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CN103075384A - Friction-free hydraulic cylinder for primary mirror support - Google Patents

Friction-free hydraulic cylinder for primary mirror support Download PDF

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Publication number
CN103075384A
CN103075384A CN2013100372480A CN201310037248A CN103075384A CN 103075384 A CN103075384 A CN 103075384A CN 2013100372480 A CN2013100372480 A CN 2013100372480A CN 201310037248 A CN201310037248 A CN 201310037248A CN 103075384 A CN103075384 A CN 103075384A
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piston
cylinder body
cylinder
hydraulic cylinder
primary mirror
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CN2013100372480A
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CN103075384B (en
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李剑锋
邵亮
王建立
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Changchun Institute of Optics Fine Mechanics and Physics of CAS
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Changchun Institute of Optics Fine Mechanics and Physics of CAS
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Abstract

The invention provides a friction-free hydraulic cylinder for primary mirror support and relates to the technical field of primary mirror support, and the friction-free hydraulic cylinder can be used for solving the problem that friction is generated as an existing hydraulic cylinder adopts an O-shaped seal ring. The hydraulic cylinder comprises a cylinder body, an oil port, an air outlet, a fixed shaft, an upper piston, a middle piston, a lower piston, rolling films and supporting films, wherein the interior of the cylinder body is provided with a cavity; the oil port and the air outlet are formed on the cylinder body; the fixed shaft is arranged in the central through hole of the cylinder body; the upper piston, the middle piston and the lower piston are sequentially arranged on the fixed shaft, the upper piston and the lower piston are respectively connected with the fixed shaft by virtue of locking nuts, the upper piston is provided with a flange plate, and the middle piston is positioned in the cavity of the cylinder body; the rolling films are respectively fixed between the upper piston and the cylinder body, between the middle piston and the cylinder body and between the lower piston and the cylinder body by virtue of film pressing plates; the inner cavity of the cylinder body is divided into two oil cavities by the middle piston and the rolling films; and the supporting films are arranged on the upper piston and the lower piston by virtue of film pressing blocks, and the edges of the supporting films are connected with the cylinder body by virtue of screws. According to the friction-free hydraulic cylinder, the cylinder body and the pistons are sealed by virtue of the soft rolling films, so that the O-shaped seal ring is prevented from generating friction.

Description

Be used for the zerofriction force oil hydraulic cylinder that primary mirror supports
Technical field
The present invention relates to primary mirror support technology field, be specifically related to a kind of zerofriction force oil hydraulic cylinder for the primary mirror support.
Background technique
Astronomical telescope is the important tool of human exploration of the universe, and its exploring ability is directly related with the primary mirror caliber size, and larger its light collecting light ability of primary mirror bore is stronger, and Effect on Detecting is better.Traditional heavy caliber telescope primary mirror supports normal operation mechanical type Whiffletree structure, the whiffletree structure be a kind of rocker structure with support force be evenly distributed to the contacted strong point in primary mirror minute surface back on, increase along with the primary mirror bore, the strong point number that needs increases, the whiffletree structure needs two-layer, three layers even more multi-layered structure, the difficulty that has greatly increased design, makes and debug uses the whiffletree structure to support also just more and more difficult to primary mirror.
At present, hydraulic pressure support on more external heavy caliber telescopes, hydraulic pressure support is as a kind of support form, it places the oil hydraulic cylinder that is interconnected below the strong point of primary mirror, because law of connected vessels, the support force of the oil hydraulic cylinder output of connection is identical, therefore hydraulic pressure support is also referred to as hydraulic pressure whiffletree structure, but compare traditional mechanical type whiffletree structure, the advantage such as hydraulic support system has more compact structure, and position regulation is more convenient.
The parts of most critical are oil hydraulic cylinders in the hydraulic support system, traditional oil hydraulic cylinder utilizes the O RunddichtringO as the seal element between cylinder body and the piston, in order to reach preferably sealing effect, it is very tight that the O RunddichtringO is extruded, cause the frictional force between cylinder body and the piston very large, and this frictional force does not allow to exist in heavy caliber telescope primary mirror support system, there is not the connecting vessels effect between the oil hydraulic cylinder that its existence will cause being communicated with, each oil hydraulic cylinder ouput force is not identical, the effect that each strong point of primary mirror minute surface is subject to different ouput forces easily causes surface deformation, has a strong impact on Effect on Detecting.
Summary of the invention
Adopt the sealing of O RunddichtringO and make the problem that produces frictional force between cylinder body and the piston in order to solve existing oil hydraulic cylinder, the invention provides a kind of zerofriction force oil hydraulic cylinder for the primary mirror support.
The present invention is that the technological scheme that adopts of technical solution problem is as follows:
Be used for the zerofriction force oil hydraulic cylinder that primary mirror supports, comprise:
The cylinder body of inner one-tenth cavity;
Be arranged on hydraulic fluid port and relief opening on the described cylinder body;
Be installed in the interior stationary axle of central through bore of described cylinder body;
Be installed in successively the upper piston on the described stationary axle, middle piston and lower piston, described upper piston and lower piston are fixedly linked by locking nut and described stationary axle respectively, are provided with flange plate on the described upper piston, and described middle piston is positioned at the cavity of described cylinder body;
Also comprise:
Be fixed on rolling film between described upper piston, middle piston, lower piston and the cylinder body by the film platen respectively, described middle piston and rolling film are divided into two oil pockets with inner chamber of cylinder block;
Be installed in support diaphragm on described upper piston and the lower piston by diaphragm follower respectively, described support diaphragm edge links to each other with described cylinder body by screw.
Described cylinder body comprises upper cylinder body and lower cylinder body, is provided with relief opening and upper hydraulic fluid port on the described upper cylinder body; Be provided with lower relief opening and lower hydraulic fluid port on the described lower cylinder body.
In the described upper relief opening outlet valve is installed; In the described lower relief opening lower outlet valve is installed.
On the described upper cylinder body rubber pad is installed.
Adopt upper rolling film sealing between described upper cylinder body and the upper piston, described upper rolling film is separately fixed on described upper cylinder body and the upper piston by the upper film platen;
Rolling film sealing in adopting between described upper cylinder body and the middle piston, described middle rolling film is separately fixed on described upper cylinder body and the middle piston by middle film platen;
Adopt lower rolling film sealing between described lower cylinder body and the lower piston, described lower rolling film is separately fixed on described lower cylinder body and the lower piston by lower film platen.
Described upper piston is fixedly linked by upper locking nut and described stationary axle; Described lower piston is fixedly linked by lower locking nut and described stationary axle.
Described support diaphragm comprises upper support diaphragm and lower support diaphragm;
Described upper support diaphragm edge is fixedly linked by screw and described upper cylinder body, its center is fixedly linked by screw and described upper piston, adopt the upper diaphragm briquetting to push down the upper support diaphragm, and by upper locking nut upper diaphragm briquetting, upper support diaphragm and upper piston are fixed locking;
Described lower support diaphragm edge is fixedly linked by screw and described lower cylinder body, its center is fixedly linked by screw and described lower piston, adopt lower diaphragm follower to push down the lower support diaphragm, and by lower locking nut lower diaphragm follower, lower support diaphragm and lower piston are fixed locking.
Described oil pocket comprises upper oil cavitie and lower oil cavitie, and described upper oil cavitie communicates with upper relief opening and upper hydraulic fluid port, and described lower oil cavitie communicates with lower relief opening and lower hydraulic fluid port.
Described rolling film is disk-like structure, and the thin film disk outer ring has installs with strumae or fastening flange, and fixed hole can be set or not arrange in the middle of the thin film disk.
Described rolling film adopts composite stratified material to make, and is divided into two-layerly, and first layer is the woven layer of terylene or other fibers, and the second layer is nitrile rubber layer or other oil resistant rubber layers.
The invention has the beneficial effects as follows:
1, oil hydraulic cylinder of the present invention is by using soft rolling film as the sealing between hydraulic cylinder body and the piston, the problem of having avoided using traditional O RunddichtringO and having produced frictional force, eliminated the frictional force between cylinder body and the piston, made the oil hydraulic cylinder of series connection really play the effect of connecting vessels;
2, oil hydraulic cylinder of the present invention is divided into two oil pockets by middle piston and rolling film with inner chamber of cylinder block, makes the motion of piston more stable, is not subjected to external interference;
3, oil hydraulic cylinder of the present invention also uses the strong support diaphragm of the weak lateral rigidity of axial rigidity as the positioning device of piston, makes the outbound course of piston controlled, compares and uses the traditional line bearing, without mechanisms such as oily linings, and structure is compacter, and efficient is higher;
4, oil hydraulic cylinder of the present invention is equipped with rubber pad at upper cylinder body, and when oil hydraulic cylinder was in resting state, the flange plate of upper piston fell within on the rubber pad, and the oil hydraulic cylinder of this moment is in a safe condition, and has increased the Security of oil hydraulic cylinder.
Description of drawings
Fig. 1 is the structural representation of the zerofriction force oil hydraulic cylinder that supports for primary mirror of the present invention;
Fig. 2 is that oil hydraulic cylinder of the present invention is unified into the realization of oil hydraulic cylinder group to the support schematic diagram of primary mirror by oil pipe string;
View when Fig. 3 is oil hydraulic cylinder rest of the present invention;
View when Fig. 4 is hydraulic cylinder works of the present invention.
Among the figure: 1, upper locking nut, 2, the upper diaphragm briquetting, 3, the upper support diaphragm, 4, rubber pad, 5, upper cylinder body, 6, upper relief opening, 7, upper outlet valve, 8, lower cylinder body, 9, lower relief opening, 10, lower outlet valve, 11, the lower support diaphragm, 12, lower diaphragm follower, 13, lower locking nut, 14, upper piston, 15, upper rolling film, 16, the upper film platen, 17, upper oil cavitie, 18, upper hydraulic fluid port, 19, middle piston, 20, middle rolling film, 21, middle film platen, 22, lower hydraulic fluid port, 23, lower oil cavitie, 24, lower film platen, 25, lower rolling film, 26, lower piston, 27, stationary axle, 28, oil pipe, 29, the oil hydraulic cylinder group.
Embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail.
As shown in Figure 1, zerofriction force oil hydraulic cylinder for the primary mirror support of the present invention, whole cylinder body is comprised of upper cylinder body 5 and lower cylinder body 8, upper cylinder body 5 and lower cylinder body 8 are set to one, cylinder interior forms cavity, leave relief opening 6 and upper hydraulic fluid port 18 on the cylinder body of upper cylinder body 5, install outlet valve 7 in the upper relief opening 6; Leave lower relief opening 9 and lower hydraulic fluid port 22 on the cylinder body of lower cylinder body 8, outlet valve 10 under the lower relief opening 9 interior installations.
Stationary axle 27 is installed in the central through bore of cylinder body, be equipped with successively from top to bottom on the stationary axle 27: upper locking nut 1, upper diaphragm briquetting 2, upper support diaphragm 3, upper piston 14, middle piston 19, lower piston 26, lower support diaphragm 11, lower diaphragm follower 12 and lower locking nut 13, stationary axle 27 forms an overall structure with these unit Series together, and this overall structure can move up and down in central through bore.
Upper support diaphragm 3 edges are fixedly linked by the projective structure of screw and upper cylinder body 5, its center is fixedly linked by screw and upper piston 14, adopt upper diaphragm briquetting 2 to push down upper support diaphragm 3, and be fixed locking by 1 pair of upper diaphragm briquetting 2 of upper locking nut, upper support diaphragm 3 and upper piston 14; Lower support diaphragm 11 edges are fixedly linked by the projective structure of screw and lower cylinder body 8, its center is fixedly linked by screw and lower piston 26, adopt lower diaphragm follower 12 to push down lower support diaphragm 11, and be fixed locking by lower locking nut 13 pairs of lower diaphragm followers 12, lower support diaphragm 11 and lower pistons 26.
Upper support diaphragm 3 and lower support diaphragm 11 adopt metal to make, its axial rigidity is very little and lateral rigidity is very large, in the time of on being fixed on piston and cylinder body, can guarantee piston at axial free movement and limited piston in radially displacement, thereby the outbound course of control piston has kept the radial rigidity of piston simultaneously.
Be provided with flange plate on the upper piston 14, the external diameter of middle piston 19 is maximum in three pistons, and upper piston 14 is identical with the external diameter of lower piston 26, and the setting of upper piston 14, middle piston 19 and lower piston 26 is the installations for convenient upper rolling film 15, middle rolling film 20 and lower rolling film 25.
Position near upper piston 14 on the upper cylinder body 5 is equipped with rubber pad 4, between the flange plate of rubber pad 4 and upper piston 14 certain interval is arranged, and when oil hydraulic cylinder was in resting state, the flange plate of upper piston 14 fell within on the rubber pad 4, played the safety supports effect.
Adopt upper rolling film 15 sealings between upper cylinder body 5 and the upper piston 14, upper rolling film 15 be separately fixed on the upper cylinder body 5 by upper film platen 16 and upper piston 14 on; Rolling film 20 sealings in adopting between upper cylinder body 5 and the middle piston 19, middle rolling film 20 be separately fixed on the upper cylinder body 5 by middle film platen 21 and middle piston 19 on; Adopt lower rolling film 25 sealings between lower cylinder body 8 and the lower piston 26, lower rolling film 25 is separately fixed on the lower cylinder body 8 upper and lower pistons 26 by lower film platen 24, the inner chamber of the sealing that upper cylinder body 5 and lower cylinder body 8 docking form is separated into two oil pockets by upper rolling film 15, middle rolling film 20 and lower rolling film 25, be upper oil cavitie 17 and lower oil cavitie 23, upper oil cavitie 17 communicates with upper relief opening 6 and upper hydraulic fluid port 18, and lower oil cavitie 23 communicates with lower relief opening 9 and lower hydraulic fluid port 22.
Upper rolling film 15, middle rolling film 20 and lower rolling film 25 are a kind of composite stratified material film, are divided into two-layerly, and first layer is the woven layer of terylene or other fibers, and the second layer is nitrile rubber layer or other oil resistant rubber layers; Upper rolling film 15, middle rolling film 20 and lower rolling film 25 are disk-like structure, and be very soft, and the thin film disk outer ring has installs with strumae or fastening flange, and the thin film disk centre can be left fixed hole or not stay.
Piston is subject to the oil pressure effect of oil pocket, and piston is more stable, by regulating the oil mass in the oil pocket, can regulating piston move up and down.
As shown in Figure 2, form oil hydraulic cylinder group 29 by oil pipe 28 between several oil hydraulic cylinders of connection, namely form the weight of connecting vessels shared primary mirror; Oil hydraulic cylinder has two kinds of working staties: working state and resting state, as shown in Figure 3, when oil hydraulic cylinder was in resting state, upper oil cavitie 17 was oil-filled, and lower oil cavitie 23 is removed oil, upper piston 14 falls, the flange plate of upper piston 14 falls within on the rubber pad 4, and this moment, oil hydraulic cylinder no longer was connecting vessels, and the weight of primary mirror is born by rubber pad 4, at this moment, oil hydraulic cylinder is in a safe condition; As shown in Figure 4, when oil hydraulic cylinder was in running order, upper oil cavitie 17 was removed oil, and lower oil cavitie 23 is oil-filled, and upper piston 14 rises, and the flange plate of upper piston 14 no longer contacts with rubber pad 4.
When oil hydraulic cylinder is used for the primary mirror support, mainly utilize law of connected vessels, a plurality of oil hydraulic cylinders are composed in series oil hydraulic cylinder group 29 by oil pipe 28, interior hydraulic cylinder force is identical on the same group, on the same group the weight of interior several oil hydraulic cylinder shared primary mirrors.

Claims (10)

1.用于主镜支撑的无摩擦力液压缸，包括：1. Frictionless hydraulic cylinder for primary mirror support, including: 内部成空腔的缸体；A cylinder with a cavity inside; 设置在所述缸体上的油口和排气口；An oil port and an exhaust port arranged on the cylinder block; 安装在所述缸体的中心通孔内的固定轴（27）；a fixed shaft (27) installed in the central through hole of the cylinder; 依次安装在所述固定轴（27）上的上活塞（14）、中活塞（19）和下活塞（26），所述上活塞（14）和下活塞（26）分别通过锁紧螺母与所述固定轴（27）固定相连，所述上活塞（14）上设置有法兰盘，所述中活塞（19）位于所述缸体的空腔内；The upper piston (14), the middle piston (19) and the lower piston (26) are sequentially installed on the fixed shaft (27), and the upper piston (14) and the lower piston (26) are respectively connected with the The fixed shaft (27) is fixedly connected, the upper piston (14) is provided with a flange, and the middle piston (19) is located in the cavity of the cylinder body; 其特征在于，还包括：It is characterized in that it also includes: 分别通过薄膜压盘固定在所述上活塞（14）、中活塞（19）、下活塞（26）与缸体之间的滚动薄膜，所述中活塞（19）和滚动薄膜将缸体内腔隔成两个油腔；The rolling film fixed between the upper piston (14), the middle piston (19), the lower piston (26) and the cylinder body respectively through the film pressure plate, the middle piston (19) and the rolling film connect the inner cavity of the cylinder separated into two oil chambers; 分别通过膜片压块安装在所述上活塞（14）和下活塞（26）上的支撑膜片，所述支撑膜片边缘通过螺钉与所述缸体相连。The supporting diaphragms are respectively installed on the upper piston (14) and the lower piston (26) through diaphragm pressing blocks, and the edges of the supporting diaphragms are connected with the cylinder body through screws. 2.根据权利要求1所述的用于主镜支撑的无摩擦力液压缸，其特征在于，2. The frictionless hydraulic cylinder for primary mirror support according to claim 1, characterized in that, 所述缸体包括上缸体（5）和下缸体（8），所述上缸体（5）上设置有上排气口（6）和上油口（18）；所述下缸体（8）上设置有下排气口（9）和下油口（22）。The cylinder includes an upper cylinder (5) and a lower cylinder (8), and the upper cylinder (5) is provided with an upper exhaust port (6) and an upper oil port (18); the lower cylinder (8) A lower exhaust port (9) and a lower oil port (22) are arranged on the top. 3.根据权利要求2所述的用于主镜支撑的无摩擦力液压缸，其特征在于，3. The frictionless hydraulic cylinder for primary mirror support according to claim 2, characterized in that, 所述上排气口（6）内安装有上排气阀（7）；所述下排气口（9）内安装有下排气阀（10）。An upper exhaust valve (7) is installed in the upper exhaust port (6); a lower exhaust valve (10) is installed in the lower exhaust port (9). 4.根据权利要求2所述的用于主镜支撑的无摩擦力液压缸，其特征在于，4. The frictionless hydraulic cylinder for primary mirror support according to claim 2, characterized in that, 所述上缸体（5）上安装有橡胶垫（4）。A rubber pad (4) is installed on the upper cylinder body (5). 5.根据权利要求2所述的用于主镜支撑的无摩擦力液压缸，其特征在于，5. The frictionless hydraulic cylinder for primary mirror support according to claim 2, characterized in that, 所述上缸体（5）与上活塞（14）之间采用上滚动薄膜（15）密封，所述上滚动薄膜（15）通过上薄膜压盘（16）分别固定在所述上缸体（5）和上活塞（14）上；The upper cylinder body (5) and the upper piston (14) are sealed by an upper rolling film (15), and the upper rolling film (15) is respectively fixed on the upper cylinder body ( 5) and the upper piston (14); 所述上缸体（5）与中活塞（19）之间采用中滚动薄膜（20）密封，所述中滚动薄膜（20）通过中薄膜压盘（21）分别固定在所述上缸体（5）和中活塞（19）上；The middle rolling film (20) is used to seal the upper cylinder (5) and the middle piston (19), and the middle rolling film (20) is respectively fixed on the upper cylinder ( 5) and the middle piston (19); 所述下缸体（8）与下活塞（26）之间采用下滚动薄膜（25）密封，所述下滚动薄膜（25）通过下薄膜压盘（24）分别固定在所述下缸体（8）和下活塞（26）上。The lower cylinder body (8) and the lower piston (26) are sealed by a lower rolling film (25), and the lower rolling film (25) is respectively fixed on the lower cylinder body ( 8) and the lower piston (26). 6.根据权利要求1所述的用于主镜支撑的无摩擦力液压缸，其特征在于，6. The frictionless hydraulic cylinder for primary mirror support according to claim 1, characterized in that, 所述上活塞（14）通过上锁紧螺母（1）与所述固定轴（27）固定相连；所述下活塞（26）通过下锁紧螺母（13）与所述固定轴（27）固定相连。The upper piston (14) is fixedly connected with the fixed shaft (27) through the upper lock nut (1); the lower piston (26) is fixed with the fixed shaft (27) through the lower lock nut (13) connected. 7.根据权利要求1所述的用于主镜支撑的无摩擦力液压缸，其特征在于，7. The frictionless hydraulic cylinder for primary mirror support according to claim 1, characterized in that, 所述支撑膜片包括上支撑膜片（3）和下支撑膜片（11）；The supporting membrane includes an upper supporting membrane (3) and a lower supporting membrane (11); 所述上支撑膜片（3）边缘通过螺钉与所述上缸体（5）固定相连，其中心通过螺钉与所述上活塞（14）固定相连，采用上膜片压块（2）压住上支撑膜片（3），并通过上锁紧螺母（1）对上膜片压块（2）、上支撑膜片（3）和上活塞（14）进行固定锁紧；The edge of the upper supporting diaphragm (3) is fixedly connected with the upper cylinder body (5) through screws, and its center is fixedly connected with the upper piston (14) through screws, and is pressed by the upper diaphragm pressing block (2) The upper supporting diaphragm (3), and the upper diaphragm pressing block (2), the upper supporting diaphragm (3) and the upper piston (14) are fixed and locked by the upper locking nut (1); 所述下支撑膜片（11）边缘通过螺钉与所述下缸体（8）固定相连，其中心通过螺钉与所述下活塞（26）固定相连，采用下膜片压块（12）压住下支撑膜片（11），并通过下锁紧螺母（13）对下膜片压块（12）、下支撑膜片（11）和下活塞（26）进行固定锁紧。The edge of the lower supporting diaphragm (11) is fixedly connected with the lower cylinder body (8) through screws, and its center is fixedly connected with the lower piston (26) through screws, and is pressed by the lower diaphragm pressing block (12). The lower supporting diaphragm (11), and the lower diaphragm pressing block (12), the lower supporting diaphragm (11) and the lower piston (26) are fixed and locked by the lower locking nut (13). 8.根据权利要求1或2所述的用于主镜支撑的无摩擦力液压缸，其特征在于，8. The frictionless hydraulic cylinder for primary mirror support according to claim 1 or 2, characterized in that, 所述油腔包括上油腔（17）和下油腔（23），所述上油腔（17）与上排气口（6）和上油口（18）相通，所述下油腔（23）与下排气口（9）和下油口（22）相通。The oil chamber includes an upper oil chamber (17) and a lower oil chamber (23), the upper oil chamber (17) communicates with the upper exhaust port (6) and the upper oil port (18), and the lower oil chamber ( 23) It communicates with the lower exhaust port (9) and the lower oil port (22). 9.根据权利要求1所述的用于主镜支撑的无摩擦力液压缸，其特征在于，9. The frictionless hydraulic cylinder for primary mirror support according to claim 1, characterized in that, 所述滚动薄膜为盘状结构，薄膜盘外圈有安装用瘤状突起或固定法兰，薄膜盘中间可设置或不设置固定孔。The rolling film has a disc-shaped structure, and the outer ring of the film disc has a tumor-like protrusion or a fixing flange for installation, and the middle of the film disc may or may not be provided with a fixing hole. 10.根据权利要求9所述的用于主镜支撑的无摩擦力液压缸，其特征在于，10. The frictionless hydraulic cylinder for primary mirror support according to claim 9, characterized in that, 所述滚动薄膜采用分层复合材料制成，分为两层，第一层为涤纶或其他纤维的纺织层，第二层为丁氰橡胶层或其他耐油橡胶层。The rolling film is made of layered composite material and is divided into two layers. The first layer is a textile layer of polyester or other fibers, and the second layer is a layer of nitrile rubber or other oil-resistant rubber layers.
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Cited By (7)

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CN105259635A (en) * 2015-11-17 2016-01-20 中国科学院长春光学精密机械与物理研究所 Whiffletree support structure applied to statically determined support of large-aperture reflector
CN105269563A (en) * 2015-11-30 2016-01-27 宁波新芝华东环保科技有限公司 Environment-friendly three-freedom-degree fetching mechanical arm used under dangerous work conditions
CN106950690A (en) * 2017-05-16 2017-07-14 谢秀娟 A kind of primary mirror of astronomical telescope hydraulic support device
CN107942503A (en) * 2017-09-13 2018-04-20 中国科学院国家天文台南京天文光学技术研究所 Extremely large telescope height shafting supports and driving hydraulic pressure whiffletree control mobile systems
CN109630495A (en) * 2018-10-19 2019-04-16 中国矿业大学 A kind of diaphragm support cylinder for large optical mirror processing
WO2020078042A1 (en) * 2018-10-19 2020-04-23 中国矿业大学 Optical lens spherical diaphragm support apparatus
CN111664133A (en) * 2020-06-16 2020-09-15 羊浩楠 Automatic adjustment support suitable for positioning different appearance structures

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JPS5594006A (en) * 1978-10-18 1980-07-17 Lucas Industries Ltd Master cylinder assembly with booster
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CN105259635A (en) * 2015-11-17 2016-01-20 中国科学院长春光学精密机械与物理研究所 Whiffletree support structure applied to statically determined support of large-aperture reflector
CN105269563A (en) * 2015-11-30 2016-01-27 宁波新芝华东环保科技有限公司 Environment-friendly three-freedom-degree fetching mechanical arm used under dangerous work conditions
CN106950690A (en) * 2017-05-16 2017-07-14 谢秀娟 A kind of primary mirror of astronomical telescope hydraulic support device
CN107942503A (en) * 2017-09-13 2018-04-20 中国科学院国家天文台南京天文光学技术研究所 Extremely large telescope height shafting supports and driving hydraulic pressure whiffletree control mobile systems
CN107942503B (en) * 2017-09-13 2020-04-21 中国科学院国家天文台南京天文光学技术研究所 Very Large Telescope Height Shafting Support and Drive Hydraulic Whiffletree Control Airborne System
CN109630495A (en) * 2018-10-19 2019-04-16 中国矿业大学 A kind of diaphragm support cylinder for large optical mirror processing
WO2020078042A1 (en) * 2018-10-19 2020-04-23 中国矿业大学 Optical lens spherical diaphragm support apparatus
CN111664133A (en) * 2020-06-16 2020-09-15 羊浩楠 Automatic adjustment support suitable for positioning different appearance structures
CN111664133B (en) * 2020-06-16 2022-01-28 瑞安市佳和模具有限公司 Automatic adjustment support suitable for positioning different appearance structures

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