CN112086879A

CN112086879A - Switch board convenient to overhaul

Info

Publication number: CN112086879A
Application number: CN202010991789.7A
Authority: CN
Inventors: 储娟英
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2020-12-15

Abstract

The invention discloses a power distribution cabinet convenient to overhaul, which comprises a cabinet body, wherein an electric room is arranged in the cabinet body, a cabinet door is hinged, matched and connected to the left side of the cabinet body, guide chutes are symmetrically arranged on the front wall and the rear wall of the electric room, a sliding arm is connected between the guide chutes on the front side and the rear side in a sliding and matching manner, a fixed block is fixedly arranged on the front side of the sliding arm, an upper mounting frame is fixedly arranged on the left side of the fixed block, a lower mounting frame is arranged on the lower side of the upper mounting frame, a first control cavity is arranged on the right side of a heat dissipation groove, a second control cavity is arranged on the right side of the electric room, a first rotating shaft which extends up and down is rotatably and fittingly connected to the top wall of the second control cavity, a driving and controlling mechanism for controlling the rotation of an internal thread rotating sleeve is arranged in the first control cavity, maintenance personnel are not needed to ascend, and operation and maintenance are convenient.

Description

Switch board convenient to overhaul

Technical Field

The invention relates to the technical field of power distribution cabinets, in particular to a power distribution cabinet convenient to overhaul.

Background

The power distribution cabinet is a general name of a motor control center, mainly provides protection, monitoring and control for the load of equipment, and as economy of China is continuously developed, more and more equipment are built, so that the power distribution cabinet is required to be protected, monitored and controlled, and the requirements of people on the power distribution cabinet are higher and higher; there is certain drawback in current switch board when using, at first, the switch board has certain height, when the switch board breaks down, inconvenient people maintain it, certain adverse effect has, the inconvenient people of components and parts that are in the eminence overhauls and maintains it, need maintainer operation of ascending a height, secondly, traditional switch board is for passive heat dissipation, the radiating effect is poor, certain adverse effect has to the life of switch board, for this reason, we provide an automated control distribution cabinet convenient to overhaul.

Disclosure of Invention

The invention aims to provide a power distribution cabinet convenient to overhaul, which is used for overcoming the defects in the prior art.

The power distribution cabinet convenient to overhaul comprises a cabinet body, wherein an electric chamber is arranged in the cabinet body, a cabinet door is hinged, matched and connected to the left side of the cabinet body, guide sliding grooves are symmetrically formed in the front wall and the rear wall of the electric chamber, a sliding arm is connected between the guide sliding grooves on the front side and the rear side in a sliding fit mode, a fixed block is fixedly arranged on the front side of the sliding arm, an upper mounting frame is fixedly arranged on the left side of the fixed block, a lower mounting frame is arranged on the lower side of the upper mounting frame, a heat dissipation groove is communicated and arranged in the top wall of the electric chamber, a heat dissipation mechanism is arranged in the heat dissipation groove, a first control cavity is arranged on the right side of the heat dissipation groove, a second control cavity is arranged on the right side of the electric chamber, an internal thread rotating sleeve is rotatably and cooperatively connected in the second control cavity, a telescopic screw rod is in a threaded fit, the outer surface of the internal thread rotating sleeve is circumferentially and fixedly provided with a first bevel gear, the top wall of the second control cavity is connected with a first rotating shaft which extends up and down in a rotating and matching mode, the bottom end of the first rotating shaft is fixedly provided with a second bevel gear which is connected with the first bevel gear in a meshing mode, the top end of the first rotating shaft is fixedly provided with a first gear which is located in the first control cavity, the first control cavity is internally provided with a driving and controlling mechanism which is used for controlling the internal thread rotating sleeve to rotate, and the right side wall of the electric room is internally provided with a touch control mechanism.

According to the further technical scheme, the electric elements are arranged on the left end faces of the upper mounting frame and the lower mounting frame.

According to a further technical scheme, air inlets are further formed in the front side wall and the rear side wall of the electric room.

According to the technical scheme, the heat dissipation mechanism comprises an air exhaust port and a first motor, the air exhaust port is symmetrically arranged in the front wall and the rear wall of the heat dissipation groove in front and rear directions, the first motor is fixedly arranged in the top wall of the heat dissipation groove, and the bottom of the first motor is connected with air exhaust heat dissipation fan blades in a power fit mode.

According to a further technical scheme, the driving and controlling mechanism comprises a second motor fixedly arranged in the bottom wall of the first control cavity, the top of the second motor is in power connection with a second rotating shaft, a connecting disc is fixedly arranged on the second rotating shaft in the circumferential direction, a second gear in spline fit connection with the second rotating shaft is arranged on the upper side of the connecting disc, a first spring is connected between the second gear and the connecting disc in a jacking fit manner, the second gear is located at the left side position of the first gear, a first annular groove with a T-shaped cross section is arranged in the second gear, a first sliding block is connected in the first annular groove in a sliding fit manner, a latch rotating disc in spline fit connection with the second rotating shaft is arranged on the upper side of the second gear, a latch part is fixedly arranged on the top end face of the latch rotating disc, a second annular groove with a T-shaped cross section is arranged in the latch rotating disc, and a second sliding block is connected in the second annular groove in a sliding fit manner, a first belt wheel connected with the second rotating shaft in a rotating fit manner is arranged on the upper side of the latch rotating disc, an annular clamping groove portion is fixedly arranged on the bottom end face of the first belt wheel, the annular clamping groove portion and the latch portion are oppositely arranged, a second spring is further connected between the first belt wheel and the latch rotating disc in a pressing fit manner, a third rotating shaft which extends up and down is connected with the left side of the second rotating shaft in a rotating fit manner, a worm is circumferentially and fixedly arranged on the third rotating shaft, a second belt wheel fixedly connected with the third rotating shaft in the circumferential direction is arranged at the top of the worm, a transmission belt is connected between the second belt wheel and the first belt wheel in a power fit manner, a worm wheel meshed and connected with the left side of the worm is fixedly provided with a fourth rotating shaft extending back and forth, and the front side and the back side of the fourth rotating shaft are respectively connected with the front wall and the back wall of the first control cavity, and the front side and the rear side of the worm wheel are symmetrically provided with wire winding wheels which are circumferentially and fixedly connected with the fourth rotating shaft, the wire winding wheels are fixedly provided with first pull ropes, and the other ends of the first pull ropes extend into the guide sliding grooves and are fixedly connected with the top end surfaces of the sliding arms.

In a further technical scheme, the touch control mechanism comprises a first inner groove and a first sliding pin, the first inner groove is arranged opposite to the right end face of the lower mounting frame, the first sliding pin is arranged in the first inner groove in a sliding fit connection mode, a third spring is fixedly arranged between the right end face of the first sliding pin and the right side wall of the first inner groove in a sliding fit mode, a concave groove with an upward opening is formed in the top end face of the first sliding pin, a second inner groove is arranged in the top wall of the first inner groove in a communicated mode, a second sliding pin is connected in the second inner groove in a sliding fit mode, a fourth spring is connected in a top pressing fit mode of the second sliding pin, an electromagnetic coil device is fixedly arranged in the top wall of the second inner groove, the second sliding pin is made of a magnetic material, a second pull rope is fixedly arranged on the left end face of the second sliding pin, a third pull rope is fixedly arranged on the right end face of the second sliding pin, and the other end of the second pull rope extends into the first annular groove, the other end of the third pull rope extends into the second annular groove and is fixedly connected with the second sliding block.

According to the technical scheme, a first limiting block is fixedly arranged on the bottom end face of the upper mounting frame, and a second limiting block is fixedly arranged on the top end face of the lower mounting frame.

The invention has the beneficial effects that: according to the invention, after the lower mounting frame is in abutting fit connection with the first sliding pin, the separation work of the second gear and the first gear is automatically controlled, and simultaneously, the matching connection work of the clamping tooth part and the annular clamping groove part on the clamping tooth rotary table is realized, so that the automatic switching control is realized as the lifting driving work of the upper mounting frame controlled by the second motor, the upper mounting frame is controlled to move downwards after the lower mounting frame moves rightwards, so that the maintenance and the overhaul of the upper mounting frame at a high position are facilitated, the separation control of the clamping tooth part and the annular clamping groove part on the automatic control tooth rotary table is realized by electrifying the electromagnetic coil device, and meanwhile, the second gear is in fit connection with the first gear again, so that the reset operation of the lower mounting frame is controlled, the automatic control rate is improved, the ascending work of maintenance personnel is not needed, and.

Drawings

FIG. 1 is a schematic diagram of an internal structure of a power distribution cabinet for easy maintenance in the present invention;

FIG. 2 is a cross-sectional view A-A of FIG. 1 in accordance with the present invention;

FIG. 3 is an enlarged schematic view of B of FIG. 1 in accordance with the present invention;

fig. 4 is an enlarged schematic view of C of fig. 1 of the present invention.

Detailed Description

The invention will now be described in detail with reference to fig. 1-4, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

Referring to fig. 1 to 4, the power distribution cabinet convenient to overhaul according to the embodiment of the present invention includes a cabinet body 210, an electrical chamber 211 is disposed in the cabinet body 210, a cabinet door 212 is hinged and connected to the left side of the cabinet body 210, guide slots 215 are symmetrically disposed on the front and rear walls of the electrical chamber 211, a sliding arm 229 is slidably connected between the guide slots 215 on the front and rear sides, a fixed block 230 is fixedly disposed on the front side of the sliding arm 229, an upper mounting frame 214 is fixedly disposed on the left side of the fixed block 230, a lower mounting frame 213 is disposed on the lower side of the upper mounting frame 214, a heat dissipation groove 232 is disposed in the top wall of the electrical chamber 211 in a communicating manner, a heat dissipation mechanism is disposed in the heat dissipation groove 232, a first control cavity 223 is disposed on the right side of the heat dissipation groove 232, a second control cavity 217 is disposed on the right side of the electrical chamber 211, and, the left side end of the internal thread rotating sleeve 218 is connected with a telescopic screw 231 in a threaded fit manner, the left side end of the telescopic screw 231 is fixedly connected with the right side end face of the lower mounting frame 213, a first bevel gear 219 is fixedly arranged on the outer surface of the internal thread rotating sleeve 218 in the circumferential direction, a first rotating shaft 221 which extends up and down is connected in the top wall of the second control cavity 217 in a rotating fit manner, a second bevel gear 220 which is connected with the first bevel gear 219 in a meshed manner is fixedly arranged at the bottom end of the first rotating shaft 221, a first gear 250 which is located in the first control cavity 223 is fixedly arranged at the top end of the first rotating shaft 221, a driving and controlling mechanism which is used for controlling the rotation of the internal thread rotating sleeve 218 is arranged in the first control cavity 223, and a touch control mechanism is further arranged in the right side wall of the.

Advantageously or exemplarily, the upper mounting bracket 214 and the lower mounting bracket 213 are each provided with an electrical component on a left side end face thereof.

Advantageously or exemplarily, air inlets 263 are further disposed on the front and rear sidewalls of the electrical chamber 211, so as to allow air to rapidly flow into the electrical chamber 211.

Beneficially or exemplarily, the heat dissipation mechanism includes an air outlet 234 disposed in the front wall and the rear wall of the heat dissipation slot 232 in a front-back symmetrical manner, and a first motor 233 fixedly disposed in the top wall of the heat dissipation slot 232, and a bottom of the first motor 233 is connected with an air-extracting heat dissipation fan 235 in a power-fit manner, so as to further accelerate air circulation and improve heat dissipation and cooling effects.

Beneficially or exemplarily, the driving mechanism includes a second motor 248 fixed in the bottom wall of the first control chamber 223, a second rotating shaft 249 is dynamically connected to the top of the second motor 248, a connecting disc 251 is fixed on the second rotating shaft 249 in the circumferential direction, a second gear 264 in spline fit connection with the second rotating shaft 249 is arranged on the upper side of the connecting disc 251, a first spring 252 is connected between the second gear 264 and the connecting disc 251 in a pressing fit manner, the second gear 264 is located at the left side position of the first gear 250, a first annular groove 253 with a T-shaped cross section is arranged in the second gear 264, a first sliding block 254 is connected in the first annular groove 253 in a sliding fit manner, a latch rotating disc 255 in spline fit connection with the second rotating shaft 249 is arranged on the upper side of the second gear 264, and a latch portion 262 is fixed on the top end surface of the latch rotating disc 255, a second annular groove 256 with a T-shaped section is arranged in the latch rotary table 255, a second sliding block 257 is connected in the second annular groove 256 in a sliding fit manner, a first belt wheel 258 connected with the second rotating shaft 249 in a rotating fit manner is arranged on the upper side of the latch rotary table 255, an annular groove 260 is fixedly arranged on the bottom end face of the first belt wheel 258, the annular groove 260 is arranged opposite to the latch part 262, a second spring 261 is further connected between the first belt wheel 258 and the latch rotary table 255 in a pressing fit manner, a third rotating shaft 225 extending up and down is connected on the left side of the second rotating shaft 249 in a rotating fit manner, a worm 227 is fixedly arranged on the third rotating shaft 225 in the circumferential direction, a second belt wheel 226 fixedly connected with the third rotating shaft 225 in the circumferential direction is arranged on the top of the worm 227, and a transmission belt 259 is connected between the second belt wheel 226 and the first belt wheel 258 in a power fit manner, the worm wheel 228 that the left side meshing of worm 227 is connected, the fourth pivot 224 that sets up is extended around setting firmly on the worm wheel 228, the front and back both sides of fourth pivot 224 respectively with the preceding back wall normal running fit of first control chamber 223 is connected, the front and back bilateral symmetry of worm wheel 228 be equipped with fourth pivot 224 circumference fixed connection's wire reel 236, the last first stay cord 237 that sets firmly of wire reel 236, the other end of first stay cord 237 stretch into in the guide chute 215 and with the top end fixed connection of slide arm 229 to realize the lifting drive control of automatic control upper mounting bracket 214 and the left and right movement control of lower mounting bracket 213.

Advantageously or exemplarily, the touch control mechanism comprises a first inner groove 238 disposed opposite to the right end face of the lower mounting bracket 213 and a first sliding pin 239 slidably fitted and connected in the first inner groove 238, a third spring 247 is fixedly disposed between the right end face of the first sliding pin 239 and the right side wall of the first inner groove 238, a concave groove 240 with an upward opening is disposed in the top end face of the first sliding pin 239, a second inner groove 241 is disposed in communication in the top wall of the first inner groove 238, a second sliding pin 242 is slidably fitted and connected in the second inner groove 241, a fourth spring 244 is press-fittingly connected in the top of the second sliding pin 242, an electromagnetic coil device 243 is fixedly disposed in the top wall of the second inner groove 241, the second sliding pin 242 is made of a magnetic material, a second pulling rope 246 is fixedly disposed on the left end face of the second sliding pin 242, a third pulling rope 245 is fixedly disposed on the right end face of the second sliding pin 242, the other end of the second pulling rope 246 extends into the first annular groove 253 and is fixedly connected with the first sliding block 254, and the other end of the third pulling rope 245 extends into the second annular groove 256 and is fixedly connected with the second sliding block 257, so that the switching control of power transmission is realized.

Advantageously or exemplarily, the upper mounting frame 214 is fixedly provided with a first stopper 265 on a bottom end surface thereof, and the lower mounting frame 213 is fixedly provided with a second stopper 266 on a top end surface thereof, so as to achieve accurate positioning and installation.

In an initial state, the sliding arm 229 is located at the topmost position in the sliding guide slot 215, at this time, the fixing block 230 at the front side of the sliding arm 229 drives the upper mounting frame 214 to be located at the topmost position in the electrical chamber 211, the worm wheel 228 is connected with the worm 227 in a matching manner, so that the upper mounting frame 214 is self-locked, at the same time, the lower mounting frame 213 is located at the position right below the upper mounting frame 214, at this time, the first limiting block 265 and the second limiting block 266 are in a butting state, at the same time, the lower mounting frame 213 is far away from the first inner groove 238, at this time, the first sliding pin 239 receives the jacking force of the third spring 247, so that the left section of the first sliding pin 239 extends into the electrical chamber 211 to the maximum extent, at the same time, the concave groove 240 is far away from the second inner groove 241, at this time, the second sliding pin 242 is located in the second inner groove 241 to the maximum extent against the jacking force of the fourth spring 244, and at the bottom end of the second sliding, at this time, the second slide pin 242 drives the second pull rope 246 to be in a tensioned state, and at the same time, the third pull rope 245 is in a relaxed state, at this time, the second pull rope 246 drives the second gear 264 to overcome the pressing force of the first spring 252, so that the second gear 264 and the first gear 250 are in a meshed connection state, and at the same time, the latch rotary table 255 receives the pressing force of the second spring 261, so that the latch rotary table 255 is furthest away from the annular latch groove portion 260.

Principle of operation

The second motor 248 drives the second rotating shaft 249 to rotate, and further the second gear 264 drives the first gear 250 to rotate, at this time, because the latch rotating disc 255 is far away from the annular clamping groove part 260, and the first pulley 258 and the second rotating shaft 249 are in a state of being in a rotating fit connection, the rotation of the second rotating shaft 249 cannot drive the first pulley 258 to rotate, at the same time, the first gear 250 drives the first bevel gear 219 and the second bevel gear 220 at the bottom end of the first rotating shaft 221 to rotate, and further the internal thread rotating sleeve 218 drives the lower mounting frame 213 to move to the right side until the right end surface of the lower mounting frame 213 abuts against the first sliding pin 239, at this time, the lower mounting frame 213 is completely located at the right side position of the upper mounting frame 214, and the first sliding pin 239 moves to the right side against the pressing force of the third spring 247 until the first sliding pin 239 completely slides into the first inner groove 238, at this time, the concave groove 240 moves to be located at a position opposite to the bottom of the second inner, meanwhile, the second sliding pin 242 is pressed by the fourth spring 244, so that the bottom section of the second sliding pin 242 slides into the recessed groove 240, and the locking of the first sliding pin 239 is realized, meanwhile, the downward sliding of the first sliding pin 239 drives the second pulling rope 246 to be in a relaxed state, and simultaneously, the third pulling rope 245 is in a tensioned state, at this time, the second gear 264 is pressed by the first spring 252, so that the second gear 264 is far away from the first gear 250, and at the same time, the third pulling rope 245 drives the latch rotating disc 255 to slide upwards against the pressing force of the second spring 261, so that the latch part 262 on the latch rotating disc 255 is in fit connection with the annular latch part 260, at this time, the second motor 248 drives the second rotating shaft 249 to rotate, so that the latch rotating disc 255 drives the annular latch rotating disc 260 and the first belt wheel 258 to rotate, the belt transmission worm 259 on the first belt wheel 258 drives the second belt 226 and worm 227 to rotate, and further the worm wheel 228 on the fourth rotating shaft 224 and the winding wheel 236 on the fourth rotating shaft 224 are driven by the worm 227, the winding wheel 236 is in a paying-off state, so that the upper mounting frame 214 slides downwards under the influence of self gravity, and the maintenance of the electric elements on the upper mounting frame 214 is facilitated;

after the maintenance of the upper mounting frame 214 is completed, the second motor 248 is controlled to drive the second rotating shaft 249 to rotate reversely, so that the upper mounting frame 214 moves upwards until the upper mounting frame 214 slides to the topmost position in the electrical chamber 211, at this time, the electromagnetic coil device 243 is powered on, so that the second sliding pin 242 and the electromagnetic coil device 243 generate suction force to overcome the jacking force of the fourth spring 244 to slide upwards, so that the second pulling rope 246 is in a tensioned state again, at the same time, the third pulling rope 245 is in a relaxed state again, so that the latch rotating disc 255 is far away from the annular clamping groove part 260, at the same time, the second gear 264 slides downwards against the jacking force of the first spring 252, so that the second gear 264 is meshed with the first gear 250 again, at this time, the second motor 248 is controlled to drive the second rotating shaft 249 to rotate reversely, so that the internal thread rotating sleeve 218 drives the telescopic screw 231 and the lower mounting frame 213 to move towards the left, until the first stopper 265 abuts against the second stopper 266, the second motor 248 is controlled to stop working, and meanwhile, since the lower mounting frame 213 is far away from the first inner groove 238, the first sliding pin 239 slides to the left side under the pressing force of the third spring 247, so that the left section of the first sliding pin 239 slides into the electrical chamber 211 again, and meanwhile, the concave groove 240 is far away from the second inner groove 241, and finally the electromagnetic coil device 243 is controlled to be powered off.

It will be apparent to those skilled in the art that various modifications may be made to the above embodiments without departing from the general spirit and concept of the invention. All falling within the scope of protection of the present invention. The protection scheme of the invention is subject to the appended claims.

Claims

1. The utility model provides a switch board convenient to overhaul, includes the cabinet body, the internal electric room that is equipped with of cabinet, the articulated cooperation in left side of the cabinet body is connected with cabinet door, its characterized in that: the front wall and the rear wall of the electric room are symmetrically provided with guide chutes, the guide chutes on the front side and the rear side are connected with a sliding arm in a sliding fit manner, the front side of the sliding arm is fixedly provided with a fixed block, the left side of the fixed block is fixedly provided with an upper mounting frame, the lower side of the upper mounting frame is provided with a lower mounting frame, the top wall of the electric room is internally communicated with a heat dissipation groove, the heat dissipation groove is internally provided with a heat dissipation mechanism, the right side of the heat dissipation groove is provided with a first control cavity, the right side of the electric room is provided with a second control cavity, the second control cavity is internally connected with an internal thread rotating sleeve in a rotating fit manner, the left end of the internal thread rotating sleeve is connected with a telescopic screw in a threaded fit manner, the left end of the telescopic screw is fixedly connected with the right end face of the lower mounting frame, a first bevel gear is circumferentially fixedly arranged on the, the bottom end of the first rotating shaft is fixedly provided with a second bevel gear in meshed connection with the first bevel gear, the top end of the first rotating shaft is fixedly provided with a first gear in the first control cavity, the first control cavity is internally provided with a driving and controlling mechanism for controlling the rotation of the internal thread rotating sleeve, and the right side wall of the electric room is also internally provided with a touch control mechanism.

2. The distribution cabinet convenient to overhaul according to claim 1, wherein: and the left end faces of the upper mounting frame and the lower mounting frame are provided with electric elements.

3. The distribution cabinet convenient to overhaul according to claim 1, wherein: and air inlets are also formed in the front side wall and the rear side wall of the electric room.

4. The distribution cabinet convenient to overhaul according to claim 1, wherein: the heat dissipation mechanism comprises an air exhaust port arranged in the front wall and the rear wall of the heat dissipation groove in a front-back symmetrical mode and a first motor fixedly arranged in the top wall of the heat dissipation groove, and the bottom of the first motor is connected with air exhaust heat dissipation fan blades in a power-matching mode.

5. The distribution cabinet convenient to overhaul according to claim 1, wherein: the driving and controlling mechanism comprises a second motor fixedly arranged in the bottom wall of the first control cavity, the top of the second motor is in power connection with a second rotating shaft, a connecting disc is fixedly arranged on the second rotating shaft in the circumferential direction, a second gear in spline fit connection with the second rotating shaft is arranged on the upper side of the connecting disc, a first spring is connected between the second gear and the connecting disc in a jacking fit manner, the second gear is positioned at the left side position of the first gear, a first annular groove with a T-shaped cross section is arranged in the second gear, a first sliding block is connected in the first annular groove in a sliding fit manner, a latch rotating disc in spline fit connection with the second rotating shaft is arranged on the upper side of the second gear, a latch part is fixedly arranged on the top end face of the latch rotating disc, a second annular groove with a T-shaped cross section is arranged in the latch rotating disc, and a second sliding block is connected in the second annular groove in a sliding fit manner, a first belt wheel connected with the second rotating shaft in a rotating fit manner is arranged on the upper side of the latch rotating disc, an annular clamping groove portion is fixedly arranged on the bottom end face of the first belt wheel, the annular clamping groove portion and the latch portion are oppositely arranged, a second spring is further connected between the first belt wheel and the latch rotating disc in a pressing fit manner, a third rotating shaft which extends up and down is connected with the left side of the second rotating shaft in a rotating fit manner, a worm is circumferentially and fixedly arranged on the third rotating shaft, a second belt wheel fixedly connected with the third rotating shaft in the circumferential direction is arranged at the top of the worm, a transmission belt is connected between the second belt wheel and the first belt wheel in a power fit manner, a worm wheel meshed and connected with the left side of the worm is fixedly provided with a fourth rotating shaft extending back and forth, and the front side and the back side of the fourth rotating shaft are respectively connected with the front wall and the back wall of the first control cavity, and the front side and the rear side of the worm wheel are symmetrically provided with wire winding wheels which are circumferentially and fixedly connected with the fourth rotating shaft, the wire winding wheels are fixedly provided with first pull ropes, and the other ends of the first pull ropes extend into the guide sliding grooves and are fixedly connected with the top end surfaces of the sliding arms.

6. The distribution cabinet convenient to overhaul according to claim 1, wherein: the touch control mechanism comprises a first inner groove and a first sliding pin, the first inner groove is arranged opposite to the right end face of the lower mounting frame, the first sliding pin is arranged in the first inner groove in a sliding fit connection mode, a third spring is fixedly arranged between the right end face of the first sliding pin and the right side wall of the first inner groove, a concave groove with an upward opening is arranged in the top end face of the first sliding pin, a second inner groove is arranged in the top wall of the first inner groove in a communication mode, a second sliding pin is connected in the second inner groove in a sliding fit mode, a fourth spring is connected in the top of the second sliding pin in a jacking fit mode, an electromagnetic coil device is fixedly arranged in the top wall of the second inner groove, the second sliding pin is made of a magnetic material, a second pull rope is fixedly arranged on the left end face of the second sliding pin, a third pull rope is fixedly arranged on the right end face of the second sliding pin, and the other end of the second pull rope extends into the first annular groove and is fixedly, the other end of the third pull rope extends into the second annular groove and is fixedly connected with the second sliding block.

7. The distribution cabinet convenient to overhaul according to claim 6, wherein: go up and set firmly first stopper on the bottom terminal surface of mounting bracket, set firmly the second stopper on the top terminal surface of lower mounting bracket.