CN217499898U

CN217499898U - Assembled structure bridge

Info

Publication number: CN217499898U
Application number: CN202221527458.9U
Authority: CN
Inventors: 徐东风; 何爱军; 吴中雪; 李光宇
Original assignee: Hubei Transportation Investment Construction Group Co ltd
Current assignee: Hubei Transportation Investment Construction Group Co ltd
Priority date: 2022-06-18
Filing date: 2022-06-18
Publication date: 2022-09-27
Anticipated expiration: 2032-06-18

Abstract

The utility model relates to an assembled bridge technical field especially relates to an assembled structure bridge. Mainly to the unable problem of freely assembling height-adjusting of current bridge protection rod, its technical scheme includes: bridge main part and connecting plate, the top welding of bridge main part has the fender rod montant, the top fixedly connected with fender rod horizontal pole of fender rod montant, the fender rod montant includes the assembly pole, and is a plurality of the assembly pole passes through joint subassembly fixed connection, is located the assembly pole and the bridge main part welding of bottommost, is located the assembly pole and the fender rod horizontal pole fixed connection of topmost, the threaded hole has been seted up to the outer wall of assembly pole, the inner circle of connecting plate and threaded hole rotates the cover and is equipped with positioning bolt, and the joint subassembly includes rotates the assembly piece of being connected with the assembly pole, the assembly pole is kept away from the one end of assembly piece and is seted up the assembly groove. The utility model discloses can adapt to the demand to the guardrail height under different environment, possess batch production's ability simultaneously, and then reduce the cost of guardrail.

Description

Assembled structure bridge

Technical Field

The utility model relates to an assembled bridge technical field especially relates to an assembled structure bridge.

Background

The bridge is generally a structure which is erected on rivers, lakes and seas and allows 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 current chinese patent with a patent number CN215052008U discloses an assembled steel structure bridge, including a plurality of support columns, the top fixedly connected with bridge plate of support column, the first fixed block of both sides fixedly connected with of bridge plate, one side swing joint of first fixed block has the connecting plate, the both sides fixedly connected with second fixed block of connecting plate, one side swing joint of second fixed block has the second spliced pole, one side fixedly connected with picture peg of second spliced pole, and the upper surface of picture peg is equipped with a plurality of slots, torsion reset spring has been cup jointed to one side of second spliced pole, and torsion reset spring's both ends are fixed mutually with second fixed block and picture peg respectively.

According to the Chinese patent with the patent number of CN215052008U, the height of the bridge protection rod of the device can not be freely adjusted by assembling, so that the protection rod with the required height can only be specially customized during the construction of the bridge, and the whole manufacturing cost of the bridge is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at having the unable problem of freely assembling height-adjusting of bridge protection rod among the background art, providing an assembly type structure bridge.

The technical scheme of the utility model: the utility model provides an assembly type structure bridge, includes bridge main part and connecting plate, the top welding of bridge main part has the guard bar montant, the top fixedly connected with guard bar horizontal pole of guard bar montant, the guard bar montant includes the assembly pole, and is a plurality of the assembly pole passes through joint subassembly fixed connection, is located the assembly pole and the bridge main part welding of bottommost, is located the assembly pole and the guard bar horizontal pole fixed connection of topmost, the outer wall of assembly pole sets up threaded hole, the inner circle of connecting plate and screw hole rotates the cover and is equipped with positioning bolt.

Preferably, the clamping component comprises an assembling block rotatably connected with the assembling rod, an assembling groove is formed in one end, far away from the assembling block, of the assembling rod, and clamping grooves are formed in two sides of the assembling groove.

Preferably, the inner rings on the two sides of the assembling block are movably sleeved with ejector rods, and one ends of the ejector rods, which are located inside the assembling block, are fixedly connected with the ejector blocks.

Preferably, the outer ring of the ejection rod is movably sleeved with a return spring, and two ends of the return spring are respectively and fixedly connected to the assembly block and the ejection block.

Preferably, one side of the assembly block is rotatably connected with a one-way threaded rod, one end of the one-way threaded rod is fixedly connected with the assembly rod, and the outer ring of the one-way threaded rod is rotatably sleeved with a one-way threaded sleeve.

Preferably, the outer wall of the one-way threaded sleeve is fixedly connected with a limiting sliding sleeve, and one side of the limiting sliding sleeve is fixedly connected with a trapezoidal block.

Preferably, the inner wall of the assembling block is fixedly connected with a limiting rod, one end of the limiting rod is fixedly connected with a limiting rod stop block, and the limiting rod is movably sleeved in the inner ring of the limiting sliding sleeve.

Compared with the prior art, the utility model discloses following profitable technological effect has:

can be quick through the joint subassembly with a plurality of assembly pole combination assembly together, can increase the intensity between two assembly poles through connecting plate and positioning bolt simultaneously, make it can adapt to the demand to the guardrail height under different environment, possess batch production's ability simultaneously, and then reduced the cost of guardrail.

Drawings

FIG. 1 is a perspective view of a fabricated structural bridge;

FIG. 2 is a cross-sectional view of the mounting bar of FIG. 1;

fig. 3 is an enlarged view of a in fig. 2.

Reference numerals: 1. a bridge main body; 2. a guard bar vertical bar; 21. assembling a rod; 22. assembling the groove; 23. a card slot; 24. assembling the block; 25. ejecting the rod; 26. ejecting a block; 27. a return spring; 28. a one-way threaded rod; 29. a one-way threaded sleeve; 210. a limiting sliding sleeve; 211. a limiting rod; 212. a limit rod stop block; 213. a trapezoidal block; 3. a guard bar cross bar; 4. a connecting plate; 5. and (6) positioning the bolt.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 1, the utility model provides an assembled structure bridge, including bridge main part 1 and connecting plate 4, the top welding of bridge main part 1 has guard bar montant 2, the top fixedly connected with guard bar horizontal pole 3 of guard bar montant 2, guard bar montant 2 includes assembly rod 21, a plurality of assembly rod 21 pass through joint subassembly fixed connection, the assembly rod 21 that is located the bottommost welds with bridge main part 1, the assembly rod 21 that is located the top and 3 fixed connection of guard bar horizontal pole, threaded hole has been seted up to the outer wall of assembly rod 21, the inner circle rotation cover of connecting plate 4 and threaded hole is equipped with positioning bolt 5, connecting plate 4 adopts high hardness steel to make.

In this embodiment, two positioning bolts 5 are arranged in the inner ring of one connecting plate 4, two assembling rods 21 are connected together through the two positioning bolts 5 and the connecting plate 4, the two assembling rods 21 can be stably locked together through the matching of the clamping assembly, and the plurality of assembling rods 21 are spliced and assembled together to realize the lifting of the height of the guard bar cross rod 3.

Example two

As shown in FIG. 2 and FIG. 3, compared with the first embodiment, the clamping assembly of the present invention includes an assembly block 24 rotatably connected to an assembly rod 21, an assembly groove 22 is formed at an end of the assembly rod 21 away from the assembly block 24, clamping grooves 23 are formed at two sides of the assembly groove 22, inner rings at two sides of the assembly block 24 are movably sleeved with an ejector rod 25, one end of the ejector rod 25 located inside the assembly block 24 is fixedly connected to an ejector block 26, the clamping groove 23 is matched with the ejector block 26, the ejector rod 25 is matched with the clamping groove 23, an initial position of the ejector rod 25 is located inside the assembly block 24, an outer ring of the ejector rod 25 is movably sleeved with a return spring 27, two ends of the return spring 27 are fixedly connected to the assembly block 24 and the ejector block 26, one side of the assembly block 24 is rotatably connected to a one-way threaded rod 28, one end of the one-way threaded rod 28 is fixedly connected to the assembly rod 21, and the outer ring of the one-way threaded rod 28 is rotatably sleeved with the one-way threaded sleeve 29, the outer wall of the one-way threaded sleeve 29 is fixedly connected with a limiting sliding sleeve 210, one side of the limiting sliding sleeve 210 is fixedly connected with a trapezoidal block 213, the ejection block 26 and the trapezoidal block 213 are positioned on the same side, the inner wall of the assembly block 24 is fixedly connected with a limiting rod 211, one end of the limiting rod 211 is fixedly connected with a limiting rod stop block 212, and the limiting rod 211 is movably sleeved in the inner ring of the limiting sliding sleeve 210.

In this embodiment, first, the assembling block 24 is inserted into the assembling groove 22 of another assembling rod 21, and then the assembling rod 21 is rotated to drive the one-way threaded rod 28 to rotate together, because the assembling groove 22 and the assembling block 24 are both rectangular, the assembling block 24 does not rotate together with the assembling rod 21, through the cooperation of the limiting rod 211 and the limiting sliding sleeve 210, the one-way threaded rod 28 can drive the trapezoidal block 213 to move through the one-way threaded sleeve 29 when rotating, after the trapezoidal block 213 is attached to the ejecting block 26, the external part of the ejecting rod 25 extruded from the assembling block 24 is inserted into the clamping groove 23, so as to complete clamping, and after the one-way threaded sleeve 29 drives the trapezoidal block 213 to be far away from the ejecting block 26, the ejecting block 26 can drive the ejecting rod 25 to be inserted into the inner ring of the clamping groove 23 again through the acting force of the return spring 27.

The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations to the above embodiments based on the technical solution of the present invention and the related teachings of the above embodiments.

Claims

1. The utility model provides an assembled structure bridge, includes bridge main part (1) and connecting plate (4), the top welding of bridge main part (1) has guard bar montant (2), the top fixedly connected with guard bar horizontal pole (3) of guard bar montant (2), its characterized in that: guard bar montant (2) are including assembling pole (21), and are a plurality of assembling pole (21) are through joint subassembly fixed connection, are located bottom assembling pole (21) and bridge main part (1) welding, are located top assembling pole (21) and guard bar horizontal pole (3) fixed connection, the outer wall of assembling pole (21) set up threaded hole, the inner circle of connecting plate (4) and screw hole is rotated the cover and is equipped with positioning bolt (5).

2. The fabricated structural bridge of claim 1, wherein the clamping assembly comprises a mounting block (24) rotatably connected with the mounting rod (21), a mounting groove (22) is formed in one end, far away from the mounting block (24), of the mounting rod (21), and clamping grooves (23) are formed in two sides of the mounting groove (22).

3. The fabricated structural bridge according to claim 2, wherein the ejector rods (25) are movably sleeved on the inner rings of the two sides of the assembly blocks (24), and one ends of the ejector rods (25) located inside the assembly blocks (24) are fixedly connected with the ejector blocks (26).

4. The fabricated structural bridge of claim 3, wherein the outer ring of the ejector rod (25) is movably sleeved with a return spring (27), and two ends of the return spring (27) are respectively and fixedly connected to the assembling block (24) and the ejector block (26).

5. An assembled structural bridge according to claim 2, wherein one side of the assembling block (24) is rotatably connected with a one-way threaded rod (28), one end of the one-way threaded rod (28) is fixedly connected with the assembling rod (21), and an outer ring of the one-way threaded rod (28) is rotatably sleeved with a one-way threaded sleeve (29).

6. An assembled structural bridge according to claim 5, wherein a limiting sliding sleeve (210) is fixedly connected to the outer wall of the one-way threaded sleeve (29), and a trapezoidal block (213) is fixedly connected to one side of the limiting sliding sleeve (210).

7. The fabricated structural bridge of claim 6, wherein a limiting rod (211) is fixedly connected to the inner wall of the fabricated block (24), a limiting rod stop block (212) is fixedly connected to one end of the limiting rod (211), and the limiting rod (211) is movably sleeved in an inner ring of the limiting sliding sleeve (210).