CN106498856A - A kind of engineering tensioning system of two halves formula with thread - Google Patents
A kind of engineering tensioning system of two halves formula with thread Download PDFInfo
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- CN106498856A CN106498856A CN201611067485.1A CN201611067485A CN106498856A CN 106498856 A CN106498856 A CN 106498856A CN 201611067485 A CN201611067485 A CN 201611067485A CN 106498856 A CN106498856 A CN 106498856A
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- tensioning
- nut
- shoulder pole
- thread
- pole girder
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D11/00—Suspension or cable-stayed bridges
- E01D11/02—Suspension bridges
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- 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
- E04G21/121—Construction of stressing jacks
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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
A kind of engineering tensioning system of two halves formula with thread, tension rod and the anchor ear on regulating sleeve including the upper part counterforce device being made up of upper tensioning nut, jack, tensioning spike and upper tensioning shoulder pole girder, the lower part counterforce device being made up of lower tensioning shoulder pole girder, lower tensioning nut and connection upper and lower part counterforce device；Upper and lower tensioning shoulder pole girder is respectively two halves formula, can fit and separate, and to through an anchor hole is provided with the middle of horizontal vertical, anchor hole is mated every shoulder pole girder with the works for needing tensioning, and anchor hole or band thread install Harvard nut screw connection use without thread；Under working condition, reduce the interval S between the upper and lower part counterforce device on the connection rod sleeve anchor system with thread by the tensioning of jack, so as to reach the purpose of tensioning.The tensioning system provides effective retroaction force for the stretching mode of the connection rod sleeve anchor system with thread, solves the problems, such as which cannot stretching construction.
Description
Technical field
The present invention relates to a kind of engineering tensioning system, is applicable not only to suspension bridge suspender tension, be also applied for all of
The tensioning engineering system that its presstressed reinforcing steel or hoist cable cable body can be rotated, moved and be stretched is required in work progress.
Background technology
In recent years, constantly bringing forth new ideas with prestressed structure anchor type, in suspension bridge suspender tension, and other are being applied
Require during work that presstressed reinforcing steel or hoist cable cable body can be rotated on a large scale, be moved and flexible tensioning engineering system
In, people devise a kind of new anchorage style very novel, attractive in appearance, anchorage style pressure-bearing type anchor different from the past
Gu, it is by connecting rod of the two ends with thread, the middle connecting rod-set with thread that the sleeve with thread is constituted using
Cylinder anchor system, reaches the purpose of anchoring by the knob of sleeve；But such connecting rod with thread-sleeve anchor system exists
As effective counter-force point cannot be found in work progress, cause stretching construction extremely difficult.
Content of the invention
It is an object of the invention to：A kind of engineering tensioning system of two halves formula with thread is provided, the tensioning system is adapted to
By connecting rod of the two ends with thread, the middle connecting rod with thread that the sleeve with thread is constituted using-sleeve anchoring
System, reaches the stretching mode of the anchor system of anchoring by the knob of sleeve；To solve such band thread in prior art
Connecting rod-sleeve anchor system in as effective retroaction force cannot be provided, lead to not the problem of stretching construction.
The technical scheme for solving the above problems is：A kind of engineering tensioning system of two halves formula with thread, it is characterised in that：
Engineering tensioning system of the two halves formula with thread includes part counterforce device, lower part counterforce device and connection top
Divide the tension rod and the anchor ear on regulating sleeve of counterforce device and lower part counterforce device, the upper part counterforce device
Including upper tensioning nut, jack, tensioning spike and upper tensioning shoulder pole girder, lower part counterforce device include lower tensioning shoulder pole girder,
Lower tensioning nut and anchoring temporarily backing plate II；
Upper tensioning shoulder pole girder, lower tensioning shoulder pole girder are respectively two halves formula, can fit and separate, and every shoulder pole girder is in the middle of horizontal vertical
To through an anchor hole is provided with, anchor hole is mated with the works for needing tensioning, in anchor hole or with thread or without thread
Harvard nut screw connection is installed to use；Corresponding in the both sides of the most middle anchor hole of upper tensioning shoulder pole girder, lower tensioning shoulder pole girder
Position is provided with two tensioning holes；
Anchor hole, tensioning hole site on the upper tensioning shoulder pole girder, lower tensioning shoulder pole girder is corresponding；
The tension rod has two, extends through the tensioning of respective opposite position on tensioning shoulder pole girder, lower tensioning shoulder pole girder
Hole and jack, tensioning spike and lower tensioning nut；Tension rod is from threaded push-and-pull rod；Tensioning nut and tension rod
Screw thread mates, and tensioning nut is screwed on tension rod；
Under working condition, the top on the connecting rod with thread-sleeve anchor system is made by the tensioning of jack
The interval S that divides between counterforce device, lower part counterforce device reduces, so as to reach the purpose of tensioning.
Its further technical scheme is：The upper tensioning shoulder pole girder, lower tensioning shoulder pole girder can be dismantled respectively or be installed, upper
Tensioning shoulder pole girder or lower tensioning shoulder pole girder is laterally opposed answers position to be provided with the removal hole for running through, places stud pair, by adjusting in hole
Section stud is secondary to be separated or is adjacent to tensioning shoulder pole girder or lower tensioning shoulder pole girder.
The upper tensioning nut or the lower screw thread of stretch-draw anchor nut are matched with the screw thread of tension rod；Upper tensioning nut with
Lower tensioning nut plays a part of mutually to anchor counteracting force.
Described tensioning spike is welded by upper and lower top board and three or more than three push-and-pull rods are parallel；Two pieces
Steel plate centre position is provided with through hole, I size of through hole on upper plate with can be defined by tension rod, and the through hole II on lower roof plate
Size is defined by placing tensioning anchoring temporarily nut, anchoring temporarily backing plate I.
Anchor hole on the upper tensioning shoulder pole girder, lower tensioning shoulder pole girder is the anchor hole without thread；By with Harvard
Nut assembly is used cooperatively and is connected with tension structure thing is needed；The not nut assembly of breathing out includes breathing out not nut body, spacing dress
Put and clamp device, not nut body is two halves formula for the Kazakhstan, will by stopping means and clamp device and interior hexagonal screw rod
Two halves are breathed out not nut body dismounting or are fastened；Breathe out not nut body to carry internal screw thread, both sides and have screw, its internal screw thread with need
The thread of pull-up structure thing matches.
The anchor ear on regulating sleeve is two halves formula, by otic placode and the perforate of otic placode centre position of anchor ear
Two parts connection is fastened by the fishbolt of placement so as to which stable embraces outside regulating sleeve, adopts round steel when sleeve applies stubborn
Serve as boosting-rod in the thick walled steel tube of the upper and lower welding of insertion anchor ear, sleeve is smoothly installed with upper and lower connecting rod.
Its further technical scheme is：The upper part counterforce device of the tensioning system also includes 2 tensioning anchoring temporarilies
Nut and anchoring temporarily backing plate I, the tensioning anchoring temporarily nut and anchoring temporarily backing plate I are above upper tensioning shoulder pole girder
In the through hole II of tensioning spike lower roof plate, the tensioning anchoring temporarily nut is matched with the screw thread of tension rod, and its effect is thousand
In the case that jin top tentioning stroke is limited, tensioning structure be when temporarily cannot connect anchoring, play anchoring temporarily effect；Installing
Before tensioning anchoring temporarily nut and anchoring temporarily backing plate I, first upper tensioning nut be relaxed, tensioning anchoring temporarily nut is with
Tensioning nut plays a part of mutually to anchor counter-force.
There is following beneficial effect due to taking a kind of engineering tensioning system of two halves formula with thread of said structure, the present invention
Really：
Due to adopting said structure, the tensioning system of the two halves formula with thread of the present invention to have the characteristics that
Beneficial effect：
1st, the tensioning system of the two halves formula with thread of the present invention is using a band spiral shell by connecting rod of the two ends with thread, centre
The sleeve of tooth, the stretching mode for reaching the anchor system of anchoring by the knob of sleeve provide effective retroaction force,
Solve the problems, such as which cannot stretching construction；Secondly, the tensioning system of the two halves formula with thread of the present invention adopts upper part counter-force
Device, the two halves formula connection of lower part counterforce device, can install at any time and dismantle, easy for installation, quick, safe, Er Qieke
To facilitate recycling.
2nd, install after the two halves tensioning system of the formula with thread of the present invention by the pressure of jack so that two ends band spiral shell
The axle center of the connecting rod of tooth and branch sleeve contributes to the connection of regulating sleeve on same straight line, even if having slight inclined
Difference, it is also possible to move it to, on same straight line, without manual setting, to accelerate by the adjustment of two jack pressures
Construction speed, improves construction quality.
3rd, due to the thread of the connected bar of the thread of the upper and lower shoulder pole girder of the tensioning system of the two halves formula with thread of the present invention
It is pairing, thread therefore in stretching process, will not be damaged, contributes to the protection of construction finished product.
4th, the tensioning system of the two halves formula with thread of the present invention using upper part counterforce device, the two of lower part counterforce device
Half formula connects, and can install at any time and dismantle, easy for installation, quick, safe, and conveniently can reuse.
5th, it is provided between the upper tensioning shoulder pole girder of the tensioning system of the two halves formula with thread of the present invention, lower tensioning shoulder pole girder
Harvard nut 7, in case when shoulder pole girder thread and connecting rod thread are not inconsistent, can be being adjusted, unlikely by breathing out not nut
In shoulder pole girder is re-worked, contribute to reducing construction cost.
, applied widely：The upper part counterforce device of the tensioning system of the two halves formula with thread of the present invention also includes 2
Anchoring temporarily nut and anchoring temporarily backing plate I, the tensioning anchoring temporarily nut and anchoring temporarily backing plate I is drawn to be arranged on upper tensioning
In through hole II above shoulder pole girder on the lower roof plate of tensioning spike, the screw thread phase of the tensioning anchoring temporarily nut and tension rod
Match somebody with somebody, its act on be in the case where jack tension stroke is limited, tensioning structure be when temporarily cannot connect anchoring, play interim
Anchorage effect；Before tensioning anchoring temporarily nut and anchoring temporarily backing plate I are installed, first upper tensioning nut be relaxed, tensioning
Anchoring temporarily nut plays a part of mutually to anchor counter-force with lower tensioning nut；Easy to operate, applied widely.
Below, the technical characteristic in conjunction with accompanying drawing and embodiment to engineering tensioning system of the two halves formula of the present invention with thread
Further instruction.
Description of the drawings
One of the overall structure diagram of engineering tensioning system of the two halves formula of Fig. 1 present invention with thread（Tensioning is installed
Anchoring temporarily nut I and anchoring temporarily backing plate）；
Fig. 2～Fig. 3 is hooping structure schematic diagram：
Fig. 2 is front view, and Fig. 3 is the top view of Fig. 2；
Fig. 4-1～Fig. 4-2 is the shoulder pole girder structural representation with thread：
Fig. 4-1 is front view, and Fig. 4-2 is the top view of Fig. 4-1；
Fig. 5-1～Fig. 5-2 is the shoulder pole girder structural representation without thread：
Fig. 5-1 is front view, and Fig. 5-2 is the top view of Fig. 5-1；
Fig. 6-1～Fig. 6-5 is the Kazakhstan supporting with the shoulder pole girder without thread not nut assembly structural representation：
Fig. 6-1 is the not nut assembly overall structure diagram of the Kazakhstan with spacing, screwing structure,
Fig. 6-2 is to breathe out not nut body structural representation,
Fig. 6-3 is the top view of Fig. 6-2,
Fig. 6-4 is the spacing and clamp device schematic diagram for breathing out not nut,
Fig. 6-5 is the top view of Fig. 6-4；
Fig. 7 is tensioning shoulder pole girder or lower tensioning shoulder pole girder screw pair structural representation on lateral connection；
Fig. 8-1～Fig. 8-5 is tensioning spike structural representation：
Fig. 8-1 is front view, and Fig. 8-2 is the upper plate front view of tensioning spike,
Fig. 8-3 is the top view of Fig. 8-2；
Fig. 8-4 is the lower roof plate front view of tensioning spike,
Fig. 8-5 is the top view of Fig. 8-4.
Fig. 9 is the two of the overall structure diagram of engineering tensioning system of the two halves formula of the present invention with thread（Do not install and open
Draw anchoring temporarily nut I and anchoring temporarily backing plate）.
In figure：
Tensioning nut under 1a-upper tensioning nut, 1b- tensioning anchoring temporarily nuts, 1c-, 2- stretch-draw jacks, 3- tensioning are supportted
Foot, 31- upper plates, the through hole I on 311- upper plates, 32- lower roof plates, the through hole II on 321- lower roof plates, 41- anchoring temporarily pads
Plate I, 42- anchoring temporarilies backing plate II；
Tensioning shoulder pole girder under the upper tensioning shoulder pole girders of 51-, 52-, 501- anchor holes, anchor holes of the 5011- with thread, 5012- without
The anchor hole of thread, 502- tensioning hole；
6- tension rods, 7- Harvards nut assembly, 71- breathe out not nut body, and 7101- internal screw threads, 7102- screws, 72- are spacing and tight
It is fixedly mounted with and puts, hexagonal screw rod in 73-；
8- tensioning shoulder pole girder screw pairs, 9- anchor ears, 91- otic placodes, 91- thick walled steel tubes；10- sleeves, 11- upper connecting rods, under 12-
Connecting rod.
Specific embodiment
A kind of engineering tensioning system of two halves formula with thread,
As shown in figure 1, engineering tensioning system of the two halves formula with thread includes part counterforce device, lower part counter-force dress
The tension rod 6 and the anchor ear 9 on regulating sleeve 10 of upper part counterforce device and lower part counterforce device is put and connects,
The upper part counterforce device includes tensioning nut 1a, jack 2, tensioning spike 3, tensioning anchoring temporarily nut 1b, interim
Anchoring backing plate I 41 and upper tensioning shoulder pole girder 51, lower part counterforce device include lower tensioning shoulder pole girder 52, lower tensioning nut 1c and face
When anchor backing plate II 42；
Upper tensioning shoulder pole girder 51, lower tensioning shoulder pole girder 52 are respectively two halves formula, can fit and separate, and every shoulder pole girder is in horizontal vertical
Middle to through being provided with an anchor hole 501（Referring to Fig. 4-1～Fig. 5-2）, anchor hole mated with the works for needing tensioning, is anchored
Band thread or 7 Fig. 6 of Harvard nut is installed in hole or without thread uses cooperatively；In upper tensioning shoulder pole girder 51, lower tensioning shoulder pole
Two tensioning holes 502 are also opened in the position that the both sides of the most middle anchor hole 501 of beam 52 is corresponding, and the diameter in tensioning hole only needs to mate
By push-and-pull rod, the size in tensioning hole adapts to tension rod, and tensioning hole can be circle, alternatively square in the middle of the semicircle of diagram two ends
Shape.
Anchor hole 501,502 position of tensioning hole on the upper tensioning shoulder pole girder 51, lower tensioning shoulder pole girder 52 is corresponding.
The tension rod 6 has two, extends through tensioning shoulder pole girder 51, the respective corresponding position of lower tensioning shoulder pole girder 52
The tensioning hole that puts and jack, tensioning spike, upper tensioning nut, anchoring temporarily nut, lower tensioning nut；Tension rod 6 is certainly
Threaded push-and-pull rod；Tensioning nut 1a is mated with tension rod screw thread, and tensioning nut can be screwed on tension rod, during tensioning
Power can be ultimately conducted on tensioning nut；
Upper tensioning nut plays a part of mutually to anchor counteracting force with lower tensioning nut；The tensioning anchoring temporarily nut and face
When anchor backing plate I 41 effect be in the case where jack tension stroke is limited, tensioning structure cannot temporarily connect anchoring
When, upper tensioning nut is relaxed, play a part of anchor tension tool；Interim tensioning nut and lower tensioning nut shared anchor
Solid active force；After jack oil return resets, upper tensioning nut and jack are tightened, tensioning can be continued；
Under working condition, the top on the connecting rod with thread-sleeve anchor system is made by the tensioning of jack
The interval S that divides between counterforce device, lower part counterforce device reduces, so as to reach the purpose of tensioning.
As shown in Fig. 4-1～Fig. 4-2, Fig. 5-1～Fig. 5-2, the upper tensioning shoulder pole girder 51, lower tensioning shoulder pole girder 52 are distinguished
Can dismantle or install, position is answered through being provided with removal hole upper tensioning shoulder pole girder 51 or lower tensioning shoulder pole girder 52 are laterally opposed
503, stud pair 8 is placed in hole, can separate or be adjacent to upper tensioning shoulder pole girder 51 or lower tensioning shoulder pole girder by regulation stud pair 8
52.
As shown in Fig. 8-1～Fig. 8-5, described tensioning spike 3 is parallel by upper and lower top board and more than 3 push-and-pull rods
It is welded；Two pieces of steel plate centre positions are provided with through hole, and the size of the through hole I 311 on upper plate 31 is by tension rod being
Standard, and II 321 size of through hole on lower roof plate 32 is defined by placing tensioning anchoring temporarily nut 1b, anchoring temporarily backing plate I 41.
The anchor ear 9 on regulating sleeve is two halves formula, is opened by the otic placode and otic placode centre position of anchor ear
Two parts connection is fastened by the fishbolt of hole placement so as to which stable embraces outside regulating sleeve 10, has installation to add on anchor ear 9
The thick walled steel tube 92 of power bar, inserted using round steel when sleeve 10 applies stubborn serve as in the thick walled steel tube 92 that anchor ear is welded about 9 plus
Power bar, makes sleeve 10 with upper and lower connecting rod 11,12 smooth installations.
According to the annexation between upper tensioning shoulder pole girder 51, the anchor hole of lower tensioning shoulder pole girder 52 and tension rod different with
And on upper tensioning shoulder pole girder 51, lower tensioning shoulder pole girder 52 tensioning hole shape different, the present invention has following different embodiment.
Embodiment one：
A kind of anchor hole engineering tensioning of the two halves formula with thread with thread on upper tensioning shoulder pole girder 51, lower tensioning shoulder pole girder 52
System.
As shown in figure 1, engineering tensioning system of the two halves formula with thread includes that part counterforce device, lower part are anti-
Power apparatus and the upper part counterforce device of connection and the tension rod 6 of lower part counterforce device and embracing on regulating sleeve 10
Hoop 9, the upper part counterforce device include tensioning nut 1a, jack 2, tensioning spike 3, tensioning anchoring temporarily nut 1b,
Anchoring temporarily backing plate I 41 and upper tensioning shoulder pole girder 51, lower part counterforce device include lower tensioning shoulder pole girder 52, lower tensioning nut 1c
With anchoring temporarily backing plate II 42；
As shown in Fig. 4-1～Fig. 4-2, the upper tensioning shoulder pole girder 51 of engineering tensioning system of the two halves formula with thread, lower tensioning
Anchor hole on shoulder pole girder 52 is the anchor hole 501 with thread；Upper connecting rod 11, the lower company of thread and the works for needing tensioning
Extension bar 12 coincide respectively；Two halves shoulder pole girder is linked to be entirety by high-strength bolt 8, upper tensioning shoulder pole girder 51, lower tensioning shoulder pole girder 52
On tensioning hole shape 502 be two ends semicircle intermediate rectangular, to increase the activity space of tension rod.
As one kind conversion of the embodiment of the present invention, the tensioning hole shape on upper tensioning shoulder pole girder 51, lower tensioning shoulder pole girder 52
Shape 502 can also be circle.
Embodiment two
A kind of anchor hole on upper tensioning shoulder pole girder 51, lower tensioning shoulder pole girder 52 is engineering of the two halves formula with thread without thread
Tensioning system.
As shown in figure 1, engineering tensioning system of the two halves formula with thread includes that part counterforce device, lower part are anti-
Power apparatus and the upper part counterforce device of connection and the tension rod 6 of lower part counterforce device and embracing on regulating sleeve 10
Hoop 9, the upper part counterforce device include tensioning nut 1a, jack 2, tensioning spike 3, tensioning anchoring temporarily nut 1b,
Anchoring temporarily backing plate I 41 and upper tensioning shoulder pole girder 51, lower part counterforce device include lower tensioning shoulder pole girder 52, lower tensioning nut 1c
With anchoring temporarily backing plate II 42；
As shown in Fig. 5-1～Fig. 5-2, the upper tensioning shoulder pole girder 51 of engineering tensioning system of the two halves formula with thread, lower tensioning
Anchor hole on shoulder pole girder 52 is the anchor hole 5012 without thread；By with Harvard nut assembly with the use of and need tensioning
Works connect；
As shown in Fig. 6-1～Fig. 6-5, the not nut assembly 7 of breathing out includes breathing out not nut body 71, spacing and clamp device 72,
The not nut body 71 of breathing out is two halves formula, and two halves are breathed out not nut by spacing and clamp device 72 and interior hexagonal screw rod 73
Body dismounting is fastened；Breathing out not nut body and carrying internal screw thread 7101, both sides has a screw 7102, breathes out not nut body and carries interior spiral shell
Tooth 7101 matches with the screw thread on the upper connecting rod 11 of tension structure thing, lower connecting rod 12 is needed；Two halves shoulder pole girder is by height
Strength bolt 8（Referring to Fig. 1, Fig. 7）It is linked to be entirety, the tensioning hole 502 on upper tensioning shoulder pole girder 51, lower tensioning shoulder pole girder 52 is two ends
Semicircle intermediate rectangular, to increase the activity space of tension rod.
According to construction demand, the Impact direction of upper and lower shoulder pole girder can be screwed to not nut rotation is breathed out, so that shoulder pole
The power that can be born is bigger, can flexibly change tensioning space.
As one kind conversion of the embodiment of the present invention, the tensioning hole shape on upper tensioning shoulder pole girder 51, lower tensioning shoulder pole girder 52
Shape 502 can also be circle.
As the effect of tensioning anchoring temporarily nut 1b and anchoring temporarily backing plate I 41 is limited in jack tension stroke
In the case of, tensioning structure be when temporarily cannot connect anchoring, play anchoring temporarily effect；Tensioning anchoring temporarily nut 1b is being installed
Before anchoring temporarily backing plate I 41, first upper tensioning nut be relaxed, the screw thread phase of tensioning anchoring temporarily nut 1b and tension rod
Coupling, and play a part of mutually to anchor counter-force with lower tensioning nut；Accordingly, as one kind conversion of various embodiments of the present invention,
When needing of tensioning structure connection anchoring be disclosure satisfy that when jack tension stroke has, it is also possible to without installing tensioning jury anchor
Gu nut 1b and anchoring temporarily backing plate I 41（Referring to accompanying drawing 9）Or by tensioning anchoring temporarily nut 1b loosen without.
Claims (7)
1. a kind of two halves formula carries the engineering tensioning system of thread, it is characterised in that：The two halves formula engineering with thread
Pull system includes the upper part counterforce device of part counterforce device, lower part counterforce device and connection and lower part counterforce device
Tension rod（6）Be arranged on regulating sleeve（10）On anchor ear（9）, the upper part counterforce device includes tensioning nut
（1a）, jack（2）, tensioning spike（3）With upper tensioning shoulder pole girder（51）, lower part counterforce device includes lower tensioning shoulder pole girder
（52）, lower tensioning nut（1c）With anchoring temporarily backing plate II（42）；
Upper tensioning shoulder pole girder（51）, lower tensioning shoulder pole girder（52）Respectively two halves formula, can fit and separate, and every shoulder pole girder is in water
To through being provided with an anchor hole in the middle of flat perpendicular（501）, anchor hole is mated with the works for needing tensioning, in anchor hole or with thread
Or Harvard nut is installed without thread（7）Use cooperatively；In upper tensioning shoulder pole girder（51）, lower tensioning shoulder pole girder（52）Most middle
Anchor hole（501）The corresponding position in both sides be provided with two tensioning holes（502）；
The upper tensioning shoulder pole girder（51）, lower tensioning shoulder pole girder（52）On anchor hole（501）, tensioning hole（502）Position is corresponding；
The tension rod（6）There are two, extend through tensioning shoulder pole girder（51）, lower tensioning shoulder pole girder（52）On each corresponding
The tensioning hole of position and jack, tensioning spike and lower tensioning nut；Tension rod（6）It is from threaded push-and-pull rod；?
Draw nut（1a）Mate with tension rod screw thread, tensioning nut is screwed on tension rod；
Under working condition, the top on the connecting rod with thread-sleeve anchor system is made by the tensioning of jack
The interval S that divides between counterforce device, lower part counterforce device reduces, so as to reach the purpose of tensioning.
2. a kind of two halves formula according to claim 1 carries the engineering tensioning system of thread, it is characterised in that：Described upper
Draw shoulder pole girder（51）, lower tensioning shoulder pole girder（52）Can dismantle respectively or install, in upper tensioning shoulder pole girder（51）Or lower tensioning shoulder pole
Beam（52）Laterally opposed position is answered to be provided with the removal hole for running through（503）, in hole, place stud pair（8）, by regulation stud pair（8）
Separate or be adjacent to tensioning shoulder pole girder（51）Or lower tensioning shoulder pole girder（52）.
3. a kind of two halves formula according to claim 1 carries the engineering tensioning system of thread, it is characterised in that：Described upper
Draw nut（1a）Or lower stretch-draw anchor nut（1c）Screw thread match with the screw thread of tension rod；Upper tensioning nut and lower tensioning spiral shell
Mother plays a part of mutually to anchor counteracting force.
4. a kind of two halves formula according to claim 1 carries the engineering tensioning system of thread, it is characterised in that：Described opens
Stay bolt foot（3）It is to be welded by upper and lower top board and three or more than three push-and-pull rods are parallel；Open in two pieces of steel plate centre positions
Have through hole, I size of through hole on upper plate with can be defined by tension rod, and II size of through hole on lower roof plate is can place
Draw anchoring temporarily nut（1b）, anchoring temporarily backing plate I（41）It is defined.
5. a kind of two halves formula according to claim 1 carries the engineering tensioning system of thread, it is characterised in that：Described upper
Draw shoulder pole girder（51）, lower tensioning shoulder pole girder（52）On anchor hole be anchor hole without thread（5012）；By with Harvard spiral shell
Female component with the use of be connected with tension structure thing is needed, the Kazakhstan not nut assembly（7）Including breathing out not nut body（71）, limit
Position device and clamp device（72）, described breathe out not nut body（71）For two halves formula, by stopping means and clamp device（72）
And interior hexagonal screw rod（73）Two halves are breathed out not nut body dismounting or is fastened；Breathe out not nut body and carry internal screw thread（7101）、
There is screw on both sides, and its internal screw thread is matched with the thread for needing tension structure thing.
6. a kind of two halves formula according to claim 1 carries the engineering tensioning system of thread, it is characterised in that：The installation
Anchor ear on regulating sleeve（9）For two halves formula, by the otic placode of anchor ear（91）And the folder that the perforate of otic placode centre position is placed
Two parts connection is fastened by tight bolt so as to which stable embraces in regulating sleeve（10）Outside, sleeve（10）Round steel is adopted when applying stubborn
The thick walled steel tube welded on insertion anchor ear 9（92）Inside serve as boosting-rod, make sleeve（10）With upper and lower connecting rod（11、12）Smoothly
Install.
7. a kind of two halves formula according to claim 1,2,4,5 or 6 carries the engineering tensioning system of thread, and its feature exists
In：The upper part counterforce device of the tensioning system also includes 2 tensioning anchoring temporarily nuts（1b）With anchoring temporarily backing plate I
（41）, the tensioning anchoring temporarily nut（1b）With anchoring temporarily backing plate I（41）It is arranged on upper tensioning shoulder pole girder（51）Top
Stay bolt foot（3）Lower roof plate on through hole II in, the tensioning anchoring temporarily nut and the screw thread of tension rod match, its effect is
In the case where jack tension stroke is limited, tensioning structure be when temporarily cannot connect anchoring, play anchoring temporarily effect；?
Tensioning anchoring temporarily nut is installed（1b）With anchoring temporarily backing plate I（41）Before, first upper tensioning nut be relaxed, tensioning is interim
Bolt-nut（1b）With lower tensioning nut（1c）Play a part of mutually to anchor counter-force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611067485.1A CN106498856B (en) | 2016-11-28 | 2016-11-28 | A kind of engineering tensioning system of the two halves formula with thread |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611067485.1A CN106498856B (en) | 2016-11-28 | 2016-11-28 | A kind of engineering tensioning system of the two halves formula with thread |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106498856A true CN106498856A (en) | 2017-03-15 |
| CN106498856B CN106498856B (en) | 2018-07-27 |
Family
ID=58328780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201611067485.1A Active CN106498856B (en) | 2016-11-28 | 2016-11-28 | A kind of engineering tensioning system of the two halves formula with thread |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107387140A (en) * | 2017-09-05 | 2017-11-24 | 湖南科技大学 | A kind of multi-cylinder anchor rod hydraulic tensioning equipment and anchor pole method for stretching |
| CN109295851A (en) * | 2018-11-14 | 2019-02-01 | 柳州欧维姆机械股份有限公司 | A kind of swingable formula anchor structure drag-line and its stretch-draw construction method |
| CN111206505A (en) * | 2019-12-18 | 2020-05-29 | 中铁四局集团有限公司 | Suspension rod installation and tensioning construction scheme of highway and railway dual-purpose bridge |
| CN112942684A (en) * | 2021-02-04 | 2021-06-11 | 北京工业大学 | Strip-type component tensioning and anchoring integrated device with multiple anchoring capabilities |
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| JP2001214534A (en) * | 2000-02-03 | 2001-08-10 | Oosaki Koki:Kk | Anchor structure and its work execution method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107387140A (en) * | 2017-09-05 | 2017-11-24 | 湖南科技大学 | A kind of multi-cylinder anchor rod hydraulic tensioning equipment and anchor pole method for stretching |
| CN109295851A (en) * | 2018-11-14 | 2019-02-01 | 柳州欧维姆机械股份有限公司 | A kind of swingable formula anchor structure drag-line and its stretch-draw construction method |
| CN109295851B (en) * | 2018-11-14 | 2023-09-08 | 柳州欧维姆机械股份有限公司 | Dragline with swingable anchoring structure and tensioning construction method thereof |
| CN111206505A (en) * | 2019-12-18 | 2020-05-29 | 中铁四局集团有限公司 | Suspension rod installation and tensioning construction scheme of highway and railway dual-purpose bridge |
| CN112942684A (en) * | 2021-02-04 | 2021-06-11 | 北京工业大学 | Strip-type component tensioning and anchoring integrated device with multiple anchoring capabilities |
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| Publication number | Publication date |
|---|---|
| CN106498856B (en) | 2018-07-27 |
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