CN214836437U - Support frame for shield tunnel - Google Patents
Support frame for shield tunnel Download PDFInfo
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- CN214836437U CN214836437U CN202121376212.1U CN202121376212U CN214836437U CN 214836437 U CN214836437 U CN 214836437U CN 202121376212 U CN202121376212 U CN 202121376212U CN 214836437 U CN214836437 U CN 214836437U
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Abstract
The utility model discloses a support frame for shield tunnel, include: a support part, a protection part and a buffer part; the supporting part comprises a plurality of bottom plates, a plurality of supporting columns and a fixing plate; the supporting columns are fixed on the bottom plate, and fixing plates are fixed on the supporting columns; the fixed plate is provided with a protective part; the buffer part comprises a first buffer mechanism which is fixedly arranged inside the support part. The design of the buffer mechanism of the utility model can ensure the safety of constructors while supporting the tunnel; meanwhile, the whole support frame can also prolong the service life of the whole support frame through the buffering effect of the buffering mechanism in the supporting process, so that the support frame has a better use effect and a longer service life.
Description
Technical Field
The utility model relates to an engineering construction supports technical field, especially relates to a support frame for shield tunnel.
Background
The shield method is a fully mechanized construction method in the construction of the undercut method, it is to impel the shield machinery in the ground, support surrounding rock prevent from taking place to collapse in the tunnel around through shield casing and segment, excavate the soil body with the cutting device in the front of the excavation face at the same time, transport out of the hole through the unearthing machinery, push in the rear portion by the pressurization of the jack, and assemble the precast concrete segment, form a mechanized construction method of the tunnel structure, in order to prevent the tunnel from collapsing, people generally adopt the support used for supporting the shield tunnel to prevent the tunnel from collapsing. But general support simple structure can not guarantee constructor safety, and the support effect is not good simultaneously, and the support has easy fracture risk to influence constructor's life safety.
Disclosure of Invention
The utility model provides a support frame for shield tunnel to overcome and to have shield tunnel support frame can't play the support protection to the tunnel comprehensively, and in case take place the landslide, support fracture seriously threatens constructor life safety's problem.
In order to realize the purpose, the technical scheme of the utility model is that:
the utility model provides a support frame for shield tunnel which characterized in that includes: a support part, a protection part and a buffer part; the supporting part comprises a plurality of bottom plates, a plurality of supporting columns and a fixing plate;
the supporting column is fixed on the bottom plate, and the fixing plate is fixed on the supporting column;
the protective part is arranged on the fixing plate;
the buffer part comprises a first buffer mechanism which is fixedly arranged in the support part;
the first buffer mechanism comprises a mounting plate, two support rods, a connecting rod and a buffer device; the connecting rod is horizontally fixed between the two support columns, the support rod is fixed on the connecting rod, and the mounting plate is fixed on the support rod;
the buffer device comprises a first concave placing frame, a second concave placing frame, a first sliding rod, a second sliding rod, a first sliding block, a second sliding block, a first spring, a second spring, a first shaft rod, a second shaft rod and a connecting column;
the first concave placing frame is arranged on the connecting rod, the first sliding rod is arranged in the first concave placing frame, the first sliding rod is provided with two first sliding blocks and two first springs, and the first springs are located between the first sliding blocks and the first concave placing frame;
the connecting column is fixed on the mounting plate, the second concave placing frame is fixed on the connecting column, the second sliding rod is arranged in the second concave placing frame, the second sliding rod is provided with two second sliding blocks and two second springs, and the second springs are located between the second sliding blocks and the second concave placing frame;
the first shaft lever and the second shaft lever are arranged in a crossed mode, and two ends of the first shaft lever and two ends of the second shaft lever are connected with the first sliding block and the second sliding block respectively.
Furthermore, the support frame also comprises a second buffer mechanism, and the second buffer mechanism comprises a connecting block and a hydraulic cylinder; the connecting block is fixed on the supporting rod; the pneumatic cylinder is vertically installed between connecting block and the connecting rod and one end with the connecting block is connected the other end with the connecting rod is connected.
Further, the protection part comprises an arc-shaped steel plate, an arc-shaped buffer plate and an arc-shaped protection plate; arc steel sheet, arc buffer board and arc guard plate stack gradually fixed mounting from inside to outside at the fixed plate top.
Further, the support frame still includes a supplementary supporting mechanism, supplementary supporting mechanism includes a plurality of fixed columns, fixed column one end is fixed at the top of bottom plate, the other end and support column lateral wall fixed connection, the fixed column is certain angle with the bottom plate.
Furthermore, the support device further comprises two sets of second auxiliary support mechanisms, each second auxiliary support mechanism comprises a first connecting piece, a second connecting piece, a rotating rod and a connecting plate, the connecting plate is arranged at the bottom of the fixed plate, the first connecting pieces are fixedly connected to the bottom of the connecting plate, the second connecting pieces are fixedly connected to the side walls of the supporting columns, one end of each rotating rod is fixedly connected with the first connecting pieces, and the other end of each rotating rod is fixedly connected with the second connecting pieces.
Has the advantages that: the utility model discloses a supporting frame for shield tunnel, which can support the tunnel and ensure the safety of constructors through the design of a buffer mechanism; meanwhile, the whole support frame can also prolong the service life of the whole support frame through the buffering effect of the buffering mechanism in the supporting process, so that the support frame has a better use effect and a longer service life.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is a schematic view of the whole structure of the support frame of the present invention;
FIG. 2 is a schematic view of the buffer protection mechanism of the support frame of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;
fig. 4 is a schematic view of the protection support part of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
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. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. It will be understood that, as used herein, the terms "first," "second," and the like may be used herein to describe various elements, but these elements are not limited by these terms. These terms are only used to distinguish one element from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of the present application. The first and second elements are both elements, but they are not the same element.
The present embodiment provides a support frame for a shield tunnel, as shown in fig. 1 to 4, including: a support part, a protection part and a buffer part; the supporting parts are arranged in two groups side by side, wherein each group of supporting parts comprises two bottom plates 1, two supporting columns 2 and a fixing plate 3;
the supporting column 2 is fixed on the bottom plate 1, and the fixing plate 3 is fixed on the supporting column 2; the fixed plate 3 is provided with the protection part, as shown in fig. 4;
the protection part comprises an arc-shaped steel plate 4, an arc-shaped buffer plate 5 and an arc-shaped protection plate 6; the arc-shaped steel plate 4, the arc-shaped buffer plate 5 and the arc-shaped protection plate 6 are sequentially and fixedly arranged on the top of the fixing plate 3 in a stacking mode from inside to outside; the cambered surface of the arc-shaped structure of the protection part can be combined with the top of the tunnel, so that the supporting effect is optimal.
The buffer part comprises a first buffer mechanism and a second buffer mechanism, and is fixedly arranged in the support part; as shown in fig. 2, the first buffer mechanism includes a mounting plate 7, 2 support rods 9, and a connecting rod 10; the connecting rod 10 is horizontally fixed between the two support columns 2, the support rod 9 is fixed on the connecting rod 10, and the mounting plate 7 is fixed on the support rod 9; the stability of the triangular bracket formed between the support rod 9 and the connecting rod 10 is improved;
the buffer device comprises a first concave placing frame 11, a second concave placing frame 15, a first slide bar 12, a second slide bar 16, a first slide block 13, a second slide block 17, a first spring 14, a second spring 18, a first shaft rod 19, a second shaft rod 20 and a connecting column 8;
the first concave placing frame 11 is arranged on the connecting rod 10, the first sliding rod 12 is arranged in the first concave placing frame, the first sliding rod 12 is provided with two first sliding blocks 13, the first sliding rod 12 is also provided with the first spring 14, and the first spring 14 is positioned between the first sliding blocks 13 and the first concave placing frame 11;
the mounting plate 7 is fixed with the connecting column 8, the connecting column 8 is fixed with the second concave placing frame 15, the second slide bar 16 is arranged in the second concave placing frame 15, the second slide bar 16 is provided with two second slide blocks 17, the second slide bar 16 is provided with the second spring 18, and the second spring 18 is positioned between the second slide blocks 17 and the second concave placing frame 15;
the first shaft rod 19 and the second shaft rod 20 are arranged in a crossed manner, and two ends of the first shaft rod 19 and two ends of the second shaft rod 20 are respectively connected with the first sliding block 13 and the second sliding block 17 which are arranged on the first sliding rod 12 and the second sliding rod 16; as shown in fig. 3.
Preferably, the second buffer mechanism comprises a connecting block 21 and a hydraulic cylinder 22; the second buffer mechanism comprises a connecting block 21 and a hydraulic cylinder 22; the connecting block 21 is fixed on the supporting rod 9; the hydraulic cylinder 22 is vertically installed between the connection block 21 and the connection rod 10.
The support frame for the shield tunnel is provided with the first buffer mechanism and the second buffer mechanism, the second buffer mechanism can buffer the support frame through the hydraulic cylinder, and simultaneously, the support frame has more stability, and simultaneously, the first buffer mechanism is combined, so that after the supporting frame is stressed, the first sliding block 13 slides along the first sliding rod 12, meanwhile, the second sliding block 17 slides along the second sliding rod 16, so that the pressure of the supporting frame can be buffered, and the first slider 13 and the second slider 17 force the first spring 14 and the second spring 18 to be pressed during the sliding, thereby relieving the weight of the first shaft rod 19 and the second shaft rod 20, preventing the first shaft rod 19 and the second shaft rod 20 from being broken, and the crossing arrangement between the first shaft rod 19 and the second shaft rod 20 also enhances the stability of the whole protection mechanism. When in actual use, the life safety of constructors can be guaranteed once the support frame is broken.
Preferably, the support frame for the shield tunnel disclosed by the application further comprises a first auxiliary support mechanism, the first auxiliary support mechanism comprises a plurality of fixing columns 23, one ends of the fixing columns 23 are fixed to the top of the bottom plate 1, the other ends of the fixing columns 23 are fixedly connected with the side walls of the supporting columns 2, and the fixing columns 23 and the bottom plate 1 form a certain angle; each support column 2 is fixed to the base plate 1 by two inclined fixing columns 23.
Preferably, the support frame for the shield tunnel that this application discloses still includes two sets of second auxiliary stay mechanisms, the second auxiliary stay mechanism includes first connecting piece 25, second connecting piece 26 and bull stick 27 and connecting plate 24, connecting plate 24 sets up the bottom at fixed plate 3, first connecting piece 25 fixed connection is in connecting plate 24 bottom, second connecting piece 26 fixed connection is on 2 lateral walls of support column, 27 one end of bull stick and first connecting piece 25 fixed connection, the other end and 26 fixed connection of second connecting piece. The two groups of second auxiliary supporting mechanisms are symmetrically arranged relative to the axis of the connecting rod 10; the setting of second auxiliary stay mechanism can make and reliably fix between support column 2 and the connecting plate 24, makes the whole steadiness reinforcing of support frame, and whole support frame structure is more stable.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (5)
1. The utility model provides a support frame for shield tunnel which characterized in that includes: a support part, a protection part and a buffer part; the supporting part comprises a plurality of bottom plates (1), a plurality of supporting columns (2) and a fixing plate (3);
the supporting column (2) is fixed on the bottom plate (1), and the fixing plate (3) is fixed on the supporting column (2);
the protective part is arranged on the fixing plate (3);
the buffer part comprises a first buffer mechanism which is fixedly arranged in the support part;
the first buffer mechanism comprises a mounting plate (7), two support rods (9), a connecting rod (10) and a buffer device; the connecting rod (10) is horizontally fixed between the two supporting columns (2), the supporting rod (9) is fixed on the connecting rod (10), and the mounting plate (7) is fixed on the supporting rod (9);
the buffer device comprises a first concave placing frame (11), a second concave placing frame (15), a first sliding rod (12), a second sliding rod (16), a first sliding block (13), a second sliding block (17), a first spring (14), a second spring (18), a first shaft lever (19), a second shaft lever (20) and a connecting column (8);
the first concave placing frame (11) is arranged on the connecting rod (10), the first sliding rod (12) is arranged in the first concave placing frame, the first sliding rod (12) is provided with two first sliding blocks (13) and two first springs (14), and the first springs (14) are located between the first sliding blocks (13) and the first concave placing frame (11);
the connecting column (8) is fixed on the mounting plate (7), the second concave placing frame (15) is fixed on the connecting column (8), the second sliding rod (16) is arranged in the second concave placing frame (15), the second sliding rod (16) is provided with two second sliding blocks (17) and two second springs (18), and the second springs (18) are located between the second sliding blocks (17) and the second concave placing frame (15);
the first shaft lever (19) and the second shaft lever (20) are arranged in a crossed mode, and two ends of the first shaft lever (19) and two ends of the second shaft lever (20) are connected with the first sliding block (13) and the second sliding block (17) respectively.
2. The support frame for the shield tunnel according to claim 1, further comprising a second buffer mechanism, wherein the second buffer mechanism comprises a connecting block (21) and a hydraulic cylinder (22); the connecting block (21) is fixed on the supporting rod (9); the hydraulic cylinder (22) is vertically installed between the connecting block (21) and the connecting rod (10), one end of the hydraulic cylinder is connected with the connecting block (21), and the other end of the hydraulic cylinder is connected with the connecting rod (10).
3. The support frame for the shield tunnel according to claim 1, wherein the protection part comprises an arc-shaped steel plate (4), an arc-shaped buffer plate (5) and an arc-shaped protection plate (6); arc steel sheet (4), arc buffer board (5) and arc guard plate (6) stack gradually fixed mounting from inside to outside at fixed plate (3) top.
4. The support frame for the shield tunnel according to claim 1, further comprising a first auxiliary support mechanism, wherein the first auxiliary support mechanism comprises a plurality of fixing columns (23), one ends of the fixing columns (23) are fixed on the top of the bottom plate (1), the other ends of the fixing columns (23) are fixedly connected with the side walls of the supporting columns (2), and the fixing columns (23) form a certain angle with the bottom plate (1).
5. The support frame for the shield tunnel according to claim 1, further comprising two sets of second auxiliary support mechanisms, wherein each second auxiliary support mechanism comprises a first connecting piece (25), a second connecting piece (26), a rotating rod (27) and a connecting plate (24), the connecting plate (24) is arranged at the bottom of the fixing plate (3), the first connecting piece (25) is fixedly connected to the bottom of the connecting plate (24), the second connecting piece (26) is fixedly connected to the side wall of the supporting column (2), one end of the rotating rod (27) is fixedly connected to the first connecting piece (25), and the other end of the rotating rod is fixedly connected to the second connecting piece (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121376212.1U CN214836437U (en) | 2021-06-21 | 2021-06-21 | Support frame for shield tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121376212.1U CN214836437U (en) | 2021-06-21 | 2021-06-21 | Support frame for shield tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214836437U true CN214836437U (en) | 2021-11-23 |
Family
ID=78807002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121376212.1U Active CN214836437U (en) | 2021-06-21 | 2021-06-21 | Support frame for shield tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214836437U (en) |
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2021
- 2021-06-21 CN CN202121376212.1U patent/CN214836437U/en active Active
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