CN215329341U - Large-displacement replaceable multidirectional displacement modular expansion device - Google Patents
Large-displacement replaceable multidirectional displacement modular expansion device Download PDFInfo
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- CN215329341U CN215329341U CN202121166265.0U CN202121166265U CN215329341U CN 215329341 U CN215329341 U CN 215329341U CN 202121166265 U CN202121166265 U CN 202121166265U CN 215329341 U CN215329341 U CN 215329341U
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Abstract
The utility model discloses a large-displacement replaceable multidirectional displacement modulus type telescopic device which comprises support boxes on the left side and the right side and support beams arranged in the support boxes, wherein the support beams are arranged in the support boxes through spherical fixed pressure-bearing supports, the upper end surfaces of the support beams are also provided with a plurality of spherical sliding pressure-bearing supports which are arranged at intervals, the spherical sliding pressure-bearing supports on the two sides at the most are provided with edge beams, and the edge beams on the two sides are respectively connected and arranged with the upper ends of the support boxes on the two sides. The expansion joint device simplifies the mounting structure of the supporting beam, in the device, a transverse supporting beam is mounted in the supporting box, and all the middle beams can share one supporting beam, thereby simplifying the mounting structure, saving the space and ensuring that the applicable range of the product reaches 240-2800 mm.
Description
Technical Field
The utility model relates to the technical field of expansion joint equipment, in particular to a large-displacement replaceable multidirectional displacement modular expansion device.
Background
Bridge expansion joints are the main components affecting the durability, driving safety and comfort of bridges; in the grid type modulus expansion device in the prior art, the structural design is that a support beam is welded at the lower end of each intermediate beam, and each support beam needs to be installed in a corresponding space, so that an installation system of the support beam is complex, the structure is huge, and the grid type modulus expansion device is difficult to apply to an expansion joint product with the thickness of more than 640 mm.
And the installation problem of a supporting beam has been solved through the structure of straight beam type modulus expansion joint in the other kind of current, but has increased a set of new displacement control system in addition, and this displacement control system's structure is also comparatively complicated, and its fault rate is high enough, leads to the maintenance cost to increase.
The two expansion joint equipment structures only have the horizontal displacement function, are difficult to adapt to the displacement requirements of the bridge in the transverse displacement and vertical displacement directions, and do not have the full servo multidirectional displacement performance.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a large-displacement replaceable multidirectional displacement 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 large-displacement replaceable multidirectional displacement modulus type telescopic device comprises support boxes on the left side and the right side and support beams arranged in the support boxes, wherein the support beams are arranged in the support boxes through spherical fixed pressure-bearing supports; and sealing rubber strips are arranged between the edge beams positioned at the two sides and the adjacent middle beam respectively.
Furthermore, a plurality of spherical sliding pressure-bearing supports which are arranged at intervals are also arranged at the lower end of the supporting beam, and lifting hooks are correspondingly arranged on the lower end surface of each spherical sliding pressure-bearing support; the lifting hook vertically extends downwards.
Furthermore, the middle beam is correspondingly arranged into an I-beam structure; and the spacing between adjacent intermediate beams is set to 50 mm.
Furthermore, both sides of each middle beam are provided with mounting grooves, and both sides of the sealing rubber strip are correspondingly fixed in the mounting grooves.
Furthermore, the boundary beam is L-shaped, the upper end of the boundary beam is also provided with a mounting groove, one end of the sealing rubber strip positioned at the side edge is fixed in the mounting groove positioned at the boundary beam, and the other end of the sealing rubber strip is correspondingly mounted in the mounting groove of the adjacent middle beam.
Furthermore, the boundary beam is arranged on the spherical sliding pressure bearing support through a support piece.
Has the advantages that: compared with the prior art, the utility model has the following advantages:
(1) the expansion joint device simplifies the mounting structure of the supporting beam, a transverse supporting beam is mounted in the supporting box, and all the middle beams can share one supporting beam, so that the mounting structure is simplified, the space is saved, and the applicable range of the product reaches 240-2800 mm;
(2) the middle beams on the same supporting beam are arranged through spherical sliding bearing supports, sealing rubber strips are correspondingly arranged between the adjacent middle beams, and the distance between the middle beams can be displaced through the arrangement of the spherical sliding bearing supports, so that the size of an expansion joint can be correspondingly adjusted, and the capability of adapting to the displacement of the expansion joint in multiple directions is realized;
(3) in the device, the boundary beams on two sides and two supporting beams on the front side and the rear side form a set of four-side rod mechanism, the size of a slit of the expansion joint can be controlled through an included angle formed by the placement of the two adjacent supporting beams, the expansion joint can be ensured to move freely in a plurality of displacement directions, and meanwhile, the width of the slit between each telescopic unit is ensured to be equal;
(4) the supporting beam is correspondingly installed in the supporting box through the spherical fixed bearing support, one end of the supporting beam can be installed through the spherical fixed bearing support, the other end of the supporting beam can be movably connected, the spherical fixed bearing support can swing in the horizontal direction and the vertical direction, the upper end of the supporting beam can horizontally slide and rotate at multiple angles through the installation of the spherical sliding bearing support, the other end of the supporting beam can also relatively slide and rotate at multiple angles in the supporting box, and the full-servo multidirectional displacement performance of an expansion joint is realized.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a plan view of the present invention
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 and 2, the large-displacement replaceable multidirectional displacement modular expansion device comprises a support box 1 on the left side and a support beam 2 installed in the support box 1, wherein the support beam 2 is installed in the support box 1 through a spherical fixed bearing support 3, and spherical sliding bearing supports 4 are correspondingly installed at the upper end and the lower end of the support beam 2.
The upper end surfaces of the supporting beams 2 are provided with a plurality of spherical sliding pressure-bearing supports 4 which are arranged at intervals, wherein the spherical sliding pressure-bearing supports 4 at the two sides are provided with edge beams 5, the edge beams 5 are L-shaped, the edge beams 5 at the two sides are respectively installed in a joint way with the upper end surfaces of the supporting boxes 1 at the two sides, the spherical sliding pressure-bearing supports 4 at the inner sides are provided with middle beams 6, the middle beams 6 are correspondingly arranged into an I-beam structure, and the distance between the adjacent middle beams 6 is 50 mm; the upper end surfaces of all the middle beams 6 are flush, and sealing rubber strips 7 are correspondingly arranged between the adjacent middle beams 6; and sealing rubber strips 7 are respectively arranged between the edge beams 5 positioned at two sides and the adjacent middle beam 6.
The lower end of the supporting beam 2 is also provided with a plurality of spherical sliding bearing supports 4 which are arranged at intervals, and the lower end surfaces of the spherical sliding bearing supports 4 are correspondingly provided with lifting hooks 8; the hook 8 extends vertically downwards; and both sides of each intermediate beam 6 are also provided with mounting grooves 9, and both sides of the sealing rubber strip 7 are correspondingly fixed in the mounting grooves 9. The upper end of the boundary beam 5 is also provided with an installation groove 9, one end of the sealing rubber strip 7 positioned at the side edge is fixed in the installation groove 9 at the boundary beam 5, and the other end is correspondingly installed in the installation groove 9 of the adjacent middle beam 6; the edge beam 5 is arranged on the spherical sliding bearing support 4 through a support piece 10.
The expansion joint device simplifies the mounting structure of the supporting beam, in the device, a transverse supporting beam is mounted in the supporting box, and all the middle beams can share one supporting beam, thereby simplifying the mounting structure, saving the space and ensuring that the applicable range of the product reaches 240-2800 mm.
The middle beams on the same supporting beam are arranged through spherical sliding bearing supports, sealing rubber strips are correspondingly arranged between the adjacent middle beams, and the middle beams can be displaced through the installation of the spherical sliding bearing supports, so that the size of the expansion joint can be correspondingly adjusted, and the expansion joint can adapt to the capability of multi-direction displacement of the expansion joint.
The boundary beams on two sides and the two supporting beams on the front side and the rear side form a set of four-side rod mechanism, the size of the seam of the expansion joint is controlled by the included angle formed by the two adjacent supporting beams, the expansion joint is ensured to freely move in a plurality of displacement directions, and the width of the seam between each telescopic unit is ensured to be equal.
The supporting beam is correspondingly installed in the supporting box through the spherical fixed bearing support, one end of the supporting beam can be installed through the spherical fixed bearing support, the other end of the supporting beam can be movably connected, the spherical fixed bearing support can swing in the horizontal direction and the vertical direction, the upper end of the supporting beam can horizontally slide and rotate at multiple angles through the installation of the spherical sliding bearing support, the other end of the supporting beam can also relatively slide and rotate at multiple angles in the supporting box, and the full-servo multidirectional displacement performance of an expansion joint is realized.
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 removable multidirectional modulus formula telescoping device that shifts of large displacement which characterized in that: the supporting box comprises supporting boxes (1) on the left side and the right side and supporting beams (2) installed in the supporting boxes (1), wherein the supporting beams (2) are installed in the supporting boxes (1) through spherical fixed pressure-bearing supports (3), the upper end faces of the supporting beams (2) are also provided with a plurality of spherical sliding pressure-bearing supports (4) which are arranged at intervals, edge beams (5) are installed on the spherical sliding pressure-bearing supports (4) on the two sides, the edge beams (5) on the two sides are respectively installed in a contact mode with the upper end faces of the supporting boxes (1) on the two sides, middle beams (6) are installed on the spherical sliding pressure-bearing supports (4) on the inner side, the upper end faces of all the middle beams (6) are flush, and sealing rubber strips (7) are correspondingly installed between the adjacent middle beams (6); and sealing rubber strips (7) are respectively arranged between the edge beams (5) positioned at two sides and the adjacent middle beam (6).
2. The large displacement replaceable multidirectional displacement modular expansion device of claim 1, wherein: the lower end of the supporting beam (2) is also provided with a plurality of spherical sliding pressure-bearing supports (4) which are arranged at intervals, and the lower end surfaces of the spherical sliding pressure-bearing supports (4) are correspondingly provided with lifting hooks (8); the lifting hook (8) vertically extends downwards.
3. The large displacement replaceable multidirectional displacement modular expansion device of claim 1, wherein: the middle beam (6) is correspondingly arranged into an I-beam structure; and the distance between the adjacent intermediate beams (6) is set to be 50 mm.
4. The large displacement replaceable multidirectional displacement modular expansion device of claim 3, wherein: both sides of each middle beam (6) are also provided with mounting grooves (9), and both sides of the sealing rubber strips (7) are correspondingly fixed in the mounting grooves (9).
5. The large displacement replaceable multidirectional displacement modular expansion device of claim 4, wherein: boundary beam (5) set up to L shape, just boundary beam (5) upper end be provided with mounting groove (9) equally, be located joint strip (7) one end of side department and fix in mounting groove (9) of boundary beam (5) department, the opposite side then corresponding installation is in mounting groove (9) of adjacent intermediate beam (6).
6. The large displacement replaceable multidirectional displacement modular expansion device of claim 1, wherein: the boundary beam (5) is arranged on the spherical sliding pressure-bearing support (4) through a support piece (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121166265.0U CN215329341U (en) | 2021-05-28 | 2021-05-28 | Large-displacement replaceable multidirectional displacement modular expansion device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121166265.0U CN215329341U (en) | 2021-05-28 | 2021-05-28 | Large-displacement replaceable multidirectional displacement modular expansion device |
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| CN215329341U true CN215329341U (en) | 2021-12-28 |
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| CN202121166265.0U Active CN215329341U (en) | 2021-05-28 | 2021-05-28 | Large-displacement replaceable multidirectional displacement modular expansion device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114232471A (en) * | 2022-01-19 | 2022-03-25 | 贵州省交通规划勘察设计研究院股份有限公司 | Assembly modular expansion device |
| CN114753244A (en) * | 2022-03-25 | 2022-07-15 | 江苏平山交通设施有限公司 | Interim permanent components of a whole that can function independently festival section assembled modulus telescoping device that changes |
-
2021
- 2021-05-28 CN CN202121166265.0U patent/CN215329341U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114232471A (en) * | 2022-01-19 | 2022-03-25 | 贵州省交通规划勘察设计研究院股份有限公司 | Assembly modular expansion device |
| CN114753244A (en) * | 2022-03-25 | 2022-07-15 | 江苏平山交通设施有限公司 | Interim permanent components of a whole that can function independently festival section assembled modulus telescoping device that changes |
| CN114753244B (en) * | 2022-03-25 | 2024-01-26 | 江苏平山交通设施有限公司 | Temporary-to-permanent split segment assembly type modulus telescoping device |
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