CN108952707A - Continous way for continuous milling machine temporarily protects ejection device and continuous milling machine - Google Patents
Continous way for continuous milling machine temporarily protects ejection device and continuous milling machine Download PDFInfo
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- CN108952707A CN108952707A CN201811057310.1A CN201811057310A CN108952707A CN 108952707 A CN108952707 A CN 108952707A CN 201811057310 A CN201811057310 A CN 201811057310A CN 108952707 A CN108952707 A CN 108952707A
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- Prior art keywords
- idler wheel
- milling machine
- continuous milling
- crawler belt
- ejection device
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- 238000003801 milling Methods 0.000 title claims abstract description 51
- 238000005520 cutting process Methods 0.000 claims abstract description 21
- 238000010276 construction Methods 0.000 claims abstract description 14
- 241000219098 Parthenocissus Species 0.000 claims description 15
- 239000011159 matrix material Substances 0.000 claims description 15
- 229920001875 Ebonite Polymers 0.000 claims description 13
- 239000003822 epoxy resin Substances 0.000 claims description 2
- 229920000647 polyepoxide Polymers 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 6
- 239000003245 coal Substances 0.000 description 4
- 230000002045 lasting effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
- E21D23/06—Special mine caps or special tops of pit-props for permitting step-by-step movement
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
- E21D23/0017—Pile type supports
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/0052—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor with advancing shifting devices connected therewith
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Lining And Supports For Tunnels (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a kind of continous ways for continuous milling machine temporarily to protect ejection device and continuous milling machine, including roller shield top, and roller shield top is fixed in the rack of continuous milling machine by pillar construction；Roller shield top includes frame body, closure crawler belt ring, the first idler wheel, the second idler wheel and elastic branch weight structure, first idler wheel and the second idler wheel are hinged with the both ends of frame body respectively, closure crawler belt ring set is located on the first idler wheel and the second idler wheel and rolls with the first idler wheel and the second idler wheel and connects, multiple guidance cylinders are fixed on frame body, guidance cylinder is connect with elastic branch weight structure, and elastic branch weight structure and closure crawler belt ring are rolled and connected；Being closed crawler belt ring is the component contacted with back.Continuous support of the heading equipment to top plate exposed after cutting may be implemented in the present invention, prevent heading equipment from damaging when shifting to top plate caused by top plate repeated loading, bolting operation can carry out in the rear portion of continuous milling machine, and to realize that cutting, supporting parallel operations create conditions, drivage efficiency is high.
Description
Technical field
The present invention relates to a kind of continuous milling machine, in particular to a kind of continous way for continuous milling machine temporarily protects ejection device and Lian Cai
Machine.
Background technique
The endowment of resources in China determines that coal will be the main body energy in China within one period from now on.Coal in China
The 90% of yield is pit mining, and the safe and efficient driving in tunnel is to ensure that the essential condition of well work coal mining.Safety of coal mines
Regulation regulation forbids empty top operation.After tunnelling, the three-dimensional stress state of country rock is broken, and roof strata no longer keeps steady
It is fixed, therefore the supporting operation after driving must carry out under gib.Traditional gib method such as puts pillar, needs people
Work is carried to be installed under individual prop to empty top zone, and the supporting to exposed top plate is point contact, labor intensity height, safety
Difference, low efficiency；Pipe beam type gib of leaping up is passively line contact to exposed top plate, equally exists poor, low efficiency of safety etc.
It is insufficient；Fully-mechanized digging machine carry formula gib increase the contact surface with exposed top plate, but must assure that when operation fully-mechanized digging machine shut down,
Cutterhead is put down, it is difficult to realize suspension roof support, cutting parallel operations；What some anchor driving machines carried, or independent crawler travel
Frame-type temporary support device is big to the supporting area of exposed top plate, intensity is high, but may to exposed top plate repeated loading
Top plate can be caused damage.Existing gib method produces unfavorable shadow to the driving speed in tunnel, the raising of safety
It rings.
Summary of the invention
Present invention seek to address that gib machinery degree is low when digging laneway bolting operation, labor intensity is high,
Safety is poor, the problem of causing top plate to damage is repeated plus unloaded to top plate, provides a kind of continous way for continuous milling machine and temporarily protects
Ejection device and continuous milling machine.
To realize the above-mentioned technical purpose, the technical scheme adopted by the invention is as follows:
A kind of continous way for continuous milling machine temporarily protects ejection device, including roller shield top, and roller shield top passes through
Pillar construction is fixed in the rack of continuous milling machine；
Roller shield top includes frame body, is closed crawler belt ring, the first idler wheel, the second idler wheel and elastic branch weight structure, described
First idler wheel and the second idler wheel are hinged with the both ends of the frame body respectively, the closure crawler belt ring set be located at first idler wheel and
It rolls on second idler wheel and with first idler wheel and the second idler wheel and connects, be fixed with multiple guidance cylinders on the inside of the frame body,
The guidance cylinder is connect with the elastic branch weight structure, and the elasticity branch weight structure and the closure crawler belt ring are rolled and connected；
The elasticity branch weight structure includes branch weight idler wheel, forked frame and butterfly spring group, and the branch weight idler wheel and the closure are carried out
Band rolls connection, and the branch weight idler wheel and the forked frame are hinged, and the lower part of the forked frame is provided with position-limiting drum, the limit
The center of position cylinder is provided with centered cylinder, the position-limiting drum of the forked frame cover the guidance cylinder outside and forked frame with
The butterfly spring group contact, the centered cylinder of the forked frame is inserted into the centre bore of the butterfly spring group and the butterfly
Groups of springs is placed in the guidance cylinder, and the closure crawler belt ring is the component contacted with back.
Technical solution as a further improvement of that present invention, the closure crawler belt ring is hingedly formed by multiple crawler belts, described
Crawler belt includes creeper tread matrix, hard rubber and chain rail, and the hard rubber is fixed on the creeper tread matrix, the chain rail and institute
The connection of creeper tread matrix is stated, it is hinged to pass through chain rail between each crawler belt.
Technical solution as a further improvement of that present invention, the hard rubber are bonded in the creeper tread by epoxy resin
On matrix and hard rubber is fixed on the creeper tread matrix by soket head cap screw.
Technical solution as a further improvement of that present invention, roller shield top includes strainer, the tensioning
The tensioning that mechanism is used to push first idler wheel to realize closure crawler belt ring.
Technical solution as a further improvement of that present invention, the pillar construction include rectangular inner sleeve, rectangular outer sleeve
And height adjustment cylinders, the bottom of the rectangular outer sleeve are bolted in the rack of continuous milling machine, the rectangular inner sleeve
Cylinder is embedded in the rectangular outer sleeve, and the bottom of the cylinder body of the height adjustment cylinders and the rectangular outer sleeve are hinged, institute
Piston rod and the rectangular inner sleeve for stating height adjustment cylinders are hinged, and the rectangular inner sleeve and the frame body are hinged.
Technical solution as a further improvement of that present invention, the height adjustment cylinders are two-way cylinder, the height
The oil inlet bypass for adjusting the rodless cavity of oil cylinder is connected with accumulator, and two oil inlets of the height adjustment cylinders pass through liquid
Pressure lock is connected with reversal valve, and pressure gauge and overflow valve are provided between reversal valve and hydraulic lock.
Technical solution as a further improvement of that present invention, roller shield top are fixed on by multiple pillar constructions
In the rack of continuous milling machine.
Technical solution as a further improvement of that present invention, roller shield top is 2.
To realize the above-mentioned technical purpose, another technical solution that the present invention takes are as follows:
A kind of continuous milling machine temporarily protects ejection device including the continous way for continuous milling machine.
Technical solution as a further improvement of that present invention further includes cutting mechanism, and the cutting mechanism is located at continous way
The front end of interim shield ejection device.
The invention has the benefit that
(1) heading equipment pair may be implemented in the roller shield top that the continous way for continuous milling machine of the invention temporarily protects ejection device
The continuous support of exposed top plate after cutting does not need to carry out Load-unload, effectively avoids heading equipment displacement in the prior art
When to top plate caused by the multiple Load-unload of top plate damage, realize to the effective gib of top plate exposed after cutting, anchor pole branch
Shield operation can be carried out in the rear portion of continuous milling machine, and to realize that cutting, supporting parallel operations create conditions, drivage efficiency is high, reduce
Influence of the suspension roof support to cutting.
(2) closure crawler belt ring of the invention is connect by rolling between elastic branch weight structure, the first idler wheel and the second idler wheel
Touching.When back out-of-flatness, the butterfly spring group decrement of multiple elastic branch weight structures is different, and then carries out closure
Band is well contacted with the realization of the back of out-of-flatness, big with back contact surface, highly-safe.
(3) present invention can be passed through pressure oil, height adjustment cylinders to the rodless cavity of height adjustment cylinders by reversal valve
It drives rectangular inner sleeve and then roller shield top is driven to load top plate, reversal valve is not passed through pressure oil to height adjustment cylinders
When, the pressure oil in accumulator carries height adjustment cylinders band, and then ensures that roller shield top carries the lasting guarantor of top plate,
It is high-efficient, reduce labor intensity.
Detailed description of the invention
Fig. 1 is the side view of the working condition of continuous milling machine of the invention in digging laneway.
Fig. 2 is the oblique view of continuous milling machine of the invention.
Fig. 3 is the structural schematic diagram that continous way of the invention temporarily protects ejection device.
Fig. 4 is the structural schematic diagram at roller shield top of the invention.
Fig. 5 is the partial sectional view at roller shield top of the invention.
Fig. 6 is the structural schematic diagram of forked frame of the invention.
Fig. 7 is the structural schematic diagram of crawler belt of the invention.
Fig. 8 is the structural schematic diagram of pillar construction of the invention.
Fig. 9 is the hydraulic principle schematic diagram of height adjustment cylinders of the invention.
In figure: roadway floor 1, driving face 2, the back 3 of non-supporting after cutting, the tunnel that supporting is completed
Top plate 4, roofbolt 5, continuous milling machine 6；Roller shield top A, the second idler wheel A1, frame body A2, are closed crawler belt ring A3, crawler belt A4,
Forked frame A5, branch weight idler wheel A6, butterfly spring group A7, guides cylinder A8, strainer A9, the first idler wheel A10, position-limiting drum A11, in
Heart cylinder A12, creeper tread matrix A13, hard rubber A14, soket head cap screw A15, chain rail A16；Pillar construction B, rectangular inner sleeve
B1, rectangular outer sleeve B2, height adjustment cylinders B3, reversal valve B4, hydraulic lock B5, accumulator B6, pressure gauge B7, overflow valve B8.
Specific embodiment
A specific embodiment of the invention is further illustrated below according to Fig. 1 to Fig. 9:
Gib machinery degree is low when the present embodiment aims to solve the problem that digging laneway bolting operation, labor intensity is high, peace
Full property is poor, repeats to top plate plus the problem of top plate is caused to damage for unloading, provides a kind of continous way for continuous milling machine and temporarily protects top
Device and continuous milling machine.It is specific as follows:
It such as Fig. 1 and Fig. 2, marks and is embodied as in Fig. 1: roadway floor 1, driving face 2, the tunnel of non-supporting after cutting
Top plate 3, the back 4 that supporting is completed, roofbolt 5, continuous milling machine 6.The present embodiment provides a kind of continuous milling machines, including with
Ejection device and cutting mechanism are temporarily protected in the continous way of continuous milling machine, and the cutting mechanism is located at before continous way temporarily protects ejection device
End.When cutting mechanism cutting operation, continous way temporarily protects ejection device and can carry out continuing to protect to carry to top plate realizing to naked after cutting
Reveal the effective gib of top plate, carry out bolting operation in cutting equipment rear portion, it is not necessary to for jumbolter enters front
Heading equipment is set to shut down, retreat.Cutting, supporting parallel operations are realized, and then improves drivage efficiency.
Such as Fig. 1 and Fig. 2, a kind of continous way for continuous milling machine temporarily protects ejection device, and specific structure includes roller shield top
Portion A, roller shield top A are fixed in the rack of continuous milling machine 6 by pillar construction B.
Referring to Fig. 3 and Fig. 4, roller shield top A includes frame body A2, closure crawler belt ring A3, the first idler wheel A10, the
Second wheel A1 and elastic branch weight structure, the first idler wheel A10 and the second idler wheel A1 are hinged with the both ends of the frame body A2 respectively,
Can be rotated relative to frame body A2, the closure crawler belt ring A3 be set on the first idler wheel A10 and the second idler wheel A1 and with
The first idler wheel A10 and the second idler wheel A1 rolls connection.Referring to Fig. 5, multiple guidance cylinders are fixed on the inside of the frame body A2
(frame body A2 includes strip hollow shell and the bracket for the similar triangle hinged with pillar construction B to A8, and strip is hollow
The left and right ends of shell are hinged with the first idler wheel A10 and the second idler wheel A1 respectively, and the top of strip hollow shell is opening, draw
Guide tube A8 is fixed on the inside bottom of strip hollow shell, the front and rear sides wall of strip hollow shell be respectively and fixedly provided with for
The bracket of pillar construction B hinged similar triangle, the specific structure is shown in FIG. 3), the guidance cylinder A8 and the elasticity Zhi Chong
Structure connection, the elasticity branch weight structure are rolled with the closure crawler belt ring A3 being located above frame body A2 and are connected, i.e. closure crawler belt ring
It is in rolling contact between A3 and elastic branch weight structure, the first idler wheel A10 and the second idler wheel A1.The first idler wheel of roller shield top A
Can be freely rotated between A10, the second idler wheel A1 and frame body A2, before and after continuous milling machine when displacement, closure crawler belt ring A3 and top plate it
Between band carry and roll, realize lasting gib to top plate.
Referring to Fig. 5, the elasticity branch weight structure includes branch weight idler wheel A6, forked frame A5 and butterfly spring group A7, the branch
Weight idler wheel A6 is connected at the top of the strip hollow shell of frame body A2 to roll with the closure crawler belt ring A3, the Zhi Chong
Idler wheel A6 and the forked frame A5 are hinged, and referring to Fig. 6, the lower part of the forked frame A5 is provided with position-limiting drum A11, the position-limiting drum
The center of A11 is provided with centered cylinder A12, and the position-limiting drum A11 of the forked frame A5 is covered in the outside of the guidance cylinder A8
And forked frame A5 is contacted with the butterfly spring group A7, the centered cylinder A12 of the forked frame A5 is inserted into the butterfly spring group
In the centre bore of A7 and the butterfly spring group A7 is placed in the guidance cylinder A8, and the closure crawler belt ring A3 is to push up with tunnel
The component of plate contact.Closure crawler belt ring A3 and the elastic branch weight structure, the first idler wheel A10, it rolls between the second idler wheel A1 and connects
Touching, when back out-of-flatness, the butterfly spring group A7 decrement of multiple elastic branch weight structures is different, and then makes described
Closure crawler belt ring A3 is well contacted with the realization of the back of out-of-flatness.
The closure crawler belt ring A3 is hingedly formed by multiple crawler belt A4, and referring to Fig. 7, each crawler belt A4 includes creeper tread base
Body A13, hard rubber A14 and chain rail A16, the hard rubber A14 are fixed on the creeper tread matrix A13, the chain rail A16 with
The creeper tread matrix A13 connection, it is hinged by chain rail A16 between each crawler belt A4.The hard rubber A14 passes through epoxy
It is resin-bonded on the creeper tread matrix A13 and hard rubber A14 by soket head cap screw A15 is fixed on the creeper tread matrix
On A13.
Referring to Fig. 5, roller shield top A further includes that strainer A9(can be commonly tensioned using the prior art
Device), strainer A9 is in the strip hollow shell of frame body A2, and the strainer A9 is for pushing first idler wheel
A10 is closed the tensioning of crawler belt ring A3 to realize.The first idler wheel A10 is connect with one end 360 degree rotation of the frame body A2
And first one end level of idler wheel A10 and frame body A2 be slidably connected, there is certain horizontal sliding space, mentioned for strainer A9
Stroke of tension is supplied.
Referring to Fig. 8, the pillar construction B is height regulating mechanism, and the pillar construction B includes rectangular inner sleeve B1, side
The bottom of shape outer sleeve B2 and height adjustment cylinders B3, the rectangular outer sleeve B2 are bolted on the rack of continuous milling machine 6
On, the rectangular inner sleeve B1 is embedded in the rectangular outer sleeve B2, and rectangular inner sleeve B1 can be relative to rectangular outer sleeve B2
The bottom of sliding, the cylinder body of the height adjustment cylinders B3 is hinged by pin shaft and the rectangular outer sleeve B2, the height tune
The piston rod of inside and height adjustment cylinders B3 that the rectangular inner sleeve B1 is put at the top of the cylinder body of whole oil cylinder B3 passes through pin
Axis and the rectangular inner sleeve B1 are hinged, and the top of the rectangular inner sleeve B1 and the frame body A2 are hinged, articulated manner such as Fig. 3
It is shown.The height adjustment cylinders B3 is two-way cylinder, the lower hydraulic fluid port (rodless cavity) of height adjustment cylinders B3 by pipeline from
Rectangular outer sleeve B1 stretches out and is connected in bottom pressure oil, and the upper hydraulic fluid port (rod chamber) of height adjustment cylinders B3 passes through pipeline successively
It is stretched out from the bottom of rectangular inner sleeve B2 and the bottom rectangular outer sleeve B1 and is connected with pressure oil.
Roller shield top A is fixed in the rack of continuous milling machine by multiple pillar construction B.Therefore height adjusts oil
Cylinder B3 is also multiple.Referring to Fig. 9, the oil inlet bypass of the rodless cavity of each height adjustment cylinders B3 is respectively connected with accumulator B6,
Two oil inlets of height adjustment cylinders B3 pass through hydraulic lock B5 and are connected with reversal valve B4.It can be by reversal valve B4 to height
The rodless cavity or rod chamber for adjusting oil cylinder B3 are passed through pressure oil, and then realize that height adjustment cylinders B3 band carries or unloading, height are adjusted
Whole oil cylinder B3 drives rectangular inner sleeve B1 and then roller shield top A is driven to load top plate, and reversal valve B4 does not give height to adjust
When oil cylinder B3 is passed through pressure oil, the pressure oil in accumulator B6 carries height adjustment cylinders B3 band, and then ensures that roller protects
Top A carries the lasting guarantor of top plate.Pressure gauge B7 and overflow valve B8 are provided between reversal valve B4 and hydraulic lock B5.It can press
The oil pressure relief that overflow valve B8 is adjusted under the auxiliary of power table B7, realizes different supporting intensities.
It is 2 sets that the continous way for continuous milling machine in the present embodiment, which temporarily protects ejection device, is fixed on the rack of continuous milling machine 6
On.
The present embodiment can carry out the permanent bolting operation of top plate in the rear portion of continuous milling machine 6, reduce suspension roof support
Influence to cutting.
The present embodiment is in specific works, firstly, height adjustment cylinders B3 drives rectangular inner sleeve under the action of pressure oil
Cylinder B1, rectangular inner sleeve B1 push frame body A2, rectangular inner sleeve B1 and frame body A2 in roller shield top A hinged.Frame body A2
Hinged the first idler wheel A10 and the second idler wheel A1 drives closure crawler belt ring A3 to roll along back due to the walking of continuous milling machine 6
It is dynamic, it is closed crawler belt ring A3 and elastic branch weight structure, the first idler wheel A10, is in rolling contact between the second idler wheel A1, multiple elasticity Zhi Chong
The butterfly spring group A7 decrement of structure is different, and then it is good to realize the closure crawler belt ring A3 and the back of out-of-flatness
Contact；It is final to realize to back gib.
Protection scope of the present invention includes but is not limited to embodiment of above, and protection scope of the present invention is with claims
Subject to, replacement, deformation, the improvement that those skilled in the art that any pair of this technology is made is readily apparent that each fall within of the invention
Protection scope.
Claims (10)
1. a kind of continous way for continuous milling machine temporarily protects ejection device, it is characterised in that: top (A) is protected including roller, it is described
Roller shield top (A) is fixed in the rack of continuous milling machine (6) by pillar construction (B)；
The roller shield top (A) includes frame body (A2), closure crawler belt ring (A3), the first idler wheel (A10), the second idler wheel (A1)
With elastic branch weight structure, first idler wheel (A10) and the second idler wheel (A1) are hinged with the both ends of the frame body (A2) respectively, institute
State closure crawler belt ring (A3) be set on first idler wheel (A10) and the second idler wheel (A1) and with first idler wheel (A10)
It rolls and connects with the second idler wheel (A1), be fixed with multiple guidance cylinders (A8), the guidance cylinder (A8) on the inside of the frame body (A2)
It is connect with the elastic branch weight structure, the elasticity branch weight structure and the closure crawler belt ring (A3) roll and connect；
The elasticity branch weight structure includes branch weight idler wheel (A6), forked frame (A5) and butterfly spring group (A7), the branch weight idler wheel
(A6) roll and connect with the closure crawler belt ring (A3), branch weight idler wheel (A6) with the forked frame (A5) hingedly, the fork
The lower part of shape frame (A5) is provided with position-limiting drum (A11), and the center of the position-limiting drum (A11) is provided with centered cylinder (A12),
The position-limiting drum (A11) of the forked frame (A5) is covered in the outside for guiding cylinder (A8) and forked frame (A5) and the butterfly spring
Group (A7) contact, the centered cylinder (A12) of the forked frame (A5) is inserted into the centre bore of the butterfly spring group (A7) and institute
It states butterfly spring group (A7) to be placed in the guidance cylinder (A8), closure crawler belt ring (A3) is the portion contacted with back
Part.
2. the continous way according to claim 1 for continuous milling machine temporarily protects ejection device, it is characterised in that: the closure is carried out
Band (A3) is hingedly formed by multiple crawler belts (A4), the crawler belt (A4) include creeper tread matrix (A13), hard rubber (A14) and
Chain rail (A16), the hard rubber (A14) are fixed on the creeper tread matrix (A13), the chain rail (A16) and the crawler belt
Plate matrix (A13) connects, hinged by chain rail (A16) between each crawler belt (A4).
3. the continous way according to claim 2 for continuous milling machine temporarily protects ejection device, it is characterised in that: the hard rubber
(A14) it is bonded on the creeper tread matrix (A13) by epoxy resin and hard rubber (A14) passes through soket head cap screw (A15)
It is fixed on the creeper tread matrix (A13).
4. the continous way according to claim 1 for continuous milling machine temporarily protects ejection device, it is characterised in that: the roller
Shield top (A) includes strainer (A9), and the strainer (A9) is for pushing first idler wheel (A10) to close to realize
Close the tensioning of crawler belt ring (A3).
5. the continous way according to claim 1 for continuous milling machine temporarily protects ejection device, it is characterised in that: the column knot
Structure (B) includes rectangular inner sleeve (B1), rectangular outer sleeve (B2) and height adjustment cylinders (B3), the rectangular outer sleeve (B2)
Bottom is bolted in the rack of continuous milling machine (6), and the rectangular inner sleeve (B1) is embedded in the rectangular outer sleeve
(B2) in, hingedly, the height is adjusted for the bottom of the cylinder body of the height adjustment cylinders (B3) and the rectangular outer sleeve (B2)
Hingedly, the rectangular inner sleeve (B1) and the frame body (A2) are cut with scissors for the piston rod of oil cylinder (B3) and the rectangular inner sleeve (B1)
It connects.
6. the continous way according to claim 5 for continuous milling machine temporarily protects ejection device, it is characterised in that: the height tune
Whole oil cylinder (B3) is two-way cylinder, and the oil inlet bypass of the rodless cavity of the height adjustment cylinders (B3) is connected with accumulator
(B6), two oil inlets of the height adjustment cylinders (B3) pass through hydraulic lock (B5) and are connected with reversal valve (B4), reversal valve
(B4) pressure gauge (B7) and overflow valve (B8) are provided between hydraulic lock (B5).
7. the continous way according to claim 1 for continuous milling machine temporarily protects ejection device, it is characterised in that: the roller
Shield top (A) is fixed in the rack of continuous milling machine (6) by multiple pillar constructions (B).
8. the continous way according to any one of claims 1 to 7 for continuous milling machine temporarily protects ejection device, it is characterised in that:
The roller shield top (A) is 2.
9. a kind of continuous milling machine, it is characterised in that: including as described in any one of claim 1 to 7 for the continuous of continuous milling machine (6)
Formula temporarily protects ejection device.
10. continuous milling machine according to claim 9, it is characterised in that: including cutting mechanism, the cutting mechanism is located at continuous
Formula temporarily protects the front end of ejection device.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811057310.1A CN108952707A (en) | 2018-09-11 | 2018-09-11 | Continous way for continuous milling machine temporarily protects ejection device and continuous milling machine |
| PCT/CN2018/112380 WO2020052013A1 (en) | 2018-09-11 | 2018-10-29 | Continuous temporary roof protection apparatus for continuous mining machine, and continuous mining machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811057310.1A CN108952707A (en) | 2018-09-11 | 2018-09-11 | Continous way for continuous milling machine temporarily protects ejection device and continuous milling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108952707A true CN108952707A (en) | 2018-12-07 |
Family
ID=64475270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811057310.1A Pending CN108952707A (en) | 2018-09-11 | 2018-09-11 | Continous way for continuous milling machine temporarily protects ejection device and continuous milling machine |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108952707A (en) |
| WO (1) | WO2020052013A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108222928A (en) * | 2018-01-19 | 2018-06-29 | 中国煤炭科工集团太原研究院有限公司 | Simultaneous drifting, the anchor driving machine for realizing pick anchor parallel operations |
| CN109681246A (en) * | 2018-12-26 | 2019-04-26 | 天地科技股份有限公司 | Laneway temporary support device |
| CN111456142A (en) * | 2020-03-04 | 2020-07-28 | 同济大学 | Intelligent deep foundation excavation system and process method thereof |
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| CN102410035A (en) * | 2011-11-25 | 2012-04-11 | 刘混举 | Advance support crawler-type hydraulic support for fully-mechanized mining face |
| CN203996521U (en) * | 2014-08-09 | 2014-12-10 | 河北工业大学 | A kind of passive self adaptation caterpillar belt structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108222928A (en) * | 2018-01-19 | 2018-06-29 | 中国煤炭科工集团太原研究院有限公司 | Simultaneous drifting, the anchor driving machine for realizing pick anchor parallel operations |
| CN109681246A (en) * | 2018-12-26 | 2019-04-26 | 天地科技股份有限公司 | Laneway temporary support device |
| CN111456142A (en) * | 2020-03-04 | 2020-07-28 | 同济大学 | Intelligent deep foundation excavation system and process method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020052013A1 (en) | 2020-03-19 |
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