阅读说明：本技术 一种预制装配式桥梁及其施工工艺 (Prefabricated bridge and construction process thereof ) 是由 赵晟 张冰 高明生 赵建康 王雄 陈克伟 崔玉凤 汤明 马少军 周阳 张鹏 孙 于 2021-08-16 设计创作，主要内容包括：本申请涉及一种预制装配式桥梁及其施工工艺,涉及装配式建筑的领域,包括若干桥梁板和若干支撑板,每两个相邻的桥梁板均搭接在同一支撑板的上表面,所述支撑板的上表面开设有安装槽,安装槽的一端贯穿支撑板形成进口,相邻的两个桥梁板相互靠近的一侧面分别开设有连接槽,安装槽内插接有两个固定板,每个固定板的一侧面分别固定连接有一连接杆,每个连接杆分别从相应的连接槽的一端插接进连接槽内,连接槽为燕尾槽,每个固定板均与相应的安装槽的一侧壁之间插紧有第一弹性条,两个固定板之间插紧有第二弹性条。本申请具有较为省时省力的完成桥梁板安装的效果。(The utility model relates to a prefabricated assembled bridge and construction process thereof relates to the field of assembly type structure, including a plurality of bridge slabs and a plurality of backup pad, the equal overlap joint of per two adjacent bridge slabs is at the upper surface of same backup pad, the mounting groove has been seted up to the upper surface of backup pad, the one end of mounting groove is run through the backup pad and is formed the import, the spread groove has been seted up respectively to the side that two adjacent bridge slabs are close to each other, it has two fixed plates to peg graft in the mounting groove, a side of every fixed plate is fixedly connected with connecting rod respectively, every connecting rod is pegged graft into the spread groove from the one end of corresponding spread groove respectively in, the spread groove is the dovetail, it has first elastic strip all to insert tightly between every fixed plate and a lateral wall of corresponding mounting groove, it has the second elastic strip to insert tightly between two fixed plates. This application has comparatively labour saving and time saving's the effect of accomplishing the bridge slab installation.)

1. A prefabricated bridge comprises a plurality of bridge plates (1) and a plurality of supporting plates (2), wherein every two adjacent bridge plates (1) are lapped on the upper surface of the same supporting plate (2), the prefabricated bridge is characterized in that a mounting groove (21) is formed in the upper surface of each supporting plate (2), one end of each mounting groove (21) penetrates through the corresponding supporting plate (2) to form an inlet (22), one side surface, close to each other, of each two adjacent bridge plates (1) is respectively provided with a connecting groove (11), two fixing plates (42) are inserted in the mounting groove (21), one side surface of each fixing plate (42) is respectively and fixedly connected with a connecting rod (41), each connecting rod (41) is respectively inserted into the connecting groove (11) from one end of the corresponding connecting groove (11), the connecting groove (11) is a dovetail groove, and a first elastic strip (44) is tightly inserted between each fixing plate (42) and one side wall of the corresponding mounting groove (21), a second elastic strip (45) is inserted between the two fixing plates (42).

2. The prefabricated assembly type bridge according to claim 1, wherein the bottom wall of the installation groove (21) is formed with two fixing grooves (211), a fixing rod (43) is fixedly connected to one end of each fixing plate (42) away from the connecting rod (41), the fixing rod (43) is inserted into the fixing groove (211) from one end of the fixing groove (211), and an opening at an upper end of the fixing groove (211) is narrower than an inside of the fixing groove (211).

3. The prefabricated bridge module of claim 3, wherein the width of the fixing groove (211) is greater than that of the fixing rod (43).

4. The prefabricated bridge according to any one of claims 1 to 3, wherein a control plate (51) is overlapped on the upper surface of the second elastic strip (45), a control rod (52) is rotatably connected to the lower surface of the control plate (51), the control rod (52) penetrates through the second elastic strip (45) and is in threaded connection with the support plate (2), and one end, far away from the control plate (51), of the control rod (52) penetrates through the support plate (2).

5. The prefabricated bridge according to claim 4, wherein a control slot (511) is formed in a surface of the control plate (51) close to the second elastic strip (45), an opening of the control slot (511) close to the second elastic strip (45) is narrower than an inside of the control slot (511), a circular control block (53) is fixedly connected to one end of the control rod (52) close to the control plate (51), and the control block (53) is slidably inserted into the control slot (511) from one end of the control slot (511).

6. Prefabricated bridge according to claim 1, characterized in that an elastic bearing strip (46) is fixedly connected between the two fixing plates (42).

7. Prefabricated assembly bridge according to claim 1, characterized in that a closure plate (23) is inserted at said entrance (22), said closure plate (23) being bolted to said support plate (2).

8. The construction process of the prefabricated bridge is characterized by comprising the following steps of:

s1, overlapping two adjacent bridge plates (1) on the same supporting plate (2);

s2, the two first elastic strips (44) are respectively tightly attached to one corresponding side wall of the installation groove (21), then the fixing plate (42) is inserted into the installation groove (21) from the inlet (22), the connecting rod (41) is controlled to be inserted into the connecting groove (11) from one end of the connecting groove (11) in a sliding and inserting mode, and the fixing rod (43) is controlled to be inserted into the fixing groove (211) from one end of the fixing groove (211) in the sliding and inserting mode;

s3, controlling the second elastic strip (45) to penetrate between the two fixing plates (42);

s4, then, connecting the control rod (52) with the support plate (2) in a threaded manner, vertically and upwardly penetrating through the second elastic strip (45), inserting the control plate (51) between the two fixing plates (42), aligning one end of the control block (53) with one end of the control groove (511) in the process, and pushing the control plate (51) to enable the control block (53) to be inserted into the control groove (511) in a sliding manner;

s5, rotating the control rod (52) to enable the control rod (52) to pull the control plate (51) to abut against the second elastic strip (45) until the second elastic strip (45) abuts against the fixing plates (42) on the two sides;

s6, inserting the plugging plate (23) and the inlet (22), and then fixedly connecting the plugging plate (23) and the support plate (2) through bolts.

Technical Field

The application relates to the field of fabricated buildings, in particular to a prefabricated bridge and a construction process thereof.

Background

In the field of bridge construction, the prefabricated bridge can effectively improve the construction speed, ensure the quality of structural members, improve the structural durability and has wide application range and prospect. The existing assembly type bridge mainly has the problems of low prefabrication degree, low installation efficiency and the like.

Referring to fig. 1, an assembly type bridge in the related art includes a plurality of bridge plates 1 and a plurality of support pillars 3 pre-buried in the ground, and the support pillars 3 are vertically upward. Every two adjacent bridge slabs 1 all overlap joint at the upper surface of same support column 3, and thereby fix between bridge slab 1 and the support column 3 through pouring concrete between bridge slab 1 and the support column 3.

For the above-mentioned related art, the inventor thinks that when needing to fix between bridge slab 1 and support column 3, need on-the-spot stirring concrete, just can accomplish the connection between bridge slab 1 and the support column 3, so accomplish the installation of bridge slab 1 and be comparatively time-consuming and laborious.

Disclosure of Invention

In order to complete the installation of the bridge plate in a time-saving and labor-saving manner, the application provides a prefabricated bridge and a construction process thereof.

In a first aspect, the prefabricated bridge provided by the application adopts the following technical scheme:

the utility model provides a prefabricated bridge, includes a plurality of bridge slabs and a plurality of backup pad, the equal overlap joint of per two adjacent bridge slabs is at the upper surface of same backup pad, the mounting groove has been seted up to the upper surface of backup pad, the one end of mounting groove is run through the backup pad and is formed the import, the spread groove has been seted up respectively to the side that two adjacent bridge slabs are close to each other, it has two fixed plates to peg graft in the mounting groove, a side fixedly connected with connecting rod respectively of every fixed plate, every connecting rod is pegged graft into the spread groove from the one end of corresponding spread groove respectively in, the spread groove is the dovetail, every fixed plate all with a lateral wall of corresponding mounting groove between insert tightly have first elasticity strip, it has the second elasticity strip to insert tightly between two fixed plates.

By adopting the technical scheme, when the bridge plates and the supporting plates need to be fixed, two adjacent bridge plates are lapped on the same supporting plate, then the fixing plate is inserted into the mounting groove from the inlet, and the connecting rod is inserted into the connecting groove from one end of the connecting groove in a sliding manner; the fixed plate presss from both sides tightly first elasticity strip with a lateral wall of mounting groove this moment, alternates into between two fixed plates with second elasticity strip again, and second elasticity strip supports two fixed plates tightly, has accomplished the installation of bridge plate this moment promptly, and comparatively labour saving and time saving just has second elasticity strip between two fixed plates, and the bridge plate of being convenient for takes place expend with heat and contract with cold.

Preferably, two fixed slots have been seted up to the diapire of mounting groove, and the equal fixedly connected with dead lever of one end of connecting rod is kept away from to every fixed plate, and in the dead lever alternates into the fixed slot from the one end of fixed slot, the inside of the more fixed slot of upper end opening of fixed slot is narrow.

Through adopting above-mentioned technical scheme, the grafting of dead lever and fixed slot has consolidated being connected between bridge plate and the backup pad.

Preferably, the width of the fixing groove is greater than that of the fixing rod.

Through adopting above-mentioned technical scheme, the width of fixed slot is greater than the width of dead lever, so makes the dead lever can take place to remove in the fixed slot, and then makes the smooth emergence expend with heat and contract with cold of bridge plate.

Preferably, the upper surface overlap joint of second elastic strip has the control panel, and the lower surface of control panel rotates and is connected with the control lever, and the control lever runs through second elastic strip and with backup pad threaded connection, and the backup pad is run through to the one end that the control panel was kept away from to the control lever.

Through adopting above-mentioned technical scheme, rotate the control lever, the control lever drives the control board to the direction motion of being close to second elastic strip, and the extrusion of control board second elastic strip so to make second elastic strip take place to warp and support tightly every fixed plate, be convenient for control second elastic strip and remain the state of supporting tightly the fixed plate throughout, strengthened being connected of bridge plate and backup pad.

Preferably, a control groove is formed in the surface, close to the second elastic strip, of the control plate, the opening, close to the second elastic strip, of the control groove is narrower than the inside of the control groove, a round control block is fixedly connected to one end, close to the control plate, of the control rod, and the control block is slidably inserted into the control groove from one end of the control groove.

By adopting the technical scheme, the control block is inserted into the control groove in a sliding manner from one end of the control groove, so that the connection between the control block and the control groove is completed, and the round control block is convenient for the control block to rotate in the control groove.

Preferably, an elastic bearing belt is fixedly connected between the two fixing plates.

Through adopting above-mentioned technical scheme, the elastic area of accepting neither influences the expend with heat and contract with cold of bridge plate, has the article that can accept to drop between two bridge plates.

Preferably, a plugging plate is inserted at the inlet, and the plugging plate is bolted with the support plate.

Through adopting above-mentioned technical scheme, the shutoff board is connected with the backup pad import department for the reinforcement subassembly is difficult for breaking away from the mounting groove from the opening part, has reduced the possibility that takes place to break away from between bridge plate and the backup pad.

In a second aspect, the construction process of the prefabricated bridge provided by the application adopts the following technical scheme:

a construction process for prefabricating an assembled bridge comprises the following steps:

s1, overlapping two adjacent bridge plates on the same supporting plate;

s2, respectively clinging the two first elastic strips to corresponding side walls of the mounting groove, inserting the fixing plate into the mounting groove from the inlet, simultaneously controlling the connecting rod to be inserted into the connecting groove in a sliding manner from one end of the connecting groove, and controlling the fixing rod to be inserted into the fixing groove in a sliding manner from one end of the fixing groove;

s3, controlling the second elastic strip to penetrate between the two fixing plates;

s4, connecting the control rod with the supporting plate through threads, vertically penetrating the second elastic strip upwards, inserting the control plate between the two fixing plates, aligning one end of the control block with one end of the control groove in the process, and pushing the control plate to enable the control block to be inserted into the control groove in a sliding manner;

s5, rotating the control rod to enable the control rod to pull the control plate to abut against the second elastic strip until the second elastic strip abuts against the fixing plates on the two sides;

and S6, inserting the plugging plate into the inlet, and then fixedly connecting the plugging plate with the support plate through bolts.

By adopting the technical scheme, the method for mounting the bridge plate by the process is simple and convenient, the connection between the bridge plate and the supporting plate is stable, the expansion caused by heat and the contraction caused by cold of the bridge plate are not influenced, and the service life of the bridge plate is prolonged.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the installation of the bridge plate is completed in a time-saving and labor-saving manner, and the second elastic strip is arranged between the two fixing plates, so that the bridge plate is convenient to expand with heat and contract with cold;

2. the second elastic strip is convenient to control to be always kept in a state of tightly abutting against the fixed plate, and the connection between the bridge plate and the supporting plate is enhanced;

3. the method for installing the bridge plate is simple and convenient, the connection between the bridge plate and the supporting plate is stable, the expansion caused by heat and the contraction caused by cold of the bridge plate are not influenced, and the service life of the bridge plate is prolonged.

Drawings

Fig. 1 is a schematic structural view embodying the related art.

Fig. 2 is a schematic structural diagram of a fabricated bridge according to an embodiment of the present application.

Fig. 3 is a schematic structural diagram of a fixing assembly according to an embodiment of the present application.

FIG. 4 is a cross-sectional view of a control assembly embodying embodiments of the present application.

Description of reference numerals: 1. a bridge plate; 11. connecting grooves; 2. a support plate; 21. mounting grooves; 211. fixing grooves; 22. an inlet; 23. a plugging plate; 3. a support pillar; 4. a fixing assembly; 41. a connecting rod; 42. a fixing plate; 43. fixing the rod; 44. a first elastic strip; 45. a second elastic strip; 46. a carrying belt; 5. a control component; 51. a control panel; 511. a control slot; 52. a control lever; 53. a control block.

Detailed Description

The present application is described in further detail below with reference to figures 2-4.

The embodiment of the application discloses prefabricated bridge. Referring to fig. 2 and 3, the prefabricated assembled bridge includes a plurality of bridge plates 1 and a plurality of support plates 2, and two pre-buried support columns 3 on the ground are fixedly connected to the lower surface of each support plate 2. Two adjacent bridge plates 1 are jointly lapped on the upper surface of one support plate 2, and the support plate 2 is connected with a fixing component 4 for fixing the support plate 2 and the bridge plates 1.

The upper surface of backup pad 2 has seted up rectangular shape mounting groove 21, thereby the one end of mounting groove 21 runs through backup pad 2 and forms import 22, and import 22 department is pegged graft and is had shutoff board 23, and the bolt is connected between shutoff board 23 and the backup pad 2. A connecting groove 11 has all been seted up to two bridge plate 1 side that are close to each other, and fixed subassembly 4 includes the connecting rod 41 with every connecting groove 11 grafting, and connecting groove 11 is the dovetail, connecting rod 41 and the shape size looks adaptation of connecting groove 11.

The fixing assembly 4 further includes two fixing plates 42, an upper end of each fixing plate 42 is fixedly connected to a corresponding one of the connecting rods 41, and a gap is formed between the two fixing plates 42. The lower end of each fixing plate 42 is inserted into the same mounting groove 21, a first elastic strip 44 is inserted between each fixing plate 42 and a corresponding side wall of the mounting groove 21, and the first elastic strip 44 is clamped between the fixing plate 42 and the side wall of the mounting groove 21. A second elastic strip 45 is inserted between the two fixing plates 42, and the second elastic strip 45 is clamped by the two fixing plates 42.

When the bridge plates 1 and the support plates 2 need to be fixed, two adjacent bridge plates 1 are lapped on the same support plate 2, and then the two first elastic strips 44 are respectively tightly attached to one corresponding side wall of the installation groove 21; the fixing plate 42 is inserted into the mounting groove 21 through the inlet 22, and the connecting rod 41 is inserted into the connecting groove 11 through one end of the connecting groove 11. And inserting the second elastic strip 45 between the two fixing plates 42, finally inserting the plugging plate 23 and the inlet 22, and fixedly connecting the plugging plate 23 and the support plate 2 through bolts, so that the fixed connection between the bridge plate 1 and the support plate 2 is completed. And the gap left between the two fixing plates 42, the first elastic strip 44 and the second elastic strip 45 facilitate the expansion with heat and contraction with cold of the bridge plate 1.

Two fixing grooves 211 are formed in the bottom wall of the mounting groove 21, and the upper end opening of each fixing groove 211 is narrower than the inside of the corresponding fixing groove 211. The fixing rod 43 is fixedly connected to the lower end of each fixing plate 42, each fixing rod 43 penetrates into the corresponding fixing groove 211 from one end of the corresponding fixing groove 211, and the connection between the bridge plate 1 and the support plate 2 is reinforced by the insertion of the fixing rod 43 and the fixing groove 211. The width of fixed slot 211 is greater than the width of dead lever 43, thereby when taking place expend with heat and contract with cold and drive fixed plate 42 removal so bridge plate 1, fixed plate 42 drives dead lever 43 and removes in fixed slot 211 for the emergence expend with heat and contract with cold that bridge plate 1 can be comparatively smooth.

A bearing belt 46 made of elastic material is fixedly connected between the two fixing plates 42, the middle part of the bearing belt 46 protrudes downwards, and the bearing belt 46 is convenient for bearing articles falling between two adjacent bridge plates 1.

Referring to fig. 3 and 4, when the second elastic strip 45 is exposed to the outside for a long time and corroded, the second elastic strip 45 may not be able to tightly abut against the two fixing plates 42. In order to solve the problem, the supporting plate 2 is connected with a control component 5 which adjusts the second elastic strip 45 to better abut against the fixing plate 42. The control assembly 5 includes a control plate 51 disposed on the upper surface of the second elastic strip 45, the control plate 51 being of equal length to the second elastic strip 45. The lower surface of control panel 51 is rotated and is connected with control lever 52, and control lever 52 vertically runs through second elastic strip 45 and with backup pad 2 threaded connection, and the one end that control lever 52 kept away from control panel 51 breaks away from backup pad 2.

The control rod 52 is rotated to be away from one end of the control plate 51, so that the control rod 52 drives the control plate 51 to move towards the direction close to the second elastic strip 45, in the process, the control rod 52 extrudes the second elastic strip 45, the second elastic strip 45 deforms to tightly abut against the two fixing plates 42, and the operation is simple and convenient.

The control plate 51 has a control groove 511 formed in the bottom surface thereof, both ends of the control groove 511 penetrate the control plate 51, and the lower opening of the control groove 511 is narrower than the inside of the control groove 511. A circular control block 53 is fixedly connected to the upper end of the control lever 52, and the control block 53 is slidably inserted into the control slot 511 from one end of the control slot 511, so that the control block 53 can rotate in the control slot 511 and the control block 53 is difficult to be separated from the control slot 511 from the lower opening of the control slot 511.

The embodiment of the application also discloses a construction process of the prefabricated bridge, which comprises the following steps:

s1, overlapping two adjacent bridge plates 1 on the same supporting plate 2;

s2, respectively attaching the two first elastic strips 44 to a corresponding sidewall of the mounting groove 21, inserting the fixing plate 42 into the mounting groove 21 from the inlet 22, inserting the control connecting rod 41 into the connecting groove 11 from one end of the connecting groove 11, and inserting the control fixing rod 43 into the fixing groove 211 from one end of the fixing groove 211;

s3, controlling the second elastic strip 45 to penetrate between the two fixing plates 42;

s4, then, connecting the control rod 52 with the support plate 2 by screw thread and vertically penetrating the second elastic strip 45 upwards, and then inserting the control plate 51 between the two fixing plates 42, aligning one end of the control block 53 with one end of the control slot 511 in the process, and pushing the control block 53 to slide and insert into the control slot 511;

s5, rotating the control rod 52 to enable the control rod 52 to pull the control plate 51 to abut against the second elastic strip 45 until the second elastic strip 45 abuts against the fixing plates 42 on the two sides;

s6, inserting the plugging plate 23 into the inlet 22, and then fixedly connecting the plugging plate 23 with the support plate 2 through bolts;

s7, repeating the above operation, and completing the connection between each bridge panel 1 and the support panel 2.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.