CN108104120A - Intermediate linking anchorage cable stretching device and anchor cable two times tensioning device - Google Patents
Intermediate linking anchorage cable stretching device and anchor cable two times tensioning device Download PDFInfo
- Publication number
- CN108104120A CN108104120A CN201711439551.8A CN201711439551A CN108104120A CN 108104120 A CN108104120 A CN 108104120A CN 201711439551 A CN201711439551 A CN 201711439551A CN 108104120 A CN108104120 A CN 108104120A
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- China
- Prior art keywords
- holding force
- anchor
- stick
- stretching device
- cylinder
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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
-
- 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
- E02D5/765—Anchorings for bulkheads or sections thereof in as much as specially adapted therefor removable
Abstract
A kind of intermediate linking anchorage cable stretching device and anchor cable two times tensioning device, belong to anchor cable tightening technology field.The intermediate linking anchorage cable stretching device includes intermediate connecting cylinder, holding force connector and holding force stick I, threaded one end of the both ends of intermediate connecting cylinder respectively with existing anchor disk and holding force connector is connected, and the one end of holding force connector away from existing anchor disk is equipped with to connect the fixing groove of holding force stick I.Intermediate linking anchorage cable stretching apparatus structure provided by the invention is simple and reliable, and using convenient disassembly, be capable of fast and stable carries out two times tensioning operation to existing anchor cable.The present invention also provides a kind of anchor cable two times tensioning devices.
Description
Technical field
The present invention relates to anchor cable tightening technology field, in particular to a kind of intermediate linking anchorage cable stretching device and
Anchor cable two times tensioning device.
Background technology
Prestress anchorage cable is the ruggedized construction device for being widely used in foundation pit, rock improvement and landslide control, is to pass through
Soft stratum or sliding surface are drilled through, anchor pole one end is anchored in hard rock stratum (i.e. Inner bolt head), then at another
Free end (i.e. outer anchor head) carries out tensioning, so as to apply the method that pressure anchors unstable rock mass, prestressing force to rock stratum
On the one hand the prestressing force that anchor cable applies can significantly improve the stress of surface Rock And Soil, improve the intensity of surface Rock And Soil,
On the other hand surface Rock And Soil and internal Rock And Soil can be connected as a single entity, the overall stability of enhancing structure avoids gliding mass from going out
It is existing.
Usually in engineering construction, when anchor cable prestress application in place after, according to design requirement, anchor cable afterbody i.e. cut
Break and be enclosed in concrete pier, to prevent anchor cable from getting rusty and ensure engineering beauty.But over time, due to rock
The layer reason such as self-deformation or steel strand wires creep, the prestressing force of existing anchor cable are likely to occur larger loss, are needed at this time to both
There is anchor cable to carry out two times tensioning with restoration designing prestress value, and then ensure engineering stability, safety.But current engineering design
Or the two times tensioning problem of existing anchor cable is not paid attention in construction, therefore occur after anchor cable afterbody is cut, since length is shorter
And the problem of two times tensioning can not be carried out.
Therefore, it is necessary to a kind of devices that two times tensioning operation is carried out to existing anchor cable that can be rapidly and efficiently.
The content of the invention
It is an object of the invention to provide a kind of intermediate linking anchorage cable stretching device, can be rapidly and efficiently to existing
Anchor cable carry out two times tensioning operation.
Another object of the present invention is to provide a kind of anchor cable two times tensioning device, can stablize to existing anchor cable
Carry out two times tensioning operation.
What the embodiment of the present invention was realized in：
A kind of intermediate linking anchorage cable stretching device, for carrying out two times tensioning, bag to the anchor cable for passing through existing anchor disk
Include intermediate connecting cylinder, holding force connector and holding force stick I, the both ends of intermediate connecting cylinder respectively with existing anchor disk and holding force connector
Threaded one end connects, and the one end of holding force connector away from existing anchor disk is equipped with to connect the fixing groove of holding force stick I.
In preferred embodiments of the present invention, one end that above-mentioned holding force connector closes on existing anchor disk is equipped with to accommodate anchor
The anchor cable slot of rope.
In preferred embodiments of the present invention, above-mentioned holding force connector is by the first coaxially arranged cylinder and the second cylinder group
Into the diameter of the first cylinder is more than the second cylinder, and end face of first cylinder away from the second cylinder is equipped with anchor cable slot, and the second cylinder is remote
End face from the first cylinder is equipped with fixing groove.
Above-mentioned to further include the ring flange I being sheathed on holding force stick I in preferred embodiments of the present invention, ring flange I connects
There is the support tube I being sheathed on holding force connector.
In preferred embodiments of the present invention, the anchor disk that can be moved along its axis is arranged on above-mentioned holding force stick I.
In preferred embodiments of the present invention, anchor dynamometer is also arranged on above-mentioned holding force stick I, anchor dynamometer is located at
Between anchor disk and ring flange I.
In preferred embodiments of the present invention, the above-mentioned one end of holding force stick I away from holding force connector is connected with coaxially arranged
Holding force stick II, chassis is arranged on holding force stick II, chassis is connected with support tube II, one end connection of the support tube II away from chassis
There is the ring flange II being connected with ring flange I.
In preferred embodiments of the present invention, the side wall of above-mentioned support tube II is provided at least one opening.
In preferred embodiments of the present invention, annular jack and pressing plate, annular thousand are also arranged on above-mentioned holding force stick II
Jin top is between chassis and pressing plate.
The present invention also provides a kind of anchor cable two times tensioning devices, are filled including above-mentioned intermediate linking anchorage cable stretching
It puts.
The advantageous effect of the embodiment of the present invention is：Intermediate linking anchorage cable stretching device provided in an embodiment of the present invention includes
Intermediate connecting cylinder, holding force connector and holding force stick I, the both ends of intermediate connecting cylinder respectively with existing anchor disk and holding force connector one
End is threadedly coupled, and the one end of holding force connector away from existing anchor disk is equipped with to connect the fixing groove of holding force stick I.The present invention provides
Intermediate linking anchorage cable stretching apparatus structure it is simple and reliable, using convenient disassembly, be capable of fast and stable to existing anchor cable
Carry out two times tensioning operation.The present invention also provides a kind of anchor cable two times tensioning devices, and what can be stablized carries out two to anchor cable
Secondary tensioning operation.
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 scope, 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 the sectional view for the intermediate linking anchorage cable stretching device that the embodiment of the present invention 1 provides；
Fig. 2 is the axial sectional view of holding force connector in the embodiment of the present invention；
Fig. 3 is the circumferential sectional view of holding force connector in the embodiment of the present invention；
Fig. 4 is the axial sectional view of ring flange I and support tube I in the embodiment of the present invention；
Fig. 5 is the circumferential sectional view of ring flange I and support tube I in the embodiment of the present invention；
Fig. 6 is the axial sectional view on chassis, ring flange II and support tube II in the embodiment of the present invention；
Fig. 7 is the circumferential sectional view on chassis, ring flange II and support tube II in the embodiment of the present invention；
Fig. 8 is the axial sectional view of anchor disk in the embodiment of the present invention；
Fig. 9 is the circumferential sectional view of anchor disk in the embodiment of the present invention.
In figure：001- anchorage cable stretching devices；101- anchor cables；The existing anchor disks of 102-；The existing intermediate plates of 103-；Connection among 110-
Cylinder；120- holding force connectors；122- fixing grooves；123- anchor cable slots；The first cylinders of 124-；The second cylinders of 125-；130- holding force sticks
Ⅰ；140- ring flanges I；141- support tubes I；142- peep holes；150- anchor disks；151- anchoring screw threads hole；160- anchor cable dynamometry
Meter；170- holding forces stick II；180- chassis；181- support tubes II；182- ring flanges II；183- is open；190- annular jack；
200- pressing plates；210- extends connector；220- positioning columns；230- positioning sleeves；240- holding force nuts.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention 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 implementation being usually described and illustrated herein in the accompanying drawings
The component of example can configure to arrange and design with a variety of.
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, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the description of the present invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instructions such as " level ", " interior ", " outer " are based on orientation shown in the drawings or position relationship or are somebody's turn to do
Invention product using when the orientation usually put or position relationship, be for only for ease of the description present invention and simplify description, without
It is instruction or implies that signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore not
It is understood that as limitation of the present invention.In addition, term " first ", " second ", " the 3rd " etc. are only used for distinguishing description, and cannot manage
It solves to indicate or imply relative importance.
In addition, the terms such as term " level ", " vertical ", " pendency " are not offered as requiring component abswolute level or pendency, and
It is that can be slightly tilted.It is not to represent the structure if " level " only refers to that its direction is more horizontal with respect to for " vertical "
It has to fully horizontally, but can be slightly tilted.
In the description of the present invention, it is also necessary to explanation, unless otherwise clearly defined and limited, term " setting ",
" installation ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or one
It connects body；Can be mechanical connection or electrical connection；It can be directly connected, it can also be indirect by intermediary
It is connected, can is the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it " under "
It can be contacted directly including the first and second features, it is not to contact directly but pass through it that can also include the first and second features
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " top " and " above " to include first special
Sign is directly over second feature and oblique upper or is merely representative of fisrt feature level height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include fisrt feature immediately below second feature and obliquely downward or be merely representative of
Fisrt feature level height is less than second feature.
Embodiment 1
It refer to shown in Fig. 1, the present embodiment provides a kind of intermediate linking anchorage cable stretching device 001, for passing through both
The anchor cable 101 for having anchor disk 102 carries out two times tensioning, including intermediate connecting cylinder 110, holding force connector 120 and holding force stick I 130,
Threaded one end of the both ends of intermediate connecting cylinder 110 respectively with existing anchor disk 102 and holding force connector 120 is connected, holding force connector
120 one end away from existing anchor disk 102 are equipped with to connect the fixing groove 122 of holding force stick I 130.Specifically, in the present embodiment,
Existing anchor disk 102 offers the through hole passed through for anchor cable 101, and existing intermediate plate 103 is equipped between existing anchor disk 102 and anchor cable 101,
In one end insertion through hole of existing intermediate plate 103, the other end extend into intermediate connecting cylinder 110 and is located at existing anchor disk 102 and holds
Between power connector 120, the outer wall of existing anchor disk 102 and one end outer wall of holding force connector 120 pass through screw thread and centre respectively
The both ends inner wall connection of connecting cylinder 110, holding force stick I 130 and fixing groove 122 are connected through a screw thread.
Intermediate linking anchorage cable stretching device 001 provided by the invention be capable of fast and stable anchor cable 101 is carried out it is secondary
Tensioning operation.After using existing anchor disk 102 and existing intermediate plate 103 fixes anchor cable 101, when needing to carry out two to anchor cable 101
During secondary tensioning operation, holding force stick I 130 is connected with existing anchor disk 102 using intermediate connecting cylinder 110 and holding force connector 120,
One end of intermediate connecting cylinder 110 is sheathed on existing anchor disk 102 and is threadably secured first, is made through existing anchor disk 102
Anchor cable 101 enter in intermediate connecting cylinder 110, then to plugging holding force connector 120 in the other end of intermediate connecting cylinder 110
It is threadably secured, by what is opened up on the one end of one end of holding force stick I 130 and holding force connector 120 away from intermediate connecting cylinder 110
Fixing groove 122 is connected through a screw thread；User can pull out holding force stick I 130 and drive holding force connector 120, intermediate connection
Cylinder 110 and existing anchor disk 102 move, and make further to be embedded in anchor cable 101 and existing anchor disk 102 under existing 103 stress deformation of intermediate plate
Between, and tensioning is carried out to anchor cable 101 and is fixed.
One end that holding force connector 120 closes on existing anchor disk 102 offers to accommodate the anchor cable slot 123 of anchor cable 101.
When user is linked together existing anchor disk 102 and holding force connector 120 by intermediate connecting cylinder 110, anchor cable 101 can enter
In the anchor cable slot 123 set to holding force connector 120, therefore the end wall of holding force connector 120 can squeeze and stretch out the existing of through hole
Intermediate plate 103 makes existing 103 deformation of intermediate plate be embedded into through hole；Anchor cable slot 123 is preferably annular groove, can accommodate multiple anchor cables
101 and existing intermediate plate 103 of multiple flexible fastenings between anchor cable 101 and existing anchor disk 102 is squeezed, so as to anchor cable
101 progress tensioning are fixed.
It refer to shown in Fig. 2 and Fig. 3, holding force connector 120 is by coaxially arranged the first cylinder 124 and the second cylinder 125
Composition, the diameter of the first cylinder 124 are more than the second cylinder 125, and end face of first cylinder 124 away from the second cylinder 125 is equipped with anchor
Rope slot 123, end face of second cylinder 125 away from the first cylinder 124 are equipped with fixing groove 122.Holding force connector 120 is by coaxially arranged
The first cylinder 124 and the second cylinder 125 forms and the diameter of the first cylinder 124 is more than the second cylinder 125, in user to remote
The axial tension that existing anchor disk 102 is stablized can be given when pulling holding force stick I 130 from existing 102 direction of anchor disk, so that anchor cable
The 101 axial stretching forces stablized carry out anchor cable reinforcement operation.
It refer to shown in Fig. 4 and Fig. 5, intermediate linking anchorage cable stretching device 001, which further includes, to be sheathed on holding force stick I 130
Ring flange I 140, ring flange I 140 is connected with the support tube I 141 being sheathed on holding force connector 120.It is sheathed on by setting
Ring flange I 140 on holding force stick I 130 and the support tube I 141 being sheathed on holding force connector 120, can improve stretch-draw anchor
Stability when 101, convenient for users to applying stable axial tension to anchor cable 101, user can be in fixed flange I
140 and the holding force of the stretching vertically stick I 130 stablized of support tube I 141 whiles.It is offered at least on the side wall of support tube I 141
One peep hole 142 offers a peep hole 142 in the present embodiment on the side wall of support tube I 141, and user can pass through
Peep hole 142 checks the stretched condition of anchor cable 101, is user-friendly for adjusting.
It refer to shown in Fig. 8 and Fig. 9, the anchor disk 150 that can be moved along its axis be arranged on holding force stick I 130.User
Ring flange I 140 and support tube I 141 can be squeezed along the axial movement of holding force stick I 130 by adjusting anchor disk 150, so as to
I 130 axial tensile force of holding force stick is given to be stretched to anchor cable 101, and holding force stick I 130 can be fixed, anchor cable 101 is avoided to receive
Contracting drives holding force stick I 130 to bounce back.Anchor disk 150 in the present embodiment is connected by screw thread with the outer wall of holding force stick I 130, and anchor
The outer circle wall of price fixing 150 is equipped with eight anchoring screw thread holes 151 circumferentially, and anchoring screw thread hole 151 can facilitate work
Personnel's insertion operation bar controls axial movement of the anchor disk 150 along holding force stick I 130.
Anchor dynamometer 160 is also arranged on holding force stick I 130, anchor dynamometer 160 is located at anchor disk 150 and ring flange I
Between 140.The anchor dynamometer 160 being arranged between anchor disk 150 and ring flange I 140 can be convenient for users to checking holding force
The axial tension that stick I 130 is subject to, convenient for users to adjusting the stretching force size to control to anchor cable 101, in anchor dynamometer
The gasket of circular ring shape is additionally provided between 160 and anchor disk 150 to be protected to anchor dynamometer 160.
It refer to shown in Fig. 6 and Fig. 7, the one end of holding force stick I 130 away from holding force connector 120 is connected with coaxially arranged
Holding force stick II 170 is arranged with chassis 180 on holding force stick II 170, and chassis 180 is connected with support tube II 181, and support tube II 181 is remote
One end from chassis 180 is connected with ring flange II 182, and ring flange I 140 and ring flange II 182 are detachably connected.The present embodiment
In, holding force stick I 130 and holding force stick II 170 are connected by extending connector 210, and the both ends for extending connector 210 are respectively equipped with together
The threaded hole of axis arrangement, holding force stick I 130 and holding force stick II 170 pass through screw thread with extending the threaded hole at 210 both ends of connector respectively
Connection.Chassis 180 by setting with the coaxially connected holding force stick II 170 of holding force stick I 130 and for compressing holding force stick II 170
With support tube II 181, convenient for users to applying axial stretching force to anchor cable 101 user can be ensured to holding force stick II 170
It is enterprising that the axial stretching force of application can be transferred to anchor cable 101 by coaxially arranged holding force stick I 130 and holding force connector 120
Row two times tensioning operation.In addition, one end end face of the ring flange I 140 away from support tube I 141 is equipped with boss, ring flange II 182 is remote
One end end face from support tube II 181 is equipped with groove corresponding with boss, and I 140 He of ring flange is being bolted in user
During ring flange II 182, boss and groove can be treated as and be clamped ring flange I 140 and ring flange II 182, so as to ensure that the two is same
Axis connection ensures that the holding force stick I 130 being sheathed on ring flange I 140 and the holding force stick II 170 being sheathed on ring flange II 182 are same
Axis connection is to transfer stable axial stretching force.
The positioning column 220 of annular is also arranged on anchor dynamometer 160, the inner wall of positioning column 220 compresses anchor dynamometer
160 outer wall, the outer wall of positioning column 220 compress the inner wall of support tube II 181.By in anchor dynamometer 160 and support tube II
Positioning column 220 between 181 is set, can ensure that anchor dynamometer 160 and holding force stick I 130 are coaxially arranged, it is ensured that anchor dynamometer
The 160 axial stretching forces that accurately detection holding force stick I 130 is subject to.
The side wall of support tube II 181 is provided at least one opening 183.The side wall of support tube II 181 is set in the present embodiment
Two openings 183 being arranged symmetrically are equipped with, locking can be fixed to anchor disk 150 by opening 183 in user, ensure
Anchor disk 150 is fixed after the completion of two times tensioning operation, anchor cable 101 is avoided to shrink.
Annular jack 190 and pressing plate 200 are also arranged on holding force stick II 170, annular jack 190 is located at chassis 180
Between pressing plate 200.In the present embodiment, positioning sleeve 230 and holding force nut 240, positioning sleeve are also arranged on holding force stick II 170
230 are located between holding force stick II 170 and annular jack 190, and pressing plate 200 is between positioning sleeve 230 and holding force nut 240.
After user can use the position of 240 fixation clip 200 of holding force nut, using annular jack 190 to chassis 180 and pressing plate
200 carry out tensioning, so as to apply stretching force to holding force stick II 170 and stretching force is sequentially delivered to holding force stick I 130, holding force company
Device 120 and anchor cable 101 are connect, to apply stable axial stretching force to anchor cable 101.The present invention also provides a kind of secondary of anchor cables
Drawing device, including above-mentioned intermediate linking anchorage cable stretching device 001.
An embodiment of the present invention provides a kind of two times tensioning methods of anchor cable, are the anchor cables provided using above-described embodiment
Two times tensioning device for carrying out two times tensioning to the anchor cable 101 for passing through existing anchor disk 102, comprises the following steps：
S1, holding force connector 120, the holding force stick I 130 being connected with holding force connector 120 are provided and for connecting existing anchor
The intermediate connecting cylinder 110 of disk 102 and holding force connector 120；
S2, both ends of the one end of existing anchor disk 102 and holding force connector 120 respectively with intermediate connecting cylinder 110 are passed through into spiral shell
Line connects, and one end that existing intermediate plate 103 stretches out existing anchor disk 102 is made to be located at the interior and existing anchor disk 102 of intermediate connecting cylinder 110 with holding
Between power connector 120.
S3, holding force stick I 130 and holding force connector 120 are passed through away from the fixing groove 122 that existing 102 one end of anchor disk is set
It is threadedly coupled, tensioning is carried out to holding force stick I 130.Preferably, holding force connector 120 makes existing anchor disk 102 and holding force stick I 130 same
Axis connection；Tensioning wherein is carried out to holding force stick I 130, annular jack 190 and pressing plate 200 are preferably sheathed on holding force stick I 130
On, make annular jack 190 between holding force connector 120 and pressing plate 200, then use 240 fixation clip of holding force nut
200 position, and be passed through hydraulic oil into annular jack 190 and carry out two times tensioning.
In order to ensure two times tensioning operation it is steady carry out and avoid two times tensioning operation after anchor cable 101 shrink, can be with
Comprise the following steps：
S4, before carrying out tensioning to holding force stick I 130, support tube I 141 is arranged on holding force connector 120, and in holding force
The ring flange I 140 being connected with support tube I 141 is arranged on stick I 130, anchor dynamometer 160 and can is arranged on holding force stick I 130
The anchor disk 150 moved axially along holding force stick I 130, anchor dynamometer 160 is between ring flange I 140 and anchor disk 150.
S5, it is connected by holding force stick I 130 and with holding force stick II 170, is arranged on holding force stick I 130 and is connected with ring flange I 140
Ring flange II 182, the chassis 180 being connected with ring flange II 182 by support tube II 181 is arranged on holding force stick II 170, with
Tensioning is carried out to holding force stick II 170 afterwards；Preferably, holding force stick I 130 and coaxially connected with holding force stick II 170.Further preferably
, positioning column 220 is arranged between anchor dynamometer 160 and support tube II 181.Wherein, tensioning is carried out to holding force stick II 170
Method is：Annular jack 190 and pressing plate 200 are arranged on holding force stick II 170, then uses 240 fixation clip of holding force nut
200 position, and be passed through hydraulic oil into annular jack 190 and carry out two times tensioning.
The two times tensioning method of anchor cable provided by the invention can fast and stable efficiently carry out anchor cable two times tensioning make
Industry is using holding force connector 120 that existing anchor disk 102 and holding force stick I 130 is coaxially connected, then using annular jack
190 pairs of holding force sticks I 130 carry out tensioning operation, can not only carry out two times tensioning under conditions of 101 length of anchor cable is shorter, and
And can be transferred to what the axial stretching force that holding force stick I 130 is subject to was stablized at anchor cable 101, ensure the steady of two times tensioning operation
It is fixed to carry out；In addition coaxially arranged ring flange I 140 and support tube I 141 are arranged on holding force stick I 130, is carrying out two times tensioning
During operation, the both ends of support tube I 141 compress working face and mounting flange I 140 respectively, can effectively improve two times tensioning
The tension stability of operation is arranged anchor dynamometer 160 and the anchor that can be moved axially along holding force stick I 130 on holding force stick I 130
Price fixing 150, for anchor dynamometer 160 between ring flange I 140 and anchor disk 150, anchor dynamometer 160 can be easy to use
Person intuitively observes the stretching force size of two times tensioning, and anchor disk 150 can be fixed the position of holding force stick I 130, avoid
Anchor cable 101 is subject to the internal stress of rock stratum to shrink after two times tensioning operation；Finally by holding force stick I 130 with holding force stick II 170 is coaxial connects
It connects, the ring flange II 182 being connected with ring flange I 140 is arranged on holding force stick I 130, be arranged on holding force stick II 170 and flange
Holding force stick II 170 is then opened using annular jack 190 in the chassis 180 that disk II 182 is connected by support tube II 181
Draw, can further improve to anchor cable 101 apply stretching force axial stability, ensure two times tensioning operation stabilization into
Row.
After the completion of two times tensioning operation, user can by holding force nut 240, pressing plate 200, annular jack 190 according to
It is secondary to remove, by holding force stick II 170 and holding force stick I after then chassis 180, support tube II 181, ring flange II 182 are dismantled successively
Space is saved in 130 separation, only retains holding force connector 120, holding force stick I 130, ring flange I 140, support tube I 141, anchor disk
150th, anchor cable 101 is fixed in anchor dynamometer 160 is subject to rock stratum internal stress after-contraction to avoid anchor cable 101.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of intermediate linking anchorage cable stretching device, for carrying out two times tensioning, feature to the anchor cable for passing through existing anchor disk
Be, including intermediate connecting cylinder, holding force connector and holding force stick I, the both ends of the intermediate connecting cylinder respectively with it is described existing
Anchor disk is connected with the threaded one end of the holding force connector, and the one end of the holding force connector away from the existing anchor disk, which is equipped with, to be used
In the fixing groove for connecting the holding force stick I.
2. intermediate linking anchorage cable stretching device according to claim 1, which is characterized in that the holding force connector closes on
One end of the existing anchor disk is equipped with to accommodate the anchor cable slot of the anchor cable.
3. intermediate linking anchorage cable stretching device according to claim 2, which is characterized in that the holding force connector is by same
First cylinder of axis arrangement and the second cylinder composition, the diameter of first cylinder are more than second cylinder, first column
End face of the body away from second cylinder is equipped with the anchor cable slot, and end face of second cylinder away from first cylinder is equipped with
The fixing groove.
4. intermediate linking anchorage cable stretching device according to claim 1, which is characterized in that further include and be sheathed on described hold
Ring flange I on power stick I, the ring flange I are connected with the support tube I being sheathed on the holding force connector.
5. intermediate linking anchorage cable stretching device according to claim 4, which is characterized in that be arranged on the holding force stick I
There is the anchor disk that can be moved along its axis.
6. intermediate linking anchorage cable stretching device according to claim 5, which is characterized in that also covered on the holding force stick I
Equipped with anchor dynamometer, the anchor dynamometer is between the anchor disk and the ring flange I.
7. intermediate linking anchorage cable stretching device according to claim 6, which is characterized in that the holding force stick I is away from institute
The one end for stating holding force connector is connected with coaxially arranged holding force stick II, and chassis, the chassis are arranged on the holding force stick II
Support tube II is connected with, the described one end of support tube II away from the chassis is connected with the ring flange being connected with the ring flange I
Ⅱ。
8. intermediate linking anchorage cable stretching device according to claim 7, which is characterized in that the side wall of the support tube II
It is provided at least one opening.
9. intermediate linking anchorage cable stretching device according to claim 7, which is characterized in that also covered on the holding force stick II
Equipped with annular jack and pressing plate, the annular jack is between the chassis and the pressing plate.
10. a kind of anchor cable two times tensioning device, which is characterized in that it is included among as claimed in any one of claims 1-9 wherein
Linking anchorage cable stretching device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711439551.8A CN108104120A (en) | 2017-12-27 | 2017-12-27 | Intermediate linking anchorage cable stretching device and anchor cable two times tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711439551.8A CN108104120A (en) | 2017-12-27 | 2017-12-27 | Intermediate linking anchorage cable stretching device and anchor cable two times tensioning device |
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| Publication Number | Publication Date |
|---|---|
| CN108104120A true CN108104120A (en) | 2018-06-01 |
Family
ID=62211806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711439551.8A Pending CN108104120A (en) | 2017-12-27 | 2017-12-27 | Intermediate linking anchorage cable stretching device and anchor cable two times tensioning device |
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| CN (1) | CN108104120A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110644366A (en) * | 2019-09-06 | 2020-01-03 | 中铁大桥(郑州)缆索有限公司 | Stay cable tensioning device for narrow anchoring space and operation method thereof |
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|---|---|---|---|---|
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