CN209854545U - Extension type modulus expansion device - Google Patents

Abstract

The utility model provides an extension type modulus expansion device, wherein the expansion device is arranged at the position of a highway bridge expansion joint, the expansion device comprises a plurality of sub expansion units which are connected by welding, and each sub expansion unit comprises a Chinese character 'wang' shaped middle beam and a displacement box; at the welding position, the king-shaped middle beams of the two adjacent sub-telescopic units are welded together and are welded to the supporting cross beam; and the Z-shaped edge beams of the two adjacent sub telescopic units are welded together with the Z-shaped edge beam and welded to the displacement box together. Extension type module telescoping device have the bearing capacity who promotes the welding department telescoping device, extension telescoping device's life's advantage.

Description

Extension type modulus expansion device

Technical Field

The utility model relates to a bridge engineering facility field, and in particular to extension type modulus telescoping device.

Background

With the rapid development of traffic transportation, the road traffic volume and the automobile load capacity are larger and larger, and the road construction is wider and wider, which puts higher requirements on various performances of the road bridge expansion device.

Due to the limited length of the transport vehicle, the telescopic device with the length exceeding 13.5 meters needs to be disconnected for transportation and then butted into the required length when being installed on site. The common expansion device is directly beveled on the profile steel during lengthening and is welded on site into a whole, and the welding position is often welded under the repeated action of vehicle load due to uneven welding level on site during installation, so that the expansion device is damaged too early, and the normal service life of the expansion device is seriously influenced.

Therefore, how to improve the carrying capacity of the telescopic device and prolong the service life is a technical problem to be solved urgently by the technical personnel in the field.

Disclosure of Invention

In order to solve at least part of the technical problems, the utility model provides an extension type modulus expansion device, wherein, the expansion device is arranged at the position of a highway bridge expansion joint, and the expansion device comprises a plurality of sub expansion units which are connected by welding; at the welding position, the king-shaped middle beams of the two adjacent sub-telescopic units are welded together and are welded to the supporting cross beam; and the Z-shaped edge beams of the two adjacent sub telescopic units are welded together with the Z-shaped edge beam and welded to the displacement box together.

In the above aspect, in the extension type modulus expansion device, the Z-shaped edge beam is disposed on the displacement box.

In the above scheme, in the extension type modulus expansion device, the expansion device further comprises a sealing strip arranged between the Z-shaped side beam and the Wang-shaped middle beam.

In the above-mentioned solution, in the extension type module telescoping device, the support beam is disposed inside the displacement box.

In the above scheme, in the extension type number expansion device, reinforcing ribs are arranged at the fixed connection positions of the Chinese character 'wang' shaped middle beam and the supporting cross beam.

In the above scheme, in the extension type module telescopic device, a support is arranged between the supporting beam and the inner wall of the displacement box.

In the above scheme, in the extension type module telescopic device, the support beam is provided with a limit block.

In the above aspect, in the elongated type modulus expansion device, the displacement box is rectangular or square.

In the above scheme, in the extension type modulus expansion device, the welding position of the king-shaped middle beam is provided with a groove.

Has the advantages that:

connect long section mould number telescoping device in, in butt joint position department, with the welding of roof beam in the king style of calligraphy of two adjacent sub-telescoping units together to further welding to supporting beam, simultaneously, with the welding of the Z style of calligraphy boundary beam of two adjacent sub-telescoping units together, and further welding to displacement box, promote the bearing capacity of welding department telescoping device, prolong telescoping device's life.

Drawings

Fig. 1 is a schematic view of a welding state of two sub-telescopic units in an extension type module telescopic device according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of a sub-telescopic unit of an elongated modular telescopic device according to one embodiment of the present invention.

Reference numerals:

the support structure comprises a support beam, a middle beam, a displacement box, a Z-shaped edge beam, a support beam, a limiting block, a reinforcing rib, a support and a sealing strip, wherein the middle beam is in a shape like the Chinese character ' wang ', the displacement box is 2, the edge beam is in a shape like the Z ', the support beam is 4, the limiting block is 41, the reinforcing rib is 5.

Detailed Description

Reference will now be made in detail to various exemplary embodiments of the invention, which should not be considered limiting of the invention, but rather should be understood to be a more detailed description of certain aspects, features and embodiments of the invention.

It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Further, to the extent that numerical ranges are recited in the present disclosure, it is understood that the upper and lower limits of the range, and each intervening value therebetween, is specifically disclosed. Every smaller range between any stated value or intervening value in a stated range and any other stated or intervening value in a stated range is also encompassed within the invention. The upper and lower limits of these smaller ranges may independently be included or excluded in the range.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Although only the preferred methods and materials are described in this disclosure, any methods and materials similar or equivalent to those described herein can be used in the practice or testing of the present disclosure. All documents mentioned in this specification are incorporated by reference herein for the purpose of disclosing and describing the methods and/or materials associated with the documents. In case of conflict with any incorporated document, the present specification will control.

It will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present disclosure without departing from the scope or spirit of the disclosure. The specification and examples are exemplary only.

As used herein, the terms "comprising," "including," "having," "containing," and the like are open-ended terms that mean including, but not limited to.

As used herein, "and/or" includes any and all combinations of the stated items.

The present invention will be further described with reference to the following detailed description and accompanying drawings.

As shown in fig. 1 to 2, the utility model provides an extension type modular expansion device, wherein the expansion device is arranged at the position of the expansion joint of a highway bridge, and the expansion device comprises a plurality of sub expansion units which are connected by welding;

at the welding position, the wang-shaped middle beams 1 and 1 of two adjacent sub-telescopic units are welded together and welded to the supporting cross beam 4; and the Z-shaped edge beams 3 of the adjacent two sub telescopic units are welded together with the Z-shaped edge beams 3 and welded to the displacement box 2.

In order to facilitate transportation, the telescopic device is divided into a plurality of sub telescopic units, the sub telescopic units are respectively transported to a construction site, and the sub telescopic units are welded into the telescopic device at the construction site. When welding in the construction place, with two wang style of calligraphy well roof beam 1 welding on two adjacent sub-expansion unit together, two welding king style of calligraphy well roof beams 1 further weld to supporting beam 4 together, two adjacent Z style of calligraphy boundary beams 3 welding of two sub-expansion unit 1 are in the same place, two welding Z style of calligraphy boundary beams 3 further weld to displacement case 2 together, improve the bearing capacity of two sub-expansion unit of welding department, extension telescoping device's life.

In the above scheme, the Z-shaped edge beam 4 is arranged on the displacement box 2.

Z-shaped boundary beams 3 are fixed on the displacement box 2, and two Z-shaped boundary beams 3 are arranged on two sides of the Wang-shaped middle beam 1 in the width direction of the sub telescopic unit. On the construction site, two Z-shaped boundary beams 3 of two adjacent sub-telescopic units are welded together, so that the bearing capacity of the telescopic device is ensured.

In the above solution, the supporting beam 4 is disposed inside the displacement box 2. On the construction site, two Z-shaped boundary beams 3 of two adjacent sub-telescopic units 1 are welded together, so that the bearing capacity of the telescopic device is ensured.

In the scheme, the Chinese character 'wang' shaped middle beam 1 is fixed on the supporting cross beam 4.

In the scheme, reinforcing ribs 5 are arranged at the fixed connection positions of the Chinese character 'wang' shaped middle beam 1 and the supporting cross beam 4. The reinforcing ribs 5 are used for reinforcing the connection between the Chinese character 'wang' shaped middle beam 1 and the supporting cross beam 4.

In the above scheme, the supporting beam 4 is provided with the limiting block 41.

In the above scheme, a support 6 is arranged between the supporting beam 4 and the inner wall of the displacement box 2.

The existence of the support 6 enables a friction pair to exist between the supporting beam 4 and the inner wall of the displacement box 2, and simultaneously, the supporting beam 4 and the support 6 are allowed to generate relative displacement.

When a vehicle passes through the expansion joint, after the expansion device is stressed, the force is transmitted to the support 6 through the Z-shaped edge beam 3 and then transmitted to the supporting beam and the bottom plate of the displacement box 2; when the load of the Chinese character 'wang' shaped middle beam 1 is stressed, the force is transmitted to the supporting cross beam 4 through the Chinese character 'wang' shaped middle beam 1 and then transmitted to the support 6 and the bottom plate of the displacement box 2. The supporting beam 4 is a cuboid, and when temperature difference changes and displaces, the supporting beam 4 slides left and right through the sliding surface of the support 6.

In the above scheme, wherein, displacement case 2 is cuboid or square.

In the scheme, the telescopic device further comprises a sealing belt 7 arranged between the Z-shaped edge beam 3 and the Wang-shaped middle beam 1. The sealing tape 7 prevents dust or rainwater, etc. from entering the sub-telescopic unit.

In the scheme, the welding position of the Chinese character 'wang' shaped middle beam 1 is provided with a groove. The groove is convenient for welding.

It will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present disclosure without departing from the scope or spirit of the disclosure. Other embodiments will be apparent to those skilled in the art from consideration of the specification. The specification and examples are exemplary only.

Claims (9)

1. An extension type modulus expansion device is arranged at an expansion joint of a highway bridge and comprises a plurality of sub expansion units which are connected in a welding manner;

at the welding position, the Chinese character 'wang' shaped middle beams (1) and the Chinese character 'wang' shaped middle beams (1) of the two adjacent sub-telescopic units are welded together and are welded to the supporting cross beam (4); and the Z-shaped edge beams (3) of the two adjacent sub telescopic units are welded together with the Z-shaped edge beam (3) and welded to the displacement box (2).

2. An elongated form factor extension device according to claim 1, wherein the Z-shaped edge beam (3) is arranged on the displacement box (2).

3. An elongated form expansion device according to claim 2, further comprising a sealing strip (7) arranged between said Z-shaped edge beam (3) and said wang-shaped centre beam (1).

4. An elongated form factor retractor according to claim 1, wherein the support beam (4) is arranged inside the displacement box (2).

5. An extension type number expansion device according to claim 4, wherein a reinforcing rib (5) is arranged at the fixed connection part of the Chinese character 'wang' shaped centre sill (1) and the supporting cross beam (4).

6. An elongated form factor extension device according to claim 5, wherein a seat (6) is provided between the support beam (4) and the inner wall of the displacement box (2).

7. An elongated form factor extension device according to claim 6, wherein a stop block (41) is provided on the support beam (4).

8. An elongated form factor retractor device according to claim 1, wherein the displacement box (2) is cuboid or cube in shape.

9. An elongated form factor extension device according to claim 1, wherein the king-shaped centre sill (1) is provided with a bevel at the welding location.