CN112444226B - Tilling depth detection device for agricultural machinery and application method thereof - Google Patents

Tilling depth detection device for agricultural machinery and application method thereof Download PDF

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Publication number
CN112444226B
CN112444226B CN202011102690.3A CN202011102690A CN112444226B CN 112444226 B CN112444226 B CN 112444226B CN 202011102690 A CN202011102690 A CN 202011102690A CN 112444226 B CN112444226 B CN 112444226B
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detection device
tilling depth
fixedly connected
device main
main body
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CN112444226A (en
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胡军
李茂鹏
石宏扬
王碧玲
赵鹏程
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East China Jiaotong University
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East China Jiaotong University
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/18Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring depth
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01BSOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B71/00Construction or arrangement of setting or adjusting mechanisms, of implement or tool drive or of power take-off; Means for protecting parts against dust, or the like; Adapting machine elements to or for agricultural purposes

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  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Soil Working Implements (AREA)

Abstract

The invention discloses a tilling depth detection device for agricultural machinery and a use method thereof, wherein the tilling depth detection device is arranged at the bottom end of a subsoiler frame of the subsoiler, detecting the inclination angle of the subsoiling frame, calculating the descending height of the subsoiling frame by utilizing a trigonometric function algorithm, further calculates the depth of the subsoiler stretching into the soil, and transmits the detected depth value to a liquid crystal display screen on the tractor for displaying, thereby facilitating the working personnel to adjust the tilling depth of the subsoiler to the soil, and the information is sent to a server in real time by adopting the 5G technology, the tilling depth information of different positions can be inquired on the server, the device easy operation is convenient, labour saving and time saving, and the later stage is convenient for pull down the maintenance fast to the detection device main part simultaneously, can not become flexible and slide when guaranteeing that the detection device main part is fixed, can carry out safety protection to the detection device main part.

Description

Tilling depth detection device for agricultural machinery and application method thereof
Technical Field
The invention relates to the field of agricultural machinery, in particular to a tilling depth detection device for agricultural machinery and a using method thereof.
Background
The cultivation depth detection in agriculture is the key for judging cultivation quality, the direct measurement technology is to install a sensor on a subsoiler to directly measure the operation depth of the subsoiler, and the ultrasonic sensor can be used in the direct measurement technology to measure the distance change between a subsoiler frame and the ground so as to calculate the soil penetration depth of the subsoiler.
The prior tilling depth detection device for agricultural machinery is generally fixed on a subsoiler by using bolts when the corresponding tilling depth detection device is installed, is not simple and convenient to operate, wastes time and labor, and is inconvenient to disassemble in the later period, so that the tilling depth detection device is inconvenient to overhaul in the later period, and after the tilling depth detection device is disassembled and assembled for multiple times, the bolts can have the phenomenon of tooth slipping or thread slipping, so that the fixing effect on the tilling depth detection device is not good, the tilling depth detection device can be loosened when the tilling depth detection device is fixed next time, and most of the tilling depth detection devices are not provided with corresponding protection devices after being fixed, so that the tilling depth detection device can be damaged by collision of plant roots or foreign matters in the working process, the service life of the tilling depth detection device is shortened, therefore, the tilling depth detection device for agricultural machinery and the use method thereof are provided, to solve the above problems.
Disclosure of Invention
In order to solve the problems, the invention aims to provide a tilling depth detection device for agricultural machinery and a using method thereof, the tilling depth detection device is arranged at the bottom end of a subsoiler frame of the subsoiler to detect the inclination angle of the subsoiler frame, the descending height of the subsoiler frame is calculated by utilizing a trigonometric function algorithm, the depth of a subsoiler extending into soil is further calculated, the detected depth value is transmitted to a liquid crystal display on a tractor to be displayed, so that a worker can conveniently adjust the tilling depth of the subsoiler to the soil, the information is transmitted to a server in real time by adopting a 5G technology, tilling depth information of different positions can be inquired on the server, the wedge block is clamped in a clamping groove in a left and right mode, meanwhile, the inclined surface of the wedge block can upwards press the top wall of the clamping groove to increase the bonding performance and the friction force between a mounting plate and a guide rail seat, guarantee that the detection device main part can not become flexible and slide when fixed, simultaneously, the protection casing of setting can carry out safety protection to the detection device main part, carries out the during operation in the dark pine frame, reduces the probability that the detection device main part received plant rhizome or foreign matter collision and damaged in the motion process, prolongs the life of detection device main part, satisfies the user demand.
In order to achieve the above object, the present invention provides a tilling depth detection device for an agricultural machine and a method for using the same, which are implemented as follows:
the tilling depth detection device comprises a subsoiling frame, wherein a guide rail seat is fixedly connected to the bottom of the subsoiling frame, a guide rail groove is formed in the side wall of the guide rail seat, a mounting plate is movably clamped in the guide rail groove, a detection device main body is fixedly connected to the bottom of the mounting plate, positioning blocks are fixedly connected to two sides of the detection device main body, a clamping groove is formed in one side, away from the detection device main body, of each positioning block, a fixing mechanism corresponding to each positioning block is arranged at the bottom of the subsoiling frame, right-angle blocks are fixedly connected to four corners of the bottom of the subsoiling frame, a protective cover is movably clamped between the right-angle blocks, locking holes are formed in the side wall of the protective cover, and locking mechanisms corresponding to the protective cover are arranged on the side wall of each right-angle block.
Preferably, the distance between the hinge point of the detection device main body and the subsoiler is fixed, and the height of the subsoiler frame descending can be calculated by detecting the inclination angle of the detection device main body, so that the depth of the subsoiler extending into the soil is calculated.
Preferably, the detection device main part includes metal aluminium box, bluetooth module, 5G module, big dipper orientation module, battery, control circuit board, inclination sensor are all installed in metal aluminium box, are bluetooth module, 5G module, big dipper orientation module, control circuit board, inclination sensor power supply by the battery.
Preferably, install liquid crystal display in the driver's cabin of tractor, liquid crystal display adopt the liquid crystal serial ports screen that has the bluetooth.
Preferably, fixed establishment includes the stand, stand fixed connection just is located the both sides of guide rail seat at the lower surface of subsoiling frame, and the two sets of stands of every side symmetry fixedly connected with of guide rail seat, the stand is close to one side fixedly connected with guide block of guide rail seat, the stand is kept away from the first dead lever of one side fixedly connected with of guide rail seat, and is two sets of the first curb plate of one end fixedly connected with of stand is kept away from to first dead lever.
Preferably, the center of the first side plate is fixedly connected with a nut seat, the axis of the nut seat is in threaded connection with a lead screw, one end of the lead screw penetrates through the nut seat and is rotatably connected with a wedge block, and the other end of the lead screw is fixedly connected with a rotating handle.
Preferably, the wedge is close to one side fixedly connected with bearing of lead screw, the concrete rotation of lead screw is connected in the bearing, the wedge is close to one side of lead screw and still two sets of gag lever posts of fixedly connected with, the wedge is close to one side fixedly connected with stop collar of first dead lever, set up the round hole corresponding with the gag lever post on the stop collar, gag lever post sliding connection is in the round hole of stop collar, one side that the lead screw was kept away from to the wedge passes between two sets of stands and activity joint at the screens inslot.
Preferably, the locking mechanism comprises second fixing rods, the second fixing rods are fixedly connected to the side wall of the right-angle block, the number of the second fixing rods is two, and two groups of second fixing rods are fixedly connected to second side plates at the ends, far away from the right-angle block, of the second fixing rods.
Preferably, the two groups of second fixing rods are slidably connected with sliding plates, the sliding plates are provided with two groups of round holes corresponding to the second fixing rods, one sides of the sliding plates, which are close to the right-angle block, are fixedly connected with locking rods, and one sides of the sliding plates, which are close to the second side plate, are fixedly connected with springs.
Preferably, one end of the locking rod, which is far away from the sliding plate, penetrates through the right-angle block and is movably inserted into the locking hole, one end of the spring, which is far away from the sliding plate, is fixedly connected to the second side plate, and the spring is in a compressed state.
Preferably, the right-angle blocks are provided with a second fixed rod and sliding plates, and the sliding plates on two adjacent groups of right-angle blocks are fixedly connected with a connecting strip.
Preferably, the specific use method is as follows:
step S1: the detection device main body can be arranged on the guide rail seat, so that the detection device main body is arranged at the bottom of the deep scarification rack, and corresponding tillage depth detection is realized;
step S2: after the position of the clamping groove corresponds to that of the wedge block, the rotating handle is rotated at the moment, the rotating handle drives the screw rod to rotate, the screw rod moves spirally along the nut seat, the screw rod simultaneously rotates in the bearing and pushes the wedge block to move, the wedge block drives the limiting rod to slide in a round hole of the limiting sleeve, the wedge block moves along two groups of guide blocks and is inserted into the clamping groove, after the wedge block is inserted into the clamping groove, the inclined surface of the wedge block upwards extrudes the top wall of the clamping groove while the wedge block is clamped left and right, and the positioning block is pushed upwards, the positioning block pushes the detection device body and then drives the mounting plate to generate upward pressure on the guide rail seat, so that the mounting plate and the guide rail seat generate friction, and the fixing effect on the detection device body is improved;
step S3: after the detection device main body is installed, the protective cover can be installed and then protected by the detection device main body, during installation, the connecting strip is firstly pulled, the connecting strip drives the sliding plate to slide along the second fixing rod, the spring is extruded and the locking rod is driven to slide when the sliding plate moves, when the locking rod is not in contact with the right-angle block, the protective cover is clamped between the four groups of right-angle blocks, the locking hole corresponds to the locking rod, then the connecting strip is loosened, the spring stretches and pushes the sliding plate to move, the sliding plate drives the locking rod to be inserted into the locking hole, and the protective cover is fixed.
Because the invention adopts the loosening machine main body, the guide rail seat, the mounting plate, the detection device main body, the fixing mechanism, the right-angle block, the protective cover, the locking mechanism and the like, the following beneficial effects can be obtained:
1. according to the invention, the tilling depth detection device is arranged at the bottom end of the subsoiler frame of the subsoiler to detect the inclination angle of the subsoiler frame, the falling height of the subsoiler frame is calculated by utilizing a trigonometric function algorithm, the depth of the subsoiler extending into the soil is further calculated, the detected depth value is transmitted to a liquid crystal display on a tractor to be displayed, the subsoiler can conveniently adjust the tilling depth of the subsoiler to the soil, the information is transmitted to a server in real time by adopting a 5G technology, and the server can inquire tilling depth information of different positions.
2. According to the invention, by arranging the subsoiling frame, the guide rail seat, the mounting plate, the detection device main body, the fixing mechanism, the right-angle block, the protective cover and the locking mechanism, when workers mount and fix the detection device main body, the operation is simple and convenient, the time and the labor are saved, and meanwhile, the detection device main body is convenient to rapidly dismount and overhaul in the later period.
3. The fixing mechanism provided by the invention has a good fixing effect on the detection device main body, the wedge-shaped block is clamped in the clamping groove to clamp the positioning block leftwards and rightwards, and meanwhile, the inclined surface of the wedge-shaped block can upwards extrude the top wall of the clamping groove, so that the attaching property and the friction force between the mounting plate and the guide rail seat are increased, and the detection device main body is ensured not to loosen and slide when being fixed.
4. The protective cover provided by the invention can safely protect the detection device main body, when the deep scarification rack works, the probability that the detection device main body is damaged by collision of plant roots or foreign matters in the movement process is reduced, the service life of the detection device main body is prolonged, and the requirements of users are met.
Drawings
FIG. 1 is a schematic diagram of the main structure of a tilling depth detecting device for agricultural machinery and a method for using the same according to the present invention;
FIG. 2 is a view showing the construction of a protective cover for a tilling depth detecting apparatus for agricultural machine and a method of using the same according to the present invention;
FIG. 3 is a view showing the installation of a main body of a tilling depth detecting apparatus for an agricultural machine and a method of using the same according to the present invention;
FIG. 4 is a view showing the installation of a sliding plate of the tilling depth detecting apparatus for agricultural machine and the method of using the same according to the present invention;
FIG. 5 is a view showing a configuration of a main body of a tilling depth detecting apparatus for an agricultural machine and a method of using the same according to the present invention;
FIG. 6 is a structural view of a guide rail seat of a tilling depth detecting device for agricultural machinery and a method of using the same according to the present invention;
FIG. 7 is an installation view of a wedge block for a tilling depth detecting device of an agricultural machine and a method for using the same according to the present invention;
FIG. 8 is a schematic view of the mounting structure of the main body of the tilling depth detecting device for agricultural machine and the method of using the device of the present invention on the subsoiler;
FIG. 9 is a schematic structural view of a main body of a tilling depth detecting device for agricultural machine and a method for using the same according to the present invention;
FIG. 10 is a schematic view of tilling depth calculation of the tilling depth detecting device for agricultural machine and its method of use according to the present invention;
fig. 11 is a working principle diagram of a tilling depth detecting device for agricultural machinery and a method for using the same according to the present invention.
In the figure: 1. a deep scarification frame; 2. a guide rail seat; 201. a guide rail groove; 3. mounting a plate; 4. a detection device main body; 401. positioning blocks; 402. a metallic aluminum case; 403. a Bluetooth module; 404. a 5G module; 405. a Beidou positioning module; 406. a storage battery; 407. a control circuit board; 408. a tilt sensor; 4011. a clamping groove; 5. a column; 501. a guide block; 502. a first fixing lever; 503. a first side plate; 5031. a nut seat; 504. a screw rod; 5041. turning a handle; 505. a wedge block; 5051. a bearing; 5052. a limiting rod; 506. a limiting sleeve; 6. a right-angle block; 601. a second fixing bar; 602. a second side plate; 7. a sliding plate; 701. a locking lever; 702. a spring; 703. a connecting strip; 8. a protective cover; 801. a locking hole; 9. a liquid crystal display screen; 10. a hinge point; 11. a subsoiler.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings.
Example 1: referring to fig. 1 to 11, the tilling depth detection device for agricultural machinery and the use method thereof are shown, the tilling depth detection device comprises a subsoiling frame 1, a guide rail seat 2 is fixedly connected to the bottom of the subsoiling frame 1, a guide rail groove 201 is formed in the side wall of the guide rail seat 2, a mounting plate 3 is movably clamped in the guide rail groove 201, a detection device main body 4 is fixedly connected to the bottom of the mounting plate 3, positioning blocks 401 are fixedly connected to two sides of the detection device main body 4, a clamping groove 4011 is formed in one side of the positioning block 401 away from the detection device main body 4, a fixing mechanism corresponding to the positioning block 401 is arranged at the bottom of the subsoiling frame 1, right-angled blocks 6 are fixedly connected to four corners of the bottom of the subsoiling frame 1, a protective cover 8 is movably clamped between the right-angled blocks 6, locking holes 801 are formed in the side wall of the protective cover 8, and a locking mechanism corresponding to the protective cover 8 is arranged on the side wall of the right-angled block 6, through the arrangement of the subsoiling frame 1, the guide rail seat 2, the mounting plate 3, the detection device main body 4, the fixing mechanism, the right-angle block 6, the protective cover 8 and the locking mechanism, when a worker installs and fixes the detection device main body 4, the operation is simple and convenient, time and labor are saved, meanwhile, the detection device main body 4 can be conveniently and rapidly detached and overhauled in the later period, the fixing mechanism has a good fixing effect on the detection device main body 4, the wedge block 505 clamps the positioning block 401 in the clamping groove 4011 in a left-right mode, the inclined surface of the wedge block 505 can upwards extrude the top wall of the clamping groove 4011, the attaching performance and the friction force between the mounting plate 3 and the guide rail seat 2 are increased, the detection device main body 4 is guaranteed not to loosen and slide when being fixed, meanwhile, the protective cover 8 is arranged to safely protect the detection device main body 4, when the subsoiling frame 1 works, the probability that the detection device main body 4 is damaged due to collision of rhizome plants or foreign matters in the movement process is reduced, the service life of the detection device main body 4 is prolonged, and the requirements of users are met.
The distance between the detection device body 4 and the hinge point 10 of the subsoiler is fixed, and the height of the subsoiler frame 1 descending can be calculated by detecting the inclination angle of the detection device body 4, and then the depth of the subsoiler 11 extending into the soil can be calculated.
A liquid crystal display screen 9 is installed in a cab of the tractor, and the liquid crystal display screen 9 adopts a liquid crystal serial port screen with Bluetooth and is used for displaying tilling depth information and corresponding geographical position information.
The detection device main body 4 comprises a metal aluminum box 402, a Bluetooth module 403, a 5G module 404, a Beidou positioning module 405, a storage battery 406, a control circuit board 407 and an inclination angle sensor 408, wherein the Bluetooth module 403, the 5G module 404, the Beidou positioning module 405, the storage battery 406, the control circuit board 407 and the inclination angle sensor 408 are all installed in the metal aluminum box 402, the inclination angle sensor 408 is used for detecting the inclination angle of the detection device main body 4 and transmitting the detected information to the control circuit board 407 for processing and calculating the tilling depth value, the Beidou positioning module 405 is used for collecting the position information of the current tilling depth detection device and transmitting the collected information to the control circuit board 407, the Bluetooth module 403 is used for establishing wireless communication between the control circuit board 407 and the liquid crystal display 9, the control circuit board 407 controls the Bluetooth module 403 to transmit the detected tilling depth value and the corresponding position information to the liquid crystal display 9, and the 5G module 404 is controlled to send the detected tilling depth value and the corresponding position information to the server, and other users can inquire the tilling depth information of different geographic positions by accessing the server, so that the users can conveniently judge whether the tilling depth of the land meets the requirements.
Fixing mechanism includes stand 5, 5 fixed connection of stand just is located the both sides of guide rail seat 2 at the lower surface of subsoiling frame 1, two sets of stands 5 of each side symmetry fixedly connected with of guide rail seat 2, stand 5 is close to one side fixedly connected with guide block 501 of guide rail seat 2, stand 5 keeps away from the first dead lever 502 of one side fixedly connected with of guide rail seat 2, the first curb plate 503 of one end fixedly connected with of stand 5 is kept away from to two sets of first dead levers 502, fixing mechanism is good to detection device main part 4's fixed effect, wedge 505 when going on controlling the screens to locating piece 401 in the card income screens groove 4011, wedge 505's inclined plane can upwards extrude screens groove 4011's roof, laminating nature and frictional force between increase mounting panel 3 and the guide rail seat 2, guarantee that detection device main part 4 can not become flexible and slide when fixed.
A nut seat 5031 is fixedly connected at the center of the first side plate 503, a lead screw 504 is screwed at the axis of the nut seat 5031, one end of the lead screw 504 penetrates through the nut seat 5031 and is rotatably connected with a wedge block 505, the other end of the lead screw 504 is fixedly connected with a rotating handle 5041, and the lead screw 504 is convenient to rotate by arranging the rotating handle 5041.
A bearing 5051 is fixedly connected to one side of the wedge block 505 close to the screw rod 504, the screw rod 504 is connected in the bearing 5051 in a specific rotating manner, two sets of limiting rods 5052 are fixedly connected to one side of the wedge block 505 close to the screw rod 504, a limiting sleeve 506 is fixedly connected to one side of the wedge block 505 close to the first fixing rod 502, a round hole corresponding to the limiting rod 5052 is formed in the limiting sleeve 506, the limiting rod 5052 is connected in the round hole of the limiting sleeve 506 in a sliding manner, one side of the wedge block 505 far away from the screw rod 504 penetrates between the two sets of upright posts 5 and is movably clamped in the clamping groove 4011, the limiting rod 5052 is connected in the round hole of the limiting sleeve 506 in a sliding manner through the limiting rod 5052, the limiting and the supporting of the limiting rod 5052 are achieved, namely the limiting and the supporting of the wedge block 505 are achieved, the position deviation of the wedge block 505 after being subjected to external pressure is prevented, and the phenomenon that the fixing effect is not good due to the position deviation is avoided, the stability of the device is increased.
Locking mechanism includes second dead lever 601, second dead lever 601 fixed connection is at the lateral wall of right angle piece 6, and the quantity of second dead lever 601 is two sets of, and the one end fixedly connected with second curb plate 602 of right angle piece 6 is kept away from to two sets of second dead levers 601, and locking mechanism is convenient for operate when using, and then makes when installing and later stage pull down protection casing 8, and all simple convenient, labour saving and time saving satisfies user's demand.
The two groups of second fixing rods 601 are slidably connected with a sliding plate 7, two groups of round holes corresponding to the second fixing rods 601 are formed in the sliding plate 7, a locking rod 701 is fixedly connected to one side of the sliding plate 7 close to the right-angle block 6, and a spring 702 is fixedly connected to one side of the sliding plate 7 close to the second side plate 602.
Locking lever 701 is kept away from the one end of sliding plate 7 and is passed right angle piece 6 and the activity is pegged graft in locking hole 801, the one end fixed connection that sliding plate 7 was kept away from to spring 702 is on second curb plate 602, and spring 702 is in compression state, the protection casing 8 of setting can carry out safety protection to detection device main part 4, when subsoiler frame 1 carries out work, reduce the probability that detection device main part 4 received plant rhizome or foreign matter collision and damaged in the motion process, the life of extension detection device main part 4, satisfy the user's demand.
All be equipped with second dead lever 601 and sliding plate 7 on the right angle piece 6, fixedly connected with connecting strip 703 between the sliding plate 7 on the adjacent two sets of right angle pieces 6, can connect adjacent two sets of sliding plates 7 through the connecting strip 703 that sets up, and then make staff's pulling connecting strip 703 can drive the motion of two sets of sliding plates 7 and check lock lever 701, simplified the operation steps of fixing and dismantling protection casing 8.
Example 2: referring to fig. 1 to 11, the specific application method is as follows:
step S1: firstly, the detection device body 4 can be arranged on the guide rail seat 2, so that the detection device body 4 is arranged at the bottom of the subsoiling frame 1, and further corresponding tilling depth detection is realized, when in installation, the mounting plate 3 is firstly clamped into the guide rail seat 2, the mounting plate 3 is completely clamped into the guide rail groove 201, and the clamping groove 4011 on the positioning block 401 corresponds to the wedge-shaped block 505;
step S2: after the position of the clamping groove 4011 corresponds to that of the wedge block 505, at this time, the rotating handle 5041 is rotated, the rotating handle 5041 drives the screw rod 504 to rotate, the screw rod 504 spirally moves along the nut seat 5031, the screw rod 504 simultaneously rotates in the bearing 5051 and pushes the wedge block 505 to move, the wedge block 505 drives the limit rod 5052 to slide in the circular hole of the limit sleeve 506, the wedge block 505 moves along the two groups of guide blocks 501 and is inserted into the clamping groove 4011, after the wedge block 505 is clamped left and right after being inserted into the clamping groove 4011, the inclined surface of the wedge block 505 upwards extrudes the top wall of the clamping groove 4011 and causes the positioning block 401 to be subjected to an upward thrust, the positioning block 401 then pushes the detection device body 4 and further drives the mounting plate 3 to generate an upward pressure on the guide rail seat 2, further causes the mounting plate 3 and the guide rail seat 2 to generate a friction force, so as to increase the fixing effect on the detection device body 4, when the detection device body 4 needs to be detached, the reverse of the above-described process of mounting the detection device main body 4 is sufficient;
step S3: after the detection device main body 4 is installed, the protective cover 8 can be installed to further protect the detection device main body 4, during installation, the connecting strip 703 is firstly pulled, the connecting strip 703 drives the sliding plate 7 to slide along the second fixing rod 601, the sliding plate 7 presses the spring 702 and drives the locking rod 701 to slide when moving, when the locking rod 701 is not in contact with the right-angle block 6, the protective cover 8 is clamped between the four groups of right-angle blocks 6 at the moment, the locking hole 801 corresponds to the locking rod 701 in position, then the connecting strip 703 is loosened, the spring 702 stretches and pushes the sliding plate 7 to move, the sliding plate 7 drives the locking rod 701 to be inserted into the locking hole 801 and fixes the protective cover 8, and when the protective cover 8 needs to be detached, the installation process of the protective cover 8 is reversed.
The device realizes simple and convenient operation, time and labor saving when workers install and fix the detection device main body 4 by arranging the subsoiling frame 1, the guide rail seat 2, the mounting plate 3, the detection device main body 4, the fixing mechanism, the right-angle block 6, the protective cover 8 and the locking mechanism, simultaneously, the detection device main body 4 is convenient to rapidly detach and overhaul in the later period, the fixing mechanism has good fixing effect on the detection device main body 4, the wedge block 505 clamps the positioning block 401 in the clamping groove 4011 in a left-right mode, the inclined surface of the wedge block 505 can upwards extrude the top wall of the clamping groove 4011, the attaching performance and the friction force between the mounting plate 3 and the guide rail seat 2 are increased, the detection device main body 4 is ensured not to loosen and slide when being fixed, meanwhile, the protective cover 8 can safely protect the detection device main body 4, when the subsoiling frame 1 works, the probability that the detection device body 4 is damaged by collision of plant roots or foreign matters in the movement process is reduced, the service life of the detection device body 4 is prolonged, and the requirements of a user are met.
The detection device body 4 calculates the tilling depth information according to the following scheme:
as the relative position between the hinging point 10 of the subsoiler and the tilling depth detection device is not changed, the straight-line distance between the hinging point 10 and the tilling depth detection device is made to be L, and the vertical distance between the hinging point 10 and the tilling depth detection device when the subsoiler 11 approaches the soil is made to be h1The vertical distance between the back-reaming point 10 of the subsoiler 11 extending into the soil and the tilling depth detection device is h, and the inclination angle acquired by the inclination angle sensor 408 is alpha, so that:
h=L×sin(α) (1)
further, the height of the fall of the tilling depth detection device is obtained as follows:
h′=h-h1=L×sin(α)-h1 (2)
and the calculated descending height of the tilling depth detection device is the soil penetration depth of the subsoiler.

Claims (10)

1. A tilling depth detection device for agricultural machinery comprises a subsoiling frame (1) and is characterized in that a guide rail seat (2) is fixedly connected to the bottom of the subsoiling frame (1), a guide rail groove (201) is formed in the side wall of the guide rail seat (2), a mounting plate (3) is movably clamped in the guide rail groove (201), a detection device main body (4) is fixedly connected to the bottom of the mounting plate (3), positioning blocks (401) are fixedly connected to the two sides of the detection device main body (4), a clamping groove (4011) is formed in one side, away from the detection device main body (4), of each positioning block (401), a fixing mechanism corresponding to each positioning block (401) is arranged at the bottom of the subsoiling frame (1), right-angled blocks (6) are fixedly connected to the four corners of the bottom of the subsoiling frame (1), a protective cover (8) is movably clamped between the right-angled blocks (6), locking holes (801) are formed in the side wall of the protective cover (8), and locking mechanisms corresponding to the protective cover (8) are arranged on the side wall of the right-angle block (6).
2. The tilling depth detection device for agricultural machines according to claim 1, wherein: the detection device main body (4) comprises a metal aluminum box (402), a Bluetooth module (403), a 5G module (404), a Beidou positioning module (405), a storage battery (406), a control circuit board (407) and an inclination angle sensor (408), wherein the Bluetooth module (403), the 5G module (404), the Beidou positioning module (405), the storage battery (406), the control circuit board (407) and the inclination angle sensor (408) are all installed in the metal aluminum box (402), the inclination angle sensor (408) is used for detecting the inclination angle of the detection device main body (4) and transmitting the detected information to the control circuit board (407) for processing and calculating a tilling depth value, the Beidou positioning module (405) is used for collecting the position information of the current tilling depth detection device and transmitting the collected information to the control circuit board (407), the Bluetooth module (403) is used for establishing the control circuit board (407) to establish wireless communication with the liquid crystal display screen (9), the control circuit board (407) controls the Bluetooth module (403) to send the detected tilling depth value and the corresponding position information to the liquid crystal display (9), and controls the 5G module (404) to send the detected tilling depth value and the corresponding position information to the server, and other users can inquire tilling depth information of different geographic positions by accessing the server.
3. The tilling depth detection device for agricultural machines according to claim 2, wherein: fixing mechanism includes stand (5), stand (5) fixed connection just is located the both sides of guide rail seat (2) at the lower surface of dark pine frame (1), two sets of stands (5) of guide rail seat (2) each side symmetry fixedly connected with, stand (5) are close to one side fixedly connected with guide rail seat (2) guide block (501), the first dead lever (502) of one side fixedly connected with of guide rail seat (2) is kept away from in stand (5), and is two sets of the first curb plate (503) of one end fixedly connected with of stand (5) are kept away from in first dead lever (502).
4. The tilling depth detection device for agricultural machines according to claim 3, wherein: the center of the first side plate (503) is fixedly connected with a nut seat (5031), the axis of the nut seat (5031) is in threaded connection with a lead screw (504), one end of the lead screw (504) penetrates through the nut seat (5031) and is rotatably connected with a wedge block (505), and the other end of the lead screw (504) is fixedly connected with a rotating handle (5041).
5. The tilling depth detection device for agricultural machines according to claim 4, wherein: wedge (505) are close to one side fixedly connected with bearing (5051) of lead screw (504), the concrete rotation of lead screw (504) is connected in bearing (5051), one side that wedge (505) are close to lead screw (504) still two sets of gag lever posts (5052) of fixedly connected with, one side fixedly connected with stop collar (506) that wedge (505) are close to first dead lever (502), set up the round hole corresponding with gag lever post (5052) on stop collar (506), gag lever post (5052) sliding connection is in the round hole of stop collar (506), one side that lead screw (504) were kept away from to wedge (505) is passed between two sets of stand (5) and the activity joint is in screens groove (4011).
6. The tilling depth detection device for agricultural machines according to claim 5, wherein: the locking mechanism comprises a second fixing rod (601), the second fixing rod (601) is fixedly connected to the side wall of the right-angle block (6), the number of the second fixing rods (601) is two, and two groups of second fixing rods (601) are fixedly connected to second side plates (602) at the ends, far away from the right-angle block (6).
7. The tilling depth detection device for agricultural machines according to claim 6, wherein: the two groups of second fixing rods (601) are connected with sliding plates (7) in a sliding mode, the sliding plates (7) are provided with two groups of round holes corresponding to the second fixing rods (601), one sides, close to the right-angle blocks (6), of the sliding plates (7) are fixedly connected with locking rods (701), and one sides, close to the second side plates (602), of the sliding plates (7) are fixedly connected with springs (702).
8. The tilling depth detection device for agricultural machines according to claim 7, wherein: one end, far away from the sliding plate (7), of the locking rod (701) penetrates through the right-angle block (6) and is movably inserted into the locking hole (801), one end, far away from the sliding plate (7), of the spring (702) is fixedly connected to the second side plate (602), and the spring (702) is in a compressed state.
9. The use method of the tilling depth detection device for agricultural machines according to claim 8, wherein: the specific application method is as follows:
step S1: firstly, a detection device main body (4) can be installed on a guide rail seat (2), so that the detection device main body (4) is installed at the bottom of a subsoiling frame (1) and further corresponding tilling depth detection is realized, during installation, an installation plate (3) is clamped into the guide rail seat (2), the installation plate (3) is completely clamped into a guide rail groove (201), and a clamping groove (4011) on a positioning block (401) corresponds to a wedge-shaped block (505);
step S2: after the clamping groove (4011) corresponds to the wedge block (505), the rotating handle (5041) is rotated at the moment, the rotating handle (5041) drives the screw rod (504) to rotate, the screw rod (504) moves spirally along the nut seat (5031), the screw rod (504) rotates in the bearing (5051) and pushes the wedge block (505) to move, the wedge block (505) drives the limiting rod (5052) to slide in a circular hole of the limiting sleeve (506), the wedge block (505) moves along the two groups of guide blocks (501) and is inserted into the clamping groove (4011), after the wedge block (505) is inserted into the clamping groove (4011), the inclined surface of the wedge block (505) can extrude the top wall of the clamping groove (4011) upwards while clamping left and right, the positioning block (401) is subjected to upward thrust, the positioning block (401) pushes the detection device main body (4) to drive the mounting plate (3) to generate upward pressure on the guide rail seat (2), so that the mounting plate (3) and the guide rail seat (2) generate friction force, and the fixing effect on the detection device main body (4) is improved;
step S3: after the detection device main body (4) is installed, the protective cover (8) can be installed, so that the detection device main body (4) is protected, during installation, the connecting strip (703) is pulled at first, the connecting strip (703) drives the sliding plate (7) to slide along the second fixing rod (601), the sliding plate (7) extrudes the spring (702) and drives the locking rod (701) to slide when moving, when the locking rod (701) is not in contact with the right-angle block (6), the protective cover (8) is clamped between the four groups of right-angle blocks (6) at the moment, so that the locking hole (801) corresponds to the locking rod (701), then the connecting strip (703) is loosened, the spring (702) stretches and pushes the sliding plate (7) to move, and the sliding plate (7) drives the locking rod (701) to be inserted into the locking hole (801) and the protective cover (8) is fixed.
10. Use of a tilling depth detection device for agricultural machines according to any one of claims 1-2, wherein: the scheme for calculating the tilling depth information by the detection device main body (4) is as follows:
as the relative position between the hinge point (10) of the subsoiler and the tilling depth detection device is not changed, the linear distance between the hinge point (10) and the tilling depth detection device is made to be L, and the vertical distance between the hinge point (10) and the tilling depth detection device is made to be h when the subsoiler (11) approaches the soil1The vertical distance between a twisting point (10) and a tilling depth detection device after the subsoiler (11) extends into soil is h, and the inclination angle acquired by the inclination angle sensor (408) is alpha, so that the following steps are performed:
h=L×sin(α) (1)
further, the height of the fall of the tilling depth detection device is obtained as follows:
h′=h-h1=L×sin(α)-h1 (2)
and the calculated descending height of the tilling depth detection device is the soil penetration depth of the subsoiler.
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