CN219654715U - Roadway steel pipe concrete combined support bracket - Google Patents
Roadway steel pipe concrete combined support bracket Download PDFInfo
- Publication number
- CN219654715U CN219654715U CN202321141294.0U CN202321141294U CN219654715U CN 219654715 U CN219654715 U CN 219654715U CN 202321141294 U CN202321141294 U CN 202321141294U CN 219654715 U CN219654715 U CN 219654715U
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- support
- butt joint
- roadway
- wall
- main body
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 31
- 239000010959 steel Substances 0.000 title claims abstract description 31
- 210000001503 joint Anatomy 0.000 claims abstract description 30
- 239000002131 composite material Substances 0.000 claims description 7
- 239000011241 protective layer Substances 0.000 claims description 6
- 230000008719 thickening Effects 0.000 claims description 6
- 230000004308 accommodation Effects 0.000 claims description 2
- 238000003032 molecular docking Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model discloses a tunnel steel pipe concrete combined support bracket, which relates to the technical field of support brackets and comprises a support structure, wherein connecting pieces are movably connected to two ends of the support structure, a support base is movably connected to the other ends of the connecting pieces, the support structure comprises a bracket main body, an extension supporting rod and a butt joint protruding block, the butt joint protruding block is fixedly arranged on the outer wall of the bracket main body, one end of the bracket main body is movably connected with one end of the extension supporting rod through the butt joint protruding block and the connecting pieces, the butt joint protruding block is additionally arranged on the outer wall of the bracket main body, and a single connecting piece is used at the joint of the bracket main body and other structures.
Description
Technical Field
The utility model relates to the technical field of supporting brackets, in particular to a roadway steel tube concrete combined supporting bracket.
Background
The steel pipe concrete combined support is a high-strength support structure and is used for supporting soft rock roadways, in particular to an unstable section of conventional support.
In the prior art, as disclosed in chinese patent CN216446937U, a steel core concrete column-section steel combined door type bracket for roadway is composed of a steel core concrete column, a longitudinal connecting rod and section steel, wherein: the steel tube concrete columns are fixed on the roadway bottom plate, a row of steel tube concrete columns are respectively arranged on the left side and the right side of the section of the roadway along the longitudinal direction of the roadway, and the steel tube concrete columns support the roadway side supporting structure or directly support the surrounding rock of the roadway side; the longitudinal connecting rod is connected with two adjacent steel tube concrete columns in the same row; the two ends of the section steel are connected and fixed at the top ends of the steel pipe concrete columns at the two sides through detachable connectors, and the section steel supports a roadway roof supporting structure or directly supports roadway roof surrounding rocks.
In the prior art, each support bracket generally adopts a simpler screw connection mode when in butt joint, and the mode is convenient to use, but screw holes are required to be formed in the surface of the support bracket during actual operation, and the screw holes are troublesome in the surface of the metal material, and the original structural strength of the support bracket can be influenced if the operation is improper.
Disclosure of Invention
The utility model aims to solve the problems that screw bolts in the prior art are connected to the surface of a support bracket in actual operation, the screw bolts are troublesome to open on the surface of a metal material, and the original structural strength of the support bracket can be influenced if the operation is improper, and provides a tunnel steel pipe concrete combined support bracket.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the roadway steel tube concrete combined support comprises a support structure, wherein two ends of the support structure are movably connected with connecting pieces, and the other ends of the connecting pieces are movably connected with support bases;
the support structure comprises a support main body, an extension supporting rod and a butt joint convex block, wherein the butt joint convex block is fixedly arranged on the outer wall of the support main body, and one end of the support main body is movably connected with one end of the extension supporting rod through the butt joint convex block and a connecting piece;
the connecting piece comprises an arc-shaped limiting ring, a spherical cavity is formed in the inner wall of the arc-shaped limiting ring, and the butt joint protruding block is clamped in the spherical cavity in the arc-shaped limiting ring.
Preferably, the other end of the extension supporting rod is fixedly connected with a docking frame, and a positioning clamping groove is formed in the docking frame.
Preferably, threaded holes are formed in two sides of the arc-shaped limiting ring, and the arc-shaped limiting ring is lapped on the outer wall of the butt joint lug.
Preferably, the inside of extension branch has seted up the accommodation groove, set up the spacing groove on the outer wall of support main part.
Preferably, a thickened protective layer is fixedly connected to the bottom of the support main body, and a switching frame is sleeved on the outer wall of the thickened protective layer.
Preferably, the internal thread of switching frame is connected with the threaded rod, threaded connection has stop nut on the outer wall of threaded rod.
Preferably, one side of the limit nut is lapped on one side of the transfer frame.
Compared with the prior art, the utility model has the advantages and positive effects that:
1. according to the utility model, the butt joint convex blocks are additionally arranged on the outer wall of the bracket main body, and the independent connecting piece is used at the joint of the bracket main body and other structures, and the connecting piece accommodates the butt joint convex blocks through the spherical cavity, so that the connection stability of the bracket main body and other objects can be ensured, and meanwhile, the connecting piece is connected without arranging screw holes on the surface of the bracket main body, thereby being beneficial to protecting the structural strength of the bracket main body and avoiding affecting the subsequent normal use as much as possible.
2. According to the utility model, the positions of the two switching frames are changed through the cooperation of the limit nuts and the threaded rods, so that the purpose of changing the two supporting structures is achieved, the positions of the supporting structures are convenient to adjust by operators, and meanwhile, the positioning clamping grooves in the switching frames are convenient to butt against other structures.
Drawings
Fig. 1 is a schematic diagram of a three-dimensional structure of a roadway concrete filled steel tube combined support bracket according to the present utility model;
fig. 2 is a schematic perspective view of a supporting structure of a roadway steel pipe concrete combined supporting bracket according to the present utility model;
fig. 3 is a schematic diagram showing a connection structure between a bracket main body and a connecting piece of a roadway steel pipe concrete composite support bracket;
fig. 4 is an enlarged schematic view of the structure of the portion a in fig. 1 according to the present utility model.
Legend description:
1. a support structure; 2. a connecting piece; 3. a support base;
11. a holder main body; 12. an extension strut; 13. a docking frame; 14. positioning clamping grooves; 15. an accommodating groove; 16. a limit groove; 17. butting the convex blocks; 18. a transfer frame; 19. a threaded rod; 110. a limit nut; 111. thickening the protective layer;
21. an arc-shaped limiting ring; 22. a spherical cavity; 23. and (3) a threaded hole.
Detailed Description
In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.
Example 1
As shown in fig. 1, fig. 2 and fig. 3, the utility model provides a roadway concrete filled steel tube combined support bracket, which comprises a support structure 1, wherein two ends of the support structure 1 are movably connected with a connecting piece 2, the other end of the connecting piece 2 is movably connected with a support base 3, the support structure 1 comprises a bracket main body 11, an extension supporting rod 12 and a butt joint convex block 17, the butt joint convex block 17 is fixedly arranged on the outer wall of the bracket main body 11, one end of the bracket main body 11 is movably connected with one end of the extension supporting rod 12 through the butt joint convex block 17 and the connecting piece 2, the connecting piece 2 comprises an arc-shaped limiting ring 21, a spherical cavity 22 is formed in the inner wall of the arc-shaped limiting ring 21, the butt joint convex block 17 is clamped in the spherical cavity 22 in the arc-shaped limiting ring 21, threaded holes 23 are formed in two sides of the arc-shaped limiting ring 21, and the arc-shaped limiting ring 21 is lapped on the outer wall of the butt joint convex block 17.
The following details the specific arrangement and action of this embodiment, the supporting structure 1 is mainly composed of a plurality of support bodies 11 and extension struts 12, the connecting piece 2 is installed at the connection position between the support body 11 and the extension struts 12 and the connection position between the support body 11 and the support base 3, the butt joint protruding block 17 is arranged at the end of the support body 11 and the end of the extension struts 12, when the connecting piece 2 is butt-jointed, the butt joint protruding block 17 is put into the spherical cavity 22 in the two arc-shaped limiting rings 21, then the screw rod is put into the threaded hole 23 of the arc-shaped limiting rings 21 to fix the connecting piece 2, the effect of limiting the butt joint protruding block 17 can be achieved, the assembling difficulty of the supporting structure 1 can be avoided, the connecting piece 2 is used for fixing the extension struts 12 and the support body 11, the connecting stability of the support body 11 and other objects can be guaranteed, the problem of screw holes are also avoided being formed in the surface of the support body 11, the structure strength of the support body 11 is protected, and the subsequent normal use is avoided being influenced as far as possible.
Example two
As shown in fig. 2 and fig. 4, the other end of the extension supporting rod 12 is fixedly connected with a docking frame 13, a positioning clamping groove 14 is formed in the docking frame 13, a containing groove 15 is formed in the extension supporting rod 12, a limit groove 16 is formed in the outer wall of the support main body 11, a thickening protection layer 111 is fixedly connected to the bottom of the support main body 11, a transit frame 18 is sleeved on the outer wall of the thickening protection layer 111, a threaded rod 19 is connected to the internal thread of the transit frame 18, a limit nut 110 is connected to the outer wall of the threaded rod 19 in a threaded manner, and one side of the limit nut 110 is lapped on one side of the transit frame 18.
The effect that its whole embodiment reached is, extend branch 12 can dock other objects through docking frame 13, the existence of location draw-in groove 14 can carry out effectual spacing to this object, and can be used for installing tubular object such as steel pipe in the holding groove 15, thereby further promote the protection effect of supporting the support, and when needs adjustment supporting structure 1 position, can rotate stop nut 110, make stop nut 110 remove on threaded rod 19, thereby promote switching frame 18 and thickening protective layer 111 and remove, thereby reach the purpose that changes two supporting structure 1 positions, the convenient operating personnel adjusts supporting structure 1's position.
The application method and the working principle of the device are as follows: when the support is used, the butt joint protruding blocks 17 at the end of the support main body 11 are clamped into the spherical cavities 22 in the arc-shaped limiting rings 21, the extension supporting rods 12 and the support base 3 are installed in the arc-shaped limiting rings 21 in the same mode, then the threaded holes 23 are internally provided with screws to connect the two arc-shaped limiting rings 21 together, the assembly of the connecting piece 2 is completed, the limiting of the support main body 11 is realized, the positioning clamping grooves 14 of the butt joint frame 13 can be used for butt joint other objects, the accommodating grooves 15 can be used for installing tubular objects such as steel pipes, and finally when the position of the support structure 1 needs to be adjusted, the limiting nuts 110 can be rotated to enable the limiting nuts 110 to move on the threaded rods 19, so that the transfer frame 18 and the thickened protection layer 111 are pushed to move, and the purpose of changing the positions of the two support structures 1 is achieved.
The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.
Claims (7)
1. A roadway steel pipe concrete combined support bracket is characterized in that: the support structure comprises a support structure (1), wherein two ends of the support structure (1) are movably connected with connecting pieces (2), and the other ends of the connecting pieces (2) are movably connected with a support base (3);
the support structure (1) comprises a support main body (11), an extension supporting rod (12) and a butt joint protruding block (17), wherein the butt joint protruding block (17) is fixedly arranged on the outer wall of the support main body (11), and one end of the support main body (11) is movably connected with one end of the extension supporting rod (12) through the butt joint protruding block (17) and a connecting piece (2) which are arranged;
the connecting piece (2) comprises an arc-shaped limiting ring (21), a spherical cavity (22) is formed in the inner wall of the arc-shaped limiting ring (21), and the butt joint protruding blocks (17) are clamped in the spherical cavity (22) in the arc-shaped limiting ring (21).
2. The roadway steel tube concrete composite support bracket of claim 1, wherein: the other end of the extension supporting rod (12) is fixedly connected with a butt joint frame (13), and a positioning clamping groove (14) is formed in the butt joint frame (13).
3. The roadway steel tube concrete composite support bracket of claim 1, wherein: screw holes (23) are formed in two sides of the arc-shaped limiting ring (21), and the arc-shaped limiting ring (21) is lapped on the outer wall of the butt joint lug (17).
4. The roadway steel tube concrete composite support bracket of claim 1, wherein: the inside of extension branch (12) has seted up accommodation groove (15), limit groove (16) have been seted up on the outer wall of support main part (11).
5. The roadway steel tube concrete composite support bracket of claim 1, wherein: the bottom of support main part (11) fixedly connected with thickening protective layer (111), connect switching frame (18) on thickening protective layer (111) outer wall.
6. A roadway concrete filled steel tube composite support as claimed in claim 5, wherein: the internal thread of switching frame (18) is connected with threaded rod (19), threaded rod (19) is last threaded connection has stop nut (110) on the outer wall.
7. A roadway concrete filled steel tube composite support as defined in claim 6, wherein: one side of the limit nut (110) is lapped on one side of the transfer frame (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321141294.0U CN219654715U (en) | 2023-05-10 | 2023-05-10 | Roadway steel pipe concrete combined support bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321141294.0U CN219654715U (en) | 2023-05-10 | 2023-05-10 | Roadway steel pipe concrete combined support bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219654715U true CN219654715U (en) | 2023-09-08 |
Family
ID=87861599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321141294.0U Active CN219654715U (en) | 2023-05-10 | 2023-05-10 | Roadway steel pipe concrete combined support bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219654715U (en) |
-
2023
- 2023-05-10 CN CN202321141294.0U patent/CN219654715U/en active Active
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