CN2791978Y - Step-moving switch cabinet - Google Patents
Step-moving switch cabinet Download PDFInfo
- Publication number
- CN2791978Y CN2791978Y CN 200520094833 CN200520094833U CN2791978Y CN 2791978 Y CN2791978 Y CN 2791978Y CN 200520094833 CN200520094833 CN 200520094833 CN 200520094833 U CN200520094833 U CN 200520094833U CN 2791978 Y CN2791978 Y CN 2791978Y
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- switch assembly
- switch
- fixed
- cabinet
- bus
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Abstract
The utility model relates to step-moving switch cabinet which is a novel technical design proposal for a switch device of an electric power system. The utility model has the technical scheme that the utility model comprises a switch assembly, a machine frame and a cabinet body fixedly provided with a bus static contact and a branch bus static contact. The utility model is characterized in that a lift mechanism driven by a power mechanism is arranged between the switch assembly and the machine frame, and the lift mechanism carries the switch assembly to rise to be inserted with the bus static contact. The utility model has the advantage of reasonable design, the position and the movement of the switch assembly in the cabinet body and the is visual and clear; the insertion of movable and static contacts is direct, visible and measurable; in addition, when a switch is separated, an obvious separation broken opening can appear, the misjudgement and the faulty operation can be prevented, and the device and personal safety can be ensured. The ground occupation of the switch cabinet is small and is only 1/3 of the existing switch cabinet, the utility model has the advantages of resource saving, visualization and convenient operation and maintenance, and distribution automation adaptation, and the utility model can be manually operated, electrically operated or fully electrically operated.
Description
Technical field:
The utility model belongs to the complete switch equipment field that is applied to electric power system, particularly a kind of in switch cubicle in switch turnover line end and the cabinet clutch mode of bus be the terraced a kind of ladder moving type switch cabinet that moves.
Background technology:
Switch cubicle in transformer station, open and close in one's power that the switchgear house of residential quarters, industrial and mining enterprises, skyscraper is widely used, the amount multiaspect is wide, is crucial power equipment.Switch cubicle is divided into fixed and withdraw-type two big classes by the mounting means of main switch at present.The withdraw-type switch, use more generally, three types of drawer type, handcart-type and middles are arranged, it removes mode all is on the track of a horizontal plane, main switch before and after doing propelling or pull out, thereby realize the grafting of the bus in main switch turnover line end and the cabinet or separate.The advantage of moving the form switch cubicle is: the main switch that is installed on the dolly advances or extraction, and easy to replace and maintain, the standardization of switch dolly is made, and can exchange, to shorten the time of safeguarding and having a power failure; But the pusher structure in this front and back, the dynamic/static contact of bus and main switch can only be laid in cabinet rear portion and dolly front portion respectively, realizes pegging graft or separating, state can't O﹠E, do not have obvious fracture, can only rely on accurate machinery to determine, thereby the manufacture process requirement height.Three-phase bus all will be guided to the cabinet rear portion, and it is big to take bigger ground area.
Summary of the invention:
The purpose of this utility model provides a kind of switch cubicle of the new mode of removing, and switch assembly is done the oscilaltion ladder type and moved in cabinet, with the grafting that realizes bus in switch turnover line end and the cabinet with separate.
Technical solutions of the utility model are achieved in that a kind of ladder moving type switch cabinet, comprise switch assembly, frame, be fixed with bus and divide the cabinet of bus fixed contact, it is characterized in that being provided with between switch assembly and frame the elevating mechanism that is driven by actuating unit, elevating mechanism delivery switch assembly rises and bus static contact is pegged graft.
In addition, the top of switch assembly is aligned in sequence with the inlet wire moving contact from front to back, the outlet moving contact is arranged in the side of switch assembly, be fixed on the cabinet top with inlet wire moving contact corresponding bus lines fixed contact, and the branch bus fixed contact corresponding with the outlet moving contact is fixed on the sidepiece of cabinet.The frame that is loaded with switch assembly pushes in the cabinet in place along track, hand behaviour or electricity behaviour drive elevating mechanism, elevating mechanism carries up turnover line moving contact and the bus static contact until switch of switch assembly and plugs, and arranges successively before and after three-phase turnover contact becomes, and all can observe directly.
Elevating mechanism preferably adopts the screw mandrel rotating mechanism, and the silk piece is fixed on the switch assembly, and screw mandrel is installed on the frame, screw mandrel and actuating unit interlock.Screw mandrel is not only simple in structure with cooperating of silk piece, driving is stable, reliable, and has auto-lock function, guarantees that the grafting of switch and bus contact accurately puts in place.
The utlity model has reasonable in design, simple in structure, the position of switch assembly in cabinet and mobile simple and clear, that dynamic and static contact is pegged graft is directly perceived, as seen, can survey, and tangible isolation fracture is arranged during the switch separation, prevent that erroneous judgement is disconnected, misoperation, the safety of the assurance equipment and the person.The switch cubicle floor space is little, has only 1/3 of existing switch cubicle; Economize on resources; As seen visual, be convenient to operation and maintenance; Hand behaviour or electricity behaviour or all-electric operation adapt to distribution automation.
Description of drawings:
Below in conjunction with concrete legend the utility model is described further:
Fig. 1 (a) is the ladder moving type switch cabinet structural representation (b)
Fig. 2 frame schematic diagram
Fig. 3 frame side view
Fig. 4 frame and switch assembly graph of a relation
Fig. 5 pinion and-rack elevating mechanism
Fig. 6 hydraulic pressure lifting mechanism
Fig. 7 sprocket wheel chain-type elevating mechanism
Wherein
1-cabinet, 2-switch assembly, 21-inlet wire moving contact
22-outlet moving contact, 3-frame, 31-guide rail
32-slide block, 4-bus, 41-bus static contact
5-minute bus 51-minute bus fixed contact 6-screw mandrel
61-silk piece, 7-gear, 71-tooth bar
8-oil cylinder, 81-push rod, 9-sprocket wheel
91-chain 10-driving rotating shaft 101-bevel reduction gear set
Embodiment:
With reference to Fig. 1, a kind of ladder moving type switch cabinet comprises frame 3, rack rail and cabinet 1 that switch assembly 2 is installed, and switch assembly 2 includes on-load switch or switchgears such as circuit breaker or contactor, bus 4 crosses cabinet 1 top, and is connected with three-phase bus fixed contact 41 respectively.Also have in the cabinet other electrical equipment as: branch buses 5 such as instrument transformer, earthed switch, cable connect into the loop, divide to be fixed with the branch bus fixed contact 51 that can peg graft with switch assembly outlet moving contact 22 on the bus.Switch assembly 2 is installed on the frame 3, and 3 of switch assembly 2 and frames are provided with the elevating mechanism that is driven by actuating unit.Switch assembly 2 can push or pull out in the cabinet along with the track of frame 3 along cabinet 1, and its relatively frame 3 do lifting, reach the purpose of pegging graft or separating.Fig. 1 (a) is in released state for switch assembly and line line.When driving 2 risings of elevating mechanism drive switch assembly, actuating unit docks with bus static contact 41 until the inlet wire moving contact 21 of switch assembly 2, simultaneously, the outlet moving contact 22 of switch assembly 2 dock synchronously with dividing bus fixed contact 51, realized switch always with being connected of cabinet interior bus, as Fig. 1 (b).At this moment can carry out the closing of switch, sub-switching operation.When switch assembly closes a floodgate, connect circuit; During separating brake, open circuit.When the switch separating brake, open circuit, the reverse drive elevating mechanism has been realized separating of switch and bus.Only under the switch gate-dividing state, could drive elevating mechanism, the realization switch is pegged graft with bus and is separated, and this is realized by the operating mechanism of switch and the machinery and the electrical interlock of elevating mechanism strictness.Adopt the mode of lifting to realize connecting or separating, the dynamic and static contact of three-phase is consistent with the bus trend, thereby is arranged in order from front to back, and its connection or released state come into plain view, and save the space and have accounted for area, make cabinet body structure compact more.
With reference to Fig. 2 and Fig. 3, the elevating mechanism on this legend mid frame is the example explanation with the screw mandrel rotating mechanism.3 of switch assembly 2 and frames are respectively equipped with position limiting slide block 32 and the guide rail 31 that cooperatively interacts, switch assembly 2 is fixing with position limiting slide block 32, integral body can be done along two guide rails 31 and slide up and down, and guarantees that switch assembly operates steadily the butt joint of dynamic and static contact accurately and display position.Silk piece 61 in the screw mandrel rotating mechanism is fixed on the switch assembly 2, and screw mandrel 6 is installed on the frame 3, screw mandrel 6 and actuating unit interlock.Actuating unit described here can be electricity behaviour or hand behaviour, and both combinations.One drives rotating shaft 10 is in transmission connection through bevel reduction gear set 101 and screw mandrel 6, and rotating shaft 10 can directly be connected the realization electric operating with motor output shaft, and perhaps lever is inserted in, manual operation in the end outside it stretches out frame 3.Silk piece 61 is in the moving upstream or downstream down of the body of screw mandrel 6, and the moving contact that drives switch assembly is realized pegging graft or separating with the fixed contact in the cabinet.This textural association is a preferred example, and screw mandrel not only has the steady reliable characteristics of driving with cooperating of silk piece, and has auto-lock function.
With reference to Fig. 4, be frame 3 schematic diagrames that switch assembly 2 is installed, switch assembly 2 is fixed on the frame 3 through slide block 32 and guide rail 31, and drive silk pieces 61 by the screw mandrel in the elevating mechanism 6 and do oscilaltion and slide, thereby realize that switch assembly is into and out of line moving contact 21,22 and bus static contact 41 with divide the butt joint of bus fixed contact 51 or separate.
Elevating mechanism also can adopt pinion and rack, sprocket wheel link chain mechanism or hydraulic mechanism etc. except that the rotation elevating mechanism that last routine screw mandrel silk piece cooperates, be described further below in conjunction with concrete legend:
With reference to Fig. 5, elevating mechanism is a pinion and rack, and tooth bar 71 is fixed on the switch assembly 2, and gear 7 is positioned on the frame 3, gear 7 and actuating unit interlock.
With reference to Fig. 6, elevating mechanism is a hydraulic mechanism, and the oil cylinder 8 of hydraulic mechanism is fixed on the switch assembly 2, and push rod 81 ends are fixed on the frame 3, and driving mechanism is-oil pump, by the moving cylinder action of hydraulic oil pump body.Up or descending reliable rapidly in order to make, hydraulic mechanism is that 8, one of the opposite hydraulic jacks of a pair of active force are servo up, and one servo descending.
With reference to Fig. 7, elevating mechanism is the sprocket wheel link chain mechanism, and switch assembly 2 is fixed on the chain 91, and 9 of pair of sprocket are positioned on the frame 3, wherein a sprocket wheel 9 and actuating unit interlock.Power driven sprockets 9 is rotated, and it is up or descending to drive the chain 91 that is fixed with platform.
Elevating mechanism, actuating unit that the above has drive connection all have necessary variable speed relationship, with reach electronic or manual operation is lighter, in switch assembly and the cabinet clutch of bus more steady.The position limiting slide block that example provides is located on the switch assembly; it also is a kind of special case that guide rail is installed on the frame; its both transpositions; also be that guide rail is installed on the switch assembly; position limiting slide block is fixed on the frame and also can be effective equally, so the utility model protection range should not got rid of the structure of this type of transposition.
Claims (8)
1, a kind of ladder moving type switch cabinet, comprise switch assembly, frame, be fixed with bus and divide the cabinet of bus fixed contact, it is characterized in that being provided with between switch assembly and frame the elevating mechanism that is driven by actuating unit, elevating mechanism delivery switch assembly rising and bus and branch bus fixed contact are pegged graft.
2, ladder moving type switch cabinet according to claim 1, the top that it is characterized in that switch assembly is aligned in sequence with the inlet wire moving contact from front to back, the outlet moving contact is arranged in the side of switch assembly, be fixed on the cabinet top with inlet wire moving contact corresponding bus lines fixed contact, and the branch bus fixed contact corresponding with the outlet moving contact is fixed on the sidepiece of cabinet.
3, ladder moving type switch cabinet according to claim 1 is characterized in that being respectively equipped with between switch assembly and frame guide rail and the position limiting slide block that cooperatively interacts.
4, according to claim 1 or 3 described ladder moving type switch cabinets, it is characterized in that elevating mechanism is the screw mandrel rotating mechanism, the silk piece is fixed on the switch assembly, and screw mandrel is installed on the frame, screw mandrel and actuating unit interlock.
5, according to claim 1 or 3 described ladder moving type switch cabinets, it is characterized in that elevating mechanism is a pinion and rack, tooth bar is fixed on the switch assembly, and gear is positioned on the frame, gear and actuating unit interlock.
6, according to claim 1 or 3 described ladder moving type switch cabinets, it is characterized in that elevating mechanism is the sprocket wheel link chain mechanism, switch assembly is fixed on the chain, and the pair of sprocket axle is positioned on the frame, a sprocket wheel and actuating unit interlock.
7, according to claim 1 or 3 described ladder moving type switch cabinets, it is characterized in that elevating mechanism is a hydraulic mechanism, the oil cylinder of hydraulic mechanism is fixed on the switch assembly, and the push rod end is fixed on the frame, and driving mechanism is-oil pump.
8, ladder moving type switch cabinet according to claim 7 is characterized in that hydraulic mechanism is-hydraulic jack opposite to active force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520094833 CN2791978Y (en) | 2005-01-04 | 2005-01-04 | Step-moving switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520094833 CN2791978Y (en) | 2005-01-04 | 2005-01-04 | Step-moving switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2791978Y true CN2791978Y (en) | 2006-06-28 |
Family
ID=36808023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520094833 Expired - Fee Related CN2791978Y (en) | 2005-01-04 | 2005-01-04 | Step-moving switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2791978Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105225868B (en) * | 2015-11-05 | 2017-07-11 | 贵州长通电气有限公司 | A kind of breaker control mechanism in switch cubicle |
| CN112909750A (en) * | 2021-01-29 | 2021-06-04 | 云南电网有限责任公司电力科学研究院 | Switch cabinet |
| CN113820521A (en) * | 2021-08-31 | 2021-12-21 | 中通服慧展科技有限公司 | Intelligent electronic box for exhibition hall and control method thereof |
-
2005
- 2005-01-04 CN CN 200520094833 patent/CN2791978Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105225868B (en) * | 2015-11-05 | 2017-07-11 | 贵州长通电气有限公司 | A kind of breaker control mechanism in switch cubicle |
| CN112909750A (en) * | 2021-01-29 | 2021-06-04 | 云南电网有限责任公司电力科学研究院 | Switch cabinet |
| CN113820521A (en) * | 2021-08-31 | 2021-12-21 | 中通服慧展科技有限公司 | Intelligent electronic box for exhibition hall and control method thereof |
| CN113820521B (en) * | 2021-08-31 | 2024-02-02 | 中通服慧展科技有限公司 | Intelligent electric box for exhibition hall and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060628 Termination date: 20100204 |