CN108179746A - The existing anchorage cable stretching device of assembly type and existing anchor cable two times tensioning device - Google Patents
The existing anchorage cable stretching device of assembly type and existing anchor cable two times tensioning device Download PDFInfo
- Publication number
- CN108179746A CN108179746A CN201711439527.4A CN201711439527A CN108179746A CN 108179746 A CN108179746 A CN 108179746A CN 201711439527 A CN201711439527 A CN 201711439527A CN 108179746 A CN108179746 A CN 108179746A
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- China
- Prior art keywords
- holding force
- existing
- anchor
- anchor cable
- disk
- Prior art date
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
- E02D5/76—Anchorings for bulkheads or sections thereof in as much as specially adapted therefor
-
- 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
A kind of existing anchorage cable stretching device of assembly type and existing anchor cable two times tensioning device, are related to anchor cable tightening technology field.The existing anchorage cable stretching device of assembly type is used to carry out two times tensioning to the existing anchor cable for stretching out existing anchor disk, it include can fixing sleeve be set on existing anchor cable on holding force connector, more fixations run through the holding force anchor cable of holding force connector, the beam rope device that will be fixed together in the middle part of all holding force anchor cables, holding force connector, the arrangement center overlapping of axles of the axis of beam rope device and all holding force anchor cables, the jack that holding force anchor cable can be driven to be moved to the direction far from holding force connector is provided with around holding force anchor cable, and the holding force anchor disk of holding force anchor cable can be anchored, the existing anchorage cable stretching device of the assembly type can realize the two times tensioning of existing anchor cable in the case where existing anchor cable tail portion is shorter, and stretching construction does not destroy the original structure of existing anchor cable.The existing anchor cable two times tensioning device can realize the two times tensioning of existing anchor cable in the case where existing anchor cable tail portion is shorter.
Description
Technical field
The present invention relates to anchor cable tightening technology field, in particular to a kind of existing anchorage cable stretching device of assembly type and
Existing anchor cable two times tensioning device.
Background technology
Prestress anchorage cable is the common method for protecting support of slope retaining, applies prestressing force to side slope by anchor cable.Pass through anchor
On the one hand rope, which applies Prestressing, can significantly improve the stress of side slope surface Rock And Soil, improve the intensity of surface Rock And Soil,
On the other hand side slope surface Rock And Soil and internal Rock And Soil can be connected as a single entity, enhances the globality of side slope, gliding mass is avoided to go out
Existing, it is the key that realize these purposes to ensure enough prestressing force.Usually in engineering construction, when prestressd anchor cable applies in place
Afterwards, according to design requirement, anchor cable tail portion is cut and is enclosed in concrete pier, to prevent anchor cable from getting rusty and ensure engineering
It is beautiful.But over time, due to side slope self-deformation or steel strand wires creep etc., the prestressing force of existing anchor cable
Larger loss is likely to occur, at this time, it may be necessary to carry out two times tensioning to existing anchor cable with restoration designing prestress value, and then is ensured
Engineering stability, safety.
The two times tensioning problem of existing anchor cable is not paid attention in current engineering design or construction, therefore, occurs in anchor cable
After tail portion is cut, the problem of can not carrying out two times tensioning since length is shorter.The invention of application number 201210072894.6 is special
Profit discloses a kind of prestress anchorage cable method for stretching and its device, which is directed to first time tensioning in anchor cable construction
The problem of method (initial tensioning), it improves method for applying prestressing force in anchor cable first time stretching process, it is ensured that anchor in construction
Rope prestressed stretch-draw is in place.The patent of invention of application number 201310325704.1 discloses a kind of device for evenly tensioning anchor cable, should
The purpose of invention is to ensure anchor cable every steel strand wires uniform force during first time tensioning (initial tensioning).Above-mentioned two is closed
In anchorage cable stretching patent of invention be directed to improve anchor cable construction in first time tensioning the problem of, be not particularly suited for existing anchor
The two times tensioning of rope, because they all do not account for this shorter important factor of anchor cable tail portion, and existing anchorage cable stretching machine
Tool (product) does not all account for this factor yet.
Therefore, how effectively to extend the tensioning length of existing anchor cable so that the stretching force of jack can be smoothly applied to
On existing anchor cable, while do not destroy the structure of existing anchor cable again, be the invention solves key problem.
Invention content
The purpose of the present invention is to provide a kind of existing anchorage cable stretching device of assembly type, can existing anchor cable tail portion compared with
The two times tensioning of existing anchor cable is realized in the case of short, and stretching construction does not destroy the original structure of existing anchor cable, it is easy to operate
Fast, using simple.
It, can be in existing anchor cable tail portion another object of the present invention is to provide a kind of existing anchor cable two times tensioning device
The two times tensioning of existing anchor cable is realized in the case of shorter.
What the embodiment of the present invention was realized in：
A kind of existing anchorage cable stretching device of assembly type, for carrying out two times tensioning to the existing anchor cable for stretching out existing anchor disk,
It include can fixing sleeve be set on holding force connector on existing anchor cable, more fixation run through the holding force anchor cable of holding force connector, general
The beam rope device being fixed together in the middle part of all holding force anchor cables, holding force connector, the axis of beam rope device and all holding force anchor cables
Arrangement center overlapping of axles, being provided with around holding force anchor cable can drive what holding force anchor cable was moved to the direction far from holding force connector
Jack and the holding force anchor disk that holding force anchor cable can be anchored.
In preferred embodiments of the present invention, above-mentioned its, which further includes, to be sheathed on outside existing anchor cable, and positioned at existing anchor disk and
Shading ring between holding force connector.
In preferred embodiments of the present invention, between above-mentioned existing anchor cable and holding force connector, holding force anchor cable and holding force connect
It connects and is arranged with holding force intermediate plate between device.
In preferred embodiments of the present invention, above-mentioned holding force connector includes the first coaxially connected disk and the second circle
Disk, the diameter of the first disk are less than the diameter of the second disk, are offered in the middle part of the first disk and the second disk for existing anchor cable
The first through hole passed through, the circumference of the second disk offer the second through hole passed through for holding force anchor cable.
In preferred embodiments of the present invention, above-mentioned beam rope device offers multiple and holding force anchor cable and tilts circle correspondingly
Hole, one end of all inclination circular holes from neighbouring holding force connector are gathered to the centre of the other end.
In preferred embodiments of the present invention, the outer, coaxial of above-mentioned existing anchor disk, holding force connector and holding force anchor cable according to
Secondary to be arranged with support feet I, support feet II, jack, the first pressing plate and holding force nut, holding force nut connects with holding force anchor cable screw thread
It connects.
In preferred embodiments of the present invention, above-mentioned support feet I includes coaxially connected the first hollow cylinder and the first method
Blue disk offers the first circular hole in the middle part of first flange disk, and the lateral surface of first flange disk is provided with coaxial round boss；Branch
Spike II includes coaxial sequentially connected second flange disk, the second hollow cylinder and chassis with holes, opening in the middle part of second flange disk
Equipped with the second circular hole, the lateral surface of second flange disk is provided with coaxial circular groove, and the first hollow cylinder resists existing anchor disk
Place metope, first flange disk and second flange disk are fixed together, and round boss is positioned with circular groove cooperation, jack
It is held between chassis with holes and the first pressing plate.
In preferred embodiments of the present invention, on all holding force anchor cables between above-mentioned first flange disk and chassis with holes according to
Secondary to be arranged with anchor dynamometer, the second pressing plate and holding force anchor disk, the end of anchor dynamometer resists first flange disk, all holding forces
Anchor cable is each passed through holding force anchor disk, and holding force intermediate plate is arranged between every holding force anchor cable and holding force anchor disk.
In preferred embodiments of the present invention, positioning column is arranged on above-mentioned anchor dynamometer, positioning column is fastened in anchor cable
Between dynamometer and the second hollow cylinder.
A kind of existing anchor cable two times tensioning device, including the above-mentioned existing anchorage cable stretching device of assembly type.
The advantageous effect of the embodiment of the present invention is：The existing anchorage cable stretching device of assembly type of the embodiment of the present invention is used for stretching
The existing anchor cable for going out existing anchor disk carries out two times tensioning, include can holding force connector of the fixing sleeve on the existing anchor cable, it is more
Root fixes the holding force anchor cable through holding force connector, the beam rope device that will be fixed together in the middle part of all holding force anchor cables, and holding force connects
The arrangement center overlapping of axles of device, the axis of beam rope device and all holding force anchor cables are connect, is provided with to drive around holding force anchor cable and hold
Jack that power anchor cable is moved to the direction far from holding force connector and the holding force anchor disk that holding force anchor cable can be anchored, the assembling
The existing anchorage cable stretching device of formula can realize the two times tensioning of existing anchor cable, and tensioning in the case where existing anchor cable tail portion is shorter
Construction does not destroy the original structure of existing anchor cable, easy to operate, using simple；The existing anchor cable two times tensioning device can
The two times tensioning of existing anchor cable is realized in the case where existing anchor cable tail portion is shorter.
Description of the drawings
It in order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range, for those of ordinary skill in the art, without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is a kind of structure diagram of the existing anchorage cable stretching device of assembly type provided in an embodiment of the present invention；
Fig. 2 is the structure diagram of holding force connector in Fig. 1；
Fig. 3 is the structure diagram at another visual angles of Fig. 2；
Fig. 4 is the structure diagram of beam rope device in Fig. 1；
Fig. 5 is the structure diagram at another visual angles of Fig. 4；
Fig. 6 is the structure diagram of support feet I in Fig. 1；
Fig. 7 is the structure diagram at another visual angles of Fig. 6；
Fig. 8 is the structure diagram of support feet II in Fig. 1；
Fig. 9 is the structure diagram at another visual angles of Fig. 8.
Icon：The existing anchorage cable stretching device of 100- assembly types；The existing anchor disks of 001-；The existing anchor cables of 002-；003- metopes；
101- shading rings；102- holding force connectors；103- peep holes；104- holding force anchor cables；105- beam rope devices；106- positioning columns；107-
Anchor dynamometer；The second pressing plates of 108-；109- holding force anchor disks；110- jack；The first pressing plates of 111-；112- holding force nuts；
113- holding force intermediate plates；114- support feets I；115- support feets II；The first disks of 201-；The second disks of 202-；203- first runs through
Hole；The second through holes of 204-；301- tilts circular hole；The first hollow cylinders of 401-；402- first flange disks；403- round boss；
The first circular holes of 404-；501- second flange disks；The second hollow cylinders of 502-；503- chassis with holes；504- trepannings；505- second justifies
Hole；506- circular grooves.
Specific embodiment
Purpose, technical scheme and advantage to make the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be configured to arrange and design with a variety of different.
Therefore, below the detailed description of the embodiment of the present invention to providing in the accompanying drawings be not intended to limit it is claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiments of the present invention, this field is common
Technical staff's all other embodiments obtained without creative efforts belong to the model that the present invention protects
It encloses.
It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need to that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that term " " center ", " on ", " under ", " interior ", the instructions such as " outer "
Orientation or position relationship be based on orientation shown in the drawings or position relationship or the invention product using when usually put
Orientation or position relationship, be for only for ease of the description present invention and simplify description rather than instruction or imply signified device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.This
Outside, term " first ", " second " etc. are only used for distinguishing description, and it is not intended that instruction or hint relative importance.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or be integrally connected；Can be
Mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected by intermediary, can be two
Connection inside element.For the ordinary skill in the art, above-mentioned term can be understood in the present invention with concrete condition
In concrete meaning.
It please refers to shown in Fig. 1, the present embodiment provides a kind of existing anchorage cable stretching device 100 of assembly type, for stretching out both
Have anchor disk 001 existing anchor cable 002 carry out two times tensioning, include can fixing sleeve be set on existing anchor cable 002 on holding force connect
102,6 fixations of device run through the holding force anchor cable 104 of holding force connector 102, and the middle part of all holding force anchor cables 104 is fixed together
Beam rope device 105, the arrangement center overlapping of axles of holding force connector 102, the axis of beam rope device 105 and all holding force anchor cables 104 hold
The jack that holding force anchor cable 104 can be driven to be moved to the direction far from holding force connector 102 is provided with around power anchor cable 104
110 and the holding force anchor disk 109 of holding force anchor cable 104 can be anchored.In the present embodiment, holding force connector 102 is used to connect existing anchor
Rope 002 and holding force anchor cable 104, holding force anchor cable 104 are used to extend the tensioning length of existing anchor cable 002, and beam rope device 105 is used for institute
Some holding force anchor cables 104 flock together, and convenient for carrying out tensioning to them, jack 110 is used for through tensioning holding force anchor cable 104
Tensioning is carried out to existing anchor cable 002, holding force anchor disk 109 is used for through fixed existing anchor cable 002 so as to fixed existing anchor cable 002
Position, make its keep tensile state, therefore, the existing anchorage cable stretching device 100 of the assembly type can existing 002 tail portion of anchor cable compared with
The two times tensioning of existing anchor cable 002 is realized in the case of short (3~5cm), and stretching construction does not destroy the original of existing anchor cable 002
Structure, it is easy to operate, using simple.
In order to make the reliability connected between existing anchor disk 001 and holding force connector 102, the existing anchorage cable stretching dress of assembly type
It puts 100 and further includes and be sheathed on outside existing anchor cable 002, and compress the isolation between existing anchor disk 001 and holding force connector 102
Ring 101.In order to make the reliability connected between 102 three of existing anchor cable 002, holding force anchor cable 104 and holding force connector, existing anchor
Holding force intermediate plate 113 is arranged between rope 002 and holding force connector 102, between holding force anchor cable 104 and holding force connector 102.
Referring to shown in Fig. 2 and Fig. 3, holding force connector 102 divides for two parts, including coaxially connected 201 He of the first disk
Second disk 202, the diameter of the first disk 201 are less than the diameter of the second disk 202, and the first disk 201 and the second disk 202 are real
It is integrated, the first disk 201 is the equal of a cylindrical boss.The middle part of first disk 201 and the second disk 202 is uniformly opened
Equipped with the first through hole 203 that the existing anchor cable 002 of 6 confessions and holding force intermediate plate 113 pass through, the even circumferential of the second disk 202 is opened
The second through hole 204 passed through equipped with 6 for holding force anchor cable 104.
Referring to shown in Fig. 4 and Fig. 5, beam rope device 105 offers 6 and tilts circular hole correspondingly with holding force anchor cable 104
301, one end of all inclination circular holes 301 from neighbouring holding force connector 102 is gathered to the centre of the other end, and beam rope device 105 is led
It is used to gather and fixes holding force anchor cable 104.
In order to realize that jack 110 can drive holding force anchor cable 104 to be drawn to the direction movement far from holding force connector 102
It stretches, the outer, coaxial of existing anchor disk 001, holding force connector 102 and holding force anchor cable 104 is arranged with support feet I114, support successively
Foot II115, jack 110, the first pressing plate 111 and holding force nut 112, holding force nut 112 are threadedly coupled with holding force anchor cable 104.
Referring to shown in Fig. 6 and Fig. 7, support feet I114 includes the first hollow cylinder 401 and first coaxial welding together
Ring flange 402 cuts the peep hole 103 there are one strip on first hollow cylinder 401, and the middle part of first flange disk 402 offers
For the first circular hole 404 that holding force anchor cable 104 passes through, the lateral surface of first flange disk 402 is provided with coaxial round boss 403,
Round boss 403 is used for and support feet II115 centerings, meanwhile, 402 outer rim of first flange disk has 6 threaded holes, for locking branch
Spike I114 and support feet II115.Referring to shown in Fig. 8 and Fig. 9, support feet II115 include it is coaxial weld together successively the
There are symmetrical 2 bar shapeds in two ring flanges 501, the second hollow cylinder 502 and chassis with holes 503, the both sides of the second hollow cylinder 502
Opening, for observing two times tensioning situation, the middle part of second flange disk 501 offers the second circle passed through for holding force anchor cable 104
Hole 505, the lateral surface of second flange disk 501 are provided with coaxial circular groove 506, meanwhile, 501 outer rim of second flange disk has 6
A threaded hole, for lock support foot I114 and support feet II115, the trepanning 504 on chassis 503 with holes is used for for holding force anchor cable
104 are pierced by.First hollow cylinder 401 resists existing 001 place metope 003 of anchor disk, first flange disk 402 and second flange disk
501 are fixed together, and circular groove 506 can be fixed with the cooperation of the round boss 403 on the first flange disk 402 of support feet I114
Position, coordinates with circular groove 506 and positions, and jack 110 is held between 503 and first pressing plate 111 of chassis with holes.To jack
110 conveying hydraulic pressure, one end of jack 110 is pressed against chassis 503 with holes, then pass through the second hollow cylinder 502, second flange disk
501st, 402 and first hollow cylinder 401 of first flange disk compresses metope 003, and the other end of jack 110 resists the first pressing plate
111, the position between the first pressing plate 111 and holding force anchor cable 104 is fixed, so as to drive holding force anchor cable 104, holding force connector 102,
And then existing anchor cable 002 is driven to be stretched.
In order to realize that holding force anchor disk 109 can fix the position of holding force anchor cable 104, first flange disk 402 and chassis with holes 503
Between all holding force anchor cables 104 on be arranged with anchor dynamometer 107, the second pressing plate 108 and holding force anchor disk 109, anchor cable successively
The end of dynamometer 107 resists first flange disk 402, and all holding force anchor cables 104 are each passed through holding force anchor disk 109, every holding force
Holding force intermediate plate 113 is arranged between anchor cable 104 and holding force anchor disk 109, positioning column 106 is arranged on anchor dynamometer 107, is positioned
Column 106 is fastened between 107 and second hollow cylinder 502 of anchor dynamometer, and positioning column 106 is welded on the second hollow cylinder 502
Inner surface.When carrying out two times tensioning to existing anchor cable 002 by jack 110, holding force anchor cable 104 drives holding force connector
102, and then existing anchor cable 002 is driven to be stretched to the direction far from existing anchor disk 001, under the action of positioning column 106, anchor cable is surveyed
The position of power meter 107, the second pressing plate 108 and holding force anchor disk 109 is constant, and holding force anchor cable 104 passes through holding force anchor disk 109 outside at this time
It stretches, then under the action of holding force intermediate plate 113, realizes fixed between holding force anchor disk 109 and holding force anchor cable 104；Two times tensioning
After in place, withdraw jack 110, under the rebound effect of existing anchor cable 002, holding force anchor cable 104 drive holding force anchor disk 109 to
Close to the movement of the direction of holding force connector 102 until being pressed against the second pressing plate 108, then resist anchor dynamometer 107, and then resist
First flange disk 402 realizes the fixation to 104 position of holding force anchor cable.
Generally speaking, each component of the existing anchorage cable stretching device 100 of the assembly type of the embodiment of the present invention can be classified as two major class：
Non-dismountable base part and detachable base part.
Non-dismountable component refer to when existing 002 two times tensioning of anchor cable in place after, by anchoring, these components cannot be split
It unloads, specifically includes：Shading ring 101, holding force intermediate plate 113, holding force connector 102, support feet I114, holding force anchor cable 104, Shu Suoqi
105th, anchor dynamometer 107, the second pressing plate 108, holding force anchor disk 109.
Correspondingly, after detachable part refers to existing 002 two times tensioning of anchor cable in place, after stretching force is anchored, these
Component can be removable, and to save space, be specifically included：Positioning column 106, support feet II115, jack 110, the first pressing plate
111st, holding force nut 112.
The connection relation of non-dismountable component is：(1) shading ring 101 is inserted in the outside of existing anchor cable 002, is then covered again
Enter holding force connector 102, existing anchor cable 002 passes through the first through hole 203, and is put into holding force intermediate plate in the first through hole 203
113, then holding force anchor cable 104 is passed through into the second through hole 204, and be put into holding force intermediate plate 113 in the second through hole 204, pass through
Holding force connector 102 connects existing anchor cable 002 with holding force anchor cable 104.(2) holding force anchor cable 104 is passed through into beam rope device
105, hold anchor cable 104, which is gathered, to be secured together, and support feet I114 is sleeved on 102 outside of holding force connector later.(3) it waits to prop up
After spike I114 is installed in place, anchor dynamometer 107 is passed through into holding force anchor cable 104, the second pressing plate 108 is then passed through into holding force anchor
Holding force anchor disk 109 is screwed in the outside of holding force anchor cable 104 by rope 104 later.
The connection relation of detachable part is：(1) after non-dismountable component is installed in place, support feet II115 is passed through and is held
Power anchor cable 104 is sleeved on the outside of anchor dynamometer 107, since support feet II115 internal weldings are connected to positioning column 106, it is possible to
Ensure that anchor dynamometer 107 and support feet II115 are concentric, simultaneously as the end of support feet II115 and support feet I114
There are the second flange disk 501 of centering and first flange disk 402 in tail portion, it is possible to ensure support feet I114 and support feet II115
It is concentric.(2) jack 110 is passed through into holding force anchor cable 104, the first pressing plate 111 is inserted in holding force anchor cable 104, is against very heavy
110 tail portions are pushed up, screw in holding force nut 112 later.
The implementation process of the existing anchorage cable stretching device 100 of assembly type is：
(1) metope 003 on existing 002 periphery of anchor cable is flattened first.
(2) shading ring 101 and holding force connector 102 are sleeved on 002 outside of existing anchor cable, with beam rope device 105 by holding force anchor
Rope 104, which is gathered, to be secured together.
(3) support feet I114 is put on, the end of support feet I114 is made all to be against on metope 003.
(4) anchor dynamometer 107 is inserted on holding force anchor cable 104, is then inserted in the second pressing plate 108 and holding force anchor disk 109,
Holding force anchor disk 109 is tight against the second pressing plate 108.
(5) support feet II115 is sleeved on the outside of anchor dynamometer 107, and by 402 He of first flange disk of support feet I114
501 centering of second flange disk of support feet II115, is later fixed the two with bolt.
(6) jack 110 is inserted in 104 outside of holding force anchor cable, ensures that jack 110 and holding force anchor cable 104 are concentric.
(7) the first pressing plate 111 is sleeved on to the tail end of jack 110, then screws holding force nut 112.
(8) conveying hydraulic pressure to jack 110 makes it generate two times tensioning power, after two times tensioning power applies in place, then into
Then the slight overpull of row keeps the displacement cylinder of jack 110 motionless, by the effect of pulling force and frictional force, passes through holding force intermediate plate
113 fix holding force anchor cable 104 and holding force connector 102.
(9) laying down the hydraulic oil in jack 110 makes its displacement cylinder bounce back, and has just started the mistake of rebound in holding force anchor cable 104
Cheng Zhong, holding force intermediate plate 113 fix holding force anchor disk 109 with holding force anchor cable 104, and holding force anchor cable 104 cannot bounce back again, therefore secondary
Stretching force is transferred completely on holding force anchor disk 109.
(10) from tail portion piece by piece by detachable part removable member, disassembly sequence is：112 → the first pressing plate of holding force nut
111 → jack, 110 → support feet II115.
The present embodiment also provides a kind of existing anchor cable two times tensioning device, including the above-mentioned existing anchorage cable stretching of assembly type
Device 100.
In conclusion the present invention the existing anchorage cable stretching device of assembly type can it is shorter in existing anchor cable tail portion in the case of
Realize the two times tensioning of existing anchor cable, and stretching construction does not destroy the original structure of existing anchor cable, it is easy to operate, using letter
It is single；Existing anchor cable two times tensioning device can realize the two times tensioning of existing anchor cable in the case where existing anchor cable tail portion is shorter.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, that is made any repaiies
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of existing anchorage cable stretching device of assembly type, for carrying out two times tensioning to the existing anchor cable for stretching out existing anchor disk,
Be characterized in that, including can fixing sleeve be set on the existing anchor cable on holding force connector, more fixation through the holding force company
The holding force anchor cable of device is connect, the beam rope device that will be fixed together in the middle part of all holding force anchor cables, the holding force connector, the beam rope
The arrangement center overlapping of axles of the axis of device and all holding force anchor cables, the holding force can be driven by being provided with around the holding force anchor cable
The jack and the holding force anchor disk of the holding force anchor cable can be anchored that anchor cable is moved to the direction far from the holding force connector.
2. the existing anchorage cable stretching device of assembly type according to claim 1, which is characterized in that its further include be sheathed on it is described
Outside existing anchor cable, and the shading ring between the existing anchor disk and the holding force connector.
3. the existing anchorage cable stretching device of assembly type according to claim 1, which is characterized in that the existing anchor cable and described
Holding force intermediate plate is arranged between holding force connector, between the holding force anchor cable and the holding force connector.
4. the existing anchorage cable stretching device of assembly type according to claim 1, which is characterized in that the holding force connector includes
Coaxially connected the first disk and the second disk, the diameter of first disk are less than the diameter of second disk, and described the
The first through hole passed through for the existing anchor cable, the circumference of second disk are offered in the middle part of one disk and the second disk
Offer the second through hole passed through for the holding force anchor cable.
5. the existing anchorage cable stretching device of assembly type according to claim 1, which is characterized in that the beam rope device offers more
It is a to tilt circular hole with the holding force anchor cable correspondingly, it is all tilt circular hole from one end of the neighbouring holding force connector to
Gather the centre of the other end.
6. the existing anchorage cable stretching device of assembly type according to claim 1, which is characterized in that the existing anchor disk, holding force
The outside of connector and the holding force anchor cable compresses successively is arranged with the support feet I to arrange in an axial direction, support feet II, described very heavy
Top, the first pressing plate and holding force nut, the holding force nut are threadedly coupled with the holding force anchor cable.
7. the existing anchorage cable stretching device of assembly type according to claim 6, which is characterized in that the support feet I includes same
First hollow cylinder of axis connection and first flange disk, offer the first circular hole in the middle part of the first flange disk, and described first
The lateral surface of ring flange is provided with coaxial round boss；The support feet II include coaxial sequentially connected second flange disk,
Second hollow cylinder and chassis with holes, offer the second circular hole in the middle part of the second flange disk, the second flange disk it is outer
Side is provided with coaxial circular groove, and first hollow cylinder resists metope where the existing anchor disk, first method
Blue disk and the second flange disk are fixed together, and the round boss is positioned with circular groove cooperation, described very heavy
Contact is held between the chassis with holes and first pressing plate.
8. the existing anchorage cable stretching device of assembly type according to claim 7, which is characterized in that the first flange disk and institute
It states and is arranged with anchor dynamometer, the second pressing plate and the holding force anchor disk, institute on all holding force anchor cables between chassis with holes successively
The end for stating anchor dynamometer resists the first flange disk, and all holding force anchor cables are each passed through the holding force anchor disk, and every is held
Holding force intermediate plate is arranged between power anchor cable and the holding force anchor disk.
9. the existing anchorage cable stretching device of assembly type according to claim 8, which is characterized in that covered on the anchor dynamometer
Equipped with positioning column, the positioning column is fastened between the anchor dynamometer and second hollow cylinder.
10. a kind of existing anchor cable two times tensioning device, which is characterized in that it is included as claimed in any one of claims 1-9 wherein
The existing anchorage cable stretching device of assembly type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711439527.4A CN108179746A (en) | 2017-12-27 | 2017-12-27 | The existing anchorage cable stretching device of assembly type and existing anchor cable two times tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711439527.4A CN108179746A (en) | 2017-12-27 | 2017-12-27 | The existing anchorage cable stretching device of assembly type and existing anchor cable two times tensioning device |
Publications (1)
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| CN108179746A true CN108179746A (en) | 2018-06-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111779284A (en) * | 2020-07-20 | 2020-10-16 | 孔瑞扬 | Steel strand pre-stress anchoring process |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2347504A1 (en) * | 1976-04-05 | 1977-11-04 | Freyssinet Int Stup | Concrete reinforcement cable coupling - has threaded section screwed inside hole of primary cable anchor |
| JPH1150453A (en) * | 1997-08-07 | 1999-02-23 | Kurosawa Kensetsu Kk | Anchorage device of ground anchor head |
| CN102108703A (en) * | 2010-12-20 | 2011-06-29 | 中铁隧道集团有限公司 | Adjustable prestressed anchoring device |
| CN102296605A (en) * | 2011-07-18 | 2011-12-28 | 中铁西北科学院研究所有限公司深圳南方分院 | Device and method for compensating or unloading prestress loads of anchor cable |
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2017
- 2017-12-27 CN CN201711439527.4A patent/CN108179746A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2347504A1 (en) * | 1976-04-05 | 1977-11-04 | Freyssinet Int Stup | Concrete reinforcement cable coupling - has threaded section screwed inside hole of primary cable anchor |
| JPH1150453A (en) * | 1997-08-07 | 1999-02-23 | Kurosawa Kensetsu Kk | Anchorage device of ground anchor head |
| CN102108703A (en) * | 2010-12-20 | 2011-06-29 | 中铁隧道集团有限公司 | Adjustable prestressed anchoring device |
| CN102296605A (en) * | 2011-07-18 | 2011-12-28 | 中铁西北科学院研究所有限公司深圳南方分院 | Device and method for compensating or unloading prestress loads of anchor cable |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111779284A (en) * | 2020-07-20 | 2020-10-16 | 孔瑞扬 | Steel strand pre-stress anchoring process |
| CN111779284B (en) * | 2020-07-20 | 2022-02-18 | 河北科讯通信器材有限公司 | Steel strand pre-stress anchoring process |
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Application publication date: 20180619 |