CN111828665A - Frame suitable for multi-aperture double-face sealing vacuum gate valve - Google Patents
Frame suitable for multi-aperture double-face sealing vacuum gate valve Download PDFInfo
- Publication number
- CN111828665A CN111828665A CN202010709571.8A CN202010709571A CN111828665A CN 111828665 A CN111828665 A CN 111828665A CN 202010709571 A CN202010709571 A CN 202010709571A CN 111828665 A CN111828665 A CN 111828665A
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- China
- Prior art keywords
- valve plate
- vacuum gate
- gate valve
- valve
- frame
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- 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
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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
- F16K3/02—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
- F16K3/029—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 with two or more gates
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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
- F16K3/02—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
- F16K3/16—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 with special arrangements for separating the sealing faces or for pressing them together
- F16K3/18—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 with special arrangements for separating the sealing faces or for pressing them together by movement of the closure members
- F16K3/182—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 with special arrangements for separating the sealing faces or for pressing them together by movement of the closure members by means of toggle links
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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
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
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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
- F16K51/00—Other details not peculiar to particular types of valves or cut-off apparatus
- F16K51/02—Other details not peculiar to particular types of valves or cut-off apparatus specially adapted for high-vacuum installations
Abstract
The invention discloses a frame suitable for a multi-caliber double-face sealing vacuum gate valve. The frame comprises a spine support, a valve plate I and a valve plate II which are parallel to the spine support and are symmetrical up and down; the lower surface of the valve plate I and the upper surface of the valve plate II are fixedly provided with a supporting seat which is symmetrical up and down, and the supporting seat is fixedly connected with the bulge of the spine support through a supporting rod; wheel shaft mechanisms are arranged on the upper side, the lower side, the left side and the right side of the valve plate I and the valve plate II respectively, and limit the valve plate I and the valve plate II to horizontally move back and forth through the wheel shaft mechanisms; when the vacuum gate valve is opened and closed, the backbone-type support is driven by the driving device to move forwards to drive the supporting rod to move from an inclined state to a vertical state, when the supporting rod moves to the vertical state, the valve plate I and the valve plate II are in bidirectional vacuum sealing with the cavity of the vacuum gate valve, and axial reaction force borne by the backbone-type support is balanced. The frame solves the problem that the vacuum gate valve is damaged when the stress direction of the valve plate of the vacuum gate valve is reversed.
Description
Technical Field
The invention belongs to the technical field of wind tunnel equipment, and particularly relates to a frame suitable for a multi-aperture double-face sealing vacuum gate valve.
Background
At present, a conventional vacuum gate valve mostly adopts a structural form of a single frame and a single gate valve, but with the increasing complexity of a vacuum system, particularly in the vacuum system of a large wind tunnel group, one set of vacuum system needs to provide vacuum guarantee for a plurality of wind tunnels, and the vacuum system is guaranteed to provide vacuum guarantee for a specified wind tunnel through switching of the vacuum gate valve before a wind tunnel test. In the process, the condition that the stress direction of the valve plate of the vacuum gate valve is changed can occur.
Because the wind tunnel vacuum system has a large scale, the aperture of the configured vacuum gate valve is also large, and the apertures of the currently used vacuum gate valves comprise DN2000, DN3000, DN3600, DN4000 and DN 4500. When the vacuum gate valve is in a closed state, the calculation formula of the differential pressure force applied to the valve plate is as follows:
F＝△P×A (1)
in the formula, F is the internal and external pressure difference force borne by the valve plate, delta P is the pressure difference on two sides of the valve plate, in an extreme state, the pressure difference delta P on two ends of the valve plate of the vacuum gate valve is approximately equal to 0.1MPa, and A is the pressed area of the valve plate. For vacuum gate valves of different calibers: a ═ pi D2/4. For example: for the DN4500 vacuum gate valve, the maximum differential pressure force borne by the valve plate in the closed state is about 160 tons.
If the DN4500 vacuum gate valve adopts a structural form of a single frame and a single valve plate, when the frame side bears high pressure, the vacuum gate valve is in a sealing state, and the frame and the valve plate can be ensured not to deform due to stress because of the rigid connection of the valve plate and the frame; however, when a force in the opposite direction is applied, i.e. the valve plate side is subjected to a high pressure, the frame is in a cantilever state, and a large differential pressure force directly causes the frame to deform, so that the vacuum gate valve is damaged.
At present, the development of a novel framework suitable for a multi-aperture double-sided sealing vacuum gate valve is urgently needed.
Disclosure of Invention
The invention aims to solve the technical problem of providing a frame suitable for a multi-aperture double-sided sealing vacuum gate valve.
The invention relates to a frame suitable for a multi-aperture double-sided sealing vacuum gate valve, which is characterized in that: the frame comprises a spine type bracket positioned on a horizontal central axis, and a valve plate I and a valve plate II which are vertically and symmetrically arranged and are parallel to the horizontal central axis; the lower surface of the valve plate I and the upper surface of the valve plate II are fixedly provided with a supporting seat which is symmetrical up and down, and the supporting seat is fixedly connected with the bulge of the spine type bracket through a supporting rod;
wheel shaft mechanisms are arranged on the upper side, the lower side, the left side and the right side of the valve plate I and the valve plate II and limit the valve plate I and the valve plate II to horizontally move back and forth; when the vacuum gate valve moves from the opening direction to the closing direction, the spine support is driven by the driving device to move along the direction vertical to the axial direction of the vacuum gate valve, the supporting rod is driven to move from the inclined state to the vertical state, when the supporting rod moves to the vertical state, the valve plate I and the valve plate II realize bidirectional vacuum sealing with the cavity of the vacuum gate valve, and the axial reaction force received by the spine support is balanced.
Furthermore, the movement stroke of the spine support is limited by a stroke switch arranged on the cavity of the vacuum gate valve, when the spine support is contacted with the stroke switch, the spine support moves in place, and the driving device stops working.
Furthermore, the supporting rod is fixedly connected with the supporting seat through a pin shaft or a hinge.
Furthermore, the support rod is fixedly connected with the bulge of the spine support through a pin shaft or a hinge.
The framework is suitable for the multi-aperture double-face sealing vacuum gate valve, is not limited by the aperture of the vacuum gate valve, and has universality.
The movement stroke of the spine support in the frame of the multi-aperture double-sided sealing vacuum gate valve is limited by the stroke switch arranged on the cavity of the vacuum gate valve, so that the spine support can be accurately positioned.
The distance between the supporting seats in the frame of the multi-caliber double-face sealing vacuum gate valve can be designed to be large enough, and the vacuum gate valve is convenient to maintain.
The invention is suitable for the axial reaction force balance of the spinal support in the frame of the multi-aperture double-face sealing vacuum gate valve, and solves the problem that the vacuum gate valve is damaged when the stress direction of the valve plate of the vacuum gate valve is reversed.
Drawings
FIG. 1 is a schematic structural view of a frame suitable for a multi-aperture double-sided sealing vacuum gate valve of the present invention in an open state of the vacuum gate valve;
fig. 2 is a schematic structural view of a frame suitable for a multi-aperture double-sided sealing vacuum gate valve in a closed state of the vacuum gate valve.
In the figure, 1, a spine type support 2, a support rod 3, a valve plate I4, a valve plate II 5 and a support seat.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples.
The frame suitable for the multi-aperture double-sided sealing vacuum gate valve comprises a spine type bracket 1 positioned on a horizontal central axis, a valve plate I3 and a valve plate II 4 which are vertically and symmetrically arranged and are parallel to the horizontal central axis; the lower surface of the valve plate I3 and the upper surface of the valve plate II 4 are fixedly provided with a supporting seat 5 which is symmetrical up and down, and the supporting seat 5 is fixedly connected with the bulge of the spine support 1 through a supporting rod 2;
wheel shaft mechanisms are arranged on the upper side, the lower side, the left side and the right side of the valve plate I3 and the valve plate II 4 respectively, and limit the valve plate I3 and the valve plate II 4 to horizontally move back and forth through the wheel shaft mechanisms; when the vacuum gate valve moves from the opening direction to the closing direction, the backbone type support 1 is driven by the driving device to move along the direction vertical to the axial direction of the vacuum gate valve, meanwhile, the supporting rod 2 is driven to move from the inclined state to the vertical state, when the supporting rod 2 moves to the vertical state, the valve plate I3 and the valve plate II 4 realize bidirectional vacuum sealing with the cavity of the vacuum gate valve, and the axial reaction force received by the backbone type support 1 is balanced.
Furthermore, the movement stroke of the spine support 1 is limited by a stroke switch arranged on the cavity of the vacuum gate valve, when the spine support 1 is contacted with the stroke switch, the spine support 1 moves in place, and the driving device stops working.
Furthermore, the support rod 2 and the support base 5 are fixedly connected through a pin shaft or a hinge.
Furthermore, the support rod 2 is fixedly connected with the bulge of the spine support 1 through a pin shaft or a hinge.
The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
The number of the supporting seats 5 of the following embodiments is 8, the lower surface of the valve plate I3 is provided with 4 supporting seats 5, the upper surface of the valve plate II 4 is provided with another 4 supporting seats 5 which are symmetrical to the supporting seats 5 on the lower surface of the valve plate I3, and correspondingly, the spine support 1 is provided with 4 pairs of protrusions which are symmetrical up and down.
Example 1
The embodiment is a working process of a framework suitable for a multi-aperture double-sided sealing vacuum gate valve in a state from opening to closing of the vacuum gate valve.
FIG. 1 shows the open state of the vacuum gate valve, when the vacuum gate valve needs to be closed, the backbone bracket 1 is pushed by the driving device to move along the arrow direction, and the support rod 2, the valve plate I3 and the valve plate II 4 move along the arrow direction along with the backbone bracket 1 due to no external force. After valve plate I3 and valve plate II 4 put in place, valve plate I3 and valve plate II 4 receive positioner's on the vacuum push-pull valve cavity restriction, can't continue to move along the arrow direction, backbone support 1 continues to move along the arrow direction under drive arrangement's effect this moment to make bracing piece 2 move to the vertical state by the tilt state, when bracing piece 2 moved to the vertical state, valve plate I3 and valve plate II 4 just realized sealedly with the vacuum push-pull valve cavity, backbone support 1 also contacted with the travel switch that sets up on the vacuum push-pull valve cavity simultaneously, drive arrangement stop work, the two-way vacuum seal is realized to the vacuum push-pull valve.
Example 2
The embodiment is a working process of a framework suitable for a multi-aperture double-sided sealing vacuum gate valve in a state from closing to opening of the vacuum gate valve.
FIG. 2 shows a closed state of the vacuum gate valve, when the vacuum gate valve needs to be opened, the backbone type bracket 1 is dragged by the driving device to move along the direction opposite to the arrow shown in FIG. 1, along with the movement of the backbone type bracket 1, the support rod 2, the valve plate I3 and the valve plate II 4 move along the backbone type bracket 1 under the action of pulling force, the support rod 2 moves from a vertical state to an inclined state to drive the valve plate I3 and the valve plate II 4 to move along the direction opposite to the arrow shown in FIG. 2, after the valve plate I3 and the valve plate II 4 are in place, the sliding valve can not move continuously along the direction opposite to the arrow shown in fig. 2, at the moment, the spine support 1 moves continuously under the action of the driving device, and the supporting rod 2, the valve plate I3 and the valve plate II 4 move along the direction opposite to the arrow shown in fig. 1 along with the spine support 1 due to no external force action until the sliding valve is opened in place, and the vacuum gate valve is completely opened.
Although the embodiments of the present invention have been disclosed above, it is not limited to the applications listed in the description and the embodiments, but it can be applied to various fields suitable for the present invention. Additional modifications and refinements of the present invention will readily occur to those skilled in the art without departing from the principles of the present invention, and therefore the present invention is not limited to the specific details and illustrations shown and described herein without departing from the general concept defined by the claims and their equivalents.
Claims (4)
1. The utility model provides a frame suitable for many calibers two-sided sealed vacuum gate valve which characterized in that: the frame comprises a spine support (1) positioned on a horizontal central axis, and a valve plate I (3) and a valve plate II (4) which are vertically and symmetrically arranged and are parallel to the horizontal central axis; the lower surface of the valve plate I (3) and the upper surface of the valve plate II (4) are fixedly provided with a supporting seat (5) which is symmetrical up and down, and the supporting seat (5) is fixedly connected with the bulge of the spine type bracket (1) through a supporting rod (2);
wheel shaft mechanisms are arranged on the upper side, the lower side, the left side and the right side of the valve plate I (3) and the valve plate II (4) respectively, and limit the valve plate I (3) and the valve plate II (4) to horizontally move back and forth; when the vacuum gate valve moves from the opening direction to the closing direction, the spine support (1) is driven by the driving device to move along the direction vertical to the axial direction of the vacuum gate valve, the supporting rod (2) is driven to move from the inclined state to the vertical state at the same time, when the supporting rod (2) moves to the vertical state, the valve plate I (3) and the valve plate II (4) realize bidirectional vacuum sealing with the cavity of the vacuum gate valve, and the axial reaction force received by the spine support (1) is balanced.
2. The frame for a multi-caliber double-sided sealed vacuum gate valve as defined in claim 1, wherein: the movement stroke of the spine support (1) is limited by a stroke switch arranged on the vacuum gate valve cavity, when the spine support (1) is contacted with the stroke switch, the spine support (1) moves in place, and the driving device stops working.
3. The frame for a multi-caliber double-sided sealed vacuum gate valve as defined in claim 1, wherein: the supporting rod (2) is fixedly connected with the supporting seat (5) through a pin shaft or a hinge.
4. The frame for a multi-caliber double-sided sealed vacuum gate valve as defined in claim 1, wherein: the supporting rod (2) is fixedly connected with the bulge of the spine type bracket (1) through a pin shaft or a hinge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010709571.8A CN111828665A (en) | 2020-07-22 | 2020-07-22 | Frame suitable for multi-aperture double-face sealing vacuum gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010709571.8A CN111828665A (en) | 2020-07-22 | 2020-07-22 | Frame suitable for multi-aperture double-face sealing vacuum gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111828665A true CN111828665A (en) | 2020-10-27 |
Family
ID=72926000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010709571.8A Pending CN111828665A (en) | 2020-07-22 | 2020-07-22 | Frame suitable for multi-aperture double-face sealing vacuum gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111828665A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115435102A (en) * | 2022-11-07 | 2022-12-06 | 中国空气动力研究与发展中心超高速空气动力研究所 | Control system and control method for double-sided sealing vacuum plugboard valve |
| CN116045018A (en) * | 2023-03-30 | 2023-05-02 | 成都中科唯实仪器有限责任公司 | Large-caliber rectangular gate valve |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3208717A (en) * | 1962-01-29 | 1965-09-28 | Palmer Filter Equipment Compan | Valve |
| CN2463619Y (en) * | 2001-02-09 | 2001-12-05 | 刘连城 | Horizontal blind plate valve |
| CN101457844A (en) * | 2009-01-04 | 2009-06-17 | 丁东胜 | Double gate valve |
| US20110233442A1 (en) * | 2008-12-01 | 2011-09-29 | Kongsberg Esco As | Double disc gate valve |
| CN202790604U (en) * | 2012-08-22 | 2013-03-13 | 爱发科中北真空（沈阳）有限公司 | Double sealed gate valve device for vacuum furnace |
| CN210178967U (en) * | 2019-06-28 | 2020-03-24 | 郑州金诚信筛网设备有限公司 | High leakproofness push-pull valve |
| CN111226064A (en) * | 2017-10-13 | 2020-06-02 | 莱恩Tmd有限公司 | Valve assembly |
-
2020
- 2020-07-22 CN CN202010709571.8A patent/CN111828665A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3208717A (en) * | 1962-01-29 | 1965-09-28 | Palmer Filter Equipment Compan | Valve |
| CN2463619Y (en) * | 2001-02-09 | 2001-12-05 | 刘连城 | Horizontal blind plate valve |
| US20110233442A1 (en) * | 2008-12-01 | 2011-09-29 | Kongsberg Esco As | Double disc gate valve |
| CN101457844A (en) * | 2009-01-04 | 2009-06-17 | 丁东胜 | Double gate valve |
| CN202790604U (en) * | 2012-08-22 | 2013-03-13 | 爱发科中北真空（沈阳）有限公司 | Double sealed gate valve device for vacuum furnace |
| CN111226064A (en) * | 2017-10-13 | 2020-06-02 | 莱恩Tmd有限公司 | Valve assembly |
| CN210178967U (en) * | 2019-06-28 | 2020-03-24 | 郑州金诚信筛网设备有限公司 | High leakproofness push-pull valve |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115435102A (en) * | 2022-11-07 | 2022-12-06 | 中国空气动力研究与发展中心超高速空气动力研究所 | Control system and control method for double-sided sealing vacuum plugboard valve |
| CN115435102B (en) * | 2022-11-07 | 2023-01-24 | 中国空气动力研究与发展中心超高速空气动力研究所 | Control system and control method for double-sided sealing vacuum plugboard valve |
| CN116045018A (en) * | 2023-03-30 | 2023-05-02 | 成都中科唯实仪器有限责任公司 | Large-caliber rectangular gate valve |
| CN116045018B (en) * | 2023-03-30 | 2023-07-04 | 成都中科唯实仪器有限责任公司 | Large-caliber rectangular gate valve |
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Application publication date: 20201027 |