CN102635727A - Manual device of partially-rotating valve - Google Patents
Manual device of partially-rotating valve Download PDFInfo
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- CN102635727A CN102635727A CN2012101167239A CN201210116723A CN102635727A CN 102635727 A CN102635727 A CN 102635727A CN 2012101167239 A CN2012101167239 A CN 2012101167239A CN 201210116723 A CN201210116723 A CN 201210116723A CN 102635727 A CN102635727 A CN 102635727A
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- cam
- bearing
- butterfly spring
- slider seat
- fusiformis
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Abstract
The invention relates to a manual device of a partially-rotating valve. The manual device comprises a buffering air cylinder, a rocker mechanism and a transmission mechanism and is characterized in that a butterfly spring energy-saving cam mechanism is arranged between the buffering mechanism and the rocker mechanism; the butterfly spring energy-saving cam mechanism consists of a cam box body, a shuttle-shaped cam, a guide sleeve, a slide block body, a slide block base and a combined butterfly spring; the transmission mechanism consists of a limiting disc, a trapezoid nut, a bearing I, an electromagnetic clutch, a screw rod, a locking nut, a bearing II, a bearing base, a combined worm wheel, a worm, and a worm box body; and the piston rod of the buffering air cylinder and the screw rod of the transmission mechanism are respectively connected with the shuttle-shaped cam and are concentric with the shuttle-shaped cam. The manual device of the partially-rotating valve has the beneficial effects that product operation is simple, action is reliable, and the valve can be rapidly switched off and buffered when being powered off.
Description
Technical field
The present invention relates to a kind of drive unit that is used for the partially slewing valve manually-operable, realizes the valve quick closedown.
Background technique
Use fast driving device at present at partially slewing valves such as butterfly valve, ball valves; Mostly be equipped with Pneumatic actuator or Hydraulic actuator; Move through the switching-over of solenoid valve and to realize, and must be equipped with gas station, hydraulic station or hydropneumatic components etc., equipment investment is many, complex structure, rate of fault height.
Summary of the invention
The object of the present invention is to provide a kind of partially slewing valve manual operating device; It has overcome the deficiency that the traditional valve actuator of existing technology need be equipped with gas station, hydraulic station and hydropneumatic components and damage easily; It is simple to operate; Reliable in action greatly reduces outage rate and accident rate, uses safer.
For realizing above-mentioned purpose, the present invention adopts as follows
Technological scheme:
A kind of partially slewing valve manual operating device comprises bounce cylinder and slotted link mechanism, and a butterfly spring energy storage cam mechanism is set between bounce cylinder and slotted link mechanism; Butterfly spring energy storage cam mechanism is made up of cam box, fusiformis cam, guide sleeve, slide body, slider seat, combination butterfly spring, establishes cylindrical cavity in cam box one end that is fixedly connected with bounce cylinder, establishes guide sleeve in the cylindrical cavity; Circular hole is provided with the fusiformis cam in guide sleeve, Assembly butterfly spring outside the guide sleeve cylinder, and the large scale end face center of fusiformis cam is connected with the piston rod of bounce cylinder; And keep in the large scale end face of cam box, slider seat being set with one heart, slider seat endoporus and external frame are circle; Slider seat is provided with the high outside and low outside convexity that at least three radioactivity are uniformly distributed with towards the end face of combination butterfly spring, and each protruding external frame is identical with the slider seat external frame, and protruding bi-side are parallel; Crowning is the circular arc concave surface to the internal surface of fusiformis cam, offers the arc groove with the protrusion center line symmetry, two inner side surfaces of arc groove and convex center line parallel respectively at the circular arc concave surface; Each arc groove is identical along the depth dimensions of circular arc concave surface, is respectively arranged with the combination needle bearing in each arc groove, equipped respectively again slide body; Slide body is made up of roller one, slide block and roller two; In the arc groove that slide block embedding slider seat is offered, Assembly needle bearing under the slide block, slide block can slide along the arc direction of arc groove on the slider seat; The roller one that is connected with slide block one end contacts with combination butterfly spring end face; The roller two that is connected with the slide block the other end contacts with the fusiformis cam face, and the large scale end face of cam box is connected with cover plate, and the cover plate opposite side is connected with the rocking bar casing of slotted link mechanism; The rocking bar casing the other end is provided with positioning disk, and is connected with driving mechanism; Driving mechanism is made up of brake disc, trapezoidal nut, bearing one, magnetic clutch, screw rod, locking nut, bearing two, bearing support, combination worm gear, worm screw, worm screw casing; Trapezoidal nut is erected in the positioning disk through bearing one; The cylindrical outer surface of trapezoidal nut is equipped with magnetic clutch, bearing two, bearing support successively; And lock with locking nut; Pass the endoporus that is provided with on slotted link mechanism and the slider seat with the screw rod of trapezoidal nut engagement and is connected with fusiformis cam small size end face center and keeps concentric, the end face tooth of bearing support end face setting and the end face tooth that makes up worm gear mesh, and the worm screw casing is fixedly connected with the rocking bar casing; Connecting rod rest in the slotted link mechanism is fixed on the screw rod of driving mechanism.
The quantity of arc groove and respective slide body also can be four, five or six on the slider seat according to the invention.
The present invention adopts technique scheme to produce
Beneficial effectFor: the present invention is provided with a butterfly spring energy storage cam mechanism between the bounce cylinder of existing technology and slotted link mechanism, and connect a driving mechanism in the slotted link mechanism end.The operation manually of the worm screw input end through driving mechanism realizes butterfly spring energy storage cam mechanism storage of potential energy and opens valve simultaneously; Can realize the quick closedown of partially slewing valve getting electricity condition through the dead electricity of magnetic clutch in the driving mechanism,, can realize closing of partially slewing valve normal speed through the handwheel on the drive transmission device worm screw at magnetic clutch.
Advantage of the present invention is summarized as follows:
1, adopts the pneumatic or Hydraulic actuator of operation replacement manually, reduce investment and maintenance cost.
2, the present invention has removed bulky hydraulic station and hydrovalve platform, takes up an area of to lack, and simple to operate, reliable in action is used safer.
3, the present invention can realize the buffering of valve closing latter end stroke when realizing quick closedown, reduces the impact to valve sealing face.
Description of drawings
Fig. 1 is a partially slewing valve manual operating device embodiment's of the present invention structural representation;
Fig. 2 is the structural representation of A-A section among embodiment of the invention Fig. 1;
Fig. 3 is the structural representation of B-B section among embodiment of the invention Fig. 1;
Among the figure: 1. piston; 2. damping hole; 3. piston rod; 4. fusiformis cam; 5. guide sleeve; 6. cam box; 7. make up the butterfly spring; 8. roller one; 9 slide blocks; 10. roller two; 11. extension spring; 12. slider seat; 13. cover plate; 14. rocking bar casing; 15. connecting rod rest; 16. connecting rod; 17. screw rod; 18. crotch rocking bar; 19. positioning disk; 20. bearing one; 21. brake disc; 22. trapezoidal nut; 23. magnetic clutch; 24. bearing two; 25. bearing support; 26. locking nut; 27. combination worm gear; 28. worm screw; 29. worm screw casing.
Embodiment
Below in conjunction with accompanying drawing the present invention is done further explain:
Like Fig. 1,2, shown in 3, embodiment of the invention partially slewing valve manual operating device comprises bounce cylinder, butterfly spring energy storage cam mechanism, slotted link mechanism and driving mechanism.One butterfly spring energy storage cam mechanism specifically is set between bounce cylinder and slotted link mechanism, and butterfly spring energy storage cam mechanism is made up of cam box 6, fusiformis cam 4, guide sleeve 5, slide body, slider seat 12, combination butterfly spring 7, establishes cylindrical cavity in cam box 6 one ends that are fixedly connected with bounce cylinder; Establish guide sleeve 5 in the cylindrical cavity, circular hole is provided with fusiformis cam 4 in guide sleeve 5, Assembly butterfly spring 7 outside guide sleeve 5 cylinders; The large scale end face center of fusiformis cam 4 is connected with the piston rod 3 of bounce cylinder, and keeps in the large scale end face of cam box 6, slider seat 12 being set with one heart; Slider seat 12 endoporus and external frame are circle, and slider seat 12 is provided with the high outside and low outside convexity that five radioactivity are uniformly distributed with towards the end face of combination butterfly spring 7, and the external frame of five convexities is identical with slider seat 12 external frames; Protruding bi-side are parallel, and crowning is the circular arc concave surface to the internal surface of fusiformis cam 4, offer the arc groove with the protrusion center line symmetry respectively at the circular arc concave surface; Two inner side surfaces of arc groove and convex center line parallel; Arc groove is identical along circular arc concave surface depth dimensions, in five arc grooves the combination needle bearing is set respectively, equipped respectively again slide body; Slide body is made up of roller 1, slide block 9 and roller 2 10; Slide block 9 embeds the arc groove that slider seat 12 is offered, and is connected with the extension spring 11 of installing for ease between the side of slide block 9 and slider seat 12 raisings, and slide block 9 can slide along the arc direction of slider seat 12 arc grooves; The roller 1 that is connected with slide block 9 one ends contacts with combination butterfly spring 7 end faces; The roller 2 10 that is connected with slide block 9 the other ends contacts with fusiformis cam 4 surfaces, and the large scale end face of cam box 6 is connected with cover plate 13, and cover plate 13 opposite sides are connected with the rocking bar casing 14 of slotted link mechanism; Rocking bar casing 14 the other ends are provided with positioning disk 19, and are connected with driving mechanism; Driving mechanism is made up of brake disc 21, trapezoidal nut 22, bearing 1, magnetic clutch 23, screw rod 17, locking nut 26, bearing 2 24, bearing support 25, combination worm gear 27, worm screw 28, worm screw casing 29; Trapezoidal nut 22 is erected in the positioning disk 19 through bearing 1; The cylindrical outer surface of trapezoidal nut 22 is equipped with magnetic clutch 23, bearing 2 24, bearing support 25 successively; And with locking nut 26 lockings; Be connected with fusiformis cam 4 small size end face centers with endoporus that the screw rod 17 of trapezoidal nut 22 engagement passes setting on slotted link mechanism and the slider seat 12 and keep concentric; The end face tooth that bearing support 25 end faces are provided with meshes with the end face tooth of combination worm gear 27, and worm screw casing 29 is fixedly connected with rocking bar casing 14; The slotted link mechanism that between cam mechanism and driving mechanism, is provided with mainly is made up of connecting rod rest 15, connecting rod 16 and crotch rocking bar 18; Connecting rod rest 15 is fixedly connected with screw rod 17; Symmetrically arranged outrigger shaft is hinged with an end of connecting rod 16 respectively on the connecting rod rest 15; The other end of connecting rod 16 is hinged with the symmetrical outrigger shaft of crotch rocking bar 18 respectively, and the delivery outlet that crotch rocking bar 18 is provided with finally is connected with the valve rod input end of valve.
The quantity of arc groove and respective slide body also can be three, four or six on the slider seat 12 according to the invention.
Operating principle:As shown in Figure 1; When valve need be opened in the complete shut-down position, magnetic clutch 23 the castellated flank engagement after electric, through the handwheel on the manual driven worm screw 28; Drive trapezoidal nut 22 rotations through worm screw 28, combination worm gear 27, bearing support 25, magnetic clutch 23; Dish 19 can not axially move with the spacing of locking nut 26 because trapezoidal nut 22 is positioned, and with the screw rod 17 compelled downward straight line motions of trapezoidal nut 22 engagements, the fusiformis cam 4 that connects with screw rod 17 drives piston 1 downward straight line motion; Roller 2 10 rolls along fusiformis cam 4 surfaces of moving linearly; Promote the groove slip of slide block 9 along slider seat 12, promote roller one 8 extruding combination butterfly springs 7 simultaneously, combination butterfly spring 7 is compressed energy storage in the overall process of valve open; During the downward straight line motion of the screw rod that is connected with fusiformis cam 4 17, drivening rod frame 15 is through connecting rod 16 transmissions, makes that crotch rocking bar 18 is compelled does partly rotation motion, and valve open puts in place the most at last.
When the accident conditions valve needs quick closedown; Magnetic clutch 23 dead electricity of driving mechanism, the castellated flank of tooth of magnetic clutch 23 separates, and the trapezoidal nut 22 that is connected with magnetic clutch 23 possesses the condition that rotates freely; Compressed combination butterfly spring 7 discharges potential energy fast; Promote fusiformis cam 4 quick upwards straight line motions through slide body, the piston 1 that drives bounce cylinder moves upward fast, owing to be provided with the damping hole 2 that is communicated with piston 1 both sides at piston rod 3 ends; The latter end stroke of 2 pairs of valve closings of damping hole plays buffer function, and fusiformis cam 4 drives screw rod 17 is realized valve through the slotted link mechanism transmission quick closedown simultaneously.
Get electricity condition at magnetic clutch 23,, can realize closing of valve normal speed through the handwheel on the operation worm screw 28.
Partially slewing valve manual operating device of the present invention is adaptable across part turning valve such as butterfly valve, ball valve etc.; Manually-operable through driving mechanism; Make the unlatching of making up butterfly spring stored energy and accomplishing valve; Through the quick closedown of the quick release realization valve of combination butterfly spring energy after the magnetic clutch dead electricity, bounce cylinder plays buffer function to the latter end stroke of valve, reduces the impact of valve sealing face.
Claims (2)
1. a partially slewing valve manual operating device comprises bounce cylinder and slotted link mechanism, it is characterized in that: a butterfly spring energy storage cam mechanism is set between bounce cylinder and slotted link mechanism; Said butterfly spring energy storage cam mechanism is made up of cam box (6), fusiformis cam (4), guide sleeve (5), slide body, slider seat (12), combination butterfly spring (7); Said cam box (6) is fixedly connected under the bounce cylinder, in cam box (6) one ends, establishes cylindrical cavity, establishes guide sleeve (5) in the cylindrical cavity; In guide sleeve (5), be provided with fusiformis cam (4); Assembly butterfly spring (7) outside guide sleeve (5), the center of the large scale end face of fusiformis cam (4) is connected with the piston rod (3) of bounce cylinder, and keeps with one heart; Bottom in cam box (6) is provided with external frame and is circular slider seat (12); On slider seat (12), be provided with endoporus, be provided with at least three and be the equally distributed convexity of radioactivity on the end face of combination butterfly spring (7) at slider seat (12), said each crowning is set to be the concave surface of circular arc to the internal surface of fusiformis cam (4); And on the circular arc concave surface, offer arc groove again; Two inner side surfaces of arc groove and convex center line parallel, each arc groove is identical along circular arc concave surface depth dimensions, in each arc groove, is respectively fitted with slide body; Slide body is made up of slide block (9) and roller one (8) and the roller two (10) that be assemblied in slide block (9) two ends; In the arc groove that slide block (9) embedding slider seat (12) is offered, be provided with the combination needle bearing in the groove under slide block (9), slide block (9) can be gone up the arc direction slip of arc groove along slider seat (12); Roller one (8) and the following end in contact that makes up butterfly spring (7), roller two (10) contacts with fusiformis cam (4) surface; Be connected with cover plate (13) in the lower end of cam box (6), cover plate (13) opposite side is connected with the rocking bar casing (14) of slotted link mechanism, and rocking bar casing (14) the other end is provided with a positioning disk (19);
Be connected with driving mechanism in the slotted link mechanism bottom; Said driving mechanism is made up of brake disc (21), trapezoidal nut (22), bearing one (20), magnetic clutch (23), screw rod (17), locking nut (26), bearing two (24), bearing support (25), combination worm gear (27), worm screw (28), worm screw casing (29); Trapezoidal nut (22) sets up through bearing one (20) and is assemblied in the positioning disk (19); The cylindrical outer surface of trapezoidal nut (22) is equipped with magnetic clutch (23), bearing two (24), bearing support (25) successively; And lock with locking nut (26); Passing slotted link mechanism and slider seat (12) with the screw rod (17) of trapezoidal nut (22) engagement goes up the endoporus of setting and is connected with fusiformis cam (4) small size end face center and keeps concentric; The end face tooth that bearing support (25) end face is provided with meshes with the end face tooth of combination worm gear (27), and worm screw casing (29) is fixedly connected with rocking bar casing (14); Connecting rod rest in the slotted link mechanism (15) is fixed on the screw rod (17) of driving mechanism.
2. a kind of partially slewing valve manual operating device according to claim 1 is characterized in that: the quantity that said slider seat (12) is gone up arc groove and respective slide body is four or five or six.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210116723 CN102635727B (en) | 2012-04-20 | 2012-04-20 | Manual device of partially-rotating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210116723 CN102635727B (en) | 2012-04-20 | 2012-04-20 | Manual device of partially-rotating valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102635727A true CN102635727A (en) | 2012-08-15 |
| CN102635727B CN102635727B (en) | 2013-01-30 |
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ID=46620242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210116723 Active CN102635727B (en) | 2012-04-20 | 2012-04-20 | Manual device of partially-rotating valve |
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| Country | Link |
|---|---|
| CN (1) | CN102635727B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103759061A (en) * | 2014-01-20 | 2014-04-30 | 石特阀门股份有限公司 | Novel electric quick valve closing device |
| CN104089067A (en) * | 2014-07-14 | 2014-10-08 | 黄山良业阀门有限公司 | Emergency cut-off device for valves |
| CN105370968A (en) * | 2014-08-19 | 2016-03-02 | 施耐德电气建筑有限公司 | Tool-less valve stem connector assembly for a globe valve assembly |
| CN113700922A (en) * | 2021-09-09 | 2021-11-26 | 永秀阀门有限公司 | Improved generation theftproof butterfly valve |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0755047A (en) * | 1993-08-17 | 1995-03-03 | Kubota Corp | Spool support structure of pilot valve |
| JPH08200539A (en) * | 1995-01-30 | 1996-08-06 | Neriki:Kk | Spring-closed type valve |
| CN200955623Y (en) * | 2006-08-22 | 2007-10-03 | 马新波 | Automatic valve regulation device |
| CN101430022A (en) * | 2007-11-08 | 2009-05-13 | 江苏神通阀门股份有限公司 | Driving unit of partially slewing valve |
| CN201810847U (en) * | 2009-12-24 | 2011-04-27 | 扬州电力设备修造厂 | Stroke position control device of valve actuator |
-
2012
- 2012-04-20 CN CN 201210116723 patent/CN102635727B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0755047A (en) * | 1993-08-17 | 1995-03-03 | Kubota Corp | Spool support structure of pilot valve |
| JPH08200539A (en) * | 1995-01-30 | 1996-08-06 | Neriki:Kk | Spring-closed type valve |
| CN200955623Y (en) * | 2006-08-22 | 2007-10-03 | 马新波 | Automatic valve regulation device |
| CN101430022A (en) * | 2007-11-08 | 2009-05-13 | 江苏神通阀门股份有限公司 | Driving unit of partially slewing valve |
| CN201810847U (en) * | 2009-12-24 | 2011-04-27 | 扬州电力设备修造厂 | Stroke position control device of valve actuator |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103759061A (en) * | 2014-01-20 | 2014-04-30 | 石特阀门股份有限公司 | Novel electric quick valve closing device |
| CN104089067A (en) * | 2014-07-14 | 2014-10-08 | 黄山良业阀门有限公司 | Emergency cut-off device for valves |
| CN105370968A (en) * | 2014-08-19 | 2016-03-02 | 施耐德电气建筑有限公司 | Tool-less valve stem connector assembly for a globe valve assembly |
| CN105370968B (en) * | 2014-08-19 | 2018-01-09 | 施耐德电气建筑有限公司 | For centre of sphere valve module without instrument stem connector component |
| CN113700922A (en) * | 2021-09-09 | 2021-11-26 | 永秀阀门有限公司 | Improved generation theftproof butterfly valve |
| CN113700922B (en) * | 2021-09-09 | 2023-12-29 | 永秀阀门有限公司 | Improved anti-theft butterfly valve |
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| Publication number | Publication date |
|---|---|
| CN102635727B (en) | 2013-01-30 |
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