CN216238123U

CN216238123U - Orthotropic steel bridge deck structure based on pipe or bar serving as lower edge of transverse rib

Info

Publication number: CN216238123U
Application number: CN202122771534.2U
Authority: CN
Inventors: 俞琪; 姜松彪; 陈佳
Original assignee: Zhejiang Tunnel And Bridge Of China Waveform Steel Web Plate Co ltd
Current assignee: Zhejiang Tunnel And Bridge Of China Waveform Steel Web Plate Co ltd
Priority date: 2021-11-12
Filing date: 2021-11-12
Publication date: 2022-04-08
Anticipated expiration: 2031-11-12

Abstract

The utility model discloses an orthotropic steel bridge deck structure based on a pipe or a bar as a transverse rib lower edge, which comprises a fixed steel plate, wherein a screw rod is sleeved in an inner cavity thread of a steel cylinder, a hollow cone is symmetrically and fixedly sleeved on the surface of the screw rod, a tightening steel plate is symmetrically and fixedly connected with the surface of the steel cylinder, an inclined sliding groove is symmetrically and fixedly formed in the surface of a sliding steel plate, an inclined extrusion block is symmetrically and slidably sleeved in an inner cavity of the inclined sliding groove, a limiting sleeve plate is symmetrically and slidably sleeved on the surface of the inclined extrusion block, and a limiting hole is symmetrically and fixedly formed in the inner cavity of the inclined sliding groove. This orthotropic steel bridge deck structure based on tubular product or rod are cross rib lower edge has solved that U rib height and opening width are great, makes U stiffening rib and steel bridge deck's junction produce fatigue easily under long-term wheel rolling, leads to the junction to appear the crackle, leads to the reduction of life-span, leads to maintaining the problem of consolidating difficulty and expense are expensive.

Description

Orthotropic steel bridge deck structure based on pipe or bar serving as lower edge of transverse rib

Technical Field

The utility model relates to the technical field of buildings, in particular to an orthotropic steel bridge deck structure based on a pipe or a bar as a lower edge of a transverse rib.

Background

The orthotropic steel bridge deck is a structure which is formed by stiffening ribs (longitudinal ribs and transverse ribs) which are vertical to each other in the longitudinal direction and the transverse direction and a bridge deck cover plate and bears the load of wheels together. This structure is anisotropic in construction due to the difference in stiffness in two directions perpendicular to each other.

The orthotropic steel bridge deck can be divided into two types of opening and closing, but the orthotropic steel bridge deck is usually in a U-rib form in the closing, but due to the fact that the height and the width of the U-rib are large, the joint of the U-stiffening rib and the steel bridge deck is prone to fatigue under long-term wheel rolling, cracks occur in the joint, the service life is shortened, maintenance and reinforcement are difficult, and cost is high.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides an orthotropic steel bridge deck structure based on a pipe or a bar as the lower edge of a transverse rib, and solves the problems that the U rib is large in height and opening width, the joint of a U stiffening rib and a steel bridge deck is easy to generate fatigue under long-term wheel rolling, the joint is cracked, the service life is shortened, the maintenance and the reinforcement are difficult, and the cost is high.

In order to achieve the purpose, the utility model is realized by the following technical scheme: orthotropic steel bridge deck structure based on tubular product or rod are cross rib lower edge, including the steel bridge deck board, the bottom of steel bridge deck board is provided with a plurality of U stiffening rib, the symmetry is provided with fastener between a plurality of U stiffening rib and the steel bridge deck board.

The fastening device comprises a fixed steel plate, the bottom fixedly connected with steel cylinder of the fixed steel plate, the inner cavity screw thread of the steel cylinder has been cup jointed with the lead screw, the fixed hollow awl that has cup jointed of surface symmetry of lead screw, the surface symmetry fixedly connected with of steel cylinder has been tightened the batten, the inner cavity symmetry slip of steel cylinder has been cup jointed the slip steel sheet, the fixed slope spout that has seted up of surface symmetry of slip steel sheet, the inner cavity symmetry slip of slope spout has been cup jointed the slope extrusion piece, the surface symmetry slip of slope extrusion piece has been cup jointed spacing lagging, the fixed spacing hole of having seted up of inner cavity symmetry of slope spout.

The bottom of the inclined extrusion block is fixedly provided with a mounting hole, the inner cavity of the mounting hole is sleeved with a sliding rod in a sliding mode, and a spring is fixedly connected between the sliding rod and the mounting hole.

Preferably, the two ends of the U stiffening rib are symmetrically and fixedly connected with connecting steel plates, and the surface of the U stiffening rib is symmetrically and fixedly provided with through grooves.

Preferably, the one end of slip steel sheet and the surface of hollow awl are laminated each other, the surface of slip steel sheet runs through the inner chamber of clamping the lath to extend to outside one side of clamping the lath.

Preferably, the top of fixed steel sheet fixed connection is on the bottom of steel bridge deck slab, spacing sleeve board symmetry fixed connection is on the inner wall that leads to the groove.

Preferably, one end of the sliding steel plate is sleeved in an inner cavity of the through groove in a sliding mode, and the surface of the hollow cone is in contact with the inner cavity of the steel cylinder.

Preferably, the U-shaped stiffening rib is fixedly connected to the bottom of the steel bridge deck.

Advantageous effects

The utility model provides an orthotropic steel bridge deck structure taking a pipe or a bar as the lower edge of a transverse rib. Compared with the prior art, the method has the following beneficial effects:

1. the orthotropic steel bridge deck structure based on the pipe or the bar as the lower edge of the transverse rib comprises a U stiffening rib, a connecting steel plate, a fixed steel plate, a sliding steel plate, a slope extrusion block, a limiting sleeve plate, a lead screw, a hollow cone and a steel cylinder, wherein the U stiffening rib is fixedly welded at the bottom of the steel bridge deck through the connecting steel plate connected at two ends, the fixed steel plate is also welded at the bottom of the steel bridge deck, the bottom of one end of the sliding steel plate is slidably sleeved in an inner cavity of a through groove, the slope extrusion block is sleeved in an inner cavity of the limiting sleeve plate, the limiting sleeve plate is welded in the inner cavity of the through groove, the lead screw is directly rotated at last, the lead screw drives the hollow cone on the surface to move in the inner cavity of the steel cylinder, the extrusion sliding steel plate extends outwards, so that the top of the slope extrusion block tightly supports against the bottom of the connecting steel plate, the connection strength between the U stiffening rib and the steel bridge deck is enhanced, the problem that cracks are easily generated at the joint of the U stiffening rib and the steel bridge deck under the rolling of a wheel is solved, and the service life is prolonged, and the maintenance reinforcement and the cost are reduced.

2. This orthotropic steel bridge deck plate structure based on tubular product or rod are horizontal rib lower edge, when moving the port in spacing hole in slope spout inner chamber through slope extrusion piece, under the elasticity of spring, can drive the slide bar and stretch out downwards in the inner chamber of mounting hole, direct quick entering into the inner chamber in spacing hole, accomplish the best fastening position of slope extrusion piece, accomplish the spacing stroke in position, make slope extrusion piece can not stretch out and draw back, avoid slope extrusion piece fastening too tightly to make the stress too big fracture or slope extrusion piece fastening too loose effect that can't realize the support that leads to the fact.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a structural U stiffener and fastening device of the present invention;

FIG. 3 is a schematic view of a structural fastening device of the present invention;

FIG. 4 is an enlarged view of a portion of the structure of FIG. 3;

FIG. 5 is a cross-sectional view of a structural fastening device of the present invention;

FIG. 6 is a schematic view of the inclined extrusion block of the present invention.

In the figure: 1. a steel deck plate; 2. a U stiffener; 3. a fastening device; 31. fixing a steel plate; 32. sliding a steel plate; 33. tightening the steel bar plate; 34. a steel cylinder; 35. a screw rod; 36. an inclined chute; 37. inclining the extrusion block; 371. mounting holes; 372. a slide bar; 373. a spring; 38. a limiting sleeve plate; 39. a limiting hole; 310. a hollow cone; 4. a through groove; 5. and connecting the steel plates.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: orthotropic steel bridge deck structure based on tubular product or rod are cross rib lower edge, including steel bridge deck slab 1, steel bridge deck slab 1's bottom is provided with a plurality of U stiffening rib 2, and the symmetry is provided with fastener 3 between a plurality of U stiffening rib 2 and the steel bridge deck slab 1, and U stiffening rib 2's both ends symmetry fixedly connected with connecting plate 5, and U stiffening rib 2's fixed logical groove 4 of having seted up of surface symmetry, U stiffening rib 2 fixed connection is on steel bridge deck slab 1's bottom.

Referring to fig. 3-5, the fastening device 3 includes a fixed steel plate 31, a steel cylinder 34 is fixedly connected to the bottom of the fixed steel plate 31, a screw rod 35 is sleeved on the inner cavity of the steel cylinder 34 in a threaded manner, a hollow cone 310 is fixedly sleeved on the surface of the screw rod 35 in a symmetrical manner, a clamping steel plate 33 is fixedly connected to the surface of the steel cylinder 34 in a symmetrical manner, a sliding steel plate 32 is slidably sleeved on the inner cavity of the steel cylinder 34 in a symmetrical manner, an inclined sliding chute 36 is fixedly formed on the surface of the sliding steel plate 32 in a symmetrical manner, an inclined extrusion block 37 is slidably sleeved on the inner cavity of the inclined sliding chute 36 in a symmetrical manner, a limiting sleeve 38 is slidably sleeved on the surface of the inclined extrusion block 37 in a symmetrical manner, a limiting hole 39 is fixedly formed in the inner cavity of the inclined sliding chute 36 in a symmetrical manner, one end of the sliding steel plate 32 is attached to the surface of the hollow cone 310, the surface of the sliding steel plate 32 penetrates through the inner cavity of the clamping steel plate 33 and extends to the side of the clamping steel plate 33, the top of the fixed steel plate 31 is fixedly connected to the bottom of the steel bridge panel 1, the limiting sleeve plate 38 is symmetrically and fixedly connected to the inner wall of the through groove 4, one end of the sliding steel plate 32 is slidably sleeved in the inner cavity of the through groove 4, and the surface of the hollow cone 310 is in contact with the inner cavity of the steel cylinder 34.

Referring to fig. 6, a mounting hole 371 is fixedly formed at the bottom of the inclined extrusion block 37, a sliding rod 372 is slidably sleeved in an inner cavity of the mounting hole 371, and a spring 373 is fixedly connected between the sliding rod 372 and the mounting hole 371.

When in use, the U stiffening rib 2 is fixedly welded on the bottom of the steel bridge deck 1 through the connecting steel plate 5 connected with the two ends, then the fixed steel plate 31 is also welded on the bottom of the steel bridge deck 1 and is positioned at the central position of the U stiffening rib 2, and the sliding steel plate 32 is stretched at the same time, so that the bottom of one end of the sliding steel plate 32 is slidably sleeved in the inner cavity of the through groove 4, then the inclined extrusion block 37 is sleeved in the inner cavity of the limit sleeve plate 38, then the sliding rod 372 at the bottom of the inclined extrusion block 37 slides into the inner cavity of the through groove 4 along with the inner cavity of the inclined sliding groove 36, and the two ends of the limit sleeve plate 38 are aligned to the central position of the inner cavity of the through groove 4, and the limit sleeve plate 38 is welded in the inner cavity of the through groove 4, finally the screw rod 35 is directly rotated, so that the screw rod 35 drives the hollow cone 310 on the surface to move in the inner cavity of the steel cylinder 34, and the sliding steel plate 32 can be extruded to extend outwards along with the movement of the hollow cone 310, the inclined sliding groove 36 on the surface of the sliding steel plate 32 is made to move upwards in the inner cavity of the stop collar plate 38 along with the movement of the re-extrusion inclined extrusion block 37, so that the top of the inclined extrusion block 37 is tightly abutted against the bottom of the connecting steel plate 5.

In addition, when the inclined extrusion block 37 moves to the port of the limiting hole 39 in the inner cavity of the inclined sliding chute 36, under the elastic force of the spring 373, the sliding rod 372 can be driven to extend downwards in the inner cavity of the mounting hole 371, the sliding rod directly and quickly enters the inner cavity of the limiting hole 39, the best fastening position of the inclined extrusion block 37 is completed, the position limiting stroke is completed, the inclined extrusion block 37 cannot stretch out and draw back, and the phenomenon that the inclined extrusion block 37 is too tightly fastened to cause too large stress to break or the inclined extrusion block 37 is fastened too loosely to realize the supporting effect is avoided.

Further, wherein the top of logical groove 4 inner chamber is directly opened to 5 bottom of binding steel plate, realizes the state of intercommunication with binding steel plate 5 to and the one end of steel cylinder 34 sets up the deep groove with 35 first assorted of lead screw, rotates the back at lead screw 35, can make the lead screw 35 first enter into the deep groove, makes the lead screw 35 first and 34 parallel and level of steel cylinder.

And those not described in detail in this specification are well within the skill of those in the art.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Orthotropic steel bridge deck structure based on tubular product or rod are cross rib lower edge, including steel bridge deck board (1), the bottom of steel bridge deck board (1) is provided with a plurality of U stiffening rib (2), its characterized in that: fastening devices (3) are symmetrically arranged between the plurality of U stiffening ribs (2) and the steel bridge deck (1);

the fastening device (3) comprises a fixed steel plate (31), the bottom of the fixed steel plate (31) is fixedly connected with a steel cylinder (34), a screw rod (35) is sleeved on an inner cavity thread of the steel cylinder (34), hollow cones (310) are symmetrically and fixedly sleeved on the surface of the screw rod (35), a tightening steel plate (33) is symmetrically and fixedly connected on the surface of the steel cylinder (34), a sliding steel plate (32) is symmetrically and slidably sleeved on the inner cavity of the steel cylinder (34), inclined sliding grooves (36) are symmetrically and fixedly formed in the surface of the sliding steel plate (32), inclined extrusion blocks (37) are symmetrically and slidably sleeved on the inner cavity of the inclined sliding grooves (36), limiting sleeve plates (38) are symmetrically and slidably sleeved on the surface of the inclined extrusion blocks (37), and limiting holes (39) are symmetrically and fixedly formed in the inner cavity of the inclined sliding grooves (36);

the bottom of slope extrusion piece (37) is fixed and has been seted up mounting hole (371), sliding rod (372) have been cup jointed in the inner chamber slip of mounting hole (371), fixedly connected with spring (373) between sliding rod (372) and mounting hole (371).

2. The orthotropic steel decking structure based on pipes or bars as the lower edges of the cross ribs according to claim 1, wherein: the two ends of the U stiffening rib (2) are symmetrically and fixedly connected with connecting steel plates (5), and the surface of the U stiffening rib (2) is symmetrically and fixedly provided with through grooves (4).

3. The orthotropic steel decking structure based on pipes or bars as the lower edges of the cross ribs according to claim 1, wherein: the surface of the one end of slip steel sheet (32) and hollow awl (310) is laminated each other, the surface of slip steel sheet (32) runs through the inner chamber of clamping steel slat (33) to extend to outside one side of clamping steel slat (33).

4. The orthotropic steel decking structure based on pipes or bars as the lower edges of the cross ribs according to claim 1, wherein: the top fixed connection of fixed steel sheet (31) is on the bottom of steel bridge deck slab (1), spacing lagging plate (38) symmetry fixed connection is on the inner wall that leads to groove (4).

5. The orthotropic steel decking structure based on pipes or bars as the lower edges of the cross ribs according to claim 1, wherein: one end of the sliding steel plate (32) is sleeved in the inner cavity of the through groove (4) in a sliding mode, and the surface of the hollow cone (310) is in contact with the inner cavity of the steel cylinder (34).

6. The orthotropic steel decking structure based on pipes or bars as the lower edges of the cross ribs according to claim 2, wherein: the U-shaped stiffening ribs (2) are fixedly connected to the bottom of the steel bridge deck (1).