Multi-stage shifting gear assembly of agricultural machinery gearbox

Abstract

The utility model discloses a multi-stage shifting gear assembly of an agricultural mechanical gearbox, and relates to the technical field of gearboxes. The gearbox comprises a gearbox shell, a gear shifting gear assembly is arranged in the gearbox shell, an oil storage box is installed at the upper end of the gearbox shell, a friction force sensor is arranged at the upper end of the interior of the gearbox shell, a plurality of connecting holes are formed in the upper end of the interior of the gearbox shell, and the friction force sensor is connected with the connecting holes. The connecting hole is connected with the oil storage box, a sealing structure is arranged at one end of the connecting hole, the friction force sensor senses friction force between gears in the gear shifting gear assembly, lubricating oil in the oil storage box enters the connecting pipe through the connecting port, and the gear shifting gear assembly is lubricated through the lubricating spray head. And through the arrangement of the multiple connecting holes, the lubricating spray head can be installed at different positions, and different positions of the gear shifting gear assembly can be lubricated conveniently.

Description

Technical Field

[0001] The utility model belongs to the technical field of gearboxes, in particular to a multi-stage shifting gear assembly of a gearbox for agricultural machinery. Background Art

[0002] Agricultural machinery transmissions are an important component of agricultural machinery. They are responsible for regulating and controlling the power output of the engine to meet the needs of different agricultural operations. Agricultural machinery transmissions are mainly divided into three types: manual transmissions, power shift transmissions (PST) and continuously variable transmissions (CVT). Each type has its own unique characteristics and application scenarios.

[0003] After searching, the publication number CN216951526U is disclosed, which is a multifunctional gearbox for a micro-tillage machine. The gearbox is provided with a box body, and transmission shafts of various levels are provided in the box body. The transmission shafts are provided with gears, and the gears of various levels cooperate with each other. A gear mechanism and an adjustment mechanism are also provided in the box body. A first direction-adjusting device and a second direction-adjusting device are also provided in the box body. The utility model has multiple gears, can achieve multi-stage speed change, is more practical, can achieve manual differential by adjusting the first direction-adjusting device and the second direction-adjusting device, convenient steering, can work normally in various complex working sites and environments, and can achieve walking speed change by adjusting the gear lever, with more gear settings, more flexible speed control of the micro-tillage machine, and stronger selectivity in different environments;

[0004] Although the existing multi-stage gear shift assembly of the transmission can meet the user's usage needs to a certain extent, since the existing multi-stage gear shift assembly of the transmission transmits power through the meshing of multiple gears, it is easily affected by factors such as the high temperature inside the transmission and the friction between the gears. Users are also unable to spray lubricating oil well between the gears, causing problems with the meshing of the multi-stage gear shift assembly inside the transmission.

[0005] Therefore, the existing transmission multi-stage shift gear assembly cannot meet the needs of actual use, so there is an urgent need for improved technology in the market to solve the above problems. Utility Model Content

[0006] The purpose of the present utility model is to provide a multi-stage shift gear assembly for an agricultural machinery transmission, aiming to solve the problems raised in the above-mentioned background technology.

[0007] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0008] The utility model is a multi-stage shift gear assembly of an agricultural machinery gearbox, comprising a gearbox housing, a shift gear assembly being arranged inside the gearbox housing, an oil storage box being installed at the upper end of the gearbox housing, a friction sensor being arranged at the upper end inside the gearbox housing, a plurality of connecting holes being opened at the upper end inside the gearbox housing, the connecting holes being connected to the oil storage box, a sealing structure being provided at one end of the connecting hole, a fixing seat being installed at the upper end inside the gearbox housing, a mounting seat being detachably installed inside the fixing seat, two mounting blocks being fixedly installed at the lower end of the mounting seat, a lubricating nozzle being installed between the two mounting blocks, an angle adjustment structure being provided between the lubricating nozzle and the mounting block, a connecting hose being installed at the upper end of the lubricating nozzle, a connecting pipe being fixedly installed at the upper end of the connecting hose, and the connecting pipe being inserted into the interior of the connecting hole.

[0009] Preferably, the friction force sensor is electrically connected to the lubrication nozzle, and a filling port is provided on one side of the oil storage box.

[0010] Preferably, the sealing structure includes a sealing sleeve, which is fixedly installed inside the oil storage box and located above the connecting hole. A fixing block is fixedly installed on one side of the sealing sleeve, and the fixing block is fixedly connected to the inner wall of the oil storage box.

[0011] Preferably, a compression spring is fixedly installed inside the sealing sleeve, a movable block is fixedly installed on the upper end of the compression spring, a pressure rod is fixedly installed on the lower end of the movable block, and the lower end of the pressure rod is movably inserted into the outside of the sealing sleeve and is installed with a sealing block.

[0012] Preferably, the sealing block cooperates with the connecting hole, the upper end of the connecting pipe fits with the sealing block, and connecting ports are provided on both sides of the connecting pipe, and the length of the connecting ports is smaller than the length of the connecting hole.

[0013] Preferably, the angle adjustment structure includes a slot, which is provided on one side of the mounting block, and an offset gear ring is provided inside the slot. Mounting slots are provided on both sides of the lubrication nozzle, and a through hole is provided on one side of the mounting slot.

[0014] Preferably, a connecting spring is fixedly installed inside the installation slot, a moving block is fixedly installed on one end of the connecting spring, a connecting rod is fixedly installed on one side of the moving block, one end of the connecting rod is movably inserted into the interior of the slot and a staggered gear is fixedly installed thereon, and the staggered gear is clamped with the staggered gear ring.

[0015] Preferably, the connecting rod is movably inserted into the inside of the through hole, and sliding grooves are provided on both sides of the connecting rod. Slide blocks are provided on both sides of the inner wall of the through hole, and the slide blocks are slidably connected to the sliding grooves.

[0016] The utility model has the following beneficial effects:

[0017] 1. In this utility model, the friction sensor senses the friction between the gears inside the shift gear assembly. The lubricating oil inside the oil storage box enters the interior of the connecting pipe through the connecting port and lubricates the shift gear assembly through the lubricating nozzle. The multiple connecting holes allow the lubricating nozzle to be installed in different positions, making it easier to lubricate different positions of the shift gear assembly.

[0018] 2. In the present invention, the user pulls the offset gear, and the offset gear is extracted from the inside of the card slot, so that the offset gear is disengaged from the offset gear ring, so that the lubrication nozzle can be rotated between the two mounting blocks, which is convenient for adjusting the angle of the lubrication nozzle and convenient for the user to lubricate different angles. After adjustment, the offset gear returns to its original position under the action of the connecting spring and the connecting rod, so that the offset gear is inserted into the inside of the card slot and engaged with the offset gear ring, which can limit the angle of the lubrication nozzle and facilitate the use of the lubrication nozzle. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 It is a side structural diagram of the utility model;

[0021] Figure 2 This is a schematic diagram of a half-section structure of the present utility model;

[0022] Figure 3 For this utility model Figure 2 A magnified view of the structure at center A;

[0023] Figure 4 This is a half-section structural diagram of the lubrication nozzle installation location of the utility model;

[0024] Figure 5 For this utility model Figure 4 Enlarged view of the structure at point B in the middle.

[0025] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0026] 1. Transmission housing; 2. Shift gear assembly; 3. Oil reservoir; 4. Friction sensor; 5. Sealing sleeve; 6. Pressure rod; 7. Compression spring; 8. Sealing block; 9. Connecting hole; 10. Fixing seat; 11. Connecting pipe; 12. Connecting port; 13. Mounting seat; 14. Lubrication nozzle; 15. Connecting hose; 16. Mounting block; 17. Slot; 18. Offset gear ring; 19. Offset gear; 20. Connecting rod; 21. Connecting spring; 22. Slide; 23. Slider. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0028] See also Figures 1 to 3 As shown, the utility model is a multi-stage shift gear assembly for an agricultural machinery gearbox, comprising a gearbox housing 1, a shift gear assembly 2 is provided inside the gearbox housing 1, an oil storage box 3 is installed on the upper end of the gearbox housing 1, a friction force sensor 4 is provided on the upper end of the gearbox housing 1, a plurality of connecting holes 9 are opened on the upper end of the gearbox housing 1, the connecting holes 9 are connected to the oil storage box 3, one end of the connecting hole 9 is provided with a sealing structure, a fixing seat 10 is installed on the upper end of the gearbox housing 1, and the fixing seat 10 A mounting seat 13 is detachably mounted inside the housing, two mounting blocks 16 are fixedly mounted on the lower end of the mounting seat 13, a lubrication nozzle 14 is mounted between the two mounting blocks 16, an angle adjustment structure is provided between the lubrication nozzle 14 and the mounting block 16, a connecting hose 15 is mounted on the upper end of the lubrication nozzle 14, a connecting pipe 11 is fixedly mounted on the upper end of the connecting hose 15, the connecting pipe 11 is inserted into the interior of the connecting hole 9, the friction sensor 4 is electrically connected to the lubrication nozzle 14, and an oil filling port is provided on one side of the oil storage box 3;

[0029] In this embodiment, the friction sensor 4 senses the friction between the internal gears of the shift gear assembly 2, and the lubricating oil inside the oil storage box 3 enters the interior of the connecting pipe 11 through the connecting port 12, and lubricates the shift gear assembly 2 through the lubricating nozzle 14. Through the setting of multiple connecting holes 9, the lubricating nozzle 14 can be installed in different positions, which is convenient for lubricating different positions of the shift gear assembly 2.

[0030] See also Figures 1 to 3As shown, the utility model is a multi-stage shift gear assembly of an agricultural machinery gearbox, the sealing structure includes a sealing sleeve 5, the sealing sleeve 5 is fixedly mounted inside the oil storage box 3, the sealing sleeve 5 is located above the connecting hole 9, a fixed block is fixedly mounted on one side of the sealing sleeve 5, the fixed block is fixedly connected to the inner wall of the oil storage box 3, a compression spring 7 is fixedly mounted inside the sealing sleeve 5, a movable block is fixedly mounted on the upper end of the compression spring 7, a pressure rod 6 is fixedly mounted on the lower end of the movable block, the lower end of the pressure rod 6 is movably inserted into the outside of the sealing sleeve 5 and is installed with a sealing block 8, the sealing block 8 cooperates with the connecting hole 9, the upper end of the connecting pipe 11 is fitted with the sealing block 8, and connecting ports 12 are provided on both sides of the connecting pipe 11, and the length of the connecting port 12 is less than the length of the connecting hole 9;

[0031] In this embodiment, when the lubricating nozzle 14 is removed, the mounting seat 13 is extracted from the inside of the fixing seat 10, and the connecting pipe 11 can be pulled out from the inside of the connecting hole 9. When the connecting port 12 shrinks to the inside of the connecting hole 9, the lubricating oil inside the oil storage box 3 cannot enter the inside of the connecting port 12, which facilitates the connection pipe 11 to be pulled out from the inside of the connecting hole 9. The compression spring 7 drives the pressure rod 6 to squeeze downward through the movable block, so that the sealing block 8 fits tightly with the connecting pipe 11, so that when the upper end of the connecting pipe 11 shrinks to the inside of the connecting hole 9, the sealing block 8 is engaged with the upper end of the connecting hole 9, which can seal the connecting hole 9, facilitate the installation and disassembly of the mounting seat 13 and the lubricating nozzle 14, and facilitate the installation of the lubricating nozzle 14 in different positions.

[0032] See also Figures 3 to 5 As shown, the utility model is a multi-stage shift gear assembly of an agricultural machinery transmission, the angle adjustment structure includes a card slot 17, the card slot 17 is opened on one side of the mounting block 16, and a staggered gear ring 18 is arranged inside the card slot 17, and mounting slots are opened on both sides of the lubricating nozzle 14, and a through hole is opened on one side of the mounting slot, and a connecting spring 21 is fixedly installed inside the mounting slot, and a moving block is fixedly installed on one end of the connecting spring 21, and a connecting rod 20 is fixedly installed on one side of the moving block, and one end of the connecting rod 20 is movably inserted into the interior of the card slot 17 and fixedly installed with a staggered gear 19, the staggered gear 19 is engaged with the staggered gear ring 18, and the connecting rod 20 is movably inserted into the interior of the through hole, and a slide groove 22 is opened on both sides of the connecting rod 20, and a slider 23 is provided on both sides of the inner wall of the through hole, and the slider 23 is slidably connected to the slide groove 22;

[0033] In this embodiment, the user pulls the offset gear 19, and the offset gear 19 is pulled out from the inside of the slot 17, so that the offset gear 19 is disengaged from the offset gear ring 18, so that the lubrication nozzle 14 can be rotated between the two mounting blocks 16, which is convenient for adjusting the angle of the lubrication nozzle 14 and convenient for the user to lubricate different angles. After adjustment, the offset gear 19 returns to its original position under the action of the connecting spring 21 and the connecting rod 20, so that the offset gear 19 is inserted into the inside of the slot 17 and is engaged with the offset gear ring 18, which can limit the angle of the lubrication nozzle 14 and facilitate the use of the lubrication nozzle 14.

[0034] The above are only preferred embodiments of the present invention and do not limit the present invention. Any modification to the technical solutions described in the aforementioned embodiments, any equivalent replacement of some of the technical features therein, and any modification, equivalent replacement, and improvement made are within the scope of protection of the present invention.

Claims

1. A multi-stage shift gear assembly for an agricultural machinery transmission, comprising a transmission housing (1), wherein a shift gear assembly (2) is provided inside the transmission housing (1), and characterized in that: An oil storage box (3) is installed at the upper end of the gearbox housing (1), a friction force sensor (4) is provided at the upper end of the interior of the gearbox housing (1), a plurality of connecting holes (9) are opened at the upper end of the interior of the gearbox housing (1), the connecting holes (9) are connected to the oil storage box (3), one end of the connecting hole (9) is provided with a sealing structure, a fixing seat (10) is installed at the upper end of the interior of the gearbox housing (1), a mounting seat (13) is detachably installed inside the fixing seat (10), two mounting blocks (16) are fixedly installed at the lower end of the mounting seat (13), a lubricating nozzle (14) is installed between the two mounting blocks (16), an angle adjustment structure is provided between the lubricating nozzle (14) and the mounting block (16), a connecting hose (15) is installed at the upper end of the connecting hose (15), a connecting pipe (11) is fixedly installed at the upper end of the connecting hose (15), and the connecting pipe (11) is inserted into the interior of the connecting hole (9).

2. The multi-stage shift gear assembly of the agricultural machinery transmission according to claim 1, characterized in that: The friction force sensor (4) is electrically connected to the lubrication nozzle (14), and a filling port is provided on one side of the oil storage box (3).

3. The multi-stage shift gear assembly of the agricultural machinery transmission according to claim 1, characterized in that: The sealing structure comprises a sealing sleeve (5), the sealing sleeve (5) being fixedly mounted inside the oil storage box (3), the sealing sleeve (5) being located above the connecting hole (9), and a fixing block being fixedly mounted on one side of the sealing sleeve (5), the fixing block being fixedly connected to the inner wall of the oil storage box (3).

4. The multi-stage shift gear assembly of the agricultural machinery transmission according to claim 3, characterized in that: A compression spring (7) is fixedly installed inside the sealing sleeve (5), a movable block is fixedly installed on the upper end of the compression spring (7), a pressure rod (6) is fixedly installed on the lower end of the movable block, and the lower end of the pressure rod (6) is movably inserted into the outer side of the sealing sleeve (5) and is installed with a sealing block (8).

5. The multi-stage shift gear assembly of the agricultural machinery transmission according to claim 4, characterized in that: The sealing block (8) is matched with the connecting hole (9), the upper end of the connecting pipe (11) is in contact with the sealing block (8), and connecting openings (12) are provided on both sides of the connecting pipe (11), and the length of the connecting openings (12) is less than the length of the connecting hole (9).

6. The multi-stage shift gear assembly of the agricultural machinery transmission according to claim 1, characterized in that: The angle adjustment structure comprises a slot (17), the slot (17) being provided on one side of the mounting block (16), a staggered tooth ring (18) being provided inside the slot (17), mounting slots being provided on both sides of the lubricating nozzle (14), and a through hole being provided on one side of the mounting slot.

7. The multi-stage shift gear assembly of the agricultural machinery transmission according to claim 6, characterized in that: A connecting spring (21) is fixedly installed inside the installation slot, a moving block is fixedly installed on one end of the connecting spring (21), a connecting rod (20) is fixedly installed on one side of the moving block, one end of the connecting rod (20) is movably inserted into the interior of the slot (17) and fixedly installed with an offset gear (19), and the offset gear (19) is engaged with the offset gear ring (18).

8. The multi-stage shift gear assembly of the agricultural machinery transmission according to claim 7, characterized in that: The connecting rod (20) is movably inserted into the inside of the perforation. Slide grooves (22) are provided on both sides of the connecting rod (20). Slide blocks (23) are provided on both sides of the inner wall of the perforation. The slide blocks (23) are slidably connected to the slide grooves (22).

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