CN108286539A - A kind of coal mining machine hydraulic equipment and coal-mining machine hydraulic system - Google Patents
A kind of coal mining machine hydraulic equipment and coal-mining machine hydraulic system Download PDFInfo
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- CN108286539A CN108286539A CN201810345128.XA CN201810345128A CN108286539A CN 108286539 A CN108286539 A CN 108286539A CN 201810345128 A CN201810345128 A CN 201810345128A CN 108286539 A CN108286539 A CN 108286539A
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- 238000005065 mining Methods 0.000 title claims abstract description 44
- 239000003245 coal Substances 0.000 title claims abstract description 40
- 239000003921 oil Substances 0.000 claims abstract description 176
- 239000007788 liquid Substances 0.000 claims abstract description 156
- 239000002828 fuel tank Substances 0.000 claims abstract description 36
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 34
- 239000003292 glue Substances 0.000 claims 1
- 230000008859 change Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 206010044565 Tremor Diseases 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Abstract
A kind of coal mining machine hydraulic equipment of present invention offer and coal-mining machine hydraulic system, it is related to hydraulic-driven technical field, including rack, hydraulic oil pump, fuel tank, control valve group, first pressure oil outlet tube and second pressure oil outlet tube, one end of hydraulic oil pump is provided with the first liquid outlet and the second liquid outlet, the first liquid inlet and the second liquid inlet are provided in control valve group, one end of first pressure oil outlet tube is connected to the first liquid outlet, the other end is connected to the first liquid inlet, and the opening direction of the first liquid outlet is mutually perpendicular to the first liquid inlet；One end of second pressure oil outlet tube is connected to the second liquid outlet, and the other end is connected to the second liquid inlet, and the opening direction of the second liquid outlet is opposite with the second liquid inlet and is mutually parallel.Compared to the prior art, a kind of coal mining machine hydraulic equipment provided by the invention, it is simple in structure, convenient for disassembly and assembly, while the connection angle of hydralic hose can be reduced, solve the problems, such as that hydralic hose is flimsy.
Description
Technical field
The present invention relates to hydraulic-driven technical fields, in particular to a kind of coal mining machine hydraulic equipment and coalcutter
Hydraulic system.
Background technology
When being mined in tunnel, coalcutter usually provides power by hydraulic system, and hydraulic system usually passes through
Hydraulic pump and fuel tank are constituted, and control valve group is provided on fuel tank to control the movement of hydraulic pump.
In the prior art, the hydralic hose of hydraulic pump usually requires to connect with control valve group by big corner,
During work, crawl only very of short duration adjusts when most of work is turned up because of coalcutter, and high pressure oil once outlet because turning round, institute
With high-pressure liquid tube herein also in the jitter for stopping liquid, frequency and number as variation occurs always for workload, and easily cause
The seal of tube at valve port, the damage of U-tube clamp be this damage at two of reduction using unit, usually connect the connection of this two pipes
Head, U-shaped pipe card stroma are replaced with the stainless steel material of high quality and the sealing ring of high quality, but still can not change flimsy existing
Shape.
Meanwhile existing hydraulic system structure is complicated, dismounting is difficult, appears in the positions such as these HYDRAULIC CONTROL SYSTEM valves hair
After raw oil leak, production class personnel are just disinclined to replace, and usually wait oil leakages that must be emptied and cannot work, are just forced to replace, this just spreads out again
Given birth to replacement to refuel not clean problem, fragile high-pressure oil pump, not only increase the labor intensity of worker, increased oil loss,
Increased coal mining material cost reduces Homes Using TV, reduces production efficiency.
In view of this, designing and manufacturing a kind of simple in structure, convenient for disassembly and assembly, while the joint angle of hydralic hose can be reduced
Degree, solves the problems, such as that the flimsy coal mining machine hydraulic equipment of hydralic hose is just particularly important.
Invention content
It is simple in structure, convenient for disassembly and assembly the purpose of the present invention is to provide a kind of coal mining machine hydraulic equipment, while can reduce
The connection angle of hydralic hose, solves the problems, such as that hydralic hose is flimsy.
It is convenient for disassembly and assembly another object of the present invention is to provide a kind of coal-mining machine hydraulic system, hydralic hose can be solved
Flimsy problem.
The present invention is realized using technical solution below.
A kind of coal mining machine hydraulic equipment, including rack, hydraulic oil pump, fuel tank, control valve group, first pressure oil outlet tube with
And second pressure oil outlet tube, hydraulic oil pump and fuel tank are removably attachable to rack, control valve group is connected to fuel tank, liquid
One end of pressure oil pump is provided with the first liquid outlet and the second liquid outlet, and opening direction identical first is provided in control valve group and is entered
Liquid mouth and the second liquid inlet, one end of first pressure oil outlet tube are connected to the first liquid outlet, first pressure oil outlet tube it is another
One end is connected to the first liquid inlet, and the opening direction of the first liquid outlet and the opening direction of the first liquid inlet are mutually perpendicular to；The
One end of two pressure oil outlet tubes is connected to the second liquid outlet, and the other end of second pressure oil outlet tube is connected to second and enters liquid
Mouthful, and the opening direction of the second liquid outlet is opposite with the opening direction of the second liquid inlet and is mutually parallel.
In use, the high pressure oil being discharged in first pressure oil outlet tube drains into first by the first liquid outlet and enters liquid
Mouthful, the opening direction of the first liquid outlet and the first liquid inlet is vertical, therefore the deflection angle that principal pressure oil goes out play pipe is 90 degree, is compared
In the deflection angle of original 180 degree, high pressure oil is not needed out to turn round once from the first liquid outlet, will not be formed at valve port
Shake avoids because shake damages valve port, improves the service life of first pressure oil outlet tube.In second pressure oil outlet tube
The high pressure oil of discharge drains into the second liquid inlet by the second liquid outlet, the opening direction of the second liquid outlet and the second liquid inlet on the contrary,
Second pressure oil outlet tube is enable to connect the second liquid outlet and the second liquid inlet with rectilinear direction, compared to original 90 degree
Deflection angle, high pressure oil is not needed out to turn round once from the second liquid outlet, and shake will not be formed at valve port, avoid because
Shake damage valve port, improves the service life of second pressure oil outlet tube.
Further, hydraulic oil pump includes the pump housing and oil connection seat, oil connection seat be fixedly connected on the pump housing and with control
Valve group processed is oppositely arranged, and the first liquid outlet and the second liquid outlet are arranged at the side that oil connection seats against nearly control valve group, oil
Pipe joint seat is connect by first pressure oil outlet tube and second pressure oil outlet tube with control valve group.
Further, first pressure oil outlet tube and second pressure oil outlet tube are flexible rubber hose.
Further, first pressure oil outlet tube is provided at both ends with the first U-shaped card, and first pressure oil outlet tube passes through
First U-shaped card is connect with hydraulic oil pump and control valve group respectively；Second pressure oil outlet tube is provided at both ends with the second U-shaped card
Son, second pressure oil outlet tube are connect with hydraulic oil pump and control valve group respectively by the second U-shaped card.
Further, coal mining machine hydraulic equipment further includes multiple lifting oil pipes, and multiple liftings are additionally provided in control valve group
Connector, multiple lifting oil pipes are connected to multiple lifting connectors correspondingly, and each opening direction for lifting connector is equal
It is identical as the opening direction of the second liquid inlet.
Further, more lifting oil pipes are flexible rubber hose.
Further, control valve group includes valve group ontology and manipulator's handle, and valve group ontology has multiple behaviour being set up in parallel
Make valve head, manipulator with valve group ontology connecting, for controlling multiple foldings for operating valve heads.
Further, operating handle is bolted with valve group ontology.
Further, it is provided with oil temperature analyzer and oil level analyzer on fuel tank, oiling valve port is additionally provided on fuel tank, oil
Warm analyzer and oil level analyzer are arranged at one side edge of the fuel tank far from hydraulic oil pump and close to oiling valve port settings.
A kind of coal-mining machine hydraulic system, including coal mining machine actuating device, lifting gear and coal mining machine hydraulic equipment, coalcutter
Hydraulic device includes rack, hydraulic oil pump, fuel tank, control valve group, first pressure oil outlet tube and second pressure oil outlet tube,
Hydraulic oil pump and fuel tank are removably attachable to rack, and control valve group is connected to fuel tank, and one end of hydraulic oil pump is provided with
First liquid outlet and the second liquid outlet are provided with identical first liquid inlet of opening direction and the second liquid inlet in control valve group,
One end of first pressure oil outlet tube is connected to the first liquid outlet, and the other end of first pressure oil outlet tube is connected to first and enters liquid
Mouthful, and the opening direction of the first liquid outlet and the opening direction of the first liquid inlet are mutually perpendicular to；The one of second pressure oil outlet tube
End is connected to the second liquid outlet, the other end of second pressure oil outlet tube is connected to the second liquid inlet, and the second liquid outlet is opened
Mouth direction is opposite with the opening direction of the second liquid inlet and is mutually parallel.Coal mining machine actuating device is sequentially connected with hydraulic oil pump,
Lifting gear is connect with control valve group.
The invention has the advantages that：
A kind of coal mining machine hydraulic equipment provided by the invention, hydraulic oil pump and fuel tank are removably attachable to rack,
Control valve group is connected to fuel tank, and one end of hydraulic oil pump is provided with the first liquid outlet and the second liquid outlet, is arranged in control valve group
There are identical first liquid inlet of opening direction and the second liquid inlet, one end of first pressure oil outlet tube to be connected to first and go out liquid
Mouthful, the other end of first pressure oil outlet tube is connected to the first liquid inlet, and the opening direction of the first liquid outlet and first enters liquid
The opening direction of mouth is mutually perpendicular to；One end of second pressure oil outlet tube is connected to the second liquid outlet, second pressure oil outlet tube
The other end be connected to the second liquid inlet, and the opening direction of the second liquid outlet is opposite with the opening direction of the second liquid inlet and phase
It is mutually parallel.In use, the high pressure oil being discharged in first pressure oil outlet tube drains into the first liquid inlet by the first liquid outlet,
The opening direction of first liquid outlet and the first liquid inlet is vertical, therefore the deflection angle that principal pressure oil goes out play pipe is 90 degree, compared to
The deflection angle of original 180 degree, high pressure oil is not needed out to turn round once from the first liquid outlet, will not be formed and be trembled at valve port
It is dynamic, it avoids because shake damages valve port, improves the service life of first pressure oil outlet tube.It is arranged in second pressure oil outlet tube
The high pressure oil gone out drains into the second liquid inlet by the second liquid outlet, and the opening direction of the second liquid outlet and the second liquid inlet is on the contrary, make
The second liquid outlet and the second liquid inlet can be connected with rectilinear direction by obtaining second pressure oil outlet tube, compared to original 90 degree
Deflection angle, high pressure oil is not needed out to turn round once from the second liquid outlet, will not form shake at valve port, avoid because trembling
Dynamic damage valve port, improves the service life of second pressure oil outlet tube.Compared to the prior art, one kind provided by the invention is adopted
Coal machine hydraulic equipment, it is simple in structure, convenient for disassembly and assembly, while the connection angle of hydralic hose can be reduced, it is easy to solve hydralic hose
The problem of damage, improves the service life of hydralic hose.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural schematic diagram at the first visual angle of coal mining machine hydraulic equipment that first embodiment of the invention provides；
Fig. 2 is the structural schematic diagram at the second visual angle of coal mining machine hydraulic equipment that first embodiment of the invention provides；
Fig. 3 is the structural schematic diagram of control valve group in Fig. 1；
Fig. 4 is the partial view of fuel tank in Fig. 1.
Icon：100- coal mining machine hydraulic equipments；110- racks；130- hydraulic oil pumps；The 131- pump housings；133- oil connections
Seat；The first U-shaped cards of 135-；The second U-shaped cards of 137-；150- fuel tanks；151- oil temperature analyzers；153- oil level analyzers；
155- oiling valve ports；160- control valve groups；161- valve group ontologies；163- manipulator's handles；170- first pressure oil outlet tubes；180-
Second pressure oil outlet tube；190- lifts oil pipe.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, below the detailed description of the embodiment of the present invention to providing in the accompanying drawings be not intended to limit it is claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiments of the present invention, this field is common
The every other embodiment that technical staff is obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the description of the present invention, it should be noted that term "center", "upper", "vertical", "horizontal", "inner", "outside"
The orientation or positional relationship of equal instructions is to be based on the orientation or positional relationship shown in the drawings or when invention product uses is used
The orientation or positional relationship often put, is merely for convenience of description of the present invention and simplification of the description, rather than indicates or imply and is signified
Device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as to the present invention
Limitation.In addition, term " first ", " second " etc. are only used for distinguishing description, it is not understood to indicate or imply relatively important
Property.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" connected ", " installation ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, can also be electrical connection；It can be directly connected, it can also be indirect by intermediary
It is connected, can is the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
As made in the background art, when most of work is turned up because of coalcutter during hydralic hose work in the prior art
Only very of short duration crawl adjustment, high pressure oil once outlet because turning round, so high-pressure liquid tube also stops the jitter of liquid in confession herein,
With workload variation occurs always for frequency and number, and easily causes the seal of tube at valve port, the damage of U-tube clamp, uses list
The jointing of this two pipes, U-shaped pipe card stroma are usually replaced with the stainless steel of high quality by position to reduce this damage at two
The sealing ring of material and high quality, but still can not change flimsy present situation.
A kind of coal mining machine hydraulic equipment proposed by the present invention, directly solves the problems in former technical solution, main high pressure liquid
Moulding pipe is directly connected to after becoming pump discharge by 90 degree of original angles, has directly shed 90 degree of oblique impact force and pressure damage
Consumption, auxiliary high-pressure hydraulic rubber hose change into 90 degree by original 180 degree, have also shed 90 degree of oblique impact force and pressure loss.
Below in conjunction with the accompanying drawings, it elaborates to some embodiments of the present invention.In the absence of conflict, following
Feature in embodiment can be combined with each other.
First embodiment
Referring to Fig. 1, present embodiments provide a kind of coal mining machine hydraulic equipment 100, including rack 110, hydraulic oil pump 130,
Fuel tank 150, control valve group 160, first pressure oil outlet tube 170, second pressure oil outlet tube 180 and multiple lifting oil pipes
190, hydraulic oil pump 130 and fuel tank 150 are removably attachable to rack 110, and control valve group 160 is connected to fuel tank 150, liquid
One end of pressure oil pump 130 is provided with the first liquid outlet and the second liquid outlet, and it is identical to be provided with opening direction in control valve group 160
One end of first liquid inlet and the second liquid inlet, first pressure oil outlet tube 170 is connected to the first liquid outlet, and first pressure oil goes out
The other end of liquid pipe 170 is connected to the first liquid inlet, and the opening direction of the opening direction of the first liquid outlet and the first liquid inlet
It is mutually perpendicular to；One end of second pressure oil outlet tube 180 is connected to the second liquid outlet, second pressure oil outlet tube 180 it is another
End is connected to the second liquid inlet, and the opening direction of the second liquid outlet is opposite with the opening direction of the second liquid inlet and mutually flat
Row.Multiple lifting connectors are additionally provided in control valve group 160, multiple lifting oil pipes 190 are connected to multiple liters correspondingly
Connector drops, and each opening direction for lifting connector is identical as the opening direction of the second liquid inlet.
In the present embodiment, first pressure oil outlet tube 170 and second pressure oil outlet tube 180 are flexible rubber pipe,
When mounted, the flexible rubber pipe at the first liquid outlet is linearly, and first pressure oil outlet tube 170 towards first enters
The direction of liquid mouth is gradually bent downwardly and final bending is upward.Second pressure oil outlet tube 180 is linearly arranged, and is directly connected to the
Two liquid outlets and the second liquid inlet greatly reduce the pressure loss of second pressure oil outlet tube 180.
In the present embodiment, lifting oil pipe 190 also uses flexible rubber pipe, facilitates installation.It is 4 to lift oil pipe 190 simultaneously
Root, the number for lifting connector are also 4, naturally it is also possible to are adjusted, be not specifically limited herein according to actual conditions.
In the present embodiment, the exit from do of control valve group 160 is arranged laterally to the left so that the second liquid inlet can be towards
The direction of hydraulic oil pump 130 is arranged, but also the first liquid inlet is down-set.When mounted, more lifting oil pipes 190 can be straight
It connects and is inserted on multiple lifting connectors, that is to say, that lifting connector directly connects lifting oil pipe 190, more lifting oil without angle
Pipe 190 passes through the rear side to coalcutter by the gap between pump motor and fuel tank 150 again, is connected on lifting cylinder.Phase
Compare former design, lifting oil pipe 190 is directly connected to control valve group 160 without angle formula, and high pressure oil goes out after control valve group 160 directly
Into in lifting oil pipe 190, the oblique impact force of no angle, lifting oil pipe 190 is again because being that several hydralic hoses can in addition for hose
Bundle, can effective buffering hydraulic sebific duct impact and shake.The damage of hydralic hose and sealing can be effectively reduced, i.e., just
It is to be damaged to replace also very simply, more than ten minutes can more finish changing, and designed relative to original and hydralic hose occurs or seals to damage
Bad, replacement needed for 3-4 hours, substantially increased production efficiency
In use, the high pressure oil being discharged in first pressure oil outlet tube 170 drains into first by the first liquid outlet and enters
The opening direction of liquid mouth, the first liquid outlet and the first liquid inlet is vertical, therefore the deflection angle that principal pressure oil goes out play pipe is 90 degree, phase
Compared with the deflection angle of original 180 degree, high pressure oil is not needed out to turn round once from the first liquid outlet, will not at valve port shape
At shake, avoids because shake damages valve port, improve the service life of first pressure oil outlet tube 170.Second pressure oil goes out
The high pressure oil being discharged in liquid pipe 180 drains into the second liquid inlet, the opening of the second liquid outlet and the second liquid inlet by the second liquid outlet
Direction is opposite so that second pressure oil outlet tube 180 can connect the second liquid outlet and the second liquid inlet with rectilinear direction, compare
In original 90 degree of deflection angle, high pressure oil is not needed out to turn round once from the second liquid outlet, will not be formed at valve port
Shake avoids because shake damages valve port, improves the service life of second pressure oil outlet tube 180.
Referring to Fig. 2, hydraulic oil pump 130 includes the pump housing 131 and oil connection seat 133, and oil connection seat 133 is fixedly connected on
The pump housing 131 is simultaneously oppositely arranged with control valve group 160, and the first liquid outlet and the second liquid outlet are arranged at oil connection seat 133 and lean on
The side of nearly control valve group 160, oil connection seat 133 pass through first pressure oil outlet tube 170 and second pressure oil outlet tube 180
It is connect with control valve group 160.
First pressure oil outlet tube 170 is provided at both ends with the first U-shaped card 135, and first pressure oil outlet tube 170 passes through
First U-shaped card 135 is connect with hydraulic oil pump 130 and control valve group 160 respectively.
Second pressure oil outlet tube 180 is provided at both ends with the second U-shaped card 137, and second pressure oil outlet tube 180 passes through
Second U-shaped card 137 is connect with hydraulic oil pump 130 and control valve group 160 respectively.
In the present embodiment, the accessories such as the first U-shaped card 135, the second U-shaped card 137, sebific duct meet GB standard,
Manufacturing cost can be substantially reduced.
Referring to Fig. 3, control valve group 160 includes valve group ontology 161 and manipulator 163, valve group ontology 161 with it is multiple simultaneously
The operation valve head of setting is arranged, manipulator connect 163 with valve group ontology 161, the folding for controlling multiple operation valve heads.
In the present embodiment, operating handle is bolted with valve group ontology 161.The manipulator of original design valve group is equal 163
For two fixed pin type connections, must dismantle the two fixed pins when handling hydralic hose oil leak, also have on fixed pin and be open
Pin, dismounting is troublesome and smallclothes are easy to be lost.Operation valve hand handle is handled with bolt connecting type in this new solution, dismounting is suitable
It is convenient.
Referring to Fig. 4, it is provided with oil temperature analyzer 151 and oil level analyzer 153 on fuel tank 150, is additionally provided on fuel tank 150
Oiling valve port 155, oil temperature analyzer 151 and oil level analyzer 153 are arranged at side of the fuel tank 150 far from hydraulic oil pump 130
Edge is simultaneously arranged close to oiling valve port 155.
In original design, oiling valve port 155, oil temperature analyzer 151 and oil level analyzer 153 are almost by hydralic hose
It is blocked, for 155 nearly all coal mine of oiling valve port as used in ornaments, oil temperature analyzer 151 and oil level analyzer 153 are also necessary
After pulling shifting sebific duct position, it can check.After this new solution is implemented, this can be observed directly at two, fill hydraulic fluid port
Can directly it change to refuel, oil temperature analyzer 151 and oil level analyzer 153 can be observed intuitively, facilitate and checked.
In the present embodiment, there is oil temperature analyzer 151 temperature sensor, the temperature sensor to extend into fuel tank 150
Thermometric is carried out to the pressure oil in fuel tank 150 and is shown by the temperature indicator on oil temperature analyzer 151, work is facilitated
Personnel carry out inspection.
In the present embodiment, there is oil level analyzer 153 oil level detection buoy, the oil level detection buoy to be arranged in fuel tank
The oil level of pressure oil is detected in 150, alarm signal is then sent out when oil level is less than warning line.
In conclusion present embodiments providing a kind of coal mining machine hydraulic equipment 100, second pressure oil outlet tube 180 is by original
The 90 degree of angles come are directly connected to after becoming pump discharge, have directly shed 90 degree of oblique impact force and pressure loss, the first pressure
Power oil outlet tube 170 changes into 90 degree by original 180 degree, has also shed 90 degree of oblique impact force and pressure loss.As above
Hydraulic system layout drawing after improvement, the AB exit from dos in whole valve group are changed into laterally to the left by original, are adopted vertically downward
4 hydralic hoses that radial up-down is responsible in the both sides of coal machine can be inserted directly into plinth, that is to say, that valve group oil outlet without
Angle directly connects hydralic hose, and hydralic hose is passed through by the gap between pump motor and fuel tank 150 to after coalcutter again
Side is connected on lifting cylinder.In use, the high pressure oil being discharged in first pressure oil outlet tube 170 goes out liquid by first
Mouth drains into the first liquid inlet, and the opening direction of the first liquid outlet and the first liquid inlet is vertical, therefore principal pressure oil goes out the deflection of play pipe
Angle is 90 degree, and compared to the deflection angle of original 180 degree, high pressure oil is not needed out to turn round once from the first liquid outlet,
Shake will not be formed at valve port, is avoided because shake damages valve port, and improve first pressure oil outlet tube 170 uses the longevity
Life.The high pressure oil being discharged in second pressure oil outlet tube 180 drains into the second liquid inlet, the second liquid outlet and by the second liquid outlet
The opening direction of two liquid inlets is opposite so that second pressure oil outlet tube 180 can with rectilinear direction connect the second liquid outlet and
Second liquid inlet, compared to original 90 degree of deflection angle, high pressure oil is not needed out to turn round once from the second liquid outlet, no
Shake can be formed at valve port, avoided because shake damages valve port, improved the service life of second pressure oil outlet tube 180.
Second embodiment
Present embodiments provide a kind of coal-mining machine hydraulic system, including coal mining machine actuating device, lifting gear and coalcutter
Hydraulic device 100, the wherein basic structure and principle of coal mining machine hydraulic equipment 100 and the technique effect and first embodiment of generation
Identical, to briefly describe, the present embodiment part does not refer to place, can refer to corresponding contents in first embodiment.
Coal mining machine hydraulic equipment 100 includes rack 110, hydraulic oil pump 130, fuel tank 150, control valve group 160, first pressure
Oily outlet tube 170 and second pressure oil outlet tube 180, hydraulic oil pump 130 and fuel tank 150 are removably attachable to rack
110, control valve group 160 is connected to fuel tank 150, and one end of hydraulic oil pump 130 is provided with the first liquid outlet and the second liquid outlet, control
It is provided with identical first liquid inlet of opening direction and the second liquid inlet in valve group 160 processed, the one of first pressure oil outlet tube 170
End is connected to the first liquid outlet, and the other end of first pressure oil outlet tube 170 is connected to the first liquid inlet, and the first liquid outlet
The opening direction of opening direction and the first liquid inlet is mutually perpendicular to；One end of second pressure oil outlet tube 180 is connected to second and goes out
The other end of liquid mouth, second pressure oil outlet tube 180 is connected to the second liquid inlet, and the opening direction of the second liquid outlet and second
The opening direction of liquid inlet is opposite and is mutually parallel.Coal mining machine actuating device and hydraulic oil pump 130 are sequentially connected, lifting gear with
Control valve group 160 connects.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of coal mining machine hydraulic equipment, which is characterized in that including rack, hydraulic oil pump, fuel tank, control valve group, first pressure
Oily outlet tube and second pressure oil outlet tube, the hydraulic oil pump and the fuel tank are removably attachable to the machine
Frame, the control valve group are connected to the fuel tank, and one end of the hydraulic oil pump is provided with the first liquid outlet and the second liquid outlet,
The first liquid inlet and the second liquid inlet are provided in the control valve group, one end of the first pressure oil outlet tube is connected to institute
The first liquid outlet is stated, the other end of the first pressure oil outlet tube is connected to first liquid inlet, and described first goes out liquid
The opening direction of the opening direction and first liquid inlet of mouth is mutually perpendicular to；One end of the second pressure oil outlet tube connects
It is connected to second liquid inlet, and described second in the other end of second liquid outlet, the second pressure oil outlet tube
The opening direction of liquid outlet is opposite with the opening direction of the second liquid inlet and is mutually parallel.
2. coal mining machine hydraulic equipment according to claim 1, which is characterized in that the hydraulic oil pump includes the pump housing and oil pipe
Plinth, the oil connection seat are fixedly connected on the pump housing and are oppositely arranged with the control valve group, and described first goes out liquid
Mouth and second liquid outlet are arranged at the side that oil connection seats against the nearly control valve group, and the oil connection seat passes through
The first pressure oil outlet tube and second pressure oil outlet tube are connect with the control valve group.
3. coal mining machine hydraulic equipment according to claim 1 or 2, which is characterized in that the first pressure oil outlet tube with
And the second pressure oil outlet tube is flexible rubber hose.
4. coal mining machine hydraulic equipment according to claim 1 or 2, which is characterized in that the first pressure oil outlet tube
Be provided at both ends with the first U-shaped card, the first pressure oil outlet tube by first U-shaped card respectively with the hydraulic oil
Pump is connected with the control valve group；The second pressure oil outlet tube is provided at both ends with the second U-shaped card, the second pressure
Oily outlet tube is connect with the hydraulic oil pump and the control valve group respectively by second U-shaped card.
5. coal mining machine hydraulic equipment according to claim 1, which is characterized in that the coal mining machine hydraulic equipment further includes more
A lifting oil pipe is additionally provided with multiple lifting connectors in control valve group, and multiple lifting oil pipes are connected to correspondingly
Multiple lifting connectors, opening direction phase of each opening direction for lifting connector with second liquid inlet
Together.
6. coal mining machine hydraulic equipment according to claim 5, which is characterized in that the more lifting oil pipes are flexible glue
Pipe.
7. coal mining machine hydraulic equipment according to claim 1, which is characterized in that the control valve group include valve group ontology and
There are multiple operation valve heads being set up in parallel, manipulator's handle to connect with the valve group ontology for manipulator's handle, the valve group ontology
It connects, the folding for controlling multiple operation valve heads.
8. coal mining machine hydraulic equipment according to claim 7, which is characterized in that manipulator's handle and the valve group ontology
It is bolted.
9. coal mining machine hydraulic equipment according to claim 1, which is characterized in that be provided with oil temperature analyzer on the fuel tank
With oil level analyzer, oiling valve port is additionally provided on the fuel tank, the oil temperature analyzer and the oil level analyzer are respectively provided with
It is arranged in one side edge of the fuel tank far from the hydraulic oil pump and close to the oiling valve port.
10. a kind of coal-mining machine hydraulic system, which is characterized in that including coal mining machine actuating device, lifting gear and such as claim
1-9 any one of them coal mining machine hydraulic equipments, the coal mining machine actuating device are sequentially connected with the hydraulic oil pump, the liter
Falling unit is connect with the control valve group.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810345128.XA CN108286539A (en) | 2018-04-17 | 2018-04-17 | A kind of coal mining machine hydraulic equipment and coal-mining machine hydraulic system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810345128.XA CN108286539A (en) | 2018-04-17 | 2018-04-17 | A kind of coal mining machine hydraulic equipment and coal-mining machine hydraulic system |
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Family
ID=62834623
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810345128.XA Pending CN108286539A (en) | 2018-04-17 | 2018-04-17 | A kind of coal mining machine hydraulic equipment and coal-mining machine hydraulic system |
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| JP2002005104A (en) * | 2000-06-19 | 2002-01-09 | Hitachi Constr Mach Co Ltd | Hydraulic power source device |
| CN202347554U (en) * | 2011-10-31 | 2012-07-25 | 中联重科股份有限公司 | Hydraulic driving device for soil shifter |
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