CN201851691U - Electric multipoint clamping force flap gate valve - Google Patents
Electric multipoint clamping force flap gate valve Download PDFInfo
- Publication number
- CN201851691U CN201851691U CN2010205619439U CN201020561943U CN201851691U CN 201851691 U CN201851691 U CN 201851691U CN 2010205619439 U CN2010205619439 U CN 2010205619439U CN 201020561943 U CN201020561943 U CN 201020561943U CN 201851691 U CN201851691 U CN 201851691U
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- Prior art keywords
- valve body
- valve
- gate valve
- clamping forces
- bidirectional stretching
- 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.)
- Expired - Fee Related
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- 238000007789 sealing Methods 0.000 claims abstract description 28
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 13
- 230000006835 compression Effects 0.000 claims abstract description 9
- 238000007906 compression Methods 0.000 claims abstract description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 229910000746 Structural steel Inorganic materials 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000005728 strengthening Methods 0.000 abstract description 2
- 230000032258 transport Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 210000000664 rectum Anatomy 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
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Abstract
The utility model discloses an electric multipoint clamping force flap gate valve, which comprises a fixed valve body, a movable valve body, a valve plate, a bidirectional stretching compression moving device, a sealing device, a first electric transmission, a second electric transmission, a strengthening and emergency sealing device and a compensating power-assisted protection device, wherein three main clamping forces are formed by the bidirectional stretching compression moving device; three auxiliary clamping forces are formed by the compensating power-assisted protection device; and six clamping points are formed by the three main clamping forces and the three auxiliary clamping forces. Under the condition that the electric multipoint clamping force flap gate valve meets the using requirements of a pipeline, the structure of the electric multipoint clamping force flap gate valve is improved and the strength, the rigidity and the sealing performance of the valve are improved. Moreover, the volume and the weight of the gate valve are greatly reduced and the cost performance of the gate valve is obviously improved.
Description
Technical Field
The utility model relates to a valve field, more specifically the theory relates to an electronic multiple spot clamp force flap valve.
Background
The valve of the same type currently used is an open-type gate valve which comprises a valve body, a valve plate, a loosening clamping part, a sealing element, an operating device and the like. The using drift diameter is within 3400 mm. The drift diameter has obvious occupation advantage when 1800mm above, and its typical structure form is that valve body left half chamber is fixed form, and right half chamber is the activity form of taking the compensation arrangement that moves. The valve plate is a frame structure with a through hole plate and a blind hole plate. When the valve is opened or closed, the valve body movable cavity is longitudinally stretched and moved when viewed from the direction of the valve body flange, the valve plate frame is transversely moved to a valve position (opening or closing position), and then the valve body movable cavity is longitudinally compressed and moved to enable the valve to be in a closed state.
The problems with the above structure are: due to the structure of the valve, the weight and the volume of the valve are large, and particularly the valve with the drift diameter of more than 2000mm is difficult to transport, high in transport cost and low in cost performance.
SUMMERY OF THE UTILITY MODEL
In order to solve the weight and the bulky that the valve brought because of the structure reason, especially the latus rectum transports more difficult, problem such as cost of transportation height more than 2000mm, the utility model provides an electronic multiple spot clamp force flap valve.
The utility model relates to an electronic multiple spot clamp force flap valve, include: the bidirectional stretching compression moving device comprises a fixed valve body, a movable valve body, a valve plate, a bidirectional stretching compression moving device, a sealing device, a first electric transmission device, a second electric transmission device, a reinforcing and emergency sealing device and a compensation power-assisted protection device; the bidirectional stretching, compressing and moving device is a shaft with a left-handed thread at one end and a right-handed thread at the other end; the fixed valve body and the movable valve body are arranged at two ends of the shaft; the bidirectional stretching, compressing and moving device forms three main clamping forces; the compensation power-assisted protection device is a shaft with single-rotation-direction threads, is arranged on two sides of the movable valve body position movement compensator and forms three auxiliary clamping forces; the valve plate is arranged between the fixed valve body and the valve seat of the movable valve body, and the reinforcing and emergency sealing devices are distributed on the peripheral plates of the fixed valve body and the movable valve body in pairs; the three main clamping forces and the three auxiliary clamping forces form six clamping points.
Preferably, the movable valve body and the fixed valve body are both provided with valve seats, and the valve seats are formed by welding stainless acid-resistant steel and carbon structural steel.
Compared with the prior art, the utility model discloses satisfying under the pipeline operation requirement, improving the structure, improving the intensity and the rigidity of valve, the multiple spot clamp force, the two pass seal structure of different materials has improved the sealing performance of valve. When the valve is transported and installed, protective measures are provided for key parts of the valve; when the sealing leakage occurs in the emergency situation of the valve, the valve is manually sealed temporarily and quickly and effectively through the connecting rod piece. The valve has great reduction in volume and weight, and obvious improvement in cost performance.
Drawings
FIG. 1 is a schematic structural view of an open-type gate valve in the prior art;
FIG. 2 is a sectional view taken along line A-A of an open gate valve of the prior art;
FIG. 3 is a schematic structural view of an embodiment of the electric multi-point clamping force flap gate valve of the present invention;
FIG. 4 is a view taken along line K of FIG. 3;
fig. 5 is a schematic structural view of six clamping points in the embodiment of the electric multi-point clamping force flap-type gate valve of the present invention, i.e., a sectional view taken along the direction B-B in fig. 3;
fig. 6 is a schematic structural view of a compensation power-assisted protection device in an embodiment of the electric multi-point clamping force flap-type gate valve of the present invention, i.e., a C-C sectional view of fig. 3;
fig. 7 is a schematic structural view of the electric multi-point clamping force flap-type gate valve according to the embodiment of the present invention, i.e., the P-direction view of fig. 3.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Refer to fig. 1 to 7. The embodiment of the utility model provides an in, the push-pull valve comprises parts such as fixed valve body 5, movable valve body 8, valve plate 6, biaxial stretching compression mobile device 7, sealing device, electric drive device (one) 1, electric drive device (two) 4, enhancement and emergent sealing device 2, compensation helping hand protection device 3. The use temperature does not exceed 260 ℃. The movable valve body 8 and the fixed valve body 5 are both provided with valve seats, and the valve seats are made of stainless acid-resistant steel and carbon structural steel in a composite welding mode. The movable valve body 8 is provided with a position movement compensator. The biaxial tension compression movement device 7 is in the form of a forward and reverse drive screw plus bearing to reduce drive torque and mechanical wear. The valve plate 6 adopts local welding of small parts and is of an integral assembly structure after aging treatment, so that the integral parallelism of the valve plate is ensured. The valve plate 6 is provided with a sealing device which adopts double-channel sealing and is made of polyethylene graphite packing and special silicon rubber, and the mounting heights of the sealing device and the sealing device are slightly different to ensure the sealing performance. The electric transmission device is a flexible transmission mechanism consisting of an electric device, a worm and worm gear speed reducer, a chain wheel, a chain shaft wheel and the like. The electric transmission device (I) 1 provides power for the bidirectional stretching and compression of the movable valve seat. The electric transmission device (II) 4 provides power for the rotary movement of the valve plate 6. The reinforcing and emergency sealing device 2 is composed of a reinforcing plate, a rod piece and the like, wherein the reinforcing plate is rigidly connected to the fixed valve body frame and the movable valve body frame. Its purpose is to improve the rigidity and the intensity of two valve bodies. And when the sealing leakage happens in the emergency of the valve, the effective temporary sealing treatment is manually carried out on the valve through the connecting rod piece. The compensation power-assisted protection device 3 consists of a unidirectional transmission screw rod, a vertical plate hole on the movable valve body 8, a long groove on the support and a rod piece. The principle is to provide an auxiliary pinch point for the valve seal. The protection measures are adopted for preventing the excessive deformation of the position moving compensator on the movable valve body in the pipeline installation process of the valve, and the sealing precision of the valve is effectively ensured. The operation of which is electrically controlled. The field control has the remote centralized control transmission function. The temporary operation is a manual operation for protecting the position movement compensator when the valve is installed. The emergency operation is a temporary emergency measure taken when the valve fails.
During operation, firstly, the electric transmission device (I) 1 transmits torque to the bidirectional stretching and compressing moving device 7 and the compensation power-assisted protection device 3 to enable the valve seat of the fixed valve body 5 and the valve seat of the movable valve body 8 to generate a proper gap, at the moment, the electric transmission device (I) is powered off and stopped, the electric transmission device (II) 4 is started to drive the valve plate to rotate and move to a valve position (open position or closed position) to stop, the electric transmission device (I) 1 is restarted and compressed and moved in a reverse direction until the sealing devices of the fixed valve body 5 and the movable valve body 8 are effectively sealed, and one-time opening (or closing) process is completed.
In the utility model, the sealing device adopts double-channel sealing, the bidirectional stretching and compressing mobile device forms three main clamping forces, and the compensation power-assisted protection device forms three auxiliary clamping forces, so that six clamping points are formed, the valve is effectively sealed in an open position and a closed position, and the inner leakage and the outer leakage of the valve are zero; the strengthening and emergency sealing device provides a new and effective solution for sudden sealing faults of the valve (especially the large-diameter valve); the compensation power-assisted protection device gains simple and feasible guarantee and time guarantee for ensuring the delivery precision requirement of the valve in transportation, installation and debugging of the large-diameter valve.
The above detailed description is made on the electric multipoint clamping force flap type gate valve provided by the present invention, and the specific embodiments are applied herein to explain the principle and the implementation manner of the present invention, and the description of the above embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (2)
1. The utility model provides an electronic multiple spot clamp force flap plate gate valve which characterized in that includes:
the bidirectional stretching compression moving device comprises a fixed valve body, a movable valve body, a valve plate, a bidirectional stretching compression moving device, a sealing device, a first electric transmission device, a second electric transmission device, a reinforcing and emergency sealing device and a compensation power-assisted protection device; wherein,
the bidirectional stretching, compressing and moving device is a shaft with a left-handed thread at one end and a right-handed thread at the other end; the fixed valve body and the movable valve body are arranged at two ends of the shaft; the bidirectional stretching, compressing and moving device forms three main clamping forces; the compensation power-assisted protection device is a shaft with single-rotation-direction threads, is arranged on two sides of the movable valve body position movement compensator and forms three auxiliary clamping forces; the valve plate is arranged between the fixed valve body and the valve seat of the movable valve body, and the reinforcing and emergency sealing devices are distributed on the peripheral plates of the fixed valve body and the movable valve body in pairs; the three main clamping forces and the three auxiliary clamping forces form six clamping points.
2. The flap-type gate valve according to claim 1, wherein said movable valve body and said stationary valve body each have a valve seat, said valve seats being welded from stainless acid-resistant steel and carbon structural steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205619439U CN201851691U (en) | 2010-10-15 | 2010-10-15 | Electric multipoint clamping force flap gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205619439U CN201851691U (en) | 2010-10-15 | 2010-10-15 | Electric multipoint clamping force flap gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201851691U true CN201851691U (en) | 2011-06-01 |
Family
ID=44094082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205619439U Expired - Fee Related CN201851691U (en) | 2010-10-15 | 2010-10-15 | Electric multipoint clamping force flap gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201851691U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110557960A (en) * | 2018-04-02 | 2019-12-10 | 株式会社爱发科 | Gate valve |
-
2010
- 2010-10-15 CN CN2010205619439U patent/CN201851691U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110557960A (en) * | 2018-04-02 | 2019-12-10 | 株式会社爱发科 | Gate valve |
| CN110557960B (en) * | 2018-04-02 | 2020-11-27 | 株式会社爱发科 | Gate valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110601 Termination date: 20161015 |