Double-side driving harvester header
By designing a double-sided drive transmission system on the harvester header, which is used for the drilling device and the stirring device respectively, the damage and blockage problems caused by the sharing of a single-sided transmission by the drilling device and the stirring device in the traditional harvester header header are solved, and the effect of independent operation, improved transmission force and convenient maintenance is achieved.
Patent Information
- Application Number
- CN202420846696.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-23
- Publication Date
- 2025-04-22
- Estimated Expiration
- 2034-04-23
AI Technical Summary
In the traditional harvester cutting platform, the drilling device and the agitating device share a single-sided transmission device, which causes the drilling device to easily damage when cutting hard objects, and the agitating device is easily blocked when transporting, and it is inconvenient to maintain.
A double-sided drive harvester header is designed, and the transmission system is arranged as a first transmission device and a second transmission device, respectively, for driving the drilling tool device and a stirring device. The drilling device passes through the belt transmission mechanism, and the agitating device passes through the chain transmission mechanism, each operating independently to increase the transmission force and reduce the risk of damage.
The independent operation of the knife-moving device and the dragon-storing device is realized. The knife-moving device reduces the risk of damage when cutting hard objects. The dragon-storing device increases the conveying force and reduces the probability of blockage, making maintenance more convenient and quick.
Smart Images

Figure CN222776627U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of agricultural machinery, in particular to a double-side driven harvester cutting platform. Background Art
[0002] The harvester header generally includes a reel device, a moving blade device, an auger device, a conveying device and other structures. In a traditional harvester header, the moving blade device and the auger device share a transmission device installed on one side of the header. For this reason, since the moving blade device usually cuts hard objects during cutting, causing jams, the auger device is prone to blockage during conveying. If its power transmission can achieve improved transmission force, it can help improve the auger conveying performance, but it is bound to cause damage to the blade in the moving blade device, and vice versa, it reduces the auger conveying performance. Therefore, how to improve and ensure that the moving blade device and the auger device have good performance is one of the current research topics. Utility Model Content
[0003] The purpose of the utility model is to provide a double-side driven harvester cutting table to solve the problems raised in the above background technology.
[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0005] A double-side driven harvester cutting table, comprising a cutting table shell, on which a reel device, a moving knife device, an agitator device, a conveying device and a transmission system are arranged, the transmission system comprising a main transmission shaft, a first transmission device and a second transmission device, the main transmission shaft is arranged on the conveying device, and drives the conveying device to work, the first transmission device and the second transmission device are respectively arranged on both sides of the conveying device, and respectively cooperate with the two ends of the main transmission shaft for transmission, the first transmission device drives the moving knife device to work, and the second transmission device drives the agitator device to work.
[0006] Furthermore, a power input wheel is arranged at one end of the main transmission shaft; and the main transmission shaft drives the conveying device to work.
[0007] Furthermore, the first transmission device includes a first transition transmission assembly, a movable knife transmission shaft and a movable knife swing ring shaft which are sequentially matched for transmission. The movable knife transmission shaft is arranged transversely, and the movable knife swing ring shaft is arranged longitudinally and drives the movable knife device to work.
[0008] Furthermore, the first transition transmission assembly is close to one side of the conveying device, and the movable knife swing ring shaft is close to one side of the cutting platform shell.
[0009] Furthermore, the first transition transmission component is a single-stage or multi-stage belt transmission mechanism.
[0010] Furthermore, the movable knife transmission shaft and the movable knife swing ring shaft realize directional transmission through an umbrella gear transmission mechanism. The movable knife swing ring shaft cooperates with the movable knife transmission shaft through an eccentric shaft assembly, and drives the movable knife transmission shaft to rotate eccentrically, and drives the movable knife device to swing back and forth through the eccentric rotation.
[0011] Furthermore, the second transmission device includes a second transition transmission component, an auger transmission shaft and an auger power input component that are sequentially matched for transmission. The auger transmission shaft is arranged transversely, and the auger power input component drives the auger device to work.
[0012] Furthermore, the second transition transmission assembly is close to one side of the conveying device, the auger transmission shaft is located at the rear side of the header shell, and the auger power input assembly is close to one side of the header shell.
[0013] Furthermore, the second transition transmission assembly is a single-stage or multi-stage chain transmission mechanism.
[0014] Furthermore, the auger transmission shaft is coupled with the main shaft of the auger device through an auger power input assembly, and the auger power input assembly is a chain transmission mechanism.
[0015] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model divides the transmission system into a first transmission device and a second transmission device on the left and right, which are respectively used to drive the moving knife device and the auger device, the first transmission device and the second transmission device are independent of each other, and the moving knife device is driven by a belt transmission mechanism. The design purpose is that when the moving knife cuts a hard object or gets stuck, the belt will slip so that the knife is not easily damaged; the auger is driven by a chain transmission mechanism, with strong conveying force and not easy to be blocked. When the auger is blocked, the force transmitted by the chain reversal is large, which can easily reverse the blockage out; in addition, when the moving knife device or the auger device fails, the first transmission device or the second transmission device can be inspected and maintained separately, without the need to check the entire transmission system, which is very convenient. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is one of the schematic diagrams of the structure of the utility model.
[0017] Figure 2 This is the second schematic diagram of the structure of the utility model.
[0018] Figure 3 This is the third schematic diagram of the structure of the utility model.
[0019] Figure 4 It is a schematic diagram of the structure of the utility model when the reel device is removed.
[0020] In the figure: the cutting table shell 1, the reel device 2, the moving knife device 3, the auger device 4, the conveying device 5, the main transmission shaft 6, the auger power input assembly 7, the power input wheel 8, the first transition transmission assembly 9, the moving knife transmission shaft 10, the moving knife swing ring shaft 11, the second transition transmission assembly 12, the auger transmission shaft 13. DETAILED DESCRIPTION
[0021] 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.
[0022] See also Figure 1-Figure 4 A double-side driven harvester header includes a header housing 1, on which a reel device 2, a moving knife device 3, an augers device 4, a conveying device 5 and a transmission system are arranged, wherein the reel device 2 is located at the upper side of the front end of the header housing 1, the moving knife device 3 is located at the bottom of the front end of the header housing 1, the augers device 4 is located inside the header housing 1, and the conveying device 5 is located at the rear end of the header housing 1. A feed inlet is provided at the rear side of the header housing 1, and the material is transported by the augers device 4 into the conveying device through the feed inlet. The transmission system includes a main transmission shaft 6, a first transmission device and a second transmission device. The main transmission shaft 6 is arranged on the conveying device 5, which is the driving wheel shaft of the conveying device 5 and drives the conveying device 5 to work. The first transmission device and the second transmission device are respectively arranged on the left and right sides of the conveying device 5, and are respectively matched with the two ends of the main transmission shaft 6 for transmission. The first transmission device drives the moving knife device 3 to work, and the second transmission device drives the augers device 4 to work.
[0023] It can be understood that in the above technical scheme, the utility model divides the transmission system into a first transmission device and a second transmission device on the left and right, which are used to drive the moving knife device 3 and the agitator device 4 respectively. The first transmission device and the second transmission device are independent of each other. When the moving knife device 3 or the agitator device 4 fails, the first transmission device or the second transmission device can be inspected and maintained separately without checking the entire transmission system, which is very convenient.
[0024] Continue reading Figure 1 In one embodiment of the utility model, a power input wheel 8 is provided at one end of the main transmission shaft 6, and the power input wheel 8 is preferably a pulley, and the power input wheel 8 receives power transmitted by the harvester's engine through a multi-stage transmission mechanism.
[0025] In another embodiment of the present invention, the power input wheel 8 can also be a sprocket or a gear.
[0026] Continue reading Figure 1 In one embodiment of the utility model, the first transmission device includes a first transition transmission assembly 9, a movable knife transmission shaft 10 and a movable knife swing ring shaft 11 which are sequentially matched for transmission. The movable knife transmission shaft 10 is arranged horizontally, and the movable knife swing ring shaft 11 drives the movable knife device 3 to work.
[0027] Continue reading Figure 1 In one embodiment of the utility model, the first transition transmission assembly 9 is close to the left side of the conveying device 5, which adopts a single-stage or multi-stage belt transmission mechanism, and the wheel axles in the first transition transmission assembly 9 are all arranged horizontally; the moving knife device 3 is driven by the belt transmission mechanism. The purpose of the design is that when the moving knife cuts a hard object or gets stuck, the belt will slip, making the knife less likely to be damaged.
[0028] Continue reading Figure 1 In one embodiment of the utility model, the movable knife swing ring shaft 11 is longitudinally arranged and close to the left side of the cutting platform housing 1, and the movable knife transmission shaft 10 is transversely arranged. The movable knife transmission shaft 10 and the movable knife swing ring shaft 11 realize the directional transmission through the bevel gear transmission mechanism. The movable knife swing ring shaft 11 cooperates with the movable knife transmission shaft 10 through an eccentric shaft assembly. The eccentric shaft assembly is an eccentric shaft assembly commonly used in the prior art, such as an eccentric coupling, for realizing eccentric transmission. It can be provided with an eccentric cam and other related structures at the end. It rotates eccentrically under the drive of the movable knife transmission shaft 10, and drives the movable knife device 3 to swing back and forth through the eccentric rotation. The movable knife swing ring shaft 11 has a supporting sleeve on the outside, and the movable knife swing ring shaft 11 is rotatably inserted into the supporting sleeve.
[0029] Continue reading Figure 2-Figure 4 In one embodiment of the utility model, the second transmission device includes a second transition transmission assembly 12, an auger transmission shaft 13 and an auger power input assembly 7 which are sequentially matched for transmission. The auger transmission shaft 13 is arranged horizontally, and the auger power input assembly 7 drives the auger device 4 to work.
[0030] Continue reading Figure 2-Figure 4 In one embodiment of the utility model, the second transition transmission assembly 12 is close to the right side of the conveying device 5, which adopts a single-stage or multi-stage chain transmission mechanism, and the wheel axles in the second transition transmission assembly 12 are all arranged horizontally.
[0031] Continue reading Figure 2-Figure 4 In one embodiment of the utility model, the auger drive shaft 13 is located at the rear side of the cutting table housing 1, the auger power input assembly 7 is close to the right side of the cutting table housing 1, the auger drive shaft 13 is coordinated with the main shaft of the auger device 4 through the auger power input assembly 7, the auger power input assembly 7 adopts a chain transmission mechanism, and the wheel axle in the auger power input assembly 7 is arranged horizontally.
[0032] The auger is driven by a chain transmission mechanism, which has strong conveying force and is not easy to get blocked. When the auger is blocked, the strong force transmitted by the chain reversal can easily reverse the blockage out.
[0033] When the utility model is working, the engine of the harvester drives the main transmission shaft 6 to rotate, and the main transmission shaft 6 simultaneously drives the conveying device 5, the first transition transmission assembly and the second transition transmission assembly to rotate, the first transition transmission assembly drives the movable knife transmission shaft 10 to rotate, the movable knife transmission shaft 10 drives the movable knife swing ring shaft 11 to rotate, the movable knife swing ring shaft 11 drives the movable knife swing arm of the movable knife device 3 to swing, the movable knife swing arm drives the movable knife body to move, the second transition transmission assembly 12 drives the auger transmission shaft 13 to rotate, the auger transmission shaft 13 drives the auger power input assembly 7 to rotate, and the auger power input assembly 7 drives the auger device 4 to work.
[0034] It should be noted that the term “lateral” refers to a direction parallel to the axial direction of the auger device 4 , and “longitudinal” refers to a direction perpendicular to the “lateral” and close to the conveying direction of the conveying device 5 .
[0035] Although 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 double-side driven harvester header, comprising a header housing (1), wherein the header housing (1) is provided with a reel device (2), a moving blade device (3), an auger device (4), a conveying device (5) and a transmission system, wherein: The transmission system comprises a main transmission shaft (6), a first transmission device and a second transmission device. The main transmission shaft (6) is arranged on the conveying device (5). The first transmission device and the second transmission device are respectively arranged on both sides of the conveying device (5) and respectively cooperate with the two ends of the main transmission shaft (6). The first transmission device drives the moving knife device (3) to work, and the second transmission device drives the auger device (4) to work.
2. A double-side drive harvester header according to claim 1, characterized in that: A power input wheel (8) is provided at one end of the main transmission shaft (6); the main transmission shaft (6) drives the conveying device (5) to work.
3. A double-side drive harvester header according to claim 1, characterized in that: The first transmission device comprises a first transition transmission assembly (9), a movable knife transmission shaft (10) and a movable knife swing ring shaft (11) which are sequentially coupled to each other for transmission; the movable knife transmission shaft (10) is arranged transversely, and the movable knife swing ring shaft (11) is arranged longitudinally and drives the movable knife device (3) to work.
4. A double-side drive harvester header according to claim 3, characterized in that: The first transition transmission assembly (9) is in close contact with one side of the conveying device (5), and the movable knife swing ring shaft (11) is in close contact with one side of the cutting platform housing (1).
5. The double-side drive harvester header according to claim 3, characterized in that: The first transition transmission component (9) is a single-stage or multi-stage belt transmission mechanism.
6. A double-side drive harvester header according to claim 3, characterized in that: The movable knife transmission shaft (10) and the movable knife swing ring shaft (11) realize variable direction transmission through an umbrella gear transmission mechanism. The movable knife swing ring shaft (11) cooperates with the movable knife transmission shaft (10) through an eccentric shaft assembly and drives the movable knife transmission shaft (10) to rotate eccentrically, and drives the movable knife device (3) to swing back and forth through the eccentric rotation.
7. The double-side drive harvester header according to claim 1, characterized in that: The second transmission device comprises a second transition transmission assembly (12), an auger transmission shaft (13) and an auger power input assembly (7) which are sequentially coupled to each other, the auger transmission shaft (13) being arranged transversely, and the auger power input assembly (7) driving the auger device (4) to operate.
8. A double-side drive harvester header according to claim 7, characterized in that: The second transition transmission assembly (12) is in close contact with one side of the conveying device (5), the auger transmission shaft (13) is located at the rear side of the header housing (1), and the auger power input assembly (7) is in close contact with one side of the header housing (1).
9. The double-side drive harvester header according to claim 7, characterized in that: The second transition transmission component (12) is a single-stage or multi-stage chain transmission mechanism.
10. The double-side drive harvester header according to claim 7, characterized in that: The auger transmission shaft (13) is coupled to the main shaft of the auger device (4) through an auger power input assembly (7), and the auger power input assembly (7) is a chain transmission mechanism.