CN220746605U - Suspension casting box girder longitudinal prestressed rib overall rope penetrating sleeve assembly - Google Patents
Suspension casting box girder longitudinal prestressed rib overall rope penetrating sleeve assembly Download PDFInfo
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- CN220746605U CN220746605U CN202322408157.5U CN202322408157U CN220746605U CN 220746605 U CN220746605 U CN 220746605U CN 202322408157 U CN202322408157 U CN 202322408157U CN 220746605 U CN220746605 U CN 220746605U
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- anchor plate
- clamping
- box girder
- casting box
- sleeve assembly
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- 238000005266 casting Methods 0.000 title claims abstract description 27
- 230000000149 penetrating effect Effects 0.000 title claims abstract description 17
- 239000000725 suspension Substances 0.000 title claims description 11
- 210000002435 tendon Anatomy 0.000 claims abstract description 45
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 26
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 2
- 230000002787 reinforcement Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Abstract
The utility model belongs to the technical field of bridge engineering, in particular to a longitudinal prestressed tendon general rope penetrating sleeve assembly of a cantilever casting box girder, which comprises an anchor plate body, wherein the anchor plate body comprises an upper anchor plate, a middle anchor plate and a lower anchor plate, a plurality of through holes are formed in the surface of the anchor plate body, the prestressed tendon body is inserted into the through holes, a clamping assembly is arranged on the surface of the anchor plate body, and the clamping assembly comprises a plurality of clamping connectors and two bidirectional lead screws; according to the utility model, the prestressed rib body passes through the through hole, the bidirectional screw rod is rotated to enable the lower anchor plate to be close to the middle anchor plate, so that the clamping device is quickly inserted into the through hole and is obliquely propped against the prestressed rib body, and the prestressed rib body is clamped and fixed.
Description
Technical Field
The utility model relates to the technical field of bridge engineering, in particular to a longitudinal prestressed rib total rope penetrating sleeve assembly of a suspension casting box girder.
Background
The cantilever casting box girder is one of the girders in bridge engineering, the inside of the cantilever casting box girder is hollow, flanges are arranged on two sides of the upper part of the cantilever casting box girder, and the cantilever casting box girder is similar to a box and is formed by cantilever casting, so that the cantilever casting box girder is called as the cantilever casting box girder.
The longitudinal prestressed tendons of the cantilever casting box girder are used for applying prestress to the cantilever casting box girder, and the conventional rope penetrating mode of the longitudinal prestressed tendons mainly comprises a single rope penetrating mode and a total rope penetrating mode. When the overall threading is adopted, firstly, a plurality of prestressed tendons are simultaneously threaded through corrugated pipes in the cantilever casting box girder, secondly, the end parts of the plurality of prestressed tendons are threaded through working anchor plates on the cantilever casting box girder, and then a single prestressed tendon is fixed in a fixed hole on the working anchor plates through a plurality of working clamping pieces, then, an anchor backing plate is threaded through the plurality of prestressed tendons, and finally, a tensioning jack is used for tensioning the plurality of prestressed tendons.
When a plurality of working clamping pieces are used for fixing a single prestressed tendon in a fixing hole of a working anchor plate, the plurality of working clamping pieces are required to be inserted into the fixing hole of the working anchor plate one by one, and because gaps among a plurality of prestressed tendons are smaller, the fixing of the prestressed tendons is troublesome, so that the construction efficiency of the cantilever casting box girder is reduced.
The prior Chinese patent with the publication number of CN217678554U discloses a longitudinal prestressed rib overall rope penetrating sleeve assembly of a cantilever casting box girder, which comprises a round anchor plate and a plurality of clamping connectors arranged on the round anchor plate; a plurality of conical through holes penetrate through the round anchor plate; the clamping device is in a taper pipe shape, a cylindrical through hole and a plurality of first strip grooves are formed in the length direction of the clamping device, and the first strip grooves are arranged in a surrounding mode along the central axis of the clamping device; the first strip groove is close to one end with larger diameter of the clamping connector and is arranged in an opening mode, and the other end of the first strip groove is arranged in a closed mode. The application has the effect of improving the construction efficiency of the cantilever casting box girder.
With respect to the above and related art, the inventors believe that there are often the following drawbacks: the device is used for clamping and fixing the prestressed tendons through the cooperation of the clamping devices and the round anchor plate, but when the device is used, a plurality of clamping devices are required to be installed in sequence, the clamping devices cannot be installed integrally and rapidly, the installation efficiency is relatively low, and improvement is required; therefore, a suspension casting box girder longitudinal prestressed tendon general rope penetrating sleeve assembly is provided for solving the problems.
Disclosure of Invention
In order to overcome the defects in the prior art and solve the technical problems, the utility model provides a longitudinal prestressed tendon general rope penetrating sleeve assembly for a cantilever casting box girder.
The technical scheme adopted for solving the technical problems is as follows: the utility model discloses a longitudinal prestressed tendon general rope penetrating sleeve assembly of a cantilever box girder, which comprises an anchor plate body, wherein the anchor plate body comprises an upper anchor plate, a middle anchor plate and a lower anchor plate, a plurality of through holes are formed in the surface of the anchor plate body, the prestressed tendon body is inserted into the through holes, a clamping assembly is arranged on the surface of the anchor plate body, the clamping assembly comprises a plurality of clamping devices and two bidirectional screws, the clamping devices are composed of a plurality of clamping blocks which are distributed in an annular mode, the clamping devices are fixedly arranged at the positions, corresponding to the through holes, of the bottoms of the middle anchor plate, the two bidirectional screws penetrate through the through holes, the lower anchor plate is close to the middle anchor plate, and then the clamping devices are rapidly inserted into the through holes and are obliquely propped against the prestressed tendon body, so that the prestressed tendon body is clamped and fixed.
Preferably, the bidirectional screw is symmetrically and rotatably arranged on two sides of the middle anchor plate, the bottom of the bidirectional screw is in threaded connection with a threaded cylinder, and the threaded cylinder is fixedly arranged on the top of the lower anchor plate.
Preferably, the whole round platform shape that is of joint ware, the lateral wall fixedly connected with slipmat of joint piece improves the frictional force with the prestressing tendons body through slipmat.
Preferably, the clamping device is fixedly installed at the position, corresponding to the through hole, of the top of the middle anchor plate, and the bidirectional screw rod drives the upper anchor plate to be close to the middle anchor plate when rotating, so that the clamping device above is used for clamping and fixing the prestressed reinforcement body, the prestressed reinforcement body is further fixedly arranged in multiple layers, and the clamping and fixing stability of the prestressed reinforcement body is improved.
Preferably, the bidirectional screw rod is in threaded connection with the upper anchor plate, and the top end of the bidirectional screw rod is fixedly connected with a handle.
Preferably, the bottom of the lower anchor plate is fixedly connected with an annular base.
Preferably, the anchor plate body and the clamping connector are made of titanium alloy metal materials.
The utility model has the advantages that:
1. according to the utility model, the prestressed rib body passes through the through hole, the bidirectional screw rod is rotated to enable the lower anchor plate to be close to the middle anchor plate, so that the clamping device is quickly inserted into the through hole and is obliquely propped against the prestressed rib body, and the prestressed rib body is clamped and fixed.
2. According to the utility model, the friction force between the anti-slip pad and the prestressed rib body is improved, and the upper anchor plate is driven to be close to the middle anchor plate when the bidirectional screw rod rotates, so that the upper clamping device clamps and fixes the prestressed rib body, the prestressed rib body is further subjected to multilayer fixation, and the clamping and fixing stability of the prestressed rib body is improved.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a front view of FIG. 1 in accordance with the present utility model;
FIG. 3 is a schematic view of the intermediate and lower anchor plates of the present utility model in an expanded configuration;
FIG. 4 is a cross-sectional view of the intermediate and lower anchor plates of the present utility model;
fig. 5 is a schematic view of the upper and middle anchor plates of the present utility model.
In the figure: 1. an anchor plate body; 11. an upper anchor plate; 12. a middle anchor plate; 13. a lower anchor plate; 2. a through hole; 3. a prestressed tendon body; 4. a clamping assembly; 41. a clip connector; 42. a bidirectional screw rod; 43. a thread cylinder; 44. a handle; 411. a clamping block; 412. an anti-slip pad; 5. and (5) a base.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, a longitudinal prestressed tendon general cable-penetrating sleeve assembly of a cantilever box girder comprises an anchor plate body 1, wherein the anchor plate body 1 comprises an upper anchor plate 11, a middle anchor plate 12 and a lower anchor plate 13, a plurality of through holes 2 are formed in the surface of the anchor plate body 1, a prestressed tendon body 3 is inserted in the through holes 2, a clamping assembly 4 is mounted on the surface of the anchor plate body 1, the clamping assembly 4 comprises a plurality of clamping devices 41 and two bidirectional screws 42, the clamping devices 41 are composed of a plurality of annularly distributed clamping blocks 411, the clamping devices 41 are fixedly mounted at the positions, corresponding to the through holes 2, of the bottoms of the middle anchor plate 12, the lower anchor plate 13 is made to be close to the middle anchor plate 12 by rotating the bidirectional screws 42, the clamping devices 41 are rapidly inserted into the through holes 2 and are inclined against the prestressed tendon bodies, and the prestressed tendon bodies 3 are clamped and fixed integrally and rapidly compared with the prior art, the clamping and fixing of the prestressed tendon bodies 3 can be performed integrally and rapidly, so that the clamping efficiency of the clamping and the prestressed tendon body 3 is improved, and then the longitudinal prestressed tendon 3 is further tensioned and the longitudinal prestressed girder is further stressed by the scheme of the cantilever box girder.
The bidirectional screw rod 42 is symmetrically and rotatably arranged at two sides of the middle anchor plate 12, a thread cylinder 43 is connected with the bottom of the bidirectional screw rod 42 in a threaded manner, and the thread cylinder 43 is fixedly arranged at the top of the lower anchor plate 13.
The whole clamping connector 41 is in a round table shape, the side wall of the clamping block 411 is fixedly connected with an anti-slip pad 412, and the friction force between the clamping block and the prestressed rib body 3 is improved through the anti-slip pad 412.
The clamping connector 41 is fixedly arranged at the position, corresponding to the through hole 2, of the top of the middle anchor plate 12, and when the bidirectional screw rod 42 rotates, the upper anchor plate 11 is driven to be close to the middle anchor plate 12, so that the clamping connector 41 above is used for clamping and fixing the prestressed tendon body 3, the prestressed tendon body 3 is further subjected to multilayer fixing, and the clamping and fixing stability of the prestressed tendon body 3 is improved.
The bidirectional screw rod 42 is in threaded connection with the upper anchor plate 11, and a handle 44 is fixedly connected to the top end of the bidirectional screw rod 42.
The upper anchor plate 11 and the lower anchor plate 13 are symmetrically distributed along the horizontal central line of the middle anchor plate 12, and the bottom of the lower anchor plate 13 is fixedly connected with an annular base 5.
The anchor plate body 1 and the clip 41 are made of titanium alloy metal.
According to the working principle, the prestressed tendon bodies 3 penetrate through the through holes 2, the bidirectional screw rods 42 are rotated to enable the lower anchor plate 13 to be close to the middle anchor plate 12, the clamping devices 41 are further inserted into the through holes 2 rapidly and are obliquely propped against the prestressed tendon bodies, and then the prestressed tendon bodies 3 are clamped and fixed;
the friction force between the upper anchor plate 11 and the prestressed tendon body 3 is improved through the anti-slip pad 412, and when the bidirectional screw rod 42 rotates, the upper anchor plate 11 is driven to be close to the middle anchor plate 12, so that the upper clamping connector 41 clamps and fixes the prestressed tendon body 3, the prestressed tendon body 3 is further subjected to multilayer fixation, and the clamping and fixing stability of the prestressed tendon body 3 is improved.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (7)
1. The utility model provides a suspension casting case roof beam longitudinal prestressing tendons wears cable sleeve subassembly generally, includes anchor slab body (1), its characterized in that: the anchor plate body (1) comprises an upper anchor plate (11), a middle anchor plate (12) and a lower anchor plate (13), a plurality of through holes (2) are formed in the surface of the anchor plate body (1), prestressed rib bodies (3) are inserted into the through holes (2), clamping components (4) are mounted on the surface of the anchor plate body (1), each clamping component (4) comprises a plurality of clamping connectors (41) and two bidirectional screws (42), each clamping connector (41) is composed of a plurality of clamping blocks (411) which are distributed annularly, and each clamping connector (41) is fixedly mounted at the bottom of the corresponding middle anchor plate (12) and corresponds to each through hole (2).
2. The suspension casting box girder longitudinal prestressed tendon general rope penetrating sleeve assembly according to claim 1, wherein: the bidirectional screw rod (42) is symmetrically and rotatably arranged on two sides of the middle anchor plate (12), a threaded cylinder (43) is connected to the bottom of the bidirectional screw rod (42) in a threaded manner, and the threaded cylinder (43) is fixedly arranged on the top of the lower anchor plate (13).
3. The suspension casting box girder longitudinal prestressed tendon general rope penetrating sleeve assembly according to claim 1, wherein: the whole joint ware (41) is round platform form, the lateral wall fixedly connected with slipmat (412) of joint piece (411).
4. The suspension casting box girder longitudinal prestressed tendon general rope penetrating sleeve assembly according to claim 1, wherein: the clamping connector (41) is fixedly arranged at the position, corresponding to the through hole (2), of the top of the middle anchor plate (12).
5. The suspension casting box girder longitudinal prestressed tendon general rope penetrating sleeve assembly according to claim 1, wherein: the bidirectional screw rod (42) is in threaded connection with the upper anchor plate (11), and a handle (44) is fixedly connected to the top end of the bidirectional screw rod (42).
6. The suspension casting box girder longitudinal prestressed tendon general rope penetrating sleeve assembly according to claim 1, wherein: the upper anchor plate (11) and the lower anchor plate (13) are symmetrically distributed along the horizontal central line of the middle anchor plate (12), and the bottom of the lower anchor plate (13) is fixedly connected with an annular base (5).
7. The suspension casting box girder longitudinal prestressed tendon general rope penetrating sleeve assembly according to claim 1, wherein: the anchor plate body (1) and the clamping connector (41) are made of titanium alloy metal materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322408157.5U CN220746605U (en) | 2023-09-06 | 2023-09-06 | Suspension casting box girder longitudinal prestressed rib overall rope penetrating sleeve assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322408157.5U CN220746605U (en) | 2023-09-06 | 2023-09-06 | Suspension casting box girder longitudinal prestressed rib overall rope penetrating sleeve assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220746605U true CN220746605U (en) | 2024-04-09 |
Family
ID=90568140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322408157.5U Active CN220746605U (en) | 2023-09-06 | 2023-09-06 | Suspension casting box girder longitudinal prestressed rib overall rope penetrating sleeve assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220746605U (en) |
-
2023
- 2023-09-06 CN CN202322408157.5U patent/CN220746605U/en active Active
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| GR01 | Patent grant |