CN114459948B - Portable measuring instrument for forest ecological investigation - Google Patents
Portable measuring instrument for forest ecological investigation Download PDFInfo
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- CN114459948B CN114459948B CN202210125105.4A CN202210125105A CN114459948B CN 114459948 B CN114459948 B CN 114459948B CN 202210125105 A CN202210125105 A CN 202210125105A CN 114459948 B CN114459948 B CN 114459948B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/04—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder
- G01N5/045—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder for determining moisture content
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Abstract
The invention relates to the technical field of forest ecological survey equipment, in particular to a portable measuring instrument for forest ecological survey, wherein a supporting piece is arranged on a base, the upper end of the supporting piece is propped against the lower surface of a carrier plate, and a machined piece is arranged on the upper surface of the carrier plate; the heating device is arranged, the weighing equipment is integrally arranged, meanwhile, structural parts on the device are in modularized design, more work is conveniently completed by adopting fewer structural parts, so that the weight of the equipment is reduced, the function of the equipment is ensured, and the equipment is convenient for a user to carry.
Description
Technical Field
The invention relates to the technical field of forest ecological measurement equipment, in particular to a portable measuring instrument for forest ecological investigation.
Background
The forest ecology comprises parameters such as forest hydrology, species number and the like, can reflect the biodiversity and environmental adaptability in a region in real time, and is a parameter standard for determining the forest ecological health in the region; when carrying out forest ecological detection, to the water content measurement of soil be one of the most basic detection item, can carry the soil sample back to the laboratory in prior art and survey, this makes the mapping personnel who deepens the forest need carry a large amount of heavy burden, to this problem, need carry out portable check out test set's development earlier for mapping personnel carry equipment to survey, remove the problem that the heavy burden carried the sample from.
Disclosure of Invention
The invention aims to overcome the defects and shortcomings of the prior art, and provides a portable measuring instrument for forestry ecological investigation, which is provided with a heating device and integrally provided with weighing equipment, and meanwhile, structural members on the device are in modularized design, so that more work can be conveniently completed by adopting fewer structural members, the weight of the equipment is reduced, the function of the equipment is ensured, and the portable measuring instrument is convenient for a user to carry.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the electronic scale is fixedly arranged on the upper surface of the base, the carrier plate is arranged on the electronic scale, the storage box is fixedly arranged on the upper inner side wall of the base, the right end opening of the storage box is arranged, clamping grooves are symmetrically and fixedly arranged on the front side edge and the rear side edge of the right end opening of the storage box, and the upper end opening of the clamping grooves is arranged; it also comprises:
the support piece is arranged on the base, and the upper end of the support piece is propped against the lower surface of the carrier plate;
the processing piece is arranged on the upper surface of the carrier plate;
when the water content of soil is detected, the support plate is lifted up to be separated from the electronic scale through the support piece, the soil sample is placed in the machined part to be dehydrated, and the support piece is retracted, so that the support plate and articles on the support plate are placed on the electronic scale to be weighed.
Preferably, the support comprises:
the guide sleeve is fixedly arranged on the side wall of the base, and the lower end of the guide sleeve is closed;
the support rod is movably inserted into the upper port of the guide sleeve, and two support grooves are formed in the side wall of the support rod from top to bottom;
the support block is movably inserted into the support grooves at the upper end and the lower end of the support rod, and is movably propped against the upper side wall of the guide sleeve;
the elastic piece is fixedly arranged on the supporting block, and the other end of the elastic piece is fixedly arranged on the side wall of the base;
the support sleeve is fixedly arranged on the lower surface of the carrier plate, the lower end of the support sleeve is higher than the upper surface of the electronic scale, and the support rod is movably inserted into the lower port of the support sleeve;
when the supporting shoe inserts in the supporting groove of bracing piece downside, the bracing piece stretches out the uide bushing, and then the bracing piece inserts in the uide bushing, and the carrier plate props the top of frame at the electronic scale through the bracing piece, when putting down the carrier plate and weigh, take out the supporting shoe from the supporting groove, elastic piece holding force this moment, and the bracing piece drops, and the carrier plate drops and puts down on the electronic scale this moment and weigh, when the device accomodates, in pushing the uide bushing with the bracing piece, insert the supporting shoe in the supporting groove of bracing piece upside can.
Preferably, the workpiece comprises:
the grinding tank is arranged on the carrier plate, and a heating piece is arranged on the inner side wall of the grinding tank;
the mounting frame is arranged on the grinding tank and is propped against the side edge of the upper port of the grinding tank;
the crankshaft is screwed and penetrated on the mounting frame through a bearing, and the lower end of the crankshaft is arranged in the grinding tank;
the grinding head is rotatably arranged at the lower end of the crankshaft through a bearing;
the plug bush is fixedly arranged at the upper end of the crankshaft, and a slot is formed in the inner side wall of the upper port of the plug bush;
the handle is movably inserted into the plug bush, the plug block is fixedly arranged on the side wall of the handle, and the plug block is movably inserted into the slot;
when the sample is processed, the soil sample is placed in the grinding tank, the heating piece is started, the crank is driven to rotate through the handle, the crank is further driven to rotate the grinding head, the sample in the grinding tank is ground through the grinding head, the ground sample is heated, water in the sample is evaporated, the sample before and after heating is weighed respectively, and the difference value of the two times of weighing is the water content of the sample.
Preferably, the heating element comprises:
the electric heating couple is embedded and fixed on the inner side wall of the grinding tank, the surface of the electric heating couple is covered with a heat conduction protection sheet, and the heat conduction protection sheet is fixedly arranged on the inner side wall of the grinding tank;
the storage battery is fixedly arranged in the storage box through a buckle, an electrode of the storage battery is connected with a conductive mother seat through a wire, and an electrode of the thermocouple type heating plate is connected with a conductive sub seat through a wire;
the electric conduction sub-seat is connected with the electric conduction mother seat, so that the electric coupling type heating sheet is connected with the storage battery for electrifying, and the electric coupling type heating sheet works for heating.
Preferably, a limit groove is formed in the upper side edge of the grinding tank, the mounting frame is movably embedded in the limit groove, a limit hole is formed in the upper surface of the carrier plate, and the lower end of the mounting frame is movably inserted in the limit hole;
the grinding tank is placed on the carrier plate, the mounting frame is clamped into the limiting groove on the grinding tank, the lower end of the mounting frame is inserted into the limiting hole on the carrier plate, and the mounting frame is pressed downwards when the handle is rotated.
Preferably, the front and rear side edges of the right port of the storage box are fixedly provided with mounting grooves above the clamping grooves, the front and rear ends of the mounting grooves are respectively provided with an opening, the opposite side walls of the clamping grooves on the front and rear sides are respectively provided with a threaded sleeve through a bearing, and the side wall of one end of the handle arranged in the plug bush is provided with a threaded groove;
when the device is stored, the grinding tank and the mounting rack are placed in the storage box, the carrier plate is inserted into the clamping groove on the storage box, the carrier plate is covered on the right port of the storage box, then the cross rod of the handle is clamped into the mounting groove, one end of the handle, which is provided with the thread groove, is inserted into any thread sleeve, the thread sleeve is rotated, and the port of the handle is inserted into the thread sleeve.
Compared with the prior art, the invention has the beneficial effects that:
1. the base is provided with the guide sleeve, the support rod with two groups of support grooves is arranged in the guide sleeve, the support sleeve is arranged on the lower surface of the carrier plate, the support rod is limited by inserting the support block into the support grooves, and then the carrier plate is lifted off the electronic scale, or the carrier plate is placed on the electronic scale, so that the dehydration work of a sample or the weighing work of the sample can be realized by changing the state of the carrier plate conveniently;
2. the grinding tank is arranged on the carrier plate, the grinding tank is locked with the carrier plate through the mounting frame, the grinding head is arranged on the mounting frame through the crankshaft, and the connecting and mounting of the handle and the crankshaft are realized through the plug bush arranged on the crankshaft, so that the grinding and the heating dehydration of the sample in the grinding tank are realized, and the water content measurement of the sample is realized;
3. the support plate is matched with the clamping groove on the storage box, the installation groove and the thread bush are arranged on the storage box, the support plate and the thread bush are matched with the handle for use, the support plate is conveniently changed into a cover of the storage box for use, and the support plate can be locked through the handle, so that a single structural member has different functions, and the overall weight of the equipment is reduced.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a right side view of fig. 1.
Fig. 3 is a B-B cross-sectional view in fig. 2.
Fig. 4 is an enlarged view of a portion a in fig. 1.
Fig. 5 is an enlarged view of a portion C in fig. 3.
Fig. 6 is a schematic structural view of a carrier plate according to the present invention.
Reference numerals illustrate:
the electronic scale comprises a base 1, an electronic scale 2, a carrier plate 3, a storage box 4, a clamping groove 5, a supporting piece 6, a guide sleeve 6-1, a supporting rod 6-2, a supporting groove 6-3, a supporting block 6-4, an elastic piece 6-5, a supporting sleeve 6-6, a workpiece 7, a grinding tank 7-1, a mounting frame 7-2, a crankshaft 7-3, a grinding head 7-4, a plug bush 7-5, a slot 7-6, a handle 7-7, a plug block 7-8, a heating piece 8, a thermocouple type heating piece 8-1, a heat conduction protection piece 8-2, a storage battery 8-3, a conductive sub-seat 8-4, a conductive parent seat 8-5, a limiting groove 9, a limiting hole 10, a mounting groove 11, a thread bush 12 and a thread groove 13.
Detailed Description
The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, in which preferred embodiments in the description are given by way of example only, and all other embodiments obtained by those skilled in the art without making any inventive effort are within the scope of protection of the present invention.
Example 1:
as shown in fig. 1-6, the embodiment comprises a base 1, an electronic scale 2, a carrier plate 3 and a storage box 4, wherein the electronic scale 2 is fixed on the upper surface of the base 1 through screws, the carrier plate 3 is arranged on the electronic scale 2, the storage box 4 is fixed on the upper inner side wall of the base 1 through screws, the right end of the storage box 4 is provided with an opening, clamping grooves 5 are symmetrically fixed on the front side and the rear side edge of a right end opening of the storage box 4 through screws, and the upper end of the clamping grooves 5 is provided with an opening; it also comprises:
the support piece 6 is arranged on the base 1, and the upper end of the support piece 6 is propped against the lower surface of the carrier plate 3;
a work piece 7, wherein the work piece 7 is arranged on the upper surface of the carrier plate 3;
by adopting the above design scheme, when the water content of soil is detected, the support piece 6 is used for lifting the carrier plate 3 to be separated from the electronic scale 2, a soil sample is placed in the machined part 7 for dehydration treatment, and the support piece 6 is retracted, so that the carrier plate 3 and articles on the carrier plate 3 are placed on the electronic scale 2 for weighing.
Example 2:
as shown in fig. 1, 2 and 4, the support member 6 includes, on the basis of embodiment 1:
the guide sleeve 6-1 is fixed on the side wall of the base 1 through a screw, and the lower end of the guide sleeve 6-1 is closed;
the support rod 6-2 is movably inserted into the upper port of the guide sleeve 6-1, and two support grooves 6-3 are formed in the side wall of the support rod 6-2 from top to bottom;
the support block 6-4, the support block 6-4 is movably inserted into the support groove 6-3 at the upper end and the lower end of the support rod 6-2, and the support block 6-4 is movably propped against the upper side wall of the guide sleeve 6-1;
the elastic piece 6-5, the elastic piece 6-5 is fixedly arranged on the supporting block 6-4, and the other end of the elastic piece 6-5 is fixed on the side wall of the base 1 through a screw;
the support sleeve 6-6 is fixed on the lower surface of the carrier plate 3 through screws, the lower end of the support sleeve 6-6 is higher than the upper surface of the electronic scale 2, and the support rod 6-2 is movably inserted into the lower port of the support sleeve 6-6;
according to the design scheme, when the supporting block 6-4 is inserted into the supporting groove 6-3 at the lower side of the supporting rod 6-2, the supporting rod 6-2 extends out of the guide sleeve 6-1, then the supporting rod 6-2 is inserted into the supporting sleeve 6-6, the carrier plate 3 is supported above the electronic scale 2 through the supporting rod 6-2, when the carrier plate 3 is placed down for weighing, the supporting block 6-4 is pulled out of the supporting groove 6-3, at the moment, the elastic piece 6-5 holds force, the supporting rod 6-2 falls, at the moment, the carrier plate 3 falls down and is placed on the electronic scale 2 for weighing, when the device is stored, the supporting rod 6-2 is pushed into the guide sleeve 6-1, the supporting block 6-4 is inserted into the supporting groove 6-3 at the upper side of the supporting rod 6-2, the carrier plate 3 is arranged at different positions through changing the position of the supporting rod 6-2, and when the electronic scale 2 is further operated, the carrier plate 3 is supported to protect the electronic scale 2.
Example 3:
as shown in fig. 1, 2, 3 and 5, the workpiece 7 includes, on the basis of example 1:
the grinding tank 7-1, wherein the grinding tank 7-1 is arranged on the carrier plate 3, and a heating piece 8 is arranged on the inner side wall of the grinding tank 7-1;
the installation frame 7-2, wherein the installation frame 7-2 is arranged on the grinding tank 7-1, and the installation frame 7-2 is propped against the side edge of the upper port of the grinding tank 7-1;
the crankshaft 7-3 is rotatably connected with the mounting frame 7-2 through a bearing, and the lower end of the crankshaft 7-3 is arranged in the grinding tank 7-1;
the grinding head 7-4, wherein the grinding head 7-4 is rotatably arranged at the lower end of the crankshaft 7-3 through a bearing;
the plug bush 7-5, the plug bush 7-5 is fixed at the upper end of the crankshaft through a screw, and a slot 7-6 is formed in the inner side wall of the upper port of the plug bush 7-5;
the handle 7-7, the handle 7-7 is movably inserted into the plug bush 7-5, the plug block 7-8 is fixed on the side wall of the handle 7-7 through a screw, and the plug block 7-8 is movably inserted into the slot 7-6;
by adopting the design scheme, when the sample is processed, the soil sample is placed into the grinding tank 7-1, the heating piece 8 is started, then the crank shaft 7-3 is driven to rotate by the handle 7-7, the crank shaft 7-3 further drives the grinding head 7-4 to rotate, the sample in the grinding tank 7-1 is crushed by the grinding head 7-4, meanwhile, the crushed sample is heated, moisture in the sample is evaporated, the samples before and after heating are respectively weighed, and the difference value of the two times of weighing is the moisture content of the sample.
Example 4:
as shown in fig. 3 and 5, the heating element 8 according to embodiment 3 includes:
the electric heating device comprises an electric heating piece 8-1, wherein the electric heating piece 8-1 is embedded and fixed on the inner side wall of a grinding tank 7-1, a heat conduction protection piece 8-2 is covered and arranged on the surface of the electric heating piece 8-1, and the heat conduction protection piece 8-2 is fixed on the inner side wall of the grinding tank 7-1 through a screw;
the storage battery 8-3, the storage battery 8-3 is fixed in the storage box 4 through a buckle, the electrode of the storage battery 8-3 is connected with the conductive mother seat 8-5 through a wire, and the electrode of the thermocouple heating plate 8-1 is connected with the conductive sub seat 8-4 through a wire;
by adopting the design scheme, the electric conduction electronic seat 8-4 is connected with the electric conduction mother seat 8-5, namely, the electric connection and energization of the electric coupling type heating sheet 8-1 and the storage battery 8-3 are realized, the electric coupling type heating sheet 8-1 works and heats, when the device is stored, the grinding tank 7-1 and the mounting frame 7-2 are arranged in the storage box 4, and the lead wire for connecting the storage battery 8-3 and the electric conduction mother seat 8-5 are arranged in the storage box 4.
Example 5:
as shown in fig. 3, 5 and 6, on the basis of embodiment 3, a limit groove 9 is formed on the upper side edge of the grinding tank 7-1, a mounting frame 7-2 is movably embedded in the limit groove 9, a limit hole 10 is formed on the upper surface of the carrier plate 3, and the lower end of the mounting frame 7-2 is movably inserted in the limit hole 10;
according to the design scheme, the grinding tank 7-1 is placed on the carrier plate 3, the mounting frame 7-2 is clamped into the limiting groove 9 on the grinding tank 7-1, the lower end of the mounting frame 7-2 is inserted into the limiting hole 10 on the carrier plate 3, when the handle 7-7 is rotated, the mounting frame 7-2 is pressed downwards, the mounting frame 7-2 and the carrier plate 3 are positioned through the positioning between the mounting frame 7-2 and the carrier plate 3, and the positioning between the mounting frame 7-2 and the grinding tank 7-1 is realized, so that the grinding tank 7-1 is fixed on the carrier plate 3 through pressing the mounting frame 7-2 when working in the grinding tank 7-1.
Example 6:
as shown in fig. 1, 2 and 3, on the basis of embodiment 3, mounting grooves 11 are fixed above the clamping grooves 5 on the front and rear side edges of the right port of the storage box 4 through screws, the front and rear ends of the mounting grooves 11 are both provided with openings, screw sleeves 12 are screwed on the opposite side walls of the clamping grooves 5 on the front and rear sides through bearings, and screw grooves 13 are formed on the side walls of one end of the handles 7-7, which are arranged in the inserting sleeves 7-5;
by adopting the design scheme, when the device is stored, the grinding tank 7-1 and the mounting frame 7-2 are placed in the storage box 4, the carrier plate 3 is inserted into the clamping groove 5 on the storage box 4, the carrier plate 3 is covered on the right port of the storage box 4, then the cross rod of the handle 7-7 is clamped into the mounting groove 11, one end of the handle 7-7, which is provided with the thread groove 13, is inserted into any thread sleeve 12, the thread sleeve 12 is rotated, the port of the handle 7-7 is inserted into the thread sleeve 12, at the moment, the handle 7-7 and the carrier plate 3 are provided with two different functions, the multifunction of a single structural member is realized, the number of structural members is reduced while the function of equipment is maintained, and the weight of the equipment is reduced.
After the technical scheme disclosed by the invention is adopted, the following steps of:
when the device is used for measuring the water content of soil, firstly, the grinding tank 7-1 and the mounting frame 7-2 are arranged on the carrier plate 3, the electronic scale 2 is zeroed, and then, the grinding tank 7-1 and the mounting frame 7-2 are arranged on the carrier plate 3; then the supporting block 6-4 is pulled out from the supporting groove 6-3 on the supporting rod 6-2, the supporting rod 6-2 descends until the upper end of the supporting rod is separated from the supporting sleeve 6-6, the carrier plate 3 is placed on the electronic scale 2 for weighing, and the reading number of the electronic scale 2 is recorded as G1; then, after sampling soil to be measured, placing the sample in a grinding tank 7-1, weighing again, and recording the reading number of the electronic scale 2 as G2; then the support rod 6-2 is pulled out of the guide sleeve 6-1 and locked, the support rod 6-2 supports the carrier plate 3 to be separated from the electronic scale 2, the handle 7-7 is inserted into the insert sleeve 7-5 on the crankshaft 7-3, and the conductive sub-seat 8-4 is connected with the conductive female seat 8-5; then the crank 7-3 is driven to rotate by the handle 7-7, the grinding head 7-4 is driven to rotate by the crank 7-3, the grinding head 7-4 grinds the sample in the grinding tank 7-1, and the sample is heated and evaporated to dryness by the thermocouple heating plate 8-1; then after the sample is evaporated to dryness and dehydrated, the handle 7-7 is taken down, the electronic scale 2 is zeroed, the carrier plate 3 is put down on the electronic scale for weighing, and the reading number of the electronic scale 2 is recorded as G3; at this time, the weight of the aqueous sample is the difference between G2 and G1, the weight of the dehydrated sample is the difference between G3 and G1, and the water content of the sample is G2-G3/G2-G1%.
By adopting the technical scheme, the technical advantages can be achieved as follows:
1. the base 1 is provided with a guide sleeve 6-1, the guide sleeve 6-1 is internally provided with a support rod 6-2 with two groups of support grooves 6-3, the lower surface of the carrier plate 3 is provided with the support sleeve 6-6, the support rod 6-2 is limited by inserting a support block 6-4 into the support groove 6-3, and further the carrier plate 3 is supported to be separated from the electronic scale 2, or the carrier plate 3 is placed on the electronic scale 2, so that the dehydration work of a sample or the weighing work of the sample can be conveniently realized by changing the state of the carrier plate 3;
2. the carrier plate 3 is provided with a grinding tank 7-1, the grinding tank is locked with the carrier plate 3 through a mounting frame 7-2, the mounting frame 7-2 is provided with a grinding head 7-4 through a crankshaft 7-3, and the crankshaft 7-3 is provided with an inserting sleeve 7-5, so that the handle 7-7 is connected with the crankshaft 7-3, further, grinding, heating and dehydration of a sample in the grinding tank 7-1 are realized, and the water content of the sample is measured;
3. the support plate 3 is matched with the clamping groove 5 on the storage box 4 in the direction, the storage box 4 is provided with the mounting groove 11 and the threaded sleeve 12, the mounting groove 11 and the threaded sleeve 12 are matched with the handle 7-7, the support plate 3 is conveniently converted into a cover of the storage box 4 for use, and the locking can be carried out through the handle 7-7, so that a single structural member has different functions, and the overall weight of the equipment is reduced.
It should be understood that those skilled in the art can make modifications to the technical solutions described in the foregoing embodiments and equivalent substitutions of some technical features, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (1)
1. The utility model provides a forest science ecological investigation is with portable measuring apparatu, it includes base (1), electronic scale (2), support plate (3), containing box (4), wherein electronic scale (2) fixed set up on the upper surface of base (1), support plate (3) set up on electronic scale (2), containing box (4) fixed set up on the upper inside wall of base (1), and the right-hand member opening setting of containing box (4), both sides limit symmetry is provided with draw-in groove (5) around the right-hand member port of containing box (4), the upper end opening setting of draw-in groove (5); characterized in that it further comprises:
the support piece (6), the said support piece (6) is set up on base (1), and the upper end of the support piece (6) supports and establishes on the lower surface of the carrier plate (3);
a workpiece (7), wherein the workpiece (7) is arranged on the upper surface of the carrier plate (3);
when the water content of the soil is detected, the support piece (6) is used for supporting the support plate (3) to be separated from the electronic scale (2), a soil sample is placed in the machined part (7) for dehydration treatment, and the support piece (6) is retracted, so that the support plate (3) and articles on the support plate are placed on the electronic scale (2) for weighing;
the support (6) comprises:
the guide sleeve (6-1) is fixedly arranged on the side wall of the base (1), and the lower end of the guide sleeve (6-1) is closed;
the support rod (6-2) is movably inserted into the upper port of the guide sleeve (6-1), and two support grooves (6-3) are formed in the side wall of the support rod (6-2) from top to bottom;
the support block (6-4), the said support block (6-4) is inserted in the support groove (6-3) of the upper and lower ends of the support bar (6-2) movably, and the support block (6-4) supports and establishes on the upper sidewall of the guide sleeve (6-1) movably;
the elastic piece (6-5), the said elastic piece (6-5) is fixed on supporting block (6-4), and another end of the elastic piece (6-5) is fixed on sidewall of the base (1);
the support sleeve (6-6), the said support sleeve (6-6) is fixed on lower surface of the carrier plate (3), and the lower end of the support sleeve (6-6) is higher than the upper surface of the electronic scale (2) to set up, the activity of the support rod (6-2) inserts and establishes in the lower port of the support sleeve (6-6);
when the support block (6-4) is inserted into the support groove (6-3) at the lower side of the support rod (6-2), the support rod (6-2) extends out of the guide sleeve (6-1), the support rod (6-2) is inserted into the support sleeve (6-6), the support plate (3) is supported above the electronic scale (2) through the support rod (6-2), when the support plate (3) is put down for weighing, the support block (6-4) is pulled out of the support groove (6-3), at the moment, the elastic piece (6-5) holds force, the support rod (6-2) falls, at the moment, the support plate (3) falls down and is placed on the electronic scale (2) for weighing, and when the device is stored, the support rod (6-2) is pushed into the guide sleeve (6-1), and the support block (6-4) is inserted into the support groove (6-3) at the upper side of the support rod (6-2);
the workpiece (7) comprises:
the grinding device comprises a grinding tank (7-1), wherein the grinding tank (7-1) is arranged on a carrier plate (3), and a heating piece (8) is arranged on the inner side wall of the grinding tank (7-1);
the mounting frame (7-2), the mounting frame (7-2) is arranged on the grinding tank (7-1), and the mounting frame (7-2) is propped against the side edge of the upper port of the grinding tank (7-1);
the crankshaft (7-3) is rotatably connected with the mounting frame (7-2) through a bearing, and the lower end of the crankshaft (7-3) is arranged in the grinding tank (7-1);
the grinding head (7-4) is rotatably arranged at the lower end of the crankshaft (7-3) through a bearing;
the plug bush (7-5), the said plug bush (7-5) is fixed to the upper end of the crankshaft (7-3), and offer the slot (7-6) on the upper port inner wall of the plug bush (7-5);
the handle (7-7), the said handle (7-7) is inserted in the plug bush (7-5) actively, there are plug blocks (7-8) on the sidewall of the handle (7-7), the plug block (7-8) is inserted in the slot (7-6) actively;
when the sample is processed, the soil sample is placed into a grinding tank (7-1) and a heating piece (8) is started, then a crank shaft (7-3) is driven to rotate through a handle (7-7), the crank shaft (7-3) drives a grinding head (7-4) to rotate, the sample in the grinding tank (7-1) is ground through the grinding head (7-4), meanwhile, the ground sample is heated, moisture in the sample is evaporated, the samples before and after heating are respectively weighed, and the difference value of the two times of weighing is the moisture content of the sample;
the heating element (8) comprises:
the electric heating device comprises an electric heating piece (8-1), wherein the electric heating piece (8-1) is embedded and fixed on the inner side wall of a grinding tank (7-1), a heat conduction protection piece (8-2) is covered and arranged on the surface of the electric heating piece (8-1), and the heat conduction protection piece (8-2) is fixedly arranged on the inner side wall of the grinding tank (7-1);
the storage battery (8-3), the storage battery (8-3) is fixedly arranged in the storage box (4) through a buckle, the electrode of the storage battery (8-3) is connected with the conductive female seat (8-5) through a wire, and the electrode of the thermocouple heating plate (8-1) is connected with the conductive male seat (8-4) through a wire;
the electric conduction sub-seat (8-4) is connected with the electric conduction mother seat (8-5), namely, the electric connection and the electrifying of the electric coupling type heating sheet (8-1) and the storage battery (8-3) are realized, and the electric coupling type heating sheet (8-1) works and heats;
a limit groove (9) is formed in the upper side edge of the grinding tank (7-1), the mounting frame (7-2) is movably embedded in the limit groove (9), a limit hole (10) is formed in the upper surface of the carrier plate (3), and the lower end of the mounting frame (7-2) is movably inserted in the limit hole (10);
placing the grinding tank (7-1) on the carrier plate (3), clamping the mounting frame (7-2) into a limit groove (9) on the grinding tank (7-1), inserting the lower end of the mounting frame (7-2) into a limit hole (10) on the carrier plate (3), and pressing the mounting frame (7-2) downwards when the handle (7-7) is rotated;
the front side and the rear side of the right port of the storage box (4) are fixedly provided with mounting grooves (11) above the clamping grooves (5), the front end and the rear end of each mounting groove (11) are respectively provided with an opening, the wall of the opposite side of the clamping grooves (5) on the front side and the rear side is respectively provided with a threaded sleeve (12) through a bearing, and the side wall of one end of the handle (7-7) arranged in the plug bush (7-5) is provided with a threaded groove (13);
when the device is stored, the grinding tank (7-1) and the mounting rack (7-2) are placed in the storage box (4), the carrier plate (3) is inserted into the clamping groove (5) on the storage box (4), at the moment, the carrier plate (3) is covered on the right port of the storage box (4), then the cross rod of the handle (7-7) is clamped into the mounting groove (11), one end of the handle (7-7) provided with the thread groove (13) is inserted into any thread sleeve (12), the thread sleeve (12) is rotated, and the port of the handle (7-7) is inserted into the thread sleeve (12).
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