CN208147611U - High temperature and pressure non-return flap sealing surface of seat milling tool - Google Patents
High temperature and pressure non-return flap sealing surface of seat milling tool Download PDFInfo
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- CN208147611U CN208147611U CN201820756602.3U CN201820756602U CN208147611U CN 208147611 U CN208147611 U CN 208147611U CN 201820756602 U CN201820756602 U CN 201820756602U CN 208147611 U CN208147611 U CN 208147611U
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- milling tool
- bar
- grinding head
- straight
- return flap
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Abstract
The utility model discloses a kind of high temperature and pressure non-return flap sealing surface of seat milling tool, including the positioning plate cooperated with valve seat end face, through-hole is set among the positioning plate, the through-hole and drive rod cooperate, wherein one end of the drive rod is cooperated by connector sleeve and connecting rod, the connecting rod is fixedly connected with grinding head, and the grinding head side view and sealing surface of seat coincide.Milling tool can firmly be fixed with non-return flap valve seat, while quickly and effectively non-return flap sealing surface of seat can be ground by positioning plate, high-efficient effect is good.
Description
Technical field
The utility model relates to field of electrical equipment, concretely relate to a kind of high temperature and pressure non-return flap sealing surface of seat
Milling tool.
Background technique
In power plant's production, due to the particularity of production work, a large amount of high-temperature high pressure valve is needed to configure, by certain
The cycle of operation after, the sealing surface of seat of valve will receive abrasion and erosion, and then generate valve leaks, that is, the interior leakage being commonly called as,
Power plant safety is endangered, economic loss is caused, therefore, needs to carry out maintenance grinding to sealing surface of seat within the time between overhauls(TBO).And it is high
Warm high pressure non-return flap generally uses inclined type, and generally there are following problems for sealing surface grinding：(1) high temperature and pressure non-return flap is generally adopted
With camberline seal form, and the grinding head of existing grinding device, can only ground flat sealing surface, such as gate valve, shut-off valve
Sealing surface, it is therefore desirable to reconfigure grinding head；(2) high temperature and pressure non-return flap is generally diagonally disposed, while not having on flange face
The positioning systems such as the screw hole of fixed maintenance grinding device, general maintenance grinding device cannot effectively be fixed on what needs were ground
On non-return flap.
Factors above overhauls grinding work belt to non-return flap and carrys out very big difficulty, causes to grind that long in time limit, effect is poor, Bu Nengshi
Answer the technical requirements of power plant Quick overhaul.
Summary of the invention
The problem of for background technique, in order to overcome the deficiencies of the prior art, the utility model, disclose a kind of high temperature
High pressure check gate valve seat grinding tool for sealing surface can effectively improve maintenance craft quality, guarantee the inspection of high temperature and pressure non-return flap
Repair going on smoothly for work.
A kind of high temperature and pressure non-return flap sealing surface of seat milling tool, including the positioning cooperated with non-return flap valve seat end face
Through-hole is arranged in plate, the positioning plate centre, and the through-hole and drive rod cooperate, and wherein one end of the drive rod passes through connector sleeve
Cooperate with connecting rod, the connecting rod is fixedly connected with grinding head, the grinding head side view and non-return flap sealing surface of seat
It coincide；
Preferably, the through-bore axis of the positioning plate and grinding head axis coaxle are arranged；
Preferably, the drive rod is T-bar, including first straight-bar fixed with connector sleeve and vertical with the first straight-bar is pacified
Second straight-bar of dress；
Preferably, the end of first straight-bar is outer tetragonal；
Preferably, cubic groove in one end setting of the connector sleeve and the cooperation of the first straight-bar；
Preferably, interior six side's grooves are arranged far from one end of the first straight-bar in the connector sleeve；
Preferably, the connecting rod is studs；
Preferably, through-hole of the connecting rod among grinding head, in the first plane of grinding head and the second plane point
It is not fastened with nut；
Preferably, the interior six sides groove of the connector sleeve cooperates with the nut for being located at the first plane；
Preferably, abrasive sand is pasted in the grinding head side.
Beneficial effect acquired by the utility model is：
(1) the utility model is easy to use, can firmly fix milling tool with non-return flap valve seat by positioning plate,
Quickly and effectively non-return flap sealing surface of seat can be ground simultaneously, high-efficient effect is good.
(2) the utility model realizes drive rod and connecting rod by the interior cubic groove at connector sleeve both ends and interior six sides groove
The cooperation of top nut, is convenient for changing grinding head；
(3) grinding head and connector sleeve cooperate, and the through-hole and drive rod of positioning plate cooperate, can be according to the non-return flap of different model
Valve seat selects corresponding positioning plate and grinding head, and the scope of application is wider, increases milling tool versatility.
(4) it is used cooperatively between each component, each component of grinding device is effectively avoided to be fallen into non-return flap valve seat in
Or in pipeline.
(5) the utility model carries out the design of milling tool shape according to the structure of non-return flap valve seat, rationally distributed, securely
Reliably, it is simple to manufacture.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is this
Some embodiments of utility model, for those of ordinary skill in the art, without creative efforts, also
Other drawings may be obtained according to these drawings without any creative labor.
Fig. 1 is the utility model section schematic diagram；
Fig. 2 is the utility model stereoscopic schematic diagram；
In figure, 1- drive rod, 2- positioning plate, 3- grinding head, 4- connector sleeve, 5- connecting rod, 6- non-return flap sealing surface of seat,
7- non-return flap valve seat.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
A kind of high temperature and pressure non-return flap sealing surface of seat milling tool as shown in Figs. 1-2, positioning plate 2 and non-return flap valve seat
7 upper surface cooperation, drive rod 1 are located at outside non-return flap valve seat by through-hole a part among positioning plate 2, and a part is located at
Inside non-return flap valve seat.Drive rod 1 is preferably T-bar, including orthogonal first straight-bar and the second straight-bar, the second straight-bar position
Outside non-return flap valve seat, the end of the first straight-bar is outer tetragonal, is cooperated with the interior cubic groove of connector sleeve 4.Connector sleeve 4
Interior six side's grooves are arranged in one end far from the first straight-bar, and interior six sides groove cooperates with the nut for being located at 3 first plane of grinding head, even
Extension bar 5 is studs shape structure, runs through grinding head 3, abrasive sand is pasted in the side of grinding head 3, for close to non-return flap valve seat
The grinding of cover 6.It is fastened respectively with nut in the first plane of grinding head 3 and the second plane, 3 side view of grinding head and check
Door sealing surface of seat 6 coincide；To guarantee that all abradant surface precision of non-return flap sealing surface of seat 6 and size are identical, positioning plate 2 leads to
Axially bored line must be arranged with the axis coaxle of grinding head 3.
First straight-bar of T-bar and the second straight-bar connection type are preferably welded, can also be used threaded connection or riveting or
Bonding；The tetragonal of first straight-bar is preferably dimensioned to be 17 × 17mm.
The device specific work process is as follows：Hand-held second straight-bar passes through the second straight-bar of rotation and presses the second straight-bar, will
Driving force is transmitted to the side of grinding head 3, grinds to non-return flap sealing surface of seat 6.The connecting rod 5 and nut of studs
After fastening, the anti-avulsion by way of twisting riveting or spot welding；Hand-held hole is arranged in positioning plate 2 and grinding head 3.
It is above-mentioned although specific embodiments of the present invention are described with reference to the accompanying drawings, but it is not practical new to this
The limitation of type protection scope, those skilled in the art should understand that, based on the technical solutions of the present invention, this field skill
Art personnel do not need to make the creative labor the various modifications or changes that can be made still the protection scope of the utility model with
It is interior.
Claims (10)
1. a kind of high temperature and pressure non-return flap sealing surface of seat milling tool, which is characterized in that including matching with non-return flap valve seat end face
Through-hole is arranged in the positioning plate of conjunction, the positioning plate centre, and the through-hole and drive rod cooperate, and wherein one end of the drive rod is logical
It crosses connector sleeve and connecting rod cooperates, the connecting rod is fixedly connected with grinding head, the grinding head side view and check gate valve
Seat sealing surface coincide.
2. milling tool as described in claim 1, which is characterized in that the through-bore axis of the positioning plate and grinding head axis are same
Axis setting.
3. milling tool as claimed in claim 2, which is characterized in that the drive rod is T-bar, including is fixed with connector sleeve
The first straight-bar and with vertically arranged second straight-bar of the first straight-bar.
4. milling tool as claimed in claim 3, which is characterized in that the end of first straight-bar is outer tetragonal.
5. milling tool as claimed in claim 4, which is characterized in that one end of the connector sleeve and the cooperation of the first straight-bar is arranged
Interior four directions groove.
6. milling tool as claimed in claim 4, which is characterized in that the connector sleeve is far from one end setting of the first straight-bar
Six side's grooves.
7. such as milling tool described in claim 5 or 6, which is characterized in that the connecting rod is studs.
8. milling tool as claimed in claim 7, which is characterized in that through-hole of the connecting rod among grinding head,
The first plane and the second plane of grinding head are fastened with nut respectively.
9. milling tool as claimed in claim 8, which is characterized in that the interior six sides groove of the connector sleeve be located at it is first flat
The nut in face cooperates.
10. milling tool as described in claim 1, which is characterized in that paste abrasive sand in the grinding head side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820756602.3U CN208147611U (en) | 2018-05-21 | 2018-05-21 | High temperature and pressure non-return flap sealing surface of seat milling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820756602.3U CN208147611U (en) | 2018-05-21 | 2018-05-21 | High temperature and pressure non-return flap sealing surface of seat milling tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208147611U true CN208147611U (en) | 2018-11-27 |
Family
ID=64388109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820756602.3U Active CN208147611U (en) | 2018-05-21 | 2018-05-21 | High temperature and pressure non-return flap sealing surface of seat milling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208147611U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109623606A (en) * | 2018-12-05 | 2019-04-16 | 中核北方核燃料元件有限公司 | A kind of 3.5L autoclave stainless steel circular rope seal face prosthetic device and method |
| CN109623607A (en) * | 2018-12-05 | 2019-04-16 | 中核北方核燃料元件有限公司 | A kind of 5L autoclave stainless steel circular rope seal face prosthetic device and method |
-
2018
- 2018-05-21 CN CN201820756602.3U patent/CN208147611U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109623606A (en) * | 2018-12-05 | 2019-04-16 | 中核北方核燃料元件有限公司 | A kind of 3.5L autoclave stainless steel circular rope seal face prosthetic device and method |
| CN109623607A (en) * | 2018-12-05 | 2019-04-16 | 中核北方核燃料元件有限公司 | A kind of 5L autoclave stainless steel circular rope seal face prosthetic device and method |
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