CN106223845A - A kind of coal mine self-moving moves diagonal orientation base plate armature boring chassis - Google Patents
A kind of coal mine self-moving moves diagonal orientation base plate armature boring chassis Download PDFInfo
- Publication number
- CN106223845A CN106223845A CN201610583218.3A CN201610583218A CN106223845A CN 106223845 A CN106223845 A CN 106223845A CN 201610583218 A CN201610583218 A CN 201610583218A CN 106223845 A CN106223845 A CN 106223845A
- Authority
- CN
- China
- Prior art keywords
- underframe
- base plate
- coal mine
- rig
- added
- 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
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- 239000003245 coal Substances 0.000 title claims abstract description 22
- 238000005086 pumping Methods 0.000 claims abstract description 17
- 239000012530 fluid Substances 0.000 claims description 3
- 239000003351 stiffener Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 12
- 238000009434 installation Methods 0.000 abstract description 8
- 241000233855 Orchidaceae Species 0.000 description 15
- 238000005553 drilling Methods 0.000 description 14
- 241000196324 Embryophyta Species 0.000 description 13
- 239000011435 rock Substances 0.000 description 10
- 238000005065 mining Methods 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
Landscapes
- 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 orientation base plate 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 that location supports bi-directional expansion hydraulic cylinder (41) and control valve group and pumping plant (42), and support bi-directional expansion hydraulic cylinder body centrosymmetry in two pieces location is vertically fixedly mounted in added or underframe diagonal positions.This coal mine self-moving moves on the premise of diagonal orientation base plate armature boring chassis can provide reverse holding power in boring procedure and realizes quickly holing roadway floor, overall raising rockbolt installation speed, is adapted to the requirement of Quick Road-Made.
Description
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 orientation base plate 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 orientation base plate armature boring chassis, structure letter
Single, it is possible to realize quickly roadway floor being carried out drilling operation on the premise of reverse holding power is provided in boring procedure, and then
Overall raising rockbolt installation speed, is adapted to the requirement of Quick Road-Made.
For achieving the above object, this coal mine self-moving move diagonal orientation base plate 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 that location supports bi-directional expansion hydraulic cylinder and control valve group and pumping plant；Location supports
Bi-directional expansion hydraulic cylinder is set to two pieces, and two pieces location supports bi-directional expansion hydraulic cylinder body centrosymmetry and is vertically fixedly mounted on
In added or underframe diagonal positions, its piston end end is provided with support seat；Control valve group and pumping plant are arranged on underframe or added
On, the outfan of control valve group and pumping plant is supported bi-directional expansion hydraulic cylinder respectively, drives hydraulic pressure horse by fluid pressure line with location
Reach and connect with steering hydraulic motor.
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 is by angle regulation positioning device and a left side
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 orientation base plate armature boring chassis and is arranged on underframe owing to being provided with
On added, location supports bi-directional expansion hydraulic cylinder and control valve group and pumping plant is arranged on added or underframe, therefore by behaviour
Make control valve group and pumping plant make location support bi-directional expansion hydraulic cylinder is the most two-way to be stretched out, location supports bi-directional expansion hydraulic cylinder
Support seat acts against and makes underframe form stable rigid support between back and base plate, during boring on top board and 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 location support bi-directional expansion hydraulic cylinder and directly act on back and base plate, therefore need not use above the drilling rod of rig
Pin or reversely air leg are supported on back to provide reverse holding power；Owing to workpiece is provided with before and after's gathering sill, front
Rear locator card orchid, left and right gathering sill, left and right locator card orchid, it is fixed to realize after therefore being had good positioning by steady for this base plate anchor pole boring device
One position of point can complete the multiple rows of or operation in multiple row hole, i.e. can realize rig at front and back's gathering sill and left and right gathering sill 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 diagonal orientation base plate anchor pole and bores
Hole trolley structure is simple, easily operated to be controlled from mobile, can carry out rockbolt installation, hole and install anchor pole after completing boring
Speed, installation effectiveness are high, are adapted to the requirement of Quick Road-Made, use base plate anchor when being particularly well-suited to administer Floor Heave in Roadway
The Quick mounting anchor rod of bar supporting.
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 move diagonal orientation base plate armature boring chassis include underframe 1, workpiece 2, on
Frame 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 that location supports bi-directional expansion hydraulic cylinder 41 and control valve group and pumping plant 42；By
In supporting cylinder be vertically arranged in support on the diagonal supporting leg of support body more firm, therefore location support bi-directional expansion hydraulic pressure
Cylinder 41 is set to two pieces, two pieces location support bi-directional expansion hydraulic cylinder 41 cylinder body centrosymmetry be vertically fixedly mounted on added 3 or
In underframe 1 diagonal positions, its piston end end is provided with support seat；Control valve group and pumping plant 42 are arranged on underframe 1 or added 3
On, the outfan of control valve group and pumping plant 42 is supported bi-directional expansion hydraulic cylinder 41 respectively, drives liquid by fluid pressure line with location
Pressure motor 12 and steering hydraulic motor connect.
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 orientation base plate armature boring chassis to stay in the roadway floor that need to carry out base plate boring
Operate after on control valve group and pumping plant 42 make location support bi-directional expansion hydraulic cylinder about 41 is two-way to be stretched out, location supports two-way stretching
The support seat of contracting hydraulic cylinder 41 acts against and makes underframe 1 form rigid support between back and base plate on top board and base plate,
Then unclamp before and after's locator card blue 23 and left and right locator card orchid 25, lock after mobile body 21 to fore-and-aft direction needs the position of boring
Locator card orchid 23 before and after tight, locks left and right locator card after then needing the position of boring on mobile drill installing rack 26 to left and right directions
Blue 25, rig 27, the most just to bore position, starts rig 27 and carries out holing, and during boring, the drilling rod of rig 27 pierces base plate
The counteracting force produced acts on underframe 1 by rig installing rack 26, body 21, and active force is supported double by underframe 1 by location
Back and base plate is directly acted on to telescopic hydraulic cylinder 41；It is drilled first Kong Houke and directly unclamps before and after locator card orchid 23
Or left and right locator card orchid 25 carries out the bore position on fore-and-aft direction or left and right directions and adjusts the boring behaviour realizing a row or string
Make.
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, side as a further improvement on the present invention
Case, described underframe 1 and added 3 is 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 orientation base plate armature boring chassis owing to being provided with added 3 be arranged on underframe 1, location
Support bi-directional expansion hydraulic cylinder 41 and control valve group and pumping plant 42 be arranged on added 3 or underframe 1 on, be therefore manipulated by valve
Group and pumping plant 42 make location support bi-directional expansion hydraulic cylinder about 41 is two-way stretches out, location supports bi-directional expansion hydraulic cylinder 41
Support seat acts against and makes underframe 1 form stable rigid support between back and base plate on top board and base plate, holes the phase
Between the drilling rod of rig 27 pierce the counteracting force that base plate produces and act on underframe 1, underframe 1 by rig installing rack 26, body 21
Active force is supported bi-directional expansion hydraulic cylinder 41 by location and directly acts on back and base plate, therefore need not at rig
It is supported on back to provide reverse holding power with pin or reverse air leg above the drilling rod of 27；Owing to workpiece 2 sets
There are 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 by steady for this base plate anchor pole
Boring device can realize pinpointing a position after having good positioning can complete the multiple rows of or operation in multiple row hole, i.e. can realize rig 27
Front and back, the bore position of all full lines in gathering sill 22 and left and right gathering sill 24 stroke range and permutation carries out location boring；
It is simple, easily operated from mobile control that this coal mine self-moving moves diagonal orientation base plate armature boring trolley structure, after completing boring is
Rockbolt installation can be carried out, hole and the speed of anchor pole, installation effectiveness height are installed, being adapted to the requirement of Quick Road-Made, especially
The Quick mounting anchor rod of floor bolting is used when being applicable to Floor Heave in Roadway is administered.
Claims (6)
1. coal mine self-moving moves a diagonal orientation base plate armature boring chassis, including rig (27), it is characterised in that also include the end
Frame (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) includes that location supports bi-directional expansion hydraulic cylinder (41) and control valve group and pumping plant (42)；
Location supports bi-directional expansion hydraulic cylinder (41) and is set to two pieces, and two pieces location supports bi-directional expansion hydraulic cylinder (41) cylinder body center pair
Claiming vertically to be fixedly mounted in added (3) or underframe (1) diagonal positions, its piston end end is provided with support seat；Control valve group
And pumping plant (42) is arranged on underframe (1) or added (3), the outfan of control valve group and pumping plant (42) is by fluid pressure line respectively
Support bi-directional expansion hydraulic cylinder (41) with location, drive hydraulic motor (12) and steering hydraulic motor to be connected.
Coal mine self-moving the most according to claim 1 moves diagonal orientation base plate armature boring chassis, it is characterised in that 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 orientation base plate armature boring chassis, it is characterised in that institute
The rig installing rack (26) stated 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 orientation base plate armature boring chassis, it is characterised in that described
Underframe (1) and added (3) are all frame structures.
Coal mine self-moving the most according to claim 4 moves diagonal orientation base plate armature boring chassis, it is characterised in that described
The frame structure two sides of underframe (1) and/or 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 orientation base plate armature boring chassis, it is characterised in that described
Working pedal (14) is provided with seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610583218.3A CN106223845A (en) | 2016-07-22 | 2016-07-22 | A kind of coal mine self-moving moves diagonal orientation base plate armature boring chassis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610583218.3A CN106223845A (en) | 2016-07-22 | 2016-07-22 | A kind of coal mine self-moving moves diagonal orientation base plate armature boring chassis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106223845A true CN106223845A (en) | 2016-12-14 |
Family
ID=57532289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610583218.3A Pending CN106223845A (en) | 2016-07-22 | 2016-07-22 | A kind of coal mine self-moving moves diagonal orientation base plate armature boring chassis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106223845A (en) |
-
2016
- 2016-07-22 CN CN201610583218.3A patent/CN106223845A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161214 |