CN222810490U - A detachable positioning tool suitable for prefabricated column reinforcement - Google Patents
A detachable positioning tool suitable for prefabricated column reinforcement Download PDFInfo
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- CN222810490U CN222810490U CN202420914940.0U CN202420914940U CN222810490U CN 222810490 U CN222810490 U CN 222810490U CN 202420914940 U CN202420914940 U CN 202420914940U CN 222810490 U CN222810490 U CN 222810490U
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Abstract
The utility model provides a detachable positioning tool suitable for prefabricated column steel bars, which comprises a first steel plate, a second steel plate, bolts, nuts, clamping rings and positioning steel bars, wherein the first steel plate and the second steel plate form a frame-shaped structure, the two ends of the first steel plate and the second steel plate are respectively provided with a bolt hole, the bolts penetrate through the bolt holes and are fastened through the nuts, a plurality of clamping grooves which are arranged at intervals are respectively formed in the inner side edges of the first steel plate and the second steel plate, which are close to the prefabricated columns, and the clamping grooves and the positioning steel bars are matched for positioning the prefabricated column steel bars. According to the positioning tool, the positioning tool is split into four positioning steel plates by adopting the structural type of split design, the positioning steel plates are connected through bolts, so that the positioning tool is convenient to install and disassemble, the workload of workers is small, deformation is not easy to occur in the construction process, the tool is convenient to protect, and the cyclic utilization rate is high. On the other hand, the tooling has the advantages of small steel consumption and high utilization rate, and can effectively reduce engineering cost.
Description
Technical Field
The utility model belongs to the technical field of building construction, and particularly relates to a detachable positioning tool suitable for prefabricated column steel bars.
Background
The assembled concrete frame structure refers to an assembled concrete frame structure formed by connecting prefabricated concrete columns, beams, plates and other components in a reliable connection mode and forming a whole with post-cast concrete and cement-based grouting materials on site. The connecting node of the assembled concrete frame structure mainly comprises column-column nodes, beam-column nodes and beam-beam nodes, wherein the column-column nodes relate to the earthquake resistance and the structural collapse resistance of the whole structure, and the connecting node is the last defense line of the frame structure under the action of earthquake load and is extremely important.
The connection between the precast columns is usually realized by adopting a grouting sleeve connection mode, the grouting sleeve is pre-buried at the bottom of the upper precast column, the reinforcing steel bars of the lower precast column extend out of the cast-in-situ layer of the floor slab, and the reserved length ensures the anchoring length of the reinforcing steel bars in the grouting sleeve and the width of the lower splice seam of the precast column. During field installation, the lower extending steel bars are fixed through devices such as positioning steel plates, so that the lower extending steel bars correspond to sleeve positions of the upper prefabricated columns one by one.
However, the existing integral positioning steel plate with the overhanging reinforcing steel bars of the prefabricated columns has the defects that the integral positioning steel plate is difficult to install and detach. When the steel bar is deviated, the integral positioning steel plate is difficult to install and detach, workers are required to knock in with great effort, and the workload of the workers is great. 2. The integral positioning steel plate is easy to deform and has low cyclic utilization rate. The existing integral positioning steel plate is easy to deform in the mounting and dismounting process, and once the deformation occurs, the existing positioning steel plate needs to be scrapped, and 3, the integral positioning steel plate has large steel consumption and higher engineering cost.
Disclosure of utility model
The utility model aims to provide a detachable positioning tool for prefabricated column steel bars, which can solve the problems of difficult assembly and disassembly, low recycling rate and higher engineering cost of the existing integral positioning steel plate.
The detachable positioning tool for the prefabricated column steel bar comprises a first steel plate, a second steel plate, bolts, nuts, clamping rings and positioning steel bars, wherein the first steel plate and the second steel plate which are oppositely arranged form a frame-shaped structure with the shape matched with the outer contour of the cross section of the prefabricated column in a surrounding mode, the two ends of the first steel plate and the second steel plate are respectively provided with bolt holes, the bolts penetrate through the bolt holes and are fastened through the nuts, the inner side edges, close to the prefabricated column, of the first steel plate and the second steel plate are respectively provided with a plurality of clamping grooves which are arranged at intervals and are used for enabling the prefabricated column steel bar to vertically penetrate through, the clamping rings are respectively fixed on the top surfaces of the end portions of the first steel plate and the second steel plate, the positioning steel bars are located on the inner sides of the clamping grooves and used for limiting the prefabricated column steel bar, and the two ends of the positioning steel bar are respectively penetrated into the clamping rings located on the two opposite sides of the frame-shaped structure.
As a further preferable scheme, the length directions of the two first steel plates are parallel to each other, the length directions of the two second steel plates are parallel to each other, and the length directions of the first steel plates and the second steel plates are perpendicular to each other.
As a further preferable mode, the end part of the first steel plate is overlapped on the top surface of the end part of the second steel plate.
As a further preferable scheme, the detachable positioning tool further comprises a gasket, wherein a through hole for the bolt to pass through is formed in the gasket, and the gasket is clamped between the first steel plate and the nut.
As a further preferable scheme, the clamping ring is a U-shaped clamping ring, and the diameter of the positioning steel bar is matched with the diameter of the inner ring of the clamping ring.
As a further preferable scheme, the shape of the clamping groove is matched with that of the prefabricated column reinforcing steel bar, and the groove width of the clamping groove is slightly larger than the diameter of the prefabricated column reinforcing steel bar.
Compared with the prior art, the utility model has the beneficial effects that:
The utility model provides a detachable positioning tool which is used for positioning reinforcing steel bars of prefabricated columns when an upper prefabricated column and a lower prefabricated column are connected, and comprises a first steel plate, a second steel plate, bolts, nuts, clamping rings and positioning reinforcing steel bars, wherein bolt holes are formed in two ends of the first steel plate and the second steel plate, and a plurality of clamping grooves which are arranged at intervals are formed in the inner side edges, close to the prefabricated columns, of the first steel plate and the second steel plate. In the construction process, firstly, assembling the adjacent first steel plate and the adjacent second steel plate according to a steel bar positioning measuring line, fixing one corner by using bolts and nuts, further assembling the other parallel first steel plate and second steel plate, fixing four corners by using bolts and nuts, inserting positioning steel bars into clamping rings to ensure that the prefabricated column extends out of the steel bars to enter clamping grooves, finally pouring concrete, and after the concrete is formed, unscrewing the bolts to sequentially draw out the positioning steel bars, the first steel plate and the second steel plate.
Therefore, the positioning tool is divided into four positioning steel plates by adopting the structural style of the split design, the positioning steel plates are connected through bolts, the installation and the disassembly are convenient, the workload of workers is small, the deformation is not easy to generate in the construction process, the tool protection is convenient, and the cyclic utilization rate is high. On the other hand, the tooling has the advantages of small steel consumption and high utilization rate, and can effectively reduce engineering cost.
Drawings
Fig. 1 is a schematic perspective view of a detachable positioning tool according to an embodiment of the present utility model;
FIG. 2 is an exploded view of the removable fixture of FIG. 1;
FIG. 3 is a top view of the removable positioning tooling of FIG. 1;
fig. 4 is a schematic view of the positioning of the prefabricated column reinforcement using the detachable positioning tool shown in fig. 1.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "front," "rear," "vertical," "horizontal," "inner," "outer," and the like are merely for convenience of description and to simplify the description, but rather to indicate or imply that the apparatus or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model, the terms "first," "second," "third," are used for descriptive purposes only and should not be construed as indicating or implying relative importance, and furthermore, unless explicitly stated or limited otherwise, the terms "mounted," "connected," or "integrally connected" should be construed broadly, e.g., as being fixedly connected, as being detachably connected, as being directly connected, as being indirectly connected through intermediate mediums, as being in communication with the interiors of two components. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The precast column is connected with the precast column by adopting a grouting sleeve connection mode, and when in field installation, the lower extending reinforcing steel bars are fixed through devices such as positioning steel plates, so that the lower extending reinforcing steel bars correspond to sleeve positions of the upper precast column one by one. The existing prefabricated column overhanging steel bars are positioned by adopting integral positioning steel plates, so that the problems of difficult assembly and disassembly, low recycling rate and higher engineering cost exist.
In order to solve the above technical problems, this embodiment provides a detachable positioning tool suitable for prefabricating column steel bars, as shown in fig. 1 to 3, the detachable positioning tool 100 includes a first steel plate 1, a second steel plate 2, a bolt 3, a nut 4, a snap ring 5 and a positioning steel bar 6.
Two oppositely arranged first steel plates 1 and two oppositely arranged second steel plates 2 jointly enclose a frame-shaped structure (shown in fig. 4) with the shape matched with the outer periphery of the cross section of the prefabricated column 200. The joint of the first steel plate 1 and the second steel plate 2 is overlapped up and down, namely, the end part of the first steel plate 1 is overlapped on the top surface of the end part of the second steel plate 2. Bolt holes 7 are formed in the two ends of the first steel plate 1 and the second steel plate 2, bolts 3 penetrate through the bolt holes 7 and are fastened through nuts 4, and a plurality of clamping grooves 8 which are arranged at intervals are formed in the inner side edges, close to the precast columns 200, of the first steel plate 1 and the second steel plate 2 respectively so that precast column steel bars 201 vertically penetrate through the precast columns.
Specifically, all be fixed with snap ring 5 on the tip top surface of steel sheet 1 and steel sheet 2 No. two, locating steel bar 6 is located draw-in groove 8 inboard for it is spacing for prefabricating post reinforcing bar 201, and the both ends of locating steel bar 6 wear to establish respectively in the snap ring 5 that is located the opposite both sides of frame-like structure, and the diameter 20 mm's reinforcing bar is used as locating steel bar 6 in this embodiment.
In some preferred embodiments, the length directions of the two first steel plates 1 are parallel to each other, the length directions of the two second steel plates 2 are parallel to each other, and the length directions of the first steel plates 1 and the second steel plates 2 are perpendicular to each other. Through the design, the frame-shaped structure can form a rectangular frame, and the frame-shaped structure is particularly suitable for positioning square prefabricated column steel bars 201.
In some preferred embodiments, the positioning tool further comprises a gasket 9, the gasket 9 is provided with a through hole for the bolt 3 to pass through, the gasket 9 is clamped between the first steel plate 1 and the nut 4, and the gasket 9 is additionally arranged to prevent the nut 4 from loosening, so that the structural stability of the positioning tool can be improved. Specifically, the snap ring 5 is a U-shaped snap ring, the diameter of the positioning steel bar 6 is matched with the diameter of the inner ring of the snap ring 5, and the snap ring 5 can be fixed on the top surface of the end part of the first steel plate 1 in a welding mode.
In some preferred embodiments, the shape of the clamping groove 8 matches the shape of the pre-column rebar 201, and the groove width of the clamping groove 8 is slightly larger than the diameter of the pre-column rebar 201 so that the pre-column rebar 201 can pass smoothly through the clamping groove 8.
In the construction process, firstly, assembling the adjacent first steel plate 1 and the second steel plate 2 according to a steel bar positioning measuring line, fixing one corner by using a bolt 3 and a nut 4, further assembling the other parallel first steel plate 1 and the second steel plate 2, fixing four corners by using the bolt 3 and the nut 4, then inserting a positioning steel bar 6 into a clamping ring 5 to ensure that the prefabricated column steel bar 201 enters a clamping groove 8, finally pouring concrete, and after the concrete is formed, unscrewing the bolt 3, and sequentially extracting the positioning steel bar 6, the first steel plate 1 and the second steel plate 2.
To sum up, the location frock of this embodiment is through the structural style that adopts the split design, will fix a position the frock split and become four location steel sheets, and each location steel sheet passes through bolted connection, and the installation is convenient with dismantling, and workman's work load is little, and is difficult for producing the deformation in the work progress, and the frock protection is convenient, and cyclic utilization rate is high. On the other hand, the tool of the embodiment has small steel consumption and high utilization rate, and can effectively reduce engineering cost.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (6)
1. The detachable positioning tool suitable for the prefabricated column steel bars is characterized by comprising a first steel plate, a second steel plate, bolts, nuts, clamping rings and positioning steel bars, wherein the first steel plate and the second steel plate which are oppositely arranged form a frame-shaped structure with the shape matched with the outer contour of the cross section of the prefabricated column in a surrounding mode, the two ends of the first steel plate and the second steel plate are provided with bolt holes, the bolts penetrate through the bolt holes and are fastened through the nuts, the inner side edges, close to the prefabricated column, of the first steel plate and the second steel plate are provided with clamping grooves which are arranged at intervals for the prefabricated column steel bars to vertically penetrate through, the clamping rings are fixed on the top surfaces of the end portions of the first steel plate and the second steel plate, the positioning steel bars are located on the inner sides of the clamping grooves and used for limiting the prefabricated column steel bars, and the two ends of the positioning steel bars are respectively penetrated into the clamping rings located on the two opposite sides of the frame-shaped structure.
2. The detachable positioning tool according to claim 1, wherein the length directions of the two first steel plates are parallel to each other, the length directions of the two second steel plates are parallel to each other, and the length directions of the first steel plates and the second steel plates are perpendicular to each other.
3. The detachable positioning tool of claim 1, wherein the end of the first steel plate is overlapped on the top surface of the end of the second steel plate.
4. The detachable positioning tool according to claim 3, further comprising a spacer, wherein a through hole is formed in the spacer for the bolt to pass through, and the spacer is sandwiched between the first steel plate and the nut.
5. The detachable positioning tool according to claim 1, wherein the clamping ring is a U-shaped clamping ring, and the diameter of the positioning steel bar is matched with the diameter of the inner ring of the clamping ring.
6. The detachable positioning tool according to claim 1, wherein the shape of the clamping groove is matched with the shape of the prefabricated column steel bar, and the groove width of the clamping groove is slightly larger than the diameter of the prefabricated column steel bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420914940.0U CN222810490U (en) | 2024-04-28 | 2024-04-28 | A detachable positioning tool suitable for prefabricated column reinforcement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420914940.0U CN222810490U (en) | 2024-04-28 | 2024-04-28 | A detachable positioning tool suitable for prefabricated column reinforcement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222810490U true CN222810490U (en) | 2025-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420914940.0U Active CN222810490U (en) | 2024-04-28 | 2024-04-28 | A detachable positioning tool suitable for prefabricated column reinforcement |
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| Country | Link |
|---|---|
| CN (1) | CN222810490U (en) |
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- 2024-04-28 CN CN202420914940.0U patent/CN222810490U/en active Active
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Effective date of registration: 20251030 Address after: 510000 Guangdong Province Guangzhou City Baiyun District Qide Road No. 36 Self-compiled S-1 Building 5th Floor Room 538 Patentee after: China Construction Technology Group South China Co.,Ltd. Country or region after: China Patentee after: China Construction Technology Group Co.,Ltd. Patentee after: Shenzhen Shenshan Special Cooperation Zone China Construction Technology Co.,Ltd. Address before: 510000 Guangdong Province Guangzhou City Baiyun District Qide Road No. 36 Self-compiled S-1 Building 5th Floor Room 538 Patentee before: China Construction Technology Group South China Co.,Ltd. Country or region before: China Patentee before: China Construction Technology Group Co.,Ltd. |
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