CN211079925U - Public road bridge roof beam construction support bracket with shock attenuation effect - Google Patents

Abstract

The utility model discloses a road bridge construction support bracket with damping effect, which comprises a bottom plate, a damping cylinder, a stand column, a cross beam and a support sleeper, wherein a cylindrical cavity is arranged inside two ends of the bottom plate, a threaded cross rod is arranged inside the cylindrical cavity, one end of the threaded cross rod is fixedly connected with a rotating shaft, the threaded cross rod is rotatably connected inside the cylindrical cavity through the rotating shaft, the other end of the threaded cross rod is provided with a through hole, vertical threaded rods are vertically arranged at two ends of the bottom plate in a penetrating way, the vertical threaded rods vertically pass through one side of the cylindrical cavity, the upper end of the bottom plate is fixedly connected with the damping cylinder, the damping cylinder is positioned at the inner side of the vertical threaded rods, the damping cylinder is composed of a cavity body I, a cavity body II and a cavity body III, the utility model has good damping effect by adopting the, good stability is guaranteed, the whole bearing toughness of the structure is improved, and the practicability is enhanced.

Description

Public road bridge roof beam construction support bracket with shock attenuation effect

Technical Field

The utility model relates to a public road bridge roof beam field specifically is a public road bridge roof beam construction support bracket with shock attenuation effect.

Background

The highway bridge engineering includes main bridge body engineering, river channel stabilizing structures, guide dike, etc. the main bridge body engineering includes a lot of auxiliary engineering facilities, such as guide approach bridge, etc. the bridge head is connected with highway, the bridge floor is equipped with railing for preventing wheel from colliding, sidewalk railing for ensuring pedestrian safety, marks on bridge, under-bridge navigation mark, bridge floor lighting equipment, etc. in addition, the bridge in earthquake region is also equipped with shock-proof device, the cable-stayed bridge suspension cable is equipped with additional device for preventing pneumatic resonance, the movable bridge is equipped with mechanical device, and the bridge on the ice river is equipped with ice-breaking device, so that the bridge engineering is related to structural engineering, foundation engineering, hydraulic engineering and traffic engineering, and is related to meteorology, hydrology, engineering geology, building material and test technology, The engineering machinery, aesthetics, environmental protection and other disciplines are related, and the engineering technology is a very comprehensive engineering technology, highway lines pass through rivers, estuaries, lakes, reservoirs, irrigation canals and other water areas, or cross deep valley zones with large height difference, or cross other traffic lines, bridges need to be erected for keeping smooth traffic, and in busy urban areas, elevated roads consisting of elevated bridges are required to be arranged, mountain roads or elevated roads are used for digging road beds, or the elevated bridges are also constructed sometimes due to unstable geological structures or landscape protection, and road beds are not constructed.

However, current public road bridge roof beam support frame lacks corresponding shock-absorbing structure, strengthen the holistic toughness of support frame, moreover, in the part has the supporting frame structure of cushioning effect, the shock attenuation back, can not effectual elimination shock attenuation part, the secondary of production or slight rocking lead to the shock attenuation effect high-quality inadequately, and simultaneously, between structure atress and structure conduction strength, it is homogeneous and concentrated inadequately, great reduction the holistic bearing effect of support frame, moreover, can not be after the use, effective and quick removal is carried out. Therefore, the highway bridge construction supporting bracket with the shock absorption effect is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a public road bridge roof beam construction support bracket with shock attenuation effect to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a highway bridge construction supporting bracket with a damping effect comprises a bottom plate, a damping cylinder, a stand column, a cross beam and a supporting sleeper, wherein a cylindrical cavity is arranged inside two ends of the bottom plate, a threaded cross rod is arranged inside the cylindrical cavity, one end of the threaded cross rod is fixedly connected with a rotating shaft, the threaded cross rod is connected inside the cylindrical cavity in a rotating mode through the rotating shaft, the other end of the threaded cross rod is provided with a through hole in a penetrating mode, vertical threaded rods vertically penetrate through two ends of the bottom plate and vertically penetrate one side of the cylindrical cavity, the upper end of the bottom plate is fixedly connected with the damping cylinder, the damping cylinder is located on the inner side of the vertical threaded rod, the damping cylinder is composed of a first cavity, a second cavity and a third cavity, the upper ends inside the first cavity and the second cavity are fixedly connected with a first damping spring, the lower end of the first damping spring is fixedly connected with a first piston column, no. two piston columns of damping spring upper end fixed connection, No. three cavity inner wall both sides all link up and are provided with circular trompil, the stand is located the damping cylinder top and the stand lower extreme runs through damping cylinder upper end and No. two piston column upper end fixed connection, stand upper end fixed connection support frame, support frame upper end fixed connection crossbeam, the trapezoidal post of crossbeam upper end fixed connection, trapezoidal post upper end fixed connection supports the sleeper stone.

Preferably, the vertical threaded rod is in contact with and just matches with the thread line of the threaded cross rod, and the vertical threaded rod is in an inverted T-shaped shape.

Preferably, the damping oil is arranged inside the first cavity, the second cavity and the third cavity, and the first cavity, the second cavity and the third cavity are the same through circular holes.

Preferably, the surfaces of the two ends of the cross beam are provided with rubber shock absorption pads.

Preferably, the support frame is of an inverted trapezoidal structure.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an adopt the shock attenuation jar, after the stand top produced pressure, the stand sinks in to the shock attenuation jar, press and move No. two piston posts and sink and compress No. two damping spring, make the shock attenuation fluid in No. three cavities flow in through circular trompil to cavity and No. two cavities, and promote a piston post and compress No. one damping spring, come to the pressure absorption of top and utilize a damping spring to kick-back, promote a piston post and reset, with the shock attenuation fluid in No. three cavities of circular trompil extrusion, help stand resets, when playing good cushioning effect, can not produce the secondary and rock after making the stand reset, good stability has been guaranteed, the holistic bearing toughness of structure has been improved, the practicality has been strengthened.

2. The utility model discloses an adopt multiunit trapezoidal shape structure, not only effectual even strength conduction between the structure of having strengthened, when making stability better, guaranteed the homogeneity of atress, great reinforcing the bearing strength of structure.

3. The utility model discloses a set up screw thread horizontal pole and vertical threaded rod, insert the back in the through-hole with iron pole, rotate iron pole and drive the screw thread horizontal pole and rotate, utilize the screw thread to make vertical threaded rod rise or descend, after descending, can keep the level with the bottom plate, the ground area that can effectual enhancement bottom plate improves the stability of bottom plate, after rising, can prop up the bottom plate, can install the walking wheel additional in the bottom plate both sides, removes, the effectual convenience that improves the removal.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the damping cylinder of the present invention;

fig. 3 is a schematic view of the bottom plate structure of the present invention.

In the figure: the damping device comprises a base plate 1, a damping cylinder 2, a column 3, a cross beam 4, a supporting sleeper 5, a cylindrical cavity 6, a threaded cross rod 7, a rotating shaft 8, a through hole 9, a vertical threaded rod 10, a cavity 11I, a cavity 12 II, a cavity 13 III, a damping spring 14 II, a piston column 15 II, a circular hole 16, a damping spring 17I, a piston column 18I, a supporting frame 19, a trapezoidal column 20 and a rubber damping pad 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a highway bridge construction supporting bracket with a damping effect comprises a bottom plate 1, a damping cylinder 2, a stand column 3, a cross beam 4 and a supporting sleeper 5, wherein a cylindrical cavity 6 is arranged inside two ends of the bottom plate 1, a threaded cross rod 7 is arranged inside the cylindrical cavity 6, one end of the threaded cross rod 7 is fixedly connected with a rotating shaft 8, the threaded cross rod 7 is rotatably connected inside the cylindrical cavity 6 through the rotating shaft 8, a through hole 9 is formed in the other end of the threaded cross rod 7 in a penetrating manner, vertical threaded rods 10 are vertically arranged at two ends of the bottom plate 1 in a penetrating manner, the vertical threaded rods 10 vertically penetrate through one side of the cylindrical cavity 6, the damping cylinder 2 is fixedly connected at the upper end of the bottom plate 1 and is positioned inside the vertical threaded rods 10, the damping cylinder 2 consists of a first cavity 11, a second cavity 12 and a third cavity 13, and a damping spring 17 is fixedly connected at the upper ends inside the first cavity 11, no. one piston post 18 of the equal fixed connection of damping spring 17 lower extreme, No. two damping spring 14 of the inside lower extreme fixed connection of No. three cavity 13, No. two piston posts 15 of No. two damping spring 14 upper end fixed connection, No. three cavity 13 inner wall both sides all link up and are provided with circular trompil 16, stand 3 is located 2 tops of shock attenuation jar and 3 lower extremes of stand and runs through 2 upper ends of shock attenuation jar and No. two piston post 15 upper end fixed connection, 3 upper end fixed connection support frames 19 of stand, 19 upper end fixed connection crossbeam 4 of support frame, the trapezoidal post 20 of 4 upper end fixed connection of crossbeam, the trapezoidal post 20 upper end fixed connection supports sleeper stone 5.

Furthermore, the vertical threaded rod 10 is in contact with and just matches with the thread lines of the threaded cross rod 7, and the vertical threaded rod 10 is in an inverted T-shaped shape.

Furthermore, damping oil is arranged inside the first cavity 11, the second cavity 12 and the third cavity 13, and the first cavity 11, the second cavity 12 and the third cavity 13 are the same through a circular opening 16.

Further, the surfaces of both ends of the cross beam 4 are provided with rubber shock absorbing pads 21.

Further, the supporting frame 19 is an inverted trapezoid-shaped structure.

Specifically, when the supporting sleeper 5 is subjected to pressure, the force is uniformly dispersed on the beam 4 after being born by the trapezoidal column 20, part of the force is absorbed by the rubber shock pad 21 on the beam 4, and is secondarily absorbed by the rubber shock pad 21 at the lower end of the beam 4, the force is intensively guided onto the upright post 3 by the support frame 19, the upright post 3 is contracted and sunk into the shock absorption cylinder 2, the second piston post 15 is pressed and sunk, the second shock absorption spring 14 is compressed, the shock absorption oil in the third cavity 13 flows into the first cavity 11 and the second cavity 12 through the circular opening 16, the first piston post 18 is pushed to compress the first shock absorption spring 17, the upper pressure is absorbed, the first shock absorption spring 17 is rebounded to push the first piston post 18 to reset, the shock absorption oil is extruded into the third cavity 13 through the circular opening 16 to help the upright post 3 to reset, the back that resets of stand 3, because be full of shock attenuation fluid in the shock attenuation jar 2, guarantee that stand 3 can not produce the secondary and rock, thereby reach good shock attenuation effect, keep the holistic stable effect of structure, after finishing using, can choose a suitable iron set wantonly and insert in through-hole 9 after, rotate the iron set and drive screw thread horizontal pole 7 and rotate, utilize the screw thread line to make vertical threaded rod 10 rise, after rising, can prop up bottom plate 1, can install the walking wheel additional in 1 both sides of bottom plate, move, can carry out reciprocal cyclic utilization, the engineering cost is reduced, the practical effect of environmental protection is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a public road bridge roof beam construction support bracket with shock attenuation effect, includes bottom plate (1), shock attenuation jar (2), stand (3), crossbeam (4) and support sleeper stone (5), its characterized in that: the damping device is characterized in that a cylinder cavity (6) is arranged inside two ends of the bottom plate (1), a threaded cross rod (7) is arranged inside the cylinder cavity (6), one end of the threaded cross rod (7) is fixedly connected with a rotating shaft (8), the threaded cross rod (7) is connected inside the cylinder cavity (6) through the rotating shaft (8), the other end of the threaded cross rod (7) is provided with a through hole (9) in a penetrating manner, vertical threaded rods (10) vertically penetrate through two ends of the bottom plate (1), the vertical threaded rods (10) vertically penetrate through one side of the cylinder cavity (6), the upper end of the bottom plate (1) is fixedly connected with a damping cylinder (2), the damping cylinder (2) is located on the inner side of the vertical threaded rods (10), the damping cylinder (2) is composed of a first cavity (11), a second cavity (12) and a third cavity (13), and the inner upper ends of the first cavity (11) and the second cavity (12), equal fixed connection piston post (18) of damping spring (17) lower extreme, No. two damping spring (14) of the inside lower extreme fixed connection of No. three cavity (13), No. two piston post (15) of damping spring (14) upper end fixed connection, No. three cavity (13) inner wall both sides all link up and are provided with circular trompil (16), stand (3) are located damping cylinder (2) top and stand (3) lower extreme and run through damping cylinder (2) upper end and No. two piston post (15) upper end fixed connection, stand (3) upper end fixed connection support frame (19), support frame (19) upper end fixed connection crossbeam (4), crossbeam (4) upper end fixed connection trapezoidal post (20), trapezoidal post (20) upper end fixed connection supports sleeper stone (5).

2. The road bridge construction support bracket with a shock-absorbing effect of claim 1, wherein: the vertical threaded rod (10) is in contact with thread grains of the threaded cross rod (7) and just matched with the thread grains, and the vertical threaded rod (10) is in an inverted T-shaped shape.

3. The road bridge construction support bracket with a shock-absorbing effect of claim 1, wherein: a damping oil liquid is arranged inside the first cavity (11), the second cavity (12) and the third cavity (13), and the first cavity (11), the second cavity (12) and the third cavity (13) are the same through a circular hole (16).

4. The road bridge construction support bracket with a shock-absorbing effect of claim 1, wherein: the surfaces of two ends of the cross beam (4) are provided with rubber shock absorption pads (21).

5. The road bridge construction support bracket with a shock-absorbing effect of claim 1, wherein: the support frame (19) is of an inverted trapezoidal structure.

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