CN219527639U - Prestressed anti-floating anchor rod anti-tensioning device - Google Patents
Prestressed anti-floating anchor rod anti-tensioning device Download PDFInfo
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- CN219527639U CN219527639U CN202320123977.7U CN202320123977U CN219527639U CN 219527639 U CN219527639 U CN 219527639U CN 202320123977 U CN202320123977 U CN 202320123977U CN 219527639 U CN219527639 U CN 219527639U
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- base
- floating anchor
- finish rolling
- connecting steel
- jack
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Abstract
The utility model discloses a prestressed anti-floating anchor rod tension-resistant device which comprises a base, wherein a prestressed finish rolling screw-thread steel bar is arranged on the upper end face of the base in a penetrating manner, the upper end and the lower end of the prestressed finish rolling screw-thread steel bar are respectively in threaded connection with a wedge-shaped iron plug and a hexagonal self-locking nut, a jack is arranged between the upper end face of the base and the wedge-shaped iron plug, and the jack is connected with a digital display split type manual hydraulic pump through an oil pipe. The utility model has the advantages of simple structure, convenient and quick construction, simple and accurate locking of the pretension value, contribution to improving the construction efficiency, reducing the construction period and guaranteeing the construction quality.
Description
Technical Field
The utility model relates to the technical field of building and rock-soil construction, in particular to a prestressed anti-floating anchor rod tension-resistant device.
Background
In the field of building construction, quality accidents of foundation slab floating are frequent, so that an anti-floating anchor rod is generated, the locking of the pre-tightening value of the anti-floating anchor rod in rock steep slope support anchor rod drilling construction is difficult in the prior art, the construction efficiency and the construction quality can be influenced, and innovation is carried out on the defect.
Disclosure of Invention
The utility model provides a prestress anti-floating anchor rod tension-resistant device which aims at solving the technical problems in the related art.
In order to achieve the technical purpose, the technical scheme of the utility model is realized as follows:
the utility model provides a prestressing force anti-floating stock stretch-draw device, includes the base, the up end of base wears to be equipped with prestressing force finish rolling twisted steel, the upper and lower both ends of prestressing force finish rolling twisted steel respectively threaded connection wedge iron stopper and hexagonal self-locking nut, the up end of base with be equipped with the jack between the wedge iron stopper, the jack passes through oil pipe connection digital display split type manual hydraulic pump.
Furthermore, a steel backing plate is arranged at the bottom end of the prestressed finish rolling twisted steel in a penetrating way, and the hexagonal self-locking nut is positioned above the steel backing plate.
Further, the base includes the first steel sheet that connects that is located the upper end and is located the second steel sheet that connects of left and right sides, first steel sheet with second steel sheet welded connection is connected to the second steel sheet, two second steel sheet bottom inboard respectively welded has a third steel sheet that connects, two be equipped with an opening between the third steel sheet that connects.
Further, the digital display split type manual hydraulic pump comprises a piston tube, a handle and an oil cylinder.
The utility model has the beneficial effects that: the utility model has the advantages of simple structure, convenient and quick construction, simple and accurate locking of the pretension value, contribution to improving the construction efficiency, reducing the construction period and guaranteeing the construction quality.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
The utility model is described in further detail below with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a prestressed anti-floating anchor anti-tensioning device according to an embodiment of the present utility model.
In the figure:
1. a jack; 2. an oil pipe; 3. a wedge-shaped iron plug; 4. pre-stress finish rolling deformed bar; 5. a base; 6. a first connection steel plate; 7. a second connecting steel plate; 8. a third connecting steel plate; 9. a steel backing plate; 10. a hexagonal self-locking nut; 11. a piston tube; 12. a handle; 13. and (5) an oil cylinder.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the utility model, fall within the scope of protection of the utility model.
As shown in fig. 1, the prestressed anti-floating anchor tension device according to the embodiment of the utility model comprises a base 5, wherein a prestressed finish rolling screw steel bar 4 is arranged on the upper end surface of the base 5 in a penetrating manner, the upper end and the lower end of the prestressed finish rolling screw steel bar 4 are respectively in threaded connection with a wedge-shaped iron plug 3 and a hexagonal self-locking nut 10, a jack 1 is arranged between the upper end surface of the base 5 and the wedge-shaped iron plug 3, and the jack 1 is connected with a digital display split type manual hydraulic pump through an oil pipe 2.
In one embodiment of the utility model, the first connecting steel plate 6, the second connecting steel plate 7 and the third connecting steel plate 8 are respectively 500x500x20mm Q345B steel plates, 300x50x20mm Q345B steel plates and 500x100x20mm Q345B steel plates, the steel plates are connected through fillet welds, and the quality of the welding seams meets the requirement of primary welding seams.
In one embodiment of the utility model, the base 5 passes through the pre-stressed anti-floating anchor rod (finish rolling screw steel bar 4) after construction, the base 5 is flat and solid, the wedge-shaped iron plug 3 is plugged tightly, and only the handle 12 is operated up and down to apply pressure to the piston of the digital display split type manual hydraulic pump and transmit the pressure to the jack 1, so that the jack 1 has an upward thrust force, thereby having upward tension force on the finish rolling screw steel bar 4, and achieving the principle of anti-tensioning of the anti-floating anchor rod; after the display numerical value of the digital display split type manual hydraulic pump reaches the design requirement, the pressure applied by the piston is ended, the load is stabilized for 2min, and then the prestressed reinforcement is fixed by an anchor, so that the stretching of the anti-floating anchor rod is completed.
When in specific use:
1. after grouting reaches the design strength, a 200 multiplied by 20 prestressed anchor steel backing plate 9 and a hexagonal self-locking nut 10 are installed at the bottom of the anchor rod steel bar and are close to the ground.
2. And a tensioning device base 5 is arranged, the jack is not suspended, and the reliability of the working performance of the jack 1 is checked.
3. The operation number shows the split type manual hydraulic pump, can finish the prestressing force to apply until the pretension value of the pulling resistance reaches the design value.
4. When the tension value is stable, the hexagonal self-locking nut 10 is screwed by adopting an adjustable spanner.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (4)
1. The utility model provides a prestressing force anti-floating anchor stretch-draw device, its characterized in that, includes base (5), prestressing force finish rolling twisted steel (4) are worn to be equipped with by the up end of base (5), the upper and lower both ends of prestressing force finish rolling twisted steel (4) are threaded connection wedge iron stopper (3) and hexagonal self-locking nut (10) respectively, the up end of base (5) with be equipped with jack (1) between wedge iron stopper (3), jack (1) are connected digital display split type manual hydraulic pump through oil pipe (2).
2. The prestress anti-floating anchor tension device according to claim 1, wherein a steel backing plate (9) is arranged at the bottom end of the prestress finish rolling twisted steel (4) in a penetrating manner, and the hexagonal self-locking nut (10) is located above the steel backing plate (9).
3. The prestress anti-floating anchor tension device according to claim 1, wherein the base (5) comprises a first connecting steel plate (6) positioned at the upper end and second connecting steel plates (7) positioned at the left side and the right side, the first connecting steel plates (6) are welded with the second connecting steel plates (7), a third connecting steel plate (8) is welded at the inner sides of the bottom ends of the two second connecting steel plates (7), and an opening is arranged between the two third connecting steel plates (8).
4. The prestress anti-floating anchor anti-tensioning device according to claim 1, wherein the digital display split type manual hydraulic pump comprises a piston tube (11), a handle (12) and an oil cylinder (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320123977.7U CN219527639U (en) | 2023-01-17 | 2023-01-17 | Prestressed anti-floating anchor rod anti-tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320123977.7U CN219527639U (en) | 2023-01-17 | 2023-01-17 | Prestressed anti-floating anchor rod anti-tensioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219527639U true CN219527639U (en) | 2023-08-15 |
Family
ID=87633095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320123977.7U Active CN219527639U (en) | 2023-01-17 | 2023-01-17 | Prestressed anti-floating anchor rod anti-tensioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219527639U (en) |
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2023
- 2023-01-17 CN CN202320123977.7U patent/CN219527639U/en active Active
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