CN207862760U - Bridge expanssion joint and bridge - Google Patents
Bridge expanssion joint and bridge Download PDFInfo
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- CN207862760U CN207862760U CN201820009201.1U CN201820009201U CN207862760U CN 207862760 U CN207862760 U CN 207862760U CN 201820009201 U CN201820009201 U CN 201820009201U CN 207862760 U CN207862760 U CN 207862760U
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Abstract
The utility model is related to technical field of bridge engineering, more particularly, to a kind of bridge expanssion joint and bridge.Bridge expanssion joint, including the first mounting bracket, the second mounting bracket, yielding rubber body and drainage plate；First mounting bracket and the second mounting bracket are both provided with groove, and the notch of two grooves is opposite, and gap setting between the thickness face of the cell wall of two grooves；Yielding rubber body is between the first mounting bracket and the second mounting bracket, through-hole is offered on the length direction of yielding rubber body, the upper surface of yielding rubber body is abutted with the inner surface of the upper cell wall of two grooves, the lower surface of yielding rubber body is abutted with the inner surface of the lower cell wall of two grooves, the upper surface of yielding rubber body is provided with the portion of protruding above, the thickness face for protruding above portion is abutted with the thickness face of upper cell wall, and the thickness for protruding above portion is less than the thickness of upper cell wall；Drainage plate is for hydrops to be discharged.Bridge, including the bridge expanssion joint.The utility model shock resistance is strong and is not easy to plug.
Description
Technical field
The utility model is related to technical field of bridge engineering, more particularly, to a kind of bridge expanssion joint and bridge.
Background technology
Bridge expanssion joint refer to for meet bridge floor deformation requirement, usually between two beam-ends, between beam-ends and abutment or
The expansion joint being arranged in the articulated position of bridge.The effect of bridge expanssion joint is to adjust by vehicular load and bridge construction material
Displacement between caused superstructure and connection are played the role of the stability of bridge structure vital.
It is therefore desirable to expansion joint can freely stretch in both directions parallel, perpendicular to bridge axes, it is solid and reliable,
When vehicle crosses should it is steady, jolt without kick and noise；Simultaneously, it has to be possible to prevent rainwater and rubbish soil from largely penetrating into；Peace
Dress, inspection, maintenance and elimination dirt will simple and convenients.
Currently, common bridge expanssion joint shock resistance is poor, it is difficult to meet the requirement of big displacement quantity, when using one section
Between after, vehicle can be generated due to impact when passing through it is larger jolt and vibration sound, and prolonged impact can cause to stretch
Stripping, the serious bond strength reduced between the two are generated between contracting seam component and bridge ground.In addition, existing flexible
The problem of crack structure is blocked there is also roof leaking, leak and sundries.
Utility model content
The purpose of this utility model is to provide a kind of bridge expanssion joints, to solve to resist existing for existing bridge expanssion joint
Impact property difference and easy the technical issues of seeping water and being blocked by sundries.
The purpose of this utility model, which also resides in, provides a kind of bridge, to solve existing bridge because using existing bridge to stretch
The technical issues of contracting stitches and leads to structural instability.
Based on above-mentioned first purpose, the utility model provides a kind of bridge expanssion joint, including the first mounting bracket, the second peace
It shelves, yielding rubber body and drainage plate；
First mounting bracket is both provided with groove with second mounting bracket, and the notch of two grooves is opposite, and
Gap setting between the thickness face of the cell wall of two grooves；
The yielding rubber body between first mounting bracket and second mounting bracket, the yielding rubber body
Through-hole is offered on length direction, the upper surface of the yielding rubber body and the inner surface of the upper cell wall of two grooves support
It connects, the lower surface of the yielding rubber body is abutted with the inner surface of the lower cell wall of two grooves, the yielding rubber body
Upper surface is provided with the portion of protruding above, and the thickness face for protruding above portion is abutted with the thickness face of the upper cell wall, and described convex
The thickness for going out portion is less than the thickness of the upper cell wall；The lower surface of the yielding rubber body is provided with lower protrusion, convex under described
The thickness face for going out portion is abutted with the thickness face of the lower cell wall；
The drainage plate is located at the lower section of the yielding rubber body, and a length sides and described first for the drainage plate
Mounting bracket is fixedly connected, another length sides of the drainage plate are fixedly connected with second mounting bracket, and the drainage plate is used
It is discharged in by hydrops.
Further, the difference between the thickness of the upper cell wall and the thickness for protruding above portion is 1~3mm.
Further, the quantity of the through-hole is three, and three through-holes are respectively first through hole, the second through-hole and the
Three through-holes, second through-hole is between the first through hole and the third through-hole.
Further, the width of the width of the first through hole and the third through-hole is respectively less than the width of second through-hole
Degree.
Further, first mounting bracket is provided with multiple first reinforcing ribs, and second mounting bracket is provided with multiple
Second reinforcing rib, first reinforcing rib are located at second reinforcing rib in two grooves.
Further, the distance between plate face of two neighboring first reinforcing rib is 10~30cm, two neighboring institute
It is 10~30cm to state the distance between plate face of the second reinforcing rib；First reinforcing rib is symmetrically set with second reinforcing rib
It sets or first reinforcing rib is shifted to install with second reinforcing rib.
Further, further include pressing plate, the pressing plate is connect by bolt with the lower cell wall of the groove, the drainage plate
Length sides between the pressing plate and the lower cell wall of the groove.
Further, rounding off, institute between the thickness face for protruding above portion and the upper surface of the yielding rubber body
State rounding off between the thickness face in the portion of protruding above and the upper surface of the yielding rubber body.
Further, the shape of the through-hole is one or more of rectangle, circle, ellipse or spindle.
Based on above-mentioned second purpose, the utility model additionally provides a kind of bridge, including the bridge expanssion joint.
Compared with prior art, the beneficial effects of the utility model are：
Bridge expanssion joint provided by the utility model, including the first mounting bracket, the second mounting bracket, yielding rubber body and drainage
Plate；First mounting bracket is both provided with groove with second mounting bracket, and the notch of two grooves is opposite, and two institutes
State gap setting between the thickness face of the cell wall of groove；The yielding rubber body is located at first mounting bracket pacifies with described second
Between shelving, through-hole, the upper surface of the yielding rubber body and two institutes are offered on the length direction of the yielding rubber body
The inner surface for stating the upper cell wall of groove abuts, the interior table of the lower surface of the yielding rubber body and the lower cell wall of two grooves
Face abuts, and the upper surface of the yielding rubber body is provided with the portion of protruding above, the thickness face for protruding above portion and the upper cell wall
Thickness face abut, and the thickness for protruding above portion be less than the upper cell wall thickness；The lower surface of the yielding rubber body
It is provided with lower protrusion, the thickness face of the lower protrusion is abutted with the thickness face of the lower cell wall；The drainage plate is located at institute
The lower section of yielding rubber body is stated, and a length sides of the drainage plate are fixedly connected with first mounting bracket, the drainage
Another length sides of plate are fixedly connected with second mounting bracket, and the drainage plate is for hydrops to be discharged.The utility model
The bridge expanssion joint of offer, on the one hand, by supporting the upper surface of yielding rubber body and the inner surface of the upper cell wall of two grooves
It connects, and the lower surface of yielding rubber body is abutted with the inner surface of the lower cell wall of two grooves, meanwhile, by the thickness in the portion that protrudes above
Face is abutted with the thickness face of upper cell wall, and the thickness face of lower protrusion is abutted with the thickness face of lower cell wall, such mode energy
The enough integrally-built shock resistance of enhancing bridge expanssion joint and tightness, be effectively prevented the sundries such as dust and sandstone fall into it is recessed
In slot.On the other hand, the thickness for protruding above portion is less than the thickness of upper cell wall, that is to say, that in a state of use, and does not have external force
Under percussion, protrude above portion upper surface be located at upper cell wall outer surface lower section, and when yielding rubber body is squeezed punching
The effect of hitting and when deforming upon, the outer surface of upper cell wall will not be higher than by protruding above the upper surface in portion, can either be reduced in this way pair
The impact of vehicle, prevents vehicle from jolting, and vehicle can be prevented to protruding above the abrasion in portion, to extend bridge expanssion joint
Service life.Meanwhile through-hole is opened up on the length direction of yielding rubber body, when there is vehicle to be crossed from bridge expanssion joint,
Or when the bridge floor expanded by heating of bridge expanssion joint both sides, pinch shock can be generated to yielding rubber body, due to yielding rubber body
Equipped with through-hole, pinch shock effect can absorb a part by through-hole, to reduce the shape of yielding rubber body in the vertical direction
Variable further prevents the upper surface for protruding above portion to be higher than the outer surface of upper cell wall.In addition, by the lower section of yielding rubber body
Drainage plate is set, the hydrops such as rainwater or sewage can be discharged, avoid bridge floor seeping phenomenon.
Bridge provided by the utility model improves bridge due to the use of bridge expanssion joint provided by the utility model
Structural stability, the percussion to vehicle can be effectively reduced, prevent vehicle from jolting, meanwhile, bridge floor is less prone to product
Water phenomenon, to ensure that vehicle traveling is smooth, safe.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific implementation mode or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, other drawings may also be obtained based on these drawings.
Fig. 1 is the overlooking structure diagram for the bridge expanssion joint that the utility model embodiment one provides；
Fig. 2 is the sectional view along line A-A of Fig. 1；
Fig. 3 is the partial enlarged view at B in Fig. 2；
Fig. 4 is the structural schematic diagram for the yielding rubber body that the utility model embodiment one provides；
Fig. 5 is a kind of structural schematic diagram of the variation for the bridge expanssion joint that the utility model embodiment one provides.
Icon：101- anchor ribs；102- yielding rubber bodies；103- drainage plates；The upper cell walls of 104-；Cell wall under 105-；106-
Slot bottom；107- protrudes above portion；Protrusion under 108-；The first reinforcing ribs of 109-；The second reinforcing ribs of 110-；111- first through hole；
The second through-holes of 112-；113- third through-holes；114- pressing plates；115- bolts.
Specific implementation mode
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
The every other embodiment that field those of ordinary skill is obtained without making creative work, belongs to this practicality
Novel protected range.
In the description of the present invention, it should be noted that such as occur term "center", "upper", "lower", " left side ",
The orientation or positional relationship on " right side ", "vertical", "horizontal", "inner", "outside" etc., instruction is orientation based on ... shown in the drawings or position
Relationship is set, is merely for convenience of describing the present invention and simplifying the description, device or element are not indicated or implied the indicated
It must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.This
Outside, such as there is term " first ", " second ", " third " are used for description purposes only, be not understood to indicate or imply relatively heavy
The property wanted.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, such as there is term
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, can also be electrical connection；It can be directly connected, it can also be indirect by intermediary
It is connected, can is the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
Embodiment one
Fig. 1 is the overlooking structure diagram for the bridge expanssion joint that the utility model embodiment one provides；Fig. 2 is the edge of Fig. 1
The sectional view of line A-A；Fig. 3 is the partial enlarged view at B in Fig. 2；Fig. 4 is the yielding rubber that the utility model embodiment one provides
The structural schematic diagram of body；Fig. 5 is a kind of structural representation of the variation for the bridge expanssion joint that the utility model embodiment one provides
Figure.Shown in Fig. 1 to Fig. 5, a kind of bridge expanssion joint is present embodiments provided, including the first mounting bracket, the second mounting bracket, slow
Rush rubber bodies 102 and drainage plate 103；First mounting bracket and the second mounting bracket are both provided with groove, and the notch of two grooves is opposite,
And gap setting between the thickness face of the cell wall of two grooves；Under normal conditions, between the thickness face of the cell wall of two grooves
Distance is 4cm, i.e. the width at expansion joint is usually 4cm, and other distance values can also be selected according to practice of construction situation.This reality
It applies in example, the first mounting bracket includes shaped steel and multiple anchor ribs 101, and shaped steel has groove, and the section of shaped steel can be c-type (slot
Steel), I-steel, H-type, E types or F types etc., in the present embodiment, using channel steel, the technology of the present embodiment for a clear description
Scheme illustrates each section of channel steel：In a state of use, the side wall of the close bridge floor of channel steel is upper cell wall 104, channel steel
Separate bridge floor side wall be lower cell wall 105, part connect with upper cell wall 104 and lower cell wall 105 be slot bottom 106.Anchor rib
101 are fixedly connected with slot bottom 106, and multiple anchor ribs 101 are arranged along the length direction interval of channel steel, and optionally, anchor rib 101 is in
U-shaped.The structure of second mounting bracket is identical as the structure of the first mounting bracket.Yielding rubber body 102 is located at the first mounting bracket and second
Between mounting bracket, i.e., yielding rubber body 102 is located between two channel steels, is offered on the length direction of yielding rubber body 102 logical
Hole, such as：Through-hole is circular hole, and the center line of circular hole is parallel with the length direction of yielding rubber body 102.Yielding rubber body 102
Upper surface is abutted with the inner surface of the upper cell wall 104 of two grooves, the lower slot of the lower surface of yielding rubber body 102 and two grooves
The inner surface of wall 105 abuts, preferably, the gap between face and the inner surface of slot bottom 106 of growing tall of yielding rubber body 102 is set
It sets；The upper surface of yielding rubber body 102 is provided with the portion of protruding above 107, protrudes above the thickness in the thickness face and upper cell wall 104 in portion 107
Degree face abuts, and protrudes above the thickness d in portion 1071Less than the thickness d of upper cell wall 1042；The lower surface of yielding rubber body 102 is arranged
There are lower protrusion 108, the thickness face of lower protrusion 108 to be abutted with the thickness face of lower cell wall 105；Drainage plate 103 is located at buffering rubber
The lower section of colloid 102, and a length sides of drainage plate 103 are fixedly connected with the first mounting bracket, another length of drainage plate 103
Degree side is fixedly connected with the second mounting bracket, that is to say, that two length sides of drainage plate 103 lower cell wall with two grooves respectively
105 are fixedly connected, and drainage plate 103 is for hydrops to be discharged.In the present embodiment, flexible rubber may be used in drainage plate 103
Rubber slab is bent forming V-shape, and is fixed together with lower cell wall 105 by plate, drainage trough is formed, for hydrops such as rainwater, sewage
Outflow.It should be noted that when drainage plate 103 transforms into tabular, the width of drainage plate 103 is more than the width at expansion joint, to protect
Card drainage plate 103 will not be pulled off.
Bridge expanssion joint provided in this embodiment, on the one hand, by by the upper surface of yielding rubber body 102 and two grooves
The inner surface of upper cell wall 104 abut, and by the interior table of the lower surface of yielding rubber body 102 and the lower cell wall 105 of two grooves
Face abuts, meanwhile, the thickness face in the portion that protrudes above 107 is abutted with the thickness face of upper cell wall 104, and by the thickness of lower protrusion 108
Degree face is abutted with the thickness face of lower cell wall 105, and such mode can enhance the integrally-built shock resistance of bridge expanssion joint
And tightness, it is effectively prevented the sundries such as dust and sandstone and falls into groove.On the other hand, the thickness for protruding above portion 107 is less than
The thickness of upper cell wall 104, that is to say, that in a state of use, and without under external impacts effect, protruding above the upper table in portion 107
Face is located at the lower section of the outer surface of upper cell wall 104, and when yielding rubber body 102 be squeezed percussion and when deforming upon,
The outer surface of upper cell wall 104 will not be higher than by protruding above the upper surface in portion 107, can either be reduced the impact to vehicle in this way, be prevented
Only vehicle jolts, and vehicle can be prevented to protruding above the abrasion in portion 107, to extend the service life of bridge expanssion joint.
Meanwhile through-hole is opened up on the length direction of yielding rubber body 102, when there is vehicle to be crossed from bridge expanssion joint, or work as bridge
When the bridge floor expanded by heating of beam expansion joint both sides, pinch shock can be generated to yielding rubber body 102, due to yielding rubber body 102
Equipped with through-hole, pinch shock effect can absorb a part by through-hole, to reduce yielding rubber body 102 in the vertical direction
Deformation quantity further prevents the upper surface for protruding above portion 107 to be higher than the outer surface of upper cell wall 104.By the way that through-hole is arranged, additionally it is possible to
Reduced the noise generated when vehicle.In addition, by the way that drainage plate 103 is arranged in the lower section of yielding rubber body 102, can by rainwater or
The hydrops such as sewage are discharged, and avoid bridge floor seeping phenomenon.
In the present embodiment, the material of yielding rubber body 102 is ethylene propylene diene rubber, and ethylene propylene diene rubber is by ethylene, third
Alkene is re-introduced into Third monomer (ENB) through rubber made of solution copolymerization.Ethylene propylene diene rubber is substantially a kind of height of saturation
Polymers has good ageing-resistant performance, resistance to weather, water resistance, electrical insulation capability and chemical resistance, and with higher
Elasticity and extensibility, impact resistance and resistance to tearing are stronger, have splendid dimensional stability and extensive thermal adaptability.
It should be noted that the material of drainage plate 103 may be ethylene propylene diene rubber.
Drainage plate 103 in the present embodiment is not easy to be torn breakage, seeps water under bridge so as to be effectively prevented from.
It is shown in Figure 3 in the alternative of the present embodiment, the thickness d of upper cell wall 1042With the thickness in the portion that protrudes above 107
d1Between difference be 1~3mm.Optionally, which can be 1mm, 1.5mm, 2mm, 2.5 or 3mm.
The thickness d of upper cell wall 1042With the thickness d in the portion that protrudes above 1071Between difference it is too small, when yielding rubber body 102 by
When acting on and deforming upon to pinch shock, the upper surface for protruding above portion 107 is easy the outer surface beyond upper cell wall 104, in this way
Vehicle is may result in jolt, meanwhile, vehicle can cause to wear to protruding above portion 107, shorten the service life of bridge expanssion joint.
The thickness d of upper cell wall 1042With the thickness d in the portion that protrudes above 1071Between difference it is excessive, stretched when vehicle crosses bridge
When contracting seam, it is equivalent to and crosses a hole, tire is caused to impact, causes to jolt.
Shown in Figure 4 in the alternative of the present embodiment, the quantity of through-hole is three, and three through-holes are respectively first
Through-hole 111, the second through-hole 112 and third through-hole 113, the second through-hole 112 is between first through hole 111 and third through-hole 113.
Optionally, first through hole 111, the second through-hole 112 are parallel with the depth direction of third through-hole 113.
In the alternative, the width of first through hole 111 is respectively less than the second through-hole 112 with the width of third through-hole 113
Width.
Shown in Figure 4, the shape of first through hole 111, the second through-hole 112 and third through-hole 113 is rectangle, and second is logical
Hole 112 is located at the lower section for protruding above portion 107, the width w of first through hole 1111With the width w of third through-hole 1133Respectively less than second
The width w of through-hole 1122, such mode makes the second through-hole 112 have the function of stronger absorption deformation, is effectively prevented
It protrudes above the upper surface in portion 107 and exceeds the outer surface of upper cell wall 104 because the deformation of yielding rubber body 102 is excessive.
It should be noted that the quantity of through-hole is not only limited to three, can also freely be chosen according to practice of construction situation
The through-hole of other quantity, to realize the function of buffering noise reduction；For the through-hole of other quantity, this embodiment is not repeated.
In the alternative of the present embodiment, the first mounting bracket is provided with multiple first reinforcing ribs 109, the setting of the second mounting bracket
There are multiple second reinforcing ribs 110, the first reinforcing rib 109 and the second reinforcing rib 110 to be located in two grooves.
In a possible design, the first reinforcing rib 109 and the second reinforcing rib 110 are plate-like, the first reinforcing rib 109
Between the slot bottom 106 and yielding rubber body 102 of the first mounting bracket, the inner surface of the first reinforcing rib 109 and upper cell wall 104,
The inner surface of lower cell wall 105 and the inner surface of slot bottom 106 are fixedly connected, and plate face and the upper cell wall 104 of the first reinforcing rib 109 hang down
Directly.Second reinforcing rib 110 is located between the slot bottom 106 and yielding rubber body 102 of the second mounting bracket, the second reinforcing rib 110 with it is upper
The inner surface of the inner surface of cell wall 104, the inner surface of lower cell wall 105 and slot bottom 106 is fixedly connected, the second reinforcing rib 110
Plate face is vertical with upper cell wall 104.
In the alternative of the present embodiment, the distance between plate face of two neighboring first reinforcing rib 109 is 10~30cm,
The distance between plate face of two neighboring second reinforcing rib 110 is 10~30cm；It is shown in Figure 1, the first reinforcing rib 109 and
Two reinforcing ribs 110 are symmetrical arranged.Optionally, the distance between plate face of two neighboring first reinforcing rib 109 is 20cm.
It should be noted that can freely be chosen according to the length of channel steel two neighboring first reinforcing rib 109 plate face it
Between distance enhance the compression strength of channel steel to play the role of reinforcing.
Shown in Figure 5 in another alternative of the present embodiment, the first reinforcing rib 109 and the second reinforcing rib 110 misplace
Setting.In the program, the distance between plate face of two neighboring first reinforcing rib 109 and two neighboring second reinforcing rib 110
The distance between plate face may be the same or different, and reduce difficulty of processing.
It is shown in Figure 2 in the alternative of the present embodiment, further include pressing plate 114, pressing plate 114 by bolt 115 with it is recessed
The lower cell wall 105 of slot connects, and the length sides of drainage plate 103 are located between pressing plate 114 and the lower cell wall 105 of groove.
In the alternative, the quantity of pressing plate 114 is two, and two pressing plates 114 are connect with two lower cell walls 105 respectively.
Pressing plate 114 and lower cell wall 105 be both provided with 115 matched threaded hole of bolt, when mounted, by the length of drainage plate 103
While being placed between pressing plate 114 and the lower cell wall 105 of groove, bolt 115 is tightened, the length sides of drainage plate 103 are fixed
Between pressing plate 114 and lower cell wall 105.
In the present embodiment, the length sides of drainage plate 103 are additionally provided with multiple connecting holes, and multiple connecting holes are along drainage plate 103
The setting of length direction interval, bolt 115 can wear and in connecting hole, further prevent 103 loose or dislocation of drainage plate.
In the alternative of the present embodiment, circle between the thickness face in portion 107 and the upper surface of yielding rubber body 102 is protruded above
It slips over and crosses, protrude above rounding off between the thickness face in portion 107 and the upper surface of yielding rubber body 102.Such mode can
Enhancing yielding rubber body 102 and the crush resistance strength for protruding above the connecting portion between portion 107, prevent from being broken, to extend
The service life of bridge expanssion joint.
In the alternative of the present embodiment, the shape of through-hole is one kind or several in rectangle, circle, ellipse or spindle
Kind.
In the present embodiment, the shape of through-hole is rectangle, and such mode makes the processing of yielding rubber body 102 compare appearance
Easily, and applicable range is wider, and shock resistance is preferable.
It should be noted that the shape of through-hole can also be round, ellipse or spindle.Fusiform through-hole can
So that can be sprung back rapidly after 102 stress deformation of yielding rubber body.
Embodiment two
A kind of bridge is present embodiments provided, including the bridge expanssion joint that the utility model embodiment one provides.
Bridge provided by the utility model carries due to the use of the bridge expanssion joint that the utility model embodiment one provides
The high structural stability of bridge, can effectively reduce the percussion to vehicle, prevent vehicle from jolting, meanwhile, bridge floor is not
Easily there is seeping phenomenon, to ensure that vehicle traveling is smooth, safe.
Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the utility model, rather than limits it
System；Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should
Understand：It still can be with technical scheme described in the above embodiments is modified, either to which part or whole
Technical characteristic carries out equivalent replacement；And these modifications or replacements, this practicality that it does not separate the essence of the corresponding technical solution are new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of bridge expanssion joint, it is characterised in that：Including the first mounting bracket, the second mounting bracket, yielding rubber body and drainage plate；
First mounting bracket is both provided with groove with second mounting bracket, and the notch of two grooves is opposite, and two
Gap setting between the thickness face of the cell wall of the groove；
The yielding rubber body is between first mounting bracket and second mounting bracket, the length of the yielding rubber body
Through-hole is offered on direction, the upper surface of the yielding rubber body is abutted with the inner surface of the upper cell wall of two grooves, institute
The lower surface for stating yielding rubber body is abutted with the inner surface of the lower cell wall of two grooves, the upper surface of the yielding rubber body
It is provided with the portion of protruding above, the thickness face for protruding above portion abuts with the thickness face of the upper cell wall, and the portion that protrudes above
Thickness is less than the thickness of the upper cell wall；The lower surface of the yielding rubber body is provided with lower protrusion, the lower protrusion
Thickness face is abutted with the thickness face of the lower cell wall；
The drainage plate is located at the lower section of the yielding rubber body, and a length sides of the drainage plate are installed with described first
Frame is fixedly connected, another length sides of the drainage plate are fixedly connected with second mounting bracket, and the drainage plate is used for will
Hydrops is discharged.
2. bridge expanssion joint according to claim 1, it is characterised in that：The thickness of the upper cell wall protrudes above portion with described
Thickness between difference be 1~3mm.
3. bridge expanssion joint according to claim 1, it is characterised in that：The quantity of the through-hole is three, described in three
Through-hole is respectively first through hole, the second through-hole and third through-hole, and second through-hole is located at the first through hole and the third
Between through-hole.
4. bridge expanssion joint according to claim 3, it is characterised in that：The width of the first through hole is logical with the third
The width in hole is respectively less than the width of second through-hole.
5. bridge expanssion joint according to any one of claim 1 to 4, it is characterised in that：The first mounting bracket setting
There are multiple first reinforcing ribs, second mounting bracket to be provided with multiple second reinforcing ribs, first reinforcing rib and described second
Reinforcing rib is located in two grooves.
6. bridge expanssion joint according to claim 5, it is characterised in that：The plate face of two neighboring first reinforcing rib it
Between distance be 10~30cm, the distance between plate face of two neighboring second reinforcing rib be 10~30cm；Described first
Reinforcing rib is symmetrical arranged with second reinforcing rib or first reinforcing rib is shifted to install with second reinforcing rib.
7. bridge expanssion joint according to any one of claim 1 to 4, it is characterised in that：Further include pressing plate, the pressing plate
It is connect with the lower cell wall of the groove by bolt, the length sides of the drainage plate are located at the lower slot of the pressing plate and the groove
Between wall.
8. bridge expanssion joint according to any one of claim 1 to 4, it is characterised in that：The thickness for protruding above portion
Rounding off between face and the upper surface of the yielding rubber body, the thickness face for protruding above portion and the yielding rubber body
Rounding off between upper surface.
9. bridge expanssion joint according to any one of claim 1 to 4, it is characterised in that：The shape of the through-hole is square
One or more of shape, circle, ellipse or spindle.
10. a kind of bridge, it is characterised in that：Including bridge expanssion joint as claimed in any one of claims 1-9 wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820009201.1U CN207862760U (en) | 2018-01-03 | 2018-01-03 | Bridge expanssion joint and bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820009201.1U CN207862760U (en) | 2018-01-03 | 2018-01-03 | Bridge expanssion joint and bridge |
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| Publication Number | Publication Date |
|---|---|
| CN207862760U true CN207862760U (en) | 2018-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820009201.1U Active CN207862760U (en) | 2018-01-03 | 2018-01-03 | Bridge expanssion joint and bridge |
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| CN (1) | CN207862760U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108118613A (en) * | 2018-01-03 | 2018-06-05 | 河北省高速公路宣大管理处 | Bridge expanssion joint and bridge |
-
2018
- 2018-01-03 CN CN201820009201.1U patent/CN207862760U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108118613A (en) * | 2018-01-03 | 2018-06-05 | 河北省高速公路宣大管理处 | Bridge expanssion joint and bridge |
| CN108118613B (en) * | 2018-01-03 | 2024-06-14 | 河北省高速公路宣大管理处 | Bridge expansion joint and bridge |
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