CN110206317B - Tool for enlarging steel bar spacing - Google Patents
Tool for enlarging steel bar spacing Download PDFInfo
- Publication number
- CN110206317B CN110206317B CN201910531971.1A CN201910531971A CN110206317B CN 110206317 B CN110206317 B CN 110206317B CN 201910531971 A CN201910531971 A CN 201910531971A CN 110206317 B CN110206317 B CN 110206317B
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- tool
- shaped supporting
- supporting legs
- interval
- groove
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/12—Mounting of reinforcing inserts; Prestressing
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
The invention relates to the technical field of building construction, in particular to a tool for enlarging the spacing between reinforcing steel bars, wherein two ends of a mounting seat are hinged with an L-shaped supporting leg, 2L-shaped supporting legs are arranged to be symmetrical back to back, a groove is formed between the tops of the L-shaped supporting legs, a rotating block is fixed at one end provided with a screw rod, and the other end of the screw rod penetrates through the mounting seat to be fixedly connected with a pressing block positioned in the groove; arc-shaped grooves are symmetrically formed in the lower parts of the 2L-shaped supporting legs, so that before concrete pouring, the 2L-shaped supporting legs can be used for supporting the 2 steel bars close to each other by screwing down the rotating block, the smaller intervals among the steel bars are enlarged to the size of the corresponding coarse aggregate particle size, the aggregates can fall smoothly, the problem that the aggregates cannot fall when the concrete is poured in a construction site is effectively solved, and the concrete pouring quality is guaranteed; the tool does not occupy the construction period, is simple and convenient to construct, is easy to operate, is suitable for any construction environment, needs few materials, is low in construction material cost and has strong practicability.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a tool for enlarging the space between reinforcing steel bars.
Background
In the construction of the existing reinforced concrete structure, in order to meet the requirement of structural design safety, main reinforcing steel bars in partial concrete are more in arrangement and are arranged too densely, and particularly, the distance between stressed reinforcing steel bars at the positions of the nodes of a plate, a secondary beam and a main beam is only 3-5 mm, so that coarse aggregate in concrete cannot fall down through the distance between the reinforcing steel bars in the concrete pouring process, the concrete pouring quality problem occurs, and the structural potential safety hazard is caused, which is not expected by technical personnel in the field.
Disclosure of Invention
Aiming at the existing problems, the invention discloses a tool for enlarging the space between reinforcing steel bars, which comprises a mounting seat, a rotating block, a screw rod, a pressing block and 2L-shaped supporting legs;
the two ends of the mounting seat are hinged with the L-shaped supporting legs, 2L-shaped supporting legs are symmetrically arranged back to back, a groove is formed between the tops of the 2L-shaped supporting legs, and a pressing block is arranged in the groove;
a rotating block is fixed at one end of the screw rod, a threaded hole matched with the screw rod is formed in the mounting seat, and the other end of the screw rod penetrates through the mounting seat through the threaded hole to be fixedly connected with the pressing block;
arc-shaped grooves are symmetrically formed in the lower portions of the 2L-shaped supporting legs.
The tool for enlarging the interval of the steel bars is characterized in that notches are arranged at the corners of the tops of the 2L-shaped supporting legs, and the notches of the 2L-shaped supporting legs are spliced to form the grooves.
The tool for enlarging the interval between the steel bars is characterized in that the groove is a triangular groove, and the pressing block is a triangular pressing block.
The tool for enlarging the space between the steel bars is characterized in that the mounting seat comprises a front plate, a rear plate and a top plate for connecting the front plate and the rear plate together;
the L-shaped supporting legs comprise cross rods and vertical rods which are positioned at the lower parts of the cross rods and connected to the end parts of the cross rods;
the front plate and the rear plate are connected with pin shafts, and 2 cross rods of the L-shaped supporting legs are arranged between the front plate and the rear plate through the pin shafts.
The above tool for enlarging the interval between the reinforcing steel bars is characterized in that the width of the part, below the arc-shaped groove, of the vertical rod is gradually reduced from top to bottom.
The tool for enlarging the interval between the steel bars is characterized in that the front plate, the rear plate and the top plate are all steel plates.
The tool for enlarging the interval between the steel bars is characterized in that the top plate is connected with the front plate and the rear plate in a welding mode.
The tool for enlarging the interval of the steel bars is characterized in that the L-shaped supporting legs are of an integrated structure.
The tool for enlarging the interval between the steel bars is characterized in that the screw rod is connected with the rotating block and the pressing block in a welding mode.
In the tool for enlarging the space between the steel bars, the rotating block is circular or elliptical.
The invention has the following advantages or beneficial effects:
the invention discloses a tool for enlarging the spacing between reinforcing steel bars, wherein two ends of a mounting seat are hinged with an L-shaped supporting leg, 2L-shaped supporting legs are arranged to be symmetrical back to back, a groove is formed between the tops of the L-shaped supporting legs, a rotating block is fixed at one end provided with a screw rod, and the other end of the screw rod penetrates through the mounting seat to be fixedly connected with a pressing block positioned in the groove; arc-shaped grooves are symmetrically formed in the lower parts of the 2L-shaped supporting legs, so that before concrete pouring, the 2L-shaped supporting legs can be used for supporting the 2 steel bars close to each other by screwing down the rotating block, the smaller intervals among the steel bars are enlarged to the size of the corresponding coarse aggregate particle size, the aggregates can fall smoothly, the problem that the aggregates cannot fall when the concrete is poured in a construction site is effectively solved, and the concrete pouring quality is guaranteed; the tool does not occupy the construction period, is simple and convenient to construct, is easy to operate, is suitable for any construction environment, needs few materials, is low in construction material cost and has strong practicability.
Drawings
The invention and its features, aspects and advantages will become more apparent from reading the following detailed description of non-limiting embodiments with reference to the accompanying drawings. Like reference symbols in the various drawings indicate like elements. The drawings are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the invention.
FIG. 1 is a front view of a tool for enlarging the space between reinforcement bars in an embodiment of the present invention;
FIG. 2 is a front view of a tool for enlarging the space between reinforcing bars according to an embodiment of the present invention;
fig. 3 is a perspective view showing a use state of the tool for enlarging the interval between the reinforcing bars according to the embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the following drawings and specific examples, but the present invention is not limited thereto.
As shown in fig. 1 to 3, the present embodiment relates to a tool for enlarging a steel bar spacing, and specifically, the tool for enlarging a steel bar spacing includes a mounting base 1, a rotating block 3, a screw rod 4, a pressing block 5, and 2L-shaped supporting legs 2; two ends of the mounting seat 1 are hinged with L-shaped supporting legs 2, the 2L-shaped supporting legs 2 are symmetrically arranged back to back, a groove 7 is formed between the tops of the 2L-shaped supporting legs 2, and a pressing block 5 is arranged in the groove 7; a rotating block 3 is fixed at one end of the screw rod 4, a threaded hole matched with the screw rod 4 is formed in the mounting seat 1, and the other end of the screw rod 4 penetrates through the mounting seat 1 through the threaded hole to be fixedly connected with a pressing block 5; arc-shaped grooves 221 are symmetrically formed in the lower parts of the 2L-shaped supporting legs 2; when using this instrument, place this instrument between 2 intervals treat the reinforcing bar that enlarges, correspond respectively with these 2 reinforcing bars and place in 2 arc walls 221, then screw up swivel block 3, and then drive lead screw 4 downstream, briquetting 5 is along with lead screw 4 downstream with 2L kickers separately, and then can expand the interval of 2 reinforcing bars.
In a specific embodiment of the present invention, the top corners of the 2L-shaped supporting legs 2 are provided with notches, the notches of the 2L-shaped supporting legs 2 are spliced to form the groove 7, the groove 7 is a triangular groove 7, and the pressing block 5 is a triangular pressing block 5, so as to facilitate the pressing block 5 to move downwards along the groove 7, and further separate the 2L-shaped supporting legs by 2.
In a specific embodiment of the present invention, the mounting base 1 includes a front plate 11, a rear plate 13, and a top plate 12 connecting the front plate 11 and the rear plate 13; the L-shaped supporting leg 2 comprises a cross bar 21 and a vertical bar 22 which is positioned at the lower part of the cross bar 21 and connected with the end part of the cross bar 21; this front bezel 11 and back plate 13 both sides all are connected with round pin axle 6, and 2L shape props horizontal pole 21 of leg 2 and all sets up between front bezel 11 and back plate 13 through round pin axle 6, and is concrete, and this front bezel 11, back plate 13 and roof 12 are the steel sheet, all adopts welded connection between this roof 12 and front bezel 11 and the back plate 13.
In a specific embodiment of the present invention, the width of the vertical rod 22 below the arc-shaped slot 221 is gradually reduced from top to bottom, so that the vertical rod 22 can be inserted between 2 steel bars.
In an embodiment of the present invention, the L-shaped supporting leg 2 is a one-piece structure, so that the L-shaped supporting leg 2 is more stable.
In a specific embodiment of the present invention, the screw rod 4 is connected with the rotating block 3 and the pressing block 5 by welding.
In a specific embodiment of the present invention, the rotating block 3 is circular or oval to facilitate the holding by human hand.
Specifically, the use time and the use method of the tool are described in detail by taking a beam-column joint on the spot as an example:
the first step is as follows: normal binding of reinforcing steel bars and preparation of pouring concrete through quality acceptance procedures
The second step is that: before concrete pouring, the tool for enlarging the steel bar spacing is inserted into a position, close to the center, on one side of a node, then the rotating block 3 of the tool is rotated to enable 2L-shaped supporting legs 2 of the tool to be spread, the opening distance of the 2L-shaped supporting legs 2 is 100 mm at most, and the tool is adjusted to be in place according to the particle size of the thick concrete aggregate, namely 40 mm-50 mm generally.
The third step: and (5) normally pouring concrete.
The fourth step: and after the concrete pouring is finished, taking out the tool.
Those skilled in the art will appreciate that variations may be implemented by those skilled in the art in combination with the prior art and the above-described embodiments, and will not be described herein in detail. Such variations do not affect the essence of the present invention and are not described herein.
The above description is of the preferred embodiment of the invention. It is to be understood that the invention is not limited to the particular embodiments described above, in that devices and structures not described in detail are understood to be implemented in a manner common in the art; those skilled in the art can make many possible variations and modifications to the disclosed embodiments, or modify equivalent embodiments to equivalent variations, without departing from the spirit of the invention, using the methods and techniques disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention, unless the contents of the technical solution of the present invention are departed.
Claims (9)
1. A tool for enlarging the interval of a steel bar is characterized by comprising a mounting seat, a rotating block, a screw rod, a pressing block and 2L-shaped supporting legs;
the two ends of the mounting seat are hinged with the L-shaped supporting legs, 2L-shaped supporting legs are symmetrically arranged back to back, a groove is formed between the tops of the 2L-shaped supporting legs, and a pressing block is arranged in the groove;
a rotating block is fixed at one end of the screw rod, a threaded hole matched with the screw rod is formed in the mounting seat, and the other end of the screw rod penetrates through the mounting seat through the threaded hole to be fixedly connected with the pressing block;
arc-shaped grooves are symmetrically formed in the lower parts of the 2L-shaped supporting legs;
wherein, 2 the top corner of L shape props the leg all is provided with the breach, 2 the breach concatenation of L shape props the leg forms the recess.
2. The tool for expanding the interval between reinforcing bars as claimed in claim 1, wherein the groove is a triangular groove and the pressing block is a triangular pressing block.
3. The tool for reinforcing bar interval expansion as claimed in claim 1, wherein the mount includes a front plate, a rear plate, and a top plate connecting the front plate and the rear plate together;
the L-shaped supporting legs comprise cross rods and vertical rods which are positioned at the lower parts of the cross rods and connected to the end parts of the cross rods;
the front plate and the rear plate are connected with pin shafts, and 2 cross rods of the L-shaped supporting legs are arranged between the front plate and the rear plate through the pin shafts.
4. The tool for increasing the interval between reinforcement bars as claimed in claim 3, wherein the width of the vertical bar at the lower portion of the arc-shaped groove is gradually decreased from the top to the bottom.
5. The tool for reinforcing bar interval expansion as claimed in claim 3, wherein the front plate, the rear plate and the top plate are steel plates.
6. The tool for expanding the interval between reinforcing bars as claimed in claim 5, wherein the top plate is welded to the front plate and the rear plate.
7. The tool for expanding the interval between reinforcing bars as claimed in claim 1, wherein the L-shaped leg is a one-piece structure.
8. The tool for expanding the interval between reinforcing bars as claimed in claim 1, wherein the screw bar is connected with the rotary block and the pressing block by welding.
9. The tool for reinforcing bar interval expansion as claimed in claim 1, wherein the rotary block has a circular or oval shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910531971.1A CN110206317B (en) | 2019-06-19 | 2019-06-19 | Tool for enlarging steel bar spacing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910531971.1A CN110206317B (en) | 2019-06-19 | 2019-06-19 | Tool for enlarging steel bar spacing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110206317A CN110206317A (en) | 2019-09-06 |
| CN110206317B true CN110206317B (en) | 2022-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910531971.1A Active CN110206317B (en) | 2019-06-19 | 2019-06-19 | Tool for enlarging steel bar spacing |
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| Country | Link |
|---|---|
| CN (1) | CN110206317B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB993195A (en) * | 1963-05-02 | 1965-05-26 | John Maurice Crom | Wire spacing mechanism |
| CN103452322A (en) * | 2013-09-06 | 2013-12-18 | 青岛林川工程技术咨询有限公司 | Device for ensuring horizontal spacing of reinforcing steel bars and use method of device |
| CN203844875U (en) * | 2014-04-29 | 2014-09-24 | 杭州骑客智能科技有限公司 | Stopping kickstand used for self-balancing vehicle |
| CN105064693A (en) * | 2015-08-05 | 2015-11-18 | 中铁隧道集团四处有限公司 | Retractable steel bar bracket |
| CN205296855U (en) * | 2015-10-27 | 2016-06-08 | 中国建筑土木建设有限公司 | Node concrete appurtenance that vibrates |
| CN108756252A (en) * | 2018-06-28 | 2018-11-06 | 东莞唯度电子科技服务有限公司 | A kind of building assembly connection component |
| CN208168381U (en) * | 2018-04-25 | 2018-11-30 | 江苏省交通工程集团有限公司 | A kind of auxiliary tool for the construction of cast-in-situ box girder base plate protection layer cushion block |
| CN208892656U (en) * | 2017-10-19 | 2019-05-24 | 中国人民武装警察部队后勤学院 | It is a kind of clinical with convenient for fixed edge of a knife opener |
-
2019
- 2019-06-19 CN CN201910531971.1A patent/CN110206317B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB993195A (en) * | 1963-05-02 | 1965-05-26 | John Maurice Crom | Wire spacing mechanism |
| CN103452322A (en) * | 2013-09-06 | 2013-12-18 | 青岛林川工程技术咨询有限公司 | Device for ensuring horizontal spacing of reinforcing steel bars and use method of device |
| CN203844875U (en) * | 2014-04-29 | 2014-09-24 | 杭州骑客智能科技有限公司 | Stopping kickstand used for self-balancing vehicle |
| CN105064693A (en) * | 2015-08-05 | 2015-11-18 | 中铁隧道集团四处有限公司 | Retractable steel bar bracket |
| CN205296855U (en) * | 2015-10-27 | 2016-06-08 | 中国建筑土木建设有限公司 | Node concrete appurtenance that vibrates |
| CN208892656U (en) * | 2017-10-19 | 2019-05-24 | 中国人民武装警察部队后勤学院 | It is a kind of clinical with convenient for fixed edge of a knife opener |
| CN208168381U (en) * | 2018-04-25 | 2018-11-30 | 江苏省交通工程集团有限公司 | A kind of auxiliary tool for the construction of cast-in-situ box girder base plate protection layer cushion block |
| CN108756252A (en) * | 2018-06-28 | 2018-11-06 | 东莞唯度电子科技服务有限公司 | A kind of building assembly connection component |
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| Publication number | Publication date |
|---|---|
| CN110206317A (en) | 2019-09-06 |
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