CN102509657A - Isolation change-over switch for urban rail vehicle - Google Patents
Isolation change-over switch for urban rail vehicle Download PDFInfo
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- CN102509657A CN102509657A CN2011103707970A CN201110370797A CN102509657A CN 102509657 A CN102509657 A CN 102509657A CN 2011103707970 A CN2011103707970 A CN 2011103707970A CN 201110370797 A CN201110370797 A CN 201110370797A CN 102509657 A CN102509657 A CN 102509657A
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- contact
- lower panel
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Abstract
The invention discloses an isolation change-over switch for an urban rail vehicle, which aims to meet the requirements of different working systems of the urban rail vehicle, ensure the reliability in changing-over of states of a main loop, and enable the urban rail vehicle to be operated normally under different working conditions. The isolation change-over switch for the urban rail vehicle comprises a lower panel, an upper panel arranged on the lower panel through pillars, a shaft arranged between the upper panel and the lower panel, a control mechanism arranged on the upper panel and used for driving the shaft to rotate, a drum assembly, a contact finger rod assembly coordinated with the drum assembly to control the main loop to be switched on or off, and a state feedback unit. The invention provides a manually operated two-position change-over switch, which can adapt to the requirements of changing-over of the working states of the main loop of the urban rail vehicle, has the advantages of stability and reliability in working performances, small volume, and easiness in operation and maintenance, and is mainly used for the control when the working state of the main loop of the urban rail vehicle is changed.
Description
Technical field
The present invention relates to a kind of city rail vehicle and use isolation conversion switch, the control when being mainly used in the change of city rail vehicle major loop operating state.
Background technology
The main circuit of using on the rolling stock at present is bringing onto load step switch series products not, and high voltage isolator, high voltage ground switch, two position switchs, subway knife switch etc. are arranged.Wherein high voltage isolator, high voltage ground switch are voltage 25KV grade, and two position switchs and subway knife switch are the electric pressure about 1000V.TKH series two position switch performances have covered city rail vehicle voltage/current (the highest) 1500V/840A; Existing TKH series two position changeover switch are mainly used in SS1, SS3, SS4, SS8, SS9 series cab; Be mainly used in the electric locomotive as forward, conversion and locomotive traction, braking conversion are used backward; As a kind of city rail vehicle that is used for Singapore metro engineering maintenance car is used isolation conversion switch; This isolation conversion switch control mode is manually, lifting joystick lever head, removes position-limiting drum and could rotate after to the restriction of joystick.Joystick drives the handle installation shaft, the rotary drum assembling is rotated, and fingertip correspondingly contacts with contact or breaks away from, and realizes loop break-make control.The axle of rotary drum assembling drives two fixing cam rotation of below, thereby changes auxiliary chain state, and signal is passed to control system.Yet TKH series two position switchs are the old type products of direct current car, and numerous aspects do not meet the high-grade standard-required of city rail vehicle.And subway knife switch current class has only 200A, can't satisfy electric current 840A requirement, and excessive current difference is difficult to that the subway knife switch is carried out design alteration and makes performance reach the 840A grade.Thereby, have only specific requirement to city rail vehicle, design brand-new isolation conversion switch.
Summary of the invention
In order to satisfy the requirement of city rail vehicle different operating system; Guarantee that the major loop state reliably switches; Make city rail vehicle normally operation under different operating modes, the present invention aims to provide a kind of city rail vehicle and uses isolation conversion switch, and this isolation conversion switch design is loaded in the city rail vehicle high-voltage board; Through controlling the closed of three groups of major loop contacts or breaking off, realize the switching of city rail vehicle operating state.
To achieve these goals, the technical scheme that the present invention adopted is:
A kind of city rail vehicle is used isolation conversion switch; Comprise lower panel, be installed in the axle between top panel, top loading plate and the lower panel on the lower panel, the operating mechanism of driving shaft rotation on the top loading plate through pillar; Its design feature is also to comprise the rotary drum assembling, cooperate the fingertip bar of control major loop break-make to assemble and the state feedback unit with the rotary drum assembling; The assembling of said rotary drum comprises a plurality of contacts assemblings that are contained on the axle, and the contact in each contact assembling is the moving contact of isolation conversion switch, the contacting and break off the break-make of controlling major loop of this contact and fingertip during fingertip assembles; Said fingertip bar assembling comprises the mounting panel between top loading plate and the lower panel, and the fingertip assembling that matches with the contact of said rotary drum assembling is installed on this mounting panel; Said fingertip is fixedly connected on the fingertip seat of fingertip assembling; Said state feedback unit comprises the cam that is contained on the axle, and first support and second support are equipped with in this cam outside, and auxiliary interlocking all is installed on said first support and second support.
When the axle rotating band moving cam rotation of rotary drum assembling, thereby change deciliter state that interlocking is assisted in the cam both sides.
City rail vehicle of the present invention has " ON " position and " OFF " position two states with isolation conversion switch.During state, fingertip contacts with contact, three groups of closings of contact of major loop in " ON " position; Rotate joystick, isolation conversion switch switches to " OFF " position from " ON " position, and fingertip and contact break off, and three groups of contacts of major loop are broken off.The change of isolation conversion switch state feeds back to vehicle control system through auxiliary interlocking.
Separate through back-up ring between adjacent two contacts assembling.
Said operating mechanism comprises the position-limiting drum on the top loading plate, and the axle between top loading plate and the lower panel passes said position-limiting drum, is contained in the handle installation shaft of axle one end, and the joystick assembling is housed on this handle installation shaft.
Said contact assembling has three, and then city rail vehicle has three groups of major loop contacts with isolation conversion switch, and when " ON " position, city rail vehicle is in running order, three groups of closings of contact; The manual operation isolation conversion switch, after state switched, isolation conversion switch turned to " OFF " position, and three groups of contacts are changed off-state into.
By said structure, isolation conversion switch of the present invention adopts the panel mounting means, is applicable to level or vertical the installation.When level is installed, fix through the top panel perforate.During vertical the installation, fixing through the welding angle steel suspension of elliptical aperture on the top panel and base.Isolation conversion switch is by manual operation, and joystick is spacing by position-limiting drum, and isolation conversion switch is limited in " ON " position or " OFF " position usually, has only after the up lifting of joystick lever head, lifting restrictions, and joystick could switch the major loop state.The handle installation shaft is fastening through the axle in sunk screw and the rotary drum assembling, when joystick rotates, drives the handle installation shaft and rotates with the rotary drum assembling; After three groups of fingertips and contact break away from; Three groups of loops are broken off, and when arriving restriction site, the isolation conversion switch completion status is switched.When rotary drum when rotation assembling, axle drives the cam action that is mounted thereon, and cam is to be used for controlling four auxiliary interlocking switch deciliter states being installed on first support and second support.Simultaneously, panel sets is burn-on and is welded with a M8 earth stud, is used to be connected to the grounding system of vehicle.
Below the present invention is done detailed explanation.
Isolation conversion switch of the present invention comprises panel assembly welding, operating mechanism, rotary drum assembling, the assembling of fingertip bar, pillar, base and state feedback unit.
Said panel assembly welding is the isolation conversion switch installing component, is welded with cushion block, angle steel and M8 earth stud in the above on the plate 1.Isolation conversion switch is connected with the high pressure cabinet through four elliptical apertures on the top panel 1.
Said operating mechanism comprises joystick assembling 2, position-limiting drum 3 and handle installation shaft 4, and joystick assembling 2 is isolation conversion switch driver parts, and the gripping handle head rotates joystick, thereby changes the isolation conversion switch state.Position-limiting drum 3 provides two agretopes, corresponding isolation conversion switch " ON " and " OFF " two states.When handle during at agretope, handle is limited to rotate, and only draws high handle head, lifts restrictions, and handle could rotate, isolation conversion switch ability change state.
Said rotary drum assembling comprises axle 6, contact assembling 5, back-up ring 7, and the contact 17 in the contact assembling 5 in the rotary drum assembling is moving contacts of isolation conversion switch, totally three groups.The rotary drum assembling is rotated, thereby contact 17 contact fingertips 16 are connected major loop, or contact 17 disengaging fingertips 16 break off major loop.
Said fingertip bar assembling comprises mounting panel 8, fingertip assembling 9.On mounting panel 8, post the main contact sign.Fingertip 16 in the fingertip assembling 9 is isolation conversion switch fixed contacts.When isolation conversion switch turns to " ON " position or " OFF " position, fingertip contact with corresponding moving contact or breaks away from, and realization loop break-make is controlled.
Said base comprises lower panel 11 and welding angle steel on it thereof, and two blocks of angle steel of symmetry cooperate with the assembling of fingertip bar, and another piece angle steel is as the vertically arranged strong point of isolation conversion switch.
Said state feedback unit comprises cam 12,13, two installing racks 14,15 of auxiliary interlocking.Cam 12 and axle 6 terminal fixing when the rotary drum assembling is rotated, drive cam 12 and rotate, thus deciliter state of the auxiliary interlocking 13 of change.Auxiliary interlocking 13 is installed in respectively on first support 14 and second support 15.
Compared with prior art, the invention has the beneficial effects as follows: the present invention is manually operated two position changeover switch, can adapt between city rail vehicle major loop operating state and switch requirement, and stable and reliable working performance, volume is little, Operation and Maintenance is simple.
Below in conjunction with accompanying drawing and embodiment the present invention is done further elaboration.
Description of drawings
Fig. 1 is the structure principle chart of an embodiment of the present invention;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the vertical view of Fig. 1;
Fig. 4 is the upward view of Fig. 1;
Fig. 5 is the B-B cutaway view of Fig. 1.
In the drawings
The 1-top panel; The assembling of 2-joystick; The 3-position-limiting drum; 4-handle installation shaft;
The assembling of 5-contact; The 6-axle; The 7-back-up ring; The 8-mounting panel;
The assembling of 9-fingertip; The 10-pillar; The 11-lower panel; The 12-cam;
The auxiliary interlocking of 13-; 14-first support; 15-second support; The 16-fingertip;
17-contact 18-fingertip seat.
Embodiment
A kind of city rail vehicle is used isolation conversion switch; Shown in Fig. 1～4, comprise lower panel 11, through pillar 10 be installed in axle 6 between top panel 1, top loading plate 1 and the lower panel 11 on the lower panel 11, driving shaft rotation on the top loading plate 1 operating mechanism, rotary drum assembling, cooperates the fingertip bar of controlling the major loop break-make to assemble and the state feedback unit with the rotary drum assembling.The assembling of said rotary drum comprises three contacts assemblings 5 that are contained on the axle 6, and is as shown in Figure 5, in each contact assembling 5 contact 17 is housed all, the contacting and break off the break-make of controlling major loop of this contact 17 and fingertip 16 during the fingertip bar is assembled.Separate through back-up ring 7 between adjacent two contacts assembling 5.Said fingertip bar assembling comprises the mounting panel 8 between top loading plate 1 and the lower panel 11, and the fingertip assembling 9 that matches with the contact 17 of said rotary drum assembling is installed on this mounting panel 8.Said state feedback unit comprises the cam 12 that is contained on the axle 6, and first support 14 and second support 15 are equipped with in these cam 12 outsides, and auxiliary interlocking 13 all is installed on said first support 14 and second support 15.Said operating mechanism comprises the position-limiting drum 3 on the top loading plate 1, and the axle 6 between top loading plate 1 and the lower panel 11 passes said position-limiting drum 3, is contained in the handle installation shaft 4 of axle 6 one ends, and joystick assembling 2 is housed on this handle installation shaft 4.
Below be concrete operating procedure:
Switch to " OFF " position from " ON " position: three groups of closings of contact of major loop when city rail vehicle of the present invention is in " ON " position state with isolation conversion switch.Under electroless state, gripping handle head up lifting turns an angle to remove mechanical constraint, and major loop breaks off, and after about 63 °, switches to " OFF " position, puts down handle head, and joystick is limited in " OFF " position.
Switch to " ON " position from " OFF " position: three groups of contacts of major loop were broken off when city rail vehicle of the present invention was in " OFF " position state with isolation conversion switch.Under electroless state, gripping handle head up lifting switches to " ON " position to remove mechanical constraint after rotating about 63 °, and major loop is closed, maintains contact pressure between fingertip and the moving contact, puts down handle head, and joystick is limited in " ON " position.
The content that the foregoing description is illustrated is to be understood that to these embodiment and only is used to be illustrated more clearly in the present invention; And be not used in the restriction scope of the present invention; After having read the present invention, those skilled in the art all fall within the application's accompanying claims institute restricted portion to the modification of the various equivalent form of values of the present invention.
Claims (4)
1. a city rail vehicle is used isolation conversion switch; Comprise lower panel (11), be installed in the axle (6) between top panel (1), top loading plate (1) and the lower panel (11) on the lower panel (11) through pillar (10); Top loading plate (1) is gone up the operating mechanism of driving shaft (6) rotation; It is characterized in that, also comprise the rotary drum assembling, cooperate the fingertip bar of control major loop break-make to assemble and the state feedback unit with the rotary drum assembling;
Said rotary drum assembling comprises a plurality of contact assemblings (5) that are contained on the axle (6); Contact (17) in each contact assembling (5) be the moving contact of isolation conversion switch, and this contact (17) and fingertip assemble contacting of fingertip (16) in (9) and break off the break-make of controlling major loop;
Said fingertip bar assembling comprises the mounting panel (8) between top loading plate (1) and the lower panel (11), and the fingertip assembling (9) that matches with the contact (17) of said rotary drum assembling is installed on this mounting panel (8); Said fingertip (16) is fixedly connected on the fingertip seat (18) of fingertip assembling (9);
Said state feedback unit comprises the cam (12) that is contained on the axle (6), and first support (14) and second support (15) are equipped with in this cam (12) outside, and auxiliary interlocking (13) all is installed on said first support (14) and second support (15).
2. city rail vehicle according to claim 1 is used isolation conversion switch, it is characterized in that, separates through back-up ring (7) between adjacent two contacts assemblings (5).
3. city rail vehicle according to claim 1 is used isolation conversion switch; It is characterized in that; Said operating mechanism comprises the position-limiting drum (3) on the top loading plate (1); Axle (6) between top loading plate (1) and the lower panel (11) passes said position-limiting drum (3), is contained in the handle installation shaft (4) of axle (6) one ends, and joystick assembling (2) is housed on this handle installation shaft (4).
4. city rail vehicle according to claim 1 and 2 is used isolation conversion switch, it is characterized in that, said contact assembling (5) is three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103707970A CN102509657A (en) | 2011-11-21 | 2011-11-21 | Isolation change-over switch for urban rail vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103707970A CN102509657A (en) | 2011-11-21 | 2011-11-21 | Isolation change-over switch for urban rail vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102509657A true CN102509657A (en) | 2012-06-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103707970A Pending CN102509657A (en) | 2011-11-21 | 2011-11-21 | Isolation change-over switch for urban rail vehicle |
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| CN (1) | CN102509657A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103560026A (en) * | 2013-10-21 | 2014-02-05 | 武汉长海电气科技开发有限公司 | Multi-pole power-driven disconnecting switch |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040165987A1 (en) * | 2001-06-07 | 2004-08-26 | Aloys Wobben | Switching apparatus with an actuating shaft |
| CN2672826Y (en) * | 2004-01-14 | 2005-01-19 | 西安沙尔特宝电气有限公司 | Permanent change-over switch |
| CN201655626U (en) * | 2010-01-26 | 2010-11-24 | 钱旭 | Rotary drum type multi-position transfer switch |
| CN101964269A (en) * | 2010-11-01 | 2011-02-02 | 株洲南车时代电气股份有限公司 | Conversion-drum three-position isolating mode and isolating switch |
| CN201956252U (en) * | 2011-03-24 | 2011-08-31 | 南车株洲电力机车有限公司 | High-voltage isolating switch in locomotive cabinet |
| CN202363303U (en) * | 2011-11-21 | 2012-08-01 | 南车株洲电力机车有限公司 | Isolating change-over switch for urban rail vehicles |
-
2011
- 2011-11-21 CN CN2011103707970A patent/CN102509657A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040165987A1 (en) * | 2001-06-07 | 2004-08-26 | Aloys Wobben | Switching apparatus with an actuating shaft |
| CN2672826Y (en) * | 2004-01-14 | 2005-01-19 | 西安沙尔特宝电气有限公司 | Permanent change-over switch |
| CN201655626U (en) * | 2010-01-26 | 2010-11-24 | 钱旭 | Rotary drum type multi-position transfer switch |
| CN101964269A (en) * | 2010-11-01 | 2011-02-02 | 株洲南车时代电气股份有限公司 | Conversion-drum three-position isolating mode and isolating switch |
| CN201956252U (en) * | 2011-03-24 | 2011-08-31 | 南车株洲电力机车有限公司 | High-voltage isolating switch in locomotive cabinet |
| CN202363303U (en) * | 2011-11-21 | 2012-08-01 | 南车株洲电力机车有限公司 | Isolating change-over switch for urban rail vehicles |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103560026A (en) * | 2013-10-21 | 2014-02-05 | 武汉长海电气科技开发有限公司 | Multi-pole power-driven disconnecting switch |
| CN103560026B (en) * | 2013-10-21 | 2016-03-30 | 武汉长海电气科技开发有限公司 | A kind of electric multipole motor isolating switch |
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| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120620 |