CN104481936A - Automatic reversing hydraulic machinery - Google Patents
Automatic reversing hydraulic machinery Download PDFInfo
- Publication number
- CN104481936A CN104481936A CN201410468133.1A CN201410468133A CN104481936A CN 104481936 A CN104481936 A CN 104481936A CN 201410468133 A CN201410468133 A CN 201410468133A CN 104481936 A CN104481936 A CN 104481936A
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- China
- Prior art keywords
- piston
- cylinder body
- valve pocket
- resorption
- power output
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000012530 fluid Substances 0.000 claims description 10
- 230000035939 shock Effects 0.000 claims description 3
- 238000005457 optimization Methods 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 7
- 230000017105 transposition Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B3/00—Intensifiers or fluid-pressure converters, e.g. pressure exchangers; Conveying pressure from one fluid system to another, without contact between the fluids
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Driven Valves (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses automatic reversing hydraulic machinery. The automatic reversing hydraulic machinery comprises an outer cylinder, an upper cylinder, a lower cylinder, an upper piston, a lower piston, a piston rod, a power output rod sleeve, a power output rod, a reversing valve, a valve sleeve and a flow rate control switch. An optimization research is conducted on the basis of a hydromechanics principle, a hydraulic power structural design theory and numerical modeling, so that the performance of the automatic reversing hydraulic machinery is more stable than the performance of turbo type machinery or screw type machinery; a double-piston structure is adopted, so that the power is relatively strong; and because jet flow components and other expensive and easily damaged components are not adopted, the service life is prolonged, and the cost is low.
Description
Technical field
The present invention relates to a kind of pressurized machine, be specifically related to a kind of automatic reverse hydraulic machinery, be applied to the industries such as building, environmental protection, such as, drive cement squeezing equipment, hydraulic booster pump etc.
Background technique
At present, existing automatic reverse hydraulic machinery relies on the mode such as electronic control, rotary valve jet original paper to realize mostly, and these model machines all in advanced development, and have the problems such as workpiece pressure drop is high, core component easily lost efficacy, and operating life is short.
The present invention utilizes a complete piston and semi-open piston to achieve to-and-fro motion at hydraulic machinery cleverly, has features such as being applicable to bad environments, hydraulic efficiency is high, not fragile.
Summary of the invention
For the problems referred to above, the object of this invention is to provide a kind of automatic reverse hydraulic machinery.
For achieving the above object, the invention provides a kind of automatic reverse hydraulic machinery, it comprises outer cylinder body, upper cylinder body, lower cylinder body, upper piston, lower piston, piston rod, power output rod cover, power output rod, selector valve, valve pocket and flow control switch, it is characterized in that, described upper cylinder body and described lower cylinder body are coaxial to be respectively arranged on inside described outer cylinder body, and described upper cylinder body is arranged on the top of described lower cylinder body, the bottom being arranged on described lower cylinder body that described power output rod cover one is fixing, described upper piston is arranged in described upper cylinder body, described lower piston is arranged in described lower cylinder body, described upper piston and described lower piston are linked into an integrated entity by described piston rod, described piston rod inner is provided with one section of center flow channels vertically, the upper end of described piston rod has through hole in the center flow channels that communicates with described center flow channels, the lower end of described piston rod has the center flow channels lower through-hole communicated with described center flow channels, described power output rod is arranged in described power output rod cover, the upper end of described power output rod is fixedly connected with the bottom of described lower piston, the lower end of described power output rod arranges clutch end, described selector valve is slidably set on described piston rod, described valve pocket is set in outside described selector valve, described flow control switch-linear hybrid is in the upside of described valve pocket, the bottom of described valve pocket is provided with valve pocket lower through-hole, the top of described lower cylinder body is provided with lower piston cylinder upper outlet, described flow control switch is linked up mutually with described valve pocket lower through-hole and described lower piston cylinder upper outlet, described valve pocket is provided with low pressure runner away from the side of described S/CO, the bottom of described upper cylinder body is provided with upper piston cavity of resorption ditch passage flow duct, described valve pocket is provided with valve pocket discharge opeing road, upper piston cavity of resorption discharge opeing road is provided with between described selector valve and described valve pocket, described upper piston cavity of resorption ditch passage flow duct is linked up with described low pressure runner with described valve pocket discharge opeing road mutually by described upper piston cavity of resorption discharge opeing road.
Further, upper piston cavity of resorption is formed between described upper piston bottom and described upper cylinder body, lower piston epicoele is formed between described lower piston top and lower cylinder body, described selector valve upper end is provided with selector valve upper end cap, described selector valve lower end is provided with selector valve lower end cap, described selector valve upper end cap is arranged in described upper piston cavity of resorption, and described selector valve lower end cap is arranged in described lower piston epicoele.
Further, the upper end of described valve pocket is provided with high pressure runner.
Further, as preferably, be provided with a lower piston anticollison block on the top of described lower piston, during to ensure shock, directly do not damage lower piston.
Further, also fan groove is formed with between described selector valve and described valve pocket, close described upper piston cavity of resorption and described valve pocket discharge opeing road when described upper piston and described lower piston move to lower dead centre, link up upper piston cavity of resorption and described valve pocket discharge opeing road when upper piston and lower piston move to upper dead center.
Further, described clutch end can propulsion power liquid or other mechanical structure.
Operationally, its working principle is as follows in the present invention:
1, during reset stroke, upper piston epicoele, upper piston cavity of resorption, lower piston cavity of resorption and high-pressure liquid are linked up, and lower piston epicoele and low pressure runner are linked up, and promote upper piston, lower piston and power output rod and reset.
2, during expansion stroke, upper piston cavity of resorption, lower piston cavity of resorption and low pressure runner are linked up, and upper piston epicoele and lower piston epicoele and high pressure runner are linked up, and pressure reduction promotes upper piston, lower piston and power output rod and runs downwards, outputting power.
3, when upper piston, lower piston move to lowermost end, transposition valve is placed in A valve position: high-pressure liquid will flow into from high pressure runner, fan groove flows into upper piston cavity of resorption, and flows into lower piston cavity of resorption by center flow channels, and upper piston cavity of resorption is contacted with high-pressure liquid with lower piston cavity of resorption; Meanwhile, because the outlet of lower piston epicoele is unexpected and low pressure runner is linked up, so flow control switch can cut out under moment high-velocity fluid effect, and the fluid of lower piston epicoele will enter discharge opeing road from lower piston epicoele outlet flow path lower through-hole, and then drain into low pressure runner.
4, when piston movement is to top, transposition valve is placed in B valve position: the fluid of upper piston cavity of resorption is linked up by upper piston cavity of resorption discharge opeing road and low pressure runner; Meanwhile, the fluid of lower piston cavity of resorption can flow into upper piston cavity of resorption by center flow channels, and enters lowpressure stream road; Owing to now having started to enter expansion stroke, and lower piston epicoele cuts off with low pressure runner, and therefore high-pressure spray is known from experience with certain speed inflow lower piston epicoele, and this speed can not make flow control switch close.
The present invention is owing to taking above technological scheme, and it has the following advantages:
1, the problems such as fluid mechanics principle, hydraulic structure design theory and numerical simulation that the present invention is based on are optimized research, therefore performance comparatively turbo type and screw type more stable.
2, the present invention is owing to adopting bipolar piston structure, and therefore power is stronger.
3, the present invention is not owing to adopting the costlinesses such as jet original paper and easy loss parts, and therefore the life-span is long, cost is low.
Accompanying drawing explanation
Fig. 1 is the structural representation of two-piston this automatic reverse hydraulic machinery when moving to A valve position;
Fig. 2 is the structural representation that two-piston moves to B valve position this automatic reverse hydraulic machinery constantly;
In figure: 1, upper cylinder body, 2, upper piston, 3, through hole in center flow channels, 4, selector valve, 5, selector valve upper end cap, 6, center flow channels, 7, piston rod, 8, high pressure runner, 9, flow control switch, 10, valve pocket lower through-hole, 11, lower piston cylinder upper outlet, 12, selector valve lower end cap, 13, piston anticollison block, 14, lower piston, 15, center flow channels lower through-hole, 16, power output rod cover, 17, power output rod, 18, clutch end, 20, upper piston epicoele, 21, upper piston cavity of resorption, 22, upper piston cavity of resorption ditch passage flow duct, 23, upper piston cavity of resorption discharge opeing road, 24, fan groove, 25, valve pocket, 26, valve pocket discharge opeing road, 27, low pressure runner, 28, lower piston epicoele, 29, lower piston cavity of resorption, 30, outer cylinder body.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described.
As shown in Figure 1, the invention provides a kind of automatic reverse hydraulic machinery, it comprises outer cylinder body 30, upper cylinder body 1, lower cylinder body, upper piston 2, lower piston 14, piston rod 7, power output rod cover 16, power output rod 17, selector valve 4, valve pocket 25 and flow control switch 9, upper cylinder body 1 and lower cylinder body are coaxial to be respectively arranged on inside outer cylinder body 30, and upper cylinder body 1 is arranged on the top of lower cylinder body, the bottom being arranged on lower cylinder body that power output rod cover 16 one is fixing, upper piston 2 is arranged in upper cylinder body 1, lower piston 14 is arranged in lower cylinder body, upper piston 2 and lower piston 14 are linked into an integrated entity by piston rod 7, piston rod 7 inside is provided with one section of center flow channels 6 vertically, the upper end of piston rod 7 has through hole 3 in the center flow channels that communicates with center flow channels 6, the lower end of piston rod 7 has the center flow channels lower through-hole 15 communicated with center flow channels 6, power output rod 17 is arranged in power output rod cover 16, the upper end of power output rod 17 is fixedly connected with the bottom of lower piston 14, the lower end of power output rod 17 is provided with clutch end 18, selector valve 4 is slidably set on piston rod 7, valve pocket 25 is set in outside selector valve 4, flow control switch 9 is arranged on the upside of valve pocket 25, the bottom of valve pocket 25 is provided with valve pocket lower through-hole 10, the top of lower cylinder body is provided with lower piston cylinder upper outlet 11, flow control switch 9 is linked up with valve pocket lower through-hole 10 and lower piston cylinder upper outlet 11 phase, valve pocket 25 is provided with low pressure runner 27 away from the side of S/CO 9, the bottom of upper cylinder body 1 is provided with upper piston cavity of resorption ditch passage flow duct 22, valve pocket 25 is provided with valve pocket discharge opeing road 26, upper piston cavity of resorption discharge opeing road 23 is provided with between selector valve 4 and valve pocket 25, upper piston cavity of resorption ditch passage flow duct 22 is linked up with low pressure runner 27 with valve pocket discharge opeing road 26 mutually by upper piston cavity of resorption discharge opeing road 23.
In the present embodiment, upper piston cavity of resorption 21 is formed between upper piston 2 bottom and upper cylinder body 1, lower piston epicoele 28 is formed between the top of lower piston 14 and lower cylinder body, selector valve 4 upper end is provided with selector valve upper end cap 5, selector valve lower end is provided with selector valve lower end cap 12, selector valve upper end cap 5 is arranged in upper piston cavity of resorption 21, and selector valve lower end cap 12 is arranged in lower piston epicoele 28; The upper end of valve pocket 25 is provided with high pressure runner 8.
Be provided with a lower piston anticollison block 13 on the top of lower piston 14, during to ensure shock, directly do not damage lower piston 14.
Fan groove 24 is also formed between selector valve 4 and valve pocket 25, close upper piston cavity of resorption 21 and valve pocket discharge opeing road 26 when upper piston 2 and lower piston 14 move to lower dead centre, link up upper piston cavity of resorption 21 and valve pocket discharge opeing road 26 when upper piston 2 and lower piston 14 move to upper dead center.
Operationally, its working principle is as follows in the present invention:
1, during reset stroke, upper piston epicoele 20, upper piston cavity of resorption 21, lower piston cavity of resorption 29 are linked up with high-pressure liquid, and lower piston epicoele 28 and low pressure runner 27 are linked up, and promote upper piston 2, lower piston 14 and power output rod 17 and reset.
2, during expansion stroke, upper piston cavity of resorption 21, lower piston cavity of resorption 29 are linked up with low pressure runner 27, and upper piston epicoele 20 and lower piston epicoele 28 are linked up with high pressure runner 8, and pressure reduction promotes upper piston 2, lower piston 14 and power output rod 17 and runs downwards, outputting power.
3, when upper piston 2, lower piston 14 move to lowermost end, transposition valve 4 is placed in A valve position: high-pressure liquid will flow into from high pressure runner 8, fan groove 24 flows into upper piston cavity of resorption, and flow into lower piston cavity of resorption 29 by center flow channels 6, upper piston cavity of resorption 21 is contacted with high-pressure liquid with lower piston cavity of resorption 29; Meanwhile, because lower piston epicoele outlet 11 is unexpected and low pressure runner 27 is linked up, so flow control switch 9 can cut out under moment high-velocity fluid effect, and the fluid of lower piston epicoele 28 will flow through valve pocket lower through-hole 10 enter valve pocket discharge opeing road 26 from lower piston epicoele outlet 11, and then drain into low pressure runner 27.
4, when piston movement is to top, transposition valve 4 is placed in B valve position: the fluid of upper piston cavity of resorption 21 is linked up by upper piston cavity of resorption discharge opeing road 23 and low pressure runner 27; Meanwhile, the fluid of lower piston cavity of resorption 29 can flow into upper piston cavity of resorption 21 by center flow channels 6, and enters lowpressure stream road 27; Owing to now having started to enter expansion stroke, and lower piston epicoele 28 cuts off with low pressure runner 27, and therefore high-pressure spray is known from experience with certain speed inflow lower piston epicoele 28, and this speed can not make flow control switch 9 close.
Claims (5)
1. an automatic reverse hydraulic machinery, it comprises outer cylinder body, upper cylinder body, lower cylinder body, upper piston, lower piston, piston rod, power output rod cover, power output rod, selector valve, valve pocket and flow control switch, it is characterized in that, described upper cylinder body and described lower cylinder body are coaxial to be respectively arranged on inside described outer cylinder body, and described upper cylinder body is arranged on the top of described lower cylinder body, the bottom being arranged on described lower cylinder body that described power output rod cover one is fixing, described upper piston is arranged in described upper cylinder body, described lower piston is arranged in described lower cylinder body, described upper piston and described lower piston are linked into an integrated entity by described piston rod, described piston rod inner is provided with one section of center flow channels vertically, the upper end of described piston rod has through hole in the center flow channels that communicates with described center flow channels, the lower end of described piston rod has the center flow channels lower through-hole communicated with described center flow channels, described power output rod is arranged in described power output rod cover, the upper end of described power output rod is fixedly connected with the bottom of described lower piston, the lower end of described power output rod is provided with clutch end, described selector valve is slidably set on described piston rod, described valve pocket is set in outside described selector valve, described flow control switch-linear hybrid is in the upside of described valve pocket, the bottom of described valve pocket is provided with valve pocket lower through-hole, the top of described lower cylinder body is provided with lower piston cylinder upper outlet, described flow control switch is linked up mutually with described valve pocket lower through-hole and described lower piston cylinder upper outlet, described valve pocket is provided with low pressure runner away from the side of described S/CO, the bottom of described upper cylinder body is provided with upper piston cavity of resorption ditch passage flow duct, described valve pocket is provided with valve pocket discharge opeing road, upper piston cavity of resorption discharge opeing road is provided with between described selector valve and described valve pocket, described upper piston cavity of resorption ditch passage flow duct is linked up with described low pressure runner with described valve pocket discharge opeing road mutually by described upper piston cavity of resorption discharge opeing road, be provided with a lower piston anticollison block on the top of described lower piston, during to ensure shock, directly do not damage lower piston.
2. a kind of automatic reverse hydraulic machinery according to claim 1, it is characterized in that, upper piston cavity of resorption is formed between described upper piston bottom and described upper cylinder body, lower piston epicoele is formed between described lower piston top and lower cylinder body, described selector valve upper end is provided with selector valve upper end cap, described selector valve lower end is provided with selector valve lower end cap, described selector valve upper end cap is arranged in described upper piston cavity of resorption, and described selector valve lower end cap is arranged in described lower piston epicoele.
3. a kind of automatic reverse hydraulic machinery according to claim 1, is characterized in that, the upper end of described valve pocket is provided with high pressure runner.
4. a kind of automatic reverse hydraulic machinery according to claim 1, it is characterized in that, also fan groove is formed with between described selector valve and described valve pocket, close described upper piston cavity of resorption and described valve pocket discharge opeing road when described upper piston and described lower piston move to lower dead centre, link up upper piston cavity of resorption and described valve pocket discharge opeing road when upper piston and lower piston move to upper dead center.
5. a kind of automatic reverse hydraulic machinery according to claim 1, is characterized in that, described clutch end can directly by energy transferring to power fluid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410468133.1A CN104481936B (en) | 2014-09-15 | 2014-09-15 | Automatic reversing hydraulic machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410468133.1A CN104481936B (en) | 2014-09-15 | 2014-09-15 | Automatic reversing hydraulic machinery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104481936A true CN104481936A (en) | 2015-04-01 |
| CN104481936B CN104481936B (en) | 2017-01-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410468133.1A Expired - Fee Related CN104481936B (en) | 2014-09-15 | 2014-09-15 | Automatic reversing hydraulic machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104481936B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111561260A (en) * | 2020-05-21 | 2020-08-21 | 湖南文理学院 | Axial reversing rock drilling device with small structure |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0777205A (en) * | 1993-09-10 | 1995-03-20 | Shin Caterpillar Mitsubishi Ltd | Booster device |
| CN1103703A (en) * | 1994-08-23 | 1995-06-14 | 刘恩兆 | Hydraulic automatic control high pressure reciprocating pump |
| CN2639592Y (en) * | 2003-07-29 | 2004-09-08 | 广东泓利机器有限公司 | Internal circulation oil cylinder of logical valve piston |
| CN1811205A (en) * | 2006-02-16 | 2006-08-02 | 袁华梓 | Supercharging oil cylinder |
| CN101787858A (en) * | 2010-03-04 | 2010-07-28 | 中国石油大学(华东) | Underground drill stem vibration damping and pressurizing device |
| CN202301232U (en) * | 2011-09-19 | 2012-07-04 | 宁波汉商液压有限公司 | Double-effect reciprocating hydraulic pressure booster |
| CN102562686A (en) * | 2010-12-08 | 2012-07-11 | 西安众智惠泽光电科技有限公司 | Hydraulic system for double-acting supercharger |
| CN204284030U (en) * | 2014-09-15 | 2015-04-22 | 薛亮 | A kind of automatic reverse hydraulic machinery |
-
2014
- 2014-09-15 CN CN201410468133.1A patent/CN104481936B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0777205A (en) * | 1993-09-10 | 1995-03-20 | Shin Caterpillar Mitsubishi Ltd | Booster device |
| CN1103703A (en) * | 1994-08-23 | 1995-06-14 | 刘恩兆 | Hydraulic automatic control high pressure reciprocating pump |
| CN2639592Y (en) * | 2003-07-29 | 2004-09-08 | 广东泓利机器有限公司 | Internal circulation oil cylinder of logical valve piston |
| CN1811205A (en) * | 2006-02-16 | 2006-08-02 | 袁华梓 | Supercharging oil cylinder |
| CN101787858A (en) * | 2010-03-04 | 2010-07-28 | 中国石油大学(华东) | Underground drill stem vibration damping and pressurizing device |
| CN102562686A (en) * | 2010-12-08 | 2012-07-11 | 西安众智惠泽光电科技有限公司 | Hydraulic system for double-acting supercharger |
| CN202301232U (en) * | 2011-09-19 | 2012-07-04 | 宁波汉商液压有限公司 | Double-effect reciprocating hydraulic pressure booster |
| CN204284030U (en) * | 2014-09-15 | 2015-04-22 | 薛亮 | A kind of automatic reverse hydraulic machinery |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111561260A (en) * | 2020-05-21 | 2020-08-21 | 湖南文理学院 | Axial reversing rock drilling device with small structure |
| CN111561260B (en) * | 2020-05-21 | 2021-09-10 | 湖南文理学院 | Axial reversing rock drilling device with small structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104481936B (en) | 2017-01-25 |
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Granted publication date: 20170125 |