Cotton picker chassis and cotton picker

Abstract

The cotton picker chassis is used for being installed on the cotton picker, the cotton picker chassis comprises an upper machine frame and a lower machine frame, the upper machine frame is installed above the lower machine frame, the upper machine frame is connected with the lower machine frame through a vertical beam, the lower machine frame comprises a front bridge and a rear bridge, and the front bridge is connected with the rear bridge through the vertical beam. The front axle bridge is used for installing a hub reduction gear and a motor, and a groove which is sunken downwards is formed in the rear axle bridge and used for installing an engine so as to lower the gravity center of the engine. According to the utility model, the groove which is sunken downwards is formed in the rear bridge of the lower rack and is used for mounting the engine, so that the gravity center of the engine is lowered to the maximum extent, and related parts related to the engine can be synchronously lowered, so that the gravity center of the whole machine is lowered under the condition that a large ground clearance is ensured, and the service life of the whole machine is prolonged. By means of the structural arrangement, it can be guaranteed that the cotton picker achieves a lower gravity center and better stability under the conditions of narrow wheel track and larger cotton box volume.

Description

TECHNICAL FIELD

[0001] The utility model relates to cotton collecting equipment technical field, especially, relate to a cotton picker chassis and cotton picker. BACKGROUND

[0002] At present, the cotton planting area of our country mainly distributes in Xinjiang area, the Yellow River basin, the Yangtze River basin, and the cotton picker is mainly large-scale cotton picker. And the Yangtze River, the Yellow River basin and part of cotton planting mode mainly are small plot areas of " one family one household " planting, and cotton field scale is small and scattered, and the use cost of medium and large scale cotton picker is high, and it is very difficult to operate in small plot, leading to medium and large scale cotton picker difficult to popularize and apply.

[0003] In order to promote the sustainable and stable development of cotton production in the Yangtze River and the Yellow River basin, improve the enthusiasm of farmers, it is urgent to develop a small cotton picker suitable for the Yangtze River and the Yellow River basin cotton planting mode, reduce the use cost and improve the production efficiency.

[0004] And subject to the weight of the essential components of the cotton picker, such as cotton head, cotton box, the whole machine occupies a high proportion, the gravity is forward or high and the position cannot be adjusted or reduced, and the whole machine weight is too high, leading to poor stability of the whole machine, and small type horizontal picking spindle type cotton picker has never appeared.

[0005] In agricultural production, modern agricultural machinery is very important, but large-scale use of diesel engine consumes a large amount of fuel resources and causes serious pollution to the environment. In recent years, with the development of new energy technology, new energy driven agricultural products have attracted much attention. However, subject to the development status of motor and the requirements of agricultural standards, there are certain difficulties in the braking and installation mode of motor direct drive mode.

[0006] In addition, the triangular track gradually rises with the advantages of fast walking speed, small ground pressure and good passing performance, and the advantage is obvious compared with tire in some areas. Therefore, the "wheel and track interchangeable" chassis gradually begins to be welcomed by the market. The triangular track is divided into "integral type" and "split type" triangular track, and the reliability and stability of split type track are much higher than that of integral type, but its fixed mechanism is complex, leading to the difficulty of popularization.

[0007] Patent CN220391371U discloses a track self-propelled chassis for a cotton picker, which adopts a fuel tank arranged under the main frame of the chassis to increase the weight to reduce the center of gravity, without considering whether the low fuel tank will affect the ground clearance. Patent CN220383631U discloses a cotton picker frame and a cotton picker, which focuses on stabilizing the engine seat through two connecting mechanisms, which can provide a stable working environment for the engine when the vehicle tilts forward or backward. Patent application CN116897702A discloses a cotton picker frame structure and a cotton picker, which focuses on providing a stable mechanism to ensure stable operation of the engine in the forward and backward tilting state of the vehicle and a lifting mechanism for lifting the whole machine. Patent CN219395581U discloses a liftable chassis structure and a cotton picker, which aims to provide a liftable chassis structure to meet the requirements of ground clearance and road height limit. Therefore, it is urgent to provide a cotton picker chassis arrangement scheme that can solve the problem of high center of gravity and poor stability of small electric cotton pickers in the case of narrow wheelbase. Utility model content

[0008] The utility model provides a cotton picker chassis to solve the technical problem of high center of gravity and poor stability of small electric cotton pickers in the case of narrow wheelbase.

[0009] The utility model also provides a cotton picker.

[0010] According to one aspect of the utility model, a cotton picker chassis is provided for installation on a cotton picker, the cotton picker chassis comprising an upper frame and a lower frame, the upper frame being installed above the lower frame, the upper frame being connected to the lower frame by a vertical beam assembly, the lower frame comprising a front bridge and a rear bridge, the front bridge being used to install a wheel edge reducer and a motor, the rear bridge being provided with a downwardly recessed groove, the groove being used to install an engine to lower the center of gravity of the engine.

[0011] Further, the lower frame further comprises a rectangular frame, both ends of the front bridge and the rear bridge being installed on the rectangular frame; both ends of the groove of the rear bridge are provided with an engine mounting seat, the engine mounting seat being used to arrange the engine in a sunken manner on the rear bridge.

[0012] Further, the front bridge (6) is provided with a motor mounting seat at both ends, the motor mounting seat comprises coaxially arranged outer circular tube (63) and inner circular tube (64), and auxiliary plate (62) arranged between the outer circular tube (63) and the inner circular tube (64), the motor mounting seat is connected with the front bridge (6) through the auxiliary plate (62), the outer circular tube (63) is arranged at one end of the motor mounting seat towards the outside of the lower rack (1), and the inner circular tube (64) is arranged at one end of the motor mounting seat towards the inside of the lower rack (1); the outer circular tube (63) is provided with a wheel edge reducer mounting hole for mounting a wheel edge reducer (9), and the inner circular tube (64) is provided with a motor mounting hole for mounting a motor (10).

[0013] Further, the inner circular tube is provided with a brake caliper mounting notch, the brake caliper mounting notch is located at the bottom position on the inner circular tube towards the rear bridge side and is used for mounting a brake caliper.

[0014] Further, the auxiliary plate is provided with a track support mounting hole, and the track support mounting hole is used for mounting a split type triangular track fixing frame.

[0015] Further, the upper rack comprises a frame, and the frame comprises a plurality of upper rack cross beams and upper rack longitudinal beams.

[0016] Further, the vertical beam assembly comprises inclined vertical beams arranged obliquely relative to the vertical direction and / or straight vertical beams arranged along the vertical direction.

[0017] Further, the transverse width of the upper rack is greater than the transverse width of the lower rack.

[0018] Further, the cotton picker chassis further comprises a front rack, the front rack is arranged above the lower rack and is mounted at the front of the upper rack, and the upper part of the front rack is provided with a front picking table.

[0019] According to still another aspect of the utility model, a cotton picker is also provided, the cotton picker comprises the cotton picker chassis.

[0020] The utility model has the following beneficial effects:

[0021] The cotton picking machine chassis provided by the utility model has the characteristics of reasonable design, simple manufacturing process, firm and reliable structure and low weight.

[0022] In addition to the purposes, features and advantages described above, the utility model has other purposes, features and advantages. BRIEF DESCRIPTION OF DRAWINGS

[0023] The accompanying drawings, which form a part of this application, are intended to provide further understanding of the utility model and are used in the interpretation of the utility model together with its description. The utility model is illustrated by the schematic embodiments of the utility model and their description, and does not constitute an improper limitation on the utility model. In the drawings:

[0024] Figure 1 It is a structural schematic view of the cotton picking machine chassis;

[0025] Figure 2 It is a structural schematic view of the engine mounting seat on the rear bridge beam;

[0026] Figure 3 It is an engine mounting state schematic view;

[0027] Figure 4 It is a structural schematic view of the front bridge beam;

[0028] Figure 5 It is an engine mounting state schematic view.

[0029] In the drawings, 1 is a lower frame; 2 is an upper frame; 3 is a straight vertical beam; 4 is an inclined vertical beam; 5 is a front frame; 6 is a front bridge beam; 61 is a cross beam on the front bridge beam; 62 is an auxiliary plate; 63 is an outer circular tube; 64 is an inner circular tube; 65 is a brake caliper mounting notch; 7 is a rear bridge beam; 71 is an engine mounting seat; 8 is an engine; 9 is a wheel edge speed reducer; 10 is an electric motor; and 11 is a brake caliper. DETAILED DESCRIPTION

[0030] The embodiments of the utility model are described in detail below in combination with the drawings, but the utility model can be implemented in multiple different modes limited and covered by the following description.

[0031] Referring toFigures 1 to 5 The utility model discloses a first aspect of embodiment provides a kind of cotton picker chassis, for installation on cotton picker, the cotton picker chassis includes upper rack 2 and lower rack 1, the upper rack 2 is installed above lower rack 1, the upper rack 2 is connected with lower rack 1 by vertical beam assembly, the lower rack 1 includes front bridge 6 and rear bridge 7, the front bridge 6 is used to install wheel edge reducer 9 and motor 10, recess is equipped on the rear bridge 7 downward, the recess is used to install engine 8 to reduce engine 8 gravity center.

[0032] In the above-mentioned cotton picker chassis, the upper rack 2 is used to install the cotton box, and the upper rack 2 is fixedly connected with the lower rack 1 through a plurality of vertical beams. This frame structure can reduce the weight of the chassis. The lower rack 1 is used to install devices such as the wheel edge reducer 9, the motor 10, and the engine 8. The front bridge 6 and the rear bridge 7 are installed below the lower rack 1. The rear bridge 7 is fixedly welded on the lower rack 1. The recess downward recessed on the rear bridge 7 is in the shape of a "V". The engine mounting seat 71 is arranged on the front and rear parts of the upper part of the V-shaped rear bridge. The engine 8 is arranged above the rear bridge 7 in a sunken manner, and the oil pan of the engine 8 is directly above the "V"-shaped recess. Therefore, the gravity center of the engine 8 is reduced to the maximum, and the related parts related to the engine 8 can also be reduced synchronously. Thus, the gravity center of the entire machine is reduced while ensuring a large ground clearance. At the same time, the distance between the engine 8 and the tire is also reduced to the maximum. Since the engine 8 is closest to the tire, the vibration generated by the engine 8 can be quickly transmitted to the tire through the frame, thereby greatly reducing the vibration of the entire machine.

[0033] The cotton picker chassis provided by the utility model has the characteristics of reasonable design, simple manufacturing process, firm and reliable structure, and low weight. The recess downward recessed on the rear bridge 7 of the lower rack 1 is used to install the engine 8, so that the gravity center of the engine 8 is reduced to the maximum, and the related parts related to the engine 8 can also be reduced synchronously. Thus, the gravity center of the entire machine is reduced while ensuring a large ground clearance. Through the above structure, the cotton picker can achieve a lower gravity center and better stability in the case of a larger cotton box volume and a narrow wheel pitch. The cotton picker chassis is suitable for an electric motor direct drive chassis. Compared with the machine type driven by a gearbox and a hydraulic motor or a mechanical drive, the weight of the entire machine is further reduced, and the cotton picker is more suitable for miniaturization.

[0034] In the embodiments of the application, refer to Figure 2 and Figure 3The lower frame 1 further comprises a rectangular frame composed of load-bearing longitudinal beams and connecting cross beams, both ends of the front bridge 6 and the rear bridge 7 being mounted on the rectangular frame; the recessed end of the rear bridge 7 is provided with an engine mounting seat 71 for sinkingly arranging the engine 8 on the rear bridge 7. The load-bearing beams are two, which are connected and fixed by a plurality of connecting cross beams to form a rectangular frame structure, both ends of the front bridge 6 and the rear bridge 7 are respectively welded on the two load-bearing beams. By sinkingly arranging the engine 8 on the rear bridge 7 through the rear bridge 7 with a recess structure, the gravity center of the engine 8 is maximally reduced, and the related parts related to the engine 8 can be simultaneously reduced, so as to reduce the gravity center of the whole machine under the condition of ensuring a large ground clearance.

[0035] In the embodiments of the application, referring to Figure 4 and Figure 5 both ends of the front bridge 6 are provided with a motor mounting seat, the motor mounting seat comprises coaxially arranged outer circular pipe 63 and inner circular pipe 64, and auxiliary plate 62 arranged between the outer circular pipe 63 and the inner circular pipe 64, the motor mounting seat is connected with the front bridge 6 through the auxiliary plate 62, the outer circular pipe 63 is arranged at one end of the motor mounting seat towards the outside of the lower frame 1, and the inner circular pipe 64 is arranged at one end of the motor mounting seat towards the inside of the lower frame 1; the outer circular pipe 63 is provided with wheel side reducer mounting hole for mounting the wheel side reducer 9, and the inner circular pipe 64 is provided with motor mounting hole for mounting the motor 10.

[0036] The front bridge 6 is also fixedly welded on the lower frame 1, and corresponding wheel side reducer and motor 10 mounting seats are symmetrically arranged on the left and right sides thereof, the wheel side reducer 9 and the motor 10 mounting seat are composed of coaxial outer circular pipe 63 and inner circular pipe 64, one end of the outer circular pipe 63 is provided with wheel side reducer 9 mounting hole, one end of the inner circular pipe 64 is provided with motor 10 mounting hole, the wheel side reducer 9 and the motor 10 are connected through half shaft with brake disc, and brake caliper 11 mounting gap 65 is arranged on the inner circular pipe 64 and connected with the front bridge 6 through the auxiliary plate 62.

[0037] In the embodiments of the application, the brake caliper mounting gap 65 is arranged at the bottom position on the side of the inner circular pipe 64 towards the rear bridge 7 and used for mounting the brake caliper 11. The brake caliper mounting gap 65 is arranged at the rear lower part of the circular pipe, facilitating maintenance, and when the cotton picker is running, the front circular pipe has a certain guiding effect on the cotton, does not cause the unharvested cotton to fall off, and prevents the cotton branches from scratching the brake caliper 11. The arrangement mode is convenient for manufacturing and assembling, and the manufacturing precision of parts is high.

[0038] In the embodiment of the application, the auxiliary plate 62 is provided with track support mounting holes for mounting the split triangular track fixing frame.

[0039] In the embodiment of the application, the upper frame 2 comprises a frame including a plurality of upper frame cross beams and upper frame longitudinal beams.

[0040] In the embodiment of the application, the vertical beam assembly comprises inclined vertical beams 4 arranged obliquely relative to the vertical direction and / or straight vertical beams 3 arranged along the vertical direction. The inclined vertical beams 4 and / or straight vertical beams 3 are arranged upward and outward from the lower frame 1 as a starting point, and the inclined vertical beams 4 on the left and right sides form a structure that is wide downward, so that the transverse width of the upper frame 2 is greater than the transverse width of the lower frame 1.

[0041] In the embodiment of the application, the transverse width of the upper frame 2 is greater than the transverse width of the lower frame 1, so that the lower frame 1 ensures that the upper plane of the upper frame 2 has a larger area in the case of a narrow wheelbase (miniaturization), so as to install a cotton box with a larger volume, thereby ensuring the volume of the cotton bin and reducing the frequency of frequent cotton unloading of a small cotton picker.

[0042] Further, the cotton picker chassis further comprises a front frame 5 arranged above the lower frame 1 and mounted at the front of the upper frame 2, and the upper part of the front frame 5 is provided with a front picking table.

[0043] The second aspect of the embodiment of the utility model provides a cotton picker, and the cotton picker is provided with the cotton picker chassis.

[0044] The above merely describes preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can have various modifications and changes. 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. A cotton harvester chassis for mounting on a cotton harvester, characterized by, The cotton picker chassis comprises an upper frame (2) and a lower frame (1), the upper frame (2) is installed above the lower frame (1), the upper frame (2) is connected with the lower frame (1) through a vertical beam assembly, the lower frame (1) comprises a front bridge beam (6) and a rear bridge beam (7), the front bridge beam (6) is used for installing a wheel side reducer (9) and a motor (10), the rear bridge beam (7) is provided with a downwardly recessed groove, the groove is used for installing an engine (8) to lower the gravity center of the engine (8).

2. The cotton harvester chassis of claim 1, wherein, The lower frame (1) further comprises a rectangular frame, both ends of the front bridge beam (6) and the rear bridge beam (7) are installed on the rectangular frame; the groove of the rear bridge beam (7) is provided with an engine mounting seat (71) at both ends, the engine mounting seat (71) is used for sinkingly arranging the engine (8) on the rear bridge beam (7).

3. The cotton harvester chassis of claim 1, wherein, Both ends of the front bridge beam (6) are provided with a motor mounting seat, the motor mounting seat comprises coaxially arranged outer and inner circular tubes (63, 64) and an auxiliary plate (62) arranged between the outer and inner circular tubes (63, 64), the motor mounting seat is connected with the front bridge beam (6) through the auxiliary plate (62), the outer circular tube (63) is arranged at one end of the motor mounting seat towards the outside of the lower frame (1), the inner circular tube (64) is arranged at one end of the motor mounting seat towards the inside of the lower frame (1); the outer circular tube (63) is provided with a wheel side reducer mounting hole for installing the wheel side reducer (9), the inner circular tube (64) is provided with a motor mounting hole for installing the motor (10).

4. The cotton harvester chassis of claim 3, wherein, A brake caliper mounting notch (65) is formed on the inner circular tube (64), the brake caliper mounting notch (65) is located at the bottom of the inner circular tube (64) towards the rear bridge beam (7) and is used for installing a brake caliper (11).

5. The cotton harvester chassis of claim 3 wherein, The auxiliary plate (62) is provided with a track support mounting hole, the track support mounting hole is used for installing a split type triangular track fixing frame.

6. The cotton picker chassis of claim 1, wherein, The upper frame (2) comprises a frame, the frame comprises a plurality of upper frame cross beams and upper frame longitudinal beams.

7. The cotton harvester chassis of claim 1 wherein, The vertical beam assembly comprises an inclined vertical beam (4) arranged in an inclined manner relative to the vertical direction and / or a straight vertical beam (3) arranged in the vertical direction.

8. The cotton picker chassis of claim 1, wherein, The transverse width of the upper frame (2) is greater than the transverse width of the lower frame (1).

9. The cotton harvester chassis of claim 1 wherein, The cotton picker chassis further comprises a front frame (5), the front frame (5) is arranged above the lower frame (1) and is installed at the front of the upper frame (2), the upper part of the front frame (5) is provided with a front picking table.

10. A cotton harvester characterized by, The cotton picker comprises the cotton picker chassis according to any one of claims 1-9.

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