Antifouling tractor gearbox rear axle

Abstract

The utility model discloses an antifouling type tractor gearbox rear axle, which belongs to the technical field of tractor accessories and comprises a transmission case, half axles and a protective component, the half axles are mounted on two sides of the transmission case, the protective component is sleeved outside the transmission case, and the protective component comprises a lower shell, an upper shell, a buffer support component and a connecting component. The lower shell and the upper shell are arranged at the bottom and the top of the transmission case in a sleeving mode respectively, openings allowing the half bridge to penetrate through are reserved in the two sides of the lower shell and the two sides of the upper shell correspondingly, buffer supporting assemblies are installed in the lower shell and the upper shell correspondingly, and the lower shell and the upper shell are detachably connected through a connecting assembly; and by arranging the protection assembly, the exterior of the transmission box can be protected, sludge and muddy water can be prevented from splashing to the transmission box, the service life of bolts and nuts is prevented from being affected, and the stability of the transmission box is prevented from being affected.

Description

Technical Field

[0001] The utility model belongs to the technical field of tractor accessories, and in particular relates to an anti-pollution type tractor gearbox rear axle. Background Art

[0002] Tractors are self-propelled power machines used to pull and drive working machinery to complete various mobile operations. The rear axle consists of a transmission box and two half-bridges, which can implement half-bridge differential movement. At the same time, it is also a device used to support the wheels and connect the rear wheels. The transmission box is equipped with gears, bearings and other transmission parts.

[0003] The transmission box of the existing tractor gearbox rear axle needs to be installed and fixed with a large number of bolts. Since tractors usually work in harsh environments, the bolts and nuts on the surface of the transmission box are easily contaminated with a large amount of mud and muddy water, which makes the bolts and nuts easy to rust and age, reducing the service life of the bolts and nuts, and may affect the stability of the transmission box. Utility Model Content

[0004] The utility model aims to provide an anti-fouling tractor gearbox rear axle to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-fouling tractor gearbox rear axle, comprising a transmission box, a half-bridge and a protection component, wherein half-bridges are installed on both sides of the transmission box, and the protection component is sleeved on the outside of the transmission box;

[0006] The protective assembly includes a lower shell, an upper shell, a buffer support assembly and a connecting assembly. The lower shell and the upper shell are respectively mounted on the bottom and the top of the transmission case. Openings for passing the half bridge are reserved on both sides of the lower shell and the upper shell. Buffer support assemblies are installed inside the lower shell and the upper shell. The lower shell and the upper shell are detachably connected via a connecting assembly.

[0007] As a preferred implementation, a sealing strip is fixedly connected to the inner wall of the opening.

[0008] As a preferred embodiment, the buffer support assembly includes a support plate, a telescopic rod and a spring, the support plate abuts against the transmission box, the telescopic rod is fixedly connected to the surface of the support plate, and the spring is arranged in the telescopic rod.

[0009] As a preferred embodiment, a buffer pad is abutted between the support plate and the transmission box, and the buffer pad is a rubber pad.

[0010] As a preferred embodiment, the connecting assembly includes a convex plate, a bidirectional screw, a driving member, a connecting plate and a connecting rod. The tops of both sides of the lower shell are provided with convex plates, connecting holes are provided on both sides of the convex plates, and grooves are provided on both sides of the upper shell. The bidirectional screw is rotatably installed in the top wall of the upper shell, the driving member is installed in the middle of the bidirectional screw, the connecting plate is sleeved on the bidirectional screw and threadedly connected to the bidirectional screw, and the connecting rod is fixedly connected to the surface of the connecting plate.

[0011] As a preferred embodiment, the driving member includes a knob, a worm and a worm wheel, a receiving groove is opened on the top of the upper shell, a cover plate is hinged on the top of the receiving groove, the knob is embedded in the receiving groove, the worm is fixedly connected to the knob, and the worm wheel is fixedly sleeved on the bidirectional screw and meshes with the worm.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The anti-fouling tractor gearbox rear axle can protect the outside of the transmission box by arranging a protection component, thereby preventing mud and muddy water from splashing onto the transmission box and preventing the service life of bolts and nuts from being affected;

[0014] The anti-fouling tractor gearbox rear axle can provide a buffer support component to the transmission box, and when the lower housing and the upper housing are collided, the impact transmitted to the transmission box can be reduced, thereby providing buffer protection for the transmission box. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of the protective component of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the buffer support assembly of the utility model;

[0018] Figure 4 It is a schematic diagram of the top cross-sectional structure of the upper shell of the utility model.

[0019] In the figure: 1. transmission box; 2. half bridge; 3. protection assembly; 31. lower shell; 32. upper shell; 33. buffer support assembly; 331. support plate; 332. telescopic rod; 333. spring; 334. buffer pad; 34. connecting assembly; 341. convex plate; 342. bidirectional screw; 343. driving member; 3431. knob; 3432. worm; 3433. worm wheel; 344. connecting plate; 345. connecting rod; 346. connecting hole; 347. groove; 348. receiving groove; 349. cover plate; 35. sealing strip. DETAILED DESCRIPTION

[0020] The present invention will be further described below in conjunction with the embodiments.

[0021] The following examples are used to illustrate the present invention, but cannot be used to limit the scope of protection of the present invention. The conditions in the examples can be further adjusted according to specific conditions, and simple improvements to the method of the present invention under the premise of the concept of the present invention are all within the scope of protection claimed by the present invention.

[0022] See also Figure 1-4 The utility model provides a pollution-proof tractor gearbox rear axle, comprising a transmission case 1, a half bridge 2 and a protection assembly 3. The half bridge 2 is installed on both sides of the transmission case 1, and the protection assembly 3 is sleeved on the outside of the transmission case 1; the protection assembly 3 comprises a lower shell 31, an upper shell 32, a buffer support assembly 33 and a connecting assembly 34. The lower shell 31 and the upper shell 32 are respectively sleeved on the bottom and the top of the transmission case 1. By setting the protection assembly 3, the outside of the transmission case 1 can be protected, and mud and muddy water can be prevented from splashing onto the transmission case 1, and the life of the bolts and nuts can be prevented from being affected. Openings for passing the half bridge 2 are reserved on both sides of the lower shell 31 and the upper shell 32, and the inner wall of the opening is fixedly connected with a sealing strip 35. By setting the sealing strip 35, the two sides of the transmission case 1 can be sealed.

[0023] Reference Figure 2 and Figure 3 A buffer support assembly 33 is installed inside the lower shell 31 and the upper shell 32. The buffer support assembly 33 includes a support plate 331, a telescopic rod 332 and a spring 333. The support plate 331 abuts against the transmission box 1, and the telescopic rod 332 is fixedly connected to the surface of the support plate 331. The spring 333 is arranged in the telescopic rod 332. A buffer pad 334 abuts against the support plate 331 and the transmission box 1. The buffer pad 334 is a rubber pad. By setting the buffer support assembly 33, a buffer support effect can be played on the transmission box 1. When the lower shell 31 and the upper shell 32 are collided, the impact transmitted to the transmission box 1 can be reduced, and the transmission box 1 can be buffered and protected.

[0024] Reference Figure 1 and Figure 4The lower shell 31 and the upper shell 32 are detachably connected through a connecting assembly 34, and the connecting assembly 34 includes a convex plate 341, a bidirectional screw 342, a driving member 343, a connecting plate 344 and a connecting rod 345. The tops of both sides of the lower shell 31 are provided with convex plates 341, and both sides of the convex plates 341 are provided with connecting holes 346. Both sides of the upper shell 32 are provided with grooves 347. The bidirectional screw 342 is rotatably installed in the top wall of the upper shell 32, and the driving member 343 is installed in the middle of the bidirectional screw 342. The connecting plate 344 is sleeved on the bidirectional screw 342 and is connected to the connecting rod 345. The bidirectional screw 342 is threadedly connected, and the connecting rod 345 is fixedly connected to the surface of the connecting plate 344. By setting the connecting component 34, when installing the protective component 3, it is only necessary to align the convex plate 341 of the lower shell 31 and insert it into the groove 347 of the upper shell 32, and then use the driving member 343 to rotate the bidirectional screw 342, so that the bidirectional screw 342 drives the two connecting plates 344 to be in principle with each other, and the connecting plate 344 drives the connecting rod 345 to be inserted into the connecting hole 346, so that the lower shell 31 and the upper shell 32 can be connected and fixed, which is convenient for the disassembly and assembly of the protective component 3.

[0025] Specifically, the driving member 343 includes a knob 3431, a worm 3432 and a worm wheel 3433. A receiving groove 348 is provided at the top of the upper shell 32. A cover plate 349 is hinged at the top of the receiving groove 348. The knob 3431 is embedded in the receiving groove 348. The worm 3432 is fixedly connected to the knob 3431. The worm wheel 3433 is fixedly sleeved on the bidirectional screw 342 and meshes with the worm 3432. By providing the receiving groove 348 and the cover plate 349, the knob 3431 can be protected. During operation, the cover plate 349 can be opened and the knob 3431 can be rotated so that the knob 3431 drives the worm 3432 to rotate, the worm 3432 drives the worm wheel 3433 to rotate, and the worm wheel 3433 drives the bidirectional screw 342 to rotate.

[0026] The working principle and use process of the utility model are as follows: firstly, by setting the protection component 3, the outside of the transmission box 1 can be protected, and mud and muddy water can be prevented from splashing onto the transmission box 1, and the service life of the bolts and nuts can be prevented from being affected. By setting the connecting component 34, when installing the protection component 3, it is only necessary to align the convex plate 341 of the lower shell 31 and insert it into the groove 347 of the upper shell 32, and then use the driving member 343 to rotate the bidirectional screw 342, so that the bidirectional screw 342 drives the two connecting plates 344 to be mutually principled, so that the connecting plate 344 drives the connecting rod 345 to be inserted into the connecting hole 346, and the lower shell 31 and the upper shell 32 can be connected and fixed, which is convenient for the disassembly and assembly of the protection component 3. By setting the buffer support component 33, it can play a buffer support role for the transmission box 1. When the lower shell 31 and the upper shell 32 are collided, the impact transmitted to the transmission box 1 can be reduced, and the transmission box 1 can be buffered and protected.

[0027] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pollution-proof tractor gearbox rear axle, comprising a transmission box (1), a half bridge (2) and a protection assembly (3), characterized in that: Half bridges (2) are installed on both sides of the transmission box (1), and the protection component (3) is sleeved on the outside of the transmission box (1); The protection component (3) comprises a lower shell (31), an upper shell (32), a buffer support component (33) and a connecting component (34); the lower shell (31) and the upper shell (32) are respectively mounted on the bottom and the top of the transmission case (1); openings for passing the half bridge (2) are reserved on both sides of the lower shell (31) and the upper shell (32); the buffer support component (33) is installed inside the lower shell (31) and the upper shell (32); the lower shell (31) and the upper shell (32) are detachably connected via the connecting component (34).

2. The anti-pollution tractor gearbox rear axle according to claim 1, characterized in that: A sealing strip (35) is fixedly connected to the inner wall of the opening.

3. The anti-pollution tractor gearbox rear axle according to claim 1, characterized in that: The buffer support assembly (33) comprises a support plate (331), a telescopic rod (332) and a spring (333); the support plate (331) is in contact with the transmission box (1); the telescopic rod (332) is fixedly connected to the surface of the support plate (331); and the spring (333) is arranged in the telescopic rod (332).

4. The anti-pollution tractor gearbox rear axle according to claim 3, characterized in that: A buffer pad (334) is abutted between the support plate (331) and the transmission box (1), and the buffer pad (334) is a rubber pad.

5. The anti-pollution tractor gearbox rear axle according to claim 1, characterized in that: The connecting assembly (34) comprises a convex plate (341), a bidirectional screw rod (342), a driving member (343), a connecting plate (344) and a connecting rod (345). The tops of both sides of the lower shell (31) are provided with convex plates (341). Both sides of the convex plates (341) are provided with connecting holes (346). Both sides of the upper shell (32) are provided with grooves (347). The bidirectional screw rod (342) is rotatably mounted in the top wall of the upper shell (32). The driving member (343) is mounted in the middle of the bidirectional screw rod (342). The connecting plate (344) is sleeved on the bidirectional screw rod (342) and is threadedly connected to the bidirectional screw rod (342). The connecting rod (345) is fixedly connected to the surface of the connecting plate (344).

6. The anti-pollution tractor gearbox rear axle according to claim 5, characterized in that: The driving member (343) comprises a knob (3431), a worm (3432) and a worm wheel (3433); a receiving groove (348) is provided at the top of the upper shell (32); a cover plate (349) is hinged at the top of the receiving groove (348); the knob (3431) is embedded in the receiving groove (348); the worm (3432) is fixedly connected to the knob (3431); and the worm wheel (3433) is fixedly sleeved on the bidirectional screw (342) and meshed with the worm (3432).

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