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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- valve
- valve body
- clamping forces
- gate valve
- movable valve
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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 valve field, in particular, relates to a kind of electronic multiple spot clamping power slat belt push-pull valve.
Background technique
The valve of the same type that is using at present is the open type push-pull valve, it by valve body, valve plate, unclamp gripping members, Sealing and operation equipment etc. and form.It uses latus rectum in 3400mm.Latus rectum has it obviously to take advantage when 1800mm is above, and its typical structure form is a fixed form for the valve body left half cavity, and right half chamber is the activity form of Tape movement compensation device.Valve plate is the frame structure with a ventilating hole plate and a blind hole plate.Valve is when opening or closing, and from the valve flange direction, move as longitudinal stretching in the movable chamber of valve body, and the valve plate framework laterally moves to a valve position (opening or closed position), and the vertical compression in the movable chamber of valve body is moved then, makes valve be in closed state.
The problem that said structure exists is: valve makes that because of reasons in structure the weight and volume of valve is big, the valve of latus rectum more than 2000mm especially, and its transportation relatively difficulty, cost of transportation is high, and cost performance is lower.
The model utility content
Big in order to solve the weight and volume that valve brings because of reasons in structure, especially latus rectum transports relatively problems such as difficulty, cost of transportation height more than 2000mm, the utility model proposes a kind of electronic multiple spot clamping power slat belt push-pull valve.
A kind of electronic multiple spot clamping power slat belt push-pull valve of the utility model comprises: fixed valve body, movable valve, valve plate, biaxial tension compression shifter, seal arrangement, first electric transmission machanism, second electric transmission machanism, reinforcement and emergent seal arrangement and compensation power-assisted protective gear; Wherein, described biaxial tension compression shifter is that an end has left-handed thread, and the other end has the axle of right-handed thread; Described fixed valve body and described movable valve are arranged on the two ends of described axle; Described biaxial tension compression shifter is formed three main clamping forces; Described compensation power-assisted protective gear is the axle of a single rotation direction screw thread, is arranged at motion compensation device both sides, described movable valve position, forms three auxiliary clamping forces; Described valve plate is arranged between the valve seat of described fixed valve body and described movable valve, and described reinforcement and emergent seal arrangement are distributed on the peripheral board of described fixed valve body and described movable valve in pairs; Described three main clamping forces and described three auxiliary clamping forces form six clamping points.
Above-mentioned slat belt push-pull valve, preferred described movable valve and described fixed valve body all have valve seat, and described valve seat is that Stainless Acid Resistant Steel and structural carbon steel are welded.
Than prior art, the utility model is satisfying under the pipeline usage requirement, improves structure, improves the strength and stiffness of valve, multiple spot clamping power, and the double sealing structure of unlike material has improved the sealability of valve.In valve transportation with when installing, protective measure has been proposed for the key position of valve; When seal leakage appears in the emergency case of valve, manually valve is implemented provisional fast and effectively sealing by connecting rod member.This valve has big reduction on volume, weight, obvious lifting is arranged on cost performance.
Description of drawings
Fig. 1 is the structural representation of open type push-pull valve in the prior art;
Fig. 2 is that the A-A of open type push-pull valve in the prior art is to sectional view;
Fig. 3 is the electronic multiple spot clamping power of the utility model slat belt push-pull valve embodiment's a structural representation;
Fig. 4 is that the K of Fig. 3 is to view;
Fig. 5 is among the electronic multiple spot clamping power of the utility model slat belt push-pull valve embodiment, six clamping point structural representations, and promptly the B-B of Fig. 3 is to sectional view;
Fig. 6 is among the electronic multiple spot clamping power of the utility model slat belt push-pull valve embodiment, compensation power-assisted protective gear structural representation, and promptly the C-C of Fig. 3 is to sectional view;
Fig. 7 is among the electronic multiple spot clamping power of the utility model slat belt push-pull valve embodiment, strengthens and emergent schematic diagram of sealing device, and promptly the P of Fig. 3 is to view.
Embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Referring to figs. 1 through Fig. 7.Among the utility model embodiment, push-pull valve partly is made up of fixed valve body 5, movable valve 8, valve plate 6, biaxial tension compression shifter 7, seal arrangement, electric transmission machanism () 1, electric transmission machanism (two) 4, reinforcement and emergent seal arrangement 2, compensation power-assisted protective gear 3 etc.Serviceability temperature is no more than 260 ℃.Movable valve 8 and fixed valve body 5 all have valve seat, and valve seat adopts Stainless Acid Resistant Steel and structural carbon steel composite welding form.Movable valve 8 is equipped with position motion compensation device.Biaxial tension compression shifter 7 adds bearing type for forward, reversing drive screw rod, to reduce driving torque and mechanical wear.Valve plate 6 adopts the widget local welding, and integral assembling structure after ageing treatment has so just guaranteed the whole parallelism of valve plate.On the valve plate 6 seal arrangement is housed, seal arrangement adopts double sealing, and it uses material to be polyethylene graphite packing and special silicone rubber, and for guaranteeing sealability, their setting height(from bottom) is slightly different.The flexible driving mechanism that electric transmission machanism is made up of Electric actuator, worm and worm gear speed reducer, sprocket wheel, chain arbor wheel etc.Electric transmission machanism (one) 1 provides power for movable valve seat biaxial tension compression.Electric transmission machanism (two) 4 moves for valve plate 6 rotations power is provided.Strengthen and emergent seal arrangement 2 is made up of stiffening plate and rod member etc., stiffening plate is rigidly connected on fixed valve body framework, movable valve framework.Its objective is rigidity and intensity in order to improve two valve bodies.When seal leakage appears in the valve emergency case, manually valve is implemented effective provisional encapsulation process besides by connecting rod member.Compensation power-assisted protective gear 3 is equipped with rod member by elongated slot on unidirectional drive screw, movable valve 8 upper vertical plate holes, the bearing and forms.Its principle is to provide auxiliary clamping point for valve seal.For preventing that the excessive protective measure of taking of position motion compensation device distortion on the movable valve from appearring in valve in the piping erection process, effectively guarantee the sealed precision of valve.It is operating as electronic control.Remote centralized control transfer function is had both in field control.When being operating as the valve valve temporarily and installing position motion compensation device is taked the manually-operable protected.Emergency operation is a valve when breaking down, the jury of taking.
During operation; at first electric transmission machanism () 1 passes moment of torsion the compression of falling biaxial tension shifter 7, compensation power-assisted protective gear 3, makes the valve seat of fixed valve body 5 and the valve seat of movable valve 8 produce an an amount of gap; at this moment electric transmission machanism () outage stops; electric transmission machanism (two) 4 starts; the rotation of drive valve plate moves to a valve position (opening position or off-position) and stops; electric transmission machanism (one) 1 restarts and reverse compression moves; effectively seal until fixed valve body 5, movable valve 8 seal arrangements, finish (or closing) process of once opening.
In the utility model, seal arrangement adopts double sealing, biaxial tension, compression shifter have been formed three main clamping forces, compensation power-assisted protective gear has been formed three auxiliary clamping forces, six clamping points have so just been constituted, make valve all obtain effective sealing opening position and off-position, the interior leakage of valve and leaking outside is zero; Strengthening reaching emergent seal arrangement is that valve (especially big latus rectum valve) burst seal failure has proposed new, effective solution; The proposition of compensation power-assisted protective gear is that big latus rectum valve guarantees that in transportation and Installation and Debugging the required precision of dispatching from the factory of valve won simple possible and temporal assurance.
More than a kind of electronic multiple spot clamping power slat belt push-pull valve provided by the utility model is described in detail, used specific embodiment herein principle of the present utility model and mode of execution are set forth, above embodiment's explanation just is used for helping to understand method of the present utility model and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present utility model, part in specific embodiments and applications all can change.In sum, this description should not be construed as restriction of the present utility model.
Claims (2)
1. an electronic multiple spot clamping power slat belt push-pull valve is characterized in that, comprising:
Fixed valve body, movable valve, valve plate, biaxial tension compression shifter, seal arrangement, first electric transmission machanism, second electric transmission machanism, reinforcement and emergent seal arrangement and compensation power-assisted protective gear; Wherein,
Described biaxial tension compression shifter is that an end has left-handed thread, and the other end has the axle of right-handed thread; Described fixed valve body and described movable valve are arranged on the two ends of described axle; Described biaxial tension compression shifter is formed three main clamping forces; Described compensation power-assisted protective gear is the axle of a single rotation direction screw thread, is arranged at motion compensation device both sides, described movable valve position, forms three auxiliary clamping forces; Described valve plate is arranged between the valve seat of described fixed valve body and described movable valve, and described reinforcement and emergent seal arrangement are distributed on the peripheral board of described fixed valve body and described movable valve in pairs; Described three main clamping forces and described three auxiliary clamping forces form six clamping points.
2. slat belt push-pull valve according to claim 1 is characterized in that, described movable valve and described fixed valve body all have valve seat, and described valve seat is that Stainless Acid Resistant Steel and structural carbon steel are welded.
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 |