CN110735497A - double-conical surface automatic tool anchor clamping piece - Google Patents
double-conical surface automatic tool anchor clamping piece Download PDFInfo
- Publication number
- CN110735497A CN110735497A CN201911072003.5A CN201911072003A CN110735497A CN 110735497 A CN110735497 A CN 110735497A CN 201911072003 A CN201911072003 A CN 201911072003A CN 110735497 A CN110735497 A CN 110735497A
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- China
- Prior art keywords
- cone
- tool anchor
- double
- automatic tool
- hole
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- 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.)
- Pending
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- 230000013011 mating Effects 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 description 12
- 239000010959 steel Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Images
Classifications
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/12—Mounting of reinforcing inserts; Prestressing
Abstract
The embodiment of the invention discloses a double-conical-surface automatic tool anchor clamping piece, which comprises a cone and a stop block connected with the end of the cone, wherein the stop block extends out of the cone along the radial direction, the stop block is abutted against a fixing plate of a tool anchor, and the cone penetrates through a through hole in the fixing plate and is inserted into a conical hole of a tool anchor plate.
Description
Technical Field
The invention relates to the technical field of prestressed anchorage devices, in particular to double-conical-surface automatic tool anchor clamping pieces.
Background
The anchorage device is widely applied to project engineering such as highway bridges, railway bridges, urban overpasses, urban light rails, high-rise buildings, hydraulic and hydroelectric dams, port and wharfs, rock slope protection anchoring, foundation reinforcement, tunnel mine roof anchor tops, prestressed net frames, subways, large building halls, warehouse workshops, tower buildings, weight lifting, sliding film intermittent propulsion, bridge and tunnel jacking, large containers and ships, sleepers, bridge support replacement, bridge and building reinforcement, steel bar engineering, antimagnetic and anticorrosive engineering, carbon fiber reinforcement, pretensioned beam yard construction, external prestressing engineering, stayed cables, suspended cables and the like.
The existing automatic tool anchor clamping piece is clamped by using a single conical surface and is ejected when loosened, and the ejecting type structure is small in stress section, easy to damage and lose efficacy, and low in reliability.
Disclosure of Invention
The invention aims to overcome the technical defects, provides double-conical-surface automatic tool anchor clamping pieces, and solves the technical problems that in the prior art, when a single-conical-surface tool anchor clamping piece is loosened, a jacking-out type structure is used, the stressed section is small, the damage and failure are easily caused, and the reliability is low.
In order to achieve the technical purpose, the embodiment of the invention provides double-cone automatic tool anchor clamping pieces, wherein the double-cone automatic tool anchor clamping pieces comprise cones and stop blocks connected with ends of the cones , the stop blocks extend out of the cones in the radial direction, the stop blocks are abutted against fixing plates of the tool anchors, the cones penetrate through holes in the fixing plates and are inserted into conical holes of the tool anchor plates, and the automatic tool anchor clamping pieces are characterized in that the radius of the cones is increased and then reduced along the axial direction.
Compared with the prior art, the anchor clamping piece has the advantages that the radius of the cone of the double-cone automatic tool anchor clamping pieces is increased and then reduced, two conical surfaces are formed on the side surface of the cone, the conical surface is back to the positive conical surface of the stop block and the conical surface is back to the negative conical surface of the stop block, extra clamping forces are provided by the fact that the fixing plate extrudes the reverse inclined surface in the clamping stage, the clamping effect is good, the steel strand is not easy to loosen, the clamping pieces are reasonable in stress, and the clamping piece is not easy to.
Drawings
FIG. 1 is a front view of an embodiment of an double-tapered automatic tool anchor clip provided by the present invention;
FIG. 2 is a cross-sectional view of an embodiment of an double-tapered automatic tool anchor clip provided by the present invention;
fig. 3 is an assembled cross-sectional view of an double-tapered automatic tool anchor clip embodiment of the present invention.
Detailed Description
For purposes of making the objects, aspects and advantages of the present invention more apparent, the present invention will be described in detail below with reference to the accompanying drawings and examples.
Referring to fig. 1-3, fig. 1 is a front view of an embodiment of dual-cone automatic tool anchor clips provided by the present invention, fig. 2 is a cross-sectional view of an embodiment of dual-cone automatic tool anchor clips provided by the present invention, and fig. 3 is an assembled cross-sectional view of an embodiment of dual-cone automatic tool anchor clips provided by the present invention.
The double-conical-surface automatic tool anchor clamping piece comprises a cone body and a stop block 3 connected with the end of the cone body , two conical surfaces, namely a positive conical surface 11 and a reverse conical surface 21 are arranged on the cone body, the double-conical-surface automatic tool anchor clamping piece is installed on a tool anchor, specifically, the double-conical-surface automatic tool anchor clamping piece is installed on a fixing plate 7 on the tool anchor, and the fixing plate 7 is clamped by the reverse conical surface 21 and the stop block 3, so that when the double-conical-surface automatic tool anchor clamping piece is tensioned and loosened, the fixing plate 7 can drive the double.
Specifically, in this embodiment, kinds of double-cone automatic tool anchor clips include a front cone 1, a rear cone 2 and a stopper 3, wherein the front cone 1, the rear cone 2 and the stopper 3 are sequentially connected end to end, and in order to ensure the connection strength, a body molding connection mode is preferably adopted in this embodiment, the front cone 1 and the rear cone 2 are both in a circular truncated cone shape, and the end with a larger radius of the front cone 1 is connected with the end with a larger radius of the rear cone 2, that is, the cone formed by the front cone 1 and the rear cone 2 is increased and decreased in inner section radius along the axial direction thereof, preferably, the end with a larger radius of the front cone 1 is connected with the end with a larger radius of the rear cone 2, and the front cone 1, the rear cone 2 and the stopper 3 are coaxially arranged, so that the connection part of the front cone 1 and the rear cone 2 can be completely attached, the stopper 3 is connected with the end with a smaller radius of the rear cone 2, and the radius of the stopper 3 is larger than the end with a smaller radius of the rear cone 2, that the stopper extends out in the radial direction, and the side surface of.
The side surface of the front cone 1 is a positive conical surface 11, the side surface of the rear cone 2 is a negative conical surface 21, the positive conical surface 11 and the negative conical surface 21 face in opposite directions, i.e. the positive conical surface 11 faces away from the stopper 3, and the negative conical surface 21 faces toward the stopper 3.
Preferably, in order to better use the double-cone automatic tool anchor clamping piece, through holes are formed in the double-cone automatic tool anchor clamping piece along the axis direction, the end of each through hole is communicated with the front end face of the front cone 1, the other end of each through hole is communicated with the rear end face of the stop block 3, a step groove 31 is formed in the end of each through hole communicated with the rear end face of the stop block 3, insections 12 are formed in the inner wall of each through hole in the front cone 1, the friction force between the insections and the steel strands is increased when the steel strands are clamped, deformation grooves are formed in the front cone 1 and the rear cone 2 along the circumferential direction of the front cone 1 and the rear cone 2, and the insections 12 are separated by the deformation grooves.
Referring to fig. 3, fig. 3 is a sectional view illustrating the assembly of embodiments of the double-cone automatic tool anchor clip according to the present invention, showing the working condition of the double-cone automatic tool anchor clip mounted on an automatic tool anchor device, the automatic tool anchor device further includes a top plate 4, a push rod 5, a tool anchor plate 6, a fixing plate 7, a compression spring 8, a spring pressing plate 9, and a positioning bolt 10.
During the assembly, dog 3 and fixed plate 7 butt, back cone 2 passes the through-hole on the fixed plate 7, and for the assembly effect better, the through-hole phase-match on anti-conical surface 21 and the fixed plate 7. The nose cone 1 is inserted into the tapered bore of the tool anchor plate 6 and likewise, for better assembly, the positive tapered surface 11 matches the tapered bore of the tool anchor plate 6. Spring clamp 9 is fastened with tool anchor plate 6 with positioning bolt 10, has placed pressure spring 8 between spring clamp 9 and fixed plate 7, and spring 8 can promote fixed plate 7 and move left, and the through-hole extrusion anti-conical surface 21 of fixed plate 7 for rear cone 2 receives centripetal pressure, presses the deformation groove to realize warping, presss from both sides tight steel strand wires.
During installation, the top plate 4 pushes the ejector rod 5 to move rightwards through external force, and the double-conical-surface automatic tool anchor clamping piece is pulled out from a conical hole of the tool anchor plate 6 to form a tensioning and loosening state.
Then the fixation of the inner clamping type jack is eliminated, the compression spring 8 pushes the double-conical-surface automatic tool anchor clamping piece and the fixing plate 7 to move leftwards, and the double-conical-surface automatic tool anchor clamping piece stops after entering the taper hole of the tool anchor plate 6. The fixed plate 7 is under the effect of pressure spring 8, and the taper hole pastes tightly with the positive conical surface 11 of the front cone 1, produces the clamp force simultaneously at the 1 side of front cone, makes the 1 deformation compression deformation groove of front cone, and the tight steel strand wires of stable clamp carry out the stretch-draw, and fixed plate 7 receives pressure spring 8's effect, continues the motion left, continues to extrude the anti-conical surface 21 for back cone 2 receives centripetal pressure, and the deformation is realized to the pressure deformation groove, presss from both sides tight steel strand wires.
When the steel strand needs to be replaced, the top plate 4 is pushed by the jack to push the ejector rod 5 and drive the fixing plate 7 to move rightwards, and the spring 8 is compressed to enable the taper hole in the fixing plate 7 to leave the reverse taper surface 21 of the rear cone 2. Meanwhile, the end face of the fixing plate 7 is tightly attached to the stop block 3, the double-conical-surface automatic tool anchor clamping piece is pulled out of the conical hole of the tool anchor plate 6 under the action of the jack, and external force disappears on the positive conical surface 11 and the reverse conical surface 21 of the tool anchor plate 6, so that deformation is recovered, the steel strand is loosened, and automatic loosening is realized after tensioning. The steel strand is convenient to withdraw and penetrate again, and the state of being convenient to install is still kept after the steel strand is loosened.
When the double-conical-surface automatic tool anchor clamping piece provides an automatic tensioning condition by utilizing the stop block 3 and the reverse conical surface 21, the conical hole on the external automatic tensioning fixing plate 7 and the reverse conical surface 21 act in the clamping stage of the automatic tensioning clamping piece to provide an auxiliary clamping force, and the double-conical-surface automatic tool anchor clamping piece is more beneficial to stable clamping. In the automatic tensioning clamping piece loosening stage, the taper hole of the fixing plate 7 is separated from the reverse taper surface 21, after the stop dog 3 is contacted with the fixing plate 7, the clamping piece is automatically loosened under the action of the thrust of the fixing plate 7, and after the clamping piece is loosened, under the action of the step groove 31 and the reset spring abutted against the step groove, the clamping piece is kept in an installation state so as to be tensioned again, the clamping piece does not need to be reinstalled, the use is convenient, the time and the labor are saved, the whole process is automatically completed, and the safety of tensioning operators can. When the clamping piece is loosened, the fixing plate 7 is pulled out, and the double-conical-surface automatic tool anchor clamping piece is reasonable in stress, not easy to damage and high in reliability.
The anchor clamping piece has the advantages that the radius of the cone of the double-cone automatic tool anchor clamping pieces is increased and then reduced, two conical surfaces are formed on the side surface of the cone, the conical surface is back to the positive conical surface of the stop block and the conical surface is back to the negative conical surface of the stop block, extra clamping forces are provided by the reverse inclined surface extruded by the fixing plate in the clamping stage, the clamping effect is good, the steel strand is not easy to loosen, the clamping pieces are stressed reasonably, and the reliability is high.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
- The double-conical-surface automatic tool anchor clamping piece comprises a cone and a stop block connected with the end of the cone , wherein the stop block extends out of the cone along the radial direction, the stop block is abutted to a fixing plate of the tool anchor, and the cone penetrates through a through hole in the fixing plate and is inserted into a conical hole of a tool anchor plate.
- 2. The double-tapered automatic tool anchor clip of claim 1, wherein the cone comprises a front cone and a rear cone, and the front cone, the rear cone and the stop block are sequentially connected in an end-to-end -body forming manner.
- 3. The double-tapered automatic tool anchor clip of claim 2, wherein the rear cone extends through the through hole with its sides engaging the through hole.
- 4. The double-tapered automatic tool anchor clip of claim 3, wherein the nose cone is inserted into the tapered hole with its side surface mating with the tapered hole.
- 5. The double-tapered automatic tool anchor clip of claim 4, wherein the front cone, the rear cone and the stop are coaxially arranged.
- 6. The kinds of automatic double-cone tool anchor clips of claim 5, wherein the kinds of automatic double-cone tool anchor clips are provided with through holes along the axial direction, the end of the through holes is communicated with the front end face of the front cone, and the other end is communicated with the rear end face of the stop block.
- 7. The double-tapered automatic tool anchor clip of claim 6, wherein the end of the through hole communicating with the rear end surface of the block is provided with a stepped groove.
- 8. The double-tapered automatic tool anchor clip according to claim 7, wherein the through hole in the front cone has insections on its inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911072003.5A CN110735497A (en) | 2019-11-05 | 2019-11-05 | double-conical surface automatic tool anchor clamping piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911072003.5A CN110735497A (en) | 2019-11-05 | 2019-11-05 | double-conical surface automatic tool anchor clamping piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110735497A true CN110735497A (en) | 2020-01-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911072003.5A Pending CN110735497A (en) | 2019-11-05 | 2019-11-05 | double-conical surface automatic tool anchor clamping piece |
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| Country | Link |
|---|---|
| CN (1) | CN110735497A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010106612A (en) * | 2000-05-22 | 2001-12-07 | 김윤환 | An wedge for a PC steel wire for fixing construction structure |
| CN2557584Y (en) * | 2002-07-02 | 2003-06-25 | 柳州市威尔姆预应力有限公司 | Device for ensuring self-anchorage of grouped anchorage steel twisted line under low stress |
| CN109811654A (en) * | 2019-01-28 | 2019-05-28 | 杭州海伦铸钢有限公司 | A kind of anchorage that can be self-locking |
| CN211341427U (en) * | 2019-11-05 | 2020-08-25 | 襄阳中铁宏吉工程技术有限公司 | Double-conical-surface automatic tool anchor clamping piece |
-
2019
- 2019-11-05 CN CN201911072003.5A patent/CN110735497A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010106612A (en) * | 2000-05-22 | 2001-12-07 | 김윤환 | An wedge for a PC steel wire for fixing construction structure |
| CN2557584Y (en) * | 2002-07-02 | 2003-06-25 | 柳州市威尔姆预应力有限公司 | Device for ensuring self-anchorage of grouped anchorage steel twisted line under low stress |
| CN109811654A (en) * | 2019-01-28 | 2019-05-28 | 杭州海伦铸钢有限公司 | A kind of anchorage that can be self-locking |
| CN211341427U (en) * | 2019-11-05 | 2020-08-25 | 襄阳中铁宏吉工程技术有限公司 | Double-conical-surface automatic tool anchor clamping piece |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20231113 Address after: 412007 Haitian Road, Tianyuan District, Zhuzhou, Hunan Province, No. 18 Applicant after: ZHUZHOU TIMES NEW MATERIAL TECHNOLOGY Co.,Ltd. Address before: 441000 No. 359 Tuanshan Avenue, high tech Zone, Xiangyang City, Hubei Province Applicant before: XIANGYANG CHINA RAILWAY HONGJI ENGINEERING CO.,LTD. |
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| TA01 | Transfer of patent application right |