CN2040425U - Valve grinder - Google Patents
Valve grinder Download PDFInfo
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- CN2040425U CN2040425U CN88213704U CN88213704U CN2040425U CN 2040425 U CN2040425 U CN 2040425U CN 88213704 U CN88213704 U CN 88213704U CN 88213704 U CN88213704 U CN 88213704U CN 2040425 U CN2040425 U CN 2040425U
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Abstract
The utility model relates to a valve grinder comprises an electrical machine, a speed reducer, a transmission shaft, a grinding head, a machine frame assembly. The grinding head is an eccentric swinging type structure, whose basic form comprises an eccentric shaft and an abrasive disk. An oilstone is regarded as a grinding body and the eccentric shaft rotates, which can make an abrasive disk do revolution and do autorotation. The abrasive disk can be arranged horizontally and vertically. The oilstone and the eccentric shaft can be interchanged, which can be matched with different machine frames and be arranged in an engineering vehicle. Thus the metallic ring shaped sealing plain faces of various valves can be grinded with uniform lapping and stable technicians. The radial goodness of fit can reach 80% and the roughness can reach 0.2. The utility model has high work efficiency and is suitable for field maintenance of valves for the industries such as the valve professional manufacture industry, the thermal power plant, the metallurgy industry, the petroleum industry, the chemical industry, etc.
Description
The utility model relates to a kind of milling apparatus of valve annular sealing surface.
The valve metal sealing surface needs to reach by grinding the requirement of sealing property usually, existing Ginding process divides manual the grinding and mechanical lapping, the lap tool that hand lapping is adopted is simple, adapt to the grinding of different valve sealing faces, but efficient is low, labour intensity is big, the quality instability, mechanical lapping is steady quality then, the work efficiency height, labour intensity is little, and mechanical grinding device has planetary-type grinding machine, oscillating mill, multiaxis valve body grinder and axle pendulum-type grinder at present.Former three, the abrasive disk of horizontal positioned drives by following motor and transmission mechanism, is placed above the abrasive disk by grinding work-piece, utilize the workpiece deadweight as grinding pressure, should not grind, be not suitable for the maintenance of valve large bore valves, the special plane special use, narrow application range.The latter, after motor slows down by the worm and gear transmission, the upper end is by the rotation of finger on a pair of gear reduction and its driven gear, stirring the drive sleeve that is connected with grinding spindle rotates, make the grinding spindle rotation, rotate the eccentric bushing in gear reduction and its driven gear hole by another the lower end, make the revolution of grinding spindle beat, thereby obtain the compound motion of rotation and beat, grinding track is more satisfactory, and the scope of application is wider, but the transmission more complicated, can not grind the gate valve body sealing surface, be not easy to the valve body that is installed on the pipeline is carried out field maintenance.Above-mentioned four kinds of grinders, when grinding valve, abrasive disk all adopts cast iron plate, all need between abrasive disk and workpiece, to add the grinding agent (cream) that is made into by abrasive material and lapping liquid, grinding agent and abrasive grit are easily to the outer edge slippage and the accumulation of annular sealing surface in the process of lapping, sealing surface and abrasive disk outer edge stock removal are many, collapse in causing and collapse outward, intermediate projections, grinding precision is not high, and the goodness of fit and the roughness valve of having relatively high expectations radially particularly is as power station valve, be difficult to reach requirement, and need often to repair abrasive disk.
The purpose of this utility model provides a kind of valve sealing face that can make and reaches that the high goodness of fit and roughness require, and valve-seating equipment applied widely.
The utility model comprises motor (1), decelerator (2), power transmission shaft (4), grinding head (5), housing assembly (3).Motor (1), decelerator (2), power transmission shaft (4) connect into transmission integral body by deceleration box (11), and motor speed slows down by decelerator, and power transmission shaft is rotated.Grinding head (5) is annular nutation type structure, comprise abrasive disk (21), eccentric shaft (25), oilstone (20), oilstone (20) is distributed on the abrasive disk (21), eccentric shaft (25) lower end becomes revolute pair to be connected with abrasive disk (21), and eccentric shaft (25) upper end is connected with power transmission shaft (4).Power transmission shaft (4) rotates, and makes abrasive disk (21) center rotate i.e. revolution around eccentric shaft (25) upper end axis by eccentric shaft (25), because the effect of factors such as grinding pressure, make abrasive disk (21) rotation, the compound motion of revolution and rotation forms desirable grinding track.Deceleration box (11) lower end fixed hub (15), axle sleeve (15) is shaped on outer tooth bar (15a), be equipped with gear (13) on the support (14) in the housing assembly (3), gear (13) is meshed with outer tooth bar (15a), on gear (13) turning cylinder controls (12) is housed, controls (12) driven gear (13) is when rotating counterclockwise, outer tooth bar (15a) rises, thereby make deceleration box (11) together with power transmission shaft (4), decelerator (2), motor (1), grinding head (5) rises, otherwise, controls (12) and gear (13) clockwise rotate, and then move down, to adapt to different latus rectum grinding-ins of valve.Decelerator (2) can adopt that planetary gear type, internal gear and external tooth are wheeled, external gear and external tooth is wheeled, Worm-gear type, bevel gear formula, preferentially selects planetary reducer for use.
The utility model grinding head adopts annular nutation type structure, with the oilstone is abrasive body, because oilstone has pore to exist, has improved cutting ability, oilstone also can make surface of the work produce certain plastic deformation effect, the movement locus of each grinding points is the circumference epicycloid on the oilstone, the grinding track ideal, and grinding is very even, be difficult for taking place error in geometrical form, thereby can make valve sealing face reach the very high goodness of fit and roughness requirement, radially the goodness of fit can reach 80%, and roughness can reach
Be provided with gear and outer tooth bar, can make about the grinding head adjustablely, adapting to different latus rectum grinding-ins of valve, and grinding pressure can be controlled.Abrasive disk on the grinding head easily is arranged to horizontal direction and vertical direction, and during horizontal direction, but such valve annular sealing surface and various opening and closing element annular sealing surfaces such as object stop valve, safety valve, check-valves grind; During vertical direction, but the such valve annular sealing surface of object gate valve grind, accommodation is very wide, not only is suitable for the field maintenance of valve, and is suitable for the valve professional production, the utility model compact conformation is easy for operation.
Fig. 1 grinds flap external form figure for the utility model;
Fig. 2 is the utility model cutaway view;
Fig. 3 is the horizontal grinding head cutaway view of the utility model;
Fig. 4 is the vertical grinding head cutaway view of the utility model;
Fig. 5 grinds gate valve body external form figure for the utility model;
Fig. 6 grinds stop valve valve body external form figure for the utility model.
Now in conjunction with the accompanying drawings the utility model is described in detail.
The utility model comprises motor (1), decelerator (2), power transmission shaft (4), grinding head (5), housing assembly (3).Motor (1) can be vertical, is fixed together by reduction box loam cake (8) and deceleration box (11).Decelerator can be selected planetary gear type for use, comprise master gear (9), planetary gear (7), ring gear (10), bent axle (6), master gear (9) is fixedlyed connected with motor (1) output shaft, ring gear (10) is fixedlyed connected with deceleration box (11), planetary gear (7) is meshed with master gear (9), ring gear (10) respectively, bent axle (6) becomes revolute pair to be connected with planetary gear (7) respectively, fixedly connected with power transmission shaft (4), power transmission shaft (4) becomes revolute pair to be connected with deceleration box (11).Motor (1) rotates, and by master gear (9), planetary gear (7) rotates, and bent axle (6) is rotated, thereby power transmission shaft (4) rotates.Deceleration box (11) lower end is fixedly connected with axle sleeve (15), axle sleeve (15) matches with support (14) endoporus in the housing assembly (3), axle sleeve (15) is shaped on outer tooth bar (15a), support (14) is provided with gear (13), be fixedly connected with controls (12) on gear (13) turning cylinder, controls can be handle, and gear (13) is meshed with outer tooth bar (15a).Controls (12) rotates counterclockwise, and gear (13) rotates counterclockwise thereupon, and the axle sleeve (15) of the outer tooth bar of band (15a) is risen, thereby deceleration box (11) and whole running part are risen, otherwise controls (12) clockwise rotates, and whole running part moves down.Support (14) is provided with the retaining mechanism of axle sleeve (15), can adopt screw rod---slide block structure, screw rod (17) places in support (14) cross-drilled hole, screw rod and the transmission of slide block screw thread, handle (16) is fixedlyed connected with screw rod (17), and handle (16) rotates and makes screw rod (17) tighten slide block, and promptly slide block moves to axle sleeve (15), thereby contract mandrel cover (15) can be fixed the running part upper-lower position.Grinding head (5) is annular nutation type structure, citation form comprises oilstone (20), abrasive disk (21), eccentric shaft (25), oilstone (20) is distributed on the abrasive disk (21), available epoxy is bonding, eccentric shaft (25) bottom becomes revolute pair to be connected with abrasive disk (21), can realize like this: eccentric shaft (25) bottom is a bulb, abrasive disk (21) comprises top cover (23) and gland (24) and fundamental base (22), top cover (23) sphere contacts with eccentric shaft (25) bulb, top cover (23) and gland (24) are fixed into one by screw and fundamental base (22) after fastening eccentric shaft (25) bulb, and the purpose of sphere contact is to make the universal rotation of abrasive disk (21) energy.Eccentric shaft (25) upper end can directly be connected with power transmission shaft (4), also can be connected indirectly with connector by other driving members, to realize transmitting rotating speed, moment of torsion, power transmission shaft (4) rotates, directly or indirectly driving eccentric shaft (25) rotates, revolved round the sun around eccentric shaft (25) upper part axis in abrasive disk (21) center, because the effect of factors such as grinding pressure, make abrasive disk (21) around the center promptly around the rotation of eccentric shaft (25) end portion axis, the compound motion of revolution and rotation, the movement locus that makes oilstone (20) go up arbitrary grinding point is the circumference epicycloid, has formed desirable grinding track.Narrate respectively with the different connected modes of power transmission shaft (4) with regard to eccentric shaft (25) upper end below.
The first, eccentric shaft (25) and power transmission shaft (4) are when directly being connected, and eccentric shaft (25) upper end is fixed together with power transmission shaft (4), and rotating speed is identical, are applicable to and grind flap annular sealing surface and the valve body annular sealing surface resemble the stop valve.
The second, eccentric shaft (25) and power transmission shaft (4) can have following several scheme when being connected indirectly:
(1), eccentric shaft (25) is connected with power transmission shaft (4) by telescopic spring mechanism, is applicable to the grinding situation of annular sealing surface in first.As shown in Figure 3, eccentric shaft (25) can be monoblock type and also can be split type, split type eccentric shaft (29), eccentric bushing (27), the ball head (26) of comprising, ball head (26) is fixedlyed connected with eccentric bushing (27) screw thread, eccentric bushing (27) is by being connected with last eccentric shaft (29) with its screw that is threaded, screw plays locking and transferring power effect, last eccentric shaft (29) is shaped on cannelure (A) with screw (28) contact position, unclamp screw (28), eccentric bushing (27) relatively rotates with last eccentric shaft (29), to regulate the size of offset.When eccentric shaft (25) was monoblock type, offset was unadjustable, below described relation with telescopic spring mechanism with monoblock type.Match with following jackshaft (32) lower end endoporus in eccentric shaft (25) upper end, be equipped with spring (31) between the two is axial, eccentric shaft (25) radially is being fixed with screw (30) with following jackshaft (32) cooperation place, the axial elongated slot (B) that is shaped on screw (30) and following jackshaft (32) inner hole wall matches, and plays the transferring power effect.Following jackshaft (32) upper end is connected and can be divided into power transmission shaft (4): A, directly fixedly connected; B, by being connected with power transmission shaft (4) by last jackshaft (37) behind the primary gear speed reducing device, be referred to as I type grinding head.Following jackshaft (32) upper end is fixed with internal gear (35), there is external gear (36) last jackshaft (37) lower end, last jackshaft (37) is made one with external gear (36), external gear (36) is meshed with internal gear (35), following jackshaft (32) is supported by lower support seat (33), last jackshaft (37) is supported by upper branching holder (34), upper branching holder (34) is fixedlyed connected with lower support seat (33), upper branching holder (34) upper end cylindrical matches with axle sleeve (15) endoporus, axle sleeve (15) is gone up band elastic locking coil assembly (18 and 19), comprise locking circle (18) and elastic ring (19), locking circle (18) is threaded with axle sleeve (15), elastic ring (19) place locking circle (18) and axle sleeve (15) axial between, tighten locking circle (18), upper branching holder (34) and axle sleeve (15) are fixed together by elastic ring (19).Last jackshaft (37) or spline fixedly connected with power transmission shaft (4) is connected, when spline connected, last jackshaft (37) was axially scalable with power transmission shaft (4), unclamps clamp ring (18), whole grinding head (5) but up-down adjustment be locked by the clamp ring assembly then.This adjusting and gear (13) merge with the adjusting of outer tooth bar (15a), make adjustable range bigger.
(2), eccentric shaft (25) is connected with power transmission shaft (4) by after the bevel-gear sett conversion transmission direction, is applicable to the valve body annular sealing surface that grinds resemble the gate valve.As shown in Figure 4, eccentric shaft (25) can be split type, comprises eccentric body shaft (39), ball head (38), and the two is threaded, and locks by screw (40).Now describe with monoblock type, eccentric shaft (25) horizontal positioned, by left side lid (43) He Yougai (41) supporting, be fixedly connected with bevel gear (44) on it, bevel gear (44) is meshed with gear shaft (45) epicone tooth, gear shaft (45) is by supporting base (42) supporting, and left side lid (43) He Yougai (41) is fixedlyed connected with supporting base (42).Supporting base (42) upper end can be connected with the axle sleeve (15) of deciding coil assembly (18 and 19) with lock, gear shaft (45) is fixedlyed connected with power transmission shaft (4), can can regulate by axial stretching for making grinding head (5) and power transmission shaft (4), supporting base (42) upper end fixedly connected splicing sleeve (47), gear shaft (45) upper end fixedly connected coupling spindle (46), coupling spindle (46) is supported by splicing sleeve (47), splicing sleeve (47) is connected with the axle sleeve (15) of deciding coil assembly (18 and 19) with lock, coupling spindle (46) is connected with power transmission shaft (4) spline, grinding head (5) axially can be regulated with power transmission shaft (4), this grinding head is referred to as II type grinding head, with the syndeton of power transmission shaft (4) and axle sleeve (15) with I type grinding head.Be that II type grinding head is interchangeable with being connected of power transmission shaft (4), axle sleeve (15) with I type grinding head.
For above-mentioned first, the grinding head of in second (), housing assembly (3) can be cantilever---column, as shown in Figure 1, comprise aforesaid support (14), gear (13), controls (12), screw rod---slide block type retaining mechanism and cantilever (48), column (50), lifting nut (49), engineering truck (51), workbench (52), cantilever (48) is connected with support (14) bolting, match with column (50), lifting nut (49) places cantilever (48) and below, column (50) cooperation place, with column (50) screw thread transmission, rotate lifting nut (49), cantilever (48) is moved up and down along column (50).Column (50) and workbench (52) are individually fixed on the engineering truck (51).Be convenient to valve is carried out field maintenance.
For (one) and (two) grinding head in second, housing assembly (3) can be drag-cup type.As Fig. 5, shown in Figure 6, housing assembly (3) also comprises the frame of shaking the head (53), planker (58), screw rod (60), dovetail groove base plate (61) and location-plate (62) etc., the frame (53) of shaking the head is connected (same cantilever (48) is interchangeable with being connected of support (14)) with support (14) bolting, hinged with planker (58) by pin (54), adjusting screw(rod) (57) is hinged with planker (58), be threaded with nut (56), fastening nut (56), the frame (53) of shaking the head deflection clockwise, make the whole deflection clockwise of transmission, otherwise, loosen nut (56), the whole deflection counterclockwise of transmission.Shake the head and be provided with screw rod between frame (53) and the planker (58)---sliding block locking mechanism (55).Planker (58) and dovetail groove base plate (61) become moving sets to be connected, screw rod (60) and dovetail groove base plate (61) screw thread transmission, and dovetail groove base plate (61) is fixed on the location-plate (62), and location-plate (62) can be installed in the valve on the flange.Turning handle (59) makes screw rod (60) screw in dovetail groove base plate (61), moves to left thereby drive planker (58), transmission integral body is moved to left, otherwise planker move to right, transmission integral body moves to right, to adapt to different latus rectum grinding-ins of valve and so as to applying grinding pressure.
Utilize engineering truck (51) as shown in Figure 1, the transmission integral body of motor (1), decelerator (2), power transmission shaft compositions such as (4) is placed in the engineering truck (51), configuration I type grinding head and II type grinding head and cantilever---column housing assembly and drag-cup type housing assembly, form the combined valve grinder, can grind valve opening and closing element, horizontal annular sealing surface and vertical annular sealing surface, simultaneous adaptation is in valve professional production and valve field maintenance.
Claims (6)
1, a kind of valve grinding machine includes motor (1), decelerator (2), power transmission shaft (4), grinding head (5), housing assembly (3), and motor (1), decelerator (2) and power transmission shaft (4) connect into transmission integral body by deceleration box (11), it is characterized in that:
A, grinding head (5) comprise abrasive disk (21), eccentric shaft (25) and oilstone (20), and oilstone (20) is distributed on the abrasive disk (21), and eccentric shaft (25) lower end becomes revolute pair to be connected with abrasive disk (21), and the upper end is connected with power transmission shaft (4);
B, deceleration box (11) lower end are fixedly connected with axle sleeve (15), axle sleeve (15) is shaped on outer tooth bar (15a), axle sleeve (15) matches with support (14) endoporus in the housing assembly (3), be equipped with gear (13) and controls (12) on the support (14), gear (13) is meshed with outer tooth bar (15a).
2, grinder according to claim 1, it is characterized in that described decelerator is a planetary reducer, comprise master gear (9), planetary gear (7), ring gear (10), bent axle (6), master gear (9) is fixedlyed connected with motor shaft, ring gear (10) is fixed on the deceleration box (11), planetary gear (7) is meshed with master gear (9), ring gear (10) respectively, bent axle (6) becomes revolute pair to be connected with planetary gear (7) respectively, fixedlys connected with power transmission shaft (4).
3, grinder according to claim 1 and 2, it is characterized in that described eccentric shaft (25) upper end is connected by telescopic spring mechanism with power transmission shaft (4), match with following jackshaft (32) lower end endoporus in eccentric shaft (25) upper end, be equipped with spring (31) between the two is axial, eccentric shaft (25) upper end radially is fixed with screw (30), be shaped on axial elongated slot (B) on following jackshaft (32) inner hole wall, screw (30) matches with elongated slot (B), by being connected with power transmission shaft (4) on the jackshaft (32) down.
4, grinder according to claim 3, it is characterized in that described jackshaft (32) down upper end is connected by the primary gear speed reducing device with power transmission shaft (4), following jackshaft (32) upper end is fixed with internal gear (35), last jackshaft (37) lower end is shaped on external gear (36), internal gear (35) is meshed with external gear (36), following jackshaft (32) is supported by lower support seat (33), last jackshaft (37) is supported by upper branching holder (34), upper branching holder (34) is fixedlyed connected with lower support seat (33), upper branching holder (34) upper end cylindrical matches with axle sleeve (15) endoporus, by elastic locking coil assembly (18 and 19) locking, last jackshaft (37) is connected with power transmission shaft (4) spline.
5, grinder according to claim 1 and 2, it is characterized in that being connected after described eccentric shaft (25) and power transmission shaft (4) are by one-level bevel gear conversion transmission direction, eccentric shaft (25) horizontal positioned, by left side lid (43), right lid (41) supporting, be fixed with bevel gear (44) on it, bevel gear (44) is meshed with gear shaft (45) epicone tooth, gear shaft (45) is supported by supporting base (42), left side lid (43), right lid (41) is fixedlyed connected with supporting base (42), supporting base (42) upper end cylindrical matches with axle sleeve (15) endoporus, by elastic locking coil assembly (18 and 19) locking, gear shaft (45) is connected with power transmission shaft.
6, grinder according to claim 5, it is characterized in that supporting base (42) upper end is fixedly connected with splicing sleeve (47), match with axle sleeve (15) endoporus in outer ring, splicing sleeve (47) upper end, lock by elastic locking coil assembly (18 and 19), gear shaft (45) upper end fixedly connected coupling spindle (46), coupling spindle (46) is by splicing sleeve (47) supporting, and coupling spindle (46) is connected with power transmission shaft (4) spline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN88213704U CN2040425U (en) | 1988-08-25 | 1988-08-25 | Valve grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN88213704U CN2040425U (en) | 1988-08-25 | 1988-08-25 | Valve grinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2040425U true CN2040425U (en) | 1989-07-05 |
Family
ID=4846762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN88213704U Withdrawn CN2040425U (en) | 1988-08-25 | 1988-08-25 | Valve grinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2040425U (en) |
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102029569A (en) * | 2010-11-01 | 2011-04-27 | 朱文 | Valve sealing face grinding assembly |
| CN102126177A (en) * | 2010-11-01 | 2011-07-20 | 朱治鸣 | Grinding device for sealing surface of valve |
| CN102126176A (en) * | 2010-11-01 | 2011-07-20 | 朱治鸣 | Base of portable valve sealing surface grinding device |
| CN102126178A (en) * | 2010-11-01 | 2011-07-20 | 朱治鸣 | Numerically controlled grinding system for valve sealing surface |
| CN102133735A (en) * | 2010-10-30 | 2011-07-27 | 朱治鸣 | Valve fixing seat |
| CN102615568A (en) * | 2011-01-28 | 2012-08-01 | 自贡市瑞拓阀门维修有限公司 | Valve grinding and maintaining machine tool |
| CN103144022A (en) * | 2013-02-04 | 2013-06-12 | 沈阳黎明航空零部件制造有限公司 | Method for grinding sealing face at inner end of graphite sealing seat of aero-engine |
| CN103302585A (en) * | 2013-06-25 | 2013-09-18 | 濮阳市亚利机械制造有限公司 | Grinder for grinding air cannon mouth |
| CN103433842A (en) * | 2013-09-23 | 2013-12-11 | 南通龙源电站阀门有限公司 | Eccentric grinding tool of valve body |
| CN103737478A (en) * | 2013-11-29 | 2014-04-23 | 成都欧浦特控制阀门有限公司 | Valve grinding machine |
| CN103934746A (en) * | 2014-05-15 | 2014-07-23 | 常州机电职业技术学院 | Plane grinding device |
| CN105252380A (en) * | 2015-10-16 | 2016-01-20 | 吴忠仪表有限责任公司 | Efficient ball core grinding device |
| CN107127677A (en) * | 2017-06-03 | 2017-09-05 | 哈电集团哈尔滨电站阀门有限公司 | A kind of valve flat seal face grinding tool |
| CN107745317A (en) * | 2017-11-10 | 2018-03-02 | 芜湖锐华暖通科技有限公司 | A kind of drilling machine for installing valve-seating auxiliary |
| CN108127515A (en) * | 2016-12-01 | 2018-06-08 | 苏州维赛克阀门检测技术有限公司 | A kind of portable secured valve grinding machine |
| CN108500780A (en) * | 2018-03-21 | 2018-09-07 | 杨伟增 | It is a kind of miniature to be used for auto parts machinery grinding device |
| CN108949426A (en) * | 2018-08-01 | 2018-12-07 | 汤圣洁 | A kind of grinding steaming plant for wine brewing |
| CN111872804A (en) * | 2020-08-10 | 2020-11-03 | 杭州富阳鼎杰石材有限公司 | Stone processing equipment |
| CN114227448A (en) * | 2021-12-20 | 2022-03-25 | 东宝阀门有限公司 | Grinding processing technology for sealing surface of metal hard sealing butterfly valve sealing seat |
| CN114247516A (en) * | 2020-09-19 | 2022-03-29 | 丹东东方测控技术股份有限公司 | Disc type fixed eccentric grinder with cross slide rail |
-
1988
- 1988-08-25 CN CN88213704U patent/CN2040425U/en not_active Withdrawn
Cited By (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102133735A (en) * | 2010-10-30 | 2011-07-27 | 朱治鸣 | Valve fixing seat |
| CN102133735B (en) * | 2010-10-30 | 2012-10-03 | 朱治鸣 | Valve fixing seat |
| CN102126178B (en) * | 2010-11-01 | 2013-01-02 | 朱治鸣 | Numerically controlled grinding system for valve sealing surface |
| CN102126177A (en) * | 2010-11-01 | 2011-07-20 | 朱治鸣 | Grinding device for sealing surface of valve |
| CN102126176A (en) * | 2010-11-01 | 2011-07-20 | 朱治鸣 | Base of portable valve sealing surface grinding device |
| CN102126178A (en) * | 2010-11-01 | 2011-07-20 | 朱治鸣 | Numerically controlled grinding system for valve sealing surface |
| CN102029569A (en) * | 2010-11-01 | 2011-04-27 | 朱文 | Valve sealing face grinding assembly |
| CN102126177B (en) * | 2010-11-01 | 2012-12-19 | 朱治鸣 | Grinding device for sealing surface of valve |
| CN102615568B (en) * | 2011-01-28 | 2013-12-18 | 自贡市瑞拓阀门维修有限公司 | Valve grinding and maintaining machine tool |
| CN102615568A (en) * | 2011-01-28 | 2012-08-01 | 自贡市瑞拓阀门维修有限公司 | Valve grinding and maintaining machine tool |
| CN103144022B (en) * | 2013-02-04 | 2016-01-20 | 沈阳黎明航空零部件制造有限公司 | A kind of method that the inner sealing surface of aero-engine graphite grazing seat is ground |
| CN103144022A (en) * | 2013-02-04 | 2013-06-12 | 沈阳黎明航空零部件制造有限公司 | Method for grinding sealing face at inner end of graphite sealing seat of aero-engine |
| CN103302585A (en) * | 2013-06-25 | 2013-09-18 | 濮阳市亚利机械制造有限公司 | Grinder for grinding air cannon mouth |
| CN103433842A (en) * | 2013-09-23 | 2013-12-11 | 南通龙源电站阀门有限公司 | Eccentric grinding tool of valve body |
| CN103737478A (en) * | 2013-11-29 | 2014-04-23 | 成都欧浦特控制阀门有限公司 | Valve grinding machine |
| CN103934746A (en) * | 2014-05-15 | 2014-07-23 | 常州机电职业技术学院 | Plane grinding device |
| CN105252380A (en) * | 2015-10-16 | 2016-01-20 | 吴忠仪表有限责任公司 | Efficient ball core grinding device |
| CN108127515A (en) * | 2016-12-01 | 2018-06-08 | 苏州维赛克阀门检测技术有限公司 | A kind of portable secured valve grinding machine |
| CN108127515B (en) * | 2016-12-01 | 2019-08-06 | 苏州维赛克阀门检测技术有限公司 | A kind of portable secured valve grinding machine |
| CN107127677A (en) * | 2017-06-03 | 2017-09-05 | 哈电集团哈尔滨电站阀门有限公司 | A kind of valve flat seal face grinding tool |
| CN107745317A (en) * | 2017-11-10 | 2018-03-02 | 芜湖锐华暖通科技有限公司 | A kind of drilling machine for installing valve-seating auxiliary |
| CN108500780A (en) * | 2018-03-21 | 2018-09-07 | 杨伟增 | It is a kind of miniature to be used for auto parts machinery grinding device |
| CN108949426A (en) * | 2018-08-01 | 2018-12-07 | 汤圣洁 | A kind of grinding steaming plant for wine brewing |
| CN111872804A (en) * | 2020-08-10 | 2020-11-03 | 杭州富阳鼎杰石材有限公司 | Stone processing equipment |
| CN111872804B (en) * | 2020-08-10 | 2021-08-20 | 杭州富阳鼎杰石材有限公司 | Stone processing equipment |
| CN114247516A (en) * | 2020-09-19 | 2022-03-29 | 丹东东方测控技术股份有限公司 | Disc type fixed eccentric grinder with cross slide rail |
| CN114227448A (en) * | 2021-12-20 | 2022-03-25 | 东宝阀门有限公司 | Grinding processing technology for sealing surface of metal hard sealing butterfly valve sealing seat |
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