CN208793023U - Anti- HI high impact large deformation energy-absorbing anchoring tray component - Google Patents
Anti- HI high impact large deformation energy-absorbing anchoring tray component Download PDFInfo
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- CN208793023U CN208793023U CN201821540093.7U CN201821540093U CN208793023U CN 208793023 U CN208793023 U CN 208793023U CN 201821540093 U CN201821540093 U CN 201821540093U CN 208793023 U CN208793023 U CN 208793023U
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- steel pipe
- conical steel
- anchor
- common flat
- anchoring tray
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Abstract
Anti- HI high impact large deformation energy-absorbing anchoring tray component, including common flat anchoring tray, conical steel pipe and the butterfly pallet set gradually from top to bottom, conical steel pipe is in up-thin-low-thick circular cone barrel structure, conical steel pipe upper end is fixedly connected with common flat anchoring tray lower surface, conical steel pipe lower end is fixedly connected with butterfly pallet upper surface, the first anchor perforation is offered on common flat anchoring tray, the second anchor perforation is offered on butterfly pallet, the center line of the first anchor perforation, conical steel pipe and the second anchor perforation is overlapped.The utility model has many advantages, such as to be not susceptible to that deformation unloading or fracture, adaptive deformation ability is strong, can persistently allow pressure, easy for installation, reduce the support cost in mine deep bump tunnel, the safety coefficient of mining production work is improved, guarantees the validity and safety of deep laneway surrounding rock Bolt System.
Description
Technical field
The utility model belongs to mine safety production support apparatus technical field, and in particular to a kind of anti-HI high impact large deformation
Energy-absorbing anchoring tray component.
Background technique
The mine motive forces disaster such as bump and coal and gas prominent is the disaster encountered in mining process, thus
The impact failure caused by roadway surrounding rock is to influence one of the critical issue of mine safety.Because suspension roof support has drift section benefit
The advantages that high, easy for construction, low in cost, drawing speed is fast with rate, it has also become the safe and efficient main supporting side of mine laneway
Formula is widely applied in China's mine laneway.Anchoring tray is an important component in Bolt System,
It is that anchor system generates the indispensable component of anchor force, effect is on the one hand to be answered in advance by compressing pallet to anchor pole application
Power, and it is diffused into prestressing force in the coal and rock around anchor pole, realize that active, the immediate support of anchor pole, another aspect country rock become
Shape acts on load on pallet, transfers loads to anchor rod body by pallet, the load of anchor pole variation expands further through pallet
It is scattered in country rock, so as to improve the stress state of country rock, deformation controlling for rock surrounding gateways and destruction.
With gradually increasing for mining depth, geological conditions becomes increasingly complex, roadway surrounding rock also usually show high stress,
The design of large deformation, even unexpected power destruction, anchor rod system should provide enough bearing capacities, realize allow again
Press energy-absorbing.And mine uses at present anchoring tray, including plate shaped pallet, cast iron pallet, butterfly pallet etc., shock loading are made
The technical issues of with lower easy generation deformation unloading suddenly or fracture.
Utility model content
The utility model provides a kind of anti-HI high impact large deformation energy-absorbing anchoring to solve shortcoming in the prior art
Pallet component, with being not susceptible to, deformation unloading or fracture, adaptive deformation ability is strong, strong shock resistance, can persistently allow
The advantages that pressure, simple structure and convenient processing, performance safety are reliable, construction technique is simple can reduce mine deep impact ground
The support cost in tunnel is pressed, the safety coefficient of mining production work is improved, overcomes the deficiencies of existing technologies, guarantee that deep tunnel encloses
The validity and safety of rock anchors support system improve theoretical to mine deep bump roadway surrounding rock Bolt System
Further investigation it is horizontal, it is ensured that mine timbering is safe and reliable.
In order to solve the above technical problems, the utility model adopts the following technical solution: anti-HI high impact large deformation energy-absorbing anchoring
Pallet component, including common flat anchoring tray, conical steel pipe and the butterfly pallet set gradually from top to bottom, common flat anchoring support
Disk is arranged in parallel with butterfly pallet, and conical steel pipe is in up-thin-low-thick circular cone barrel structure, conical steel pipe upper end and common flat anchoring
Pallet lower surface is fixedly connected, and conical steel pipe lower end is fixedly connected with butterfly pallet upper surface, is opened up on common flat anchoring tray
There is the first anchor perforation, the second anchor perforation is offered on butterfly pallet, the first anchor perforation, conical steel pipe and the second anchor pole are worn
The center line in hole is overlapped.
The middle part of butterfly pallet is stamped and formed out downwards downwardly projecting spherical shell, spherical shell center line vertically and taper
The center line of steel pipe is overlapped, and the second anchor perforation is provided with spherical shell bottom.
Common flat anchoring tray and butterfly pallet are 150mm by length and width, and thickness is made of the steel plate of 15mm, the first anchor
The diameter of bar perforation, conical steel pipe upper port and the second anchor perforation is equal, on the diameter and spherical shell of conical steel pipe lower port
The diameter of port is consistent.
By adopting the above technical scheme, the energy-absorbing anchoring process of anti-HI high impact large deformation energy-absorbing anchoring tray component, including with
Lower step:
(1) square common flat anchoring tray and butterfly pallet are intercepted, is bored at the center of common flat anchoring tray
First anchor perforation out, one spherical shell of downward punching press at the center of butterfly pallet, drills out the second anchor pole in spherical shell upper bottom portion and wears
Hole；
(2) conical steel pipe upper end and common flat anchoring tray lower surface are welded, on conical steel pipe lower end and butterfly pallet
Surface welding thus makes common flat anchoring tray, conical steel pipe and butterfly pallet be welded as a whole；
(3) High strength bolt is driven into anchor hole, High strength bolt anchored in anchor hole it is firm after, in high intensity
The outer cover that anchor pole exposes country rock puts on anti-HI high impact large deformation energy-absorbing anchoring tray component, i.e. the first anchor perforation, tapered steel
Pipe and the second anchor perforation are worn in High strength bolt, and pre-load nut, pre-load nut and spherical shell are screwed in High strength bolt
Press cooperation, common flat anchoring tray and confining pressure press cooperate；Conical steel pipe is main energy absorbing component, and conical steel pipe passes through in it
The conical hollow structure in portion makes conical steel pipe axis split resigning destruction generation large deformation to absorb and consume a large amount of impact energys, subtracts
Small deep wall rock bump is injured caused by personnel and equipment, being capable of the big change of adaptive deep high stress underground engineering wall rock
Shape condition.
The specific method that pre-load nut is turned in step (3) is,
It shifts common flat anchoring tray the anchoring end of High strength bolt onto and is close to country rock, keep the tearing of conical steel pipe pre-
Pre-load nut, then connect with High strength bolt end thread, screws pre-load nut by the small end face country rock of tight section, pre-tightens
Nut compresses spherical shell, completes initial installation.Then preload installation is carried out, continues to screw pre-load nut, to energy-absorbing anchoring tray group
Part applies pretightning force, and according to actual requirement, when reaching the required pretightning force of High strength bolt, stopping screws pre-load nut, complete
It installs, comes into operation at the preload of energy-absorbing anchoring tray component.
The working principle of the utility model is as follows:
The purpose of this utility model is exactly to pass through tapered steel in the case where tunnel occurs rock burst or encounters impact load
Pipe axis splits resigning, and realization, which allows, presses energy-absorbing, and the utility model has continual and steady resigning energy absorption ability, can effectively prevent commonly flat
Anchoring tray impact fracture and unexpected deformation failure can be realized effective branch of HI high impact tendency country rock with High strength bolt cooperation
Shield can be realized country rock large deformation, the suction for impacting large deformation under the premise of not changing High strength bolt lever strength and structure
It can step down, absorb using self structure advantage to the greatest extent and consume a large amount of impact energy, ensure that High strength bolt body
It is unlikely to damage easily when absorbing impact with common flat anchoring tray so that entire Bolt System is able to bear bigger
Impact force, the deformation of adaptive country rock complete the maltilevel security supporting to country rock to achieve the purpose that anchor rod system effective support.
The utility model is simple and practical in structure, novel and unique, has and is not susceptible to deformation unloading or fracture, adaptive deformation energy
Power is strong, can persistently allow pressure, it is easy for installation the advantages that, reduce the support cost in mine deep bump tunnel, improve
The safety coefficient of mining production work, overcomes the defect of the prior art, guarantees having for deep laneway surrounding rock Bolt System
Effect property and safety, the further investigation improved to mine deep bump roadway surrounding rock Bolt System theory is horizontal, really
It is safe and reliable to protect mine timbering.
Detailed description of the invention
Fig. 1 is the three-dimensional structure diagram of the utility model.
Fig. 2 is the axial directional cross sectional view of the utility model.
Fig. 3 is the three-dimensional structure diagram of the butterfly pallet of the utility model.
Wherein, label and title in figure are as follows:
The common flat anchoring tray of 1-；2- conical steel pipe；3- conical steel pipe upper port；4- butterfly pallet；The first anchor pole of 5- is worn
Hole；6- conical steel pipe lower port；7- spherical shell upper port；8- cone hollow structure；9- High strength bolt；10- spherical shell；11- is pre-
Tight nut；The second anchor perforation of 12-.
Specific embodiment
As shown in Figure 1-Figure 3, the anti-HI high impact large deformation energy-absorbing anchoring tray component of the utility model, including from top to bottom
Common flat anchoring tray 1, conical steel pipe 2 and the butterfly pallet 4 set gradually, common flat anchoring tray 1 are parallel with butterfly pallet 4
Setting, conical steel pipe 2 are in up-thin-low-thick circular cone barrel structure, and 2 upper end of conical steel pipe is fixed with common flat 1 lower surface of anchoring tray
Connection, 2 lower end of conical steel pipe are fixedly connected with 4 upper surface of butterfly pallet, are offered the first anchor pole on common flat anchoring tray 1 and are worn
Hole 5, offers the second anchor perforation 12 on butterfly pallet 4, the first anchor perforation 5, conical steel pipe 2 and the second anchor perforation 12
Center line is overlapped.
The middle part of butterfly pallet 4 is stamped and formed out downwards downwardly projecting spherical shell 10, the center line of spherical shell 10 vertically
It is overlapped with the center line of conical steel pipe 2, the second anchor perforation 12 is provided with 10 bottom of spherical shell.
Common flat anchoring tray 1 and butterfly pallet 4 are 150mm by length and width, and thickness is made of the steel plate of 15mm, and first
The diameter of anchor perforation 5, conical steel pipe upper port 3 and the second anchor perforation 12 is equal, the diameter of conical steel pipe lower port 6 with
The diameter of spherical shell upper port 7 is consistent.
The energy-absorbing anchoring process of anti-HI high impact large deformation energy-absorbing anchoring tray component, comprising the following steps:
(1) square common flat anchoring tray 1 and butterfly pallet 4 are intercepted, at the center of common flat anchoring tray 1
The first anchor perforation 5 is drilled out, one spherical shell 10 of downward punching press at the center of butterfly pallet 4 drills out in 10 upper bottom portion of spherical shell
Two anchor perforations 12；
(2) 2 upper end of conical steel pipe and common flat 1 lower surface of anchoring tray are welded, 2 lower end of conical steel pipe and butterfly pallet
The welding of 4 upper surfaces thus makes common flat anchoring tray 1, conical steel pipe 2 and butterfly pallet 4 be welded as a whole；
(3) High strength bolt 9 is driven into anchor hole, High strength bolt 9 anchored in anchor hole it is firm after, high-strength
The outer cover that degree anchor pole 9 exposes country rock puts on anti-HI high impact large deformation energy-absorbing anchoring tray component, i.e. the first anchor perforation 5, cone
Shape steel pipe 2 and the second anchor perforation 12 are worn in High strength bolt 9, and pre-load nut 11 is screwed in High strength bolt 9, are pre-tightened
Nut 11 and the press of spherical shell 10 cooperate, and common flat anchoring tray 1 cooperates with confining pressure press；Conical steel pipe 2 is main energy absorbing component,
Conical steel pipe 2 by its internal conical hollow structure 8 make 2 axis of conical steel pipe split resigning destroy generate large deformation absorbing and
A large amount of impact energys are consumed, reduces deep wall rock bump and is injured caused by personnel and equipment, it being capable of adaptive deep height
Stress underground engineering wall rock large deformation condition.
The specific method that pre-load nut 11 is turned in step (3) is,
It shifts common flat anchoring tray 1 the anchoring end of High strength bolt 9 onto and is close to country rock, make tearing for conical steel pipe 2
The small end face country rock for pre-tightening section is split, pre-load nut 11 is connect with 9 end thread of High strength bolt then, screws preload spiral shell
Mother 11, pre-load nut 11 compress spherical shell 10, complete initial installation.Then preload installation is carried out, continues to screw pre-load nut 11, it is right
Energy-absorbing anchoring tray component applies pretightning force, according to actual requirement, when reaching 9 required pretightning force of High strength bolt, stops
Pre-load nut 11 is screwed, the preload installation of energy-absorbing anchoring tray component is completed, comes into operation.
The present embodiment not makes any form of restriction the shape of the utility model, material, structure etc., all foundations
The technical essence of the utility model any simple modification, equivalent change and modification to the above embodiments, belong to this reality
With the protection scope of new technique scheme.
Claims (3)
1. anti-HI high impact large deformation energy-absorbing anchoring tray component, it is characterised in that: common flat including what is set gradually from top to bottom
Anchoring tray, conical steel pipe and butterfly pallet, common flat anchoring tray is arranged in parallel with butterfly pallet, under conical steel pipe is presented carefully
Thick circular cone barrel structure, conical steel pipe upper end are fixedly connected with common flat anchoring tray lower surface, conical steel pipe lower end and dish
Tray upper surface is fixedly connected, and offers the first anchor perforation on common flat anchoring tray, the second anchor is offered on butterfly pallet
The center line of bar perforation, the first anchor perforation, conical steel pipe and the second anchor perforation is overlapped.
2. anti-HI high impact large deformation energy-absorbing anchoring tray component according to claim 1, it is characterised in that: butterfly pallet
Middle part is stamped and formed out downwards downwardly projecting spherical shell, and the center line of spherical shell vertically is overlapped with the center line of conical steel pipe,
Second anchor perforation is provided with spherical shell bottom.
3. anti-HI high impact large deformation energy-absorbing anchoring tray component according to claim 2, it is characterised in that: common flat anchoring
Pallet and butterfly pallet are 150mm by length and width, and thickness is made of the steel plate of 15mm, the first anchor perforation, conical steel pipe upper end
The diameter of mouth and the second anchor perforation is equal, and the diameter of conical steel pipe lower port is consistent with the diameter of spherical shell upper port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821540093.7U CN208793023U (en) | 2018-09-20 | 2018-09-20 | Anti- HI high impact large deformation energy-absorbing anchoring tray component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821540093.7U CN208793023U (en) | 2018-09-20 | 2018-09-20 | Anti- HI high impact large deformation energy-absorbing anchoring tray component |
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| CN208793023U true CN208793023U (en) | 2019-04-26 |
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| CN201821540093.7U Active CN208793023U (en) | 2018-09-20 | 2018-09-20 | Anti- HI high impact large deformation energy-absorbing anchoring tray component |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111852512A (en) * | 2020-07-24 | 2020-10-30 | 东北大学 | Coal mine roadway floor type rock burst prevention and control device and use method |
| CN112648332A (en) * | 2020-12-03 | 2021-04-13 | 北京科技大学 | Spherical cell hole ladder-shaped deformation ore pressure controller and method |
-
2018
- 2018-09-20 CN CN201821540093.7U patent/CN208793023U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111852512A (en) * | 2020-07-24 | 2020-10-30 | 东北大学 | Coal mine roadway floor type rock burst prevention and control device and use method |
| CN111852512B (en) * | 2020-07-24 | 2021-08-27 | 东北大学 | Coal mine roadway floor type rock burst prevention and control device and use method |
| CN112648332A (en) * | 2020-12-03 | 2021-04-13 | 北京科技大学 | Spherical cell hole ladder-shaped deformation ore pressure controller and method |
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