CN108166490A - Hung and buckled anchor cable tensioning machine tool and anchor cable two times tensioning system - Google Patents
Hung and buckled anchor cable tensioning machine tool and anchor cable two times tensioning system Download PDFInfo
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- CN108166490A CN108166490A CN201711439584.2A CN201711439584A CN108166490A CN 108166490 A CN108166490 A CN 108166490A CN 201711439584 A CN201711439584 A CN 201711439584A CN 108166490 A CN108166490 A CN 108166490A
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- holding force
- anchor
- disk
- anchor cable
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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
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
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- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
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- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Abstract
A kind of hung and buckled anchor cable tensioning machine tool and anchor cable two times tensioning system, are related to anchor cable tightening technology field.Hung and buckled anchor cable tensioning machine tool is used to carry out two times tensioning to the existing anchor cable for stretching out existing hole wall, it includes T-shaped anchor disk of the fixing sleeve on existing anchor cable, connector sleeve is set on the holding force steel bushing of T-shaped anchor disk, and the holding force rod iron of connection holding force steel bushing, the axis of T-shaped anchor disk, the arrangement central shaft of holding force steel bushing and the axis of all holding force rod irons overlap, the jack that holding force rod iron can be driven to be moved to the direction far from existing hole wall is provided with around holding force rod iron, and the anchor disk of holding force rod iron can be anchored, the hung and buckled anchor cable tensioning machine tool 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, it is easy to operate, using simple.Anchor cable two times tensioning system 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 hung and buckled anchor cable tensioning machine tool and anchor cable
Two times tensioning system.
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 hung and buckled anchor cable tensioning machine tools, can be 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 simple.
It, can be shorter in existing anchor cable tail portion another object of the present invention is to provide a kind of anchor cable two times tensioning system
In the case of realize the two times tensioning of existing anchor cable.
What the embodiment of the present invention was realized in：
A kind of hung and buckled anchor cable tensioning machine tool, for carrying out two times tensioning, packet to the existing anchor cable for stretching out existing hole wall
T-shaped anchor disk of the fixing sleeve on existing anchor cable is included, connector sleeve is set on the holding force steel bushing of T-shaped anchor disk and connection holding force steel bushing
Holding force rod iron, the axis of the axis of T-shaped anchor disk, the arrangement central shaft of holding force steel bushing and all holding force rod irons overlaps, holding force steel
Holding force rod iron can be driven to the jack of the direction movement far from existing hole wall and can be anchored holding force steel by being provided with around stick
The anchor disk of stick.
It is above-mentioned to further include the holding force folder being arranged between existing anchor cable and T-shaped anchor disk in preferred embodiments of the present invention
Piece.
In preferred embodiments of the present invention, above-mentioned T-shaped anchor disk includes coaxially connected the first anchor disk and the second anchor disk, with
And the anchor hole through T-shaped anchor disk, the diameter of the second anchor disk are more than the diameter of the first anchor disk.
In preferred embodiments of the present invention, the quantity of above-mentioned holding force steel bushing is at least two groups, and all holding force steel bushings are along T-shaped
The even circumferential arrangement of anchor disk, every group of holding force steel bushing include coaxially connected integral clamping part and extension, clamping part cutting ferrule
In on the second anchor disk, extension site is threadedly coupled around holding force steel plate, and with holding force rod iron.
In preferred embodiments of the present invention, the threaded connection place of above-mentioned extension and holding force rod iron is arranged with to gather
The hollow steel bushing of all extensions.
In preferred embodiments of the present invention, the outside of above-mentioned T-shaped anchor disk, holding force steel bushing and holding force rod iron compresses set successively
Equipped with support feet I, support feet II, jack, pressing plate and the holding force nut arranged in an axial direction, support feet I resists existing hole wall, holds
Power nut is threadedly coupled with holding force rod iron.
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 hole wall,
First flange disk and second flange disk are fixed together, and round boss is positioned with circular groove cooperation, and jack is held in band
Between bottom hole disk and pressing plate.
In preferred embodiments of the present invention, covered successively on the holding force rod iron between above-mentioned first flange disk and chassis with holes
Equipped with cable wire dynamometer, annulus gasket and anchor disk, anchor disk is threadedly coupled with holding force rod iron, and anchor disk can be moved along holding force steel plate
It moves to annulus gasket is compressed, annulus gasket compresses one end of cable wire dynamometer, and the other end of cable wire dynamometer resists first flange
Disk.
In preferred embodiments of the present invention, positioning column is arranged on above-mentioned cable wire dynamometer, positioning column is fastened in cable wire
Between dynamometer and the second hollow cylinder.
A kind of anchor cable two times tensioning system, including above-mentioned hung and buckled anchor cable tensioning machine tool.
The advantageous effect of the embodiment of the present invention is：The hung and buckled anchor cable tensioning machine tool of the embodiment of the present invention is used for stretching out both
The existing anchor cable for having hole wall carries out two times tensioning, is set on the T-shaped anchor disk on existing anchor cable including fixing sleeve, connector sleeve is set on T
The holding force steel bushing of type anchor disk and the holding force rod iron for connecting holding force steel bushing, the axis of T-shaped anchor disk, the arrangement center of holding force steel bushing
The axis of axis and all holding force rod irons overlaps, and holding force rod iron can be driven to separate existing hole wall by being provided with around holding force rod iron
The jack of direction movement and the anchor disk that can be anchored holding force rod iron, which can be in existing anchor
The two times tensioning of existing anchor cable is realized in the case that rope tail portion is shorter, and stretching construction does not destroy the original structure of existing anchor cable,
It is easy to operate, using simple.Anchor cable two times tensioning system can be realized existing in the case where existing anchor cable tail portion is shorter
The two times tensioning of anchor cable.
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 hung and buckled anchor cable tensioning machine tool provided in an embodiment of the present invention；
Fig. 2 is the structure diagram of T-shaped anchor disk in Fig. 1；
Fig. 3 is the structure diagram at another visual angles of Fig. 2；
Fig. 4 is the arrangement schematic diagram of holding force steel bushing in Fig. 1；
Fig. 5 is the arrangement schematic 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；
Figure 10 is the structure diagram of anchor disk in Fig. 1；
Figure 11 is the structure diagram at another visual angles of Figure 10.
Icon：The hung and buckled anchor cable tensioning machine tools of 100-；The existing hole walls of 001-；The existing anchor cables of 002-；110-T type anchor disks；
111- the first anchor disks；112- the second anchor disks；113- anchor holes；120- holding force steel bushings；121- clamping parts；122- extensions；123-
Half circular ring plate；124- the second semicircle ring plates；125- half-connection cylinders；130- holding force rod irons；140- anchor disks；The first screw threads of 141-
Hole；The second threaded holes of 142-；150- jack；160- support feets I；The first hollow cylinders of 161-；162- first flange disks；163-
Round boss；The first circular holes of 164-；165- peep holes；170- support feets II；171- second flange disks；The second open circles of 172-
Column；173- chassis with holes；174- trepannings；The second circular holes of 175-；176- circular grooves；181- holding force intermediate plates；The hollow steel bushings of 182-；
183- pressing plates；184- holding force nuts；185- cable wire dynamometers；186- annulus gaskets；187- positioning columns.
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 the orientation or position of the instructions such as term " on ", " under ", " interior ", " outer "
Put relationship be based on orientation shown in the drawings or position relationship or the invention product using when the orientation or position usually put
Relationship is put, be for only for ease of the description present invention and simplifies description rather than instruction or implies that signified device or element are necessary
With specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, 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 ",
" installation ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally connect
It connects；Can be mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected by intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, can above-mentioned term be understood with concrete condition
Concrete meaning in the present invention.
It please refers to shown in Fig. 1, the present embodiment provides a kind of hung and buckled anchor cable tensioning machine tool 100, for stretching out existing hole
The existing anchor cable 002 of wall 001 carries out two times tensioning, and the T-shaped anchor disk 110 on existing anchor cable 002, connection are set on including fixing sleeve
It is sheathed on the holding force steel bushing 120 of T-shaped anchor disk 110 and the holding force rod iron 130 of connection holding force steel bushing 120, the axis of T-shaped anchor disk 110
The axis of line, the arrangement central shaft of holding force steel bushing 120 and all holding force rod irons 130 overlaps, and is provided with around holding force rod iron 130
Holding force rod iron 130 can be driven to the jack 150 of the direction movement far from existing hole wall 001 and holding force rod iron 130 can be anchored
Anchor disk 140.In the present embodiment, T-shaped anchor disk 110 is used to connect existing anchor cable 002, holding force steel bushing 120 and holding force rod iron 130
For extending the tensioning length of existing anchor cable 002, jack 150 is used for by driving holding force rod iron 130 and holding force steel bushing 120,
So as to which T-shaped anchor disk 110 be driven to be moved to the direction far from existing hole wall 001, tensioning, anchoring are then carried out to existing anchor cable 002
Disk 140 is used to, by fixed holding force rod iron 130, so as to the position of fixed existing anchor cable 002, it be made to keep tensile state, therefore,
The hung and buckled anchor cable tensioning machine tool 100 can realize existing anchor cable in the case of existing 002 tail portion of anchor cable shorter (3~5cm)
002 two times tensioning, and stretching construction does not destroy the original structure of existing anchor cable 002, it is easy to operate, using simple.
In order to make the reliability connected between existing anchor cable 002 and T-shaped anchor disk 110, hung and buckled anchor cable tensioning machine tool 100 is also
Including the holding force intermediate plate 181 being arranged between existing anchor cable 002 and T-shaped anchor disk 110.
Referring to shown in Fig. 2 and Fig. 3, T-shaped anchor disk 110 is by coaxially connected the first cylindrical anchor disk 111 and cylinder
The second anchor disk 112 composition T-type structure, the diameter of the second anchor disk 112 is more than the diameter of the first anchor disk 111.T-shaped anchor cable opens up
There are 6 perforative anchor holes 113, run through for existing anchor cable 002.
Referring to shown in Fig. 4 and Fig. 5, the quantity of holding force steel bushing 120 is at least two groups, and all holding force steel bushings 120 are along T-shaped anchor disk
110 even circumferential arrangement, every group of holding force steel bushing 120 include coaxially connected integral clamping part 121 and extension 122, card
Buckle 121 is fastened on the second anchor disk 112, and for connecting T-shaped anchor disk 110, so as to connect existing anchor cable 002, extension 122 is used
In the tensioning length for effectively extending existing anchor cable 002, extension 122 is located at around holding force steel plate, and with 130 spiral shell of holding force rod iron
Line connects.T-shaped anchor disk 110 can be surrounded, and be easy for installation and removal by multigroup holding force steel bushing 120.In the present embodiment, hold
The quantity of power steel bushing 120 is two groups, the outside of the cavity shape of the clamping part 121 of every group of holding force steel bushing 120 and the second anchor disk 112
Shape is agreed with, and clamping part 121 specifically includes the first semicircle ring plate 123 being arranged in parallel and the second semicircle ring plate 124 and connection
The half-connection cylinder 125 of the outer edge of first semicircle ring plate 123 and the outer edge of the second semicircle ring plate 124, the second anchor disk 112 are opposite
The circumferential edge edge of first anchor disk 111 protrusion is arranged in 125 shape of the first semicircle ring plate 123, the second semicircle ring plate 124 and half-connection cylinder
Into semi-circular shape card slot in.There is screw thread inside holding force steel bushing 120, there is corresponding screw thread in the periphery of holding force rod iron 130, and the two can
Closely to connect, specifically all extensions 122 collectively constitute hollow cylinder, and there are screw thread, internal diameter and holding force rod iron 130 in inside
Outer diameter is equal, for being connect with holding force rod iron 130；In order to make the connection between holding force steel bushing 120 and holding force rod iron 130 more firm
It leans on, the threaded connection place of extension 122 and holding force rod iron 130 is arranged with the hollow steel bushing for gathering all extensions 122
182。
In order to realize that jack 150 can drive existing anchor cable 002 to separate existing hole wall 001 by holding force steel bushing 120
Direction movement is stretched, and the outside of T-shaped anchor disk 110, holding force steel bushing 120 and holding force rod iron 130 compresses successively to be arranged with along axis
To the support feet I160 of arrangement, support feet II170, jack 150, pressing plate 183 and holding force nut 184, support feet I160 is resisted
Existing hole wall 001, holding force nut 184 are threadedly coupled with holding force rod iron 130.
Referring to shown in Fig. 6 and Fig. 7, support feet I160 includes the first hollow cylinder 161 and first coaxial welding together
Ring flange 162 cuts the peep hole 165 there are four strip on first hollow cylinder 161, and the middle part of first flange disk 162 offers
For the first circular hole 164 that 120 grade components of holding force steel bushing pass through, it is convex that the lateral surface of first flange disk 162 is provided with coaxial circle
Platform 163, round boss 163 is used for and support feet II170 centerings, meanwhile, 162 outer rim of first flange disk has 6 threaded holes, is used for
Lock support foot I160 and support feet II170.Referring to shown in Fig. 8 and Fig. 9, support feet II170 includes coaxially being welded on one successively
Second flange disk 171, the second hollow cylinder 172 and chassis with holes 173, the middle part of second flange disk 171 risen offer second
Circular hole 175, there are one trepannings 174 on chassis 173 with holes, are pierced by for holding force rod iron 130, the lateral surface of second flange disk 171
Coaxial circular groove 176 is provided with, can coordinate with the round boss 163 on the first flange disk 162 of support feet I160 and position,
Meanwhile 171 outer rim of second flange disk has 6 threaded holes, for lock support foot I160 and support feet II170, chassis 173 with holes
On trepanning 174 for being pierced by for holding force anchor rod iron.First hollow cylinder 161 resists existing hole wall 001, first flange disk 162
It is fixed together with second flange disk 171, and round boss 163 is positioned with the cooperation of circular groove 176, the two cooperation can ensure
Support feet I160 and support feet II170 are concentric, so as to make internal each component also concentric with existing anchor cable 002, ensure secondary
Pulling force is effectively transferred to existing anchor cable 002, and jack 150 is held between chassis 173 with holes and pressing plate 183.To jack 150
Hydraulic pressure is conveyed, one end of jack 150 is pressed against chassis 173 with holes, then pass through the second hollow cylinder 172, second flange disk
171st, 162 and first hollow cylinder 161 of first flange disk compresses existing hole wall 001, and the other end of jack 150 resists pressing plate
183, the position between pressing plate 183 and holding force rod iron 130 is fixed, so as to drive holding force rod iron 130, holding force steel bushing 120, T-shaped anchor
Disk 110, and then existing anchor cable 002 is driven to be stretched.
Referring to shown in Figure 10 and Figure 11, there are one first spiral shells identical with 130 outer diameter of holding force rod iron for the centre of anchor disk 140
Pit 141 for tightening holding force rod iron 130, prevents its retraction, and two times tensioning power is avoided to relax.The side of anchor disk 140 has 8
A second threaded hole 142, their effect are that the personnel that are conveniently operated rotate anchor disk 140.
In order to realize that anchor disk 140 can fix the position of holding force rod iron 130, first flange disk 162 and chassis with holes 173 it
Between holding force rod iron 130 on be arranged with cable wire dynamometer 185, annulus gasket 186 and anchor disk 140, cable wire dynamometer 185 successively
On be arranged with positioning column 187, positioning column 187 is fastened between 185 and second hollow cylinder 172 of cable wire dynamometer, positioning column 187
It is welded on inside the second hollow cylinder 172 of support feet II170, the internal diameter of positioning column 187 and the outer diameter phase of cable wire dynamometer 185
Together, it is ensured that cable wire dynamometer 185 and support feet II170 and existing anchor cable 002 are concentric, ensure that the anchor cable internal force of monitoring is accurate
Really, anchor disk 140 is threadedly coupled with holding force rod iron 130, and anchor disk 140 can be moved to along holding force steel plate and compress annulus gasket 186,
Annulus gasket 186 compresses one end of cable wire dynamometer 185, and the other end of cable wire dynamometer 185 resists first flange disk 162.It is logical
When crossing jack 150 to existing anchor cable 002 progress two times tensioning, holding force rod iron 130 drives holding force steel bushing 120, T-shaped anchor disk 110,
And then existing anchor cable 002 is driven to be stretched to the direction far from existing hole wall 001, and under the action of positioning column 187, cable wire dynamometer
The position of 185 and support feet I160 is constant；Two times tensioning in place after, turn anchor disk 140 makes it through annulus gasket 186 and supports
Compressed steel rope dynamometer 185 finally compresses existing hole wall 001, withdraws jack 150, under the rebound effect of existing anchor cable 002
Under reaction with existing hole wall 001, the fixation to existing 002 position of anchor cable is realized.
Generally speaking, each sub-unit of the hung and buckled anchor cable tensioning machine tool 100 of the embodiment of the present invention can be classified as two major class：No
Detachable base part and detachable base part.
After non-dismountable component refers to existing 002 two times tensioning of anchor cable in place, by anchoring, these components cannot be split
It unloads, specifically includes：Existing hole wall 001, existing anchor cable 002, T-shaped anchor disk 110, holding force steel bushing 120, hollow steel bushing 182, support feet
I160, holding force rod iron 130, cable wire dynamometer 185, annulus gasket 186, anchor disk 140.
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 to save space, specifically include positioning column 187, support feet II, jack 150, pressing plate 183 and holding force
Nut 184.
The connection relation of non-dismountable component is：(1) before two times tensioning is carried out, T-shaped anchor disk is arranged on existing anchor cable 002
110, holding force steel bushing 120 is first sleeved on to the protrusion of T-shaped anchor disk 110, on specifically the second anchor disk 112, then by hollow steel bushing
182 are sleeved on 120 outside of holding force steel bushing, and the internal diameter that holding force steel bushing 120 forms outer diameter and hollow steel bushing 182 together is equal, and two
Person, which is fixed as one, to be separated.(2) support feet I160 is sleeved on 110 outside of hollow steel bushing 182 and T-shaped anchor disk.(3) due to holding force
Both there is screw thread in steel bushing 120, have corresponding screw thread outside holding force rod iron 130, in 130 precession holding force steel bushing 120 of holding force rod iron, will make
It connects.(4) cable wire dynamometer 185 is passed through into holding force rod iron 130, annulus gasket 186 is then passed through into holding force rod iron 130,
Anchor disk 140 is screwed in into holding force rod iron 130 later.
The connection relation of detachable part is：(1) after non-dismountable component is installed in place, support feet II170 is passed through and is held
Power rod iron 130 is sleeved on the outside of cable wire dynamometer 185, since support feet II170 internal weldings are connected to positioning column 187, it is possible to
Ensure that cable wire dynamometer 185 and support feet II170 are concentric, simultaneously as the end of support feet II170 and support feet I160
There is centering ring flange in tail portion, it is possible to ensure that support feet I160 and support feet II170 are concentric.(2) jack 150 is worn
Holding force rod iron 130 is crossed, pressing plate 183 is inserted in holding force rod iron 130, is against 150 tail portion of jack, screws in holding force nut 184 later,
During two times tensioning, the stretching force of jack 150 can pass through holding force rod iron 130, holding force steel bushing 120, support feet I160 and T-shaped anchor
Disk 110 is transferred to existing anchor cable 002.
The implementation process of hung and buckled anchor cable tensioning machine tool 100：
(1) T-shaped anchor disk 110 is installed and used when installing existing anchor cable 002.
(2) before two times tensioning is carried out, the existing hole wall 001 on existing 002 periphery of anchor cable is flattened first.
(3) holding force steel bushing 120 is tightly nested in T-shaped 110 outside of anchor disk, then hollow steel bushing 182 is sleeved on holding force steel bushing
120 outsides, then put on support feet I160, the end of support feet I160 are made all to be against on metope.
(4) holding force rod iron 130 is screwed in holding force steel bushing 120.
(5) cable wire dynamometer 185 is inserted on holding force rod iron 130, is then inserted in annulus gasket 186 and screws in anchor disk
140.At this point, anchor disk 140 is not needed to tight against annulus gasket 186.
(6) support feet II170 is sleeved on the outside of cable wire dynamometer 185, and by 162 He of first flange disk of support feet I160
171 centering of second flange disk of support feet II170, is later fixed the two with bolt.
(7) jack 150 is passed through into holding force rod iron 130, keeps jack 150 and holding force rod iron 130 concentric.
(8) pressing plate 183 is sleeved on to the tail end of jack 150, then screws holding force nut 184.
(9) conveying hydraulic pressure to jack 150 makes it generate two times tensioning power, after two times tensioning power applies in place, keeps
The displacement cylinder of jack 150 is motionless, then rotates anchor disk 140 until it resists the 186 motionless rotation of annulus gasket.
(10) laying down the hydraulic oil in jack 150 makes its displacement cylinder bounce back, at this time since anchor disk 140 has locked holding force
Rod iron 130 prevents it from bouncing back, therefore two times tensioning power is transferred completely into anchor disk 140.
(11) from tail portion piece by piece by detachable part removable member, disassembly sequence is：184 → pressing plate of holding force nut 183 →
150 → support feet of jack II170.
The present embodiment also provides a kind of anchor cable two times tensioning system, including above-mentioned hung and buckled anchor cable tensioning machine tool 100.
In conclusion the hung and buckled anchor cable tensioning machine tool of the present invention can be realized in the case where existing anchor cable tail portion is shorter
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 simple；
Anchor cable two times tensioning system 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 hung and buckled anchor cable tensioning machine tool, for carrying out two times tensioning, feature to the existing anchor cable for stretching out existing hole wall
It is, be set on the T-shaped anchor disk on the existing anchor cable including fixing sleeve, connector sleeve is set on the holding force steel bushing of the T-shaped anchor disk,
And the holding force rod iron of the connection holding force steel bushing, the axis of the T-shaped anchor disk, the arrangement central shaft of the holding force steel bushing and institute
The axis for having holding force rod iron overlaps, and the holding force rod iron can be driven to far from described existing by being provided with around the holding force rod iron
The jack of the direction movement of hole wall and the anchor disk that the holding force rod iron can be anchored.
2. hung and buckled anchor cable tensioning machine tool according to claim 1, which is characterized in that further include and be arranged in the existing anchor
Holding force intermediate plate between rope and the T-shaped anchor disk.
3. hung and buckled anchor cable tensioning machine tool according to claim 1, which is characterized in that the T-shaped anchor disk includes coaxially connecting
The the first anchor disk and the second anchor disk and the anchor hole through the T-shaped anchor disk connect, the diameter of the second anchor disk are more than described the
The diameter of one anchor disk.
4. hung and buckled anchor cable tensioning machine tool according to claim 3, which is characterized in that the quantity of the holding force steel bushing is extremely
Two groups few, all holding force steel bushings are arranged along the even circumferential of T-shaped anchor disk, and holding force steel bushing described in every group includes coaxially connected integral
Clamping part and extension, the clamping part is fastened on the second anchor disk, and the extension site is in the holding force steel plate
Around, and be threadedly coupled with the holding force rod iron.
5. hung and buckled anchor cable tensioning machine tool according to claim 4, which is characterized in that the extension and the holding force steel
The threaded connection place of stick is arranged with the hollow steel bushing for gathering all extensions.
6. hung and buckled anchor cable tensioning machine tool according to claim 1, which is characterized in that the T-shaped anchor disk, holding force steel bushing and
The outside of holding force rod iron compresses successively to be arranged with the support feet I to arrange in an axial direction, support feet II, the jack, pressing plate and holds
Power nut, the support feet I resist the existing hole wall, and the holding force nut is threadedly coupled with the holding force rod iron.
7. hung and buckled anchor cable tensioning machine tool according to claim 6, which is characterized in that the support feet I includes coaxially connecting
The first hollow cylinder and first flange disk connect offers the first circular hole, the first flange in the middle part of the first flange disk
The lateral surface of disk is provided with coaxial round boss；The support feet II includes coaxial sequentially connected second flange disk, second
Hollow cylinder and chassis with holes offer the second circular hole, the lateral surface of the second flange disk in the middle part of the second flange disk
Coaxial circular groove is provided with, first hollow cylinder resists the existing hole wall, the first flange disk and described
Two ring flanges are fixed together, and the round boss is positioned with circular groove cooperation, and the jack is held in described
Between chassis with holes and the pressing plate.
8. hung and buckled anchor cable tensioning machine tool according to claim 7, which is characterized in that the first flange disk and the band
It is arranged with cable wire dynamometer, annulus gasket and the anchor disk, the anchoring successively on the holding force rod iron between bottom hole disk
Disk is threadedly coupled with the holding force rod iron, and the anchor disk can be moved to along the holding force steel plate and compress the annulus gasket, institute
One end that annulus gasket compresses the cable wire dynamometer is stated, the other end of the cable wire dynamometer resists the first flange disk.
9. hung and buckled anchor cable tensioning machine tool according to claim 8, which is characterized in that be arranged on the cable wire dynamometer
Positioning column, the positioning column are fastened between the cable wire dynamometer and second hollow cylinder.
10. a kind of anchor cable two times tensioning system, which is characterized in that it includes hanging buckle as claimed in any one of claims 1-9 wherein
Formula anchor cable tensioning machine tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711439584.2A CN108166490A (en) | 2017-12-27 | 2017-12-27 | Hung and buckled anchor cable tensioning machine tool and anchor cable two times tensioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711439584.2A CN108166490A (en) | 2017-12-27 | 2017-12-27 | Hung and buckled anchor cable tensioning machine tool and anchor cable two times tensioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108166490A true CN108166490A (en) | 2018-06-15 |
Family
ID=62521870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711439584.2A Pending CN108166490A (en) | 2017-12-27 | 2017-12-27 | Hung and buckled anchor cable tensioning machine tool and anchor cable two times tensioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108166490A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114592513A (en) * | 2022-03-14 | 2022-06-07 | 深圳市工勘岩土集团有限公司 | Snatch formula ground tackle structure convenient to compensation stretch-draw |
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|---|---|---|---|---|
| CN202181510U (en) * | 2011-06-18 | 2012-04-04 | 湘潭欧之姆预应力锚具有限公司 | Double-tensioning vertical rear anchor direct-connecting connector for bridge suspended pouring construction hanging basket |
| CN203639833U (en) * | 2013-12-20 | 2014-06-11 | 中交二航局第四工程有限公司 | Secondary tensioning system used for secondary tensioning low-retraction anchoring system |
| CN204626260U (en) * | 2015-05-18 | 2015-09-09 | 湖南路桥建设集团有限责任公司 | A kind of construction equipment of box bridge vertical prestressing steel strand tension |
| CN105064358A (en) * | 2015-08-25 | 2015-11-18 | 中国地质科学院探矿工艺研究所 | Compensation adjustment method for prestress loss of anchor cable |
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2017
- 2017-12-27 CN CN201711439584.2A patent/CN108166490A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202181510U (en) * | 2011-06-18 | 2012-04-04 | 湘潭欧之姆预应力锚具有限公司 | Double-tensioning vertical rear anchor direct-connecting connector for bridge suspended pouring construction hanging basket |
| CN203639833U (en) * | 2013-12-20 | 2014-06-11 | 中交二航局第四工程有限公司 | Secondary tensioning system used for secondary tensioning low-retraction anchoring system |
| CN204626260U (en) * | 2015-05-18 | 2015-09-09 | 湖南路桥建设集团有限责任公司 | A kind of construction equipment of box bridge vertical prestressing steel strand tension |
| CN105064358A (en) * | 2015-08-25 | 2015-11-18 | 中国地质科学院探矿工艺研究所 | Compensation adjustment method for prestress loss of anchor cable |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114592513A (en) * | 2022-03-14 | 2022-06-07 | 深圳市工勘岩土集团有限公司 | Snatch formula ground tackle structure convenient to compensation stretch-draw |
| CN114592513B (en) * | 2022-03-14 | 2024-01-09 | 深圳市工勘岩土集团有限公司 | Snatch formula ground tackle structure convenient to compensation stretch-draw |
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Application publication date: 20180615 |