CN114940128A - Explosion-proof control box and explosion-proof forklift - Google Patents

Abstract

The invention provides an explosion-proof control box and an explosion-proof forklift, which belong to the technical field of explosion-proof forklifts and comprise an explosion-proof shell, wherein the explosion-proof shell comprises a first mounting surface, a second mounting surface and a third mounting surface, the first mounting surface and the second mounting surface are adjacently arranged, the third mounting surface is arranged opposite to the first mounting surface, a direction switch assembly is mounted on the first mounting surface, a load switch assembly is mounted on the second mounting surface, the third mounting surface is connected with a plurality of cable leading-in assemblies, the third mounting surface is assembled with the forklift and is connected with a forklift control system through the cable leading-in assemblies, and the direction switch assembly and the load switch assembly are arranged towards a cab. According to the explosion-proof control box, the switch assemblies are integrated and arranged in the explosion-proof shell, so that the whole operation and control switch action is positioned in the explosion-proof control box, the action stability of each switch assembly is ensured, and the integral explosion-proof performance of the explosion-proof control box is greatly improved.

Description

Explosion-proof control box and explosion-proof forklift

Technical Field

The invention belongs to the technical field of explosion-proof forklifts, and particularly relates to an explosion-proof control box and an explosion-proof forklift.

Background

Along with the development of the logistics industry, the application of the forklift is more and more common, the forklift can realize various actions such as vehicle walking, turning, gantry lifting, forward moving, inclining, side moving and the like through the organic combination of hydraulic pressure, electricity and machinery, and the safety and the high efficiency of goods loading and unloading are ensured. But many direct mount of current fork truck's switch module are in fork truck's the control room, and each switch module independent setting is unfavorable for driver's accurate control on the one hand, and on the other hand also leads to the whole explosion-proof grade of fork truck low for fork truck's application has received very big restriction, is unfavorable for fork truck's under the special environment use widely, consequently, urgently need an explosion-proof control box and explosion-proof fork truck that explosion-proof grade is high and operate accurately.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides an explosion-proof control box and an explosion-proof forklift which are high in explosion-proof level and accurate in reversing operation.

The purpose of the invention can be realized by the following technical scheme: the utility model provides an explosion-proof control box installs on fork truck, includes: explosion-proof casing, explosion-proof casing include the first installation face and the second installation face of adjacent setting, and with the relative third installation face that sets up of first installation face, install the direction switch subassembly on the first installation face, install the load switch subassembly on the second installation face, just be connected with a plurality of cables on the third installation face and introduce the subassembly, wherein, the third installation face with fork truck assembles mutually, and passes through the cable is introduced the subassembly and is connected with fork truck control system, the direction switch subassembly with the load switch subassembly all sets up towards the driver's cabin direction.

In foretell explosion-proof control box, the direction switch subassembly includes direction switch structure and switching-over lamp switch structure, the direction switch structure with be provided with the instrument box between the switching-over lamp switch structure, wherein, direction switch structure, switching-over lamp switch structure and instrument box with the junction of explosion-proof casing all is provided with the flame proof face.

In foretell explosion-proof control box, the load switch subassembly includes light switch structure and loudspeaker switch structure, light switch structure with loudspeaker switch structure all is perpendicular to the second installation face sets up, wherein, light switch structure with loudspeaker switch structure with the junction of explosion-proof casing all is provided with the flame proof face.

In foretell explosion-proof control box, the direction switch structure includes first main shaft assembly, first main shaft assembly is including being located the inside first end of explosion-proof control box, be connected with at least one direction switch on first main shaft assembly's the first end, just it is equipped with first spacing subassembly to inlay on the first main shaft assembly, wherein, be provided with two spacing portions on the first spacing subassembly relatively, one of them spacing portion is provided with a plurality ofly, through first main shaft assembly drives two spacing portions and progressively joints, controls direction switch is opened step by step to the first end.

In foretell explosion-proof control box, spacing portion includes follows first spacing portion and the spacing portion of second that first main shaft assembly axial distributes, wherein, first spacing portion department is provided with floating structure, the spacing portion of second include with the connecting portion of floating structure looks adaptation, through floating structure with the joint cooperation control of connecting portion direction switch is opened step by step to first end.

In foretell explosion-proof control box, the spacing portion of second is provided with a plurality ofly, first spacing portion is provided with one at least, through first spacing portion with the spacing portion of second joint control step by step the opening step by step of direction switch.

In an explosion-proof control box of the aforesaid, light switch structure includes installation casing and second main shaft assembly, be equipped with the confession in the installation casing the cavity of second main shaft assembly motion, the one end of second main shaft assembly set up in the explosion-proof control box and be connected with the light switch, wherein, the projection of second main shaft assembly in the horizontal direction with there is overlap area in the projection of light switch in the horizontal direction, be provided with in the overlap area and be located the third tip of second main shaft assembly with adjustable connect in the fourth tip on the third tip, the fourth tip set up in the one end of light switch just follows the stroke direction of motion of light switch moves, through the third tip with the adjustable connection control of fourth tip the motion stroke of light switch.

In the above explosion-proof control box, an adjusting structure is connected to the fourth end portion near the third end portion, wherein the third end portion is nested on the fourth end portion, and the relative distance between the third end portion and the fourth end portion is controlled by the adjusting structure.

In an explosion-proof control box of the aforesaid, third end department is provided with first joint structure, fourth end department be provided with the second joint structure that first joint structure is connected, be equipped with the confession in the first joint structure the joint groove of second joint structure joint, wherein, the joint groove is the setting of semi-open type, second joint structure is followed the joint groove with first joint structure is connected and is passed through adjust structure automatic locking.

The invention also provides an explosion-proof forklift, comprising: the explosion-proof control box is arranged on the explosion-proof forklift, the third mounting surface is connected with the forklift, and the cable leading-in assembly is electrically connected with a control system in the forklift.

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

1. according to the explosion-proof control box provided by the invention, the switch assemblies are integrally arranged in the explosion-proof shell, so that the whole operation and control switch action is positioned in the explosion-proof control box, the action stability of each switch assembly is ensured, and the integral explosion-proof performance of the explosion-proof control box is greatly improved. Meanwhile, the direction switch assembly and the load switch assembly are respectively arranged on the two adjacent mounting surfaces, so that the switch assemblies of the whole explosion-proof control box are reasonably and uniformly distributed, the switch assemblies are not interfered with each other, the structure is compact, a driver can easily operate the switch assemblies in the driving process, and the operation is smooth and convenient. Whole explosion-proof control box structure sets up rationally, and inside each switch module distributes evenly, and humanized design has promoted explosion-proof performance and driving comfort greatly.

2. The explosion-proof surfaces are arranged at the joints of the switch structures and the explosion-proof shell, the explosion-proof control box is integrally connected tightly due to the arrangement of the explosion-proof surfaces, the explosion-proof performance is good, the safety performance is high, the explosion-proof control box is applicable to various use environments, and the practicability is high.

3. Set up to a plurality ofly through one spacing portion with among the direction switch structure for can carry out gradually joint when two spacing portion relative motions, and then control first end and open direction switch step by step, realize the switching-over operation step by step through mechanical structure, the action is stable high-efficient, very big promotion whole direction switch's job stabilization nature and explosion-proof properties.

4. Through set up first floating structure in first spacing department, set up connecting portion in the spacing department of second, and open step by step of joint cooperation control direction switch through first floating structure and connecting portion, first floating structure sets up in first spacing department, first spacing portion can the oscilaltion motion under the effect of first floating structure, drive the gradual joint motion of first spacing portion and the spacing portion of second promptly, and the motion is steady accurate, the locking influences opening of direction switch when avoiding because of two spacing relative motion.

5. Each direction switch is opened or closed through the rotation of first main shaft assembly to relative motion through globular first convex part and third recess realizes the directional shift, when guaranteeing that direction switch normally opens and closes, can also realize the fixed point location and shift gears, and accurate control switching-over keeps off the position, avoids causing the switching-over failure because of rotating excessively or not in place, has promoted whole explosion-proof direction switch's control accuracy nature and job stabilization nature greatly.

6. Through the structural second main shaft assembly and the light switch that set up adjustable connection at light switch, before the assembly, adjust the relative position of fourth tip and third tip in advance, and then the relative position of control switch axle and internal contact, adjust the motion stroke of light switch promptly, guarantee the accurate reliable of motion of light switch, the high efficiency of work is stable, applicable various types of light switch, extensive applicability.

7. The relative position of structure and fourth tip is adjusted through the adjustment of regulation portion, and then the relative position of adjustment third tip and fourth tip, and can fix the relative position of fourth tip and light switch internal contact after locking its relative position through the sticking department, the relative position of last switch shaft of light switch and internal contact has been adjusted promptly, the accuracy of switch shaft and internal contact relative position has been guaranteed, the accurate reliability of light switch motion process has been guaranteed promptly, make the light switch can open different switches according to the user's demand under the pulling force effect of second main shaft assembly.

Drawings

Fig. 1 is a schematic overall structure diagram of a first embodiment of the present invention.

Fig. 2 is a partial cross-sectional view of a first embodiment of the present invention.

Fig. 3 is another partial cross-sectional view of the first embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a direction switch according to a first embodiment of the present invention.

Fig. 5 is a schematic cross-sectional view of a directional switch structure according to a first embodiment of the invention.

Fig. 6 is a partially enlarged schematic view a of the first embodiment of the present invention.

Fig. 7 is a schematic structural view of the first main shaft and the second limiting portion according to the first embodiment of the invention.

Fig. 8 is a schematic structural diagram of a lighting lamp switch according to a first embodiment of the present invention.

Fig. 9 is a schematic cross-sectional view of a lighting lamp switch according to a first embodiment of the invention.

Fig. 10 is a partially enlarged schematic view B of the first embodiment of the present invention.

Fig. 11 is a schematic structural diagram of a second spindle assembly according to a first embodiment of the invention.

Fig. 12 is a schematic diagram of an adjustment structure according to a first embodiment of the present invention.

Fig. 13 is a partially enlarged schematic view C of the first embodiment of the present invention.

Fig. 14 is a schematic structural view of an end cap according to a first embodiment of the invention.

Fig. 15 is an internal schematic view of a lighting lamp switch according to a first embodiment of the present invention.

Fig. 16 is a schematic overall structure diagram of the second embodiment of the present invention.

In the figure, 100, an explosion-proof control box; 200. an explosion-proof housing; 210. a first mounting surface; 220. a second mounting surface; 230. a third mounting surface; 300. a direction switch structure; 310. a first spindle assembly; 311. a first end portion; 312. a first main shaft; 313. shifting blocks; 314. a second end portion; 315. a handle; 320. a direction switch; 330. a first limiting component; 331. a first limiting part; 332. a second limiting part; 333. a connecting portion; 334. a second groove; 335. a third groove; 336. a first floating structure; 336a, a first groove; 336b, a first convex part; 336c, a first elastic member; 337. a stopper; 400. a reversing light switch arrangement; 410. an instrument case; 500. a light switch structure; 510. installing a shell; 511. a cavity; 520. a second spindle assembly; 521. a first clamping structure; 522. a clamping groove; 522a, a first clamping groove; 522b, a second clamping groove; 523. a second main shaft; 524. a guide sleeve; 525. a seal ring; 526. an end cap; 527. mounting grooves; 528. mounting holes; 529. a switch handle; 530. a second limiting component; 531. a third limiting part; 532. a fourth limiting part; 533. a fourth groove; 534. a second convex portion; 535. a second elastic member; 540. an illuminating lamp switch; 541. a second clamping structure; 542. an adjustment structure; 542a, an adjusting section; 542b, a locking portion; 542c, a through hole; 543. a switch shaft; 544. a connecting nut; 545. an internal contact; 600. a horn switch structure; 700. a cable entry assembly; 800. an explosion-proof surface; 810. a first explosion-proof surface; 820. a second flameproof surface; 830. a third explosion-proof surface; 840. a fourth flameproof surface; 850. a fifth flameproof surface; 860. a sixth explosion-proof surface; 870. a seventh flameproof surface; 880. an eighth flameproof surface; 900. a forklift is provided.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.

It should be noted that all directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

Example one

As shown in fig. 1 to 16, the present invention provides an explosion-proof control box 100 mounted on a forklift 900, including: the explosion-proof housing 200 comprises a first mounting surface 210 and a second mounting surface 220 which are adjacently arranged, and a third mounting surface 230 which is opposite to the first mounting surface 210, wherein a direction switch 320 assembly is mounted on the first mounting surface 210, a load switch assembly is mounted on the second mounting surface 220, a plurality of cable leading-in assemblies 700 are connected to the third mounting surface 230, the third mounting surface 230 is assembled with the forklift 900 and is connected with a forklift 900 control system through the cable leading-in assemblies 700, and the direction switch 320 assembly and the load switch assembly are arranged towards the direction of a cab.

In this embodiment, explosion-proof control box 100 is provided with explosion-proof housing 200 to be provided with a plurality of switch components on explosion-proof housing 200, including direction switch 320 subassembly and load switch subassembly, still be connected with cable introduction subassembly 700 simultaneously, through setting up a plurality of switch component integrations in explosion-proof housing 200, make whole control switch action all be located explosion-proof control box 100, not only guaranteed the stability of each switch component action, still promoted explosion-proof control box 100's whole explosion-proof performance greatly. Meanwhile, the direction switch 320 assembly and the load switch assembly are respectively arranged on two adjacent installation surfaces, so that the switch assemblies of the whole explosion-proof control box 100 are reasonably and uniformly distributed, concretely, the first installation surface 210 is the top surface of the explosion-proof control box 100, the second installation surface 220 is the front surface of the explosion-proof control box 100, the direction switch 320 assembly needs to be pushed and reversed more often, the direction switch is arranged on the top surface, the driver can conveniently axially rotate the direction switch, the reversing is controlled, the load switch assembly is arranged into a push-pull type or push type switch more often, the push-pull pressing by the driver is convenient when the direction switch assembly is arranged on the front surface, the switch is not required to be searched difficultly, the operation is simple and quick, the switch assemblies are not interfered with each other, the distribution is reasonable, and the structure is compact. In addition, the explosion-proof housing 200 is mounted on the forklift 900 through the third mounting surface 230, and the direction switch 320 and the load switch are arranged toward the cab, so that a driver can easily operate the switch assemblies in the driving process, and the operation is smooth and convenient. The whole explosion-proof control box 100 is reasonable in structure arrangement, all switch assemblies inside the explosion-proof control box are evenly distributed, and the explosion-proof performance and the driving comfort are greatly improved due to humanized design.

Preferably, as shown in fig. 1 to 16, the direction switch 320 assembly includes a direction switch 320 structure 300 and a reversing light switch structure 400, an instrument box 410 is arranged between the direction switch 320 structure 300 and the reversing light switch structure 400, wherein the direction switch 320 structure 300, the reversing light switch structure 400, and the junction of the instrument box 410 and the explosion-proof housing 200 are all provided with an explosion-proof surface 800.

Further preferably, the load switch assembly comprises a lighting lamp switch 540 structure 500 and a horn switch structure 600, the lighting lamp switch 540 structure 500 and the horn switch structure 600 are both perpendicular to the second mounting surface 220, wherein the connection between the lighting lamp switch 540 structure 500 and the horn switch structure 600 and the explosion-proof housing 200 is provided with an explosion-proof surface 800.

In this embodiment, the direction switch 320 structure 300 and the reversing light switch structure 400 are mounted on the first mounting surface 210, and the instrument box 410 is disposed therebetween, the direction switch 320 structure 300 is used for controlling the reversing of the forklift 900, such as forward and backward, the reversing light switch structure 400 is used for controlling the reversing lights to be changed, such as left and right steering lights, the direction switch 320 structure 300 and the reversing light switch structure 400 are arranged in the same manner, and are controlled to be reversed by axial rotation, and the instrument box 410 is disposed between the two reversing structures, so that a driver can conveniently observe the current driving state and the reversing state, and the driving operation is prevented from being influenced by a wrong reversing. Install light switch 540 structure 500 and loudspeaker switch structure 600 on the second installation face 220, light switch 540 is used for controlling opening and changing of vehicle illumination light, like passing lamp and far-reaching headlamp, light switch 540 belongs to pull formula switch, the loudspeaker switch belongs to the push type switch, all install on second installation face 220, second installation face 220 is towards driver's direction, the driver can control light switch 540 and loudspeaker switch simultaneously when driving, easy operation is quick, and do not influence the driving operation, humanized design, it is comfortable to drive experience. Meanwhile, the joint of each switch structure and the explosion-proof shell 200 is provided with an explosion-proof surface 800, the explosion-proof control box 100 is integrally connected tightly due to the arrangement of the explosion-proof surfaces 800, the explosion-proof performance is good, the safety performance is high, the explosion-proof control box is suitable for various use environments, and the practicability is high.

Preferably, as shown in fig. 4 to 7, the direction switch 320 structure 300 includes a first main shaft 312 component 310, the first main shaft 312 component 310 includes a first end 311 located inside the explosion-proof control box 100, the first end 311 of the first main shaft 312 component 310 is connected with at least one direction switch 320, and a first limit component 330 is embedded on the first main shaft 312 component 310, wherein two limit parts are oppositely arranged on the first limit component 330, one of the limit parts is provided with a plurality of limit parts, the first main shaft 312 component 310 drives the two limit parts to be gradually clamped, and the first end 311 is controlled to gradually open the direction switch 320.

In this embodiment, through setting up direction switch 320 inside explosion-proof control box 100, and the relative motion through two spacing portions is controlled step by step and is located the inside first end 311 of explosion-proof control box 100 and open different direction switch 320, and then the advancing direction of control vehicle, make whole on-off control action all set up inside explosion-proof control box 100, and simultaneously, still set up one of them spacing portion into a plurality ofly, make can carry out step by step joint when two spacing relative motion of portion, and then control first end 311 opens direction switch 320 step by step, realize the switching-over operation step by step through mechanical structure, the action is stable high-efficient, very big promotion whole direction switch 320's job stabilization nature and explosion-proof performance.

Preferably, as shown in fig. 4 to 7, the limiting portion includes a first limiting portion 331 and a second limiting portion 332 that are axially distributed along the first spindle 312 component 310, wherein a first floating structure 336 is disposed at the first limiting portion 331, the second limiting portion 332 includes a connecting portion 333 adapted to the first floating structure 336, and the first end portion 311 is controlled to open the directional switch 320 step by the snap-fit of the first floating structure 336 and the connecting portion 333.

In this embodiment, by arranging the first floating structure 336 at the first limit portion 331, the connecting portion 333 is arranged at the second limit portion 332, and the direction switch 320 is controlled to be opened step by the clamping of the first floating structure 336 and the connecting portion 333, the first floating structure 336 is arranged at the first limit portion 331, the first limit portion 331 can float up and down under the action of the first floating structure 336, namely, the first limit portion 331 and the second limit portion 332 are driven to move in a stepwise clamping manner, the movement is stable and accurate, and the influence on the opening of the direction switch 320 due to the locking of the two limit portions during relative movement is avoided.

Preferably, as shown in fig. 4 to 7, the second limiting portion 332 is provided with a plurality of second limiting portions, the first limiting portion 331 is provided with at least one second limiting portion, and the direction switch 320 is controlled to be opened step by the step-by-step engagement of the first limiting portion 331 and the second limiting portion 332.

In this embodiment, when the spacing portion 332 of second sets up to a plurality of, connecting portion 333 is provided with a plurality ofly promptly, first spacing portion 331 can set up to one or more, when first main shaft 312 subassembly 310 carries out rotary motion, first spacing portion 331 carries out relative rotary motion with the spacing portion 332 of second, first floating structure 336 progressively carries out the joint with first spacing portion 331, realize joint motion step by step, and then control the motion step by step of first main shaft 312 subassembly 310, drive direction switch 320 and open step by step, the operation is accurate, job stabilization is high-efficient.

Preferably, as shown in fig. 4 to 7, a first groove 336a for installing the first floating structure 336 therein is disposed at the first position-limiting portion 331, wherein the first floating structure 336 includes a first protrusion 336b clamped with the connecting portion 333 and a first elastic member 336c installed in the first groove 336a, and two ends of the first elastic member 336c are respectively abutted against the first protrusion 336b and the first groove 336 a.

Further preferably, the first protrusion 336b is provided in a spherical structure, and the connecting portion 333 is provided to fit with the spherical structure.

In this embodiment, the first position-limiting portion 331 is provided with a first groove 336a, the first floating structure 336 is internally provided in the first groove 336a, the first floating structure 336 includes a first protrusion 336b and a first elastic member 336c abutting against the first protrusion 336b, the second position-limiting portion 332 is concavely provided with a connecting portion 333 adapted to the first protrusion 336b, preferably, the connecting portion 333 is a concave portion, and the first end portion 311 is controlled to open different direction switches 320 step by step through relative sliding movement of the first protrusion 336b on the connecting portion 333, so as to implement the step-by-step reversing operation. Specifically, the second limiting portion 332 is fixedly connected with the first spindle 312 component 310, and is preferably integrally disposed, the first limiting portion 331 is embedded on the first spindle 312 component 310 and is disposed opposite to the second limiting portion 332, and the first limiting portion 331 can perform relative rotation motion with the first spindle 312 component 310, when a direction needs to be changed, the second limiting portion 332 can be driven to move only by shifting the first spindle 312 component 310, so that the second limiting portion and the first limiting portion 331 perform relative rotation motion, preferably, a first floating structure 336 is disposed in the first limiting portion 331, a plurality of connecting portions 333 are disposed on the second limiting portion 332, the first limiting portion 331 performs step-by-step motion along the plurality of connecting portions 333 under the action of the first protruding portion 336b and the first elastic member 336c, and drives the first end portion 311 to open the direction switch 320, so as to implement step-by-step direction changing motion. The arrangement of the first protrusion 336b and the connecting portion 333 enables the direction switch 320 to be turned on stably step by step in the reversing process, so that the phenomenon that the direction switch 320 is damaged due to excessive turning on or the reversing fails due to insufficient turning on, and the working efficiency is affected is avoided.

Further, the second limiting portion 332 is similar to a disc shape and surrounds the first main shaft 312 assembly 310, and a plurality of connecting portions 333 are arranged along the circumferential direction of the second limiting portion 332, the number of the connecting portions 333 corresponds to the reversing gear, if there are three forward, backward and neutral gears, the number of the connecting portions 333 is three, and if there are a plurality of gears, the connecting portions 333 are adapted to the number of the gears. Further, the first protrusion 336b is disposed in a ball-shaped structure, the connecting portion 333 is disposed in a third groove 335, and the rolling motion of the ball-shaped structure and the third groove 335 controls the on and off of the different direction switch 320. Specifically, the first protrusion 336b is connected to a first elastic member 336c, when the first main shaft 312 assembly 310 drives the second limiting portion 332 to rotate, under the action of the first elastic member 336c, the first protrusion 336b is pressed and bounced by the second limiting portion 332 and pressed into the adjacent third groove 335, and meanwhile, the first end 311 abuts against the direction switch 320, and the direction switch 320 is turned on, so as to implement directional gear shifting. Example (c): the third groove 335 is provided with three grooves in sequence, which are respectively: the advancing slot corresponds to the advancing switch; the neutral gear groove corresponds to a neutral gear; the backward groove corresponds to the backward switch. Before the work starts, the first convex part 336b is abutted with the neutral groove, when the reversing is needed to advance, the first main shaft 312 component 310 is shifted, so that the first convex part 336b slides to the advancing groove under the action of the first elastic part 336c, and meanwhile, the first end part 311 is abutted with the advancing switch to control the advancing switch to be opened, so that the advancing reversing is realized; when the vehicle needs to be reversed to a neutral gear, the first main shaft 312 assembly 310 is only required to be shifted to drive the second limiting part 332 to rotate, so that the first convex part 336b is clamped with the neutral gear groove, and at the moment, the first end part 311 and the direction switch 320 are in a separated state, so that the vehicle is controlled to be in the neutral gear state; when the direction needs to be changed to the reverse gear, the first main shaft 312 component 310 is shifted to drive the second limiting portion 332 to rotate, so that the first protruding portion 336b slides to the reverse groove, meanwhile, the first end portion 311 abuts against the reverse switch, the reverse switch is controlled to be turned on, and the reverse direction is realized. Each direction switch 320 is opened or closed through the rotation of first main shaft 312 subassembly 310 to realize directional shifting through the relative motion of globular first convex part 336b and third recess 335, when guaranteeing that direction switch 320 normally opens and closes, can also realize fixed point location and shift, accurate control switching-over keeps off the position, avoids causing the switching-over failure because of rotating excessively or not in place, has promoted whole explosion-proof direction switch 320's control accuracy nature and job stabilization nature greatly.

Preferably, as shown in fig. 4 to 7, the first main shaft 312 assembly 310 includes a first main shaft 312 and a dial 313 connected to an end of the first main shaft 312, the dial 313 is disposed at the first end 311, wherein at least one direction switch 320 is connected to the dial 313.

Further preferably, the shifting block 313 is provided in an elongated shape.

In the present embodiment, by providing the shift block 313 and setting the shift block 313 to be long, the shift block 313 is respectively abutted against the different direction switches 320 during the rotation of the first main shaft 312. Specifically, in an initial state, the dial block 313 and the directional switch 320 are in a separated state, when the direction needs to be changed, the first spindle 312 is toggled to drive the dial block 313 to rotate, and then the dial block 313 is controlled to abut against different directional switches 320 so as to control the opening and closing of the different directional switches 320, the arrangement of the long-strip-shaped dial block 313 enables the dial block 313 to be separated from another directional switch 320 while abutting against one directional switch 320, that is, the other directional switch 320 is closed when one directional switch 320 is opened, and the working stability of the single directional switch 320 is ensured.

Preferably, as shown in fig. 4 to 7, the first main shaft 312 includes a second end 314 disposed outside the explosion-proof box, and the second end 314 is connected to a handle 315 for controlling the rotation of the first main shaft 312.

In this embodiment, the second end 314 is disposed on the first main shaft 312, and the handle 315 for controlling the rotation of the first main shaft 312 is disposed on the second end 314, so that the rotation of the whole first main shaft 312 can be controlled only by rotating the handle 315, and the operation is simple and convenient, and the reversing is fast and efficient.

Preferably, as shown in fig. 4 to 7, a stopper 337 is disposed on a side of the first stopper 331 away from the first protrusion 336b, and a second groove 334 corresponding to the stopper 337 is recessed in the second stopper 332.

In this embodiment, the second groove 334 is concavely disposed on the second limiting portion 332, and the second groove 334 and the stop 337 are disposed so that the second limiting portion 332 can be limited when the reversing operation reaches the limit, thereby preventing the direction switch 320 from being damaged due to the excessive rotation of the first main shaft 312, and ensuring the working stability of the entire explosion-proof direction switch 320.

Preferably, as shown in fig. 8 to 15, the light switch 540 structure 500 includes a mounting housing 510 and a second main shaft 523 assembly 520, a cavity 511 for the movement of the second main shaft 523 component 520 is arranged in the mounting housing 510, one end of the second main shaft 523 component 520 is disposed in the explosion-proof control box 100 and is connected with a lighting lamp switch 540, wherein, the projection of the second main shaft 523 component 520 in the horizontal direction and the projection of the illumination lamp switch 540 in the horizontal direction have an overlapping area, disposed within the overlap region is a third end of the secondary spindle 523 assembly 520 and a fourth end adjustably connected to the third end, the fourth end portion is disposed at one end of the light switch 540 and moves along a stroke movement direction of the light switch 540, the movement stroke of the light switch 540 is controlled by the adjustable connection of the third end and the fourth end.

In this embodiment, the lighting lamp switch 540 structure 500 includes a mounting housing 510 and a second main shaft 523 assembly 520 moving along the inside of the mounting housing 510, the connection between the second main shaft 523 assembly 520 and the lighting lamp switch 540 controls the lighting lamp switch 540 to be turned on and off, and the lighting lamp switch 540 is disposed in the explosion-proof control box 100, so that the switching operation of the whole lighting lamp switch 540 structure 500 is completed in the explosion-proof control box 100, the sealing performance is good, the explosion-proof performance is high, the second main shaft 523 assembly 520 and the lighting lamp switch 540 are in adjustable connection, the relative distance between the second main shaft 523 assembly 520 and the lighting lamp switch 540 is controlled by the adjustable connection, and further the movement stroke of the lighting lamp switch 540 is adjusted, specifically, the lighting lamp switch 540 structure 500 controls the lighting lamp switch 540 to be turned on and off by the second main shaft 523 assembly 520, and the lighting lamp switch 540 is mostly in contact with different internal contacts 545 through the movement of the switch shaft 543 in the lighting lamp switch 540, and then open different switches, and the relative position of switch shaft 543 and internal contact 545 is influenced by processing technology easily and appears the deviation, lead to switch shaft 543 not in place with the contact of internal contact 545, can't normally open the switch, and light switch 540 structure 500 that provides in this embodiment, the third end sets up on second main shaft 523 subassembly 520, the fourth end sets up on light switch 540's switch shaft 543, through setting up adjustable connection's second main shaft 523 subassembly 520 and light switch 540, before the assembly, the relative position of fourth end and third end has been adjusted in advance, and then the relative position of control switch shaft 543 and internal contact 545, adjust light switch 540's motion stroke promptly, guarantee that light switch 540's motion is accurate reliable, the high efficiency of work is stable, applicable various types of light switch 540, and wide applicability. In addition, the projection of the second main shaft 523 component 520 in the horizontal direction and the projection of the light switch 540 in the horizontal direction have an overlapping region, that is, the mounting positions of the second main shaft 523 component 520 and the light switch 540 in the horizontal direction have an overlapping region, so that on the premise of ensuring the movement stroke of the light switch 540, the whole size of the structure 500 of the light switch 540 is small, the structure is compact and reasonable, the light switch is suitable for being mounted in most explosion-proof control boxes 100, the adaptability is wide, and the practicability is high

Preferably, as shown in fig. 8 to 15, an adjusting structure 542 is connected to the fourth end portion near the third end portion, wherein the third end portion is nested on the fourth end portion, and the relative distance between the third end portion and the fourth end portion is controlled by the adjusting structure 542.

Further preferably, the adjusting structure 542 includes an adjusting portion 542a connected to the fourth end portion and a locking portion 542b connected to the third end portion, the relative distance between the third end portion and the fourth end portion is adjusted by the adjusting portion 542a, and the relative position of the third end portion and the fourth end portion is locked by the locking portion 542 b.

In this embodiment, the second main shaft 523 assembly 520 and the lamp switch 540 are connected in a nested manner, the third end is nested on the fourth end, the fourth end is connected with the adjusting structure 542, and after the adjusting structure 542 is connected, the third end is nested in the third end, and the relative distance between the third end and the fourth end is controlled by the adjusting structure 542, specifically, the adjusting structure 542 includes an adjusting portion 542a and a locking portion 542b, the adjusting portion 542a is used for adjusting the relative position between the adjusting structure 542 and the fourth end, and further adjusting the relative position between the third end and the fourth end, and after the locking portion 542b locks the relative position, the relative position between the fourth end and the internal contact 545 of the lamp switch 540 can be fixed, that is, the relative position between the switch shaft 543 and the internal contact 545 on the lamp switch 540 is adjusted, and the accuracy of the relative position between the switch shaft 543 and the internal contact 545 is ensured, the accurate reliability of the movement process of the illumination lamp switch 540 is ensured, so that the illumination lamp switch 540 can be turned on different switches according to the requirements of users under the action of the pulling force of the second main shaft 523 component 520.

Preferably, as shown in fig. 8 to 15, the second main shaft 523 assembly 520 and the lamp switch 540 are in a nested connection, the third end is nested on the fourth end, the fourth end is connected with the adjusting structure 542, and is nested in the third end after the adjusting structure 542 is connected, and the relative distance between the third end and the fourth end is controlled by the adjusting structure 542, specifically, the adjusting structure 542 includes an adjusting portion 542a and a locking portion 542b, the adjusting portion 542a is used for adjusting the relative position between the adjusting structure 542 and the fourth end, and further adjusting the relative position between the third end and the fourth end, and after the locking portion 542b locks the relative position, the relative position between the fourth end and the internal contact 545 of the lamp switch 540 can be fixed, that is, the relative position between the switch shaft 543 and the internal contact 545 on the lamp switch 540 is adjusted, and the accuracy of the relative position between the switch shaft 543 and the internal contact 545 is ensured, the accurate reliability of the movement process of the illumination lamp switch 540 is ensured, so that the illumination lamp switch 540 can be turned on different switches according to the requirements of users under the action of the pulling force of the second main shaft 523 component 520.

Preferably, as shown in fig. 8 to 15, the adjusting structure 542 is a cylindrical structure, and a through hole 542c is formed in the cylindrical structure, and the through hole 542c is nested on the fourth end portion.

Further preferably, the adjustment portion 542a is provided at a circumferential surface of the through hole 542c, and the locking portion 542b is provided at an end of the cylindrical structure.

Further preferably, a first clamping structure 521 is arranged at the third end, a second clamping structure 541 connected with the first clamping structure 521 is arranged at the fourth end, and the through hole 542c and the second clamping structure 541 are in threaded connection.

In this embodiment, the adjusting structure 542 is threadedly connected to the second fastening structure 541 through the through hole 542c, specifically, before assembly, the adjusting structure 542 is assembled to the second fastening structure 541, and the adjusting structure 542 is screwed onto the second fastening structure 541 through the screw thread of the through hole 542c, the relative distance between the adjusting structure 542 and the second fastening structure 541 is adjusted, the second fastening structure 541 is the end of the switch shaft 543, in operation, the contact on the switch shaft 543 contacts with the contact 545 inside the lighting lamp switch 540, so as to control the switch to be turned on, after the relative distance between the adjusting structure 542 and the second fastening structure 541 is adjusted, the relative position between the first fastening structure 521 and the second fastening structure 541 can be locked under the action of the locking portion 542b, so as to control the relative position between the switch shaft 543 and the contact 545 inside the lighting lamp switch 540, the upper contact of the switch shaft 543 is matched with the inner contact 545 of the lighting lamp switch 540, and the switch action is guaranteed to be accurate and stable.

Preferably, as shown in fig. 8 to 15, a clamping groove 522 for clamping the second clamping structure 541 is disposed in the first clamping structure 521, wherein the clamping groove 522 is disposed in a semi-open manner, and the second clamping structure 541 is connected to the first clamping structure 521 along the clamping groove 522 and is automatically locked by the adjusting structure 542.

Further preferably, the first clamping structure 521 is a disc-like structure, the clamping groove 522 includes a first clamping groove 522a arranged along the circumferential direction of the first clamping structure 521 and a second clamping groove 522b arranged along the end of the first clamping structure 521, and the first clamping groove 522a is communicated with the second clamping groove 522 b.

Further preferably, the radial dimension of the adjusting structure 542 is smaller than the length-direction dimension of the first catching groove 522a and larger than the width-direction dimension of the second catching groove 522 b.

In this embodiment, the second clamping structure 541 is connected inside the first clamping structure 521 in a nested manner through the clamping groove 522, the clamping groove 522 includes a first clamping groove 522a and a second clamping groove 522b that are communicated with each other, the first clamping groove 522a is connected with the second clamping groove 522b to form a T-shaped clamping groove 522, the first clamping groove 522a is opened along the circumferential direction of the first clamping structure 521, the second clamping groove 522b is arranged along the end portion of the first clamping structure 521, during assembly, the adjusting structure 542 is pre-connected with the second clamping structure 541, and then the whole body is clamped with the first clamping structure 521 along the first clamping groove 522a, and the relative positions of the first clamping structure 521 and the second clamping structure 541 are fixed under the action of the locking portion 542b, meanwhile, the radial dimension of the adjusting structure 542 is set to be smaller than the length direction dimension of the first clamping groove 522a and larger than the width direction dimension of the second clamping groove 522b, make the integrated configuration of adjusting structure 542 and second joint structure 541 smoothly carry out the joint along first joint groove 522a and first joint structure 521 to the joint guarantees the stability of first joint structure 521 and second joint structure 541 relative position on second joint groove 522 b.

Preferably, as shown in fig. 8 to 15, a second limiting component 530 is disposed in the mounting housing 510, and the second limiting component 530 includes a third limiting portion 531 located on the second main shaft 523 component 520 and a fourth limiting portion 532 disposed on the mounting housing 510.

Further preferably, the third position limiting portion 531 is provided in plurality.

Further preferably, a fourth groove 533 is recessed in the fourth position-limiting part 532, a second floating structure is disposed in the fourth groove 533, the second floating structure includes a second protrusion 534 and a second elastic member 535, and two ends of the second elastic member 535 abut against the second protrusion 534 and the fourth groove 533 respectively.

In this embodiment, a second limiting component 530 for controlling the limitation of the lighting switch 540 is disposed in the lighting switch 540 structure 500, specifically, the lighting switch 540 is externally connected with a load, which may be a lamp or other loads requiring switch opening, the lighting switch 540 includes a switch shaft 543 and a plurality of internal contacts 545, the internal contacts 545 are disposed according to actual requirements, contacts are also disposed on the switch shaft 543, when the switch shaft 543 is pulled, the switch shaft 543 gradually contacts with different internal contacts 545, and further the lighting switch 540 is controlled to turn on different switches step by step, taking the light of the forklift 900 as an example, three internal contacts 545 of the lighting switch 540 are sequentially disposed, and respectively control the low beam, the high beam and the low beam and the high beam, when the lighting switch shaft 543 is pulled by the second main shaft 523 component 520, the switch shaft 543 is driven to contact with each internal contact 545, and after the contact is in place, the second limiting component 530 limits the position and is fixed at the contact position, so that the stability of opening the lamplight is ensured. Second limit component 530 is through setting up the second floating structure for in-process at second main shaft 523 subassembly 520 pulling, second main shaft 523 subassembly 520 can carry out joint gradually with installation casing 510 is inside, and make second floating structure joint gradually on third spacing portion 531, second convex part 534 is preferred spherical structure, third spacing portion 531 preferably with the concave part of second convex part 534 looks adaptation, the setting up of second limit component 530 makes switch shaft 543 can contact with a plurality of internal contact 545 step by step, realizes the switch action step by step, and the switch action is accurate high-efficient, and is stable orderly.

Preferably, as shown in fig. 8 to 15, the second main shaft 523 assembly 520 includes a second main shaft 523, a guide sleeve 524 is nested on the second main shaft 523, and the guide sleeve 524 is disposed between the second main shaft 523 and the mounting housing 510.

Further preferably, the guide sleeve 524 is clamped and sealed with the mounting housing 510, and a sealing ring 525 sleeved on the second main shaft 523 is arranged in the guide sleeve 524.

Further preferably, the explosion-proof surface 800 is disposed on a connection surface between the guide sleeve 524 and the second main shaft 523 and on a connection surface between the guide sleeve 524 and the mounting housing 510.

In this embodiment, uide bushing 524 nests on second main shaft 523 and is sealed with installation casing 510 joint, still carry out relatively fixed through sealing washer 525 and second main shaft 523 simultaneously, it is specific, when second main shaft 523 subassembly 520 pulls light switch 540, uide bushing 524 links with second main shaft 523, under the effect of uide bushing 524, second main shaft 523 can carry out steady motion along the axial direction of installation casing 510, avoid leading to the switch to open the failure because of the direction of motion deviation, simultaneously, flame proof face 800 and sealing washer 525 set up whole explosion-proof performance has been promoted greatly, even the inside electric spark or the explosion phenomenon of light switch 540 appears, also can block the spark overflow under flame proof face 800 and sealing washer 525's effect, guarantee the explosion-proof performance of whole switch 540 structure 500.

Preferably, as shown in fig. 8 to 15, a connection nut 544 is further disposed on the light switch 540 near the second clamping structure 541, an end cover 526 is nested on the mounting housing 510 near the connection nut 544, one side of the end cover 526 is provided with a mounting groove 527, and the other side is provided with a mounting hole 528.

In this embodiment, an end cap 526 is nested at a joint of the installation housing 510 and the lighting lamp switch 540, two sides of the end cap 526 are respectively provided with an installation groove 527 and an installation hole 528, when the installation is performed, after the first clamping structure 521 and the second clamping structure 541 are connected, the connection nut 544 is tightened, preferably, a washer is further connected to one side of the connection nut 544 close to the end cap 526, then the end cap 526 is inserted onto the switch shaft 543 along the installation groove 527 and clamped with the installation housing 510, after the clamping with the installation housing 510 is completed, the connection screw is installed in the installation hole 528, and the positions of the end cap 526 and the installation housing 510 are locked, so that the installation is completed. The arrangement of the end cover 526 enables the whole light switch 540 structure 500 to be conveniently and quickly installed, to be conveniently disassembled and assembled, to be simple in operation, and greatly improves the overall practicability and the disassembling and assembling efficiency.

Further preferably, one end of the second main shaft 523, which is located outside the explosion-proof control box 100, is further connected with a switch handle 529, the switch handle 529 drives the second main shaft 523 to pull the illumination lamp switch 540, so as to control the illumination lamp switch 540 to be turned on step by step, specifically, when a first-stage switch needs to be turned on, the switch handle 529 is pulled once, so that the switch shaft 543 is in contact with a first position of an internal contact 545 of the illumination lamp switch 540, the position of the switch handle 529 is fixed by the second limiting component 530, and when a second-stage switch needs to be turned on, the two lower switch handles 529 are pulled, and so on. The setting of switch handle 529 makes the switch open conveniently, only needs light pulling can control, and easy operation is quick.

Further preferably, a plurality of explosion-proof surfaces 800 are arranged on the explosion-proof control box 100, wherein, a first explosion-proof surface 810 is arranged at the joint of the direction switch 320 structure 300 and the explosion-proof shell 200, a second explosion-proof surface 820 is arranged at the joint of the first main shaft 312 component 310 and the first limiting component 330, the flameproof surface 800 at the position of the reversing light switch structure 400 is provided with a same-direction switch 320 structure 300, a third explosion-proof surface 830 is arranged at the joint of the structure 500 of the lighting lamp switch 540 and the explosion-proof shell 200, a fourth explosion-proof surface 840 is arranged at the connecting surface of the guide sleeve 524 and the second main shaft 523, a fifth explosion-proof surface 850 is arranged on the connecting surface of the guide sleeve 524 and the mounting shell 510, a sixth explosion-proof surface 860 is arranged on the connection surface of the horn switch structure 600 and the explosion-proof housing 200, and a seventh explosion-proof surface 870 is arranged on the connection surface between the instrument box 410 and the explosion-proof shell 200.

Further preferably, a plurality of cable leading-in assemblies 700 are arranged and connected with a control system in the forklift 900, and the joints of the cable leading-in assemblies 700 and the explosion-proof shell 200 are provided with eighth explosion-proof surfaces 880.

In this embodiment, the setting of a plurality of flame proof faces 800 has promoted the explosion-proof performance of this explosion-proof control box 100 greatly, can reach exdIIBT4 level explosion-proof grade, not only can work in explosive gas environment, can also work under dust environment, explosion-proof grade is high, application scope is wide, the practicality of its installation carrier has been promoted greatly, in this embodiment, this explosion-proof control box 100 is installed on fork truck 900, fork truck 900's explosion-proof performance has been promoted greatly, and make fork truck 900 use under multiple environment, application scope is wide.

Example two

As shown in fig. 1 to 16, the present invention further provides an explosion-proof forklift 900, including the explosion-proof control box 100 according to the first embodiment, wherein the explosion-proof control box 100 is mounted on the explosion-proof forklift 900, and the third mounting surface 230 is connected to the forklift 900 and is electrically connected to a control system in the forklift 900 through the cable lead-in assembly 700.

In this embodiment, the forklift 900 is provided with the explosion-proof control box 100, and the switch structures are integrally arranged in the explosion-proof control box 100, and the explosion-proof surfaces 800 are arranged at the connection surfaces, so that on one hand, the whole forklift 900 is stably and efficiently operated and is not easily influenced by the external environment; on the other hand, the anti-explosion performance of the whole forklift 900 is greatly improved, so that the forklift 900 can be suitable for various anti-explosion environments, such as dust anti-explosion and gas anti-explosion, and is high in anti-explosion grade and wide in application range.

It should be noted that the descriptions related to "first", "second", "a", etc. in the present invention are only used for descriptive purposes and are not to be construed as indicating or implying relative importance or implicit indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. The terms "connected," "fixed," and the like are to be construed broadly, e.g., "fixed" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims (10)

1. The utility model provides an explosion-proof control box which characterized in that installs on fork truck, includes: explosion-proof casing, explosion-proof casing includes the first installation face and the second installation face of adjacent setting, and with the relative third installation face that sets up of first installation face, install the direction switch subassembly on the first installation face, install the load switch subassembly on the second installation face, just be connected with a plurality of cable introduction subassemblies on the third installation face, wherein, the third installation face with fork truck assembles mutually, and passes through the cable introduction subassembly is connected with fork truck control system, the direction switch subassembly with the load switch subassembly all sets up towards the driver's cabin direction.

2. The explosion-proof control box of claim 1, characterized in that the direction switch assembly comprises a direction switch structure and a reversing lamp switch structure, an instrument box is arranged between the direction switch structure and the reversing lamp switch structure, wherein explosion-proof surfaces are arranged at the connection positions of the direction switch structure, the reversing lamp switch structure, the instrument box and the explosion-proof housing.

3. The explosion-proof control box of claim 1, wherein the load switch assembly comprises a lamp switch structure and a horn switch structure, the lamp switch structure and the horn switch structure are both arranged perpendicular to the second mounting surface, and explosion-proof surfaces are arranged at the joints of the lamp switch structure and the horn switch structure with the explosion-proof shell.

4. The explosion-proof control box of claim 2, characterized in that the direction switch structure comprises a first spindle assembly, the first spindle assembly comprises a first end portion located inside the explosion-proof control box, the first end portion of the first spindle assembly is connected with at least one direction switch, and a first limit assembly is embedded on the first spindle assembly, wherein two limit portions are oppositely arranged on the first limit assembly, one limit portion is provided with a plurality of limit portions, and the first spindle assembly drives the two limit portions to be gradually clamped and connected, so that the first end portion is controlled to gradually open the direction switch.

5. The explosion-proof control box of claim 4, characterized in that the spacing portion comprises a first spacing portion and a second spacing portion which are axially distributed along the first spindle assembly, wherein a floating structure is arranged at the first spacing portion, the second spacing portion comprises a connecting portion matched with the floating structure, and the first end portion is controlled to open the direction switch step by step through the clamping cooperation of the floating structure and the connecting portion.

6. The explosion-proof control box of claim 5, wherein the second limit part is provided with a plurality of second limit parts, the first limit part is provided with at least one first limit part, and the direction switch is controlled to be opened step by the step-by-step clamping of the first limit part and the second limit part.

7. An explosion proof control box according to claim 3, wherein the cargo lamp switch structure includes a mounting housing and a second spindle assembly, a cavity for the second main shaft assembly to move is arranged in the mounting shell, one end of the second main shaft assembly is arranged in the explosion-proof control box and is connected with an illuminating lamp switch, wherein, the projection of the second main shaft component in the horizontal direction and the projection of the lighting lamp switch in the horizontal direction have an overlapping area, a third end portion of the second spindle assembly and a fourth end portion adjustably connected to the third end portion are disposed within the overlap region, the fourth end part is arranged at one end of the lighting lamp switch and moves along the stroke movement direction of the lighting lamp switch, the movement stroke of the illuminating lamp switch is controlled through the adjustable connection of the third end part and the fourth end part.

8. An explosion proof control box according to claim 7 wherein an adjustment structure is connected to the fourth end portion adjacent the third end portion, wherein the third end portion is nested on the fourth end portion and the relative distance between the third end portion and the fourth end portion is controlled by the adjustment structure.

9. The explosion-proof control box of claim 7, wherein a first clamping structure is arranged at the third end, a second clamping structure connected with the first clamping structure is arranged at the fourth end, a clamping groove for clamping the second clamping structure is arranged in the first clamping structure, the clamping groove is arranged in a semi-open manner, and the second clamping structure is connected with the first clamping structure along the clamping groove and is automatically locked through the adjusting structure.

10. An explosion-proof forklift, comprising the explosion-proof control box of any one of claims 1 to 9, wherein the explosion-proof control box is mounted on the explosion-proof forklift, and the third mounting surface is connected with the forklift and is electrically connected with a control system in the forklift through the cable lead-in assembly.

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