CN100552218C - Multi-purpose hydraulic negative-feedback pump - Google Patents
Multi-purpose hydraulic negative-feedback pump Download PDFInfo
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- CN100552218C CN100552218C CNB2007100542005A CN200710054200A CN100552218C CN 100552218 C CN100552218 C CN 100552218C CN B2007100542005 A CNB2007100542005 A CN B2007100542005A CN 200710054200 A CN200710054200 A CN 200710054200A CN 100552218 C CN100552218 C CN 100552218C
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Abstract
The invention provides a kind of multi-purpose hydraulic negative-feedback pump, have fuel tank, pump motor group, pilot operated compound relief valve, adjustable restrictive valve, high pressure oil inlet pipe and return tube, wherein: described high pressure oil inlet pipe is communicated with quick changement and reverse feedback hydraulic cylinder assembly, and the oil circuit of reverse feedback hydraulic cylinder assembly is connected with the oil circuit of quick changement; Described quick changement is made up of hydraulic control two-position four-way valve and two that the are positioned at hydraulic control two-position four-way valve two ends fast valves of jumping; Described reverse feedback oil cylinder is made of cylinder body and the reverse feedback piston assembly that is positioned at the reverse feedback cylinder cavity; Axial direction is provided with oil-return groove on the inwall at the spool chamber two ends of described hydraulic control two-position four-way valve, and described reverse feedback cylinder block two ends are provided with reverse feedback groove and following reverse feedback groove, and upper and lower reverse feedback groove is connected with the fast valve opening of jumping.Compared with prior art, have compact structure, volume is little, and cost is low, can realize high frequency reciprocating reversing and powerful output, good energy-conserving effect.
Description
Technical field
The present invention relates to pump class technical field, relate in particular to multi-purpose hydraulic negative-feedback pump.
Technical background
Pump is a kind of a kind of machinery of carrying liquid, gas, mud, and it is to send the mechanical energy of prime mover or other external energies to liquid, thereby liquid kinetic energy is increased along line transportation.Can be divided into two classes by motion mode, a class is a rotary type, as Centrifugal water pump, and deep-well electric pump etc.; Another kind of is straight reciprocating pump, as: barrel oil pump, axial piston pump, warp-wise plunger pump, the underwell pump of beam pumping unit etc.The motive force of this two classes pump, usually with motor or internal-combustion engine, directly output can only the driving rotational pump, if will become straight line motion to rotation motion, a kind of method is used lanar four rod mechanism, rotation motion is converted to straight line motion, another kind then is to drive oil hydraulic pump, and if the hydraulic oil driving oil cylinder moving linearly that pumps is to-and-fro motion, then need realize commutation, make the piston of oil hydraulic cylinder and piston rod do straight reciprocating motion by selector valve.Commutation is cut down automatically controlled, gas control, hydraulic control, but all do not fit into frequent commutation, at all can not the high frequency commutation.In solenoid valve when commutation,, the speed of response of solenoid valve is 0.08-0.12 second, so commutating frequency is at 6-8 time/second, and thrust is little, and the life-span lacks.
Summary of the invention
For solving the above-mentioned defective of prior art, the object of the present invention is to provide a kind of compact structure, volume is little, and cost is low, can realize high frequency reciprocating reversing and powerful output, the multi-purpose hydraulic negative-feedback pump of good energy-conserving effect.
For achieving the above object, the technical solution used in the present invention is: multi-purpose hydraulic negative-feedback pump, have fuel tank, pump motor group, one-way valve, pilot operated compound relief valve, manual two position three-way valve, adjustable restrictive valve, high pressure oil inlet pipe and return tube that hydraulic oil is housed, wherein: described high pressure oil inlet pipe is communicated with quick changement, and the oil circuit of changement is connected with the oil circuit of reverse feedback oil cylinder fast; Described quick changement is made up of hydraulic control two-position four-way valve and two that the are positioned at hydraulic control two-position four-way valve two ends fast valves of jumping; Described reverse feedback oil cylinder is made of reverse feedback cylinder block and the reverse feedback piston assembly that is positioned at the reverse feedback cylinder cavity; Described hydraulic control two-position four-way valve has valve body, be provided with spool chamber in the valve body, spool is positioned at spool chamber, axial direction is provided with oil-return groove on the inwall at spool chamber two ends, valve body is provided with that height presses oily oil-feed P mouth and height presses oily oil return O mouth, and height presses oily oil-feed P mouth and links to each other with the high pressure oil inlet pipe, and height presses oily oil return O mouth and links to each other with return tube, be positioned on the valve body at spool chamber two ends and be respectively equipped with the fast jumping valve opening that is connected with spool chamber, jump valve soon and be positioned at fast jumping valve opening; The piston-less lumen of described reverse feedback oil cylinder is provided with reverse feedback groove and following reverse feedback groove with the cylinder body that the two ends of rod end chamber are arranged, last reverse feedback groove is connected with the fast jumping valve opening of quick changement lower end, following reverse feedback groove is communicated with the control oil duct, the outlet of control oil duct is communicated with the fast jumping valve opening of quick changement upper end, piston-less lumen upper end sidepiece is communicated with oil cylinder epicoele passage, the other end of oil cylinder epicoele passage is communicated with the A mouth of hydraulic control two-position four-way valve, have rod end chamber lower end sidepiece to be communicated with oil cylinder cavity of resorption passage, the other end of oil cylinder cavity of resorption passage is communicated with hydraulic control two-position four-way valve B mouth.
Described reverse feedback piston assembly has piston, piston ring and piston rod, the upper and lower end parts of piston has the convex platform and the lower convex platform that can match with upper and lower reverse feedback groove respectively, between the side of upper and lower boss and end face, be respectively equipped with return repairing passage, in return repairing passage, be provided with one-way valve.
The output terminal of the piston rod of described reverse feedback piston assembly is connected with power cylinder, power cylinder has power cylinder cylinder body, power cylinder piston, cylinder body piston-less lumen end is provided with the enterable suction passage of fluid, be provided with one-way valve in the suction passage, on the power cylinder piston, be provided with the transition passage that can run through the power cylinder piston, establish one-way valve in transition passage, power cylinder has the upper end of rod end chamber to be communicated with drain pipe.
Beneficial effect of the present invention: the dynamical element of this multi-purpose hydraulic negative-feedback pump is by fuel tank, the pump motor group, pilot operated compound relief valve, manual two position three-way valve, adjustable restrictive valve is formed, the oil inlet pipe of dynamical element is connected with quick changement, the oil circuit of changement is connected with the oil circuit of reverse feedback oil cylinder fast, changement is made up of hydraulic control two-position four-way valve and two that the are positioned at hydraulic control two-position four-way valve two ends fast valves of jumping fast, the spool that fast jumping valve can promote the hydraulic control two-position four-way valve is lived double action and is done, thereby adjustment is connected with reverse feedback oil cylinder oil circuit, the piston rod of realization reverse feedback oil cylinder is done straight reciprocating motion, by regulating the flow of adjustable restrictive valve, and adjust the commutating frequency of the piston rod of reverse feedback oil cylinder by reverse feedback oil cylinder and the mutual reverse feedback of changement fast.The oil circuit speed of response of reverse feedback oil cylinder can reach 1250-1350m/s, can realize the high frequency commutation, and frequency range realizes powerful energy output simultaneously by zero to millions of times.This multi-purpose hydraulic negative-feedback pump is formed by dynamical element with by the reverse feedback oil circuit that quick changement and reverse feedback oil cylinder are formed, and the reverse feedback oil circuit can integrate and be integrated type or split type, compact structure, and volume is little, and is rationally distributed, and cost is low.This multi-purpose hydraulic negative-feedback pump serves many purposes, and is used to extract underground crude oil, and beam pumping unit best with present technical performance, oil pumping amount maximum is compared, 20 times of weight savings, day oil pumping amount improves 16 times, and power consumption only accounts for 1/5th of beam pumping unit, good energy-conserving effect, and installation and maintenance are convenient, rate of fault is low, and long service life more helps the exploitation of marine oil field and Desert Oilfields, deep mining, thickened oil recovery also can be used for extracting water, cement slurry and metering pump and use.
Below in conjunction with accompanying drawing specific embodiments of the invention are described in further detail.
Description of drawings
Fig. 1 is the structural representation of multi-purpose hydraulic negative-feedback pump of the present invention.
Fig. 2 is the structural representation of reverse feedback piston assembly.
Fig. 3 is the another kind of structural representation of the power cylinder of multi-purpose hydraulic negative-feedback pump of the present invention.
Embodiment
As Fig. 1, multi-purpose hydraulic negative-feedback pump shown in 2, has the fuel tank 1 that hydraulic oil is housed, be provided with dividing plate 2 in the fuel tank, the fuel tank lower space is divided into two-part, so that the hydraulic oil of return tube output precipitates, the inlet of pump motor group 3 is positioned at dividing plate one side fuel tank, the output tube of pump motor group 3 is connected with one-way valve 5, one-way valve 5 connects pilot operated compound relief valve 6 and manual two position three-way valve 7, the outlet of pilot operated compound relief valve 6 is communicated with fuel tank 1, manually the outlet of two position three-way valve 7 connects adjustable restrictive valve 8, the high pressure oil inlet pipe 9 output high pressure oils that are connected with adjustable restrictive valve 8, the pipeline of return tube 43 is provided with fine cleaner 4, and return tube 43 outlets are positioned at the opposite side fuel tank of Partition board for fuel tank.High pressure oil inlet pipe 9 is communicated with quick changement, and changement and reverse feedback oil cylinder are a monolithic construction fast, also can be split-type structural.Changement is made up of hydraulic control two-position four-way valve and two that the are positioned at hydraulic control two-position four-way valve two ends fast valves of jumping fast; The hydraulic control two-position four-way valve has valve body 11, be provided with spool chamber in the valve body 11, spool 13 is positioned at spool chamber, valve body 11 is provided with that height presses oily oil-feed P mouth and height presses oily oil return O mouth, height presses oily oil-feed P mouth and is connected with high pressure oil inlet pipe 9, height presses oily oil return O mouth and is connected with return tube 43, axial direction is provided with oil-return groove 14 on the inwall at the spool chamber two ends of hydraulic control two-position four-way valve, make spool 13 when being positioned at a side position of spool chamber, keep the spool chamber of spool end to be connected with return tube, resistance to motion when reducing the spool commutation, be positioned on the valve body at spool chamber two ends and be respectively equipped with the fast jumping valve opening 17 that is connected with spool chamber, 44, jump valve 12 soon, 16 are positioned at fast jumping valve opening 17, in 44; The reverse feedback oil cylinder is made of reverse feedback cylinder block and reverse feedback piston assembly 20, the piston-less lumen of reverse feedback oil cylinder is provided with reverse feedback groove 18 and following reverse feedback groove 21 with the cylinder body 19 that the two ends of rod end chamber are arranged, last reverse feedback groove 18 is connected with the fast jumping valve opening 17 of quick changement lower end, following reverse feedback groove 21 is communicated with control oil duct 29, the outlet of control oil duct 29 is communicated with the fast jumping valve opening 44 of quick changement upper end, piston-less lumen upper end sidepiece is communicated with oil cylinder epicoele passage 15, the other end of oil cylinder epicoele passage 15 is communicated with hydraulic control two-position four-way valve A mouth, have rod end chamber lower end sidepiece to be communicated with oil cylinder cavity of resorption passage 28, the other end of oil cylinder cavity of resorption passage 28 is communicated with the B mouth of hydraulic control two-position four-way valve.Reverse feedback piston assembly as shown in Figure 2, have piston 46, piston ring 45 and piston rod 48, the upper and lower end parts of piston has the convex platform 30 and the lower convex platform 47 that can match with upper and lower reverse feedback groove respectively, between the side of upper and lower boss and end face, be respectively equipped with return repairing passage 31,33, in return repairing passage, be provided with one-way valve 32,34.When the upper end portion back that is positioned at piston-less lumen when piston moves downward, because the convex platform end is positioned at reverse feedback groove 18, in last reverse feedback groove 18, formed negative pressure, the high pressure oil of oil cylinder epicoele oil duct 29 can enter in the reverse feedback groove 18 by return repairing passage 31 and one-way valve 32 at this moment, thereby eliminated the reaction force of negative pressure, situation is identical when piston is positioned at the underpart that rod end chamber is arranged.The output terminal of the piston rod of reverse feedback piston assembly is connected with power cylinder, power cylinder has power cylinder cylinder body 22 and power cylinder piston 23, cylinder ends is provided with the enterable suction passage of fluid, be provided with one-way valve 27 in the suction passage, on the power cylinder piston, be provided with the transition passage 24 that can run through the power cylinder piston, establish one-way valve 25 in transition passage 24, power cylinder has the upper end of rod end chamber to be communicated with drain pipe 10.As power cylinder also can be another kind of structure, as shown in Figure 3: the output terminal of the piston rod of reverse feedback piston assembly is connected with power cylinder, power cylinder has power cylinder cylinder body 22, the power cylinder piston, the power cylinder piston is divided into the power cylinder cylinder body rod end chamber and piston-less lumen, be provided with feed pathway 42 and last liquid outlet channel 35 on the power cylinder cylinder body of rod end chamber having, be respectively equipped with one-way valve 41 in last feed pathway 42 and the last liquid outlet channel 35,36, on the power cylinder cylinder body of piston-less lumen, be provided with feed pathway 39 and following liquid outlet channel 37 down, be respectively equipped with one-way valve 40 in following feed pathway 39 and the following liquid outlet channel 37,38, last liquid outlet channel 35 links to each other with drain pipe 10 with following liquid outlet channel 37.
As the present invention, as the output high pressure oil, connect quick changement and reverse feedback oil cylinder with hydraulic station, constitute the reciprocal output kinetic energy of reverse feedback mechanism, all belong to protection domain of the present invention.
Working principle:
Referring to the multi-purpose hydraulic negative-feedback pump structural representation.After 3 startings of pump motor group, power oil is by in the fuel sucking pipe suction pump and pump, P mouth → A mouth through one-way valve 5, manual two position three-way valve 7, adjustable restrictive valve 8, high voltage power oil pipe 9, hydraulic control two-position four-way valve, enter the piston-less lumen of reverse feedback oil cylinder, the liquid that rod end chamber is arranged of reverse feedback oil cylinder flows back to fuel tank 1 through the B of hydraulic control two-position four-way valve mouth → O mouth through return tube 43, oil purifier 4.At this moment, the reverse feedback piston assembly is descending, drives the power cylinder descent of piston simultaneously.The piston-less lumen volume reduces, and feed liquor one-way valve 27 is closed, and has the rod end chamber volume to increase, and fluid one-way valve 25 is opened, and liquid has entered rod end chamber; When the lower convex platform of reverse feedback piston assembly enters the following reverse feedback groove 21 of reverse feedback oil cylinder, following reverse feedback groove 21 inner fluid increased pressure, the fluid that is increased promotes the fast valve 12 of jumping through control oil duct 29, make the commutation of hydraulic control two-position four-way valve, see hydraulic control two-position four-way valve core shown in Figure 1 present position, this moment, high voltage power oil was by P mouth → B mouth, enter the rod end chamber that has of reverse feedback oil cylinder through oil cylinder cavity of resorption oil duct 28, the fluid of piston-rodless is through oil cylinder epicoele passage 15, the A mouth of hydraulic control two-position four-way valve, the O oral groove leads to return tube 43, flow back to fuel tank 1, this moment, piston began up, the piston rod of reverse feedback piston assembly drives the power cylinder piston stroking upward, power cylinder has the volume of rod end chamber to diminish, and has the liquid in the rod end chamber to pump by drain pipe, simultaneously the piston-less lumen feed liquor.When the convex platform of reverse feedback piston assembly enters the last reverse feedback groove 18 of reverse feedback oil cylinder, fluid pressure raises in the last reverse feedback groove 18, thereby promoting fast the jumping on the valve 16 moves, make the commutation of hydraulic control two-position four-way valve, the piston-less lumen of reverse feedback oil cylinder advances high pressure oil, have rod end chamber and return tube to link up, the reverse feedback piston assembly begins descending, goes round and begins again like this liquid is pumped.When system pressure was crossed set pressure, pilot operated compound relief valve 6 was opened off-load, thereby guaranteed security of system.When the pump liquid measure will be transferred greatly or be turned down, only need to rotate adjustable restrictive valve 8 handles and get final product, when not needing pump liquid, promote manual two position three-way valve 7, the fluid that pump motor group 3 is pumped directly flows back to fuel tank through manual two position three-way valve.
Claims (5)
1, a kind of multi-purpose hydraulic negative-feedback pump, have fuel tank, pump motor group, one-way valve, pilot operated compound relief valve, manual two position three-way valve, adjustable restrictive valve, high pressure oil inlet pipe and return tube that hydraulic oil is housed, it is characterized in that: described high pressure oil inlet pipe is communicated with quick changement, and the oil circuit of changement is connected with the oil circuit of reverse feedback oil cylinder fast; Described quick changement is made up of hydraulic control two-position four-way valve and two that the are positioned at hydraulic control two-position four-way valve two ends fast valves of jumping; Described reverse feedback oil cylinder is made of reverse feedback cylinder block and the reverse feedback piston assembly that is positioned at the reverse feedback cylinder cavity; Described hydraulic control two-position four-way valve has valve body, be provided with spool chamber in the valve body, spool is positioned at spool chamber, axial direction is provided with oil-return groove on the inwall at spool chamber two ends, valve body is provided with that height presses oily oil-feed P mouth and height presses oily oil return O mouth, and height presses oily oil-feed P mouth and links to each other with the high pressure oil inlet pipe, and height presses oily oil return O mouth and links to each other with return tube, be positioned on the valve body at spool chamber two ends and be respectively equipped with the fast jumping valve opening that is connected with spool chamber, jump valve soon and be positioned at fast jumping valve opening; The piston-less lumen of described reverse feedback oil cylinder is provided with reverse feedback groove and following reverse feedback groove with the cylinder body that the two ends of rod end chamber are arranged, last reverse feedback groove is connected with the fast jumping valve opening of quick changement lower end, following reverse feedback groove is communicated with the control oil duct, the outlet of control oil duct is communicated with the fast jumping valve opening of quick changement upper end, piston-less lumen upper end sidepiece is communicated with oil cylinder epicoele passage, the other end of oil cylinder epicoele passage is communicated with the A mouth of hydraulic control two-position four-way valve, have rod end chamber lower end sidepiece to be communicated with oil cylinder cavity of resorption passage, the other end of oil cylinder cavity of resorption passage is communicated with hydraulic control two-position four-way valve B mouth.
2, multi-purpose hydraulic negative-feedback pump according to claim 1, it is characterized in that: described reverse feedback piston assembly has piston, piston ring and piston rod, the upper and lower end parts of piston has the convex platform and the lower convex platform that can match with upper and lower reverse feedback groove respectively, between the side of upper and lower boss and end face, be respectively equipped with return repairing passage, in return repairing passage, be provided with one-way valve.
3, multi-purpose hydraulic negative-feedback pump according to claim 1 and 2, it is characterized in that: the output terminal of the piston rod of described reverse feedback piston assembly is connected with power cylinder, power cylinder has power cylinder cylinder body, power cylinder piston, cylinder ends is provided with the enterable suction passage of fluid, be provided with one-way valve in the suction passage, on the power cylinder piston, be provided with the transition passage that can run through the power cylinder piston, establish one-way valve in transition passage, power cylinder has the upper end of rod end chamber to be communicated with drain pipe.
4, multi-purpose hydraulic negative-feedback pump according to claim 1 and 2, it is characterized in that: the output terminal of the piston rod of described reverse feedback piston assembly is connected with power cylinder, power cylinder has the power cylinder cylinder body, the power cylinder piston, be provided with feed pathway and last liquid outlet channel on the power cylinder cylinder body of rod end chamber having, be respectively equipped with one-way valve in last feed pathway and the last liquid outlet channel, on the power cylinder cylinder body of piston-less lumen, be provided with feed pathway and following liquid outlet channel down, be respectively equipped with one-way valve in following feed pathway and the following liquid outlet channel, last liquid outlet channel links to each other with drain pipe with following liquid outlet channel.
5, multi-purpose hydraulic negative-feedback pump according to claim 1 is characterized in that: be provided with dividing plate in the described fuel tank, high pressure oil inlet pipe and return tube place the Partition board for fuel tank both sides respectively, and the outlet of return tube is connected with oil purifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100542005A CN100552218C (en) | 2007-04-06 | 2007-04-06 | Multi-purpose hydraulic negative-feedback pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100542005A CN100552218C (en) | 2007-04-06 | 2007-04-06 | Multi-purpose hydraulic negative-feedback pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101029634A CN101029634A (en) | 2007-09-05 |
| CN100552218C true CN100552218C (en) | 2009-10-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100542005A Expired - Fee Related CN100552218C (en) | 2007-04-06 | 2007-04-06 | Multi-purpose hydraulic negative-feedback pump |
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| CN (1) | CN100552218C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101560965B (en) * | 2008-04-14 | 2014-11-12 | 王全章 | Gravitational potential energy converting device |
| CN101865103B (en) * | 2010-06-23 | 2012-05-30 | 徐正国 | Hydraulic reciprocating water injection pump and using method |
| CN102039884B (en) | 2010-11-26 | 2014-12-03 | 窦兰梅 | Hydraulic anti-locking braking device |
| CN112604141B (en) * | 2021-01-13 | 2022-04-08 | 王海燕 | Auxiliary structure for washing-free disinfectant |
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2007
- 2007-04-06 CN CNB2007100542005A patent/CN100552218C/en not_active Expired - Fee Related
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| CN101029634A (en) | 2007-09-05 |
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Granted publication date: 20091021 Termination date: 20190406 |