CN106121531A - A kind of coal mine self-moving moves diagonal angle cross bearing roadway floor armature boring chassis - Google Patents

A kind of coal mine self-moving moves diagonal angle cross bearing roadway floor armature boring chassis Download PDF

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Publication number
CN106121531A
CN106121531A CN201610580020.XA CN201610580020A CN106121531A CN 106121531 A CN106121531 A CN 106121531A CN 201610580020 A CN201610580020 A CN 201610580020A CN 106121531 A CN106121531 A CN 106121531A
Authority
CN
China
Prior art keywords
underframe
supporting cylinder
coal mine
rig
roadway floor
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.)
Pending
Application number
CN201610580020.XA
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Chinese (zh)
Inventor
王婷
胡仲佳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suqian Huaihai Technology Service Co Ltd
Original Assignee
Suqian Huaihai Technology Service Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Suqian Huaihai Technology Service Co Ltd filed Critical Suqian Huaihai Technology Service Co Ltd
Priority to CN201610580020.XA priority Critical patent/CN106121531A/en
Publication of CN106121531A publication Critical patent/CN106121531A/en
Pending legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B15/00—Supports for the drilling machine, e.g. derricks or masts
    • E21B15/003—Supports for the drilling machine, e.g. derricks or masts adapted to be moved on their substructure, e.g. with skidding means; adapted to drill a plurality of wells
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B15/00—Supports for the drilling machine, e.g. derricks or masts
    • E21B15/04—Supports for the drilling machine, e.g. derricks or masts specially adapted for directional drilling, e.g. slant hole rigs
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B15/00—Supports for the drilling machine, e.g. derricks or masts
    • E21B15/04—Supports for the drilling machine, e.g. derricks or masts specially adapted for directional drilling, e.g. slant hole rigs
    • E21B15/045—Hydraulic, pneumatic or electric circuits for their positioning
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
    • E21B7/024—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting having means for adapting to inclined terrain; having means for stabilizing the vehicle while drilling
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/04—Directional drilling
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D20/00—Setting anchoring-bolts
    • E21D20/003—Machines for drilling anchor holes and setting anchor bolts

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Earth Drilling (AREA)

Abstract

The invention discloses a kind of coal mine self-moving and move diagonal angle cross bearing roadway floor armature boring chassis, including underframe (1), workpiece (2), added (3) and device positioning element (4)；Added it is fixedly mounted on underframe；Workpiece is arranged on underframe, including body (21), front and back gathering sill (22), front and back locator card blue (23), left and right gathering sill (24), left and right locator card blue (25), rig installing rack (26) and rig (27)；Device positioning element includes location supporting cylinder, top (41), location supporting cylinder, bottom (42) and control valve group and pumping plant (43), and control valve group and pumping plant are connected with top location supporting cylinder and location, bottom supporting cylinder respectively.This coal mine self-moving moves on the premise of cross bearing roadway floor armature boring chassis in diagonal angle provides reverse holding power and realizes quickly holing roadway floor, is adapted to the requirement of Quick Road-Made.

Description

A kind of coal mine self-moving moves diagonal angle cross bearing roadway floor armature boring chassis
Technical field
The present invention relates to a kind of drilling jumbo, specifically one be applicable to underground coal mine roadway floor carries out anchor pole of holing The coal mine self-moving of supporting moves diagonal angle cross bearing roadway floor armature boring chassis, belongs to down-hole support equipment technical field.
Background technology
Due to the self-characteristic of different depth rock mass and the difference of residing ambient stress around tunnel, transported by geologic rhythm The factor impacts such as dynamic, ground water pressure, country rock easily produces Incoordinate deformation, exploits especially for underground coal mine, top, tunnel, the end Plate and two helps country rock to be deformed and move in tunnel, and the phenomenon that wherein roadway floor or gob floor upwards swell is i.e. Referred to as pucking, pucking is a kind of dynamic phenomenon often occurred in roadway, it and the character of country rock, mining influence, mining depth And geological structure etc. is directly related, some Floor Heave in Roadway amount of domestic mine even account for top, tunnel, the base plate amount of shifting near 70% with On, bigger particular for mining depth, have that stress is high, temperature is high, subsoil water hydraulic pressure is high, strength of turbulence is high, danger of burst The deep-seated setting of feature, high stress and soft rock mine roadway and the chambers such as height, creep is obvious, deformation is big, pucking makes roadway deformation, section become Little, drastically influence the links such as mine ventilation, transport and personnel's walking, restriction mine safety and high-yield and high-efficiency and produce.
Underground coal mine prevents the generation of pucking phenomenon from not only wanting reinforcement roadway support, reinforced design method, and will be according to specifically Wall rock geology condition take measures pucking amount is reduced to allowed band, generally use method for strengthening, destressing method, combination method and add Gu the methods such as tunnel side, angle reduce pucking phenomenon, wherein method for strengthening is to be enclosed base plate by raising floor rocks intensity or raising The supporting power of rock reaches the purpose of floor lift control, is a kind of the most frequently used pucking control method.
Improve the intensity of floor rocks, mainly have floor grouting, floor bolting etc., base plate is being used suspension roof support Needing during operation first to hole base plate, traditional method need to be with pin or reversely air leg support above drilling rod in boring procedure On back, to provide reverse holding power, but due in order to ensure that roadway floor does not destroys before installing anchor pole, it is necessary to Installing anchor pole in driving face certain distance, the size of this distance is relevant with the character of floor rock, typically should be little In 10 meters, the most unaffected in order to ensure tunnelling speed, the speed of usual rockbolt installation wants fast, and this traditional brill Hole method operation not only complicated, manpower and materials consume big, and hole and install the speed of anchor pole compared with slow, efficiency is low, inadaptable Requirement in Quick Road-Made.
Summary of the invention
For the problems referred to above, the present invention provides a kind of coal mine self-moving to move diagonal angle cross bearing roadway floor armature boring platform Car, simple in construction, it is possible to realize quickly roadway floor being holed on the premise of reverse holding power is provided in boring procedure Operation, and then overall raising rockbolt installation speed, be adapted to the requirement of Quick Road-Made.
For achieving the above object, this coal mine self-moving move diagonal angle cross bearing roadway floor armature boring chassis include underframe, Workpiece, added and device positioning element；
Described added be fixedly mounted on underframe, underframe bottom be provided with at least one deflecting roller and at least include one group with The drivewheel that direction of principal axis is arranged, drivewheel is connected with driving hydraulic motor, and deflecting roller is connected with steering hydraulic motor, on underframe also It is provided with Working pedal and guidance panel；
Described workpiece is arranged on underframe, and, left and right blue including body, front and back gathering sill, front and back locator card guides Groove, left and right locator card orchid, rig installing rack and rig；Body is located at fore-and-aft direction by cylindricality slip shoe frame and is arranged on inside underframe Before and after on face on gathering sill；Front and back locator card is blue is connected with body and is equipped with on front and back's gathering sill；Rig installing rack It is located at left and right directions by cylindricality slip shoe frame to be arranged on the left and right gathering sill on body medial surface；Left and right locator card orchid and rig Installing rack connects and is equipped with on the gathering sill of left and right；Described rig is vertically arranged and is arranged on rig installing rack；
Described device positioning element includes location, top supporting cylinder, bottom location supporting cylinder and control valve group And pumping plant；Location, top supporting cylinder is set to two pieces, and location, two pieces top supporting cylinder piston end sets up, cylinder body Centrosymmetry is vertically fixedly mounted in added diagonal positions, and its piston end end is provided with support footstock；Location, bottom supports Hydraulic cylinder is set to two pieces, positions that supporting cylinder piston end is down-set, location, cylinder body corresponding top supports liquid bottom two pieces The position of cylinder pressure is crisscross to be vertically fixedly mounted in underframe diagonal positions, and its piston end end is provided with support base；Control Valve group processed and pumping plant be arranged on underframe or added on, the outfan of control valve group and pumping plant is fixed by fluid pressure line and top respectively Position supporting cylinder, location, bottom supporting cylinder, driving hydraulic motor and steering hydraulic motor connect.
Scheme as a further improvement on the present invention, described body is by angle regulation positioning device and locator card front and back Blue connection.
Scheme as a further improvement on the present invention, described rig installing rack passes through angle regulation positioning device and left and right Locator card orchid connects.
Scheme as a further improvement on the present invention, described underframe and added be all frame structure.
Scheme as a further improvement on the present invention, described underframe and/or added frame structure two sides are provided with Supporting rib stiffener arranged in a crossed manner.
Scheme as a further improvement on the present invention, described Working pedal is provided with seat.
Compared with prior art, this coal mine self-moving moves diagonal angle cross bearing roadway floor armature boring chassis owing to being provided with peace Be contained on underframe is added, and top location supporting cylinder and control valve group and pumping plant are arranged on added, and location, bottom Support hydraulic cylinder is arranged on underframe, is therefore manipulated by valve group and pumping plant makes top location supporting cylinder and location, bottom Supporting cylinder stretches out respectively, and the support footstock of location, top supporting cylinder acts against on top board, location, bottom support hydraulic pressure The support base of cylinder acts against and makes underframe form stable rigid support between back and base plate, during boring on base plate The drilling rod of rig pierces the counteracting force of base plate generation and acts on underframe by rig installing rack, body, and active force is led to by underframe Cross top location supporting cylinder and location, bottom supporting cylinder directly acts on back and base plate, therefore need not It is supported on back to provide reverse holding power with pin or reverse air leg above the drilling rod of rig；Owing to workpiece sets There are before and after's gathering sill, front and back locator card orchid, left and right gathering sill, left and right locator card blue, therefore this coal mine self-moving moved diagonal angle and intersects Location roadway floor armature boring chassis can realize pinpointing a position after having good positioning can complete the multiple rows of or behaviour in multiple row hole Make, i.e. can realize the rig all full lines in front and back's gathering sill and left and right gathering sill stroke range and the bore position of permutation Carry out location boring；It is simple, easily operated certainly that this coal mine self-moving moves diagonal angle cross bearing roadway floor armature boring trolley structure Mobile control, can carry out rockbolt installation after completing boring, holes and installs the speed of anchor pole, installation effectiveness height, adapting to In the requirement of Quick Road-Made, when being particularly well-suited to Floor Heave in Roadway is administered, use the Quick mounting anchor rod of floor bolting.
Accompanying drawing explanation
Fig. 1 is the three dimensional structure schematic diagram of the present invention.
In figure: 1, underframe, 11, drivewheel, 12, drive hydraulic motor, 13, deflecting roller, 14, Working pedal, 2, work portion Part, 21, body, 22, front and back gathering sill, 23, front and back locator card are blue, 24, left and right gathering sill, 25, left and right locator card blue, 26, bore Machine installing rack, 27, rig, 3, added, 4, device positioning element, 41, location, top supporting cylinder, 42, location, bottom supports Hydraulic cylinder, 43, control valve group and pumping plant.
Detailed description of the invention
The present invention will be further described below in conjunction with the accompanying drawings.
As it is shown in figure 1, this coal mine self-moving moves diagonal angle cross bearing roadway floor armature boring chassis includes underframe 1, work Parts 2, added 3 and device positioning element 4.
Described added 3 are fixedly mounted on underframe 1, and underframe 1 bottom is provided with at least one deflecting roller 13 and at least includes The drivewheel 11 that one group of coaxial direction is arranged, drivewheel 11 is connected with driving hydraulic motor 12, deflecting roller 13 and steering hydraulic horse Reach connection, underframe 1 is additionally provided with Working pedal 14 and guidance panel.
Described workpiece 2 is arranged on underframe 1, including body 21, front and back gathering sill 22, front and back locator card orchid 23, Left and right gathering sill 24, left and right locator card orchid 25, rig installing rack 26 and rig 27；Before and after body 21 is located at by cylindricality slip shoe frame Direction be arranged on underframe 1 medial surface before and after on gathering sill 22；Front and back locator card blue 23 is connected with body 21 and is equipped with On front and back's gathering sill 22, body 21 can pass through front and back gathering sill 22 and front and back locator card orchid 23 fore-and-aft direction on underframe 1 Move and location；Rig installing rack 26 is located at, by cylindricality slip shoe frame, the left and right that left and right directions is arranged on body 21 medial surface and leads On groove 24；Left and right locator card blue 25 is connected with rig installing rack 26 and is equipped with on left and right gathering sill 24, rig installation Frame 26 can be moved by left and right gathering sill 24 and left and right locator card orchid 25 and position by left and right directions on body 21；Rig 27 erects Straight setting is arranged on rig installing rack 26.
Described device positioning element 4 includes location, top supporting cylinder 41, bottom location supporting cylinder 42 and control Valve group processed and pumping plant 43；Support more firm on the diagonal supporting leg of support body owing to supporting cylinder is vertically arranged in, therefore push up Location, portion supporting cylinder 41 is set to two pieces, and location, two pieces top supporting cylinder 41 piston end sets up, cylinder body center Symmetry is vertically fixedly mounted in added 3 diagonal positions, and its piston end end is provided with support footstock；Location, bottom support hydraulic pressure Cylinder 42 is set to two pieces, positions that supporting cylinder 42 piston end is down-set, location, cylinder body corresponding top supports liquid bottom two pieces The position of cylinder pressure 41 is crisscross to be vertically fixedly mounted in underframe 1 diagonal positions, and its piston end end is provided with support base； Control valve group and pumping plant 43 are arranged on underframe 1 or added 3, and the outfan of control valve group and pumping plant 43 passes through fluid pressure line respectively It is connected with location, top supporting cylinder 41, location, bottom supporting cylinder 42, driving hydraulic motor 12 and steering hydraulic motor.
Operator are manipulated by valve group on Working pedal 14 guidance panel and pumping plant 43 controls to drive hydraulic pressure horse Reach 12 actions this coal mine self-moving moves diagonal angle cross bearing roadway floor armature boring chassis to stay in and need to carry out base plate boring After on roadway floor, operation control valve group and pumping plant 43 make top location supporting cylinder 41 and location, bottom supporting cylinder 42 Stretching out respectively, the support footstock of location, top supporting cylinder 41 acts against on top board, bottom positions propping up of supporting cylinder 42 Support base acts against and makes underframe 1 form rigid support between back and base plate on base plate, then unclamps before and after's locator card Orchid 23 and left and right locator card orchid 25, locator card orchid 23 before and after locking after mobile body 21 to fore-and-aft direction needs the position of boring, Then locking left and right locator card orchid 25 after needing the position of boring on mobile drill installing rack 26 to left and right directions, rig 27 is the most right Bore position, starts rig 27 and carries out holing, and during boring, to pierce the counteracting force that base plate produces logical for the drilling rod of rig 27 Cross rig installing rack 26, body 21 acts on underframe 1, and active force is positioned supporting cylinder 41 and bottom by top by underframe 1 Location supporting cylinder 42 directly acts on back and base plate；It is drilled first Kong Houke and directly unclamps before and after's locator card orchid 23 or left and right locator card orchid 25 carry out bore position on fore-and-aft direction or left and right directions and adjust the boring realizing a row or string Operation.
In order to realize this equipment can on fore-and-aft direction non-fully the roadway floor of level carry out vertical drilling, Jin Erzeng The suitability of university degree equipment, as a further improvement on the present invention scheme, described body 21 passes through angle regulation positioning device Is connected with front and back locator card blue 23, makes the drilling rod of rig 27 be perpendicular in the longitudinal direction by regulating angle regulation positioning device The roadway floor of non-fully level and lock, vertical drilling can be realized.
In order to realize this equipment can on left and right directions non-fully the roadway floor of level carry out vertical drilling, Jin Erzeng The suitability of university degree equipment, as a further improvement on the present invention scheme, described rig installing rack 26 is fixed by angular adjustment Position mechanism is connected with left and right locator card blue 25, makes the drilling rod of rig 27 be perpendicular in left and right by regulation angle regulation positioning device The roadway floor of the non-fully level on direction also locks, and can realize vertical drilling.
In order to alleviate the overall weight of whole device so that moving, scheme as a further improvement on the present invention, described Underframe 1 and added 3 be all frame structure.
In order to increase the integrated support intensity of this equipment, scheme as a further improvement on the present invention, described underframe 1 And/or the frame structure two sides of added 3 are provided with supporting rib stiffener arranged in a crossed manner.
In order to alleviate labor intensity of operating staff, scheme as a further improvement on the present invention, described Working pedal 14 It is provided with seat.
This coal mine self-moving moves diagonal angle cross bearing roadway floor armature boring chassis owing to being provided be arranged on underframe 1 upper Frame 3, top location supporting cylinder 41 and control valve group and pumping plant 43 are arranged on added 3, and location, bottom supporting cylinder 42 are arranged on underframe 1, be therefore manipulated by valve group and pumping plant 43 makes top location supporting cylinder 41 and location, bottom Supporting cylinder 42 stretches out respectively, and the support footstock of location, top supporting cylinder 41 acts against on top board, location, bottom supports The support base of hydraulic cylinder 42 acts against and makes underframe 1 form stable rigid support between back and base plate on base plate, During boring, the drilling rod of rig 27 pierces the counteracting force that base plate produces and acts on underframe 1 by rig installing rack 26, body 21, Active force is directly acted on back by top location supporting cylinder 41 and location, bottom supporting cylinder 42 by underframe 1 And base plate, therefore need not be supported on back to provide reversely with pin or reverse air leg above the drilling rod of rig 27 Holding power；Owing to workpiece 2 is provided with before and after's gathering sill 22, front and back locator card orchid 23, left and right gathering sill 24, left and right locator card orchid 25, therefore this coal mine self-moving is moved after cross bearing roadway floor armature boring chassis in diagonal angle is had good positioning and can realize pinpointing one Position can complete the multiple rows of or operation in multiple row hole, i.e. can realize rig 27 at front and back's gathering sill 22 and left and right gathering sill 24 row All full lines and the bore position of permutation in the range of journey carry out location boring；This coal mine self-moving moves at the bottom of cross bearing tunnel, diagonal angle Plate armature boring trolley structure is simple, easily operated to be controlled from mobile, can carry out rockbolt installation, hole and pacify after completing boring The dress speed of anchor pole, installation effectiveness are high, are adapted to the requirement of Quick Road-Made, are particularly well-suited to when administering Floor Heave in Roadway adopt With the Quick mounting anchor rod of floor bolting.

Claims (6)

1. coal mine self-moving moves a diagonal angle cross bearing roadway floor armature boring chassis, including rig (27), it is characterised in that Also include underframe (1), workpiece (2), added (3) and device positioning element (4)；
Described added (3) are fixedly mounted on underframe (1), and underframe (1) bottom is provided with at least one deflecting roller (13) and at least The drivewheel (11) arranged including one group of coaxial direction, drivewheel (11) is connected with driving hydraulic motor (12), deflecting roller (13) It is connected with steering hydraulic motor, underframe (1) is additionally provided with Working pedal (14) and guidance panel；
Described workpiece (2) is arranged on underframe (1), blue including body (21), front and back gathering sill (22), front and back locator card (23), left and right gathering sill (24), left and right locator card blue (25), rig installing rack (26) and rig (27)；Body (21) passes through post Shape slip shoe frame is located at before and after fore-and-aft direction is arranged on underframe (1) medial surface on gathering sill (22)；Front and back locator card is blue (23) It is connected with body (21) and is equipped with on front and back's gathering sill (22)；Rig installing rack (26) is located at a left side by cylindricality slip shoe frame Right direction is arranged on the left and right gathering sill (24) on body (21) medial surface；Left and right locator card blue (25) and rig installing rack (26) connect and be equipped with on left and right gathering sill (24)；Described rig (27) is vertically arranged and is arranged on rig installing rack (26) on；
Described device positioning element (4) include top location supporting cylinder (41), bottom location supporting cylinder (42) and Control valve group and pumping plant (43)；Location supporting cylinder, top (41) is set to two pieces, location, two pieces top supporting cylinder (41) piston end sets up, cylinder body centrosymmetry is vertically fixedly mounted in added (3) diagonal positions, its piston end end It is provided with support footstock；Location supporting cylinder, bottom (42) is set to two pieces, positions supporting cylinder (42) piston bottom two pieces Hold that the position at location supporting cylinder, down-set, cylinder body corresponding top (41) is crisscross is vertically fixedly mounted on underframe (1) In diagonal positions, its piston end end is provided with support base；Control valve group and pumping plant (43) are arranged on underframe (1) or added (3), on, the outfan of control valve group and pumping plant (43) is respectively by fluid pressure line and location supporting cylinder, top (41), bottom Location supporting cylinder (42), driving hydraulic motor (12) and steering hydraulic motor connect.
Coal mine self-moving the most according to claim 1 moves diagonal angle cross bearing roadway floor armature boring chassis, and its feature exists In, described body (21) is connected with front and back's locator card blue (23) by angle regulation positioning device.
Coal mine self-moving the most according to claim 1 and 2 moves diagonal angle cross bearing roadway floor armature boring chassis, its feature Being, described rig installing rack (26) is connected with left and right locator card blue (25) by angle regulation positioning device.
Coal mine self-moving the most according to claim 3 moves diagonal angle cross bearing roadway floor armature boring chassis, and its feature exists In, described underframe (1) and added (3) they are all frame structures.
Coal mine self-moving the most according to claim 4 moves diagonal angle cross bearing roadway floor armature boring chassis, and its feature exists In, described underframe (1) and/or the frame structure two sides of added (3) are provided with supporting rib stiffener arranged in a crossed manner.
Coal mine self-moving the most according to claim 1 moves diagonal angle cross bearing roadway floor armature boring chassis, and its feature exists In, described Working pedal (14) is provided with seat.
CN201610580020.XA 2016-07-22 2016-07-22 A kind of coal mine self-moving moves diagonal angle cross bearing roadway floor armature boring chassis Pending CN106121531A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610580020.XA CN106121531A (en) 2016-07-22 2016-07-22 A kind of coal mine self-moving moves diagonal angle cross bearing roadway floor armature boring chassis

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610580020.XA CN106121531A (en) 2016-07-22 2016-07-22 A kind of coal mine self-moving moves diagonal angle cross bearing roadway floor armature boring chassis

Publications (1)

Publication Number Publication Date
CN106121531A true CN106121531A (en) 2016-11-16

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ID=57290191

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610580020.XA Pending CN106121531A (en) 2016-07-22 2016-07-22 A kind of coal mine self-moving moves diagonal angle cross bearing roadway floor armature boring chassis

Country Status (1)

Country Link
CN (1) CN106121531A (en)

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WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20161116

WD01 Invention patent application deemed withdrawn after publication