CN107700848A - A kind of stopping means for reducing prestressd anchor cable loss - Google Patents
A kind of stopping means for reducing prestressd anchor cable loss Download PDFInfo
- Publication number
- CN107700848A CN107700848A CN201710820889.1A CN201710820889A CN107700848A CN 107700848 A CN107700848 A CN 107700848A CN 201710820889 A CN201710820889 A CN 201710820889A CN 107700848 A CN107700848 A CN 107700848A
- Authority
- CN
- China
- Prior art keywords
- work
- main body
- anchorage
- threading
- reducing
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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.)
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Classifications
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/16—Suspension cables; Cable clamps for suspension cables ; Pre- or post-stressed cables
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a kind of stopping means for reducing prestressd anchor cable loss, including anchorage main body, anchorage main body is column structure, stair-stepping anchorage through hole is offered among anchorage main body, the oil groove of annular is recessed in anchorage main body at ladder platform, oil groove is provided with the first fuel feed hole and the second fuel feed hole with ft connection, and piston is provided between the first fuel feed hole and the second fuel feed hole in oil groove；Anchorage body interior is sequentially provided with work anchor ring, work clip sheet, threading set and cylinder nut from top to bottom, cable wire sequentially passes through anchorage main body, cylinder nut, threading set, work clip sheet and work anchor ring, threading set is installed inside cylinder nut, cylinder nut is connected with anchorage main body, work anchor ring is connected with cylinder nut, and work clip sheet is located between work anchor ring and threading set.
Description
Technical field
The invention belongs to technical field of civil engineering, and in particular to a kind of stopping means for reducing prestressd anchor cable loss.
Background technology
Nowadays, field of civil engineering prestress anchorage cable stretching construction process is typically first using " anchor plate+anchorage (band anchor
Plug)+limiting plate+jack " order installed, then carry out the tensioning fixation of anchor cable.Its principle mainly passes through jack
Apply active force and tensioning is carried out to anchor cable, anchor cable reclaims after tensioning, drives anchorage retraction, untill anchor cable is clamped.
Because anchor cable drives anchorage retraction during this, the prestressing force in anchor cable, which understands some and is converted into anchorage retraction power, to be used for gram
The frictional force in retraction process is taken, causes certain loss of prestress.For the country, due to above-mentioned factor, in anchorage cable stretching
Prestressing force is extremely difficult to design requirement.
The content of the invention
Present invention aim to address above mentioned problem, there is provided a kind of simple in construction, a kind of reduction anchor cable of dependable performance is pre-
The stopping means of stress loss.
In order to solve the above technical problems, the technical scheme is that：A kind of spacing dress for reducing prestressd anchor cable loss
Put, including anchorage main body, anchorage main body are column structure, and stair-stepping anchorage through hole, anchorage master are offered among anchorage main body
The oil groove of annular is recessed at internal ladder platform, oil groove is provided with the first oilhole and the second oilhole with ft connection, oil
Piston is provided between the first oilhole and the second oilhole in groove；Anchorage body interior is sequentially provided with work anchor ring, work from top to bottom
Make intermediate plate, threading set and cylinder nut, cable wire sequentially passes through anchorage main body, cylinder nut, threading set, work clip sheet and work anchor
Ring, threading set is installed inside cylinder nut, cylinder nut is connected with anchorage main body, and the anchor ring that works is connected with cylinder nut, work
Make intermediate plate to be located between work anchor ring and threading set.
Preferably, the piston is stair-stepping ring-type column structure, piston in the axial direction on section be "T"-shaped.
Preferably, the extended line of one end of the piston thinner thickness is covered by threading.
Preferably, the piston can slide up and down in oil groove.
Preferably, the work clip sheet is in horn-like, the larger opening direction direction threading set of work clip sheet.
Preferably, the outer surface of the work anchor ring is helicitic texture, and work anchor ring is to be threadedly coupled with cylinder nut.
Preferably, at least one work anchor annular distance is offered on the work anchor ring.
Preferably, the threading, which is put, offers at least one threading sets of holes.
The beneficial effects of the invention are as follows：The present invention is simple in construction, and manufacturing cost is low, and manipulation is convenient, small volume, it is in light weight,
It is simple to operate, safe to use.
Brief description of the drawings
Fig. 1 is a kind of general assembly drawing for the stopping means for reducing prestressd anchor cable loss of the present invention；
Fig. 2 is Fig. 1 of the present invention sectional view；
Fig. 3 is the structural representation of anchorage main body of the present invention；
Fig. 4 is the sectional view of anchorage main body of the present invention；
Fig. 5 is the structural representation of present invention work anchor ring；
Fig. 6 is the structural representation of present invention threading set.
Description of reference numerals：1st, anchorage main body；2nd, anchorage through hole；3rd, oil groove；4th, piston；5th, work anchor ring；6th, filing appliance
Piece；7th, threading set；8th, cylinder nut；9th, cable wire；31st, the first oilhole；32nd, the second oilhole；51st, work anchor annular distance；71st, threading set
Hole.
Embodiment
The present invention is described further with specific embodiment below in conjunction with the accompanying drawings：
As shown in Fig. 1 to Fig. 4, a kind of stopping means for reducing prestressd anchor cable loss, including anchorage main body 1, anchorage master
Body 1 is column structure, offers stair-stepping anchorage through hole 2 among anchorage main body 1, indent at ladder platform in anchorage main body 1
Form the oil groove 3 of annular, oil groove 3 is provided with the first oilhole 31 and the second oilhole 32 with ft connection, the first oil in oil groove 3
Piston 4 is provided between the oilhole 32 of hole 31 and second；Work anchor ring 5, work clip sheet are sequentially provided with inside anchorage main body 1 from top to bottom
6th, threading set 7 and cylinder nut 8, cable wire 9 sequentially pass through anchorage main body 1, cylinder nut 8, threading set 7, work clip sheet 6 and work
Anchor ring 5, threading set 7 is installed inside cylinder nut 8, cylinder nut 8 is connected with anchorage main body 1, work anchor ring 5 and cylinder nut
8 are connected, and work clip sheet 6 is located between work anchor ring 5 and threading set 7.
Work clip sheet 6 is in horn-like, and for the larger opening direction of work clip sheet 6 towards threading set 7, cable wire 9 passes through filing appliance
Piece 6.Work clip sheet 6 is located between work anchor ring 5 and threading set 7, hole, threading sets of holes 71 and work anchor ring in work clip sheet 6
Hole is concentric, and centre is equipped with cable wire 9.
Threading set 7 be located at cylinder nut 8 centres, original state i.e. the present invention do not work when, threading set 7 end face with
End face of the cylinder nut 8 close to work anchor ring 5.
The outer surface of work anchor ring 5 is helicitic texture, and work anchor ring 5 is to be threadedly coupled with cylinder nut 8.As shown in figure 5,
At least one work anchor annular distance 51 is offered on work anchor ring 5.
As shown in fig. 6, offering at least one threading sets of holes 71 on threading set 7, threading sets of holes 71, which are evenly distributed on, wears
On line set 7, threading sets of holes 71 are through hole, and the diameter of threading sets of holes 71 is more than the diameter of cable wire 9.
Piston 4 is stair-stepping ring-type column structure, piston 4 in the axial direction on section be "T"-shaped.The thickness of piston 4
By threading set 7, piston 4 can slide up and down the extended line of relatively thin one end in oil groove 3.During original state, piston 4 is positioned at oil
The bottom of groove 3；During work, the second oilhole 32 is passed through hydraulic oil, and the oil return of the first oilhole 31, i.e. the first oilhole 31 output are positioned at oil
Hydraulic oil in groove 3, hydraulic oil promote piston 4 to move upwards, and piston 4 moves to close to the direction of threading set 7.
Motion 7 contacts piston 4 with threading set upwards, and threading covers 7 intermediate plates 6 that push the work forward and moved upwards, when cable wire 9 clamps
Afterwards, the first oilhole 31 is passed through hydraulic oil, the output hydraulic pressure of the second oilhole 32 oil, and piston 4 moves downward, away from threading set 7.
The quantity for threading sets of holes 71, work anchor annular distance 51 and work clip sheet 6 in the present embodiment is all 5, but specific
Real case in quantity can increase and decrease as needed.
One of ordinary skill in the art will be appreciated that embodiment described here is to aid in reader and understands this hair
Bright principle, it should be understood that protection scope of the present invention is not limited to such especially statement and embodiment.This area
Those of ordinary skill can make according to these technical inspirations disclosed by the invention various does not depart from the other each of essence of the invention
The specific deformation of kind and combination, these deform and combined still within the scope of the present invention.
Claims (8)
- A kind of 1. stopping means for reducing prestressd anchor cable loss, it is characterised in that：Including anchorage main body (1), anchorage main body (1) For column structure, offer stair-stepping anchorage through hole (2) among anchorage main body (1), at the interior ladder platform of anchorage main body (1) in The oil groove (3) that spill circularizes, oil groove (3) are provided with the first oilhole (31) and the second oilhole (32) with ft connection, oil groove (3) piston (4) is provided between the first oilhole (31) and the second oilhole (32) in；Inside anchorage main body (1) from top to bottom successively Anchorage main body is sequentially passed through provided with work anchor ring (5), work clip sheet (6), threading set (7) and cylinder nut (8), cable wire (9) (1), cylinder nut (8), threading set (7), work clip sheet (6) and work anchor ring (5), cylinder nut (8) is internal to be provided with threading Cover (7), cylinder nut (8) is connected with anchorage main body (1), and work anchor ring (5) is connected with cylinder nut (8), work clip sheet (6) position Between work anchor ring (5) and threading set (7).
- A kind of 2. stopping means for reducing prestressd anchor cable loss according to claim 1, it is characterised in that：The piston (4) be stair-stepping ring-type column structure, piston (4) in the axial direction on section be "T"-shaped.
- A kind of 3. stopping means for reducing prestressd anchor cable loss according to claim 2, it is characterised in that：The piston (4) extended line of one end of thinner thickness covers (7) by threading.
- A kind of 4. stopping means for reducing prestressd anchor cable loss according to claim 3, it is characterised in that：The piston (4) can be slided up and down in oil groove (3).
- A kind of 5. stopping means for reducing prestressd anchor cable loss according to claim 1, it is characterised in that：The work Intermediate plate (6) is in horn-like, the larger opening direction direction threading set (7) of work clip sheet (6).
- A kind of 6. stopping means for reducing prestressd anchor cable loss according to claim 1, it is characterised in that：The work The outer surface of anchor ring (5) is helicitic texture, and work anchor ring (5) is to be threadedly coupled with cylinder nut (8).
- A kind of 7. stopping means for reducing prestressd anchor cable loss according to claim 1, it is characterised in that：The work At least one work anchor annular distance (51) is offered on anchor ring (5).
- A kind of 8. stopping means for reducing prestressd anchor cable loss according to claim 1, it is characterised in that：The threading At least one threading sets of holes (71) are offered on set (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710820889.1A CN107700848A (en) | 2017-09-13 | 2017-09-13 | A kind of stopping means for reducing prestressd anchor cable loss |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710820889.1A CN107700848A (en) | 2017-09-13 | 2017-09-13 | A kind of stopping means for reducing prestressd anchor cable loss |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107700848A true CN107700848A (en) | 2018-02-16 |
Family
ID=61172388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710820889.1A Pending CN107700848A (en) | 2017-09-13 | 2017-09-13 | A kind of stopping means for reducing prestressd anchor cable loss |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107700848A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3610581A (en) * | 1968-05-28 | 1971-10-05 | Odilo Paul | Apparatus for prestressing rods in concrete |
| US20060201100A1 (en) * | 2005-03-10 | 2006-09-14 | Dywidag-Systems International Gmbh | Method and arrangement for stressing a staggered anchorage |
| CN102674196A (en) * | 2012-06-08 | 2012-09-19 | 柳州泰姆预应力机械有限公司 | Split front-clamping type tensioning jack and construction method thereof |
| CN103572970A (en) * | 2013-11-12 | 2014-02-12 | 中建三局建设工程股份有限公司 | Limiting device capable of automatically adjusting expansion and contraction quantity of clamping piece and use method thereof |
| CN203682979U (en) * | 2013-12-31 | 2014-07-02 | 合肥杨晨工程技术有限公司 | Anchor group front clamping type jack |
| CN204418002U (en) * | 2015-01-21 | 2015-06-24 | 杨玉芝 | The permanent prestressed anchor device of prefabricated units |
| CN207211771U (en) * | 2017-09-13 | 2018-04-10 | 核工业西南勘察设计研究院有限公司 | A kind of stopping means for reducing prestressd anchor cable loss |
-
2017
- 2017-09-13 CN CN201710820889.1A patent/CN107700848A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3610581A (en) * | 1968-05-28 | 1971-10-05 | Odilo Paul | Apparatus for prestressing rods in concrete |
| US20060201100A1 (en) * | 2005-03-10 | 2006-09-14 | Dywidag-Systems International Gmbh | Method and arrangement for stressing a staggered anchorage |
| CN102674196A (en) * | 2012-06-08 | 2012-09-19 | 柳州泰姆预应力机械有限公司 | Split front-clamping type tensioning jack and construction method thereof |
| CN103572970A (en) * | 2013-11-12 | 2014-02-12 | 中建三局建设工程股份有限公司 | Limiting device capable of automatically adjusting expansion and contraction quantity of clamping piece and use method thereof |
| CN203682979U (en) * | 2013-12-31 | 2014-07-02 | 合肥杨晨工程技术有限公司 | Anchor group front clamping type jack |
| CN204418002U (en) * | 2015-01-21 | 2015-06-24 | 杨玉芝 | The permanent prestressed anchor device of prefabricated units |
| CN207211771U (en) * | 2017-09-13 | 2018-04-10 | 核工业西南勘察设计研究院有限公司 | A kind of stopping means for reducing prestressd anchor cable loss |
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