CN102324339B - Electrified railway switching equipment - Google Patents
Electrified railway switching equipment Download PDFInfo
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- CN102324339B CN102324339B CN201110300239.7A CN201110300239A CN102324339B CN 102324339 B CN102324339 B CN 102324339B CN 201110300239 A CN201110300239 A CN 201110300239A CN 102324339 B CN102324339 B CN 102324339B
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- handcart
- switching equipment
- circuit breaker
- guide rail
- electrified railway
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- 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
- 239000012212 insulator 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
- 238000002955 isolation Methods 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 238000004146 energy storage Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 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
- 238000007689 inspection Methods 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
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process 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 mesolow electric equipment and manufacture field, relate in particular to a kind of Electrified railway switching equipment.
Background technology
Sustainable development along with China's economic, 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, China's railway construction will enter golden period, controller switching equipment as electric railway, also along with the arrival on railway construction peak, face the situation that the market demand is day by day vigorous.
Interior distribution equipment in railway dragging electric substation adopts 27.5kV interval withdraw-type ac metal closing switch gear in a large number, and current interval withdraw-type ac metal closing switch gear price is higher, and lacks reliable interlock.
Summary of the invention
The object of the invention is to have proposed a kind of Electrified railway switching equipment, provide reliable interlock, and cost is lower.
For achieving the above object, embodiments of the invention provide a kind of electric railway vacuum circuit-breaker, described electric railway vacuum circuit-breaker comprises connected vacuum interrupter and spring operating mechanism, the single-stage list the being integrally formed arc quenching chamber structure that goes out, the go out framework of arc quenching chamber structure of described single-stage list is handcart-type framework, described vacuum extinction device adopts longitudinal mounting structure, described spring operating mechanism comprises combined floodgate spring and the sluice separating spring that adopts semiaxis dropout mode, described combined floodgate spring is extension spring, and described sluice separating spring is stage clip.
For achieving the above object, embodiments of the invention provide a kind of Electrified railway switching equipment that comprises electric railway vacuum circuit-breaker, described Electrified railway switching equipment comprises guide rail frame and circuit breaker cart, described guide rail frame comprises the mounting bracket of guiderail base and facade, described circuit breaker cart comprises propelling car and carrier loader, and described electric railway vacuum circuit-breaker, current transformer and a moving contact are housed on described propelling car.
Further, described guide rail frame is fixed on ground and wall, described mounting bracket is provided with upper and lower two branched epoxy insulators, at described epoxy resin insulator, isolation fixed contact and copper busbar row is housed respectively, the base portion of described guide rail frame contain handcart walking guide rail and handcart location use in length and breadth to pin base.
Further, described base portion is also equiped with earthy fixed contact and relevant device.
Further, the left and right side of described circuit breaker cart is provided with fixing described circuit breaker cart at alignment pin and the pin hole of test position and service position.
Further, described propelling car also comprises copper bar and the interlock device that connects described electric railway vacuum circuit-breaker, current transformer and a moving contact.
Further, the control frame of described propelling car is provided with manipulation crank, passes through square shaft transmission between described propelling car and described carrier loader.
Further, the rear end of described carrier loader is provided with two columns, on described two columns, interlocking device and transmission mechanism is housed, and on described two columns, rotating go-cart handgrip is also housed.
Therefore, the mode of handcart is landed in employing in the present invention, handcart travels in dedicated track, and handcart possesses interlock reliably, in handcart moving process, circuit breaker can not close a floodgate, and when circuit breaker is during in "on" position, can not push-and-pull handcart, and work as handcart, from test position, move to service position, by the propulsive mechanism on guidance panel, realize the engagement of dynamic/static contact.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of the complete set of equipments of Electrified railway switching equipment of the present invention.
Embodiment
As shown in Figure 1, be the structural representation of an embodiment of Electrified railway switching equipment of the present invention.In the present embodiment, electric railway vacuum circuit-breaker comprises connected vacuum interrupter and spring operating mechanism, the single-stage list the being integrally formed arc quenching chamber structure that goes out, the go out framework of arc quenching chamber structure of described single-stage list is handcart-type framework, described vacuum extinction device adopts longitudinal mounting structure, described spring operating mechanism comprises combined floodgate spring and the sluice separating spring that adopts semiaxis dropout mode, and described combined floodgate spring is extension spring, and described sluice separating spring is stage clip.When closing a floodgate, sluice separating spring is carried out to energy storage, and adopt semiaxis dropout mode to guarantee that its mechanism performance is stable, reliable, the life-span is long.For convenience of maintenance, mechanism case can directly be opened from front panel simultaneously.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: only have when railway circuit breaker is in gate-dividing state, railway circuit breaker cart can be pushed to service position from test position, or be retracted to test position from service position.Only have when railway circuit breaker cart is after _ T makes position or test position and puts in place completely, could carry out breaking-closing operating to 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 is connected with earthing bar.Should there be obvious ground connection sign at ground connection place.
Switchgear in Fig. 1 comprises guide rail frame and circuit breaker cart, described guide rail frame comprises the mounting bracket 1 of guiderail base 9 and facade, described circuit breaker cart comprises propelling car 5 and carrier loader 4, and described electric railway vacuum circuit-breaker 3, current transformer 10 and a moving contact are housed on described propelling car 5.The advantage of the switchgear of this handcart-type is that structure interchangeability is good, convenient, fast to the maintenance and inspection of equipment on the processing of accident and rival car.
Guide rail frame is fixed on ground and wall, described mounting bracket is provided with upper and lower two branched epoxy insulators, at described epoxy resin insulator, isolation fixed contact and copper busbar row is housed respectively, the base portion of described guide rail frame contain handcart walking guide rail and handcart location use in length and breadth to pin base.Described 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 fixing described circuit breaker cart at alignment pin and the pin hole of test position and service position.This structure can not cause misoperation.
Advance car also to comprise copper bar and the interlock device that connects described electric railway vacuum circuit-breaker, current transformer and a moving contact.Advancing handcart is wheel to be housed by advancing on carrier loader on drive apparatus and guide rail, make it advance and pull out in prescribed direction and distance, thereby while realizing service position, one-time contact inserts; When test position, contact exits.In addition, while advancing car operation, must on the control frame of carrier loader, with key, open and handle crank jack, stir at the same time interlock device circuit breaker can not be closed a floodgate, until while delivering to service position, crank is taken off, key lock, can closing operation.
Advance the control frame of car to be provided with manipulation crank, between described propelling car and described carrier loader, pass through square shaft transmission.The rear end of carrier loader is provided with two columns, on described two columns, interlocking device and transmission mechanism is housed, and on described two columns, rotating go-cart handgrip is also housed.Go-cart handgrip can turn an angle, and makes the alignment pin of car both sides extract or insert from the pin-and-hole of framework by connecting rod equipment.Key for interlocking device (controlled and advanced on car circuit breaker interlock device and transmission mechanism crank way is opened or closed by square shaft), two end positions of key turns (being service position and test position) have centering spring to guarantee the stable External force interference that is not subject to of its position.Power transmission shaft on the transmission mechanism of carrier loader is to be driven through four connecting rods by the crank shaft being contained in interlocking device; This power transmission shaft promotes respectively to advance on car connecting rod axle bed moving together with advancing car to form to postpone roping before slider-rocker mechanism makes to advance car to be realized through connecting lever connecting rod, has also realized in service position, "on" position handcart can not be pulled release, avoids personnel's misoperation.End positions was because there being middle stabilizing equipment to guarantee that not reason is left as effects such as electric power by external force before and after it.
Circuit breaker, when gate-dividing state, could operate handcart.For avoiding misoperation, between circuit breaker and propelling car, there is mechanical interlocking, this interlocking is controlled by the key of interlocking device on carrier loader.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 is during in gate-dividing state, (key inserts and turns counterclockwise 90 with key, to open crank way.) propelling car is shaken to foremost position, push away forward carrier loader to service position (being prelocalization pin hand-hole).Rotate left and right handles (now because key has been inserted to inserted link the next) simultaneously and make connecting rod that both sides pin is inserted to guide rail frame pin-and-hole, so far carrier loader location is complete.Now because key makes square shaft, stir the interlocking that closes a floodgate, can not close a floodgate.
With crank, make to advance car to shake to service position and will after an insulating contact insertion, pull up crank, key wraparound resets and takes off (after noting necessarily first pulling up crank, could rotate 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 side alignment pin can not exit.Now circuit breaker can normal deciliter.
Enter after operating state, as handcart pulled out, first make breaker open operation, with key, untie handcart braking, open crank way, mention interlocking device, propelling car is exited, one-time contact separately.Again carrier loader is moved to rear position and even exited guide rail.Before it should be noted that this operation, first secondary plug is pulled up to guarantee handling safety.
Before installation, must check that whether the building parts such as basis, ground, the wall base are installed are qualified.Check the correctness of lower margin construction, check that the flatness on foundation surface and wall base surface is not more than 3mm, moisture in the soil base is not more than 2mm up and down to the perpendicularity of ground.Guide rail frame is installed handcart to be pushed and in guide rail, is checked whether insulating contact aligns and the interchangeability of similar handcart.To the inspection of circuit breaker Ying An manufactory operation instructions and necessary adjustment.Guide rail frame also should connect earth connection; Primary line connects, and lays linear quadratic control cable.
Before operation, to align an insulating contact, guarantee all fingertips of fixed contact and the complete interlock of moving contact.Handcart is when service position, and once dynamic and static contact insertion depth should guarantee 34 ± 3mm.Before handcart pushes guide rail, circuit breaker should be in gate-dividing state, and the key that turns clockwise makes crank way open (key is vertical); And push to after guide rail when handcart, to inner rotary, advance handle to put in place, and be completely fixed under definite delivery, be rotated counterclockwise key (key level) and take off, now handcart is positioned at test position, shake again and advance car to service position, after dynamic and static contact is inserted firmly, pull up crank cycle key and take off; And the operation that handcart exits from service position must be to make circuit breaker after gate-dividing state, first with key, crank way is opened and interlocking is lifted, in order to avoid close a floodgate.Insert again crank, advancing car to be withdrawn into test position.As need carrier loader to exit, and can directly rotate handgrip, receding side alignment pin, carrier loader pulls and retreats.
Aspect operation, maintenance and maintenance, mechanical interlocking requires accurately and reliably, should be because of the vibrations separating brake of mechanical interlocking during breaker closing, whether the set bolt that should as usual check an insulating contact is loosening, whether end breaks phenomenon, whether the insertion depth of moving contact and contact be correct, and whether the contact site of grounding contact is clean. and be flexible coupling and whether damage etc.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the field are to be understood that: still can modify or part technical characterictic is equal to replacement the specific embodiment of the present invention; And not departing from the spirit of technical solution 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 (6)
1. an Electrified railway switching equipment, it is characterized in that, described Electrified railway switching equipment comprises electric railway vacuum circuit-breaker, guide rail frame and circuit breaker cart, described guide rail frame comprises the mounting bracket of guiderail base and facade, described circuit breaker cart comprises propelling car and carrier loader, and described electric railway vacuum circuit-breaker, current transformer and a moving contact are housed on described propelling car;
Described electric railway vacuum circuit-breaker comprises connected vacuum interrupter and spring operating mechanism, the single-stage list the being integrally formed arc quenching chamber structure that goes out, the go out framework of arc quenching chamber structure of described single-stage list is handcart-type framework, described vacuum extinction device adopts longitudinal mounting structure, described spring operating mechanism comprises combined floodgate spring and the sluice separating spring that adopts semiaxis dropout mode, and described combined floodgate spring is extension spring, and described sluice separating spring is stage clip, wherein, described sluice separating spring is carried out to energy storage during combined floodgate;
Wherein, the rear end of described carrier loader is provided with two columns, on described two columns, interlocking device and transmission mechanism is housed, and on described two columns, rotating go-cart handgrip is also housed.
2. Electrified railway switching equipment according to claim 1, it is characterized in that, described guide rail frame is fixed on ground and wall, described mounting bracket is provided with upper and lower two branched epoxy insulators, at described epoxy resin insulator, isolation fixed contact and copper busbar row is housed respectively, the base portion of described guide rail frame contain handcart walking guide rail and handcart location use in length and breadth to pin base.
3. Electrified railway switching equipment according to claim 2, is characterized in that, described base portion is also equiped with earthy fixed contact and relevant device.
4. Electrified railway switching equipment according to claim 1, is characterized in that, the left and right side of described circuit breaker cart is provided with fixing described circuit breaker cart at alignment pin and the pin hole of test position and service position.
5. Electrified railway switching equipment according to claim 1, is characterized in that, described propelling car also comprises copper bar and the interlock device that connects described electric railway vacuum circuit-breaker, current transformer and a moving contact.
6. Electrified railway switching equipment according to claim 1, is characterized in that, the control frame of described propelling car is provided with manipulation crank, passes through square shaft transmission between described propelling car and described carrier loader.
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 CN102324339A (en) | 2012-01-18 |
| CN102324339B true CN102324339B (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110300239.7A Active CN102324339B (en) | 2011-09-28 | 2011-09-28 | Electrified railway switching equipment |
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| CN (1) | CN102324339B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106415960B (en) * | 2014-05-21 | 2019-03-29 | 三菱电机株式会社 | Breaker with extinguisher and application the breaker by controller switching equipment |
Citations (6)
| 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 |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200956331Y (en) * | 2006-09-29 | 2007-10-03 | 李锐帮 | High-voltage vacuum circuit breaker spring operating mechanism |
-
2011
- 2011-09-28 CN CN201110300239.7A patent/CN102324339B/en active Active
Patent Citations (6)
| 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 |
| 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 |
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| Publication number | Publication date |
|---|---|
| CN102324339A (en) | 2012-01-18 |
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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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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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| 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 |