CN216947884U - 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
- Publication number
- CN216947884U CN216947884U CN202123368996.6U CN202123368996U CN216947884U CN 216947884 U CN216947884 U CN 216947884U CN 202123368996 U CN202123368996 U CN 202123368996U CN 216947884 U CN216947884 U CN 216947884U
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- CN
- China
- Prior art keywords
- anchor
- ring
- anchor ring
- locking
- backing plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000010276 construction Methods 0.000 title claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 36
- 239000010959 steel Substances 0.000 claims abstract description 36
- 238000009434 installation Methods 0.000 claims abstract description 17
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 230000006978 adaptation Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- 239000004567 concrete Substances 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011513 prestressed concrete Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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Classifications
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a prestressed anchor for highway bridge construction, which comprises an anchor backing plate and an anchor ring fixedly connected to the anchor backing plate, wherein a plurality of tapered holes are formed in the anchor ring in an array manner, clamping pieces are respectively inserted into the tapered holes, a fixing plate is fixedly connected to the outer side of the anchor ring, steel strands are jointly penetrated through the anchor backing plate, the anchor ring and the fixing plate, mounting holes for penetrating the steel strands are formed in the anchor backing plate and the fixing plate, locking assemblies for locking the ends of the steel strands are respectively arranged on the outer sides of the fixing plate, each locking assembly comprises a first locking block and a second locking block, locking line grooves are respectively formed in the middle parts of the first locking block and the second locking block, threaded holes positioned on two sides of the locking line grooves are respectively correspondingly formed in the first locking block and the second locking block, and locking screws are connected to the threaded holes of the first locking block and the second locking block in a threaded manner. The utility model has simple structure and high installation strength and can ensure the prestress effect.
Description
Technical Field
The utility model belongs to the technical field of prestressed anchorage devices, and particularly relates to a prestressed anchorage device for highway bridge construction.
Background
The prestressed anchorage is an anchorage for prestressed concrete stretching in engineering construction. Generally, the method is often used in bridge construction, the positioning is carried out in advance, then concrete is poured and buried at two ends of the concrete, and the concrete is the end face arranged for the stabilizing effect of a jack during tensioning. The prestressed anchorage utensil will inside steel strand wires take-up in highway and bridge construction and produce the prestressing force, can avoid or postpone the fracture scheduling problem of concrete structure, and current prestressed anchorage utensil is in the use, and its installation strength is high inadequately, and the steel strand wires that prestressed anchorage utensil tip stretches out do not take fixed measure, because the steel strand wires need bear huge pulling force, therefore the steel strand wires of tip are not hard up easily to make the prestressing force effect reduce.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provides the pre-stressed anchor for the construction of the highway bridge, which has a simple structure and high installation strength and can ensure the pre-stressed effect.
In order to solve the technical problem, the utility model adopts the following technical scheme: a prestressed anchorage device for highway bridge construction comprises an anchor backing plate and an anchor ring fixedly connected to the anchor backing plate, wherein a plurality of conical holes are arranged on the anchor ring in an array manner, clamping pieces are respectively inserted into the conical holes, a fixing plate and the anchor backing plate are fixedly connected to the outer side of the anchor ring, the anchor ring wears to be equipped with the steel strand wires on and the fixed plate jointly, set up the mounting hole that is used for wearing to establish the steel strand wires on anchor backing plate and the fixed plate, the steel strand wires wear out through each clamping piece and from the mounting hole on the fixed plate, the fixed plate outside is provided with the locking Assembly who is used for locking each steel strand wires end respectively, locking Assembly includes first latch segment and second latch segment, the wire locking groove has been seted up respectively at first latch segment and second latch segment middle part, correspond respectively on first latch segment and the second latch segment and set up the screw hole that is located the wire locking groove both sides, the screw hole female connection of first latch segment and second latch segment has locking screw.
One side of the anchor backing plate, which is far away from the anchor ring, is fixedly connected with a wire binding ring used for binding the steel strand, and the wire binding ring is fixedly connected with a corrugated pipe used for penetrating the steel strand.
The anchor ring outer wall both sides edge is respectively along a plurality of installation pieces of circumferencial direction interval fixedly connected with, the mounting groove has been seted up to the fixed plate inboard, the mounting groove lateral wall seted up with each mounting block corresponding spread groove, the anchor ring outside card is established in the mounting groove, each installation piece on the anchor ring outside edge corresponds the card and establishes in the spread groove, pass through mounting bolt fixed connection respectively between each installation piece on the anchor ring outside edge and the fixed plate, pass through mounting screw fixed connection between each installation piece on the inboard edge of anchor ring and the anchor backing plate.
And wear-resistant sleeves are fixedly connected in the mounting holes on the anchor backing plate respectively, and the steel strand penetrates through the wear-resistant sleeves.
One side of the anchor backing plate connected with the anchor ring is fixedly connected with a plurality of limiting lugs in a conical structure, the inner side of the anchor ring is provided with limiting grooves matched with the limiting lugs, and the limiting lugs are correspondingly clamped in the limiting grooves.
The clamping piece outer end fixedly connected with is fixed ring, and the bell mouth outer end on the anchor ring is provided with the ladder groove with fixed ring looks adaptation, and fixed ring card is established at the ladder inslot.
By adopting the technical scheme, when the anchor ring is used, the anchor ring is fixedly connected to the anchor backing plate through the mounting screw, each limiting lug on the anchor backing plate is correspondingly clamped with the limiting groove on the side surface of the anchor ring, the fixing plate is mounted on the outer side of the anchor ring through the mounting screw, the steel strand sequentially passes through the corrugated pipe and the wire bundling ring and correspondingly penetrates out of the mounting hole on the anchor backing plate, the wear-resistant sleeve is arranged in the mounting hole on the anchor backing plate, the steel strand penetrates out of the wear-resistant sleeve and penetrates out of the mounting hole of the fixing plate through each clamping piece on the anchor ring.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a side view of the anchor ring of the present invention;
FIG. 3 is a side view of the fixing plate of the present invention;
fig. 4 is a schematic view of the construction of the locking assembly of the present invention.
Detailed Description
As shown in figures 1-4, the utility model relates to a prestressed anchorage device for highway bridge construction, which comprises an anchor backing plate 1 and an anchor ring 2 fixedly connected on the anchor backing plate 1, wherein a plurality of tapered holes are arranged on the anchor ring 2 in an array manner, clamping pieces 3 are respectively inserted into the tapered holes, the outer end of each clamping piece 3 is fixedly connected with a fixing ring 4, the outer end of each tapered hole on the anchor ring 2 is provided with a stepped groove matched with the fixing ring 4, the fixing ring 4 is clamped in the stepped groove, the outer side of the anchor ring 2 is fixedly connected with a fixing plate 5, steel strands 6 are commonly penetrated through the anchor backing plate 1, the anchor ring 2 and the fixing plate 5, the anchor backing plate 1 and the fixing plate 5 are provided with mounting holes for the steel strands 6, the steel strands 6 pass through the clamping pieces 3 and penetrate through the mounting holes on the fixing plate 5, wear-resistant sleeves 7 are respectively fixedly connected in the mounting holes on the anchor backing plate 1, and the steel strands 6 pass through the wear-resistant sleeves 7, one side of the anchor backing plate 1, which is far away from the anchor ring 2, is fixedly connected with a bunching ring 8 for bunching the steel strand 6, the bunching ring 8 is fixedly connected with a corrugated pipe 9 for penetrating the steel strand 6, the outer side of the fixing plate 5 is respectively provided with a locking component 10 for locking the end of each steel strand 6, each locking component 10 comprises a first locking block 11 and a second locking block 12, the middle parts of the first locking block 11 and the second locking block 12 are respectively provided with a locking groove 13, the first locking block 11 and the second locking block 12 are respectively provided with a threaded hole at two sides of the locking groove 13 correspondingly, and the threaded holes of the first locking block 11 and the second locking block 12 are internally threaded with locking screws 14; the anchor ring 2 outer wall both sides edge is respectively along a plurality of installation piece 15 of circumferencial direction interval fixedly connected with, the mounting groove has been seted up to fixed plate 5 inboard, the mounting groove lateral wall is seted up and is installed the spread groove 16 corresponding with each installation piece 15, 2 outside clamps of anchor ring are established in the mounting groove, each installation piece 15 of 2 outside edges of anchor ring corresponds the card and is established in spread groove 16, respectively through mounting bolt 17 fixed connection between each installation piece 15 of 2 outside edges of anchor ring and fixed plate 5, pass through mounting screw 18 fixed connection between each installation piece 15 of 2 inside edges of anchor ring and the anchor backing plate 1, one side fixed connection of anchor backing plate 1 and anchor ring 2 has a plurality of spacing lugs 19 that are the toper structure, the spacing groove with each spacing lug 19 looks adaptation is seted up to anchor ring 2 inboard, spacing lug 19 corresponds the card and establishes at the spacing inslot.
When the anti-loosening anchor ring is used, the anchor ring 2 is fixedly connected to the anchor backing plate 1 through the mounting screw 18, each limiting lug 19 on the anchor backing plate 1 is correspondingly clamped with a limiting groove on the side face of the anchor ring 2, the fixing plate 5 is mounted on the outer side of the anchor ring 2 through the mounting bolt 17, the steel strand 6 sequentially passes through the corrugated pipe 9 and the bunching ring 8 and correspondingly penetrates out of the mounting hole on the anchor backing plate 1, the wear-resistant sleeve 7 is arranged in the mounting hole on the anchor backing plate 1, the steel strand 6 penetrates out of the wear-resistant sleeve 7 and penetrates out of the mounting hole on the fixing plate 5 through each clamping piece 3 on the anchor ring 2, the end of each steel strand 6 extending out of the fixing plate 5 is locked by the locking assembly 10, and the first locking block 11 and the second locking block 12 are locked on the steel strand 6 through the locking screw 14, so that the loosening of the steel strand is avoided and the prestress effect of the steel strand is ensured.
The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any way, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides a highway is prestressed anchorage utensil for bridge construction which characterized in that: including anchor backing plate and the anchor ring of fixed connection on the anchor backing plate, a plurality of bell mouth have been seted up to the array on the anchor ring, it is equipped with the clamping piece to insert respectively in each bell mouth, anchor ring outside fixedly connected with fixed plate, the anchor backing plate, wear to be equipped with steel strand wires on anchor ring and the fixed plate jointly, set up the mounting hole that is used for wearing to establish steel strand wires on anchor backing plate and the fixed plate, steel strand wires wear out through each clamping piece and the mounting hole on the fixed plate, the fixed plate outside is provided with the locking Assembly who is used for locking each steel strand wires end respectively, locking Assembly includes first latch segment and second latch segment, the wire locking groove has been seted up respectively to first latch segment and second latch segment middle part, correspond respectively on first latch segment and the second latch segment and set up the screw hole that is located the wire locking groove both sides, the screw hole internal thread of first latch segment and second latch segment is connected with locking screw.
2. The pre-stressed anchorage device for highway bridge construction according to claim 1, wherein: one side of the anchor backing plate, which is far away from the anchor ring, is fixedly connected with a wire binding ring used for binding the steel strand, and the wire binding ring is fixedly connected with a corrugated pipe used for penetrating the steel strand.
3. The pre-stressed anchorage device for highway bridge construction according to claim 2, wherein: the anchor ring outer wall both sides edge is respectively along a plurality of installation pieces of circumferencial direction interval fixedly connected with, the mounting groove has been seted up to the fixed plate inboard, the mounting groove lateral wall is seted up and is installed the spread groove corresponding with each installation piece, the anchor ring outside card is established in the mounting groove, each installation piece of the anchor ring outside edge corresponds the card and establishes in the spread groove, pass through mounting bolt fixed connection between each installation piece of the anchor ring outside edge and the fixed plate respectively, pass through mounting screw fixed connection between each installation piece of the inboard edge of anchor ring and the anchor backing plate.
4. The pre-stressed anchor for road and bridge construction of claim 3, wherein: and wear-resistant sleeves are fixedly connected in the mounting holes on the anchor backing plate respectively, and the steel strand penetrates through the wear-resistant sleeves.
5. The pre-stressed anchor for road and bridge construction of claim 4, wherein: one side of the anchor backing plate connected with the anchor ring is fixedly connected with a plurality of limiting lugs in a conical structure, the inner side of the anchor ring is provided with limiting grooves matched with the limiting lugs, and the limiting lugs are correspondingly clamped in the limiting grooves.
6. The pre-stressed anchorage device for highway bridge construction according to claim 5, wherein: the clamping piece outer end fixedly connected with is fixed ring, and the bell mouth outer end on the anchor ring is provided with the ladder groove with fixed ring looks adaptation, and fixed ring card is established at the ladder inslot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123368996.6U CN216947884U (en) | 2021-12-30 | 2021-12-30 | Prestressed anchorage utensil is used in public road bridge roof beam construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123368996.6U CN216947884U (en) | 2021-12-30 | 2021-12-30 | Prestressed anchorage utensil is used in public road bridge roof beam construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216947884U true CN216947884U (en) | 2022-07-12 |
Family
ID=82313080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123368996.6U Expired - Fee Related CN216947884U (en) | 2021-12-30 | 2021-12-30 | Prestressed anchorage utensil is used in public road bridge roof beam construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216947884U (en) |
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2021
- 2021-12-30 CN CN202123368996.6U patent/CN216947884U/en not_active Expired - Fee Related
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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: 20220712 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |