CN218301841U

CN218301841U - Explosion-proof and intrinsically safe control box for heading machine based on PLC redundancy design

Info

Publication number: CN218301841U
Application number: CN202222018431.3U
Authority: CN
Inventors: 富鑫; 李金朦; 甘露
Original assignee: Shenyang Guangjiao Complete Electric Co ltd
Current assignee: Shenyang Guangjiao Complete Electric Co ltd
Priority date: 2022-08-02
Filing date: 2022-08-02
Publication date: 2023-01-13
Anticipated expiration: 2032-08-02

Abstract

The utility model discloses a safe type control box of flame proof and essence for entry driving machine based on PLC redundant design, including adjustable base, adjustable base's top is connected with the mounting panel through being used for absorbing buffer spring telescopic link, the top of mounting panel is connected with the box, be provided with cooling mechanism in the box, cooling mechanism's end connection has the hollow loading board that is used for bearing, be connected with the explosion-proof board between the inner wall of hollow loading board and box. This safe type control box of flame proof and essence for entry driving machine based on PLC redundant design is through mutually supporting of parts such as cooling mechanism for when the device can effectually cool down the heat dissipation to two cavities simultaneously, promoted the life of equipment, in avoiding moist and having the air admission device of great granule impurity, thereby lead to the fact the influence to equipment, strengthened the practicality of device.

Description

Explosion-proof and intrinsically safe control box for heading machine based on PLC redundancy design

Technical Field

The utility model relates to a control box technical field for the entry driving machine specifically is based on PLC redundant design's flame proof and safe type control box of essence for the entry driving machine.

Background

The development of the rapid development of urban construction, more and more public pipelines such as city sewers, gas pipelines, power cables, communication cable pipelines and the like need to frequently pass through roads, rivers and other sections, in the operation process of the development machine, an explosion-proof and intrinsically safe control box is used, the explosion-proof and intrinsically safe PLC control box is mainly used for a plurality of automatic control devices such as underground coal mine drainage automatic control and belt transportation automatic control, and a PLC is used as a core device, so that the development machine has stronger applicability, expandability, high reliability and strong communication capability. The logic control mode can be realized by the programming of software, so that the complex control logic becomes simple and easy to implement. Reliable isolation measures and intrinsic safety power supplies are arranged between input and output signals in the control box, so that connection and matching between the control box and various sensors, actuators and various equipment electric control loops are more flexible and universal.

However, the existing control box is used for heat dissipation through the fan combined heat dissipation holes, so that external dust and moisture easily enter the interior, the interior is affected, the buffer effect cannot be achieved in the moving and transferring process, the influences such as jolt are easily received, the existing device cannot adjust the length of the foot bar according to the different heights of the installed environment road, and the foot bar is inconvenient to place.

Aiming at the problems, innovative design is urgently needed on the basis of the original explosion-proof and intrinsically safe control box.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flame proof and safe type control box of essence for entry driving machine based on PLC redundant design to provide in solving above-mentioned background art and cause outside dust and moisture to enter into inside easily, cause the influence to inside, and in removing the transfer process, can not play the buffering effect, receive influences such as jolt easily, the device that has now in addition can not be according to the environment road height difference of installation, the problem of adjusting the length of pin.

In order to achieve the above object, the utility model provides a following technical scheme: the flame-proof and intrinsic safety type control box for the heading machine based on PLC redundancy design comprises an adjustable base, wherein the top of the adjustable base is connected with a mounting plate through a telescopic rod of a buffer spring for damping, the top of the mounting plate is connected with a box body, a cooling mechanism is arranged in the box body, the end part of the cooling mechanism is connected with a hollow bearing plate for bearing, a flame-proof plate is connected between the inner wall of the hollow bearing plate and the inner wall of the box body, two exhaust ports for air outlet are respectively arranged on two sides of the box body, each exhaust port is internally connected with a filter screen plate through a clamping structure, a circuit connecting plate for connecting cables is installed on two sides of the outer wall of the box body, and the top of the box body is connected with a top plate.

Preferably, adjustable base includes bottom plate, sleeve and screw thread support foot pole, the bottom of bottom plate is rotated and is connected with four at least sleeves that are used for supporting, telescopic inside threaded connection has screw thread support foot pole.

Preferably, the cooling mechanism includes fan, stoving storehouse, defeated tuber pipe and coolant liquid pipe, the inner wall bottom of box is provided with the stoving storehouse of installing dry air moisture, the one end in stoving storehouse is connected with the fan of installing in mounting panel top one side, the other end in stoving storehouse is connected with defeated tuber pipe, defeated tuber pipe's end connection is in hollow loading board, the nested cladding of outer wall of defeated tuber pipe has and is used for refrigerated coolant liquid pipe, the end connection of coolant liquid pipe is in the external equipment of mounting panel top opposite side.

Preferably, the air delivery pipe is arranged in a zigzag manner, and at least six groups of air outlet meshes are distributed on the top of the hollow bearing plate at equal intervals.

Preferably, the clamping structure comprises clamping grooves and clamping blocks, the clamping grooves are formed in the upper side and the lower side of the inner wall of each exhaust port, and the clamping blocks used for being connected with the filter screen plate are connected to the inner portions of the clamping grooves in a clamping and sliding mode.

Preferably, the clamping grooves are arranged to be of an L-shaped structure and are symmetrically distributed on the inner wall of the exhaust port, and the inner wall of the exhaust port and the side edge of the filter screen plate are mutually attached

Compared with the prior art, the beneficial effects of the utility model are that: this for entry driving machine flame proof and essential safety type control box based on PLC redundant design, through adjustable base, the mounting panel, mutually supporting of parts such as box and cooling mechanism, make the device can be according to the difference in height of workspace, it is rotatory to rotate the sleeve near lower region, threaded connection through sleeve and screw thread support foot rod, make screw thread support foot rod remove from the sleeve in and support, the uneven region of adaptation is placed, in addition can be quick carry out quick dismantlement and installation to the filter screen board of separation impurity, thereby be convenient for clear up.

Through mutually supporting of parts such as cooling mechanism for when the device can effectually cool down the heat dissipation to two cavities simultaneously, promoted the life of equipment, in avoiding moist and having the air admission device of great granule impurity, thereby cause the influence to equipment, strengthened the practicality of device.

Drawings

Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a side view, sectional and schematic structural view of the slot of the present invention;

fig. 4 is a schematic view of the top view structure of the slot of the present invention.

In the figure: 1. an adjustable base; 101. a base plate; 102. a sleeve; 103. a threaded support leg; 2. a buffer spring telescopic rod; 3. mounting a plate; 4. a box body; 5. a cooling mechanism; 501. a fan; 502. a drying bin; 503. a wind delivery pipe; 504. a coolant tube; 6. a hollow bearing plate; 7. an explosion-proof plate; 8. an exhaust port; 9. a snap-fit structure; 901. a card slot; 902. a clamping block; 10. a filter screen plate; 11. connecting the lines; 12. a top plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the explosion-proof and intrinsically safe control box for the heading machine based on PLC redundancy design comprises an adjustable base 1, a bottom plate 101, a sleeve 102, a threaded supporting foot rod 103, a buffer spring telescopic rod 2, a mounting plate 3, a box 4, a cooling mechanism 5, a fan 501, a drying bin 502, a wind conveying pipe 503, a cooling liquid pipe 504, a hollow bearing plate 6, an explosion-proof plate 7, an exhaust port 8, a clamping structure 9, a clamping groove 901, a clamping block 902, a filter screen plate 10, a circuit connecting plate 11 and a top plate 12, the top of the adjustable base 1 is connected with the mounting plate 3 through the buffer spring telescopic rod 2 for damping, the top of the mounting plate 3 is connected with the box 4, the cooling mechanism 5 is arranged in the box 4, the end of the cooling mechanism 5 is connected with the hollow bearing plate 6, the explosion-proof plate 7 is connected between the inner walls of the hollow bearing plate 6 and the box 4, two exhaust ports 8 for air outlet are respectively arranged on two sides of the box 4, the inside of each exhaust port 8 is connected with the filter screen plate 10 through the clamping structure 9, the cable connecting plate 11 is arranged on two sides of the outer wall of the box 4, and the top of the box 4 is connected with the top plate 12.

Adjustable base 1 includes bottom plate 101, sleeve 102 and screw thread support foot pole 103, and the bottom of bottom plate 101 is rotated and is connected with four at least sleeves 102 that are used for supporting, and the inside threaded connection of sleeve 102 has screw thread support foot pole 103 for adjustable base 1 can adjust according to the road surface unevenness of placing, is convenient for place.

Cooling mechanism 5 includes fan 501, stoving storehouse 502, defeated tuber pipe 503 and coolant pipe 504, the inner wall bottom of box 4 is provided with the stoving storehouse 502 of installing the dry air moisture, the one end of stoving storehouse 502 is connected with the fan 501 of installing in mounting panel 3 top one side, the other end of stoving storehouse 502 is connected with defeated tuber pipe 503, defeated tuber pipe 503's end connection is in hollow loading board 6, the nested cladding of outer wall of defeated tuber pipe 503 has and is used for refrigerated coolant pipe 504, the end connection of coolant pipe 504 is in the external device of mounting panel 3 top opposite side, make cooling mechanism 5 can cool down the radiating while to two cavities simultaneously effectively, avoid dust and humid air in the air to enter into the device, cause the influence to equipment.

Defeated tuber pipe 503 is the zigzag setting, and the equidistant distribution in top of hollow loading board 6 has six at least groups of air outlet holes for the distance that air after the heating removed in defeated tuber pipe 503 is longer, is convenient for cool down.

The clamping structure 9 comprises a clamping groove 901 and clamping blocks 902, the clamping groove 901 is formed in the upper side and the lower side of the inner wall of each exhaust port 8, the clamping blocks 902 used for connecting the filter screen plate 10 are connected to the clamping structure 901 in a sliding mode, the clamping structure 9 can clamp and fix the filter screen plate 10, and the installation efficiency is improved.

The clamping groove 901 is of an L-shaped structure, the clamping grooves 901 are symmetrically distributed on the inner wall of the exhaust port 8, the inner wall of the exhaust port 8 and the side edge of the filter screen plate 10 are attached to each other, so that the clamping block 902 can move in the clamping groove 901, and the clamping groove 901 is used for limiting the movement.

The working principle is as follows: according to the figure 1, firstly, the device is placed in a working area through parts such as a bottom plate 101, the sleeve 102 near a lower rotating area rotates according to different heights of the working area, the sleeve 102 is connected with the threaded support foot rod 103 through threads, so that the threaded support foot rod 103 is moved out of the sleeve 102 to achieve adjustment, the device is suitable for placing in various uneven areas, the buffer protection is carried out through the arrangement of the buffer spring telescopic rod 2, the influence of vibration transmission on the device is reduced, the circuit board 11 is used for connecting circuits or devices, heat is generated along with the operation of the devices in the device, when heat dissipation is needed, the fan 501 is started to suck external air into the drying bin 502, foreign particles in the air are blocked and filtered through the screen board near the fan 501, the device is prevented from being influenced, then the air is heated in the drying bin 502, the heated and dried air is conveyed through the air conveying pipe 503, the heated and dried air is conveyed through the air outlet pipe 503 due to the bent arrangement of the air conveying pipe 503, the heated air is conveyed to a longer distance 503, the heated air is more convenient for cooling, and the air is conveyed to a temperature reduction chamber 6, and is carried out of the hollow air carrying device, and is carried out of a temperature reduction chamber 8;

when the filter screen plate 10 needs to be replaced or cleaned, the filter screen plate 10 is rotated to drive the fixture block 902 to move to a vertical groove region from a transverse groove region in the clamping groove 901, then the fixture block 902 is pulled towards a direction away from the box body 4, so that the filter screen plate 10 is moved out of the exhaust port 8, and meanwhile, the fixture block 902 is driven to be separated from the clamping groove 901, so that the cleaning or the replacement of the fixture block is facilitated, and the fixture block is mounted on the contrary after the cleaning is finished, namely the working principle of the flameproof and intrinsically safe control box for the tunneling machine based on the PLC redundancy design.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Explosion-proof and intrinsically safe control box for heading machine based on PLC redundancy design, including adjustable base (1), its characterized in that: the top of adjustable base (1) is connected with mounting panel (3) through being used for absorbing buffer spring telescopic link (2), the top of mounting panel (3) is connected with box (4), be provided with cooling mechanism (5) in box (4), the end connection of cooling mechanism (5) has hollow loading board (6) that are used for bearing, be connected with explosion-proof board (7) between the inner wall of hollow loading board (6) and box (4), the both sides of box (4) are provided with two gas vents (8) that are used for the air-out respectively, every the inside of gas vent (8) all is connected with filter plate (10) through block structure (9), circuit fishplate bar (11) that are used for connecting the cable are installed to the outer wall both sides of box (4), the top of box (4) is connected with roof (12).

2. The PLC redundancy design-based flameproof and intrinsically safe control box for the heading machine according to claim 1, which is characterized in that: the adjustable base (1) comprises a bottom plate (101), a sleeve (102) and a threaded support foot rod (103), wherein the bottom of the bottom plate (101) is rotatably connected with at least four sleeves (102) used for supporting, and the threaded support foot rod (103) is connected with the inner threads of the sleeve (102).

3. The PLC redundancy design-based flameproof and intrinsically safe control box for the heading machine according to claim 1, which is characterized in that: cooling mechanism (5) are including fan (501), stoving storehouse (502), defeated tuber pipe (503) and coolant liquid pipe (504), the inner wall bottom of box (4) is provided with stoving storehouse (502) of installing dry air moisture, the one end of stoving storehouse (502) is connected with fan (501) of installing in mounting panel (3) top one side, the other end of stoving storehouse (502) is connected with defeated tuber pipe (503), the end connection of defeated tuber pipe (503) is in hollow loading board (6), the nested cladding of outer wall of defeated tuber pipe (503) has and is used for refrigerated coolant liquid pipe (504), the end connection of coolant liquid pipe (504) is in the external equipment of mounting panel (3) top opposite side.

4. The PLC redundancy design-based flameproof and intrinsically safe control box for the heading machine according to claim 3, which is characterized in that: the air delivery pipe (503) is arranged in a zigzag manner, and at least six groups of air outlet meshes are distributed on the top of the hollow bearing plate (6) at equal intervals.

5. The PLC redundancy design-based flameproof and intrinsically safe control box for the heading machine according to claim 1, which is characterized in that: the clamping structure (9) comprises clamping grooves (901) and clamping blocks (902), the clamping grooves (901) are formed in the upper side and the lower side of the inner wall of each exhaust port (8), and the clamping blocks (902) used for being connected with the filter screen plate (10) are clamped in the clamping grooves (901) in a sliding mode.

6. The PLC redundancy design-based flameproof and intrinsically safe control box for the heading machine according to claim 5, which is characterized in that: the clamping grooves (901) are arranged to be L-shaped structures, the clamping grooves (901) are symmetrically distributed on the inner wall of the exhaust port (8), and the inner wall of the exhaust port (8) is attached to the side of the filter screen plate (10).