CN111535154B

CN111535154B - Bridge damping and noise reducing installation device

Info

Publication number: CN111535154B
Application number: CN202010390068.0A
Authority: CN
Inventors: 钱骥; 王旭; 周建庭
Original assignee: Chongqing Jiaotong University
Current assignee: Chongqing Jiaotong University
Priority date: 2020-05-11
Filing date: 2020-05-11
Publication date: 2021-07-06
Anticipated expiration: 2040-05-11
Also published as: CN111535154A

Abstract

The invention belongs to the technical field of bridge construction, and particularly relates to a shock-absorbing noise-reducing mounting device for a bridge, wherein the top end of a pile foundation in a mounting box extends to the upper part of the mounting box, two slide rails are symmetrically and fixedly mounted at the top part of the mounting box, two L-shaped rods are slidably connected onto the slide rails, are respectively positioned at two sides of the pile foundation and are clamped with the pile foundation, moving rods are slidably connected at two sides of the mounting box and are respectively in transmission connection with the two L-shaped rods, the pile foundation can be clamped and mounted by moving the two L-shaped rods, anchor rods at two sides can extend to two sides of a pressing plate, and the pile foundation can be stably mounted, and in the technical scheme, the pile foundation can be stably supported by using a plurality of V-shaped support rods and buffer cushions, the toughness can be increased, and the pile foundation can be prevented from being damaged when being subjected to larger stress, has good shock resistance.

Description

Bridge damping and noise reducing installation device

Technical Field

The invention belongs to the technical field of bridge construction, and relates to a bridge damping and noise reducing installation device.

Background

In the 21 st century, bridge construction in China is rapidly developed and becomes an important component in a transportation system. China is vast in regions, and the geographic conditions of each region are different, so that the bridge construction requirements are different. The bridge generally refers to a structure which is erected on rivers, lakes and seas and enables vehicles, pedestrians and the like to smoothly pass through. In order to adapt to the modern high-speed developed traffic industry, bridges are also extended to be constructed to span mountain stream, unfavorable geology or meet other traffic needs, so that the buildings are convenient to pass. The bridge generally comprises an upper structure, a lower structure, a support and an auxiliary structure, wherein the upper structure is also called a bridge span structure and is a main structure for spanning obstacles; the lower structure comprises a bridge abutment, a bridge pier and a foundation; the support is a force transmission device arranged at the supporting positions of the bridge span structure and the bridge pier or the bridge abutment; the auxiliary structures refer to bridge end butt straps, tapered revetments, diversion works and the like.

The damping device is frequently used in the bridge construction process, the damage of a bridge structure caused by vibration force generated in the construction process is avoided, and the normal construction of a bridge is ensured, but the damping mode of the damping device for the bridge construction at present is only to increase a rubber damping pad at the bottom of the damping device, so that the damping effect of the damping mode is poor, only part of vibration force can be eliminated, the applicability is poor, and the reliability is low, so that the bridge damping and noise reducing mounting device is provided for solving the problems.

Disclosure of Invention

In view of this, the invention provides a bridge damping and noise reducing installation device, which aims to solve the problem that the existing damping mode used for bridge construction is poor in applicability and damping effect.

In order to achieve the purpose, the invention provides a bridge damping and noise reducing installation device which comprises an installation box, wherein a pile foundation is arranged in the installation box, the top end of the pile foundation extends to the upper side of the installation box, two slide rails are symmetrically and fixedly installed at the top of the installation box, two L-shaped rods are connected onto the slide rails in a sliding mode, are respectively located on two sides of the pile foundation and are clamped with the pile foundation, moving rods are connected onto two sides of the installation box in a sliding mode and are respectively in transmission connection with the two L-shaped rods, the bottom ends of the two moving rods are fixedly provided with a same pressing plate, the bottom of the pressing plate is symmetrically and rotatably connected with two drill bits, the drill bits are of a hollow structure, are both in transmission connection with the installation box, and are symmetrically and slidably connected with two connecting plates at the bottom of the pressing plate.

The beneficial effect of this basic scheme lies in: utilize transmission structure can conveniently drive the stock and remove when installing the pile foundation.

Further, slip the cover on the pile foundation and be equipped with the snap ring, and the bottom symmetry of snap ring has seted up two arc type grooves, and the equal fixed mounting in top of two L type poles has the arc template, and the top fixed mounting of arc template has the cardboard, and the top of two cardboards extends to two arc type inslots respectively and clamps beneficial effect with the inner wall activity in two arc type grooves respectively: the L-shaped rod can be limited.

Further, the both sides top of pile foundation all rotates and is connected with the screw thread cover, and screw thread cover internal thread connection has the screw rod, the bottom of two screw rods extend to in the screw thread cover respectively and all with the top fixed connection of snap ring, beneficial effect: the clamp ring can be conveniently moved longitudinally.

Further, the equal fixed mounting in one side that two L type poles are close to each other has splint, and two splint all with pile foundation looks cartridge, beneficial effect: the supporting strength of the pile foundation can be effectively enhanced.

Further, fixed mounting has the go-between that the slope set up on the L type pole, and one side top fixed mounting of carriage release lever has the fender axle, and the one end of two fender axles extends respectively to in two go-between and is connected beneficial effect with two go-between transmissions respectively: when the L-shaped rod is moved, the movable rod is driven to move longitudinally.

Further, the connector has all been seted up to the both sides of install bin, and connector internal sliding connection has a slide, and two carriage release levers run through two slides respectively and respectively with two slide sliding connection, beneficial effect: the movable rod can be limited in sliding.

Further, the bottom symmetry fixed mounting of install bin has two ball, and fixed mounting has ball nut in the drill bit, and two ball run through two ball nuts respectively and respectively with two ball nut threaded connection, beneficial effect: the drill bit can be driven to rotate when the pressing plate moves longitudinally.

Further, fixed cover is equipped with the gear on the drill bit, and the bottom symmetry sliding connection of clamp plate has two racks, the one end that two racks kept away from each other respectively with two connecting plates, and two racks mesh with two gears respectively mutually, beneficial effect: when the drill bit rotates, the anchor rod can be driven to move.

Further, the bottom plate has been placed on the bottom inner wall of install bin, and the top fixed mounting of bottom plate has the backup pad, and the constant head tank has been seted up at the top of backup pad, and constant head tank internal fixation installs the slipmat, and the bottom of pile foundation extends to in the constant head tank and closely laminates beneficial effect with the slipmat: can realize carrying out spacing support to the pile foundation.

Further, equidistant fixed mounting has a plurality of V type bracing pieces in the top symmetry of bottom plate, and the top of a plurality of V type bracing pieces all with the bottom fixed connection of backup pad, fixed mounting has V type auxiliary rod on the V type bracing piece, fixed mounting has the blotter between bottom plate and the backup pad, and a plurality of V type bracing pieces of blotter parcel and a plurality of V type auxiliary rod, beneficial effect: the shock absorption of the pile foundation can be realized.

The invention has the beneficial effects that:

1. according to the bridge damping and noise reducing mounting device disclosed by the invention, the pile foundation is inserted into the mounting box, and the pile foundation is tightly matched with the non-slip mat, at the moment, the two L-shaped rods can be simultaneously pushed to be close to each other, so that the pile foundation can be clamped by using the two clamping plates, the pile foundation can be clamped by using the two arc-shaped plates, the supporting strength of the pile foundation can be enhanced, and then the two L-shaped rods can be limited by simultaneously rotating the two thread covers;

when L type pole removes, can be under the cooperation of go-between and fender axle, make the carriage release lever remove downwards, at this moment just can drive the clamp plate and remove downwards, when the clamp plate removes downwards, can drive the drill bit and rotate, at this moment just can drive the gear and rotate, can promote the connecting plate through the rack and carry out lateral shifting, the stock that can drive both sides keeps away from each other, carry out the package clamp back to the pile foundation, can place the install bin rather than the subassembly that sets up at this moment in the well pot head of seting up in advance, later can be with concrete placement in the pot head, can realize fixing this device.

2. According to the bridge damping and noise reduction mounting device disclosed by the invention, the pile foundation can be mounted in a wrapping and clamping manner by moving the two L-shaped rods, the anchor rods on the two sides can be extended to the two sides of the pressing plate, so that the pile foundation can be stably mounted, and in addition, the pile foundation can be stably supported by using the plurality of V-shaped supporting rods and the buffer cushions to support the pile foundation, so that the toughness can be increased, the pile foundation can be prevented from being damaged when being subjected to larger stress, and the bridge damping and noise reduction mounting device has good damping property.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.

Drawings

For the purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:

FIG. 1 is a front view of a bridge damping and noise reducing mounting device according to the present invention;

FIG. 2 is a front view of an internal structure of a mounting box in the bridge damping and noise reduction mounting device of the present invention;

FIG. 3 is a front view of a connecting structure of a ball screw and a drill bit in the bridge damping and noise reduction mounting device according to the present invention;

FIG. 4 is a front view of a connection structure of a snap ring and an arc-shaped plate in the bridge damping and noise reduction mounting device according to the present invention;

FIG. 5 is a top view of a structure of a middle pressing plate of the bridge damping and noise reducing installation device of the present invention.

Reference numerals: the mounting box comprises a mounting box 1, a pile foundation 2, a thread cover 3, a clamping ring 4, a screw rod 5, an L-shaped rod 6, a clamping plate 7, a connecting ring 8, a moving rod 9, a pressing plate 10, a ball screw 11, a drill bit 12, a gear 13, an anchor rod 14, a rack 15, a supporting plate 16, a non-slip mat 17, a bottom plate 18, a V-shaped supporting rod 19, a V-shaped auxiliary rod 20, a buffer pad 21, an arc-shaped plate 22, a clamping plate 23, a ball screw nut 24, a connecting port 25, a sliding rail 26, a blocking shaft 27 and a connecting plate.

Detailed Description

The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.

Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the invention thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.

The bridge damping and noise reducing installation device shown in fig. 1-5 comprises an installation box 1, a pile foundation 2 is arranged in the installation box 1, the top end of the pile foundation 2 extends to the upper part of the installation box 1, two slide rails 26 are symmetrically and fixedly installed at the top part of the installation box 1, two L-shaped rods 6 are connected on the slide rails 26 in a sliding way, two L-shaped rods 6 are respectively positioned at two sides of the pile foundation 2 and are clamped with the pile foundation 2, two sides of the installation box 1 are both connected with a movable rod 9 in a sliding way, and the two moving rods 9 are respectively connected with the two L-shaped rods 6 in a transmission way, the bottom ends of the two moving rods 9 are fixedly provided with the same pressing plate 10, and the bottom of the pressure plate 10 is symmetrically and rotatably connected with two drill bits 12, the drill bits 12 are of a hollow structure, the two drill bits 12 are both in transmission connection with the installation box 1, and the bottom of the pressure plate 10 is symmetrically connected with two connecting plates 28 in a sliding manner, and the two connecting plates 28 are respectively in transmission connection with the two drill bits 12.

Wherein, by inserting the pile foundation 2 into the installation box 1, and making the pile foundation 2 closely cooperate with the non-slip mat 17, at this time, two L-shaped rods 6 can be simultaneously pushed, so that the two L-shaped rods 6 are close to each other, thereby the pile foundation 2 can be clamped by using two clamping plates 7, and simultaneously the pile foundation 2 can be clamped by using two arc-shaped plates 22, so that the supporting strength of the pile foundation 2 can be enhanced, then two thread covers 3 can be simultaneously rotated, so that the two L-shaped rods 6 can be limited, when the L-shaped rods 6 move, the moving rod 9 can move downwards under the cooperation of the connecting ring 8 and the baffle shaft 27, at this time, the pressing plate 10 can be driven to move downwards, when the pressing plate 10 moves downwards, the drill bit 12 can be driven to rotate, at this time, the gear 13 can be driven to rotate, the connecting plate 28 can be pushed by the rack 15 to move transversely, so that the anchor rods 14 at both sides can be driven to be, after the pile foundation 2 is wrapped and clamped, the installation box 1 and the components arranged on the installation box can be placed in a pre-arranged pit groove, concrete can be poured into the pit groove, and the device can be fixed.

In this embodiment, the slip cap is equipped with snap ring 4 on pile foundation 2, and two arc type grooves have been seted up to the bottom symmetry of snap ring 4, and the equal fixed mounting in top of two L type poles 6 has arc type plate 22, and the top fixed mounting of arc type plate 22 has cardboard 23, and the top of two cardboard 23 extends to respectively in two arc type grooves and clamps beneficial effect with the inner wall activity in two arc type grooves respectively: the L-shaped rod 6 can be limited.

In this embodiment, the both sides top of pile foundation 2 all rotates and is connected with

screw thread cover

3, and 3 internal thread connections of screw thread cover have screw rod 5, and the bottom of two screw rods 5 extends to in the screw thread cover 3 respectively and all with the top fixed connection of snap ring 4, beneficial effect: the snap ring 4 can be moved longitudinally conveniently.

In this embodiment, the equal fixed mounting in one side that two L type poles 6 are close to each other has splint 7, and two splint 7 all press from both sides dress, beneficial effect with pile foundation 2 mutually: the supporting strength of the pile foundation 2 can be effectively enhanced.

In this embodiment, fixed mounting has the go-between 8 that the slope set up on the L type pole 6, and one side top fixed mounting of carriage release lever 9 has the fender axle 27, and the one end of two fender axles 27 extends respectively to in two go-between 8 and be connected with two go-between 8 transmissions respectively, beneficial effect: the L-shaped rod 6 can be moved to drive the moving rod 9 to move longitudinally.

In this embodiment, connector 25 has all been seted up to the both sides of install bin 1, and connector 25 sliding connection has a slide, and two carriage release levers 9 run through two slides respectively and respectively with two slide sliding connection, beneficial effect: the movable rod 9 can be limited in sliding.

In this embodiment, the bottom symmetry fixed mounting of install bin 1 has two ball 11, and fixed mounting has ball nut 24 in the drill bit 12, and two ball 11 run through two ball nuts 24 respectively and respectively with two ball nut 24 threaded connection, beneficial effect: the drill bit 12 is rotated while the pressing plate 10 is moved longitudinally.

In this embodiment, fixed cover is equipped with gear 13 on the drill bit 12, and the bottom symmetry sliding connection of clamp plate 10 has two racks 15, and the one end that two racks 15 kept away from each other respectively with two connecting plates 28, and two racks 15 mesh with two gears 13 respectively mutually, beneficial effect: as the drill bit 12 rotates, the bolt 14 is moved.

In this embodiment, placed bottom plate 18 on the bottom inner wall of install bin 1, and the top fixed mounting of bottom plate 18 has backup pad 16, and the constant head tank has been seted up at the top of backup pad 16, and fixed mounting non-slip mat 17 in the constant head tank, the bottom of pile foundation 2 extend to in the constant head tank and closely laminate beneficial effect with non-slip mat 17: can realize carrying out spacing support to pile foundation 2.

In this embodiment, the equidistant fixed mounting in top symmetry of bottom plate 18 has a plurality of V type bracing pieces 19, and the top of a plurality of V type bracing pieces 19 all with the bottom fixed connection of backup pad 16, fixed mounting has V type auxiliary rod 20 on the V type bracing piece 19, fixed mounting has blotter 21 between bottom plate 18 and the backup pad 16, and blotter 21 parcel a plurality of V type bracing pieces 19 and a plurality of V type auxiliary rod 20, beneficial effect: the pile foundation 2 can be damped.

The application method of the bridge damping and noise reducing installation device comprises the steps that the pile foundation 2 is inserted into the installation box 1, the pile foundation 2 is tightly matched with the anti-slip mat 17, at the moment, the two L-shaped rods 6 can be pushed simultaneously, the two L-shaped rods 6 are close to each other, so that the pile foundation 2 can be clamped by the two clamping plates 7, the pile foundation 2 can be clamped by the two arc-shaped plates 22, the supporting strength of the pile foundation 2 can be enhanced, then the two thread covers 3 can be simultaneously rotated to drive the clamping ring 4 to move downwards, when the clamping ring 4 moves downwards, the two clamping plates 23 can respectively move into the two arc-shaped grooves, the two L-shaped rods 6 can be limited, when the L-shaped rods 6 move, the moving rods 9 can move downwards under the matching of the connecting rings 8 and the blocking shafts 27, and the pressing plates 10 can be driven to move downwards, when the pressing plate 10 moves downwards, the drill bit 12 can be driven to rotate under the coordination of the ball screw 11 and the ball screw nut 24, at the moment, the gear 13 can be driven to rotate, the connecting plate 28 can be pushed to move transversely through the rack 15, the anchor rods 14 on two sides can be driven to be away from each other, after the pile foundation 2 is wrapped and clamped, the installation box 1 and components arranged on the installation box can be placed in a preset pit groove, concrete is uniformly filled between the installation box 1 and the pressing plate 10, then the concrete can be poured into the pit groove, and the device can be fixed, in the technical scheme, a plurality of V-shaped supporting rods 19 and buffer cushions 21 are arranged between the supporting plate 16 and the bottom plate 18, the V-shaped supporting rods 19 have flexibility so as to provide allowance for longitudinal movement of the pile foundation 2, and under the wrapping effect of the buffer cushions 21, can realize a plurality of V type bracing pieces 19 and link an organic whole to have good toughness, can prevent that pile foundation 2 from receiving when great stress, can carry out the removal of small amplitude, can prevent to appear damaging.

Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.

Claims

1. A bridge damping and noise reducing installation device comprises an installation box (1) and is characterized in that a pile foundation (2) is arranged in the installation box (1), the top end of the pile foundation (2) extends to the upper portion of the installation box (1), two sliding rails (26) are symmetrically and fixedly installed at the top of the installation box (1), two L-shaped rods (6) are connected onto the sliding rails (26) in a sliding mode, the two L-shaped rods (6) are respectively located on two sides of the pile foundation (2) and are clamped with the pile foundation (2), moving rods (9) are respectively connected onto two sides of the installation box (1) in a sliding mode, the two moving rods (9) are respectively in transmission connection with the two L-shaped rods (6), the bottom ends of the two moving rods (9) are fixedly installed with a same pressing plate (10), two drill bits (12) are rotationally connected to the bottom of the pressing plate (10) in a symmetrical mode, the drill bits (12) are of a hollow structure, and the two drill bits, the bottom of the pressing plate (10) is symmetrically connected with two connecting plates (28) in a sliding manner, and the two connecting plates (28) are respectively in transmission connection with the two drill bits (12); the top parts of the two sides of the pile foundation (2) are rotatably connected with thread covers (3), the thread covers (3) are internally threaded with screw rods (5), and the bottom ends of the two screw rods (5) respectively extend into the thread covers (3) and are fixedly connected with the top parts of the clamping rings (4); the L-shaped rod (6) is fixedly provided with obliquely arranged connecting rings (8), the top of one side of the movable rod (9) is fixedly provided with a baffle shaft (27), and one ends of the two baffle shafts (27) respectively extend into the two connecting rings (8) and are respectively in transmission connection with the two connecting rings (8); the bottom of the mounting box (1) is symmetrically and fixedly provided with two ball screws (11), ball screw nuts (24) are fixedly arranged in the drill bit (12), and the two ball screws (11) respectively penetrate through the two ball screw nuts (24) and are respectively in threaded connection with the two ball screw nuts (24); a gear (13) is fixedly sleeved on the drill bit (12), the bottom of the pressing plate (10) is symmetrically and slidably connected with two racks (15), one ends, far away from each other, of the two racks (15) are respectively connected with two connecting plates (28), and the two racks (15) are respectively meshed with the two gears (13); placed bottom plate (18) on the bottom inner wall of install bin (1), and the top fixed mounting of bottom plate (18) has backup pad (16), the equidistant fixed mounting of top symmetry of bottom plate (18) has a plurality of V type bracing pieces (19), and the top of a plurality of V type bracing pieces (19) all with the bottom fixed connection of backup pad (16), fixed mounting has V type auxiliary rod (20) on V type bracing piece (19), fixed mounting has blotter (21) between bottom plate (18) and backup pad (16), and blotter (21) parcel a plurality of V type bracing pieces (19) and a plurality of V type auxiliary rod (20).

2. The bridge damping and noise reducing mounting device according to claim 1, wherein the pile foundation (2) is slidably sleeved with a snap ring (4), the bottom of the snap ring (4) is symmetrically provided with two arc-shaped grooves, the top ends of the two L-shaped rods (6) are both fixedly provided with arc-shaped plates (22), the top of each arc-shaped plate (22) is fixedly provided with a snap plate (23), and the top of each snap plate (23) extends into each of the two arc-shaped grooves and is movably clamped with the inner walls of the two arc-shaped grooves.

3. A shock-absorbing noise-reducing mounting device for a bridge according to claim 1, wherein a clamping plate (7) is fixedly mounted on the side where the two L-shaped rods (6) are close to each other, and the two clamping plates (7) are clamped with the pile foundation (2).

4. A shock-absorbing noise-reducing mounting device for a bridge as claimed in claim 1, wherein the mounting box (1) is provided with connectors (25) at both sides thereof, and the connectors (25) are slidably connected with sliding plates, and two movable rods (9) respectively penetrate through and are slidably connected with the two sliding plates.

5. A bridge damping and noise reducing mounting device according to claim 1, wherein the top of the supporting plate (16) is provided with a positioning groove, a non-slip mat (17) is fixedly mounted in the positioning groove, and the bottom end of the pile foundation (2) extends into the positioning groove and is tightly attached to the non-slip mat (17).