CN207441555U - A kind of high current electric ground switch - Google Patents

A kind of high current electric ground switch Download PDF

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Publication number
CN207441555U
CN207441555U CN201721109232.6U CN201721109232U CN207441555U CN 207441555 U CN207441555 U CN 207441555U CN 201721109232 U CN201721109232 U CN 201721109232U CN 207441555 U CN207441555 U CN 207441555U
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China
Prior art keywords
gear
shifting block
switch
axis
fixed
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Application number
CN201721109232.6U
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Chinese (zh)
Inventor
徐家成
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Zhejiang Jiacheng Electric Technology Co Ltd
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Zhejiang Jiacheng Electric Technology Co Ltd
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Priority to CN201721109232.6U priority Critical patent/CN207441555U/en
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Abstract

The utility model discloses a kind of high current electric ground switch, specifically include a kind of motor drive mechanism, the motor drive mechanism includes driver plate, shifting block, travel switch, transmission gear, earthing switch operates axis hole, sector gear, intermediate gear, decelerator, shifting block gear, elastic cylindrical pin and transmission shaft, be connected transmission gear on the output shaft of the decelerator, it is driven by tooth and is connected with shifting block gear, shifting block gear empty set is on transmission shaft, shifting block is fixed on handsetting gear, driver plate and intermediate gear are fixed on elastic cylindrical pin on transmission shaft, intermediate gear is driven by tooth to be connected with sector gear, the axis both ends of sector gear are mounted on mechanism case, axis is hexagonal through hole, it can be directly sleeved in earthing switch operating shaft and drive its rotation, it is switched to operational grounding.The electric ground switch course of work described in the utility model is easier, more with security.

Description

A kind of high current electric ground switch
Technical field
The utility model is related to a kind of earthing switch more particularly to a kind of high current electric ground switch.
Background technology
Earthing switch is for the mechanical switch of circuit ground part, belongs to disconnecting switch classification, it can be in a timing The interior electric current born under non-normal condition.And existing earthing switch closing operation is driven by operation lever band moving gear , during combined floodgate, moving contact and static contact be by spring return function, it is this for the synchronism of earthing switch and the positioning of spring Rack needs many springs to strangle plate, and left and right has respectively had more one piece of side plate, consumes substantial amounts of extra material;And these springs are strangled Plate, side plate are bolted between each other, and powerful impact force can cause to fix these bolt loosenesses, as long as bolt loosens, This switch just must depot repair;In addition, traditional earthing switch structure of contact terminal is to lean on spring pressure by two copper coins It is pressed on the copper static contact of monolithic, this structural integrity is poor, and electric property is unreliable, and operating force is big, and combined floodgate short circuit current flow is easy It is open.Especially by contact during high current easily by scorification, hidden danger is brought to operation power.In conclusion existing ground connection The rack manufacture of switch is of high cost, complicated, and the loosely organized performance for easily leading to switch is not sufficiently stable, and even there is peace Full hidden danger.
Utility model content
The purpose of this utility model is to provide a kind of high current electric ground switch, to solve to carry in above-mentioned background technology The problem of going out.To achieve the above object, the utility model provides following technical solution:
A kind of high current electric ground switch, it is described quiet including static contact, moving contact, main shaft, motor drive mechanism and pedestal Contact is fixed on by insulator on pedestal, and the moving contact is fixed on by connecting lever on main shaft, the main shaft both ends activity peace On pedestal, it is characterised in that:The motor drive mechanism includes driver plate, shifting block, travel switch, transmission gear, earthing switch behaviour Make axis hole, sector gear, intermediate gear, decelerator, shifting block gear, elastic cylindrical pin and transmission shaft, the deceleration electric Be connected transmission gear on the output shaft of machine, is driven by tooth and is connected with shifting block gear, and shifting block gear empty set is dialled on transmission shaft Block is fixed on handsetting gear, and driver plate and intermediate gear are fixed on elastic cylindrical pin on transmission shaft, and intermediate gear is passed by tooth Dynamic to be connected with sector gear, the axis both ends of sector gear are mounted on mechanism case, and axis is hexagonal through hole, can be directly sleeved on and connect Its rotation is driven on ground switching manipulation axis, is switched to operational grounding, the static contact has three side by side, the company of being respectively used to Connect high voltage bus;Also corresponding three had side by side, three moving contacts pass through screw rod, casing and fastener and connect the moving contact One is connected into, two of side have been respectively articulated with spring between moving contact and pedestal, the both ends of the screw rod, which are connected to, to be connect Ground busbar.
Further, the motor output shaft of the decelerator is equipped with axle sleeve.
Further, the motor drive mechanism is fixed on stent, and the stent is fixed on pedestal.
Further, the torque of the decelerator output is transferred to by transmission gear on shifting block gear, shifting block tooth Shifting block on wheel drives driver plate to be transferred to torque on sector gear by transmission shaft and intermediate gear, sector gear operational grounding Switching manipulation axis completes the operation to earthing switch.
Further, the earth bus is soft connecting line.
Compared with prior art, the beneficial effects of the utility model are:With earthing switch from "on" position to gate-dividing state Illustrate the operation principle of motor-operating mechanism to the working cycles of "on" position again.First, earthing switch is in "on" position, A ready position at shifting block, driver plate rotate the limitation from shifting block in the range of 180 ° clockwise, and earthing switch can carry out hand Dynamic sub-switching operation is.When will be to ground connection switch on/off electric sub-switching operation, control module detects the state of operating system first, when true Determine earthing switch and be in "on" position without mistaking, send instruction, motor rotates forward, shifting block drive driver plate rotate clockwise until Grounding switch tripping.Grounding switch tripping moment, the position sensor on earthing switch send signal to control module, Module control motor rotates backward, and shifting block returns counterclockwise to ready position, and shifting block shake-up stroke is opened when reaching ready position It closes, travel switch goes out signal to control module, and control shifting block is parked in ready position, and earthing switch completes closing operation, at this point, dialling Disk rotates the limitation from shifting block in the range of 180 ° counterclockwise, and earthing switch can carry out closing by hand operation, closing operation When, control module detects the state of operating system first, when definite earthing switch is in gate-dividing state without mistaking, sends instruction, Motor rotates backward, and shifting block drives driver plate to rotate counterclockwise until earthing switch closes a floodgate.Earthing switch closes a floodgate moment, is installed in Earthing switch.
Description of the drawings
Fig. 1 is the structure diagram of the utility model;
Fig. 2 is the structure diagram of the utility model motor mechanism;
Fig. 3 is the side view of the motor mechanism of the utility model.
Fig. 4 is the motion state schematic diagram of the utility model.
In reference numeral:1- moving contacts;2- static contacts;3- main shafts;4- pedestals;5- screw rods;6- casings;7- springs;8- is dialled Disk;9- shifting blocks;10- travel switches;11- transmission gears;12- earthing switches operate axis hole;13- sector gears;14- center tooths Wheel;15- decelerators;16- shifting block gears;17- elastic cylindrical pins;18- transmission shafts.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work All other embodiments obtained shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the utility model provides a kind of technical solution:
A kind of high current electric ground switch, including static contact 2, moving contact 1, main shaft 3, motor drive mechanism and pedestal 4, institute It states static contact 2 to be fixed on pedestal 4 by insulator, the moving contact 1 is fixed on by connecting lever on main shaft 3,3 liang of the main shaft End is movably arranged on pedestal 4, and the motor drive mechanism is opened including driver plate 8, shifting block 9, travel switch 10, transmission gear 11, ground connection It closes operation axis hole 12, sector gear 13, intermediate gear 14, decelerator 15, shifting block gear 16, elastic cylindrical pin 17 and passes Moving axis 18, be connected on the output shaft of the decelerator 15 transmission gear 11, passes through tooth transmission and 16 phase of shifting block gear Connection, on transmission shaft 18, shifting block 9 is fixed on handsetting gear 16 16 empty set of shifting block gear, and driver plate 8 and intermediate gear 14 use bullet Property straight pin 17 be fixed on transmission shaft 18, intermediate gear 14 is driven by tooth to be connected with sector gear 13, sector gear 13 Axis both ends are mounted on mechanism case, and axis is hexagonal through hole, can be directly sleeved on main shaft and drive its rotation, to operational grounding Switch, the static contact 2 have three side by side, are respectively used to connection high voltage bus;The moving contact 1 is also corresponding to be had side by side Three, three moving contacts 1 are linked into an integrated entity by screw rod 5, casing 6 and fastener, two moving contacts 1 on side and bottom Spring 7 is respectively articulated between seat 4, the both ends of the screw rod 5 are connected to earth bus.
Further, the motor output shaft of the decelerator 15 is equipped with axle sleeve.
Further, the motor drive mechanism is fixed on stent, and the stent is fixed on pedestal 4.
Further, the torque that the decelerator 15 exports is transferred to by transmission gear 11 on shifting block gear 16, Shifting block 9 on shifting block gear 16 drives driver plate 8 to be transferred to torque on sector gear 13 by transmission shaft 18 and intermediate gear, fans 13 operation axis 3 of shape gear completes the operation to earthing switch.
Further, the earth bus is soft connecting line.
Operation principle:Electricity is illustrated to the working cycles of "on" position with earthing switch again from "on" position to gate-dividing state The operation principle of pneumatic operating mechanism.First, earthing switch is in "on" position, and a ready position at shifting block, driver plate is clockwise The limitation from shifting block is rotated in the range of 180 °, earthing switch, which can carry out manual brake separating operation, is.When electric to earthing switch During dynamic sub-switching operation, control module detects the state of operating system first, when definite earthing switch is in "on" position without mistaking, Instruction is sent, motor 15 rotates forward, and shifting block 9 drives driver plate 8 to rotate clockwise until grounding switch tripping.Grounding switch tripping Moment, the position sensor on earthing switch send signal to control module, and module control motor 15 is rotated backward, dialled Block returns counterclockwise to ready position, and the shake-up of shifting block 9 travel switch 10, travel switch 10 go out signal when reaching ready position To control module, control shifting block is parked in ready position, and earthing switch completes closing operation.At this point, driver plate 8 is in 180 ° of models counterclockwise Limitation of the interior rotation from shifting block is enclosed, earthing switch can carry out closing by hand operation, and during closing operation, control module is examined first The state of operating system to be surveyed, when definite earthing switch is in gate-dividing state without mistaking, sends instruction, motor 15 rotates backward, Shifting block 9 drives driver plate 8 to rotate counterclockwise until earthing switch closes a floodgate.Earthing switch closes a floodgate moment, is installed in earthing switch.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art, It is appreciated that in the case where not departing from the principle of the utility model and spirit can these embodiments be carried out with a variety of variations, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of high current electric ground switch, including static contact (2), moving contact (1), main shaft (3), motor drive mechanism and pedestal (4), the static contact (2) is fixed on by insulator on pedestal (4), and the moving contact (1) is fixed on main shaft (3) by connecting lever On, main shaft (3) both ends are movably arranged on pedestal (4), it is characterised in that:The motor drive mechanism includes driver plate (8), shifting block (9), travel switch (10), transmission gear (11), earthing switch operation axis hole (12), sector gear (13), intermediate gear (14), Decelerator (15), shifting block gear (16), elastic cylindrical pin (17) and transmission shaft (18), the decelerator (15) it is defeated Be connected transmission gear (11) on shaft, is driven by tooth and is connected with shifting block gear (16), shifting block gear (16) empty set is being driven On axis (18), shifting block (9) is fixed on handsetting gear (16), and driver plate (8) and intermediate gear (14) are solid with elastic cylindrical pin (17) It is scheduled on transmission shaft (18), intermediate gear (14) is driven by tooth to be connected with sector gear (13), the axis two of sector gear (13) End is mounted on mechanism case, and axis is hexagonal through hole, can be directly sleeved on main shaft and drive its rotation, be opened to operational grounding It closes, the static contact (2) has three side by side, is respectively used to connection high voltage bus;The moving contact (1) is also corresponding to be had simultaneously Three of row, three moving contacts (1) are linked into an integrated entity by screw rod (5), casing (6) and fastener, and two of side are dynamic tactile Spring (7) is respectively articulated between head (1) and pedestal (4), the both ends of the screw rod (5) are connected to earth bus.
2. a kind of high current electric ground switch according to claim 1, it is characterised in that:The decelerator (15) Motor output shaft be equipped with axle sleeve.
3. a kind of high current electric ground switch according to claim 1, it is characterised in that:The motor drive mechanism is fixed on On stent, the stent is fixed on pedestal (4).
4. a kind of high current electric ground switch according to claim 1, it is characterised in that:The decelerator (15) The torque of output is transferred to by transmission gear (11) on shifting block gear (16), and the shifting block (9) on shifting block gear (16), which drives, to be dialled Torque is transferred to by transmission shaft (18) and intermediate gear on sector gear (13) by disk (8), sector gear (13) operation axis (3) operation to earthing switch is completed.
5. a kind of high current electric ground switch according to claim 1, it is characterised in that:The earth bus is soft Connecting line.
CN201721109232.6U 2017-08-31 2017-08-31 A kind of high current electric ground switch Active CN207441555U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721109232.6U CN207441555U (en) 2017-08-31 2017-08-31 A kind of high current electric ground switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721109232.6U CN207441555U (en) 2017-08-31 2017-08-31 A kind of high current electric ground switch

Publications (1)

Publication Number Publication Date
CN207441555U true CN207441555U (en) 2018-06-01

Family

ID=62301199

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721109232.6U Active CN207441555U (en) 2017-08-31 2017-08-31 A kind of high current electric ground switch

Country Status (1)

Country Link
CN (1) CN207441555U (en)

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