CN109612778A - A kind of movable type sampling car and sampling method - Google Patents

Abstract

The invention discloses a kind of mobile sampling car and sampling methods, including car body, bracket and the sampler on bracket, the sampler includes the feeding mechanism on car body, storage hopper is equipped in the side on feeding mechanism top, conveying mechanism is equipped with below storage hopper, diversion trench is equipped in the lower section of conveying mechanism conveying end, rotation sampling mechanism is equipped in diversion trench, sample-discarding conveyor structure is equipped in water conservancy diversion trench bottom, sample divider is equipped in the lower section of rotation sampling mechanism, it further include control feeding mechanism, conveying mechanism, rotate sampling mechanism, sample-discarding conveyor structure and the PLC controller of sample divider work, work efficiency is high by the present invention, continuity is good, it can freely walk, anywhere, arda sampling operation.

Description

A kind of movable type sampling car and sampling method

Technical field

The present invention relates to detection technique field more particularly to a kind of mobile sampling cars and sampling method.

Background technique

Sampling is that the process of individual or sample is extracted from totality, continuous analog quantity with point discrete one by one come table Show.On harbour, generally require to detect the cargo of inlet and outlet, existing detection mode working efficiency is low, continuity compared with Difference, and cannot anywhere, arda sampling operation, influence the clearance speed of cargoes imported and exported.

Summary of the invention

Above-mentioned to solve the problems, such as, the present invention provides one kind, and work efficiency is high, and continuity is good, can freely walk, Anywhere, arda sampling operation mobile sampling car and sampling method.

The present invention solves the technical solution that above-mentioned technical problem uses are as follows: a kind of movable type sampling car, including it is moveable Car body, bracket and the sampler on bracket, the sampler include the feeding on car body with feeding funnel Mechanism, feeding funnel can bottom-up mobile conveying material, be equipped with storage hopper in the side on feeding mechanism top, storage hopper passes through up and down It is logical, the conveyer that the material that storage hopper leaks down can be carried out conveying and form stream during transportation is equipped with below storage hopper Structure, feeding funnel, which is promoted at storing quarrel, topples over material into storage hopper, is equipped with water conservancy diversion in the lower section of conveying mechanism conveying end Slot, being equipped in diversion trench can be to sample room every the rotation sampling mechanism of sampling, and rotation can be sampled by being equipped in water conservancy diversion trench bottom The waste sample of mechanism conveying not being sampled is delivered to the sample-discarding conveyor structure on the outside of car body, in the lower section of rotation sampling mechanism It further include control feeding mechanism, conveying mechanism, rotation equipped with the sample divider for taking out sample for holding rotation sampling mechanism The PLC controller of sampling mechanism, sample-discarding conveyor structure and sample divider work.

A kind of above-mentioned mobile sampling car, the feeding mechanism include hang on car body and with the oblique fixation of car body Fixed bracket is equipped with limit switch A in fixed cradle top, and feeding funnel touches conveyer after limit switch A in moving process Structure work, the mobile bracket connecting with fixed bracket slide are respectively equipped with and fixed holder pivots in fixed bracket upper and lower ends The sprocket wheel of connection is connected with transmission chain between two sprocket wheels, and transmission chain is fixed with mobile bracket, is connected with deceleration in a chain wheel end Motor, the feeding funnel are set on mobile bracket, and feeding funnel bottom end is equipped with limit switch B, and feeding funnel is moved to after having sent material After fixed frame bottom touching limit switch B, decelerating motor stop working, decelerating motor, limit switch A and limit switch B with PLC controller electrical connection, the non-charge end of feeding funnel and the mobile bracket are hinged, the charge end of feeding funnel and the mobile branch Telescopic telescopic rod is hinged between frame.

A kind of above-mentioned mobile sampling car, the conveying mechanism includes the support frame fixed with bracket, in support frame two End is rotatably connected to two belt wheels, and multiple carrying rollers are rotatably connected between two belt wheels, and the lower section of carrying roller is equipped with to be rotated with support frame The belt roller of connection is equipped with the supporting carrier roller being rotatablely connected with support frame in carrying roller two sides, and the supporting carrier roller is angularly disposed, Intermediate supports carrying roller is arranged to both ends belt wheel in herringbone, and carrying roller is arranged with carrying roller supported on both sides at isosceles trapezoid shape, belt wheel, It is connected with conveyer belt between carrying roller, belt roller and supporting carrier roller, passes through being supported in conveyer belt for carrying roller and supporting carrier roller Between form trapezoidal delivery chute, further include driving pulley rotation feeder motor, on another belt wheel side be equipped with for detecting band The sensors A of velocity of rotation is taken turns, feeder motor, sensors A are electrically connected with PLC controller,.

A kind of above-mentioned mobile sampling car, conveying mechanism underhung have what can be swept to conveyer belt to sweep machine Structure, the Gua Sao mechanism include the spring being set to below support frame and the scraper plate connecting with spring, are connected in scraper plate bottom Deflector, the deflector extend to above sample-discarding conveyor structure, and scraper plate top is contacted with the bottom of conveyer belt.

A kind of above-mentioned mobile sampling car, the rotation sampling mechanism includes the sampling bracket fixed with bracket, is being taken A sampling peck up and down is equipped with below sample bracket, the both ends of sampling peck are equipped with sample tap and are suspended in diversion trench, and two take Sample mouth converges at the lower section of material taking hopper into a collection material mouth, is connected with drive shaft in material taking hopper middle position, the drive shaft passes through Fixed speed reducer drives with sampling bracket, further includes the photoelectricity that collecting and sampling bucket number of revolutions is used for below sampling bracket It sensor, the photoelectric sensor and speed reducer and is electrically connected respectively with PLC controller.

A kind of above-mentioned mobile sampling car, the sample divider includes the sample support frame fixed with car body, in sample The lower section of product support frame is equipped with turntable, is fixed with shaft on turntable, is circumferentially uniformly fixed on the turntable, along shaft multiple Sample bucket, the dust cover of sample bucket protect can be offered by being equipped in the outside of sample support frame on the dust cover Material receiving port is fixed with the servo motor for drive shaft rotation on shield, and servo motor is electrically connected with PLC controller, Servo motor driving sample bucket turns to progress sample collection storage at material receiving port, further includes being set between collection material mouth and material receiving port Sample collection tube.

A kind of above-mentioned mobile sampling car, the sample-discarding conveyor structure includes the backgauge frame being fixedly connected with bracket, The both ends of backgauge frame are rotatably connected to two belt pulley for feeding foil, and multiple belt wheels with the rotation connection of backgauge frame are equipped between two belt pulley for feeding foil Carrying roller is connected between two belt pulley for feeding foil and belt wheel carrying roller and abandons sample conveyer belt, is equipped with and backgauge in the output end for abandoning sample conveyer belt The fixed abandoning sample deflector of frame, the belt pulley for feeding foil is by motor driven, and side is equipped with for detecting on another belt pulley for feeding foil The sensor B of belt pulley for feeding foil velocity of rotation, motor, sensor B are electrically connected with PLC controller, further include being set to backgauge frame two sides Striker plate.

A kind of above-mentioned mobile sampling car, is equipped with the fixed frame fixed with car body, solid below sample-discarding conveyor structure Determine to slidably connect on frame can for feeding mechanism, conveying mechanism, rotation sampling mechanism, sample-discarding conveyor structure, sample divider and The generator of PLC controller offer power supply.

A kind of above-mentioned mobile sampling car, the conveying mechanism, rotation sampling mechanism, sample-discarding conveyor structure, sample are received A shield is equipped on the outside of storage and generator, storage hopper side is connected with vibration motor, be equipped on shield it is multiple with it is anti- The hinged maintenance door used for overhaul of shield, maintenance door are fixed by door lock and shield, in the protection for abandoning sample conveyer belt one end Delivery outlet is offered on cover, abandoning sample deflector stretching delivery outlet is simultaneously down-set.

The method that above-mentioned mobile sampling car is sampled, comprising the following steps:

(1) sampling car drives to material heap, mobile generator starting；

(2) forklift is shoveled from material heap takes sample appropriate to be packed into the feeding funnel on feeding mechanism；

(3) the limit switch A of fixed cradle top is touched in the feeding funnel lifting process on feeding mechanism, conveying mechanism starts to transport Row, after conveying mechanism is run 2 seconds, the operation of sample-discarding conveyor structure；

(4) feeding funnel overturning is driven by telescopic rod when feeding funnel is promoted to hopper mouth, sample is poured into storage hopper, Sample is gathered in storage hopper to be fallen on following conveying mechanism；

(5) sample forms uniform sample flow on the conveyor, and sampling mechanism is rotated after 0.5 second and is brought into operation, according to sample Flow length be arranged number of revolutions, sample flow length compared with it is long when number of revolutions it is few, sample flow length relatively hold when number of revolutions it is more, sample Rotation sample divider is fallen into, discarded sample falls on sample-discarding conveyor structure and is transported to outside car body；

After the completion of (6) sample collections, rotation sample divider rotation is primary, and sample bucket empty barrel goes to material receiving port position and waits for With；

(7) generator does not stop, but feeding mechanism, conveying mechanism, rotation sampling mechanism, sample-discarding conveyor structure and rotation sample are received Storage is out of service, and sampling car drives towards next material heap, repeats above step.

The beneficial effects of the present invention are: this sampling car can self-generating supply, and walking freely facilitates, and is controlled using PLC Device control processed, ensure that control precision, improve the working efficiency and continuity of sampling, and sampling process is easy, and whole process only needs Sampling car operation, ensure that the validity of sample, and using not by place, regional effect, can anywhere, region completes to take Sample operation.

Detailed description of the invention

Fig. 1 is schematic diagram of internal structure of the invention；

Fig. 2 is overall structure diagram of the invention；

Fig. 3 is the overall structure diagram of feeding mechanism；

Fig. 4 is the main view of conveying mechanism；

Fig. 5 is the side view of conveying mechanism；

Fig. 6 is the top view of conveying mechanism；

Fig. 7 is the partial enlarged view of part A in Fig. 6；

Fig. 8 is the overall structure diagram of Gua Sao mechanism；

Fig. 9 is the overall structure diagram for rotating sampling mechanism；

Figure 10 is the main view of sample-discarding conveyor structure；

Figure 11 is the side view of sample-discarding conveyor structure；

Figure 12 is the overall structure figure of sample divider；

Figure 13 is the local structural graph of sample divider.

Specific embodiment

With reference to the accompanying drawing and specific embodiment is described in further details the present invention.

As shown in Fig. 1 to 13, it is a kind of movable type sampling car, including moveable car body 1, bracket 2 and be set to bracket 2 on Sampler 3, the sampler 3 includes the feeding mechanism 5 on the car body 1 with feeding funnel 4, the feeding mechanism 5 Including hanging on the fixation bracket 6 on car body 1 and with the oblique fixation of car body 1, it is equipped with limit switch A66 at the top of fixed bracket 6, Conveying mechanism 17 works after feeding funnel 4 touches limit switch A66 in moving process, and fixed bracket 6 is angularly disposed L-type slot Steel 7, the mobile bracket 38 being slidably connected with fixed bracket 6, specifically two sides are fixed with and the cooperation of channel steel 7 on mobile bracket 38 Sheave, sheave slide in channel steel 7, fixed 6 upper and lower ends of bracket be respectively equipped with the sprocket wheel 8 being rotatablely connected with fixed bracket 6, 9, it is rotatablely connected in such a way that bearing connects, to be connected with transmission chain 10 between two sprocket wheels 8,9, is not close between transmission chain 10 Conjunction state, transmission chain 10 and mobile bracket 38 are fixed, i.e., the inc one end of transmission chain 10 is fixed with mobile 38 top of bracket, pass The dynamic inc other end of chain 10 is fixed with mobile 38 bottom end of bracket, and in bottom, the end of sprocket wheel 8 is connected with decelerating motor 11, institute It states feeding funnel 4 to be set on mobile bracket 38, feeding funnel 4 is spoon type, and 4 bottom end of feeding funnel is equipped with limit switch B67, feeding funnel 4 Sent after being moved to fixed 6 bottom of bracket touching limit switch B67 after material, decelerating motor 11 stops working, feeding funnel 4 it is non- Charge end 12 and the mobile bracket 38 are hinged, and being hinged between the charge end 13 of feeding funnel 4 and the mobile bracket 38 can stretch The telescopic rod 14 of contracting, telescopic rod 14 are any one in cylinder, hydraulic cylinder or electric cylinder；

Feeding funnel 4 can carry out bottom-up movement on fixed bracket 6 and convey material under the drive of transmission chain 10, send Expect that the side on 5 top of mechanism is equipped with the storage hopper 15 fixed with bracket 2, in 15 peripheral hardware limit switches of storage hopper, limit switch It is not provided in figure, up and down, the top dimension of storage hopper 15 is greater than bottom size to storage hopper 15, to prevent material to be sticked to storage In hopper 15, vibration motor 16 is connected on the outside of storage hopper 15；

Being equipped with below storage hopper 15 can carry out conveying the material that storage hopper 15 leaks down and form stream during transportation Conveying mechanism 17, conveying mechanism 17 works after feeding funnel 4 touches limit switch in moving process, conveys end in conveying mechanism 17 The lower section at end is equipped with diversion trench 18, and feeding funnel 4 is promoted at 15 mouthfuls of storage hopper drives it to storing by the stretching of telescopic rod 14 Material is toppled in bucket 15, the conveying mechanism 17 includes the support frame 19 fixed with bracket 2, is rotatablely connected at 19 both ends of support frame There are two belt wheels 20,21, is rotatably connected to multiple carrying rollers 22 between two belt wheels 20,21, the lower section of carrying roller 22 is equipped with and support frame The belt roller 23 of 19 rotation connections, rotation connection are bearing connection, are equipped in 22 two sides of carrying roller and rotate company with support frame 19 The supporting carrier roller 24 connect, is specifically vertically and fixedly provided with supporting vertical plate 25 on support frame 19, and supporting carrier roller 24 passes through bearing and support Vertical plate 25 connects, and the supporting carrier roller 24 is angularly disposed, and intermediate supports carrying roller 24 is arranged to both ends belt wheel 20,21 in herringbone, Carrying roller 22 is arranged with carrying roller 24 supported on both sides at isosceles trapezoid shape, in belt wheel 20,21, carrying roller 22, belt roller 23 and support Conveyer belt 26 is connected between carrying roller 24, by carrying roller 22 and supporting carrier roller 24 be supported among conveyer belt 26 formed it is trapezoidal defeated Slot is sent, prevents material from trickling down from conveyer belt 26 during transportation, further includes the feeder motor 27 that driving pulley 20 rotates, Side is equipped with the sensors A 68 for detecting 21 velocity of rotation of belt wheel on another belt wheel 21；

17 underhung of conveying mechanism has what can be swept to conveyer belt 17 to sweep mechanism 28, and the Gua Sao mechanism 28 includes setting Spring 29 in the lower section of support frame 19 and the scraper plate 30 that connect with spring 29, at scraper plate bottom, 30 are connected with deflector 65, institute It states deflector 65 and extends to 42 top of sample-discarding conveyor structure, 30 top of deflector scraper plate is contacted with the bottom of conveyer belt 26, Scraper plate 30 is automatically adjusted by the spring 29 at both ends, it is ensured that scraper plate 30 can be closely tangent with 26 bottom of conveyer belt；

In diversion trench 18 be equipped with can to sample room every sampling rotation sampling mechanism 31, the rotation sampling mechanism 31 include with The fixed sampling bracket 32 of bracket 2, diversion trench 18 are fixedly connected with sampling bracket 32, are equipped with about one below sampling bracket 32 The sampling peck 33 of perforation, the both ends of sampling peck 33 are equipped with sample tap 34,35 and are suspended in diversion trench 18, two sample taps 34,35 The lower section of material taking hopper 33 is converged at into a collection material mouth 36, is connected with drive shaft 37, the drive shaft in 33 middle position of material taking hopper 37 are driven by the speed reducer 40 fixed with sampling bracket 32, further include being set to below sampling bracket 32 for collecting and sampling bucket 33 The photoelectric sensor 41 of number of revolutions；

It is delivered to outside car body 1 in 18 bottom of diversion trench equipped with the waste sample not being sampled that sampling mechanism 31 conveys can will be rotated The sample-discarding conveyor structure 42 of side, the sample-discarding conveyor structure 42 includes the backgauge frame 43 being fixedly connected with bracket 2, in backgauge frame 43 Both ends be rotatably connected to two belt pulley for feeding foil 44,45, be equipped with and multiple be rotatablely connected with backgauge frame 43 between two belt pulley for feeding foil 44,45 Belt wheel carrying roller 46, rotation connection using bearing connect, be connected between two belt pulley for feeding foil 44,45 and belt wheel carrying roller 46 abandon sample it is defeated Band 47 is sent, is equipped with the abandoning sample deflector 48 fixed with backgauge frame 43, the belt pulley for feeding foil 44 in the output end for abandoning sample conveyer belt 47 It is driven by motor 49, side is equipped with the sensor for detecting 45 velocity of rotation of belt pulley for feeding foil on another belt pulley for feeding foil 45 B69 further includes the striker plate 50 being fixedly connected with backgauge frame 43 set on 43 two sides of backgauge frame；

The sample divider 51 that sample is taken out for holding rotation sampling mechanism 31, institute are equipped in the lower section of rotation sampling mechanism 31 Stating sample divider 51 includes the sample support frame 52 fixed with car body 1, is equipped with turntable 53 in the lower section of sample support frame 52, It is fixed with shaft 54 on turntable 53, multiple sample buckets 55 is uniformly fixed on the turntable 53, along shaft 54 is circumferential, in sample branch The outside of support 52, which is equipped with, to offer material receiving port on the dust cover 56 to the dust cover 56 of sample bucket 55 protect 57, the servo motor 58 rotated for drive shaft 54 is fixed on shield 56, servo motor 58 drives 55 turns of sample bucket Progress sample collection storage at material receiving port 57 is moved, further includes the sample collection tube between collection material mouth 36 and material receiving port 57 59, the nozzle sizes of collecting pipe 59 are greater than the size of collection material mouth 36 and material receiving port 57；

It further include control feeding mechanism 5, conveying mechanism 17, rotation sampling mechanism 31, sample-discarding conveyor structure 42 and sample divider The PLC controllers of 51 work, PLC controller do not provide in figure, decelerating motor 11, limit switch A66 and limit switch B67 with PLC controller electrical connection, feeder motor 27, sensors A 68 are electrically connected with PLC controller, the photoelectric sensor 41 and deceleration It machine 40 and is electrically connected respectively with PLC controller, motor 49, sensor B69 are electrically connected with PLC controller, servo motor 58 and PLC Controller electrical connection；

The fixed frame 60 fixed with car body 1 is equipped with below sample-discarding conveyor structure 42, slidably connecting on fixed frame 60 to be Feeding mechanism 5, conveying mechanism 17, rotation sampling mechanism 31, sample-discarding conveyor structure 42, sample divider 51 and PLC controller mention The generator 61 of power supply source is slidably connected to be equipped with guide rail on fixed frame 60, and generator 61 is equipped with and is slidably connected with guide rail Pulley, sliding rail and pulley cooperation mode；

It is set on the outside of the conveying mechanism 17, rotation sampling mechanism 31, sample-discarding conveyor structure 42, sample divider 51 and generator 61 There is a shield 62, multiple used for overhaul maintenance doors 63 hinged with shield 62, maintenance door 63 are equipped on shield 62 It is fixed by door lock and shield 62, delivery outlet 64 is offered on the shield 62 for abandoning 47 one end of sample conveyer belt, abandons sample water conservancy diversion The stretching delivery outlet 64 of plate 48 is simultaneously down-set.

A kind of method that movable type sampling car is sampled, comprising the following steps:

(1) sampling car drives to material heap, and mobile generator 61 starts；

(2) forklift is shoveled from material heap takes sample appropriate to be packed into the feeding funnel 4 on feeding mechanism 5；

(3) the limit switch A66 at fixed 6 top of bracket, conveying mechanism are touched on feeding mechanism in 54 lifting process of feeding funnel 17 bring into operation, and after conveying mechanism 17 is run 2 seconds, sample-discarding conveyor structure 42 is run；

(4) it drives feeding funnel 4 to overturn by telescopic rod 14 when feeding funnel 4 is promoted to 15 oral area of storage hopper, sample is poured into storage In hopper 15, sample is gathered in storage hopper 15 to be fallen on following conveying mechanism 17；

(5) sample forms uniform sample flow on conveying mechanism 17, and sampling mechanism 31 is rotated after 0.5 second and is brought into operation, according to Sample flow length be arranged number of revolutions, sample flow length compared with it is long when number of revolutions it is few, sample flow length relatively hold when number of revolutions it is more, Sample falls into sample divider 51, and discarded sample, which is fallen on sample-discarding conveyor structure 17, to be transported to outside car body 1；

After the completion of (6) sample collections, sample divider 51 is rotated once, and 55 empty barrel of sample bucket goes to 57 position of material receiving port and waits for With；

(7) generator 61 does not stop, but feeding mechanism 5, conveying mechanism 17, rotation sampling mechanism 31, sample-discarding conveyor structure 42 and Sample divider 51 is out of service, and sampling car drives towards next material heap, repeats above step.

Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention The limitation enclosed, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not Need to make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.

Claims (10)

1. a kind of movable type sampling car, exists including moveable car body, bracket and the sampler on bracket, feature In: the sampler includes the feeding mechanism on car body with feeding funnel, and feeding funnel can bottom-up mobile conveying object Material is equipped with storage hopper in the side on feeding mechanism top, and up and down, storage hopper can be leaked storage hopper by being equipped with below storage hopper Under material convey and form the conveying mechanism of stream during transportation, feeding funnel is promoted at storing quarrel to storing Material is toppled in bucket, is equipped with diversion trench in the lower section of conveying mechanism conveying end, being equipped in diversion trench can be to sample room every taking The rotation sampling mechanism of sample, the waste sample not being sampled for rotating sampling mechanism conveying can be conveyed by being equipped in water conservancy diversion trench bottom Sample-discarding conveyor structure on the outside of to car body is equipped in the lower section of rotation sampling mechanism and takes out sample for holding rotation sampling mechanism Sample divider, further include control feeding mechanism, conveying mechanism, rotation sampling mechanism, sample-discarding conveyor structure and sample collection The PLC controller of device work.

2. a kind of mobile sampling car according to claim 1, it is characterised in that: the feeding mechanism includes hanging on vehicle Fixation bracket on body and with the oblique fixation of car body is equipped with limit switch A in fixed cradle top, and feeding funnel is in moving process Conveying mechanism works after touching limit switch A, the mobile bracket connecting with fixed bracket slide, in fixed bracket upper and lower ends point The sprocket wheel that She You connect with fixed holder pivots is connected with transmission chain between two sprocket wheels, and transmission chain is fixed with bracket is moved, One chain wheel end is connected with decelerating motor, and the feeding funnel is set on mobile bracket, and feeding funnel bottom end is equipped with limit switch B, send Hopper has been sent fixed frame bottom touching limit switch B is moved to after material after, decelerating motor stop working, decelerating motor, limit Bit switch A and limit switch B are electrically connected with PLC controller, and the non-charge end of feeding funnel and the mobile bracket are hinged, feeding funnel Charge end and the mobile bracket between be hinged with telescopic telescopic rod.

3. a kind of mobile sampling car according to claim 1, it is characterised in that: the conveying mechanism includes solid with bracket Fixed support frame is rotatably connected to two belt wheels at support frame both ends, multiple carrying rollers is rotatably connected between two belt wheels, carrying roller Lower section is equipped with the belt roller being rotatablely connected with support frame, and the supporting carrier roller being rotatablely connected with support frame is equipped in carrying roller two sides, The supporting carrier roller is angularly disposed, and intermediate supports carrying roller is arranged to both ends belt wheel in herringbone, carrying roller and carrying roller supported on both sides at Isosceles trapezoid shape setting, is connected with conveyer belt between belt wheel, carrying roller, belt roller and supporting carrier roller, passes through carrying roller and branch Being supported among conveyer belt for bracketing roller forms trapezoidal delivery chute, further includes the feeder motor of driving pulley rotation, in another band Side is equipped with the sensors A for detecting belt wheel velocity of rotation on wheel, and feeder motor, sensors A are electrically connected with PLC controller,.

4. a kind of mobile sampling car according to claim 3, it is characterised in that: conveying mechanism underhung has can be to defeated Send the mechanism that sweeps that band swept, the Gua Sao mechanism includes spring below support frame and what is connect with spring scrape Plate is connected with deflector in scraper plate bottom, and the deflector extends to above sample-discarding conveyor structure, scraper plate top and conveyer belt Bottom contact.

5. a kind of mobile sampling car according to claim 1, it is characterised in that: the rotation sampling mechanism includes and branch The fixed sampling bracket of frame, is equipped with a sampling peck up and down below sampling bracket, and the both ends of sampling peck are equipped with sample tap And be suspended in diversion trench, two sample taps converge at the lower section of material taking hopper into a collection material mouth, are connected in material taking hopper middle position Drive shaft, the drive shaft are driven by the speed reducer fixed with sampling bracket, further include being set to below sampling bracket for receiving The photoelectric sensor for collecting sampling peck number of revolutions, the photoelectric sensor and speed reducer and is electrically connected with PLC controller respectively.

6. a kind of mobile sampling car according to claim 5, it is characterised in that: the sample divider includes and car body Fixed sample support frame is equipped with turntable in the lower section of sample support frame, is fixed with shaft on turntable, on the turntable, edge Shaft circumferentially is uniformly fixed with multiple sample buckets, the outside of sample support frame be equipped with can to sample bucket protect it is dust-proof It covers, offers material receiving port on the dust cover, the servo motor for drive shaft rotation, servo electricity are fixed on shield Machine is electrically connected with PLC controller, and it further includes setting that servo motor driving sample bucket, which turns to progress sample collection storage at material receiving port, Sample collection tube between collection material mouth and material receiving port.

7. a kind of mobile sampling car according to claim 5, it is characterised in that: the sample-discarding conveyor structure includes and branch The backgauge frame that frame is fixedly connected is rotatably connected to two belt pulley for feeding foil at the both ends of backgauge frame, is equipped between two belt pulley for feeding foil multiple It with the belt wheel carrying roller of backgauge frame rotation connection, is connected between two belt pulley for feeding foil and belt wheel carrying roller and abandons sample conveyer belt, sample is defeated abandoning The output end of band is sent to be equipped with the abandoning sample deflector fixed with backgauge frame, the belt pulley for feeding foil is by motor driven, in another conveying Side is equipped with the sensor B for detecting belt pulley for feeding foil velocity of rotation on belt wheel, and motor, sensor B and PLC controller are electrically connected It connects, further includes the striker plate set on backgauge frame two sides.

8. a kind of mobile sampling car according to claim 7, it is characterised in that: be equipped with below sample-discarding conveyor structure with The fixed fixed frame of car body, slidably connecting on fixed frame to be feeding mechanism, conveying mechanism, rotation sampling mechanism, abandoning sample Conveying mechanism, sample divider and PLC controller provide the generator of power supply.

9. a kind of mobile sampling car according to claim 8, it is characterised in that: the conveying mechanism, rotation sampler A shield is equipped on the outside of structure, sample-discarding conveyor structure, sample divider and generator, storage hopper side is connected with vibration motor, Multiple used for overhaul maintenance doors hinged with shield are equipped on shield, maintenance door is fixed by door lock and shield, Delivery outlet is offered on the shield for abandoning sample conveyer belt one end, abandoning sample deflector stretching delivery outlet is simultaneously down-set.

10. a kind of method being sampled using mobile sampling car described in claim 1, it is characterised in that: including following Step:

(1) sampling car drives to material heap, mobile generator starting；

(2) forklift is shoveled from material heap takes sample appropriate to be packed into the feeding funnel on feeding mechanism；

(3) the limit switch A of fixed cradle top is touched in the feeding funnel lifting process on feeding mechanism, conveying mechanism starts to transport Row, after conveying mechanism is run 2 seconds, the operation of sample-discarding conveyor structure；

(4) feeding funnel overturning is driven by telescopic rod when feeding funnel is promoted to hopper mouth, sample is poured into storage hopper, Sample is gathered in storage hopper to be fallen on following conveying mechanism；

(5) sample forms uniform sample flow on the conveyor, and sampling mechanism is rotated after 0.5 second and is brought into operation, according to sample Flow length be arranged number of revolutions, sample flow length compared with it is long when number of revolutions it is few, sample flow length relatively hold when number of revolutions it is more, sample Rotation sample divider is fallen into, discarded sample falls on sample-discarding conveyor structure and is transported to outside car body；

After the completion of (6) sample collections, rotation sample divider rotation is primary, and sample bucket empty barrel goes to material receiving port position and waits for With；

(7) generator does not stop, but feeding mechanism, conveying mechanism, rotation sampling mechanism, sample-discarding conveyor structure and rotation sample are received Storage is out of service, and sampling car drives towards next material heap, repeats above step.