CN110821538A - Anti-seismic anchor rod - Google Patents
Anti-seismic anchor rod Download PDFInfo
- Publication number
- CN110821538A CN110821538A CN201910701737.9A CN201910701737A CN110821538A CN 110821538 A CN110821538 A CN 110821538A CN 201910701737 A CN201910701737 A CN 201910701737A CN 110821538 A CN110821538 A CN 110821538A
- Authority
- CN
- China
- Prior art keywords
- anchoring
- claw
- linkage
- anchoring section
- rod
- 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
Classifications
-
- 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
- E21D21/0026—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/34—Foundations for sinking or earthquake territories
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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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0046—Production methods using prestressing techniques
-
- 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 relates to an anti-seismic anchor rod, which comprises: the anchoring section comprises an anchor rod body provided with a hollow channel; the anchoring claw is arranged on the outer side of the anchoring section and comprises a claw body and a connecting end connected with the claw body; the linkage rod is arranged in the hollow channel and is hinged and linked with the connecting end of the anchoring claw through a slotted opening arranged on the anchoring section; the driving piece is connected with the linkage piece and can axially advance or retract the linkage piece along the anchoring section; the gear structure acts on the connecting end of the anchoring claw and provides a reverse acting force for the anchoring claw in a linkage state, so that the anchoring claw is tightened when the linkage part is pushed, and the anchoring claw is spread when the linkage part is retracted; the drill bit is a tip structure arranged at one end of the anchoring section. The anti-seismic anchor rod has the advantages that the safety performance is improved, the stable supporting capability is enhanced, and the problem that the anchor rod is loosened from the main body when the ground vibrates after the anchor rod is used for reinforcement is solved.
Description
Technical Field
The invention relates to the technical field of anchor rod structures, in particular to an anti-seismic anchor rod.
Background
The anchor rod is the most basic component of roadway support in the contemporary coal mine, it consolidates the surrounding rocks of the roadway together, make the surrounding rocks support oneself, the anchor rod is not merely used in the mine now, is used in the engineering technology, carry on the body reinforcement to the side slope, tunnel, dam body, the anchor rod is regarded as the tension member deep into the stratum, its one end is connected with engineering structure, another end is deep into the stratum, the whole anchor rod is divided into free section and anchoring section, the free section means transmits the pulling force of the head of the anchor rod to the area of the anchoring body, its function is to exert the prestress to the anchor rod.
When the anchor rod in the prior art vibrates on the ground, the anchor rod and the main body are loosened, so that a series of events such as collapse and the like are easily caused.
Disclosure of Invention
The invention mainly aims to provide an anti-seismic anchor rod to solve the technical problem that the anti-seismic effect is poor after the anchor rod is fixed in the prior art.
In order to achieve the above object, the present invention provides an anti-seismic anchor rod comprising:
the invention relates to an anti-seismic anchor rod, which comprises:
the anchoring section comprises an anchor rod body provided with a hollow channel;
the anchoring claw is arranged on the outer side of the anchoring section and comprises a claw body and a connecting end connected with the claw body;
the linkage rod is arranged in the hollow channel and is hinged and linked with the connecting end of the anchoring claw through a slotted opening arranged on the anchoring section;
the driving piece is connected with the linkage piece and can axially advance or retract the linkage piece along the anchoring section;
the gear structure acts on the connecting end of the anchoring claw and provides a reverse acting force for the anchoring claw in a linkage state, so that the anchoring claw is tightened when the linkage part is pushed, and the anchoring claw is spread when the linkage part is retracted;
the drill bit is a tip structure arranged at one end of the anchoring section.
When the anti-seismic anchor rod is used, the anti-seismic anchor rod is inserted into a drilled installation hole, the anchoring section is inserted into a ramp or a dam body by using the drill bit, the linkage rod is driven to move downwards by the driving piece, the connecting piece is driven to move downwards in the hollow channel, the anchoring claw is linked under the action of the gear structure to enable the linkage piece to move upwards, the linkage rod is pulled to link the anchoring claw, and at the moment, the anchoring claw is changed from a tightening state to an opening state and is inserted into the side wall of the installation hole, so that the anti-seismic effect of strengthening stability is achieved. The anti-seismic anchor rod has the advantages that the safety performance is improved, the stable supporting capability is enhanced, and the problem that the anchor rod is loosened from the main body when the ground vibrates after the anchor rod is used for reinforcement is solved.
Furthermore, the gear structure comprises a gear groove hole arranged at the connecting end of the anchoring claw and a gear short rod which penetrates through the gear groove hole and is fixed at the notch.
Furthermore, the short rod is fixed through a mounting block mounted at the notch.
Furthermore, the driving piece comprises a manual sleeve sleeved outside the anchoring section, a guide groove axially arranged on the anchoring section along the anchoring section, and a short connecting rod inserted in the guide groove and used for connecting the manual sleeve with the linkage rod.
Furthermore, a limiting nut is arranged at the position, located at the lower end of the manual sleeve, on the anchoring section, and the limiting nut is in threaded connection with the anchoring section.
Furthermore, the interlock pole includes the body of rod, sets up in the interlock piece of body of rod lower extreme, supplies the rotatory articulated groove of articulated of interlock piece, the link of anchor claw crosses the round pin axle with articulated groove and articulates.
Furthermore, still include the slip casting passageway of seting up in the pole body wall and set up the grout outlet with slip casting passageway intercommunication on the drill bit. Cement mortar is injected through a grouting pipeline and flows out through a grout outlet, and an anti-seismic anchor rod, a dam body and other bodies needing to be reinforced are connected into a whole
Further, the drill comprises a reverse cone and a barb which is arranged on the top surface of the reverse cone for one circle. The barb can block in ramp or dam body inside, improves stability.
Furthermore, a tip is arranged at the claw end of the claw body.
Furthermore, the anchor rod further comprises a reinforcing sleeve sleeved on the anchoring section, and reinforcing bulges are distributed on the outer surface of the reinforcing sleeve. The protrusions on the reinforcing sleeve increase the friction.
The anti-seismic anchor rod has the advantages that the safety performance is improved, the stable supporting capability is enhanced, and the problem that the anchor rod is loosened from the main body when the ground vibrates after the anchor rod is used for reinforcement is solved.
The following detailed description further illustrates the invention. Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Detailed Description
The present invention will now be described more fully hereinafter. Those skilled in the art will be able to implement the invention based on these teachings. It is to be noted in particular that:
the technical solutions and features provided in the present invention in the respective sections including the following description may be combined with each other without conflict.
Moreover, the embodiments of the present invention described in the following description are generally only examples of a part of the present invention, and not all examples. Therefore, all other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative effort shall fall within the protection scope of the present invention.
With respect to terms and units in the present invention. The terms "comprising," "having," and any variations thereof in the description and claims of this invention and the related sections are intended to cover non-exclusive inclusions.
The invention discloses an anti-seismic anchor rod, which is characterized by comprising:
the anchoring section comprises an anchor rod body provided with a hollow channel;
the anchoring claw is arranged on the outer side of the anchoring section and comprises a claw body and a connecting end connected with the claw body;
the linkage rod is arranged in the hollow channel and is hinged and linked with the connecting end of the anchoring claw through a slotted opening arranged on the anchoring section;
the driving piece is connected with the linkage piece and can axially advance or retract the linkage piece along the anchoring section;
the gear structure acts on the connecting end of the anchoring claw and provides a reverse acting force for the anchoring claw in a linkage state, so that the anchoring claw is tightened when the linkage part is pushed, and the anchoring claw is spread when the linkage part is retracted;
the drill bit is a tip structure arranged at one end of the anchoring section.
The gear structure comprises a gear groove hole arranged at the connecting end of the anchoring claw and a gear short rod which penetrates through the gear groove hole and is fixed at the notch.
The short blocking rod is fixed through a mounting block mounted at the notch.
The driving piece comprises a manual sleeve sleeved outside the anchoring section, a guide groove axially arranged on the anchoring section along the anchoring section, and a short connecting rod inserted in the guide groove and used for connecting the manual sleeve with the linkage rod.
And a limiting nut is arranged at the position, which is positioned at the lower end of the manual sleeve, on the anchoring section, and the limiting nut is in threaded connection with the anchoring section.
The linkage rod comprises a rod body, a linkage block arranged at the lower end of the rod body and a hinge groove for the linkage block to be hinged in a rotating mode, and the connecting end of the anchoring claw is hinged to the hinge groove through a pin shaft.
The drilling head is characterized by further comprising a grouting channel arranged in the wall of the rod body and a grout outlet arranged on the drilling head and communicated with the grouting channel.
The drill comprises a reverse cone and a barb arranged on one circle of the top surface of the reverse cone.
The claw end of the claw body is provided with a pointed end.
The anchor fixing device further comprises a reinforcing sleeve sleeved on the anchoring section, and reinforcing bulges are distributed on the outer surface of the reinforcing sleeve.
The anti-seismic anchor rod comprises an anchoring section, an anchor rod body and a drill bit, wherein the anchor rod body is provided with a hollow channel, the drill bit is arranged at the bottom of the anchoring section, and the drill bit is of a tip structure arranged at one end of the anchoring section. The tip structure concrete structure is the inverted cone, a plurality of barb that evenly encircles the distribution is installed to inverted cone top surface round fixed mounting. The anchor section is characterized in that a linkage rod is arranged in the hollow channel of the anchor section, and the linkage rod comprises a manual sleeve outside the anchor section, a guide groove axially arranged on the anchor section along the anchor section, and a short connecting rod inserted in the guide groove and connecting the manual sleeve with the linkage rod.
The outside cover of anchor section is equipped with manual cover, is equipped with the guide way along the left and right sides symmetric position department of anchor section axial anchor section, pegs graft and connects the connecting stub of manual cover and interlock pole in the guide way. The guide groove plays a role in enabling the connecting short rod to slide on the connecting short rod after being inserted and embedded, a limiting nut is arranged at the position, located at the lower end of the manual sleeve, on the anchoring section, and the limiting nut is in threaded connection with the anchoring section.
The position of anchor claw installation is equipped with the notch on the anchor section, the anchor claw passes the notch and links to each other with the trace, the anchor claw includes the claw body and the link that links to each other with the claw body, the claw end of the claw body is equipped with the tip, the claw body sets up in the anchor section outside, the trace includes the body of rod, sets up in the trace of the body of rod lower extreme, supplies the rotatory articulated groove of trace, the link of anchor claw crosses the round pin axle with articulated groove and articulates, the link is at articulated inslot rotation. The anchor fixing device further comprises a reinforcing sleeve sleeved on the anchoring section, and reinforcing bulges are distributed on the outer surface of the reinforcing sleeve.
And the anchoring claw connecting end is provided with a gear slotted hole and a gear short rod which penetrates through the gear slotted hole and is fixed at the notch. The gear groove hole is a long-strip-shaped hole, the gear short rod is fixed through an installation block installed at the notch, and the gear short rod penetrates through the gear groove hole, so that the anchoring claw is driven by the linkage rod to slide on the gear short rod through the gear groove hole to be tightened or opened. The anti-seismic short rod of the invention utilizes a drill bit to insert the anchoring section into the ramp or the dam body, and the position of the limiting bolt is adjusted, so that when the manual sleeve is screwed to move downwards, the manual sleeve is linked with the linkage rod through the connecting short rod, so that the linkage rod is linked downwards, and at the moment, the anchoring claw is tightened under the combined action of the short gear rod and the slotted gear hole; after the anti-seismic short rod is drilled, the manual sleeve is screwed to move upwards, the same manual sleeve is linked with the linkage rod through the connecting short rod, so that the linkage rod moves upwards, the anchoring claw is opened under the combined action of the gear short rod and the gear groove hole, the anchoring claw is inserted into the side wall of the mounting hole, the position of the limiting bolt is adjusted to limit the position of the manual sleeve, and the anti-seismic effect of strengthening, stabilizing and resisting is achieved.
The drilling head is characterized by further comprising a grouting channel arranged in the wall of the rod body and a grout outlet arranged on the drilling head and communicated with the grouting channel. Cement mortar is injected through the grouting pipeline and flows out through the grout outlet, and the anti-seismic anchor rod, the dam body and other bodies needing to be reinforced are connected into a whole, so that the anti-seismic performance of the dam is further enhanced.
The contents of the present invention have been explained above. Those skilled in the art will be able to implement the invention based on these teachings. All other embodiments, which can be derived by a person skilled in the art from the above description without inventive step, shall fall within the scope of protection of the present invention.
Claims (10)
1. Antidetonation stock, its characterized in that includes:
the anchoring section comprises an anchor rod body provided with a hollow channel;
the anchoring claw is arranged on the outer side of the anchoring section and comprises a claw body and a connecting end connected with the claw body;
the linkage rod is arranged in the hollow channel and is hinged and linked with the connecting end of the anchoring claw through a slotted opening arranged on the anchoring section;
the driving piece is connected with the linkage piece and can axially advance or retract the linkage piece along the anchoring section;
the gear structure acts on the connecting end of the anchoring claw and provides a reverse acting force for the anchoring claw in a linkage state, so that the anchoring claw is tightened when the linkage part is pushed, and the anchoring claw is spread when the linkage part is retracted;
the drill bit is a tip structure arranged at one end of the anchoring section.
2. An anti-seismic anchor according to claim 1, wherein said blocking structure includes a blocking slot provided at the connection end of the anchoring claw, and a blocking stub fixed to the slotted opening through the blocking slot.
3. An anti-seismic anchor rod according to claim 2, wherein said shift-stop bar is secured by a mounting block mounted at the slot.
4. An anti-seismic anchor rod as defined in claim 1, wherein the driving member includes a manual sleeve sleeved outside the anchoring section, a guide groove axially provided on the anchoring section along the anchoring section, and a connecting short rod inserted in the guide groove to connect the manual sleeve and the link rod.
5. An anti-seismic anchor rod according to claim 4, wherein a stop nut is provided on the anchoring section at the lower end of the hand sleeve, the stop nut being in threaded connection with the anchoring section.
6. An anti-seismic anchor rod as claimed in claim 1, wherein the linkage comprises a rod body, a linkage block arranged at the lower end of the rod body, and a hinge groove for the linkage block to rotatably hinge, and the connecting end of the anchoring claw is hinged to the hinge groove through a pin.
7. An anti-seismic bolt according to claim 1, further comprising a grouting passage provided in the wall of the bolt body and a grout outlet provided in the drill bit in communication with the grouting passage.
8. An anti-seismic bolt according to claim 1, wherein the drill bit comprises a reverse taper and a barb disposed on a top face of the reverse taper for a single turn.
9. An anti-seismic bolt according to claim 1, wherein the claw end of the claw body is provided with a pointed tip.
10. An anti-seismic anchor rod according to claim 1, further comprising a reinforcing sleeve sleeved on the anchoring section, wherein reinforcing protrusions are distributed on the outer surface of the reinforcing sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910701737.9A CN110821538A (en) | 2019-07-31 | 2019-07-31 | Anti-seismic anchor rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910701737.9A CN110821538A (en) | 2019-07-31 | 2019-07-31 | Anti-seismic anchor rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110821538A true CN110821538A (en) | 2020-02-21 |
Family
ID=69547703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910701737.9A Pending CN110821538A (en) | 2019-07-31 | 2019-07-31 | Anti-seismic anchor rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110821538A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112267461A (en) * | 2020-11-06 | 2021-01-26 | 辽宁工程技术大学 | A antidetonation stock for side slope engineering |
| WO2022063326A1 (en) * | 2020-09-28 | 2022-03-31 | 中煤科工开采研究院有限公司 | Spraying temporary support and bolt permanent support method and system |
-
2019
- 2019-07-31 CN CN201910701737.9A patent/CN110821538A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022063326A1 (en) * | 2020-09-28 | 2022-03-31 | 中煤科工开采研究院有限公司 | Spraying temporary support and bolt permanent support method and system |
| CN112267461A (en) * | 2020-11-06 | 2021-01-26 | 辽宁工程技术大学 | A antidetonation stock for side slope engineering |
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