CN219195612U

CN219195612U - Steel box structure

Info

Publication number: CN219195612U
Application number: CN202320039822.5U
Authority: CN
Inventors: 李腾星
Original assignee: Shenzhen Liantian Steel Structure Bridge Engineering Co ltd
Current assignee: Shenzhen Liantian Steel Structure Bridge Engineering Co ltd
Priority date: 2023-01-05
Filing date: 2023-01-05
Publication date: 2023-06-16
Anticipated expiration: 2033-01-05

Abstract

The application discloses steel box structure relates to bridge construction field, improves the higher problem of installation cost of present steel box girder. Including first steel case, one side butt of first steel case has the second steel case, first steel case with the screw thread through-hole has all been seted up to the both sides of second steel case symmetry, and two sets of near one side screw thread through-hole's inside all wears to be equipped with the inserted bar, the both sides of first steel case all symmetry be equipped with one side inserted bar sliding connection's location limiting plate, this application is through screw thread through-hole, inserted bar and through-hole's setting for after first steel case and second steel case welding are accomplished, only need take out location limiting plate and movable limiting plate from the inside of inserted bar, then take out the inside of inserting bar from screw thread through-hole can accomplish the dismantlement to location limiting plate, movable limiting plate and inserted bar, so that follow-up used repeatedly, thereby effectively reduced the installation cost of whole steel case roof beam.

Description

Steel box structure

Technical Field

The application relates to the field of bridge construction, in particular to a steel box structure.

Background

The steel box is also called a steel box girder, is a common structural form of a large-span bridge, is generally used on a bridge with a large span, is like a box in appearance, and is called a steel box girder, and is generally formed by connecting a top plate, a bottom plate, a web plate, transverse partition plates, longitudinal partition plates, stiffening ribs and the like in an all-welded mode, wherein the top plate is an orthotropic bridge deck formed by cover plates and longitudinal stiffening ribs.

The current steel case roof beam structure, as described in the patent of bulletin number CN214401377U, including first case and second case, all rotate on the both sides wall of first case and have the gag lever post, all be fixed with the gag lever post on the both sides wall of second case, the one end that first case was kept away from to the gag lever post is fixed with the cardboard, the both ends of cardboard all are ninety degrees bending, the gag lever post is located between the both ends of cardboard, the cardboard slides on the gag lever post, the upper end of cardboard is provided with the slider that is used for restricting the cardboard.

With respect to the related art, the inventor considers that the worm wheel is rotatably connected to the upper surface of the inner cavity of the first box, and the worm is rotatably connected to the first box, so that the worm wheel and the worm cannot be detached for repeated use after the first box and the second box are completed, and the installation cost of the whole steel box girder is high.

Disclosure of Invention

In order to solve the problem that the installation cost of the existing steel box girder is high, the application provides a steel box structure.

The application provides a steel box structure, adopts following technical scheme:

the utility model provides a steel box structure, includes first steel box, one side butt of first steel box has the second steel box, first steel box with the screw thread through-hole has all been seted up to the both sides of second steel box symmetry, and two sets of near screw thread through-hole's inside all wears to be equipped with the inserted bar, the both sides of first steel box all symmetry be equipped with one side inserted bar sliding connection's location limiting plate, the both sides of second steel box all be equipped with the opposite side inserted bar sliding connection's movable limiting plate, the location limiting plate with the inside of movable limiting plate all seted up with the through-hole of inserted bar looks adaptation, the inserted bar runs through the through-hole, two sets of fixed limiting plate is close to one side of movable limiting plate all rotates to be connected with adjusting screw, two sets of adjusting screw runs through two sets of movable limiting plate respectively, two sets of adjusting screw respectively with two sets of movable limiting plate threaded connection.

Through adopting above-mentioned technical scheme, after first steel case and second steel case welding are accomplished, only need take out the locating plate with move the locating plate from the inside of inserted bar, then take out the inside of threaded through-hole with the inserted bar and can accomplish the dismantlement to locating the locating plate, move locating plate and inserted bar to follow-up used repeatedly, thereby effectively reduced the installation cost of whole steel case roof beam.

Optionally, the two sets of the two sides of the inserted link are provided with hook holes.

Through adopting above-mentioned technical scheme, the setting of hook hole is convenient for the lifting hook of loop wheel machine runs through the hook to be convenient for follow-up hoist and mount first steel case or second steel case.

Optionally, two sets of adjusting screw keep away from the equal fixedly connected with hexagonal nut of one end of deciding the limiting plate.

Through adopting above-mentioned technical scheme, hexagonal nut's setting is convenient for utilize the spanner to rotate adjusting screw rod.

Optionally, two groups of fixed limiting plates are close to one side of the movable limiting plate and are fixedly connected with guide rods, the two groups of guide rods penetrate through the two groups of movable limiting plates respectively, and the two groups of guide rods are connected with the two groups of movable limiting plates in a sliding mode respectively.

Through adopting above-mentioned technical scheme, the setting of guide bar is used for controlling the removal of moving limiting plate and plays the effect of direction.

Optionally, the homonymy move the limiting plate with be equipped with the handle between the limiting plate, the handle with guide bar fixed connection, the guide bar is kept away from the one end fixedly connected with stopper of limiting plate.

Through adopting above-mentioned technical scheme, the setting of handle is convenient for hold guide bar, movable limiting plate and fixed limiting plate.

Optionally, the first steel case with the inside both sides of second steel case are all symmetry fixedly connected with right angle boards.

Through adopting above-mentioned technical scheme, the setting of right angle plate is used for providing the support to the inside both sides of first steel case and second steel case to improve the intensity of first steel case and second steel case.

Optionally, upright posts are uniformly and fixedly connected between the inner bottom wall and the inner top wall of the first steel box and the inner bottom wall of the second steel box.

Through adopting above-mentioned technical scheme, the setting of stand is used for supporting fixedly the inside of first steel case and second steel case to further improve the intensity of first steel case and second steel case.

Optionally, an internal thread of the threaded through hole on one side is connected with an adaptive threaded plug.

Through adopting above-mentioned technical scheme, the setting of screw thread stopper is used for being used for blocking the screw thread through-hole after the inside of screw thread through-hole.

In summary, the beneficial effects of the application are as follows:

this application passes through screw thread through-hole, inserted bar and through-hole's setting for after first steel case and second steel case welding are accomplished, only need take out the locating plate with move the locating plate from the inside of inserted bar, then take out the inserted bar from screw thread through-hole's inside can accomplish the dismantlement to locating the locating plate, move locating plate and inserted bar, so that follow-up used repeatedly, thereby effectively reduced the installation cost of whole steel case roof beam.

Drawings

FIG. 1 is a schematic overall structure of the present application;

fig. 2 is another schematic view of the overall structure of the present application.

Reference numerals illustrate: 1. a first steel box; 2. a second steel box; 3. a threaded through hole; 4. a rod; 5. a fixed limiting plate; 6. a movable limiting plate; 7. adjusting a screw; 8. a guide rod; 9. a limiting block; 10. a handle; 11. a hexagonal nut; 12. a hook hole; 13. a through hole; 14. a threaded plug; 15. a column; 16. a right angle plate.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-2.

Referring to fig. 1-2, a steel box structure includes a first steel box 1, a second steel box 2 is abutted to one side of the first steel box 1, right angle plates 16 are symmetrically and fixedly connected to two sides of the inside of the first steel box 1 and the second steel box 2, and the right angle plates 16 are used for providing support to two sides of the inside of the first steel box 1 and the second steel box 2 so as to improve the strength of the first steel box 1 and the second steel box 2. The stand column 15 is uniformly and fixedly connected between the inner bottom wall and the inner top wall of the first steel box 1 and the second steel box 2, and the stand column 15 is used for supporting and fixing the inner parts of the first steel box 1 and the second steel box 2, so that the strength of the first steel box 1 and the second steel box 2 is further improved.

Referring to fig. 1-2, threaded through holes 3 are symmetrically formed in two sides of the first steel box 1 and the second steel box 2, inserting rods 4 are respectively arranged in two groups of threaded through holes 3 on the same side in a penetrating manner, and the threaded through holes 3 are used for allowing the inserting rods 4 to penetrate. The two sides of the two sets of inserted bars 4 are internally provided with the hook holes 12, and the hook holes 12 are arranged to facilitate the hanging hook of the crane to penetrate and hook, so that the first steel box 1 or the second steel box 2 can be hoisted conveniently. The inside thread of the threaded through hole 3 on one side is connected with an adaptive thread plug 14, and the setting of the thread plug 14 is used for blocking the threaded through hole 3 after being screwed into the inside of the threaded through hole 3.

Referring to fig. 1, positioning plates 5 slidably connected with one side of the insert rod 4 are symmetrically disposed on both sides of the first steel box 1, moving limiting plates 6 slidably connected with the other side of the insert rod 4 are disposed on both sides of the second steel box 2, through holes 13 adapted to the insert rod 4 are formed in the positioning plates 5 and the moving limiting plates 6, the insert rod 4 penetrates through the through holes 13, and the through holes 13 are used for allowing the insert rod 4 to penetrate through. Two sets of locating limiting plates 5 are close to one side of the moving limiting plate 6 and are all rotationally connected with adjusting screws 7, two sets of adjusting screws 7 penetrate through two sets of moving limiting plates 6 respectively, two sets of adjusting screws 7 are in threaded connection with two sets of moving limiting plates 6 respectively, and the setting of the adjusting screws 7 is used for driving the moving limiting plates 6 to move left and right when rotating, so that the adjustment of the spacing between the moving limiting plates 6 and the locating limiting plates 5 is achieved, and the first steel box 1 and the second steel box 2 can be limited. Two sets of adjusting screw 7 keep away from the equal fixedly connected with hexagonal nut 11 of one end of deciding limiting plate 5, and hexagonal nut 11's setting is convenient for utilize the spanner to rotate adjusting screw 7.

Referring to fig. 1, the two sets of fixed limiting plates 5 are fixedly connected with guide rods 8 on one side close to the movable limiting plate 6, the two sets of guide rods 8 penetrate through the two sets of movable limiting plates 6 respectively, the two sets of guide rods 8 are slidably connected with the two sets of movable limiting plates 6 respectively, and the arrangement of the guide rods 8 is used for guiding the left-right movement of the movable limiting plates 6. A handle 10 is arranged between the same-side movable limiting plate 6 and the fixed limiting plate 5, the handle 10 is fixedly connected with the guide rod 8, and the handle 10 is arranged to facilitate holding of the guide rod 8, the movable limiting plate 6 and the fixed limiting plate 5. One end of the guide rod 8, which is far away from the fixed limiting plate 5, is fixedly connected with a limiting block 9, and the setting of the limiting block 9 is used for limiting the movement of the movable limiting plate 6.

The implementation principle of the application is as follows:

in the process of installing the first steel box 1 and the second steel box 2, the inserted link 4 is penetrated through the threaded through holes 3 on the two sides of the first steel box 1 in advance, then the hanging hooks of the crane penetrate through the hooking holes 12, so that the inserted link 4 is hooked, then the first steel box 1 is hoisted at the top end of a pre-poured pile foundation through the crane and fixed, then the inserted link 4 is penetrated through the threaded through holes 3 on the two sides of the second steel box 2, then the hanging hooks of the crane penetrate through the hooking holes 12, so that the inserted link 4 is hooked, then the second steel box 2 is hoisted to the top of the pre-poured pile foundation, one end face of the second steel box 2 is attached to one end face of the first steel box 1, then two groups of positioning limiting plates 5 are taken out, the penetrating holes 13 in the two groups of positioning limiting plates 5 are aligned with the two ends of the inserted link 4 on the side of the first steel box 1, which is close to the second steel box 2, then two groups of adjusting screws 7 are rotated, the adjusting screw 7 drives the movable limiting plate 6 to move along the guide rod 8 when rotating until the corresponding through hole 13 in the guide rod 8 is adjusted to correspond to the inserted rod 4 of the second steel box 2, which is close to one side of the first steel box 1, then the fixed limiting plate 5 and the movable limiting plate 6 are respectively inserted into the outer sides of the corresponding inserted rods 4, then the two groups of hexagonal nuts 11 can be synchronously rotated by using a spanner, the hexagonal nuts 11 drive the two groups of adjusting screw 7 to synchronously rotate when rotating, thereby driving the two groups of movable limiting plates 6 to move to one side of the fixed limiting plate 5, driving the inserted rod 4 of the second steel box 2, which is close to one side of the first steel box 1, and the second steel box 2 to move to one side of the first steel box 1 until the second steel box 2 abuts against the first steel box 1, then a gap between the first steel box 1 and the second steel box 2 can be welded, after welding is finished, the movable limiting plate 6 and the fixed limiting plate 5 are only required to be taken out from the outer side of the inserted rod 4, then the inserted rod 4 is pulled out from the inside of the threaded through hole 3, so that the subsequent installation and use are facilitated, and then the threaded plug 14 can be taken out and screwed into the inside of the threaded through hole 3, so that the threaded through hole 3 is blocked.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a steel box structure, includes first steel box (1), one side butt of first steel box (1) has second steel box (2), its characterized in that: the utility model discloses a motor vehicle speed adjusting device, including first steel case (1) and second steel case (2), screw thread through-hole (3) have all been seted up to the both sides of equal symmetry of first steel case (1) with screw thread through-hole (3) are two sets of near inside of screw thread through-hole (3) is all worn to be equipped with inserted bar (4), the both sides of first steel case (1) all are equipped with one side inserted bar (4) sliding connection's location limiting plate (5), the both sides of second steel case (2) all be equipped with the opposite side inserted bar (4) sliding connection move limiting plate (6), location limiting plate (5) with move the inside of limiting plate (6) all seted up with inserted bar (4) looks adaptation through-hole (13), inserted bar (4) run through-hole (13), two sets of location limiting plate (5) are close to one side of moving limiting plate (6) is all rotated and is connected with adjusting screw (7), two sets of adjusting screw (7) run through two sets of respectively limiting plate (6) respectively.

2. A steel box structure according to claim 1, wherein: the two groups of the inserted bars (4) are provided with hook holes (12) inside both sides.

3. A steel box structure according to claim 1, wherein: and one ends of the two groups of adjusting screws (7) far away from the fixed limiting plate (5) are fixedly connected with hexagonal nuts (11).

4. A steel box structure according to claim 3, wherein: two sets of location limiting plate (5) are close to one side of moving limiting plate (6) is all fixedly connected with guide bar (8), two sets of guide bar (8) run through two sets of moving limiting plate (6) respectively, two sets of guide bar (8) respectively with two sets of moving limiting plate (6) sliding connection.

5. A steel box structure according to claim 4, wherein: the same side move limiting plate (6) with be equipped with handle (10) between locating limiting plate (5), handle (10) with guide bar (8) fixed connection, guide bar (8) are kept away from one end fixedly connected with stopper (9) of locating limiting plate (5).

6. A steel box structure according to claim 1, wherein: and right angle plates (16) are symmetrically and fixedly connected to the two sides of the inner part of the first steel box (1) and the two sides of the inner part of the second steel box (2).

7. A steel box structure according to claim 6, wherein: and upright posts (15) are uniformly and fixedly connected between the inner bottom wall and the inner top wall of the first steel box (1) and the inner bottom wall of the second steel box (2).

8. A steel box structure according to claim 1, wherein: and an adaptive threaded plug (14) is connected with the internal thread of the threaded through hole (3) at one side.