CN105702393A - Insulated assisting operating rod - Google Patents
Insulated assisting operating rod Download PDFInfo
- Publication number
- CN105702393A CN105702393A CN201610200714.6A CN201610200714A CN105702393A CN 105702393 A CN105702393 A CN 105702393A CN 201610200714 A CN201610200714 A CN 201610200714A CN 105702393 A CN105702393 A CN 105702393A
- Authority
- CN
- China
- Prior art keywords
- insulation
- sleeve pipe
- operation bar
- power assisted
- operating
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/56—Insulating bodies
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/56—Insulating bodies
- H01B17/58—Tubes, sleeves, beads, or bobbins through which the conductor passes
- H01B17/583—Grommets; Bushings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/56—Insulating bodies
- H01B17/60—Composite insulating bodies
Abstract
The invention discloses an insulated assisting operating rod, relates to the technical field of electrical equipment, and specifically relates to the operating rod. According to the operating rod, the problems that the size of the operating handle of a knife switch is not avail to operating and the operating handle is not insulated are solved. One end of an inner insulating bushing is an operating head; a metal ring, a protection brim and an outer insulating thermal shrinkage sheath are successively sleeved at the end of the inner insulating bushing close to the operating head; the metal ring, the protection brim and the outer insulating thermal shrinkage sheath are distributed along a radial direction; and the outer insulating thermal shrinkage sheath stretches from one side of the protection brim away from the operating brim to the other end of the inner insulating bushing. According to the operating rod provide by the invention, the switching operation security and reliability are improved; and the operating rod is applicable for operating the knife switch.
Description
Technical field
The present invention relates to technical field of electrotechnical equipment, be specifically related to a kind of action bars。
Background technology
" State Grid Corporation of China's electric power safety working regulation " specifies: wear insulating glove during disconnecting switch operation, when allowing for contingency generation exception, it is possible to cause arc grounding short circuit or cause that equipment ground part above earth potential raises, directly jeopardizing the safety of operator。For small current neutral grounding system, it is likely to when substation ground net resistance is more than permissible value and produces higher step voltage, therefore must wear insulating glove during operation。But owing to transformer station person on duty does not often wear insulating glove when grid switching operation, although not wearing insulating glove operation to violate " State Grid Corporation of China's electric power safety working regulation ", and this situation violating the regulations happens occasionally, so the personal safety of transformer station person on duty or operator is a great hidden danger by this。
Existing switch operation hands is there being following two shortcomings: one is that thickness is different so that has an effect irregular, affects operating handle without fixed dimension, varying length, it is impossible to enough accomplish to pull open with a snap disconnecting link, it is easy to produce arc erosion plug-in strip mouth, be unfavorable for one man operation。Mechanism's jam is serious in the winter time, operate more difficult, frequently result in disconnecting link drawing not in place, if if make plug-in strip mouth remain a kind of tactile from discharge condition, contact resistance value raises, the gap arc meeting ablation edge of a knife, increases the workload of the maintenance of isolation switch, shortens the service life of isolation switch。Two is that on the handle does not have any insulation measures, and once there is maloperation, caused arc grounding short circuit causes that equipment ground part above earth potential raises, and directly jeopardizes the life security of operator。
Summary of the invention
The present invention is unfavorable for operation and on-insulated problem to solve the size of switch operation hands handle, thus providing insulation power assisted operation bar。
Insulation power assisted operation bar of the present invention, including primary insulation sleeve pipe, becket, protection eaves and outer layer insulation sheath shrinkable sleeve；
One end of primary insulation sleeve pipe is operating head; primary insulation sleeve pipe overlaps intrinsic becket, protection eaves and outer layer insulation sheath shrinkable sleeve successively near one end of operating head; and becket, protection eaves and outer layer insulation sheath shrinkable sleeve are axially distributed, outer layer insulation sheath shrinkable sleeve is by the other end protecting the eaves side away from operating head to extend to primary insulation sleeve pipe。
The operating head of primary insulation sleeve pipe one end of the present invention matches with switch operation hands handle, primary insulation sleeve pipe increases the length of original manipulator's handle, make to operate more convenient smoothly, it is easy to disposable drawing put in place, it is to avoid because of the phenomenon such as do not have disconnecting link arcing that closing puts in place produces, disconnecting link is overheated。Accelerate closing speed of operating a switch, it is to avoid the generation of the phenomenon such as arc erosion edge of a knife of causing due to slow separating brake cutter。During operation easier, feel is better, more safe and reliable。Secondly, the ectonexine of device of the present invention can adopt the material of good insulation effect to make, and its insulating capacity is better than insulating glove, it is possible to this device regularly carries out pressure insulation experiment, it is ensured that its every fundamental test data qualifier。Compared with common metal assister bar, this invention has the advantage that the length increasing original manipulator's handle, has insulating properties and dielectric strength is high, dependable performance, moisture resistance easy keeping, portable, easy to use, volume is little, lightweight, operate simple and easy, mechanical strength is high, long service life, economy and durability。
The present invention is applicable to operation disconnecting link。
Accompanying drawing explanation
Fig. 1 is the structural representation of the insulation power assisted operation bar described in detailed description of the invention one。
Detailed description of the invention
Detailed description of the invention one: illustrate present embodiment with reference to Fig. 1, the insulation power assisted operation bar described in present embodiment, including primary insulation sleeve pipe 1, becket 2, protection eaves 3 and outer layer insulation sheath shrinkable sleeve 4；
One end of primary insulation sleeve pipe 1 is operating head; primary insulation sleeve pipe 1 overlaps intrinsic becket 2, protection eaves 3 and outer layer insulation sheath shrinkable sleeve 4 successively near one end of operating head; and becket 2, protection eaves 3 and outer layer insulation sheath shrinkable sleeve 4 are axially distributed, outer layer insulation sheath shrinkable sleeve 4 is by the other end protecting the eaves 3 side away from operating head to extend to primary insulation sleeve pipe 1。
Becket 2 has following effect:
1) increase mechanical strength, be unlikely to firmly excessive and cause primary insulation sleeve pipe 1 mouthful fracture。
2) position of outer layer insulation sheath shrinkable sleeve 4 is defined。
Protection eaves 3 has following effect:
1) insulation creep distance is increased。
2) restriction operator's hand position, it is prevented that hand that is that cause slides because of position is inaccurate when operating, it is simple to the operation of operator。
Detailed description of the invention two: present embodiment is that the insulation power assisted operation bar described in detailed description of the invention one is described further, in present embodiment, primary insulation sleeve pipe 1 is the sleeve pipe pressurizeed by epoxy resin and alkali-free glass fibre compound。
The insulation degree of the sleeve pipe of epoxy resin and alkali-free glass fibre compound is high, mechanicalness is strong。Primary insulation sleeve pipe 1 is alternatively pvc pipe or plastic tube etc., but all has a greatly reduced quality in mechanical strength and service life, as: it is easily deformed during high temperature, easy fracture during low temperature。Primary insulation sleeve pipe 1 can also adopt the metal tube scribbling insulating barrier, although mechanical strength is higher, but insulation effect is poor, and weight is big, is unfavorable for operation。
Epoxy resin has the advantage that mechanical property is high, and epoxy resin has very strong cohesiveness, and molecular structure is fine and close, so its mechanical property is higher than the universal thermosetting resin such as phenolic resin and unsaturated polyester (UP)；Adhesive force is strong；Cure shrinkage is little, and after solidification, change in volume is little；Good manufacturability；Low molecular weight volatile thing is not substantially produced during epoxy resin cure, so can low pressure molding or contact molded；Electrical insulating property is excellent, and epoxy resin is one of best kind of thermosetting resin dielectric performance；Good stability, chemical proof is excellent；Epoxy resin without the impurity such as alkali, salt is unlikely to deteriorate, and storage period is long；Curable epoxide thing has excellent chemical stability, and the performance of the medium corrosion such as it is alkaline-resisting, sour, salt is better than the thermosetting resin such as unsaturated polyester resin, phenolic resin；Epoxy resin cured product is tridimensional network, also resistant to the dipping of oils etc.。
Glass fibre is the Inorganic Non-metallic Materials of a kind of excellent performance, and advantage is good insulating, thermostability is strong, corrosion resistance good, mechanical strength is high, but shortcoming is that property is crisp, and wearability is poor。And after being combined with glass fibre by epoxy resin, except strengthening except insulation effect, also make the mechanical strength of whole primary insulation sleeve pipe be greatly improved。
Detailed description of the invention three: present embodiment is that the insulation power assisted operation bar described in detailed description of the invention one or two is described further, in present embodiment, protection eaves 3 protects eaves for crosslinked polyethylene。
Protection eaves 3 is alternatively polyethylene (PE) or eaves protected by polrvinyl chloride (PVC)。As protected eaves with polyethylene (PE); protect the environmental stress cracking resistance of eaves, resistance to corrosive chemicals energy, insulating properties all can have to a certain degree to decline; and adopt polrvinyl chloride (PVC) to protect eaves; although eaves can be protected to play identical insulating properties and humidity, ageing-resistant performance with crosslinked polyethylene (XLPE); but it in use temperature not can exceed that 60 DEG C; at low temperatures also can be hardening, Applicable temperature scope is only small。
Detailed description of the invention four: present embodiment is that the insulation power assisted operation bar described in detailed description of the invention one or two is described further, and in present embodiment, outer layer insulation sheath shrinkable sleeve 4 is crosslinked polyethylene sheath。
Crosslinked polyethylene has the advantage that heat resistance is good, and insulating properties are strong, and mechanical property, wearability and good impact resistance have higher hardness and rigidity, compensate for polyethylene and is subject to environmental stress and the shortcoming that chaps；Chemical-resistant characteristic: crosslinked polyethylene has stronger acid and alkali-resistance and oil resistivity, its combustion product is mainly water and carbon dioxide, and the harm of environment is less, and more wear-resisting as outermost sheath, feel is better。
Outer layer insulation sheath shrinkable sleeve is alternatively polyethylene (PE) or polrvinyl chloride (PVC) sheath。As with polyethylene (PE) sheath, the environmental stress cracking resistance of sheath, resistance to corrosive chemicals energy, insulating properties all can have and to a certain degree decline, and adopt polrvinyl chloride (PVC) sheath, although identical insulating properties and humidity, ageing-resistant performance can be played with crosslinked polyethylene (XLPE) sheath, but it in use temperature not can exceed that 60 DEG C, at low temperatures also can be hardening, Applicable temperature scope is only small。
Detailed description of the invention five: present embodiment is that the insulation power assisted operation bar described in detailed description of the invention one or two is described further, and in present embodiment, primary insulation sleeve pipe 1 is the insulated sleeve of 10kV, 35kV, 110kV or 220kV level。
Produce according to power system, run, safeguard the insulated sleeve needing to select different electric pressure。
Detailed description of the invention six: present embodiment is that the insulation power assisted operation bar described in detailed description of the invention one or two is described further, in present embodiment, the length of primary insulation sleeve pipe 1 is 47cm, external diameter be 32.10mm, internal diameter is 27.45mm。
Detailed description of the invention seven: present embodiment is that the insulation power assisted operation bar described in detailed description of the invention six is described further, in present embodiment, the length of outer layer insulation sheath shrinkable sleeve 4 is 43cm, external diameter be 33.60mm, internal diameter is 32.10mm。
Detailed description of the invention eight: present embodiment is that the insulation power assisted operation bar described in detailed description of the invention seven is described further, in present embodiment, the length of becket 2 is 12.60mm, external diameter be 36.60mm, internal diameter is 32.30mm。
Detailed description of the invention nine: present embodiment is that the insulation power assisted operation bar described in detailed description of the invention eight is described further, in present embodiment, the external diameter of protection eaves 3 is 83.25mm, internal diameter be 32.10mm, length is 8.60mm。
Claims (9)
1. insulation power assisted operation bar, it is characterised in that include primary insulation sleeve pipe (1), becket (2), protection eaves (3) and outer layer insulation sheath shrinkable sleeve (4)；
One end of primary insulation sleeve pipe (1) is operating head; primary insulation sleeve pipe (1) overlaps intrinsic becket (2), protection eaves (3) and outer layer insulation sheath shrinkable sleeve (4) successively near one end of operating head; and becket (2), protection eaves (3) and outer layer insulation sheath shrinkable sleeve (4) are axially distributed, outer layer insulation sheath shrinkable sleeve (4) is by the other end protecting the eaves (3) side away from operating head to extend to primary insulation sleeve pipe (1)。
2. insulation power assisted operation bar according to claim 1, it is characterised in that primary insulation sleeve pipe (1) is the sleeve pipe pressurizeed by epoxy resin and alkali-free glass fibre compound。
3. insulation power assisted operation bar according to claim 1 and 2, it is characterised in that protection eaves (3) protects eaves for crosslinked polyethylene。
4. insulation power assisted operation bar according to claim 1 and 2, it is characterised in that outer layer insulation sheath shrinkable sleeve (4) is crosslinked polyethylene sheath。
5. insulation power assisted operation bar according to claim 1 and 2, it is characterised in that the insulated sleeve that primary insulation sleeve pipe (1) is 10kV, 35kV, 110kV or 220kV level。
6. insulation power assisted operation bar according to claim 1 and 2, it is characterised in that the length of primary insulation sleeve pipe (1) is 47cm, external diameter be 32.10mm, internal diameter is 27.45mm。
7. insulation power assisted operation bar according to claim 6, it is characterised in that the length of outer layer insulation sheath shrinkable sleeve (4) is 43cm, external diameter be 33.60mm, internal diameter is 32.10mm。
8. insulation power assisted operation bar according to claim 7, it is characterised in that the length of becket (2) is 12.60mm, external diameter be 36.60mm, internal diameter is 32.30mm。
9. insulation power assisted operation bar according to claim 8, it is characterised in that the external diameter of protection eaves (3) is 83.25mm, internal diameter be 32.10mm, length is 8.60mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610200714.6A CN105702393A (en) | 2016-03-31 | 2016-03-31 | Insulated assisting operating rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610200714.6A CN105702393A (en) | 2016-03-31 | 2016-03-31 | Insulated assisting operating rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105702393A true CN105702393A (en) | 2016-06-22 |
Family
ID=56218994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610200714.6A Pending CN105702393A (en) | 2016-03-31 | 2016-03-31 | Insulated assisting operating rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105702393A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2253885Y (en) * | 1995-06-10 | 1997-05-07 | 襄樊电力设备厂 | Rain and moisture proof tool for hot-line work |
| CN2450766Y (en) * | 2000-11-16 | 2001-09-26 | 中国石油化工股份有限公司中原油田分公司采油五厂 | Insulation operating rod for hot-line work |
| US6521839B1 (en) * | 2001-09-17 | 2003-02-18 | Mitsubishi Denki Kabushiki Kaisha | Insulation-operating rod |
| CN204992411U (en) * | 2015-07-03 | 2016-01-20 | 国网山东商河县供电公司 | Layer coloured insulating bar can find range |
| CN205487781U (en) * | 2016-03-31 | 2016-08-17 | 国网黑龙江省电力有限公司哈尔滨供电公司 | Insulating helping hand action bars |
-
2016
- 2016-03-31 CN CN201610200714.6A patent/CN105702393A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2253885Y (en) * | 1995-06-10 | 1997-05-07 | 襄樊电力设备厂 | Rain and moisture proof tool for hot-line work |
| CN2450766Y (en) * | 2000-11-16 | 2001-09-26 | 中国石油化工股份有限公司中原油田分公司采油五厂 | Insulation operating rod for hot-line work |
| US6521839B1 (en) * | 2001-09-17 | 2003-02-18 | Mitsubishi Denki Kabushiki Kaisha | Insulation-operating rod |
| CN204992411U (en) * | 2015-07-03 | 2016-01-20 | 国网山东商河县供电公司 | Layer coloured insulating bar can find range |
| CN205487781U (en) * | 2016-03-31 | 2016-08-17 | 国网黑龙江省电力有限公司哈尔滨供电公司 | Insulating helping hand action bars |
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Legal Events
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160622 |