CN114457815A - Double-row bottom-expanding long-and-short combined anti-slide pile - Google Patents
Double-row bottom-expanding long-and-short combined anti-slide pile Download PDFInfo
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- CN114457815A CN114457815A CN202210091413.XA CN202210091413A CN114457815A CN 114457815 A CN114457815 A CN 114457815A CN 202210091413 A CN202210091413 A CN 202210091413A CN 114457815 A CN114457815 A CN 114457815A
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- column
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- main column
- auxiliary
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- 230000007246 mechanism Effects 0.000 claims abstract description 41
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 24
- 238000013016 damping Methods 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000001125 extrusion Methods 0.000 claims description 10
- 230000002457 bidirectional effect Effects 0.000 claims description 8
- 230000035939 shock Effects 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 claims 1
- 239000002689 soil Substances 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 4
- 230000006641 stabilisation Effects 0.000 abstract description 4
- 238000011105 stabilization Methods 0.000 abstract description 4
- 239000004575 stone Substances 0.000 abstract description 4
- 230000003139 buffering effect Effects 0.000 description 2
- 239000011120 plywood Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
- E02D17/207—Securing of slopes or inclines with means incorporating sheet piles or piles
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/23—Dune restoration or creation; Cliff stabilisation
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a double-row bottom-expanding long-short combined anti-slide pile, which comprises a main column and an auxiliary column, wherein a transverse sliding plate is movably arranged in the middle of the main column, one end of the sliding plate extends into the auxiliary column, and the other end of the sliding plate penetrates through the main column and is vertically connected with a baffle plate; the main column is a long column, a damping mechanism is arranged above the inside of the main column, a stabilizing mechanism is arranged below the main column, a pushing mechanism is arranged at the position of the baffle, the auxiliary column is a short column, and an auxiliary stabilizing mechanism is arranged inside the auxiliary column. According to the invention, the stabilization mechanism, the auxiliary stabilization mechanism, the main column and the auxiliary column are used in a matched manner, so that the slide-resistant pile is automatically reinforced in the stress process, and the stress stability of the slide-resistant pile is effectively improved; through the cooperation use between baffle, damper and the mechanism that pushes away, can cushion, unload power and push open when receiving the mud stone soil layer and assault, avoid producing violent collision to the principal post, reduce the pressure to the principal post, improve factor of safety, improve friction pile stability and durability.
Description
Technical Field
The invention relates to an anti-slide pile, in particular to a double-row bottom-expanding long-short combined anti-slide pile.
Background
The anti-slide pile penetrates through a landslide body and goes deep into a slide bed, is used for supporting and blocking the sliding force of the landslide body and playing a role in stabilizing a side slope, is suitable for the landslide of a shallow layer and a medium-thick layer, and is a main measure for anti-slide treatment. The anti-slide pile has the function of balancing the thrust of the slide body by using the resistance (anchoring force) of the stable stratum below the sliding surface of the anti-slide pile to the pile, so as to increase the stability of the anti-slide pile, and when the slide body slides downwards, the anti-slide pile is resisted, so that the slide body in front of the pile reaches a stable state. The method selects the wooden pile, the steel pile, the concrete and the reinforced concrete pile according to the thickness of the sliding body, the thrust, the waterproof requirement, the construction condition and the like.
Traditional friction pile is at the in-process that uses, and the single structure only can the unilateral support effect, can't consolidate automatically under the condition of atress, long-term the back of using, will cause the stability not enough, produces the potential safety hazard to a certain extent. Meanwhile, the falling object cannot be unloaded and pushed away, and when a certain part of the pile body is collided for a long time, the pile body can be damaged.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to provide a double-row expanded-base long-short combined slide-resistant pile capable of improving stability, self-unloading force and strengthening.
The technical scheme is as follows: the double-row bottom-expanding long-short combined anti-slide pile comprises a main column and an auxiliary column, wherein a transverse sliding plate is movably arranged in the middle of the main column, one end of the sliding plate extends into the auxiliary column, and the other end of the sliding plate penetrates through the main column and is vertically connected with a baffle plate; the main column is a long column, a damping mechanism is arranged above the inside of the main column, a stabilizing mechanism is arranged below the main column, a pushing mechanism is arranged at the position of the baffle, the auxiliary column is a short column, and an auxiliary stabilizing mechanism is arranged inside the auxiliary column.
Preferably, the stabilizing mechanism comprises a moving device and a pulley, the moving device is positioned in a stabilizing groove formed in the lower part of the main column, the upper part of the moving device is fixedly connected with the sliding plate, and the lower part of the moving device is movably connected with the inner bottom of the main column through the pulley.
Preferably, the moving device comprises a vertical moving plate, a plurality of horizontal supporting plates and bottom supporting plates are arranged on the vertical moving plate, and the end parts of the horizontal supporting plates and the bottom supporting plates are triangular.
Preferably, the inner side wall of the main column is provided with a first open slot facilitating the sliding out of the horizontal support plate.
Preferably, the auxiliary stabilizing mechanism comprises a driving screw rod and a connecting screw rod which are connected to the inner side wall of the auxiliary column, the driving screw rod and the connecting screw rod are connected through a transmission part, the driving screw rod is distributed above the inner side wall of the auxiliary column and is in transmission connection with a driving plate, and the upper part of the driving plate is fixedly connected with the sliding plate; the connecting screw rods are distributed below the inner side wall of the auxiliary column and are in transmission connection with the L-shaped push plate, and the end part of the horizontal section of the L-shaped push plate is triangular.
Preferably, the lower end of the inner side wall of the auxiliary column is provided with a second open slot facilitating the horizontal section of the L-shaped push plate to slide out.
Preferably, the transmission member is a conveyor belt.
Preferably, the damping mechanism comprises a push rod, and an extrusion plate and a spring which are positioned in an elastic groove formed in the upper portion of the main column, one end of the push rod is connected with the baffle, the other end of the push rod is connected with the extrusion plate, one end of the spring is connected with the extrusion plate, and the other end of the spring is connected with the inner wall of the elastic groove.
Preferably, the shock absorbing mechanism may be provided in a plurality of sets.
Preferably, the pushing device comprises connecting pieces arranged on two sides of the baffle and tooth plates movably connected with the baffle in a perpendicular mode, a bidirectional threaded rod is arranged between the connecting pieces, a gear is arranged at the middle of the bidirectional threaded rod, a pushing plate is arranged between the gear and the connecting pieces and is in threaded connection with the bidirectional threaded rod, one end of each tooth plate is fixed on the main column, and the other end of each tooth plate penetrates through a hollow groove formed in the baffle and is meshed with the gear.
Has the advantages that: compared with the prior art, the invention has the following remarkable advantages: 1. the stabilization mechanism, the auxiliary stabilization mechanism, the main column and the auxiliary column are matched for use, so that the slide-resistant pile is automatically reinforced in the stress process, and the stress stability of the slide-resistant pile is effectively improved; 2. through the cooperation use between baffle, damper and the mechanism that pushes away, can cushion, unload power and push open when receiving the mud stone soil layer and assault, avoid producing violent collision to the principal post, reduce the pressure to the principal post, improve factor of safety, improve friction pile stability and durability.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a rear view of FIG. 1 in accordance with the present invention;
FIG. 3 is a structural cross-sectional view of the present invention;
FIG. 4 is a cross-sectional view of the damper mechanism and the clutch mechanism of the present invention;
FIG. 5 is an enlarged view of the structure of FIG. 3A according to the present invention;
FIG. 6 is an enlarged view of the structure of FIG. 3 at B according to the present invention.
Detailed Description
The technical scheme of the invention is further explained by combining the attached drawings.
Referring to the drawings, in the drawings, 1, a main column; 2. a secondary column; 3. a sliding plate; 4. a baffle plate; 5. an elastic groove; 6. a pressing plate; 7. a spring; 8. a push rod; 9. a connecting member; 10. a bidirectional threaded rod; 11. a gear; 12. a tooth plate; 13. pushing the plywood; 14. a stabilizing slot; 15. vertically moving the plate; 16. a horizontal support plate; 17. a pulley; 18. a first open slot; 19. a second open slot; 20. driving the plate; 21. driving the screw rod; 22. a conveyor belt; 23. connecting a screw rod; 24. an L-shaped push plate; 25. a bottom support plate.
As shown in fig. 1-3, the double-row bottom-expanding long-short combined slide-resistant pile comprises a main column 1, an auxiliary column 2, a stabilizing mechanism, an auxiliary stabilizing mechanism, a damping mechanism and a pushing mechanism. The main column 1 is a long column, the auxiliary column 2 is a short column, a transverse sliding plate 3 is movably arranged in the middle of the main column 1, one end of the sliding plate 3 extends into the auxiliary column 2, and the other end of the sliding plate penetrates through the main column 1 and is connected with the baffle 4.
The stabilizing mechanism is arranged below the inner part of the main column 1 and used for reinforcing and stabilizing the stress of the side slope. The stabilizing mechanism comprises a moving device and a pulley 17, the moving device is positioned in a stabilizing groove 14 arranged at the lower part of the main column 1, the upper part of the moving device is fixedly connected with the sliding plate 3, and the lower part of the moving device is movably connected with the inner bottom of the main column 1 through the pulley 17. The moving device comprises a vertical moving plate 15, a horizontal supporting plate 16 and a bottom supporting plate 25 are fixedly arranged on the side wall of the vertical moving plate 15, the horizontal supporting plate 16 and the bottom supporting plate 25 can penetrate through a first open slot 18 formed in the side wall of the main column 1 and extend to a soil layer, a pulley 17 is arranged at the bottom of the bottom supporting plate 25, the pulley 17 facilitates the horizontal supporting plate 16 to extend out and slide, and the end part of the horizontal supporting plate 16 is triangular, so that a soil body can be conveniently pricked.
The auxiliary stabilizing mechanism is arranged inside the auxiliary column 2 and is used for being matched with a stabilizing device to reinforce and stabilize the stress of the side slope. The auxiliary stabilizing mechanism comprises a driving screw rod 21 and a connecting screw rod 23 which are connected to the inner side wall of the auxiliary column 2, the driving screw rod 21 and the connecting screw rod 23 are connected through a conveying belt 22, the driving screw rod 21 is distributed above the inner side wall of the auxiliary column 2 and is in transmission connection with a driving plate 20, the upper side of the driving plate 20 is fixedly connected with a sliding plate 3, the connecting screw rod 23 is distributed below the inner side wall of the auxiliary column 2 and is in transmission connection with an L-shaped push plate 24, the horizontal section of the L-shaped push plate 24 can penetrate out of a second open groove 19 formed in the lower end of the inner side wall of the auxiliary column 2 and extends to a soil layer, and the end part of the horizontal section of the L-shaped push plate 24 is triangular, so that a soil body can be conveniently pricked.
The damping mechanism is arranged above the inside of the main column 1 and used for damping and buffering the slope falling stress. As shown in fig. 4-5, the damping mechanism includes a push rod 8, and an extrusion plate 6 and a spring 7 located in an elastic groove 5 formed in the upper portion of the main column 1, wherein one end of the push rod 8 is connected to the baffle 4, the other end is connected to the extrusion plate 6, one end of the spring 7 is connected to the extrusion plate 6, and the other end is connected to the inner wall of the elastic groove 5; the damping mechanism sets 2 groups.
The pushing mechanism is arranged at the baffle 4 and used for pushing the sliding object to two sides. As shown in fig. 4 and 6, the pushing device comprises connecting pieces 9 arranged on two sides of the baffle 4 and tooth plates 12 movably connected with the baffle 4 vertically, two-way threaded rods 10 are arranged between the connecting pieces 9, gears 11 are arranged in the middle of the two-way threaded rods 10, pushing plates 13 are arranged between the gears 11 and the connecting pieces 9, the pushing plates 13 are in threaded connection with the two-way threaded rods 10, one ends of the tooth plates 12 are fixed on the main column 1, and the other ends of the tooth plates penetrate through empty slots formed in the baffle 4 and are meshed with the gears 11 mutually.
The double-row bottom-expanding long-and-short combined slide-resistant pile has the working principle that when a muddy stone soil layer on a mountain slides down, the baffle plate 4 is extruded, the baffle plate 4 moves towards the main column 1 to drive the sliding plate 3 to move inwards, when the sliding plate 3 moves, the moving device in the main column 1 is driven to move, the horizontal support plate 16 and the bottom support plate 25 on the moving device slide out of the first open slot 18 formed in the side wall of the main column 1 to penetrate into the soil body, and the main column 1 is stably reinforced. When the sliding plate 3 moves, the driving plate 20 in the auxiliary column 2 moves, the driving plate 20 moves to drive the screw rod 21 to rotate, when the screw rod 21 is driven to rotate, the connecting screw rod 23 is driven to rotate through the conveying belt 22, and then the L-shaped push plate 24 moves, the horizontal section of the L-shaped push plate moves out of the second open slot 19 formed in the lower end of the inner side wall of the auxiliary column 2 and moves to the bottom of the bottom supporting plate 25 of the moving device, the moving device is reinforced and stabilized, and the auxiliary column 2 is used for performing secondary stabilizing reinforcement on the main column 1.
When the damper 4 slides toward the main column 1, the push rod 8 is moved inward to push the squeeze plate 6 and compress the spring 7, thereby buffering the impact of the fall. When baffle 4 slided to main column 1 side, because gear 11 is connected with tooth dental lamina 12 meshing, make gear 11 rotate on tooth dental lamina 12, and then drive two-way threaded rod 10 and rotate, when two-way threaded rod 10 rotated, can make to push away plywood 13 and promote to both sides, pushed away the mud stone soil layer of whereabouts to both sides, reduced the pressure to main column 1. Meanwhile, under the action of the elastic force of the spring 7, the extrusion plate 6 is pushed to move outwards, so that the baffle 4 is pushed away from the main column 1 by the push rod 8 again, the sliding plate 3 is reset, and the anti-slide pile integrally returns to the original state for subsequent use.
Claims (10)
1. A double-row bottom-expanding long-and-short combined anti-slide pile comprises a main column (1) and an auxiliary column (2), and is characterized in that a transverse sliding plate (3) is movably arranged in the middle of the main column (1), one end of the sliding plate (3) extends into the auxiliary column (2), and the other end of the sliding plate (3) penetrates through the main column (1) and is vertically connected with a baffle (4); the main column (1) is a long column, the damping mechanism is arranged above the inside of the main column, the stabilizing mechanism is arranged below the main column, the pushing mechanism is arranged at the position of the baffle (4), the auxiliary column (2) is a short column, and the auxiliary stabilizing mechanism is arranged inside the auxiliary column.
2. The double-row bottom-expanding long-short combined anti-slide pile according to claim 1, characterized in that the stabilizing mechanism comprises a moving device and a pulley (17), the moving device is positioned in a stabilizing groove (14) formed in the lower part of the main column (1), the upper part of the moving device is fixedly connected with the sliding plate (3), and the lower part of the moving device is movably connected with the bottom in the main column (1) through the pulley (17).
3. The double-row bottom-expanding long-and-short combined slide pile according to claim 2, wherein the moving device comprises a vertical moving plate (15), a plurality of horizontal supporting plates (16) and bottom supporting plates (25) are arranged on the vertical moving plate (15), and the end parts of the horizontal supporting plates (16) and the bottom supporting plates (25) are triangular.
4. The double-row club-footed long and short combined anti-slide pile according to claim 2, characterized in that the inner side wall of the main column (1) is provided with a first open slot (18) for the horizontal support plate (16) to slide out.
5. The double-row bottom-expanding long-and-short combined anti-slide pile according to claim 1, wherein the secondary stabilizing mechanism comprises a driving screw rod (21) and a connecting screw rod (23) which are arranged on the inner side wall of the secondary column (2), the driving screw rod (21) and the connecting screw rod (23) are connected through a transmission part, the driving screw rod (21) is distributed above the inner side wall of the secondary column (2) and is in transmission connection with the driving plate (20), the driving plate (20) is fixedly connected with the sliding plate (3) above, the connecting screw rod (23) is distributed below the inner side wall of the secondary column (2) and is in transmission connection with the L-shaped push plate (24), and the end part of the horizontal section of the L-shaped push plate (24) is triangular.
6. The double-row club-footed long and short combined slide-resistant pile according to claim 5, characterized in that the lower end of the inner side wall of the subsidiary column (2) is provided with a second open slot (19) which is convenient for the L-shaped push plate (24) to slide out.
7. The double row club-footed long and short combined friction pile according to claim 5, characterised in that the transmission member is a conveyor belt (22).
8. The double-row bottom-expanding long-and-short combined anti-slide pile as claimed in claim 1, wherein the damping mechanism comprises a push rod (8), and an extrusion plate (6) and a spring (7) which are positioned in an elastic groove (5) formed in the upper portion of the main column (1), one end of the push rod (8) is connected with the baffle (4), the other end of the push rod is connected with the extrusion plate (6), one end of the spring (7) is connected with the extrusion plate (6), and the other end of the spring is connected with the inner wall of the elastic groove (5).
9. The double-row enlarged-base long-short combined anti-slide pile according to claim 1 or 8, wherein a plurality of groups of the shock absorption mechanisms are arranged.
10. The double-row bottom-expanding long-and-short combined anti-slide pile is characterized in that the pushing mechanism comprises connecting pieces (9) arranged on two sides of the upper end of a baffle plate (4) and tooth plates (12) vertically movably connected with the baffle plate (4), a bidirectional threaded rod (10) is arranged between the connecting pieces (9), a gear (11) is arranged in the middle of the bidirectional threaded rod (10), a pushing plate (13) is arranged between the bidirectional threaded rod (11) and the connecting pieces (9), the pushing plate (13) is in threaded connection with the bidirectional threaded rod (10), one end of each tooth plate (12) is fixed on the main column (1), and the other end of each tooth plate penetrates through a hollow groove formed in the baffle plate (4) and is meshed with the gear (11) mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210091413.XA CN114457815B (en) | 2022-01-26 | 2022-01-26 | Double-row bottom-expanding long-and-short combined anti-slide pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210091413.XA CN114457815B (en) | 2022-01-26 | 2022-01-26 | Double-row bottom-expanding long-and-short combined anti-slide pile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114457815A true CN114457815A (en) | 2022-05-10 |
| CN114457815B CN114457815B (en) | 2022-11-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210091413.XA Active CN114457815B (en) | 2022-01-26 | 2022-01-26 | Double-row bottom-expanding long-and-short combined anti-slide pile |
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| Country | Link |
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| CN (1) | CN114457815B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000073374A (en) * | 1998-09-02 | 2000-03-07 | Sakata Construction Co Ltd | Slope stabilizing method and independent slope bearing device |
| CN109235460A (en) * | 2018-09-03 | 2019-01-18 | 石家庄铁道大学 | A kind of double limbs energy consumption friction pile and its construction method |
| CN110565658A (en) * | 2019-08-27 | 2019-12-13 | 江苏省地质矿产局第三地质大队 | Double-row bottom-expanding long-short combined anti-slide pile for slope support |
| CN214573884U (en) * | 2021-01-27 | 2021-11-02 | 兰州交通大学 | H-shaped oblique cross beam shock-absorbing anti-slide pile |
| CN215211096U (en) * | 2021-05-26 | 2021-12-17 | 中交四航工程研究院有限公司 | Modular double friction pile retaining structure |
-
2022
- 2022-01-26 CN CN202210091413.XA patent/CN114457815B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000073374A (en) * | 1998-09-02 | 2000-03-07 | Sakata Construction Co Ltd | Slope stabilizing method and independent slope bearing device |
| CN109235460A (en) * | 2018-09-03 | 2019-01-18 | 石家庄铁道大学 | A kind of double limbs energy consumption friction pile and its construction method |
| CN110565658A (en) * | 2019-08-27 | 2019-12-13 | 江苏省地质矿产局第三地质大队 | Double-row bottom-expanding long-short combined anti-slide pile for slope support |
| CN214573884U (en) * | 2021-01-27 | 2021-11-02 | 兰州交通大学 | H-shaped oblique cross beam shock-absorbing anti-slide pile |
| CN215211096U (en) * | 2021-05-26 | 2021-12-17 | 中交四航工程研究院有限公司 | Modular double friction pile retaining structure |
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| Publication number | Publication date |
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| CN114457815B (en) | 2022-11-08 |
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Effective date of registration: 20230717 Address after: Room 103-067, No. 2, Lane 99, Changjiang South Road, Baoshan District, Shanghai, 2019 Patentee after: NONTEC (SHANGHAI) DETECTION TECHNOLOGY CO.,LTD. Address before: No.2, Mengxi Road, Jingkou District, Zhenjiang City, Jiangsu Province, 212008 Patentee before: JIANGSU University OF SCIENCE AND TECHNOLOGY |
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Effective date of registration: 20230808 Address after: Room 5, No. 108 Changjiang North Road, Kunshan City, Suzhou City, Jiangsu Province, 215000 (supporting room) Patentee after: Kunshan Jinhui Urban Construction Foundation Address before: Room 103-067, No. 2, Lane 99, Changjiang South Road, Baoshan District, Shanghai, 2019 Patentee before: NONTEC (SHANGHAI) DETECTION TECHNOLOGY CO.,LTD. |
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Effective date of registration: 20241010 Address after: 215000 No.108 Changjiang North Road, Zhoushi Town, Kunshan City, Suzhou City, Jiangsu Province Patentee after: Kunshan Underground Space Technology Research Institute Co.,Ltd. Country or region after: China Address before: Room 5, No. 108 Changjiang North Road, Kunshan City, Suzhou City, Jiangsu Province, 215000 (supporting room) Patentee before: Kunshan Jinhui Urban Construction Foundation Country or region before: China |