CN102324339A - Electrified railway switching equipment - Google Patents
Electrified railway switching equipment Download PDFInfo
- Publication number
- CN102324339A CN102324339A CN201110300239A CN201110300239A CN102324339A CN 102324339 A CN102324339 A CN 102324339A CN 201110300239 A CN201110300239 A CN 201110300239A CN 201110300239 A CN201110300239 A CN 201110300239A CN 102324339 A CN102324339 A CN 102324339A
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- CN
- China
- Prior art keywords
- electric railway
- handcart
- guide rail
- circuit breaker
- breaker
- 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.)
- Granted
Links
- 238000012360 testing method Methods 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 238000010791 quenching Methods 0.000 claims description 6
- 230000000171 quenching effect Effects 0.000 claims description 6
- 230000008033 biological extinction Effects 0.000 claims description 4
- 239000004593 Epoxy Substances 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 239000012212 insulator Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 2
- 238000007689 inspection Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001141 propulsive effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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Abstract
The invention relates to electrified railway switching equipment. The electrified railway switching equipment comprises a guide rail framework and a circuit breaker handcart, wherein the guide rail framework comprises a guide rail base and a facade mounting bracket; the circuit breaker handcart comprises a propulsion cart and a carrying cart; and an electrified railway vacuum circuit breaker, a current transformer and a primary moving contact are arranged on the propulsion cart. With the adoption of a landing handcart in the electrified railway switching equipment, the handcart runs on a special rail and has a reliable interlocking function; in the moving process of the handcart, the circuit breaker cannot be switched on, and the handcart cannot be pushed and pulled when the circuit breaker is switched on; and when the handcart moves from a testing position to a working position, the meshing of moving and fixed contacts is realized through a propulsion mechanism on an operation panel.
Description
Technical field
The present invention relates to the mesolow electric equipment and make the field, relate in particular to a kind of electric railway switchgear.
Background technology
Sustainable development along with China's economic; The railway transportation is being brought into play more and more positive effect in the important means of Chinese transportation transportation; And in following a period of time, Chinese railway construction will get into golden period, as the controller switching equipment of electric railway; Also, face the vigorous day by day situation of the market demand along with the arrival on railway construction peak.
Interior distribution equipment in railway dragging electric substation adopts 27.5kV withdraw-type ac metal closing switch gear at interval in a large number, and present interval withdraw-type ac metal closing switch gear price is higher, and the short of reliable interlock.
Summary of the invention
The objective of the invention is to have proposed a kind of electric railway switchgear, reliable interlock is provided, and cost is lower.
For realizing above-mentioned purpose; Embodiments of the invention provide a kind of electric railway vacuum circuit-breaker; Said electric railway vacuum circuit-breaker comprises continuous vacuum interrupter and spring operating mechanism, the single-stage that the constitutes one arc quenching chamber structure that singly goes out, and singly the go out framework of arc quenching chamber structure of said single-stage is the handcart-type framework; Said vacuum extinction device adopts vertical mounting structure; Said spring operating mechanism comprises combined floodgate spring and the sluice separating spring that adopts semiaxis dropout mode, and said combined floodgate spring is extension spring, and said sluice separating spring is a stage clip.
For realizing above-mentioned purpose; Embodiments of the invention provide a kind of electric railway switchgear that comprises the electric railway vacuum circuit-breaker; Said electric railway switchgear comprises guide rail frame and circuit breaker cart; Said guide rail frame comprises the mounting bracket of guiderail base and facade, and said circuit breaker cart comprises propelling car and carrier loader, and said electric railway vacuum circuit-breaker, current transformer and a moving contact are housed on said propelling car.
Further; Said guide rail frame is fixed on ground and wall; Said mounting bracket is provided with two branched epoxy insulators up and down; Be equipped with respectively at said epoxy resins insulation and isolate fixed contact and copper busbar row, the base portion of said guide rail frame contain handcart walking guide rail and handcart locate usefulness in length and breadth to the latch base.
Further, said base portion also is equiped with earthy fixed contact and relevant device.
Further, the left and right side of said circuit breaker cart is provided with alignment pin and the pin hole of fixing said circuit breaker cart in test position and service position.
Further, said propelling car also comprises copper bar and the interlock device that connects said electric railway vacuum circuit-breaker, current transformer and a moving contact.
Further, the control frame of said propelling car is provided with the manipulation crank, passes through the square shaft transmission between said propelling car and the said carrier loader.
Further, the rear end of said carrier loader is provided with two columns, on said two columns, interlocking device and transmission mechanism is housed, and on said two columns rotating go-cart handgrip is housed also.
Therefore, the mode of handcart is landed in the employing among the present invention, and handcart goes on dedicated track; And handcart possesses interlock reliably; Circuit breaker can not close a floodgate in the handcart moving process, and when circuit breaker is in "on" position, can not the push-and-pull handcart; Move to the service position and work as handcart from test position, realize the engagement of dynamic/static contact through the propulsive mechanism on the guidance panel.
Through accompanying drawing and embodiment, technical scheme of the present invention is done further detailed description below.
Description of drawings
Fig. 1 is the structural representation of an embodiment of the complete set of equipments of electric railway switchgear of the present invention.
Embodiment
As shown in Figure 1, be the structural representation of an embodiment of electric railway switchgear of the present invention.In the present embodiment; The electric railway vacuum circuit-breaker comprises continuous vacuum interrupter and spring operating mechanism, the single-stage that the constitutes one arc quenching chamber structure that singly goes out, and singly the go out framework of arc quenching chamber structure of said single-stage is the handcart-type framework; Said vacuum extinction device adopts vertical mounting structure; Said spring operating mechanism comprises combined floodgate spring and the sluice separating spring that adopts semiaxis dropout mode, and said combined floodgate spring is extension spring, and said sluice separating spring is a stage clip.When closing a floodgate, sluice separating spring is carried out energy storage, and adopt semiaxis dropout mode to guarantee that its mechanism performance is stable, reliable, the life-span is long.Be convenient maintenance simultaneously, mechanism case can directly be opened from front panel.The shell of vacuum interrupter can adopt ceramic material, and the gas pressure that vacuum extinction is indoor should be lower than 1.33 * 10-3Pa.
Handcart type vacuum circuit breaker possesses following interlock: have only when the railway circuit breaker is in gate-dividing state, can the railway circuit breaker cart be pushed the service position from test position, or be retracted to test position from the service position.Have only when the railway circuit breaker cart after _ T makes position or test position and puts in place fully, could carry out breaking-closing operating to the railway circuit breaker.The metal shell of vacuum circuit-breaker should be connected with grounding system, and the handcart grounding contact that passes through of handcart-type links to each other with ground connection row.Should there be tangible ground connection sign at the ground connection place.
Switchgear in Fig. 1 comprises guide rail frame and circuit breaker cart; Said guide rail frame comprises the mounting bracket 1 of guiderail base 9 and facade; Said circuit breaker cart comprises and advances car 5 and carrier loader 4, and said electric railway vacuum circuit-breaker 3, current transformer 10 and a moving contact are housed on said propelling car 5.The advantage of the switchgear of this handcart-type is that structure interchangeability is good, and is convenient, fast to the maintenance and inspection of equipment on the processing of accident and the rival car.
Guide rail frame is fixed on ground and wall; Said mounting bracket is provided with two branched epoxy insulators up and down; Be equipped with respectively at said epoxy resins insulation and isolate fixed contact and copper busbar row, the base portion of said guide rail frame contain handcart walking guide rail and handcart locate usefulness in length and breadth to the latch base.Said base portion also can be installed earthy fixed contact and relevant device.
The left and right side of circuit breaker cart can be provided with alignment pin and the pin hole of fixing said circuit breaker cart in test position and service position.This structure can not cause misoperation.
Advance car also to comprise copper bar and the interlock device that connects said electric railway vacuum circuit-breaker, current transformer and a moving contact.Advancing handcart is wheel to be housed make it on drive apparatus and the guide rail to advance and pull out in prescribed direction and distance by advancing on the carrier loader, thereby when realizing the service position, one-time contact inserts; When test position, contact withdraws from.In addition, must on the control frame of carrier loader, open manipulation crank jack with key when advancing the car operation, stir interlock device at the same time circuit breaker can not be closed a floodgate, when delivering to the service position, crank taken off, key lock can closing operation.
Advance the control frame of car to be provided with the manipulation crank, pass through the square shaft transmission between said propelling car and the said carrier loader.The rear end of carrier loader is provided with two columns, on said two columns, interlocking device and transmission mechanism is housed, and on said two columns rotating go-cart handgrip is housed also.The go-cart handgrip can turn an angle, and makes the alignment pin of car both sides from the pin-and-hole of framework, extract or insert through connecting rod equipment.Interlocking device is with key (promptly advance on the car circuit breaker interlock device and the transmission mechanism crank way is opened or closed through square shaft control), and two end positions of key turns (being service position and test position) have centering spring to guarantee that the stable of its position do not disturbed by external force.Power transmission shaft on the transmission mechanism of carrier loader is to be driven by crank beam warp four connecting rods that are contained in the interlocking device; This power transmission shaft promotes to advance on the car connecting rod axle bed to make together with advancing car to form slider-rocker mechanism that to postpone roping before advancing car to realize moving respectively through the connecting lever connecting rod, has also realized in the service position, the "on" position handcart can not be pulled release, avoids personnel's misoperation.End positions guarantees that because of stabilizing equipment in having reason is not left by effects such as external force such as electric power before and after it.
When circuit breaker is in gate-dividing state, could operate handcart.For avoiding misoperation, between circuit breaker and the propelling car mechanical interlocking is arranged, this interlocking is controlled by the key that carrier loader is attend interlocking device.Advance the motion of car on carrier loader controlled equally, and the location of carrier loader on guide rail frame is also controlled, restricts each other to guarantee that operation in order therebetween.
When circuit breaker was in gate-dividing state, (key inserts counterclockwise changeed 90 to open crank way with key.) will advance car to shake foremost position, push away carrier loader forward to the service position (being prelocalization pin hand-hole).Rotating left and right handles (be inserted to inserted link the next because of key this moment) simultaneously makes connecting rod that the both sides pin is inserted guide rail frame pin-and-hole, so far carrier loader positioned.Stir close a floodgate interlocking because of key makes square shaft this moment, can not close a floodgate.
Make with crank to advance car to shake after an insulating contact is inserted in the service position to pull up crank, the key wraparound resets and takes off (note necessarily pulling up earlier crank after ability key), and crank way is closed.The interlocking that closes a floodgate is freed, and the braking of inserted link rising carrier loader handgrip can not be rotated, and the side alignment pin can not withdraw from.This moment, circuit breaker can normal deciliter.
After getting into operating state, like need handcart is pulled out, then make breaker open operation earlier, untie the handcart braking with key, open crank way, mention interlocking device, will advance car to withdraw from, then one-time contact separately.Again carrier loader is moved to the position, back even withdrawed from guide rail.Pull up secondary plug to guarantee handling safety earlier before it should be noted that this operation.
Must check before installation whether building parts such as basis, ground, the wall base are installed are qualified.Check the correctness of lower margin construction, the flatness on inspection foundation surface and wall base surface is not more than 3mm, and the moisture in the soil base is not more than 2mm up and down to the perpendicularity of ground.Guide rail frame is installed and must handcart be pushed whether insulating contact of inspection in the guide rail aligns and the interchangeability of similar handcart.Should be to circuit breaker by the inspection and necessary adjustment of manufactory's operation instructions.Guide rail frame also should connect earth connection; Primary line connects, and lays the secondary control cable.
Before operation, to align, guarantee all fingertips of fixed contact and the complete interlock of moving contact an insulating contact.Handcart is when the service position, and once dynamic and static contact insertion depth should guarantee 34 ± 3mm.Before handcart pushed guide rail, circuit breaker should be in gate-dividing state, and the key that turns clockwise makes crank way open (key is vertical); And after handcart is pushed to guide rail, advance handle to put in place, and confirm to be completely fixed under the delivery to inner rotary; Be rotated counterclockwise key (key level) and take off, this moment, handcart was positioned at test position, shook to advance car to the service position again; After dynamic and static contact is inserted firmly, pull up crank cycle key and take off; And the operation that handcart withdraws from from the service position must be that circuit breaker is in after the gate-dividing state, with key crank way is opened earlier and is made to interlock and lift, in order to avoid close a floodgate.Insert crank again, advancing car to be withdrawn into test position.Withdraw from like the need carrier loader, can directly rotate handgrip, the receding side alignment pin, the carrier loader pulling is retreated.
Aspect operation, maintenance and maintenance; Mechanical interlocking requires accurately and reliably; Should should not check as usual whether the set bolt of an insulating contact is loosening, and whether the end breaks phenomenon during breaker closing because of the vibrations separating brake of mechanical interlocking; Whether the insertion depth of moving contact and contact be correct, and whether the contact site of grounding contact cleans. and be flexible coupling and whether damage etc.
Should be noted that at last: above embodiment is only in order to technical scheme of the present invention to be described but not to its restriction; Although with reference to preferred embodiment the present invention has been carried out detailed explanation, the those of ordinary skill in affiliated field is to be understood that: still can specific embodiments of the invention make amendment or the part technical characterictic is equal to replacement; And not breaking away from the spirit of technical scheme of the present invention, it all should be encompassed in the middle of the technical scheme scope that the present invention asks for protection.
Claims (8)
1. an electric railway vacuum circuit-breaker is characterized in that, said electric railway vacuum circuit-breaker comprises continuous vacuum interrupter and spring operating mechanism; The single-stage that the constitutes one arc quenching chamber structure that singly goes out; Singly the go out framework of arc quenching chamber structure of said single-stage is the handcart-type framework, and said vacuum extinction device adopts vertical mounting structure, and said spring operating mechanism comprises combined floodgate spring and the sluice separating spring that adopts semiaxis dropout mode; Said combined floodgate spring is extension spring, and said sluice separating spring is a stage clip.
2. electric railway switchgear that comprises the described electric railway vacuum circuit-breaker of claim 1; It is characterized in that; Said electric railway switchgear comprises guide rail frame and circuit breaker cart; Said guide rail frame comprises the mounting bracket of guiderail base and facade, and said circuit breaker cart comprises propelling car and carrier loader, and said electric railway vacuum circuit-breaker, current transformer and a moving contact are housed on said propelling car.
3. electric railway switchgear according to claim 2; It is characterized in that; Said guide rail frame is fixed on ground and wall; Said mounting bracket is provided with up and down two branched epoxy insulators, be equipped with respectively at said epoxy resins insulation and isolate fixed contact and copper busbar row, the base portion of said guide rail frame contain handcart walking guide rail and handcart locate usefulness in length and breadth to the latch base.
4. electric railway switchgear according to claim 3 is characterized in that said base portion also is equiped with earthy fixed contact and relevant device.
5. electric railway switchgear according to claim 2 is characterized in that, the left and right side of said circuit breaker cart is provided with alignment pin and the pin hole of fixing said circuit breaker cart in test position and service position.
6. electric railway switchgear according to claim 2 is characterized in that, said propelling car also comprises copper bar and the interlock device that connects said electric railway vacuum circuit-breaker, current transformer and a moving contact.
7. electric railway switchgear according to claim 2 is characterized in that the control frame of said propelling car is provided with the manipulation crank, passes through the square shaft transmission between said propelling car and the said carrier loader.
8. electric railway switchgear according to claim 2 is characterized in that, the rear end of said carrier loader is provided with two columns, on said two columns, interlocking device and transmission mechanism is housed, and on said two columns rotating go-cart handgrip is housed also.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110300239.7A CN102324339B (en) | 2011-09-28 | 2011-09-28 | Electrified railway switching equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110300239.7A CN102324339B (en) | 2011-09-28 | 2011-09-28 | Electrified railway switching equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102324339A true CN102324339A (en) | 2012-01-18 |
| CN102324339B CN102324339B (en) | 2014-04-16 |
Family
ID=45452058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110300239.7A Active CN102324339B (en) | 2011-09-28 | 2011-09-28 | Electrified railway switching equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102324339B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106415960A (en) * | 2014-05-21 | 2017-02-15 | 三菱电机株式会社 | Circuit breaker with arc eliminator and power receiving/distributing equipment using same |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2872576Y (en) * | 2005-08-02 | 2007-02-21 | 温州益坤电气有限公司 | Vacuum circuit breaker of permanent-magnet mechanism in railway |
| CN200956331Y (en) * | 2006-09-29 | 2007-10-03 | 李锐帮 | High-voltage vacuum circuit breaker spring operating mechanism |
| CN101549655A (en) * | 2009-04-29 | 2009-10-07 | 宁波甬新东方电气有限公司 | Outdoor 2 multiply 27.5 kV solid-sealing vacuum modular device of electrified railway |
| CN201514888U (en) * | 2009-09-29 | 2010-06-23 | 常州市明及电气技术开发有限公司 | Railway single-phase breaker |
| CN201663095U (en) * | 2010-04-09 | 2010-12-01 | 山东泰开成套电器有限公司 | Vacuum circuit breaker for railway electrification |
| CN201733003U (en) * | 2009-12-03 | 2011-02-02 | 江苏大全高压开关有限公司 | Single-pole vacuum circuit breaker handcart |
| CN202307666U (en) * | 2011-09-28 | 2012-07-04 | 北京美基机电设备有限公司 | Electrified railway vacuum breaker and electrified railway switch apparatus |
-
2011
- 2011-09-28 CN CN201110300239.7A patent/CN102324339B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2872576Y (en) * | 2005-08-02 | 2007-02-21 | 温州益坤电气有限公司 | Vacuum circuit breaker of permanent-magnet mechanism in railway |
| CN200956331Y (en) * | 2006-09-29 | 2007-10-03 | 李锐帮 | High-voltage vacuum circuit breaker spring operating mechanism |
| CN101549655A (en) * | 2009-04-29 | 2009-10-07 | 宁波甬新东方电气有限公司 | Outdoor 2 multiply 27.5 kV solid-sealing vacuum modular device of electrified railway |
| CN201514888U (en) * | 2009-09-29 | 2010-06-23 | 常州市明及电气技术开发有限公司 | Railway single-phase breaker |
| CN201733003U (en) * | 2009-12-03 | 2011-02-02 | 江苏大全高压开关有限公司 | Single-pole vacuum circuit breaker handcart |
| CN201663095U (en) * | 2010-04-09 | 2010-12-01 | 山东泰开成套电器有限公司 | Vacuum circuit breaker for railway electrification |
| CN202307666U (en) * | 2011-09-28 | 2012-07-04 | 北京美基机电设备有限公司 | Electrified railway vacuum breaker and electrified railway switch apparatus |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106415960A (en) * | 2014-05-21 | 2017-02-15 | 三菱电机株式会社 | Circuit breaker with arc eliminator and power receiving/distributing equipment using same |
| US10381824B2 (en) | 2014-05-21 | 2019-08-13 | Mitsubishi Electric Corporation | Circuit breaker with arc eliminator and power receiving/distributing equipment using same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102324339B (en) | 2014-04-16 |
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| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Electrified railway switching equipment Effective date of registration: 20140902 Granted publication date: 20140416 Pledgee: Beijing technology intellectual property financing Company limited by guarantee Pledgor: Beijing Maxell Machinery & Electronic Equipment Co., Ltd. Registration number: 2014990000727 |
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Date of cancellation: 20151104 Granted publication date: 20140416 Pledgee: Beijing technology intellectual property financing Company limited by guarantee Pledgor: Beijing Maxell Machinery & Electronic Equipment Co., Ltd. Registration number: 2014990000727 |
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| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Electrified railway switching equipment Effective date of registration: 20151111 Granted publication date: 20140416 Pledgee: Beijing technology intellectual property financing Company limited by guarantee Pledgor: Beijing Maxell Machinery & Electronic Equipment Co., Ltd. Registration number: 2015990000987 |
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| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20180214 Granted publication date: 20140416 Pledgee: Beijing technology intellectual property financing Company limited by guarantee Pledgor: Beijing Maxell Machinery & Electronic Equipment Co., Ltd. Registration number: 2015990000987 |