CN206942758U - Highly automated adjustable coal mining machine supporting device - Google Patents
Highly automated adjustable coal mining machine supporting device Download PDFInfo
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- CN206942758U CN206942758U CN201720549780.4U CN201720549780U CN206942758U CN 206942758 U CN206942758 U CN 206942758U CN 201720549780 U CN201720549780 U CN 201720549780U CN 206942758 U CN206942758 U CN 206942758U
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Abstract
It the utility model is related to a kind of highly automated adjustable coal mining machine supporting device, including two sets be symmetrically arranged by support piston shoes, connecting plate, the plane mechanism of single-rod piston rod oil cylinder and two-way hydraulic check valve composition, support piston shoes in mechanism are often covered to be hinged with connecting plate one end, the connecting plate other end is hinged with oil cylinder one end, two positions being respectively hinged in the middle part of the oil cylinder other end and connecting plate on tractive unit, each hinge axes are parallel, two oil-outs of hydraulic check valve communicate 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, communicated corresponding to the oil inlet of rodless cavity and connect oil return line or pressure oil circuit, pressure oil circuit and oil return line alternately switch.The utility model, which solves coal-winning machine and is operated in bow, to be adopted and faces upward Cai Shiyin fuselages and tilt the problem for causing running gear force-bearing situation difference, and frequently change connecting plate the problem of causing cost increase is needed when also solving supporting different height scratch board conveyor.
Description
Technical field
A kind of coal mining machine supporting device is the utility model is related to, more particularly to a kind of coal-winning machine fuselage rib side of being arranged in
Height can automatic adjustable coal mining machine supporting device, belong to coal-winning machine technical field.
Background technology
Existing coal mining machine supporting device, its height are all nonadjustable, and this there is both sides problem：First, mine
Machine is guide slip shoe stress condition is poor under facing upward the state of adopting and under the state of adopting of bowing, and serious wear, damage is frequent, causes coal-winning machine easy
Slide down；Second, coal-winning machine every time supporting different scratch board conveyors when be required for change connecting plate height, it is therefore desirable to set again
Meter, make wooden model and go into operation, 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 coal-winning machine bowing to adopt and face upward
When fuselage tilt cause running gear force-bearing situation difference problem and supporting different height scratch board conveyor needs of coal-winning machine frequently
Caused by conversion connecting plate the problem of cost increase.
The content of the invention
The utility model aims to provide a kind of highly automated adjustable coal mining machine supporting device, highly automated adjustable, therefore
The problem of inclination of coal-winning machine fuselage causes running gear force-bearing situation difference can be eliminated, when the supporting different height scraper plate transport of coal-winning machine
Without conversion connecting plate during machine.
Main technical schemes of the present utility model 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
The one end for stating support piston shoes and the connecting plate is hinged, and one end of the other end of the connecting plate and the oil cylinder is hinged, described
Two positions being respectively hinged in the middle part of the other end of oil cylinder and the connecting plate on the tractive unit of coal-winning machine, each hinged place
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 communicates with two chambers of the oil cylinder respectively.
The cylinder barrel of the other end of the connecting plate and the oil cylinder is 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 coal-winning machine fuselage rib side.
Support piston shoes, connecting plate, oil cylinder and the 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
Answer the rod chamber of oil cylinder and the oil inlet of rodless cavity connects the first pipeline and the 3rd pipeline respectively, it is right on the hydraulic check valve on right side
The second pipeline and the 4th pipeline should be connected respectively 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 3rd 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 is provided with six and led to
Liquid mouth, three communicate for a fluid-through port in one group, every group with two other fluid-through port through internal galleries, are formed separate
Two groups of oil circuits, first pipeline and the second pipeline, the 3rd pipeline and the 4th pipeline are each via on the branching block
One group of oil circuit realize and 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 utility model are：
The coal mining machine supporting device of real-time adjust automatically rib side can be passed through according to the heeling condition of coal-winning machine fuselage
Highly so that the improper inclination of coal-winning machine fuselage is timely and effectively corrected in real time, therefore can be inherently eliminated because adopting
Caused by coal machine fuselage tilts the problem of running gear force-bearing situation difference.When coal-winning machine needs the scraper plate transport of supporting different height
During machine, because the height of rib side coal mining machine supporting device can automatically adjust in real time, therefore always there is a height can adapt to
The scratch board conveyor supporting with coal-winning machine will be used for, therefore no longer need to adapt to this by changing the connecting plate of another height
Kind correspondingly also saves on cost, eliminates the man-hour for changing connecting plate with the change put.
Because using the driving work of same set of hydraulic circuit, institute has been effectively ensured in the support meanss about rib side
The synchronization of support meanss height change is stated, makes rib side of coal-winning machine fuselage or so height regulation uniformity more preferable.
Brief description of the drawings
Fig. 1 is the structural representation of one embodiment of the present utility model；
Fig. 2 is the schematic diagram of movements of the oil cylinder；
Fig. 3 is the fundamental diagram of the branching block.
Reference：
1. support piston shoes；2. bearing pin A；3. bearing pin B；4. connecting plate；5. bearing pin C；6. hydraulic check valve；7. oil cylinder；8. bearing pin D；
9. connecting hydraulic lines；10. branching block；11. plinth.
Embodiment
The utility model discloses a kind of highly automated adjustable coal mining machine supporting device (abbreviation support meanss), it is arranged in
Coal-winning machine fuselage rib side.As Figure 1-3, including support piston shoes 1, connecting plate 4, oil cylinder 7 and hydraulic check valve 6.The support is slided
One end of boots and the connecting plate is hinged, and one end of the other end of the connecting plate and the oil cylinder is hinged, the oil cylinder it is another
One end and the middle part of the connecting plate are each hinged on coal-winning machine fuselage.The fuselage of coal-winning machine mainly includes a left side from left to right
Tractive unit, electric cabinet, right tractive unit, it is the main body of coal-winning machine.The support meanss are preferably mounted at the coal of the tractive unit of fuselage
Wall side, i.e., the other end of described oil cylinder and the middle part of the connecting plate are each hinged on two positions on tractive unit, described
Support piston shoes are supported on the ramp plate being positioned below all the time at work.The hinge axes of each hinged place are parallel, the branch
Support piston shoes, connecting plate, oil cylinder and tractive unit composition plane mechanism.The oil cylinder is single-rod piston bar, and the hydraulic check valve is two-way
Hydraulic check valve, two oil-outs of the hydraulic check valve communicate with two chambers of the oil cylinder respectively.The hydraulic check valve can make oil cylinder stretch
In a certain length, and it is locked.
The cylinder rod of the oil cylinder is freely stretched in the range of preset strokes, promotes the connecting plate around it in the traction
Pin joint in the portion small angle oscillation in both direction counterclockwise and clockwise, the correspondingly bottom of the support piston shoes to institute
State height (i.e. bearing height) increase of connecting plate and the hinged place of the tractive unit or reduce, so as to realize the bearing height
Automatic continuous regulation.So that coal-winning machine is bowed and adopted as an example, coal-winning machine fuselage tilts to rib, and working face inclination angle is bigger, coal-winning machine 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 meanss are stated, the bearing height can be automatically adjusted at any time according to the change at working face inclination angle, are also equivalent at any time certainly
The dynamic angle of inclination that have adjusted coal-winning machine fuselage, and by the hydraulic check valve, the support meanss are fixed on a certain preferable
In height, so as to which the angle of inclination of coal-winning machine fuselage is controlled in an ideal scope in real time, therefore can
The force-bearing situation of running gear is obviously improved, reduces cutting resistance, and can improves hauling speed, so as to improve operating efficiency.By
The scratch board conveyor of different height can be adapted to automatically in bearing height, therefore no longer needs to change the connecting plate of different height, because
This has saved cost again, eliminates the man-hour for changing connecting plate.
In implementing shown in Fig. 1, the cylinder barrel of the other end of the connecting plate and the oil cylinder is hinged, outside the cylinder rod of the oil cylinder
End is stretched to be hinged with the tractive unit.One end of the connecting plate is with the link position for supporting piston shoes close to the support piston shoes
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 hinged place of the relatively described connecting plate of the other end and the tractive unit of the connecting plate counterclockwise and clockwise
Swing, correspondingly the bearing height rise and reduction, the adjustable range of the bearing height is mainly by controlling the oil cylinder
Stroke realize.Bow and increase the bearing height when adopting and can reduce the angle of inclination of fuselage, reducing the bearing height can be with
Increase the angle of inclination of fuselage, face upward opposite when adopting.
Whole hinged places use hinging pin shaft.For example, one end of the support piston shoes and the connecting plate passes through bearing pin
A2 is hinged, and one end of the other end of the connecting plate and the oil cylinder is hinged by bearing pin C5, and the other end of the oil cylinder passes through
Bearing 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 bearing pin B3.It is described
Connecting plate can rotate around bearing pin B.
The hydraulic check valve may be mounted on the cylinder barrel of the oil cylinder.
In accompanying drawing illustrated embodiment, support piston shoes, connecting plate, oil cylinder and the 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 connect the first pipeline and the 3rd pipeline respectively corresponding to the rod chamber of corresponding oil cylinder and the oil inlet of rodless cavity, right side it is described
The second pipeline and the 4th pipeline are connected respectively corresponding to the rod chamber of corresponding oil cylinder and the oil inlet of rodless cavity on hydraulic check valve, it is described
First pipeline and the second pipeline are communicated and connect pressure oil circuit or oil return line, and the 3rd 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 described 3rd
Pipeline and the 4th pipeline can be collectively referred to as connecting hydraulic lines 9.Because first pipeline and the second pipeline communicate, the described 3rd
Pipeline and the 4th pipeline communicate, and two sets of oil cylinders work under the driving of same hydraulic circuit, and rib side or so two has been effectively ensured
Locate the synchronization of the support meanss height change.
The highly automated adjustable coal mining machine supporting device is also provided with branching block 10, and the branching block is provided with six
Fluid-through port, three communicate for a fluid-through port in one group, every group with two other fluid-through port through internal galleries, are formed mutually only
Two groups of vertical oil circuits, equivalent to foring two threeways.First pipeline and the second pipeline, the 3rd pipeline and the 4th pipe
Road is realized each via one group of oil circuit on the branching block to be communicated 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 subsequently into the first pipeline in Fig. 2 with second
2., emulsion is first turned on hydraulic check valve 6 on road, the first pipeline 1., the second pipeline 2. with the 3rd pipeline 3., 4. the 4th pipeline beats simultaneously
Open, be also the pressure oil circuit wherein being 1. 2. water influent pipeline, be 4. 3. liquid back pipe road, be also the oil return line.Emulsion leads to
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 the oil cylinder of left and right two by pipeline, realizes left and right
The contraction of the cylinder rod of two oil cylinders, left and right support meanss height reduction is realized, after being reduced to ideal position, stop feed liquor, hydraulic check valve
Pipeline is 1. 2. 3. 4. simultaneously locked with pipeline, so as to realize that left and right support meanss are highly 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
Road, 3. 4. become pressure oil circuit, bearing height mutually strains greatly, and principle is similar, repeats no more.
The utility model can fundamentally solve coal-winning machine bow adopt and face upward adopt when fuselage tilt cause running gear stress
The problem of problem and the supporting different height scratch board conveyor of coal-winning machine of situation difference need frequently change connecting plate, cost increase.
It is more convenient typically 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)
- A kind of 1. highly automated adjustable coal mining machine supporting device, it is characterised in that：Including support piston shoes, connecting plate, oil cylinder and Hydraulic check valve, one end of the support piston shoes and the connecting plate are hinged, one end of the other end of the connecting plate and the oil cylinder It is be hinged, two positions being respectively hinged in the middle part of the other end of the oil cylinder and the connecting plate on the tractive unit of coal-winning machine Put, the hinge axes of each hinged place are parallel, and the oil cylinder is single-rod piston bar, and the hydraulic check valve is two-way hydraulic check valve, the liquid Two oil-outs of power lock communicate with two chambers of the oil cylinder respectively.
- 2. highly automated adjustable coal mining machine supporting device as claimed 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 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：Adopt 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 connect the first pipeline and the 3rd pipeline respectively, correspond on the hydraulic check valve on right side corresponding oil cylinder rod chamber and The oil inlet of rodless cavity connects the second pipeline and the 4th pipeline respectively, and first pipeline and the second pipeline communicate and connect pressure Oil circuit or oil return line, the 3rd 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：It is additionally provided with branching block, The branching block is provided with six fluid-through ports, and three for a fluid-through port in one group, every group with two other fluid-through port through inside Oil duct communicates, and forms two groups of separate oil circuits, first pipeline and the second pipeline, the 3rd pipeline and the 4th pipeline Realized each via one group of oil circuit on the branching block and communicate and 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 |
|---|---|---|---|
| CN201720549780.4U CN206942758U (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 |
|---|---|---|---|
| CN201720549780.4U CN206942758U (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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| CN206942758U true CN206942758U (en) | 2018-01-30 |
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| CN201720549780.4U Active CN206942758U (en) | 2017-05-18 | 2017-05-18 | Highly automated adjustable coal mining machine supporting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107013210A (en) * | 2017-05-18 | 2017-08-04 | 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 CN201720549780.4U patent/CN206942758U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107013210A (en) * | 2017-05-18 | 2017-08-04 | 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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