CN211548393U - Screw rod type double-constraint steel bar positioning device - Google Patents
Screw rod type double-constraint steel bar positioning device Download PDFInfo
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- CN211548393U CN211548393U CN201922031616.6U CN201922031616U CN211548393U CN 211548393 U CN211548393 U CN 211548393U CN 201922031616 U CN201922031616 U CN 201922031616U CN 211548393 U CN211548393 U CN 211548393U
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- screw rod
- positioner
- lead screw
- screw
- protective cap
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Abstract
The utility model discloses a screw rod type double-restraint reinforcing steel bar positioning device, which comprises a first screw rod, a second screw rod, a threaded connection sleeve, a protective cap, a base plate and at least two positioners; the first end of the first screw rod is screwed with the inside of the first end of the threaded connecting sleeve, and the first end of the second screw rod is screwed with the inside of the second end of the threaded connecting sleeve; the first end of the protective cap is sleeved on the second end of the first screw rod, and the second end of the protective cap is tightly propped against the template; the first end of the backing plate is sleeved on the second end of the second screw rod, and the second end of the backing plate is abutted against the template; the positioner is used for being clamped on the reinforcement cage to prevent the positioning device from moving relative to the reinforcement cage; the utility model provides a steel reinforcement cage outside concrete protective layer's thickness definite problem, can effectively guarantee structure construction quality, avoid the reinforcing bar to expose, can effectively strengthen major structure's durability.
Description
Technical Field
The utility model belongs to the technical field of the engineering construction, concretely relates to two restraint reinforcing bar positioner of screw-rod type.
Background
In the prior art, when concrete is poured, a reinforcement cage needs to be bound firstly, then a template is laid outside the reinforcement cage to wrap the reinforcement cage, and then the concrete is poured between the templates to form a reinforced concrete structure;
however, in the actual process of construction, the distance between the template and the reinforcement cage needs to be controlled within a certain range, so that the position of the reinforcement cage is prevented from deviating, or the reinforcement is prevented from being exposed out of the concrete structure;
in order to avoid the above situations, in the prior art, generally, a cushion block (made of plastic or concrete) is arranged between a reinforcement cage and a template, and the cushion block is bound by an iron wire and then is arranged between the reinforcement cage and the template, so that the defect that the cushion block is easy to fall off is overcome;
the length of the positioning rib is determined in advance according to the reinforcement cages with different widths by adopting the positioning rib; then, the positioning ribs are welded on the reinforcement cage by adopting an electric welding process, so that the two ends of the positioning ribs respectively abut against the templates on the two sides, and the defect is that the welding operation is troublesome; waterproof materials which are easy to burn are welded, and hidden danger of water leakage exists; and positioning ribs with different lengths need to be manufactured to adapt to reinforcement cages with different widths.
In order to solve the problems, a screw rod type double-restraint reinforcing steel bar positioning device is developed by the inventor.
Disclosure of Invention
The utility model aims at providing a two restraint reinforcing bar positioner of lead screw formula for solving above-mentioned problem.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
two restraint reinforcing bar positioner of screw-type includes:
a first lead screw;
a second lead screw;
the sleeve is connected by screw thread; the first end of the first screw rod is screwed with the inside of the first end of the threaded connecting sleeve, and the first end of the second screw rod is screwed with the inside of the second end of the threaded connecting sleeve;
a protective cap; the first end of the protective cap is sleeved on the second end of the first screw rod, and the second end of the protective cap is tightly propped against the template;
a base plate; the first end of the backing plate is sleeved on the second end of the second screw rod, and the second end of the backing plate is abutted against the template;
at least two locators; the locator is used for the joint on the steel reinforcement cage, avoids positioner for the removal of steel reinforcement cage.
The beneficial effects of the utility model reside in that:
the utility model discloses a lead screw type double-restraint reinforcing steel bar positioning device;
1. the problem of the thickness of steel reinforcement cage outside concrete protection layer confirm is solved, structure construction quality can be effectively guaranteed, the reinforcing bar is avoided exposing, the durability of major structure can be effectively strengthened.
Drawings
FIG. 1 is a schematic structural diagram of the present application;
FIG. 2 is a schematic view of the mounting structure of the present application;
in the figure: 1-a first screw rod; 2-a second screw rod; 3, connecting the sleeve by screw thread; 4, a positioner; 5, a protective cap; 6, a backing plate; 7, template; 8-vertical reinforcing steel bars; 9-longitudinal reinforcing steel bars.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
as shown in fig. 1 and 2;
two restraint reinforcing bar positioner of screw-type includes:
a first lead screw 1;
a second screw rod 2;
a threaded connection sleeve 3; the first end of the first screw rod 1 is screwed with the inside of the first end of the threaded connecting sleeve 3, and the first end of the second screw rod 2 is screwed with the inside of the second end of the threaded connecting sleeve 3;
a protective cap 5; the first end of the protective cap 5 is sleeved on the second end of the first screw rod 1, and the second end of the protective cap 5 is tightly propped against the template 7;
a backing plate 6; the first end of the backing plate 6 is sleeved on the second end of the second screw rod 2, and the second end of the backing plate 6 is tightly propped against the template 7;
at least two locators 4; locator 4 is used for the joint on the steel reinforcement cage, avoids positioner for the removal of steel reinforcement cage.
The length of the positioning device can be controlled according to the length of the threaded connection sleeve 3, so that the positioning device is suitable for reinforcement cages with different widths or concrete buildings with different widths and thicknesses; the specific adjusting method comprises the following steps: firstly, fixing the threaded connection sleeve 3 by hand, and then rotating the first lead screw 1 or the second lead screw 2, wherein the first lead screw 1 or the second lead screw 2 is rotated outwards, so that the overall length of the positioning device can be increased, and the first lead screw 1 or the second lead screw 2 is rotated inwards, so that the overall length of the positioning device can be reduced;
in order to enable the positioner 4 to clamp the steel bars on the steel bar cage, the positioner 4 needs to be rotated on the first screw rod 1 or the second screw rod 2 by a proper angle in advance, so that enough space is adjusted to clamp the steel bars on the steel bar cage;
the backing plate 6 can increase the contact area with the template 7 and prevent the waterproof material from being punctured; the protective cap 5 is arranged to prevent rib leakage and avoid influencing the appearance and quality of concrete;
in the embodiment, the thickness of the concrete layer on the surface of the steel reinforcement cage can be adjusted by adjusting the length of the first screw rod 1 or the second screw rod 2 extending out of the surface of the steel reinforcement cage;
in the embodiment, the two locators 4 are selected to respectively hoop the reinforcing steel bars on two sides of the reinforcement cage from the outer side to the inner side; or the reinforcing steel bars on the two sides of the reinforcing cage are extruded outwards from the inner side;
the number of the positioners 4 is four, a first positioner and a second positioner are rotatably sleeved on the first screw rod 1, a third positioner and a fourth positioner are rotatably sleeved on the second screw rod 2, and the first positioner and the second positioner are combined and then used for clamping a longitudinal steel bar 9; the third locator and the fourth locator are combined to clamp another longitudinal steel bar 9.
In the embodiment, two groups of positioners 4 are respectively adopted to clamp two longitudinal steel bars 9 on two side walls of the steel reinforcement cage, so that the purpose of limiting the width of the steel reinforcement cage or fixing the steel reinforcement cage is achieved;
by adopting the arrangement of the embodiment, the function of hooping or pulling rods in the prior art can be achieved, so that the distance between the steel bar rows is artificially limited.
In some embodiments, the first locator and the second locator are combined to clamp a vertical steel bar 8; the third locator and the fourth locator are combined to clamp another vertical steel bar 8.
In some embodiments, the first locator and the second locator are combined to clamp a vertical steel bar 8; the third locator and the fourth locator are combined to clamp a longitudinal steel bar 9.
In some embodiments, the first locator and the second locator are combined to clamp a longitudinal steel bar 9; the third locator and the fourth locator are combined to clamp a vertical steel bar 8.
In some embodiments, more than four even number of locators may be selected, and each two locators constitute a group for clamping a longitudinal bar 9 or a vertical bar 8;
the positioner 4 comprises a nut and a stop lever, the stop lever is fixedly connected with one side wall of the nut, the nut is rotatably sleeved on the first lead screw 1 or the second lead screw 2, the stop lever is perpendicular to the first lead screw 1 or the second lead screw 2, and the two stop levers are used for clamping the longitudinal steel bar 9.
The stop lever is arranged for conveniently clamping the positioner 4 and the longitudinal steel bar 9;
an internal thread is arranged in the first end of the protective cap 5, and the protective cap 5 is rotatably connected to the second end of the first screw rod 1; an internal thread is arranged in the first end of the backing plate 6, and the first end of the backing plate 6 is rotatably connected to the second end of the second screw rod 2.
According to the thickness of the side wall, lead screws with the types of phi 12, phi 14, phi 16, phi 18 and the like can be adopted, and the lead screws can be customized in a factory;
the foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. Two restraint reinforcing bar positioner of screw-type, its characterized in that includes:
a first lead screw;
a second lead screw;
the sleeve is connected by screw thread; the first end of the first screw rod is screwed with the inside of the first end of the threaded connecting sleeve, and the first end of the second screw rod is screwed with the inside of the second end of the threaded connecting sleeve;
a protective cap; the first end of the protective cap is sleeved on the second end of the first screw rod, and the second end of the protective cap is tightly propped against the template;
a base plate; the first end of the backing plate is sleeved on the second end of the second screw rod, and the second end of the backing plate is abutted against the template;
at least two locators; the locator is used for the joint on the steel reinforcement cage, avoids positioner for the removal of steel reinforcement cage.
2. The lead screw type double-constraint steel bar positioning device according to claim 1, wherein the number of the positioners is four, the first positioner and the second positioner are rotatably sleeved on the first lead screw, the third positioner and the fourth positioner are rotatably sleeved on the second lead screw, and the first positioner and the second positioner are combined to clamp a longitudinal steel bar; the third locator and the fourth locator are combined and then used for clamping another longitudinal steel bar.
3. The lead screw type double-restraint reinforcing steel bar positioning device according to any one of claims 1 or 2, wherein the positioner comprises a nut and a stop lever, the stop lever is fixedly connected with one position of the side wall of the nut, the nut is rotatably sleeved on the first lead screw or the second lead screw, the stop lever is perpendicular to the first lead screw or the second lead screw, and the two stop levers are used for clamping longitudinal reinforcing steel bars.
4. The screw-type dual-restraint rebar positioning device as claimed in claim 3, wherein internal threads are formed in a first end of the protective cap, and the protective cap is rotatably connected to a second end of the first screw; an internal thread is arranged in the first end of the backing plate, and the first end of the backing plate is rotatably connected to the second end of the second screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922031616.6U CN211548393U (en) | 2019-11-21 | 2019-11-21 | Screw rod type double-constraint steel bar positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922031616.6U CN211548393U (en) | 2019-11-21 | 2019-11-21 | Screw rod type double-constraint steel bar positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211548393U true CN211548393U (en) | 2020-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922031616.6U Active CN211548393U (en) | 2019-11-21 | 2019-11-21 | Screw rod type double-constraint steel bar positioning device |
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| Country | Link |
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| CN (1) | CN211548393U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112901021A (en) * | 2021-01-19 | 2021-06-04 | 陕西中天建筑工业有限公司 | Prefabricated bay window and processing technology thereof |
| CN113897839A (en) * | 2021-08-26 | 2022-01-07 | 中交广州航道局有限公司 | Plug-in type steel bar positioner |
| CN114197864A (en) * | 2021-12-17 | 2022-03-18 | 中建八局第四建设有限公司 | Column cap staggered platform template for guaranteeing thickness of column reinforcement protective layer |
-
2019
- 2019-11-21 CN CN201922031616.6U patent/CN211548393U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112901021A (en) * | 2021-01-19 | 2021-06-04 | 陕西中天建筑工业有限公司 | Prefabricated bay window and processing technology thereof |
| CN113897839A (en) * | 2021-08-26 | 2022-01-07 | 中交广州航道局有限公司 | Plug-in type steel bar positioner |
| CN114197864A (en) * | 2021-12-17 | 2022-03-18 | 中建八局第四建设有限公司 | Column cap staggered platform template for guaranteeing thickness of column reinforcement protective layer |
| CN114197864B (en) * | 2021-12-17 | 2023-02-17 | 中建八局第四建设有限公司 | Column cap staggered platform template for guaranteeing thickness of column reinforcement protective layer |
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