A trolley-wire type pure electric unmanned mining dump truck

Abstract

The present invention discloses an overhead-wire type pure electric unmanned mining dump truck, which includes: a vehicle frame, an overhead-wire power supply replenishment device, an overhead-wire control cabinet, a control cabinet, a camera module, and a battery module. The battery module is detachably installed on the vehicle frame; the overhead-wire power supply replenishment device is electrically connected to the overhead-wire control cabinet and the control cabinet respectively; when the vehicle is climbing a long slope under heavy load, the control cabinet can control the overhead-wire power supply replenishment device to contact the overhead wire to receive current, and the current is transmitted towards the battery module through the overhead-wire control cabinet to achieve the purpose of energy replenishment; when the vehicle drives out of the overhead-wire section, the control cabinet can control the overhead-wire power supply replenishment device to separate from the overhead wire. The whole vehicle can realize the energy replenishment of the battery through the overhead-wire power supply replenishment device, effectively reducing the power consumption of the battery module and significantly improving the endurance of the whole vehicle.

Description

Technical Field

[0001] The present invention relates to the technical field of mining dump trucks, and in particular to an overhead-wire pure electric unmanned mining dump truck. Background Art

[0002] With the construction of intelligent mines, the trend of intelligent, green and unmanned mining trucks is obvious, and pure electric driverless mining trucks have received increasing attention.

[0003] In the prior art, driverless mining trucks are mainly divided into three categories. One is a mining truck obtained by upgrading an unmanned mining dump truck with a wire control system. Generally, an environmental perception system, a remote control system, a control system, etc. are installed on it. Since this kind of driverless mining truck does not change the original vehicle structure, it does not realize the overall electrification design, and its transportation efficiency and safety have not been fundamentally improved. Essentially, it belongs to a transitional solution. The second is a hybrid two-way driverless mining truck, which solves the problems of large fuel consumption of the engine of traditional mining trucks and pollution caused by exhaust gas, but does not completely eliminate exhaust gas. At the same time, a fuel power device is retained on the whole machine, and the overall electrification design is not realized, resulting in problems of unstable driving force and weak energy feedback ability. The third is a pure electric two-way driverless mining truck, which completely solves the problem of tail gas emission. However, due to the limitation of battery density, it is difficult to support the climbing demand under the operating conditions, and it needs to stop for charging after the whole vehicle runs for a period of time, thus affecting the production work efficiency. Summary of the Invention

[0004] In view of this, the present invention provides an overhead-wire pure electric unmanned mining dump truck, which realizes the overall electrification design, is driven by pure electricity, has stable and reliable driving force, and has good endurance.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] An overhead-wire pure electric unmanned mining dump truck, comprising: a vehicle frame, an overhead-wire power supply replenishment device, an overhead-wire control cabinet, a control cabinet, a camera module, and a battery module.

[0007] Among them, a deck is provided on the front side of the vehicle frame, and the overhead line charging device, the overhead line control cabinet, and the control cabinet are all installed on the deck; the camera module is electrically connected to the control cabinet, and multiple groups of camera modules are provided. The multiple groups of camera modules are respectively arranged around the vehicle, and the control cabinet controls the vehicle to travel according to the signals fed back by the camera modules; the battery module is detachably installed on the vehicle frame and is electrically connected to the overhead line control cabinet, and the battery module is used to supply power to the whole vehicle; the overhead line charging device is electrically connected to the overhead line control cabinet and the control cabinet respectively; when the vehicle climbs a long slope with a heavy load, the control cabinet can control the overhead line charging device to contact the overhead line to receive current, and the current is transmitted towards the battery module through the overhead line control cabinet to achieve the purpose of energy replenishment; when the vehicle drives out of the overhead line section, the control cabinet can control the overhead line charging device to separate from the overhead line.

[0008] Preferably, the overhead line charging device includes a pantograph, a pantograph support, an electric cylinder support, and a communication device; two sets of support rails are provided on the pantograph support, and the two sets of support rails are symmetrically arranged at both ends of the pantograph support. The front end of the support rail has an opening, and a baffle is provided at the rear end; two electric cylinder supports are provided, and electric cylinders are installed on both electric cylinder supports. Both electric cylinder supports are respectively slidably assembled on the two sets of support rails through the electric cylinders, and the telescopic end of the electric cylinder is fixedly connected to the baffle. The electric cylinder is electrically connected to the control cabinet; the pantograph is installed on the pantograph support through the electric cylinder support; the communication device is installed on the pantograph support, and the communication device is electrically connected to the control cabinet. The communication device is used to feed back the obtained overhead line base station signal to the control cabinet so that the control cabinet controls the electric cylinder to expand and contract, and at the same time, controls the pantograph to raise the bow to contact the overhead line or lower the bow to separate from the overhead line.

[0009] Preferably, the battery module includes a first battery group and a second battery group. Two sets of the first battery group are respectively detachably installed on both sides of the vehicle frame; one set of the second battery group is detachably installed in the middle of the vehicle frame.

[0010] Preferably, a fixed support and two fixed bases are respectively provided on both sides of the vehicle frame. The two fixed bases are both located above the fixed support and are arranged parallel to each other at intervals in the front and rear; cylindrical hanging ears are provided on both sides of the first battery group, and the two cylindrical hanging ears are respectively hinged and fixed on the two fixed bases; one side of the first battery group facing the vehicle frame is bolted to the fixed support.

[0011] Preferably, the fixed base includes a base body and a mounting block. The mounting block is bolted to the base body. A first arc-shaped groove is provided on the base body, and a second arc-shaped groove opposite to the first arc-shaped groove is provided on the mounting block. The first arc-shaped groove and the second arc-shaped groove cooperate to form a mounting hole, and the cylindrical hanging ear is assembled in the mounting hole.

[0012] Preferably, a shock-absorbing block is provided between the fixed bracket and the first battery pack.

[0013] Preferably, charging ports are provided on the outer sides of both of the first battery packs, and any one of the charging ports can charge both groups of the first battery packs and one group of the second battery packs simultaneously.

[0014] Preferably, the vehicle frame includes a first longitudinal beam and a second longitudinal beam. Two sets of guide rails are respectively provided on the inner side walls of the middles of the first longitudinal beam and the second longitudinal beam. The two sets of guide rails are arranged in parallel at intervals in the front-rear direction, and the bottom of the guide rail has a lower bottom cover; two strip-shaped hanging ears are respectively provided on both sides of the second battery pack. The two strip-shaped hanging ears on one side of the second battery pack are respectively matched with two sets of guide rails on one side, and the bottom of the strip-shaped hanging ear abuts against the lower bottom cover, so that the second battery pack can be suspended and installed in the middle of the vehicle frame.

[0015] Preferably, an upper top cover is further provided on the top of the guide rail. After the second battery pack is suspended and installed, the upper top cover is bolted to the upper opening of the guide rail to close the upper opening of the guide rail.

[0016] Preferably, the overhead-wire type pure electric unmanned mining dump truck further includes an antenna device and a resistance cabinet. The resistance cabinet is installed on the deck. The antenna device includes an antenna bracket and an antenna module. The antenna bracket is erected on the deck, and the antenna module is rotatably installed at the top end of the antenna bracket.

[0017] Preferably, a shielding eaves is provided at the front end of the cargo box. The shielding eaves is located above the deck, and the overhead-wire power supply device, the antenna device, the overhead-wire control cabinet, the resistance cabinet and the control cabinet are all within the shielding range of the shielding eaves.

[0018] Preferably, the overhead-wire type pure electric unmanned mining dump truck further includes an electric lifting cylinder. The electric lifting cylinder is installed on the front side of the vehicle frame. The electric lifting cylinder is in transmission connection with the front side of the bottom of the cargo box. The electric lifting cylinder is electrically connected to the control cabinet, and the control cabinet is used to control the telescopic movement of the electric lifting cylinder to realize the lifting or lowering of the cargo box.

[0019] Preferably, drive axles are provided at both the front and the rear of the chassis of the vehicle frame. The two drive axles are exactly the same, and the drive axles are connected to the vehicle frame through oil-gas suspensions and triangular supports.

[0020] Preferably, a hub drive motor is provided inside the drive axle. The hub drive motor can independently drive each group of tires, and the hub drive motor is electrically connected to the control cabinet.

[0021] Preferably, the trolley-wire type pure electric unmanned mining dump truck further includes a front cover plate. The front cover plate is fixedly connected to the front end of the vehicle frame, and the upper side of the front cover plate is fixedly connected to the front end face of the deck.

[0022] Advantages of the present application: Compared with the prior art, a trolley-wire type pure electric unmanned mining dump truck disclosed in the present application can achieve energy replenishment of the battery through a trolley-wire power supply device, so that when the whole vehicle passes through a climbing section, the battery module can continuously and stably supply electric energy to the whole vehicle, avoiding the situation that the whole vehicle stops because the battery module cannot continue to drive the whole vehicle due to insufficient electric energy, or the situation that the running speed of the whole vehicle drops significantly; in addition, since the trolley-wire power supply device replenishes a large amount of electric energy consumed by the battery module when the whole vehicle passes through a climbing section, not only the electric energy consumption of the battery module is effectively reduced, but also the endurance of the whole vehicle is significantly improved.

[0023] Additional aspects and advantages of the present invention will be given in part in the following description, become apparent in part from the following description, or be learned through the practice of the present invention. Description of the Drawings

[0024] Figure 1 is a schematic structural diagram of the trolley-wire type pure electric unmanned mining dump truck (first perspective) disclosed in the embodiment of the present application;

[0025] Figure 2 is a schematic structural diagram of the trolley-wire type pure electric unmanned mining dump truck (second perspective) disclosed in the embodiment of the present application;

[0026] Figure 3 is a schematic structural diagram of the trolley-wire type pure electric unmanned mining dump truck (third perspective) disclosed in the embodiment of the present application;

[0027] Figure 4 is a schematic structural diagram of the battery module (first perspective) of the trolley-wire type pure electric unmanned mining dump truck disclosed in the embodiment of the present application;

[0028] Figure 5 is a partial enlarged view of the first battery pack of the trolley-wire type pure electric unmanned mining dump truck disclosed in the embodiment of the present application;

[0029] Figure 6It is a schematic structural diagram of the battery module (second perspective) of the overhead electric pure electric unmanned mining dump truck disclosed in the embodiments of the present application;

[0030] Figure 7 It is a schematic structural diagram of the overhead power supply device (when retracted) of the overhead electric pure electric unmanned mining dump truck disclosed in the embodiments of the present application;

[0031] Figure 8 It is a schematic structural diagram of the overhead power supply device (when moving forward) of the overhead electric pure electric unmanned mining dump truck disclosed in the embodiments of the present application.

[0032] Reference numerals:

[0033] 1, vehicle frame; 11, deck; 12, first longitudinal beam; 13, second longitudinal beam; 14, fixed bracket; 15, fixed base; 16, shock absorber block; 17, guide rail; 151, base body; 152, mounting block; 171, upper top cover;

[0034] 2, overhead power supply device; 21, pantograph; 22, pantograph support; 23, electric cylinder support; 24, communication device; 221, support guide rail; 2211, baffle;

[0035] 3, battery module; 31, first battery pack; 32, second battery pack; 311, cylindrical hanging ear; 312, charging port; 321, strip-shaped hanging ear;

[0036] 4, overhead power supply control cabinet; 5, control cabinet; 6, resistor cabinet;

[0037] 7, antenna device; 71, antenna support; 72, antenna module;

[0038] 8, cargo box; 81, shielding brim;

[0039] 9, electric lifting cylinder; 10, drive axle; 20, oil-gas suspension; 30, triangular support; 40, front cover plate. Detailed implementation manners

[0040] The present invention discloses an overhead electric pure electric unmanned mining dump truck, the whole machine of which realizes an electrified design, adopts pure electric drive, has stable and reliable driving force, and has good endurance.

[0041] The embodiments of the present invention will be described in detail below. The examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions from beginning to end. The embodiments described below with reference to the drawings are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0042] In addition, the terms "first" and "second" are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, "a plurality of" means two or more unless otherwise specifically defined.

[0043] The following refers to Figures 1 to 8 the trolley-wire type pure electric unmanned mining dump truck in the embodiments of the present invention.

[0044] An embodiment of the present application discloses a trolley-wire type pure electric unmanned mining dump truck, including: a vehicle frame 1, a trolley-wire power supply device 2, a trolley-wire control cabinet 4, a control cabinet 5, a camera module, and a battery module 3.

[0045] Wherein, a deck 11 is provided on the front side of the vehicle frame 1, and the trolley-wire power supply device 2, the trolley-wire control cabinet 4, and the control cabinet 5 are all installed on the deck 11; the camera module is electrically connected to the control cabinet 5, and multiple groups of camera modules are provided, and the multiple groups of camera modules are respectively arranged around the vehicle, and the control cabinet 5 controls the vehicle to travel according to the signals fed back by the camera module; the coordinated cooperation between the camera module and the control cabinet 5 can realize the unmanned driving function of the whole vehicle.

[0046] The battery module 3 is detachably installed on the vehicle frame 1, the battery module 3 is electrically connected to the trolley-wire control cabinet 4, and the battery module 3 is used to supply power to the whole vehicle; the trolley-wire power supply device 2 is respectively electrically connected to the trolley-wire control cabinet 4 and the control cabinet 5; when the vehicle is climbing a long slope with a heavy load, the control cabinet 5 can control the trolley-wire power supply device 2 to contact the trolley wire to receive current, and the current is transmitted towards the battery module 3 through the trolley-wire control cabinet 4 to achieve the purpose of energy replenishment; the trolley-wire control cabinet 4 can step down the current so that the voltage of the transmitted current meets the charging specifications of the battery module 3; when the vehicle drives out of the trolley-wire section, the control cabinet 5 can control the trolley-wire power supply device 2 to separate from the trolley wire.

[0047] The whole vehicle can achieve energy replenishment of the battery through the trolley-wire power supply device 2, so that when the whole vehicle passes through a climbing section, the battery module 3 can continuously and stably supply electric energy to the whole vehicle, avoiding the situation that the whole vehicle stalls because the battery module 3 cannot continue to drive the whole vehicle due to insufficient electric energy, or the situation that the running speed of the whole vehicle drops significantly; in addition, since the trolley-wire power supply device 2 replenishes a large amount of electric energy consumed by the battery module 3 when the whole vehicle passes through a climbing section, not only the electric energy consumption of the battery module 3 is effectively reduced, but also the endurance of the whole vehicle is significantly improved.

[0048] In some embodiments, for example Figure 1 、 Figure 6 、 Figure 7 and Figure 8As shown in the figure, the overhead line charging device 2 includes a pantograph 21, a pantograph support 22, an electric cylinder support 23, and a communication device 24. The pantograph support 22 is provided with support rails 221. There are two sets of support rails 221, which are symmetrically arranged at both ends of the pantograph support 22. The front end of the support rail 221 has an opening, and a baffle 2211 is provided at the rear end. There are two electric cylinder supports 23. Electric cylinders are installed on both electric cylinder supports 23. Both electric cylinder supports 23 are slidably assembled on the two sets of support rails 221 through the electric cylinders respectively. The telescopic end of the electric cylinder is fixedly connected to the baffle 2211. The electric cylinder is electrically connected to the control cabinet 5. The pantograph 21 is installed on the pantograph support 22 through the electric cylinder support 23. The communication device 24 is installed on the pantograph support 22. The communication device 24 is electrically connected to the control cabinet 5. The communication device 24 is used to feedback the obtained overhead line base station signal to the control cabinet 5, so that the control cabinet 5 controls the expansion and contraction of the electric cylinder, and at the same time, controls the pantograph 21 to raise the bow to contact the overhead line or retract the bow to separate from the overhead line.

[0049] The pantograph 21 is used to contact the overhead line to receive the current on the overhead line, and convey the current to the battery module 3 through the overhead line control cabinet 4 to supplement electric energy to the battery module 3. The electric cylinder support 23 is not only used to install the pantograph 21 on the pantograph support 22, but also the electric cylinder on the electric cylinder support 23 can drive the pantograph 21 to move on the support rail 221 of the pantograph support 22, so as to adjust the position of the pantograph 21 in the front-rear direction. In this way, the control cabinet 5 controls the coordinated cooperation between the pantograph 21 and the electric cylinder, so that the pantograph 21 can move to a suitable position to raise the bow and contact the overhead line, thereby effectively ensuring the stable contact between the pantograph 21 and the overhead line. If the contact between the pantograph 21 and the overhead line is unstable, the control cabinet 5 can use the coordinated action between the pantograph 21 and the electric cylinder again to adjust the position of the pantograph 21, so that the pantograph 21 is in stable contact with the overhead line, thereby effectively ensuring the safe driving of the vehicle.

[0050] Furthermore, if the pantograph 21 still cannot be stably contacted with the overhead line after adjusting the position, the control cabinet 5 will control the pantograph 21 to retract the bow and control the electric cylinder to act, so that the pantograph 21 returns to the initial position. During this period, the whole vehicle is still powered by the battery module 3, which will not affect the operation of the vehicle, thereby ensuring the driving safety and transportation efficiency of the vehicle.

[0051] In some embodiments, for example Figures 1 to 6 As shown in the figure, the battery module 3 includes a first battery pack 31 and a second battery pack 32. There are two sets of first battery packs 31, and the models of the two sets of first battery packs 31 are the same. The two sets of first battery packs 31 are respectively detachably installed on both sides of the vehicle frame 1. There is one set of second battery packs 32, and the second battery pack 32 is detachably installed in the middle of the vehicle frame 1.

[0052] The first battery pack 31 and the second battery pack 32 are both installed on the frame 1 in a detachable connection manner. In this way, when the battery pack is exhausted, the battery pack can be easily replaced to achieve rapid battery replacement, thereby avoiding affecting the transportation efficiency; two groups of first battery packs 31 of the same model can replace each other, thereby facilitating the recycling of the battery packs; in addition, the frame 1 as a whole adopts a pure flat structure, thereby facilitating the arrangement of the first battery pack 31 and the second battery pack 32. Since the frame 1 as a whole is a pure flat structure design and the chassis of the frame 1 is flat, the battery replacement operation can be completed by a battery replacement cart, thereby significantly improving the battery replacement efficiency and reducing the impact on transportation efficiency.

[0053] In this embodiment, the first battery pack 31 is hinged to the fixed base 15 on the frame 1 through the cylindrical hanging ear 311, and is bolted to the fixed bracket 14 on the frame 1, for example Figure 4 , Figure 5 and Figure 6 As shown, a fixing bracket 14 and two fixing bases 15 are respectively provided on both sides of the vehicle frame 1, and the two fixing bases 15 are both located above the fixing bracket 14 and are arranged parallel and spaced apart from each other; cylindrical hanging ears 311 are provided on both sides of the first battery pack 31, and the two cylindrical hanging ears 311 are respectively hinged and fixed on the two fixing bases 15; the first battery pack 31 is bolted to the fixing bracket 14 on the side facing the vehicle frame 1. Such a fixing method can ensure the installation stability of the first battery pack 31 while facilitating the disassembly and assembly of the first battery pack 31 to improve the battery replacement efficiency.

[0054] Furthermore, the fixed base 15 includes a base body 151 and a mounting block 152, the mounting block 152 is bolted to the base body 151, the base body 151 is provided with a first arc-shaped groove, the mounting block 152 is provided with a second arc-shaped groove opposite to the first arc-shaped groove, the first arc-shaped groove and the second arc-shaped groove cooperate to form a mounting hole, and the cylindrical hanging ear 311 is assembled in the mounting hole. Such a design, thanks to the convenience of disassembly and assembly of the mounting block 152, makes the disassembly and assembly of the first battery pack 31 more convenient, which can further improve the efficiency of battery replacement.

[0055] Furthermore, for example Figure 4 and Figure 5 As shown, a shock-absorbing block 16 is arranged between the fixed bracket 14 and the first battery pack 31; since the working surface of the mining dump truck is often uneven, which causes the whole vehicle to move bumpily, therefore, adding a shock-absorbing block 16 between the fixed bracket 14 and the first battery pack 31 can avoid the first battery pack 31 from colliding with the fixed bracket 14, and reduce the impact of the impact caused by the shaking of the vehicle on the first battery pack 31, thereby protecting the safety of the first battery pack 31.

[0056] In this embodiment, for example Figure 4 As shown, charging ports 312 are provided on the outer sides of both of the two first battery packs 31. Any one of the charging ports 312 can charge both two groups of the first battery packs 31 and one group of the second battery pack 32 at the same time, which can significantly improve the charging efficiency.

[0057] In this embodiment, the vehicle frame 1 includes a first longitudinal beam 12 and a second longitudinal beam 13. Guide rails 17 are provided on the inner side walls of both the first longitudinal beam 12 and the second longitudinal beam 13. The second battery pack 32 is suspended and installed in the middle of the vehicle frame 1 through the guide rails 17. For example Figure 6 As shown, two groups of guide rails 17 are respectively provided on the inner side walls in the middle of both the first longitudinal beam 12 and the second longitudinal beam 13. The two groups of guide rails 17 are arranged in parallel at intervals in the front-back direction. The bottom of the guide rail 17 has a lower bottom cover; two strip-shaped hanging ears 321 are respectively provided on both sides of the second battery pack 32. The two strip-shaped hanging ears 321 on one side of the second battery pack 32 are respectively matched with the two groups of guide rails 17 on one side. The bottom of the strip-shaped hanging ear 321 abuts against the lower bottom cover, so that the second battery pack 32 can be suspended and installed in the middle of the vehicle frame 1. Such an installation design can, on the one hand, ensure the installation stability of the second battery pack 32, and on the other hand, make the disassembly and assembly of the second battery pack 32 more convenient.

[0058] Furthermore, an upper top cover 171 can be provided at the top of the guide rail 17. After the second battery pack 32 is suspended and installed, the upper top cover 171 is bolted to the upper opening of the guide rail 17 to close the upper opening of the guide rail 17. In this way, when the vehicle is driving and bumping, the upper top cover 171 can limit the top of the second battery pack 32 to prevent the second battery pack 32 from making large jumps and avoid the second battery pack 32 from colliding with other components in the vehicle, protecting the safety of the second battery pack 32 and improving the overall vehicle safety performance.

[0059] Even further, a shock-absorbing block 16 can be provided between the lower bottom cover of the guide rail 17 and the bottom of the strip-shaped hanging ear 321 to reduce the impact of vibration on the second battery pack 32.

[0060] In some embodiments, for example Figure 1 As shown, the catenary pure electric unmanned mining dump truck further includes an antenna device 7 and a resistor cabinet 6. The resistor cabinet 6 is installed on the deck 11. The antenna device 7 includes an antenna bracket 71 and an antenna module 72. The antenna bracket 71 is erected on the deck 11, and the antenna module 72 is rotatably installed at the top of the antenna bracket 71.

[0061] The antenna device 7 can be used as a signal bridging device to receive signals from the overhead base station and transmit the signals to the communication device 24; the antenna device 7 is also used to receive external signals, such as signals from adjacent vehicles, for maintaining vehicle distance, positioning signals of the vehicle body itself, etc.; the rotatable design of the antenna device 7 enables the antenna module 72 on the antenna device 7 to automatically rotate when the signal strength is weak to ensure the strength of the received signal; the resistor cabinet 6 is mainly used to convert the electrical energy generated by the vehicle during braking into heat energy, and consume the heat energy to avoid damage to the vehicle and the surrounding environment, thereby ensuring the safety and stability of the vehicle.

[0062] In some embodiments, for example Figure 1 As shown, a shielding brim 81 is provided at the front end of the cargo box 8, and the shielding brim 81 is located above the deck 11. The wiring and power supply device 2, the antenna device 7, the wiring control cabinet 4, the resistor cabinet 6 and the control cabinet 5 are all within the shielding range of the shielding brim 81. The shielding brim 81 can block the ore in the cargo box 8 to prevent the flying ore from damaging the components on the deck 11, so as to protect the safety of the components on the deck 11.

[0063] In this embodiment, for example Figure 1 As shown, when the pantograph 21 in the overhead line power supply device 2 is not raised, or after being retracted, and when the antenna device 7 is not rotated or activated, it is retracted in the shielding brim 81 to prevent damage.

[0064] In some embodiments, for example Figure 1 As shown, the overhead wire type pure electric unmanned mining dump truck also includes an electric lifting cylinder 9, which is installed on the front side of the frame 1, and the electric lifting cylinder 9 is transmission-connected to the bottom front side of the cargo box 8, and the electric lifting cylinder 9 is electrically connected to the control cabinet 5, and the control cabinet 5 is used to control the extension and retraction of the electric lifting cylinder 9 to realize the lifting or lowering of the cargo box 8.

[0065] Compared with the traditional hydraulic lifting device, the mining dump truck in this embodiment uses an electric lifting cylinder 9 to drive the lifting or lowering of the cargo box 8, which not only has more precise control but also does not require frequent replacement and maintenance, thereby significantly reducing maintenance costs.

[0066] In some embodiments, for example Figure 6 As shown, the chassis of the frame 1 is provided with drive axles 10 at the front and rear, and the two sets of drive axles 10 are exactly the same. The drive axles 10 are connected to the frame 1 through the oil-gas suspension 20 and the triangular support 30. The overall structure is simple and reliable, and the maintainability is high.

[0067] In this embodiment, a hub drive motor is provided inside the drive axle 10. There are four hub drive motors, and each hub drive motor can independently drive each set of tires. The hub drive motors are electrically connected to the control cabinet 5. The control cabinet 5 can control the rotational speed and steering of the hub drive motors, and adjust the four hub drive motors through an algorithm to achieve differential steering. In this way, the turning radius of the whole vehicle is smaller, which is beneficial to saving road width.

[0068] In some embodiments, for example Figure 1 As shown, the trolley-wire type pure electric unmanned mining dump truck further includes a front cover plate 40. The front cover plate 40 is fixedly connected to the front end of the vehicle frame 1, and the upper side of the front cover plate 40 is fixedly connected to the front end face of the deck 11. The front cover plate 40 is provided to protect the front end of the whole vehicle on the one hand and improve the aesthetic degree of the exterior of the whole vehicle on the other hand.

[0069] The other components and operations of the trolley-wire type pure electric unmanned mining dump truck according to the embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail here.

[0070] In the description of this specification, the description with reference to terms such as "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, without conflict, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0071] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the claims and their equivalents.

Claims

1. A wire-type pure electric unmanned mining dump truck, characterized in that: include: Frame, wiring charging device, wiring control cabinet, control cabinet, camera module and battery module; A deck is provided at the front side of the vehicle frame, and the overhead wire charging device, the overhead wire control cabinet and the control cabinet are all installed on the deck; the camera module is electrically connected to the control cabinet, and the camera module is provided with multiple groups, and the multiple groups of camera modules are respectively arranged around the vehicle; The battery module is detachably mounted on the vehicle frame, the battery module is electrically connected to the wiring control cabinet, and the battery module is used to supply power to the entire vehicle; The battery module includes a first battery group and a second battery group, wherein the first battery group is provided with two groups, and the two groups of the first battery groups are respectively detachably mounted on both sides of the frame; the second battery group is provided with one group, and the second battery group is detachably mounted in the middle of the frame; The overhead line power supplement device is electrically connected to the overhead line control cabinet and the control cabinet respectively; The control cabinet controls the vehicle driving according to the signal fed back by the camera module; When the vehicle is heavily loaded and climbing a long distance, the control cabinet can control the overhead wire charging device to contact the overhead wire to receive current, and the current is transmitted to the battery module through the overhead wire control cabinet to achieve the purpose of energy replenishment; when the vehicle drives out of the overhead wire section, the control cabinet can control the overhead wire charging device to separate from the overhead wire; The overhead line power supply device comprises a pantograph, a pantograph bracket, an electric cylinder support and a communication device; The pantograph bracket is provided with a support rail, and the support rail is provided with two groups, and the two groups of support rails are symmetrically arranged at both ends of the pantograph bracket, and the front end of the support rail has an opening, and the rear end is provided with a baffle; The electric cylinder supports are provided with two seats, and the electric cylinders are installed on the two electric cylinder supports. The two electric cylinder supports are respectively slidably assembled on the two groups of support guide rails through the electric cylinders. The telescopic ends of the electric cylinders are fixedly connected to the baffles, and the electric cylinders are electrically connected to the control cabinet; the pantograph is installed on the pantograph bracket through the electric cylinder supports; The communication device is installed on the pantograph bracket, and the communication device is electrically connected to the control cabinet. The communication device is used to feed back the acquired signal from the overhead wire base station to the control cabinet, so that the control cabinet controls the extension and retraction of the electric cylinder, and at the same time, controls the pantograph to raise the pantograph to contact with the overhead wire or to retract the pantograph to separate from the overhead wire; A fixing bracket and two fixing bases are respectively arranged on both sides of the frame, and the two fixing bases are both located above the fixing brackets and are arranged parallel and spaced apart from each other in the front and rear directions; Both sides of the first battery pack are provided with cylindrical hanging ears, and the two cylindrical hanging ears are respectively hinged and fixed on the two fixed bases; the first battery pack is bolted to the fixed bracket on one side facing the frame; The fixed base comprises a base body and a mounting block, the mounting block is bolted to the base body, the base body is provided with a first arc-shaped groove, the mounting block is provided with a second arc-shaped groove opposite to the first arc-shaped groove, the first arc-shaped groove matches with the second arc-shaped groove to form a mounting hole, and the cylindrical hanging ear is assembled in the mounting hole; The frame comprises a first longitudinal beam and a second longitudinal beam, wherein two sets of guide rails are respectively arranged on the inner side walls of the middle parts of the first longitudinal beam and the second longitudinal beam, and the two sets of guide rails are arranged in parallel and spaced apart in the front-rear direction, and the bottom of the guide rails has a lower bottom cover; Two bar-shaped hanging ears are respectively arranged on both sides of the second battery pack, and the two bar-shaped hanging ears on one side of the second battery pack are respectively matched with the two groups of guide rails on one side, and the bottom of the bar-shaped hanging ears abuts against the lower bottom cover, so that the second battery pack can be suspended and installed in the middle of the frame; An upper cover is also provided on the top of the guide rail. When the second battery pack is suspended and installed, the upper cover is bolted to the upper opening of the guide rail to close the upper opening of the guide rail. The overhead wire type pure electric unmanned mining dump truck further comprises an antenna device and a resistor cabinet, wherein the resistor cabinet is mounted on the deck, the antenna device comprises an antenna bracket and an antenna module, the antenna bracket is mounted on the deck, and the antenna module is rotatably mounted on the top of the antenna bracket; A shielding brim is arranged at the front end of the cargo box, and the shielding brim is located above the deck. The wiring power supply device, the antenna device, the wiring control cabinet, the resistance cabinet and the control cabinet are all within the shielding range of the shielding brim.

2. The wire-type pure electric unmanned mining dump truck according to claim 1 is characterized in that: A shock absorbing block is arranged between the fixing bracket and the first battery pack.

3. The wire-type pure electric unmanned mining dump truck according to claim 1 is characterized in that: Charging ports are provided on the outer sides of the two first battery packs, and any one of the charging ports can charge two groups of the first battery packs and one group of the second battery pack at the same time.

4. The wire-type pure electric unmanned mining dump truck according to claim 1 is characterized in that: It also includes an electric lifting cylinder, which is installed on the front side of the frame, the electric lifting cylinder is transmission-connected to the bottom front side of the cargo box, the electric lifting cylinder is electrically connected to the control cabinet, and the control cabinet is used to control the extension and retraction of the electric lifting cylinder to achieve the lifting or lowering of the cargo box.

5. The overhead wire type pure electric unmanned mining dump truck according to claim 1, characterized in that: The chassis of the frame is provided with driving axles at the front and rear, and the two sets of driving axles are completely identical. The driving axles are connected to the frame through oil-gas suspension and triangular supports.

6. The overhead wire type pure electric unmanned mining dump truck according to claim 5, characterized in that: A wheel hub drive motor is arranged in the drive axle, and the wheel hub drive motor can independently drive each set of tires. The wheel hub drive motor is electrically connected to the control cabinet.

7. The wire-type pure electric unmanned mining dump truck according to claim 1, characterized in that: It also includes a front cover plate, which is fixedly connected to the front end of the frame, and the upper side of the front cover plate is fixedly connected to the front end surface of the deck.

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