CN214783319U - Positioning device for pre-embedded steel bars on top of tie beams of prefabricated bridges - Google Patents
Positioning device for pre-embedded steel bars on top of tie beams of prefabricated bridges Download PDFInfo
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- CN214783319U CN214783319U CN202120567052.2U CN202120567052U CN214783319U CN 214783319 U CN214783319 U CN 214783319U CN 202120567052 U CN202120567052 U CN 202120567052U CN 214783319 U CN214783319 U CN 214783319U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 76
- 239000010959 steel Substances 0.000 title claims abstract description 76
- 238000010276 construction Methods 0.000 abstract description 21
- 238000009434 installation Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 11
- 230000007246 mechanism Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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Abstract
本实用新型公开了一种装配式桥梁系梁顶预埋钢筋定位装置，包括型钢桁架、定位盘结构；定位盘结构表面固连有多根定位套筒；定位盘结构布置于墩柱的上端，且墩柱的预埋钢筋穿设于定位套筒内以通过定位套筒定位；定位盘结构通过型钢桁架确定相对位置以保持相邻两个墩柱的相对位置。本实用新型的定位装置通过定位盘结构上的定位套筒按照设计要求确定好预埋钢筋的安装位置和相对位置，同时可以控制预埋钢筋的凸出长度，利用定位盘结构能够确保一根墩柱上预埋钢筋的定位精度，而两个定位盘结构则能够同时保持相邻两个墩柱的预埋钢筋的定位，并在型钢桁架的作用下保证两个墩柱之间的相对位置，降低施工难度，缩短施工周期，提高施工质量。
The utility model discloses a pre-embedded steel bar positioning device on the top of an assembled bridge tie beam, which comprises a profiled steel truss and a positioning plate structure; a plurality of positioning sleeves are fixedly connected to the surface of the positioning plate structure; And the pre-embedded steel bars of the pier column are penetrated in the positioning sleeve to be positioned by the positioning sleeve; the positioning plate structure determines the relative position through the section steel truss to maintain the relative position of the two adjacent pier columns. The positioning device of the utility model determines the installation position and relative position of the embedded steel bar according to the design requirements through the positioning sleeve on the positioning disc structure, and can control the protruding length of the embedded steel bar at the same time, and the positioning disc structure can ensure a pier The positioning accuracy of the pre-embedded steel bars on the columns, and the two positioning disc structures can simultaneously maintain the positioning of the embedded steel bars of the two adjacent pier columns, and ensure the relative position between the two pier columns under the action of the steel truss. Reduce construction difficulty, shorten construction period and improve construction quality.
Description
Technical Field
The utility model relates to a highway, municipal works's bridge building technical field especially relate to an assembled bridge tie roof embedded bar positioner that can accurate positioning embedded bar's absolute position and relative position.
Background
Fully prefabricated construction bridges were less widely used before the 21 st century, and until after the 21 st century, fully prefabricated assembly construction techniques have gained increasing attention and certainty in various regions. At present, the fields of municipal administration and house construction are mature in the aspect of assembly type construction, the application is wide, and highway bridges are relatively few. The accurate positioning of the embedded member is the key point of the construction technology of the assembled bridge.
The highway bridge is located in a mountainous area with complex terrain, the external environment is complex and variable, and a plurality of adverse factors are brought to construction, so that it is very important for technicians in the field to develop a positioning device and a positioning mode for positioning embedded steel bars at the top of an assembly type bridge system.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a make things convenient for embedded reinforcement location, realize the positioner of the embedded reinforcement location in assembled bridge tie roof of two adjacent pier stud relative position location.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model discloses an assembled bridge tie roof embedded bar positioner, this positioner includes:
a section steel truss; and
positioning disc structures arranged at two ends of the section steel truss;
the surface of the positioning disc structure is fixedly connected with a plurality of positioning sleeves, and the positioning sleeves are hollow to form a steel bar through channel;
the positioning disc structure is arranged at the upper end of the pier stud, and the embedded steel bars of the pier stud penetrate through the positioning sleeve to be positioned through the positioning sleeve;
the two positioning disc structures determine relative positions through the steel section trusses so as to keep the relative positions of the two adjacent piers.
Further, the section steel truss includes:
a truss lower hollow rod positioned at the bottom; and
the truss upper inserted rod is arranged above the truss lower inserted rod;
the truss lower connecting rod and the truss upper connecting rod are connected into a whole through a connecting rod;
the lower connecting rod of the truss is a 20a channel steel;
the upper connecting rod of the truss is I10I-shaped steel;
the distance between the upper inserted rod of the truss and the lower inserted rod of the truss is 780mm, and the length of the profile steel truss is 12000 mm.
Further, the puck structure includes:
the positioning plate is of a square structure, and the middle part of the positioning plate is hollowed out to form a square ring structure; and
the positioning sleeves are arranged at intervals along the circumferential direction of the positioning disc;
one end of the positioning sleeve is fixedly connected with the positioning disc, the other end of the positioning sleeve extends upwards along the vertical direction, and the positioning sleeve penetrates through the positioning disc.
Further, the positioning disc comprises two steel plates with the thickness of 12mm, and the size of the positioning disc is 2000x2000 mm.
Furthermore, the steel pipe with the outer diameter of 63mm, the wall thickness of 10mm and the inner diameter of 43mm is selected as the positioning sleeve, and the height of the positioning sleeve is not less than 270 mm.
Furthermore, the distance between the adjacent positioning sleeves is used as a penetrating channel of a truss lower inserted rod of the steel truss.
The utility model discloses an assembled bridge tie roof embedded bar positioning method, this positioning method mainly includes following step:
s101, manufacturing the positioning device according to any one of claims 1 to 6 according to construction requirements and design drawings;
s102, after binding of tie beam steel bars is completed, hoisting a single positioning plate structure to a specified position at the upper end of one of the pier columns by using a crane, and positioning the positioning plate structure at an elevation position and a plane position by using a total station;
s103, enabling embedded steel bars of the pier stud to penetrate through the positioning sleeve from the bottom of the positioning disc structure, and ensuring that the top surfaces of the embedded steel bars are flush with the upper end surface of the positioning sleeve;
s104, repeating the step S102 and the step S103, and mounting another positioning disc structure at the upper end of an adjacent pier stud;
s105, after the positioning disc structures are in place, connecting the two positioning disc structures by using the steel truss, and installing a tie beam side template;
s106, determining a transverse axis of the tie beam and a longitudinal axis corresponding to the pier stud position by using a total station, and marking by using a filament yarn;
s107, measuring the longitudinal center and the transverse center of the positioning disc on the positioning disc structure by using a steel ruler, and marking by using a thin line marking pen;
s108, mounting fine adjustment mechanisms at four corners of the positioning plate, and adjusting the structure of the positioning plate through the fine adjustment mechanisms to ensure that the center line of the positioning plate is superposed with the center line of the tie beam;
s109, after the accurate positioning of the embedded steel bars is completed, concrete begins to be poured, and after the concrete is poured and the strength meets the design requirements, the positioning device is detached.
Further, in step S106, a filament wire with a diameter of 0.2mm is selected as the mark, and the height of the filament wire is not lower than the top surface of the positioning plate.
Furthermore, the fine adjustment structure comprises jacks and chain blocks which are arranged at four corners of the positioning plate;
the jack with the specification of 5t is selected;
the chain block with the specification of 5t is selected as the chain block.
In the technical scheme, the utility model provides an assembled bridge tie roof embedded bar positioner and positioning method thereof has following beneficial effect:
the utility model discloses a positioner passes through the structural position sleeve of positioning disk and confirms embedded bar's mounted position and relative position according to the design requirement, can control embedded bar's protrusion length simultaneously, utilize the positioning disk structure can ensure the positioning accuracy of embedded bar on a pier stud, and two positioning disk structures then can keep the location of the embedded bar of two adjacent pier studs simultaneously, and guarantee the relative position between two pier studs under the effect of shaped steel truss, reduce the construction degree of difficulty, shorten construction cycle, improve construction quality.
The utility model discloses a positioner is used for fixed embedded bar's position and height, and the positioning process is quick accurate, and positioner's use produces the disturbance to embedded bar position when avoiding concrete placement, greatly improves the construction speed, practices thrift construction cost.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is a front view of an assembled bridge tie beam top embedded steel bar positioning device provided by the embodiment of the utility model;
fig. 2 is the embodiment of the utility model provides an assembled bridge system roof beam top embedded bar positioner's top view.
Description of reference numerals:
1. a section steel truss; 2. a positioning plate structure;
101. the truss is provided with an upper inserted rod; 102. a lower inserted rod of the truss; 103. a connecting rod;
201. positioning a plate; 202. and (6) positioning the sleeve.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
See fig. 1-2;
first, the first embodiment specifically discloses a positioning device for positioning embedded steel bars of a tie beam top of an assembled bridge.
The utility model discloses an assembled bridge tie roof embedded bar positioner, this positioner includes:
a steel truss 1; and
positioning disc structures 2 arranged at two ends of the steel truss 1;
the surface of the positioning disc structure 2 is fixedly connected with a plurality of positioning sleeves 202, and the positioning sleeves 202 are hollow to form a steel bar through channel;
the positioning disc structure 2 is arranged at the upper end of the pier stud, and the embedded steel bars of the pier stud penetrate through the positioning sleeve 202 to be positioned through the positioning sleeve 202;
the two positioning disc structures 2 are determined by the steel section truss 1 to keep the relative position of two adjacent piers.
Specifically, the positioner of this embodiment one mainly includes positioning disk structure 2 and shaped steel truss 1, because the positioner of this embodiment one can accomplish the location of the embedded bar of single pier stud on the one hand, mainly through positioning disk structure 2, on the other hand then can fix a position adjacent pier stud, mainly keeps two positioning disk structure 2's relative position through shaped steel truss 1 to can confirm the relative position between two adjacent pier studs. The positioning disk structure 2 of this embodiment one has the positioning sleeve 202 that matches with the embedded bar position and the quantity of pier stud, can ensure through positioning sleeve 202 that the embedded bar position of embedded bar satisfies technological requirement and design requirement.
Preferably, the medium-sized steel truss 1 of the present embodiment includes:
a truss lower chord 102 at the bottom; and
a truss upper hallow rod 101 disposed above the truss lower hallow rod 102;
the truss lower connecting rod 102 and the truss upper connecting rod 101 are connected into a whole through a connecting rod 103;
the truss lower connecting rod 102 is 20a channel steel;
the truss upper connecting rod 101 is made of I10I-shaped steel;
the distance between the truss upper inserted rod 101 and the truss lower inserted rod 102 is 780mm, and the length of the steel truss 1 is 12000 mm.
The structure of the section steel truss 1 is described in detail, and comprises a truss lower inserted rod 102 made of channel steel and a truss upper inserted rod 101 made of I-steel, wherein the truss lower inserted rod and the truss upper inserted rod are connected into a whole by connecting rods 103 which are arranged in a staggered mode after the truss lower inserted rod and the truss upper inserted rod are kept at a distance of 780 mm.
Preferably, the positioning plate structure 2 in the present embodiment includes:
the positioning plate 201 is of a square structure, and the middle part of the positioning plate 201 is hollowed out to form a square ring structure; and
positioning sleeves 202 arranged at intervals along the circumferential direction of the positioning plate 201;
one end of the positioning sleeve 202 is fixedly connected with the positioning plate 201, the other end of the positioning sleeve 202 extends upwards along the vertical direction, and the positioning sleeve 202 penetrates through the positioning plate 201.
The positioning plate 201 comprises two steel plates with the thickness of 12mm, and the size of the positioning plate 201 is 2000x2000 mm.
Further, the method comprises the following steps:
the positioning sleeve 202 is a steel pipe with an outer diameter of 63mm, a wall thickness of 10mm and an inner diameter of 43mm, and the height of the positioning sleeve 202 is not less than 270 mm.
Preferably, the distance between adjacent positioning sleeves 202 in this embodiment is used as a through channel for the truss lower inserted rod 102 of the steel truss 1.
In the second embodiment, a positioning method based on a positioning device is disclosed in the second embodiment.
The utility model discloses an assembled bridge tie roof embedded bar positioning method, this positioning method mainly includes following step:
s101, manufacturing the positioning device according to construction requirements and design drawings;
s102, after tying of tie beam steel bars is completed, hoisting the single positioning disc structure 2 to a designated position at the upper end of one pier stud by using a crane, and positioning the positioning disc structure 2 at an elevation position and a plane position through a total station;
s103, pre-buried steel bars of the pier stud penetrate through the positioning sleeve 202 from the bottom of the positioning disc structure 2, and the top surface of the pre-buried steel bars is enabled to be flush with the upper end surface of the positioning sleeve 202;
s104, repeating the step S102 and the step S103, and mounting another positioning disc structure 2 at the upper end of an adjacent pier column;
s105, after the positioning disc structures 2 are in place, connecting the two positioning disc structures 2 by using the steel truss 1, and installing a tie beam side formwork;
s106, determining a transverse axis of the tie beam and a longitudinal axis corresponding to the pier stud position by using a total station, and marking by using a filament yarn;
s107, measuring the longitudinal center and the transverse center of the positioning disc on the positioning disc structure 2 by using a steel ruler, and marking by using a thin line marking pen;
s108, mounting fine adjustment mechanisms at four corners of the positioning plate 201, and adjusting the positioning plate structure 2 through the fine adjustment mechanisms to ensure that the center line of the positioning plate is superposed with the center line of the tie beam;
s109, after the accurate positioning of the embedded steel bars is completed, concrete begins to be poured, and after the concrete is poured and the strength meets the design requirements, the positioning device is detached.
Preferably, in step S106 of this embodiment, a filament mark with a diameter of 0.2mm is selected, and the height of the filament is not lower than the top surface of the positioning plate 201.
Preferably, the fine tuning structure in this embodiment is a jack and a chain block installed at four corners of the positioning plate 201;
the jack with the specification of 5t is selected;
the chain block is a 5t chain block.
In the technical scheme, the utility model provides an assembled bridge tie roof embedded bar positioner and positioning method thereof has following beneficial effect:
the utility model discloses a positioner passes through the position sleeve 202 on the positioning disk structure 2 and confirms the mounted position and the relative position of embedded bar according to the design requirement, can control embedded bar's protrusion length simultaneously, utilize positioning disk structure 2 can ensure the positioning accuracy of embedded bar on a pier stud, and two positioning disk structures 2 then can keep the location of the embedded bar of two adjacent pier studs simultaneously, and guarantee the relative position between two pier studs under shaped steel truss 1's effect, reduce the construction degree of difficulty, shorten construction cycle, improve construction quality.
The utility model discloses a positioner is used for fixed embedded bar's position and height, and the positioning process is quick accurate, and positioner's use produces the disturbance to embedded bar position when avoiding concrete placement, greatly improves the construction speed, practices thrift construction cost.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (6)
1. Prefabricated bridge tied beam top embedded steel bar positioner, its characterized in that, this positioner includes:
a steel truss (1); and
positioning disc structures (2) arranged at two ends of the section steel truss (1);
the surface of the positioning disc structure (2) is fixedly connected with a plurality of positioning sleeves (202), and the positioning sleeves (202) are hollow to form a steel bar through channel;
the positioning disc structure (2) is arranged at the upper end of the pier stud, and embedded steel bars of the pier stud penetrate through the positioning sleeve (202) to be positioned through the positioning sleeve (202);
the two positioning disc structures (2) determine relative positions through the steel section truss (1) so as to keep the relative positions of two adjacent piers.
2. The fabricated bridge girder system roof embedded steel bar positioning device according to claim 1, wherein the section steel truss (1) comprises:
a truss lower hollow rod (102) positioned at the bottom; and
a truss upper hallow rod (101) arranged above the truss lower hallow rod (102);
the truss lower inserted rod (102) and the truss upper inserted rod (101) are connected into a whole through a connecting rod (103);
the lower inserted rod (102) of the truss is a 20a channel steel;
the upper connecting rod (101) of the truss is made of I10I-shaped steel;
the distance between the upper inserted rod (101) of the truss and the lower inserted rod (102) of the truss is 780mm, and the length of the section steel truss (1) is 12000 mm.
3. The assembly type bridge tied roof embedded steel bar positioning device according to claim 1, wherein the positioning disc structure (2) comprises:
the positioning plate (201) is of a square structure, and the middle part of the positioning plate (201) is hollowed out to form a square ring structure; and
positioning sleeves (202) arranged at intervals along the circumferential direction of the positioning disc (201);
one end of the positioning sleeve (202) is fixedly connected with the positioning disc (201), the other end of the positioning sleeve (202) extends upwards along the vertical direction, and the positioning sleeve (202) penetrates through the positioning disc (201).
4. The device for positioning embedded steel bars at the top of an assembled bridge system beam as claimed in claim 3, wherein the positioning disc (201) comprises two steel plates with the thickness of 12mm, and the size of the positioning disc (201) is 2000x2000 mm.
5. The device for positioning the embedded steel bars at the top of the assembled bridge system beam as claimed in claim 3, wherein the positioning sleeve (202) is a steel pipe with an outer diameter of 63mm, a wall thickness of 10mm and an inner diameter of 43mm, and the height of the positioning sleeve (202) is not less than 270 mm.
6. The device for positioning embedded steel bars at the top of an assembled bridge system beam as claimed in claim 3, wherein the distance between the adjacent positioning sleeves (202) is used as a through channel for the truss lower inserted rod (102) of the section steel truss (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120567052.2U CN214783319U (en) | 2021-03-19 | 2021-03-19 | Positioning device for pre-embedded steel bars on top of tie beams of prefabricated bridges |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120567052.2U CN214783319U (en) | 2021-03-19 | 2021-03-19 | Positioning device for pre-embedded steel bars on top of tie beams of prefabricated bridges |
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| Publication Number | Publication Date |
|---|---|
| CN214783319U true CN214783319U (en) | 2021-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120567052.2U Expired - Fee Related CN214783319U (en) | 2021-03-19 | 2021-03-19 | Positioning device for pre-embedded steel bars on top of tie beams of prefabricated bridges |
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| CN (1) | CN214783319U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113005915A (en) * | 2021-03-19 | 2021-06-22 | 中交四公局第三工程有限公司 | Positioning device and positioning method for embedded steel bars at top of assembled bridge tied beam |
-
2021
- 2021-03-19 CN CN202120567052.2U patent/CN214783319U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113005915A (en) * | 2021-03-19 | 2021-06-22 | 中交四公局第三工程有限公司 | Positioning device and positioning method for embedded steel bars at top of assembled bridge tied beam |
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Granted publication date: 20211119 |
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| CF01 | Termination of patent right due to non-payment of annual fee |