CN206319837U - A kind of coal road helps bottom anchoring drill carriage - Google Patents
A kind of coal road helps bottom anchoring drill carriage Download PDFInfo
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- CN206319837U CN206319837U CN201621460007.2U CN201621460007U CN206319837U CN 206319837 U CN206319837 U CN 206319837U CN 201621460007 U CN201621460007 U CN 201621460007U CN 206319837 U CN206319837 U CN 206319837U
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Abstract
This technology is related to field of mining equipment and helps bottom anchoring drill carriage there is provided a kind of coal road, and anchoring operation is carried out to coal road lateral wall for mechanization；A kind of coal road helps bottom anchoring drill carriage, including running gear, not only it may move but also the swingable column agency for being arranged on running gear front end, the mobile slip cap being arranged on column agency, the drilling connecting portion being arranged on slip cap is swung, the drilling part for being used to anchor operation on drilling connecting portion is rotatably arranged on；Running gear at least includes chassis, the crawler type walking mechanism being arranged on chassis, and power set are provided with chassis, and anterior on chassis sets organic frame；Power set are used to drive running gear to advance, for column agency running gear move up it is dynamic with swinging, slip cap is moved on column agency, creep into connecting portion is swung on slip cap, drilling part rotation, drilling part on drilling connecting portion anchor operation and provide power.
Description
Technical field
This technology be related to field of mining equipment there is provided a kind of coal road help bottom anchoring drill carriage, for mechanization to coal road side
Side and base plate carry out anchoring operation.
Background technology
Current coal is still one of main energy sources form of China.Coal in China is exploited based on well work, tunnelling
It is the basis of shaft production, realizes the sustainable development of mine, balance of preparation and winning work is most important.With constantly carrying for mining level
Height, the nervous contradiction of Linking up digging, tunnelling velocity lag turns into the important bottleneck of influence coal production efficiency.
According to statistics, the roadway support time accounts for more than the 2/3 of the driving face propulsion time, and support efficiency is lowly that restriction tunnel is quick
The principal element of driving, as coal industry urgent problem to be solved.Suspension roof support is used as a kind of quick, safety, economy, reliability
Drift support type be at home and abroad widely used, be colliery realize the essential key technology of high-yield and high-efficiency it
One, it has been the revolution again of extraction technique since China's coal-mine successful Application comprehensive mechanical coal mining technology.Improve anchor pole branch
The efficiency and effect of shield, for reduction coal production cost, promote sustainable development it is significant.
Since 1974, China started to introduce, develop, test resin anchor and promoted in major mineral bureaus.
With the continuous improvement of colliery overall technology level, the research that becomes more meticulous to resin bolt support component and construction technology, for
Save material, reduce quantities, reduce cost, improve efficiency it is significant.The scholars such as Kang Hongpu enter for resin anchor
It is capable multiple studies have shown that：The diameter of bolthole and the difference of the bolt diameter anchoring property in 6-8mm are optimal, excessive or too small equal
Detrimental effect is brought to anchor force；Anchor pole should occupy center in bolthole, otherwise can cause both sides stress distribution
There is notable difference, cause the scope increase of Anchor Agent plastic zone, additional bending moment effect is produced to anchor pole, answer rockbolt stress state
Hydridization；Research it has also been found that, the mixing effect difference of resin anchoring agent will have a strong impact on anchor force, therefore should be in strict accordance with requiring to install
Anchor pole and agitating resin Anchor Agent.
Shown in Figure 1, the roadway surrounding rock in colliery coal road 100 is made up of top board 101, two lateral walls 102 and base plate 103,
In addition to the less supporting of base plate 103, the general lateral wall 102 of top board 101 and two is required for supporting, and two lateral walls 102 are to compare soft broken
Coal body, even more roadway support emphasis.
In the practice of current coal production, hand-held monomer rig pore-creating, the form of construction work are used lateral wall anchor bolt construction more
There is following defect：（1）Drilling rod is promoted to be promoted by artificial during drilling, it is impossible to ensure pore-forming axis verticality, cause pore-forming
Effect is poor；（2）For security consideration, the torque ratio of the type rig is relatively low, not good to the mixing effect of resin anchoring agent, influence
Anchoring effect；（3）For the lateral wall anchor pole of full-height scope, it is difficult to which one-off construction is, it is necessary to layered driving or floating by base plate
Coal carries out top construction, clears up bottom construction is carried out after float coal afterwards；（4）Mechanization degree is low, and the labor intensity of workman is big, labor
Efficiency of movement is low.Based on above construction characteristic, the anchoring effect of lateral wall anchor pole is have impact on, and the increasing of bolt consistency may be caused
Plus, had adverse effect for reducing cost, improving efficiency.
The content of the invention
The purpose of this technology is to provide a kind of coal road side bottom anchoring drill carriage, and coal road lateral wall is anchored for mechanization
Operation.
The purpose of this technology is to be achieved through the following technical solutions：
A kind of coal road helps bottom anchoring drill carriage, including running gear, not only may move but also swingable is arranged on running gear front end
Column agency, the mobile slip cap being arranged on column agency swings the drilling connecting portion being arranged on slip cap, rotation is set
Put the drilling part for being used to anchor operation on drilling connecting portion；Running gear at least includes chassis, the crawler belt being arranged on chassis
Formula walking mechanism, is provided with power set on chassis, and anterior on chassis sets organic frame；Power set, which are used to drive, walks
Device is advanced, be column agency running gear move up it is dynamic with swinging, slip cap is moved on column agency, creep into connecting portion exists
Swung on slip cap, drilling part is rotated on drilling connecting portion, drilling part anchoring operation provides power.
The beneficial effect of this technology is：
When helping bottom anchoring drill carriage to the progress anchoring operation of coal road lateral wall using the coal road, running gear marches to operation area,
The state of column agency is adjusted to vertical, slip cap is moved to aiming station along column agency, adjustment drilling connecting portion makes drilling
The target anchor point that portion is helped alignment side, drilling part both can carry out anchoring operation, the target anchor point to the target anchor point
Anchor after the end of job, drilling part rotates 180 °, you can the target anchor point helped to opposite side carries out anchoring operation, completion pair
A pair of anchor points anchoring operation that both sides are helped；Adjustment drilling connecting portion makes drilling part be directed at next target anchor point, both can be right
Lower a pair of target anchor solid points carry out anchoring operation.
Obviously, above-mentioned coal road side bottom anchoring drill carriage can carry out mechanization when carrying out anchoring operation to the lateral wall of coal road two
Anchor operation.When anchoring operation, the angle of drilling part can be adjusted, to meet the anchoring operation of different angle requirements.
As the improvement to this technology, column agency includes a pair of U-shaped track being hinged in frame, and movement is arranged on U
Column fixed plate in shape track, connects firmly the column in column fixed plate；The top of column is provided with support oil cylinder.Vertical
Fine setting oil cylinder is hinged between post fixed plate and frame, angular adjustment oil cylinder is hinged between U-rail and frame.
Above-mentioned improvement, support cylinder piston rod, which stretches out, holds out against top board, it is ensured that the stabilization of whole machine in boring procedure.U-rail
Interior setting column fixed plate, fine setting hydraulic oil cylinder driving column fixed plate is oriented to accurate when being moved in U-rail.
As the further improvement to this technology, slip cap is slidably connected with column with guide rail slide block pair, and slip cap is with standing
Rack-and-pinion is provided between post.
It is this to improve, when ensureing that slip cap is slided on column by guide rail slide block pair, reduce between slip cap and column
Friction；Meanwhile, the characteristic being precisely driven using rack-and-pinion allows slip cap to be moved to the either objective position of column,
Also, using the good self-locking property of rack-and-pinion, slip cap can be locked in either objective position.
As the further improvement to this technology, drilling connecting portion includes connecting firmly the slip cap connecting plate on slip cap,
At least one pair of is arranged up and down, one end is hinged on connecting rod on slip cap connecting plate, and the other end of connecting rod is hinged with drilling connecting plate；
Regulation oil cylinder is hinged between slip cap connecting plate and connecting rod；The equal length of connecting rod.
This to improve, drilling connecting portion uses the four-bar linkage structure of parallelogram, realizes that drilling connecting plate is being put down vertically
Translation in face, beneficial to drilling part to knife.
As the further improvement to this technology, drilling part includes drilling part base plate, is set with the connection of guide rail slide block pair, movement
The drilling cramp on the base plate of drilling part is put, with the connection of guide rail slide block pair, the multiplication mechanism by being arranged between drilling cramp and drilling motor
Drive, the mobile drilling motor being arranged on drilling cramp, are detachably arranged at the drilling rod on drilling motor.
Adjustment oil cylinder is provided between drilling part base plate and drilling cramp；Drilling oil cylinder is provided with drilling cramp, oil cylinder is crept into
For two-way cylinder, the bearing pin vertical with piston rod is fixed with the piston rod top of drilling oil cylinder, fork-shaped is hinged with bearing pin
Connecting rod, the two ends of forked link, which are all rotated, is provided with sprocket wheel, and all movement is provided with chain on sprocket wheel, and one end of two chains is all
It is hinged on drilling cramp, the other end is all hinged on drilling motor.
Above-mentioned improvement, adjustment oil cylinder and drilling oil cylinder are combined, and can accomplish to creep into motor fast advance and retreat, when saving to knife
Between；The flexible multiplication mechanism by drilling cramp mounted inside of cylinder piston rod is crept into, drives drilling motor to be moved along drilling cramp, realizes and bore
Rapid feed and rapid return during hole.
As the further improvement to this technology, rotary decelerating is provided between drilling part base plate and drilling connecting plate
Device.
It is this to improve, it can realize that drilling part 360 ° on drilling connecting plate, stepless rotation, is met using rotary reducer
Multistation, multi-angle construction demand.
Brief description of the drawings
A kind of coal roads of Fig. 1 help the structural representation of bottom anchoring drill carriage；
Fig. 2 Fig. 1 side view；
Schematic diagram when a kind of coal road side bottom anchoring drill carriage non-horizontal of Fig. 3 drills；
The structural representation of Fig. 4 running gears；
A kind of local coal road of Fig. 5 blankings running gear helps the structural representation of bottom anchoring drill carriage；
A kind of structural representation at the local another visual angle of coal road side bottom anchoring drill carriage of Fig. 6 blankings running gear；
Fig. 7 Fig. 6 A is to partial view；
Fig. 8 creeps into the structural representation of connecting portion；
The structural representation of Fig. 9 drilling parts；
The structural representation at another visual angle in Figure 10 drilling parts；
The structural representation of Figure 11 slip caps；
The structural representation of Figure 12 multiplication mechanisms.
Embodiment
Below in conjunction with the accompanying drawings, this technology is described further：
Bottom anchoring drill carriage is helped referring to the coal road shown in Fig. 1, Fig. 2, Fig. 3, mainly by drilling part 1, drilling connecting portion 2, slip
Set 3, column agency 4, running gear 6 are constituted.
It is drilling part 1, drilling connecting portion 2, slip cap 3, the motion of column agency 4 to meet Safety of Coal Mine Production requirement
The power set for providing power are the hydraulic system being arranged on running gear 6.
Again shown in Figure 4, the agent structure of running gear 6 is prior art, therefore summary.Running gear 6 includes chassis 62,
It is arranged on the crawler type walking mechanism 61 on chassis 62.Power set are provided with chassis 62, power set are used to drive row
Walking apparatus 6 is advanced, and is that column agency 4 is moved on running gear 6 with swinging, slip cap 3 is moved on column agency 4, crept into
Connecting portion 2 is swung on slip cap 3, drilling part 1 is rotated on drilling connecting portion 2, the anchoring operation of drilling part 1 provides power.
Power set are hydraulic system, including motor pump component 66, store and simultaneously provide hydraulic pressure for motor pump component 66
The fuel tank 64 of oil, the electromagnetic starter 65 of the running status of controlled motor oil pump component 66, adjustment, control, distribution power oil flow direction
With the hydraulic control system 63 of pressure.
Anterior on chassis sets organic frame, is that column agency 4 provides support.Frame is by connecting firmly the one of the front portion of chassis 62
To chassis free bearing 67 and connect firmly on chassis 62, the portal frame 69 behind chassis free bearing 67 is constituted, also set on portal frame
It is equipped with a pair of portal frame free bearings 68.
Again referring to shown in Fig. 5, Fig. 6, Fig. 7, column agency 4 mainly includes a pair of U-shaped track 51, and column fixed plate 54 is stood
Post 41.
During specific implementation, U-rail 51 is connected on a piece of base plate 53, and two notches of U-rail 51 are positioned opposite,
Be fixed with base plate 53 before base plate after free bearing 592 and base plate free bearing 591 each pair, free bearing 592 leads to before chassis free bearing 67 and base plate
Cross bearing pin 56 to be hinged, be hinged with angular adjustment oil cylinder 57 between free bearing 591 and portal frame free bearing 68 after base plate.
To reduce friction, nylon lining groove 52 is embedded with U-rail 51.In nylon lining groove 52, movement is provided with vertical
Post fixed plate 54.Fine setting link 55 is fixedly connected with below column fixed plate 54, fine setting oil cylinder 58 is hinged on base plate 53 and micro-
Between tune link 55.
Column 41 is connected by bolt and column fixed plate 54.
Column 41 is the square tube of rectangular cross section, and top is provided with support oil cylinder 42, when the piston rod of support oil cylinder 42 stretches out with
Hold out against, it is ensured that the stabilization of whole machine in boring procedure, stretched out and top board 101 to reduce the piston rod of support oil cylinder 42 between top board 101
Between pressure when holding out against, the piston rod part of support oil cylinder 42 is provided with supporting plate 421.Longitudinally gone back along column on column 41
It is fixed with tooth bar 43.
Again shown in Figure 11, the movement of slip cap 3 is arranged on column agency, i.e. the movement of slip cap 3 is arranged on column 41
On.In fact, column 41 is as guide rail, slip cap 3 is as sliding block, and both constitute guide rail slide block pair, rotates and sets on slip cap 3
Gear 5 is equipped with, composition rack-and-pinion is engaged with the tooth bar 43 on column 41, by the hydraulic motor 502 being arranged on slip cap 3
Power is provided by decelerator 501, slip cap 3 is slided up and down along column 41, bit selecting operation above and below realization.
The concrete structure of slip cap 3 is：Four sides inside body 31 are mounted on nylon backboard 32, nylon backboard 32
Directly contacted with column 41, frictional force is small in motion process, abrasion is few.All set on four side plates of body 31 with screw thread pair
There is adjusting screw 37（Adjusting screw 37 on one side is only shown in figure）, adjusting screw 37 is close to contradict nylon backboard 32, when
When nylon backboard 32 weares and teares, adjusting screw 37 can be suitably screwed in, keeps reasonable between nylon backboard 32 and column 41
Gap.Gear 5 is engaged with the tooth bar 43 being installed on column 41.The rotary motion of hydraulic motor 502 is slowed down by decelerator 501
Afterwards, rotated by axle 34 with moving gear 5, cause whole slip cap 3 along column about 41 by the engagement of gear-tooth bar
Slide.
Swung on slip cap 3 and be provided with drilling connecting portion 2.
Again referring to shown in Fig. 8, Fig. 9, Figure 10, drilling connecting portion 2 includes connecting firmly the slip cap connecting plate on slip cap 3
24, at least one pair of is arranged up and down, one end is hinged on connecting rod 22 on slip cap connecting plate 24, the equal length of each connecting rod 22, even
The other end of bar 22 is hinged with drilling connecting plate 21, during to ensure that slip cap 3 is swung, and the swinging plane of drilling connecting plate 21 will not
Change, that is, ensure translation when drilling connecting plate 21 is moved, slip cap connecting plate 24, connecting rod 22, drilling connecting plate 21 are constituted
One parallelogram linkage；Regulation oil cylinder is hinged with by bearing pin 25 between slip cap connecting plate 24 and connecting rod 22
23, drive drilling connecting plate 21 to swing by parallelogram linkage when regulation oil cylinder 23 piston rod is flexible, and then drive
Realize the conversion of position in drilling part 1.In this case, connecting rod 22 selects two pairs, the equal length of each connecting rod 22.
Drilling part 1 includes drilling part base plate 12, with the connection of guide rail slide block pair, the mobile brill being arranged on drilling part base plate 12
Frame 13, drives, movement is arranged on the connection of guide rail slide block pair, by the multiplication mechanism being arranged between drilling cramp 13 and drilling motor 15
Drilling motor 15 on drilling cramp 13, is detachably arranged at the drilling rod 14 on drilling motor 15.
Rotary reducer 17 is provided between drilling part base plate 12 and drilling connecting plate 21, it is illustrated that in, rotary reducer 17
Inner ring connected firmly with drilling part base plate 12, the outer ring of rotary reducer 17 and drilling connecting plate 12 are connected firmly.Rotary reducer 17 leads to
Cross hydraulic motor 171 to drive, realize the rotation between the inside and outside circle of rotary reducer 17, inner ring drives drilling part base plate, and then band
Rotation is realized in dynamic drilling part 1, meets different bore angle demands.
Drilling cramp 13 is slidably connected with drilling part base plate 12 with guide rail slide block pair, during specific implementation, 12 on the base plate of drilling part
Guide groove is opened up, drilling cramp 13 is slidably arranged in guide groove.Adjustment oil cylinder 11 is set between drilling part base plate 12 and drilling cramp 13 to be used for
Driving drilling cramp 13 is slided in guide groove to adjust drilling part base plate 12 in the position of axis direction, realizes the overall tune of drilling cramp 13
Section, adapts to different position of opening.
Drilling motor 15 is also slidably connected with drilling cramp 13 with guide rail slide block pair, is driven by the multiplication mechanism being arranged in drilling cramp 13
Dynamic drilling motor 15 is moved on drilling cramp.During specific implementation, but it is shown in Figure 12, drilling oil cylinder is provided with drilling cramp 13
16, drilling oil cylinder 16 is two-way cylinder, and the bearing pin vertical with piston rod is fixed with the piston rod top of drilling oil cylinder 16
1301, be hinged with forked link 1302 on bearing pin 1301, the two ends of forked link 1302 rotate respectively be provided with sprocket wheel 161,
163, movement is provided with chain 162,164 respectively on sprocket wheel 161,163, and one end of two chains is all hinged on drilling cramp 13,
The other end of chain 162 is hinged on drilling motor 15 by bearing pin 1303, and the other end of chain 164 is also cut with scissors by bearing pin 1304
It is connected on drilling motor 15.When drilling oil cylinder 16 piston rod is flexible, forked link 1302 is driven by creeping into oil cylinder bearing pin 1301
It is moved forward or rearward, the motion of forked link 1302 drives chain 161,163 to be transferred to drilling motor 15 by sprocket wheel so that
The displacement of drilling motor 15 is creep into the piston rod collapsing length of oil cylinder 16 2 times, i.e. by the mechanism, will can be crept into
The stroke of oil cylinder 16 amplifies 2 times.The mechanism is multiplication mechanism.
Drilling rod 14 is detachably arranged on drilling motor 15, stability during to ensure that drilling rod 14 is crept into, on drilling cramp 13
It is additionally provided with the leading truck 131 with drill bushing.
When using：
When helping bottom anchoring drill carriage to the progress anchoring operation of coal road lateral wall using the coal road, running gear marches to operation area,
According to landform, the state of column is adjusted to vertical.Support cylinder action, holds out against between top board, it is ensured that whole machine in boring procedure
Stabilization.
Slip cap is moved to aiming station along column agency, and adjustment drilling connecting portion makes drilling part be directed at the mesh that side is helped
Anchor point is marked, drilling part can both carry out anchoring operation to the target anchor point, after the target anchor point anchoring end of job, drilling
Portion rotates 180 °, you can the target anchor point helped to opposite side carries out anchoring operation, completes a pair of the anchorings helped to both sides
Point anchoring operation；Adjustment drilling connecting portion makes drilling part be directed at next target anchor point, and both lower a pair of target anchors solid point can be entered
Row anchoring operation.
During above-mentioned anchoring operation is work flow when being positioned at a height for slip cap, the work flow, operation
Scope is the hunting range of drilling connecting portion.After the end of job in this job area, mobile slip cap is to next high
Degree can carry out subsequent job.
The beneficial effect of this technology is：
Lateral wall and base plate the anchor bolt construction equipment of mechanization, improve hole quality, improve the mixing effect of Anchor Agent, and then
Improve lateral wall and the anchor rod anchored performance of base plate；
Avoid being currently based on the defect of monomer equipment lateral wall and base plate anchor pole operation, improve lateral wall and base plate anchor bolt construction
Mechanization Level；
Towards lateral wall full-height scope anchor pole mechanized construction equipment, result in less anchor pole rise bottom height with
And the less hangar clearance of highest order anchor pole.
Multiplication mechanism is set, rapid feed and rapid return is realized, raises labour efficiency.
Claims (8)
1. a kind of coal road helps bottom anchoring drill carriage, it is characterized in that, including running gear not only may move but also swingable be arranged on walking dress
The column agency of front end is put, the mobile slip cap being arranged on column agency swings the drilling connecting portion being arranged on slip cap,
It is rotatably arranged on the drilling part for being used to anchor operation on drilling connecting portion；Running gear at least includes chassis, is arranged on chassis
Crawler type walking mechanism, power set are provided with chassis, anterior on chassis sets organic frame；Power set are used to drive
Dynamic running gear is advanced, be column agency running gear move up it is dynamic with swinging, slip cap is moved on column agency, creep into company
Socket part is swung on slip cap, drilling part is rotated on drilling connecting portion, drilling part anchoring operation provides power.
2. coal road according to claim 1 helps bottom anchoring drill carriage, it is characterized in that, column agency includes being hinged in frame
A pair of U-shaped track, the mobile column fixed plate being arranged in U-rail, connects firmly the column in column fixed plate；In column
Top is provided with support oil cylinder.
3. coal road according to claim 2 helps bottom anchoring drill carriage, it is characterized in that, it is hinged between column fixed plate and frame
There is fine setting oil cylinder, angular adjustment oil cylinder is hinged between U-rail and frame.
4. coal road according to claim 1 or 2 helps bottom anchoring drill carriage, it is characterized in that, slip cap is with column with guide rail slide block
Pair is slidably connected, and rack-and-pinion is provided between slip cap and column.
5. coal road according to claim 1 helps bottom anchoring drill carriage, it is characterized in that, drilling connecting portion includes connecting firmly in slip cap
On slip cap connecting plate, at least one pair of is arranged up and down, one end is hinged on connecting rod on slip cap connecting plate, the other end of connecting rod
It is hinged with drilling connecting plate；Regulation oil cylinder is hinged between slip cap connecting plate and connecting rod；The equal length of connecting rod.
6. coal road according to claim 1 helps bottom anchoring drill carriage, it is characterized in that, drilling part includes drilling part base plate, to lead
The connection of rail sliding block pair, the mobile drilling cramp being arranged on the base plate of drilling part, with the connection of guide rail slide block pair, by being arranged on drilling cramp and drilling
Multiplication mechanism between motor drives, the mobile drilling motor being arranged on drilling cramp, is detachably arranged at the brill on drilling motor
Bar.
7. coal road according to claim 6 helps bottom anchoring drill carriage, it is characterized in that, set between drilling part base plate and drilling cramp
There is adjustment oil cylinder；Drilling oil cylinder is provided with drilling cramp, drilling oil cylinder is two-way cylinder, is consolidated on the piston rod top of drilling oil cylinder
The bearing pin vertical with piston rod is connected with, forked link is hinged with bearing pin, the two ends of forked link, which are all rotated, is provided with sprocket wheel,
All mobile on sprocket wheel to be provided with chain, one end of two chains is all hinged on drilling cramp, the other end is all hinged on drilling motor
On.
8. bottom anchoring drill carriage is helped according to any described coal road of claim 1,5,6, it is characterized in that, base plate and drilling in drilling part
Rotary reducer is provided between connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621460007.2U CN206319837U (en) | 2016-12-28 | 2016-12-28 | A kind of coal road helps bottom anchoring drill carriage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621460007.2U CN206319837U (en) | 2016-12-28 | 2016-12-28 | A kind of coal road helps bottom anchoring drill carriage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206319837U true CN206319837U (en) | 2017-07-11 |
Family
ID=59260688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621460007.2U Active CN206319837U (en) | 2016-12-28 | 2016-12-28 | A kind of coal road helps bottom anchoring drill carriage |
Country Status (1)
| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106593298A (en) * | 2016-12-28 | 2017-04-26 | 煤炭科学研究总院南京研究所 | Coal roadway side bottom anchoring drill carriage |
| CN108167006A (en) * | 2018-01-19 | 2018-06-15 | 中国矿业大学(北京) | A kind of rock roadway in coal mine brill anchor device and its construction method |
-
2016
- 2016-12-28 CN CN201621460007.2U patent/CN206319837U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106593298A (en) * | 2016-12-28 | 2017-04-26 | 煤炭科学研究总院南京研究所 | Coal roadway side bottom anchoring drill carriage |
| CN106593298B (en) * | 2016-12-28 | 2018-11-13 | 南京科工煤炭科学技术研究有限公司 | A kind of coal road side bottom anchoring drill carriage |
| CN108167006A (en) * | 2018-01-19 | 2018-06-15 | 中国矿业大学(北京) | A kind of rock roadway in coal mine brill anchor device and its construction method |
| CN108167006B (en) * | 2018-01-19 | 2019-04-05 | 中国矿业大学(北京) | A kind of rock roadway in coal mine drilling anchor device and its construction method |
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Address after: 210018 Zhujianglu Road, Nanjing City, Nanjing, Jiangsu Province, No. 370, Zhujianglu Road Patentee after: Nanjing coal science and Technology Research Co., Ltd. Address before: 210018 Zhujianglu Road, Nanjing City, Nanjing, Jiangsu Province, No. 370, Zhujianglu Road Patentee before: Nanjing Inst., Coal Scientific General Inst. |