Grass chopping device of harvester

Abstract

The utility model relates to a grass chopping device of a harvester, which comprises a grass chopping roller connected with a driving mechanism. The grass chopping roller is rotatably installed in the machine shell, a discharging opening is formed in the machine shell, and the machine shell is detachably connected with the grass chopping roller; the monitoring mechanism comprises a Hall sensor connected with the grass chopping roller and a controller connected with the Hall sensor, and the controller is connected with an alarm; the rear cover plate is hinged to the rear end of the machine shell, is arranged at the discharging port of the machine shell and is used for at least partially closing the discharging port, and an elastic mechanism is connected between the rear cover plate and the machine shell. The monitoring mechanism is designed, so that the working state of the grass chopping roller can be monitored in real time, abnormal conditions can be found and handled in time, and the safety of equipment is improved; the grass chopping efficiency and quality can be improved through efficient rotation of the grass chopping roller and flexible control of the rear cover plate.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of grass chopper, especially relates to a grass chopping device of harvester. BACKGROUND

[0002] The existing grass chopping device of harvester has the following two defects in actual use: 1. In the operation process, the straw winding and blade jamming phenomenon of the grass chopping roller cannot be avoided, and the operating personnel cannot monitor the above-mentioned situation in time in the cab, which has certain safety hazards; 2. The rear cover plate and the shell of the existing grass chopping device are connected by a chain, and the rear cover plate is in an open state in the operation process. During the reversing process of the harvester, the rear cover plate is easy to collide with walls, trees, telegraph poles and the like. Based on this situation, the rear cover plate connected by the chain will inevitably be damaged. In addition, the rear cover plate connected by the chain is easy to be torn due to high-frequency vibration in the operation process of the harvester, which shortens the service life. The above technical problems are urgent to be solved by the person skilled in the art. SUMMARY

[0003] In view of the above defects of the prior art, the utility model provides a grass chopping device of harvester, which improves the efficiency and quality of grass chopping through efficient rotation of the grass chopping roller and flexible control of the rear cover plate.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0005] A grass chopping device of harvester, comprising a grass chopping roller, wherein the grass chopping roller is connected with a driving mechanism;

[0006] A shell, wherein the grass chopping roller is rotatably installed in the shell, and the shell is provided with a discharge port, and the shell is detachably connected with the grass chopping roller;

[0007] A monitoring mechanism, comprising a Hall sensor connected with the grass chopping roller, a controller connected with the Hall sensor, and an alarm connected with the controller;

[0008] A rear cover plate, which is hinged to the rear end of the shell and arranged at the discharge port of the shell, is used for at least partially closing the discharge port, and an elastic mechanism is connected between the rear cover plate and the shell.

[0009] In a preferred embodiment of the utility model, two side plates are arranged at both ends of the rear cover plate and embedded between the shell and the rear cover plate.

[0010] In a preferred embodiment of the utility model, the elastic mechanism is provided with two groups, which comprise an upper buckle head installed on the shell, a lower buckle head installed on the rear cover plate, and a spring buckled between the upper buckle head and the lower buckle head.

[0011] In a preferred embodiment of the utility model, two the spring is placed between the casing and the back cover board in inverted V shape, and the upper buckle head and the lower buckle head are locked through bolt.

[0012] In a preferred embodiment of the utility model, the controller is equipped with a display screen for displaying the speed of the grass crushing roller, and the controller and the alarm are placed in the cab of the casing.

[0013] In a preferred embodiment of the utility model, the back cover board is connected with the casing by a hinge.

[0014] In a preferred embodiment of the utility model, the side baffle is triangular and connected with the back cover board by a hinge, and the side of the side baffle close to the casing extends to the end of the casing.

[0015] In a preferred embodiment of the utility model, the side of the side baffle close to the casing is equipped with a buckle plate, and the casing is equipped with a locking block corresponding to the buckle plate, the buckle plate is overlapped on the locking block and fixed by a bolt.

[0016] Beneficial effect: the grass crushing device of the harvester has the following beneficial effects: the monitoring mechanism is used for monitoring the working state of the grass crushing roller, the controller receives the signal of the hall sensor and judges the speed of the grass crushing roller according to the signal, if the abnormality is detected, the controller triggers the alarm to issue an alarm to remind the operator to check or handle;

[0017] The back cover board of the utility model is hinged at the rear end of the casing and arranged at the discharge port, used for controlling the discharge of the crushed grass, the back cover board is connected with the elastic mechanism, which can automatically close when the rear part collides with foreign matters during reversing; at the same time, the elastic mechanism makes the back cover board not easy to tear in high-frequency vibration, prolonging the service life of the back cover board.

[0018] The grass crushing device of the harvester has the following beneficial effects: the monitoring mechanism is used for monitoring the working state of the grass crushing roller, the controller receives the signal of the hall sensor and judges the speed of the grass crushing roller according to the signal, if the abnormality is detected, the controller triggers the alarm to issue an alarm to remind the operator to check or handle; BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The utility model provides a kind of structure schematic view of the grass crushing device of harvester;

[0020] Figure 2 The utility model provides the installation structure schematic view of the grass crushing roller and monitoring mechanism;

[0021] Figure 3 The utility model provides a kind of partial structure schematic view of the grass crushing device of harvester;

[0022] Figure 4 Part structure of a grass chopping device of a harvester provided by the utility model is shown in the figure.

[0023] Figure 5 Part structure of a grass chopping device of a harvester provided by the utility model is shown in the figure.

[0024] 1 grass chopping roller;

[0025] 2 machine shell;

[0026] 3 monitoring mechanism, 31 Hall sensor, 32 controller, 33 alarm;

[0027] 4 rear cover plate;

[0028] 5 elastic mechanism, 51 upper buckle head, 52 lower buckle head, 53 spring;

[0029] 6 side baffle;

[0030] 7 locking block. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0032] As shown in the figure, the utility model provides a grass chopping device of a harvester, which comprises a grass chopping roller 1, the grass chopping roller 1 is connected with a driving mechanism; Figures 1-2

[0033] Machine shell 2, which is rotatably installed with the above-mentioned grass chopping roller 1, is provided with a discharge port, and the machine shell 2 is detachably connected with the grass chopping roller 1;

[0034] Monitoring mechanism 3, which comprises a Hall sensor 31 connected with the grass chopping roller 1 and a controller 32 connected with the Hall sensor 31, is connected with an alarm 33;

[0035] Rear cover plate 4, which is hinged at the rear end of the machine shell 2 and is arranged at the discharge port of the machine shell 2, is used for at least partially closing the above-mentioned discharge port, and the elastic mechanism 5 is connected between the rear cover plate 4 and the machine shell 2;

[0036] Two side baffles 6, which are arranged at both ends of the rear cover plate 4 and are embedded between the machine shell 2 and the rear cover plate 4;

[0037] The working principle and beneficial effects of the above-mentioned embodiments are as follows:

[0038] ​The utility model discloses a grass crushing roller 1 is responsible for the forage of harvesting is smashed, its connecting drive mechanism, realizes grass crushing roller 1 rotation through power transmission to the forage is smashed,

[0039] The grass crushing roller 1 is installed in the casing 2, and is designed with a discharge port for discharging the crushed grass after being processed by the grass crushing roller 1, and the casing 2 and the grass crushing roller 1 are detachably connected, which is convenient for maintenance and replacement.

[0040] The monitoring mechanism 3 comprises a Hall sensor 31 for monitoring the working state of the grass crushing roller 1, and a controller 32 receives the signal of the Hall sensor 31 and judges the rotating speed of the grass crushing roller 1 according to the signal, if an abnormality is detected, the controller 32 will trigger the alarm 33 to issue an alarm to remind the operator to check or handle;

[0041] The rear cover plate 4 is hinged to the rear end of the casing 2 and is arranged at the discharge port for controlling the discharge of the crushed grass, when the rear cover plate 4 is in the open state, the vehicle is easy to hit the wall, tree, telegraph pole and the like, the elastic mechanism 5 is used for automatically closing the rear cover plate 4 after hitting the foreign matter at the rear during reversing, at the same time, the elastic mechanism 5 makes the rear cover plate 4 not easy to tear in high-frequency vibration, thereby prolonging the service life of the rear cover plate 4.

[0042] The two side baffles 6 are respectively embedded in the two ends of the rear cover plate 4 and are embedded between the casing 2 and the rear cover plate 4, and play a fixing and protection role during the transportation of the grass crushing device.

[0043] The utility model discloses the design monitoring mechanism 3, can real -time monitoring the working state of grass crushing roller 1, and promptly discovers and handles the abnormal situation, improves equipment security, and the efficient rotation of grass crushing roller 1 and the flexible control of rear cover plate 4 can improve the efficiency and quality of the crushed grass.

[0044] In one embodiment, as shown in Figure 3 ,

[0045] The above-mentioned elastic mechanism 5 is provided with two groups, which comprises an upper buckle head 51 installed on the casing 2, a lower buckle head 52 installed on the rear cover plate 4, and a spring 53 buckled between the upper buckle head 51 and the lower buckle head 52;

[0046] The spring 53 is buckled between the upper buckle head 51 and the lower buckle head 52, and provides elastic force, so that the rear cover plate 4 can be flexibly opened and closed, and the design of the spring 53 allows the rear cover plate 4 to have a certain elastic deformation when subjected to external force, thereby reducing the damage of impact force to the casing 2 and the rear cover plate 4.

[0047] In one embodiment, as shown in Figure 4 ,

[0048] The two above-mentioned springs 53 are placed between the casing 2 and the rear cover plate 4 in an inverted V shape, and the upper buckle head 51 and the lower buckle head 52 are locked by bolts;

[0049] The inverted V-shaped design of the spring 53 provides stable support and elasticity between the shell 2 and the rear cover plate 4, which allows the spring 53 to evenly disperse the force when compressed or stretched, reduces local stress concentration, and improves the service life and reliability of the spring 53.

[0050] In one embodiment,

[0051] The controller 32 is provided with a display screen for displaying the rotating speed of the grass crushing roller 1, and the controller 32 and the alarm 33 are arranged in the cab of the shell 2, so as to facilitate the operator to monitor and respond in real time.

[0052] In one embodiment,

[0053] The rear cover plate 4 is hingedly connected with the shell 2, so that the rear cover plate 4 rotates freely around the fixed point of the shell 2 to realize the opening and closing action of the rear cover plate 4.

[0054] In one embodiment, as Figure 5 shown,

[0055] The side plate 6 is triangular and is hingedly connected with the rear cover plate 4, and the side edge of the side plate 6 close to the shell 2 extends to the end of the shell 2.

[0056] The triangular side plate 6 increases the structural stability of the grass crushing device and can reduce deformation or damage caused by external force.

[0057] In one embodiment,

[0058] The side plate 6 close to the shell 2 is provided with a buckle plate, and a locking block 7 is arranged on the shell 2, the buckle plate is overlapped on the locking block 7 and is fixed by bolts.

[0059] The buckle plate on the side plate 6 cooperates with the locking block 7 to achieve mechanical locking, so that the side plate 6 is firmly fixed on the shell 2, and is convenient to disassemble and maintain.

[0060] In summary,

[0061] The utility model discloses set up monitoring mechanism for monitoring the working condition of grass crushing roller, and the controller receives the signal of hall sensor, and judges the rotating speed of grass crushing roller according to the signal, and if detecting the abnormality, the controller will trigger the alarm and send the alarm, and remind the operator to check or handle;

[0062] The rear cover plate is hingedly connected to the rear end of the shell and is arranged at the discharge port, is used for controlling the discharge of the crushed grass, the rear cover plate is connected with the elastic mechanism, the rear cover plate can be automatically closed when the rear cover plate is hit by foreign matters during reversing, the elastic mechanism makes the rear cover plate not easy to be torn in high-frequency vibration, and the service life of the rear cover plate is prolonged.

[0063] The grass crushing device of the harvester can realize real-time monitoring of the working state of the grass crushing roller, and can timely discover and handle abnormal conditions, thereby improving the safety of the device; and the efficient rotation of the grass crushing roller and the flexible control of the rear cover plate can improve the efficiency and quality of grass crushing.

[0064] The basic principle, main features and advantages of the utility model are shown and described above, and the front, back, left and right used in the text are not specific, and are mainly used for more intuitive description of the technical scheme, and do not have a limiting effect. The skilled person in the industry should understand that the above implementation mode is only for describing the technical concept and characteristics of the utility model, and the purpose is to enable persons skilled in the art to understand the content of the utility model and implement it, and cannot limit the protection scope of the utility model, and any equivalent changes or modifications made according to the spirit and essence of the utility model should be covered within the protection scope of the utility model.

Claims

1. A straw chopping device for a harvesting machine, characterised in that: It comprises a grass crushing roller (1) connected with a driving mechanism; A machine shell (2) rotatably mounting the grass crushing roller (1) and provided with a discharge port, the machine shell (2) is detachably connected with the grass crushing roller (1); A monitoring mechanism (3) comprising a Hall sensor (31) connected with the grass crushing roller (1), a controller (32) connected with the Hall sensor (31), and an alarm (33) connected with the controller (32); A rear cover plate (4) hinged at the rear end of the machine shell (2) and arranged at the discharge port of the machine shell (2) for at least partially closing the discharge port, and an elastic mechanism (5) connected between the rear cover plate (4) and the machine shell (2).

2. A straw chopping device for a harvester as claimed in claim 1, wherein: It also comprises two side baffle plates (6) arranged at both ends of the rear cover plate (4) and fitted between the machine shell (2) and the rear cover plate (4).

3. A straw chopping device for a harvester as claimed in claim 1, wherein: The elastic mechanism (5) is provided with two groups, comprising an upper buckle head (51) mounted on the machine shell (2), a lower buckle head (52) mounted on the rear cover plate (4), and a spring (53) buckled between the upper buckle head (51) and the lower buckle head (52).

4. A straw chopping device for a harvester as claimed in claim 3, wherein: The two springs (53) are placed in an inverted V shape between the machine shell (2) and the rear cover plate (4), and the upper buckle head (51) and the lower buckle head (52) are locked by bolts.

5. A straw chopping device for a harvester as claimed in claim 1, wherein: The controller (32) is provided with a display screen for displaying the rotating speed of the grass crushing roller (1), and the controller (32) and the alarm (33) are placed in the cab of the machine shell (2).

6. A straw chopping device for a harvester as claimed in claim 1, wherein: The rear cover plate (4) and the machine shell (2) are connected by hinges.

7. A straw chopping device for a harvester as claimed in claim 2, wherein: The side baffle plate (6) is triangular and connected with the rear cover plate (4) by hinges, and the side edge of the side baffle plate (6) close to the machine shell (2) extends to the end of the machine shell (2).

8. A straw chopping device for a harvester as claimed in claim 2, wherein: The side edge of the side baffle plate (6) close to the machine shell (2) is provided with a buckle plate, which corresponds to a locking block (7) provided on the machine shell (2), the buckle plate is overlapped on the locking block (7) and fixed by bolts.

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