Parallel type four-drive motor front suspension assembly and new energy mine car

Abstract

The utility model discloses a parallel type four-drive motor front suspension assembly and a new energy mine car. The parallel type four-drive motor front suspension assembly comprises a motor connecting plate, a mounting support, a wire clamp bracket and a wire clamp, the motor connecting plate comprises a main connecting plate and two side connecting plates; the main connecting plate is divided into four mounting areas which are arranged in two rows and two columns, and each mounting area corresponds to one driving motor and is fixed together with the front end surface of the driving motor; the two side connecting plates are symmetrically arranged in the middle areas of the two side edges of the main connecting plate. The mounting supports are symmetrically connected to the two side connecting plates, and the two mounting supports are connected with a frame; the wire clamp brackets are respectively fixed on the mounting areas and are positioned below motor wire outlets reserved on the mounting areas; the wire clamps are fixed on the wire clamp supports and right face the wire outlet of the motor. According to the utility model, the vibration acceleration of the driving motor is effectively reduced, the abrasion risk of the gearbox input shaft bearing is reduced, and the stability and reliability of four-motor driving operation are further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of parallel four drive motor front suspension assembly, belong to new energy mine car technical field. BACKGROUND

[0002] New energy mine car has the advantages of green environmental protection, low carbon emission, and has been applied in large scale in mine transportation field.

[0003] As known, 85% of mine transportation is heavy load composite scene, and new energy mine car operating scene mostly faces complex, continuous pit climbing, heavy load working condition and other extreme working conditions under sustained high power output.Four motor drive system uses the structure of four high-speed flat wire motors in parallel input, compared with traditional motor, it has higher power density and efficiency, stronger power, and higher heavy load speed.

[0004] In prior art, single mounting support is often used to fix driving motor on frame.However, for four motor drive assembly, due to large vibration impact in mining area and poor stability of parallel four motor total cost itself, using single mounting support for fixation is easy to cause excessive vibration acceleration of driving motor, wear of gearbox input shaft bearing, and further increase vibration of whole vehicle, failure and ablation of gearbox input shaft bearing, and gear shifting failure of vehicle. SUMMARY

[0005] To solve the above technical problems, the utility model provides a kind of parallel four drive motor front suspension assembly, on the basis of existing single driving motor mounting support, increase motor connecting plate, make the fixation of four motor more stable and reliable, effectively reduce the vibration acceleration of driving motor, reduce the wear risk of gearbox input shaft bearing, and further improve the stability and reliability of four motor drive operation.

[0006] The utility model realizes according to the following technical scheme:

[0007] In the first aspect, the utility model provides a kind of parallel four drive motor front suspension assembly, comprising:

[0008] Motor connecting plate includes main connecting plate and two side connecting plates;The main connecting plate is divided into four installation areas arranged in two rows and two columns, each installation area corresponds to a driving motor, and is fixed with the front end face of driving motor;Two side connecting plates are symmetrically arranged at the middle area of two side edges of main connecting plate, and side connecting plate is extended towards the rear end face of driving motor in the manner perpendicular to main connecting plate;

[0009] Mounting support is symmetrically connected on the two side connecting plates, and two mounting supports are connected with frame, and then the motor connecting plate is suspended in frame;

[0010] In some embodiments, the parallel four-drive motor front suspension assembly further comprises:

[0011] A wire clamp support is fixed on each mounting area and below the reserved motor outlet.

[0012] A wire clamp is fixed on each wire clamp support and opposite to the motor outlet, used for fixing the motor high-voltage wire harness and making the motor high-voltage wire outlet horizontally.

[0013] In some embodiments, the main connecting plate and the four-drive motor are connected as a whole through detachable components; and / or, the mounting support and the side connecting plate are connected through detachable components; and / or, the wire clamp support and the main connecting plate are connected through detachable components; and / or, the wire clamp and the wire clamp support are connected through detachable components.

[0014] In some embodiments, the mounting support comprises a vertical plate and a horizontal plate, the horizontal plate is fixed on the middle area of the outer vertical surface of the vertical plate; the lower area of the vertical plate is provided with a plurality of mounting holes, a part of the mounting holes are used for fixing the side connecting plate through bolts, and the other part of the mounting holes are used for fixing the main connecting plate through bolts; the horizontal plate is provided with an oblong hole, used for fixing the frame through bolts.

[0015] In some embodiments, at least one rib plate is fixed at the upper corner and / or the lower corner of the horizontal plate and the vertical plate.

[0016] In some embodiments, the wire clamp support comprises a support plate in the shape of a "U", the horizontal part of the support plate is provided with a plurality of round holes, each round hole is fixed below with a welding nut coaxially arranged, used for fixing the wire clamp through bolts; the vertical part of the support plate is provided with a plurality of round holes, used for fixing the main connecting plate through bolts.

[0017] In some embodiments, at least one reinforcing plate is fixed at the corner of the horizontal part and the vertical part of the support plate.

[0018] In some embodiments, the wire clamp is a rectangular block formed by the butt joint of the upper wire clamp and the lower wire clamp; the butt joint of the upper wire clamp and the lower wire clamp is provided with a plurality of wire passing holes corresponding to the motor high-voltage wire one by one; the wire clamp is provided with a plurality of mounting holes penetrating the top surface of the upper wire clamp and the bottom surface of the lower wire clamp, and each mounting hole does not pass through the wire passing hole, the mounting hole is used for fixing the wire clamp support through bolts.

[0019] In some embodiments, the motor connecting plate is provided with a plurality of grounding holes, the grounding wires of the four-drive motor are respectively lapped into the corresponding grounding holes, the motor connecting plate and the frame are connected through a total grounding wire, and then the grounding of the four-drive motor is completed.

[0020] In some embodiments, a plurality of eye screws are also included and are threadably connected to the top surface of the main connection plate.

[0021] In a second aspect, the utility model provides a new energy mine car, including frame and parallel four drive motor, parallel four drive motor is connected on frame through above -mentioned parallel four drive motor front suspension assembly.

[0022] The utility model has the advantages of:

[0023] The utility model increases the motor connecting plate on the basis of the existing single drive motor mounting support, makes the fixation of four drive motors more stable and reliable, effectively reduces the vibration acceleration of the drive motor, reduces the wear risk of the input shaft bearing of the gearbox, and further improves the stability and reliability of the four motor drive system operation.

[0024] The nylon wire clamp used in the utility model is easy to install, can ensure that the high-voltage wire harness of the drive motor is horizontally wired, and the high-voltage wire harness is beautiful and fixed firmly.

[0025] The motor connecting plate used in the utility model has a sufficient number of grounding holes, the grounding wires of the four drive motors are connected to the motor connecting plate respectively, and finally only one total grounding wire is needed to connect the motor connecting plate and the frame, completing the grounding of the four drive motors. The grounding wire of the four drive motor is arranged conveniently and effectively reduces the number of grounding holes of the frame. BRIEF DESCRIPTION OF DRAWINGS

[0026] The accompanying drawings, which are part of the present application, serve to provide a further understanding of the present application, and the illustrative embodiments of the present application and their descriptions serve to explain the present application, but do not constitute an improper limitation on the present application. Obviously, the drawings described below are only some embodiments, and other drawings can be obtained from these drawings without creative labor for those skilled in the art.

[0027] In the drawings:

[0028] Figure 1 It is a perspective view of a parallel four drive motor front suspension assembly of the utility model;

[0029] Figure 2 It is a parallel four drive motor front suspension assembly installation schematic of the utility model Figure 1 ;

[0030] Figure 3 It is a parallel four drive motor front suspension assembly installation schematic of the utility model Figure 2 ;

[0031] Figure 4A perspective view of the parallel four-drive motor of the utility model;

[0032] Figure 5 A perspective view of the motor connecting plate of the utility model;

[0033] Figure 6 A perspective view of the wire clamp support of the utility model;

[0034] Figure 7 A perspective view of the wire clamp of the utility model;

[0035] Figure 8 A perspective view of the mounting support of the utility model.

[0036] The drawings are identified as: right mounting support 1, lifting ring screw 2, motor connecting plate 3, wire clamp support 4, wire clamp 5, left mounting support 6, drive motor 7, motor high-voltage wire 8, main connecting plate 31, side connecting plate 32, grounding hole 33, upper wire clamp 51, lower wire clamp 52.

[0037] It should be noted that these drawings and textual descriptions are not intended to limit the scope of the concept of the utility model in any way, but to illustrate the concept of the utility model to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0038] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and the following embodiments are used to illustrate the utility model, but not to limit the scope of the utility model.

[0039] In the description of the utility model, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0040] In the description of the utility model, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0041] As Figure 1 ,Figure 2 , Figure 3 , Figure 4 , Figure 5 As shown, a parallel four-drive motor front suspension assembly includes a motor connecting plate 3, a mounting bracket, a wire clamp bracket 4, and a wire clamp 5. The motor connecting plate 3 includes a main connecting plate 31 and two side connecting plates 32. The main connecting plate 31 is divided into four mounting areas arranged in two rows and two columns, each mounting area corresponding to a drive motor 7 and fixed to the front end face (i.e., the terminal) of the drive motor 7. The two side connecting plates 32 are symmetrically arranged in the middle area of ​​the two sides of the main connecting plate 31, and the side connecting plates 32 are perpendicular to the main connecting plate. The connecting plate 31 extends toward the rear end face of the drive motor 7; the left mounting bracket 6 and the right mounting bracket 1 are symmetrically connected to the two side connecting plates 32, and the left mounting bracket 6 and the right mounting bracket 1 are connected to the frame, thereby suspending the motor connecting plate 3 in the frame; the wire clamp bracket 4 is fixed on each mounting area and located below the reserved motor outlet in the mounting area; the wire clamp 5 is fixed on each wire clamp bracket 4 and faces the motor outlet, used to fix the motor high voltage wire harness and make the motor high voltage wire 8 exit horizontally.

[0042] In a further embodiment, the main connecting plate 31 and the four drive motors are connected as a whole by detachable components; and / or, the left mounting bracket 6 and the right mounting bracket 1 are connected to the side connecting plate 32 by detachable components; and / or, the wire clamp bracket 4 is connected to the main connecting plate 31 by detachable components; and / or, the wire clamp 5 is connected to the wire clamp bracket 4 by detachable components.

[0043] It should be noted that the parallel four-drive motors are arranged side by side, and the four motors work together to achieve optimal power transmission and efficiency stability, providing strong power performance for new energy mining trucks. The motor connecting plate and the four motors are connected together by bolts to form a whole, which effectively reduces the vibration acceleration of the parallel four-drive motors and improves the stability and vibration resistance of the four-motor drive assembly.

[0044] The following provides a further explanation of the specific structure of the aforementioned mounting bracket.

[0045] like Figure 8 As shown, the left mounting bracket 6 and the right mounting bracket 1 have the same structure, including a vertical plate and a horizontal plate. The horizontal plate is fixed to the middle area of ​​the outer facade of the vertical plate. The lower area of ​​the vertical plate has multiple mounting holes. Some of the mounting holes are used to fix the side connecting plate 32 with bolts, and the other part of the mounting holes are used to fix the main connecting plate 31 with bolts. The horizontal plate has elongated holes for fixing the vehicle frame with bolts. The four-wheel drive motor is firmly and reliably fixed to the vehicle frame by the symmetrically arranged mounting brackets, ensuring the stable operation of the four-wheel drive motor.

[0046] Further, as shown in Figure 8 At least one reinforcing plate is fixed at the upper corner and / or the lower corner of the horizontal plate and the vertical plate.

[0047] Specifically, a triangular reinforcing plate is welded at the middle position of the upper corner of the horizontal plate and the vertical plate, and a long strip reinforcing plate is welded at the middle position of the lower corner of the horizontal plate and the vertical plate.

[0048] The specific structure of the wire clamp support described above is further described below.

[0049] As shown in Figure 6 The wire clamp support 4 includes a support plate in the shape of a "U", and a plurality of round holes are arranged on the horizontal part of the support plate. A welding nut coaxial with each round hole is fixed below the round hole, which is used to be fixed with the wire clamp 5 through a bolt. A plurality of round holes are arranged on the vertical part of the support plate, which are used to be fixed with the main connecting plate 31 through a bolt.

[0050] Further, as shown in Figure 6 At least one reinforcing plate is fixed at the corner of the horizontal part and the vertical part of the support plate.

[0051] Specifically, a reinforcing plate is welded on each side of the corner of the horizontal part and the vertical part of the support plate.

[0052] The specific structure of the wire clamp described above is further described below.

[0053] As shown in Figure 7 The wire clamp 5 is a rectangular block formed by the butt joint of the upper wire clamp 51 and the lower wire clamp 52. A plurality of wire passing holes corresponding to the motor high-voltage wires 8 are arranged at the butt joint of the upper wire clamp 51 and the lower wire clamp 52. A plurality of mounting holes are arranged on the wire clamp, penetrating the top surface of the upper wire clamp and the bottom surface of the lower wire clamp, and each mounting hole does not pass through the wire passing hole. The mounting holes are used to be fixed with the wire clamp support 4 through a bolt. The wire clamp can ensure that the high-voltage wire bundle of the driving motor is horizontally out of the wire, and the wire bundle is beautiful and fixed firmly.

[0054] Specifically, the upper wire clamp 51 is in a concave structure, and the lower wire clamp 52 is in a convex structure. After the butt joint of the two, a rectangular block is formed. A wire passing hole is arranged at the middle of the rectangular block, and a wire passing hole is arranged on each side of the rectangular block.

[0055] Preferably, the wire clamp 5 is a nylon wire clamp, which does not damage the insulation layer of the wire while fixing the motor high-voltage wire.

[0056] Further, a plurality of grounding holes 33 are arranged on the motor connecting plate 3. The grounding wires of the four driving motors are respectively lapped into the corresponding grounding holes. A total grounding wire is used to connect the motor connecting plate 3 with the vehicle frame, thereby completing the grounding of the four driving motors.

[0057] Further schemes, such as Figure 1 Further schemes, such as

[0058] In the specific scheme, the top surface of the main connecting plate 31 is connected with a lifting ring screw 2 at each end.

[0059] In summary, the parallel four-drive motor front suspension assembly provided by the utility model realizes the following functions and effects:

[0060] 1. The motor connecting plate is added to the four-drive motor wiring end, the motor connecting plate and the four-drive motor are bolted together to form an integral whole.

[0061] 2. The nylon wire clamp and the clamp support are added to the motor connecting plate to fix the high-voltage wire harness of the four-drive motor.

[0062] 3. The grounding hole is added to the motor connecting plate, the four-motor grounding wires are connected to the motor connecting plate, and finally only one grounding wire is needed to connect the motor connecting plate and the vehicle frame to complete the grounding of the four-drive motor.

[0063] 4. The lifting ring screw is added to the motor connecting plate, the lifting ring screw is connected with the motor connecting plate through threads, and the four-drive motor is transported and transferred conveniently and reliably.

[0064] The new energy mine car provided by the utility model is described below, and the new energy mine car described below can be correspondingly referred to the parallel four-drive motor front suspension assembly described above.

[0065] The new energy mine car provided by the utility model can include the parallel four-drive motor front suspension assembly described in any one of the above embodiments.

[0066] The beneficial effects achieved by the new energy mine car provided by the utility model are consistent with the beneficial effects achieved by the parallel four-drive motor front suspension assembly provided by the utility model, and thus will not be described here.

[0067] In the description provided herein, a large number of specific details are illustrated. It is understood, however, that embodiments of the application can be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

[0068] Furthermore, to one skilled in the art, it is readily apparent that different features of the various embodiments described herein can be combined with each other, if not merge, to form yet further embodiments, which also fall within the scope of the present application. For example, in the above embodiments, one skilled in the art can use the features in a combined manner according to the known technical solutions and the technical problems to be solved by the present application.

[0069] The above merely provides the preferred embodiments of the present application, but is not intended to limit the present application in any form. Although the present application has been disclosed with the preferred embodiments, it is not intended to limit the present application, and any skilled in the art can make some changes or modifications to the above-mentioned technical content with the above-mentioned prompt, or make equivalent embodiments with equivalent changes, as long as they do not deviate from the technical solutions of the present application. Any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present application still fall within the scope of the present application.

Claims

1. A parallel four-drive motor front mount assembly, characterized in that, include: The motor connection plate includes a main connection plate and two side connection plates; The main connecting plate is divided into four installation areas arranged in two rows and two columns. Each installation area corresponds to a drive motor and is fixed to the front end face of the drive motor. Two side connecting plates are symmetrically arranged in the middle area of ​​the two sides of the main connecting plate, and the side connecting plates extend toward the rear end face of the drive motor in a manner perpendicular to the main connecting plate. Mounting supports are symmetrically connected to the two side connecting plates, and the two mounting supports are connected to the frame, thereby suspending the motor connecting plate in the frame.

2. The parallel four-drive motor front mount assembly according to claim 1, characterized in that, Also includes: The wire clamp brackets are fixed in each installation area and located below the reserved motor cable outlet in that installation area; The wire clamps are fixed on each wire clamp bracket and face the motor outlet. They are used to fix the high-voltage wiring harness of the motor and make the high-voltage wires of the motor exit horizontally.

3. The parallel four-drive motor front mount assembly according to claim 2, characterized in that: The wire clamp bracket includes a support plate in the shape of an "X". The horizontal part of the support plate has multiple round holes, and a welding nut arranged coaxially with each round hole is fixed below each round hole for use with bolts to fix it together with the wire clamp. The vertical part of the support plate has multiple round holes for use with bolts to fix it together with the main connecting plate.

4. The parallel four-drive motor front mount assembly according to claim 3, characterized in that: At least one reinforcing plate is fixed at the angle between the horizontal and vertical portions of the support plate.

5. A parallel four-drive motor front mount assembly according to claim 2, characterized in that: The wire clamp is a rectangular block formed by the connection of an upper wire clamp and a lower wire clamp; The upper and lower clamps have multiple through holes corresponding to the high-voltage wires of the motor at their joints; the clamps have multiple mounting holes that penetrate the top surface of the upper clamp and the bottom surface of the lower clamp, and each mounting hole does not pass through the through hole. The mounting holes are used to fix the clamps together with bolts.

6. The parallel four-drive motor front mount assembly according to claim 2, characterized in that: The main connecting plate and the four drive motors are connected as a whole via detachable components; and / or, The mounting bracket is connected to the side connecting plate via a detachable component; and / or The wire clamp bracket is connected to the main connecting plate via a detachable component; and / or The wire clamp and the wire clamp bracket are connected by a detachable component.

7. The parallel four-drive motor front mount assembly according to claim 1, characterized in that: The mounting bracket includes a vertical plate and a horizontal plate. The horizontal plate is fixed to the middle area of ​​the outer facade of the vertical plate. The lower area of ​​the vertical plate is provided with multiple mounting holes. Some of the mounting holes are used to fix the side connecting plate together with bolts, and the other part of the mounting holes are used to fix the main connecting plate together with bolts. The horizontal plate is provided with an elongated hole for fixing the frame together with bolts.

8. The parallel four-drive motor front mount assembly according to claim 1, characterized in that: The motor connection plate is provided with multiple grounding holes. The grounding wires of the four drive motors are respectively connected to the corresponding grounding holes. The motor connection plate is connected to the vehicle frame through a main grounding wire, thereby completing the grounding of the four drive motors.

9. The parallel four-drive motor front mount assembly according to claim 1, characterized in that: It also includes multiple eye bolts, which are threaded to the top surface of the main connecting plate.

10. A new energy mining truck, comprising a frame and four parallel drive motors, characterized in that: The parallel four-drive motor is connected to the vehicle frame via the parallel four-drive motor front suspension assembly as described in any one of claims 1 to 9.

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