CN204112377U - The draw-off gear of pile for prestressed pipe vertically pulling-resistant static loading test - Google Patents
The draw-off gear of pile for prestressed pipe vertically pulling-resistant static loading test Download PDFInfo
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- CN204112377U CN204112377U CN201420474083.3U CN201420474083U CN204112377U CN 204112377 U CN204112377 U CN 204112377U CN 201420474083 U CN201420474083 U CN 201420474083U CN 204112377 U CN204112377 U CN 204112377U
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Abstract
The utility model is a kind of draw-off gear of pile for prestressed pipe vertically pulling-resistant static loading test, belong to foundation pile experimental rig, it is characterized in that: this draw-off gear also comprises double threaded screw, junction plate, bottom pad plate, top backing plate, high-strength bolt, high-strength nut and jack, this double threaded screw is upper end section, lower end Duan Shangjun is with externally threaded cylindrical bar, this junction plate is disc-shaped plate, offer bolt hole while this junction plate is offered central through hole and circumference uniform distribution, difference plug-in mounting high-strength bolt in this each bolt hole, the lower end section of this double threaded screw installs junction plate and corresponding suit bottom pad plate and spinning high-strength nut, in addition, the hydraulic jack of mounting strap axial central through hole on the epimere of this double threaded screw, and in the upper end section of this double threaded screw, top backing plate and spinning high-strength nut are installed, easy to use, fast, safe and reliable, detect data accurately errorless.
Description
Technical field
The utility model belongs to pile foundation test device, especially relates to a kind of pile for prestressed pipe resistance to plucking
The draw-off gear of static loading test.
Background technology
Along with the development of real estate industry and the rise of industrial working, the building of a large amount of high level, structure arise at the historic moment, the exploitation of basement and underground garage increases, more and more higher to the requirement of basement process, and it is just more efficient as the mode of basement process with pile for prestressed pipe, convenient, and the detection method controlling the mass of foundation of building is also maked rapid progress, no matter be for designing unit provides science reliable design considerations, or for the inspection of quality of engineering provides foundation, unit for single-pile vertical anti-pulling plate loading test is then one of the most effective means of test vertically pulling-resistant bearing capacity.
Summary of the invention
The purpose of this utility model proposes drawing of a kind of pile for prestressed pipe vertically pulling-resistant static loading test
Pulling device, not only structure is simple, easy to use, quick, strong operability, and can reuse, and detects data accurate, reduces construction cost.
The purpose of this utility model is achieved like this: a kind of draw-off gear (abbreviation draw-off gear) of pile for prestressed pipe vertically pulling-resistant static loading test, comprise pile for prestressed pipe and pile tube headboard, this pile for prestressed pipe is the concrete prefabricated element of hollow elongate barrel, the pile tube headboard of this annular is welded in the top inner wall of pile for prestressed pipe, with the screwed hole of circumference uniform distribution on this pile tube headboard, it is characterized in that: the draw-off gear of this pile for prestressed pipe vertically pulling-resistant static loading test also comprises double threaded screw, junction plate, bottom pad plate, top backing plate, high-strength bolt, high-strength nut and hydraulic jack, described double threaded screw is upper end section, lower end Duan Shangjun is with externally threaded cylindrical bar, described junction plate is disc steel plate, and the diameter of this junction plate is more than or equal to the external diameter of pile tube headboard, offer bolt hole while described junction plate is offered central through hole and circumference uniform distribution, and make the diameter of this central through hole be greater than the diameter of double threaded screw, make the position of this each bolt hole simultaneously, the position of the screwed hole on bore dia and pile tube headboard, bore dia is corresponding to the same, difference plug-in mounting high-strength bolt in this each bolt hole, by the lower end section of described double threaded screw through suit bottom pad plate corresponding after the central through hole that junction plate is offered and spinning high-strength nut, the hydraulic jack of mounting strap axial central through hole on the epimere of described double threaded screw, and top backing plate and spinning high-strength nut are installed in the corresponding top being positioned at hydraulic jack in the upper end section of described double threaded screw.
During use, first set up on the anchoring pile of the left and right sides being positioned at the pile for prestressed pipe (single pile) treating vertically pulling-resistant static loading test cuboid and offer the main girder steel of central through hole, will described in
The epimere of double threaded screw through this main girder steel, the hydraulic jack of (namely through the epimere position of main girder steel) mounting strap axial central through hole on the epimere of described double threaded screw, this hydraulic jack is placed on main girder steel, and in the upper end section of described double threaded screw, top backing plate and spinning high-strength nut are installed, simultaneously, bolt hole on junction plate is corresponding consistent with the screwed hole on pile tube headboard, then with high-strength bolt, junction plate is fixedly connected with pile tube headboard, during test, hydraulic jack and the high-pressure oil pump separately established is connected by high-pressure oil pipe, and use static plate load test instrument control high-pressure oil pump to pressurize to hydraulic jack, jacking hydraulic jack, by double threaded screw drawing pile for prestressed pipe, the pullout tests of pile for prestressed pipe can be carried out, convenient and swift, reusable, experimental data is accurate.
The draw-off gear of the pile for prestressed pipe vertically pulling-resistant static loading test that the utility model proposes, not only structure is simple, easy to use, quick, strong operability, and can reuse,
Detection data are accurate, reduce construction cost.
Now in conjunction with the accompanying drawings and embodiments the draw-off gear of the pile for prestressed pipe vertically pulling-resistant static loading test that the utility model proposes is further described.
Accompanying drawing explanation
Schematic front view when Fig. 1 is the draw-off gear use of the pile for prestressed pipe vertically pulling-resistant static loading test that the utility model proposes.
In Fig. 1:
1, pile for prestressed pipe 2, pile tube headboard 3, double threaded screw 4, junction plate 5, bottom pad plate 6, high-strength bolt 7, high-strength nut 8, top backing plate 9, hydraulic jack 10, main girder steel 11, anchoring pile.
Detailed description of the invention
As can be seen from Figure 1: a kind of draw-off gear (abbreviation draw-off gear) of pile for prestressed pipe vertically pulling-resistant static loading test, comprise pile for prestressed pipe 1 and pile tube headboard 2, this pile for prestressed pipe 1 is the concrete prefabricated element of hollow elongate barrel, the pile tube headboard 2 of this annular is welded in the top inner wall of pile for prestressed pipe 1, with the screwed hole of circumference uniform distribution on this pile tube headboard 2, it is characterized in that: the draw-off gear of this pile for prestressed pipe vertically pulling-resistant static loading test also comprises double threaded screw 3, junction plate 4, bottom pad plate 5, high-strength bolt 6, high-strength nut 7, top backing plate 8 and hydraulic jack 9, described double threaded screw 3 is upper end section, lower end Duan Shangjun is with externally threaded cylindrical bar, described junction plate 4 is disc steel plate, and the diameter of this junction plate 4 is more than or equal to the external diameter of pile tube headboard 2, described junction plate 4 offers bolt hole with offering central through hole and circumference uniform distribution, and make the diameter of this central through hole be greater than the diameter of double threaded screw 3, make the position of this each bolt hole simultaneously, the position of the screwed hole on bore dia and pile tube headboard 2, bore dia is corresponding to the same, difference plug-in mounting high-strength bolt 6 in this each bolt hole, by the lower end section of described double threaded screw 3 through suit bottom pad plate 5 corresponding after the central through hole that junction plate 4 is offered and spinning high-strength nut 7, the hydraulic jack 9 of mounting strap axial central through hole on the epimere of described double threaded screw 3, and top backing plate 8 and spinning high-strength nut 7 are installed in the corresponding top being positioned at hydraulic jack 9 in the upper end section of described double threaded screw 3.
During use, be first positioned at the pile for prestressed pipe 1(single pile treating vertically pulling-resistant static loading test) the left and right sides anchoring pile 11 on set up cuboid and offer the main girder steel of central through hole
10, by the epimere of described double threaded screw 3 through this main girder steel 10, the hydraulic jack 9 of (namely through the epimere position of main girder steel 10) mounting strap axial central through hole on the epimere of described double threaded screw 3, this hydraulic jack 9 is placed on main girder steel 10, and in the upper end section of described double threaded screw 3, top backing plate 8 and spinning high-strength nut 7 are installed, simultaneously, bolt hole on junction plate 4 is corresponding consistent with the screwed hole on pile tube headboard 2, then with high-strength bolt 6, junction plate 4 is fixedly connected with pile tube headboard 2, during test, hydraulic jack 9 and the high-pressure oil pump separately established is connected by high-pressure oil pipe, and use static plate load test instrument control high-pressure oil pump to pressurize to hydraulic jack 9, jacking hydraulic jack 9, by double threaded screw 3 drawing pile for prestressed pipe 1, the pullout tests of pile for prestressed pipe 1 can be carried out, convenient and swift, reusable, experimental data is accurate.
Claims (1)
1. the draw-off gear of a pile for prestressed pipe vertically pulling-resistant static loading test, comprise pile for prestressed pipe (1) and pile tube headboard (2), the concrete prefabricated element that this pile for prestressed pipe (1) is hollow elongate barrel, the pile tube headboard (2) of this annular is welded in the top inner wall of pile for prestressed pipe (1), with the screwed hole of circumference uniform distribution on this pile tube headboard (2), it is characterized in that: the draw-off gear of this pile for prestressed pipe vertically pulling-resistant static loading test also comprises double threaded screw (3), junction plate (4), bottom pad plate (5), high-strength bolt (6), high-strength nut (7), top backing plate (8) and hydraulic jack (9), described double threaded screw 3 is upper end section, lower end Duan Shangjun is with externally threaded cylindrical bar, described junction plate (4) is disc steel plate, and the diameter of this junction plate (4) is more than or equal to the external diameter of pile tube headboard (2), described junction plate (4) offers bolt hole with offering central through hole and circumference uniform distribution, and make the diameter of this central through hole be greater than the diameter of double threaded screw (3), make the position of this each bolt hole simultaneously, the position of the screwed hole on bore dia and pile tube headboard (2), bore dia is corresponding to the same, difference plug-in mounting high-strength bolt (6) in this each bolt hole, by the lower end section of described double threaded screw (3) through suit bottom pad plate (5) corresponding after the central through hole that junction plate (4) is offered and spinning high-strength nut (7), the hydraulic jack (9) of mounting strap axial central through hole on the epimere of described double threaded screw (3), and correspondence is positioned at top installation top backing plate (8) and the spinning high-strength nut (7) of hydraulic jack (9) in the upper end section of described double threaded screw (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420474083.3U CN204112377U (en) | 2014-08-21 | 2014-08-21 | The draw-off gear of pile for prestressed pipe vertically pulling-resistant static loading test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420474083.3U CN204112377U (en) | 2014-08-21 | 2014-08-21 | The draw-off gear of pile for prestressed pipe vertically pulling-resistant static loading test |
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| Publication Number | Publication Date |
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| CN204112377U true CN204112377U (en) | 2015-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420474083.3U Active CN204112377U (en) | 2014-08-21 | 2014-08-21 | The draw-off gear of pile for prestressed pipe vertically pulling-resistant static loading test |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104775457A (en) * | 2015-04-24 | 2015-07-15 | 广东天信电力工程检测有限公司 | Base pile pulling-resistant test device |
| CN105297793A (en) * | 2015-11-13 | 2016-02-03 | 镇江市丹徒区建筑工程质量检测中心 | Device for vertical pulling-resistance static loading test of single pile |
| CN105507351A (en) * | 2016-01-20 | 2016-04-20 | 中国科学院武汉岩土力学研究所 | Non-drainage load test device and method of fixed side confinement socketed piles |
| CN108411952A (en) * | 2018-03-23 | 2018-08-17 | 中国十七冶集团有限公司 | A kind of the detection equipment and detection method of fishing light complementation photovoltaic generation superelevation pile foundation |
| CN111764445A (en) * | 2020-07-03 | 2020-10-13 | 浙江大港桥梁科学研究有限公司 | Counterforce device for pile foundation uplift static load test |
-
2014
- 2014-08-21 CN CN201420474083.3U patent/CN204112377U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104775457A (en) * | 2015-04-24 | 2015-07-15 | 广东天信电力工程检测有限公司 | Base pile pulling-resistant test device |
| CN105297793A (en) * | 2015-11-13 | 2016-02-03 | 镇江市丹徒区建筑工程质量检测中心 | Device for vertical pulling-resistance static loading test of single pile |
| CN105507351A (en) * | 2016-01-20 | 2016-04-20 | 中国科学院武汉岩土力学研究所 | Non-drainage load test device and method of fixed side confinement socketed piles |
| CN108411952A (en) * | 2018-03-23 | 2018-08-17 | 中国十七冶集团有限公司 | A kind of the detection equipment and detection method of fishing light complementation photovoltaic generation superelevation pile foundation |
| CN111764445A (en) * | 2020-07-03 | 2020-10-13 | 浙江大港桥梁科学研究有限公司 | Counterforce device for pile foundation uplift static load test |
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