Automatic steering mechanism of unmanned agricultural machine

Abstract

The utility model discloses an automatic steering mechanism of an unmanned agricultural machine, which relates to the technical field of unmanned agricultural machines and comprises a first fixing plate, the first fixing plate further comprises a steering mechanism, and two limiting rods are fixedly connected to the side wall of the first fixing plate; the driving motor drives the bidirectional threaded rod to rotate, the bidirectional threaded rod rotates to drive the first moving block and the second moving block to get away from each other or get close to each other, and after the first moving block and the second moving block get away from each other, the first moving block pushes the steering sleeve through the first strip-shaped plate, so that the angle of the steering sleeve is changed; meanwhile, a second moving block pulls a steering sleeve on the right side to move through a second strip-shaped plate and a first strip-shaped plate, so that left steering work on a right moving wheel is completed, and left steering and right steering of the agricultural machine can be easily achieved through the two-way movement mode; the requirement for flexible steering of the agricultural machine in different operation scenes is met, and the maneuverability and adaptability of the agricultural machine are greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to unmanned agricultural machinery technical field, especially unmanned agricultural machinery automatic steering mechanism. BACKGROUND

[0002] Unmanned agricultural machinery has been widely applied at home and abroad, greatly improves the operation efficiency, reduces the labor intensity, provides the possibility for future agricultural unmanned production, and unmanned agricultural machinery combines computer, machine vision, mechatronics technology, can be used in the seeding, fertilization, pesticide application and harvesting of agricultural products and other stages.

[0003] In the farmland operation scene, it needs to operate according to a certain route and area, if the steering is not flexible, the agricultural machinery may not turn in time at the end of the field ridge or the boundary of the land, resulting in missing the operation area, needing to go back and forth repeatedly to supplement the operation, wasting time and energy, and reducing the overall operation efficiency. UTILITARIAN CONTENT

[0004] The utility model aims at providing unmanned agricultural machinery automatic steering mechanism to solve at least any one of the problems in the above background technology.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: an unmanned agricultural machinery automatic steering mechanism, including fixed plate one, the fixed plate one still includes steering mechanism, the side wall of fixed plate one is fixedly connected with two limit rods, the end away from fixed plate one of two limit rods is fixedly connected with fixed plate two, the side away from limit rod of fixed plate one is fixedly connected with drive motor.

[0006] Preferably, the side close to each other of fixed plate one and fixed plate two is rotatably connected with a bidirectional threaded rod, the bidirectional threaded rod penetrates fixed plate one and is fixedly connected with the output shaft of drive motor.

[0007] Preferably, the outer wall of bidirectional threaded rod is screw connected with moving block one, the outer wall of bidirectional threaded rod is screw connected with moving block two, and moving block one and moving block two all penetrate two limit rods and are all slidably connected with two limit rods.

[0008] Preferably, the side wall of fixed plate two is fixedly connected with two supporting plates, the top of two supporting plates is fixedly connected with two rotating shafts respectively, the outer wall of two rotating shafts is rotatably connected with two steering sleeves respectively, and the outer wall of two steering sleeves is rotatably connected with two moving wheels respectively.

[0009] Preferably, the outer wall of two steering sleeves is fixedly connected with L-shaped plate respectively, the top of the L-shaped plate on the left side is rotatably connected with strip-shaped plate one, the bottom of strip-shaped plate one is rotatably connected with connecting rod one, and the bottom end of connecting rod one is fixedly connected with moving block one.

[0010] Preferably, the top of the L-shaped plate on the right side is rotationally connected with a strip-shaped plate two, the bottom of the strip-shaped plate two is rotationally connected with a connecting rod two, and the end, away from the strip-shaped plate two, of the connecting rod two is fixedly connected with the moving block two.

[0011] Preferably, the top of the fixed plate two is fixedly connected with a cylinder, the outer wall of the cylinder is fixedly connected with a spray pipe, and the top of the cylinder is provided with an air inlet.

[0012] Preferably, the inner wall of the cylinder is slidably connected with a push plate, the side wall of the push plate is fixedly connected with a push rod, the end, away from the push plate, of the push rod is fixedly connected with a rectangular plate, and the bottom of the rectangular plate is fixedly connected with the moving block one.

[0013] The beneficial effects of the utility model are as follows:

[0014] In the utility model:

[0015] 1. when needing to steer the agricultural machine, starting the driving motor, the driving motor drives the bidirectional screw rod to rotate, the bidirectional screw rod drives the moving block one and the moving block two to move away from or close to each other after rotating, when the moving block one and the moving block two move away from each other, the moving block one pushes the steering sleeve through the strip-shaped plate one, the angle of the steering sleeve changes, thereby completing the left steering work of the left moving wheel, simultaneously, the moving block two pulls the steering sleeve on the right side through the strip-shaped plate two and the strip-shaped plate one, thereby completing the left steering work of the right moving wheel, when the moving block one and the moving block two move close to each other, the right steering work of the two moving wheels is completed, by the characteristics of the bidirectional screw rod, when the driving motor drives it to rotate, the moving block one and the moving block two can move away from or close to each other according to the requirement, this bidirectional movement mode makes the agricultural machine easily realize left steering and right steering, meets the flexible steering requirement of the agricultural machine under different operation scenes, and greatly improves the mobility and adaptability of the agricultural machine.

[0016] 2. when the moving block one and the moving block two move away from each other, the moving block one drives the rectangular plate and the push rod to push the push plate, the push plate pushes the gas in the cylinder into the spray pipe, the gas in the spray pipe is quickly pushed and blown to the rotating shaft and the steering sleeve, in this way, the dust adsorbed on the rotating shaft and the steering sleeve can be cleaned, the cleaned rotating shaft and steering sleeve can more accurately transmit the steering force, the accuracy and stability of the steering operation are ensured, in the operation process of the agricultural machine, the reliable steering system is very important for guaranteeing the operation quality and safety, reduces the steering deviation or lag caused by dust, and helps to improve the reliability and safety of the agricultural machine work. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The structure diagram of a preferred embodiment of the unmanned agricultural machine automatic steering mechanism is provided in the utility model.

[0018] Figure 2Structure schematic view of steering mechanism;

[0019] Figure 3 Structure schematic view of side of steering mechanism;

[0020] Figure 4 Structure schematic view of Figure 3 Structure schematic view of enlarged structure of A in the middle;

[0021] Figure 5 Structure schematic view of partial section of steering mechanism.

[0022] In the figure: 1, steering mechanism; 101, fixed plate one; 102, limiting rod; 103, fixed plate two; 104, driving motor; 105, two-way threaded rod; 106, moving block one; 107, moving block two; 108, support plate; 109, rotating shaft; 110, steering sleeve; 111, moving wheel; 112, L-shaped plate; 113, strip-shaped plate one; 114, connecting rod one; 115, strip-shaped plate two; 116, connecting rod two; 117, cylinder; 118, nozzle; 119, air inlet; 120, push plate; 121, push rod; 122, rectangular plate. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0024] The present application provides Figures 1-5The automatic steering mechanism of unmanned agricultural machinery shown comprises a fixed plate one 101, the fixed plate one 101 further comprising a steering mechanism 1, two limiting rods 102 are fixedly connected to the side wall of the fixed plate one 101, a fixed plate two 103 is fixedly connected to the ends of the two limiting rods 102 away from the fixed plate one 101, a driving motor 104 is fixedly connected to the side of the fixed plate one 101 away from the limiting rods 102, a bidirectional threaded rod 105 is rotatably connected to the sides of the fixed plate one 101 and the fixed plate two 103 away from each other, the bidirectional threaded rod 105 penetrates through the fixed plate one 101 and is fixedly connected with the output shaft of the driving motor 104, a moving block one 106 is threadedly connected to the outer wall of the bidirectional threaded rod 105, a moving block two 107 is threadedly connected to the outer wall of the bidirectional threaded rod 105, the moving block one 106 and the moving block two 107 both penetrate through the two limiting rods 102 and are slidably connected with the two limiting rods 102, two support plates 108 are fixedly connected to the side wall of the fixed plate two 103, the tops of the two support plates 108 are respectively fixedly connected with two rotating shafts 109, two steering sleeves 110 are rotatably connected to the outer walls of the two rotating shafts 109, two moving wheels 111 are rotatably connected to the outer walls of the two steering sleeves 110, two L-shaped plates 112 are fixedly connected to the outer walls of the two steering sleeves 110, a strip-shaped plate one 113 is rotatably connected to the top of the L-shaped plate 112 on the left side, a connecting rod one 114 is rotatably connected to the bottom of the strip-shaped plate one 113, the bottom end of the connecting rod one 114 is fixedly connected with the moving block one 106, a strip-shaped plate two 115 is rotatably connected to the top of the L-shaped plate 112 on the right side, a connecting rod two 116 is rotatably connected to the bottom of the strip-shaped plate two 115, the end of the connecting rod two 116 away from the strip-shaped plate two 115 is fixedly connected with the moving block two 107.

[0025] When it is necessary to steer the agricultural machinery, the driving motor 104 is started, the driving motor 104 drives the bidirectional threaded rod 105 to rotate, the bidirectional threaded rod 105 drives the moving block one 106 and the moving block two 107 to move away from or close to each other after rotating, when the moving block one 106 and the moving block two 107 move away from each other, the moving block one 106 pushes the steering sleeve 110 through the strip-shaped plate one 113, so that the angle of the steering sleeve 110 changes, thereby completing the left steering work of the left moving wheel 111, at the same time, the moving block two 107 pulls the right steering sleeve 110 to move through the strip-shaped plate two 115 and the strip-shaped plate one 113, thereby completing the left steering work of the right moving wheel 111, when the moving block one 106 and the moving block two 107 move close to each other, the right steering work of the two moving wheels 111 is completed, by virtue of the characteristics of the bidirectional threaded rod 105, when the driving motor 104 drives it to rotate, the moving block one 106 and the moving block two 107 can move away from or close to each other as required, this bidirectional movement mode enables the agricultural machinery to easily realize left steering and right steering, meets the flexible steering requirements of the agricultural machinery under different working scenes, and greatly improves the maneuverability and adaptability of the agricultural machinery.

[0026] The top of the fixed plate two 103 is fixedly connected with a cylinder 117, the outer wall of the cylinder 117 is fixedly connected with a spray pipe 118, the top of the cylinder 117 is provided with an air inlet 119, the inner wall of the cylinder 117 is slidably connected with a push plate 120, the side wall of the push plate 120 is fixedly connected with a push rod 121, the end, away from the push plate 120, of the push rod 121 is fixedly connected with a rectangular plate 122, and the bottom of the rectangular plate 122 is fixedly connected with the moving block one 106.

[0027] When the moving block one 106 and the moving block two 107 are away from each other, the moving block one 106 drives the rectangular plate 122 and the push rod 121 to push the push plate 120, so that the push plate 120 pushes the gas in the cylinder 117 into the spray pipe 118 through the air inlet 119, and the gas in the spray pipe 118 is blown to the rotating shaft 109 and the steering sleeve 110 by rapid pushing, so that the dust adsorbed on the rotating shaft 109 and the steering sleeve 110 can be cleaned.

[0028] The working principle of the unmanned agricultural machine automatic steering mechanism is as follows: when it is necessary to steer the agricultural machine, the driving motor 104 is started, the driving motor 104 drives the bidirectional threaded rod 105 to rotate, the bidirectional threaded rod 105 drives the moving block one 106 and the moving block two 107 to move away from or close to each other after rotating, the moving block one 106 drives the steering sleeve 110 to move through the strip-shaped plate one 113 after the moving block one 106 and the moving block two 107 move away from each other, the angle of the steering sleeve 110 changes, so that the left steering work of the left moving wheel 111 is completed, at the same time, the moving block two 107 drives the right steering sleeve 110 to move through the strip-shaped plate two 115 and the strip-shaped plate one 113, so that the left steering work of the right moving wheel 111 is completed, and the right steering work of the two moving wheels 111 is completed after the moving block one 106 and the moving block two 107 move close to each other.

[0029] When the moving block one 106 and the moving block two 107 are away from each other, the moving block one 106 drives the rectangular plate 122 and the push rod 121 to push the push plate 120, so that the push plate 120 pushes the gas in the cylinder 117 into the spray pipe 118 through the air inlet 119, and the gas in the spray pipe 118 is blown to the rotating shaft 109 and the steering sleeve 110 by rapid pushing, so that the dust adsorbed on the rotating shaft 109 and the steering sleeve 110 can be cleaned.

[0030] Compared with the related art, the unmanned agricultural machine automatic steering mechanism has the following beneficial effects:

[0031] The utility model provides a kind of unmanned agricultural machine automatic steering mechanism, when needing to steer agricultural machine, start drive motor 104, drive motor 104 drives bidirectional threaded rod 105 to rotate, bidirectional threaded rod 105 rotates and drives moving block one 106 and moving block two 107 to be far away from each other or close to each other, when moving block one 106 and moving block two 107 are far away from each other, moving block one 106 is pushed to steering sleeve 110 by bar plate one 113, the angle of steering sleeve 110 changes, to complete the left steering work of left moving wheel 111, simultaneously, moving block two 107 is pulled to the right steering sleeve 110 movement by bar plate two 115 and bar plate one 113, to complete the left steering work of right moving wheel 111, when moving block one 106 and moving block two 107 are close to each other, then complete the right steering work of two moving wheels 111, using the characteristics of bidirectional threaded rod 105, drive motor 104 drives its rotation, can make moving block one 106 and moving block two 107 be far away from each other or close to each other as required, this kind of bidirectional movement mode makes that agricultural machine can easily realize left steering and right steering, meet the flexible steering demand of agricultural machine under different operation scene, greatly improve the mobility and adaptability of agricultural machine;

[0032] When moving block one 106 and moving block two 107 are far away from each other, moving block one 106 drives rectangular plate 122 and push rod 121 to push push plate 120, so that push plate 120 pushes the gas in cylinder 117 into injection tube 118, the gas in injection tube 118 is blown to rotating shaft 109 and steering sleeve 110 by fast pushing, so that the dust adsorbed on rotating shaft 109 and steering sleeve 110 can be cleaned, and the cleaned rotating shaft 109 and steering sleeve 110 can more accurately transmit steering force, to ensure the accuracy and stability of steering operation, in the process of agricultural machine operation, reliable steering system is crucial to ensure operation quality and safety, reduces the steering deviation or jam caused by dust, and helps to improve the reliability and safety of agricultural machine operation.

[0033] Finally, it should be noted that: the above only for preferred embodiment of the utility model has been described, and is not used to limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. An automatic steering mechanism for unmanned farm machinery comprising a fixed plate one (101), said fixed plate one (101) further comprising a steering mechanism (1), characterized in that: The side wall of the fixed plate one (101) is fixedly connected with two limiting rods (102), and the ends, away from the fixed plate one (101), of the two limiting rods (102) are fixedly connected with a fixed plate two (103).

2. The automatic steering mechanism of claim 1, wherein: The side, away from the limiting rods (102), of the fixed plate one (101) is rotatably connected with a bidirectional threaded rod (105), the bidirectional threaded rod (105) penetrates through the fixed plate one (101) and is fixedly connected with the output shaft of the driving motor (104).

3. The automatic steering mechanism of claim 2, wherein: The outer wall of the bidirectional threaded rod (105) is threadedly connected with a moving block one (106), and the outer wall of the bidirectional threaded rod (105) is threadedly connected with a moving block two (107), and the moving block one (106) and the moving block two (107) penetrate through and are slidably connected with the two limiting rods (102).

4. The automatic steering mechanism for unmanned farm machines according to claim 1, characterized in that: The side wall of the fixed plate two (103) is fixedly connected with two supporting plates (108), the tops of the two supporting plates (108) are respectively fixedly connected with rotating shafts (109), the outer walls of the two rotating shafts (109) are respectively rotatably connected with steering sleeves (110), and the outer walls of the two steering sleeves (110) are respectively rotatably connected with moving wheels (111).

5. The automatic steering mechanism of claim 4, wherein: The outer walls of the two steering sleeves (110) are respectively fixedly connected with L-shaped plates (112), the top of the L-shaped plate (112) on the left side is rotatably connected with a strip-shaped plate one (113), the bottom of the strip-shaped plate one (113) is rotatably connected with a connecting rod one (114), and the bottom end of the connecting rod one (114) is fixedly connected with the moving block one (106).

6. The automatic steering mechanism of claim 5, wherein: The top of the L-shaped plate (112) on the right side is rotatably connected with a strip-shaped plate two (115), the bottom of the strip-shaped plate two (115) is rotatably connected with a connecting rod two (116), and the end, away from the strip-shaped plate two (115), of the connecting rod two (116) is fixedly connected with the moving block two (107).

7. The automatic steering mechanism for unmanned farm machines according to claim 1, characterized in that: The top of the fixed plate two (103) is fixedly connected with a cylinder (117), the outer wall of the cylinder (117) is fixedly connected with a spray pipe (118), and the top of the cylinder (117) is provided with an air inlet (119).

8. The automatic steering mechanism of claim 7, wherein: The inner wall of the cylinder (117) is slidably connected with a push plate (120), the side wall of the push plate (120) is fixedly connected with a push rod (121), the end, away from the push plate (120), of the push rod (121) is fixedly connected with a rectangular plate (122), and the bottom of the rectangular plate (122) is fixedly connected with the moving block one (106).

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