CN107013210B - Highly automated adjustable coal mining machine supporting device - Google Patents
Highly automated adjustable coal mining machine supporting device Download PDFInfo
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- CN107013210B CN107013210B CN201710349964.0A CN201710349964A CN107013210B CN 107013210 B CN107013210 B CN 107013210B CN 201710349964 A CN201710349964 A CN 201710349964A CN 107013210 B CN107013210 B CN 107013210B
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- oil
- pipeline
- oil cylinder
- connecting plate
- hinged
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- 239000003245 coal Substances 0.000 title claims abstract description 37
- 238000005065 mining Methods 0.000 title claims abstract description 24
- 239000012530 fluid Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 230000013011 mating Effects 0.000 abstract description 7
- 239000000839 emulsion Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000009466 transformation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- 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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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Road Paving Machines (AREA)
Abstract
The present invention relates to a kind of highly automated adjustable coal mining machine supporting devices, it is symmetrically arranged on the left and the right by support piston shoes including two sets, connecting plate, the plane mechanism of single-rod piston rod oil cylinder and two-way hydraulic check valve composition, it is hinged often to cover support piston shoes and connecting plate one end in mechanism, the connecting plate other end is hinged with oil cylinder one end, two positions on tractive unit are respectively hinged in the middle part of the oil cylinder other end and connecting plate, each hinge axes are parallel, two oil outlets of hydraulic check valve are communicated with two chambers of oil cylinder respectively, oil inlet on two hydraulic check valves corresponding to rod chamber communicates and connects pressure oil circuit or oil return line, oil return line or pressure oil circuit are communicated and connected corresponding to the oil inlet of rodless cavity, pressure oil circuit and oil return line alternately switch.The present invention, which solves the problems, such as that coalcutter is operated in bow to adopt and face upward Cai Shiyin fuselages and tilt, causes running gear force-bearing situation poor, and the problem of frequently variation connecting plate causes cost to increase is needed when also solving mating different height scratch board conveyor.
Description
Technical field
The present invention relates to a kind of coal mining machine supporting device more particularly to a kind of height being arranged in coalcutter fuselage coal wall side
Can automatic adjustable coal mining machine supporting device, belong to coalcutter technical field.
Background technology
Existing coal mining machine supporting device, height are all nonadjustable, this there is both sides problem：First, mining
Guide slip shoe stress condition is poor in the case where facing upward the state of adopting and under the state of adopting of bowing for machine, and serious wear, damage is frequent, and coalcutter is caused to be easy
It slides down；Second is that coalcutter every time mating different scratch board conveyor when be required for changing the height of connecting plate, it is therefore desirable to set again
Meter makes wooden model and goes into operation, and cost is larger.
In view of this, there is an urgent need to design a kind of new coal mining machine supporting device, adopted with solving coalcutter bowing to adopt and face upward
When fuselage inclination cause the problem of running gear force-bearing situation difference and the mating different height scratch board conveyor of coalcutter to need frequently
The problem of cost increases caused by transformation connecting plate.
Invention content
The present invention is intended to provide a kind of highly automated adjustable coal mining machine supporting device, highly automated adjustable, therefore can disappear
Except the inclination of coalcutter fuselage leads to the problem of running gear force-bearing situation difference, when the mating different height scratch board conveyor of coalcutter
Without transformation connecting plate.
The main technical schemes of the present invention have：
A kind of highly automated adjustable coal mining machine supporting device, including support piston shoes, connecting plate, oil cylinder and hydraulic check valve, institute
It states support piston shoes and one end of the connecting plate is hinged, the other end of the connecting plate and one end of the oil cylinder are hinged, described
Two positions on the tractive unit of coalcutter, each hinged place are respectively hinged in the middle part of the other end of oil cylinder and the connecting plate
Hinge axes it is parallel, the oil cylinder is single-rod piston bar, and the hydraulic check valve is two-way hydraulic check valve, and two of the hydraulic check valve go out
Hydraulic fluid port is communicated with two chambers of the oil cylinder respectively.
The other end of the connecting plate and the cylinder barrel of the oil cylinder are hinged, cylinder rod overhanging end and the traction of the oil cylinder
Portion is hinged.
Whole hinged places preferably use hinging pin shaft.
The hydraulic check valve may be mounted on the oil cylinder.
The highly automated adjustable coal mining machine supporting device should be arranged in coalcutter fuselage coal wall side.
The support piston shoes, connecting plate, oil cylinder and hydraulic check valve can be arranged to two sets, and be symmetrically arranged, a set of
In the oil cylinder the other end and the connecting plate in the middle part of be hinged on left side tractive unit on, it is another set of in the oil
It is hinged in the middle part of the other end of cylinder and the connecting plate on the tractive unit on right side, phase is corresponded on the hydraulic check valve in left side
The oil inlet of the rod chamber and rodless cavity of answering oil cylinder is separately connected the first pipeline and third pipeline, right on the hydraulic check valve on right side
The second pipeline and the 4th pipeline should be separately connected in the rod chamber of corresponding oil cylinder and the oil inlet of rodless cavity, first pipeline and
Second pipeline communicates and connects pressure oil circuit or oil return line, and the third pipeline and the 4th pipeline communicate and connect oil return line or pressure
Power oil circuit, the pressure oil circuit and oil return line are alternately switched by different realize of inlet.
The highly automated adjustable coal mining machine supporting device is also provided with branching block, and the branching block sets that there are six logical
Liquid mouth, three communicate with other two fluid-through port through internal galleries for a fluid-through port in one group, every group, are formed independently of each other
Two groups of oil circuits, first pipeline and the second pipeline, the third pipeline and the 4th pipeline are each by the branching block
The realization of one group of oil circuit communicate and connected with the corresponding pressure oil circuit or oil return line.
The fluid-through port can be connected with respective line through plinth.
The beneficial effects of the invention are as follows：
The coal mining machine supporting device of real-time adjust automatically coal wall side can be passed through according to the heeling condition of coalcutter fuselage
Highly so that the improper inclination of coalcutter fuselage is timely and effectively corrected in real time, therefore can be inherently eliminated because adopting
The problem of running gear force-bearing situation difference caused by coal machine fuselage tilts.When coalcutter needs the scraper plate of mating different height to transport
When machine, since the height of coal wall side coal mining machine supporting device can automatically adjust in real time, total there are one height can adapt to
It will be used for the scratch board conveyor mating with coalcutter, therefore no longer need to adapt to this by replacing the connecting plate of another height
Kind correspondingly also saves on cost, eliminates the working hour for replacing connecting plate with changing on set.
Since the support device drives work using same set of hydraulic circuit about coal wall side, institute has been effectively ensured
The synchronization for stating support device height change makes coal wall side of coalcutter fuselage or so height adjust consistency more preferable.
Description of the drawings
Fig. 1 is the structural schematic diagram of one embodiment of the present of invention；
Fig. 2 is the schematic diagram of movements of the oil cylinder；
Fig. 3 is the fundamental diagram of the branching block.
Reference numeral：
1. supporting piston shoes；2. axis pin A；3. axis pin B；4. connecting plate；5. axis pin C；6. hydraulic check valve；7. oil cylinder；8. axis pin D；
9. connecting hydraulic lines；10. branching block；11. plinth.
Specific implementation mode
The invention discloses a kind of highly automated adjustable coal mining machine supporting devices (abbreviation support device), are arranged in coal mining
Machine fuselage coal wall side.As shown in Figs. 1-3, including support piston shoes 1, connecting plate 4, oil cylinder 7 and hydraulic check valve 6.The support piston shoes with
One end of the connecting plate is hinged, and the other end of the connecting plate and one end of the oil cylinder are hinged, the other end of the oil cylinder
And the middle part of the connecting plate is respectively hinged on coalcutter fuselage.The fuselage of coalcutter includes mainly left traction from left to right
Portion, electric cabinet, right tractive unit are the main bodys of coalcutter.The support device is preferably mounted at the coal wall side of the tractive unit of fuselage,
The other end of the i.e. described oil cylinder and the middle part of the connecting plate are respectively hinged on two positions on tractive unit, and the support is slided
Boots are supported on always at work on the ramp plate being positioned below.The hinge axes of each hinged place are parallel, the support piston shoes,
Connecting plate, oil cylinder and tractive unit form plane mechanism.The oil cylinder is single-rod piston bar, and the hydraulic check valve is two-way hydraulic check valve,
Two oil outlets of the hydraulic check valve are communicated with two chambers of the oil cylinder respectively.The hydraulic check valve can make oil cylinder stretch in a certain length
Degree, and lock.
The cylinder rod of the oil cylinder is freely stretched within the scope of preset strokes, promotes the connecting plate around it in the traction
Hinge joint in the portion small angle oscillation in both direction counterclockwise and clockwise, the correspondingly bottom of the support piston shoes to institute
It states connecting plate and the height (i.e. bearing height) of the hinged place of the tractive unit increases or reduces, to realize the bearing height
Automatic continuous adjusting.By taking coalcutter is bowed and adopted as an example, coalcutter fuselage is tilted to coal wall, and working face inclination angle is bigger, coalcutter machine
Body angle of inclination is bigger, and the pose stabilization of running gear force-bearing situation and fuselage just becomes worse.But if using institute
Support device is stated, the bearing height can be automatically adjusted at any time according to the variation of working face inclination angle, is also equivalent at any time certainly
The dynamic angle of inclination for having adjusted coalcutter fuselage, and by the hydraulic check valve, the support device is fixed on a certain ideal
In height, so as to which the angle of inclination of coalcutter fuselage is controlled in an ideal range in real time, therefore can
It is obviously improved the force-bearing situation of running gear, cutting resistance is reduced, and hauling speed can be improved, to improve working efficiency.By
The scratch board conveyor of different height can be adapted to automatically in bearing height, therefore no longer needs replacing the connecting plate of different height, because
This has saved cost again, eliminates the working hour for replacing connecting plate.
In implementing shown in Fig. 1, the other end of the connecting plate and the cylinder barrel of the oil cylinder are hinged, outside the cylinder rod of the oil cylinder
It is hinged with the tractive unit to stretch end.One end of the connecting plate supports the link position of piston shoes close to the support piston shoes with described
Top.To structure shown in Fig. 1, when the cylinder rod of the oil cylinder extends and retracts, the overall length difference of the oil cylinder is elongated and becomes
It is short, accordingly drive the relatively described connecting plate of the other end of the connecting plate and the hinged place of the tractive unit counterclockwise and clockwise
It swings, correspondingly the bearing height raises and reduces, and the adjustable range of the bearing height is mainly by controlling the oil cylinder
Stroke realize.It bows and increases the bearing height when adopting and can reduce the angle of inclination of fuselage, reducing the bearing height can be with
The angle of inclination for increasing fuselage, is faced upward opposite when adopting.
Whole hinged places are all made of hinging pin shaft.For example, one end of the support piston shoes and the connecting plate passes through axis pin
A2 is hinged, and the other end of the connecting plate and one end of the oil cylinder are hinged by axis pin C5, and the other end of the oil cylinder passes through
Axis pin D8 is hinged on tractive unit, and the middle part of the connecting plate is hinged on the another location on tractive unit by axis pin B3.It is described
Connecting plate can be rotated around axis pin B.
The hydraulic check valve may be mounted on the cylinder barrel of the oil cylinder.
In the embodiment shown in that figure, the support piston shoes, connecting plate, oil cylinder and hydraulic check valve have two sets, and symmetrical
Arrangement, it is a set of in the oil cylinder the other end and the connecting plate in the middle part of be hinged on left side tractive unit on, it is another set of
In the oil cylinder the other end and the connecting plate in the middle part of be hinged on right side tractive unit on, the hydraulic check valve in left side
It is upper to be separately connected the first pipeline and third pipeline corresponding to the rod chamber of corresponding oil cylinder and the oil inlet of rodless cavity, right side it is described
Oil inlet on hydraulic check valve corresponding to the rod chamber of corresponding oil cylinder and rodless cavity is separately connected the second pipeline and the 4th pipeline, described
First pipeline and the second pipeline communicate and connect pressure oil circuit or oil return line, and the third pipeline and the 4th pipeline are communicated and connected
Oil return line or pressure oil circuit, the pressure oil circuit and oil return line alternately switch.First pipeline, the second pipeline, the third
Pipeline and the 4th pipeline can be collectively referred to as connecting hydraulic lines 9.Since first pipeline and the second pipeline communicate, the third
Pipeline and the 4th pipeline communicate, and two sets of oil cylinders work under the driving of same hydraulic circuit, and coal wall side or so two has been effectively ensured
Locate the synchronization of the support device height change.
The highly automated adjustable coal mining machine supporting device is also provided with branching block 10, there are six the branching block is set
Fluid-through port, three communicate with other two fluid-through port through internal galleries for a fluid-through port in one group, every group, are formed mutual only
Two groups of vertical oil circuits, are equivalent to and form two threeways.First pipeline and the second pipeline, the third pipeline and the 4th pipe
Road communicates each by one group of oil circuit realization on the branching block and is connected with the corresponding pressure oil circuit or oil return line.
The fluid-through port can be connected with respective line through plinth 11.
The operation principle of the present embodiment is：
Emulsion enters branching block by the plinth 11 in left side, is 1. managed with second subsequently into the first pipeline in Fig. 2
2., emulsion is first turned on hydraulic check valve 6 on road, the first pipeline 1., the second pipeline 2. with third pipeline 3., 4. the 4th pipeline beats simultaneously
It opens, is also the pressure oil circuit wherein being 2. 1. inlet pipe, be 4. 3. liquid back pipe road, be also the oil return line.Emulsion is logical
1. 2. small chamber that pipeline enters two oil cylinders of left and right is crossed, and 3. 4. liquid is returned from the big chamber of two oil cylinders of left and right by pipeline, realizes left and right
The contraction of the cylinder rod of two oil cylinders realizes that left and right support device height reduces, and after being reduced to ideal position, stops feed liquor, hydraulic check valve
1. 2. 3. 4. pipeline is locked simultaneously with pipeline, to realize that left and right support device height is fixed on a certain ideal position.
When emulsion enters branching block by the plinth 11 on right side, due to the switching of fluid-through port, 1. 2. become oil return
3. 4. road becomes pressure oil circuit, bearing height accordingly becomes larger, and principle is similar, repeats no more.
The present invention can fundamentally solve coalcutter bow adopt and face upward adopt when fuselage inclination lead to running gear force-bearing situation
The mating different height scratch board conveyor of problem and coalcutter of difference needs the problem of frequently variation connecting plate, cost increase.
It is generally more convenient using the emulsion liquid-feed of hydraulic support at coal mine work area scene, it is contemplated that in above-mentioned hydraulic pressure
Emulsion is used in connecting line.
Claims (7)
1. a kind of highly automated adjustable coal mining machine supporting device, it is characterised in that：It is arranged in coalcutter fuselage coal wall side, packet
Support piston shoes, connecting plate, oil cylinder and hydraulic check valve are included, one end of the support piston shoes and the connecting plate is hinged, the connecting plate
The other end and the oil cylinder one end it is hinged, be respectively hinged at and adopt in the middle part of the other end of the oil cylinder and the connecting plate
Two positions on the tractive unit of coal machine, the hinge axes of each hinged place are parallel, and the oil cylinder is single-rod piston bar, the fluid power
Lock is two-way hydraulic check valve, and two oil outlets of the hydraulic check valve are communicated with two chambers of the oil cylinder respectively.
2. highly automated adjustable coal mining machine supporting device as described in claim 1, it is characterised in that：The connecting plate it is another
One end and the cylinder barrel of the oil cylinder are hinged, and the cylinder rod overhanging end and the tractive unit of the oil cylinder are hinged.
3. highly automated adjustable coal mining machine supporting device as claimed in claim 2, it is characterised in that：It adopts whole hinged places
Use hinging pin shaft.
4. highly automated adjustable coal mining machine supporting device as claimed in claim 3, it is characterised in that：The hydraulic check valve installation
On the oil cylinder.
5. the highly automated adjustable coal mining machine supporting device as described in claim 1,2,3 or 4, it is characterised in that：The branch
Support piston shoes, connecting plate, oil cylinder and hydraulic check valve have two sets, and are symmetrically arranged, it is a set of in the oil cylinder the other end with
And be hinged in the middle part of the connecting plate left side tractive unit on, it is another set of in the oil cylinder the other end and the connection
It is hinged in the middle part of plate on the tractive unit on right side, the rod chamber and rodless cavity of corresponding oil cylinder is corresponded on the hydraulic check valve in left side
Oil inlet be separately connected the first pipeline and third pipeline, correspond on the hydraulic check valve on right side corresponding oil cylinder rod chamber and
The oil inlet of rodless cavity is separately connected the second pipeline and the 4th pipeline, and first pipeline and the second pipeline communicate and connect pressure
Oil circuit or oil return line, the third pipeline and the 4th pipeline communicate and connect oil return line or pressure oil circuit, the pressure oil circuit and
Oil return line is alternately switched by different realize of inlet.
6. highly automated adjustable coal mining machine supporting device as claimed in claim 5, it is characterised in that：Branching block is additionally provided with,
The branching block is set there are six fluid-through port, three be a fluid-through port in one group, every group with other two fluid-through port through inside
Oil duct communicates, and forms mutually independent two groups of oil circuits, first pipeline and the second pipeline, the third pipeline and the 4th pipeline
It communicates each by one group of oil circuit realization on the branching block and is connected with the corresponding pressure oil circuit or oil return line.
7. highly automated adjustable coal mining machine supporting device as claimed in claim 6, it is characterised in that：The fluid-through port and phase
Pipeline is answered to be connected through plinth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710349964.0A CN107013210B (en) | 2017-05-18 | 2017-05-18 | Highly automated adjustable coal mining machine supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710349964.0A CN107013210B (en) | 2017-05-18 | 2017-05-18 | Highly automated adjustable coal mining machine supporting device |
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| Publication Number | Publication Date |
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| CN107013210A CN107013210A (en) | 2017-08-04 |
| CN107013210B true CN107013210B (en) | 2018-10-16 |
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| CN201710349964.0A Active CN107013210B (en) | 2017-05-18 | 2017-05-18 | Highly automated adjustable coal mining machine supporting device |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111350925A (en) * | 2020-04-18 | 2020-06-30 | 天地科技股份有限公司上海分公司 | Height-adjustable coal mining machine supporting mechanism and coal mining machine supporting height adjusting method |
| CN113775291B (en) * | 2021-08-27 | 2023-08-04 | 中国煤炭科工集团太原研究院有限公司 | Anchor box drilling box switching assembly and jumbolter |
| CN113944463B (en) * | 2021-10-14 | 2024-02-27 | 西安煤矿机械有限公司 | Auxiliary supporting device of coal mining machine and using method thereof |
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| CN103742141A (en) * | 2013-12-27 | 2014-04-23 | 三一重型装备有限公司 | Support part damping device and coal mining machine |
| WO2014181224A1 (en) * | 2013-05-06 | 2014-11-13 | Kopex Machinery Spółka Akcyjna | Guide skid shoe of a thin seam mining machine |
| CN204729094U (en) * | 2015-06-12 | 2015-10-28 | 三一重型装备有限公司 | A kind of coal-winning machine and bracing or strutting arrangement thereof |
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|---|---|---|---|---|
| GB2227768A (en) * | 1988-12-16 | 1990-08-08 | Winster Group | Cutting machine |
| CN101881165B (en) * | 2010-06-29 | 2012-05-23 | 太原矿山机器集团有限公司 | Coal-mining machine hydraulic system |
| CN102011586A (en) * | 2010-12-27 | 2011-04-13 | 三一重型装备有限公司 | Integrated coal mining facility and coal mining machine thereof |
| CN102748023A (en) * | 2012-07-03 | 2012-10-24 | 三一重型装备有限公司 | Supporting device for coal cutter and coal cutter |
| CN203499686U (en) * | 2013-09-29 | 2014-03-26 | 江苏中机矿山设备有限公司 | Supporting assembly of coal mining machine |
| CN206942758U (en) * | 2017-05-18 | 2018-01-30 | 天地科技股份有限公司上海分公司 | Highly automated adjustable coal mining machine supporting device |
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2017
- 2017-05-18 CN CN201710349964.0A patent/CN107013210B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014181224A1 (en) * | 2013-05-06 | 2014-11-13 | Kopex Machinery Spółka Akcyjna | Guide skid shoe of a thin seam mining machine |
| CN103742141A (en) * | 2013-12-27 | 2014-04-23 | 三一重型装备有限公司 | Support part damping device and coal mining machine |
| CN204729094U (en) * | 2015-06-12 | 2015-10-28 | 三一重型装备有限公司 | A kind of coal-winning machine and bracing or strutting arrangement thereof |
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| CN107013210A (en) | 2017-08-04 |
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