CN212905983U

CN212905983U - Safety device for automatically driving agricultural machine

Info

Publication number: CN212905983U
Application number: CN202022033353.5U
Authority: CN
Inventors: 汪恭泽; 徐兵
Original assignee: Anhui Chaopao Intelligent Technology Co ltd
Current assignee: Anhui Chaopao Intelligent Technology Co ltd
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2021-04-06
Anticipated expiration: 2030-09-15

Abstract

The utility model discloses an automatic drive safety device of agricultural machinery, the reciprocating impact tunnel drilling machine comprises a machine body, four corners of lower surface of fuselage all are provided with the lug, each the lower surface of lug all is provided with the wheel, wherein two the equal fixed mounting of lower extreme front surface of lug has distance sensor, the below front surface fixed of fuselage is provided with prevents the mechanism of turning on one's side, the both sides surface of fuselage all is provided with buffer gear. The utility model relates to an automatic driving agricultural machinery technical field, this automatic driving agricultural machinery's safety device, through setting up the mechanism of preventing turning on one's side, when there is great clod in the dead ahead of wheel, distance sensor can detect the clod, then give the PLC controller with information transfer, the PLC controller can make the pneumatic cylinder work, can make two push rods with the clod in the dead ahead of wheel for pushing away both sides and go, make the smooth process of wheel, can prevent this automatic driving agricultural machinery like this and take place the phenomenon of turning on one's side, and then improved the security performance.

Description

Safety device for automatically driving agricultural machine

Technical Field

The utility model relates to an automatic drive agricultural machinery technical field specifically is an automatic drive agricultural machinery's safety device.

Background

The agricultural is the growth and development law that utilizes animals and plants, obtains the industry of product through artificial cultivation, and the agricultural belongs to first industry, provides the basic industry that supports national economic construction and development, along with the continuous rapid development of agricultural, has appeared the agricultural machinery of autopilot gradually in the agricultural, and it is controlled through the thing networking, does not need the manual work to drive, so not only can improve work efficiency, but also can reduce artificial intensity of labour.

However, in the process of driving in a farmland by the existing automatic driving agricultural machine, if wheels pass through a large soil block, the automatic driving agricultural machine is easy to turn over, if a person is nearby, the automatic driving agricultural machine is easy to press the wheels, has certain danger, and does not improve the defect correspondingly.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides an automatic driving agricultural machinery's safety device has solved the in-process that present automatic driving agricultural machinery went in the farmland, if the wheel when great clod, the phenomenon of turning on one's side takes place easily for automatic driving agricultural machinery, if someone is on the next door, gives the problem of pressing easily with personnel.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an automatic safety device of driving agricultural machinery, includes the fuselage, four corners of the lower surface of fuselage all are provided with the lug, each the lower surface of lug all is provided with the wheel, wherein two the equal fixed mounting of lower extreme front surface of lug has distance sensor, the below front surface of fuselage is fixed and is provided with the mechanism of preventing turning on one's side, and the front surface of fuselage is located the top position department fixed mounting who prevents the mechanism of turning on one's side and has the PLC controller, the both sides surface of fuselage all is provided with buffer gear.

Prevent mechanism of turning on one's side is including the base plate, the perpendicular symmetry rotation of front side lower surface of base plate is connected with two pivots, two the equal horizontally connected of lower extreme of pivot has the push rod, and the upper end surface of two pivots all cup joints and is provided with the toothed disc, two the level is provided with the ejector pad strip between the toothed disc, the both sides of ejector pad strip all are provided with the rack, two the rack respectively with two toothed discs between for the meshing, the one end surface setting of ejector pad strip is connected with the pneumatic cylinder, two the one end front surface of push rod all imbeds and rotates and install the gyro wheel.

Preferably, the two push rods are positioned between wheels on two sides of the body, and the heights of the two push rods are the same as the height of the distance sensor.

Preferably, the outer surface of the hydraulic cylinder is sleeved with a limiting block, and the upper end of the limiting block is fixedly connected with the lower surface of the substrate through a bolt.

Preferably, the output end of the distance sensor is electrically connected with the input end of the PLC through a wire, the output end of the PLC is electrically connected with the input end of the hydraulic cylinder through a wire, and when the distance from the obstacle measured by the distance sensor is smaller than the distance from the roller to the distance sensor, the distance sensor transmits signals to the PLC.

Preferably, buffer gear is including the extension board, a plurality of recess has been seted up to a side equidistance of extension board, the inside perpendicular connection of recess has the slide-shaft, the surface symmetry of slide-shaft cup joints slidable mounting has two sliders, two fixedly connected with elasticity arc steel sheet between the slider.

Preferably, the outer surfaces of the two ends of the sliding shaft are sleeved with springs in a sliding mode, and the upper end and the lower end of each spring are fixedly connected with the upper surface of the sliding block and the upper surface of the inner portion of the groove respectively.

Advantageous effects

The utility model provides an automatic drive safety device of agricultural machinery, compare with prior art and possess following beneficial effect:

(1) this automatic safety device of driving agricultural machinery through setting up the mechanism of preventing turning on one's side, when there is great clod directly in the place ahead of wheel, distance sensor can detect the clod, then give the PLC controller with information transfer, the PLC controller can make the pneumatic cylinder work, can make two push rods with the clod directly in the place ahead of wheel for pushing away both sides and go, make the smooth process of wheel, can prevent this automatic driving agricultural machinery like this and take place the phenomenon of turning on one's side, and then improved the security performance.

(2) This automatic drive safety device of agricultural machinery through setting up buffer gear, when taking place emergency and make this agricultural machinery turn on one's side, under the elasticity of spring and elasticity arc steel sheet, the agricultural machinery back of turning on one's side can play fine buffering guard action to the agricultural machinery, prevents that the agricultural machinery from being broken, and the device structural design is reasonable, has improved the practicality of this agricultural machinery.

Drawings

FIG. 1 is a perspective view of the structure of the present invention;

FIG. 2 is a schematic view of the anti-rollover mechanism according to the present invention;

fig. 3 is a schematic structural view of the buffering mechanism of the present invention;

fig. 4 is a schematic diagram of the frame of the circuit connection of the present invention.

In the figure: 1. a body; 2. a bump; 3. a wheel; 4. a distance sensor; 5. an anti-rollover mechanism; 51. a substrate; 52. a rotating shaft; 53. a push rod; 54. a gear plate; 55. pushing the block strip; 56. a rack; 57. a hydraulic cylinder; 571. a limiting block; 58. a roller; 6. a PLC controller; 7. a buffer mechanism; 71. a support plate; 72. a groove; 73. a slide shaft; 731. a spring; 74. a slider; 75. elastic arc steel plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: a safety device of an automatic driving agricultural machine comprises a machine body 1, wherein four corners of the lower surface of the machine body 1 are respectively provided with a convex block 2, the lower surface of each convex block 2 is provided with a wheel 3, the front surfaces of the lower ends of the two convex blocks 2 are respectively and fixedly provided with a distance sensor 4, the front surface below the machine body 1 is fixedly provided with an anti-rollover mechanism 5, the front surface of the machine body 1 is fixedly provided with a PLC (programmable logic controller) 6 at the position above the anti-rollover mechanism 5, the surfaces of the two sides of the machine body 1 are respectively provided with a buffer mechanism 7, the output end of the distance sensor 4 is electrically connected with the input end of the PLC 6 through a lead, the output end of the PLC 6 is electrically connected with the input end of a hydraulic cylinder 57 through a lead, when the distance sensor 4 detects that the distance between an obstacle is less than the distance between a roller 58, the model of the distance sensor 4 is RMD9ISW508, the model of the PLC controller 6 is KG316T220XK, and the model of the hydraulic cylinder 57 is SC 50.

Referring to fig. 2 and 4, the anti-rollover mechanism 5 includes a base plate 51, two rotating shafts 52 are vertically and symmetrically connected to the lower surface of the front side of the base plate 51 in a rotating manner, push rods 53 are horizontally connected to the lower ends of the two rotating shafts 52, gear discs 54 are sleeved on the outer surfaces of the upper ends of the two rotating shafts 52, a push block bar 55 is horizontally arranged between the two gear discs 54, racks 56 are respectively arranged on the two sides of the push block bar 55, the two racks 56 are respectively engaged with the two gear discs 54, a hydraulic cylinder 57 is connected to the surface of one end of the push block bar 55, a roller 58 is rotatably embedded in the front surface of one end of each of the two push rods 53, the two push rods 53 are located between the wheels 3 on the two sides of the body 1, the height of the two push rods 53 is the same as that of the distance sensor 4, and a limit block 571 is sleeved on the outer, the upper end of the stopper 571 is fixedly connected to the lower surface of the base plate 51 by a bolt, so as to fix the hydraulic cylinder 57.

Referring to fig. 3, the buffering mechanism 7 includes a support plate 71, a plurality of grooves 72 are equidistantly formed in one side surface of the support plate 71, a sliding shaft 73 is vertically connected inside the grooves 72, two sliding blocks 74 are symmetrically sleeved and slidably mounted on the outer surface of the sliding shaft 73, an elastic arc-shaped steel plate 75 is fixedly connected between the two sliding blocks 74, springs 731 are slidably mounted on the outer surfaces of the two ends of the sliding shaft 73, the upper end and the lower end of each spring 731 are fixedly connected with the upper surfaces of the sliding blocks 74 and the inner upper surface of the groove 72, and when the agricultural machine rolls over, the agricultural machine is buffered.

And those not described in detail in this specification are well within the skill of those in the art.

Preventing rollover operation: when the machine body 1 runs in a farmland, if a large soil block exists right ahead the wheel 3, the distance sensor 4 detects the condition of the soil block, when the distance between the soil block and the distance sensor 4 is smaller than the distance between the roller 58 on the push rod 53 and the distance sensor 4, the distance sensor 4 transmits information to the PLC controller 6, the PLC controller 6 transmits the information to the hydraulic cylinder 57, so that the hydraulic cylinder 57 works, the hydraulic cylinder 57 drives the push block strip 55 to move forwards, because the racks 56 on the two sides of the push block strip 55 are respectively meshed with the two gear disks 54, the push block strip 55 drives the two gear disks 54 to rotate in opposite directions when moving, the push rods 53 on the two rotating shafts 52 are driven to rotate in opposite directions when the two gear disks 54 rotate, so that the push rods 53 push the soil block right ahead the wheel 3 to one side, so that the wheel 3 can pass through smoothly, when the clod is positioned right in front of the push rod 53, the lug 2 can be pushed to the middle or one side by the rotation of the roller 58, so that the clod does not obstruct the running of the wheel 3.

Buffering protection work: when the agricultural machinery is turned over in case of emergency, the elastic arc-shaped steel plate 75 is arc-shaped, so that the ground can extrude the elastic arc-shaped steel plate 75 under the elasticity of the spring 731 and the elastic arc-shaped steel plate 75, the sliders 74 at two ends of the elastic arc-shaped steel plate 75 can move towards two sides on the sliding shaft 73, the spring 731 and the elastic arc-shaped steel plate 75 can inhibit the movement of the sliders, the buffering effect is achieved, the protection effect is achieved on the machine body 1, and the machine body 1 is prevented from being broken.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatic safety device of driving agricultural machinery, includes fuselage (1), four corners of the lower surface of fuselage (1) all are provided with lug (2), each the lower surface of lug (2) all is provided with wheel (3), its characterized in that: the front surfaces of the lower ends of the two lugs (2) are fixedly provided with distance sensors (4), the front surface below the machine body (1) is fixedly provided with an anti-rollover mechanism (5), the front surface of the machine body (1) is fixedly provided with a PLC (programmable logic controller) controller (6) at the position above the anti-rollover mechanism (5), and the surfaces of the two sides of the machine body (1) are respectively provided with a buffer mechanism (7);

prevent side tumbling mechanism (5) including base plate (51), the perpendicular symmetry rotation of the front side lower surface of base plate (51) is connected with two pivot (52), two the equal horizontally connected of lower extreme of pivot (52) has push rod (53), and the upper end surface of two pivot (52) all cup joints and is provided with toothed disc (54), two the level is provided with ejector pad strip (55) between toothed disc (54), the both sides of ejector pad strip (55) all are provided with rack (56), two rack (56) respectively with two toothed disc (54) between for the joggle, the one end surface setting of ejector pad strip (55) is connected with pneumatic cylinder (57), two the one end front surface of push rod (53) all imbeds and rotates and installs gyro wheel (58).

2. The safety device of an autonomous agricultural machine of claim 1, wherein: the positions of the two push rods (53) are positioned between the wheels (3) on the two sides of the machine body (1), and the heights of the two push rods (53) are the same as the height of the distance sensor (4).

3. The safety device of an autonomous agricultural machine of claim 1, wherein: the outer surface of the hydraulic cylinder (57) is sleeved with a limiting block (571), and the upper end of the limiting block (571) is fixedly connected with the lower surface of the substrate (51) through a bolt.

4. The safety device of an autonomous agricultural machine of claim 1, wherein: the output of distance sensor (4) passes through the input electric connection of wire and PLC controller (6), the output of PLC controller (6) passes through the input electric connection of wire and pneumatic cylinder (57), when distance sensor (4) measured the distance of barrier and is less than gyro wheel (58) to the distance between distance sensor (4), distance sensor (4) are to PLC controller (6) transmission signal.

5. The safety device of an autonomous agricultural machine of claim 1, wherein: buffer gear (7) are including extension board (71), a plurality of recess (72) have been seted up to a side equidistance of extension board (71), the inside perpendicular connection of recess (72) has slide-bar (73), the surface symmetry of slide-bar (73) is cup jointed slidable mounting and is had two sliders (74), two fixed connection has elasticity arc steel sheet (75) between slider (74).

6. The safety device of an agricultural machine, according to claim 5, wherein: the outer surfaces of two ends of the sliding shaft (73) are sleeved with springs (731) in a sliding mode, and the upper end and the lower end of each spring (731) are fixedly connected with the upper surface of the sliding block (74) and the upper surface of the inner portion of the groove (72) respectively.