CN210370670U - Tunnel pipe shed supporting construction - Google Patents
Tunnel pipe shed supporting construction Download PDFInfo
- Publication number
- CN210370670U CN210370670U CN201921211800.2U CN201921211800U CN210370670U CN 210370670 U CN210370670 U CN 210370670U CN 201921211800 U CN201921211800 U CN 201921211800U CN 210370670 U CN210370670 U CN 210370670U
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- reinforcing plate
- mounting block
- block
- installation piece
- pipe shed
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Abstract
The utility model provides a tunnel pipe canopy supporting construction, be in including bow-shaped supporter, setting a plurality of pipe canopy mounting holes, welding on the supporter are in the first reinforcing plate of supporter upper surface, welding are in the second reinforcing plate of supporter lower surface, first installation piece has been welded respectively at the both ends of supporter, the bottom of first installation piece all is provided with second installation piece, first installation piece with second installation piece is fixed through the gim peg, the bottom of second installation piece all is provided with main fixed block, be provided with the outrigger between the main fixed block, the outside of main fixed block is passed through the connecting rod and is connected with supplementary fixed block, the bottom of main fixed block and supplementary fixed block is provided with the point of breaking soil respectively. The utility model discloses stability is good, and intensity is high, can not pour into silt, the marketing and the application of being convenient for to the pipe roof mounting hole.
Description
Technical Field
The utility model belongs to the equipment field is excavated in the tunnel, concretely relates to tunnel pipe canopy supporting construction.
Background
The pipe shed supporting method is a new technology developed in recent years for tunneling in weak surrounding rocks. The pipe-shed method is used as an auxiliary method for tunnel construction at first, and plays an important role in penetrating through a broken zone, a loose zone and a soft stratum, and a water burst layer and a sand burst layer in the soft rock tunnel construction. In the tunnel pipe shed construction process, the difficulty of pipe shed construction is often the stability promotion of pipe shed structure, reinforcing bar accurate positioning, pipe shed concrete thickness control. In view of this, in order to improve the field construction quality and efficiency of tunnel excavation supporting and improve the stress performance and the dismounting efficiency of supporting structures, the tunnel portal pipe shed supporting structure which can not only enhance the stability of the tunnel supporting structure and surrounding rocks, but also improve the laying and excavation construction efficiency of the tunnel temporary supporting structure and can also improve the material reuse rate is urgently needed to be invented at present.
The Chinese patent with the application number of 201820672398.7 provides a tunnel portal pipe shed supporting structure which comprises a portal pipe shed, unit assembling supports, a pipe shed inner mold and a tunnel outer soil layer; arranging unit assembling supports according to the spatial line shape of the tunnel portal pipe shed, wherein the unit assembling supports are connected with the pipe shed inner die through top surface supporting rods and side surface supporting rods, and pressure diffusion plates are arranged at the joints of the top surface supporting rods and the side surface supporting rods and the pipe shed inner die; sequentially arranging a template inner support, an auxiliary positioning rib, a reinforcing steel bar limiting pipe and a pipe shed outer mold on the pipe shed inner mold, and arranging a counter-pulling screw rod between the pipe shed outer mold and the pipe shed inner mold; an outer die limiting body is arranged at the joint of the outer die of the pipe shed and the soil layer outside the tunnel, and an outer inclined strut and an outer support pier are arranged between the outer die limiting body and the soil layer outside the tunnel. But the current pipe roof supporting construction still has the poor stability, and intensity is low, pours into the problem of silt to the pipe roof mounting hole easily.
Therefore, it is necessary to develop a tunnel pipe-shed supporting structure with good stability and high strength.
SUMMERY OF THE UTILITY MODEL
In order to solve the not enough of prior art existence, the utility model provides a tunnel pipe canopy supporting construction that stability is good, intensity is high, this utility model has avoided pouring into the problem of silt to the pipe canopy mounting hole.
The utility model discloses, be in including arcuate supporter, setting a plurality of pipe sheds mounting hole, welding on the supporter are in the first reinforcing plate of supporter upper surface, welding are in the second reinforcing plate of supporter lower surface, first installation piece has been welded respectively at the both ends of supporter, the bottom of first installation piece all is provided with second installation piece, first installation piece with second installation piece is fixed through the gim peg, the bottom of second installation piece all is provided with main fixed block, be provided with the outrigger between the main fixed block, the outside of main fixed block is passed through the connecting rod and is connected with supplementary fixed block, the bottom of main fixed block and supplementary fixed block is provided with the point of breaking soil respectively.
Preferably, the stable support comprises a thread force applying arm, a rotating shaft, a fixed seat and a threaded pipe, the thread force applying arm is connected with the fixed seat through the rotating shaft, and the thread force applying arms are connected through the threaded pipe.
Preferably, the first reinforcing plate and the second reinforcing plate are made of steel metal plates and are bent to have radians consistent with the support body, and the widths of the first reinforcing plate and the second reinforcing plate are larger than the width of the support body. The area of the upper surface and the lower surface of the supporting body is increased, and broken soil is prevented from entering the pipe shed mounting hole.
Preferably, the first mounting block and the second mounting block are made of stainless steel metal blocks used in pairs, the contact surface between the first mounting block and the second mounting block is subjected to rough treatment, and the second mounting block is buried under the ground. The position of the supporting body is favorably fixed, the two ends of the supporting body are prevented from being displaced, the pressure bearing capacity of the supporting body is weakened, and danger is caused.
As a preferred scheme, the ground breaking tips are solid metal cones, the ground breaking tips are used in pairs, and a plurality of annular bulges are arranged on the surfaces of the ground breaking tips. The position of the second installation block is favorably fixed, and the second installation block is prevented from moving due to the action of external force.
Preferably, the stable support is a stainless steel metal pipe, the length of the stable support can be adjusted as required, and the stable support is buried underground. The distance between the first mounting block and the second mounting block is kept unchanged, and the overall strength of the equipment is improved.
As a preferred scheme, the ground breaking tip is installed at the bottoms of the main fixing block and the auxiliary fixing block through bolts. The position of the second installation block is favorably fixed, and the second installation block is prevented from moving due to external force.
The utility model has the advantages that:
firstly, the first reinforcing plate and the second reinforcing plate are arranged, so that the area of the upper surface and the lower surface of the supporting body can be increased, and broken soil scraps can be prevented from entering the pipe shed mounting hole;
secondly, the utility model is provided with a ground breaking point, which is beneficial to fixing the position of the second mounting block and preventing the second mounting block from moving due to the action of external force;
third, the utility model discloses be provided with the outrigger, be favorable to making the distance between first installation piece and the second installation piece keep unchangeable, improve equipment holistic intensity.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a cross-sectional view taken at A in FIG. 1;
fig. 3 is a schematic structural view of the stabilizing support of the present invention.
In the figure: the method comprises the following steps of 1-supporting body, 2-first reinforcing plate, 3-second reinforcing plate, 4-pipe shed mounting hole, 5-first mounting block, 6-second mounting block, 7-fixing bolt, 8-main fixing block, 9-auxiliary fixing block, 10-connecting rod, 11-ground breaking point, 12-stable support, 121-thread force applying arm, 122-rotating shaft, 123-fixing seat and 124-threaded pipe.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in fig. 1-3, a tunnel pipe shed supporting structure, be in including bow-shaped supporter 1, setting a plurality of pipe shed mounting holes 4, welding on supporter 1 are in the first reinforcing plate 2, the welding of 1 upper surface of supporter are in the second reinforcing plate 3 of 1 lower surface of supporter, first installation piece 5 has been welded respectively at the both ends of supporter 1, the bottom of first installation piece 5 all is provided with second installation piece 6, first installation piece 5 with second installation piece 6 is fixed through gim peg 7, the bottom of second installation piece 6 all is provided with main fixed block 8, be provided with stabilizing support 12 between the main fixed block 8, the outside of main fixed block 8 is passed through connecting rod 10 and is connected with supplementary fixed block 9, the bottom of main fixed block 8 and supplementary fixed block 9 is provided with the point of breaking soil 11 respectively.
Specifically, the stable support 12 includes a thread applying arm 121, a rotating shaft 122, a fixing seat 123 and a threaded pipe 124, the thread applying arm 121 is connected to the fixing seat 123 through the rotating shaft 122, and the thread applying arms 121 are connected to each other through the threaded pipe 124. The first reinforcing plate 2 and the second reinforcing plate 3 are made of steel metal plates and are bent into radians consistent with the support body 1 respectively, and the width of the first reinforcing plate 2 and the width of the second reinforcing plate 3 are larger than that of the support body 1. The first installation block 5 and the second installation block 6 are made of stainless steel metal blocks used in pairs, the contact surface between the first installation block 5 and the second installation block 6 is subjected to rough treatment, and the second installation block 6 is buried under the ground. The ground breaking point 11 is a solid metal cone, the ground breaking points 11 are used in pairs, and a plurality of annular bulges are arranged on the surface of the ground breaking point 11. The stable support 12 is made of stainless steel metal pipes, the length of the stable support 12 can be adjusted as required, and the stable support 12 is buried underground. The ground breaking tip 11 is mounted at the bottoms of the main fixing block 8 and the auxiliary fixing block 9 through bolts.
The utility model discloses a theory of operation: in use the utility model discloses the time, will the utility model provides a broken soil point 11 inserts in suitable position, be favorable to the position of fixed second installation piece 6, prevent that second installation piece 6 from appearing removing because of external force, then install supporter 1 through first installation piece 5 or second installation piece 6, be favorable to the position of fixed stay body 1, make the both ends of supporter 1 fix, prevent that the displacement from appearing at the both ends of supporter 1, the bearing capacity who leads to supporter 1 weakens, cause danger, main fixed block 8 fixes through outrigger 12, be favorable to making the distance between first installation piece 5 or the second installation piece 6 keep unchangeable, improve the holistic intensity of equipment, the setting of first reinforcing plate 2 or second reinforcing plate 3, be favorable to increasing the area of the upper and lower surface of supporter 1, prevent that the garrulous bits of earth from getting into the inside of pipe shed mounting hole 4.
The above description of the present invention does not limit the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the scope of the claims of the present invention.
Claims (5)
1. The utility model provides a tunnel pipe canopy supporting construction which characterized in that: comprises an arched supporting body (1), a plurality of pipe shed mounting holes (4) arranged on the supporting body (1), a first reinforcing plate (2) welded on the upper surface of the supporting body (1), and a second reinforcing plate (3) welded on the lower surface of the supporting body (1), the two ends of the supporting body (1) are respectively welded with a first mounting block (5), the bottom of each first mounting block (5) is provided with a second mounting block (6), the first mounting block (5) and the second mounting block (6) are fixed through a fixing bolt (7), the bottoms of the second mounting blocks (6) are provided with main fixing blocks (8), a stable support (12) is arranged between the main fixed blocks (8), the outer part of the main fixed block (8) is connected with the auxiliary fixed block (9) through a connecting rod (10), the bottoms of the main fixing block (8) and the auxiliary fixing block (9) are respectively provided with a ground breaking tip (11).
2. The tunnel pipe shed supporting structure of claim 1, characterized in that: the stable support (12) comprises a thread force applying arm (121), a rotating shaft (122), a fixed seat (123) and a threaded pipe (124), wherein the thread force applying arm (121) is connected with the fixed seat (123) through the rotating shaft (122), and the thread force applying arms (121) are connected with one another through the threaded pipe (124).
3. The tunnel pipe shed supporting structure of claim 1, characterized in that: the first reinforcing plate (2) and the second reinforcing plate (3) are made of steel metal plates and are bent into radians consistent with the supporting body (1) respectively, and the width of the first reinforcing plate (2) and the width of the second reinforcing plate (3) are larger than the width of the supporting body (1).
4. The tunnel pipe shed supporting structure of claim 1, characterized in that: the first mounting block (5) and the second mounting block (6) are made of stainless steel metal blocks used in pairs, the contact surface between the first mounting block (5) and the second mounting block (6) is subjected to rough treatment, and the second mounting block (6) is buried under the ground.
5. The tunnel pipe shed supporting structure of claim 1, characterized in that: the ground breaking point (11) is a solid metal cone, the ground breaking points (11) are used in pairs, and a plurality of annular bulges are arranged on the surface of the ground breaking points (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921211800.2U CN210370670U (en) | 2019-07-30 | 2019-07-30 | Tunnel pipe shed supporting construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921211800.2U CN210370670U (en) | 2019-07-30 | 2019-07-30 | Tunnel pipe shed supporting construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210370670U true CN210370670U (en) | 2020-04-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921211800.2U Active CN210370670U (en) | 2019-07-30 | 2019-07-30 | Tunnel pipe shed supporting construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210370670U (en) |
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2019
- 2019-07-30 CN CN201921211800.2U patent/CN210370670U/en active Active
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