CN102049726B - Device for grinding valve clack of safety valve - Google Patents
Device for grinding valve clack of safety valve Download PDFInfo
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- CN102049726B CN102049726B CN2010102314984A CN201010231498A CN102049726B CN 102049726 B CN102049726 B CN 102049726B CN 2010102314984 A CN2010102314984 A CN 2010102314984A CN 201010231498 A CN201010231498 A CN 201010231498A CN 102049726 B CN102049726 B CN 102049726B
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- driving gear
- gear
- swinging axle
- grinding
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Abstract
The invention discloses a device for grinding the valve clack of a safety valve, which is applied to the grinding of the valve clack of a safety valve. Three bearings are fixed on a lower backing plate; a central shaft of the lower end of a driving gear is fixed in the central hole of a middle bearing; a deceleration motor is fixed at the lower end of the driving gear and is fixed at the lower part of the lower backing plate; two driven gears are fixed in bearings on two sides and are respectively engaged with the driving gear; two oscillating shafts are respectively and vertically fixed on the upper end surfaces of the driven gears; the bearings are fixed in the bearing hole of an upper backing plate; the oscillating shaft passes through the central hole of a spring spacing washer; the upper part of the oscillating shaft is sheathed with a compression spring and a nut; and the upper end surface of the driving gear is provided with a round groove in which a grinding body is inserted. The device has the effect of grinding the valve clack of a full lift safety valve, changing manual grinding into motor-driven grinding, and improving grinding quality and grinding efficiency.
Description
Technical field
The present invention relates to the grinding isolated plant of safety valve flap, specifically, is a kind of grinding machinery device of fall lift safety valve flap sealing surface.
Background technology
The grinding machinery of existing safety valve flap leans on reductor to drive abrasive disk and rotates, and with the artificial safety valve flap that on abrasive disk, grinds, its Grinding Quality depends on the technical level of operators height.Abrasive disk is the steel body, grinds in life cycle that the flatness of abrasive disk reduces behind the safety valve sealing surface of some, and it is extremely difficult to repair the Pingdu of its abradant surface, even whole machinery damages because of the Pingdu of abrasive disk and scraps.
Chinese patent publication number CN2656082Y provides " a kind of lapping device of safety valve sealing surface ".Comprise gear assembly, disk, spring, valve seat grinding shaft, emergency valve seat, glass, reductor, gear assembly is connected respectively with disk, disk, is equipped with glass on the gear assembly; Gear assembly is connected with the valve seat grinding shaft, is with spring on the valve seat grinding shaft, and the top of this device is provided with rectangular dish; Can produce friction with the safety valve sealing surface effectively; Operating personnel do not dismount and mount full valve seat, can change abrasive body at any time, thereby improve Grinding Quality and reduce production costs, reduce labor intensity.
Chinese patent publication number CN2041605 provides " a kind of flap grinder ".Fix through the step and the top chock that connect bearing, abrasive disk respectively with seat supports abrasive disk, main shaft; Between upper and lower bearing block spindle gearing is arranged; There is cross-arm the upper end of main shaft, and cross-arm is connected with support through little axle, little axle bed, and fluted disc links to each other with support; And with fixed gear engagement, fluted disc has the hole of putting flap.Effect: the lapping mode of flap is that rotation is carried out with revolution simultaneously, and the flap quality of grinding is high, and grinding rate is fast, once can grind a plurality of flaps.
Summary of the invention
The objective of the invention is: a kind of lapping device of safety valve flap is provided, can grinds the fall lift safety valve flap, improve Grinding Quality.
The technical scheme that the present invention adopts is: the lapping device of safety valve flap, mainly form by lower supporting plate, bearing, gear hold-down nut, driven gear, lower platen, screw A, packing ring, reducing motor, driving gear, back-up ring, screw B, abrasive body, upper backup pad, top board, spring limiting gasket, spring, nut, swinging axle and screw C.It is characterized in that: have on the lower supporting plate three perpendicular on the dead eye on plane, the line of centres of three dead eyes is fixed with three bearings in three dead eyes on same straight line; Upper surface at three bearings is fixed with a lower platen through screw A, and lower platen has three holes, and the lower edge in three holes of lower platen is pressed on the upper surface of three bearing outer rings; There is central shaft the lower end of driving gear, and driving gear lower end central shaft is fixed in the intermediate bearing centre bore; Driving gear lower end central shaft has centre bore.The output shaft of reducing motor is fixed in the centre bore of driving gear lower end central shaft, and reducing motor is fixed on the bottom of lower supporting plate through screw B.The fixing back-up ring of screw thread on the central shaft of driving gear lower end.
There is central shaft the lower end of driven gear, and two driven gear lower end central shafts are separately fixed in the centre bore of two side bearings; The end of central shaft is fixed with the gear hold-down nut in the driven gear lower end, between gear hold-down nut and bearing, packing ring is arranged.Two driven gears are mediated with driving gear respectively.
Upper surface at two driven gears has the eccentric orfice vertical with the upper surface respectively.Vertical fixing has a swinging axle in the eccentric orfice of driven gear; The annular bearing shoulder of the oriented outer lug of swinging axle; On the bearing shoulder of swinging axle, be fixed with bearing; And bearing fixing is in the dead eye of upper backup pad; Fixedly top board of screw C is passed through on the plane on upper backup pad, and top board has two holes, and the lower edge in two holes of top board is pressed on the upper surface of two bearing outer rings; Swinging axle is passed in spring limiting gasket centre bore, and the spring limiting gasket is pressed on the top board, is with the compression spring on swinging axle top, on swinging axle top nut is arranged, and the compression spring is between nut and spring limiting gasket.
In the upper surface of driving gear the circular depressed groove is arranged, recessed groove has been embedded in abrasive body.The flap installing hole is arranged on upper backup pad.
Left side driven gear center line equates to the distance that is fixed on the swinging axle center line on the driven gear of right side with right side driven gear center line to the distance that is fixed on the swinging axle center line on the driven gear of left side.
The operation principle of the lapping device of summary safety valve flap.Consult Fig. 1.Aim at plane on the abrasive body 12 to the lower plane that flap 13 needs to grind.Start reducing motor 8, reducing motor 8 drives driving gear 9 and rotates together with abrasive body 12.In addition, driving gear 9 rotations drive two driven gears, 4 rotations of both sides, and two driven gears 4 drive swinging axle 19 and upper backup pad 14 swings, and upper backup pad 14 is pressed on the flap 13 and drives flap 13 swings.The compound motion grinding is carried out on the plane on the lower plane of flap 13 and the abrasive body 12.
Beneficial effect of the present invention: the lapping device of safety valve flap of the present invention, can grind the fall lift safety valve flap, change simple rotatablely moving and grind grinding for the composite rotating motion, improve Grinding Quality and improved grinding efficiency.Regulating spring pressure can be controlled the normal pressure of abradant surface, adapts to the ground flat of different area.Strengthen normal pressure when milling area is big, milling area hour reduces normal pressure.
Description of drawings
Fig. 1 is the lapping device structural profile sketch map of safety valve flap of the present invention.
Among the figure, 1. lower supporting plate, 2. bearing, 3. gear hold-down nut, 4. driven gear, 5. lower platen; 6. screw A, 7. packing ring, 8. reducing motor, 9. driving gear, 10. back-up ring; 11. screw B, 12. abrasive bodies, 13. flaps, 14. upper backup pads, 15. top boards; 16. the spring limiting gasket, 17. springs, 18. nuts, 19. swinging axles, 20. screw C.
The specific embodiment
Embodiment 1: the lapping device with a safety valve flap is an example, and the present invention is done further explain.
Consult Fig. 1.The lapping device of safety valve flap of the present invention mainly is made up of lower supporting plate 1, bearing 2, gear hold-down nut 3, driven gear 4, lower platen 5, screw A6, packing ring 7, reducing motor 8, driving gear 9, back-up ring 10, screw B11, abrasive body 12, upper backup pad 14, top board 15, spring limiting gasket 16, spring 17, nut 18, swinging axle 19 and screw C20.Have on the lower supporting plate 1 three perpendicular on the dead eye on plane, the line of centres of three dead eyes is fixed with three bearings 2 in three dead eyes on same straight line; Upper surface at three bearings 2 is fixed with a lower platen 5 through screw A6, and lower platen 5 has three holes, and the lower edge in 5 three holes of lower platen is pressed on the upper surface of three bearing 2 outer rings; There is central shaft the lower end of driving gear 9, and driving gear 9 lower end central shafts are fixed in intermediate bearing 2 centre bores; Driving gear 9 lower end central shafts have centre bore.The model that reducing motor 8 adopts is 6IK140W, and there is sale in market.The output shaft of reducing motor 8 adopts flat key to be fixed in the centre bore of driving gear 9 lower end central shafts, and reducing motor 8 is fixed on the bottom of lower supporting plate 1 through screw B11.The fixing back-up ring 10 of screw thread on driving gear 9 lower end central shafts.
There is central shaft the lower end of driven gear 4, and two driven gear 4 lower end central shafts are separately fixed in the centre bore of two side bearings 2; End at driven gear 4 lower end central shafts is fixed with gear hold-down nut 3, between gear hold-down nut 3 and bearing 2, packing ring 7 is arranged.Two driven gears (4) are mediated with driving gear (9) respectively.
Upper surface at two driven gears 4 has the eccentric orfice vertical with the upper surface respectively.In the eccentric orfice of driven gear 4, vertically be welded with a swinging axle 19; The annular bearing shoulder of swinging axle 19 oriented outer lug; On the bearing shoulder of swinging axle 19, be fixed with bearing 2; And bearing 2 is fixed in the dead eye of upper backup pad 14; Fixedly top board 15 of screw C20 is passed through on the plane on upper backup pad 14, and top board 15 has two holes, and the lower edge in 15 two holes of top board is pressed on the upper surface of two bearing 2 outer rings; Swinging axle 19 is passed in spring limiting gasket 16 centre bores, and spring limiting gasket 16 is pressed on the top board 15, is with compression spring 17 on swinging axle 19 tops, on swinging axle 19 tops nut 18 is arranged, and compression spring 17 is between nut 18 and spring limiting gasket 16.
In the upper surface of driving gear 9 the circular depressed groove is arranged, recessed groove has been embedded in abrasive body 12.Two flap 13 installing holes are arranged on upper backup pad 14, can grind two flaps 13 simultaneously.
Left side driven gear 4 center lines are 10 millimeters to the distance that is fixed on swinging axle 19 center lines on the driven gear 4 of left side; Driven gear 4 center lines in right side are 10 millimeters to the distance that is fixed on swinging axle 19 center lines on the right side driven gear 4.
The modulus of gear, diameter and gauge and other sizes confirm that according to the actual requirement of design those skilled in the art can realize.
Claims (2)
1. the lapping device of a safety valve flap; Mainly form by lower supporting plate (1), bearing (2), gear hold-down nut (3), driven gear (4), lower platen (5), screw A (6), packing ring (7), reducing motor (8), driving gear (9), back-up ring (10), screw B (11), abrasive body (12), upper backup pad (14), top board (15), spring limiting gasket (16), compression spring (17), nut (18), swinging axle (19) and screw C (20); It is characterized in that: three dead eyes perpendicular to last plane are arranged on lower supporting plate (1); The line of centres of three dead eyes is fixed with three bearings (2) in three dead eyes on same straight line; Upper surface at three bearings (2) is fixed with a lower platen (5) through screw A (6), and lower platen (5) has three holes, and the lower edge in (5) three holes of lower platen is pressed on the upper surface of three bearings (2) outer ring; There is central shaft the lower end of driving gear (9), and driving gear (9) lower end central shaft is fixed in intermediate bearing (2) centre bore; Driving gear (9) lower end central shaft has centre bore; The output shaft of reducing motor (8) is fixed in the centre bore of driving gear (9) lower end central shaft; And reducing motor (8) is fixed on the bottom of lower supporting plate (1) through screw B (11), the fixing back-up ring (10) of screw thread on the central shaft of driving gear (9) lower end;
There is central shaft the lower end of driven gear (4), and two driven gears (4) lower end central shaft is separately fixed in the centre bore of two side bearings (2); The end of central shaft is fixed with gear hold-down nut (3) in driven gear (4) lower end, between gear hold-down nut (3) and bearing (2), packing ring (7) is arranged, and two driven gears (4) mesh with driving gear (9) respectively;
Upper surface at two driven gears (4) has the eccentric orfice vertical with the upper surface respectively, and vertical fixing has a swinging axle (19) in the eccentric orfice of driven gear (4); The annular bearing shoulder of the oriented outer lug of swinging axle (19); On the bearing shoulder of swinging axle (19), be fixed with bearing (2); And bearing (2) is fixed in the dead eye of upper backup pad (14); Pass through fixedly top board (15) of screw C (20) on the last plane of upper backup pad (14), top board (15) has two holes, and the lower edge in (15) two holes of top board is pressed on the upper surface of two bearings (2) outer ring; Swinging axle (19) is passed in spring limiting gasket (16) centre bore; Spring limiting gasket (16) is pressed on the top board (15); Be with compression spring (17) on swinging axle (19) top, on swinging axle (19) top nut (18) arranged, compression spring (17) is between nut (18) and spring limiting gasket (16);
There is the circular depressed groove upper surface at driving gear (9), and recessed groove has been embedded in abrasive body (12), and flap (13) installing hole is arranged on upper backup pad (14).
2. the lapping device of safety valve flap according to claim 1 is characterized in that: left side driven gear (4) center line equates to the distance that is fixed on swinging axle (19) center line on the right side driven gear (4) with right side driven gear (4) center line to the distance that is fixed on swinging axle (19) center line on the left side driven gear (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102314984A CN102049726B (en) | 2010-07-14 | 2010-07-14 | Device for grinding valve clack of safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102314984A CN102049726B (en) | 2010-07-14 | 2010-07-14 | Device for grinding valve clack of safety valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102049726A CN102049726A (en) | 2011-05-11 |
| CN102049726B true CN102049726B (en) | 2012-05-30 |
Family
ID=43954697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102314984A Active CN102049726B (en) | 2010-07-14 | 2010-07-14 | Device for grinding valve clack of safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102049726B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112497049A (en) * | 2020-11-25 | 2021-03-16 | 浙江石化阀门有限公司 | Grinding device for high-temperature quick-opening spherical sealing cut-off valve |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01121168A (en) * | 1987-11-02 | 1989-05-12 | Hitachi Ltd | Rocking type free abrasive grain finisher |
| CN2041605U (en) * | 1988-12-02 | 1989-07-26 | 山东省鱼台县阀门厂 | Finishing machine for valve clack |
| CN2656082Y (en) * | 2003-11-24 | 2004-11-17 | 中国石油天然气股份有限公司 | Grinding device of safety valve sealing surface |
| KR100591269B1 (en) * | 2004-12-09 | 2006-06-26 | 주식회사 금화피에스씨 | Valve disc lapping device |
-
2010
- 2010-07-14 CN CN2010102314984A patent/CN102049726B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112497049A (en) * | 2020-11-25 | 2021-03-16 | 浙江石化阀门有限公司 | Grinding device for high-temperature quick-opening spherical sealing cut-off valve |
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| Publication number | Publication date |
|---|---|
| CN102049726A (en) | 2011-05-11 |
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