CN105437531B - A kind of switchgear branch row is set with method and the switchgear branch row of heat-shrink tube - Google Patents
A kind of switchgear branch row is set with method and the switchgear branch row of heat-shrink tube Download PDFInfo
- Publication number
- CN105437531B CN105437531B CN201510987818.1A CN201510987818A CN105437531B CN 105437531 B CN105437531 B CN 105437531B CN 201510987818 A CN201510987818 A CN 201510987818A CN 105437531 B CN105437531 B CN 105437531B
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- China
- Prior art keywords
- heat
- row
- bending part
- branch
- shrink tube
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000005452 bending Methods 0.000 claims abstract description 48
- 238000002347 injection Methods 0.000 claims abstract description 7
- 239000007924 injection Substances 0.000 claims abstract description 7
- 239000000314 lubricant Substances 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 abstract description 10
- 230000003796 beauty Effects 0.000 abstract description 3
- 238000003303 reheating Methods 0.000 abstract 1
- 229940099259 vaseline Drugs 0.000 description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 229920001169 thermoplastic Polymers 0.000 description 4
- 239000004416 thermosoftening plastic Substances 0.000 description 4
- 230000008602 contraction Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000006071 cream Substances 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000013003 hot bending Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
- B29C63/18—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using tubular layers or sheathings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
- B29C63/0065—Heat treatment
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Power Engineering (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The present invention relates to method and switchgear branch rows that suit heat-shrink tube is arranged by a kind of switchgear branch, belong to switchgear branch row's processing technique field.The method of the switchgear branch row suit heat-shrink tube of the present invention includes the following steps：Shrinkable sleeve is located on branch row, the branch row includes bending part, it is begun to warm up from heat-shrink tube one end using flame injection device and is contracted to branch's row's bending part, heat shrink is carried out to the arcuate surface of bending part, then heat shrink is carried out to the inner concave of bending part, then heat shrink is carried out to the side of bending part.The method of the switchgear branch row suit heat-shrink tube of the present invention is by first heating the arcuate surface of bending part, the inner concave for reheating bending part later substantially reduces the fold of branch's row's bending part, makes heat-shrinkable T bush smooth surface, beauty, product quality is improved, product competitiveness is also improved.
Description
Technical field
The present invention relates to method and switchgear branch rows that suit heat-shrink tube is arranged by a kind of switchgear branch, belong to switchgear point
Branch arranges processing technique field.
Background technology
With the development with network technology, the equipment for power transmission and distribution market demand is in sustainable growth, while with the upgrading of rural power grids, extra-high
The construction of the engineerings such as pressure so that the quick increase of controller switching equipment demand, 10kV and 35kV switchgear demands are increasing, to production
The requirement of the quality control of product is also higher and higher, and the production technology of traditional switchgear gradually cannot be satisfied the demand in market, example
As the buckling problems of switchgear branch heat extraction Heat-Shrinkable Tubings bending part have produced large effect to the overall quality of product.It is special
It is not that double branches row and three branch's bar casing tubes are failed to solve always in the buckling problems of bending part, seriously affected product
Overall appearance and production efficiency, reduce the competitiveness of product.
Switchgear branch row is divided into single, double, three rows, and bending angle has singly 90 degree, multiple 90 degree continuous, space is different
Shape angle etc. puts on heat-shrink tube after the row's processing of ordinary circumstance inferior division, is heated with baking oven, electric heat gun, and heat-shrink tube contraction is made to be close to
Busbar.Baking oven pyrocondensation is efficient, but is unable to control the problem of bending part fold is arranged by branch.Electric heat gun pyrocondensation efficiency is relatively low,
It cannot be used for large-scale production application.
The Chinese invention patent (data of publication of application is on May 22nd, 2013) that application publication number is CN103112161A is open
A kind of " copper bar is set with thermoplastic pipe processing technique ", and specifically disclose in processing, all recessed of non-conventional copper bar is toasted first
Face after the side pyrocondensation where all concave surfaces is good, then toasts all convex surfaces of non-conventional copper bar, makes the side where all convex surfaces
Also pyrocondensation is good.This method reheats non-conventional copper bar convex surface, this method cannot be fully solved using anisotropic copper bar concave surface is first heated
The problem of non-conventional copper bar bending part fold, when especially heating special-shaped double and three row, buckling problems are more prominent.In addition, should
All concave surfaces are first heated and reheat all convex surfaces by method, when handling the more busbar of bending, the pyrocondensation that first heats
Pipe has cooled down, and the position for being unfavorable for heat-shrink tube is fixed.
Invention content
The purpose of the present invention is to provide a kind of methods that suit heat-shrink tube is arranged by switchgear branch, to be substantially reduced branch row
The fold of heat-shrink tube bending part.The present invention also aims to provide a kind of switchgear branch that the above method is handled row.
In order to achieve the goal above, the technical solution of the method for the switchgear branch row suit heat-shrink tube of the present invention is as follows：
A kind of method of switchgear branch row suit heat-shrink tube, includes the following steps：
Shrinkable sleeve is located on branch row, branch row includes bending part, using flame injection device from heat-shrink tube
One end, which is begun to warm up, is contracted to branch's row's bending part, heat shrink is carried out to the arcuate surface of bending part, then in bending part
Concave surface carries out heat shrink, then carries out heat shrink to the side of bending part.
When carrying out heat shrink to the arcuate surface of bending part, pulling force is applied to the other end of heat-shrink tube and is tensed.
The flame front of the flame injection device is apart from pyrocondensation pipe surface 5-8cm.
To bending part since heat-shrink tube one end begins to warm up and is contracted to from bending part evagination vertex of surface 10-15cm i.e.
Arcuate surface carries out heat shrink.
Before shrinkable sleeve to be located to branch row above, lubricant first is smeared on pyrocondensation inside pipe wall, so that heat-shrink tube energy
Enough smoothly set top set rows.Lubricant is lubricant in the prior art, such as vaseline.
The lubricant is applied to the region for being no more than 15cm on pyrocondensation inside pipe wall apart from nozzle.
The branch row is single either double or three rows.
The flame injection device is flame gun.
The technical solution of the switchgear branch row of the present invention is as follows：
A kind of switchgear branch row handled using the above method.
The method of the switchgear branch row suit heat-shrink tube of the present invention by first heating the arcuate surface of bending part, later again plus
The inner concave of hot bending part substantially reduces the fold of branch's row's bending part, makes heat-shrinkable T bush smooth surface, beauty, improve
Product quality also improves product competitiveness.In addition, being heated using open fire flame, pyrocondensation efficiency is substantially increased.
Description of the drawings
Fig. 1 is the structural representation of the switchgear of the embodiment of the method for the switchgear branch row suit heat-shrink tube of the present invention
Figure；
Fig. 2 is that surface feelings are arranged by method treated the switchgear branch of the switchgear branch row suit heat-shrink tube of the present invention
Condition.
Specific implementation mode
The embodiment of the method for the switchgear branch row suit heat-shrink tube of the present invention：
As shown in Figure 1, the switchgear of the present invention includes bus-bar room 1, top set row 2, cable vault 3, inferior division row 4, instrument
The method of room 5, breaker chamber 6, switchgear branch of the invention row suit heat-shrink tube is on top set row or inferior division row
Be set with heat-shrink tube, top set row and inferior division row all can be single, double or three rows, double and three rows refer to the branch arrange
It is stacked and is formed by two or three busbars；Top set arranges and inferior division row includes one or more bending part, also wraps
It includes and is connected to the straight of bending part both ends and prolongs portion, the angle of bending part can be 90 degree, can also be more than or less than 90 degree.This reality
It is double, including three straight bending parts for prolonging portion and two an angle of 90 degrees to apply the branch row in example.
The method of the switchgear branch row suit heat-shrink tube of the present embodiment includes the following steps：First in pyrocondensation inside pipe wall distance
Lubricant vaseline is smeared on region within nozzle 15cm, and heat-shrink tube is then covered into top set along the one end for being coated with vaseline
Row, keeps heat-shrink tube both ends roughly the same apart from the distance for the end that corresponding branch arranges；The flame of flame gun is adjusted to just
Good to become blue, the straight end for prolonging the heat-shrink tube being arranged outside portion that one end is arranged from branch begins to warm up contraction, the fire of flame gun
It is 6cm that flame front end, which is maintained in pyrocondensation pipe surface about 5-8cm, the present embodiment, and flame gun quickly moves back and forth, and makes thermoplastic
Pipe contraction is adjacent to branch row, when at the evagination vertex of surface 10-15cm that heat-shrink tube shrinks the positional distance bending part being adjacent to, stops
Directly prolong portion's heating to this, can stop when the distance is 12cm in the present embodiment；Then the arcuate surface of bending part is heated and is received
Contracting, distance of the flame front apart from pyrocondensation pipe surface are still 6cm, while heating, are not yet heated to the other end of heat-shrink tube
One end apply pulling force, can by manually apply pulling force can also by machinery apply pulling force, so that heat-shrink tube is tensed；In evagination
After the heat-shrink tube in face is adjacent to branch row, the heat-shrink tube of inner concave accumulation at this time is also accordingly reduced, and starts the pyrocondensation of internal concave surface
Pipe heat shrink, distance of the flame front apart from pyrocondensation pipe surface is still 6cm when heating, is adjacent to point in the heat-shrinkable T bush of inner concave
After branch row, it is set to be adjacent to branch row the heat-shrink tube heat shrink of two sides of bending part, at this point, the bending part has been handled
At for another connected straight portion that prolongs of the bending part according to the above-mentioned straight mode of heating progress heat shrink for prolonging portion, then to another
One bending part carries out heat shrink using mode of heating identical with above-mentioned bending part, finally heats receipts to the remaining straight portion that prolongs
Contracting.
In the other embodiment of the method for the switchgear branch row suit heat-shrink tube of the present invention, in the evagination of heating bending part
When face, pulling force is not applied to the other end of heat-shrink tube.
In other embodiments, the region for vaseline being smeared on thermoplastic inside pipe wall can be smaller, can not also smear
Vaseline.
In other embodiments, lubricant can be silicone grease cream.
The embodiment of the switchgear branch row of the present invention：
The embodiment that the switchgear branch mining of the present invention arranges the method for suit heat-shrink tube with above-mentioned switchgear branch is handled
It obtains.
As shown in Fig. 2, method treated the branch row of the switchgear branch row suit heat-shrink tube of the present invention, is substantially reduced
The fold of branch's row's bending part, makes heat-shrinkable T bush smooth surface, beauty, improves product quality, also improve product competition
Power.
In the other embodiment of the switchgear branch row of the present invention, when heating the arcuate surface of bending part, not to heat-shrink tube
The other end apply pulling force.In other embodiments, the region for vaseline being smeared on thermoplastic inside pipe wall can be smaller, also may be used
Not smear vaseline.In other embodiments, lubricant can be silicone grease cream.
Claims (6)
1. a kind of method of switchgear branch row suit heat-shrink tube, which is characterized in that including：
Shrinkable sleeve is located on branch row, the branch row is that top set row or inferior division are arranged, top set row and inferior division
Row includes multiple bending parts, further includes being connected to the straight of bending part both ends to prolong portion；Using flame injection device from heat-shrink tube one
End, which is begun to warm up, is contracted to branch's row's bending part, heat shrink is carried out to the arcuate surface of bending part, then to the indent of bending part
Face carries out heat shrink, then carries out heat shrink to the side of bending part；
When carrying out heat shrink to the arcuate surface of bending part, pulling force is applied to the other end of heat-shrink tube and is tensed；
To bending part evagination since heat-shrink tube one end begins to warm up and is contracted to from bending part evagination vertex of surface 10-15cm i.e.
Face carries out heat shrink.
2. the method for switchgear branch row suit heat-shrink tube as described in claim 1, which is characterized in that the flame injection dress
The flame front set is apart from pyrocondensation pipe surface 5-8cm.
3. the method for switchgear branch row suit heat-shrink tube as described in claim 1, which is characterized in that be arranged by heat-shrink tube
Before branch row is upper, first lubricant is smeared on pyrocondensation inside pipe wall.
4. the method for switchgear branch row suit heat-shrink tube as claimed in claim 3, which is characterized in that the lubricant is smeared
It is no more than the region of 15cm apart from nozzle on pyrocondensation inside pipe wall.
5. the method for switchgear branch row suit heat-shrink tube as described in claim 1, which is characterized in that the branch row is single
Arrange either double or three rows.
6. the method for switchgear branch row suit heat-shrink tube as described in claim 1, which is characterized in that the flame injection dress
It is set to flame gun.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510987818.1A CN105437531B (en) | 2015-12-24 | 2015-12-24 | A kind of switchgear branch row is set with method and the switchgear branch row of heat-shrink tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510987818.1A CN105437531B (en) | 2015-12-24 | 2015-12-24 | A kind of switchgear branch row is set with method and the switchgear branch row of heat-shrink tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105437531A CN105437531A (en) | 2016-03-30 |
| CN105437531B true CN105437531B (en) | 2018-07-20 |
Family
ID=55548384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510987818.1A Active CN105437531B (en) | 2015-12-24 | 2015-12-24 | A kind of switchgear branch row is set with method and the switchgear branch row of heat-shrink tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105437531B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109366969A (en) * | 2018-10-31 | 2019-02-22 | 益和电气集团股份有限公司 | The processing technology of copper bar heat-shrink tube and the copper bar heat-shrink tube for using the processing technology |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101493298A (en) * | 2009-01-08 | 2009-07-29 | 西华大学 | Corrosion resistant composite heat exchanger and method for producing the same |
| CN103112161A (en) * | 2013-01-06 | 2013-05-22 | 河北电力装备有限公司 | Processing craft for thermoplastics pipes of copper bar suit |
| CN103511136A (en) * | 2013-10-29 | 2014-01-15 | 沈阳工业大学 | Fuel tank heating rod |
| CN103576239A (en) * | 2013-11-12 | 2014-02-12 | 中国工程物理研究院应用电子学研究所 | Method for manufacturing optical fiber beam combiner step by step |
| CN104029980A (en) * | 2014-06-13 | 2014-09-10 | 合肥江淮新发汽车有限公司 | Efficient and energy-saving shrink machine for heat shrink tubes on assembly line |
-
2015
- 2015-12-24 CN CN201510987818.1A patent/CN105437531B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101493298A (en) * | 2009-01-08 | 2009-07-29 | 西华大学 | Corrosion resistant composite heat exchanger and method for producing the same |
| CN103112161A (en) * | 2013-01-06 | 2013-05-22 | 河北电力装备有限公司 | Processing craft for thermoplastics pipes of copper bar suit |
| CN103511136A (en) * | 2013-10-29 | 2014-01-15 | 沈阳工业大学 | Fuel tank heating rod |
| CN103576239A (en) * | 2013-11-12 | 2014-02-12 | 中国工程物理研究院应用电子学研究所 | Method for manufacturing optical fiber beam combiner step by step |
| CN104029980A (en) * | 2014-06-13 | 2014-09-10 | 合肥江淮新发汽车有限公司 | Efficient and energy-saving shrink machine for heat shrink tubes on assembly line |
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| Publication number | Publication date |
|---|---|
| CN105437531A (en) | 2016-03-30 |
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