CN107543914A - A kind of soil taper appliance of computer control - Google Patents
A kind of soil taper appliance of computer control Download PDFInfo
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- CN107543914A CN107543914A CN201710918937.0A CN201710918937A CN107543914A CN 107543914 A CN107543914 A CN 107543914A CN 201710918937 A CN201710918937 A CN 201710918937A CN 107543914 A CN107543914 A CN 107543914A
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- computer control
- screw mandrel
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- soil
- computer
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Abstract
The invention discloses kind of a soil taper appliance for computer control,Including circular cone perforation device and computer control system,The circular cone perforation device includes base,Penetration hole is opened up at the center of the base,And the top of base is symmetrically welded with support bar,Pull pressure sensor is installed with successively from top to bottom between the support bar,Transmission device and multi-turn precision potentiator,Circular cone perforation device drives nose cone to carry out injection by screw mandrel,And guide rod is connected with guide groove,Screw mandrel is positioned by guide rod,Ensure that screw mandrel ensures vertically during decline,Pass through rotating and reverse for computer control system controlled motor,So as to control the decline of screw mandrel and rising,Realize the automatic injection of circular cone perforation device with circular cone perforation device by the computer of computer control system again,Automatically record and run into automatically processing for abnormal conditions.
Description
Technical field
The present invention relates to taper appliance technical field, specially a kind of soil taper appliance of computer control.
Background technology
Soil is not only the valuable source of agricultural production, and the work of the main medium of surface car traveling and agricultural machinery
Make object, so, the mechanical-physical character of soil had both been related to the production of crops, and be related to surface car again passes through performance
With driving performance and the transaction capabilities and energy expenditure of agricultural machinery, at present, the scholar in China suggests using cone index CI
The soil mechanics parameter unified as China, cone index CI is determined with cone penetrometer (abbreviation taper appliance), and mesh
Generally manually, by estimating reading or electrical measurement reading, but problems be present, hand in measure in preceding taper appliance
The method of dynamic injection is simple, but unmanageable penetrating speed, is particularly difficult to ensure that taper appliance remains in penetration process
State perpendicular to the ground, has had a strong impact on measurement accuracy, and the error for estimating reading is larger, required for processing data when
Between it is long, although roller recording mode is solved the problems, such as from remembering, but the workload for the curve that collates the minutes throw away it is very big, therefore, we
It is proposed a kind of soil taper appliance of computer control.
The content of the invention
It is an object of the invention to provide a kind of soil taper appliance of computer control, to solve to carry in above-mentioned background technology
The problem of going out.
To achieve the above object, the present invention provides following technical scheme：A kind of soil taper appliance of computer control, including
Circular cone perforation device and computer control system, the circular cone perforation device include base, open up and pass through at the center of the base
Enter hole, and the top of base is symmetrically welded with support bar, and pressure is installed with successively from top to bottom between the support bar
Sensor, transmission device and multi-turn precision potentiator, the transmission device include drive housing, the drive housing
Center at run through screw mandrel, and the top connection pull pressure sensor of screw mandrel, be socketed with nut, and nut clamping on the screw mandrel
In fixed seat, the top mesh driving gear of the nut, and the output end of the right-hand member grafting motor of drive gear, the electricity
Machine is fixedly mounted on the right side wall of drive housing, is rotated by motor driven drive gear, drive gear is driven nut
Rotating, after nut rotation, move up and down screw mandrel, the arranged on left and right sides wall of the screw mandrel symmetrically offers guide groove, and
Clamping guide rod in guide groove, two guide rods are respectively welded at the madial wall of support frame, and guide rod can both make screw mandrel
Preserved vertically when moving up and down, also ensure that screw mandrel moves up and down, and without rotating, the multi-turn precision potentiator
Axis connection friction pulley is inputted, and friction pulley is brought into close contact with screw mandrel, and when screw mandrel moves up and down, multi-turn essence is driven by friction pulley
The input shaft transmission of close potentiometer, for detecting the displacement of screw mandrel；
The computer control system includes computer, A/D and D/A interfaces, signal amplification and process circuit and motor control
Circuit processed, the pulling force sensor of the circular cone perforation device and the signal amplification of computer control system are electrically connected with process circuit
Connect, and the multi-turn precision potentiator of circular cone perforation device electrically connects with A/D the and D/A interfaces of computer control system, the meter
Calculation machine, A/D and D/A interfaces, signal amplification electrically connect with process circuit and circuit for controlling motor.
Preferably, the circular cone drift angle of the nose cone is 30 degree, facilitates the injection of nose cone, the cone floor space of nose cone is
3.2cm2Or 1.3cm2, 3.2cm2Nose cone 10 is used for use of the normal condition to Soil K+adsorption, 1.3cm2Nose cone is used for nonirrigated farmland
Or used in harder soil.
Preferably, the motor is rated power 25W, rated speed 1400r/ min, rated voltage 220V individual event are handed over
Reversible micromachine, and the actuating coil both ends parallel connection 2PF electric capacity of motor are flowed, the noise in circuit is reduced by 2PF electric capacity,
Circuit is avoided to influence the using effect of motor.
Preferably, the pull pressure sensor uses BLR-1 type pull pressure sensor, and the sensor construction is compact, sensitive
Degree, linear preferable, connection more facilitate, and the multi-turn precision potentiator 8 uses 6V dc sources, and guarantee will not turn less than A/D
The scope (0~5V) of the reference voltage changed.
Preferably, the computer uses IBM-PC/XT computers, A/D the and D/A interfaces use MS-0819 eight
A/D interface boards, it can realize that eight road A/D conversions and two-way D/A are changed by eight A/D interface boards of MS-0819, and MS-0819
Eight A/D interface boards are plugged on the notch of computer, pass through programming realization A/D and D/A conversion.
Preferably, the signal amplification includes 6M82 types strain enlarging instrument, photoelectric isolating circuit and power with process circuit
Amplifying circuit, the output end of the 6M82 types strain enlarging instrument electrical connection pull pressure sensor, and 6M82 types strain enlarging instrument
Output end electrically connects A/D translation interfaces, needs to put by the strain of 6M82 types from the penetration resistance signal of pull pressure sensor output
Big instrument just A/D translation interfaces can be used to carry out A/D conversions after being amplified, from the depth of penetration letter of multi-turn precision potentiator output
A/D conversions number can be directly carried out, the output end of photoelectric isolating circuit and power amplification circuit electrical connection the D/A interfaces, make meter
The peripheral control circuits of calculation machine are isolated with internal circuit.
Preferably, the circuit for controlling motor includes relay J1, A.C. contactor KMF, relay J0, A.C. contactor
KMR, upper limit position switch STa and lower position switch STb, relay J1 and A.C. contactor the KMF controlled motor rotate forward, and calculate
Machine first sends out control instruction to D/A1, D/A1 equipped at outlet port is closed in low level, relay J1 normally opened contact, makes control electric
The A.C. contactor KMF of owner's coil is powered, and each normally opened contact closure, motor rotates forward, and makes screw mandrel drive nose cone to be passed through
Entering, computer samples to depth of penetration and penetration resistance simultaneously, and relay J0 and the reversion of A.C. contactor KMR controlled motors,
If injection reaches defined depth or runs into abnormal conditions, computer sends out control instruction to D/A0, makes D/A0 delivery outlets
In low level, relay J0 normally opened contact closes, and the A.C. contactor KMR of the rotating control of motor is powered, respectively
Normally opened contact closes, and motor reversal, screw mandrel is increased, and the upper limit position switch STa and lower position switch STb carry out spacing control
System, when screw mandrel rises to mobile height, disconnect upper limit position switch STa, then screw mandrel stops upward, if being fallen into a trap in penetration process
Calculation machine is out of hand to motor, lower position switch STb closures, controlled motor reversion, and drive screw rises.
Compared with prior art, the beneficial effects of the invention are as follows：A kind of soil taper appliance of computer control, is provided with circle
Perforation device and computer control system are bored, circular cone perforation device drives nose cone to carry out injection by screw mandrel, and screw mandrel both sides are opened
Provided with guide groove, and guide rod is connected with guide groove, screw mandrel is positioned by guide rod, ensure mistake of the screw mandrel in decline
Ensure in journey it is vertical, by rotating and reverse for computer control system controlled motor, so as to control the decline of screw mandrel and rising,
The automatic injection of circular cone perforation device, automatic record are realized by the computer and circular cone perforation device of computer control system again
With run into automatically processing for abnormal conditions.
Brief description of the drawings
Fig. 1 is the structural representation of circular cone perforation device of the present invention；
Fig. 2 is the detail view A in Fig. 1；
Fig. 3 is the structure chart of computer control system of the present invention；
Fig. 4 is the circuit diagram of circuit for controlling motor of the present invention.
In figure：1st, circular cone perforation device, 2, computer control system, 3, base, 4, penetration hole, 5, support bar, 6, tension and compression
Force snesor, 7, transmission device, 71, drive housing, 72, screw mandrel, 73, nut, 74, drive gear, 75, motor, 76,
Guide groove, 77, guide rod, 8, multi-turn precision potentiator, 9, friction pulley, 10, nose cone.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Fig. 1 to Fig. 3 is referred to, the present invention provides a kind of technical scheme：A kind of soil taper appliance of computer control, including
Circular cone perforation device 1 and computer control system 2, the circular cone perforation device 1 include base 3, opened at the center of the base 3
If penetration hole 4, and the top of base 3 is symmetrically welded with support bar 5, is fixedly mounted successively from top to bottom between the support bar 5
There are pull pressure sensor 6, transmission device 7 and multi-turn precision potentiator 8, the transmission device 7 includes drive housing 71,
Run through screw mandrel 72, and the top connection pull pressure sensor 6 of screw mandrel 72, the screw mandrel at the center of the drive housing 71
Nut 73 is socketed with 72, and nut 73 is connected in fixed seat 74, the top mesh driving gear 74 of the nut 73, and drive
The output end of the right-hand member grafting motor 75 of moving gear 74, the motor 75 are fixedly mounted on the right side wall of drive housing 71,
Drive drive gear 74 to rotate by motor 75, make drive gear 74 drive nut 73 to rotate, after nut 73 rotates, make screw mandrel
72 can move up and down, and the arranged on left and right sides wall of the screw mandrel 72 symmetrically offers guide groove 76, and clamping is oriented in guide groove 76
Bar 77, two guide rods 77 are respectively welded at the madial wall of support frame 5, and guide rod 77 both can move up and down screw mandrel 72
Shi Baocun is vertical, also ensure that screw mandrel 72 moves up and down, and without rotating, the input of the multi-turn precision potentiator 8
Axis connection friction pulley 9, and friction pulley 9 is brought into close contact with screw mandrel 72, when screw mandrel 72 moves up and down, is driven by friction pulley 9 more
The input shaft transmission of precision potentiator 8 is enclosed, for detecting the displacement of screw mandrel 72, the bottom grafting nose cone of the screw mandrel 72
10；
The computer control system 2 includes computer, A/D and D/A interfaces, signal amplification and process circuit and motor control
Circuit processed, the pulling force sensor 6 of the circular cone perforation device 1 and the signal amplification of computer control system 2 and process circuit electricity
Connection, and the multi-turn precision potentiator 8 of circular cone perforation device 1 electrically connects with A/D the and D/A interfaces of computer control system 2, institute
State computer, A/D and D/A interfaces, signal amplification electrically connected with process circuit and circuit for controlling motor.
Specifically, the circular cone drift angle of the nose cone 10 is 30 degree, facilitates the injection of nose cone 10, the cone of nose cone 10
Floor space is 3.2cm2Or 1.3cm2, 3.2cm2Nose cone 10 is used for use of the normal condition to Soil K+adsorption, 1.3cm2Nose cone
10 are used in nonirrigated farmland or harder soil use.
Specifically, the motor 75 is rated power 25W, rated speed 1400r/ min, rated voltage 220V list
Item exchanges reversible micromachine 75, and the actuating coil both ends parallel connection 2PF electric capacity of motor 75, is reduced by 2PF electric capacity in circuit
Noise, avoid circuit influence motor 75 using effect.
Specifically, the pull pressure sensor 6 is compact, clever using BLR-1 type pull pressure sensor, the sensor construction
Sensitivity, linear preferable, connection more facilitate, and the multi-turn precision potentiator 8 uses 6V dc sources, and guarantee will not be less than A/D
The scope (0~5V) of the reference voltage of conversion；, will in this patent.
In one embodiment, motor preferentially selects constant speed motor, and the screw mandrel 72 uses constant worm pich, passes through constant speed electricity
The constant revolution of machine, circular cone uniform descent is may insure when being transferred to circular cone by equidistant screw mandrel 72, so can be notable
Reduce test error.After reaching 5-10mm/s especially by constant speed motor and equidistant screw rod control decrease speed, other interference
Error is just very small, less than 1%.
Specifically, the computer uses IBM-PC/XT computers, A/D the and D/A interfaces use MS-0819 eight
Position A/D interface boards, it can realize that eight road A/D conversions and two-way D/A are changed by eight A/D interface boards of MS-0819, and MS-
0819 8 A/D interface boards are plugged on the notch of computer, pass through programming realization A/D and D/A conversion.
Specifically, the signal amplification includes 6M82 types strain enlarging instrument, photoelectric isolating circuit and work(with process circuit
Rate amplifying circuit, the output end of the 6M82 types strain enlarging instrument electrical connection pull pressure sensor 6, and 6M82 types strain enlarging instrument
Output end electrical connection A/D translation interfaces, from pull pressure sensor 6 export penetration resistance signal need by 6M82 types should
Becoming after enlarging instrument is amplified just A/D translation interfaces can be used to carry out A/D conversions, the injection exported from multi-turn precision potentiator 8
Depth signal can directly carry out A/D conversions, the output of photoelectric isolating circuit and power amplification circuit electrical connection the D/A interfaces
End, makes the peripheral control circuits of computer isolate with internal circuit.
Specifically, the circuit for controlling motor connects including relay J1, A.C. contactor KMF, relay J0, exchange
Tentaculum KMR, upper limit position switch STa and lower position switch STb, relay J1 and A.C. contactor the KMF controlled motor 75 is just
Turning, computer first sends out control instruction to D/A1, D/A1 equipped at outlet port is closed in low level, relay J1 normally opened contact,
The A.C. contactor KMF of the main coil of controlled motor 75 is set to be powered, each normally opened contact closure, motor 75 rotates forward, and drives screw mandrel 72
Nose cone 10 carries out injection, and computer samples to depth of penetration and penetration resistance simultaneously, and relay J0 and A.C. contactor
KMR controlled motors 75 invert, if injection reaches defined depth or runs into abnormal conditions, computer is sent out to D/A0 and controlled
Instruction, D/A0 equipped at outlet port is closed in low level, relay J0 normally opened contact, make the friendship of the rotating control of motor 75
Flow contactor KMR to be powered, each normally opened contact closure, motor 75 inverts, and makes screw mandrel 72 increase, the upper limit position switch STa is with
Limit switch STb carries out spacing control, moves height when screw mandrel 72 rises to, disconnects upper limit position switch STa, then screw mandrel 72
Stop upwards, if out of hand to motor in penetration process Computer, lower position switch STb closures, controlled motor 75
Reversion, drive screw 72 rise.
Operation principle：The cone index CI of soil is carried out to a kind of soil taper appliance of computer control is needed to use
During detection, it is 3.2cm to select cone floor space according to the situation of soil2Nose cone 10 or 1.3cm2Nose cone 10, base 3 is fixed
Above the soil of required test, rotated forward by computer controlled motor 75, the motorized motions gear 74 of motor 75 is driven spiral shell
Mother 73, after nut 73 rotates, screw mandrel 72 is moved down, injection is carried out by the nose cone 10 of the bottom of screw mandrel 72, in injection
During, screw mandrel 72 is connected in guide groove 76 by guide rod 77, screw mandrel 72 is not rotated, while in injection
During keep vertical, computer is sampled by pulling force sensor 6 to the resistance of injection, passes through multi-turn precision potentiator 8
The depth of injection is sampled, cone index CI is then calculated by depth of penetration and penetration resistance, is justified when screw mandrel 72 drives
During conehead 10 carries out injection, if burst fortuitous event, makes computer lose the control to motor 75, lower position switch
STb is closed, and controlled motor 75 inverts, and drive screw 72 rises, and is ensured that nose cone 10 is taken out from soil, is carried out to overhaul
Next time uses.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the involved claim of limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (7)
- A kind of 1. soil taper appliance of computer control, it is characterised in that：Including circular cone perforation device (1) and computer control system Unite (2), the circular cone perforation device (1) includes base (3), penetration hole (4), and base are opened up at the center of the base (3) (3) top is symmetrically welded with support bar (5), is installed with pressure biography between the support bar (5) successively from top to bottom Sensor (6), transmission device (7) and multi-turn precision potentiator (8), the transmission device (7) include drive housing (71), institute State and run through screw mandrel (72) at the center of drive housing (71), and the top connection pull pressure sensor (6) of screw mandrel (72), institute State and nut (73) is socketed with screw mandrel (72), and nut (73) is connected in fixed seat (74), the top of the nut (73) is nibbled Drive gear (74), and the output end of the right-hand member grafting motor (75) of drive gear (74) are closed, the motor (75) is fixedly mounted Right side wall in drive housing (71), the arranged on left and right sides wall of the screw mandrel (72) symmetrically offers guide groove (76), and leads To the interior clamping guide rod (77) of groove (76), two guide rods (77) are respectively welded at the madial wall of support frame (5), described more The input axis connection friction pulley (9) of precision potentiator (8) is enclosed, and friction pulley (9) is brought into close contact with screw mandrel (72), the screw mandrel (72) bottom grafting nose cone (10)；The computer control system (2) includes computer, A/D and D/A interfaces, signal amplification and process circuit and motor control Circuit, the pulling force sensor (6) of the circular cone perforation device (1) and the signal amplification of computer control system (2) and processing electricity Road electrically connects, and the multi-turn precision potentiator (8) of circular cone perforation device (1) and the A/D and D/A of computer control system (2) connect Mouth electrical connection, the computer, A/D and D/A interfaces, signal amplification electrically connect with process circuit and circuit for controlling motor.
- A kind of 2. soil taper appliance of computer control according to claim 1, it is characterised in that：The nose cone (10) Circular cone drift angle be 30 degree, the cone floor space of nose cone (10) is 3.2cm2Or 1.3cm2。
- A kind of 3. soil taper appliance of computer control according to claim 1, it is characterised in that：The motor (75) is Rated power 25W, rated speed 1400r/ min, rated voltage the 220V reversible micromachine of individual event exchange, and motor (75) Actuating coil both ends parallel connection 2PF electric capacity.
- A kind of 4. soil taper appliance of computer control according to claim 1, it is characterised in that：The pressure sensing Device (6) uses BLR-1 type pull pressure sensor, and the multi-turn precision potentiator (8) uses 6V dc sources.
- A kind of 5. soil taper appliance of computer control according to claim 1, it is characterised in that：The computer uses IBM-PC/XT computers, A/D the and D/A interfaces use eight A/D interface boards of MS-0819, and eight A/D interfaces of MS-0819 Plate is plugged on the notch of computer.
- A kind of 6. soil taper appliance of computer control according to claim 1, it is characterised in that：Signal amplification with Process circuit includes 6M82 types strain enlarging instrument, photoelectric isolating circuit and power amplification circuit, the 6M82 types and strains enlarging instrument Electrically connect the output end of pull pressure sensor (6), and the output end electrical connection A/D translation interfaces of 6M82 types strain enlarging instrument, institute State the output end of photoelectric isolating circuit and power amplification circuit electrical connection D/A interfaces.
- A kind of 7. soil taper appliance of computer control according to claim 1, it is characterised in that：The motor control electricity Road includes relay J1, A.C. contactor KMF, relay J0, A.C. contactor KMR, upper limit position switch STa and lower position switch STb, relay J1 and A.C. contactor the KMF controlled motor (75) rotate forward, and relay J0 and A.C. contactor KMR controls Motor (75) inverts, and the upper limit position switch STa and lower position switch STb carry out spacing control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710918937.0A CN107543914A (en) | 2017-09-30 | 2017-09-30 | A kind of soil taper appliance of computer control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710918937.0A CN107543914A (en) | 2017-09-30 | 2017-09-30 | A kind of soil taper appliance of computer control |
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| Publication Number | Publication Date |
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| CN107543914A true CN107543914A (en) | 2018-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710918937.0A Pending CN107543914A (en) | 2017-09-30 | 2017-09-30 | A kind of soil taper appliance of computer control |
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Cited By (5)
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| CN108717082A (en) * | 2018-07-04 | 2018-10-30 | 清华大学 | A kind of compaction of earth rock material quality continuous assessment method based on integrated sonic detection technology |
| CN108828185A (en) * | 2018-04-24 | 2018-11-16 | 吉林大学 | A kind of Chinese herbaceous peony measurement vehicle-mounted cone index instrument of formula |
| CN111198143A (en) * | 2020-01-09 | 2020-05-26 | 大连理工大学 | Electric control type penetrometer for measuring hardness of accumulated snow |
| CN114384230A (en) * | 2021-12-14 | 2022-04-22 | 华中农业大学 | Farmland soil parameter measuring trolley |
| CN115165645A (en) * | 2022-06-21 | 2022-10-11 | 大连理工大学 | Electric control type penetrometer for measuring hardness of accumulated snow |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108828185A (en) * | 2018-04-24 | 2018-11-16 | 吉林大学 | A kind of Chinese herbaceous peony measurement vehicle-mounted cone index instrument of formula |
| CN108717082A (en) * | 2018-07-04 | 2018-10-30 | 清华大学 | A kind of compaction of earth rock material quality continuous assessment method based on integrated sonic detection technology |
| CN111198143A (en) * | 2020-01-09 | 2020-05-26 | 大连理工大学 | Electric control type penetrometer for measuring hardness of accumulated snow |
| CN114384230A (en) * | 2021-12-14 | 2022-04-22 | 华中农业大学 | Farmland soil parameter measuring trolley |
| CN115165645A (en) * | 2022-06-21 | 2022-10-11 | 大连理工大学 | Electric control type penetrometer for measuring hardness of accumulated snow |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180105 |