CN205426502U - Prestressing force strand steering gear mechanical testing device - Google Patents
Prestressing force strand steering gear mechanical testing device Download PDFInfo
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- CN205426502U CN205426502U CN201620203933.5U CN201620203933U CN205426502U CN 205426502 U CN205426502 U CN 205426502U CN 201620203933 U CN201620203933 U CN 201620203933U CN 205426502 U CN205426502 U CN 205426502U
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- steering gear
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- anchor
- draw
- assembly
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Abstract
The utility model discloses a prestressing force strand steering gear mechanical testing device relates to strand steering gear field, and the device includes anchor subassembly and stretch -draw subassembly, the anchor subassembly is located steering gear one side, just the anchor subassembly is including the anchor part that is used for anchor prestressing force strand one end to and the first pressure ring of measurement prestressing force strand at anchor subassembly position axial pressure, the level of anchor part is the same with the steering gear, the stretch -draw subassembly is located the steering gear opposite side, the stretch -draw subassembly includes the stretch -draw part of the stretch -draw prestressing force strand other end to and measure prestressing force strand at stretch -draw subassembly position axial pressure's third pressure ring, simultaneously, the anchor subassembly with at least one height -adjustable of stretch -draw subassembly. The utility model discloses the performance parameter to the steering gear that can be more convenient, accurate tests.
Description
Technical field
This utility model relates to steel bundle steering gear field, is specifically related to a kind of prestressed strand steering gear mechanical property test device.
Background technology
In the prestressed stretch-draw of prestressed reinforced concrete construction, be divided into pre-tensioning system and two kinds of construction technologies of post stretching, pre-tensioning system have prestressing force clearly, without pipeline, save the advantages such as mud jacking, thus be gradually generally used.Simultaneously, broken line is joined bundle and be can solve the problem that traditional line joins the structural span of bundle and the deficiency of dimension-limited, thus use the broken line of pre-tensioning system to join bundle prestressed concrete beam and be gradually started application, prestressed strand steering gear is to realize broken line to join the key member of bundle, accordingly, it is determined that the mechanical property parameters of prestressed strand steering gear seems most important.The existing prestressed loss mainly or caused for steering gear about the test of prestressed strand steering gear performance, test by pasting foil gauge at steel strand surface, but owing to steel strand wires are formed by many steel wires are stranded, being difficult to directly record the logarithmic strain of steel strand wires, relatively big and for steering gear performance parameter the test of test result error is the most comprehensive.
Utility model content
For defect present in prior art, the purpose of this utility model is to provide a kind of prestressed strand steering gear mechanical property test device, it is possible to more convenient, test the performance parameter of steering gear accurately.
For reaching object above, this utility model adopts the technical scheme that: include anchoring assembly and stretch-draw assembly, described anchoring assembly is positioned at steering gear side, and described anchoring assembly includes the anchor part for anchoring prestress steel Shu Yiduan, and measure the prestressed strand the first pressure rings in anchoring assembly position axial compressive force, the level height of described anchor part is identical with steering gear；Described stretch-draw assembly is positioned at steering gear opposite side, and described stretch-draw assembly is different from the height of described anchoring assembly, described stretch-draw assembly includes the stretch-draw parts of the stretch-draw prestressing force steel bundle other end, and measure the prestressed strand the 3rd pressure rings in stretch-draw module position axial compressive force, meanwhile, described anchoring assembly and described at least one height adjustable of stretch-draw assembly.
On the basis of technique scheme, described first pressure rings and the 3rd pressure rings are all connected with a synchronization Acquisition Instrument.
On the basis of technique scheme, described anchoring assembly, steering gear and stretch-draw assembly are both secured on the earth anchor that is provided with below described steering gear.
On the basis of technique scheme, described anchoring assembly also includes anchor frame, described anchor frame is perpendicularly fixed on earth anchor, and anchor frame is provided with for through the vertically movable slotted eye of the prestressed strand of anchor frame, described first pressure rings be respectively arranged at two ends with the first backing plate and the second backing plate.
On the basis of technique scheme, described stretch-draw assembly also includes the counter force wall being perpendicular on earth anchor, described 3rd pressure rings be respectively arranged at two ends with the 4th backing plate and the 5th backing plate.
On the basis of technique scheme, described steering gear is fixed on earth anchor by anchor pole, and anchor pole is provided with, through the part of earth anchor, the second pressure rings measuring steering gear at ground anchor location vertical tension through earth anchor, anchor pole.
On the basis of technique scheme, the upper end of described anchor pole is fixed with a bogie, and the two ends of described steering gear are fixed on bogie.
On the basis of technique scheme, one end of described second pressure rings is provided with the anchoring nut for fixing anchor bar, and the other end is provided with the 3rd backing plate.
On the basis of technique scheme, described first pressure rings, the second pressure rings and the 3rd pressure rings are all connected with a synchronization Acquisition Instrument.
On the basis of technique scheme, also include a transfer being arranged between described steering gear and stretch-draw assembly, described transfer includes bracing frame and the assisted diversion device being positioned on bracing frame, and described assisted diversion device is identical with the level height of described stretch-draw parts.
Compared with prior art, the utility model has the advantage of:
(1) recorded the force value at the two ends of the prestressed strand of stretch-draw by pressure rings, and by synchronous acquisition instrument, data are acquired, whole test process simple operation, and test data result is accurate.
(2) by prestressed strand and the height of steering gear of regulation anchoring assembly one end, when prestressed strand can be in different steering angle, the mechanical property of steering gear is tested.
(3) it is possible not only to record the loss of prestress of the prestressed strand that steering gear causes by this prestressed strand steering gear mechanical property test device, can also record the coefficient of friction of the load transmission efficiency of steering gear and steering gear and prestress steel interfascicular, performance test is comprehensive.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model a kind of prestressed strand steering gear mechanical property test device；
Fig. 2 is the side view of steering gear.
In figure: 1-anchoring assembly, 101-anchor frame, 102-the first backing plate, 103-the first pressure rings, 104-the second backing plate, 105-anchor part, 2-earth anchor, 3-steering gear, 301-bogie, 302-anchor pole, 303-the 3rd backing plate, 304-the second pressure rings, 305-anchors nut, 4-transfer, 401-bracing frame, 402-assisted diversion device, 5-prestressed strand, 6-stretch-draw assembly, 601-the 4th backing plate, 602-the 3rd pressure rings, 603-the 5th backing plate, 604-stretch-draw parts, 605-counter force wall, 7-synchronous acquisition instrument.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in further detail.
See Fig. 1, shown in 2, this utility model provides a kind of prestressed strand steering gear mechanical property test device, including anchoring assembly 1 and stretch-draw assembly 6, described anchoring assembly 1 is positioned at steering gear 3 side, and anchoring assembly 1 includes the anchor part 105 for anchoring prestress steel bundle 5 one end, and measure the prestressed strand 5 first pressure rings 103 in anchoring assembly 1 position axial compressive force, the level height of anchor part 105 is identical with steering gear 3；Described stretch-draw assembly 6 is positioned at steering gear 3 opposite side, and stretch-draw assembly 6 is different from the height of anchoring assembly 1, described stretch-draw assembly 6 includes the stretch-draw parts 604 of stretch-draw prestressing force steel bundle 5 other end, and measure the prestressed strand 5 the 3rd pressure rings 602 in stretch-draw assembly 6 position axial compressive force, stretch-draw parts 604 generally punching jack, above-mentioned anchoring assembly 1 and stretch-draw assembly 6 at least one be adjustable for height.Anchoring assembly 1, steering gear 3 and stretch-draw assembly 6 are both secured on the earth anchor 2 that is provided with below steering gear 3.First pressure rings 103 and the 3rd pressure rings 602 are all connected with a synchronization Acquisition Instrument 7, and the pressure value that the first pressure rings 103 and the 3rd pressure rings 602 are recorded by synchronous acquisition instrument 7 is acquired, convenient and accurate.
What anchoring assembly 1 was concrete also includes anchor frame 101, anchor frame 101 is perpendicularly fixed on earth anchor 2, and anchor frame 101 is provided with for the slotted eye vertically movable through the prestressed strand 5 of anchor frame 101, prestressed strand 5 through in anchor frame 101, is respectively arranged at two ends with, in the first pressure rings 103, the first backing plate 102 and the second backing plate 104 being set on prestressed strand 5.Stretch-draw assembly 6 also includes the counter force wall 605 being perpendicular on earth anchor 2, and prestressed strand 5 through counter force wall 605, is respectively arranged at two ends with, in the 3rd pressure rings 602, the 4th backing plate 601 and the 5th backing plate 603 being set on prestressed strand 5.
Steering gear 3 is fixed on earth anchor 2 by anchor pole 302, and anchor pole 302 is provided with, through the part of earth anchor 2, the second pressure rings 304 measuring steering gear 3 at earth anchor 2 position vertical tension through earth anchor 2, anchor pole 302, and the second pressure rings 304 is also connected with synchronous acquisition instrument 7.Prestressed strand 5 passes from the lower section of steering gear 3, one end of second pressure rings 304 is provided with the anchoring nut 305 for fixing anchor bar 302, by rotating the anchoring nut 305 i.e. height of scalable steering gear 3, the other end of the second pressure rings 304 is provided with the 3rd backing plate 303.The upper end of anchor pole 302 is fixed with a bogie 301, and the two ends of steering gear 3 are fixed on bogie 301.A transfer 4 it is provided with between steering gear 3 and stretch-draw assembly 6, transfer 4 includes bracing frame 401 and the assisted diversion device 402 being positioned on bracing frame 401, assisted diversion device 402 is identical with the level height of stretch-draw parts 604, and assisted diversion device 402 is the steering gear that model is identical with steering gear 3.
When test, by the height of regulation steering gear 3 and the height of the prestressed strand 5 through anchor frame 101, but meet that steering gear 3 is identical with through the level height of prestressed strand 5 of anchor frame 101 and height less than the prestressed strand 5 being positioned at stretch-draw assembly 6 end all the time, then after prestressed strand 5 being carried out stretch-draw by stretch-draw parts 604, when prestressed strand 5 is in different steering angle, the mechanical property of steering gear 3 can be tested.
Force value N according to the first pressure rings 103 that synchronous acquisition instrument 7 gathers1, force value N of the second pressure rings 3042Force value N with the 3rd pressure rings 6023, can obtain:
This utility model is not only limited to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present utility model; no matter but in its shape or structure, make any change; every have same or like with this utility model as technical scheme, all within its protection domain.
Claims (10)
1. a prestressed strand steering gear mechanical property test device, it is characterised in that including:
Anchoring assembly (1), described anchoring assembly (1) is positioned at steering gear (3) side, and described anchoring assembly (1) includes the anchor part (105) for anchoring prestress steel bundle (5) one end, and measure the prestressed strand (5) the first pressure rings (103) in anchoring assembly (1) position axial compressive force, the level height of described anchor part (105) is identical with steering gear (3)；
Stretch-draw assembly (6), described stretch-draw assembly (6) is positioned at steering gear (3) opposite side, and described stretch-draw assembly (6) is different from the height of described anchoring assembly (1), described stretch-draw assembly (6) includes the stretch-draw parts (604) of stretch-draw prestressing force steel bundle (5) other end, and measure the prestressed strand (5) the 3rd pressure rings (602) in stretch-draw assembly (6) position axial compressive force, simultaneously
Described anchoring assembly (1) and described stretch-draw assembly (6) at least one height adjustable.
2. a kind of prestressed strand steering gear mechanical property test device as claimed in claim 1, it is characterised in that: described first pressure rings (103) and the 3rd pressure rings (602) are all connected with a synchronization Acquisition Instrument (7).
3. a kind of prestressed strand steering gear mechanical property test device as claimed in claim 1, it is characterised in that: described anchoring assembly (1), steering gear (3) and stretch-draw assembly (6) are both secured on the earth anchor (2) that described steering gear (3) lower section is provided with.
4. a kind of prestressed strand steering gear mechanical property test device as claimed in claim 3, it is characterized in that: described anchoring assembly (1) also includes anchor frame (101), described anchor frame (101) is perpendicularly fixed on earth anchor (2), and anchor frame (101) is provided with for through the vertically movable slotted eye of the prestressed strand (5) of anchor frame (101), described first pressure rings (103) be respectively arranged at two ends with the first backing plate (102) and the second backing plate (104).
5. a kind of prestressed strand steering gear mechanical property test device as claimed in claim 3, it is characterized in that: described stretch-draw assembly (6) also includes the counter force wall (605) being perpendicular on earth anchor (2), described 3rd pressure rings (602) be respectively arranged at two ends with the 4th backing plate (601) and the 5th backing plate (603).
6. a kind of prestressed strand steering gear mechanical property test device as claimed in claim 3, it is characterized in that: described steering gear (3) is fixed on earth anchor (2) by anchor pole (302), and anchor pole (302) is provided with, through the part of earth anchor (2), the second pressure rings (304) measuring steering gear (3) at earth anchor (2) position vertical tension through earth anchor (2), anchor pole (302).
7. a kind of prestressed strand steering gear mechanical property test device as claimed in claim 6, it is characterized in that: the upper end of described anchor pole (302) is fixed with a bogie (301), the two ends of described steering gear (3) are fixed on bogie (301).
8. a kind of prestressed strand steering gear mechanical property test device as claimed in claim 6, it is characterized in that: one end of described second pressure rings (304) is provided with the anchoring nut (305) for fixing anchor bar (302), the other end is provided with the 3rd backing plate (303).
9. a kind of prestressed strand steering gear mechanical property test device as claimed in claim 6, it is characterised in that: described first pressure rings (103), the second pressure rings (304) and the 3rd pressure rings (602) are all connected with a synchronization Acquisition Instrument (7).
10. a kind of prestressed strand steering gear mechanical property test device as claimed in claim 1, it is characterized in that: also include a transfer (4) being arranged between described steering gear (3) and stretch-draw assembly (6), described transfer (4) includes bracing frame (401) and the assisted diversion device (402) being positioned on bracing frame (401), and described assisted diversion device (402) is identical with the level height of described stretch-draw parts (604).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620203933.5U CN205426502U (en) | 2016-03-17 | 2016-03-17 | Prestressing force strand steering gear mechanical testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620203933.5U CN205426502U (en) | 2016-03-17 | 2016-03-17 | Prestressing force strand steering gear mechanical testing device |
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| Publication Number | Publication Date |
|---|---|
| CN205426502U true CN205426502U (en) | 2016-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620203933.5U Active CN205426502U (en) | 2016-03-17 | 2016-03-17 | Prestressing force strand steering gear mechanical testing device |
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| CN (1) | CN205426502U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109797984A (en) * | 2019-03-22 | 2019-05-24 | 东南大学 | A kind of multi-purpose transfer of the external prestressing steels of variable curvature |
| CN109855984A (en) * | 2018-12-05 | 2019-06-07 | 中国建筑股份有限公司 | A kind of unidirectional compression shear loading device and its application method |
-
2016
- 2016-03-17 CN CN201620203933.5U patent/CN205426502U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109855984A (en) * | 2018-12-05 | 2019-06-07 | 中国建筑股份有限公司 | A kind of unidirectional compression shear loading device and its application method |
| CN109855984B (en) * | 2018-12-05 | 2022-02-22 | 中国建筑股份有限公司 | Unidirectional compression shear loading device and application method thereof |
| CN109797984A (en) * | 2019-03-22 | 2019-05-24 | 东南大学 | A kind of multi-purpose transfer of the external prestressing steels of variable curvature |
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