CN114976974A

CN114976974A - Anti-misoperation safety switch cabinet and working method thereof

Info

Publication number: CN114976974A
Application number: CN202210672780.9A
Authority: CN
Inventors: 梁歆瞳
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-06-14
Filing date: 2022-06-14
Publication date: 2022-08-30

Abstract

The application relates to a prevent maloperation's safety switch cabinet includes: the switch cabinet body, hand mechanism, drive mechanism, interlocking device, circuit breaker actuating mechanism, earthing switch actuating mechanism that open and shut. According to the manual opening and closing mechanism, the manual opening and closing mechanism is matched with the transmission mechanism, when the rocking wheel is used for opening the door, the brake bolt limits the first ejector rod to move, so that the circuit breaker is limited to be closed, the condition that the valve body is opened under the power-on condition is prevented, misoperation of mistakenly entering an electrified interval is avoided, and the safety of cabinet opening maintenance operation on the switch cabinet is ensured; by arranging the interlocking mechanism, when the circuit breaker is closed, the grounding switch is locked, and when the circuit breaker is disconnected, the grounding switch can be freely switched, so that misoperation of mistakenly switching on the grounding switch during electrification is prevented; meanwhile, when the grounding switch is closed, the circuit breaker cannot be closed, the misoperation that the circuit breaker is closed by mistake when the grounding switch is in a closed position is prevented, and the safety of the switch cabinet in use is ensured.

Description

Anti-misoperation safety switch cabinet and working method thereof

Technical Field

The application relates to the field of power equipment, in particular to a safety switch cabinet capable of preventing misoperation and a working method thereof.

Background

CN202011253601.5 discloses an prevent maloperation formula intelligent cubical switchboard, its technical scheme is: the intelligent anti-misoperation switch cabinet comprises an upper cabinet body, wherein an operating shaft is arranged in the upper cabinet body, the anti-misoperation intelligent switch cabinet is in a power-on state or a grounding state by rotating the operating shaft, and an operating hole corresponding to the operating shaft is formed in the outer side surface of the upper cabinet body; the lower cabinet body is positioned below the upper cabinet body, a lower cabinet door is arranged on the lower cabinet body, and the lower cabinet door is hinged with the lower cabinet body; further comprising: the misoperation preventing mechanism comprises a swing rod which is rotatably arranged in the upper cabinet body through a shaft lever and extends up and down, a baffle plate arranged at the upper part of the swing rod, a pin shaft arranged at the lower end of the swing rod, a swing rod limiting part arranged in the upper cabinet body and a pin shaft push plate arranged at the upper edge of the lower cabinet door, the shaft lever is parallel to the operating shaft, the baffle and the operating hole are positioned at the same side of the swing rod, the swing rod limiting part and the baffle are positioned at two opposite sides of the swing rod, the pin shaft is provided with a torsion spring, the torsion spring is used for providing elastic force so as to enable the lower part of the swing rod to rotate towards the direction of the swing rod limiting part, the pin shaft push plate extends from the upper edge of the lower cabinet door to the interior of the lower cabinet body, one side of the pin shaft push plate is a guide inclined plane matched with the pin shaft, in the closing process of the lower cabinet door, the pin shaft abuts against the guide inclined plane and drives the baffle to rotate in the direction away from the operation hole through the swing rod; when the lower cabinet door is in a closed state, the pin shaft is abutted against the guide inclined plane, and the baffle and the operation hole are staggered and distributed; after the lower cabinet door is opened, the pin shaft is separated from the guide inclined plane, the swing rod is abutted against the swing rod limiting part under the action of the torsion spring, and at the moment, the baffle at least covers one part of the operation hole.

This prevent maloperation formula intelligent cubical switchboard has following advantage: the problem of potential safety hazards caused by the fact that an operator can switch the intelligent switch cabinet to a power-on state by rotating the operation shaft after the intelligent switch cabinet is in a grounding state and the cabinet door is opened can be effectively solved; not only can improve operation personnel's operational safety nature, can effectively avoid moreover because of the operator is in under the on-state at the intelligence cubical switchboard, the handle that directly passes through the cabinet door pulls open the cabinet door, and leads to the cabinet door to be pulled the problem of deformation and prevent that the spare part of maloperation mechanism takes place deformation, dislocation, and the problem of inefficacy.

However, the misoperation prevention type intelligent switch cabinet also has the following disadvantages: the cabinet door opening mode is simple, and misoperation is easily caused.

Therefore, a switch cabinet which is complex in cabinet door opening mode and not easy to operate by mistake is needed.

Disclosure of Invention

In order to solve the problem that the mode of opening the cabinet door is simpler, easily causes the maloperation, this application provides a safety switch cabinet and working method who prevents maloperation.

The application provides a prevent maloperation's safety switch cabinet, a serial communication port, include: the device comprises a switch cabinet body, a hand-operated opening and closing mechanism, a transmission mechanism, an interlocking mechanism, a circuit breaker driving mechanism and a grounding switch driving mechanism;

the cubical switchboard body includes: a valve body; an operation panel; a back plate; a side plate; a top plate; a base plate;

the hand-operated opening and closing mechanism is arranged on one side of an operation panel on the switch cabinet body, is in driving connection with the valve body and is used for controlling the valve body to open and close;

the transmission mechanism is arranged in the switch cabinet body, is in driving connection with the hand-operated opening and closing mechanism, is positioned on the side of the hand-operated opening and closing mechanism, and is used for linking the hand-operated opening and closing mechanism with the circuit breaker driving mechanism;

the circuit breaker driving mechanism is arranged on one side of an operation panel on the switch cabinet body, is in driving connection with the transmission mechanism, is positioned right above the transmission mechanism and is used for controlling the circuit breaker to be opened and closed;

the grounding switch driving mechanism is arranged on one side of an operation panel on the switch cabinet body, is positioned on the side of the circuit breaker driving mechanism and is used for controlling the grounding switch to be switched on and off;

the interlocking mechanism is arranged in the switch cabinet body, is matched with the circuit breaker driving mechanism and the grounding switch driving mechanism and is used for interlocking the circuit breaker driving mechanism and the grounding switch driving mechanism.

Through adopting above-mentioned technical scheme, through setting up hand mechanism and the drive mechanism cooperation that opens and shuts, when using the rocking wheel to open the door, the first ejector pin of braking bolt restriction removes to restriction circuit breaker closes, has prevented the circumstances that circular telegram condition valve body was opened, has stopped the mistake and has gone into electrified spaced maloperation, has guaranteed to carry out the security of the operation of maintaining of opening the cabinet to the cubical switchboard.

Further, hand mechanism of opening and shutting includes: the rotating shaft is vertically arranged on the operating panel of the switch cabinet body and is rotationally connected with the operating panel, and one end of the rotating shaft extends out of the operating panel; the rocking wheel body is positioned outside the operation panel, is parallel to the operation panel, is sleeved on the rotating shaft and is in driving connection with the rotating shaft; the first transmission gear is positioned on the inner side of the operation panel, is parallel to the operation panel, is sleeved on the rotating shaft, is in driving connection with the rotating shaft and coaxially rotates with the rocking wheel body; the first helical gear is positioned at the tail end of the inner side of the rotating shaft, is parallel to the operating panel, is sleeved on the rotating shaft, is in driving connection with the rotating shaft and rotates coaxially with the rocking wheel body; the first vertical shaft is vertically arranged in the switch cabinet body, is positioned at an included angle formed by the valve body and the operation panel, and is rotationally connected with the switch cabinet body; the second helical gear is sleeved on the first vertical shaft, is in driving connection with the first vertical shaft and is meshed with the first helical gear; the first linkage helical gears are symmetrically arranged at the upper end and the lower end of the first vertical shaft, are in driving connection with the first vertical shaft and rotate coaxially with the second helical gears; the second vertical shaft is vertically arranged in the switch cabinet body, is positioned at an included angle formed by the valve body and the back plate, and is rotationally connected with the switch cabinet body; the second linkage helical gears are symmetrically arranged at the upper end and the lower end of the second vertical shaft and are in driving connection with the second vertical shaft; the first cross shaft is horizontally arranged above the switch cabinet body, is positioned at an included angle formed by the valve body and the top plate, and is rotationally connected with the switch cabinet body; the third linkage bevel gears are symmetrically arranged at the left end and the right end of the first transverse shaft, are in driving connection with the first transverse shaft and are respectively meshed with the first linkage bevel gear and the second linkage bevel gear at the upper ends; the second cross shaft is horizontally arranged below the switch cabinet body, is positioned at an included angle formed by the valve body and the bottom plate, and is rotationally connected with the switch cabinet body; the fourth linkage helical gears are symmetrically arranged at the left end and the right end of the second transverse shaft, are in driving connection with the second transverse shaft and are respectively meshed with the first linkage helical gear and the second linkage helical gear at the lower ends;

the valve body is in driving connection with the second vertical shaft.

Further comprising: the shaking handle is detachably arranged on the outer surface of the shaking wheel body and is rotationally connected with the shaking wheel body.

Through adopting above-mentioned technical scheme, improved the complexity that valve body 11 opened, reduced the possibility of maloperation, improved the fail safe nature of cubical switchboard body 1.

Further, the transmission ratio of the first bevel gear to the second linkage bevel gear is more than or equal to 8: 1.

through adopting above-mentioned technical scheme, shake the wheel and rotate 2 rings at least, the valve body just can open to 90 degrees completely, has improved the security that shakes the wheel and open the door.

Further, the transmission mechanism includes: the mounting frame is arranged on the inner side of the operation panel of the switch cabinet body and is fixedly connected with the operation panel; the transmission shaft is arranged on the mounting frame and is rotationally connected with the mounting frame; the second transmission gear is sleeved at one end of the transmission shaft, is in driving connection with the transmission shaft and is meshed with the first transmission gear; the pin lock connecting piece is sleeved at the other end of the transmission shaft, is in driving connection with the transmission shaft and coaxially rotates with the second transmission gear; the brake bolt is vertically arranged on the mounting frame, and the lower end of the brake bolt is connected with the mounting frame in a sliding manner; the pin lock connecting nail is arranged in the middle of the brake bolt, is perpendicular to the brake bolt and is fixedly connected with the brake bolt; the limiting sleeve is arranged at the lower part of the brake bolt and is fixedly connected with the brake bolt; the supporting spring is sleeved at the lower part of the brake bolt, one end of the supporting spring is abutted to the upper surface of the mounting frame, and the other end of the supporting spring is abutted to the lower surface of the limiting sleeve;

the lower part of the pin lock connecting piece is in driving connection with the transmission shaft, and the upper part of the pin lock connecting piece is matched with the pin lock connecting nail;

the circuit breaker drive mechanism includes: the first deflector rod is arranged on the operation panel and is rotationally connected with the operation panel, one end of the first deflector rod extends into the operation panel, and the other end of the first deflector rod extends out of the surface of the operation panel; the first driving cam is arranged on one side of the first driving lever extending into the operation panel, is in driving connection with the first driving lever and rotates coaxially with the first driving lever; the first sliding seat is horizontally arranged on the inner side of the operation panel and is consistent with the horizontal height of the rotating axis of the first driving cam; the first ejector rod is horizontally arranged in the first sliding seat and is in sliding connection with the first sliding seat, and one end of the first ejector rod is abutted against the first driving cam; the circuit breaker driving shaft is arranged at the tail end of the first ejector rod and is fixedly connected with the first ejector rod; the first reset spring is arranged in the first sliding seat, one end of the first reset spring is abutted with the outer wall of the first sliding seat, and the other end of the first reset spring is abutted with the driving shaft of the circuit breaker; and the sliding pin hole is arranged at the lower part of the first ejector rod and is matched with the brake bolt.

Furthermore, the transmission ratio of the first transmission gear to the second transmission gear is consistent with the transmission ratio of the first bevel gear to the second linkage bevel gear.

Further, the horizontal height of the grounding switch driving mechanism is consistent with that of the circuit breaker driving mechanism;

the earthing switch drive mechanism includes: the second deflector rod is arranged on the operation panel and is rotationally connected with the operation panel, one end of the second deflector rod extends into the operation panel, and the other end of the second deflector rod extends out of the surface of the operation panel; the second driving cam is arranged on one side, extending into the operating panel, of the second driving lever, is in driving connection with the second driving lever and rotates coaxially with the second driving lever; the second sliding seat is horizontally arranged on the inner side of the operation panel and is consistent with the horizontal height of the rotating axis of the second driving cam; the second ejector rod is horizontally arranged in the second sliding seat and is in sliding connection with the second sliding seat, and one end of the second ejector rod is abutted to the second driving cam; the grounding switch driving shaft is arranged at the tail end of the second ejector rod and is fixedly connected with the second ejector rod; and the second reset spring is arranged in the second sliding seat, one end of the second reset spring is abutted to the outer wall of the second sliding seat, and the other end of the second reset spring is abutted to the driving shaft of the grounding switch.

Further, the interlock mechanism includes: the inclined table is arranged at the lower part of the circuit breaker driving shaft and is fixedly connected with the circuit breaker driving shaft; the inclined groove is arranged in the upper part of the driving shaft of the grounding switch, and the inclination of the inclined groove is consistent with that of the inclined table; the guide sleeve is transversely arranged between the inclined table and the inclined groove and is fixedly connected with the switch cabinet body; the interlocking pin rod is arranged in the guide sleeve and is in sliding connection with the guide sleeve, one end of the interlocking pin rod, which is close to the circuit breaker driving shaft, is in sliding connection with the sloping table, and one end of the interlocking pin rod, which is close to the grounding switch driving shaft, is in clearance fit with the sloping groove.

By adopting the technical scheme, when the circuit breaker is closed, the grounding switch is locked; when the breaker is disconnected, the grounding switch can be freely switched on and off. The misoperation of mistakenly switching on the grounding switch in the live state is prevented, and the safety of the switch cabinet in the use process is ensured. Meanwhile, when the grounding switch is closed, the circuit breaker cannot be closed, the misoperation that the circuit breaker is closed by mistake when the grounding switch is in a closed position is prevented, and the safety of the switch cabinet in use is ensured.

A working method of a safety switch cabinet preventing misoperation comprises the following steps:

step S1, power-off cabinet opening maintenance, manually shifting a first shifting lever of a circuit breaker driving mechanism downwards, mounting a rocking wheel handle on a rocking wheel body, rotating clockwise for at least two circles, driving a first helical gear to rotate forwards by the rocking wheel body, driving a second helical gear meshed with the first helical gear and a first vertical shaft in driving connection with the second helical gear to rotate forwards, further driving a first transverse shaft, a second transverse shaft and a second vertical shaft to rotate forwards respectively, and opening the valve body; meanwhile, the first transmission gear drives the second transmission gear to rotate forwards, the pin lock connecting piece rotates forwards, the pin lock connecting nail is separated from the sliding groove, and the brake bolt moves upwards under the action of the support spring and is inserted into a sliding pin hole of the first ejector rod to restrict the movement of the first ejector rod;

step S2, powering on the cabinet, installing the rocking wheel handle on the rocking wheel body, rotating at least two circles anticlockwise, driving the first bevel gear to rotate reversely by the rocking wheel body, thereby driving the second bevel gear meshed with the first bevel gear and the first vertical shaft in driving connection with the second bevel gear to rotate reversely, further driving the first transverse shaft, the second transverse shaft and the second vertical shaft to rotate reversely respectively, and closing the valve body; meanwhile, the first transmission gear drives the second transmission gear to rotate reversely, the pin lock connecting piece rotates reversely, the pin lock connecting nail gradually slides into the sliding groove, the brake bolt is driven to move downwards and is separated from the sliding pin hole of the first ejector rod, and the first ejector rod is stopped from being restricted to move; at the moment, the first deflector rod of the circuit breaker driving mechanism is manually moved upwards.

Further, in step S2, after the first driving lever of the circuit breaker driving mechanism is manually moved upward, the first driving cam is driven to rotate and push the first push rod to move inward, so as to drive the circuit breaker driving shaft to move inward, the ramp drives the interlock pin to slide toward one side of the grounding switch driving shaft, the end of the interlock pin slides into the chute of the grounding switch driving shaft, and the grounding switch driving shaft is braked to move.

To sum up, the application comprises the following beneficial technical effects:

1. by arranging the hand-operated opening and closing mechanism to be matched with the transmission mechanism, when the door is opened by using the rocking wheel, the first ejector rod is limited by the brake bolt to move, so that the circuit breaker is limited to be closed, the condition that the valve body is opened under the power-on condition is prevented, the misoperation of mistakenly entering the electrified interval is avoided, and the safety of the cabinet opening maintenance operation of the switch cabinet is ensured;

2. by arranging the interlocking mechanism, when the circuit breaker is closed, the grounding switch is locked, and when the circuit breaker is disconnected, the grounding switch can be freely switched, so that misoperation of mistakenly switching on the grounding switch during electrification is prevented; meanwhile, when the grounding switch is closed, the circuit breaker cannot be closed, so that the misoperation of mistakenly closing the circuit breaker when the grounding switch is in a closed position is prevented, and the safety of the switch cabinet in use is ensured;

3. through setting up hand mechanism that opens and shuts, improved the complexity that the valve body was opened, reduced the possibility that the valve body was opened in the maloperation, improved the fail safe nature of the cubical switchboard body.

Drawings

Fig. 1 is an external view of a safety switch cabinet for preventing misoperation according to an embodiment of the present application.

Fig. 2 is a side view of a hand-operated opening and closing mechanism of a safety switch cabinet for preventing misoperation according to an embodiment of the application.

Fig. 3 is a side view of a transmission mechanism and a circuit breaker driving mechanism of an anti-misoperation safety switch cabinet according to an embodiment of the application.

Fig. 4 is a partially enlarged top view of an interlocking mechanism when a circuit breaker is closed and a grounding switch is opened in the safety switch cabinet for preventing misoperation according to the embodiment of the application.

Fig. 5 is a partially enlarged top view of an interlocking mechanism when a circuit breaker and a ground switch in the safety switch cabinet for preventing misoperation according to the embodiment of the present application are disconnected.

Fig. 6 is a partially enlarged top view of an interlocking mechanism when a circuit breaker is opened and a ground switch is closed in the safety switch cabinet for preventing misoperation according to the embodiment of the application.

Fig. 7 is a side view of a grounding switch driving mechanism of a safety switch cabinet for preventing misoperation according to the embodiment of the application.

Description of the reference numerals:

1. a switch cabinet body; 11. a valve body; 12. an operation panel; 13. a back plate; 14. a side plate; 15. a top plate; 16. a base plate;

2. a hand-operated opening and closing mechanism; 201. a rotating shaft; 202. a rocking wheel body; 203. a crank handle; 204. a first drive gear; 205. a first helical gear; 206. a first vertical shaft; 207. a second helical gear; 208. a first linkage bevel gear; 209. a second vertical shaft; 210. a second linkage helical gear; 211. a first lateral axis; 212. a third linkage bevel gear; 213. a second lateral axis; 214. a fourth linkage bevel gear;

3. a transmission mechanism; 31. a mounting frame; 32. a drive shaft; 33. a second transmission gear; 34. a pin lock connection; 341. mounting holes; 342. a chute; 35. braking the bolt; 36. a pin lock connection nail; 37. a limiting sleeve; 38. a support spring;

4. an interlock mechanism; 41. a sloping table; 42. a chute; 43. a guide sleeve; 44. an interlocking pin;

5. a circuit breaker drive mechanism; 51. a first shift lever; 52. a first drive cam; 53. a first ejector rod; 54. a circuit breaker drive shaft; 55. a first return spring; 56. a slide pin hole; 57. a first sliding seat;

6. a ground switch drive mechanism; 61. a second deflector rod; 62. a second drive cam; 63. a second ejector rod; 64. a grounding switch drive shaft; 65. a second return spring; 66. and a second sliding seat.

Detailed Description

The following detailed description of the embodiments, such as the shapes and configurations of the components, the mutual positions and connection relationships of the components, the functions and operating principles of the components, the manufacturing processes and the operation and use methods, will be further explained in detail through the description of the embodiments with reference to the accompanying drawings, so as to help those skilled in the art to more completely, accurately and deeply understand the inventive concept and technical scheme of the present invention. For convenience of description, the directions mentioned in the present application shall be those shown in the drawings.

Referring to fig. 1 to 7, an anti-misoperation safety switch cabinet is characterized by comprising: the device comprises a switch cabinet body 1, a hand-operated opening and closing mechanism 2, a transmission mechanism 3, an interlocking mechanism 4, a circuit breaker driving mechanism 5 and a grounding switch driving mechanism 6;

the switch cabinet body 1 includes: a shutter body 11; an operation panel 12; a back plate 13; side plates 14; a top plate 15; a base plate 16;

the hand-operated opening and closing mechanism 2 is arranged on one side of an operation panel 12 on the switch cabinet body 1, is in driving connection with the valve body 11 and is used for controlling the valve body 11 to open and close;

the transmission mechanism 3 is arranged inside the switch cabinet body 1, is connected with the hand-operated opening and closing mechanism 2 in a driving manner, is positioned on the side of the hand-operated opening and closing mechanism 2 and is used for linking the hand-operated opening and closing mechanism 2 with the circuit breaker driving mechanism 5;

the circuit breaker driving mechanism 5 is arranged on one side of an operation panel 12 on the switch cabinet body 1, is in driving connection with the transmission mechanism 3, is positioned right above the transmission mechanism 3 and is used for controlling the opening and closing of a circuit breaker;

the earthing switch driving mechanism 6 is arranged on one side of an operation panel 12 on the switch cabinet body 1, is positioned on the side of the circuit breaker driving mechanism 5 and is used for controlling the earthing switch to be opened and closed;

and the interlocking mechanism 4 is arranged in the switch cabinet body 1, is matched with the circuit breaker driving mechanism 5 and the grounding switch driving mechanism 6, and is used for interlocking the circuit breaker driving mechanism 5 and the grounding switch driving mechanism 6.

The hand-operated opening and closing mechanism 2 comprises: the rotating shaft 201 is vertically arranged on the operating panel 12 of the switch cabinet body 1 and is rotatably connected with the operating panel 12, and one end of the rotating shaft 201 extends out of the operating panel 12; the rocking wheel body 202 is positioned outside the operation panel 12, is arranged in parallel with the operation panel 12, is sleeved on the rotating shaft 201 and is in driving connection with the rotating shaft 201; the first transmission gear 204 is positioned on the inner side of the operation panel 12, is parallel to the operation panel 12, is sleeved on the rotating shaft 201, is in driving connection with the rotating shaft 201, and rotates coaxially with the rocking wheel body 202; the first bevel gear 205 is located at the tail end of the inner side of the rotating shaft 201, is parallel to the operating panel 12, is sleeved on the rotating shaft 201, is in driving connection with the rotating shaft 201, and rotates coaxially with the rocking wheel body 202; the first vertical shaft 206 is vertically arranged in the switch cabinet body 1, is positioned at an included angle formed by the valve body 11 and the operation panel 12, and is rotatably connected with the switch cabinet body 1; the second bevel gear 207 is sleeved on the first vertical shaft 206, is in driving connection with the first vertical shaft 206 and is meshed with the first bevel gear 205; the first linkage bevel gears 208 are symmetrically arranged at the upper end and the lower end of the first vertical shaft 206, are in driving connection with the first vertical shaft 206 and rotate coaxially with the second bevel gear 207; the second vertical shaft 209 is vertically arranged in the switch cabinet body 1, is positioned at an included angle formed by the valve body 11 and the back plate 13, and is rotatably connected with the switch cabinet body 1; the second linkage bevel gears 210 are symmetrically arranged at the upper end and the lower end of the second vertical shaft 209 and are in driving connection with the second vertical shaft 209; the first cross shaft 211 is horizontally arranged above the switch cabinet body 1, is positioned at an included angle formed by the valve body 11 and the top plate 15, and is rotatably connected with the switch cabinet body 1; third linkage bevel gears 212 symmetrically arranged at the left and right ends of the first transverse shaft 211, in driving connection with the first transverse shaft 211, and respectively engaged with the first linkage bevel gear 208 and the second linkage bevel gear 210 at the upper ends; the second cross shaft 213 is horizontally arranged below the switch cabinet body 1, is positioned at an included angle formed by the valve body 11 and the bottom plate 16, and is rotatably connected with the switch cabinet body 1; the fourth linkage bevel gears 214 are symmetrically arranged at the left end and the right end of the second transverse shaft 213, are in driving connection with the second transverse shaft 213 and are respectively meshed with the first linkage bevel gear 208 and the second linkage bevel gear 210 at the lower ends;

the shutter body 11 is in driving connection with the second vertical shaft 209.

Further comprising: the rocking handle is detachably arranged on the outer surface of the rocking wheel body 202 and is rotationally connected with the rocking wheel body 202.

The transmission ratio of the first bevel gear 205 to the second bevel gear 210 is greater than or equal to 8: 1.

the transmission mechanism 3 includes: the mounting frame 31 is arranged on the inner side of the operation panel 12 of the switch cabinet body 1 and is fixedly connected with the operation panel 12; the transmission shaft 32 is arranged on the mounting frame 31 and is rotatably connected with the mounting frame 31; the second transmission gear 33 is sleeved at one end of the transmission shaft 32, is in driving connection with the transmission shaft 32 and is meshed with the first transmission gear 204; the pin lock connecting piece 34 is sleeved at the other end of the transmission shaft 32, is in driving connection with the transmission shaft 32 and coaxially rotates with the second transmission gear 33; the brake bolt 35 is vertically arranged on the mounting frame 31, and the lower end of the brake bolt is connected with the mounting frame 31 in a sliding manner; the pin lock connecting nail 36 is arranged in the middle of the brake bolt 35, is perpendicular to the brake bolt 35 and is fixedly connected with the brake bolt 35; the limiting sleeve 37 is arranged at the lower part of the brake bolt 35 and is fixedly connected with the brake bolt 35; the supporting spring 38 is sleeved at the lower part of the brake bolt 35, one end of the supporting spring is abutted with the upper surface of the mounting frame 31, and the other end of the supporting spring is abutted with the lower surface of the limiting sleeve 37;

the lower part of the pin lock connecting piece 34 is in driving connection with the transmission shaft 32, and the upper part is matched with the pin lock connecting nail 36;

the circuit breaker drive mechanism 5 includes: a first shift lever 51, which is disposed on the operation panel 12, is rotatably connected to the operation panel 12, and has one end extending into the operation panel 12 and the other end extending from the surface of the operation panel 12; a first driving cam 52, disposed on one side of the first shift lever 51 extending into the operation panel 12, connected to the first shift lever 51 in a driving manner, and rotating coaxially with the first shift lever 51; a first sliding seat 57 horizontally disposed inside the operation panel 12 and having a horizontal height corresponding to a rotation axis of the first driving cam 52; a first push rod 53 horizontally disposed in the first sliding seat 57, slidably connected to the first sliding seat 57, and having one end abutting against the first driving cam 52; a breaker driving shaft 54 provided at the end of the first push rod 53 and fixedly connected to the first push rod 53; a first return spring 55 disposed in the first sliding seat 57, one end of which abuts against an outer wall of the first sliding seat 57, and the other end of which abuts against the breaker drive shaft 54; and a sliding pin hole 56 provided at a lower portion of the first push rod 53 to be engaged with the stopper pin 35.

Through adopting above-mentioned technical scheme, when using rocking wheel to open the door, the first ejector pin 53 of restriction is removed to braking bolt 35 to the restriction circuit breaker closes, has prevented the circumstances that circular telegram condition valve body 11 was opened, has stopped the mistake and has gone into electrified spaced maloperation, has guaranteed to carry out the security of the maintenance operation of opening the cabinet to the cubical switchboard.

The transmission ratio of the first transmission gear 204 and the second transmission gear 33 is consistent with the transmission ratio of the first bevel gear 205 and the second bevel gear 210.

The horizontal height of the grounding switch driving mechanism 6 is consistent with that of the circuit breaker driving mechanism 5;

the earthing switch drive mechanism 6 includes: a second shift lever 61, which is arranged on the operation panel 12, is rotatably connected with the operation panel 12, and has one end extending into the operation panel 12 and the other end extending out from the surface of the operation panel 12; the second driving cam 62 is arranged on one side of the second driving lever 61 extending into the operation panel 12, is in driving connection with the second driving lever 61, and rotates coaxially with the second driving lever 61; a second sliding seat 66 horizontally arranged on the inner side of the operation panel 12 and having the same horizontal height as the rotation axis of the second driving cam 62; the second ejector pin 63 is horizontally arranged in the second sliding seat 66, is connected with the second sliding seat 66 in a sliding way, and has one end abutted against the second driving cam 62; the grounding switch driving shaft 64 is arranged at the tail end of the second ejector rod 63 and is fixedly connected with the second ejector rod 63; and a second return spring 65 disposed in the second sliding seat 66, one end of which abuts against an outer wall of the second sliding seat 66, and the other end of which abuts against the earthing switch drive shaft 64.

The interlock mechanism 4 includes: a ramp 41 disposed below the breaker drive shaft 54 and fixedly connected to the breaker drive shaft 54; a chute 42 provided in an upper portion of the ground switch driving shaft 64 with a slope corresponding to the slope 41; the guide sleeve 43 is transversely arranged between the inclined table 41 and the inclined groove 42 and is fixedly connected with the switch cabinet body 1; and the interlocking pin rod 44 is arranged in the guide sleeve 43, is connected with the guide sleeve 43 in a sliding way, is connected with the inclined table 41 in a sliding way at one end close to the circuit breaker driving shaft 54, and is in clearance fit with the inclined groove 42 at one end close to the grounding switch driving shaft 64.

step S1, power failure is performed, cabinet opening maintenance is performed, the first poking rod 51 of the circuit breaker driving mechanism 5 is manually poked downwards, the rocking wheel handle 203 is installed on the rocking wheel body 202, and the rocking wheel body 202 rotates clockwise for at least two circles, so that the rocking wheel body 202 drives the first helical gear 205 to rotate forwards, the second helical gear 207 meshed with the first helical gear 205 and the first vertical shaft 206 in driving connection with the second helical gear 207 are driven to rotate forwards, the first transverse shaft 211, the second transverse shaft 213 and the second vertical shaft 209 are further driven to rotate forwards respectively, and the valve body 11 is opened; meanwhile, the first transmission gear 204 drives the second transmission gear 33 to rotate forwards, the pin lock connecting piece 34 rotates forwards, the pin lock connecting nail 36 is separated from the sliding groove 342, the brake bolt 35 moves upwards under the action of the support spring 38 and is inserted into the sliding pin hole 56 of the first ejector rod 53, and the movement of the first ejector rod 53 is restricted;

step S2, powering on the cabinet, installing the rocking wheel handle 203 on the rocking wheel body 202, rotating at least two times counterclockwise, then the rocking wheel body 202 driving the first bevel gear 205 to rotate reversely, thereby driving the second bevel gear 207 meshed with the first bevel gear 205 and the first vertical shaft 206 connected with the second bevel gear 207 to rotate reversely, further driving the first horizontal shaft 211, the second horizontal shaft 213 and the second vertical shaft 209 to rotate reversely, and closing the shutter body 11; meanwhile, the first transmission gear 204 drives the second transmission gear 33 to rotate reversely, the pin lock connecting piece 34 rotates reversely, the pin lock connecting nail 36 gradually slides into the sliding groove 342, the brake bolt 35 is driven to move downwards and is separated from the sliding pin hole 56 of the first ejector rod 53, and the first ejector rod 53 is stopped from being restricted to move; at this time, the first lever 51 of the circuit breaker drive mechanism 5 is manually shifted upward.

In step S2, when the first lever 51 of the circuit breaker driving mechanism 5 is manually moved upward, the first driving cam 52 is rotated to push the first push rod 53 to move inward, the circuit breaker driving shaft 54 is driven to move inward, the ramp 41 drives the interlock pin 44 to slide toward the ground switch driving shaft 64, the end of the interlock pin 44 slides into the inclined groove 42 of the ground switch driving shaft 64, and the ground switch driving shaft 64 is braked.

In the embodiment of the application, the working principle of the safety switch cabinet preventing misoperation and the working method thereof is as follows: by arranging the hand-operated opening and closing mechanism to be matched with the transmission mechanism, when the door is opened by using the rocking wheel, the first ejector rod is limited by the brake bolt to move, so that the circuit breaker is limited to be closed, the condition that the valve body is opened under the power-on condition is prevented, the misoperation of mistakenly entering the electrified interval is avoided, and the safety of the cabinet opening maintenance operation of the switch cabinet is ensured; by arranging the interlocking mechanism, the grounding switch is locked when the circuit breaker is closed; when the breaker is disconnected, the grounding switch can be freely switched on and off, so that misoperation of mistakenly switching on the grounding switch in a live state is prevented, and the safety of the switch cabinet in use is ensured; meanwhile, when the grounding switch is closed, the circuit breaker cannot be closed, the misoperation that the circuit breaker is closed by mistake when the grounding switch is in a closed position is prevented, and the safety of the switch cabinet in use is ensured.

In the embodiment of this application, through setting up hand mechanism that opens and shuts, improved the complexity that the valve body was opened, shake the wheel and rotate 2 rings at least, the valve body could open to 90 degrees completely, has reduced the possibility of maloperation, has improved the fail safe nature of the cubical switchboard body.

The present invention and its embodiments have been described above in an illustrative manner, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, the technical scheme and the embodiments similar to the technical scheme are not creatively designed without departing from the spirit of the invention, and the invention shall fall into the protection scope of the invention.

Claims

1. A safety switch cabinet preventing misoperation is characterized by comprising: the device comprises a switch cabinet body (1), a hand-operated opening and closing mechanism (2), a transmission mechanism (3), a circuit breaker driving mechanism (5), a grounding switch driving mechanism (6) and an interlocking mechanism (4);

the switch cabinet body (1) comprises: a shutter body (11); an operation panel (12); a back plate (13); a side plate (14); a top plate (15); a base plate (16);

the hand-operated opening and closing mechanism (2) is arranged on one side of an operation panel (12) on the switch cabinet body (1), is in driving connection with the valve body (11) and is used for controlling the valve body (11) to open and close;

the transmission mechanism (3) is arranged in the switch cabinet body (1), is in driving connection with the hand-operated opening and closing mechanism (2), is positioned on the side of the hand-operated opening and closing mechanism (2), and is used for linking the hand-operated opening and closing mechanism (2) with the circuit breaker driving mechanism (5);

the circuit breaker driving mechanism (5) is arranged on one side of an operation panel (12) on the switch cabinet body (1), is in driving connection with the transmission mechanism (3), is positioned right above the transmission mechanism (3) and is used for controlling the circuit breaker to be opened and closed;

the grounding switch driving mechanism (6) is arranged on one side of an operation panel (12) on the switch cabinet body (1), is positioned on the side of the circuit breaker driving mechanism (5), and is used for controlling the grounding switch to be opened and closed;

and the interlocking mechanism (4) is arranged in the switch cabinet body (1), is matched with the circuit breaker driving mechanism (5) and the grounding switch driving mechanism (6) and is used for interlocking the circuit breaker driving mechanism (5) and the grounding switch driving mechanism (6).

2. An anti-misoperation safety switch cabinet according to claim 1, characterized in that:

the hand-operated opening and closing mechanism (2) comprises: the rotating shaft (201) is vertically arranged on the operating panel (12) of the switch cabinet body (1) and is rotatably connected with the operating panel (12), and one end of the rotating shaft (201) extends out of the operating panel (12); the rocking wheel body (202) is positioned on the outer side of the operation panel (12), is arranged in parallel with the operation panel (12), is sleeved on the rotating shaft (201), and is in driving connection with the rotating shaft (201); the first transmission gear (204) is positioned on the inner side of the operation panel (12), is parallel to the operation panel (12), is sleeved on the rotating shaft (201), is in driving connection with the rotating shaft (201), and coaxially rotates with the rocking wheel body (202); the first bevel gear (205) is positioned at the tail end of the inner side of the rotating shaft (201), is parallel to the operating panel (12), is sleeved on the rotating shaft (201), is in driving connection with the rotating shaft (201), and coaxially rotates with the rocking wheel body (202); the first vertical shaft (206) is vertically arranged in the switch cabinet body (1), is positioned at an included angle formed by the valve body (11) and the operation panel (12), and is rotatably connected with the switch cabinet body (1); the second bevel gear (207) is sleeved on the first vertical shaft (206), is in driving connection with the first vertical shaft (206), and is meshed with the first bevel gear (205); the first linkage bevel gears (208) are symmetrically arranged at the upper and lower ends of the first vertical shaft (206), are in driving connection with the first vertical shaft (206), and rotate coaxially with the second bevel gear (207); the second vertical shaft (209) is vertically arranged in the switch cabinet body (1), is positioned at an included angle formed by the valve body (11) and the back plate (13), and is rotatably connected with the switch cabinet body (1); the second linkage helical gears (210) are symmetrically arranged at the upper end and the lower end of the second vertical shaft (209) and are in driving connection with the second vertical shaft (209); the first transverse shaft (211) is horizontally arranged above the switch cabinet body (1), is positioned at an included angle formed by the valve body (11) and the top plate (15), and is rotatably connected with the switch cabinet body (1); the third linkage bevel gears (212) are symmetrically arranged at the left end and the right end of the first transverse shaft (211), are in driving connection with the first transverse shaft (211), and are respectively meshed with the first linkage bevel gear (208) and the second linkage bevel gear (210) at the upper ends; the second transverse shaft (213) is horizontally arranged below the switch cabinet body (1), is positioned at an included angle formed by the valve body (11) and the bottom plate (16), and is rotatably connected with the switch cabinet body (1); the fourth linkage bevel gears (214) are symmetrically arranged at the left end and the right end of the second transverse shaft (213), are in driving connection with the second transverse shaft (213) and are respectively meshed with the first linkage bevel gear (208) and the second linkage bevel gear (210) at the lower end;

the valve body (11) is in driving connection with the second vertical shaft (209).

3. An anti-misoperation safety switch cabinet according to claim 2, characterized in that:

further comprising: the shaking handle is detachably arranged on the outer surface of the shaking wheel body (202) and is rotationally connected with the shaking wheel body (202).

4. An anti-misoperation safety switch cabinet according to claim 2, characterized in that:

the transmission ratio of the first bevel gear (205) to the second linkage bevel gear (210) is more than or equal to 8: 1.

5. an anti-misoperation safety switch cabinet according to claim 2, characterized in that:

the transmission mechanism (3) comprises: the mounting rack (31) is arranged on the inner side of the operation panel (12) of the switch cabinet body (1) and is fixedly connected with the operation panel (12); the transmission shaft (32) is arranged on the mounting rack (31) and is rotatably connected with the mounting rack (31); the second transmission gear (33) is sleeved at one end of the transmission shaft (32), is in driving connection with the transmission shaft (32), and is meshed with the first transmission gear (204); the pin lock connecting piece (34) is sleeved at the other end of the transmission shaft (32), is in driving connection with the transmission shaft (32), and coaxially rotates with the second transmission gear (33); the brake bolt (35) is vertically arranged on the mounting frame (31), and the lower end of the brake bolt is connected with the mounting frame (31) in a sliding manner; the pin lock connecting nail (36) is arranged in the middle of the brake bolt (35), is perpendicular to the brake bolt (35), and is fixedly connected with the brake bolt (35); the limiting sleeve (37) is arranged at the lower part of the brake bolt (35) and is fixedly connected with the brake bolt (35); the supporting spring (38) is sleeved at the lower part of the brake bolt (35), one end of the supporting spring is abutted to the upper surface of the mounting rack (31), and the other end of the supporting spring is abutted to the lower surface of the limiting sleeve (37);

the lower part of the pin lock connecting piece (34) is in driving connection with the transmission shaft (32), and the upper part of the pin lock connecting piece is matched with the pin lock connecting nail (36);

the circuit breaker drive mechanism (5) comprises: the first deflector rod (51) is arranged on the operation panel (12) and is rotationally connected with the operation panel (12), one end of the first deflector rod extends into the operation panel (12), and the other end of the first deflector rod extends out of the surface of the operation panel (12); the first driving cam (52) is arranged on one side of the first driving lever (51) extending into the operation panel (12), is in driving connection with the first driving lever (51), and rotates coaxially with the first driving lever (51); the first sliding seat (57) is horizontally arranged on the inner side of the operation panel (12) and is consistent with the horizontal height of the rotating shaft center of the first driving cam (52); the first ejector rod (53) is horizontally arranged in the first sliding seat (57), is connected with the first sliding seat (57) in a sliding way, and one end of the first ejector rod is abutted against the first driving cam (52); the circuit breaker driving shaft (54) is arranged at the tail end of the first ejector rod (53) and is fixedly connected with the first ejector rod (53); a first return spring (55) which is arranged in the first sliding seat (57), one end of which is abutted against the outer wall of the first sliding seat (57), and the other end of which is abutted against the circuit breaker driving shaft (54); and the sliding pin hole (56) is arranged at the lower part of the first ejector rod (53) and is matched with the brake bolt (35).

6. An anti-misoperation safety switch cabinet according to claim 5, wherein:

the transmission ratio of the first transmission gear (204) to the second transmission gear (33) is consistent with the transmission ratio of the first bevel gear (205) to the second bevel gear (210).

7. An anti-misoperation safety switch cabinet according to claim 5, characterized in that:

the horizontal height of the grounding switch driving mechanism (6) is consistent with that of the circuit breaker driving mechanism (5);

the earthing switch drive mechanism (6) comprises: the second deflector rod (61) is arranged on the operation panel (12) and is rotationally connected with the operation panel (12), one end of the second deflector rod extends into the operation panel (12), and the other end of the second deflector rod extends out of the surface of the operation panel (12); the second driving cam (62) is arranged on one side, extending into the operation panel (12), of the second driving lever (61), is in driving connection with the second driving lever (61), and rotates coaxially with the second driving lever (61); the second sliding seat (66) is horizontally arranged on the inner side of the operation panel (12) and is consistent with the horizontal height of the rotating shaft center of the second driving cam (62); the second ejector rod (63) is horizontally arranged in the second sliding seat (66) and is in sliding connection with the second sliding seat (66), and one end of the second ejector rod is abutted against the second driving cam (62); the grounding switch driving shaft (64) is arranged at the tail end of the second ejector rod (63) and is fixedly connected with the second ejector rod (63); and a second return spring (65) which is arranged in the second sliding seat (66), one end of which is abutted against the outer wall of the second sliding seat (66), and the other end of which is abutted against the grounding switch driving shaft (64).

8. An anti-misoperation safety switch cabinet according to claim 7, wherein:

the interlocking mechanism (4) comprises: a ramp (41) disposed below the breaker drive shaft (54) and fixedly connected to the breaker drive shaft (54); a chute (42) provided in an upper portion of the ground switch drive shaft (64) and having a slope corresponding to the slope of the ramp (41); the guide sleeve (43) is transversely arranged between the sloping platform (41) and the chute (42) and is fixedly connected with the switch cabinet body (1); and the interlocking pin rod (44) is arranged in the guide sleeve (43) and is in sliding connection with the guide sleeve (43), one end of the interlocking pin rod close to the circuit breaker driving shaft (54) is in sliding connection with the inclined table (41), and one end of the interlocking pin rod close to the grounding switch driving shaft (64) is in clearance fit with the inclined groove (42).

9. A working method of a safety switch cabinet capable of preventing misoperation is characterized by comprising the following steps:

step S1, power failure cabinet opening maintenance is carried out, a first poking rod (51) of a circuit breaker driving mechanism (5) is manually poked downwards, a rocking wheel handle (203) is installed on a rocking wheel body (202), and at least two circles of clockwise rotation are carried out, so that the rocking wheel body (202) drives a first helical gear (205) to rotate forwards, a second helical gear (207) meshed with the first helical gear (205) and a first vertical shaft (206) in driving connection with the second helical gear (207) are driven to rotate forwards, a first transverse shaft (211), a second transverse shaft (213) and a second vertical shaft (209) are further driven to rotate forwards respectively, and a valve body (11) is opened; meanwhile, the first transmission gear (204) drives the second transmission gear (33) to rotate forwards, the pin lock connecting piece (34) rotates forwards, the pin lock connecting nail (36) is separated from the sliding groove (342), and the brake bolt (35) moves upwards under the action of the supporting spring (38) and is inserted into the sliding pin hole (56) of the first ejector rod (53) to restrict the movement of the first ejector rod (53);

step S2, powering on the cabinet, installing the rocking wheel handle (203) on the rocking wheel body (202), rotating at least two circles anticlockwise, so that the rocking wheel body (202) drives the first helical gear (205) to rotate reversely, thereby driving the second helical gear (207) meshed with the first helical gear (205) and the first vertical shaft (206) in driving connection with the second helical gear (207) to rotate reversely, further driving the first transverse shaft (211), the second transverse shaft (213) and the second vertical shaft (209) to rotate reversely, and closing the shutter body (11); meanwhile, the first transmission gear (204) drives the second transmission gear (33) to rotate reversely, the pin lock connecting piece (34) rotates reversely, the pin lock connecting nail (36) gradually slides into the sliding groove (342), the brake bolt (35) is driven to move downwards and is separated from the sliding pin hole (56) of the first ejector rod (53), and the first ejector rod (53) is stopped from being restricted to move; at the moment, a first poking rod (51) of the circuit breaker driving mechanism (5) is manually poked upwards.

10. The working method of the safety switch cabinet for preventing misoperation according to claim 9, wherein the working method comprises the following steps:

in the step S2, after the first lever (51) of the circuit breaker driving mechanism (5) is manually moved upward, the first driving cam (52) is driven to rotate and pushes the first push rod (53) to move inward, the circuit breaker driving shaft (54) is driven to move inward, the ramp (41) drives the interlocking pin (44) to slide toward one side of the grounding switch driving shaft (64), the end of the interlocking pin (44) slides into the inclined groove (42) of the grounding switch driving shaft (64), and the grounding switch driving shaft (64) is braked to move.