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 PDF

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Publication number
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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CN
China
Prior art keywords
pressure oil
outlet tube
mining machine
valve group
liquid
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CN201810345128.XA
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Chinese (zh)
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解兴智
龚勋
段红民
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Tiandi Science and Technology Co Ltd
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Tiandi Science and Technology Co Ltd
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Priority to CN201810345128.XA priority Critical patent/CN108286539A/en
Publication of CN108286539A publication Critical patent/CN108286539A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/08Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02Fluid 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

A kind of coal mining machine hydraulic equipment and coal-mining machine hydraulic system
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.
CN201810345128.XA 2018-04-17 2018-04-17 A kind of coal mining machine hydraulic equipment and coal-mining machine hydraulic system Pending CN108286539A (en)

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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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Application Number Priority Date Filing Date Title
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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN104314925A (en) * 2014-09-10 2015-01-28 浙江金鸟压滤机有限公司 Hydraulic station
CN205823506U (en) * 2016-07-07 2016-12-21 重庆大江动力设备制造有限公司 A kind of diesel generating set exempts from air-discharging oil supply system
CN207111544U (en) * 2017-07-31 2018-03-16 常州市新武机械有限公司 Ore deposit machine energy storage hydraulic station
CN208073888U (en) * 2018-04-17 2018-11-09 天地科技股份有限公司 A kind of coal mining machine hydraulic equipment and coal-mining machine hydraulic system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN104314925A (en) * 2014-09-10 2015-01-28 浙江金鸟压滤机有限公司 Hydraulic station
CN205823506U (en) * 2016-07-07 2016-12-21 重庆大江动力设备制造有限公司 A kind of diesel generating set exempts from air-discharging oil supply system
CN207111544U (en) * 2017-07-31 2018-03-16 常州市新武机械有限公司 Ore deposit machine energy storage hydraulic station
CN208073888U (en) * 2018-04-17 2018-11-09 天地科技股份有限公司 A kind of coal mining machine hydraulic equipment and coal-mining machine hydraulic system

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