CN217149877U

CN217149877U - Highway bridge connection structure with antidetonation function

Info

Publication number: CN217149877U
Application number: CN202221067969.7U
Authority: CN
Inventors: 马卫华; 杨志辉; 汤俊雄
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-05-06
Filing date: 2022-05-06
Publication date: 2022-08-09
Anticipated expiration: 2032-05-06

Abstract

The utility model discloses a public road bridge roof beam connection structure with antidetonation function relates to public road bridge roof beam connection structure technical field, has solved and has needed substep elasticity in proper order to operate all locating component when dismouting connection structure is whole, the inconvenient problem of troublesome to use. The highway bridge connecting structure with the anti-seismic function comprises a strip-shaped bottom plate, wherein the strip-shaped bottom plate is fixedly locked at the top end of a pier through an expansion screw, two I-shaped positioning blocks are symmetrically welded at the front side position of the top end of the strip-shaped bottom plate, and a thread sleeve is welded at the position, adjacent to the left I-shaped positioning block, of the top end of the strip-shaped bottom plate; an inserting positioning piece is slidably mounted on the two I-shaped positioning blocks; two sliding grooves are arranged on the main sliding rod at left and right intervals. The utility model discloses a grafting setting element can order about everywhere L form inserted bar in step and take out the elasticity of inserting to the post of inserting everywhere, and this saves step when the assembly uses the structure whole step in proper order to take out the trouble of inserting the elasticity to everywhere L form inserted bar implementation.

Description

Highway bridge connection structure with antidetonation function

Technical Field

The utility model relates to a public road bridge roof beam connection structure technical field specifically is public road bridge roof beam connection structure with antidetonation function.

Background

In order to deal with the heavy pressure suffered by the bridge, an anti-seismic structure is mostly required to be arranged on the connecting structure of the bridge and the bridge pier. The connecting structure of the existing highway bridge is mostly provided with a plurality of combined mounting mechanisms, positioning assemblies of the combined mounting mechanisms are mostly arranged in a split mode, a synchronous connecting mechanism is lacked between the positioning assemblies, all the positioning assemblies are required to be sequentially and tightly operated step by step when the connecting structure is integrally disassembled and assembled, the use is troublesome and inconvenient, in addition, the buffering structure is single, single buffering can be mostly implemented on the bridge, and the anti-seismic performance is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a public road bridge roof beam connection structure with antidetonation function to the locating component who proposes many places combination installation mechanism in solving above-mentioned background art mostly adopts the components of a whole that can function independently setting, lacks synchronous coupling mechanism between it, need substep elasticity in proper order operate all locating components when dismouting connection structure is whole, the inconvenient problem of troublesome to use.

In order to achieve the above object, the utility model provides a following technical scheme: the highway bridge connecting structure with the anti-seismic function comprises a strip-shaped bottom plate and a mounting disc, wherein the strip-shaped bottom plate is fixedly locked at the top end of a pier through an expansion screw, two I-shaped positioning blocks are symmetrically welded at the front side position of the top end of the strip-shaped bottom plate, and a threaded sleeve is welded at the position, adjacent to the left I-shaped positioning block, of the top end of the strip-shaped bottom plate; the two I-shaped positioning blocks are provided with one inserting positioning piece in a sliding way, and the inserting positioning piece is integrally composed of a main sliding rod and four L-shaped inserting rods welded on the main sliding rod at equal intervals, wherein the left end of the main sliding rod is rotatably connected with a threaded shaft which is correspondingly matched with the threaded sleeve in a penetrating way; two sliding grooves are formed in the main sliding rod at left and right intervals, and two I-shaped positioning blocks are correspondingly in sliding fit with the two sliding grooves; four plug bushes are welded at the top end of the strip-shaped bottom plate at equal intervals; the mounting disc is provided with everywhere, and the mounting disc of everywhere passes through inflation screw locking to be fixed in the bottom of bridge, and all welded fastening has one to insert the post on the mounting disc of everywhere, inserts the post correspondence and the cooperation of pegging graft of everywhere plug bush.

Preferably, a stationary ring is welded and fixed in the middle of the circumferential outer wall of the plug bush, and a sliding ring is sleeved on the upper half section of the circumferential outer wall of the plug bush.

Preferably, the bottom of the sliding ring is welded with four sliding shafts in a surrounding mode, and the four sliding shafts are correspondingly matched with the stationary ring in a penetrating and sliding mode through spring pushing.

Preferably, four ejector rods are welded at the bottom of the outer ring of the circumference of the mounting disc in a surrounding mode, and the bottoms of the four ejector rods are abutted and contacted with the sliding ring.

Preferably, two limiting shafts are symmetrically welded at the bottom of the sliding ring, and a distance is kept between the two limiting shafts and the stationary ring.

Preferably, the inner wall of the circumference of the lower half section of the plug bush is provided with four track grooves in an encircling manner, a stress disc is slidably mounted in each track groove, and a spring is arranged between each stress disc and the corresponding strip-shaped bottom plate in a compressing manner.

Preferably, the four inserting columns are all provided with one inserting groove, the four L-shaped inserting rods penetrate through the four inserting sleeves to correspondingly be matched with the four inserting columns in an inserting mode, and the height of each inserting groove is twice the thickness of each L-shaped inserting rod.

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

1. when the bridge is pressed, the bridge can drive the four mounting plates and the four ejector rods to slide downwards, and the four ejector rods can push and drive the sliding rings to compress the springs on the four sliding shafts to move downwards, so that the bridge is buffered for the first time;

2. when the installation disc is driven by the bridge to slide downwards, the installation disc can also drive the four insertion columns to slide downwards and push the force-bearing disc to compress the spring to move downwards, so that the second buffering of the bridge is realized, and the bridge has better anti-seismic performance under the double buffering;

3. the utility model discloses, the height of slot is the twice of L form inserted bar thickness, L form inserted bar can be with plug bush and the post grafting of inserting of four places together fixed, and the grafting setting element impels through the screw shaft and orders about left smooth slip and can order about four places L form inserted bar in step and take out the elasticity of inserting to the post of inserting of four places, this saves step when assembling the use structure wholly and implements to take out the trouble of inserting the elasticity to four places L form inserted bar in proper order, convenient to use saves, and because the height of slot is the twice of L form inserted bar thickness, this can guarantee that the post of inserting can not be not carried out normal buffer function by the atress dish of pushing down of blockking of L form inserted bar.

Drawings

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

FIG. 2 is a schematic view of the overall rear structure of the present invention;

FIG. 3 is a schematic view of the structure of the inserting positioning member of the present invention;

FIG. 4 is a schematic view of the half-section internal structure of the plug bush of the present invention;

FIG. 5 is a schematic view of the structure of the plug post of the present invention;

in the figure: 1. a strip-shaped bottom plate; 101. i-shaped positioning blocks; 102. a threaded sleeve; 2. inserting and positioning pieces; 201. an L-shaped insert rod; 3. mounting a disc; 301. inserting a column; 302. a top rod; 4. inserting a sleeve; 401. a stationary ring; 402. a slip ring; 403. a slide shaft; 404. a limiting shaft; 405. a stress disc.

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.

Referring to fig. 1 to 5, the present invention provides an embodiment: the highway bridge connecting structure with the anti-seismic function comprises a strip-shaped bottom plate 1 and a mounting disc 3, wherein the strip-shaped bottom plate 1 is fixedly locked at the top end of a pier through an expansion screw, two I-shaped positioning blocks 101 are symmetrically welded at the front side position of the top end of the strip-shaped bottom plate 1, and a threaded sleeve 102 is welded at the position, adjacent to the left I-shaped positioning block 101, of the top end of the strip-shaped bottom plate 1; the two I-shaped positioning blocks 101 are provided with one inserting positioning piece 2 in a sliding manner, and the inserting positioning piece 2 integrally comprises a main sliding rod and four L-shaped inserting rods 201 welded on the main sliding rod at equal intervals, wherein the left end of the main sliding rod is rotatably connected with a threaded shaft which is correspondingly matched with the threaded sleeve 102 in a penetrating manner; two sliding grooves are arranged on the main sliding rod at intervals from left to right, and two I-shaped positioning blocks 101 are correspondingly in sliding fit with the two sliding grooves; four plug bushes 4 are welded at the top end of the strip-shaped bottom plate 1 at equal intervals; the mounting disc 3 is provided with four positions, the four mounting discs 3 are locked and fixed at the bottom of the bridge through expansion screws, the four mounting discs 3 are fixedly welded with one inserting column 301, and the four inserting columns 301 are correspondingly matched with the four inserting sleeves 4 in an inserting manner; a stationary ring 401 is fixedly welded in the middle of the circumferential outer wall of the plug bush 4, and a sliding ring 402 is sleeved on the upper half section of the circumferential outer wall of the plug bush 4; the bottom of the sliding ring 402 is welded with four sliding shafts 403 in a surrounding manner, and the four sliding shafts 403 are correspondingly penetrated and matched with the stationary ring 401 in a sliding manner through spring pushing.

Further, four ejector rods 302 are welded around the bottom of the outer ring of the circumference of the mounting disc 3, the bottoms of the four ejector rods 302 are abutted to the sliding ring 402, when the bridge is pressed, the four mounting discs 3 and the four ejector rods 302 can be driven to slide downwards, the four ejector rods 302 can push and drive the sliding ring 402 to compress springs on the four sliding shafts 403 to move downwards, and the bridge is buffered for the first time.

Further, two limiting shafts 404 are symmetrically welded at the bottom of the sliding ring 402, a distance is kept between the two limiting shafts 404 and the stationary ring 401, the two limiting shafts 404 can slide down to abut against the stationary ring 401, and the L-shaped inserting rod 201 is prevented from being broken due to interference sliding of the inserting column 301 when the inserting column is under large pressure.

Further, it is equipped with four track grooves to encircle on the circumference inner wall of the second half section of plug bush 4, and slidable mounting has a atress dish 405 in the four track grooves, and the compression is provided with a spring between atress dish 405 and the bar bottom plate 1, and when the mounting disc 3 was driven the lapse by the bridge, still can drive four places and insert post 301 lapse and top and push away and order about atress dish 405 compression spring and move down, realizes the second buffering to the bridge, the utility model discloses a bridge has the anti-seismic performance of preferred under the additional of dual buffering.

Furthermore, a slot is formed in each of the four insertion posts 301, the four L-shaped insertion rods 201 penetrate through the four insertion sleeves 4 to be correspondingly matched with the four insertion posts 301 in an inserting manner, the height of the slot is twice of the thickness of the L-shaped insertion rods 201, the four insertion sleeves 4 and the four insertion posts 301 can be fixedly inserted by the L-shaped insertion rods 201, the insertion positioning piece 2 is pushed by the threaded shaft to drive the left sliding to synchronously drive the four L-shaped insertion rods 201 to pull out and insert tightness of the four insertion posts 301, the trouble that the pull-out and insert tightness of the four L-shaped insertion rods 201 is sequentially implemented when the assembly and use structure is integral is eliminated, the use is convenient and economical, and the insertion posts 301 can be guaranteed to be pressed down by the stress disc 405 without being blocked by the L-shaped insertion rods 201 to implement a normal buffering function due to the height of the slot being twice of the thickness of the L-shaped insertion rods 201.

The working principle is as follows: when the bridge buffering device is used, the L-shaped inserting rods 201 can fixedly insert the inserting sleeves 4 and the four inserting columns 301 together in an inserting mode, when a bridge is pressed, the bridge can drive the four mounting discs 3 and the four ejector rods 302 to slide downwards, the four ejector rods 302 can push and order the sliding rings 402 to compress the springs on the four sliding shafts 403 to move downwards, first buffering is conducted on the bridge, in addition, when the mounting discs 3 are driven to slide downwards by the bridge, the four inserting columns 301 can be driven to slide downwards, the four ejecting rods 302 can be pushed and order the stressed discs 405 to compress the springs to move downwards, second buffering on the bridge is achieved, and the bridge buffering device has better anti-seismic performance under the clamping of double buffering.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Public road bridge roof beam connection structure with antidetonation function, its characterized in that: the highway bridge connecting structure comprises a strip-shaped bottom plate (1) and a mounting disc (3), wherein the strip-shaped bottom plate (1) is fixed at the top end of a pier in a locking mode through expansion screws, two I-shaped positioning blocks (101) are symmetrically welded at the front side position of the top end of the strip-shaped bottom plate (1), and a threaded sleeve (102) is welded at the position, adjacent to the left I-shaped positioning block (101), of the top end of the strip-shaped bottom plate (1); two I-shaped positioning blocks (101) are provided with one plugging positioning piece (2) in a sliding way, and the plugging positioning piece (2) is integrally composed of a main sliding rod and four L-shaped plugging rods (201) welded on the main sliding rod at equal intervals, wherein the left end of the main sliding rod is rotatably connected with a threaded shaft which is correspondingly matched with a threaded sleeve (102) in a penetrating way; two sliding grooves are formed in the main sliding rod at left and right intervals, and two I-shaped positioning blocks (101) are correspondingly in sliding fit with the two sliding grooves; four plug bushes (4) are welded at the top end of the strip-shaped bottom plate (1) at equal intervals; the mounting disc (3) is provided with everywhere, and everywhere mounting disc (3) are fixed in the bottom of bridge through expansion screw locking, and all welded fastening has one to insert post (301) on the mounting disc (3) everywhere, inserts post (301) everywhere and corresponds and the cooperation of pegging graft of plug bush (4) everywhere.

2. The road bridge connection structure with an earthquake-resistant function according to claim 1, wherein: a static ring (401) is fixedly welded in the middle of the circumferential outer wall of the plug bush (4), and a sliding ring (402) is sleeved on the upper half section of the circumferential outer wall of the plug bush (4).

3. The road bridge connection structure with an earthquake-proof function according to claim 2, wherein: the bottom of the sliding ring (402) is welded with four sliding shafts (403) in a surrounding mode, and the sliding shafts (403) are correspondingly matched with the stationary ring (401) in a penetrating and sliding mode through spring pushing.

4. The road bridge connection structure with an earthquake-proof function according to claim 2, wherein: the bottom of the circumferential outer ring of the mounting disc (3) is welded with four ejector rods (302) in a surrounding mode, and the bottoms of the four ejector rods (302) are abutted and contacted with the sliding ring (402).

5. The road bridge connection structure with an earthquake-proof function according to claim 2, wherein: two limiting shafts (404) are symmetrically welded at the bottom of the sliding ring (402), and a distance is kept between the two limiting shafts (404) and the stationary ring (401).

6. The road bridge connection structure with an earthquake-resistant function according to claim 1, wherein: the circumference inner wall of half section under plug bush (4) is gone up to encircle to be equipped with four track grooves, and slidable mounting has a atress dish (405) in the track groove of four places, and the compression is provided with a spring between atress dish (405) and bar bottom plate (1).

7. The road bridge connection structure with an earthquake-resistant function according to claim 1, wherein: four inserting columns (301) are all provided with a slot, and four L-shaped inserting rods (201) penetrate through four inserting sleeves (4) to correspondingly be in inserting connection with the four inserting columns (301), and the height of the slot is twice of the thickness of the L-shaped inserting rod (201).