CN102361243A - Handcart mechanism of circuit breaker - Google Patents
Handcart mechanism of circuit breaker Download PDFInfo
- Publication number
- CN102361243A CN102361243A CN2011101801145A CN201110180114A CN102361243A CN 102361243 A CN102361243 A CN 102361243A CN 2011101801145 A CN2011101801145 A CN 2011101801145A CN 201110180114 A CN201110180114 A CN 201110180114A CN 102361243 A CN102361243 A CN 102361243A
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- handcart
- outer frame
- circuit breaker
- interior framework
- gear
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Abstract
The invention discloses a handcart mechanism of a circuit breaker. The handcart mechanism comprises an internal rack of a handcart and an external rack of the handcart, wherein the internal rack of the handcart is mainly used for positioning the handcart mechanism; the handcart is arranged in metal closed switch equipment for linkage; a vacuum circuit breaker is arranged on the external rack of the handcart; a panel directly displays the position, and with the conversion of stirring switches, the connection of an internal rack body and a cabinet body of the metal closed switch equipment can be locked; external rack wheels are arranged on the external rack; and when the vacuum circuit breaker which is arranged on the external rack enters a touch box by shaking, and a movable contact is jointed with a stationary contact, inclination can be avoided due to uniform forcing of two edges by meshing a gear and a rack. By adoption of the handcart mechanism of the circuit breaker, a medium-voltage circuit breaker can more steadily and reliably move. Compared with the conventional screw transmission technology, the handcart mechanism of the circuit breaker has the advantages of good stability, high reliability and convenience for use.
Description
Technical field
The present invention relates to the balance drive technology of medium voltage breaker handcart mechanism, the circuit breaker cart that especially adopts Bevel Gear Transmission structure and tooth bar to combine can reduce owing to move, the contact contact process medium dip that causes and damage the accident of contact.
Background technology
Medium voltage breaker is that equipment for power transmission and distribution is used equipment for power transmission and distribution more widely, accounts for about 30% of armamentarium, along with medium voltage breaker uses market also increasing; The a large amount of use of medium voltage breaker made major contribution to power transmission and distribution; But,, need leave certain position so the medium voltage breaker handcart is moved in the Electric Appliance Cabinet because the vacuum circuit-breaker handcart is pushed in the Electric Appliance Cabinet; And the smoothness when needing to guarantee to push; Handcart all adopts the main means of screw mandrel as transmission at present, and screw mandrel has the fast characteristics of speed as transmission, but also has certain problem.Support because screw mandrel is a point, after moving contact is stressed, be easy to generate moving contact, directly damage moving contact, but also, be stuck in the contact box and can't withdraw from easily owing to tilt to cause circuit breaker to move.At present, no matter be Schneider, ABB, foreign brand name still is the mode that domestic enterprise all adopts screw mandrel to drive, all in various degree have above-mentioned hidden danger.
Summary of the invention
The objective of the invention is to adopt the screw mandrel transmission to present circuit breaker cart, existing moving contact damages easily and circuit breaker is prone to be stuck in the problem that can't withdraw from the contact box, proposes a kind of circuit breaker cart mechanism, adopts move mode more stably.Can avoid the generation of moving contact tilt phenomenon, realize reliable and secure the moving of circuit breaker.
Technical scheme of the present invention is:
A kind of circuit breaker cart mechanism; It comprises handcart interior framework and handcart outer frame; The handcart interior framework is used for handcart mechanism is fixed on metal enclosed switchgear, places circuit breaker on the handcart outer frame, and handcart interior framework and handcart outer frame are and draw odd test to be slidingly connected.
Handcart interior framework of the present invention comprises interior framework body, panel, positioner, handcart crank handle, power transmission shaft, interior framework wheel, bevel pinion, bevel gear wheel, universal driving shaft and gear; Described panel be installed in the interior framework body on, positioner is used for the interior framework body-fixed at Electric Appliance Cabinet between interior framework body and panel; The handcart crank handle is installed on the panel; Link to each other suit bevel pinion on the other end of power transmission shaft, bevel pinion and the bevel gear wheel engagement that is sleeved on the universal driving shaft with an end of power transmission shaft; The interior framework body is stretched out at the two ends of universal driving shaft; On the rotating biside plate that is arranged on the interior framework body, equal set gear on two external parts of universal driving shaft, the tooth bar on gear and the handcart outer frame meshes; The two sides of interior framework body are equipped with the interior framework wheel, cooperate with the outer frame guide rail of handcart outer frame.
Positioner of the present invention comprises pinlock and toggle switch, and toggle switch is installed on the panel, links with pinlock.
Panel snap close of the present invention is installed on the panel, is can pin with padlock when being used to be transferred to the position, can not at will open, and plays a protective role.
Universal driving shaft of the present invention is a hexagonal axis.
The shaft coupling that is used for gap between pinion and the tooth bar is housed on the universal driving shaft of the present invention.
Handcart interior framework of the present invention also comprises interlocking gear and interior framework block, and described interlocking gear adopts the position chain, after reaching the formulation position, is lived by mechanism's backing pin shelves, and travel switch is installed in mechanism, and travel switch sends signal and shows.
Handcart outer frame of the present invention comprises outer frame body, tooth bar, outer frame wheel, outer frame guide rail and circuit breaker cradle; Described outer frame wheel is installed in the outside of the biside plate of outer frame body; Be slidingly connected with the guide rail of Electric Appliance Cabinet; Outer frame guide rail and tooth bar are installed in the inboard of the biside plate of outer frame body, and the outer frame guide rail cooperates with the interior framework wheel, the gears engaged of tooth bar and handcart interior framework; Circuit breaker cradle is used to place circuit breaker, is installed on the biside plate of outer frame body.
Handcart outer frame of the present invention comprises that also outer frame baffle plate, outer frame block and cabinet carry mechanism's collision block; Described interlocking gear adopts the position chain; After reaching the formulation position, lived by mechanism's block shelves, and travel switch is installed in mechanism, travel switch sends signal and shows.
Outer frame was formed in the present invention mainly contained and adopts, and the handcart interior framework is mainly used in the location, with handcart be installed in carry out in the metal enclosed switchgear chain; On the handcart outer frame vacuum circuit-breaker is installed, the conversion of the direct display position of panel and toggle switch can be pinned being connected of interior framework body and Electric Appliance Cabinet cabinet, and on outer frame installation outer frame wheel; Position of toggle switch commentaries on classics can be that pinlock directly inserts in the hole in the regulator cubicle with positioner after frame is installed to the regulator cubicle assigned address, the delthyrium of shaking the hand on the panel then, and crank handle inserts the back and rotates; The interior framework body is provided with power transmission shaft; There is bevel gear on the top, and with another hexagonal axis on bevel gear engagement, after the rotation; Gear is installed at two ends on hexagonal axis; And, after the wheel and rack engagement, drive the outer frame motion when rotating the engagement of backgear and tooth bar at outer frame two limit stationary racks; Block is installed on outer frame is played the function that prevention is moved again at the postpone block that rotate in place, handle can't play the location, in-position shaking.When shaking out, block is installed on the outer frame upper rack? Postpone can't shaken when putting in place.The vacuum circuit-breaker that is installed on the outer frame is shaking when entering into that moving contact combines with fixed contact in the contact box; Because two limits are even with the wheel and rack engaging stress; Tilt phenomenon can not appear, so directly stressed back tilted to damage moving contact because discontinuity can produce from the centre with the past.Also can be stuck in the contact box and can't withdraw from and get into.
Beneficial effect of the present invention:
The present invention and prior art relatively have reliability and improve, and the damage phenomenon that produces when reducing owing to moving contact and fixed contact entering adopts this technology when mobile push-on process neutralization receives external force; Circuit breaker can not tilt; Adopt the bevel gear engaged transmission in addition since stressed power of shaking for a short time relatively I is alleviating the power of shaking, the modulus of gear can suitable as requested increasing; Improve the speed of shaking; The tooth bar that location positioning can be avoided occurring damages, and the use of shaft coupling can be avoided the influence that produces because of the rack and pinion wearing and tearing to the suitable correction of tilting.
Adopt this device to move medium voltage breaker, more steadily reliable, with comparing of routine with the screw mandrel transmission, good stability, reliability height, easy to use.
Description of drawings
Fig. 1 is one of structural representation of the present invention.
Fig. 2 is two of a structural representation of the present invention.
Wherein: 1, handcart crank handle; 2, panel; 3, toggle switch; 4, interior framework body; 5, pinlock; 6, tooth bar; 7, gear; 8, universal driving shaft; 9, shaft coupling; 10, bevel gear wheel; 11, bevel pinion; 12, power transmission shaft; 13, interior framework wheel; 14, outer frame guide rail; 15, panel snap close; 16, outer frame baffle plate; 17, interlocking gear; 18, cabinet is carried mechanism's collision block; 19, outer frame body; 20, circuit breaker cradle; 21, outer frame wheel; 22, outer frame block; 23, interior framework block.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further described.
As shown in Figure 1, a kind of machine driving is applied in medium voltage breaker handcart travel mechanism, and it shakes the drive rotation axis through external handle; Bevel gear is installed on power transmission shaft, drives another bevel gear, in the middle of bevel gear, pass with hexagonal axis; At two gears of two sections installations of axle, and tooth bar is installed on both sides on outer frame, and wheel also is installed; A point position waved switch is arranged on the frame in front, in travel mechanism is pushed into the piezoelectricity device cashier's office in a shop after, toggle switch; An alignment pin is arranged on the frame, stretch out directly be inserted in the piezoelectricity device cashier's office in a shop, shake handle then and drive bevel gear; And meshing another bevel gear by the bevel gear shaft driven gear and drive interior framework, gear rotates and directly on tooth bar, drives outer frame, vacuum circuit-breaker is installed on the outer frame is moved; Mechanism's propeller is carried in the front can open the contact box front fender, on the rotation axis side block is arranged, when moving to the position; Block blocks and can't shake handle again, when releasing, is also having a block when putting in place, can't rotate on the outer frame.It is stable that this transmission framework has transmission, and approaching side was big when the bevel gear on the axle was rotated, and drives the gear on two limits through the rotation of axle, because all there is gear on two limits, can not tilt, so can move stably when mobile.Shaft coupling can suitably avoid occurring error to structure adjustment.
As shown in Figure 1, handcart crank handle 1 is inserted in the handcart, and rival car shakes into and shakes out; Toggle switch 4 is arranged above the handcart panel 2, insert the delthyrium of shaking the hand and also have padlock mechanism, the directly outer metal enclosed switchgear outside that is exposed at of handcart panel; Toggle switch 3 is opened by handcart through toggle switch; Pinlock 5 pins handcart and metal enclosed switchgear, makes it not to be moved; The handcart interior framework mainly plays positioning action and is fixed on the metal enclosed switchgear; Tooth bar 6 is installed in mainly to play on the both sides of handcart outer frame body 19 and gets into when moving and come out; Gear 7 is installed in the both sides of handcart interior framework body 4, and the installation shaft two ends.The wheel and rack engagement; Bevel gear 10 and shaft coupling 9 are installed in the middle of the hexagonal axle 8, the two ends fixed gear 7 of axle, and be fixed on the handcart interior framework body 4; Shaft coupling 9 is installed in the effect in the gap of playing fine setting gear 7 and tooth bar 6 on the axle 8; Bevel gear wheel 10 is installed on the axle 8 and with bevel pinion 11 and meshes; Bevel pinion 7 is installed in power transmission shaft 12 end faces, and rotates with bevel gear wheel 10 engagements; Power transmission shaft 12 is fixedly on the handcart panel 2; The two ends of axle, an end is connected with crank handle, and the other end is connected with bevel pinion 11.
Practical implementation is put into handcart on the metal enclosed switchgear earlier, at this moment stretches out the notch that pin 5 is inserted in the metal enclosed switchgear and fixes in the handcart two ends with position of toggle switch 3 commentaries on classics, and the hole that is inserted on the handcart panel 2 by handcart crank handle 1 then combines with power transmission shaft 12; Shake crank handle 1 and drive power transmission shaft 12; Rotate through power transmission shaft 12 again and drive bevel pinions 11, rotate bevel pinion 11 and bevel gear wheel 10 engagements, and in bevel gear wheel 10 back shaft coupling 9 is installed and is fixed on jointly on the hex-shaped shaft 8; Drive hex-shaped shaft 8 through rotating bevel gear wheel 10; By hex-shaped shaft 8 two ends gear 7 is installed again, transmitting gear 7, and by gear 7 drive tooth bars 6; Tooth bar 6 has been defined on the outer frame body 19, and tooth bar 6 rotates back outer frame body 19 can carry out steadily moving.On the outer frame body 19 medium voltage breaker is installed, when outer frame body 19 moves, is driven medium voltage breaker and can realize moving forward and backward.
Like Fig. 2: shown in: practical implementation is directly put on the guide rail on the metal enclosed switchgear by outer frame wheel 21; And be put into the metal enclosed switchgear assigned address to dolly, and changeing a position by toggle switch 3 then, pinlock 5 directly stretches out the notch that is inserted on the metal enclosed switchgear on the dolly; Shaking handle 1 outer frame body 19 then moves forward; Wherein outer frame guide rail 14 moves on interior framework wheel 13, and when outer frame guide rail 14 moved to assigned position, at this moment the interior handcart locating piece on the interior framework body 4 can not move can open toggle switch 3; Pinlock 5 just can be opened otherwise can't open; Rack-mounted outer frame baffle plate 16 is run into interior framework block 23 when outer frame guide rail 14 outwards moves, and can't move again, and cabinet is carried mechanism's collision block 18 and moved ahead in moving process; Collision block is opened the contact box protective plate on the cabinet; The moving contact of handcart combines to play interconnect function with fixed contact; When mobile, directly promote interlocking gear 17 by a pushing block on the outer frame; And stir handle by interlocking gear control and play chain effect, mechanism can not rotate after panel snap close 15 pinned in addition, had avoided misoperation.
The present invention mainly solve the medium voltage breaker handcart move in since moving contact when getting into the uneven moving contact that produces damage and be stuck in the accident in the contact box; Adopt the bevel gear engagement and drive power transmission shaft; The engagement of driven gear and tooth bar can not resemble original stress surface and can produce for middle because both sides are stressed evenly again.Present technique can improve the reliability of medium voltage breaker handcart.
The present invention does not relate to all identical with the prior art prior art that maybe can adopt of part and realizes.
Claims (9)
1. circuit breaker cart mechanism; It is characterized in that it comprises handcart interior framework and handcart outer frame; The handcart interior framework is used for handcart mechanism is fixed on metal enclosed switchgear, places circuit breaker on the handcart outer frame, and handcart interior framework and handcart outer frame are and draw odd test to be slidingly connected.
2. circuit breaker cart according to claim 1 mechanism; It is characterized in that described handcart interior framework comprises interior framework body (4), panel (2), positioner, handcart crank handle (1), power transmission shaft (12), interior framework wheel (13), bevel pinion (11), bevel gear wheel (10), universal driving shaft (8) and gear (7); Described panel (2) be installed in interior framework body (4) on; Positioner is positioned between interior framework body (4) and the panel (2); Be used for interior framework body (4) is fixed on Electric Appliance Cabinet, handcart crank handle (1) is installed on the panel (2), links to each other with an end of power transmission shaft (12); Suit bevel pinion (11) on the other end of power transmission shaft (12); Bevel pinion (11) and bevel gear wheel (10) engagement that is sleeved on the universal driving shaft (8), interior framework body (4) is stretched out at the two ends of universal driving shaft (8), on the rotating biside plate that is arranged on interior framework body (4); Equal set gear (7) on two external parts of universal driving shaft (8); Tooth bar (6) engagement on gear (7) and the handcart outer frame, the two sides of interior framework body (4) are equipped with interior framework wheel (13), cooperate with the outer frame guide rail (14) of handcart outer frame.
3. circuit breaker cart according to claim 2 mechanism is characterized in that described positioner comprises pinlock (5) and toggle switch (3), and toggle switch (3) is installed on the panel (2), links with pinlock (5).
4. circuit breaker cart according to claim 2 mechanism is characterized in that described panel snap close (15) is installed on the panel (2), is to pin with padlock when being used to be transferred to the position.
5. circuit breaker cart according to claim 2 mechanism is characterized in that described universal driving shaft (8) is a hexagonal axis.
6. circuit breaker cart according to claim 2 mechanism is characterized in that being equipped with on the described universal driving shaft (8) shaft coupling (9) that is used to finely tune gap between gear (7) and the tooth bar (6).
7. circuit breaker cart according to claim 2 mechanism is characterized in that said handcart interior framework also comprises interlocking gear (17) and interior framework block (23).
8. circuit breaker cart according to claim 1 mechanism; It is characterized in that described handcart outer frame comprises outer frame body (19), tooth bar (6), outer frame wheel (21), outer frame guide rail (14) and circuit breaker cradle (20); Described outer frame wheel (21) is installed in the outside of the biside plate of outer frame body (19); Be slidingly connected with the guide rail of Electric Appliance Cabinet; Outer frame guide rail (14) and tooth bar (6) are installed in the inboard of the biside plate of outer frame body (19), and outer frame guide rail (14) cooperates with interior framework wheel (13), and tooth bar (6) meshes with the gear (7) of handcart interior framework; Circuit breaker cradle (20) is used to place circuit breaker, is installed on the biside plate of outer frame body (19).
9. circuit breaker cart according to claim 8 mechanism is characterized in that said handcart outer frame comprises that also outer frame baffle plate (16), outer frame block (22) and cabinet carry mechanism's collision block (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110180114 CN102361243B (en) | 2011-06-29 | 2011-06-29 | Handcart mechanism of circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110180114 CN102361243B (en) | 2011-06-29 | 2011-06-29 | Handcart mechanism of circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102361243A true CN102361243A (en) | 2012-02-22 |
| CN102361243B CN102361243B (en) | 2013-02-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110180114 Active CN102361243B (en) | 2011-06-29 | 2011-06-29 | Handcart mechanism of circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102361243B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104577841A (en) * | 2013-10-10 | 2015-04-29 | 施耐德电器工业公司 | Novel circuit breaker cranking-in and cranking-out driving mechanism |
| CN105071265A (en) * | 2015-07-27 | 2015-11-18 | 温州兴机电器有限公司 | Handcart assembly and switchgear with same |
| CN107257100A (en) * | 2017-07-03 | 2017-10-17 | 杭州耐立电气有限公司 | A kind of low-voltage switch cabinet of drawer |
| US9948074B2 (en) | 2013-10-10 | 2018-04-17 | Schneider Electric Industries Sas | Circuit breaker arrangement |
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| CN201821029U (en) * | 2010-04-29 | 2011-05-04 | 上海国际港务(集团)股份有限公司军工路分公司 | Double-screw-propelled drawer |
| CN202121240U (en) * | 2011-06-29 | 2012-01-18 | 博耳(宜兴)电力成套有限公司 | Handcart mechanism of breaker |
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2011
- 2011-06-29 CN CN 201110180114 patent/CN102361243B/en active Active
Patent Citations (7)
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| DE4420584C1 (en) * | 1994-06-03 | 1995-11-23 | Siemens Ag | Switchgear with a device for entering a switchgear cell |
| JP2000350315A (en) * | 1999-06-07 | 2000-12-15 | Fuji Electric Co Ltd | Drawer type switchgear |
| JP2002135919A (en) * | 2000-10-27 | 2002-05-10 | Taito Kogyo Kk | Switchgear |
| CN1790848A (en) * | 2005-11-07 | 2006-06-21 | 北京华东电气股份有限公司 | Handcart pushing mechanism of handcart high-voltage switch cabinet breaker |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104577841A (en) * | 2013-10-10 | 2015-04-29 | 施耐德电器工业公司 | Novel circuit breaker cranking-in and cranking-out driving mechanism |
| CN104577841B (en) * | 2013-10-10 | 2017-03-01 | 施耐德电器工业公司 | Chopper shakes into shaking out drive mechanism |
| US9948074B2 (en) | 2013-10-10 | 2018-04-17 | Schneider Electric Industries Sas | Circuit breaker arrangement |
| CN105071265A (en) * | 2015-07-27 | 2015-11-18 | 温州兴机电器有限公司 | Handcart assembly and switchgear with same |
| CN107257100A (en) * | 2017-07-03 | 2017-10-17 | 杭州耐立电气有限公司 | A kind of low-voltage switch cabinet of drawer |
| CN107257100B (en) * | 2017-07-03 | 2018-12-11 | 杭州耐立电气有限公司 | A kind of low-voltage switch cabinet of drawer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102361243B (en) | 2013-02-27 |
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