CN109057163B - Quick-mounting prestressed special anchorage device - Google Patents
Quick-mounting prestressed special anchorage device Download PDFInfo
- Publication number
- CN109057163B CN109057163B CN201811146173.9A CN201811146173A CN109057163B CN 109057163 B CN109057163 B CN 109057163B CN 201811146173 A CN201811146173 A CN 201811146173A CN 109057163 B CN109057163 B CN 109057163B
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- China
- Prior art keywords
- movable
- angle adjusting
- plate
- anchorage device
- anchor
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/08—Members specially adapted to be used in prestressed constructions
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/08—Members specially adapted to be used in prestressed constructions
- E04C5/12—Anchoring devices
- E04C5/122—Anchoring devices the tensile members are anchored by wedge-action
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Clamps And Clips (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a quick-assembly type special prestressed anchorage device, which comprises anchorage device clamping pieces, fixed anchorage devices, movable anchorage devices and connecting bolts, wherein the side wall of the bottom end of each square hole is provided with a limiting block; the tail end of the connecting bolt is provided with an external thread, and the connecting bolt penetrates through the through hole and then is matched with the threaded blind hole. The invention can install a plurality of anchor clamps at one time, is convenient to operate and simple and quick to install the bridge reinforcement prestress special anchor.
Description
Technical Field
The invention relates to a quick-assembly type prestress special anchorage device.
Background
The anchorage device is a permanent anchorage device used in prestressed concrete, and is an anchorage tool used in a post-tensioning structure or a post-tensioning member for maintaining the tensile force of a prestressed tendon and transmitting the tensile force to the interior of the concrete. The method is widely applied to the fields of highway bridges, railway bridges, urban overpasses, urban light rails, high-rise buildings, water conservancy and hydropower dams, ports and wharfs, tunnel mine roof anchor tops, subways, large containers, ships, sleepers and the like.
The method for placing the anchorage device on the steel bar at the present stage is single, firstly the fixed anchorage device is sleeved on the steel bar, then the anchorage device clamping pieces are placed in the gaps between the two sides of the steel bar and the through holes of the fixed anchorage device one by one, and then the pressure is applied for fixing. At the present stage, no proper anchor device installation tool is used for replacing manual installation, and the manual installation can be only performed one time, so that the time is wasted, and the efficiency is not high.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the quick-assembly type prestress special anchor which can be used for installing a plurality of anchor clamping pieces at one time, can adapt to anchor clamping pieces with different steel bar diameters and different specifications, is convenient to operate and is simple and quick to install.
The technical scheme adopted by the invention for solving the technical problems is as follows: a quick-assembly type prestressed special anchorage device comprises an anchorage device clamping piece, a fixed anchorage device, a movable anchorage device and a connecting bolt, wherein a plurality of steel bar through holes and a plurality of threaded blind holes are arranged on the fixed anchorage device, a plurality of square holes which are in one-to-one correspondence with the steel bar through holes and a plurality of through holes which are in one-to-one correspondence with the threaded blind holes are arranged on the movable anchorage device, a limiting block is arranged on the side wall of the bottom end of each square hole, an angle adjusting plate is arranged on the upper side of the bottom of each square hole, an angle adjusting shaft is arranged below the angle adjusting plate, arc-shaped protruding blocks with different heights are arranged at the front end of the angle adjusting shaft, the lower end of the angle adjusting plate is in contact with the protruding blocks, the tail end of the angle adjusting shaft penetrates out of the outer side wall of the movable anchorage device, and an alignment, an angle indicating line is arranged at the tail end of the angle adjusting shaft;
a circular through hole is formed in the center of the bottom of each square hole, inclined movable plates are arranged on the left side wall and the right side wall of each square hole, the top end of each movable plate is hinged to the movable anchorage device, a spring I is arranged between the lower end of each movable plate and the movable anchorage device, and the anchorage device clamping pieces are placed in the square holes;
and the tail end of the connecting bolt is provided with an external thread, and the connecting bolt penetrates through the through hole and then is matched with the threaded blind hole.
Furthermore, a spring II is sleeved on the connecting bolt and is positioned between the movable anchorage device and the fixed anchorage device.
Furthermore, angle adjusting device includes bottom plate, roof and spring III, the top of bottom plate with the top of roof is articulated to be connected, angle adjusting device's front end is articulated to be connected the bottom of quad slit, the end of bottom plate with the end of roof passes through spring coupling.
Furthermore, a positioning groove is arranged at the front end of the movable anchorage device.
Further, the movable plate is an arc-shaped plate matched with the anchorage device clamping piece.
Furthermore, the limiting block is a cylinder.
The invention has the beneficial effects that: the method can replace a method for installing the anchor clamping pieces singly, the anchor clamping pieces are placed in the square through holes, the anchor clamping pieces are clamped tightly under the action of the movable plate, the angle adjusting plate and the limiting block, the angle of the angle adjusting plate can be conveniently adjusted through the angle adjusting shaft, and the method is suitable for anchor clamping pieces with different specifications. The connecting bolt connects the movable anchor with the fixed anchor, provides positioning function for the anchor clamping piece to sleeve the reinforcing steel bar, and also plays a guiding role when the anchor clamping piece is pressed.
The spring II sleeved on the connecting bolt can enable the movable anchorage device to automatically rebound to the original position after the anchorage device clamping piece is installed on the steel fastener, and the spring II can ensure the stability between the fixed anchorage device and the movable anchorage device and cannot move in the installation process.
Drawings
The invention will be further described with reference to the following figures 1 to 9 and examples:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the connection of the present invention;
FIG. 3 is a schematic view of an assembly of a movable anchor and anchor clips of the present invention;
FIG. 4 is a schematic view of a fixed anchorage assembly according to the invention;
FIG. 5 is a schematic cross-sectional view of an anchor clip of the present invention installed in a movable anchor;
FIG. 6 is a schematic view of an angle adjusting shaft according to the present invention;
FIG. 7 is a view showing a state in which an angle adjusting shaft and an angle adjusting plate are engaged with each other according to the present invention;
FIG. 8 is a view showing a state where the angle adjusting shaft is engaged with the angle adjusting plate (the groove is schematically shown to show the positions of the angle adjusting plate and the groove);
FIG. 9 is a schematic view of an angle indicating line on the angle adjusting shaft according to the present invention;
in the figure, an anchor clamping piece 1, a movable anchor 2, a square hole 21, a through hole 22, a limiting block 23, a spring I24, a movable plate 25, a circular through hole 26, an alignment line 27, a groove 28, a fixed anchor 3, a steel bar through hole 31, a threaded blind hole 32, a connecting bolt 4, a spring II 5, a positioning groove 6, an angle adjusting plate 7, a top plate 71, a bottom plate 72, a spring III 73, an angle adjusting shaft 8, a convex block 81 and an angle indicating line 82.
Detailed Description
For a better understanding of the present invention, embodiments of the present invention are explained in detail below with reference to fig. 1 to 9.
The invention comprises an anchor clamping piece 1, a fixed anchor 3, a movable anchor 2 and a connecting bolt 4, wherein the fixed anchor 3 is provided with a plurality of steel bar through holes 31 and a plurality of (preferably two) threaded blind holes 32, the movable anchor 2 is provided with a plurality of square holes 21 which are in one-to-one correspondence with the steel bar through holes 31 and a plurality of through holes 22 which are in one-to-one correspondence with the threaded blind holes 32, two limiting blocks 23 are symmetrically arranged on two side walls at the bottom end of each square hole 21, one limiting block 23 is shown in figure 3, the opposite side of each limiting block is provided with one limiting block, the anchor clamping piece can be conveniently drawn out by clamping the limiting blocks 23 by the two anchor clamping pieces, and the limiting blocks 23 are. An angle adjusting plate 7 is symmetrically arranged at the bottom of each square through hole 21.
As for the structure of the angle adjusting plates 7, as shown in fig. 7 and 8, each of the angle adjusting plates 7 includes a bottom plate 72, a top plate 71 and a spring iii 73, the top end of the bottom plate 72 is hinged to the top end of the top plate 71, and the top end of the whole angle adjusting plate 7 is hinged to the bottom of the square hole 21, and the specific hinge connection mode can be that the top end of the bottom plate 72 and the top end of the top plate 71 are connected through a shaft, and the bottom plate 72 and the top plate 71 which are fixed to the bottom of the square hole 21 can rotate around the shaft. Or a hinge is adopted, two ends of a shaft in the middle of the hinge are fixed at the bottom of the square hole 21, and two blades of the hinge are respectively and fixedly connected with the bottom plate 72 and the top plate 71. The bottom plate 72 and the top plate 71 can rotate relatively, and the whole angle adjusting plate 7 can rotate around the hinged joint at the top end. The end of the bottom plate 72 and the end of the top plate 71 are connected by a spring iii 73. The two angle adjusting plates 7 are symmetrically arranged, and one angle adjusting plate 7 is arranged at the bottom of each anchor clamping piece.
A groove 28 is formed below the angle adjusting plate 7, as shown in fig. 8, and preferably, the top end of the angle adjusting plate 7 is hinged above the groove 28. An angle adjusting shaft 8 is arranged in the groove 28, and arc-shaped protruding blocks 81 with different heights are arranged at the front end of the angle adjusting shaft 8, preferably three protruding blocks 81 are adopted. As shown in fig. 6, the angle-adjusting shaft 8 includes a thin rod and a disc at the front end of the thin rod, a protruding block 81 is provided on the disc, a protruding screwing-holding end or a groove identical to the groove on the screw is provided at the end of the thin rod, and the screw can be easily screwed by inserting a sheet-like object matching with the groove during screwing. The lower end of the angle adjusting plate 7 is in contact with the protruding block 81, the tail end of the angle adjusting shaft 8 penetrates out of the outer side wall of the movable anchorage device 2, an alignment line 27 is arranged on one side, located on the angle adjusting shaft 8, of the outer side wall of the movable anchorage device 2, and an angle indicating line 82 is arranged at the tail end of the angle adjusting shaft 8. As shown in fig. 9, three angle indicating lines 82 are provided at the end of the angle adjusting shaft 8 corresponding to the three convex blocks, and an angle indicator is provided at one side of each angle indicating line 82.
A circular through hole 26 is formed in the center of the bottom of each square hole 21, inclined movable plates 25 are arranged on the left side wall and the right side wall of each square hole 21, the top end of each movable plate 25 is hinged to the movable anchorage device 2, a spring I24 is arranged between the lower end of each movable plate 25 and the movable anchorage device 2, and two ends of each spring I24 are connected with the movable plates 25 and the movable anchorage devices 2. The anchor clip 1 is placed in the square hole 21. For better fit, the movable plate 25 is an arc-shaped plate that fits the floor of the anchor clip 1.
The tail end of the connecting bolt 4 is provided with an external thread, and the connecting bolt 4 is matched with the threaded blind hole 32 after penetrating through the through hole 22. In order to enable the movable anchorage device to automatically rebound to the original position after the anchorage device clamping piece is installed on the steel fixture, and the spring II can ensure the stability between the fixed anchorage device and the movable anchorage device and cannot move in the installation process, the connecting bolt 4 is sleeved with the spring II 5, and the spring II 5 is positioned between the movable anchorage device 2 and the fixed anchorage device 3.
In order to facilitate accurate positioning of the knocking rod during knocking, the front end of the movable anchorage device 2 is provided with a positioning groove 6.
The using method of the invention is as follows: the height of the angle adjusting plate 7 is adjusted through the angle adjusting shaft 8, the anchor clamps 1 are placed into the square holes 21, the limiting blocks 23, the angle adjusting plate 7 and the movable plate 25 clamp the anchor clamps, the top ends of the two anchor clamps 1 are opened, and as shown in fig. 5, the diameter of the top ends of the opened anchor clamps is slightly smaller than that of the bottom of the two anchor clamps. Then connect movable ground tackle 2 and fixed ground tackle 3 through two connecting bolt 4, pass the reinforcing bar from fixed ground tackle 3's reinforcing bar through-hole 31 in proper order, between ground tackle clamping piece 1 and circular through-hole 26, push away movable ground tackle 2 and fixed ground tackle 3 to the reinforcing bar bottom, push down movable ground tackle 2 for the first time with the hand, make the front end of ground tackle clamping piece 1 insert reinforcing bar through-hole 31, then strike with strikeing pole alignment positioning groove 6, make ground tackle clamping piece 1 slowly get into reinforcing bar through-hole 31, pull down connecting bolt at last, take off movable ground tackle.
Claims (6)
1. A quick-assembly type prestressed special anchorage device comprises an anchorage device clamping piece, a fixed anchorage device and a movable anchorage device and a connecting bolt, wherein a plurality of steel bar through holes and a plurality of threaded blind holes are arranged on the fixed anchorage device, a plurality of square holes which are in one-to-one correspondence with the steel bar through holes and a plurality of through holes which are in one-to-one correspondence with the threaded blind holes are arranged on the movable anchorage device, a limiting block is arranged on the side wall of the bottom end of each square hole, an angle adjusting plate is arranged on the upper side of the bottom of each square hole, an angle adjusting shaft is arranged below each angle adjusting plate, arc-shaped protruding blocks with different heights are arranged at the front end of each angle adjusting shaft, the lower end of each angle adjusting plate is in contact with the protruding blocks, the tail end of each angle adjusting shaft penetrates out the outer side wall of the movable anchorage device, an alignment line is arranged on one side, an angle indicating line is arranged at the tail end of the angle adjusting shaft;
a circular through hole is formed in the center of the bottom of each square hole, inclined movable plates are arranged on the left side wall and the right side wall of each square hole, the top end of each movable plate is hinged to the movable anchorage device, a spring I is arranged between the lower end of each movable plate and the movable anchorage device, and the anchorage device clamping pieces are placed in the square holes;
and the tail end of the connecting bolt is provided with an external thread, and the connecting bolt penetrates through the through hole and then is matched with the threaded blind hole.
2. The quick-assembly pre-stressed special anchor device according to claim 1, wherein a spring II is sleeved on the connecting bolt and positioned between the movable anchor device and the fixed anchor device.
3. The quick-assembly pre-stress special anchor device according to claim 1, wherein the angle adjusting plate comprises a bottom plate, a top plate and a spring III, the top end of the bottom plate is hinged with the top end of the top plate, the front end of the angle adjusting plate is hinged with the bottom of the square hole, and the tail end of the bottom plate is connected with the tail end of the top plate through the spring.
4. The quick-assembly pre-stressed special anchor device of claim 1, wherein a positioning groove is arranged at the front end of the movable anchor device.
5. The ready-package pre-stressed special anchor of claim 1, wherein the movable plate is an arc plate cooperating with the anchor jaws.
6. The quick-assembly pre-stressed special anchor device of claim 1, wherein the limiting block is a cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811146173.9A CN109057163B (en) | 2018-09-29 | 2018-09-29 | Quick-mounting prestressed special anchorage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811146173.9A CN109057163B (en) | 2018-09-29 | 2018-09-29 | Quick-mounting prestressed special anchorage device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109057163A CN109057163A (en) | 2018-12-21 |
| CN109057163B true CN109057163B (en) | 2020-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811146173.9A Expired - Fee Related CN109057163B (en) | 2018-09-29 | 2018-09-29 | Quick-mounting prestressed special anchorage device |
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| Country | Link |
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| CN (1) | CN109057163B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109975111B (en) * | 2019-03-29 | 2024-03-22 | 镇江市建设工程质量检测中心有限公司 | Anchor clamping piece fixing device |
| CN111472282B (en) * | 2020-04-23 | 2021-03-19 | 乔磊 | Prestressed anchorage utensil is used in road bridge construction |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2582767A1 (en) * | 1985-05-30 | 1986-12-05 | Freyssinet Int Stup | Improvements to frustoconical anchoring jaws |
| KR100732554B1 (en) * | 2006-09-06 | 2007-06-28 | (주) 이삼이엔지 | Tendon anchoring apparatus, connecting structure of culvert using the same and connecting method of culvert using the same |
| KR101352188B1 (en) * | 2012-04-26 | 2014-01-15 | 강영도 | A one-touch re-tensile strand anchorage |
| CN204531182U (en) * | 2015-03-23 | 2015-08-05 | 天津大学 | The clipping ground tackle of a kind of intermediate plate type CFRP muscle |
| CN205348583U (en) * | 2016-02-04 | 2016-06-29 | 四川零公里工程构件有限责任公司 | External all alone ground tackle of prestressed concrete |
| CN206205273U (en) * | 2016-11-30 | 2017-05-31 | 长沙理工大学 | Prestressed tendon connecting and tensioning device |
| CN206732009U (en) * | 2017-02-24 | 2017-12-12 | 中民筑友科技投资有限公司 | A kind of deformed bar anchorage locking device and deformed bar clamping device |
| CN106968400B (en) * | 2017-05-23 | 2019-05-14 | 哈尔滨工业大学 | A kind of dismounting unbonded prestressed concrete structure moveable anchor and its application method |
| CN206888359U (en) * | 2017-07-13 | 2018-01-16 | 湖州锐狮标准件制造有限公司 | A kind of pre-stress anchor clipper |
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2018
- 2018-09-29 CN CN201811146173.9A patent/CN109057163B/en not_active Expired - Fee Related
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| CN109057163A (en) | 2018-12-21 |
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Legal Events
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201109 Address after: 314419 12 / F, Ruifeng building, 31 Fengshou West Road, Haining warp knitting industrial park, Jiaxing City, Zhejiang Province Applicant after: Zhejiang Hongxiang Steel Structure Co.,Ltd. Address before: 262127 Hongshengyuan Hotel, Central Road, Qianrulin Village, Linghe Town, Anqiu City, Weifang City, Shandong Province Applicant before: Zhu Jianyu |
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| TA01 | Transfer of patent application right | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201127 |
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| CF01 | Termination of patent right due to non-payment of annual fee |