CN219951666U - Vertical prestressing force anchor box positioner of suspension casting case roof beam - Google Patents
Vertical prestressing force anchor box positioner of suspension casting case roof beam Download PDFInfo
- Publication number
- CN219951666U CN219951666U CN202321313097.2U CN202321313097U CN219951666U CN 219951666 U CN219951666 U CN 219951666U CN 202321313097 U CN202321313097 U CN 202321313097U CN 219951666 U CN219951666 U CN 219951666U
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- box
- anchor
- anchor box
- guide frame
- positioning device
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- 238000005266 casting Methods 0.000 title claims abstract description 24
- 239000000725 suspension Substances 0.000 title description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
Abstract
The utility model provides a vertical prestress anchor box positioning device for a cantilever casting box girder, and belongs to the technical field of prestress anchor box installation and positioning. The vertical prestressed anchor box positioning device for the cantilever casting box girder comprises a cast girder body, a guide frame and a prestressed anchor box structure. One end of the guide frame is arranged on the poured beam body, an end closure plate is fixed at the bottom of the other end of the guide frame, the prestressed anchor box structure comprises an anchor box and an embedded anchor backing plate, the anchor box is arranged on the guide frame, and the embedded anchor backing plate is arranged at the bottom of the anchor box. According to the utility model, the prestress anchor boxes can be conveniently positioned through the double-lug plates distributed at intervals, and the displacement is prevented during pouring, so that the embedded anchor backing plate is kept horizontal, the construction quality is improved more accurately, and meanwhile, the prestress anchor boxes are convenient to disassemble and assemble and are beneficial to repeated use.
Description
Technical Field
The utility model relates to the technical field of installation and positioning of prestressed anchor boxes, in particular to a vertical prestressed anchor box positioning device for a cantilever casting box girder.
Background
The vertical prestress of the cantilever casting box girder bridge provides resistance to the shearing of the girder structure, and plays a role in guaranteeing the vertical integrity of the girder. The traditional vertical prestressed anchor box is generally installed by adopting a positioning method one by one, the prestressed anchor box is directly placed on a top plate steel bar for fixing, the installation space, the elevation and the levelness are insufficient, and the displacement can be generated when concrete is poured, meanwhile, the effective length of the vertical prestressed tendon of the box girder is relatively short, the influence of the elevation of the embedded anchor backing plate and the positioning accuracy of the plane position on the prestress is large, and thus the requirement on the installation precision is higher.
The traditional method for installing the embedded anchor backing plate has poor precision, low efficiency and inadaptability with the high-quality construction requirement. The embedded anchor backing plate is not horizontal and the coordinates are inaccurate, so that the prestress construction quality is affected, and therefore, the vertical prestress anchor box positioning device for the cantilever casting box girder is necessary to solve the problems.
Disclosure of Invention
In order to make up for the defects, the utility model provides a vertical prestressed anchor box positioning device for a cantilever casting box girder, and aims to solve the problems that an existing prestressed anchor box is easy to shift in the process of placing and casting by manpower, so that an embedded anchor backing plate is not horizontal, the coordinates are inaccurate, and the prestress construction quality is affected.
The utility model is realized in the following way:
the utility model provides a vertical prestress anchor box positioning device for a cantilever casting box girder, which comprises a cast girder body, a guide frame and a prestress anchor box structure.
One end of the guide frame is arranged on the poured beam body, an end closure plate is fixed at the bottom of the other end of the guide frame, the prestressed anchor box structure comprises an anchor box and an embedded anchor backing plate, the anchor box is arranged on the guide frame, and the embedded anchor backing plate is arranged at the bottom of the anchor box.
In one embodiment of the utility model, the guide frame comprises two longitudinal beams and a cross beam, wherein the cross beam is fixed at two ends of the two longitudinal beams, one end of the longitudinal beam and the cross beam are fixed on the poured beam body, and double-lug plates are fixed on the top surfaces of the two longitudinal beams.
In one embodiment of the present utility model, a plurality of the binaural plates are provided, and the plurality of binaural plates are equidistantly and alternately distributed on top surfaces of two longitudinal beams, and the binaural plates on top surfaces of the two longitudinal beams are correspondingly distributed.
In one embodiment of the utility model, the anchor box comprises a box body, wherein single-lug plates are symmetrically fixed on two sides of the box body, the Shan Erban is clamped inside the double-lug plates, and the double-lug plates and the single-lug plates are fixed through bolts.
In one embodiment of the present utility model, through holes matched with the pins are formed in the two ear plates and the two ear plates, and the pins are slidably inserted into the through holes.
In one embodiment of the utility model, the anchor box further comprises handles, and the handles are fixed on two sides of the top surface of the box body.
In one embodiment of the utility model, bolts penetrate through the bottom of the box body, the bolts are in threaded connection with the inside of the embedded anchor backing plate, and four bolts are symmetrically distributed.
The beneficial effects of the utility model are as follows: according to the vertical prestress anchor box positioning device for the cantilever casting box girder, which is obtained through the design, when the vertical prestress anchor box positioning device is installed, two ends of a guide frame are respectively fixed on a cast girder body and a head plate, a single-lug plate on the box body is clamped into the inside of a double-lug plate and then penetrates through corresponding through holes through bolts to be fixedly connected, and an embedded anchor backing plate is fixed at the bottom of the box body through bolts; when dismantling, unscrew the bolt, make box body and pre-buried anchor backing plate break away from and pull out the bolt, make leading truck and box body break away from and accomplish the device and demolish, thereby can conveniently fix a position the prestressing force anchor box through the ears board of interval distribution, thereby prevent to shift when pouring and be favorable to pre-buried anchor backing plate to keep the level, make the coordinate more accurate improve the quality of construction, be convenient for carry out the dismouting simultaneously and be favorable to recycle.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a first view angle structure of a vertical prestressed anchor box positioning device for a cantilever casting box girder, which is provided by an embodiment of the utility model;
fig. 2 is a schematic view of a first view cross section structure of a vertical prestressed anchor box positioning device for a cantilever casting box girder according to an embodiment of the present utility model;
FIG. 3 is an enlarged view of the utility model at A in FIG. 2;
fig. 4 is a schematic diagram of a second view angle structure of a vertical prestressed anchor box positioning device for a cantilever casting box girder according to an embodiment of the present utility model;
FIG. 5 is an enlarged view of the utility model at B in FIG. 4;
fig. 6 is a schematic diagram of a first view structure of a box body of a vertical prestressed anchor box positioning device for a cantilever casting box girder according to an embodiment of the present utility model;
fig. 7 is a schematic diagram of a third view angle structure of a box body of a vertical prestressed anchor box positioning device for a cantilever casting box girder according to an embodiment of the present utility model.
In the figure: 100-poured beam body; 200-a guide frame; 201-stringers; 202-a cross beam; 203-binaural boards; 210-end closure plates; 300-a prestressed anchor box structure; 310-anchor box; 311-box body; 312-monaural board; 313-handle; 320-latch; 330-embedding an anchor backing plate; 340-bolt.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
Examples
Referring to fig. 1-7, the present utility model provides a technical solution: a vertical prestress anchor box positioning device for a cantilever casting box girder comprises a cast girder body 100, a guide frame 200 and a prestress anchor box structure 300.
Referring to fig. 1 to 5, one end of a guide frame 200 is mounted on a poured beam body 100, and a closure plate 210 is fixed to the bottom of the other end of the guide frame 200.
The guide frame 200 comprises two longitudinal beams 201 and a cross beam 202, wherein the cross beam 202 is fixed at two ends of the two longitudinal beams 201, a plurality of cross beams 202 can be arranged between the two longitudinal beams according to the length of the longitudinal beams 201, so that the overall strength of the guide frame 200 is improved, one end of each longitudinal beam 201 and the cross beam 202 are fixed on a poured beam body 100, double lug plates 203 are fixed on the top surfaces of the two longitudinal beams 201, and the guide frame 200 can be supported by the poured beam body 100 and the end enclosure plates 210. The binaural plates 203 are provided with a plurality of binaural plates 203, the plurality of binaural plates 203 are equidistantly and alternately distributed on the top surfaces of the two longitudinal beams 201, the binaural plates 203 on the top surfaces of the two longitudinal beams 201 are correspondingly distributed, and the corresponding distributed binaural plates 203 can conveniently limit the anchor boxes 310.
Referring to fig. 1 to 7, the prestressed anchor box structure 300 includes an anchor box 310 and an embedded anchor pad 330, the anchor box 310 is installed on the guide frame 200, and the embedded anchor pad 330 is installed at the bottom of the anchor box 310.
The anchor box 310 comprises a box body 311, wherein single-lug plates 312 are symmetrically fixed on two sides of the box body 311, the box body 311 is positioned between two longitudinal beams 201, the box body 311 is provided with a prism body with a wide upper part and a narrow lower part, the single-lug plates 312 are clamped in the double-lug plates 203, and the double-lug plates 203 and the single-lug plates 312 are fixed through penetrating bolts 320; through holes matched with the bolts 320 are formed in the two lug plates 203 and 312, and the bolts 320 penetrate through the through holes in a sliding mode. Here, the through holes may be provided to fix the monaural board 312 to the inside of the binaural board 203 by means of the pins 320, thereby positioning the case 311. The anchor box 310 further comprises a handle 313, wherein the handle 313 is fixed on two sides of the top surface of the box body 311, and the handle 313 can be used for conveniently taking the box body 311. The bottom of box body 311 runs through there is bolt 340, and bolt 340 threaded connection is in the inside of pre-buried anchor backing plate 330, and bolt 340 symmetric distribution has four, and here the round hole with bolt 340 assorted is seted up to the bottom of box body 311, simultaneously at the inside of pre-buried anchor backing plate 330 seted up with bolt 340 assorted screw hole, thereby can be convenient for dismantle and assemble and make things convenient for reuse like this.
Specifically, the working principle of the vertical prestressed anchor box positioning device of the cantilever casting box girder is as follows: during installation, two ends of the guide frame 200 are respectively fixed on the poured beam body 100 and the end socket plate 210, a single-lug plate 312 on the box body 311 is clamped into the double-lug plate 203, then the double-lug plate is connected and fixed through corresponding through holes by bolts 320, and a pre-buried anchor backing plate 330 is fixed at the bottom of the box body 311 by bolts 340; when dismantling, unscrewing bolt 340 makes box body 311 break away from with pre-buried anchor backing plate 330 and pulls out bolt 320, makes leading truck 200 break away from with box body 311 and accomplishes the device and demolish, and here can conveniently fix a position prestressing force anchor box 310 through the double lug plate 203 of interval distribution, thereby prevent to shift when pouring and be favorable to pre-buried anchor backing plate 330 to keep the level, makes the coordinate more accurate improve the quality of construction, is convenient for dismantle simultaneously and is favorable to recycle.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. A vertical prestress anchor box positioning device of a cantilever casting box girder, which comprises a cast girder body (100), a guide frame (200) arranged on the cast girder body (100), and a prestress anchor box structure (300) arranged on the guide frame (200), and is characterized in that,
one end of the guide frame (200) is arranged on the poured beam body (100), and a sealing head plate (210) is fixed at the bottom of the other end of the guide frame (200);
the pre-stress anchor box structure (300) comprises an anchor box (310) and an embedded anchor backing plate (330), wherein the anchor box (310) is installed on the guide frame (200), and the embedded anchor backing plate (330) is installed at the bottom of the anchor box (310).
2. The vertical prestress anchor box positioning device of a cantilever casting box girder according to claim 1, wherein the guide frame (200) comprises two longitudinal beams (201) and a cross beam (202), the cross beam (202) is fixed at two ends of the two longitudinal beams (201), one end of the longitudinal beam (201) and the cross beam (202) are fixed on the casting girder body (100), and binaural plates (203) are fixed on top surfaces of the two longitudinal beams (201).
3. The vertical prestress anchor box positioning device of a cantilever casting box girder according to claim 2, wherein a plurality of binaural plates (203) are arranged, the plurality of binaural plates (203) are equidistantly and alternately distributed on the top surfaces of two longitudinal beams (201), and the binaural plates (203) on the top surfaces of the two longitudinal beams (201) are correspondingly distributed.
4. The vertical prestress anchor box positioning device of a cantilever casting box girder according to claim 2, wherein the anchor box (310) comprises a box body (311), single-lug plates (312) are symmetrically fixed on two sides of the box body (311), the single-lug plates (312) are clamped inside the double-lug plates (203), and the double-lug plates (203) and the single-lug plates (312) are fixed through bolts (320) penetrating through the double-lug plates.
5. The vertical prestressed anchor box positioning device of a cantilever box girder according to claim 4, wherein through holes matched with the bolts (320) are formed in the two lug plates (203) and the single lug plate (312), and the bolts (320) are slidably penetrated into the through holes.
6. The vertical prestressed anchor box positioning device of a cantilever box girder according to claim 4, wherein said anchor box (310) further comprises handles (313), said handles (313) being fixed on both sides of the top surface of said box body (311).
7. The vertical prestress anchor box positioning device of a cantilever casting box girder of claim 4, wherein bolts (340) penetrate through the bottom of the box body (311), the bolts (340) are in threaded connection with the inside of the embedded anchor backing plate (330), and four bolts (340) are symmetrically distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321313097.2U CN219951666U (en) | 2023-05-26 | 2023-05-26 | Vertical prestressing force anchor box positioner of suspension casting case roof beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321313097.2U CN219951666U (en) | 2023-05-26 | 2023-05-26 | Vertical prestressing force anchor box positioner of suspension casting case roof beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219951666U true CN219951666U (en) | 2023-11-03 |
Family
ID=88546470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321313097.2U Active CN219951666U (en) | 2023-05-26 | 2023-05-26 | Vertical prestressing force anchor box positioner of suspension casting case roof beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219951666U (en) |
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2023
- 2023-05-26 CN CN202321313097.2U patent/CN219951666U/en active Active
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