CN209277018U - The mounting assembly fixed for carbon fiber board - Google Patents
The mounting assembly fixed for carbon fiber board Download PDFInfo
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- CN209277018U CN209277018U CN201821958662.XU CN201821958662U CN209277018U CN 209277018 U CN209277018 U CN 209277018U CN 201821958662 U CN201821958662 U CN 201821958662U CN 209277018 U CN209277018 U CN 209277018U
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- carbon fiber
- fiber board
- mounting assembly
- wedge
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Abstract
The utility model discloses a kind of mounting assemblies fixed for carbon fiber board, for solving the problems, such as there is pulling capacity between existing mounting assembly and bent cap, including component I, component II and wedge block, wherein, there is the slope surface and plane to form an angle on component I, the wedge groove being gradually obliquely installed backward is provided at plane, the component II includes flat part and inclined plate portion, wherein, the inclined plate portion is connect with the slope surface with merga pass bolt assembly, the flat part matches with the plane and merges to form wedge shape space, there is wedge block in wedge shape space, in component I, one is formed between component II and wedge block for clamping the channel of carbon fiber board.The utility model have sufficient self-locking performance, floatability and, by junction steel plate, so that forming a kind of closed-loop of closure between carbon fiber board, mounting assembly and connection steel part, a kind of prestressing force is formed between closed-loop, bent cap is reinforced, more preferably than traditional consolidation effect.
Description
Technical field
The utility model is related to Technology Bridge Strengthening field.
Background technique
According to Baidupedia: bridge strengthening exactly makes the bearing capacity of component or even total by certain measure
And its service performance is improved, to meet new requirement.Not being able to satisfy for namely being occurred for bridge continues to use
Situation handled.
Have that bridge durability difference and older aging, to design improper or construction quality poor etc. the reason of reinforcing.By bridge plus
Gu after, the service life of bridge can be extended, with a small amount of capital investment, bridge is made to be able to satisfy the demand of the volume of traffic, it can be with
The centrality for mitigating bridge investment, prevents and avoids the loss of personnel and property caused by bridge collapse.
Bent cap 000 is the crossbeam being arranged at the top of pile bent pier for bearing, distribution and the load for transmitting superstructure.Again
Claim cap beam.In bridge pier (platform) or the crossbeam of setting armored concrete or rare-reinforcement concrete on campshed.Its structure is more special,
Its two sides is usually provided with big transition chamfering 001, with reference to Fig. 1, is difficult laterally to be reinforced, and half is using carbon fiber board to lid
The bottom surface of beam is reinforced.Common reinforcement means is as follows:
1) carbon fiber board should select the small tow polyacrylonitrile-radical (PAN base fiber) no more than 12k (1k=1000), no
It obtains and uses big bunch fiber.
2) carbon cloth or glass fabric meet the main mechanical properties of material, should meet regulation, wherein material
The performance that tensile strength standard value, elasticity modulus, elongation, bending strength, fibrous composite and concrete are just cohering will expire
The requirement of sufficient standard.
3) adhesive, bridge strengthening adhesive are divided into A grades of glue and B grades of glue according to the significance level of institute's ruggedized construction；Its
Reinforcing of the middle A grades of glue for important feature or component, reinforcing of the B grades of glue for general structure or component.
Bridge bearing structure (component) is reinforced must with the safe performance indexes of dipping, the adhesive for pasting fibrous composite
Regulation must be met, unsaturated polyester resin, alkyd resin etc. must not be used as dipping, paste adhesive.
About Scheme of Strengthening, the scheme recorded in following patent document is representative:
A kind of bridge strengthening device, including bridge crossbeam are disclosed in Chinese utility model patent document CN106677077B,
Bridge
Crossbeam bottom is provided with lower plate, and bottom board ends are provided with bridge pier, and the bridge pier bottom passes through support pier and bottom
The fixed support of seat, is provided with skewed horizontal load plate between bridge pier and bridge crossbeam；Lower plate two sides are provided with cross-brace plate, described oblique
It is fixed on cross-brace plate to support plate one end by fixing piece, the other end of skewed horizontal load plate is connected by fixed plate and bridge pier
It connecing, the bottom of lower plate is provided with several vertical supporting framves and fixed frame, and each fixed frame bottom is provided with fixed pillar,
Each fixed post top portion is provided with groove, fixed mount setting in groove, the cross-brace plate by bottom connecting plate and
Two side connecting plates are constituted, and described two side connecting plates are separately positioned on bottom connecting plate both ends.Add for solving bridge
Gu mode is single, the excessively high problem of reinforcement cost.The program, which substantially belongs to, increases an independent support, in original bridge pier
On the basis of increase a supporting leg, realize and the reinforcing of bridge supported.
A kind of scheme is disclosed in 207259979 U of CN, the utility model provides a kind of bridge strengthening device, including beam
Hold fulcrum and string formula girder steel；The beam-ends fixed pivot is on the abutment or bent cap of bridge, the both ends of described string formula girder steel
It is fixed on the beam-ends fulcrum.A kind of bridge strengthening device provided by the utility model, application method is simple, operates just
It is prompt, construction cost is low, the construction period is short, reusable, reinforcing to bridge can be completed without closing lane.
Document above belongs to the method reinforced using steel construction, concrete structure, belongs to traditional form of construction work.Carbon
Fiber cloth/band reinforcing mode is the Technology Bridge Strengthening occurred in recent years, with low/easy for construction problem of input cost.
The utility model discloses a kind of method using pre-stressed carbon fiber plate reinforcement bridge in CN108374354A,
Step is: determining pre-stressed carbon fiber plate, fixing end support, stretching end support and rear pouring concrete region implantation reinforcing bar
Position；Casting concrete region is handled after treating the bottom of reinforcement bridge；Fixing end is installed in the bottom to reinforcement bridge
Support, stretching end support；Pre-stressed carbon fiber plate and the face that contacts with each other to reinforcement bridge bottom surface are handled, and smear carbon
Fiberboard bonding agent；It is separately connected tensioning screw rod in the two sides of pre-stressed carbon fiber plate right part, and on tensioning screw rod successively
It is set with fixture nut, counter-force block, counter-force nut；Fixed block is installed；Counter-force block is lifted with jack top, then locks counter-force nut；
In the pouring concrete region formwork erection casting concrete behind reinforcement bridge bottom.Above structure has problems in that: although carbon
Fiberboard itself has very strong tensile capacity and performance, and still, the support at both ends is weak link, is especially used to fix
The chemical anchor bolts of support are easy to produce failure, and prestressed stretch-draw is caused to fail.
Utility model content
In order to solve the deficiencies in the prior art, the utility model provides a kind of mounting assembly fixed for carbon fiber board,
For solving the problems, such as that mounting assembly is illusive in existing reinforcement technique, especially, for solving the group of fixed carbon fiber board
Existing pulling capacity problem between part and bridge, and adapt to structure shape Problem of Failure existing for domestic bent cap at present.
The utility model solves technical solution used by its technical problem are as follows:
The mounting assembly fixed for carbon fiber board, including component I, component II and wedge block, wherein I two sides of component tool
There is slide block structure, and there is the slope surface and plane to form an angle on component I, is provided at plane and is gradually obliquely installed backward
Wedge groove,
The component II includes flat part and inclined plate portion, wherein the inclined plate portion and the slope surface match merga pass bolt
Component connection, the flat part, with merging to form wedge shape space, have wedge block I, in component with the plane in wedge shape space
I, one is formed between component II and wedge block for clamping the channel of carbon fiber board, the end of the carbon fiber board in slope surface and
Bending twice is formed in wedge groove.
In the pull rod that the two sides of the flat part of component II oriented stretching end mounting assembly direction extends, the end of the pull rod
It is provided with support plate.
Inclined plate portion front end is provided with support plate.
The flat part is provided with skid resistance strip.
Contacted with the carbon fiber board clamping face in wedge block, component I and component II is provided with diamond dust.
The beneficial effects of the utility model are:
It sees on the whole, the utility model takes full advantage of the respective advantage and disadvantage of carbon fiber board and elastomer cloth, both has
There is outstanding prestressing force, and there is package performance well, better than current all ruggedized constructions.
Structurally, either fixing end mounting assembly or stretching end mounting assembly, all have sufficient self-locking performance,
Floatability and, by junction steel plate, so that forming a kind of closing of closure between carbon fiber board, mounting assembly and connection steel part
The phenomenon that ring forms a kind of prestressing force between closed-loop, reinforces to bent cap, is not in mounting assembly failure, than tradition
Consolidation effect more preferably.
Detailed description of the invention
Fig. 1 is the pattern of existing bent cap and bridge pier.
Fig. 2 is that the utility model reinforces the ruggedized construction perspective view to be formed.
Fig. 3 is partial enlarged view at A in Fig. 2.
Fig. 4 is a step of the reinforcing process of carbon fiber board in reinforcing process.
Fig. 5 is partial enlarged view at B in Fig. 4.
Fig. 6 is the cross-sectional view during tensioning.
Fig. 7 is the perspective view of linear guide.
Fig. 8 is the connection schematic diagram of fixing end mounting assembly and pulling plug.
Fig. 9 is the perspective view of fixing end mounting assembly.
Figure 10 is the top view of component I.
Figure 11 is the perspective view of component I.
Figure 12 is the perspective view (looking up angle) of component II.
Figure 13 is the perspective view (depression angle) of component II.
Figure 14 is the side view of wedge block.
Figure 15 is the angle one of the perspective view of wedge block.
Figure 16 is the angle two of the perspective view of wedge block.
Figure 17 is the angle one of the perspective view of stretching end mounting assembly.
Figure 18 is the angle two of the perspective view of stretching end mounting assembly.
Figure 19 is the perspective view of junction steel plate.
Figure 20 is the angle one for repairing the perspective view of steel part.
Figure 21 is the angle two for repairing the perspective view of steel part.
In figure: 000 bent cap, 001 chamfering,
00 repairing steel part,
100 carbon fiber board reinforcing rings I,
200 fixing end mounting assemblies, 210 components I, 211 protrusions, 212 slope surfaces, 213 planes, 214 wedge grooves, 220 components
II, 221 flat parts, 222 inclined plate portions, 230 wedge blocks I, 231 fixed plates,
300 stretching end mounting assemblies, 310 components III, 320 components V, 321 support plates I, 322 skid resistance strips, 330 wedge shapes
Block II,
400 junction steel plates, 410 linear guides, 420 jack,
500 carbon cloths wrap up region.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing, so that those skilled in the art can be more
Add and be apparent from, as shown in Figure 1 and Figure 2, the utility model uses following steps:
Scheme of Strengthening is determined according to the pattern of bent cap and damaged degree first,
Step 1, the bent cap reinforcing position to be repaired for treating reinforcement bridge according to design drawing carry out construction lofting and measurement,
The accurate size for determining repairing steel part 00, preparation repairing steel part, in general, the form formation for generalling use steel plate welding in engineering is repaired
Steel part is mended, and carries out preservative treatment, with reference to Figure 20 and Figure 21, in the present embodiment, according to the pattern of chamfering 001, this repairing steel part
The floor that using triangular structure, inside there is welding to be formed is arranged bolt hole on repairing steel part, then uses chemical bolt
Repairing steel part is fixed on to the gradual transition position of bent cap, chemical bolt belongs to conventional reinforcement technique to the fixation of steel member, this
Place repeats no more.
Step 2, in the upper side position of bent cap 000, one of carbon fiber board reinforcing ring I is respectively set in the position close to edge
100 and a set of fixing end mounting assembly 200, stretching end mounting assembly 300 and junction steel plate 400, detailed process is as follows: using
A pair of of linear guide 410 is fixed up by chemical anchor bolts, leads wherein forming a straight line being oppositely arranged between two linear guides
Slot, the effect of line channel are to prepare for fastening carbon fiber board.
2 description implemented to attached drawing 21 with reference to the accompanying drawing.
By the fixing end mounting assembly 200 for being used to fix pre-stressed carbon fiber plate, stretching end mounting assembly 300 respectively from straight
The both ends of line guide rail are inserted into straight, and carry out tensioning construction under the action of jack 420, that is to say, that from knot
It is said on structure, fixing end mounting assembly 200, stretching end mounting assembly 300 are the matching relationship of sliding between linear guide respectively,
Still further, without direct fixed relationship between fixing end mounting assembly, stretching end mounting assembly and bent cap main body, and can
To be slided along the horizontal plane where linear guide, position is adjustable, hydraulic work of the power from jack 420
With, it is readily appreciated that, both ends and fixing end mounting assembly, the stretching end mounting assembly of jack are directly or indirectly established respectively
Connection relationship.This function, it may be said that in pulling anchor cable stage, fixing end mounting assembly, stretching end mounting assembly are substantially at floating
Dynamic state, and it is obvious in pulling anchor cable stage and traditional stretching construction without directly anchor and fixed relationship, this point with bent cap
Difference, especially can to avoid fixing end mounting assembly, stretching end mounting assembly and bent cap main body in traditional stretching process it
Between stress, especially lateral shear stress and torque.
The form in the theory of constitution of various components, structure and stretching process is described in detail below, wherein Gu
Mounting assembly 200 structure in fixed end is as follows:
It is illustrated with reference to Fig. 6 to Figure 16, fixing end mounting assembly 200 includes: component I 210, component II 220 and wedge shape
Block I 230, wherein independent establishment of coordinate system is carried out to component I 230, the two sides of component I 210 have to be cooperated with above-mentioned sliding slot
Protrusion 211, that is to say, that the component be by I two sides of component be slidably matched with above-mentioned linear guide carry out sliding match
It closes, the back side of component I 210 is contacted with bent cap, forming face cooperation, to form enough branch between bent cap and component I
Support.I 210 front of component is provided with a slope surface 212 and a plane 213, that is to say, that slope surface and plane are at certain angle
Degree setting, this setup are more conducive to the aid for carbon fiber board, and aid effect becomes apparent from.Further
Ground, wherein the flush of the bent cap in face and place where plane, slope surface from plane gradually to the gradually transition of bent cap position,
That is, carbon fiber board is largely fitted in the surface of bent cap, by being gradually lifted behind slope surface position, in the process of lifting
In, the local deflecting of carbon fiber board is completed, and there is this turn to better aid effect especially can preferably improve
Accommodate effect.Meanwhile the threaded hole for fastening high-strength bolt is provided at slope surface, planar portions be provided with one backward by
The wedge groove 214 being gradually obliquely installed, the presence of the wedge groove 214 is for being fixed the end of carbon fiber board, that is to say, that
The end of carbon fiber board forms bending twice in slope surface and wedge groove, relative to traditional clamp structure, clamping and locking effect
Fruit is more preferable.Cooperate with component I, is component II for aid, two components are fitted to each other, with reference to Fig. 8 to Figure 16, component II
220 generally " factory " fonts, including flat part 221 and inclined plate portion 222, wherein the slope surface portion in inclined plate portion and above-mentioned component I
Divide and correspond to, and 222 two sides corresponding part of inclined plate portion is provided with bolt hole, and connect to two components by bolt assembly
It connects, fixation and fastening between the two is completed by the bolt assembly, and form one.In flat part 221 and above-mentioned component I
Plane form cooperation, and wedge-shaped groove location therebetween forms a wedge shape space, enters wedge in the spatial interpolation of wedge shape
Shape block I 230 further forms the channel for being used to clamp carbon fiber board between component I, component II and wedge block I,
That is, wedge block I under the action of tensile force, may be implemented to the self-locking of carbon fiber board end, and using wedge shape from
Lock and clamping principle realize clamping.Further, it is contacted in wedge block I, component I and component II with carbon fiber board clamping
Face be provided with diamond dust, increase roughness, can raising further accommodate effect.
Above-mentioned wedge block structural reference Figure 14 to Figure 16.
The corresponding rear end in II 220 flat part of component is provided with threaded hole, corresponding on wedge block 230 to be provided with admittedly
Wedge block be fastened on component II by fixed board 231 and the through-hole being arranged in fixed plate by one group of bolt, this is tight
Gu being usually to be carried out during pre-tightening with tensioning, can be further fixed by the fastening bolt.
The flat part of component II 220 is provided with threaded hole 223, for the fixation after being tensioned in place, and it is flat in component II
The two sides in plate portion are provided with the cantilever 224 for tensioning, in the cantilever bolt hole being provided with for fixing pulling plug, the cantilever
Effect is to implement in pulling anchor cable stage, is described in detail in subsequent literary section.
Stretching end mounting assembly 300 includes component III 310, component V 320 and wedge block II 330, wherein component III 310
It is identical as above-mentioned I structure of component, it repeats no more, component V 320 and II structure of component are essentially identical, the difference is that,
The inclined plate portion front end of component V 320, is provided with a support plate I 321, and the end for being tensioned jack supports.Simultaneously in structure
The flat part upper surface of part V is provided with skid resistance strip 322.Cantilever is not provided in the side of component V simultaneously, that is to say, that
Setting cantilever is not needed.II structure of wedge block is identical as wedge block I as application method, this place repeats no more.
It further include the connection steel that fixing end mounting assembly, the stretching end mounting assembly after tensioning operation are fixed
Plate 400, the junction steel plate one end are provided with circular array circular hole, and the other end is provided with array strip hole, and in strip hole location
The concave-convex striped of the lower surface setting set, circular hole therein are fixed with fixing end mounting assembly, and fixed form is high-strength spiral shell
Bolt fastening, strip hole is fixed with stretching end mounting assembly, and fixed form is high-strength bolt, when tensioning in place after, pass through
The cooperation of high-strength bolt and concave and convex stripe can be very good to be formed the locking on direction of pull, have good anti-loosing effect.
In step 2, the tensioning of carbon fiber board and fixed detailed process are as follows: firstly, fixed straight line guide rail, then will
Fixing end mounting assembly, stretching end mounting assembly are separately mounted to sell directly to households in sliding slot, then that the both ends of carbon fiber board are solid respectively
It is scheduled on the fixing end mounting assembly at both ends, in stretching end mounting assembly, and coats on the contact surface of carbon fiber board and bent cap viscous
Agent, such as A grades of glue are tied, pulling plug then is installed in the two sides of fixing end mounting assembly, the other end of pulling plug 430 fixes a support
Plate II 440, the jack which was used for and provided tensile force are contacted and are connected, that is to say, that provide tension
Jack both ends are contacted with support plate I, II respectively, under the action of hydraulic coupling, pass through two support plates and two sides
The effect of pulling plug, so that the gap between two fixing end mounting assemblies and stretching end mounting assembly reduces, reduced process must
So along with the tensioning of carbon fiber board, that is to say, that this process is that tension applies process, in the process, in two mounting assemblies
Carbon fiber board end by carry out bending, aid after tension is applied to predetermined value, keeps tension, and two with reference to Fig. 6
It is fixed between group mounting assembly using junction steel plate, final connection is realized by junction steel plate, it, can be with after the completion of connection
The tension for discharging jack is finally completed the installation of the two.Under normal conditions, linear guide can be reused, still
The factors such as the dismounting cost in view of linear guide, linear guide herein do not award dismounting processing, reservation.
Likewise, carrying out the operation of step 3, tensioning processing is carried out to the carbon fiber board of lower part, the difference is that, under
Linear guide in the fixing end mounting assembly in portion, stretching end mounting assembly is fixed on repairing steel part, that is to say, that
Fixed straight line guide rail on steel part is repaired, rather than is directly anchored on bent cap.
After above-mentioned two carbon fiber boards fix, FOUR EASY STEPS is carried out, that is, make to the region between two carbon fiber boards
It is handled with carbon cloth, specific treatment process is as follows:
Bent cap needs the portion faces pasted that should polish comprehensively, without any attachment, pastes the need that there are sharp corners at position
It is polished into fillet, carries out polishing chamfering with sander, minimum diameter is three centimetres, and guarantees that surface is essentially smooth.
In bent cap roller coating bottom epoxide-resin glue in region to be strengthened, the carbon cloth cut is then affixed on concrete and is applied
Glue surface, carbon cloth want straight, extend, and are rolled using hard rubber rod or plastic scrapers repeatedly and to promote that carbon cloth is straight, prolongs
Exhibition, bubble-free, adhesive is fully penetrated, and roller coating epoxy resin impregnates glue on cloth face again, guarantees the table of abundant drape
Face, it is ensured that sufficiently in the fiber of infiltration carbon cloth, according to the size of bent cap, carbon cloth should have enough length, even
Continuous winding three after solidifying 5 hours at normal temperature, forms smooth surface, finally, with 3 to 6mm sandstone (quartz sand) to surrounding
It is sprinkled upon in the construction surface for being coated with glue, it is ensured that the caking property of rendering layer.Finally in the region between twice carbon fiber board reinforcing ring
It forms carbon cloth and wraps up region 500.
The utility model is in such a way that pre-stressed carbon fiber plate and carbon cloth combine to the specific weak part of bent cap
It is reinforced, wherein twice carbon fiber board stiffener rings play the role of prestressed reinforcement, and intermediate region is non-prestressed reinforcing
Region, and the region wrapped up is bigger, so that consolidation effect is more efficient, improves consolidation effect, extends service life.
Embodiment described above is only that preferred embodiments of the present invention are described, not practical to this
Novel range is defined, and under the premise of not departing from the spirit of the design of the utility model, relevant technical staff in the field is to this
The various changes and improvements of utility model should all be fallen into protection scope determined by the utility model claims book.
Claims (5)
1. the mounting assembly fixed for carbon fiber board, including component I, component II and wedge block, wherein I two sides of component have
Slide block structure, and have the slope surface and plane that form an angle on component I is provided at plane and is gradually obliquely installed backward
Wedge groove,
The component II includes flat part and inclined plate portion, wherein the inclined plate portion and the slope surface match merga pass bolt assembly
Connection, the flat part, with merging to form wedge shape space, have wedge block, in component I, component with the plane in wedge shape space
One is formed between II and wedge block for clamping the channel of carbon fiber board, the end of the carbon fiber board is in slope surface and wedge groove
Interior formation bending twice.
2. the mounting assembly fixed for carbon fiber board according to claim 1, which is characterized in that in the plate of component II
The pull rod that the two sides in portion oriented stretching end mounting assembly direction extends, the end of the pull rod is provided with support plate.
3. the mounting assembly fixed for carbon fiber board according to claim 1 or 2, which is characterized in that the inclined plate portion
Front end is provided with support plate.
4. the mounting assembly fixed for carbon fiber board according to claim 1, which is characterized in that the flat part setting
There is skid resistance strip.
5. the mounting assembly fixed for carbon fiber board according to claim 1, which is characterized in that it is described wedge block,
Contacted face, which is clamped, with carbon fiber board in component I and component II is provided with diamond dust.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821958662.XU CN209277018U (en) | 2018-11-26 | 2018-11-26 | The mounting assembly fixed for carbon fiber board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821958662.XU CN209277018U (en) | 2018-11-26 | 2018-11-26 | The mounting assembly fixed for carbon fiber board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209277018U true CN209277018U (en) | 2019-08-20 |
Family
ID=67602715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821958662.XU Expired - Fee Related CN209277018U (en) | 2018-11-26 | 2018-11-26 | The mounting assembly fixed for carbon fiber board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209277018U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109537475A (en) * | 2018-11-26 | 2019-03-29 | 山东交通学院 | The method and ruggedized construction of bent cap reinforcing are carried out using carbon fiber |
-
2018
- 2018-11-26 CN CN201821958662.XU patent/CN209277018U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109537475A (en) * | 2018-11-26 | 2019-03-29 | 山东交通学院 | The method and ruggedized construction of bent cap reinforcing are carried out using carbon fiber |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190820 Termination date: 20201126 |