CN207431981U - A kind of evaporator sealing surface grinding tool - Google Patents

A kind of evaporator sealing surface grinding tool Download PDF

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Publication number
CN207431981U
CN207431981U CN201721541774.0U CN201721541774U CN207431981U CN 207431981 U CN207431981 U CN 207431981U CN 201721541774 U CN201721541774 U CN 201721541774U CN 207431981 U CN207431981 U CN 207431981U
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CN
China
Prior art keywords
sealing
abrasive article
grinding tool
evaporator
handle
Prior art date
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Application number
CN201721541774.0U
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Chinese (zh)
Inventor
安海峰
王永明
孙佳超
黄沙
徐建梅
张慧
齐文畅
马中华
闫明明
韩延福
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Harbin Electric Group Qinhuangdao Heavy Equipment Co Ltd
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Harbin Electric Group Qinhuangdao Heavy Equipment Co Ltd
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Priority to CN201721541774.0U priority Critical patent/CN207431981U/en
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Abstract

The utility model discloses a kind of evaporator sealing surface grinding tools, wherein, the grinding tool includes the handle (1) being connected as one and abrasive article (2), fixation kit is provided at the edge of the abrasive article (2), the fixation kit causes abrasive article (2) to be in close contact with sealing surface (8).Evaporator sealing surface grinding tool described in the utility model, simple in structure, installation and dismounting are simple quick, easy to operate, from the limitation of sealing surface position and angle, can realize the uniform grinding to sealing surface.

Description

A kind of evaporator sealing surface grinding tool
Technical field
The utility model is related to nuclear power generating equipments to repair field, and in particular to a kind of evaporator sealing surface grinding tool.
Background technology
Evaporator is large-scale heat transmission equipment critically important in a kind of nuclear power generating system, has many manholes, hand hole in equipment Deng the various flange type interfaces higher to seal request, when sealing surface occur cut, protrusion, pit, scratch the defects of when, easily Cause equipment poorly sealed.It is reprocessed in equipment conveying, maintenance process it is possible that being ground to sealing surface, to ensure that its is close The required precision of front cover.
But since such equipment size is larger, and orientation residing for each sealing surface and angle are different, and sealing surface is ground Mill can not recycle Large-scale professional equipment to be processed, and pure hand lapping not only takes, but also overall precision is difficult to ensure that, It is often at present that design specialized frock carries out for the grinding of such sealing surface.
In existing sealing surface grinding tool patent, such as a kind of hole sealing announced in Chinese patent CN201471289U Face milling tool is positioned by internal-expansion type supporting rack, by drive component grinding assembly is driven to realize and sealing surface is carried out automatically Grinding, improves efficiency;The reactor pressure vessel sealing announced in existing Chinese patent application CN201620365639.4 The grinding for the reactor pressure vessel sealing surface announced in surface grinding and Chinese patent application CN201320076665.1 Device is then connected with vessel flange threaded hole and positioned, and grinds driving mechanism drive also through a series of huger bindiny mechanisms It grinds component and carries out automatic grinding, effect is higher.
Though above-mentioned automatic grinding device is efficient, complicated, connecting component is more, and manufacture cost is higher, and pacifies Dress, debugging process operations are inconvenient, are not suitable for the grinding of minor diameter sealing surface.If needing the negligible amounts of grinding seal surface, It is not cost-effective in cost.
Utility model content
In order to overcome the above problem, present inventor has performed sharp studies, design a kind of evaporator sealing surface grinding work Dress, the grinding tool include the handle and abrasive article that are connected as one, the edge of the abrasive article are provided with fixation kit, So that abrasive article is in close contact with sealing surface, simple in structure, manufacture is at low cost, and installation and demolishing process are convenient, from sealing surface Position and the influence of angle, application flexibility is higher, so as to complete the utility model.
Specifically, the purpose of this utility model is to provide a kind of evaporator sealing surface grinding tool, wherein, the grinding Frock includes the handle 1 being connected as one and abrasive article 2, and the edge of the abrasive article 2 is provided with fixation kit, the fixation Component causes abrasive article 2 to be in close contact with sealing surface 8, wherein,
The sealing surface 8 is the upper end face of evaporator flange-interface, and the sealing surface 8 is annular.
Advantageous effect includes possessed by the utility model:
(1) evaporator sealing surface grinding tool described in the utility model, structure and manufacturing process are simple, installation and dismounting Process is convenient, easy to operate, and manufacture is at low cost, versatile;
(2) evaporator sealing surface grinding tool described in the utility model, from factors such as sealing surface position and angles Limitation, as long as the grinding to sealing surface is realized in the space of someone's operation, operation flexibility ratio is high;
(3) evaporator sealing surface grinding tool described in the utility model, is uniformly arranged fixed group around abrasive article Part, can realize the uniform grinding to sealing surface, and grinding effect is good;
(4) evaporator sealing surface grinding tool described in the utility model, the friction between the abrasive article and sealing surface Power size is adjustable, and easy to adjust.
Description of the drawings
Fig. 1 shows the structure diagram of evaporator sealing surface grinding tool described in the utility model;
Fig. 2 shows the structure diagram of abrasive article described in the utility model.
Drawing reference numeral explanation:
1- handles;
2- abrasive articles;
3- fixing pieces;
4- elastic components;
5- baffle rings;
6- supporting sleeves;
7- threaded holes;
8- sealing surfaces.
Specific embodiment
The utility model is further described below by drawings and embodiments.Pass through these explanations, this practicality The characteristics of new and advantage will become more apparent from clearly.Wherein, although the various aspects of embodiment are shown in the drawings, But unless otherwise indicated, it is not necessary to attached drawing drawn to scale.
The utility model provides a kind of evaporator sealing surface grinding tool, as shown in Figure 1, the grinding tool includes connecting Integral handle 1 and abrasive article 2 are connected in, the edge of the abrasive article 2 is provided with fixation kit, the fixation kit to grind Mill part 2 is in close contact with sealing surface 8, wherein,
The sealing surface 8 is the upper end face of evaporator flange-interface, and the sealing surface 8 is annular.
According to a kind of preferred embodiment of the utility model, the fitting of abrasive article 2 is arranged on sealing surface 8, described Abrasive article 2 is coaxial arrangement with sealing surface 8.
In further preferred embodiment, as shown in Fig. 2, the abrasive article 2 is ring bodies, in the abrasive article 2 Middle part lower end be provided with boss, the boss is clearance fit with 8 middle part interface of sealing surface.
Wherein, the outer diameter of a circle of the boss and the interior diameter of 8 middle part interface of sealing surface match, and are clearance fit.
Preferably, the gap is 1~5mm.
In embodiment still more preferably, the height of the boss is 5~15mm so that is ground in process of lapping Part 2 is coaxial always with sealing surface 8.
Wherein, the height is in the 8 middle part interface of boss embedding sealing face of 5~15mm so that process of lapping abrasive article 2 Larger play is not had.
In embodiment still further preferably, 2 middle part of abrasive article is provided with circular through hole, is ground for mitigating Grind the weight of part 2.
Preferably, the integral thickness of the ring bodies is 15~30mm.
Wherein, the diameter of the through hole is as far as possible big under the premise of ensureing that abrasive article 2 is rigid.
According to a kind of preferred embodiment of the utility model, the annular lower surface of the abrasive article 2 connects with sealing surface 8 It touches, sand paper is provided on the annular lower surface, for grinding seal surface 8.
Wherein, the annular lower surface of the abrasive article 2 connects with boss, pastes in entire annular lower surface and completely meets the requirements Sand paper, realize the grinding to sealing surface.
In further preferred embodiment, the outside diameter of the abrasive article 2 is more than the outside diameter of sealing surface 8, The two difference in diameter is 10~20mm.
According to a kind of preferred embodiment of the utility model, tapped through hole is provided on the abrasive article 2, for Handle 1 is connected.
In further preferred embodiment, the tapped through hole is arranged on the boss of abrasive article 2.
Wherein, the tapped through hole position must avoid the position being in contact with sealing surface 8, be preferably provided on boss.
In embodiment still more preferably, the tapped through hole have it is multiple, on the boss of abrasive article 2 uniformly Distribution.
Wherein, the tapped through hole opens up the vertical thickness of slab direction in direction.
According to a kind of preferred embodiment of the utility model, as shown in Figure 1, the handle 1 includes epimere handle under Section handle, helicitic texture is provided in the outer surface of the hypomere handle, for being connected with the tapped through hole of abrasive article 2.
Wherein, the screw thread specification is M4~M36, and the overall diameter of the epimere handle and the overall diameter of hypomere handle can be with It is identical, it can not also be same.
In further preferred embodiment, the handle 1 is cylindric, and the material of the handle 1 is selected from nylon, modeling Material or metal.
In embodiment still more preferably, the handle 1 is made of nylon and/or plastics.
Wherein, in order to mitigate the weight of grinding device and ensure the safety of operation, the handle 1 preferably uses non-metallic material Material is made.
According to a kind of preferred embodiment of the utility model, the fixation kit have it is multiple, be uniformly arranged on sealing In threaded hole 7 around face 8 so that abrasive article 2 is fitted closely with sealing surface 8.
Preferably, the fixation kit has 2~4.
In further preferred embodiment, the fixation kit includes sequentially connected fixing piece 3, bullet from top to bottom Property part 4, baffle ring 5 and supporting sleeve 6, helicitic texture are provided in 3 lower part of fixing piece, the helicitic texture is matched somebody with somebody with threaded hole 7 Close connection so that fixation kit is fixed on sealing surface 8.
Preferably, the fixing piece 3 is bolt.
In embodiment still more preferably, the length of the 3 lower thread structure of fixing piece is more than the elasticity The sum of length of part 4, baffle ring 5 and supporting sleeve 6, it is preferable that the length difference is 20~40mm.
In embodiment still further preferably, the head of the fixing piece 3 is regular polygon or circle, described just more The distance of side shape opposite side or circular diameter are all higher than the outer diameter of elastic component 4.
Wherein, the length dimension on 3 head of fixing piece is 5~15mm, and the fixing piece 3 can be the standard of bolt Part can also be obtained according to actual needs processing.
According to a kind of preferred embodiment of the utility model, the elastic component 4 is sleeved on the outer wall of fixing piece 3, described Elastic component 4 and the helicitic texture of 3 lower part of fixing piece are clearance fit, it is preferable that the gap is 1~4mm.
In further preferred embodiment, the elastic component 4 is spring, is preferably cylindrical screw shape spring.
Wherein, the steel wire diameter of the spring is 1~6mm.
According to a kind of preferred embodiment of the utility model, the lower end of the elastic component 4 is connected with baffle ring 5, the gear Circle 5 is sleeved on the outer wall of fixing piece 3, for annular shape.
In further preferred embodiment, the baffle ring 5 and the helicitic texture of 3 lower part of fixing piece are matched somebody with somebody for gap It closes, the gap is 1~4mm.
In embodiment still more preferably, the lower part on the top at 5 edge of baffle ring and 2 edge of abrasive article Overlapping, the maximum radial distance of the overlapping region are at least 10mm.
Wherein, the outer diameter of the baffle ring 5 must ensure baffle ring after installation depending on distance of the abrasive article 2 apart from fixing piece 3 5 push down the edge at least 10mm of abrasive article.
Wherein, the thickness of the baffle ring is 4~20mm.
A kind of preferred embodiment according to the present invention, the baffle ring 5 is made of rigid material, in baffle ring 5 and abrasive article 2 The edge lower part of overlapping is provided with rolling member, to reduce the frictional force between baffle ring 5 and abrasive article 2.
Wherein, the frictional force between the baffle ring 5 and abrasive article 2 is force of rolling friction, is conducive to the progress of process of lapping.
In further preferred embodiment, the rolling member be ball bearing, the plate below the baffle ring 5 It is interior.
According to a kind of preferred embodiment of the utility model, the lower section of baffle ring 5 is provided with supporting sleeve 6 so that baffle ring 5 It is vertical with the axis of fixing piece 3.
Wherein, the supporting sleeve 6 plays a supportive role to baffle ring 5, and guarantee is hung down using process guide ring 5 with 3 axis of fixing piece Directly, that is, ensure that baffle ring 5 is contacted with 2 upper surface of abrasive article.
In further preferred embodiment, the supporting sleeve 6 is sleeved on the outer wall of fixing piece 3, the supporting sleeve 6 The outer diameter of internal diameter and fixing piece 3 has predetermined gap, and the gap is 1~4mm.
In embodiment still more preferably, the outer diameter of the supporting sleeve 6 and the difference of internal diameter are 4~10mm.
Wherein, the supporting sleeve 6 after installing needs that the outer diameter with abrasive article 2 is avoided to be in contact, to prevent from grinding in process of lapping Frictional force is generated between the mill edge of part 2 and supporting sleeve 6, influences the service life of device.
In embodiment still further preferably, the height of the supporting sleeve 6 and the height of abrasive article 2 identical or less than The height of abrasive article 2.
Preferably, when the height of supporting sleeve 6 is less than the height of abrasive article 2, the height difference is 0.5~2mm so that Baffle ring 5, abrasive article 2 and 8 three of sealing surface are in close contact.
Evaporator sealing surface grinding tool provided by the utility model can follow the steps below grinding:
1) handle 1 and abrasive article 2 are connected as one, and paste sand paper;
2) the above-mentioned abrasive article 2 for pasting sand paper is placed on sealing surface 8 so that abrasive article 2 and the interface of sealing surface 8 are same Axis;
3) it is solid with the threaded hole 7 on 8 periphery of sealing surface after fixing piece 3 being sequentially passed through elastic component 4, baffle ring 5 and supporting sleeve 6 Fixed connection;
Wherein, the installation number of the fixing piece 3 is 2~4, is evenly distributed on around abrasive article 2.
4) depth that 3 lower thread of fixing piece enters threaded hole 7 is adjusted so that elastic component 4 compresses, and makes abrasive article 2 four Week fits closely with sealing surface 8;
Wherein, it is identical to adjust the depth that each 3 lower thread of fixing piece enters threaded hole 7 so that 2 surrounding stress of abrasive article Uniformly, the uniform grinding to sealing surface 8 is realized.
5) abrasive article 2 is rotated by handle 1, realizes the grinding to sealing surface 8.
Evaporator sealing surface grinding tool described in the utility model, it is simple in structure, it is easy to operate, can aspect efficiently It is installed and is removed, and can realize the uniform grinding to sealing surface.
, it is necessary to explanation, the orientation of the instructions such as term " on ", " under ", " interior ", " outer " in the description of the utility model Or position relationship is based on the orientation or position relationship under utility model works state, is for only for ease of and describes this practicality newly Type must have specific orientation with the device or element for simplifying description rather than instruction or hint meaning, with specific orientation Construction and operation, therefore it is not intended that limitation to the utility model.
, it is necessary to illustrate in the description of the utility model, unless otherwise clearly defined and limited, term " installation " " connected " " connection " should broadly understood, for example, it may be fixedly connected or be detachably connected or one connection Commonly;Can be mechanical connection or electrical connection;Can be directly connected to, can also be indirectly connected with by intermediary, It can be the connection inside two elements.For the ordinary skill in the art, can above-mentioned art be understood with concrete condition Concrete meaning of the language in the utility model.
The utility model is illustrated above in association with preferred embodiment, but these embodiments are only models Example property, only play the role of illustrative.On this basis, a variety of replacements and improvement can be carried out to the utility model, these It each falls in the scope of protection of the utility model.

Claims (10)

1. a kind of evaporator sealing surface grinding tool, which is characterized in that the grinding tool include the handle (1) that is connected as one and Abrasive article (2), fixation kit is provided at the edge of the abrasive article (2), and the fixation kit causes abrasive article (2) and sealing Face (8) is in close contact, wherein,
The sealing surface (8) is the upper end face of evaporator flange-interface, and the sealing surface (8) is annular.
2. evaporator sealing surface grinding tool according to claim 1, which is characterized in that the abrasive article (2) is ring-type Body, fitting are arranged on sealing surface (8), and the abrasive article (2) is coaxial arrangement with sealing surface (8).
3. evaporator sealing surface grinding tool according to claim 2, which is characterized in that in the abrasive article (2) Subordinate end is provided with boss,
The middle part interface of the boss and sealing surface (8) is clearance fit so that abrasive article (2) and sealing surface in process of lapping (8) it is coaxial always.
4. the evaporator sealing surface grinding tool according to Claims 2 or 3, which is characterized in that the ring of the abrasive article (2) Shape lower surface is contacted with sealing surface (8), is provided with sand paper on the annular lower surface, is realized the grinding to sealing surface (8).
5. evaporator sealing surface grinding tool according to claim 1, which is characterized in that set on the abrasive article (2) The tapped through hole being connected with handle (1) is equipped with, the tapped through hole is arranged on the boss in the middle part of abrasive article (2).
6. evaporator sealing surface grinding tool according to claim 5, which is characterized in that the handle (1) includes epimere Handle and hypomere handle,
The hypomere handle is connected by the helicitic texture set in outer surface with the tapped through hole of abrasive article (2).
7. evaporator sealing surface grinding tool according to claim 1, which is characterized in that the fixation kit has more It is a, it is uniformly arranged in the threaded hole (7) around sealing surface (8) so that abrasive article (2) is fitted closely with sealing surface (8).
8. evaporator sealing surface grinding tool according to claim 7, which is characterized in that the fixation kit is included by upper Sequentially connected fixing piece (3), elastic component (4), baffle ring (5) and supporting sleeve (6) are arrived down, wherein,
Helicitic texture is provided in the lower part of the fixing piece (3), the helicitic texture is connected with threaded hole (7),
The elastic component (4), baffle ring (5), supporting sleeve (6) and the helicitic texture of fixing piece (3) lower part are clearance fit.
9. evaporator sealing surface grinding tool according to claim 8, which is characterized in that under baffle ring (5) edge Portion is Chong Die with the top at abrasive article (2) edge so that and abrasive article (2) is in close contact with sealing surface (8),
The maximum radial distance of the overlapping region is at least 10mm.
10. evaporator sealing surface grinding tool according to claim 8, which is characterized in that the height of the supporting sleeve (6) With the height of the height of abrasive article (2) identical or less than abrasive article (2) so that process of lapping guide ring (5), abrasive article (2) and Sealing surface (8) three is in close contact.
CN201721541774.0U 2017-11-17 2017-11-17 A kind of evaporator sealing surface grinding tool Active CN207431981U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721541774.0U CN207431981U (en) 2017-11-17 2017-11-17 A kind of evaporator sealing surface grinding tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721541774.0U CN207431981U (en) 2017-11-17 2017-11-17 A kind of evaporator sealing surface grinding tool

Publications (1)

Publication Number Publication Date
CN207431981U true CN207431981U (en) 2018-06-01

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Cited By (2)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
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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