CN107575255B - A kind of anti-fall empennage of resilient support formula resin anchoring agent and injection anchoring process - Google Patents
A kind of anti-fall empennage of resilient support formula resin anchoring agent and injection anchoring process Download PDFInfo
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- CN107575255B CN107575255B CN201710647232.XA CN201710647232A CN107575255B CN 107575255 B CN107575255 B CN 107575255B CN 201710647232 A CN201710647232 A CN 201710647232A CN 107575255 B CN107575255 B CN 107575255B
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- empennage
- fall
- resin anchoring
- stretch panel
- anchoring agent
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Abstract
The invention belongs to the bolting and rope support field of mining industry or traffic tunnel industry, the anti-fall empennage of specifically a kind of resilient support formula resin anchoring agent and injection anchoring process.Including stretch panel and hollow thin-wall cylinder, empennage thin-walled cylinder internal diameter is smaller than resin anchoring agent outer diameter used in conjunction with, outer diameter is smaller than boring aperture, stretch panel is equipped with several, and is uniformly distributed, and stretch panel one end is connected on hollow thin-wall cylinder, one end is freely hanging, stretch panel and hollow thin-wall cylinder are integrally in back taper, and when extended position, the hanging section inscribed circle diameter of stretch panel is greater than bore diameter, and stretch panel tip has acutance.The present invention devises a kind of simple anti-fall empennage easy to install on existing resin anchoring agent, it neither influences in Anchor Agent insertion drilling, it can prevent Anchor Agent from falling out of vertical drilling again, compressed gas pushes the active area of Anchor Agent when furthermore anti-fall empennage can also increase injection in jet hose.
Description
Technical field
The invention belongs to the bolting and rope support field of mining industry or traffic tunnel industry, specifically a kind of resilient supports
The anti-fall empennage of formula resin anchoring agent and injection anchoring process.
Background technique
When current underground mine or traffic tunnel roadway construction, Anchor Care work flow are as follows: got at the top of tunnel first
Meet the drilling of length and diameter；Secondly, construction personnel is on the other hand by one or several resin anchoring agent push-in drillings, the other hand
Anchor Agent tail portion is withstood with anchor pole, prevents it from falling；Then, resin anchoring agent is slowly pushed into drilling with anchor pole by construction personnel
Suitable depth；Resin anchoring agent is stirred evenly using blender；It waits after a certain period of time, top tray and fastening nut.
Existing construction method has the following problems:
1) construction personnel is located at non-support high methane region, and Anchor Agent installation also needs operation of ascending a height, and danger coefficient is big, labour
Intensity is high, and labor efficiency is low.
2) resin anchoring agent needs manually to ascend a height and be inserted into drilling, when more Anchor Agents of installation in a drilling, after
Continuous Anchor Agent needs to withstand an Anchor Agent, is pushed into together.Since Anchor Agent is partially soft, with insertion Anchor Agent quantity in single hole
Increase, insertion difficulty increase severely.
3) after installing resin anchoring agent, to prevent Anchor Agent from falling, it is necessary to insertion anchor pole at once, by the borehole anchorage.
4) existing resin anchoring agent is difficult in the full-automatic Anchor Care work flow of no manual intervention (artificial nonintervention
When, Anchor Agent can fall out of drilling).
Summary of the invention
The present invention provides a kind of anti-fall empennage of resilient support formula resin anchoring agent to solve the problems, such as that background technique is mentioned
And injection anchoring process.
The present invention takes following technical scheme: a kind of anti-fall empennage of resilient support formula resin anchoring agent, including stretch panel
With hollow thin-wall cylinder, hollow thin-wall barrel bore is smaller than resin anchoring agent outer diameter used in conjunction with, and outer diameter compares drilling hole
Diameter is small, and stretch panel is equipped with several, and is uniformly distributed, and stretch panel one end is connected on hollow thin-wall cylinder, and one end is certainly
By hanging, stretch panel and hollow thin-wall cylinder are integrally in back taper, the hanging section inscribed circle of stretch panel when extended position
Diameter is greater than bore diameter, and stretch panel tip has acutance.
Injection apparatus includes hose, swing arm, hydraulic oil pipe, nozzle, frame and injection storehouse, and swing arm one end and frame articulation connect
It connects, oscillating oil cylinder is connected between swing arm and frame, swing arm other end is fixed with nozzle, and nozzle is connect with hose, and nozzle includes
Outer tube and inner nozzle, the side at the top and bottom of outer tube are respectively equipped with epicoele hydraulic fluid port and cavity of resorption hydraulic fluid port, and inner nozzle setting exists
In outer tube, it is equipped with gas vent at the top of inner nozzle, snap ring is equipped on the outside of inner nozzle, snap ring can be blocked by being equipped at the top of outer tube
Annular table is equipped with oil pocket between inner nozzle and outer tube, hose is connect with injection storehouse, sprays in storehouse and is equipped with and stretch panel number
Identical empennage guide groove, the section configuration of empennage guide groove is identical as the shape of stretch panel in transverse direction, empennage guide groove slot
The opening diameter ecto-entad of body successively decreases, and the size of empennage guiding front of the slot is greater than the size of rear end on longitudinal direction, after empennage guide groove
The size at end and the size of stretch panel are consistent, and injection orlop portion is equipped with push rod, and injection storehouse bottom side is equipped with suction nozzle.
Specific step is as follows, and oscillating oil cylinder one end is fixed on frame, and the other end drives swing arm rotation, and swing arm and nozzle are solid
Connection, when oscillating oil cylinder is retracted to extreme position, nozzle guarantees the drilling that alignment has been drilled, by hydraulic in hydraulic oil pipe
The effect of oil realize contact of the nozzle with drilling with separate, oscillating oil cylinder drives nozzle reset after completing injection；Cavity of resorption hydraulic fluid port
Oil inlet pushes inner nozzle to move up along outer tube and contacts with drilling, when the resin anchoring agent with anti-fall empennage sprays in hose
When, empennage guiding groove shape matches with stretch panel, and empennage guiding front of the slot is equipped with the guide section for tilting and gradually thickening, and protects
Card stretch panel when push rod shifts resin anchoring agent onto transmitting position is corresponding with empennage guide groove, and gas vent will be with anti-fall empennage
The air of resin anchoring agent front end be discharged into atmosphere, when the resin anchoring agent with anti-fall empennage enters drilling, with anti-fall tail
The air of the resin anchoring agent front end of the wing is discharged into atmosphere by the gap and gas vent of empennage, when the resin anchor with anti-fall empennage
Gu after agent sprays into drilling, epicoele hydraulic fluid port oil inlet pushes inner nozzle to move down along outer tube and disengages with drilling.
The calculating of the injecting time t of nozzle plenum gas is obtained by following formula:
(1)
Wherein: m-is the resin anchoring agent quality with anti-fall empennage；
Resin anchoring agent of the F-with anti-fall empennage resistance in pipe, the measurement of Special test platform；
G-acceleration of gravity；
H-jetting height, is measured by sensor；
The projected area of the anti-fall empennage of S-and resin anchoring agent in hose；
P-pressure, the measurement of Special test platform.
It is accurate to realize that the injection to the resin anchoring agent with anti-fall empennage carries out by control 2/2-way valve opening/closing time
Control, by the setting to program, several resin anchoring agents, adjacent resin anchoring agent spray are sprayed in realization in the same drilling
The injecting time for successively reducing 0.1S is penetrated, realizes resin anchoring agent in the borehole evenly distributed.
Wear-resisting bottom resistance material is coated in hose.
Compared with prior art, the invention has the following advantages: the present invention devises a kind of simple easy to install and shows
There is the anti-fall empennage on resin anchoring agent, neither in influence Anchor Agent insertion drilling, and Anchor Agent can be prevented from vertical drilling
It inside falls, compressed gas pushes the active area of Anchor Agent when furthermore anti-fall empennage can also increase injection in jet hose.
The indivisible relationship of Time Continuous for releasing installation Anchor Agent process and being inserted between anchor pole process.Two process independences are enabled, just
In the full-automation for realizing the entire drill-through journey of anchor.
Detailed description of the invention
Shape Fig. 1 of the invention and cooperating with resin anchoring agent is schemed；
The sectional view of the anti-fall empennage of Fig. 2 resin anchoring agent；
The posture figure of anti-fall empennage in Fig. 3 resin anchoring agent uphill process；
The posture figure of anti-fall empennage when Fig. 4 resin anchoring agent card resistance is in drilling；
Usage state diagram when Fig. 5 is more Anchor Agents of single hole；
Different case study on implementation citings Fig. 6 of the invention
Fig. 7 injection apparatus structural schematic diagram；
Fig. 8 nozzle arrangements and course of work schematic diagram I；
Fig. 9 nozzle arrangements and course of work schematic diagram II；
Figure 10 has schematic diagram of the stretch panel resin anchoring agent in hose；
Figure 11 is with stretch panel resin anchoring agent in injection storehouse schematic diagram；
Figure 12 is empennage guide groove cross-section diagram；
Figure 13 Jet control schematic diagram；
Figure 14 is nozzle arrangements schematic diagram；
In figure, 1- stretch panel, 2- hollow thin-wall cylinder, 3- resin anchoring agent, 5- drilling, 6- top plate coal wall, 7- hose,
8- swing arm, 9- hydraulic oil pipe, 10- nozzle, 11- frame, 12- epicoele hydraulic fluid port, 14- inner nozzle, 15- gas vent, 16- outer tube,
17- cavity of resorption hydraulic fluid port, 18- 2/2-way valve, 19- pressure reducing valve, 20- oscillating oil cylinder, 21- annular table, 22- oil pocket, 23- snap ring, 30-
Spray storehouse, 31- suction nozzle, 32- push rod, 33- empennage guide groove.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
A kind of anti-fall empennage of resilient support formula resin anchoring agent, including stretch panel 1 and hollow thin-wall cylinder 2 are hollow thin
2 internal diameter of wall cylinder is smaller than resin anchoring agent outer diameter used in conjunction with, and outer diameter is smaller than boring aperture, if stretch panel 1 is equipped with
Dry, and be uniformly distributed, 1 one end of stretch panel is connected on hollow thin-wall cylinder 2, and one end is freely hanging, 1 He of stretch panel
Whole hollow thin-wall cylinder 2 is in back taper, and when extended position, it is straight to be greater than drilling for the hanging section inscribed circle diameter of stretch panel 1
Diameter, 1 tip of stretch panel have acutance.
Injection apparatus include hose 7, swing arm 8, hydraulic oil pipe 9, nozzle 10, frame 11 and injection storehouse 30,8 one end of swing arm with
Frame 11 is articulated and connected, and oscillating oil cylinder 20 is connected between swing arm 8 and frame 11,8 other end of swing arm and nozzle 10 are fixed, nozzle
10 connect with hose 7.Such as Figure 14, nozzle 10 includes outer tube 16 and inner nozzle 14, the side point of 16 top and bottom of outer tube
Not She You epicoele hydraulic fluid port 12 and cavity of resorption hydraulic fluid port 17, inner nozzle 14 be arranged in outer tube 16, at the top of inner nozzle 14 be equipped with gas vent
15, it is equipped with snap ring 23 on the outside of inner nozzle 14, is equipped with the annular table 21 that can block snap ring 23,14 He of inner nozzle at the top of outer tube 16
Oil pocket 22 is equipped between outer tube 16, hose 7 is connect with injection storehouse 30, is equipped in injection storehouse 30 identical as 1 number of stretch panel
Empennage guide groove 33, the section configuration of empennage guide groove 33 is identical as the shape of stretch panel 1 in transverse direction, empennage guide groove 33
The opening diameter ecto-entad of groove body successively decreases, and the size of 33 front end of empennage guide groove is greater than the size of rear end, empennage guiding on longitudinal direction
The size of 33 rear end of slot is consistent with the size of stretch panel 1, and injection 30 bottom of storehouse is equipped with push rod 32, and injection 30 bottom side of storehouse is set
There is suction nozzle 31.
Anti-fall principle of the invention is as follows: when the resin anchoring agent 3 with the anti-fall empennage of resilient support formula is logical in drilling
When row, since the stretch panel 1 on anti-fall empennage is in back taper, external force enables back taper shrink after being obstructed, and does not influence Anchor Agent 3 and is boring
Passage in hole 5.After resin anchoring agent 3 reaches 5 top of drilling, due to gravity, the trend for gliding and falling will be generated.In
Under resin anchoring agent self weight and the big elastic force effect of anti-fall empennage itself, the back taper that each stretch panel 1 is constituted be will be enlarged by, elastic force
When enough, the frictional force between fin and drilling coal wall is just enough to overcome the self weight of resin anchoring agent, and resin anchoring agent is enabled to keep
It is motionless.When elastic force deficiency, resin anchoring agent slightly drops downwards, and the back taper that each stretch panel 1 is constituted will continue to expand, the wing
The sharp place of piece end will penetrate in borehole circumference coal wall, and Anchor Agent must not be fallen in drilling by card resistance.Reach dual anti-fall
Effect.
As shown in Figure 1, the anti-fall empennage of the present invention is mounted in the bag body of resin anchoring agent, therebetween using gluing or
Interference fit is fixed together.
Fig. 2 is the sectional view of the anti-fall empennage of resin anchoring agent, and the internal diameter of hollow thin-walled cylinder 2 is usually than anchoring in the present invention
Small 1 ~ the 3mm of the outer diameter of agent 3 can guarantee that anti-fall empennage is firm in this way and be connected with resin anchoring agent 3；Hollow thin-wall cylinder 2
Outer diameter needs are 3 ~ 6mm smaller than 5 apertures of drilling, so that resin anchoring agent 3 passes through in drilling, reach foot of hole.Elastic force
(elastic force is very big, and back taper is constituted between each fin, and when from bottom to top moving, resistance enables back taper reduce, and does not influence resin anchor for fin
Gu passage of the agent 3 in drilling 5.It from top to bottom moves, resistance enables back taper expand, and forms bigger resistance and enables Anchor Agent no longer
It falls.
As shown in figure 3, the implementation case in use, resin anchoring agent Installation posture should be consistent with Fig. 3, i.e., will guarantee elastic force
The anti-fall empennage of brace type forms back taper in the installation direction of resin anchoring agent, can generate anti-fall effect.
As shown in figure 4, state when the implementation case realizes anti-fall effect, self weight and the elastic force wing in resin anchoring agent 3
Under the big elastic force effect of piece 1, each stretch panel 1 is in widened back taper, and the outer tip patch of fin squeezes drilling, or even insertion drilling coal
Wall achievees the effect that card resistance is anti-fall.
Preferably, by adjusting the internal-and external diameter of hollow thin-wall cylinder 2 and the size of stretch panel 1, therefore it is proposed that
But it is not limited to that an anti-fall empennage is installed on every resin anchoring agent.
Preferably, the principle of the present invention illustrates the case study on implementation using three pieces stretch panel 1, but the present invention is unlimited
In this, two-piece type, three-chip type and the anti-fall empennage of multiple-piece within protection scope, are such as schemed as long as principle is consistent with the present invention
Shown in 6.
As shown in fig. 7, the implementation case realizes that the resin anchoring agent with anti-fall empennage realizes automatic injection.Oscillating oil cylinder
20 one end are fixed on frame, and the other end drives swing arm 8 to rotate, and swing arm 8 is connected firmly with nozzle 10, when oscillating oil cylinder 20 is retracted to pole
When extreme position, nozzle 10 can guarantee the drilling 5 that alignment has been drilled, and be realized by the effect of the hydraulic oil in hydraulic oil pipe 9
Nozzle 10 and the contact of drilling 5 with separate.Oscillating oil cylinder 20 drives nozzle 10 to reset after completing injection.
As shown in Figure 8 and Figure 9, the implementation case realize nozzle 10 with drill 5 contact with separate.17 oil inlet of cavity of resorption hydraulic fluid port
It pushes inner nozzle 14 to move up along outer tube 16 to contact with drilling 5.When the resin anchoring agent with anti-fall empennage sprays in hose 7
When penetrating, the air of the resin anchoring agent front end with anti-fall empennage is discharged into atmosphere by gas vent 15, to reduce advance resistance.Work as band
When the resin anchoring agent of anti-fall empennage enters drilling 5, the air of the resin anchoring agent front end with anti-fall empennage passes through between empennage
Gap and gas vent 15 are discharged into atmosphere, to reduce advance resistance.After the resin anchoring agent with anti-fall empennage sprays into drilling 5, on
12 oil inlet of chamber hydraulic fluid port pushes inner nozzle 14 to move down along outer tube 16 and disengages with drilling 5.It hydraulic is connect relative to traditional
Spring reset is touched, ensure that the reliability of contact and disengaging using full hydraulic drive, has prevented spring and has been lost because long-time is compressed
The danger going elasticity and can not being detached from.
As shown in Figure 10, the implementation case realizes being adapted to for the resin anchoring agent with anti-fall empennage and hose size, and protects
Demonstrate,prove the resistance movement of high speed bottom.It is coated with wear-resisting bottom resistance material inside hose 7, guarantees that hose 7 there are 500 injection service life.7 length 10 of hose
Rice realizes 0 to 7 meter of tunnel arbitrary height, level to vertical injection automatic at any angle.
As shown in figure 11, the implementation case devises special-purpose ejecting storehouse 30, sprays inside storehouse 30 according to the matched difference of institute
1 stretch panel be designed to different empennage guide grooves, including 2 slots, 3 slots and 4 slots.Empennage is oriented to groove shape and stretch panel phase
Matching, for reducing gas leakage.Empennage guiding front of the slot, which is equipped with, to be tilted and the guide section that gradually thickeies, is guaranteed 3 trees in 32 push rods
Stretch panel is corresponding with empennage guide groove when rouge Anchor Agent shifts transmitting position onto.Finally, injection high pressure gas drives resin anchoring
Agent is advanced.
As shown in figure 13, the implementation case is accurately controlled by the injecting time to high pressure gas and is realized with anti-fall empennage
Resin anchoring agent jetting height is precisely controlled.The calculating of the injecting time t of the high pressure gas of nozzle is obtained by following formula:
(1)
Wherein: m-is the resin anchoring agent quality with anti-fall empennage；
Resistance (measurement of Special test platform) in pipe of resin anchoring agent of the F-with anti-fall empennage；
G-acceleration of gravity；
H-jetting height, is measured by sensor；
The projected area of the anti-fall empennage of S-and resin anchoring agent in hose 7；
P-pressure (measurement of Special test platform).
PLC can be realized come the 2/2-way valve opening/closing time in control figure 12 to anti-fall tail by the calculating of formula (1)
The injection of the resin anchoring agent of the wing is accurately controlled.By the setting to program, it can be achieved that being sprayed in the same drilling 5 more
In the case where a resin anchoring agent with anti-fall empennage, the injecting time of 0.1S is reduced successively to realize the anti-fall empennage of multiple bands
Resin anchoring agent is evenly distributed in drilling 5, to realize more preferably anchoring effect, such as Fig. 5.
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art,
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement, all within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this
Within the protection scope of invention.
Claims (3)
1. a kind of injection anchoring process of the anti-fall empennage of resilient support formula resin anchoring agent, it is characterised in that: including stretch panel
(1) and hollow thin-wall cylinder (2), hollow thin-wall cylinder (2) internal diameter are smaller than resin anchoring agent outer diameter used in conjunction with, outer diameter
Smaller than boring aperture, stretch panel (1) is equipped with several, and is uniformly distributed, and stretch panel (1) one end is connected to hollow thin-wall
On cylinder (2), one end is freely hanging, and stretch panel (1) and hollow thin-wall cylinder (2) are in integrally back taper, when extended position
The hanging section inscribed circle diameter of stretch panel (1) is greater than bore diameter, and stretch panel (1) tip has acutance；Injection apparatus packet
Include hose (7), swing arm (8), hydraulic oil pipe (9), nozzle (10), frame (11) and injection storehouse (30), swing arm (8) one end and frame
(11) it is articulated and connected, is connected between swing arm (8) and frame (11) oscillating oil cylinder (20), swing arm (8) other end and nozzle (10)
Fixed, nozzle (10) is connect with hose (7), and nozzle (10) includes outer tube (16) and inner nozzle (14), outer tube (16) top
It is respectively equipped with epicoele hydraulic fluid port (12) and cavity of resorption hydraulic fluid port (17) with the side of bottom, inner nozzle (14) setting is interior in outer tube (16),
Gas vent (15) are equipped at the top of inner nozzle (14), are equipped with snap ring (23) on the outside of inner nozzle (14), being equipped at the top of outer tube (16) can
To block the annular table (21) of snap ring (23), oil pocket (22) are equipped between inner nozzle (14) and outer tube (16), hose (7) and spray
Storehouse (30) connection is penetrated, empennage guide groove (33) identical with stretch panel (1) number, empennage in transverse direction are equipped in injection storehouse (30)
The section configuration of guide groove (33) is identical as the shape of stretch panel (1), and the opening diameter of empennage guide groove (33) groove body is by extroversion
Inside successively decrease, the size of empennage guide groove (33) front end is greater than the size of rear end, the size of empennage guide groove (33) rear end on longitudinal direction
Consistent with the size of stretch panel (1), injection storehouse (30) bottom is equipped with push rod (32), and injection storehouse (30) bottom side is equipped with air inlet
Mouth (31)；
Specific step is as follows, and oscillating oil cylinder (20) one end is fixed on frame, the other end drive swing arm (8) rotation, swing arm (8) with
Nozzle (10) connects firmly, and when oscillating oil cylinder (20) is retracted to extreme position, nozzle (10) guarantees the drilling that alignment has been drilled
(5), by the effect of the hydraulic oil in hydraulic oil pipe (9) realize nozzle (10) with drill (5) contact with separate, when completion spray
Penetrating rear oscillating oil cylinder (20) drives nozzle (10) to reset；(17) oil inlet of cavity of resorption hydraulic fluid port push inner nozzle (14) along outer tube (16) to
Upper movement is contacted with drilling (5), when the injection in hose (7) of the resin anchoring agent with anti-fall empennage, empennage guide groove (33)
Shape matches with stretch panel, and empennage guiding front of the slot is equipped with the guide section for tilting and gradually thickening, and guarantees to set in push rod
Stretch panel is corresponding with empennage guide groove when rouge Anchor Agent shifts transmitting position onto, and gas vent (15) is by the resin anchor with anti-fall empennage
Gu the air of agent front end is discharged into atmosphere, when the resin anchoring agent with anti-fall empennage enters drilling (5), the tree with anti-fall empennage
The air of rouge Anchor Agent front end is discharged into atmosphere by the gap and gas vent (15) of empennage, when the resin anchoring with anti-fall empennage
After agent sprays into drilling (5), it is de- with drilling (5) that (12) oil inlet of epicoele hydraulic fluid port pushes inner nozzle (14) to move down along outer tube (16)
From contact；
The calculating of the injecting time t of nozzle plenum gas is obtained by following formula:
(1)
Wherein: m-is the resin anchoring agent quality with anti-fall empennage；
Resin anchoring agent of the F-with anti-fall empennage resistance in pipe, the measurement of Special test platform；
G-acceleration of gravity；
H-jetting height, is measured by sensor；
The projected area of the anti-fall empennage of S-and resin anchoring agent in hose (7)；
P-pressure, the measurement of Special test platform.
2. the injection anchoring process of the anti-fall empennage of resilient support formula resin anchoring agent according to claim 1, feature exist
In: the injection of the resin anchoring agent with anti-fall empennage is accurately controlled by control 2/2-way valve opening/closing time realization,
By the setting to program, several resin anchoring agents are sprayed in realization in the same drilling, adjacent resin anchoring agent injection according to
The secondary injecting time for reducing 0.1S, realizes resin anchoring agent in the borehole evenly distributed.
3. the injection anchoring process of the anti-fall empennage of resilient support formula resin anchoring agent according to claim 2, feature exist
In: wear-resisting bottom resistance material is coated in hose (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710647232.XA CN107575255B (en) | 2017-08-01 | 2017-08-01 | A kind of anti-fall empennage of resilient support formula resin anchoring agent and injection anchoring process |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710647232.XA CN107575255B (en) | 2017-08-01 | 2017-08-01 | A kind of anti-fall empennage of resilient support formula resin anchoring agent and injection anchoring process |
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| CN107575255B true CN107575255B (en) | 2019-12-03 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108798732A (en) * | 2018-06-26 | 2018-11-13 | 山西天地王坡煤业有限公司 | Anchor Agent sleeve |
| CN112392523B (en) * | 2020-10-29 | 2022-05-17 | 中国矿业大学 | Anchor cable long anchoring agent packaging structure and using method thereof |
| CN112554924B (en) * | 2020-12-02 | 2023-09-12 | 中国煤炭科工集团太原研究院有限公司 | Long-range spray pipe filled with resin anchoring agent |
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|---|---|---|---|---|
| GB2017248A (en) * | 1978-03-23 | 1979-10-03 | Jennmar Corp | Expansion shell assembly for the method of anchoring a bolt in a bore hole in a rock formation |
| CN202117694U (en) * | 2011-04-25 | 2012-01-18 | 范茁芝 | Tubular anchoring agent supporting plate |
| CN204663556U (en) * | 2015-02-12 | 2015-09-23 | 中国矿业大学(北京) | A kind of resin anchoring agent push away resistive fastening devices |
| CN204703937U (en) * | 2015-03-10 | 2015-10-14 | 中国矿业大学(北京) | A kind of suspension fixes the device of anchor cable resin anchoring agent |
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2017
- 2017-08-01 CN CN201710647232.XA patent/CN107575255B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2017248A (en) * | 1978-03-23 | 1979-10-03 | Jennmar Corp | Expansion shell assembly for the method of anchoring a bolt in a bore hole in a rock formation |
| CN202117694U (en) * | 2011-04-25 | 2012-01-18 | 范茁芝 | Tubular anchoring agent supporting plate |
| CN204663556U (en) * | 2015-02-12 | 2015-09-23 | 中国矿业大学(北京) | A kind of resin anchoring agent push away resistive fastening devices |
| CN204703937U (en) * | 2015-03-10 | 2015-10-14 | 中国矿业大学(北京) | A kind of suspension fixes the device of anchor cable resin anchoring agent |
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| CN107575255A (en) | 2018-01-12 |
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