CN201991683U - Hydropneumatic driving device - Google Patents

Hydropneumatic driving device Download PDF

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Publication number
CN201991683U
CN201991683U CN2011201328316U CN201120132831U CN201991683U CN 201991683 U CN201991683 U CN 201991683U CN 2011201328316 U CN2011201328316 U CN 2011201328316U CN 201120132831 U CN201120132831 U CN 201120132831U CN 201991683 U CN201991683 U CN 201991683U
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CN
China
Prior art keywords
cam
gas holder
hydropneumatic
turbo machine
pneumatic
Prior art date
Application number
CN2011201328316U
Other languages
Chinese (zh)
Inventor
贾纬民
慕雷
Original Assignee
北京科路工业装备有限公司
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Publication date
Application filed by 北京科路工业装备有限公司 filed Critical 北京科路工业装备有限公司
Priority to CN2011201328316U priority Critical patent/CN201991683U/en
Application granted granted Critical
Publication of CN201991683U publication Critical patent/CN201991683U/en

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Abstract

The utility model relates to a hydropneumatic driving device comprising a turbine, a cam mechanism, a piston pump and an air storage tank, wherein the turbine comprises blades and a wheel shaft, and the wheel spindle is fixed in the center of the blades; the cam mechanism comprises a cam and a transmission rod, wherein the raised part of the cam is rotationally connected with one end of the transmission rod, a shaft hole is formed in a hub part of the cam, and the wheel shaft is fixedly connected with the cam through the shaft hole; the piston pump comprises a piston and a pump body, wherein the piston is rotationally connected with the other end of the transmission rod, and an air outlet of the piston pump is connected with an air inlet of the air storage tank; and an air outlet of the air storage tank is connected with pneumatic equipment. Mixed liquid of high pressure water and emulsion liquid can push the impellers of the turbine to rotate so as to drive the cam mechanism to rotate, and convert continuous rotations of the cam to be reciprocating movement of the transmission rod, and when air is pumped into the air storage tank through the piston pump, high-energy and high-pressure air can be produced so as to drive underground medium and small sized machine equipment.

Description

A kind of hydropneumatic drive unit
Technical field
The utility model relates to a kind of hydropneumatic device, is specifically related to a kind of hydropneumatic drive unit.
Background technique
In the subsurface environment of coal mining, chance naked light or electrical spark will be blasted when the gas that gathers on the working surface reaches finite concentration, cause great casualties and property loss, therefore can not livewire work in underground work.Because coal mining belongs to heavy physical labour, and electrical equipment can not use in the down-hole, the scale and the efficient of this feasible exploitation work are restricted.Solving at present this difficult way has the use anti-explosion motor, because the price of anti-explosion motor usually in 1,000,000, has only scraper plate machine, coal winning machine and abolish important machinery such as machine and could use, and other still need manual operation as small-sized machines such as spanners.
Underworkings adopts hydraulic support frame support usually, has been covered with emulsified liquid pipeline and pipe joint around the hydraulic support frame, and the high-pressure emulsion in the pipeline props up supporting frame.The emulsified liquid pipeline provides pressure by the oil hydraulic pump of colliery outer installment, and internal pipe pressure is in 20-38 MPa scope usually.Emulsion motor utilizes the ducted high-pressure emulsion of emulsified liquid ready-made in the tunnel as power source usually, drives emulsion motor, with the kinetic energy of high-pressure emulsion be converted to can driving arrangement mechanical energy, to drive some down-hole small-sized machine operations.
Conventional emulsion motor adopts emulsified liquid to have a lot of problems as working medium, at first emulsified liquid character approaches water, in pipeline, be difficult to form moisture film with seal action, because directly picking out arm from the emulsified liquid pipeline, emulsion motor connects the motor terminal, make liquid transport pipeline very long, and pipe joint is a lot, has increased the possibility that emulsified liquid is revealed; Secondly, because the dividing potential drop in the emulsified liquid arm reduces, emulsified liquid kinetic energy reduces, the mechanical energy that then changes into is also less, oil hydraulic motor is very low with the conversion ratio that hydraulic pressure can be converted into kinetic energy simultaneously, therefore can only provide the moment of torsion about 100NM (similar with manpower), operation usefulness is equally very low, thereby can't be from alleviating miner's burden in fact; Once more, owing to have a lot of impurity in the emulsified liquid, and emulsion motor usually adopts and has planetary train emulsified liquid kinetic energy is converted to mechanical energy, impurity in the emulsified liquid is easy to accumulate between gear, cause the obstruction of train, so often cleaning of motor, otherwise be easy to damage.
Chinese patent application: a kind of non-circular gear series emulsion motor (application number: CN200610088465.2), a kind of emulsion motor that comprises by a heart wheel, all wheel and one group of planetary non-circular gear series is provided, its central gear is oval, and planetary number equals heart wheel and counts sum with the limit of taking turns in week; Non-circular gear series is arranged in the active chamber of emulsion motor, and planetary pinion is taken turns with week respectively and heart wheel tight engagement; Emulsified liquid enters active chamber from inlet, promotes week wheel rotation, and all wheels drive the rotation of heart wheel by planetary pinion, transmit torque in the device that is connected with planetary center fixation, finish kinetic energy and change to mechanical energy.Because emulsion motor adopts the wheel train structure of planetary pinion, all wheels and the engagement of heart wheel, impurity in the emulsified liquid accumulates between gear, will cause the obstruction of train after a period of time, therefore need regularly to clean the motor inner chamber, so be difficult to realize continuous operation, and bring extra work burden for the operator.
Summary of the invention
The utility model has proposed a kind of kinetic energy that the kinetic energy of the existing high-pressure emulsion in down-hole can be converted to pressurized gas at the deficiencies in the prior art, changes into the hydropneumatic drive unit of the mechanical energy of pneumatic equipment afterwards again.
The technical solution of the utility model is as follows:
A kind of hydropneumatic drive unit is characterized in that: it comprises turbo machine, cam mechanism, plunger pump and gas holder, and wherein turbo machine comprises blade and wheel shaft, and described wheel shaft is fixed on the center of blade; Described cam mechanism comprises cam and drive link, and the convex portion of described cam is connected rotationally with drive link one end, and the hub portion of described cam is provided with axis hole, and described wheel shaft is fixedlyed connected with described cam by described axis hole; Described plunger pump comprises the piston and the pump housing, and described piston is connected rotationally with the drive link the other end, and the air outlet of described plunger pump connects the suction port of described gas holder; The air outlet of described gas holder connects pneumatic equipment.
On the described gas holder pressure gauge is set.
Between the air outlet of described gas holder and the described pneumatic equipment control valve is set.
The liquid entering hole of described turbo machine connects the outlet of down-hole emulsified liquid pipeline.
Described pneumatic equipment comprises pneumatic wrench, pneumatic fixture, pneumatic drilling tool or pneumatic hammer.
The moment of torsion of described turbo machine is 300~1000NM, and rated speed is 2000r/min, and maximum (top) speed is 1500r/min.
The nominal pressure of described gas holder is 30kgf/cm 2, output gas pressure is 7~15kgf/cm 2
Described gas holder output gas pressure is 10kgf/cm 2
Technique effect of the present utility model is as follows:
Hydropneumatic drive unit of the present utility model comprises turbo machine, cam mechanism, plunger pump and gas holder, and wherein turbo machine comprises blade and wheel shaft, and wheel shaft is fixed on the center of blade; Cam mechanism comprises cam and drive link, and the convex portion of cam is connected rotationally with drive link one end, and the hub portion of cam is provided with axis hole, and wheel shaft is fixedlyed connected with cam by axis hole; Plunger pump comprises the piston and the pump housing, and piston is connected rotationally with the drive link the other end, and the air outlet of plunger pump connects the suction port of gas holder; The air outlet of gas holder connects pneumatic equipment.Because in the emulsified liquid pipeline is to have the water of certain pressure and the mixture of emulsified liquid, the flow inlet of turbo machine links to each other with the pipe joint of emulsified liquid pipeline, high pressure water and emulsified liquid mixing material can promote the impeller rotation of turbo machine like this, driving cam means is rotated, the continuous rotation of cam is changed into the to-and-fro motion of drive link, the band plunger pump is squeezed into air in the gas holder, produces to have high-octane high-pressure air, in order to drive the middle-size and small-size machinery in down-hole.
The utility model utilizes the existing emulsified liquid pipeline in down-hole, with the mixed solution of emulsified liquid and water as working medium, having finished can be to the conversion of compressed-air actuated kinetic energy by the fluid pressure of emulsified liquid, because the kinetic energy conversion ratio of turbo machine is much higher than oil hydraulic motor, therefore can driving cam air be squeezed into gas holder.The boost capability of air in gas holder promoted the air velocity of output greatly, thereby can drive the more machinery of high pulling torque far above hydraulic pressure, overcome the problem that is difficult to drive torque machine equipment owing to the pipe joint underpressure.
Because emulsified liquid does not directly act on the driving target in the utility model, but drive the turbo machine rotation earlier, transfer energy in the gas holder, and the parts clearance in the turbo machine is bigger, impurity in the emulsified liquid is difficult for depositing in equipment, thereby do not need equipment is carried out regular cleaning and descaling, guaranteed the sustainable operation of hydropneumatic drive unit.
Emulsified liquid pipeline inner high voltage mix emulsion fluid is provided by the outer oil hydraulic pump of well, and the running state of oil hydraulic pump can not have influence on the environment of down-hole.And the emulsified liquid pipeline is deep into inside, tunnel, and the hydraulic support frame place in the tunnel is provided with pipe joint, this pipe joint can directly connect the flow inlet of turbo machine by pipeline, the water export of turbo machine is connected same water tank with the inlet opening of oil hydraulic pump, guaranteed that emulsified liquid is in intrasystem closed loop cycle, effectively improve the utilization ratio of material, saved operating cost.
Description of drawings
Fig. 1 is the structural representation of hydropneumatic drive unit of the present utility model
The 1-turbo machine; The 11-blade; The 12-wheel shaft; The 2-cam mechanism; 21 cams; The 22-drive link; The 3-plunger pump; The 31-piston; The 32-pump housing; The 33-suction port; The 34-air outlet; The 4-gas holder; The 41-pressure gauge; The 42-control valve.
Embodiment
Below in conjunction with accompanying drawing the utility model is described.
As shown in Figure 1, hydropneumatic drive unit of the present utility model comprises turbo machine 1, cam mechanism 2, plunger pump 3 and gas holder 4.Wherein turbo machine 1 comprises blade 11 and wheel shaft 12, and wheel shaft 12 is fixed on the center of blade 11, both run-in synchronisms under the promotion of fluid.Cam mechanism 2 comprises cam 21 and drive link 22, and the convex portion of cam 21 is connected rotationally with drive link 22 1 ends, and the hub portion of cam 21 is provided with axis hole, and the wheel shaft 12 of turbo machine 1 is fixing by axis hole and cam 21, and cam 21 rotates synchronously with wheel shaft 12.Plunger pump 3 comprises piston 31, the pump housing 32, suction port 33 and air outlet 34, and the outside of piston 31 is connected rotationally with drive link 22 the other ends.When cam mechanism 2 changes into the to-and-fro motion of drive link 22 with the continuous rotation of cam 21, drive link 22 drives piston 31 to-and-fro motion in the pump housing 32, air is pumped in the pump housing 32 by suction port 33, outputs to by air outlet 34 again and boost in the gas holder 4 and preserve.
The utility model utilizes existing emulsified liquid pipeline in the mine, the blade 11 that promotes turbo machine 1 by emulsified liquid rotates, blade 11 drives wheel shaft 12 and cam 21 successively, the continuous rotation of cam 21 is changed into the to-and-fro motion of drive link 22, air sent into boost in the gas holder 4 and preserve, realize of the conversion of low-energy low-pressure gas to high-octane pressurized gas.Pressure gauge 41 is set on the gas holder 4, can be observed the pressure condition in the gas holder 4, in order to avoid underpressure or excessive.The place, air outlet of gas holder 4 is provided with a control valve 42, is used to control the output of pressurized gas, and the air outlet connects middle-size and small-size pneumatic equipment, provides power source by gas holder 4 for these equipment, supports its operation.
In the utility model, the moment of torsion of turbo machine 1 is 300~1000NM, and rated speed is 2000r/min, and maximum (top) speed is 1500r/min; The nominal pressure of gas holder 4 is 30kgf/cm 2, output gas pressure is 7~15kgf/cm 2, the output gas pressure optimum is 10kgf/cm 2
Should be pointed out that the above embodiment can make those skilled in the art more fully understand the utility model and create, create but limit the utility model never in any form.Therefore; although this specification is created the utility model with reference to drawings and Examples and is had been described in detail; but; those skilled in the art are to be understood that; still can create the utility model and make amendment or be equal to replacement; in a word, all do not break away from the technological scheme and the improvement thereof of the spirit and scope of the utility model creation, and it all should be encompassed in the utility model and create in the middle of the protection domain of patent.

Claims (9)

1. hydropneumatic drive unit, it is characterized in that: it comprises turbo machine, cam mechanism, plunger pump and gas holder, and wherein turbo machine comprises blade and wheel shaft, and described wheel shaft is fixed on the center of blade; Described cam mechanism comprises cam and drive link, and the convex portion of described cam is connected rotationally with drive link one end, and the hub portion of described cam is provided with axis hole, and described wheel shaft is fixedlyed connected with described cam by described axis hole; Described plunger pump comprises the piston and the pump housing, and described piston is connected rotationally with the drive link the other end, and the air outlet of described plunger pump connects the suction port of described gas holder; The air outlet of described gas holder connects pneumatic equipment.
2. a kind of hydropneumatic drive unit as claimed in claim 1 is characterized in that: on the described gas holder pressure gauge is set.
3. a kind of hydropneumatic drive unit as claimed in claim 1 is characterized in that: between the air outlet of described gas holder and the described pneumatic equipment control valve is set.
4. a kind of hydropneumatic drive unit as claimed in claim 1 is characterized in that: the liquid entering hole of described turbo machine connects the outlet of down-hole emulsified liquid pipeline.
5. as claim 1 or 2 or 3 or 4 described a kind of hydropneumatic drive units, it is characterized in that: described pneumatic equipment comprises pneumatic wrench, pneumatic fixture, pneumatic drilling tool or pneumatic hammer.
6. as claim 1 or 2 or 3 or 4 described a kind of hydropneumatic drive units, it is characterized in that: the moment of torsion of described turbo machine is 300~1000NM, and rated speed is 2000r/min, and maximum (top) speed is 1500r/min.
7. a kind of hydropneumatic drive unit as claimed in claim 5 is characterized in that: the moment of torsion of described turbo machine is 300~1000NM, and rated speed is 2000r/min, and maximum (top) speed is 1500r/min.
8. as claim 1 or 2 or 3 or 4 or 7 described a kind of hydropneumatic drive units, it is characterized in that: the nominal pressure of described gas holder is 30kgf/cm 2, output gas pressure is 7~15kgf/cm 2
9. a kind of hydropneumatic drive unit as claimed in claim 8 is characterized in that: described gas holder output gas pressure is 10kgf/cm 2
CN2011201328316U 2011-04-22 2011-04-22 Hydropneumatic driving device CN201991683U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011201328316U CN201991683U (en) 2011-04-22 2011-04-22 Hydropneumatic driving device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011201328316U CN201991683U (en) 2011-04-22 2011-04-22 Hydropneumatic driving device

Publications (1)

Publication Number Publication Date
CN201991683U true CN201991683U (en) 2011-09-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011201328316U CN201991683U (en) 2011-04-22 2011-04-22 Hydropneumatic driving device

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105113575A (en) * 2015-09-11 2015-12-02 南京航空航天大学 Device for extracting water from air with tidal energy
CN105256866A (en) * 2015-11-20 2016-01-20 山东华腾环保科技有限公司 System for movable public washroom and using process thereof
CN107791291A (en) * 2017-11-27 2018-03-13 宁波江北文增新材料科技有限公司 Plastic cutter
CN108344250A (en) * 2018-04-28 2018-07-31 吴又炳 A kind of liquefying plant of dense gas
CN108344249A (en) * 2018-04-28 2018-07-31 吴又炳 A kind of liquefying plant of gas
CN108387067A (en) * 2018-04-28 2018-08-10 吴又炳 A kind of liquefying plant of special gas

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105113575A (en) * 2015-09-11 2015-12-02 南京航空航天大学 Device for extracting water from air with tidal energy
CN105256866A (en) * 2015-11-20 2016-01-20 山东华腾环保科技有限公司 System for movable public washroom and using process thereof
CN107791291A (en) * 2017-11-27 2018-03-13 宁波江北文增新材料科技有限公司 Plastic cutter
CN108344250A (en) * 2018-04-28 2018-07-31 吴又炳 A kind of liquefying plant of dense gas
CN108344249A (en) * 2018-04-28 2018-07-31 吴又炳 A kind of liquefying plant of gas
CN108387067A (en) * 2018-04-28 2018-08-10 吴又炳 A kind of liquefying plant of special gas

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