CN112502040A

CN112502040A - Bridge deck and cross beam connecting device free of hole opening

Info

Publication number: CN112502040A
Application number: CN202011211279.XA
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: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-03-16
Anticipated expiration: 2040-11-03
Also published as: CN112502040B

Abstract

The invention discloses a connection device of a bridge deck and a cross beam without opening holes, which is used for connecting the bridge deck to the cross beam, wherein the cross beam is I-shaped steel, and is characterized in that: the bridge deck comprises a first clamping hook, a second clamping hook and a base connected to the bottom of a bridge deck, wherein a first lower extension part and a second lower extension part are respectively arranged at two ends of the base; when the base is connected to the I-beam, the end part of the first jackscrew drives the first clamping hook to be connected with one side of the I-beam, and the end part of the third jackscrew drives the second clamping hook to be connected with one side of the I-beam. The invention can avoid punching on the cross beam and avoid the damage of the cross beam caused by punching, and meanwhile, the structure of the first clamping hook and the second clamping hook and the connection mode of the first clamping hook and the second clamping hook and the base can supplement the defects in installation and manufacture within a certain range, so that the two clamping hooks can be reliably connected with the I-shaped steel.

Description

Bridge deck and cross beam connecting device free of hole opening

Technical Field

The invention relates to the technical field of assembled bridges, in particular to a connecting device of a bridge deck and a cross beam without holes.

Background

The assembled bridge is usually a steel deck slab, and the deck slab and the cross beam are usually connected by conventional bolts, which, although reliable, has the drawback that holes need to be drilled in the cross beam, which reduces the strength of the cross beam to some extent. Furthermore, once the bridge holes and the bridge deck mounting holes are machined, the relative positions of the bridge deck and the cross beams are difficult to adjust (because the gaps between the bolts and the mounting holes are small), so if the mounting precision between the bridge decks and the cross beams needs to be improved, the machining efficiency of the cross beams with large size is reduced.

Disclosure of Invention

In order to solve the defects in the prior art, the invention provides a connection device of a bridge deck and a cross beam without holes, and solves the technical problem that the cross beam needs to be punched in the installation of an assembly type bridge in the prior art.

In order to achieve the above purpose, the invention adopts the following technical scheme:

the utility model provides a exempt from decking, crossbeam connecting device of trompil for connect the decking in the crossbeam, the crossbeam is the I-steel, its characterized in that: the bridge deck comprises a first clamping hook, a second clamping hook and a base connected to the bottom of a bridge deck, wherein a first lower extension part and a second lower extension part are respectively arranged at two ends of the base;

when the base is connected to the I-beam, the end part of the first jackscrew drives the first clamping hook to be connected with one side of the I-beam, and the end part of the third jackscrew drives the second clamping hook to be connected with one side of the I-beam.

As a preferred embodiment of the present invention, the above-mentioned opening-free bridge deck and beam connecting device: the end part of the lower extension part I is also provided with a bending part inclining towards the direction of the I-shaped steel, and the bending part is connected with a jackscrew II through threads.

As a preferred embodiment of the present invention, the above-mentioned opening-free bridge deck and beam connecting device: the first clamping hook is slidably connected to the waist-shaped hole through the rectangular block.

As a preferred embodiment of the present invention, the above-mentioned opening-free bridge deck and beam connecting device: the end part of the second clamping hook is also provided with a guide section bent to a position far away from the I-shaped steel.

As a preferred embodiment of the present invention, the above-mentioned opening-free bridge deck and beam connecting device: the I-steel connecting surface of the second clamping hook is an arc section, and an anti-disengaging hook is arranged between the arc section and the guide section.

As a preferred embodiment of the present invention, the above-mentioned opening-free bridge deck and beam connecting device: still including setting up in the bottom plate of I-steel bottom, lower extension one, lower extension two all still articulate there is the pull rod, and the pull rod is connected in the both ends of bottom plate.

As a preferred embodiment of the present invention, the above-mentioned opening-free bridge deck and beam connecting device: the two ends of the bottom plate are connected with the pull rod through open grooves.

As a preferred embodiment of the present invention, the above-mentioned opening-free bridge deck and beam connecting device: the I-steel connecting surface of the bottom plate is also provided with bottom plate stop dogs, and when the bottom plate is connected to the bottom of the I-steel, the bottom plate stop dogs are respectively connected to two sides of the I-steel.

As a preferred embodiment of the present invention, the above-mentioned opening-free bridge deck and beam connecting device: the base is connected to the bridge deck through countersunk bolts, and the bridge deck is further connected to two ends of the base through bridge deck limiting blocks. The invention achieves the following beneficial effects:

compared with the prior art, the invention can avoid punching on the cross beam and the damage of the cross beam caused by punching, and simultaneously, the structure of the first clamping hook and the second clamping hook and the connection mode of the first clamping hook and the second clamping hook and the base can supplement the defects in installation and manufacture within a certain range, so that the two clamping hooks can be reliably connected with the I-shaped steel. The reliability of the connection is further improved by the two pull rods.

Drawings

FIG. 1 is a cross-sectional view of the overall construction of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;

FIG. 3 is a top view of the base plate of the present invention;

FIG. 4 is a front view of the first hook;

the meaning of the reference numerals: 1-a bridge deck; 2-a base; 3-I-steel; 4-top thread I; 5-a second top thread; 6-trip one; 7-hook II; 8-a pull rod; 9-a bottom plate; 10-top thread three; 11-a bridge deck stop block; 21-kidney shaped hole; 23-countersunk head bolts; 24-lower extension one; 25-bending part; 26-lower extension two; 61-rectangular block; 71-a guide section; 72-unhooking prevention; 73-arc segment; 91-open slots; 92-floor block.

Detailed Description

The invention is further described below 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.

As shown in fig. 1: the embodiment discloses a drilling-free bridge deck and beam connecting device, which is used for connecting a bridge deck to a beam, wherein the beam is an I-shaped steel 3. On the basis, this embodiment specifically includes trip one 6, trip two 7 and connects in the base 2 of decking 1 bottom, and the both ends of base 2 are equipped with lower extension one 24, lower extension two 26 respectively, and base 2 is equipped with the waist type hole 21 that is on a parallel with decking 1, and trip one 6 articulates in waist type hole 21, and trip two 7 articulates in base 2, and lower extension one 24 passes through threaded connection in jackscrew one 4, and lower extension two 26 passes through threaded connection in jackscrew three 10.

When the base 2 is connected to the I-beam 3, the end part of the first jackscrew 4 drives the first hook 6 to be connected with one side of the I-beam 3, and the end part of the third jackscrew 10 drives the second hook 7 to be connected with the other side of the I-beam 3.

In order to further fix the first clamping hook 6 and improve the connection reliability, the end of the first lower extension part 24 of the embodiment is further provided with a bending part 25 inclining towards the direction of the I-shaped steel 3, and the bending part 25 is connected with the second jackscrew 5 through threads. The best results are achieved with a bending angle of the bending portion 25 in relation to the lower extension portion 24 of between 30 and 35 degrees.

With reference to fig. 1, 2 and 4: in order to avoid the too large swing amplitude of the first hook 6 relative to the hinge point thereof, the first hook 6 of the present embodiment is slidably connected to the kidney-shaped hole 21 through the rectangular block 61.

In order to ensure that the second hook 7 can smoothly clamp the edge of the i-steel 3, the end of the second hook 7 of the embodiment is further provided with a guide section 71 which is bent away from the i-steel 3.

Furthermore, the I-steel 3 connecting surface of the second hook 7 is an arc section 73, and an anti-drop hook 72 is further arranged between the arc section 73 and the guide section 71.

In order to further improve the reliability of the connection between the bridge deck 1 and the i-steel 3, the present embodiment further includes a bottom plate 9 disposed at the bottom of the i-steel 3, the first lower extension 24 and the second lower extension 26 are both hinged with a pull rod 8, and the pull rod 8 is connected to two ends of the bottom plate 9.

As shown in fig. 3: both ends of the bottom plate 9 are connected to the pull rod 8 through the open grooves 91, so that the pull rod 8 is connected with the bottom plate 9 conveniently. In this embodiment, a bottom plate stopper 92 is further disposed on the i-beam 3 connecting surface of the bottom plate 9, and when the bottom plate 9 is connected to the bottom of the i-beam 3, the bottom plate stoppers 92 are respectively connected to two sides of the i-beam 3. The bottom plate stopper 92 is used for preventing the bottom plate 9 from being separated from the i-steel 3.

The base 2 of this embodiment is connected to the decking 1 through countersunk head bolt 23, and the decking 1 is still connected to the both ends of base 2 through bridge floor stopper 11.

During installation, the base 2 can be installed at the bottom of the bridge deck plate 1 through the countersunk head bolt 23 before the bridge deck plate 1 is assembled, then the first jackscrew 4, the second jackscrew 5 and the third jackscrew 10 are rotated, the first clamping hook 6 and the second clamping hook 7 are clamped at two sides of the I-shaped steel 3, the first clamping hook 6 can slide relative to the base 2, and the second clamping hook 7 is connected with the I-shaped steel 3 through the arc section 73, so that errors of the installation position of the base 2 and other aspects can be met within a certain range, and the first clamping hook 6 and the second clamping hook 7 can be reliably connected with the I-shaped steel 3. Because the force applied by the jackscrew II 5 to the clamping hook I6 is inclined upwards, the connecting force between the base 2 and the I-shaped steel 3 can be improved.

Moreover, the pull rods 8 arranged on the two sides of the I-shaped steel 3 can further improve the connection reliability.

Compared with the prior art, this embodiment can avoid punching on the crossbeam, avoids because of the crossbeam damage that punches and bring, simultaneously, the structure of this embodiment trip one 6, trip two 7 and with base 2's connected mode can complement the defect in installation and manufacturing in the certain limit, make two trips reliably connect I-steel 3. The two tie rods 8 further improve the reliability of the connection.

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

Claims

1. The utility model provides a exempt from decking, crossbeam connecting device of trompil for connect the decking in the crossbeam, the crossbeam is I-steel (3), its characterized in that: the bridge deck structure is characterized by comprising a first clamping hook (6), a second clamping hook (7) and a base (2) connected to the bottom of a bridge deck (1), wherein the two ends of the base (2) are respectively provided with a first lower extension (24) and a second lower extension (26), the base (2) is provided with a waist-shaped hole (21) parallel to the bridge deck (1), the first clamping hook (6) is hinged to the waist-shaped hole (21), the second clamping hook (7) is hinged to the base (2), the first lower extension (24) is connected to a first jackscrew (4) through threads, and the second lower extension (26) is connected to a third jackscrew (10) through threads;

when the base (2) is connected to the I-beam (3), the end part of the first jackscrew (4) drives the first clamping hook (6) to be connected with one side of the I-beam (3), and the end part of the third jackscrew (10) drives the second clamping hook (7) to be connected with one side of the I-beam (3).

2. The opening-free bridge deck and beam connecting device of claim 1, wherein: the end part of the lower extension part I (24) is also provided with a bending part (25) inclining towards the direction of the I-shaped steel (3), and the bending part (25) is connected with the jackscrew II (5) through threads.

3. The opening-free bridge deck and beam connecting device of claim 1, wherein: the first clamping hook (6) is connected to the waist-shaped hole (21) in a sliding mode through the rectangular block (61).

4. The opening-free bridge deck and beam connecting device of claim 1, wherein: the end part of the second clamping hook (7) is also provided with a guide section (71) which is bent to a position far away from the I-shaped steel (3).

5. The opening-free bridge deck and beam connecting device as claimed in claim 4, wherein: the I-steel (3) connecting surface of the second clamping hook (7) is an arc section (73), and an anti-disengaging hook (72) is further arranged between the arc section (73) and the guide section (71).

6. The opening-free bridge deck and beam connecting device of claim 1, wherein: still including setting up in bottom plate (9) of I-steel (3) bottom, lower extension (24), lower extension two (26) all still articulate there is pull rod (8), pull rod (8) are connected in the both ends of bottom plate (9).

7. The opening-free bridge deck and beam connecting device of claim 6, wherein: the two ends of the bottom plate (9) are connected to the pull rod (8) through the open grooves (91).

8. The opening-free bridge deck and beam connecting device of claim 6, wherein: the connecting surface of the I-shaped steel (3) of the bottom plate (9) is also provided with bottom plate stop blocks (92), and when the bottom plate (9) is connected to the bottom of the I-shaped steel (3), the bottom plate stop blocks (92) are respectively connected to two sides of the I-shaped steel (3).

9. The opening-free bridge deck and beam connecting device of claim 1, wherein: the bridge deck is characterized in that the base (2) is connected to the bridge deck (1) through a countersunk bolt (23), and the bridge deck (1) is further connected to two ends of the base (2) through a bridge deck limiting block (11).