CN213709220U - Prestressed anchorage utensil is used in public road bridge roof beam construction - Google Patents
Prestressed anchorage utensil is used in public road bridge roof beam construction Download PDFInfo
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- CN213709220U CN213709220U CN202022586123.1U CN202022586123U CN213709220U CN 213709220 U CN213709220 U CN 213709220U CN 202022586123 U CN202022586123 U CN 202022586123U CN 213709220 U CN213709220 U CN 213709220U
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- backing plate
- plate
- anchor
- supporting column
- anchor backing
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- 238000010276 construction Methods 0.000 title claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 9
- 239000010959 steel Substances 0.000 claims abstract description 9
- 238000003825 pressing Methods 0.000 claims abstract description 7
- 238000013016 damping Methods 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 7
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
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Abstract
The utility model discloses a prestressed anchorage device for highway bridge construction, which comprises an anchor backing plate, wherein one side of the anchor backing plate is provided with an anchor plate, a plurality of groups of conical grooves are arranged on the anchor plate, and clamping pieces are arranged in the conical grooves; one side of the anchor backing plate is provided with two groups of slots; a first supporting column and a spring fixing sleeve are arranged on one side of the anchor backing plate, a second supporting column is arranged at one end of the first supporting column, and an adjusting mechanism is arranged at the joint of the first supporting column and the second supporting column; one side of the connecting plate is provided with a plurality of groups of steel strands, and one end of the threaded rib is connected with a connecting sleeve; the connecting sleeve is internally provided with a corrugated pipe, the periphery of the corrugated pipe is provided with a convex block and a clamping block, the connecting sleeve is provided with a rectangular groove and a clamping groove, and the rectangular groove is internally provided with a return spring and a pressing plate; a groove is formed in the clamping groove; the utility model can adjust the height of the anchor backing plate through the adjusting mechanism, and the strength is increased when the anchor backing plate is embedded; the corrugated pipe is rotated to enable the clamping block to slide into the clamping groove, and the reset spring rebounds when the corrugated pipe is loosened, so that the clamping block is located in the groove; the installation and the dismantlement are convenient, improve the practicality.
Description
Technical Field
The utility model relates to a public road bridge roof beam construction technical field specifically is a prestressed anchorage utensil is used in public road bridge roof beam construction.
Background
In the construction process of a highway bridge, the prestressed anchorage device is used during prestressed tensioning of concrete and has the functions of maintaining the tension of the prestressed steel strand and transmitting the tension to the concrete; the existing prestressed anchorage has a complex structure; the integral joints are fixed in a welding mode, so that the assembly and disassembly are inconvenient, and the practicability is reduced; the embedded hole is deep, so that the height of the anchor backing plate cannot be adjusted; resulting in a reduction in pre-buried strength.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a prestressed anchorage device for highway bridge construction, which solves the problem that the existing prestressed anchorage device has complex structure; the integral joints are fixed in a welding mode, so that the assembly and disassembly are inconvenient, and the practicability is reduced; the embedded hole is deep, so that the height of the anchor backing plate cannot be adjusted; leading to the technical problem of reducing the pre-buried strength.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
a prestressed anchorage device for highway bridge construction comprises an anchor backing plate, wherein one side of the anchor backing plate is provided with an anchor plate, a plurality of groups of conical grooves are formed in the anchor plate, and clamping pieces are arranged in the conical grooves; two groups of slots are formed in one side of the anchor backing plate, and the anchor plate is clamped in the slots through inserting blocks; a through hole is formed in one side of the anchor backing plate, and a fastening knob is arranged in the through hole; a first supporting column and a spring fixing sleeve are arranged on one side of the anchor backing plate, a second supporting column is arranged at one end of the first supporting column, and an adjusting mechanism is arranged at the joint of the first supporting column and the second supporting column; a damping spring and a sliding column are arranged in the spring fixing sleeve; one end of the second support column is provided with a connecting plate, one side of the connecting plate is provided with a plurality of groups of steel strands, the steel strands are sleeved with threaded ribs, and one ends of the threaded ribs are connected with connecting sleeves; the connecting sleeve is internally provided with a corrugated pipe, a convex block and a clamping block are arranged on the periphery of the corrugated pipe, a rectangular groove and a clamping groove are formed in the connecting sleeve, and a return spring and a pressing plate are arranged in the rectangular groove; and a groove is formed in the clamping groove.
As a preferred technical scheme of the utility model, the adjusting mechanism comprises a threaded sleeve, annular grooves are formed at one ends of the first supporting column and the second supporting column, and the threaded sleeve is clamped in the annular grooves through a ring; the anchor backing plate is characterized in that a threaded rod is arranged in the threaded sleeve, one end of the threaded rod is connected with a telescopic column, and the telescopic column is fixed with one side of the anchor backing plate.
As the utility model discloses an optimal technical scheme, the anchor backing plate the connecting plate and all set up the slip casting hole of multiunit circular array on the connecting sleeve.
As the utility model discloses a preferred technical scheme, threaded bush week side is provided with the protruding rabdosis of multiunit antiskid.
As the utility model discloses an optimal technical scheme, flexible post one end is provided with the spacing ring.
As an optimal technical scheme of the utility model, the through-hole with the fastening knob is provided with two sets ofly relatively.
The utility model provides a prestressed anchorage utensil is used in public road bridge roof beam construction possesses following beneficial effect:
the utility model inserts the anchor plate into the slot on one side of the anchor backing plate during installation, and screws up the fastening knob to fix the anchor plate through the matching of the inserting block and the slot, thereby being more convenient during installation; the distance between the anchor backing plate and the connecting plate can be adjusted through the adjusting mechanism, so that the anchor backing plate is convenient to use when the embedded hole is deep, and the embedded strength is increased; inserting the corrugated pipe into the connecting sleeve, enabling the convex block to compress the return spring, rotating the corrugated pipe to enable the fixture block to slide into the clamping groove, enabling the return spring to rebound when the corrugated pipe is loosened, and bouncing the fixture block to enable the fixture block to be located in the groove; this prestressed anchorage utensil easy to assemble and dismantlement when using improves the practicality, adjusts the height of anchor backing plate through adjustment mechanism, increases the intensity of pre-buried earth that mixes.
Drawings
FIG. 1 is a schematic perspective view of the prestressed anchorage device for highway bridge construction according to the present invention;
FIG. 2 is an exploded view of the prestressed anchorage device for highway bridge construction;
FIG. 3 is an enlarged view of area a of FIG. 2;
fig. 4 is the utility model discloses the structure chart of adapter sleeve in the prestressed anchorage utensil for highway bridge construction.
In the figure: 1. an anchor backing plate; 2. an anchor plate; 3. a tapered groove; 4. a clip; 5. a slot; 6. inserting a block; 7. fastening a knob; 8. a spring fixing sleeve; 9. a first support column; 10. a second support column; 11. a threaded sleeve; 12. an annular groove; 13. a circular ring; 14. a threaded rod; 15. a telescopic column; 16. a through hole; 17. a connecting plate; 18. a damping spring; 19. a sliding post; 20. steel strand wires; 21. connecting sleeves; 22. a threaded rib; 23. a bellows; 24. a card slot; 25. a groove; 26. a rectangular groove; 27. a return spring; 28. pressing a plate; 29. a clamping block; 30. a bump; 31. anti-skid convex ribs; 32. a limiting ring; 33. and (4) grouting holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1 to 4, the present invention provides a technical solution:
a prestressed anchorage device for highway bridge construction comprises an anchor backing plate 1, wherein one side of the anchor backing plate 1 is provided with an anchor plate 2, a plurality of groups of conical grooves 3 are formed in the anchor plate 2, and clamping pieces 4 are arranged in the conical grooves 3; two groups of slots 5 are formed in one side of the anchor backing plate 1, and the anchor plate 2 is clamped in the slots 5 through inserting blocks 6; a through hole 16 is formed in one side of the anchor backing plate 1, and a fastening knob 7 is arranged in the through hole 16; a first supporting column 9 and a spring fixing sleeve 8 are arranged on one side of the anchor backing plate 1, a second supporting column 10 is arranged at one end of the first supporting column 9, and an adjusting mechanism is arranged at the joint of the first supporting column 9 and the second supporting column 10; a damping spring 18 and a sliding column 19 are arranged in the spring fixing sleeve 8; a connecting plate 17 is arranged at one end of the second supporting column 10, a plurality of groups of steel strands 20 are arranged on one side of the connecting plate 17, threaded ribs 22 are sleeved on the steel strands 20, and one ends of the threaded ribs 22 are connected with connecting sleeves 21; a corrugated pipe 23 is arranged in the connecting sleeve 21, a convex block 30 and a clamping block 29 are arranged on the peripheral side of the corrugated pipe 23, a rectangular groove 26 and a clamping groove 24 are formed in the connecting sleeve 21, and a return spring 27 and a pressing plate 28 are arranged in the rectangular groove 26; a groove 25 is formed in the clamping groove 24.
When the pre-stressed anchor for highway bridge construction is used, one side of an anchor backing plate 1 is provided with an anchor plate 2, a plurality of groups of conical grooves 3 are formed in the anchor plate 2, and clamping pieces 4 are arranged in the conical grooves 3; two groups of slots 5 are formed in one side of the anchor backing plate 1, and the anchor plate 2 is clamped in the slots 5 through inserting blocks 6; a through hole 16 is formed in one side of the anchor backing plate 1, a fastening knob 7 is arranged in the through hole 16, the anchor plate 2 is inserted into the slot 5 formed in one side of the anchor backing plate 1 during installation, the fastening knob 7 is screwed down to fix the anchor plate 2 through the matching of the insertion block 6 and the slot 5, and the installation is more convenient; a first supporting column 9 and a spring fixing sleeve 8 are arranged on one side of the anchor backing plate 1, a second supporting column 10 is arranged at one end of the first supporting column 9, an adjusting mechanism is arranged at the joint of the first supporting column 9 and the second supporting column 10, the distance between the anchor backing plate 1 and the connecting plate 17 can be adjusted through the adjusting mechanism, the anchor backing plate is convenient to use when a pre-buried hole is deep, and the pre-buried strength is increased; the spring fixing sleeve 8 is internally provided with a damping spring 18 and a sliding column 19, so that grouting is performed to buffer the anchor backing plate 1 through the damping spring 18, and the phenomenon that the anchor backing plate 1 is loosened due to too large shaking to influence the strength of pre-buried concrete is avoided; a corrugated pipe 23 is arranged in the connecting sleeve 21, a convex block 30 and a clamping block 29 are arranged on the peripheral side of the corrugated pipe 23, a rectangular groove 26 and a clamping groove 24 are formed in the connecting sleeve 21, and a return spring 27 and a pressing plate 28 are arranged in the rectangular groove 26; a groove 25 is formed in the clamping groove 24; when the corrugated pipe 23 is assembled, the corrugated pipe 23 is inserted into the connecting sleeve 21, the lug 30 compresses the return spring 27, the corrugated pipe 23 is rotated to enable the clamping block 29 to slide into the clamping groove 24, the return spring 27 rebounds when the corrugated pipe 23 is released, the clamping block 29 is bounced, and the clamping block 29 is located in the groove 25; this prestressed anchorage utensil easy to assemble and dismantlement when using improves the practicality, adjusts the height of anchor backing plate 1 through adjustment mechanism, increases the intensity of pre-buried earth that mixes.
Referring to fig. 1 to 3, the adjusting mechanism includes a threaded sleeve 11, an annular groove 12 is formed at each of one ends of the first supporting column 9 and the second supporting column 10, and the threaded sleeve 11 is clamped in the annular groove 12 through a circular ring 13; a threaded rod 14 is arranged in the threaded sleeve 11, one end of the threaded rod 14 is connected with a telescopic column 15, and the telescopic column 15 is fixed with one side of the anchor backing plate 1; the threaded sleeve 11 is rotated to move the threaded rod 14, and the telescopic column 15 is driven to stretch by the movement of the threaded rod 14, so that the height adjustment is realized.
Referring to fig. 1 to 3, a plurality of groups of grouting holes 33 in a circular array are formed in the anchor backing plate 1, the connecting plate 17 and the connecting sleeve 21; the concrete falling speed is accelerated through the grouting holes 33, and the working efficiency is improved.
Referring to fig. 1 to 3, a plurality of sets of anti-slip ribs 31 are disposed around the threaded sleeve 11, and the anti-slip ribs 31 are disposed to avoid slipping caused by rotating the threaded sleeve 11, thereby increasing the practicability.
Referring to fig. 1 to 3, a limiting ring 32 is disposed at one end of the telescopic column 15; the limiting ring 32 is arranged to avoid the telescopic column 15 from sliding out of the first supporting column 9, so that the practicability is increased.
Referring to fig. 1 to 3, two sets of through holes 16 are disposed opposite to the fastening knobs 7; two sets of fastening knobs 7 that set up are in order to strengthen the fixed to anchor slab 2, avoid anchor slab 2 to become flexible.
In summary, when the prestressed anchorage device for highway bridge construction is used, one side of an anchor backing plate 1 is provided with an anchor plate 2, the anchor plate 2 is provided with a plurality of groups of conical grooves 3, and clamping pieces 4 are arranged in the conical grooves 3; two groups of slots 5 are formed in one side of the anchor backing plate 1, and the anchor plate 2 is clamped in the slots 5 through inserting blocks 6; a through hole 16 is formed in one side of the anchor backing plate 1, a fastening knob 7 is arranged in the through hole 16, the anchor plate 2 is inserted into the slot 5 formed in one side of the anchor backing plate 1 during installation, the fastening knob 7 is screwed down to fix the anchor plate 2 through the matching of the insertion block 6 and the slot 5, and the installation is more convenient; a first supporting column 9 and a spring fixing sleeve 8 are arranged on one side of the anchor backing plate 1, a second supporting column 10 is arranged at one end of the first supporting column 9, an adjusting mechanism is arranged at the joint of the first supporting column 9 and the second supporting column 10, the distance between the anchor backing plate 1 and the connecting plate 17 can be adjusted through the adjusting mechanism, the anchor backing plate is convenient to use when a pre-buried hole is deep, and the pre-buried strength is increased; the spring fixing sleeve 8 is internally provided with a damping spring 18 and a sliding column 19, so that grouting is performed to buffer the anchor backing plate 1 through the damping spring 18, and the phenomenon that the anchor backing plate 1 is loosened due to too large shaking to influence the strength of pre-buried concrete is avoided; a corrugated pipe 23 is arranged in the connecting sleeve 21, a convex block 30 and a clamping block 29 are arranged on the peripheral side of the corrugated pipe 23, a rectangular groove 26 and a clamping groove 24 are formed in the connecting sleeve 21, and a return spring 27 and a pressing plate 28 are arranged in the rectangular groove 26; a groove 25 is formed in the clamping groove 24; when the corrugated pipe 23 is assembled, the corrugated pipe 23 is inserted into the connecting sleeve 21, the lug 30 compresses the return spring 27, the corrugated pipe 23 is rotated to enable the clamping block 29 to slide into the clamping groove 24, the return spring 27 rebounds when the corrugated pipe 23 is released, the clamping block 29 is bounced, and the clamping block 29 is located in the groove 25; this prestressed anchorage utensil easy to assemble and dismantlement when using improves the practicality, adjusts the height of anchor backing plate 1 through adjustment mechanism, increases the intensity of pre-buried earth that mixes.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a highway is prestressed anchorage utensil for bridge construction which characterized in that: the anchor plate comprises an anchor backing plate (1), wherein one side of the anchor backing plate (1) is provided with an anchor plate (2), a plurality of groups of conical grooves (3) are formed in the anchor plate (2), and clamping pieces (4) are arranged in the conical grooves (3); two groups of slots (5) are formed in one side of the anchor backing plate (1), and the anchor plate (2) is clamped in the slots (5) through inserting blocks (6); a through hole (16) is formed in one side of the anchor backing plate (1), and a fastening knob (7) is arranged in the through hole (16); a first supporting column (9) and a spring fixing sleeve (8) are arranged on one side of the anchor backing plate (1), a second supporting column (10) is arranged at one end of the first supporting column (9), and an adjusting mechanism is arranged at the joint of the first supporting column (9) and the second supporting column (10); a damping spring (18) and a sliding column (19) are arranged in the spring fixing sleeve (8); a connecting plate (17) is arranged at one end of the second supporting column (10), a plurality of groups of steel strands (20) are arranged on one side of the connecting plate (17), a threaded rib (22) is sleeved on each steel strand (20), and one end of each threaded rib (22) is connected with a connecting sleeve (21); a corrugated pipe (23) is arranged in the connecting sleeve (21), a convex block (30) and a clamping block (29) are arranged on the peripheral side of the corrugated pipe (23), a rectangular groove (26) and a clamping groove (24) are formed in the connecting sleeve (21), and a return spring (27) and a pressing plate (28) are arranged in the rectangular groove (26); and a groove (25) is formed in the clamping groove (24).
2. The pre-stressed anchorage device for highway bridge construction according to claim 1, wherein: the adjusting mechanism comprises a threaded sleeve (11), annular grooves (12) are formed in one ends of the first supporting column (9) and the second supporting column (10), and the threaded sleeve (11) is clamped in the annular grooves (12) through a circular ring (13); a threaded rod (14) is arranged in the threaded sleeve (11), a telescopic column (15) is connected to one end of the threaded rod (14), and the telescopic column (15) is fixed to one side of the anchor backing plate (1).
3. The pre-stressed anchorage device for highway bridge construction according to claim 1, wherein: the anchor backing plate (1), the connecting plate (17) and the connecting sleeve (21) are all provided with a plurality of groups of grouting holes (33) in a circular array.
4. The pre-stressed anchorage device for highway bridge construction according to claim 2, wherein: the periphery of the threaded sleeve (11) is provided with a plurality of groups of anti-skid convex ribs (31).
5. The pre-stressed anchorage device for highway bridge construction according to claim 2, wherein: one end of the telescopic column (15) is provided with a limiting ring (32).
6. The pre-stressed anchorage device for highway bridge construction according to claim 1, wherein: the through holes (16) and the fastening knobs (7) are oppositely provided with two groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022586123.1U CN213709220U (en) | 2020-11-10 | 2020-11-10 | Prestressed anchorage utensil is used in public road bridge roof beam construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022586123.1U CN213709220U (en) | 2020-11-10 | 2020-11-10 | Prestressed anchorage utensil is used in public road bridge roof beam construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213709220U true CN213709220U (en) | 2021-07-16 |
Family
ID=76804433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022586123.1U Expired - Fee Related CN213709220U (en) | 2020-11-10 | 2020-11-10 | Prestressed anchorage utensil is used in public road bridge roof beam construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213709220U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113585088A (en) * | 2021-08-30 | 2021-11-02 | 安徽恒聚精密机械有限公司 | Prestressed anchorage utensil for bridge among construction |
-
2020
- 2020-11-10 CN CN202022586123.1U patent/CN213709220U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113585088A (en) * | 2021-08-30 | 2021-11-02 | 安徽恒聚精密机械有限公司 | Prestressed anchorage utensil for bridge among construction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210716 |
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| CF01 | Termination of patent right due to non-payment of annual fee |