CN113140425A - Single-pole three-station electric isolating switch for locomotive and use method thereof - Google Patents
Single-pole three-station electric isolating switch for locomotive and use method thereof Download PDFInfo
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- CN113140425A CN113140425A CN202110478165.XA CN202110478165A CN113140425A CN 113140425 A CN113140425 A CN 113140425A CN 202110478165 A CN202110478165 A CN 202110478165A CN 113140425 A CN113140425 A CN 113140425A
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/58—Electric connections to or between contacts; Terminals
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/58—Electric connections to or between contacts; Terminals
- H01H1/5866—Electric connections to or between contacts; Terminals characterised by the use of a plug and socket connector
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/16—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. for a door switch, a limit switch, a floor-levelling switch of a lift
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/26—Power arrangements internal to the switch for operating the driving mechanism using dynamo-electric motor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/16—Indicators for switching condition, e.g. "on" or "off"
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- Electromagnetism (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The invention discloses a locomotive unipolar three-station electric isolating switch and a using method thereof, wherein the switch comprises a frame body, a first wiring board, a second wiring board, a third lower wiring board, a third upper wiring board, an isolating knife part and an electric operating mechanism, wherein the first wiring board forms a first wiring position, the second wiring board forms a second wiring position, a third wiring position is arranged between the third lower wiring board and the third upper wiring board, the first wiring board, the second wiring board, the third lower wiring board and the third upper wiring board respectively comprise double-layer insulating rods and wiring boards, and the frame body is provided with a plurality of travel switches for detecting the rotating position of the isolating knife part; the method comprises the following steps: operating the connection conduction of the first wire connecting position and the third wire connecting position; operating the connection conduction of the second wire connecting position and the third wire connecting position; and operating a three-station state in which the first wire connecting position and the second wire connecting position are disconnected from the third wire connecting position. The invention has small volume and can ensure that three stations are switched in place to meet the requirements of locomotives.
Description
Technical Field
The invention belongs to the technical field of urban rail transit, and particularly relates to a single-pole three-position electric isolating switch for a locomotive and a using method thereof.
Background
Since the 21 st century, urban rail transit construction with the characteristics of energy conservation, rapidness and large traffic volume is gradually concerned by various large cities, particularly, the construction development in recent years is more rapid and steady, and the urban rail transit construction comprises a subway system, a monorail system, urban rapid rail transit, a magnetic levitation system and the like, and is important for urban construction. The locomotive is used as the only manned equipment in the rail transit, the stability, the reliability, the controllability and the like of the locomotive are really related to the safety of personnel, particularly the switching between the line power supply and the static adjustment and maintenance needs to be simple, convenient and reliable, and the switching adopts the manual operation of a multi-position switch, so that the locomotive is large in labor waste of personnel, short in operation rapidness, easy to limit and the like.
Therefore, the single-pole three-position electric isolating switch for the locomotive is urgently needed, is convenient and safe to operate and small in size, and can ensure that three positions are switched in place to meet the requirements of the locomotive.
Disclosure of Invention
The invention aims to solve the technical problem of providing a single-pole three-position electric isolating switch for a locomotive and a using method thereof, aiming at the defects in the prior art, wherein the single-pole three-position electric isolating switch is reasonable in design, convenient and safe to operate, small in size and capable of ensuring that three positions are switched in place so as to meet the requirements of the locomotive.
In order to solve the technical problems, the invention adopts the technical scheme that: the utility model provides an electronic isolator of monopole three-station for locomotive which characterized in that: the isolation knife component is arranged in the frame body, and the electric operating mechanism is arranged on the frame body and drives the isolation knife component to rotate;
the first wire connecting position and the second wire connecting position are located at one end of the isolation knife part, the third wire connecting position is located at the other end of the isolation knife part, and the isolation knife part rotates to conduct connection between the first wiring board and the third lower wiring board, so that connection conduction between the first wire connecting position and the third wire connecting position is achieved; or the second wiring board and the third upper wiring board are connected and conducted to realize the connection and conduction of the second wiring position and the third wiring position; or the first wiring board and the third lower wiring board and the second wiring board and the third upper wiring board are disconnected, and the isolation knife part is parallel to the bottom base surface of the frame body, so that a three-station state that the first wiring position and the second wiring position are disconnected from the third wiring position is realized;
the first wiring board, the second wiring board, the third lower wiring board and the third upper wiring board respectively comprise a double-layer insulating rod arranged on the frame body and positioned in the frame body and a wiring board sleeved on the double-layer insulating rod;
the frame body is provided with a plurality of travel switches for detecting the rotating positions of the isolation knife parts.
Foretell three station electric isolator of monopole for locomotive, its characterized in that: the frame body comprises a first vertical side plate and a second vertical side plate arranged in parallel with the first vertical side plate, a first base plate is arranged at the bottom of the first vertical side plate, a second base plate is arranged at the bottom of the second vertical side plate, and a plurality of mounting holes are formed in the first base plate and the second base plate;
the isolation knife component and the double-layer insulating rod are both positioned between the first vertical side plate and the first vertical side plate.
Foretell three station electric isolator of monopole for locomotive, its characterized in that: the lower part of the first vertical side plate is provided with a first insulating wire passing hole and a pin type wiring terminal, and the pin type wiring terminal is installed on the lower part of the first vertical side plate through an installation plate;
the lower part of the second vertical side plate is provided with a power filter and a second insulating wire passing hole, the middle part of the second vertical side plate is provided with a wiring bar, the upper part of the second vertical side plate is provided with a contactor, and the electric operating mechanism is positioned between the power filter and the contactor.
Foretell three station electric isolator of monopole for locomotive, its characterized in that: the electric operating mechanism comprises a motor, a speed reducer in transmission connection with an output shaft of the motor and a transmission part which is arranged in the speed reducer in a penetrating way and is in transmission connection;
keep apart the cutter unit and include that first isolation cutting board and second keep apart the cutting board, be provided with the clearance between first isolation cutting board and the second isolation cutting board, drive disk stretches out the pot head that stretches out of support body is equipped with the stroke stopper.
Foretell three station electric isolator of monopole for locomotive, its characterized in that: the transmission part is including dismantling first section main shaft, first insulator, isolation sword connecting piece, second insulator and the second section main shaft of connecting in proper order, the transmission is connected in the speed reducer is worn to establish by the one end of first section main shaft, the other end and the first insulator of first section main shaft are connected, the one end and the second insulator of second section main shaft are connected, the end that stretches out of second section main shaft is established to the stroke stopper cover.
Foretell three station electric isolator of monopole for locomotive, its characterized in that: spring parts are symmetrically arranged at two ends of the first isolation cutter plate and the second isolation cutter plate, each spring part comprises a first pressing plate, a second pressing plate, a pin shaft and a cutter shaft which are connected between the first pressing plate and the second pressing plate, and a spring sleeved at the end part of the cutter shaft extending out of the second pressing plate, spring pressing bowls are arranged at two ends of the spring, the two spring pressing bowls are sleeved on the cutter shaft, one spring pressing bowl is in contact with the second pressing plate, the other spring pressing bowl is positioned at the end part of the cutter shaft extending out of the second pressing plate, the pin shaft and the cutter shaft both penetrate through the first isolation cutter plate and the second isolation cutter plate, the first pressing plate is positioned at the outer side of the end part of the first isolation cutter plate, and the second pressing plate is positioned at the outer side of the end part of the second isolation cutter plate;
the end parts of the first isolation cutting board and the second isolation cutting board are provided with a pin hole for a pin shaft to penetrate through, a seam and a mounting hole which is communicated with the seam and is used for a cutter shaft to penetrate through, and the middle parts of the first isolation cutting board and the second isolation cutting board are provided with square holes;
and contact pieces are arranged on the inner side surfaces of the end parts of the first isolation cutting board and the second isolation cutting board.
Foretell three station electric isolator of monopole for locomotive, its characterized in that: the isolation knife connecting piece comprises a first section part, a second section part, a third section part, a fourth section part and a fifth section part which are sequentially connected and integrally formed, the cross section of the outer side wall of the first section part is smaller than that of the outer side wall of the second section part, the first insulator is sleeved on the first section part, and the end face of the first insulator is attached to the second section part; the lateral wall cross-section of third section portion is greater than the lateral wall cross-section of second section portion, first isolation cutting board cover is established in the second section portion, fourth section portion and second section portion structure are the same and the symmetry is laid, second isolation cutting board cover is established in the fourth section portion, fifth section portion and first section portion structure are the same and the symmetry is laid, the lateral wall cross-section of fifth section portion is less than the lateral wall cross-section of fourth section portion, the second insulator cover is established in fifth section portion, just the terminal surface laminating fourth section portion of second insulator.
Foretell three station electric isolator of monopole for locomotive, its characterized in that: the first wiring board comprises a first double-layer insulating rod arranged in the rack body and a first wiring board sleeved on the first double-layer insulating rod, a first external wiring board is connected to the first wiring board, and the first external wiring board is a first wiring position;
the second wiring board comprises a second double-layer insulating rod arranged in the frame body and a second wiring board sleeved on the second double-layer insulating rod, a second outer wiring board is connected to the second wiring board, and the second outer wiring board is a second wiring position;
the third lower wiring board is including setting up double-deck insulator spindle, cover are established under the internal third of frame third lower wiring board on the double-deck insulator spindle of third, the wiring board is including setting up on the third double-deck insulator spindle, cover are established on the internal third of frame wiring board on the third, be provided with vertical connecting plate between the wiring board on third lower wiring board and the third, be provided with the third external tapping board on the vertical connecting plate, the third external tapping board is the third wiring position.
Foretell three station electric isolator of monopole for locomotive, its characterized in that: the first double-layer insulating rod, the second double-layer insulating rod, the third lower double-layer insulating rod and the third upper double-layer insulating rod are of the same structure, and the first double-layer insulating rod, the second double-layer insulating rod, the third lower double-layer insulating rod and the third upper double-layer insulating rod respectively comprise two double-layer insulating rods;
the two double-layer insulating rods respectively comprise an installation shaft arranged in the frame body in a penetrating mode, an inner insulating sleeve arranged on the installation shaft in a penetrating mode and two outer insulating sleeves arranged on the inner insulating sleeves in a penetrating mode, and a gap is formed between the two outer insulating sleeves; first wiring board, second wiring board, wiring board under the third and the wiring board is all established in the third the interior insulation sheathe in and be located between two outer insulation sheathes.
Meanwhile, the invention also discloses a use method of the single-pole three-station electric isolating switch for the locomotive, which has the advantages of simple method steps, reasonable design and good use effect, and is characterized by comprising the following steps:
a use method of a single-pole three-position electric isolating switch for a locomotive is characterized by comprising the following steps:
when the second wiring board and the third upper wiring board are operated to be connected and conducted to realize the connection and conduction of the second wiring position and the third wiring position, the specific process is as follows:
step A1, operating a motor to rotate, wherein the motor rotates to drive a first section of main shaft in a transmission part to rotate through a speed reducer;
step B1, the first section of main shaft rotates to sequentially drive the first insulator, the isolation knife connecting piece, the second insulator and the second section of main shaft to rotate;
step C1, the isolating knife connecting piece rotates to drive the isolating knife part to rotate, and the second section of main shaft drives the stroke limiting block to rotate;
step D1, in the process of rotation of the stroke limiting block, when the first stroke switch is disconnected after the stroke limiting block contacts the first stroke switch, the power supply of the main circuit of the motor is disconnected, which means that the second wiring board extends into one end of the isolation knife part for conduction connection, and the third upper wiring board extends into the other end of the isolation knife part for conduction connection, so that connection and conduction of the second wire connecting position and the third wire connecting position are realized;
when the first wiring board and the third wiring board are operated to be connected and conducted to realize the connection and conduction of the first wiring position and the third wiring position, the specific process is as follows:
step A2, operating the motor to rotate continuously, and driving the first section of the main shaft in the transmission part to rotate continuously by the motor through the speed reducer;
step B2, the first section of main shaft continuously rotates to sequentially drive the first insulator, the isolation knife connecting piece, the second insulator and the second section of main shaft to continuously rotate;
step C2, the isolating knife connecting piece continues to rotate to drive the isolating knife part to continue to rotate, and the second section of main shaft drives the stroke limiting block to continue to rotate;
step D2, in the process that the stroke limiting block continues to rotate, until the stroke limiting block contacts the second stroke switch and the second stroke switch is disconnected, the power supply of the main circuit of the motor is disconnected, which means that the first wiring board extends into one end of the isolation knife part to be conducted and connected, and the third lower wiring board extends into the other end of the isolation knife part to be conducted and connected, so that the first wiring position and the third wiring position are conducted and connected;
when all breaking off between first wiring board and the third lower wiring board of operation and between second wiring board and the third upper wiring board, just keep apart the sword part with the bottom base face of support body is parallel to when realizing that first wiring position and second wiring position all break off with the third wiring position, specific process is as follows:
step A3, operating the motor to continue rotating, and driving the first section of main shaft in the transmission part to continue rotating through the speed reducer by the motor to continue rotating;
step B3, the first section of main shaft continues to rotate to sequentially drive the first insulator, the isolation knife connecting piece, the second insulator and the second section of main shaft to continue to rotate;
step C3, the isolating knife connecting piece continues to rotate to drive the isolating knife part to continue to rotate, and the second section of main shaft drives the stroke limiting block to continue to rotate;
step D3, until the stroke limiting block contacts the third stroke switch, the third stroke switch is disconnected, the power supply of the main circuit of the motor is disconnected, and the disconnection between the first wiring board and the third lower wiring board and the disconnection between the second wiring board and the third upper wiring board are explained, so that the disconnection between the first wiring position and the second wiring position and the disconnection between the third wiring position and the second wiring position are realized; wherein, keep apart the sword part with the bottom base surface of support body is parallel.
Compared with the prior art, the invention has the following advantages:
1. the travel switch is arranged for detecting the rotating position of the isolating knife part, and the travel switch cuts off a power supply of the electric operating mechanism after the isolating knife part reaches a corresponding station, so that electric locking is realized, a transmission part in the electric operating mechanism does not drift after rotating in place, the angle position is reliable and stable, and the using effect is good.
2. According to the invention, a first wiring board and a second wiring board are arranged to form a first wiring position and a second wiring position, a third wiring position is arranged between a third lower wiring board and a third upper wiring board, the first wiring position and the second wiring position are used as two wire inlet positions, and the third wiring position is used as a wire outlet public position, so that the connection of a primary power grid of the locomotive is realized; and the first wiring position and the second wiring position are positioned at one end of the isolation knife part, and the third wiring position is positioned at the other end of the isolation knife part, so that switching connection and disconnection are realized, and unsafe operation is prevented.
3. The first wiring board, the second wiring board, the third lower wiring board and the third upper wiring board are arranged, and the first wiring board and the third lower wiring board are connected and conducted, so that the first wiring position and the third wiring position are connected and conducted; or the second wiring board and the third upper wiring board are connected and conducted to realize the connection and conduction of the second wiring position and the third wiring position; or the first wiring board and the third lower wiring board and the second wiring board and the third upper wiring board are disconnected, and the isolation knife part is parallel to the bottom base surface of the frame body, so that the three-station state that the first wiring position and the second wiring position are disconnected from the third wiring position is realized.
4. The invention adopts an integrated design, thereby not only meeting the switching of the power supply of the locomotive primary power grid; in addition, the pin type wiring terminal is arranged to be conveniently connected with a secondary control module of the electric operating mechanism, so that the size is reduced, the weight is lightened, and too large space of the locomotive is not occupied.
5. According to the invention, the double-layer insulating rod is arranged, the first wiring board, the second wiring board, the third lower wiring board and the third upper wiring board are all sleeved on the inner-layer insulating rod, and the outer-layer insulating rod is positioned at two sides of the first wiring board, the second wiring board, the third lower wiring board and the third upper wiring board, so that the first wiring board, the second wiring board, the third lower wiring board and the third upper wiring board are limited, the deviation of each wiring board caused by vibration generated in the running process of a locomotive is avoided, and the isolation knife part is ensured to be switched and connected in place.
6. The electric operating mechanism is arranged, so that the labor force of personnel is effectively reduced, and the convenience of operation is improved.
In conclusion, the three-station switching device is reasonable in design, convenient and safe to operate, small in size and capable of ensuring that three stations are switched in place so as to meet the requirements of locomotives.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
Fig. 1 is a schematic structural diagram of a single-pole three-position electric isolating switch for a locomotive.
Fig. 2 is a view taken along direction a in fig. 1.
Fig. 3 is a front view of fig. 1.
Fig. 4 is a schematic structural diagram of an isolating knife part of the single-pole three-position electric isolating switch for the locomotive.
Fig. 5 is a schematic structural diagram of an isolating knife connecting piece of the single-pole three-position electric isolating switch for the locomotive.
Fig. 6 is a schematic structural diagram of a first isolating knife board (a second isolating knife board) of the single-pole three-position electric isolating switch for the locomotive.
Fig. 7 is a schematic structural view of a double-layer insulating rod of a single-pole three-position electric isolating switch for a locomotive.
Description of reference numerals:
1 — a first patch panel; 1-a first double layer insulation rod; 1-3-a first external connection board;
2 — a second patch panel; 2-1 — a second double layer insulating rod; 2-3 — a second external patch panel;
3-a third lower connection board; 3-1-a third lower double-layer insulating rod; 4-a third upper patch panel;
4-1-a third upper double-layer insulating rod; 5-1-mounting the shaft;
5-2-inner insulating sleeve; 5-3-an external insulating sleeve;
7-a first vertical side plate; 7-1 — a first substrate; 8-a second vertical side panel;
8-1 — a second substrate; 9-vertical connecting plates; 9-3-a third external connection board;
10-mounting a plate; 11-contact pin type wiring terminal; 12-1 — a first travel switch;
12-2 — a second travel switch; 12-3-third travel switch; 13-a stroke stop block;
14-1 — a first insulating via hole; 14-2-a second insulated wire passing hole;
15-mounting holes; 16-a motor; 16-1 — a first flange;
17-a speed reducer; 17-1 — a second flange; 18-1 — first stage spindle;
18-2 — second section spindle; 19-power supply filter; 20-a line bank;
21-a contactor; 22 — a first insulator; 23-an isolation knife attachment;
23-1 — first section; 23-2 — a second section; 23-3-third section;
23-4-the fourth section; 23-5-the fifth section; 24-a second insulator;
24-1-square groove; 25-a second isolating knife plate; 26-a first isolating knife plate;
26-1-sewing; 26-2-contact pads; 26-3-round hole;
26-4-pin hole; 26-5-square hole; 30 — a first platen;
31-a pin shaft; 32-cutter shaft; 33-a second platen;
34-a spring; and 35, pressing the bowl by using a spring.
Detailed Description
As shown in fig. 1 to 6, a single-pole three-position electric isolating switch for a locomotive comprises a frame body, a first wiring board, a second wiring board, a third lower wiring board and a third upper wiring board which are arranged on the frame body, an isolating knife part arranged in the frame body, and an electric operating mechanism which is arranged on the frame body and drives the isolating knife part to rotate, wherein the first wiring board forms a first wiring position, the second wiring board forms a second wiring position, and a third wiring position is arranged between the third lower wiring board and the third upper wiring board;
the first wire connecting position and the second wire connecting position are located at one end of the isolation knife part, the third wire connecting position is located at the other end of the isolation knife part, and the isolation knife part rotates to conduct connection between the first wiring board and the third lower wiring board, so that connection conduction between the first wire connecting position and the third wire connecting position is achieved; or the second wiring board and the third upper wiring board are connected and conducted to realize the connection and conduction of the second wiring position and the third wiring position; or the first wiring board and the third lower wiring board and the second wiring board and the third upper wiring board are disconnected, and the isolation knife part is parallel to the bottom base surface of the frame body, so that a three-station state that the first wiring position and the second wiring position are disconnected from the third wiring position is realized;
the first wiring board, the second wiring board, the third lower wiring board and the third upper wiring board respectively comprise a double-layer insulating rod arranged on the frame body and positioned in the frame body and a wiring board sleeved on the double-layer insulating rod;
the frame body is provided with a plurality of travel switches for detecting the rotating positions of the isolation knife parts.
In this embodiment, the frame body includes a first vertical side plate 7 and a second vertical side plate 8 arranged in parallel with the first vertical side plate 7, a first base plate 7-1 is arranged at the bottom of the first vertical side plate 7, a second base plate 8-1 is arranged at the bottom of the second vertical side plate 8, and a plurality of mounting holes 15 are arranged on the first base plate 7-1 and the second base plate 8-1;
the isolation knife component and the double-layer insulating rod are both positioned between the first vertical side plate 7 and the first vertical side plate 7.
In this embodiment, the lower portion of the first vertical side plate 7 is provided with a first insulating wire passing hole 14-1 and a pin type wiring terminal 11, and the pin type wiring terminal 11 is installed at the lower portion of the first vertical side plate 7 through an installation plate 10;
the lower portion of the second vertical side plate 8 is provided with a power filter 19 and a second insulating wire passing hole 14-2, the middle portion of the second vertical side plate 8 is provided with a wiring bar 20, the upper portion of the second vertical side plate 8 is provided with a contactor 21, and the electric operating mechanism is located between the power filter 19 and the contactor 21.
In this embodiment, the electric operating mechanism includes a motor 16, a speed reducer 17 in transmission connection with an output shaft of the motor 16, and a transmission component penetrating through the speed reducer 17 and in transmission connection;
keep apart the knife tackle spare and include first isolation cutting board 26 and second isolation cutting board 25, be provided with the clearance between first isolation cutting board 26 and the second isolation cutting board 25, transmission stretches out the pot head that stretches out of support body is equipped with stroke stopper 13.
In this embodiment, the transmission part includes a first section main shaft 18-1, a first insulator 22, an isolation knife connecting piece 23, a second insulator 24 and a second section main shaft 18-2 which are detachably connected in sequence, one end of the first section main shaft 18-1 is arranged in the speed reducer 17 in a penetrating manner and is connected in a transmission manner, the other end of the first section main shaft 18-1 is connected with the first insulator 22, one end of the second section main shaft 18-2 is connected with the second insulator 24, and the stroke limiting block 13 is sleeved at the extending end of the second section main shaft 18-2.
As shown in fig. 4 and 6, in the present embodiment, spring members are symmetrically disposed at both ends of the first and second isolating blades 26 and 25, the spring component comprises a first pressure plate 30, a second pressure plate 33, a pin shaft 31 and a knife shaft 32 which are connected between the first pressure plate 30 and the second pressure plate 33, and a spring 34 sleeved on the end part of the cutter shaft 32 extending out of the second pressure plate 33, wherein spring pressure bowls 35 are arranged at two ends of the spring 34, the two spring pressure bowls 35 are sleeved on the cutter shaft 32, one spring pressing bowl 35 is contacted with the second pressing plate 33, the other spring pressing bowl 35 is positioned at the end part of the cutter shaft 32 extending out of the second pressing plate 33, the pin 31 and the cutter shaft 32 both penetrate through the first isolating cutter plate 26 and the second isolating cutter plate 25, the first pressing plate 30 is positioned outside the end part of the first isolation knife board 26, and the second pressing plate 33 is positioned outside the end part of the second isolation knife board 25;
the end parts of the first isolation knife board 26 and the second isolation knife board 25 are provided with a pin hole 26-4 through which a pin shaft 31 passes, a slit 26-1 and a round hole 26-3 which is communicated with the slit 26-1 and through which a knife shaft 32 passes, and the middle parts of the first isolation knife board 26 and the second isolation knife board 25 are provided with a square hole 26-5;
the inner side surfaces of the end parts of the first isolating knife board 26 and the second isolating knife board 25 are provided with contact pieces 26-2.
As shown in fig. 5, in this embodiment, the isolating blade connector 23 includes a first section 23-1, a second section 23-2, a third section 23-3, a fourth section 23-4 and a fifth section 23-5 that are sequentially connected and integrally formed, a cross section of an outer side wall of the first section 23-1 is smaller than a cross section of an outer side wall of the second section 23-2, the first insulator 22 is sleeved on the first section 23-1, and an end surface of the first insulator 22 is attached to the second section 23-2; the outer side wall cross section of the third section part 23-3 is larger than that of the second section part 23-2, the first isolation knife board 26 is sleeved on the second section part 23-2, the fourth section part 23-4 and the second section part 23-2 are identical in structure and are symmetrically arranged, the second isolation knife board 25 is sleeved on the fourth section part 23-4, the fifth section part 23-5 and the first section part 23-1 are identical in structure and are symmetrically arranged, the outer side wall cross section of the fifth section part 23-5 is smaller than that of the fourth section part 23-4, the second insulator 24 is sleeved on the fifth section part 23-5, and the end face of the second insulator 24 is attached to the fourth section part 23-4.
In the embodiment, the first wiring board comprises a first double-layer insulating rod 1-1 arranged in the rack body and a first wiring board 1 sleeved on the first double-layer insulating rod 1-1, the first wiring board 1 is connected with a first external wiring board 1-3, and the first external wiring board 1-3 is a first wiring position;
the second wiring board comprises a second double-layer insulating rod 2-1 arranged in the frame body and a second wiring board 2 sleeved on the second double-layer insulating rod 2-1, a second outer wiring board 2-3 is connected to the second wiring board 2, and the second outer wiring board 2-3 is a second wiring position;
the third is down the wiring board including setting up double-deck insulator spindle 3-1, cover are established under the internal third of frame third on the double-deck insulator spindle 3-1 under the third wiring board 3, the wiring board is including setting up wiring board 4-1, cover are established on the internal third of frame on double-deck insulator spindle 4-1 on the third wiring board 4, be provided with vertical connecting plate 9 between wiring board 4 on third lower wiring board 3 and the third, be provided with third external tapping board 9-3 on the vertical connecting plate 9, third external tapping board 9-3 is the third wiring position.
As shown in fig. 7, in this embodiment, the first double-layer insulating rod 1-1, the second double-layer insulating rod 2-1, the third lower double-layer insulating rod 3-1, and the third upper double-layer insulating rod 4-1 have the same structure, and each of the first double-layer insulating rod 1-1, the second double-layer insulating rod 2-1, the third lower double-layer insulating rod 3-1, and the third upper double-layer insulating rod 4-1 includes two double-layer insulating rods;
the two double-layer insulating rods respectively comprise an installation shaft 5-1 penetrating in the frame body, an inner insulating sleeve 5-2 penetrating on the installation shaft 5-1 and two outer insulating sleeves 5-3 penetrating on the inner insulating sleeves 5-2, and a gap is formed between the two outer insulating sleeves 5-3; the first wiring board 1, the second wiring board 2, the third lower wiring board 3 and the third upper wiring board 4 are all sleeved on the inner insulating sleeves 5-2 and located between the two outer insulating sleeves 5-3.
In this embodiment, the other end of the first section of the main shaft 18-1 passes through the second vertical side plate 8 to be connected with the first insulator 22, and the stroke limiting block 13 is sleeved on the extending end of the second section of the main shaft 18-2 passing through the first vertical side plate 7.
In this embodiment, the speed reducer 17 is disposed on the second vertical side plate 8 in the frame body.
In this embodiment, the motor 16 and the reducer 17 are connected through a first flange 16-1 and a second flange 17-1, the reducer 17 may refer to a WJVO30-30-200616SX reducer, and the motor 16 may refer to an HDZ-42050C motor.
In this embodiment, power filter 19 may be referenced to an FN 2020-3-06 power filter, contactor 21 may be referenced to an LC1DO9FD contactor, and terminal block 20 may be referenced to an MSB 2.5-NS 35 terminal block.
In this embodiment, square grooves 24-1 are respectively formed at two ends of the first insulator 22 and the second insulator 24, the first section 23-1, the second section 23-2, the third section 23-3, the fourth section 23-4 and the fifth section 23-5 are square shapes matched with the square grooves, and four corners of the square hole 26-5 and the square groove 24-1 and four corners of the first section 23-1, the second section 23-2, the third section 23-3, the fourth section 23-4 and the fifth section 23-5 are rounded corners.
In this embodiment, the other end of the first section of main shaft 18-1 and one end of the second section of main shaft 18-2 are both square end shafts, which are convenient for connecting with the first insulator 22 and the second insulator 24.
In this embodiment, in actual use, two double-layer insulating rods of the first double-layer insulating rod 1-1, the second double-layer insulating rod 2-1, the third lower double-layer insulating rod 3-1 and the third upper double-layer insulating rod 4-1 are arranged in a highly staggered manner.
In this embodiment, in actual use, the travel switches include a first travel switch 12-1, a second travel switch 12-2, and a third travel switch 12-3, and at least one of the first travel switch 12-1, the second travel switch 12-2, and the third travel switch 12-3 is provided.
In this embodiment, in actual use, the number of the first travel switch 12-1, the second travel switch 12-2, and the third travel switch 12-3 may be two or more, which not only can control the secondary loop of the motor rotation, but also can be conveniently connected to the monitoring module to monitor the state of the three stations.
In this embodiment, the first travel switch 12-1, the second travel switch 12-2, and the third travel switch 12-3 can all be referenced to the LXW22-11B travel switch.
In this embodiment, the stroke limiting block 13 includes an integrally formed rectangular body and two trapezoidal bodies symmetrically disposed on two sides of the rectangular body, and the cross section of the trapezoidal body gradually decreases from the rectangular body to the stroke switch.
In this embodiment, during actual connection, a motor power supply supplies power to the main circuit of the motor 16 through the power filter 19 and the contactor 21, the first travel switch 12-1, the second travel switch 12-2, and the third travel switch 12-3 are all connected in series in the power supply of the coil of the contactor 21, and the first travel switch 12-1, the second travel switch 12-2, and the third travel switch 12-3 control the power supply of the motor power supply to the main circuit of the motor 16 through power supply control of the coil of the contactor 21.
A use method of a single-pole three-position electric isolating switch for a locomotive is characterized by comprising the following steps:
when the second wiring board and the third upper wiring board are operated to be connected and conducted to realize the connection and conduction of the second wiring position and the third wiring position, the specific process is as follows:
step A1, operating a motor 16 to rotate, wherein the motor 16 rotates to drive a first section of main shaft 18-1 in a transmission part to rotate through a speed reducer 17;
step B1, the first section of main shaft 18-1 rotates to sequentially drive the first insulator 22, the isolation knife connecting piece 23, the second insulator 24 and the second section of main shaft 18-2 to rotate;
step C1, the isolating cutter connecting piece 23 rotates to drive the isolating cutter part to rotate, and the second section of main shaft 18-2 drives the stroke limiting block 13 to rotate;
step D1, in the process of rotating the stroke limiting block 13, until the stroke limiting block 13 contacts the first stroke switch 12-1, the first stroke switch 12-1 is disconnected, and the main circuit power supply of the motor 16 is disconnected, which indicates that the second wiring board 2 extends into one end of the isolation knife part for conduction connection, and the third upper wiring board 4 extends into the other end of the isolation knife part for conduction connection, so that the connection conduction of the second wiring position and the third wiring position is realized;
when the first wiring board and the third wiring board are operated to be connected and conducted to realize the connection and conduction of the first wiring position and the third wiring position, the specific process is as follows:
step A2, operating the motor 16 to rotate continuously, and driving the first section of the main shaft 18-1 in the transmission part to rotate continuously by the motor 16 through the speed reducer 17;
step B2, the first section of main shaft 18-1 continues to rotate to sequentially drive the first insulator 22, the isolation knife connecting piece 23, the second insulator 24 and the second section of main shaft 18-2 to continue to rotate;
step C2, the isolating cutter connecting piece 23 continues to rotate to drive the isolating cutter part to continue to rotate, and the second section of main shaft 18-2 drives the stroke limiting block 13 to continue to rotate;
step D2, in the process that the stroke limiting block 13 continues to rotate, until the stroke limiting block 13 contacts the second stroke switch 12-2, the second stroke switch 12-2 is disconnected, and the main circuit power supply of the motor 16 is disconnected, which indicates that the first wiring board 1 extends into one end of the isolation knife component for conduction connection, and the third wiring board 3 extends into the other end of the isolation knife component for conduction connection, so that the first wiring position and the third wiring position are connected and conducted;
when all breaking off between first wiring board and the third lower wiring board of operation and between second wiring board and the third upper wiring board, just keep apart the sword part with the bottom base face of support body is parallel to when realizing that first wiring position and second wiring position all break off with the third wiring position, specific process is as follows:
step A3, operating the motor 16 to continue rotating, and driving the first section of the main shaft 18-1 in the transmission part to continue rotating through the speed reducer 17 by continuing rotating the motor 16;
step B3, the first section of main shaft 18-1 continues to rotate to sequentially drive the first insulator 22, the isolation knife connecting piece 23, the second insulator 24 and the second section of main shaft 18-2 to continue to rotate;
step C3, the isolating knife connecting piece 23 continues to rotate to drive the isolating knife part to continue to rotate, and the second section of main shaft 18-2 drives the stroke limiting block 13 to continue to rotate;
step D3, until the stroke limiting block 13 contacts the third stroke switch 12-3, and the third stroke switch 12-3 is disconnected, the main circuit power supply of the motor 16 is disconnected, which indicates that the first wiring board and the third lower wiring board and the second wiring board and the third upper wiring board are disconnected, so that the first wiring position and the second wiring position are disconnected with the third wiring position; wherein, keep apart the sword part with the bottom base surface of support body is parallel.
In this embodiment, the spacer blade member rotates counterclockwise when viewed from the stroke stopper 13 side.
In conclusion, the three-station switching device is reasonable in design, convenient and safe to operate, small in size and capable of ensuring that three stations are switched in place so as to meet the requirements of locomotives.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, changes and equivalent structural changes made to the above embodiment according to the technical spirit of the present invention still fall within the protection scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides an electronic isolator of monopole three-station for locomotive which characterized in that: the isolation knife component is arranged in the frame body, and the electric operating mechanism is arranged on the frame body and drives the isolation knife component to rotate;
the first wire connecting position and the second wire connecting position are located at one end of the isolation knife part, the third wire connecting position is located at the other end of the isolation knife part, and the isolation knife part rotates to conduct connection between the first wiring board and the third lower wiring board, so that connection conduction between the first wire connecting position and the third wire connecting position is achieved; or the second wiring board and the third upper wiring board are connected and conducted to realize the connection and conduction of the second wiring position and the third wiring position; or the first wiring board and the third lower wiring board and the second wiring board and the third upper wiring board are disconnected, and the isolation knife part is parallel to the bottom base surface of the frame body, so that a three-station state that the first wiring position and the second wiring position are disconnected from the third wiring position is realized;
the first wiring board, the second wiring board, the third lower wiring board and the third upper wiring board respectively comprise a double-layer insulating rod arranged on the frame body and positioned in the frame body and a wiring board sleeved on the double-layer insulating rod;
the frame body is provided with a plurality of travel switches for detecting the rotating positions of the isolation knife parts.
2. The single-pole three-position electric isolating switch for the locomotive according to claim 1, wherein: the rack body comprises a first vertical side plate (7) and a second vertical side plate (8) arranged in parallel with the first vertical side plate (7), a first base plate (7-1) is arranged at the bottom of the first vertical side plate (7), a second base plate (8-1) is arranged at the bottom of the second vertical side plate (8), and a plurality of mounting holes (15) are formed in the first base plate (7-1) and the second base plate (8-1);
the isolation knife component and the double-layer insulating rod are both positioned between the first vertical side plate (7) and the first vertical side plate (7).
3. The single-pole three-position electric isolating switch for the locomotive according to claim 2, wherein: a first insulating wire passing hole (14-1) and a pin type wiring terminal (11) are formed in the lower portion of the first vertical side plate (7), and the pin type wiring terminal (11) is mounted on the lower portion of the first vertical side plate (7) through a mounting plate (10);
the lower part of the second vertical side plate (8) is provided with a power filter (19) and a second insulating wire passing hole (14-2), the middle part of the second vertical side plate (8) is provided with a wire connecting bar (20), the upper part of the second vertical side plate (8) is provided with a contactor (21), and the electric operating mechanism is located between the power filter (19) and the contactor (21).
4. The single-pole three-position electric isolating switch for the locomotive according to claim 1, wherein: the electric operating mechanism comprises a motor (16), a speed reducer (17) in transmission connection with an output shaft of the motor (16) and a transmission part which is arranged in the speed reducer (17) in a penetrating way and is in transmission connection;
keep apart the knife tackle spare and include first isolation cutting board (26) and second isolation cutting board (25), be provided with the clearance between first isolation cutting board (26) and the second isolation cutting board (25), drive disk assembly stretches out the pot head that stretches out of support body is equipped with stroke stopper (13).
5. The single-pole three-position electric isolating switch for the locomotive according to claim 4, wherein: the transmission part comprises a first section of main shaft (18-1), a first insulator (22), an isolation knife connecting piece (23), a second insulator (24) and a second section of main shaft (18-2), wherein the first section of main shaft (18-1), the isolation knife connecting piece (23), the second insulator (24) and the second section of main shaft (18-2) are sequentially detachably connected, one end of the first section of main shaft (18-1) is arranged in the speed reducer (17) in a penetrating mode and is connected in a transmission mode, the other end of the first section of main shaft (18-1) is connected with the first insulator (22), one end of the second section of main shaft (18-2) is connected with the second insulator (24), and a stroke limiting block (13) is arranged at the extending end of the second section of main shaft (18-2) in a sleeved mode.
6. The single-pole three-position electric isolating switch for the locomotive according to claim 4, wherein: spring parts are symmetrically arranged at two ends of the first isolation cutter plate (26) and the second isolation cutter plate (25), each spring part comprises a first pressing plate (30), a second pressing plate (33), a pin shaft (31) and a cutter shaft (32) which are connected between the first pressing plate (30) and the second pressing plate (33), and a spring (34) which is sleeved on the end part of the cutter shaft (32) extending out of the second pressing plate (33), spring pressing bowls (35) are arranged at two ends of the spring (34), the two spring pressing bowls (35) are sleeved on the cutter shaft (32), one spring pressing bowl (35) is in contact with the second pressing plate (33), the other spring pressing bowl (35) is located at the end part of the cutter shaft (32) extending out of the second pressing plate (33), the pin shaft (31) and the cutter shaft (32) both penetrate through the first isolation cutter plate (26) and the second isolation cutter plate (25), the first pressing plate (30) is located at the outer side of the end part of the first isolation cutter plate (26), the second pressing plate (33) is positioned outside the end part of the second isolation knife plate (25);
the end parts of the first isolation knife board (26) and the second isolation knife board (25) are provided with a pin hole (26-4) for a pin shaft (31) to penetrate through, a seam (26-1) and a round hole (26-3) which is communicated with the seam (26-1) and is used for a knife shaft (32) to penetrate through, and the middle parts of the first isolation knife board (26) and the second isolation knife board (25) are provided with a square hole (26-5);
the inner side surfaces of the end parts of the first isolation knife board (26) and the second isolation knife board (25) are provided with contact pieces (26-2).
7. The single-pole three-position electric isolating switch for the locomotive according to claim 5, wherein: the isolating knife connecting piece (23) comprises a first section part (23-1), a second section part (23-2), a third section part (23-3), a fourth section part (23-4) and a fifth section part (23-5) which are sequentially connected and integrally formed, the section of the outer side wall of the first section part (23-1) is smaller than that of the outer side wall of the second section part (23-2), the first insulator (22) is sleeved on the first section part (23-1), and the end face of the first insulator (22) is attached to the second section part (23-2); the section of the outer side wall of the third section (23-3) is larger than that of the second section (23-2), the first isolation knife board (26) is sleeved on the second section part (23-2), the fourth section part (23-4) and the second section part (23-2) are the same in structure and are symmetrically arranged, the second isolation knife board (25) is sleeved on the fourth section part (23-4), the fifth section part (23-5) and the first section part (23-1) are the same in structure and are symmetrically arranged, the section of the outer side wall of the fifth section part (23-5) is smaller than that of the outer side wall of the fourth section part (23-4), the second insulator (24) is sleeved on the fifth section part (23-5), and the end face of the second insulator (24) is attached to the fourth section (23-4).
8. The single-pole three-position electric isolating switch for the locomotive according to claim 1, wherein: the first wiring board comprises a first double-layer insulating rod (1-1) arranged in the rack body and a first wiring board (1) sleeved on the first double-layer insulating rod (1-1), the first wiring board (1) is connected with a first external wiring board (1-3), and the first external wiring board (1-3) is a first wiring position;
the second wiring board comprises a second double-layer insulating rod (2-1) arranged in the rack body and a second wiring board (2) sleeved on the second double-layer insulating rod (2-1), a second outer wiring board (2-3) is connected to the second wiring board (2), and the second outer wiring board (2-3) is a second wiring position;
the third lower wiring board is including setting up double-deck insulator spindle (3-1), cover are established under the third in the frame under the third on double-deck insulator spindle (3-1) wiring board (3), the wiring board is including setting up on the third in the frame double-deck insulator spindle (4-1), cover are established wiring board (4) are gone up to the third on double-deck insulator spindle (4-1) on the third, be provided with vertical connecting plate (9) between wiring board (4) on third lower wiring board (3) and the third, be provided with third external tapping board (9-3) on vertical connecting plate (9), third external tapping board (9-3) are the third wiring position.
9. The single-pole three-position electric isolating switch for the locomotive according to claim 8, wherein: the first double-layer insulating rod (1-1), the second double-layer insulating rod (2-1), the third lower double-layer insulating rod (3-1) and the third upper double-layer insulating rod (4-1) are identical in structure, and the first double-layer insulating rod (1-1), the second double-layer insulating rod (2-1), the third lower double-layer insulating rod (3-1) and the third upper double-layer insulating rod (4-1) comprise two double-layer insulating rods;
the two double-layer insulating rods respectively comprise an installation shaft (5-1) penetrating through the frame body, an inner insulating sleeve (5-2) penetrating through the installation shaft (5-1) and two outer insulating sleeves (5-3) penetrating through the inner insulating sleeves (5-2), and a gap is formed between the two outer insulating sleeves (5-3); first wiring board (1), second wiring board (2), wiring board (3) under the third and wiring board (4) are all established on interior insulating cover (5-2) and are located between two outer insulating covers (5-3).
10. A use method of a single-pole three-position electric isolating switch for a locomotive is characterized by comprising the following steps:
when the second wiring board and the third upper wiring board are operated to be connected and conducted to realize the connection and conduction of the second wiring position and the third wiring position, the specific process is as follows:
step A1, operating a motor (16) to rotate, wherein the motor (16) rotates to drive a first section of main shaft (18-1) in a transmission part to rotate through a speed reducer (17);
step B1, the first section of main shaft (18-1) rotates to sequentially drive the first insulator (22), the isolation knife connecting piece (23), the second insulator (24) and the second section of main shaft (18-2) to rotate;
step C1, the isolating cutter connecting piece (23) rotates to drive the isolating cutter part to rotate, and the second section of main shaft (18-2) drives the stroke limiting block (13) to rotate;
d1, in the process of rotation of the stroke limiting block (13), until the stroke limiting block (13) contacts the first stroke switch (12-1), the first stroke switch (12-1) is disconnected, the power supply of the main circuit of the motor (16) is disconnected, which indicates that the second wiring board (2) extends into one end of the isolation knife component for conduction connection, and the third upper wiring board (4) extends into the other end of the isolation knife component for conduction connection, so that the second wiring position and the third wiring position are connected and conducted;
when the first wiring board and the third wiring board are operated to be connected and conducted to realize the connection and conduction of the first wiring position and the third wiring position, the specific process is as follows:
step A2, operating the motor (16) to continue rotating, and driving the first section of main shaft (18-1) in the transmission part to continue rotating by the motor (16) through the speed reducer (17);
step B2, the first section of main shaft (18-1) continues to rotate to sequentially drive the first insulator (22), the isolation knife connecting piece (23), the second insulator (24) and the second section of main shaft (18-2) to continue to rotate;
c2, the isolating cutter connecting piece (23) continues to rotate to drive the isolating cutter part to continue to rotate, and the second section of main shaft (18-2) drives the stroke limiting block (13) to continue to rotate;
d2, in the process that the stroke limiting block (13) continues to rotate, until the stroke limiting block (13) contacts the second stroke switch (12-2), the second stroke switch (12-2) is disconnected, the power supply of the main circuit of the motor (16) is disconnected, which indicates that the first wiring board (1) extends into one end of the isolation knife component for conduction connection, and the third lower wiring board (3) extends into the other end of the isolation knife component for conduction connection, so that the first wiring position and the third wiring position are connected and conducted;
when all breaking off between first wiring board and the third lower wiring board of operation and between second wiring board and the third upper wiring board, just keep apart the sword part with the bottom base face of support body is parallel to when realizing that first wiring position and second wiring position all break off with the third wiring position, specific process is as follows:
step A3, operating the motor (16) to continue rotating, and driving the first section of main shaft (18-1) in the transmission part to continue rotating through the speed reducer (17) by the motor (16) to continue rotating;
step B3, the first section of main shaft (18-1) continues to rotate to sequentially drive the first insulator (22), the isolation knife connecting piece (23), the second insulator (24) and the second section of main shaft (18-2) to continue to rotate;
c3, the isolating knife connecting piece (23) continues to rotate to drive the isolating knife part to continue to rotate, and the second section of main shaft (18-2) drives the stroke limiting block (13) to continue to rotate;
d3, until the stroke limiting block (13) contacts the third stroke switch (12-3), the third stroke switch (12-3) is disconnected, and a main circuit power supply of the motor (16) is disconnected, which means that the first wiring board and the third lower wiring board and the second wiring board and the third upper wiring board are disconnected, so that the first wiring position and the second wiring position are disconnected with the third wiring position; wherein, keep apart the sword part with the bottom base surface of support body is parallel.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110478165.XA CN113140425B (en) | 2021-04-30 | 2021-04-30 | Single-pole three-station electric isolating switch for locomotive and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110478165.XA CN113140425B (en) | 2021-04-30 | 2021-04-30 | Single-pole three-station electric isolating switch for locomotive and use method thereof |
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| CN113140425B CN113140425B (en) | 2023-10-03 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9881755B1 (en) * | 2016-10-26 | 2018-01-30 | Cleaveland/Price Inc. | Motorized high voltage in-line disconnect switch with hand-held communication system to prevent unwanted operation |
| CN208284428U (en) * | 2018-02-28 | 2018-12-25 | 默飓电气有限公司 | A kind of on-load switch three position mechanism |
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2021
- 2021-04-30 CN CN202110478165.XA patent/CN113140425B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9881755B1 (en) * | 2016-10-26 | 2018-01-30 | Cleaveland/Price Inc. | Motorized high voltage in-line disconnect switch with hand-held communication system to prevent unwanted operation |
| CN208284428U (en) * | 2018-02-28 | 2018-12-25 | 默飓电气有限公司 | A kind of on-load switch three position mechanism |
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| CN113140425B (en) | 2023-10-03 |
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