CN103527437A - High-pressure and high-speed valve flow distributing axial plunger pump - Google Patents
High-pressure and high-speed valve flow distributing axial plunger pump Download PDFInfo
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- CN103527437A CN103527437A CN201210230994.7A CN201210230994A CN103527437A CN 103527437 A CN103527437 A CN 103527437A CN 201210230994 A CN201210230994 A CN 201210230994A CN 103527437 A CN103527437 A CN 103527437A
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- oil cylinder
- plunger
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Abstract
The invention belongs to axial plunger pumps, and particularly discloses a high-pressure and high-speed valve flow distributing axial plunger pump. The high-pressure and high-speed valve flow distributing axial plunger pump comprises a shell. A shaft, bearings, a moving ring, a spring, a sliding boot, a clamping disk, a plunger piston, an oil cylinder, an oil outlet one-way valve and an oil inlet one-way valve are arranged inside the shell. A static ring, the moving ring and the spring are sequentially arranged between the shaft and the shell from the left to the right in a sleeved mode. The two sides of the shaft are respectively provided with one bearing, the right most end of the shaft is an oblique face, a protrusion is arranged in the middle of the right most end of the shaft, and the sliding boot is placed on the bottom of the oblique face. The clamping disk is fixedly arranged on the protrusion of the shaft, and the clamping disk fixes the sliding boot between the clamping disk and the bottom of the oblique face. The oil cylinder is embedded in the right end of the shell, and the right end portion of the oil cylinder is inserted into a rear seat. The upper portion of the oil cylinder is provided with the plunger piston and a plunger hole of the oil outlet one-way valve, the lower portion of the oil cylinder is provided with an oil inlet hole used for containing the oil inlet one-way valve, and the right end portion of the middle of the oil cylinder is provided with an oil outlet hole. The high-pressure and high-speed valve flow distributing axial plunger pump can provide a hydraulic pump for a downhole hydraulic system in an oil drilling tool, mechanical energy is input through a rotating shaft, and high pressure oil liquid needed by the hydraulic system is output.
Description
Technical field
The invention belongs to a kind of axial piston pump, be specifically related to a kind of high-pressure mini quick closing valve fluid-distributing axial plunger pump for oil drilling equipment field.
Background technique
Along with the development of modern science and technology, hydraulic system is more and more higher to the quality requirements of oil sources, especially more and more urgent to the demand of ultrahigh pressure micro pressure oil sources in oil drilling field.In oil drilling field, in subsurface environment, be subject to the restriction of borehole size and boring tool, its spatial structure is limited; In drilling process, stressing conditions is complicated, needs underground hydraulic pressure system High power output; Downhole energy source is obtained comparatively difficulty, and this just requires hydraulic system to possess the features such as low power consumption, high efficiency.Oil hydraulic pump, as underground hydraulic pressure system pressure oil sources, need possess following characteristics: size is little, delivery pressure is high, efficiency is high, low in energy consumption, also needs in addition to possess the features such as reliable performance, cost is low, extensibility is strong.
Summary of the invention
The object of the present invention is to provide a kind of high-voltage high-speed valve fluid-distributing axial plunger pump, this plunger pump can provide oil hydraulic pump for the underground hydraulic pressure system in oil drilling tool, inputs mechanical energy, the high-voltage oil liquid that output hydraulic pressure system is required by rotating shaft.
Realize the technological scheme of the object of the invention: a kind of high-voltage high-speed valve fluid-distributing axial plunger pump: it comprises housing, axle, bearing, stationary ring, rotating ring, spring, piston shoes, chuck, plunger, oil cylinder, oil outlet one-way valve, in line check valve, and axle, bearing, rotating ring, spring, piston shoes, chuck, plunger, oil cylinder and oil outlet one-way valve and in line check valve are housed in housing; Between axle and housing, from left to right successively cover have stationary ring, rotating ring, spring, stationary ring is fixedly connected with housing; On axle, be positioned at stationary ring left side place and be provided with bearing; The low order end of axle is inclined-plane, and this low order end intermediate portion has projection, and on axle, the left side place that is positioned at inclined-plane is provided with bearing, is provided with spring between this bearing and rotating ring, piston shoes are positioned at this bottom, inclined-plane; In the projection of axle, be fixed with chuck, chuck is fixed on piston shoes between chuck and bottom, this inclined-plane; Oil cylinder is fixedly embedded in the shoulder hole of housing right-hand member, and oil cylinder right part is inserted in back seat; The top of oil cylinder has plunger hole, and the bottom of oil cylinder has oil inlet hole, and in the middle of oil cylinder, right part has oil outlet, in the left end of plunger hole, plunger is housed, and in the right-hand member of plunger hole, oil outlet one-way valve is housed, and in line check valve is housed in oil inlet hole.
The left end of described axle is set with the axle sleeve being fixedly connected with housing outward, the described bearing of locating to be provided with in stationary ring left side that is positioned at comprises the first deep groove ball bearing, thrust-bearing and the second deep groove ball bearing, and axle sleeve is set with the first deep groove ball bearing, thrust-bearing, the second deep groove ball bearing outward, from left to right successively.
The left end of the first described deep groove ball bearing is clamped in housing by circlip is spacing.
Between described axle and housing, cover has the sleeve being fixedly connected with housing, is set with successively from right to left stationary ring, rotating ring, spring seat, spring, the 3rd deep groove ball bearing between axle and sleeve.
The 3rd described deep groove ball bearing outer ring withstands on the right part of sleeve, and deep groove ball bearing inner ring right side withstands on the shaft shoulder of axle, and the 3rd deep groove ball bearing inner ring left side heads on the right part of spring, and the left part of spring is pressed on spring seat, and rotating ring is adjacent on stationary ring.
The projection of described axle right part is for being step-like, between bottom, the inclined-plane of axle right-hand member and piston shoes, the disc being fixedly connected with axle is housed, and chuck is fixed on piston shoes between chuck and disc.
The bulb of described plunger left end is by the ball-and-socket envelope of piston shoes, and plunger right-hand member inserts in the plunger hole of oil cylinder.
The right side of described back seat is clamped in housing by retainer ring spacing.
Useful technique effect of the present invention is: the present invention can meet the bulk requirement of underground hydraulic pressure system to hydraulic-pressure pump in oil drilling field; Realized the hyperpressure output of fluid; Realized the low power consumption requirement of system; Realized high efficiency transformation of energy.Generally speaking, the present invention has realized the low power consumption under small space, high efficiency, the output of high pressure fluid.Input shaft assembly is accepted the torque machinery energy of extraneous input, drag swash plate assembly and carry out circular movement, swash plate assembly drives the piston shoes of plunger assembly bottom, driven pin plug assembly moves reciprocatingly in rotor hole, when plunger walks toward outside along plunger hole, under suction function, fluid enters in plunger cavity by filler opening assembly, when plunger enters inward along plunger hole, fluid in sliding cylinder extrusion plunger cavity is from oil outlet assembly output and enter hydraulic actuator through pressure hydraulic fluid port, thereby realizes filler opening oil suction, high-pressure mouth is fuel-displaced.When dynamic sealing assembly guarantees oil pump running, inner fluid does not leak from rotating shaft position.The output flow of oil pump can be realized by adjusting the quantity of rotor hole and plunger assembly.Oil pump adopts tubular structure, and maximum outside diameter is less than Φ 30mm, and entire length is less than 70mm.Take in addition high frequency flow-distributing valve, solve the phenomenon that under high frequency state, common one-way valve can not open and close in time, realize running up of oil pump.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of high-voltage high-speed valve fluid-distributing axial plunger pump provided by the present invention;
In figure: 1. housing; 2. back-up ring; 3. back seat; 3.1. oil outlet; 4. oil outlet one-way valve; 5. plunger; 5.1 plunger hole; 6. piston shoes; 7. pad; 8. baffle plate; 9. chuck; 10. disc; 11. first pins; 12. axles; 13.1 the first deep groove ball bearing; 13.2 the second deep groove ball bearing; 13.3 the 3rd deep groove ball bearings; 14. threadeds; 15. spring seats; 16. rotating rings; 17. stationary rings; 18. second pins; Interstage sleeve on 19.; 20. axle sleeves; 21. spline housings; 22. rivets; 23. circlips; 24. times interstage sleeves; 25. thrust-bearings; 26. sleeves; 27. first seal rings; 28. second seal rings; 29. springs; 30. the 3rd seal rings; 31. packing rings; 32. screws; 33. in line check valves; 33.1. filler opening; 34. oil cylinders; 35. seal rings; 36 back-up rings; 37. seal rings; 38. pins.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.
As shown in Figure 1, a kind of high-voltage high-speed valve fluid-distributing axial plunger pump provided by the present invention comprises axle 12, and axle 12 left sides are mechanical energy input end, by being positioned at the spline housing 21 of axle 12 high order ends, is connected with motor.Outer axle sleeve 20, sleeve 26, stationary ring 17, rotating ring 16, spring seat 15, spring 29, the 3rd deep groove ball bearing 13.3 of being set with of axle 12, disc 10, chuck 9 are equipped with in axle 12 ends, and the first deep groove ball bearing 13.1, thrust-bearing 25, the second deep groove ball bearing 13.2 are housed on its Intermediate shaft sleeve 20 successively.Right-hand member of the present invention is energy conversion module, mainly comprises oil cylinder 34, plunger 5, piston shoes 6, oil outlet one-way valve 4, filler opening one-way valve 33, back seat 3.Axle 12 and connect component thereon and the energy conversion module integral press mounting housing 1 of right-hand member in, right-hand member is spacing by back-up ring 2, left end is spacing by circlip 23.Housing 1 is externally for being threaded, and left end is outside thread, and right-hand member is internal thread.
As shown in Figure 1, the left end of axle 12 is set with axle sleeve 20 outward, between axle sleeve 20 and axle 12, by rivet 22, tightens together, and axle sleeve 20 is outer, be set with successively from left to right the first deep groove ball bearing 13.1, thrust-bearing 25, the second deep groove ball bearing 13.2.The first deep groove ball bearing 13.1 left ends are spacing by circlip 23, are clamped in housing 1.The inner ring of the first deep groove ball bearing 13.1 and the second deep groove ball bearing 13.2 all with axle sleeve 20 interference fit, the outer ring of the first deep groove ball bearing 13.1 and the second deep groove ball bearing 13.2 is adjacent to housing 1, lower one side of something of thrust-bearing 25 fits together by the outer ring of lower interstage sleeve 24 and the first deep groove ball bearing 13.1, and the upper of thrust-bearing 25 fits together by the inner ring of upper interstage sleeve 19 and the second deep groove ball bearing 13.2.Between axle 12 and housing 1, cover has sleeve 26, between axle 12 and sleeve 26, be set with successively from right to left stationary ring 17, rotating ring 16, spring seat 15, spring 29, the 3rd deep groove ball bearing 13.3, wherein, between rotating ring 16 and axle 12, by the second seal ring 28, sealed, between sleeve 26 and housing 1, by the 3rd seal ring 30, sealed, and by threaded 14, sleeve 26 is tightened together with housing 1, in sleeve 26 left sides, be set with stationary ring 17, the first seal ring 27 is housed between stationary ring 17 and sleeve 26, and 26, stationary ring 17 left sides and sleeve are fastening by the second pin 18.The 3rd deep groove ball bearing 13.3 outer rings withstand on the right part of sleeve 26, deep groove ball bearing 13.3 inner ring right sides withstand on the shaft shoulder of axle 12, the 3rd deep groove ball bearing 13.3 inner ring left sides head on the right part of spring 29, the left part of spring 29 is pressed on spring seat 15, and spring seat 15 is pressing down rotating ring 16 at spring-force driven dual and is being adjacent on stationary ring 17.The right part of axle 12 is inclined-plane, intermediate portion projection is step-like, disc 10 is equipped with in the bottom, inclined-plane of axle 12 right-hand members, disc 10 is fixed on the bottom, right side of axle 12 by the first pin 11, on the step of axle 12 right part projections, chuck 9 is housed, chuck 9 is fixed on piston shoes 6 between chuck 9 and disc 10, between chuck 9 and the step of axle 12 right part projections, is provided with packing ring 31, and chuck 9 is fastened on the step of axle 12 right part projections by screw 32.Oil cylinder 34 is pressed in the shoulder hole of housing 1, and the left side of oil cylinder 34 withstands on the shoulder of shoulder hole, by pin 38, oil cylinder 34 and housing 1 is carried out to fastening location.Oil cylinder 34 right parts, for stretching out mouth, are inserted in the closed hole of back seat 3, and are sealed by seal ring 37.Back seat 3 is high pressure oil output of the present invention position, the left side of back seat 3 and oil cylinder 34 are adjacent to, and the shoulder position, right side of back seat 3 is carried out spacing to it by back-up ring 2, be clamped in housing 1, back seat 3 right side medium positions are that output oil port connects mouth, externally export high-voltage oil liquid.Plunger 5, in line check valve 33, oil outlet one-way valve 4 are equipped with in oil cylinder 34 inside, are also provided with plunger hole 5.1, oil inlet hole 33.1, oil outlet 3.1 in oil cylinder 34.The bulb of plunger 5 left ends is by the ball-and-socket envelope of piston shoes 6, and insert in the plunger hole 5.1 of oil cylinder 34 plunger 5 right-hand member cylndrical surface.In line check valve 4 is contained in the plunger hole 5.1 of oil cylinder 34, and the left end of in line check valve 4 is linked up mutually with plunger hole 5.1.Oil outlet one-way valve 33 is contained in oil inlet hole 33.1 right-hand members, and oil outlet one-way valve 33 is linked up mutually with oil outlet 3.1.
The working principle of a kind of high-voltage high-speed valve fluid-distributing axial plunger pump provided by the invention is as follows: the spline housing 21 band moving axis 12 of prime mover by axle 12 left sides are rotated, and drives the inner ring of the first deep groove ball bearing 13.1, the inner ring of the inner ring of the upper half part of thrust-bearing 25, the second deep groove ball bearing 13.2, axle sleeve 20, rotating ring 16, spring seat 15, spring 29, the 3rd deep groove ball bearing 13.3, disc 10 rotate together.When in this process, the first deep groove ball bearing 13.1, the second deep groove ball bearing 13.2, the 3rd deep groove ball bearing 13.3 actings in conjunction have guaranteed axle 12 running steadily.26, sleeve has played sealing and supporting role.During axle 12 rotation, under the effect of spring 29, the sealing surface of rotating ring 16 is close to stationary ring 17, forms a motive sealing link, has guaranteed that the inner fluid of oil pump does not leak outside under the acting in conjunction of the first seal ring 27, the second seal ring 28.The right-hand member of plunger 5 inserts in the plunger hole 5.1 of oil cylinder 34, piston shoes 6 are adjacent on disc 10 under the effect of chuck 9, due to the ramp structure of axle 12 right parts, when axle 12 rotation, chuck 9 blocks piston shoes 6, thereby drag plunger 5, in the plunger hole 5.1 of oil cylinder 34, moves back and forth.When plunger 5 in plunger hole 5.1 when the left movement, under suction function, in line check valve 33 is opened, fluid enters into plunger hole 5.1 from the filler opening 33.1 of oil cylinder 34 through in line check valve 33, and in this process, oil outlet one-way valve 4, in closed condition, plays reverse cut-off effect.When plunger 5 is when plunger hole 5.1 is turned right motion, oil outlet one-way valve 4 is opened under pressure, and fluid enters into oil outlet 3.1 from the plunger hole 5.1 of oil cylinder 34 through oil outlet one-way valve 4, and in this process, in line check valve 33 is in closed condition.Along with rotatablely moving of axle 12, fluid constantly sucks, from oil outlet 3.1, discharges, from the mechanical energy of input is converted into hydraulic energy from oil inlet hole 33.1.Because in line check valve 33 and oil outlet one-way valve 4 are plank frame, can realize high frequency and open and close, so the present invention can realize high speed rotating, more than turning scooter 5000r/min, more than pressure also can reach 30MPa.
In conjunction with the accompanying drawings and embodiments the present invention is explained in detail above, but the present invention is not limited to above-described embodiment, in the ken possessing those of ordinary skills, can also under the prerequisite that does not depart from aim of the present invention, makes various variations.The content not being described in detail in the present invention all can adopt prior art.
Claims (8)
1. a high-voltage high-speed valve fluid-distributing axial plunger pump, it is characterized in that: it comprises housing (1), axle (12), bearing, stationary ring (17), rotating ring (16), spring (29), piston shoes (6), chuck (9), plunger (5), oil cylinder (34), oil outlet one-way valve (4), in line check valve (33), axle (12), bearing, rotating ring (16), spring (29), piston shoes (6), chuck (9), plunger (5), oil cylinder (34) and oil outlet one-way valve (4) and in line check valve (33) are housed in housing (1); Between axle (12) and housing (1), from left to right successively cover have stationary ring (17), rotating ring (16), spring (29), stationary ring (17) is fixedly connected with housing (1); Axle (12) is gone up, is positioned at place, stationary ring (17) left side and is provided with bearing; The low order end of axle (12) is inclined-plane, and this low order end intermediate portion has projection, and axle (12) place, left side upper, that be positioned at inclined-plane is provided with bearing, is provided with spring (29) between this bearing and rotating ring (16), and piston shoes (6) are positioned at this bottom, inclined-plane; In the projection of axle (12), be fixed with chuck (9), chuck (9) is fixed on piston shoes (6) between chuck (9) and bottom, this inclined-plane; Oil cylinder (34) is fixedly embedded in the shoulder hole of housing (1) right-hand member, and oil cylinder (34) right part is inserted in back seat (3); The top of oil cylinder (34) has plunger hole (5.1), the bottom of oil cylinder (34) has oil inlet hole (33.1), in the middle of oil cylinder (34), right part has oil outlet (3.1), plunger (5) is housed in the left end of plunger hole (5.1), oil outlet one-way valve (4) is housed in the right-hand member of plunger hole (5.1), in line check valve (33) is housed in oil inlet hole (33.1).
2. a kind of high-voltage high-speed valve fluid-distributing axial plunger pump according to claim 1, it is characterized in that: the left end of described axle (12) is set with the axle sleeve (20) being fixedly connected with housing (1) outward, the described bearing of locating to be provided with in stationary ring (17) left side that is positioned at comprises the first deep groove ball bearing (13.1), thrust-bearing (25) and the second deep groove ball bearing (13.2), and axle sleeve (20) is set with the first deep groove ball bearing (13.1), thrust-bearing (25), the second deep groove ball bearing (13.2) outward, from left to right successively.
3. a kind of high-voltage high-speed valve fluid-distributing axial plunger pump according to claim 2, is characterized in that: the left end of described the first deep groove ball bearing (13.1) is clamped in housing (1) by circlip (23) is spacing.
4. a kind of high-voltage high-speed valve fluid-distributing axial plunger pump according to claim 3, it is characterized in that: between described axle (12) and housing (1), cover has the sleeve (26) being fixedly connected with housing (1), is set with successively from right to left stationary ring (17), rotating ring (16), spring seat (15), spring (29), the 3rd deep groove ball bearing (13.3) between axle (12) and sleeve (26).
5. a kind of high-voltage high-speed valve fluid-distributing axial plunger pump according to claim 4, it is characterized in that: the 3rd described deep groove ball bearing (13.3) outer ring withstands on the right part of sleeve (26), deep groove ball bearing (13.3) inner ring right side withstands on the shaft shoulder of axle (12), the 3rd deep groove ball bearing (13.3) inner ring left side heads on the right part of spring (29), it is upper that the left part of spring (29) is pressed in spring seat (15), and rotating ring (16) is adjacent on stationary ring (17).
6. a kind of high-voltage high-speed valve fluid-distributing axial plunger pump according to claim 5, it is characterized in that: the projection of described axle (12) right part is for being step-like, bottom the inclined-plane of axle (12) right-hand member with between piston shoes (6), the disc (10) being fixedly connected with axle (12) is housed, chuck (9) is fixed on piston shoes (6) between chuck (9) and disc (10).
7. a kind of high-voltage high-speed valve fluid-distributing axial plunger pump according to claim 6, is characterized in that: the bulb of described plunger (5) left end is by the ball-and-socket envelope of piston shoes (6), and plunger (5) right-hand member inserts in the plunger hole (5.1) of oil cylinder (34).
8. a kind of high-voltage high-speed valve fluid-distributing axial plunger pump according to claim 7, is characterized in that: the right side of described back seat (3) is clamped in housing (1) by back-up ring (2) is spacing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210230994.7A CN103527437A (en) | 2012-07-04 | 2012-07-04 | High-pressure and high-speed valve flow distributing axial plunger pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210230994.7A CN103527437A (en) | 2012-07-04 | 2012-07-04 | High-pressure and high-speed valve flow distributing axial plunger pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103527437A true CN103527437A (en) | 2014-01-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210230994.7A Pending CN103527437A (en) | 2012-07-04 | 2012-07-04 | High-pressure and high-speed valve flow distributing axial plunger pump |
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| CN (1) | CN103527437A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103883493A (en) * | 2014-03-20 | 2014-06-25 | 西安交通大学 | Axial plunger pump with fixed cylinder body |
| CN103925183A (en) * | 2014-04-22 | 2014-07-16 | 北京嘉禾汇拓石油技术有限公司 | Axial plunger pump for mud pulse generator |
| CN104454420A (en) * | 2014-12-11 | 2015-03-25 | 浙江大学 | Inclined-disc-rotating internally-disposed valve flow distribution axial plunger pump |
| CN110748468A (en) * | 2019-11-28 | 2020-02-04 | 厦门大学 | High-speed high-pressure axial plunger pump |
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| CN101832243A (en) * | 2010-04-30 | 2010-09-15 | 北京工业大学 | Axial water pressure plunger pump with easy maintenance |
| CN202031821U (en) * | 2011-03-25 | 2011-11-09 | 杭州佳湖科技有限公司 | Axial plunger pump for valve-type deep well |
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2012
- 2012-07-04 CN CN201210230994.7A patent/CN103527437A/en active Pending
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| US4149830A (en) * | 1977-05-16 | 1979-04-17 | The Bendix Corporation | Variable displacement piston pump |
| PL170878B1 (en) * | 1993-06-11 | 1997-01-31 | Zaklady Automatyki Polna Sa | Multi-plunger pump |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103883493A (en) * | 2014-03-20 | 2014-06-25 | 西安交通大学 | Axial plunger pump with fixed cylinder body |
| CN103883493B (en) * | 2014-03-20 | 2015-12-09 | 西安交通大学 | The axial piston pump that a kind of cylinder body is static |
| CN103925183A (en) * | 2014-04-22 | 2014-07-16 | 北京嘉禾汇拓石油技术有限公司 | Axial plunger pump for mud pulse generator |
| CN104454420A (en) * | 2014-12-11 | 2015-03-25 | 浙江大学 | Inclined-disc-rotating internally-disposed valve flow distribution axial plunger pump |
| CN104454420B (en) * | 2014-12-11 | 2016-08-17 | 浙江大学 | Swash plate rotary internal Flat valve axial plunger pump |
| CN110748468A (en) * | 2019-11-28 | 2020-02-04 | 厦门大学 | High-speed high-pressure axial plunger pump |
| CN110748468B (en) * | 2019-11-28 | 2020-07-03 | 厦门大学 | High-speed high-pressure axial plunger pump |
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Application publication date: 20140122 |