CN215334361U

CN215334361U - Power driving assembly of electric tractor

Info

Publication number: CN215334361U
Application number: CN202121313566.1U
Authority: CN
Inventors: 关超华; 刘绪强; 廖均锋; 廖均博
Original assignee: Guangzhou Rilong Technology Co ltd
Current assignee: Guangzhou Rilong Technology Co ltd
Priority date: 2021-06-12
Filing date: 2021-06-12
Publication date: 2021-12-28
Anticipated expiration: 2031-06-12

Abstract

The utility model discloses a power driving assembly of an electric tractor, which is characterized in that an oil conveying pipe is arranged on the side surface of an oil tank by arranging an oil injection mechanism, the oil conveying pipe extends to the upper part of a first bevel gear and a second bevel gear inside a linkage box, a solenoid valve is arranged on the oil conveying pipe, when the power driving assembly is used, the solenoid valve is opened, oil in the oil tank can flow into the oil conveying pipe, flows out through an oil outlet cap at the bottom of the oil conveying pipe and drips on the surfaces of the first bevel gear and the second bevel gear, and the convenience of oil injection and maintenance of the power driving assembly of the electric tractor is realized, so the utility model belongs to the technical field of electric tractors.

Description

Power driving assembly of electric tractor

Technical Field

The utility model belongs to the technical field of electric tractors, and particularly relates to a power driving assembly of an electric tractor.

Background

The traditional fuel oil tractor has the problems of generating a large amount of tail gas, vibration, noise pollution and the like during operation, so that the electric tractor is produced at the right moment and gradually becomes the development trend of future tractors.

The linkage gear between the traditional power drive assemblies of the electric tractor is generally inconvenient to maintain by adding lubricating oil, and is inconvenient to use, so that the linkage gear needs to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a power driving assembly of an electric tractor, which is used for solving the defect that the conventional power driving assembly of the electric tractor is inconvenient to lubricate a connecting gear.

According to the embodiment of the first aspect of the utility model, the power driving assembly of the electric tractor comprises a linkage box, a second bevel gear and a transmission shaft, wherein a heat dissipation structure is arranged at the bottom end of the linkage box, an oil injection mechanism is arranged at the top end of the linkage box, the oil injection mechanism comprises an oil tank, an oil conveying pipe and an oil outlet cap, and the oil tank is fixed at the top end of the linkage box; a first bevel gear is installed at one end inside the linkage box, and a second bevel gear is installed at one side of the first bevel gear; and transmission shafts are arranged on two sides of the second bevel gear.

According to the power driving assembly of the electric tractor in the embodiment of the first aspect of the utility model, the transmission shaft is internally provided with the reinforcing structure, and the shaft tubes coated on the periphery of the transmission shaft are mounted on two sides of the linkage box.

According to the power driving assembly of the electric tractor in the embodiment of the first aspect of the utility model, the heat dissipation structure comprises a heat conduction plate, a protection frame and a heat dissipation sheet, the heat conduction plate is fixed at the bottom end of the linkage box, the protection frame is fixed at the bottom end of the heat conduction plate, and the heat dissipation sheet is fixed at the bottom end of the heat conduction plate in the protection frame.

According to the power driving assembly of the electric tractor in the embodiment of the first aspect of the utility model, a plurality of radiating fins are fixed at the bottom end of the heat conducting plate, and the radiating fins are distributed at equal intervals.

According to the power driving assembly of the electric tractor in the embodiment of the first aspect of the utility model, the first bevel gear and the second bevel gear are vertically distributed, and the first bevel gear and the second bevel gear are meshed with each other.

According to the power drive assembly of the electric tractor in the embodiment of the first aspect of the utility model, the bottom end of one side of the oil tank is provided with the oil delivery pipe, the bottom end of the oil delivery pipe extends into the linkage box, and the bottom end of the oil delivery pipe is provided with the oil outlet cap.

According to the power drive assembly of the electric tractor in the embodiment of the first aspect of the utility model, the reinforcing structure comprises a reinforcing inner core, a central column and a strut, the reinforcing inner core is arranged inside the transmission shaft, the central column is arranged inside the reinforcing inner core, and the strut is fixed on the surface of the central column.

According to the power drive assembly of the electric tractor in the embodiment of the first aspect of the utility model, a plurality of the support posts are fixed on the surface of the central post, and each support post is distributed annularly about the central axis of the central post.

One of the above technical solutions of the present invention has at least one of the following advantages or beneficial effects:

in this electric tractor power drive assembly, through setting up oiling mechanism, there is defeated oil pipe at oil tank side-mounting, defeated oil pipe extends to the top of the inside first helical gear of linkage case and second helical gear, installs the solenoid valve on defeated oil pipe, during the use, open the solenoid valve, during fluid in the oil tank can flow into defeated oil pipe, flow out at the cap of producing oil through defeated oil pipe bottom, drip on the surface of first helical gear and second helical gear, convenience when having realized this electric tractor power drive assembly oiling maintenance.

Drawings

The utility model is further described below with reference to the accompanying drawings and examples;

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic front sectional view of a heat dissipation structure according to the present invention;

FIG. 4 is a schematic three-dimensional structure of the heat dissipation structure of the present invention;

FIG. 5 is a schematic structural view of a front cross section of the oiling mechanism of the present invention;

fig. 6 is a schematic front sectional view of the reinforcing structure of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more features.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, and may be, for example, a fixed connection or a movable connection, a detachable connection or a non-detachable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other elements or indirectly connected through one or more other elements or in an interactive relationship between two elements.

The following disclosure provides many different embodiments, or examples, for implementing different aspects of the utility model.

Referring to fig. 1 to 6, a power driving assembly of an electric tractor is provided, including a linkage box 1, a second bevel gear 4 and a transmission shaft 5, the bottom end of the linkage box 1 is provided with a heat dissipation structure 2, the heat dissipation structure 2 includes a heat conduction plate 201, a protection frame 202 and cooling fins 203, the heat conduction plate 201 is fixed at the bottom end of the linkage box 1, the bottom end of the heat conduction plate 201 is fixed with the protection frame 202, the bottom end of the heat conduction plate 201 inside the protection frame 202 is fixed with the cooling fins 203, the cooling fins 203 are fixed at the bottom end of the heat conduction plate 201 and are distributed at equal intervals.

Specifically, as shown in fig. 1, 3 and 4, when the structure is used, the heat conducting plate 201 is fixed at the bottom end of the linkage box 1, a plurality of groups of radiating fins 203 are distributed on the heat conducting plate 201 side by side, the heat conducting plate 201 and the radiating fins 203 both have good heat conductivity, therefore, heat on the linkage box 1 can be transmitted to the surface of the radiating fins 203 through the heat conducting plate 201, the contact surface of the plurality of groups of radiating fins 203 with air is large, and heat exchange with air can be carried out rapidly.

In some embodiments of the present invention, an oil injection mechanism 7 is disposed at the top end of the linkage box 1, the oil injection mechanism 7 includes an oil tank 701, an oil delivery pipe 702 and an oil outlet cap 703, the oil tank 701 is fixed at the top end of the linkage box 1, the oil delivery pipe 702 is mounted at the bottom end of one side of the oil tank 701, the bottom end of the oil delivery pipe 702 extends to the inside of the linkage box 1, and the oil outlet cap 703 is mounted at the bottom end of the oil delivery pipe 702.

Specifically, as shown in fig. 1 and 5, when the mechanism is used, the oil tank 701 is mounted on the top of the linkage box 1, the oil delivery pipe 702 is mounted on the side surface of the oil tank 701, the oil delivery pipe 702 extends to the upper side of the first helical gear 3 and the second helical gear 4 inside the linkage box 1, the electromagnetic valve is mounted on the oil delivery pipe 702, when the mechanism is used, the electromagnetic valve is opened, oil liquid in the oil tank 701 can flow into the oil delivery pipe 702, and flows out through the oil outlet cap 703 at the bottom of the oil delivery pipe 702 and drops on the surfaces of the first helical gear 3 and the second helical gear 4, so that the first helical gear 3 and the second helical gear 4 can be lubricated and maintained.

In some embodiments of the present invention, a first helical gear 3 is installed at one end inside the linkage box 1, a second helical gear 4 is installed at one side of the first helical gear 3, the first helical gear 3 and the second helical gear 4 are vertically distributed, the first helical gear 3 and the second helical gear 4 are engaged with each other, transmission shafts 5 are installed at both sides of the second helical gear 4, and a reinforcing structure 8 is installed inside the transmission shafts 5.

The reinforcing structure 8 comprises a reinforcing inner core 801, a central column 802 and pillars 803, the reinforcing inner core 801 is arranged inside the transmission shaft 5, the central column 802 is arranged inside the reinforcing inner core 801, the pillars 803 are fixed on the surface of the central column 802, the pillars 803 are annularly distributed about the central axis of the central column 802, and the shaft tubes 6 are arranged on two sides of the linkage box 1.

Specifically, as shown in fig. 1 and 6, when the structure is used, the reinforcing core 801 is reinforced inside the transmission shaft 5, the central column 802 is filled inside the reinforcing core 801, and the support 803 is annularly fixed on the surface of the central column 802, so as to be integrally lined inside the transmission shaft 5, thereby enhancing the strength of the transmission shaft 5 to a certain extent, preventing the transmission shaft 5 from being bent or damaged during use so as to affect the use, and indirectly prolonging the service life of the transmission shaft 5.

The working principle is as follows: when the power-driven assembly of the electric tractor is used, firstly, the linkage box 1 is used for a long time, the temperature of the linkage box is sometimes high, the heat conducting plate 201 and the radiating fins 203 which have good heat conductivity are installed at the bottom of the linkage box 1, the heat on the surface of the linkage box 1 can be transmitted to the radiating fins 203 through the heat conducting plate 201, and the contact surface between the plurality of groups of radiating fins 203 and the air is large, so that the heat can be relatively quickly radiated to the surrounding air to radiate the linkage box 1.

Secondly, the transmission shaft 5 plays a role in power transmission, and is important, the reinforcing inner core 801 is reinforced in the transmission shaft 5, the reinforcing inner core 801 can be reinforced by lining the central column 802 and the pillars 803 on the surface of the central column 802 in the reinforcing inner core 801, and the reinforcing inner core 801 is integrally lined in the transmission shaft 5, so that the integral strength of the transmission shaft 5 can be increased, the transmission shaft is not easy to deform and damage, and the service life of the transmission shaft is indirectly prolonged.

Finally, in the operation process of the power driving assembly of the electric tractor, an operator can open the electromagnetic valve on the oil delivery pipe 702, so that oil in the oil tank 701 can enter the oil delivery pipe 702, and the oil can drip on the surfaces of the first helical gear 3 and the second helical gear 4 through the oil outlet cap 703 arranged at the bottom of the oil delivery pipe 702 to lubricate the oil, and finally the whole use process of the power driving assembly of the electric tractor is completed.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. Electric tractor power drive assembly, including linkage case, second helical gear and transmission shaft, its characterized in that: the bottom end of the linkage box is provided with a heat dissipation structure, the top end of the linkage box is provided with an oil injection mechanism, the oil injection mechanism comprises an oil tank, an oil delivery pipe and an oil outlet cap, and the oil tank is fixed at the top end of the linkage box; a first bevel gear is installed at one end inside the linkage box, and a second bevel gear is installed at one side of the first bevel gear; and transmission shafts are arranged on two sides of the second bevel gear.

2. A power drive assembly for an electric tractor according to claim 1, wherein: the inside of transmission shaft is provided with additional strengthening, the both sides of linkage case all install the cladding in the central siphon of transmission shaft periphery.

3. A power drive assembly for an electric tractor according to claim 1, wherein: the heat radiation structure comprises a heat conduction plate, a protection frame and radiating fins, wherein the heat conduction plate is fixed at the bottom end of the linkage box, the protection frame is fixed at the bottom end of the heat conduction plate, and the radiating fins are fixed at the bottom end of the heat conduction plate inside the protection frame.

4. A power drive assembly for an electric tractor according to claim 3, wherein: the bottom of the heat conducting plate is fixed with a plurality of radiating fins, and the radiating fins are distributed at equal intervals.

5. A power drive assembly for an electric tractor according to claim 1, wherein: the first bevel gear and the second bevel gear are vertically distributed, and the first bevel gear and the second bevel gear are meshed with each other.

6. A power drive assembly for an electric tractor according to claim 1, wherein: defeated oil pipe is installed to the bottom of oil tank one side, defeated oil pipe bottom extends to the inside of linkage case, the oil outlet cap is installed to defeated oil pipe's bottom.

7. A power drive assembly for an electric tractor according to claim 2, wherein: the reinforcing structure comprises a reinforcing inner core, a central column and a strut, the reinforcing inner core is arranged inside the transmission shaft, the central column is arranged inside the reinforcing inner core, and the strut is fixed on the surface of the central column.

8. The electric tractor power drive assembly of claim 7, wherein: the surface of the central column is fixed with a plurality of the supporting columns, and the supporting columns are distributed in an annular shape relative to the central axis of the central column.