CN217712622U - Shallow excavation tunnel excavation supporting device that buries - Google Patents
Shallow excavation tunnel excavation supporting device that buries Download PDFInfo
- Publication number
- CN217712622U CN217712622U CN202221473042.3U CN202221473042U CN217712622U CN 217712622 U CN217712622 U CN 217712622U CN 202221473042 U CN202221473042 U CN 202221473042U CN 217712622 U CN217712622 U CN 217712622U
- Authority
- CN
- China
- Prior art keywords
- wall
- tunnel
- shallow
- supporting device
- excavation
- 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.)
- Active
Links
- 238000009412 basement excavation Methods 0.000 title claims abstract description 24
- 230000008093 supporting effect Effects 0.000 title claims abstract description 21
- 238000010276 construction Methods 0.000 abstract description 12
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 8
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 8
- 241001330002 Bambuseae Species 0.000 abstract description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 8
- 239000011425 bamboo Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 6
- 230000002146 bilateral effect Effects 0.000 abstract 1
- 238000005192 partition Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
Images
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
The utility model relates to a shallow excavation tunnel excavation supporting device that buries, including the tunnel body, the mid-board, interim inverted arch, two stress plates have been placed to this internal diapire of tunnel, stress plate upper surface both sides are fixed with the riser, the thread connection section of thick bamboo is installed to the screw on the riser, install the lead screw in the thread connection section of thick bamboo, the movable block is equipped with to the lead screw top spin, two logical grooves have been seted up to the symmetry on the wall of both sides about the thread connection section of thick bamboo, it has the fixture block to articulate through the round pin axle in leading to the inslot, it has the connecting rod to articulate between the inner wall of the one end of round pin axle is kept away from with the fixture block to the movable block lateral wall, the tunnel body that corresponds with thread connection section of thick bamboo tip, circular jack has all been seted up to the mid-board lateral wall, the draw-in groove has been seted up to bilateral symmetry about the circular jack inner wall, the thread connection section of thick bamboo inserts in the circular jack and the fixture block clamps in the draw-in groove. The utility model discloses when increasing the holding power to the invert, alleviated the whole stress of mid-board, improved the supported effect of mid-board, reduced the potential safety hazard, improved the construction security.
Description
Technical Field
The utility model relates to a civil engineering struts the technical field of system, especially relates to a shallow excavation tunnel excavation supporting device that buries.
Background
The pedestrian underpass is an underground passage specially used for pedestrians to cross the road, and mainly aims to avoid conflict when traffic flow and pedestrian flow planes are intersected, ensure that people safely cross the road and reduce traffic accidents. At the present stage, when a pedestrian underpass is built, a shallow tunnel needs to be dug under a highway, in order to ensure that the problem of settlement cannot occur in the construction process, a CRD construction method, which is referred to as a cross intermediate wall method for short, is mostly selected, is a tunnel construction method suitable for a weak stratum, has a good control effect on surface settlement, and improves construction safety.
When the existing CRD construction method is used, a large section of a tunnel is divided into four relatively independent small grotto subsections for construction by generally using an intermediate wall as a support and adding temporary inverted arches on two sides of the tunnel, however, the intermediate wall is used as a main support beam for the whole tunnel construction, the temporary inverted arches also rely on the intermediate wall to provide part of stress, the support effect of the intermediate wall is further reduced, and certain potential safety hazards are provided.
Disclosure of Invention
The utility model discloses aim at solving prior art not enough, and provide a shallow undercut tunnel excavation supporting device that buries.
The utility model discloses a realize above-mentioned purpose, adopt following technical scheme:
the utility model provides a shallow tunnel excavation supporting device that secretly digs that buries, including the tunnel body, the middle part of tunnel body is provided with the mid-board, be equipped with interim invert between tunnel body inner wall and the mid-board both sides wall, two stress plates have been placed to this internal diapire of tunnel, stress plate upper surface both sides are fixed with the riser, threaded mounting has adjustable external screw thread connecting cylinder on the riser, install the lead screw in the external screw thread connecting cylinder, the movable block is equipped with soon to the screw on the lead screw, two logical grooves have been seted up to the symmetry on the wall of both sides about the external screw thread connecting cylinder, logical inslot installs the fixture block, fixture block one side articulates between the lateral wall that corresponds logical groove through the round pin axle, it has the connecting rod to articulate between the inner wall of the one end of round pin axle is kept away from to movable block lateral wall and fixture block, the tunnel body that corresponds with external screw thread connecting cylinder tip, circular jack has all been seted up to the mid-board lateral wall, the draw-in groove has been seted up to circular jack of circular jack inner wall upper and external screw thread connecting cylinder insert and correspond the fixture block clamps in the draw-in the corresponding draw-in groove.
Stress plate upper surface middle part is equipped with the brace table, and the fixed slot has been seted up to the upper surface of brace table, and the pneumatic cylinder is installed to the diapire in the fixed slot, and the output top of pneumatic cylinder is fixed with the arc welt, and arc welt top supports the bottom at interim invert.
The upper surface of the tunnel body is provided with a waterproof layer.
One end of the screw rod, which is far away from the clamping block, penetrates out of the end surface of the external thread connecting cylinder and is connected with a screw rod rotating handle.
One end of the external thread connecting cylinder, which is far away from the clamping block, is provided with a connecting cylinder rotating handle.
The dimensions of the stress plate were 500mm x 15mm.
The dimensions of the vertical plates are 500mm by 150mm by 10mm.
The utility model has the advantages that: the utility model discloses a system is strutted in the improvement, when increasing the holding power to the invert, has alleviated the bulk stress of mid-board, has improved the support effect of mid-board, has reduced the potential safety hazard, has improved the construction security.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the inside of the externally threaded connecting cylinder and the positions of the circular jacks and the clamping grooves;
FIG. 3 is a schematic view of the structure at the stress plate;
in the figure: 1-a tunnel body; 2-an intermediate wall; 3-temporary inverted arch; 4-stress plate; 5-a vertical plate; 6-external thread connecting cylinder; 7-a screw rod; 8-moving blocks; 9-through groove; 10-a fixture block; 11-a pin shaft; 12-a connecting rod; 13-a circular receptacle; 14-a card slot; 15-a support table; 16-a fixed slot; 17-a hydraulic cylinder; 18-an arc-shaped lining plate; 19-a waterproof layer; 20-a screw rod rotating handle; 21-connecting the barrel rotation handle;
the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.
Detailed Description
The invention will be further explained with reference to the following figures and examples:
as shown in fig. 1 to 3, a shallow-buried underground excavation tunnel excavation supporting device comprises a tunnel body 1, wherein a waterproof layer 19 is arranged on the upper surface of the tunnel body 1, an intermediate wall 2 is fixedly connected to the middle position of the inner wall of the tunnel body 1, and temporary inverted arches 3 are fixedly connected between the inner wall of the tunnel body 1 and the left side and the right side of the intermediate wall 2.
The inner diapire of tunnel body 1 is provided with two stress slabs 4, stress slab 4 adopts 500mm 15mm steel sheet, two risers 5 of upper surface both sides fixedly connected with of stress slab 4, riser 5 adopts 500mm 150mm 10mm steel sheet, the screw has been seted up on riser 5, the inner wall threaded connection of screw has external screw thread connecting cylinder 6, external screw thread connecting cylinder 6 adopts phi 50 mm's steel pipe processing to form, 6 internal rotations in external screw thread connecting cylinder install lead screw 7, the one end of lead screw 7 extends to 7 outsides in external screw thread connecting cylinder and is connected with lead screw rotation handle 20.
The inner wall slidable mounting of external threaded connection section of thick bamboo 6 has the movable block 8, 8 screw threads of movable block adorn soon on lead screw 7, two logical grooves 9 have been seted up on the surface of external threaded connection section of thick bamboo 6, the inner wall that leads to groove 9 rotates through round pin axle 11 and installs fixture block 10, the upper and lower surface of movable block 8 all articulates there is connecting rod 12, the one end that movable block 8 was kept away from to two connecting rod 12 is articulated mutually with the opposite face of two fixture blocks 10 respectively, circular jack 13 that corresponds with external threaded connection section of thick bamboo 6 has all been seted up to the left and right sides of mid-board 2 and the inner wall of tunnel body 1, draw-in groove 14 has been seted up to the inner wall of circular jack 13, external threaded connection 6 and fixture block 10 respectively with the inner wall looks adaptation of circular jack 13 and draw-in groove 14.
One end of the external thread connecting cylinder 6 far away from the clamping block 10 is provided with a connecting cylinder rotating handle 21.
Rotate external screw thread connecting cylinder 6, can make external screw thread connecting cylinder 6 get into in the circular jack 13, rotate lead screw 7, it removes to drive movable block 8, and then drive two fixture blocks 10 to the outside jack-up through two connecting rods 12, and make fixture block 10 block advance in the draw-in groove 14, when can improve external screw thread connecting cylinder 6 and 1 inner wall in tunnel body and partition wall 2 joint strength, also can improve the pulling force of stress board 4 centering partition wall 2, and then alleviate the overall stress of partition wall 2, the supporting effect of partition wall 2 has been improved, the potential safety hazard is reduced, the construction safety is improved.
The upper surface fixedly connected with brace table 15 of stress board 4, fixed slot 16 has been seted up to the upper surface of brace table 15, and pneumatic cylinder 17 is installed to the inner diapire of fixed slot 16, and pneumatic cylinder 17's output fixedly connected with arc welt 18, and the upper surface of arc welt 18 and the lower surface overlap joint of interim invert 3.
The hydraulic cylinder 17 can be used as a supporting point through the supporting platform 15, the arc-shaped lining plate 18 is pushed to be respectively lapped with the lower surfaces of the two temporary inverted arches 3, so that the stress of the temporary inverted arches 3 on the partition wall 2 is reduced, the supporting strength of the temporary inverted arches 3 is improved, the protection effect on workers who are constructed above the temporary inverted arches 3 is improved, and the stability of the temporary inverted arches 3 is higher.
The working principle is as follows: when using this shallow tunnel excavation supporting device that secretly digs that buries, at first in the big section construction mid-board 2 of tunnel and interim invert 3, divide into four relatively independent little grottos with big section, place stress plate 4 at tunnel body 1's inner diapire simultaneously, rotate external screw thread connecting cylinder 6, make external screw thread connecting cylinder 6 block in the circular jack 13 of mid-board 2 and tunnel body 1 inner wall, rotate lead screw 7, it slides in external screw thread connecting cylinder 6 to drive movable block 8, and then drive two fixture blocks 10 through two connecting rods 12 and jack up on external screw thread connecting cylinder 6 surface, and make two fixture blocks 10 block card in the draw-in groove 14, fixture block 10 does not accomodate and can't take external screw thread connecting cylinder 6 out circular jack 13 outside, consequently, the joint strength of stress plate 4 with mid-board 2 and tunnel body 1 inner wall has been improved, and can improve the tensile force of stress plate 4 centering partition wall 2 concave surface, the whole stress of mid-board 2 has been alleviated, the support effect to tunnel body 1 has been improved, and hydraulic cylinder 17 can drive arc liner plate 18 and support interim invert 3, the stress of interim invert 3 has been reduced, the safety when having made the construction more convenient use, the overhead arch is more used.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements made by the method concept and technical solution of the present invention or directly applied to other occasions without improvement are all within the protection scope of the present invention.
Claims (7)
1. The utility model provides a shallow tunnel excavation supporting device that secretly digs that buries, a serial communication port, including tunnel body (1), the middle part of tunnel body (1) is provided with mid-board (2), be equipped with interim inverted arch (3) between tunnel body (1) inner wall and mid-board (2) both sides wall, two stress plate (4) have been placed to tunnel body (1) inner bottom wall, stress plate (4) upper surface both sides are fixed with riser (5), threaded mounting has adjustable external screw thread connecting cylinder (6) on riser (5), install lead screw (7) in external screw thread connecting cylinder (6), screw thread spiral is equipped with movable block (8) on lead screw (7), two logical groove (9) have been seted up on the wall about external screw thread connecting cylinder (6) the symmetry, install fixture block (10) in logical groove (9), fixture block (10) one side articulates between the lateral wall that corresponds logical groove (9) through round pin axle (11), it has connecting rod (12) to articulate between the inner wall of the one end of round pin axle (11) is kept away from between fixture block (8) lateral wall and fixture block (10), tunnel body (1) that corresponds the round socket (13) both sides card jack (13), round socket (13) has been seted up and round socket (13) jack (13) corresponds round socket (13) about the round socket (13) jack (13) is inserted in round socket (13) both sides card connection (13), the round socket (13) is seted up to round socket (13) inner wall (10), the round socket (13) inner wall (10) of clamp connection card slot (10), the round socket (13) inner wall The corresponding card slot (14).
2. The shallow-buried underground excavation tunnel excavation supporting device as claimed in claim 1, wherein a supporting table (15) is arranged in the middle of the upper surface of the stress plate (4), fixing grooves (16) are formed in the upper surface of the supporting table (15), hydraulic cylinders (17) are installed on the bottom wall in the fixing grooves (16), arc-shaped lining plates (18) are fixed to the tops of output ends of the hydraulic cylinders (17), and the tops of the arc-shaped lining plates (18) are supported at the bottom of the temporary inverted arch (3).
3. The excavation supporting device for the shallow-buried and underground-excavated tunnel according to claim 2, wherein the upper surface of the tunnel body (1) is provided with a waterproof layer (19).
4. The shallow-buried underground excavation tunnel excavation supporting device according to claim 3, characterized in that one end, far away from the clamping block (10), of the screw rod (7) penetrates out of the end face of the external thread connecting cylinder (6) and is connected with a screw rod rotating handle (20).
5. The shallow underground excavation tunnel excavation supporting device of claim 4, characterized in that, the end of the externally threaded connecting cylinder (6) far away from the clamping block (10) is provided with a connecting cylinder rotating handle (21).
6. The excavation supporting device for shallow-buried underground excavation tunnels according to claim 5, wherein the size of the stress plate (4) is 500mm x 15mm.
7. The excavation supporting device of a shallow-buried underground tunnel according to claim 6, wherein the riser (5) has a size of 500mm x 150mm x 10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221473042.3U CN217712622U (en) | 2022-06-13 | 2022-06-13 | Shallow excavation tunnel excavation supporting device that buries |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221473042.3U CN217712622U (en) | 2022-06-13 | 2022-06-13 | Shallow excavation tunnel excavation supporting device that buries |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217712622U true CN217712622U (en) | 2022-11-01 |
Family
ID=83799679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221473042.3U Active CN217712622U (en) | 2022-06-13 | 2022-06-13 | Shallow excavation tunnel excavation supporting device that buries |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217712622U (en) |
-
2022
- 2022-06-13 CN CN202221473042.3U patent/CN217712622U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107119715B (en) | A kind of application method of pipe gallery entirety mould bases | |
| CN206256911U (en) | A kind of push bench process Tunnel Engineering tube coupling stopping device | |
| CN106869970B (en) | A kind of bored tunnel method for protecting support of assembled compensation deformation | |
| CN106761774A (en) | A kind of push bench process Tunnel Engineering tube coupling stopping device | |
| CN108590680A (en) | A kind of construction method that launching shaft foundation pit vertical section pours | |
| WO2021103191A1 (en) | Roadside support method by using high-water filled props | |
| CN107023309A (en) | Bow member installs chassis | |
| CN107311008B (en) | A kind of safety stop device of construction material elevator | |
| CN204497703U (en) | Road construction cable protecting device | |
| CN217712622U (en) | Shallow excavation tunnel excavation supporting device that buries | |
| CN206429247U (en) | Waterproof tunnel lining segment structure capable of being prefabricated | |
| CN102002950A (en) | Liquid division slip casting reinforcing method for subsurface structure construction joints | |
| CN106245644A (en) | A kind of building municipal administration anchor pole | |
| CN205858379U (en) | A kind of scalable steelframe joint being applicable to serious deformation | |
| CN204267046U (en) | A kind of tunnel lining concrete grouting device | |
| CN210440048U (en) | Die carrier suitable for curved well wall construction of multiple arch tunnel is used | |
| CN117662182A (en) | Device for rapidly installing steel corrugated plates in pipe curtain tunnel and construction method of device | |
| CN103669220A (en) | Installing method for long, large and light-weight heavy-load rail-crossing trestle in tunnel inverted arch construction | |
| CN208686406U (en) | A kind of supporting coal mine underworkings device | |
| CN208918572U (en) | A kind of constructing tunnel temporary support device | |
| CN206694056U (en) | A kind of mine anchor rod with Telescopic | |
| CN203702180U (en) | Single-track railway outer mold tunnel trolley | |
| CN209539376U (en) | A kind of positioning device for tunnel-liner steel side sealing belt construction | |
| CN108871122A (en) | A kind of engineering explosion mounting device for facilitating detonator fixed point to place | |
| CN109555125A (en) | Submersible type concreting sealing telescopic pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |