CN204509988U - A kind of for multi-direction displacement comb tooth-shaped bridge extension joint - Google Patents
A kind of for multi-direction displacement comb tooth-shaped bridge extension joint Download PDFInfo
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- CN204509988U CN204509988U CN201520123314.0U CN201520123314U CN204509988U CN 204509988 U CN204509988 U CN 204509988U CN 201520123314 U CN201520123314 U CN 201520123314U CN 204509988 U CN204509988 U CN 204509988U
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Abstract
The utility model discloses a kind of for multi-direction displacement comb tooth-shaped bridge extension joint, solve the turning power that comb teeth shape bridge extension joint exists poor, beam body produces laterally, vertically, torsional deflection time, stretching device easily destroys and affects the problem of traffic safety.The utility model comprises the fixed tooth plate be arranged on a beam body and the swing tooth plate be arranged on another beam body, the other end of described swing tooth plate extends to the Liang Tishang installing fixed tooth plate, described fixed tooth plate and the interlaced distribution of swing tooth plate, described swing tooth plate is equipped with the multi-directional deflection seat for fixing swing tooth plate, described multi-directional deflection seat comprises spheric washer, rotating sphere, displacement ball seat and tetrafluoro packing ring, described spheric washer, rotating sphere, displacement ball seat is connected by bolts assemblies from top to bottom with tetrafluoro packing ring, described rotating sphere is set in the basin ring of displacement ball seat, the upper end of described rotating sphere is connected with swing tooth plate.
Description
Technical field
The utility model belongs to bridge technology field, is specifically related to a kind of for multi-direction displacement comb tooth-shaped bridge extension joint.
Background technology
The road retractor device that the displacement that current domestic speedway uses is greater than 160mm mainly contains modular expansion device and comb plate type stretching device, and it is better that modular expansion device adapts to the two vertical and lateral rotation of inscribing; Comb plate type stretching device have driving steadily, the advantage such as impact force is little, noise is little and fitting depth is more shallow.
Such as application number be 201010595118.5 patent of invention disclose a kind of comb plate bridge expansion device, there are fixed fingers plate, slip comb plate and fixed level support skid, fixed fingers plate and fixed level support skid are fixed with one, it is characterized in that: also include perpendicular gripper shoe and seven font anchor plates, left perpendicular gripper shoe, left seven font anchor plates, fixed level support skid three are fixed with one, and right perpendicular gripper shoe, right seven font anchor plates, slip comb plate three are fixed with one; Left seven font anchor plates and abutment or the left embedded bar of beam body are connected, and right seven font anchor plates and abutment or the right embedded bar of beam body are connected; Lead to straight reinforcing bar and horizontal horizontal bar formation steel mesh reinforcement and seven font anchor plate end faces by level to be connected, steel mesh reinforcement is built C50 concrete; Slip comb plate bottom surface or fixed level support skid end face process a little groove, fill up little groove, smear ointment between horizontal water proof rubber circle bar by water proof rubber circle bar card pressure.
Application number be 201020646299.5 utility model patent disclose a kind of comb-tooth bridge expansion device, comprise bottom and be provided with the left and right elastic base that fixed mechanism can be individually fixed in bridge beam body both sides, elastic base surface one of wherein arranges comb groove, forms the fixed end of stretching device; Be fixed with on another elastic base surface with comb plate corresponding to pectination groove, in the pectination groove that this comb plate part stretches into, form the movable end of stretching device; Elastic base form by adopting rubber, polyurethane or other macromolecular material with spring function; Be provided with corrosion resistant plate bottom pecten bar, in pectination groove, be provided with the slide plate that integrally formed polyfluortetraethylene plate is formed; The comb plate end stretched in pectination groove is chamfering ramp structure; The width forming the comb groove of stretching device fixed end is greater than the width of the comb plate stretched in this comb groove; The degree of depth of comb groove is equal to or greater than the thickness of the comb plate stretched in this comb groove; Left and right elastic base be modular organization; Water stop mechanism is provided with between left and right elastic base.
Application number be 201410679334.6 utility model patent disclose a kind of interdigitated electrode structure damping displacement bridge extension joint comprise fixed fingers plate, across seam comb plate, damping displacement assembly and baffle plate, fixed fingers plate mutually intersects with across the comb stitching comb plate and has gap, stride across the gap between bridge beam body one with bridge beam body two across seam comb plate and conjugate assembly by the damping be positioned under it and be connected with bridge beam body one with embedded bar, fixed fingers plate is fixedly connected with bridge beam body two with embedded bar by set bolt, damping displacement assembly comprises damping displacement case, two hexagon cavitys are provided with in damping displacement case, a bolt is provided with in each hexagon cavity, one end of bolt is positioned at hexagon cavity, the other end is positioned at outside hexagon cavity, and one end being positioned at hexagon cavity of bolt is with the hexagon bolt head corresponding to the shape of hexagon cavity, flexible material is filled with in hexagon cavity, the upper surface of damping displacement case is provided with beam, baffle plate comprises steel plate and " V " steel bar together with Plate Welding, " V " steel bar is cast in bridge beam body one, steel plate is arranged on bridge beam body one and across stitching comb plate and damping conjugates between assembly.
But the turning power of existing comb-shaped expansion device transverse direction is poor, when beam body produce laterally, vertical, torsional deflection time, stretching device easily destroys, and affects traffic safety.
Utility model content
The utility model is that the turning power in order to solve the existence of comb teeth shape bridge extension joint is poor, beam body produces laterally, vertical, torsional deflection time, stretching device easily destroys and affects the problem of traffic safety, and provide a kind of for multi-direction displacement comb tooth-shaped bridge extension joint, have the advantages that supporting capacity is strong, reliability is high, anti-fatigue life is long, multidirectional displacement capabilities is strong simultaneously, rotating property good, impact force is little, stable feature of driving a vehicle.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is:
A kind of for multi-direction displacement comb tooth-shaped bridge extension joint, comprise the fixed tooth plate be arranged on a beam body and the swing tooth plate be arranged on another beam body, the other end of described swing tooth plate extends to the Liang Tishang installing fixed tooth plate, described fixed tooth plate and the interlaced distribution of swing tooth plate, it is characterized in that, described swing tooth plate is equipped with the multi-directional deflection seat for fixing swing tooth plate, described multi-directional deflection seat comprises spheric washer, rotating sphere, displacement ball seat and tetrafluoro packing ring, described spheric washer, rotating sphere, displacement ball seat is connected by bolts assemblies from top to bottom with tetrafluoro packing ring, described rotating sphere is set in the basin ring of displacement ball seat, the upper end of described rotating sphere is connected with swing tooth plate.
Described displacement ball seat is connected with beam body through dowel.
Described rotating sphere is connected with swing tooth plate through bolt.
Elastic washer is provided with between described rotating sphere and swing tooth plate.
Described swing tooth plate is equipped for preventing the anti-upper jumping system that swing tooth plate is jumped, described anti-upper jumping system comprises casing and is arranged on the limit stick in casing, the upper surface of described casing is equipped with panel, described panel be provided with multiple pre-hydraulic support superposed between limit stick, described limit stick is connected with bolt, and the pre-hydraulic support of described screw bolt passes is connected with swing tooth plate with panel; Described casing is arranged on Liang Tishang through U-bolt.
The below of described fixed tooth plate is provided with stainless steel slide plate and rubber tile successively, and described fixed tooth plate, stainless steel slide plate and rubber tile are arranged on Liang Tishang through U-bolt, and described swing tooth plate is arranged on the upper of stainless steel slide plate.
Waterproofing system is provided with between the beam body of the Liang Tiyu installation swing tooth plate of described installation fixed tooth plate.
Compared with prior art, the utility model has following beneficial effect:
Stretching device of the present utility model can bear downwards simultaneously, upwards with the ability of horizontal load, horizontally rotating in vertical and horizontal of beam body can be adapted to, maximum vertical corner shell reaches 0.05rad, and maximum horizontal corner 0.02rad, has and rotate feature flexibly.Multi-directional deflection seat is with the rotating sphere of sphere and displacement ball seat to realize the vertical rotating of stretching device by it.When stretching device occurred level rotates, the multi-directional deflection seat under swing tooth plate can realize the rotation of horizontal direction, and multi-directional deflection seat rotates the rotation of its horizontal direction real by rotating sphere and the mutual occurred level of displacement ball seat.When rotating, between swing tooth plate and displacement ball seat can by be out of shape the object reaching the gap sealed between tooth plate and ball seat by the elastic washer of precompressed, meet thus beam body vertically, the requirement of the multi-directional deflection such as transverse direction and torsion.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is I-I sectional view of Fig. 1;
Fig. 3 is II-II sectional view of Fig. 1;
Fig. 4 is multi-directional deflection seat sectional view;
Fig. 5 is anti-upper jumping system sectional view;
Mark in figure: 1, fixed tooth plate, 2, swing tooth plate, 3, stainless steel slide plate, 4, rubber tile, 5, waterproofing system, 6, anti-on jump system, 7, multi-directional deflection seat, 8, dowel, 9, ball seat is conjugated, 10, elastic washer, 11, spheric washer, 12, bolt, 13, rotating sphere, 14, tetrafluoro packing ring, 15, packing ring, 16, limit stick, 17, casing, 18, U-bolt, 19, pre-hydraulic support, 20, panel, 21, bolt.
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, of the present utility model for multi-direction displacement comb tooth-shaped bridge extension joint, comprise the fixed tooth plate 1 be arranged on a beam body and the swing tooth plate 2 be arranged on another beam body, the other end of described swing tooth plate 2 extends to the Liang Tishang installing fixed tooth plate 1, described fixed tooth plate 1 and the interlaced distribution of swing tooth plate 2, displacement space is formed, to adapt to the telescopic displacement of bridge beam body between tooth and tooth; Described swing tooth plate 2 is equipped with the multi-directional deflection seat 7 for fixing swing tooth plate 2, and when multi-directional deflection seat moves in design displacement range simultaneously, be overlapping between the comb of fixed tooth plate 1 and swing tooth plate 2 part, must not depart from completely between two teeth.Described multi-directional deflection seat comprises spheric washer 11, rotating sphere 13, displacement ball seat 9 and tetrafluoro packing ring 14, described spheric washer 11, rotating sphere 13, displacement ball seat 9 and tetrafluoro packing ring 14 are from top to bottom by bolt 12 assembly connection, described rotating sphere 13 is set in the basin ring of displacement ball seat 9, and the upper end of described rotating sphere 13 is connected with swing tooth plate 2.By reference to the accompanying drawings 4, the below of tetrafluoro packing ring 14 is also equipped with packing ring 15, for improving the tightness of installation.In the process of installing, rotating sphere 13 and bolt 12 have the space of horizontal movement.Stretching device of the present utility model can bear downwards simultaneously, upwards with the ability of horizontal load, horizontally rotating in vertical and horizontal of beam body can be adapted to, maximum vertical corner shell reaches 0.05rad, and maximum horizontal corner 0.02rad, has and rotate feature flexibly.Multi-directional deflection seat is with the rotating sphere of sphere and displacement ball seat to realize the vertical rotating of stretching device by it.When stretching device occurred level rotates, the multi-directional deflection seat under swing tooth plate can realize the rotation of horizontal direction, and multi-directional deflection seat rotates the rotation of its horizontal direction real by rotating sphere and the mutual occurred level of displacement ball seat.When rotating, between swing tooth plate and displacement ball seat can by be out of shape the object reaching the gap sealed between tooth plate and ball seat by the elastic washer of precompressed, meet thus beam body vertically, the requirement of the multi-directional deflection such as transverse direction and torsion; The utility model adopts spherical tension compression bearing, has that supporting capacity is strong, reliability is high, impact force is little, stable feature of driving a vehicle.
Multi-directional deflection seat of the present utility model has wear automatic-compensation function simultaneously, has the advantages that anti-fatigue life is long.
As a kind of preferred mode of the utility model, displacement ball seat 9 of the present utility model is connected with beam body through dowel 2; Rotating sphere 13 is connected with swing tooth plate 2 through bolt.
Preferably, the gap between bolt 12 and displacement ball seat 9 is less than the gap conjugated between ball seat 9 and rotating sphere 13.
Be provided with elastic washer 10 between rotating sphere 13 of the present utility model and swing tooth plate 2, the object in the gap between sealing tooth plate and ball seat can be reached by the elastic washer 10 of precompressed by distortion, improve practicality of the present utility model.
By reference to the accompanying drawings 5, swing tooth plate is equipped for preventing the anti-upper jumping system 6 that swing tooth plate is jumped, the limit stick 16 that described anti-upper jumping system 6 comprises casing 17 and is arranged in casing 17; The upper surface of described casing 17 is equipped with panel 20, described panel 20 be provided with multiple pre-hydraulic support 19 superposed between limit stick 16, described limit stick 16 is connected with bolt 21, described bolt 21 is connected with swing tooth plate 2 with panel 20 through pre-hydraulic support 19 successively, preferably, limit stick 16 length is consistent with casing 17 catercorner length, can prevent tight a bolt 21 time bolt rotate with nut; Described casing 17 is arranged on Liang Tishang through U-bolt 18.Pre-hydraulic support 19 applies the active force continued, and connects swing tooth plate 2 and beam body, makes swing tooth plate 2 can compress bridge pontic all the time as much as possible.
Preferably, the below of fixed tooth plate 1 of the present utility model is provided with stainless steel slide plate 3 and rubber tile 4 successively, described fixed tooth plate 1, stainless steel slide plate 3 and rubber tile 4 are arranged on Liang Tishang through U-bolt, described swing tooth plate 2 is arranged on the upper of stainless steel slide plate, that is to say that swing tooth plate 2 to be pressed on stainless steel slide plate 3.
Be provided with waterproofing system 5 between the beam body of the Liang Tiyu installation swing tooth plate 2 of installation fixed tooth plate 1 of the present utility model, improve practicality of the present utility model.
Embodiment one
The present embodiment for multi-direction displacement comb tooth-shaped bridge extension joint, comprise the fixed tooth plate be arranged on a beam body and the swing tooth plate be arranged on another beam body, the other end of described swing tooth plate extends to the Liang Tishang installing fixed tooth plate, described fixed tooth plate and the interlaced distribution of swing tooth plate, described swing tooth plate is equipped with the multi-directional deflection seat for fixing swing tooth plate, described multi-directional deflection seat comprises spheric washer, rotating sphere, displacement ball seat and tetrafluoro packing ring, described spheric washer, rotating sphere, displacement ball seat is connected by bolts assemblies from top to bottom with tetrafluoro packing ring, described rotating sphere is set in the basin ring of displacement ball seat, the upper end of described rotating sphere is connected with swing tooth plate.
Embodiment two
The present embodiment for multi-direction displacement comb tooth-shaped bridge extension joint, comprise the fixed tooth plate be arranged on a beam body and the swing tooth plate be arranged on another beam body, the other end of described swing tooth plate extends to the Liang Tishang installing fixed tooth plate, described fixed tooth plate and the interlaced distribution of swing tooth plate, described swing tooth plate is equipped with the multi-directional deflection seat for fixing swing tooth plate, described multi-directional deflection seat comprises spheric washer, rotating sphere, displacement ball seat and tetrafluoro packing ring, described spheric washer, rotating sphere, displacement ball seat is connected by bolts assemblies from top to bottom with tetrafluoro packing ring, described rotating sphere is set in the basin ring of displacement ball seat, the upper end of described rotating sphere is connected with swing tooth plate, described displacement ball seat is connected with beam body through dowel.
Embodiment three
The present embodiment for multi-direction displacement comb tooth-shaped bridge extension joint, comprise the fixed tooth plate be arranged on a beam body and the swing tooth plate be arranged on another beam body, the other end of described swing tooth plate extends to the Liang Tishang installing fixed tooth plate, described fixed tooth plate and the interlaced distribution of swing tooth plate, described swing tooth plate is equipped with the multi-directional deflection seat for fixing swing tooth plate, described multi-directional deflection seat comprises spheric washer, rotating sphere, displacement ball seat and tetrafluoro packing ring, described spheric washer, rotating sphere, displacement ball seat is connected by bolts assemblies from top to bottom with tetrafluoro packing ring, described rotating sphere is set in the basin ring of displacement ball seat, the upper end of described rotating sphere is connected with swing tooth plate, described displacement ball seat is connected with beam body through dowel, described rotating sphere is connected with swing tooth plate through bolt, elastic washer is provided with between described rotating sphere and swing tooth plate.
Embodiment four
The present embodiment is on the basis of embodiment three, increase and be provided with anti-upper jumping system, described swing tooth plate is equipped for preventing the anti-upper jumping system that swing tooth plate is jumped, described anti-upper jumping system comprises casing and is arranged on the limit stick in casing, the upper surface of described casing is equipped with panel, described panel be provided with multiple pre-hydraulic support superposed between limit stick, described limit stick is connected with bolt, and the pre-hydraulic support of described screw bolt passes is connected with swing tooth plate with panel; Described casing is arranged on Liang Tishang through U-bolt; Make swing tooth plate 2 can compress bridge pontic all the time as much as possible.
Embodiment five
On the basis of embodiment four, the below of the fixed tooth plate of the present embodiment is provided with stainless steel slide plate and rubber tile successively, described fixed tooth plate, stainless steel slide plate and rubber tile are arranged on Liang Tishang through U-bolt, and described swing tooth plate is arranged on the upper of stainless steel slide plate.
Embodiment six
On the basis of above-mentioned any embodiment, between the beam body that the Liang Tiyu of the installation fixed tooth plate of the present embodiment installs swing tooth plate, be provided with waterproofing system, thus prevent the rainwater assembled from seepage between two beam bodies.
Claims (7)
1. one kind for multi-direction displacement comb tooth-shaped bridge extension joint, comprise the fixed tooth plate be arranged on a beam body and the swing tooth plate be arranged on another beam body, the other end of described swing tooth plate extends to the Liang Tishang installing fixed tooth plate, described fixed tooth plate and the interlaced distribution of swing tooth plate, it is characterized in that, described swing tooth plate is equipped with the multi-directional deflection seat for fixing swing tooth plate, described multi-directional deflection seat comprises spheric washer, rotating sphere, displacement ball seat and tetrafluoro packing ring, described spheric washer, rotating sphere, displacement ball seat is connected by bolts assemblies from top to bottom with tetrafluoro packing ring, described rotating sphere is set in the basin ring of displacement ball seat, the upper end of described rotating sphere is connected with swing tooth plate.
2. according to claim 1ly it is characterized in that for multi-direction displacement comb tooth-shaped bridge extension joint, described displacement ball seat is connected with beam body through U-bolt.
3. according to claim 2ly it is characterized in that for multi-direction displacement comb tooth-shaped bridge extension joint, described rotating sphere is connected with swing tooth plate through bolt.
4. according to claim 3ly to it is characterized in that for multi-direction displacement comb tooth-shaped bridge extension joint, between described rotating sphere and swing tooth plate, be provided with elastic washer.
5. arbitrary described for multi-direction displacement comb tooth-shaped bridge extension joint according to claim 1-4, it is characterized in that, described swing tooth plate is equipped for preventing the anti-upper jumping system that swing tooth plate is jumped, described anti-upper jumping system comprises casing and is arranged on the limit stick in casing, the upper surface of described casing is equipped with panel, described panel be provided with multiple pre-hydraulic support superposed between limit stick, described limit stick is connected with bolt, and the pre-hydraulic support of described screw bolt passes is connected with swing tooth plate with panel; Described casing is arranged on Liang Tishang through U-bolt.
6. according to claim 5 for multi-direction displacement comb tooth-shaped bridge extension joint, it is characterized in that, the below of described fixed tooth plate is provided with stainless steel slide plate and rubber tile successively, described fixed tooth plate, stainless steel slide plate and rubber tile are arranged on Liang Tishang through U-bolt, and described swing tooth plate is arranged on the upper of stainless steel slide plate.
7. according to claim 6ly to it is characterized in that for multi-direction displacement comb tooth-shaped bridge extension joint, between the beam body that the Liang Tiyu of described installation fixed tooth plate installs swing tooth plate, be provided with waterproofing system.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520123314.0U CN204509988U (en) | 2015-03-03 | 2015-03-03 | A kind of for multi-direction displacement comb tooth-shaped bridge extension joint |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520123314.0U CN204509988U (en) | 2015-03-03 | 2015-03-03 | A kind of for multi-direction displacement comb tooth-shaped bridge extension joint |
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| CN204509988U true CN204509988U (en) | 2015-07-29 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107178032A (en) * | 2017-07-25 | 2017-09-19 | 上海通亿橡塑制品有限公司 | A kind of pair of skeleton symbol multi-directional deflection fishback retractor device |
| CN107558359A (en) * | 2016-06-30 | 2018-01-09 | 上海英谷桥梁科技有限公司 | A kind of interdigitated electrode structure Multidirectional displacement bridge expansion device |
-
2015
- 2015-03-03 CN CN201520123314.0U patent/CN204509988U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107558359A (en) * | 2016-06-30 | 2018-01-09 | 上海英谷桥梁科技有限公司 | A kind of interdigitated electrode structure Multidirectional displacement bridge expansion device |
| CN107178032A (en) * | 2017-07-25 | 2017-09-19 | 上海通亿橡塑制品有限公司 | A kind of pair of skeleton symbol multi-directional deflection fishback retractor device |
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