CN207159801U - PE type bridge expansion joint structures - Google Patents
PE type bridge expansion joint structures Download PDFInfo
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- CN207159801U CN207159801U CN201721160438.1U CN201721160438U CN207159801U CN 207159801 U CN207159801 U CN 207159801U CN 201721160438 U CN201721160438 U CN 201721160438U CN 207159801 U CN207159801 U CN 207159801U
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- expansion joint
- beam body
- installing plate
- mounting
- gag lever
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Abstract
The utility model discloses a kind of PE types bridge expansion joint structure, including the first beam body, the second beam body and the expansion joint between the first beam body and the second beam body, the side wall of first beam body and the second beam body close to expansion joint is provided with mounting groove, two mounting grooves are in be oppositely arranged, and internal common sliding is provided with one piece of installing plate for passing through expansion joint；The both ends of the surface of installing plate towards mounting groove are provided with several mounting holes, and length dimension and mounting hole depth dimensions identical gag lever post are provided with mounting hole, and gag lever post one end is stretched out outside mounting hole and abutted with the side wall of mounting groove towards installing plate；Installation annular groove is additionally provided with mounting hole, installs and is fixedly connected with elastic component between annular groove madial wall and fix bar lateral wall；It is provided with installing plate for blocking the polyethylene backing plate positioned at expansion joint above installing plate, the upper surface of polyethylene backing plate and the first beam body and the upper surface flush of the second beam body, there is the advantage for preventing debris from blocking expansion joint.
Description
Technical field
A kind of bridge expansion joint structure is the utility model is related to, more particularly to a kind of PE types bridge expansion joint structure.
Background technology
Bridge expanssion joint is referred to meet the requirement of bridge floor deformation, generally between two beam-ends, between beam-ends and abutment
Or expansion joint is set in the articulated position of bridge.
The Chinese patent that existing Authorization Notice No. is CN202730641U, authorized announcement date is on 2 13rd, 2013 discloses
A kind of expanded joint structure of bridge, it includes two pieces of beam slabs, and expansion joint is provided between two pieces of beam slabs, filling is provided with expansion joint
Layer, embedded ribs, concrete layer and sealing shaped steel are designed with every piece of beam slab, concrete layer is by elastic concrete layer and epoxy resin
Concrete layer is formed, and the elastic concrete layer is located above beam slab, and the epoxy resin concrete layer is distributed in elastic coagulation
Above soil layer and side of the elastic concrete layer away from expansion joint, described embedded ribs are arranged on beam slab, elastic coagulation simultaneously
In soil layer and epoxy resin concrete layer, the sealing shaped steel is arranged on the epoxy resin concrete layer.
But the expansion joint of this bridge, which is opening, to be set, the debris such as dregs, mudstone on bridge floor is easily piled up in flexible
In seam, the function of bridge expanssion joint is influenceed, therefore, this problem has to be solved.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to be to provide a kind of PE types bridge expanssion joint knot
Structure, it has the advantages of preventing debris from blocking expansion joint.
To achieve the above object, the utility model provides following technical scheme：A kind of PE types bridge expansion joint structure, bag
Include the first beam body, the second beam body and the expansion joint between the first beam body and the second beam body, first beam body and the second beam
Side wall of the body close to expansion joint is provided with mounting groove, and two mounting grooves are in be oppositely arranged, and internal common sliding is set
It is equipped with one piece of installing plate for passing through expansion joint；The both ends of the surface of the installing plate towards two mounting grooves are provided with several installations
Hole, length dimension and mounting hole depth dimensions identical gag lever post are provided with the mounting hole, and described gag lever post one end is stretched out
Mounting hole is outer and is abutted with the side wall of mounting groove towards installing plate；Installation annular groove, the installation are additionally provided with the mounting hole
Elastic component is fixedly connected between annular groove madial wall and gag lever post lateral wall；It is provided with the installing plate for blocking positioned at peace
The polyethylene backing plate at the expansion joint above loading board, upper surface and the first beam body and the upper table of the second beam body of the polyethylene backing plate
Face flushes.
By using above-mentioned technical proposal, installing plate is set in mounting groove, and gag lever post one end is located in mounting hole, another
End is stretched out mounting hole and offseted with installation groove sidewall, and company is fixed in one end that gag lever post is located in mounting hole with spring and installation annular groove
Connect, the gag lever post of installing plate both sides coordinates the position for limiting installing plate；Side sets polyethylene backing plate, poly- second on a mounting board
Alkene backing plate upper surface and the first beam body and the upper surface flush of the second beam body, for blocking the expansion joint above installing plate, have
Prevent debris from blocking the effect at expansion joint；On the other hand, polyethylene backing plate has corrosion resistance and higher elasticity, is not easy rotten
Erosion, and the function at expansion joint is not influenceed during bridge deformation.
Further, the upper surface of the polyethylene backing plate is provided with arc-shaped transition plate.
By using above-mentioned technical proposal, arc-shaped transition plate causes polyethylene backing plate with the object above polyethylene backing plate not
Contact, avoids polyethylene backing plate and pit is formed because of being contacted with irregularly shaped object or causes to damage.
Further, one end that the gag lever post stretching mounting hole abuts with mounting groove is provided with sliding block.
By using above-mentioned technical proposal, sliding block increases the contact area of gag lever post and mounting groove inwall so that bridge
When deforming upon, gag lever post will not shift.
Further, the end face of the sliding block towards installing plate is provided with rubber blanket.
By using above-mentioned technical proposal, when deforming upon, sliding block can move bridge to installing plate, because rubber blanket has
It is flexible, avoid slider side wall and directly collided with installing plate side wall, there is cushioning effect.
Further, the rubber blanket is internally provided with several cavitys.
By using above-mentioned technical proposal, the setting of cavity so that the inside of rubber blanket, can in local hollow state
Make rubber blanket more soft, and further increase the elasticity of rubber blanket so that buffering effect is more preferably.
Further, spring is provided with the cavity, the elastic force direction of the spring is parallel with gag lever post.
By using above-mentioned technical proposal, oxidation can be occurred by meeting air due to rubber blanket, and its elastic force can substantially reduce,
Spring and cavity coordinate the elastic force that can keep rubber blanket.
Further, in addition to be fixed in the first beam body and the second beam body be used for support mounting plate support member.
By using above-mentioned technical proposal, installing plate, which is located in expansion joint, is partially in vacant state, when for a long time by
During the extruding of polyethylene backing plate, the part is easily damaged, and the setting of support member serves supporting role to the part so that the portion
Divide and be hardly damaged.
Further, the support member is inverted U elastic component, including arch portion positioned at upper end and two positioned at lower end
Flat part, arch portion and the installing plate of support member offset.
By using above-mentioned technical proposal, when deforming upon, the width at expansion joint can change bridge, due to elasticity
Support member is arranged to inverted U-shaped, so can be easier that elastic deformation occurs with the change width at expansion joint.
Further, some be respectively protruding into the first beam body and the second beam body is provided with two flat parts
Bracing piece.
By using above-mentioned technical proposal, bracing piece enables elastic supporting member for supporting optical member is stronger to be fixed on expansion joint madial wall
On.
In summary, the utility model has the advantages that：
1st, by setting installing plate in mounting groove, some gag lever posts, gag lever post and mounting ring are set at installing plate both ends
Elastic component in groove coordinates the position that can limit installing plate, and does not influence the performance at expansion joint, and side sets poly- on a mounting board
Ethene backing plate, polyethylene backing plate upper surface and the first beam body and the upper surface flush of the second beam body, having prevents debris blocks from stretching
Contract the effect stitched；
2nd, by setting elastic supporting member for supporting optical member in expansion joint madial wall, support mounting plate can be played a part of, in support member
Be respectively provided with two flat parts at expansion joint it is some be respectively protruding into the bracing piece in the first beam body and the second beam body, have into one
The effect of fixed effect between step is strengthened on elastic supporting member for supporting optical member and expansion joint madial wall.
Brief description of the drawings
Fig. 1 is the overall schematic of PE type bridge expansion joint structures in the present embodiment；
Fig. 2 is the sectional view of PE type bridge expansion joint structures in the present embodiment；
Fig. 3 is the enlarged drawing of part A in Fig. 2.
In figure：1st, the first beam body；2nd, the second beam body；3rd, expansion joint；4th, mounting groove；5th, installing plate；51st, mounting hole；511、
Annular groove is installed；512nd, elastic component；52nd, gag lever post；53rd, sliding block；54th, rubber blanket；541st, cavity；542nd, spring；6th, polyethylene pads
Plate；7th, rebound；8th, support member；81st, flat part；82nd, bracing piece；83rd, arch portion.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model
Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but
As long as all protected in right of the present utility model by Patent Law.
Embodiment:
A kind of PE types bridge expansion joint structure, as shown in figure 1, it includes the first beam body 1, the second beam body 2 and expansion joint 3,
Expansion joint 3 is between the first beam body 1 and the second beam body 2；The side wall of first beam body 1 and the second beam body 2 close to expansion joint 3 is opened
Provided with mounting groove 4, two mounting grooves 4 are in be oppositely arranged；Common sliding is provided with one piece of installing plate 5, installing plate 5 in two mounting grooves 4
Through expansion joint 3；Polyethylene backing plate 6, the upper surface of polyethylene backing plate 6 and the first beam body 1 and the second beam are provided with installing plate 5
The upper surface flush of body 2, for blocking positioned at the expansion joint 3 of the top of installing plate 5；The also fixation of the upper surface of polyethylene backing plate 6 is set
Arc-shaped transition plate 7 is equipped with, pit is formed for preventing polyethylene backing plate 6 from being contacted with irregularly shaped object or causes to damage.
As shown in Fig. 2 the madial wall of expansion joint 3 is fixedly installed support member 8, support member 8 is arranged to inverted U-shaped elastic component, uses
In support mounting plate 5；Support member 8 includes the arch portion 83 positioned at upper end and two flat parts 81 positioned at lower end, support member 8
Arch portion 83 is offseted with installing plate 5, and some be respectively protruding into the first beam body 1 and the second beam is fixedly installed on two flat parts 81
Bracing piece 82 in body 2, bracing piece 82 are used to enable elastic supporting member for supporting optical member 8 is stronger to be fixed on the madial wall of expansion joint 3.
As shown in Figures 2 and 3, the both ends of the surface of installing plate 5 towards mounting groove 4 offer several mounting holes 51, installation
Gag lever post 52 is provided with hole 51, the length dimension of gag lever post 52 is identical with the depth dimensions of mounting hole 51, and the one of gag lever post 52
End is stretched out outside mounting hole 51, is abutted with the side wall of mounting groove 4 towards installing plate 5；It is further opened with that annular groove is installed in mounting hole 51
511, install and be fixedly connected with spring between the madial wall of annular groove 511 and the lateral wall of gag lever post 52, spring is selected in the present embodiment
As elastic component 512, during original state, spring in annular groove 511 is installed in the raw, and spring is outside mounting hole 51
One end be fixedly connected with the lateral wall of gag lever post 52, the other end with installation the madial wall of annular groove 511 be fixedly connected, it is spacing for limiting
The position of bar 52, after the position of gag lever post 52 is locked, the position of installing plate 5 is also just locked.
As shown in figure 3, gag lever post 52 stretches out mounting hole 51 is fixedly installed sliding block 53 with one end that mounting groove 4 abuts, it is sliding
Block 53 is bonded with the side wall of mounting groove 4 towards installing plate 5, adds the lifting surface area of gag lever post 52；Sliding block 53 is towards installing plate 5
End face be fixedly installed rubber blanket 54, rubber blanket 54 can offset with the side wall of installing plate 5, avoid the side wall of sliding block 53 and installing plate
5 side walls directly collide, and have cushioning effect；Several cavitys 541 are offered inside rubber blanket 54, add rubber blanket 54
Flexibility and elasticity；Spring 542 is provided with cavity 541, the elastic force direction of spring 542 is parallel with gag lever post 52, increase
The persistence of the elastic force of rubber blanket 54.
Operation principle is as follows：
During original state, polyethylene backing plate 6 blocks the part that expansion joint 3 is located at the top of installing plate 5, and polyethylene backing plate
6 upper surface and the first beam body 1 and the upper surface flush of the second beam body 2, so debris will not be deposited in expansion joint 3, influence
The function at expansion joint 3.
When bridge deforms upon, the first beam body 1 and the second beam body 2 to during 3 direction displacement of expansion joint, sliding block 53 all the time with peace
The side wall of tankage 4 offsets, and as the first beam body 1 and the second beam body 2 move to the direction of installing plate 5, gag lever post 52 is also by sliding block 53
Moved in band trend mounting hole 51；Now, the elastic component 512 being connected with gag lever post 52 is compressed, and sliding block 53 and gag lever post 52 are matched somebody with somebody
The position for limiting installing plate 5 is closed, installing plate 5 remains stationary as, and the polyethylene backing plate 6 on installing plate 5 produces elastic shape by compression
Become.
Bridge is during original state is returned to, and the first beam body 1 and the second beam body 2 are to the direction away from expansion joint 3
Displacement, gag lever post 52 stretch out mounting hole 51 under the resilient force of elastic component 512, so that with movable slider 53 to away from installing plate
5 directions are moved, and sliding block 53 offsets with the side wall of mounting groove 4 all the time, and now, sliding block 53 and the cooperation of gag lever post 52 limit installation
The position of plate 5, installing plate 5 remain stationary as, and the polyethylene backing plate 6 on installing plate 5 restores to the original state.
Claims (9)
1. a kind of PE types bridge expansion joint structure, including the first beam body (1), the second beam body (2) and positioned at the first beam body (1) and
Expansion joint (3) between two beam bodies (2), it is characterised in that：First beam body (1) and the second beam body (2) are close to expansion joint (3)
Side wall be provided with mounting groove (4), two mounting grooves (4) are in being oppositely arranged, and internal common sliding is provided with one
Block passes through expansion joint（3）Installing plate（5）；
The both ends of the surface of the installing plate (5) towards two mounting grooves (4) are provided with several mounting holes (51), the mounting hole
(51) length dimension and mounting hole (51) depth dimensions identical gag lever post (52) are provided with, described gag lever post (52) one end is stretched
Go out mounting hole (51) outside and abutted with the side wall of mounting groove (4) towards installing plate (5)；Peace is additionally provided with the mounting hole (51)
Annular groove (511) is filled, elastic component is fixedly connected between installation annular groove (511) madial wall and gag lever post (52) lateral wall
(512)；
The polyethylene backing plate (6) for blocking the expansion joint (3) above installing plate (5) is provided with the installing plate (5),
The upper surface of the polyethylene backing plate (6) and the first beam body (1) and the upper surface flush of the second beam body (2).
2. PE types bridge expansion joint structure according to claim 1, it is characterised in that：The polyethylene backing plate (6) it is upper
Surface is provided with arc-shaped transition plate (7).
3. PE types bridge expansion joint structure according to claim 1, it is characterised in that：The gag lever post (52) stretches out installation
Hole (51) is provided with sliding block (53) with one end that mounting groove (4) abuts.
4. PE types bridge expansion joint structure according to claim 3, it is characterised in that：The sliding block (53) is towards installing plate
(5) end face is provided with rubber blanket (54).
5. PE types bridge expansion joint structure according to claim 4, it is characterised in that：Set inside the rubber blanket (54)
There are several cavitys (541).
6. PE types bridge expansion joint structure according to claim 5, it is characterised in that：It is provided with the cavity (541)
Spring (542), the elastic force direction of the spring (542) are parallel with gag lever post (52).
7. the PE type bridge expansion joint structures according to any claim in claim 1-6, it is characterised in that：Also include
It is fixed on the support member (8) for being used for support mounting plate (5) in the first beam body (1) and the second beam body (2).
8. PE types bridge expansion joint structure according to claim 7, it is characterised in that：The support member (8) is inverted U bullet
Property part, including the arch portion (83) positioned at upper end and two flat parts (81) positioned at lower end, the arch portion (83) of support member (8)
Offseted with installing plate (5).
9. PE types bridge expansion joint structure according to claim 8, it is characterised in that：On two flat parts (81)
It is provided with some be respectively protruding into the bracing piece (82) in the first beam body (1) and the second beam body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721160438.1U CN207159801U (en) | 2017-09-11 | 2017-09-11 | PE type bridge expansion joint structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721160438.1U CN207159801U (en) | 2017-09-11 | 2017-09-11 | PE type bridge expansion joint structures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207159801U true CN207159801U (en) | 2018-03-30 |
Family
ID=61721150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721160438.1U Active CN207159801U (en) | 2017-09-11 | 2017-09-11 | PE type bridge expansion joint structures |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207159801U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109594465A (en) * | 2018-12-13 | 2019-04-09 | 李博 | A kind of road and bridge deformation joint combination system |
| CN113136796A (en) * | 2021-04-30 | 2021-07-20 | 重庆交通大学 | Reset type bridge expansion joint device |
| CN115928567A (en) * | 2022-12-26 | 2023-04-07 | 江苏久兴建设工程有限公司 | Seamless expansion device, bridge deck expansion joint structure and paving method thereof |
-
2017
- 2017-09-11 CN CN201721160438.1U patent/CN207159801U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109594465A (en) * | 2018-12-13 | 2019-04-09 | 李博 | A kind of road and bridge deformation joint combination system |
| CN113136796A (en) * | 2021-04-30 | 2021-07-20 | 重庆交通大学 | Reset type bridge expansion joint device |
| CN113136796B (en) * | 2021-04-30 | 2022-07-19 | 重庆交通大学 | Reset type bridge expansion joint device |
| CN115928567A (en) * | 2022-12-26 | 2023-04-07 | 江苏久兴建设工程有限公司 | Seamless expansion device, bridge deck expansion joint structure and paving method thereof |
| CN115928567B (en) * | 2022-12-26 | 2023-09-19 | 江苏久兴建设工程有限公司 | Seamless expansion device, bridge deck expansion joint structure and paving method thereof |
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