CN106593437A - Digging, supporting, anchoring and drilling all-in-one fully-mechanized excavating machine - Google Patents
Digging, supporting, anchoring and drilling all-in-one fully-mechanized excavating machine Download PDFInfo
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- CN106593437A CN106593437A CN201611237498.9A CN201611237498A CN106593437A CN 106593437 A CN106593437 A CN 106593437A CN 201611237498 A CN201611237498 A CN 201611237498A CN 106593437 A CN106593437 A CN 106593437A
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- arm
- oil cylinder
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- anchor
- digging
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
- E21C25/66—Machines for making slits with additional arrangements for drilling
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
Abstract
The invention belongs to the technical field of coal mine fully-mechanized excavating working face equipment. In order to solve the technical problem of integration of digging equipment, temporary support protection equipment, anchoring protection equipment and drilling equipment, the invention provides a digging, supporting, anchoring and drilling all-in-one fully-mechanized excavating machine, which comprises a machine frame, wherein the lower part of the machine frame is provided with a left walking mechanism and a right walking mechanism; the upper part of the machine frame is provided with a left anchoring and drilling system and a right anchoring and drilling system; a cutting mechanism is arranged above the front part of the machine frame; a loading mechanism is arranged under the front part of the machine frame; the upper part of the cutting mechanism is a temporary support protection device; the middle part of the machine frame is a protection assembly and an operating system; an electric system is arranged at one side of the back part of the machine frame; a hydraulic system and a water supply system are arranged at the other side of the machine frame; and the middle and back part of the machine frame is provided with a transportation mechanism. The digging, supporting, anchoring and drilling all-in-one fully-mechanized excavating machine provided by the invention has the advantages that the structure is compact; the high-degree integration is realized; the machine can be used for fast digging of a coal mine underground coal roadway, a half coal and rock roadway and a total rock roadway, the temporary support protection of a digging working face, the all-around anchor rod and anchor cable support protection and the drilling in a certain range in front of the working face; the digging, supporting, anchoring and drilling continuous operation is realized; the footage efficiency is improved; and the fast digging is realized.
Description
Technical field
The invention belongs to excavation face in coal mine equipment technical field, and in particular to one kind pick, it is anchor, drill integrated comprehensive
Pick machine.
Background technology
In underground coal mine driving face, driving, gib, Anchor Care, probing imbalance are to restrict down-hole driving always
The principal element of production efficiency raising, current major part fully mechanized workface is dug, props up, anchor, brill time scale are lacked of proper care, and lane is tunneled mostly
Road adopts artificial supporting, anchoring, drilling operation, driving, gib, Anchor Care, drilling equipment to separate, i.e. driving face pick
Enter machine to complete to retreat in machine after laneway molding cut, manually empty top zone is propped up temporarily first by hydraulic prop
Shield, then permanent support is carried out to top board, lateral wall with monomer hydraulic roof-bolter, pneumatic roof-bolter or wind coal borer, when needing to explore again
Monomer hydraulic exploratory drilling rig is carried to after assembling of meeting head on and is drilled, next circulation is then carried out again.Whole process support apparatus,
Anchor Care equipment, drilling equipment need artificial reciprocal carrying, dismounting, and support work amount is big, and labor intensity is high, mechanization, automatization
Low degree.The Anchor Care time accounts for the 2/3 of tunnel total engineering time, has had a strong impact on the Homes Using TV of development machine and the drilling depth of development end
Speed.Therefore how development machine equipment, gib equipment, Anchor Care equipment, drilling equipment effective integration to be integrated, is effectively carried
High Anchor Care working performance is the technical barrier that current high yield and high efficiency mine faces.
The content of the invention
The present invention technical problem integrated to solve digging device, gib equipment, Anchor Care equipment, drilling equipment, carries
Supplied a kind of pick, anchor, drill integrated fully-mechanized digging machine.
The technical solution used in the present invention is as follows：
One kind is dug, props up, anchor, drill integrated fully-mechanized digging machine, including frame, cutting mechanism, loader mechanism, transport establishment, left vehicle with walking machine
Structure, right walking mechanism, electrical system, water system, temporary support device, left anchor drill system, right anchor drill system, hydraulic system,
Protection assembly and operating system, the described frame lower left and right sides is respectively left walking mechanism and right walking mechanism, in frame
The portion left and right sides is respectively left anchor drill system and right anchor drill system, and frame front top is cutting mechanism, and lower section is loader mechanism,
Cutting mechanism top is temporary support device, and central rack is protection assembly and operating system, and frame rear portion side is electrically system
System, opposite side is hydraulic system and water system, in frame, rear portion be transport establishment.
Described left anchor drill system, right anchor drill system includes respectively drilling machine components, expansion mechanism, screw hydraulic oil cylinder, rail
Road, telescopic arm, base arm, telescopic oil cylinder, precise roller chain component, hoist cylinder I, towing chain device, oscillating oil cylinder, pedestal, driving
Device and expansion oil cylinder；The track is provided with driving means, precise roller chain component and is capable of the pedestal of relative orbit slip,
The two ends of precise roller chain component are connected with pedestal, and driving means drive precise roller chain component to drive pedestal to slide in orbit
Dynamic, the side of pedestal is provided with towing chain device, and opposite side is provided with cat ladder component, and base arm is hinged on pedestal, and base arm is provided below lifting
Oil cylinder I, one end of hoist cylinder I is connected with base arm, and the other end is hinged with pedestal, and the side of base arm arranges oscillating oil cylinder, swings
One end of oil cylinder is connected with base arm, and the other end is hinged with pedestal, is provided with telescopic arm in base arm, and telescopic arm is by being arranged in base arm
Telescopic oil cylinder drives, and one end of telescopic oil cylinder is fixed in base arm, and the other end is connected with one end of telescopic arm, telescopic arm it is another
End is connected with one end of screw hydraulic oil cylinder, and the other end of screw hydraulic oil cylinder is connected with expansion mechanism, and expansion mechanism is provided with
Drilling machine components, drilling machine components are by the hydraulic oil cylinder driving connection that expands.
Described temporary support device includes base, hoist cylinder II, two-stage telescopic cylinder, one-level arm, two grades of arms, three-levels
Arm, cross hinge, secondary bracing frame and main backstop；It is hinged with one-level arm on described base, one-level arm is provided with two grades of arms, two grades
Arm is provided with three-level arm, and main backstop is connected by cross hinge with three-level arm, auxiliary connection bracing frame on main backstop, and described one
By hoist cylinder II drive connections, one end of hoist cylinder II is connected level arm with one-level arm, and the other end is hinged with base, described
Two grades of arms, three-level arms are by two-stage telescopic cylinder drive connection.
Beneficial effects of the present invention：The integrated rear fully-mechanized digging machine complete machine structure of the present invention is novel, the whole machine height of effective control, adapts to
Drift section scope is wide, the different shape such as rectangle, arch, trapezoidal, special-shaped tunnel can be met, under various geological conditions
The speedy drivage of coal road, half-coal rock roadway or rock gangway, the immediate support of empty top zone of meeting head on, tunneling boring Anchor Care and work surface front is certain
In the range of probing.The present invention improves the utilization rate of equipment, realize pick, anchor, brill work continuously, realize " mechanization is changed
People " purpose.
Left and right anchor drill system, the temporary support device of the present invention to tunnel machine host as job platform, reasonable integrated, cloth
Put compact, using the hydraulic power supply of development machine, do not affect the whole machine service behaviour of development machine and use condition, relatively artificial anchor
Shield, probing can substantially reduce anchoring, drilling time, shorten tunnel completion date, effectively improve drivage efficiency.The present invention improves
The mechanization of driving face, automaticity, significantly reduce labor strength, improve production efficiency and reliability,
Accident rate is reduced, the safety coefficient of underground work is improve, is met Administration of Work Safety Supervision of country of China and is proposed that " mechanization is substituted, oneself
Dynamicization subtracts people " the strong peace special campaigns content of science and technology require.Driving simultaneously to simplified fully mechanized workface, Anchor Care, probing operation,
Safety in production is promoted to play positive impetus.
Description of the drawings
Fig. 1 is the complete machine structure front view of the present invention；
Fig. 2 is the complete machine structure top view of the present invention；
Fig. 3 is the anchor drill system structural front view of the present invention；
Fig. 4 is the anchor drill system structure top view of the present invention；
Fig. 5 is the temporary support device front view of the present invention；
Fig. 6 is the temporary support device top view of the present invention；
Fig. 7 is the whole machine Anchor Care work front view of the present invention；
Fig. 8 is the whole machine Anchor Care work left view of the present invention；
Fig. 9 is the whole machine drill spy work front view of the present invention；
In figure：1- cutting mechanisms, 2- loader mechanisms, 3- transport establishments, 4- frames, the left walking mechanisms of 5-, the right walking mechanisms of 6-, 7-
Electrical system, 8- operating systems, 9- water systems, 10- temporary support devices, the left anchor drill systems of 11-, the right anchor drill systems of 12-,
13- hydraulic systems, 14- protection assemblies, 15- drilling machine components, 16- expansions mechanism, 17- screw hydraulic oil cylinders, 18- tracks, 19- stretches
Contracting arm, 20- base arm, 21- telescopic oil cylinders, 22- precise roller chain components, 23- hoist cylinder I, 24- towing chain devices, 25- cat ladder groups
Part, 26- oscillating oil cylinders, 27- pedestals, 28- driving means, 29- expansion oil cylinders, 30- bases, 31- hoist cylinder II, bis- grades of 32-
Telescopic oil cylinder, 33- one-level arms, bis- grades of arms of 34-, 35- three-level arms, 36- cross hinges, 37- pair bracing frames, 38- main backstops.
Specific embodiment
As shown in Figure 1, 2, a kind of pick, anchor, drill integrated fully-mechanized digging machine, including frame 4, cutting mechanism 1, loader mechanism
2nd, transport establishment 3, left walking mechanism 5, right walking mechanism 6, electrical system 7, water system 9, temporary support device 10, left anchor are bored
System 11, right anchor drill system 12, hydraulic system 13, protection assembly 14 and operating system 8, the described bottom left and right sides of frame 4
Respectively left walking mechanism 5 and right walking mechanism 6, the top left and right sides of frame 4 is respectively left anchor drill system 11 and right anchor bores system
System 12, the front upper of frame 4 is cutting mechanism 1, and lower section is loader mechanism 2, and the top of cutting mechanism 1 is temporary support device 10,
The middle part of frame 4 is protection assembly 14 and operating system 8, and the rear portion side of frame 4 is electrical system 7, and opposite side is hydraulic system 13
With water system 9, in frame 4, rear portion be transport establishment 3.
As shown in Fig. 3,4,7,8,9, described left anchor drill system 11, right anchor drill system 12 include respectively drilling machine components 15,
Expansion mechanism 16, screw hydraulic oil cylinder 17, track 18, telescopic arm 19, base arm 20, telescopic oil cylinder 21, precise roller chain component 22,
Hoist cylinder I23, towing chain device 24, cat ladder component 25, oscillating oil cylinder 26, pedestal 27, driving means 28 and expansion oil cylinder 29；Institute
State track 18 to be provided with driving means 28, precise roller chain component 22 and be capable of the pedestal 27 of the slip of relative orbit 18, precision rolling
The two ends of subchain component 22 are connected with pedestal 27, and driving means 28 drive precise roller chain component 22 with moving base 27 in track 18
Upper slip, the side of pedestal 27 is provided with towing chain device 24, and opposite side is provided with cat ladder component 25, and base arm 20 passes through bearing pin, engaging lug
It is hinged on pedestal 27, base arm 20 is provided below hoist cylinder I23, one end of hoist cylinder I23 is connected with base arm 20, the other end
Be hinged with pedestal 27, the side of base arm 20 arranges oscillating oil cylinder 26, one end of oscillating oil cylinder 26 is connected with base arm 20, the other end and
Pedestal 27 is hinged, and in base arm 20 telescopic arm 19 is provided with, and telescopic arm 19 is driven by the telescopic oil cylinder 21 being arranged in base arm 20, stretches
One end of oil cylinder 21 is fixed in base arm 20, and the other end is connected with one end of telescopic arm 19, the other end and spiral of telescopic arm 19
One end connection of hydraulic jack 17, the other end of screw hydraulic oil cylinder 17 is connected with expansion mechanism 16, and expansion mechanism 16 is provided with
Drilling machine components 15, by the drive connection of expansion oil cylinder 29, the track 18 is arranged on the walking of walking mechanism and supports drilling machine components 15
On frame, track 18 is slided by friction pair under telescopic oil cylinder driving on walking bracing frame；Expansion mechanism 16 is in screw hydraulic
Oil cylinder 17 can be with left and right revolution under driving, and screw hydraulic oil cylinder 17 can realize 90 ° to the left, to the right 90 ° of rotation；Rig group
Part 15 is connected by bearing pin with expansion mechanism 16, and drilling machine components 15 can launch certain angle under the driving of expansion oil cylinder 29；Push away
Drilling machine components 15 can be launched 100 °, when Anchor Care or probing by exhibition mechanism 16, and track 18 drives lower edge walking in telescopic oil cylinder
Support moves forward, and pedestal 27 moves forward in the driving lower edge track 18 of driving means 28, and telescopic arm 19 drives lower edge in telescopic oil cylinder 21
Base arm 20 moves forward, and drilling machine components 15 are moved to into work surface by the way that three-level is flexible；According to the Anchor Care technological requirement of section and meet head on
Drilling technology requires, is completed top board, lateral wall anchor pole, the permanent Anchor Care of anchor cable by drilling machine components 15 and met head in the certain limit of front
Probing, it is different according to the position in hole, can realize that base arm is adjusted about 20 with hoist cylinder I23, with oscillating oil cylinder 26 come
The left and right adjustment of base arm 20 is realized, the left rotation and right rotation of expansion mechanism 16 is adjusted with screw hydraulic oil cylinder 17, with expansion oil cylinder 29
To realize adjusting in front and back for drilling machine components 15.
As shown in Figure 5,6, described temporary support device 10 includes base 30, hoist cylinder II31, two-stage telescopic cylinder
32nd, 33, two grades of arms 34 of one-level arm, three-level arm 35, cross hinge 36, secondary bracing frame 37 and main backstop 38；Described base 30 is consolidated
It is scheduled on cutting mechanism 1, one-level arm 33 is hinged with base 30, one-level arm 33 is provided with two grades of arms 34, and two grades of arms 34 are provided with
Three-level arm 35, two grades of arms 34 are slided by friction pair in one-level arm 33；Three-level arm 35 is sliding in two grades of arms 34 by friction pair
It is dynamic；Main backstop 38 is connected by cross hinge 36 with three-level arm 35, by bearing pin auxiliary connection bracing frame 37 on main backstop 38, institute
The one-level arm 33 stated is connected by hoist cylinder II31 drive connections, one end of hoist cylinder II31 with one-level arm 33, the other end with
Base 30 is hinged, and described two grades of arms 34, three-level arm 35 is by the drive connection of two-stage telescopic cylinder 32.Development machine is completed after cut,
Temporary support device launches, different according to the height in tunnel, and the angle of one-level arm 33 can be adjusted with hoist cylinder II31, uses two
Level telescopic oil cylinder 32 is adjusting the spread length of two grades of arms 34 and three-level arm 35.
The left and right anchor drill system and temporary support device of the present invention is highly integrated with the whole machine of development machine, does not affect development machine
Overall performance.The hydraulic system of left and right anchor drill system and temporary support device and the hydraulic system effective integration of development machine, profit
Hydraulic power supply is provided with the hydraulic power unit of development machine.It is each to perform the mutual locking of actuating mechanism, it is ensured that job safety.Development machine is complete
Molding cut and material into tunnel is shipped, and temporary support device completes the immediate support after the cut of tunnel, left and right anchor drill system
Complete a range of probing of permanent Anchor Care and front of roadway full-fracture-surfacanchoring-rod.
Claims (3)
1. a kind of pick, anchor, drill integrated fully-mechanized digging machine, it is characterised in that：Including frame（4）, cutting mechanism（1）, loader mechanism
（2）, transport establishment（3）, left walking mechanism（5）, right walking mechanism（6）, electrical system（7）, water system（9）, gib
Device（10）, left anchor drill system（11）, right anchor drill system（12）, hydraulic system（13）, protection assembly（14）And operating system
（8）, described frame（4）The bottom left and right sides is respectively left walking mechanism（5）With right walking mechanism（6）, frame（4）Top is left
Right both sides are respectively left anchor drill system（11）With right anchor drill system（12）, frame（4）Front upper is cutting mechanism（1）, lower section
For loader mechanism（2）, cutting mechanism（1）Top is temporary support device（10）, frame（4）Middle part is protection assembly（14）And behaviour
Make system（8）, frame（4）Rear portion side is electrical system（7）, opposite side is hydraulic system（13）And water system（9）, frame
（4）In, rear portion be transport establishment（3）.
2. a kind of pick according to claim 1, anchor, drill integrated fully-mechanized digging machine, it is characterised in that：Described left anchor is bored
System（11）, right anchor drill system（12）Include drilling machine components respectively（15）, expansion mechanism（16）, screw hydraulic oil cylinder（17）, rail
Road（18）, telescopic arm（19）, base arm（20）, telescopic oil cylinder（21）, precise roller chain component（22）, hoist cylinder I（23）, drag chain
Device（24）, cat ladder component（25）, oscillating oil cylinder（26）, pedestal（27）, driving means（28）With expansion oil cylinder（29）；The rail
Road（18）It is provided with driving means（28）, precise roller chain component（22）With being capable of relative orbit（18）The pedestal of slip（27）,
Precise roller chain component（22）Two ends and pedestal（27）Connection, driving means（28）Drive precise roller chain component（22）Drive
Pedestal（27）In track（18）Upper slip, pedestal（27）Side be provided with towing chain device（24）, opposite side is provided with cat ladder component
（25）, pedestal（27）On be hinged base arm（20）, base arm（20）Hoist cylinder I is provided below（23）, hoist cylinder I（23）One end
With base arm（20）Connection, the other end and pedestal（27）It is hinged, base arm（20）Side arrange oscillating oil cylinder（26）, oscillating oil cylinder
（26）One end and base arm（20）Connection, the other end and pedestal（27）It is hinged, base arm（20）Inside it is provided with telescopic arm（19）, telescopic arm
（19）By being arranged on base arm（20）Interior telescopic oil cylinder（21）Drive, telescopic oil cylinder（21）One end be fixed on base arm（20）It is interior,
The other end and telescopic arm（19）One end connection, telescopic arm（19）The other end and screw hydraulic oil cylinder（17）One end connection,
Screw hydraulic oil cylinder（17）The other end and expansion mechanism（16）It is connected, expansion mechanism（16）It is provided with drilling machine components（15）, bore
Thermomechanical components（15）By expansion oil cylinder（29）Drive connection.
3. a kind of pick according to claim 1 and 2, anchor, drill integrated fully-mechanized digging machine, it is characterised in that：Described is interim
Suspension device（10）Including base（30）, hoist cylinder II（31）, two-stage telescopic cylinder（32）, one-level arm（33）, two grades of arms
（34）, three-level arm（35）, cross hinge（36）, secondary bracing frame（37）And main backstop（38）；Described base（30）On be hinged with
One-level arm（33）, one-level arm（33）It is provided with two grades of arms（34）, two grades of arms（34）It is provided with three-level arm（35）, main backstop（38）
By cross hinge（36）With three-level arm（35）Connection, main backstop（38）Upper auxiliary connection bracing frame（37）, described one-level arm
（33）By hoist cylinder II（31）Drive connection, hoist cylinder II（31）One end and one-level arm（33）It is connected, the other end and bottom
Seat（30）It is hinged, two grades of described arms（34）, three-level arm（35）By two-stage telescopic cylinder（32）Drive connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611237498.9A CN106593437A (en) | 2016-12-28 | 2016-12-28 | Digging, supporting, anchoring and drilling all-in-one fully-mechanized excavating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611237498.9A CN106593437A (en) | 2016-12-28 | 2016-12-28 | Digging, supporting, anchoring and drilling all-in-one fully-mechanized excavating machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106593437A true CN106593437A (en) | 2017-04-26 |
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ID=58604683
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611237498.9A Pending CN106593437A (en) | 2016-12-28 | 2016-12-28 | Digging, supporting, anchoring and drilling all-in-one fully-mechanized excavating machine |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107420101A (en) * | 2017-09-04 | 2017-12-01 | 山东兖煤黑豹矿业装备有限公司 | It is a kind of to carry anchor dress, the cutting units of branch protective function |
| CN108005665A (en) * | 2017-12-28 | 2018-05-08 | 石家庄煤矿机械有限责任公司 | A kind of rapid integrated driving system in tunnel |
| WO2018228217A1 (en) * | 2017-06-16 | 2018-12-20 | 廊坊景隆重工机械有限公司 | Complementary transportation and support system used after rapid excavation |
| CN110671107A (en) * | 2019-10-23 | 2020-01-10 | 中国矿业大学 | Tunneling, supporting and anchoring all-in-one machine system for underground rapid tunneling and using method thereof |
| WO2020052012A1 (en) * | 2018-09-11 | 2020-03-19 | 中国矿业大学 | Construction method for continuous mining machine having device continuously providing provisional roof support |
| CN111997642A (en) * | 2020-09-09 | 2020-11-27 | 山西晟特恒采矿工程机械有限公司 | Tunneling and anchoring all-in-one machine for all-rock roadway and tunnel and control method thereof |
| CN112096404A (en) * | 2020-09-01 | 2020-12-18 | 中国煤炭科工集团太原研究院有限公司 | Mining height accurate positioning device of temporary support system of tunneling and anchoring all-in-one machine, tunneling and anchoring all-in-one machine and dismounting and mounting method |
| CN113530437A (en) * | 2021-08-12 | 2021-10-22 | 中国煤炭科工集团太原研究院有限公司 | Platform lifting type double-arm anchor cable drill carriage |
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| CN115539033A (en) * | 2022-09-16 | 2022-12-30 | 安徽理工大学 | Green blasting device for hard rock driving working face of mine |
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| US11459888B2 (en) | 2017-06-16 | 2022-10-04 | Lang Fang Jing Long Grand Industrial Machinery Co., Ltd. | Auxiliary transportation and support system used after rapid excavation |
| WO2018228217A1 (en) * | 2017-06-16 | 2018-12-20 | 廊坊景隆重工机械有限公司 | Complementary transportation and support system used after rapid excavation |
| CN107420101B (en) * | 2017-09-04 | 2023-06-09 | 山东兖煤黑豹矿业装备有限公司 | Cutting part with anchor dress, support function |
| CN107420101A (en) * | 2017-09-04 | 2017-12-01 | 山东兖煤黑豹矿业装备有限公司 | It is a kind of to carry anchor dress, the cutting units of branch protective function |
| CN108005665A (en) * | 2017-12-28 | 2018-05-08 | 石家庄煤矿机械有限责任公司 | A kind of rapid integrated driving system in tunnel |
| WO2020052012A1 (en) * | 2018-09-11 | 2020-03-19 | 中国矿业大学 | Construction method for continuous mining machine having device continuously providing provisional roof support |
| CN110671107A (en) * | 2019-10-23 | 2020-01-10 | 中国矿业大学 | Tunneling, supporting and anchoring all-in-one machine system for underground rapid tunneling and using method thereof |
| CN112096404A (en) * | 2020-09-01 | 2020-12-18 | 中国煤炭科工集团太原研究院有限公司 | Mining height accurate positioning device of temporary support system of tunneling and anchoring all-in-one machine, tunneling and anchoring all-in-one machine and dismounting and mounting method |
| CN111997642A (en) * | 2020-09-09 | 2020-11-27 | 山西晟特恒采矿工程机械有限公司 | Tunneling and anchoring all-in-one machine for all-rock roadway and tunnel and control method thereof |
| WO2022188500A1 (en) * | 2021-03-08 | 2022-09-15 | 廊坊景隆重工机械有限公司 | Six-arm tunneling and anchoring machine |
| CN113530437A (en) * | 2021-08-12 | 2021-10-22 | 中国煤炭科工集团太原研究院有限公司 | Platform lifting type double-arm anchor cable drill carriage |
| CN114086978A (en) * | 2021-11-13 | 2022-02-25 | 中国煤炭科工集团太原研究院有限公司 | Novel shape trimming machine for coal mine and arch section forming method |
| CN114086978B (en) * | 2021-11-13 | 2023-10-31 | 中国煤炭科工集团太原研究院有限公司 | Novel shape trimming machine for coal mine and arch section forming method |
| CN114459937A (en) * | 2022-01-22 | 2022-05-10 | 天地上海采掘装备科技有限公司 | Cutting abrasion test bed frame |
| CN115539033A (en) * | 2022-09-16 | 2022-12-30 | 安徽理工大学 | Green blasting device for hard rock driving working face of mine |
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