CN111307531A - Grain inspection sampler for port and wharf - Google Patents
Grain inspection sampler for port and wharf Download PDFInfo
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- CN111307531A CN111307531A CN202010233838.0A CN202010233838A CN111307531A CN 111307531 A CN111307531 A CN 111307531A CN 202010233838 A CN202010233838 A CN 202010233838A CN 111307531 A CN111307531 A CN 111307531A
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- 238000007689 inspection Methods 0.000 title claims abstract description 73
- 230000007246 mechanism Effects 0.000 claims abstract description 131
- 238000005070 sampling Methods 0.000 claims abstract description 131
- 238000007599 discharging Methods 0.000 claims abstract description 37
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 17
- 238000006073 displacement reaction Methods 0.000 claims abstract description 5
- 239000000428 dust Substances 0.000 claims description 31
- 238000012423 maintenance Methods 0.000 claims description 11
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- 229910000831 Steel Inorganic materials 0.000 claims description 6
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- 239000012535 impurity Substances 0.000 abstract description 11
- 238000001514 detection method Methods 0.000 abstract description 2
- 235000013339 cereals Nutrition 0.000 description 181
- 239000000523 sample Substances 0.000 description 21
- 230000002035 prolonged effect Effects 0.000 description 4
- 230000001413 cellular effect Effects 0.000 description 3
- 230000001976 improved effect Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
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- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
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- 230000004888 barrier function Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N2001/1006—Dispersed solids
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N2001/1031—Sampling from special places
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Abstract
The invention discloses a grain inspection sampler for a port and wharf, which belongs to the field of grain sampling detection for shipping, and is used for solving the technical problems that manual sampling in the prior art is troublesome and labor-consuming, the sample representativeness is poor, and the higher the impurities are, the larger the error of an inspection result is, and the grain inspection sampler is provided with a trolley which can move in a direction perpendicular to the moving direction of a cart through a travelling mechanism; the connecting component is arranged on the trolley and is provided with a connecting arm which has a structure capable of flexibly displacing along with the displacement of the trolley or the trolley and has a stroke capable of extending or contracting in a direction vertical to the moving direction of the trolley and the trolley; the sampler body is fixedly connected to the tail end of the connecting arm; the sampler main body comprises a sampling mechanism, a negative pressure grain sucking mechanism and a grain discharging mechanism; a grain discharging door is arranged on the grain discharging mechanism; the bottom of the sampling machine main body is also provided with a stabilizing part which is used for contacting with the grain pile to stabilize the sampling machine main body.
Description
Technical Field
The invention relates to the technical field of grain sampling detection in shipping, in particular to a grain inspection sampler for a port and wharf.
Background
Grain quality inspection is a key link in grain acquisition work, grain samples are the main basis for determining the quality of a batch of grains in the inspection process, and the quality of the batch of grains can be truly reflected only by representative samples;
in recent years, most of grains in south China are transported in bulk by steamships, a single ship has large grain quantity, large sampling workload and high risk of getting on and off the ship, and simultaneously, the quality of the grains is uneven along with the marketization of grain purchase;
in the traditional technology, the main means for inspecting the grains is to adopt a manual sampler with a hand probe or a sleeve to manually sample, which is troublesome and laborious, the representativeness of the samples is poor, particularly, small impurities such as sand, soil and grass seeds and large impurities such as wheat straws cannot be sampled, and the higher the impurities, the larger the error of the grain inspection result is;
therefore, in view of the above problems, it is necessary to provide a grain inspection sampler for a port and a quay, which can improve the representativeness of a sample and truly reflect the quality of grains.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a grain inspection sampler for a port and wharf, which can automatically sample randomly, is convenient to use, improves the representativeness of samples and truly reflects the quality of grains.
In order to achieve the above purpose, the invention provides the following technical scheme:
the invention discloses a grain inspection sampler for a port and wharf, which comprises:
the trolley is arranged on the movable cart and can move in a direction perpendicular to the moving direction of the cart through the travelling mechanism;
a connecting assembly; the connecting component is arranged on the trolley, and is provided with a connecting arm which can flexibly displace along with the displacement of the trolley or the trolley and has a stroke which can extend or contract perpendicular to the moving direction of the trolley and the trolley;
the sampling machine main body is fixedly connected to the tail end of the connecting arm;
the sampler main body comprises a plurality of sampler mechanisms which can be inserted into the grain pile and extract grain samples at multiple points, a negative-pressure grain sucking mechanism which is communicated with the sampler mechanisms through pipelines and drives the sampler mechanisms to extract grain samples, and
the grain discharging mechanism is used for storing grain samples extracted by the negative pressure grain suction mechanism;
the grain discharging mechanism is provided with a grain discharging door for opening or closing the grain discharging mechanism;
the bottom of the sampling machine main body is also provided with a stabilizing part which is used for contacting with the grain pile to stabilize the sampling machine main body.
Further, the connecting assembly comprises a lifter, a second motor and the connecting arm arranged on the lifter;
the lifter can be connected to the trolley in a rotating mode, and the lifter is driven to rotate through the second motor, so that the connecting arm extends or contracts in stroke;
and a brake and a speed reducer are sequentially arranged between the lifter and the second motor.
Further, the connecting arm is a steel wire rope, and the tail end of the steel wire rope is fixedly connected with the sampler body through a lock catch.
Further, the trolley comprises a frame;
the lower part of the frame is provided with the travelling mechanism
The travelling mechanism comprises a driving shaft and a driven shaft;
the driving shaft and the driven shaft travel on a track of the cart through traveling wheels;
the upper part of the frame is provided with a first motor for driving the driving shaft to rotate;
the connecting components are distributed at four corners of the frame;
the two ends of the frame along the walking direction are provided with guardrails;
the lower part of the guardrail is provided with a buffer which is used for being in buffer contact with the barrier or the limit position.
Furthermore, a guide part is further arranged at the bottom of the frame and used for guiding the connecting arm to be parallel to the vertical axis of the sampler body;
the guide portion is in contact with the connecting arm through a rolling body.
Further, the sampler body comprises a base frame;
the base frame is of a cuboid structure, and the sampling mechanisms are arranged at four corners of the base frame;
the bottom of the base frame is provided with the stabilizing part corresponding to the position of the sampling mechanism;
the negative-pressure grain sucking mechanism and the grain discharging mechanism are integrated in the base frame;
the stabilizing part protrudes out of the lower surface of the base frame and can be embedded into the grain pile in an extending manner towards the grain pile;
an electrical component is integrated in the base frame;
the electric assembly comprises an auxiliary control cabinet which is in circuit communication with the control chamber and is used for controlling the operation of each moving part on the sampling machine main body.
Furthermore, a cold laser lamp used for positioning the sampling machine main body at the grain pile sampling position, a distance measuring sensor used for measuring the distance from the sampling machine main body to the grain pile and a distance measuring sensor used for measuring the distance from the sampling machine main body to the grain pile are further arranged on the lower surface of the base frame
The weight limiter is used for inducing the contact between the sampling machine main body and the grain pile;
the cold laser lamp is arranged on the base frame corresponding to the sampling mechanism;
and limit switches are uniformly distributed at the bottom end and the top end of the base frame corresponding to the position of the sampling mechanism and used for determining that the sampling mechanism moves to the limit position.
Further, the skewing mechanism comprises a skewer and a third motor for driving the skewer to move up and down;
the skewer comprises an inner tube with a skewer main body formed inside the skewer main body and a skewer clamp fixedly connected with the skewer main body;
the third motor is arranged at four corners of the bottom of the base frame;
the output shaft of the third motor is fixedly connected with a driving chain wheel, the driving chain wheel drives the skewer to move up and down through chain transmission, and the chain is fixedly connected with the skewer clamp;
the skewer main body and the inner tube are of a double-layer structure, a gap for air circulation is formed between the skewer main body and the inner tube, and the inner tube is communicated with the negative-pressure grain sucking mechanism pipeline;
the negative pressure grain sucking mechanism comprises an air compressor, a vacuum pump, a dust remover and a dust collecting hopper which are arranged on the base frame;
the vacuum pump is communicated with the sampling mechanism, the dust remover and the dust collecting hopper through pipelines;
the inlet of the dust collecting hopper is provided with a valve for opening or closing the inlet.
Furthermore, the grain discharging mechanism comprises a grid grain storage hopper arranged on the base frame;
the grid grain storage hopper is communicated with the negative pressure grain suction mechanism through a pipeline and stores grain samples sucked by the vacuum pump;
an open hopper is arranged at the bottom end of the grid grain storage hopper, and a grain placing door is installed at the inlet of the open hopper and used for opening or closing the open hopper.
Further, the test sample machine also comprises an overhauling base station for supporting and storing the sample machine main body;
the overhaul base platform comprises an overhaul base platform body;
stairs capable of stepping are formed on two sides of the maintenance platform body;
a stepped overhauling table matched with the external shape of the sampler main body is formed at the upper part of the overhauling table body;
a support for supporting the sample machine main body is formed on the stepped overhaul platform;
the support is in contact with the sampler body through a rubber pier.
In the technical scheme, the grain inspection sampler for the port and the wharf provided by the invention has the beneficial effects that:
1. according to the designed trolley, the trolley transversely walks on the trolley capable of longitudinally moving, so that the sampling machine main body can be moved in the longitudinal direction and the transverse direction, the trolley is flexibly hung on the sampling machine main body through the connecting arm of the connecting assembly, the sampling machine main body is moved in the height direction, the sampling machine main body is in contact with a grain pile, automatic random sampling can be realized, and the trolley is convenient to use;
2. according to the invention, a sampling mechanism, a negative pressure grain sucking mechanism and a grain discharging mechanism are integrated on the base frame arranged on the sampling machine main body, the sampling mechanism is used for sucking grain samples in an air conveying mode through the negative pressure grain sucking mechanism, dust and impurities in the grain samples can be sucked out simultaneously while the grain samples are sucked, the quality of the grains is truly reflected, and the representativeness of the samples is improved.
3. The inspection sampler designed by the invention also comprises an inspection base station, the sampler main body of the inspection base station is of a split structure, the inspection base station is integrally placed at the initial position of the inspection sampler, when the inspection sampler is not in operation, the sampler main body is placed on the inspection base station, and the sampler main body is supported and stored by the inspection base station, so that the connecting arm of the connecting assembly is in a loose state, the service lives of the sampler main body and the connecting assembly are prolonged, and meanwhile, the sampler main body is convenient to carry out daily inspection and maintenance.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a schematic overall structure diagram of a grain inspection sampler for a port and wharf, which is disclosed by the invention;
FIG. 2 is a schematic structural diagram of a grain inspection sampler trolley for a port and wharf, which is disclosed by the invention;
FIG. 3 is a top view of the grain inspection sampler trolley for the port wharf, which is disclosed by the invention;
FIG. 4 is a partial enlarged view of the grain inspection sampler trolley for the port wharf, which is disclosed by the invention;
FIG. 5 is a front view of a grain discharging mechanism integrated with a sampling machine main body frame of the grain inspection sampling machine for the port and wharf, which is disclosed by the invention;
FIG. 6 is a front view of the integrated negative pressure grain suction mechanism of the sampling machine main body frame of the grain inspection sampling machine for the port and wharf disclosed by the invention;
FIG. 7 is a left side view of the integrated negative pressure grain suction mechanism of the sampling machine main body frame of the grain inspection sampling machine for the port and wharf disclosed by the invention;
FIG. 8 is a sectional view of a sampler body A-A of the grain inspection sampler for the port wharf, which is disclosed by the invention;
FIG. 9 is a B-B cross-sectional view of a sampling machine body of the grain inspection sampling machine for the port wharf, which is disclosed by the invention;
FIG. 10 is a C-C section view of a sampling machine body of the grain inspection sampling machine for the port wharf, which is disclosed by the invention;
FIG. 11 is a D-D sectional view of a sampling machine body of the grain inspection sampling machine for the port wharf, which is disclosed by the invention;
FIG. 12 is a front view of the grain inspection sampler maintenance base for the port wharf disclosed by the invention;
fig. 13 is a top view of the grain inspection sampler maintenance base for the port wharf disclosed by the invention.
Description of reference numerals:
a cart 100;
a frame 110; a guard rail 111; a guide portion 112; a rolling body 113; a buffer 114;
a traveling mechanism 120; a first motor 121; a drive shaft 122;
a connecting assembly 200;
a lifter 210; a speed reducer 211; a brake 212; a second motor 213; the connecting arm 214, the catch 215;
a sampler body 300;
a base frame 310; a stabilizer 311; auxiliary control cabinet 312
A sampling mechanism 320; skewer 321: a skewer clamp 322; a third motor 323;
a negative pressure grain suction mechanism 330; an air compressor 331; a vacuum pump 332; a dust remover 333; a dust hopper 335;
a grain discharging mechanism 340; a grid division grain storage hopper 341; a grain discharge door 342; an open hopper 343;
a maintenance base 350; an inspection table body 351; a stepped overhaul stand 352; a stair 353; a support 354; a rubber pier 355.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1;
the invention discloses a grain inspection sampler for a port and a wharf, which comprises:
a cart 100 mounted on a movable cart and displaceable perpendicular to a moving direction of the cart by a traveling mechanism 120;
a connecting assembly 200; the connecting component 200 is provided with a connecting arm 214 which can flexibly move along with the displacement of the trolley 100 or the cart and has a stroke which can extend or contract in a direction vertical to the moving direction of the trolley 100 and the cart;
the sampling machine main body 300 is fixedly connected to the tail end of the connecting arm 214;
the sampling machine main body 300 comprises a sampling mechanism 320 which is provided with a plurality of sampling mechanisms 320 capable of penetrating into the grain pile and extracting grain samples at multiple points, a negative pressure grain suction mechanism 330 which is communicated with the sampling mechanism 320 through pipelines and drives the sampling mechanism 320 to extract the grain samples, and
a grain discharging mechanism 340 for storing the grain sample extracted by the negative pressure grain suction mechanism 330;
the grain discharging mechanism 340 is provided with a grain discharging door 342 for opening or closing the grain discharging mechanism 340;
the bottom of the sampling machine main body 300 is also provided with a stabilizing part 311 for contacting with the grain pile to stabilize the sampling machine main body 300.
Specifically, as shown in fig. 1, the structure comprises a trolley 100, a connection assembly 200, and a sampler main body 300;
the cart is a cart capable of longitudinally walking on a ceiling in the prior art or other mechanisms capable of longitudinally walking in the prior art, and the cart is taken as an example;
the trolley 100 can vertically travel along the moving direction of the trolley through the traveling mechanism 120, the lower part of the trolley 100 is flexibly hung with the sampling machine main body 300 through the connecting arm 214 of the connecting assembly 200, when the connecting arm 214 is extended, the sampling machine main body 300 can be close to the grain pile, and when the connecting arm 214 is contracted, the sampling machine main body 300 can be far away from the grain pile;
the trolley 100, the connecting assembly 200 and the sampler body 300 are in circuit communication with an external control room, and the trolley 100, the connecting assembly 200 and the sampler body 300 are controlled to operate through the control room;
referring to fig. 5, 8-11, the sampler main body 300 is provided with four sampling mechanisms 320, the sampling mechanisms 320 can penetrate into the grain pile, each sampling mechanism 320 extracts grain samples in an air conveying mode through a negative pressure grain absorbing mechanism 330 and then conveys the grain samples into a grain discharging mechanism 340, the grain discharging mechanism 340 is provided with a grain discharging door 342, and the opening or closing of the grain discharging door 342 is controlled through an operation room;
the bottom of the sampling machine main body 300 is provided with a stabilizing part 311, when the sampling machine main body 300 is contacted with the grain pile, the stabilizing part 311 is embedded in the grain pile to ensure that the sampling machine main body 300 is stably contacted with the grain pile, and when sampling is carried out by the sampling mechanism 320, the sampling mechanism penetrates through the stabilizing part 311 to be inserted into the grain pile to suck grain samples;
the structure can move the sampling machine main body 300 in the longitudinal and transverse directions by horizontally walking the trolley 100 on a cart capable of longitudinally moving, the trolley 100 is flexibly hung on the sampling machine main body 300 through a connecting arm 214 of a connecting assembly 200, the height direction displacement of the sampling machine main body 300 is realized, the sampling machine main body 300 is in contact with a grain pile, the sampling can be automatically and randomly carried out, the use is convenient, the grain sample is extracted in a pneumatic conveying mode through a negative pressure grain sucking mechanism 330, the dust and impurities in the grain sample can be simultaneously sucked out to truly reflect the quality of the grain while the grain sample is extracted, and the representativeness of the sample is improved;
as shown in fig. 2-4;
preferably, the connecting assembly 200 includes a lifter 210 and a second motor 213, and a connecting arm 214 mounted on the lifter 210;
the lifter 210 can be connected to the trolley 100 in a rotating manner, and the lifter 210 is driven to rotate by the second motor 213, so that the connecting arm 214 extends or contracts in a stroke;
a brake 212 and a speed reducer 211 are further sequentially disposed between the lifter 210 and the second motor 213.
Specifically, the connecting assembly 200 includes four lifters 210 and a second motor 213;
the two ends of the second motor 213 are connected with the lifters 210 through the speed reducer 211 and the brake 212, the four lifters 210 are driven to rotate through the second motor 213, the lifters 210 can be winches in the prior art, the second motor 213 drives the winches to rotate so as to enable the connecting arm 214 to extend or contract in stroke, the connecting arm 214 is a steel wire rope, and the tail end of the steel wire rope is fixedly connected with the sampler main body 300 through the lock catch 215.
As shown in fig. 2;
preferably, the cart 100 includes a frame 110; the lower part of the frame 110 is provided with a traveling mechanism 120; the traveling mechanism 120 includes a driving shaft 122 and a driven shaft; the driving shaft 122 and the driven shaft run on the track of the cart through travelling wheels; the upper part of the frame 110 is provided with a first motor 121 for driving the driving shaft 122 to rotate; the four corners of the frame 110 are all provided with the connecting components 200; the two ends of the frame 110 along the walking direction are both provided with guardrails 111; the guard rail 111 is provided at a lower portion thereof with a bumper 114 for buffering contact with an obstacle or an extreme position.
Specifically, as shown in fig. 3, in the mechanism, a frame 110 is of a rectangular parallelepiped structure, two ends of the frame 110 in a traveling direction are both provided with a guardrail 111, a traveling mechanism 120 mounted at the lower part of the frame 110 includes a first motor 121, a driving shaft 122 and a driven shaft, the first motor 121 drives the driving shaft 122 to rotate through a chain, two ends of the driving shaft 122 and the driven shaft are both provided with traveling wheels, the trolley 100 travels on a track of a cart through the traveling wheels, the lower part of the guardrail 111 is provided with a buffer 114, and when the trolley 100 encounters an obstacle or an extreme position during traveling, the buffer 114 can buffer contact, which is beneficial to improving the stability of the trolley 100;
see fig. 2 and 3;
preferably, a guide part 112 is further arranged at the bottom of the frame 110 and used for guiding the connecting arm 214 to be parallel to the vertical axis of the sampler main body 300; the guide portion 112 is in contact with the connecting arm 214 via the rolling body 113.
Specifically, in the structure, the guide part 112 is further arranged at the bottom of the frame 110, the connecting arm 214 is guided by the guide part 112 to be parallel to the vertical axis of the sampler main body 300, the connecting arm 214 can vertically hoist the sampler main body 300, the guide part 112 is rotatably connected with the rolling body 113, the rotating direction of the rolling body 113 is perpendicular to the extending or contracting direction of the connecting arm 214, when the connecting arm 214 extends or contracts, the sliding contact of the guide part 112 when contacting the connecting arm 214 is converted into rolling contact through the rolling body 113, the friction force is reduced, and the service life of the guide part 112 is prolonged.
See FIGS. 5-11;
preferably, the sampler body 300 includes a base frame 310;
the base frame 310 is in a cuboid structure, and sampling mechanisms 320 are arranged at four corners of the base frame;
a stabilizing part 311 is formed at the bottom of the base frame 310 corresponding to the position of the sampling mechanism 320;
a negative pressure grain suction mechanism 330 and a grain discharging mechanism 340 are integrated in the base frame 310;
the stabilizing part 311 protrudes out of the lower surface of the base frame 310 and can be embedded into the grain pile in an extending way towards the grain pile;
the base frame 310 also integrates electrical components therein;
the electrical assembly includes a secondary control cabinet 312, the secondary control cabinet 312 being in electrical communication with the manipulation chamber for controlling the operation of the moving parts on the sampler body 300.
Specifically, referring to fig. 5, the sampling mechanisms 320 are respectively installed at four corners of the base frame 310 with a rectangular parallelepiped structure, the bottom of the base frame 310 is provided with a stabilizing portion 311 corresponding to the position of the sampling mechanism 320, the sampling mechanism 320 penetrates through the stabilizing portion 311 during sampling and then extends into the grain pile, the stabilizing portion 311 protrudes out of the lower surface of the base frame 310, when the base frame 310 falls onto the beam surface, the stabilizing portion 311 is embedded into the grain pile to avoid the sliding of the sampling mechanism 320 and the grain surface, which is favorable for ensuring that the base frame 310 can stably contact with the grain pile when the sampling mechanism 320 performs sampling;
referring to fig. 5, 6 and 7, a negative pressure grain sucking mechanism 330, a grain discharging mechanism 340 and a secondary control cabinet 312 are integrated in the base frame 310;
the negative pressure grain suction mechanism 330 and the grain discharging mechanism 340 are in circuit communication with the auxiliary control cabinet 312, the auxiliary control cabinet 312 is in circuit communication with the control room, and the operation of the action parts of the negative pressure grain suction mechanism 330 and the grain discharging mechanism 340 is controlled by the control room;
preferably, the lower surface of the base frame 310 is also provided with a cold laser lamp for positioning the sampling machine main body 300 at the grain pile sampling position, a distance measuring sensor for measuring the distance between the sampling machine main body 300 and the grain pile, and a weight limiter for sensing the contact between the sampling machine main body 300 and the grain pile;
a cold laser lamp is arranged on the base frame 310 corresponding to the sampling mechanism 320;
limit switches are uniformly arranged at the bottom end and the top end of the base frame 310 corresponding to the position of the sampling mechanism 320 and used for determining that the sampling mechanism 320 moves to the limit position.
Specifically, the lower surface of the base frame 310 is provided with a distance measuring sensor, and four cold laser lamps and four weight limits are distributed at positions corresponding to the sampling mechanism 320;
the cold laser lamp directly irradiates the grain surface, so that an operator can directly confirm the vertical position of the current sampling machine on the ship, the number of meters of the sampling machine main body 300 away from the grain surface is collected through the distance measuring sensor, the weight limiter senses that any point of weight is reduced after the sampling machine main body 300 falls to the grain pile and contacts with the beam surface, the sampling machine stops descending, and the sampling machine main body 300 is conveniently controlled;
as shown in fig. 5;
preferably, the skewing mechanism 320 comprises a skewer 321 and a third motor 323 driving the skewer 321 to displace up and down;
the skewer 321 comprises an inner tube with a skewer body formed inside the skewer body, and a skewer clamp 322 fixedly connected with the skewer body;
the four corners of the bottom of the base frame 310 are provided with third motors 323;
an output shaft of the third motor 323 is fixedly connected with a driving chain wheel, the driving chain wheel drives the skewer 321 to move up and down through chain transmission, and the chain is fixedly connected with the skewer clamp 322;
the skewer main body and the inner tube are of a double-layer structure, a gap for air circulation is formed between the skewer main body and the inner tube, and the inner tube is communicated with the negative-pressure grain sucking mechanism 330 through a pipeline;
the negative pressure grain sucking mechanism 330 comprises an air compressor 331, a vacuum pump 332, a dust remover 333 and an ash collecting hopper 335 which are arranged on the base frame 310;
the vacuum pump 332 is communicated with the sampling mechanism 320, the dust remover 333 and the dust collecting hopper 335 through pipelines;
the inlet of the hopper 335 is provided with a valve for opening or closing the inlet.
Specifically, referring to fig. 5 and 6, the skewer mechanism 320 comprises a skewer 321, a skewer clamp 322 and a third motor 323;
the third motor 323 is arranged at four corner positions at the bottom of the base frame 310, the third motor 323 and the skewer 321 are in chain transmission, a clamp of the skewer 321 is fixedly connected with a chain, the third motor 323 drives the chain to rotate to drive the skewer 321 to move up and down along the height direction of the base frame 310, the skewer main body and the inner tube are of a double-layer structure, a gap for air circulation is formed between the skewer main body and the inner tube, and the top end of the inner tube is communicated with a negative pressure grain suction mechanism 330 pipeline; the negative pressure grain suction mechanism 330 comprises an air compressor 331, a vacuum pump 332, a dust remover 333 and an ash collecting hopper 335, the vacuum pump 332 is communicated with the sampling mechanism 320, the dust remover 333, the ash collecting hopper 335 and a cellular grain storage hopper 341 through pipelines, and a valve for opening or closing an inlet is arranged at the inlet of the ash collecting hopper 335.
In this embodiment, the dust remover 333 is a saxolone dust remover used in the prior art;
the skewer 321 adopts a negative pressure fluid grain suction working mode, the air convection is increased by adopting a double-layer structure, a negative pressure pipeline of the vacuum pump 332 is directly connected with an inner pipe of the skewer 321, negative pressure fluid is generated at the lowest end of a grain suction pipe, the third motor 323 drives a chain to rotate to drive the skewer 321 to be inserted into a grain pile, so that a grain sample is taken out, and further explanation of the lifting structure of the skewer 321 can refer to Chinese invention patent with an authorization publication number of CN102305723B, a patent number of 201110135381.0 and a name of 'grain automatic sampling machine';
in the embodiment, the air compressor 331 is communicated with a valve pipeline arranged at the inlet of the grain discharging door 342 and the ash collecting hopper 335 and provides driving force for opening or closing the grain discharging door 342 and the valve;
the upper end of a vacuum pump 332 is communicated with a skewer 321 pipeline of the skewer mechanism 320 through a pipeline and provides a power source for grain suction of the skewer 321, a dust remover 333 and a cellular grain storage hopper 341 are sequentially connected to the pipeline at the lower end of the vacuum pump 332, impurities and grain samples are sucked by the skewer 321, separated from flowing air through the dust remover 333 and then fall into the cellular grain storage hopper 341, floating ash in the impurities and the grain samples is discharged into the dust collection hopper 335 through the dust remover 333, the floating ash is easy to float in the air, the weight is light, and almost no influence is caused on the impurity proportion (weight ratio) of the sample;
as shown in fig. 5;
preferably, the grain discharging mechanism 340 comprises a grid grain storage hopper 341 arranged on the base frame 310;
the grid grain storage hopper 341 is communicated with the negative pressure grain suction mechanism 330 through a pipeline and stores grain samples sucked by the vacuum pump 332;
an open hopper 343 is arranged at the bottom end of the grid grain storage hopper 341, and a grain discharge door 342 is installed at the inlet of the open hopper 343 and used for opening or closing the open hopper 343.
Specifically, as shown in fig. 5 and 6, the grain discharging mechanism 340 includes a grid-dividing grain storage hopper 341, after the negative pressure grain suction mechanism 330 sucks a grain sample, the grain sample enters the grid-dividing grain storage hopper 341 of the grain discharging mechanism 340 through a pipeline, an open hopper 343 is installed at the bottom end of the grid-dividing grain storage hopper 341, and a grain discharging door 342 is installed at an inlet of the open hopper 343; the open hopper 343 is opened when the inspection is convenient;
dust and impurities in the grain sample are sucked away by the dust remover 333 and discharged by the dust collecting hopper 335, and the inlet of the dust collecting hopper 335 is provided with a valve for opening or closing the inlet, so that the dust collecting hopper 335 can be conveniently opened during inspection.
See fig. 12, 13;
preferably, the test sample machine further comprises an inspection base 350 for supporting and storing the sample machine main body 300;
the overhaul base station 350 comprises an overhaul base body 351;
a stepped overhaul table 352 matched with the appearance structure of the sample machine main body 300 is formed at the upper part of the overhaul table body 351;
a support 354 for supporting the sample machine main body 300 is formed on the stepped overhaul platform 352;
the mount 354 is in contact with the sampler body 300 via an adhesive abutment 355.
Specifically, referring to fig. 12, the inspection sampler further comprises an inspection base 350, stairs 353 capable of stepping are formed on two sides of an inspection platform body 351 of the inspection base 350, a stepped inspection platform 352 is formed on the upper portion of the inspection platform body 351, and a support 354 of the stepped inspection platform 352 is in contact with the sampler main body 300 through a rubber pier 355;
the inspection base platform 350 is integrally placed at the initial position of the inspection sampler, when the inspection sampler is not in work, the sampler main body 300 is placed on the inspection base platform 350, and the inspection sampler main body 350 supports and stores the sampler main body 300, so that the connecting arm 214 of the connecting assembly 200 is in a loose state, the service lives of the sampler main body 300 and the connecting assembly 200 are prolonged, and meanwhile, the sampler main body 300 is convenient to carry out daily inspection and maintenance;
in the technical scheme, the grain inspection sampler for the port and the wharf is provided;
the using method comprises the following steps:
during sampling, the four vacuum pumps 332 and the air compressor 331 are automatically started, and suction is generated at the grain suction port of the sampling rod 321 by negative pressure;
the cart and the trolley 100 automatically move to a first coordinate point randomly generated by the system;
the sampling machine main body 300 descends and falls to the grain surface, when the sampling machine main body 300 contacts the grain surface, the weight limiter senses that any point of weight is reduced, and the sampling machine main body 300 stops descending;
the skewers 321 of the four sampling mechanisms 320 descend and are inserted into the grain surface until the current of the descending of the skewers 321 reaches the set current or the lower limit position of the skewers 321 stops descending;
the skewers 321 are raised until all four skewers 321 are raised to the upper limit position;
the sampling machine main body 300 rises to the upper limit position; completing sampling of the first coordinate point;
the cart and the trolley 100 automatically move to a second coordinate point randomly generated by the system, and the steps are executed to carry out next cycle sampling work;
after all the coordinate points of the set sampling times are executed, the sampler main body 300 is lifted to the upper limit position, the trolley 100 advances to the trolley advancing limit position, the cart moves to the original position, and the sampler main body 300 is right above the grain placing support;
the vacuum pump 332 is turned off, the sampling machine body 300 automatically descends until the sampling machine body 300 falls into the grain placing support, the grain placing door 342 is automatically opened, the grain placing door 342 is automatically closed after the grain placing is finished, the air compressor 331 is closed, and the sampling machine achieves good effects through tests and practical application of Taizhou Yihai wharf Limited companies.
Has the advantages that:
1. according to the designed trolley, the trolley transversely walks on the trolley capable of longitudinally moving, so that the sampling machine main body can be moved in the longitudinal direction and the transverse direction, the trolley is flexibly hung on the sampling machine main body through the connecting arm of the connecting assembly, the sampling machine main body is moved in the height direction, the sampling machine main body is in contact with a grain pile, automatic random sampling can be realized, and the trolley is convenient to use;
2. according to the invention, a sampling mechanism, a negative pressure grain sucking mechanism and a grain discharging mechanism are integrated on a base frame arranged on a sampling machine main body, the sampling mechanism is used for sucking grain samples in a wind conveying mode through the negative pressure grain sucking mechanism, dust and impurities in the grain samples can be sucked out simultaneously while the grain samples are sucked, the quality of the grains is truly reflected, and the representativeness of the samples is improved;
3. the inspection sampler designed by the invention also comprises an inspection base station, the sampler main body of the inspection base station is of a split structure, the inspection base station is integrally placed at the initial position of the inspection sampler, when the inspection sampler is not in operation, the sampler main body is placed on the inspection base station, and the sampler main body is supported and stored by the inspection base station, so that the connecting arm of the connecting assembly is in a loose state, the service lives of the sampler main body and the connecting assembly are prolonged, and meanwhile, the sampler main body is convenient to carry out daily inspection and maintenance.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (10)
1. Grain inspection sampler for port and wharf, its characterized in that includes:
a cart (100) which is mounted on a movable cart and can be displaced perpendicular to the moving direction of the cart by a traveling mechanism (120);
the connecting assembly (200) is arranged on the trolley (100), and the connecting assembly (200) is provided with a connecting arm (214) which can flexibly displace along with the displacement of the trolley (100) or the trolley and can extend or contract along a stroke perpendicular to the moving direction of the trolley (100) and the trolley;
the sample machine main body (300) is fixedly connected to the tail end of the connecting arm (214);
the sampling machine main body (300) comprises a sampling mechanism (320) which is provided with a plurality of sampling mechanisms (320) capable of extending into the grain pile and extracting grain samples at multiple points, a negative pressure grain sucking mechanism (330) which is communicated with the sampling mechanism (320) through a pipeline and drives the sampling mechanism (320) to extract the grain samples, and a negative pressure grain sucking mechanism
The grain discharging mechanism (340) is used for storing the grain samples extracted by the negative pressure grain suction mechanism (330);
the grain discharging mechanism (340) is provided with a grain discharging door (342) for opening or closing the grain discharging mechanism (340);
the bottom of the sampling machine main body (300) is also provided with a stabilizing part (311) which is used for contacting with the grain pile to stabilize the sampling machine main body (300).
2. The grain inspection sampler for the port wharf according to claim 1, wherein;
the connecting assembly (200) comprises a lifter (210), a second motor (213) and the connecting arm (214) arranged on the lifter (210);
the lifter (210) can be connected to the trolley (100) in a rotating mode, and the lifter (210) is driven to rotate through the second motor (213) so as to enable the connecting arm (214) to extend or retract for a stroke;
a brake (212) and a speed reducer (211) are sequentially arranged between the lifter (210) and the second motor (213).
3. The grain inspection sampler for the port and pier as claimed in claim 2, wherein;
the connecting arm (214) is a steel wire rope, and the tail end of the steel wire rope is fixedly connected with the sampling machine main body (300) through a lock catch (215).
4. The grain inspection sampler for the port terminal according to any one of claims 1 to 3, wherein;
the trolley (100) comprises a frame (110);
the lower part of the frame (110) is provided with the travelling mechanism (120);
the travelling mechanism (120) comprises a driving shaft (122) and a driven shaft;
the driving shaft (122) and the driven shaft run on a track of the cart through travelling wheels;
the upper part of the frame (110) is provided with a first motor (121) for driving the driving shaft (122) to rotate;
the connecting components (200) are distributed at four corners of the frame (110);
two ends of the frame (110) along the walking direction are provided with guardrails (111);
the lower part of the guardrail (111) is provided with a buffer (114) for buffer contact with an obstacle or an extreme position.
5. The grain inspection sampler for the port and pier as claimed in claim 4, wherein;
the bottom of the frame (110) is also provided with a guide part (112) for guiding the connecting arm (214) to be parallel to the vertical axis of the sample machine main body (300);
the guide part (112) is in contact with the connecting arm (214) via a rolling body (113).
6. The grain inspection sampler for the port wharf according to claim 1, wherein;
the sample machine body (300) comprises a base frame (310);
the base frame (310) is of a cuboid structure, and the sampling mechanisms (320) are arranged at four corners of the base frame;
the bottom of the base frame (310) is provided with the stabilizing part (311) corresponding to the position of the sampling mechanism (320);
the negative-pressure grain sucking mechanism (330) and the grain discharging mechanism (340) are integrated in the base frame (310);
the stabilizing part (311) protrudes out of the lower surface of the base frame (310) and can be embedded into the grain pile in an extending manner towards the grain pile;
the base frame (310) is internally integrated with an electric component;
the electrical assembly comprises a secondary control cabinet (312), and the secondary control cabinet (312) is in circuit communication with the manipulation chamber for controlling the operation of each moving part on the sample machine body (300).
7. The grain inspection sampler for the port and pier as claimed in claim 6, wherein;
the lower surface of the base frame (310) is also provided with a cold laser lamp for positioning the sampling machine main body (300) at the grain pile sampling position, a distance measuring sensor for measuring the distance from the sampling machine main body (300) to the grain pile, and
the weight limiter senses that the sample machine main body (300) is in contact with the grain pile;
the cold laser lamp is arranged on the base frame (310) corresponding to the sampling mechanism (320);
and limit switches are uniformly arranged at the bottom end and the top end of the base frame (310) corresponding to the position of the sampling mechanism (320) and used for determining that the sampling mechanism (320) moves to the limit position.
8. The grain inspection sampler for the port and pier as claimed in claim 6, wherein;
the skewer mechanism (320) comprises a skewer (321) and a third motor (323) for driving the skewer (321) to move up and down;
the skewer (321) comprises an inner tube with a skewer body formed inside the skewer body and a skewer clamp (322) fixedly connected with the skewer body;
the third motor (323) is arranged at four corners of the bottom of the base frame (310);
an output shaft of the third motor (323) is fixedly connected with a driving chain wheel, the driving chain wheel drives the skewer (321) to move up and down through chain transmission, and the chain is fixedly connected with the skewer clamp (322);
the skewer main body and the inner tube are of a double-layer structure, a gap for air circulation is formed between the skewer main body and the inner tube, and the inner tube is communicated with a negative-pressure grain sucking mechanism (330) through a pipeline;
the negative-pressure grain sucking mechanism (330) comprises an air compressor (331), a vacuum pump (332), a dust remover (333) and a dust collecting hopper (335) which are arranged on the base frame (310);
the vacuum pump (332) is communicated with the sampling mechanism (320), the dust remover (333) and the dust collecting hopper (335) in a pipeline way;
the inlet of the dust collecting hopper (335) is provided with a valve for opening or closing the inlet.
9. The grain inspection sampler for the port and pier as claimed in claim 8, wherein;
the grain discharging mechanism (340) comprises a grid grain storage hopper (341) arranged on the base frame (310);
the grid grain storage hopper (341) is communicated with the negative pressure grain suction mechanism (330) through a pipeline and stores grain samples sucked by the vacuum pump (332);
an open hopper (343) is arranged at the bottom end of the grid grain storage hopper (341), and a grain placing door (342) is installed at the inlet of the open hopper (343) and is used for opening or closing the open hopper (343).
10. The grain inspection sampler for the port wharf according to claim 1, wherein;
the sample machine also comprises an overhaul base station (350) for supporting and storing the sample machine main body (300);
the maintenance base station (350) comprises a maintenance station body (351);
stairs (353) capable of stepping are formed on two sides of the maintenance platform body (351);
a step-shaped overhaul table (352) matched with the appearance structure of the sample machine main body (300) is formed at the upper part of the overhaul table body (351);
a support (354) for supporting the sample machine main body (300) is formed on the stepped overhaul table (352);
the support (354) is in contact with the sample machine body (300) through a rubber pier (355).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010233838.0A CN111307531A (en) | 2020-03-30 | 2020-03-30 | Grain inspection sampler for port and wharf |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010233838.0A CN111307531A (en) | 2020-03-30 | 2020-03-30 | Grain inspection sampler for port and wharf |
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| CN111307531A true CN111307531A (en) | 2020-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010233838.0A Pending CN111307531A (en) | 2020-03-30 | 2020-03-30 | Grain inspection sampler for port and wharf |
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Cited By (3)
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| CN112394004A (en) * | 2020-10-14 | 2021-02-23 | 沈阳农业大学 | Automatic measurement system and measurement method for grain volume weight of large-scale grain depot |
| CN114955027A (en) * | 2022-05-20 | 2022-08-30 | 中储粮成都储藏研究院有限公司 | Grain skewing and packaging system and grain weighing warehousing recovery system |
| CN115683745A (en) * | 2023-01-03 | 2023-02-03 | 中储粮成都储藏研究院有限公司 | Intelligent sampling system based on grain purchasing |
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