CN106150369A - A kind of underground coal mine is from movable base plate armature boring chassis - Google Patents

A kind of underground coal mine is from movable base plate armature boring chassis Download PDF

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Publication number
CN106150369A
CN106150369A CN201610619833.5A CN201610619833A CN106150369A CN 106150369 A CN106150369 A CN 106150369A CN 201610619833 A CN201610619833 A CN 201610619833A CN 106150369 A CN106150369 A CN 106150369A
Authority
CN
China
Prior art keywords
positioning
underframe
guide groove
supporting cylinder
locking nut
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
CN201610619833.5A
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Chinese (zh)
Inventor
耿志国
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.)
Xuzhou Naili Macromolecule Technology Co Ltd
Original Assignee
Xuzhou Naili Macromolecule Technology 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 Xuzhou Naili Macromolecule Technology Co Ltd filed Critical Xuzhou Naili Macromolecule Technology Co Ltd
Priority to CN201610619833.5A priority Critical patent/CN106150369A/en
Publication of CN106150369A publication Critical patent/CN106150369A/en
Pending legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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 characterized by means for land transport with their own drive, e.g. skid mounting or wheel mounting
    • E21B7/024—Drilling rigs characterized 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 DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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 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

Abstract

The invention discloses a kind of underground coal mine from movable base plate armature boring chassis, including underframe (1), workpiece (2), added (3) and device positioning element (4)；It added is fixedly mounted on underframe；Workpiece is arranged on underframe, including body (21), front and back guide groove (22), front and back positioning and locking nut (23), left and right guide groove (24), left and right positioning and locking nut (25), rig installing rack (26) and rig (27)；Device positioning element includes top positioning supporting cylinder (41), bottom positioning supporting cylinder (42) and control valve group and pumping plant (43), and control valve group and pumping plant are connected with top positioning supporting cylinder and bottom positioning supporting cylinder respectively.Roadway floor is quickly holed on the premise of movable base plate armature boring chassis can provide reverse holding power in boring procedure by this underground coal mine, improves rockbolt installation speed, adapts to the requirement of Quick Road-Made.

Description

A kind of underground coal mine is from movable base plate armature boring chassis
Technical field
The present invention relates to a kind of drilling jumbo, specifically one is applicable to underground coal mine and carries out anchor pole of holing to roadway floor The underground coal mine of supporting, from movable base plate armature boring chassis, belongs to down-hole support equipment technical field.
Background technology
Due to the difference of the self-characteristic of different depth rock mass and residing ambient stress around tunnel, transported by geologic rhythm The factor impacts such as dynamic, ground water pressure, country rock easily produces Incoordinate deformation, especially for underground coal mine exploitation, 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 Referred to as pucking, pucking is a kind of dynamic phenomenon often occurring in roadway, the character of it and 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, underground water hydraulic pressure is high, strength of turbulence is high, danger of burst The deep-seated setting of the features such as height, creep is obvious, deformation is big, high stress and soft rock mine roadway and chamber, 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 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 improving 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., suspension roof support is being used to base plate Needing during operation first to hole base plate, conventional method need to be supported by pin or reverse air leg in boring procedure above drilling rod On back, providing 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, simultaneously 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.
Content of the invention
For the problems referred to above, the present invention provides a kind of underground coal mine from movable base plate armature boring chassis, simple in construction, energy Realize the quick drilling operation that carries out roadway floor on the premise of reverse holding power is enough provided in boring procedure, and then entirety carries High rockbolt installation speed, is adapted to the requirement of Quick Road-Made.
For achieving the above object, this underground coal mine includes underframe, workpiece, added from movable base plate armature boring chassis With 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 driving wheel that direction of principal axis is arranged, driving wheel 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, including body, front and back guide groove, front and back positioning and locking nut, a left side Right guide groove, left and right positioning and locking nut, rig installing rack and rig；Body is rectangle frame structure, and both ends of the surface are led to around Cross and be positioned at the cylindricality slip shoe frame of end face central authorities and be located at before and after fore-and-aft direction is arranged on underframe medial surface on guide groove, be provided with The end of the cylindricality piston shoes of screw thread passes through guide groove front and back；Front and back positioning and locking nut coordinates with the end thread of cylindricality piston shoes And be pressed on the lateral surface of before and after's guide groove；Before and after rig installing rack, both ends of the surface are located at right and left by cylindricality slip shoe frame On the left and right guide groove being arranged on body medial surface, if the end of threaded cylindricality piston shoes passes through left and right and guides logical Groove；Left and right positioning and locking nut coordinates with the end thread of cylindricality piston shoes and is pressed on the lateral surface of left and right guide groove；Institute The rig stated is vertically arranged and is arranged on rig installing rack；
Described device positioning element includes top positioning supporting cylinder, bottom positioning supporting cylinder and control valve group And pumping plant；Top positioning supporting cylinder is set to three, and three tops positioning supporting cylinder piston end sets up, cylinder body Central Symmetry is vertically fixedly mounted on added, and its piston end end is provided with support footstock；Bottom positioning supporting cylinder is arranged Being three, supporting cylinder piston end is down-set, cylinder body Central Symmetry is vertically fixedly mounted on underframe for three bottom positioning, Its piston end end is provided with support base；Control valve group and pumping plant be arranged on underframe or added on, control valve group and pumping plant defeated Go out end to be positioned supporting cylinder by fluid pressure line with top positioning supporting cylinder, bottom, drive hydraulic motor and turn respectively Connect to hydraulic motor.
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, positioning and locking nut and left and right positioning and locking spiral shell before and after described positioning It is radially provided with handle on mother.
Scheme as a further improvement on the present invention, described before and after positioning and locking nut inner face with front and back guide logical Between the inner face of between the lateral surface of groove and left and right positioning and locking nut and the lateral surface of left and right guide groove, ecto-entad depends on It secondary is provided with spring washer and plain washer.
Scheme as a further improvement on the present invention, described Working pedal is provided with seat.
Compared with prior art, this underground coal mine is arranged on underframe owing to being provided with from movable base plate armature boring chassis Added, top positioning supporting cylinder and control valve group and pumping plant are arranged on added, and bottom positioning supporting cylinder is installed It on underframe, is therefore manipulated by valve group and pumping plant makes top positioning supporting cylinder and bottom positioning supporting cylinder divide Not stretching out, the support footstock of top positioning supporting cylinder acts against on top board, the support base of bottom positioning supporting cylinder Acting against and making underframe form stable rigid support between back and base plate on base plate, during boring, the drilling rod of rig bores The reaction force entering base plate generation acts on underframe by rig installing rack, body, and active force is propped up by underframe by top positioning Support hydraulic cylinder and bottom positioning supporting cylinder directly act on back and base plate, therefore do not need on the drilling rod of rig Side's pin or reverse air leg are supported on back to provide reverse holding power；Guide logical before and after being provided with due to workpiece Groove, front and back positioning and locking nut, left and right guide groove, left and right positioning and locking nut, therefore by this underground coal mine from movable base plate Armature boring chassis can realize after having good positioning that pinpointing a position can complete multiple rows of or multiple row hole operation, i.e. can realize Front and back, the bore position of all full lines in guide groove and left and right guide groove stroke range and permutation positions rig Boring；Owing between body and underframe, being equipped with cylindricality piston shoes between rig installing rack and body, therefore can realize to front and back On direction or left and right directions, non-fully the roadway floor of level carries out vertical drilling；This underground coal mine is from movable base plate armature boring Trolley structure is simple, easily operated from mobile control, can carry out rockbolt installation, boring and the speed installing anchor pole after completing boring Degree is very fast, installation effectiveness is high, is adapted to the requirement of Quick Road-Made, uses base plate anchor pole when being particularly well-suited to administer Floor Heave in Roadway The Quick mounting anchor rod of supporting.
Brief description
Fig. 1 is the three-dimensional structure schematic diagram of the present invention；
Fig. 2 is the attachment structure schematic diagram of guide groove and front and back positioning and locking nut before and after the present invention.
In figure: the 1st, underframe, the 11st, driving wheel, the 12nd, drive hydraulic motor, the 13rd, deflecting roller, the 14th, Working pedal, the 2nd, work portion Part, the 21st, body, the 22nd, front and back guide groove, the 23rd, front and back positioning and locking nut, the 24th, left and right guide groove, the 25th, left and right positioning lock Jack panel, the 26th, rig installing rack, the 27th, rig, the 3rd, added, the 4th, device positioning element, the 41st, top positioning supporting cylinder, the 42nd, Bottom positioning supporting cylinder, the 43rd, 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 underground coal mine includes the 2nd, added 3 and of underframe the 1st, workpiece from movable base plate armature boring chassis 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 driving wheel 11 that one group of coaxial direction is arranged, driving wheel 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 the 21st, front and back guide groove the 22nd, front and back positioning and locking spiral shell Female 23rd, left and right guide groove the 24th, left and right positioning and locking nut the 25th, rig installing rack 26 and rig 27；Body 21 is rectangle frame knot Structure, both ends of the surface are located at fore-and-aft direction are arranged on underframe 1 medial surface by being positioned at the cylindricality slip shoe frame of end face central authorities around Front and back on guide groove 22, if the end of threaded cylindricality piston shoes passes through guide groove 22 front and back, body 21 can pass through post Shape piston shoes movable or along cylindricality piston shoes axle center on front and back's guide groove 22 rotates and changes angle；As in figure 2 it is shown, it is front Rear positioning and locking nut 23 coordinates with the end thread of cylindricality piston shoes and is pressed on the lateral surface of before and after's guide groove 22, body By unclamping or screwing before and after's positioning and locking nut 23,21 can realize that fore-and-aft direction moves or positions on underframe 1；Rig is pacified Shelve both ends of the surface before and after 26 to be located at, by cylindricality slip shoe frame, the left and right that left and right directions is arranged on body 21 medial surface and guide logical On groove 24, if the end of threaded cylindricality piston shoes passes through left and right guide groove 24, rig installing rack 26 can be sliding by cylindricality Boots move left and right on left and right guide groove 24 or along cylindricality piston shoes axle center rotate change angle；Left and right positioning and locking nut 25 coordinate with the end thread of cylindricality piston shoes and are pressed on the lateral surface of left and right guide groove 24, and rig installing rack 26 can lead to Cross and unclamp or screw left and right positioning and locking nut 25 and realize that left and right directions moves or positions on body 21；Rig 27 is vertically arranged It is arranged on rig installing rack 26.
Described device positioning element 4 includes top positioning supporting cylinder the 41st, bottom positioning supporting cylinder 42 and control Valve group processed and pumping plant 43；Owing to 3 determine a plane, therefore positioning supporting cylinder 41 in top is set to three, three tops Supporting cylinder 41 piston end sets up positioning, cylinder body Central Symmetry is vertically fixedly mounted on added 3, its piston end end It is provided with support footstock；Bottom positioning supporting cylinder 42 be set to three, three bottom positioning supporting cylinder 42 piston end to Lower setting, cylinder body Central Symmetry are vertically fixedly mounted on underframe 1, and its piston end end is provided with support base；Control valve group and Pumping plant 43 is arranged on underframe 1 or added 3, and the output of control valve group and pumping plant 43 is positioned with top by fluid pressure line respectively The 42nd, supporting cylinder the 41st, bottom positioning supporting cylinder drives hydraulic motor 12 and steering hydraulic motor to connect.
Operating personnel are manipulated by valve group on Working pedal 14 guidance panel and pumping plant 43 control drives hydraulic pressure horse Reach after this underground coal mine stays in from movable base plate armature boring chassis and need to carry out on the roadway floor of base plate boring by 12 actions Operational control valve group and pumping plant 43 make top positioning supporting cylinder 41 and bottom positioning supporting cylinder 42 stretch out respectively, top The support footstock of positioning supporting cylinder 41 acts against on top board, the support base of bottom positioning supporting cylinder 42 acts against the end Make underframe 1 form rigid support between back and base plate on plate, then unclamp before and after's positioning and locking nut 23 and left and right Positioning and locking nut 25, positioning and locking nut 23 before and after locking behind the position that mobile body 21 to fore-and-aft direction needs boring, so Needing locking left and right positioning and locking nut 25 behind the position of boring on rear mobile drill installing rack 26 to left and right directions, rig 27 is i.e. just To bore position, starting rig 27 and carrying out holing, the setting of cylindricality piston shoes can realize to fore-and-aft direction or left and right directions On the roadway floor of non-fully level carry out vertical drilling, during boring, the drilling rod of rig 27 pierces the reaction force that base plate produces Acting on underframe 1 by rig installing rack the 26th, body 21, active force is positioned supporting cylinder 41 and the end by top by underframe 1 Portion's positioning supporting cylinder 42 directly acts on back and base plate；It is drilled first Kong Houke and directly unclamp before and after's positioning lock Jack panel 23 or left and right positioning and locking nut 25 carry out bore position on fore-and-aft direction or left and right directions adjust realize a row or The drilling operation of one row.
In order to mitigate the overall weight of whole device in order to move, 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 realize not using additional means quickly to screw or unclamp positioning and locking nut 23 and left and right positioning before and after positioning Locking nut 25, as a further improvement on the present invention scheme, positioning and locking nut 23 and left and right positioning before and after described positioning It is radially provided with handle, before and after can realizing manually quickly screwing or unclamping positioning by rotary handle on locking nut 25 Positioning and locking nut 23 and left and right positioning and locking nut 25.
In order to prevent before and after the positioning after screwing positioning and locking nut 23 and left and right positioning and locking nut 25 at boring procedure Middle loosen because of vibration, scheme as a further improvement on the present invention, described before and after positioning and locking nut 23 inner face with Between the lateral surface of the guide groove 22 and outside of inner face and left and right guide groove 24 of left and right positioning and locking nut 25 front and back Between face, ecto-entad is sequentially provided with spring washer and plain washer.
In order to mitigate labor intensity of operating staff, scheme as a further improvement on the present invention, described Working pedal 14 It is provided with seat.
This underground coal mine is from movable base plate armature boring chassis owing to being provided with added 3 being arranged on underframe 1, and top positions Supporting cylinder 41 and control valve group and pumping plant 43 are arranged on added 3, and bottom positioning supporting cylinder 42 is arranged on underframe 1 On, it is therefore manipulated by valve group and pumping plant 43 makes top positioning supporting cylinder 41 and bottom positioning supporting cylinder 42 points Not stretching out, the support footstock of top positioning supporting cylinder 41 acts against on top board, the support of bottom positioning supporting cylinder 42 Base acts against makes underframe 1 form stable rigid support between back and base plate on base plate, rig 27 during boring Drilling rod pierce base plate produce reaction force act on underframe 1 by rig installing rack the 26th, body 21, underframe 1 is by active force Directly act on back and base plate by top positioning supporting cylinder 41 and bottom positioning supporting cylinder 42, therefore not Need to be supported on back with pin or reverse air leg to provide reverse holding power above the drilling rod of rig 27；Due to work Make parts 2 and be provided with before and after's guide groove the 22nd, front and back positioning and locking nut the 23rd, left and right guide groove the 24th, left and right positioning and locking nut 25, therefore this underground coal mine can be realized after movable base plate armature boring chassis is had good positioning that pinpointing a position can complete The operation in multiple rows of or multiple row hole, i.e. can realize rig 27 in front and back's guide groove 22 and left and right guide groove 24 stroke range All full lines and the bore position of permutation carry out positioning boring；Due between body 21 and underframe 1, rig installing rack 26 and this It is equipped with cylindricality piston shoes between body 21, therefore can realize the roadway floor to non-fully level on fore-and-aft direction or left and right directions Carry out vertical drilling；This underground coal mine is simple, easily operated from mobile control from movable base plate armature boring trolley structure, completes Can carry out rockbolt installation after boring, speed, the installation effectiveness of boring and installation anchor pole are high, are adapted to wanting of Quick Road-Made Ask, when being particularly well-suited to administer Floor Heave in Roadway, use the Quick mounting anchor rod of floor bolting.

Claims (6)

1. underground coal mine is from a movable base plate 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 Including the driving wheel (11) that one group of coaxial direction is arranged, driving wheel (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), including body (21), front and back guide groove (22), front and back positioning lock Jack panel (23), left and right guide groove (24), left and right positioning and locking nut (25), rig installing rack (26) and rig (27)；This Body (21) is rectangle frame structure, and both ends of the surface are located at fore-and-aft direction are arranged on by being positioned at the cylindricality slip shoe frame of end face central authorities around Before and after on underframe (1) medial surface on guide groove (22), if the end of threaded cylindricality piston shoes passes through guide groove front and back (22)；Front and back positioning and locking nut (23) coordinates with the end thread of cylindricality piston shoes and is pressed on outside before and after's guide groove (22) On side；Before and after rig installing rack (26), both ends of the surface are located at left and right directions by cylindricality slip shoe frame and are arranged on body (21) inner side On left and right guide groove (24) on face, if the end of threaded cylindricality piston shoes passes through left and right guide groove (24)；Left and right is fixed Position locking nut (25) coordinates with the end thread of cylindricality piston shoes and is pressed on the lateral surface of left and right guide groove (24)；Described Rig (27) be vertically arranged and be arranged on rig installing rack (26)；
Described device positioning element (4) include top positioning supporting cylinder (41), bottom positioning supporting cylinder (42) and Control valve group and pumping plant (43)；Top positioning supporting cylinder (41) is set to three, three top positioning supporting cylinders (41) piston end sets up, cylinder body Central Symmetry is vertically fixedly mounted on added (3), and its piston end end is provided with a support Seat；Bottom positioning supporting cylinder (42) be set to three, three bottom positioning supporting cylinder (42) piston end down-set, Cylinder body Central Symmetry is vertically fixedly mounted on underframe (1), and its piston end end is provided with support base；Control valve group and pumping plant (43) being arranged on underframe (1) or added (3), the output of control valve group and pumping plant (43) passes through fluid pressure line and top respectively Positioning supporting cylinder (41), bottom positioning supporting cylinder (42), driving hydraulic motor (12) and steering hydraulic motor connect.
2. underground coal mine according to claim 1 is from movable base plate armature boring chassis, it is characterised in that described underframe And added (3) are all frame structures (1).
3. underground coal mine according to claim 2 is from movable base plate armature boring chassis, it is characterised in that described underframe And/or the frame structure two sides of added (3) are provided with supporting rib stiffener arranged in a crossed manner (1).
4. the steady boring device of underground coal mine base plate anchor pole according to claim 1 or 2 or 3, it is characterised in that described positioning It front and back is radially provided with handle on positioning and locking nut (23) and left and right positioning and locking nut (25).
5. the steady boring device of underground coal mine base plate anchor pole according to claim 1 or 2 or 3, it is characterised in that before and after described Between the lateral surface of the inner face of positioning and locking nut (23) and front and back guide groove (22) and left and right positioning and locking nut (25) Inner face and the lateral surface of left and right guide groove (24) between ecto-entad be sequentially provided with spring washer and plain washer.
6. the underground coal mine according to claim 1 or 2 or 3 is from the mobile steady platform flatcar of roadway floor armature boring, its feature Being, described Working pedal (14) is provided with seat.
CN201610619833.5A 2016-07-30 2016-07-30 A kind of underground coal mine is from movable base plate armature boring chassis Pending CN106150369A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610619833.5A CN106150369A (en) 2016-07-30 2016-07-30 A kind of underground coal mine is from movable base plate armature boring chassis

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610619833.5A CN106150369A (en) 2016-07-30 2016-07-30 A kind of underground coal mine is from movable base plate armature boring chassis

Publications (1)

Publication Number Publication Date
CN106150369A true CN106150369A (en) 2016-11-23

Family

ID=57327822

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610619833.5A Pending CN106150369A (en) 2016-07-30 2016-07-30 A kind of underground coal mine is from movable base plate armature boring chassis

Country Status (1)

Country Link
CN (1) CN106150369A (en)

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Application publication date: 20161123

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