CN114367778A - Positioning and maintaining device and method for water-cooling heat dissipation screen - Google Patents
Positioning and maintaining device and method for water-cooling heat dissipation screen Download PDFInfo
- Publication number
- CN114367778A CN114367778A CN202111682360.0A CN202111682360A CN114367778A CN 114367778 A CN114367778 A CN 114367778A CN 202111682360 A CN202111682360 A CN 202111682360A CN 114367778 A CN114367778 A CN 114367778A
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- Prior art keywords
- water
- heat dissipation
- cooling heat
- pipeline
- dissipation screen
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 93
- 238000001816 cooling Methods 0.000 title claims abstract description 84
- 238000000034 method Methods 0.000 title claims description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000013078 crystal Substances 0.000 claims description 10
- 238000012423 maintenance Methods 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000011435 rock Substances 0.000 description 3
- 241000220317 Rosa Species 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0461—Welding tables
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention provides a water-cooling heat dissipation screen positioning and maintaining device, which comprises: the positioning support frame comprises a first support column and a second support column, and the top ends of the first support column and the second support column are fixedly connected through a cross rod; the base is fixedly connected with the bottom ends of the first supporting column and the second supporting column respectively, and the base and the positioning supporting frame form a frame; and the pipeline fixing parts are symmetrically arranged on the first supporting column and the second supporting column respectively. According to the positioning and maintaining device for the water-cooling heat dissipation screen, the water path pipeline of the water-cooling heat dissipation screen is fixed to the support column, so that the stability of the water-cooling heat dissipation screen during descending can be effectively guaranteed, meanwhile, the base arranged below the water-cooling heat dissipation screen and the guide cylinder can stably support the water-cooling heat dissipation screen and the guide cylinder, the water-cooling heat dissipation screen and the guide cylinder are effectively protected, and the construction safety is improved.
Description
Technical Field
The invention relates to the technical field of silicon wafer production, in particular to a heat dissipation screen positioning and maintaining device and method.
Background
The situation of upgrading and reconstructing a thermal field can be met in the production of monocrystalline silicon. In the process of upgrading and transforming the thermal field, the water-cooling heat dissipation screen needs to be positioned and maintained, the water-cooling heat dissipation screen and the guide cylinder below the water-cooling heat dissipation screen need to be taken out of the single crystal furnace for maintenance, and in the maintenance process, as the guide cylinder needs to be frequently lifted, the falling accident is easy to happen, and the production efficiency is seriously reduced.
Disclosure of Invention
In view of this, the invention provides a positioning and maintaining device and method for a water-cooling heat dissipation screen, which are used for solving the problems that a waterway pipeline is long and a guide cylinder is inclined in the lifting process.
In order to solve the technical problems, the invention adopts the following technical scheme:
according to the embodiment of the invention, the positioning and maintaining device for the water-cooling heat dissipation screen comprises:
the positioning support frame comprises a first support column and a second support column, and the top ends of the first support column and the second support column are fixedly connected through a cross rod;
the base is fixedly connected with the bottom ends of the first supporting column and the second supporting column respectively, and the base and the positioning supporting frame form a frame;
at least a set of pipeline mounting, every group pipeline mounting is including the pipeline mounting of symmetry setting on first support column and second support column.
In one embodiment of the invention, the first support column and the second support column are perpendicular to the base.
In an embodiment of the present invention, the positioning and maintaining device for the water-cooling heat dissipation screen further includes:
one end of the first parking platform is fixedly connected with the first supporting column, the other end of the first parking platform is a free end, and the first parking platform is arranged below the pipeline fixing piece on the first supporting column;
the second parking platform, the one end and the second support column fixed connection of second parking platform, the other end are the free end, and the second parking platform sets up in the below of the pipeline mounting of being connected with the second support column, and the second parking platform sets up with first parking platform symmetry.
In an embodiment of the present invention, the positioning and maintaining device for the water-cooling heat dissipation screen further includes:
the first fixing rod is obliquely arranged between the cross rod and the first support column, one end of the first fixing rod is fixedly connected with the cross rod, and the other end of the first fixing rod is fixedly connected with the first support column;
and the second fixing rod is obliquely arranged between the cross rod and the second supporting column, one end of the second fixing rod is fixedly connected with the cross rod, and the other end of the second fixing rod is fixedly connected with the second supporting column.
In one embodiment of the invention, the pipe fixing is a fixed clamp.
The invention also provides a positioning and maintaining method of the water-cooling heat dissipation screen, wherein waterway pipelines are symmetrically arranged on two sides of the water-cooling heat dissipation screen, and the method is applied to the positioning and maintaining device of the water-cooling heat dissipation screen in any embodiment, and comprises the following steps:
taking the water-cooling heat dissipation screen and the guide cylinder out of the single crystal furnace;
separating the water-cooling heat dissipation screen from the guide cylinder and then placing the water-cooling heat dissipation screen on the base;
fastening waterway pipelines symmetrically arranged at two sides of the water-cooling heat dissipation screen on the first support column and the second support column respectively by using pipeline fixing pieces;
maintaining a waterway pipeline of the water-cooling heat dissipation screen;
after the water channel pipeline of the water-cooling heat dissipation screen is maintained, the guide cylinder is hung on the water-cooling heat dissipation screen and is placed into the single crystal furnace.
In one embodiment of the present invention, placing a water-cooled heat-dissipating screen on a base includes:
and respectively placing the bent parts of the water channel pipelines on the two sides of the water-cooling heat dissipation screen on the first parking platform and the second parking platform.
In one embodiment of the invention, the maintenance of the waterway pipeline of the water-cooling heat dissipation screen comprises the following steps:
when the length of the waterway pipeline needs to be increased, the middle part of the waterway pipeline is cut;
a section of waterway pipeline is added at the middle part of the cutting;
and welding the joint of the middle part and the added section of the water pipeline.
In one embodiment of the invention, the maintenance of the waterway pipeline of the water-cooling heat dissipation screen comprises the following steps:
when the length of the waterway pipeline needs to be reduced, the waterway pipeline is cut off from the middle section;
and after intercepting the water channel pipeline with the required length, splicing and welding the water channel pipeline.
The technical scheme of the invention at least has one of the following beneficial effects:
1. according to the positioning and maintaining device and method for the water-cooling heat dissipation screen, the waterway pipeline of the water-cooling heat dissipation screen is fixed to the support column, so that the waterway pipeline is kept stable in the moving process, the guide cylinder is prevented from shaking and falling, and the construction safety is effectively improved;
2. according to the positioning and maintaining device and method for the water-cooling heat dissipation screen, the base is arranged below the water-cooling heat dissipation screen and the guide cylinder, the guide cylinder can be stably supported, and safety is further improved.
Drawings
Fig. 1 is a schematic structural diagram of a positioning and maintaining device for a water-cooling heat dissipation screen according to an embodiment of the present invention;
fig. 2 is a flowchart of a positioning and maintaining method for a water-cooling heat dissipation screen according to an embodiment of the present invention.
Reference numerals: 110. a first support column; 111. a first parking platform; 112. a first fixing lever; 120. a second support column; 121. a second parking platform; 122. a second fixing bar; 130. a cross bar; 140. a pipe fixing member; 200. a base; 300. a water-cooling heat dissipation screen; 310. a waterway pipeline.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention, are within the scope of the invention.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships are changed accordingly.
In the single crystal furnace, the guide cylinder is hung on a water channel pipeline of the water-cooling heat dissipation screen and can lift along with the water-cooling heat dissipation screen. In current water-cooling heat dissipation maintenance process, need together take out from single crystal growing furnace with water-cooling heat dissipation screen together with the draft tube, the water route pipeline of connecting on the water-cooling heat dissipation screen need follow water-cooling heat dissipation screen and together increase or reduce the operation of height in order to truncate it or increase length, because the water route pipeline is longer and the draft tube quality of connecting below the water-cooling heat dissipation screen is heavier, can not guarantee the straightness that hangs down, when water route pipeline rises along with water-cooling heat dissipation screen together or descends, water route pipeline can take place to rock and lead to great deviation, the draft tube of water route pipeline below takes place to incline, lead to dropping the cause accident because of the atress inequality in the lift process.
Based on the above, the embodiment of the invention provides a water-cooling heat dissipation screen positioning and maintaining device and a maintaining method based on the water-cooling heat dissipation screen positioning and maintaining device.
First, a positioning and maintaining device and a positioning and maintaining method for a water-cooling heat dissipation screen according to an embodiment of the invention are described in detail with reference to the accompanying drawings.
Referring to fig. 1, the present invention provides a positioning and maintaining device for a water-cooling heat dissipation panel, comprising: a positioning support frame, a base 200 and a plurality of pipe fixing pieces 140. The positioning support frame comprises a first support column 110 and a second support column 120, and the top ends of the first support column 110 and the second support column 120 are fixedly connected through a cross rod 130; the base 200 is fixedly connected with the bottom ends of the first supporting column 110 and the second supporting column 120 respectively, and the base 200 and the positioning support frame form a frame; the plurality of pipe fixing members 140 are symmetrically disposed on the first support column 110 and the second support column 120, respectively. Specifically, when the waterway pipeline 310 connected to the water-cooling heat dissipation panel 300 is maintained, cut or lengthened by the device, the water-cooling heat dissipation panel 300 together with the draft tube is taken out of the single crystal furnace and placed above the positioning support frame, and then is lowered onto the base 200, at this time, the waterway pipeline 310 connected to the water-cooling heat dissipation panel 300 can be attached to or parallel to the first support column 110 and the second support column 120 for fixation, for example, the waterway pipeline 310 can be fixed to the first support column 110 and the second support column 120 by a pipeline fixing frame, so that the waterway pipeline 310 can be firmly attached to the first support column 110 and the second support column 120, and thus, the perpendicularity of the waterway pipeline can be ensured. From this, when water-cooling heat dissipation screen 300 rose or descends, the straightness that hangs down can be guaranteed to the longer water route pipeline 310 of length to difficult emergence is rocked, has effectively avoided the draft tube because water route pipeline 310 rocks and takes place the risk that drops, has promoted work safety nature. Meanwhile, the base 200 arranged below the guide cylinder can stably support the guide cylinder, so that the force of shaking the waterway pipeline 310 due to the fact that the guide cylinder is applied to the waterway pipeline 310 is reduced, the stability of the waterway pipeline 310 is further improved, the waterway pipeline 310 is convenient to position and maintain, and the production efficiency is improved.
Referring to fig. 1, in an embodiment of the invention, the first supporting column 110 and the second supporting column 120 are perpendicular to the base 200. Specifically, since the first and second support columns 110 and 120 are perpendicular to the base 200, when the waterway conduit 310 is fixed to the first and second support columns 110 and 120, the waterway conduit 310 may be perpendicular to the base 200 while closely fitting to the first and second support columns 110 and 120. From this, when waterway pipeline 310 ascends or descends along with the positioning support frame, waterway pipeline 310 can keep perpendicular, effectively avoided the draft tube because waterway pipeline 310 rocks and takes place the risk that drops, further promoted the work safety nature.
Referring to fig. 1, in an embodiment of the present invention, the positioning and maintaining device for a water-cooling heat dissipation screen further includes: a first parking platform 111 and a second parking platform 121. Wherein, one end of the first parking platform 111 is fixedly connected with the first support column 110, and the other end is a free end, and the first parking platform 111 is arranged below the pipeline fixing piece 140 on the first support column 110; one end of the second parking platform 121 is fixedly connected to the second supporting pillar 120, and the other end is a free end, the second parking platform 121 is disposed below the pipe fixing member 140 connected to the second supporting pillar 120, and the second parking platform 121 and the first parking platform 111 are symmetrically disposed. Specifically, the waterway pipe 310 is provided with opposite bends at the first and second parking platforms 111 and 121, and the bends can be placed on the first and second parking platforms 111 and 121, so that the waterway pipe 310 is supported upward by the first and second parking platforms 111 and 121. Therefore, the stability of the waterway pipeline 310 can be further improved, and the construction safety is improved.
Referring to fig. 1, in an embodiment of the present invention, the positioning and maintaining device for a water-cooling heat dissipation screen further includes: a first fixing rod 112 and a second fixing rod 122. The first fixing rod 112 is obliquely arranged between the cross rod 130 and the first support column 110, one end of the first fixing rod 112 is fixedly connected with the cross rod 130, and the other end is fixedly connected with the first support column 110; the second fixing rod 122 is obliquely disposed between the cross bar 130 and the second supporting post 120, one end of the second fixing rod 122 is fixedly connected to the cross bar 130, and the other end is fixedly connected to the second supporting post 120. Particularly, the contact positions of the first fixing rod 112 and the second fixing rod 122 with the positioning support frame can form triangular structures, the triangular structures are stable in structure, and the structural strength is effectively improved. Therefore, the overall strength of the positioning support frame is effectively improved, and the stability of the positioning support frame along with the ascending or descending of the water pipeline 310 is further improved.
Referring to fig. 1, in one embodiment of the present invention, the pipe fixing member 140 is a fixing clamp. Particularly, the fixed clamp includes threely to set gradually on the support column, the fixed clamp can extend the screw thread through T type locking device and lock or loosen, can adjust the clamping dynamics, also is applicable to the waterway pipeline 310 of different pipe diameters simultaneously. Therefore, the application range is improved while the waterway is stably fixed.
As shown in fig. 2, the present invention further provides a positioning and maintaining method for a water-cooling heat dissipation panel, in which water channels are symmetrically disposed on two sides of the water-cooling heat dissipation panel, and the method is applied to the positioning and maintaining device for a water-cooling heat dissipation panel in any of the above embodiments, and the method includes S210-S250.
And S210, taking the water-cooling heat dissipation screen and the guide cylinder out of the single crystal furnace.
And S220, separating the water-cooling heat dissipation screen from the guide cylinder, and then placing the water-cooling heat dissipation screen on the base.
In one embodiment of the present invention, placing a water-cooled heat-dissipating screen on a base includes:
and respectively placing the bent parts of the water channel pipelines on the two sides of the water-cooling heat dissipation screen on the first parking platform and the second parking platform.
And S230, fastening the waterway pipelines symmetrically arranged on the two sides of the water-cooling heat dissipation screen on the first support column and the second support column respectively by using pipeline fixing parts.
And S240, maintaining the water channel pipeline of the water-cooling heat dissipation screen.
In one embodiment of the invention, the maintenance of the waterway pipeline of the water-cooling heat dissipation screen comprises the following steps:
when the length of the waterway pipeline needs to be increased, the waterway pipeline is cut off from the middle section;
a section of waterway pipeline is added in the cut middle section;
and welding the joint of the middle section and the added section of the waterway pipeline.
In one embodiment of the invention, the maintenance of the waterway pipeline of the water-cooling heat dissipation screen comprises the following steps:
when the length of the waterway pipeline needs to be reduced, the waterway pipeline is cut off from the middle section;
and after intercepting the water channel pipeline with the required length, splicing and welding the water channel pipeline.
And S250, after the water channel pipeline of the water-cooling heat dissipation screen is maintained, hanging the guide cylinder on the water-cooling heat dissipation screen and putting the water-cooling heat dissipation screen into the single crystal furnace.
According to the method provided by the embodiment of the invention, the waterway pipeline is kept stable in the moving process, the guide cylinder is prevented from shaking and falling, and the construction safety is effectively improved; meanwhile, the base is arranged below the water-cooling heat dissipation screen and the guide cylinder, the guide cylinder can be stably connected, and safety is further improved.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (9)
1. The utility model provides a water-cooling heat dissipation screen location maintenance device which characterized in that includes:
the positioning support frame comprises a first support column and a second support column, and the top ends of the first support column and the second support column are fixedly connected through a cross rod;
the base is fixedly connected with the bottom ends of the first supporting column and the second supporting column respectively, and the base and the positioning supporting frame form a frame;
at least a set of pipeline mounting, every group the pipeline mounting is including the symmetry setting first support column with pipeline mounting on the second support column.
2. The water-cooled heat dissipation panel positioning and maintenance device of claim 1, wherein the first support column and the second support column are perpendicular to the base.
3. The water-cooled heat dissipation panel positioning and maintaining device of claim 1, further comprising:
one end of the first parking platform is fixedly connected with the first supporting column, the other end of the first parking platform is a free end, and the first parking platform is arranged below the pipeline fixing piece on the first supporting column;
the second parking platform, the second parking platform one end with second support column fixed connection, the other end are the free end, the second parking platform set up with the second support column is connected the below of pipeline mounting, the second parking platform with the first parking platform symmetry sets up.
4. The water-cooled heat dissipation panel positioning and maintaining device of claim 1, further comprising:
the first fixing rod is obliquely arranged between the cross rod and the first support column, one end of the first fixing rod is fixedly connected with the cross rod, and the other end of the first fixing rod is fixedly connected with the first support column;
the second fixing rod is obliquely arranged between the cross rod and the second supporting column, one end of the second fixing rod is fixedly connected with the cross rod, and the other end of the second fixing rod is fixedly connected with the second supporting column.
5. The water-cooled heat dissipation panel positioning and maintenance device of claim 1, wherein the pipe fixing member is a fixing clamp.
6. A positioning and maintaining method for a water-cooling heat dissipation screen, wherein waterway pipelines are symmetrically arranged on two sides of the water-cooling heat dissipation screen, is characterized in that the method is applied to the positioning and maintaining device for the water-cooling heat dissipation screen as claimed in any one of claims 1 to 5, and comprises the following steps:
taking the water-cooling heat dissipation screen and the guide cylinder out of the single crystal furnace;
separating the water-cooling heat dissipation screen from the guide cylinder and then placing the water-cooling heat dissipation screen on the base;
the waterway pipelines symmetrically arranged at two sides of the water-cooling heat dissipation screen are respectively fastened on the first supporting column and the second supporting column by using the pipeline fixing piece;
maintaining a waterway pipeline of the water-cooling heat dissipation screen;
and after the water channel pipeline of the water-cooling heat dissipation screen is maintained, hanging the guide cylinder on the water-cooling heat dissipation screen and putting the water-cooling heat dissipation screen into the single crystal furnace.
7. The heat dissipation panel positioning and maintaining method of claim 6, wherein placing the water-cooled heat dissipation panel on the base comprises:
and respectively placing the bent parts of the water channel pipelines on the two sides of the water-cooling heat dissipation screen on the first parking platform and the second parking platform.
8. The heat dissipation screen positioning and maintaining method as claimed in claim 6, wherein maintaining the water path pipeline of the water cooling heat dissipation screen comprises:
when the length of the waterway pipeline needs to be increased, cutting the middle part of the waterway pipeline;
adding a section of waterway pipeline at the cut middle part;
and welding the joint of the middle part and the added section of the waterway pipeline.
9. The heat dissipation screen positioning and maintaining method as claimed in claim 6, wherein maintaining the water path pipeline of the water cooling heat dissipation screen comprises:
when the length of the waterway pipeline needs to be reduced, the waterway pipeline is cut off from the middle section;
and after intercepting the water path pipeline with the required length, splicing and welding the water path pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111682360.0A CN114367778A (en) | 2021-12-30 | 2021-12-30 | Positioning and maintaining device and method for water-cooling heat dissipation screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111682360.0A CN114367778A (en) | 2021-12-30 | 2021-12-30 | Positioning and maintaining device and method for water-cooling heat dissipation screen |
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| Publication Number | Publication Date |
|---|---|
| CN114367778A true CN114367778A (en) | 2022-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111682360.0A Pending CN114367778A (en) | 2021-12-30 | 2021-12-30 | Positioning and maintaining device and method for water-cooling heat dissipation screen |
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| Country | Link |
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| CN (1) | CN114367778A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104400119A (en) * | 2014-11-25 | 2015-03-11 | 黑龙江大学 | Pipeline cutting wire saw |
| CN105798516A (en) * | 2015-08-04 | 2016-07-27 | 王琼琦 | Welding jig for bent plate |
| CN110549042A (en) * | 2019-06-24 | 2019-12-10 | 泉州市燃气有限公司 | Welding equipment with shading structure for natural gas pipeline maintenance |
| CN212056107U (en) * | 2020-03-16 | 2020-12-01 | 四川立道通信技术有限公司 | Supporting device capable of being effectively positioned and used for pipeline maintenance |
| CN213142280U (en) * | 2020-07-27 | 2021-05-07 | 邢台晶龙电子材料有限公司 | Cleaning device for water-cooling heat shield and single crystal furnace |
-
2021
- 2021-12-30 CN CN202111682360.0A patent/CN114367778A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104400119A (en) * | 2014-11-25 | 2015-03-11 | 黑龙江大学 | Pipeline cutting wire saw |
| CN105798516A (en) * | 2015-08-04 | 2016-07-27 | 王琼琦 | Welding jig for bent plate |
| CN110549042A (en) * | 2019-06-24 | 2019-12-10 | 泉州市燃气有限公司 | Welding equipment with shading structure for natural gas pipeline maintenance |
| CN212056107U (en) * | 2020-03-16 | 2020-12-01 | 四川立道通信技术有限公司 | Supporting device capable of being effectively positioned and used for pipeline maintenance |
| CN213142280U (en) * | 2020-07-27 | 2021-05-07 | 邢台晶龙电子材料有限公司 | Cleaning device for water-cooling heat shield and single crystal furnace |
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