CN220473074U

CN220473074U - Shelter type sampling quality inspection system

Info

Publication number: CN220473074U
Application number: CN202321407288.5U
Authority: CN
Inventors: 王军; 白栋
Original assignee: Anhui Kutu Electronic Technology Co ltd
Current assignee: Anhui Kutu Electronic Technology Co ltd
Priority date: 2023-06-02
Filing date: 2023-06-02
Publication date: 2024-02-09
Anticipated expiration: 2033-06-02

Abstract

The utility model relates to a shelter type sampling quality inspection system which comprises a shelter, a frame and a sampling machine, wherein a door is arranged on one side of the shelter, a supporting beam is arranged at the bottom of the shelter, and an opening is formed in the top of the shelter; the frame is located the shelter, the frame is installed on the supporting beam, the frame is followed the length direction of shelter extends, be used for installing quality testing equipment in the frame, the sampler is installed the top of frame, the sampler is used for taking a sample to the sample that detects. Compared with the prior art, in the transportation state, the sampler is contracted into the shelter, the quality inspection equipment is arranged in the frame, the sampler and the quality inspection equipment are assembled in advance, and the whole shelter is pulled away; when the square cabin is required to be used, the square cabin is installed at a proper position, and the sampler is used for sampling; the device is convenient to transport without separate transportation and temporary assembly, is directly used on site, and improves the installation efficiency.

Description

Shelter type sampling quality inspection system

Technical Field

The utility model relates to the technical field of sampling, in particular to a shelter type sampling quality inspection system.

Background

Prior art as in the patent publication No. CN218035872U, a mobile sampling assay center is disclosed, which comprises: the container is opened at the top, a plurality of rollers are arranged at the bottom of the container, and a grain barrel is arranged in the container; the rack is fixedly arranged at the top of the container, the top of the rack is connected with a sliding seat in a sliding manner, the top of the sliding seat is rotationally connected with a rotating seat, the direction of a rotating shaft of the rotating seat is the same as the height direction of the rack, the rotating seat is rotationally connected with a suspension arm, and one end of the suspension arm, which is far away from the rotating seat, is provided with a sampling tube along the height direction of the rack; the first driving assembly is used for driving the sliding seat to slide; the second driving component is used for driving the rotating seat to rotate; a third driving component for driving the suspension arm to rotate; and a conveying member for conveying the grains to be detected to the inside of the grain tank through the sampling tube.

In the process of implementing the present utility model, the inventor finds that the following problems exist in the prior art:

in the prior art, a sampler is arranged on a container, additional matching quality inspection equipment is needed, the sampler and the quality inspection equipment are needed to be transported to a formulated position respectively, and then the sampler and the quality inspection equipment are assembled and used, so that the sampler is inconvenient to transport and has low assembly efficiency.

Disclosure of Invention

In view of the above, the present application provides a shelter type sampling quality inspection system, which is used for solving the technical problems of inconvenient transportation and low assembly efficiency caused by the fact that in the prior art, a sampling machine is installed on a container, additional matching quality inspection equipment is needed, the sampling machine and the quality inspection equipment are needed to be transported to a formulated position respectively, and then the sampling machine and the quality inspection equipment are assembled and used.

To achieve the above object, in a first aspect, the present inventors provide a shelter type sampling quality inspection system, comprising:

the device comprises a square cabin, wherein a door is arranged on one side of the square cabin, a supporting beam is arranged at the bottom of the square cabin, and an opening is formed in the top of the square cabin;

a frame; the frame is positioned in the shelter, the frame is arranged on the supporting beam, the frame extends along the length direction of the shelter, the frame is internally provided with quality testing equipment, and

the sampler is arranged at the top of the rack and is used for sampling a sample to be detected.

Compared with the prior art, the square cabin is arranged on the technical scheme, and the top of the square cabin is provided with an opening; the frame is located the shelter, the frame is installed on the supporting beam, the frame is followed the length direction of shelter extends, be used for installing quality testing equipment in the frame, the sampler is installed the top of frame, the sampler is used for taking a sample to the sample that detects. In the transportation state, the sampler is contracted into the shelter, the quality inspection equipment is arranged in the frame, the sampler and the quality inspection equipment are assembled in advance, and the whole shelter is pulled away; when the square cabin is required to be used, the square cabin is installed at a proper position, and the sampler is used for sampling; the device is convenient to transport without separate transportation and temporary assembly, is directly used on site, and improves the installation efficiency.

As one embodiment of the utility model, the left and right ends of the shelter are provided with doors, and outer eaves are arranged above the doors at the left and right ends of the shelter. Therefore, the outer eave can conveniently shield wind and drain rain.

As one embodiment of the utility model, the front surface of the shelter is provided with an opening, and the back surface of the shelter is provided with a window and a door. Therefore, the front opening of the shelter is convenient for the installation of quality inspection equipment, and the back of the shelter is provided with the window and the door, so that the maintenance personnel can conveniently enter.

As one embodiment of the present utility model, the bottom of the shelter is provided with two or more support beams along the length direction of the shelter; the frame comprises more than two upright posts which are arranged corresponding to the supporting beam, and the upright posts are arranged on the supporting beam. In this way, more than two supporting beams are arranged at the bottom of the shelter along the length direction of the shelter; the frame comprises more than two upright posts which are arranged corresponding to the supporting beams, so that the shelter and the frame are stable in structure.

As one embodiment of the utility model, the structure of the back surface of the frame is the same as the structure of the front surface of the frame, so as to form a mounting frame, and the quality inspection equipment is mounted inside the mounting frame. Therefore, the quality inspection equipment is conveniently installed through the installation frame, and meanwhile, the sampler is stably installed.

As one embodiment of the utility model, the sampler comprises a fixed base assembly, a rotary lifting platform assembly, a pitching arm assembly and a sampling tube assembly, wherein the fixed base assembly is arranged on the frame, the rotary lifting platform assembly is arranged on the fixed base assembly, the pitching arm assembly is arranged on the rotary lifting platform assembly, and the sampling tube assembly is arranged on the pitching arm assembly; the fixed base assembly comprises a base extending along the length direction of the shelter, and the base is arranged at the top of the frame. Therefore, the movement, rotation, lifting and pitching adjustment of the sampling tube can be realized, and the sampling of the sampling tube is facilitated.

As one embodiment of the present utility model, the fixing base assembly includes a base and a first rail provided on the base, the first rail extending along a length direction of the base;

the rotary lifting platform assembly is arranged on the fixed base assembly in a sliding manner through the first rail, and comprises a sliding driving unit which is used for driving the rotary lifting platform to slide relatively along the extending direction of the first rail;

the pitching arm assembly is arranged on the rotary lifting platform assembly, the pitching arm assembly comprises a pitching arm, and the rotary lifting platform assembly further comprises a rotary driving unit for driving the pitching arm to rotate and a pitching driving unit for driving the pitching arm to pitch;

the pitching arm is provided with a second track, the sampling tube assembly is arranged on the pitching arm in a sliding manner through the second track, the second track extends along the length direction of the pitching arm, the sampling tube assembly comprises a mobile driving unit for driving the sampling tube assembly to relatively slide along the extending direction of the second track, and the sampling tube assembly further comprises a sampling tube, a sampling tube moving module for driving the sampling tube to move and a sampling tube swinging module for driving the sampling tube to rotate;

the sampling tube can be contracted to be parallel to the pitching arm through the cooperation of the movable driving unit, the sampling tube moving module and the sampling tube swinging module. So, through slip drive unit, gyration drive unit, every single move drive unit, remove drive unit, sampling pipe movable module and sampling pipe swing module, can realize the removal of 6 degrees of freedom of sampling pipe, convenient to use can adapt to the condition of the sample of various grains, accords with the demand to automation now, can take up the sampling pipe, be convenient for remove, convenient transportation.

As one embodiment of the utility model, the rotary lifting platform assembly further comprises a lifting platform, more than two guide posts and a lifting driving unit, wherein the more than two guide posts are arranged in an extending mode along the vertical direction, the lifting platform is arranged on the more than two guide posts in a sliding mode, and the lifting driving unit is used for driving the lifting platform to slide relatively along the extending direction of the guide posts. Thus, the lifting driving unit can lift the lifting platform upwards along the guide post by 350 mm.

As one embodiment of the utility model, the sampler comprises a negative pressure assembly, wherein the negative pressure assembly comprises a fan, a valve, a first three-way valve, a second three-way valve, a dust remover and a salon; one end of the second three-way valve is communicated with the saxophone, the saxophone is communicated with the dust remover, the dust remover is communicated with the first three-way valve, one end of the first three-way valve is communicated with the fan, the fan is communicated with the valve, the other end of the second three-way valve is communicated with the valve, and the other end of the first three-way valve is communicated with air. Therefore, the negative pressure grain suction of the sampling tube can be realized, the tube is blown back by positive pressure, and the sampling tube is convenient to use. The grain sucking is negative pressure, and the back blowing is positive pressure.

The foregoing summary is merely an overview of the present application, and is provided to enable one of ordinary skill in the art to make more clear the present application and to be practiced according to the teachings of the present application and to make more readily understood the above-described and other objects, features and advantages of the present application, as well as by reference to the following detailed description and accompanying drawings.

Drawings

The drawings are only for purposes of illustrating the principles, implementations, applications, features, and effects of the present application and are not to be construed as limiting the application.

In the drawings of the specification:

FIG. 1 is a schematic diagram of a shelter type sampling quality inspection system according to an embodiment of the present application;

FIG. 2 is a schematic view of a shelter type skewer sample testing system according to another embodiment of the present application;

FIG. 3 is a front view of a shelter type skewer sample testing system according to one embodiment of the present application;

FIG. 4 is a top view of a shelter type skewer sample testing system according to one embodiment of the present application;

FIG. 5 is a partial schematic diagram of a shelter type skewer quality testing system according to one embodiment of the present application;

FIG. 6 is a partial schematic diagram of a shelter type skewer quality testing system according to one embodiment of the present application;

fig. 7 is a schematic overall structure of a sampler according to one embodiment of the present application;

FIG. 8 is a schematic structural view of a pitch arm assembly according to one embodiment of the present application;

FIG. 9 is a schematic structural view of a swing lift platform assembly according to one embodiment of the present disclosure;

FIG. 10 is a schematic structural view of a sampling tube assembly according to one embodiment of the present application;

FIG. 11 is a schematic diagram of a negative pressure assembly according to one embodiment of the present disclosure;

FIG. 12 is a negative pressure grain sucking state diagram of the negative pressure assembly according to one embodiment of the present application;

fig. 13 is a positive pressure blowback use state diagram of the negative pressure assembly according to an embodiment of the present application.

Reference numerals referred to in the above drawings are explained as follows:

1. shelter, 11, door, 12, supporting beam, 13, opening, 14, outer eave, 15, window, 2, frame, 21, upright post,

3. sampling machine, 31, fixed base assembly, 32, rotary lifting platform assembly, 321, sliding driving unit, 322, rotary driving unit, 323, pitching driving unit, 326, lifting driving unit, 33, pitching arm assembly, 331, pitching arm 34, sampling tube assembly, 341, moving driving unit, 342, sampling tube moving module, 343, sampling tube swinging module, 344, sampling tube, 432, moving sliding table,

4. quality inspection equipment.

Detailed Description

In order to describe the possible application scenarios, technical principles, practical embodiments, and the like of the present application in detail, the following description is made with reference to the specific embodiments and the accompanying drawings. The embodiments described herein are only used to more clearly illustrate the technical solutions of the present application, and are therefore only used as examples and are not intended to limit the scope of protection of the present application.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The appearances of the phrase "in various places in the specification are not necessarily all referring to the same embodiment, nor are they particularly limited to independence or relevance from other embodiments. In principle, in the present application, as long as there is no technical contradiction or conflict, the technical features mentioned in the embodiments may be combined in any manner to form a corresponding implementable technical solution.

Unless defined otherwise, technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application pertains; the use of related terms herein is for the description of specific embodiments only and is not intended to limit the present application.

In the description of the present application, the term "and/or" is a representation for describing a logical relationship between objects, which means that there may be three relationships, e.g., a and/or B, representing: there are three cases, a, B, and both a and B. In addition, the character "/" herein generally indicates that the front-to-back associated object is an "or" logical relationship.

In this application, terms such as "first" and "second" are used merely to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual number, order, or sequence of such entities or operations.

Without further limitation, the use of the terms "comprising," "including," "having," or other like terms in this application is intended to cover a non-exclusive inclusion, such that a process, method, or article of manufacture that comprises a list of elements does not include additional elements but may include other elements not expressly listed or inherent to such process, method, or article of manufacture.

As in the understanding of the "examination guideline," the expressions "greater than", "less than", "exceeding", and the like are understood to exclude the present number in this application; the expressions "above", "below", "within" and the like are understood to include this number. Furthermore, in the description of the embodiments of the present application, the meaning of "a plurality of" is two or more (including two), and similarly, the expression "a plurality of" is also to be understood as such, for example, "a plurality of groups", "a plurality of" and the like, unless specifically defined otherwise.

In the description of the embodiments of the present application, spatially relative terms such as "center," "longitudinal," "transverse," "length," "width," "thickness," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "vertical," "top," "bottom," "inner," "outer," "clockwise," "counter-clockwise," "axial," "radial," "circumferential," etc., are used herein as terms of orientation or positional relationship based on the specific embodiments or figures, and are merely for convenience of description of the specific embodiments of the present application or ease of understanding of the reader, and do not indicate or imply that the devices or components referred to must have a particular position, a particular orientation, or be configured or operated in a particular orientation, and therefore are not to be construed as limiting of the embodiments of the present application.

Unless specifically stated or limited otherwise, in the description of the embodiments of the present application, the terms "mounted," "connected," "affixed," "disposed," and the like are to be construed broadly. For example, the "connection" may be a fixed connection, a detachable connection, or an integral arrangement; the device can be mechanically connected, electrically connected and communicated; it can be directly connected or indirectly connected through an intermediate medium; which may be a communication between two elements or an interaction between two elements. The specific meanings of the above terms in the embodiments of the present application can be understood by those skilled in the art to which the present application pertains according to the specific circumstances.

The shelter type sampling quality inspection system can be applied to various application scenes of grain sampling.

Referring to fig. 1 to 13, according to some embodiments of the present application, the present embodiment relates to a shelter 1 type sampling quality inspection system, which includes a shelter 1, a rack 2 and a sampling machine 3, wherein a door 11 is arranged on one side of the shelter 1, a support beam 12 is arranged at the bottom of the shelter 1, and an opening 13 is arranged at the top of the shelter 1; the frame 2 is located shelter 1, and frame 2 installs on supporting beam 12, and frame 2 extends along shelter 1's length direction, is used for installing quality testing equipment 4 in the frame 2, and sampler 3 is installed at frame 2's top, and sampler 3 is used for taking a sample to the sample that detects.

By being provided with the shelter 1, the top of the shelter 1 is provided with an opening 13; the frame 2 is located shelter 1, and frame 2 installs on supporting beam 12, and frame 2 extends along shelter 1's length direction, is used for installing quality testing equipment 4 in the frame 2, and sampler 3 is installed at frame 2's top, and sampler 3 is used for taking a sample to the sample that detects. Thus, in the transportation state, the sampler 3 is contracted into the shelter 1, the quality inspection equipment 4 is arranged in the frame 2, the sampler 3 and the quality inspection equipment 4 are assembled in advance, and the whole shelter 1 is pulled away; when the square cabin is required to be used, the square cabin 1 is installed at a proper position, and the sampler 3 is used for sampling; the device is convenient to transport without separate transportation and temporary assembly, is directly used on site, and improves the installation efficiency.

According to some embodiments of the present application, optionally, as shown in fig. 1 to 6, the left and right ends of the shelter 1 are provided with doors 11, and outer eaves 14 are provided above the doors 11 at the left and right ends of the shelter 1. Thus, the outer eave 14 can conveniently shield the wind and drain the rain.

According to some embodiments of the present application, optionally, the front side of the shelter 1 is provided with an opening 13, and the back side of the shelter 1 is provided with a window 15 and a door 11. Thus, the front opening 13 of the shelter 1 is convenient for installing the quality inspection equipment 4, and the back of the shelter 1 is provided with the window 15 and the door 11, so that the maintenance personnel can conveniently enter.

According to some embodiments of the present application, optionally, the bottom of the shelter 1 is provided with more than two support beams 12 along the length direction of the shelter 1; the frame 2 includes two or more columns 21 corresponding to the support beam 12, and the columns 21 are provided on the support beam 12. Thus, more than two support beams 12 are arranged along the length direction of the shelter 1 through the bottom of the shelter 1; the frame 2 comprises more than two upright posts 21 which are arranged corresponding to the supporting beams 12, so that the shelter 1 and the frame 2 are stable in structure.

According to some embodiments of the present application, optionally, the structure of the back of the rack 2 is identical to the structure of the front of the rack 2, forming a mounting frame inside which the quality inspection device 4 is mounted. Thus, the quality inspection device 4 is conveniently installed through the installation frame, and meanwhile, the sampler 3 is stably installed.

According to some embodiments of the present application, optionally, the sampler 3 includes a fixed base assembly 31, a rotary lifting platform assembly 32, a pitching arm assembly 33, and a sampling tube assembly 34, the fixed base assembly 31 is mounted on the frame 2, the rotary lifting platform assembly 32 is mounted on the fixed base assembly 31, the pitching arm assembly 33 is mounted on the rotary lifting platform assembly 32, and the sampling tube assembly 34 is mounted on the pitching arm assembly 33; the fixed base assembly 31 includes a base extending in the longitudinal direction of the shelter 1, the base being disposed on top of the frame 2. Thus, the movement, rotation, lifting and pitching adjustment of the sampling tube 344 can be realized, and the sampling of the sampling tube 344 is facilitated.

According to some embodiments of the present application, optionally, the fixed base assembly 31 includes a base and a first rail disposed on the base, the first rail extending along a length of the base;

the rotary lifting platform assembly 32 is slidably arranged on the fixed base assembly 31 through a first rail, and the rotary lifting platform comprises a sliding driving unit 321, wherein the sliding driving unit 321 is used for driving the rotary lifting platform to slide relatively along the extending direction of the first rail;

the pitching arm assembly 33 is arranged on the rotary lifting platform assembly 32, the pitching arm assembly 33 comprises a pitching arm 331, and the rotary lifting platform assembly 32 further comprises a rotary driving unit 322 for driving the pitching arm 331 to rotate and a pitching driving unit 323 for driving the pitching arm 331 to pitch;

the pitching arm 331 is provided with a second track, the sampling tube assembly 34 is arranged on the pitching arm 331 in a sliding manner through the second track, the second track extends along the length direction of the pitching arm 331, the sampling tube assembly 34 comprises a moving driving unit 341 for driving the sampling tube assembly 34 to relatively slide along the extending direction of the second track, and the sampling tube assembly 34 further comprises a sampling tube 344, a sampling tube moving module 342 for driving the sampling tube 344 to move and a sampling tube swinging module 343 for driving the sampling tube 344 to rotate;

the sampling tube 344 is retractable to be parallel to the pitch arm 331 by the engagement of the moving drive unit 341, the sampling tube moving module 342, and the sampling tube swinging module 343. So, through slip drive unit 321, gyration drive unit 322, every single move drive unit 323, remove drive unit 341, sampling pipe movable module 342 and sampling pipe swing module 343, can realize the removal of 3446 degrees of freedom of sampling pipe, convenient to use can adapt to the circumstances of the sample of various grains, accords with the demand to automation now, can take up sampling pipe 344, convenient to remove, convenient transportation.

According to some embodiments of the present application, optionally, the rotary lifting platform assembly 32 further includes a lifting platform, two or more guide posts and a lifting driving unit 326, where the two or more guide posts extend in a vertical direction, the lifting platform is slidably disposed on the two or more guide posts, and the lifting driving unit 326 is used to drive the lifting platform to slide relatively along the extending direction of the guide posts. In this way, the lift drive unit 326 is able to lift the lift platform up the guide post by a height of 350 mm.

According to some embodiments of the present application, optionally, the sampler 3 comprises a negative pressure assembly comprising a blower, a valve, a first three-way valve, a second three-way valve, a dust remover and a saxophone; one end of the second three-way valve is communicated with the saxophone, the saxophone is communicated with the dust remover, the dust remover is communicated with the first three-way valve, one end of the first three-way valve is communicated with the fan, the fan is communicated with the valve, the other end of the second three-way valve is communicated with the valve, and the other end of the first three-way valve is communicated with air. Thus, the negative pressure grain suction of the sampling pipe 344 can be realized, and the positive pressure back-blowing of the pipe is convenient for the use of the sampling pipe 344. The grain sucking is negative pressure, and the back blowing is positive pressure.

In this embodiment, the sampling tube moving module 342 includes a driving gear, an opening guide sleeve, a movable base, a traction rack and a driving motor, where the driving motor, the opening guide sleeve, the traction rack and the sampling tube 344 are disposed on the movable base, the traction rack extends along the length direction of the sampling tube 344, the driving gear and the traction rack are engaged with each other, and the driving motor is used for driving the gear to rotate, so as to drive the movable base to relatively slide along the extending direction of the traction rack, and the opening guide sleeve is used for guiding the sampling tube 344.

Thus, when in use, the driving motor drives the driving gear to rotate, and the driving gear drives the traction rack and the sampling tube 344 to move together, so that the sampling tube 344 is inserted into the grain pile suction grain opening guide sleeve to play a role in guiding and antifriction.

In this embodiment, the sampling tube moving module 342 includes four opening guide sleeves, the four opening guide sleeves are sequentially arranged on the movable base, the sampling tube 344 sequentially passes through the four opening guide sleeves, two opening guide sleeves are disposed on the left side of the driving motor, two opening guide sleeves are disposed on the right side of the driving motor, and a bushing is disposed in the opening guide sleeves.

Thus, by providing two open guide sleeves on each of the left and right sides of the driving motor, the movement stability of the sampling tube 344 is improved.

In this embodiment, be provided with swing arm assembly on the movable base, sampling tube swing module 343 includes the swing arm axle, remove slip table 432 and electric putter subassembly, swing arm assembly and movable base fixed connection, swing arm assembly includes the rotation hole with swing arm axle complex, swing arm axle rotates and sets up in the rotation hole, swing arm axle and remove slip table 432 fixed connection, swing arm assembly still includes the connecting portion of being connected with electric putter subassembly, electric putter subassembly is used for driving swing arm assembly, movable base is rotated around the swing arm axle to drive sampling tube 344 and rotate.

Thus, the electric push rod assembly is electrified to drive the swing arm assembly to rotate around the swing arm shaft, so that the sampling tube 344 is driven to be converted from a horizontal working condition with the pitching arm 331 to a vertical working condition with the ground, and vice versa.

In this embodiment, two second tracks parallel to each other are disposed on the pitching arm 331, the movable sliding table 432 is slidably disposed on the pitching arm 331 through the two second tracks, and the movable driving unit 341 is configured to drive the movable sliding table 432 to relatively move on the pitching arm 331 along the extending direction of the second tracks in a belt transmission manner.

In this way, the mobile driving unit 341 drives the mobile sliding table 432 to move on the pitching arm 331 along the second track in a belt transmission mode, and the pitching arm 331 is formed by welding profile steel, so that sufficient strength and rigidity are ensured.

In this embodiment, two first tracks arranged in parallel are disposed on the fixed base assembly 31, a movable rack is disposed between the two first tracks, the movable rack extends along the first tracks, and the sliding driving unit 321 is in transmission connection with the movable rack through a gear and is used for driving the rotary lifting platform to slide relatively along the extending direction of the first tracks.

Therefore, the gear and the rack are meshed, so that the whole lifting platform body is driven to move in the horizontal direction along the first track in the horizontal direction.

In this embodiment, the rotary lifting platform assembly 32 further includes a roller and a lifting platform, four corners of the lifting platform are respectively provided with a roller, the fixed base assembly 31 further includes a spacing square tube disposed on the base, the roller is disposed between the base and the spacing square tube, and the spacing square tube is used for limiting the roller.

Therefore, the base is matched with the limiting square tube, the freedom degree of the idler wheels connected with the lifting platform is limited, and the whole platform support is guaranteed not to overturn in the working process.

As shown in fig. 11, the negative pressure assembly mainly comprises a fan, a valve, a first three-way valve, a second three-way valve, a dust remover and a salon; one end of the second three-way valve is communicated with the saxophone, the saxophone is communicated with the dust remover, the dust remover is communicated with the first three-way valve, one end of the first three-way valve is communicated with the fan, the fan is communicated with the valve, the other end of the second three-way valve is communicated with the valve, and the other end of the first three-way valve is communicated with air. Thus, negative pressure grain suction to the sampling pipe 344 and positive pressure back-blowing through pipe can be realized.

Forward grain sucking mode, as shown in fig. 12: the sampling tube 344 sucks in the grains, the grains enter the saxophone through the second three-way valve, the grains enter the grain hopper through the bottom of the saxophone, the dust enters the dust remover, and the grains are discharged through the first three-way valve, the fan and the valve.

Reverse through pipe mode, as shown in fig. 13: air enters the fan, valve, second three-way valve through the first three-way valve to the sampling tube 344. The sampling tube 344 is reverse-vented. The grain sucking is negative pressure, and the back blowing is positive pressure.

It should be noted that, although the foregoing embodiments have been described herein, the scope of the present utility model is not limited thereby. Therefore, based on the innovative concepts of the present utility model, alterations and modifications to the embodiments described herein, or equivalent structures or equivalent flow transformations made by the present description and drawings, apply the above technical solutions directly or indirectly to other relevant technical fields, all of which are included in the scope of protection of the present patent.

Claims

1. A shelter style sampling quality inspection system, comprising:

2. The shelter type sample testing system of claim 1, wherein doors are arranged at the left end and the right end of the shelter, and outer eaves are arranged above the doors at the left end and the right end of the shelter.

3. The shelter type sample testing system of claim 1, in which the front of the shelter is provided with an opening and the back of the shelter is provided with a window and door.

4. The shelter type sampling quality inspection system of claim 1, wherein the bottom of the shelter is provided with more than two support beams along the length direction of the shelter;

the frame comprises more than two upright posts which are arranged corresponding to the supporting beam, and the upright posts are arranged on the supporting beam.

5. The shelter type sampling quality inspection system of claim 4, wherein the structure of the back of the rack is identical to the structure of the front of the rack, forming a mounting frame within which quality inspection equipment is mounted.

6. The shelter type sampling quality inspection system of claim 1, wherein the sampler comprises a fixed base assembly, a rotary lifting platform assembly, a pitching arm assembly and a sampling tube assembly, wherein the fixed base assembly is mounted on the frame, the rotary lifting platform assembly is mounted on the fixed base assembly, the pitching arm assembly is mounted on the rotary lifting platform assembly, and the sampling tube assembly is mounted on the pitching arm assembly;

the fixed base assembly comprises a base extending along the length direction of the shelter, and the base is arranged at the top of the frame.

7. The shelter type sampling quality inspection system of claim 6, wherein the stationary base assembly comprises a base and a first rail disposed on the base, the first rail extending along a length of the base;

the sampling tube can be contracted to be parallel to the pitching arm through the cooperation of the movable driving unit, the sampling tube moving module and the sampling tube swinging module.

8. The shelter type sample testing system of claim 7, wherein said rotary lifting platform assembly further comprises a lifting platform, more than two guide posts and a lifting drive unit, wherein said more than two guide posts are arranged in a vertical direction in an extending manner, said lifting platform is arranged on more than two guide posts in a sliding manner, and said lifting drive unit is used for driving said lifting platform to slide relatively along the extending direction of said guide posts.

9. The shelter type sampling quality inspection system of claim 8, wherein the sampler comprises a negative pressure assembly comprising a blower, a valve, a first three-way valve, a second three-way valve, a dust catcher and a salon; one end of the second three-way valve is communicated with the saxophone, the saxophone is communicated with the dust remover, the dust remover is communicated with the first three-way valve, one end of the first three-way valve is communicated with the fan, the fan is communicated with the valve, the other end of the second three-way valve is communicated with the valve, and the other end of the first three-way valve is communicated with air.