Power output transmission shaft of mine truck with electric wheels and mine truck with electric wheels

Abstract

The utility model discloses a power output transmission shaft of an electric wheel mine truck, which comprises a transmission shaft, a first universal joint fork and a second joint fork, the first universal joint fork comprises a first connecting joint fork, a first connecting fork plate and a first cross connecting shaft; the first connecting fork plate comprises a first flange plate and a first connecting lug; the second universal joint fork comprises a second connecting joint fork, a second connecting fork plate, a second cross-shaped connecting shaft and an insulating bush; the second connecting fork plate comprises a second flange plate and second connecting lugs, the ends of the two second connecting lugs are connected to the side portions of the second connecting plate respectively, and the second connecting lugs are provided with second connecting lug through holes. The two ends of the transmission shaft are connected with the first connecting end and the second connecting end respectively, and the first flange plate and the second flange plate are provided with a plurality of flange through holes respectively. The utility model further discloses the mine truck with the electric wheels. The engine and the main generator are convenient to disassemble and assemble, and the service life of parts of the engine can be prolonged.

Description

Technical Field

[0001] The present application relates to the technical field of mining vehicles, for example, to a power output transmission shaft of an electric wheel mining vehicle and an electric wheel mining vehicle. Background Art

[0002] Electric wheel mining vehicles are important transportation equipment for open-pit mining. The engine and main generator are the power output units of the vehicle. The existing technology usually uses a single-bearing main generator, that is, a bearing is provided at the power output end of the main generator, and there is no bearing at the power input end of the main generator. The input end is coupled with the flywheel of the engine, and the power input end of the main generator and the engine flywheel share a bearing support.

[0003] Disadvantages of existing technology:

[0004] First, the engine and the main generator are coupled together, which are large in size and weight. When one of the components fails, the main generator and the engine need to be disassembled as a whole, which is inconvenient.

[0005] Second, when the main generator is working, shaft current will be generated on the bearings and the main generator rotor. The current will be transmitted to the engine crankshaft through the engine flywheel. The shaft current will cause the lubricating oil to decompose and deteriorate, and at the same time cause electrical corrosion of the engine crankshaft, reducing the life of engine parts. Utility Model Content

[0006] The utility model provides a power output transmission shaft of an electric wheel mining vehicle and an electric wheel mining vehicle, which are convenient for disassembling and assembling an engine and a main generator, and can solve the influence of the shaft current generated by the main generator on the electric corrosion of the engine lubricating oil and the engine crankshaft, thereby extending the life of the engine parts.

[0007] The technical solution is as follows:

[0008] The power output transmission shaft of an electric wheel mining vehicle comprises: a transmission shaft, a first universal joint fork, and a second universal joint fork. The first universal joint fork comprises: a first connecting fork, a first connecting fork plate, and a first cross connecting shaft. The rear end of the first connecting fork is provided with a first connecting end, and the front end is provided with two first connecting plates, and the first connecting plate is provided with a first connecting plate through hole; the first connecting fork plate comprises: a first flange plate and a first connecting ear, and the ends of the two first connecting ears are respectively connected to the sides of the first flange plate, and the first connecting ear is provided with a first connecting ear through hole; the first cross connecting shaft is provided with four first connecting shafts arranged in a cross shape, and the four first connecting shafts are respectively sleeved in the two first external plug-in plate through holes and the two first connecting ear through holes; the second universal joint fork comprises: a second connecting fork, a second connecting fork plate , a second cross connecting shaft, an insulating bushing, a second connecting end is provided at the rear end of the second connecting fork, and two second connecting plates are provided at the front end, and the second connecting plate is provided with a second connecting plate through hole; the second connecting fork plate includes: a second flange plate, a second connecting ear, the ends of the two second connecting ears are respectively connected to the sides of the second connecting plate, and the second connecting ears are provided with second connecting ear through holes; the second cross connecting shaft is provided with four second connecting shafts arranged in a cross shape; the insulating bushing is a tubular structure, and the four insulating bushings are respectively installed in the two second external plug-in plate through holes and the two second connecting ear through holes, and the four second connecting shafts are respectively sleeved in the four insulating bushings; the two ends of the transmission shaft are respectively connected to the first connecting end and the second connecting end, and the first flange plate and the second flange plate are respectively provided with a plurality of flange through holes.

[0009] Furthermore, the first connecting plate and the first connecting ear are respectively provided with a first oil filling hole, the first oil filling hole is connected to the inner walls of the first connecting plate through hole and the first connecting ear through hole, the inner walls of the first connecting plate through hole and the first connecting ear through hole are respectively provided with a first positive spiral groove and a first reverse spiral groove, the first positive spiral groove and the first reverse spiral groove are cross-connected with each other.

[0010] Furthermore, the second connecting plate and the second connecting ear are respectively provided with second oil filling holes, and the second oil filling holes are connected to the inner walls of the second connecting plate through hole and the second connecting ear through hole, and the inner walls of the second connecting plate through hole and the second connecting ear through hole are respectively provided with second positive spiral grooves and second reverse spiral grooves, and the second positive spiral grooves and the second reverse spiral grooves are cross-connected with each other; the outer wall of the insulating bushing is provided with third positive spiral grooves and third reverse spiral grooves, and the third positive spiral grooves and the third reverse spiral grooves are cross-connected with each other, and the inner wall of the insulating bushing is provided with fourth positive spiral grooves and fourth reverse spiral grooves, and the fourth positive spiral grooves and the fourth reverse spiral grooves are cross-connected with each other.

[0011] Furthermore, the multiple flange through holes of the first flange plate are located on the same circumference, and the multiple flange through holes of the second flange plate are located on the same circumference.

[0012] Furthermore, the ends of the four first connecting shafts are connected together and arranged in a cross shape, and the ends of the four second connecting shafts are connected together and arranged in a cross shape.

[0013] The electric wheel mining vehicle comprises: an engine installed at the front of the frame, a main generator installed in the middle of the frame, the power output end of the engine is provided with an output end flange, the rotor of the main generator is connected with the power input end, the rotor is supported on bearings at the front and rear ends of the stator, the power input end is provided with an input end flange, the power input end and the second flange plate are connected by bolts, and the power output end and the first flange plate are connected by bolts.

[0014] The technical effects of the utility model include:

[0015] 1. The engine and main generator are easy to disassemble and assemble, and convenient for maintenance.

[0016] The use of the utility model enables the engine and the main generator to be independently mounted on the vehicle frame, and can be individually disassembled and assembled, so that maintenance is convenient.

[0017] 2. Solve the influence of the shaft current generated by the main generator on the electrical corrosion of the engine lubricating oil and the engine crankshaft, and extend the life of the engine parts.

[0018] The transmission shaft adopted by the utility model is provided with an insulating bushing, which can isolate the current generated by the rotor of the main generator from being transmitted to the engine, thereby extending the service life of the engine. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the power output transmission shaft of the electric wheel mining vehicle in the utility model;

[0020] Figure 2 It is a structural schematic diagram of the first universal joint fork 2 in the utility model;

[0021] Figure 3 It is a structural schematic diagram of the first connecting yoke 21 in the utility model;

[0022] Figure 4 It is a structural schematic diagram of the first connecting fork plate 22 in the utility model;

[0023] Figure 5 It is a structural schematic diagram of the first cross connecting shaft 23 in the utility model;

[0024] Figure 6 It is a structural schematic diagram of the second universal joint fork 3 in the utility model;

[0025] Figure 7 It is a structural schematic diagram of the second connecting yoke 31 in the utility model;

[0026] Figure 8 It is a structural schematic diagram of the second connecting fork plate 32 in the utility model;

[0027] Fig. 9 It is a structural schematic diagram of the second cross connecting shaft 33 in the utility model;

[0028] Fig.10 The utility model is a schematic diagram of the use state of the power output transmission shaft of the electric wheel mining vehicle. DETAILED DESCRIPTION

[0029] The following description sufficiently illustrates specific embodiments of the present invention to enable those skilled in the art to practice and reproduce the same.

[0030] like Figure 1 The figure is a schematic diagram of the structure of the power output transmission shaft of the electric wheel mining vehicle in the utility model.

[0031] The power output transmission shaft of the electric wheel mining vehicle comprises: a transmission shaft 1, a first universal joint fork 2, and a second universal joint fork 3. The first universal joint fork 2 and the second universal joint fork 3 are connected to both ends of the transmission shaft 1 respectively.

[0032] like Figure 2 As shown, it is a schematic diagram of the structure of the first universal joint fork 2 in the utility model; Figure 3 As shown, it is a schematic diagram of the structure of the first connecting yoke 21 in the utility model; Figure 4 As shown, it is a schematic diagram of the structure of the first connecting fork plate 22 in the utility model; Figure 5 , which is a schematic structural diagram of the first cross connecting shaft 23 in the present utility model.

[0033] The first universal joint 2 includes: a first connecting yoke 21, a first connecting fork plate 22, and a first cross connecting shaft 23. The rear end of the first connecting yoke 21 is provided with a first connecting end, and the front end is provided with two first connecting plates 24, and the first connecting plate is provided with a first connecting plate through hole 25; the first connecting fork plate 22 includes: a first flange plate 26 and a first connecting ear 27, the ends of the two first connecting ears 27 are respectively connected to the sides of the first flange plate 26, and the first connecting ear 27 is provided with a first connecting ear through hole 28; the first cross connecting shaft 23 is provided with four first connecting shafts 29, the ends of the four first connecting shafts 29 are connected together and arranged in a cross shape, and the first flange plate 26 is provided with a plurality of flange through holes (the plurality of flange through holes are located on the same circumference).

[0034] The four first connection shafts 29 of the first cross connection shaft 23 are respectively inserted into the two first outer plug-in plate through holes 25 and the two first connection ear through holes 28 .

[0035] The first connecting plate 24 and the first connecting ear 27 are respectively provided with a first oil filling hole, the first oil filling hole is connected to the inner wall of the first connecting plate through hole 25 and the first connecting ear through hole 28, the inner walls of the first connecting plate through hole 25 and the first connecting ear through hole 28 are respectively provided with a first positive spiral groove and a first reverse spiral groove, the first positive spiral groove and the first reverse spiral groove are cross-connected with each other.

[0036] like Figure 6 As shown, it is a schematic diagram of the structure of the second universal joint fork 3 in the utility model; Figure 7 As shown, it is a schematic diagram of the structure of the second connecting yoke 31 in the utility model; Figure 8 As shown, it is a schematic diagram of the structure of the second connecting fork plate 32 in the utility model; Fig. 9 FIG. 2 is a schematic diagram of the structure of the second cross connecting shaft 33 in the present invention.

[0037] The second universal joint 3 includes: a second connecting yoke 31, a second connecting fork plate 32, a second cross connecting shaft 33, and an insulating bushing 34. The rear end of the second connecting yoke 31 is provided with a second connecting end, and the front end is provided with two second connecting plates 34, and the second connecting plate is provided with a second connecting plate through hole 35; the second connecting fork plate 32 includes: a second flange plate 36 and a second connecting ear 37, the ends of the two second connecting ears 37 are respectively connected to the sides of the second connecting plate 36, and the second connecting ear 37 is provided with a second connecting ear through hole 38; the second cross connecting shaft 33 is provided with four second connecting shafts 39, the ends of the four second connecting shafts 39 are connected together and arranged in a cross shape, and the second flange plate 36 is provided with a plurality of flange through holes (the plurality of flange through holes are located on the same circumference).

[0038] The insulating bushing 34 is a tubular structure. The four insulating bushings 34 are respectively sleeved in the two second outer plug-in plate through holes 35 and the two second connecting ear through holes 38 . The four second connecting shafts 39 of the second cross connecting shaft 33 are respectively sleeved in the four insulating bushings 34 .

[0039] Two ends of the transmission shaft 1 are connected to a first connection end and a second connection end respectively.

[0040] The second connecting plate 34 and the second connecting ear 37 are respectively provided with second oil filling holes, and the second oil filling holes are connected to the inner walls of the second connecting plate through hole 35 and the second connecting ear through hole 38; the inner walls of the second external plug-in plate through hole 35 and the second connecting ear through hole 38 are respectively provided with second positive spiral grooves and second reverse spiral grooves, and the second positive spiral grooves and the second reverse spiral grooves are cross-connected with each other; the outer wall of the insulating bushing 34 is provided with third positive spiral grooves and third reverse spiral grooves, and the third positive spiral grooves and the third reverse spiral grooves are cross-connected with each other; the inner wall of the insulating bushing 34 is provided with fourth positive spiral grooves and fourth reverse spiral grooves, and the fourth positive spiral grooves and the fourth reverse spiral grooves are cross-connected with each other.

[0041] like Fig.10 The figure is a schematic diagram of the use state of the power output transmission shaft of the electric wheel mining vehicle in the utility model.

[0042] In the electric wheel mining vehicle, the engine 5 is installed at the front of the frame 4, and the power output end 51 of the engine 5 is provided with an output end flange; the main generator 6 is installed in the middle of the frame 4, and the rotor of the main generator 6 is connected to the power input end 61, and the power input end 61 is provided with an input end flange, the power input end 61 and the second flange plate 36 are connected by bolts, and the power output end 51 and the first flange plate 26 are connected by bolts, and the power output transmission shaft of the electric wheel mining vehicle is connected between the power output end 51 and the power input end 61; the rotor is supported on the bearings 62 at the front and rear ends of the stator. The current generated by the rotor of the main generator 6 is isolated by the insulating bushing 34 and transmitted to the engine 5, thereby extending the service life of the engine 5.

[0043] The above description and the accompanying drawings sufficiently illustrate the embodiments of the present disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The embodiments represent only possible variations. Unless explicitly required, individual components and functions are optional, and the order of operations may vary. Portions and features of some embodiments may be included in or replace portions and features of other embodiments. The embodiments of the present disclosure are not limited to the structures described above and shown in the accompanying drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A power output transmission shaft for an electric wheel mining vehicle, characterized in that: include: A transmission shaft, a first universal joint fork, and a second universal joint fork. The first universal joint fork includes: a first connecting fork, a first connecting fork plate, and a first cross connecting shaft. The rear end of the first connecting fork is provided with a first connecting end, and the front end is provided with two first connecting plates, and the first connecting plate is provided with a first connecting plate through hole; the first connecting fork plate includes: a first flange plate and a first connecting ear. The ends of the two first connecting ears are respectively connected to the sides of the first flange plate, and the first connecting ear is provided with a first connecting ear through hole; the first cross connecting shaft is provided with four first connecting shafts arranged in a cross shape, and the four first connecting shafts are respectively inserted into the two first external plug-in plate through holes and the two first connecting ear through holes; the second universal joint fork includes: a second connecting fork, a second connecting fork plate, a second cross connecting shaft , an insulating bushing, a second connecting end is provided at the rear end of the second connecting fork, and two second connecting plates are provided at the front end, and the second connecting plate is provided with a second connecting plate through hole; the second connecting fork plate includes: a second flange plate, a second connecting ear, the ends of the two second connecting ears are respectively connected to the sides of the second connecting plate, and the second connecting ears are provided with second connecting ear through holes; the second cross connecting shaft is provided with four second connecting shafts arranged in a cross shape; the insulating bushing is a tubular structure, and the four insulating bushings are respectively installed in the two second external plug-in plate through holes and the two second connecting ear through holes, and the four second connecting shafts are respectively sleeved in the four insulating bushings; both ends of the transmission shaft are respectively connected to the first connecting end and the second connecting end, and the first flange plate and the second flange plate are respectively provided with a plurality of flange through holes.

2. The power output transmission shaft of the electric wheel mining vehicle according to claim 1, characterized in that: The first connecting plate and the first connecting ear are respectively provided with a first oil filling hole, the first oil filling hole is connected to the inner wall of the first connecting plate through hole and the first connecting ear through hole, the inner walls of the first connecting plate through hole and the first connecting ear through hole are respectively provided with a first positive spiral groove and a first reverse spiral groove, the first positive spiral groove and the first reverse spiral groove are cross-connected with each other.

3. The power output transmission shaft of the electric wheel mining vehicle according to claim 1, characterized in that: The second connecting plate and the second connecting ear are respectively provided with a second oil filling hole, the second oil filling hole is connected to the inner wall of the second connecting plate through hole and the second connecting ear through hole, the inner walls of the second connecting plate through hole and the second connecting ear through hole are respectively provided with a second positive spiral groove and a second reverse spiral groove, the second positive spiral groove and the second reverse spiral groove are cross-connected with each other; the outer wall of the insulating bushing is provided with a third positive spiral groove and a third reverse spiral groove, the third positive spiral groove and the third reverse spiral groove are cross-connected with each other, the inner wall of the insulating bushing is provided with a fourth positive spiral groove and a fourth reverse spiral groove, the fourth positive spiral groove and the fourth reverse spiral groove are cross-connected with each other.

4. The power output transmission shaft of the electric wheel mining vehicle according to claim 1, characterized in that: The multiple flange through holes of the first flange plate are located on the same circumference, and the multiple flange through holes of the second flange plate are located on the same circumference.

5. The power output transmission shaft of the electric wheel mining vehicle according to claim 1, characterized in that: The ends of the four first connecting shafts are connected together and arranged in a cross shape, and the ends of the four second connecting shafts are connected together and arranged in a cross shape.

6. An electric wheel mining vehicle using the power output transmission shaft of the electric wheel mining vehicle according to any one of claims 1 to 5, comprising: An engine installed at the front of the frame and a main generator installed in the middle of the frame are characterized in that an output end flange is provided at the power output end of the engine, a rotor of the main generator is connected to a power input end, the rotor is supported on bearings at the front and rear ends of the stator, an input end flange is provided at the power input end, the power input end and the second flange plate are connected by bolts, and the power output end and the first flange plate are connected by bolts.

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