CN214541934U - Isolation operation mechanism of three-station switch cabinet - Google Patents
Isolation operation mechanism of three-station switch cabinet Download PDFInfo
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- CN214541934U CN214541934U CN202120677701.4U CN202120677701U CN214541934U CN 214541934 U CN214541934 U CN 214541934U CN 202120677701 U CN202120677701 U CN 202120677701U CN 214541934 U CN214541934 U CN 214541934U
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Abstract
The utility model relates to an isolation operating device of three station cubical switchboard, it includes the base, a panel, first mounting panel, the second mounting panel, the third mounting panel, the output shaft is first, second input gear, output shaft output sprocket, the manual operation axle, the preceding gear of manual operation axle, manual operation locking wheel, the gear behind the manual operation axle, the connecting axle, the dividing wheel, dial round pin breach, back pinch roller lug and preceding pinch roller, preceding pinch roller lug, first position travel switch, second position travel switch, still install the flexible spring bolt subassembly driven by the back pinch roller lug on the back pinch roller on the preceding wall of second mounting panel, still install on first mounting panel and be used for the drive the electromagnetic clutch subassembly of output shaft still installs the transmission gear subassembly on third mounting panel and base. The utility model discloses a hasp mode can in time pin manual crank after switch or contact put in place when manual operation, prevents to damage box inner structure.
Description
Technical Field
The utility model relates to an keep apart operating device, specifically speaking are three station cubical switchboard's keep apart operating device.
Background
With the development of informatization and new standards and new requirements of an electric power department on electric power equipment, the electric power department has higher requirements on the intellectualization and the reliability of the electric power equipment, and an isolation operating mechanism is required to be safe and reliable and can be operated manually on site and remotely controlled, so that the control equipment is required to have higher reliability and more intelligent structures. Most of the existing running equipment can not meet the requirements of intellectualization and reliability, and certain quality hidden troubles exist in safety production.
Disclosure of Invention
The utility model aims at overcoming the not enough of existence among the prior art, provide one kind can be in the electric wire netting operation the deciliter action of remote control ground connection and isolation, the isolation operating device of the three-station switch cabinet of protection operating personnel safety that can be very big.
According to the technical scheme provided by the utility model, the panel is fixed in front of the base through the support column, the first mounting plate and the second mounting plate are fixed on the support column between the base and the panel, and the third mounting plate is fixed at the rear of the base through the support column;
an output shaft, a manual operation shaft and a connecting shaft are rotatably arranged on the base and the second mounting plate, a first output shaft input gear and a second output shaft input gear are fixed on the output shaft between the base and the second mounting plate, an output shaft output chain wheel or an output shaft output gear is fixed on the output shaft positioned at the rear of the base, a front manual operation shaft gear and a manual operation locking wheel are fixed on the manual operation shaft between the base and the second mounting plate, a rear manual operation shaft gear is fixed on the manual operation shaft positioned at the rear of the base, a locking groove is formed in the manual operation locking wheel, and the front manual operation shaft gear is meshed with the first output shaft input gear;
a dividing wheel is fixed on a connecting shaft positioned behind the base, three shifting pin notches are formed in the dividing wheel, the connecting shaft between the base and the second mounting plate is eccentrically arranged, three groups of first position travel switches are fixed on the front wall surface of the base and the rear wall surface of the second mounting plate, and the position of each group of first position travel switches corresponds to the position of each shifting pin notch; a rear pressing wheel and a front pressing wheel are fixed on a connecting shaft positioned in front of the second mounting plate, the rear pressing wheel and the front pressing wheel are fixed together, three rear pressing wheel convex blocks are arranged on the circumference of the rear pressing wheel, the position of each rear pressing wheel convex block corresponds to the position of each poking pin gap, a front pressing wheel convex block is arranged on the circumference of the front pressing wheel, and the position of the front pressing wheel convex block corresponds to the position of the middle poking pin gap;
two second position travel switches are fixed on the front wall surface of the second mounting plate, one second position travel switch is also fixed in front of the second mounting plate, and the position of each second position travel switch corresponds to the position of each pin pulling notch;
a telescopic spring bolt component driven by a rear pinch roller convex block on the rear pinch roller is also arranged on the front wall surface of the second mounting plate, and a spring bolt on the telescopic spring bolt component is intermittently embedded into a locking groove on the manual operation locking wheel;
still install on first mounting panel and be used for the drive the electromagnetic clutch subassembly of output shaft still installs the transmission gear subassembly on third mounting panel and base, the gear passes through the drive of transmission gear subassembly behind the manual operation axle the connecting axle.
Preferably, the telescopic lock tongue assembly comprises an interlocking push rod, a manual interlocking plate, a limiting plate, a lock tongue, a limiting block and a manual locking handle, wherein the lower end part of the interlocking push rod is provided with a wedge-shaped body, the width of the wedge-shaped body is gradually reduced in the direction from top to bottom, the right end surface of the wedge-shaped body is an inclined surface, a limiting block, an upper guide limiting pin, a lower guide limiting pin and a left first guide limiting bolt and a right first guide limiting bolt are fixed on the front wall surface of the second mounting plate, the interlocking push rod is provided with an upper guide limiting waist-shaped hole and a lower guide limiting waist-shaped hole, the length direction of the first guide limiting waist-shaped hole is in the vertical direction, the guide limiting pins are inserted into the first guide limiting waist-shaped holes, and first reset tension springs are mounted on one guide limiting pin and the interlocking push rod;
three second guiding limiting waist-shaped holes are formed in the manual interlocking plate, the length direction of each second guiding limiting waist-shaped hole is in the left-right direction, a first guiding limiting bolt is inserted into each second guiding limiting waist-shaped hole, a manual locking handle is fixed on the manual interlocking plate, the manual locking handle extends out of a manual locking handle operating hole which is formed in the panel and has the length direction in the left-right direction, second reset tension springs are mounted at the left end of the manual interlocking plate and a second mounting plate on the left side of the manual interlocking plate, and the lock tongue is fixed at the left end of the manual interlocking plate;
two upper and lower second guide limit bolts are arranged on the manual interlocking plate, two upper and lower third guide limit waist-shaped holes are arranged on the limit plate, the second guide limit bolts are inserted into the third guide limit waist-shaped holes, and third reset tension springs are arranged at the lower end part of the limit plate and one of the second guide limit bolts. Further preferably, a bolt guide seat is fixed on the front wall surface of the second mounting plate, and the bolt is slidably mounted in the bolt guide seat.
Preferably, the electromagnetic clutch assembly comprises a permanent magnet direct current motor fixed on the front wall surface of the first mounting plate, an output shaft of the permanent magnet direct current motor passes through the first mounting plate backwards, an electromagnetic clutch coil is fixed at the rear end part of the output shaft of the permanent magnet direct current motor, an electromagnetic clutch sucker is arranged behind the electromagnetic clutch coil, an electromagnetic clutch output shaft is fixed at the rear end part of the electromagnetic clutch sucker, and an electromagnetic clutch output shaft gear is fixed on the electromagnetic clutch output shaft; a transition shaft is rotatably arranged on the base, and a transformation ratio pinion and a transformation ratio bull gear are coaxially fixed on the transition shaft;
the electromagnetic clutch output shaft gear is meshed with the variable ratio large gear, and the variable ratio small gear is meshed with a second input gear on the output shaft.
Further preferably, the transmission ratio of the electromagnetic clutch output shaft gear is smaller than that of the ratio-variable large gear, and the transmission ratio of the ratio-variable small gear is smaller than or equal to that of the first input gear of the output shaft.
Preferably, the transmission gear assembly comprises a transmission shaft and a shifting pin shaft which are rotatably arranged on the base and the third mounting plate, a transmission shaft gear is fixed on the transmission shaft, a shifting pin shaft gear is fixed on the shifting pin shaft, and a shifting pin is fixed on the shifting pin shaft gear; the rear gear of the manual operation shaft is meshed with the transmission shaft gear, the transmission shaft gear is meshed with the shifting pin shaft gear, and the shifting pin is matched with the shifting pin notch.
Further preferably, the transmission ratio of the manual operation shaft rear gear 7c is smaller than that of the transmission shaft gear 8a, and the transmission ratio of the transmission shaft gear 8a is smaller than or equal to that of the deadbolt shaft gear 9 a.
Preferably, the panel is provided with a manual valve handle operation hole, a manual operation hole and a manual locking handle operation hole, the manual valve handle operation hole and the manual locking handle operation hole are waist-shaped holes with the length direction being the left-right direction, the manual valve handle is installed in the manual valve handle operation hole, the valve is fixed at the rear end part of the manual valve handle, the main power supply travel switch is fixed at the rear wall surface of the panel, the manual locking handle is installed in the manual locking handle operation hole, and the rear end part of the manual locking handle is fixed on the manual interlocking plate.
The utility model has the advantages of it is following:
1. the utility model has small volume and simple structure, and greatly meets the requirements of electrical equipment miniaturization and reliability;
2. the utility model adopts the gear transmission positioning, the positioning is accurate, and the requirements of multi-stroke and multi-angle can be satisfied;
3. the utility model adopts a lock catch mode, the manual crank can be locked in time after the knife switch or the contact is in place during manual operation, and the internal structure of the box body is prevented from being damaged;
4. the utility model adopts the electromagnetic clutch component and the permanent magnet direct current motor to ensure that the operating mechanism has the functions of automatic switch-on and automatic switch-off;
5. in the utility model, the motor drive and the manual operation both adopt the electromagnetic clutch component, so that the operation mechanism does not need to drive excessive load in the manual operation, and the operation is light; the electromagnetic clutch component adopts low power and large torque, and the reliability of the operation process is ensured.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a plan view of the present invention.
Fig. 3 is a bottom view of the present invention.
Fig. 4 is a left side view of the present invention.
Fig. 5 is a right side view of the present invention.
Fig. 6 is one of perspective views of the present invention.
Fig. 7 is a second perspective view of the present invention.
Fig. 8 is a third perspective view of the present invention.
Fig. 9 is a fourth perspective view of the present invention.
Fig. 10 is a schematic structural view of the middle retractable bolt assembly of the present invention.
Fig. 11 is a schematic structural view of the transmission gear assembly of the present invention.
Fig. 12 is a front view of the electromagnetic clutch assembly of the present invention.
Fig. 13 is a top view of the electromagnetic clutch assembly of the present invention.
Fig. 14 is a perspective view of the electromagnetic clutch assembly of the present invention.
Detailed Description
The present invention will be further described with reference to the following specific embodiments.
The utility model discloses an isolation operation mechanism of a three-station switch cabinet, wherein a panel 02 is fixed in front of a base 01 through a support column, a first mounting plate 3a and a second mounting plate 3b are fixed on the support column between the base 01 and the panel 02, and a third mounting plate 3c is fixed at the rear of the base 01 through a support column;
an output shaft 06, a manual operation shaft 07 and a connecting shaft 10 are rotatably mounted on a base 01 and a second mounting plate 3b, an output shaft first input gear 6a and an output shaft second input gear 6b are fixed on the output shaft 06 between the base 01 and the second mounting plate 3b, an output shaft output sprocket 6c or an output shaft output gear is fixed on the output shaft 06 positioned at the rear of the base 01, a manual operation shaft front gear 7a and a manual operation locking wheel 7b are fixed on the manual operation shaft 07 between the base 01 and the second mounting plate 3b, a manual operation shaft rear gear 7c is fixed on the manual operation shaft 07 positioned at the rear of the base 01, a locking groove is formed on the manual operation locking wheel 7b, and the manual operation shaft front gear 7a is meshed with the output shaft first input gear 6 a;
a dividing wheel 10a is fixed on a connecting shaft 10 positioned behind a base 01, three shifting pin notches 10b are formed in the dividing wheel 10a, the connecting shaft 10 between the base 01 and a second mounting plate 3b is eccentrically arranged, three groups of first position travel switches 11a are fixed on the front wall surface of the base 01 and the rear wall surface of the second mounting plate 3b, and the position of each group of first position travel switches 11a corresponds to the position of each shifting pin notch 10 b; a rear pinch roller 10c and a front pinch roller 10e are fixed on a connecting shaft 10 positioned in front of the second mounting plate 3b, the rear pinch roller 10c and the front pinch roller 10e are fixed together, three rear pinch roller lugs 10d are arranged on the circumference of the rear pinch roller 10c, the position of each rear pinch roller lug 10d corresponds to the position of each poking pin notch 10b, a front pinch roller lug 10f is arranged on the circumference of the front pinch roller 10e, and the position of the front pinch roller lug 10f corresponds to the position of the middle poking pin notch 10 b;
two second position travel switches 11b are fixed on the front wall surface of the second mounting plate 3b, one second position travel switch 11b is also fixed in front of the second mounting plate 3b, and the position of each second position travel switch 11b corresponds to the position of each pin pulling notch 10 b;
a telescopic spring bolt component driven by a rear pinch roller bump 10d on the rear pinch roller 10c is also arranged on the front wall surface of the second mounting plate 3b, and a spring bolt on the telescopic spring bolt component is intermittently embedded into a locking groove on the manual operation locking wheel 7 b;
still install on first mounting panel 3a and be used for the drive the electromagnetic clutch subassembly of output shaft 06, still install the transmission gear subassembly on third mounting panel 3c and base 01, manual operation axle rear gear 7c passes through the drive of transmission gear subassembly connecting axle 10.
The telescopic lock tongue component comprises a linkage push rod 12, a manual linkage plate 13, a limiting plate 14, a lock tongue 15, a limiting block 16 and a manual locking handle 17, wherein the lower end part of the linkage push rod 12 is provided with a wedge-shaped body 12a, the width of the wedge-shaped body 12a is gradually reduced in the direction from top to bottom, the right end surface of the wedge-shaped body 12a is an inclined surface, the front wall surface of the second mounting plate 3b is fixedly provided with the limiting block 16, an upper guide limiting pin, a lower guide limiting pin and a left guide limiting bolt, a right guide limiting bolt, an upper guide limiting waist-shaped hole and a lower guide limiting waist-shaped hole, the length direction of the first guide limiting waist-shaped hole is the vertical direction, the guide limiting pins are inserted into the first guide limiting waist-shaped holes, and a first reset tension spring is arranged on one guide limiting pin and the linkage push rod 12;
three second guiding limiting waist-shaped holes are formed in the manual interlocking plate 13, the length direction of each second guiding limiting waist-shaped hole is in the left-right direction, a first guiding limiting bolt is inserted into each second guiding limiting waist-shaped hole, a manual locking handle 17 is fixed on the manual interlocking plate 13, the manual locking handle 17 extends out of a manual locking handle operation hole which is formed in the panel 02 and in the left-right direction in the length direction, second reset tension springs are mounted on the left end portion of the manual interlocking plate 13 and a second mounting plate 3b on the left side of the manual interlocking plate 13, and the locking tongue 15 is fixed on the left end portion of the manual interlocking plate 13;
an upper second guide limiting bolt and a lower second guide limiting bolt are arranged on the manual interlocking plate 13, an upper third guide limiting waist-shaped hole and a lower third guide limiting waist-shaped hole are arranged on the limiting plate 14, the second guide limiting bolts are inserted into the third guide limiting waist-shaped holes, and a third reset tension spring is arranged at the lower end of the limiting plate 14 and one of the second guide limiting bolts.
A bolt guide seat 18 is further fixed on the front wall surface of the second mounting plate 3b, and the bolt 15 is slidably mounted in the bolt guide seat 18.
The electromagnetic clutch assembly comprises a permanent magnet direct current motor 04 fixed on the front wall surface of a first mounting plate 3a, an output shaft of the permanent magnet direct current motor 04 penetrates through the first mounting plate 3a backwards, an electromagnetic clutch coil 4a is fixed at the rear end part of the output shaft of the permanent magnet direct current motor 04, an electromagnetic clutch sucker 4b is arranged behind the electromagnetic clutch coil 4a, an electromagnetic clutch output shaft 4c is fixed at the rear end part of the electromagnetic clutch sucker 4b, and an electromagnetic clutch output shaft gear 4d is fixed on the electromagnetic clutch output shaft 4 c; a transition shaft 05 is rotatably arranged on the base 01, and a transformation ratio small gear 5a and a transformation ratio large gear 5b are coaxially fixed on the transition shaft 05;
the electromagnetic clutch output shaft gear 4d is meshed with the ratio-changing big gear 5b, and the ratio-changing small gear 5a is meshed with the second input gear 6b of the output shaft on the output shaft 06.
The transmission ratio of the electromagnetic clutch output shaft gear 4d is smaller than that of the ratio-changing big gear 5b, and the transmission ratio of the ratio-changing small gear 5a is smaller than or equal to that of the output shaft first input gear 6 a.
The transmission gear assembly comprises a transmission shaft 08 and a shifting pin shaft 09 which are rotatably arranged on the base 01 and the third mounting plate 3c, a transmission shaft gear 8a is fixed on the transmission shaft 08, a shifting pin shaft gear 9a is fixed on the shifting pin shaft 09, and a shifting pin 9b is fixed on the shifting pin shaft gear 9 a; the rear gear 7c of the manual operation shaft is meshed with a transmission shaft gear 8a, the transmission shaft gear 8a is meshed with a shifting pin shaft gear 9a, and a shifting pin 9b is matched with the shifting pin notch 10 b.
The transmission ratio of the manual operation shaft rear gear 7c is smaller than that of the transmission shaft gear 8a, and the transmission ratio of the transmission shaft gear 8a is smaller than or equal to that of the pin poking shaft gear 9 a.
The panel 02 is provided with a manual valve handle operation hole 2a, a manual operation hole 2b and a manual locking handle operation hole 2c, the manual valve handle operation hole 2a and the manual locking handle operation hole 2c are waist-shaped holes with the length direction being the left-right direction, a manual valve handle 19 is installed in the manual valve handle operation hole 2a, a valve 20 is fixed at the rear end part of the manual valve handle 19, a main power supply travel switch 21 is fixed at the rear wall surface of the panel 02, a manual locking handle 17 is installed in the manual locking handle operation hole 2c, and the rear end part of the manual locking handle 17 is fixed on the manual interlocking plate 13.
The utility model provides a flexible spring bolt subassembly during operation, when operating handle drive connecting axle 10 is rotatory, fix the synchronous rotation of back pinch roller 10c on connecting axle 10, the ascending cambered surface of back pinch roller lug 10d with the upper end contact of chain push pedal 12 and with chain push pedal 12 promote downwards gradually, first extension spring that resets is stretched gradually, at this moment, the wedge body 12a drive limiting plate 14 of the lower tip of chain push rod 12 moves down gradually along the right-hand member face of stopper 16, the third extension spring that resets is stretched gradually. When the connecting shaft 10 rotates to the highest point of the rear pressing wheel bump 10d to be in contact with the interlocking push plate 12, the lower end face of the wedge-shaped body 12a is flush with the lower end face of the limiting block 16, the limiting plate 14 is separated from the limiting of the limiting block 16, the manual interlocking plate 13 is rapidly pulled leftwards under the action of the resilience force of the second reset tension spring, the lock tongue 15 is embedded into the locking groove of the manual operation locking wheel 7b, the manual operation shaft 07 is locked, at the moment, the manual locking handle 17 is located at the locking position, and the manual operation shaft 07 cannot rotate.
If the manual operation is needed to be continued, the manual locking handle 17 needs to be pushed to the unlocking position rightwards, the manual interlocking plate 13 slides rightwards along with the manual locking handle 17 to be in place, the second return tension spring is stretched to be in place, and at the moment, under the action of the resilience force of the third return tension spring, the left end face of the limiting plate 14 abuts against the right end face of the wedge-shaped body 12 a. At this time, the connecting shaft 10 is driven to rotate by the operating handle, the rear pressing wheel 10c fixed on the connecting shaft 10 rotates synchronously, the descending arc surface of the rear pressing wheel bump 10d contacts with the upper end of the interlocking pushing plate 12 under the action of the resilience force of the first reset tension spring, the interlocking pushing plate 12 and the wedge-shaped body 12a move upwards gradually by the resilience force of the first reset tension spring, the right end surface of the wedge-shaped body 12a is separated from the left end surface of the limiting plate 14 gradually until the right end surface of the wedge-shaped body 12a is completely separated from the left end surface of the limiting plate 14, and at this time, the left end surface of the limiting plate 14 contacts with the right end surface of the limiting block 16.
The working principle of the utility model is as follows:
1. operated manually
When manual operation is needed, the manual valve handle 19 is pulled leftwards to expose the manual operation hole 2b, and the main power supply travel switch 20 linked with the valve 20 in the mechanism cuts off the electric circuit to disable the operation of the electric part. An operating handle with random belt is inserted into the manual operating hole 2b, the manual locking handle 17 is pushed to the right to the unlocking position, the operating handle is rotated according to the isolated or grounded steering requirement, the manual operating shaft 07 is rotated, and the output shaft output chain wheel 6c on the output shaft 06 or the output shaft output gear is driven to rotate together through the front gear 7a of the manual operating shaft and the first input gear 6a of the output shaft. At this time, the output shaft output chain wheel 6c or the output shaft output gear drives the main circuit in the switch cabinet to carry out grounding closing, opening or isolating closing operation according to the operation requirement.
Because the utility model discloses an electromagnetic clutch subassembly, when manual operation hole 2b exposes, total power travel switch 20 has cut off electric loop, makes electromagnetic clutch coil 4a and electromagnetic clutch sucking disc 4b among the electromagnetic clutch subassembly be in the separation mode, so will not drive permanent magnet direct current motor 04 when manual operation and rotate to this reduces the manual operation load, makes manual operation very light.
When the manual operation shaft 07 rotates, the rear gear 7c of the manual operation shaft, the transmission shaft gear 8a and the shifting pin shaft gear 9a correspondingly rotate according to the gear transmission principle and the transmission ratio, when the shifting pin shaft gear 9a rotates to a specified number of turns, the shifting pin 9b on the stroke control gear shifts the indexing wheel 10a to rotate for a certain angle, at the moment, the rear pressing wheel 10c drives the telescopic lock tongue assembly, so that the lock tongue 15 on the telescopic lock tongue assembly is embedded into the locking groove on the manual operation locking wheel 7b, the manual operation shaft 07 cannot rotate, the operation handle is locked, at the moment, the manual locking handle 17 is located at a locking position, and the fact that the opening and closing actions are completed in the operation of the stage is prompted.
When the index wheel 10a rotates, the connecting shaft 10 for installing the index wheel 10a rotates synchronously, and the connecting shaft 10 which is eccentrically arranged and is positioned between the base 01 and the second installing plate 3b drives the first position travel switch 11a to switch, so that a corresponding auxiliary signal is provided for the intelligent control of the switch cabinet, and the position state of the internal structure of the cabinet body is displayed.
After an operation is completed, if the manual operation is to be continued, the manual locking handle 17 needs to be pushed to the right to the unlocking position and then operated according to the steering requirement.
2. Electric operation
When needs electric operation, because the utility model discloses be furnished with electromagnetic clutch and permanent magnetism direct current motor 04 who constitutes by electromagnetic clutch coil 4a and electromagnetic clutch sucking disc 4b, so only need provide corresponding electric actuating signal as required, electromagnetic clutch coil 4a and electromagnetic clutch sucking disc 4b are in the same place in the actuation, permanent magnetism direct current motor 04 will be through electric output shaft, electromagnetic clutch coil 4a and electromagnetic clutch sucking disc 4b, electromagnetic clutch output shaft gear 4d, transformation ratio gear wheel 5b, drive output shaft 06 rotation under the effect of transformation ratio pinion 5a and output shaft second input gear 6b in the same place. When the output shaft 06 rotates for a predetermined number of turns, the indexing wheel 10a is driven to rotate by the output shaft first input gear 6a, the manual operation shaft front gear 7a, the manual operation shaft rear gear 7c, the transmission shaft gear 8a, the pin-shifting shaft gear 9a and the pin-shifting 9b on the pin-shifting shaft gear 9a, thereby completing the switching operation of the electric circuit. The switching principle is the same as manual operation.
When the manual operation shaft 07 is rotated by manual operation, the manual operation shaft front gear 7a on the manual operation shaft 07 drives the output shaft 06 to rotate correspondingly through the output shaft first input gear 6a, meanwhile, the manual operation shaft rear gear 7c on the manual operation shaft 07 drives the pin shifting shaft gear 9a to rotate correspondingly through the transmission shaft gear 8a, after rotating for a certain number of turns according to the corresponding gear ratio, the pin shifting 9b on the pin shifting shaft gear 9a can shift the indexing wheel 10a to rotate for a certain angle, at this time, the eccentric section part of the connecting shaft 10 (namely the connecting shaft 10 between the base 01 and the second mounting plate 3 b), the front pressing wheel 10e, the rear pressing wheel 10c and the position indication plate rotate together, the eccentric section part of the connecting shaft 10 drives the first position travel switch 11a to switch, the rear pressing wheel 10c drives the manual interlocking action to lock the manual operation, the position indicators display corresponding position indications.
The utility model discloses make isolator and earthing switch combine together, utilize same operating axis, same transmission main shaft, realize keeping apart and the operating means of ground connection deciliter at a slow speed through the transmission of gear or sprocket, it can effectively reduce the volume of gas tank, has simple structure, simple to operate, small, the reliable operation's advantage.
Claims (8)
1. An isolation operation mechanism of a three-station switch cabinet is characterized in that a panel (02) is fixed in front of a base (01) through a support column, a first mounting plate (3 a) and a second mounting plate (3 b) are fixed on the support column between the base (01) and the panel (02), and a third mounting plate (3 c) is fixed behind the base (01) through the support column;
the method is characterized in that: an output shaft (06), a manual operation shaft (07) and a connecting shaft (10) are rotatably arranged on the base (01) and the second mounting plate (3 b), an output shaft first input gear (6 a) and an output shaft second input gear (6 b) are fixed on the output shaft (06) between the base (01) and the second mounting plate (3 b), an output shaft output chain wheel (6 c) or an output shaft output gear is fixed on an output shaft (06) positioned at the rear of the base (01), a manual operation shaft front gear (7 a) and a manual operation locking wheel (7 b) are fixed on a manual operation shaft (07) between the base (01) and the second mounting plate (3 b), a rear gear (7 c) of the manual operation shaft is fixed on the manual operation shaft (07) positioned at the rear of the base (01), a locking groove is formed in the manual operation locking wheel (7 b), and a front gear (7 a) of the manual operation shaft is meshed with a first input gear (6 a) of the output shaft;
a dividing wheel (10 a) is fixed on a connecting shaft (10) positioned behind a base (01), three pin pulling notches (10 b) are formed in the dividing wheel (10 a), the connecting shaft (10) between the base (01) and a second mounting plate (3 b) is eccentrically arranged, three groups of first position travel switches (11 a) are fixed on the front wall surface of the base (01) and the rear wall surface of the second mounting plate (3 b), and the position of each group of first position travel switches (11 a) corresponds to the position of each pin pulling notch (10 b); a rear pressing wheel (10 c) and a front pressing wheel (10 e) are fixed on a connecting shaft (10) positioned in front of a second mounting plate (3 b), the rear pressing wheel (10 c) and the front pressing wheel (10 e) are fixed together, three rear pressing wheel convex blocks (10 d) are arranged on the circumference of the rear pressing wheel (10 c), the position of each rear pressing wheel convex block (10 d) corresponds to the position of each poking pin notch (10 b), a front pressing wheel convex block (10 f) is arranged on the circumference of the front pressing wheel (10 e), and the position of the front pressing wheel convex block (10 f) corresponds to the position of the middle poking pin notch (10 b);
two second position travel switches (11 b) are fixed on the front wall surface of the second mounting plate (3 b), one second position travel switch (11 b) is also fixed in front of the second mounting plate (3 b), and the position of each second position travel switch (11 b) corresponds to the position of each pin pulling notch (10 b);
a telescopic lock tongue component driven by a rear pinch roller bump (10 d) on the rear pinch roller (10 c) is also arranged on the front wall surface of the second mounting plate (3 b), and a lock tongue on the telescopic lock tongue component is intermittently embedded into a locking groove on the manual operation locking wheel (7 b);
still install on first mounting panel (3 a) and be used for the drive the electromagnetic clutch subassembly of output shaft (06), still install the transmission gear subassembly on third mounting panel (3 c) and base (01), manual operation axle rear gear (7 c) are through the drive of transmission gear subassembly connecting axle (10).
2. The isolated operating mechanism of the three-position switch cabinet as claimed in claim 1, wherein: the telescopic bolt component comprises an interlocking push rod (12), a manual interlocking plate (13), a limit plate (14), a bolt (15), a limit block (16) and a manual locking handle (17), the lower end part of the interlocking push rod (12) is provided with a wedge-shaped body (12 a), in the direction from top to bottom, the width of the wedge-shaped body (12 a) is gradually reduced, the right end surface of the wedge-shaped body (12 a) is an inclined surface, a limiting block (16), an upper guide limiting pin, a lower guide limiting pin and a left first guide limiting bolt and a right first guide limiting bolt are fixed on the front wall surface of the second mounting plate (3 b), an upper first guiding limit waist-shaped hole and a lower first guiding limit waist-shaped hole are arranged on the interlocking push rod (12), the length direction of the first guiding limit waist-shaped hole is the up-down direction, a guiding limit pin is inserted into the first guiding limit waist-shaped hole, a first reset tension spring is arranged on one of the guide limit pins and the interlocking push rod (12);
three second guiding limiting waist-shaped holes are formed in the manual interlocking plate (13), the length direction of each second guiding limiting waist-shaped hole is in the left-right direction, a first guiding limiting bolt is inserted into each second guiding limiting waist-shaped hole, a manual locking handle (17) is fixed on the manual interlocking plate (13), the manual locking handle (17) extends out of a manual locking handle operation hole which is formed in the panel (02) and in the left-right direction, second reset tension springs are mounted at the left end of the manual interlocking plate (13) and the second mounting plate (3 b) on the left side of the manual interlocking plate (13), and the locking tongue (15) is fixed at the left end of the manual interlocking plate (13);
two upper and lower second guide limit bolts are arranged on the manual interlocking plate (13), two upper and lower third guide limit waist-shaped holes are arranged on the limit plate (14), the second guide limit bolts are inserted into the third guide limit waist-shaped holes, and third reset tension springs are arranged at the lower end part of the limit plate (14) and one of the second guide limit bolts.
3. The isolated operating mechanism of the three-position switch cabinet as claimed in claim 2, wherein: a bolt guide seat (18) is further fixed on the front wall surface of the second mounting plate (3 b), and the bolt (15) is slidably mounted in the bolt guide seat (18).
4. The isolated operating mechanism of the three-position switch cabinet as claimed in claim 1, wherein: the electromagnetic clutch assembly comprises a permanent magnet direct current motor (04) fixed on the front wall surface of a first mounting plate (3 a), an output shaft of the permanent magnet direct current motor (04) penetrates through the first mounting plate (3 a) backwards, an electromagnetic clutch coil (4 a) is fixed at the rear end part of the output shaft of the permanent magnet direct current motor (04), an electromagnetic clutch sucker (4 b) is arranged behind the electromagnetic clutch coil (4 a), an electromagnetic clutch output shaft (4 c) is fixed at the rear end part of the electromagnetic clutch sucker (4 b), and an electromagnetic clutch output shaft gear (4 d) is fixed on the electromagnetic clutch output shaft (4 c); a transition shaft (05) is rotatably arranged on the base (01), and a transformation ratio small gear (5 a) and a transformation ratio large gear (5 b) are coaxially fixed on the transition shaft (05);
the electromagnetic clutch output shaft gear (4 d) is meshed with the ratio-changing large gear (5 b), and the ratio-changing small gear (5 a) is meshed with a second input gear (6 b) of the output shaft on the output shaft (06).
5. The isolated operating mechanism of the three-position switch cabinet as claimed in claim 4, wherein: the transmission ratio of the electromagnetic clutch output shaft gear (4 d) is smaller than that of the ratio-variable large gear (5 b), and the transmission ratio of the ratio-variable small gear (5 a) is smaller than or equal to that of the output shaft first input gear (6 a).
6. The isolated operating mechanism of the three-position switch cabinet as claimed in claim 1, wherein: the transmission gear assembly comprises a transmission shaft (08) and a shifting pin shaft (09) which are rotatably arranged on a base (01) and a third mounting plate (3 c), a transmission shaft gear (8 a) is fixed on the transmission shaft (08), a shifting pin shaft gear (9 a) is fixed on the shifting pin shaft (09), and a shifting pin (9 b) is fixed on the shifting pin shaft gear (9 a); the rear gear (7 c) of the manual operation shaft is meshed with a transmission shaft gear (8 a), the transmission shaft gear (8 a) is meshed with a shifting pin shaft gear (9 a), and a shifting pin (9 b) is matched with a shifting pin notch (10 b).
7. The isolated operating mechanism of the three-position switch cabinet as claimed in claim 6, wherein: the transmission ratio of the rear gear (7 c) of the manual operation shaft is smaller than that of the transmission shaft gear (8 a), and the transmission ratio of the transmission shaft gear (8 a) is smaller than or equal to that of the pin poking shaft gear (9 a).
8. The isolated operating mechanism of the three-position switch cabinet as claimed in claim 2, wherein: the manual valve handle operation hole (2 a), the manual operation hole (2 b) and the manual locking handle operation hole (2 c) are formed in the panel (02), the manual valve handle operation hole (2 a) and the manual locking handle operation hole (2 c) are waist-shaped holes with the length directions being left and right directions, a manual valve handle (19) is installed in the manual valve handle operation hole (2 a), a valve (20) is fixed at the rear end portion of the manual valve handle (19), a main power travel switch (21) is fixed on the rear wall surface of the panel (02), a manual locking handle (17) is installed in the manual locking handle operation hole (2 c), and the rear end portion of the manual locking handle (17) is fixed on the manual linkage plate (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120677701.4U CN214541934U (en) | 2021-04-02 | 2021-04-02 | Isolation operation mechanism of three-station switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120677701.4U CN214541934U (en) | 2021-04-02 | 2021-04-02 | Isolation operation mechanism of three-station switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214541934U true CN214541934U (en) | 2021-10-29 |
Family
ID=78271787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120677701.4U Active CN214541934U (en) | 2021-04-02 | 2021-04-02 | Isolation operation mechanism of three-station switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214541934U (en) |
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2021
- 2021-04-02 CN CN202120677701.4U patent/CN214541934U/en active Active
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