CN213331152U - Emergent strutting arrangement of tunnel resistance to deformation that expandes fast - Google Patents
Emergent strutting arrangement of tunnel resistance to deformation that expandes fast Download PDFInfo
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- CN213331152U CN213331152U CN202021723339.1U CN202021723339U CN213331152U CN 213331152 U CN213331152 U CN 213331152U CN 202021723339 U CN202021723339 U CN 202021723339U CN 213331152 U CN213331152 U CN 213331152U
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- 230000007246 mechanism Effects 0.000 claims abstract description 39
- 230000008093 supporting effect Effects 0.000 claims description 73
- 230000003014 reinforcing effect Effects 0.000 claims description 14
- 230000000694 effects Effects 0.000 abstract description 11
- 230000003139 buffering effect Effects 0.000 description 15
- 238000001125 extrusion Methods 0.000 description 5
- 230000005489 elastic deformation Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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Abstract
The utility model discloses a quick-unfolding tunnel anti-deformation emergency support device, which belongs to the technical field of emergency support devices and comprises a base, support legs, a groove, folding grooves, a support mechanism, a first rubber pad and a buffer mechanism, wherein the base is provided with the groove, the support legs are fixedly connected at four corners of the lower surface of the base, the folding grooves are arranged at the left side and the right side of the groove, the folding grooves are arranged at the upper surface of the base, and the other end of a first folding column is hinged with one end of a second folding column through a hinge; this emergent strutting arrangement of tunnel resistance to deformation that expandes fast, through setting up screw cap, first bearing, second pivot, first bevel gear, second bevel gear and screw thread post, rotate the handle to two screw caps are close to each other, and then two connecting rods upwards rise, thereby make the mechanism that is used for the support on the first mounting panel upwards lifted, played the effect of expandeing fast, thereby avoided because of the complicated unable quick expansion of structure.
Description
Technical Field
The utility model belongs to the technical field of emergent strutting arrangement, specifically be an emergent strutting arrangement of tunnel resistance to deformation that expandes fast.
Background
The tunnel is an underground engineering building designed by human, the tunnel can be divided into other engineering tunnels such as a traffic tunnel and a municipal tunnel, but the tunnel is often subjected to geological activity to cause the internal structure of the tunnel to generate elastic deformation, if the elastic deformation is allowed to continue to expand, the tunnel is finally collapsed, so the place generating the elastic deformation needs to be supported immediately, but the existing supporting device has the following defects that 1, after the supporting device is expanded, a strengthening mechanism is not arranged, the supporting effect of the supporting device is greatly reduced, 2, the existing supporting device cannot be adjusted at will and cannot be adjusted correspondingly according to the actual tunnel height, so that the supporting work cannot be carried out, 3, the structure is complex, and after a worker carries the supporting device to the site, the supporting device cannot be extended and put into use immediately, if the support work is delayed, the result can be immeasurable.
SUMMERY OF THE UTILITY MODEL
A technical problem to be solved
In order to overcome the above-mentioned defect of prior art, the utility model provides an emergent strutting arrangement of tunnel resistance to deformation that expandes fast has solved current strutting arrangement and can't expand fast, and can't adjust according to the tunnel height of reality and corresponding, and support mechanism does not consolidate after expanding, can't play good supporting effect's problem.
Two technical schemes
In order to achieve the above object, the utility model provides a following technical scheme: a rapid-unfolding tunnel anti-deformation emergency supporting device comprises a base, supporting legs, grooves, folding grooves, a supporting mechanism, a first rubber pad and a buffer mechanism, wherein the base is provided with the grooves, the four corners of the lower surface of the base are fixedly connected with the supporting legs, the left side and the right side of each groove are respectively provided with the folding grooves, the folding grooves are arranged on the upper surface of the base, a third fixing piece is fixedly connected in each folding groove and is hinged with one end of a first folding column through a bolt, the other end of the first folding column is hinged with one end of a second folding column through a hinge, the other end of the second folding column is provided with a first threaded hole, the first threaded hole is in threaded connection with a double-end threaded column, first bearings are clamped on the left side surface and the right side surface of the inner wall of each groove, a first rotating shaft is sleeved in each first bearing, and the opposite ends of the, opposite ends of the two threaded columns are fixedly connected with second bevel gears, the two second bevel gears are mutually meshed with the first bevel gear, the lower surface of the first bevel gear is fixedly connected at the top end of a second rotating shaft, the second rotating shaft is sleeved in a second bearing clamped on the lower surface of the base, the bottom end of the second rotating shaft is fixedly connected with a handle, a threaded cap is in threaded connection with the threaded columns, the upper surface of the threaded cap is fixedly connected with a first fixing piece, the first fixing piece is hinged with one end of a connecting rod through a first pin shaft, the other end of the connecting rod is hinged with a second fixing piece through a second pin shaft, the second fixing piece is fixedly connected at the lower surface of the first mounting plate, the upper surface of the first mounting plate is fixedly connected with a support column, the left side and the right side of the support column are respectively provided with a support mechanism, and the, the utility model discloses a double-end thread post, including base, first mounting panel, second mounting panel, third mounting panel, first rubber pad, second threaded hole, third threaded hole, buffer gear, second threaded hole, bolt, first reinforcing plate, second threaded hole, third threaded hole, the upper surface of second mounting panel is provided with buffer gear, and buffer gear's last fixed surface connects the third mounting panel, and the last fixed surface of third mounting panel is connected with first rubber pad, and the last fixed surface of first rubber pad is connected with anticollision board.
As a further aspect of the present invention: the supporting mechanism comprises supporting blocks, the upper surface and the lower surface of each supporting block are fixedly connected with four supporting columns, the four supporting columns are arranged in a pyramid mode, and one end, away from each other, of each upper supporting column and one end, away from each other, of each lower corresponding supporting column are fixedly connected with the upper surface of the first mounting plate and the lower surface of the second mounting plate respectively.
As a further aspect of the present invention: the number of buffer gear is a plurality of, and a plurality of buffer gear evenly distributed between second mounting panel and third mounting panel.
As a further aspect of the present invention: buffer gear includes the buffer block of fixed connection at the second mounting panel upper surface, and the dashpot has been seted up to the inside of buffer block, and the spout has all been seted up to the left and right sides face of dashpot inner wall, and sliding connection has the slide in the spout, the last fixed surface of slide is connected with the stripper bar, the top fixedly connected with stripper plate of stripper bar, the last fixed surface of buffer block is connected with the spring, and the top fixed connection of spring is at the lower surface of stripper plate, and the spring housing is established in the outside of stripper bar.
As a further aspect of the present invention: the number of the second threaded holes is multiple, and the second threaded holes are vertically arranged on the reinforcing plate.
As a further aspect of the present invention: the bottom end of the supporting leg is fixedly connected with a second rubber pad.
Three beneficial effects
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. the quick-unfolding tunnel anti-deformation emergency supporting device is characterized in that the first folding column, the second folding column, the double-thread column and the connecting block are arranged, the double-thread column is screwed into the second folding column and the connecting block, so that the two sides of the second mounting plate are reinforced by the first folding column and the second folding column on the two sides, the supporting mechanism can support the middle part of the second mounting plate in a large range by arranging the supporting mechanism, the effect of reinforcing the whole supporting device is achieved under the combined action of the first folding column, the second folding column and the supporting mechanism, the supporting effect of the supporting device is improved, the reinforcing plate, the second mounting plate, the second threaded hole and the bolt are arranged, the bolt is inserted into the second threaded holes with different heights and penetrates through the first mounting plate, and the height of the whole supporting device can be adjusted according to different tunnel heights, the effect of strengthening again can also be carried out simultaneously, the supporting effect of strutting arrangement itself has further been improved.
2. This emergent strutting arrangement of tunnel resistance to deformation that expandes fast, through setting up screw cap, first bearing, second pivot, first bevel gear, second bevel gear and screw thread post, the handle rotates to two screw caps are close to each other, and then the top of two connecting rods upwards rises, thereby makes the mechanism that is used for the support on the first mounting panel upwards lift, has played the effect of expandeing fast, thereby has avoided can't expanding fast because of the structure is complicated, and has leaded to delaying the support work.
3. This emergent strutting arrangement of tunnel resistance to deformation that expandes fast is through setting up first rubber pad, buffer gear and second rubber pad to when making the tunnel form the pressure extrusion that becomes the production to strutting arrangement, first rubber pad, buffer gear and second rubber pad can form certain buffering, can play good protection effect to whole strutting arrangement.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic rear view of the present invention;
FIG. 3 is an enlarged schematic structural view of the position A of the present invention;
in the figure: 1. a base; 2. supporting legs; 3. a threaded cap; 4. a first rotating shaft; 5. a second rotating shaft; 6. a first bevel gear; 7. a second bevel gear; 8. a threaded post; 9. a first folding column; 10. a second folded post; 11. a double-start threaded post; 12. a folding slot; 13. a connecting rod; 14. a first mounting plate; 15. supporting columns; 16. a support mechanism; 161. a support block; 162. a support pillar; 17. connecting blocks; 18. a second mounting plate; 19. a third mounting plate; 20. a first rubber pad; 21. a reinforcing plate; 22. a second fixing sheet; 23. a buffer mechanism; 231. a slide plate; 232. a spring; 233. an extrusion stem; 234. a buffer block; 24. a bolt; 25. a handle; 26. a first fixing sheet.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
As shown in fig. 1-3, the utility model provides a technical solution: a rapid-unfolding tunnel anti-deformation emergency supporting device comprises a base 1, supporting legs 2, grooves, folding grooves 12, a supporting mechanism 16, a first rubber pad 20 and a buffer mechanism 23, wherein the base 1 is provided with the grooves, the four corners of the lower surface of the base 1 are fixedly connected with the supporting legs 2, the left side and the right side of each groove are respectively provided with the folding grooves 12, the folding grooves 12 are arranged on the upper surface of the base 1, a third fixing piece is fixedly connected in each folding groove 12 and is hinged with one end of a first folding column 9 through a bolt, the other end of the first folding column 9 is hinged with one end of a second folding column 10 through a hinge, the other end of the second folding column 10 is provided with a first threaded hole, a double-thread column 11 is in threaded connection with the first threaded hole, first bearings are clamped on the left side surface and the right side surfaces of the inner wall of each groove, and a first rotating shaft 4 is, the opposite ends of the two first rotating shafts 4 are fixedly connected with threaded columns 8, the opposite ends of the two threaded columns 8 are fixedly connected with second bevel gears 7, the two second bevel gears 7 are meshed with the first bevel gears 6, the lower surface of the first bevel gears 6 is fixedly connected to the top ends of the second rotating shafts 5, the second rotating shafts 5 are sleeved in second bearings clamped on the lower surface of the base 1, the bottom ends of the second rotating shafts 5 are fixedly connected with handles 25, threaded caps 3 are connected to the threaded columns 8 in a threaded mode, the upper surfaces of the threaded caps 3 are fixedly connected with first fixing pieces 26, the first fixing pieces 26 are hinged to one ends of the connecting rods 13 through first hinge pins, the other ends of the connecting rods 13 are hinged to second fixing pieces 22 through second hinge pins, the second fixing pieces 22 are fixedly connected to the lower surface of the first mounting plate 14, and the first fixing pieces 26, the second fixing pieces 22, The second rotating shaft 5, the second bearing and the handle 25 rotate the handle 25, so that the threaded column 8 rotates to drive the two threaded caps 3 to approach each other, the connecting rod 13 is lifted, all mechanisms on the first mounting plate 14 are lifted, and a quick unfolding effect is achieved, the upper surface of the first mounting plate 14 is fixedly connected with the support column 15, the left side and the right side of the support column 15 are respectively provided with the supporting mechanism 16, the upper end and the lower end of the supporting mechanism 16 are respectively fixedly connected with the opposite surfaces of the second mounting plate 18 and the first mounting plate 14, the positions of the upper surface of the base 1 corresponding to the front surface and the back surface of the first mounting plate 14 are respectively fixedly connected with the reinforcing plate 21, one side surface of the reinforcing plate 21 is mutually attached to one side surface of the first mounting plate 14, one side surface, far away from the two reinforcing plates 21, is respectively provided with the second threaded hole, and the second threaded hole, the bolt 24 runs through the second threaded hole and extends to the inside of the first mounting plate 14, the upper surface of the support column 15 is fixedly connected with the second mounting plate 18, the positions of the left side and the right side of the second mounting plate 18, which correspond to the double-thread columns 11, are fixedly connected with the connecting blocks 17, the lower surface of the connecting blocks 17 is provided with third threaded holes, through the arrangement of the first folding column 9, the second folding column 10, the double-thread columns 11 and the connecting blocks 17, when the first mounting plate 14 is lifted up, the first folding column 9 and the second folding column 10 are erected firstly, then the other end of the double-thread columns 11 are connected into the third threaded hole on the connecting blocks 17 in a threaded manner, so that the first folding column 9 and the second folding column 10 fix the first mounting plate 14 and the second mounting plate 18, the upper surface of the second mounting plate 18 is provided with the buffer mechanism 23, and the upper surface of the buffer mechanism 23 is fixedly connected with the third mounting, the upper surface of the third mounting plate 19 is fixedly connected with a first rubber pad 20, and the first rubber pad 20 is arranged, so that when impact force is pressed downwards, the first rubber pad 20 can play a good buffering role, and the upper surface of the first rubber pad 20 is fixedly connected with an anti-collision plate.
Specifically, as shown in fig. 1-2, the supporting mechanism 16 includes a supporting block 161, the upper surface and the lower surface of the supporting block 161 are both fixedly connected with four supporting columns 162, the four supporting columns 162 are arranged in a pyramid shape, one end of each upper and lower supporting column 162, which is far away from the corresponding supporting column 162, is respectively fixedly connected with the upper surface of the first mounting plate 14 and the lower surface of the second mounting plate 18, and by arranging the supporting block 161 and the supporting columns 162, the four supporting columns 162 are fixed on the upper surface of the first mounting plate 14 and the lower surface of the second mounting plate 18 in a pyramid shape, so that the effect of supporting the second mounting plate 18 in a large range is achieved.
Specifically, as shown in fig. 1 to 3, the number of the buffer mechanisms 23 is plural, the plural buffer mechanisms 23 are uniformly distributed between the second mounting plate 18 and the third mounting plate 19, and by providing the plural buffer mechanisms 23, when the entire support device is pressed down by an impact force, the buffer mechanisms 23 can play a large-area buffer role, thereby protecting the entire support device.
Specifically, as shown in fig. 1-3, the buffering mechanism 23 includes a buffering block 234 fixedly connected to the upper surface of the second mounting plate 18, a buffering slot is formed inside the buffering block 234, sliding slots are formed on both the left and right side surfaces of the inner wall of the buffering slot, a sliding plate 231 is slidably connected in the sliding slots, an extruding rod 233 is fixedly connected to the upper surface of the sliding plate 231, an extruding plate is fixedly connected to the top end of the extruding rod 233, a spring 232 is fixedly connected to the upper surface of the buffering block 234, the top end of the spring 232 is fixedly connected to the lower surface of the extruding plate, the spring 232 is sleeved outside the extruding rod 233, by arranging the buffering block 234, the sliding plate 231, the extruding rod 233 and the spring 232, impact force extrudes the whole buffering device, so that the extruding rod 233 is extruded downwards by the extruding plate, the extruding rod 233 downwardly extrudes the sliding plate 231, and, the spring 232 achieves a buffering effect in the process of contracting.
Specifically, as shown in fig. 1-2, the number of the second threaded holes is multiple, the multiple second threaded holes are vertically arranged on the reinforcing plate 21, and after the height of the whole supporting device is adjusted according to the actual tunnel height, the bolts 24 are inserted into the corresponding second threaded holes by arranging the second threaded holes and the bolts 24, so that the effect of adjusting the height of the whole supporting device according to different tunnel heights is achieved.
Specifically, as shown in fig. 1-2, the bottom end of the supporting leg 2 is fixedly connected with a second rubber pad, and the effect of increasing the buffering is achieved by using the elastic buffering potential energy of the second rubber pad through the arrangement of the second rubber pad.
The utility model discloses a theory of operation does:
s1, when supporting, firstly, a worker rotates the handle 25 to enable the connecting rod 13 to be lifted upwards, so that the first mounting plate 14 with the upper mechanism is lifted upwards, and is adjusted to be high or low according to the actual tunnel height, after the whole device is stabilized, the bolt 24 is inserted into the corresponding second threaded hole and penetrates through the inside of the first mounting plate 14, and therefore the whole supporting device can be fixed, and the supporting height of the whole device can be adjusted randomly according to the tunnel height;
s2, when the whole device is lifted to the highest position, the first folding column 9 and the second folding column 10 are extended, and the other end of the double-thread column 11 is connected to the connecting block 17, so that the first folding column 9 and the second folding column 10 can fix the second mounting plate 18, the two supporting mechanisms 16 on the first mounting plate 14 can fix the second mounting plate 18 again in a large area, and the fixing strength is improved;
s3, when the tunnel deforms to enable the tunnel wall to be pressed downwards to press the whole supporting device with impact force, the anti-collision plate can push the broken stone to two sides, the first rubber pad 20 can buffer part of the impact force, when the impact force is transmitted to the buffer mechanism 23, the extrusion plate downwards extrudes the extrusion rod 233, the extrusion rod 233 downwards extrudes the sliding plate 231, the sliding plate 231 further downwards slides in the sliding groove, the spring 232 is extruded and contracted, the spring 232 is contracted in the process of contraction, the effect of buffering again is achieved, and when the impact force is transmitted to the supporting leg 2, the second rubber pad below the supporting leg 2 has the buffering effect.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be interpreted broadly, e.g. as being able to be fixedly connected, detachably connected or integrally connected; can be a mechanical connection, but also an electrical connection; can be directly connected or indirectly connected through intervening media, and can communicate between the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (6)
1. The utility model provides an emergent strutting arrangement of tunnel resistance to deformation that expandes fast, includes base (1), supporting leg (2), recess, folding groove (12), supporting mechanism (16), first rubber pad (20) and buffer gear (23), its characterized in that: the folding type folding table is characterized in that a groove is formed in the base (1), supporting legs (2) are fixedly connected to four corners of the lower surface of the base (1), folding grooves (12) are formed in the left side and the right side of the groove, the folding grooves (12) are formed in the upper surface of the base (1), a third fixing piece is fixedly connected to the inner portion of each folding groove (12), the third fixing piece is hinged to one end of a first folding column (9) through a bolt, the other end of the first folding column (9) is hinged to one end of a second folding column (10) through a hinge, a first threaded hole is formed in the other end of the second folding column (10), a double-end threaded column (11) is in threaded connection with the first threaded hole, first bearings are clamped to the left side face and the right side of the inner wall of the groove, a first rotating shaft (4) is sleeved in each first bearing, threaded columns (8) are fixedly connected to opposite ends of the two first rotating shafts (4), the two second bevel gears (7) are mutually meshed with the first bevel gear (6), the lower surface of the first bevel gear (6) is fixedly connected to the top end of the second rotating shaft (5), the second rotating shaft (5) is sleeved in a second bearing clamped on the lower surface of the base (1), the bottom end of the second rotating shaft (5) is fixedly connected with a handle (25), a threaded cap (3) is in threaded connection with the threaded column (8), a first fixing piece (26) is fixedly connected to the upper surface of the threaded cap (3), the first fixing piece (26) is hinged to one end of the connecting rod (13) through a first pin shaft, a second fixing piece (22) is hinged to the other end of the connecting rod (13) through a second pin shaft, the second fixing piece (22) is fixedly connected to the lower surface of the first mounting plate (14), a supporting column (15) is fixedly connected to the upper surface of the first mounting plate (14), and supporting mechanisms (16) are arranged on the left side and the, the upper end and the lower end of the supporting mechanism (16) are respectively fixedly connected with opposite surfaces of the second mounting plate (18) and the first mounting plate (14), reinforcing plates (21) are fixedly connected with positions of the upper surface of the base (1) corresponding to the front surface and the back surface of the first mounting plate (14), one side surface of each reinforcing plate (21) is mutually attached to one side surface of the first mounting plate (14), a second threaded hole is formed in one side surface, far away from the two reinforcing plates (21), of each reinforcing plate, a bolt (24) is connected in a threaded manner in the second threaded hole, the bolt (24) penetrates through the second threaded hole and extends into the first mounting plate (14), the upper surface of the support column (15) is fixedly connected with the second mounting plate (18), connecting blocks (17) are fixedly connected with positions of the left side and the right side of the second mounting plate (18) corresponding to the double-thread column (11), and a third, the anti-collision device is characterized in that a buffer mechanism (23) is arranged on the upper surface of the second mounting plate (18), the upper surface of the buffer mechanism (23) is fixedly connected with the third mounting plate (19), the upper surface of the third mounting plate (19) is fixedly connected with a first rubber pad (20), and the upper surface of the first rubber pad (20) is fixedly connected with an anti-collision plate.
2. The emergency support device of claim 1, wherein the emergency support device is a quick-deployment tunnel anti-deformation device, comprising: the supporting mechanism (16) comprises supporting blocks (161), the upper surface and the lower surface of each supporting block (161) are fixedly connected with four supporting columns (162), the four supporting columns (162) are arranged in a pyramid mode, and one end, away from each other, of each upper supporting column and one end, away from each other, of each lower corresponding supporting column (162) are fixedly connected with the upper surface of the first mounting plate (14) and the lower surface of the second mounting plate (18) respectively.
3. The emergency support device of claim 1, wherein the emergency support device is a quick-deployment tunnel anti-deformation device, comprising: the number of the buffer mechanisms (23) is multiple, and the multiple buffer mechanisms (23) are uniformly distributed between the second mounting plate (18) and the third mounting plate (19).
4. The emergency support device of claim 3, wherein the emergency support device is a quick-deployment tunnel anti-deformation device, comprising: buffer gear (23) are including buffer block (234) of fixed connection at second mounting panel (18) upper surface, the dashpot has been seted up to the inside of buffer block (234), the spout has all been seted up to the left and right sides face of dashpot inner wall, sliding connection has slide (231) in the spout, the last fixed surface of slide (231) is connected with pressure ram (233), the top fixedly connected with stripper plate of pressure ram (233), the last fixed surface of buffer block (234) is connected with spring (232), the top fixed connection of spring (232) is at the lower surface of stripper plate, the outside at pressure ram (233) is established in spring (232) cover.
5. The emergency support device of claim 1, wherein the emergency support device is a quick-deployment tunnel anti-deformation device, comprising: the number of the second threaded holes is multiple, and the second threaded holes are vertically arranged on the reinforcing plate (21).
6. The emergency support device of claim 1, wherein the emergency support device is a quick-deployment tunnel anti-deformation device, comprising: the bottom end of the supporting leg (2) is fixedly connected with a second rubber pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021723339.1U CN213331152U (en) | 2020-08-18 | 2020-08-18 | Emergent strutting arrangement of tunnel resistance to deformation that expandes fast |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021723339.1U CN213331152U (en) | 2020-08-18 | 2020-08-18 | Emergent strutting arrangement of tunnel resistance to deformation that expandes fast |
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| Publication Number | Publication Date |
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| CN213331152U true CN213331152U (en) | 2021-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021723339.1U Active CN213331152U (en) | 2020-08-18 | 2020-08-18 | Emergent strutting arrangement of tunnel resistance to deformation that expandes fast |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115710870A (en) * | 2022-11-03 | 2023-02-24 | 重庆交通大学 | Open cut tunnel capable of preventing debris flow |
| CN116104524A (en) * | 2023-04-14 | 2023-05-12 | 山西省交通新技术发展有限公司 | Bridge tunnel supporting member and using method thereof |
-
2020
- 2020-08-18 CN CN202021723339.1U patent/CN213331152U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115710870A (en) * | 2022-11-03 | 2023-02-24 | 重庆交通大学 | Open cut tunnel capable of preventing debris flow |
| CN116104524A (en) * | 2023-04-14 | 2023-05-12 | 山西省交通新技术发展有限公司 | Bridge tunnel supporting member and using method thereof |
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Effective date of registration: 20240312 Address after: No. 1 Jinhua Natural Village, Yuhua Village, Zhangwu Town, Anji County, Huzhou City, Zhejiang Province, 313300 Patentee after: Huang Lijuan Country or region after: China Patentee after: Chen Yeting Patentee after: Lu Fen Address before: 718000 No.42, liangjiadi village, Yihe Town, Suide County, Yulin City, Shaanxi Province Patentee before: Zhu Hanhong Country or region before: China |
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Effective date of registration: 20240506 Address after: 317000 South side of 3rd floor, No. 217 Baiye Middle Road, Dayang Street, Linhai City, Taizhou City, Zhejiang Province (self declared) (for office use only) Patentee after: Taizhou Haili Emergency Rescue Equipment Co.,Ltd. Country or region after: China Address before: No. 1 Jinhua Natural Village, Yuhua Village, Zhangwu Town, Anji County, Huzhou City, Zhejiang Province, 313300 Patentee before: Huang Lijuan Country or region before: China Patentee before: Chen Yeting Patentee before: Lu Fen |
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