CN107130656A - Mine underground bores anchor broken rock integrated digging formula loading machine - Google Patents
Mine underground bores anchor broken rock integrated digging formula loading machine Download PDFInfo
- Publication number
- CN107130656A CN107130656A CN201710244552.0A CN201710244552A CN107130656A CN 107130656 A CN107130656 A CN 107130656A CN 201710244552 A CN201710244552 A CN 201710244552A CN 107130656 A CN107130656 A CN 107130656A
- Authority
- CN
- China
- Prior art keywords
- rear end
- skimming
- hinged
- piston
- frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/96—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements
- E02F3/961—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements with several digging elements or tools mounted on one machine
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/96—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements
- E02F3/966—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements of hammer-type tools
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/30—Auxiliary apparatus, e.g. for thawing, cracking, blowing-up, or other preparatory treatment of the soil
- E02F5/305—Arrangements for breaking-up hard ground
Abstract
Anchor broken rock integrated digging formula loading machine is bored the invention discloses a kind of mine underground, is related to a kind of backhoe loader used in underground.It includes running part, body, frame, frame rear end is connected with body front end, in the middle part of the body hoisting mechanism is mounted on central rack, hoisting mechanism top is provided with the link being fixed between the body and frame, slag scraping mechanism is installed on link, slag scraping mechanism front end is provided with catalase mechanism, frame front lower portion is connected with front shovel portion, body rear end is connected with after-poppet, rack-mounted slide rail is equipped with the left of slag scraping mechanism and on the right side of slag scraping mechanism, has anchor pole mechanism to be arranged on the slide rail and can be slided on slide rail.The present invention can realize the operation integration of pick anchor in narrow, greatly save the working time, improve the security of underground work.
Description
Technical field
The present invention relates to a kind of backhoe loader used in underground, specifically a kind of mine underground bores anchor broken rock
Integrated digging formula loading machine.
Background technology
Backhoe loader is the synthesization excavating equipment for integrating excavation, loading, walking etc., is mainly used in tunnel digging
The collection of rubble earth material and conveying entrucking construction of the engineerings such as pick, mine engineering, hydraulic engineering.Current backhoe loader is main
There is some following deficiency：
1st, in underground coal mine tunneling process is carried out using existing loading machine, due to by working space and loading machine function
Limitation, when loading machine, which runs into driving face, there is high rigidity rock stratum or larger declined sillar, prior art will first must be loaded
Machine exits working face, and is completed by rock drill after rock-breaking drilling process, can proceed to tunnel and excavate loading work.It is above-mentioned
Prior art adds working procedure, it is impossible to reaches effective driving and loads effect.Loaded even if existing part is excavated
Machine is accompanied with rock drilling function, but due to the irrationality of its design structure, makes equipment availability inefficiency, have a strong impact on tunnel
Driving speed.
2nd, during tunnelling, due to being influenceed by movement and supporting effect, roadway surrounding rock may
Unstability, equally by working space and loading machine function restriction, now needs that loading machine first is exited into working face, complete by jumbolter
Into perforating process, after anchor pole and country rock form common supporting body, it can just proceed to tunnel and load work, have a strong impact on
Working face operation.
3rd, existing loader-digger (refering in particular in the underground engineerings such as colliery or tunnel) can only carry out single conveying of skimming
Function, function is relatively simple, and operating efficiency is relatively low.
The content of the invention
The invention aims to overcome the weak point of background technology, and a kind of mine underground is provided and bores anchor broken rock one
Body backhoe loader.
To achieve these goals, the technical scheme is that：Mine underground bores anchor broken rock integrated digging formula and loaded
Machine, it is characterised in that：Including can be walked in underground running part, be installed on running part upper rear end and can be with running part
Mobile body, the frame that is installed on running part upper front end and can be moved with running part, frame rear end and body front end
Hoisting mechanism is mounted on central rack in the middle part of connection, the body, hoisting mechanism top, which is provided with, is fixed on the body
Slag scraping mechanism is installed, slag scraping mechanism front end is provided with catalase mechanism, frame on the link between frame, link
Front lower portion is connected with front shovel portion, and body rear end is connected with the left of after-poppet, slag scraping mechanism and is equipped with peace on the right side of slag scraping mechanism
Slide rail in frame, has anchor pole mechanism to be arranged on the slide rail and can be slided on slide rail；The catalase mechanism
Including piston, drill steel, valve body, hydraulic cylinder, rear body and precursor, the precursor rear end is connected with hydraulic cylinder front end, piston nose position
In in precursor, piston rear end is located in hydraulic cylinder, and hydraulic cylinder is located at afterwards in vivo, and piston nose is set with after guide sleeve, guide sleeve
End is located in precursor provided with the seal washer being tightly connected with guide sleeve, guide sleeve rear end, and guide sleeve front end is located at outside precursor,
Drill steel rear end sequentially passes through guide sleeve and piston, and drill steel rear end is connected with the fixed block on piston, drill steel front end position
Outside precursor, piston ring is connected between the piston and hydraulic cylinder, the valve body is installed on hydraulic cylinder lower end, and valve body is logical
Cross and be arranged at the air intake duct of cylinder lower and connected with piston ring；The anchor pole mechanism include the first support arm, the second support arm,
Oil pocket, chamber of getting into the cave, the first oil cylinder, the second oil cylinder, the sliding platform on slide rail, the first support arm rear end and sliding platform upper end
It is hinged, the first support arm front end is connected with oil pocket upper end and the second support arm rear end successively, described first oil cylinder one end and sliding
Platform lower end is hinged, and the other end is hinged with the first support arm front end, and described second oil cylinder one end is hinged with oil pocket lower end, the other end with
Chamber upper end of getting into the cave is hinged, and is hinged in the middle part of chamber of getting into the cave with the second support arm front end, and intracavitary of getting into the cave is provided with drilling.
In the above-mentioned technical solutions, the valve body includes being installed on the bonnet of hydraulic cylinder bottom, is installed on inside bonnet
Clack box and the valve element being installed on inside clack box, the valve element are connected by air intake duct with piston ring.
In the above-mentioned technical solutions, the slag scraping mechanism includes fixed pedestal, two spaced apart postbrachiums of skimming, stretchings
Pedestal, stretching oil cylinder, push oil cylinder is lifted, is lifted and is pushed away pedestal, skims and forearm and take off slag bucket, the fixed pedestal is arranged on link,
Fixed pedestal top successively with postbrachium of skimming, skim forearm and skim bucket lower end be hinged, the upper rear end for postbrachium of skimming is connected with
Stretch pedestal, postbrachium front lower portion of skimming is connected with act and pushes away pedestal, fixed pedestal bottom successively with lift push oil cylinder, lift push away pedestal and
Postbrachium front end of skimming is hinged, and catalase mechanism is arranged on by connection sheet and skimmed on forearm, stretching oil cylinder and to lift push oil cylinder equal
Between two postbrachiums of skimming.
In the above-mentioned technical solutions, the front shovel portion includes five pawls being arranged on shovel board bucket at shovel board bucket and two intervals
Rotating disk.
Relative to prior art, the present invention has the advantage that：
1st, the present invention is provided with quartering hammer on slag scraping mechanism, can not only realize and lump rock is crushed, Er Qieqi
Appearance character for traditional rock drill, with small volume, it is flexible the characteristics of；On the other hand, because quartering hammer
Skimmed bucket back upper place positioned at extended position, it is possible to achieve rock drilling and the efficient cooperation of function of skimming.
2nd, the present invention is provided with the roof-bolter for punching in body both sides, and pick anchor operation can be realized in narrow
Integration, greatlys save the working time, improves the security of underground work.
3rd, five pawl rotating disks used in front shovel portion of the invention, on the one hand add contact area during rotating disk scraping delivery rock
With ability to bear, on the other hand five claw rotating disks scraping delivery fractured rock amount in same time is relatively more, substantially increases work
Efficiency.
4th, the present invention has catalase mechanism, and catalase mechanism can crushing hard rock stratum or large rock mass, convenient pick
Enter machine driving (helping it to crush competent bed) or sillar is outwards conveyed, and catalase mechanism is located at bucket top of skimming, and saves
Space, is fitted close；Anchor pole mechanism can set anchor pole, convenient to reinforce country rock.
5th, the effect of each part of the invention is as follows：
1. anchor pole mechanism：When carrying out tunnel excavation or tunnelling, anchor pole is set for being drilled in country rock, reinforcing is enclosed
Rock.
2. catalase mechanism：In working space, when running into large rock mass or competent bed, catalase can be used
Mechanism is broken for rock fritter, facilitates Lifting Convey.
3. hoisting mechanism：Coordinate front shovel portion, front shovel portion is taken off to the rock sent the mechanism end is transported to by hoisting mechanism
(there is the device of similar mine car hoisting mechanism end, contains the rock of hoisting mechanism conveying in the mine car of lower section or other conveying mechanisms
Stone material).
4. after-poppet：For balancing whole body.
5. slag scraping mechanism：Development machine fragmented rock (or other tunnel rubbles) and front shovel portion are conveyed, coordinates hoisting mechanism
Conveying.
Brief description of the drawings
Fig. 1 is to be of the invention along structural representation during main view direction.
Fig. 2 is to be of the invention along structural representation during overlook direction.
Fig. 3 is the structural representation of catalase mechanism.
Fig. 4 is the structural representation of slag scraping mechanism.
Fig. 5 is the structural representation of anchor pole mechanism.
Fig. 6 is the structural representation in front shovel portion.
1- bodies, 2- running parts, 3- frames, 4- anchor poles mechanism, the support arms of 41- first, the support arms of 42- second, 43- oil
Chamber, 44- gets into the cave chamber, the oil cylinders of 45- first, the oil cylinders of 46- second, 47- sliding platforms, 48- drillings, 5- catalases mechanism, 50- air inlets
Road, 51- drill steels, 52- guide sleeves, 53- precursors, 54- seal washers, 55- valve bodies, 551- bonnets, 552- clack boxes, 553- valve elements,
Body after 56- hydraulic cylinders, 57- piston rings, 58- pistons, 59-, 6- front shovels portion, 61- shovel board buckets, the pawl rotating disks of 62- five, 7- elevators
Structure, 8- after-poppets, 9- slag scraping mechanisms, 91- fixed pedestals, 92- skims rear wall, and 93- skims forearm, and 94- lifts push oil cylinder, and 95- is drawn
Oil cylinder is stretched, 96- takes off slag bucket, and 97- stretching pedestals, 98- is lifted and pushed away pedestal, 10- slide rails, 11- links, 12- connection sheets.
Embodiment
The performance that the invention will now be described in detail with reference to the accompanying drawings, but they do not constitute limitation of the invention, only
It is for example.Make advantages of the present invention more clear by explanation simultaneously and be readily appreciated that.
Understood refering to accompanying drawing：Mine underground bores anchor broken rock integrated digging formula loading machine, it is characterised in that：Including can be
Underground walking running part 2, be installed on the upper rear end of running part 2 and can be moved with running part 2 body 1, be installed on row
The upper front end of portion 2 and the frame 3 that can be moved with running part 2 are walked, the rear end of frame 3 is connected with the front end of body 1, the body 1
Middle part and the middle part of frame 3 are mounted on hoisting mechanism 7, the top of hoisting mechanism 7 be provided be fixed on the body 1 and frame 3 it
Between link 11, slag scraping mechanism 9 is installed on link 11, the front end of slag scraping mechanism 9 is provided with catalase mechanism 5, frame 3
Front lower portion is connected with front shovel portion 6, and the rear end of body 1 is connected with after-poppet 8, and the left side of slag scraping mechanism 9 and the right side of slag scraping mechanism 9 are all provided with
There is the slide rail 10 in frame 3, there is anchor pole mechanism 4 to be arranged on the slide rail 10 and can be slided on slide rail 10.
It is preferred that, as shown in figure 4, the slag scraping mechanism 9 includes fixed pedestal 91, two spaced apart postbrachiums of skimming
92nd, stretching pedestal 97, stretching oil cylinder 95, lift push oil cylinder 94, lift push away pedestal 98, skim forearm 93 and bucket 96 of skimming, the fixation
Pedestal 91 be arranged on link 11 on, the top of fixed pedestal 91 successively with postbrachium 92 of skimming, skim forearm 93 and skim bucket 96 under
End is hinged, and the upper rear end for postbrachium 92 of skimming is connected with stretching pedestal 97, and the front lower portion of postbrachium 92 of skimming is connected with act and pushes away pedestal
98, the bottom of fixed pedestal 91 successively with lift push oil cylinder 94, act pushes away pedestal 98 and the front end of postbrachium 92 of skimming is hinged, catalase mechanism
5 by connection sheet 12 be arranged on skim on forearm 93, stretching oil cylinder 95 and lift push oil cylinder 94 be respectively positioned on two skim postbrachium 92 it
Between.
It is preferred that, as shown in figure 3, the catalase mechanism 5 includes piston 58 (being used to provide power), drill steel 51, valve
Body 55, hydraulic cylinder 56, rear body 59 and precursor 53, the rear end of precursor 53 are connected with the front end of hydraulic cylinder 56, and the front end of piston 58 is located at
In precursor 53, the rear end of piston 58 is located in hydraulic cylinder 56, and hydraulic cylinder 56 is located in rear body 59, and the front end sleeve of piston 58 is equipped with guide sleeve
52, the rear end of guide sleeve 52 is provided with the seal washer 54 being tightly connected with guide sleeve 52, and the rear end of guide sleeve 52 is located in precursor 53, led
It is located to 52 front ends of set outside precursor 53, the rear end of drill steel 51 sequentially passes through guide sleeve 52 and piston 58, and the rear end of drill steel 51 and peace
Fixed block connection on piston 58, the front end of drill steel 51 is located at outside precursor 53, connected between the piston 58 and hydraulic cylinder 56
Piston ring 57 is connected to, the valve body 55 is installed on the lower end of hydraulic cylinder 56, and valve body 55 is by being arranged at entering for the bottom of hydraulic cylinder 56
Air flue 50 is connected with piston ring 57.
It is preferred that, as shown in figure 3, the valve body 55 includes being installed on the bonnet 551 of the bottom of hydraulic cylinder 56, is installed on bonnet
Clack box 553 and the valve element 552 being installed on inside clack box 553 inside 551, the valve element 552 pass through air intake duct 50 and piston ring
57 connections.
It is preferred that, as shown in figure 5, the anchor pole mechanism 4 includes the first support arm 41, the second support arm 42, oil pocket 43, brill
Cavity 44, the first oil cylinder 45, the second oil cylinder 46, the sliding platform 47 on slide rail 10, the rear end of the first support arm 41 and sliding
The upper end of platform 47 is hinged, and the front end of the first support arm 41 is connected with the upper end of oil pocket 43 and the rear end of the second support arm 42 successively, and described first
The one end of oil cylinder 45 is hinged with sliding platform 47 lower end, and the other end is hinged with the front end of the first support arm 41, described one end of second oil cylinder 46
It is hinged with the lower end of oil pocket 43, the other end is hinged with the upper end of chamber 44 of getting into the cave, the middle part of chamber 44 of getting into the cave is hinged with the front end of the second support arm 42,
Chamber 44 of getting into the cave is interior provided with drilling 48.
It is preferred that, as shown in fig. 6, the front shovel portion 6 is arranged on shovel board bucket 61 including what shovel board bucket 61 and two were spaced
Five pawl rotating disks 62.
During real work, method of work of the invention is as follows：Bucket 96 of skimming in slag scraping mechanism 9 can enter to slag rubble
Row is collected, and coordinates front shovel portion 6 and hoisting mechanism 7 outwards to convey material, according to take off take fractured rock amount number, bucket 96 of skimming
It can realize that extending transversely shrinks, flexibly change volume capacity；Meanwhile, increase scraping delivery in same time using five pawl rotating disks 62
Fractured rock amount, improve operation intensity and operating efficiency；When running into large rock mass or competent bed, it is necessary to start rock
Crushing mechanism 5 carries out rock drilling work, and the catalase mechanism 5 provides hydraulic power by valve body 55, passes through piston 58, hydraulic cylinder
56th, the tight fit of each several part such as guide sleeve 52 realizes that the rock drilling of drill steel 51 works.
The course of work of anchor pole mechanism 4 described in the present embodiment is as follows：When country rock unstable tunnel in driving face rear is needed
When setting bolt anchorage, now need to start anchor pole mechanism 4 to country rock progress perforating work, specifically have：Pass through first
One oil cylinder carries out significantly moving up and down for the first support arm, and the angle for chamber of getting into the cave is finely adjusted by the second oil cylinder, position is treated
It is determined that after install drilling rod in drilling, carrying out complete jewel hole work；Then, anchor pole progress country rock is installed after drilling rod is removed to add
Gu, realization sets anchor pole function.
It may be noted that skim bucket 96 realize it is telescopic simultaneously, 120 ° of rotations can be realized along the front end for forearm 93 of skimming
Turn, fully providing space makes catalase mechanism 5 carry out rock drilling work, and both do not interfere with each other；Anchor pole mechanism 4 can be by sliding platform
41 move along slide rail 10, realize the movable of anchor pole mechanism 4；Catalase mechanism 5 is connected to forearm of skimming by connection sheet 12
93, plane motion can be realized by connection sheet 12.
Other unaccounted parts belong to prior art.
Claims (4)
1. mine underground bores anchor broken rock integrated digging formula loading machine, it is characterised in that：Including the walking that can be walked in underground
Portion (2), the body (1) that is installed on running part (2) upper rear end and can be moved with running part (2), it is installed on running part (2)
Upper front end and the frame (3) that can be moved with running part (2), frame (3) rear end are connected with body (1) front end, the machine
Hoisting mechanism (7) is mounted in the middle part of body (1) and in the middle part of frame (3), hoisting mechanism (7) top, which is provided with, is fixed on the body
(1) slag scraping mechanism (9), slag scraping mechanism (9) front end peace are installed on the link (11) between frame (3), link (11)
Equipped with catalase mechanism (5), frame (3) front lower portion is connected with front shovel portion (6), and body (1) rear end is connected with after-poppet
(8) slide rail (10) in frame (3), is equipped with the left of slag scraping mechanism (9) and on the right side of slag scraping mechanism (9), there is roof-bolter
Structure (4) is arranged on the slide rail (10) and can slided on slide rail (10)；
The catalase mechanism (5) include piston (58), drill steel (51), valve body (55), hydraulic cylinder (56), rear body (59) and before
Body (53), precursor (53) rear end is connected with hydraulic cylinder (56) front end, and piston (58) front end is located in precursor (53), piston
(58) rear end is located in hydraulic cylinder (56), and hydraulic cylinder (56) is located in rear body (59), and piston (58) front end sleeve is equipped with guide sleeve
(52), guide sleeve (52) rear end is provided with the seal washer (54) being tightly connected with guide sleeve (52), and guide sleeve (52) rear end is located at
In precursor (53), guide sleeve (52) front end is located at precursor (53) outside, and drill steel (51) rear end sequentially passes through guide sleeve (52) and living
Fill in (58), and drill steel (51) rear end is connected with the fixed block on piston (58), drill steel (51) front end is located at precursor (53)
Outside, is connected with piston ring (57) between the piston (58) and hydraulic cylinder (56), the valve body (55) is installed on hydraulic cylinder
(56) lower end, and valve body (55) connects by being arranged at the air intake duct (50) of hydraulic cylinder (56) bottom with piston ring (57)；
The anchor pole mechanism (4) includes the first support arm (41), the second support arm (42), oil pocket (43), chamber of getting into the cave (44), first
Oil cylinder (45), the second oil cylinder (46), the sliding platform (47) on slide rail (10), the first support arm (41) rear end and sliding platform
(47) upper end is hinged, and the first support arm (41) front end is connected with oil pocket (43) upper end and the second support arm (42) rear end successively, institute
State the first oil cylinder (45) one end to be hinged with sliding platform (47) lower end, the other end is hinged with the first support arm (41) front end, described the
Two oil cylinders (46) one end is hinged with oil pocket (43) lower end, and the other end is hinged with chamber of getting into the cave (44) upper end, in the middle part of chamber of getting into the cave (44) with
Second support arm (42) front end is hinged, provided with drilling (48) in chamber of getting into the cave (44).
2. mine underground according to claim 1 bores anchor broken rock integrated digging formula loading machine, it is characterised in that：The valve
Body (55) includes being installed on the bonnet (551) of hydraulic cylinder (56) bottom, is installed on the internal clack box (553) of bonnet (551) and peace
Loaded on the internal valve element (552) of clack box (553), the valve element (552) is connected by air intake duct (50) with piston ring (57).
3. mine underground according to claim 1 or 2 bores anchor broken rock integrated digging formula loading machine, it is characterised in that：Institute
Stating slag scraping mechanism (9) includes fixed pedestal (91), two spaced apart postbrachiums of skimming (92), stretching pedestal (97), drawing oils
Cylinder (95), act push oil cylinder (94), act push away pedestal (98), forearm of skimming (93) and take off slag bucket (96), fixed pedestal (91) peace
On link (11), fixed pedestal (91) top is successively with postbrachium of skimming (92), forearm of skimming (93) and taking off slag bucket (96)
Lower end is hinged, and the upper rear end of postbrachium of skimming (92) is connected with stretching pedestal (97), and postbrachium of skimming (92) front lower portion is connected with
Act pushes away pedestal (98), and fixed pedestal (91) bottom is pushed away before pedestal (98) and postbrachium of skimming (92) with lifting push oil cylinder (94), lifting successively
End is hinged, and catalase mechanism (5) is arranged on by connection sheet (12) and skimmed on forearm (93), and stretching oil cylinder (95) and act push away oil
Cylinder (94) is respectively positioned between two postbrachiums of skimming (92).
4. mine underground according to claim 3 bores anchor broken rock integrated digging formula loading machine, it is characterised in that：Before described
Shovel portion (6) includes the five pawl rotating disks (62) being arranged on shovel board bucket (61) at shovel board bucket (61) and two intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710244552.0A CN107130656B (en) | 2017-04-14 | 2017-04-14 | Integrated mining loader with functions of underground drilling, anchoring and rock breaking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710244552.0A CN107130656B (en) | 2017-04-14 | 2017-04-14 | Integrated mining loader with functions of underground drilling, anchoring and rock breaking |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107130656A true CN107130656A (en) | 2017-09-05 |
| CN107130656B CN107130656B (en) | 2020-08-04 |
Family
ID=59715200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710244552.0A Active CN107130656B (en) | 2017-04-14 | 2017-04-14 | Integrated mining loader with functions of underground drilling, anchoring and rock breaking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107130656B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107882083A (en) * | 2017-11-17 | 2018-04-06 | 成都凯隆机械维修有限公司 | It is easy to the adjustable digging hook rock arm of night-time observation |
| CN109538205A (en) * | 2018-09-11 | 2019-03-29 | 临沂矿业集团有限责任公司 | One kind is mining chisel dress all-in-one machine and its application method |
| CN109667581A (en) * | 2018-12-19 | 2019-04-23 | 山东东山新驿煤矿有限公司 | The thin base plate tunnel fast digging technique of hard coal seam |
| CN109882168A (en) * | 2019-01-31 | 2019-06-14 | 临沂矿业集团有限责任公司 | One kind is mining chisel dress all-in-one machine and its application method |
| CN112049161A (en) * | 2020-09-16 | 2020-12-08 | 徐孔明 | Small-size excavation breaker in colliery underworkings |
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| WO2022043612A1 (en) * | 2020-08-27 | 2022-03-03 | Llp Farm Machinery Group Oy | System, drill apparatus and method for drilling a borehole into a base |
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| CN107882083A (en) * | 2017-11-17 | 2018-04-06 | 成都凯隆机械维修有限公司 | It is easy to the adjustable digging hook rock arm of night-time observation |
| CN107882083B (en) * | 2017-11-17 | 2022-03-18 | 成都凯隆机械维修有限公司 | Dig hook rock arm with adjustable observe night |
| CN109538205A (en) * | 2018-09-11 | 2019-03-29 | 临沂矿业集团有限责任公司 | One kind is mining chisel dress all-in-one machine and its application method |
| CN109538205B (en) * | 2018-09-11 | 2021-03-19 | 临沂矿业集团有限责任公司 | Mining chiseling and installing all-in-one machine and using method thereof |
| CN109667581A (en) * | 2018-12-19 | 2019-04-23 | 山东东山新驿煤矿有限公司 | The thin base plate tunnel fast digging technique of hard coal seam |
| CN109882168A (en) * | 2019-01-31 | 2019-06-14 | 临沂矿业集团有限责任公司 | One kind is mining chisel dress all-in-one machine and its application method |
| CN112049161A (en) * | 2020-09-16 | 2020-12-08 | 徐孔明 | Small-size excavation breaker in colliery underworkings |
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