is rotated, the bottom of the rotating column 5 is in contact with the connecting block 41 in the adjusting assembly 4, the rotating column 5 drives the connecting block 41 to move to the step 2, the connecting block 41 drives the compression spring 42 to be compressed, the connecting block 41 drives the fixed assembly 3 to move, by arranging the adjusting assembly 4, the position of the fixed assembly 3 is adjusted, so that the clamping piece has a larger activity space.
[0024] Working principle:
[0025] When in use, the rotating column 5 is rotated, and the bottom of the rotating column 5 contacts the connecting block 41 in the adjustment component 4. The rotating column 5 drives the connecting block 41 to move along the slide groove 12, and the connecting block 41 drives the compression spring 42 to be compressed, and the connecting block 41 drives the fixing component 3 to move, and the distance between the fixing component 3 and the step 2 is adjusted. The limit plate body 1 is placed on the jack, and the steel strand is passed through the circular hole 34 and the slot hole 11;
[0026] When in use, the steel strand is passed through the circular hole 34 and the slotted hole 11. During tensioning, the steel strand drives the sliding column 32 to approach the fixed column 31, and the sliding column 32 drives the rebound spring 33 to be compressed. The sliding column 32 applies pressure to the limiting component 35, and the sliding column 32 drives the elastic plate 351 and the sliding block 352 to move toward the cone 353. As the radius of the cone 353 gradually decreases, the cone 353 drives the sliding block 352 to move toward the center, and the sliding block 352 drives the elastic plate 351 to press the steel strand, so that the clip clamps the steel strand. By setting the limiting component 35, the clip can clamp the steel strand during tensioning to prevent the steel strand from loosening and causing loss of tensioning prestress.
[0027] Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without making any creative efforts should fall within the scope of protection of the present invention. Structures, devices, and operating methods not specifically described and explained in this utility model shall be implemented in accordance with conventional means in the field unless otherwise specified or limited.
Claims
1. A variable stroke tensioning groove limit plate, characterized in that: include: A limit plate body (1), wherein a slot hole (11) is provided at the bottom of the limit plate body (1), and a sliding groove (12) is provided in the wall of the limit plate body (1); A step (2), the outer side of the step (2) being fixedly connected to the inner side of the limiting plate body (1); A fixing assembly (3), wherein the outer side of the fixing assembly (3) is slidably connected to the inner side of the limiting plate body (1); An adjustment component (4), wherein the outer side of the adjustment component (4) is slidably connected to the inner side of the limit plate body (1), and the outer side of the adjustment component (4) is fixedly connected to the outer side of the fixed component (3), and the adjustment component (4) is used to adjust the position of the fixed component (3); A rotating column (5), the outer side of the rotating column (5) is threadedly connected to the inner side of the limiting plate body (1).
2. The variable stroke tensioning groove limit plate according to claim 1, characterized in that: The fixing assembly (3) includes a fixing column (31), the outer side of the fixing column (31) is slidably connected to the inner side of the limit plate body (1), the bottom of the inner cavity of the fixing column (31) is fixedly connected to a rebound spring (33), the side of the rebound spring (33) away from the fixing column (31) is fixedly connected to a sliding column (32), and the outer side of the sliding column (32) is slidably connected to the inner side of the fixing column (31).
3. The variable stroke tensioning groove limit plate according to claim 2, characterized in that: A circular hole (34) is provided in the wall of the sliding column (32), and a side of the sliding column (32) close to the fixed column (31) is fixedly connected to a limiting assembly (35).
4. The variable stroke tensioning groove limit plate according to claim 3, characterized in that: The limiting assembly (35) includes an elastic plate (351), the top of the elastic plate (351) is fixedly connected to the side of the sliding column (32) close to the fixed column (31), the outer side of the elastic plate (351) is fixedly connected to the sliding block (352), the outer side of the sliding block (352) is slidably connected to the cone (353), and the outer side of the cone (353) is fixedly connected to the inner side of the fixed column (31).
5. The variable stroke tensioning groove limit plate according to claim 2, characterized in that: The adjustment assembly (4) includes a connecting block (41), the outer side of the connecting block (41) is fixedly connected to the outer side of the fixed column (31), the side of the connecting block (41) away from the fixed column (31) is slidably connected to the inner side of the sliding groove (12), the bottom of the connecting block (41) is fixedly connected to a compression spring (42), and the side of the compression spring (42) away from the connecting block (41) is fixedly connected to the top of the step (2).