CN215906565U - Anti-seismic device for highway bridge - Google Patents
Anti-seismic device for highway bridge Download PDFInfo
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- CN215906565U CN215906565U CN202122397032.8U CN202122397032U CN215906565U CN 215906565 U CN215906565 U CN 215906565U CN 202122397032 U CN202122397032 U CN 202122397032U CN 215906565 U CN215906565 U CN 215906565U
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Abstract
The utility model relates to a public road bridge roof beam technical field just discloses an anti-seismic device for public road bridge roof beam, including last loading board and lower loading board, the first connecting cover of lower fixed surface of going up the loading board is connected with, the last fixed surface of loading board is connected with the second connecting cover down, the inner wall swing joint of first connecting cover has the movable block, the inner wall swing joint of second connecting cover has the clamp plate, the common fixedly connected with connecting block of lower surface of the upper surface of clamp plate and movable block, the fixed cup joint of outer wall of movable block has first piston. This application makes public road bridge roof beam anti-seismic device have the ability of dual buffering, improves its buffering home range to can improve public road bridge roof beam anti-seismic effect, and then guarantee life-span and fail safe nature that public road bridge roof beam used, and can improve anti-seismic device's protective capacities, can improve anti-seismic device's reliability of work simultaneously.
Description
Technical Field
The application relates to a public road bridge roof beam technical field especially relates to a public road bridge roof beam is with anti-seismic device.
Background
The earthquake damages the bridge, which are mainly caused by the ground surface damage and the earthquake damage of the bridge, wherein the ground surface damage has the phenomena of ground cracks, landslide, collapse, bank slope slippage, sandy soil liquefaction and the like, the ground cracks can cause the shortening and the extension of the bridge span or the sinking of a pier, and the collapse, the bank slope slippage and the falling of mountain stones caused by strong earthquake can cause the bridge to be damaged in a steep mountain area or sandy soil and soft clay river bank, and a professional earthquake-resistant device is needed for auxiliary work.
The existing highway bridge anti-seismic device generally performs anti-seismic buffering through stacked rubber pads, but the buffering moving range of the anti-seismic mode is small, so that the anti-seismic effect of the anti-seismic device is greatly influenced, and the service life and the safety and reliability of a highway bridge are further influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides an anti-seismic device for highway bridge, which aims to solve the problems that the buffering range of motion of anti-seismic device for highway bridge is small and the anti-seismic effect of anti-seismic device is greatly influenced in the prior art.
In order to achieve the purpose, the following technical scheme is adopted in the application:
an anti-seismic device for a highway bridge comprises an upper bearing plate and a lower bearing plate, wherein the lower surface of the upper bearing plate is fixedly connected with a first connecting cover, the upper surface of the lower bearing plate is fixedly connected with a second connecting cover, the inner wall of the first connecting cover is movably connected with a moving block, the inner wall of the second connecting cover is movably connected with a pressure plate, the upper surface of the pressure plate and the lower surface of the moving block are fixedly connected with a connecting block together, the outer wall of the moving block is fixedly sleeved with a first piston, the outer wall of the first piston is movably connected with the inner wall of the first connecting cover, the lower surface of the pressing plate is movably connected with a plurality of cushion rubber pads, the side walls of the cushion rubber pads are movably connected with the inner wall of the second connecting cover, the lateral wall fixedly connected with a plurality of complementary units of first connecting cover, go up the common fixedly connected with protection machanism of one side that loading board and lower loading board are relative.
As an preferred technical scheme of this application, complementary unit includes the pipe with the fixed intercommunication of first connecting cover outer wall, the fixed intercommunication of outer wall of pipe has the connecting pipe, the top of connecting pipe and the lower fixed surface of last loading board are connected, the fixed cover of bottom outer wall of connecting pipe has kept off the ring, the fixed second piston that has cup jointed of outer wall that keeps off the ring, the urceolus has been cup jointed in the activity of the outer wall of connecting pipe, the inner wall of urceolus with the outer wall swing joint of second piston, the bottom of urceolus is connected with the last fixed surface of loading board down.
As a preferable technical scheme of the application, the tube wall of one connecting tube is fixedly communicated with an inflating nozzle.
As an optimal technical scheme of this application, protection machanism includes two connection bulge loops, two the lateral wall of connecting the bulge loop respectively with the outer wall fixed connection of last loading board and lower loading board, two the outer wall activity of connecting the bulge loop has cup jointed the rubber sleeve, sealed pipe clamp has all been cup jointed at the both ends of rubber sleeve, the fixed intercommunication of outer wall of rubber sleeve has gaseous filling valve.
As an optimal technical scheme of this application, go up the relative one side edge of loading board and lower loading board and all seted up a plurality of spacing through-holes, and the pore wall swing joint of spacing through-hole has spacing bolt.
As an optimal technical scheme of this application, go up the equal fixedly connected with of one side that loading board and lower loading board carried on the back mutually and have anti-skidding rubber pad.
As a preferred technical scheme of this application, the last fixed surface of movable block is connected with the blotter, a plurality of buffering through-holes have been seted up to the lateral wall of blotter.
As a preferred technical solution of the present application, the side wall of the second connection cover is provided with a plurality of exhaust holes.
Compared with the prior art, the application provides a public road bridge anti-seismic device for roof beam possesses following beneficial effect:
1. the anti-seismic device for the highway bridge is provided with the auxiliary mechanism and the buffer rubber pads, a large amount of air is filled into the first connecting cover and the outer cylinder through the inflating nozzle when the anti-seismic device for the highway bridge is installed, when the anti-seismic device for the highway bridge is impacted by external force, the bearing plate is moved downwards firstly, the connecting block pushes the moving block to extrude the air in the first connecting cover, the air enters the outer cylinder through the guide pipe and the connecting pipe to extrude the air, the resistance generated by air compression can buffer the impact on the highway bridge, and the resistance generated by the connecting block extruding the multi-layer buffer rubber pads through the pressing plate can further buffer the external force impact on the highway bridge, so that the safety of the highway bridge is ensured, the mechanism enables the anti-seismic device for the highway bridge to have double buffering capacity, the buffering moving range is enlarged, and the anti-seismic effect of the anti-seismic device for the highway bridge can be improved, thereby ensuring the service life and the safety and the reliability of the highway bridge.
2. This anti-seismic device for highway bridge, through being provided with protection machanism, when highway bridge anti-seismic device installation later stage, through the rubber sleeve cover on connecting the bulge loop to fix through the sealing pipe clamp, fill into anti oxidizing gas in to the rubber sleeve through the air filling valve after that, anti oxidizing gas can delay anti-seismic device inside rubber component ageing and inefficacy as far as possible, the rubber sleeve can prevent external foreign matter corrosion damage anti-seismic device as far as possible simultaneously, this mechanism can effectively improve highway bridge anti-seismic device's protective capacities, and can improve the reliability of anti-seismic device work.
The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, and this application makes public road bridge roof beam anti-seismic device have the ability of dual buffering, improves its buffering home range to can improve public road bridge roof beam anti-seismic device's antidetonation effect, and then guarantee the life-span and the fail safe nature of public road bridge roof beam use, and can improve anti-seismic device's protective capacities, can improve the reliability of anti-seismic device work simultaneously.
Drawings
Fig. 1 is a schematic structural view of an anti-seismic device for a highway bridge according to the present application;
FIG. 2 is an enlarged view of the portion A in FIG. 1;
fig. 3 is an enlarged view of a portion B of fig. 1.
In the figure: the device comprises an upper bearing plate 1, a lower bearing plate 2, a first connecting cover 3, a second connecting cover 4, a moving block 5, a pressing plate 6, a connecting block 7, an auxiliary mechanism 8, a guide pipe 81, a connecting pipe 82, a baffle ring 83, a second piston 84, an outer cylinder 85, a protective mechanism 9, a connecting convex ring 91, a rubber sleeve 92, a sealing pipe clamp 93, a gas filling valve 94, a first piston 10, a buffer rubber pad 11, an inflating nozzle 12, a limiting bolt 13, an antiskid rubber pad 14, a buffer rubber pad 15 and a buffer through hole 16.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present application.
Referring to fig. 1 and 3, an anti-seismic device for highway bridges, including last loading board 1 and lower loading board 2, a plurality of spacing through-holes have all been seted up to a side edge department that goes up loading board 1 and lower loading board 2 relative, and the pore wall swing joint of spacing through-hole has spacing bolt 13, spacing bolt 13 can prevent anti-seismic device displacement as far as possible, and improve the stability of anti-seismic device installation, the first connecting cover 3 of lower fixed surface who goes up loading board 1 is connected with, the last fixed surface of lower loading board 2 is connected with second connecting cover 4, a plurality of exhaust holes have been seted up to the lateral wall of second connecting cover 4, the air in second connecting cover 4 can be discharged smoothly in the exhaust hole, the air makes cushion rubber pad 11 fold in the second connecting cover 4 as far as possible, guarantee cushion rubber pad 11's antidetonation effect.
Referring to fig. 1, a moving block 5 is movably connected to the inner wall of a first connecting cover 3, a cushion pad 15 is fixedly connected to the upper surface of the moving block 5, a plurality of cushion through holes 16 are formed in the side wall of the cushion pad 15, the cushion pad 15 and the cushion through holes 16 can increase the buffering capacity of an anti-seismic device and ensure the anti-seismic reliability of the anti-seismic device, a pressing plate 6 is movably connected to the inner wall of a second connecting cover 4, a connecting block 7 is fixedly connected to the upper surface of the pressing plate 6 and the lower surface of the moving block 5, a first piston 10 is fixedly sleeved on the outer wall of the moving block 5, the outer wall of the first piston 10 is movably connected to the inner wall of the first connecting cover 3, a plurality of cushion rubber pads 11 are movably connected to the lower surface of the pressing plate 6, the side walls of the cushion rubber pads 11 are movably connected to the inner wall of the second connecting cover 4, and an anti-skid rubber pad 14 is fixedly connected to one side of the upper bearing plate 1 opposite to the lower bearing plate 2, the anti-skid rubber pads 14 can improve the friction force at the joint surface of the upper bearing plate 1 and the lower bearing plate 2, prevent the displacement of the anti-seismic device as much as possible, and improve the stability of the installation of the anti-seismic device.
Referring to fig. 1-2, a plurality of auxiliary mechanisms 8 are fixedly connected to the side wall of the first connecting cover 3, each auxiliary mechanism 8 comprises a conduit 81 fixedly communicated with the outer wall of the first connecting cover 3, the outer wall of the conduit 81 is fixedly communicated with a connecting pipe 82, the wall of one connecting pipe 82 is fixedly communicated with an inflating nozzle 12, a large amount of air is filled into the first connecting cover 3 and the outer cylinder 85 through the inflating nozzle 12, resistance generated by compressed air is utilized to perform anti-seismic buffering, so that the anti-seismic device has double buffering capacity, the top end of the connecting pipe 82 is fixedly connected with the lower surface of the upper bearing plate 1, the outer wall at the bottom end of the connecting pipe 82 is fixedly sleeved with a retaining ring 83, the outer wall of the retaining ring 83 is fixedly sleeved with a second piston 84, the outer cylinder 85 is movably sleeved on the outer wall of the connecting pipe 82, the inner wall of the outer cylinder 85 is movably connected with the outer wall of the second piston 84, and the bottom end of the outer cylinder 85 is fixedly connected with the upper surface of the lower bearing plate 2, the mechanism enables the highway bridge anti-seismic device to have double buffering capacity, improves the buffering moving range of the highway bridge anti-seismic device, can improve the anti-seismic effect of the highway bridge anti-seismic device, and further guarantees the service life and the safe reliability of the highway bridge.
Referring to fig. 1-3, the protection mechanism 9 is fixedly connected to the opposite side of the upper bearing plate 1 and the lower bearing plate 2, the protection mechanism 9 includes two connecting convex rings 91, the side walls of the two connecting convex rings 91 are fixedly connected to the outer walls of the upper bearing plate 1 and the lower bearing plate 2, the outer walls of the two connecting convex rings 91 are movably sleeved with rubber sleeves 92, sealing pipe clamps 93 are sleeved at the two ends of each rubber sleeve 92, and the outer walls of the rubber sleeves 92 are fixedly communicated with a gas filling valve 94.
The working principle is as follows: when the anti-seismic device for the highway bridge is installed, a large amount of air is filled into the first connecting cover 3 and the outer cylinder 85 through the inflating nozzle 12, when the anti-seismic device for the highway bridge is impacted by external force, the upper bearing plate 1 moves downwards, the upper bearing plate 1 pushes the moving block 5 to extrude the air in the first connecting cover 3 through the connecting block 7, the air enters the outer cylinder 85 through the guide pipe 81 and the connecting pipe 82 to extrude the air, the resistance generated by air compression can buffer the impact on the highway bridge, the resistance generated by the connecting block 7 extruding the multi-layer buffer rubber pads 11 through the pressing plate 6 can further buffer the impact on the highway bridge by the external force, the safety of the highway bridge is ensured, when the anti-seismic device for the highway bridge is installed in the later period, the rubber sleeve 92 is sleeved on the connecting convex ring 91 and fixed through the sealing pipe clamp 93, and then the anti-oxygen gas is filled into the rubber sleeve 92 through the air valve 94, the anti-oxidation gas can delay the aging and the failure of the rubber part in the anti-seismic device as far as possible, meanwhile, the rubber sleeve 92 can prevent external foreign matters from corroding and damaging the anti-seismic device as far as possible, the mechanism enables the anti-seismic device for the highway bridge to have double buffering capacity, the buffering moving range of the anti-seismic device is improved, the anti-seismic effect of the anti-seismic device for the highway bridge can be improved, the service life and the safety and reliability of the highway bridge are further guaranteed, the protection capacity of the anti-seismic device can be improved, and meanwhile, the working reliability of the anti-seismic device can be improved.
The above description is only for the preferred embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present application, and all equivalent substitutions and changes according to the technical solutions and the inventive concepts of the present application should be covered by the scope of the present application.
Claims (8)
1. An anti-seismic device for a highway bridge comprises an upper bearing plate (1) and a lower bearing plate (2), and is characterized in that a first connecting cover (3) is fixedly connected to the lower surface of the upper bearing plate (1), a second connecting cover (4) is fixedly connected to the upper surface of the lower bearing plate (2), a moving block (5) is movably connected to the inner wall of the first connecting cover (3), a pressing plate (6) is movably connected to the inner wall of the second connecting cover (4), a connecting block (7) is fixedly connected to the upper surface of the pressing plate (6) and the lower surface of the moving block (5) together, a first piston (10) is fixedly sleeved on the outer wall of the moving block (5), the outer wall of the first piston (10) is movably connected to the inner wall of the first connecting cover (3), and a plurality of cushion rubber pads (11) are movably connected to the lower surface of the pressing plate (6), a plurality of the side wall of the buffer rubber pad (11) is movably connected with the inner wall of the second connecting cover (4), the side wall of the first connecting cover (3) is fixedly connected with a plurality of auxiliary mechanisms (8), and the upper bearing plate (1) and the lower bearing plate (2) are fixedly connected with a protection mechanism (9) together at the opposite side.
2. The anti-seismic device for the road bridge according to claim 1, wherein the auxiliary mechanism (8) comprises a conduit (81) fixedly communicated with the outer wall of the first connecting cover (3), the outer wall of the conduit (81) is fixedly communicated with a connecting pipe (82), the top end of the connecting pipe (82) is fixedly connected with the lower surface of the upper bearing plate (1), the outer wall of the bottom end of the connecting pipe (82) is fixedly sleeved with a baffle ring (83), the outer wall of the baffle ring (83) is fixedly sleeved with a second piston (84), the outer wall of the connecting pipe (82) is movably sleeved with an outer cylinder (85), the inner wall of the outer cylinder (85) is movably connected with the outer wall of the second piston (84), and the bottom end of the outer cylinder (85) is fixedly connected with the upper surface of the lower bearing plate (2).
3. An anti-seismic device for road bridges according to claim 2, wherein the wall of one of said connecting tubes (82) is fixedly connected to an inflation nozzle (12).
4. The anti-seismic device for the highway bridge according to claim 1, wherein the protection mechanism (9) comprises two connecting convex rings (91), the side walls of the two connecting convex rings (91) are respectively and fixedly connected with the outer walls of the upper bearing plate (1) and the lower bearing plate (2), the outer walls of the two connecting convex rings (91) are movably sleeved with rubber sleeves (92), both ends of each rubber sleeve (92) are sleeved with sealing pipe clamps (93), and the outer walls of the rubber sleeves (92) are fixedly communicated with gas filling valves (94).
5. The anti-seismic device for the highway bridge according to claim 1, wherein a plurality of limiting through holes are formed in the edge of one side of the upper bearing plate (1) opposite to the edge of one side of the lower bearing plate (2), and limiting bolts (13) are movably connected to the wall of each limiting through hole.
6. The anti-seismic device for the road bridge according to claim 1, wherein the anti-skid rubber pads (14) are fixedly connected to the opposite sides of the upper bearing plate (1) and the lower bearing plate (2).
7. An anti-seismic device for road bridges according to claim 1, wherein a cushion pad (15) is fixedly connected to the upper surface of the moving block (5), and a plurality of buffer through holes (16) are formed in the side wall of the cushion pad (15).
8. An anti-seismic device for road bridges according to claim 1, wherein the side wall of the second connecting cover (4) is provided with a plurality of exhaust holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122397032.8U CN215906565U (en) | 2021-09-30 | 2021-09-30 | Anti-seismic device for highway bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122397032.8U CN215906565U (en) | 2021-09-30 | 2021-09-30 | Anti-seismic device for highway bridge |
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| Publication Number | Publication Date |
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| CN215906565U true CN215906565U (en) | 2022-02-25 |
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| CN202122397032.8U Active CN215906565U (en) | 2021-09-30 | 2021-09-30 | Anti-seismic device for highway bridge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114673075A (en) * | 2022-05-05 | 2022-06-28 | 杨帅 | Anti-seismic structure for highway bridge |
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2021
- 2021-09-30 CN CN202122397032.8U patent/CN215906565U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114673075A (en) * | 2022-05-05 | 2022-06-28 | 杨帅 | Anti-seismic structure for highway bridge |
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