CN102913325B - Engine hydraulic energy and power conversion device - Google Patents
Engine hydraulic energy and power conversion device Download PDFInfo
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- CN102913325B CN102913325B CN201210455172.9A CN201210455172A CN102913325B CN 102913325 B CN102913325 B CN 102913325B CN 201210455172 A CN201210455172 A CN 201210455172A CN 102913325 B CN102913325 B CN 102913325B
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- plunger
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- connecting rod
- piston
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Abstract
The invention belongs to the technical field of internal-combustion engine energy conversion, and relates to an engine hydraulic energy and power conversion device. The engine hydraulic energy and power conversion device is characterized in that an oil pan is fixedly arranged on a crank shaft box of a lower machine body, first and second pump bases are respectively fixedly arranged between an air cylinder body and the lower machine body, and the two pump bases are symmetrically arranged on the two sides of a machine body; a working piston, an upper connecting rod, a guide piston and a connecting rod are connected to form a piston connecting rod assembly, and the guide piston is articulated on a small head of the connecting rod; a large head of the connecting rod is connected with a crank pin of a crank shaft, first and second plunger pumps are fixedly arranged between the first and second pump bases, drivers of the two plunger pumps are articulated on a first forked lever pin shaft of the upper connecting rod so as to form a symmetrical drive structure, or, drivers of the two plunger pumps are articulated on the first and second fork rods on the different positions of the upper connecting rods so as to form an asymmetric driving structure; and the crank shaft is fixedly arranged in a crank shaft hole in the lower machine body. The engine hydraulic energy and power conversion device provided by the invention has the advantages that the structure is simple, a principle is reliable, the energy utilization efficient is high, the cost is saved, the power transmission is rapid, and the device is environment-friendly.
Description
Technical field:
The invention belongs to internal-combustion engine energy conversion technique field, relate to a kind of structure of engine interior transformation of energy, particularly a kind of engine liquid pressure energy and power switching device.
Background technique:
At present, for Reciprocating engine, improve dynamic power machine efficiency, not only will improve and set about from the effective efficiency of motor, and should improve aspect mining potentiality at dynamic power machine overall efficiency; Hydraulic free-piston formula motor is exactly a kind of example preferably.But because hydraulic free-piston formula motor exists the problems such as top dead center is unfixing, combustion stability is poor, be difficult to be promoted use always; Although the motor of other similar type can solve the problem that free piston engine exists, but there is the problems such as transmission of power poor reliability, mechanical efficiency be low, how comprehensively to realize the efficient and functional reliability of engine liquid pressure energy and power-converting, by the critical problem that is engine structure improvement technology, adopt many link rod structures, realizing the power transmittance process of efficient power engine internal conversion and reliability, is the novelty technical problem that scientific and technical personnel are inquiring in the industry.
Summary of the invention:
The object of the invention is to overcome the shortcoming that prior art exists, the relevant deficiency existing for making up hydraulic free-piston formula motor and similar motor, utilize multi-link structure, guarantee the reliability that efficient machine internally-powered transfer process and power are transmitted, realize the power output of engine high-efficiency, provide a kind of engine liquid pressure energy and power switching device and seek design.
To achieve these goals, agent structure of the present invention comprises cylinder head, working piston, cylinder block, upper connecting rod, first and second wishbone bearing pin, first and second wishbone, first and second plunger connecting pin, first and second plunger pump, first and second plunger, first and second piston spring, first and second pump housing, first and second pump seat, guide piston, lower body, connecting rod, bent axle and oil sump, by cylinder head, cylinder block, lower body and oil sump mix proportion cylinder block set, cylinder block and lower body are made as integrative-structure, oil sump is fixedly mounted on the crankcase of lower body, forms the cylinder block set structure of sealing up and down, the first pump seat and the second pump seat are fixedly mounted on respectively between cylinder block and lower body, be used for supporting the first plunger pump and the second plunger pump, two pump seats are arranged symmetrically in the both sides of body, and between body, have accurate location, to guarantee the kinematic relation of its positional accuracy and pump plunger, connect to form piston rod part by working piston, upper connecting rod, guide piston and connecting rod, working piston is by wrist pin and upper rod hinge connection, upper connecting rod is fixedly mounted on guide piston, guide piston is hinged on by wrist pin on the microcephaly of connecting rod, the major part of connecting rod is connected on the crank pin of bent axle, the both sides that the first plunger pump and the second plunger pump are arranged in body are fixedly installed between the first pump seat and the second pump seat, its structure composition is same as general plunger pump structure, upper connecting rod is connected with the second wishbone bearing pin, the first plunger connecting pin and the second plunger connecting pin by the first tree binary lorm lever pin axle with the second wishbone by the first wishbone, forms the drive connection of motion, the driving of two plunger pumps is hinged on by the first wishbone and the second wishbone on the first wishbone bearing pin of upper connecting rod and forms symmetrical driving structure, drive two plunger pump mode of operations for working piston down stroke, or be hinged on the first wishbone bearing pin of connecting rod diverse location and the second wishbone bearing pin and form asymmetric driving structure, for the equal drive plunger pump work of the upper and lower stroke of working piston pattern, the linkage structure relation of cylinder head, working piston and cylinder block is with common conventional engine, the linkage structure relation of guide piston, connecting rod, lower body and bent axle is identical with common conventional engine, the first pump seat, the second pump seat, cylinder block and lower body are assembled into one, and form the body combination of motor, bent axle is fixedly installed in the crankshaft hole of lower body, working piston, upper connecting rod, guide piston are connected combination with connecting rod, by the first wishbone bearing pin and the second wishbone bearing pin, the first wishbone and the second wishbone are hinged on upper connecting rod, form piston rod part, by the cylinder hole in cylinder block, link assembly is inserted to the body combination of motor, during insertion, in the time of the first wishbone and the second wishbone forked end arrival pump mounting hole, two wishbones are incorporated in pump mounting hole, the horizontal both sides of the first pump seat and the second pump seat are provided with installation via hole, be used for being connected of auxiliary two wishbones and two plunger connecting pins, according to the positioning requirements of plunger pump, within the first plunger pump and the second plunger pump insert corresponding pump seat, the first plunger connecting pin is connected with the fork of the first wishbone and the second wishbone with the second plunger connecting pin, then fix respectively the first plunger pump and the second plunger pump and the first pump seat and the second pump seat, and the installation via hole of two pump seats of shutoff, the connecting rod of link assembly is installed with traditional motor identical with the cooperation of bent axle, be used for sealing motor top in the upper end of cylinder block fixed installation cylinder head, at lower body bottom fixed installation oil sump, sealing engine bottom, the principle of two plunger pumps is identical with common plunger pump structure principle, and line arrangement is according to the overall structure setting of motor.
Burning working procedure of the present invention is identical with traditional reciprocating piston type four stroke engine, form firing chamber by cylinder head, working piston and cylinder block, the expansive force that burning produces divides two-way to spread out of by upper connecting rod, wherein leading up to the first wishbone and the second wishbone passes to the first plunger pump and the second plunger pump, the guide piston of separately leading up to passes to bent axle, and guide piston and working piston are synchronized with the movement; In the time that plunger pump is symmetrical driving structure, when working piston downward stroke (air-breathing and expansion stroke), first and second wishbone of both sides promotes first and second plunger outward of plunger pump and does horizontal motion, compressor pump inner fluid, output hydraulic pressure energy; In the time of piston stroking upward stroke, first and second plunger of symplex structure both sides resets under the effect of first and second piston spring, and plunger pump is in feed liquor stroke, and when working piston arrives top dead center, this process finishes, and motor often turns once and plunger pump completes once acting; In the time that plunger pump is asymmetric driving structure, when working piston downward stroke (air-breathing and expansion stroke), first wishbone in non-symmetry structure left side promotes the first plunger outward and does horizontal motion, output hydraulic pressure energy; Right side the second plunger resets under the effect of the second piston spring, in feed liquor stroke; In the time of piston stroking upward stroke, first plunger in non-symmetry structure left side resets under the effect of the first piston spring, and first plunger pump in left side is in feed liquor stroke; Second wishbone on right side promotes the second plunger outward and does horizontal motion, compressor pump inner fluid, output hydraulic pressure energy; In the each stroke of motor, all there is a plunger pump in acting, make engine running uniformity better; Start function to be exported as required hydraulic power and the machine power of different proportionings by plunger pump and bent axle.
The present invention compared with prior art, the problems such as free piston type fluid power motor top dead center is unfixing, combustion stability is poor are overcome, and the problem such as the existing power transfer reliability of the motor of other similar type is poor, mechanical efficiency reduction, adopt many link rod structures, realized efficient power engine internal conversion and reliable power transmittance process; It is simple in structure, and principle is reliable, and efficiency of energy utilization is high, saves cost, and transmission of power is fast, environmental friendliness.
Brief description of the drawings:
Fig. 1 is agent structure symplex structure principle schematic of the present invention.
Fig. 2 is agent structure non-symmetry structure principle schematic of the present invention.
Embodiment:
Also be described further by reference to the accompanying drawings below by embodiment.
The agent structure of the present embodiment comprises cylinder head 1, working piston 2, cylinder block 3, upper connecting rod 4, first and second wishbone bearing pin 5 and 25, first and second wishbone 6 and 18, first and second plunger connecting pin 7 and 19, first and second plunger pump 9 and 20, first and second plunger 8 and 23, first and second piston spring 10 and 21, first and second pump housing 11 and 22, first and second pump seat 12 and 24, guide piston 13, lower body 14, connecting rod 15, bent axle 16 and oil sump 17, form cylinder block set by cylinder head 1, cylinder block 3, lower body 14 and oil sump 17, cylinder block 3 and lower body 14 are made as integrative-structure, are arranged in cylinder block 3 as conventional engines cylinder head 1, oil sump 17 is fixedly mounted on the crankcase of lower body 14, forms the body group structure of sealing up and down, the first pump seat 12 and the second pump seat 24 are fixedly mounted on respectively between cylinder block 3 and lower body 14, be used for supporting the first plunger pump 9 and the second plunger pump 20, two pump seats are arranged symmetrically in the both sides of body, and between body, have accurate location, to guarantee the kinematic relation of its positional accuracy and pump plunger, connect to form piston rod part by working piston 2, upper connecting rod 4, guide piston 13 and connecting rod 15, working piston 2 is hinged by wrist pin and upper connecting rod 4, upper connecting rod 4 is fixedly mounted on guide piston 13, guide piston 13 is hinged on by wrist pin on the microcephaly of connecting rod 15, the major part of connecting rod 15 is connected on the crank pin of bent axle 16, the both sides that the first plunger pump 9 and the second plunger pump 20 are arranged in body are fixedly installed between the first pump seat 12 and the second pump seat 24, its structure composition is same as general plunger pump structure, upper connecting rod 4 is connected with the second plunger connecting pin 19 with the second wishbone bearing pin 25, the first plunger connecting pin 7 by the first tree binary lorm lever pin axle 5 with the second wishbone 18 by the first wishbone 6, forms the drive connection of motion, driving first wishbone 6 of two plunger pumps and the second wishbone 18 are hinged on the first wishbone bearing pin 5 of connecting rod 4 and form symmetrical driving structure, as shown in Figure 1, drive two plunger pump mode of operations for working piston 2 down strokes, or be hinged on the first wishbone bearing pin 5 of connecting rod 4 diverse locations and the second wishbone bearing pin 25 and form asymmetric driving structure, as shown in Figure 2, for the equal drive plunger pump work of the upper and lower stroke of working piston 2 pattern, the linkage structure relation of cylinder head 1, working piston 2 and cylinder block 3 is with common conventional engine, the linkage structure relation of guide piston 13, connecting rod 15, lower body 14 and bent axle 16 is same as common conventional engine, the first pump seat 12, the second pump seat 24, cylinder block 3 and lower body 14 are assembled into one, and form the body combination of motor, bent axle 16 is mounted in the crankshaft hole of lower body 14, working piston 2, upper connecting rod 4, guide piston 13 and connecting rod 15 are connected combination, by the first wishbone bearing pin 5 and the second wishbone bearing pin 25, the first wishbone 6 and the second wishbone 18 are hinged on upper connecting rod 4, form piston rod part, by the cylinder hole in cylinder block 3, link assembly is inserted to the body combination of motor, during insertion, in the time of the first wishbone 6 and the second wishbone 18 forked end arrival pump mounting hole, two wishbones are incorporated in pump mounting hole, the horizontal both sides of the first pump seat 12 and the second pump seat 24 are provided with installation via hole, be used for being connected of auxiliary two wishbones and two plunger connecting pins, according to the positioning requirements of plunger pump, within the first plunger pump 9 and the second plunger pump 20 insert corresponding pump seat, the first plunger connecting pin 7 is connected with the fork of the first wishbone 6 and the second wishbone 18 with the second plunger connecting pin 19, then fix respectively the first plunger pump 9 and the second plunger pump 20 and the first pump seat 12 and the second pump seat 24, and the installation via hole of two pump seats of shutoff, the connecting rod 15 of link assembly was installed and is same as traditional motor with coordinating of bent axle 16, seal motor top in the upper end of cylinder block 3 fixed installation cylinder head 1, at lower body 14 bottom fixed installation oil sumps 17, sealing engine bottom, the principle of two plunger pumps is same as common plunger pump structure principle, and line arrangement arranges according to the overall structure of motor.
The present embodiment is in operation process, and link assembly is reciprocating, drives first and second wishbone 6 and 18 motions, promotes plunger and does fluid compression work, and the reset of plunger realizes by piston spring, and the working principle of plunger pump is with common plunger pump; The motion of guide piston 13, connecting rod 15 and the bent axle 16 of link assembly is with the piston rod group of normal reciprocating motor; Motor can be realized simultaneously by plunger pump output hydraulic pressure energy and by bent axle output mechanical energy or mechanical force.
Claims (2)
1. engine liquid pressure energy and a power switching device, is characterized in that agent structure comprises cylinder head, working piston, cylinder block, upper connecting rod, first and second wishbone bearing pin, first and second wishbone, first and second plunger connecting pin, first and second plunger pump, first and second plunger, first and second piston spring, first and second pump housing, first and second pump seat, guide piston, lower body, connecting rod, bent axle and oil sump, by cylinder head, cylinder block, lower body and oil sump mix proportion cylinder block set, cylinder block and lower body are made as integrative-structure, oil sump is fixedly mounted on the crankcase of lower body, forms the cylinder block set structure of sealing up and down, the first pump seat and the second pump seat are fixedly mounted on respectively between cylinder block and lower body, be used for supporting the first plunger pump and the second plunger pump, two pump seats are arranged symmetrically in the both sides of body, and between body, have accurate location, to guarantee the kinematic relation of its positional accuracy and pump plunger, connect to form piston rod part by working piston, upper connecting rod, guide piston and connecting rod, working piston is by wrist pin and upper rod hinge connection, upper connecting rod is fixedly mounted on guide piston, guide piston is hinged on by wrist pin on the microcephaly of connecting rod, the major part of connecting rod is connected on the crank pin of bent axle, the both sides that the first plunger pump and the second plunger pump are arranged in body are fixedly installed between the first pump seat and the second pump seat, its structure composition is same as general plunger pump structure, upper connecting rod is connected with the second wishbone bearing pin, the first plunger connecting pin and the second plunger connecting pin by the first tree binary lorm lever pin axle with the second wishbone by the first wishbone, forms the drive connection of motion, the driving of two plunger pumps is hinged on by the first wishbone and the second wishbone on the first wishbone bearing pin of upper connecting rod and forms symmetrical driving structure, drive two plunger pump mode of operations for working piston down stroke, or be hinged on the first wishbone bearing pin of connecting rod diverse location and the second wishbone bearing pin and form asymmetric driving structure, for the equal drive plunger pump work of the upper and lower stroke of working piston pattern, the linkage structure relation of cylinder head, working piston and cylinder block is with common conventional engine, the linkage structure relation of guide piston, connecting rod, lower body and bent axle is identical with common conventional engine, the first pump seat, the second pump seat, cylinder block and lower body are assembled into one, and form the body combination of motor, bent axle is fixedly installed in the crankshaft hole of lower body, working piston, upper connecting rod, guide piston are connected combination with connecting rod, by the first wishbone bearing pin and the second wishbone bearing pin, the first wishbone and the second wishbone are hinged on upper connecting rod, form piston rod part, by the cylinder hole in cylinder block, link assembly is inserted to the body combination of motor, during insertion, in the time of the first wishbone and the second wishbone forked end arrival pump mounting hole, two wishbones are incorporated in pump mounting hole, the horizontal both sides of the first pump seat and the second pump seat are provided with installation via hole, be used for being connected of auxiliary two wishbones and two plunger connecting pins, according to the positioning requirements of plunger pump, within the first plunger pump and the second plunger pump insert corresponding pump seat, the first plunger connecting pin is connected with the fork of the first wishbone and the second wishbone with the second plunger connecting pin, then fix respectively the first plunger pump and the second plunger pump and the first pump seat and the second pump seat, and the installation via hole of two pump seats of shutoff, the connecting rod of link assembly is installed with traditional motor identical with the cooperation of bent axle, be used for sealing motor top in the upper end of cylinder block fixed installation cylinder head, at lower body bottom fixed installation oil sump, sealing engine bottom, the principle of two plunger pumps is identical with common plunger pump structure principle, and line arrangement is according to the overall structure setting of motor.
2. engine liquid pressure energy according to claim 1 and power switching device, the working procedure that it is characterized in that burning is identical with traditional reciprocating piston type four stroke engine, form firing chamber by cylinder head, working piston and cylinder block, the expansive force that burning produces divides two-way to spread out of by upper connecting rod, wherein leading up to the first wishbone and the second wishbone passes to the first plunger pump and the second plunger pump, the guide piston of separately leading up to passes to bent axle, and guide piston and working piston are synchronized with the movement; In the time that plunger pump is symmetrical driving structure, in the time of working piston downward stroke, first and second wishbone of both sides promotes first and second plunger outward of plunger pump and does horizontal motion, compressor pump inner fluid, output hydraulic pressure energy; In the time of piston stroking upward stroke, first and second plunger of symplex structure both sides resets under the effect of first and second piston spring, and plunger pump is in feed liquor stroke, and when working piston arrives top dead center, this process finishes, and motor often turns once and plunger pump completes once acting; In the time that plunger pump is asymmetric driving structure, in the time of working piston downward stroke, first wishbone in non-symmetry structure left side promotes the first plunger outward and does horizontal motion, output hydraulic pressure energy; Right side the second plunger resets under the effect of the second piston spring, in feed liquor stroke; In the time of piston stroking upward stroke, first plunger in non-symmetry structure left side resets under the effect of the first piston spring, and first plunger pump in left side is in feed liquor stroke; Second wishbone on right side promotes the second plunger outward and does horizontal motion, compressor pump inner fluid, output hydraulic pressure energy; In the each stroke of motor, all there is a plunger pump in acting, make engine running uniformity better; Start function to be exported as required hydraulic power and the machine power of different proportionings by plunger pump and bent axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210455172.9A CN102913325B (en) | 2012-11-13 | 2012-11-13 | Engine hydraulic energy and power conversion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210455172.9A CN102913325B (en) | 2012-11-13 | 2012-11-13 | Engine hydraulic energy and power conversion device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102913325A CN102913325A (en) | 2013-02-06 |
| CN102913325B true CN102913325B (en) | 2014-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210455172.9A Expired - Fee Related CN102913325B (en) | 2012-11-13 | 2012-11-13 | Engine hydraulic energy and power conversion device |
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| CN (1) | CN102913325B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103174510A (en) * | 2013-03-20 | 2013-06-26 | 青岛大学 | Double-power engine with adjustable hydraulic and mechanical power output ratio |
| CN103133133B (en) * | 2013-03-20 | 2015-12-23 | 青岛大学 | A kind of hydraulic pressure and mechanical double-power output device |
| CN106968913B (en) * | 2017-04-19 | 2019-05-21 | 何蛟龙 | A kind of engine directly exports the device of high pressure liquid pressure oil |
| CN111412059B (en) * | 2020-03-20 | 2022-01-14 | 孙劲松 | Internal combustion engine energy recycling structure |
| CN114635791A (en) * | 2022-03-09 | 2022-06-17 | 山东理工大学 | Hinged constraint piston engine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2149483Y (en) * | 1993-02-20 | 1993-12-15 | 赵德成 | Multi-pump hydraulic driven piston engine without crankshaft |
| CN2473340Y (en) * | 2001-04-14 | 2002-01-23 | 青岛大学 | Hydraulic IC engine |
| CN1766298A (en) * | 2004-10-27 | 2006-05-03 | 青岛威能动力有限公司 | Internal combustion type mechanical and fluidic power output method and apparatus therefor |
| CN1789707A (en) * | 2004-12-17 | 2006-06-21 | 青岛威能动力有限公司 | Method and apparatus for converting mechanical energy into fluid pressure energy |
-
2012
- 2012-11-13 CN CN201210455172.9A patent/CN102913325B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2149483Y (en) * | 1993-02-20 | 1993-12-15 | 赵德成 | Multi-pump hydraulic driven piston engine without crankshaft |
| CN2473340Y (en) * | 2001-04-14 | 2002-01-23 | 青岛大学 | Hydraulic IC engine |
| CN1766298A (en) * | 2004-10-27 | 2006-05-03 | 青岛威能动力有限公司 | Internal combustion type mechanical and fluidic power output method and apparatus therefor |
| CN1789707A (en) * | 2004-12-17 | 2006-06-21 | 青岛威能动力有限公司 | Method and apparatus for converting mechanical energy into fluid pressure energy |
Non-Patent Citations (2)
| Title |
|---|
| 刘国庆等.单缸机械-液压约束活塞发动机工作原理与经济性.《现代制造技术与装备》.2009, |
| 单缸机械-液压约束活塞发动机工作原理与经济性;刘国庆等;《现代制造技术与装备》;20090630;2009年第3期，第57-60页 * |
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