CN212959768U

CN212959768U - Gearbox shell

Info

Publication number: CN212959768U
Application number: CN202021518646.6U
Authority: CN
Inventors: 王彬
Original assignee: Jiangsu Wangpai Power Technology Co ltd
Current assignee: Jiangsu Wangpai Power Technology Co ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-04-13
Anticipated expiration: 2030-07-28

Abstract

The utility model discloses a gearbox shell, which mainly comprises a front shell and a rear shell, wherein the front shell and the rear shell are fixed by bolts, the top of the front shell is provided with an oil injection port, and the middle part of the front shell is provided with an oil meter; the rear shell is provided with a pressure release valve, and the bottom of the rear shell is provided with an oil drainage bolt; the lower part is equipped with circulation oilhole in procapsid and the back casing, and procapsid and back casing four corners are equipped with fixed arch. The utility model provides a gearbox shell, which is divided into a front shell and a rear shell, the middle of the front shell and the rear shell is fixed by bolts, and a sealing oil pad is arranged inside the front shell and coated with sealant, so that the air tightness in the gearbox is ensured; be equipped with fuel gauge and relief valve, but real-time supervision oil mass and atmospheric pressure to leave the circulation oilhole, realize the circulative cooling of fluid, be equipped with the strengthening rib, guarantee the high strength of casing.

Description

Gearbox shell

Technical Field

The utility model relates to a casing equipment technical field, more specifically the utility model relates to a gearbox housing that says so.

Background

The gearbox housing is a housing structure for the gearbox drive structure and its accessories. In order to reduce the part wear and power loss caused by internal friction, lubricating oil is injected into the shell, and the working surfaces of the parts such as gear pairs, shafts, bearings and the like are lubricated by adopting a splash lubrication mode. Therefore, one side of the shell is provided with an oil filling port, the bottom of the shell is provided with an oil drain plug, and the height of the oil level is controlled by the position of the oil filling port. Radial oil holes are drilled on the first shaft constant mesh gear and the third gear on the second shaft, and radial oil grooves are formed in the end faces of hubs of the reverse gear intermediate gear and the intermediate shaft constant mesh transmission gear so as to lubricate needle roller bearings at the positions. In order to prevent lubricating oil from flowing into the clutch from the gap between the first shaft and the bearing cover to influence the friction performance of the clutch, an oil seal assembly is arranged in the bearing cover, and an oil return groove is formed in an inner hole of the bearing cover, so that oil leakage can be prevented. For the gearbox shell, lubricating oil plays an important role as 'blood', and for the detection method of lubricating oil, the owner himself can not find problems existing in the lubricating oil in time, such as: the oil mass is lower, gearbox internal pressure is too high, the temperature is too high etc, and any kind of problem all can produce the damage to the gearbox, can't the self-checking to the car owner, need wait until the problem can know after taking place, can not accomplish not rain silk and muir, prepares in advance.

Therefore, in order to solve the above problems, it is an urgent need of those skilled in the art to provide a transmission housing which can monitor the amount of lubricating oil, adjust the pressure in the transmission, and has good sealing performance and high strength.

SUMMERY OF THE UTILITY MODEL

In view of the above, the utility model provides a gearbox casing, divide into procapsid and rear housing, the centre adopts the bolt fastening, and inside is equipped with the sealed oil blanket and is scribbled sealed glue, guarantees the gas tightness in the gearbox; be equipped with fuel gauge and relief valve, but real-time supervision oil mass and atmospheric pressure to leave the circulation oilhole, realize the circulative cooling of fluid, be equipped with the strengthening rib, guarantee the high strength of casing.

In order to achieve the above object, the utility model provides a following technical scheme: a gearbox shell mainly comprises a front shell and a rear shell, wherein the front shell and the rear shell are fixed by bolts, an oil injection port is formed in the top of the front shell, and an oil meter is arranged in the middle of the front shell; the rear shell is provided with a pressure release valve, and the bottom of the rear shell is provided with an oil drainage bolt; the lower part is equipped with circulation oilhole in procapsid and the back casing, and procapsid and back casing four corners are equipped with fixed arch.

Preferably, in the gearbox housing, the front housing and the rear housing are provided with reinforcing ribs in various directions.

Preferably, in the gearbox housing, six fixing protrusions are arranged on the front housing and the rear housing and are distributed in an up-and-down symmetrical manner.

Preferably, in the gearbox housing, the sealing oil pad is arranged inside the connecting bolt between the front housing and the rear housing and is coated with the sealant.

Preferably, in the above gearbox housing, a pressure gauge is connected behind the pressure relief valve.

Preferably, in the transmission case of the above type, the circulation oil holes are provided in the lower middle portions of the front case and the rear case, respectively, and are located on the same horizontal line.

According to the technical scheme, compare with prior art, the utility model provides a gearbox housing, two casings around being equipped with can monitor oil mass and pressure respectively, and housing face is equipped with the strengthening rib, has improved the intensity of casing greatly, is equipped with oiling mouth and oil drain bolt, and it is convenient to change lubricating oil, and the inside sealed oil pad that is equipped with of junction can prevent oil leak and gas leakage.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1. a front housing; 2. a rear housing; 3. sealing the oil pad; 4. an oil filling port; 5. a fuel gauge; 6. a pressure relief valve; 7. a pressure gauge; 8. an oil drain bolt; 9. a fixed protrusion; 10. and the oil circulation hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The embodiment of the utility model discloses a gearbox shell, which is divided into a front shell and a rear shell, the middle of the front shell and the rear shell are fixed by bolts, and a sealing oil pad is arranged inside the front shell and coated with a sealant, so that the air tightness in the gearbox is ensured; be equipped with fuel gauge and relief valve, but real-time supervision oil mass and atmospheric pressure to leave the circulation oilhole, realize the circulative cooling of fluid, be equipped with the strengthening rib, guarantee the high strength of casing.

Referring to fig. 1, for the utility model discloses a gearbox housing, specifically include: the front shell 1 and the rear shell 2 are fixedly connected by bolts, a sealing oil pad 3 is arranged in a joint in order to ensure the air tightness in the gearbox and prevent oil leakage, and sealing glue is coated on the sealing oil pad 3 and the joint during installation; an oil filling port 4 is formed in the top of the front shell, an oil quantity measuring meter 5 is arranged in the middle of the front shell, the normal work of the gearbox can be influenced by too much and too little lubricating oil in the gearbox, and the oil quantity measuring meter 5 can monitor the oil quantity in real time; the normal work can also be influenced by overhigh pressure in the gearbox, a pressure release valve 6 is arranged on the rear shell 2, the pressure release valve 6 is connected with a pressure gauge 7, the pressure gauge 7 can display the pressure, and the pressure release valve 6 can automatically adjust the pressure balance to stabilize the working environment; the front shell 1 is provided with the oil injection port 4, the rear shell 2 is provided with the oil drainage bolt 8 for replacing lubricating oil, the friction in the gearbox is large, a large amount of residues can be generated, and the lubricating oil needs to be replaced frequently to ensure the cleanness of the lubricating oil; six fixing bulges 9 are arranged at four corners of the front shell 1 and the rear shell 2, and are designed to be vertically symmetrical, so that the gearbox can be firmly fixed under balanced stress; the front shell and the rear shell are horizontally provided with circulating oil holes 10 which can be connected with an oil pump outside the shell for use, lubricating oil is pumped out for viscosity detection or circulating cooling for use, when the device is not used, the circulating oil holes 10 are provided with threads, and the circulating oil holes 10 can be sealed by bolts.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A gearbox shell is characterized by mainly comprising a front shell and a rear shell, wherein the front shell and the rear shell are fixed by bolts, the top of the front shell is provided with an oil injection port, and the middle of the front shell is provided with an oil meter; the rear shell is provided with a pressure release valve, and the bottom of the rear shell is provided with an oil drainage bolt; the lower part is equipped with circulation oilhole in procapsid and the back casing, and procapsid and back casing four corners are equipped with fixed arch.

2. The transmission housing of claim 1 wherein the front and rear housings are provided with ribs of various orientations.

3. The transmission housing of claim 1, wherein the front housing and the rear housing have six fixing protrusions symmetrically distributed up and down.

4. The transmission housing of claim 1 wherein said front and rear housing attachment bolts are internally filled with a sealing oil pad and coated with a sealant.

5. A transmission housing according to claim 1 wherein a pressure gauge is connected to the rear of the pressure relief valve.

6. The transmission case according to claim 1, wherein the oil circulation holes are respectively formed in the lower middle portions of the front case and the rear case and are located on the same horizontal line.