CN219151432U - Portable steel bar straightener - Google Patents
Portable steel bar straightener Download PDFInfo
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- CN219151432U CN219151432U CN202320297828.2U CN202320297828U CN219151432U CN 219151432 U CN219151432 U CN 219151432U CN 202320297828 U CN202320297828 U CN 202320297828U CN 219151432 U CN219151432 U CN 219151432U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The utility model discloses a portable steel bar straightening machine, which comprises a hydraulic system and a straightening mechanism, wherein the straightening mechanism comprises a first hydraulic lever body, a first piston rod matched with the first hydraulic lever body is arranged on the first hydraulic lever body, and a straightening block is arranged at the end part of the first piston rod; one end of the bottom of the first hydraulic cylinder body is fixedly provided with a straightening plate with an L-shaped section, and the horizontal part of the straightening plate is opposite to the adjusting block; the two symmetrical hinges of bottom of the first hydraulic lever body are provided with two trapezoidal structure's backup pad, the inboard of backup pad fixedly be provided with the second hydraulic cylinder body of the looks vertically of first hydraulic cylinder body, be provided with the second piston rod rather than looks adaptation on the second hydraulic cylinder body, the tip and the one side fixed connection of sliding sleeve of second piston rod, sliding sleeve and support slide bar sliding fit, the opposite side of sliding sleeve is fixed to be provided with the alignment spare that can open and shut. The utility model has convenient operation and can greatly shorten the time required by the straightening operation of the reinforcing steel bars.
Description
Technical Field
The utility model relates to the technical field of bridge prefabricated member steel bar straightening, in particular to a portable steel bar straightening machine.
Background
The cast-in-place engineering is a common engineering project for bridge construction, the common engineering project comprises wet joints of bridges, expansion joints of bridges and the like, paved roads are cut again before the expansion joints of the bridges are installed, the positions for placing the expansion joints are dug out, but in the process of digging out, the original state of bridge deck embedded bars is difficult to ensure when people dig out due to the limitation of other factors such as operation space, conditions and the like, if the bridge deck embedded bars are directly connected with the expansion joint end bars, a plurality of problems exist, for example, all the bars cannot be connected one by one in the installation process of the expansion joints because of the deformation of the bars, and the positioning of the expansion joints and the strength after the installation are seriously influenced. After the expansion joint is installed, excessive deformation possibly occurs, the service life of the expansion joint, the integrity of concrete and the like are directly influenced, and therefore the bridge expansion joint prefabricated part needs to be straightened, and the bridge reinforcement straightening work at the present stage mostly depends on manpower.
Disclosure of Invention
The utility model aims to provide a portable steel bar straightener, which solves the technical problems mentioned in the background art.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model relates to a portable steel bar straightening machine which comprises a hydraulic system and a straightening mechanism.
The straightening mechanism comprises a first hydraulic lever body, a first piston rod matched with the first hydraulic lever body is arranged on the first hydraulic lever body, and a straightening block is arranged at the end part of the first piston rod; one end of the bottom of the first hydraulic cylinder body is fixedly provided with a straightening plate with an L-shaped section, and the horizontal part of the straightening plate is opposite to the adjusting block; the hydraulic cylinder is characterized in that two supporting plates with trapezoid structures are symmetrically hinged to the two sides of the bottom of the first hydraulic lever body, a second hydraulic cylinder body perpendicular to the first hydraulic cylinder body is fixedly arranged on the inner side of one supporting plate, a second piston rod matched with the second hydraulic cylinder body is arranged on the second hydraulic cylinder body, the end part of the second piston rod is fixedly connected with one side of a sliding sleeve, the sliding sleeve is in sliding fit with a supporting sliding rod fixedly arranged on the supporting plate, and an straightening piece capable of opening and closing is fixedly arranged on the other side of the sliding sleeve.
The hydraulic system is communicated with the first hydraulic cylinder body and the second hydraulic cylinder body through hydraulic transmission pipelines.
Further, a V-shaped groove is formed in the bottom of the adjusting block.
Further, the second piston rod is fixedly connected with one side of the sliding sleeve through a connecting plate.
Further, the alignment piece includes two semicircle steel pieces that the symmetry set up, two the one side end of semicircle steel piece articulates and connects, two the semicircle groove has been seted up to the middle part symmetry of semicircle steel piece, two the opposite side end of semicircle steel piece is fixed respectively and is provided with the engaging lug, two have seted up on the engaging lug a plurality of pairs of corresponding through-holes and pass through respectively the connecting bolt fixed connection of each pair of through-hole.
Further, the hydraulic transmission pipeline comprises a first hydraulic hose and a second hydraulic hose, wherein one end of the first hydraulic hose and one end of the second hydraulic hose are communicated with the hydraulic system; the other end of the first hydraulic hose is communicated with one ends of a third hydraulic hose and a fourth hydraulic hose through a first reversing valve, the other end of the third hydraulic hose is communicated with one oil inlet and outlet of the first hydraulic cylinder body, and the other end of the fourth hydraulic hose is communicated with one oil inlet and outlet of the second hydraulic cylinder body; the other end of the second hydraulic hose is communicated with one ends of a fifth hydraulic hose and a sixth hydraulic hose through a second reversing valve, the other end of the fifth hydraulic hose is communicated with the other oil inlet and outlet of the first hydraulic cylinder body, and the other end of the sixth hydraulic hose is communicated with the other oil inlet and outlet of the second hydraulic cylinder body.
Compared with the prior art, the utility model has the beneficial technical effects that:
the utility model has the characteristics of small volume and light weight, adopts hydraulic power, completes the initial adjustment of the steel bars of the bridge expansion joint prefabricated member through the straightening block and the adjusting plate, completes the integral straightening of the bridge expansion joint prefabricated member through the straightening piece capable of linearly moving, is convenient to operate, and can greatly shorten the time required by the steel bar straightening operation.
Drawings
The utility model is further described with reference to the following description of the drawings.
Fig. 1 is a front view of a portable bar straightener of the present utility model;
FIG. 2 is a left side view relative to FIG. 1;
FIG. 3 is an end schematic view of the straightening piece;
reference numerals illustrate: 1. a first hydraulic lever body; 2. a first piston rod; 3. straightening blocks; 4. a straightening plate; 5. a support plate; 6. a second hydraulic cylinder; 7. a second piston rod; 8. a sliding sleeve; 9. supporting a slide bar; 10. a straightening member; 10-1, semicircular steel blocks; 10-2, a semicircular groove; 10-3, connecting lugs; 10-4, connecting bolts; 11. a connecting plate; 12. a first hydraulic hose; 13. a second hydraulic hose; 14. a first reversing valve; 15. a third hydraulic hose; 16. a fourth hydraulic hose; 17. a second reversing valve; 18. a fifth hydraulic hose; 19. and a sixth hydraulic hose.
Detailed Description
As shown in fig. 1-3, a portable bar straightener includes a hydraulic system and a straightening mechanism.
The straightening mechanism comprises a first hydraulic lever body 1, a first piston rod 2 matched with the first hydraulic lever body 1 is arranged on the first hydraulic lever body 1, a straightening block 3 is fixedly arranged at the end part of the first piston rod 2, and a V-shaped groove is formed in the bottom of the adjusting block 3. The bottom one end fixed mounting of first hydraulic cylinder body 1 has the cross-section to be the alignment board 4 of L shape, the vertical portion of alignment board 4 with the bottom fixed connection of first hydraulic cylinder body 1, the horizontal portion of alignment board 4 just right adjusting block 3.
Two trapezoidal support plates 5 are symmetrically hinged to the two sides of the bottom of the first hydraulic lever body 1, one of the support plates 5 is fixedly provided with a second hydraulic cylinder body 6 perpendicular to the first hydraulic cylinder body 1, and the second hydraulic cylinder body 6 is provided with a second piston rod 7 matched with the second hydraulic cylinder body. The end part of the second piston rod 7 is fixedly connected with one side of the sliding sleeve 8, and specifically: the second piston rod 7 is fixedly connected with one side of the sliding sleeve 8 through a connecting plate 11. The sliding sleeve 8 is in sliding fit with a support sliding rod 9 fixedly arranged on the support plate 5, and an openable straightening piece 10 is fixedly arranged on the other side of the sliding sleeve 8.
In this embodiment, the straightening member 10 includes two symmetrically arranged semicircular steel blocks 10-1, one side ends of the two semicircular steel blocks 10-1 are hinged, semicircular grooves 10-2 are symmetrically formed in the middle of the two semicircular steel blocks 10-1, connecting lugs 10-3 are fixedly arranged at the other side ends of the two semicircular steel blocks 10-1 respectively, and a plurality of pairs of corresponding through holes are formed in the connecting lugs 10-3 and fixedly connected through a plurality of connecting bolts 10-4 penetrating through the corresponding pairs of through holes respectively.
The hydraulic system in the utility model has the same structure as the hydraulic system in the prior art, and the description is omitted. The hydraulic system is communicated with the first hydraulic cylinder body 1 and the second hydraulic cylinder body 6 through hydraulic transmission pipelines, and specifically: the hydraulic transmission line comprises a first hydraulic hose 12 and a second hydraulic hose 13, which are connected at one end to the hydraulic system. The other end of the first hydraulic hose 12 is communicated with one ends of a third hydraulic hose 15 and a fourth hydraulic hose 16 through a first reversing valve 14, the other end of the third hydraulic hose 15 is communicated with one oil inlet and outlet of the first hydraulic cylinder body 1, and the other end of the fourth hydraulic hose 16 is communicated with one oil inlet and outlet of the second hydraulic cylinder body 6. The other end of the second hydraulic hose 13 is communicated with one ends of a fifth hydraulic hose 18 and a sixth hydraulic hose 19 through a second reversing valve 17, the other end of the fifth hydraulic hose 18 is communicated with the other oil inlet and outlet of the first hydraulic cylinder body 1, and the other end of the sixth hydraulic hose 19 is communicated with the other oil inlet and outlet of the second hydraulic cylinder body 6.
The working principle of the utility model is as follows: for the reinforcing bar position that warp bigger, turn out the backup pad outwards at first, make alignment piece and alignment board be located the both sides of this deformation position, then make first hydraulic hose and third hydraulic hose be linked together through first switching-over valve, make second hydraulic hose and fifth hydraulic hose be linked together through the second switching-over valve to make hydraulic system communicate first hydraulic cylinder body, make first piston rod drive the adjusting block down motion after the start-up, thereby carry out the initial setting to the bigger deformation position of reinforcing bar through the compaction effect of adjusting block and adjusting plate.
After the initial adjustment is finished, the straightening piece is sleeved at one end of the steel bar, which is relatively straight, then the connecting bolt is screwed, then the first hydraulic pipe is communicated with the fourth hydraulic pipe through the first reversing valve, the second hydraulic pipe is communicated with the sixth hydraulic pipe through the second reversing valve, so that the hydraulic system is communicated with the second hydraulic cylinder body, and after the hydraulic system is started, the second piston rod pushes the straightening piece to linearly move along the direction, so that the steel bar is integrally straightened.
The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.
Claims (5)
1. A portable bar straightener which characterized in that: comprises a hydraulic system and a straightening mechanism;
the straightening mechanism comprises a first hydraulic cylinder body, a first piston rod matched with the first hydraulic cylinder body is arranged on the first hydraulic cylinder body, and a straightening block is arranged at the end part of the first piston rod; one end of the bottom of the first hydraulic cylinder body is fixedly provided with a straightening plate with an L-shaped section, and the horizontal part of the straightening plate is opposite to the straightening block; the two sides of the bottom of the first hydraulic cylinder body are symmetrically hinged with two supporting plates with trapezoid structures, the inner side of one supporting plate is fixedly provided with a second hydraulic cylinder body perpendicular to the first hydraulic cylinder body, the second hydraulic cylinder body is provided with a second piston rod matched with the second hydraulic cylinder body, the end part of the second piston rod is fixedly connected with one side of a sliding sleeve, the sliding sleeve is in sliding fit with a supporting sliding rod fixedly arranged on the supporting plate, and the other side of the sliding sleeve is fixedly provided with an openable straightening piece;
the hydraulic system is communicated with the first hydraulic cylinder body and the second hydraulic cylinder body through hydraulic transmission pipelines.
2. The portable rebar straightener of claim 1, wherein: the bottom of the straightening block is provided with a V-shaped groove.
3. The portable rebar straightener of claim 1, wherein: the second piston rod is fixedly connected with one side of the sliding sleeve through a connecting plate.
4. The portable rebar straightener of claim 1, wherein: the straightening piece comprises two semicircular steel blocks which are symmetrically arranged, one side ends of the semicircular steel blocks are hinged, semicircular grooves are symmetrically formed in the middle of the semicircular steel blocks, connecting lugs are fixedly arranged at the other side ends of the semicircular steel blocks respectively, and a plurality of pairs of corresponding through holes are formed in the connecting lugs and fixedly connected through a plurality of connecting bolts which penetrate through the through holes respectively.
5. The portable rebar straightener of claim 1, wherein: the hydraulic transmission pipeline comprises a first hydraulic hose and a second hydraulic hose, one end of which is communicated with the hydraulic system; the other end of the first hydraulic hose is communicated with one ends of a third hydraulic hose and a fourth hydraulic hose through a first reversing valve, the other end of the third hydraulic hose is communicated with one oil inlet and outlet of the first hydraulic cylinder body, and the other end of the fourth hydraulic hose is communicated with one oil inlet and outlet of the second hydraulic cylinder body; the other end of the second hydraulic hose is communicated with one ends of a fifth hydraulic hose and a sixth hydraulic hose through a second reversing valve, the other end of the fifth hydraulic hose is communicated with the other oil inlet and outlet of the first hydraulic cylinder body, and the other end of the sixth hydraulic hose is communicated with the other oil inlet and outlet of the second hydraulic cylinder body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320297828.2U CN219151432U (en) | 2023-02-23 | 2023-02-23 | Portable steel bar straightener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320297828.2U CN219151432U (en) | 2023-02-23 | 2023-02-23 | Portable steel bar straightener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219151432U true CN219151432U (en) | 2023-06-09 |
Family
ID=86640057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320297828.2U Active CN219151432U (en) | 2023-02-23 | 2023-02-23 | Portable steel bar straightener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219151432U (en) |
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2023
- 2023-02-23 CN CN202320297828.2U patent/CN219151432U/en active Active
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