CN219564838U - Assembled rigid contact net conversion support - Google Patents
Assembled rigid contact net conversion support Download PDFInfo
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- CN219564838U CN219564838U CN202320240310.5U CN202320240310U CN219564838U CN 219564838 U CN219564838 U CN 219564838U CN 202320240310 U CN202320240310 U CN 202320240310U CN 219564838 U CN219564838 U CN 219564838U
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- bottom plate
- supporting leg
- fixedly connected
- assembled rigid
- hoop
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Abstract
The utility model belongs to the technical field of installation of rigid contact networks in tunnels, and provides an assembled rigid contact network conversion bracket which comprises a transverse strut, two longitudinal struts, at least two left support legs and at least two right support legs; the left top plate is fixedly arranged at the top end of the left supporting leg and is connected with the left embedded anchor bolt of the inner wall of the tunnel, the bottom end of the left supporting leg is fixedly provided with a left annular structure, the top end of the right supporting leg is fixedly provided with a right top plate which is connected with the right embedded anchor bolt of the inner wall of the tunnel, and the bottom end of the right supporting leg is fixedly provided with a right annular structure; the left side longitudinal support posts are simultaneously inserted into left annular structures at the bottom ends of the two left support legs, and the right side longitudinal support posts are simultaneously inserted into right annular structures at the bottom ends of the two right support legs; the transverse struts are fixedly connected with the bottom ends of the two longitudinal struts at the same time. After the conversion bracket is additionally arranged, the installation requirements of the contact net under different working conditions can be met.
Description
Technical Field
The utility model belongs to the technical field of installation of rigid contact networks in tunnels, and particularly relates to an assembled rigid contact network conversion bracket.
Background
Along with the rapid development of cities, a passing tool with higher speed needs to be built, so that the subway travelling speed is faster and faster, and the diameter of the underground tunnel is larger and larger. However, the clearance heights of different working conditions in the underground tunnel are different, and the pre-buried sliding groove spacing or the anchor bolt implantation spacing is also possibly different, so that the existing rigid contact net installation mode cannot meet the actual installation requirement, and therefore a safe and reliable conversion bracket convenient to install is required to be additionally arranged to meet the installation requirement of the contact net under different clearance heights.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides an assembled rigid contact net conversion bracket, which can meet the contact net installation requirements of different working conditions after the conversion bracket is additionally arranged on the inner wall of a tunnel.
In order to achieve the above purpose, the utility model adopts the following technical scheme: an assembled rigid contact net conversion bracket comprises a transverse strut, two longitudinal struts, at least two left supporting legs and at least two right supporting legs;
the left top plate is fixedly arranged at the top end of the left supporting leg and is connected with the left embedded anchor bolt of the inner wall of the tunnel, the bottom end of the left supporting leg is fixedly provided with a left annular structure, the top end of the right supporting leg is fixedly provided with a right top plate which is connected with the right embedded anchor bolt of the inner wall of the tunnel, and the bottom end of the right supporting leg is fixedly provided with a right annular structure;
the left side longitudinal support posts are simultaneously inserted into left annular structures at the bottom ends of the two left support legs, and the right side longitudinal support posts are simultaneously inserted into right annular structures at the bottom ends of the two right support legs;
the transverse struts are fixedly connected with the bottom ends of the two longitudinal struts at the same time.
Preferably, the left annular structure comprises a left bottom plate and a left hoop, wherein the left bottom plate is fixedly connected with the bottom end of the left supporting leg, and the left hoop is fixedly connected with the left bottom plate.
Preferably, the left hoop is fixedly connected with the left bottom plate through bolts.
Preferably, the left bottom plate is welded and fixed with the left supporting leg.
Preferably, the right annular structure comprises a right bottom plate and a right hoop, wherein the right bottom plate is fixedly connected with the bottom end of the right supporting leg, and the right hoop is fixedly connected with the right bottom plate.
Preferably, the right hoop is fixedly connected with the right bottom plate through bolts.
Preferably, the right bottom plate is welded and fixed with the right supporting leg.
Preferably, the left top plate is an arc plate.
Preferably, the right top plate is an arc plate.
Preferably, the transverse strut is fixedly connected with the longitudinal strut by a bolt.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the assembled rigid contact net conversion bracket provided by the utility model, the left and right support legs are connected with the inner wall of the tunnel, and then the transverse support posts are connected with the B-shaped angle steel of the rigid contact net, so that a reliable framework is provided for converting the structure height of the contact net. The left supporting leg and the right supporting leg can be arranged in different lengths according to different tunnel clearance heights so as to meet the installation requirements of different clearance heights. The conversion support adopts an assembly mode, can adjust the distance between the front supporting leg and the rear supporting leg, can meet the installation requirements of different embedded chute pitches or different anchor bolt implantation pitches, reduces the precision requirement on the previous procedure, and has wide application range.
2. The left top plate and the right top plate of the assembled rigid contact net conversion bracket provided by the utility model are of arc-shaped design, can be tightly attached to the inner wall of an arc-shaped tunnel, and can increase the stress area and improve the stability.
Drawings
Fig. 1 is a schematic perspective view of an assembled rigid contact net conversion bracket according to an embodiment of the present utility model;
fig. 2 is a schematic front structural view of an assembled rigid contact net conversion bracket according to an embodiment of the present utility model;
fig. 3 is a schematic perspective view of a relevant portion of a right leg of an assembled rigid contact net conversion bracket according to an embodiment of the present utility model.
In the drawings, the list of components represented by the various numbers is as follows:
1. a transverse strut; 2. a longitudinal strut; 3. a left leg; 4. a right leg; 301. a left top plate; 302. a left annular structure; 303. a left bottom plate; 304. a left hoop; 401. a right top plate; 402. a right annular structure; 403. a right bottom plate; 404. and a right hoop.
Detailed Description
The present utility model will be described in further detail with reference to specific examples so as to more clearly understand the present utility model by those skilled in the art.
It should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, unless otherwise specifically indicated and defined. The specific meaning of such terms in this patent will be understood by those of ordinary skill in the art as the case may be.
As shown in fig. 1-2, the present embodiment provides an assembled rigid catenary switching support, which comprises a transverse strut 1, two longitudinal struts 2, at least two left legs 3, and at least two right legs 4;
the top end of the left supporting leg 3 is fixedly provided with a left top plate 301 used for being connected with a left embedded anchor bolt (or a reserved chute) of the inner wall of a tunnel, the bottom end of the left supporting leg 3 is fixedly provided with a left annular structure 302, the top end of the right supporting leg 4 is fixedly provided with a right top plate 401 used for being connected with a right embedded anchor bolt (or a reserved chute) of the inner wall of the tunnel, and the bottom end of the right supporting leg 4 is fixedly provided with a right annular structure 402;
the left side longitudinal support column 2 is simultaneously inserted into the left annular structures 302 at the bottom ends of the two left support legs 3, and the right side longitudinal support column 2 is simultaneously inserted into the right annular structures 402 at the bottom ends of the two right support legs 4;
the transverse strut 1 is fixedly connected with the bottom ends of the two longitudinal struts 2 at the same time.
In this embodiment, according to the headroom in the tunnel, select the suitable length left leg 3 with right leg 4, then adjust two adjacent the interval of left leg 3, two adjacent the interval of right leg 4 for the interval of preceding back adjacent leg equals with the interval of two pre-buried crab-bolts of tunnel inner wall, can carry out the equipment of conversion support, horizontal pillar 1 below can adopt the horse race groove design, is convenient for adjust the interval with the connecting piece of below.
The two left support legs 3 are fixedly connected with the left embedded bolts (or reserved sliding grooves) of the two tunnel inner walls respectively, and the two right support legs 4 are fixedly connected with the right embedded bolts (or reserved sliding grooves) of the two tunnel inner walls respectively, so that the conversion support is fixed. And then the transverse strut 1 is connected with the rigid contact net B-shaped angle steel (contact net structure) through a square head screw rod with a certain length, so that a reliable framework is provided for converting and increasing the height of the contact net structure. The square head screw rod can be reserved in the horse race groove at the lower part of the transverse strut 1 before being installed.
Therefore, the conversion support provided by the embodiment can meet the installation requirements of different headroom heights, and the use requirements of different pre-buried chute intervals or different anchor bolt implantation intervals, so that the precision requirement on the previous working procedure is reduced, and the application range is wide.
In this embodiment, the left ring structure 302 may include a left bottom plate 303 and a left hoop 304, where the left bottom plate 303 is fixedly connected to the bottom end of the left leg 3, and the left hoop 304 is fixedly connected to the left bottom plate 303.
The arrangement is that the left hoop 304 and the left bottom plate 303 form an annular structure together, the left side of the longitudinal support column 2 can slide in the annular structure, and when the longitudinal support column is installed, sliding adjustment can be performed at any time, so that the use requirements of different embedded chute intervals or different anchor bolt implantation intervals can be met.
The left hoop 304 and the left bottom plate 303 may be fixedly connected by bolts. The bolt structure can comprise two nuts, a flat gasket and a lock washer, and can be connected by adopting an assembled bolt, so that the connection reliability of the bolt structure can be enhanced, and the bolt fixing mode is convenient to detach or assemble at any time.
The left bottom plate 303 is welded and fixed with the left supporting leg 3. The welding and fixing mode is simple and the structure is firm.
In this embodiment, as shown in fig. 3, the right ring structure 402 may include a right bottom plate 403 and a right hoop 404, where the right bottom plate 403 is fixedly connected to the bottom end of the right leg 4, and the right hoop 404 is fixedly connected to the right bottom plate 403.
Similarly, the right hoop 404 and the right bottom plate 403 together form an annular structure, the right side of the longitudinal support column 2 can slide in the annular structure, and when the longitudinal support column is installed, sliding adjustment can be performed at any time, so that the use requirements of different embedded chute intervals or different anchor bolt implantation intervals can be met.
The right hoop 404 is fixedly connected with the right bottom plate 403 through bolts.
The right hoop 404 and the right bottom plate 403 may be fixedly connected by bolts. The bolt structure can comprise two nuts, a flat gasket and a lock washer, and the connection reliability can be enhanced by adopting assembled bolt connection. And the mode of bolt fixing is convenient to disassemble or assemble at any time.
The right bottom plate 403 is welded and fixed with the right leg 4. The welding and fixing mode is simple and the structure is firm.
In this embodiment, the left top plate 301 may be an arc plate. The right top plate 401 may be an arc plate. The arc plate structure can closely laminate with circular tunnel inner wall, increases the atress area, improves stability.
In this embodiment, the transverse strut 1 and the longitudinal strut 2 are fixedly connected by a bolt. Adopts bolt fixation, has simple structure and is convenient to disassemble or assemble at any time.
Mechanisms, components, and members not described in the specific structure of the present utility model are all existing structures already existing in the prior art. Can be purchased directly from the market.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "left," "right," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience of description and for simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, as well as a specific orientation configuration and operation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
The foregoing is merely a preferred embodiment of the present utility model, and is not intended to limit the scope of the present utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. The assembled rigid contact net conversion bracket is characterized by comprising a transverse strut (1), two longitudinal struts (2), at least two left supporting legs (3) and at least two right supporting legs (4);
the left top plate (301) used for being connected with the embedded anchor bolt on the left side of the inner wall of the tunnel is fixedly arranged at the top end of the left supporting leg (3), the left annular structure (302) is fixedly arranged at the bottom end of the left supporting leg (3), the right top plate (401) used for being connected with the embedded anchor bolt on the right side of the inner wall of the tunnel is fixedly arranged at the top end of the right supporting leg (4), and the right annular structure (402) is fixedly arranged at the bottom end of the right supporting leg (4);
the left side longitudinal support posts (2) are simultaneously inserted into left annular structures (302) at the bottom ends of the two left support legs (3), and the right side longitudinal support posts (2) are simultaneously inserted into right annular structures (402) at the bottom ends of the two right support legs (4);
the transverse struts (1) are fixedly connected with the bottom ends of the two longitudinal struts (2) at the same time.
2. The assembled rigid catenary switching bracket according to claim 1, wherein the left ring structure (302) comprises a left bottom plate (303) and a left hoop (304), the left bottom plate (303) is fixedly connected with the bottom end of the left supporting leg (3), and the left hoop (304) is fixedly connected with the left bottom plate (303).
3. An assembled rigid catenary transition support according to claim 2, wherein the left hoop (304) is fixedly connected to the left bottom plate (303) by bolts.
4. An assembled rigid catenary transition support according to claim 2, wherein the left bottom plate (303) is welded to the left leg (3).
5. An assembled rigid contact net conversion support according to claim 1, wherein the right annular structure (402) comprises a right bottom plate (403) and a right hoop (404), the right bottom plate (403) is fixedly connected with the bottom end of the right supporting leg (4), and the right hoop (404) is fixedly connected with the right bottom plate (403).
6. The modular rigid catenary transition support according to claim 5, wherein the right hoop (404) is fixedly connected to the right bottom plate (403) by bolts.
7. An assembled rigid catenary transition support according to claim 5, wherein the right bottom plate (403) is welded to the right leg (4).
8. An assembled rigid catenary transition support according to claim 1, wherein the left top plate (301) is an arcuate plate.
9. An assembled rigid catenary transition support according to claim 1, wherein the right top plate (401) is an arc-shaped plate.
10. An assembled rigid catenary transition support according to claim 1, characterized in that the transverse strut (1) and the longitudinal strut (2) are fixedly connected by means of bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320240310.5U CN219564838U (en) | 2023-02-13 | 2023-02-13 | Assembled rigid contact net conversion support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320240310.5U CN219564838U (en) | 2023-02-13 | 2023-02-13 | Assembled rigid contact net conversion support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219564838U true CN219564838U (en) | 2023-08-22 |
Family
ID=87649206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320240310.5U Active CN219564838U (en) | 2023-02-13 | 2023-02-13 | Assembled rigid contact net conversion support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219564838U (en) |
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2023
- 2023-02-13 CN CN202320240310.5U patent/CN219564838U/en active Active
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