CN215976825U - Anti-reverse-jumping modular expansion device - Google Patents
Anti-reverse-jumping modular expansion device Download PDFInfo
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- CN215976825U CN215976825U CN202121685222.3U CN202121685222U CN215976825U CN 215976825 U CN215976825 U CN 215976825U CN 202121685222 U CN202121685222 U CN 202121685222U CN 215976825 U CN215976825 U CN 215976825U
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Abstract
The utility model discloses an anti-reverse-bounce modular expansion device, which comprises a plurality of correspondingly spliced middle beam steels and edge beam steels arranged on two sides of the middle beam steels, wherein a rubber sealing strip is also arranged between the middle beam steels and the edge beam steels on the two sides; and the lower end of the middle beam steel is also provided with a fixture structure, and the fixture structure is arranged at the joint position of two adjacent middle beam steels to simultaneously clamp the two adjacent middle beam steels. The device has better durability and an anti-bounce function, and the L-shaped shear-resistant high-strength bolt of the fixture structure in the device hooks the lower edge of the middle beam steel in a hook mode to achieve the displacement limitation of forming an upper pull-down clamp on the broken deformed steel, thereby realizing the anti-bounce purpose of the broken deformed steel and adapting to the displacement change generated by the compression of the telescopic device; and the device can adapt to modulus type telescopic devices with various telescopic quantities.
Description
Technical Field
The utility model relates to the technical field of expansion joint equipment, in particular to an anti-reverse-jumping modular expansion device.
Background
At present, a modular expansion device for a highway bridge is basically composed of middle beam steel, side beam steel, a cross beam, a rubber sealing belt, a displacement control box and the like. The general technical conditions in the telescopic device industry stipulate that the materials of the profiled bars should be Q335, Q345 and Q355 grade steel from the aspects of mechanical property, quality requirement and the like, and some descriptions for allowing splicing and lengthening are made for the profiled bars exceeding a certain length. However, in the actual use process, the material quality of the deformed steel is often not up to the standard; the special-shaped steel is unqualified in splicing and welding quality; the concrete cavity at the lower part of the side deformed steel causes uneven stress on the section steel.
The anchor ring used by the side profiled steel in the telescopic device is too small and is not firmly connected with the embedded part, so that the force can not be effectively transferred; the problems of fatigue and the like caused by the long-term use and low tolerance of the section steel cause the section steel to jump out of or sink from the notch, thereby causing traffic accidents and severe social influence.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an anti-reverse-jump modular expansion device aiming at the defects in the prior art.
The technical scheme is as follows: the technical scheme adopted by the utility model for solving the problems is as follows: a digital expansion device for preventing reverse-bounce comprises a plurality of middle beam steels which are correspondingly spliced and edge beam steels arranged on two sides of the middle beam steels, wherein a rubber sealing belt is also arranged between the middle beam steels and the edge beam steels on the two sides; and the lower end of the middle beam steel is also provided with a fixture structure, and the fixture structure is arranged at the joint position of two adjacent middle beam steels to simultaneously clamp the two adjacent middle beam steels.
The fixture structure comprises a reinforced connecting frame body fixedly arranged below the middle beam steel, L-shaped shear-resistant high-strength bolts are correspondingly arranged on two sides of the reinforced connecting frame body, the upper ends of the L-shaped shear-resistant high-strength bolts transversely extend inwards to correspondingly clamp the lower edge of the middle beam steel, pressure-bearing springs are further arranged on the reinforced connecting frame body, and the middle beam steel correspondingly presses the pressure-bearing springs.
Furthermore, the two sides of the upper end of the middle beam steel and the inner sides of the side beam steels on the two sides are provided with mounting grooves, and the rubber sealing belts are correspondingly arranged in the mounting grooves.
Furthermore, the reinforced connecting frame body is a square frame body, and the square frame body is formed by four reinforced connecting plates through a mounting assembly.
Furthermore, an L-shaped shear-resistant high-strength bolt is correspondingly installed at the four corners of each reinforced connecting frame body through an installation assembly, the four L-shaped shear-resistant high-strength bolts are paired in pairs and correspondingly clamped at the lower edges of two adjacent middle beam steels.
Furthermore, the reinforced connecting frame body is further provided with two spring positioning piles, the pressure-bearing spring is installed on the spring positioning piles, and the pressure-bearing spring is arranged in the middle of the reinforced connecting frame body and correspondingly arranged in the middle of the lower end face of the middle beam steel.
Furthermore, the whole fixture structure is made of Q235 materials, and the middle beam steel is I-shaped steel; and the side beam steels arranged on the two sides are correspondingly provided with anchor ring anchoring components.
Has the advantages that: compared with the prior art, the utility model has the following advantages:
(1) the device is light in overall structure, the fixture structure is integrally made of round steel or steel plates made of common Q235 materials, the fixture structure is arranged at the joint of every two adjacent middle beam steels, the two middle beam steels can be clamped, the number of the fixture structures is limited for the overall structure of the telescopic device, and the overall increased weight is small;
(2) the device has higher cost performance, the shape of the whole clamp structure is simple, the manufacture is easy, and because the middle beam steel, the side beam steel and the like can be manufactured by adopting Q235, the anchor ring on the side beam steel or the residual leftover materials of the anchor plate can be used for production, the waste materials can be recycled, and the cost is saved; the device can be produced in a factory in a quantitative mode and assembled in a standardized mode, is installed in a quantitative mode according to user requirements, avoids waste, and is worthy of popularization and good in social benefit;
(3) the device has better durability and an anti-bounce function, and the L-shaped shear-resistant high-strength bolt of the fixture structure in the device hooks the lower edge of the middle beam steel in a hook mode to achieve the displacement limitation of forming an upper pull-down clamp on the broken deformed steel, thereby realizing the anti-bounce purpose of the broken deformed steel and adapting to the displacement change generated by the compression of the telescopic device; and the device can adapt to modulus type telescopic devices with various telescopic quantities.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a perspective view of the present invention;
FIG. 3 is a view of the structure of the reinforced connection frame;
fig. 4 is a structure view of an L-shaped shear high-strength bolt.
Detailed Description
The present invention will be further illustrated with reference to the accompanying drawings and specific examples, which are carried out on the premise of the technical solution of the present invention, and it should be understood that these examples are only for illustrating the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1 to 4, an anti-bounce modular expansion device comprises a plurality of middle beam steels 1 which are correspondingly spliced, and edge beam steels 2 arranged on two sides of the middle beam steel 1, wherein a rubber sealing belt 3 is further arranged between the middle beam steel 1 and the edge beam steels 2 on the two sides; and the lower end of the middle beam steel 1 is also provided with a fixture structure which is arranged at the position of the joint 101 of two adjacent middle beam steels 1 and clamps the two adjacent middle beam steels 1 simultaneously.
This device overall structure is lighter, and the fixture structure wholly adopts the round steel or the steel sheet preparation of ordinary Q235 material, and the fixture structure is installed at the seam crossing of per two adjacent well roof beam steels, not only can be solid with two well roof beam steels card, has restricted the quantity of fixture structure to telescoping device overall structure moreover, and the weight of whole increase is very little.
The fixture structure is including fixed setting up the strenghthened type connection framework 4 in 1 below the well roof beam steel, and L type shear high strength bolt 5 is all correspondingly installed to the both sides of this strenghthened type connection framework 4, and corresponding card is transversely stretched out to the inboard lower edge department at well roof beam steel 1 in the upper end of this L type shear high strength bolt 5, and still installs pressure-bearing spring 6 on the strenghthened type connection framework 4, and well roof beam steel 1 then correspondingly presses on pressure-bearing spring 6.
The device has better durability and an anti-bounce function, and the L-shaped shear-resistant high-strength bolt of the fixture structure in the device hooks the lower edge of the middle beam steel in a hook mode to achieve the displacement limitation of forming an upper pull-down clamp on the broken deformed steel, thereby realizing the anti-bounce purpose of the broken deformed steel and adapting to the displacement change generated by the compression of the telescopic device; and the device can adapt to modulus type telescopic devices with various telescopic quantities.
Four corners of each reinforced connecting frame body 4 are correspondingly provided with an L-shaped shear-resistant high-strength bolt 5 through a mounting assembly 9, and the four L-shaped shear-resistant high-strength bolts 5 are paired in pairs and correspondingly clamped at the lower edges of two adjacent middle beam steels 1.
The reinforced connecting frame body 4 is further provided with two spring positioning piles 10, the pressure-bearing spring 6 is installed on the spring positioning piles 10, and the pressure-bearing spring 6 is arranged at the middle position of the reinforced connecting frame body 4 and correspondingly arranged at the middle position of the lower end face of the middle beam steel 1.
The whole structure of the fixture is made of Q235 materials, and the middle beam steel 1 is made into I-shaped steel; and the edge beam steel 2 arranged on the two sides is correspondingly provided with an anchor ring anchoring component 11.
The device has higher cost performance, the shape of the whole clamp structure is simple, the manufacture is easy, and because the middle beam steel, the side beam steel and the like can be manufactured by adopting Q235, the anchor ring on the side beam steel or the residual leftover materials of the anchor plate can be used for production, the waste materials can be recycled, and the cost is saved; the device can be produced in a factory in a quantitative mode and assembled in a standardized mode, is installed in a quantitative mode according to user requirements, avoids waste, and is worthy of popularization and good in social benefit;
the above-mentioned embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the utility model and the appended claims, and all equivalent changes and modifications made within the spirit and scope of the utility model as claimed should be included in the appended claims.
Claims (6)
1. The utility model provides a prevent mode digital telescoping device that jumps which characterized in that: the steel frame comprises a plurality of correspondingly spliced middle beam steels (1) and side beam steels (2) arranged on two sides of the middle beam steels (1), wherein rubber sealing belts (3) are further arranged between the middle beam steels (1) and the side beam steels (2) on the two sides; the lower end of the middle beam steel (1) is also provided with a fixture structure, and the fixture structure is arranged at the position of a joint (101) of two adjacent middle beam steels (1) to simultaneously clamp the two adjacent middle beam steels (1);
the fixture structure comprises a reinforced connecting frame body (4) fixedly arranged below the middle beam steel (1), L-shaped shear-resistant high-strength bolts (5) are correspondingly installed on two sides of the reinforced connecting frame body (4), the upper ends of the L-shaped shear-resistant high-strength bolts (5) transversely extend inwards to correspondingly clamp the lower edge of the middle beam steel (1), pressure-bearing springs (6) are further installed on the reinforced connecting frame body (4), and the middle beam steel (1) correspondingly presses the pressure-bearing springs (6).
2. An anti-bounce modular expansion device according to claim 1, characterized in that: the inner sides of the two sides of the upper end of the middle beam steel (1) and the two sides of the side beam steel (2) are respectively provided with a mounting groove (7), and the rubber sealing strip (3) is correspondingly arranged in the mounting grooves (7).
3. An anti-bounce modular expansion device according to claim 1, characterized in that: the reinforced connecting frame body (4) is a square frame body, and the square frame body is formed by four reinforced connecting plates (8) through a mounting assembly (9).
4. An anti-bounce modular expansion device according to claim 3, characterized in that: the four corners of each reinforced connecting frame body (4) are correspondingly provided with an L-shaped shear-resistant high-strength bolt (5) through a mounting assembly (9), and the four L-shaped shear-resistant high-strength bolts (5) are paired in pairs and correspondingly clamped at the lower edges of two adjacent middle beam steels (1).
5. An anti-bounce modular expansion device according to claim 3, characterized in that: the reinforced connecting frame body (4) is further provided with two spring positioning piles (10), the pressure-bearing spring (6) is installed on the spring positioning piles (10), and the pressure-bearing spring (6) is arranged in the middle of the reinforced connecting frame body (4) and correspondingly arranged in the middle of the lower end face of the middle beam steel (1).
6. An anti-bounce modular expansion device according to claim 1, characterized in that: the whole structure of the fixture is made of Q235 materials, and the middle beam steel (1) is made into I-shaped steel; and the side beam steels (2) arranged at the two sides are correspondingly provided with anchor ring anchoring components (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121685222.3U CN215976825U (en) | 2021-07-23 | 2021-07-23 | Anti-reverse-jumping modular expansion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121685222.3U CN215976825U (en) | 2021-07-23 | 2021-07-23 | Anti-reverse-jumping modular expansion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215976825U true CN215976825U (en) | 2022-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121685222.3U Active CN215976825U (en) | 2021-07-23 | 2021-07-23 | Anti-reverse-jumping modular expansion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215976825U (en) |
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2021
- 2021-07-23 CN CN202121685222.3U patent/CN215976825U/en active Active
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