CN101975280B - Dual-drive pipe flushing valve - Google Patents
Dual-drive pipe flushing valve Download PDFInfo
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- CN101975280B CN101975280B CN2010102584108A CN201010258410A CN101975280B CN 101975280 B CN101975280 B CN 101975280B CN 2010102584108 A CN2010102584108 A CN 2010102584108A CN 201010258410 A CN201010258410 A CN 201010258410A CN 101975280 B CN101975280 B CN 101975280B
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- valve shaft
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Abstract
The invention relates to a pipe flushing device, in particular to a dual-drive pipe flushing valve for flushing an assembled pipe for nuclear power engineering. The technical scheme is as follows: the dual-drive pipe flushing valve comprises a valve body, a valve clack, a valve shaft for driving the valve clack, and a valve shaft drive mechanism linked with the valve shaft, wherein, two sides of the valve body are equipped with openings; a connection cavity for communicating the two openings is arranged between the two openings; one of the openings of the valve body is equipped with a valve seat; the valve clack is arranged at the opening equipped with the valve seat on the valve body and is matched with the valve shaft drive mechanism through the valve shaft to conduct or close the two openings of the valve body; the valve clack comprises a movable end and a swinging end, the swinging end is linked with the valve shaft via a swinging part, and the movable end is equipped with a locking mechanism in propping or separation fit with the movable end; and a seal assembly is arranged between the valve clack and the valve seat. By adopting the technical scheme, the dual-drive pipe flushing valve has the advantages of good tightness, compact structure and no need of manual cyclic operation.
Description
Technical field
The present invention relates to a kind of pipeline flushing device, particularly a kind of two wash pipe valves that drive of sweeping as nuclear power engineering piping erection backlash.
Background technique
After the nuclear power engineering piping erection, need the foreign material such as welding slag, weldering beans or iron filings that remain in pipe interior in its work progress be washed.
At present, during the nuclear power engineering washing pipe, use the outlet of follower bolt shutoff pipe in advance, when compressor was charged to 0.6MPa with pipeline pressure, personnel drew back pressing plate with rope over tens of rice, accomplished once to dash and swept.Then, returning the scene fastens rope and waits once more and boost.So repeatedly, accomplish washing pipe and need 200 circulations approximately.Because pressing plate is easy to generate leakage, a washing pipe circulation of every completion needs repeatedly to adjust to tight a bolt.Time and effort consuming, efficient are extremely low.
Summary of the invention
To the deficiency that existing technology exists, the invention provides a kind of two wash pipe valves that drive that need not artificial circulation operation, good airproof performance, compact structure.
For realizing above-mentioned purpose; The invention provides following technological scheme: a kind of two wash pipe valves that drive, include valve body, flap, driving flap valve shaft and with the valve shaft driving mechanism of valve linkage shaft, the both sides of said valve body have opening; Be provided with the connection chamber that is communicated with two openings between two openings; One of them opening of said valve body is provided with valve seat, and flap places valve body to be provided with the opening of valve seat and cooperates conducting or the sealing that constitutes valve body two openings with the valve shaft driving mechanism through valve shaft, and described flap includes movable end and swinging end; Its swinging end is through swing part and valve linkage shaft, and the movable end place is provided with this end and is conflict or breaks away from the locking mechanism that cooperates; Be provided with black box between described flap and the valve seat.
Adopt technique scheme, flap is when need not work, and its swinging end constitutes flap (being that flap and valve base sealing are fitted) in the closed position through valve shaft drive mechanism swing part, and at this moment locking mechanism also with the movable end locking of flap; When flap needs work (when implementing the cleaning to pipeline); The movable end of locking mechanism and flap breaks away from; Pressure medium in the pipeline is got into and the flap conflict by the opening of valve body, and flap is implemented to open with the pendulum angle of swing part, and this type of unlatching is called blasting type and opens; After pipe flushing finished, valve shaft drive mechanism swing part made swing part drive flap and returns back to closed position, and locking mechanism moves to flap movable end place and flap constitutes locking.Setting operation is convenient like this, need not the artificial circulation operation, has improved working efficiency, and has adopted dual-driving-mode, i.e. the driving of driving of locking mechanism and valve shaft driving mechanism realizes the sealing of flap and valve seat and the quick unlatching of flap (blasting type unlatching) with this; The setting of black box is guaranteed its sealing between flap and the valve seat.
The present invention further is set to: two openings of valve body are divided into import and outlet; Valve seat and flap are in the outlet port of valve body; The valve shaft driving mechanism is the pneumatic actuator with valve linkage shaft; Valve shaft is along the cross setting of valve body connection chamber, the swing part rocking bar that to be an end be connected with flap with valve shaft socket, the other end, and described locking mechanism is positioned at the other end place that is oppositely arranged valve shaft one end on the valve body; Include electric assembly and with the lock assembly of the valve rod of electric assembly interlock, lock assembly includes the connecting rod that is connected with valve rod and is located on the connecting rod and extends to the locking nut at flap movable end place.
Wherein, The end that connecting rod in the lock assembly is connected with valve rod is an output terminal; An end that is connected with locking nut is the locking end; Its output is provided with " T " shape contiguous block, and the corresponding part that connecting rod is positioned at " T " shape contiguous block on the valve rod is provided with and the adaptive draw-in groove of " T " shape contiguous block, and the formation valve rod is connected with connecting rod; Between output terminal and locking end, be provided with connecting end on the connecting rod, described valve body is provided with the supporting frame that extends to connecting rod connecting end place, and the connecting end of connecting rod is hinged through bearing pin and this supporting frame.
Adopt technique scheme, simple and reasonable for structure, and also compact.
The present invention further is set to: electric assembly is vertical setting, and the valve rod of connecting rod and electric assembly is vertical setting; Flap is fixed through the adjusting screw and the swing part of two parallel symmetries, and described locking nut is in the top of the adjusting screw of two parallel symmetries, and is between the adjusting screw of two parallel symmetries, constitutes the three point force of flap is fixed.
Adopt technique scheme, the adjusting screw that is used for fixing flap on the locking nut that is used to lock the flap movable end in the locking mechanism and the swing part is designed to 3 rigid construction, get final product the rotary switch flap, can rigidity compress sealing again.And three pressure points utilize the triangle stability principle reliably to close flap.Wherein, the locking nut in the locking mechanism is main pressure point, and the adjusting screw of two parallel symmetries on the swing part is a time pressure point, and two times pressure point not only can be assisted and compressed flap, also adjustable valve lobe closed position and the degree of closing.
The present invention further is set to: the black box between flap and the valve seat includes the built-up welding cobalt base alloy that is provided with on the sealing surface that flap and valve seat fit each other, and the seal groove that sealing surface of seat is provided with is provided with the O RunddichtringO in the sealing groove.
Adopt technique scheme, the setting of built-up welding cobalt base alloy and O-ring seals makes and the double seal that is sealed between flap and the valve seat has improved the sealability between flap and the valve seat.
The present invention further is set to: valve shaft and valve shaft driving mechanism are located at the valve body below, and the valve shaft driving mechanism is through the lower support frame support fixation, and described locking mechanism is located at the valve body top, and fixes through upper bracket.
Adopt technique scheme, be provided with simple in structurely, easy for installation like this, and structure is arranged rationally.
Below in conjunction with accompanying drawing the present invention is further described:
Description of drawings
Fig. 1 is embodiment of the invention embodiment's a structural representation;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the I portion enlarged view of Fig. 1;
Fig. 4 is the II portion enlarged view of Fig. 1;
Fig. 5 is the opening state schematic representation of the embodiment of the invention.
Embodiment
Like Fig. 1-a kind of pair of driving wash pipe valves shown in Figure 5, include valve body 1, flap 2, drive the valve shaft 3 of flap 2 and the valve shaft driving mechanism 4 that links with valve shaft 3, the both sides of valve body 1 have the connection chamber 12 that is provided with connection two openings 11 between opening 11, two openings 11.One of them opening 11 place of valve body 1 are provided with valve seat 5, and flap 2 places valve body 1 to be provided with opening 11 places of valve seat 5 and passes through valve shaft 3 cooperates 1 liang of opening 11 of formation valve body with valve shaft driving mechanism 4 conducting or sealing.Flap 2 includes movable end 21 and swinging end 22, and its swinging end 22 is through swing part 6 and valve shaft 3 interlocks, and movable end 21 places are provided with this end and are conflict or break away from the locking mechanism 7 that cooperates; Be provided with black box 8 between flap 2 and the valve seat 1.In the such scheme, flap 2 is when need not work, and its swinging end 22 drives swing parts 6 through valve shaft driving mechanism 4, constitutes flap 2 (being that flap 2 is fitted with valve seat 5 sealings) in the closed position, and this moment locking mechanism 7 also with movable end 21 lockings of flap 2; When flap 2 needs work (when implementing the cleaning to pipeline); Locking mechanism 7 breaks away from the movable end 21 of flap 2; Pressure medium in the pipeline is got into and flap 2 conflicts by opening 11 places of valve body 1; Flap 2 is implemented to open with the pendulum angle (pendulum angle of swing part 6 is 75 degree) of swing part 6, and this type of unlatching is called blasting type and opens; After pipe flushing finished, valve shaft driving mechanism 4 drove swing part 6, made swing part 6 drive flap 2 and returned back to closed position, and locking mechanism 7 moves to flap 2 movable ends, 21 places and flap 2 constitutes locking.Setting operation is convenient like this; Need not the artificial circulation operation, improved working efficiency, and adopt dual-driving-mode; Be the driving of locking mechanism 7 and the driving of valve shaft driving mechanism 4, realize flap 2 and the sealing of valve seat 5 and the quick unlatching (blasting type unlatching) of flap 2 with this; The setting of black box 8 is guaranteed its sealing between flap 2 and the valve seat 5.
In embodiments of the present invention; For ensureing the sealing between flap 2 and the valve seat 5; Reach the micro-leakage that stops medium, guarantee the washing pipe reliable sealing in the process that boosts, the black box 8 between flap 2 and the valve seat 5 includes the built-up welding cobalt base alloy 81 that flap 2 and valve seat 5 are provided with on the sealing surfaces of applyings each other; The seal groove 52 that sealing surface of seat 51 is provided with is provided with O RunddichtringO 82 in the sealing groove 52.After being provided with like this, be sealed into double seal, improved the sealability between flap 2 and the valve seat 5.
In embodiments of the present invention, two openings 11 of valve body 1 are divided into import 111 and export 112, and valve seat 5 and flap 2 are in outlet 112 places of valve body 1, and 111 of imports are used for being connected with pipeline; Valve shaft driving mechanism 4 is the pneumatic actuator with valve shaft 3 interlock, and valve shaft 3 is along the cross setting of valve body 1 connection chamber 12, swing part 6 rocking bar that to be an end be connected with flap 2 with valve shaft 3 sockets, the other end.Locking mechanism 7 is positioned at the other end place that is oppositely arranged valve shaft 3 one ends on the valve body 1; Include electric assembly 71 and with the lock assembly 73 of valve rod 72 interlocks of electric assembly 71, lock assembly 73 includes the connecting rod 731 that is connected with valve rod 72 and is located on the connecting rod 731 and extends to the locking nut 732 at flap 2 movable ends 21 places.Electric assembly 71 is a motor, and valve rod 72 is the motor shaft of motor in fact; The up-down of electric assembly 71 actuate valve stem 72; Just can constitute the up-down of connecting rod 731 and locking nut 732; When locking nut 732 was in the movable end 21 of flap 2 and conflicts with its movable end 21, then flap 2 was in lockup state, and after locking nut 732 is mentioned it by valve rod 72 drivings; Then locking nut 732 breaks away from the movable end 21 of flap 2, and flap 2 just can be implemented to open.
For the locking between locking nut 732 and the flap 2 is more rationalized with disengaging; And for can make locking nut 732 can and flap 2 between conflict more compact; The end that 73 connecting rod 731 is connected with valve rod 72 in the lock assembly is an output terminal 7311; An end that is connected with locking nut 732 is locking end 7312; Its output terminal 7311 places are provided with " T " shape contiguous block 721, and the corresponding part that connecting rod 731 is positioned at " T " shape contiguous block 721 on the valve rod 72 is provided with the draw-in groove 7313 adaptive with " T " shape contiguous block 721, constitute being connected of valve rod 72 and connecting rod 731; Between output terminal 7311 and locking end 7312, be provided with connecting end 7314 on the connecting rod 731, valve body 1 is provided with the supporting frame 13 that extends to connecting rod 731 connecting ends 7314 places, and the connecting end 7314 of connecting rod 731 is hinged through bearing pin 9 and this supporting frame 13; After being provided with like this, simple in structure, the up-down of connecting rod 731 was then moved swing and was realized.
In embodiments of the present invention, electric assembly 71 is vertical setting, and connecting rod 731 is vertical setting with the valve rod 72 of electric assembly 71; Flap 2 is fixing with swing part 6 through the adjusting screw 23 of two parallel symmetries, and locking nut 732 is in the top of the adjusting screw 23 of two parallel symmetries, and is between the adjusting screw 23 of two parallel symmetries, constitutes the three point force of flap 2 is fixed.The adjusting screw 23 that is used for fixing flap 2 on the locking nut that is used to lock flap 2 movable ends 21 in the locking mechanism 7 732 and the swing part 6 is designed to 3 rigid construction, can rotary switch flap 2, can rigidity compress sealing again.And three pressure points utilize the triangle stability principle reliably to close flap 2.Wherein, the locking nut 732 in the locking mechanism 7 is main pressure point, and the adjusting screw 23 of two parallel symmetries on the swing part 6 is a time pressure point, and two times pressure point not only can be assisted and compressed flap 2, also adjustable valve lobe 2 closed positions and the degree of closing.
In embodiments of the present invention, valve shaft 3 and valve shaft driving mechanism 4 are located at valve body 1 below, and valve shaft driving mechanism 4 is through lower support frame 14 support fixation, and described locking mechanism 7 is located at valve body 1 top, and fixing through upper bracket 15.Certainly, also can valve shaft 3 and valve shaft driving mechanism 4 be located at valve body 1 top, locking mechanism 7 is located at valve body 1 below, also be feasible, just the former to be directed to installation more reasonable, so the present invention preferred the former.
Claims (7)
1. one kind pair drives wash pipe valve; Include valve body, flap, driving flap valve shaft and with the valve shaft driving mechanism of valve linkage shaft; The both sides of said valve body have opening, are provided with the connection chamber that is communicated with two openings between two openings, and it is characterized in that: one of them opening of said valve body is provided with valve seat; Flap places valve body to be provided with the opening of valve seat and passes through valve shaft cooperates formation valve body two openings with the valve shaft driving mechanism conducting or sealing; Described flap includes movable end and swinging end, and its swinging end is through swing part and valve linkage shaft, and the movable end place is provided with this end and is conflict or breaks away from the locking mechanism that cooperates; Be provided with black box between described flap and the valve seat.
2. two wash pipe valve that drives according to claim 1; It is characterized in that: two openings of said valve body are divided into import and outlet; Valve seat and flap are in the outlet port of valve body, and the valve shaft driving mechanism is and the pneumatic actuator of valve linkage shaft that valve shaft is along the cross setting of valve body connection chamber; The swing part rocking bar that to be an end be connected with flap with valve shaft socket, the other end; Described locking mechanism is positioned at the other end place that is oppositely arranged valve shaft one end on the valve body, include electric assembly and with the lock assembly of the valve rod of electric assembly interlock, lock assembly includes the connecting rod that is connected with valve rod and is located on the connecting rod and extends to the locking nut at flap movable end place.
3. two wash pipe valve that drives according to claim 2; It is characterized in that: the end that the connecting rod in the said lock assembly is connected with valve rod is an output terminal; An end that is connected with locking nut is the locking end; Its output is provided with " T " shape contiguous block, and the corresponding part that connecting rod is positioned at " T " shape contiguous block on the valve rod is provided with and the adaptive draw-in groove of " T " shape contiguous block, and the formation valve rod is connected with connecting rod; Between output terminal and locking end, be provided with connecting end on the connecting rod, described valve body is provided with the supporting frame that extends to connecting rod connecting end place, and the connecting end of connecting rod is hinged through bearing pin and this supporting frame.
4. according to claim 2 or 3 described two wash pipe valves that drive, it is characterized in that: described electric assembly is vertical setting, and the valve rod of connecting rod and electric assembly is vertical setting; Flap is fixed through the adjusting screw and the swing part of two parallel symmetries, and described locking nut is in the top of the adjusting screw of two parallel symmetries, and is between the adjusting screw of two parallel symmetries, constitutes the three point force of flap is fixed.
5. two wash pipe valve that drives according to claim 1; It is characterized in that: the black box between said flap and the valve seat includes the built-up welding cobalt base alloy that is provided with on the sealing surface that flap and valve seat fit each other; The seal groove that sealing surface of seat is provided with is provided with the O RunddichtringO in the sealing groove.
6. according to claim 1 or 2 or 3 or 5 described two wash pipe valves that drive; It is characterized in that: described valve shaft and valve shaft driving mechanism are located at the valve body below; The valve shaft driving mechanism is through the lower support frame support fixation, and described locking mechanism is located at the valve body top, and fixes through upper bracket.
7. two wash pipe valve that drives according to claim 4, it is characterized in that: described valve shaft and valve shaft driving mechanism are located at the valve body below, and the valve shaft driving mechanism is through the lower support frame support fixation, and described locking mechanism is located at the valve body top, and fixes through upper bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102584108A CN101975280B (en) | 2010-08-17 | 2010-08-17 | Dual-drive pipe flushing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102584108A CN101975280B (en) | 2010-08-17 | 2010-08-17 | Dual-drive pipe flushing valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101975280A CN101975280A (en) | 2011-02-16 |
| CN101975280B true CN101975280B (en) | 2012-08-22 |
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ID=43575184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102584108A Active CN101975280B (en) | 2010-08-17 | 2010-08-17 | Dual-drive pipe flushing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101975280B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2171754Y (en) * | 1993-10-09 | 1994-07-13 | 开封高压阀门厂 | Valve cabable for check or pressure test |
| CN2229012Y (en) * | 1995-06-16 | 1996-06-12 | 李文娟 | Quick open-and-close valve |
| CN2531203Y (en) * | 2002-02-09 | 2003-01-15 | 何相华 | Water-hammer arresting non-return valve |
| CN2931978Y (en) * | 2006-04-21 | 2007-08-08 | 李双信 | Cushion check valve |
| CN201013927Y (en) * | 2007-02-07 | 2008-01-30 | 江西铜业集团公司 | Butterfly valve |
| CN201206648Y (en) * | 2008-05-20 | 2009-03-11 | 核电秦山联营有限公司 | Swing check valve of high Cv valve for nuclear 1 |
| CN201206632Y (en) * | 2008-05-19 | 2009-03-11 | 宝山钢铁股份有限公司 | Seal dump valve of electrohydraulic push rod |
| CN201739528U (en) * | 2010-08-17 | 2011-02-09 | 南方阀门制造有限公司 | Dual-drive pipeline flushing valve |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4885105B2 (en) * | 2007-10-11 | 2012-02-29 | 三菱重工業株式会社 | Fluid switching valve device, exhaust gas control valve and wastegate valve provided with the same |
-
2010
- 2010-08-17 CN CN2010102584108A patent/CN101975280B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2171754Y (en) * | 1993-10-09 | 1994-07-13 | 开封高压阀门厂 | Valve cabable for check or pressure test |
| CN2229012Y (en) * | 1995-06-16 | 1996-06-12 | 李文娟 | Quick open-and-close valve |
| CN2531203Y (en) * | 2002-02-09 | 2003-01-15 | 何相华 | Water-hammer arresting non-return valve |
| CN2931978Y (en) * | 2006-04-21 | 2007-08-08 | 李双信 | Cushion check valve |
| CN201013927Y (en) * | 2007-02-07 | 2008-01-30 | 江西铜业集团公司 | Butterfly valve |
| CN201206632Y (en) * | 2008-05-19 | 2009-03-11 | 宝山钢铁股份有限公司 | Seal dump valve of electrohydraulic push rod |
| CN201206648Y (en) * | 2008-05-20 | 2009-03-11 | 核电秦山联营有限公司 | Swing check valve of high Cv valve for nuclear 1 |
| CN201739528U (en) * | 2010-08-17 | 2011-02-09 | 南方阀门制造有限公司 | Dual-drive pipeline flushing valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101975280A (en) | 2011-02-16 |
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Effective date of registration: 20180913 Address after: 323006 3 Bi Zhong Road, Bi Hu Town, Liandu District, Lishui, Zhejiang. Patentee after: South Valve Technology Co., Ltd. Address before: 325000 Dongou Industrial Zone, Oubei Town, Yongjia, Wenzhou, Zhejiang Patentee before: Southern Valve Manufacturing Co., Ltd. |