CN109882651A - A kind of high-voltage high-speed shut-off valve - Google Patents
A kind of high-voltage high-speed shut-off valve Download PDFInfo
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- CN109882651A CN109882651A CN201910196526.4A CN201910196526A CN109882651A CN 109882651 A CN109882651 A CN 109882651A CN 201910196526 A CN201910196526 A CN 201910196526A CN 109882651 A CN109882651 A CN 109882651A
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- valve
- hook
- card slot
- welded
- valve body
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Abstract
The invention discloses a kind of high-voltage high-speed shut-off valves, its structure includes valve body, valve seat, left flange-interface, right flange-interface, intake tunnel, exhalant canal, piston and valve rod, resetting apparatus and locking device, the invention discloses a kind of high-voltage high-speed shut-off valves, the design proposes resetting apparatus and locking device design, it solves traditional rotate by valve to be closed, required time is longer, and possible valve is not completely turned off, the problem of causing the accident, pass through lower coping, spring-compressed, first hook and the second hook are inserted into the first card slot and the second card slot, and pass through rotation handle, drive first gear rotation, by chain drive, drive second gear rotation, so that the first hook and the rotation of the second hook, the first fixture block is blocked respectively and the second fixture block is fixed, reach quickly succinct by valve, avoid accident The beneficial effect of generation.
Description
Technical field
The present invention relates to shut-off valve technical fields, and in particular to a kind of high-voltage high-speed shut-off valve.
Background technique
Rapid cut-off valve is the important component of steam power plant's unit safety system, be guarantee extraction steam unit safe operation,
Prevent extraction line steam from flowing backwards the important safety equipment for causing Steam Turbine Over-speed Accident accident, with the rapid development of science and technology,
High-voltage high-speed shut-off valve has also obtained technological improvement, but the prior art, traditional rotated by valve are closed, taken
Between it is longer, thereby increases and it is possible to valve is not completely turned off, and is caused the accident.
Summary of the invention
In order to overcome the shortage of prior art, it is proposed that a kind of high-voltage high-speed shut-off valve solves traditional by valve turn
Dynamic to be closed, required time is longer, thereby increases and it is possible to which the problem of valve is not completely turned off, and is caused the accident has reached quickly succinct
By valve, the beneficial effect that avoids accident from occurring.
The present invention is achieved through the following technical solutions: the invention proposes a kind of high-voltage high-speed shut-off valves, including valve body, valve
Seat, left flange-interface, right flange-interface, intake tunnel, exhalant canal, piston, valve rod, filter screen, resetting apparatus and locking dress
It sets, the valve seat top and valve body bottom end carry out vertical welding, and the left flange-interface right end is welded with valve body left end, institute
It states right flange-interface left end to be welded with valve body right end, in valve inner left end, the water outlet is logical for the intake tunnel setting
Road setting is arranged between intake tunnel right end and exhalant canal left end in valve inner right end, the piston, and the valve rod is left
End is threadedly coupled with piston upper end, and the valve rod upper end passes through top end of the valve body, and the resetting apparatus is arranged in top end of the valve body
Middle part, the locking device are arranged in resetting apparatus upper end, and the intake tunnel inside left-end is provided with filter screen, the reset
Device is made of pedestal, the first card slot, the second card slot, the first fixture block, the second fixture block, spring and top plate, described pedestal or so two
It is bolted at left and right sides of end and top end of the valve body, first card slot is arranged on the right side of pedestal top, first fixture block
Be arranged inside the first card slot and with welded on the upside of the first card slot interior forward end, second fixture block is arranged in the second card slot
It is internal and with welded on the upside of the second card slot interior forward end, the spring top is welded with top plate bottom end, the spring
Bottom end is welded with pedestal top middle portion, and the valve rod upper end passes through spring inner, and the valve stem tip passes through nut and top
Plate top middle portion is snapped connection, and the locking device is by protective cover, the first hook, the second hook, first gear, the second tooth
Wheel, chain and handle composition, the protective cover left end are threadedly coupled by screw with protective cover top, first hook
Upper end passes through on the right side of protective cover top and carries out left end connection with protective cover top right side, and first hook lower end passes through top plate
It is rotatablely connected on the right side of top and with top plate top right side, second hook upper end passes through top plate top left hand and and top plate
Top left hand is rotatablely connected, and is welded on the inside of the first gear with the first hook outer upper end, the second gear
Inside is welded with the second hook outer upper end, is intermeshed on the inside of the chain right end on the outside of first gear, the chain
It is intermeshed on the inside of left end on the outside of second gear, the handle bottom end is welded with the first hook top.
Further, it is penetrated through at the top of intake tunnel right end bottom and exhalant canal left end.
Further, first card slot and the second card slot shape are in rectangle, and inline on pedestal top.
Further, first hook and the second hook shape are L-shaped, and rotational angle is 0-90 degree.
Further, the handle shape is rounded, diameter 5cm, and outer surface is provided with skid resistance strip.
Further, the protective cover is in rectangle, long 12cm, wide 6cm, high 4cm.
Further, the top plate 97 is 15cm long, wide 10cm, high 1cm.
Further, the pedestal material is spheroidal graphite cast-iron.
Further, the material of first hook is tool steel.
The present invention compared with the existing technology, has the advantages that
It is closed to solve traditional rotate by valve, required time is longer, thereby increases and it is possible to which valve is not completely turned off, and is caused
The problem of accident, the design propose resetting apparatus and locking device design, solve traditional rotate by valve and are closed,
Required time is longer, thereby increases and it is possible to which the problem of valve is not completely turned off, and is caused the accident passes through lower coping, spring-compressed, by
One hook and the second hook are inserted into the first card slot and the second card slot, and by rotation handle, first gear rotation are driven, by chain
Item transmission drives second gear rotation, so that the first hook and the rotation of the second hook, block the first fixture block and the second fixture block respectively
It is fixed, reaches quickly succinct by valve, the beneficial effect for avoiding accident from occurring.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is schematic diagram of internal structure of the invention；
Fig. 3 is resetting apparatus schematic diagram of internal structure of the invention；
Fig. 4 is locking device schematic diagram of internal structure of the invention；
In figure: valve body -1, valve seat -2, left flange-interface -3, right flange-interface -4, intake tunnel -5, exhalant canal -6, piston -
7, valve rod -8, resetting apparatus -9, locking device -10, filter screen -11, pedestal -91, the first card slot -92, the second card slot -93,
One fixture block -94, the second fixture block -95, spring -96, top plate -97, protective cover -101, the first hook -102, the second hook -103,
One gear -104, second gear -105, chain -106, handle -107.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Please refer to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the present invention provides a kind of high-voltage high-speed shut-off valve: including valve body 1, valve seat 2,
Left flange-interface 3, right flange-interface 4, intake tunnel 5, exhalant canal 6, piston 7, valve rod 8, filter screen 11,9 and of resetting apparatus
Locking device 10,2 top of valve seat and 1 bottom end of valve body carry out vertical welding, and left 3 right end of flange-interface is welded with 1 left end of valve body
It connects, right 4 left end of flange-interface is welded with 1 right end of valve body, and intake tunnel 5 is arranged in 1 inside left end of valve body, exhalant canal 6
Setting is arranged between 6 left end of 5 right end of intake tunnel and exhalant canal in 1 inside right end of valve body, piston 7,8 left end of valve rod and work
It fills in 7 upper ends to be threadedly coupled, 8 upper end of valve rod passes through 1 top of valve body, and the setting of resetting apparatus 9 is in 1 top middle portion of valve body, locking
Device 10 is arranged in 9 upper end of resetting apparatus, and 5 inside left-end of intake tunnel is provided with filter screen 11, resetting apparatus 9 by pedestal 91,
First card slot 92, the second card slot 93, the first fixture block 94, the second fixture block 95, spring 96 and top plate 97 form, 91 left and right ends of pedestal
It is bolted with 1 top of the valve body left and right sides, the first card slot 92 is arranged on the right side of 91 top of pedestal, the setting of the first fixture block 94
The inside of the first card slot 92 and with 92 interior forward end of the first card slot on the upside of welded, the second fixture block 95 is arranged in the second card slot 93
It is internal and with welded on the upside of 93 interior forward end of the second card slot, 96 top of spring is welded with 97 bottom end of top plate, spring 96
Bottom end is welded with 91 top middle portion of pedestal, and 8 upper end of valve rod passes through inside spring 96, and 8 top of valve rod passes through nut and top plate
97 top middle portions are snapped connection, and locking device 10 is by protective cover 101, the first hook 102, the second hook 103, first gear
104, second gear 105, chain 106 and handle 107 form, and 101 left end of protective cover is carried out by screw and 101 top of protective cover
It is threadedly coupled, 102 upper end of the first hook passes through on the right side of 101 top of protective cover and carries out left end company with 101 top of protective cover right side
It connects, 102 lower end of the first hook passes through on the right side of 97 top of top plate and is rotatablely connected with 97 top of top plate right side, the second hook
103 upper ends pass through 97 top left hand of top plate and are rotatablely connected with 97 top left hand of top plate, 104 inside of first gear and first
102 outer upper end of hook is welded, and 105 inside of second gear is welded with 103 outer upper end of the second hook, chain 106
On the inside of right end be intermeshed on the outside of first gear 104, on the inside of 106 left end of chain be intermeshed on the outside of second gear 105, turn
107 bottom ends and 102 top of the first hook are welded.
Wherein, it is penetrated through at the top of the 5 right end bottom of intake tunnel and 6 left end of exhalant canal, is conducive to the flowing of water, so that
Water flow can be normal through.
Wherein, first card slot 92 and 93 shape of the second card slot are in rectangle, and inline on 91 top of pedestal,
The first hook 102 and the second hook 103 can be effectively made to protrude into and wherein be fixed.
Wherein, first hook 102 and 103 shape of the second hook are L-shaped, and rotational angle is 0-90 degree, can be effective
Be fixed, and limit rotational angle can prevent the first hook 102 and the second hook 103 from turning over head.
Wherein, 107 shape of handle is rounded, diameter 5cm, and outer surface is provided with skid resistance strip, can be effective
Increase friction, avoids rubber sleeve.
Wherein, the protective cover 101 is in rectangle, and long 12cm, wide 6cm, high 4cm can effectively avoid chain 106 external
Damage.
Wherein, the top plate 97 is 15cm long, wide 10cm, high 1cm, increases contact area, is conducive to push valve rod 8.
Wherein, 91 material of pedestal is spheroidal graphite cast-iron, and intensity is high, and toughness foot, wearability are high.
Wherein, the material of first hook 102 is tool steel, and hardness is high, and wearability is good, and use scope is wide.
91 material of pedestal described in this patent be spheroidal graphite cast-iron, spheroidal graphite cast-iron be 20th century the fifties grow up one
Kind high strength cast iron material, comprehensive performance are based on its excellent performance, have been successfully used to cast close to steel
Stress is complicated, the more demanding part of intensity, toughness, wearability, spheroidal graphite cast-iron rapidly developed for be only second to gray cast iron, answer
It is so-called " with iron Dai Gang " with very extensive cast iron materials, spheroidal graphite cast-iron is referred mainly to, spheroidal graphite cast-iron is by nodularization and womb
Reason obtains globular graphite, effectively improves the mechanical performance of cast iron, in particular improves plasticity and toughness, to obtain comparing carbon
The also high intensity of steel.
Working principle: water inlet pipe is connected by left flange-interface 3 with valve body 1 first, then by outlet pipe and right flange
Interface 4 is connected, and allows the water to enter exhalant canal 6 by intake tunnel 5, completes a connection, in the on state, piston
7 are located at 5 upper end of intake tunnel, and filter screen 11 plays the role of stopping pollution impurity, when needing to close valve, when by water blocking,
It can quickly be closed by resetting apparatus 9 and locking device 10, first be pushed top plate 97, so that spring 96 is compressed, and valve
Bar 8 also declines therewith, so that piston 7 be pushed, intake tunnel 5 and exhalant canal 6 is connected out and is blocked, water flow is blocked, when
Top plate 97 can not continue to push, and the first hook 102 and the second hook 103 have goed deep into the first card slot 92 and the second card slot 93
When, handle 107 is rotated, handle 107 drives the rotation of the first hook 102,102 upper end of the first hook is provided with first gear 104,
And first gear 104 is connected by chain 106 with second gear 105, the rotation of first gear 104 therewith, second gear 105 also with
Rotation, thus drive the second hook 103 rotation, the first hook 102 and the second hook 103 are respectively in the first card slot 92 and second
90 degree of rotation, is placed exactly in 95 lower end of the first fixture block 94 and the second fixture block, such first hook 102 and the second hook in card slot 93
103 is fixed, so that piston 7 is completed to block not in movement, when valve to be opened, opposite direction rotates handle 107, so that
First hook 102 and the second hook 103 are detached from the first fixture block 94 and the second fixture block 95, under the action of spring 96 top plate 97 by
Upper jack-up, so that valve rod 8 is upwards, upwards, so that intake tunnel 5 and exhalant canal 6 circulate, the design proposes multiple band piston 7
Position device 9 and locking device 10 design, and solve traditional rotate by valve and are closed, required time is longer, thereby increases and it is possible to
The problem of valve is not completely turned off, and is caused the accident, by lower coping 97, spring 96 compresses, by the first hook 102 and second
Hook 103 is inserted into the first card slot 92 and the second card slot 93, and by rotation handle 107, first gear 104 is driven to rotate, by
Chain 106 is driven, and second gear 105 is driven to rotate, so that the first hook 102 and the rotation of the second hook 103, block first respectively
Fixture block 94 and the second fixture block 95 are fixed, and reach quickly succinct by valve, the beneficial effect for avoiding accident from occurring.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of high-voltage high-speed shut-off valve, including valve body (1), valve seat (2), left flange-interface (3), right flange-interface (4), water inlet
Channel (5), exhalant canal (6), piston (7), valve rod (8) and filter screen (11), it is characterised in that: further include resetting apparatus (9)
With locking device (10), valve seat (2) top and valve body (1) bottom end carry out vertical welding, left flange-interface (3) right end
It is welded with valve body (1) left end, right flange-interface (4) left end is welded with valve body (1) right end, the intake tunnel
(5) setting is in the internal left end of valve body (1), and exhalant canal (6) setting is in the internal right end of valve body (1), piston (7) setting
Between intake tunnel (5) right end and exhalant canal (6) left end, valve rod (8) left end and piston (7) upper end carry out screw thread company
It connects, valve rod (8) upper end passes through valve body (1) top, and the resetting apparatus (9) is arranged in valve body (1) top middle portion, the lock
Determine device (10) to be arranged in resetting apparatus (9) upper end, intake tunnel (5) inside left-end is provided with filter screen (11), described
Resetting apparatus (9) is by pedestal (91), the first card slot (92), the second card slot (93), the first fixture block (94), the second fixture block (95), bullet
Spring (96) and top plate (97) composition, pedestal (91) left and right ends and valve body (1) top left and right sides are bolted, institute
The first card slot (92) setting is stated on the right side of pedestal (91) top, the first fixture block (94) setting it is internal in the first card slot (92) and
With welded on the upside of the first card slot (92) interior forward end, second fixture block (95) setting it is internal in the second card slot (93) and with
It is welded on the upside of second card slot (93) interior forward end, spring (96) top is welded with top plate (97) bottom end, described
Spring (96) bottom end is welded with pedestal (91) top middle portion, and valve rod (8) upper end passes through spring (96) inside, the valve
Bar (8) top is snapped connection by nut and top plate (97) top middle portion, and the locking device (10) is by protective cover
(101), the first hook (102), the second hook (103), first gear (104), second gear (105), chain (106) and handle
(107) it forms, protective cover (101) left end is threadedly coupled by screw with protective cover (101) top, first card
Hook (102) upper end pass through on the right side of protective cover (101) top and with carry out left end connection on the right side of protective cover (101) top, described the
One hook (102) lower end passes through on the right side of top plate (97) top and is rotatablely connected with top plate (97) top right side, described second
Hook (103) upper end passes through top plate (97) top left hand and is rotatablely connected with top plate (97) top left hand, first tooth
It is welded on the inside of wheel (104) with the first hook (102) outer upper end, second gear (105) inside and the second hook
(103) outer upper end is welded, and is intermeshed on the inside of chain (106) right end on the outside of first gear (104), the chain
It is intermeshed on the inside of item (106) left end on the outside of second gear (105), handle (107) bottom end and the first hook (102) are pushed up
It is welded at end.
2. a kind of high-voltage high-speed shut-off valve according to claim 1, it is characterised in that: intake tunnel (5) the right end bottom
It is penetrated through at the top of portion and exhalant canal (6) left end.
3. a kind of high-voltage high-speed shut-off valve according to claim 1, it is characterised in that: first card slot (92) and second
Card slot (93) shape is in rectangle, and inline on pedestal (91) top.
4. a kind of high-voltage high-speed shut-off valve according to claim 1, it is characterised in that: first hook (102) and
Two hooks (103) shape is L-shaped, and rotational angle is 0-90 degree.
5. a kind of high-voltage high-speed shut-off valve according to claim 1, it is characterised in that: handle (107) shape is in circle
Shape, diameter 5cm, and outer surface is provided with skid resistance strip.
6. a kind of high-voltage high-speed shut-off valve according to claim 1, it is characterised in that: the protective cover (101) is in rectangle,
Long 12cm, wide 6cm, high 4cm.
7. a kind of high-voltage high-speed shut-off valve according to claim 1, it is characterised in that: the top plate (97) long 15cm, it is wide
10cm, high 1cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910196526.4A CN109882651B (en) | 2019-03-15 | 2019-03-15 | High-pressure quick shut-off valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910196526.4A CN109882651B (en) | 2019-03-15 | 2019-03-15 | High-pressure quick shut-off valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109882651A true CN109882651A (en) | 2019-06-14 |
| CN109882651B CN109882651B (en) | 2020-03-17 |
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ID=66932526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910196526.4A Active CN109882651B (en) | 2019-03-15 | 2019-03-15 | High-pressure quick shut-off valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109882651B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW240283B (en) * | 1993-10-20 | 1995-02-11 | Rinnai Kk | Operation apparatus |
| CN2603267Y (en) * | 2003-01-30 | 2004-02-11 | 陈岩 | Lock controller and key for turn open valve |
| CN201551171U (en) * | 2009-10-21 | 2010-08-18 | 蔡适波 | Anti-scald water tap |
| CN103939659A (en) * | 2014-03-19 | 2014-07-23 | 哈尔滨工程大学 | Hydraulic self-locking stop valve |
| CN107061764A (en) * | 2017-06-13 | 2017-08-18 | 北京艾迪西暖通科技有限公司 | Moment shut-off valve |
| CN107448672A (en) * | 2017-08-02 | 2017-12-08 | 河南森源电气股份有限公司 | The fuel outlet valve pilferproof closure of box-type substation |
-
2019
- 2019-03-15 CN CN201910196526.4A patent/CN109882651B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW240283B (en) * | 1993-10-20 | 1995-02-11 | Rinnai Kk | Operation apparatus |
| CN2603267Y (en) * | 2003-01-30 | 2004-02-11 | 陈岩 | Lock controller and key for turn open valve |
| CN201551171U (en) * | 2009-10-21 | 2010-08-18 | 蔡适波 | Anti-scald water tap |
| CN103939659A (en) * | 2014-03-19 | 2014-07-23 | 哈尔滨工程大学 | Hydraulic self-locking stop valve |
| CN107061764A (en) * | 2017-06-13 | 2017-08-18 | 北京艾迪西暖通科技有限公司 | Moment shut-off valve |
| CN107448672A (en) * | 2017-08-02 | 2017-12-08 | 河南森源电气股份有限公司 | The fuel outlet valve pilferproof closure of box-type substation |
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| Publication number | Publication date |
|---|---|
| CN109882651B (en) | 2020-03-17 |
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