CN112855232A - Highway tunnel construction is with emergent strutting arrangement of resistance to deformation - Google Patents
Highway tunnel construction is with emergent strutting arrangement of resistance to deformation Download PDFInfo
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- CN112855232A CN112855232A CN202110075749.2A CN202110075749A CN112855232A CN 112855232 A CN112855232 A CN 112855232A CN 202110075749 A CN202110075749 A CN 202110075749A CN 112855232 A CN112855232 A CN 112855232A
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- 238000010276 construction Methods 0.000 title claims abstract description 24
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 42
- 239000010959 steel Substances 0.000 claims abstract description 42
- 230000008093 supporting effect Effects 0.000 claims abstract description 15
- 230000002457 bidirectional effect Effects 0.000 claims description 2
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 abstract description 3
- 239000000428 dust Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D19/00—Provisional protective covers for working space
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Abstract
The invention discloses an anti-deformation emergency supporting device for highway tunnel construction, which comprises a semicircular column, a base and a steel plate, wherein the upper surface of the base is provided with a second electric push rod, the upper end of the second electric push rod is fixedly connected with the semicircular column, the outer side of the semicircular column is provided with a plurality of supporting columns, the front end and the rear end of the upper surface of the semicircular column are respectively provided with a plurality of blind holes, the side surfaces of the blind holes are connected with extension columns in a sliding fit mode, the outer side ends of the extension columns are connected with the supporting columns, the side surfaces of the supporting columns are provided with through grooves, one steel plate penetrates through the through grooves, the upper surface of the steel plate is connected with a cushion pad, the center of the upper surface of the semicircular column is provided with. Through the setting of semi-circular post, steel sheet and support column, the height and the radian of steel sheet can both automatically regulated, and then can make blotter and tunnel top surface carry out the in close contact with on a large scale, and the supporting effect is good.
Description
Technical Field
The invention relates to the technical field of tunnel supporting, in particular to an anti-deformation emergency supporting device for highway tunnel construction.
Background
The tunnel engineering construction can cause the deformation of surrounding soil layers or soil bodies and the change of stress fields, which can cause the stress unbalance of the existing tunnel structure, so that the tunnel structure generates a plurality of deformations such as local horizontal displacement, settlement, stretching, compression and the like, once the deformations exceed the bearing capacity of the tunnel structure, the tunnel structure can be damaged, and at the moment, an anti-deformation emergency support device needs to be used.
The existing deformation-resistant emergency support device is basically installed on site, the installation process is complicated, time and labor are wasted, the fixing effect of the device is poor, and the stability of the device is further reduced; also have some automatic strutting arrangement in the market, can the automatically regulated height, and then support the top surface in tunnel, nevertheless can only support less scope, and the radian of backup pad is inconsistent with the radian of tunnel top surface on the strutting arrangement, and the support effect is not good.
Therefore, it is required to provide a deformation-resistant emergency support device for road tunnel construction, aiming at solving the above problems.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an anti-deformation emergency support device for road tunnel construction, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
an anti-deformation emergency supporting device for highway tunnel construction comprises a semicircular column, a base and a steel plate, wherein the semicircular column is horizontally arranged, an electric push rod II is installed on the upper surface of the base, the upper end of the electric push rod II is fixedly connected with the semicircular column, a plurality of supporting columns are arranged on the outer side of the semicircular column, a plurality of blind holes are formed in the front end and the rear end of the upper surface of the semicircular column, extending columns are connected to the side surfaces of the blind holes in a sliding fit mode, the outer side ends of the extending columns are connected with the supporting columns, a guide column is arranged between every two adjacent extending columns, the lower end of each guide column is connected with the semicircular column, a guide frame is sleeved on the outer side of each guide column, a movable rod is connected between each guide frame and each supporting column, one end of each movable rod is hinged to each guide frame, the other end of each movable rod is hinged, and the surface of steel sheet is connected with the medial surface sliding fit who leads to the groove, and the upper surface of steel sheet is connected with the blotter, the center department of semi-circular post upper surface is provided with the mounting groove, installs electric putter one in the mounting groove, and electric putter one's upper end and support column fixed connection, electric putter one are used for driving the support column and remove.
As a further scheme of the invention, the steel plate is in the shape of an arc plate, the center line of the steel plate and the center line of the semicircular column are arranged in a collinear manner, the steel plate is a 26SiMnSo steel plate, the 26SiMnSo steel plate has high strength and high toughness, namely the steel plate can deform and is not easy to break when being subjected to external force, and the contact between the upper surface and the lower surface of the steel plate and the support column is line contact rather than surface contact.
As a further scheme of the present invention, a plurality of the support columns are distributed in a circumferential array about a center line of the semicircular column, an inner side surface of the guide frame is connected with an outer side surface of the guide column in a sliding fit manner, one guide column is matched with one guide frame and two movable rods, a plurality of the guide frames are distributed in a circumferential array about a center line of the semicircular column, and two movable rods connected to one guide frame are symmetrically arranged about a symmetry plane of the guide frame, so that when one support column moves, the adjacent guide frame is driven to move, and further, the adjacent support column is driven to move, and all the support columns can move synchronously.
As a further scheme of the invention, the bottom surface of the semicircular column is a horizontal plane, the upper surface of the semicircular column is an arc surface, the number of the support columns is at least three, the number value of the support columns is odd, the telescopic directions of the electric push rod I and the electric push rod II are both vertical directions, the inner side end of the extension column is connected with the bottom surface of the blind hole through a rope, and the rope is arranged to prevent the extension column from separating from the blind hole.
As a further scheme of the invention, the outer side surface of the support column is fixedly connected with a brush plate, the surface of the brush plate is connected with brush bristles, the brush plate is arranged at the notch of the through groove, and the brush plate is used for cleaning dust on the surface of the steel plate, so that the dust is prevented from entering the through groove, and the steel plate can be ensured to be normally bent.
As a further scheme of the invention, a plurality of telescopic rods are connected between the semicircular column and the base, each telescopic rod consists of a fixed sleeve and a telescopic column, the lower end face of each fixed sleeve is fixedly connected with the upper surface of the base, the outer side face of each telescopic column is connected with the inner side face of each fixed sleeve in a sliding fit manner, the upper end of each telescopic column is fixedly connected with the bottom face of the semicircular column, and the telescopic rods are arranged to enable the semicircular column to ascend and descend more stably.
As a further scheme of the invention, four wheels are arranged on the bottom surface of the base, the four wheels are distributed in a rectangular shape, a cart handrail is fixedly connected to the base, and the arrangement of the wheels and the cart handrail is convenient for moving the device.
As a further scheme of the invention, a motor is fixedly installed on the base, sliding grooves are formed in the left edge and the right edge of the upper surface of the base, two sliding blocks are connected in a sliding fit mode in one sliding groove, threaded through holes are formed in the sliding blocks, threaded shafts are connected in the threaded through holes in a matched mode, one threaded shaft is connected with the two sliding blocks, one end of each threaded shaft is coaxially and fixedly connected with an output shaft of the motor, a second swing rod is rotatably connected at the front end and the rear end of each sliding groove, and a first swing rod is connected between the second swing rod and the sliding blocks.
As a further scheme of the invention, one end of the first oscillating rod is hinged with the sliding block, the other end of the first oscillating rod is hinged with the middle position of the second oscillating rod, the lower end of the second oscillating rod is fixedly connected with a pressing column, a rubber pad is sleeved on the outer side of the pressing column, and when the base needs to be fixed, the motor is started to enable the pressing column to be in close contact with the ground.
As a further scheme of the invention, the threaded shaft is a bidirectional threaded shaft, when the threaded shaft rotates, the moving directions of the two sliding blocks are opposite, the number of the threaded shaft and the number of the motors are two and are symmetrically arranged left and right relative to a symmetrical plane of the base, the upper surface of the base is fixedly provided with a plurality of bearing seats, the bearing seats are internally provided with bearings, and inner holes of the bearings are fixedly connected with the side surfaces of the threaded shaft.
In conclusion, the beneficial effects of the invention are as follows:
through the setting of semi-circular post, steel sheet, electric telescopic handle one, electric telescopic handle two and support column, the height and the radian of steel sheet can both automatically regulated, and then can make blotter and tunnel top surface carry out the in close contact with on a large scale, and the supporting effect is good.
Drawings
Fig. 1 is a schematic structural diagram of a deformation-resistant emergency support device for road tunnel construction in a front view.
Fig. 2 is a partial three-dimensional structural schematic diagram of an anti-deformation emergency support device for road tunnel construction.
Fig. 3 is a front sectional view of fig. 2.
Fig. 4 is a side view structural diagram of an anti-deformation emergency support device for road tunnel construction.
Fig. 5 is a partially enlarged schematic view of a portion a of fig. 3.
Fig. 6 is a top view of a base in an anti-deformation emergency support device for road tunnel construction.
Reference numerals: 1-semicircular column, 2-supporting column, 3-extending column, 4-steel plate, 5-mounting groove, 6-electric push rod I, 7-guiding column, 8-guiding frame, 9-through groove, 10-buffer pad, 11-blind hole, 12-rope, 13-movable rod, 14-base, 15-sliding groove, 16-telescopic rod, 17-electric push rod II, 18-bearing seat, 19-motor, 20-threaded shaft, 21-sliding block, 22-swing rod I, 23-swing rod II, 24-pressing column, 25-rubber pad, 26-wheel, 27-cart handrail, 30-brush plate, 31-brush hair, 161-fixed sleeve and 162-telescopic column.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, the terms "center", "lateral", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1
Referring to fig. 1 to 6, an anti-deformation emergency support device for highway tunnel construction comprises a semicircular column 1, a base 14 and a steel plate 4, wherein the semicircular column 1 is horizontally arranged, an electric push rod 17 is installed on the upper surface of the base 14, the upper end of the electric push rod 17 is fixedly connected with the semicircular column 1, a plurality of support columns 2 are arranged on the outer side of the semicircular column 1, a plurality of blind holes 11 are respectively arranged at the front end and the rear end of the upper surface of the semicircular column 1, extension columns 3 are connected on the side surfaces of the blind holes 11 in a sliding fit manner, the outer side ends of the extension columns 3 are connected with the support columns 2, a guide column 7 is arranged between every two adjacent extension columns 3, the lower end of the guide column 7 is connected with the semicircular column 1, a guide frame 8 is sleeved on the outer side of the guide column 7, a movable rod 13 is connected between the guide frame 8 and the support columns 2, one, the other end of movable rod 13 is articulated with support column 2, be provided with logical groove 9 on the side of support column 2, a steel sheet 4 runs through logical groove 9 of a plurality of, and the surface of steel sheet 4 is connected with the medial surface sliding fit who leads to groove 9, and the upper surface of steel sheet 4 is connected with blotter 10, the center department of 1 upper surface of semi-circular post is provided with mounting groove 5, installs electric putter 6 in mounting groove 5, and electric putter 6's upper end and 2 fixed connection of support column, electric putter 6 are used for driving support column 2 and remove.
The steel sheet 4 is circular arc platelike, and the central line of steel sheet 4 and the central line collineation setting of semi-circular post 1, steel sheet 4 is 26SiMnso steel sheet, and 26SiMnso steel sheet has high strength and high toughness, and steel sheet 4 can produce deformation and difficult rupture when receiving the exogenic action promptly, the contact between the upper surface of steel sheet 4 and lower surface and support column 2 is line contact rather than face contact.
The support columns 2 are distributed in a circumferential array mode about the center line of the semicircular column 1, the inner side face of each guide frame 8 is connected with the outer side face of each guide column 7 in a sliding fit mode, one guide column 7 is matched with one guide frame 8 and two movable rods 13, the guide frames 8 are distributed in a circumferential array mode about the center line of the semicircular column 1, and the two movable rods 13 connected to one guide frame 8 are symmetrically arranged about the symmetry plane of the guide frame 8, so that when one support column 2 moves, the adjacent guide frame 8 can be driven to move, the adjacent support columns 2 are driven to move, and all the support columns 2 can move synchronously.
The bottom surface of semi-circular post 1 is the horizontal plane, and the upper surface of semi-circular post 1 is the arc surface, the quantity value that the quantity of support column 2 is three and support column 2 at least is the odd number, and electric putter one 6 and electric putter two 17's flexible direction are vertical direction, the medial extremity that extends post 3 is connected through rope 12 with the underrun of blind hole 11, and the setting of rope 12 is avoided extending post 3 to break away from blind hole 11.
Lateral surface fixedly connected with brush board 30 of support column 2, the surface connection of brush board 30 has brush hair 31, brush board 30 is installed in the notch department that leads to groove 9, and brush board 30 is used for cleaning the dust on steel sheet 4 surface, avoids the dust and then leads to groove 9 in, guarantees that steel sheet 4 can normally be crooked.
Example 2
Referring to fig. 1 to 6, in this embodiment, a plurality of telescopic rods 16 are connected between the semicircular column 1 and the base 14, each telescopic rod 16 is composed of a fixed sleeve 161 and a telescopic column 162, a lower end surface of the fixed sleeve 161 is fixedly connected with an upper surface of the base 14, an outer side surface of the telescopic column 162 is connected with an inner side surface of the fixed sleeve 161 in a sliding fit manner, an upper end of the telescopic column 162 is fixedly connected with a bottom surface of the semicircular column 1, and the telescopic rods 16 are arranged to make the semicircular column 1 more stably ascend and descend.
Four wheels 26 are installed on the bottom surface of the base 14, the four wheels 26 are distributed in a rectangular shape, a cart handrail 27 is fixedly connected to the base 14, and the wheels 26 and the cart handrail 27 are arranged to facilitate moving of the device.
Fixed mounting has motor 19 on the base 14, and the edge all is provided with spout 15 about the base 14 upper surface, and two sliding blocks 21 are connected to sliding fit in a spout 15, be provided with the screw through-hole on the sliding block 21, the cooperation is connected with screw thread axle 20 in the screw through-hole, and a screw thread axle 20 is connected with two sliding blocks 21, the coaxial fixed connection of one end of screw thread axle 20 and motor 19's output shaft, both ends department rotates around spout 15 and is connected with swinging arms two 23, is connected with swinging arms one 22 between swinging arms two 23 and the sliding block 21.
One end of the first swing rod 22 is hinged to the sliding block 21, the other end of the first swing rod 22 is hinged to the middle of the second swing rod 23, the lower end of the second swing rod 23 is fixedly connected with a pressing column 24, a rubber pad 25 is sleeved on the outer side of the pressing column 24, and when the base 14 needs to be fixed, the motor 19 is started to enable the pressing column 24 to be in close contact with the ground.
Threaded shaft 20 is two-way threaded shaft, and when threaded shaft 20 rotated, two sliding blocks 21's moving direction was opposite, threaded shaft 20 and motor 19's quantity was two and all sets up about the symmetry plane bilateral symmetry of base 14, the last fixed surface of base 14 installs a plurality of bearing frame 18, installs the bearing in the bearing frame 18, the hole of bearing and threaded shaft 20's side fixed connection, other structures of this embodiment and connected mode are the same with embodiment 1 completely.
The working process of the embodiment of the invention is as follows: first remove this device to the construction site, start electric putter two 17 for semicircular column 1 reaches suitable height, then start electric putter 6, make support column 2 move to the outside, and the radian of steel sheet 4 changes, and the top surface in close contact with in the top surface of blotter 10 and tunnel makes to compress tightly post 24 and ground in close contact with at last.
The present invention has been described in detail with reference to the preferred embodiments thereof, and it should be understood that the invention is not limited thereto, but is intended to cover modifications, equivalents, and improvements within the spirit and scope of the present invention.
Claims (10)
1. An anti-deformation emergency supporting device for highway tunnel construction comprises a semicircular column (1), a base (14) and a steel plate (4), and is characterized in that the semicircular column (1) is horizontally arranged, an electric push rod II (17) is mounted on the upper surface of the base (14), the upper end of the electric push rod II (17) is fixedly connected with the semicircular column (1), a plurality of supporting columns (2) are arranged on the outer side of the semicircular column (1), a plurality of blind holes (11) are formed in the front end and the rear end of the upper surface of the semicircular column (1), an extension column (3) is connected to the inner side surface of each blind hole (11) in a sliding fit manner, the outer side end of each extension column (3) is connected with the corresponding supporting column (2), a guide column (7) is arranged between every two adjacent extension columns (3), the lower end of each guide column (7) is connected with the corresponding semicircular column (1), a guide frame (8) is sleeved on the outer side, be connected with movable rod (13) between guide frame (8) and support column (2), the one end and the guide frame (8) of movable rod (13) are articulated, and the other end and the support column (2) of movable rod (13) are articulated, be provided with logical groove (9) on the side of support column (2), a steel sheet (4) runs through logical groove (9) of a plurality of, and the surface of steel sheet (4) is connected with the medial surface sliding fit who leads to groove (9), and the upper surface of steel sheet (4) is connected with blotter (10), the center department of semi-circular post (1) upper surface is provided with mounting groove (5), installs electric putter (6) in mounting groove (5), the upper end and support column (2) fixed connection of electric putter (6).
2. The anti-deformation emergency support device for road tunnel construction according to claim 1, wherein the steel plate (4) is in the shape of a circular arc plate, the center line of the steel plate (4) is arranged in line with the center line of the semicircular column (1), and the steel plate (4) is a 26SiMnso steel plate.
3. The anti-deformation emergency support device for road tunnel construction according to claim 1, wherein a plurality of the support columns (2) are distributed in a circumferential array around the center line of the semicircular column (1), the inner side surface of the guide frame (8) is connected with the outer side surface of the guide column (7) in a sliding fit manner, one guide column (7) is matched with one guide frame (8) and two movable rods (13), a plurality of the guide frames (8) are distributed in a circumferential array around the center line of the semicircular column (1), and the two movable rods (13) connected to one guide frame (8) are symmetrically arranged around the symmetry plane of the guide frame (8).
4. The anti-deformation emergency support device for the highway tunnel construction according to claim 1, wherein the bottom surface of the semicircular column (1) is a horizontal plane, the upper surface of the semicircular column (1) is a circular arc surface, the number of the support columns (2) is at least three, the number of the support columns (2) is odd, and the inner side end of the extension column (3) is connected with the bottom surface of the blind hole (11) through a rope (12).
5. The anti-deformation emergency support device for road tunnel construction according to claim 1, wherein a brush plate (30) is fixedly connected to an outer side surface of the support column (2), bristles (31) are connected to a surface of the brush plate (30), and the brush plate (30) is installed at a notch of the through groove (9).
6. The anti-deformation emergency support device for the road tunnel construction according to claim 1, wherein a plurality of telescopic rods (16) are connected between the semicircular column (1) and the base (14), each telescopic rod (16) comprises a fixed sleeve (161) and a telescopic column (162), the lower end surface of the fixed sleeve (161) is fixedly connected with the upper surface of the base (14), the outer side surface of the telescopic column (162) is connected with the inner side surface of the fixed sleeve (161) in a sliding fit manner, and the upper end of the telescopic column (162) is fixedly connected with the bottom surface of the semicircular column (1).
7. The anti-deformation emergency support device for road tunnel construction according to claim 1, wherein four wheels (26) are installed on the bottom surface of the base (14), the four wheels (26) are distributed in a rectangular shape, and a cart handrail (27) is fixedly connected to the base (14).
8. The anti-deformation emergency support device for the road tunnel construction according to claim 1, wherein a motor (19) is fixedly mounted on the base (14), sliding grooves (15) are respectively formed in the left edge and the right edge of the upper surface of the base (14), two sliding blocks (21) are connected in a sliding fit manner in one sliding groove (15), threaded through holes are formed in the sliding blocks (21), threaded shafts (20) are connected in the threaded through holes in a matching manner, one threaded shaft (20) is connected with the two sliding blocks (21), one end of each threaded shaft (20) is coaxially and fixedly connected with an output shaft of the motor (19), two swing rods (23) are rotatably connected at the front end and the rear end of the sliding groove (15), and a first swing rod (22) is connected between each sliding block (21) and each swing rod (23).
9. The anti-deformation emergency support device for road tunnel construction according to claim 8, wherein one end of the first swing rod (22) is hinged to the sliding block (21), the other end of the first swing rod (22) is hinged to the middle position of the second swing rod (23), the lower end of the second swing rod (23) is fixedly connected with a pressing column (24), and a rubber pad (25) is sleeved on the outer side of the pressing column (24).
10. The anti-deformation emergency support device for the highway tunnel construction according to claim 9, wherein the threaded shaft (20) is a bidirectional threaded shaft, the number of the threaded shaft (20) and the number of the motors (19) are two and are arranged in bilateral symmetry with respect to a symmetry plane of the base (14), a plurality of bearing seats (18) are fixedly installed on an upper surface of the base (14), bearings are installed in the bearing seats (18), and inner holes of the bearings are fixedly connected with side surfaces of the threaded shaft (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110075749.2A CN112855232B (en) | 2021-01-20 | 2021-01-20 | Highway tunnel construction is with emergent strutting arrangement of resistance to deformation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110075749.2A CN112855232B (en) | 2021-01-20 | 2021-01-20 | Highway tunnel construction is with emergent strutting arrangement of resistance to deformation |
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| Publication Number | Publication Date |
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| CN112855232A true CN112855232A (en) | 2021-05-28 |
| CN112855232B CN112855232B (en) | 2021-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110075749.2A Active CN112855232B (en) | 2021-01-20 | 2021-01-20 | Highway tunnel construction is with emergent strutting arrangement of resistance to deformation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114033451A (en) * | 2021-11-12 | 2022-02-11 | 河南理工大学 | Tunnel construction is with board-like intelligent support of automatic flexible shield |
| CN114263194A (en) * | 2022-02-17 | 2022-04-01 | 姬蹬辉 | Supporting structure for constructing underpass high-speed railway |
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| US3903707A (en) * | 1973-03-24 | 1975-09-09 | Gewerk Eisenhuette Westfalia | Tunneling shields |
| CN108561165A (en) * | 2018-06-15 | 2018-09-21 | 贵州大学 | A kind of tunnel supporting apparatus convenient for deployment and dismounting |
| CN208702442U (en) * | 2018-08-30 | 2019-04-05 | 中交一公局第五工程有限公司 | Tunnel support structure |
| CN208702450U (en) * | 2018-08-30 | 2019-04-05 | 中交一公局第五工程有限公司 | Tunnel dedusting car |
| CN111379579A (en) * | 2020-03-19 | 2020-07-07 | 华质建设集团有限公司 | Subway tunnel construction support |
| CN112031852A (en) * | 2020-08-27 | 2020-12-04 | 山东鼎鲁建筑有限公司 | Arch supporting device for tunnel construction |
| CN212272227U (en) * | 2020-02-18 | 2021-01-01 | 苏州中车建设工程有限公司 | Fixing mechanism for tunnel safety construction site |
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2021
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3903707A (en) * | 1973-03-24 | 1975-09-09 | Gewerk Eisenhuette Westfalia | Tunneling shields |
| CN108561165A (en) * | 2018-06-15 | 2018-09-21 | 贵州大学 | A kind of tunnel supporting apparatus convenient for deployment and dismounting |
| CN208702442U (en) * | 2018-08-30 | 2019-04-05 | 中交一公局第五工程有限公司 | Tunnel support structure |
| CN208702450U (en) * | 2018-08-30 | 2019-04-05 | 中交一公局第五工程有限公司 | Tunnel dedusting car |
| CN212272227U (en) * | 2020-02-18 | 2021-01-01 | 苏州中车建设工程有限公司 | Fixing mechanism for tunnel safety construction site |
| CN111379579A (en) * | 2020-03-19 | 2020-07-07 | 华质建设集团有限公司 | Subway tunnel construction support |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114033451A (en) * | 2021-11-12 | 2022-02-11 | 河南理工大学 | Tunnel construction is with board-like intelligent support of automatic flexible shield |
| CN114263194A (en) * | 2022-02-17 | 2022-04-01 | 姬蹬辉 | Supporting structure for constructing underpass high-speed railway |
| CN114263194B (en) * | 2022-02-17 | 2023-10-20 | 中交四航局第三工程有限公司 | Support structure for building underpass high-speed railway |
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|---|---|
| CN112855232B (en) | 2021-12-21 |
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