CN205775824U - There is the retractor device that arcuate resilient connects - Google Patents

Abstract

This utility model relates to building retractor device, there is provided a kind of and there is the retractor device that arcuate resilient connects, including two side bars being positioned at both sides, expansion joint, two side bars are oppositely arranged, also include being located in the adhesive tape between two side bars and across expansion joint, also set up at least one elastic connection plate in the lower section of adhesive tape, each elastic connection plate is spaced setting successively along the length direction being parallel to expansion joint and crab-bolt is consolidated on two side bars, and each elastic connection plate is across expansion joint and vertical supporting adhesive tape.In retractor device of the present utility model, adhesive tape waterproof sealing is used between two side bars, adhesive tape then uses at least one elastic connection plate being disposed below to support, adhesive tape can be provided certain opposition, increasing adhesive tape reliability, adhesive tape will not be come off by side bar easily, and additionally elastic connection plate can function similarly to the effect of " elastic connecting hinge ", make the right and left beam cooperative bearing, increase retractor device structural integrity.

Description

There is the retractor device that arcuate resilient connects

Technical field

This utility model relate to bridge and other building retractor device, particularly relate to a kind of have arcuate resilient connect stretch Compression apparatus.

Background technology

Retractor device is the key position in bridge member, plays an important role in realizing bridge function.National standard " Standard for terms used in road engineering " (GBJ124-1988) and traffic industry standard " highway engineering noun structure term " (JTJ 002- 87) definition to bridge extension joint is: for making vehicle smoothly pass bridge floor and meet the needs of bridge deck structure deformation, at bridge floor The general name of the device arranged at variator.

At present, conventional bridge extension joint can be divided into according to system: 1. modulus bridge expansion device；2. fishback Bridge extension joint, such as common comb plate bridge expansion device, modular multi-directional deflection comb plate bridge expansion device, module comb Toothed plate type Multidirectional displacement bridge expansion device etc..Modulus type is stretched again by " Expansion Units for Highway Bridges " (JT/T 327-2004) Be equal in device, formal classification less than 80mm is " profile iron list seam ".

Single seam type steel expansion device is most popular a kind of retractor device on current highway bridge, accounts for whole bridge The 80% of beam retractor device consumption.The shaped steel that single seam bridge extension joint uses domestic hot-roll forming is main member, build-in Water-proof sealing rubber strip is extrusome, and is equipped with anchor system.

By mounting groove wire feeding, conventional single seam type steel expansion device mainly has the most several:

1, be rigidly connected (Concrete Filled) single seam type steel expansion device

Single seam type steel expansion device that is rigidly connected mainly has c-type, F type, the common shaped steel type of 3 kinds of E type.

2, (resin or binding material are filled) single seam type steel expansion device is flexibly connected

When the anchorage zone of single seam type steel expansion device is due to the arrowhead deficiency of the reason such as structure, construction, as made With being rigidly connected, owing to fill concrete is the weakest, tend not to reach intended anchoring strength, be susceptible to the most broken Bad, the most preferably use the mode flexibly connected that retractor device is anchored, common have BEJ resin adhesive type type Steel retractor device and Betoflex flexibly connect formula type steel expansion device.

By the mounting groove degree of depth, can be divided into standard buried depth and shallow overburden two kinds, relevant to single seam anchoring system, the former uses anchor The list seam of the rigidity anchoring of plate and big annular dowel, its mounting groove degree of depth, 25～30cm, is embedded in girder, the many employings of the latter The list seam of the elastic anchoring such as peg, its fitting depth, at 15cm～16cm, is embedded in during bridge mats formation.

Single seam type steel expansion device uses the widest, and its force modes is relatively easy.To single seam type steel expansion device Speech, common damage-form has the most several:

1. anchorage zone concrete destruction

2. caulking gum band is the most aging, come off or rupture, and in fluid sealant, sanitary fill is too much, affects Telescopic.

And cause sealing rubber strip to leak and the main cause destroyed is: the shape of sealing rubber strip and central sill and side bar steel The degree of lip-rounding do not mate；Due to the stone on road surface, the impurity such as silt enters and is deposited in sealing rubber strip gap, big of rigidity Grain material is difficult to be extruded, and presses under wheel, owing to rubber strip is without support, and adhesive tape finite thickness, therefore, at stone, mud The impurity such as sand are by under the extruding of wheel, and rubber strip is easily punctured, or extruding force is excessive, so that adhesive tape two ends bayonet socket is easy It is extruded and shakes off, thus cause and leak under rainwater, dust, foreign material.

Utility model content

The purpose of this utility model is that providing a kind of has the retractor device that arcuate resilient connects, it is intended to be used for solving now The rubber strip of some retractor devices easily piles up stone silt etc., in turn results in adhesive tape and extrudes the problem come off.

This utility model is achieved in that

This utility model embodiment provides a kind of and has the retractor device that arcuate resilient connects, including being positioned at both sides, expansion joint Two side bars, two described side bars are oppositely arranged, and also include being located between two described side bars and across described flexible The adhesive tape of seam, also sets up at least one elastic connection plate in the lower section of described adhesive tape, and each described elastic connection plate is along being parallel to institute Stating the length direction at expansion joint and be spaced setting successively and crab-bolt is consolidated on two described side bars, each described elastic connection plate is horizontal Across described expansion joint and support described adhesive tape.

Further, described elastic connection plate is bent into two shrapnel part being oppositely arranged, and two described shell fragments enclose shape Become arch horizontally toward, and bear against on two described side bars.

Further, described elastic connection plate has multiple, and adjacent two described elastic connection plates can be oppositely arranged or phase The back of the body is arranged.

Further, described elastic connection plate has multiple, and each described elastic connection plate is arranged the most in the same direction.

Further, being folded with two slide plates between described elastic connection plate and described adhesive tape, two described slide plates divide Other horizontal welding is connected on two side bars, and two described slide plates are superimposed with each other away from the end of corresponding described side bar.

Specifically, the opposite face of side bar described in two is also provided with L-type plate, each described L-type plate and corresponding side bar it Between form the U-type groove of opening upwards, be clamped in respectively in two described U-type groove after two ends bendings of described adhesive tape.

Further, each described side bar also has the top board extended to side bar another described, and described top board is positioned at described U The surface of type groove, the end sections of described adhesive tape is posted by the lower surface of corresponding described top board.

Further, between every one end and corresponding described top board of described adhesive tape, reinforcing bar snap close also it is arranged with.

Further, described adhesive tape indentation, there between corresponding two described top boards folds undulate and repeatedly bends knot Structure, and the summit of described adhesive tape is less than the upper surface of top board described in two.

Further, the bottom in each described side bar also has and is horizontally placed on described expansion joint respective side concrete On base plate.

This utility model has the advantages that

Retractor device of the present utility model, adhesive tape is across expansion joint, and its both ends are then individually fixed in two be oppositely arranged On individual side bar, below adhesive tape, it is provided with at least one elastic connection plate for it is carried out vertical support, each elastic connection Being crab-bolt consolidation between plate and two side bars, it is not only able to so that retractor device entirety meets the deformation requirements at expansion joint, And similar and " elastic connecting hinge " effect can be played, make the right and left beam 11 cooperative bearing, increase retractor device 1 structure Globality.

Accompanying drawing explanation

In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, the accompanying drawing in describing below is only It is embodiments more of the present utility model, for those of ordinary skill in the art, in the premise not paying creative work Under, it is also possible to other accompanying drawing is obtained according to these accompanying drawings.

The structural representation of the bridge that Fig. 1 provides for this utility model embodiment；

Fig. 2 is the structural representation with the retractor device that arcuate resilient connects of the bridge of Fig. 1；

Fig. 3 be the bridge of Fig. 1 there is the bowing when elastic connection plate of retractor device that arcuate resilient connects is arranged in the same direction View；

Fig. 4 is when having that the elastic connection plate of retractor device that arcuate resilient connects is adjacent to be arranged dorsad of the bridge of Fig. 1 Top view.

Detailed description of the invention

Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under making creative work premise The all other embodiments obtained, broadly fall into the scope of this utility model protection.

Seeing Fig. 1-Fig. 4, this utility model embodiment provides a kind of and has the retractor device 1 that arcuate resilient connects, including Two side bars 11, side bar 11 is vertically built in the concrete of both sides, expansion joint 2, for being oppositely arranged between two side bars 11, two Being folded with adhesive tape 12 between individual side bar 11, adhesive tape 12 is across expansion joint 2, and retractor device 1 also includes being positioned at below adhesive tape 12 extremely A few elastic connection plate 16, each elastic connection plate 16 all can stretch in the horizontal direction, and along being parallel to the length at expansion joint 2 The each elastic connection plate in direction 16 is spaced setting successively, and each elastic connection plate 16 is across expansion joint 2 and supports above-mentioned adhesive tape 12.This The retractor device 1 that utility model provides can be applicable in bridge expanssion joint 2, shape between the most adjacent beam body 3 or abutment Become expansion joint 2, at expansion joint 2, poured fiber concrete 31 in beam body 3 or abutment, be then equipped with in other place Asphalt concrete pavement, is installed on side bar 11 on fiber concrete 31, and its side is fiber concrete 31, and opposite side is then Expansion joint 2 and towards another side bar 11, adhesive tape 12 is made for water proof rubber, and its both ends are oppositely arranged with two side bars 11 respectively Surface is fitted and connected, and owing to adhesive tape 12 is positioned at the top at expansion joint 2, thus defines the closure to expansion joint 2, rainwater, dust Or other foreign material are all difficult to, by the 2 times leakages in expansion joint, be provided with at least one elastic connection plate 16 in the lower section of adhesive tape 12, logical Cross elastic connection plate 16 to be pointed to the adhesive tape 12 above it and play supporting role, two ends of each elastic connection plate 16 Lay respectively at both sides and the crab-bolt consolidation respectively and between corresponding side bar 11 at expansion joint 2, and use the crab-bolt consolidation can be favourable In elastic connection plate 16 stress, prevent fatigue rupture.Owing to elastic connection plate 16 can stretch in the horizontal direction, it is possible to meet and stretch The deformation requirements of contracting seam 2, and it connects two side bars 11, can play similar and " elastic connecting hinge " effect, make left and right Two side bar 11 cooperative bearings, increase retractor device 1 structural integrity, the adhesive tape 12 that elastic connection plate 16 can be square on which simultaneously Produce vertical counteracting force, between rubble two side bars 11 of extrusion that can will pile up in adhesive tape 12, even if rolling more greatly Under the effect of power, adhesive tape 12 also will not be come off by side bar 11 easily.Can weld between base plate 13 with side bar 11, it is also possible to Being formed in one and make, base plate 13 can increase the bearing area between side bar 11 and fiber concrete 31, thus reduces vehicle The impact failure of installing zone concrete under Impact Load.

Seeing Fig. 1, Fig. 3 and Fig. 4, the structure of refinement elastic connection plate 16, it is formed by flat plate buckling and is oppositely arranged Two shrapnel part 161, two shell fragments enclose the arch formed horizontally toward, and bear against on two side bars 11.Elasticity is even Fishplate bar 16 is bow-shaped structural, and arched opening is towards the length bearing of trend at expansion joint 2, and two shrapnel part 161 are the most perpendicular Straight setting, part fits on the side bar 11 of correspondence respectively, and carries out crab-bolt consolidation with between corresponding side bar 11 respectively, and it passes through Two shrapnel part 161 along the elasticity across direction, expansion joint 2 to meet the deformation requirements at expansion joint 2.Usually, each flexible dress Put 1 and all include multiple elastic connection plate 16, and along the length direction at expansion joint 2 be positioned at the elastic connection plate 16 of centre with wherein One adjacent elastic connection plate 16 is oppositely arranged (the arched opening of two elastic connection plates 16 is relative), adjacent with another The opposing setting of elastic connection plate 16 (the arched opening of two elastic connection plates 16 mutually deviates from).Each bullet can certainly be made The opening of property connecting plate 16 is towards identical, and the distance between each elastic connection plate 16 is the most identical, and the most each elastic connection plate 16 is along stretching The length direction of contracting seam 2 is evenly arranged successively.

Seeing Fig. 1 and Fig. 2, optimize above-described embodiment, each side bar 11 is respectively provided with the slide plate extended to another side bar 11 14, two slide plates 14 have part-structure overlapping in the end away from corresponding side bar 11, and two slide plates 14 are respectively positioned on adhesive tape Between 12 and each elastic connection plate 16.In the present embodiment, it is superimposed with each other between two slide plates 14, forms overlap joint, to this flexible During seam 2 deformation, going up in the horizontal direction and can form slip relatively between two slide plates 14, i.e. both do not interfere with expansion joint 2 Dilatation, on the other hand, two slide plates 14 are positioned at the lower section of adhesive tape 12, and adhesive tape 12 can contact with both, or be separated by, but It is that spacing is the least, adhesive tape 12 can be formed vertical supporting role by two slide plates 14.When adhesive tape 12 is squeezed by rubble Pressure, two slide plates 14 can be that adhesive tape 12 provides counteracting force, owing between adhesive tape 12 bottom surface and side bar 11 top board, the degree of depth is shallower, So that rubble is taken out of with wheel rolling after the rolling of wheel, and then reduce the generation of card stone phenomenon.By in elasticity even Set up slide plate 14 between fishplate bar 16 and adhesive tape 12, between adhesive tape 12 and slide plate 14, can have bigger contact area, Jin Erke To ensure that the supporting role force rate that adhesive tape 12 is produced by each elastic connection plate 16 relatively equalizes.

See Fig. 2, optimize the structure of side bar 11 further, the opposite face between two side bars 11 is also provided with L-type plate 151, form the U-type groove 15 of opening upwards between each L-type plate 151 with corresponding side bar 11, two end portion of above-mentioned adhesive tape 12 Do not stopper in two U-type groove 15.Side height for its relative side bar 11 of U-type groove 15 is less, and the two ends of adhesive tape 12 only need Carry out, in the U-type groove 15 that bending somewhat can stretch into correspondence, adhesive tape to be simplified by arranging U-type groove 15 on side bar 11 Attachment structure between 12 and side bar 11, the end of adhesive tape 12 can stably be installed on corresponding side bar 11, use opening simultaneously U-type groove 15 upwards, can strengthen the sealing property of attachment structure between adhesive tape 12 and side bar 11, i.e. rainwater is difficult to by adhesive tape Penetrate in expansion joint 2 between 12 and side bar 11.

Continuing to optimize above-described embodiment, each side bar 11 also has the top board 111 extended to another side bar 11, each top board 111 surfaces being positioned at corresponding U-type groove 15, when being in clamping connection in U-type groove 15 is stretched in the end of adhesive tape 12, the end of adhesive tape 12 Portion has the lower surface laminating of part-structure and the top board 111 of respective side, such that it is able to avoid rainwater through adhesive tape 12 and top board 111 Between enter in expansion joint 2, improve the water resistance of retractor device 1 further.(deleting part, the setting of top board is not configured to Shorten the distance of side bar)

Refer again to Fig. 1 and Fig. 2, further, also block between every one end and corresponding top board 111 of adhesive tape 12 It is provided with reinforcing bar snap close 121.The end of adhesive tape 12 has part-structure and fits with top board 111, and specially adhesive tape 12 is leaned on top board 111 The part-structure laminating of near side (ns) beam 11, and at top board 111 away from not contacting between end and the adhesive tape 12 of side bar 11, i.e. along leaning on The direction of near side (ns) beam 11, forms the jaws that bore is tapered between top board 111 and adhesive tape 12, above-mentioned reinforcing bar snap close 121 is clamped in In this jaws, it can play the effect of clamping adhesive tape 12 so that the end of adhesive tape 12 will not be easily by abjection in U-type groove 15. Usually, each top board 111 is respectively positioned on the top of side bar 11 of correspondence, and its upper surface is plane, its with in beam body 3 or abutment Asphalt concrete pavement be generally aligned in the same plane in, can for driving provide continuous print traffic loading end.

For said structure form, between two top boards 111, there is certain distance, form gap the most between the two, by glue Bar 12 is to should the position in gap fold, and the part undulate repeatedly bending structure after folding, and waveform is many The summit of secondary bending structure is less than the lower edge of two top boards 111.Waveform repeatedly bending structure so that adhesive tape 12 along across The direction at expansion joint has preferable elasticity, so that adhesive tape 12 compares the main telescopic variation of traditional adhesive tape by vertically turning For laterally, this horizontal telescopic variation does not interferes with its stability connected, i.e. adhesive tape 12 will not be easily by two side bars 11 Between come off, simultaneously because the waveform of adhesive tape 12 repeatedly bending structure after Zhe Dieing, when stone or silting are to adhesive tape 12 After on, when expansion joint is shunk, the counteracting force that produced by two slide plates 14 and can be by thereon under the effect of bulge-structure Stone or silt are extruded by between two side bars 11, thus reach the purpose of slagging-off.

Refer again to Fig. 1 and Fig. 2, further, be also separately installed with in the fiber concrete 31 of both sides, expansion joint 2 Anchor tie plate 17, two side bars 11 are respectively positioned between two anchor tie plate 17, and each side bar 11 is both secured on the anchor tie plate 17 of correspondence. Anchor tie plate 17 is embedded in the fiber concrete 31 of respective side, and corresponding side bar 11 can be formed solid by the way of welding Determine, and anchor tie plate 17 also has part-structure and is positioned on the base plate 13 of respective side, also for welding between its with base plate 13, thus can To strengthen the stability of side bar 11 structure.Optimize above-described embodiment, bury the most respectively in the fiber concrete 31 of both sides, expansion joint 2 Being provided with gantry type reinforcing bar 18, this gantry type reinforcing bar 18 extends to the lower section of the anchor tie plate 17 of respective side, and its anchor with respective side Weld between arm-tie 17.Being specially gantry type reinforcing bar 18 is quadra structure, and its structure being positioned at lower section disconnects, gantry type Reinforcing bar 18 part is positioned at fiber concrete 31, also has part and is positioned at beam body 3 or abutment, and this is being installed gantry type During reinforcing bar 18, part should be carried out in time preparing beam body 3 or abutment pre-buried, so that the gantry type reinforcing bar 18 after An Zhuaning Have between stronger stability, and anchor tie plate 17 and gantry type reinforcing bar 18 and carry out two-sided welding, anchor tie plate 17 and side bar 11 Stability can be further improved.Usually, in fiber concrete 31, also it is embedded with steel hoop 19, annular Reinforcing bar 19 is horizontal-extending by the outside of the anchor tie plate 17 of respective side, i.e. the relative anchor tie plate 17 of gantry type reinforcing bar 18 is vertically extending, and Steel hoop 19 is then horizontal-extending relative to anchor tie plate 17, is welded with the gantry type reinforcing bar 18 of respective side by steel hoop 19, Thus the steel hoop 19 of the same side, gantry type reinforcing bar 18 and anchor tie plate 17 are connected as an entirety.

The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all at this Within the spirit of utility model and principle, any modification, equivalent substitution and improvement etc. made, should be included in this utility model Protection domain within.

Claims (10)

1. there is the retractor device that arcuate resilient connects, including being positioned at two side bars of both sides, expansion joint, two described limits Beam is oppositely arranged, it is characterised in that: also include being located in the adhesive tape between two described side bars and across described expansion joint, in The lower section of described adhesive tape also sets up at least one elastic connection plate, and each described elastic connection plate is along the length being parallel to described expansion joint Degree direction is spaced setting successively and crab-bolt is consolidated on two described side bars, and each described elastic connection plate is across described expansion joint And support described adhesive tape.

There is retractor device that arcuate resilient connects the most as claimed in claim 1, it is characterised in that: described elastic connection plate is curved Being converted into two shrapnel part being oppositely arranged, two described shell fragments enclose the arch formed horizontally toward, and bear against in two On described side bar.

There is retractor device that arcuate resilient connects the most as claimed in claim 2, it is characterised in that: described elastic connection plate has Having multiple, adjacent two described elastic connection plates can be oppositely arranged or opposing setting.

There is retractor device that arcuate resilient connects the most as claimed in claim 2, it is characterised in that: described elastic connection plate has Have multiple, and each described elastic connection plate is arranged the most in the same direction.

There is retractor device that arcuate resilient connects the most as claimed in claim 1, it is characterised in that: in described elastic connection plate And being folded with two slide plates between described adhesive tape, two described slide plate horizontal weldings respectively are connected on two side bars, two described cunnings Plate is superimposed with each other away from the end of corresponding described side bar.

There is retractor device that arcuate resilient connects the most as claimed in claim 1, it is characterised in that: side bar described in two relative Also it is provided with L-type plate on face, between each described L-type plate and corresponding side bar, forms the U-type groove of opening upwards, described adhesive tape It is clamped in respectively in two described U-type groove after two end bendings.

There is retractor device that arcuate resilient connects the most as claimed in claim 6, it is characterised in that: each described side bar also has The top board that another described side bar oriented extends, described top board is positioned at the surface of described U-type groove, the end sections patch of described adhesive tape It is against the lower surface of corresponding described top board.

There is retractor device that arcuate resilient connects the most as claimed in claim 7, it is characterised in that: each in described adhesive tape Reinforcing bar snap close also it is arranged with between end and corresponding described top board.

There is retractor device that arcuate resilient connects the most as claimed in claim 7, it is characterised in that: described adhesive tape is in corresponding two Indentation, there between individual described top board folds undulate repeatedly bending structure, and the summit of described adhesive tape is less than top board described in two Upper surface.

There is retractor device that arcuate resilient connects the most as claimed in claim 1, it is characterised in that: in each described side bar Bottom also there is the base plate being horizontally placed on the respective side concrete of described expansion joint.