CN214005374U

CN214005374U - Prestressed concrete bridge precast slab

Info

Publication number: CN214005374U
Application number: CN202022713833.6U
Authority: CN
Inventors: 梁敏
Original assignee: Shangrao Rongxin Building Materials Co ltd
Current assignee: Shangrao Rongxin Building Materials Co ltd
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-08-20
Anticipated expiration: 2030-11-20

Abstract

The utility model discloses a prestressed concrete bridge prefabricated plate, including two support columns, coupling mechanism and stop gear, coupling mechanism sets up the top at the support column, stop gear sets up the side at the support column, coupling mechanism includes two prefabricated plate bodies, the prefabricated plate body sets up the top at the support column. The utility model discloses a first enhancement layer, first back up coat, mutually supporting of second enhancement layer and second back up coat, thereby the intensity of prefabricated plate has been improved greatly, thereby the life of prefabricated plate has been improved greatly, through the fixture block, the draw-in groove, the fly leaf, the stopper, the spacing groove, the connecting plate, antifriction bearing, the threaded rod, the thread block, mutually supporting of slide bar and slider, thereby the convenience is spliced two adjacent prefabricated plates fast, the concatenation process is simple and convenient, avoid appearing phenomenons such as crooked emergence, the steadiness after the prefabricated plate concatenation has been improved greatly simultaneously, bring very big facility for the user.

Description

Prestressed concrete bridge precast slab

Technical Field

The utility model relates to a prefabricated plate technical field specifically is a prestressed concrete bridge prefabricated plate.

Background

The prefabricated slab is a floor slab used in the early construction of the 20 th century, and is a module or a plate used in engineering. Because be at the fashioned concrete prefabricated component of precast yard production machine-shaping, directly transport the job site and install, so called the prefabricated plate, but common prefabricated plate is inconvenient to splice for difficult alignment when connecting, take place the condition such as crooked easily, need adjust once more, extravagant manpower and materials, can't guarantee the steadiness after the prefabricated plate concatenation moreover, the intensity of prefabricated plate is lower simultaneously, greatly reduced the practicality, bring very big inconvenience for the user.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prestressed concrete bridge precast slab to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a prestressed concrete bridge precast slab comprises two supporting columns, a connecting mechanism and a limiting mechanism, wherein the connecting mechanism is arranged at the tops of the supporting columns, and the limiting mechanism is arranged on the side surfaces of the supporting columns;

the connecting mechanism comprises two precast slab bodies, the precast slab bodies are arranged at the tops of the supporting columns, clamping blocks are mounted on the right sides of the precast slab bodies, and clamping grooves matched with the clamping blocks are formed in the left sides of the precast slabs;

the limiting mechanism comprises movable plates, the movable plates are arranged at the bottoms of two prefabricated plate bodies, limiting blocks are mounted on the left and right sides of the tops of the movable plates, limiting grooves are formed in the bottoms of the prefabricated plate bodies and correspond to the limiting blocks, the tops of the limiting blocks penetrate through the limiting grooves and extend into the limiting grooves, connecting plates are mounted on the left and right sides of the bottoms of the movable plates, rolling bearings are mounted in grooves in the bottoms of the connecting plates, threaded rods are movably connected to the inner walls of the rolling bearings, threaded blocks are connected to the surfaces of the threaded rods in a threaded mode, one sides, close to supporting columns, of the threaded blocks are fixedly connected with the supporting columns, slide rods are mounted at the tops of the threaded blocks and one sides, close to the supporting columns, of the slide rods, and slide blocks are connected to the surfaces of the slide rods and correspond to the positions of the connecting plates in a sliding mode;

the prefabricated plate body comprises a concrete layer, a hole is formed in the right side of the concrete layer, a first reinforcing layer is arranged at the top of the first reinforcing layer, a second reinforcing layer is arranged at the bottom of the concrete layer, and a second reinforcing layer is arranged at the bottom of the second reinforcing layer.

Preferably, one side of the limiting block, which is close to the inner wall of the limiting groove, is in contact with the inner wall of the limiting groove, and the top of the movable plate is in contact with the bottoms of the two prefabricated plate bodies.

Preferably, one side of the sliding block, which is close to the connecting plate, is fixedly connected with the connecting plate, and the connecting plate is L-shaped.

Preferably, the first reinforcing layer and the second reinforcing layer are both made of carbon fiber cloth.

Preferably, the first reinforcing layer and the second reinforcing layer are both made of fiberglass mesh cloth.

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

the utility model discloses a first enhancement layer, first back up coat, mutually supporting of second enhancement layer and second back up coat, thereby the intensity of prefabricated plate has been improved greatly, thereby the life of prefabricated plate has been improved greatly, through the fixture block, the draw-in groove, the fly leaf, the stopper, the spacing groove, the connecting plate, antifriction bearing, the threaded rod, the thread block, mutually supporting of slide bar and slider, thereby convenient splice two adjacent prefabricated plates fast, the concatenation process is simple and convenient, avoid appearing phenomenons such as crooked emergence, the steadiness after the prefabricated plate concatenation has been improved greatly simultaneously, the practicality is greatly improved, bring very big facility for the user.

Drawings

FIG. 1 is a structural section view in elevation of the present invention;

FIG. 2 is an enlarged view of a portion of A-A of FIG. 1 according to the present invention;

fig. 3 is a structural section view of the right side view of the precast slab body of the present invention.

In the figure: the prefabricated slab comprises a supporting column 1, a connecting mechanism 2, a prefabricated slab body 21, a concrete layer 211, a hole 212, a first reinforcing layer 213, a first reinforcing layer 214, a second reinforcing layer 215, a second reinforcing layer 216, a clamping block 22, a clamping groove 23, a limiting mechanism 3, a movable plate 31, a limiting block 32, a limiting groove 33, a connecting plate 34, a rolling bearing 35, a threaded rod 36, a threaded block 37, a sliding rod 38 and a sliding block 39.

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, a precast slab for prestressed concrete bridge comprises two supporting columns 1, a connecting mechanism 2 and a limiting mechanism 3, wherein the connecting mechanism 2 is disposed on the top of the supporting column 1, and the limiting mechanism 3 is disposed on the side of the supporting column 1.

The connecting mechanism 2 comprises two prefabricated plate bodies 21, the prefabricated plate bodies 21 are arranged at the tops of the supporting columns 1, clamping blocks 22 are fixedly connected to the right sides of the prefabricated plate bodies 21, and clamping grooves 23 matched with the clamping blocks 22 are formed in the left sides of the prefabricated plate bodies 21.

The limiting mechanism 3 comprises a movable plate 31, the movable plate 31 is arranged at the bottoms of the two prefabricated plate bodies 21, limiting blocks 32 are fixedly connected to the left side and the right side of the top of the movable plate 31, limiting grooves 33 are formed in the bottoms of the prefabricated plate bodies 21 and correspond to the limiting blocks 32, the tops of the limiting blocks 32 penetrate through the limiting grooves 33 and extend into the limiting grooves, one sides of the limiting blocks 32 close to the inner walls of the limiting grooves 33 are in contact with the inner walls of the limiting grooves 33, the top of the movable plate 31 is in contact with the bottoms of the two prefabricated plate bodies 21, connecting plates 34 are fixedly connected to the left side and the right side of the bottom of the movable plate 31, rolling bearings 35 are fixedly connected in grooves at the bottoms of the connecting plates 34, threaded rods 36 are movably connected to the inner walls of the rolling bearings 35, threaded blocks 37 are in threaded connection with the surfaces of the threaded rods 36, one sides of the threaded blocks 37 close to the supporting columns 1 are fixedly connected with the supporting columns 1, and slide rods 38 are fixedly connected to the tops of the threaded blocks 37 and one sides close to the supporting columns 1, the surface of the sliding rod 38 and the position corresponding to the connecting plate 34 are connected with a sliding block 39 in a sliding mode, one side, close to the connecting plate 34, of the sliding block 39 is fixedly connected with the connecting plate 34, the connecting plate 34 is L-shaped, and the stability of the connecting plate 34 during movement is greatly improved by the aid of the sliding rod 38 and the sliding block 39.

The prefabricated slab body 21 comprises a concrete layer 211, a hole 212 is formed in the right side of the concrete layer 211, a first reinforcing layer 213 is arranged at the top of the concrete layer 211, a first reinforcing layer 214 is arranged at the top of the first reinforcing layer 213, a second reinforcing layer 215 is arranged at the bottom of the concrete layer 211, the first reinforcing layer 213 and the second reinforcing layer 215 are both made of carbon fiber cloth, a second reinforcing layer 216 is arranged at the bottom of the second reinforcing layer 215, the first reinforcing layer 214 and the second reinforcing layer 216 are both made of glass fiber mesh cloth, and the strength of the prefabricated slab is greatly improved through the mutual matching of the first reinforcing layer 213, the first reinforcing layer 214, the second reinforcing layer 215 and the second reinforcing layer 216, so that the service life of the prefabricated slab is greatly prolonged, and the prefabricated slab is provided with the clamping blocks 22, the clamping grooves 23, the movable plate 31, the limiting blocks 32, the limiting grooves 33, the connecting plates 34, the screw thread block 37, the sliding rod 38 and the sliding block 39 are matched with each other, so that two adjacent prefabricated plates can be conveniently and rapidly spliced, the splicing process is simple and convenient, the phenomena of deflection and the like are avoided, meanwhile, the stability of the spliced prefabricated plates is greatly improved, the practicability is greatly improved, and great convenience is brought to a user.

When the prefabricated plate body fixing device is used, the prefabricated plate bodies 21 are placed on the supporting column 1, then the clamping blocks 22 of two adjacent prefabricated plate bodies 21 are inserted into the clamping grooves 23, then the threaded rod 36 is rotated, the threaded rod 36 drives the connecting plate 34 to move upwards through the rolling bearing 35, the connecting plate 34 drives the sliding block 39 to slide on the surface of the sliding rod 38, the connecting plate 34 drives the limiting block 32 to be inserted into the limiting groove 33 through the movable plate 31, and therefore the effect of stabilizing the prefabricated plate bodies 21 is achieved.

In summary, the following steps: the prestressed concrete bridge precast slab solves the problems in the background art through the mutual matching of the first reinforcing layer 213, the first reinforcing layer 214, the second reinforcing layer 215 and the second reinforcing layer 216 and through the mutual matching of the clamping block 22, the clamping groove 23, the movable plate 31, the limiting block 32, the limiting groove 33, the connecting plate 34, the rolling bearing 35, the threaded rod 36, the threaded block 37, the sliding rod 38 and the sliding block 39.

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

1. The utility model provides a prestressed concrete bridge prefabricated plate, includes two support columns (1), coupling mechanism (2) and stop gear (3), its characterized in that: the connecting mechanism (2) is arranged at the top of the supporting column (1), and the limiting mechanism (3) is arranged on the side surface of the supporting column (1);

the connecting mechanism (2) comprises two prefabricated plate bodies (21), the prefabricated plate bodies (21) are arranged at the tops of the supporting columns (1), clamping blocks (22) are mounted on the right sides of the prefabricated plate bodies (21), and clamping grooves (23) matched with the clamping blocks (22) are formed in the left sides of the prefabricated plate bodies (21);

the limiting mechanism (3) comprises a movable plate (31), the movable plate (31) is arranged at the bottoms of two prefabricated plate bodies (21), limiting blocks (32) are installed on the left side and the right side of the top of the movable plate (31), limiting grooves (33) are formed in the bottoms of the prefabricated plate bodies (21) and correspond to the limiting blocks (32), the tops of the limiting blocks (32) penetrate through the limiting grooves (33) and extend to the insides of the limiting grooves, connecting plates (34) are installed on the left side and the right side of the bottom of the movable plate (31), rolling bearings (35) are installed in grooves in the bottoms of the connecting plates (34), threaded rods (36) are movably connected to the inner walls of the rolling bearings (35), threaded blocks (37) are connected to the surface of the threaded rods (36) in a threaded manner, one sides, close to the supporting columns (1), of the threaded blocks (37) are fixedly connected with the supporting columns (1), a sliding rod (38) is installed at the top of the thread block (37) and on one side close to the supporting column (1), and a sliding block (39) is connected to the surface of the sliding rod (38) in a sliding manner at a position corresponding to the connecting plate (34);

the precast slab body (21) comprises a concrete layer (211), a hole (212) is formed in the right side of the concrete layer (211), a first reinforcing layer (213) is arranged at the top of the concrete layer (211), a first reinforcing layer (214) is arranged at the top of the first reinforcing layer (213), a second reinforcing layer (215) is arranged at the bottom of the concrete layer (211), and a second reinforcing layer (216) is arranged at the bottom of the second reinforcing layer (215).

2. The precast slab for prestressed concrete bridge according to claim 1, wherein: one side of the limiting block (32) close to the inner wall of the limiting groove (33) is in contact with the inner wall of the limiting groove (33), and the top of the movable plate (31) is in contact with the bottoms of the two prefabricated plate bodies (21).

3. The precast slab for prestressed concrete bridge according to claim 2, wherein: one side of the sliding block (39) close to the connecting plate (34) is fixedly connected with the connecting plate (34), and the connecting plate (34) is L-shaped.

4. The precast slab for prestressed concrete bridge according to claim 3, wherein: the first reinforcing layer (213) and the second reinforcing layer (215) are both made of carbon fiber cloth.

5. The precast slab for prestressed concrete bridge according to claim 4, wherein: the first reinforcing layer (214) and the second reinforcing layer (216) are both made of fiberglass mesh cloth.