CN214245306U

CN214245306U - Assembled highway steel bridge truss piece

Info

Publication number: CN214245306U
Application number: CN202021315306.3U
Authority: CN
Inventors: 周建; 杨华斌; 周小华
Original assignee: Jiangsu Zhonghai Bridge Equipment Co Ltd
Current assignee: Jiangsu Zhonghai Bridge Equipment Co Ltd
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2021-09-21
Anticipated expiration: 2030-07-07

Abstract

The utility model discloses an assembly type highway steel bridge truss piece, which belongs to the technical field of assembly type highway steel bridges and solves the technical problem that the truss piece is inconvenient to transport in the prior art, the technical proposal is that the utility model comprises a first horizontal rod, a second horizontal rod, a third vertical rod and a fourth vertical rod, the upper end and the lower end of the third rod can be detachably connected with the first rod and the second rod, the ends of the first rod and the second rod far away from the third rod are respectively provided with a sliding-in groove for the upper end and the lower end of the fourth rod to enter, when the fourth rod enters the sliding groove, the first rod and the second rod are both provided with limit parts for limiting the position of the fourth rod, one end of each of the first rod and the second rod close to the third rod is provided with a connecting rod which enters the adjacent sliding groove of the first rod and the second rod, when the connecting rod enters the sliding groove of the adjacent first rod and the second rod, the first rod and the second rod are in threaded connection with a locking column penetrating through the connecting rod.

Description

Assembled highway steel bridge truss piece

Technical Field

The utility model relates to an assembled highway steel bridge truss piece belongs to the technical field of assembled highway steel bridge.

Background

The '200' assembly type highway steel bridge is a standard bridge which can be decomposed and quickly erected and is mainly used for rush-repair and engineering construction. The main components of ZB200 are truss pieces, but as shown in fig. 5, the truss pieces have fixed outer dimensions and are inconvenient to transport during transportation.

SUMMERY OF THE UTILITY MODEL

For solving the not enough of prior art, the utility model aims to provide an assembled highway steel bridge truss piece has solved the inconvenient technical problem of truss piece transportation among the prior art.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides an assembled highway steel bridge truss piece, includes horizontally first pole and second pole and vertical third pole and fourth pole, both ends all can be dismantled on first pole and second pole about the third pole, the slip-in groove that both ends got into about supplying the fourth pole all is offered to first pole and second pole in the one end of keeping away from the third pole, and back in the fourth pole gets into the slip-in groove, all be equipped with the locating part of restriction fourth pole position on first pole and the second pole, the one end that first pole and second pole are close to the third pole all is equipped with the connecting rod that gets into adjacent first pole and second pole slip-in groove, when the connecting rod gets into the slip-in groove of adjacent first pole and second pole, threaded connection has the locking post that passes the connecting rod on first pole and the second pole.

Through adopting above-mentioned technical scheme, install the third pole on first pole and second pole earlier when the installation, later with the fourth pole ann in the sliding groove of first pole and second pole, carry on spacingly to the fourth pole through the locating part, truss piece is installed this moment, can dismantle the transportation with first pole in the transportation, the second pole, third pole and fourth pole, install above-mentioned order at the building site afterwards and install, when needing the installation of a plurality of truss pieces, with the connecting rod ann in the sliding groove of adjacent first pole and second pole, the rethread locking post locking, the installation is dismantled conveniently, the cost of effectual reduction steel bridge, very big improvement assembled highway steel bridge adaptability and productivity, win customer and market.

Preferably, after third pole and fourth pole and first pole and second pole link together, all be equipped with U type connecting plate on third pole and the fourth pole, two all be equipped with the bracing piece that extends to on first pole or the second pole on the connecting plate, two one end interconnect that the bracing piece extends to on first pole and the second pole.

Preferably, the cross section of fourth rod is square, the locating part is including setting up the U type spacing groove at the relative both sides face of fourth rod, the U type spacing groove opening is towards the cell wall of sliding groove, be equipped with the slider that gets into in the spacing groove opening on the cell wall of sliding groove, when the fourth rod contradicts with the cell wall of sliding groove towards a side of third pole, equal threaded connection has the first threaded rod that passes the spacing groove on first pole and the second pole.

Preferably, the second rod is arranged close to the ground, the fourth rod is provided with a fixing plate positioned on the upper end face of the second rod, and the fixing plate is in threaded connection with a second threaded rod in threaded connection with the second rod.

Preferably, the cross section of third pole is square, both ends all are equipped with two locating pieces about the third pole, are located two of one end the locating piece is located the relative both sides face of third pole, all be equipped with the draw-in groove that supplies two locating pieces and third pole to get into on first pole and the second pole, equal threaded connection has the third threaded rod that passes two locating pieces on first pole and the second pole.

Preferably, the sliding connection is connected with the compact heap in the draw-in groove, be equipped with the first arch that gets into the locating piece and the second arch of contradicting with the third pole on the compact heap, after the compact heap compresses tightly the third pole on the draw-in groove cell wall, the mounting groove has been seted up on the compact heap, the mounting groove is located between two locating pieces just threaded connection has the fourth threaded rod with locating piece threaded connection on the cell wall of mounting groove, the fourth threaded rod passes the cell wall threaded connection of locating piece and draw-in groove.

Preferably, a moving plate extending out of the clamping groove is arranged on the pressing block.

Preferably: the length of the first rod and the second rod is 1.5 meters.

The utility model discloses the beneficial effect who reaches: install the third pole earlier on first pole and second pole when the installation, install the fourth pole in the sliding groove of first pole and second pole afterwards, it is spacing to carry out the fourth pole through the locating part, the truss piece is installed this moment, can be with the first pole in the transportation, the second pole, transportation is dismantled to third pole and fourth pole, install above-mentioned order at the building site afterwards and install, when needing the installation of a plurality of truss pieces, install the connecting rod in the sliding groove of adjacent first pole and second pole, the rethread locking post locks, the installation is dismantled conveniently, the cost of effectual reduction steel bridge, very big improvement assembled highway steel bridge adaptability and productivity, win customer and market.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

fig. 3 is a schematic structural diagram of the positioning block according to the present invention;

fig. 4 is a schematic structural view for embodying the second protrusion of the present invention;

fig. 5 is a schematic diagram of a prior art structure.

The meaning of the reference symbols in the figures: 1. a first lever; 11. a second lever; 12. a third lever; 13. a fourth bar; 131. sliding into the groove; 14. a connecting rod; 141. a locking post; 15. a connecting plate; 151. a support bar; 16. a limiting groove; 161. a slider; 162. a first threaded rod; 17. a fixing plate; 171. a second threaded rod; 18. positioning blocks; 181. a card slot; 182. a third threaded rod; 183. a compression block; 184. a first protrusion; 185. a second protrusion; 186. mounting grooves; 187. a fourth threaded rod; 188. and (5) moving the plate.

Detailed Description

The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

The embodiment discloses an assembly type highway steel bridge truss sheet, as shown in fig. 1 and fig. 2, the sheet comprises a first horizontal rod 1, a second horizontal rod 11, a third vertical rod 12 and a fourth vertical rod 13, the length of the first rod 1 and the second rod 11 is 1.5 m, the width requirement in non-standard use is met, the upper end and the lower end of the third rod 12 can be detachably connected to the first rod 1 and the second rod 11, the first rod 1 and the second rod 11 are arranged in parallel, the ends of the first rod 1 and the second rod 11 far away from the third rod 12 are respectively provided with a slide-in groove 131 for the upper end and the lower end of the fourth rod 13 to enter, after the fourth rod 13 enters the slide-in groove 131, the first rod 1 and the second rod 11 are respectively provided with a limiting piece for limiting the position of the fourth rod 13, the ends of the first rod 1 and the second rod 11 near the third rod 12 are respectively provided with a connecting rod 14 entering the slide-in grooves 131 of the adjacent first rod 1 and the second rod 11, when the connecting rod 14 enters the slide-in groove 131 of the adjacent first rod 1 and the adjacent second rod 11, the first rod 1 and the second rod 11 are in threaded connection with locking columns 141 penetrating through the connecting rod 14, the upper ends and the lower ends of the sliding grooves 131 penetrate through the upper side and the lower side of the first rod 1 and the second rod 11, so that the fourth rod 13 can enter conveniently, and the locking columns 141 penetrate through the two opposite sides of the outer walls of the first rod 1 and the second rod 11 at the moment.

As shown in fig. 1 and 2, when the assembling process is performed, the third rod 12 is firstly installed on the first rod 1 and the second rod 11, then the fourth rod 13 is installed in the sliding groove 131 of the first rod 1 and the second rod 11, the limiting member limits the fourth rod 13, at this time, the truss pieces are installed, the first rod 1, the second rod 11, the third rod 12 and the fourth rod 13 can be disassembled and transported in the transportation process, and then the sequential installation is performed on the construction site, when a plurality of truss pieces are needed to be installed, the connecting rod 14 is installed in the sliding groove 131 of the adjacent first rod 1 and second rod 11, and then the locking column 141 is used for locking, so that the assembling process is convenient to assemble and disassemble, the manufacturing cost of the steel bridge is effectively reduced, the adaptability and labor productivity of the assembled type road steel bridge are greatly improved, and customers and the market are won.

Referring to fig. 1 and 2, after the third rod 12 and the fourth rod 13 are connected to the first rod 1 and the second rod 11, U-shaped connecting plates 15 are disposed on the third rod 12 and the fourth rod 13, supporting rods 151 extending to the first rod 1 or the second rod 11 are disposed on the two connecting plates 15, and ends of the two supporting rods 151 extending to the first rod 1 and the second rod 11 are connected to each other. At this time, the support rod 151 reduces the deformation of the first rod 1 and the second rod 11, and improves the stability of the entire truss work.

As shown in fig. 1 and 2, the cross section of the fourth rod 13 is square, the limiting member includes U-shaped limiting grooves 16 disposed on two opposite side surfaces of the fourth rod 13, an opening of the U-shaped limiting groove 16 faces a groove wall of the sliding groove 131, a slider 161 that enters the opening of the limiting groove 16 is disposed on the groove wall of the sliding groove 131, when the fourth rod 13 moves in the sliding groove 131, the slider 161 slides in the opening of the limiting groove 16, guides the movement of the fourth rod 13 and facilitates the fourth dry-supporting of the first rod 1, the first rod 1 is disposed above the second rod 11, when one side surface of the fourth rod 13 facing the third rod 12 is abutted against the groove wall of the sliding groove 131, the first threaded rod 162 penetrating through the limiting groove 16 is threadedly connected to each of the first rod 1 and the second rod 11, and at this time, the first threaded rod 162 fixes the fourth rod 13 in the sliding groove 131, thereby fixing it.

As shown in fig. 1 and 2, the second rod 11 is disposed near the ground, the fourth rod 13 is provided with a fixing plate 17 disposed on the upper end surface of the second rod 11, and the fixing plate 17 is threadedly connected with a second threaded rod 171 threadedly connected with the second rod 11. At this time, the second threaded rod 171 further fixes the position of the fourth rod 13 on the second rod 11, and the fixed plate 17 interferes with the upper end surface of the second rod 11 to reduce the tendency of the fourth rod 13 to move downward, so that the position of the fourth rod 13 is fixed.

As shown in fig. 2 and 3, in order to facilitate the installation of the third rod 12, the cross section of the third rod 12 is square, two positioning blocks 18 are respectively disposed at the upper end and the lower end of the third rod 12, the two positioning blocks 18 located at one end are located at two opposite side surfaces of the third rod 12, clamping grooves 181 for the two positioning blocks 18 and the third rod 12 to enter are respectively disposed on the first rod 1 and the second rod 11, and a third threaded rod 182 penetrating through the two positioning blocks 18 is respectively in threaded connection with the first rod 1 and the second rod 11. The third threaded rod 182 is arranged to fix the position of the third rod 12 on the first rod 1 and the second rod 11, and the positioning block 18 is arranged to increase the connection area of the third rod 12 with the first rod 1 and the second rod 11, so that the third rod 12 is stably connected.

As shown in fig. 2 and 3, in order to further stabilize the position of the third rod 12, a pressing block 183 is slidably connected in the clamping groove 181, a first protrusion 184 entering the positioning block 18 and a second protrusion 185 (as shown in fig. 4) abutting against the third rod 12 are disposed on the pressing block 183, after the pressing block 183 presses the third rod 12 against the groove wall of the clamping groove 181, a mounting groove 186 is disposed on the pressing block 183, the mounting groove 186 is located between the two positioning blocks 18, a fourth threaded rod 187 threadedly connected with the positioning block 18 is threadedly connected to the groove wall of the mounting groove 186, and the fourth threaded rod 187 passes through the positioning block 18 and is threadedly connected with the groove wall of the clamping groove 181. At this time, the operator mounts the fourth threaded rod 187 through the mounting groove 186, so that the fourth threaded rod 187 passes through the pressing block 183 to be in threaded connection with the positioning block 18 until the fourth threaded rod 187 enters the groove wall of the clamping groove 181.

As shown in fig. 2 and 3, the pressing block 183 is provided with a moving plate 188 extending out of the locking slot 181, so that an operator can move the pressing block 183 conveniently.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.

Claims

1. The assembled highway steel bridge truss piece is characterized by comprising a first horizontal rod (1), a second horizontal rod (11), a third vertical rod (12) and a fourth vertical rod (13), wherein the upper end and the lower end of the third rod (12) are detachably connected onto the first rod (1) and the second rod (11), the ends, far away from the third rod (12), of the first rod (1) and the second rod (11) are respectively provided with a sliding-in groove (131) for the upper end and the lower end of the fourth rod (13) to enter, after the fourth rod (13) enters the sliding-in grooves (131), the first rod (1) and the second rod (11) are respectively provided with a limiting piece for limiting the position of the fourth rod (13), and the ends, close to the third rod (12), of the first rod (1) and the second rod (11) are respectively provided with a connecting rod (14) entering the adjacent sliding-in grooves (131) of the first rod (1) and the second rod (11), when the connecting rod (14) enters the sliding groove (131) of the adjacent first rod (1) and second rod (11), the first rod (1) and second rod (11) are in threaded connection with a locking column (141) penetrating through the connecting rod (14).

2. The fabricated highway steel bridge truss sheet according to claim 1, wherein after the third rod (12) and the fourth rod (13) are connected with the first rod (1) and the second rod (11), U-shaped connecting plates (15) are arranged on the third rod (12) and the fourth rod (13), supporting rods (151) extending to the first rod (1) or the second rod (11) are arranged on two connecting plates (15), and one ends of the two supporting rods (151) extending to the first rod (1) and one end of the two supporting rods (11) are connected with each other.

3. The fabricated highway steel bridge truss piece according to claim 1, wherein the cross section of the fourth rod (13) is square, the limiting member comprises U-shaped limiting grooves (16) arranged on two opposite side surfaces of the fourth rod (13), the openings of the U-shaped limiting grooves (16) face the groove wall of the sliding groove (131), a sliding block (161) entering the openings of the limiting grooves (16) is arranged on the groove wall of the sliding groove (131), and when one side surface of the fourth rod (13) facing the third rod (12) is abutted against the groove wall of the sliding groove (131), a first threaded rod (162) penetrating through the limiting groove (16) is in threaded connection with each of the first rod (1) and the second rod (11).

4. The fabricated highway steel bridge truss sheet according to claim 3, wherein the second rod (11) is arranged close to the ground, a fixed plate (17) positioned on the upper end surface of the second rod (11) is arranged on the fourth rod (13), and a second threaded rod (171) in threaded connection with the second rod (11) is in threaded connection with the fixed plate (17).

5. The fabricated highway steel bridge truss piece according to claim 1, wherein the cross section of the third rod (12) is square, two positioning blocks (18) are arranged at the upper end and the lower end of the third rod (12), the two positioning blocks (18) at one end are arranged at two opposite side surfaces of the third rod (12), clamping grooves (181) for the two positioning blocks (18) and the third rod (12) to enter are arranged on the first rod (1) and the second rod (11), and third threaded rods (182) penetrating through the two positioning blocks (18) are in threaded connection with the first rod (1) and the second rod (11).

6. The fabricated highway steel bridge truss piece according to claim 5, wherein a pressing block (183) is slidably connected in the clamping groove (181), a first protrusion (184) entering the positioning blocks (18) and a second protrusion (185) abutting against the third rod (12) are arranged on the pressing block (183), after the third rod (12) is pressed on the groove wall of the clamping groove (181) by the pressing block (183), a mounting groove (186) is formed in the pressing block (183), the mounting groove (186) is located between the two positioning blocks (18), a fourth threaded rod (187) in threaded connection with the positioning blocks (18) is connected to the groove wall of the mounting groove (186) in a threaded manner, and the fourth threaded rod (187) penetrates through the positioning blocks (18) to be in threaded connection with the groove wall of the clamping groove (181).

7. The fabricated highway steel bridge truss sheet according to claim 6, wherein the compression block (183) is provided with a moving plate (188) extending out of the clamping groove (181).

8. Fabricated highway steel bridge truss sheet according to claim 1, wherein the length of the first and second bars (1, 11) is 1.5 meters.