CN109799323B - Soil pH valve check out test set - Google Patents

Soil pH valve check out test set Download PDF

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Publication number
CN109799323B
CN109799323B CN201811558389.6A CN201811558389A CN109799323B CN 109799323 B CN109799323 B CN 109799323B CN 201811558389 A CN201811558389 A CN 201811558389A CN 109799323 B CN109799323 B CN 109799323B
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wiping
compacting
soil
support plate
arc
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CN109799323A (en
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萧飞
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Guangdong Deliang Environmental Protection Technology Co.,Ltd.
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Guangdong Deliang Environmental Protection Technology Co ltd
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  • Processing Of Solid Wastes (AREA)
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Abstract

The invention relates to soil pH value detection equipment which comprises a movable top plate and a detection device, wherein the movable top plate is provided with an observation hole, the bottom of the outer end of the movable top plate is provided with a sliding groove, and the detection device is arranged on the bottom of the movable top plate; the detection device comprises a pushing cylinder, a detection support plate, a clamping frame, a clamping push rod, a compaction mechanism and a wiping mechanism; the wiping mechanism comprises a wiping sliding rod, a wiping moving block, a wiping support plate, a wiping telescopic rod, a wiping spring, a wiping pressing block, cleaning cloth, a winding roller, a recovery roller and a recovery motor. The invention can solve the problems that the insertion depth of the detector can not be limited, the soil around the detector needs to be compacted manually, the soil adhered to the lower end of the detector needs to be removed manually and the like during the soil detection in the prior art when the pH value of the soil is detected, and can realize the functions of detecting the pH value of the soil and wiping and cleaning the detected detector.

Description

Soil pH valve check out test set
Technical Field
The invention relates to the field of agricultural instruments and meters, in particular to soil pH value detection equipment.
Background
The soil is peracid or over-alkali which are important factors for limiting the growth and the quality of plants, and most plants are not peracid or over-alkali resistant soil; therefore, it is important to know the pH and moisture of the soil. The soil acidity meter is the instrument that is used for detecting soil pH valve, and the upper end of soil acidity meter is cylindrical structure, and the bottom of soil acidity meter is the contact pin structure, inserts the contact pin of soil acidity meter bottom in the soil that detects, and the dial plate at soil acidity meter top can demonstrate the pH valve of soil.
When the soil detection instrument detects the pH value, the lower end of the detection instrument needs to be inserted into soil, the soil around the detection instrument is compacted, the detection instrument needs to be cleaned after the soil detection is finished, and the detection of the adhered sundries on the detection instrument is prevented from being influenced.
Aiming at the detection of the pH value of soil, the prior patent also provides some solutions, a Chinese utility model patent with the patent number of 201820121856.8 provides a soil pH value monitoring device, the utility model drives the device through a push-pull handle, when the monitoring is needed, the push-pull handle is pushed upwards, the device takes a driving wheel as a pivot front end to move downwards, a soil pH value detector in front of a main body is inserted downwards into soil to realize the monitoring, the soil pH value can be effectively monitored, and people can master the soil pH value condition, the utility model has simple arrangement, and technical means such as soil compaction when the detector detects are not disclosed; the Chinese utility model with the patent number of 201720911361.0 provides a soil detector, which can detect soil from all aspects, and has strong practicability and convenient use; the above patents can detect the pH value of soil, but how to compact the soil when detecting the pH value of the detector and how to wipe the used detector are not related.
The problem that exists when current carrying out the pH valve to the soil and detecting as follows, detector depth of insertion can't carry on spacingly during the soil detects for there is the deviation in the result that the detector detected, needs the manual work to carry out the compaction with earth around the detector, causes the hand labor volume big, and the earth of detector lower extreme adhesion needs the manual work to clear away, and the manual work is poor to the clearance effect of detector.
Disclosure of Invention
In order to solve the problems, the invention provides soil pH value detection equipment which can solve the problems that the insertion depth of a detector cannot be limited during soil detection, the soil around the detector needs to be manually compacted, the soil adhered to the lower end of the detector needs to be manually removed and the like during the existing soil pH value detection, can realize the functions of detecting the pH value of the soil and cleaning the detected detector, and has the advantages that the insertion depth of the detector can be limited during the soil detection, the soil around the detector can be automatically compacted, the soil adhered to the lower end of the detector can be mechanically removed and the like.
In order to achieve the purpose, the invention adopts the following technical scheme that the soil pH value detection equipment comprises a movable top plate and a detection device, wherein an observation hole is formed in the movable top plate, a sliding groove is formed in the bottom of the outer end of the movable top plate, and the detection device is installed on the bottom of the movable top plate.
The detection device comprises a pushing cylinder, a detection support plate, clamping frames, a clamping push rod, a compacting mechanism and a wiping mechanism, wherein the detection support plate is installed on the bottom of the right end of the movable top plate through the pushing cylinder; the lower end of the clamping frame is of an arc-shaped structure, the inner side face of the clamping frame is uniformly provided with clamping teeth, the outer side of the upper end of the clamping frame is connected with the top of the clamping push rod, the bottom of the clamping push rod is arranged at the bottom of the outer end of the detection support plate, the outer side face of each clamping frame is provided with a compacting mechanism, each compacting mechanism is provided with a wiping mechanism, when the soil detector works in detail, the detection device can detect the pH value of the scarified soil, the telescopic motion of the clamping push rod can control the clamping frame to clamp the upper end of the soil detector, the clamping teeth at the inner end of the clamping frame can cooperate with the structure at the outer end of the detector to clamp the soil detector, the stretching motion of the pushing cylinder can drive the lower end of the soil detector to be inserted into the soil, the compacting mechanism can push and compact the soil around the bottom of the pH value detector inwards so as to increase the detection effect of the soil, after soil detection finishes, the round hole on the detection extension board and the observation hole on the removal roof can make personnel can the audio-visual index of seeing out on the soil detection appearance, and wiping mechanism can wipe its lower extreme after the detector rises, prevents to be stained with on the detector that debris from influencing its measuring accuracy.
The compaction mechanism comprises a compaction arc-shaped plate, an arc-shaped electric sliding block, a compaction connecting frame, a compaction telescopic rod, a compaction spring, an inner push plate and a compaction wheel, the compaction arc-shaped plate is arranged on the outer side surface of the lower end of the clamping frame, the arc-shaped electric sliding block is arranged on the bottom of the compaction arc-shaped plate, and the compaction connecting frame is arranged on the bottom of the arc-shaped electric sliding block;
the compaction wheel is arranged on the lower end face of the middle part of the compaction connecting frame, a compaction telescopic rod is distributed at the front end and the rear end of the compaction wheel, the compaction telescopic rod is obliquely arranged, the bottom of the compaction telescopic rod is arranged on the bottom of the compaction connecting frame, and an inner push plate is arranged at the top of the compaction telescopic rod; the lower extreme of interior push pedal be the arc structure, the cover is equipped with the compaction spring on the outer end of compaction telescopic link, concrete during operation, compaction mechanism can carry out the inside propelling movement and the compaction of earth around it when the pH valve is examined soil to soil detector, when the propelling movement cylinder carries out the extension motion, the lower extreme of soil detector can insert in earth, interior push pedal can contact with the upper end of soil, control arc electric slider removes, interior push pedal is the inside propelling movement of earth in the soil detector outside under the effect of compaction spring, the compaction wheel can carry out the compaction with the earth of interior push pedal propelling movement, interior push pedal can also play spacing effect to soil detector, prevent that it from inserting deeply in soil, cause the damage of soil detector.
As a preferred technical scheme of the invention, the wiping mechanism comprises a wiping sliding rod, a wiping moving block, a wiping support plate, a wiping telescopic rod, a wiping spring, a wiping pressing block, cleaning cloth, a winding roller, a recovery roller and a recovery motor, wherein the wiping moving block is arranged on the middle part of the compaction connecting frame in a sliding fit manner, the outer end of the wiping moving block is arranged on the lower end of the wiping sliding rod, the upper end of the wiping sliding rod is connected with a sliding groove arranged on a moving top plate in a sliding fit manner, and the wiping support plate is arranged on the inner end of the wiping moving block;
the inner side surface of the middle part of the wiping support plate is connected with the bottom of the wiping telescopic rod, the top of the wiping telescopic rod is provided with a wiping pressing block, the outer end of the wiping telescopic rod is sleeved with a wiping spring, and the middle part of the wiping pressing block is provided with an arc-shaped groove; a scraper is arranged on the inner side surface of the lower end of the wiping support plate and positioned below the wiping pressing block, and an arc-shaped groove is formed in the middle of the scraper;
the cleaning cloth is arranged on the inner side of the wiping pressing block, the front end of the cleaning cloth is wound on the winding roller, the winding roller is arranged on the inner side face of the front end of the wiping supporting plate, the rear end of the cleaning cloth is wound on the recovery roller, the upper end of the recovery roller is arranged on the inner side face of the rear end of the wiping supporting plate, the lower end of the recovery roller is connected with an output shaft of a recovery motor, the recovery motor is arranged on the wiping supporting plate, in the specific work process, when the detector finishes the detection and performs the recovery action, the arc-shaped structure of the scraper can firstly hang and remove the soil adhered to the lower end of the detector, the wiping pressing block can perform the wiping action on the detector under the action of the wiping spring, and the rotation of the recovery motor can drive the polluted cleaning cloth to be wound so as to increase the wiping effect of the detector,
as a preferred technical scheme of the invention, the top and the lower end of the wiping press block are both provided with limiting bodies, and the limiting bodies arranged on the wiping press block are symmetrically distributed on the upper side and the lower side of the cleaning cloth; the symmetry is provided with two square holes in the arc wall of cleaning the briquetting, all installs a briquetting through supporting the pressure spring in cleaning every square hole on the briquetting, and the briquetting is the arc structure, and concrete during operation, the spacing body on the briquetting is cleaned can carry on spacingly to cleaning cloth, prevents that the detector from driving cleaning cloth and causing its dislocation, and the briquetting of cleaning the briquetting lower extreme can be cleaned to the point column structure of detector lower extreme.
As a preferable technical scheme of the invention, the lower end of the winding roller is provided with a friction rod which plays a role in speed reduction, the friction rod is arranged on the inner side surface of the front end of the wiping support plate, and the friction rod can enable the cleaning cloth to be in a tensioned state during specific work.
The invention has the beneficial effects that:
the invention can realize the functions of detecting the pH value of the land and wiping and cleaning the detected detector, and has the advantages that the insertion depth of the detector can be limited during the land detection, the soil around the detector can be automatically compacted, the soil adhered to the lower end of the detector can be mechanically cleaned, and the like;
secondly, a compaction mechanism is arranged on the detection device, and the compaction mechanism can push and compact the soil around the soil when the soil detector detects the pH value of the soil;
and thirdly, the detection device is provided with a wiping mechanism, and the wiping mechanism can wipe the lower end of the detector after the detector ascends, so that the influence of sundries on the detector on the measurement precision is prevented.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the first structure of the wiping mechanism of the present invention after the wiping slide and the wiping moving block are removed;
FIG. 3 is a schematic view of a second structure of the wiping mechanism of the present invention after the wiping slide bar and the wiping moving block are removed;
FIG. 4 is a cross-sectional view of the wiping mass, the biasing spring and the biasing mass of the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
As shown in fig. 1 to 4, a soil ph value detection device comprises a movable top plate 1 and a detection device 4, wherein the movable top plate 1 is provided with an observation hole, the bottom of the outer end of the movable top plate 1 is provided with a sliding groove, and the detection device 4 is installed on the bottom of the movable top plate 1.
The detection device 4 comprises a pushing cylinder 41, a detection support plate 42, a clamping frame 43, a clamping push rod 44, a compacting mechanism 45 and a wiping mechanism 46, wherein the detection support plate 42 is installed on the bottom of the right end of the movable top plate 1 through the pushing cylinder 41, a round hole is formed in the middle of the detection support plate 42, the position of the round hole in the detection support plate 42 corresponds to the position of an observation hole in the movable top plate 1, sliding grooves are formed in the left end and the right end of the bottom of the detection support plate 42, and the clamping frame 43 is connected in each sliding groove in the detection support plate 42 in a sliding fit mode; the lower end of the clamping frame 43 is of an arc-shaped structure, the inner side surface of the clamping frame 43 is uniformly provided with clamping teeth, the outer side of the upper end of the clamping frame 43 is connected with the top of a clamping push rod 44, the bottom of the clamping push rod 44 is arranged at the bottom of the outer end of the detection support plate 42, the outer side surface of each clamping frame 43 is provided with a compacting mechanism 45, each compacting mechanism 45 is provided with a wiping mechanism 46, during specific work, the detection device 4 can detect the pH value of the scarified soil, the telescopic motion of the clamping push rod 44 can control the clamping frame 43 to clamp the upper end of the soil detector, the clamping teeth at the inner end of the clamping frame 43 can cooperate with the structure at the outer end of the detector to clamp the soil, the telescopic motion of the pushing cylinder 41 can drive the lower end of the soil detector to be inserted into the soil, the compacting mechanism 45 can push and compact the soil around the bottom of the pH value detector inwards, so as to increase the detection effect of soil, after soil detection finishes, detect round hole on the extension board 42 and remove the observation hole on roof 1 and can make personnel can the audio-visual index of seeing out on the soil detection appearance, wiping mechanism 46 can wipe its lower extreme after the detector rises, prevents to be stained with on the detector that debris from influencing its measurement accuracy.
The compacting mechanism 45 comprises a compacting arc-shaped plate 451, an arc-shaped electric sliding block 452, a compacting connecting frame 453, a compacting telescopic rod 454, a compacting spring 455, an inner push plate 456 and a compacting wheel 457, wherein the compacting arc-shaped plate 451 is arranged on the outer side surface of the lower end of the clamping frame 43, the arc-shaped electric sliding block 452 is arranged on the bottom of the compacting arc-shaped plate 451, and the compacting connecting frame 453 is arranged on the bottom of the arc-shaped electric sliding block 452;
a compaction wheel 457 is mounted on the lower end face of the middle part of the compaction connecting frame 453, a compaction telescopic rod 454 is distributed at the front end and the rear end of the compaction wheel 457, the compaction telescopic rod 454 is obliquely arranged, the bottom of the compaction telescopic rod 454 is mounted on the bottom of the compaction connecting frame 453, and an inner push plate 456 is mounted on the top of the compaction telescopic rod 454; interior push pedal 456's lower extreme be the arc structure, the cover is equipped with compaction spring 455 on compaction telescopic link 454's the outer end, concrete during operation, compaction mechanism 45 can carry out the inside propelling movement and the compaction of earth around it when soil detection instrument detects soil acidity and alkalinity, when propelling movement cylinder 41 carries out the extension motion, soil detection instrument's lower extreme can insert in earth, interior push pedal 456 can contact with the upper end of soil, control arc electric slider 452 removes, interior push pedal 456 is with the inside propelling movement of earth in the soil detection instrument outside under compaction spring 455's effect, compaction wheel 457 can carry out the compaction with the earth of interior push pedal 456 propelling movement, interior push pedal 456 can also play spacing effect to soil detection instrument, prevent that it from inserting deeply in soil, cause the damage of soil detection instrument.
The wiping mechanism 46 comprises a wiping sliding rod 461, a wiping moving block 462, a wiping support plate 463, a wiping telescopic rod 464, a wiping spring 465, a wiping press block 466, a cleaning cloth 467, a winding roller 468, a recovery roller 469 and a recovery motor 470, wherein the wiping moving block 462 is arranged on the middle part of the compacting connecting frame 453 in a sliding fit manner, the outer end of the wiping moving block 462 is arranged on the lower end of the wiping sliding rod 461, the upper end of the wiping sliding rod 461 is connected with a sliding groove arranged on the movable top plate 1 in a sliding fit manner, and the wiping support plate 463 is arranged on the inner end of the wiping moving block 462;
the inner side surface of the middle part of the wiping support plate 463 is connected with the bottom of the wiping telescopic rod 464, a wiping press block 466 is installed on the top of the wiping telescopic rod 464, a wiping spring 465 is sleeved on the outer end of the wiping telescopic rod 464, and an arc-shaped groove is formed in the middle part of the wiping press block 466; a scraper 471 is arranged on the inner side surface of the lower end of the wiping support plate 463, the scraper 471 is positioned below the wiping press block 466, and an arc-shaped groove is formed in the middle of the scraper 471;
the cleaning cloth 467 is positioned at the inner side of the wiping press block 466, the front end of the cleaning cloth 467 is wound on the winding roller 468, the winding roller 468 is arranged on the inner side surface of the front end of the wiping support plate 463, the rear end of the cleaning cloth 467 is wound on the recovery roller 469, the upper end of the recovery roller 469 is arranged on the inner side surface of the rear end of the wiping support plate 463, the lower end of the recovery roller 469 is connected with the output shaft of the recovery motor 470, the recovery motor 470 is arranged on the wiping support plate 463, in particular, when the detector finishes detection and performs recovery action, the arc-shaped structure of the scraper 471 can firstly hang and remove the soil adhered to the lower end of the detector, the wiping press block 466 can perform wiping action on the detector under the action of the wiping spring 465, the rotation of the recovery motor 470 can drive the polluted cleaning cloth 467 to be wound so as to increase the wiping effect of the detector,
the top and the lower end of the wiping press block 466 are both provided with a limiting body, and the limiting bodies arranged on the wiping press block 466 are symmetrically distributed on the upper side and the lower side of the cleaning cloth 467; two square holes are symmetrically arranged in the arc-shaped groove of the wiping pressing block 466, a pressing block 473 is installed in each square hole in the wiping pressing block 466 through a pressing spring 472, the pressing block 473 is of an arc-shaped structure, the limiting body on the wiping pressing block 466 can limit the cleaning cloth 467 in specific work, the detection instrument is prevented from driving the cleaning cloth 467 to cause dislocation, and the pressing block 473 at the lower end of the wiping pressing block 466 can be used for wiping the pointed structure at the lower end of the detection instrument.
The lower end of the winding roller 468 is provided with a friction rod 474 for reducing speed, the friction rod 474 is installed on the inner side surface of the front end of the wiping support plate 463, and the friction rod 474 can enable the cleaning cloth 467 to be in a tightened state during specific work.
When the device works, the device is firstly installed on an external moving mechanism by moving the top plate 1, the external moving mechanism is controlled to move to the land needing to be subjected to pH value detection, and then the detection device 4 is controlled to carry out pH value detection on the land.
The telescopic motion of the clamping push rod 44 can control the clamping frame 43 to clamp the upper end of the soil detector, the latch at the inner end of the clamping frame 43 can cooperate with the structure at the outer end of the detector to clamp the soil detector, the extension motion of the pushing cylinder 41 can drive the lower end of the soil detector to be inserted into the soil, the compacting mechanism 45 can push and compact the soil around the bottom of the pH value detector inwards so as to increase the detection effect of the soil, after the soil detection is finished, the round holes on the detection support plate 42 and the observation holes on the movable top plate 1 can enable personnel to visually see the index on the soil detector, the wiping mechanism 46 can wipe the lower end of the detector after the detector is lifted, the detector is prevented from being stained with sundries to influence the measurement precision, the arc-shaped structure of the scraper 471 can firstly remove the soil adhered to the lower end of the detector, and the wiping press block 466 can wipe the detector under the action of the wiping spring 465, retrieve motor 470's rotation and can drive the cleaning cloth 467 that pollutes and carry out the rolling to increase the effect of cleaning of detector, realized carrying out the pH valve to the soil and detected, the function of cleaning is cleaned to the detector after will detecting, solved present soil detection time measuring detector that exists when carrying out the pH valve to the soil and inserted the degree of depth and can't carry on spacingly, need artifical earth on every side with the detector to carry out the compaction, the earth of detector lower extreme adhesion needs the manual work to clear away the scheduling problem, the purpose has been reached.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (5)

1. The utility model provides a soil pH valve check out test set, includes removal roof (1) and detection device (4), its characterized in that: an observation hole is formed in the movable top plate (1), a sliding groove is formed in the bottom of the outer end of the movable top plate (1), and the detection device (4) is installed on the bottom of the movable top plate (1); wherein:
the detection device (4) comprises a pushing cylinder (41), a detection support plate (42), a clamping frame (43), a clamping push rod (44), a compacting mechanism (45) and a wiping mechanism (46), wherein the detection support plate (42) is installed on the bottom of the right end of the movable top plate (1) through the pushing cylinder (41), a round hole is formed in the middle of the detection support plate (42), the position of the round hole in the detection support plate (42) corresponds to the position of an observation hole in the movable top plate (1), sliding grooves are formed in the left end and the right end of the bottom of the detection support plate (42), the clamping frame (43) is connected into each sliding groove in the detection support plate (42) in a sliding fit mode, the outer side of the upper end of each clamping frame (43) is connected with the top of the clamping push rod (44), the bottom of the clamping push rod (44) is installed on the bottom of the outer end of the detection support plate (42), and the compacting mechanism (45) is installed on the outer side face of each clamping frame (43), each compacting mechanism (45) is provided with a wiping mechanism (46);
the compacting mechanism (45) comprises a compacting arc-shaped plate (451), an arc-shaped electric sliding block (452), a compacting connecting frame (453), a compacting telescopic rod (454), a compacting spring (455), an inner push plate (456) and a compacting wheel (457), wherein the compacting arc-shaped plate (451) is installed on the outer side surface of the lower end of the clamping frame (43), the arc-shaped electric sliding block (452) is installed on the bottom of the compacting arc-shaped plate (451), and the compacting connecting frame (453) is installed on the bottom of the arc-shaped electric sliding block (452);
the compacting wheel (457) is mounted on the lower end face of the middle of the compacting connecting frame (453), a compacting telescopic rod (454) is distributed at the front end and the rear end of the compacting wheel (457), the bottom of the compacting telescopic rod (454) is mounted on the bottom of the compacting connecting frame (453), an inner push plate (456) is mounted on the top of the compacting telescopic rod (454), and a compacting spring (455) is sleeved on the outer end of the compacting telescopic rod (454);
the wiping mechanism (46) comprises a wiping sliding rod (461), a wiping moving block (462), a wiping support plate (463), a wiping telescopic rod (464), a wiping spring (465), a wiping pressing block (466), cleaning cloth (467), a winding roller (468), a recovery roller (469) and a recovery motor (470), wherein the wiping moving block (462) is arranged in the middle of the compaction connecting frame (453) in a sliding fit manner, the outer end of the wiping moving block (462) is arranged on the lower end of the wiping sliding rod (461), the upper end of the wiping sliding rod (461) is connected with a sliding groove arranged on the moving top plate (1) in a sliding fit manner, and the wiping support plate (463) is arranged on the inner end of the wiping moving block (462);
the inner side surface of the middle part of the wiping support plate (463) is connected with the bottom of the wiping telescopic rod (464), the top of the wiping telescopic rod (464) is provided with a wiping pressing block (466), the outer end of the wiping telescopic rod (464) is sleeved with a wiping spring (465), and the middle part of the wiping pressing block (466) is provided with an arc-shaped groove;
-the cleaning cloth (467) is located inside the wiping press block (466), the front end of the cleaning cloth (467) is wound on the winding roller (468), the winding roller (468) is installed on the inner side surface of the front end of the wiping support plate (463), the rear end of the cleaning cloth (467) is wound on the recovery roller (469), the upper end of the recovery roller (469) is installed on the inner side surface of the rear end of the wiping support plate (463), the lower end of the recovery roller (469) is connected with the output shaft of the recovery motor (470), and the recovery motor (470) is installed on the wiping support plate (463);
a scraper (471) is installed on the inner side face of the lower end of the wiping support plate (463), the scraper (471) is located below the wiping press block (466), and an arc-shaped groove is formed in the middle of the scraper (471).
2. The soil acidity and alkalinity detection device according to claim 1, wherein: the lower end of the clamping frame (43) is of an arc-shaped structure, and the inner side surface of the clamping frame (43) is evenly provided with clamping teeth.
3. The soil acidity and alkalinity detection device according to claim 1, wherein: the compaction telescopic rod (454) is obliquely arranged, and the lower end of the inner push plate (456) is of an arc-shaped structure.
4. The soil acidity and alkalinity detection device according to claim 2, wherein: the top and the lower end of the wiping pressing block (466) are both provided with a limiting body, and the limiting bodies arranged on the wiping pressing block (466) are symmetrically distributed on the upper side and the lower side of the cleaning cloth (467); two square holes are symmetrically arranged in the arc-shaped groove of the wiping pressing block (466), a pressing block (473) is arranged in each square hole on the wiping pressing block (466) through a pressing spring (472), and the pressing block (473) is of an arc-shaped structure.
5. The soil acidity and alkalinity detection device according to claim 2, wherein: the lower end of the winding roller (468) is provided with a friction rod (474) playing a role in speed reduction, and the friction rod (474) is arranged on the inner side surface of the front end of the wiping support plate (463).
CN201811558389.6A 2018-12-19 2018-12-19 Soil pH valve check out test set Active CN109799323B (en)

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CN102798601B (en) * 2012-08-13 2015-05-13 浙江大学 Soil organic matter detection apparatus and detection method
CN206975026U (en) * 2017-07-26 2018-02-06 摩瑞尔电器(昆山)有限公司 Soil K+adsorption instrument
CN207148100U (en) * 2017-08-08 2018-03-27 浙江瑞启检测技术有限公司 A kind of Soil K+adsorption instrument
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