Improved gearbox transmission system

Abstract

The utility model relates to the technical field of gearbox transmission, and particularly discloses an improved gearbox transmission system which is used for solving the problem that a transmission system in the prior art cannot have a grafting function. Comprising a main transmission part used for inputting power to a tractor wheel set, a power input main shaft is arranged at the input end of the main transmission part, the end of the main transmission part is connected with a power output main shaft used for outputting power, and a clutch part used for being connected with pre-increasing equipment is arranged at the tail end of the power input main shaft. An existing main transmission part is optimized, an existing PTO output clutch is changed from the original middle position of a chassis to the end of the chassis, maintenance is convenient, and in addition, a set of newly-added output is used for being connected with a gear pump and providing power for a chassis electro-hydraulic system.

Description

TECHNICAL FIELD

[0001] The utility model relates to gearbox transmission technical field, especially in kind improved gearbox transmission system. BACKGROUND

[0002] The development of mechanical transmission at home and abroad is developing from few gears to multiple gears, and the advantage of multiple gear transmission is to meet the increasingly complex operation requirements while ensuring high power and fuel economy. The current forward and backward shift is manually controlled, which increases the complexity of driving for the driver. The patent with the patent number CN116771864A discloses a gearbox transmission system, which controls the forward and backward movement through a clutch, controls the output and cut-off of the power of the gearbox through the clutch, and the power of the clutch mainly comes from hydraulic oil, which eliminates manual control and makes the control more flexible and convenient, greatly reduces the burden of the driver and improves the operation efficiency.

[0003] However, the external output clutch of the traditional system is located in the middle of the chassis, which is not convenient for later maintenance operation.

[0004] Based on this, an improved gearbox transmission system is provided, which can eliminate the disadvantages of the existing device. UTILITY MODEL CONTENT

[0005] The utility model aims at providing an improved gearbox transmission system, which solves the problem that the transmission system in the prior art cannot graft functions.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] An improved gearbox transmission system, comprising a main transmission component for inputting power to a tractor wheel set, the input end of the main transmission component is provided with a power input main shaft, the end of the main transmission component is connected with a power output main shaft for outputting power, and the end of the power input main shaft is provided with a clutch component for connecting a pre-increasing device.

[0008] On the basis of the above technical scheme, the utility model also provides the following optional technical scheme:

[0009] In an alternative: the clutch component includes a clutch housing, the clutch housing is provided with a rear power case cover at the end, the rear power case cover is provided with a rear power end cover at the end, a power output clutch shaft is rotatably arranged on the clutch housing, a power output driving gear shaft is rotatably arranged on the left end of the power output clutch shaft, a power output high-speed driven gear and a power output low-speed driven gear are meshed with the power output driving gear shaft, the meshing sleeve is used for selecting the engagement of the high-speed driven gear or the low-speed driven gear, the power output low-speed driven gear is arranged on the driven gear shaft, the driven gear shaft is rotatably arranged on the clutch housing below the power output driving gear shaft, a power output shaft for connecting external equipment is arranged at the end of the driven gear shaft, and the power output driving gear shaft and the power output clutch shaft are connected through a hydraulic transmission unit.

[0010] In an alternative: the hydraulic transmission unit includes a transmission cavity arranged in the clutch housing, a power output clutch shell is arranged in the transmission cavity, the power output clutch shell is fixedly connected with the end of the power output driving gear shaft, the transmission cavity is formed between the right side of the power output clutch shell and the clutch housing, a piston is arranged in the transmission cavity, a piston return spring is arranged on the right side of the piston, an oil inlet for supplying hydraulic oil is arranged on the right side of the clutch housing, a clutch driven piece is arranged on the right side of the piston, the clutch driven piece is connected with a power output connecting sleeve arranged at the right end of the power output clutch shaft, and the right end of the power output driving gear shaft is provided with a clutch driving piece corresponding to the clutch driven piece.

[0011] In an alternative: the clutch driven piece and the clutch driving piece are provided with a friction layer on the contact surface.

[0012] In an alternative: the clutch unit output end of the power input main shaft is also meshed with a power take-off box intermediate gear, the power take-off box intermediate gear is meshed with a power take-off box driven gear outside, and the power take-off box driven gear is provided with a power take-off output shaft for connecting external equipment.

[0013] Compared with the prior art, the utility model has the advantages of the following:

[0014] The utility model discloses the optimization to the existing main transmission component, changes the existing PTO output clutch from the original chassis intermediate position to the chassis end, is convenient for maintenance, and in addition, the newly added output is used for connecting the gear pump, and power is provided for the chassis electrohydraulic system. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a structural schematic diagram of the utility model.

[0016] Fig. 2 The clutch component structure schematic view of the utility model.

[0017] Mark annotation: main transmission component 100, power input main shaft 101, power output main shaft 102, power take-off box intermediate gear 103, power take-off box driven gear 104, power take-off output shaft 105;

[0018] Clutch component 200, power output driving gear shaft 1, power output high-speed driven gear 2, power output low-speed driven gear 3, driven gear shaft 4, power output shaft 5, power output clutch housing 6, rear power box cover 7, rear power end cover 8, power output clutch shaft 9, power output connecting sleeve 10, piston return spring 11, clutch driven piece 12, clutch driving piece 13, piston 14. DETAILED DESCRIPTION

[0019] The technical scheme in the embodiments of the utility model will be apparently and completely described below with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0020] As Figs. 1-2 The utility model embodiment provides a kind of improved gearbox transmission system, including the main transmission component 100 for inputting power to tractor wheel group, the input end of the main transmission component 100 is equipped with power input main shaft 101, the end of the main transmission component 100 is connected for output power power output main shaft 102, the power input main shaft 101 end is equipped with the clutch component 200 for connecting pre-increment equipment, the power in the main transmission component 100 can be extracted again by the setting of clutch component 200, so as to increase the functionality;

[0021] The clutch component 200 includes a clutch housing, the clutch housing end is provided with a rear power box cover 7, the rear power box cover 7 end is matched with a rear power end cover 8, the clutch housing is rotatably provided with a power output clutch shaft 9, the power output clutch shaft 9 left end is rotatably sleeved with a power output driving gear shaft 1, the power output high-speed driven gear 2, the power output low-speed driven gear 3 and the power output driving gear shaft 1 are engaged, the engagement sleeve left and right gear shifting is used to select the engagement seat and the low-speed gear or the high-speed connection driven gear shaft, the power output low-speed driven gear 3 is installed on the driven gear shaft 4, the driven gear shaft 4 is rotatably arranged on the clutch housing below the power output driving gear shaft 1, the driven gear shaft 4 tail end is provided with a power output shaft 5 for connecting external equipment, the power output driving gear shaft 1 and the power output clutch shaft 9 are connected through a hydraulic transmission unit, when the output power is not needed on the upper, the hydraulic transmission unit does not work at this time, the power between the power output driving gear shaft 1 and the power output clutch shaft 9 is cut off at this time, on the contrary, when the external equipment needs to be driven to work, the power between the power output driving gear shaft 1 and the power output clutch shaft 9 can be cut off through the hydraulic transmission unit;

[0022] The hydraulic transmission unit includes a transmission cavity arranged in the clutch housing, a power output clutch shell 6 is arranged in the transmission cavity, the power output clutch shell 6 is connected and fixed with the end of the power output driving gear shaft 1, the transmission cavity is formed between the right side of the power output clutch shell 6 and the clutch housing, a piston 14 is arranged in the transmission cavity, a piston return spring 11 is arranged on the right side of the piston 14, an oil inlet for sending hydraulic oil is arranged on the clutch housing on the right side of the piston 14, a clutch driven piece 12 is arranged on the right side of the piston 14, the clutch driven piece 12 is connected with a power output connecting sleeve 10, the power output connecting sleeve 10 is arranged on the right end of the power output clutch shaft 9, a clutch driving piece 13 corresponding to the clutch driven piece 12 is arranged on the right end of the power output driving gear shaft 1, the piston 14 is pushed to move by sending hydraulic oil, and the piston 14 is reset by the piston return spring 11, so that the clutch driven piece 12 and the clutch driving piece 13 are separated and contacted, so that whether the power is cut off or not can be controlled;

[0023] The clutch unit output end on the power input main shaft 101 is also engaged with a power take-off box intermediate gear 103, the power take-off box intermediate gear 103 is engaged with a power take-off box driven gear 104 outside, the power take-off box driven gear 104 is provided with a power take-off output shaft 105 for connecting external equipment, so that the power source can be obtained from the outside of the power input main shaft 101, so that a pump or a generator or other equipment can be driven.

[0024] Working principle: in actual use, by configuring two additional power output parts outside the main transmission component 100, when the main transmission component 100 transmits power, the power take-off box intermediate gear 103 will be rotated, the power take-off box intermediate gear 103 drives the power take-off output shaft 105 to rotate through the power take-off box driven gear 104, thereby dividing an output source from the main transmission component 100, and at the same time, the input hydraulic oil in the first clutch component 200 can be sent to push the piston 14 to move, so that the clutch driven piece 12 and the clutch driving piece 13 are in contact, the friction between the two realizes the power transmission between the power output driving gear shaft 1 and the power output clutch shaft 9, thereby dividing a second power source from the main transmission component 100.

[0025] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An improved gearbox drive system characterised in that: The utility model provides a kind of main transmission component (100) for inputting power to tractor wheel group, the input end of the main transmission component (100) is equipped with power input main shaft (101), the end of the main transmission component (100) is connected for outputting power power output main shaft (102), the end of the power input main shaft (101) is equipped with clutch component (200) for connecting pre-increment equipment; The clutch component (200) includes a clutch housing, a rear power box cover (7) is provided at the end of the clutch housing, a rear power end cover (8) is provided at the end of the rear power box cover (7), a power output clutch shaft (9) is rotatably provided on the clutch housing, a power output driving gear shaft (1) is rotatably provided at the left end of the power output clutch shaft (9), a power output high-speed driven gear (2) and a power output low-speed driven gear (3) are engaged with the power output driving gear shaft (1), the engagement seat, the low-speed gear or the high-speed driven gear shaft is selected by engaging the left and right shift, the power output low-speed driven gear (3) is installed on a driven gear shaft (4), the driven gear shaft (4) is rotatably provided on the clutch housing below the power output driving gear shaft (1), a power output shaft (5) for connecting external equipment is provided at the end of the driven gear shaft (4), the power output driving gear shaft (1) and the power output clutch shaft (9) are connected by a hydraulic transmission unit; The clutch unit output end on the power input main shaft (101) is also engaged with a power take-off box intermediate gear (103), the power take-off box intermediate gear (103) is engaged with a power take-off box driven gear (104) on the outside, and the power take-off box driven gear (104) is provided with a power take-off output shaft (105) for connecting external equipment.

2. The improved gearbox transmission system as claimed in claim 1 wherein, The hydraulic transmission unit includes a transmission cavity provided inside the clutch housing, a power output clutch shell (6) is provided in the transmission cavity, the power output clutch shell (6) is fixedly connected with the end of the power output driving gear shaft (1), the right side of the power output clutch shell (6) and the clutch housing form a transmission cavity, a piston (14) is provided in the transmission cavity, a piston return spring (11) is provided on the right side of the piston (14), an oil inlet is provided on the clutch housing on the right side of the piston (14) for supplying hydraulic oil, a clutch driven plate (12) is provided on the right side of the piston (14), the clutch driven plate (12) is connected with a power output connecting sleeve (10), the power output connecting sleeve (10) is provided at the right end of the power output clutch shaft (9), and the right end of the power output driving gear shaft (1) is provided with a clutch driving plate (13) corresponding to the clutch driven plate (12).

3. The improved gearbox transmission system of claim 2, wherein, The contact surfaces of the clutch driven plate (12) and the clutch driving plate (13) are provided with a friction layer.

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