CN103925255A - Serial connection allowable hydraulic cylinder and serial connection usage method - Google Patents
Serial connection allowable hydraulic cylinder and serial connection usage method Download PDFInfo
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- CN103925255A CN103925255A CN201310014044.5A CN201310014044A CN103925255A CN 103925255 A CN103925255 A CN 103925255A CN 201310014044 A CN201310014044 A CN 201310014044A CN 103925255 A CN103925255 A CN 103925255A
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Abstract
The invention relates to a serial connection allowable hydraulic cylinder and a serial connection usage method, in particular to a rotatable hydraulic cylinder and a usage method for serially connecting a plurality of hydraulic cylinders to share one oil pump, one motor and one control circuit. The serial connection allowable hydraulic cylinder and the serial connection usage method are particularly suitable for a solar sunshine tracker. The serial connection allowable hydraulic cylinder is composed of a right hydraulic chamber 1, a rotary piston 2, a cylinder body 3, a right oil inlet-outlet port 4, a hydraulic cylinder fixing seat 5, a hydraulic system 6, an oil pipe 7, a left oil inlet-outlet port 8, a left and right hydraulic chamber isolating seal ring 13, a right end cover 14, a left end cover 15, a double-way pressure limiting valve 16, a left and right hydraulic cylinder volume balance shaft 17, a left oil inlet-outlet port 18, a hydraulic cylinder fixing seat 19 and a right oil inlet-outlet port 20, and then the plurality of serial connection allowable hydraulic cylinders are in series connection to share the oil pump, the motor and the control circuit so as to save costs.
Description
Technical field: the oil hydraulic cylinder and the series connection using method that the present invention relates to connect and use, the oil hydraulic cylinder that particularly can rotatablely move, and the using method that a plurality of oil hydraulic cylinder series connection is shared to an oil pump, a motor, a control circuit, particularly suitable solar sunlight tracker, belongs to hydraulic machinery and Application of Solar Energy field.
Technical background: oil hydraulic cylinder in the market only has straight-line oil hydraulic cylinder, and each oil hydraulic cylinder needs a set of oil pump, motor, control circuit to be used in conjunction with, oil hydraulic cylinder could move on request, and some occasions needs a lot of oil hydraulic cylinders do same motion, if sharing a set of oil pump, motor, control circuit, these oil hydraulic cylinders will save a lot of costs.As solar electrical energy generation will be used thousands of sun trackers, these sun trackers are just used oil hydraulic cylinder, and the characteristics of motion of these trackers is all identical, the shared oil pump of a plurality of oil hydraulic cylinders, motor, a control circuit (being called for short hydraulic system after oil pump, motor, these several combinations of control circuit) will be able to be saved to a lot of costs.A plurality of oil hydraulic cylinders shared oil pump in parallel, a motor, a control circuit, each oil hydraulic cylinder also can move, a but hydraulic system of use in parallel, there will be the flow of each oil hydraulic cylinder not necessarily identical, thereby cause the movement velocity of each cylinder different, will cause the solar ray energy of some condenser to gather on heat collector, the sunlight of some condenser will depart from heat collector, the flow that uses each cylinder of hydraulic system because in parallel is to be determined by its resistance, the cylinder flow that resistance is large is just little, otherwise the cylinder flow that resistance is little is just large, just as the electric current of parallel circuit be by the rule of the size decision of resistance, and the resistance of oil hydraulic cylinder is determined by external factor and manufacturing process, and that these cannot be accomplished is consistent, therefore the identical oil hydraulic cylinder of picture this type games rule of sun tracker cannot be by a plurality of oil hydraulic cylinders shared a set of hydraulic system in parallel.A plurality of oil hydraulic cylinder series connection are shared to a set of hydraulic system can make the motion of each oil hydraulic cylinder in full accord, because oil circuit series connection, the flow of each oil hydraulic cylinder of can accomplishing to flow through is identical, as long as the cylinder diameter of each cylinder and these parameters of piston size are identical, when flow is identical, the movement travel of each oil hydraulic cylinder will be identical, even if the resistance of each cylinder is different, as long as identical their stroke or identical of flow, just in its dividing potential drop phase not, just dividing potential drops as different in the resistance sizes of series circuit are just different, but their electric current is identical, just can meet a plurality of oil hydraulic cylinders and share a hydraulic system, thereby reach cost-effective object.Present oil hydraulic cylinder is because the flow of the same stroke oil of back and forth movement is different, therefore after series connection also cannot to reach flow identical, the use of can not connecting.Sun tracker is the indispensable parts of medium and high temperature field of solar energy, as solar electrical energy generation, solar furnace etc., they need to coalesce together sunlight just and can reach required illumination intensity or temperature, this just needs condenser that sunlight is coalesced together, and the sun moves, this just needs sun tracker to follow the tracks of constantly solar motion.Sun tracker is one of critical piece of solar electrical energy generation and other Photo-thermal technology application, particularly solar electrical energy generation, and in solar electrical energy generation, consumption maximum and the required precision of tower-type electricity generation is also the highest.Current sun tracker probably divides two types, reduction gear is followed the tracks of and hydraulic transmission is followed the tracks of, for preventing that condenser is subject to the impact of extraneous wind-force to depart from focus point (light target), require sun tracker to have higher precision, reduction gear can not be gapped, and the cost that high-precision gear is followed the tracks of reduction gear is very high; Although hydraulic transmission tracker has good load carrying capacity and survivability, but current hydraulic transmission all takes the air line, and sun's motion is circular arc, it is not geometric ratio that circular motion becomes straight line motion, make like this Control system resolution requirement high, particularly the tower heliostat of remote reflection is just difficult to reach required precision, so hydraulic type is most for slot light collection mirror.Moreover each sun tracker must have a supporting power system, as each reduction gear tracker must have motor, control circuit, high-precision majority is to join stepper motor, or even joins the actuating motor that precision is higher; Hydraulicdriven tracker also will have dosing press pump, control circuit except will joining high-precision motor, so their cost is not low.
Tower type solar generating has that photo-thermal transformation efficiency is high, operating temperature is high, thermoelectrical efficiency is high, can directly use the advantage of the generator set of conventional efficient thermoelectricity, but, each heliostat generating electricity due to tower type solar needs independently sun tracker, and be two-dimensional tracking, therefore cost is high, because the consumption of sun tracker is very big, the sun tracker expense of great number is the bottleneck of tower type solar generating always, and birth of the present invention will thoroughly solve the high problem of sun tracker precision low cost.
Summary of the invention: the present invention designs the oil hydraulic cylinder that can connect and rotatablely move oil hydraulic cylinder and can connect and keep straight on and move, these two kinds of oil hydraulic cylinders have their own characteristics each, particularly on the oil hydraulic cylinder market of rotatable motion, also do not have, it has the intrinsic load carrying capacity of hydraulic pressure by force and the strong characteristic of survivability, and very close to each other, it can directly drive condenser (or other load) not need to join speed reducer again, the sun is that circumference rotatablely moves, the present invention also rotatablely moves, and easily accomplishes that synchronous tracking improved precision greatly; Particularly in solar electrical energy generation, will use a lot of sun trackers, the present invention can share a hydraulic system by a plurality of oil hydraulic cylinder series connection together, and cost is reduced greatly, and precision increases greatly.This oil hydraulic cylinder not only can be connected or be used separately, and the oil hydraulic cylinder that can rotatablely move has in addition been filled up the blank of the oil hydraulic cylinder that do not rotatablely move on market.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is the rotating hydraulic cylinder structure principle schematic that the present invention can connect and use;
Fig. 2 is the rotating liquid cylinder pressure appearance structure schematic diagram that the present invention can connect and use;
Fig. 3 is a plurality of rotating liquid cylinder pressure series operation schematic diagram of connecting and using of the present invention;
Fig. 4 is the craspedodrome oil hydraulic cylinder schematic diagram of prior art;
Fig. 5 is the craspedodrome oil hydraulic cylinder schematic diagram that the present invention can connect and use;
Fig. 6 is that schematic diagram is used in a plurality of craspedodrome oil hydraulic cylinder series connection of using of connecting of the present invention;
Constituent elements is as follows:
Right hydraulic pressure cavity 1, rotary-piston 2, cylinder body 3, right into and out of hydraulic fluid port 4, oil hydraulic cylinder fixed base 5,
Hydraulic system 6, oil pipe 7, left into and out of hydraulic fluid port 8, left and right hydraulic pressure cavity isolation seat 9, rotating output shaft 10, left hydraulic pressure cavity 11, rotary-piston seal ring 12, left and right hydraulic pressure cavity isolating seal circle 13, right end cap 14, left end cap 15, Bidirectional pressure-release valve 16, left and right oil hydraulic cylinder volume trunnion shaft 17, left into and out of hydraulic fluid port 18, oil hydraulic cylinder fixed base 19, right into and out of hydraulic fluid port 20,
working principle:
" oil hydraulic cylinder that can connect and use " of the present invention, refer to that their characteristics of motion, stroke size is identical after the series connection of a plurality of oil hydraulic cylinders, as the condenser in solar electrical energy generation, the characteristics of motion of each condenser and stroke are identical, with this oil hydraulic cylinder, go to drive as condenser just can reach the characteristics of motion, stroke size is identical, while reaching this object and must be oil hydraulic cylinder running into and out of the discharge capacity of hydraulic oil must be identical, the cylinder diameter of each cylinder is identical, piston area is identical.The characteristics of motion of each cylinder that guarantee is cascaded is identical with stroke.
The present invention realizes like this, Fig. 1 is one of the oil hydraulic cylinder using of can connecting, it is rotating operation oil hydraulic cylinder, rotary-piston 2 and a left side are housed in cylinder body 3 in figure, right hydraulic pressure cavity isolation seat 9, cylinder body 3 is divided into two right hydraulic pressure cavity 1 of hydraulic pressure cavity and left hydraulic pressure cavity 11, on a left side, right hydraulic pressure cavity isolation seat 9 is equipped with a left side above, right hydraulic pressure cavity isolating seal circle 13, rotary-piston 2 is equipped with rotary-piston seal ring 12 above they is sealed, prevent string oil between right hydraulic pressure cavity 1 and left hydraulic pressure cavity 11, in the middle of rotary-piston 2, there is rotating output shaft 10 to drive condenser rotation or drive other load to rotate, in cylinder body 3, there are oil hydraulic cylinder fixed base 5 and the right side to enter, oil outlet 4 and a left side are entered, oil outlet 8, these two hydraulic oil port can feed liquor force feed also can exudate force feed, the direction of liquid in-out force feed is determined by the sense of rotation of rotary-piston 2, when rotary-piston 2 turns right, the high pressure liquid force feed of hydraulic system 6 is entered from a left side through oil pipe 7, oil outlet 8 enters left hydraulic pressure cavity 11, it can promote rotary-piston 2 to right rotation, rotary-piston 2 will rotate by driven rotary output shaft 10 to right rotation, can compress right hydraulic pressure cavity 1 simultaneously, the hydraulic oil of right hydraulic pressure cavity 1 is entered to the right, oil outlet 4 is discharged, get back in hydraulic system 6 and go, otherwise, when needs turn left, the oil of hydraulic system 6 enters right hydraulic pressure cavity 1 from the right side into and out of hydraulic fluid port 4, it can promote rotary-piston 2 to anticlockwise, rotary-piston 2 will rotate by driven rotary output shaft 10 to anticlockwise, can compress left hydraulic pressure cavity 11 simultaneously, and the hydraulic oil in left hydraulic pressure cavity 11 is discharged into and out of hydraulic fluid port 8 left, get back in hydraulic system 6 and go, reach the object of left rotation and right rotation.The two sides area of this hydraulic cylinder piston is identical, again to rotatablely move in same cylinder, therefore during piston operation into and out of hydraulic oil discharge capacity identical, adopt the oil hydraulic cylinder series connection of this same specification to use, the characteristics of motion, the stroke size that just can reach each cylinder are identical, the oil hydraulic cylinder that Here it is can connect and use.
Here left and right hydraulic pressure cavity isolation seat 9 is motionless, and rotary-piston 2 can only rotate repeatedly in the both sides of left and right hydraulic pressure cavity isolation seat 9, and therefore, this rotating liquid cylinder pressure can only be less than the rotation of 360 degree.For sun tracker, the angle of swing of 150 degree is just enough, and it can meet the requirement of sun tracker completely.
Hydraulic system 6 in figure is hydraulic systems of controlling according to different purposes, and it can control different purposes hydraulic operations by the oil hydraulic pump of prior art (motor positive and inverse can not change oil pressure flow direction also need commutator), motor, control circuit.Different purposes is mainly that control circuit is different, as solar sunlight tracker, also will configure sunlight sensor, and control mode is split and enclosed also, or open type and enclosed Integrated using, and these are all that prior art is no longer described here.
Fig. 2 is the rotating hydraulic cylinder structure external form schematic diagram that the present invention can connect and use;
In figure, can see right end cap 14, left end cap 15, right end cap 14 does not have output shaft, middle bent hole can be half-pass, can economize an oil seal circle, the right side can be contained on cylinder body 3 into and out of hydraulic fluid port 8 into and out of hydraulic fluid port 4 and a left side, also can be contained on left end cap 15 and right end cap 14, consider from the easy for installation of oil pipe 7.
Fig. 3 is a plurality of rotating liquid cylinder pressure series operation schematic diagram of connecting and using of the present invention;
A whole set of hydraulic system has at least oil hydraulic cylinder, oil pump, motor, the large part of control circuit four to form, and then three-major-items have again a lot of specifications, and they are very big to the cost influence of whole hydraulic system.As oil pump has plunger-type fuel pump and gear oil pump etc., the import of most of oil pumps and outlet are fixed, as the import of plunger-type fuel pump can only oil-feed can not be fuel-displaced, high-pressure outlet can only be fuel-displaced can not oil-feed, into and out of hydraulic fluid port, can not exchange, when oil hydraulic cylinder return movement, will change by oily flow direction, therefore this oil pump is also wanted washing machine with reversing valve.Some oil pump oil when motor does not turn can flow backwards, and this class oil pump must install only fuel tap additional.Motor probably divides common electric machine, stepper motor, actuating motor three major types, and common electric machine has rotary inertia, can not automatic stop brake reversed by ambient pressure, and control accuracy is very low; Stepper motor does not have rotary inertia, can automatic stop brake, and control accuracy is higher, and stepper motor is used a lot on solar sunlight tracker conventionally; Actuating motor has all advantages in stepper motor performance, and control accuracy is higher, can also the very little angle of high-precision control, but price height very, it is more than ten times of common electric machine, is the more than five times of stepper motor; It is just larger that the price difference of control circuit differs, a set of hydraulic system is done any use, mainly by control circuit, determined, the most only make the control circuit of several upper and lower motions or side-to-side movement, as long as several contactors are all right, can be low to moderate dozens of yuan just can settle, for the solar sunlight tracker of high-precision requirement, just require height very, have use computer and PLC controls, also will use four limit sunlight inductors, only control circuit just reaches ten thousand yuan; The shared cost of visible a set of hydraulic system oil hydraulic cylinder is not high, high-precision solar sunlight tracker particularly, and the cost of the shared a whole set of hydraulic system of oil hydraulic cylinder only has ten parts, even lower.In solar electrical energy generation, the consumption of sun tracker is very large, and the characteristics of motion of each solar sunlight tracker is the same with stroke, and the shared oil pump of a plurality of oil hydraulic cylinder series connection, a motor, a control circuit cost will be declined greatly.
Fig. 3 shares an oil pump together by a plurality of oil hydraulic cylinder series connection of using of connecting, a motor, a control circuit, in figure, the right side of first oil hydraulic cylinder is entered, a left side for oil outlet 4 and second oil hydraulic cylinder is entered, oil outlet 8 is connected, the right side of second oil hydraulic cylinder is entered, a left side for oil outlet 4 and the 3rd oil hydraulic cylinder is entered, oil outlet 8 is connected, the right side of the 3rd oil hydraulic cylinder is entered, a left side for oil outlet 4 and the 4th oil hydraulic cylinder is entered, oil outlet 8 is connected, by that analogy by a plurality of oil hydraulic cylinder series connection together, in figure, only drawn A, two oil hydraulic cylinders of B, then a left side for first oil hydraulic cylinder is entered, oil outlet 8 is connected with a port of hydraulic system 6, the right side of last oil hydraulic cylinder is entered, oil outlet 4 is connected to form closed loop with another port of hydraulic system 6 and connects, form a hydraulic system 6 and promote a plurality of oil hydraulic cylinders.Using solar electrical energy generation is exactly that a hydraulic system 6 promotes many condensers tracking sun, greatly saves cost.
It neither allly be all advantage that a plurality of oil hydraulic cylinder series connection are used, after series connection, also can have more new problem, it is completely similar to the performance of series circuit, in series circuit, as burning, resistance opens circuit, a total circuit will not have electric current to flow through, if short circuit is not bad, just this resistance of short circuit is ineffective, and electric current still can flow.In like manner, when the series connection of a plurality of oil hydraulic cylinders is used, as damaging, certain oil hydraulic cylinder stuckly turns motionless, hydraulic oil just cannot pass through from it, and the oil of oil pipe just cannot flow, and all oil hydraulic cylinders that are cascaded are inactive yet, whole system will be out of service, and the impact of this fault is very big.Otherwise the inter deterioration of certain oil hydraulic cylinder causes string oil, but it can not affect the flow of whole loop oil, and just the operation stroke of this oil hydraulic cylinder is asynchronous, and just this hydraulic cylinder works is undesired.For preventing that certain oil hydraulic cylinder from damaging the stuck motionless whole train that affects that turns, at the oil duct of each oil hydraulic cylinder, import and export and connect Bidirectional pressure-release valve 16, oil hydraulic cylinder damages stuck turning when motionless, the oil pressure of train all can focus on this oil hydraulic cylinder, the inlet pressure of this oil hydraulic cylinder is increased, increase after Bidirectional pressure-release valve 16, when the pressure of this oil hydraulic cylinder arrives abnormal pressure greatly, Bidirectional pressure-release valve 16 will be opened, hydraulic oil just can from here by and do not affect the work of other oil hydraulic cylinder.Bidirectional pressure-release valve 16 is comprised of two conventional pressure-limit valves, if pressure-limit valve used is one-way conduction, these two pressure-limit valves will form Bidirectional pressure-release valve 16 by reverse parallel connection; If pressure-limit valve used is two-way admittance, the conducting of a direction non-resistance, another direction is pressure limiting conducting (just conducting after super individual pressure), these two pressure-limit valves will differential concatenation form Bidirectional pressure-release valve 16, because the oil duct here must be all two-way admittance, oil hydraulic cylinder is wanted back and forth movement.Pressure-limit valve is the technology of existing maturation, no longer describes its structure here.
Fig. 4 is the craspedodrome oil hydraulic cylinder schematic diagram of prior art;
The use of can connecting of not all oil hydraulic cylinder, the now use of just can not connecting of the oil hydraulic cylinder on market, as shown in Figure 4, present craspedodrome hydraulic cylinder piston while there being output shaft there is no axle, therefore, the area on piston both sides is different, there is output shaft to take piston part area here, oil pocket has part space to take to output shaft, during piston operation, having output shaft the oil mass of entering or going out to be here less than does not have output shaft the oil mass of entering or going out here, if by they series operations, the flow of each oil hydraulic cylinder can different cause the stroke of each cylinder differ to, can not play the characteristics of motion that each oil hydraulic cylinder is identical.
Fig. 5 is the craspedodrome oil hydraulic cylinder schematic diagram that the present invention can connect and use;
Making the stroke of operation after oil hydraulic cylinder series connection identical must be that the area of piston both sides is identical, and the flow that could protect import and export while just moving is identical, the use of could connecting of oil hydraulic cylinder only in this way.The present invention has increased left and right oil hydraulic cylinder volume trunnion shaft 17 on the basis of conventional oil hydraulic cylinder, the size of left and right oil hydraulic cylinder volume trunnion shaft 17 and the size of output shaft are identical, the flow of having imported and exported while so just just having protected operation is identical, after series connection, the stroke of each oil hydraulic cylinder could be consistent, increase after left and right oil hydraulic cylinder volume trunnion shaft 17, will increase oil hydraulic cylinder fixed base 19 from cylinder body, because the fixed base of common craspedodrome oil hydraulic cylinder is in oil hydraulic cylinder volume trunnion shaft 17 these positions, left and right, therefore, oil hydraulic cylinder fixed base 19 will be changed to other position of side of cylinder block and go.
Fig. 6 is that schematic diagram is used in a plurality of craspedodrome oil hydraulic cylinder series connection of using of connecting of the present invention;
It is more convenient than the oil hydraulic cylinder of rotating operation in some occasion, with the series connection of craspedodrome oil hydraulic cylinder, to use, or economical, as the latitude in solar sunlight tracker is followed the tracks of, just can use craspedodrome oil hydraulic cylinder, although cannot say for sure than rotation oil hydraulic cylinder good,, the production technology of craspedodrome oil hydraulic cylinder is very ripe, output is large, may can have superiority in price, in other industry, may also have than the handy occasion of rotation oil hydraulic cylinder.Fig. 6 has just provided the structural representation of craspedodrome oil hydraulic cylinder series operation, in figure, the right side of first oil hydraulic cylinder is entered, a left side for oil outlet 20 and second oil hydraulic cylinder is entered, oil outlet 18 is connected, the right side of second oil hydraulic cylinder is entered, a left side for oil outlet 20 and the 3rd oil hydraulic cylinder is entered, oil outlet 18 is connected, the right side of the 3rd oil hydraulic cylinder is entered, a left side for oil outlet 20 and the 4th oil hydraulic cylinder is entered, oil outlet 18 is connected, by that analogy by a plurality of oil hydraulic cylinder series connection together, two oil hydraulic cylinders in figure, have only been drawn, then a left side for first oil hydraulic cylinder is entered, oil outlet 18 is connected with a port of hydraulic system 6, the right side of last oil hydraulic cylinder is entered, oil outlet 20 is connected to form closed loop with another port of hydraulic system 6 and connects, form a hydraulic system 6 and promote a plurality of oil hydraulic cylinders.For preventing that certain oil hydraulic cylinder from damaging the stuck motionless whole train that affects that turns, at the oil duct of each oil hydraulic cylinder, import and export and connect Bidirectional pressure-release valve 16, oil hydraulic cylinder damages stuck turning when motionless, the oil pressure of train all can focus on this oil hydraulic cylinder, the inlet pressure of this oil hydraulic cylinder is increased, increase after Bidirectional pressure-release valve 16, when the pressure of this oil hydraulic cylinder arrives abnormal pressure greatly, Bidirectional pressure-release valve 16 will be opened, hydraulic oil just can from here by and do not affect the work of other oil hydraulic cylinder, the structure of Bidirectional pressure-release valve 16 is identical with the Bidirectional pressure-release valve described in Fig. 3 16.
Claims (4)
1. oil hydraulic cylinder and the series connection using method that can connect and use, is characterized in that: with a plurality of oil hydraulic cylinder series connection of connecting and using, the right side of first oil hydraulic cylinder is entered, oil outlet 4(craspedodrome cylinder is that the right side is entered, oil outlet 20) enter with a left side for second oil hydraulic cylinder, oil outlet 8(craspedodrome cylinder is that a left side is entered, oil outlet 18, ) be connected, the right side of second oil hydraulic cylinder is entered, oil outlet 4(craspedodrome cylinder is that the right side is entered, oil outlet 20) enter with a left side for the 3rd oil hydraulic cylinder, oil outlet 8(craspedodrome cylinder is that a left side is entered, oil outlet 18, ) be connected, the right side of the 3rd oil hydraulic cylinder is entered, oil outlet 4(craspedodrome cylinder is that the right side is entered, oil outlet 20) enter with a left side for the 4th oil hydraulic cylinder, oil outlet 8(craspedodrome cylinder is that a left side is entered, oil outlet 18, ) be connected, by a plurality of oil hydraulic cylinder series connection together, then a left side for first oil hydraulic cylinder is entered by that analogy, oil outlet 8(craspedodrome cylinder is that a left side is entered, oil outlet 18, ) be connected with a port of hydraulic system 6, the right side of last oil hydraulic cylinder is entered, oil outlet 4(craspedodrome cylinder is that the right side is entered, oil outlet 20) being connected to form closed loop with another port of hydraulic system 6 connects, form a hydraulic system 6 and promote a plurality of oil hydraulic cylinders, for preventing that certain oil hydraulic cylinder from damaging the stuck motionless whole train that affects that turns, at the oil duct of each oil hydraulic cylinder, import and export and connect Bidirectional pressure-release valve 16, form multi-cylinder series-connected solar sunshine tracking system, or the multi-cylinder of other purposes series connection hydraulic system.Also can one oil hydraulic cylinder and an oil supply system form an independently solar sunlight tracking system, or the single-cylinder hydraulic system of other purposes.
2. the oil hydraulic cylinder of connecting and using according to claim 1, is characterized in that: the oil hydraulic cylinder using of can connecting divides rotatablely move oil hydraulic cylinder and linear actuator.
3. the oil hydraulic cylinder that rotatablely moves of connecting and using according to claim 2, its structure characteristic is: it by right hydraulic pressure cavity 1, rotary-piston 2, cylinder body 3, right into and out of hydraulic fluid port 4, oil hydraulic cylinder fixed base 5,
Oil pipe 7, left into and out of hydraulic fluid port 8, left and right hydraulic pressure cavity isolation seat 9, rotating output shaft 10, left hydraulic pressure cavity 11, rotary-piston seal ring 12, left and right hydraulic pressure cavity isolating seal circle 13, right end cap 14, left end cap 15 compositions.
4. the linear actuator of connecting and using according to claim 2, its structure characteristic is:
On the straight money operation oil hydraulic cylinder basis of prior art, left and right oil hydraulic cylinder volume trunnion shaft 17, oil hydraulic cylinder fixed base 19 have been increased.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310014044.5A CN103925255A (en) | 2013-01-15 | 2013-01-15 | Serial connection allowable hydraulic cylinder and serial connection usage method |
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| CN201310014044.5A CN103925255A (en) | 2013-01-15 | 2013-01-15 | Serial connection allowable hydraulic cylinder and serial connection usage method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108061394A (en) * | 2018-01-08 | 2018-05-22 | 中国科学院电工研究所 | A kind of heliostat orientation driving mechanism |
| CN109505819A (en) * | 2018-12-28 | 2019-03-22 | 武汉科技大学 | A kind of nested type oscillating oil cylinder |
-
2013
- 2013-01-15 CN CN201310014044.5A patent/CN103925255A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108061394A (en) * | 2018-01-08 | 2018-05-22 | 中国科学院电工研究所 | A kind of heliostat orientation driving mechanism |
| CN108061394B (en) * | 2018-01-08 | 2023-09-08 | 中国科学院电工研究所 | Heliostat azimuth driving mechanism |
| CN109505819A (en) * | 2018-12-28 | 2019-03-22 | 武汉科技大学 | A kind of nested type oscillating oil cylinder |
| CN109505819B (en) * | 2018-12-28 | 2020-08-07 | 武汉科技大学 | Nested formula swing hydro-cylinder |
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Application publication date: 20140716 |