A kind of shrinkage joint drainage mechanism
Technical field
The utility model belongs to bridge technology field, is specifically related to a kind of shrinkage joint drainage mechanism.
Background technology
Along with the development of Urban Construction in China, city intersection and elevated bridge get more and more, the stretching device of Urban Bridge also gets more and more, the use of flexible compression apparatus also gets more and more, for safety current on guarantee bridge both sides outward appearance and city all jackshaft, require that stretching device is outside the requirement meeting vehicle pass-through carrying, water-tight and displacement, also requires stretching device does not have ponding, in case the current safety of freezed in winter impact.The shrinkage joint used now in current car mainly contains modulus type section steel expansion device and the large class of comb plate stretching device two, and modulus type section steel expansion device accounts for major part.
Such as application number be 201010236441.3 patent of invention disclose a kind of modular expansion device for bridge, comprise load bearing system, displacement control system, anchor system, sealing system forms, the cloth of the compression control spring of displacement control system is set up and adopts positive and negative two-way mounted in pairs, displacement case, with support hanger, compression control spring is arranged between support hanger, along crossbeam from left to right between side bar steel and middle joist steel gap position on be arranged as successively and instead fill compression control spring, formal dress compression control spring, anti-dress compression control spring, also can arrange and be set to formal dress compression control spring, anti-dress compression control spring, formal dress compression control spring, and in the both sides of crossbeam, if arranged in front is the anti-compression control spring that fills, then be arranged as formal dress compression control spring below, central sill material adopts " weathering steel " to arrange road surface, shrinkage joint, its structure is described as middle beam assembly, comprise central sill nose and central sill junction plate and middle joist steel to dock, connected by support hanger assembly bolt, location-plate is fixed by bolts on central sill, supporting suspension bracket and central sill bolt are located fixing mutually, pressure-bearing supporting is inserted on location-plate, be placed on crossbeam, central sill compresses supporting and is inserted on location-plate, transverse beam assembly is in the middle of pressure-bearing, and the side bar assembly that presses together is fixed together with fixed end supporting displacement case and uses bolt tightening.
Application number a kind of bridge extension joint that has been the disclosure of the invention of 201310486845.1, comprise the welded square tube of the rectangular shape of cross section of two both ends opens, be fixed on the pin of welded square tube both sides, brace summer, two side bar shaped steel be oppositely arranged, be fixed on the central sill shaped steel above brace summer, the two ends of brace summer are plugged in the endoporus of welded square tube respectively, the edge of a wing of side bar shaped steel is welded in inside welded square tube, the lower end of side bar shaped steel is fixed in shear spring upper end, the upper end of brace summer is fixed in shear spring lower end, support spring is arranged between brace summer and welded square tube, some installing holes are provided with bottom welded square tube, support spring is fixed by the securing member through installing hole, the stopping means moved left and right for limiting brace summer is installed in the endoporus of welded square tube.
Application number be 201410104313.1 patent of invention disclose a kind of rack-and-pinion bridge extension joint, comprise tooth bar, anchoring assembly, displacement case and crossbeam, displacement case is anchored in the beam-ends of bridge by pouring concrete, also comprises H type central sill, H type side bar, stage clip I, supporting I, stage clip II, supporting II, travelling carriage and waterproof adhesive tape; The inner chamber of displacement case establishes stage clip I and supporting I, and the two ends of crossbeam are by stage clip I and support I precompressed in displacement case; H type side bar and displacement case are fixed as one; Travelling carriage inner chamber establishes supporting II and stage clip II, and regulate the precompression between travelling carriage and crossbeam by adjustment bolt, travelling carriage is pressed on crossbeam in advance by supporting II and stage clip II, and can slide axially on crossbeam; H type central sill and travelling carriage are bolted and are integrated, and can slide on crossbeam along with travelling carriage in H type; Tooth bar is staggered, and one end of tooth bar is pressed on H type central sill by bolt in advance, and the other end is pressed on H type side bar in advance by bolt.
Application number is that 201410126790.8 patents of invention disclose a kind of bridge extension joint, the side bar shaped steel that it comprises bracing displacement case that two mirror images arrange, two ends are inserted in supporting traverse in two bracing displacement casees respectively, two mirror images are arranged and the central sill shaped steel be fixed on supporting traverse, side bar shaped steel is fixedly installed on upper edge inside bracing displacement case, is provided with waterstop between side bar shaped steel and central sill shaped steel; Supporting traverse comprises junction plate and is arranged at the fixed head at junction plate two ends, and junction plate and fixed head are hinged by rotating shaft, are provided with support spring between bracing displacement case and fixed head upper surface, are provided with sliding support between bracing displacement case and fixed head lower surface; Between junction plate and fixed head, the engagement in thread form, is provided with rubber ring between two engaging tooths.
The defect that prior art exists:
1, the end waterproof and water drainage existing problems of comb plate stretching device.
2, the end of modular expansion device can realize anti-side direction waterproof well, but can ponding in extreme lower position.
Utility model content
The utility model is in order to solve the waterproof of existing stretching device existence, long-pending water problem, and a kind of shrinkage joint drainage mechanism is provided, on the basis ensureing stretching device end waterproof effect, in time ponding can be discharged, prevent the safety problem brought because ponding freezes in the winter time.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is:
A kind of shrinkage joint drainage mechanism, it is characterized in that, comprise the drain hole be opened on the rubber strip of stretching device, described drain hole is equipped with drainage tube, the below of described drainage tube is arranged with catch basin, and one end of described catch basin is arranged on Liang Tishang, and the other end of described catch basin extend in discharge casing and also can slide in discharge casing, described discharge casing is arranged on adjacent Liang Tishang, and the lower end of described discharge casing is provided with outfall.
The lower end of described outfall is connected with the external connection row water pipe be communicated with deck drainage system.
Described catch basin is welded on the below of the side bar steel of Liang Tishang through shrouding and junction plate.
Described discharge casing to stretch in beam body and is welded on the below of side bar steel.
Described outfall is opened in the below being positioned at the external discharge casing of beam, of the present utility modelly also directly can be linked in bridge deck water-proof system by external connection row water pipe in beam body.
Described drain hole is opened in the least significant end of bridge extension joint lowest part rubber strip.
Upper end and the rubber strip of described drainage tube link together.
The described end being positioned at the catch basin of discharge casing is provided with filter.
Compared with prior art, the utility model has following beneficial effect:
Shrinkage joint of the present utility model drainage mechanism, comprise the drain hole be opened on the rubber strip of stretching device, described drain hole is equipped with drainage tube, the below of described drainage tube is arranged with catch basin, one end of described catch basin is arranged on Liang Tishang, the other end of described catch basin extend in discharge casing and also can slide in discharge casing, and described discharge casing is arranged on adjacent Liang Tishang, and the lower end of described discharge casing is provided with outfall.The utility model can solve the drainage problem that existing stretching device exists, and can be discharged by ponding in time, eliminate the safety problem caused because ponding freezes in the winter time.
The utility model does not change the overall structure of existing stretching device, has structure simple, practical feature.
The utility model can prevent foreign material from entering deck drainage system by rubber strip and filter simultaneously, can clear up, having and clearing up feature easily when there being accumulated slag in drainage mechanism outside stretching device nose.
Accompanying drawing explanation
Fig. 1 is the front view structural representation of stretching device;
Fig. 2 is the top view structural representation of stretching device;
Fig. 3 is the schematic diagram that drainage mechanism of the present utility model is arranged on stretching device;
Fig. 4 is the structural representation of drainage mechanism of the present utility model;
Fig. 5 is the scheme of installation of rubber strip of the present utility model and drainage tube;
Fig. 6 is the structural representation of filter of the present utility model;
Mark in figure: 1, side bar steel, 2, rubber strip, 3, middle joist steel, 4, aqueduct, 5, catch basin, 6, filter, 7, discharge casing, 8, outfall, 9, external connection row water pipe, 10, shrouding, 11, junction plate, 12, drain hole, 13, Liang Ti, 14, nose.
Detailed description of the invention
Below in conjunction with embodiment, the utility model will be further described, and described embodiment is only the utility model part embodiment, is not whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art, not making other embodiments used obtained under creative work prerequisite, belongs to protection domain of the present utility model.
By reference to the accompanying drawings, shrinkage joint of the present utility model drainage mechanism, comprise the drain hole 12 be opened on the rubber strip 2 of stretching device, described drain hole 12 is equipped with drainage tube 4, the below of described drainage tube 4 is arranged with catch basin 5, one end of described catch basin 5 is arranged on beam body 13, the other end of described catch basin 5 extend in discharge casing 7 and also can slide in discharge casing 7, because bridge extension joint can exist flexible situation in the process used, therefore in order to ensure the normal use of catch basin 5 and discharge casing 7, catch basin 5 can in discharge casing 7 relative sliding; Described discharge casing 7 is arranged on adjacent beam body 13, and the lower end of described discharge casing 7 is provided with outfall 8, and the rainwater of stretching device accumulation enters catch basin by drain hole and drainage tube, and then flows in discharge casing, eventually passes outfall and discharges.The utility model can solve the drainage problem that existing stretching device exists, and can be discharged by ponding in time, eliminate the safety problem caused because ponding freezes in the winter time.
As shown in Figure 1, Figure 2 and Figure 3, stretching device belongs to prior art, and those skilled in the art understands and understands, and does not repeat them here, and drainage mechanism of the present utility model is disposed in the below of the nose 14 of stretching device.Side bar steel 1, rubber strip 2, middle joist steel 3 and nose 14 that the utility model is told about are the part of conventional stretching device, and those skilled in the art can understand and understand, and does not repeat them here.
The utility model does not change the overall structure of existing stretching device, has structure simple, practical feature.
The lower end of outfall 8 of the present utility model is connected with the external connection row water pipe 9 be communicated with deck drainage system, is incorporated in deck drainage system by external connection row water pipe 9 by ponding, improves practicality of the present utility model.
As a kind of preferred mode of the utility model, catch basin 5 is welded on the below of the side bar steel 1 on beam body 13 through shrouding 10 and junction plate 11.
As a kind of preferred mode of the utility model, discharge casing 7 to stretch in beam body 13 and is welded on the below of side bar steel 1.Beam of the present utility model, offers groove on 13, is convenient to place discharge casing 7, and is welded on side bar steel and is fixed.
Outfall 8 of the present utility model is opened in the below of the discharge casing 7 be positioned at outside beam body 13, is convenient to the discharge of ponding and the installation of external connection row water pipe 9, improves practicality of the present utility model.Of the present utility modelly also directly can be linked in bridge deck water-proof system by external connection row water pipe in beam body.
Drain hole 12 of the present utility model is opened in the least significant end of rubber strip 2, is convenient to all ponding all to be drained, and prevents from forming ponding on rubber strip 2.
As a kind of preferred mode of the utility model, upper end and the rubber strip 2 of drainage tube 4 link together.
The end being positioned at the catch basin 5 of discharge casing 7 is provided with filter 6, that is to say that filter is arranged on the end of the catch basin 5 near long-pending discharge casing; The utility model can prevent foreign material from entering deck drainage system by rubber strip 2 and filter 6, can clear up, having and clearing up feature easily when there being accumulated slag in drainage mechanism outside the nose of stretching device.
Embodiment one
The shrinkage joint drainage mechanism of the present embodiment, comprise the drain hole be opened on the rubber strip of stretching device, described drain hole is equipped with drainage tube, the below of described drainage tube is arranged with catch basin, one end of described catch basin is arranged on Liang Tishang, the other end of described catch basin extend in discharge casing and also can slide in discharge casing, and described discharge casing is arranged on adjacent Liang Tishang, and the lower end of described discharge casing is provided with outfall.
Embodiment two
The shrinkage joint drainage mechanism of the present embodiment, comprise the drain hole be opened on the rubber strip of stretching device, described drain hole is equipped with drainage tube, the below of described drainage tube is arranged with catch basin, one end of described catch basin is arranged on Liang Tishang, the other end of described catch basin extend in discharge casing and also can slide in discharge casing, and described discharge casing is arranged on adjacent Liang Tishang, and the lower end of described discharge casing is provided with outfall.The lower end of described outfall is connected with the external connection row water pipe be communicated with deck drainage system.
Embodiment three
The shrinkage joint drainage mechanism of the present embodiment, comprise the drain hole be opened on the rubber strip of stretching device, described drain hole is equipped with drainage tube, the below of described drainage tube is arranged with catch basin, one end of described catch basin is arranged on Liang Tishang, the other end of described catch basin extend in discharge casing and also can slide in discharge casing, and described discharge casing is arranged on adjacent Liang Tishang, and the lower end of described discharge casing is provided with outfall.The lower end of described outfall is connected with the external connection row water pipe be communicated with deck drainage system.Described catch basin is welded on the below of the side bar steel of Liang Tishang through shrouding and junction plate.
Embodiment four
On the basis of above-mentioned any embodiment, described discharge casing to stretch in beam body and is welded on the below of side bar steel.
Embodiment five
On the basis of above-mentioned any embodiment, described outfall is opened in the below being positioned at the external discharge casing of beam.
Embodiment six
On the basis of above-mentioned any embodiment, described drain hole is opened in the least significant end of stretching device lowest part rubber strip.
Embodiment seven
On the basis of above-mentioned any embodiment, upper end and the rubber strip of described drainage tube link together.
Embodiment eight
On the basis of above-mentioned any embodiment, described in be positioned at the catch basin of discharge casing end be provided with filter.