CN210757118U - Valve grinding device - Google Patents
Valve grinding device Download PDFInfo
- Publication number
- CN210757118U CN210757118U CN201921131148.3U CN201921131148U CN210757118U CN 210757118 U CN210757118 U CN 210757118U CN 201921131148 U CN201921131148 U CN 201921131148U CN 210757118 U CN210757118 U CN 210757118U
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- valve
- frame
- hinged
- speed reducer
- main frame
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Abstract
The utility model relates to a valve and abrasive machining technical field, concretely relates to valve grinder. The grinding disc comprises a main frame, wherein the top of the main frame is hinged and connected with one end of a movable frame, the other end of the movable frame is hinged and connected with a speed reducer fixing seat, a speed reducer is fixed in the speed reducer fixing seat, an output shaft of the speed reducer is connected with a grinding disc fixing seat through a shaft sleeve and a fixing connecting piece of the shaft sleeve, and the grinding disc fixing seat is detachably connected with a grinding disc; the bottom of the main frame is fixed with a telescopic device, and a telescopic end of the telescopic device is hinged with the middle part of the movable frame; the two sides of the middle part of the main frame are hinged with the inner side of the valve fixing frame through the rotating shaft group, and the angle of the valve fixing frame is adjusted through the adjusting screw rod group fixed on the main frame. The height between the grinding disc and the valve fixing frame can be adjusted to adapt to the heights of different valves; the angle can be adjusted through the valve fixing frame, and the hinged connection of the speed reducer fixing seat and the movable frame can also be matched with valves which are inclined to grind at different angles.
Description
Technical Field
The utility model relates to a valve and abrasive machining technical field, concretely relates to valve grinder.
Background
After a certain service time, because of a large amount of contact friction between the valve core and the valve seat and the difference between the two component materials, the temperature change of a medium inside the valve body, the scouring of steam and water and the certain abrasion and corrosion phenomena of the sealing surface of the valve seat can be generated, the sealing performance of the valve can be reduced and the control performance can be reduced due to the phenomena, so that the steam and water energy consumption of the power station is increased, the system energy efficiency is reduced, the negative influence is generated on the whole power station system, therefore, the valve needs to be replaced after being used for a period of time, and the valve can be continuously used after being.
At present, in the prior art, a valve grinding machine has few inclined surfaces which can be directly used for grinding a valve, usually, the abraded valve is ground manually, an operator can only simply grind and repair the valve with light damage when repairing the valve, the valve with serious damage cannot be repaired, and the valve can only be replaced if the valve with serious damage is seriously damaged, so that the operation cost of an enterprise is improved, and the overhaul period is prolonged. Therefore, it is of great interest to develop a tool that can directly grind a biased valve.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a can directly carry out the valve grinder who grinds to incline valve.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a valve grinding device comprises a main frame, wherein the top of the main frame is hinged and connected with one end of a movable frame, the other end of the movable frame is hinged and connected with a speed reducer fixing seat, a speed reducer is fixed in the speed reducer fixing seat, an output shaft of the speed reducer is connected with a grinding disc fixing seat through a shaft sleeve and a fixing connecting piece of the shaft sleeve, and the grinding disc fixing seat is detachably connected with a grinding disc; the bottom of the main frame is fixed with a telescopic device, and a telescopic end of the telescopic device is hinged with the middle part of the movable frame; the two sides of the middle part of the main frame are hinged with the inner side of the valve fixing frame through the rotating shaft group, and the angle of the valve fixing frame is adjusted through the adjusting screw rod group fixed on the main frame.
Preferably, the rotating shaft group comprises a shaft seat fixedly connected with the main frame and a hinged shaft of the valve fixing frame.
Preferably, a shaft sleeve is arranged between the speed reducer output shaft and the grinding disc fixing seat in a matching mode, and the speed reducer output shaft and the grinding disc fixing seat are connected in a hinged mode through a bolt or a bolt.
Preferably, the telescopic device is an electric cylinder or a hydraulic cylinder.
Preferably, the adjusting screw group comprises a screw with a hand wheel and a screw support fixed on the main frame.
Preferably, the bottom of the valve fixing frame is provided with a support matched with the top of the lead screw.
Preferably, the main frame comprises a workbench frame for fixing the shaft seat.
Has the advantages that: the speed reducer of the utility model is hinged with the main frame through the movable frame, and then the height between the grinding disc and the valve fixing frame can be adjusted through matching with the pressure cylinder, so as to adapt to the heights of different valves; the angle can be adjusted through the valve fixing frame, and the hinged connection of the speed reducer fixing seat and the movable frame can also be matched with valves which are inclined to grind at different angles.
Drawings
FIG. 1 is a schematic side view of a valve polishing apparatus;
FIG. 2 is a schematic front view of a valve grinding apparatus;
in the figure, a speed reducer 1, a speed reducer fixing seat 2, a main frame 3, a work bench 4, a shaft sleeve 5, a grinding disc fixing seat 6, a rotating shaft group 7, an adjusting screw rod group 8, a movable frame 9, a telescopic end 10, a hydraulic cylinder 11, a hydraulic cylinder support 12, a grinding disc 13 and a valve fixing frame 14.
Detailed Description
The invention will be further explained in detail with reference to the drawings and the specific embodiments.
Fig. 1 to 2 show a valve grinding device, which comprises a main frame 3, wherein the top of the main frame 3 is hinged to one end of a movable frame 9, the other end of the movable frame 9 is hinged to a speed reducer fixing seat 2, a speed reducer 1 is fixed in the speed reducer fixing seat 2, an output shaft of the speed reducer 1 is connected with a grinding disc 13 fixing seat 6 through a shaft sleeve 5 and a fixing connecting piece of the shaft sleeve, and the grinding disc 13 fixing seat 6 is detachably connected with a grinding disc 13; a telescopic device is fixed at the bottom of the main frame 3, and a telescopic end 10 of the telescopic device is hinged with the middle part of the movable frame 9; the two sides of the middle part of the main frame 3 are hinged with the inner side of a valve fixing frame 14 through a rotating shaft group 7, and the angle of the valve fixing frame 14 is adjusted through an adjusting screw rod group 8 fixed on the main frame 3.
The rotating shaft group 7 comprises a shaft seat fixedly connected with the main frame 3 and a hinged shaft of the valve fixing frame 14. The main frame 3 comprises a workbench frame 4 for fixing the shaft seat, and the workbench frame 4 is positioned in the middle of the main frame 3 and is connected with a valve fixing frame 14.
And a shaft sleeve 5 is arranged between the output shaft of the speed reducer 1 and the fixed seat 6 of the grinding disc 13 in a matching manner, and the output shaft of the speed reducer 1 is hinged with the fixed seat 6 of the grinding disc 13 through a bolt or a bolt.
The telescopic device is an electric cylinder or a hydraulic cylinder 11, and the electric cylinder or the hydraulic cylinder 11 has better linear control performance and can meet the requirement, namely the hydraulic cylinder 11 in the embodiment; the hydraulic cylinder 11 is connected with the main frame 3 through a hydraulic cylinder support 12, the bottom of the hydraulic cylinder support is connected with the main frame 3 in a welding mode, and a base of the hydraulic cylinder 11 is connected in a hinged mode.
The adjusting screw group 8 comprises a screw with a hand wheel and a screw support fixed on the main frame 3; and a support matched with the top of the lead screw is arranged at the bottom of the valve fixing frame 14. Thus, the angle of the valve fixing frame 14 can be adjusted by rotating the lead screw hand wheel. The valve fixing frame 14 is provided with a flange for fixing the valve.
To sum up, the utility model discloses obvious beneficial effect does: the speed reducer 1 of the utility model is hinged with the main frame 3 through the movable frame 9, and then the height between the grinding disc 13 and the valve fixing frame 14 can be adjusted through matching with the pressure cylinder, so as to adapt to the heights of different valves; the angle can be adjusted through the valve fixing frame 14, and the hinged connection of the speed reducer fixing seat 2 and the movable frame 9 can also be matched with valves which are inclined to grind at different angles.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution of the present invention and the inventive concept thereof within the technical scope of the present invention.
Claims (6)
1. A valve grinding device comprises a main frame and is characterized in that the top of the main frame is hinged with one end of a movable frame, the other end of the movable frame is hinged with a speed reducer fixing seat, a speed reducer is fixed in the speed reducer fixing seat, an output shaft of the speed reducer is connected with a grinding disc fixing seat through a shaft sleeve and a fixing connecting piece of the shaft sleeve, and the grinding disc fixing seat is detachably connected with a grinding disc; the bottom of the main frame is fixed with a telescopic device, and a telescopic end of the telescopic device is hinged with the middle part of the movable frame; the two sides of the middle part of the main frame are hinged with the inner side of the valve fixing frame through the rotating shaft group, and the angle of the valve fixing frame is adjusted through the adjusting screw rod group fixed on the main frame.
2. The valve grinder assembly of claim 1, wherein the pivot assembly includes a pivot seat fixedly coupled to the frame and a pivot shaft fixedly coupled to the valve holder.
3. The valve grinding device of claim 1, wherein a shaft sleeve is arranged between the reducer output shaft and the grinding disc fixing seat in a matching manner, and the reducer output shaft and the grinding disc fixing seat are hinged through a bolt or a bolt.
4. The valve grinder assembly of claim 1, wherein the extension and retraction device is a hydraulic or pneumatic cylinder.
5. The valve grinder assembly of claim 1, wherein the adjustment screw set includes a screw having a handwheel and a screw support secured to the frame.
6. The valve grinder assembly of claim 1, wherein the valve holder is provided with a seat at a bottom thereof for engaging a top of the lead screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921131148.3U CN210757118U (en) | 2019-07-18 | 2019-07-18 | Valve grinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921131148.3U CN210757118U (en) | 2019-07-18 | 2019-07-18 | Valve grinding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210757118U true CN210757118U (en) | 2020-06-16 |
Family
ID=71046380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921131148.3U Active CN210757118U (en) | 2019-07-18 | 2019-07-18 | Valve grinding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210757118U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111633535A (en) * | 2020-06-19 | 2020-09-08 | 南京弘晖机电制造有限公司 | Polishing device |
-
2019
- 2019-07-18 CN CN201921131148.3U patent/CN210757118U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111633535A (en) * | 2020-06-19 | 2020-09-08 | 南京弘晖机电制造有限公司 | Polishing device |
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