CN210003310U - kinds of mining anti-impact anchor rod - Google Patents
kinds of mining anti-impact anchor rod Download PDFInfo
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- CN210003310U CN210003310U CN201920588879.4U CN201920588879U CN210003310U CN 210003310 U CN210003310 U CN 210003310U CN 201920588879 U CN201920588879 U CN 201920588879U CN 210003310 U CN210003310 U CN 210003310U
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Abstract
The utility model discloses a mining scour protection stock, including the stock body, stock body top anchor is in the country rock preset drilling of mine, stock body middle-end threaded connection has the medium plate, the surface swing joint that the stock body is located between the country rock of medium plate and mine has the layer board, No. two cushion collars have been cup jointed on the surface that the stock body is located between medium plate and the layer board, medium plate upper end both sides fixed mounting has the spring, the utility model discloses a No. two cushion collars and the spring of installation can realize the effect of dual buffering, can effectively carry out certain dispersion and release to the country rock stress that the rock burst produced, reduce the country rock and warp and destroy, guarantee the normal use of tunnel when receiving the rock burst furthest, through the threaded rod of installation, avoid the layer board to suffer damage because of the atress inequality when receiving equidirectional impulsive force pressure, the effectual bearing capacity that improves the layer board, have good prospect.
Description
Technical Field
The utility model relates to a mining equipment technical field specifically is kinds of mining scour protection stock.
Background
The anchor rod is the most basic component of roadway support in the contemporary coal mine, it consolidates the surrounding rock of the roadway at , make the surrounding rock self-support itself, the anchor rod is not only used in the mine, but also used in the engineering technology, carry on the body reinforcement to the side slope, tunnel, dam body, the anchor rod is as the tension member deep into the stratum, its 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 refers to the area of transmitting the pulling force of the anchor rod head to the anchoring body, its function is to exert the prestress to the anchor rod.
However, most mining anchor rods in the market are prone to failure due to sudden increase of pressure when rock burst occurs, even break due to exceeding of yield stress, roadway surrounding rocks which are not supported are severely deformed, the roadway is greatly damaged and cannot be normally used, safety production of mines is seriously threatened, and due to the fact that the impact pressure direction of the roadway surrounding rocks is and vertical downward pressure is not available, when pressure impact occurs on two sides, the traditional anchor rods cannot play a good supporting role, breakage occurs, and backing plates of the traditional anchor rods are fixed and are not convenient for adjusting positions on rod bodies, and therefore installation and fixation of the anchor rods are affected.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide kinds of mining scour protection stock to solve the problem that proposes among the above-mentioned background art.
In order to achieve the purpose, the utility model provides a mining scour protection stock, including the stock body, stock body top anchor is in the country rock preset drilling of mine, stock body middle-end threaded connection has the medium plate, the surperficial swing joint that the stock body lies in between the country rock of medium plate and mine has the layer board, No. two cushion collars have been cup jointed on the surface that the stock body lies in between medium plate and the layer board, medium plate upper end both sides fixed mounting has the spring, and the spring passes through spring holder and medium plate and layer board fixed connection, the welding of medium plate both ends has the curb plate, the threaded rod of curb plate inside threaded connection, threaded rod end passes through fixing base and layer board fixed connection, the threaded rod is end in addition and runs through the curb plate and threaded connection has adjusting nut.
Preferably, stock body bottom threaded connection has the backing plate, backing plate lower extreme swing joint has torque nut, and torque nut and stock body threaded connection, the surface that the stock body is located between backing plate and the medium plate has cup jointed No. cushion sleeves, it is equipped with the antifriction gasket to inlay between No. cushion sleeve bottom and the backing plate, and No. cushion sleeve top and medium plate fixed connection.
Preferably, the surface of the upper end of the supporting plate is fixedly provided with a metal net, and the end of the supporting plate close to the metal net is attached to the surface of the surrounding rock of the mine.
Preferably, No. two cushion sleeves and No. cushion sleeve all specifically form by the preparation of vulcanized rubber material, and follow the stock rod body direction is dentate structure, No. two cushion sleeve tops and layer board fixed connection, and No. two cushion sleeve bottoms and medium plate fixed connection.
Preferably, the anchor rod body and the threaded rod are both made of martensite steel materials, the outer wall of the anchor rod body is provided with thread teeth, and the anchor rod body can be anchored in a preset drilling hole of surrounding rock of a mine through a resin anchoring agent.
Preferably, the central axes of the middle plate and the supporting plate are on the same vertical axis, the length of the middle plate added with the two groups of the side plates is less than that of the supporting plate, and the contact point of the end of the threaded rod with the supporting plate and the contact point of the end of the threaded rod with the side plates are not on the same axis.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a No. two cushion collar and spring of installation, when the in-service use, the layer board is attached and the surrounding rock surface, when rock burst takes place, rock stratum stress release makes the surrounding rock stress in near tunnel increase suddenly, the surrounding rock takes place great deformation promptly, the layer board receives pressure can direct action on No. two cushion collars and spring, No. two cushion collars and spring can carry out the buffer release to the pressure that receives, can reduce the damage that the ram pressure led to the fact the stock body, just calculate when No. two cushion collars and spring receive extrusion deformation, number cushion collars also can play good buffering effect, then can realize the effect of dual buffering, can effectively carry out degree's dispersion and release to the surrounding rock stress that rock burst produced, reduce the damage of surrounding rock deformation, furthest guarantees the normal use of tunnel when receiving the rock burst, guarantee enterprise safety in production, the stress that the stock body bore can be alleviated simultaneously, avoid the stock body to take place to break and become invalid, the extension stock life-life.
2. The utility model discloses a threaded rod of installation, in the time of the in-service use, because the threaded rod is the slope setting, when the layer board receives the impact pressure who comes from both sides, the threaded rod can play fine supporting role, avoid the layer board to suffer the damage because of the atress is uneven when receiving equidirectional impact pressure, the effectual bearing capacity who improves the layer board, and when the height of layer board is adjusted to needs, the height of layer board is adjusted to the rotatory adjusting nut of accessible, be convenient for people to the installation and the fixed of this stock, also enable layer board and country rock surface and laminate more, and good market prospect has.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a top view of the present invention;
FIG. 3 is a schematic view of the enlarged partial structure of the present invention;
fig. 4 is a schematic view of the structure of No. buffer sleeve of the present invention.
In the figure, 1-anchor rod body, 2-backing plate, 3-middle plate, 4-backing plate, 5- # buffer sleeve, 6-side plate, 7-threaded rod, 8-metal net, 9-second buffer sleeve, 10-spring seat, 11-spring, 12-antifriction pad, 13-torque nut, 14-fixed seat and 15-adjusting nut.
Detailed Description
The technical solution in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of , but not all embodiments.
With reference to fig. 1-4, the present invention provides technical solutions, including an anchor rod body 1, wherein the top end of the anchor rod body 1 is anchored in a predetermined surrounding rock borehole of a mine, the middle end of the anchor rod body 1 is connected to a middle plate 3 through a screw thread, the surface of the anchor rod body 1 between the middle plate 3 and the surrounding rock of the mine is movably connected to a support plate 4, a buffer sleeve 9 is sleeved on the surface of the anchor rod body 1 between the middle plate 3 and the support plate 4, springs 11 are fixedly mounted on both sides of the upper end of the middle plate 3, the springs 11 are fixedly connected to the middle plate 3 and the support plate 4 through spring seats 10, side plates 6 are welded to both ends of the middle plate 3, a threaded rod 7 is connected to the side plate 6 through a fixing seat 14, the ends of the threaded rod 7 are fixedly connected to the support plate 4 through the side plates 6 and are connected to adjusting nuts 15 through screw threads, when installed, the top end of the anchor rod body 1 can be anchored in the predetermined surrounding rock borehole through adjusting a torque 13, and the adjusting nuts 15 can be adjusted to adjust the height of the support plate, the support plate 4 and the support the anchor rod body through the buffer sleeve, the buffer sleeve 7 and the buffer sleeve can be adjusted to prevent the rock from being damaged when the rock, the support the rock, the support rod body from being damaged, the rock, the buffer sleeve 9, the rock bolt can be damaged when the rock, the rock bolt can be damaged, the rock bolt can be adjusted when the rock, the rock bolt can be adjusted when the rock, the rock bolt can be adjusted to the rock, the rock bolt can be adjusted to.
Wherein, 1 bottom threaded connection of stock body has backing plate 2, 2 lower extreme swing joint of backing plate have torque nut 13, and torque nut 13 and 1 threaded connection of stock body, No. cushion collar 5 has been cup jointed on the surface that stock body 1 is located between backing plate 2 and the well board 3, it is equipped with antifriction gasket 12 to inlay between 5 bottoms of No. cushion collar and the backing plate 2, and 5 tops of No. cushion collar and 3 fixed connection of well board.
Wherein, the fixed mounting of layer board 4 upper end surface has metal mesh 8, and layer board 4 is close to end and the surrounding rock surface laminating of mine of metal mesh 8, and metal mesh 8 has improved the frictional force between the surrounding rock of layer board 4 and mine.
Wherein, No. two cushion collar 9 and No. cushion collar 5 all specifically form by the preparation of vulcanized rubber material, and follow the stock body 1 direction is dentate structure, No. two 9 tops of cushion collar and 4 fixed connection of layer board, and No. two 9 bottoms of cushion collar and medium plate 3 fixed connection, the definite deflection of can be reserved to dentate structure, can take place the compression deformation of degree when rock burst comes, realizes letting the function of pressing.
Wherein, the stock body 1 and threaded rod 7 all specifically form by the preparation of martensite steel material, and the stock body 1 outer wall is equipped with the thread tooth, the stock body 1 can be through the anchoring of resin anchoring agent in the country rock of mine predetermines the drilling, mainly plays the effect that increases the atress area, reduces pressure.
Wherein the central axes of the middle plate 3 and the supporting plate 4 are on the same vertical axis, the length of the middle plate 3 added with the two groups of the side plates 6 is less than that of the supporting plate 4, and the contact point of the end of the threaded rod 7 with the supporting plate 4 and the contact point of the end of the threaded rod 7 with the other end with the side plate 6 are not on the same axis.
The working principle is that when the bolt is used, the top end of the bolt body 1 can be anchored in a preset surrounding rock drilling hole of a mine, then the bolt is tensioned to a preset pretightening force by adjusting the position of the torque nut 13, and when the height of the supporting plate 4 needs to be adjusted, the height of the supporting plate 4 can be adjusted by rotating the adjusting nut 15, so that people can conveniently install and fix the bolt, the supporting plate is attached to the surface of the surrounding rock, meanwhile, the tension of the spring 11 and the second buffer sleeve 9 can be adjusted, when rock stratum stress is released to enable the stress of the surrounding rock of a nearby roadway to be suddenly increased, the surrounding rock deforms greatly, the supporting plate 4 can directly act on the second buffer sleeve 9 and the spring 11 when rock burst occurs, the second buffer sleeve 9 and the spring 11 can buffer and release the pressure, the damage of the bolt body 1 caused by the impact pressure can be reduced, even when the second buffer sleeve 9 and the spring 11 are extruded and deformed, the buffer sleeve 5 can play a good buffering effect when the second buffer sleeve 9 and the spring 11 are deformed, the stress generated by the impact pressure can be effectively released, the bolt can be released, the bolt body can be prevented from being damaged due to the stress of the bolt from being damaged, the bolt body can be effectively released, the bolt body can be prevented from being damaged when the bolt is damaged, and the bolt is prevented from being damaged, and the bolt 4, and the bolt is prevented from being damaged, and the bolt being damaged from being damaged when the bolt.
It is noted that, herein, relational terms such as , second, and the like are used solely to distinguish entities or operations from another entities or operations without necessarily requiring or implying any actual such relationship or order between such entities or operations, further, the terms "comprise," "include," or any other variation thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a series of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
- The mining scour protection stock of kinds, including the stock body (1), the stock body (1) top anchor is in the country rock preset drilling of mine, its characterized in that, the middle-end threaded connection of stock body (1) has medium plate (3), the surperficial swing joint that the stock body (1) is located between medium plate (3) and the country rock of mine has layer board (4), No. two cushion collar (9) have been cup jointed on the surface that the stock body (1) is located between medium plate (3) and layer board (4), medium plate (3) upper end both sides fixed mounting has spring (11), and spring (11) pass through spring holder (10) and medium plate (3) and layer board (4) fixed connection, the welding of medium plate (3) both ends has curb plate (6), curb plate (6) inside threaded connection has threaded rod (7), threaded rod (7) end passes through fixing base (14) and layer board (4) fixed connection, threaded rod (7) end runs through curb plate (6) in addition and threaded connection has adjusting nut (15).
- 2. The kinds of mining scour protection stock of claim 1, characterized in that the stock body (1) bottom threaded connection has backing plate (2), backing plate (2) lower extreme swing joint has torque nut (13), and torque nut (13) and stock body (1) threaded connection, the surface that the stock body (1) is located between backing plate (2) and medium plate (3) has cup jointed No. cushion collar (5), inlay between No. cushion collar (5) bottom and backing plate (2) and be equipped with antifriction gasket (12), and No. cushion collar (5) top and medium plate (3) fixed connection.
- 3. The kinds of mining anti-impact anchor rods of claim 1, wherein the metal mesh (8) is fixedly installed on the surface of the upper end of the supporting plate (4), and the end of the supporting plate (4) close to the metal mesh (8) is attached to the surface of the surrounding rock of the mine.
- 4. The kinds of mining anti-impact anchor rods of claim 1, wherein the second buffer sleeve (9) and the kind of buffer sleeve (5) are both made of vulcanized rubber, and are in a tooth-shaped structure along the direction of the anchor rod body (1), the top end of the second buffer sleeve (9) is fixedly connected with the supporting plate (4), and the bottom end of the second buffer sleeve (9) is fixedly connected with the middle plate (3).
- 5. The kinds of mining anti-impact anchor rod of claim 1, wherein the anchor rod body (1) and the threaded rod (7) are both made of martensite steel material, and the outer wall of the anchor rod body (1) is provided with thread teeth, and the anchor rod body (1) can be anchored in a preset drilling hole of surrounding rock of a mine through a resin anchoring agent.
- 6. kinds of mining anti-impact anchor rod according to claim 1, characterized in that the central axes of the middle plate (3) and the supporting plate (4) are on the same vertical axis, the length of the middle plate (3) and the two sets of the side plates (6) is less than the length of the supporting plate (4), and the contact point of the end of the threaded rod (7) and the supporting plate (4) and the contact point of the other end of the threaded rod (7) and the side plate (6) are not on the same axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920588879.4U CN210003310U (en) | 2019-04-27 | 2019-04-27 | kinds of mining anti-impact anchor rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920588879.4U CN210003310U (en) | 2019-04-27 | 2019-04-27 | kinds of mining anti-impact anchor rod |
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| Publication Number | Publication Date |
|---|---|
| CN210003310U true CN210003310U (en) | 2020-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920588879.4U Active CN210003310U (en) | 2019-04-27 | 2019-04-27 | kinds of mining anti-impact anchor rod |
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| CN (1) | CN210003310U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109882227A (en) * | 2019-04-27 | 2019-06-14 | 代连朋 | A kind of mining impact preventing anchor rod |
| CN112096434A (en) * | 2020-09-01 | 2020-12-18 | 太原理工大学 | Prevent that ore deposit is pressed and is popped out anchor disc structure that hurts people |
-
2019
- 2019-04-27 CN CN201920588879.4U patent/CN210003310U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109882227A (en) * | 2019-04-27 | 2019-06-14 | 代连朋 | A kind of mining impact preventing anchor rod |
| CN109882227B (en) * | 2019-04-27 | 2024-04-05 | 平顶山天成矿山工程设备有限公司 | Mining scour protection stock |
| CN112096434A (en) * | 2020-09-01 | 2020-12-18 | 太原理工大学 | Prevent that ore deposit is pressed and is popped out anchor disc structure that hurts people |
| CN112096434B (en) * | 2020-09-01 | 2022-08-23 | 太原理工大学 | Prevent that ore deposit from pressing to pop out anchor disc structure of hindering people |
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