CN111811857A

CN111811857A - Agricultural machine fault detection equipment and detection method based on big data

Info

Publication number: CN111811857A
Application number: CN202010715951.2A
Authority: CN
Inventors: 钟剑文
Original assignee: Shaoguan Chengpai New Energy Technology Co ltd
Current assignee: Shaoguan Chengpai New Energy Technology Co ltd
Priority date: 2020-07-23
Filing date: 2020-07-23
Publication date: 2020-10-23

Abstract

The embodiment of the invention discloses an agricultural machine fault detection device and a detection method based on big data, the agricultural machine fault detection device comprises a lifting support device, the lifting support device comprises a rectangular base, four vertical oil cylinders and a support plate, a jacking device is installed on the support plate, an anti-overturning device is installed on the side portion of the support plate, an observation through groove is formed in the center of the bottom end of the support plate, a temperature detection device and a tail gas conveying pipe are installed on the side wall of the observation through groove, and the bottom end of the tail gas conveying pipe is connected with a tail gas analysis device The principle that important parts are detected in sequence is adopted for detection, and the detection efficiency is improved.

Description

Agricultural machine fault detection equipment and detection method based on big data

Technical Field

The embodiment of the invention relates to the technical field of agricultural machinery, in particular to an agricultural machinery fault detection method based on big data.

Background

The rapid development of agricultural machinery and the application thereof in rural areas accelerate the structural innovation of agricultural labor force in rural areas in China, and the innovation promotes the new rural construction and the development of rural economy in China.

Agricultural machinery refers to various machines used in the production process of crop planting and animal husbandry, as well as in the primary processing and treatment process of agricultural and animal products. Agricultural machinery includes agricultural power machinery, farmland construction machinery, soil farming machinery, planting and fertilizing machinery, plant protection machinery, farmland irrigation and drainage machinery, crop harvesting machinery, agricultural product processing machinery, animal husbandry machinery, agricultural transportation machinery and the like.

The quality problem of agricultural machinery maintenance is not only related to the technical condition and resource conservation of agricultural machinery, but also related to the personal safety and the personal interests of maintenance parties. Therefore, it is important to enhance maintenance and management of agricultural machinery.

The problems of low quality of maintenance personnel, lack of vehicle owner maintenance awareness, unreasonable maintenance of agricultural machinery and the like generally exist in the aspect of agricultural machinery maintenance in China. The agricultural machinery is difficult to detect due to the fact that the detection equipment is not uniform, and the agricultural machinery is damaged due to improper maintenance, so that the service life of the agricultural machinery is shortened, and the maintenance cost and the economic burden of all people of the agricultural machinery are increased.

Disclosure of Invention

Therefore, the agricultural machine fault detection device based on the big data is provided, whether the bottom end device of the agricultural machine is normal or not is comprehensively analyzed through state information such as tail gas, images, sound and temperature under running and flameout states of the agricultural machine, whether the agricultural machine has faults or not is analyzed in multiple aspects, the detection is more thorough and effective, the detection is detected according to the principle that the faults are detected preferentially and important parts are detected sequentially, the detection is more orderly, the detection efficiency is improved, and the problems that the agricultural machine detection device is not uniform and the detection is inconvenient in the prior art are solved.

In order to achieve the above object, an embodiment of the present invention provides the following:

in a first aspect of an embodiment of the present invention, an agricultural machine fault detection device based on big data is provided, including a lifting support device, where the lifting support device includes a rectangular base, four vertical oil cylinders are installed at the top end of the rectangular base, the top ends of the four vertical oil cylinders are connected to a support plate, and a jacking device is also installed on the support plate;

an anti-toppling device is installed on the lateral portion of the supporting plate, an observation through groove is formed in the center of the bottom end of the supporting plate, a temperature detection device and a tail gas conveying pipe are installed on the lateral wall of the observation through groove, and a tail gas analysis device is connected to the bottom end of the tail gas conveying pipe.

In another embodiment of the invention, the anti-toppling device comprises a lifting cylinder arranged at the bottom end of a supporting plate through a cylinder seat, a piston rod at the top end of the lifting cylinder is connected with a baffle plate, a plurality of lifting grooves are formed in the side part of the supporting plate, and the baffle plate slides up and down in the lifting grooves.

In another embodiment of the invention, a plurality of laser distance measuring devices are installed inside the baffle plate through the installation holes, and a plurality of light ray holes allowing laser to pass through are formed in the baffle plate.

In another embodiment of the invention, the temperature detection device comprises a bendable metal tube which is installed on the side wall of the observation through groove through a clamping seat, the top end of the bendable metal tube is connected with an electric power seat plate, an LED lamp, a camera and a temperature sensor are installed on the electric power seat plate, a soft magnetic block is also installed at the top end of the electric power seat plate, and wires of the LED lamp, the camera and the temperature sensor are all connected with a power supply through the inside of the bendable metal tube.

In another embodiment of the present invention, the tail gas analysis device includes a suction device disposed in the middle of the tail gas conveying pipe, the bottom end of the tail gas conveying pipe is connected to a gas analyzer, the top end of the tail gas conveying pipe is connected to an air inlet funnel, and one end of the air inlet funnel is connected to an annular fixing clamp.

In another embodiment of the invention, the suction and delivery device comprises an annular pipe seat arranged in the middle of the tail gas conveying pipe, a rotatable sealing seat is arranged on the side part of the annular pipe seat through a rectangular hole, a micro fan positioned in the inner space of the annular pipe seat is arranged at the top end of the rotatable sealing seat, an output shaft of the micro fan is connected with an impeller, and the side surface of the rotatable sealing seat is in sealing connection with the side wall of the rectangular hole through a snap lock.

In addition, the invention also provides an agricultural machine fault detection method based on big data, which comprises the following steps:

s100, driving the agricultural machine onto a supporting device, and lifting the agricultural machine to a proper height to ensure the stability of the agricultural machine;

s200, making a proper detection scheme according to the working performance of the agricultural machinery;

s300, detecting the agricultural machine according to the maintenance scheme by an operator, if the fault of the agricultural machine is detected, making a repair scheme according to the fault, and repairing the fault part of the agricultural machine according to the repair scheme.

In another embodiment of the invention, the formulation of the detection scheme follows a fault priority principle, wherein the fault priority principle comprises the steps of firstly judging whether a fault occurs according to the working performance of the agricultural machine, and if the fault occurs, preferentially detecting the judged fault part; if no fault exists, all important parts of the agricultural machinery are sequentially detected.

In another embodiment of the present invention, the repair of the agricultural machine comprises the steps of:

s301, after detecting an accurate fault according to the maintenance scheme, an operator directly selects a set of most suitable repair scheme from the repair methods to repair the agricultural machinery;

s302, if the operator does not overhaul the fault part in the overhaul scheme, a plurality of agricultural machinery experts are gathered for scheme analysis, a new fault set and a new repair method set are established and stored in an agricultural machinery fault analysis evaluation library, and the operator inspects and repairs the agricultural machinery again according to the opinions of the agricultural machinery experts and the repair scheme.

The embodiment of the invention has the following advantages:

(1) the combination of the lifting support device, the anti-rolling device, the anti-dumping device and the jacking device can support the agricultural machine to a proper height to facilitate operators to overhaul bottom end parts of the agricultural machine, and can enable the agricultural machine to rotate on the support plate to detect the working state of the agricultural machine, the position of the agricultural machine can be lifted and lowered, the convenience of inspection and maintenance is greatly improved, the agricultural machine cannot be dumped on the support plate, the safety is high, the oil pumping device can clear the blockage of an oil tank and an oil way, can also clear old oil, and is convenient for analyzing engine oil, gasoline or diesel oil used by the agricultural machine, so that whether an internal combustion engine or a gear mechanism is normal or not is judged, and the smoothness of the oil way, the cooling of an engine unit and the lubrication of a gear set are ensured.

(2) The bulb and the camera mounted on the adjustable searchlighting device of the invention more clearly show the shape and the running state of the bottom part of the agricultural machine, the detection range of the bottom part of the agricultural machine for operators is enlarged, the laser ranging device can judge whether the tire is air-leaked or insufficient by measuring the levelness of the bottom plane of the agricultural machine, the temperature detection device can be attached to the bottom part of the agricultural machine to detect the surface temperature of the part, if the temperature is higher than the normal temperature, the part of the agricultural machine is damaged or the cooling circulation system is obstructed, the tail gas analysis device judges whether the gasoline in the internal combustion engine of the agricultural machine is fully combusted by collecting the waste gas generated when the agricultural machine works to judge whether the internal combustion engine is in fault, the temperature, the image, the sound and the tail gas of the important part equipment of the agricultural machine under the running state and flameout conditions are respectively detected, the state of the agricultural machine is detected from a plurality of, the analysis is more in place, and the fault detection is more accurate and reliable.

(3) The dynamic buffer monitoring device provided by the invention is suspended at the bottom end of the agricultural machine through the steel wire and the tension spring to monitor various aspects of states of the agricultural machine during working in a farmland in real time, the monitoring stability is improved through the design of various springs, a monitoring result is sent to the fault processing terminal through wifi, if the terminal finds a fault, an alarm is sent to the voice reminding device on the agricultural machine in time to remind a driver of the agricultural machine to drive the agricultural machine to a repair place for maintenance as soon as possible, the fault is killed in an initial stage, the expansion of the fault is avoided, the maintenance cost is saved, the service life of the agricultural machine is prolonged, and the safety of personnel is also improved.

(4) The invention designs a monitoring, detecting and maintaining method of agricultural machinery, which saves the faults of the prior agricultural machinery in a fault analysis and evaluation library through big data, gives out suggested inspection positions and maintenance methods according to the fault analysis and evaluation library, classifies the agricultural machinery faults, improves the maintenance efficiency of the agricultural machinery, ensures the updatability and expandability of the fault analysis and evaluation library to follow the continuously advanced steps of the agricultural machinery, can well and immediately monitor the working state of the agricultural machinery after the agricultural machinery is installed and monitored below the ground, ensures the safety of the agricultural machinery and drivers, establishes a set of detection flow and rules for the detection of the agricultural machinery according to the principles of fault priority and important position priority, thereby ensuring the detection and maintenance of the agricultural machinery to be more standard and scientific, avoiding the time waste of blind detection, greatly improving the detection, the maintenance efficiency of the agricultural machinery, and the like, Efficiency of monitoring and maintenance.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is expressly understood that the drawings in the following description are illustrative only and that other embodiments may be derived from the figures provided without the benefit of any inventive faculty, as will be apparent to those skilled in the art.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance.

Fig. 1 is a schematic structural diagram of a maintenance device according to an embodiment of the present invention;

FIG. 2 is an enlarged schematic view of A in FIG. 1 according to an embodiment of the present invention;

FIG. 3 is a schematic top view of a support plate according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of an oil pumping device according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of an adjustable searchlight according to an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a temperature detection device according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of an exhaust gas analysis apparatus according to an embodiment of the present invention;

FIG. 8 is a schematic structural diagram of a dynamic buffer monitoring apparatus according to an embodiment of the present invention;

fig. 9 is a flow chart of the detection of the maintenance of the agricultural machinery according to the embodiment of the present invention.

In the figure:

1-a support device; 2-an oil pumping device; 3-a support plate; 4-anti-roll device; 5-oil level control device; 6-adjustable searchlight means; 7-anti-tipping device; 8-temperature detection means; 9-a tail gas analysis device;

11-a rectangular base; 12-a vertical oil cylinder; 13-a travelling wheel; 14-an auxiliary oil cylinder; 15-anti-skid supporting land blocks; 16-a jacking device; 17-jacking oil cylinders; 18-a support block; 19-a limiting slider;

21-oil storage tank; 22-a suction pump; 23-an air exhaust pipe; 24-a chute; 25-oil outlet holes; 26-an oil suction pipe; 27-a nozzle tip;

31-observation through groove; 32-oblique butt strap; 33-anti-slip ribs; 34-an auxiliary brace; 35-extending the oil cylinder; 36-an elongated pallet; 37-plate groove; 38-a lifting groove;

41-jacking oil cylinders; 42-U-shaped catch wheel plate;

51-a lifter; 52-a piston block; 53-lever; 54-a fixed shaft; 55-vertical rod; 56-foam float; 57-pressure spring;

61-a frame; 62-horizontal axis; 63-longitudinal sliding rod; 64-a cylindrical block; 65-fixed angle holes; 66-ring-shaped piece; 67-a spring; 68-a lamp holder;

71-a lift cylinder; 72-a baffle; 73-laser ranging device; 74-light hole; 75-track; 76-monitor mount; 77-a camera assembly; 78-temperature probe; 79-voice reminding device;

81-a clamping seat; 82-bendable metal tubes; 83-electric base plate; 84-LED lamps; 85-temperature sensor; 86-a camera; 87-soft magnetic blocks;

91-tail gas conveying pipe; 92-a suction device; 93-a gas analyzer; 94-an air inlet funnel; 95-ring shaped retaining clips; 96-ring-shaped tube seat; 97-micro fan; 98-an impeller; 99-rotatable seal seat.

Detailed Description

While the present invention has been described in terms of certain specific embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, it being understood that the described embodiments are illustrative of some, but not all, of the embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 2, the invention provides an agricultural machine maintenance device based on big data, which comprises a lifting support device 1 and an oil pumping device 2 positioned on one side of the lifting support device 1, and comprises the lifting support device 1, wherein the lifting support device 1 comprises a rectangular base 11, four vertical oil cylinders 12 are installed at the top end of the rectangular base 11, the top ends of the four vertical oil cylinders 12 are connected with a support plate 3 together, the agricultural machine on the support plate 3 is lifted together through the four vertical oil cylinders 12, so that the agricultural machine maintenance device is more stable, the four vertical oil cylinders 12 are lifted or lowered simultaneously, the top ends of the four vertical oil cylinders 12 are the same in height, and the levelness of the support plate 3 is ensured. Still can set up the spirit level in backup pad 3 to measure backup pad 3's levelness, the position of being convenient for adjustment backup pad 3 guarantees that its levelness reaches the requirement, thereby guarantees agricultural machinery's stability and fault detection's accuracy.

Four walking wheels 13 are installed through the shaft in the 11 bottoms of rectangular base, and walking wheel 13 is connected with walking actuating mechanism, and walking actuating mechanism includes the motor, the gear drive who is connected with the motor constructs and transmission shaft, makes gear mechanism and shaft rotate through starter motor to drive walking wheel 13 and rotate, make maintenance equipment shift convenient and fast more.

The lifting support device 1 comprises a rectangular base 11, four vertical oil cylinders 12 are mounted at the top end of the rectangular base 11, the top ends of the four vertical oil cylinders 12 are connected with a support plate 3 together, auxiliary oil cylinders 14 mounted on the bottom surface of the rectangular base 11 are arranged right below the vertical oil cylinders 12, and the bottom ends of the auxiliary oil cylinders 14 are connected with anti-skidding support blocks 15. The anti-skid supporting land block 15 is made of steel materials, and the bottom end of the anti-skid supporting land block is provided with an anti-skid cushion pad made of rubber materials, so that the anti-skid supporting land block can play a role in skid resistance.

After the supporting device 1 walks to a specified place, the piston rod of the auxiliary oil cylinder 14 extends to enable the anti-skid supporting block 15 to be supported on the ground, at the moment, the anti-skid supporting block 15 and the walking wheel 13 are supported on the ground together, the pressure of the wheels is reduced, and the walking wheel 13 cannot rotate to walk due to the friction force between the anti-skid supporting block 15 and the ground, so that the braking effect is achieved, the stability of the position of the rectangular base 11 is improved, and the pressure bearing capacity of the rectangular base 11 is improved. If the lifting support device 1 needs to be transferred, the piston rod of the auxiliary oil cylinder 14 is retracted, so that the traveling wheels 13 can rotate.

After the agricultural machine runs or is hoisted on the supporting plate 3, the supporting plate 3 and the four vertical oil cylinders 12 bear the weight of the agricultural machine, the vertical oil cylinders 12 are stressed greatly, and the connecting area of the vertical oil cylinders 12 and the rectangular base 11 is small, so that the rectangular base 11 is stressed greatly. The design of the auxiliary oil cylinder 14 can well share the pressure of the rectangular base 11. Because the auxiliary oil cylinder 14 is positioned right below the vertical oil cylinder 12, namely the two oil cylinders are coaxial, part of the force for supporting the agricultural machinery by the vertical oil cylinder 12 is provided by the auxiliary oil cylinder 14, the supporting stability and the pressure bearing capacity are improved, and the service life of the lifting support device 1 is prolonged.

The right end of backup pad 3 articulates there is slope attachment strap 32, installs a plurality of anti-skidding sand grips 33 on the top surface of slope attachment strap 32, and it has a plurality of supplementary daggers 34 to articulate on the bottom surface of slope attachment strap 32, and one side of slope attachment strap 32 still is equipped with stretches out hydro-cylinder 35, stretches out hydro-cylinder 35 and installs on backup pad 3 right side bottom face, and the right-hand member that stretches out hydro-cylinder 35 is connected with extension layer board 36.

When the whole maintenance equipment needs to be transferred, the inclined access board 32 needs to be folded, at the moment, the extending oil cylinder 35 is started, the extending supporting plate 36 gradually extends rightwards to support the inclined access board 32 and the auxiliary supporting column 34, so that the bottom end of the access board is not in contact with the ground, and the transfer of the lifting supporting device 1 is not hindered. Similarly, when the extension supporting plate 36 is driven by the extension cylinder 35 to retract to the bottom end of the supporting plate 3, at this time, the bottom end of the inclined access plate 34 has no supporting force, so that the bottom ends of the inclined access plate 32 and the auxiliary supporting column 34 are automatically accessed to the ground under the action of gravity, and the time of manual operation is saved.

Before the agricultural machinery is not driven onto the support plate 3, the support plate 3 is lowered to the lowest position, at which the support plate 3 is closest to the ground and has a low center of gravity, which is more stable, and then the bottom of the right end of the inclined access plate 32 is brought into contact with the ground, and the bottom ends of the auxiliary stay posts 34, which are hinged, are also brought into contact with the ground due to gravity. After the rectangular base 11 is fixed, the bottom ends of the inclined butt strap 32 and the auxiliary support columns 34 are supported on the ground, the included angle between the inclined butt strap 32 and the top surface of the support plate 3 is 10-40 degrees, the inclined butt strap 32 forms a rising inclined plane, the agricultural machine is driven to pass through the inclined butt strap 32 and can easily reach the support plate 3, the auxiliary support columns 34 guide partial gravity of the agricultural machine to the ground, so that the deformation degree of the inclined butt strap 32 is reduced, the anti-skid convex strips 33 can play a role in skid resistance, the grabbing force and the friction force on the butt strap are larger when the agricultural machine runs, and the agricultural machine is more conveniently transferred to the support plate 3.

It should be added that, in order to avoid the situation that the lifting support device 1 is inclined due to pressure when the agricultural machinery runs from the right end of the support device to the support plate 3, the bottom end of the left side of the lifting support device 1 is provided with a liftable floor attaching plate, nail holes are formed in the floor attaching plate, and the floor attaching plate is nailed on the ground by using ground nails, so that the stability of the rectangular base 11 is ensured, the support plate 3 cannot be inclined in the process that the agricultural machinery runs to the support plate 3, and the safety and the stability of maintenance equipment are improved.

A plurality of anti-rolling devices 4 are installed to 3 bottoms in backup pad, and anti-rolling device 4 includes and installs a plurality of jacking cylinder 41 on 3 bottom surfaces of backup pad through the installation shell, and U-shaped ratchet board 42 is connected on jacking cylinder 41's piston rod top, is equipped with a plurality of board grooves 37 that allow U-shaped ratchet board 42 top to pass in the backup pad 3. After the agricultural machinery runs onto the supporting plate 3, the agricultural machinery is driven to be unstable on the lifting supporting device 1 for avoiding the rotation of tires of the agricultural machinery, and therefore, the anti-rolling device 4 is arranged.

The anti-toppling device 7 is further mounted on the side face of the supporting plate 3, the anti-toppling device 7 comprises a lifting oil cylinder 71 mounted at the bottom end of the outer side of the supporting plate 3 through an oil cylinder seat, a piston rod at the top end of the lifting oil cylinder 71 is connected with a baffle plate 72, a plurality of lifting grooves 38 are formed in the side portion of the supporting plate 3, and the baffle plate 72 slides up and down in the lifting grooves 38.

After the agricultural machinery runs to a proper position on the supporting plate 3, the agricultural machinery is positioned among the plurality of baffle plates 72 at the moment, the jacking oil cylinder 41 is started to enable the U-shaped clamping wheel plate 42 to ascend, the U-shaped clamping wheel plate 42 penetrates through the plate groove 37 at the moment, and the top end of the U-shaped clamping wheel plate 42 is clamped at the front side and the rear side of the tire of the agricultural machinery, so that the agricultural machinery is prevented from rotating due to gravity. The lifting oil cylinder 71 is also started to enable the baffle 72 to ascend in the lifting groove 38, and the baffle 72 is enclosed on the side face of the agricultural machine after ascending to a certain height, so that the agricultural machine is prevented from toppling or inclining to a certain extent, the situation that the agricultural machine falls off from the supporting plate 3 due to instability is avoided, and the safety of overhauling the agricultural machine is greatly improved.

The interior of the baffle plate 72 is provided with a plurality of laser ranging devices 73 through mounting holes, and the baffle plate 72 is provided with a plurality of light holes 74 for allowing laser to pass through. Mounting hole moonlight hole 74 communicates, and laser ranging device 73 installs in the inside of baffle 72, can effectively avoid the agricultural machinery to touch laser ranging device 73, also can prevent laser ranging device 73 along with the friction of baffle 72 lift in-process with backup pad 3, has guaranteed the stable range finding function of quick-witted ranging device 73 of closing. In order to avoid the light of the laser ranging device 73 being blocked, the supporting block 18 is located at the bottom when the agricultural machinery is not supported, the laser horizontal height emitted by the laser ranging device 73 is higher than the top surface height of the supporting block 18, and the laser ranging is not affected at the moment.

The laser ranging device 73 can ascend or descend along with the baffle plate 72 so as to be adjusted to a proper position, and can detect whether the bottom surface of an oil tank at the bottom end of the agricultural machine or other equipment is horizontal or not, and if not, the bottom surface is convex or stuck with soil. At this time, the soil is preferably removed, which facilitates subsequent temperature measurement and further fault detection. If the bottom plane of the device is provided with the bulge, whether the device needs to be replaced or further maintained or not is considered, so that the service life of the agricultural machine is prolonged.

The side of the laser distance measuring device 73 is also provided with a laser horizontal measuring device, namely, a laser emitting device is arranged on one file 72, a laser receiving device is arranged on the other opposite baffle 72, and when the laser emitting device and the laser receiving device are at the same height and no obstacle exists between the laser emitting device and the laser receiving device, the laser receiving device can receive emitted laser. Make the laser emitter launch a branch of laser parallel with the horizontal plane behind the top surface that makes backup pad 3 is parallel with the horizontal plane, then lift baffle 72 makes laser press close to the minimum plane in agricultural machinery bottom, like the oil tank bottom surface, if light is blockked, explain that agricultural machinery position is not level, then whether it is not enough to inflate to need certain tire of inspection agricultural machinery, need in time to inspect the tire and be enough gas leakage, need in time to inflate or repair the tire and maintain, thereby more steady when making the agricultural machinery walking.

Install jacking device 16 on the top surface of backup pad 3, jacking device 16 includes a plurality of jacking hydro-cylinders 17 of installing on backup pad 3 top through the hydro-cylinder groove, and jacking hydro-cylinder 17 top piston rod fixedly connected with props up piece 18, and the side of baffle 72 is equipped with track 75, props up 18 sides and is equipped with and prescribes a limit to slider 19, prescribes a limit to slider 19 and slides from top to bottom in track 75. A rail 75 is arranged on the inner side of the baffle plate 72, and the limiting slide block 19 slides up and down in the rail 75, so that the supporting block 18 is more stably ascended and descended. Because sometimes need detect the obstacle problem of agricultural machine under operating condition, for example the walking drive problem of agricultural machinery, at this moment need start the agricultural machinery and make the wheel of agricultural machinery rotate, consequently set up jacking device 16 and make the agricultural machinery wheel rotate, be convenient for detect the agricultural machinery trouble under operating condition.

The supporting blocks 18 of the jacking device 16 are located at the bottom end of the agricultural machine and located on two sides of tires of the agricultural machine, and when the jacking oil cylinder 17 rises, at least four supporting surfaces on the front, the rear, the left and the right of the bottom surface of the agricultural machine are supported, so that the agricultural machine rises more stably, and after the supporting blocks 18 jack the agricultural machine, the baffle plate 72 can bear a part of lateral force, and the pressure bearing capacity of the jacking device 16 is improved. After the agricultural machine is supported by the jacking device 16, the tires of the agricultural machine only need to be separated from the top surface of the supporting plate 3 by 10-20cm, at the moment, the tires of the agricultural machine can rotate to detect the driving mechanism of the agricultural machine, the tail gas of the agricultural machine can also be detected, when the agricultural machine does not work, the tires of the agricultural machine can be conveniently overhauled or replaced, and the overhauling operation of the agricultural machine is facilitated.

As shown in fig. 4, the oil pumping device 2 includes an oil storage tank 21 mounted on the base, the oil storage tank 21 is fixed on the top surface of the rectangular base 11, an air suction pump 22 is mounted on the top end of the oil storage tank 21, the bottom end of the air suction pump 22 is connected with the top end of the left side of the oil storage tank 21 through an air suction pipe 23, the top end of the right side of the oil storage tank 21 is connected with an oil suction pipe 26, because the oil suction pipe 26 and the air suction pipe 23 are respectively located on both sides of the top end of the oil storage tank 21, when the air suction pump 22 is started, the agricultural oil is sucked into the oil storage tank 21 from the oil suction pipe 26 through the negative pressure of the gas in the oil storage tank 21, because the air suction pipe 23 is high, unless the oil level inside the oil storage tank 21 exceeds the bottom end opening of the air suction pipe 23, the oil cannot enter the air.

One end of the oil suction pipe 26 is connected with an oil nozzle 27, the oil suction pipe 26 can penetrate through the observation through groove 31, the oil nozzle 27 is aligned with an oil outlet of the agricultural machine, the oil nozzle 27 and the oil outlet are connected and fixed together in a spiral mode or through a connecting piece, the air suction pump 22 is started, engine oil or gasoline or diesel oil for the agricultural machine can be pumped into the oil storage tank 21 from an oil bin of the agricultural machine by utilizing gas pressure, analysis on the gasoline, the diesel oil or the engine oil is facilitated, and therefore information such as whether the engine oil is deteriorated and the combustion amount of the gasoline or the diesel oil is judged, and the reason that the agricultural machine breaks down is judged according to the information. Preferably, the super strong suction force of the air pump 22 not only accelerates the oil pumping efficiency, but also can draw out the viscous oil from the blocked pipeline, thereby solving the problem of oil pipe blockage of the agricultural machinery.

Deposit the left side of oil tank 21 and install oil level control device 5 through spout 24, the left side and the right side of spout 24 bottom all are equipped with oil outlet 25, oil level control device 5 is including inserting the lifter 51 of establishing in spout 24, the lifter 51 bottom is connected with piston block 52, piston block 52 establishes between two oil outlet 25, the level position of two oil outlet 25 is unanimous, piston block 52 is stifled between two oil outlet 25 under normal conditions, prevents to deposit oil tank 21 oil leak.

The extracted oil can be used for detection, for example, the quality of lubricating oil (engine oil) is detected, if the lubricating oil is deteriorated, the residual lubricating oil in the agricultural machine needs to be extracted firstly, and then new engine oil is injected to ensure the normal operation of a gear mechanism and a driving mechanism in the agricultural machine, prolong the service lives of a gear and a motor, and reduce noise and operation temperature. The extracted gasoline or diesel oil can also be used for detecting whether the gasoline or diesel oil is sufficiently combusted, if carbon deposition exists in the detected oil, the fuel oil is insufficient, a fuel oil system of the agricultural machinery is in failure, and the fuel oil system needs to be checked and maintained.

The top end of the lifting rod 51 is hinged with a lever 53, a pressure spring 57 is sleeved outside the lifting rod 51, the top end of the pressure spring 57 is connected with the lever 53, an annular sheet is fixed in the middle of the sliding groove 24 and connected with the bottom end of the pressure spring 57, and the annular sheet is sleeved outside the lifting rod 51 and plays a role in supporting the pressure spring 57. The middle of the lever 53 is movably arranged at the top of the sliding chute 24 through a fixed shaft 54, the right end of the lever 53 extends into the oil storage tank 21 and is connected with a vertical rod 55, and the bottom end of the vertical rod 55 is connected with a foam floater 56. The foam float 56 is made of plastic foam material, and a sealed space is arranged inside, so that the buoyancy of the foam float 56 is larger, and the oil level control is more accurate.

The principle of the oil level control device 5 automatically controlling the height of the oil level is as follows:

the distance between the foam float 56 and the bottom surface of the inner wall of the oil reservoir tank 21 is two thirds of the height of the interior of the oil reservoir tank 21. After pumping to the inside back of oil storage tank 21, the oil level can rise slowly, if the oil level surpasses when oil storage tank 21 internal volume two thirds, oil can contact with foam float 56, foam float 56 rises gradually under the buoyancy, thereby make vertical pole 55 rise, vertical pole 55 drives lever 53 right-hand member and rises, the left end descends, lever 53 is rotatory anticlockwise around fixed axle 54 promptly, lever 53 left end descends, make lifter 51 descend, pressure spring 57 compresses this moment, piston block 52 descends, thereby make no longer have the jam between two oil outlet 25, unnecessary oil flows out from oil outlet 25, avoid the oil level too high and influence the smoking operation, also avoided oil to be inhaled aspiration pump 22. After the oil level is reduced to less than two thirds of the volume of the oil storage tank 21, the buoyancy of the foam float 56 is gradually reduced, and at the moment, the elastic restoring force of the pressure spring 57 enables the lifting rod 51 to rise, so that the piston block 52 is plugged between the two oil outlet holes 52 again, the oil pumped into the oil storage tank is prevented from flowing away completely, and a part of the oil is left in the oil storage tank 21 to be used as a detection sample.

As shown in fig. 3, an observation through groove 31 is formed in the center of the bottom end of the support plate 3, and an operator or a maintenance worker can directly observe the bottom equipment of the agricultural machine, such as an oil tank, an engine, a gear, a brake, a transmission mechanism and the like, from the observation through groove 31. The through hole area of the observation through groove 31 is one third to one fourth of the area of the bottom surface of the agricultural machine, so that the maintenance range of the bottom equipment of the agricultural machine for an operator is ensured to be large enough. Jacking device 16, anti-overturning device 7 all are located the outside of observing through groove 31, do not lie in the inside of observing through groove 31 promptly, and the agricultural machinery goes to backup pad 3 after, can not make the tire of agricultural machinery sink in observing through groove, avoid the inspection that the agricultural machinery slope caused inconvenient and park the unstability.

As shown in figure 5, still install a plurality of adjustable searchlighting devices 6 on the bottom surface of backup pad 3, because after backup pad 3 supported agricultural machinery, the bottom can be dark relatively, consequently set up the searchlighting device, make light illuminate the bottom of agricultural machinery, make things convenient for operating personnel to overhaul agricultural machinery. For making things convenient for maintenance personal to stand and examine or maintain the bottom of agricultural machinery in the bottom of backup pad 3, the maximum distance that backup pad 3 can rise is 2 meters, and the distance accessible between backup pad 3 and the rectangle base 11 adjusts the telescopic stroke of vertical hydro-cylinder 12 and changes the distance between the two to adjust the height of agricultural machinery in backup pad 3 according to maintenance personal's height, do not need lie prone or squat down when making maintenance personal work, promoted the comfort level of maintenance greatly.

The adjustable searchlight device 6 comprises a frame 61 arranged on the bottom surface of the support plate 3, the middle part and the bottom end of the frame 61 are respectively and movably provided with a transverse shaft 62 and a longitudinal sliding rod 63, the middle part of the transverse shaft 62 is provided with a lamp holder 68 through a cylindrical block 64, the lamp holder 68 is provided with a bulb, the bulb is powered by a battery, and the cylindrical block 64 is internally provided with a battery jar, so that the battery is more convenient to install. The side of the cylindrical block 64 is provided with a plurality of fixed angle holes 65 allowing the top ends of the longitudinal sliding rods 63 to be inserted, the middle parts of the longitudinal sliding rods 63 are provided with annular sheets 66, the annular sheets 66 are connected with the bottom of the frame 61 through springs 67, and one ends of the transverse shaft 62 and the longitudinal sliding rods 63 are connected with handles.

The adjusting steps of the light irradiation angle of the adjustable searchlight device 6 are as follows:

initially, the top end of the longitudinal sliding rod 63 is inserted into the fixed angle hole 65, and at this time, the position of the cylindrical block 64 is fixed. The handle at the bottom end of the longitudinal slide bar 63 is pulled to enable the position of the longitudinal slide bar 63 to descend, the spring 67 contracts, the top end of the longitudinal slide bar 63 exits the fixed angle hole 65, at the moment, the handle at one end of the transverse shaft 62 can be rotated to enable the cylindrical block 64 to rotate, the cylindrical block 64 enables the lamp holder 68 and the bulb to rotate, therefore, the lamp light irradiates to the part needing to be overhauled at the bottom end of the agricultural machine, the lamp light is adjusted more conveniently, after the light irradiation angle is adjusted, the handle of the longitudinal slide bar 63 is loosened, at the moment, under the action of the elastic restoring force of the spring 67, the top end of the longitudinal slide bar 63 is inserted into the fixed angle hole.

As shown in fig. 6 and 7, the side wall of the observation through slot 31 is provided with a temperature detection device 8 and an exhaust gas delivery pipe 91, the temperature detection device 8 includes a bendable metal pipe 82 installed on the side wall of the observation through slot 31 through a clamping seat 81, the bendable metal pipe 82 is a metal shaped hose, a wire of a certain size can pass through the pipe hole, the bendable metal pipe is a hose capable of being bent into a certain shape at will in a three-dimensional space and maintaining the shape, and the LED lamp 84, the camera 86 and the temperature sensor 85 can extend into the bottom end of the agricultural machine so as to detect more devices.

Because the light of the adjustable searchlighting device 6 can not be detected inside the bottom end of the agricultural machinery which is close to the nearest distance, the bendable metal tube 82 is arranged, so that the light of the LED lamp 84 can be irradiated to the part to be detected more closely and directly, the detection is more careful, and the inspection is more accurate. And the bendable metal pipe 82 can keep the shape after being bent, thereby saving the trouble of holding the detection device by hands, enabling the temperature sensor 85 to be directly attached to the part to be detected of the agricultural machine, and enabling the camera 86 to continuously monitor the dynamic working or static rest condition of the bottom end part of the agricultural machine.

It should be added that the camera 86 is provided with a voice recognition module, and can transmit voice to the terminal, and then further judge whether the working state of the gear, the internal combustion engine or other components is normal according to the fixed voice in the starting and working processes of the agricultural machinery, and judge the fault part of the agricultural machinery through sound, light, color and temperature, so that the judgment basis is more, and the detection of the fault of the agricultural machinery is more scientific and accurate.

The top end of the bendable metal tube 82 is connected with an electric power seat plate 83, the electric power seat plate 83 is provided with an LED lamp 84, a camera 86 and a temperature sensor 85, the top end of the electric power seat plate 83 is also provided with a soft magnetic block 87, and wires of the LED lamp 84, the camera 86 and the temperature sensor 85 are connected with a power supply through the inside of the bendable metal tube 82. The power adopts battery or battery, and the power accessible battery holder is installed on the bottom surface of backup pad 3, the convenient change.

The camera 86 and the temperature sensor 85 are both connected with a single chip microcomputer, the single chip microcomputer is connected with a display, the camera 86 and the temperature sensor 85 monitor the appearance and the temperature of bottom end equipment or a shell of the agricultural machine and send monitoring results to the single chip microcomputer, and the single chip microcomputer conducts fault analysis on the monitoring results and sends analysis results to the display.

The detection steps of the temperature detection device 8 are as follows:

(1) after the agricultural machine is transferred to the supporting plate 3 and the supporting plate 3 is lifted to a proper height, an operator enters a space between the supporting plate 3 and the rectangular base 11, the bendable metal pipe 82 is bent to a proper height and a proper angle manually, then a probe for detecting the temperature of the temperature sensor 85 is in contact with a part of the agricultural machine to be detected with the temperature, such as the outer wall of an oil tank and the shell of a motor to wait for a detection part, the camera 86 is started, the LED lamp 84 illuminates the part to be detected, and the operator can conveniently observe whether a fault part is damaged. After the temperature sensor 85 sends the detected temperature data to the single chip microcomputer, the temperature data is compared with a preset temperature standard in the single chip microcomputer, if the detected temperature is higher than the standard, the heating temperature 9 is higher than the normal temperature, the part detected by the temperature sensor 85 is abnormal, and fault detection and maintenance are required to be carried out step by step.

(2) Operators in the internal region of the agricultural machine cannot clearly see the agricultural machine, the bendable metal pipe 82 can be twisted to enable the camera 86 to extend into the part which is difficult to observe by human eyes, and the camera 86 can clearly transmit the shape of the equipment shell in the bottom end of the agricultural machine and the running state to the display for human analysis by matching with light. If it is different with normal equipment to discover some positions to have deformation or colour, can further overhaul this shooting position, enlarged operating personnel's maintenance scope, some equipment need not dismantle just can overhaul, labour saving and time saving has improved maintenance efficiency.

The bottom end of the tail gas conveying pipe 91 is connected with a tail gas analysis device 9. Tail gas analytical equipment 9 is including establishing the device 92 of sending of inhaling at tail gas delivery pipe 91 middle part, it is including establishing the annular tube socket 96 at tail gas delivery pipe 91 middle part to inhale the device 92 of sending, the bottom at backup pad 3 is installed to annular tube 96 accessible mounting bracket, rotatable seal receptacle 99 is installed through the rectangular hole to the lateral part of annular tube socket 96, one side of rotatory seal receptacle 99 is articulated with annular tube socket 96, be equivalent to a rotatable and window of closing, the miniature fan 97 that is located annular tube socket 96 inner space is installed on the top of rotatable seal receptacle 99, the output shaft of miniature fan 97 has impeller 98, the side of rotatable seal receptacle 99 is through hasp lock and the lateral wall sealing connection in rectangular hole.

Annular tube seat 96 constitutes a sealed detachable annular tuber pipe jointly with rotary seal seat 99, and the rotary seal seat 99 outside is equipped with the sealing strip, and when rotary seal seat 99 closed, inside ventilation can not leak out, when rotary seal seat 99 was opened, can maintain or change micro-fan 97.

After the micro-fan 97 of the sucking and conveying device 92 is started, the impeller 98 is rotated, so that the waste gas enters the gas analyzer 93 more quickly, the gas analyzer has the effects of guiding the gas direction and accelerating the gas transfer speed, and the detection efficiency of the waste gas of the agricultural machinery is improved.

The bottom end of the tail gas conveying pipe 91 is connected with a gas analyzer 93, and the gas analyzer 93 is installed on the rectangular base 11 and does not occupy the space on the supporting plate 3. And the top end of the tail gas conveying pipe 91 is connected with an air inlet funnel 94, and one end of the air inlet funnel 94 is connected with an annular fixing clamp 95. The annular fixing clamp 95 can be clamped at the outlet of the agricultural waste gas discharge pipe to avoid impacting the air inlet funnel 94 due to the exhaust pressure, so that the stable connection of the tail gas conveying pipe 91 and the agricultural waste gas discharge pipe is ensured.

When the agricultural machinery is not started, the air inlet funnel 94 is clamped at the tail end of an agricultural machinery exhaust gas discharge pipe through the annular fixing clamp 95, then the agricultural machinery is started, a combustion engine of the agricultural machinery can burn gasoline or diesel oil to generate exhaust gas when working, the exhaust gas is discharged from the exhaust gas pipe and enters the gas analyzer 93 from the exhaust gas conveying pipe 91, the gas analyzer 93 detects the type and the content of gas existing in the exhaust gas of the agricultural machinery through a gas sensor in the gas analyzer, so that whether the gasoline or the diesel oil is sufficiently combusted by an oil combustion machine of the agricultural machinery is judged according to gas components, if the exhaust gas contains more carbon monoxide, the gasoline is insufficiently combusted, and at the moment, the internal combustion engine of the agricultural machinery needs to be overhauled to guarantee the complete function and the service life of the internal combustion engine of the agricultural machinery. If more carbon particles are generated due to insufficient combustion in the internal combustion engine, the oil in the oil tank needs to be pumped out and the oil way and the oil tank need to be cleaned, so that the smoothness of the oil way in the oil tank is ensured, the internal combustion engine is ensured to fully combust gasoline or diesel oil, the utilization rate of the oil is improved, and the oiling cost is saved.

As shown in fig. 8, the dynamic buffer monitoring device comprises a monitoring mounting seat 76 hung at the bottom of the agricultural machine through a plurality of steel wires, the steel wires can be detached, and the dynamic buffer monitoring device can be detached when the agricultural machine does not work or people are placed on the supporting plate 3 for maintenance. The height of the bottom surface of the monitoring mounting seat 76 is 10-20cm higher than that of the bottom surface of a tire of the agricultural machine, so that the monitoring mounting seat is prevented from being damaged by mopping.

The 76 tops of control mount pad are connected with the agricultural machine bottom through a plurality of extension springs, the extension spring plays the cushioning effect, because dynamic buffering monitoring devices is along with the agricultural machine work of going down the ground and the operating condition of real-time monitoring agricultural machine, consequently control mount pad 76 can vibrate along with the operation of agricultural machine, for reducing the influence that the vibration led to the fact to the monitoring, the extension spring with support the spring homoenergetic and play the effect of buffering, thereby make temperature probe 78 receive impact force and vibration still less, it is clearer to make the subassembly of making a video recording shoot control agricultural machine bottom equipment, it is more accurate.

Install camera module 77, temperature probe 78 on the control mount pad 76, still install pronunciation reminding device 79 in agricultural machine's the driver's cabin, pronunciation reminding device 79 also is through wifi subassembly and fault handling terminal wireless connection. The top end of the temperature probe 78 is connected with the outer wall of the agricultural machine oil tank through a suction nozzle, the suction nozzle can be made of soft magnetic materials, and the oil tank or the engine shell of the agricultural machine is generally made of steel materials, so that the suction nozzle can be adsorbed by the soft magnetic materials, the temperature measuring end of the temperature probe 78 is guaranteed to be attached to the part to be measured of the agricultural machine at any time, and the accuracy of temperature monitoring is guaranteed. The bottom shell of temperature probe 78 is connected with control mount pad 76 top surface through supporting spring, and the supporting spring plays the spring of supporting role promptly, plays the cushioning effect, reduces the influence that control mount pad 76 vibrates from top to bottom to the greedy picture of temperature is surveyed, has also improved the accuracy of temperature monitoring.

The camera component 77 can shoot dynamic pictures at the bottom end of the agricultural machinery during working, is provided with a voice recognition module, and can recognize images and sounds, so that the condition of equipment at the bottom end of the agricultural machinery is timely conveyed to a terminal. Subassembly 77 and temperature probe 78 all are connected with the singlechip of making a video recording, and subassembly 77 and temperature probe 78 all adopt the battery power supply to make a video recording, and the battery is installed on control mount pad 76, all overlaps in the outside of power, subassembly 77 and temperature probe 78 and is equipped with transparent protection casing, avoids dust or muddy water in the field to sputter on supervisory equipment and influence the control to the agricultural machinery.

The single chip microcomputer carries out wireless connection with the fault handling terminal through the wifi subassembly, and the wifi subassembly is connected with signal transmission end and signal receiving terminal, can launch and receive radio signal, is convenient for send the monitoring information of agricultural machinery to the terminal, also conveniently sends out trouble alarm to the navigating mate of agricultural machinery. A large number of fault expression examples and corresponding solutions of faults are stored in the fault processing terminal, and a reference direction is provided for operators to maintain agricultural machinery.

When agricultural machinery works in the field, the camera component 77 and the temperature probe 78 constantly monitor the working state and the temperature of the bottom end of the agricultural machine, then monitor information such as images, sounds and temperatures is sent to the single chip microcomputer, the single chip microcomputer sends to a fault processing terminal through a wifi component after certain processing, and therefore whether the agricultural machine has a fault in the working process is judged. If the fault is represented, the fault processing terminal sends an alarm to the voice reminding device 79 through wifi, so that an alarm is given, drivers of agricultural machinery are reminded of paying attention to the fault, the agricultural machinery needs to be driven to a maintenance place or maintenance equipment in time to be checked and maintained, the agricultural machinery is prevented from carrying out fault work, the fault of the agricultural machinery is prevented from being enlarged, the service life of the agricultural machinery is prolonged as far as possible, and loss caused by the fault is reduced.

As shown in FIG. 9, the invention also provides a method for maintaining, detecting and monitoring the agricultural machinery based on big data, which comprises the following steps:

the maintenance method is a method for checking, confirming and maintaining the agricultural machinery after the agricultural machinery is in fault or the fault position is known.

Step 100, driving or hoisting an agricultural machine to be maintained onto maintenance equipment, fixing the agricultural machine, and lifting the agricultural machine to a proper maintenance position;

step 200, establishing an agricultural machinery fault analysis and evaluation library, and making an agricultural machinery maintenance scheme;

and 300, repairing the agricultural machinery by an operator according to the maintenance scheme.

301, after detecting an accurate fault according to a maintenance scheme, an operator directly selects a set of most suitable repair scheme from the repair methods to repair the agricultural machinery;

and step 302, if the operator does not overhaul the fault part in the overhaul scheme, integrating a plurality of agricultural machinery experts for scheme analysis, establishing a new fault set and a new repair method set, storing the new fault set and the new repair method set into an agricultural machinery fault analysis and evaluation library, and checking and repairing the agricultural machinery again by the operator according to the opinions of the agricultural machinery experts and the repair scheme. The fault can be analyzed on the internet by the aggregation expert, the efficiency is improved, and if the fault performance described by the operating personnel is not detailed enough, the fault investigation accuracy can be improved by the agricultural machinery expert through in-person detection and investigation.

The agricultural machinery fault analysis and evaluation library comprises a fault expression acquisition unit, a fault storage unit, a fault analysis unit and a maintenance scheme, wherein the maintenance scheme comprises a suggested inspection part and a suggested repair method. The fault acquisition unit is used for collecting various faults of the previous agricultural machine and storing the faults in the fault storage unit, the fault analysis unit is used for analyzing the faults in the fault library, the fault analysis comprises suggested repair positions and suggested repair methods, the suggested repair positions and the suggested repair methods are manufactured into a repair scheme, and a maintenance worker can directly repair the agricultural machine according to the repair scheme, so that the maintenance efficiency is improved.

If the fault on the agricultural machine cannot be solved or searched in the agricultural machine fault analysis and evaluation library, agricultural machine experts are gathered for analysis at the moment, new agricultural machine faults and solutions are analyzed, and maintainers test the solutions one by one according to the fault solutions provided by the experts until the solutions are solved. After the solution is finished, new fault expression, fault positions and solutions are input into the agricultural machinery fault analysis and evaluation library, so that the next time the fault solution method in the agricultural machinery is directly utilized, and the maintenance time and the fault finding time are greatly saved. The agricultural machinery fault analysis and evaluation library is continuously enlarged, so that the fault category and the fault resolution time are prolonged, innovation is continuously performed, the change pace of agricultural machinery is kept, more kinds of agricultural machinery can be maintained, the maintenance efficiency of the agricultural machinery is improved, and the maintenance cost is saved.

The detection is needed before and after the agricultural machine is arranged in the field, so that the condition that the agricultural machine works with a fault to enlarge the fault is avoided, and the detection method comprises the following steps:

step 400, driving the agricultural machine onto a supporting device, and lifting the agricultural machine to a proper height to ensure the stability of the agricultural machine;

500, making a proper detection scheme according to the working performance of the agricultural machine;

and 600, detecting the agricultural machine by an operator according to the maintenance scheme, if the failure of the agricultural machine is detected, making a repair scheme according to the failure, and repairing the failure part of the agricultural machine according to the repair scheme.

The formulation of the detection scheme follows a fault priority principle, wherein the fault priority principle comprises the steps of judging whether a fault occurs according to the working performance of the agricultural machine, if the fault occurs, preferentially detecting the judged fault part, and if the fault does not occur, sequentially detecting all important parts of the agricultural machine in sequence.

After the agricultural machine is placed on the supporting plate, if the agricultural machine is in working and has fault performance, the part and the part which are possibly in fault are detected according to the fault performance, if the part has fault, the fault part is immediately repaired or replaced, and if the part has no fault, the fault detection is sequentially carried out on each important part or equipment of the agricultural machine, such as an engine, a tire, an oil tank and an internal combustion engine, so that the integrity of the important part of the agricultural machine is ensured, the fault occurrence rate is reduced, and the operation safety of the agricultural machine is improved. According to the principle of fault priority, all important parts of the agricultural machine are checked in sequence, and the detection efficiency of the agricultural machine is improved.

700, mounting dynamic buffer monitoring devices on the outer sides of an oil tank and an engine of the agricultural machine;

step 800, the monitoring device monitors various states of the agricultural machinery in work in real time and converts the states into transmittable data, and the sending device sends the working state of the equipment at the bottom end of the agricultural machinery to the fault processing terminal through wifi;

and 900, the fault processing terminal processes the monitoring data, compares the monitoring data with the fault library one by one, immediately sends an alarm after a fault is found, and reminds a driver of the agricultural machinery to make accurate operation.

The fault processing terminal comprises a receiving unit, an agricultural machine fault collection library, a classification unit, a processing unit and a decision unit, wherein the receiving unit receives various monitoring reports and data of agricultural machines, the classification unit divides various monitoring data according to categories, the processing unit compares the monitoring data with various fault data in the agricultural machine fault collection library, and the decision unit is in standby temporarily if the agricultural machines are not in fault; if the agricultural machinery is detected to be faulty, the decision unit makes a processing scheme and a reminding scheme, so that a driver can conveniently make correct operation in time.

The method comprises the steps of setting a fault processing terminal and a dynamic buffer monitoring device, monitoring the working state of the agricultural machine outdoors, sending the working state of the agricultural machine to the fault processing terminal in time in the form of images, sounds, data and the like, monitoring whether the working state of the agricultural machine is normal or not in real time, sending an alarm if the agricultural machine has fault characteristics, reminding a driver of the agricultural machine to drive the agricultural machine to a maintenance place for maintenance as soon as possible, avoiding the agricultural machine from working with faults, improving the working safety of the agricultural machine, improving the working efficiency of the maintained agricultural machine, finding out the faults of the agricultural machine in advance, and reducing the maintenance cost and loss of subsequent fault expansion.

Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The agricultural machine fault detection equipment based on big data is characterized by comprising a lifting support device (1), wherein the lifting support device (1) comprises a rectangular base (11), four vertical oil cylinders (12) are mounted at the top end of the rectangular base (11), a support plate (3) is commonly connected with the top ends of the four vertical oil cylinders (12), and a jacking device (16) is further mounted on the support plate (3);

anti-toppling device (7) are installed to the lateral part of backup pad (3), the bottom center of backup pad (3) is equipped with observes logical groove (31), it installs temperature-detecting device (8) and tail gas conveyer pipe (91) to observe on the lateral wall that leads to groove (31), tail gas conveyer pipe (91) bottom is connected with tail gas analysis device (9).

2. The agricultural machine fault detection device based on big data according to claim 1, wherein the anti-toppling device (7) comprises a lifting cylinder (71) installed at the bottom end of the support plate (3) through a cylinder seat, a baffle plate (72) is connected to a piston rod at the top end of the lifting cylinder (71), a plurality of lifting grooves (38) are formed in the side portion of the support plate (3), and the baffle plate (72) slides up and down in the lifting grooves (38).

3. An agricultural machine fault detection device based on big data according to claim 1, characterized in that, a plurality of laser distance measuring devices (73) are installed inside the baffle plate (72) through installation holes, and a plurality of light holes (74) allowing laser to pass through are arranged on the baffle plate (72).

4. The agricultural machine fault detection equipment based on big data according to claim 1, wherein the temperature detection device (8) comprises a bendable metal pipe (82) installed on the side wall of the observation through groove (31) through a clamping seat (81), the top end of the bendable metal pipe (82) is connected with an electric power seat plate (83), the electric power seat plate (83) is provided with an LED lamp (84), a camera (86) and a temperature sensor (85), the top end of the electric power seat plate (83) is also provided with a soft magnetic block (87), and the wires of the LED lamp (84), the camera (86) and the temperature sensor (85) are connected with a power supply through the inside of the bendable metal pipe (82).

5. The agricultural machine fault detection device based on big data according to claim 1, characterized in that, the tail gas analysis device (9) includes a suction device (92) arranged in the middle of the tail gas conveying pipe (91), the bottom end of the tail gas conveying pipe (91) is connected with a gas analyzer (93), the top end of the tail gas conveying pipe (91) is connected with an air inlet funnel (94), and one end of the air inlet funnel (94) is connected with an annular fixing clamp (95).

6. The agricultural machine fault detection device based on big data of claim 5, characterized in that, the suction device (92) includes an annular pipe seat (96) arranged in the middle of the tail gas delivery pipe (91), a rotatable sealing seat (99) is installed on the side of the annular pipe seat (96) through a rectangular hole, a micro-fan (97) located in the inner space of the annular pipe seat (96) is installed on the top end of the rotatable sealing seat (99), an impeller (98) is connected to the output shaft of the micro-fan (97), and the side of the rotatable sealing seat (99) is connected with the side wall of the rectangular hole in a sealing manner through a snap lock.

7. A big data-based agricultural machine fault detection method is characterized by comprising the following steps:

s300, detecting the agricultural machine according to the maintenance scheme by an operator, if the agricultural machine is detected to be in fault, making a repair scheme according to the fault, and repairing the fault part of the agricultural machine according to the repair scheme.

8. The method for agricultural machine detection based on big data according to claim 7, wherein the formulation of the detection scheme complies with a failure priority principle, the failure priority principle comprises firstly judging whether there is a failure according to the working performance of the agricultural machine, and if so, preferentially detecting the judged failure part; if no fault exists, all important parts of the agricultural machinery are sequentially detected.

9. The big data based agricultural machine inspection method according to claim 7, wherein the repair of the agricultural machine comprises the following steps: