CN110672337A - Three-dimensional force measuring device of soil box experiment trolley rear suspension - Google Patents
Three-dimensional force measuring device of soil box experiment trolley rear suspension Download PDFInfo
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- CN110672337A CN110672337A CN201911004783.XA CN201911004783A CN110672337A CN 110672337 A CN110672337 A CN 110672337A CN 201911004783 A CN201911004783 A CN 201911004783A CN 110672337 A CN110672337 A CN 110672337A
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- seat plate
- plate assembly
- suspension
- pulling
- fixed seat
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/04—Suspension or damping
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/005—Testing of complete machines, e.g. washing-machines or mobile phones
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- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
A three-dimensional force measuring device is hung behind an earth tank experiment trolley, belonging to agricultural machinery experiment equipment; the rear end part of the soil tank experiment trolley is fixedly provided with a fixed seat plate assembly, the rear side part of the fixed seat plate assembly is provided with a suspension seat plate assembly with a three-point suspension mechanism through hinges which can move forwards, backwards, upwards, downwards, leftwards and rightwards relative to the fixed seat plate assembly sequentially through a longitudinal upward pull-press sensor, a right pull-press sensor, a vertical rightward pull-press sensor and a transverse pull-press sensor, the longitudinal upward pull-press sensor, the right pull-press sensor and the transverse pull-press sensor are integrally arranged in a horizontal triangle shape, the right pull-press sensor and the left pull-press sensor are respectively arranged in a vertical shape, and the transverse pull-press sensor is arranged in; the device can realize the three-dimensional stress and change condition of the tested agricultural implement in real time, and has the characteristics of reasonable structure, comprehensive stress detection, real time, accurate data, wide application range, strong adaptability and high generalization degree.
Description
Technical Field
The invention belongs to agricultural machinery experimental equipment, and mainly relates to a force measuring device of an agricultural machinery soil tank experimental trolley.
Background
In order to improve the design level of agricultural machinery, accelerate the progress of scientific research and design and reduce the cost of machine design experiments, at present, many agricultural machinery adopts an experiment trolley as a traction power machine to draw agricultural machines (including operation parts, assemblies and the like) which are detected by experiments in a soil tank laboratory in the research, development and design processes to complete experimental tests in soil of the soil tank and provide data for the scientific research and design of the agricultural machines, the parts and the assemblies. However, due to the defects in structural design, rigid fixed direct connection structures are adopted between the existing soil tank experiment trolley and the tested agricultural implement, the stress conditions in the longitudinal direction, the transverse direction and the vertical direction cannot be detected for the tested agricultural implement or a component assembly in the experiment test, the detection content is incomplete, the provided experiment data is incomplete, and the stress conditions of the operation of the agricultural implement and the design level and quality of the agricultural implement cannot be truly and accurately reflected.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and researches and designs a three-dimensional force measuring device hung behind an earth tank experiment trolley by combining with the actual requirements of scientific research design of agricultural implements, so that the aims of measuring the three-dimensional stress condition of the agricultural implements in real time, having comprehensive force measuring data, high measuring precision, strong adaptability and high generalization degree are achieved.
The purpose of the invention is realized as follows: the rear end part of the soil tank experiment trolley is fixedly provided with a fixed seat plate assembly, and the rear side part of the fixed seat plate assembly is sequentially provided with a suspension seat plate assembly through hinges which can move front, back, up, down, left and right relative to the fixed seat plate assembly; the front ends and the rear ends of the longitudinal upward pulling and pressing sensor, the longitudinal right pulling and pressing sensor and the longitudinal left pulling and pressing sensor are respectively and horizontally arranged and hinged on the fixed seat plate assembly and the suspension seat plate assembly and are sequentially and respectively positioned at the upper part, the right lower side part and the left lower side part between the fixed seat plate assembly and the suspension seat plate assembly, and the whole body is arranged in a triangular shape; the vertical right pulling and pressing sensor and the vertical left pulling and pressing sensor are respectively vertically arranged at the right side part and the left side part between the fixed seat plate assembly and the suspension seat plate assembly, and the upper end and the lower end of the vertical right pulling and pressing sensor and the vertical left pulling and pressing sensor are respectively hinged with the fixed seat plate assembly and the suspension seat plate assembly; the transverse tension and compression sensor is horizontally and transversely arranged at a position between the fixed seat plate assembly and the suspension seat plate assembly, and the left end and the right end of the transverse tension and compression sensor are respectively hinged with the fixed seat plate assembly and the suspension seat plate assembly; the rear end part of the suspension seat plate assembly is provided with a three-point suspension mechanism, the upper suspension point of the three-point suspension mechanism can be adjusted in a vertical direction on the suspension seat plate assembly in a moving mode, and the two lower suspension points of the three-point suspension mechanism can be adjusted in a horizontal direction on the suspension seat plate assembly in a moving mode, so that the three-dimensional force measuring device for the rear suspension of the soil bin experiment trolley is formed.
The invention realizes real-time and comprehensive measurement of three-dimensional stress and change conditions of operation in an experiment that the soil tank experiment trolley draws the tested agricultural implement or part, part and assembly, has the characteristics of reasonable structure, comprehensive and real-time stress detection, accurate data, wide application range, strong adaptability and high generalization degree, and provides technical support for accelerating the scientific research design progress of the agricultural implement, shortening the scientific research period and reducing the design cost.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a three-dimensional force measuring device suspended behind an earth tank experiment trolley;
FIG. 2 is a top view of FIG. 1;
fig. 3 is a left side view of the mounting structure of the suspension bedplate assembly and the three-point suspension mechanism in fig. 1.
Description of part numbers in the figures:
1. the soil box test bed comprises a soil box test bed trolley, 2 vertical right tension and compression sensors, 3 vertical right tension and compression sensors, 4 three-point suspension mechanisms, 5 suspension seat plate assemblies, 6 vertical upward tension and compression sensors, 7 fixed seat plate assemblies, 8 horizontal tension and compression sensors, 9 vertical left tension and compression sensors, 10 vertical left tension and compression sensors.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. A three-dimensional force measuring device hung behind an earth groove experiment trolley comprises the earth groove experiment trolley 1, wherein a fixed seat plate assembly 7 is fixedly installed at the rear end part of the earth groove experiment trolley 1, and a hanging seat plate assembly 5 can be installed on the rear side part of the fixed seat plate assembly 7 through hinges which can move forwards, backwards, upwards, downwards, leftwards and rightwards relative to the fixed seat plate assembly 7 in sequence, namely a longitudinal upwards pulling and pressing sensor 6, a longitudinal right pulling and pressing sensor 3, a longitudinal left pulling and pressing sensor 9, a vertical right pulling and pressing sensor 2, a vertical left pulling and pressing sensor 10 and a transverse pulling and pressing sensor 8; the front ends and the rear ends of the longitudinal upward tension and compression sensor 6, the longitudinal right tension and compression sensor 3 and the longitudinal left tension and compression sensor 9 are respectively hinged on the fixed seat plate assembly 7 and the suspension seat plate assembly 5 in a horizontal configuration mode, are sequentially and respectively positioned at the upper part, the right lower side part and the left lower side part between the fixed seat plate assembly 7 and the suspension seat plate assembly 5, and are integrally configured in a triangular shape; the vertical right-hand pulling and pressing sensor 2 and the vertical left-hand pulling and pressing sensor 10 are respectively vertically arranged at the right side part and the left side part between the fixed seat plate assembly 7 and the suspension seat plate assembly 5, and the upper ends and the lower ends of the vertical right-hand pulling and pressing sensor 2 and the vertical left-hand pulling and pressing sensor 10 are respectively hinged with the fixed seat plate assembly 7 and the suspension seat plate assembly 5; the transverse tension and compression sensor 8 is horizontally and transversely arranged between the fixed seat plate assembly 7 and the suspension seat plate assembly 5, and the left end and the right end of the transverse tension and compression sensor 8 are respectively hinged with the fixed seat plate assembly 7 and the suspension seat plate assembly 5; the rear end part of the suspension seat plate assembly 5 is provided with a three-point suspension mechanism 4, the upper suspension point of the three-point suspension mechanism 4 can be movably adjusted on the suspension seat plate assembly 5 in the vertical direction, and the two lower suspension points of the three-point suspension mechanism 4 can be movably adjusted on the suspension seat plate assembly 5 in the horizontal direction.
During the experiment, the three-point suspension mechanism 4 is used for suspending and assembling the detected agricultural implement or component, assembly and part on the suspension seat plate assembly 5, and the detected agricultural implement or component, assembly and part moves forward under the traction of the soil tank experiment trolley 1 through the fixed seat plate assembly 7, the longitudinal upward, right and left tension and pressure sensors 6, 3 and 9, the suspension seat plate assembly 5 and the three-point suspension mechanism 4 in sequence, so that the detection of the longitudinal tension change of the detected agricultural implement or component, assembly and part is completed. In the detection operation, when the resistance of the detected agricultural implement or component, assembly, part and the like is changed by the vertical force or the horizontal force of the soil, the force change situation is detected in real time by the right and left tension and compression sensors 2 and 10 and the horizontal tension and compression sensor 8, and the three-dimensional force measurement detection is completed. The positions of an upper suspension point and two lower suspension points of the three-point suspension mechanism 4 are adjusted on the suspension seat plate assembly 5, so that the suspension size configuration requirements of different agricultural implements can be met and adapted.
Claims (1)
1. The utility model provides a three-dimensional measuring force device of suspension behind soil box laboratory bench car, includes soil box laboratory bench car (1), its characterized in that: a fixed seat plate assembly (7) is fixedly installed at the rear end part of the soil box experiment trolley (1), and a suspended seat plate assembly (5) is installed on the rear side part of the fixed seat plate assembly (7) in a hinged mode, wherein the hinged installation can move forwards, backwards, upwards, downwards, leftwards and rightwards relative to the fixed seat plate assembly (7), and the hinged installation can sequentially pass through a longitudinal upwards-pulling and pressing sensor (6), a longitudinal right-pulling and pressing sensor (3), a longitudinal left-pulling and pressing sensor (9), a vertical right-pulling and pressing sensor (2), a vertical left-pulling and pressing sensor (10) and a transverse pulling and pressing sensor (8); the front ends and the rear ends of the longitudinal upward pulling and pressing sensor (6), the longitudinal right pulling and pressing sensor (3) and the longitudinal left pulling and pressing sensor (9) are respectively and horizontally arranged and hinged on the fixed seat plate assembly (7) and the suspension seat plate assembly (5) and are sequentially and respectively positioned at the upper part, the right lower part and the left lower part between the fixed seat plate assembly (7) and the suspension seat plate assembly (5), and the whole body is in a triangular configuration; the vertical right pulling and pressing sensor (2) and the vertical left pulling and pressing sensor (10) are respectively vertically arranged at the right side part and the left side part between the fixed seat plate assembly (7) and the suspension seat plate assembly (5), and the upper end and the lower end of the vertical right pulling and pressing sensor (2) and the vertical left pulling and pressing sensor (10) are respectively hinged with the fixed seat plate assembly (7) and the suspension seat plate assembly (5); the transverse tension and compression sensor (8) is horizontally and transversely arranged at the position between the fixed seat plate assembly (7) and the suspension seat plate assembly (5), and the left end and the right end of the transverse tension and compression sensor (8) are respectively hinged with the fixed seat plate assembly (7) and the suspension seat plate assembly (5); the rear end part of the suspension seat plate assembly (5) is provided with a three-point suspension mechanism (4), the upper suspension point of the three-point suspension mechanism (4) can be movably adjusted in the vertical direction on the suspension seat plate assembly (5), and the two lower suspension points of the three-point suspension mechanism (4) can be movably adjusted in the horizontal direction on the suspension seat plate assembly (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911004783.XA CN110672337A (en) | 2019-10-16 | 2019-10-16 | Three-dimensional force measuring device of soil box experiment trolley rear suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911004783.XA CN110672337A (en) | 2019-10-16 | 2019-10-16 | Three-dimensional force measuring device of soil box experiment trolley rear suspension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110672337A true CN110672337A (en) | 2020-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911004783.XA Pending CN110672337A (en) | 2019-10-16 | 2019-10-16 | Three-dimensional force measuring device of soil box experiment trolley rear suspension |
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| CN (1) | CN110672337A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115265902A (en) * | 2022-07-25 | 2022-11-01 | 中国农业大学 | Calibration test bed of three-pin type suspension force measuring system of tractor |
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| CN103323160A (en) * | 2012-03-19 | 2013-09-25 | 现代农装科技股份有限公司 | Suspension device for hooking agricultural implement |
| CN106092413A (en) * | 2016-07-19 | 2016-11-09 | 农业部南京农业机械化研究所 | Soil bin test test platform |
| EP3118111A1 (en) * | 2015-07-10 | 2017-01-18 | Airbus Operations Limited | Landing gear shock absorber servicing |
| CN205971555U (en) * | 2016-08-16 | 2017-02-22 | 常州市瑞泰工程机械有限公司 | Combined tractor of battery |
| CN106926657A (en) * | 2017-03-07 | 2017-07-07 | 浙江小豆电气科技有限公司 | Automobile rear suspension assembly |
| CN207163627U (en) * | 2017-07-20 | 2018-03-30 | 沈阳农业大学 | A kind of suspension type space dynamometric system |
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2019
- 2019-10-16 CN CN201911004783.XA patent/CN110672337A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103323160A (en) * | 2012-03-19 | 2013-09-25 | 现代农装科技股份有限公司 | Suspension device for hooking agricultural implement |
| EP3118111A1 (en) * | 2015-07-10 | 2017-01-18 | Airbus Operations Limited | Landing gear shock absorber servicing |
| CN106092413A (en) * | 2016-07-19 | 2016-11-09 | 农业部南京农业机械化研究所 | Soil bin test test platform |
| CN205971555U (en) * | 2016-08-16 | 2017-02-22 | 常州市瑞泰工程机械有限公司 | Combined tractor of battery |
| CN106926657A (en) * | 2017-03-07 | 2017-07-07 | 浙江小豆电气科技有限公司 | Automobile rear suspension assembly |
| CN207163627U (en) * | 2017-07-20 | 2018-03-30 | 沈阳农业大学 | A kind of suspension type space dynamometric system |
Non-Patent Citations (1)
| Title |
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| 王明东等: "基于道路载荷谱的重型汽车后悬架推力杆受力分析", 《汽车实用技术》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115265902A (en) * | 2022-07-25 | 2022-11-01 | 中国农业大学 | Calibration test bed of three-pin type suspension force measuring system of tractor |
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Application publication date: 20200110 |