CN105889539B - Large scale opposite opened schlieren protection device - Google Patents
Large scale opposite opened schlieren protection device Download PDFInfo
- Publication number
- CN105889539B CN105889539B CN201610435957.8A CN201610435957A CN105889539B CN 105889539 B CN105889539 B CN 105889539B CN 201610435957 A CN201610435957 A CN 201610435957A CN 105889539 B CN105889539 B CN 105889539B
- Authority
- CN
- China
- Prior art keywords
- valve plate
- schlieren
- valve body
- valve
- protection device
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0281—Guillotine or blade-type valves, e.g. no passage through the valve member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/316—Guiding of the slide
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/046—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor with electric means, e.g. electric switches, to control the motor or to control a clutch between the valve and the motor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
Abstract
A kind of large scale opposite opened schlieren protection device provided by the invention, including：Valve body,First valve plate,Second valve plate,First driving swing arm,Second driving swing arm,Transmission mechanism and YE,Valve body is in case shape,Corresponding the first light hole and the second light hole are respectively arranged with the front-back of valve body,First valve plate and the second valve plate are slidably disposed in valve body,The rectangular shape of first valve plate and it is provided with one and light hole size identical through hole,First valve plate and the second valve plate are to caused pressure difference in balanced valve body,YE to give transmission mechanism provide power,By setting two pieces of valve plates in the inside of schlieren valve body,And two pieces of valve plates are slidably disposed in the form in slide rail group by sliding block,The time for making schlieren protection device be expended in startup and closing greatly shortens,When the schlieren cylinder diameter of schlieren is more than 1250mm,Said apparatus can also be completed to start or closed in 3 seconds.
Description
Technical field
The present invention relates to a kind of optical device, particularly a kind of large scale opposite opened schlieren protection device.
Background technology
In existing high vacuum pilot system, experiment driving and cut-off two stages, the pressure in equipment test section
Acute variation can occur, on the one hand the change of pressure can impact to precision equipments such as the speculums of schlieren cylinder both ends placement,
Expendable change occurs for the position and posture for making these equipment, so as to cause schlieren equipment can not normal imaging；The opposing party
Face may also evoke the impurity particle on ground, be the surface of optical element in the particles hit of high-speed motion to schlieren cylinder, may
The surface of optical element is caused to wear, influences the image quality of system, need to be in equipment test to prevent the generation of the above situation
Section schlieren cylinder between install window protection device, it is existing be protect schlieren and improve image quality technical scheme for
Install American " slide valve " device between equipment test section and schlieren cylinder additional, some balances are provided with the flashboard of " slide valve "
The hole of pressure difference, the pressure difference at flashboard both ends can be balanced or adjust, and can plays a part of protecting schlieren, but with science and technology
Progress and development, limitation existing for prior art is exposed, the shortcomings that prior art：First, when testpieces is that mould is compared in contracting
Substantially steady keying can be realized during type, and can realize shockproof and open and close two position self-lockings, but when testpieces is
During full scale model, i.e., when schlieren cylinder size is more than DN1250, the existing protection device can not be realized less than 3s fast opening and closings
Requirement；Second, opening and closing time is grown, if the diameter of schlieren cylinder is more than DN1250, opening and closing time (one-stroke) is not less than 6s；
Third, impact is big, vibrations are big, it is impossible to even running, if the size of schlieren cylinder is more than DN1250 and requires that it is quickly opened simultaneously
Close, then its impact, vibrations are very big；Fourth, it is unable to self-locking opening and closing position.
The content of the invention
In order to solve the above-mentioned technical problem, a kind of large scale opposite opened schlieren protection device is provided, it passes through in line
The inside of shadow instrument valve body sets two pieces of valve plates, and two pieces of valve plates are slidably disposed in the form in slide rail group by sliding block, greatly
The big translational speed for improving schlieren protection device, makes the time that schlieren protection device expends in startup and closing significantly
Shorten, when the schlieren cylinder diameter of schlieren is more than 1250mm, said apparatus can also be completed to start or closed in 3 seconds, be reached
The quick requirement for starting and closing, two valve plates are connected with driving swing arm respectively, and two can be realized in the position for starting and closing
The self-locking of valve plate.
A kind of large scale opposite opened schlieren protection device provided by the invention, including：Valve body, the first valve plate, the second valve
Plate, the first driving swing arm, the second driving swing arm, transmission mechanism and YE, the valve body are in case shape, the valve body
Corresponding the first light hole and the second light hole are respectively arranged with front-back, first valve plate is slidably disposed in institute
State in valve body and be connected by the described first driving swing arm with the transmission mechanism, the rectangular shape of first valve plate and is provided with
One is slidably disposed in the valve body and by described with the light hole size identical through hole, second valve plate
Second driving swing arm is connected with the transmission mechanism, and first valve plate and second valve plate are provided with logical with the valve body
The side of unthreaded hole is parallel, and be provided with gap between first valve plate and second valve plate produces to balance in the valve body
Pressure difference, the YE to give the transmission mechanism provide power.
Further, the upper and lower surface of the valve inner is provided with the slide rail group being parallel to each other, the slide rail group and institute
State valve body be provided with light hole side it is parallel, first valve plate and second valve plate are slidably disposed in the cunning
Rail group.
Further, in addition to multiple sliding blocks, multiple sliding blocks are slidably disposed in the slide rail group respectively.
Further, first valve plate is slidably connected by the sliding block and the slide rail group.
Further, second valve plate is slidably connected by the sliding block and the slide rail group.
Further, the transmission mechanism includes first gear mechanism and second gear mechanism, the first gear mechanism
The both sides of the valve body are separately positioned on the second gear mechanism and the major axis by connecting valve body is attached, the length
Axle is used to make the first gear mechanism and second gear mechanism synchronous axial system.
Further, first light hole is identical with the diameter of second light hole.
Further, above-mentioned large scale opposite opened schlieren protection device also includes frequency converter, the frequency converter with it is described
YE electrically connects.
In summary, a kind of large scale opposite opened schlieren protection device provided by the invention compared with prior art its
Have the advantage that by setting the form of the first valve plate and second two pieces of valve plates of valve plate in the inside of valve body, to make schlieren
The time that instrument protection device expends in startup and closing greatly shortens, when the schlieren cylinder diameter of schlieren is more than 1250mm,
Said apparatus can also be completed to start or closed in 3 seconds, reach the quick requirement for starting and closing, and the first valve plate drives by first
Movable pendulum arm is connected with transmission mechanism, and the second valve plate is connected by the second driving swing arm with transmission mechanism, and transmission mechanism is swing arm
Transmission mechanism, the angular displacement of rotation is converted into the horizontal displacement of the first valve plate and the second valve plate by swing arm, can start and
Realize the self-locking of two valve plates in the position of closing；First valve plate and the second valve plate are slidably disposed in by sliding block and use
Form in slide rail group, the translational speed of schlieren protection device is substantially increased, and ensure the first valve plate and the second valve plate fortune
Turn stable, impact and vibrations will not be produced；Transmission mechanism is using the major axis of connection valve body by first gear mechanism and second gear
Mechanism is attached, and the power provided simultaneously by same YE, ensure that first gear mechanism and second gear
Mechanism synchronous axial system；YE be adjustably controlled rotation by frequency converter, ensure transmission mechanism, the first valve plate and
The operating of second valve plate is stable, makes whole device smooth running, quick and will not produce impact and vibrations.
Brief description of the drawings
Fig. 1 is the front view of large scale opposite opened schlieren protection device provided by the invention；
Fig. 2 is the top view of large scale opposite opened schlieren protection device provided by the invention；
Fig. 3 is the connection view at the sliding block of large scale opposite opened schlieren protection device provided by the invention；
In figure：
1st, valve body；2nd, the first valve plate；3rd, the second valve plate；4th, the first driving swing arm；
5th, the second driving swing arm；6th, transmission mechanism；7th, YE；
8th, sliding block；11st, slide rail group.
Embodiment
The present invention is described in further details with specific embodiment below in conjunction with the accompanying drawings：
As shown in Figure 1 to Figure 3, a kind of large scale opposite opened schlieren protection device provided by the invention, including：Valve body 1,
First valve plate 2, the driving swing arm 4, second of the second valve plate 3, first drive swing arm 5, transmission mechanism 6 and YE 7, valve body 1
In case shape, corresponding the first light hole and the second light hole are respectively arranged with the front-back of valve body 1, the first valve plate 2 can
That slides being arranged in valve body 1 and being connected by the first driving swing arm 4 with transmission mechanism 6,2 rectangular shape of the first valve plate and setting
There are one and light hole size identical through hole, the second valve plate 3 is slidably disposed in valve body 1 and by the second driving swing arm
5 are connected with transmission mechanism 6, and the side that the first valve plate 2 and the second valve plate 3 are provided with light hole with valve body 1 is parallel, the first valve plate
2 and second be provided with gap between valve plate 3 to balance caused pressure difference in valve body 1, the first valve plate 2 and the second valve plate 3 to
Stop the light by the first light hole and the second light hole, YE 7 passes through to provide power to transmission mechanism 6
In the inside of valve body 1, the form of the first valve plate 2 and second 3 two pieces of valve plates of valve plate is set, make schlieren protection device starting and
The time expended during closing greatly shortens, and when the schlieren cylinder diameter of schlieren is more than 1250mm, said apparatus also can be in 3 seconds
Complete to start or close, reach the quick requirement for starting and closing, the first valve plate 2 passes through the first driving swing arm 4 and transmission mechanism 7
Connection, the second valve plate 3 are connected by the second driving swing arm 5 with transmission mechanism 7, and transmission mechanism 7 is swing arm transmission mechanism, is passed through
The angular displacement of rotation is converted into the horizontal displacement of the first valve plate 2 and the second valve plate 3 by swing arm, can be real in the position for starting and closing
The self-locking of existing two valve plates.
In a preferred embodiment, the upper and lower surface inside valve body 1 is provided with the slide rail group 11 being parallel to each other, slide rail
The side that group 11 is provided with light hole with valve body 1 is parallel, and the first valve plate 2 and the second valve plate 3 are slidably disposed in slide rail group
On 11, the first valve plate 2 and the second valve plate 3 substantially increase schlieren using the form being slidably disposed in slide rail group 11
The translational speed of instrument protection device, and ensure that the first valve plate 2 and the operating of the second valve plate 3 are stable, impact and vibrations will not be produced.
In a preferred embodiment, in addition to multiple sliding blocks 8, multiple sliding blocks 8 are slidably disposed in slide rail respectively
In group 11, by using the form of sliding block, ensure that the first valve plate 2 and the operating of the second valve plate 3 are stable, impact and shake will not be produced
It is dynamic.
In a preferred embodiment, the first valve plate 2 is slidably connected by sliding block 8 and slide rail group 11, ensures the first valve
The operating of plate 2 is stable, will not produce impact and vibrations.
In a preferred embodiment, the second valve plate 3 is slidably connected by sliding block 8 and slide rail group 11, ensures the second valve
The operating of plate 3 is stable, will not produce impact and vibrations.
In a preferred embodiment, transmission mechanism 6 includes first gear mechanism and second gear mechanism, first gear
Mechanism is separately positioned on the both sides of valve body 1 with second gear mechanism and the major axis by connecting valve body 1 is attached, and major axis is used for
Make first gear mechanism and second gear mechanism synchronous axial system, transmission mechanism 6 is using the form of the major axis of connection valve body 1 by first
Gear mechanism and second gear mechanism are attached, and the power provided simultaneously by same YE 7, ensure that first
Gear mechanism and second gear mechanism synchronous axial system.
In a preferred embodiment, the diameter of the first light hole and the second light hole is identical, ensures above-mentioned schlieren
Image quality.
In a preferred embodiment, in addition to frequency converter, frequency converter electrically connects with YE 7, adjustable
The rotation of YE 7 is controlled, ensures that transmission mechanism 6, the first valve plate 2 and the operating of the second valve plate 3 are stable, transports whole device
Turn steady, quick and impact and vibrations will not be produced.
The operation process of said apparatus is described as follows, and YE starts, and the control by frequency converter is transmission mechanism
Power is provided, the first gear mechanism of transmission mechanism synchronously starts with second gear mechanism in the case where connecting the drive of major axis of valve body
Rotate, drive the first driving swing arm and the second driving swing arm to be operated, first drives swing arm and the second driving swing arm band respectively
Dynamic first valve plate and the second valve plate are moved by sliding block in slide rail group along slide rail, pass through the first valve plate and the second valve plate
It is mobile, complete the startup and closing of above-mentioned schlieren protection device.
Described above, only presently preferred embodiments of the present invention is not intended to limit the invention, every skill according to the present invention
Any trickle amendment, equivalent substitution and the improvement that art is substantially made to above example, should be included in technical solution of the present invention
Protection domain within.
Claims (8)
- A kind of 1. large scale opposite opened schlieren protection device, it is characterised in that including：Valve body, the first valve plate, the second valve plate, First driving swing arm, the second driving swing arm, transmission mechanism and YE, the valve body are in case shape, before the valve body Corresponding the first light hole and the second light hole are respectively arranged with below, first valve plate is slidably disposed in described It is connected in valve body and by the described first driving swing arm with the transmission mechanism, the rectangular shape of first valve plate and is provided with one It is individual with the light hole size identical through hole, second valve plate is slidably disposed in the valve body and by described the Two driving swing arms are connected with the transmission mechanism, and first valve plate and second valve plate are provided with thang-kng with the valve body The side in hole is parallel, and it is caused in the valve body to balance to be provided with gap between first valve plate and second valve plate Pressure difference, the YE to give the transmission mechanism provide power.
- 2. a kind of large scale opposite opened schlieren protection device according to claim 1, it is characterised in that in the valve body The upper and lower surface in portion is provided with the slide rail group being parallel to each other, and the side that the slide rail group is provided with light hole with the valve body is put down OK, first valve plate and second valve plate are slidably disposed in the slide rail group.
- 3. a kind of large scale opposite opened schlieren protection device according to claim 2, it is characterised in that also including multiple Sliding block, multiple sliding blocks are slidably disposed in the slide rail group respectively.
- A kind of 4. large scale opposite opened schlieren protection device according to claim 3, it is characterised in that first valve Plate is slidably connected by the sliding block and the slide rail group.
- A kind of 5. large scale opposite opened schlieren protection device according to claim 3, it is characterised in that second valve Plate is slidably connected by the sliding block and the slide rail group.
- A kind of 6. large scale opposite opened schlieren protection device according to claim 1, it is characterised in that the driver Structure includes first gear mechanism and second gear mechanism, and the first gear mechanism and the second gear mechanism are separately positioned on Both sides of the valve body and major axis by connecting valve body is attached, the major axis are used to make the first gear mechanism and institute State second gear mechanism synchronous axial system.
- 7. a kind of large scale opposite opened schlieren protection device according to claim 1, it is characterised in that described first is logical Unthreaded hole is identical with the diameter of second light hole.
- 8. a kind of large scale opposite opened schlieren protection device according to claim 1, it is characterised in that also including frequency conversion Device, the frequency converter electrically connect with the YE.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610435957.8A CN105889539B (en) | 2016-06-17 | 2016-06-17 | Large scale opposite opened schlieren protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610435957.8A CN105889539B (en) | 2016-06-17 | 2016-06-17 | Large scale opposite opened schlieren protection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105889539A CN105889539A (en) | 2016-08-24 |
| CN105889539B true CN105889539B (en) | 2018-02-02 |
Family
ID=56729767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610435957.8A Active CN105889539B (en) | 2016-06-17 | 2016-06-17 | Large scale opposite opened schlieren protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105889539B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO345461B1 (en) * | 2019-05-23 | 2021-02-15 | Ik Norway As | A valve assembly for controlling the flow of a medium in a pipeline |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4779024A (en) * | 1986-08-26 | 1988-10-18 | General Electric Company | Deflection system for light valve projectors of the schlieren dark field type |
| US4802735A (en) * | 1986-04-10 | 1989-02-07 | General Electric Company | Light valve projector having an improved bar plate configuration |
| CN201444140U (en) * | 2009-06-19 | 2010-04-28 | 锦州航星光电设备有限公司 | Schlieren apparatus light source system |
| CN202484329U (en) * | 2012-02-08 | 2012-10-10 | 厦门积硕科技有限公司 | Electric sliding valve |
| CN103454308A (en) * | 2013-09-23 | 2013-12-18 | 中国科学技术大学 | Apparatus for testing flame propagation and flame suppression in flammable gas and air premixed gas explosion process |
| CN203432964U (en) * | 2013-09-06 | 2014-02-12 | 中国科学技术大学 | Test device for high-pressure combustible gas leakage spontaneous combustion and shock wave induced ignition |
| CN205780968U (en) * | 2016-06-17 | 2016-12-07 | 北票真空设备有限公司 | Large scale opposite opened schlieren protection device |
-
2016
- 2016-06-17 CN CN201610435957.8A patent/CN105889539B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4802735A (en) * | 1986-04-10 | 1989-02-07 | General Electric Company | Light valve projector having an improved bar plate configuration |
| US4779024A (en) * | 1986-08-26 | 1988-10-18 | General Electric Company | Deflection system for light valve projectors of the schlieren dark field type |
| CN201444140U (en) * | 2009-06-19 | 2010-04-28 | 锦州航星光电设备有限公司 | Schlieren apparatus light source system |
| CN202484329U (en) * | 2012-02-08 | 2012-10-10 | 厦门积硕科技有限公司 | Electric sliding valve |
| CN203432964U (en) * | 2013-09-06 | 2014-02-12 | 中国科学技术大学 | Test device for high-pressure combustible gas leakage spontaneous combustion and shock wave induced ignition |
| CN103454308A (en) * | 2013-09-23 | 2013-12-18 | 中国科学技术大学 | Apparatus for testing flame propagation and flame suppression in flammable gas and air premixed gas explosion process |
| CN205780968U (en) * | 2016-06-17 | 2016-12-07 | 北票真空设备有限公司 | Large scale opposite opened schlieren protection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105889539A (en) | 2016-08-24 |
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