CN210712541U - Curved bridge expansion joint structure - Google Patents
Curved bridge expansion joint structure Download PDFInfo
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- CN210712541U CN210712541U CN201921367941.3U CN201921367941U CN210712541U CN 210712541 U CN210712541 U CN 210712541U CN 201921367941 U CN201921367941 U CN 201921367941U CN 210712541 U CN210712541 U CN 210712541U
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- steel plate
- expansion joint
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- buffer
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Abstract
The utility model discloses a bent type bridge expansion joint structure belongs to bridge building technical field, and its technical scheme main points are, including first steel sheet and second steel sheet, first steel sheet and second steel sheet cross section set up to bent type, are provided with displacement control structure between first steel sheet and the second steel sheet, and the one side that first steel sheet and second steel sheet carried on the back mutually all is provided with the anchor structure. Because the curved setting of first steel sheet and second steel sheet, when the wheel pressed on the bridge expansion joint, the resonance that produces when can reducing two wheels and act on telescoping device simultaneously to reduce the impact of vehicle to the expansion joint device, improve life. The utility model is suitable for a design of expansion joint structure.
Description
Technical Field
The utility model belongs to the technical field of the bridge construction technique and specifically relates to a curved bridge expansion joint structure is related to.
Background
At present, in the design of bridge structures, expansion joints are usually arranged between two beam ends of a bridge and between the beam ends and an abutment, and the expansion joints are combined with the bridge through poured concrete.
Chinese patent application No. CN105672126B discloses a bridge expansion joint structure, which includes expansion joint fixing areas symmetrically distributed along the width direction of a bridge, a first steel plate with one end sealing one part of the expansion joint fixing area along the length direction of the bridge, and a second steel plate with the other part of the expansion joint fixing area along the length direction of the bridge; high molecular polymers which bond the expansion joint fixing area with the first steel plate and the second steel plate into a whole are poured in the expansion joint fixing area; the other end of the first steel plate is positioned on one side of the second steel plate far away from the expansion joint fixing area, and the expansion joint fixing area is arranged on the first steel plate at the other end of the first steel plate and divides the first steel plate into two parts along the length direction of the bridge; the first steel plate can slide relative to the second steel plate along the length direction of the bridge.
Above-mentioned this kind of bridge expansion joint structure, when the vehicle was gone on the bridge, the wheel can contact with first steel sheet or second steel sheet simultaneously, makes first steel sheet or second steel sheet self produce resonance, and the resonance effect is more obvious when the traffic flow is big more, and the vehicle easily takes place to jolt, jump the car phenomenon when going the process, causes the impact nature easily to telescoping device.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a bent type bridge expansion joint structure has the impact that reduces the vehicle to expansion joint device, improves life's effect.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a curved bridge expansion joint structure comprises a first steel plate and a second steel plate, wherein the cross sections of the first steel plate and the second steel plate are curved, a displacement control structure is arranged between the first steel plate and the second steel plate, anchoring structures are arranged on the opposite sides of the first steel plate and the second steel plate, the displacement control structure comprises a buffer sleeve and a buffer rod, an elastic block is arranged at the middle position of the buffer sleeve, the number of the buffer rods is two, the two buffer rods are respectively sleeved at the two ends of the buffer sleeve, the two buffer rods are respectively fixed at two ends of the elastic block, one ends of the two buffer rods far away from the elastic block respectively penetrate through the first steel plate and the second steel plate, and both ends are provided with fixation nuts, are formed with the filler district between first steel sheet and the second steel sheet, the inside pitch mixture that is filled up of filler district.
Through adopting above-mentioned technical scheme, when the wheel pressed on the bridge expansion joint, because the setting of the crooked type of first steel sheet and second steel sheet, resonance that produces when can reducing two wheels and acting on telescoping device simultaneously. Inside the buffer sleeve was worn to establish by the buffer beam, the buffer beam can pass through the effect of elastic block, when the vehicle passed through the bridge expansion joint, can play the effect of buffering. The setting of fixation nut can play fixed effect to cushion collar and buffer rod to reduce the impact of vehicle to the expansion joint device, improve life's effect. The asphalt mixture in the filling area can enhance the tensile resistance of the expansion joint structure so as to reduce deformation. The anchoring structure can play a fixed role in the expansion joint structure.
The utility model discloses further set up to, the equal joint in both ends of cushion collar has fixed cover, every the fixed orifices, two have been seted up to fixed cover intermediate position the buffer beam wears to locate corresponding position respectively in the fixed orifices, two the buffer beam is close to one of elastic block is served and all is equipped with first go-between, compression spring and second go-between, every in proper order first go-between compression spring with the second go-between all is located the inside of cushion collar, every compression spring's both ends respectively with corresponding position first go-between with the second go-between offsets.
By adopting the technical scheme, the first connecting ring is sleeved on the buffer rod, the compression spring is sleeved on the buffer rod, the second connecting ring is sleeved on the buffer rod, and finally the fixing sleeve is clamped on the buffer sleeve to fix the first connecting ring, the compression spring and the second connecting rod in the buffer sleeve. The both ends of cushion collar are fixed through fixed cover, and the buffer beam passes from fixed cover.
The utility model discloses further set up to, first steel sheet with be provided with the third steel sheet between the second steel sheet, spacing hole has been seted up in the middle of the third steel sheet, the cushion collar wears to be located in the spacing hole.
Through adopting above-mentioned technical scheme, the effect of a support can be played for the cushion collar in the setting of third steel sheet.
The utility model discloses further set up to, the fixed orifices with the diameter in spacing hole is 2 times to 2.5 times of buffer beam diameter.
Through adopting above-mentioned technical scheme, the change of temperature throughout the year, some parts in the bridge expansion joint can be because expend with heat and contract with cold's principle warp, consequently set up the diameter of fixed orifices and be greater than the diameter in spacing hole, can provide the space of certain displacement and buffering for the buffer beam, can further reduce the road surface crack and produce.
The utility model discloses further set up as, the diameter of second go-between does 1.2 times to 1.5 times of fixed orifices diameter.
By adopting the technical scheme, the diameter of the second connecting ring is larger than that of the fixing hole. The second connecting ring is not easily disconnected from the cushion collar.
The utility model discloses further set up to, the anchor structure includes a plurality of first anchor boards and a plurality of second anchor board, and is a plurality of first anchor board is fixed in respectively first steel sheet with the second steel sheet is kept away from the one side of third steel sheet, and be located first steel sheet with second steel sheet bottom border department, it is a plurality of second anchor board is vertical being fixed in respectively first steel sheet with the both ends of second steel sheet, and be located corresponding the position first steel sheet with the second steel sheet is kept away from one side of third steel sheet.
Through adopting above-mentioned technical scheme, the setting of first anchor board and second anchor board can be fixed first steel sheet and second steel sheet.
The utility model discloses further set up to, all set up threaded hole on the second anchor board.
Through adopting above-mentioned technical scheme, when the bridge broad, can be in the same place a plurality of bent type expansion joint structure threaded connection, convenient operation is swift.
The utility model discloses further set up to, the anchor structure still includes a plurality of anchor rings, and is a plurality of the anchor ring is vertical respectively to be fixed in first steel sheet with the second steel sheet is kept away from the one side of third steel sheet, the anchor ring is kept away from one side of first anchor board is provided with the opening.
Through adopting above-mentioned technical scheme, when the bent type expansion joint structure of installation, the anchor ring can be convenient for the fixed of first steel sheet and second steel sheet, and the open-ended setting can be convenient for to the fixed of anchor ring.
To sum up, the utility model discloses following beneficial effect has:
1. through the arrangement of the buffer sleeve, the buffer rod, the elastic block and the compression spring, the buffer effect can be achieved, the impact on the expansion joint device caused by vehicles can be further achieved, and the service life is prolonged;
2. through the arrangement of the third steel plate and the limiting hole, a supporting effect can be achieved for the buffer sleeve;
3. through the setting of first anchor board, second anchor board and anchor ring, can play fixed effect to first steel sheet and second steel sheet.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural diagram of the middle displacement control structure of the present invention.
Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.
In the figure, 1, a first steel plate; 2. a second steel plate; 3. a displacement control structure; 31. a buffer sleeve; 32. a buffer rod; 33. an elastic block; 34. fixing a nut; 35. fixing a sleeve; 36. a fixing hole; 37. a first connecting ring; 38. a compression spring; 39. a second connection ring; 4. an anchoring structure; 41. a first anchor plate; 42. a second anchor plate; 43. a threaded hole; 44. an anchoring ring; 45. an opening; 5. a third steel plate; 51. a limiting hole; 6. a filler zone.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to the figure 1, the utility model discloses a bent type bridge expansion joint structure, set up to the first steel sheet 1 of bent type and the second steel sheet 2 of cross section setting to bent type including the cross section, for the steel sheet of straight type, when the wheel pressed the expansion joint, two wheels can press simultaneously on expansion joint structure's steel sheet, produced resonance easily on the one hand, and on the other hand takes place the phenomenon of jumping easily. Therefore, the first steel plate 1 and the second steel plate 2 which are arranged in a curved shape can reduce resonance generated when two wheels of a vehicle simultaneously act on the expansion joint structure. Be provided with displacement control structure 3 between first steel sheet 1 and second steel sheet 2, the change of the four seasons temperature throughout the year, some parts in the bridge expansion joint can be because the principle of expend with heat and contract with cold warp.
Referring to fig. 1 and 2, the displacement control structure 3 includes a buffer sleeve 31 and a buffer rod 32, the buffer rod 32 is inserted into the buffer sleeve 31, an elastic block 33 is disposed at the middle position of the buffer sleeve 31, and when a vehicle passes through the bridge expansion joint structure, a buffering effect can be achieved. Buffer bar 32 sets up to two, the both ends of buffer sleeve 31 are located to two buffer bar 32 covers respectively, and two buffer bar 32 are fixed in the both ends of elastic block 33 respectively, two buffer bar 32 keep away from the one end of elastic block 33 and wear to locate respectively on first steel sheet 1 and the second steel sheet 2, and both ends all are provided with fixation nut 34, can play fixed effect to buffer sleeve 31 and buffer bar 32, in order to reduce the impact force that the vehicle produced expansion joint structure, thereby play the effect that improves life. Be provided with third steel sheet 5 between first steel sheet 1 and the second steel sheet 2, spacing hole 51 has been seted up in the middle of the third steel sheet 5, and the cushion collar 31 is worn to locate in spacing hole 51 to can provide a holding power for cushion collar 31.
Referring to fig. 1, the one side that first steel sheet 1 and second steel sheet 2 carried on the back mutually all is provided with anchor structure 4, anchor structure 4 can play fixed effect to the expansion joint structure, anchor structure 4 is including being fixed in a plurality of first anchor plates 41 of the one side that third steel sheet 5 was kept away from to first steel sheet 1 and second steel sheet 2 respectively, a plurality of second anchor plates 42 of the both ends of first steel sheet 1 and second steel sheet 2 are vertically fixed in respectively to and a plurality of anchor ring 44 of the one side that third steel sheet 5 was kept away from to first steel sheet 1 and second steel sheet 2 are vertically fixed in respectively. A plurality of first anchor boards 41 are located first steel sheet 1 and second steel sheet 2 bottom border department respectively, can fix first steel sheet 1 and second steel sheet 2. The second anchor plates 42 are respectively located on the sides of the first steel plate 1 and the second steel plate 2 which are far away from the third steel plate 5. When the curved expansion joint structure is installed, concrete (not marked in the figure) can be directly poured on the first anchoring plate 41 and the second anchoring plate 42, and the first anchoring plate 41 and the second anchoring plate 42 can be tightly pressed, so that the first steel plate 1 and the second steel plate 2 are fixed conveniently, and the installation of the expansion joint structure can be more compact, firm and reliable. The openings 45 are formed in the side, away from the first anchoring plate 41, of each of the anchoring rings 44, so that reinforcing steel bars (not shown) can be placed into the openings, the anchoring rings 44 can be fixed conveniently, and the whole expansion joint structure can be fixed. When the bridge broad, can form a plurality of curved expansion joint structures concatenation, consequently set up screw hole 43 on second anchor board 42, pass through threaded connection with a plurality of curved expansion joint structures and be in the same place convenient operation is swift. All form filler district 6 between first steel sheet 1 and second steel sheet 2 and between second steel sheet 2 and third steel sheet 5, it has bituminous mixture (not drawn in the picture) to fill in filler district 6 inside, contains pitch, stone, powdered ore and anti-stripping agent in the bituminous mixture, can make the connection between first steel sheet 1, second steel sheet 2 and the third steel sheet 5 inseparabler to can strengthen the tensile strength of whole expansion joint structure, reduce the deformation degree of whole expansion joint.
Referring to fig. 3, a first connecting ring 37 (as shown in fig. 2), a compression spring 38 and a second connecting ring 39 are sequentially sleeved on one end of each of the two buffer rods 32 close to the elastic block 33, each of the first connecting ring 37, the compression spring 38 and the second connecting ring 39 is located inside the buffer sleeve 31, the first connecting ring 37 is firstly sleeved on the buffer rod 32, the compression spring 38 is sleeved on the buffer rod 32, and then the second connecting ring 39 is sleeved on the buffer rod 32. In order to make the first connecting ring 37, the compression spring 38 and the second connecting ring 39 difficult to fall from the cushion sleeve 31, the fixing sleeves 35 are clamped at both ends of the cushion sleeve 31, a fixing hole 36 is opened at the middle position of each fixing sleeve 35, and the two cushion rods 32 are respectively inserted into the fixing holes 36 at the corresponding positions. The diameter of fixed orifices 36 and spacing hole 51 is 2 times to 2.5 times of buffer beam 32 diameter, the utility model discloses in, the diameter of fixed orifices 36 and spacing hole 51 is 2 times of buffer beam 32 diameter, can provide the space of certain displacement and buffering for buffer beam 32. The diameter of second go-between 39 is 1.2 times to 1.5 times of fixed orifices 36 diameter, the utility model discloses in, the diameter of second go-between 39 is 1.2 times of fixed orifices 36 diameter, and second go-between 39 is difficult to break away from the connection with cushion collar 31.
The implementation principle of the above embodiment is as follows: when the curved expansion joint structure is installed, the buffer sleeve 31 is firstly arranged in the limiting hole 51 of the third steel plate 5 in a penetrating manner, the first connecting ring 37, the compression spring 38 sleeve and the second connecting ring 39 are respectively and sequentially sleeved on the buffer rod 32, the fixing sleeve 35 is sleeved on the buffer rod 32 and clamped on the buffer sleeve 31, the first connecting ring 37, the compression spring 38 and the second connecting rod in the buffer sleeve 31 are fixed, and then two ends of the buffer sleeve 31 are respectively fixed on the first steel plate 1 and the second steel plate 2 through the fixing nuts 34. Concrete to be poured is then poured onto the first and second anchor plates 41, 42, and reinforcing steel bars can be directly placed on the anchor ring 44 to fix the entire expansion joint structure. Thereby when the wheel pressed on the bridge expansion joint, because the setting of the first steel sheet 1 and the crooked type of second steel sheet 2, resonance that produces when can reducing two wheels and acting on telescoping device simultaneously to reduce the impact of vehicle to the expansion joint device, improve life.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a bent type bridge expansion joint structure which characterized in that: the steel plate comprises a first steel plate (1) and a second steel plate (2), the cross section of the first steel plate (1) and the cross section of the second steel plate (2) are arranged to be curved, a displacement control structure (3) is arranged between the first steel plate (1) and the second steel plate (2), one side, back to the back, of each of the first steel plate (1) and the second steel plate (2) is provided with an anchoring structure (4), the displacement control structure (3) comprises a buffer sleeve (31) and buffer rods (32), an elastic block (33) is arranged in the middle of the buffer sleeve (31), the buffer rods (32) are arranged to be two, the two buffer rods (32) are respectively sleeved at the two ends of the buffer sleeve (31), the two buffer rods (32) are respectively fixed at the two ends of the elastic block (33), one ends, far away from the elastic block (33), of the two buffer rods (32) are respectively penetrated through the first steel plate (1) and the second steel plate (2), and both ends are provided with fixing nuts (34), a filler area (6) is formed between the first steel plate (1) and the second steel plate (2), and asphalt mixture is filled in the filler area (6).
2. The curved bridge expansion joint structure of claim 1, wherein: the equal joint in both ends of cushion collar (31) has fixed cover (35), every fixed cover (35) intermediate position has seted up fixed orifices (36), two buffer rod (32) wear to locate corresponding position respectively in fixed orifices (36), two buffer rod (32) are close to one of elastic block (33) is served and all is equipped with first go-between (37), compression spring (38) and second go-between (39), every first go-between (37) compression spring (38) with second go-between (39) all are located the inside of cushion collar (31), every the both ends of compression spring (38) respectively with corresponding position first go-between (37) with second go-between (39) counterbalance.
3. The curved bridge expansion joint structure of claim 2, wherein: a third steel plate (5) is arranged between the first steel plate (1) and the second steel plate (2), a limiting hole (51) is formed in the middle of the third steel plate (5), and the buffer sleeve (31) penetrates through the limiting hole (51).
4. The curved bridge expansion joint structure of claim 3, wherein: the diameters of the fixing hole (36) and the limiting hole (51) are 2 times to 2.5 times of the diameter of the buffer rod (32).
5. The curved bridge expansion joint structure of claim 4, wherein: the diameter of the second connection ring (39) is 1.2 to 1.5 times the diameter of the fixing hole (36).
6. The curved bridge expansion joint structure of claim 5, wherein: the anchoring structure (4) comprises a plurality of first anchoring plates (41) and a plurality of second anchoring plates (42), the first anchoring plates (41) are fixed on the first steel plate (1) and the second steel plate (2) respectively and far away from one side of the third steel plate (5), the anchoring structure is located at the bottom edge of the first steel plate (1) and the second steel plate (2), the second anchoring plates (42) are vertically fixed on the two ends of the first steel plate (1) and the second steel plate (2) respectively and located at corresponding positions, and the first steel plate (1) and the second steel plate (2) are far away from one side of the third steel plate (5).
7. The curved bridge expansion joint structure of claim 6, wherein: threaded holes (43) are formed in the second anchoring plates (42).
8. The curved bridge expansion joint structure of claim 7, wherein: the anchoring structure (4) further comprises a plurality of anchoring rings (44), the anchoring rings (44) are vertically fixed at one ends, far away from the third steel plate (5), of the first steel plate (1) and the second steel plate (2) respectively, and an opening (45) is formed in one side, far away from the first anchoring plate (41), of each anchoring ring (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921367941.3U CN210712541U (en) | 2019-08-21 | 2019-08-21 | Curved bridge expansion joint structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921367941.3U CN210712541U (en) | 2019-08-21 | 2019-08-21 | Curved bridge expansion joint structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210712541U true CN210712541U (en) | 2020-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921367941.3U Active CN210712541U (en) | 2019-08-21 | 2019-08-21 | Curved bridge expansion joint structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210712541U (en) |
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2019
- 2019-08-21 CN CN201921367941.3U patent/CN210712541U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Room 205, innovation and Research Center, 8 Yanzheng West Avenue, Niutang Town, Wujin District, Changzhou City, Jiangsu Province, 213000 Patentee after: Jiangsu luneide Transportation Technology Co.,Ltd. Address before: Room 205, innovation and Research Center, 8 Yanzheng West Avenue, Niutang Town, Wujin District, Changzhou City, Jiangsu Province, 213000 Patentee before: Jiangsu Road nede Road Maintenance Technology Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |