CN108775409B - Counterweight type flue gate valve with good sealing performance - Google Patents
Counterweight type flue gate valve with good sealing performance Download PDFInfo
- Publication number
- CN108775409B CN108775409B CN201811013123.3A CN201811013123A CN108775409B CN 108775409 B CN108775409 B CN 108775409B CN 201811013123 A CN201811013123 A CN 201811013123A CN 108775409 B CN108775409 B CN 108775409B
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- Prior art keywords
- valve
- valve plate
- chute
- fixing
- balancing weight
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- 238000007789 sealing Methods 0.000 title claims abstract description 17
- 239000000428 dust Substances 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
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
- F16K3/0254—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 being operated by particular means
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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
-
- 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
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sliding Valves (AREA)
Abstract
The invention discloses a counterweight type flue gate valve with good sealing performance, which comprises a main body, wherein a valve plate is fixedly arranged on the main body, the valve plate is connected with a fixed pulley, the other end of the fixed pulley is connected with a counterweight block, the counterweight block is arranged on a unhooking device, the unhooking device is connected with an air cylinder, the other end of the counterweight block is connected with an electric hoist, and the electric hoist is fixedly arranged on a spandrel girder; the valve plate is fixedly arranged on the chute, the chute is arranged on the support column, and a sealing gasket is arranged between the valve plate and the main body. The problem that the gate valve is not easy to open and close is solved.
Description
Technical Field
The invention relates to the field of gate valves, in particular to a counterweight type flue gate valve with good sealing performance.
Background
The gate valve is also called as a manual knife gate valve, and the knife gate valve is a valve with a gate plate and a valve seat which are always in tight contact and seal, and the principle is that a circular opening with the size of an drift diameter is formed on the gate plate, and the circular opening on the gate plate is completely separated from the drift diameter and is matched with the drift diameter through the opening and closing of the gate plate. The valve has the advantages that the valve body has no groove in the drift diameter, the medium can not be blocked, the valve has full-flux radial flow characteristic, and the sealing structure can be divided into a soft sealing structure and a hard sealing structure. The penetrating knife gate valve has the characteristics of precise structure, good manufacturability, compact structure and the like, and the sealing valve seat is of a movable structure design and has the functions of wear resistance and automatic compensation, so that the service life is longer. The valve seat and the flashboard are always in close contact with each other in the closing and opening processes, so that the opening and closing force of the valve is stable, and the valve has the characteristics of cutting off media and the like. Enters China from the eighties. In less than twenty years, the application range of the material is expanded from the common field to wider industries. Coal dressing, gangue removal and slag removal from a mine power plant. The sewage treatment of cities is developed, and the sewage treatment is developed from a common industrial pipeline to a professional pipeline system of foods, sanitation, medicines and the like. The ultrathin knife gate valve thoroughly solves the problems of large flow resistance, heavy weight, difficult installation, large occupied area and the like of common gate valves, flat gate valves, ball valves, stop valves, regulating valves, butterfly valves and the like by the advantages of small volume, small flow resistance, light weight, easy installation, easy disassembly and the like. After the knife gate valve appears, a large number of common shut-off type valves and regulating valves have been replaced. Today, the largest amount of knife gate valves used is in the united states and japan.
Disclosure of Invention
The invention aims to provide a counterweight type flue gate valve with good sealing performance, which solves the problem that the gate valve is not easy to open and close.
In order to solve the technical problems, the invention adopts the following technical scheme:
The counterweight type flue gate valve with good sealing performance comprises a main body, wherein a valve plate is fixedly arranged on the main body, the valve plate is connected with a fixed pulley, the other end of the fixed pulley is connected with a counterweight block, the counterweight block is arranged on a unhooking device, the unhooking device is connected with an air cylinder, the other end of the counterweight block is connected with an electric hoist, and the electric hoist is fixedly arranged on a spandrel girder;
The valve plate is fixedly arranged on the chute, the chute is arranged on the support column, and a sealing gasket is arranged between the valve plate and the main body.
Further; the valve plate wall is uniformly provided with a disc, the side wall of the disc is provided with a brush, the middle of the disc is provided with a rotating shaft, the two rotating shafts are connected through a driven rod, and the right horizontal rotating shaft is provided with a driving rod;
the side wall of the valve plate is provided with a first lug;
the chute is of a concave hollow structure, the concave surface of the chute is provided with a small hole, and the concave surface is provided with a second bump.
Further; the bottom of the chute is provided with a connecting hole;
the top of the main body is provided with a through hole, the lower part of the through hole is provided with a collecting groove, two ends of the collecting groove are communicated with the connecting hole of the chute, the bottom surface of the collecting groove is conical, and the bottom of the collecting groove is connected with a discharge pipe;
The bottom of the valve plate is provided with a compression pad, and the length and width of the compression pad are larger than those of the through hole.
Further; and the tail end of the driving rod is provided with a telescopic pad.
Further; the unhooking device includes: the device comprises a first fixing rod, a fixing plate, a first connecting shaft, a second fixing hook and a second fixing rod;
the first fixing rod is fixedly arranged on the spandrel girder, the bottom of the first fixing rod is connected with the fixing plate, a first connecting shaft is arranged in the middle of the fixing plate and is connected with the second connecting shaft through a belt, a second fixing hook and a second fixing rod are arranged at the bottom of the fixing plate, the second fixing rod is fixed on the second fixing hook, and the tail end of the second fixing rod is fixedly arranged on the balancing weight;
The second connecting shaft is arranged at the upper part of the air cylinder, the bottom of the air cylinder is provided with a first fixed hook, and the bent hook shape of the first fixed hook is matched with the bent hook shape of the second fixed hook.
Further; the cylinder is controlled by an electromagnetic valve.
Compared with the prior art, the invention has the beneficial effects that:
1. According to the invention, the unhooking device connected with the air cylinder enables the balancing weight fixed by the unhooking device to move downwards, the fixed pulley connected with the balancing weight enables the valve plate to move upwards, and the valve is opened; the electric hoist that the balancing weight other end is connected makes the balancing weight upward movement, and the fixed pulley that the balancing weight is connected makes the valve plate downwards simultaneously, and the motion valve is closed, has realized opening and shutting of valve.
2. When the valve plate moves up and down, the driving rod on the valve plate is in contact with the second lug of the chute, the driving rod enables the rotating shaft to rotate, the rotating shaft rotates to enable the driven rod to drive, the rotating shaft also enables the disc to rotate, the brush on the side wall of the disc cleans the chute contacted with the valve plate, dust stays on the chute when passing through the valve, and the dust of the chute is collected in the chute through the small holes.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention.
Fig. 2 is a schematic diagram of a connection structure of a valve plate in the present invention.
Fig. 3 is a schematic diagram of a connection structure of a valve plate and a chute in the present invention.
Fig. 4 is a schematic structural view of a valve plate in the present invention.
Fig. 5 is a schematic structural view of the unhooking device in the present invention.
Fig. 6 is a schematic structural view of a main body in the present invention.
In the figure: 1-electric hoist, 2-spandrel girder, 3-pillar, 4-spout, 5-sealing gasket, 6-main body, 7-valve plate, 8-unhook device, 9-cylinder, 10-balancing weight, 11-fixed pulley, 12-pivot, 13-disc, 14-brush, 15-compression pad, 16-driven pole, 17-driving pole, 18-first lug, 19-second lug, 20-collecting vat, 21-discharge pipe, 22-first dead lever, 23-fixed plate, 24-first connecting axle, 25-first fixed hook, 26-second fixed hook, 27-second dead lever, 28-second connecting axle.
Detailed Description
The present invention will be further described in detail with reference to the drawings and examples, as shown in fig. 1-6, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Example 1:
The counterweight type flue gate valve with good sealing performance comprises a main body 6, wherein a valve plate 6 is fixedly arranged on the main body 6, the valve plate 7 is connected with a fixed pulley 11, the other end of the fixed pulley 11 is connected with a counterweight block 10, the counterweight block 10 is arranged on a unhooking device 8, the unhooking device 8 is connected with a cylinder 9, the other end of the counterweight block 10 is connected with an electric hoist 1, and the electric hoist 1 is fixedly arranged on a spandrel girder 2;
The valve plate 7 is fixedly arranged on the chute 4, the chute 4 is arranged on the support column 3, and a sealing gasket 5 is arranged between the valve plate 7 and the main body 6; the unhooking device 8 connected with the air cylinder 9 enables the balancing weight 10 fixed by the unhooking device 8 to move downwards, the fixed pulley 11 connected with the balancing weight 10 enables the valve plate 6 to move upwards, and the valve is opened; the electric hoist 1 that the balancing weight 10 other end is connected makes balancing weight 10 upward movement, and the fixed pulley 11 that the balancing weight 10 is connected makes valve plate 6 downward simultaneously, and the motion valve is closed, has realized opening and shutting of valve, satisfies the needs.
Example 2:
On the basis of the embodiment 1, a disc 13 is uniformly arranged on the wall of the valve plate 7, brushes 14 are arranged on the side wall of the disc 13, a rotating shaft 12 is arranged in the middle of the disc 13, horizontal rotating shafts 12 on the valve plate 7 are connected through a driven rod 16, and driving rods 17 are arranged on the two rotating shafts 12;
The side wall of the valve plate 7 is provided with a first lug 18;
The chute 4 is of a concave hollow structure, a small hole is formed in the concave surface of the chute 4, and a second bump 19 is arranged on the concave surface; when the valve plate 7 moves up and down, the driving rod 17 on the valve plate 7 contacts with the second bump 19 of the chute 4, the driving rod 17 enables the rotating shaft 12 to rotate, the rotating shaft 12 rotates and enables the rotating shaft 12 driven by the driven rod 16 to rotate, the rotating shaft 12 also enables the disc 13 to rotate, the brush 14 on the side wall of the disc 13 cleans the chute 4 contacted with the valve plate 7, dust stays on the chute 4 when passing through the valve, and the dust of the chute 4 is collected in the chute 4 through the small hole.
Example 3:
on the basis of the embodiment 1-2, the bottom of the chute 4 is provided with a connecting hole;
The top of the main body 6 is provided with a through hole, the lower part of the through hole is provided with a collecting groove 20, two ends of the collecting groove 20 are communicated with the connecting holes of the sliding groove 4, the bottom surface of the collecting groove 20 is conical, and the bottom of the collecting groove 20 is connected with a discharge pipe 21;
The bottom of the valve plate 7 is provided with a compression pad 15, and the length and width of the compression pad 15 are larger than those of the through hole; dust in the chute 4 enters the collecting tank 20 through the connecting hole, and when the valve is opened, part of dust in the channel enters the collecting tank 20 through the through hole, and the dust in the chute 4 enters the collecting tank 20 through the connecting hole, and the bottom surface of the collecting tank 20 is arranged into a cone shape so that the dust is discharged from the discharge pipe 21.
Example 4:
on the basis of the embodiments 1-3, a telescopic pad is arranged on the tail end of the driving rod 17; the telescopic pad at the end of the driving rod 17 facilitates the driving rod 17 to move when the valve plate 7 moves downwards.
Example 5:
On the basis of embodiments 1-4, the unhooking device 8 comprises: a first fixing lever 22, a fixing plate 23, a first connecting shaft 24, a second fixing hook 26, a second fixing lever 27;
the first fixing rod 22 is fixedly arranged on the spandrel girder 2, the bottom of the first fixing rod 22 is connected with the fixing plate 23, a first connecting shaft 24 is arranged in the middle of the fixing plate 23, the first connecting shaft 24 is connected with a second connecting shaft 28 through a belt, a second fixing hook 26 and a second fixing rod 27 are arranged at the bottom of the fixing plate 23, the second fixing rod 27 is fixed on the second fixing hook 26, and the tail end of the second fixing rod 27 is fixedly arranged on the balancing weight 10;
the second connecting shaft 28 is arranged at the upper part of the air cylinder 9, the bottom of the air cylinder 9 is provided with a first fixed hook 25, and the bent hook shape of the first fixed hook 25 is matched with the bent hook shape of the second fixed hook 26; when the cylinder 9 is compressed, the bent hook shape of the first fixed hook 25 is separated from the bent hook shape of the second fixed hook 26, the balancing weight 10 moves downwards, the fixed pulley 11 connected with the balancing weight 10 enables the valve plate 6 to move upwards, the valve is opened, when the valve is moved to close the electric hoist 1, the balancing weight 10 moves upwards and the cylinder 9 is in a natural state, the bent hook shape of the first fixed hook 25 is matched with the bent hook shape of the second fixed hook 26, and the balancing weight 10 is fixed on the unhooking device 8.
Example 6:
on the basis of examples 1-5, the cylinder 9 is controlled by a solenoid valve; the solenoid valve operates the cylinder 9.
Although the application has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the scope and spirit of the principles of this disclosure. More specifically, various variations and modifications may be made to the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, drawings and claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will be apparent to those skilled in the art.
Claims (2)
1. The utility model provides a better counter weight formula flue push-pull valve of leakproofness, includes main part (6), its characterized in that: the valve plate (7) is fixedly arranged on the main body (6), the valve plate (7) is connected with the fixed pulley (11), the other end of the fixed pulley (11) is connected with the balancing weight (10), the balancing weight (10) is arranged on the unhooking device (8), the unhooking device (8) is connected with the air cylinder (9), the other end of the balancing weight (10) is connected with the electric hoist (1), and the electric hoist (1) is fixedly arranged on the spandrel girder (2);
the valve plate (7) is fixedly arranged on the sliding groove (4), the sliding groove (4) is arranged on the support column (3), and a sealing gasket (5) is arranged between the valve plate (7) and the main body (6);
The device is characterized in that a disc (13) is uniformly arranged on the wall of the valve plate (7), brushes (14) are arranged on the side wall of the disc (13), a rotating shaft (12) is arranged in the middle of the disc (13), the two rotating shafts (12) are connected through a driven rod (16), and a driving rod (17) is arranged on the right horizontal rotating shaft (12);
The side wall of the valve plate (7) is provided with a first lug (18);
The chute (4) is of a concave hollow structure, a small hole is formed in the concave surface of the chute (4), and a second lug (19) is arranged on the concave surface;
The bottom of the chute (4) is provided with a connecting hole;
the top of the main body (6) is provided with a through hole, the lower part of the through hole is provided with a collecting groove (20), two ends of the collecting groove (20) are communicated with the connecting hole of the chute (4), the bottom surface of the collecting groove (20) is conical, and the bottom of the collecting groove (20) is connected with a discharge pipe (21);
The bottom of the valve plate (7) is provided with a compression pad (15), and the length and width of the compression pad (15) are larger than those of the through hole;
a telescopic pad is arranged at the tail end of the driving rod (17);
The unhooking device (8) comprises: a first fixing rod (22), a fixing plate (23), a first connecting shaft (24), a second fixing hook (26) and a second fixing rod (27);
The first fixing rod (22) is fixedly arranged on the spandrel girder (2), the bottom of the first fixing rod (22) is connected with the fixing plate (23), a first connecting shaft (24) is arranged in the middle of the fixing plate (23), the first connecting shaft (24) is connected with a second connecting shaft (28) through a belt, a second fixing hook (26) and a second fixing rod (27) are arranged at the bottom of the fixing plate (23), the second fixing rod (27) is fixed on the second fixing hook (26), and the tail end of the second fixing rod (27) is fixedly provided with a balancing weight (10);
The second connecting shaft (28) is arranged at the upper part of the air cylinder (9), the bottom of the air cylinder (9) is provided with a first fixed hook (25), and the bent hook shape of the first fixed hook (25) is matched with the bent hook shape of the second fixed hook (26);
The unhooking device (8) connected with the air cylinder (9) enables the balancing weight (10) fixed by the unhooking device (8) to move downwards, the fixed pulley (11) connected with the balancing weight (10) enables the valve plate (6) to move upwards, and the valve is opened;
an electric hoist (1) connected with the other end of the balancing weight (10) enables the balancing weight (10) to move upwards, meanwhile, a fixed pulley (11) connected with the balancing weight (10) enables the valve plate (6) to move downwards, and the valve is closed, so that the opening and closing of the valve are realized;
When the valve plate (7) moves up and down, the driving rod (17) on the valve plate (7) is in contact with the second lug (19) of the chute (4), the driving rod (17) enables the rotating shaft (12) to rotate, the rotating shaft (12) rotates to enable the rotating shaft (12) driven by the driven rod (16) to rotate, the rotating shaft (12) also enables the disc (13) to rotate, the brush (14) on the side wall of the disc (13) cleans the chute (4) contacted with the valve plate (7), dust stays on the chute (4) when the dust passes through the valve, and the dust of the chute (4) is collected in the chute (4) through small holes.
2. The better-sealing counter weight type flue gate valve according to claim 1, wherein: the cylinder (9) is controlled by a solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811013123.3A CN108775409B (en) | 2018-08-31 | 2018-08-31 | Counterweight type flue gate valve with good sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811013123.3A CN108775409B (en) | 2018-08-31 | 2018-08-31 | Counterweight type flue gate valve with good sealing performance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108775409A CN108775409A (en) | 2018-11-09 |
| CN108775409B true CN108775409B (en) | 2024-06-04 |
Family
ID=64028917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811013123.3A Active CN108775409B (en) | 2018-08-31 | 2018-08-31 | Counterweight type flue gate valve with good sealing performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108775409B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2809365Y (en) * | 2005-07-14 | 2006-08-23 | 黄石市建材节能设备总厂 | High temperature quick counterweight type gate valve |
| CN101162055A (en) * | 2007-11-05 | 2008-04-16 | 李忠辉 | Powdered solid sealing discharging motor double-damper valve |
| KR20120110427A (en) * | 2011-03-29 | 2012-10-10 | (주)현우산업 | Knife gate valve |
| KR20170085745A (en) * | 2016-01-15 | 2017-07-25 | 주식회사 썸백 | Vacuum Gate Valve |
| CN107387788A (en) * | 2017-08-30 | 2017-11-24 | 苏州昌田机械设备制造有限公司 | A kind of high leakproofness pneumatic type oil valve flashboard |
| CN107514490A (en) * | 2016-06-17 | 2017-12-26 | 褚秀清 | Novel glasses type push-pull valve seals |
| CN208845751U (en) * | 2018-08-31 | 2019-05-10 | 郑州光大阀门制造有限公司 | A kind of preferable counter weight type flue plugboard valve of leakproofness |
-
2018
- 2018-08-31 CN CN201811013123.3A patent/CN108775409B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2809365Y (en) * | 2005-07-14 | 2006-08-23 | 黄石市建材节能设备总厂 | High temperature quick counterweight type gate valve |
| CN101162055A (en) * | 2007-11-05 | 2008-04-16 | 李忠辉 | Powdered solid sealing discharging motor double-damper valve |
| KR20120110427A (en) * | 2011-03-29 | 2012-10-10 | (주)현우산업 | Knife gate valve |
| KR20170085745A (en) * | 2016-01-15 | 2017-07-25 | 주식회사 썸백 | Vacuum Gate Valve |
| CN107514490A (en) * | 2016-06-17 | 2017-12-26 | 褚秀清 | Novel glasses type push-pull valve seals |
| CN107387788A (en) * | 2017-08-30 | 2017-11-24 | 苏州昌田机械设备制造有限公司 | A kind of high leakproofness pneumatic type oil valve flashboard |
| CN208845751U (en) * | 2018-08-31 | 2019-05-10 | 郑州光大阀门制造有限公司 | A kind of preferable counter weight type flue plugboard valve of leakproofness |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108775409A (en) | 2018-11-09 |
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