CN215448136U - Spring weighing machine - Google Patents

Spring weighing machine Download PDF

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Publication number
CN215448136U
CN215448136U CN202121936647.7U CN202121936647U CN215448136U CN 215448136 U CN215448136 U CN 215448136U CN 202121936647 U CN202121936647 U CN 202121936647U CN 215448136 U CN215448136 U CN 215448136U
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CN
China
Prior art keywords
spring
double
weighing
supporting plate
electromagnetic force
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CN202121936647.7U
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Chinese (zh)
Inventor
范永申
段福义
曹引波
陈震
程千
马春芽
李鹏
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Farmland Irrigation Research Institute of CAAS
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Farmland Irrigation Research Institute of CAAS
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Abstract

The utility model relates to a spring type weighing machine which comprises a lower stable connection supporting plate, wherein a plurality of groups of double-spring bearing structures are arranged on the lower stable connection supporting plate, an upper stable connection supporting plate is arranged on each double-spring bearing structure, each double-spring bearing structure comprises a first spring and a second spring, an electromagnetic force sensor is arranged on the lower surface of each spring, the first springs and the second springs are parallel proportional springs, the electromagnetic force sensors are electrically connected with a weighing control instrument, and the weighing control instrument is electrically connected with a power supply unit. The utility model has the advantages that: simple structure, high-precision weighing, convenient installation and low cost.

Description

Spring weighing machine
Technical Field
The utility model relates to the technical field of meteorological monitoring equipment, in particular to a spring type weighing machine.
Background
The underlying surface evaporation measurement technology is a more systematic and more comprehensive standard test means developed and produced for determining farmland transpiration evaporation and conversion of underground water and soil water on the basis of continuous and deep development of the subject fields of modern electronic technology, soil physics, microclimate and the like, and is an important requirement for researching the water consumption rule of crops and the water transportation and conversion rule of a SPAC system. At present, a large-volume container is mostly adopted to isolate soil around an underlying surface, the soil is placed on a weighing platform to measure weight change, the whole weight is more than 10 tons, and meanwhile, 100g of weight change needs to be distinguished, in the prior art, the scale is reduced by a mechanical lever or a steel wire hanging method, the reduction coefficient is at least more than 100, then the reduced weight change is measured by a small-range sensor with the division number exceeding ten million, and finally the total weight change with the resolution ratio of 100g is obtained.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem and provides a spring type weighing machine with a simple structure.
In order to solve the technical problems, the technical scheme provided by the utility model is as follows: the spring weighing machine comprises a lower stable connection supporting plate, wherein a plurality of groups of double-spring bearing structures are arranged on the lower stable connection supporting plate, the upper stable connection supporting plate is arranged on the double-spring bearing structures, each double-spring bearing structure comprises a first spring and a second spring, an electromagnetic force sensor is arranged on one lower surface of each spring, the first springs and the second springs are parallel proportional springs, the electromagnetic force sensors are electrically connected with a weighing control instrument, and the weighing control instrument is electrically connected with a power supply unit.
The utility model has the advantages that: the utility model reduces the weight in equal proportion by the double-spring structure, and provides the spring type weighing machine with simple mechanical structure; the double-spring bearing structure is a parallel proportional spring, can perform bearing distribution with a fixed proportion on weight, the upper stable connection supporting plate is connected with the upper parts of a plurality of double-spring bearing structures to form an integral weighing platform which can freely move and accept a heavy-weight container, the lower stable connection supporting plate is connected with the lower parts of the plurality of double-spring bearing structures to form an integral weighing platform which is connected with a foundation and is immovable, the electromagnetic force sensor is high-precision weighing equipment, the division number can reach over ten-million levels, the weighing control instrument is connected with the electromagnetic force sensor, the weight value of the electromagnetic force sensor is displayed and can be used as bus output for an upper computer to read real-time data for further expanded use, the power supply unit is used for providing a direct-current pure power supply for the weighing control instrument, and interference signals are reduced and are superposed on a circuit part of the electromagnetic force sensor.
As an improvement, the lower stable connecting supporting plate is fixed on the foundation through a fastener.
As an improvement, the upper stable connecting supporting plate is movably connected with the double-spring bearing structure.
As an improvement, the double-spring bearing structures are at least arranged into three groups, the three groups of double-spring bearing structures enclose an isosceles triangle, and the triangle structure is most stable and the used materials are least.
As an improvement, the double-spring bearing structure is fixed on the lower stable connecting supporting plate through a fastener.
As an improvement, the power supply unit provides a direct-current pure power supply for the weighing control instrument.
As an improvement, the weighing control instrument is connected with the electromagnetic force sensor to display the weight value of the electromagnetic force sensor and output the weight value as a bus.
Drawings
FIG. 1 is a schematic structural diagram of a spring weighing machine according to the present invention.
FIG. 2 is a schematic view of a top view structure of a spring weighing machine without an upper stable connection supporting plate.
FIG. 3 is a schematic diagram of the circuit connection structure of the weighing control instrument, the power supply unit and the electromagnetic force sensor of the spring-type weighing machine according to the present invention
As shown in the figure: 1. the device comprises a lower stable connection supporting plate, 2, a double-spring bearing structure, 3, an upper stable connection supporting plate, 4, springs I and II and 6, an electromagnetic force sensor, 7, a weighing control instrument, 8 and a power supply unit.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
With reference to the accompanying drawings 1, 2 and 3, the spring weighing machine comprises a lower stable connection supporting plate 1, wherein a plurality of groups of double-spring bearing structures 2 are arranged on the lower stable connection supporting plate 1, an upper stable connection supporting plate 3 is arranged on the double-spring bearing structures 2, each double-spring bearing structure 2 comprises a first spring 4 and a second spring 5, an electromagnetic force sensor 6 is arranged below the first spring 4, the first spring 4 and the second spring 5 are parallel proportional springs, the electromagnetic force sensor 6 is electrically connected with a weighing control instrument 7, and the weighing control instrument 7 is electrically connected with a power supply unit 8.
The lower stable connecting supporting plate 1 is fixed on the foundation through a fastener.
The upper stable connecting supporting plate 3 is movably connected with the double-spring bearing structure 2.
The double-spring bearing structures 2 are at least arranged into three groups, and the three groups of double-spring bearing structures enclose an isosceles triangle.
The double-spring load-bearing structure 2 is fixed on the lower stable connection supporting plate 1 through a fastener.
The power supply unit 8 provides a direct-current pure power supply for the weighing control instrument 7.
The weighing control instrument 7 is connected with the electromagnetic force sensor 6 to display the weight value of the electromagnetic force sensor 6 and output the weight value as a bus.
When the utility model is implemented specifically, when a heavy container filled with underlying soil falls on the product of the utility model, the heavy container firstly contacts the upper stable connecting supporting plate 3, the weight is pressed down, the double-spring bearing structure 2 begins to deform until the comprehensive deformation and the gravity balance of the springs are realized, and no displacement deformation occurs; the power supply unit 8 supplies power to the electromagnetic force sensor 6 through the weighing control instrument 7, and the electromagnetic force sensor 6 generates high-precision weight reading under the action of a small proportion of gravity; the data of the electromagnetic force sensor 6 is read out through the weighing control instrument 7, and is amplified through a factory built-in proportionality coefficient of the weighing control instrument 7 to obtain accurate total weight; the utility model has the advantages of simple structure, high-precision weighing, convenient installation and low cost.
The present invention and its embodiments have been described above, but the description is not limitative, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims (7)

1. The utility model provides a spring weighing machine which characterized in that: including stable connection layer board (1) down, be equipped with a plurality of groups of two spring load-bearing structure (2) above stable connection layer board (1) down, be equipped with stable connection layer board (3) above two spring load-bearing structure (2), two spring load-bearing structure (2) are including spring (4) and two (5) of spring, be equipped with electromagnetic force sensor (6) below spring (4), spring (4) and two (5) of spring are the proportional spring side by side, electromagnetic force sensor (6) electric connection has weighing control instrument (7), weighing control instrument (7) electric connection has power supply unit (8).
2. A spring weighing machine according to claim 1, wherein: the lower stable connecting supporting plate (1) is fixed on a foundation through a fastener.
3. A spring weighing machine according to claim 1, wherein: the upper stable connecting supporting plate (3) is movably connected with the double-spring bearing structure (2).
4. A spring weighing machine according to claim 1, wherein: the double-spring bearing structures (2) are at least arranged into three groups, and the three groups of double-spring bearing structures enclose an isosceles triangle.
5. A spring weighing machine according to claim 1, wherein: the double-spring bearing structure (2) is fixed on the lower stable connection supporting plate (1) through a fastener.
6. A spring weighing machine according to claim 1, wherein: the power supply unit (8) provides a direct-current pure power supply for the weighing control instrument (7).
7. A spring weighing machine according to claim 1, wherein: and the weighing control instrument (7) is connected with the electromagnetic force sensor (6) to display the weight value of the electromagnetic force sensor (6) and output the weight value as a bus.
CN202121936647.7U 2021-08-18 2021-08-18 Spring weighing machine Active CN215448136U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121936647.7U CN215448136U (en) 2021-08-18 2021-08-18 Spring weighing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121936647.7U CN215448136U (en) 2021-08-18 2021-08-18 Spring weighing machine

Publications (1)

Publication Number Publication Date
CN215448136U true CN215448136U (en) 2022-01-07

Family

ID=79694698

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121936647.7U Active CN215448136U (en) 2021-08-18 2021-08-18 Spring weighing machine

Country Status (1)

Country Link
CN (1) CN215448136U (en)

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