CN108018862B - Flexible foundation component applicable to passive protective net and convenient to patrol - Google Patents
Flexible foundation component applicable to passive protective net and convenient to patrol Download PDFInfo
- Publication number
- CN108018862B CN108018862B CN201810027960.5A CN201810027960A CN108018862B CN 108018862 B CN108018862 B CN 108018862B CN 201810027960 A CN201810027960 A CN 201810027960A CN 108018862 B CN108018862 B CN 108018862B
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- China
- Prior art keywords
- bottom plate
- connecting piece
- hole
- anchor rod
- upper bottom
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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
-
- 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
- E02D17/202—Securing of slopes or inclines with flexible securing means
-
- 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
- E02D5/76—Anchorings for bulkheads or sections thereof in as much as specially adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/20—Miscellaneous comprising details of connection between elements
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/30—Miscellaneous comprising anchoring details
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (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)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The invention discloses a flexible foundation component which is suitable for a passive protective net and is convenient for inspection, and comprises a lower bottom plate, an upper bottom plate, an elastic component and a reading component, wherein the upper bottom plate is opposite to the lower bottom plate; the center of the lower bottom plate is provided with a third through hole, the upper bottom plate is provided with at least three second through holes, each second through hole is internally penetrated with a connecting piece with one end connected to the lower bottom plate, and the other ends of all the connecting pieces are intensively arranged above the upper bottom plate; a third connecting piece with one end connected to the center of the upper bottom plate is arranged in the third through hole in a penetrating way; the other end of the third connecting piece is connected with a basic fixing piece. When the passive protective net is impacted, the distance between the upper bottom plate and the lower bottom plate is reduced, the elastic component starts to absorb energy and buffer the impact received by the foundation fixing piece, so that the stability of the foundation fixing piece in rock and soil is effectively improved, and the flexibility and the impact resistance of the passive protective net are further improved.
Description
Technical Field
The invention relates to the field of passive protection nets, in particular to a flexible foundation component which is suitable for the passive protection net and is convenient to patrol.
Background
The passive protection net is composed of four main parts of a steel wire net or an annular net (a layer of iron wire grille is added when small falling rocks need to be intercepted), a fixing system (an anchor rod, an anchor blocking rope, a base and a supporting rope), a pressure reducing ring and a steel column, and is mainly used for preventing falling of collapse rock soil and playing a role in slope protection. And the existing passive protective net cannot directly check the stress state of the protective net, so that the protective net is inconvenient to patrol and has very high potential safety hazard.
Disclosure of Invention
Aiming at the defects in the prior art, the flexible foundation component which is suitable for the passive protective net and is convenient for inspection provided by the invention solves the problem that the existing fixing system is in rigid contact and is easy to damage due to insufficient impact resistance.
In order to achieve the aim of the invention, the invention adopts the following technical scheme:
the flexible foundation component comprises a lower base plate, an upper base plate, a reading component and an elastic component, wherein the upper base plate is opposite to the lower base plate, the reading component is arranged on the lower base plate and the upper base plate, and the elastic component is connected between the lower base plate and the upper base plate; the center of the lower bottom plate is provided with a third through hole, the upper bottom plate is provided with at least three second through holes, each second through hole is internally penetrated with a connecting piece with one end connected to the lower bottom plate, and the other ends of all the connecting pieces are intensively arranged above the upper bottom plate; a third connecting piece with one end connected to the center of the upper bottom plate is arranged in the third through hole in a penetrating way; the other end of the third connecting piece is connected with a basic fixing piece.
Further, the lower bottom plate and the upper bottom plate are both arranged in a round shape; the number of the second through holes is three, the distance between every two second through holes is equal, and the distance between the center points of the bottom plates of the second through holes Kong Zhishang is equal; the connecting piece includes first connecting piece, second connecting piece and the fourth connecting piece of wearing to establish respectively in the second through-hole.
Further, a first through hole is formed in the center of the upper bottom plate, and a limiting part connected with the third connecting piece is arranged on the first through hole; the lower bottom plate is provided with three fourth through holes which are in one-to-one correspondence with the second through holes; the lower extreme of every fourth through-hole all is provided with the spacing part that is connected with first connecting piece, second connecting piece and fourth connecting piece respectively.
Further, the first connecting piece, the second connecting piece, the third connecting piece and the fourth connecting piece are all steel wire ropes; the limiting component comprises a screw cap and a threaded column matched with the screw cap, a square block head is arranged at the upper end of the threaded column, and a fifth through hole for penetrating the steel wire rope is formed in the central axis of the threaded column and the central axis of the square block head.
Further, the reading part comprises a pointer arranged on the lower bottom plate and a shell arranged on the upper bottom plate, wherein the shell is made of transparent materials, and scales matched with the pointer are arranged on the shell.
Further, the other ends of the first connecting piece, the second connecting piece and the fourth connecting piece are intensively arranged right above the central point of the upper bottom plate and are connected with the anchor pulling ropes.
Further, the foundation fixing piece is an anchor rod, the anchor rod comprises an anchor rod body, a drill bit is arranged at the front end of the anchor rod body, threads are arranged on the outer side surface of the anchor rod body, and grouting channels which are axially distributed are arranged in the anchor rod body; the rear end of the drill bit is provided with a slurry outlet communicated with the slurry injection channel; the outer side surfaces of the anchor rod body and the drill bit are provided with exhaust grooves; the tail part of the anchor rod body is provided with a rope clip.
Further, a nut is arranged on the anchor rod body, a backing plate is arranged at the front end of the nut, and a grout stop plug is arranged at the front end of the backing plate.
Further, butter for waterproofing is arranged in each second through hole.
The beneficial effects of the invention are as follows:
1. according to the invention, the elastic component is arranged between the upper bottom plate and the lower bottom plate, the upper bottom plate is connected with the foundation fixing piece, the lower bottom plate is connected with the anchor pulling rope, when the passive protection net is impacted, the distance between the upper bottom plate and the lower bottom plate is reduced, the elastic component starts to absorb energy, the impact on the foundation fixing piece is buffered, and the stability of the foundation fixing piece in rock soil is effectively improved.
2. The first connecting piece, the second connecting piece and the fourth connecting piece are equidistantly arranged, so that force is distributed more uniformly when the first connecting piece, the second connecting piece and the fourth connecting piece pull the lower bottom plate, and the stability of the system is improved.
3. The nut of spacing part is used for contacting with lower plate or upper plate, effectively increases area of contact, and wire rope can pass the screw thread post and guarantee through the mode of knoing that wire rope can not the pullback, through adjusting the height of screw thread post in the nut for it can eliminate the clearance between node and the screw thread post when wire rope knots, and square head is convenient for the rotation of screw thread post, also can prevent simultaneously that the screw thread post from wearing out the nut, and then guarantees spacing effect of spacing part.
4. The anchor rod adopted by the invention can be tightly meshed with the rock mass through the threads, the backing plate and the nut are used for increasing the axial tension of the anchor rod, and the slurry with high permeability is adopted for grouting, so that the reinforcement strength of the anchor rod on the rock mass structure is reduced; the slurry outlet is arranged on the outer side surface of the rear end of the drill bit, so that slurry can reach the bottom of the rock hole and move outwards from the bottom, and the original air in the rock hole is fully discharged, so that the slurry fills the whole rock hole; along with rising of the slurry, the air in the rock hole can be gradually discharged by the air discharge groove, so that air bubbles are prevented from remaining in the rock hole, and the firmness of combining the anchor rod with rock soil is improved.
5. The reading component arranged in the invention can reflect the distance change condition between the upper bottom plate and the lower bottom plate through the scale on the pointer and the shell, and when a patrol personnel carries out patrol, the stress condition of the component can be accurately known through the change condition of the scale, and the passive protection net is repaired by comparing with the preset threshold value, so that the risk caused by the excessive stress of the passive protection net is prevented, and the patrol personnel is facilitated to eliminate the risk. The casing is made by transparent material for the personnel of patrolling and examining can directly see the inside condition of flexible basic part when patrolling and examining, and the inside that the setting of casing and butter made whole flexible basic part can not receive the erosion of rainwater, effectively protects whole flexible basic part's performance, improves life.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic structural view of a limiting member;
FIG. 3 is a front view of the base fixture;
fig. 4 is a right side view of the base fixture.
Wherein: 1. a lower base plate; 2. an upper base plate; 3. an elastic member; 4. a base fixing member; 5. pulling an anchor rope; 6. a first through hole; 7. a second through hole; 8. a limiting member; 9. a first connector; 10. a second connector; 11. a third connecting member; 12. a third through hole; 13. a fourth through hole; 14. a fourth connecting member; 15. a drill bit; 16. a slurry outlet; 17. an exhaust groove; 18. an anchor body; 19. grouting channels; 20. a thread; 21. a coupling sleeve; 22. a grout stop plug; 23. a backing plate; 24. a nut; 25. rope clip; 26. a screw cap; 27. a threaded column; 28. a block head; 29. a fifth through hole; 30. a pointer; 31. a housing.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and all the inventions which make use of the inventive concept are protected by the spirit and scope of the present invention as defined and defined in the appended claims to those skilled in the art.
As shown in fig. 1, the flexible foundation member suitable for the passive protection network and convenient for inspection comprises a lower base plate 1, an upper base plate 2 opposite to the lower base plate 1, reading members arranged on the lower base plate 1 and the upper base plate 2, and an elastic member 3 connected between the lower base plate 1 and the upper base plate 2; the center of the lower bottom plate 1 is provided with a third through hole 12, the upper bottom plate 2 is provided with at least three second through holes 7, each second through hole 7 is internally penetrated with a connecting piece with one end connected to the lower bottom plate 1, and the other ends of all the connecting pieces are intensively arranged above the upper bottom plate 2; a third connecting piece 11 with one end connected to the center of the upper bottom plate 2 is arranged in the third through hole 12 in a penetrating way; the other end of the third connecting member 11 is connected with a base fixing member 4.
The lower bottom plate 1 and the upper bottom plate 2 are both round; the number of the second through holes 7 is three, the distance between each second through hole 7 is equal, and the distance between each second through hole 7 and the center point of the upper bottom plate 2 is equal; the connection members include a first connection member 9, a second connection member 10 and a fourth connection member 14 respectively penetrating in the second through hole 7.
A first through hole 6 is arranged at the central position of the upper bottom plate 2, and a limiting part 8 connected with a third connecting piece 11 is arranged on the first through hole 6; three fourth through holes 13 which are in one-to-one correspondence with the second through holes 7 are arranged on the lower bottom plate 1; the lower end of each fourth through hole 13 is provided with a limiting part 8 connected with the first connecting piece 9, the second connecting piece 10 and the fourth connecting piece 14 respectively.
The first connecting piece 9, the second connecting piece 10, the third connecting piece 11 and the fourth connecting piece 14 are all steel wire ropes; as shown in fig. 2, the limiting member 8 comprises a nut 26 and a threaded column 27 matched with the nut 26, a square head 28 is arranged at the upper end of the threaded column 27, and a fifth through hole 29 for threading a steel wire rope is arranged at the central axis of the threaded column 27 and the square head 28.
The reading part comprises a pointer 30 arranged on the lower base plate 1 and a shell 31 arranged on the upper base plate 2, wherein the shell 31 is made of transparent materials, and scales matched with the pointer 30 are arranged on the shell 31.
The other ends of the first, second and fourth connection members 9, 10 and 14 are centrally disposed just above the center point of the upper base plate 2 and connected to the anchor line 5.
The foundation fixing piece 4 is an anchor rod, as shown in fig. 3 and 4, the anchor rod comprises an anchor rod body 18, a drill bit 15 is arranged at the front end of the anchor rod body 18, threads 20 are arranged on the outer side surface of the anchor rod body 18, and grouting channels 19 which are axially distributed are arranged in the anchor rod body 18; the rear end of the drill bit 15 is provided with a grouting port 16 communicated with a grouting channel 19; the outer side surfaces of the anchor rod body 18 and the drill bit 15 are provided with exhaust grooves 17; the tail of the anchor body 18 is provided with a rope clip 25.
The anchor body 18 is provided with a nut 24, the front end of the nut 24 is provided with a backing plate 23, and the front end of the backing plate 23 is provided with a grout stop 22.
In one embodiment of the present invention, the housing 31 and the upper base plate 2 are integrally formed, and the upper base plate 2 has a larger size than the lower base plate 1, and the scale on the housing 31 is arranged in a circumference shape, so that any position of the housing 31 can be matched with the pointer 30; butter for waterproofing is arranged in the first through hole 6 and each second through hole 7. The elastic member 3 may employ a spring; the drill bit 15 and the rope clamp 25 of the anchor rod are connected with the anchor rod body 18 through the screw thread 20, if the length of a single anchor rod is insufficient to meet the construction requirement, the rope clamp 25 can be detached from the anchor rod at the front end of the connection of the two anchor rods through the connecting sleeve 21, the drill bit 15 can be connected in a matched mode after the anchor rod at the rear end is detached from the drill bit 15 and the rope clamp 25, grouting channels 19 of the two anchor rods can be matched with each other after the drill bit 15 and the rope clamp 25 are detached from each other, and the connecting sleeve 21 and the related connection technology are common knowledge of related technicians in the field and are not repeated one by one.
When the flexible base part is installed and used, the stress compression length threshold value a (the smallest of the two stress thresholds and the corresponding stress compression length threshold value is calculated according to Hooke's law) of the flexible base part is calculated according to the stress threshold value of the passive protective net and the stress threshold value of the base fixing part 4 and the elastic modulus of the elastic part 3, if the scale range of the pointer 30 of the passive protective net after being stressed is between b-a and b+a, the passive protective net and the base fixing part 4 are in a safe state, and the closer the scale b-a or b+a is, the more and more deviated the safe state is; if the scale range of the pointer 30 is not between b-a and b+a after the passive protection network is stressed, the passive protection network or the flexible foundation component is abnormal or in an unsafe state, and timely maintenance is needed.
In summary, the elastic component 3 is arranged between the upper base plate 2 and the lower base plate 1, the upper base plate 2 is connected with the foundation fixing piece 4, the lower base plate 1 is connected with the passive protection net, when the passive protection net is impacted, the distance between the upper base plate 2 and the lower base plate 1 is reduced, the elastic component 3 starts to absorb energy, the impact of the passive protection net on the foundation fixing piece 4 is buffered, the stability of the foundation fixing piece 4 in rock soil is effectively improved, and the stability of the passive protection net is further improved.
Claims (4)
1. Flexible basic part suitable for passive protection network and be convenient for patrol and examine, its characterized in that: comprises a lower bottom plate (1), an upper bottom plate (2) opposite to the lower bottom plate (1), reading parts arranged on the lower bottom plate (1) and the upper bottom plate (2), and an elastic part (3) connected between the lower bottom plate (1) and the upper bottom plate (2); the center of the lower bottom plate (1) is provided with a third through hole (12), the upper bottom plate (2) is provided with at least three second through holes (7), each second through hole (7) is internally provided with a connecting piece with one end connected to the lower bottom plate (1) in a penetrating way, and the other ends of all the connecting pieces are arranged above the upper bottom plate (2) in a concentrated way; a third connecting piece (11) with one end connected to the center of the upper bottom plate (2) is arranged in the third through hole (12) in a penetrating way; the other end of the third connecting piece (11) is connected with a basic fixing piece (4);
the lower bottom plate (1) and the upper bottom plate (2) are both arranged in a round shape; the number of the second through holes (7) is three, the distance between each second through hole (7) is equal, and the distance between each second through hole (7) and the center point of the upper bottom plate (2) is equal; the connecting pieces comprise a first connecting piece (9), a second connecting piece (10) and a fourth connecting piece (14) which are respectively penetrated in the second through hole (7);
a first through hole (6) is formed in the center of the upper bottom plate (2), and a limiting part (8) connected with the third connecting piece (11) is arranged on the first through hole (6); three fourth through holes (13) which are in one-to-one correspondence with the second through holes (7) are formed in the lower bottom plate (1); the lower end of each fourth through hole (13) is provided with a limiting part (8) which is respectively connected with the first connecting piece (9), the second connecting piece (10) and the fourth connecting piece (14);
the first connecting piece (9), the second connecting piece (10), the third connecting piece (11) and the fourth connecting piece (14) are all steel wire ropes; the limiting component (8) comprises a screw cap (26) and a threaded column (27) matched with the screw cap (26), a square head (28) is arranged at the upper end of the threaded column (27), and a fifth through hole (29) for penetrating the steel wire rope is formed in the central axis of the threaded column (27) and the central axis of the square head (28);
the other ends of the first connecting piece (9), the second connecting piece (10) and the fourth connecting piece (14) are intensively arranged right above the center point of the upper bottom plate (2) and are connected with the anchor pulling rope (5);
the foundation fixing piece (4) is an anchor rod, the anchor rod comprises an anchor rod body (18), a drill bit (15) is arranged at the front end of the anchor rod body (18), threads (20) are arranged on the outer side surface of the anchor rod body (18), and grouting channels (19) which are axially distributed are arranged in the anchor rod body (18); the rear end of the drill bit (15) is provided with a slurry outlet (16) communicated with the slurry injection channel (19); the outer side surfaces of the anchor rod body (18) and the drill bit (15) are provided with exhaust grooves (17); the tail part of the anchor rod body (18) is provided with a rope clip (25).
2. The flexible foundation component adapted for passive protection network and for ease of inspection as set forth in claim 1, wherein: the reading part comprises a pointer (30) arranged on the lower base plate (1) and a shell (31) arranged on the upper base plate (2), wherein the shell (31) is made of transparent materials, and scales matched with the pointer (30) are arranged on the shell (31).
3. The flexible foundation component adapted for passive protection network and for ease of inspection as set forth in claim 1, wherein: the anchor rod is characterized in that a nut (24) is arranged on the anchor rod body (18), a base plate (23) is arranged at the front end of the nut (24), and a grout stop plug (22) is arranged at the front end of the base plate (23).
4. A flexible foundation element adapted for use in a passive protection network and for ease of inspection according to any one of claims 1-3, wherein: butter for waterproofing is arranged in each second through hole (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810027960.5A CN108018862B (en) | 2018-01-11 | 2018-01-11 | Flexible foundation component applicable to passive protective net and convenient to patrol |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810027960.5A CN108018862B (en) | 2018-01-11 | 2018-01-11 | Flexible foundation component applicable to passive protective net and convenient to patrol |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108018862A CN108018862A (en) | 2018-05-11 |
| CN108018862B true CN108018862B (en) | 2024-01-30 |
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ID=62071556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810027960.5A Active CN108018862B (en) | 2018-01-11 | 2018-01-11 | Flexible foundation component applicable to passive protective net and convenient to patrol |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108018862B (en) |
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| JP2002142651A (en) * | 2000-11-09 | 2002-05-21 | Takemitsu Kanbe | Shock absorber for catching rope |
| JP2005331106A (en) * | 2004-05-18 | 2005-12-02 | Tanjo Ko | Buffer |
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| CN203431086U (en) * | 2013-08-01 | 2014-02-12 | 台州齐力减震器有限公司 | Rear damper |
| CN104047625A (en) * | 2013-10-11 | 2014-09-17 | 江苏鼎泰工程材料有限公司 | Reinforcement anchor rod and rock mass reinforcement method applying anchor rod |
| CN204610679U (en) * | 2015-02-11 | 2015-09-02 | 陈琮琳 | A kind of spring hydraulic damper |
| CN105019369A (en) * | 2015-07-31 | 2015-11-04 | 西南交通大学 | Flexible protective net with main and assistant cable system |
| CN110972554B (en) * | 2014-12-24 | 2017-07-14 | 中国兵器工业集团第二0二研究所 | Frequency-response frequency-point-by-frequency-point calibration device for displacement sensor |
| CN107119680A (en) * | 2017-02-23 | 2017-09-01 | 江苏景源万河环境科技有限公司 | A kind of anchor pole or pile foundation variable diameters steel reinforcement cage and application |
| CN207846443U (en) * | 2018-01-11 | 2018-09-11 | 西南交通大学 | A kind of flexible foundation component suitable for passive protection net and convenient for inspection |
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2018
- 2018-01-11 CN CN201810027960.5A patent/CN108018862B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3260789A (en) * | 1963-12-20 | 1966-07-12 | Aubrey T Edwards | Bundled conductor spacer damper |
| CH660406A5 (en) * | 1983-08-31 | 1987-04-15 | Schrepfer Rudolf Ag | WITH FEATHERS equipped MECHANICAL vibration damper. |
| JP2002142651A (en) * | 2000-11-09 | 2002-05-21 | Takemitsu Kanbe | Shock absorber for catching rope |
| JP2005331106A (en) * | 2004-05-18 | 2005-12-02 | Tanjo Ko | Buffer |
| KR101291758B1 (en) * | 2012-11-07 | 2013-07-31 | 제일산업개발 주식회사 | Slope face stabilizing method using compression type buckles |
| CN203431086U (en) * | 2013-08-01 | 2014-02-12 | 台州齐力减震器有限公司 | Rear damper |
| CN104047625A (en) * | 2013-10-11 | 2014-09-17 | 江苏鼎泰工程材料有限公司 | Reinforcement anchor rod and rock mass reinforcement method applying anchor rod |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108018862A (en) | 2018-05-11 |
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