CN219035518U - Anti-overflow oil's tractor gearbox - Google Patents

Abstract

The utility model discloses a tractor gearbox capable of preventing oil from overflowing, which comprises a gearbox body and a gearbox cover, wherein the gearbox cover is arranged on the upper end face of the gearbox body, a first connecting cover and a second connecting cover are fixedly connected to the gearbox cover, a main rod is arranged in the first connecting cover, an auxiliary rod is arranged on the second connecting cover, an air outlet hole is formed in the gearbox body and the gearbox cover, the air outlet hole is communicated with the inner box of the second connecting cover, a first L-shaped pipe is fixedly inserted into the upper end face of the second connecting cover, and a U-shaped pipe is fixedly connected to the other end of the first L-shaped pipe. According to the utility model, through the matching arrangement among the first L-shaped pipe, the U-shaped pipe, the inclined pipe and the second L-shaped pipe, the lubricating oil which splashes due to excessive kinetic energy can return to the gearbox body to lubricate the gear, so that the reduction of the service life of the gear caused by insufficient lubrication is avoided.

Description

Anti-overflow oil's tractor gearbox

Technical Field

The utility model relates to the technical field of gearboxes, in particular to an oil spill-proof tractor gearbox.

Background

A transmission is a device that changes the rotation speed ratio and the direction of movement. Gearboxes are used in automobiles, tractors, ships, machine tools and various machines to change the torque, rotational speed and direction of movement transmitted from a driving shaft to a driven shaft according to different operating conditions. A geared gearbox generally consists of a casing and a number of gear pairs.

In the prior art, the breather is generally arranged on the breathing hole on the gearbox cover, but in the speed changing process, lubricating oil in the gearbox still can overflow from the breather through the breathing hole due to overlarge kinetic energy change, so that the gears are easy to wear due to insufficient lubrication, and the service life of the gears is reduced.

In order to solve the problems, we propose an oil spill-proof tractor gearbox.

Disclosure of Invention

The utility model aims to solve the defect that lubricating oil in a gearbox still overflows from a breather through a breathing hole due to overlarge kinetic energy change in the speed changing process in the prior art, so that gears are easy to wear due to insufficient lubrication, and the service life of the gears is shortened, so that the oil-spilling-prevention tractor gearbox is provided.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a tractor gearbox of anti-overflow oil, includes gearbox body and gearbox cover, the gearbox cover sets up on the up end of gearbox body, the gearbox is covered fixedly connected with first junction housing and second junction housing, be provided with the mobile jib in the first junction housing, be provided with vice pole on the second junction housing, the venthole has been seted up on gearbox body and the gearbox cover, the venthole is linked together with the inside of second junction housing, fixed the interlude has first L type pipe on the up end of second junction housing, the other end fixedly connected with U type pipe of first L type pipe, the one end fixedly connected with breathing machine that the U type pipe deviates from first L type pipe, the lower extreme fixedly connected with down tube of U type pipe, the down tube is linked together with the U type pipe, the one end fixedly connected with second L type pipe that the down tube deviates from the down tube, the one end that the second L type pipe deviates from the down tube runs through the lateral wall of gearbox body and is linked together with the inside of gearbox body.

Preferably, the connecting rod is fixedly connected to the side wall of the second connecting cover, one end of the connecting rod, deviating from the second connecting cover, is fixedly connected with the fixing sleeve, and the U-shaped tube is fixedly installed in the fixing sleeve.

Preferably, first threaded holes are symmetrically formed in the gearbox body and the gearbox cover, and first fixing bolts are connected in the two first threaded holes in a threaded mode.

Preferably, the gearbox body and the gearbox cover are provided with connecting holes, and the upper ends of the connecting holes are provided with baffles.

Preferably, the baffle and the gearbox body are symmetrically provided with second threaded holes, and two second threaded holes are internally connected with second fixing bolts in a threaded manner.

Preferably, a first sealing ring is arranged at the joint of the first L-shaped pipe and the second connecting cover, and a second sealing ring is arranged at the joint of the second L-shaped pipe and the gearbox body.

Preferably, a one-way valve is arranged in one end of the U-shaped pipe, which is away from the first L-shaped pipe.

Compared with the prior art, the utility model has the beneficial effects that:

through the cooperation setting between first L type pipe, U type pipe, inclined tube and the second L type pipe for can get back to in the gearbox body to the gear lubrication because of the too big lubricating oil that splashes of kinetic energy, avoided the gear to lead to its life to reduce because of the lubrication deficiency.

Drawings

FIG. 1 is a front view of a tractor gearbox with oil spill prevention according to the present utility model;

fig. 2 is an enlarged view at a in fig. 1.

In the figure: 1 gearbox body, 2 gearbox cover, 3 first connecting cover, 4 mobile jib, 5 second connecting cover, 6 accessory poles, 7 first L type pipes, 8U type pipes, 9 check valve, 10 inclined tube, 11 second L type pipes, 12 connecting rods, 13 fixed cover, 14 first fixing bolt, 15 baffle, 16 second fixing bolt, 17 first sealing washer, 18 second sealing washer.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-2, a tractor gearbox of anti-overflow oil, including gearbox body 1 and gearbox lid 2, gearbox lid 2 sets up on the up end of gearbox body 1, fixedly connected with first junction housing 3 and second junction housing 5 on the gearbox lid 2, be provided with mobile jib 4 in the first junction housing 3, be provided with auxiliary rod 6 on the second junction housing 5, the venthole has been seted up on gearbox body 1 and the gearbox lid 2, the venthole is linked together with the inside of second junction housing 5, fixedly on the up end of second junction housing 5 alternates first L type pipe 7, the one end fixed connection of first L type pipe 7 has a U type pipe 8,U type pipe 8 to deviate from first L type pipe 7 has the breathing machine, the lower extreme fixedly connected with pipe chute 10 of U type pipe 8 is linked together with U type pipe 8, the one end fixed connection of pipe chute 10 deviating from U type pipe 8 has second L type pipe 11, the one end that second L type pipe 11 deviates from pipe 10 runs through the lateral wall of gearbox body 1 and is linked together with the inside of gearbox body, the inside of gearbox body is linked together through first L type pipe 8,U, the kinetic energy of lubrication pipe can be avoided leading to the lubrication to the fact between the big end of speed change gear 1, the lubrication pipe is reduced to the second L type pipe 8, lubrication life-span is reduced because of the lubrication pipe is not led to the first L type pipe 1.

Wherein, fixedly connected with connecting rod 12 on the lateral wall of second connection cover 5, the one end fixedly connected with fixed cover 13 that the connecting rod 12 deviates from second connection cover 5, U type pipe 8 fixed mounting is in fixed cover 13, and fixed cover 13 is used for fixed U type pipe 8, avoids the high emergence of U type pipe 8 to remove.

The gearbox body 1 and the gearbox cover 2 are symmetrically provided with first threaded holes, first fixing bolts 14 are connected in the two first threaded holes in a threaded mode, and the gearbox cover 2 can be fixed on the gearbox body 1 through the first fixing bolts 14.

Wherein, the connecting hole has been seted up on gearbox body 1 and the gearbox lid 2, and the upper end of connecting hole is provided with baffle 15, and baffle 15 can avoid lubrication to have and get into in the first junction housing 3.

Wherein, second screw holes have been seted up to baffle 15 and gearbox body 1 on the symmetry, and two second screw hole internal thread connection second fixing bolt 16, second fixing bolt 16 can fix baffle 15 on gearbox body 1.

The connection part of the first L-shaped pipe 7 and the second connection cover 5 is provided with a first sealing ring 17, the connection part of the second L-shaped pipe 11 and the gearbox body 1 is provided with a second sealing ring 18, the first sealing ring 17 plays a sealing role on the connection part of the first L-shaped pipe 7 and the second connection cover 5, and the second sealing ring 18 plays a sealing role on the connection part of the second L-shaped pipe 11 and the gearbox body 1.

Wherein, install check valve 9 in the one end that U type pipe 8 deviates from first L type pipe 7, check valve 9 makes the gas only can give vent to anger.

According to the utility model, when the tractor shifts, the lubricating oil in the gearbox body 1 passes through the breathing holes to enter the first L-shaped tube 7 due to excessive kinetic energy and then falls into the U-shaped tube 8, and the U-shaped tube 8 is arranged in a U shape, so that when the lubricating oil falls to the bottom of the U-shaped tube 8 and moves upwards, the lubricating oil can be rapidly reduced, and further can fall into the inclined tube 10, and then the lubricating oil can return into the gearbox body 1 through the second L-shaped tube 11, so that gears in the gearbox body 1 can be lubricated, and the lubricating oil which is splashed due to excessive kinetic energy can return into the gearbox body 1 to lubricate the gears due to insufficient lubrication, so that the service life of the gears is prevented from being reduced, and the content which is not described in detail in the description belongs to the prior art known to the person skilled in the art.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model. In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by "upper, lower, inner and outer", etc. in terms are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first, second, or third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Claims (7)

1. The utility model provides a tractor gearbox of anti-overflow oil, includes gearbox body (1) and gearbox case lid (2), its characterized in that, gearbox case lid (2) set up on the up end of gearbox body (1), fixedly connected with first junction housing (3) and second junction housing (5) on gearbox case lid (2), be provided with mobile jib (4) in first junction housing (3), be provided with auxiliary rod (6) on second junction housing (5), the venthole has been seted up on gearbox body (1) and gearbox case lid (2), the venthole is linked together with the inside of second junction housing (5), be fixed with first L type pipe (7) on the up end of second junction housing (5), the other end fixedly connected with U type pipe (8) of first L type pipe (7), the one end fixedly connected with breathing machine of U type pipe (8) deviates from first L type pipe (7), the lower extreme fixedly connected with down tube (10) of U type pipe (8), the down tube (10) of U type pipe (8) deviate from the one end fixedly connected with U type pipe (10), one end of the second L-shaped pipe (11) deviating from the inclined pipe (10) penetrates through the side wall of the gearbox body (1) and is communicated with the inside of the gearbox body (1).

2. The oil spill-proof tractor gearbox according to claim 1, wherein a connecting rod (12) is fixedly connected to the side wall of the second connecting cover (5), one end of the connecting rod (12) deviating from the second connecting cover (5) is fixedly connected with a fixing sleeve (13), and the U-shaped tube (8) is fixedly arranged in the fixing sleeve (13).

3. The oil spill-proof tractor gearbox according to claim 1, wherein first threaded holes are symmetrically formed in the gearbox body (1) and the gearbox cover (2), and first fixing bolts (14) are connected in the two first threaded holes in a threaded mode.

4. The oil spill-proof tractor gearbox according to claim 1, wherein a connecting hole is formed in the gearbox body (1) and the gearbox cover (2), and a baffle plate (15) is arranged at the upper end of the connecting hole.

5. The oil spill-proof tractor gearbox according to claim 4, wherein second threaded holes are symmetrically formed in the baffle plate (15) and the gearbox body (1), and the two second threaded holes are internally connected with second fixing bolts (16) in a threaded manner.

6. The oil spill-proof tractor gearbox according to claim 1, characterized in that a first sealing ring (17) is arranged at the joint of the first L-shaped pipe (7) and the second connecting cover (5), and a second sealing ring (18) is arranged at the joint of the second L-shaped pipe (11) and the gearbox body (1).

7. A tractor gearbox with oil spill according to claim 1, characterised in that the U-shaped tube (8) is fitted with a non-return valve (9) in its end facing away from the first L-shaped tube (7).

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