CN217505168U - Annular soil box test bench - Google Patents

Annular soil box test bench Download PDF

Info

Publication number
CN217505168U
CN217505168U CN202220157739.3U CN202220157739U CN217505168U CN 217505168 U CN217505168 U CN 217505168U CN 202220157739 U CN202220157739 U CN 202220157739U CN 217505168 U CN217505168 U CN 217505168U
Authority
CN
China
Prior art keywords
soil
speed
annular
soil tank
rotating shaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202220157739.3U
Other languages
Chinese (zh)
Inventor
石志鸣
赵行
李守太
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Southwest University
Original Assignee
Southwest University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Southwest University filed Critical Southwest University
Priority to CN202220157739.3U priority Critical patent/CN217505168U/en
Application granted granted Critical
Publication of CN217505168U publication Critical patent/CN217505168U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

The utility model discloses an annular soil box test bench belongs to the agricultural machine field. The main characteristics are as follows: the soil-contacting component mounting frame is composed of an annular soil groove, a soil groove support, a fuzzy controller, a variable-frequency speed-regulating motor, a speed reducer, a guide rail, a roller support, a rotating shaft, a soil-contacting component mounting frame, a strain gauge, a speed sensor and the like. The frequency converter controls the variable-frequency speed-regulating motor to reach the designed motor rotating speed. The mounting rack of the soil contacting component can change the contact depth of the soil contacting component and the soil, and further change the maximum tillage depth and the soil penetration depth of the soil contacting component. The strain gauges uniformly arranged on the annular soil groove can analyze and research the stress-strain characteristics of the soil with different heights when the soil contact component works. The utility model discloses an annular soil box, circulated carry out the soil box in succession experimental, effectively shorten experimental and research cycle. Meanwhile, the test bed has the characteristics of simple structure, small occupied area and low cost, and can solve the problem that no test bed is available in scientific research institutions at present.

Description

Annular soil box test bench
Technical Field
The utility model relates to a soil box test bench, concretely relates to can carry out agricultural machines and touch soil component performance test's annular soil box test bench belongs to the agricultural machine field.
Background
Agricultural machine performance test is the indispensable step of novel agricultural implement in research and development and performance improvement, can discover not enough in the design through experimental study to improve, improve agricultural machine performance in order to satisfy the agricultural production demand.
The agricultural machinery performance test is divided into a workshop test and a soil tank test. The performance test of agricultural machinery is mostly carried out in the field, but is limited by various factors such as complete machine development, manpower and material resources, climate, soil preparation and the like, so that the field test has poor operability and low repeatability. The soil tank test can simulate field tests and is not limited by seasons, climate, the complete machine (namely, only testing core working components) and the like, test variables can be accurately controlled, the research and development period is greatly shortened, and the soil tank test is commonly used for novel agricultural machine tests in scientific research institutions.
The traditional straight line type soil tank test trolley can not carry out continuous test (if the soil tank needs to be continuously tested, the test needs to be carried out again after returning to the initial point) because the length of the soil tank is limited, the occupied area is large, the maintenance cost is high, meanwhile, the running stability is poor, and the test requirements of most agricultural machinery can not be well met.
In order to solve the problem, the utility model provides a new technical scheme.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in providing an annular soil box test bench of test in succession to the not enough of current orthoscopic soil box test bench. It features small occupied area, continuous test, stable running and adjustable depth of agricultural machine and soil-contacting part.
The utility model provides a technical scheme that technical problem adopted is:
the utility model provides an annular soil box test bench which characterized in that:
the annular soil tank test bed comprises an annular soil tank, a soil tank support, a fuzzy controller, a frequency converter, a variable frequency speed regulating motor, a fixed rack, a speed reducer, a guide rail, a roller support, a rotating shaft, a fixed clamp, a strain gauge and a speed sensor.
Soil groove support, guide rail, axis of rotation are the shaped steel, convenient to install and dismantle.
The speed reducer is fixed on the fixed rack and connected with the variable-frequency speed-regulating motor.
The rotating shaft is supported and installed on an output shaft of the speed reducer through a roller wheel bracket.
The strain gauges are installed on the annular soil tank and are uniformly arranged at equal intervals.
The speed sensor is installed on the fixed hoop and connected with the fuzzy controller.
The speed reducer is arranged on the fixed rack and connected with the variable-frequency speed-regulating motor.
The variable-frequency speed-regulating motor is arranged on the fixed rack and is connected with the frequency converter through a connecting wire.
The guide rail is fixed on the soil tank bracket.
The roller wheel bracket is connected with the rotating shaft and is arranged in the guide rail.
The fixed clamp is installed on the rotating shaft.
The annular soil tank and the soil tank bracket form a soil tank device of the annular soil tank test bed.
The guide rail, the roller bracket, the variable frequency speed regulating motor, the speed reducer, the rotating shaft, the fixed hoop, the frequency converter, the fuzzy controller, the speed sensor and the strain gauge form a test testing device of the annular soil tank test bed.
Furthermore, the annular soil box test bed occupies a small area and is convenient to move. Wherein, the outer diameter of the annular soil groove is 3.8 meters, the inner diameter is 3.0 meters, the width is 0.4 meters, and the height is 0.4 meters.
Furthermore, the annular soil box test bed can adapt to agricultural machines and soil contact part soil box tests with different working depths. The soil penetration depth of the agricultural machine can be adjusted by adjusting the installation position and the height of the roller bracket, the fixed hoop and the agricultural machine.
Further, the annular soil tank test bed can guarantee that the agricultural machine can stably and continuously perform test tests. The speed sensor arranged on the fixed hoop can measure and test the movement speed of the agricultural machine in real time, and can start the fuzzy controller to control the frequency converter, and the rotating speed of the variable-frequency speed-regulating motor is controlled by the frequency converter.
Furthermore, the annular soil box test bed can be used for researching and analyzing the strain characteristics of soil with different depths in the agricultural machine test. The strain gauges uniformly arranged on the annular soil tank can collect the stress strain of soil with different depths in real time during the test of agricultural equipment.
The utility model relates to an annular soil box test platform's beneficial effect is: the utility model overcomes the defects of the traditional medium-large linear soil tank test platform structure, the incapability of continuous test and large occupied area; the annular soil tank can realize continuous test of agricultural machines, the speed sensor and the fuzzy controller can meet the test requirements of different agricultural machines on the movement speed, the machines can stably and reliably operate, and the reliability and the stability of test results are further ensured; the soil penetration depth of the agricultural machine can be changed by adjusting the positions and the heights of the roller wheel bracket and the fixed hoop; can study the strain characteristic of different degree of depth soil through the stress strain condition of analysis different positions foil gage, can be better satisfy the experimental demand of multiple type agricultural machines.
Drawings
Fig. 1 is a structural diagram of the annular soil tank test bed of the utility model.
Fig. 2 is a structural diagram of the fixing clamp of the annular soil bin test bed of the utility model.
In the figure: 1. annular soil box, 2, soil box support, 3, fuzzy controller, 4, converter, 5, reduction gear, 6, variable frequency speed control motor, 7, guide rail, 8, gyro wheel support, 9, axis of rotation, 10, fixed clamp, 11, fixed rack, 12, speed sensor, 13, foil gage.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings. It should be noted that the following detailed description of the present invention is intended to enable persons skilled in the art to understand the contents of the present invention and implement the present invention, and the protection scope of the present invention should not be limited thereby.
The structural features of the annular soil bin test bed of the present invention will be further described with reference to fig. 1 and 2. The utility model relates to an annular soil box test bench comprises annular soil box 1, soil box support 2, fuzzy controller 3, converter 4, reduction gear 5, variable frequency speed motor 6, guide rail 7, gyro wheel support 8, axis of rotation 9, fixed clamp 10, fixed rack 11, speedtransmitter 12, foil gage 13. The soil tank bracket 2, the guide rail 7 and the rotating shaft 9 are all made of profile steel, so that the mounting and dismounting are convenient; the speed reducer 5 is connected with a variable-frequency speed-regulating motor 6; the speed reducer 5 and the variable-frequency speed-regulating motor 6 are arranged on the fixed rack 11; the rotating shaft 9 is supported by a roller bracket 8 and is connected with the speed reducer 5; the fixed clamp 10 is arranged on the rotating shaft 9 through a U-shaped bolt; the speed sensor 12 is mounted on the fixed clamp 10; the strain gauges 13 are arranged on the annular soil tank 1 and are uniformly arranged at equal intervals; the variable-frequency speed-regulating motor 6 is connected with the frequency converter 4 through a connecting wire; the frequency converter 4 is connected with the fuzzy controller 3 through a connecting wire; the annular soil tank 1 and the guide rail 7 are fixed on the soil tank bracket 2; the roller bracket 8 is arranged on the guide rail 7; the annular soil tank 1 and the soil tank bracket 2 form a soil tank device of an annular soil tank test bed; the fuzzy controller 3, the frequency converter 4, the speed reducer 5, the variable frequency speed regulating motor 6, the guide rail 7, the roller bracket 8, the rotating shaft 9, the fixed hoop 10, the fixed rack 11, the speed sensor 12 and the strain gauge 13 form a test testing device of the annular soil tank test bed.
The working principle of the annular soil tank test platform of the present invention is explained with reference to fig. 1. Agricultural implement installs on fixed clamp 10, acts on the soil in annular soil box 1 under the drive of variable frequency speed governing motor 6, reduction gear 5 and rotation axis 9, and the speed when agricultural implement is experimental is measured in real time by speed sensor 12, and the soil stress size data when agricultural implement is experimental is measured in real time by evenly distributed foil gage 13 on annular soil box 1. In order to ensure the consistency, stability and reliability of the test result, the motion speed in the test process of the agricultural implement is measured in real time by the speed sensor 12 and transmitted to the fuzzy controller 3, the fuzzy controller 3 compares the speed measured in real time with the set speed to analyze the difference, and the fuzzy controller 3 controls the output of the frequency converter 4 to change the rotating speed of the variable-frequency speed-regulating motor 6 so as to keep the motion speed of the agricultural implement consistent with the set speed. Under the condition of a certain soil volume, the soil penetration depth of the agricultural implement can be changed by changing the height of the roller bracket 8 and the installation position of the agricultural implement on the fixing clamp 10.

Claims (2)

1. The utility model provides an annular soil box test bench which characterized in that:
the annular soil tank test bed consists of an annular soil tank (1), a soil tank support (2), a fuzzy controller (3), a frequency converter (4), a speed reducer (5), a variable frequency speed regulating motor (6), a guide rail (7), a roller support (8), a rotating shaft (9), a fixing clamp (10), a fixing rack (11), a speed sensor (12) and a strain gage (13);
the soil tank bracket (2), the guide rail (7) and the rotating shaft (9) are all made of profile steel, so that the mounting and dismounting are convenient;
the speed reducer (5) is connected with the variable-frequency speed-regulating motor (6) and is arranged on the fixed rack (11);
the rotating shaft (9) is supported and mounted on an output shaft of the speed reducer (5) through a roller wheel bracket (8);
the strain gauges (13) are arranged on the annular soil tank (1) and are uniformly arranged at equal intervals;
the speed sensor (12) is arranged on the fixed hoop (10) and is connected with the fuzzy controller (3);
the variable-frequency speed-regulating motor (6) is connected with the frequency converter (4) through a connecting wire;
the frequency converter (4) is connected with the fuzzy controller (3) through a connecting wire;
the guide rail (7) is fixed on the soil tank bracket (2);
the roller wheel bracket (8) is connected with the rotating shaft (9) and is arranged on the guide rail (7);
the fixed clamp (10) is arranged on the rotating shaft (9);
the annular soil tank (1) and the soil tank bracket (2) form a soil tank device of an annular soil tank test bed;
the testing device comprises a fuzzy controller (3), a frequency converter (4), a speed reducer (5), a variable-frequency speed-regulating motor (6), a guide rail (7), a roller support (8), a rotating shaft (9), a fixed clamp (10), a fixed rack (11), a speed sensor (12) and a strain gauge (13).
2. The annular soil bin test stand of claim 1 wherein: the outer diameter of the annular soil groove (1) is 3.8 meters, the inner diameter is 3.0 meters, the width is 0.4 meter, and the height is 0.4 meter; the height of the soil tank bracket (2) is 0.8 m, and the length of the rotating shaft (9) is 2.0 m.
CN202220157739.3U 2022-01-16 2022-01-16 Annular soil box test bench Active CN217505168U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220157739.3U CN217505168U (en) 2022-01-16 2022-01-16 Annular soil box test bench

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220157739.3U CN217505168U (en) 2022-01-16 2022-01-16 Annular soil box test bench

Publications (1)

Publication Number Publication Date
CN217505168U true CN217505168U (en) 2022-09-27

Family

ID=83344766

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220157739.3U Active CN217505168U (en) 2022-01-16 2022-01-16 Annular soil box test bench

Country Status (1)

Country Link
CN (1) CN217505168U (en)

Similar Documents

Publication Publication Date Title
CN203231962U (en) End twist friction and abrasion tester for dynamically observing friction interface in real time
CN103954210B (en) Measuring device and method of automatic non-contact hydro-generator rotor roundness
CN108444816B (en) Rock mass structural plane cyclic shear tester and test method
CN204028320U (en) The comprehensive performance test device of DC motor rotor commutator and carbon brush
CN106895972A (en) A kind of stick-slip experimental rig
CN205384141U (en) Engineering machine tool transmission assembly performance detection and analysis test bench
CN217505168U (en) Annular soil box test bench
CN104898054A (en) Comprehensive performance test device for DC motor rotor commutator and carbon brush
CN208239184U (en) A kind of rock mass discontinuity circulation shear tester
CN113357099B (en) Fatigue diagnosis and detection method for fan tower drum based on acceleration sensor
CN102540075A (en) Loading performance test device for generator unit
CN212780289U (en) Testing machine for determining creep ratio of thermoplastic plastic pipe
CN206661982U (en) A kind of crooked radian section straightening for aluminium section bar bumper
CN206772731U (en) High-precision cylinder pressurization strain controlling formula tetrad staight scissors instrument
CN104897398B (en) Scalable gear fatigue testbed and stress cycle number calculation method thereof
CN106890857A (en) A kind of method of roll-force and axial force in accurate test cold pilger mill operation of rolling
CN206292247U (en) A kind of proximity switch tachymeter
CN213398136U (en) Test device for measuring interface adhesion
CN108106555A (en) A kind of I-beam wheel centre bore full-automatic detection apparatus and detection method
CN202421461U (en) Load performance test device for generator set
CN116481779A (en) Annular soil tank test bed
CN101256115B (en) Device for detecting performance parameter of hanging-ingot type coarse spindle wing
CN209086092U (en) The removable marine jack-up unit shoe model loading test device of one kind
CN207414025U (en) The device of roll-force and axial force in a kind of accurate test cold pilger mill operation of rolling
CN208736946U (en) Multifunctional signal detection device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant