CN204053710U - Water turbine inlet butterfly valve valve body sealing surface grinding fixture - Google Patents
Water turbine inlet butterfly valve valve body sealing surface grinding fixture Download PDFInfo
- Publication number
- CN204053710U CN204053710U CN201420351213.4U CN201420351213U CN204053710U CN 204053710 U CN204053710 U CN 204053710U CN 201420351213 U CN201420351213 U CN 201420351213U CN 204053710 U CN204053710 U CN 204053710U
- Authority
- CN
- China
- Prior art keywords
- main shaft
- valve body
- sealing surface
- knife rest
- water turbine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model discloses a kind of water turbine inlet butterfly valve valve body sealing surface grinding fixture, relate to a kind of butterfly valve processing tool, comprise main shaft, support bearing and the bearing block thereof of described main shaft, the knife rest Connection Block be connected and fixed with described bearing block, described main shaft lower end is fixed with emery wheel, upper end is provided with drive unit, the vertical described main shaft of described emery wheel with it for drive shaft, described knife rest Connection Block is located at by described bearing block side, its described main shaft parallel with the closure of knife rest.The utility model is a kind of frock that can be applicable to the valve body sealing surface grinding of the water turbine inlet butterfly valve adopting three eccentric metal compound firmly to seal.
Description
Technical field
The utility model relates to a kind of butterfly valve processing tool, particularly relates to the valve body sealing surface grinding fixture of the water turbine inlet butterfly valve adopting three eccentric metal compound firmly to seal.
Background technology
Butterfly valve because operational torque is little, installing space is little, lightweight, have the features such as good durability and reliability, at low water head, large diameter power station general with butterfly valve as hydroturbine water intake main valve.Three eccentric metal compound is adopted firmly to seal for water turbine inlet butterfly valve, its operation principle is after butterfly plate is closed, linear contact lay is become to realize sealing by the sealing surface of valve seals and the sealing surface of butterfly plate sealing ring, shape due to the sealing surface of valve seals is an Oblique Elliptic conical surface, sealing surface surface roughness must ensure at Ra1.6, can meet instructions for use, common manufacturing process is all difficult to meet the demands, so the processing of valve body sealing surface is particularly important.
The valve seat insert crudy of water turbine inlet butterfly valve is one of the key factor into water butterfly valve performance, the words that surface roughness is low just there will be poorly sealed, that valve body and the quickening of butterfly plate sealing wear etc. affect butterfly valve performance of intaking unfavorable factor, so sealing surface must carry out grinding, but traditional grinding machine is grinding of having no idea, underhand polish is also difficult to realize.
Utility model content
The purpose of this utility model is: propose a kind of frock that can be applicable to the valve body sealing surface grinding of the water turbine inlet butterfly valve adopting three eccentric metal compound firmly to seal.
The purpose of this utility model is realized by following technical proposals:
A kind of water turbine inlet butterfly valve valve body sealing surface grinding fixture, comprise main shaft, support bearing and the bearing block thereof of described main shaft, the knife rest Connection Block be connected and fixed with described bearing block, described main shaft lower end is fixed with emery wheel, and upper end is provided with drive unit, the vertical described main shaft of described emery wheel with it for drive shaft, described knife rest Connection Block is located at by described bearing block side, its described main shaft parallel with the closure of knife rest.
In such scheme, by connection and the position relationship of knife rest Connection Block, main shaft and emery wheel, emery wheel position, location, emery wheel is rotated by drive unit drive shaft, and is moved with lathe saddle by knife rest Connection Block.The closure of described knife rest Connection Block and knife rest, i.e. knife rest bearing of trend are also the knife rest direction of motion.
As selection, also comprise bearing nut, bottom and upper cover, the upper and lower side of described main shaft is respectively provided with a described bearing nut, and described bottom is assemblied in the lower end of bearing block, is provided with described upper cover in the top seam of described bearing block.
In such scheme, bearing nut, for compressing inner ring the moving axially up and down with limit main shaft of bearing, bottom, for compressing the lubricating oil in the outer ring of bearing and sealed bearing, upper cover, its Main Function is compress the lubricating oil in the outer ring of bearing and sealed bearing equally.
As selection, also comprise grinding wheel stand and grinding wheel pressure plate, described grinding wheel stand is installed on described main shaft lower end, and described emery wheel to be assemblied on grinding wheel stand and to be fixed by described grinding wheel pressure plate.
As selection, described bearing is angular contact ball bearing.
As selection, the upper end of described main shaft is provided with internal keyway, and lower end is provided with male cone (strobilus masculinus).
In such scheme, the upper end of main shaft is designed with the internal keyway matched with drive unit (motor) axle, and lower end is designed with the male cone (strobilus masculinus) matched with grinding wheel stand.
As selection, described drive unit is motor.
As supporting, also comprise valve body taper work plate, its upper surface is obliquely installed in order to fixing valve body to be processed, and its parallel knife rest bearing of trend in upper surface vertical line direction, i.e. parallel knife rest direction of motion, be also the closure of parallel knife rest Connection Block and knife rest.
The main scheme of aforementioned the utility model and each further selection scheme thereof can independent assortment to form multiple scheme; be the utility model can adopt and claimed scheme: as the utility model; each selection can select any combination with other; those skilled in the art can understand there is multiple combination according to prior art and common practise after understanding the present invention program; be the claimed technical scheme of the utility model, do not do exhaustive at this.
Workflow of the present utility model:
Be arranged on the knife rest of 4 meters of double column vertical lathes by knife rest Connection Block by frock, knife rest Connection Block is connected with the knife rest of lathe.The emery wheel of valve body sealing surface grinding fixture is rotated counterclockwise, trade union college is on the workbench of lathe, the workbench of lathe turns clockwise, then by knife rest autofeed, the emery wheel of valve body sealing surface grinding fixture at the uniform velocity will move downward along the direction of feed of knife rest, thus carries out valve body sealing surface grinding.
The beneficial effects of the utility model: this device is easy to operate, and the valve body after the grinding of the utility model device, its surface roughness can ensure at more than Ra1.6, and after assembling, its sealing property reaches requirement completely, the special purpose grinder acquisition cost that adopted this device to save.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the operation principle schematic diagram of the utility model embodiment;
In figure, grinding wheel pressure plate 1, emery wheel 2, grinding wheel stand 3, bottom 4, bearing nut 5, bearing 6, bearing block 7, main shaft 8, upper cover 9, motor 10, knife rest Connection Block 11, knife rest 12, vertical lathe workbench 13, valve body taper work plate 14, valve body 15, valve body sealing surface 16.
Detailed description of the invention
Below in conjunction with specific embodiments and the drawings, the utility model is further described.
Water turbine inlet butterfly valve valve body sealing surface grinding fixture forms (as shown in accompanying drawing 1,2) primarily of grinding wheel pressure plate 1, emery wheel 2, grinding wheel stand 3, bottom 4, bearing nut 5, bearing 6, bearing block 7, main shaft 8, upper cover 9, motor 10, knife rest Connection Block 11, and knife rest Connection Block is made up of angle bar.Bearing 6 and bearing block 7 supports main shaft 8 thereof, knife rest Connection Block 11 and bearing block 7 are connected and fixed, main shaft 8 lower end is fixed with emery wheel 2, upper end is provided with drive unit (motor 10), emery wheel 2 vertical major 8 with it for drive shaft, knife rest Connection Block 11 is located at by bearing block 7 side, the closure parallel main axis 8 of the knife rest 12 of itself and 4 meters of double column vertical lathes.Grinding wheel stand 3 is installed on the male cone (strobilus masculinus) of main shaft 8 lower end, and emery wheel 2 is assemblied on grinding wheel stand 3, compresses grinding wheel pressure plate 1 be fixed on main shaft 8 by emery wheel 2 by nut.The upper end of main shaft 8 is designed with the internal keyway matched with motor shaft, lower end is designed with the male cone (strobilus masculinus) matched with grinding wheel stand 3, main shaft 8 is assemblied in bearing 6, bearing 6 is angular contact ball bearing, be installed in bearing block 7, the upper and lower side of main shaft 8 is respectively provided with a bearing nut 5, for compressing inner ring the moving axially up and down with limit main shaft of bearing, bottom 4 is assemblied in the lower end of bearing block 7, for compressing the lubricating oil in the outer ring of bearing and sealed bearing, upper cover 9 is provided with in the top seam of bearing block 7, its Main Function is compress the lubricating oil in the outer ring of bearing and sealed bearing equally, motor 10 is arranged on the top of bearing block 7, connect with screw, the seat plane of knife rest Connection Block 11 is connected with screw with bearing block 7, upper plane is connected with the knife rest 12 of 4 meter Li Che.As supporting, also comprise valve body taper work plate, its upper surface is obliquely installed in order to fixing valve body to be processed, and its upper surface vertical line direction parallel knife rest 12 bearing of trend, i.e. parallel knife rest 12 direction of motion is also the closure of parallel knife rest Connection Block 11 and knife rest 12.
Water turbine inlet butterfly valve valve body sealing surface grinding fixture operation principle:
Water turbine inlet butterfly valve valve body sealing surface grinding fixture is arranged on (as shown in Figure 3) on the knife rest 12 of 4 meters of double column vertical lathes, and knife rest Connection Block 11 is connected with the knife rest 12 of lathe.The emery wheel 2 of valve body sealing surface grinding fixture is rotated counterclockwise, valve body 15 is arranged on the valve body taper work plate 14 on vertical lathe workbench 13, vertical lathe workbench 13 turns clockwise, then by knife rest 12 autofeed, the emery wheel 2 of valve body sealing surface grinding fixture at the uniform velocity will move downward along the direction of feed of knife rest 12, thus carries out valve body sealing surface 16 grinding.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (6)
1. a water turbine inlet butterfly valve valve body sealing surface grinding fixture, it is characterized in that: comprise main shaft, support bearing and the bearing block thereof of described main shaft, the knife rest Connection Block be connected and fixed with described bearing block, described main shaft lower end is fixed with emery wheel, and upper end is provided with drive unit, the vertical described main shaft of described emery wheel with it for drive shaft, described knife rest Connection Block is located at by described bearing block side, its described main shaft parallel with the closure of knife rest.
2. water turbine inlet butterfly valve valve body sealing surface grinding fixture as claimed in claim 1, it is characterized in that: also comprise bearing nut, bottom and upper cover, the upper and lower side of described main shaft is respectively provided with a described bearing nut, described bottom is assemblied in the lower end of bearing block, is provided with described upper cover in the top seam of described bearing block.
3. water turbine inlet butterfly valve valve body sealing surface grinding fixture as claimed in claim 1, it is characterized in that: also comprise grinding wheel stand and grinding wheel pressure plate, described grinding wheel stand is installed on described main shaft lower end, and described emery wheel to be assemblied on grinding wheel stand and to be fixed by described grinding wheel pressure plate.
4. water turbine inlet butterfly valve valve body sealing surface grinding fixture as claimed in claim 1, is characterized in that: described bearing is angular contact ball bearing.
5. water turbine inlet butterfly valve valve body sealing surface grinding fixture as claimed in claim 1, is characterized in that: the upper end of described main shaft is provided with internal keyway, and lower end is provided with male cone (strobilus masculinus).
6. water turbine inlet butterfly valve valve body sealing surface grinding fixture as claimed in claim 1, is characterized in that: described drive unit is motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420351213.4U CN204053710U (en) | 2014-06-27 | 2014-06-27 | Water turbine inlet butterfly valve valve body sealing surface grinding fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420351213.4U CN204053710U (en) | 2014-06-27 | 2014-06-27 | Water turbine inlet butterfly valve valve body sealing surface grinding fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204053710U true CN204053710U (en) | 2014-12-31 |
Family
ID=52195295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420351213.4U Expired - Fee Related CN204053710U (en) | 2014-06-27 | 2014-06-27 | Water turbine inlet butterfly valve valve body sealing surface grinding fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204053710U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112720162A (en) * | 2021-01-31 | 2021-04-30 | 许军勤 | Grinding processing technology for sealing surface of metal hard sealing butterfly valve sealing pair |
-
2014
- 2014-06-27 CN CN201420351213.4U patent/CN204053710U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112720162A (en) * | 2021-01-31 | 2021-04-30 | 许军勤 | Grinding processing technology for sealing surface of metal hard sealing butterfly valve sealing pair |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20150627 |
|
| EXPY | Termination of patent right or utility model |