CN109719589A - A kind of grinding prosthetic device of sealing surface of safety valve - Google Patents
A kind of grinding prosthetic device of sealing surface of safety valve Download PDFInfo
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- CN109719589A CN109719589A CN201811562333.8A CN201811562333A CN109719589A CN 109719589 A CN109719589 A CN 109719589A CN 201811562333 A CN201811562333 A CN 201811562333A CN 109719589 A CN109719589 A CN 109719589A
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- grinding
- prosthetic device
- magnet
- centration axis
- outer cylinder
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a kind of grinding prosthetic devices of sealing surface of safety valve, belong to oil/gas well safety valve manufacturing technology field.Grinding prosthetic device includes the fixed mechanism for fixing valve plate, the fixed mechanism includes outer cylinder and wears centration axis in the outer cylinder, for the centration axis by being screwed on the outer cylinder, the end of the centration axis is connected with the magnet for adsorbing valve plate.The embodiment of the invention provides a kind of grinding prosthetic devices of novel sealing surface of safety valve, and structure is simple, low in cost, and realize automatic grinding, reduce grinding cost, improve grinding efficiency.
Description
Technical field
The present invention relates to oil/gas well safety valve manufacturing technology fields, and in particular to a kind of grinding of sealing surface of safety valve is repaired
Apparatus for coating.
Background technique
Oil/gas well is mainly used to realize downhole crude flowing control with storm valve.When well kick occurs for underground, peace
Full valve is automatically closed, the generation prevented accident.The valve plate and valve seat of safety valve are the key components and parts for guaranteeing safety valve sealing.Mesh
Before, the facing-up of sealing surface is repaired there are mainly three types of mode between the valve plate and valve seat of safety valve, respectively hand lapping, semi-automatic
Grinding and full-automatic grinding.Hand lapping is at low cost, frequency of usage is high, but takes time and effort；Semi-automatic grinding is using hand-held grinding
Tool, valve body rotation, although working efficiency improve, valve plate, valve seat processing quality be affected by human factors greatly；Automatically grind
Grinding machine operating cost is higher.These make the use of the oil/gas well storm valve high to sealing surface requirement on machining accuracy by
Limitation.
Now, how low cost, efficiently realize facing-up reparation to the sealing surface of safety valve, become safety valve processing system
Make the key technology in field.
Summary of the invention
The purpose of the embodiment of the present invention is that a kind of grinding prosthetic device of sealing surface of safety valve is provided, to realize safety valve
The automatic grinding of sealing surface reduces grinding cost, improves grinding efficiency.
In order to solve the above-mentioned technical problem, the embodiment of the invention provides a kind of grinding reparation of sealing surface of safety valve dresses
It sets, which is characterized in that including the fixed mechanism for fixing valve plate, the fixed mechanism includes outer cylinder and is threaded through described outer
Centration axis in cylinder, by being screwed on the outer cylinder, the end of the centration axis is connected with for inhaling the centration axis
The magnet of attached valve plate.
Optionally, the end of the centration axis is connect by compressible elastomeric component with the magnet.
Optionally, the end of the centration axis is provided with the boss protruded towards the magnet direction, the elastomeric element
It is set on the boss.
Optionally, axially extending through-hole is provided in the centration axis, the grinding prosthetic device further includes being threaded through
One end towards the magnet of centering bar in the through-hole, the centering bar is fixedly connected with the magnet, the centering
The fine tuning structure for adjusting radial position of the centering bar in the through-hole is provided on axis.
Optionally, the fine tuning structure includes the adjustment hole being arranged in the centration axis and is screwed in the adjustment hole
Adjusting screw of the interior and apical grafting on the centering bar outer wall adjusts depth of the adjusting screw in the adjustment hole to adjust
Save radial position of the centering bar in the through-hole.
Optionally, one end far from the magnet of the centering bar is provided with limited cap.
Optionally, the fixed mechanism further includes the positioning for being arranged on the outer wall of the outer cylinder and being used to position valve plate
Block.
Optionally, the fixed mechanism further includes the end cap for being fixed on the fixed mechanism in outer clamp, institute
The outside that end cap is set in the centration axis is stated, the end cap is with the clamping part clamped for outer clamp and is located at the folder
The flange portion close to the outer cylinder in portion is held, the flange portion is fixedly connected with the outer cylinder.
Optionally, it is provided with cable hole on the outer cylinder, the Electric Wires & Cables for powering to the magnet are walked described in
String holes is connected on the magnet.
Optionally, the grinding prosthetic device further includes the rotating mechanism for driving valve seat to rotate, and first on valve plate
Sealing surface is contacted with the secondary sealing area cooperation on valve seat, and rotating mechanism driving valve seat rotates so that secondary sealing area and the
The grinding of one sealing surface.
The grinding prosthetic device for the sealing surface of safety valve that the embodiment of the present invention proposes, structure is simple, low in cost, Er Qieshi
Automatic grinding is showed, has reduced grinding cost, improve grinding efficiency.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention can be by specification, right
Specifically noted structure is achieved and obtained in claim and attached drawing.
Detailed description of the invention
Attached drawing is used to provide to further understand technical solution of the present invention, and constitutes part of specification, with this
The embodiment of application technical solution for explaining the present invention together, does not constitute the limitation to technical solution of the present invention.
Fig. 1 is the structural schematic diagram of the grinding prosthetic device of sealing surface of safety valve of the embodiment of the present invention；
Fig. 2 is the left view schematic diagram of Fig. 1；
Fig. 3 is the stereoscopic schematic diagram of grinding prosthetic device shown in Fig. 1.
Description of symbols:
1-valve seat；2-valve plates；3-outer cylinders；
4-magnet；5-centration axis；6-elastomeric elements；
7-centering bars；8-fastening screws；9-limited caps；
10-elastomeric pads；11-end caps；12-adjust screw；
13-locating pieces；14-primary sealing areas；21-secondary sealing areas；
51-boss；71-72-adjustment holes of through-hole；
111-clamping parts；112-flange portions.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention
Embodiment be described in detail.It should be noted that in the absence of conflict, in the embodiment and embodiment in the application
Feature can mutual any combination.
Technology contents of the invention will be discussed in detail by specific embodiment below.
Fig. 1 is the structural schematic diagram of the grinding prosthetic device of sealing surface of safety valve of the embodiment of the present invention.Fig. 2 is a left side of Fig. 1
Depending on schematic diagram, Fig. 3 is the axis side schematic diagram of grinding prosthetic device shown in Fig. 1.As shown in Figure 1, the grinding of sealing surface of safety valve is repaired
Apparatus for coating includes the fixed mechanism for fixing valve plate 2.Fixed mechanism includes outer cylinder 3 and centration axis 5.It is set in outer cylinder 3 along axial direction
It is equipped with the mounting hole 31 of perforation, centration axis 5 is threaded through in mounting hole 31, and centration axis 5 is connect with mounting hole 31 by being screwed.
The lower end of centration axis 5 is connected with magnet 4, and magnet 4 is used to adsorb valve plate 2.Outer cylinder 3 generates interference, magnet to valve plate 2 in order to prevent
The lower end surface of the 4 lower end surface protrusion outer cylinder 3 for adsorbing valve plate 2.Between the lower end surface of magnet 4 and the lower end surface of outer cylinder 3
Distance can be 2mm~3mm, and in the present embodiment, the distance between the lower end surface of magnet 4 and the lower end surface of outer cylinder 3 are
2.5mm.Grinding prosthetic device further includes the rotating mechanism (not shown) for driving valve seat 1 to rotate.Dress is repaired in grinding
It sets when being ground to valve plate 2 and valve seat 1, the primary sealing area 14 on secondary sealing area 21 and valve seat 1 on valve plate 2 matches splice grafting
Touching, valve seat 1 is driven to rotate for rotating mechanism so that primary sealing area 14 and secondary sealing area 21 are mutually ground.
The embodiment of the invention provides a kind of grinding prosthetic devices of novel sealing surface of safety valve, and structure is simple, cost
It is cheap, and automatic grinding is realized, grinding cost is reduced, grinding efficiency is improved.
Rotating mechanism may include motor.Valve seat 1 is cylindrical in shape, and valve seat 1 can be fixed on electricity by the inner hole wall of valve seat 1
In the rotation axis of machine, when motor rotation, motor can drive valve seat 1 to rotate.
Magnet 4 has adsorbed valve plate 2, and when the rotating mechanism driving rotation of valve seat 1 is ground with valve plate 2, valve plate 2 may be produced
Raw circumferential offset influences grinding effect.In order to avoid the circumferential offset of valve plate 2 during the grinding process, fixed mechanism further includes positioning
Block 13, as depicted in figs. 1 and 2.Locating piece 13 is fixed by screws on the outer wall of outer cylinder 3, is provided on locating piece 3 and valve plate
The positioning protrusion that 2 notch matches, positioning protrusion be connected in the notch of valve plate 2 valve plate 2 is carried out it is circumferentially positioned.In this way,
During the grinding process, under abrasive action power, valve plate 2 would not generate circumferential offset, ensure that grinding effect.
In order to guarantee the precision of the absorption position on magnet 4 of valve plate 2, it can be set on magnet 4 and adsorbed for limiting magnet 4
The limiting structure of position.For example, what the groove on the surface for adsorbing valve plate 2 of magnet 4 in setting and valve plate 2 matched
Protrusion, the specific set-up mode and structure of limiting structure can be determine according to actual needs.It is easily understood that also can be set
Multiple limiting structures, thus, multiple limiting structures cooperate to limit the circumferential position of valve plate 2, avoid valve plate 2 in abrasive power
Under the action of circumferential offset.
In order to facilitate the dismounting of valve plate 2, locating piece 13 is detachably connected on outer cylinder 3, thus, when needing to dismount valve plate
When 2, locating piece 13 can be unloaded, after dismounting valve plate 2, then locating piece 13 is installed on outer cylinder 3.
As shown in Figure 1, the lower end of centration axis 5 is connect by compressible elastomeric component 6 with magnet 4.Compressible elastomeric component 6
It may include compressible spring.Centration axis 5 can be screwed to adjust upper and lower position of the centration axis 5 relative to outer cylinder 3, to adjust
The decrement of compressible elastomeric component 6, and then the contact force of valve plate 2 and valve seat 1 is adjusted, it realizes between valve plate 2 and valve seat 1
The adjusting of abrasion friction power realizes the controllable of abrasion friction power, and then the quality and effect of grinding can be improved.
In the present embodiment, elastomeric pad 10 is additionally provided between compressible elastomeric component 6 and magnet 4.
As shown in Figure 1, the end of centration axis 5 connecting with magnet is provided with the boss 51 towards the direction of magnet 4 protrusion,
Elastomeric element 6 is set on boss 51.The setting of boss 51 can provide guiding role for moving up and down for elastomeric element 6, protect
Card elastomeric element 6 is applied to the harmony of power in circumferential direction on magnet 4, to guarantee grinding between valve plate 2 and valve seat 1
The equilibrium of frictional force is ground, grinding effect is improved.
In the present embodiment, as shown in Figure 1, fixed mechanism further includes centering bar 7.It is provided in centration axis 5 axially extending
Through-hole 71, centering bar 7 is threaded through in the through-hole 71.The lower end (towards one end of magnet 4) of centering bar 7 and magnet 4 pass through spiral shell
Line is fixedly connected.The top of centration axis 5 is provided with fine tuning structure.Fine tuning structure includes adjustment hole 72 and adjusting screw 12.It adjusts
Hole 72 is radially arranged in centration axis 5, and adjustment hole 72 is from the periphery wall of centration axis 5 up to through-hole 71.Adjustment hole 72 is
Internal thread hole adjusts screw 12 and is screwed in adjustment hole 72.The inner end for adjusting screw 12 abuts on the periphery wall of lower centering bar 7,
Multiple fine tuning structures cooperate, thus radial position of the fixed centering bar 7 in through-hole 71.Existed by adjusting screw 12
Depth in adjustment hole 72 adjusts radial position of the centering bar 7 in through-hole 71.
During the grinding process, when the primary sealing area 14 on the secondary sealing area 21 and valve seat 1 on valve plate 2 radial direction occurs partially
When poor, radial position of the centering bar 7 in through-hole 71 can be adjusted by fine tuning structure, thus, the position of regulating magnet 4 makes
It obtains secondary sealing area 21 and primary sealing area 14 keeps cooperation, guarantee grinding quality and precision.In addition, fine tuning structure is by centering bar
7 is fixed, and upward pulling force is provided to magnet 4, cooperates, makes with the compressible elastomeric component 6 for providing downward pressure to magnet 4
It obtains magnet 4 and is maintained at fixed position, ensure that the positional stability of valve plate 2.
Fine tuning structure being arranged circumferentially along centering bar 7, the particular number of fine tuning structure can be according to practical need
It determines.
As shown in Figure 1, one end of the separate magnet 4 of centering bar 7 is provided with limited cap 9.Limited cap 9 can prevent centering bar
7 surprisingly fall off out of through-hole 71, and then can prevent magnet 4 from undesirably falling off elastomeric element 6, protect the whole of grinding prosthetic device
Body structure.In the present embodiment, limited cap 9 may include nut, the top of centering bar 7 be provided with match with nut it is outer
Screw thread, nut are screwed in the top of centering bar 7.
It is easily understood that the influence of human factor needs to fix in implementing grinding in process of lapping in order to prevent
Mechanism is integrally attached on fixture, thus to fix valve plate 2.In order to which fixed mechanism to be integrally attached on fixture, such as Fig. 1 institute
Show, fixed mechanism further includes the end cap 11 for being fixed on entire fixed mechanism in outer clamp, and end cap 11 is set in centering
On axis 5.End cap 11 is located at the top of outer cylinder 3.End cap 11 is with the clamping part 111 clamped for outer clamp and is located at clamping part
The flange portion 112 of 111 close outer cylinder 3.Flange portion 112 is fixedly connected with outer cylinder 3 by fastening screw 8.Such structure, just
Entire fixed mechanism can be fixed in outer clamp by end cap 11, to secure valve plate 2.
In order to facilitate the dismounting of valve plate 2, in the present embodiment, as shown in figure 3, be provided with cable hole on outer cylinder 3, for magnetic
The Electric Wires & Cables that iron 4 is powered pass through cable hole and are connected on magnet 4.When Electric Wires & Cables are powered to magnet 4, magnet 4 has magnetic
Property, when Electric Wires & Cables stop powering to magnet 4, the magnetic of magnet 4 disappears, and facilitates and separates valve plate 2 from magnet 4.
It is provided in an embodiment of the present invention grinding prosthetic device use process is as follows:
Fixed device is clamped in outer clamp by end cap 11；
It is powered by Electric Wires & Cables to magnet 4, magnet 4 generates magnetism, valve plate 2 is absorbed and fixed on magnet 4, and with calmly
Position block 13 carries out valve plate 2 circumferentially positioned；
Valve seat 1 is fixed on rotating mechanism, and makes the secondary sealing area and valve seat of valve plate 2 by adjusting fine tuning structure
1 primary sealing area matches contact, can also adjust centration axis 5 to adjust abrasion friction power；
Rotating mechanism is opened, starts to grind.
In the description of the embodiment of the present invention, it is to be understood that the side of the instructions such as term "inner", "outside", "upper", "lower"
Position or positional relationship are to be based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description of the present invention and simplification of the description,
Rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, because
This is not considered as limiting the invention.
In the description of the embodiment of the present invention, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Although disclosed herein embodiment it is as above, the content only for ease of understanding the present invention and use
Embodiment is not intended to limit the invention.Technical staff in any fields of the present invention is taken off not departing from the present invention
Under the premise of the spirit and scope of dew, any modification and variation, but the present invention can be carried out in the form and details of implementation
Scope of patent protection, still should be subject to the scope of the claims as defined in the appended claims.
Claims (10)
1. a kind of grinding prosthetic device of sealing surface of safety valve, which is characterized in that including the fixed mechanism for fixing valve plate, institute
It states fixed mechanism to include outer cylinder and wear centration axis in the outer cylinder, the centration axis is by being screwed described outer
On cylinder, the end of the centration axis is connected with the magnet for adsorbing valve plate.
2. grinding prosthetic device according to claim 1, which is characterized in that the end of the centration axis passes through compressible bullet
Property component is connect with the magnet.
3. grinding prosthetic device according to claim 2, which is characterized in that the end of the centration axis is provided with towards institute
The boss of magnet direction protrusion is stated, the elastomeric element is set on the boss.
4. grinding prosthetic device according to claim 1, which is characterized in that be provided in the centration axis axially extending
Through-hole, the grinding prosthetic device further include the centering bar being threaded through in the through-hole, the centering bar towards the magnet
One end be fixedly connected with the magnet, the diameter for adjusting the centering bar in the through-hole is provided in the centration axis
To the fine tuning structure of position.
5. grinding prosthetic device according to claim 4, which is characterized in that the fine tuning structure includes being arranged described fixed
It adjustment hole in mandrel and is screwed in the adjustment hole and adjusting screw of the apical grafting on the centering bar outer wall, adjusts institute
It states and adjusts screw and adjust radial position of the centering bar in the through-hole in the depth in the adjustment hole.
6. grinding prosthetic device according to claim 4, which is characterized in that one far from the magnet of the centering bar
End is provided with limited cap.
7. grinding prosthetic device according to claim 1, which is characterized in that the fixed mechanism further includes being arranged described
Locating piece on the outer wall of outer cylinder and for positioning valve plate.
8. grinding prosthetic device according to claim 1, which is characterized in that the fixed mechanism further includes for will be described
Fixed mechanism is fixed on the end cap in outer clamp, and the end cap is set in the outside of the centration axis, and the end cap, which has, to be supplied
The clamping part of outer clamp clamping and positioned at the clamping part close to the flange portion of the outer cylinder, the flange portion with it is described
Outer cylinder is fixedly connected.
9. grinding prosthetic device according to claim 1, which is characterized in that be provided with cable hole on the outer cylinder, be used for
The Electric Wires & Cables powered to the magnet pass through the cable hole and are connected on the magnet.
10. grinding prosthetic device according to claim 1, which is characterized in that the grinding prosthetic device further includes being used for
The rotating mechanism of valve seat rotation is driven, the primary sealing area on valve plate is contacted with the secondary sealing area cooperation on valve seat, the rotation
Valve seat is driven to rotate for rotation mechanism so that secondary sealing area and primary sealing area grinding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811562333.8A CN109719589B (en) | 2018-12-20 | 2018-12-20 | Grinding and repairing device for sealing surface of safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811562333.8A CN109719589B (en) | 2018-12-20 | 2018-12-20 | Grinding and repairing device for sealing surface of safety valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109719589A true CN109719589A (en) | 2019-05-07 |
| CN109719589B CN109719589B (en) | 2021-03-09 |
Family
ID=66296983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811562333.8A Active CN109719589B (en) | 2018-12-20 | 2018-12-20 | Grinding and repairing device for sealing surface of safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109719589B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110561266A (en) * | 2019-10-09 | 2019-12-13 | 无锡威孚马山油泵油嘴有限公司 | Valve element lapping clamp |
| CN111021947A (en) * | 2019-12-02 | 2020-04-17 | 中国石油集团西部钻探工程有限公司 | Rotary impact tool |
| CN113021158A (en) * | 2019-12-09 | 2021-06-25 | 中国科学院大连化学物理研究所 | Axial floating polishing device for tail end of industrial robot |
| CN114888713A (en) * | 2022-05-20 | 2022-08-12 | 浙江合达铝业有限公司 | Diesel engine end cover gas hole seat face grinding mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113021158A (en) * | 2019-12-09 | 2021-06-25 | 中国科学院大连化学物理研究所 | Axial floating polishing device for tail end of industrial robot |
| CN113021158B (en) * | 2019-12-09 | 2022-03-08 | 中国科学院大连化学物理研究所 | Axial floating polishing device for tail end of industrial robot |
| CN114888713A (en) * | 2022-05-20 | 2022-08-12 | 浙江合达铝业有限公司 | Diesel engine end cover gas hole seat face grinding mechanism |
| CN114888713B (en) * | 2022-05-20 | 2023-09-05 | 浙江合达铝业有限公司 | Grinding mechanism for air hole seat surface of end cover of diesel engine |
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|---|---|
| CN109719589B (en) | 2021-03-09 |
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