CN204067168U - The guider that a kind of cut device insulated tension pole pulls - Google Patents
The guider that a kind of cut device insulated tension pole pulls Download PDFInfo
- Publication number
- CN204067168U CN204067168U CN201420426369.4U CN201420426369U CN204067168U CN 204067168 U CN204067168 U CN 204067168U CN 201420426369 U CN201420426369 U CN 201420426369U CN 204067168 U CN204067168 U CN 204067168U
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- Prior art keywords
- kinematic link
- guider
- tension pole
- guide post
- insulated tension
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Links
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 239000010720 hydraulic oil Substances 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 6
- 239000004519 grease Substances 0.000 claims description 4
- 239000000314 lubricant Substances 0.000 claims description 4
- 238000000354 decomposition reaction Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 230000033001 locomotion Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 239000012212 insulator Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229920000715 Mucilage Polymers 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model belongs to electric device technical field, particularly relates to the guider that a kind of cut device insulated tension pole pulls.Comprising hydraulic mechanism, breaker body base and insulated tension pole, is be connected with breaker body base by connecting cylinder by working cylinder; The other end of the piston rod in working cylinder is connected with the kinematic link a in connecting cylinder, and the other end of kinematic link a is connected with kinematic link b by decomposing joint; Kinematic link b inserts to be connected in breaker body base by slipper seal and is connected with insulated connecting rod.Described is provided with guider on kinematic link a.Guide post in this device, guide way and guide rail arrange structure can realize between circumference location, stopped insulated tension pole mechanical property and changed because of revolving force, ensure that the fail safe of circuit breaker.Meanwhile, mechanically operated auxiliary switch, solves the leakage of oil of signal cylinder, the problem that should not overhaul.Its structure is simple, safe and reliable, and can save great amount of cost, safe and feasible.
Description
Technical field
The utility model belongs to electric device technical field, particularly relates to the guider that a kind of cut device insulated tension pole pulls.
Background technology
The factor of impact to voltage breaker actuation reliability is a lot, wherein High Voltage Circuit Breaker Contacts can closing to divide be exactly a key factor, and cause High Voltage Circuit Breaker Contacts cannot deciliter a kind of may be that insulated tension pole mechanical property in the operating mechanism to close point of control SF6 High Voltage Circuit Breaker Contacts there occurs sudden change.Electric power system repeatedly occurs because insulated tension pole generation length variations and fracture cause circuit breaker to break down.Wherein most importantly cause circuit breaker to open apart from reducing because insulation pull rod piecing loosens, and in moving process because of insufficient strength have produce pull may, even can cause and get loose completely, cause breaker fracture single-phasely to refuse point, cause open-phase operation.Time serious, static arc contact strikes the root of moving arcing contact, the closed circle of moving arcing contact is expanded, loses the striking function of arcing contact, make electric arc burn at main conductive circuit during separating brake, can cause circuit breaker blast.
Produced problem reason is that high pressure separating brake hydraulic oil sprays in working cylinder side when separating brake, produces a counter-rotating power when high speed piston is moved, and makes to rotate under counterclockwise moment loading during working cylinder piston high-speed motion.And two end connector cast assembly technologies of insulating bar are dispersed large, the bad control of casting quality, screw out under counterclockwise force effect due to insulation pull rod piecing when closing a floodgate, make insulated tension pole elongated thus reduce circuit breaker open distance, increase the overtravel of moving arcing contact.
Summary of the invention
The purpose of this utility model is for above-mentioned prior art Problems existing, propose the guider that a kind of cut device insulated tension pole pulls, specifically a kind of guider be arranged on citcuit-breaker transmission mechanism connecting rod, its objective is and can effectively overcome in the middle of circuit breaker open and close movement process, hydraulic mechanism produces insulated tension pole and rotates shear force.
The utility model for the technical scheme realizing above-mentioned utility model object and take is:
The guider that cut device insulated tension pole pulls, comprises hydraulic mechanism, breaker body base and insulated tension pole, and hydraulic mechanism is primarily of working cylinder, piston, hydraulic oil composition, and in working cylinder, be equipped with piston, piston is connected with piston rod.Specifically be connected with breaker body base by connecting cylinder by working cylinder; The other end of the piston rod in working cylinder is connected with the kinematic link a in connecting cylinder, and the other end of kinematic link a is connected with kinematic link b by decomposing joint; Kinematic link b inserts to be connected in breaker body base by slipper seal and is connected with insulated connecting rod.Described is provided with guider on kinematic link a, and described guider is connected with guide way by guide post one end, and can be free to slide along cotter way in guide way, and the guide post other end is connected with guide rail; Guide way is provided with change over switch.
Described guide post one end offers pin-and-hole a, and guide post is connected with guide way by pin a, and outer nut a is set in the end of pin a and is locked guide post by outer nut a screw thread; The guide post other end offers pin-and-hole b, and guide post to be connected with guide rail by pin b and to be locked by outer nut b, makes that circumference all can not occur between guide post and outer nut a and outer nut b and rotates.
Described decomposition joint is T-shaped shaft-like, is fixed by kinematic link a and kinematic link b by bolt, and upper end is the larger bar portion of cross section, and lower end is less bar portion, cross section.
Lubricant grease is filled with in cotter way in described guide way.
The advantage that the utility model has and good effect are:
Guide post described in the utility model device, guide way and guide rail arrange structure can realize between circumference location, overcome the rotation shear force that piston produces when high-speed motion, insulated tension pole is not rotated in motion process, stop insulated tension pole mechanical property to change because of revolving force, ensure that the fail safe of circuit breaker.
Meanwhile, the utility model eliminates the signal cylinder in conventional hydraulic mechanism, and auxiliary switch changes machine driving into by hydraulic-driven, solves the leakage of oil of signal cylinder, the problem that should not overhaul.Its structure is simple, safe and reliable, and can save great amount of cost, can transform separately when motionless body, safe and feasible to existing circuit breaker to mechanism.
Below in conjunction with the drawings and specific embodiments, to the utility model further detailed description in addition.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the front view of guide way in Fig. 1;
Fig. 3 is the front view of guide post in Fig. 1;
Fig. 4 is the right view of pin in Fig. 2;
Fig. 5 is the front view of outer nut.
In figure: insulated tension pole 1, support insulator 2, SF6 gas 3, decomposes joint 4, guide way 5, closing position 6, open position 7, working cylinder 8, piston rod 9, hydraulic oil 10, piston 11, kinematic link a12, guide rail 13, connecting cylinder 14, slipper seal 15, breaker body base 16, outer silk nut 17, guide post 18, kinematic link b19, anaerobic adhesive 20, pin a21, outer nut a22, cotter way 23, pin-and-hole a24, pin b25, outer nut b26, pin-and-hole b27, lubricant grease 28.
Embodiment
For utility model content of the present utility model, Characteristic can be understood further, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows.
The utility model is the guider that a kind of cut device insulated tension pole pulls, as shown in Fig. 1 ~ Fig. 5, the utility model is the technological improvement carried out on the basis of existing hydraulic mechanism, add guider, eliminate the signal cylinder in conventional hydraulic mechanism, auxiliary switch changes machine driving into by hydraulic-driven.
Specifically comprise hydraulic mechanism, guider, connecting cylinder 14 and insulated tension pole 1.Wherein hydraulic mechanism forms primarily of working cylinder 8, piston 11, hydraulic oil 10, is equipped with piston 11 in working cylinder 8, and piston 11 is connected with piston rod 9
,piston 11 drives piston rod 9 to move in the change of hydraulic oil about 10 pressure reduction.Working cylinder 8 is firmly connected with breaker body base 16 by connecting cylinder 14.Breaker body base 16 is provided with support insulator 2, support insulator 2 inside is full of SF6 gas 3.SF6 gas 3 plays the effect of insulation arc extinguishing.
Kinematic link a12 one end is connected with piston rod 9, and kinematic link a12 is provided with guider, and the counter-rotating power of generation when being used for overcoming high speed piston motion, avoids rotating under counterclockwise moment loading during working cylinder piston high-speed motion.
The other one end of kinematic link a12 is connected with kinematic link b19 with by decomposing joint 4, and decomposing joint 4 is T oblique crank Z shape, is fixed by kinematic link a12 and kinematic link b19 by bolt.Upper end is the larger bar portion of cross section, and lower end is less bar portion, cross section, and kinematic link b19 is inserted in breaker body base 16 by slipper seal 15, and is connected with insulated connecting rod 1 by outer silk nut 17.Be filled with anaerobic adhesive 20 in silk nut 17 outside, fully ensure that insulated tension pole 1 and outer silk nut 17 mucilage binding are reliable.
The utility model is connected with breaker body base 16 by connecting cylinder 14 by working cylinder 8; The other end of the piston rod 9 in working cylinder 8 is connected with the kinematic link a12 in connecting cylinder 14, and the other end of kinematic link a12 is connected with kinematic link b19 by decomposing joint 4; Kinematic link b19 inserts to be connected in breaker body base 16 by slipper seal 15 and is connected with insulated connecting rod 1.Described is provided with guider on kinematic link a12, and guider described in the utility model comprises guide way 5, guide rail 13 and guide post 18.Wherein guide post 18 one end is connected with guide way 5, and can be free to slide along cotter way 23 in guide way 5, and guide post 18 other end is fixedly connected with guide rail 13.Guide way 5 is provided with one group of change over switch, detects circuit breaker folding position with this, eliminate conventional circuit breaker signal cylinder simultaneously.In cotter way 23, be filled with lubricant grease, jam can be avoided in guide post 18 horizontal movement process.
Cotter way 23 is offered in the middle part of described guide way 5, guide post 18 one end offers pin-and-hole a24, guide post 18 is connected with guide way 5 by pin a21, and outer nut a22 is set in the end of pin a21 and is locked guide post 18 by outer nut a22 screw thread.Guide post 18 other end offers pin-and-hole b27, and guide post 18 to be connected with guide rail 13 by pin b25 and to be locked by outer nut b26.Make that circumference (clockwise or counterclockwise) all can not occur between guide post 18 and outer nut a22 and outer nut b26 to rotate, thus make insulated tension pole 1 in circuit breaker deciliter process, overcome the impact of revolving force and can not rotate.
During enforcement, the utility model device is arranged on the exit of the piston rod of circuit breaker working cylinder.
Turn in open position 7 process at circuit breaker by closing position 6, in working cylinder, hydraulic oil is changed by pressure reduction, promote piston 11 to move downward, piston 11 drives piston rod 9 and kinematic link a12 and the guide way 5 be installed on kinematic link a12 synchronously to move downward, now guide post 18 can along with downward active force in cotter way 23 level to left movement, in motion process, guide post 18 other end is fixed on guide rail 13, but can freely rotate.This kind of structure has carried out circumferential location to kinematic link a12, and the revolving force that piston 11 is brought can not upwards be delivered to insulated tension pole 1 with kinematic link a12, ensures that the parts in insulated tension pole 1 and drive system do not bear the effect of revolving force.
Turn in open position 6 process at circuit breaker by closing position 7, guide post 18 can along with active force upwards in cotter way 23 level move right, in motion process, guide post 18 other end is fixed on guide rail 13, but can freely rotate.This kind of structure has carried out circumferential location to kinematic link a12 equally, and the revolving force that piston 11 is brought can not upwards be delivered to insulated tension pole 1 with kinematic link a12, ensures that the parts in insulated tension pole 1 and drive system do not bear the effect of revolving force.
Claims (4)
1. the guider that pulls of a cut device insulated tension pole, comprise hydraulic mechanism, breaker body base (16) and insulated tension pole (1), hydraulic mechanism is primarily of working cylinder (8), piston (11), hydraulic oil (10) composition, in working cylinder (8), be equipped with piston (11), piston (11) is connected with piston rod (9); It is characterized in that:
Working cylinder (8) is connected with breaker body base (16) by connecting cylinder (14); The other end and the kinematic link a(12 in connecting cylinder (14) of the piston rod (9) in working cylinder (8)) be connected, kinematic link a(12) the other end by decomposing joint (4) and kinematic link b(19) be connected; Kinematic link b(19) to be inserted by slipper seal (15) and be connected in breaker body base (16) and be connected with insulated connecting rod (1);
Described at kinematic link a(12) on be provided with guider, described guider is connected with guide way (5) by guide post (18) one end, and can be free to slide along cotter way (23) in guide way (5), guide post (18) other end is connected with guide rail (13); Guide way (5) is provided with change over switch.
2. the guider that pulls of a kind of cut device insulated tension pole according to claim 1, it is characterized in that: described guide post (18) one end offers pin-and-hole a(24), guide post (18) is by pin a(21) be connected with guide way (5), outer nut a(22) be set in pin a(21) and end and by outer nut a(22) screw thread locks guide post (18); Guide post (18) other end offers pin-and-hole b(27), guide post (18) is by pin b(25) be connected with guide rail (13) and pass through outer nut b(26) lock, make guide post (18) and outer nut a(22) and outer nut b(26) between all can not occur circumference rotate.
3. the guider that pulls of a kind of cut device insulated tension pole according to claim 1, it is characterized in that: described decomposition joint (4) is T-shaped shaft-like, by bolt by kinematic link a(12) and kinematic link b(19) fixing, upper end is the larger bar portion of cross section, and lower end is less bar portion, cross section.
4. the guider that pulls of a kind of cut device insulated tension pole according to claim 1, is characterized in that: be filled with lubricant grease in the cotter way (23) in described guide way (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420426369.4U CN204067168U (en) | 2014-07-31 | 2014-07-31 | The guider that a kind of cut device insulated tension pole pulls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420426369.4U CN204067168U (en) | 2014-07-31 | 2014-07-31 | The guider that a kind of cut device insulated tension pole pulls |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204067168U true CN204067168U (en) | 2014-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420426369.4U Active CN204067168U (en) | 2014-07-31 | 2014-07-31 | The guider that a kind of cut device insulated tension pole pulls |
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| Country | Link |
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| CN (1) | CN204067168U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104167324A (en) * | 2014-07-31 | 2014-11-26 | 国家电网公司 | Guiding device for preventing insulation pull rod of breaker from being pulled off |
| CN104637634A (en) * | 2015-02-04 | 2015-05-20 | 江苏神马电力股份有限公司 | Guide device and insulator with operation rod |
| CN112002599A (en) * | 2020-09-10 | 2020-11-27 | 合肥言臻科技有限公司 | Eddy repulsion permanent magnet mechanism for driving vacuum circuit breaker |
-
2014
- 2014-07-31 CN CN201420426369.4U patent/CN204067168U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104167324A (en) * | 2014-07-31 | 2014-11-26 | 国家电网公司 | Guiding device for preventing insulation pull rod of breaker from being pulled off |
| CN104167324B (en) * | 2014-07-31 | 2016-06-22 | 国家电网公司 | The guider that a kind of cut device insulated tension pole pulls |
| CN104637634A (en) * | 2015-02-04 | 2015-05-20 | 江苏神马电力股份有限公司 | Guide device and insulator with operation rod |
| CN104637634B (en) * | 2015-02-04 | 2017-06-13 | 江苏神马电力股份有限公司 | Guider and the insulator with control stick |
| CN112002599A (en) * | 2020-09-10 | 2020-11-27 | 合肥言臻科技有限公司 | Eddy repulsion permanent magnet mechanism for driving vacuum circuit breaker |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |