CN114459948A - Portable measuring instrument for forest ecological investigation - Google Patents
Portable measuring instrument for forest ecological investigation Download PDFInfo
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- CN114459948A CN114459948A CN202210125105.4A CN202210125105A CN114459948A CN 114459948 A CN114459948 A CN 114459948A CN 202210125105 A CN202210125105 A CN 202210125105A CN 114459948 A CN114459948 A CN 114459948A
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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 discloses a portable measuring instrument for forest ecological investigation, and relates to the technical field of forest ecological measuring equipment.A supporting piece is arranged on a base, the upper end of the supporting piece is propped against the lower surface of a support plate, and a workpiece is arranged on the upper surface of the support plate; it sets up heating device to the integration sets up the weighing-appliance, adopts the modularized design with the structure on the device simultaneously, conveniently adopts less structure to accomplish more work, thereby alleviates the weight of equipment, and guarantees the function of equipment, and the person of facilitating the use carries.
Description
Technical Field
The invention relates to the technical field of forest ecological measuring 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 biological diversity and the environmental adaptability in one region in real time, and is a parameter standard for determining the forest ecological health in the region; carry out the ecological time measuring of forest, be one of the most basic detection item to the water content survey of soil, can take back the laboratory behind the soil sample among the prior art and survey, this makes surveying and mapping personnel who gos deep into the forest need carry a large amount of heavy burdens, to this problem, needs carry out portable check out test set's development earlier for surveying and mapping personnel carry equipment and survey and drawing, removes the problem that the sample was carried in heavy burden from.
Disclosure of Invention
The invention aims to overcome the defects and shortcomings of the prior art, and provides a portable measuring instrument for forest ecological investigation, which is provided with a heating device and integrated weighing equipment, and meanwhile, structural members on the device are in a modular design, so that more work can be completed by using fewer structural members conveniently, the weight of the equipment is reduced, the functions of the equipment are ensured, and the portable measuring instrument is convenient for a user to carry.
In order to achieve the purpose, the invention adopts the following technical scheme:
the electronic scale comprises a base, an electronic scale, a carrier plate and a containing box, wherein the electronic scale is fixedly arranged on the upper surface of the base, the carrier plate is arranged on the electronic scale, the containing box is fixedly arranged on the upper inner side wall of the base, the right end of the containing box is provided with an opening, clamping grooves are symmetrically and fixedly arranged on the front side edge and the rear side edge of the right end opening of the containing box, and the upper end of each clamping groove is provided with an opening; it also includes:
the supporting piece is arranged on the base, and the upper end of the supporting piece is abutted 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 through the support piece to be separated from the electronic scale, the soil sample is placed in a processing piece for dehydration treatment, and the support piece is folded up, so that the support plate and articles on the support plate are placed on the electronic scale for weighing.
Preferably, the support member comprises:
the guide sleeve is fixedly arranged on the side wall of the base, and the lower end of the guide sleeve is arranged in a closed mode;
the supporting rod is movably inserted into the upper port of the guide sleeve, and two supporting grooves are formed in the side wall of the supporting rod from top to bottom;
the supporting block is movably inserted in the supporting grooves at the upper end and the lower end of the supporting rod and movably abutted on 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 support 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 is inserted in the support groove of bracing piece downside, the uide bushing is stretched out to the bracing piece, and then the bracing piece is inserted in the uide bushing, and the support plate props up the frame in the top of electronic scale through the bracing piece, when putting down the support plate and weighing, take the supporting shoe out from supporting the inslot, the flexure strip holds power this moment, and the bracing piece falls down, and the support plate falls to transfer and weighs on the electronic scale this moment, when the device is accomodate, in pushing into the uide bushing with the bracing piece, it can with the support block insert the support inslot of bracing piece upside.
Preferably, the work piece comprises:
the grinding tank is arranged on the carrier plate, and a heating element is arranged on the inner side wall of the grinding tank;
the mounting rack is arranged on the grinding tank and abuts against the side edge of the upper port of the grinding tank;
the crankshaft is screwed on the mounting frame through a bearing, and the lower end of the crankshaft is arranged in the grinding tank;
the grinding head is arranged at the lower end of the crankshaft in a rotating mode 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 inserting sleeve, an inserting block is fixedly arranged on the side wall of the handle, and the inserting block is movably inserted into the inserting groove;
when carrying out the processing of sample, put into the grinding vessel with soil sample and start the heating member, it is rotatory to drive the bent axle through the handle after that, and then the bent axle drives the grinding head and rotates, pulverizes the sample in the grinding vessel through the grinding head, heats the sample that pulverizes simultaneously, evaporates the moisture in the sample, weighs the sample before and after respectively heating, and the difference of weighing twice is the water content of sample promptly.
Preferably, the heating element comprises:
the electric coupling heating sheet is embedded and fixed on the inner side wall of the grinding tank, the surface of the electric coupling heating sheet 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, a conductive female seat is connected and arranged on an electrode of the storage battery through a lead, and a conductive sub-seat is connected and arranged on an electrode of the couple heating sheet through a lead;
the conductive sub-base is connected with the conductive main base, so that the connection and electrification of the couple heating sheet and the storage battery are realized, and the couple heating sheet works to heat.
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 support plate, and the lower end of the mounting frame is movably inserted in the limit hole;
the grinding tank is placed on the support plate, the mounting frame is clamped into the limiting groove in the grinding tank, the lower end of the mounting frame is inserted into the limiting hole in the support plate, and the mounting frame is pressed downwards when the handle is rotated.
Preferably, mounting grooves are fixedly formed in the front side edge and the rear side edge of the right port of the containing box and above the clamping grooves, the front end and the rear end of each mounting groove are provided with openings, threaded sleeves are screwed on the wall, opposite to each other, of the clamping grooves on the front side and the rear side through bearings, and a threaded groove is formed in the side wall of one end, arranged in the inserting sleeve, of the handle;
when the device is stored, the grinding tank and the mounting frame are placed into the storage box, the support plate is inserted into the clamping groove in the storage box, the support plate covers the right port of the storage box at the moment, 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, and the thread sleeve is rotated to enable the port of the handle to be inserted into the thread sleeve.
Compared with the prior art, the invention has the beneficial effects that:
1. the base is provided with a guide sleeve, the guide sleeve is internally provided with support rods with two groups of support grooves, the lower surface of the support plate is provided with the support sleeve, and the support rods are inserted into the support grooves through the support blocks to limit the support rods, so that the support plate is lifted and separated from the electronic scale, or the support plate is placed on the electronic scale, and the sample can be conveniently dehydrated or weighed by changing the state of the support plate;
2. the grinding tank is arranged on the support plate and locked with the support plate through the mounting frame, the grinding head is arranged on the mounting frame through the crankshaft, the connecting and mounting of the handle and the crankshaft are realized through the arrangement of the plug bush on the crankshaft, further, the grinding, heating and dehydration of the sample are realized in the grinding tank, and the determination of the water content of the sample is realized;
3. the draw-in groove on support plate and the containing box cooperatees, sets up mounting groove, thread bush on the containing box to use both with the handle cooperation, and then conveniently change the lid of support plate transform for the containing box and use, and the accessible handle carries out the locking, and then makes single structure possess different functions, reduces the whole weight of equipment.
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 sectional view B-B 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 diagram of a carrier plate according to the present invention.
Description of reference numerals:
the device 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 machined piece 7, a grinding tank 7-1, a mounting frame 7-2, a crankshaft 7-3, a grinding head 7-4, an inserting sleeve 7-5, an inserting groove 7-6, a handle 7-7, an inserting block 7-8, a heating piece 8, a galvanic couple type heating piece 8-1, a heat conduction protection piece 8-2, a storage battery 8-3, a conductive sub-base 8-4, a conductive female base 8-5, a limiting groove 9, a limiting hole 10, a mounting groove 11, a threaded sleeve 12 and a threaded groove 13.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings, and the preferred embodiments in the description are only examples, and all other embodiments obtained by those skilled in the art without any inventive work belong to the protection scope of the present invention.
Example 1:
as shown in fig. 1-6, the present embodiment includes 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 by screws, the carrier plate 3 is disposed on the electronic scale 2, the storage box 4 is fixed on the upper inner sidewall of the base 1 by screws, a right end opening of the storage box 4 is disposed, a front side and a rear side of a right end opening of the storage box 4 are symmetrically fixed with a card slot 5 by screws, and an upper end opening of the card slot 5 is disposed; it also includes:
the supporting piece 6 is arranged on the base 1, and the upper end of the supporting piece 6 is abutted against 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;
by adopting the above design scheme, when the water content of the soil is detected, the support plate 3 is lifted up by the support piece 6 to be separated from the electronic scale 2, the soil sample is placed in the processing piece 7 for dehydration treatment, and the support piece 6 is folded up, so that the support plate 3 and articles thereon are placed on the electronic scale 2 for weighing.
Example 2:
as shown in fig. 1, 2 and 4, based on embodiment 1, the supporting member 6 includes:
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 arranged in a closed mode;
the supporting rod 6-2 is movably inserted into the upper port of the guide sleeve 6-1, and two supporting grooves 6-3 are formed in the side wall of the supporting rod 6-2 from top to bottom;
the supporting block 6-4 is movably inserted into the supporting groove 6-3 at the upper end and the lower end of the supporting rod 6-2, and the supporting block 6-4 is movably abutted against the upper side wall of the guide sleeve 6-1;
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 support plate 3 through a screw, 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;
by adopting 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, the supporting rod 6-2 is further inserted into the supporting sleeve 6-6, the supporting plate 3 is supported above the electronic scale 2 through the supporting rod 6-2, when the supporting plate 3 is put down and weighed, the supporting block 6-4 is drawn out from the supporting groove 6-3, the elastic piece 6-5 holds the force at the moment, the supporting rod 6-2 falls down, the supporting plate 3 falls down and is weighed on the electronic scale 2, 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, and by changing the position of the supporting rod 6-2, the carrier plate 3 can be arranged at different positions, and the carrier plate 3 is erected to protect the electronic scale 2 during operation.
Example 3:
as shown in fig. 1, 2, 3 and 5, in example 1, the workpiece 7 includes:
the grinding tank 7-1 is arranged on the carrier plate 3, and a heating element 8 is arranged on the inner side wall of the grinding tank 7-1;
the mounting rack 7-2 is arranged on the grinding tank 7-1, and the mounting rack 7-2 is abutted against the side edge of the upper port of the grinding tank 7-1;
the crankshaft 7-3 is screwed on the mounting rack 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 arranged at the lower end of the crankshaft 7-3 in a rotating mode through a bearing, and the grinding head 7-4 is arranged at the lower end of the crankshaft 7-3 in a rotating mode through the bearing;
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 end port of the plug bush 7-5;
the handle 7-7 is movably inserted into the insertion sleeve 7-5, the insertion block 7-8 is fixed on the side wall of the handle 7-7 through a screw, and the insertion block 7-8 is movably inserted into the insertion groove 7-6;
by adopting the design scheme, when a sample is processed, the soil sample is placed into the grinding tank 7-1, the heating element 8 is started, the crank shaft 7-3 is driven to rotate through the handle 7-7, the crank shaft 7-3 drives the grinding head 7-4 to rotate, the sample in the grinding tank 7-1 is ground through the grinding head 7-4, the ground sample is heated at the same time, the moisture in the sample is evaporated, the samples before and after heating are respectively weighed, and the difference value of the two weighing is the moisture content of the sample.
Example 4:
as shown in fig. 3 and 5, in embodiment 3, the heating member 8 includes:
the electric couple heating piece 8-1 is characterized in that the electric couple heating piece 8-1 is embedded and fixed on the inner side wall of the grinding tank 7-1, the surface of the electric couple heating piece 8-1 is covered with a heat conduction protection sheet 8-2, and the heat conduction protection sheet 8-2 is fixed on the inner side wall of the grinding tank 7-1 through screws;
the storage battery 8-3 is fixed in the storage box 4 through a buckle, a conductive female seat 8-5 is connected and arranged on an electrode of the storage battery 8-3 through a lead, and a conductive sub seat 8-4 is connected and arranged on an electrode of the thermocouple heating plate 8-1 through a lead;
by adopting the design scheme, the electric couple heating sheet 8-1 is connected and electrified with the storage battery 8-3 through the connection of the conductive sub-base 8-4 and the conductive main base 8-5, the electric couple heating sheet 8-1 works to generate heat, when the device is stored, the grinding tank 7-1 and the mounting rack 7-2 are arranged in the storage box 4, and the lead connected with the storage battery 8-3 and the conductive main base 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 limiting groove 9 is formed on the upper side edge of the grinding tank 7-1, the mounting frame 7-2 is movably embedded in the limiting groove 9, a limiting 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 limiting hole 10;
by adopting the design scheme, the grinding tank 7-1 is placed on the support 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 support plate 3, the mounting frame 7-2 is pressed downwards when the handle 7-7 is rotated, and the grinding tank 7-1 is fixed on the support plate 3 by pressing the mounting frame 7-2 when the grinding tank 7-1 works through the positioning between the mounting frame 7-2 and the support plate 3 and the positioning between the mounting frame 7-2 and 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 sides of the right end of the storage box 4 by screws, the front and rear ends of the mounting groove 11 are opened, threaded sleeves 12 are screwed on the walls on the back sides of the clamping grooves 5 on the front and rear sides through bearings, and threaded grooves 13 are formed on the side wall of one end of the handle 7-7 arranged in the insertion sleeve 7-5;
by adopting the design scheme, when the device is stored, the grinding tank 7-1 and the mounting rack 7-2 are placed into the storage box 4, the support plate 3 is inserted into the clamping groove 5 on the storage box 4, the support plate 3 covers the right port of the storage box 4 at the moment, 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, and the port of the handle 7-7 is inserted into the thread sleeve 12, at the moment, the handle 7-7 and the support plate 3 have two different functions, the multifunction of a single structural part is realized, the number of the structural parts is reduced while the functions of the equipment are maintained, and the weight of the equipment is reduced.
By adopting the technical scheme disclosed by the invention, the following effects can be realized:
when the device is used for measuring the water content of soil, firstly, the grinding tank 7-1 and the mounting rack 7-2 are arranged on the support plate 3, the electronic scale 2 is calibrated to zero, and then the grinding tank 7-1 and the mounting rack 7-2 are arranged on the support plate 3; then the supporting block 6-4 is drawn 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 of the electronic scale 2 is recorded as G1; then, after sampling the soil to be measured, putting the sample in a grinding tank 7-1, weighing again, and recording the reading 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 lifts the carrier plate 3 to be separated from the electronic scale 2, the handle 7-7 is inserted into the plug bush 7-5 on the crankshaft 7-3, and the conductive sub-base 8-4 is connected with the conductive main base 8-5; then, the crank shaft 7-3 is driven to rotate through the handle 7-7, the grinding head 7-4 is driven to rotate through the crank shaft 7-3, the grinding head 7-4 grinds the sample in the grinding tank 7-1, and the sample is heated and dried by dryness through the thermocouple heating plate 8-1; then after the sample is dried to dryness and dehydrated, taking down the handle 7-7, zeroing the electronic scale 2, putting down the support plate 3 on an electronic scale for weighing, and recording the reading of the electronic scale 2 as G3; at this time, the weight of the hydrous 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 following technical advantages can be achieved:
1. the base 1 is provided with a guide sleeve 6-1, a support rod 6-2 with two groups of support grooves 6-3 is arranged in the guide sleeve 6-1, the lower surface of the support plate 3 is provided with the support sleeve 6-6, the support rod 6-2 is limited by inserting the support block 6-4 into the support groove 6-3, and the support plate 3 is lifted up and separated from the electronic scale 2, or the support 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 support plate 3;
2. a grinding tank 7-1 is arranged on the carrier plate 3 and is locked with the carrier plate 3 through an installation frame 7-2, a grinding head 7-4 is arranged on the installation frame 7-2 through a crankshaft 7-3, and a plug bush 7-5 is arranged on the crankshaft 7-3, so that the connection and installation of a handle 7-7 and the crankshaft 7-3 are realized, and further, the grinding, heating and dehydration of a sample are realized in the grinding tank 7-1, and the determination of the water content of the sample is realized;
3. the support plate 3 is matched with the clamping groove 5 on the containing box 4, the containing box 4 is provided with the mounting groove 11 and the threaded sleeve 12, the support plate 3 and the handle 7-7 are matched for use, the support plate 3 is conveniently changed into a cover of the containing box 4 for use, locking can be carried out through the handle 7-7, and therefore a single structural part has different functions, and the whole weight of equipment is reduced.
It will be appreciated by those skilled in the art that modifications and equivalents may be made to the embodiments described above, and that various modifications, equivalents, improvements and the like may be made without departing from the spirit and scope of the invention.
Claims (6)
1. A portable measuring instrument for forest student status investigation comprises a base (1), an electronic scale (2), a carrier plate (3) and a containing box (4), wherein the electronic scale (2) is fixedly arranged on the upper surface of the base (1), the carrier plate (3) is arranged on the electronic scale (2), the containing box (4) is fixedly arranged on the upper inner side wall of the base (1), the right end of the containing box (4) is provided with an opening, clamping grooves (5) are symmetrically and fixedly arranged on the front side edge and the rear side edge of the right end of the containing box (4), and the upper end of each clamping groove (5) is provided with an opening; it is characterized in that it also comprises:
the support piece (6), 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);
the workpiece (7), 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 plate (3) is lifted up through the support piece (6) to be separated from the electronic scale (2), the soil sample is placed in the processing piece (7) for dehydration treatment, and the support piece (6) is folded up, so that the support plate (3) and articles on the support plate are placed on the electronic scale (2) for weighing.
2. The portable measuring instrument for forest status investigation according to claim 1, wherein: the support (6) comprises:
the guide sleeve (6-1), 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 arranged in a closed manner;
the supporting rod (6-2) is movably inserted into the upper port of the guide sleeve (6-1), and two supporting grooves (6-3) are formed in the side wall of the supporting rod (6-2) from top to bottom;
the supporting blocks (6-4) are movably inserted into the supporting grooves (6-3) at the upper end and the lower end of the supporting rod (6-2), and the supporting blocks (6-4) are movably abutted 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 fixedly arranged on the side wall of the base (1);
the support sleeve (6-6), the support sleeve (6-6) is fixedly arranged on the lower surface of the support plate (3), 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);
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), 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 carrier plate (3) is put down for weighing, the supporting block (6-4) is pulled out from the supporting groove (6-3), at the moment, the elastic piece (6-5) holds force, and the support bar (6-2) falls down, 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), and the supporting block (6-4) is inserted into the supporting groove (6-3) on the upper side of the supporting rod (6-2).
3. The portable measuring instrument for forest status investigation according to claim 1, wherein: the workpiece (7) comprises:
the grinding tank (7-1), the grinding tank (7-1) is arranged on the carrier plate (3), and a heating element (8) is arranged on the inner side wall of the grinding tank (7-1);
the mounting rack (7-2), the mounting rack (7-2) is arranged on the grinding tank (7-1), and the mounting rack (7-2) abuts against the side edge of the upper port of the grinding tank (7-1);
the crankshaft (7-3) is screwed on the mounting rack (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), 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 fixedly arranged at the upper end of the crankshaft (7-3), 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) is movably inserted into the insertion sleeve (7-5), the side wall of the handle (7-7) is fixedly provided with an insertion block (7-8), and the insertion block (7-8) is movably inserted into the insertion slot (7-6);
when a sample is processed, a soil sample is placed into a grinding tank (7-1), a heating element (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 being heated are respectively weighed, and the difference value of the two weighing is the water content of the sample.
4. The portable measuring instrument for forest status investigation according to claim 3, wherein: the heating element (8) comprises:
the electric coupling heating piece (8-1) is embedded and fixed on the inner side wall of the grinding tank (7-1), the surface of the electric coupling heating piece (8-1) is covered with a heat conduction protection sheet (8-2), and the heat conduction protection sheet (8-2) is fixedly arranged on the inner side wall of the grinding tank (7-1);
the storage battery (8-3) is fixedly arranged in the storage box (4) through a buckle, a conductive female seat (8-5) is connected to an electrode of the storage battery (8-3) through a lead, and a conductive sub seat (8-4) is connected to an electrode of the couple heating plate (8-1) through a lead;
the conductive sub-base (8-4) is connected with the conductive main base (8-5), so that the connection and electrification of the couple heating sheet (8-1) and the storage battery (8-3) are realized, and the couple heating sheet (8-1) generates heat during working.
5. The portable measuring instrument for forest status investigation according to claim 3, wherein: a limiting groove (9) is formed in the upper side edge of the grinding tank (7-1), the mounting rack (7-2) is movably embedded in the limiting groove (9), a limiting hole (10) is formed in the upper surface of the support plate (3), and the lower end of the mounting rack (7-2) is movably inserted in the limiting hole (10);
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), and the mounting frame (7-2) is pressed downwards when the handle (7-7) is rotated.
6. The portable measuring instrument for forest status investigation according to claim 3, wherein: mounting grooves (11) are fixedly arranged on the front side edge and the rear side edge of the right port of the storage box (4) above the clamping grooves (5), openings are formed in the front end and the rear end of each mounting groove (11), threaded sleeves (12) are screwed on the walls of the clamping grooves (5) on the front side and the rear side through bearings, and threaded grooves (13) are formed in the side wall of one end of the handle (7-7) arranged in the plug bushes (7-5);
when the device is stored, the grinding tank (7-1) and the mounting rack (7-2) are placed into the storage box (4), the carrier plate (3) is inserted into the clamping groove (5) on the storage box (4), the carrier plate (3) covers 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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