CN216502069U - Pile top reserved steel bar straightening device - Google Patents
Pile top reserved steel bar straightening device Download PDFInfo
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- CN216502069U CN216502069U CN202122945137.2U CN202122945137U CN216502069U CN 216502069 U CN216502069 U CN 216502069U CN 202122945137 U CN202122945137 U CN 202122945137U CN 216502069 U CN216502069 U CN 216502069U
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- steel bar
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Abstract
The utility model discloses a pile top reserved steel bar straightening device, which belongs to the field of bridge construction and comprises a straightening steel plate with straightening holes, wherein a group of opposite sides of the straightening steel plate are provided with hoisting holes, the straightening steel plate is connected with a positioning steel plate through at least two lead screws and a plurality of nuts, and the two ends of each lead screw limit the distance between the straightening steel plate and the positioning steel plate through the nuts; the positioning steel plate is provided with positioning holes corresponding to the alignment holes arranged on the alignment steel plate. The pile top reserved steel bar straightening device is simple in structure, reusable, economical, good in applicability, high in steel bar straightening speed and good in effect.
Description
Technical Field
The utility model belongs to the field of bridge construction, and provides a pile top reserved steel bar straightening device.
Background
In bridge construction, after pile foundation concrete pouring is finished, in order to ensure the construction quality of a pile foundation, a pile head needs to be chiseled or excavated. In the process, the original shape of the pile head reinforcing steel bar cannot be kept straight, the pile head reinforcing steel bar is bent, twisted or deformed to a certain degree under the influence of impact force, and the pile head reinforcing steel bar needs to be lapped with the pier stud reinforcing steel bar, so that the straightening process of the pile head reinforcing steel bar is very important for ensuring the lapping quality of the reinforcing steel bar. At present, two generally used reinforcing steel bar straightening methods are provided, firstly, the steel bar is heated and corrected by fire work, the reinforcing steel bar is forced to deform reversely through the heating action of flame, although the straightening effect of the method is good, the mechanical property of the reinforcing steel bar can be damaged, meanwhile, the method also needs a heat source, the operation difficulty is high, the technical requirement on workers is high, and the efficiency is low; the other method is manual steel pipe sleeving correction, the method is purely dependent on manpower to straighten the steel bars, and the diameter of the pile foundation main reinforcement is generally more than 25mm, so that the manual straightening speed is low, the efficiency is low, and the straightening effect is not ideal. The straightening process of pile head steel bars directly influences the construction quality of subsequent processes, possibly resulting in lower percent of pass of pier column steel bar protection layers and influencing the construction quality of bridge structures.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a pile top reserved steel bar straightening device with simple structure and convenient operation, so as to solve the problem of the pile top reserved steel bar twisting, bending or deforming.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a pile top reserved steel bar straightening device which comprises a straightening steel plate with straightening holes, wherein a group of opposite sides of the straightening steel plate are provided with hoisting holes, the straightening steel plate is connected with a positioning steel plate through at least two lead screws and a plurality of nuts, and the two ends of each lead screw limit the distance between the straightening steel plate and the positioning steel plate through the nuts; the positioning steel plate is provided with positioning holes corresponding to the alignment holes arranged on the alignment steel plate.
Furthermore, a clamping ring or a lifting lug ring is arranged on the hoisting hole.
Furthermore, the sizes of the positioning steel plate and the straightening steel plate are 200mm multiplied by 100mm multiplied by 10 mm.
Furthermore, the diameters of the positioning holes and the straightening holes are 3-5mm larger than the diameter of the pile foundation main rib.
Furthermore, the screw rod is phi 10-12 mm.
Furthermore, a stopping mechanism is arranged on the positioning steel plate and close to the positioning hole, the stopping mechanism is composed of a wheel seat, a roller, a sliding block and a screw rod, the wheel seat is fixed on the positioning steel plate, a rotating shaft of the roller is rotatably arranged on the sliding block, the sliding block is arranged on the wheel seat in a sliding mode, and the screw rod acting on the sliding block is arranged on the wheel seat.
Further, the stop mechanism is arranged on the straightening steel plate and close to the straightening hole.
The utility model has the technical effects that: the pile top reserved steel bar straightening device has the advantages of simple structure, convenience in construction, reusability, economy and good applicability; and the steel bar straightening speed is high, the effect is good, and the work efficiency and the construction quality are improved.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
For the purposes of promoting a better understanding of the objects, aspects and advantages of the utility model, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
fig. 1 is a schematic top view of the structure of the pile top reserved steel bar straightening device of the present invention;
FIG. 2 is a schematic top view of a second structure of the pile top reserved reinforcement straightening device of the present invention;
FIG. 3 is a schematic bottom view of the pile top reserved reinforcement straightening device according to the present invention;
FIG. 4 is an enlarged partial schematic view of FIG. 2;
reference numerals: the device comprises a clamping ring 1, a straightening steel plate 2, a nut 3, a straightening hole 4, a hoisting hole 5, a positioning steel plate 6, a screw rod 7, a positioning hole 8, a wheel seat 9, a roller 10, a rotating shaft 11, a sliding block 12 and a screw rod 13.
Detailed Description
The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
Example one
As shown in fig. 1, the pile top reserved steel bar straightening device according to the embodiment includes a straightening steel plate 2 with a straightening hole 4, a set of opposite sides of the straightening steel plate 2 are provided with hoisting holes 5, the hoisting holes 5 are provided with snap rings 1 or lifting lug rings, the straightening steel plate 2 is connected with a positioning steel plate 6 through four lead screws 7 and sixteen nuts 3, and two ends of the lead screws 7 limit the distance between the straightening steel plate 2 and the positioning steel plate 6 through the nuts 3, that is, when the bending radius of the steel bar to be straightened is larger, the distance between the straightening steel plate and the positioning steel plate can be properly increased, otherwise, the distance between the straightening steel plate and the positioning steel plate is reduced; the positioning steel plate 6 is provided with a positioning hole 8 corresponding to the straightening hole 4 arranged on the straightening steel plate 2. During the construction, install location steel sheet 6 earlier, ensure that locating hole 8 plays the location guide effect on treating alignment reinforcing bar straightway, when the installation alignment steel sheet, according to treating alignment reinforcing bar bend radius size, adjust its and location steel sheet 6's distance through lead screw 7 and nut 3. The hoisting hole 5 is connected with the steel wire rope through one end of the clamping ring 1, and the other end of the clamping ring is connected with hoisting equipment, after the installation is finished, the hoisting equipment is slowly started, the steel wire rope is dragged upwards, the bent steel bar is gradually straightened through the straightening steel plate 2 under the guiding action of the positioning steel plate 6, and the fact that a hoisting point, the straightening hole 4 and the positioning hole 8 are on the same vertical line needs to be ensured in the hoisting process; therefore, the steel bars subjected to bending deformation are gradually straightened under the matching of the positioning steel plates and the straightening steel plates.
For further improving pile bolck reservation bar straightener result of use, location steel sheet 6 and 2 sizes of alignment steel sheet are 200mm 100mm 10mm, locating hole 8 all is greater than pile foundation owner muscle diameter 4mm with alignment hole 4, the lead screw 7 that the regulation distance adopted is phi 10mm and uses with the supporting of phase-match nut 3, two hole for hoist 5 symmetrical arrangement on alignment steel sheet 2, 5 diameters of hole for hoist are 20mm, the snap ring adopts D type 1.7 specification.
Example two
Referring to fig. 2-4, a stopping mechanism is arranged on the positioning steel plate 6 and close to the positioning hole 8 and/or on the straightening steel plate 2 and close to the straightening hole 4, the stopping mechanism is composed of a wheel seat 9, a roller 10, a sliding block 12 and a screw 13, the wheel seat 9 is fixed on the positioning steel plate 6 or the straightening steel plate 2, a rotating shaft 11 of the roller 10 is rotatably arranged on the sliding block 12, the sliding block 12 is arranged on the wheel seat 9 in a sliding manner, and the wheel seat 9 is provided with the screw 13 acting on the sliding block 12. Like this, act on the slider through the screw rod to this comes the distance between adjustment gyro wheel apart from locating hole or the alignment hole, can make this stop mechanism's gyro wheel can act on treating the adjustment reinforcing bar, plays to stop, gliding effect, in order to do benefit to better alignment.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Claims (7)
1. A pile top reserved steel bar straightening device comprises a straightening steel plate (2) with straightening holes (4), wherein a group of opposite sides of the straightening steel plate are provided with hoisting holes (5), and the pile top reserved steel bar straightening device is characterized in that the straightening steel plate is connected with a positioning steel plate (6) through at least two lead screws (7) and a plurality of nuts (3), and the two ends of each lead screw limit the distance between the straightening steel plate and the positioning steel plate through the nuts; the positioning steel plate is provided with positioning holes (8) corresponding to the alignment holes arranged on the alignment steel plate.
2. The pile top reserved steel bar straightening device according to claim 1, wherein a clamping ring (1) or a lifting lug ring is arranged on the hoisting hole.
3. The pile top reserved steel bar straightening device according to claim 1, wherein the sizes of the positioning steel plate and the straightening steel plate are 200mm x 100mm x 10 mm.
4. The pile top reserved steel bar straightening device according to claim 1, wherein the diameters of the positioning hole and the straightening hole are 3-5mm larger than the diameter of a pile foundation main bar.
5. The pile top reserved steel bar straightening device according to claim 1, wherein the screw rod is phi 10-12 mm.
6. The pile top reserved steel bar straightening device according to any one of claims 1 to 5, wherein a stop mechanism is arranged on the positioning steel plate and close to the positioning hole, the stop mechanism is composed of a wheel seat (9), a roller (10), a sliding block (12) and a screw rod (13), the wheel seat is fixed on the positioning steel plate, a rotating shaft (11) of the roller is rotatably arranged on the sliding block, the sliding block is arranged on the wheel seat in a sliding manner, and the wheel seat is provided with the screw rod acting on the sliding block.
7. The pile top reserved steel bar straightening device according to claim 6, wherein the stop mechanism is also arranged on the straightening steel plate and close to the straightening hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122945137.2U CN216502069U (en) | 2021-11-26 | 2021-11-26 | Pile top reserved steel bar straightening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122945137.2U CN216502069U (en) | 2021-11-26 | 2021-11-26 | Pile top reserved steel bar straightening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216502069U true CN216502069U (en) | 2022-05-13 |
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ID=81463152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122945137.2U Active CN216502069U (en) | 2021-11-26 | 2021-11-26 | Pile top reserved steel bar straightening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216502069U (en) |
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2021
- 2021-11-26 CN CN202122945137.2U patent/CN216502069U/en active Active
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