CN104362027A - Flexible transmission device applicable to 27.5kV switch cabinet interior isolating switch - Google Patents
Flexible transmission device applicable to 27.5kV switch cabinet interior isolating switch Download PDFInfo
- Publication number
- CN104362027A CN104362027A CN201410718512.1A CN201410718512A CN104362027A CN 104362027 A CN104362027 A CN 104362027A CN 201410718512 A CN201410718512 A CN 201410718512A CN 104362027 A CN104362027 A CN 104362027A
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- CN
- China
- Prior art keywords
- steel wire
- flexible
- isolating switch
- transmission device
- guide pin
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/026—Movable parts and contacts mounted thereon
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/36—Driving mechanisms, i.e. for transmitting driving force to the contacts using belt, chain, or cord
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- Gas-Insulated Switchgears (AREA)
Abstract
The invention provides a flexible transmission device applicable to a 27.5kV switch cabinet interior isolating switch. The device is mounted within a mechanism chamber of an operating mechanism for an isolating switch cabinet. A separating transmission wheel disk of the transmission device for separating the flexible wire transmission device is connected fixedly with a main shaft of the isolating switch; a guide sleeve fixing plate and a drawn wire guide sleeve are fixed to each other by threads. The steel wire sleeve in the flexible steel drawn wire is wound on the separating transmission wheel disk. The mechanism flexible wire driving wheel disk of the mechanism flexible wire driving device is fixed together with a drive main shaft of the operating mechanism by a bolt. The guide sleeve fixing plate and the drawn wire guide sleeve are mounted on the bottom plate bracket or the sidewall of the mechanism chamber of the operating mechanism after being connected fixedly with each other by threads; the steel wire sleeve in the flexible steel drawn wire is wound on the mechanism flexible driving wheel disk. The flexible transmission device provided by the invention has the effects that the relative position relationship necessarily kept for the isolating switch and the operating mechanism is not needed to be considered for the transmission device; the reliability of the primary high pressure system scheme arrangement of the isolating switch in the field within a switch cabinet is improved.
Description
Technical field
The present invention relates to one and be applicable to isolating switch flexible gearing in 27.5kV switch cubicle, isolating switch is placed in the isolating switch cabinet of limited space, utilize the flexible characteristic structure of device itself, realize the transmission of operating mechanism and isolating switch.
Background technology
Along with the fast development of electric railway, need specialty to have special construction electric equipment increasing, electric isolating switch has also been applied in more complete set of equipments thereupon, reliable in quality, multiple functional, economy is given prominence to, miniaturized, and non-maintaining, intellectuality is the inexorable trend showed of China's electric railway development.
At present, require that the functions of the equipments used in domestic railway 27.5kV electric substation are complete, floor space is little becomes outstanding problem, the regular aesthetic measure of mount scheme also has higher requirement, and current isolating switch and circuit breaker are installed on scheme in same cabinet and have repeatedly appeared in primary system scheme.The requirement of the same switch cubicle as PT, CT etc. are installed on road device or miscellaneous equipment of isolating switch is become a kind of necessity gradually.But the current scheme of the drive mechanism of isolating switch and operating mechanism mechanism is all with operator link, connects.The relative position of this just have to when structural design consideration isolating switch and operating mechanism, the distance of mechanism and isolating switch is too near.The danger of touching personal safety can be increased when carrying out operating mechanism.But installation site too far cannot ensure that again stable transmission is reliable.And the volume of switch cubicle need be increased.Because therefore certain structures conceptual design can structure cannot carry out transmission and have to change primary system scheme, thus affect the economy that once connects up and the structural element such as attractive in appearance.
Summary of the invention
In order to solve the problem of conflicting with application scheme in above-mentioned drive mechanism, the object of this invention is to provide one and be applicable to isolating switch flexible gearing in 27.5kV switch cubicle, be installed on complete set of equipments as isolating switch cabinet to solve at all kinds of isolating switch, the space in armoured switch cabinet is arranged and is limited to the position relationship with operating mechanism.Or the problem of the limited insufficient space of some locational space transmissions, the flexible structure that must be beneficial to transmission device bracing wire easily solves.
For achieving the above object, the technical solution used in the present invention is to provide one and is applicable to isolating switch flexible gearing in 27.5kV switch cubicle, this transmission device is installed in the mechanism chamber of the operating mechanism of isolating switch cabinet, wherein: this transmission device includes and separates three parts of soft line transmission device by the soft line drive unit of flexible steel wire bracing wire bindiny mechanism, flexible gearing is formed;
Describedly separate soft line transmission device and comprise and separate transmission wheel disc, guide pin bushing fixed head, bracing wire guide pin bushing, separate transmission wheel disc to be fixedly connected with the main shaft of described isolating switch, guide pin bushing fixed head and bracing wire guide pin bushing by screw thread interfix and the base plate of mounting panel switch cubicle or be installed on side plate according to actual conditions, the steel wire cover in flexible steel wire bracing wire is wrapped in and separates on transmission wheel disc.
Described flexible steel wire bracing wire comprises steel wire rope and steel wire cover, and steel wire rope can slidably reciprocate in steel wire cover.
Described mechanism soft line drive unit comprises the soft line of mechanism and drives wheel disc, guide pin bushing fixed head, bracing wire guide pin bushing, the soft line of mechanism drives wheel disc to be fixed by the transmission main shaft of bolt and described operating mechanism, on the sidewall being arranged on described operating mechanism mechanism chamber after guide pin bushing fixed head and bracing wire guide pin bushing are mutually permanently connected by screw thread or on mount holder, the steel wire cover in flexible steel wire bracing wire is wrapped in the soft line of mechanism and drives on wheel disc; The soft line of mechanism in mechanism's main axis lead agency soft line drive unit drives wheel disc to rotate, thus drive the steel wire rope in flexible steel wire bracing wire driving torque to be sent to separate separating on transmission wheel disc in soft line transmission device, and then drive isolating switch spindle drive.
Effect of the present invention is the factor by needing the position dimension considered when decreasing and motor-operating mechanism and isolating switch are installed in switch cubicle.Isolating switch cabinet as having circuit breaker function needed wide for cabinet size to be amplified to 1200mm by originally installing isolating switch, utilized the 90mm that wide for cabinet size can reduce by this flexible gearing.Greatly improve the design efficiency of the isolating switch cabinet with isolating switch function.The design of current isolating switch cabinet carefully need calculate on drive mechanism.The general drive mechanism design cycle is 3 working days again, but use this flexible gearing only to need 1 working day, faultless complete design can be facilitated, shorten the design cycle, improve design environment, add the design flexibility of primary system, the enforcement of a strong support electric railway scheme and realizability.For 27.5kV high-pressure system conceptual design provides diversity.Armouring class is needed to the providing convenience property of switch cubicle drive mechanism design of the function with isolating switch.Favourable guarantee is given for the drive mechanism realizing scheme Design and isolating switch meets ability.
Accompanying drawing explanation
Fig. 1 is flexible gearing of the present invention assembling schematic diagram.
In figure:
1, soft line transmission device 2, flexible steel wire bracing wire is separated
3, the soft line drive unit 4 of mechanism, separate transmission wheel disc 5, guide pin bushing fixed head
6, bracing wire guide pin bushing 7, the soft line of mechanism drive wheel disc
Embodiment
By reference to the accompanying drawings isolating switch flexible gearing structure in the 27.5kV of being applicable to switch cubicle of the present invention is illustrated.
In the 27.5kV of being applicable to switch cubicle of the present invention, the design philosophy of isolating switch flexible gearing is installed in switch cubicle based on by isolating switch, is installed on by operating mechanism to be convenient to artificial maintenance and away from the position of isolating switch.So namely, meet personal safety during manual operation, can effectively utilize again operating mechanism to enter a point closing operation to the carrying out of isolating switch.The flexible steel wire bracing wire of this transmission device by isolating switch isolation ward steel plate, and does not affect the intensity of division board.Do not increase the size of switch cubicle.Reduce the original isolating switch function of switch cubicle and sheathed structure and realize operation control isolating switch deciliter.
In the 27.5kV of being applicable to switch cubicle of the present invention, isolating switch flexible gearing structure is, this transmission device is installed in the mechanism chamber of the operating mechanism of isolating switch cabinet, this transmission device includes and separates three parts of soft line transmission device 1 by the soft line drive unit 3 of flexible steel wire bracing wire 2 bindiny mechanism, forms flexible gearing.
Describedly separate soft line transmission device 1 and comprise and separate transmission wheel disc 4, guide pin bushing fixed head 5, bracing wire guide pin bushing 6, separate transmission wheel disc 4 to be fixedly connected with the main shaft of described isolating switch, guide pin bushing fixed head 5 and bracing wire guide pin bushing 6 by screw thread interfix and the base plate of mounting panel switch cubicle or be installed on side plate according to actual conditions, the steel wire cover in flexible steel wire bracing wire 2 is wrapped in and separates on transmission wheel disc 4;
Described flexible steel wire bracing wire 2 comprises steel wire rope and steel wire cover, and steel wire rope can slidably reciprocate in steel wire cover.Flexible steel wire bracing wire 2, wire under tension in transmission process.Steel wire sheath is subject to the pressure of the end from axis sheath two at transmission process.Ensure that steel wire slides in sheath.Thus achieving flexible steel wire when transmission, the power transmission that the soft line of main shaft lead agency not losing operating mechanism drives wheel disc 7 to export is to separating on transmission wheel disc 4.Realize operating mechanism and isolating switch to be realized deciliter by this flexible gearing.
Described mechanism soft line drive unit 3 comprises the soft line of mechanism and drives wheel disc 7, guide pin bushing fixed head 5, bracing wire guide pin bushing 6, the soft line of mechanism drives wheel disc 7 to be fixed by the transmission main shaft of bolt and described operating mechanism, on the sidewall being arranged on described operating mechanism mechanism chamber after guide pin bushing fixed head 5 and bracing wire guide pin bushing 6 are mutually permanently connected by screw thread or on mount holder, the steel wire cover in flexible steel wire bracing wire 2 is wrapped in the soft line of mechanism and drives on wheel disc 7.The soft line of mechanism that operating mechanism main shaft rotates in lead agency soft line drive unit 3 drives wheel disc 7 to rotate, thus drive the steel wire rope in flexible steel wire bracing wire 2 driving torque to be sent to separate separating on transmission wheel disc 4 in soft line transmission device 1, and then drive isolating switch spindle drive.
Describedly be applicable to isolating switch flexible gearing in 27.5kV switch cubicle, the wirerope diameter in described flexible steel wire bracing wire 2 is 3.5mm, maximum transmission is drawn as 1000N.Its steel wire sliding guide sleeve fixed head 5 and effect of bracing wire guide pin bushing 6 in steel wire cover prevent steel wire in transmission process because transmission is unstable and cause occurring steel wire deflection, to ensure the reliability that operating mechanism main shaft machine driving is rotated.
Claims (2)
1. one kind is applicable to isolating switch flexible gearing in 27.5kV switch cubicle, this transmission device is installed in the mechanism chamber of the operating mechanism of isolating switch cabinet, it is characterized in that: this transmission device includes and separates three parts of soft line transmission device (1) by the soft line drive unit (3) of flexible steel wire bracing wire (2) bindiny mechanism, form flexible gearing;
Describedly separate soft line transmission device (1) and comprise and separate transmission wheel disc (4), guide pin bushing fixed head (5), bracing wire guide pin bushing (6), separate transmission wheel disc (4) to be fixedly connected with the main shaft of described isolating switch, guide pin bushing fixed head (5) and bracing wire guide pin bushing (6) by screw thread interfix and the base plate of mounting panel switch cubicle or be installed on side plate according to actual conditions, the steel wire cover in flexible steel wire bracing wire (2) is wrapped in and separates on transmission wheel disc (4);
Described flexible steel wire bracing wire (2) comprises steel wire rope and steel wire cover, and steel wire rope can slidably reciprocate in steel wire cover;
Described mechanism soft line drive unit (3) comprises the soft line of mechanism and drives wheel disc (7), guide pin bushing fixed head (5), bracing wire guide pin bushing (6), the soft line of mechanism drives wheel disc (7) to be fixed by the transmission main shaft of bolt and described operating mechanism, on the sidewall being arranged on described operating mechanism mechanism chamber after guide pin bushing fixed head (5) and bracing wire guide pin bushing (6) are mutually permanently connected by screw thread or on mount holder, the steel wire cover in flexible steel wire bracing wire (2) is wrapped in the soft line of mechanism and drives on wheel disc (7); The soft line of mechanism in mechanism's main axis lead agency soft line drive unit (3) drives wheel disc (7) to rotate, thus drive the steel wire rope in flexible steel wire bracing wire (2) driving torque to be sent to separate separating on transmission wheel disc (4) in soft line transmission device (1), and then drive isolating switch spindle drive.
2. be applicable to isolating switch flexible gearing in 27.5kV switch cubicle according to claim 1, it is characterized in that: the wirerope diameter in described flexible steel wire bracing wire (2) is 3.5mm, maximum transmission is drawn as 1000N.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410718512.1A CN104362027A (en) | 2014-12-01 | 2014-12-01 | Flexible transmission device applicable to 27.5kV switch cabinet interior isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410718512.1A CN104362027A (en) | 2014-12-01 | 2014-12-01 | Flexible transmission device applicable to 27.5kV switch cabinet interior isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104362027A true CN104362027A (en) | 2015-02-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410718512.1A Pending CN104362027A (en) | 2014-12-01 | 2014-12-01 | Flexible transmission device applicable to 27.5kV switch cabinet interior isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104362027A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105977068A (en) * | 2016-07-01 | 2016-09-28 | 厦门三合利来智能科技有限公司 | Intelligent operating mechanism for high-voltage distribution equipment |
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|---|---|---|---|---|
| US4681255A (en) * | 1986-01-21 | 1987-07-21 | Drost Kerry P | Cable driven spa thermostat controller |
| JP2001084856A (en) * | 1999-09-10 | 2001-03-30 | Fuji Electric Co Ltd | Remote operation device for switch in device having cabinet structure |
| CN201877339U (en) * | 2010-12-10 | 2011-06-22 | 福州天一同益电气有限公司 | Operation mechanism with flexible interlocking device |
| WO2013026863A1 (en) * | 2011-08-23 | 2013-02-28 | Eaton Electrical Ip Gmbh & Co. Kg | Lockable side lever drive of an electrical switching device |
| CN203415477U (en) * | 2013-08-27 | 2014-01-29 | 湖北鼎鼎电气有限公司 | Isolating-switch operating mechanism |
| CN204424141U (en) * | 2014-12-01 | 2015-06-24 | 川铁电气（天津）集团有限公司 | Be applicable to isolating switch flexible gearing in 27.5kV switch cubicle |
-
2014
- 2014-12-01 CN CN201410718512.1A patent/CN104362027A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4681255A (en) * | 1986-01-21 | 1987-07-21 | Drost Kerry P | Cable driven spa thermostat controller |
| JP2001084856A (en) * | 1999-09-10 | 2001-03-30 | Fuji Electric Co Ltd | Remote operation device for switch in device having cabinet structure |
| CN201877339U (en) * | 2010-12-10 | 2011-06-22 | 福州天一同益电气有限公司 | Operation mechanism with flexible interlocking device |
| WO2013026863A1 (en) * | 2011-08-23 | 2013-02-28 | Eaton Electrical Ip Gmbh & Co. Kg | Lockable side lever drive of an electrical switching device |
| CN203415477U (en) * | 2013-08-27 | 2014-01-29 | 湖北鼎鼎电气有限公司 | Isolating-switch operating mechanism |
| CN204424141U (en) * | 2014-12-01 | 2015-06-24 | 川铁电气（天津）集团有限公司 | Be applicable to isolating switch flexible gearing in 27.5kV switch cubicle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105977068A (en) * | 2016-07-01 | 2016-09-28 | 厦门三合利来智能科技有限公司 | Intelligent operating mechanism for high-voltage distribution equipment |
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Application publication date: 20150218 |