Heavy mining dump truck and transmission shaft protective cover device thereof

Abstract

The utility model discloses a heavy-duty mining dump truck and a transmission shaft protective cover device thereof. The heavy-duty mining dump truck comprises an upper end cover, a lower end cover, a connecting part and a fixing part, the upper end cover and the lower end cover are butted together to form a cylinder and an annular plate which vertically extends outwards around the periphery of the inner side of the cylinder, the cylinder wraps a transmission shaft connected with the generator, and the annular plate covers the side vertical surface of the generator around the transmission shaft; the connecting part is used for fixing the upper end cover and the lower end cover which are butted together; the fixing part is installed on the upper end cover and / or the lower end cover, and the fixing part is fixed to a vehicle frame through a fastener. The protective cover is used for protecting the rotating transmission shaft and covering the generator, so that foreign matters are prevented from entering the generator, and the rotating transmission shaft is prevented from hurting people; holes are formed in the upper end cover and the lower end cover, ventilation of the generator can be guaranteed, and meanwhile the working state of the interior of the generator and the transmission shaft can be observed.

Description

Technical Field

[0001] The utility model relates to a transmission shaft protection cover device for heavy-duty mining dump trucks, belonging to the technical field of mining dump trucks. Background Art

[0002] Heavy-duty mining dump trucks are dump trucks used in open-pit mines to complete the tasks of rock and soil stripping and ore transportation. The working environment of heavy-duty mining dump trucks is sandy, dusty, and contains a lot of soil and lime. An environment with a high dust content is likely to cause dust accumulation on the outside of the transmission shaft of the mining truck, thereby causing a series of serious problems in the transmission system.

[0003] During the operation of the vehicle, there is a lot of dust in the surrounding environment and the dust content in the environment is high. If no protective measures are taken for the rotating transmission shaft, and the running time is long and the chance is too much, it is easy to affect the transmission shaft. In addition, without a protective cover for the rotating transmission shaft, there will also be potential safety hazards to the objects and people within the rotating range. Therefore, effective protective measures should be set for the transmission shaft to ensure better protection and prevention during operation, and to avoid damage to the transmission shaft and personal injury. Summary of the Invention

[0004] In view of the deficiencies of the existing technology, the utility model provides a transmission shaft protection cover device for heavy-duty mining dump trucks, which is used to protect the rotating transmission shaft, avoid the injury caused by the rotation of the transmission shaft to people during inspection, and at the same time, the working states of the inside of the generator and the transmission shaft can be observed through the observation holes.

[0005] The utility model is implemented according to the following technical solutions:

[0006] In a first aspect, the utility model provides a transmission shaft protection cover device for heavy-duty mining dump trucks, including an upper end cover, a lower end cover, a connecting component, and a fixing component; after the upper end cover and the lower end cover are butted together, they can form a cylinder and an annular plate vertically extending outward around the inner periphery of the cylinder. The cylinder wraps the transmission shaft connected to the generator, and the annular plate covers the side surface of the generator located around the transmission shaft; the connecting component is used to fix the butted upper and lower end covers together; the fixing component is installed on the upper end cover and / or the lower end cover, and the fixing component is fixed to the vehicle frame through fasteners.

[0007] In some embodiments, both the upper end cover and the lower end cover are integrally formed or welded by vertical semi-circular plates and semi-cylindrical plates; the upper and lower semi-cylindrical plates are butted together to form the cylinder, and the upper and lower vertical semi-circular plates are butted together to form the annular plate.

[0008] In some embodiments, the vertical semi-circular plates in the upper end cover and the lower end cover are both hollow plates.

[0009] In some embodiments, the hollow structure on the vertical semi-circular plate is composed of multiple uniformly arranged fan-shaped holes.

[0010] In some embodiments, the connecting component includes a first connecting component for fixing the upper and lower semi-cylindrical plates and a second connecting component for fixing the upper and lower vertical semi-circular plates.

[0011] In some embodiments, at least one of the second connecting components is provided at each joint of the upper and lower vertical semi-circular plates on both sides of the cylinder; the second connecting component includes:

[0012] An upper ear plate with a through hole, which is horizontally fixed at the splicing edge of the upper vertical semi-circular plate;

[0013] A lower ear plate with a through hole, which is horizontally fixed at the splicing edge of the lower vertical semi-circular plate. The upper and lower ear plates can be fitted together, and the upper and lower through holes are coaxially arranged;

[0014] A bolt and a nut. The bolt passes through the upper and lower through holes, and after tightening the bolt with the nut, the upper and lower vertical semi-circular plates are fixed together.

[0015] In some embodiments, the first connecting component includes at least one connecting component a for axially fixing the upper and lower semi-cylindrical plates and at least one connecting component b for radially fixing the upper and lower semi-cylindrical plates.

[0016] In some embodiments, at least one connecting component a is located at the joint of the upper and lower semi-cylindrical plates on one side, and at least one connecting component b is located at the joint of the upper and lower semi-cylindrical plates on the other side;

[0017] The connecting component a includes:

[0018] A front ear plate with a through hole, which is longitudinally fixed at the splicing edge of the upper semi-cylindrical plate;

[0019] A rear ear plate with a through hole, which is longitudinally fixed at the splicing edge of the lower semi-cylindrical plate. The front and rear ear plates can be fitted together, and the front and rear through holes are coaxially arranged;

[0020] A bolt and a nut. The bolt passes through the front and rear through holes, and after tightening the bolt with the nut, the upper and lower semi-cylindrical plates are fixed together;

[0021] The connecting component b includes:

[0022] An upper ear plate with a through hole, which is horizontally fixed at the splicing edge of the upper semi-cylindrical plate;

[0023] The lower ear plate with a through hole is horizontally fixed at the splicing edge of the lower semi-cylindrical plate. The upper and lower ear plates can fit together, and the upper and lower through holes are coaxially arranged.

[0024] Bolts and nuts. The bolts pass through the upper and lower through holes, and after tightening the bolts with the nuts, the upper and lower semi-cylindrical plates are fixed together.

[0025] In some embodiments, the fixing component is a connecting seat that vertically extends outward around the outer periphery of the semi-cylindrical plate. The connecting seat is provided with through holes evenly distributed along its circumferential direction; the fastening components are multiple bolts, and one bolt passes through one through hole.

[0026] In a second aspect, the present invention provides a heavy-duty mining dump truck, including a generator, a transmission shaft, and the above-mentioned heavy-duty mining dump truck transmission shaft protection cover device.

[0027] Advantages of the present invention:

[0028] The heavy-duty mining dump truck transmission shaft protection cover device provided by the present invention is used to protect the rotating transmission shaft, and at the same time cover the generator to prevent foreign objects from entering the generator, and at the same time avoid the harm caused by the rotating transmission shaft to people; the upper end cover and the lower end cover are a split assembly structure, which is convenient for installation and disassembly; the upper end cover and the lower end cover are provided with openings, which can ensure the ventilation of the generator, and at the same time can observe the working state of the interior of the generator and the transmission shaft. Description of the drawings

[0029] The drawings, as a part of the present invention, are used to provide a further understanding of the present invention. The schematic embodiments of the present invention and their descriptions are used to explain the present invention, but do not constitute an improper limitation to the present invention. Obviously, the drawings described below are only some embodiments, and those of ordinary skill in the art can obtain other drawings based on these drawings without creative efforts.

[0030] In the drawings:

[0031] Figure 1 is an assembly schematic diagram of the transmission shaft protection cover device of the present invention;

[0032] Figure 2 is an axonometric schematic diagram of the transmission shaft protection cover device of the present invention;

[0033] Figure 3 is a front view schematic diagram of the transmission shaft protection cover device of the present invention;

[0034] Figure 4 is an axonometric schematic diagram of the upper end cover of the present invention;

[0035] Figure 5Axonometric schematic of the upper part of the transmission shaft protection cover device of the present utility model Figure 1 ;

[0036] Figure 6 Axonometric schematic of the upper part of the transmission shaft protection cover device of the present utility model Figure 2 ;

[0037] Figure 7 Axonometric schematic of the upper part of the transmission shaft protection cover device of the present utility model Figure 3 ;

[0038] Figure 8 Bottom view schematic of the transmission shaft protection cover device of the present utility model.

[0039] Reference signs in the drawings: 1 - upper end cover, 2 - vertical semi-circular plate, 3 - second connecting component, 4 - lower end cover, 5 - fixing component, 6 - connecting component, 7 - first connecting component, 8 - semi-cylindrical plate, 9 - connecting component a, 10 - connecting component b, 11 - fan-shaped hole, 12 - bolt, 13 - upper ear plate, 14 - front ear plate, 15 - upper ear plate, 16 - bolt, 17 - nut, 100 - generator, 200 - transmission shaft protection cover, 300 - transmission shaft.

[0040] It should be noted that these drawings and textual descriptions are not intended to limit the scope of the concept of the present utility model in any way, but rather to illustrate the concept of the present utility model to those skilled in the art by reference to specific embodiments. Detailed implementation manners

[0041] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The following embodiments are used to illustrate the present utility model but are not used to limit the scope of the present utility model.

[0042] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model.

[0043] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0044] As Figure 1 , Figure 2 , Figure 3 , Figure 8 shown, a drive shaft protective cover device 200 for a heavy-duty mining dump truck includes an upper end cover 1, a lower end cover 4, a connecting member 9, and a fixing member 5; after the upper end cover 1 and the lower end cover 4 are butted together, they can form a cylinder and an annular plate vertically extending outward around the inner periphery of the cylinder. The cylinder wraps the drive shaft 300 connected to the generator 100, and the annular plate covers the side surface of the generator 100 located around the drive shaft 300, for protecting the rotating drive shaft 300, and at the same time covering the generator 100 to prevent foreign objects from entering the generator 100, and at the same time preventing the rotating drive shaft 30 from causing harm to people; the connecting member 6 is used to fix the butted upper end cover 1 and lower end cover 4 together; the fixing member 12 is installed on the upper end cover 1 and / or the lower end cover 4, and the fixing member 5 is fixed to the vehicle frame by fasteners. The tooling of the present utility model is simple, has good stability, is convenient to use, and can effectively improve the protection effect.

[0045] The following further describes the above-mentioned upper end cover and lower end cover.

[0046] A further solution, as Figure 2 , Figure 4 , Figure 8 shown, both the upper end cover 1 and the lower end cover 4 are integrally formed or welded by vertical semi-circular plates 2 and semi-cylindrical plates 8; the upper and lower semi-cylindrical plates 8 are butted together to form a cylinder, and the upper and lower vertical semi-circular plates 2 are butted together to form an annular plate. Among them, the sizes of the upper end cover 1 and the lower end cover 4 are determined by the diameter of the drive shaft 300, and their sizes should ensure no interference with the rotating drive shaft 300.

[0047] A further solution, as Figure 2 , Figure 3 , Figure 4 , Figure 8 shown, the vertical semi-circular plates 2 in both the upper end cover 1 and the lower end cover 4 are hollow plates.

[0048] A preferred solution, as Figure 2 , Figure 3 , Figure 4 ,Figure 8 As shown, the hollow structure on the vertical semi-circular plate 2 is composed of multiple uniformly arranged sector holes 11; the function of the holes is to ensure the ventilation of the generator, and at the same time, the working conditions inside the generator and the transmission shaft can be observed. In addition, it can also play a role in safety protection and prevent foreign objects from entering the generator.

[0049] It should be noted that the hollow plate is not limited to the above structure and can be set to other forms of hole distributions, such as square holes, round holes, etc.

[0050] The above-mentioned connecting components will be further described below.

[0051] As Figure 2 , Figure 3 , Figure 8 shown, the connecting component 6 includes a first connecting component 7 for fixing the upper and lower semi-cylindrical plates 8 and a second connecting component 3 for fixing the upper and lower vertical semi-circular plates 2.

[0052] In a further solution, as Figure 5 , Figure 6 , Figure 7 shown, at least one second connecting component 3 is provided at the splicing joint of the upper and lower vertical semi-circular plates 2 on both sides of the cylinder; the second connecting component 3 includes an upper ear plate 13 with a through hole, a lower ear plate with a through hole, a bolt 16, and a nut 17; the upper ear plate 13 with a through hole is horizontally fixed at the splicing edge of the upper vertical semi-circular plate 2; the lower ear plate with a through hole is horizontally fixed at the splicing edge of the lower vertical semi-circular plate 2, and the upper and lower ear plates can be fitted together, and the upper and lower through holes are coaxially arranged; the bolt 16 is inserted into the upper and lower through holes, and after the bolt 16 is tightened by the nut 17, the upper and lower vertical semi-circular plates 2 are fixed together.

[0053] In a further solution, as Figure 3 , Figure 8 shown, the first connecting component 7 includes at least one connecting component a9 for axially fixing the upper and lower semi-cylindrical plates 8 and at least one connecting component b10 for radially fixing the upper and lower semi-cylindrical plates 8.

[0054] In a further solution, as Figure 3 , Figure 8 shown, at least one connecting component a9 is located at the splicing joint of the upper and lower semi-cylindrical plates 8 on one side, and at least one connecting component b10 is located at the splicing joint of the upper and lower semi-cylindrical plates 8 on the other side.

[0055] The above-mentioned connecting component a will be further described below.

[0056] As Figure 5 , Figure 6 , Figure 7As shown in the figure, the connecting component a9 includes a front ear plate 14 with a through hole, a rear ear plate with a through hole, a bolt 16, and a nut 17; the front ear plate 14 with a through hole is longitudinally fixed at the splicing edge of the upper semi-cylindrical plate 8; the rear ear plate with a through hole is longitudinally fixed at the splicing edge of the lower semi-cylindrical plate 8. The front and rear ear plates can be fitted together, and the front and rear through holes are coaxially arranged; the bolt 16 is inserted into the front and rear through holes, and after the bolt 16 is tightened by the nut 17, the upper and lower semi-cylindrical plates 8 are fixed together.

[0057] The above-mentioned connecting component b will be further described below.

[0058] As Figure 5 , Figure 6 , Figure 7 As shown in the figure, the connecting component b10 includes an upper ear plate 15 with a through hole, a lower ear plate with a through hole, a bolt 16, and a nut 17; the upper ear plate 15 with a through hole is horizontally fixed at the splicing edge of the upper semi-cylindrical plate 8; the lower ear plate with a through hole is horizontally fixed at the splicing edge of the lower semi-cylindrical plate 8. The upper and lower ear plates can be fitted together, and the upper and lower through holes are coaxially arranged; the bolt 16 is inserted into the upper and lower through holes, and after the bolt 16 is tightened by the nut 17, the upper and lower semi-cylindrical plates 8 are fixed together.

[0059] The above-mentioned fixing component will be further described below.

[0060] As Figure 2 , Figure 5 , Figure 6 , Figure 7 As shown in the figure, the fixing component 5 is a connecting seat that vertically extends outward around the outer periphery of the semi-cylindrical plate 8, and through holes are evenly distributed along its circumferential direction; the fasteners are a plurality of bolts 12, and one bolt 12 is inserted into one through hole.

[0061] It should be noted that the connecting seat is shown on the upper semi-cylindrical plate 8 in the attached drawing embodiments, and corresponding changes can be made according to requirements in actual design.

[0062] In summary, the heavy-duty mining dump truck drive shaft protection cover device provided by the present invention is used to protect the rotating drive shaft, and at the same time cover the generator to prevent foreign objects from entering the generator, and at the same time prevent the rotating drive shaft from causing harm to people; the upper end cover and the lower end cover are a split assembly structure, which is convenient for installation and disassembly; the upper end cover and the lower end cover are provided with openings, which can ensure the ventilation of the generator and at the same time observe the working conditions inside the generator and the drive shaft.

[0063] The heavy-duty mining dump truck provided by the present invention will be described below. The heavy-duty mining dump truck described below can be mutually corresponding and referred to the drive shaft protection cover device described above.

[0064] A heavy-duty mining dump truck provided by the present utility model may include a drive shaft protection cover device as described in any one of the above embodiments.

[0065] The beneficial effects achieved by the heavy-duty mining dump truck provided by the present utility model are consistent with those achieved by the drive shaft protection cover device provided by the present utility model, so they will not be elaborated here.

[0066] In the specification provided herein, a large number of specific details are described. However, it can be understood that the embodiments of the present utility model can be practiced without these specific details. In some instances, well-known methods, structures, and technologies are not shown in detail so as not to obscure the understanding of this specification.

[0067] In addition, those skilled in the art can understand that although some of the embodiments described herein include certain features contained in other embodiments rather than other features, the combinations of the features of different embodiments also mean that they are within the protection scope of the present utility model and form different embodiments. For example, in the above embodiments, those skilled in the art can use them in a combined manner according to the known technical solutions and the technical problems to be solved by this application.

[0068] The above description is only a preferred embodiment of the present utility model and does not impose any form of limitation on the present utility model. Although the present utility model has been disclosed above with the preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art of this patent, without departing from the scope of the technical solution of the present utility model, can make some modifications or refinements to equivalent embodiments with equivalent changes by using the technical content prompted above. However, any simple modification, equivalent change, and refinement made to the above embodiments based on the technical essence of the present utility model without departing from the content of the technical solution of the present utility model still fall within the scope of the present utility model.

Claims

1. A transmission shaft protective cover device for a heavy-duty mining dump truck, characterized in that: include: The upper end cover and the lower end cover, when butt-jointed together, can form a cylinder and an annular plate extending vertically outward around the inner periphery of the cylinder, the cylinder wraps the transmission shaft connected to the generator, and the annular plate covers the side elevation of the generator located around the transmission shaft; A connecting component, used to fix the upper and lower end covers that are butt-jointed together; A fixing component is mounted on the upper end cover and / or the lower end cover, and the fixing component is fixed to the vehicle frame via fasteners.

2. A transmission shaft protective cover device for a heavy-duty mining dump truck according to claim 1, characterized in that: The upper end cover and the lower end cover are both formed by integrally molding or welding a vertical semicircular plate and a semi-cylindrical plate; The cylinder is formed by butting together the upper and lower semi-cylindrical plates, and the annular plate is formed by butting together the upper and lower vertical semi-circular plates.

3. A transmission shaft protective cover device for a heavy-duty mining dump truck according to claim 2, characterized in that: The vertical semicircular plates in the upper end cover and the lower end cover are both hollow plates.

4. A transmission shaft protective cover device for a heavy-duty mining dump truck according to claim 3, characterized in that: The hollow structure on the vertical semicircular plate is composed of a plurality of evenly arranged fan-shaped holes.

5. The heavy-duty mining dump truck transmission shaft protective cover device according to claim 2, characterized in that: The connecting components include a first connecting component for fixing the upper and lower semi-cylindrical plates and a second connecting component for fixing the upper and lower vertical semi-circular plates.

6. A transmission shaft protective cover device for a heavy-duty mining dump truck according to claim 5, characterized in that: At least one second connecting component is provided at each of the joints of the upper and lower vertical semicircular plates on both sides of the cylinder; the second connecting component includes: An upper ear plate with through holes is transversely fixed to the joint edge of the upper vertical semicircular plate; The lower ear plate with through holes is transversely fixed at the joint edge of the lower vertical semicircular plate, the upper and lower ear plates can be fitted together, and the upper and lower through holes are coaxially arranged; Bolts and nuts are inserted into the upper and lower through holes, and the upper and lower vertical semicircular plates are fixed together after the bolts are tightened by the nuts.

7. The transmission shaft protective cover device for a heavy-duty mining dump truck according to claim 5, characterized in that: The first connecting component includes at least one connecting component a for axially fixing the upper and lower semi-cylindrical plates and at least one connecting component b for radially fixing the upper and lower semi-cylindrical plates.

8. The transmission shaft protective cover device for a heavy-duty mining dump truck according to claim 7, characterized in that: At least one connecting component a is located at the joint of the upper and lower semi-cylindrical plates on one side, and at least one connecting component b is located at the joint of the upper and lower semi-cylindrical plates on the other side; The connecting component a comprises: A front ear plate with through holes is longitudinally fixed to the joint edge of the upper semi-cylindrical plate; The rear ear plate with through holes is longitudinally fixed at the joint edge of the lower semi-cylindrical plate, the front and rear ear plates can be fitted together, and the front and rear through holes are coaxially arranged; Bolts and nuts, wherein the bolts are inserted into the front and rear through holes, and the upper and lower semi-cylindrical plates are fixed together after the bolts are tightened by the nuts; The connecting component b comprises: An upper ear plate with through holes is transversely fixed at the joint edge of the upper semi-cylindrical plate; The lower ear plate with through holes is transversely fixed at the joint edge of the lower semi-cylindrical plate, the upper and lower ear plates can be fitted together, and the upper and lower through holes are coaxially arranged; Bolts and nuts are inserted into the upper and lower through holes, and the upper and lower semi-cylindrical plates are fixed together after the bolts are tightened by the nuts.

9. The transmission shaft protective cover device for a heavy-duty mining dump truck according to claim 2 is characterized in that: The fixing component is a connecting seat extending vertically outward around the outer periphery of the semi-cylindrical plate, and the connecting seat is provided with through holes evenly distributed along its circumference; the fastener is a plurality of bolts, and one bolt is inserted into one through hole.

10. A heavy-duty mining dump truck, comprising a generator and a transmission shaft, characterized in that: It also includes the transmission shaft protective cover device of the heavy-duty mining dump truck as described in any one of claims 1 to 9.

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