CN105508345A - Hydraulic executor with noise elimination effect - Google Patents
Hydraulic executor with noise elimination effect Download PDFInfo
- Publication number
- CN105508345A CN105508345A CN201610018440.9A CN201610018440A CN105508345A CN 105508345 A CN105508345 A CN 105508345A CN 201610018440 A CN201610018440 A CN 201610018440A CN 105508345 A CN105508345 A CN 105508345A
- Authority
- CN
- China
- Prior art keywords
- hole
- chamber
- noise elimination
- noise
- cylindrical shell
- 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.)
- Granted
Links
- 230000008030 elimination Effects 0.000 title claims abstract description 39
- 238000003379 elimination reaction Methods 0.000 title claims abstract description 39
- 230000000694 effects Effects 0.000 title claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 49
- 238000013016 damping Methods 0.000 claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 230000007704 transition Effects 0.000 claims description 26
- 230000003584 silencer Effects 0.000 claims description 19
- 230000001105 regulatory effect Effects 0.000 claims description 16
- 210000004907 gland Anatomy 0.000 claims description 7
- 230000003292 diminished effect Effects 0.000 claims description 3
- 230000003139 buffering effect Effects 0.000 abstract description 2
- 230000009467 reduction Effects 0.000 abstract description 2
- 230000033001 locomotion Effects 0.000 description 8
- 239000007788 liquid Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 238000012827 research and development 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
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
-
- 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
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
-
- 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
- F15B2215/00—Fluid-actuated devices for displacing a member from one position to another
- F15B2215/30—Constructional details thereof
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention discloses a hydraulic executor with a noise elimination effect. The hydraulic executor comprises a machine frame, a gear shaft, a cylinder body, a rack piston and a noise elimination device. The noise elimination device is detachably arranged on the periphery of the cylinder body. When the rack piston moves, the noise elimination device is used for eliminating noise generated when air in a right inner cavity flows out. The noise elimination device comprises a shell, a buffering mechanism, a noise elimination mechanism, a large spring and an annular hole. The noise elimination mechanism comprises a noise elimination piece, a barrel, an adjustment block, a limiting shaft, a small spring and a floating piece. The barrel comprises at least two outflow holes. The floating piece comprises a sealing flange and a connection hole. The large spring is arranged on the outer cylindrical face of the barrel of the noise elimination mechanism in a sleeving mode. The annular hole is formed by the noise elimination piece of the noise elimination mechanism and the inner wall of the shell and used for damping air outflow of the right inner cavity so that noise elimination can be achieved. The hydraulic executor has the noise reduction function, and can reduce system vibration and noise generated when air flows.
Description
Technical field
The present invention relates to a kind of hydraulic actuator, be specifically related to a kind of hydraulic actuator with the effect of abating the noise.
Background technique
Now, along with the lifting of expanding economy and technology, more and more higher to the requirement of work on the spot environment, noise is exactly one of them, and the sense of hearing of noise on human, body and mind have very large injury, so noise reduction is necessary.For hydraulic system, take liquid as medium transferring power and motion driving arrangement, due between liquid and inwall in working procedure, phase mutual friction between liquid with liquid, or pressure changes suddenly, or produce flow pulsation and all can produce sound, when just forming noise more than 70 decibels, work in such a case for a long time, easily damage to people, in recent years, it is more and more extensive that hydraulic system uses, and to high frequency, high-power future development, so the research and development of hydraulic pressure denoising device are just necessary, therefore a kind of structure is badly in need of simple, stable performance, easy to use, the safe and reliable hydraulic actuator with the effect of abating the noise.
Summary of the invention
The present invention is directed to the problems referred to above, provide a kind of structure simple, the hydraulic actuator of easy to use the having effect of abating the noise.
The present invention's adopted technological scheme that solves the problem is:
There is a hydraulic actuator for the effect of abating the noise, wherein, comprising: frame, gear shaft, described gear shaft is movably arranged in described frame, cylinder body, described cylinder body is fixedly installed on the upper end of described frame, rack piston, described rack piston is movably arranged in described cylinder body, and described rack piston is meshed with described gear shaft, and silencer, described silencer is removably disposed on the periphery of described cylinder body, and communicates with the right inside chamber of described cylinder body, when described rack piston motion, described silencer is for eliminating noise when described right inside chamber air flows out, and wherein, described silencer comprises: housing, damping mechanism, described damping mechanism is movably arranged on one end of the inner chamber of described housing, described damping mechanism comprises transition piece, body and seal ring, one end of described transition piece is through described body, and be fixed together with described body, described seal ring is embedded in the circular groove of described body, and fit tightly with the inwall of described housing, wherein, described transition piece comprises hemispherical head, through-core hole and attachment hole, described hemispherical head is positioned at the other end of described transition piece, and the opening of described hemispherical head and described housing is oppositely arranged, the axis of described through-core hole and the axis coaxle of described transition piece, described attachment hole radial direction is arranged on described transition piece, and described attachment hole makes the inner chamber of described housing communicate with described through-core hole, noise elimination mechanism, described noise elimination mechanism is fixedly installed on the other end of the inner chamber of described housing, described noise elimination mechanism comprises damper element, cylindrical shell, regulating block, position-limited shaft, little spring and buoyant member, one end of described cylindrical shell is fixedly installed in the receiving cavity of described damper element, the other end of described cylindrical shell extends in the second hole of described body, described regulating block is fixedly installed on the one end in the second chamber of described cylindrical shell, and one end of described regulating block is kept out on the bottom surface of described receiving cavity, one end of described position-limited shaft is fixedly installed on the other end of described regulating block, described little spring is set on described position-limited shaft, described buoyant member is movably arranged on the other end in the second chamber of described cylindrical shell, the other end of described position-limited shaft extends in the slide opening of described buoyant member, one end of described little spring is kept out on described buoyant member, the other end of described little spring is kept out on described regulating block, wherein, described cylindrical shell comprises at least two tap holes, described outflow aperture is in the outer cylindrical wall in the second chamber being evenly distributed on described cylindrical shell, described buoyant member comprises sealing flange and convergence hole, and described sealing flange is movably arranged in described convergence hole, and coaxial with described through-core hole, big spring, described big spring is set on the external cylindrical surface of the cylindrical shell of described noise elimination mechanism, and one end of described big spring is kept out on the body of described damping mechanism, and the other end of described big spring is kept out on the damper element of described noise elimination mechanism, looping pit, described looping pit is formed by the damper element of described noise elimination mechanism and the inwall of described housing, and the air for chamber right inside described in damping flows out, and realizes eliminating the noise.
Further, described transition piece also comprises the stationary axle and gland that link together, and one end of described stationary axle is through described body, and described transition piece and described body are fixed together, and described attachment hole radial direction is arranged in gland.
Further, described body also comprises diameter successively from the first paragraph diminished greatly, second segment and the 3rd section, and the outer cylinder surface of described first paragraph is provided with at least one circular groove, one end of described big spring is kept out on the end face of described 3rd section.
Further, described body also comprises the first hole, and described first paragraph and second segment are run through in described first hole, and the axis in described first hole is coaxial with described body axis, and described second hole runs through described 3rd section, and coaxial with described first hole.
Further, described damper element comprises the first annular edge and the second annular edge, described first annular edge is fixedly installed on the external cylindrical surface of described damper element, described second annular edge is arranged on outside the external cylindrical surface of described damper element, and described first annular edge is connected by plane or cambered surface with the second annular edge.
Further, described cylindrical shell also comprises the first chamber, and described first chamber diameter is less than described second chamber, and described first chamber communicates with described second chamber, and described first chamber is coaxial with described second chamber.
Further, described position-limited shaft comprises large axle head and little axle head, and described little spring is set on described large axle head, and described little axle head extends in described slide opening.
Further, described buoyant member also comprises flange plate and spacing head, and described flange plate is positioned at one end of described spacing head, and described spacing head is through the first chamber of described cylindrical shell.
Further, described slide opening is arranged on one end of described spacing head, and described convergence hole is arranged on the other end of described spacing head, and described slide opening is coaxial with described convergence hole, and described slide opening communicates with described convergence hole.
Advantage of the present invention is:
1. the present invention has decrease of noise functions;
2. the present invention can reduce system vibration, reduces fatigue ruption;
3. the present invention can make pulsating pressure increase, power increase, reduces noise during air flowing.
Except object described above, feature and advantage, the present invention also has other object, feature and advantage.Below with reference to figure, the present invention is further detailed explanation.
Accompanying drawing explanation
Forming the part of this specification, showing the preferred embodiments of the present invention for understanding accompanying drawing of the present invention further, and be used for principle of the present invention is described together with specification.In the accompanying drawings:
Fig. 1 is perspective view of the present invention;
Fig. 2 is the structural representation of silencer of the present invention;
Fig. 3 is the structural representation of the damping mechanism of silencer;
Fig. 4 is the generalized section of the transition piece of damping mechanism;
Fig. 5 is the generalized section of the body of damping mechanism;
Fig. 6 is the structural representation of the noise elimination mechanism of silencer;
Fig. 7 is the generalized section of the damper element of noise elimination mechanism;
Fig. 8 is the generalized section of the cylindrical shell of noise elimination mechanism;
Fig. 9 is the generalized section of the position-limited shaft of noise elimination mechanism; And
Figure 10 is the generalized section of the buoyant member of noise elimination mechanism.
Wherein, be labeled as in figure:
1 is frame, 2 is gear shaft, 3 is cylinder body, 31 is right inside chamber, 4 is rack piston, 5 is silencer, 51 is housing, 52 is damping mechanism, 521 is transition piece, 5211 is stationary axle, 5212 is gland, 5213 is hemispherical head, 5214 is through-core hole, 5215 is attachment hole, 522 is body, 5221 is first paragraph, 5222 is second segment, 5223 is the 3rd section, 5224 is circular groove, 5225 is the first hole, 5226 is the second hole, 523 is seal ring, 53 is noise elimination mechanism, 531 is damper element, 5311 is the first annular edge, 5312 is the second annular edge, 5313 is receiving cavity, 532 is cylindrical shell, 5321 is the first chamber, 5322 is the second chamber, 5323 is tap hole, 533 is regulating block, 534 is position-limited shaft, 5341 is large axle head, 5342 is little axle head, 535 is little spring, 536 is buoyant member, 5361 is flange plate, 5362 are limited potential head, 5363 is sealing flange, 5364 is slide opening, 5365 is convergence hole, 54 is big spring, 55 is looping pit.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
Referring to figs. 1 to Figure 10, a kind of hydraulic actuator with the effect of abating the noise as shown in Figure 1, wherein, comprising: frame 1, gear shaft 2, cylinder body 3, rack piston 4 and silencer 5; Described gear shaft 2 is movably arranged in described frame 1; Described cylinder body 3 is fixedly installed on the upper end of described frame 1; Described rack piston 4 is movably arranged in described cylinder body 3, and described rack piston 4 is meshed with described gear shaft 2, and described gear shaft 2 is swung; Described silencer 5 is removably disposed on the periphery of described cylinder body 3, and communicates with the right inside chamber 31 of described cylinder body 3, and when described rack piston 4 moves, described silencer 5 is for eliminating noise when described right inside chamber 31 air flows out.
As shown in Figure 2, Figure 3 and Figure 4, described silencer 5 comprises: housing 51 and damping mechanism 52, described damping mechanism 52 is movably arranged on one end of the inner chamber of described housing 51, described damping mechanism 52 comprises transition piece 521, body 522 and seal ring 523, one end of described transition piece 521 is through described body 522, and be fixed together with described body 522, described seal ring 523 is embedded in the circular groove 5224 of described body 522, and fit tightly with the inwall of described housing 51, avoid hydraulic oil to reveal; Described transition piece 521 comprises hemispherical head 5213, through-core hole 5214 and attachment hole 5215, described hemispherical head 52 is positioned at the other end of described transition piece 521, and described hemispherical head 5213 is oppositely arranged with the opening of described housing 51, described hemispherical head 5213, for the buffering of high pressure liquid force feed, reduces and impacts; The axis of described through-core hole 5214 and the axis coaxle of described transition piece 521; Described attachment hole 5215 radial direction is arranged on described transition piece 521, and described attachment hole 5215 makes the inner chamber of described housing 51 communicate with described through-core hole 5214, makes the gas overflowing in described right inside chamber 31.
As shown in Figure 2 and Figure 6, described silencer 5 also comprises: noise elimination mechanism 53, described noise elimination mechanism 53 is fixedly installed on the other end of the inner chamber of described housing 51, described noise elimination mechanism 53 comprises damper element 531, cylindrical shell 532, regulating block 533, position-limited shaft 534, little spring 535 and buoyant member 536, one end of described cylindrical shell 532 is fixedly installed in the receiving cavity 5313 of described damper element 531, the other end of described cylindrical shell 532 extends in the second hole 5226 of described body 522, for mobile and spacing; Described regulating block 533 is fixedly installed on the one end in the second chamber 5322 of described cylindrical shell 532, and one end of described regulating block 533 is kept out on the bottom surface of described receiving cavity 5313, for adjusting the decrement of described little spring 535; One end of described position-limited shaft 534 is fixedly installed on the other end of described regulating block 533, and described little spring 535 is set on described position-limited shaft 534, for limiting spring movement track; Described buoyant member 536 is movably arranged on the other end in the second chamber 5322 of described cylindrical shell 532, and the other end of described position-limited shaft 534 extends in the slide opening 5364 of described buoyant member 536, for the motion guide of described buoyant member 536; One end of described little spring 535 is kept out on described buoyant member 536, and the other end of described little spring 535 is kept out on described regulating block 533, and described buoyant member 536 can be automatically reset.
As shown in Figure 2, described silencer 5 also comprises: big spring 54, described big spring 54 is set on the external cylindrical surface of the cylindrical shell 532 of described noise elimination mechanism 53, one end of described big spring 54 is kept out on the body 522 of described damping mechanism 52, the other end of described big spring 54 is kept out on the damper element 531 of described noise elimination mechanism 53, and described damping mechanism 52 can be automatically reset; Looping pit 55, described looping pit 55 is formed with the inwall of described housing 51 by the damper element 531 of described noise elimination mechanism 53, and the air for chamber 31 right inside described in damping flows out, and realizes eliminating the noise.
As shown in Figure 4, described transition piece 521 also comprises the stationary axle 5211 and gland 5212 that link together, one end of described stationary axle 5211 is through described body 522, described transition piece 521 is fixed together with described body 522, and described attachment hole 5215 radial direction is arranged in gland 5212.
As shown in Figure 5, described body 522 also comprises diameter successively from the first paragraph 5221 diminished greatly, second segment 5222 and the 3rd section 5223, the outer cylinder surface of described first paragraph 5221 is provided with at least one circular groove 5224, for arranging described seal ring 523, one end of described big spring 54 is kept out on the end face of described 3rd section 5223.
As shown in Figure 5, described body 522 also comprises the first hole 5225, described first paragraph 5221 and second segment 5222 are run through in described first hole 5225, and the axis in described first hole 5225 and described body 522 axis coaxle, described second hole 5226 runs through described 3rd section 5223, and coaxial with described first hole 5225, described second hole 5226 is for the guiding of described noise elimination mechanism 53 movement locus.
As shown in Figure 7, described damper element 531 comprises the first annular edge 5311 and the second annular edge 5312, described first annular edge 5311 is fixedly installed on the external cylindrical surface of described damper element 531, described second annular edge 5312 is arranged on outside the external cylindrical surface of described damper element 531, and described first annular edge 5311 is connected by plane or cambered surface with the second annular edge 5312, in order to increase the toughness of the annular edge of described damper element 531, increase the service life.
As shown in Figure 8, described cylindrical shell 532 comprises at least two tap holes 5323 and the first chamber 5321, described first chamber 5321 diameter is less than described second chamber 5322, for the motion guide of described buoyant member 536 and spacing, and described first chamber 5321 communicates with described second chamber 5322, and described first chamber 5321 is coaxial with described second chamber 5322; Described tap hole 5323 radial direction is evenly distributed in the outer cylindrical wall in the second chamber 5322 of described cylindrical shell 532, guarantees that gas can overflow smoothly.
As shown in Fig. 6 and Fig. 9, described position-limited shaft 534 comprises large axle head 5341 and little axle head 5342, described little spring 535 is set on described large axle head 5341, and described little axle head 5342 extends in described slide opening 5364, for described little spring 535 and the described buoyant member 536 of leading.
As shown in figs. 6 and 10, described buoyant member 536 comprises flange plate 5361, spacing 5362, sealing flange 5363 and convergence hole 5365, described flange plate 5361 is positioned at one end of described spacing 5362, guarantee that described buoyant member 536 can only move in described second chamber 5322, described spacing 5362 the first chamber 5321 through described cylindrical shell 532, described sealing flange 5363 is movably arranged in described convergence hole 5365, and it is coaxial with described through-core hole 5214, described sealing flange 5363 makes described sealing flange 5363 open with the relative movement of described damping mechanism 52, make gas enter described noise elimination mechanism 53 to eliminate the noise, reverse motions then described sealing flange 5363 is closed, gas can not overflow from described silencer 5.
As shown in Figure 10, described slide opening 5364 is arranged on one end of described spacing 5362, described convergence hole 5365 is arranged on the other end of described spacing 5362, and described slide opening 5364 is coaxial with described convergence hole 5365, and described slide opening 5364 communicates with described convergence hole 5365, the inner chamber of described housing 51 is communicated with the external world.
These are only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. there is a hydraulic actuator for the effect of abating the noise, it is characterized in that, comprising:
Frame (1);
Gear shaft (2), described gear shaft (2) is movably arranged in described frame (1);
Cylinder body (3), described cylinder body (3) is fixedly installed on the upper end of described frame (1);
Rack piston (4), described rack piston (4) is movably arranged in described cylinder body (3), and described rack piston (4) is meshed with described gear shaft (2);
With silencer (5), described silencer (5) is removably disposed on the periphery of described cylinder body (3), and communicate with the right inside chamber (31) of described cylinder body (3), when described rack piston (4) moves, described silencer (5) is for eliminating noise when described right inside chamber (31) air flows out, wherein, described silencer (5) comprising:
Housing (51);
Damping mechanism (52), described damping mechanism (52) is movably arranged on one end of the inner chamber of described housing (51), described damping mechanism (52) comprises transition piece (521), body (522) and seal ring (523), one end of described transition piece (521) is through described body (522), and be fixed together with described body (522), described seal ring (523) is embedded in the circular groove (5224) of described body (522), and fit tightly with the inwall of described housing (51), wherein, described transition piece (521) comprises hemispherical head (5213), through-core hole (5214) and attachment hole (5215), described hemispherical head (52) is positioned at the other end of described transition piece (521), and described hemispherical head (5213) is oppositely arranged with the opening of described housing (51), the axis of described through-core hole (5214) and the axis coaxle of described transition piece (521), described attachment hole (5215) radial direction is arranged on described transition piece (521), and described attachment hole (5215) makes the inner chamber of described housing (51) communicate with described through-core hole (5214),
Noise elimination mechanism (53), described noise elimination mechanism (53) is fixedly installed on the other end of the inner chamber of described housing (51), described noise elimination mechanism (53) comprises damper element (531), cylindrical shell (532), regulating block (533), position-limited shaft (534), little spring (535) and buoyant member (536), one end of described cylindrical shell (532) is fixedly installed in the receiving cavity (5313) of described damper element (531), the other end of described cylindrical shell (532) extends in second hole (5226) of described body (522), described regulating block (533) is fixedly installed on the one end in second chamber (5322) of described cylindrical shell (532), and one end of described regulating block (533) is kept out on the bottom surface of described receiving cavity (5313), one end of described position-limited shaft (534) is fixedly installed on the other end of described regulating block (533), described little spring (535) is set on described position-limited shaft (534), described buoyant member (536) is movably arranged on the other end in second chamber (5322) of described cylindrical shell (532), the other end of described position-limited shaft (534) extends in the slide opening (5364) of described buoyant member (536), one end of described little spring (535) is kept out on described buoyant member (536), the other end of described little spring (535) is kept out on described regulating block (533), wherein, described cylindrical shell (532) comprises at least two tap holes (5323), described tap hole (5323) radial direction is evenly distributed in the outer cylindrical wall in the second chamber (5322) of described cylindrical shell (532), described buoyant member (536) comprises sealing flange (5363) and convergence hole (5365), described sealing flange (5363) is movably arranged in described convergence hole (5365), and coaxial with described through-core hole (5214),
Big spring (54), described big spring (54) is set on the external cylindrical surface of the cylindrical shell (532) of described noise elimination mechanism (53), one end of described big spring (54) is kept out on the body (522) of described damping mechanism (52), and the other end of described big spring (54) is kept out on the damper element (531) of described noise elimination mechanism (53);
Looping pit (55), described looping pit (55) is formed by the damper element (531) of described noise elimination mechanism (53) and the inwall of described housing (51), air for chamber (31) right inside described in damping flows out, and realizes eliminating the noise.
2. the hydraulic actuator with the effect of abating the noise according to claim 1, it is characterized in that, described transition piece (521) also comprises the stationary axle (5211) and gland (5212) that link together, one end of described stationary axle (5211) is through described body (522), described transition piece (521) and described body (522) are fixed together, and described attachment hole (5215) radial direction is arranged in gland (5212).
3. the hydraulic actuator with the effect of abating the noise according to claim 1, it is characterized in that, described body (522) also comprises diameter successively from the first paragraph diminished greatly (5221), second segment (5222) and the 3rd section (5223), the outer cylinder surface of described first paragraph (5221) is provided with at least one circular groove (5224), one end of described big spring (54) is kept out on the end face of described 3rd section (5223).
4. the hydraulic actuator with the effect of abating the noise according to claim 3, it is characterized in that, described body (522) also comprises the first hole (5225), described first hole (5225) runs through described first paragraph (5221) and second segment (5222), and the axis of described first hole (5225) and described body (522) axis coaxle, described second hole (5226) runs through described 3rd section (5223), and coaxial with described first hole (5225).
5. the hydraulic actuator with the effect of abating the noise according to claim 1, it is characterized in that, described damper element (531) comprises the first annular edge (5311) and the second annular edge (5312), described first annular edge (5311) is fixedly installed on the external cylindrical surface of described damper element (531), described second annular edge (5312) is arranged on outside the external cylindrical surface of described damper element (531), and described first annular edge (5311) is connected by plane or cambered surface with the second annular edge (5312).
6. the hydraulic actuator with the effect of abating the noise according to claim 1, it is characterized in that, described cylindrical shell (532) also comprises the first chamber (5321), described first chamber (5321) diameter is less than described second chamber (5322), and described first chamber (5321) communicates with described second chamber (5322), and described first chamber (5321) is coaxial with described second chamber (5322).
7. the hydraulic actuator with the effect of abating the noise according to claim 6, it is characterized in that, described position-limited shaft (534) comprises large axle head (5341) and little axle head (5342), described little spring (535) is set on described large axle head (5341), and described little axle head (5342) extends in described slide opening (5364).
8. the hydraulic actuator with the effect of abating the noise according to claim 7, it is characterized in that, described buoyant member (536) also comprises flange plate (5361) and spacing head (5362), described flange plate (5361) is positioned at one end of described spacing head (5362), and described spacing head (5362) is through first chamber (5321) of described cylindrical shell (532).
9. the hydraulic actuator with the effect of abating the noise according to claim 8, it is characterized in that, described slide opening (5364) is arranged on one end of described spacing head (5362), described convergence hole (5365) is arranged on the other end of described spacing head (5362), and described slide opening (5364) is coaxial with described convergence hole (5365), and described slide opening (5364) communicates with described convergence hole (5365).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610018440.9A CN105508345B (en) | 2016-01-12 | 2016-01-12 | A kind of hydraulic actuator with the effect that abates the noise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610018440.9A CN105508345B (en) | 2016-01-12 | 2016-01-12 | A kind of hydraulic actuator with the effect that abates the noise |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105508345A true CN105508345A (en) | 2016-04-20 |
| CN105508345B CN105508345B (en) | 2017-07-14 |
Family
ID=55716567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610018440.9A Expired - Fee Related CN105508345B (en) | 2016-01-12 | 2016-01-12 | A kind of hydraulic actuator with the effect that abates the noise |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105508345B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3832987A1 (en) * | 1988-09-29 | 1989-05-18 | Gerhard Fabritz | Silencer for internal combustion engines |
| CN2606199Y (en) * | 2003-03-09 | 2004-03-10 | 罗民权 | Compressor |
| KR20050021657A (en) * | 2003-08-25 | 2005-03-07 | 현대자동차주식회사 | Dischanging apparatus carbon in muffler |
| KR20070031648A (en) * | 2005-09-15 | 2007-03-20 | 현대자동차주식회사 | Muffler Unit of automobile |
| JP2011094511A (en) * | 2009-10-28 | 2011-05-12 | Kobelco Contstruction Machinery Ltd | Mounting device for muffler with catalyst |
| CN203272316U (en) * | 2013-06-13 | 2013-11-06 | 浙江日发精密机械股份有限公司 | Double-rack anti-backlash oscillating oil cylinder |
| CN104564899A (en) * | 2014-12-31 | 2015-04-29 | 中船重工中南装备有限责任公司 | Gear and rack cylinder with spring buffering function |
| CN104632751A (en) * | 2015-01-05 | 2015-05-20 | 广西大学 | Piston type oscillating cylinder |
-
2016
- 2016-01-12 CN CN201610018440.9A patent/CN105508345B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3832987A1 (en) * | 1988-09-29 | 1989-05-18 | Gerhard Fabritz | Silencer for internal combustion engines |
| CN2606199Y (en) * | 2003-03-09 | 2004-03-10 | 罗民权 | Compressor |
| KR20050021657A (en) * | 2003-08-25 | 2005-03-07 | 현대자동차주식회사 | Dischanging apparatus carbon in muffler |
| KR20070031648A (en) * | 2005-09-15 | 2007-03-20 | 현대자동차주식회사 | Muffler Unit of automobile |
| JP2011094511A (en) * | 2009-10-28 | 2011-05-12 | Kobelco Contstruction Machinery Ltd | Mounting device for muffler with catalyst |
| CN203272316U (en) * | 2013-06-13 | 2013-11-06 | 浙江日发精密机械股份有限公司 | Double-rack anti-backlash oscillating oil cylinder |
| CN104564899A (en) * | 2014-12-31 | 2015-04-29 | 中船重工中南装备有限责任公司 | Gear and rack cylinder with spring buffering function |
| CN104632751A (en) * | 2015-01-05 | 2015-05-20 | 广西大学 | Piston type oscillating cylinder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105508345B (en) | 2017-07-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104819240B (en) | Cylinder apparatus | |
| US9551395B2 (en) | Shock absorber | |
| CN107076245B (en) | Buffer and its manufacturing method | |
| CN110836236B (en) | Rotary magnetorheological damper capable of outputting asymmetric damping | |
| CN105317906B (en) | Buffer | |
| EP3214337B1 (en) | Shock absorber | |
| CN103671995A (en) | Two-piston type axial flow regulating valve | |
| CN102927332A (en) | Piston type control valve | |
| CN205118348U (en) | Axial compressor check valve | |
| CN107975602A (en) | A kind of volume control device | |
| CN105508345A (en) | Hydraulic executor with noise elimination effect | |
| CN102061854A (en) | Cylinder body device | |
| JP2019143642A (en) | Shock absorber | |
| CN205877053U (en) | Two -way hydraulic absorber | |
| CN102061855A (en) | Door opening and closing device | |
| CN113738925B (en) | Valve rod clamping stagnation preventing assembly, valve rod clamping stagnation preventing valve structure and method | |
| CN116697063A (en) | Electronic expansion valve | |
| CN208793769U (en) | Pressure reducing valve with extension connection structure | |
| JP2014149003A (en) | Fluid pressure shock absorber | |
| CN208997362U (en) | A kind of piston fluid regulating valve | |
| JP2018054057A (en) | Buffer | |
| CN201087644Y (en) | Hinge damper of furniture door | |
| KR20100119569A (en) | Damper | |
| CN203395076U (en) | High-performance car damper | |
| CN109531187A (en) | Built-in centering center rest |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210421 Address after: 226300 Century Avenue, Nantong high tech Zone, Jiangsu, China, No. 266, No. Patentee after: NANTONG WOTE OPTOELECTRONICS TECHNOLOGY Co.,Ltd. Address before: 311402 No. 198, hi tech Road, Hangzhou, Zhejiang, Fuyang Patentee before: HANGZHOU POLYTECHNIC |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210428 Address after: 226600 group 7, linqiao village, Haian high tech Zone, Haian City, Nantong City, Jiangsu Province Patentee after: NANTONG WANDA FRICTION MATERIAL Co.,Ltd. Address before: 226300 Century Avenue, Nantong high tech Zone, Jiangsu, China, No. 266, No. Patentee before: NANTONG WOTE OPTOELECTRONICS TECHNOLOGY Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170714 |