CN211596361U - Accurate positioner for pier body pad stone preformed hole - Google Patents
Accurate positioner for pier body pad stone preformed hole Download PDFInfo
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- CN211596361U CN211596361U CN201922268968.3U CN201922268968U CN211596361U CN 211596361 U CN211596361 U CN 211596361U CN 201922268968 U CN201922268968 U CN 201922268968U CN 211596361 U CN211596361 U CN 211596361U
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- preformed hole
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Abstract
The utility model discloses a pier shaft base stone preformed hole accurate positioning ware, including being used for the positioning steel plate that links to each other with base stone embedded reinforcement spot welding, a central locating hole and four cartridge holes, every have been seted up on the positioning steel plate the downthehole equal activity cartridge of cartridge has one and the corresponding columnar body of base stone preformed hole position. The utility model discloses simple structure, easily processing, be convenient for operation, can use repeatedly, it not only can carry out the accurate positioning to the base stone preformed hole, moreover because it welds together with base stone embedded steel bar point, consequently can effectively stop its phenomenon that takes place to shift at concrete placement and the process of vibrating, has avoided follow-up reworking operation, has saved manpower and materials consumption, has improved production efficiency, has guaranteed construction quality.
Description
Technical Field
The utility model belongs to the technical field of the bridge construction technique and specifically relates to a pier shaft base stone preformed hole accurate positioning ware is related to.
Background
Under the general condition, all install the base stone between bridge pier top and bridge beam supports to change the support when convenient bridge later maintenance. When carrying out the pier shaft and pouring, need pre-buried stone setting reinforcing bar in advance, simultaneously, keep somewhere in the pier shaft and be used for the later stage support to place the cushion stone preformed hole of construction. The following method is adopted to position the pad stone preformed hole at present: and (4) releasing the position of the reserved hole according to the measurement paying-off, then inserting the PVC pipeline into the pier cap steel bar, and then welding the positioning steel bar on the top layer of the pier cap to fix the PVC pipeline. Because the accuracy requirement of the frame beam on the cushion stone preformed hole is strict (the allowable deviation is 5 mm), and the PVC pipeline is easy to shift in the concrete pouring and vibrating process and has larger deviation from the designed position, a large amount of manpower and material resources are needed to process the preformed hole with the deviation in the follow-up process. Secondly, the above positioning method has the following defects: the method comprises the following steps of firstly, easily crushing a PVC pipeline in a concrete pouring process, feeding slurry into the pipeline, causing troubles in post-processing, secondly, removing the PVC pipeline in the later period, consuming manpower and material resources, and thirdly, correcting the center of a support when the PVC pipeline is embedded in advance is difficult.
Disclosure of Invention
In order to solve the problem, the utility model provides a pier shaft base stone preformed hole accurate positioning ware can adopt following technical scheme:
pier shaft base stone filler hole accurate positioning ware, including being used for the location steel sheet that links to each other with stone pad embedded reinforcement spot welding, a central locating hole and four cartridge holes, every have been seted up on the location steel sheet the downthehole equal activity cartridge of cartridge has one and the corresponding columnar body in stone pad preformed hole position.
The positioning steel plate is a rectangular plate, the central positioning hole corresponds to the center of the bridge bearing, the insertion holes are located at four corners of the rectangular plate, and the center distance of the insertion holes is matched with the size of the bridge bearing.
The rectangular plate is further provided with taking and placing holes located on two sides of the central positioning hole.
The cylindrical body is provided with a horizontal clamping plate.
The surface of the columnar body is sequentially provided with a butter smearing layer and a pearl wool coating layer.
The utility model provides a pier shaft base stone preformed hole accurate positioning ware, simple structure, easily processing, the operation of being convenient for, can use repeatedly, it not only can carry out the accurate positioning to the base stone preformed hole, moreover because it welds together with base stone embedded steel bar point, consequently can effectively stop its phenomenon that takes place to shift at concrete placement and vibration in-process, avoided follow-up reworking operation, saved manpower and materials consumption, improved production efficiency, guaranteed construction quality.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the positioning steel plate of fig. 1.
Fig. 3 is a schematic structural view of the cylinder in fig. 1.
Fig. 4 is a usage state diagram of the present invention.
Detailed Description
The following describes embodiments of the present invention in detail with reference to the drawings, which are implemented on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are provided, but the scope of the present invention is not limited to the following embodiments.
As shown in figures 1-4, pier shaft base stone preformed hole accurate positioning ware, including the location steel sheet 1 of rectangle, the center department of location steel sheet 1 has seted up central locating hole 2, and cartridge hole 3 has been seted up to four corners department. The positioning steel plate 1 is connected with the embedded reinforcing steel bars M of the base stone in a spot welding mode, the central positioning hole 2 corresponds to the design position of the center of the bridge support, the connecting line of the inserting holes 3 is rectangular, and the center distance of adjacent holes is matched with the size of the bridge support. In order to facilitate taking, two triangular taking holes 4 which are oppositely arranged are also formed in the positioning steel plate 1. The inserting holes 3 are used for inserting columnar bodies 5 corresponding to the positions of the cushion stone preformed holes, and after the pier body concrete is poured, the columnar bodies 5 are pulled out to form the cushion stone preformed holes. Generally, the cylindrical body 5 is made of steel bars. In order to position the insertion depth of the columnar body 5, a horizontal catch plate 6 is welded to the outer wall thereof.
During the concrete construction, the following steps are adopted:
firstly, placing a positioning steel plate 1 on a base stone embedded steel bar M to enable a central positioning hole 2 to correspond to the designed position of the center of a bridge support;
secondly, coating butter on the surface of the steel bar columnar body 5 and wrapping pearl wool;
thirdly, inserting the steel bar columnar bodies 5 into the four insertion holes 3 of the positioning steel plate 1, clamping the horizontal clamping plates 6 on the outer wall of the steel bar columnar bodies on the upper surface of the positioning steel plate 1, and positioning the steel bar columnar bodies 5 below the positioning steel plate 1 in the cushion embedded steel bars M;
fourthly, measuring and checking the position of the positioning steel plate 1, ensuring that the central positioning hole 2 of the positioning steel plate corresponds to the designed position of the center of the bridge support, and then spot-welding the positioning steel plate 1 and the embedded reinforcing steel bar M of the pad stone together;
and fifthly, pouring pier body concrete, then removing the positioning steel plate 1, continuously pouring the stone concrete, then taking out the steel bar columnar body 5, forming the preformed hole of the stone, and finishing construction.
Claims (5)
1. The utility model provides a pier shaft stone pad preformed hole accurate positioning ware which characterized in that: the positioning steel plate is connected with a cushion embedded steel bar in a spot welding mode, a central positioning hole and four inserting holes are formed in the positioning steel plate, and each inserting hole is internally movably inserted with a columnar body corresponding to the position of a cushion preformed hole.
2. The accurate locator of pier body stepping stone preformed hole of claim 1, characterized in that: the positioning steel plate is a rectangular plate, the central positioning hole corresponds to the center of the bridge bearing, the insertion holes are located at four corners of the rectangular plate, and the center distance of the insertion holes is matched with the size of the bridge bearing.
3. The accurate locator of pier body stepping stone preformed hole of claim 2, characterized in that: the rectangular plate is further provided with taking and placing holes located on two sides of the central positioning hole.
4. The accurate locator of pier body stepping stone preformed hole of claim 1, characterized in that: the cylindrical body is provided with a horizontal clamping plate.
5. The accurate locator of pier body stepping stone preformed hole of claim 1, characterized in that: the surface of the columnar body is sequentially provided with a butter smearing layer and a pearl wool coating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922268968.3U CN211596361U (en) | 2019-12-17 | 2019-12-17 | Accurate positioner for pier body pad stone preformed hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922268968.3U CN211596361U (en) | 2019-12-17 | 2019-12-17 | Accurate positioner for pier body pad stone preformed hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211596361U true CN211596361U (en) | 2020-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922268968.3U Active CN211596361U (en) | 2019-12-17 | 2019-12-17 | Accurate positioner for pier body pad stone preformed hole |
Country Status (1)
| Country | Link |
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| CN (1) | CN211596361U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112411358A (en) * | 2020-11-27 | 2021-02-26 | 中交二航局第四工程有限公司 | Concrete protective layer control positioning device at pier joint and construction process |
-
2019
- 2019-12-17 CN CN201922268968.3U patent/CN211596361U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112411358A (en) * | 2020-11-27 | 2021-02-26 | 中交二航局第四工程有限公司 | Concrete protective layer control positioning device at pier joint and construction process |
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