CN203599104U - Device for removing PE ball valve welding surface oxide layer - Google Patents
Device for removing PE ball valve welding surface oxide layer Download PDFInfo
- Publication number
- CN203599104U CN203599104U CN201320736559.1U CN201320736559U CN203599104U CN 203599104 U CN203599104 U CN 203599104U CN 201320736559 U CN201320736559 U CN 201320736559U CN 203599104 U CN203599104 U CN 203599104U
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- Prior art keywords
- cutter hub
- handle
- knife
- backstay
- described cutter
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- Expired - Lifetime
Links
- 238000003466 welding Methods 0.000 title abstract description 7
- 239000002737 fuel gas Substances 0.000 abstract 1
- 239000004698 Polyethylene Substances 0.000 description 21
- 229920000573 polyethylene Polymers 0.000 description 21
- 238000009792 diffusion process Methods 0.000 description 9
- 239000007789 gas Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
Images
Abstract
The utility model discloses a device for removing a PE ball valve welding surface oxide layer, and belongs to the field of fuel gas conveying. The device comprises a knife handle, a handle, a knife body, a shaft sleeve, a blade, a screw, a positioning rod, a taper-lock and a nut. The knife handle is in threaded connection with the knife body, the handle is installed on the knife handle, the shaft sleeve is embedded into the knife body, the blade is installed on the knife body through the screw, one end of the positioning rod penetrates through the shaft sleeve and extends into the knife handle, the positioning rod is matched with the shaft sleeve, the positioning rod can move up and down and rotate in the circumferential direction in the shaft sleeve, the other end of the positioning rod penetrates through the knife body and extends out relative to the knife body, and the taper-lock is fixed at the other end of the positioning rod through the nut. The device can be driven electrically and manually to operate, and has the advantages that the thickness of the removed welding surface oxide layer is even, quality is good, labor intensity is reduced and labor efficiency is improved.
Description
Technical field
The utility model relates to combustion gas transportation art, particularly a kind of device of removing PE ball valve face of weld oxide layer.
Background technology
Enter 21st century, polyethylene (PE) pipeline, owing to having the advantage of more performance advantage and price than the pipeline of other materials, is applied widely at gas industry.And PE ball valve is as indispensable pipe control element in PE pipeline, is more and more used and paid attention to.
Existing PE ball valve diffusion mouth and exhaust stack are by together with electric melting sleeve electric fusion welding, before welding, need scrape off face of weld oxide layer, adopt at present hand scaler to scrape off face of weld oxide layer.
Owing to being hand scraping, exist the surface oxide layer scraping off in uneven thickness, affect the problem of welding quality.In addition, it is large that hand scaler is scraped oxide layer labour intensity, and efficiency is low.
Utility model content
Adopt hand scaler to scrape off face of weld oxide layer in order to solve prior art, the surface oxide layer that existence scrapes off is in uneven thickness, affect the problem of welding quality, and hand scaler to scrape oxide layer labour intensity large, inefficient problem, the utility model embodiment provides a kind of device of the PE of removing ball valve face of weld oxide layer.Described technical scheme is as follows:
A kind of device of removing PE ball valve face of weld oxide layer, described device comprises handle of a knife, handle, cutter hub, axle sleeve, blade, screw, backstay, expansion set and nut, described handle of a knife is threaded with described cutter hub, described handle is arranged on described handle of a knife, described axle sleeve is embedded in described cutter hub inside, described blade is arranged on described cutter hub by described screw, described backstay one end is through described axle sleeve and stretch into described handle of a knife inside, described backstay and described axle sleeve match, described backstay can move up and down in described axle sleeve and circumferencial direction rotates, the described backstay other end is through described cutter hub and it stretches out relatively, described expansion set is fixed on the described backstay other end by described nut.
Particularly, described handle of a knife external shaft is to also forming in turn handle of a knife top, handle of a knife middle part and three sections of handle of a knife bottoms cylinder with two stage steps, described handle of a knife top, described handle of a knife middle part and the cylindrical diameter in three sections of described handle of a knife bottoms become large successively, described handle of a knife middle part and described handle of a knife lower interior portion are provided with ladder hole, described ladder hole comprises handle of a knife upper circular hole and handle of a knife bottom circular port, described handle of a knife bottom circular port is provided with handle of a knife axial thread, and described handle of a knife bottom is radially provided with handle of a knife left radial screw thread and handle of a knife right radial screw thread.
Particularly, described handle is two, and each described handle includes handle elongated cylinder end and handle male end, and described two handle male end are connected respectively to described handle of a knife left radial screw thread place and described handle of a knife right radial screw thread place.
Particularly, described cutter hub external shaft is to one-level step, and described cutter hub outside comprises cutter hub lower cylindrical body and cutter hub upper external thread,
Described cutter hub lower cylindrical body lower surface is axially arranged with the cutter hub inclined groove being interlinked to the outside in, described cutter hub inclined groove comprises cutter hub inclined groove downside and cutter hub inclined groove upper side, described cutter hub inclined groove downside and described cutter hub inclined groove upper side are parallel to each other, outside, described cutter hub lower cylindrical body lower surface is axially arranged with the L shaped groove of cutter hub, the L shaped groove of described cutter hub comprises the L shaped groove of cutter hub side, the L shaped groove of described cutter hub side is provided with on the L shaped groove of cutter hub internal thread under internal thread and the L shaped groove of cutter hub vertically, on the L shaped groove of described cutter hub, under internal thread direction and the L shaped groove of described cutter hub, internal thread direction is all pointed to circumference, on the L shaped groove of described cutter hub, under internal thread and the L shaped groove of described cutter hub, internal thread all communicates with described cutter hub inclined groove upper side,
Described cutter hub inside comprises cutter hub lower through-hole and cutter hub top through hole, and described cutter hub lower through-hole diameter is greater than described cutter hub top through-hole diameter, and described cutter hub top through-hole wall is being inlayed described axle sleeve.
Particularly, described cutter hub lower cylindrical body lower surface is axially arranged with cutter hub parallel groove, described cutter hub parallel groove comprises cutter hub parallel groove left surface and cutter hub parallel groove right flank, described cutter hub parallel groove left surface and described cutter hub parallel groove right flank are parallel to each other, and described cutter hub parallel groove direction is parallel with described cutter hub axis direction.
Particularly, described cutter hub inclined groove direction and an angle of described cutter hub axis direction inclination.
Particularly, described blade is cuboid, described blade is placed on described in described cutter hub lower cylindrical body lower surface in cutter hub inclined groove, and described blade protrudes into endoporus edges and corners, described cutter hub lower cylindrical body lower surface and is provided with edges and corners cutting edge and edges and corners, blade bottom cutting edge inside blade.
Particularly, described screw is connected on the L shaped groove of described cutter hub of the L shaped groove of described cutter hub side internal thread place under internal thread and the L shaped groove of described cutter hub, by the fixing described blade of described screw.
Particularly, described backstay comprises backstay bottom, backstay middle part and the backstay top of concentric, and described backstay bottom is Rotary-table, and described Rotary-table lower diameter is large, described backstay middle part is one section of external screw thread, and described backstay top is cylindrical bar.
Particularly, described expansion set is inner is the through hole with tapering, and the tapering size of described through hole is identical with outside the Rotary-table of described backstay bottom, and described expansion set outside is cylinder, and described expansion set is provided be interlinked to the outside in expansion set breach and the expansion set breach that communicates up and down vertically.
The beneficial effect that the technical scheme that the utility model embodiment provides is brought is:
Compared to existing technology, the device of removing PE ball valve face of weld oxide layer described in the utility model, by said structure, can also be used manual operation with electric drive operation, there is the face of weld of removing oxidated layer thickness even, quality is good, reduces labour intensity, the advantage such as raise labour efficiency.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the device front view of removing PE ball valve face of weld oxide layer described in the utility model embodiment;
Fig. 2 is the upward view of Fig. 1;
Fig. 3 is the A-A cutaway view in Fig. 2;
Fig. 4 is handle of a knife longitudinal sectional view described in the present embodiment;
Fig. 5 is cutter hub front view described in the present embodiment;
Fig. 6 is the upward view of Fig. 5;
Fig. 7 is that P in Fig. 6 is to view;
Fig. 8 is the front view of backstay described in the present embodiment;
Fig. 9 is the front view of expansion set described in the present embodiment;
Figure 10 is the B-B cutaway view in Fig. 9
Figure 11 be in Fig. 3 W to view.
In accompanying drawing, the component list of each label representative is as follows:
1 handle of a knife, 1.1 handle of a knife tops, 1.2 handle of a knife middle parts, 1.3 handle of a knife bottoms, 1.4 handle of a knife upper circular holes, 1.5 handle of a knife bottom circular ports, 1.6 handle of a knife axial threads, 1.8 handle of a knife left radial screw threads, 1.7 handle of a knife right radial screw threads;
2 handles, 2.1 handle elongated cylinder ends; 2.2 handle male end;
3 cutter hubs, 3.1 cutter hub lower cylindrical bodies, 3.2 cutter hub upper external thread, 3.3 cutter hub lower through-hole, 3.4 cutter hub top through holes, 3.5 cutter hub parallel grooves, 3.5.1 cutter hub parallel groove left surface, 3.5.2 cutter hub parallel groove right flank, 3.5.3 cutter hub parallel groove direction, 3.6 cutter hub inclined grooves, 3.6.1 cutter hub inclined groove downside, 3.6.2 cutter hub inclined groove upper side, 3.6.3 cutter hub inclined groove direction, 3.7 cutter hub axis directions, 3.8 the L shaped groove of cutter hub, 3.8.1 the L shaped groove of cutter hub side, 3.8.2 internal thread on the L shaped groove of cutter hub, 3.8.3 internal thread under the L shaped groove of cutter hub, 3.8.4 interior on the L shaped groove of cutter hub and lower internal thread direction,
4 axle sleeves;
Edges and corners cutting edge, 5.2 edges and corners, blade bottom cutting edges inside 5 blades, 5.1 blades;
6 screws;
7 backstays, 7.1 backstay bottoms, 7.2 backstay middle parts, 7.3 backstay tops;
Breach, the 8.4 expansion sets breach that communicates is up and down interlinked to the outside in 8 expansion sets, 8.1 expansion set inside, 8.2 expansion set outsides, 8.3 expansion sets;
9 nuts.
The specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.
As shown in Fig. 1-11, the utility model embodiment provides a kind of device of the PE of removing ball valve face of weld oxide layer, the present embodiment is with Fig. 1, Fig. 2 and Fig. 3 are main being illustrated, described device comprises handle of a knife 1, handle 2, cutter hub 3, axle sleeve 4, blade 5, screw 6, backstay 7, expansion set 8 and nut 9, described handle of a knife 1 is threaded with described cutter hub 3, described handle 2 is arranged on described handle of a knife 1, described axle sleeve 4 is embedded in described cutter hub 3 inside, described blade 5 is arranged on described cutter hub 3 by described screw 6, described backstay 7 one end are through described axle sleeve 4 and stretch into described handle of a knife 1 inside, described backstay 7 matches with described axle sleeve 4, described backstay 7 can move up and down in described axle sleeve 4 and circumferencial direction rotates, described backstay 7 other ends are through described cutter hub 3 and it stretches out relatively, described expansion set 8 is fixed on described backstay 7 other ends by described nut 9.
When operation, expansion set 8 external diameters are inserted into PE ball valve diffusion mouth endoporus place (not drawing in figure) and endoporus radial fit location, prevent from removing PE ball valve diffusion mouth place face of weld oxide layer device and move radially.
The device of removing PE ball valve face of weld oxide layer described in the utility model, by said structure, has the face of weld of removing oxidated layer thickness even, and quality is good, reduces labour intensity, the advantage such as raise labour efficiency.
Particularly, as shown in Figure 4, described handle of a knife 1 external shaft is to also forming in turn handle of a knife top 1.1 with two stage steps, handle of a knife middle part 1.2 and 1.3 3 sections of handle of a knife bottoms cylinder, described handle of a knife top 1.1, described handle of a knife middle part 1.2 and the cylindrical diameter in 1.3 3 sections of described handle of a knife bottoms become large successively, described handle of a knife middle part 1.2 and 1.3 inside, described handle of a knife bottom are provided with ladder hole, described ladder hole comprises handle of a knife upper circular hole 1.4 and handle of a knife bottom circular port 1.5, described handle of a knife bottom circular port 1.5 is provided with handle of a knife axial thread 1.6, described handle of a knife bottom 1.3 is radially provided with handle of a knife left radial screw thread 1.8 and handle of a knife right radial screw thread 1.7.
Particularly, as shown in Figure 1, described handle 2 is two, each described handle 2 includes handle elongated cylinder end 2.1 and handle male end 2.2, and described two described handle male end 2.2 are connected respectively to described handle of a knife left radial screw thread 1.8(referring to Fig. 4) locate and described handle of a knife right radial screw thread 1.7(referring to Fig. 4) locate.
Particularly, as shown in Fig. 5, Fig. 6 and Fig. 7, described cutter hub 3 external shafts are to one-level step, and described cutter hub 3 outsides comprise cutter hub lower cylindrical body 3.1 and cutter hub upper external thread 3.2,
Described cutter hub lower cylindrical body 3.1 lower surfaces are axially arranged with the cutter hub inclined groove 3.6 being interlinked to the outside in, described cutter hub inclined groove 3.6 comprises cutter hub inclined groove downside 3.6.1 and cutter hub inclined groove upper side 3.6.2, described cutter hub inclined groove downside 3.6.1 and described cutter hub inclined groove upper side 3.6.2 are parallel to each other, described cutter hub lower cylindrical body 3.1 outsides, lower surface are axially arranged with the L shaped groove 3.8 of cutter hub, the L shaped groove 3.8 of described cutter hub comprises the L shaped groove of cutter hub side 3.8.1, the L shaped groove of described cutter hub side 3.8.1 is provided with on the L shaped groove of cutter hub internal thread 3.8.3 under internal thread 3.8.2 and the L shaped groove of cutter hub vertically, on the L shaped groove of described cutter hub, under internal thread direction and the L shaped groove of described cutter hub, internal thread direction (being interior on the L shaped groove of cutter hub and lower internal thread direction 3.8.4) is all pointed to circumference, on the L shaped groove of described cutter hub, under internal thread 3.8.2 and the L shaped groove of described cutter hub, internal thread 3.8.3 all communicates with described cutter hub inclined groove upper side 3.6.2,
Described cutter hub 3 inside comprise cutter hub lower through-hole 3.3 and cutter hub top through hole 3.4, and described cutter hub lower through-hole 3.3 diameters are greater than described cutter hub top through hole 3.4 diameters, and described cutter hub top through hole 3.4 inwalls are being inlayed described axle sleeve 4.
Particularly, as shown in Fig. 5, Fig. 6 and Fig. 7, described cutter hub lower cylindrical body 3.1 lower surfaces are axially arranged with cutter hub parallel groove 3.5, described cutter hub parallel groove 3.5 comprises cutter hub parallel groove left surface 3.5.1 and cutter hub parallel groove right flank 3.5.2, described cutter hub parallel groove left surface 3.5.1 and described cutter hub parallel groove right flank 3.5.2 are parallel to each other, and cutter hub parallel groove direction 3.5.3 is parallel with described cutter hub axis direction 3.7.Material bits can be discharged to cutter hub 3 by said structure.
Particularly, as shown in Fig. 5, Fig. 6 and Fig. 7, described cutter hub inclined groove direction 3.6.3 and described cutter hub axis direction 3.7 angle that tilts;
Particularly, as shown in Figure 3, described blade 5 is cuboid, as shown in Figure 7, described blade 5 is placed on described in described cutter hub lower cylindrical body 3.1 lower surfaces in cutter hub inclined groove 3.6, and described blade 5 protrudes into described cutter hub lower cylindrical body 3.1 endoporus edges and corners, lower surface and is provided with inside blade edges and corners cutting edge 5.1(referring to Fig. 2) and blade bottom edges and corners cutting edge 5.2(referring to Figure 11).
Can remove fast PE ball valve diffusion mouth place face of weld oxide layer by said structure.
Particularly, as shown in Figure 1, described screw 6 is connected on the L shaped groove of described cutter hub of the L shaped groove of described cutter hub side 3.8.1 internal thread 3.8.2(referring to Fig. 5) and the L shaped groove of described cutter hub under internal thread 3.8.3(referring to Fig. 5) locate, by the fixing described blade 5(of described screw 6 referring to Fig. 3).
Particularly, as shown in Figure 8, described backstay 7 comprises backstay bottom 7.1, backstay middle part 7.2 and the backstay top 7.3 of concentric, described backstay bottom 7.1 is Rotary-table, described Rotary-table lower diameter is large, described backstay middle part 7.2 is one section of external screw thread, and described backstay top 7.3 is cylindrical bar;
Particularly, as shown in FIG. 9 and 10, described expansion set inner 8.1 is the through hole with tapering, the tapering size of described through hole is identical with outside 7.1 Rotary-tables of described backstay bottom, described expansion set outside 8.2 is cylinder, and described expansion set 8 is provided be interlinked to the outside in expansion set breach 8.3 and the expansion set breach 8.4 that communicates up and down vertically.
As shown in Figure 3, concrete rotating nut 9, regulate expansion set 8 at backstay bottom 7.1(referring to Fig. 8) axial location, thereby adjust expansion set 8 outside dimensions.Visible, can be according to convenient expansion set 8 outside dimensions of adjusting of PE ball valve diffusion mouth endoporus size by said structure.
Mode of operation of the present utility model has two kinds of electric drive operation and manual operations, specifically by handle of a knife top 1.1 is inserted in electric driver, realizes electric drive operation; Realize manual operation by turning handle 2.
The course of work of the utility model embodiment:
As shown in Figure 3, the backstay 7 that is connecting expansion set 8 is taken off from cutter hub 3, rotating nut 9, regulate expansion set 8 at backstay bottom 7.1(referring to Fig. 8) axial location, thereby adjust expansion set 8 outside dimensions, the interior hole dimension of itself and PE ball valve diffusion mouth is matched.
Backstay top 7.3 is inserted in the axle sleeve 4 in cutter hub 3, PE ball valve diffusion mouth endoporus place is inserted in backstay bottom 7.1, start electric driver, drive embodiment to remove PE ball valve diffusion mouth external diameter oxide skin thereby repeatedly move up and down electric driver.
In sum, on gas ductwork described in the utility model, one is removed PE ball valve diffusion mouth place face of weld oxide layer device, can also use manual operation with electric drive operation, have that the face of weld of removing oxidated layer thickness is even, quality good, reduce labour intensity, easy to operate, the advantage such as raise labour efficiency, meet the instructions for use of gas pipeline completely, be convenient to marketing.
Above-mentioned the utility model embodiment sequence number, just to describing, does not represent the quality of embodiment.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. remove the device of PE ball valve face of weld oxide layer for one kind, it is characterized in that, described device comprises handle of a knife, handle, cutter hub, axle sleeve, blade, screw, backstay, expansion set and nut, described handle of a knife is threaded with described cutter hub, described handle is arranged on described handle of a knife, described axle sleeve is embedded in described cutter hub inside, described blade is arranged on described cutter hub by described screw, described backstay one end is through described axle sleeve and stretch into described handle of a knife inside, described backstay and described axle sleeve match, described backstay can move up and down in described axle sleeve and circumferencial direction rotates, the described backstay other end is through described cutter hub and it stretches out relatively, described expansion set is fixed on the described backstay other end by described nut.
2. device according to claim 1, it is characterized in that, described handle of a knife external shaft is to also forming in turn handle of a knife top with two stage steps, handle of a knife middle part and three sections of handle of a knife bottoms cylinder, described handle of a knife top, described handle of a knife middle part and the cylindrical diameter in three sections of described handle of a knife bottoms become large successively, described handle of a knife middle part and described handle of a knife lower interior portion are provided with ladder hole, described ladder hole comprises handle of a knife upper circular hole and handle of a knife bottom circular port, described handle of a knife bottom circular port is provided with handle of a knife axial thread, described handle of a knife bottom is radially provided with handle of a knife left radial screw thread and handle of a knife right radial screw thread.
3. device according to claim 2, it is characterized in that, described handle is two, and each described handle includes handle elongated cylinder end and handle male end, and described two handle male end are connected respectively to described handle of a knife left radial screw thread place and described handle of a knife right radial screw thread place.
4. device according to claim 1, is characterized in that, described cutter hub external shaft is to one-level step, and described cutter hub outside comprises cutter hub lower cylindrical body and cutter hub upper external thread,
Described cutter hub lower cylindrical body lower surface is axially arranged with the cutter hub inclined groove being interlinked to the outside in, described cutter hub inclined groove comprises cutter hub inclined groove downside and cutter hub inclined groove upper side, described cutter hub inclined groove downside and described cutter hub inclined groove upper side are parallel to each other, outside, described cutter hub lower cylindrical body lower surface is axially arranged with the L shaped groove of cutter hub, the L shaped groove of described cutter hub comprises the L shaped groove of cutter hub side, the L shaped groove of described cutter hub side is provided with on the L shaped groove of cutter hub internal thread under internal thread and the L shaped groove of cutter hub vertically, on the L shaped groove of described cutter hub, under internal thread direction and the L shaped groove of described cutter hub, internal thread direction is all pointed to circumference, on the L shaped groove of described cutter hub, under internal thread and the L shaped groove of described cutter hub, internal thread all communicates with described cutter hub inclined groove upper side,
Described cutter hub inside comprises cutter hub lower through-hole and cutter hub top through hole, and described cutter hub lower through-hole diameter is greater than described cutter hub top through-hole diameter, and described cutter hub top through-hole wall is being inlayed described axle sleeve.
5. device according to claim 4, it is characterized in that, described cutter hub lower cylindrical body lower surface is axially arranged with cutter hub parallel groove, described cutter hub parallel groove comprises cutter hub parallel groove left surface and cutter hub parallel groove right flank, described cutter hub parallel groove left surface and described cutter hub parallel groove right flank are parallel to each other, and described cutter hub parallel groove direction is parallel with described cutter hub axis direction.
6. device according to claim 5, is characterized in that, described cutter hub inclined groove direction and an angle of described cutter hub axis direction inclination.
7. device according to claim 6, it is characterized in that, described blade is cuboid, described blade is placed on described in described cutter hub lower cylindrical body lower surface in cutter hub inclined groove, and described blade protrudes into endoporus edges and corners, described cutter hub lower cylindrical body lower surface and is provided with edges and corners cutting edge and edges and corners, blade bottom cutting edge inside blade.
8. device according to claim 7, is characterized in that, described screw is connected on the L shaped groove of described cutter hub of the L shaped groove of described cutter hub side internal thread place under internal thread and the L shaped groove of described cutter hub, by the fixing described blade of described screw.
9. according to the device described in claim 1-8 any one claim, it is characterized in that, described backstay comprises backstay bottom, backstay middle part and the backstay top of concentric, described backstay bottom is Rotary-table, described Rotary-table lower diameter is large, described backstay middle part is one section of external screw thread, and described backstay top is cylindrical bar.
10. device according to claim 9, it is characterized in that, described expansion set is inner is the through hole with tapering, the tapering size of described through hole is identical with outside the Rotary-table of described backstay bottom, described expansion set outside is cylinder, and described expansion set is provided be interlinked to the outside in expansion set breach and the expansion set breach that communicates up and down vertically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320736559.1U CN203599104U (en) | 2013-11-20 | 2013-11-20 | Device for removing PE ball valve welding surface oxide layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320736559.1U CN203599104U (en) | 2013-11-20 | 2013-11-20 | Device for removing PE ball valve welding surface oxide layer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203599104U true CN203599104U (en) | 2014-05-21 |
Family
ID=50711805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320736559.1U Expired - Lifetime CN203599104U (en) | 2013-11-20 | 2013-11-20 | Device for removing PE ball valve welding surface oxide layer |
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| Country | Link |
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| CN (1) | CN203599104U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108488779A (en) * | 2018-03-27 | 2018-09-04 | 华电电力科学研究院有限公司 | One kind being used for station boiler high-temperature heating surface oxidized skin remove device and sweep-out method |
-
2013
- 2013-11-20 CN CN201320736559.1U patent/CN203599104U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108488779A (en) * | 2018-03-27 | 2018-09-04 | 华电电力科学研究院有限公司 | One kind being used for station boiler high-temperature heating surface oxidized skin remove device and sweep-out method |
| CN108488779B (en) * | 2018-03-27 | 2023-06-09 | 华电电力科学研究院有限公司 | Device and method for removing oxide skin on high-temperature heating surface of power station boiler |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20140521 |
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