CN101787989A - Multi-level piston two-way hydraulic cylinder - Google Patents
Multi-level piston two-way hydraulic cylinder Download PDFInfo
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- CN101787989A CN101787989A CN200910300323A CN200910300323A CN101787989A CN 101787989 A CN101787989 A CN 101787989A CN 200910300323 A CN200910300323 A CN 200910300323A CN 200910300323 A CN200910300323 A CN 200910300323A CN 101787989 A CN101787989 A CN 101787989A
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Abstract
The invention relates to a multi-level piston two-way hydraulic cylinder comprising a cylinder body, wherein the cylinder body comprises a fixed cylinder body and movable cylinder bodies not less than one level; the cylinder body of each level is internally provided with a piston; an uplink cavity is arranged below each piston, and a reverse cavity is arranged above each piston; the lower end of the piston rod is fixed with the piston inside the last-level movable cylinder body together or integrated with the piston inside the last-level movable cylinder body into a whole; the lower end of the last-level movable cylinder body is fixed with the piston inside the next-level movable cylinder body together or integrated with the piston inside the next-level movable cylinder body into a whole and is provided with an uplink oil way on the piston to communicate the uplink cavities of the last-level movable cylinder body and the next-level movable cylinder body; the movable cylinder bodies are provided with reverse oil passages, and upper inlets and upper outlets of the reverse oil passages are communicated with the upper part of the reverse cavities inside the movable cylinder bodies. The invention has reasonable and compact structure, solves the problem that the piston rod of the traditional hydraulic cylinder is limited in extending distance and has slower extending or contracting speed, and can realize the long extending distance and the fast extension or contraction of the piston rod, thereby enhancing the applicability and the performance of the hydraulic cylinder.
Description
One, technical field
The present invention relates to oil hydraulic cylinder, is a kind of multi-level piston two-way hydraulic cylinder.
Two, background technique
At present, oil hydraulic cylinder comprises cylinder body, piston column and piston, generally has only a piston, and make piston stretch out acting by high pressure liquid when stretching out, and when shrinking by conducting oneself with dignity return, so just have following problem: the piston outreach is restricted more, piston stretch out or contraction speed slower.
Three, summary of the invention
The invention provides a kind of multi-level piston two-way hydraulic cylinder, overcome the deficiency of prior art, its piston column outreach restricted less, piston column stretches out or contraction speed is very fast.
Technological scheme of the present invention realizes by following measure: a kind of multi-level piston two-way hydraulic cylinder, it comprises cylinder body, piston column and piston, and cylinder body comprises stationary housing and the active cylinder block that is no less than one-level, piston is all arranged in every grade of cylinder body, the below of each piston is last an actor's rendering of an operatic tune, the top of each piston is reverse chamber, and the piston in the lower end of piston column and the final stage active cylinder block is fixed together or becomes one; Piston in the lower end of final stage active cylinder block and its next stage active cylinder block be fixed together or become one and have on this piston up oil circuit hole will go up lower cylinder body on an actor's rendering of an operatic tune be communicated with; The reverse oil paths is arranged on active cylinder block, and the top import and export of this reverse oil paths communicate with the top, reverse chamber in the active cylinder block, and the bottom import and export of this reverse oil paths communicate with the bottom, reverse chamber outside the active cylinder block; In the connection of the bottom of stationary housing an actor's rendering of an operatic tune connection on the up oil circuit Guan Bingyu is arranged, connecting on the top of stationary housing has the reverse chamber of reverse oil circuit Guan Bingyu to be communicated with.
Be further optimization and/or improvements below to the foregoing invention technological scheme:
Above-mentioned cylinder body can comprise stationary housing and active cylinder block, having only the one-level active cylinder block is the final stage active cylinder block, the lower end of final stage active cylinder block and its next stage active cylinder block be the piston in the stationary housing be fixed together or become one and have on this piston up oil circuit hole will go up lower cylinder body on an actor's rendering of an operatic tune be communicated with.
Perhaps, above-mentioned cylinder body can comprise stationary housing and secondary active cylinder block, and this secondary active cylinder block comprises intermediate active cylinder block and final stage active cylinder block; The lower end of final stage active cylinder block and its next stage active cylinder block be the piston in the intermediate active cylinder block be fixed together or become one and have on this piston up oil circuit hole will go up lower cylinder body on an actor's rendering of an operatic tune be communicated with; Lower end and its next stage active cylinder block of middle rank active cylinder block be the interior piston of stationary housing be fixed together or become one and have on this piston up oil circuit hole will go up lower cylinder body on an actor's rendering of an operatic tune be communicated with.
The reverse oil paths that is no less than two symmetrical distributions can be arranged on above-mentioned active cylinder block.
The reverse oil paths that four symmetrical distributions can be arranged on above-mentioned active cylinder block.
Reasonable and compact in structure of the present invention, solved the problem that the piston column outreach is restricted He piston column stretches out or contraction speed is slower of existing oil hydraulic cylinder, can realize the long of piston column apart from stretching out, and can realize that piston column stretches out fast or shrinks, thereby strengthen the applicability and the performance of oil hydraulic cylinder.
Four, description of drawings
Accompanying drawing 1 is looked the sectional structure schematic representation for the master of the embodiment of the invention 1.
Accompanying drawing 2 is that the A-A of accompanying drawing 1 is to sectional structure.Accompanying drawing 3 is that the B-B of accompanying drawing 1 is to sectional structure.
Accompanying drawing 4 is looked the sectional structure schematic representation for the master of the embodiment of the invention 2.
Accompanying drawing 5 is that the C-C of accompanying drawing 4 is to sectional structure.Accompanying drawing 6 is that the D-D of accompanying drawing 4 is to sectional structure.
Coding in the accompanying drawing is respectively: 1 is piston column, and 2 is stationary housing, and 3 is piston, and 4 is last an actor's rendering of an operatic tune, 5 is reverse chamber, and 6 is the final stage active cylinder block, and 7 is up oil circuit hole, and 8 is the reverse oil paths, 9 is up oil circuit pipe, and 10 is reverse oil circuit pipe, and 11 is intermediate active cylinder block.
Five, embodiment
The present invention is not subjected to following embodiment's restriction, can determine concrete mode of execution according to technological scheme of the present invention and actual conditions.
Below in conjunction with embodiment and accompanying drawing the present invention is further described:
Shown in accompanying drawing 1 to 6, this multi-level piston two-way hydraulic cylinder comprises cylinder body, piston column 1 and piston 3, cylinder body comprises stationary housing 2 and is no less than the active cylinder block of one-level, piston 3 is all arranged in every grade of cylinder body, the below of each piston 3 is last an actor's rendering of an operatic tune 4, the top of each piston 3 is reverse chamber 5, and the piston 3 in the lower end of piston column 1 and the final stage active cylinder block 6 is fixed together or becomes one; Piston 3 in the lower end of final stage active cylinder block 6 and its next stage active cylinder block be fixed together or become one and have on this piston 3 up oil circuit hole 7 will go up lower cylinder body on an actor's rendering of an operatic tune 4 be communicated with; Reverse oil paths 8 is arranged on active cylinder block, and the top import and export of this reverse oil paths 8 communicate with 5 tops, reverse chamber in the active cylinder block, and the bottom import and export of this reverse oil paths 8 communicate with 5 bottoms, reverse chamber outside the active cylinder block; Connecting in the bottom of stationary housing 2 has up oil circuit pipe 9 and is communicated with last an actor's rendering of an operatic tune 4, reverse oil circuit pipe 10 is arranged and is communicated with reverse chamber 5 in the connection of the top of stationary housing 2.
Embodiment 1: shown in accompanying drawing 1 to 3, be with above-mentioned multi-level piston two-way hydraulic cylinder difference: embodiment 1 cylinder body comprises stationary housing 2 and active cylinder block, having only the one-level active cylinder block is final stage active cylinder block 6, and the lower end of final stage active cylinder block 6 and its next stage active cylinder block to be piston 3 in the stationary housing 2 be fixed together or become one and have on this piston 3 up oil circuit hole 7 will go up lower cylinder body on an actor's rendering of an operatic tune 4 be communicated with.Its working procedure is as follows: when needs piston column 1 is up, upwards inject high pressure liquid in an actor's rendering of an operatic tune 4 by up lubricating oil road pipe 9, and oppositely oil circuit pipe 10 is in to effluxing the high pressure liquid state that unloads, thereby makes piston 3 in the stationary housing 2 and the pistons 3 in the final stage active cylinder block 6 all make progress operation and drive piston column 1 stretches out; When needs piston column 1 reverse when descending, in reverse chamber 5, inject high pressure liquid by reverse oil circuit pipe 10, and up lubricating oil road pipe 9 is in to effluxing the high pressure liquid state that unloads, thereby makes all inverted runnings and drive piston column 1 and shrink downwards of piston 3 in the stationary housing 2 and the piston 3 in the final stage active cylinder block 6.
Embodiment 2: shown in accompanying drawing 1 to 6, be with embodiment 1 difference: shown in accompanying drawing 4 to 6, embodiment 2 cylinder body comprises stationary housing 2 and secondary active cylinder block, and this secondary active cylinder block comprises intermediate active cylinder block 11 and final stage active cylinder block 6; The lower end of final stage active cylinder block 6 and its next stage active cylinder block be the piston 3 in the intermediate active cylinder block 11 be fixed together or become one and have on this piston 3 up oil circuit hole 7 will go up lower cylinder body on an actor's rendering of an operatic tune 4 be communicated with; Lower end and its next stage active cylinder block of middle rank active cylinder block 11 be stationary housing 2 interior pistons 3 be fixed together or become one and have on this piston 3 up oil circuit hole 7 will go up lower cylinder body on an actor's rendering of an operatic tune 4 be communicated with.Its working procedure is as follows: when needs piston column 1 is up, upwards inject high pressure liquid in an actor's rendering of an operatic tune 4 by up lubricating oil road pipe 9, and oppositely oil circuit pipe 10 is in to effluxing the high pressure liquid state that unloads, thereby makes piston 3 in the piston 3 in the stationary housing 2, the intermediate active cylinder block 11 and the pistons 3 in the final stage active cylinder block 6 all make progress operation and drive piston column 1 stretches out; When needs piston column 1 reverse when descending, in reverse chamber 5, inject high pressure liquid by reverse oil circuit pipe 10, and up lubricating oil road pipe 9 is in to effluxing the high pressure liquid state that unloads, thereby makes all inverted runnings and drive piston column 1 and shrink downwards of piston 3 in the piston 3 in the stationary housing 2, the intermediate active cylinder block 11 and the piston 3 in the final stage active cylinder block 6.
Can according to actual needs above-mentioned multi-level piston two-way hydraulic cylinder be made further optimization and/or improvements:
The reverse oil paths 8 that is no less than two symmetrical distributions can be arranged on above-mentioned active cylinder block, shown in accompanying drawing 1 to 6, the reverse oil paths 8 of four symmetrical distributions is arranged preferably on active cylinder block.
In the present invention: the progression of active cylinder block is many more, and the distance of stretching out or shrinking of piston column 1 is restricted just few more, and the speed of stretching out or shrinking of piston column 1 is just fast more.
Above technical characteristics has constituted embodiments of the invention, and it has stronger adaptability and preferable implementation result, can increase and decrease non-essential technical characteristics according to actual needs, satisfies the demand of different situations.
Claims (5)
1. multi-level piston two-way hydraulic cylinder, comprise cylinder body, piston column and piston, it is characterized in that cylinder body comprises stationary housing and the active cylinder block that is no less than one-level, piston is all arranged in every grade of cylinder body, the below of each piston is last an actor's rendering of an operatic tune, the top of each piston is reverse chamber, and the piston in the lower end of piston column and the final stage active cylinder block is fixed together or becomes one; Piston in the lower end of final stage active cylinder block and its next stage active cylinder block be fixed together or become one and have on this piston up oil circuit hole will go up lower cylinder body on an actor's rendering of an operatic tune be communicated with; The reverse oil paths is arranged on active cylinder block, and the top import and export of this reverse oil paths communicate with the top, reverse chamber in the active cylinder block, and the bottom import and export of this reverse oil paths communicate with the bottom, reverse chamber outside the active cylinder block; In the connection of the bottom of stationary housing an actor's rendering of an operatic tune connection on the up oil circuit Guan Bingyu is arranged, connecting on the top of stationary housing has the reverse chamber of reverse oil circuit Guan Bingyu to be communicated with.
2. multi-level piston two-way hydraulic cylinder according to claim 1, it is characterized in that cylinder body comprises stationary housing and active cylinder block, having only the one-level active cylinder block is the final stage active cylinder block, the lower end of final stage active cylinder block and its next stage active cylinder block be the piston in the stationary housing be fixed together or become one and have on this piston up oil circuit hole will go up lower cylinder body on an actor's rendering of an operatic tune be communicated with.
3. multi-level piston two-way hydraulic cylinder according to claim 1 is characterized in that cylinder body comprises stationary housing and secondary active cylinder block, and this secondary active cylinder block comprises intermediate active cylinder block and final stage active cylinder block; The lower end of final stage active cylinder block and its next stage active cylinder block be the piston in the intermediate active cylinder block be fixed together or become one and have on this piston up oil circuit hole will go up lower cylinder body on an actor's rendering of an operatic tune be communicated with; Lower end and its next stage active cylinder block of middle rank active cylinder block be the interior piston of stationary housing be fixed together or become one and have on this piston up oil circuit hole will go up lower cylinder body on an actor's rendering of an operatic tune be communicated with.
4. according to claim 1 or 2 or 3 described multi-level piston two-way hydraulic cylinders, it is characterized in that having on the active cylinder block reverse oil paths that is no less than two symmetrical distributions.
5. multi-level piston two-way hydraulic cylinder according to claim 4 is characterized in that having on the active cylinder block reverse oil paths of four symmetrical distributions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910300323A CN101787989A (en) | 2009-01-23 | 2009-01-23 | Multi-level piston two-way hydraulic cylinder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910300323A CN101787989A (en) | 2009-01-23 | 2009-01-23 | Multi-level piston two-way hydraulic cylinder |
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| CN101787989A true CN101787989A (en) | 2010-07-28 |
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| CN200910300323A Pending CN101787989A (en) | 2009-01-23 | 2009-01-23 | Multi-level piston two-way hydraulic cylinder |
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| CN105020194A (en) * | 2015-08-14 | 2015-11-04 | 苏州科润织造有限公司 | Telescopic hydraulic cylinder for spinning |
| CN105035775A (en) * | 2013-07-29 | 2015-11-11 | 朱海燕 | Working method of unburned brick stacking device for conducting stacking operation through robot |
| CN105082323A (en) * | 2013-07-29 | 2015-11-25 | 蒋红娟 | Automatic feeding machine of full-automatic hydraulic forming machine for stacking operation |
| CN105156548A (en) * | 2013-07-29 | 2015-12-16 | 朱海燕 | Full-automatic hydraulic molding machine controlled by processor |
| CN105173736A (en) * | 2015-10-12 | 2015-12-23 | 航天长征化学工程股份有限公司 | Powder pressurizing and conveying device, system and method |
| CN105173575A (en) * | 2013-07-29 | 2015-12-23 | 蒋红娟 | Working method for automatic feed machine of hydro-forming brick making machine of stacking robot |
| CN105201955A (en) * | 2015-11-03 | 2015-12-30 | 杭州启澄科技有限公司 | Compact compression cylinder |
| CN105236093A (en) * | 2013-07-29 | 2016-01-13 | 蒋红娟 | Automatic feeding machine for full-automatic hydraulic forming machine for hollow blocks and bricks |
| CN105805300A (en) * | 2014-12-31 | 2016-07-27 | 唐冬寒 | Multifunctional efficient pneumatic-hydraulic actuator |
| CN107355450A (en) * | 2017-09-05 | 2017-11-17 | 烟台未来自动装备有限责任公司 | Four controllable hydraulic fluid port two-stage double acting hydraulic cylinders of a kind of sequence of movement |
| CN113681082A (en) * | 2021-07-30 | 2021-11-23 | 佛山市信新瀚家居科技有限公司 | Section bar cutting equipment |
| CN113969917A (en) * | 2021-10-26 | 2022-01-25 | 马庆国 | Multistage hydraulic cylinder |
| CN113969916A (en) * | 2021-10-26 | 2022-01-25 | 马庆国 | Low-pressure-maintaining multi-stage hydraulic cylinder |
| CN113969915A (en) * | 2021-10-26 | 2022-01-25 | 马庆国 | Multistage hydraulic cylinder capable of improving bearing capacity |
| CN114484167A (en) * | 2022-01-20 | 2022-05-13 | 呼少平 | Stable supporting structure for large fully mechanized mining equipment of coal mine field |
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2009
- 2009-01-23 CN CN200910300323A patent/CN101787989A/en active Pending
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| CN105257775A (en) * | 2013-07-29 | 2016-01-20 | 朱海燕 | Full-automatic hydraulic forming machine controlled through processor |
| CN105156564A (en) * | 2013-07-29 | 2015-12-16 | 朱海燕 | Working method for green brick stacking device capable of doing work through robot |
| CN105059952A (en) * | 2013-07-29 | 2015-11-18 | 朱海燕 | Working method of adobe stacking device for working by robot |
| CN105084015A (en) * | 2013-07-29 | 2015-11-25 | 朱海燕 | Working method of green brick stacking device adopting stacking operation robot |
| CN105084013A (en) * | 2013-07-29 | 2015-11-25 | 朱海燕 | Green brick stacking device with robot for stacking operation |
| CN105082323A (en) * | 2013-07-29 | 2015-11-25 | 蒋红娟 | Automatic feeding machine of full-automatic hydraulic forming machine for stacking operation |
| CN105109937A (en) * | 2013-07-29 | 2015-12-02 | 蒋红娟 | Automatic feeding machine of full-automatic hydraulic molding machine for stacking operation, and working method of automatic feeding machine |
| CN105110020A (en) * | 2013-07-29 | 2015-12-02 | 朱海燕 | Green brick stacking device adopting stacking robot |
| CN105156548A (en) * | 2013-07-29 | 2015-12-16 | 朱海燕 | Full-automatic hydraulic molding machine controlled by processor |
| CN105035775A (en) * | 2013-07-29 | 2015-11-11 | 朱海燕 | Working method of unburned brick stacking device for conducting stacking operation through robot |
| CN105370788A (en) * | 2013-07-29 | 2016-03-02 | 朱海燕 | Fully-automatic hydraulic molding machine used for bricks and controlled by processor |
| CN105173575A (en) * | 2013-07-29 | 2015-12-23 | 蒋红娟 | Working method for automatic feed machine of hydro-forming brick making machine of stacking robot |
| CN105236093A (en) * | 2013-07-29 | 2016-01-13 | 蒋红娟 | Automatic feeding machine for full-automatic hydraulic forming machine for hollow blocks and bricks |
| CN105257774A (en) * | 2013-07-29 | 2016-01-20 | 朱海燕 | Full-automatic hydraulic hollow block and brick forming machine controlled through processor |
| CN105253556A (en) * | 2013-07-29 | 2016-01-20 | 蒋红娟 | Automatic feeding machine of full-automatic hydraulic forming machine |
| CN105805300A (en) * | 2014-12-31 | 2016-07-27 | 唐冬寒 | Multifunctional efficient pneumatic-hydraulic actuator |
| CN105805300B (en) * | 2014-12-31 | 2018-11-16 | 唐冬寒 | Multifunctional efficient air-or liquid-operated device |
| CN105020194A (en) * | 2015-08-14 | 2015-11-04 | 苏州科润织造有限公司 | Telescopic hydraulic cylinder for spinning |
| CN105173736A (en) * | 2015-10-12 | 2015-12-23 | 航天长征化学工程股份有限公司 | Powder pressurizing and conveying device, system and method |
| CN105201955B (en) * | 2015-11-03 | 2016-08-17 | 温州泓呈祥科技有限公司 | A kind of compact compression cylinder |
| CN105201955A (en) * | 2015-11-03 | 2015-12-30 | 杭州启澄科技有限公司 | Compact compression cylinder |
| CN107355450A (en) * | 2017-09-05 | 2017-11-17 | 烟台未来自动装备有限责任公司 | Four controllable hydraulic fluid port two-stage double acting hydraulic cylinders of a kind of sequence of movement |
| CN113681082A (en) * | 2021-07-30 | 2021-11-23 | 佛山市信新瀚家居科技有限公司 | Section bar cutting equipment |
| CN113969915A (en) * | 2021-10-26 | 2022-01-25 | 马庆国 | Multistage hydraulic cylinder capable of improving bearing capacity |
| CN113969917A (en) * | 2021-10-26 | 2022-01-25 | 马庆国 | Multistage hydraulic cylinder |
| CN113969916A (en) * | 2021-10-26 | 2022-01-25 | 马庆国 | Low-pressure-maintaining multi-stage hydraulic cylinder |
| CN114484167B (en) * | 2022-01-20 | 2023-08-18 | 呼少平 | Stable supporting structure for large fully-mechanized coal mining equipment in coal mine |
| CN114484167A (en) * | 2022-01-20 | 2022-05-13 | 呼少平 | Stable supporting structure for large fully mechanized mining equipment of coal mine field |
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Application publication date: 20100728 |