CN112177021B - Anchor pile for slope support and using method thereof - Google Patents
Anchor pile for slope support and using method thereof Download PDFInfo
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- CN112177021B CN112177021B CN202011283994.4A CN202011283994A CN112177021B CN 112177021 B CN112177021 B CN 112177021B CN 202011283994 A CN202011283994 A CN 202011283994A CN 112177021 B CN112177021 B CN 112177021B
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- 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
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- 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
- E02D5/74—Means for anchoring structural elements or bulkheads
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- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention relates to the technical field of slope protection, in particular to an anchor pile for slope support and a using method thereof. The invention aims to solve the technical problems that the expansion action of the anchor pile is limited, the anchor pile cannot be recovered and the anchor pile is damaged after forced recovery. In order to solve the technical problems, the invention provides an anchor pile for slope support, which consists of an anchor pile body, a limiting mechanism and a telescopic mechanism, wherein twelve tensile parts are radially expanded towards the outer side of the anchor pile body under the matching of a movable disc, a sleeve, the tensile parts and telescopic holes, so that the anchor pile body is integrally and firmly fastened in slope rock soil, the integral outward retreat of the anchor pile body can be prevented, the construction difficulty of slope protection engineering is reduced, the twelve tensile parts are simultaneously and respectively contracted towards the inner sides of the twelve telescopic holes through reversely rotating the limiting disc, the lateral resistance of the anchor pile body is reduced, the recovery of the anchor pile body is facilitated, and the construction efficiency is improved.
Description
Technical Field
The invention relates to the technical field of slope protection, in particular to an anchor pile for slope support and a using method thereof.
Background
In order to prevent the occurrence of geological disasters, slope management is required to be carried out to establish a supporting mechanism, wherein anti-slide piles or prestressed cables or the combination of the anti-slide piles and the prestressed cables are common supporting structures. The side slope can be divided into a landslide body and a sliding bed from outside to inside according to geological components, wherein the landslide body is also called an unstable area, the sliding bed is called a stable area, and the anti-slide piles or the prestressed cables penetrate through the landslide body to penetrate into the sliding bed and are used for supporting and retaining the sliding force of the landslide body to play a role in stabilizing the side slope.
There is a patent (publication number: CN 109881689A) that discloses an anchor pile for slope support, and at least the following problems in the prior art are not solved: 1. the existing anchoring pile enables the retaining rod to expand and tilt outwards by means of matching of the built-in shaft core and the retaining slide block, when the existing anchoring pile meets a stable area with hard soil, the pressure borne by the retaining rod is large, the existing anchoring pile is difficult to expand, the contact surface with the stable area is small, the expansion effect on a side slope is limited, the fixing effect is not ideal, 2, although the stability and the anti-sliding performance of the anchoring pile are improved, soil impurities mixed in the inner side of the outwardly-tilted retaining rod also cause that the retaining rod cannot be recycled, the recycling difficulty is increased, and therefore the construction efficiency is influenced; 3. when the arranged anchoring pile needs to be dismantled, the retaining rod on the side of the anchoring pile is extremely easy to damage in the dismantling process of the simple back-striking method, and the engineering cost is improved.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an anchor pile for slope support and a using method thereof, and solves the problems that the expansion action of the anchor pile is limited, the anchor pile cannot be recovered, and the anchor pile is damaged after forced recovery.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an anchor pile for side slope support, includes the anchor pile body, six concertina holes that run through to its inner wall are all seted up at the upper and lower both ends of anchor pile body outer wall, and anchor pile body top has seted up the stopping tooth's socket, it has stop gear to peg graft in the stopping tooth's socket, and two bolt fixed connection are passed through at stop gear and the top of anchor pile body, fixedly connected with anchor rod in the stop gear, and anchor rod activity peg graft at the anchor pile originally internally, two gear posts have been cup jointed to the anchor rod last fixed, and have cup jointed telescopic machanism all in the activity on two gear posts, and the interior swing joint of telescopic machanism has six tensile parts.
Preferably, the limiting mechanism comprises a limiting disc, the limiting disc is inserted into the stopping tooth groove, a groove is formed in one side of the limiting disc, a first pawl is movably inserted into the groove and fixedly connected with one side of the inner wall of the groove through a first spring, the first pawl is clamped with the stopping tooth groove, a ratchet gear, two second pawls and two second springs are movably connected to the top of the inner wall of the upper half end of the limiting disc, the other ends of the two second springs are fixedly connected with the bottom end of the second pawl respectively, the two second pawls are clamped with the two sides of the ratchet gear respectively, an operating disc is fixedly connected to the top of the ratchet gear, and the top end of the anchoring rod penetrates through the limiting disc and is fixedly connected with the bottom of the ratchet gear above the limiting disc.
Preferably, telescopic machanism includes the sleeve, and the sleeve activity cup joints on the gear post, the activity cup joints the activity dish in the sleeve, and telescopic bottom sets up the first spout that runs through to its top, the second spout that runs through to its bottom is seted up at the top of activity dish, six through-holes that run through to its inner wall are seted up to the sleeve outer wall, six tensile part activity grafting is in six through-holes respectively.
Preferably, the edge of the top of the anchor pile body is provided with screw holes matched with the bolts, and the number of the screw holes is not less than twelve.
Preferably, the number of the first sliding grooves is six, the six first sliding grooves are radially formed in the bottom of the sleeve by taking the circle center of the sleeve as an axis, and the bottom ends of the six tensile components are respectively connected in the six first sliding grooves in a sliding mode.
Preferably, the number of the second sliding grooves is six, the six second sliding grooves are radially formed in the bottoms of the six second sliding grooves by taking the circle center of the movable disc as an axis, and the top ends of the six tensile parts are respectively connected in the six second sliding grooves in a sliding mode.
Preferably, the bottom surface of activity dish is seted up and is run through to its top and with gear post matched with perforation, telescopic bottom surface is seted up and is run through to the round hole at its top, and the diameter of round hole is 1.1 times of gear post diameter.
A use method of an anchor pile for slope support comprises the following steps:
s1, firstly, the anchor pile body is arranged in a side slope pile hole, then the operation plate is rotated, the ratchet gear and the anchor rod are rotated simultaneously, the anchor rod drives the two movable plates to rotate simultaneously through the gear column, under the cooperation of the first sliding groove and the second sliding groove, six tensile parts are pushed to expand towards the outer side of the telescopic hole, the tensile parts are inserted into rock soil in a side slope stable area, under the cooperation of the ratchet gear, the second pawl and the second spring, the anchor rod is positioned to avoid reverse rotation, and the backspacing phenomenon is prevented from occurring under the action of external factors of the anchor rod.
S2, when the anchor pile body needs to be disassembled, the two bolts are disassembled, the limiting discs are reversely rotated, the anchor rod drives the two movable discs to rotate through the gear column, the twelve tensile parts are contracted towards the inner sides of the twelve telescopic holes simultaneously, the anchor pile body is convenient to recycle, and the bolts are reset after being recycled so as to be put into next use.
(III) advantageous effects
The invention provides an anchor pile for slope support and a using method thereof, and the anchor pile has the following beneficial effects:
(1) this anchor pile for slope support passes through under the cooperation of activity dish, sleeve, tensile part and telescopic hole, makes twelve tensile parts radially expand to the anchor pile body outside to make the whole fastening of anchor pile body firmly in the slope ground, and can prevent that the whole external moving back of anchor pile body reduces the construction degree of difficulty of side slope protection engineering.
(2) This anchor pile for side slope support passes through the concertina hole that anchor pile body outer wall was seted up, makes tensile part and anchor pile body be the vertical state setting, through the spacing dish of antiport, makes twelve tensile parts shrink to the inboard in twelve concertina holes respectively simultaneously, reduces the avris resistance of anchor pile body to make things convenient for the recovery of anchor pile body, thereby improved the efficiency of construction.
(3) This anchor pile for slope support passes through recoverable tensile component's setting to guarantee that the stock can drop into operation once more after retrieving, save construction cost, and spacing dish has great surface area, and it improves bolt threaded connection with the anchor pile body, has increased the guard action on anchor pile surface.
Drawings
FIG. 1 is a side cross-sectional view of a structure of the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is a top cross-sectional view of the ratchet-gear of the present invention;
FIG. 4 is a bottom cross-sectional view of a structural sleeve of the present invention;
FIG. 5 is a top sectional view of the structural movable disk of the present invention
FIG. 6 is a top sectional view of the anti-backup tooth slot of the present invention.
In the figure: 1. an anchor pile body; 2. a telescopic hole; 3. a backstop tooth socket; 4. a limiting mechanism; 401. a limiting disc; 402. a groove; 403. a first pawl; 404. a first spring; 405. a ratchet gear; 406. a second pawl; 407. a second spring; 408. an operation panel; 5. a bolt; 6. an anchoring rod; 7. a gear post; 8. a telescoping mechanism; 801. a sleeve; 802. a movable tray; 803. a first chute; 804. a second chute; 805. a through hole; 9. a tensile member.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, an anchor pile for slope supporting, an anchor pile body 1, six telescopic holes 2 penetrating through an inner wall of the anchor pile body 1 are respectively formed at upper and lower ends of an outer wall of the anchor pile body 1, a stopping tooth groove 3 is formed in the top of the anchor pile body 1, a limiting mechanism 4 is inserted in the stopping tooth groove 3, the limiting mechanism 4 is fixedly connected with the top of the anchor pile body 1 through two bolts 5, an anchoring rod 6 is fixedly connected in the limiting mechanism 4, the anchoring rod 6 is movably inserted in the anchor pile body 1, two gear columns 7 are fixedly sleeved on the anchoring rod 6, a telescopic mechanism 8 is movably sleeved on each gear column 7, and six tensile parts 9 are movably connected in the telescopic mechanism 8.
In the invention, the limiting mechanism 4 comprises a limiting disc 401, the limiting disc 401 is inserted into the backstop tooth groove 3, one side of the limiting disc 401 is provided with a groove 402, a first pawl 403 is movably inserted into the groove 402, the first pawl 403 is fixedly connected with one side of the inner wall of the groove 402 through a first spring 404, the first pawl 403 is clamped with the backstop tooth groove 3, the top of the inner wall of the upper half end of the limiting disc 401 is movably connected with a ratchet wheel 405, two second pawls 406 and two second springs 407, the other ends of the two second springs 407 are fixedly connected with the bottom end of the second pawl 406 respectively, the two second pawls 406 are clamped with two sides of the ratchet wheel 405 respectively, the top of the ratchet wheel 405 is fixedly connected with an operating disc 408, and the top end of the anchoring rod 6 penetrates through the limiting disc 401 and is fixedly connected with the bottom of the ratchet wheel 405 above the limiting disc.
In the invention, the telescopic mechanism 8 comprises a sleeve 801, the sleeve 801 is movably sleeved on the gear column 7, a movable disc 802 is movably sleeved in the sleeve 801, a first chute 803 penetrating to the top of the sleeve 801 is formed in the bottom of the sleeve 801, a second chute 804 penetrating to the bottom of the movable disc 802 is formed in the top of the movable disc 802, six through holes 805 penetrating to the inner wall of the sleeve 801 are formed in the outer wall of the sleeve 801, and six tensile parts 9 are respectively movably inserted in the six through holes 805.
In the invention, screw holes matched with the bolts 5 are formed in the edge of the top of the anchor pile body 1, the number of the screw holes is not less than twelve, and the bolts 5 can be matched in the corresponding screw holes for installation.
In the invention, the number of the first sliding grooves 803 is six, the six first sliding grooves 803 are radially arranged at the bottom of the sleeve 801 by taking the circle center of the sleeve as an axis, the bottom ends of the six tensile parts 9 are respectively connected in the six first sliding grooves 803 in a sliding manner, the end parts of the tensile parts 9 are in a conical structure, so that the soil layer can be broken for fixing, and the installation efficiency is further improved.
In the present invention, the number of the second sliding grooves 804 is six, and the six second sliding grooves 804 are radially formed at the bottom of the movable disk 802 by taking the center of the circle as the axis, and the top ends of the six tensile members 9 are respectively slidably connected in the six second sliding grooves 804.
In the invention, the bottom surface of the movable disc 802 is provided with a tooth hole which penetrates to the top of the movable disc and is matched with the gear column 7, the bottom surface of the sleeve 801 is provided with a round hole which penetrates to the top of the sleeve, and the diameter of the round hole is 1.1 times of that of the gear column 7.
The invention expands twelve tensile parts 9 radially to the outside of the anchor pile body 1 through the cooperation of the movable disc 802, the sleeve 801, the tensile parts 9 and the telescopic holes 2, thereby firmly fastening the anchor pile body 1 in the slope rock soil integrally, preventing the anchor pile body 1 from moving outwards integrally, reducing the construction difficulty of slope protection engineering, arranging the tensile parts 9 and the anchor pile body 1 in a vertical state through the telescopic holes 2 arranged on the outer wall of the anchor pile body 1, respectively contracting the twelve tensile parts 9 to the inside of the twelve telescopic holes 2 simultaneously through reversely rotating the limiting disc 401, reducing the side resistance of the anchor pile body 1, thereby facilitating the recovery of the anchor pile body 1, improving the construction efficiency, ensuring that the anchor rod can be put into use again after being recovered through the arrangement of the recoverable tensile parts 9, saving the construction cost, and the limiting disc 401 has larger surface area, the bolt 5 is in threaded connection with the anchor pile body 1, so that the protection effect on the surface of the anchor pile is increased.
A use method of an anchor pile for slope support comprises the following steps:
s1, firstly, the anchor pile body 1 is placed in a side slope pile hole, then the operation plate 408 is rotated, the ratchet gear 405 and the anchor rod 6 are simultaneously rotated, the anchor rod 6 simultaneously drives the two movable plates 802 to rotate through the gear post 7, under the cooperation of the first sliding groove 803 and the second sliding groove 804, the six tensile parts 9 are pushed to expand towards the outer side of the telescopic hole 2, the tensile parts 9 are inserted into rock soil of a side slope stable area, under the cooperation of the ratchet gear 405, the second pawl 406 and the second spring 407, the anchor rod 6 is positioned to avoid reverse rotation, and the phenomenon of retraction under the action of external factors of the anchor rod 6 is prevented.
S2, when the anchor pile body 1 needs to be disassembled, the two bolts 5 are disassembled, the limiting disc 401 is reversely rotated, the anchor rod 6 drives the two movable discs 802 to rotate through the gear column 7, the twelve tensile parts 9 are made to contract towards the inner sides of the twelve telescopic holes 2 simultaneously, the anchor pile body 1 is convenient to recycle, and the bolts 5 are reset after recycling and can be put into next use.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an anchor pile for slope support, includes anchor pile body (1), its characterized in that: the anchor pile comprises an anchor pile body (1), wherein six telescopic holes (2) penetrating through the inner wall of the anchor pile body are formed in the upper end and the lower end of the outer wall of the anchor pile body (1), a stopping tooth groove (3) is formed in the top of the anchor pile body (1), a limiting mechanism (4) is inserted in the stopping tooth groove (3), the limiting mechanism (4) is fixedly connected with the top of the anchor pile body (1) through two bolts (5), an anchoring rod (6) is fixedly connected in the limiting mechanism (4), the anchoring rod (6) is movably inserted in the anchor pile body (1), two gear columns (7) are fixedly sleeved on the anchoring rod (6), telescopic mechanisms (8) are movably sleeved on the two gear columns (7), and six tensile parts (9) are movably connected in the telescopic mechanisms (8);
the limiting mechanism (4) comprises a limiting disc (401), the limiting disc (401) is inserted into the backstop tooth groove (3), a groove (402) is formed in one side of the limiting disc (401), a first pawl (403) is movably inserted into the groove (402), the first pawl (403) is fixedly connected with one side of the inner wall of the groove (402) through a first spring (404), the first pawl (403) is clamped with the backstop tooth groove (3), the top of the inner wall of the upper half end of the limiting disc (401) is movably connected with a ratchet wheel (405), two second pawls (406) and two second springs (407), the other ends of the two second springs (407) are fixedly connected with the bottom ends of the second pawls (406), the two second pawls (406) are respectively clamped with the two sides of the ratchet wheel (405), an operating disc (408) is fixedly connected with the top of the ratchet wheel (405), the top end of the anchoring rod (6) penetrates through the limiting disc (401) and is fixedly connected with the bottom of the ratchet wheel (405) above the limiting disc;
telescopic machanism (8) include sleeve (801), and sleeve (801) activity cup joints on gear post (7), activity cup joints activity dish (802) in sleeve (801), and the bottom of sleeve (801) is seted up and is run through first spout (803) to its top, second spout (804) to its bottom are seted up to running through to the top of activity dish (802), six through-holes (805) to its inner wall are seted up to sleeve (801) outer wall, six tensile part (9) activity grafting respectively is in six through-holes (805).
2. The anchor pile for slope support according to claim 1, characterized in that: screw holes matched with the bolts (5) are formed in the edge of the top of the anchor pile body (1), and the number of the screw holes is not less than twelve.
3. The anchor pile for slope support according to claim 1, characterized in that: the number of the first sliding grooves (803) is six, the six first sliding grooves (803) are radially arranged at the bottom of the sleeve (801) by taking the circle center of the sleeve as an axis, and the bottom ends of the six tensile components (9) are respectively connected in the six first sliding grooves (803) in a sliding mode.
4. The anchor pile for slope support according to claim 1, characterized in that: the number of the second sliding grooves (804) is six, the six second sliding grooves (804) are radially arranged at the bottom of the movable disc (802) by taking the circle center of the movable disc as an axis, and the top ends of the six tensile parts (9) are respectively connected in the six second sliding grooves (804) in a sliding mode.
5. The anchor pile for slope support according to claim 1, characterized in that: the bottom surface of activity dish (802) is seted up and is run through to its top and with gear post (7) matched with perforation, the round hole that runs through to its top is seted up to the bottom surface of sleeve (801), and the diameter of round hole is 1.1 times of gear post (7) diameter.
6. The use method of the anchor pile for slope support according to claim 1, comprising the steps of:
s1, firstly, arranging an anchor pile body (1) in a side slope pile hole, then rotating an operation plate (408), enabling a ratchet gear (405) and an anchor rod (6) to rotate simultaneously, enabling the anchor rod (6) to drive two movable plates (802) to rotate simultaneously through a gear column (7), and under the cooperation of a first sliding groove (803) and a second sliding groove (804), pushing six tensile parts (9) to expand towards the outer side of a telescopic hole (2), enabling the tensile parts (9) to be inserted into rock soil of a side slope stable area, positioning the anchor rod (6) to avoid reverse rotation under the cooperation of the ratchet gear (405), a second pawl (406) and a second spring (407), and preventing the anchor rod (6) from retracting under the action of external factors;
s2, when the anchor pile body (1) needs to be dismantled, two bolts (5) are dismantled, the limiting disc (401) is reversely rotated, the anchor rod (6) simultaneously drives the two movable discs (802) to rotate through the gear column (7), the twelve tensile parts (9) simultaneously contract towards the inner sides of the twelve telescopic holes (2) respectively, the anchor pile body (1) is convenient to recycle, and the bolts (5) can be reset to be put into the next use after recycling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011283994.4A CN112177021B (en) | 2020-11-17 | 2020-11-17 | Anchor pile for slope support and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011283994.4A CN112177021B (en) | 2020-11-17 | 2020-11-17 | Anchor pile for slope support and using method thereof |
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| Publication Number | Publication Date |
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| CN112177021A CN112177021A (en) | 2021-01-05 |
| CN112177021B true CN112177021B (en) | 2021-11-02 |
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| CN202011283994.4A Active CN112177021B (en) | 2020-11-17 | 2020-11-17 | Anchor pile for slope support and using method thereof |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113339034B (en) * | 2021-07-07 | 2023-06-20 | 六盘水师范学院 | Intelligent anchor rod suitable for tunnel support and stability measurement |
| CN113529723B (en) * | 2021-08-17 | 2023-01-03 | 浙江钱塘江水利建筑工程有限公司 | Underwater cast-in-place pile pipe shaking equipment |
| CN114319349B (en) * | 2021-11-30 | 2023-08-08 | 盐城嘉和五金制造有限公司 | Wooden house anchoring device |
| CN114673180B (en) * | 2022-04-24 | 2023-10-03 | 江西师范高等专科学校 | Geotechnical engineering side slope support of high stability |
| CN114892598B (en) * | 2022-06-10 | 2023-04-25 | 重庆第二师范学院 | Slope protection device and construction method |
| CN115162374B (en) * | 2022-07-12 | 2023-09-26 | 四川省公路规划勘察设计研究院有限公司 | Multi-layer sliding surface landslide support structure |
| CN115030199B (en) * | 2022-07-29 | 2023-08-04 | 应急管理部国家自然灾害防治研究院 | Toughness energy consumption reinforcing device for earthquake induced tunnel portal slope collapse |
| CN115354675B (en) * | 2022-09-13 | 2023-09-08 | 福建金鼎建筑发展有限公司 | Reinforced side slope structure |
| CN115899505A (en) * | 2022-12-13 | 2023-04-04 | 云南电网有限责任公司电力科学研究院 | Open-air monitoring devices's installing support |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007053893A1 (en) * | 2005-11-09 | 2007-05-18 | Sandvik Intellectual Property Ab | Self drilling rock bolt |
| US20100277290A1 (en) * | 2009-03-18 | 2010-11-04 | Knudsen N Eric | Post sleeve assembly |
| KR100939811B1 (en) * | 2009-05-13 | 2010-02-02 | 준이앤씨(주) | Grid fixing system |
| CN204401635U (en) * | 2015-01-16 | 2015-06-17 | 重庆工商职业学院 | There is the slope retaining net of thorn-like pole |
| CN207526514U (en) * | 2017-12-08 | 2018-06-22 | 吉林大学 | A kind of drilling hollow grouting anchor pole certainly suitable for rock mass large scale structural system |
| CN209652951U (en) * | 2019-01-22 | 2019-11-19 | 四川思络普防护网工程有限公司 | A kind of anchor pole suitable for passive protection net |
| CN210031841U (en) * | 2019-04-01 | 2020-02-07 | 宁波冶金勘察设计研究股份有限公司 | Side slope supporting structure |
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