CN108662968B - Hemispherical valve sphere eccentric measuring device - Google Patents
Hemispherical valve sphere eccentric measuring device Download PDFInfo
- Publication number
- CN108662968B CN108662968B CN201810624321.7A CN201810624321A CN108662968B CN 108662968 B CN108662968 B CN 108662968B CN 201810624321 A CN201810624321 A CN 201810624321A CN 108662968 B CN108662968 B CN 108662968B
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- valve ball
- hemispherical valve
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- 238000005259 measurement Methods 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B5/25—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
- G01B5/252—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes for measuring eccentricity, i.e. lateral shift between two parallel axes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model provides a hemisphere valve spheroid eccentric measurement device, includes box, pivot, backup pad and is used for the spheroid part of fixed mounting hemisphere valve, and worm gear drives 90 rotations of backup pad, and the datum plate is located horizontal position time, utilizes the distance L of datum plate to the biggest point of holding ring can be measured to common altitude chi, and the diameter number 2r of known position ring and the axis of backup pad guide boss are known number H with the distance of datum plate, can calculate hemisphere valve spheroid eccentric distance D=H- (L-r). The measurement is faster and more accurate, no special professional or special operation method is needed in the operation process, and common workshop staff can use the device, so that the measurement has higher universality.
Description
Technical Field
The invention relates to a measuring device, in particular to a hemispherical valve sphere eccentric measuring device.
Background
The semi-spherical valve structure of the ash discharging system adopts the eccentric-wedging principle. The eccentric quantity is arranged between the ball body, the sealing surface of the valve seat and the rotation center of the valve shaft, the eccentric function is to realize self-locking, the sealing pair is hardly contacted in the whole opening and closing process, the sealing is realized by contacting and closing only in the moment of opening and closing, the eccentric reasonable selection makes the self-locking angle smaller than the friction angle, the self-locking angle is easy to close, the opening is extremely difficult, the angle is large, the opening force is small, but the closing moment is rapidly increased, so that the reasonable eccentric quantity is important.
At present, no reliable, accurate and simple detection means is available for detecting the eccentric amount after the hemispherical body is manufactured. Generally, three-coordinate measuring machines are used, the three-coordinate measuring machines are precise detection equipment, firstly, professionals are required to operate and maintain the three-coordinate measuring machines, and further, because the equipment cannot move, the sphere cannot be measured closely, so that the measurement has limitation. In addition, due to the special structure of the hemispherical valve sphere, when the three-coordinate measuring instrument is used, a special auxiliary clamp is required to be manufactured to facilitate the measuring head of the three-coordinate measuring instrument to find out the detection point, the accuracy of detection is directly affected by the design of the auxiliary clamp, and meanwhile, the accuracy of measurement can not be ensured by utilizing the three-coordinate measuring instrument to measure the eccentric amount of the hemispherical valve sphere due to the fact that the accuracy of measurement can be directly affected by the clamping adjustment of the auxiliary clamp during measurement.
Disclosure of Invention
In order to overcome the defects of the existing detection device, the invention provides the hemispherical valve ball eccentric measurement device which is reliable, accurate, flexible and convenient and can be operated by common personnel.
The technical scheme adopted by the invention for solving the technical problems is that the hemispherical valve sphere eccentricity measuring device comprises a box body, wherein shaft holes are formed in two side walls of the box body, a rotating shaft penetrates through the shaft holes, a shaft shoulder at one end of the rotating shaft is abutted with the shaft holes and axially limited through a shaft part end cover, the other end of the rotating shaft is fixedly connected with a worm gear, and the worm gear drives the rotating shaft to rotate; the rotating shaft penetrates through the base at the bottom of the supporting plate while penetrating through the shaft hole, the base is fixedly connected with the rotating shaft, and the rotating shaft drives the supporting plate to rotate; the support is arranged on the support plate, the position of the support is adjusted by sliding the support on the support plate, the support is abutted against the inner surface of the hemispherical valve ball body according to the size adjustment position of the hemispherical valve ball body, and then the support is fixed with the support plate through a fastener and is fixedly connected with the hemispherical valve ball body through a fixing device; the supporting plate is also provided with a supporting rod, the position and the height of the supporting rod are adjusted by sliding, so that the supporting rod is abutted against the platform surface on the outer surface of the hemispherical valve ball body, and then the supporting rod is fixed with the supporting plate through a fastener; the reference plate is fixed to the side of backup pad, and the reference plate perpendicular to backup pad is equipped with the leveling chi on the reference plate, and the leveling chi passes through movable device fixed connection on the reference plate, and the leveling chi is through the relative slip adjustment self position with the reference plate for the holding ring clamps between leveling chi bottom end face and hemisphere valve ball sealing face.
Further, the fixing device comprises a mandrel, the mandrel is provided with a conical boss, the mandrel is inserted into the driving shaft hole of the hemispherical valve ball body and the threaded hole in the support, and the axis of the threaded hole, the axis of the driving shaft hole of the hemispherical valve ball body and the axis of the mandrel are overlapped in three lines by utilizing the automatic centering principle of the cone.
Further, the upper surface of backup pad is equipped with the guide boss, and the support bottom is equipped with the guide groove, and guide boss cooperatees with the guide groove and makes the support slide at the backup pad surface, is equipped with T-slot on the upper surface of backup pad in the position of guide boss both sides, and T-slot is on a parallel with the guide boss, set up T-shaped bolt in the T-slot, T-shaped bolt runs through the support to fasten through the nut.
Further, the upper end of the supporting rod is connected with an adjusting nut and a locking nut, the height of the adjusting nut is adjusted, and the locking nut is screwed down to be abutted with the platform surface on the outer surface of the hemispherical valve ball body.
Further, grooves are formed in the positions, located on two sides of the guide boss, of the upper surface of the supporting plate, the grooves are perpendicular to the guide boss, nuts are arranged in the grooves, external threads are arranged at the bottom ends of the supporting rods, and the bottom ends of the supporting rods are connected with the nuts and are screwed and fixed through the nuts.
Further, be equipped with guide groove and guiding hole on the benchmark board, be equipped with the guide slider in the guide groove, the guide slider removes in the guide groove, sets up the square hole on the guide slider, the leveling ruler runs through square hole and guiding hole to through the fastener is fixed, the leveling ruler removes the adjustment position about in square hole and guiding hole, and follow the guide slider and reciprocate the adjustment position in the guide groove.
Further, the auxiliary rod is fixedly connected to the leveling ruler through a hand screw, the auxiliary rod rotates around the hand screw to adjust the position, and the limiting surfaces at two ends of the auxiliary rod are abutted to the positioning ring to ensure that the positioning ring is matched with the sealing surface of the hemispherical valve ball body.
Furthermore, two limit tables are fixedly arranged on the two side walls of the box body, the limit tables are on the same horizontal plane, the lower surface of the supporting plate is abutted with the upper surface of the limit table, and the supporting plate is ensured to be positioned at the horizontal position; when the backup pad rotates to vertical position from the horizontal position, the lower surface of datum plate and the upper surface butt of spacing platform guarantee that the datum plate is located the horizontal position.
Further, the bottom of the box body is provided with rollers.
The beneficial effects of the invention are as follows:
1. the worm gear drives the 90-degree rotation of the supporting plate, when the reference plate is positioned at the horizontal position, the distance L from the reference plate to the highest point of the positioning ring can be measured by using a common height ruler, on one hand, when the half ball valve ball body is installed, the center line of the half ball valve ball body coincides with the center line of the positioning ring, the diameter of the positioning ring is 2r, namely the radius of the positioning ring is r, so that the distance N=L-r from the center line of the half ball valve ball body to the reference plate; on the other hand, when the half ball valve ball is installed, the axis of the driving shaft hole of the half ball valve ball is kept coincident with the axis of the guide boss of the supporting plate, and the distance between the axis of the guide boss and the reference plate is a known number H, namely the distance between the axis of the driving shaft hole and the reference plate is a known number H, so that the eccentricity D=H- (L-r) of the half ball valve ball body.
2. By using the invention to measure, the measured data only has the distance L from the reference plate to the highest point of the positioning ring, and the other distances are known numbers, so that the variable is reduced, and the error is reduced.
3. The measuring device enables measurement to be faster and more accurate, special professionals and special operation methods are not needed in the operation process, common workshop staff can use the measuring device, and the measuring device has universality.
4. After the idler wheels are arranged at the bottom of the box body, the measuring device can move freely, and can be measured on site in a processing field, so that the measuring device is convenient to use and saves manpower and material resources.
Drawings
Figure 1 is a schematic structural view of an embodiment,
fig. 2 is a left side view of fig. 1.
In the figure: 1. a case; 2. a rotating shaft; 3. a shaft end cap; 4. a worm gear device; 5. a base; 6. a support plate; 7. a support; 8. a half ball valve sphere; 9. a guide boss; 10. a T-shaped groove; 11. t-shaped bolts; 12. a mandrel; 13. conical boss; 14. a drive shaft hole; 15. a threaded hole; 16. a support rod; 17. adjusting the nut; 18. a lock nut; 19. a flat table top; 20. a groove; 21. a reference plate; 22. leveling feet 2;23. a positioning ring; 24. a hemispherical valve ball sealing surface; 25. a guide groove; 26. a guide hole; 27. a guide slide block; 28. square holes; 29. an auxiliary lever; 30. screwing the screw by hand; 31. a limiting surface; 32. a limiting table; 33. and a roller.
Detailed Description
As shown in fig. 1 and 2, the hemispherical valve ball eccentric measuring device comprises a box body 1, wherein shaft holes are formed in two side walls of the box body 1, a rotating shaft 2 penetrates through the shaft holes, a shaft shoulder at one end of the rotating shaft 2 is abutted to the shaft holes and axially limited through a shaft end cover 3, the other end of the rotating shaft is fixedly connected with a worm gear 4, and the worm gear 4 drives the rotating shaft 2 to rotate; the rotating shaft 2 penetrates through the base 5 at the bottom of the supporting plate 6 while penetrating through the shaft hole, the base 5 is fixedly connected with the rotating shaft 2, and the rotating shaft drives the supporting plate 6 to rotate; the support plate 6 is provided with a support 7, the support 7 adjusts the position of the support 7 on the support plate 6 through sliding, the support 7 is abutted against the inner surface of the half ball valve sphere 8 according to the size adjustment position of the half ball valve sphere 8, and then the support 7 is fixed with the support plate 6 through a fastener; the support 7 is fixedly connected with the half ball valve sphere 8 through a fixing device, the fixing device in the implementation comprises a mandrel 12, the mandrel 12 is provided with a conical boss 13, the mandrel 12 is inserted into a driving shaft hole 14 of the half ball valve sphere 8 and a threaded hole 15 on the support, and the axis of the threaded hole 15, the axis of the driving shaft hole 14 of the half ball valve sphere 8 and the axis of the mandrel 12 are overlapped by utilizing the cone automatic centering principle and are positioned right above the axis of the guide boss 9; the support plate 6 is also provided with a support rod 16, the support rod 16 adjusts the position and the height of the support rod 16 through sliding to enable the support rod 16 to be abutted against a platform surface 19 on the outer surface of the hemispherical valve ball body, then the support rod 16 is fixed with the support plate 6 through a fastener, in the embodiment, the upper end of the support rod 16 is connected with an adjusting nut 17 and a locking nut 18, the height of the adjusting nut 17 is adjusted, the locking nut 18 is screwed to enable the adjusting nut to be abutted against the platform surface 19 on the outer surface of the hemispherical valve ball body 8, grooves 20 are formed in the positions, located on two sides of a guide boss 9, of the upper surface of the support plate 6, the grooves 20 are perpendicular to the guide boss 9, nuts are arranged in the grooves 20, external threads are arranged at the bottom ends of the support rod 16, and the bottom ends of the support rod 16 are connected with the nuts and screwed and fixed through the nuts; the reference plate 21 is fixed on the side surface of the support plate 6, the reference plate 21 is perpendicular to the support plate 6, the reference plate 21 is provided with a leveling rod 22, the leveling rod 22 is fixedly connected to the reference plate 21 through a movable device, the leveling rod 22 adjusts the self position through relative sliding with the reference plate 21, so that a positioning ring 23 is clamped between the bottom end surface of the leveling rod 22 and the sealing surface 24 of the hemispherical valve ball, in the embodiment, the reference plate 21 is provided with a guide groove 25 and a guide hole 26, a guide sliding block 27 is arranged in the guide groove 25, the guide sliding block 27 moves in the guide groove 25, a square hole 28 is arranged on the guide sliding block 27, the leveling rod 22 penetrates through the square hole 28 and the guide hole 26 and is fixed through a fastener, the leveling rod 22 moves left and right in the square hole 28 and the guide hole 26, and moves up and down in the guide groove 25 along with the guide sliding block 27.
Further, the leveling rod 22 is fixedly connected with the auxiliary rod 29 through the hand screw 30, the auxiliary rod 29 is rotated around the hand screw 30 to adjust the position, the limiting surfaces 31 at the two ends of the auxiliary rod 29 are abutted with the positioning ring 23, the positioning ring 23 is matched with the hemispherical valve ball sealing surface 24, and the stability of the positioning ring 23 is guaranteed.
Furthermore, two limiting tables 32 are fixedly arranged on the two side walls of the box body 1, the limiting tables 32 are on the same horizontal plane, the lower surface of the supporting plate 6 is abutted with the upper surface of the limiting tables 32, and the supporting plate 6 is ensured to be positioned at the horizontal position; when the support 6 plate rotates from the horizontal position to the vertical position, the lower surface of the reference plate 21 abuts against the upper surface of the limit table 32, and the reference plate 21 is ensured to be positioned at the horizontal position.
Further, the bottom of the case 1 is provided with a roller 33 for facilitating movement of the measuring device.
When the semi-ball valve ball 8 is used, after being mounted on the supporting plate 6, the worm gear 4 drives the rotating shaft 2 to rotate, and then drives the supporting plate 6 to rotate 90 degrees, as shown by the dotted line position of fig. 2, at the moment, the supporting plate 6 is positioned at the vertical position, the reference plate 21 is positioned at the horizontal position, and the distance L from the reference plate 21 to the highest point of the positioning ring 23 can be measured by placing the height ruler on the plane of the reference plate, on one hand, when the semi-ball valve ball 8 is mounted, the center line of the semi-ball valve ball 8 coincides with the center line of the positioning ring 23, and the diameter of the positioning ring 23 is a known number 2r, namely the radius of the positioning ring 23 is r, so the distance N=L-r from the center line of the semi-ball valve ball 8 to the reference plate 21; on the other hand, when the half ball valve ball 8 is mounted, the axis of the driving shaft hole 14 and the axis of the guide boss 9 of the supporting plate 6 are kept coincident, and the distance between the axis of the guide boss 9 and the reference plate 21 is a known number H, that is, the distance between the axis of the driving shaft hole 14 and the reference plate 21 is a known number H, so that the eccentricity d=h- (L-r) of the half ball valve ball.
Claims (8)
1. A hemisphere valve sphere eccentric measurement device which characterized in that: the box comprises a box body, wherein shaft holes are formed in two side walls of the box body, a rotating shaft penetrates through the shaft holes, a shaft shoulder at one end of the rotating shaft is abutted against the shaft holes and axially limited through a shaft part end cover, the other end of the rotating shaft is fixedly connected with a worm gear, and the worm gear drives the rotating shaft to rotate; the rotating shaft penetrates through the base at the bottom of the supporting plate while penetrating through the shaft hole, the base is fixedly connected with the rotating shaft, and the rotating shaft drives the supporting plate to rotate; the support is arranged on the support plate, the position of the support is adjusted by sliding on the support plate, the support is abutted against the inner surface of the hemispherical valve ball body according to the size adjustment position of the hemispherical valve ball body and then fixed with the support plate through a fastener, and the support is fixedly connected with the hemispherical valve ball body through a fixing device; the supporting plate is also provided with a supporting rod, the position and the height of the supporting rod are adjusted through sliding, the supporting rod is abutted against the platform surface on the outer surface of the hemispherical valve ball body, and then the supporting rod is fixed with the supporting plate through a fastener; the side face of the supporting plate is fixed with a reference plate, the reference plate is perpendicular to the supporting plate, the reference plate is provided with a leveling ruler, the leveling ruler is fixedly connected to the reference plate through a movable device, and the leveling ruler adjusts the self position through relative sliding with the reference plate, so that the positioning ring is clamped between the bottom end face of the leveling ruler and the sealing face of the hemispherical valve ball body; the fixing device comprises a mandrel, the mandrel is provided with a conical boss, the mandrel is inserted into a driving shaft hole of the hemispherical valve ball body and a threaded hole in the support, and the axis of the threaded hole, the axis of the driving shaft hole of the hemispherical valve ball body and the axis of the mandrel are overlapped in three lines by utilizing the automatic centering principle of the cone.
2. The hemispherical valve ball eccentricity measurement device according to claim 1, wherein: the upper surface of backup pad is equipped with the guide boss, the support bottom is equipped with the guide groove, the guide boss with the guide groove cooperatees and makes the support slide at the backup pad surface, is equipped with the T-slot on the upper surface of backup pad in the position of guide boss both sides, and the T-slot is on a parallel with the guide boss, set up T-shaped bolt in the T-slot, T-shaped bolt runs through the support to fasten through the nut.
3. The hemispherical valve ball eccentricity measurement device according to claim 1, wherein: the upper end of the supporting rod is connected with an adjusting nut and a locking nut, the height of the adjusting nut is adjusted, and the locking nut is screwed down to be abutted with the platform surface of the outer surface of the hemispherical valve ball body.
4. The hemispherical valve ball eccentricity measurement device according to claim 1, wherein: the upper surface of backup pad is located the position of direction boss both sides and is equipped with the recess, the recess perpendicular to the direction boss, be equipped with the nut in the recess, the bracing piece bottom has the external screw thread, the bottom and the nut of bracing piece are connected and screw up fixedly through the nut.
5. The hemispherical valve ball eccentricity measurement device according to claim 1, wherein: the leveling ruler penetrates through the square hole and the guide hole and is fixed through the fastener, the leveling ruler moves left and right in the square hole and the guide hole to adjust the position, and moves up and down in the guide groove along with the guide slider.
6. The hemispherical valve ball eccentricity measurement device according to claim 1, wherein: the auxiliary rod is fixedly connected with the leveling ruler through a hand screw, the auxiliary rod is rotated to adjust the position through the hand screw, and the limiting surfaces at the two ends of the auxiliary rod are abutted to the positioning ring to ensure that the positioning ring is matched with the sealing surface of the hemispherical valve ball body.
7. The hemispherical valve ball eccentricity measurement device according to any one of claims 1-6, wherein: two limit tables are fixedly arranged on two side walls of the box body, the limit tables are on the same horizontal plane, the lower surface of the supporting plate is abutted with the upper surface of the limit table, and the supporting plate is ensured to be positioned at the horizontal position; when the backup pad rotates to vertical position from the horizontal position, the lower surface of datum plate and the upper surface butt of spacing platform guarantee that the datum plate is located the horizontal position.
8. The hemispherical valve ball eccentricity measurement device according to any one of claims 1-6, wherein: and rollers are arranged at the bottom of the box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810624321.7A CN108662968B (en) | 2018-06-16 | 2018-06-16 | Hemispherical valve sphere eccentric measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810624321.7A CN108662968B (en) | 2018-06-16 | 2018-06-16 | Hemispherical valve sphere eccentric measuring device |
Publications (2)
| Publication Number | Publication Date |
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| CN108662968A CN108662968A (en) | 2018-10-16 |
| CN108662968B true CN108662968B (en) | 2024-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810624321.7A Active CN108662968B (en) | 2018-06-16 | 2018-06-16 | Hemispherical valve sphere eccentric measuring device |
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| CN (1) | CN108662968B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111307103B (en) * | 2019-10-30 | 2022-03-11 | 安徽中斯特流体设备有限公司 | Hemisphere valve spheroid eccentric measurement device |
| CN111515860A (en) * | 2020-05-19 | 2020-08-11 | 阿伐流体控制有限公司 | C-shaped sphere machining tool |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102818502A (en) * | 2012-08-30 | 2012-12-12 | 福建省标光阀门科技有限公司 | Radius measuring tool for valve spools of eccentric half-ball valves |
| WO2015151830A1 (en) * | 2014-03-31 | 2015-10-08 | コニカミノルタ株式会社 | Measurement jig for optical element, eccentricity measurement device, and eccentricity measurement method |
| CN206847541U (en) * | 2017-06-25 | 2018-01-05 | 上海大西洋焊接材料有限责任公司 | A kind of mechanical eccentric measurer |
| CN208383044U (en) * | 2018-06-16 | 2019-01-15 | 江苏神通阀门股份有限公司 | A kind of hemisphere valve sphere eccentric measuring set |
-
2018
- 2018-06-16 CN CN201810624321.7A patent/CN108662968B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102818502A (en) * | 2012-08-30 | 2012-12-12 | 福建省标光阀门科技有限公司 | Radius measuring tool for valve spools of eccentric half-ball valves |
| WO2015151830A1 (en) * | 2014-03-31 | 2015-10-08 | コニカミノルタ株式会社 | Measurement jig for optical element, eccentricity measurement device, and eccentricity measurement method |
| CN206847541U (en) * | 2017-06-25 | 2018-01-05 | 上海大西洋焊接材料有限责任公司 | A kind of mechanical eccentric measurer |
| CN208383044U (en) * | 2018-06-16 | 2019-01-15 | 江苏神通阀门股份有限公司 | A kind of hemisphere valve sphere eccentric measuring set |
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| CN108662968A (en) | 2018-10-16 |
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