Integrated box body of mini-tiller

Abstract

The utility model discloses an integrated box body of a mini-tiller, which comprises a diesel engine, a driving shaft arranged at the output end of the diesel engine and a gear set in transmission connection with the output end of the diesel engine, and belongs to the technical field of mini-tillers. By arranging the integrated shell, parts in the gear set can be better fixed and supported, vibration and noise are effectively reduced, swinging of gears during rotation is avoided, the working stability of the gear set is enhanced, the running stability and comfort of the mini-tiller are improved, and the service life of the mini-tiller is prolonged. According to the shell assembly, the overall strength and stability of the shell can be improved, the shell can better bear various forces and pressures in the operation process of the mini-tiller, the possibility that the shell is deformed or damaged is reduced, after the rear cover is opened, parts in the shell assembly can be conveniently overhauled, the structure of the gear set cannot be affected, and the stability is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of micro-tillage machines, in particular to an integrated box body of a micro-tillage machine. Background Art

[0002] The tiller chassis is a shell used to install and control the transmission system of the tiller. It can protect the transmission system and engine components of the tiller from damage or wear. It plays an important role in the normal operation and operation of the tiller, and improves the reliability and operability of the tiller.

[0003] In the traditional tillage machine case design, the case shell is assembled from multiple component shells, and these components are fixed together by bolts or other connection methods. This design may have some gaps or joints, which may cause some external impurities such as dust and water vapor to enter the case during disassembly and assembly, and may also increase the complexity of maintenance and repair. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides an integrated box for a micro-tillage machine, which solves the problem that the box shell is assembled from a plurality of component shells, and these components are fixed together by bolts or other connection methods, which may cause some external impurities such as dust, water vapor, etc. to enter the interior of the box during disassembly and assembly, and may also increase the complexity of maintenance and overhaul.

[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: an integrated box body of a micro-tillage machine, including a diesel engine, a drive shaft installed at the output end of the diesel engine and a gear set connected to the output end of the diesel engine, and a housing assembly is fixedly installed on the surface of the output end of the diesel engine;

[0006] The housing assembly includes a main housing fixedly mounted on the surface of the diesel engine, a transmission housing is integrally connected to the surface of the main housing, a drive housing is integrally connected to one end of the transmission housing away from the main housing, a mounting hole is provided on the surface of the drive housing away from the main housing, a rear cover is fixedly mounted on the surface of the transmission housing, and a lawn mower water pump housing is fixedly mounted on the surface of the main housing away from the diesel engine.

[0007] Preferably, two locating bearings are fixedly installed inside the transmission housing, a transmission rod is fixedly connected inside the locating bearing, the top of the transmission rod is fixedly connected to a driving bevel gear that is transmission-connected to the gear set, the end of the transmission rod away from the driving bevel gear is fixedly connected to a driven bevel gear, the surface of the driven bevel gear is meshingly connected with a gear ring, a rotating shaft is fixedly installed at the inner center of the gear ring, and a fixed bearing is fixedly installed on the outer surface of the rotating shaft.

[0008] Preferably, the gear set is installed inside the main housing, and the outer surface of the driving bevel gear is rotatably connected to the inside of the main housing.

[0009] Preferably, the transmission rod is rotatably connected to the interior of the transmission housing via a positioning bearing, and the outer surfaces of the driven bevel gear, the gear ring and the rotating shaft are all rotatably connected to the interior of the driving housing.

[0010] Preferably, the main housing, transmission housing and drive housing are all integrated structures, and the shift fork is rotatably connected to the outer surface of the main housing.

[0011] Preferably, the outer surface of the fixed bearing is fixedly mounted inside the drive housing, and the entire housing assembly is made of qt-ductile iron.

[0012] Beneficial Effects

[0013] The utility model provides an integrated box body for a micro-tillage machine. Compared with the prior art, it has the following beneficial effects:

[0014] 1. The integrated housing of the micro-tillage machine can reduce the gaps between parts by setting the overall integrated structure of the shell assembly, thereby reducing the possibility of dust, water vapor and other foreign substances entering the interior of the housing, and extending the service life of the housing. The integrated housing can better fix and support the parts inside the gear set, effectively reducing the generation of vibration and noise, avoiding the swing of the gear when it rotates, enhancing the stability of the gear set, and improving the running stability and comfort of the micro-tillage machine.

[0015] 2. The integrated housing of the micro-tiller can improve the overall strength and stability of the outer shell, making it more able to withstand various forces and pressures during the operation of the micro-tiller, reducing the possibility of deformation or damage to the outer shell. By setting a rear cover, after opening the rear cover, it is convenient to inspect and repair the internal parts of the outer shell assembly without affecting the structure of the gear set, thereby enhancing stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the housing assembly in the utility model;

[0018] Figure 3 This is a schematic diagram of the connection between the main housing and the drive housing in the utility model;

[0019] Figure 4 This is a schematic diagram of the connection between the main shell and the back cover in the utility model;

[0020] Figure 5 This is a schematic diagram of the connection between the transmission rod and the gear ring in the utility model;

[0021] Figure 6 It is a schematic diagram of the connection between the main housing and the transmission housing in the utility model.

[0022] In the figure: 1. diesel engine; 2. housing assembly; 21. main housing; 22. transmission housing; 23. drive housing; 24. mounting hole; 25. rear cover; 26. lawn mower pump housing; 3. drive shaft; 4. gear set; 5. transmission rod; 51. drive bevel gear; 6. locating bearing; 7. driven bevel gear; 8. gear ring; 9. rotating shaft; 10. fixed bearing. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-6 The utility model provides a technical solution: an integrated box of a micro-tillage machine, comprising a diesel engine 1, a driving shaft 3 installed at the output end of the diesel engine 1 and a gear set 4 connected to the output end of the diesel engine 1 by transmission, a housing component 2 is fixedly installed on the surface of the output end of the diesel engine 1, and the housing component 2 is made of qt450-550 ductile iron as a whole;

[0025] The housing assembly 2 includes a main housing 21 fixedly mounted on the surface of the diesel engine 1, the gear set 4 is mounted inside the main housing 21, a transmission housing 22 is integrally connected to the surface of the main housing 21, a drive housing 23 is integrally connected to one end of the transmission housing 22 away from the main housing 21, a shift fork is rotatably connected to the outer surface of the main housing 21, a mounting hole 24 is provided on the surface of the drive housing 23 away from the main housing 21, a rear cover 25 is fixedly mounted on the surface of the transmission housing 22, and a lawn mower pump housing 26 is fixedly mounted on the surface of the main housing 21 away from the diesel engine 1. By providing the rear cover 25, after opening the rear cover 25, it is convenient to inspect and repair the internal parts of the housing assembly 2 without affecting the structure of the gear set 4, thereby enhancing stability;

[0026] Two positioning bearings 6 are fixedly installed inside the transmission housing 22, and a transmission rod 5 is fixedly connected inside the positioning bearing 6. The transmission rod 5 is rotatably connected to the inside of the transmission housing 22 through the positioning bearing 6. The top of the transmission rod 5 is fixedly connected to a driving bevel gear 51 that is transmission-connected to the gear set 4. The outer surface of the driving bevel gear 51 is rotatably connected to the inside of the main housing 21. The end of the transmission rod 5 away from the driving bevel gear 51 is fixedly connected to a driven bevel gear 7. The outer surfaces of the driven bevel gear 7, the gear ring 8 and the rotating shaft 9 are all rotatably connected to the inside of the drive housing 23. The surface of the driven bevel gear 7 is meshed with the gear ring 8. The inside of the gear ring 8 A rotating shaft 9 is fixedly installed at the center, and a fixed bearing 10 is fixedly installed on the outer surface of the rotating shaft 9. The outer surface of the fixed bearing 10 is fixedly installed inside the driving shell 23. By setting the overall integrated structure of the shell assembly 2, the gaps between the parts can be reduced, thereby reducing the possibility of foreign substances such as dust and water vapor entering the interior of the box body, and extending the service life of the box body. The integrated shell can better fix and support the parts inside the gear set 4, effectively reducing the generation of vibration and noise, avoiding the swing of the gear when rotating, enhancing the working stability of the gear set 4, and improving the running stability and comfort of the micro-tillage machine;

[0027] See also Figure 6 The main housing 21, the transmission housing 22 and the drive housing 23 are all integrated structures. The angle between the transmission housing 22 and the main housing 21 is in the range of 45°-135°. They can be assembled and used in micro-tillage machines of more specifications, which enhances adaptability and flexibility.

[0028] During installation, the gear set 4 is installed inside the main shell 21, and then the transmission rod 5 is fixed inside the transmission shell 22 through the positioning bearing 6, and is connected to the gear set 4 through the driving bevel gear 51, and then the gear ring 8, the rotating shaft 9 and the fixed bearing 10 are installed inside the drive shell 23 through the mounting hole 24. After installation, the back cover 25 is fixed to the surface of the drive shell 23 by screws to seal the mounting hole 24, and the lawn mowing water pump is directly installed on the outer surface of the main shell 21 through the lawn mowing water pump shell 26. By setting the overall integrated structure of the shell assembly 2, the gaps between the components can be reduced, thereby reducing the possibility of dust, water vapor and other foreign substances entering the interior of the box body, and extending the service life of the box body. The integrated shell can better fix and support the components inside the gear set 4, effectively reduce the generation of vibration and noise, avoid the swing of the gears when rotating, enhance the working stability of the gear set 4, and improve the running stability and comfort of the micro-tillage machine.

[0029] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. An integrated housing for a micro-tillage machine, comprising a diesel engine (1), a drive shaft (3) mounted at an output end of the diesel engine (1), and a gear set (4) drivingly connected to the output end of the diesel engine (1), characterized in that: A housing component (2) is fixedly mounted on the surface of the output end of the diesel engine (1); The housing assembly (2) comprises a main housing (21) fixedly mounted on the surface of the diesel engine (1); a transmission housing (22) is integrally connected to the surface of the main housing (21); an end of the transmission housing (22) away from the main housing (21) is integrally connected to a drive housing (23); a mounting hole (24) is provided on the surface of the drive housing (23) away from the main housing (21); a rear cover (25) is fixedly mounted on the surface of the transmission housing (22); and a lawnmower water pump housing (26) is fixedly mounted on the surface of the main housing (21) away from the diesel engine (1).

2. The integrated box of a micro-tillage machine according to claim 1, characterized in that: Two positioning bearings (6) are fixedly installed inside the transmission housing (22), and a transmission rod (5) is fixedly connected inside the positioning bearing (6). The top end of the transmission rod (5) is fixedly connected to a driving bevel gear (51) that is transmission-connected to the gear set (4). The end of the transmission rod (5) away from the driving bevel gear (51) is fixedly connected to a driven bevel gear (7). The surface of the driven bevel gear (7) is meshingly connected to a gear ring (8). A rotating shaft (9) is fixedly installed at the inner center of the gear ring (8), and a fixed bearing (10) is fixedly installed on the outer surface of the rotating shaft (9).

3. The integrated box of a micro-tillage machine according to claim 2, characterized in that: The gear set (4) is installed inside the main housing (21), and the outer surface of the driving bevel gear (51) is rotatably connected to the inside of the main housing (21).

4. The integrated box of a micro-tillage machine according to claim 2, characterized in that: The transmission rod (5) is rotatably connected to the inside of the transmission housing (22) via a positioning bearing (6), and the outer surfaces of the driven bevel gear (7), the gear ring (8) and the rotating shaft (9) are all rotatably connected to the inside of the driving housing (23).

5. The integrated box of a micro-tillage machine according to claim 1, characterized in that: The main housing (21), the transmission housing (22) and the drive housing (23) are all integrated structures, and the shift fork is rotatably connected to the outer surface of the main housing (21).

6. The integrated box of a micro-tillage machine according to claim 2, characterized in that: The outer surface of the fixed bearing (10) is fixedly mounted inside the drive housing (23), and the housing assembly (2) is made of qt450-550 ductile iron as a whole.

Images