CN221178491U - Automatic adjusting device of corn stalk cutter based on ultrasonic technology - Google Patents

Automatic adjusting device of corn stalk cutter based on ultrasonic technology Download PDF

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Publication number
CN221178491U
CN221178491U CN202323057682.3U CN202323057682U CN221178491U CN 221178491 U CN221178491 U CN 221178491U CN 202323057682 U CN202323057682 U CN 202323057682U CN 221178491 U CN221178491 U CN 221178491U
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China
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fixed
ultrasonic
pipe
harvester body
adjusting device
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CN202323057682.3U
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Chinese (zh)
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张黎骅
肖如真
肖钰琛
朱纯然
柴博宏
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Sichuan Agricultural University
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Sichuan Agricultural University
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Abstract

The utility model relates to the technical field of agricultural mechanical equipment, in particular to an automatic adjusting device of a corn straw cutter based on an ultrasonic technology, which comprises a harvester body, wherein one end of the harvester body is connected with a cutting table through oil cylinder transmission, the cutting table comprises a divider and a cutter for cutting straw, the divider and the cutter are fixedly connected with each other, two symmetrically distributed supporting beams are fixed at one end of the harvester body, which is close to the cutting table, and a camera is fixedly arranged at the bottom of the supporting beam. According to the utility model, the ultrasonic control box is arranged at the front side of the header, and the ultrasonic control box measures the height of the ground by utilizing the existing ultrasonic technology, so that the height condition of corn plants is obtained, the header is conveniently driven to move to a proper height by the oil cylinder, and corn is harvested at a proper stubble height by the straw.

Description

Automatic adjusting device of corn stalk cutter based on ultrasonic technology
Technical Field
The utility model relates to the technical field of agricultural mechanical equipment, in particular to an automatic adjusting device of a corn straw cutter based on an ultrasonic technology.
Background
The header is mainly responsible for cutting and harvesting crops, corn plant groups with different heights need to reserve different stubble height, the harvesting height of the header has great influence on the stubble height of the corn plant groups, but in actual field harvesting, the reasons such as uneven terrain, large gradient and the like are mainly caused by the field topography of China, in order to realize better stubble effect, workers are required to adjust the height of the header at any time according to the height difference of corn on the ground, the header height is connected and generally is achieved by driving the swing arm to move up and down through the oil pump in the harvester, the adjustment mode is basically implemented by operating machinery at the position of the straw distance from the ground for manually producing straws, the control automation level is lower, inaccuracy of the adjustment height is easily caused, the situation that the field lodged crops are missed to be cut, the stubble height is not satisfied, the required harvesting process and the feeding quantity are too large, so that the auger is blocked and the like are caused, and the harvesting loss is caused;
Therefore, the automatic corn straw cutter adjusting device based on the ultrasonic technology is provided, the information of the specific height of corn plants is collected through the ultrasonic technology, the real-time accurate adjustment of the header according to the actual heights of different plant groups in the operation process of the harvester is realized, and the purposes of improving the harvesting rate and the operation quality of the harvester are achieved.
Disclosure of utility model
In order to overcome the technical problems, the utility model aims to provide an automatic corn straw cutter adjusting device based on an ultrasonic technology, wherein an ultrasonic control box is arranged at the front side of a cutting table, the ultrasonic control box measures the height of the ground by utilizing the existing ultrasonic technology, so that the height condition of corn plants is obtained, an oil cylinder is convenient for driving the cutting table to move to a proper height, the condition that corn is harvested at a proper stubble height is met, when a harvester turns with the cutting table, a plurality of telescopic pieces are rotated to a vertical state by rotating a shaft rod, the telescopic pieces are stored and shortened, the ultrasonic control box is not extended out any more, and the telescopic pieces in an extension state of the harvester body during turning are effectively prevented from pushing the corn.
The aim of the utility model can be achieved by the following technical scheme:
The utility model provides a maize straw cutterbar automatic regulating apparatus based on ultrasonic wave technique, includes the harvester body, the one end of harvester body is connected with the header through the hydro-cylinder transmission, the header includes mutual fixed connection's divider and the cutterbar that is used for cutting the straw, the one end that the harvester body is close to the header is fixed with two symmetrical distribution's supporting beam, the bottom installation of supporting beam is fixed with the camera, the inboard rotation of supporting beam is connected with the turning block, two be fixed with the axostylus axostyle between the turning block, the middle part of axostylus axostyle is fixed with the fixing base, the equal sliding connection in both ends in axostylus axostyle middle part has the movable seat, the outside of fixing base is fixed with two biax motors, two output of biax motor all are fixed with the lead screw that is used for driving the movable seat to remove, the fixing base all is fixed with the extensible member with the outside of movable seat, the one end of extensible member is fixed with the ultrasonic control case.
The method is further characterized in that: the telescopic piece comprises a first pipe, a second pipe is connected with the first pipe in a sliding mode, a sliding rod is connected with the second pipe in a sliding mode, and the sliding rod is fixedly connected with the ultrasonic control box.
The method is further characterized in that: the bottom of ultrasonic control box is provided with ultrasonic wave transmitting hole and ultrasonic wave receiving hole, limit groove one has been seted up to the inboard of pipe one, the outside of pipe two is fixed with the stopper one with limit groove one slip joint.
The method is further characterized in that: one end of the supporting beam, which is away from the harvester body, is fixed with a rotating seat which is rotationally connected with the corresponding position rotating block, and two ends of the screw rod are respectively and fixedly connected with the corresponding position rotating block.
The method is further characterized in that: the outside of axostylus axostyle has seted up the spout, the inside of movable seat is fixed with the slider with spout sliding connection.
The method is further characterized in that: the harvester is characterized in that a hydraulic oil tank is fixedly arranged in the harvester body, a hydraulic pump which is convenient for conveying oil to the oil cylinder is fixedly arranged on one side of the hydraulic oil tank, and a crawler wheel is fixedly arranged at the bottom of the harvester body.
The utility model has the beneficial effects that:
1. The method comprises the steps that a camera is fixed on a supporting beam, whether corn stalks are in a lodging state or not can be shot by the camera, the growth position of ears on corn plants in a working path of a harvester is analyzed, a harvester body is conveniently guided to adjust a header to a proper position for harvesting corn, an ultrasonic control box is fixed on a telescopic piece at the end of the supporting beam, a double-phase measuring method of ultrasonic ranging is utilized, carrier signals and modulation signals are modulated to form emission waves and emit signals to the ground direction of the harvester, at the moment, a timer is used for timing, the sound waves accurately reflect the ground concave-convex condition in a travelling path by means of the sound waves, when a receiver receives the reflected waves, the timer stops timing, the starting and stopping time difference of the timer is the height of the ultrasonic control box from the ground, meanwhile, the concrete height of the ground surface in the working path of the harvester is reflected, SPSS software of a core calculator is input for analysis, the average value is taken to obtain the height of the ground, the height condition of the corn plants is conveniently obtained, and the oil cylinder drives the header to move to the proper height of the corn plants, and the corn leaves are satisfied;
2. The motor is used for driving the screw rod to rotate so that the movable seat connected with the screw rod can move along the shaft rod, two movable seats on the same screw rod can move close to each other or move towards the direction deviating from each other, the distance between the movable seat and the fixed seat and the distance between the two movable seats are adjusted, and then two adjacent telescopic members are driven to move close to each other or move towards the opposite direction, so that the position between two adjacent corn straws is conveniently adjusted by the ultrasonic control boxes, a plurality of ultrasonic control boxes are used for ranging at different positions of the corn straw ridge, the distance values can be averaged to serve as height parameters, the accuracy of the ranging for reflecting the heights of the corn straws is improved, when the shaft rod is driven to rotate to a vertical state by the telescopic members, the slide rod is contained in a second tube under the gravity action of the ultrasonic control boxes, the second tube is contained in a third tube (refer to an instruction figure 5), and the telescopic members in the extension state of the harvester body during turning are prevented from pushing the straws.
Drawings
The utility model is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic view of the external overall structure of the axle rod of the present utility model;
FIG. 3 is a schematic diagram of the structure of a shaft lever, a double-shaft motor and a screw rod in the utility model;
FIG. 4 is a schematic view of an ultrasonic control box and a split three-dimensional structure of a first pipe and a second pipe according to the present utility model;
FIG. 5 is a schematic view of the structure of the telescopic member and the ultrasonic control box in the utility model;
Fig. 6 is a flow chart of the operation of the present utility model.
In the figure: 100. a harvester body; 110. a hydraulic oil tank; 120. a hydraulic pump; 130. track wheels; 200. a cutting table; 210. a crop divider; 220. a cutter; 300. a support beam; 310. a camera; 320. a rotating seat; 311. a first motor; 400. a rotating block; 410. a shaft lever; 411. a fixing seat; 412. a movable seat; 4121. a transmission block; 413. a chute; 500. a biaxial motor; 510. a screw rod; 600. a telescoping member; 610. a first tube; 611. a first limit groove; 620. a second pipe; 621. a first limiting block; 620. a second pipe; 630. a slide bar; 700. an ultrasonic control box.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-6, an automatic adjusting device for a corn stalk cutter based on an ultrasonic technology includes a harvester body 100, one end of the harvester body 100 is connected with a header 200 through an oil cylinder transmission, the header 200 includes a divider 210 and a cutter 220 for cutting stalks, which are fixedly connected with each other, one end of the harvester body 100, which is close to the header 200, is fixed with two symmetrically distributed support beams 300, a camera 310 is mounted and fixed at the bottom of the support beams 300, a rotating block 400 is rotatably connected at the inner side of the support beams 300, a shaft 410 is fixed between the two rotating blocks 400, a fixed seat 411 is fixed at the middle part of the shaft 410, two movable seats 412 are slidably connected at two ends of the middle part of the shaft 410, two double-shaft motors 500 are fixed at the outer sides of the fixed seat 411, two output ends of the double-shaft motors 500 are respectively fixed with screw rods 510 for driving the movable seats 412 to move, telescopic members 600 are respectively fixed at the outer sides of the fixed seats 411 and the movable seats 412, an ultrasonic control box 700 is fixed at one end of the telescopic members 600, a transmission block 4121 is rotatably connected with the corresponding screw rods 510, and the transmission block 4121 is rotatably connected with the corresponding positions screw rods 410, and the transmission block 4121 enables the movable seats 412 to slide along the shaft 410.
The telescopic piece 600 comprises a first pipe 610, a second pipe 620 is slidably clamped in the first pipe 610, a sliding rod 630 is slidably clamped in the second pipe 620, and the sliding rod 630 is fixedly connected with the ultrasonic control box 700, so that the sliding rod 630 can be slidably accommodated in the second pipe 620, the second pipe 620 can be slidably accommodated in the first pipe 610, and the space occupied by the telescopic piece 600 and the ultrasonic control box 700 is reduced; the bottom of ultrasonic control box 700 is provided with ultrasonic wave transmission hole and ultrasonic wave receiving hole, limit groove one 611 has been seted up to the inboard of pipe one 610, the outside of pipe two 620 is fixed with the stopper one 621 of the slip joint with limit groove one 611, ultrasonic wave transmission hole and ultrasonic wave receiving hole are used for transmitting sound wave and receiving sound wave respectively, stopper one 621 is at the inside slip joint of limit groove one 611, prevent pipe two 620 break away from pipe one 610, be fixed with the stopper two outside with the slide bar 630, limit groove two has been seted up to pipe two 620 inboard, stopper two is at the inside slip joint of limit groove two, prevent that slide bar 630 breaks away from pipe two 620.
One end of the supporting beam 300, which is away from the harvester body 100, is fixedly provided with a rotating seat 320 which is rotationally connected with a corresponding position rotating block 400, and two ends of a screw rod 510 are respectively fixedly connected with the corresponding position rotating block 400, so that the shaft lever 410 stably rotates between the two rotating seats 320; the outside of the shaft lever 410 is provided with a sliding groove 413, and a sliding block which is in sliding connection with the sliding groove 413 is fixed in the movable seat 412, so that the movable seat 412 can slide on the shaft lever 410 and can rotate along with the shaft lever 410; the inside mounting of harvester body 100 is fixed with hydraulic oil tank 110, and one side of hydraulic oil tank 110 installs and is fixed with the hydraulic pump 120 that conveniently carries fluid for the hydro-cylinder, and the bottom mounting of harvester body 100 is fixed with crawler wheel 130, and hydraulic pump 120 conveniently carries the hydro-oil to the hydro-cylinder position, makes hydro-cylinder drive header 200 adjust position height.
Working principle: during operation, according to the interval between adjacent corn stalks, the double-shaft motor 500 rotates with the two screw rods 510 at the output end thereof, so that the movable seat 412 in screwed connection with the screw rods 510 moves in the direction away from each other with the adjacent telescopic members 600 and the ultrasonic control box 700, so that the ultrasonic control box 700 at different positions can correspond to the positions between the adjacent two corn stalks at different positions, then the motor one 311 on the support beam 300 rotates with the shaft 410, so that the shaft 410 rotates to an inclined state with the telescopic members 600 and the ultrasonic control box 700 on the movable seat 412 (refer to fig. 1 of the specification), the telescopic members 600 are extended under the gravity action of the ultrasonic control box 700, so that the ultrasonic control box 700 can extend into the corn stalks, and as the harvester body 100 moves, the ultrasonic control box 700 moves above a ridge in front of the header 200 to measure the height of the ridge floor in advance, furthermore, the height of the straw is measured, the later straw harvesting and stubble remaining are facilitated, meanwhile, the camera 310 shoots and records the image of the straw, whether the straw falls down or not is judged, the height of the header 200 which needs to be automatically adjusted can be conveniently judged according to the data acquired by ultrasonic waves and by combining the image acquired by the camera 310 when the automatic control is performed by the harvester body 100, the automatic control is realized, in addition, the traditional manual control can also be adopted, the header 200 is operated to be lifted to a proper height position through the observation of a driver, the operation flow chart in the specification figure 6 can be specifically referred, when the data is acquired by the ultrasonic waves in the prior art, the main principle can be briefly described as a double-phase measurement method by utilizing the ultrasonic ranging, the carrier wave signal and the modulation signal form a transmitting wave and transmit the signal to the ground direction of the harvester, the timer is performed in the computer, the sound wave accurately reflects the concave-convex condition of the ground in the travelling route by means of the sound wave, when the receiver receives the reflected wave, the timer stops timing, the obtained starting and stopping time difference of the timer is the height of the ultrasonic control box 700 from the ground, meanwhile, the specific height condition of the ground surface in the working path of the harvester is reflected, the specific height condition is input into the core calculator SPSS software for analysis, the average value is obtained, and the general height of the ground is obtained, so that the height condition of corn plants is obtained.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is merely illustrative and explanatory of the utility model, as various modifications and additions may be made to the particular embodiments described, or in a similar manner, by those skilled in the art, without departing from the scope of the utility model or exceeding the scope of the utility model as defined in the claims.

Claims (6)

1. The utility model provides a maize straw cutterbar automatic regulating apparatus based on ultrasonic wave technique, includes harvester body (100), the one end of harvester body (100) is connected with header (200) through hydro-cylinder transmission, a serial communication port, header (200) are including mutual fixed connection's divider (210) and be used for cutting straw cutterbar (220), the one end that harvester body (100) is close to header (200) is fixed with two symmetric distribution's supporting beam (300), the bottom installation of supporting beam (300) is fixed with camera (310), the inboard rotation of supporting beam (300) is connected with turning block (400), two be fixed with axostylus axostyle (410) between turning block (400), the middle part of axostylus axostyle (410) is fixed with fixing base (411), the both ends at the middle part of axostylus axostyle (410) all sliding connection has movable seat (412), the outside of fixing base (411) is fixed with two biax motors (500), two output ends of biax motors (500) all are fixed with lead screw (510) that are used for driving movable seat (412) to remove, the inboard rotation of supporting beam (300) is connected with turning block (400), two be fixed with ultrasonic wave expansion joint (600) one end (600).
2. The automatic corn stalk cutter adjusting device based on the ultrasonic technology according to claim 1, wherein the telescopic piece (600) comprises a first pipe (610), a second pipe (620) is connected with the first pipe (610) in a sliding clamping mode, a sliding rod (630) is connected with the second pipe (620) in a sliding clamping mode, and the sliding rod (630) is fixedly connected with the ultrasonic control box (700).
3. The automatic corn stalk cutter adjusting device based on the ultrasonic technology according to claim 2, wherein an ultrasonic transmitting hole and an ultrasonic receiving hole are arranged at the bottom of the ultrasonic control box (700), a first limit groove (611) is formed in the inner side of the first pipe (610), and a first limit block (621) which is in sliding clamping connection with the first limit groove (611) is fixed on the outer side of the second pipe (620).
4. The automatic corn stalk cutter adjusting device based on the ultrasonic technology according to claim 1, wherein one end of the supporting beam (300) deviating from the harvester body (100) is fixed with a rotating seat (320) which is rotationally connected with a corresponding position rotating block (400), and two ends of the screw rod (510) are respectively and fixedly connected with the corresponding position rotating block (400).
5. The automatic corn stalk cutter adjusting device based on the ultrasonic technology according to claim 1, wherein a sliding groove (413) is formed in the outer side of the shaft lever (410), and a sliding block in sliding connection with the sliding groove (413) is fixed in the movable seat (412).
6. The automatic corn stalk cutter adjusting device based on the ultrasonic technology according to claim 1, wherein a hydraulic oil tank (110) is fixed in the harvester body (100), a hydraulic pump (120) which is convenient for conveying oil to an oil cylinder is fixed on one side of the hydraulic oil tank (110), and a crawler wheel (130) is fixed on the bottom of the harvester body (100).
CN202323057682.3U 2023-11-13 2023-11-13 Automatic adjusting device of corn stalk cutter based on ultrasonic technology Active CN221178491U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202323057682.3U CN221178491U (en) 2023-11-13 2023-11-13 Automatic adjusting device of corn stalk cutter based on ultrasonic technology

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202323057682.3U CN221178491U (en) 2023-11-13 2023-11-13 Automatic adjusting device of corn stalk cutter based on ultrasonic technology

Publications (1)

Publication Number Publication Date
CN221178491U true CN221178491U (en) 2024-06-21

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ID=91519129

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202323057682.3U Active CN221178491U (en) 2023-11-13 2023-11-13 Automatic adjusting device of corn stalk cutter based on ultrasonic technology

Country Status (1)

Country Link
CN (1) CN221178491U (en)

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