CN220685818U - Directional tensioning device of prestressed tendons for bridge construction - Google Patents
Directional tensioning device of prestressed tendons for bridge construction Download PDFInfo
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- CN220685818U CN220685818U CN202322309410.1U CN202322309410U CN220685818U CN 220685818 U CN220685818 U CN 220685818U CN 202322309410 U CN202322309410 U CN 202322309410U CN 220685818 U CN220685818 U CN 220685818U
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- 210000002435 tendon Anatomy 0.000 title claims abstract description 29
- 238000010276 construction Methods 0.000 title claims abstract description 25
- 230000033228 biological regulation Effects 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009430 construction management Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a directional tensioning device of a prestressed tendon for bridge construction, which relates to the field of bridge construction and comprises a bottom plate, wherein pulleys are fixedly connected to four corners of the bottom plate, an adjusting shell is fixedly connected to the left side of the top of the bottom plate, a driving assembly is fixedly connected to the left side of the adjusting shell, the driving assembly comprises a motor and a threaded sleeve, a movable shell is fixedly connected to the right side of the top of the bottom plate, and an inner cavity of the movable shell is movably connected with a telescopic arm through a rotating shaft. Through drive assembly, the output of motor drives the thread bush through the threaded rod at first and removes, and the drive shell will drive vaulting pole and position fixing shell and prop up the telescopic boom when the thread bush removes, and the first hydraulic stem of telescopic boom below drives spacing shell again and extends afterwards, comes to prop up the regulation pole, makes the angle of adjusting the pole keep parallelism, can reach the purpose of adjusting the stretch-draw position at will.
Description
Technical Field
The utility model relates to the field of bridge construction, in particular to a prestressed reinforcement directional tensioning device for bridge construction.
Background
The bridge construction is based on design content, and the process of constructing the bridge mainly refers to the contents of bridge construction technology, construction organization, construction management, construction quality and the like, and in the process of bridge construction, a prestressed tendon tensioning device is needed to be used for tensioning the prestressed tendons.
The utility model patent in China with the application number of CN202011559913.9 discloses prestress rib tensioning equipment, and relates to the field of prestress rib tensioning, and the prestress rib tensioning equipment comprises a tensioning device and an anchoring assembly, wherein the anchoring assembly comprises an outer clamping seat, two inner clamping seats and an abutting seat, a mounting hole is formed in the outer clamping seat in a penetrating mode, half holes are formed in the side walls of the inner clamping seats in a penetrating mode, when the side walls of the half holes of the two inner clamping seats are in contact, the two half holes are combined to form an abutting hole, the outer wall of the inner clamping seat is in contact with the inner wall of the mounting hole, the outer wall of the abutting seat is in abutting connection with the inner wall of the abutting hole, a plurality of threading grooves are formed in the inner wall of the half holes in a penetrating mode, and the threading grooves are used for enabling steel strands to penetrate, and the steel strands are clamped between the inner clamping seats and the abutting seat. This application has the effect of being convenient for install anchor subassembly and steel strand wires.
Based on the retrieval of the above patent and the discovery of the equipment in the combination prior art, the above equipment has the function of being convenient for installing the anchoring assembly and the steel strand when being applied, but because the setting positions of the prestressed tendons are different, when the staff needs to stretch-draw the prestressed tendons at a plurality of positions, the prestressed tendons need to be disassembled again, which is complicated and consumes manpower.
Aiming at the problems, the utility model provides a directional tensioning device for prestressed tendons for bridge construction.
Disclosure of Invention
The utility model aims to provide a directional tensioning device for prestressed tendons for bridge construction, which solves the problems that in the background art, when workers need to carry out tensioning tests on prestressed tendons at a plurality of positions, the tensioning instrument needs to be disassembled again, and the process is complicated and labor is consumed by the cooperation of a driving assembly and a locking tensioning assembly.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a directional stretching device of prestressing tendons for bridge construction, includes the bottom plate, the equal fixedly connected with pulley in four corners of bottom plate bottom, the left side fixedly connected with of bottom plate top adjusts the shell, the left side fixedly connected with drive assembly who adjusts the shell, drive assembly includes motor and thread bush, the right side fixedly connected with movable shell at bottom plate top, the inner chamber of movable shell has the flexible arm through pivot swing joint, the top fixedly connected with fixed shell of flexible arm, the inner chamber of fixed shell is adjusted the pole through pivot swing joint, the left side fixedly connected with retainer plate of flexible arm bottom, the top fixedly connected with first hydraulic stem of retainer plate, the top of first hydraulic stem is through pivot swing joint there is spacing shell, the top of spacing shell with adjust pole fixedly connected with, the left side fixedly connected with locking tensioning assembly of adjusting the pole, the equal fixedly connected with balancing weight in both sides of bottom plate bottom.
Further, the right side and the regulation shell fixed connection of motor, the output of motor runs through to the inner chamber of regulation shell and fixedly connected with threaded rod, the surface threaded connection of threaded rod has the thread bush, the top of thread bush runs through to the top of regulation shell and fixedly connected with drive shell, the front side and the rear side of drive shell inner chamber all have the vaulting pole through pivot swing joint, have the shell that keeps on through pivot swing joint between the right side of two vaulting poles, the top and the flexible arm fixed connection of keeping on the shell.
Further, the surface cover of motor is equipped with the stiffening ring, the right side and the regulation shell fixed connection of stiffening ring.
Further, the front side and the rear side of the thread bush are fixedly connected with sliding sleeves, the inner cavities of the sliding sleeves are movably connected with sliding rods, and two sides of each sliding rod are fixedly connected with the inner wall of the adjusting shell.
Further, locking stretch-draw subassembly includes the fixed plate, the right side and the regulation pole fixed connection of fixed plate, the equal fixedly connected with connecting rod of the left front side of fixed plate and rear side, fixedly connected with locating plate between the left side of two connecting rods, the inner chamber and the two connecting rods swing joint of locating plate, the equal fixedly connected with second hydraulic stem in top and the bottom on locating plate right side, fixedly connected with locking plate between the right side of two second hydraulic stems, the equal threaded connection in right side of locking plate top and bottom has the setting element.
Further, the bottoms of the front side and the rear side of the adjusting shell are fixedly connected with fixing blocks, and the bottoms of the fixing blocks are fixedly connected with the bottom plate.
Furthermore, four corners at the top of the bottom plate are fixedly connected with plug bushes, and the inner cavities of the plug bushes are inserted with positioning cones.
Compared with the prior art, the utility model has the following beneficial effects:
according to the directional tensioning device for the prestressed tendons for bridge construction, firstly, the motor is opened, the output end of the motor drives the threaded sleeve to move through the threaded rod, the driving shell drives the supporting rod and the retaining shell to support the telescopic arm when the threaded sleeve moves, and then the first hydraulic rod below the telescopic arm drives the limiting shell to extend to support the adjusting rod, so that the angle of the adjusting rod is kept parallel, and the effect of randomly adjusting the tensioning position can be achieved;
when the anchorage device inserted with a plurality of prestressed tendons enters the locking plate, the worker twists the two locating pieces, the two locating pieces move to the opposite sides to lock the anchorage device, then the two second hydraulic rods are opened, and the two second hydraulic rods push the locking plate to the direction of the fixing plate at the same time, so that the prestressed tendons can be tensioned.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the bottom view of the structure of the present utility model;
FIG. 3 is a schematic diagram of a driving assembly according to the present utility model;
fig. 4 is a schematic structural view of the locking tension assembly of the present utility model.
In the figure: 1. a bottom plate; 2. a pulley; 3. an adjustment housing; 4. a drive assembly; 401. a motor; 402. a threaded rod; 403. a thread sleeve; 404. a driving case; 405. a brace rod; 406. a retention housing; 407. a reinforcing ring; 408. a sliding sleeve; 409. a slide bar; 5. a movable case; 6. a telescoping arm; 7. a fixed case; 8. an adjusting rod; 9. a retention plate; 10. a first hydraulic lever; 11. a limit shell; 12. locking the tensioning assembly; 1201. a fixing plate; 1202. a connecting rod; 1203. a second hydraulic lever; 1204. a locking plate; 1205. a positioning piece; 1206. a positioning plate; 13. a fixed block; 14. a plug bush; 15. positioning cone; 16. and (5) balancing weights.
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.
In order to solve the technical problems that when a worker uses a traditional tensioning instrument to tension the prestressed tendons, the worker needs to repeatedly disassemble and assemble due to different positions to be tensioned, labor is consumed and construction efficiency is affected, as shown in fig. 1-4, the following preferable technical scheme is provided:
the utility model provides a directional stretching device of prestressing tendons for bridge construction, including bottom plate 1, the equal fixedly connected with pulley 2 in four corners of bottom plate 1 bottom, the left side fixedly connected with at bottom plate 1 top adjusts shell 3, the left side fixedly connected with drive assembly 4 of adjusting shell 3, drive assembly 4 includes motor 401 and thread bush 403, the right side fixedly connected with movable shell 5 at bottom plate 1 top, the inner chamber of movable shell 5 is through pivot swing joint flexible arm 6, the top fixedly connected with fixed shell 7 of flexible arm 6, the inner chamber of fixed shell 7 is through pivot swing joint regulation pole 8, the left side fixedly connected with retainer plate 9 of flexible arm 6 bottom, the top fixedly connected with first hydraulic stem 10 of retainer plate 9, the top of first hydraulic stem 10 is through pivot swing joint spacing shell 11, the top and the regulation pole 8 fixedly connected with of spacing shell 11, the left side fixedly connected with locking tensioning assembly 12 of regulation pole 8, the both sides of bottom plate 1 bottom all fixedly connected with balancing weight 16.
The right side and the regulation shell 3 fixed connection of motor 401, the output of motor 401 runs through to the inner chamber of regulation shell 3 and fixedly connected with threaded rod 402, threaded rod 402's surface threaded connection has thread bush 403, the top of thread bush 403 runs through to the top of regulation shell 3 and fixedly connected with drive shell 404, drive shell 404 inner chamber's front side and rear side all have vaulting pole 405 through pivot swing joint, there is the retainer shell 406 through pivot swing joint between the right side of two vaulting poles 405, the top and the flexible arm 6 fixed connection of retainer shell 406.
The surface of the motor 401 is sleeved with a reinforcing ring 407, and the right side of the reinforcing ring 407 is fixedly connected with the adjusting shell 3.
The front side and the rear side of the thread bush 403 are fixedly connected with a sliding sleeve 408, an inner cavity of the sliding sleeve 408 is movably connected with a sliding rod 409, and two sides of the sliding rod 409 are fixedly connected with the inner wall of the adjusting shell 3.
The locking tensioning assembly 12 comprises a fixing plate 1201, the right side of the fixing plate 1201 is fixedly connected with an adjusting rod 8, the front side and the rear side of the left side of the fixing plate 1201 are fixedly connected with connecting rods 1202, a positioning plate 1206 is fixedly connected between the left sides of the two connecting rods 1202, an inner cavity of the positioning plate 1206 is movably connected with the two connecting rods 1202, the top and the bottom of the right side of the positioning plate 1206 are fixedly connected with second hydraulic rods 1203, a locking plate 1204 is fixedly connected between the right sides of the two second hydraulic rods 1203, and the right sides of the top and the bottom of the locking plate 1204 are respectively in threaded connection with a positioning piece 1205.
Specifically, when in use, firstly, a worker moves the bottom plate 1 to a position to be stretched and detected through the four pulleys 2, then the motor 401 is opened, the output end of the motor 401 drives the threaded sleeve 403 to move through the threaded rod 402, the driving shell 404 drives the supporting rod 405 and the retaining shell 406 to prop up the telescopic arm 6 when the threaded sleeve 403 moves, then the first hydraulic rod 10 below the telescopic arm 6 drives the limiting shell 11 to extend so as to prop up the adjusting rod 8, the angle of the adjusting rod 8 is kept parallel, the effect of randomly adjusting the stretching position can be achieved, then the worker can push the pulleys 2 to the positions of the prestressing tendons, the anchor inserted with the prestressing tendons enters the inside of the locking plate 1204, at this time, the worker can insert the four positioning cones 15 into the inside of the inserting sleeve 14 and enter the ground to position the bottom plate 1, then twist the two positioning pieces 1205, move the two positioning pieces 1205 to the opposite sides to lock the anchor, at this time, the two second hydraulic rods 1203 open the two second hydraulic rods 1203 simultaneously push the locking plate 1204 to the direction of the fixing plate 1201, namely, the prestressing tendons 1201 can be stretched.
In order to solve the technical problem of lack of stability between the adjustment housing 3 and the bottom plate 1, as shown in fig. 1 and 3, the following preferred technical scheme is provided:
the bottoms of the front side and the rear side of the adjusting shell 3 are fixedly connected with a fixed block 13, and the bottom of the fixed block 13 is fixedly connected with the bottom plate 1.
Specifically, through setting up fixed block 13, fixed block 13 and bottom plate 1 fixed connection have played the effect of fixing adjusting shell 3.
In order to solve the technical problem of lack of stability of the base plate 1, as shown in fig. 1 and fig. 2, the following preferred technical scheme is provided:
the four corners at the top of the bottom plate 1 are fixedly connected with plug bush 14, and the inner cavity of the plug bush 14 is inserted with a positioning cone 15.
Specifically, through the cooperation of the plug bush 14 and the locating cone 15, the function of locating the bottom plate 1 is achieved.
Working principle: when the device is used, firstly, a worker moves the bottom plate 1 to a position to be stretched and detected through the four pulleys 2, then the motor 401 is opened, the output end of the motor 401 drives the threaded sleeve 403 to move through the threaded rod 402, the driving shell 404 drives the supporting rod 405 and the retaining shell 406 to prop up the telescopic arm 6 when the threaded sleeve 403 moves, then the first hydraulic rod 10 below the telescopic arm 6 drives the limiting shell 11 to extend, so that the adjusting rod 8 is propped up, the angle of the adjusting rod 8 is kept parallel, the effect of randomly adjusting the stretching position can be achieved, then the worker can push the pulleys 2 to the positions of the prestress ribs, the anchor inserted with the prestress ribs enters the locking plate 1204, at the moment, the worker can insert the four positioning cones 15 into the sleeve 14 and enter the ground to position the bottom plate 1, then twist the two positioning pieces 1205, move the two positioning pieces 1205 to opposite sides to lock the anchor, at the moment, the two second hydraulic rods 1203 are opened, the two second hydraulic rods 1203 push the locking plate 1201 to the direction of the fixed plate 1201 at the same time, and the prestress ribs can be processed.
To sum up: this directional stretching device of prestressing tendons for bridge construction uses through bottom plate 1, pulley 2, regulation shell 3, drive assembly 4, movable shell 5, flexible arm 6, fixed shell 7, regulation pole 8, location board 9, first hydraulic stem 10, spacing shell 11, locking stretching assembly 12 and balancing weight 16's cooperation, has solved the staff and has needed when carrying out the stretch-draw test to the prestressing tendons of a plurality of positions, still need with stretch-draw instrument dismouting again, the comparatively loaded down with trivial details and the problem of consuming the manpower of process.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation 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 may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a directional stretching device of prestressing tendons for bridge construction, includes bottom plate (1), its characterized in that: the utility model discloses a hydraulic control device for a motor vehicle, including bottom plate (1), left side fixedly connected with pulley (2) in four corners of bottom plate (1), left side fixedly connected with of bottom plate (1) top adjusts shell (3), left side fixedly connected with drive assembly (4) of adjusting shell (3), drive assembly (4) are including motor (401) and thread bush (403), right side fixedly connected with movable shell (5) at bottom plate (1) top, the inner chamber of movable shell (5) is through pivot swing joint flexible arm (6), the top fixedly connected with fixed shell (7) of flexible arm (6), the inner chamber of fixed shell (7) is through pivot swing joint regulation pole (8), the left side fixedly connected with location board (9) of flexible arm (6) bottom, the top fixedly connected with first hydraulic stem (10) of location board (9), the top and regulation pole (8) fixedly connected with of spacing shell (11) through pivot swing joint, the left side fixedly connected with pole (12) of regulation pole (8), the bottom of the equal both sides of bottom plate (16) of tensioning pole (1).
2. The directional tensioning device for the prestressed tendons for bridge construction according to claim 1, wherein: the right side of motor (401) and regulation shell (3) fixed connection, the output of motor (401) runs through to the inner chamber of regulation shell (3) and fixedly connected with threaded rod (402), the surface threaded connection of threaded rod (402) has thread bush (403), the top of thread bush (403) runs through to the top of regulation shell (3) and fixedly connected with driving shell (404), the front side and the rear side of driving shell (404) inner chamber all have vaulting pole (405) through pivot swing joint, have location shell (406) through pivot swing joint between the right side of two vaulting poles (405), the top and telescopic arm (6) fixed connection of location shell (406).
3. The directional tensioning device for the prestressed tendons for bridge construction according to claim 2, wherein: the surface of motor (401) is overlapped and is equipped with stiffening ring (407), the right side of stiffening ring (407) is connected with regulation shell (3) fixed.
4. The directional tensioning device for the prestressed tendons for bridge construction according to claim 2, wherein: the front side and the rear side of the thread bush (403) are fixedly connected with a sliding sleeve (408), an inner cavity of the sliding sleeve (408) is movably connected with a sliding rod (409), and two sides of the sliding rod (409) are fixedly connected with the inner wall of the adjusting shell (3).
5. The directional tensioning device for the prestressed tendons for bridge construction according to claim 1, wherein: locking tensioning subassembly (12) are including fixed plate (1201), the right side and the regulation pole (8) fixed connection of fixed plate (1201), the equal fixedly connected with connecting rod (1202) of front side and rear side in fixed plate (1201) left side, fixedly connected with locating plate (1206) between the left side of two connecting rods (1202), the inner chamber and the two connecting rods (1202) swing joint of locating plate (1206), the equal fixedly connected with second hydraulic stem (1203) in top and the bottom on locating plate (1206) right side, fixedly connected with locking plate (1204) between the right side of two second hydraulic stems (1203), equal threaded connection has setting element (1205) in the right side of locking plate (1204) top and bottom.
6. The directional tensioning device for the prestressed tendons for bridge construction according to claim 1, wherein: the bottom of the front side and the bottom of the rear side of the adjusting shell (3) are fixedly connected with fixing blocks (13), and the bottoms of the fixing blocks (13) are fixedly connected with the bottom plate (1).
7. The directional tensioning device for the prestressed tendons for bridge construction according to claim 1, wherein: four corners at the top of the bottom plate (1) are fixedly connected with plug bushes (14), and the inner cavities of the plug bushes (14) are inserted with positioning cones (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322309410.1U CN220685818U (en) | 2023-08-28 | 2023-08-28 | Directional tensioning device of prestressed tendons for bridge construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322309410.1U CN220685818U (en) | 2023-08-28 | 2023-08-28 | Directional tensioning device of prestressed tendons for bridge construction |
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| Publication Number | Publication Date |
|---|---|
| CN220685818U true CN220685818U (en) | 2024-03-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322309410.1U Active CN220685818U (en) | 2023-08-28 | 2023-08-28 | Directional tensioning device of prestressed tendons for bridge construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220685818U (en) |
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2023
- 2023-08-28 CN CN202322309410.1U patent/CN220685818U/en active Active
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