Power output mechanism and harvester using same

By using a pulley and a hydraulic gear pump drive shaft to connect the power output mechanism of the harvester, the problems of low power transmission efficiency and high cost of traditional harvester power output mechanisms are solved, achieving efficient transmission and convenient maintenance.

CN223854782UActive Publication Date: 2026-01-30ZHENGZHOU ZHONGLIAN HARVEST MASCH CO LTD
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Patent Information

Application Number
CN202520845771.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-29
Publication Date
2026-01-30
Estimated Expiration
2035-04-29

AI Technical Summary

Technical Problem

Traditional hydraulic walking harvesters suffer from low power transmission efficiency and high cost in their power output mechanisms, which affect machine utilization and user profits.

Method used

The system uses a pulley and a hydraulic gear pump connected by a drive shaft. The drive shaft has detachable splicing parts at both ends. Coaxial transmission is achieved by using the splicing parts and the connecting shaft, which reduces power loss. It is fixed by locking bolts, and the structure is simple and easy to maintain.

Benefits of technology

It improves the transmission efficiency of the power output mechanism, reduces power loss, simplifies the operation of replacing the power output belt, and reduces production costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of agricultural machinery equipment, in particular to a power output mechanism and a harvester using the power output mechanism, the power output mechanism comprises a belt pulley and a hydraulic gear pump, and the belt pulley and the hydraulic gear pump are connected through a transmission shaft. The two ends of the transmission shaft are provided with connecting bases connected with the belt pulley and the hydraulic gear pump respectively, the transmission shaft comprises two detachably connected splicing pieces, the outer side of each splicing piece is provided with a connecting shaft used in cooperation with the corresponding connecting base, transmission is conducted through the transmission shaft, the structure is simple, power loss is small during transmission, and the transmission efficiency is improved. The transmission shaft is formed by assembling the two splicing pieces, when the power output belt is replaced, the transmission shaft can be straightly pulled open or disassembled, the structure is simple, and operation is convenient.
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Description

TECHNICAL FIELD

[0001] The utility model relates to agricultural machinery equipment technical field, concretely relates to a power output mechanism and use the harvester of this power output mechanism. BACKGROUND

[0002] In modern agricultural production, the performance of the power output mechanism of the harvester, as an important agricultural machinery equipment, directly affects the working efficiency and reliability of the whole machine. There are two kinds of traditional hydraulic walking harvesters. One is that an engine drives a hydraulic gear pump through a belt, and the walking motor is driven by the gear pump. The walking motor drives the walking gearbox to drive the whole vehicle to walk. The hydraulic drive itself has a problem of oil volume efficiency and mechanical efficiency loss, and the transmission power is reduced. The power of the engine transmission walking cannot be effectively transmitted to the walking gearbox due to the power loss of the belt transmission. The two superpositions result in low transmission power, and the user's acceptance is not high. The second is that in recent years, an engine increases a hydraulic pump power output drive port at the power output port. The walking gear pump is directly inserted into the drive port, which solves the problem of high power loss of the belt transmission. However, the selling price is very high, the high cost leads to low user acceptance, and the utilization rate of the machine is not high. The productivity of the manufacturer is affected, and the user's use benefit is reduced. CONTENT OF THE UTILITY MODEL

[0003] In order to solve the above problems, the utility model embodiment provides a kind of power output mechanism and use the harvester of this power output mechanism, and the belt pulley and hydraulic gear pump are connected by transmission shaft, with the advantage of high coaxiality, easy disassembly and maintenance, and the power loss during transmission can be reduced.

[0004] In order to achieve the above purpose, the utility model embodiment specifically adopts the following technical scheme: a power output mechanism, comprising a belt pulley and a hydraulic gear pump, a transmission shaft is arranged between the belt pulley and the hydraulic gear pump, both ends of the transmission shaft are provided with a connecting seat, the transmission shaft comprises two detachable splicing pieces, and a connecting shaft matched with the connecting seat is arranged on the outer side of each splicing piece.

[0005] As a further improvement of the above technical scheme:

[0006] The splicing piece comprises a base plate, a U-shaped support is arranged on the outer side wall of the base plate, and through holes for mounting the connecting shaft are arranged at both ends of the U-shaped support.

[0007] Connecting extension plates are arranged at both ends of the base plate, and locking bolts are arranged between the two connecting extension plates.

[0008] The connecting seat comprises a positioning plate, an adapter module connected with the splicing piece is arranged on the inner side of the positioning plate, and a connecting piece for connecting the belt pulley or the hydraulic gear pump is arranged on the outer side of the positioning plate.

[0009] The adapter module comprises an adapter support, an adapter shaft is arranged on the adapter support, both ends of the adapter shaft are rotationally connected with the adapter support, and a positioning hole corresponding to the position of the connecting shaft is arranged in the middle part of the adapter shaft.

[0010] The connecting shaft and the adapter shaft are vertically distributed.

[0011] A harvester comprises a harvester body, a power output mechanism is arranged on the harvester body, and the power output mechanism is any one of the power output mechanisms.

[0012] The power output mechanism and the harvester using the power output mechanism have the following beneficial effects: the power output mechanism comprises a belt pulley and a hydraulic gear pump, the belt pulley and the hydraulic gear pump are connected through a transmission shaft, both ends of the transmission shaft are provided with connecting seats connected with the belt pulley and the hydraulic gear pump respectively, the transmission shaft comprises two splicing pieces which are detachably connected, the outer side of each splicing piece is provided with a connecting shaft matched with the connecting seat, the transmission shaft is used for transmission, the structure is simple, the power loss during transmission is small, the transmission shaft is assembled through the two splicing pieces, when the power output belt is replaced, the transmission shaft can be directly pulled apart or disassembled, and the structure is simple and convenient to operate. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structural schematic view of the utility model;

[0014] Figure 2 It is a structural schematic view of the utility model;

[0015] Figure 3 It is a structural schematic view of the utility model;

[0016] Figure 4 It is a structural schematic view of the utility model.

[0017] In the drawing: 1, belt pulley; 2, hydraulic gear pump; 3, transmission shaft; 4, connecting seat; 5, splicing piece; 6, connecting shaft; 7, base plate; 8, U-shaped support; 9, through hole; 10, connecting extension plate; 11, locking bolt; 12, positioning plate; 13, connecting piece; 14, adapter support; 15, adapter shaft; 16, positioning hole; 17, harvester body. DETAILED DESCRIPTION

[0018] The preferred embodiments of the present application are described below with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are only used to explain the technical principles of the present application, and are not intended to limit the protection scope of the present application.

[0019] As shown in the figure, Figure 1 The power output mechanism of the present embodiment comprises a belt pulley 1 and a hydraulic gear pump 2, the belt pulley 1 and the hydraulic gear pump 2 are connected through a transmission shaft 3, the transmission shaft 3 is provided with a connecting seat 4 connected with the belt pulley 1 and the hydraulic gear pump 2 respectively at both ends, the transmission shaft 3 comprises two detachable spliced pieces 5, the outer side of each spliced piece 5 is provided with a connecting shaft 6 matched with the connecting seat 4, the transmission shaft 3 is used for transmission, the structure is simple, the power loss during transmission is small, the transmission shaft 3 is assembled through two spliced pieces 5, when the power output belt is replaced, the transmission shaft 3 can be directly pulled apart or disassembled, the structure is simple and convenient to operate.

[0020] As shown in the figure, Figures 2-3 The spliced piece 5 comprises a base plate 7, a U-shaped support 8 is arranged on the outer side wall of the base plate 7, both ends of the U-shaped support 8 are provided with through holes 9 for mounting the connecting shaft 6, both ends of the base plate 7 are provided with connecting extension plates 10, the two connecting extension plates 10 are fixed through locking bolts 11, the structure is simple, the production cost is low and convenient for later maintenance.

[0021] The connecting seat 4 comprises a positioning plate 12, the inner side of the positioning plate 12 is provided with a conversion module connected with the spliced piece 5, the outer side is provided with a connecting piece 13 for connecting the belt pulley 1 or the hydraulic gear pump 2, when connected with the gear hydraulic pump 2, the connecting piece 13 is selected as a plug-in shaft, when connected with the belt pulley 1, the positioning plate 12 is connected with the side wall of the belt pulley 1 through the connecting piece 13 in the form of a bolt, the side wall of the belt pulley 1 is provided with a groove for placing the positioning plate 13.

[0022] The conversion module comprises a conversion support 14, the conversion support 14 is provided with a conversion shaft 15, both ends of the conversion shaft 15 are rotationally connected with the conversion support 14, the middle part is provided with a positioning hole 16 corresponding to the position of the connecting shaft 6, the connecting shaft 6 and the conversion shaft 15 are vertically distributed, which can compensate the axial difference between the belt pulley 1 and the hydraulic gear pump 2 during transmission, ensure that the two are always in the coaxial state, and reduce the equipment wear during operation.

[0023] As shown in the figure, Figure 4 The harvester comprises a harvester body 17, the harvester body 17 is provided with a power output mechanism, and the power output mechanism is any one of the above power mechanisms.

[0024] It should be noted that in the description of the utility model, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and other terms indicating direction or positional relationship are based on the direction or positional relationship shown in the drawings, which is merely for the convenience of description, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0025] In addition, it should be further pointed out that in the description of the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be broadly understood, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0026] The term "includes" or any other similar term is intended to cover non-exclusive inclusion, so that the process, article or equipment / device including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or also includes the elements inherent in the process, article or equipment / device.

[0027] So far, the technical scheme of the utility model has been described in combination with the preferred embodiments shown in the drawings, but those skilled in the art can easily understand that the protection scope of the utility model is obviously not limited to these specific embodiments. Without deviating from the principles of the utility model, those skilled in the art can make equivalent changes or replacements to related technical features, and the technical schemes after the changes or replacements will fall within the protection scope of the utility model.

Claims

1. A power take-off mechanism comprising a pulley (1) and a hydraulic gear pump (2), characterised in that: The transmission shaft (3) is arranged between the belt pulley (1) and the hydraulic gear pump (2), and both ends of the transmission shaft (3) are provided with connecting seats (4); The transmission shaft (3) comprises two detachable spliced pieces (5), and the outer side of each spliced piece (5) is provided with a connecting shaft (6) used in cooperation with the connecting seat (4).

2. The power take off mechanism of claim 1, wherein: The spliced piece (5) comprises a base plate (7), and a U-shaped support (8) is arranged on the outer side wall of the base plate (7), and both ends of the U-shaped support (8) are provided with through holes (9) for mounting the connecting shaft (6).

3. The power take off mechanism of claim 2, wherein: Both ends of the base plate (7) are provided with connecting extension plates (10), and the two connecting extension plates (10) are provided with locking bolts (11) therebetween.

4. The power take off mechanism of claim 1, wherein: The connecting seat (4) comprises a positioning plate (12), the inner side of the positioning plate (12) is provided with an adapter module connected with the spliced piece (5), and the outer side is provided with a connecting piece (13) connected with the belt pulley (1) or the hydraulic gear pump (2).

5. The power take off mechanism of claim 4, wherein: The adapter module comprises an adapter support (14), the adapter support (14) is provided with an adapter shaft (15), both ends of the adapter shaft (15) are rotationally connected with the adapter support (14), and the middle part is provided with a positioning hole (16) corresponding to the position of the connecting shaft (6).

6. The power take off mechanism of claim 4, wherein: The connecting shaft (6) and the adapter shaft (15) are vertically distributed.

7. A harvester comprising a harvester body (17) provided with a power take-off mechanism, characterised in that: The power output mechanism is any one of claims 1-6.