CN114411724A - Load-holding and shock-absorbing device for anchor head of recyclable anchor rod - Google Patents
Load-holding and shock-absorbing device for anchor head of recyclable anchor rod Download PDFInfo
- Publication number
- CN114411724A CN114411724A CN202210072756.1A CN202210072756A CN114411724A CN 114411724 A CN114411724 A CN 114411724A CN 202210072756 A CN202210072756 A CN 202210072756A CN 114411724 A CN114411724 A CN 114411724A
- Authority
- CN
- China
- Prior art keywords
- anchor head
- anchor
- load
- locking plate
- holding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004146 energy storage Methods 0.000 claims abstract description 32
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 239000011435 rock Substances 0.000 claims 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 239000002689 soil Substances 0.000 description 5
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/08—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against transmission of vibrations or movements in the foundation soil
-
- 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
- E02D5/765—Anchorings for bulkheads or sections thereof in as much as specially adapted therefor removable
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
- E21D21/0093—Accessories
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2200/00—Geometrical or physical properties
- E02D2200/14—Geometrical or physical properties resilient or elastic
- E02D2200/146—Springs
-
- 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
Abstract
The invention provides a load-holding shock-absorbing device for a recyclable anchor rod and an anchor head. The anchor head comprises an anchor head shell, a high-strength energy storage spring, a locking plate and a bearing plate. Through the device, make full use of high strength energy storage spring's cushioning effect can reduce prestressing force loss and reduce the stock and retrieve the all ring edge borders that the impulsive load arouses when the stock. The load-holding cushioning device is simple to operate, high in practicability, low in cost, suitable for popularization and high in application value.
Description
Technical Field
The invention belongs to the technical field of anchoring equipment, and particularly relates to a load-holding and shock-absorbing device for a recyclable anchor rod head.
Background
The side slope support is a retaining, reinforcing and protecting measure which is adopted to ensure the structural stability of the side slope (or tunnel), and compared with other support structure types, the anchor bolt support form has the advantages of low cost, good support effect, simplicity in operation, flexibility in use, small occupied construction clearance and the like, so that the anchor bolt support is most widely applied to the field of side slope support structures. When in actual use, the stock divide into unrecoverable stock and recoverable stock, and unrecoverable stock is stayed underground after using, and this can cause the polluted ground, still can cause a large amount of cost to waste simultaneously, and consequently recoverable stock gradually becomes the trend of anchor field development. The problem that current recoverable stock exists lies in: in the moment of anchor rod recovery, can exert huge impact load to surrounding soil layer, have powerful kinetic energy, produce the disturbance to the soil body easily, produce the deformation to the surrounding environment. On the other hand, the anchor rod can cause prestress loss due to factors such as creep of the anchor rod, external vibration load, soil layer creep and the like in the using process, and the design requirement can not be met.
The existing recoverable anchor rod has various forms, the anchoring effect of the existing recoverable anchor rod is considered to be enhanced (for example, CN 112982397A: a recoverable inflatable umbrella-type air bag anchor rod and a using method thereof, CN 109339839B: a recoverable sand-bonded anchor head prestressed anchor rod), the recovery reliability of the existing recoverable anchor rod is considered to be enhanced (for example, CN 208870031U: a combined recoverable anchor rod anchorage device), the influence of the anchor rod recovery process on the surrounding environment and the loss of prestress in the anchor rod using process are not considered, and on the other hand, along with the development of urban construction, higher requirements are provided for the deformation control of the surrounding environment caused by construction.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a load-holding and cushioning device for a recyclable anchor rod and an anchor head, and solves the problems of anchor rod prestress loss and excessive deformation of the surrounding environment in the recycling process.
In order to achieve the technical purpose, the embodiment of the invention adopts the following technical scheme:
the invention provides a load-holding cushioning device for a recyclable anchor rod and an anchor head, which comprises an anchor rod body and an anchor head; the anchor head comprises an anchor head shell, a high-strength energy storage spring, a locking plate and a bearing plate; the bearing plate is connected with the anchor head shell and fixed at the bottom of the anchor head, the locking plate is positioned in the anchor head shell, and the anchor rod body penetrates through the bearing plate and is connected with the locking plate; two sections of high-strength energy storage springs are respectively arranged on two sides of the locking plate and fill the inner space of the anchor head.
Furthermore, the diameter of the high-strength energy storage spring is the same as the inner diameter of the anchor head shell.
Further, the diameter of the locking plate is equal to the inner diameter of the anchor head shell.
Furthermore, the locking plate is located inside the anchor head cavity and can slide along the axial direction of the anchor head.
Furthermore, one side of one section of high-strength energy storage spring is fixed with the top of the anchor head, the other side of the one section of high-strength energy storage spring is in contact with the locking plate, one side of the other section of high-strength energy storage spring is fixed with the inner side of the bearing plate, and the other side of the one section of high-strength energy storage spring is in contact with the locking plate.
Further, the high-strength energy storage spring can be a steel spring or an air spring.
According to the technical scheme, the embodiment of the invention has the beneficial effects that:
the test device provided by the invention can play a load holding and cushioning role in the anchor rod recycling process, and by utilizing the characteristic that the high-strength energy storage spring can well absorb energy, when the prestress of the anchor rod is lost, the locking plate moves towards the right, and the high-strength energy storage spring on the right plays a load holding role to compensate part of the lost prestress; when the anchor rod is recycled, the locking plate is displaced towards the left, the high-strength energy storage spring on the left side plays a role in cushioning, energy caused by recycling of the anchor rod is absorbed, and disturbance to a soil body is reduced.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic cross-sectional view of a test apparatus in an example of the invention;
FIG. 2 is a schematic diagram of the overall structure of the testing device provided by the embodiment of the present invention;
description of reference numerals: an anchor head 1; an anchor rod body 2; an anchor head housing 3; a carrier plate 4; a locking plate 5; a high strength energy storage spring 6.
Detailed Description
The present invention will be further described with reference to the following examples. The following examples are set forth merely to aid in the understanding of the invention. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
It should be noted that all the directional indications (such as up, down, left, right, front, and rear … …) in the embodiment of the present application are only used to explain the relative position relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indication is changed accordingly.
As shown in fig. 1 and 2, the present embodiment provides a load-holding shock-absorbing device for a recoverable anchor head of an anchor rod, which includes an anchor head 1 and an anchor rod body 2. The anchor head 1 comprises an anchor head shell 3, a bearing plate 4, a locking plate 5, a high-strength energy storage spring 61 and a high-strength energy storage spring 62.
Specifically, the bearing plate 4 is connected with the anchor head housing 3 and fixed at the bottom of the anchor head. The anchor rod body 2 passes through the bearing plate 4 and is connected with a locking plate 5 in the anchor head shell. The locking plate 5 is located in the middle of the inside of the anchor head and can slide along the axial direction of the anchor head.
Specifically, lockplate 5 both sides are provided with high strength energy storage spring 61 and high strength energy storage spring 62 respectively, high strength energy storage spring 61 and high strength energy storage spring 62 diameter is the same with anchor head 1 internal diameter, and length is 1/2 about anchor head 1 length, and wherein high strength energy storage spring 62 one side is fixed with the anchor head top, and the opposite side contacts with lockplate 5, and high strength energy storage spring 61 one side is fixed with loading board 4, and the opposite side contacts with lockplate 5.
The concrete assembly is as follows:
firstly, a section of high-strength energy storage spring 62 is fixed on the top of the anchor head 1, and then the locking plate 5 is arranged in the anchor head shell 3 and is in contact with the high-strength energy storage spring 62. Then the anchor rod body 2 is connected with the locking plate 5, the other section of the high-strength energy storage spring 61 is contacted with the locking plate 5, the bearing plate 4 is arranged, the bearing plate 4 is fixed with the anchor head shell after being connected with the high-strength energy storage spring 61, and the anchor head 1 is sealed.
When the device is used, the device is arranged in an area needing to be supported, prestress is applied, the high-strength energy storage spring 61 is in a compressed state, and the high-strength energy storage spring 62 is in an unstressed state and is neither compressed nor stretched; when the prestress of the anchor rod is lost, the locking plate moves towards the right, and the high-strength energy storage spring 61 on the right side plays a load holding role to compensate part of the lost prestress; when the anchor rod is recovered, the locking plate is displaced towards the left, the high-strength energy storage spring 62 on the left side plays a role in cushioning, energy caused by recovery of the anchor rod is absorbed, and disturbance to a soil body is reduced.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A load-holding cushioning device for a recyclable anchor rod and an anchor head is characterized by comprising an anchor rod body and an anchor head; the anchor head comprises an anchor head shell, a high-strength energy storage spring, a locking plate and a bearing plate; the bearing plate is connected with the anchor head shell and fixed at the bottom of the anchor head, the locking plate is positioned in the anchor head shell, and the anchor rod body penetrates through the bearing plate and is connected with the locking plate; two sections of high-strength energy storage springs are respectively arranged on two sides of the locking plate and fill the inner space of the anchor head.
2. The load-holding cushioning device for a retrievable rock bolt head of claim 1, wherein the high-tension stored energy spring has a diameter that is the same as the internal diameter of the anchor head housing.
3. A load-holding cushioning device for a retrievable rock bolt head as claimed in claim 1, wherein the diameter of the locking plate is equal to the internal diameter of the anchor head housing.
4. A load-holding cushioning device for a retrievable anchor head of a rock bolt according to claim 1, wherein said locking plate is located within the anchor head cavity and is slidable in the axial direction of the anchor head.
5. The load-holding and shock-absorbing device for recovering the anchor head of an anchor rod as claimed in claim 1, wherein one section of the high-strength energy-storing spring is fixed to the top of the anchor head at one side and contacts with the locking plate at the other side, and the other section of the high-strength energy-storing spring is fixed to the inner side of the bearing plate at one side and contacts with the locking plate at the other side.
6. The load-holding and shock-absorbing device for recovering the anchor head of the anchor rod as claimed in claim 1, wherein the high-strength energy-storing spring can be a steel spring or an air spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210072756.1A CN114411724A (en) | 2022-01-21 | 2022-01-21 | Load-holding and shock-absorbing device for anchor head of recyclable anchor rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210072756.1A CN114411724A (en) | 2022-01-21 | 2022-01-21 | Load-holding and shock-absorbing device for anchor head of recyclable anchor rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114411724A true CN114411724A (en) | 2022-04-29 |
Family
ID=81274586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210072756.1A Pending CN114411724A (en) | 2022-01-21 | 2022-01-21 | Load-holding and shock-absorbing device for anchor head of recyclable anchor rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114411724A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104532860A (en) * | 2015-01-14 | 2015-04-22 | 姚炳祥 | Recoverable soil nail |
| CN204475321U (en) * | 2015-01-14 | 2015-07-15 | 姚炳祥 | A kind of main muscle Recyclable anchor rope |
| CN205171547U (en) * | 2015-12-02 | 2016-04-20 | 姚炳祥 | Recoverable miniature stock wall |
| CN206592140U (en) * | 2017-03-01 | 2017-10-27 | 山东科技大学 | A kind of recyclable pressure-relieving achor bar |
| CN109235471A (en) * | 2018-10-30 | 2019-01-18 | 中国电建集团成都勘测设计研究院有限公司 | Quick anchoring component and quick anchoring structure |
| CN109339839A (en) * | 2018-09-30 | 2019-02-15 | 中国科学院武汉岩土力学研究所 | Recyclable sand consolidates anchor head prestressed anchor, anchoring jack and its application method |
| CN110344408A (en) * | 2019-07-12 | 2019-10-18 | 中南大学 | A kind of method of energy-absorbing damping at anchor pole anchor head |
| CN111425231A (en) * | 2020-03-31 | 2020-07-17 | 中国矿业大学 | Long and short anchor cable coordinated energy absorption yielding device and construction method |
| CN111980022A (en) * | 2020-08-28 | 2020-11-24 | 中南大学 | Anchor rod suitable for expansive and contractive deformation of expansive soil |
-
2022
- 2022-01-21 CN CN202210072756.1A patent/CN114411724A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104532860A (en) * | 2015-01-14 | 2015-04-22 | 姚炳祥 | Recoverable soil nail |
| CN204475321U (en) * | 2015-01-14 | 2015-07-15 | 姚炳祥 | A kind of main muscle Recyclable anchor rope |
| CN205171547U (en) * | 2015-12-02 | 2016-04-20 | 姚炳祥 | Recoverable miniature stock wall |
| CN206592140U (en) * | 2017-03-01 | 2017-10-27 | 山东科技大学 | A kind of recyclable pressure-relieving achor bar |
| CN109339839A (en) * | 2018-09-30 | 2019-02-15 | 中国科学院武汉岩土力学研究所 | Recyclable sand consolidates anchor head prestressed anchor, anchoring jack and its application method |
| CN109235471A (en) * | 2018-10-30 | 2019-01-18 | 中国电建集团成都勘测设计研究院有限公司 | Quick anchoring component and quick anchoring structure |
| CN110344408A (en) * | 2019-07-12 | 2019-10-18 | 中南大学 | A kind of method of energy-absorbing damping at anchor pole anchor head |
| CN111425231A (en) * | 2020-03-31 | 2020-07-17 | 中国矿业大学 | Long and short anchor cable coordinated energy absorption yielding device and construction method |
| CN111980022A (en) * | 2020-08-28 | 2020-11-24 | 中南大学 | Anchor rod suitable for expansive and contractive deformation of expansive soil |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102418538B (en) | High-speed energy absorption anti-impact retreat hydraulic support for coal mine | |
| CN103321660B (en) | Mining constant-resistance yielding energy-absorbing impact-resisting supporting device | |
| CN113123325B (en) | Underground continuous wall and construction method thereof | |
| CN113074007B (en) | Anti-impact energy absorber for hydraulic support | |
| CN102182478A (en) | Fast wave eliminating/energy dissipating/cushioning device for mining | |
| CN104831826A (en) | Lap-jointed self-centering buckling-restrained brace | |
| CN201502112U (en) | Composite seismic isolation bearing with spiral-coiled spring friction pendulum | |
| CN114411724A (en) | Load-holding and shock-absorbing device for anchor head of recyclable anchor rod | |
| CN112727220B (en) | Self-resetting synergistic shock insulation column and underground space structure system thereof | |
| CN210238934U (en) | Shear type steel truss coupling beam with friction damper and capable of being quickly recovered after earthquake | |
| CN206233942U (en) | Frictional spring pressure-relieving achor bar | |
| CN210031566U (en) | Arched beam and air bag combined buffering and damping device suitable for emergency rescue and disaster relief steel shed tunnel | |
| CN110984177A (en) | Recyclable quick anchoring anchor rod and construction method thereof | |
| CN113605926B (en) | Cross-fault tunnel segment lining passive vector type flexible joint structure | |
| CN211819458U (en) | Buffering prestressed anchor cable | |
| CN215292549U (en) | Energy-absorbing anchor rod suitable for soft rock large deformation and high stress geological tunnel | |
| CN212772329U (en) | Shock attenuation energy dissipation stock device | |
| CN212133465U (en) | Soft landing buffer device for vertical recovery of carrier rocket | |
| JP2005330688A (en) | Aseismatic reinforcing method and structure for bridge | |
| CN212801569U (en) | Dangerous rock protection structure of cliff toe road engineering | |
| CN103147392A (en) | Steel bridge function separating shock-absorbing support | |
| CN202348294U (en) | High-speed energy absorption anti-impact abdication hydraulic support for coal mine | |
| CN102797221B (en) | Slide bar type limit and vibration isolation support | |
| CN103485277B (en) | Horizontal seismic-reduction device of long-span bridge | |
| CN114320391B (en) | Anti-impact integrated anti-impact energy absorbing device and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |