CN111741630A

CN111741630A - Intelligent control cabinet based on PLC control

Info

Publication number: CN111741630A
Application number: CN202010640656.5A
Authority: CN
Inventors: 孙亚灿; 严纪兰
Original assignee: Shandong Vocational College of Light Industry
Current assignee: Shandong Vocational College of Light Industry
Priority date: 2020-07-06
Filing date: 2020-07-06
Publication date: 2020-10-02

Abstract

The invention provides an intelligent control cabinet based on PLC control, which comprises an intelligent control cabinet body, a hinge, a cabinet door, a linear sliding seat, a U-shaped sliding seat, an adjusting screw, a mounting plate, a mounting hole, a wire inlet pipe, a wire outlet pipe and a PLC, wherein the cabinet door is mounted at the front part of the intelligent control cabinet body through the hinge, and is buckled at the front part of the intelligent control cabinet body. The accommodating pull rope, the pull ring, the tool placing table, the U-shaped lining seat, the winding wheel, the wheel shaft, the supporting wheel frame, the rotating handle and the fastening screw are arranged, so that maintenance tools can be conveniently placed and maintained, the operation is convenient, the winding wheel can rotate inside the supporting wheel frame through the wheel shaft by loosening and removing the fastening screw, the accommodating pull rope can pull the pull ring, the tool placing table can rotate inside the U-shaped lining seat until the tool placing table is in a horizontal state, the tool placing table can be conveniently placed, the use is convenient, and the operation is convenient.

Description

Intelligent control cabinet based on PLC control

Technical Field

The invention belongs to the technical field of PLC control cabinets, and particularly relates to an intelligent control cabinet based on PLC control.

Background

The PLC control cabinet is a complete set of control electrical cabinet capable of realizing motor switching, and has the functions of overload, short circuit, open-phase protection and the like. The device has compact structure, stable work and complete functions, can be combined according to the size of an actual control scale, can realize the automatic control of a single cabinet, can also realize that a plurality of cabinets form a distributed control (DSC) system through an industrial Ethernet or an industrial field bus network, can adapt to various industrial automation control occasions of various sizes, and is widely applied to the industries of electric power, metallurgy, chemical industry, papermaking, environmental protection sewage treatment and the like.

At present, PLC control is generally not supported by an intelligent control cabinet.

But current intelligent control cabinet still has to fall to the ground the installation for a long time and leads to inside components and parts to wet easily, and ventilation cooling does not in time influence inside components and parts job stabilization nature, and the maintenance is not convenient for place the instrument and does not possess prompt facility's problem when overhauing.

Therefore, the invention of the intelligent control cabinet based on PLC control is very necessary.

Disclosure of Invention

In order to solve the technical problems, the invention provides an intelligent control cabinet based on PLC control, which aims to solve the problems that the existing intelligent control cabinet is easy to damp because of long-time floor installation, the working stability of internal components is affected due to untimely ventilation and heat dissipation, tools are inconvenient to place during maintenance and overhaul, and the intelligent control cabinet does not have a prompt function. An intelligent control cabinet based on PLC control comprises an intelligent control cabinet body, hinges, a cabinet door, a linear slide seat, a U-shaped slide seat, adjusting screws, a mounting plate, mounting holes, a wire inlet pipe, a wire outlet pipe, a PLC, a retractable maintenance tool placing table structure, an adjustable warning recording plate structure, a detachable insect-proof cooling heat dissipation box structure and an adjustable landing-free suspension frame structure, wherein the cabinet door is mounted at the front part of the intelligent control cabinet body through the hinges, and the cabinet door is buckled at the front part of the intelligent control cabinet body; the middle parts of the left wall and the right wall in the intelligent control cabinet body are longitudinally connected with linear sliding seats through bolts; the outer wall of the linear sliding seat is sequentially sleeved with a U-shaped sliding seat in a sliding manner from top to bottom and is fastened and connected through an adjusting screw; the mounting plate is transversely bolted at the middle part of the inner side between the U-shaped sliding seats; mounting holes are sequentially formed in the mounting plate from left to right; outlets at the left end and the right end of the bottom of the inner side of the intelligent control cabinet body are in threaded connection with a wire inlet pipe and a wire outlet pipe; the upper part of the rear wall at the inner side of the intelligent control cabinet body is transversely screwed with a PLC; the structure of the retractable maintenance tool placing table, the structure of the adjustable warning recording plate, the structure of the detachable insect-proof cooling heat dissipation box and the structure of the adjustable landing-free suspension bracket are connected with the intelligent control cabinet body through wires; the retractable maintenance tool placing table structure comprises a retractable pull rope, a pull ring, a tool placing table, a U-shaped lining seat, a winding wheel, a wheel shaft, a supporting wheel frame, a rotating handle and a fastening screw, wherein one end of the retractable pull rope is tied inside the pull ring, and the other end of the retractable pull rope is wound on the outer surface of the winding wheel; the pull ring screw is connected to the left upper side of the tool placing table; the right end of the tool placing table is connected inside the U-shaped lining seat in a shaft mode; the winding wheel is arranged on the left side of the inside of the supporting wheel frame through a wheel shaft; the front end screw of the wheel shaft is connected with a rotating handle; the rotating handle and the supporting wheel frame are fastened and connected through a fastening screw.

Preferably, the adjustable warning recording plate structure comprises a warning lamp row, a movable rod, a connecting pipe, a wing-shaped screw, a connecting rod, a maintenance recording plate and a reflecting strip, wherein the longitudinal lower end of the warning lamp row is connected to the upper end of the movable rod through a bolt; the movable rod is longitudinally inserted into the connecting pipe and is fixedly connected with the connecting pipe through a wing-shaped screw; the connecting pipe is longitudinally and threadedly connected to the left end of the connecting rod; the left side and the right side of the maintenance recording plate are longitudinally pasted with the reflective strips.

Preferably, the detachable insect-proof cooling heat dissipation box structure comprises an air box, a cleaning box cover, a lamp holder, an insect-proof lamp tube, a heat dissipation cooling fan and an air inlet filter screen, wherein the cleaning box cover is in threaded connection with an outlet at the left end of the air box; the lamp holders are all connected to the middle part of the right side of the cleaning box cover and the middle part of the right wall of the inner side of the air box through screws; insect-proof lamp tubes are inserted in the lamp holders; the left and right inlets of the upper part of the air box are connected with heat dissipation cooling fans through screws; the horizontal screw at the inlet of the middle part of the upper part of the air box is connected with an air inlet filter screen.

Preferably, the adjustable landing-free suspension bracket structure comprises a landing-free suspension mounting bracket, a suspension ring, an adjusting rod, a supporting sleeve, an adjusting bolt, a check ring and a mounting lining plate, wherein the suspension ring is connected to the left end and the right end of the rear side of the upper part of the landing-free suspension mounting bracket through screws; the left side and the right side of the lower part of the landing-free suspension mounting rack are longitudinally and threadedly connected with adjusting rods; the adjusting rod is longitudinally inserted in the supporting sleeve and is fastened and connected through an adjusting bolt; a check ring is sleeved in an annular groove formed in the outer wall of the lower end of the adjusting rod; and a mounting lining plate is transversely welded on the lower side of the front part of the support sleeve.

Preferably, the U-shaped lining seat is connected to the middle part of the left lower side of the intelligent control cabinet body through bolts.

Preferably, the transverse right end of the supporting wheel carrier is connected to the middle part of the left side of the intelligent control cabinet body through a bolt.

Preferably, the winding wheel is in key connection with the wheel shaft, and the wheel shaft is in bearing connection with the supporting wheel frame.

Preferably, the longitudinal upper end of the maintenance recording plate is connected with the lower end of the movable rod through a bolt.

Preferably, the horizontal right-hand member bolted connection of connecting rod in the upper left side middle part of the intelligent control cabinet body, the maintenance record board adopt white PVC plastic slab of can writing, the reflection of light strip adopt two alternate phosphor strips of yellow and white.

Preferably, the horizontal bolted connection of bellows is in the upper end import department of the intelligent control cabinet body to bellows and intelligent control cabinet body junction are provided with the stainless steel filter screen.

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

1. according to the invention, the arrangement of the storage pull rope, the pull ring, the tool placing table, the U-shaped lining seat, the winding wheel, the wheel shaft, the support wheel frame, the rotating handle and the fastening screw is favorable for placing, overhauling and maintenance tools and convenient to operate, the winding wheel can rotate inside the support wheel frame through the wheel shaft by loosening and taking down the fastening screw, the storage pull rope can pull the pull ring, the tool placing table can rotate inside the U-shaped lining seat until the tool placing table is in a horizontal state, and the tool placing table is convenient to use and convenient to operate.

2. According to the invention, the arrangement of the warning lamp row, the movable rod, the connecting pipe, the thumb screw, the connecting rod, the maintenance recording plate and the light reflecting strip is beneficial to increasing the maintenance warning function, the maintenance condition can be recorded, the warning prompt can be carried out through the warning lamp row, the misoperation of other people is avoided, the moving position of the movable rod in the connecting pipe can be adjusted through loosening the thumb screw, the thumb screw can be locked after the positions of the warning lamp row and the maintenance recording plate are determined, the maintenance recording maintenance convenience is ensured, and the safety is ensured.

3. According to the intelligent control cabinet, the air box, the cleaning box cover, the lamp holder, the insect prevention lamp tube, the heat dissipation and cooling fan and the air inlet filter screen are arranged, so that the heat dissipation, cooling and insect prevention functions are increased, heat dissipation and cooling can be performed through the heat dissipation and cooling fan, mosquitoes entering the air box can be trapped and killed through the insect prevention lamp tube, the influence of the mosquitoes on the inside of the intelligent control cabinet is avoided, a good impurity prevention effect can be achieved through the air inlet filter screen, the heat dissipation effect is guaranteed, and the heat dissipation and cooling effect is guaranteed.

4. According to the intelligent control cabinet, the landing-free suspension mounting frame, the suspension ring, the adjusting rod, the supporting sleeve, the adjusting bolt, the check ring and the mounting lining plate are arranged, so that the intelligent control cabinet can be suspended and mounted conveniently, the phenomenon that components inside the intelligent control cabinet are affected with damp due to long-time landing mounting is avoided, the landing-free suspension mounting frame can be used for suspension mounting work through the suspension ring, the moving position of the adjusting rod inside the supporting sleeve can be adjusted by loosening the adjusting bolt, and after the mounting position is determined, the adjusting bolt is locked, so that the mounting and fixing effects are guaranteed.

5. According to the invention, the arrangement of the check ring and the mounting lining plate is beneficial to playing a role of blocking through the check ring, the support sleeve is convenient to fixedly mount through the mounting lining plate, and the convenience in operation is ensured.

6. According to the intelligent control cabinet, the arrangement of the hinge and the cabinet door is beneficial to opening and closing, and is convenient to overhaul and maintain.

7. According to the invention, the arrangement of the linear sliding seat, the U-shaped sliding seat, the adjusting screw and the mounting plate is beneficial to loosening the adjusting screw according to the requirement of mounting the component, the position of the U-shaped sliding seat on the outer wall of the linear sliding seat is movably adjusted, the component can be mounted on the front part of the mounting plate after the mounting position is determined, and the fixed mounting operation is convenient.

8. In the invention, the arrangement of the mounting holes is beneficial to fixing and mounting components and is convenient to disassemble and mount.

9. According to the invention, the arrangement of the wire inlet pipe and the wire outlet pipe is beneficial to wire inlet and outlet and is convenient for wiring operation.

10. According to the invention, the PLC is arranged, so that intelligent control is facilitated, the convenience in operation is ensured, and the control is more intelligent.

Drawings

Fig. 1 is a schematic structural view of the present invention.

FIG. 2 is a schematic structural view of the stowable service tool platform structure of the present invention.

Fig. 3 is a schematic structural diagram of an adjustable warning recording plate structure according to the present invention.

Fig. 4 is a schematic structural diagram of the detachable insect-proof cooling heat dissipation box structure of the present invention.

Fig. 5 is a schematic structural diagram of the adjustable landing-free suspension structure of the invention.

In the figure:

1. an intelligent control cabinet body; 2. a hinge; 3. a cabinet door; 4. a linear slide carriage; 5. a U-shaped slide seat; 6. an adjusting screw; 7. mounting a plate; 8. mounting holes; 9. a wire inlet pipe; 10. a wire outlet pipe; 11. a PLC; 12. a structure of a retractable maintenance tool placing table; 121. a storage pull rope; 122. a pull ring; 123. a tool placement table; 124. a U-shaped lining seat; 125. a winding wheel; 126. a wheel axle; 127. a support wheel carrier; 128. a rotation handle; 129. fastening screws; 13. an adjustable warning recording plate structure; 131. a warning light bar; 132. a movable rod; 133. connecting the pipe; 134. a thumb screw; 135. a connecting rod; 136. maintaining the recording plate; 137. a light-reflecting strip; 14. a detachable insect prevention cooling heat dissipation box structure; 141. an air box; 142. cleaning the box cover; 143. a lamp socket; 144. an insect-proof lamp tube; 145. a heat dissipation cooling fan; 146. an air inlet filter screen; 15. an adjustable landing-free suspension bracket structure; 151. the mounting rack is hung without falling to the ground; 152. a suspension ring; 153. adjusting a rod; 154. a support sleeve; 155. adjusting the bolt; 156. a retainer ring; 157. and (6) mounting a lining plate.

Detailed Description

The invention is described in detail with reference to the accompanying drawings, as shown in fig. 1 and fig. 2, an intelligent control cabinet based on PLC control comprises an intelligent control cabinet body 1, a hinge 2, a cabinet door 3, a linear slide seat 4, a U-shaped slide seat 5, an adjusting screw 6, a mounting plate 7, a mounting hole 8, a wire inlet pipe 9, a wire outlet pipe 10, a PLC11, a retractable maintenance tool placing table structure 12, an adjustable warning recording plate structure 13, a detachable insect-proof cooling heat dissipation box structure 14 and an adjustable landing-free suspension frame structure 15, wherein the cabinet door 3 is mounted at the front part of the intelligent control cabinet body 1 through the hinge 2, and the cabinet door 3 is fastened at the front part of the intelligent control cabinet body 1; the middle parts of the left wall and the right wall in the intelligent control cabinet body 1 are longitudinally connected with linear sliding seats 4 through bolts; the outer wall of the linear sliding seat 4 is sequentially sleeved with a U-shaped sliding seat 5 in a sliding manner from top to bottom and is fastened and connected through an adjusting screw 6; the mounting plate 7 is transversely bolted at the middle part of the inner side between the U-shaped sliding seats 5; mounting holes 8 are sequentially formed in the mounting plate 7 from left to right; outlets at the left end and the right end of the bottom of the inner side of the intelligent control cabinet body 1 are in threaded connection with a wire inlet pipe 9 and a wire outlet pipe 10; the upper part of the rear wall at the inner side of the intelligent control cabinet body 1 is transversely screwed with a PLC 11; the retractable maintenance tool placing table structure 12, the adjustable warning recording plate structure 13, the detachable insect-proof cooling heat dissipation box structure 14 and the adjustable landing-free suspension bracket structure 15 are connected with the intelligent control cabinet body 1 through wires; the retractable maintenance tool placing platform structure 12 comprises a storage pull rope 121, a pull ring 122, a tool placing platform 123, a U-shaped liner seat 124, a winding wheel 125, a wheel shaft 126, a supporting wheel frame 127, a rotating handle 128 and a fastening screw 129, wherein one end of the storage pull rope 121 is tied inside the pull ring 122, and the other end of the storage pull rope is wound on the outer surface of the winding wheel 125; the pull ring 122 is connected to the left upper side of the tool placing platform 123 through a screw; the right end of the tool placing table 123 is coupled inside the U-shaped liner 124; the winding wheel 125 is arranged on the left side of the inner part of the supporting wheel frame 127 through a wheel shaft 126; the front end screw of the wheel shaft 126 is connected with a rotating handle 128; the rotating handle 128 and the supporting wheel frame 127 are fastened and connected through a fastening screw 129, and the winding wheel 125 can rotate inside the supporting wheel frame 127 through the wheel shaft 126 by loosening and removing the fastening screw 129, so that the pull ring 122 can be pulled by the accommodating pull rope 121, and the tool placing table 123 can rotate inside the U-shaped liner 124 until the tool placing table is in a horizontal state, so that a tool can be conveniently placed, and the tool placing table is convenient to use and operate.

In this embodiment, referring to fig. 3, the adjustable warning recording plate structure 13 includes a warning light row 131, a movable rod 132, a connecting tube 133, a wing screw 134, a connecting rod 135, a maintenance recording plate 136 and a reflective strip 137, wherein the longitudinal lower end of the warning light row 131 is bolted to the upper end of the movable rod 132; the movable rod 132 is longitudinally inserted into the connecting pipe 133 and is fastened and connected by a wing screw 134; the connecting pipe 133 is longitudinally screwed at the left end of the connecting rod 135; the left side and the right side of the maintenance recording plate 136 are longitudinally pasted with the reflective strips 137, warning prompt can be carried out through the warning lamp row 131, misoperation of other people is avoided, the movable position of the movable rod 132 inside the connecting pipe 133 can be adjusted by loosening the thumb screws 134, and after the positions of the warning lamp row 131 and the maintenance recording plate 136 are determined, the thumb screws 134 can be locked, maintenance, recording and overhaul convenience is guaranteed, and safety is guaranteed simultaneously.

In this embodiment, as shown in fig. 4, the detachable insect-proof cooling heat dissipation box structure 14 includes an air box 141, a cleaning box cover 142, a lamp holder 143, an insect-proof lamp 144, a heat dissipation cooling fan 145 and an air inlet filter screen 146, wherein the cleaning box cover 142 is connected to an outlet at the left end of the air box 141 through a screw thread; the lamp holders 143 are screwed in the middle of the right side of the cleaning box cover 142 and the middle of the right wall of the inner side of the air box 141; an insect-proof lamp tube 144 is inserted in the lamp holder 143; the inlets at the left and right sides of the upper part of the air box 141 are connected with heat dissipation cooling fans 145 by screws; the horizontal screw connection of upper portion middle part import department of bellows 141 has air inlet filter screen 146, can dispel the heat through heat dissipation cooling fan 145 and cool down, can trap and kill the inside mosquito of entering bellows 141 through protection against insects fluorescent tube 144, avoid the inside mosquito influence that receives of the intelligent control cabinet body 1, can play good miscellaneous effect of preventing through air inlet filter screen 146, guarantee the radiating effect, guarantee heat dissipation cooling effect.

In this embodiment, referring to fig. 5, the adjustable landing-free suspension bracket structure 15 includes a landing-free suspension mounting bracket 151, a suspension ring 152, an adjusting rod 153, a supporting sleeve 154, an adjusting bolt 155, a retaining ring 156 and a mounting lining plate 157, wherein the suspension ring 152 is screwed to both left and right ends of the upper rear side of the landing-free suspension mounting bracket 151; the left side and the right side of the lower part of the landing-free hanging mounting frame 151 are longitudinally and threadedly connected with adjusting rods 153; the adjusting rod 153 is longitudinally inserted into the supporting sleeve 154 and is fastened and connected by an adjusting bolt 155; a retainer ring 156 is sleeved in an annular groove formed in the outer wall of the lower end of the adjusting rod 153; the installation lining plate 157 is transversely welded on the lower side of the front portion of the supporting sleeve 154, the floor-free suspension installation frame 151 can be used for suspension installation work through the suspension ring 152, the moving position of the adjusting rod 153 inside the supporting sleeve 154 can be adjusted by loosening the adjusting bolt 155, and after the installation position is determined, the adjusting bolt 155 is locked, so that the installation fixing effect is guaranteed.

In this embodiment, specifically, the U-shaped lining seat 124 is bolted to the middle portion of the lower left side of the intelligent control cabinet 1.

In this embodiment, specifically, the horizontal right end of the supporting wheel carrier 127 is bolted to the middle part of the left side of the intelligent control cabinet 1.

In this embodiment, specifically, the winding wheel 125 and the wheel shaft 126 are connected by a key, and the wheel shaft 126 and the supporting wheel frame 127 are connected by a bearing.

In this embodiment, specifically, the upper end of the maintenance recording plate 136 is bolted to the lower end of the movable rod 132.

In this embodiment, it is concrete, the horizontal right-hand member bolted connection of connecting rod 135 in the upper left side middle part of the intelligent control cabinet body 1, maintenance record board 136 adopt white PVC plastic slab of can writing, reflection of light strip 137 adopt two alternate phosphor strips of yellow and white.

In this embodiment, specifically, the lateral bolt of the air box 141 is connected to the inlet of the upper end of the intelligent control cabinet 1, and a stainless steel filter screen is arranged at the joint of the air box 141 and the intelligent control cabinet 1.

In this embodiment, specifically, the landing-free suspension mounting frame 151 is a rectangular aluminum alloy frame.

In this embodiment, specifically, the mounting lining plates 157 are all bolted to the left and right ends of the upper side of the rear part of the intelligent control cabinet 1.

In this embodiment, the storage cord 121 is specifically a hemp cord or a nylon cord.

In this embodiment, specifically, the warning light bank 131 adopts an LED light bank, the insect-proof lamp tube 144 adopts a T8 type ultraviolet insect-killing light, the heat dissipation and cooling fan 145 adopts a 12V small-sized heat dissipation fan, the warning light bank 131, the insect-proof lamp tube 144 and the heat dissipation and cooling fan 145 can be controlled by a PLC11, and the PLC11 adopts an FX2N-48 type PLC.

Principle of operation

In the invention, the fastening screw 129 is loosened and taken down, the winding wheel 125 can be enabled to rotate in the supporting wheel frame 127 through the wheel shaft 126, the pull ring 122 can be pulled by the storage pull rope 121, the tool placing table 123 can rotate in the U-shaped liner 124 until the tool placing table is in a horizontal state, tools can be conveniently placed, the use and the operation are convenient, warning prompt can be carried out through the warning lamp bank 131 to avoid misoperation, the movable position of the movable rod 132 in the connecting pipe 133 can be adjusted through loosening the wing screw 134, after the positions of the warning lamp bank 131 and the maintenance recording plate 136 are determined, the wing screw 134 can be locked, the convenience of maintenance, record and maintenance is ensured, the safety is ensured, the heat dissipation and temperature reduction can be carried out through the heat dissipation and temperature reduction fan 145, mosquitoes entering the air bellow 141 can be trapped and killed through the insect prevention lamp tube 144, and the influence of mosquitoes on the inside of the intelligent control cabinet body, can play good miscellaneous effect of preventing through air inlet filter screen 146, guarantee the radiating effect, guarantee the heat dissipation cooling effect, can hang the installation work through exempting from to fall to the ground and hang mounting bracket 151 via hanging ring 152, through loosening adjusting bolt 155, can adjust the shift position of pole 153 in the inside of support sleeve 154, after confirming the mounted position, locking adjusting bolt 155 can, guarantee the fixed effect of installation, loosen adjusting screw 6 according to the installation components and parts demand, move the position of regulation U type slide 5 at 4 outer walls of sharp slide, after confirming the mounted position, can install components and parts at mounting panel 7 front portion, be convenient for carry out the fixed mounting operation.

The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention.

Claims

1. The intelligent control cabinet based on PLC control is characterized by comprising an intelligent control cabinet body (1), hinges (2), a cabinet door (3), a linear slide seat (4), a U-shaped slide seat (5), adjusting screws (6), a mounting plate (7), a mounting hole (8), a wire inlet pipe (9), a wire outlet pipe (10), a PLC (11), a retractable maintenance tool placing table structure (12), an adjustable warning recording plate structure (13), a detachable insect-proof cooling heat dissipation box structure (14) and an adjustable landing-free suspension frame structure (15), wherein the cabinet door (3) is mounted at the front part of the intelligent control cabinet body (1) through the hinges (2), and the cabinet door (3) is fastened at the front part of the intelligent control cabinet body (1); the middle parts of the left wall and the right wall in the intelligent control cabinet body (1) are longitudinally connected with linear sliding seats (4) through bolts; the outer wall of the linear sliding seat (4) is sequentially sleeved with a U-shaped sliding seat (5) in a sliding manner from top to bottom and is fixedly connected and arranged through an adjusting screw (6); the mounting plate (7) is transversely bolted at the middle part of the inner side between the U-shaped sliding seats (5); mounting holes (8) are sequentially formed in the mounting plate (7) from left to right; outlets at the left end and the right end of the bottom of the inner side of the intelligent control cabinet body (1) are in threaded connection with a wire inlet pipe (9) and a wire outlet pipe (10); the upper part of the rear wall of the inner side of the intelligent control cabinet body (1) is transversely screwed with a PLC (11); the retractable maintenance tool placing table structure (12), the adjustable warning recording plate structure (13), the detachable insect-proof cooling heat dissipation box structure (14) and the adjustable landing-free suspension bracket structure (15) are connected with the intelligent control cabinet body (1) through wires; the retractable maintenance tool placing table structure (12) comprises a retractable pull rope (121), a pull ring (122), a tool placing table (123), a U-shaped lining seat (124), a winding wheel (125), a wheel shaft (126), a supporting wheel frame (127), a rotating handle (128) and a fastening screw (129), wherein one end of the retractable pull rope (121) is tied inside the pull ring (122), and the other end of the retractable pull rope is wound on the outer surface of the winding wheel (125); the pull ring (122) is connected to the left upper side of the tool placing platform (123) through a screw; the right end of the tool placing table (123) is connected inside the U-shaped lining seat (124) in a shaft mode; the winding wheel (125) is arranged on the left side of the inside of the supporting wheel frame (127) through a wheel shaft (126); the front end screw of the wheel shaft (126) is connected with a rotating handle (128); the rotating handle (128) and the supporting wheel frame (127) are fixedly connected through a fastening screw (129).

2. The intelligent control cabinet based on PLC control of claim 1, characterized in that the adjustable warning recording plate structure (13) comprises a warning light row (131), a movable rod (132), a connecting pipe (133), a wing screw (134), a connecting rod (135), a maintenance recording plate (136) and a light reflecting strip (137), wherein the longitudinal lower end of the warning light row (131) is bolted to the upper end of the movable rod (132); the movable rod (132) is longitudinally inserted into the connecting pipe (133) and is fixedly connected and arranged through a wing-shaped screw (134); the connecting pipe (133) is longitudinally and threadedly connected to the left end of the connecting rod (135); the left side and the right side of the maintenance recording plate (136) are longitudinally stuck with reflective strips (137).

3. The intelligent control cabinet based on PLC control of claim 1, characterized in that the detachable insect-proof cooling heat dissipation box structure (14) comprises an air box (141), a cleaning box cover (142), a lamp holder (143), an insect-proof lamp tube (144), a heat dissipation cooling fan (145) and an air inlet filter screen (146), wherein the cleaning box cover (142) is in threaded connection with the outlet at the left end of the air box (141); the lamp holders (143) are all connected to the middle part of the right side of the cleaning box cover (142) and the middle part of the inner right wall of the air box (141) through screws; an insect-proof lamp tube (144) is inserted in the lamp holder (143); the inlets at the left side and the right side of the upper part of the air box (141) are connected with heat dissipation cooling fans (145) by screws; an air inlet filter screen (146) is connected to the inlet of the middle part of the upper part of the air box (141) through a transverse screw.

4. The intelligent control cabinet based on PLC control of claim 1, wherein the adjustable floor-free suspension frame structure (15) comprises a floor-free suspension mounting frame (151), a suspension ring (152), an adjusting rod (153), a supporting sleeve (154), an adjusting bolt (155), a retainer ring (156) and a mounting lining plate (157), wherein the suspension ring (152) is in screwed connection with the left end and the right end of the rear side of the upper part of the floor-free suspension mounting frame (151); the left side and the right side of the lower part of the landing-free suspension mounting rack (151) are longitudinally and threadedly connected with adjusting rods (153); the adjusting rod (153) is longitudinally inserted into the supporting sleeve (154) and is fastened and connected through an adjusting bolt (155); a retainer ring (156) is sleeved in an annular groove formed in the outer wall of the lower end of the adjusting rod (153); and a mounting lining plate (157) is transversely welded on the lower side of the front part of the support sleeve (154).

5. The intelligent control cabinet based on PLC control of claim 1, characterized in that the U-shaped lining seat (124) is bolted at the middle part of the lower left side of the intelligent control cabinet body (1).

6. The intelligent control cabinet based on PLC control of claim 1, characterized in that the right lateral end of the supporting wheel carrier (127) is bolted to the middle part of the left side of the intelligent control cabinet body (1).

7. The intelligent control cabinet based on PLC control of claim 1, characterized in that the winding wheel (125) is connected with the wheel shaft (126) through a key, and the wheel shaft (126) is connected with the supporting wheel frame (127) through a bearing.

8. The intelligent control cabinet based on PLC control of claim 2, characterized in that the upper longitudinal end of the maintenance recording plate (136) is bolted to the lower end of the movable rod (132).

9. The intelligent control cabinet based on PLC control of claim 2, characterized in that the horizontal right end of the connecting rod (135) is bolted at the middle part of the upper left side of the intelligent control cabinet body (1), the maintenance recording plate (136) is made of white writable PVC plastic plate, and the reflective strip (137) is made of two yellow-white fluorescent strips.

10. The intelligent control cabinet based on PLC control of claim 3, characterized in that the air box (141) is horizontally bolted at the inlet of the upper end of the intelligent control cabinet body (1), and a stainless steel screen is arranged at the joint of the air box (141) and the intelligent control cabinet body (1).