CN112442943B - Road bridge extending structure for preventing vehicle bump at bridge head - Google Patents
Road bridge extending structure for preventing vehicle bump at bridge head Download PDFInfo
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- CN112442943B CN112442943B CN202011389596.0A CN202011389596A CN112442943B CN 112442943 B CN112442943 B CN 112442943B CN 202011389596 A CN202011389596 A CN 202011389596A CN 112442943 B CN112442943 B CN 112442943B
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
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Abstract
The invention discloses a road bridge telescopic structure for preventing bumping at bridge head, which comprises a guide way, a ground, bridge piers and a main bridge, wherein a fixing plate is fixedly connected to the outer side wall of the guide way, the end part of the fixing plate is provided with latch teeth, the bridge piers are fixedly connected with the ground, the end part of the bridge piers is fixedly connected with the bottom of the main bridge, the outer side of the main bridge is fixedly connected with a locking plate, the outer side wall of the locking plate is provided with a clamping groove, the outer side wall of the latch teeth is abutted against the inner side wall of the clamping groove, concrete is poured on the outer side walls of the fixing plate and the locking plate, a fixing rod is fixedly connected to the outer side wall of the main bridge, and lime cream is in contact with air on the surface of a squeezing plate to be hard, so that the squeezing effect on the ground is realized, the guide way is prevented from continuously sinking, the bumping at the bridge head is generated, the service life of the guide way is greatly prolonged, the subsequent repair cost of the guide way is reduced, and the guide way plays a supporting role.
Description
Technical Field
The invention relates to the technical field of bridges, in particular to a road bridge telescopic structure for preventing vehicle bump at the bridge head.
Background
The bumping at the bridge head is caused by the step of the longitudinal slope of the road surface due to the differential settlement or the damage of the expansion joint at the bridge head and the expansion joint (approach of the bridge head) of the road, the road surface has settlement fracture (settlement value is generally 10-30 cm, some is even more than 60 cm) with different degrees at the back filling position of the platform, the vehicle jumps and impacts when passing, thereby causing additional impact load to bridges and the road surface, causing drivers and passengers to feel uncomfortable, even causing the vehicle to decelerate greatly, and causing serious traffic accidents.
The traditional bridge is built between a main bridge and an approach road due to the problem of rainwater, so that the approach road moves downwards, the vehicle jolts in the form process, once the approach road sinks seriously, the bridge needs to be closed, the traffic is hindered, meanwhile, huge manpower and material resources are consumed to repair the ground at the approach road, and due to the lack of a buffer device between the main bridge and the approach road, the bridge has irreversible damage to a pier and the main bridge due to the fact that the geographical movement or the vehicle driving process generates resonance, the service life of the bridge is shortened, and therefore the road bridge telescopic structure for preventing the vehicle from jumping at the bridge head is needed.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a road bridge telescopic structure for preventing vehicle bump at the bridge head.
In order to achieve the purpose, the invention adopts the following technical scheme:
a road bridge telescopic structure for preventing vehicle bump at bridge head comprises an approach, a ground, a bridge pier and a main bridge, wherein a fixed plate is fixedly connected on the outer side wall of the approach, the end part of the fixing plate is provided with a latch, the pier is fixedly connected with the ground, the end part of the pier is fixedly connected with the bottom of the main bridge, a locking plate is fixedly connected on the outer side of the main bridge, a clamping groove is arranged on the outer side wall of the locking plate, the outer side wall of the latch is tightly propped against the inner side wall of the clamping groove, concrete is poured on the outer side walls of the fixing plate and the locking plate, the outer side wall of the main bridge is fixedly connected with a fixed rod, the outer side wall of the approach is provided with a sliding groove, the inside of the approach is provided with an installation cavity, the sliding groove is communicated with the installation cavity, the tail end of the fixed rod penetrates through the sliding groove, a fixed box is fixedly arranged on the inner side wall of the mounting cavity, a positioning groove is arranged on the outer side wall of the fixed box, the inner side wall of the installation cavity is fixedly connected with a locking rod, the outer side wall of the locking rod is rotationally connected with a hydraulic mechanism, the hydraulic mechanism is connected with the inner side wall of the fixed box in a sealing and sliding way, a second hydraulic plate is connected on the inner side wall of the fixed box in a sealing and sliding way, the outer side wall of the second hydraulic plate is fixedly connected with a connecting rod which sequentially penetrates through the outer side walls of the fixed box and the approach, the tail end of the connecting rod is fixedly connected with an extrusion plate which is tightly propped against the outer side wall of the ground, the outer side wall of the fixed box is provided with a through groove, the outer side wall of the approach is provided with a discharge groove, the discharging mechanism is connected to the inner side wall of the discharging groove in a rotating mode, buffer springs are fixedly connected to the outer side wall of the main bridge and the outer side wall of the approach channel, and the buffer mechanisms are fixedly connected to the tail ends of the buffer springs.
Preferably, hydraulic pressure mechanism is including rotating the dwang of connection on locking lever lateral wall, the lateral wall and the dead lever of dwang offset tightly, it is connected with the transfer line to rotate on the lateral wall of dwang, the end rotation of transfer line is connected with first hydraulic plate, the sealed sliding connection of inside wall of first hydraulic plate and fixed box, the transfer line runs through the constant head tank.
Preferably, the discharge mechanism comprises a limiting plate rotatably connected to the inner side wall of the discharge groove, a pressure spring is fixedly connected to the inner side wall of the discharge groove, and the tail end of the pressure spring is fixedly connected to the outer side wall of the limiting plate.
Preferably, the buffer mechanism comprises a buffer pad fixedly connected to the tail end of the buffer spring, and the buffer pad is made of rubber.
Preferably, the latch is fixedly connected with the main bridge through a screw.
Preferably, the fixing plate, the locking plate, the latch and the clamping groove are all made of austenitic stainless steel.
Preferably, hydraulic oil is arranged between the first hydraulic plate and the second hydraulic plate, and lime cream is arranged between the second hydraulic plate and the bottom of the fixed box.
Preferably, the through groove is communicated with a discharge groove, and the through groove is communicated with the fixed box.
Compared with the prior art, the invention has the beneficial effects that:
1. after the latch and the clamping groove are abutted tightly, the latch and the main axle are fixed through screws, so that the approach and the main axle can be fixed, the shaking is avoided, concrete is poured on the surface of the fixing plate and the surface of the locking plate, the road surface becomes flat, the bumping phenomenon cannot occur in the vehicle passing process, the vehicle does not bump, the use time of the approach and the main axle is prolonged, and the follow-up repairing cost is reduced.
2. Buffer spring is all installed to the lateral wall of approach and main axle, through the blotter of setting between buffer spring for go and produce resonance taking place between geographical movement and the vehicle, buffer spring and blotter can play the cushioning effect and reduce the power that approach and main axle received in the motion process, thereby greatly reduced approach and the damage that the main axle received, make the vehicle on the bridge can drive away safely.
3. When the vehicle passes through the approach channel, the approach channel is made to move downwards by the pressure generated by the rain water and the gravity of the approach channel, when the approach channel moves downwards, the fixed rod moves upwards relative to the approach channel, the pushing rotating rod of the fixed rod rotates clockwise around the locking rod, the locking rod pushes the first hydraulic plate to move downwards through the transmission rod, the first hydraulic plate moves downwards through the hydraulic oil to drive the second hydraulic plate to move downwards, the second hydraulic plate drives the extrusion plate to move downwards through the connection rod, the extrusion plate moves downwards to extrude the ground, the ground is made to be hard, the approach channel is prevented from sinking continuously, sinking is avoided, sinking seasonings are pushed to be discharged to the surface of the extrusion plate through the through groove and the discharge groove while the second hydraulic plate moves downwards, lime cream is hard when being contacted with the air on the surface of the extrusion plate, the effect of extrusion on the ground is achieved, the approach channel is prevented from sinking continuously, the phenomenon of a bridge head jumping occurs, the service life of the approach channel is prolonged greatly, the follow-up expense of the approach channel is reduced, the supporting effect on the approach channel is achieved, when the approach channel is not contacted with the pressure, the pressure is prevented from being rotated, the spring is prevented from sinking, and the spring is prevented from sinking.
Drawings
Fig. 1 is a schematic structural view of a road-bridge telescopic structure for preventing vehicle bump at the bridge head according to the present invention;
FIG. 2 is an enlarged view of a portion A of the present invention;
FIG. 3 is an enlarged view of a portion B of the present invention;
FIG. 4 is an enlarged view of a portion C of the present invention;
FIG. 5 is a schematic view of the connection of the fixing plate and the locking plate according to the present invention;
fig. 6 is a perspective view of the securing plate and locking connection of the present invention.
In the figure: the hydraulic press comprises a guide channel 1, a ground 2, a pier 3, a main bridge 4, a fixing plate 5, a locking plate 6, concrete 7, a fixing rod 8, a buffer spring 9, a cushion pad 10, a sliding groove 11, a locking rod 12, a rotating rod 13, a transmission rod 14, a fixing box 15, a positioning groove 16, a first hydraulic plate 17, a second hydraulic plate 18, a squeezing plate 19, a penetrating groove 20, a discharging groove 21, a limiting plate 22, a pressure spring 23, a clamping tooth 24, a clamping groove 25, an installation cavity 26 and a connecting rod 27.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-6, a road bridge telescopic structure for preventing a vehicle bump at a bridge head comprises a guide way 1, a ground 2, a bridge pier 3 and a main bridge 4, wherein a fixed plate 5 is fixedly connected to the outer side wall of the guide way 1, a latch 24 is arranged at the end of the fixed plate 5, the bridge pier 3 is fixedly connected with the ground, the end of the bridge pier 3 is fixedly connected with the bottom of the main bridge 4, a locking plate 6 is fixedly connected to the outer side of the main bridge 4, a clamping groove 25 is formed in the outer side wall of the locking plate 6, the outer side wall of the latch 24 is tightly abutted to the inner side wall of the clamping groove 25, the latch 24 is fixedly connected with the main bridge 4 through a screw, the fixed plate 5, the latch 6 and the latch 24 are made of austenitic stainless steel, the clamping groove 25 is made of austenitic stainless steel, the strength of the austenitic stainless steel is high, and the locking rod structure can be kept intact in the working at the last time, concrete 7 is poured on the outer side walls of the fixed plate 5 and the locking plate 6, a fixed rod 8 is fixedly connected to the outer side wall of the main bridge 4, a sliding groove 11 is formed in the outer side wall of the guide way 1, a mounting cavity 26 is formed in the guide way 1, a positioning groove 16 is formed in the inner side wall of the fixing groove 12, and a positioning groove 12 is formed in the fixing groove 12;
the outer side wall of the locking rod 12 is rotatably connected with a hydraulic mechanism, the hydraulic mechanism is connected with the inner side wall of the fixed box 15 in a sealing and sliding manner, the hydraulic mechanism comprises a rotating rod 13 rotatably connected with the outer side wall of the locking rod 12, the outer side wall of the rotating rod 13 abuts against the fixed rod 8, the outer side wall of the rotating rod 13 is rotatably connected with a transmission rod 14, the tail end of the transmission rod 14 is rotatably connected with a first hydraulic plate 17, the first hydraulic plate 17 is connected with the inner side wall of the fixed box 15 in a sealing and sliding manner, the transmission rod 14 penetrates through the positioning groove 16, the inner side wall of the fixed box 15 is connected with a second hydraulic plate 18 in a sealing and sliding manner, hydraulic oil is arranged between the first hydraulic plate 17 and the second hydraulic plate 18, lime cream is arranged between the second hydraulic plate 18 and the bottom of the fixed box 15, the lime cream is made of lime cream, the lime cream is in contact with air and becomes hard, the lime cream has a supporting effect on the approach 1, the outer side wall of the second hydraulic plate 18 is fixedly connected with a connecting rod 27, the connecting rod 27 sequentially penetrates through the outer side wall of the fixed box 15 and the outer side wall of the approach 1, the tail end of the connecting rod 27 is fixedly connected with an extrusion plate 19, the extrusion plate 19 is tightly connected with the outer side wall of the extrusion plate 2, the fixed box 15 abuts against the outer side wall of the approach 1, the extraction groove 21;
In the invention, when in use, a screw is inserted between the latch 24 and the main axle 4 to fix the latch 24 and the main axle 4, so as to prevent the shake between the approach 1 and the main axle 4, when the geographical shake occurs and the resonance is generated when vehicles move more, so that the relative motion between the approach 1 and the main axle 4 is generated, because the buffer spring 9 and the buffer pad 10 play a role of buffering, the damage generated when the approach 1 and the main axle 4 move relatively is greatly reduced, when the rainy day is encountered, the ground 2 becomes softer, when vehicles pass by, the pressure of the vehicles on the approach 1 and the self gravity of the approach 1 cause the approach 1 to move downwards, when the approach 1 moves downwards, the fixed rod 8 moves upwards relative to the approach 1, the fixed rod 8 moves upwards to drive the rotating rod 13 to rotate clockwise, the rotating rod 13 drives the first hydraulic plate 17 to move downwards through the transmission rod 14, the first hydraulic plate 17 moves downwards to push the second hydraulic plate 18 to move downwards through hydraulic oil, the second hydraulic plate 18 drives the connecting rod 27 to move downwards, the connecting rod 27 drives the extruding plate 19 to move downwards, the extruding plate 19 extrudes the ground 2 in the downward moving process, the ground 2 becomes hard and can sufficiently support the gravity of the approach 1 and the traveling vehicles, the approach 1 can not descend any more, at the moment, the second hydraulic plate 18 pushes sinking seasonings to be sequentially discharged onto the outer surface of the extruding plate 19 from the through groove 20 and the discharge groove 21, the quality of the sinking seasonings becomes hard after contacting with air, a certain supporting effect is achieved on the approach 1, the approach 1 is prevented from sinking continuously, the phenomenon of bridge head jumping occurs, and the service life of the approach 1 is greatly prolonged.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (6)
1. The utility model provides a road bridge extending structure for preventing first bump of a bridge car, includes approach (1), ground (2), pier (3), main bridge (4), its characterized in that, fixedly connected with fixed plate (5) on the lateral wall of approach (1), the tip of fixed plate (5) is equipped with latch (24), pier (3) and ground fixed connection, the tip of pier (3) and the bottom fixed connection of main bridge (4), fixedly connected with lockplate (6) on the outside of main bridge (4), draw-in groove (25) have been seted up on the lateral wall of lockplate (6), the lateral wall of latch (24) offsets tightly with the inside wall of draw-in groove (25), there is concrete (7) on the lateral wall of fixed plate (5) and lockplate (6), fixedly connected with dead lever (8) on the lateral wall of main bridge (4), slide groove (11) have been seted up on the lateral wall of approach (1), the installation cavity (26) has been seted up to the inside of approach (1), slide groove (11) are linked together with installation cavity (26), the terminal fixed rod (8) is run through the installation slot (15) on the lateral wall of pouring constant head tank (15), the inner side wall of the installation cavity (26) is fixedly connected with a locking rod (12), the outer side wall of the locking rod (12) is rotatably connected with a hydraulic mechanism, the hydraulic mechanism is in sealed sliding connection with the inner side wall of a fixed box (15), the inner side wall of the fixed box (15) is in sealed sliding connection with a second hydraulic plate (18), the outer side wall of the second hydraulic plate (18) is fixedly connected with a connecting rod (27), the connecting rod (27) sequentially penetrates through the fixed box (15) and the outer side wall of the approach (1), the tail end of the connecting rod (27) is fixedly connected with a squeezing plate (19), the squeezing plate (19) is abutted against the outer side wall of the ground (2), the outer side wall of the fixed box (15) is provided with a penetrating groove (20), the outer side wall of the approach (1) is provided with a discharge groove (21), the inner side wall of the discharge groove (21) is rotatably connected with a discharge mechanism, the outer side wall of the main bridge (4) and the outer side wall of the approach (1) are both fixedly connected with a buffer spring (9), and the tail end of the buffer spring (9) is fixedly connected with a buffer mechanism;
the hydraulic mechanism comprises a rotating rod (13) which is rotatably connected to the outer side wall of a locking rod (12), the outer side wall of the rotating rod (13) is abutted against a fixing rod (8), a transmission rod (14) is rotatably connected to the outer side wall of the rotating rod (13), the tail end of the transmission rod (14) is rotatably connected with a first hydraulic plate (17), the first hydraulic plate (17) is in sealed sliding connection with the inner side wall of a fixed box (15), and the transmission rod (14) penetrates through a positioning groove (16);
the discharge mechanism comprises a limiting plate (22) rotatably connected to the inner side wall of the discharge groove (21), a pressure spring (23) is fixedly connected to the inner side wall of the discharge groove (21), and the tail end of the pressure spring (23) is fixedly connected with the outer side wall of the limiting plate (22).
2. The road-bridge telescopic structure for preventing bump at bridge head as claimed in claim 1, wherein the buffer mechanism comprises a buffer pad (10) fixedly connected to the end of the buffer spring (9), and the buffer pad (10) is made of rubber.
3. The road and bridge telescopic structure for preventing bump at bridge head as claimed in claim 1, wherein the latch (24) is fixedly connected with the main bridge (4) through a screw.
4. The road and bridge telescopic structure for preventing bump at bridge head as claimed in claim 1, wherein the fixing plate (5), the locking plate (6), the latch (24) and the slot (25) are all made of austenitic stainless steel.
5. The road and bridge telescopic structure for preventing bump at bridge head according to claim 1, wherein hydraulic oil is arranged between the first hydraulic plate (17) and the second hydraulic plate (18), and lime milk is arranged between the second hydraulic plate (18) and the bottom of the fixed box (15).
6. The road bridge expansion structure for preventing bump at bridge head according to claim 1, wherein the through groove (20) is communicated with a discharge groove (21), and the through groove (20) is communicated with a fixed box (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011389596.0A CN112442943B (en) | 2020-12-02 | 2020-12-02 | Road bridge extending structure for preventing vehicle bump at bridge head |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011389596.0A CN112442943B (en) | 2020-12-02 | 2020-12-02 | Road bridge extending structure for preventing vehicle bump at bridge head |
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| Publication Number | Publication Date |
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| CN112442943A CN112442943A (en) | 2021-03-05 |
| CN112442943B true CN112442943B (en) | 2022-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011389596.0A Active CN112442943B (en) | 2020-12-02 | 2020-12-02 | Road bridge extending structure for preventing vehicle bump at bridge head |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2540440Y (en) * | 2002-05-09 | 2003-03-19 | 河海大学 | Hydraulic regulating device for vibration padat bridgehead |
| RU2616035C1 (en) * | 2016-03-29 | 2017-04-12 | Акционерное общество "Спецремпроект" | Expansion bridge joint |
| CN207828770U (en) * | 2017-12-30 | 2018-09-07 | 王举义 | A kind of support construction for preventing bumping at bridge-head |
| CN209353184U (en) * | 2018-12-20 | 2019-09-06 | 安徽开源路桥有限责任公司 | A kind of anti-bumping at bridge-head device |
| CN211973067U (en) * | 2019-12-27 | 2020-11-20 | 中交第二航务工程勘察设计院有限公司 | Road and bridge connection transition structure for preventing and treating vehicle bump at bridge head |
| CN111236043A (en) * | 2020-01-10 | 2020-06-05 | 山西大学 | Novel road bridge attachment strap connection structure of self-adaptation height |
| CN111411576B (en) * | 2020-03-30 | 2021-07-13 | 陈传胜 | Road bridge changeover portion structure |
| CN111424533B (en) * | 2020-05-11 | 2024-09-20 | 中铁二院工程集团有限责任公司 | Bridge tunnel and bridge road junction area anti-skip device, bridge and use method |
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