Electric wheel maintenance system for mine cards

Abstract

The application provides a mine truck electric wheel overhauling system, which can realize the overturning of the electric wheel without manpower by using a three-axis heavy load positioner, an electric translation platform, a dismounting robot, an electric lifting platform and a dismounting power assisting device, and can improve the overhauling efficiency of the electric wheel and reduce the labor intensity by using the robot to dismount the electric wheel. The three-axis heavy load positioner can realize the overturning, lifting and rotating of the electric wheel, so that the overhauling personnel can approach the electric wheel to be overhauled from different angles and positions. The electric lifting platform can lift the operator to a suitable working height, reducing the risk of high-altitude operation. The electric translation platform can move horizontally, so that the operator can approach or move away from the electric wheel, and the dismounting operation is more convenient. The ground rail mechanism can make the dismounting robot approach or move away from the electric wheel, so that the dismounting robot can adapt to electric wheels of different sizes, improving the flexibility.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of electric wheel maintenance of mine truck, in particular to an electric wheel maintenance system of mine truck. BACKGROUND

[0002] The electric wheel of mine truck is continuously operated under high load conditions, and the internal parts will be worn and damaged to different degrees, so it is necessary to regularly maintain the electric wheel of mine truck.

[0003] At present, the overall disassembly of electric wheel maintenance is mostly operated by manual work, and a large number of bolts of different specifications need to be disassembled and assembled for the disassembly and assembly of electric wheel, among which the disassembly torque of large size bolts reaches 6500N·m. At present, manual work uses large wrenches, which need to hold tools weighing up to 10 kilograms, and the operation efficiency is low and the labor intensity is large. SUMMARY

[0004] The present application provides an electric wheel maintenance system of mine truck to solve the problem of low operation efficiency and high labor intensity in the prior art.

[0005] In order to solve the above problems, the present application provides an electric wheel maintenance system of mine truck, which comprises a three-axis heavy load positioner, an electric translation platform, a ground rail mechanism, a disassembly and assembly robot, an electric lifting platform and a disassembly and assembly assisting device. The three-axis heavy load positioner comprises a turnover mechanism, a lifting mechanism and a rotating mechanism, the turnover mechanism is installed on the foundation, the lifting mechanism is installed on the turnover mechanism, and the rotating mechanism is installed on the lifting mechanism. The rotating mechanism carries the electric wheel to be maintained, wherein the rotating mechanism is used to drive the electric wheel to rotate along the vertical center line, the lifting mechanism is used to drive the electric wheel to lift, and the turnover mechanism is used to drive the electric wheel to rotate along the horizontal center line. The electric translation platform is horizontally movably arranged on the foundation, and the electric translation platform is used to carry the operator. The ground rail mechanism is installed on the foundation, and the disassembly and assembly robot is installed on the ground rail mechanism to move integrally through the ground rail mechanism. The disassembly and assembly robot is used to disassemble and assemble the electric wheel on the three-axis heavy load positioner. The electric lifting platform is located on the side of the three-axis heavy load positioner away from the electric translation platform, and the electric lifting platform is vertically movably arranged on the foundation. The electric lifting platform is used to carry the operator, and the disassembly and assembly assisting device is installed on the electric lifting platform. The disassembly and assembly assisting device is used for the operator to disassemble and assemble the electric wheel.

[0006] Further, the turnover mechanism comprises a fixed support and a turnover assembly, the fixed support is fixed to the foundation, the turnover assembly is rotatably arranged on the fixed support, the lifting mechanism comprises a connecting assembly and a lifting assembly, the connecting assembly is installed on the turnover assembly, the lifting assembly is liftable installed on the connecting assembly, the rotating mechanism comprises a lifting support, a rotating assembly and a locking structure, the lifting support is installed on the lifting assembly, the rotating assembly is rotatably arranged on the lifting support, the rotating center line of the rotating assembly is vertically arranged, the rotating assembly is used for bearing the electric wheel, and the locking structure is arranged on the rotating assembly.

[0007] Further, the turnover assembly comprises a turnover bearing with external teeth, the turnover mechanism further comprises a turnover motor installed on the fixed support, the output shaft of the turnover motor is engaged with the external teeth of the turnover bearing through a gear, and the rotating assembly comprises a rotating bearing with external teeth, the rotating mechanism further comprises a rotating motor installed on the lifting support, and the output shaft of the rotating motor is engaged with the external teeth of the rotating bearing through a gear.

[0008] Further, the connecting assembly comprises a matching nut, the matching nut is internally provided with a ball, the lifting assembly comprises a lifting frame, a lifting lead screw and a lifting motor, the lifting lead screw and the lifting motor are both installed on the lifting frame, the lifting lead screw is matched with the matching nut, the lifting motor drives the lifting lead screw to rotate, the lifting lead screw drives the lifting frame to lift under the condition of rotation, and the rotating mechanism lifts with the lifting frame.

[0009] Further, the rotating mechanism further comprises a plurality of tooling plates with different sizes, any one tooling plate is detachably installed on the rotating assembly, the tooling plate is used for being connected with the electric wheel matched in size to install the electric wheel on the rotating assembly, and the mine truck electric wheel maintenance system further comprises a tooling rack, the tooling rack is used for placing the tooling plate.

[0010] Further, the dismounting robot comprises a six-axis industrial robot and a hydraulic dismounting mechanism, the six-axis industrial robot is installed on the electric lifting platform, the hydraulic dismounting mechanism is installed on the six-axis industrial robot to move by the six-axis industrial robot, and the hydraulic dismounting mechanism is used for dismounting the bolt on the electric wheel of the three-axis heavy load positioner.

[0011] Further, the electric lifting platform comprises a moving track, a scissor mechanism and a bearing platform, the scissor mechanism is horizontally movably arranged on the moving track, the bearing platform is arranged at the top end of the scissor mechanism, the scissor mechanism is used for driving the bearing platform to lift, and the dismounting assisting device is installed on the bearing platform.

[0012] Further, the electric lifting platform further comprises a limit position sensor, the limit position sensor is used for detecting whether the bearing platform moves to a safe distance from the three-axis heavy load positioner, and the three-axis heavy load positioner can move only in the case that the bearing platform moves to the safe distance from the three-axis heavy load positioner.

[0013] Further, the disassembly and assembly assisting device comprises a first assisting arm, a hydraulic wrench, a second assisting arm and an electric wrench, the first assisting arm is installed on the electric lifting platform, the hydraulic wrench is installed at the end of the first assisting arm, the second assisting arm is installed on the electric lifting platform, and the electric wrench is installed at the end of the second assisting arm.

[0014] Further, the mining truck electric wheel maintenance system further comprises a waste oil recovery device, the waste oil recovery device comprises an oil drum and a driving pump assembly, the driving pump assembly is used for sucking waste oil in the electric wheel on the three-axle heavy load positioner into the oil drum, the mining truck electric wheel maintenance system further comprises an electric control system, the three-axle heavy load positioner, the electric translation platform, the disassembly and assembly robot and the electric lifting platform are electrically connected with the electric control system.

[0015] The technical scheme of the present application provides a mining truck electric wheel maintenance system, which comprises a three-axle heavy load positioner, an electric translation platform, a disassembly and assembly robot, an electric lifting platform and a disassembly and assembly assisting device; the three-axle heavy load positioner comprises a turnover mechanism, a lifting mechanism and a rotating mechanism, the turnover mechanism is installed on a foundation, the lifting mechanism is installed on the turnover mechanism, and the rotating mechanism is installed on the lifting mechanism, the rotating mechanism bears the electric wheel to be maintained, wherein the rotating mechanism is used to drive the electric wheel to rotate along a vertical center line, the lifting mechanism is used to drive the electric wheel to lift, and the turnover mechanism is used to drive the electric wheel to rotate along a horizontal center line; the electric translation platform is horizontally movably arranged on the foundation, the electric translation platform is used to bear an operator, a ground rail mechanism is installed on the foundation, the disassembly and assembly robot is installed on the ground rail mechanism to be integrally translated through the ground rail mechanism, and the disassembly and assembly robot is used to disassemble and assemble the electric wheel on the three-axle heavy load positioner; the electric lifting platform is located on the side of the three-axle heavy load positioner away from the electric translation platform, the electric lifting platform is vertically movably arranged on the foundation, the electric lifting platform is used to bear the operator, and the disassembly and assembly assisting device is installed on the electric lifting platform, and the disassembly and assembly assisting device is used for the operator to disassemble and assemble the electric wheel.

[0016] In the scheme, by using the three-axis heavy load positioner, the electric translation platform, the disassembly and assembly robot, the electric lifting platform and the disassembly and assembly power assisting device, the electric wheel can be flipped without manual carrying, the electric wheel of the mine truck can be disassembled and assembled by the robot, the maintenance efficiency of the electric wheel of the mine truck can be greatly improved, the manual operation time is reduced, and the manual labor intensity is reduced. The three-axis heavy load positioner can realize the flipping, lifting and rotating of the electric wheel, so that the maintenance personnel can approach the electric wheel to be maintained from different angles and positions, and the flexibility of operation is improved. The electric lifting platform can lift the operator to the appropriate working height, reduces the risk of high-altitude operation, and enables the operator to work in a safe environment. The disassembly and assembly robot is arranged to realize the automation of the disassembly and assembly of the electric wheel, reduce the labor intensity, and reduce the human error. The electric translation platform can move horizontally, so that the operator can approach or move away from the electric wheel, and the disassembly and assembly operation is more convenient. The ground rail mechanism can make the disassembly and assembly robot approach or move away from the electric wheel, so that the disassembly and assembly robot can adapt to electric wheels of different sizes, improve the flexibility, save space, make the maintenance area more compact, and adapt to the working environment with limited space. Moreover, the improved mine truck electric wheel maintenance system in the embodiment can adapt to electric wheels of different sizes and weights, and has wide applicability. BRIEF DESCRIPTION OF DRAWINGS

[0017] The drawings accompanying the specification of this application form a part thereof, serve to provide further understanding of the application, and together with the description of the exemplary embodiments of the application given below, make an explanation of the application, and do not constitute an improper limitation of the application. In the drawings:

[0018] Figure 1 A structure schematic view of the mine truck electric wheel maintenance system provided by the embodiment of the application is shown;

[0019] Figure 2 A structure schematic view of the three-axis heavy load positioner of the mine truck electric wheel maintenance system provided by the embodiment of the application is shown;

[0020] Figure 3 A structure schematic view of the flipping assembly and the flipping protection assembly of the three-axis heavy load positioner provided by the embodiment of the application is shown;

[0021] Figure 4 A structure schematic view of the electromagnetic brake of the three-axis heavy load positioner provided by the embodiment of the application is shown;

[0022] Figure 5 A structure schematic view of the rotating assembly and the hydraulic clamping mechanism of the three-axis heavy load positioner provided by the embodiment of the application is shown;

[0023] Figure 6 A structure schematic view of the lifting mechanism of the three-axis heavy load positioner provided by the embodiment of the application is shown;

[0024] Figure 7 A structural schematic diagram of a lifting protection assembly of a lifting mechanism of a three-axis heavy load positioner is shown;

[0025] Figure 8 A structural schematic diagram of an electric lifting platform of a mining truck electric wheel maintenance system is shown.

[0026] Among them, the above figure includes the following reference signs:

[0027] 10, foundation; 11, ground rail mechanism;

[0028] 20, three-axis heavy load positioner;

[0029] 30, electric translation platform;

[0030] 40, disassembly and assembly robot;

[0031] 50, electric lifting platform; 51, moving track;

[0032] 52, scissor mechanism; 53, bearing platform;

[0033] 60, disassembly and assembly assisting device;

[0034] 61, first assisting arm; 62, second assisting arm;

[0035] 70, tooling rack;

[0036] 80, waste oil recovery device;

[0037] 90, electric control system;

[0038] 100, electric wheel;

[0039] 110, turnover mechanism;

[0040] 111, fixed support;

[0041] 112, turnover assembly;

[0042] 113, turnover motor;

[0043] 114, fixed sliding seat;

[0044] 115, turnover protection assembly;

[0045] 1151, anti-loose gear mechanism; 1152, anti-loose servo motor;

[0046] 1153, electromagnetic brake; 1154, ratchet mechanism;

[0047] 116, turnover bearing;

[0048] 120, lifting mechanism;

[0049] 121, connecting assembly;

[0050] 1211, mating nut; 1212, driven nut;

[0051] 1213, nut mounting bracket; 1214, nut anti-falling mounting plate;

[0052] 122, lifting assembly;

[0053] 123, lifting frame;

[0054] 124, lifting lead screw;

[0055] 125, lifting motor;

[0056] 126, lifting guide rail;

[0057] 127, lifting protection assembly;

[0058] 130, rotating mechanism;

[0059] 131, lifting bracket;

[0060] 132, rotating assembly;

[0061] 133, locking structure;

[0062] 134, overturning swing arm;

[0063] 135, rotating motor;

[0064] 136, hydraulic clamping mechanism; 1361, locking hydraulic motor;

[0065] 1362, transmission assembly; 1363, locking head;

[0066] 140, tooling plate. DETAILED DESCRIPTION

[0067] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. The description of the at least one exemplary embodiment is actually only illustrative, but not as any limitation on the present application and its application or use. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0068] As Figures 1 to 8As shown, the embodiment of the present application provides a mine truck electric wheel maintenance system, which comprises a three-axis heavy load positioner 20, an electric translation platform 30, a ground rail mechanism 11, a disassembly robot 40, an electric lifting platform 50 and a disassembly assisting device 60; the three-axis heavy load positioner 20 comprises a turnover mechanism 110, a lifting mechanism 120 and a rotating mechanism 130, the turnover mechanism 110 is installed on the foundation 10, the lifting mechanism 120 is installed on the turnover mechanism 110, and the rotating mechanism 130 is installed on the lifting mechanism 120, and the rotating mechanism 130 carries the electric wheel 100 to be maintained, wherein the rotating mechanism 130 is used to drive the electric wheel 100 to rotate along the vertical center line, the lifting mechanism 120 is used to drive the electric wheel 100 to lift, and the turnover mechanism 110 is used to drive the electric wheel 100 to rotate along the horizontal center line; the electric translation platform 30 is horizontally movably arranged on the foundation 10, and the electric translation platform is used to carry the operator, the ground rail mechanism 11 is installed on the foundation, the disassembly robot 40 is installed on the ground rail mechanism 11 to be integrally translated through the ground rail mechanism 11, and the disassembly robot 40 is used to disassemble the electric wheel 100 located on the three-axis heavy load positioner 20; the electric lifting platform 50 is located on the side of the three-axis heavy load positioner 20 away from the electric translation platform 30, the electric lifting platform 50 is vertically movably arranged on the foundation 10, the electric lifting platform 50 is used to carry the operator, and the disassembly assisting device 60 is installed on the electric lifting platform 50, and the disassembly assisting device 60 is used for the operator to disassemble the electric wheel 100.

[0069] In the embodiment, by using the three-axis heavy load positioner 20, the electric translation platform 30, the disassembly robot 40, the electric lifting platform 50 and the disassembly assisting device 60, the electric wheel 100 can be turned over without manual carrying, the electric wheel 100 can be disassembled by the robot, the maintenance efficiency of the mine truck electric wheel can be greatly improved, the manual operation time can be reduced, and the manual labor intensity can be reduced. The three-axis heavy load positioner 20 can realize the turnover, lifting and rotating actions of the electric wheel 100, so that the maintenance personnel can approach the electric wheel 100 to be maintained from different angles and positions, and the flexibility of the operation is improved. The electric lifting platform 50 can lift the operator to a suitable working height, reduce the risk of high-altitude operation, and enable the operator to work in a safe environment. The setting of the disassembly robot 40 realizes the automation of the disassembly of the electric wheel 100, reduces the labor intensity, and reduces human errors. The electric translation platform 30 can move horizontally, so that the operator can approach or move away from the electric wheel 100, and the disassembly operation can be more convenient. The ground rail mechanism 11 can make the disassembly robot 40 approach or move away from the electric wheel 100, so that the disassembly robot 40 can adapt to electric wheels 100 of different sizes, improve the flexibility, save space, make the maintenance area more compact, and adapt to the working environment with limited space. Moreover, the mine truck electric wheel maintenance system improved in the embodiment can adapt to electric wheels 100 of different sizes and weights, and has wide applicability.

[0070] As shown in Figure 2 , the turnover mechanism 110 includes a fixed support 111 and a turnover assembly 112, the fixed support 111 is fixed to the foundation 10, the turnover assembly 112 is rotatably arranged on the fixed support 111, the lifting mechanism 120 includes a connecting assembly 121 and a lifting assembly 122, the connecting assembly 121 is installed on the turnover assembly 112, the lifting assembly 122 is installed on the connecting assembly 121 in a lifting manner, the rotating mechanism 130 includes a lifting support 131, a rotating assembly 132 and a locking structure 133, the lifting support 131 is installed on the lifting assembly 122, the rotating assembly 132 is rotatably arranged on the lifting support 131, the rotating center line of the rotating assembly 132 is vertically arranged, the rotating assembly 132 is used for carrying the electric wheel 100, and the locking structure 133 is arranged on the rotating assembly 132. The locking structure 133 is used for locking the electric wheel 100 on the rotating assembly 132.

[0071] In this embodiment, the combination of the turnover assembly 112, the lifting assembly 122 and the rotating assembly 132 provides a multi-dimensional operation space, allowing the electric wheel 100 to be overhauled from different angles and heights, so that the maintenance personnel can quickly adjust the electric wheel 100 to the appropriate working position, saving time and labor, and increasing the flexibility of the operation. The fixed support 111 and the lifting support 131 provide a stable support structure, so that the mine truck electric wheel maintenance system can remain stable during use, reducing the risk of failure. Moreover, the locking structure 133 is uniformly distributed circumferentially on the rotating assembly 132, which can ensure that the electric wheel 100 is stably fixed on the rotating assembly 132 during maintenance, preventing the electric wheel 100 from accidentally sliding or falling, and increasing the safety of the operation.

[0072] Optionally, as Figure 5As shown, the rotary mechanism 130 is also provided with a hydraulic clamping mechanism 136 along the circumference of the rotary assembly 132, which includes a locking hydraulic motor 1361, a transmission assembly 1362, a trapezoidal screw rod and a locking head 1363. The locking hydraulic motor 1361 and the transmission assembly 1362 are installed on the rotary assembly 132, and the locking head 1363 is installed on one end of the trapezoidal screw rod. The locking hydraulic motor 1361 drives the trapezoidal screw rod to move through the transmission assembly 1362, and the trapezoidal screw rod drives the locking head 1363 to move radially along the rotary assembly 132, so as to press or avoid the tooling plate 140 through the locking head 1363. The hydraulic clamping mechanism 136 can lock the electric wheel 100 on the rotary assembly 132, and can play a role in positioning the electric wheel 100, and can also ensure that the electric wheel 100 will not loosen or fall off during the work of the heavy load positioner. Moreover, the plurality of hydraulic clamping mechanisms 136 are distributed along the circumference of the rotary assembly 132, which can uniformly apply pressure to the tooling plate 140, which helps to avoid deformation or damage of the tooling plate 140 due to uneven pressure distribution. The plurality of hydraulic clamping mechanisms 136 work cooperatively, which can provide greater total locking force to ensure that the tooling plate 140 will not loosen under extreme working conditions. Moreover, the design of the plurality of hydraulic clamping mechanisms 136 reduces the safety risk caused by failure of a single mechanism.

[0073] Further, the turnover assembly 112 includes a turnover bearing 116 with external teeth, and the turnover mechanism 110 further includes a turnover motor 113 installed on the fixed support 111. The output shaft of the turnover motor 113 is engaged with the external teeth of the turnover bearing 116 through a gear. The rotary assembly 132 includes a rotary bearing with external teeth, and the rotary mechanism 130 further includes a rotary motor 135 installed on the lifting support 131. The output shaft of the rotary motor 135 is engaged with the external teeth of the rotary bearing through a gear.

[0074] In the present embodiment, the turnover motor 113 or the rotary motor 135 drives the assembly by engaging with the external teeth of the turnover bearing 116 or the rotary bearing through a gear, which can realize accurate control of the turnover angle or the rotary angle, and can greatly improve the work efficiency compared with manual turnover or rotation. Moreover, the combination of the motor and the gear provides reliable power transmission, reduces errors caused by improper operation or human error, and can also reduce the labor intensity and physical exertion of the operator.

[0075] Optionally, as Figures 3 to 5As shown, the turnover mechanism 110 is also provided with a turnover protection assembly 115, which includes a lock gear mechanism 1151, a lock servo motor 1152 and an electromagnetic brake 1153. The lock gear mechanism 1151 is engaged with the outer teeth of the turnover bearing 116, the lock servo motor 1152 is installed on the fixed support 111, and the lock servo motor 1152 is connected with the lock gear mechanism 1151 through the electromagnetic brake 1153. When the turnover bearing 116 rotates normally, the lock gear mechanism 1151 is driven. When the turnover bearing 116 rotates abnormally, the electromagnetic brake 1153 brakes the lock gear mechanism 1151, and the lock gear mechanism 1151 brakes the turnover bearing 116 to prevent further damage and potential safety accidents. Moreover, the lock servo motor 1152, the electromagnetic brake 1153 and the lock gear mechanism 1151 are integrated in one assembly, which reduces the occupation of space and improves the integration of the heavy load positioner.

[0076] Optionally, the turnover protection assembly 115 further includes an encoder. When the rotation speed of the turnover bearing 116 or the lock gear mechanism 1151 detected by the encoder exceeds the set normal rotation speed range, the electromagnetic brake 1153 brakes the lock gear mechanism 1151. The turnover protection assembly 115 further includes a ratchet mechanism 1154, which cooperates with the lock gear mechanism 1151 to enable the lock gear mechanism 1151 to rotate only in one direction. The encoder can monitor the rotation speed of the turnover bearing 116 or the lock gear mechanism 1151 in real time to ensure that it operates within the set normal rotation speed range. When the rotation speed exceeds this range, the encoder triggers the electromagnetic brake 1153 to stop or adjust the rotation speed in time to avoid damage caused by excessive speed or too slow speed. Moreover, the ratchet mechanism 1154 cooperates with the lock gear mechanism 1151 to prevent the gear from reversing when subjected to a reverse force, ensuring that the gear can only rotate in one direction. By limiting the rotation direction of the gear, the ratchet mechanism can reduce gear wear and damage caused by incorrect operation or accidental reverse force, prolonging the service life of the equipment.

[0077] As shown, Figure 2 The connecting assembly 121 includes a matching nut 1211 with balls inside. The lifting assembly 122 includes a lifting frame 123, a lifting lead screw 124 and a lifting motor 125. The lifting lead screw 124 and the lifting motor 125 are both installed on the lifting frame 123. The lifting lead screw 124 cooperates with the matching nut 1211. The lifting motor 125 drives the lifting lead screw 124 to rotate. The lifting lead screw 124 drives the lifting frame 123 to lift under the condition of rotation. The slewing mechanism 130 lifts with the lifting frame 123.

[0078] In this embodiment, the ball arranged in the cooperating nut 1211 can reduce the friction between the lead screw and the nut, making the lifting movement more stable, reducing wear and tear, and reducing maintenance cost and frequency. The lifting motor 125 drives the lifting lead screw 124 to rotate, driving the lifting frame 123 to lift, and the height of the lifting frame 123 can be adjusted. Moreover, through the fixed slide 114 on the lifting guide rail 126, the lifting of the slewing mechanism 130 becomes stable, reducing unnecessary vibration and avoiding wear and tear and safety hazards caused thereby. The slewing mechanism 130 can be lifted with the lifting frame 123, and combined with the 360° rotation of the slewing mechanism 130 itself, the slewing mechanism 130 can rotate while lifting without manual handling, improving the efficiency of maintenance.

[0079] Optionally, as shown in Figure 6 The lifting protection assembly 127 is arranged on the connecting assembly 121, and the lifting protection assembly 127 locks the lifting lead screw 124 when the cooperating nut 1211 or the lifting lead screw 124 is abnormal. The lifting protection assembly 127 can lock the lifting lead screw 124 when the cooperating nut 1211 or the lifting lead screw 124 is abnormal, preventing further damage and potential safety accidents.

[0080] Optionally, as shown in Figure 7 The connecting assembly 121 can further include a driven nut 1212, a nut mounting bracket 1213, and a nut anti-falling mounting plate 1214, etc. The cooperating nut 1211 and the driven nut 1212 are engaged through the lifting lead screw 124 screw roller, the nut mounting bracket 1213 is connected with the cooperating nut 1211 through screws, the nut anti-falling mounting plate 1214 and the nut mounting bracket 1213 are fixed through shaft pins and screws, and the nut anti-falling mounting plate 1214 is connected with the driven nut 1212. Through the design of the nut anti-falling mounting plate 1214 and the driven nut 1212, the accidental falling of the lifting lead screw 124 and the connecting assembly caused by the failure of the cooperating nut 1211 can be prevented, protecting the safety of the operators and the equipment. When the cooperating nut 1211 is normally running, the driven nut 1212 does not participate in the load, which can reduce unnecessary wear and tear and maintenance requirements. When the cooperating nut 1211 fails, the cooperating nut 1211 and the driven nut 1212 form a reverse backlash combination, which can prevent the rotation of the lifting lead screw 124, preventing further damage and potential safety accidents.

[0081] Optionally, in an embodiment not shown in the scheme, the slewing mechanism 130 further has a turnover swing arm 134, through which the angle of the lifting frame 123 relative to the lifting support 131 can be adjusted, increasing the flexibility and adaptability of the operation. Moreover, the turnover swing arm 134 can also increase the stability of the entire structure, especially when the turnover operation is performed, better support and balance can be provided.

[0082] The rotating mechanism 130 further comprises a plurality of tooling plates 140 of different sizes, any one of which is detachably mounted on the rotating assembly 132, and is used to connect with the electric wheel 100 of the matched size to mount the electric wheel 100 on the rotating assembly 132. The mining truck electric wheel maintenance system further comprises a tooling rack 70 for placing the tooling plates 140.

[0083] In this embodiment, the plurality of tooling plates 140 of different sizes can adapt to electric wheels 100 of different specifications, enhancing the adaptability and flexibility of the mining truck electric wheel maintenance system. The tooling plates 140 are detachable, reducing the time required for replacing the tooling plates 140 and improving the maintenance efficiency. The tooling rack 70 provides a dedicated place to store and maintain the tooling plates 140, facilitating quick access and returning, helping to prevent the loss or damage of the tooling plates 140, and reducing the time wasted by the operator in searching for the tooling plates.

[0084] Further, the dismounting robot 40 comprises a six-axis industrial robot and a hydraulic dismounting mechanism. The six-axis industrial robot is mounted on the electric translation platform 30, and the hydraulic dismounting mechanism is mounted on the six-axis industrial robot to move by the six-axis industrial robot. The hydraulic dismounting mechanism is used to dismount the bolts on the electric wheel 100 located on the three-axis heavy load positioner 20.

[0085] In this embodiment, the hydraulic dismounting mechanism comprises a hydraulic cylinder, a connecting head, a control valve, etc. When it is necessary to dismount the bolts on the electric wheel 100, the hydraulic pump in the hydraulic pump station is started, the hydraulic oil is delivered to the hydraulic cylinder through the pipeline, the control valve on the hydraulic dismounting mechanism can control the direction and speed of the hydraulic oil flow, so that the piston of the hydraulic cylinder can move forward, the connecting head on the hydraulic cylinder contacts and exerts pressure on the bolt, making the bolt start to loosen or tighten. The pressure can be adjusted by adjusting the control valve until the bolt is completely loosened or tightened. When a bolt is dismounted, the control valve can be reversed to make the hydraulic cylinder piston retract, and the dismounting work of the next bolt can continue.

[0086] Specifically, when the electric wheel 100 needs to be disassembled, the six-axis industrial robot located on the electric translation platform 30 and carrying the hydraulic disassembly mechanism starts to work, drives the hydraulic disassembly mechanism to move, so that the hydraulic disassembly mechanism end sleeve reaches directly above the bolt to be disassembled, then the six-axis industrial robot descends and rotates slowly in combination with the hydraulic disassembly mechanism, so that the hydraulic disassembly mechanism successfully recognizes the cap, and after the cap recognition is completed, the hydraulic disassembly mechanism disassembles the bolt, and the operation is sequentially cycled until all the bolts on the electric wheel 100 are disassembled, and the component disassembly work is completed. Through the automatic operation of the six-axis industrial robot and the hydraulic disassembly mechanism, manual participation can be reduced, and production efficiency and safety can be improved. Moreover, the hydraulic disassembly mechanism can accurately control torque and position, ensure the accuracy during bolt disassembly, and reduce human error; and can also adjust the pressure and speed as needed to adapt to bolts of different sizes and materials, thereby increasing the application range of the mine truck electric wheel maintenance system. Through the present scheme, a large amount of manual work can be saved, labor intensity can be reduced, and maintenance efficiency can be improved.

[0087] Optionally, in an embodiment not shown in the present scheme, the hydraulic disassembly mechanism includes a hydraulic wrench, a counterforce arm, a lifting cylinder, etc. The lifting cylinder is located at one end of the hydraulic disassembly mechanism connected with the six-axis industrial robot, and the hydraulic wrench is located at the other end of the hydraulic disassembly mechanism. When the bolts on the electric wheel 100 are disassembled, the six-axis industrial robot drives the hydraulic disassembly mechanism to reach above the bolt to be disassembled. Due to the large gravity of the hydraulic disassembly mechanism, the lifting function of the lifting cylinder is used to adjust the pressure of the hydraulic disassembly mechanism on the bolt to be disassembled to zero, and then the hydraulic wrench starts to disassemble the bolt to be disassembled until all the bolts are disassembled. Moreover, the counterforce arm can offset the torque generated during bolt disassembly to prevent damage to the hydraulic disassembly mechanism.

[0088] As shown in Figure 3 The electric lifting platform 50 includes a moving track 51, a scissor mechanism 52, and a bearing platform 53. The scissor mechanism 52 is horizontally movably arranged on the moving track 51, and the bearing platform 53 is arranged at the top end of the scissor mechanism 52. The scissor mechanism 52 is used to drive the bearing platform 53 to ascend and descend, and the disassembly assisting device 60 is installed on the bearing platform 53.

[0089] In the embodiment, the base of the scissor mechanism 52 is connected with the moving track 51 through a roller, the carrying platform 53 is arranged at the top end of the scissor mechanism 52, the movement of the carrying platform 53 on the moving track 51 is realized by driving the roller through a motor, the flexibility of the operation is increased, a larger working area can be covered, and different sizes of the electric wheel 100 can be adapted. The scissor mechanism 52 can also drive the carrying platform 53 to ascend and descend, so that the working height can be adjusted as required to adapt to different working requirements of different heights. Moreover, the disassembly and assembly assisting device 60 is installed on the carrying platform 53, so that the operator can directly work at the working height to disassemble and assemble the electric wheel 100 more labor-savingly, and the convenience and efficiency of the maintenance are improved.

[0090] The electric lifting platform 50 further comprises a limit position sensor, which is configured to detect whether the carrying platform 53 moves to a safe distance from the three-axis heavy load positioner 20. In the case that the carrying platform 53 moves to the safe distance from the three-axis heavy load positioner 20, the three-axis heavy load positioner 20 can move.

[0091] In the embodiment, the limit position sensor is configured to detect whether the movement of the carrying platform 53 is in place. When the carrying platform 53 moves away from the electric wheel 100 to the farthest end, the three-axis heavy load positioner 20 can be flipped. When the carrying platform 53 moves close to the electric wheel 100 to the nearest end, the three-axis heavy load positioner 20 cannot be flipped, lifted or rotated. The limit position sensor can ensure that a safe distance is maintained between the carrying platform 53 and the three-axis heavy load positioner 20 to prevent collision, facilitate manual maintenance work, and ensure the safety of the operator and the equipment. Through the detection of the limit position sensor, the manual judgment and measurement required by the operator are reduced, and the errors caused by human factors are reduced, so that potential safety hazards are avoided.

[0092] As shown in Figure 1 The disassembly and assembly assisting device 60 comprises a first assisting arm 61, a hydraulic wrench, a second assisting arm 62 and an electric wrench. The first assisting arm 61 is installed on the electric lifting platform 50, the hydraulic wrench is installed at the end of the first assisting arm 61, the second assisting arm 62 is installed on the electric lifting platform 50, and the electric wrench is installed at the end of the second assisting arm 62.

[0093] In the embodiment, the first assisting arm 61 and the second assisting arm 62 are arranged to enable the wrench to flexibly reach different working positions and cover a larger working range. The combination of the assisting arms and the wrenches reduces the force required by the operator to manually tighten or loosen the bolts, and reduces the labor intensity. Moreover, the hydraulic wrench and the electric wrench can accurately control the torque to ensure that the bolts are uniformly and accurately tightened or loosened, and damage caused by uneven torque is avoided.

[0094] As shown in Figure 1As shown, the electric wheel maintenance system of the mining truck further comprises a waste oil recovery device 80, the waste oil recovery device 80 comprising an oil bucket and a driving pump assembly for sucking waste oil in the electric wheel 100 located on the three-axle heavy load positioner 20 into the oil bucket, and the electric wheel maintenance system of the mining truck further comprises an electric control system 90, the three-axle heavy load positioner 20, the electric translation platform 30, the disassembly robot 40, and the electric lifting platform 50 are electrically connected with the electric control system 90.

[0095] In this embodiment, after the maintenance work is completed, the three-axle heavy load positioner 20 rotates the electric wheel 100 by 90°, then opens the driving pump assembly, and sucks the oil in the electric wheel 100 through the waste oil recovery device 80, discharges the sucked oil into the oil bucket through the pipeline, and finally concentrates the treatment. The waste oil recovery device 80 can effectively prevent the waste oil from leaking into the environment and reduce the pollution to the surrounding environment. The collected waste oil can also be treated and reused to reduce resource waste. Moreover, the electric control system can realize unified control of multiple devices such as the three-axle heavy load positioner 20, the electric translation platform 30, the disassembly robot 40, and the electric lifting platform 50, thereby improving the operation efficiency.

[0096] The electric wheel maintenance system of the mining truck provided in the present application realizes omnibearing adjustment and automatic disassembly of the electric wheel 100 by integrating the three-axle heavy load positioner 20, the electric translation platform 30, the disassembly robot 40, the electric lifting platform 50, and the disassembly assisting device 60, thereby improving the maintenance efficiency and safety. The automatic devices in the electric wheel maintenance system of the mining truck reduce manual operation and reduce labor intensity. Meanwhile, through accurate positioning and control, the accuracy and reliability of the disassembly process are ensured. In addition, the setting of the waste oil recovery device 80 effectively avoids the leakage of waste oil during the maintenance process, thereby protecting the environment.

[0097] Moreover, compared with the current manual overall disassembly method, the electric wheel maintenance system of the mining truck provided in the present application has the following advantages and benefits:

[0098] 1. The three-axle heavy load positioner 20 is combined with the disassembly robot 40 for application, the disassembly robot 40 can automatically complete the operation requirements of overturning, rotating, and lifting by controlling the three-axle heavy load positioner 20 through the electric control system 90, the transmission during the overturning process of the electric wheel 100 is stable, the operation is safe, and the efficiency is high.

[0099] 2. The disassembly assisting device 60 and the hydraulic wrench carried at the end of the assisting arm can reduce the operation intensity of the staff. The assisting arm is a pneumatic suspension arm, the operating force is less than 3N, and the operator can easily move the hydraulic wrench to the specified bolt position for disassembly operation.

[0100] 3. The operator can control the electrically-controlled system 90 to control the electrically-driven translation platform 30, the electrically-driven lifting platform 50 and the three-axis heavy-load positioner 20 to adjust to a suitable position, so as to facilitate disassembly and assembly of the electrically-driven wheel 100.

[0101] The above merely provides optional embodiments of the present application, and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall fall within the protection scope of the present application.

[0102] It should be noted that the terms used herein are merely for the purpose of describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprise" and / or "include" when used in this specification, specify the presence of stated features, steps, operations, devices, components and / or combinations thereof.

[0103] The relative arrangement of components and steps, numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application, unless otherwise specifically stated. It should be understood that the dimensions of the various parts shown in the drawings are not drawn to scale for the purpose of convenience of description. The techniques, methods and devices known to those of ordinary skill in the relevant art can not be discussed in detail, but should be considered as part of the specification, if appropriate. In all examples shown and discussed herein, any specific value should be interpreted as merely exemplary, and not as a limitation. Therefore, other examples of exemplary embodiments can have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, and therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

[0104] In the description of the present application, it should be understood that the orientation words such as "front, rear, upper, lower, left, right", "transverse, vertical, perpendicular, horizontal" and "top, bottom" and the like indicate the orientation or positional relationship shown in the drawings, which are merely for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation or be constructed and operated in a particular orientation, unless otherwise stated, and therefore cannot be understood as limiting the scope of protection of the present application; the orientation words "inner, outer" refer to the inner and outer relative to the contour of the components themselves.

[0105] For purposes of the description hereinafter, spatial relative terms, such as "above", "below", "upper", "lower", and the like, can be used to describe the relative position of one device or feature to another device or feature as illustrated in the figures. It will be understood that the spatial relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientations depicted in the figures. For example, if a device in the figures is inverted, then a device described as "above" or "up" of other devices or structures can be oriented "below" or "down" relative to such other devices or structures. Accordingly, the exemplary terms "above" and "below" can encompass both an orientation of above and below. The devices can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

[0106] In addition, it should be noted that the use of "first", "second", and the like, terminology to describe various components in the above description is used only for the convenience of the reader and is in no way intended to limit the scope of the application.

Claims

1. A mine truck electric wheel service system, characterized in that, The device comprises a three-axis heavy load positioner (20), an electric translation platform (30), a ground rail mechanism (11), a disassembly robot (40), an electric lifting platform (50) and a disassembly assisting device (60); the three-axis heavy load positioner (20) comprises a turnover mechanism (110), a lifting mechanism (120) and a rotating mechanism (130), the turnover mechanism (110) is installed on a foundation (10), the lifting mechanism (120) is installed on the turnover mechanism (110), the rotating mechanism (130) is installed on the lifting mechanism (120), and the rotating mechanism (130) carries an electric wheel (100) to be overhauled, wherein the rotating mechanism (130) is used to drive the electric wheel (100) to rotate along a vertical center line, the lifting mechanism (120) is used to drive the electric wheel (100) to lift, and the turnover mechanism (110) is used to drive the electric wheel (100) to rotate along a horizontal center line; the electric translation platform (30) is horizontally movably arranged on the foundation (10), the electric translation platform (30) is used to carry an operator, the ground rail mechanism (11) is installed on the foundation, the disassembly robot (40) is installed on the ground rail mechanism (11) to be integrally translated by the ground rail mechanism (11), and the disassembly robot (40) is used to disassemble and assemble the electric wheel (100) located on the three-axis heavy load positioner (20); the electric lifting platform (50) is located on a side, away from the electric translation platform (30), of the three-axis heavy load positioner (20), the electric lifting platform (50) is liftably arranged on the foundation (10), the electric lifting platform (50) is used to carry an operator, and the disassembly assisting device (60) is installed on the electric lifting platform (50) and used for the operator to disassemble and assemble the electric wheel (100); The turnover mechanism (110) comprises a fixed support (111) and a turnover assembly (112), the fixed support (111) is fixed on the foundation (10), and the turnover assembly (112) is rotatably arranged on the fixed support (111); the lifting mechanism (120) comprises a connecting assembly (121) and a lifting assembly (122), the connecting assembly (121) is installed on the turnover assembly (112), and the lifting assembly (122) is liftably installed on the connecting assembly (121); the rotating mechanism (130) comprises a lifting support (131), a rotating assembly (132) and a locking structure (133), the lifting support (131) is installed on the lifting assembly (122), the rotating assembly (132) is rotatably arranged on the lifting support (131), a rotation center line of the rotating assembly (132) is vertically arranged, the rotating assembly (132) is used to carry the electric wheel (100), and the locking structure (133) is arranged on the rotating assembly (132) and used to lock the electric wheel (100) on the rotating assembly (132). The connecting assembly (121) comprises a matching nut (1211) provided with a ball inside, the lifting assembly (122) comprises a lifting frame (123), a lifting screw rod (124) and a lifting motor (125), the lifting screw rod (124) and the lifting motor (125) are both installed on the lifting frame (123), the lifting screw rod (124) is matched with the matching nut (1211), the lifting motor (125) drives the lifting screw rod (124) to rotate, the lifting screw rod (124) drives the lifting frame (123) to lift in the case of rotating, and the slewing mechanism (130) lifts with the lifting frame (123).

2. The electric wheel maintenance system of the mine truck according to claim 1, characterized in that, The turnover assembly (112) comprises a turnover bearing (116) provided with external teeth, the turnover mechanism (110) further comprises a turnover motor (113) installed on the fixed support (111), and an output shaft of the turnover motor (113) is meshed with the external teeth of the turnover bearing (116) through a gear. The slewing assembly (132) comprises a slewing bearing provided with external teeth, the slewing mechanism (130) further comprises a slewing motor (135) installed on the lifting support (131), and an output shaft of the slewing motor (135) is meshed with the external teeth of the slewing bearing through a gear.

3. The mine truck electric wheel service system of claim 1, wherein, The slewing mechanism (130) further comprises a plurality of tooling plates (140) of different sizes, any one of the tooling plates (140) is detachably installed on the slewing assembly (132), the tooling plate (140) is used for being connected with the electric wheel (100) matched in size, so as to install the electric wheel (100) on the slewing assembly (132), and the mine truck electric wheel maintenance system further comprises a tooling rack (70) used for placing the tooling plate (140).

4. The mine truck electric wheel service system of claim 1, wherein, The dismounting robot (40) comprises a six-axis industrial robot and a hydraulic dismounting mechanism, the six-axis industrial robot is installed on the electric translation platform (30), the hydraulic dismounting mechanism is installed on the six-axis industrial robot, so that the hydraulic dismounting mechanism is driven to move by the six-axis industrial robot, and the hydraulic dismounting mechanism is used for dismounting the bolt on the electric wheel (100) of the three-axis heavy load positioner (20).

5. The mine truck electric wheel service system of claim 1, wherein, The electric lifting platform (50) comprises a moving track (51), a scissor mechanism (52) and a bearing platform (53), the scissor mechanism (52) is movably arranged on the moving track (51), the bearing platform (53) is arranged at the top end of the scissor mechanism (52), the scissor mechanism (52) is used for driving the bearing platform (53) to lift, and the dismounting assisting device (60) is installed on the bearing platform (53).

6. The mine truck electric wheel service system of claim 5, wherein, The electric lifting platform (50) further comprises a limit position sensor for detecting whether the bearing platform (53) moves to a safe distance from the three-axle heavy load positioner (20), and the three-axle heavy load positioner (20) can move only when the bearing platform (53) moves to the safe distance from the three-axle heavy load positioner (20).

7. The mine truck electric wheel service system of claim 1, wherein, The disassembly and assembly assisting device (60) comprises a first assisting arm (61), a hydraulic wrench, a second assisting arm (62) and an electric wrench, the first assisting arm (61) is installed on the electric lifting platform (50), the hydraulic wrench is installed at the end of the first assisting arm (61), the second assisting arm (62) is installed on the electric lifting platform (50), and the electric wrench is installed at the end of the second assisting arm (62).

8. The mine truck electric wheel service system of claim 1, wherein, The mine truck electric wheel overhauling system further comprises a waste oil recovery device (80), the waste oil recovery device (80) comprises an oil drum and a driving pump assembly, the driving pump assembly is used for sucking waste oil in an electric wheel (100) on the three-axle heavy load positioner (20) into the oil drum, and the mine truck electric wheel overhauling system further comprises an electric control system (90), and the three-axle heavy load positioner (20), the electric translation platform (30), the disassembly and assembly robot (40) and the electric lifting platform (50) are electrically connected with the electric control system (90).

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