CN108705393A - High-pressure main throttle valve end surface grinding tool - Google Patents
High-pressure main throttle valve end surface grinding tool Download PDFInfo
- Publication number
- CN108705393A CN108705393A CN201810465236.0A CN201810465236A CN108705393A CN 108705393 A CN108705393 A CN 108705393A CN 201810465236 A CN201810465236 A CN 201810465236A CN 108705393 A CN108705393 A CN 108705393A
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- CN
- China
- Prior art keywords
- end surface
- splined shaft
- fixedly connected
- surface grinding
- bearing
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
- B24B7/10—Single-purpose machines or devices
- B24B7/16—Single-purpose machines or devices for grinding end-faces, e.g. of gauges, rollers, nuts, piston rings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The present invention discloses a kind of high-pressure main throttle valve end surface grinding tool, including decelerating motor, deceleration machine support, bearing chamber, chuck, end surface grinding component, endoporus grinding assembly and splined shaft, wherein：Decelerating motor is fixedly connected on deceleration machine support；It is fixedly installed bearing chamber in deceleration machine support；The output shaft of decelerating motor and the central axes of bearing chamber are concentric；Splined shaft is fixedly connected with decelerating motor, is rotated under its drive；Splined shaft is socketed with bearing chamber；Chuck, end surface grinding component and endoporus grinding assembly are sequentially coaxially fixedly connected on the side of splined shaft；Endoporus grinding assembly is fixedly connected on the position of one end far from decelerating motor on splined shaft；End surface grinding component is the abrasive disk being fixedly connected with splined shaft；Endoporus grinding assembly is the grinding head being fixedly connected with splined shaft.Beneficial effects of the present invention are：A reasonable for structure, axis is mostly used, stability is good, service efficiency is high, grinding effect is good.
Description
Technical field:
The present invention relates to field of machining, and in particular to a kind of high-pressure main throttle valve end surface grinding tool.
Background technology：
The on-site grinding of existing valve faying face (or sealing surface) is mainly hand-held, and hand-held grinding is in reference plane
Substantially reparation is ground to the sealing surface of spot corrosion in the case of intact, so will not do great damage to reference plane, what
Condition amount of grinding is smaller, and operation is feasible；But grind what rear reference plane was destroyed completely for repairing repeatedly, it is multiple that repair in shop can only be returned；It is hand-held
Milling tool has cost relatively low, and remediation efficiency is higher, is widely used in all kinds of valves of power industry and is especially small-bore main inlet throttle-stop valve
Reparation.If valve aperture larger (bore is more than DN350 or more) and installation site are special, with hand-controlled grinding pair
Sealing surface reparation just seems unable to do what one wishes, thermal power plant main inlet throttle-stop valve flange faying face and door headstock sealing surface diameter dimension compared with
Greatly, sealing surface concentricity verticality requires relatively high, and previous grind several times aoxidizes hard formation to remove substantially after new valve use
Based on, operation is relatively easy, and craft or semi-hand can be completed, but after using several years, due to clearing up oxide layer repeatedly
Gradually increase with small defect, it is necessary to semi-automatic either full-automatic mechanical equipment (or equipment) enter scene to hermetically sealed face into
Row grinding, reach true qualities all expose, surface roughness should reach Ra1.6 or more than, verticality reaches 0.03mm/300mm,
Concentricity reaches 0.05mm/500mm, amount of grinding few then 0.3mm, at most 1.5mm, from milling tool seen currently on the market
It cannot meet above-mentioned requirements with grinding means.
Invention content：
The purpose of the present invention is to provide an a kind of reasonable for structure, axis to be mostly used, stability is good, service efficiency is high, grinding effect
A kind of good high-pressure main throttle valve end surface grinding tool of fruit.
The present invention is achieved by the following technical solutions：
A kind of high-pressure main throttle valve end surface grinding tool of the present invention, including decelerating motor, deceleration machine support, bearing chamber, chuck,
End surface grinding component, endoporus grinding assembly and splined shaft, wherein：Decelerating motor is fixedly connected on deceleration machine support；Speed reducer
Bearing chamber is fixedly installed in holder；The output shaft of decelerating motor and the central axes of bearing chamber are concentric；Splined shaft and decelerating motor
It is fixedly connected, is rotated under its drive；Splined shaft is socketed with bearing chamber；It is sequentially coaxially fixedly connected with card on the side of splined shaft
Disk, end surface grinding component and endoporus grinding assembly；Endoporus grinding assembly is fixedly connected on one far from decelerating motor on splined shaft
The position at end；End surface grinding component is the abrasive disk being fixedly connected with splined shaft；Endoporus grinding assembly is to fix to connect with splined shaft
The grinding head connect.
Above-mentioned high-pressure main throttle valve end surface grinding tool, wherein：Bearing chamber includes that angular contact ball bearing, skeleton rubber are close
Envelope, bearing baffle ring, packing, lubricating cup, bearing spacer and circlip；Bearing baffle ring, skeleton rubber sealing, angular contact ball bearing,
Bearing spacer and circlip are sequentially connected, composition bearing system；It is provided with lubricating cup on the side of bearing spacer, is led in bearing system
Portion；It is provided with packing on the side of bearing baffle ring；Packing is connect with chuck；Chuck attachment is provided on chuck；Chuck attachment with
End surface grinding component is fixedly connected.
Above-mentioned high-pressure main throttle valve end surface grinding tool, wherein：Compressed spring, liner and axis clamp spring it is each there are two；Pressure
Contracting spring is fixedly connected with liner, and liner is fixedly connected on clamp spring on the side of splined shaft by axis, composition spring system；Compression
Spring is in arranged concentric with splined shaft；The spring system that compressed spring, liner and axis clamp spring form respectively with end surface grinding component
It is connected with endoporus grinding assembly；Two compressed springs, far from liner one end respectively with end surface grinding component and endoporus grinding group
Part is fixedly connected.
Above-mentioned high-pressure main throttle valve end surface grinding tool, wherein：More valve bolts hole are provided on chuck.
Above-mentioned high-pressure main throttle valve end surface grinding tool, wherein：Axis is limited in clamp spring in different jump-ring slots, and jump-ring slot has
It is multiple, it is located at the different location of splined shaft.
Above-mentioned high-pressure main throttle valve end surface grinding tool, wherein：It is to slide that splined shaft, which uses spline type of attachment, fit form,
Move cooperation.
The beneficial effects of the present invention are：It is reasonable for structure, it is easy to use；Centering is quick, and centering precision is accurate；On splined shaft
Compressed spring, grinding head, grinding disc for end surface are installed, realize that an axis is multi-purpose；Stability is good, and abradant surface dimensional accuracy and surface are thick
Rugosity is high；Mechanism is light and handy, easy to carry, and two people can install and use；Adjustment and grinding is quick, efficiency is relatively high.
Description of the drawings：
Fig. 1：The structural schematic diagram of the present invention；
In figure：1- decelerating motors, 2- decelerations machine support, 3- bearing chambers, 4- angular contact ball bearings, 5- skeleton rubbers sealing,
6- chucks, 7- chucks attachment, 8- end surface grindings component, 9- compressed springs, 10- endoporus grinding assembly, 11- liners, 12- axis cards
Spring, 13- splined shafts, 14- bearings baffle ring, 15- packings, 16- lubricating cups, 17- bearing spacers, 18- circlips.
Specific implementation mode：
The present invention will be further described with reference to the accompanying drawings and detailed description：
Embodiment：As shown in Figure 1, a kind of high-pressure main throttle valve end surface grinding tool, including decelerating motor 1, deceleration machine support
2, bearing chamber 3, chuck 6, end surface grinding component 8, endoporus grinding assembly 10 and splined shaft 13, wherein：Decelerating motor 1 is fixedly connected
On deceleration machine support 2；Bearing chamber 3 is fixedly installed in deceleration machine support 2；In the output shaft and bearing chamber 3 of decelerating motor 1
Axis is concentric；Splined shaft 13 is fixedly connected with decelerating motor 1, is rotated under its drive；Splined shaft 13 is socketed with bearing chamber 3；Flower
Chuck 6, end surface grinding component 8 and endoporus grinding assembly 10 are sequentially coaxially fixedly connected on the side of key axis 13；Endoporus is ground
Component 10 is fixedly connected on the position of one end far from decelerating motor 1 on splined shaft 13；End surface grinding component 8 be and splined shaft 13
The abrasive disk being fixedly connected；Endoporus grinding assembly 10 is the grinding head being fixedly connected with splined shaft 13；Wherein：Bearing chamber 3 includes
Angular contact ball bearing 4, skeleton rubber sealing 5, bearing baffle ring 14, packing 15, lubricating cup 16, bearing spacer 17 and circlip 18；
Bearing baffle ring 14, skeleton rubber sealing 5, angular contact ball bearing 4, bearing spacer 17 and circlip 18 are sequentially connected, and form axis
It holds and is；It is provided with lubricating cup 16 on the side of bearing spacer 17, leads to inside bearing system；It is provided with disk on the side of bearing baffle ring 14
Root 15；Packing 15 is connect with chuck 6；Chuck attachment 7 is provided on chuck 6；Chuck attachment 7 is fixed with end surface grinding component 8 to be connected
It connects；Wherein：Compressed spring 9, liner 11 and axis with clamp spring 12 it is each there are two；Compressed spring 9 is fixedly connected with liner 11, liner 11
It is fixedly connected on by axis clamp spring 12 on the side of splined shaft 13, composition spring system；Compressed spring 9 is with splined shaft 13 in concentric
Arrangement；Compressed spring 9, liner 11 and the spring system that forms of axis clamp spring 12 respectively with end surface grinding component 8 and endoporus grinding group
Part 10 connects；Two compressed springs 9, one end far from liner 11 are solid with end surface grinding component 8 and endoporus grinding assembly 10 respectively
Fixed connection；Wherein：More valve bolts hole are provided on chuck 6；Wherein：Axis clamp spring 12 is limited in different jump-ring slots, jump-ring slot
Have it is multiple, be located at splined shaft 13 different location；Wherein：It is that sliding is matched that splined shaft 13, which uses spline type of attachment, fit form,
It closes.
When work：It feels relieved by using the chuck 6 of national standard manufacture, also can be adjusted to five according to site dimension and position
Pawl four paws or three-jaw centering, it is convenient, flexible；Transmission mechanism is positioned with 6 subsequent packing of chuck, 15 seam allowance, has accurate positioning
The characteristics of；Splined shaft 13 uses spline type of attachment, and spline fitted diameter centering, centering precision is high, and fit form is that sliding is matched
It closes, convenient for milling tool to the continuous grinding cutting of abradant surface；The compressed spring 9 that axial cutting force selects specification different, according to hole
Diameter size or abradant surface size determine that spring specification, spring position axis clamp spring 12 are limited in different jump-ring slots
(adjustment cutting force and stroke), jump-ring slot are located at the different location of splined shaft 13, and powered rotation is implemented with same root splined shaft 13；
Integral grinding mechanism, to improve the stability of fixed mechanism, is connected with petal other than being fixed with several pawls on the outside of mechanism
Flange, flange are connect with high-pressure main throttle valve flange bolt eye；Splined shaft 13 passes through two disk angular contact bearings 4 and 15 seam allowance of packing
Bearing chamber 3,3 outward flange of bearing chamber of connection are connect with 1 seam allowance of decelerating motor, in addition to that can reach stable delivery driving moment, also
There is the element that floating support component is equipped with when having given up original grinding, mechanism is compact, easy to use.
Finally it should be noted that：The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention's
Within protection domain.
Claims (6)
1. a kind of high-pressure main throttle valve end surface grinding tool, including decelerating motor (1), deceleration machine support (2), bearing chamber (3), chuck
(6), end surface grinding component (8), endoporus grinding assembly (10) and splined shaft (13), it is characterised in that：The decelerating motor (1) is solid
Surely it is connected on deceleration machine support (2)；It is fixedly installed bearing chamber (3) in the deceleration machine support (2)；The decelerating motor
(1) output shaft and the central axes of bearing chamber (3) are concentric；The splined shaft (13) is fixedly connected with decelerating motor (1), in its band
Dynamic lower rotation；The splined shaft (13) is socketed with bearing chamber (3)；It is sequentially coaxially fixedly connected on the side of the splined shaft (13)
There are chuck (6), end surface grinding component (8) and endoporus grinding assembly (10)；The endoporus grinding assembly (10) is fixedly connected on flower
The position of one end far from decelerating motor (1) on key axis (13)；The end surface grinding component (8) is and splined shaft (13) is fixed and connected
The abrasive disk connect；The endoporus grinding assembly (10) is the grinding head being fixedly connected with splined shaft (13).
2. high-pressure main throttle valve end surface grinding tool as described in claim 1, it is characterised in that：The bearing chamber (3) includes angle
Contact ball bearing (4), skeleton rubber sealing (5), bearing baffle ring (14), packing (15), lubricating cup (16), bearing spacer (17) and bullet
Property baffle ring (18)；The bearing baffle ring (14), skeleton rubber sealing (5), angular contact ball bearing (4), bearing spacer (17) and bullet
Property baffle ring (18) be sequentially connected, composition bearing system；It is provided with lubricating cup (16) on the side of the bearing spacer (17), leads to bearing
System is internal；It is provided with packing (15) on the side of the bearing baffle ring (14)；The packing (15) connect with chuck (6)；It is described
Chuck attachment (7) is provided on chuck (6)；The chuck attachment (7) is fixedly connected with end surface grinding component (8).
3. high-pressure main throttle valve end surface grinding tool as described in claim 1, it is characterised in that：The compressed spring (9), liner
(11) and axis with clamp spring (12) it is each there are two；The compressed spring (9) is fixedly connected with liner (11), and liner (11) is used by axis
Clamp spring (12) is fixedly connected on the side of splined shaft (13), composition spring system；The compressed spring (9) is in splined shaft (13)
Arranged concentric；The compressed spring (9), liner (11) and the spring system that forms of axis clamp spring (12) respectively with end surface grinding component
(8) it is connected with endoporus grinding assembly (10)；Described two compressed springs (9), one end far from liner (11) are ground with end face respectively
Mill component (8) is fixedly connected with endoporus grinding assembly (10).
4. high-pressure main throttle valve end surface grinding tool as described in claim 1, it is characterised in that：It is provided on the chuck (6)
More valve bolts hole.
5. high-pressure main throttle valve end surface grinding tool as described in claim 1, it is characterised in that：The axis is limited with clamp spring (12)
In different jump-ring slots, jump-ring slot have it is multiple, be located at splined shaft (13) different location.
6. high-pressure main throttle valve end surface grinding tool as described in claim 1, it is characterised in that：The splined shaft (13) is using flower
Key connection form, fit form are that sliding coordinates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810465236.0A CN108705393B (en) | 2018-05-16 | 2018-05-16 | High-pressure main valve end face grinding tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810465236.0A CN108705393B (en) | 2018-05-16 | 2018-05-16 | High-pressure main valve end face grinding tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108705393A true CN108705393A (en) | 2018-10-26 |
| CN108705393B CN108705393B (en) | 2020-06-23 |
Family
ID=63868938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810465236.0A Active CN108705393B (en) | 2018-05-16 | 2018-05-16 | High-pressure main valve end face grinding tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108705393B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6026671B2 (en) * | 1982-01-18 | 1985-06-25 | 日清工業株式会社 | Double-head surface grinder |
| CN2445856Y (en) * | 2000-04-29 | 2001-09-05 | 通辽通发实业总公司科技开发处 | Adjustable pneumatic-electric valve grinder |
| CN2925744Y (en) * | 2006-07-06 | 2007-07-25 | 安东石油技术（集团）有限公司 | Drilling-rod sealed-side grinder |
| CN203317205U (en) * | 2013-05-13 | 2013-12-04 | 重庆前卫海洋石油工程设备有限责任公司 | Valve body sealing surface grinding tool of flat gate valve |
| CN206416010U (en) * | 2016-12-30 | 2017-08-18 | 河北国源电力设备有限公司 | A kind of lapping device of electric power valve site examining and repairing |
| CN107097147A (en) * | 2017-04-27 | 2017-08-29 | 上海电力股份有限公司吴泾热电厂 | Digital display lapping device for high temperature and high pressure steam valve sealing face |
| CN107471083A (en) * | 2017-09-14 | 2017-12-15 | 沈阳多元机电设备有限公司 | A kind of steam turbine valve sealing surface of seat grinds prosthetic appliance |
-
2018
- 2018-05-16 CN CN201810465236.0A patent/CN108705393B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6026671B2 (en) * | 1982-01-18 | 1985-06-25 | 日清工業株式会社 | Double-head surface grinder |
| CN2445856Y (en) * | 2000-04-29 | 2001-09-05 | 通辽通发实业总公司科技开发处 | Adjustable pneumatic-electric valve grinder |
| CN2925744Y (en) * | 2006-07-06 | 2007-07-25 | 安东石油技术（集团）有限公司 | Drilling-rod sealed-side grinder |
| CN203317205U (en) * | 2013-05-13 | 2013-12-04 | 重庆前卫海洋石油工程设备有限责任公司 | Valve body sealing surface grinding tool of flat gate valve |
| CN206416010U (en) * | 2016-12-30 | 2017-08-18 | 河北国源电力设备有限公司 | A kind of lapping device of electric power valve site examining and repairing |
| CN107097147A (en) * | 2017-04-27 | 2017-08-29 | 上海电力股份有限公司吴泾热电厂 | Digital display lapping device for high temperature and high pressure steam valve sealing face |
| CN107471083A (en) * | 2017-09-14 | 2017-12-15 | 沈阳多元机电设备有限公司 | A kind of steam turbine valve sealing surface of seat grinds prosthetic appliance |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108705393B (en) | 2020-06-23 |
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