CN-224199793-U - Bridge fabrication machine running limiting device with buffering function

CN224199793UCN 224199793 UCN224199793 UCN 224199793UCN-224199793-U

Abstract

The utility model relates to the technical field of bridge fabrication machines, in particular to a travelling limiting device of a bridge fabrication machine with a buffering function, which comprises a mounting seat, wherein a supporting plate is arranged at the upper end of the mounting seat, a first buffer plate is arranged at the front side of the supporting plate, a second buffer plate is arranged at the rear side of the first buffer plate, a damper is arranged between the first buffer plate and the second buffer plate, a damper is arranged at the rear side of the second buffer plate, movable plates are arranged at the two sides of the damper, movable blocks are arranged at the rear end of the movable plates, a guide sliding rod is arranged on the surface of the supporting plate, fixing pieces for connecting the supporting plate are fixedly arranged at the two ends of the guide sliding rod, and a first spring and a second spring are arranged at the outer side of the guide sliding rod; according to the utility model, the shock force received by the first buffer plate is primarily buffered through the shock absorber, the movable plate is driven to deflect through the second buffer plate, the movable block slides on the surface of the guide sliding rod, and the elastic force of the first spring and the elastic force of the second spring are matched with the shock absorber, so that the secondary buffering of the shock force is realized.

Inventors

Liang Fenglu
LI ZHEN
DENG KUN
Fu Qiujin
LIU YUJIE
CHEN YIHUI
PAN ZHIYONG
ZHANG ZHENPENG
YU FANGLI
ZHANG ZIANG

Assignees

中铁七局集团有限公司
中铁七局集团郑州工程有限公司

Dates

Publication Date: 20260505
Application Date: 20250529

Claims (7)

1. The bridge fabrication machine running limiting device with the buffering function comprises a mounting seat (1) and is characterized in that the upper end of the mounting seat (1) is provided with a supporting plate (2), the front side of the supporting plate (2) is provided with a first buffering plate (3), the rear side of the first buffering plate (3) is provided with a second buffering plate (4), a shock absorber (5) is arranged between the first buffering plate (3) and the second buffering plate (4), the rear side of the second buffering plate (4) is provided with a damper (6), two sides of the damper (6) are provided with movable plates (7), the rear end of the movable plates (7) is provided with movable blocks (8), the surface of the supporting plate (2) is provided with a guide sliding rod (9), two ends of the guide sliding rod (9) are fixedly provided with fixing pieces for connecting the supporting plate (2), and the outer side of the guide sliding rod (9) is provided with a first spring (10) and a second spring (11).
2. The walking limiting device with the buffer function for the bridge fabrication machine according to claim 1, wherein the supporting plate (2) is fixedly connected with the upper end of the mounting seat (1), triangular plates (21) are fixedly arranged on the front side and the rear side of the supporting plate (2), and the triangular plates (21) are fixedly connected with the upper end of the mounting seat (1).
3. The bridge fabrication machine running limiting device with the buffering function according to claim 1, wherein a guide rail is arranged below the first buffer plate (3) on the front side of the mounting seat (1), the first buffer plate (3) and the second buffer plate (4) are arranged in a front-back parallel mode, the front end of the shock absorber (5) is fixedly connected with the first buffer plate (3), and the rear end of the shock absorber (5) is fixedly connected with the second buffer plate (4).
4. The walking limiting device with the buffering function for the bridge fabrication machine according to claim 1, wherein the front end of the damper (6) is fixedly connected with the second buffering plate (4), the rear end of the damper (6) is fixedly connected with the supporting plate (2), the movable plate (7) is arranged in a bilateral symmetry manner, and the front end of the movable plate (7) is rotationally connected with the second buffering plate (4).
5. The bridge fabrication machine running limiting device with the buffering function according to claim 1, wherein the front side of the movable block (8) is rotationally connected with the movable plate (7), the movable block (8) is in sliding sleeve joint with the outer side of the guiding sliding rod (9), the guiding sliding rod (9) is arranged in parallel up and down, and the guiding sliding rod (9) is used for guiding the sliding of the movable block (8).
6. The bridge fabrication machine travel limiting device with the buffering function according to claim 1, wherein one end of a first spring (10) is fixedly connected with one side of a movable block (8) close to a damper (6), the other end of the first spring (10) is fixedly connected with a fixing piece, and the first spring (10) is sleeved with the outer side of a guide sliding rod (9).
7. The bridge fabrication machine travel limiting device with the buffering function according to claim 1, wherein one end of a second spring (11) is fixedly connected with one side, away from the damper (6), of the movable block (8), the other end of the second spring (11) is fixedly connected with a fixing piece, and the second spring (11) is sleeved with the outer side of the guide sliding rod (9).

Description

Bridge fabrication machine running limiting device with buffering function Technical Field The utility model relates to the technical field of bridge fabrication machines, in particular to a traveling limiting device of a bridge fabrication machine with a buffering function. Background The bridge fabrication machine is professional equipment for bridge segment construction, realizes the mechanized construction of a bridge main body structure through prefabricated component assembly or cast-in-place, has the core function of replacing the traditional basket hanging process, and improves the construction efficiency and precision of large-span bridges (such as railway bridges and highway bridges). For example, patent number CN115341486B discloses a bridge fabrication machine for cantilever casting construction, which comprises a main truss and an inner die, wherein the inner die comprises an inner die main body, an inner die hanging beam and an inner die guide beam, the front end of the main truss is provided with a cross beam which can support the inner die guide beam, the inner die main body is arranged on the inner die hanging beam, the inner die hanging beam is provided with an inner die hanging rod, and the inner die guide beam and the inner die main body can slide relatively. According to the invention, before the steel reinforcement cage is integrally hoisted, the inner die main body is anchored to the poured continuous beam section through the inner die suspender, the inner die guide beam slides into the poured continuous beam section, then the steel reinforcement cage is hoisted to the installation position by the hanger, and the inner die cannot influence the integral hoisting of the steel reinforcement cage. After the reinforcement cage is in place, the front end of the internal mold guide beam slides onto the cross beam, the cross beam provides support, then the internal mold suspender is loosened, the internal mold main body slides forwards along the internal mold guide beam to the section to be poured, the internal mold is not required to be assembled on site, the construction period is further shortened, the whole structure is simple and effective, and the operation is convenient. But the existing bridge fabrication machine walking limiting device has insufficient buffering capacity and low limiting precision, so that the maintenance cost is higher, and certain potential safety hazards exist. Disclosure of utility model In order to solve the problems of insufficient buffering capacity, low limiting precision and higher maintenance cost of the walking limiting device of the bridge fabrication machine. The technical scheme includes that the bridge fabrication machine running limiting device with the buffering function comprises a mounting seat, a supporting plate is arranged at the upper end of the mounting seat, a first buffer plate is arranged at the front side of the supporting plate, a second buffer plate is arranged at the rear side of the first buffer plate, a shock absorber is arranged between the first buffer plate and the second buffer plate, a damper is arranged at the rear side of the second buffer plate, movable plates are arranged at the two sides of the damper, movable blocks are arranged at the rear end of the movable plates, a guide sliding rod is arranged on the surface of the supporting plate, fixing pieces used for connecting the supporting plate are fixedly arranged at the two ends of the guide sliding rod, and a first spring and a second spring are arranged at the outer side of the guide sliding rod. Preferably, through setting up first buffer board, bumper shock absorber, realize the preliminary buffering to spacing impact, through setting up second movable plate, pivoted panel, movable block, realize the dispersion to the impact force, through setting up attenuator, first spring and second spring, realize the secondary buffering to the impact force. Preferably, the support plate is fixedly connected with the upper end of the mounting seat, and triangular plates are fixedly arranged on the front side and the rear side of the support plate and fixedly connected with the upper end of the mounting seat. Preferably, the front side of the mounting seat is provided with a guide rail below the first buffer plate, the first buffer plate and the second buffer plate are arranged in a front-back parallel mode, the front end of the shock absorber is fixedly connected with the first buffer plate, and the rear end of the shock absorber is fixedly connected with the second buffer plate. Preferably, the front end of the damper is fixedly connected with the second buffer plate, the rear end of the damper is fixedly connected with the support plate, the movable plate is arranged in bilateral symmetry, and the front end of the movable plate is rotationally connected with the second buffer plate. Preferably, the front side of the movable block is rotationally connected with the movable plate, th