CN217948831U - Highway bridge prestressing force reinforcing apparatus - Google Patents
Highway bridge prestressing force reinforcing apparatus Download PDFInfo
- Publication number
- CN217948831U CN217948831U CN202221919057.8U CN202221919057U CN217948831U CN 217948831 U CN217948831 U CN 217948831U CN 202221919057 U CN202221919057 U CN 202221919057U CN 217948831 U CN217948831 U CN 217948831U
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- stay tube
- fixed
- bridge
- symmetrically
- sliding block
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- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 32
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 230000006978 adaptation Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 230000002787 reinforcement Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a highway bridge prestressing force reinforcing apparatus relates to bridge reinforcement technical field. Including the pontic, the pontic bottom end face symmetry is fixed with the roof beam body, and the back is symmetrical to be provided with the reinforcing bar just to the roof beam body, and the reinforcing bar both ends are provided with U type locating bolt, and the reinforcing bar middle part is provided with adjusts the structure, adjusts the structure and locates the sliding block on the reinforcing bar middle part including the symmetric cover, inserts respectively on the sliding block opposite face and is equipped with first stay tube and second stay tube. The utility model discloses a setting of regulation structure, when needing to adjust the prestressing force of this bridge, at first remove the movable block in T type inslot, rotatory stay tube is followed, the stay tube rotates, because first stay tube and second stay tube port department external screw thread and stay tube inner wall thread groove opposite direction for first stay tube and second stay tube drive the sliding block and are close to each other in step or keep away from, thereby change the angle of reinforcing bar, can alternate the size of prestressing force, make the later stage overhaul simpler.
Description
Technical Field
The utility model relates to a bridge reinforcement technical field specifically is a highway bridge prestressing force reinforcing apparatus.
Background
The highway bridge engineering refers to the whole work of planning, designing, constructing, maintaining, repairing and the like of structures of roads crossing water areas, valleys and all traffic channels. The prestress reinforcing method is a method for reinforcing structural member or whole body by using external prestress steel pull rod or steel brace rod, and is characterized by that after the prestress means is used to force some pull rod or brace rod to bear force, the internal force distribution of original structure can be changed, and the stress level of original structure can be reduced, so that the stress-strain hysteresis phenomenon specially existed in general reinforced structure can be completely eliminated.
Present when adding prestressing force to highway bridge reinforcing apparatus, the size of difficult transform prestressing force leads to the later stage easily to overhaul troublesome, for this reason, the utility model provides a neotype solution.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a highway bridge prestressing force reinforcing apparatus to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a highway bridge prestressing force reinforcing apparatus, including the pontic, pontic bottom symmetry is fixed with the pier, pontic bottom surface symmetry is fixed with the pontic, the symmetrical reinforcing bar that is provided with in the positive back of the pontic, the reinforcing bar both ends are provided with U type locating bolt, the reinforcing bar middle part is provided with adjusts the structure, adjust the structure and locate the sliding block on the reinforcing bar middle part including the symmetry cover, it is equipped with first stay tube and second stay tube to insert respectively on the sliding block opposite face, the cover is equipped with the rotating tube on first stay tube and the second stay tube opposite end, the thread groove has been seted up in the rotating tube, first external screw thread and second external screw thread the same with the thread groove direction and opposite are seted up respectively to first stay tube and second stay tube looks remote site outer wall, rotating tube outer wall middle part circumference evenly is fixed with a plurality of stoppers, pontic lower extreme middle part is provided with the limit structure, reinforcing bar both ends symmetry is provided with the fixed plate, all be provided with fixed knot structure on fixed plate and the sliding block lateral surface.
Preferably, the U-shaped positioning bolt and the fixed plate are fixedly installed on the beam body, the reinforcing steel bars are symmetrically inserted into the two ends of the fixed plate, and the rotating pipe is matched with the first supporting pipe and the second supporting pipe.
Preferably, the limiting structure comprises a notch formed in the middle of the lower end of the beam body, a fixed beam is fixed between the notches, T-shaped grooves are symmetrically formed in the middle of the front face and the back face of the fixed beam, and moving blocks are arranged in the T-shaped grooves in a sliding mode.
Preferably, the front surface of the moving block is provided with a limit groove matched with the limit block, and the front and back surfaces of the fixed beam are symmetrically provided with arc grooves.
Preferably, the fixing structure comprises a fixing plate and an anchor backing plate symmetrically arranged on the outer side face of the sliding block, an anchor is arranged on the outer side face of the anchor backing plate, a clamping piece matched with the steel bar is arranged on the outer side of the anchor, and an anchor bolt nut is sleeved outside the anchor.
Preferably, first stay tube and second stay tube all rotate mutually with the sliding block and are connected, and the sliding block cover is located the fixed beam outside and with fixed beam looks sliding connection.
Compared with the prior art, the beneficial effects of the utility model are that:
this highway bridge prestressing force reinforcing apparatus, setting through the regulation structure, when needing to adjust the prestressing force of this bridge, at first at T type inslot removal movable block, rotatory stay tube after that, the stay tube rotates, because first stay tube and second stay tube port department external screw thread and stay tube inner wall thread groove opposite direction, make first stay tube and second stay tube drive the sliding block and be close to each other in step or keep away from, thereby change the angle of reinforcing bar, can alternate the size of prestressing force, make later stage maintenance simpler.
In addition, through the setting of injecing the structure, the movable block can slide in T type inslot, is convenient for carry on spacingly and loosen the stopper for the rotating tube rotates and fixes, thereby carries out spacing fixed to the rotating tube position after the adjustment.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a schematic perspective view of the present invention;
fig. 3 is a schematic view of the three-dimensional splitting structure of the present invention;
fig. 4 is an enlarged schematic structural diagram of a portion a in fig. 3 according to the present invention.
In the figure: 1. a bridge body; 101. a bridge pier; 102. a beam body; 103. a fixed beam; 104. an arc groove; 2. reinforcing steel bars; 3. a slider; 301. a first support tube; 302. a second support tube; 303. rotating the tube; 304. a limiting block; 4. an anchor backing plate; 401. an anchorage device; 402. a clip; 403. an anchor bolt nut; 5. a T-shaped groove; 501. a moving block; 6. u type pilot pin.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
It should be noted that, in the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Further, it will be appreciated that the dimensions of the various elements shown in the figures are not drawn to scale, for ease of description, and that the thickness or width of some layers may be exaggerated relative to other layers, for example.
It should be noted that like reference numerals and letters refer to like items in the following figures, and thus, once an item is defined or illustrated in one figure, it will not need to be further discussed or illustrated in detail in the description of the following figure.
As shown in fig. 1-4, the utility model provides a technical solution: a pre-stress reinforcing device for a highway bridge comprises a bridge body 1, piers 101 are symmetrically fixed at the bottom end of the bridge body 1, a bridge body 102 is symmetrically fixed on the bottom end surface of the bridge body 1, reinforcing steel bars 2 are symmetrically arranged on the front back surface of the bridge body 102, U-shaped positioning bolts 6 are arranged at two ends of each reinforcing steel bar 2, an adjusting structure is arranged in the middle of each reinforcing steel bar 2 and comprises sliding blocks 3 symmetrically sleeved on the middle of each reinforcing steel bar 2, a first supporting pipe 301 and a second supporting pipe 302 are respectively inserted on opposite surfaces of each sliding block 3, rotating pipes 303 are sleeved on opposite ends of the first supporting pipe 301 and the second supporting pipe 302, thread grooves are formed in the rotating pipes 303, first external threads and second external threads which have the same direction as the thread grooves and are opposite to the thread grooves are respectively arranged on the outer walls of opposite ends of the first supporting pipe 301 and the second supporting pipe 302, a plurality of limiting blocks 304 are uniformly fixed on the circumference of the middle part of the outer walls of the rotating pipes 303, a limiting structure is arranged in the middle of the lower end of the bridge body 102, fixing plates are symmetrically arranged at two ends of each reinforcing steel bars 2, fixing plates and the outer side surfaces of each sliding block 3, the fixing structures are respectively arranged on the outer side surfaces of the U-shaped positioning bolts 6 and the fixing plates, the fixing plates are respectively fixedly installed on the beam body 102, the fixing plates 301, the fixing plates, and the fixing plates are symmetrically inserted in the fixing plates, and the second supporting pipes 302, through the arrangement of the adjusting structure, when the prestress of the bridge needs to be adjusted, the moving block 501 is firstly moved in the T-shaped groove 5, then the rotating pipe 303 is rotated, since the external threads at the ports of the first support tube 301 and the second support tube 302 are opposite to the thread groove direction of the inner wall of the rotating tube 303, so that the first support tube 301 and the second support tube 302 drive the sliding block 3 to move close to or away from each other synchronously, thereby change the angle of reinforcing bar 2, can alternate the size of prestressing force for later stage overhauls more simply.
As a specific embodiment, the limiting structure comprises a notch arranged in the middle of the lower end of the beam body 102, a fixed beam 103 is fixed between the notches, T-shaped grooves 5 are symmetrically formed in the middle of the front and back surfaces of the fixed beam 103, a moving block 501 is slidably arranged in the T-shaped grooves 5, the back surface of the moving block 501 is provided with a T-shaped block matched with the T-shaped grooves 5, the moving block 501 is matched with the arc groove 104, a limiting groove matched with the limiting block 304 is formed in the front surface of the moving block 501, the limiting block 304 is convenient to limit, the rotating pipe 303 cannot rotate, the stability of the rotating pipe 303 after rotation is guaranteed, the arc groove 104 is symmetrically formed in the front and back surface of the fixed beam 103, the rotating pipe 303 is convenient to rotate, the moving block 501 can slide in the T-shaped grooves 5 through the setting of the limiting structure, the limiting block 304 is convenient to limit and release, the rotating pipe 303 rotates and is fixed, and the position of the rotating pipe 303 after adjustment is limited and fixed.
As a specific embodiment, fixed knot constructs anchor backing plate 4 that includes fixed plate and 3 outside planes symmetry settings of sliding block, anchor backing plate 4 lateral surface is provided with ground tackle 401, the ground tackle 401 outside is provided with the clamping piece 402 with 2 looks adaptations of reinforcing bar, the outside cover of ground tackle 401 is equipped with crab-bolt nut 403, above be prior art, play the fixed action to reinforcing bar 2, first stay tube 301 and second stay tube 302 all rotate with sliding block 3 mutually and be connected, 3 covers of sliding block locate fixed beam 103 outside and with fixed beam 103 looks sliding connection, fixed beam 103 plays limiting displacement to sliding block 3, make sliding block 3 remove along fixed beam 103.
Particularly, when the device is used, the position of the fixing plate is determined firstly, the fixing plate is fixed on the beam body 102 through bolts, the fixing beam 103 is fixed at the bottom end of the beam body 102, at the moment, the sliding block 3, the first supporting tube 301, the second supporting tube 302 and the rotating tube 303 are arranged on the fixing beam 103, the steel bar 2 sequentially penetrates through the fixing plate, the U-shaped positioning bolt 6, the sliding block 3, the first supporting tube 301, the rotating tube 303 and the second supporting tube 302, the steel bar 2 is transversely stretched through the jack, after the stretching is completed, the sliding block 3 and the fixing structure on the outer side face of the fixing plate are used for fixing the steel bar 2, when the prestress of the steel bar 2 needs to be adjusted, the moving block 501 is moved away from the limiting block 304, then the rotating tube 303 is rotated, so that the rotating tube 303 drives the first supporting tube 301 and the second supporting tube 302 to rotate and support the sliding block 3 to be away from each other, the angle of the steel bar 2 is adjusted, and the prestress of the steel bar 2 is changed. It should be noted that the bridge 1, the pier 101, the beam 102, the anchor plate 4, the anchor 401, the clip 402, the anchor nut 403, and the U-shaped positioning bolt 6 are all prior art, and therefore the working principle thereof will not be explained herein.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a highway bridge prestressing force reinforcing apparatus, includes the pontic (1), its characterized in that: pier (101) are symmetrically fixed on the bottom end of bridge body (1), bridge body (1) bottom end face is symmetrically fixed with beam body (102), the back face of beam body (102) is symmetrically provided with reinforcing steel bars (2), U-shaped positioning bolts (6) are arranged at two ends of reinforcing steel bars (2), an adjusting structure is arranged at the middle part of reinforcing steel bars (2), sliding blocks (3) which are symmetrically sleeved on the middle part of reinforcing steel bars (2) are arranged in the adjusting structure, a first supporting pipe (301) and a second supporting pipe (302) are respectively inserted on opposite faces of sliding blocks (3), a rotating pipe (303) is sleeved on opposite ends of the first supporting pipe (301) and the second supporting pipe (302), thread grooves are formed in the rotating pipe (303), first external threads and second external threads which are the same as and opposite to the thread groove in direction are respectively arranged on outer walls of opposite ends of the first supporting pipe (301) and the second supporting pipe (302), a plurality of limiting blocks (304) are uniformly fixed on the circumference of the middle parts of outer walls of the rotating pipe (303), a limiting structure is arranged at the middle part of the lower end of beam body (102), fixing plates and sliding blocks (3) are symmetrically arranged on outer side faces.
2. The pre-stress reinforcing device for the highway bridge according to claim 1, wherein: u type pilot pin (6) and fixed plate all with roof beam body (102) installation fixed, both ends in locating the fixed plate are inserted to reinforcing bar (2) symmetry, rotating-tube (303) and first stay tube (301) and second stay tube (302) equal adaptation.
3. The pre-stress reinforcing device for the road bridge as claimed in claim 1, wherein: the limiting structure comprises notches arranged in the middle of the lower end of the beam body (102), fixed beams (103) are fixed between the notches, T-shaped grooves (5) are symmetrically formed in the middle of the front side and the back side of each fixed beam (103), and moving blocks (501) are arranged in the T-shaped grooves (5) in a sliding mode.
4. The pre-stress reinforcing device for the road bridge as claimed in claim 3, wherein: the front surface of the moving block (501) is provided with a limit groove matched with the limit block (304), and the front back surface of the fixed beam (103) is symmetrically provided with an arc groove (104).
5. The pre-stress reinforcing device for the highway bridge according to claim 1, wherein: the fixing structure comprises anchor backing plates (4) symmetrically arranged on the outer side surfaces of a fixing plate and a sliding block (3), an anchor (401) is arranged on the outer side surfaces of the anchor backing plates (4), clamping pieces (402) matched with the steel bars (2) are arranged on the outer sides of the anchor (401), and anchor bolts (403) are sleeved on the outer portions of the anchor (401).
6. The pre-stress reinforcing device for the road bridge as claimed in claim 1, wherein: first stay tube (301) and second stay tube (302) all rotate mutually with sliding block (3) and are connected, and fixed roof beam (103) outside and with fixed roof beam (103) looks sliding connection are located in sliding block (3) cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221919057.8U CN217948831U (en) | 2022-07-22 | 2022-07-22 | Highway bridge prestressing force reinforcing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221919057.8U CN217948831U (en) | 2022-07-22 | 2022-07-22 | Highway bridge prestressing force reinforcing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217948831U true CN217948831U (en) | 2022-12-02 |
Family
ID=84221641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221919057.8U Expired - Fee Related CN217948831U (en) | 2022-07-22 | 2022-07-22 | Highway bridge prestressing force reinforcing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217948831U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115874553A (en) * | 2023-01-06 | 2023-03-31 | 安徽省交通控股集团有限公司 | Pier circumferential reinforcing structure and reinforcing method |
-
2022
- 2022-07-22 CN CN202221919057.8U patent/CN217948831U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115874553A (en) * | 2023-01-06 | 2023-03-31 | 安徽省交通控股集团有限公司 | Pier circumferential reinforcing structure and reinforcing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221202 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |