CN203206056U - Current generating device - Google Patents

Current generating device Download PDF

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Publication number
CN203206056U
CN203206056U CN 201320216148 CN201320216148U CN203206056U CN 203206056 U CN203206056 U CN 203206056U CN 201320216148 CN201320216148 CN 201320216148 CN 201320216148 U CN201320216148 U CN 201320216148U CN 203206056 U CN203206056 U CN 203206056U
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CN
China
Prior art keywords
power output
generator
output shaft
cylinder
oscillating cylinder
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Expired - Fee Related
Application number
CN 201320216148
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Chinese (zh)
Inventor
罗柏文
万步炎
黄筱军
朱伟亚
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Hunan University of Science and Technology
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Hunan University of Science and Technology
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Priority to CN 201320216148 priority Critical patent/CN203206056U/en
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Publication of CN203206056U publication Critical patent/CN203206056U/en
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Abstract

The utility model provides a current generating device, which relates to the field of power technology. The current generating device comprises an oscillating cylinder and a generator, wherein a power output shaft of the oscillating cylinder is connected with a rotating shaft of the generator, and the power output shaft drives the rotating shaft of the generator to rotate, so as to generate current. The current generating device can convert kinetic energy in a fluid system into mechanical energy, so as to drive the generator to generate current. The current generating device can be applied to the fluid system, generates current by utilizing the kinetic energy of fluid, and controls related problems such as leakage by taking the current as signals.

Description

A kind of current generating apparatus
Technical field
The utility model relates to the power technology field, relates in particular to a kind of current generating apparatus.
Background technology
The mode that electric current occurs has a variety of, basically is to utilize external force (wind-force, waterpower, nuclear force, biological burning, fossil-fueled etc.) to drive generator rotation generation current.Structure all is that power take-off is connected with the rotating shaft of generator basically, drives the rotating shaft rotation of generator, thus generation current.In the fluid technique field, in the urgent need to a kind of inner at fluid system, utilize the fluid dynamic energy generation current, recycle this electric current and control the relevant issues such as leakage as signal.
Summary of the invention
For above-mentioned prior art, the technical problems to be solved in the utility model provides a kind of current generating apparatus, and this current generating apparatus can utilize the kinetic energy of fluid system inside, is converted into mechanical energy, drives generator generating generation current.
In order to solve the problems of the technologies described above, the utility model provides a kind of current generating apparatus, comprises oscillating cylinder and generator, and the power output shaft of described oscillating cylinder is connected with the rotating shaft of described generator, described power output shaft drives the rotating shaft rotation of described generator, thus generation current.Oscillating cylinder utilizes the pressure differential of fluid system inside, drives the rotating shaft rotation of described generator at the power output shaft of the effect lower swing cylinder of pressure differential, the kinetic energy of fluid system inside is converted to mechanical energy, generation current.
As further improvement of the utility model, described oscillating cylinder adopts the rack-and-pinion oscillating cylinder, comprise piston rod, tooth bar, with tooth bar meshed gears, power output shaft, described gear is connected with described power output shaft, described power output shaft is connected with the rotating shaft of described generator, and described tooth bar is fixed on the described piston rod, and described piston rod drives described rack linear reciprocating motion, described tooth bar promotes described gear rotation, and then drives the rotating shaft rotation of described generator.The rack-and-pinion oscillating cylinder utilizes the pressure differential of fluid system inside, effect lower piston rod in pressure differential drives the rack linear reciprocating motion, tooth bar promotes the gear rotation, and the rotating shaft of gear driven power output shaft and generator is rotated together, generator generating generation current.
As further improvement of the utility model, described oscillating cylinder adopts the blade oscillating cylinder, comprises blade, power output shaft, and described blade is fixedly connected with described power output shaft, described blade drives described power output shaft and rotates together, and then drives the rotating shaft rotation of described generator.The blade oscillating cylinder utilizes the pressure differential of fluid system inside, drives power output shaft at the effect lower blade of pressure differential and rotates together, and then drive the rotating shaft rotation of generator, generator generating generation current.
As further improvement of the utility model, described oscillating cylinder adopts the spiral oscillating cylinder, comprise piston with internal screw tooth, with the power output shaft of external spiral tooth, piston bush is located on the power output shaft, internal screw tooth cooperates with the external spiral tooth, the piston linear reciprocating motion drives the power output shaft rotation, and then drives the rotating shaft rotation of described generator.The spiral oscillating cylinder utilizes the pressure differential of fluid system inside, in the effect lower piston straight reciprocating motion of pressure differential, drives the power output shaft rotation, and then generator generating generation current is rotated in the rotating shaft of drive generator together.
As further improvement of the utility model, described generator adopts DC generator, can select DC generator according to actual needs, direct current occurs be convenient to control.
As further improvement of the utility model, the piston rod two ends of described rack-and-pinion oscillating cylinder are provided with piston, and the middle part is provided with tooth bar.
As further improvement of the utility model, the connected mode of the cylinder block and cylinder cover of described rack-and-pinion oscillating cylinder adopts flange to connect.It is to use the most general version in the oscillating cylinder that flange connects, and flange connection is simple, and processing and mounting or dismounting are all very convenient.
As further improvement of the utility model, the inner surface of cylinder block chromium plating of described rack-and-pinion oscillating cylinder is also carried out honing or polishing, in order to prevent corrosion and to improve the life-span.
As further improvement of the utility model, described rack-and-pinion oscillating cylinder end is provided with vent valve.Get rid of the air in the fluid, reduce in the work of rack-and-pinion oscillating cylinder producing vibration, tremble and creeping, and be attended by the serial abnormalities such as noise and heating.
As further improvement of the utility model, described rack-and-pinion oscillating cylinder end is provided with buffer unit.The piston movement speed that slows down gradually reaches the purpose of avoiding piston and cylinder cap mutually to clash into.
Compared to prior art, current generating apparatus of the present utility model utilizes the pressure differential of fluid system inside, make the reciprocating motion of piston driving rack linear, the kinetic energy of fluid system inside is converted to mechanical energy, the rotation of rack drives gear, the rotating shaft of gear driven power output shaft and generator is rotated together, generator generating generation current.Can utilize this current signal further to control the relevant issues such as fluid system internal leakage.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model the first execution mode assembling front view;
Fig. 3 is the utility model A--A cutaway view;
Fig. 4 is the utility model the second execution mode assembly structure figure;
Fig. 5 is the utility model the second execution mode blade oscillating cylinder structure schematic diagram;
Fig. 6 is the utility model the 3rd execution mode assembly structure figure.
Each component names is as follows among the figure:
The 10--oscillating cylinder
The 101--gear-and-rack swing hydraulic cylinder
The 11--power output shaft
The 12--tooth bar
The 13--gear
The 14--piston rod
141--piston rod packing circle
The 15--cylinder cap
151--cylinder body seal circle
The 152--fluid flow port
The 16--cylinder body
The 161--inner surface of cylinder block
162--cylinder body ear
The 17--piston
171--piston ring Simmer ring
The 18--vent valve
The 19--buffer unit
The 191--buffering ring
192--cushions cavity
The 20--generator
The 201--DC generator
The 21--rotating shaft
The 30--shaft joint
The single blade oscillating hydraulic cylinder of 40--
The 401--bearing shell
The 402--blade
The 403--bolt
50--spiral oscillating motor
The 501--flange
The 502--thrust ring
503--spiral ring gear
Embodiment
Below in conjunction with accompanying drawing the utility model is described further.
As shown in Figure 1, current generating apparatus is comprised of oscillating cylinder 10 and generator 20, and the power output shaft 11 of oscillating cylinder 10 is fixedly connected with the rotating shaft 21 of generator 20.Oscillating cylinder 10 utilizes the pressure differential of fluid system inside, in power output shaft 11 rotations of the effect lower swing cylinder 10 of pressure differential, drives rotating shaft 21 rotations of generator 20, the kinetic energy of fluid system inside is converted to mechanical energy, generator 20 generating generation currents.Oscillating cylinder is divided into blade oscillating cylinder, spiral oscillating cylinder, rack-and-pinion oscillating cylinder etc.; Generator comprises DC generator, alternating current generator etc.; And fluid is divided into liquid, gas etc.Following specific embodiment is take oscillating cylinder as gear-and-rack swing hydraulic cylinder, and generator is DC generator, and fluid is liquid, concrete detailed being illustrated.But it is gas that the present embodiment is equally applicable to fluid, and generator is DC generator, and oscillating cylinder is blade oscillating cylinder or spiral oscillating cylinder.
Fig. 2 to Fig. 3 shows the first execution mode of the present utility model.As shown in Figure 3, current generating apparatus comprises gear-and-rack swing hydraulic cylinder 101 and DC generator 201, the power output shaft 11 of gear-and-rack swing hydraulic cylinder 101 is connected by shaft joint 30 with the rotating shaft 21 of DC generator 201, also can adopt other modes to be fixedly connected with, such as screw fix, bearing pin is fixed, rivet is fixed etc.
As shown in Figure 2, gear-and-rack swing hydraulic cylinder 101 comprises cylinder body 16, cylinder cap 15, piston 17, piston rod 14, tooth bar 12, gear 13, power output shaft 11, buffering ring 191.Piston rod 14 is main power transmission parts of gear-and-rack swing hydraulic cylinder, and enough intensity and rigidity must be arranged, and piston rod 14 adopts solid construction.The shaft-like shape part of piston rod 14 cylinders, there is step at two ends, are provided with without the shoulder external screw thread, and stepped diameters is larger than major diameter of thread; Piston 17 is cylindrical, the center is through hole, through hole also is provided with step outward, this step and piston rod 14 steps are worked in coordination, the center is provided with the internal thread that cooperates with piston rod 14 external screw threads, piston is 17 inner, the external screw thread engage sleeves is located at piston rod 14 two ends, and the step place also is provided with piston rod packing circle 141, prevents seepage; Buffering ring 191 is annular, and interior ring is provided with the internal thread that cooperates with piston rod 14 external screw threads, and buffering ring 191 is arranged on piston 17 outsides, is used for being fixed piston 17; Buffering ring 191 outsides also are provided with the snap ring (not shown), are used for blocking buffering ring 191, prevent that buffering ring 191 from retreating loosening.
As shown in Figure 2, tooth bar 12 is positioned at piston rod 14 middle parts, between the two-piston 17.Tooth bar and piston rod 14 can adopt integrative-structure, directly process tooth bar 12 on piston rod 14; Also can adopt Split type structure, be fixedly connected with piston rod 14 after tooth bar 12 processes again, the mode that is fixedly connected with can adopt welding or screw to fix; Leave the gap between tooth bar 12 and the inner surface of cylinder block 161.The material of piston 17 can adopt wear resistant cast iron, and piston 17 adopts piston ring packing with cylinder body seal, and this piston ring packing is three groups of piston ring Simmer rings 171 that are arranged on the piston.By the integral body that piston 17, piston rod 14, tooth bar 12, buffering ring 191, snap ring, piston rod packing circle 141, piston ring Simmer ring 171 form, straight reciprocating motion in cylinder body.
As shown in Figure 2, power output shaft 11 is axial workpiece, is installed on cylinder body ear 162, and stretches out outside the cylinder body 16; Gear 12 is sheathed on the power output shaft 11 and by bearing pin and is fixedly connected with power output shaft 11.Gear 13 is intermeshing with tooth bar 12, and piston 17 band carry-over bars 12 are in cylinder body 16 interior straight reciprocating motions, and tooth bar 12 driven gears 13 and power output shaft 11 rotate together.As shown in Figure 3, power output shaft 11 is fixedly connected with the rotating shaft 21 of DC generator 201 by shaft joint 30, and power output shaft 11 rotates simultaneously with the rotating shaft 21 of dynamotor 201, and DC generator 201 generatings produce direct current.
As shown in Figure 2, the two ends of cylinder body 16 link to each other with cylinder cap 15 respectively, consist of airtight pressure chamber.Cylinder body 16 is main bodys of hydraulic cylinder, and remaining parts is assembled on it, and its version has a significant impact processing and assembling, so its structure must be convenient to assembling, dismounting and maintenance as far as possible.Cylinder body 16 is a lot of with the type of attachment of cylinder cap 15, and it is to use the most general version in the hydraulic cylinder that flange connects, and cylinder body 16 ends are provided with flange, with bolt itself and end cap 15 are coupled together.Flange connection is simple, and processing and mounting or dismounting are all very convenient.Inner surface of cylinder block 161 also is provided with cylinder body seal circle 151 with cylinder cap 15 cooperation places, is used for preventing fluid seepage.
Gear-and-rack swing hydraulic cylinder 101 cylinder bodies 16 material selections 45 steel, and modified be 241~285HB to hardness.The cylinder body blank adopts forged steel.In order to prevent corrosion and to improve the life-span, inner surface of cylinder block 161 chromium plating, thickness of coating is 30~40 microns chromium layer, carries out honing or polishing after the plating.
Hydraulic system can be infiltrated air in installation process or after quitting work for a long time, also can entrained air in the liquid, because gas has larger compressibility, will make to produce vibration in the hydraulic cylinder works, tremble and creep, and be attended by the serial abnormalities such as noise and heating.Therefore when the design hydraulic cylinder structure, guarantee in time to get rid of the gas that accumulates in the cylinder.For hydraulic cylinder stable, on new clothes after the hydraulic cylinder, must be with the Bas Discharged in the cylinder.One of method of exhaust is that hydraulic cylinder moves repeatedly, until motion steadily, but more reliable method is at hydraulic cylinder vent valve to be set, and vent valve generally is placed on the end of hydraulic cylinder, and double acting hydraulic cylinder then should arrange two vent valves.As shown in Figure 2, respectively be provided with a vent valve 18 at gear-and-rack swing hydraulic cylinder cylinder body two ends, be used for getting rid of the air of sneaking in the gear-and-rack swing hydraulic cylinder cylinder body.
The operation principle of buffer unit is to utilize piston or cylinder body to seal a part of fluid when it moves towards stroke terminal between piston and cylinder cap in the hydraulic cylinder, force it from aperture or finedraw, to extrude to produce very large resistance, workpiece is braked, and the movement velocity that slows down gradually reaches the purpose of avoiding piston and cylinder cap mutually to clash into.As shown in Figure 2, the buffer unit 19 of this gear-and-rack swing hydraulic cylinder comprises buffering ring 191 and buffering cavity 192.Buffering ring 191 is annular, and interior ring is provided with the internal thread that cooperates with piston rod 14 external screw threads, and buffering ring 191 is arranged on piston 17 outsides, is used for being fixed piston 17; Buffering cavity 192 is cylindrical cavities that arrange in cylinder cap 15 ends, and diameter is greater than the external diameter of buffering ring 191, and the degree of depth is greater than the thickness of buffering ring 191; When liquid enters from a fluid flow port 152, effect lower piston 17 in pressure differential moves to the other end, buffering ring 191 has begun to enter buffering cavity 192 when piston 17 moves towards stroke terminal, between piston 17 and cylinder cap 15, seal a part of liquid, force this part liquid that is sealed from buffering ring 191 and buffering cavity 192 finedraws, to extrude to produce very large resistance, workpiece is braked, and the movement velocity that slows down gradually avoids piston 17 and cylinder cap 15 mutually to clash into.
More than be the first execution mode, it is gas that this execution mode is equally applicable to fluid, and generator is alternating current generator.
Fig. 4 to Fig. 5 shows the second execution mode of the present utility model.Present embodiment is with single-vane actuator, and fluid is liquid, and generator is that DC generator specifies, and is gas but this kind execution mode is equally applicable to fluid, and generator is alternating current generator.As shown in Figure 4, current generating apparatus comprises single blade oscillating hydraulic cylinder 40 and DC generator 201, the power output shaft 11 of single blade oscillating hydraulic cylinder 40 is connected by shaft joint 30 with the rotating shaft 21 of DC generator 201, also can adopt other modes to be fixedly connected with, such as screw fix, bearing pin is fixed, rivet is fixed etc.
Such as Fig. 4, shown in Figure 5, single blade oscillating hydraulic cylinder 40 comprises cylinder body 16, cylinder cap 15, power output shaft 11, fluid flow port 152, bearing shell 401, blade 402, bolt 403; Fluid flow port 152 is out import or the outlet of the liquid on cylinder cap 15; Cylinder body 16 two ends are installed between cylinder cap 15, two cylinder caps 15 and are interfixed by bolt 403, and cylinder body 16 is fixed between two cylinder caps 15, and cylinder body 16 also is equipped with sealing ring with cylinder cap 15 contact positions; Power output shaft 11 is installed between two cylinder caps 15, and at least one end stretches out outside the cylinder cap 15, can relatively rotate between power output shaft 11 and the cylinder cap 15, between power output shaft 11 and the cylinder cap 15 sealing ring is installed also; Bearing shell 401 is fixedly connected with cylinder body 16 or is fixedly connected with cylinder cap 15, and bearing shell 401 is flexibly connected with power output shaft 11, and the contact-making surface place is provided with sealing ring; Blade 402 is fixedly connected with into a single integrated structure with power output shaft 11, with power output shaft 11 rotations, blade 402 cooperates with cylinder body 16 internal surface gaps, and the cooperation place is provided with sealing ring, is used for seal fluid; Liquid enters from a fluid flow port 152 during work, and under the effect of hydraulic pressure, blade 402 drives power output shaft 11 and rotates together, and power output shaft 11 drives rotating shaft 21 rotations of generator, generator generating generation current.
Above explanatory note is the second execution mode, and what this kind execution mode adopted is single blade oscillating hydraulic cylinder, is equally applicable to the twayblade oscillating motor, and structure and single blade oscillating hydraulic cylinder are similar, and the quantity of blade changes two into, and bearing shell changes two into.
Fig. 6 shows the third execution mode of the present utility model.Present embodiment is with the spiral oscillating cylinder, and fluid is liquid, and generator is that DC generator specifies, and is gas but this kind execution mode is equally applicable to fluid, and generator is alternating current generator.As shown in Figure 6, current generating apparatus comprises spiral oscillating motor 50 and DC generator 201, the power output shaft 11 of spiral oscillating motor 50 is connected by shaft joint 30 with the rotating shaft 21 of DC generator 201, also can adopt other modes to be fixedly connected with, such as screw fix, bearing pin is fixed, rivet is fixed etc.
As shown in Figure 6, spiral oscillating motor 50 comprises cylinder body 16, cylinder cap 15, power output shaft 11, piston 17, fluid flow port 152, flange 501, thrust ring 502, spiral ring gear 503; Cylinder cap 15 is fixedly connected with cylinder body 16 by flange 501, is provided with sealing ring between cylinder cap 15 and the cylinder body 16; Power output shaft 11 is cylindric, and the centre is provided with step, and the diameter at step place is greater than the two ends diameter, the step place also is provided with the external spiral tooth, power output shaft 11 is installed in the cylinder body 16, and at least one end stretches out outside the cylinder body 16, and 15 of power output shaft 11 and cylinder caps are provided with sealing ring; Piston 17 is sheathed on the power output shaft 11, be provided with internal screw tooth in the piston 17, work in coordination with the external spiral tooth on the power output shaft 11, be provided with sealing ring on piston 17 cylindricals, piston 17 cooperates with cylinder body 16 inner surface movable sealings, piston 17 is provided with sealing ring with power output shaft 11 cooperation places, and piston 17 cooperates with power output shaft 11 movable sealings; Also be provided with spiral ring gear 503 between piston 17 and the cylinder body 16, spiral ring gear 503 is fixedly connected with cylinder body 16, and piston 17 and the relative straight reciprocating motion of spiral ring gear 503 energy can not relatively rotate; Between flange 501 and the cylinder cap 15, be provided with thrust ring 502 between cylinder cap 15 and the spiral ring gear 503, be used for preventing between flange 501, cylinder cap 15, the spiral ring gear 503 loosening; Fluid flow port 152 is out import or the outlet of the liquid on cylinder body 16; Liquid enters from fluid flow port 152, and under the effect of hydraulic pressure, piston 17 is in cylinder body 16 interior straight reciprocating motions, and under the transmission of inside and outside helical tooth, power output shaft 11 rotates, thereby drives rotating shaft 21 rotations of generator, generator generating generation current.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that implementation of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to protection range of the present utility model.

Claims (10)

1. a current generating apparatus comprises oscillating cylinder and generator, it is characterized in that: the power output shaft of described oscillating cylinder is connected with the rotating shaft of described generator, and described power output shaft drives the rotating shaft rotation of described generator, thus generation current.
2. current generating apparatus according to claim 1, it is characterized in that: described oscillating cylinder adopts the rack-and-pinion oscillating cylinder, comprise piston rod, tooth bar, with tooth bar meshed gears, power output shaft, described gear is connected with described power output shaft, described power output shaft is connected with the rotating shaft of described generator, described tooth bar is fixed on the described piston rod, described piston rod drives described rack linear reciprocating motion, described tooth bar promotes described gear rotation, and then drives the rotating shaft rotation of described generator.
3. current generating apparatus according to claim 1, it is characterized in that: described oscillating cylinder adopts the blade oscillating cylinder, comprise blade, power output shaft, described blade is fixedly connected with described power output shaft, described blade drives described power output shaft and rotates together, and then drives the rotating shaft rotation of described generator.
4. current generating apparatus according to claim 1, it is characterized in that: described oscillating cylinder adopts the spiral oscillating cylinder, comprise piston with internal screw tooth, with the power output shaft of external spiral tooth, described piston bush is located on the described power output shaft, described internal screw tooth cooperates with described external spiral tooth, described piston linear reciprocating motion drives described power output shaft rotation, and then drives the rotating shaft rotation of described generator.
5. according to claim 1 to 4 each described current generating apparatus, it is characterized in that: described generator adopts DC generator.
6. current generating apparatus according to claim 2, it is characterized in that: the piston rod two ends of described rack-and-pinion oscillating cylinder are provided with piston, and the middle part is provided with tooth bar.
7. current generating apparatus according to claim 2 is characterized in that: the connected mode employing flange connection of the cylinder block and cylinder cover of described rack-and-pinion oscillating cylinder.
8. current generating apparatus according to claim 2, it is characterized in that: the inner surface of cylinder block chromium plating of described rack-and-pinion oscillating cylinder is also carried out honing or polishing.
9. current generating apparatus according to claim 2, it is characterized in that: described rack-and-pinion oscillating cylinder end is provided with vent valve.
10. current generating apparatus according to claim 2, it is characterized in that: described rack-and-pinion oscillating cylinder end is provided with buffer unit.
CN 201320216148 2013-04-26 2013-04-26 Current generating device Expired - Fee Related CN203206056U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320216148 CN203206056U (en) 2013-04-26 2013-04-26 Current generating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320216148 CN203206056U (en) 2013-04-26 2013-04-26 Current generating device

Publications (1)

Publication Number Publication Date
CN203206056U true CN203206056U (en) 2013-09-18

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Application Number Title Priority Date Filing Date
CN 201320216148 Expired - Fee Related CN203206056U (en) 2013-04-26 2013-04-26 Current generating device

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CN (1) CN203206056U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111173801A (en) * 2020-02-25 2020-05-19 江苏恒立液压股份有限公司 Double-helix swing hydraulic cylinder

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111173801A (en) * 2020-02-25 2020-05-19 江苏恒立液压股份有限公司 Double-helix swing hydraulic cylinder
CN111173801B (en) * 2020-02-25 2022-05-17 江苏恒立液压股份有限公司 Double-helix swing hydraulic cylinder

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130918

Termination date: 20160426