CN109342110B - Sample collecting device for field spraying test - Google Patents
Sample collecting device for field spraying test Download PDFInfo
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- CN109342110B CN109342110B CN201810986558.XA CN201810986558A CN109342110B CN 109342110 B CN109342110 B CN 109342110B CN 201810986558 A CN201810986558 A CN 201810986558A CN 109342110 B CN109342110 B CN 109342110B
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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
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
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- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention relates to a field spray test sample collecting device.A shell can be connected to the upper part of a bracket in an axial rotating manner, the shell is cylindrical, and one side wall of the shell is provided with an opening communicated with the inner side and the outer side of the shell; the test paper rack is rotatably arranged in the shell and positioned at the inner side of the opening, and a plurality of side surfaces of the test paper rack are respectively pasted with humidity-sensitive test paper; the bin gate is an arc-shaped plate and can be arranged at the opening of the shell in a reciprocating rotation mode around the central shaft of the shell; the motor is arranged in the shell and positioned on one side of the test paper rack, the test paper rack is axially provided with a rotating shaft, and an output shaft of the motor is connected with the rotating shaft; a driving disc is connected to one side part of the rotating shaft, which is far away from the motor, and a plurality of driving rods are uniformly distributed on the edge of the driving disc; the inner wall of the bin gate is provided with a driving block opposite to the driving rod, and the elastic connecting piece is elastically connected with the bin gate and the shell; after one piece of test paper is used, the bin gate can be automatically closed, so that the phenomenon that the rest unused test paper fails due to the fact that external water vapor enters the shell is avoided.
Description
Technical Field
The invention relates to the field of agricultural detection equipment, in particular to a field spray test sample collecting device.
Background
When medicine effect is spouted to field detection unmanned aerial vehicle, adopt a plurality of humidity sensitive test paper settings in the different regions in field, humidity sensitive test paper gathers the droplet when spouting the medicine, and then these test paper are taken out and are surveyd, judge and feed back subsequent equipment development in progress to spouting the medicine effect then. In order to ensure the accuracy of the result, the test needs to be performed for many times, and in the prior art, the test paper needs to be manually set to multiple monitoring points in the field for many times, which is inconvenient.
Disclosure of Invention
The invention aims to solve the problems and provides a field spray test sample collecting device convenient for the test, which is realized by the following technical scheme:
a field spray test sample collecting device comprises a support, a shell, a motor, a test paper rack, a bin door and an elastic connecting piece, wherein the shell can be connected to the upper part of the support in an axial rotating manner, the shell is cylindrical, and one side wall of the shell is provided with an opening communicated with the inner side and the outer side of the shell; the test paper rack is rotatably arranged in the shell and positioned at the inner side of the opening, and a plurality of side surfaces of the test paper rack are respectively pasted with humidity-sensitive test paper; the bin gate is an arc-shaped plate and can be arranged at the opening of the shell in a reciprocating rotation mode around the central axis of the shell, and the bin gate blocks the opening or opens the opening when rotating; the motor is arranged in the shell and positioned on one side of the test paper rack, the test paper rack is axially provided with a rotating shaft, and an output shaft of the motor is connected with the rotating shaft; a driving disc is connected to one side part of the rotating shaft, which is far away from the motor, and a plurality of driving rods are uniformly distributed on the edge of the driving disc; the inner wall of the bin gate is provided with a driving block opposite to the driving rod, and the elastic connecting piece is elastically connected with the bin gate and the shell; in the rotation process of the driving disc, when a driving rod is abutted against the driving block, the bin door rotates to open the opening of the shell; when the driving rod is separated from the driving block, the bin gate rotates reversely under the action of elastic force to open the opening.
The field spray test sample collecting device is further designed in that the bin gate is far away from a supporting plate which is rotatably connected to the inner wall of the shell and is formed by transversely extending the edge of one side of the motor, a rotating rod is connected to the middle of the supporting plate and is elastically connected with a coil spring arranged on the inner wall of the shell, and the coil spring is the elastic connecting piece.
The field spraying test sample collecting device is further designed in that the supporting plate and the rotating rod are communicated with each other and provided with through holes distributed along the axial direction, one end, far away from the motor, of the rotating shaft penetrates through the through holes to be connected with a clutch mechanism, and the clutch mechanism penetrates through the side wall of the shell to be connected with the support.
The field spray test sample collecting device is further designed in that a sliding hole is formed in the middle of the side wall of one end, away from the motor, of the shell, a guide sleeve is arranged in the sliding hole, a key groove is formed in the inner wall of the guide sleeve, and the guide sleeve is in transmission connection with a key arranged at one end, away from the motor, of the rotating shaft through the key groove; the outer ring of the edge of the guide sleeve positioned on the inner side of the shell is connected with a limiting ring, and the hoop sleeve of the guide sleeve positioned in the shell is elastically connected with the limiting ring and a spring on the inner wall of the shell; an iron attraction piece is arranged in the guide sleeve, and a first insertion tooth is arranged on the end face of the guide sleeve, which is positioned on the outer side of the shell; the upper part of the bracket is fixedly provided with a fixed sleeve opposite to the guide sleeve, the fixed sleeve is internally provided with an electromagnet, the electromagnet is opposite to the suction sheet, the end surface of the fixed sleeve opposite to the guide sleeve is provided with a second insertion tooth opposite to the first insertion tooth, and when the electromagnet is electrified, the electromagnet generates suction to the suction sheet to enable the guide sleeve to overcome the elasticity of the spring and move towards the direction of the fixed sleeve, so that the first insertion tooth and the second insertion tooth are mutually engaged; the guide sleeve, the fixed sleeve and the electromagnet form the clutch mechanism.
The field spray test sample collection device is further designed to be characterized in that the middle of the support is transversely and fixedly connected with a supporting plate located below the shell, two supporting blocks are arranged on the upper side face of the supporting plate, a circular arc-shaped channel is arranged on the upper side face of each supporting block, and a plurality of balls are arranged in each channel.
The field spray test sample collecting device is further designed in that the rotating rod is elastically connected with the coil spring through a pair of intermediate gears.
The field spray test sample collecting device is further designed in that the side edge of the supporting plate and the inner wall of the shell are provided with opposite semicircular grooves, so that a circular hole is formed between the side edge of the supporting plate and the inner wall of the shell, and a plurality of spherical rollers are arranged in the circular hole.
The field spray test sample collecting device is further designed in that an openable end cover is buckled at one side end of the shell opposite to the motor, and a power supply for supplying power to the motor is arranged in the end cover.
The field spray test sample collection device is further designed in that the test paper frame is a regular hexahedron, the six side surfaces of the test paper frame are provided with transparent slides, and correspondingly, the humidity-sensitive test paper is provided with six blocks which are respectively arranged on the transparent slides.
The field spray test sample collecting device is further designed in that the support is a telescopic rod with adjustable height.
The invention has the beneficial effects that:
after one piece of test paper is used, the driving rod is separated from the driving block by rotating the test paper frame, and the bin door can be automatically closed, so that the phenomenon that the outside water vapor enters the shell to cause the failure of other unused test paper is avoided; when the next test is started, the test paper frame is continuously rotated to enable the next driving rod to be abutted against the driving block so as to open the bin door, and meanwhile, the new test paper is opposite to the opening of the shell and is in a state to be tested, so that the related setting work is greatly simplified; by arranging the clutch mechanism, the opening side of the shell can be downward when the test gap is longer, so that external rainwater is prevented from entering the shell from a gap at the opening, and the interior of the shell is always kept in a dry state.
Drawings
Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.
Fig. 2 is a schematic structural diagram of the driving disc and the bin gate.
Fig. 3 is a schematic end view of the test paper holder.
Fig. 4 is a schematic structural view of the clutch mechanism.
Detailed Description
The invention is further illustrated by the following figures and examples in conjunction with the description:
as shown in fig. 1, the field spray test sample collecting device comprises a support 1, a shell 2, a motor 3, a test paper holder 4, a bin gate 5 and an elastic connecting piece 8, wherein the shell 2 is axially and rotatably connected to the upper part of the support 1, the shell is cylindrical, and one side wall of the shell is provided with an opening 21 communicating the inner side and the outer side of the shell; the test paper frame is rotationally arranged inside the shell and located on the inner side of the opening, as seen in combination with the figure 3, the test paper frame 4 is a regular hexahedron, the six side faces are provided with transparent glass slides 41, and correspondingly, six pieces of humidity sensitive test paper are respectively arranged on each transparent glass slide.
Referring to fig. 2, the bin gate 5 is an arc-shaped plate and is disposed at an opening of the housing in a manner of reciprocating rotation around a central axis of the housing, and the bin gate 5 blocks the opening or opens the opening when rotating; the motor 3 is arranged in the shell and positioned on one side of the test paper rack, a rotating shaft 6 is axially arranged on the test paper rack, and an output shaft of the motor is connected with the rotating shaft; a driving disc 7 is connected to one side part of the rotating shaft 6 far away from the motor, and a plurality of driving rods 71 are uniformly distributed on the edge of the driving disc; the inner wall of the bin gate 5 is provided with a driving block 51 opposite to the driving rod, and the elastic connecting piece 8 is elastically connected with the bin gate and the shell; in the rotation process of the driving disc, when a driving rod is abutted against the driving block, the bin door rotates to open the opening of the shell; when the driving rod is separated from the driving block, the bin gate rotates reversely under the action of elastic force to open the opening.
When the test paper is used, six pieces of humidity-sensitive test paper are attached to six side surfaces of a test paper rack, a bin door is opened, a driving rod on a driving disk abuts against a driving block on the inner wall of the bin door, one piece of humidity-sensitive test paper is opposite to an opening of a shell, spraying operation is carried out at the moment, partial fog drops are collected by the humidity-sensitive test paper opposite to the opening, after the test is finished, the test paper is taken out, the driving rod is separated from the driving block due to rotation of a motor, the bin door is reset under the elastic action of an elastic connecting piece, the opening is closed, if the next spraying test cannot be started within a long time, the motor keeps a power-off state, the bin door is closed all the time, and the rest humidity-sensitive test paper in the shell cannot be invaded by external; when the next test is started, the motor rotates, so that a new piece of test paper is opposite to the opening of the shell gradually, the next driving rod is abutted against the driving block, the bin door is opened synchronously, and the new piece of humidity-sensitive test paper is opposite to the completely opened opening of the shell and enters a test state.
One side edge of the bin gate 5, which is far away from the motor, transversely extends to form a support plate 52 which is rotatably connected to the inner wall of the shell, the middle part of the support plate is connected with a rotating rod 53, the rotating rod is elastically connected with a coil spring arranged on the inner wall of the shell, and the coil spring is the elastic connecting piece 8. When the bin door is closed, the coil spring is in an initial state, and when the bin door is opened gradually, the coil spring is tightened to continue elastic potential energy, so that at the moment that the driving rod is separated from the driving block, the coil spring releases the elastic potential energy, and the bin door is closed quickly.
The supporting plate 52 and the rotating rod 53 are provided with through holes distributed along the axial direction, one end of the rotating shaft far away from the motor penetrates through the through holes to be connected with a clutch mechanism 9, and the clutch mechanism penetrates through the side wall of the shell to be connected with the support. Through the operation of opening and close of this clutching mechanism for when this embodiment is the restriction for a long time or the proruption rainy situation, can make the whole downward upset of motor drive casing after the casing is closed, make the opening part of casing downwards, thereby avoid water from inside the casing infiltration casing of casing open-ended gap.
Specifically, as shown in fig. 4, a sliding hole is formed in the middle of a side wall of one end of the housing, which is far away from the motor, a guide sleeve 91 is arranged in the sliding hole, and a key groove is formed in the inner wall of the guide sleeve and is in transmission connection with a key arranged at one end of the rotating shaft, which is far away from the motor, through the key groove; the outer ring of the edge of the guide sleeve positioned at the inner side of the shell is connected with a limiting ring 92, and the part of the hoop sleeve of the guide sleeve positioned in the shell is elastically connected with a spring 93 of the limiting ring and the inner wall of the shell; an iron attraction piece 94 is arranged in the guide sleeve, and a first inserting tooth 95 is arranged on the end face of the guide sleeve positioned on the outer side of the shell; the upper part of the bracket is fixedly provided with a fixed sleeve 96 opposite to the guide sleeve, the fixed sleeve is internally provided with an electromagnet 98, the electromagnet is opposite to the suction sheet, the end surface of the fixed sleeve opposite to the guide sleeve is provided with a second insertion tooth 97 opposite to the first insertion tooth, when the electromagnet is electrified, the electromagnet generates suction to the suction sheet to enable the guide sleeve to overcome the elasticity of the spring to move towards the fixed sleeve, so that the first insertion tooth and the second insertion tooth are mutually engaged; the guide sleeve, the fixed sleeve and the electromagnet form the clutch mechanism.
The middle of the support 1 is transversely and fixedly connected with a supporting plate 10 located below the shell, two supporting blocks 101 are arranged on the upper side face of the supporting plate, arc-shaped channels are arranged on the upper side faces of the supporting blocks, and a plurality of balls 102 are arranged in the channels. The structure enables the whole shell to be matched with the clutch mechanism to move axially, and can also meet the requirement of downward overturning of the shell.
The rotating lever is elastically connected to the coil spring via a pair of intermediate gears 54. The intermediate gear can increase transmission damping, so that the bin door cannot rigidly collide with the shell when the coil spring is reset.
The side of backup pad and the inner wall of casing are provided with relative half slot to form circular pore between the side of backup pad and the casing inner wall, circular pore embeds has a plurality of spherical rollers 55. This structure makes the rotation between backup pad and the shells inner wall comparatively smooth and easy.
An openable end cover 22 is buckled at one side end of the shell opposite to the motor, and a power supply 23 for supplying power to the motor is arranged in the end cover and is specifically a storage battery.
The support 1 is a telescopic rod with adjustable height, so that the height of the shell can be adjusted according to the height of plants in the field, and the spine part can be arranged at the bottom of the support, so that the support is convenient to fix on the ground in the field.
Claims (9)
1. A field spray test sample collecting device is characterized by comprising a support, a shell, a motor, a test paper rack, a bin gate and an elastic connecting piece, wherein the shell is connected to the upper part of the support in an axial rotating manner and is cylindrical, and one side wall of the shell is provided with an opening communicated with the inner side and the outer side of the shell; the test paper rack is rotatably arranged in the shell and positioned at the inner side of the opening, and a plurality of side surfaces of the test paper rack are respectively pasted with humidity-sensitive test paper; the bin gate is an arc-shaped plate and can be arranged at the opening of the shell in a reciprocating rotation mode around the central axis of the shell, and the bin gate blocks the opening or opens the opening when rotating; the motor is arranged in the shell and positioned on one side of the test paper rack, the test paper rack is axially provided with a rotating shaft, and an output shaft of the motor is connected with the rotating shaft; a driving disc is connected to one side part of the rotating shaft, which is far away from the motor, and a plurality of driving rods are uniformly distributed on the edge of the driving disc; the inner wall of the bin gate is provided with a driving block opposite to the driving rod, and the elastic connecting piece is elastically connected with the bin gate and the shell; the side edge of the bin door, which is far away from the motor, transversely extends to form a supporting plate which is rotatably connected to the inner wall of the shell, the middle part of the supporting plate is connected with a rotating rod, the rotating rod is elastically connected with a coil spring arranged on the inner wall of the shell, and the coil spring is the elastic connecting piece; in the rotation process of the driving disc, when a driving rod is abutted against the driving block, the bin door rotates to open the opening of the shell; when the driving rod is separated from the driving block, the bin gate rotates reversely under the action of elastic force to open the opening.
2. The field spray test sample collection device of claim 1, wherein the support plate and the rotating rod are provided with through holes distributed along the axial direction, one end of the rotating shaft, which is far away from the motor, penetrates through the through holes to be connected with a clutch mechanism, and the clutch mechanism penetrates through the side wall of the shell to be connected with the bracket.
3. The field spray test sample collection device as claimed in claim 2, wherein a sliding hole is formed in the middle of a side wall of one end of the housing, which is away from the motor, a guide sleeve is arranged in the sliding hole, and a key groove is formed in the inner wall of the guide sleeve and is in transmission connection with a key arranged at one end of the rotating shaft, which is away from the motor, through the key groove; the outer ring of the edge of the guide sleeve positioned on the inner side of the shell is connected with a limiting ring, and the hoop sleeve of the guide sleeve positioned in the shell is elastically connected with the limiting ring and a spring on the inner wall of the shell; an iron attraction piece is arranged in the guide sleeve, and a first insertion tooth is arranged on the end face of the guide sleeve, which is positioned on the outer side of the shell; the upper part of the bracket is fixedly provided with a fixed sleeve opposite to the guide sleeve, the fixed sleeve is internally provided with an electromagnet, the electromagnet is opposite to the suction sheet, the end surface of the fixed sleeve opposite to the guide sleeve is provided with a second insertion tooth opposite to the first insertion tooth, and when the electromagnet is electrified, the electromagnet generates suction to the suction sheet to enable the guide sleeve to overcome the elasticity of the spring and move towards the direction of the fixed sleeve, so that the first insertion tooth and the second insertion tooth are mutually engaged; the guide sleeve, the fixed sleeve and the electromagnet form the clutch mechanism.
4. The field spray test sample collection device of claim 3, wherein a support plate located below the housing is transversely and fixedly connected to the middle of the support, two support blocks are arranged on the upper side of the support plate, an arc-shaped channel is arranged on the upper side of each support block, and a plurality of balls are arranged in each channel.
5. The field spray test sample collection device of claim 1, wherein said rotating rod is resiliently connected to said coil spring via a pair of intermediate gears.
6. The field spray test sample collection device of claim 1, wherein the side edges of the support plate and the inner wall of the housing are provided with opposite semicircular grooves, so that a circular hole is formed between the side edges of the support plate and the inner wall of the housing, and a plurality of spherical rollers are arranged in the circular hole.
7. The field spray test sample collection device of claim 1, wherein an openable end cap is fastened to an end of the housing opposite to the motor, and a power supply for supplying power to the motor is arranged in the end cap.
8. The field spray test sample collection device of claim 1, wherein the test paper holder is a regular hexahedron, six sides are provided with transparent slides, and correspondingly, six pieces of the humidity sensitive test paper are respectively arranged on each transparent slide.
9. The field spray test sample collection device of claim 1, wherein said support is a telescoping rod that is height adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810986558.XA CN109342110B (en) | 2018-08-27 | 2018-08-27 | Sample collecting device for field spraying test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810986558.XA CN109342110B (en) | 2018-08-27 | 2018-08-27 | Sample collecting device for field spraying test |
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| Publication Number | Publication Date |
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| CN109342110A CN109342110A (en) | 2019-02-15 |
| CN109342110B true CN109342110B (en) | 2021-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810986558.XA Active CN109342110B (en) | 2018-08-27 | 2018-08-27 | Sample collecting device for field spraying test |
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| CN (1) | CN109342110B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110082165B (en) * | 2019-05-07 | 2020-12-11 | 农业农村部南京农业机械化研究所 | Automatic field fog drop collecting system and collecting method thereof |
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| BRPI0609303A2 (en) * | 2005-04-15 | 2010-11-23 | Lee H Angros | point of use analytical substrate coating system, applicator cartridge, and, methods for attaching a biological specimen to an analytical substrate and applying a coating to an analytical substrate at an analytical substrate use point |
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