Straight movement control mechanism of rotary cultivator

Abstract

The utility model discloses a straight movement control mechanism of a rotary cultivator. The straight movement control mechanism comprises a direction sensor, a motor, a swing arm, a controller and a transmission mechanism, the direction sensor is installed on a machine body of the rotary cultivator and used for detecting the advancing direction of the rotary cultivator. The direction sensor is electrically connected with the controller, the controller is electrically connected with the motor, and the controller is used for controlling the motor to rotate; the motor is in transmission connection with the swing arm and used for controlling the swing arm to rotate or stop, the swing arm is connected with the transmission mechanism, and the transmission mechanism is connected with a direction control mechanism of the rotary cultivator. The walking state of the rotary cultivator is detected by the direction sensor, when the advancing direction of the rotary cultivator deviates, a deviation signal is sent to the controller, the controller sends a control signal to the motor after calculation, the motor is controlled to rotate, the rotation of the motor is transmitted to the swing arm, and the swing arm rotates. Rotation of the swing arm is transmitted to a direction control mechanism of the rotary cultivator through the transmission mechanism so as to control the walking direction of the rotary cultivator and enable the rotary cultivator to keep straight.

Description

Technical Field

[0001] The utility model belongs to the technical field of agricultural machinery, and in particular relates to a straight-moving control mechanism for a rotary tiller. Background Art

[0002] Rotary tillers are generally used for tilling dry land and paddy fields. Both dry land and paddy fields are generally bumpy. When a rotary tiller is moving on such a ground, it is easy to tilt at the bumpy ground and cause a small passive turn. At this time, the rotary tiller driver needs to control the direction differently to keep the rotary tiller moving in a straight line, so the driver needs to consume a lot of energy to keep the rotary tiller moving in a straight line. Utility Model Content

[0003] The utility model provides a straight-moving control mechanism for a rotary tiller, which can automatically adjust when the moving direction of the rotary tiller deviates, so that the rotary tiller keeps moving in a straight line. The specific technical solution is as follows:

[0004] A straight-movement control mechanism for a rotary tiller comprises a direction sensor, a motor, a swing arm, a controller and a transmission mechanism; the direction sensor is mounted on the body of the rotary tiller and is used to detect the direction of travel of the rotary tiller; the direction sensor is electrically connected to the controller, the controller is electrically connected to the motor, and the controller is used to control the rotation of the motor; the motor is transmission-connected to the swing arm, the motor is used to control the rotation or stillness of the swing arm, the swing arm is connected to the transmission mechanism, and the transmission mechanism is connected to the direction control mechanism of the rotary tiller.

[0005] Through the above technical solution, the direction sensor detects the walking state of the rotary tiller. When the traveling direction of the rotary tiller deviates, the deviation signal is sent to the controller. After calculation, the controller sends a control signal to the motor to control the rotation of the motor. The rotation of the motor is transmitted to the swing arm to rotate the swing arm. The rotation of the swing arm is transmitted to the direction control mechanism of the rotary tiller through the transmission mechanism to control the walking direction of the rotary tiller to keep it moving straight.

[0006] Preferably, a rotary tiller straight travel control mechanism comprises a first connecting plate and a second connecting plate, wherein the first connecting plate is mounted on the rotary tiller, the second connecting plate is fixedly connected to the first connecting plate, the first connecting plate is located on one side of the second connecting plate, the other side of the second connecting plate is fixedly connected to one side of a transmission box, and the other side of the transmission box is fixedly connected to a controller;

[0007] One end of the transmission box is connected to the rotating shaft of the motor, and the other end is connected to the swing arm through the transmission shaft, and the motor is installed on the rotary tiller;

[0008] The transmission mechanism includes a flexible connecting line and a flexible sleeve, one end of the flexible connecting line passes through the first connecting plate and is fixedly connected to the swing arm, and the other end is fixedly connected to the direction control mechanism of the rotary tiller; the flexible sleeve is sleeved on the outside of the flexible connecting line, one end of the flexible sleeve is fixedly connected to the first connecting plate, and the other end is fixedly connected to the rotary tiller near the direction control mechanism.

[0009] Through the above technical solution, the installation of the straight-moving control mechanism of the rotary tiller is more convenient. The first connecting plate can be directly fixed on the rotary tiller. The transmission mechanism adopts a flexible connecting wire and a flexible sleeve, which makes the installation of the transmission mechanism more convenient. It is only necessary to pass the flexible connecting wire and the flexible sleeve through the gap of the rotary tiller and connect them to the direction control mechanism.

[0010] Preferably, a straight-movement control mechanism of a rotary tiller includes a mounting base, which is detachably mounted on the rotary tiller, and a transmission box and a motor are respectively mounted on the mounting base, wherein the rotating shaft of the motor is rotatably connected to one end of the transmission box, and the other end of the transmission box is connected to a swing arm via a transmission shaft, and the swing arm is connected to the transmission mechanism, and the transmission box is fixedly connected to the controller.

[0011] The above technical solution facilitates the disassembly of the straight-moving control mechanism of the rotary tiller.

[0012] Preferably, a second connecting plate is installed on the transmission box, the second connecting plate is located between the transmission box and the swing arm, and a first connecting plate is installed on the second connecting plate, the first connecting plate is located below the swing arm;

[0013] The transmission mechanism includes a flexible connecting line and a flexible sleeve, one end of the flexible connecting line passes through the first connecting plate and is fixedly connected to the swing arm, and the other end is fixedly connected to the direction control mechanism of the rotary tiller; the flexible sleeve is sleeved on the outside of the flexible connecting line, one end of the flexible sleeve is fixedly connected to the first connecting plate, and the other end is fixedly connected to the rotary tiller near the direction control mechanism.

[0014] The above technical solution makes the disassembly and assembly of the transmission mechanism more convenient.

[0015] Preferably, the mounting seat includes a base plate, a first limit plate, a second limit plate, a fixed block and a screw, the base plate is installed on the rotary tiller, the first limit plate is fixedly connected to the base plate, the second limit plate is slidably connected to the base plate, the fixed block is fixedly connected to the base plate, the screw is threadedly connected to the fixed block, the screw passes through the fixed block and contacts the second limit plate, and the first limit plate and the second limit plate cooperate to clamp the transmission box on the mounting seat.

[0016] Through the above technical solution, the transmission box can be disassembled and assembled simply by twisting the screw, making the disassembly and assembly of the transmission box more convenient.

[0017] Preferably, a handle is mounted on the screw rod, and the handle is hingedly connected to the screw rod.

[0018] Through the above technical solution, the screw can be rotated by the handle only by rotating the handle to be perpendicular to the screw, making the rotation of the screw more convenient.

[0019] Preferably, the transmission box includes an outer shell, a transmission gear set and a transmission shaft, the outer shell is fixedly connected to the second connecting plate, the transmission gear set is located in the outer shell and is rotatably connected to the outer shell, the transmission gear set is respectively connected to the rotating shaft and the transmission shaft of the motor, and the transmission shaft is fixedly connected to the swing arm.

[0020] Through the above technical solution, the transmission from the motor to the swing arm is made more stable through gear transmission.

[0021] Preferably, a waist-shaped hole is provided at the connection between the swing arm and the flexible connecting line, and a "U"-shaped connecting piece is installed on the flexible connecting line, and the "U"-shaped connecting piece is fixed to the swing arm by bolts.

[0022] Through the above technical solution, the tension of the flexible connecting line can be adjusted by simply loosening the bolts, and then tightening them after adjustment, making the adjustment of the tension of the flexible connecting line more convenient.

[0023] The beneficial effects of the utility model are:

[0024] 1. After the direction sensor detects the direction deviation, the controller can automatically control the rotation of the motor, and control the direction control mechanism of the rotary tiller through the swing arm and transmission mechanism to achieve the straight-line movement of the rotary tiller, which can reduce the energy consumption of the rotary tiller driver in adjusting the straight-line movement.

[0025] 2. The disassembly and assembly of the rotary tiller's straight-moving control mechanism is more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0027] Figure 1 is a top view of Example 1;

[0028] Figure 2 This is the front view of Example 1;

[0029] Figure 3 is a top view of Example 2;

[0030] Figure 4It is a front view of Example 2;

[0031] Figure 5 for Figure 4 A schematic diagram of the structure after the first connecting plate, the second connecting plate and the transmission mechanism are removed;

[0032] 1. Motor, 2. Transmission box, 21. Housing, 22. Transmission shaft, 3. Swing arm, 31. Waist hole, 4. Controller, 5. Mounting seat, 51. Base plate, 52. First limit plate, 53. Second limit plate, 54. Fixed block, 55. Screw, 56. Handle, 61. First connecting plate, 62. Second connecting plate, 63. Flexible connecting line, 64. Flexible sleeve, 65. "U"-shaped connector, 66. Bolt. DETAILED DESCRIPTION

[0033] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are described in detail below in conjunction with the drawings of the specification. In the following description, many specific details are set forth to facilitate a full understanding of the utility model, but the utility model can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without violating the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below.

[0034] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0035] Example 1

[0036] like Figure 1-2 As shown, a straight-moving control mechanism for a rotary tiller includes a direction sensor, a motor 1, a swing arm 3, a controller 4 and a transmission mechanism. The direction sensor is installed on the body of the rotary tiller and is used to detect the direction of travel of the rotary tiller. The direction sensor is electrically connected to the controller 4, and the controller 4 is electrically connected to the motor 1, and the controller 4 is used to control the rotation of the motor 1. The motor 1 is transmission-connected to the swing arm 3, and the motor 1 is used to control the swing arm 3 to rotate or remain stationary. The swing arm 3 is connected to the transmission mechanism, and the transmission mechanism is connected to the direction control mechanism of the rotary tiller, and is used to control the direction control mechanism on the rotary tiller to turn the rotary tiller.

[0037] The rotary tiller straight control mechanism is fixed to the rotary tiller through the first connecting plate 61, and the second connecting plate 62 is installed on the first connecting plate 61. In this embodiment, the first connecting plate 61 and the second connecting plate 62 are an integrally formed "L"-shaped plate, and the angle between the first connecting plate 61 and the second connecting plate 62 can be adjusted according to actual conditions. The transmission box 2 is installed on the second connecting plate 62 on the side opposite to the position of the first connecting plate 61.

[0038] The transmission box 2 includes a housing 21, a transmission gear set and a transmission shaft 22. One side of the housing 21 is fixedly connected to the second connecting plate 62, and the other side is fixedly connected to the controller 3. The transmission gear set is located in the housing 21 and is rotatably connected to the housing 21. The transmission gear set is connected to the rotating shaft of the motor 1 and the transmission shaft 22 respectively. The motor 1 is fixed to the rotary tiller. The transmission shaft 22 is fixedly connected to the swing arm 3. The swing arm 3 and the first connecting plate 61 are located on the same side of the second connecting plate 62. The swing arm 3 is connected to the transmission mechanism.

[0039] The transmission mechanism includes a transmission flexible connecting line 63 and a flexible sleeve 64. One end of the flexible connecting line 63 passes through the first connecting plate 61 and is fixedly connected to the swing arm 3, and the other end is fixedly connected to the direction control mechanism of the rotary tiller. The flexible sleeve 64 is sleeved outside the flexible connecting line 63, one end of the flexible sleeve 64 is fixedly connected to the first connecting plate 61, and the other end is fixedly connected to the rotary tiller near the direction control mechanism.

[0040] Working principle: When the direction sensor detects that the direction of travel of the rotary tiller is offset, it sends an offset signal to the controller. The controller 4 receives the offset signal and sends a control signal to the motor 1 after calculation. The motor 1 rotates under the control of the control signal and is transmitted to the swing arm 3 through the transmission box. The swing arm 3 deflects, thereby driving the flexible connecting line 63, which is then transmitted to the direction control mechanism of the rotary tiller to control the direction control mechanism of the rotary tiller to correct the direction offset.

[0041] Example 2

[0042] like Figure 3-5 As shown: a straight-moving control mechanism for a rotary tiller, comprising a direction sensor, a motor 1, a swing arm 3, a controller 4 and a transmission mechanism. The direction sensor is installed on the body of the rotary tiller, and is used to detect the direction of travel of the rotary tiller. The direction sensor is electrically connected to the controller 4, and the controller 4 is electrically connected to the motor 1, and the controller 4 is used to control the rotation of the motor 1. The motor 1 is transmission-connected to the swing arm 3, and the motor 1 is used to control the swing arm 3 to rotate or remain stationary. The swing arm 3 is connected to the transmission mechanism, and the transmission mechanism is connected to the direction control mechanism of the rotary tiller, and is used to control the direction control mechanism on the rotary tiller to turn the rotary tiller.

[0043] It further includes a mounting base 5, and the mounting base 5 includes a bottom plate 51, a first limiting plate 52, a second limiting plate 53, a fixing block 54 and a screw rod 55. The bottom plate 51 is fixed to the rotary tiller by bolts, and the motor 1 is fixed to the bottom plate 51 by bolts or rivets. The first limiting plate 52 is fixedly connected to the bottom plate 51. In this embodiment, the first limiting plate 52 and the bottom plate 51 are integrally formed. The second limiting plate 53 is slidably connected to the bottom plate 51, and the fixing block 54 is fixedly connected to the bottom plate 51. In this embodiment, the fixing block 54 and the bottom plate 51 are integrally formed. The screw rod 55 is threadedly connected to the fixing block 54, and the screw rod 55 passes through the fixing block 54 and contacts the second limiting plate 53. The first limiting plate 52 and the second limiting plate 53 cooperate to clamp the transmission case 2 on the mounting base 5. A handle 56 is mounted on the screw rod 55, and the handle 56 is hingedly connected to the screw rod (55).

[0044] The transmission case 2 includes a housing 21, a transmission gear set and a transmission shaft 22. One side of the housing 21 is fixedly connected to the second connecting plate 62, and the other side is fixedly connected to the controller 3. The transmission gear set is located inside the housing 21 and is rotatably connected to the housing 21. The transmission gear set is respectively connected to the rotating shaft of the motor 1 and the transmission shaft 22. The motor 1 is fixed to the rotary tiller. The transmission shaft 22 is fixedly connected to the swing arm 3. The swing arm 3 and the first connecting plate 61 are on the same side of the second connecting plate 62. The swing arm 3 is connected to the transmission mechanism.

[0045] The transmission mechanism includes a transmission flexible connecting line 63 and a flexible sleeve 64. One end of the flexible connecting line 63 passes through the first connecting plate 61 and is fixedly connected to the swing arm 3, and the other end is fixedly connected to the direction control mechanism of the rotary tiller. The flexible sleeve 64 is sleeved outside the flexible connecting line 63. One end of the flexible sleeve 64 is fixedly connected to the first connecting plate 61, and the other end is fixedly connected to the rotary tiller near the direction control mechanism.

[0046] An oval hole 31 is provided at the connection between the swing arm 3 and the flexible connecting line 63. A "U" - shaped connecting piece 65 is mounted on the flexible connecting line 63, and the "U" - shaped connecting piece 65 is fixed to the swing arm 3 by bolts 66.

[0047] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention, and they should all be covered within the scope of the claims of the present invention.

Claims

1. A rotary tiller straight travel control mechanism, characterized in that: The invention comprises a direction sensor, a motor (1), a swing arm (3), a controller (4) and a transmission mechanism; the direction sensor is mounted on the body of a rotary tiller and is used to detect the direction of travel of the rotary tiller; the direction sensor is electrically connected to the controller (4), the controller (4) is electrically connected to the motor (1), and the controller (4) is used to control the rotation of the motor (1); the motor (1) is transmission-connected to the swing arm (3), the motor (1) is used to control the rotation or stationary state of the swing arm (3), the swing arm (3) is connected to the transmission mechanism, and the transmission mechanism is connected to the direction control mechanism of the rotary tiller.

2. According to claim 1, a rotary tiller straight travel control mechanism is characterized in that: The invention comprises a first connecting plate (61) and a second connecting plate (62), wherein the first connecting plate (61) is mounted on the rotary tiller, the second connecting plate (62) is fixedly connected to the first connecting plate (61), the first connecting plate (61) is located on one side of the second connecting plate (62), the other side of the second connecting plate (62) is fixedly connected to one side of a transmission box (2), and the other side of the transmission box (2) is fixedly connected to a controller 4; One end of the transmission box (2) is connected to the rotating shaft of the motor (1), and the other end is connected to the swing arm (3) via a transmission shaft (22); the motor (1) is installed on the rotary tiller; The transmission mechanism comprises a flexible connecting line (63) and a flexible sleeve (64); one end of the flexible connecting line (63) passes through a first connecting plate (61) and is fixedly connected to the swing arm (3), and the other end is fixedly connected to a direction control mechanism of the rotary tiller; the flexible sleeve (64) is sleeved outside the flexible connecting line (63); one end of the flexible sleeve (64) is fixedly connected to the first connecting plate (61), and the other end is fixedly connected to the rotary tiller near the direction control mechanism.

3. The straight-moving control mechanism of a rotary tiller according to claim 1, characterized in that: The invention comprises a mounting seat (5), wherein the mounting seat (5) is detachably mounted on a rotary tiller, a transmission box (2) and a motor (1) are respectively mounted on the mounting seat (5), a rotating shaft of the motor (1) is rotatably connected to one end of the transmission box (2), the other end of the transmission box (2) is connected to a swing arm (3) via a transmission shaft (22), the swing arm (3) is connected to a transmission mechanism, and the transmission box (2) is fixedly connected to a controller (4).

4. A rotary tiller straight travel control mechanism according to claim 3, characterized in that: A second connecting plate (62) is mounted on the transmission box (2), the second connecting plate (62) is located between the transmission box (2) and the swing arm (3), a first connecting plate (61) is mounted on the second connecting plate (62), the first connecting plate (61) is located below the swing arm (3); The transmission mechanism comprises a flexible connecting line (63) and a flexible sleeve (64); one end of the flexible connecting line (63) passes through a first connecting plate (61) and is fixedly connected to the swing arm (3), and the other end is fixedly connected to a direction control mechanism of the rotary tiller; the flexible sleeve (64) is sleeved outside the flexible connecting line (63); one end of the flexible sleeve (64) is fixedly connected to the first connecting plate (61), and the other end is fixedly connected to the rotary tiller near the direction control mechanism.

5. The straight-movement control mechanism of a rotary tiller according to claim 3, characterized in that: The mounting seat (5) comprises a base plate (51), a first limiting plate (52), a second limiting plate (53), a fixing block (54) and a screw rod (55); the base plate (51) is mounted on the rotary tiller; the first limiting plate (52) is fixedly connected to the base plate (51); the second limiting plate (53) is slidably connected to the base plate (51); the fixing block (54) is fixedly connected to the base plate (51); the screw rod (55) is threadedly connected to the fixing block (54); the screw rod (55) passes through the fixing block (54) and contacts the second limiting plate (53); the first limiting plate (52) and the second limiting plate (53) cooperate to clamp the transmission box (2) on the mounting seat (5).

6. A rotary tiller straight travel control mechanism according to claim 5, characterized in that: A handle (56) is mounted on the screw rod (55), and the handle (56) is hingedly connected to the screw rod (55).

7. A rotary tiller straight travel control mechanism according to any one of claims 2 to 6, characterized in that: The transmission box (2) comprises a housing (21), a transmission gear set and a transmission shaft (22); the housing (21) is fixedly connected to the second connecting plate (62); the transmission gear set is located inside the housing (21) and is rotationally connected to the housing (21); the transmission gear set is respectively connected to the rotating shaft of the motor (1) and the transmission shaft (22); and the transmission shaft (22) is fixedly connected to the swing arm (3).

8. A rotary tiller straight travel control mechanism according to claim 2 or 4, characterized in that: A waisted hole (31) is provided at the connection point between the swing arm (3) and the flexible connecting line (63); a U-shaped connecting piece (65) is installed on the flexible connecting line (63); and the U-shaped connecting piece (65) is fixed to the swing arm (3) by means of a bolt (66).

Images