CN208415084U

CN208415084U - A kind of road and bridge construction device

Info

Publication number: CN208415084U
Application number: CN201820321173.7U
Authority: CN
Inventors: 姜良华
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-03-08
Filing date: 2018-03-08
Publication date: 2019-01-22
Anticipated expiration: 2028-03-08

Abstract

The utility model discloses a kind of road and bridge construction devices, including lower bottom base and upper plate, the lower bottom base and the opposite two sides outer wall of upper plate are reserved with the anti-slop serrations equidistantly distributed, and anti-slop serrations are in tetragonous wimble structure, the upper surface middle part of the lower bottom base is welded with hydraulic cylinder, and oil sealing is welded at the top end opening circumferential inner wall of hydraulic cylinder, the inner ring of the oil sealing slidably connects push pipe, and push pipe is the barrel shaped structure being open in phase, the bottom end of the push pipe is provided with screw hole, and damper is bolted in screw hole, the bottom end outer circumferential walls of the push pipe are welded with piston ring, and the lower surface bonds of piston ring have rubber seal, at the top end opening of the push pipe and lower surface of upper plate welds together.The utility model ensure that under the big pressure of happening suddenly will not moment by spring-compressed on earth so that carrier the more drops the more slow slow decline, utmostly ensures bridge security, moreover it is possible to which the decrease speed for slowing down upper plate is unlikely to decline suddenly.

Description

A kind of road and bridge construction device

Technical field

The utility model relates to road and bridge field of engineering technology more particularly to a kind of road and bridge construction devices.

Background technique

Currently, earthquake disaster reduction passes in order to ensure the engineerings such as building and bridge play due function in earthquake The engineering structure of system is absorbed by the deformation of structure and earthquake energy；In structure suffers from, when small intensity earthquake, according to Absorbed by structure and structural elements and earthquake energy to be that feasible, traditional bridge pad cannot buffer wiggly Impact, in bridge actual motion, bridge, which is swung left and right, to be inevitable, so needing that one kind is added in construction prevents bridge The device that beam waves.

Utility model content

Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of road and bridge proposed is applied Tooling is set.

To achieve the goals above, the utility model adopts the technical scheme that

A kind of road and bridge construction device, including lower bottom base and upper plate, the lower bottom base and the opposite two sides of upper plate Outer wall is reserved with the anti-slop serrations equidistantly distributed, and anti-slop serrations are in tetragonous wimble structure, and the upper surface middle part of the lower bottom base is welded It is connected to hydraulic cylinder, and is welded with oil sealing at the top end opening circumferential inner wall of hydraulic cylinder, the inner ring of the oil sealing is slidably connected There is push pipe, and push pipe is the barrel shaped structure being open in phase, the bottom end of the push pipe is provided with screw hole, and damping is bolted in screw hole Device, the bottom end outer circumferential walls of the push pipe are welded with piston ring, and the lower surface bonds of piston ring have rubber seal, the top At the top end opening of the pipe and lower surface of upper plate welds together, and compressed spring is welded between upper plate and lower bottom base, There are gaps between the inner wall of the compressed spring and the outer wall of hydraulic cylinder, and the upper surface of the lower bottom base is close to circumferential edges Place is welded with annular side plate in tubular construction, and is evenly distributed at the top end opening of annular side plate there are four counterbore, the counterbore Inner wall slidably connects mandril, and the top of mandril is bolted on the lower surface of upper plate, the annular side plate Waterproof foam annular in shape is connected at top end opening between upper plate.

Preferably, the density at the compressed spring both ends is different, and the density of compressed spring lower end is greater than the close of upper end Degree is equipped with reset spring between mandril and the bottom of counterbore.

Preferably, the hydraulic cylinder is equipped with special hydraulic oil, and the aperture of the viscosity of special hydraulic oil and damper It is adapted, special hydraulic oil is low temperature resistant hydraulic oil, and side outer wall of the push pipe close to top is provided with air hole.

Preferably, there are gaps for the inner wall of the outer wall of the mandril and counterbore, and gap is less than 0.6 millimeter.

Preferably, the height of the annular side plate is equal to the height of hydraulic cylinder, and the length of mandril is equal to the depth of counterbore Degree.

Preferably, two bottom plates are that weather-proof Steel material is made, and compressed spring is made of alloy steel material, compression Spring surface is handled by plastic-spraying.

The utility model has the following beneficial effects:

1, by the way that the waterproof foam being connected between upper plate and annular side plate is arranged, it can guarantee the shock absorption buffering mechanism It avoids the clasts article such as concrete to fall into during the installation process to change inside shape side plate, leads to getting stuck for compressed spring, influence to compress The normal contraction of spring；And waterproof effect can be played.

2, the compressed spring different by the upper lower density of setting, ensure that under the big pressure of happening suddenly will not moment by spring It is compressed to bottom, so that carrier the more drops the more slow slow decline, utmostly ensures bridge security.

3, by the damper of setting so that pressure be more than compressed spring can tolerance range when, slow down upper plate Decrease speed is unlikely to decline suddenly, improves the resistance to compression bradyseism effect of the present apparatus again.

4, by the counterbore of setting, mandril and annular side plate, so that big pressure is being more than holding for compressed spring and damper It is unlikely to flatten in device when carrying power, it is ensured that the safety of bridge and device.

Detailed description of the invention

Fig. 1 be the utility model proposes a kind of road and bridge construction device schematic cross-sectional view；

Fig. 2 be the utility model proposes a kind of road and bridge construction device schematic view of the front view.

In figure: 1 lower bottom base, 2 hydraulic cylinders, 3 anti-slop serrations, 4 special hydraulic oil, 5 counterbores, 6 mandrils, 7 piston rings, 8 dampings Device, 9 oil sealings, 10 waterproof foams, 11 compressed springs, 12 push pipes, 13 air holes, 14 upper plates, 15 annular side plates.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.

Referring to Fig.1-2, a kind of road and bridge construction device, including lower bottom base 1 and upper plate 14, lower bottom base 1 and upper plate 14 opposite two sides outer walls are reserved with the anti-slop serrations 3 equidistantly distributed, and anti-slop serrations 3 are in tetragonous wimble structure, lower bottom base 1 Upper surface middle part is welded with hydraulic cylinder 2, and oil sealing 9 is welded at the top end opening circumferential inner wall of hydraulic cylinder 2, oil sealing 9 Inner ring slidably connects push pipe 12, and push pipe 12 is the barrel shaped structure being open in phase, and the bottom end of push pipe 12 is provided with screw hole, and spiral shell Damper 8 is bolted in hole, the bottom end outer circumferential walls of push pipe 12 are welded with piston ring 7, and the lower surface bonds of piston ring 7 have rubber Glue sealing ring is welded together with the lower surface of upper plate 14 at the top end opening of push pipe 12, and upper plate 14 and lower bottom base 1 Between be welded with compressed spring 11, there are gap between the inner wall of compressed spring 11 and the outer wall of hydraulic cylinder 2, lower bottom base 1 Upper surface is welded with annular side plate 15 in tubular construction at circumferential edges, and is evenly distributed at the top end opening of annular side plate 15 There are four counterbores 5, and the inner wall of counterbore 5 slidably connects mandril 6, and the top of mandril 6 is bolted on upper plate 14 Lower surface, waterproof foam 10 annular in shape is connected between upper plate 14 at the top end opening of annular side plate 15.

In the utility model, the density at 11 both ends of compressed spring is different, and the density of 11 lower end of compressed spring is greater than upper The density at end, is equipped with reset spring between mandril 6 and the bottom of counterbore 5, hydraulic cylinder 2 is equipped with special hydraulic oil 4, and specific liquid The viscosity of pressure oil 4 is adapted with the aperture of damper 8, and special hydraulic oil 4 is low temperature resistant hydraulic oil, and push pipe 12 is close to top Side outer wall is provided with air hole 13, and the inner wall of the outer wall of mandril 6 and counterbore 5 is there are gap, and gap is less than 0.6 millimeter, annular The height of side plate 15 is equal to the height of hydraulic cylinder 2, and the length of mandril 6 is equal to the depth of counterbore 5, and two bottom plates are weather-proof Steel material is made, and compressed spring 11 is made of alloy steel material, and 11 surface of compressed spring is handled by plastic-spraying.

The present apparatus: being fixedly connected between support column and load-bearing abutment by working principle when use, when occur earthquake or because When strong wind causes bridge to rock, the pressure for causing bridge certain to act on load-bearing pillar becomes larger suddenly, compresses bullet at this time Spring 11, damper 8 and mandril 6 are had an effect simultaneously, withstand upper plate 14, due to the small liquid by damper 8 in the aperture on damper 8 Pressure oil provides the resistance of movement, depletion campaign energy, so that upper plate 14 slow uniform descent is allowed, due under compressed spring 11 The density at end is big, and resistance to compression recovery capability is also big, and bridge is extensive under the action of the restoring force of compressed spring 11 and abutment itself are swung Again to origin-location, it is squeezed into the hydraulic oil in push pipe 12 and is flowed into hydraulic cylinder 2 in the case where self gravity.

The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims

1. a kind of road and bridge construction device, including lower bottom base (1) and upper plate (14), which is characterized in that the lower bottom base (1) Opposite two sides outer wall is reserved with the anti-slop serrations (3) equidistantly distributed with upper plate (14), and anti-slop serrations (3) are in rectangular pyramid knot The upper surface middle part of structure, the lower bottom base (1) is welded with hydraulic cylinder (2), and the top end opening circumferential inner wall of hydraulic cylinder (2) Place is welded with oil sealing (9), and the inner ring of the oil sealing (9) slidably connects push pipe (12), and push pipe (12) is the bucket being open in phase The bottom end of shape structure, the push pipe (12) is provided with screw hole, and damper (8) are bolted in screw hole, the bottom end of the push pipe (12) Outer circumferential walls are welded with piston ring (7), and the lower surface bonds of piston ring (7) have rubber seal, the top of the push pipe (12) Lower surface at end opening with upper plate (14) welds together, and is welded with compression between upper plate (14) and lower bottom base (1) Spring (11), there are gap, the lower bottom bases (1) between the inner wall of the compressed spring (11) and the outer wall of hydraulic cylinder (2) Upper surface annular side plate (15) in tubular construction, and the top end opening of annular side plate (15) are welded at circumferential edges Place is uniformly distributed, and there are four counterbore (5), and the inner wall of the counterbore (5) slidably connects mandril (6), and the top of mandril (6) passes through Bolt is fixed on the lower surface of upper plate (14), is clamped between upper plate (14) at the top end opening of the annular side plate (15) There are waterproof foam annular in shape (10).

2. a kind of road and bridge construction device according to claim 1, which is characterized in that compressed spring (11) both ends Density it is different, and the density of compressed spring (11) lower end is greater than the density of upper end, the bottoms of mandril (6) and counterbore (5) it Between be equipped with reset spring.

3. a kind of road and bridge construction device according to claim 1, which is characterized in that the hydraulic cylinder (2) is equipped with Special hydraulic oil (4), and the viscosity of special hydraulic oil (4) is adapted with the aperture of damper (8), special hydraulic oil (4) is Low temperature resistant hydraulic oil, side outer wall of the push pipe (12) close to top are provided with air hole (13).

4. a kind of road and bridge construction device according to claim 1, which is characterized in that the outer wall of the mandril (6) with There are gaps for the inner wall of counterbore (5), and gap is less than 0.5 millimeter.

5. a kind of road and bridge construction device according to claim 1, which is characterized in that the height of the annular side plate (15) Degree is equal to the height of hydraulic cylinder (2), and the length of mandril (6) is equal to the depth of counterbore (5).

6. a kind of road and bridge construction device according to claim 1, which is characterized in that two bottom plates are weather-proof Steel material is made, and compressed spring (11) is made of alloy steel material, and compressed spring (11) surface is handled by plastic-spraying.