CN209471125U - A kind of soil testing assemblies - Google Patents
A kind of soil testing assemblies Download PDFInfo
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- CN209471125U CN209471125U CN201920163780.XU CN201920163780U CN209471125U CN 209471125 U CN209471125 U CN 209471125U CN 201920163780 U CN201920163780 U CN 201920163780U CN 209471125 U CN209471125 U CN 209471125U
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- testing assemblies
- shaft
- soil testing
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Abstract
The utility model relates to Soil Testings, more particularly to a kind of soil testing assemblies.A kind of soil testing assemblies, including tripod, fixing seat is provided at the top of the tripod, motor and PLC controller are installed in fixing seat, shaft is connected on the output shaft of the motor, external screw thread is provided on the outer wall of the shaft, the soil testing assemblies further include sleeve, the bottom end of sleeve is taper, sleeve includes inner barrel and outer barrel, and the inner wall of inner cylinder is equipped with internal screw thread, offers detection hole on the outer wall of sleeve, it is respectively arranged with moisture transducer in each detection hole, is additionally provided with display screen in the PLC controller.Sleeve can move down under the external screw thread of shaft and the guiding role of fixing seat, the outer cylinder of sleeve is equipped with the spaced apart detection hole of up and down direction, multiple moisture transducers in detection hole can detecte the moisture in the soil of different depth by detection hole, and data are read using display screen, to ensure that the accuracy of testing result.
Description
Technical field
The utility model relates to Soil Testings, more particularly to a kind of soil testing assemblies.
Background technique
The growth of plant needs good soil environment, and demand when how different plants grows to soil environment is different,
Even same plant, different soil environments is also required in its different growth phase.Water in some regional soil
Point content is the important indicator of soil environment, the number of soil moisture directly influence plant can the region whether certain
The growth of special plant, it is therefore desirable to the content of accurate detection soil moisture.
The existing method for soil moisture detection is usually to acquire soil sample, then soil is brought back to laboratory
Inside detected, and during soil sample is brought back to laboratory and detection, due to the change of environment and time,
Moisture in soil sample will appear variation, to influence the accuracy of testing result.
Utility model content
To solve the above-mentioned problems, the purpose of the utility model is to provide a kind of soil testing assemblies, to solve existing skill
The problem of moisture of soil changes and influences the accuracy of testing result when soil is taken back laboratory testing in art.
The technical solution of the soil testing assemblies of the utility model are as follows:
A kind of soil testing assemblies, including tripod are provided with fixing seat at the top of the tripod, install in fixing seat
There is motor and the PLC controller rotated with driving motor is connected to motor, is connected with and extends downwardly on the output shaft of the motor
Shaft, be provided with external screw thread on the outer wall of the shaft, the soil testing assemblies further include with the fixing seat vertically
The sleeve of direction guiding cooperation, the bottom end of sleeve are taper, and sleeve includes the inner barrel and outer barrel arranged along the spaced radial of shaft,
The inner wall of inner cylinder is equipped with the internal screw thread cooperated with shaft thread, offers on the outer wall of sleeve spaced apart along the vertical direction
Detection hole, is respectively arranged with the moisture transducer connecting with PLC controller signal in each detection hole, in the PLC controller
It is additionally provided with the display screen for showing moisture content.
The beneficial effect of the technical solution is that motor and PLC controller, motor driven are equipped in the fixing seat of tripod
Shaft rotation, sleeve can move down under the external screw thread of shaft and the guiding role of fixing seat, hence into soil,
The outer cylinder of sleeve is equipped with the spaced apart detection hole of up and down direction, and moisture transducer is equipped in detection hole, and multiple moisture pass
Sensor can detecte the moisture in the soil of different depth by detection hole, can directly examine to the moisture of soil in field
Survey, and read data using display screen, avoid for soil being made as sample take back laboratory detected and make soil sample by
To the influence of environment and time, to ensure that the accuracy of testing result.
The moisture transducer be outer layer be disposed with lithium chloride coating zinc probe and copper bar, zinc probe and copper bar respectively with
The positive and negative anodes of power supply connect.Lithium chloride absorb soil in vapor and it is conductive, humidity is higher, and water absorption rate is higher, and resistance is smaller,
So as to detect the humidity of soil, convenient for being that electric signal is read for PLC controller by water transform.
Chain link fence is installed at the aperture of the detection hole.Chain link fence can enter to avoid the foreign matter in soil
Detection hole and damage zinc probe.
The guide groove extended up and down is offered on the outer cylinder, is arranged in the fixing seat for being inserted into the guide groove
Guide pad, the sleeve and fixing seat are cooperated by guide groove and guide pad guiding.The cooperation of guide pad and guide groove is simple,
It is easy to process.
The guide groove along the circumferential direction of outer cylinder it is uniformly distributed there are three, fixing seat is equipped with and the guide groove one-to-one three
A guide pad.Sleeve, which enters, will receive resistance in soil, three guide pads have the effect of righting to sleeve, avoid sleeve skew and
It is stuck with shaft.
The tripod includes three supporting legs, and supporting leg includes casing and the telescopic rod that is transferred in casing, is set on telescopic rod
There are multiple fixation holes along its axially spaced-apart arrangement, the pilot hole with fixation hole cooperation, assembly in pilot hole are offered on casing
There is bolt.By the height of fixation hole and the adjustable supporting leg of pilot hole, increase the scope of application of soil testing assemblies.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment 1 of the soil testing assemblies of the utility model；
Fig. 2 is the cooperation schematic diagram of the fixed plate of Fig. 1, shaft and sleeve；
Fig. 3 is the structural schematic diagram of the sleeve of the soil testing assemblies of Fig. 1；
Fig. 4 is the enlarged diagram that the A of Fig. 3 goes out；
Fig. 5 is the structural schematic diagram of the supporting leg of the soil testing assemblies of Fig. 1；
Fig. 6 is the structural schematic diagram of the PLC controller of the soil testing assemblies of Fig. 1.
In figure: 1- tripod, 11- supporting leg, 12- casing, 13- telescopic rod, 14- fixation hole, 15- pilot hole, 2- fixing seat,
21- fixed plate, 22- avoid holes, 23- guide pad, 3- servo motor, 4- shaft, 5- sleeve, 51- inner cylinder, 52- outer cylinder, 53- are led
To slot, 54- detection hole, 55- moisture transducer, 56- chain link fence, 6-PLC controller, 61- display screen.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
The embodiment of the soil testing assemblies of the utility model, as shown in Figures 1 to 6, the soil testing assemblies include three
Corner bracket and the fixing seat 2 that 1 top of tripod is arranged in, tripod 1 are evenly distributed with there are three supporting leg 11 along the circumferential direction around fixing seat 2, prop up
Leg 11 includes casing 12 and the telescopic rod 13 being transferred in casing 12, and telescopic rod 13 is multiple equipped with arranging along its axially spaced-apart
Fixation hole 14 offers the pilot hole 15 cooperated with fixation hole 14 on casing 12, is equipped with bolt in pilot hole 15, passes through fixation
The height in hole 14 and the adjustable supporting leg 11 of pilot hole 15；In other embodiments, supporting leg 11 or the steel of regular length
Pipe.
Fixing seat 2 includes the installing frame for being used to install motor for being located at the fixed plate 21 of bottom and being arranged in fixed plate 21
Frame, motor are servo motor 3, PLC controller 6 are also equipped in fixed plate 21, PLC controller 6 and the connection of servo motor 3 are to control
The rotation direction and velocity of rotation of servo motor 3 processed.Avoid holes 22 are offered in fixed plate 21, on the output shaft of servo motor 3
It is connected with shaft 4, shaft 4 passes through avoid holes 22 and extends downwardly, and is machined with external screw thread on the outer wall of shaft 4.
Soil testing assemblies further include the sleeve 5 that 4 outside of shaft is arranged in, and the bottom end of sleeve 5 is taper, are convenient for sleeve 5
It is inserted into soil.Sleeve 5 includes the inner cylinder 51 and outer cylinder 52 arranged along the spaced radial of shaft 4, is processed on the inner wall of inner cylinder 51
There is the internal screw thread with the external screw thread cooperation in shaft 4, inner cylinder 51 is connected with the top of outer cylinder 52 by reinforcing rib.
The outside of outer cylinder 52 offers the guide groove 53 vertically extended, guide groove 53 altogether there are three and along outer cylinder 52
It is circumferentially-spaced uniformly distributed, the guide pad 23 radially extended along sleeve 5 is convexly equipped on the hole wall of the avoid holes 22 of fixed plate 21, is led
It is corresponded altogether there are three and with guide groove 53 to block 23, guide pad 23 is inserted into guide groove 53, and sleeve 5 passes through 23 He of guide pad
Guide groove 53 is oriented to cooperation along the vertical direction, in other embodiments, guide pad 23 and guide groove 53 can also have respectively one,
Four etc..
Be also provided with detection hole 54 on the outer wall of outer cylinder 52, detection hole 54 along the vertical direction arranged for interval have it is multiple, it is each
It is respectively equipped in detection hole 54 and connect moisture transducer 55 with 6 signal of PLC controller, moisture transducer 55 is that outer layer is disposed with chlorine
Change the zinc probe and copper bar of lithium coating, zinc probe and copper bar are connect with the positive and negative anodes of power supply respectively.Lithium chloride absorbs in soil
Vapor and it is conductive, humidity is higher, and water absorption rate is higher, and resistance is smaller, so as to detect the humidity of soil, convenient for by moisture turn
It turns to electric signal to read for PLC controller 6, the display screen 61 for showing moisture content is additionally provided in PLC controller 6, is convenient for
Operator reads the moisture content in soil.Chain link fence 56, chain link fence 56 are installed at the aperture of detection hole 54
In other embodiments, it is anti-can also to can be omitted metal to avoid the foreign matter in soil enters detection hole 54 and damages zinc probe
Protective net 56.
Above-mentioned soil testing assemblies when in use, the position of telescopic rod 13 and casing 12 are adjusted by bolt, to make
Tripod is in suitable height, connects external power supply, opens servo motor 3 by PLC controller 6, the driving of servo motor 3 turns
Axis 4 is rotated and is moved down with moving sleeve 5, and the bottom end of the taper of sleeve 5 breaks soil and is inserted into soil, is inserted into sleeve 5
In soil after suitable humidity, stop the rotation of servo motor 3, in the zinc probe detection soil in the detection hole 54 of sleeve 5
Moisture simultaneously converts electric signal for moisture data and is conveyed to PLC controller 6, and PLC controller 6 is by built-in program in display screen
The moisture content that each zinc probe detects is shown on 61, to complete the detection to soil moisture.
In the present embodiment, moisture transducer is the zinc probe that outer layer is disposed with lithium chloride coating, in the present embodiment, water
Sub-sensor is frequency domain reflective sensor.
In the present embodiment, outer cylinder and fixing seat are cooperated by guide pad and guide groove guiding, in other embodiments,
Guide pad can be set on outer cylinder, guide groove is set in fixing seat.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvement and replacement can also be made, these change
It also should be regarded as the protection scope of the utility model into replacement.
Claims (6)
1. a kind of soil testing assemblies, it is characterised in that: including tripod, it is provided with fixing seat at the top of the tripod, Gu
Motor is installed in reservation and the PLC controller rotated with driving motor is connected to motor, is connected on the output shaft of the motor
Have the shaft extended downwardly, be provided with external screw thread on the outer wall of the shaft, the soil testing assemblies further include with it is described solid
Reservation is oriented to the sleeve of cooperation along the vertical direction, and the bottom end of sleeve is taper, and sleeve includes arranging along the spaced radial of shaft
Inner barrel and outer barrel, the inner wall of inner cylinder are equipped with the internal screw thread cooperated with shaft thread, vertically side are offered on the outer wall of sleeve
To spaced apart detection hole, the moisture transducer connecting with PLC controller signal is respectively arranged in each detection hole, it is described
The display screen for showing moisture content is additionally provided in PLC controller.
2. soil testing assemblies according to claim 1, it is characterised in that: the moisture transducer is that outer layer is disposed with chlorine
Change the zinc probe and copper bar of lithium coating, zinc probe and copper bar are connect with the positive and negative anodes of power supply respectively.
3. soil testing assemblies according to claim 2, it is characterised in that: be equipped with metal at the aperture of the detection hole
Protective net.
4. soil testing assemblies according to claim 1-3, it is characterised in that: offered on the outer cylinder up and down
The guide groove of extension, the guide pad for being inserted into the guide groove is arranged in the fixing seat, and the sleeve and fixing seat are logical
It crosses guide groove and guide pad guiding cooperates.
5. soil testing assemblies according to claim 4, it is characterised in that: the guide groove is evenly equipped with along the circumferential direction of outer cylinder
Three, fixing seat is equipped with and one-to-one three guide pads of the guide groove.
6. soil testing assemblies according to claim 1-3, it is characterised in that: the tripod includes three branch
Leg, supporting leg include casing and the telescopic rod that is transferred in casing, and telescopic rod is equipped with the multiple fixations arranged along its axially spaced-apart
Hole offers the pilot hole with fixation hole cooperation on casing, is equipped with bolt in pilot hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920163780.XU CN209471125U (en) | 2019-01-30 | 2019-01-30 | A kind of soil testing assemblies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920163780.XU CN209471125U (en) | 2019-01-30 | 2019-01-30 | A kind of soil testing assemblies |
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| Publication Number | Publication Date |
|---|---|
| CN209471125U true CN209471125U (en) | 2019-10-08 |
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ID=68094264
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920163780.XU Active CN209471125U (en) | 2019-01-30 | 2019-01-30 | A kind of soil testing assemblies |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111323080A (en) * | 2020-03-13 | 2020-06-23 | 云南建能科技有限公司 | Mobile crop monitoring device and monitoring method |
| CN113884655A (en) * | 2021-09-29 | 2022-01-04 | 安徽农业大学 | Many times continuous detection device of soil environment |
-
2019
- 2019-01-30 CN CN201920163780.XU patent/CN209471125U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111323080A (en) * | 2020-03-13 | 2020-06-23 | 云南建能科技有限公司 | Mobile crop monitoring device and monitoring method |
| CN113884655A (en) * | 2021-09-29 | 2022-01-04 | 安徽农业大学 | Many times continuous detection device of soil environment |
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