End cover structure of large traction motor

Abstract

The utility model discloses an end cover structure of a large traction motor, and relates to the technical field of new energy motor shell end covers. The end cover structure of the large traction motor comprises an end cover main body, the outer surface of the end cover main body is provided with a mounting plate, an observation window, an air inlet channel, an outer reinforcing ring, a first reinforcing rib and a second reinforcing rib, the inner surface of the end cover main body is provided with an inner reinforcing ring, a third reinforcing rib and a fourth reinforcing rib, and the inner surface of the air inlet channel is provided with a supporting rib. A mounting hole is formed in the outer surface of the mounting plate, a liquid injection hole channel and a liquid drainage hole channel are formed in the end cover main body, and a bearing chamber is arranged in the middle of the interior of the end cover main body; the end cover body, the mounting plate, the observation window, the air inlet channel, the outer reinforcing ring, the first reinforcing rib, the second reinforcing rib, the supporting rib, the inner reinforcing ring, the third reinforcing rib and the fourth reinforcing rib are of an integrated structure, the strength of the inner side and the outer side of the end cover body is improved, and the use requirement of the large traction motor is better met.

Description

Technical Field

[0001] The utility model relates to the technical field of new energy motor housing end covers, in particular to an end cover structure of a large traction motor. Background Technique

[0002] An end cover is a rear cover installed behind the housing of a motor or the like. The main function of the end cover is to form the motor body, protect the stator and rotor, and support the stator and rotor. It is an important part of the motor and is generally divided into a front cover and a rear cover, which are used to fix and support the motor shaft. The design and manufacture of the end cover are crucial for ensuring the performance and reliability of the motor.

[0003] The existing end cover structure of a large traction motor has low structural strength, is prone to damage after being used for a period of time, has a short service life, is difficult to meet the use requirements of a large traction motor, and has poor practicability. Content of the Utility Model

[0004] In view of the deficiencies of the prior art, the utility model provides an end cover structure of a large traction motor to solve the problems presented in the above background technique.

[0005] To achieve the above object, the utility model is realized through the following technical solutions: an end cover structure of a large traction motor, including an end cover body, on the outer surface of the end cover body are provided an installation plate, an observation window, an air inlet duct, an outer reinforcement ring, a first reinforcing rib and a second reinforcing rib, on the inner surface of the end cover body are provided an inner reinforcement ring, a third reinforcing rib and a fourth reinforcing rib, on the inner surface of the air inlet duct are provided support ribs, on the outer surface of the installation plate are opened installation holes, inside the end cover body are opened a liquid injection hole channel and a liquid discharge hole channel, in the middle of the inside of the end cover body is provided a bearing chamber, and the end cover body, the installation plate, the observation window, the air inlet duct, the outer reinforcement ring, the first reinforcing rib, the second reinforcing rib, the support ribs, the inner reinforcement ring, the third reinforcing rib and the fourth reinforcing rib are of an integral structure.

[0006] Preferably, the air inlet duct is arranged on the top of the end cover body and the installation plate, the inside of the air inlet duct is communicated with the inside of the end cover body, and the support ribs are linearly arranged along the inner surface of the air inlet duct.

[0007] Preferably, the outer reinforcement ring and the inner reinforcement ring are arranged on both sides of the bearing chamber, and the first reinforcing rib and the third reinforcing rib are both arranged in an annular pattern with the axis of the bearing chamber as the axis.

[0008] Preferably, the second reinforcing rib is arranged at the interval of the first reinforcing rib, and the fourth reinforcing rib is arranged at the interval of the third reinforcing rib.

[0009] Preferably, the end of the first reinforcing rib is arranged on the outer surface of the outer reinforcement ring, and the end of the third reinforcing rib is arranged on the outer surface of the inner reinforcement ring.

[0010] Preferably, the mounting plate is arranged at the edge of the outer surface of the end cover body, and the mounting holes are arranged around the end cover body.

[0011] Preferably, the top of the liquid injection hole channel is arranged at the top of the end cover body, and the bottom of the liquid injection hole channel is arranged at the top of the bearing chamber.

[0012] Preferably, the top of the liquid discharge hole channel is arranged at the bottom of the bearing chamber, and the bottom of the liquid discharge hole channel is arranged at the bottom of the end cover body.

[0013] Beneficial effects

[0014] The utility model provides an end cover structure for a large traction motor, which has the following beneficial effects:

[0015] In the end cover structure of the large traction motor, by setting the end cover body, the air inlet duct, the support ribs, the outer reinforcement ring, the first reinforcing rib, the second reinforcing rib, the inner reinforcement ring, the third reinforcing rib and the fourth reinforcing rib as an integral structure, the rigidity of the air inlet duct and the bearing chamber is improved, and the strength on both the inner and outer sides of the end cover body is also improved, which can better meet the use requirements of the large traction motor and extend the service life of the end cover. Description of the drawings

[0016] Figure 1 is a schematic structural diagram of the whole of the utility model;

[0017] Figure 2 is a schematic structural diagram of the second perspective of the whole of the utility model;

[0018] Figure 3 is a schematic cross-sectional structural diagram of the whole of the utility model.

[0019] In the figure: 1, end cover body; 2, mounting plate; 3, observation window; 4, air inlet duct; 5, mounting holes; 6, outer reinforcement ring; 7, bearing chamber; 8, first reinforcing rib; 9, second reinforcing rib; 10, support ribs; 11, inner reinforcement ring; 12, third reinforcing rib; 13, fourth reinforcing rib; 14, liquid injection hole channel; 15, liquid discharge hole channel. Specific embodiments

[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0021] Embodiment 1:

[0022] AsFigures 1-3 As shown in the figure, the present utility model provides an end cover structure for a large traction motor, which includes an end cover main body 1. An installation plate 2, an observation window 3, an air inlet duct 4, an outer reinforcement ring 6, a first reinforcing rib 8 and a second reinforcing rib 9 are arranged on the outer surface of the end cover main body 1. An inner reinforcement ring 11, a third reinforcing rib 12 and a fourth reinforcing rib 13 are arranged on the inner surface of the end cover main body 1. A support rib 10 is arranged on the inner surface of the air inlet duct 4. Installation holes 5 are formed on the outer surface of the installation plate 2. A liquid injection hole channel 14 and a liquid discharge hole channel 15 are formed inside the end cover main body 1. A bearing chamber 7 is arranged in the middle inside the end cover main body 1. The end cover main body 1, the installation plate 2, the observation window 3, the air inlet duct 4, the outer reinforcement ring 6, the first reinforcing rib 8, the second reinforcing rib 9, the support rib 10, the inner reinforcement ring 11, the third reinforcing rib 12 and the fourth reinforcing rib 13 are of an integral structure.

[0023] Specifically, the air inlet duct 4 is arranged on the top of the end cover main body 1 and the installation plate 2. The inside of the air inlet duct 4 is communicated with the inside of the end cover main body 1. The support ribs 10 are linearly arranged along the inner surface of the air inlet duct 4.

[0024] Specifically, the outer reinforcement ring 6 and the inner reinforcement ring 11 are arranged on both sides of the bearing chamber 7. The first reinforcing rib 8 and the third reinforcing rib 12 are both arranged in a circular pattern with the axis of the bearing chamber 7 as the axis.

[0025] Specifically, the second reinforcing rib 9 is arranged at the interval of the first reinforcing rib 8. The fourth reinforcing rib 13 is arranged at the interval of the third reinforcing rib 12.

[0026] Specifically, the end of the first reinforcing rib 8 is arranged on the outer surface of the outer reinforcement ring 6. The end of the third reinforcing rib 12 is arranged on the outer surface of the inner reinforcement ring 11.

[0027] Specifically, the installation plate 2 is arranged at the edge of the outer surface of the end cover main body 1. The installation holes 5 are arranged around the end cover main body 1.

[0028] Specifically, the top of the liquid injection hole channel 14 is arranged on the top of the end cover main body 1. The bottom of the liquid injection hole channel 14 is arranged on the top of the bearing chamber 7.

[0029] Specifically, the top of the liquid discharge hole channel 15 is arranged at the bottom of the bearing chamber 7. The bottom of the liquid discharge hole channel 15 is arranged at the bottom of the end cover main body 1.

[0030] The working principle and beneficial effects of the above embodiments.

[0031] During use, an integral outer reinforcement ring 6, a first reinforcing rib 8 and a second reinforcing rib 9 are provided on the outer surface of the end cover body 1, and an integral inner reinforcement ring 11, a third reinforcing rib 12 and a fourth reinforcing rib 13 are provided on the inner surface of the end cover body 1, which improves the strength of both the inner and outer sides of the end cover body 1 and can better meet the usage requirements of large traction motors. The inner reinforcement ring 11 and the outer reinforcement ring 6 increase the stiffness of the bearing chamber 7, making the bearing chamber 7 not easily damaged. A support rib 10 is provided inside the air inlet duct 4, and the support rib 10 provides support for the air inlet duct 4 to prevent the air inlet duct 4 from deforming under the condition of a large air inlet volume. By injecting lubricating oil into the liquid injection hole channel 14, lubrication is provided for the bearings of the large traction motor, making the operation of the large traction motor smoother. The waste lubricating oil flows along the inner surface of the bearing chamber 7 into the drain hole channel 15, so that the waste lubricating oil is discharged to prevent the waste lubricating liquid from entering the interior of the large traction motor.

[0032] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or sequence between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device. Without further limitation. An element defined by the statement "comprising an..." does not exclude the existence of additional identical elements in the process, method, article or device comprising the element.

[0033] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. End cover structure of large traction motor, including end cover body, characterized in that: The outer surface of the end cover body is provided with a mounting plate, an observation window, an air inlet duct, an outer reinforcement ring, a first reinforcing rib and a second reinforcing rib. The inner surface of the end cover body is provided with an inner reinforcement ring, a third reinforcing rib and a fourth reinforcing rib. The inner surface of the air inlet duct is provided with support ribs. The outer surface of the mounting plate is provided with mounting holes. The interior of the end cover body is provided with a liquid injection hole passage and a liquid discharge hole passage. A bearing chamber is arranged at the middle part inside the end cover body. The end cover body, the mounting plate, the observation window, the air inlet duct, the outer reinforcement ring, the first reinforcing rib, the second reinforcing rib, the support ribs, the inner reinforcement ring, the third reinforcing rib and the fourth reinforcing rib are of an integral structure.

2. The end cover structure of the large traction motor according to claim 1, characterized in that: The air inlet duct is arranged at the top of the end cover body and the mounting plate. The interior of the air inlet duct is communicated with the interior of the end cover body. The support ribs are linearly arranged along the inner surface of the air inlet duct.

3. The end cover structure of the large traction motor according to claim 1, characterized in that: The outer reinforcement ring and the inner reinforcement ring are arranged on both sides of the bearing chamber. Both the first reinforcing rib and the third reinforcing rib are arranged in a circular pattern with the axis of the bearing chamber as the axis.

4. The end cover structure of the large traction motor according to claim 1, characterized in that: The second reinforcing rib is arranged at the intervals of the first reinforcing rib. The fourth reinforcing rib is arranged at the intervals of the third reinforcing rib.

5. The end cover structure of the large traction motor according to claim 1, characterized in that: The end of the first reinforcing rib is arranged on the outer surface of the outer reinforcement ring. The end of the third reinforcing rib is arranged on the outer surface of the inner reinforcement ring.

6. The end cover structure of the large traction motor according to claim 1, characterized in that: The mounting plate is arranged at the edge of the outer surface of the end cover body. The mounting holes are arranged around the end cover body.

7. The end cover structure of the large traction motor according to claim 1, characterized in that: The top of the liquid injection hole passage is arranged at the top of the end cover body. The bottom of the liquid injection hole passage is arranged at the top of the bearing chamber.

8. The end cover structure of the large traction motor according to claim 1, characterized in that: The top of the liquid discharge hole passage is arranged at the bottom of the bearing chamber. The bottom of the liquid discharge hole passage is arranged at the bottom of the end cover body.

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