CN108714739A - A kind of U-shaped wire clamp of plug-in type and production method - Google Patents
A kind of U-shaped wire clamp of plug-in type and production method Download PDFInfo
- Publication number
- CN108714739A CN108714739A CN201810810932.0A CN201810810932A CN108714739A CN 108714739 A CN108714739 A CN 108714739A CN 201810810932 A CN201810810932 A CN 201810810932A CN 108714739 A CN108714739 A CN 108714739A
- Authority
- CN
- China
- Prior art keywords
- shaped
- bottom plate
- wire clamp
- shaped folder
- self
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- 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
- B23K23/00—Alumino-thermic 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
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/28—Selection of soldering or welding materials proper with the principal constituent melting at less than 950 degrees C
- B23K35/286—Al as the principal constituent
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
Abstract
The invention discloses a kind of U-shaped wire clamp of plug-in type and production method, the U-shaped wire clamp of plug-in type includes U-shaped folder and bottom plate, and processing and fabricating U-shaped folder is required according to design size, and opens U-shaped folder bottom and reserve or open up connecting hole;Processing and fabricating bottom plate, and bottom plate is inserted into connecting hole;Fireproof die is made according to U-shaped folder and base plate size, U-shaped folder and bottom plate are put into position in fireproof die and fixed so that is exposed in a mold the connecting hole junction of bottom plate and U-shaped folder;The crucible that bottom belt exports, the connecting hole of the outlet at bottom alignment U-shaped folder bottom of crucible are set above U-shaped wire clamp;Required self- propagating welding powder quality is estimated according to connecting hole and base plate size, the welding powder being placed in crucible is lighted using self-propagation seal mode, the spigot of bottom plate and U-shaped folder is welded;It avoids generating casting flaw the invention enables the U-shaped wire clamp with bottom plate and connects the weld defect of force part, more securely and reliably, active time is longer, substantially increases weld metal zone intensity.
Description
Technical field
The invention belongs to technical field of electric power, it is related to a kind of wire clamp and production method, and in particular to a kind of U-shaped line of plug-in type
Folder and production method.
Background technology
U-shaped wire clamp is the important equipment inside electric system, is a kind of electric armour clamp, can both be used as structural member, also may be used
Using the functor as conductive and heat conduction.Currently, in power industry, the U-shaped wire clamp with bottom plate is often disposably cast as
Bottom plate is connect with U-shaped folder by type by welding.And cast member is easy to connect in bottom plate and wire clamp due to one-pass molding
The root connect is broken, and the weld seam of weldment belongs to weak link, and commissure is due to the weld defects such as incomplete fusion, lack of penetration
Presence, intensity is generally below base material, and weld seam is generally the weak area of weldment, can also be damaged during military service
It is bad.And the damage of the component can lead to U-shaped cable clamp structure unstability, and seriously affect electric conductivity, may result in it is serious after
Fruit causes safety accident.Therefore, it is necessary to solve problem above.
Invention content
The present invention is to solve the problems, such as U-shaped wire clamp casting or welding transverse bottom plate easy fracture, it is proposed that a kind of new design
And fabrication scheme.
To achieve the above objectives, the technical solution adopted in the present invention is:
A kind of U-shaped wire clamp production method of plug-in type, which is characterized in that include the following steps:
Step 1: requiring processing and fabricating U-shaped folder according to design size, and opens U-shaped folder bottom and reserve or open up connecting hole;
Step 2: requiring processing and fabricating bottom plate according to design size, and bottom plate is inserted into connecting hole;
Step 3: making fireproof die according to U-shaped folder and base plate size, it is fixed that U-shaped folder and bottom plate are put into fireproof die
Position is fixed so that exposes in a mold the connecting hole junction of bottom plate and U-shaped folder;
Step 4: the crucible that bottom belt exports is set above U-shaped wire clamp, the outlet at bottom alignment U-shaped folder bottom of crucible
Connecting hole;
Step 5: required self- propagating welding powder quality is estimated according to connecting hole and base plate size, using self-propagation seal mode
The welding powder being placed in crucible is lighted, the spigot of bottom plate and U-shaped folder is welded;
Step 6: after whole cooling, bottom plate and U-shaped folder welding position are finished, U-shaped wire clamp is completed and makes.
Preferably, the ingredient and proportion of the self- propagating welding powder are as follows:
Al powder 25-50wt.%, SnO2Powder 20-45wt.%, cupric oxide powder 10-30wt.%, borax 2-4wt.%, potassium ice
Spar 1-3wt.%, thermite 10-30wt.%, CaF2Powder 2-5wt.%, wherein wt. representation qualities ratio.
Preferably, mesh number ranging from 125~375 mesh of each component powders of self- propagating welding powder.
Preferably, the U-shaped folder and bottom plate are made of casting, turner or hot rolling.
Preferably, in the step 3, fireproof die could alternatively be, in the socket gap that U-shaped folder is connected with bottom plate
Surrounding makes a cofferdam using fire clay.
Preferably, the crucible uses infundibulate crucible.
Preferably, in step 6, self-propagation seal mode concrete operations are as follows:
It is placed at outlet at bottom from molten catch in crucible, self- propagating welding powder is then added, is spread on self- propagating welding powder surface
Upper gunpowder is simultaneously inserted into lead, puts combustion wire, and self- propagating welding powder melts is flowed into U-shaped folder from after molten catch by crucible bottom outlet
It completes to be welded to connect in the socket gap connected with bottom plate.
Preferably, the certainly molten catch is any one in scale copper, flake aluminum and the scraps of paper.
Preferably, the ingredient and proportion of the self- propagating welding powder are as follows:
Al powder 25-50wt.%, SnO2Powder 20-45wt.%, cupric oxide powder 10-30wt.%, borax 2-4wt.%, potassium ice
Spar 1-3wt.%, thermite 10-30wt.%, CaF2Powder 2-5wt.%.
A kind of U-shaped wire clamp of plug-in type, which is characterized in that including U-shaped folder and bottom plate, the U-shaped bottom of the U-shaped folder is equipped with cross
To connecting hole, the bottom end is inserted into connecting hole, and uses self-propagation seal skill in the spigot of bottom and connecting hole
Art is welded.
Present invention has the advantages that:
The present invention relative to current existing U-shaped wire clamp fabrication scheme, propose it is a kind of being first inserted into bottom plate after fill insert port
Connection scheme so that the U-shaped wire clamp with bottom plate avoid generate casting flaw and connect force part weld defect, more pacify
Complete reliable, active time is longer, and compared with existing scheme, self- propagating method filling notch so that junction is more stable, and at
Dividing can be with designed, designed so that weld metal zone intensity improves, and this method can carry out execute-in-place, and either first welding is still
Repairing can be carried out very easily, and may be implemented in the field of a small range without electrically operated.
Description of the drawings
Fig. 1 is the U-shaped wire clamp schematic diagram of plug-in type in the embodiment of the present invention.
Fig. 2 is the schematic diagram of U-shaped folder bottom opening of the present invention.
Fig. 3 is the U-shaped cable clamp structure schematic diagram being welded.
Fig. 4 is crucible scheme of installation in welding process.
1-U types press from both sides, 2- bottom plates, 3- rectangular channels, 4- graphite flakes, 5- leads, 6- crucibles, the outlets 7-, 8- self- propagating welding powders, 9-
Block paper, 10- gunpowder.
Specific implementation mode
As shown in Figure 1 to Figure 3, certain power circuit need to install the U-shaped wire clamp with bottom plate 2, be made of U-shaped folder 1 and bottom plate 2,
Its 2 size of bottom plate is 60cm × 45cm × 4cm.
1, U-shaped folder 1 one, U-shaped folder 1 itself are formed by hot rolling aluminum tube bending, and number axis linear distance is 60cm between two feet,
Open the rectangular channel 3 of a 45cm × 4cm in the U-shaped bottom side of aluminum pipe outer diameter 10cm, U-shaped folder 1;
2, bottom plate 2 is inserted into rectangular channel 3, insertion depth 3cm is used in combination fixture to fix relative position, then with resistance to
Chamotte will wrap up around socket, form cofferdam;
3, prepare a volume about 300mL's and bottom be provided with the graphite crucible of outlet, by crucible using holder or its
His support member (such as metal holder) frame is above U-shaped folder 1 so that the outlet at bottom face socket of crucible;
4, the aperture that graphite crucible bottom is blocked using the paper of doubling, is weighed 300g aluminium base self- propagating welding powders, pours into crucible
Inside, surface sprinkle gunpowder, are inserted into lead, block crucible top with graphite flake and stay a smaller gap;
4, combustion wire is put, the molten aluminum of melting is exported from crucible bottom to flow out, and flows into inside the cofferdam of fire clay formation, and
Fill gap and the surrounding of insert port;
5, molten aluminum to be melted and the cooling of entire sample, fire clay of dismantling, carrying out finishing makes its appearance reach design to want
It asks.
The ingredient and proportion of above-mentioned self- propagating welding powder are as follows:
Al powder 25-50wt.%, SnO2Powder 20-45wt.%, cupric oxide powder 10-30wt.%, borax 2-4wt.%, potassium ice
Spar 1-3wt.%, thermite 10-30wt.%, CaF2Powder 2-5wt.%, wherein wt. representation qualities ratio.
Claims (10)
1. a kind of U-shaped wire clamp production method of plug-in type, which is characterized in that include the following steps:
Step 1: requiring processing and fabricating U-shaped folder according to design size, and connecting hole is reserved or opens up in U-shaped folder bottom;
Step 2: requiring processing and fabricating bottom plate according to design size, and bottom plate is inserted into connecting hole;
Step 3: making fireproof die according to U-shaped folder and base plate size, U-shaped folder and bottom plate are put into fireproof die and positioned admittedly
It is fixed so as to expose in a mold the connecting hole junction of bottom plate and U-shaped folder;
Step 4: the crucible that bottom belt exports is set above U-shaped wire clamp, the company of the outlet at bottom alignment U-shaped folder bottom of crucible
Connect hole;
Step 5: estimating required self- propagating welding powder quality according to connecting hole and base plate size, lighted using self-propagation seal mode
The welding powder being placed in crucible welds the spigot of bottom plate and U-shaped folder;
Step 6: after whole cooling, bottom plate and U-shaped folder welding position are finished, U-shaped wire clamp is completed and makes.
2. a kind of U-shaped wire clamp production method of plug-in type as described in claim 1, which is characterized in that the self- propagating welding powder at
Divide and proportion is as follows:
Al powder 25-50wt.%, SnO2Powder 20-45wt.%, cupric oxide powder 10-30wt.%, borax 2-4wt.%, elpasolite 1-
3wt.%, thermite 10-30wt.%, CaF2Powder 2-5wt.%, wherein wt. representation qualities ratio.
3. a kind of U-shaped wire clamp production method of plug-in type as claimed in claim 2, it is characterised in that:The self- propagating welding powder is each
The mesh number of component powders ranging from 125~375 mesh.
4. a kind of U-shaped wire clamp production method of plug-in type as claimed in claim 2, it is characterised in that:The U-shaped folder and bottom plate use
Casting, turner or hot rolling are made.
5. a kind of U-shaped wire clamp production method of plug-in type as claimed in claim 2, it is characterised in that:In the step 3, fire resisting mould
Tool could alternatively be, and be fixed U-shaped folder and bottom plate relative position using fixture, in the gap four of U-shaped folder and bottom plate connection socket
Zhou Liyong fire clays make a cofferdam.
6. a kind of U-shaped wire clamp production method of plug-in type as claimed in claim 2, it is characterised in that:The crucible uses infundibulate
Crucible.
7. a kind of U-shaped wire clamp production method of plug-in type as claimed in claim 6, it is characterised in that:In step 6, self-propagation seal
Mode concrete operations are as follows:
It is placed at outlet at bottom from molten catch in crucible, self- propagating welding powder is then added, fire is sprinkled on self- propagating welding powder surface
Medicine is simultaneously inserted into lead, puts combustion wire, and self- propagating welding powder melts is flowed into U-shaped folder and bottom from after molten catch by crucible bottom outlet
It completes to be welded to connect in the socket gap of plate connection.
8. a kind of U-shaped wire clamp production method of plug-in type as claimed in claim 7, it is characterised in that:Certainly the molten catch is thin copper
Any one in piece, flake aluminum and the scraps of paper.
9. a kind of self- propagating welding powder for the U-shaped wire clamp of welding production plug-in type, which is characterized in that the self- propagating welding powder at
Divide and proportion is as follows:
Al powder 25-50wt.%, SnO2Powder 20-45wt.%, cupric oxide powder 10-30wt.%, borax 2-4wt.%, elpasolite 1-
3wt.%, thermite 10-30wt.%, CaF2Powder 2-5wt.%.
10. a kind of U-shaped wire clamp of plug-in type, which is characterized in that including U-shaped folder and bottom plate, the U-shaped bottom of the U-shaped folder is equipped with cross
To connecting hole, the bottom end is inserted into connecting hole, and uses self-propagation seal skill in the spigot of bottom and connecting hole
Art is welded.
Priority Applications (1)
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CN201810810932.0A CN108714739B (en) | 2018-07-23 | 2018-07-23 | Plug-in U-shaped wire clamp and manufacturing method thereof |
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Application Number | Priority Date | Filing Date | Title |
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CN201810810932.0A CN108714739B (en) | 2018-07-23 | 2018-07-23 | Plug-in U-shaped wire clamp and manufacturing method thereof |
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Publication Number | Publication Date |
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CN108714739A true CN108714739A (en) | 2018-10-30 |
CN108714739B CN108714739B (en) | 2020-09-08 |
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Citations (9)
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GB1343258A (en) * | 1971-08-17 | 1974-01-10 | Canada Wire & Cable Co Ltd | Welding of hollow core conductors |
US6776386B1 (en) * | 2002-03-21 | 2004-08-17 | Continental Industries, Inc. | Lid for exothermic reaction welding mold |
CN201126871Y (en) * | 2007-07-04 | 2008-10-01 | 固力发电气有限公司 | Double conductor equipment thread clamp |
CN101474719A (en) * | 2008-12-10 | 2009-07-08 | 青铜峡铝业集团有限公司 | In situ self-spread welding repair method of aluminum mother plate |
CN201838726U (en) * | 2010-11-03 | 2011-05-18 | 河南电力器材公司 | Wire clamp for dual-wire equipment |
CN103317226A (en) * | 2013-05-30 | 2013-09-25 | 青铜峡铝业股份有限公司 | Secondary self-propagating welding method for cathode soft belt and large bus for aluminum electrolysis cell |
CN204538616U (en) * | 2015-04-30 | 2015-08-05 | 国家电网公司 | A kind of saddle-shape strain clamp |
CN104972220A (en) * | 2015-07-29 | 2015-10-14 | 武汉大学 | In-situ power-cut-free welding method for soft mother belts and aluminum bus of cathode of aluminum electrolysis cell |
CN108258440A (en) * | 2017-12-04 | 2018-07-06 | 国网新疆电力有限公司经济技术研究院 | A kind of dual lead device clamp |
-
2018
- 2018-07-23 CN CN201810810932.0A patent/CN108714739B/en active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1343258A (en) * | 1971-08-17 | 1974-01-10 | Canada Wire & Cable Co Ltd | Welding of hollow core conductors |
US6776386B1 (en) * | 2002-03-21 | 2004-08-17 | Continental Industries, Inc. | Lid for exothermic reaction welding mold |
CN201126871Y (en) * | 2007-07-04 | 2008-10-01 | 固力发电气有限公司 | Double conductor equipment thread clamp |
CN101474719A (en) * | 2008-12-10 | 2009-07-08 | 青铜峡铝业集团有限公司 | In situ self-spread welding repair method of aluminum mother plate |
CN201838726U (en) * | 2010-11-03 | 2011-05-18 | 河南电力器材公司 | Wire clamp for dual-wire equipment |
CN103317226A (en) * | 2013-05-30 | 2013-09-25 | 青铜峡铝业股份有限公司 | Secondary self-propagating welding method for cathode soft belt and large bus for aluminum electrolysis cell |
CN204538616U (en) * | 2015-04-30 | 2015-08-05 | 国家电网公司 | A kind of saddle-shape strain clamp |
CN104972220A (en) * | 2015-07-29 | 2015-10-14 | 武汉大学 | In-situ power-cut-free welding method for soft mother belts and aluminum bus of cathode of aluminum electrolysis cell |
CN108258440A (en) * | 2017-12-04 | 2018-07-06 | 国网新疆电力有限公司经济技术研究院 | A kind of dual lead device clamp |
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