CN111540637A - Ring main unit isolating switch operating mechanism - Google Patents

Abstract

The invention discloses an isolating switch operating mechanism of a ring main unit, which comprises a box body and an operating structure, wherein the front end surface of the box body is arranged in a penetrating manner, a cabinet door is arranged at the opening end of the box body, the operating structure is horizontally arranged in the box body and comprises a main shaft structure, an isolating structure and a knife switch structure, the main shaft structure is horizontally arranged in the box body, a plurality of linkage mechanisms are uniformly arranged on the main shaft structure along the horizontal direction, and two ends of the linkage mechanism on the main shaft structure are respectively connected with the isolating structure and the knife switch structure. The invention can close the power connection switch and open the insulating partition plate of the electric compartment when the main shaft is rotated, thereby improving the flexibility and safety of use and facilitating later maintenance.

Description

Ring main unit isolating switch operating mechanism

Technical Field

The invention relates to the technical field of ring main units, in particular to an operating mechanism of a ring main unit isolating switch.

Background

At present, with the development of national economy and technology, a ring main unit is widely used in many large-scale power utilization places; the ring main unit has the advantages of simple structure, safe and reliable operation, low maintenance frequency and low operation cost, is more outstanding than the traditional switch cabinet, generally applies the isolating switch in the technology of the ring main unit, ensures the safe fracture and the reliable grounding of the isolated lower end as the circuit switch in the ring main unit, absolutely ensures the safety of circuit maintenance and maintainers, and is one of the very important components in the ring main unit.

But the isolator operating means of current looped netowrk cabinet mainly adopts spring operating means, there is the error in the spring operating means course of working inevitable, thereby influence the precision of its operation, and in operation process, the spring can weaken the rigidity of spring itself along with the increase of operation number of times, thereby further influence the precision of operation, and the insulating barrier design in the electric compartment is all relatively more crude, open, the lid closes and leans on manual operation completely, and because lean on manual operation completely, forget the condition of closing insulating barrier when the isolator disconnection always appears.

Therefore, an operating mechanism of the ring main unit isolation switch is needed, the power connection switch can be closed when the main shaft is rotated, and the insulation partition plate of the electric compartment is opened, so that the use flexibility and safety are improved, and the convenience is brought to later-stage maintenance.

Disclosure of Invention

The invention aims to provide an isolating switch operating mechanism of a ring main unit, and aims to solve the problems that an existing isolating switch operating device of the ring main unit mainly adopts a spring operating device, errors are difficult to avoid in the machining process of the spring operating device, so that the operating accuracy of the spring operating device is influenced, the rigidity of the spring is weakened along with the increase of the operation times in the operating process, so that the operating accuracy is further influenced, insulating partition plates in an electric compartment are simple and crude in design, the opening and the covering are completely operated manually, and the situation that the insulating partition plates are forgotten to be closed when the isolating switch is disconnected always occurs due to the fact that the isolating switch is completely operated manually.

The invention is realized by the following steps:

the utility model provides a looped netowrk cabinet isolator operating device, includes box and operation structure, and the preceding terminal surface of box runs through the setting, and the open end of box installs the cabinet door, and the inside horizontal installation of box has operation structure, and operation structure includes main shaft structure, isolation structure and plug-in strip structure, and main shaft structure level sets up in the inside of box, and the structural horizontal direction of following of main shaft evenly is provided with a plurality of link gear, and the structural link gear both ends of main shaft are connected with isolation structure and plug-in strip structure respectively.

Further, the inside downside of box has a plurality of isolation chamber along the horizontal direction through the even welding of insulating barrier, and the preceding terminal surface of isolation chamber runs through and is provided with the gate slot, and the equal vertical welding in gate slot both sides of isolation chamber has the spout strip.

And then the inside downside through the box has a plurality of isolation chamber through insulating barrier uniform welding along the horizontal direction, and the preceding terminal surface of isolation chamber runs through and is provided with the gate slot, and the equal vertical welding in gate slot both sides of isolation chamber has the spout strip, utilizes the equal vertical welding in gate slot both sides of isolation chamber tip to have the moving direction of the vertical direction isolation structure of spout strip to conveniently carry out opening and closing of isolation chamber.

Further, the main shaft structure includes main shaft and sealed bearing, and the both ends of main shaft are all fixed to be run through the cover and are equipped with sealed bearing, and sealed bearing runs through the both sides terminal surface setting of box, and sealed bearing and box fixed connection.

And then the both ends through the main shaft in the main shaft structure are all fixed to run through the cover and are equipped with sealed bearing, and sealed bearing runs through the both sides terminal surface setting of box, and sealed bearing and box fixed connection to make things convenient for the later stage to rotate the main shaft structure at the outside bar of box, thereby the convenience is before not opening the box, realizes cutting off the power supply and opens isolation room inspection line, thereby the security of conveniently improving the maintenance.

Furthermore, the isolation structure comprises an isolation door plate and an insulation pad, the isolation door plate vertically slides and is inserted into the sliding groove strips on two sides of the door groove of the isolation chamber, and the insulation pad is bonded on the inner side and the outer side of the isolation door plate.

And then peg graft in the spout strip of the gate slot both sides of isolation chamber through the vertical slip of isolation door plant, the inside and outside both sides of isolation door plant all bond and have insulating pad, and further insulating pad that utilizes improves the insulating nature of keeping apart, avoids the insulating barrier design in traditional electric compartment all more crude simultaneously, opens, the lid closes and leans on manual operation completely, and owing to lean on manual operation completely, forgets the condition of closing insulating barrier when the isolator disconnection always can appear.

Further, the plug-in strip structure includes plug-in strip inserted block and direction sliding frame, and the plug-in strip inserted block passes through the vertical upside of fixing at the box inside of screw, and the equal vertical welding in bottom surface both sides of plug-in strip inserted block has the direction sliding frame, and has seted up the slot on the bottom surface of plug-in strip inserted block, vertically under the bottom surface of plug-in strip inserted block is provided with the slip inserted block, and the equal vertical welding in both sides of slip inserted block has the guide block.

And then pass through the vertical upside of fixing in the box of screw through the plug-in strip, the equal vertical welding in bottom surface both sides of plug-in strip has the smooth frame of direction, and has seted up the slot on the bottom surface of plug-in strip, is provided with the slip inserted block under the bottom surface of plug-in strip vertically to vertical direction slip inserted block reciprocates along with the rotation of main shaft, realizes the disconnection and closes, thereby the break-make of control current.

Furthermore, the top surface of the sliding insert block is vertically welded with an insert block which is in inserted connection with a slot on the bottom surface of the knife insert block, and the guide blocks on the two sides of the sliding insert block are installed inside the guide sliding frame in a sliding penetrating mode.

And then through the vertical welding on the top surface of slip inserted block have with plug-in connection complex inserted block of plug-in strip bottom surface slot, and the guide block of slip inserted block both sides slides to run through and installs inside the smooth frame that leads to the slip inserted block of vertical direction, guarantee that opening and shutting of plug-in strip and slip inserted block is accurate.

Further, the linkage mechanism comprises a sleeve, linkage arc strips, a rotating sleeve and linkage pull strips, the sleeve is fixedly sleeved on the main shaft, the two linkage arc strips are symmetrically welded on the outer circumference of the sleeve, the outer ends of the linkage arc strips are rotatably connected with the rotating sleeve, and the linkage pull strips are welded on the rotating sleeve.

And then fix the cover through the sleeve and establish on the main shaft, the symmetrical welding has two linkage arc strips on the telescopic outer circumference, and the outer end of linkage arc strip rotates and is connected with the rotating sleeve, and the welding has the linkage brace on the rotating sleeve to the rotation of main shaft takes place to rotate through linkage arc strip pulling linkage brace, thereby pulling isolation structure and plug-in strip structure change, thereby improves the stability of later stage operation.

Furthermore, the middle of the top surface of the isolation door plate is welded with a rotating seat, the rotating seat is connected with a rotating sleeve block in a rotating mode, a through hole is formed in the top end of the rotating sleeve block in a penetrating mode, and the through hole in the rotating sleeve block is fixedly connected with a linkage brace on one side of the linkage mechanism through a shaft pin.

And then the welding has the seat of rotating through the top surface middle part of isolation door plant, and rotates on the seat and be connected with the commentaries on classics cover piece, and the top of commentaries on classics cover piece link up there is the through-hole, and the through-hole on the commentaries on classics cover piece passes through pivot fixed connection with the linkage brace of link gear one side to it does not drive the isolation structure and changes to connect isolation structure and link gear.

Furthermore, the middle part of the bottom surface of the sliding insert block is rotatably connected with a rotating hole block, a fixing plate is vertically welded at the bottom end of the rotating hole block, a through hole is formed in the bottom end of the fixing plate, and the through hole in the fixing plate is fixedly connected with a linkage brace on one side of the linkage mechanism through a shaft pin.

And then the bottom through the fixed plate is seted up the through-hole, and the through-hole on the fixed plate passes through pivot fixed connection with the linkage brace of link gear one side to connect the slip inserted block on the plug-in strip structure, take place to slide from top to bottom, control the electric current break-make of plug-in strip structure.

Furthermore, a servo motor is fixed on the end face of one side outside the box body, a driving gear is installed on an output shaft of the servo motor, a driven gear is fixedly installed at one end, close to the servo motor, of the main shaft, and the driven gear is meshed with the driving gear.

And then be fixed with servo motor on through the outside terminal surface of box, and install the driving gear on servo motor's the output shaft, the one end fixed mounting that is close to servo motor of main shaft has driven gear, and driven gear and driving gear meshing, take place to rotate the back through servo motor drive main shaft in the box, thereby compare and adopt spring operating means, there is the error in the spring operating means course of working inevitable, thereby influence the precision of its operation, and in operation process, the spring can weaken the rigidity of spring itself along with the increase of operation number of times, thereby further influence the precision of operation.

Compared with the prior art, the invention has the beneficial effects that: the invention

(1) The front end surface of the box body is penetrated and arranged when the cabinet is used, the cabinet door is arranged at the opening end of the box body, the box body is convenient to open for circuit maintenance in the later period, meanwhile, the operation structure is horizontally arranged in the box body, the sealing bearings are fixedly sleeved at the two ends of the main shaft in the main shaft structure in the operation structure by utilizing the horizontal installation in the box body and are arranged by penetrating through the two side end surfaces of the box body, and the sealing bearings are fixedly connected with the box body, so that the main shaft structure can be conveniently rotated outside the box body in the later period, the circuit breaking and the circuit checking in an isolation room can be conveniently realized before the box body is not opened, the maintenance safety can be conveniently improved, the use flexibility can be conveniently improved, a plurality of linkage mechanisms are uniformly arranged on the main shaft structure along the horizontal direction, the two ends of the linkage mechanisms, linkage pulling isolation structure and plug-in strip structure, make corresponding change, thereby use the main shaft structure to change the circuit section of leading to in the box, the operation that the access door was opened, thereby the flow of simplification operation, and be fixed with servo motor on the outside side end face of box, and install the driving gear on servo motor's the output shaft, the one end fixed mounting that is close to servo motor of main shaft has driven gear, and driven gear and driving gear meshing, take place to rotate the back through servo motor drive main shaft in the box, thereby compare and adopt spring operating means, the inevitable error in the spring operating means course of working, thereby influence the precision of its operation, and in operation, the spring can weaken the rigidity of spring itself along with the increase of operation number of times, thereby further influence the precision of operation.

(2) The lower side in the box body is uniformly welded with a plurality of isolation chambers through insulating partition plates along the horizontal direction, the front end faces of the isolation chambers are provided with door slots in a penetrating mode, sliding groove strips are vertically welded on two sides of the door slots of the isolation chambers, the moving direction of a sliding groove strip vertical guide isolation structure is vertically welded on two sides of the door slots of the end portions of the isolation chambers, so that the isolation chambers can be conveniently opened and closed, isolation door plates are vertically slidably inserted into the sliding groove strips on two sides of the door slots of the isolation chambers, insulating pads are bonded on the inner side and the outer side of the isolation door plates, the insulating property of isolation is further improved through the insulating pads, meanwhile, the problem that the design of the insulating partition plates in the traditional electric compartments is simple and bad is avoided, manual operation is completely depended on when the isolation switches are opened and closed, and the condition that the insulating partition plates are forgotten to be closed when the isolation switches are disconnected always occurs due, open the insulating barrier of electric compartment to promote flexibility and the security of using, it is convenient when the later stage of being convenient for overhauls.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic overall structure diagram of an isolating switch operating mechanism of a ring main unit;

fig. 2 is an exploded structural schematic diagram of an isolating switch operating mechanism of the ring main unit;

FIG. 3 is a schematic structural diagram of a box body in an embodiment of an operating mechanism of an isolating switch of a ring main unit;

fig. 4 is a schematic structural diagram of an operating mechanism in an embodiment of an isolating switch operating mechanism of the ring main unit;

FIG. 5 is a schematic structural diagram of a main shaft structure in an embodiment of an operating mechanism of an isolating switch of a ring main unit;

fig. 6 is a schematic structural diagram of a linkage mechanism in an embodiment of an isolating switch operating mechanism of the ring main unit;

fig. 7 is a schematic structural diagram of an isolation structure in an embodiment of an isolation switch operating mechanism of the ring main unit;

fig. 8 is a schematic structural diagram of a knife switch structure in an embodiment of an isolating switch operating mechanism of a ring main unit.

In the figure: 1. a box body; 11. a cabinet door; 12. an isolation chamber; 13. a chute bar; 14. a servo motor; 15. a driving gear; 2. an operating structure; 21. a spindle structure; 211. a main shaft; 212. sealing the bearing; 213. a linkage mechanism; 2131. a sleeve; 2132. linkage arc bars; 2133. rotating the sleeve; 2134. linkage brace; 214. a driven gear; 22. an isolation structure; 221. an insulated door panel; 222. a rotating seat; 223. turning a sleeve block; 224. an insulating pad; 23. a knife switch structure; 231. a knife switch insert block; 232. a guide slide frame; 233. sliding the insert block; 234. a guide bar; 235. rotating the hole block; 236. and (7) fixing the plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7 and fig. 8, an isolating switch operating mechanism for a ring main unit includes a box body 11 and an operating structure 2, a front end surface of the box body 11 is disposed in a penetrating manner, a cabinet door 11 is installed at an opening end of the box body 11, the operating structure 2 is horizontally installed inside the box body 11, the operating structure 2 includes a main shaft structure 21, an isolating structure 22 and a knife switch structure 23, the main shaft structure 21 is horizontally disposed inside the box body 11, a plurality of linkage mechanisms 213 are uniformly arranged on the main shaft structure 21 along a horizontal direction, and two ends of the linkage mechanisms 213 on the main shaft structure 21 are respectively connected with the isolating structure 22 and the knife switch structure 23.

Furthermore, the cabinet door 11 is installed through the front end face of the cabinet body 11 when in use, the cabinet door 1 is installed at the opening end of the cabinet body 11, the cabinet body 1 is convenient to open for circuit maintenance in the later period, the operation structure 2 is horizontally installed inside the cabinet body 11, the two ends of the main shaft 211 in the main shaft structure 21 in the operation structure 2 are fixedly installed through the sealing bearings 212, the sealing bearings 212 are arranged through the two side end faces of the cabinet body 11, the sealing bearings 212 are fixedly connected with the cabinet body 11, the main shaft structure 21 is convenient to rotate outside the cabinet body 1 in the later period, the isolation chamber inspection circuit is convenient to be cut off and opened before the cabinet body 1 is not opened, the maintenance safety is convenient to be improved, the use flexibility is improved, a plurality of isolation chambers 12 are uniformly welded on the lower side inside the cabinet body 11 along the horizontal direction through the insulating partition plates, and the front end faces of the isolation chambers 12, the two sides of the door slot of the isolation chamber 12 are vertically welded with the chute strips 13, the two sides of the door slot at the end of the isolation chamber 12 are vertically welded with the moving direction of the chute strips 13 vertically guiding the isolation structure 22, thereby facilitating the opening and closing of the isolation chamber, and the spindle structure 21 is uniformly provided with a plurality of linkage mechanisms 213 along the horizontal direction, the two ends of the linkage mechanism 213 on the spindle structure 21 are respectively connected with the isolation structure 22 and the knife switch structure 23, thereby when the spindle 211 rotates, the isolation structure 22 and the knife switch structure 23 are pulled in a linkage manner to make corresponding changes, thereby the spindle structure 21 is used for changing the circuit passing section in the box 1, the operation of opening the access door is performed, thereby simplifying the operation flow, the servo motor 14 is fixed on the end surface of one side outside the box 1, the driving gear 15 is installed on the output shaft of the servo motor 14, one end of the spindle 211 close to the servo motor 14 is fixedly installed, and the driven gear 214 is engaged with the driving gear 15, after the main shaft 211 is driven to rotate in the box body 1 by the servo motor 14, compared with the spring operating device, the spring operating device has an error in the processing process, thereby affecting the accuracy of the operation, and in the operation process, the spring can weaken the rigidity of the spring along with the increase of the operation times, thereby further affecting the accuracy of the operation, and the isolation door panel 221 is vertically inserted in the sliding groove strips 13 at the two sides of the door groove of the isolation chamber 12 in a sliding manner, the insulation pads 224 are adhered at the inner side and the outer side of the isolation door panel 221, the insulation performance of the isolation is further improved by the insulation pads 224, and simultaneously, the situation that the insulation partition is forgotten to be closed when the isolation switch is disconnected due to the complete manual operation because the simple design of the insulation partition in the traditional electric compartment is avoided, and then can close when rotating the main shaft and connect the electric switch, open the insulating barrier of electric compartment to promote flexibility and the security of using, it is convenient when the later stage of being convenient for is overhauld.

Referring to fig. 3, a plurality of isolation chambers 12 are uniformly welded to the lower side of the interior of the box 11 along the horizontal direction through insulating partitions, door slots are formed in the front end surfaces of the isolation chambers 12 in a penetrating manner, and sliding groove strips 13 are vertically welded to both sides of the door slots of the isolation chambers 12.

And then have a plurality of isolation chamber 12 along the even welding of horizontal direction through insulating barrier through the inside downside of box 11, and the preceding terminal surface of isolation chamber 12 runs through and is provided with the gate slot, and the equal vertical welding in gate slot both sides of isolation chamber 12 has spout strip 13, utilizes the equal vertical welding in gate slot both sides of isolation chamber 12 tip to have the moving direction of the vertical direction isolation structure 22 of spout strip 13 to conveniently carry out opening and closing of isolation chamber.

Referring to fig. 3, 4 and 5, the main shaft structure 21 includes a main shaft 211 and a sealing bearing 212, the sealing bearing 212 is fixedly sleeved at both ends of the main shaft 211, the sealing bearing 212 is disposed through both side end surfaces of the box 11, and the sealing bearing 212 is fixedly connected to the box 11.

And then the both ends through main shaft 211 in the main shaft structure 21 are all fixed to run through the cover and are equipped with sealed bearing 212, and sealed bearing 212 runs through the both sides terminal surface setting of box 11, and sealed bearing 212 and box 11 fixed connection to make things convenient for the later stage to rotate main shaft structure 21 at the outside bar of box 1, thereby the convenience is before not opening box 1, realizes cutting off the power supply and opens isolation room inspection line, thereby the security of conveniently improving the maintenance.

Referring to fig. 7, the isolation structure 22 includes an isolation door panel 221 and an insulating pad 224, the isolation door panel 221 is vertically inserted into the sliding groove strips 13 at two sides of the door slot of the isolation chamber 12 in a sliding manner, and the insulating pad 224 is adhered to the inner side and the outer side of the isolation door panel 221.

And then peg graft in the spout strip 13 of the gate slot both sides of isolation ward 12 through the vertical slip of isolation door plant 221, the inside and outside both sides of isolation door plant 221 all bond there is insulating pad 224, further utilize insulating pad 224 to improve the insulating nature of isolation, avoid the insulating barrier design in traditional electric compartment all relatively crude simultaneously, open, the lid closes and leans on manual operation completely, and owing to rely on manual operation completely, forget the condition of closing insulating barrier when the isolator disconnection always can appear.

Referring to fig. 3 and 8, the knife structure 23 includes a knife insert 231 and a guide sliding frame 232, the knife insert 231 is vertically fixed on the upper side of the inside of the box 11 by screws, the guide sliding frame 232 is vertically welded on both sides of the bottom surface of the knife insert 231, a slot is formed in the bottom surface of the knife insert 231, a sliding insert 233 is vertically arranged right below the bottom surface of the knife insert 231, and the guide blocks 234 are vertically welded on both sides of the sliding insert 233.

And then pass through the vertical upside of fixing at box 11 of screw of plug-in strip 231, the equal vertical welding in bottom surface both sides of plug-in strip 231 has the smooth frame 232 of direction, and has seted up the slot on the bottom surface of plug-in strip 231, vertically is provided with slip inserted block 233 under the bottom surface of plug-in strip 231 to vertical direction slip inserted block 233 reciprocates along with the rotation of main shaft 211, realizes the disconnection and closes, thereby the break-make of control current.

Referring to fig. 8, the top surface of the sliding insert 233 is vertically welded with an insert engaged with the bottom slot of the knife insert 231, and the guide blocks 234 at the two sides of the sliding insert 233 are slidably mounted inside the guide sliding frame 232.

And then through the vertical welding on the top surface of slip inserted block 233 have with plug-in connection complex inserted block of plug-in strip 231 bottom surface slot, and the guide block 234 of slip inserted block 233 both sides slides and runs through and install inside direction sliding frame 232 to vertical direction slip inserted block 233 guarantees the accurate that opens and shuts of plug-in strip 231 and slip inserted block 233.

Referring to fig. 6, the linkage mechanism 213 includes a sleeve 2131, linkage arc strips 2132, a rotating sleeve 2133 and linkage braces 2134, the sleeve 2131 is fixedly sleeved on the main shaft 211, two linkage arc strips 2132 are symmetrically welded on the outer circumference of the sleeve 2131, the outer end of the linkage arc strips 2132 is rotatably connected with the rotating sleeve 2133, and the linkage braces 2134 are welded on the rotating sleeve 2133.

And then fix the cover on the main shaft 211 through the bush 2131, the outer circumference of the bush 2131 is welded with two linkage arc strips 2132 symmetrically, and the outer end of the linkage arc strip 2132 rotates and is connected with the rotating bush 2133, the welding has linkage brace 2134 on the rotating bush 2133, thereby the rotation of the main shaft 211 pulls the linkage brace 2134 through the linkage arc strips 2132 to rotate, thereby pulls the isolation structure 22 and the knife switch structure 23 to change, thereby the stability of the later operation is improved.

Referring to fig. 4 and 7, a rotating seat 222 is welded to the middle of the top surface of the isolation door panel 221, a rotating sleeve block 223 is rotatably connected to the rotating seat 222, a through hole penetrates through the top end of the rotating sleeve block 223, and the through hole of the rotating sleeve block 223 is fixedly connected to the linkage brace 2134 on one side of the linkage mechanism 213 through a shaft pin.

Furthermore, the rotating seat 222 is welded in the middle of the top surface of the isolation door panel 221, the rotating seat 222 is connected with the rotating sleeve block 223 in a rotating mode, a through hole penetrates through the top end of the rotating sleeve block 223, the through hole in the rotating sleeve block 223 is fixedly connected with the linkage brace 2134 on one side of the linkage mechanism 213 through a shaft pin, and therefore the isolation structure 22 is connected with the linkage mechanism 213 without driving the isolation structure 22 to change.

Referring to fig. 4 and 8, the middle of the bottom surface of the sliding insert 233 is rotatably connected with a rotating hole block 235, the bottom end of the rotating hole block 235 is vertically welded with a fixing plate 236, the bottom end of the fixing plate 236 is provided with a through hole, and the through hole of the fixing plate 236 is fixedly connected with a linkage brace 2134 at one side of the linkage mechanism 213 through a shaft pin.

Furthermore, a through hole is formed at the bottom end of the fixing plate 236, and the through hole on the fixing plate 236 is fixedly connected with the linkage brace 2134 at one side of the linkage mechanism 213 through a shaft pin, so as to connect the sliding insert 233 on the knife structure 23, and slide up and down to control the on-off of the current of the knife structure 23.

Referring to fig. 1, a servo motor 14 is fixed on an end surface of one side of the exterior of the box 1, a driving gear 15 is installed on an output shaft of the servo motor 14, a driven gear 214 is fixedly installed at one end of the main shaft 211 close to the servo motor 14, and the driven gear 214 is engaged with the driving gear 15.

Furthermore, a servo motor 14 is fixed on one side end face of the outer portion of the box body 1, a driving gear 15 is installed on an output shaft of the servo motor 14, a driven gear 214 is fixedly installed at one end, close to the servo motor 14, of the main shaft 211, the driven gear 214 is meshed with the driving gear 15, the main shaft 211 is driven by the servo motor 14 to rotate in the box body 1, and therefore compared with a spring operating device, errors are avoided in the machining process of the spring operating device, the operation accuracy of the spring operating device is affected, in the operation process, the rigidity of the spring is weakened along with the increase of the operation times, and the operation accuracy is further affected.

The working principle is as follows: when in use, the cabinet door 11 is arranged through the front end face of the cabinet body 11, the cabinet door 11 is installed at the open end of the cabinet body 11, the cabinet body 1 is convenient to open for circuit maintenance in the later period, the operation structure 2 is horizontally installed inside the cabinet body 11, the two ends of the main shaft 211 in the main shaft structure 21 in the operation structure 2 are fixedly arranged through the sleeve of the sealing bearing 212, the sealing bearing 212 is arranged through the two side end faces of the cabinet body 11, and the sealing bearing 212 is fixedly connected with the cabinet body 11, so that the main shaft structure 21 can be conveniently rotated outside the cabinet body 1 in the later period, and the power failure and the opening of an isolation chamber inspection circuit are conveniently realized before the cabinet body 1 is not opened, thereby conveniently improving the safety of maintenance and the flexibility of use, meanwhile, a plurality of isolation chambers 12 are uniformly welded on the inner lower side of the cabinet body 11 through insulating partition plates in the horizontal direction, the two sides of the door slot of the isolation chamber 12 are vertically welded with the chute strips 13, the two sides of the door slot at the end of the isolation chamber 12 are vertically welded with the moving direction of the chute strips 13 vertically guiding the isolation structure 22, thereby facilitating the opening and closing of the isolation chamber, and the spindle structure 21 is uniformly provided with a plurality of linkage mechanisms 213 along the horizontal direction, the two ends of the linkage mechanism 213 on the spindle structure 21 are respectively connected with the isolation structure 22 and the knife switch structure 23, thereby when the spindle 211 rotates, the isolation structure 22 and the knife switch structure 23 are pulled in a linkage manner to make corresponding changes, thereby the spindle structure 21 is used for changing the circuit passing section in the box 1, the operation of opening the access door is performed, thereby simplifying the operation flow, the servo motor 14 is fixed on the end surface of one side outside the box 1, the driving gear 15 is installed on the output shaft of the servo motor 14, one end of the spindle 211 close to the servo motor 14 is fixedly installed, and the driven gear 214 is engaged with the driving gear 15, after the main shaft 211 is driven to rotate in the case 1 by the servo motor 14, compared with the spring operating device, the spring operating device has inevitable errors in the processing process, thereby influencing the operating accuracy, and during the operation, the spring weakens the rigidity of the spring along with the increase of the operation times, thereby further influencing the precision of the operation, and the isolating door panel 221 is vertically and slidably inserted into the sliding groove strips 13 at the two sides of the door groove of the isolating chamber 12, the insulating pads 224 are adhered to the inner and outer sides of the isolation door panel 221, and the insulating property of isolation is further improved by the insulating pads 224, meanwhile, the problems that the design of insulating partition boards in the traditional electric compartment is relatively crude, the opening and the closing are completely operated manually are avoided, and because the isolating switch is completely operated by hand, the condition that the insulating partition plate is forgotten to be closed when the isolating switch is disconnected always occurs.

The device that obtains through above-mentioned design has satisfied one kind basically and can close when rotating the main shaft and connect electric switch, opens the insulating barrier of electric compartment to promote flexibility and the security of using, convenient looped netowrk cabinet isolator operating device's when being convenient for later stage overhauls use, but originally the purpose of further perfecting its function, the designer has carried out further improvement to the device.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a looped netowrk cabinet isolator operating device, includes box (11) and operation structure (2), its characterized in that: the preceding terminal surface of box (11) runs through the setting, and the open end of box (11) installs cabinet door (11), the inside horizontal installation of box (11) has operation structure (2), and operation structure (2) include main shaft structure (21), isolation structure (22) and plug-in strip structure (23), main shaft structure (21) level sets up in the inside of box (11), and evenly is provided with a plurality of link gear (213) along the horizontal direction on main shaft structure (21), link gear (213) both ends on main shaft structure (21) are connected with isolation structure (22) and plug-in strip structure (23) respectively.

2. The ring main unit isolation switch operating mechanism according to claim 1, wherein a plurality of isolation chambers (12) are uniformly welded on the lower side of the inside of the box body (11) along the horizontal direction through insulating partition plates, a door slot is arranged on the front end surface of each isolation chamber (12) in a penetrating manner, and a chute strip (13) is vertically welded on both sides of the door slot of each isolation chamber (12).

3. The ring main unit isolation switch operating mechanism according to claim 2, wherein the main shaft structure (21) comprises a main shaft (211) and a sealing bearing (212), the sealing bearing (212) is fixedly sleeved at both ends of the main shaft (211) in a penetrating manner, the sealing bearing (212) is arranged in a penetrating manner through both side end faces of the box body (11), and the sealing bearing (212) is fixedly connected with the box body (11).

4. The ring main unit isolation switch operating mechanism according to claim 3, wherein the isolation structure (22) comprises an isolation door panel (221) and an insulation pad (224), the isolation door panel (221) is vertically slidably inserted into the chute strips (13) at two sides of the door slot of the isolation chamber (12), and the insulation pad (224) is adhered to the inner side and the outer side of the isolation door panel (221).

5. The ring main unit isolation switch operating mechanism according to claim 4, wherein the switch blade structure (23) comprises a switch blade insert (231) and a guide sliding frame (232), the switch blade insert (231) is vertically fixed on the upper side inside the box body (11) through a screw, the guide sliding frame (232) is vertically welded on both sides of the bottom surface of the switch blade insert (231), a slot is formed in the bottom surface of the switch blade insert (231), a sliding insert (233) is vertically arranged right below the bottom surface of the switch blade insert (231), and the guide blocks (234) are vertically welded on both sides of the sliding insert (233).

6. The ring main unit isolation switch operating mechanism as claimed in claim 5, wherein the top surface of the sliding insert block (233) is vertically welded with an insert block which is in inserting fit with the slot on the bottom surface of the knife insert block (231), and the guide blocks (234) on both sides of the sliding insert block (233) are slidably installed inside the guide sliding frame (232).

7. The ring main unit isolating switch operating mechanism as claimed in claim 6, wherein the linkage mechanism (213) comprises a sleeve (2131), linkage arc strips (2132), a rotating sleeve (2133) and linkage pulling strips (2134), the sleeve (2131) is fixedly sleeved on the main shaft (211), the outer circumference of the sleeve (2131) is symmetrically welded with the two linkage arc strips (2132), the outer end of the linkage arc strips (2132) is rotatably connected with the rotating sleeve (2133), and the linkage pulling strips (2134) are welded on the rotating sleeve (2133).

8. The ring main unit isolation switch operating mechanism as claimed in claim 7, wherein a rotating seat (222) is welded to a middle portion of a top surface of the isolation door plate (221), a rotating sleeve block (223) is rotatably connected to the rotating seat (222), a through hole is formed through a top end of the rotating sleeve block (223), and the through hole in the rotating sleeve block (223) is fixedly connected with the linkage brace (2134) on one side of the linkage mechanism (213) through a shaft pin.

9. The ring main unit isolation switch operating mechanism as claimed in claim 8, wherein a rotating hole block (235) is rotatably connected to a middle portion of a bottom surface of the sliding insertion block (233), a fixing plate (236) is vertically welded to a bottom end of the rotating hole block (235), a through hole is formed in a bottom end of the fixing plate (236), and the through hole in the fixing plate (236) is fixedly connected with the linkage brace (2134) on one side of the linkage mechanism (213) through a shaft pin.

10. The ring main unit isolation switch operating mechanism according to claim 9, wherein a servo motor (14) is fixed on an end face of one side of the outer portion of the box body (1), a driving gear (15) is installed on an output shaft of the servo motor (14), a driven gear (214) is fixedly installed at one end of the main shaft (211) close to the servo motor (14), and the driven gear (214) is meshed with the driving gear (15).

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