CN204976241U - Grinder of relief valve disk seat - Google Patents
Grinder of relief valve disk seat Download PDFInfo
- Publication number
- CN204976241U CN204976241U CN201520435257.XU CN201520435257U CN204976241U CN 204976241 U CN204976241 U CN 204976241U CN 201520435257 U CN201520435257 U CN 201520435257U CN 204976241 U CN204976241 U CN 204976241U
- Authority
- CN
- China
- Prior art keywords
- bearing
- top chock
- shell
- grinding post
- lapping device
- 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 provides a grinder of relief valve disk seat, it is main including bolster bearing housing, the step, grind post and shell, the inside of shell distributes from top to bottom and has bolster bearing housing and step, be connected fixedly between bolster bearing housing and the step relatively through a plurality of bearing frame connecting bolt, a plurality of grinds the post pivot and ran through bolster bearing housing and step, the lower extreme that grinds the post pivot stretches out the step and is connected with the grinding post, grinding post pivot section between bolster bearing housing and the step leans on last position department to be equipped with the pivot gear, be equipped with annular tooth on the internal surface of shell, annular tooth and the cooperation of pivot gear intermeshing, bolster bearing housing's upper surface upwards is equipped with perpendicularly to push away and pulls out the axle sleeve, push away and pull out the axle sleeve and pull out the shaft fit with pushing away of upright drill and be connected, push away and pull out the axle through belt pulley and reducer drive connections, the drilling machine handle pulls out the hub connection with pushing away, the disk seat cover is in the outside of shell, grind the inner wall contact of post and disk seat.
Description
Technical field
The utility model relates to lapping device structure, especially a kind of lapping device of valve base of safety valve.
Background technology
Safety valve is after the use regular period, need to grind the valve base of safety valve fallen short of specifications, with the sealability in lift-off seal face, but the not special milling tool for grinding valve base of safety valve on market, generally use upright drill, open side type grinding post is driven to grind, but owing to being concentric shafts grinding, abradant surface easily produces the mill line of similar disc lines, the sealing property of valve seat can be caused bad, and the abradant surface after grinding also has the phenomenon that internal diameter is high and external diameter is low, abradant surface camber, if direct upright drill drives, have the problem that grinding rotating speed is too fast.
Summary of the invention
The utility model will solve the shortcoming of above-mentioned prior art, provides that a kind of structure is simple, the lapping device of the valve base of safety valve of function admirable.
The utility model solves the technical scheme that its technical problem adopts: the lapping device of this valve base of safety valve, mainly comprise top chock, step, grinding post and shell, the inside of shell is distributed with top chock and step up and down, between top chock with step, by several, bearing block connecting bolt is relative is connected and fixed, several grinding post rotating shafts penetrate top chock and step, the lower end of grinding post rotating shaft is stretched out step and is connected with grinding post, the top position of grinding post rotating shaft section between top chock and step is provided with shaft gear, the inner surface of shell is provided with annular tooth, annular tooth and shaft gear engage each other cooperation, the upper surface of top chock upwards is vertically provided with to push away and pulls out axle sleeve, push away and pull out pushing away of axle sleeve and upright drill and pull out axle and be connected, push away and pull out axle and be connected with speed reducer drive by belt pulley, drilling machine handle pulls out axle and is connected with pushing away, valve seat is enclosed within the outside of shell, the contact internal walls of grinding post and valve seat.
Described top chock is flattened cylindrical shape, and top chock is embedded with shaft bearing, and the upper end of grinding post rotating shaft is positioned at shaft bearing, and on the external peripheral surface of top chock, cover has top chock bearing.
Described step is flattened cylindrical shape, step is embedded with lower rotary shaft bearing, and the rotating shaft of grinding post is applied in lower rotary shaft bearing, and on the external peripheral surface of step, cover has step bearing.
The rotating shaft of described grinding post is 3.
The effect that the utility model is useful is: the utility model structure is ground by the revolution of multiple grinding post rotating shaft and certainly transferring, owing to being not concentric shafts grinding, therefore abradant surface can not produce the mill line of similar disc line, improve the sealing property of valve seat, the utility model simple installation, grind with machine turns completely during grinding, instead of manpower grinding, not only improve the precision of abradant surface, and significantly reduce milling time, improve efficiency.
Accompanying drawing explanation
Fig. 1 is the utility model sectional structure schematic diagram;
Fig. 2 be with the utility model with the use of upright drill structural representation;
Fig. 3 is the utility model using state structural representation.
Description of reference numerals: shell 1, pushes away and pulls out axle sleeve 2, top chock 3, upper shaft bearing 4, top chock bearing 5, annular tooth 6, shaft gear 7, grinding post rotating shaft 8, lower rotary shaft bearing 9, lower rotary shaft bearing 10, bearing block connecting bolt 11, grinding post 12, step bearing 13, set bolt 14, upright drill 15, reductor 16, belt pulley 17, push away and pull out axle 18, drilling machine handle 19, valve seat 20.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in the figure, the lapping device of this valve base of safety valve, mainly comprise top chock 3, step 10, grinding post 12 and shell 1, shell 1 is hollow circuit cylinder barrel structure, and the upper part internal diameter of cylinder is greater than the internal diameter of lower part.Push away and pull out axle sleeve 2 for hollow cylindrical structure.The inside of shell 1 is distributed with top chock 3 and step 10 up and down, between top chock 3 with step 10, by several, bearing block connecting bolt 11 is relative is connected and fixed, and can not be separated, 3 grinding posts rotating shaft 8 penetrates top chock 3 and step 10, the lower end of grinding post rotating shaft 8 is stretched out step 10 and is connected with grinding post 12, is connected and fixed between grinding post rotating shaft 8 and grinding post 12 by set bolt 14.Top chock 3 is flattened cylindrical shape, top chock 3 is embedded with shaft bearing 4, the upper end of grinding post rotating shaft 8 is positioned at shaft bearing 4, and on the external peripheral surface of top chock 3, cover has top chock bearing 5, and top chock bearing 5 can roll on the inner surface of shell 1.Step 10 is flattened cylindrical shape, step 10 is embedded with lower rotary shaft bearing 9, grinding post rotating shaft 8 is applied in lower rotary shaft bearing 9, and on the external peripheral surface of step 10, cover has step bearing 13, and step bearing 13 can roll on the inner surface of shell 1.Upper shaft bearing 4 and lower rotary shaft bearing 9 are ball bearing, and top chock bearing 5 and step bearing 13 are needle bearing.The top position of grinding post rotating shaft 8 sections between top chock 3 and step 10 is provided with shaft gear 7, the inner surface of shell 1 is provided with the annular tooth 6 of a circle, annular tooth 6 and shaft gear 7 engage each other cooperation, shaft gear 7 can move in turn in annular tooth 6, the upper surface of top chock 3 is upwards vertically provided with to push away and pulls out axle sleeve 2, push away and pull out pushing away of axle sleeve 2 and upright drill 15 and pull out axle 18 and be connected, push away and pull out axle 18 and be in transmission connection by belt pulley 17 and reductor 16, drilling machine handle 19 pulls out axle 18 and is connected with pushing away, valve seat 20 is enclosed within the outside of shell 1, the contact internal walls of grinding post 12 and valve seat 20.
With the utility model with the use of the output speed of reductor 16 of upright drill 15 be 23rpm, and increase and connect ground wire, can three sections of speed governing, make grinding rotating speed between 14-32rpm.In use, pull out axle sleeve 2 and be enclosed within pushing away of upright drill 15 by pushing away and pull out on axle 18, bolt is used to be fixed on upright drill 15 by shell 1, be enclosed within shell 1 after valve seat 20 is corrected location outside, add lapping liquid at the abradant surface of valve seat 20, turn on the power switch, press down drilling machine handle 19, make lapping device be deep into valve seat 20 inner, reach and need grinding place, can grinding operation be carried out.
When the power supply opening upright drill 15 grinds, the power of upright drill 15 has belt pulley 17 to be communicated to push away and pulls out axle sleeve 2, top chock 3 and step 10 is driven to revolve round the sun, because shell 1 is fixed on upright drill 15, can not rotate, when top chock 3 and step 10 revolve round the sun, the shaft gear 7 in grinding post rotating shaft 8 rotates and rolls and detours in annular tooth 6, makes to be fixed on the grinding post 12 grinding post 8 lower end and to revolve round the sun and can rotation.
In addition to the implementation, the utility model can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.
Claims (9)
1. the lapping device of a valve base of safety valve, mainly comprise top chock (3), step (10), grinding post (12) and shell (1), it is characterized in that: the inside of shell (1) is distributed with top chock (3) and step (10) up and down, between top chock (3) with step (10), by several, bearing block connecting bolt (11) is relative is connected and fixed, several grindings post rotating shaft (8) penetrate top chock (3) and step (10), the lower end of grinding post rotating shaft (8) is stretched out step (10) and is connected with grinding post (12), the top position of grinding post rotating shaft (8) section between top chock (3) and step (10) is provided with shaft gear (7), the inner surface of shell (1) is provided with annular tooth (6), annular tooth (6) and shaft gear (7) engage each other cooperation, the upper surface of top chock (3) is upwards vertically provided with to push away and pulls out axle sleeve (2), push away and pull out pushing away of axle sleeve (2) and upright drill (15) and pull out axle (18) and be connected, push away and pull out axle (18) and be in transmission connection by belt pulley (17) and reductor (16), drilling machine handle (19) pulls out axle (18) and is connected with pushing away, valve seat (20) is enclosed within the outside of shell (1), the contact internal walls of grinding post (12) and valve seat (20).
2. the lapping device of valve base of safety valve according to claim 1, it is characterized in that: described top chock (3) is flattened cylindrical shape, top chock (3) is embedded with shaft bearing (4), the upper end of grinding post rotating shaft (8) is positioned at shaft bearing (4), and on the external peripheral surface of top chock (3), cover has top chock bearing (5).
3. the lapping device of valve base of safety valve according to claim 1 and 2, it is characterized in that: described step (10) is flattened cylindrical shape, step (10) is embedded with lower rotary shaft bearing (9), grinding post rotating shaft (8) is applied in lower rotary shaft bearing (9), and on the external peripheral surface of step (10), cover has step bearing (13).
4. the lapping device of valve base of safety valve according to claim 2, is characterized in that: described upper shaft bearing (4) and lower rotary shaft bearing (9) are ball bearing.
5. the lapping device of valve base of safety valve according to claim 2, is characterized in that: described top chock bearing (5) and step bearing (13) are needle bearing.
6. the lapping device of valve base of safety valve according to claim 1, is characterized in that: be connected and fixed by set bolt (14) between described grinding post rotating shaft (8) and grinding post (12).
7. the lapping device of valve base of safety valve according to claim 1, is characterized in that: described grinding post rotating shaft (8) is 3.
8. the lapping device of valve base of safety valve according to claim 1, is characterized in that: described shell (1) is hollow circuit cylinder barrel structure, and the upper part internal diameter of cylinder is greater than the internal diameter of lower part.
9. the lapping device of valve base of safety valve according to claim 1, is characterized in that: described in push away that to pull out axle sleeve (2) be hollow cylindrical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520435257.XU CN204976241U (en) | 2015-06-20 | 2015-06-20 | Grinder of relief valve disk seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520435257.XU CN204976241U (en) | 2015-06-20 | 2015-06-20 | Grinder of relief valve disk seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204976241U true CN204976241U (en) | 2016-01-20 |
Family
ID=55110659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520435257.XU Expired - Fee Related CN204976241U (en) | 2015-06-20 | 2015-06-20 | Grinder of relief valve disk seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204976241U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106426026A (en) * | 2016-03-07 | 2017-02-22 | 江苏省特种设备安全监督检验研究院江阴分院 | Safety valve maintenance platform with automatic station in-place function |
| CN106425753A (en) * | 2016-06-20 | 2017-02-22 | 河北大唐国际王滩发电有限责任公司 | Portable high-accuracy safety valve grinder |
| CN109093488A (en) * | 2018-10-15 | 2018-12-28 | 江山市志成阀门有限公司 | A kind of process equipment of anticlogging ball valve seat |
-
2015
- 2015-06-20 CN CN201520435257.XU patent/CN204976241U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106426026A (en) * | 2016-03-07 | 2017-02-22 | 江苏省特种设备安全监督检验研究院江阴分院 | Safety valve maintenance platform with automatic station in-place function |
| CN106426026B (en) * | 2016-03-07 | 2018-02-02 | 江苏省特种设备安全监督检验研究院 | The safety valve maintenance platform of station automatic in-position |
| CN106425753A (en) * | 2016-06-20 | 2017-02-22 | 河北大唐国际王滩发电有限责任公司 | Portable high-accuracy safety valve grinder |
| CN109093488A (en) * | 2018-10-15 | 2018-12-28 | 江山市志成阀门有限公司 | A kind of process equipment of anticlogging ball valve seat |
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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: 20160120 Termination date: 20160620 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |