CN210264717U - Support that tunnel excavation construction used - Google Patents
Support that tunnel excavation construction used Download PDFInfo
- Publication number
- CN210264717U CN210264717U CN201921001224.9U CN201921001224U CN210264717U CN 210264717 U CN210264717 U CN 210264717U CN 201921001224 U CN201921001224 U CN 201921001224U CN 210264717 U CN210264717 U CN 210264717U
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- CN
- China
- Prior art keywords
- support
- main body
- sides
- tunnel excavation
- fixedly installed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Lining And Supports For Tunnels (AREA)
Abstract
The utility model discloses a support for tunnel excavation construction, which comprises a main body support, wherein a first reinforcing mesh sheet which is fixedly installed is laid at the upper end of the main body support, a second reinforcing mesh sheet which is fixedly installed is laid at the upper ends of support frames at two sides of the main body support, third reinforcing mesh sheets which are rotatably connected are arranged at the outer sides of the first reinforcing mesh sheet and the second reinforcing mesh sheet, limiting strips are fixedly installed at one sides of the support frames at the upper end of the main body support and the support frames at two sides, and steel pipes are installed between the support frames at the upper end of the main body support and the limiting strips; through this kind of mode that the steel pipe slides along the clearance between support frame and the spacing of main part support upper end and third reinforcing bar net piece all rotates with first reinforcing bar net piece and second reinforcing bar net piece and is connected, make the utility model discloses have the telescopic type, the size can freely be adjusted, and the efficiency of construction improves, avoids traditional platform great relatively, collides with easily dragging the in-process, produces the damage, avoids traditional platform less relatively simultaneously, makes constructor work area restricted.
Description
Technical Field
The utility model relates to a tunnel construction field specifically is a support that tunnel excavation construction was used.
Background
The platform of current tunnel face excavation constructor operation, the support formula as an organic whole of platform leads to the whole size of platform not to possess the controllability, when the platform is great relatively, leads to colliding with easily at the in-process of dragging, produces the damage to the platform, and when the platform is less relatively, constructor's work area is limited, provides the support that a tunnel excavation construction was used to above-mentioned condition for solve the problem that provides.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a support that tunnel excavation construction used, through the steel pipe between support frame and the spacing of main part support upper end the clearance slide with the third reinforcing bar net piece all with first reinforcing bar net piece and second reinforcing bar net piece rotate this kind of mode of being connected, make the utility model discloses have telescopically, the size can freely be adjusted.
The purpose of the utility model can be realized by the following technical scheme:
the utility model provides a support that tunnel excavation construction was used, includes the main part support, its characterized in that, the first reinforcing bar net piece of fixed mounting has been laid to main part support upper end, and the second reinforcing bar net piece of fixed mounting has all been laid to the support frame upper end of main part support both sides.
And the third steel bar net sheets which are rotatably connected are arranged on the two sides of the first steel bar net sheet, and the third steel bar net sheets which are rotatably connected are arranged on the outer sides of the second steel bar net sheets.
The supporting frame of main part support upper end and the equal fixed mounting in one side of the supporting frame of both sides have spacing, all install the steel pipe between supporting frame and the spacing of main part support upper end, the steel pipe slides along the clearance between supporting frame and the spacing of main part support upper end.
Further, the main body support is made of I-shaped steel.
Furthermore, the limiting strip is made of channel steel.
Furthermore, a limiting block is fixedly installed at the rear end of the steel pipe.
Further, equal fixed mounting has the guide rail on the foremost support frame of main part support upper end and the foremost support frame of both sides, installs in the guide rail along the gliding flexible slot of guide rail, and it has the mounting hole of array distribution to open on the flexible slot, and wherein the mounting hole runs through flexible slot, installs bolt safety barrier on the flexible slot, bolt portion and the mounting hole cooperation of bolt safety barrier.
Further, the guide rail is made of channel steel.
Furthermore, the telescopic slot is made of channel steel.
Furthermore, an upper end safety guardrail is fixedly mounted on the foremost end supporting frame at the upper end of the main body support.
And side safety guardrails are fixedly installed on the supporting frames at the foremost ends of the two sides of the main body support.
Furthermore, a plurality of reinforcing frames are arranged on the main body bracket.
Furthermore, the outer sides of the support frame at the upper end of the main body support and the support frames at the two sides are fixedly provided with crawling ladders convenient for construction personnel to climb.
The utility model has the advantages that: the utility model discloses a steel pipe is along this kind of mode that the clearance slides between support frame and the spacing of main part support upper end and third reinforcing bar net piece all rotate to be connected with first reinforcing bar net piece and second reinforcing bar net piece, makes the utility model discloses have the telescopic, the size can freely be adjusted, and the efficiency of construction improves, avoids traditional platform great relatively, collides with easily dragging the in-process, produces the damage, avoids traditional platform less relatively simultaneously, makes constructor work area restricted.
Drawings
The present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of a bracket structure for tunnel excavation construction of the present invention;
FIG. 2 is a schematic view of the partially exploded structure of the present invention;
FIG. 3 is a schematic view of a partial structure of the present invention;
fig. 4 is a schematic view of the contraction state of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
As shown in fig. 1, a support that tunnel excavation construction used, including main body support 1, main body support 1 adopts the I-steel to make, and fixed mounting's first reinforcing bar net piece 2 has been laid to main body support 1 upper end, and fixed mounting's second reinforcing bar net piece 3 has all been laid to the support frame upper end of main body support 1 both sides.
The third reinforcing mesh 4 connected in a rotating mode is installed on the two sides of the first reinforcing mesh 2, and the third reinforcing mesh 4 connected in a rotating mode is installed on the outer side of the second reinforcing mesh 3.
As shown in fig. 3, a limiting strip 11 is fixedly installed on one side of the supporting frame at the upper end of the main body support 1 and one side of the supporting frame at the two sides, the limiting strip 11 is made of channel steel, a steel pipe 5 is installed between the supporting frame at the upper end of the main body support 1 and the limiting strip 11, and the steel pipe 5 slides along a gap between the supporting frame at the upper end of the main body support 1 and the limiting strip 11; during the use, take steel pipe 5 out, rotate third reinforcing bar net piece 4, make third reinforcing bar net piece 4 overlap joint in 5 upper ends of steel pipe, increased constructor's construction region, work as the utility model discloses when needing to shift, in contracting the support frame of 5 front ends of steel pipe to 1 upper ends of main part support and spacing 11 clearance, reduce the utility model discloses a whole volume.
The rear end of the steel pipe 5 is fixedly provided with a limiting block 51, and the limiting block 51 prevents the steel pipe 5 from falling off between the support frame at the upper end of the main body support 1 and the limiting strip 11.
Equal fixed mounting has guide rail 12 on the foremost support frame of main part support 1 upper end and the foremost support frame of both sides, guide rail 12 adopts the channel-section steel to make, install in the guide rail 12 along guide rail 12 gliding flexible slot 6, flexible slot 6 adopts the channel-section steel to make, it has array distribution's mounting hole 61 to open on the flexible slot 6, as shown in fig. 2, wherein mounting hole 61 runs through flexible slot 6, install bolt safety barrier 7 on the flexible slot 6, wherein the bolt portion and the mounting hole 61 cooperation of bolt safety barrier 7, the bolt safety barrier 7 of being convenient for is dismantled.
When the lap joint of third reinforcing bar net piece 4 was in 5 upper ends of steel pipe, bolt safety barrier 7 played the guard action to the personnel of being under construction on third reinforcing bar net piece 4, when in the clearance between support frame and the spacing 11 of 5 front ends of steel pipe shrink to main part support 1 upper ends, dismantled bolt safety barrier 7, slide in the 6 front ends of slot that will stretch out and draw back simultaneously to guide rail 12.
The main body support 1 is provided with a plurality of reinforcing frames 13 for reinforcing the supporting frames at the upper end of the main body support 1 or the supporting frames at the side surfaces.
An upper end safety guardrail 14 is fixedly mounted on the foremost end support frame at the upper end of the main body support 1, and safety protection is carried out on the personnel constructed on the first reinforcing mesh piece 2.
The support frame at the foremost end of 1 both sides of main part support is last fixed mounting to have side safety barrier 15, carries out safety protection to the personnel of being under construction on second reinforcing bar net piece 3.
The outside fixed mounting of the support frame of main part support 1 upper end and the support frame of both sides has the cat ladder 8 that the constructor of being convenient for climbed, makes the constructor climb to the operation of second reinforcing bar net piece 3 upper end from ground through cat ladder 8, makes the constructor climb to the operation on the first reinforcing bar net piece 2 from second reinforcing bar net piece 3 through cat ladder 8.
The using method comprises the following steps: as shown in fig. 4, the utility model discloses a steel pipe 5 is along between 1 upper end of main part support the support frame and spacing 11 clearance slip and third reinforcing bar net piece 4 all with first reinforcing bar net piece 2 and second reinforcing bar net piece 3 this kind of mode of rotating the connection, make the utility model discloses have telescopically, the size can freely be adjusted, and the efficiency of construction improves, avoids traditional platform great relatively, is dragging the in-process and collides with easily, produces the damage, avoids traditional platform less relatively simultaneously, makes constructor work area territory limited.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.
Claims (10)
1. A support for tunnel excavation construction comprises a main body support (1) and is characterized in that a first reinforcing mesh (2) which is fixedly installed is laid at the upper end of the main body support (1), and second reinforcing mesh (3) which is fixedly installed is laid at the upper ends of support frames at two sides of the main body support (1);
third steel bar meshes (4) which are rotatably connected are mounted on the two sides of the first steel bar mesh (2), and the third steel bar meshes (4) which are rotatably connected are mounted on the outer sides of the second steel bar meshes (3);
the supporting frame of main part support (1) upper end and the equal fixed mounting in one side of the supporting frame of both sides have spacing (11), all install steel pipe (5) between supporting frame and spacing (11) of main part support (1) upper end, and steel pipe (5) slide along the clearance between supporting frame and the spacing (11) of main part support (1) upper end.
2. The bracket for tunnel excavation according to claim 1, wherein the main body bracket (1) is made of i-steel.
3. The bracket for tunnel excavation according to claim 1, wherein the stop strip (11) is made of channel steel.
4. The support for tunnel excavation construction according to claim 1, wherein a stopper (51) is fixedly installed at the rear end of the steel pipe (5).
5. The support of claim 1, wherein guide rails (12) are fixedly mounted on the foremost support frame at the upper end of the main body support (1) and the foremost support frames at the two sides, telescopic slots (6) which slide along the guide rails (12) are mounted in the guide rails (12), mounting holes (61) are formed in the telescopic slots (6) in an array distribution manner, the mounting holes (61) penetrate through the telescopic slots (6), bolt safety guardrails (7) are mounted on the telescopic slots (6), and bolt portions of the bolt safety guardrails (7) are matched with the mounting holes (61).
6. The support for excavating a tunnel according to claim 5, wherein the guide rails (12) are made of channel steel.
7. The support for tunnel excavation according to claim 5, wherein the retractable slot (6) is made of channel steel.
8. The bracket for tunnel excavation construction according to claim 1, wherein an upper end safety barrier (14) is fixedly mounted on a foremost end support frame at the upper end of the main body bracket (1);
and side safety guardrails (15) are fixedly installed on the supporting frame at the foremost ends of the two sides of the main body support (1).
9. The support for tunnel excavation according to claim 1, wherein the main body support (1) is provided with a plurality of reinforcing frames (13).
10. The bracket for tunnel excavation construction according to claim 1, wherein a ladder (8) for facilitating climbing of constructors is fixedly installed at the outer sides of the support frame at the upper end of the main bracket (1) and the support frames at the two sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921001224.9U CN210264717U (en) | 2019-06-28 | 2019-06-28 | Support that tunnel excavation construction used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921001224.9U CN210264717U (en) | 2019-06-28 | 2019-06-28 | Support that tunnel excavation construction used |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210264717U true CN210264717U (en) | 2020-04-07 |
Family
ID=70046013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921001224.9U Expired - Fee Related CN210264717U (en) | 2019-06-28 | 2019-06-28 | Support that tunnel excavation construction used |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210264717U (en) |
-
2019
- 2019-06-28 CN CN201921001224.9U patent/CN210264717U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200407 Termination date: 20200628 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |