CN114160711A - Pile head reinforcing steel bar straightening device for cast-in-place pile and using method thereof - Google Patents
Pile head reinforcing steel bar straightening device for cast-in-place pile and using method thereof Download PDFInfo
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- CN114160711A CN114160711A CN202111497377.9A CN202111497377A CN114160711A CN 114160711 A CN114160711 A CN 114160711A CN 202111497377 A CN202111497377 A CN 202111497377A CN 114160711 A CN114160711 A CN 114160711A
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 229910001294 Reinforcing steel Inorganic materials 0.000 title claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 40
- 239000010959 steel Substances 0.000 claims abstract description 40
- 239000004567 concrete Substances 0.000 claims abstract description 6
- 230000002787 reinforcement Effects 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 abstract description 11
- 238000010276 construction Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F1/00—Bending wire other than coiling; Straightening wire
- B21F1/02—Straightening
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- Piles And Underground Anchors (AREA)
Abstract
The application provides a bored concrete pile head reinforcing bar aligning device and application method thereof, the aligning device includes: the arc-shaped structures are sequentially spliced into a circular structure; a directional pulley is arranged on the inner side of each arc-shaped structure in a sliding manner, a plurality of directional pulleys are used for straightening reinforcing steel bars, and the reinforcing steel bars can be tangent to the directional pulleys; each arc-shaped structure is provided with a hanging ring for connecting a steel wire rope for hoisting. A plurality of arc-shaped structures are spliced into a circular structure, so that all the directional pulleys on the inner side are in contact with the steel bars to be straightened, and traction force is applied to all the arc-shaped structures, so that the bent parts of the steel bars are deformed, and the straightening of the steel bars is realized. The straightening device is convenient and quick to mount and dismount, simple in structure and easy to popularize and use, and can select proper arc-shaped structure accessories according to different sizes of the steel bars, and can also adapt to the diameter size of the steel bar to be straightened by adjusting the distance between each two adjacent arc-shaped structures, so that the straightening device is high in applicability.
Description
Technical Field
The invention belongs to the technical field of engineering construction, and particularly relates to a straightening device for a pile head reinforcing steel bar of a cast-in-place pile and a using method thereof.
Background
The cast-in-place reinforced concrete pile is commonly used in the pile foundation engineering of building construction and municipal projects, and the pile top needs to be over-poured by not less than 0.5m to ensure the construction quality of the cast-in-place pile according to the relevant standard and standard requirements. Therefore, the concrete of the super-irrigation part needs to be chiseled off before the superstructure is constructed at the later stage. At present, the impact drill is adopted for chiseling away in site construction, so that the bending deformation of the pile head anchoring reinforcing steel bar is serious, the diameter of the reinforcing steel bar is generally thicker, the distance between the parts is smaller, the manual straightening is more difficult, the straightening efficiency is slow, and the quality is poorer.
Disclosure of Invention
In view of this, the present invention provides a device for straightening reinforcement bars at a pile head of a cast-in-place pile and a method for using the same, so as to solve or overcome at least one technical problem in the prior art.
The application provides a bored concrete pile head bar straightener in the first aspect, includes:
the arc structures are sequentially spliced into a circular structure;
the inner side of each arc-shaped structure is provided with one directional pulley in a sliding manner, reinforcing steel bars used for straightening are arranged among the directional pulleys, and the reinforcing steel bars can be tangent to the directional pulleys;
and each arc-shaped structure is provided with one lifting ring for connecting a steel wire rope for hoisting.
Furthermore, two ends of the arc-shaped structures are respectively provided with a socket and a spigot so that two adjacent arc-shaped structures are connected with each other.
Furthermore, through holes are formed in sockets and sockets at two ends of each arc-shaped structure, and bolts penetrate through the through holes to fix the two adjacent arc-shaped structures.
Further, the number of the arc-shaped structures is three.
Further, each directional pulley is rotatably connected to the inner side of each arc-shaped structure through a rotating shaft support.
Further, the spindle bracket includes:
the directional pulley is rotatably arranged on the rotating shaft, and the rotating shaft is provided with a limiting structure for limiting two ends of the directional pulley;
and the two fixing rods are respectively connected to two ends of the rotating shaft, and the other end of each fixing rod is connected to the inner side of the arc-shaped structure.
Furthermore, the rotating shaft support further comprises supporting rods, first ends of the supporting rods are respectively connected with one end of the rotating shaft, and second ends of the supporting rods are connected to the inner side of the arc-shaped structure and are respectively arranged above the fixing rods.
Furthermore, a plurality of through holes are respectively arranged on the sockets and the sockets at the two ends of each arc-shaped structure, each through hole is arranged along the length direction of the arc-shaped structure, and a bolt can be installed in each through hole so as to adjust the distance between two adjacent arc-shaped structures.
In a second aspect, the application provides a method for using a cast-in-place pile head reinforcement bar straightening device, including:
step one, acquiring the diameter size of a steel bar to be straightened;
step two, matching a plurality of arc-shaped structures with corresponding sizes and pre-assembling;
assembling corresponding arc-shaped structures at the bottoms of the steel bars to be straightened, and connecting the arc-shaped structures with steel wire ropes for hoisting;
and step four, drawing the straightening device along the direction of the steel bar to be straightened so as to straighten the steel bar.
Furthermore, in the second step, after the arc-shaped structures are pre-assembled, the sizes of the directional pulleys need to be detected, and the distance between the directional pulleys is ensured to be matched with the diameter size of the steel bar needing to be straightened.
The application has the following beneficial effects:
the application provides a bored concrete pile head reinforcing bar alignment device and application method thereof splices into a circular structure through a plurality of arcuation structures for each directional pulley in the inboard all pushes up and touches on the reinforcing bar that needs the alignment, through exerting traction force on each arcuation structure, makes the crooked position of reinforcing bar warp, the alignment of the reinforcing bar of realization. The straightening device is convenient and quick to mount and dismount, simple in structure and easy to popularize and use, and can select proper arc-shaped structure accessories according to different sizes of the steel bars, and can also adapt to the diameter size of the steel bar to be straightened by adjusting the distance between each two adjacent arc-shaped structures, so that the straightening device is high in applicability.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings.
Fig. 1 is a simplified flow chart of a method for using a cast-in-place pile head reinforcement bar straightening device according to an embodiment of the present invention;
fig. 2 is a diagram illustrating an operation effect of a device for straightening reinforcing steel bars at a pile head of a cast-in-place pile according to an embodiment of the present invention;
FIG. 3 is a schematic view of an arc-like structure provided in accordance with an embodiment of the present invention;
fig. 4 is a schematic view of an arc-like structure provided in accordance with an alternative embodiment of the present invention.
The steel bar fixing device comprises a steel bar, a supporting rod, a fixing rod, a supporting rod and a fixing rod, wherein the fixing rod comprises 1-an arc-shaped structure, 2-a directional pulley, 3-a socket, 4-a socket, 5-a hanging ring, 6-a steel bar, 7-a rotating shaft, 8-a supporting rod and 9-a fixing rod.
Detailed Description
Various embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Like elements in the various figures are denoted by the same or similar reference numerals. For purposes of clarity, the various features in the drawings are not necessarily drawn to scale.
In a first aspect, referring to fig. 2 to 4, a cast-in-place pile head reinforcement bar straightening device (straightening device for short) is provided, including: the arc-shaped structures 1 are formed by sequentially splicing a plurality of arc-shaped structures 1 into a circular structure; the inner side of each arc-shaped structure 1 is provided with one directional pulley 2 in a sliding manner, reinforcing steel bars 6 for straightening are arranged among the plurality of directional pulleys 2, and the reinforcing steel bars 6 can be tangent to the directional pulleys 2; and each arc-shaped structure 1 is provided with a lifting ring 5 for connecting a steel wire rope for lifting.
In the embodiment, the straightening device is suitable for building and municipal projects, and mainly aims at the reinforcing steel bars 6 on the pile head of the cast-in-place pile. In principle, the cast-in-place piles are all arranged in the vertical direction, and therefore, the straightening devices are pulled and stretched upwards in the vertical direction.
In this embodiment, two ends of the arc-shaped structures 1 are respectively provided as a socket 3 and a spigot 4, so that two adjacent arc-shaped structures 1 are connected with each other. The whole straightening device is guaranteed to form a clamping state for the steel bar 6 needing to be straightened, and subsequent steel bar 6 straightening operation is facilitated.
In order to ensure the stability of the straightening device in the straightening operation process of the reinforcing steel bar 6, through holes are formed in the sockets 3 and the sockets 4 at the two ends of each arc-shaped structure 1, and bolts penetrate through the through holes to fix the two adjacent arc-shaped structures 1. In this embodiment, the number of the arc structures 1 is three, three arc structures 1 are connected to form a circular structure, and the steel bar 6 to be straightened is clamped by the directional pulleys 2 inside each arc structure 1. It will be appreciated that the number of arc-like structures 1 includes, but is not limited to, three, and that two, four, five and more may be used.
The directional pulleys 2 are rotatably connected to the inner sides of the arc structures 1 through a rotating shaft support respectively. The rotation friction between each directional pulley 2 and the steel bar 6 is ensured, so that the labor is saved when the straightening device is pulled.
Referring to fig. 3 and 4, the hinge bracket includes: the rotating shaft 7 is rotatably arranged on the directional pulley 2, and the rotating shaft 7 is provided with a limiting structure for limiting two ends of the directional pulley 2; and the two fixing rods 9 are respectively connected to two ends of the rotating shaft 7, and the other end of each fixing rod 9 is connected to the inner side of the arc-shaped structure 1. The rotating shaft support ensures that the directional pulley 2 only rotates and does not move at the original position, so that the reinforcing steel bars 6 are straightened.
The rotating shaft support further comprises supporting rods 8, a first end of each supporting rod 8 is connected with one end of the rotating shaft 7, and a second end of each supporting rod 8 is connected to the inner side of the arc-shaped structure 1 and is arranged above the corresponding fixing rod 9. Bracing piece 8 has strengthened the structural strength of pivot support, combines the towed direction of aligning device, sets up bracing piece 8 in the top of dead lever 9, bears the pulling force of 6 alignment in-process of reinforcing bar, avoids the pivot support to take place the problem crooked and rock.
The bell mouth 3 and the socket 4 at the two ends of each arc-shaped structure 1 are respectively provided with a plurality of through holes, each through hole is arranged along the length direction of the arc-shaped structure 1, and a bolt can be installed in each through hole so as to adjust the distance between two adjacent arc-shaped structures 1. Therefore, the positions of the directional pulleys 2 on the inner side of the arc-shaped structure 1 are adjusted, and the distance between the directional pulleys 2 is adjusted, so that the reinforcing steel bars 6 with different diameters are matched.
In a second aspect, referring to fig. 1 to 4, a method for using a cast-in-place pile head reinforcement bar straightening device is provided, including: step one, acquiring the diameter size of a steel bar 6 to be straightened; step two, matching a plurality of arc-shaped structures 1 with corresponding sizes and pre-assembling; specifically, after the arc-shaped structures 1 are pre-assembled, the sizes of the directional pulleys 2 need to be detected, and the distance between the directional pulleys 2 is ensured to be matched with the diameter of the steel bar 6 needing to be straightened. As known to those skilled in the art, when the dimension between the directional pulleys 2 is larger or smaller than the diameter dimension of the reinforcing bars 6, the distance between two adjacent arc structures 1 should be adjusted, aligned using different through holes, and fixed by installing bolts. And step three, assembling the corresponding arc-shaped structures 1 at the bottoms of the steel bars 6 to be straightened, connecting steel wire ropes for hoisting on the hoisting rings 5 respectively, and ensuring that the steel wire ropes are stressed uniformly. And step four, drawing the straightening device along the direction of the steel bar 6 to be straightened so as to straighten the steel bar 6. It should be understood that when the directional pulleys 2 contact the bending part of the steel bar 6, the straightening device can be slowly and uniformly drawn, and damage to the steel bar 6 and/or the straightening device due to too high speed can be avoided.
The application provides a bored concrete pile head reinforcing bar alignment device and application method thereof splices into a circular structure through a plurality of arcuation structures 1 for each directional pulley 2 in the inboard all pushes up and touches on the reinforcing bar 6 that needs the alignment, through exerting traction force on each arcuation structure 1, makes the crooked position of reinforcing bar 6 warp, the alignment of reinforcing bar 6 of realization. The straightening device is convenient and quick to mount and dismount, simple in structure and easy to popularize and use, and can select proper accessories of the arc-shaped structures 1 according to different sizes of the steel bars 6, and can adapt to the diameter size of the steel bar 6 needing to be straightened by adjusting the distance between the adjacent arc-shaped structures 1, so that the straightening device is high in applicability.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Finally, it should be noted that: it should be understood that the above examples are only for clearly illustrating the present invention and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the scope of the invention.
Claims (10)
1. The utility model provides a bored concrete pile head bar straightener which characterized in that includes:
the arc structures are sequentially spliced into a circular structure;
the inner side of each arc-shaped structure is provided with one directional pulley in a sliding manner, reinforcing steel bars used for straightening are arranged among the directional pulleys, and the reinforcing steel bars can be tangent to the directional pulleys;
and each arc-shaped structure is provided with one lifting ring for connecting a steel wire rope for hoisting.
2. The cast-in-place pile head rebar straightening device according to claim 1, wherein two ends of the arc-shaped structures are respectively provided with a socket and a spigot so that two adjacent arc-shaped structures are connected with each other.
3. The cast-in-place pile head reinforcement bar straightening device according to claim 2, wherein through holes are formed in sockets and sockets at two ends of each arc-shaped structure, and bolts are inserted into the through holes to fix two adjacent arc-shaped structures.
4. The cast-in-place pile head rebar straightening device according to claim 1, wherein the number of the arc-shaped structures is three.
5. The cast-in-place pile head rebar straightening device according to claim 1, wherein each directional pulley is rotatably connected to the inner side of each arc-shaped structure through a rotating shaft support.
6. The cast-in-place pile head rebar straightening device according to claim 5, wherein the rotating shaft bracket comprises:
the directional pulley is rotatably arranged on the rotating shaft, and the rotating shaft is provided with a limiting structure for limiting two ends of the directional pulley;
and the two fixing rods are respectively connected to two ends of the rotating shaft, and the other end of each fixing rod is connected to the inner side of the arc-shaped structure.
7. The cast-in-place pile head rebar straightening device according to claim 6, wherein the rotating shaft bracket further comprises support rods, a first end of each support rod is connected with one end of the rotating shaft, and a second end of each support rod is connected to the inner side of the arc-shaped structure and is arranged above the corresponding support rod.
8. The cast-in-place pile head reinforcement bar straightening device according to claim 3, wherein a plurality of through holes are respectively formed in sockets and sockets at two ends of each arc-shaped structure, each through hole is formed along the length direction of the arc-shaped structure, and a bolt can be installed in each through hole to adjust the distance between two adjacent arc-shaped structures.
9. The use method of the cast-in-place pile head reinforcing steel bar straightening device is characterized by comprising the following steps of:
step one, acquiring the diameter size of a steel bar to be straightened;
step two, matching a plurality of arc-shaped structures with corresponding sizes and pre-assembling;
assembling corresponding arc-shaped structures at the bottoms of the steel bars to be straightened, and connecting the arc-shaped structures with steel wire ropes for hoisting;
and step four, drawing the straightening device along the direction of the steel bar to be straightened so as to straighten the steel bar.
10. The method of using the pile head reinforcement bar straightening device for the cast-in-place pile according to claim 9, wherein in the second step, after the arc structures are pre-assembled, the size between the directional pulleys needs to be detected, so that the distance between the directional pulleys is adapted to the diameter of the reinforcement bar to be straightened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111497377.9A CN114160711B (en) | 2021-12-09 | 2021-12-09 | Pile head reinforcing steel bar straightening device of cast-in-place pile and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111497377.9A CN114160711B (en) | 2021-12-09 | 2021-12-09 | Pile head reinforcing steel bar straightening device of cast-in-place pile and using method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114160711A true CN114160711A (en) | 2022-03-11 |
| CN114160711B CN114160711B (en) | 2024-01-19 |
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| CN202111497377.9A Active CN114160711B (en) | 2021-12-09 | 2021-12-09 | Pile head reinforcing steel bar straightening device of cast-in-place pile and using method thereof |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102303079A (en) * | 2011-09-21 | 2012-01-04 | 中建三局第一建设工程有限责任公司 | Pile head large-diameter steel bar straightening device |
| CN207057520U (en) * | 2017-03-31 | 2018-03-02 | 上海宝冶集团南京建筑有限公司 | A kind of filling pile head bar straightening instrument |
| GB201815738D0 (en) * | 2018-09-27 | 2018-11-14 | Yeh Jih Cheng | Straightening device |
| CN208613612U (en) * | 2018-06-12 | 2019-03-19 | 中建市政工程有限公司 | A kind of device for straightening pile crown reinforcing bar |
| CN112024768A (en) * | 2020-07-30 | 2020-12-04 | 上海二十冶建设有限公司 | Pile head reinforcing steel bar straightening method for concrete cast-in-place pile |
| CN213002360U (en) * | 2020-08-27 | 2021-04-20 | 中铁二十局集团市政工程有限公司 | Pile head reinforcing steel bar straightening device |
| CN113600716A (en) * | 2021-08-17 | 2021-11-05 | 谢冬梅 | Steel bar straightening device for building construction |
-
2021
- 2021-12-09 CN CN202111497377.9A patent/CN114160711B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102303079A (en) * | 2011-09-21 | 2012-01-04 | 中建三局第一建设工程有限责任公司 | Pile head large-diameter steel bar straightening device |
| CN207057520U (en) * | 2017-03-31 | 2018-03-02 | 上海宝冶集团南京建筑有限公司 | A kind of filling pile head bar straightening instrument |
| CN208613612U (en) * | 2018-06-12 | 2019-03-19 | 中建市政工程有限公司 | A kind of device for straightening pile crown reinforcing bar |
| GB201815738D0 (en) * | 2018-09-27 | 2018-11-14 | Yeh Jih Cheng | Straightening device |
| CN112024768A (en) * | 2020-07-30 | 2020-12-04 | 上海二十冶建设有限公司 | Pile head reinforcing steel bar straightening method for concrete cast-in-place pile |
| CN213002360U (en) * | 2020-08-27 | 2021-04-20 | 中铁二十局集团市政工程有限公司 | Pile head reinforcing steel bar straightening device |
| CN113600716A (en) * | 2021-08-17 | 2021-11-05 | 谢冬梅 | Steel bar straightening device for building construction |
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| Publication number | Publication date |
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| CN114160711B (en) | 2024-01-19 |
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