CN109405706B - Aquatic plant stem length observation device and use method - Google Patents
Aquatic plant stem length observation device and use method Download PDFInfo
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- CN109405706B CN109405706B CN201811242035.0A CN201811242035A CN109405706B CN 109405706 B CN109405706 B CN 109405706B CN 201811242035 A CN201811242035 A CN 201811242035A CN 109405706 B CN109405706 B CN 109405706B
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- 241000196324 Embryophyta Species 0.000 title claims abstract description 83
- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000007704 transition Effects 0.000 claims abstract description 46
- 230000007246 mechanism Effects 0.000 claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000011521 glass Substances 0.000 claims abstract description 13
- 238000005192 partition Methods 0.000 claims description 13
- 238000004804 winding Methods 0.000 claims description 11
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 238000005452 bending Methods 0.000 claims description 3
- 230000012010 growth Effects 0.000 abstract description 5
- 101150114468 TUB1 gene Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000013468 resource allocation Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000005082 stem growth Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
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- General Physics & Mathematics (AREA)
- Cultivation Of Plants (AREA)
Abstract
The aquatic plant stem length observation device and the application method are used for conveniently observing the growth of the aquatic plants. A water inlet and a water outlet are arranged on the barrel body; a shell is slidably arranged in front of the barrel body, a locking mechanism is arranged between the shell and the barrel body, and a mounting plate is fixedly arranged on the shell; the transverse rod is slidably arranged on the mounting plate, and the mounting plate is provided with a translation mechanism for driving the transverse rod to move left and right relative to the mounting plate; a transition block is fixed on the cross rod, one end of the support rod is arranged in an inner cavity of the transition block and is connected with the transition block in a front-back sliding way, a magnifying glass is fixed at the other end of the support rod, and a positioning mechanism is arranged between the transition block and the support rod; a measuring cylinder is detachably arranged in the barrel body, and an upper arm and a lower arm are arranged on the same side of the measuring cylinder; clamping mechanisms for clamping the aquatic plants are arranged between the upper arm and the movable cylinder and between the lower arm and the measuring cylinder; the outer wall of the measuring cylinder is provided with scale marks. The device can conveniently observe the growth of aquatic plants.
Description
Technical Field
The invention relates to the technical field of aquatic plant observation, in particular to an aquatic plant stem length observation device and a use method thereof.
Background
The aquatic plants have important economic value and ecological function in the wide water area and the wetland. Since the stem grows in water for a long period of time, the stem is an important supporting tissue and resource storage site for the aquatic plant, and therefore, the stem length of the aquatic plant is an important index for evaluating the growth condition and resource allocation thereof. However, since the aquatic plant growing environment is special and unfavorable for continuous observation, the current research on the stems of the aquatic plants is generally carried out by collecting plant individuals and stem tissue samples, the method has damage to the aquatic plant plants and is unfavorable for long-term dynamic observation, and the method for collecting plant individuals or tissue samples not only can cause the resource waste of the aquatic plants, but also can cause serious damage to some rare or endangered aquatic plant resources due to weaker stress resistance and interference resistance of the aquatic plants. The invention provides an aquatic plant stem length observation device which can perform in-situ nondestructive observation and sustainable growth dynamic observation on stem length in the process of aquatic plant cultivation, and provides a high-efficiency and convenient tool for stem growth condition observation of aquatic plants.
Disclosure of Invention
The invention aims to provide an aquatic plant stem length observation device and a use method thereof, which are used for conveniently observing the growth of aquatic plants.
The technical scheme adopted for solving the technical problems is as follows: the aquatic plant stem length observation device is characterized by comprising a barrel body, a magnifying glass, a shell, a mounting plate, a locking mechanism, a cross rod, a transition block, a translation mechanism, a positioning mechanism, a measuring cylinder, an upper arm, a lower arm and a clamping mechanism, wherein the upper part of the barrel body is provided with a water inlet, the lower part of the barrel body is provided with a water outlet, and a valve is arranged on the water outlet;
a shell is slidably arranged on the front side wall of the barrel body, the shell moves up and down relative to the barrel body, a locking mechanism is arranged between the shell and the barrel body, and a mounting plate is fixedly arranged on the shell; the transverse rod is slidably arranged on the mounting plate, and the mounting plate is provided with a translation mechanism for driving the transverse rod to move left and right relative to the mounting plate;
a transition block is fixed on the cross rod, the transition block is of a hollow structure, one end of a supporting rod is arranged in an inner cavity of the transition block and is connected with the transition block in a front-back sliding way, a magnifying glass is fixed at the other end of the supporting rod, and a positioning mechanism is arranged between the transition block and the supporting rod;
a measuring cylinder is detachably arranged in the barrel body, and an upper arm and a lower arm which are arranged up and down are arranged on the same side of the measuring cylinder; the upper arm is fixedly connected with a movable barrel positioned at the inner side of the measuring barrel, the movable barrel is connected with the measuring barrel in an up-down sliding way, the lower arm is fixedly connected with the measuring barrel, and clamping mechanisms for clamping aquatic plants are arranged between the upper arm and the movable barrel and between the lower arm and the measuring barrel; the outer wall of the measuring cylinder is provided with scale marks.
Further, a pair of guide rails are fixed on the front side wall of the barrel body, and the shell is in sliding connection with the guide rails.
Further, the locking mechanism comprises a supporting block, a movable block, a compression spring, a rack, a locking gear, a push rod, a locking device, a locking spring, a locking pin and a sliding plate, wherein the shell is of a hollow structure, the supporting block is fixed in an inner cavity of the shell, a square hole is formed in the supporting block, the movable block is slidably arranged in the square hole, and the compression spring is arranged between the movable block and the inner wall of the square hole; a locking gear and a winding wheel which are coaxially arranged are rotationally arranged in the square hole, a push rod is slidably arranged on the front side wall of the shell, and a rack meshed with the locking gear is arranged between the push rod and the movable block; the support blocks on two sides of the square hole are provided with mounting holes, a locking device is fixed in the mounting holes, a sliding plate is slidably arranged in an inner cavity of the locking device, a locking pin is fixed on the sliding plate, a locking spring is arranged between the sliding plate and the inner wall of the locking device, and one end of the locking pin penetrates out of the shell and then stretches into the locking hole on the guide rail under the action of the locking spring; a first stay wire is arranged between the other end of the locking pin and the outer wall of the winding wheel.
Further, the translation mechanism comprises a screw rod rotatably arranged on the mounting plate, a screw rod nut matched with the screw rod, and a roller fixed on the screw rod, wherein the screw rod nut is fixedly connected with the cross rod.
Further, the positioning mechanism comprises an ejection spring arranged between the supporting rod and the inner wall of the transition block, a screw rod arranged on the side wall of the transition block in a threaded manner, a pressing plate fixed on the screw rod and always contacted with the supporting rod, and a knob fixed on the screw rod and arranged outside the transition block, wherein the ejection spring and the screw rod are respectively arranged on two sides of the supporting rod.
Further, the clamping mechanism between the lower arm and the measuring cylinder comprises a pair of clamping rods, pinions coaxially arranged with the clamping rods, a large gear meshed with one of the pinions, a lower wire wheel coaxially arranged with the large gear, an upper wire wheel rotatably arranged on the upper part of the measuring cylinder, a transition wire wheel rotatably arranged on the lower part of the measuring cylinder, a second stay wire arranged between the upper wire wheel and the outer wall of the lower wire wheel, a coil spring arranged between the lower wire wheel and the lower arm, a handle coaxially arranged with the upper wire wheel and arranged outside the measuring cylinder, wherein the two pinions are in meshed fit, the second stay wire is also in contact with the outer wall of the transition wire wheel, an arc groove is formed in the clamping rod, and the two arc grooves are in fit for clamping roots of aquatic plants.
Further, the clamping mechanism between the upper arm and the movable barrel comprises a pair of clamping rods, pinions coaxially arranged with the clamping rods, a large gear meshed with one of the pinions, a lower wire wheel coaxially arranged with the large gear, an upper wire wheel rotatably arranged on the upper part of the movable barrel, a transition wire wheel rotatably arranged on the lower part of the movable barrel, a second wire arranged between the upper wire wheel and the outer wall of the lower wire wheel, a coil spring arranged between the lower wire wheel and the upper arm, a handle coaxially arranged with the upper wire wheel and arranged outside the measuring barrel, the two pinions are meshed and matched, the second wire is also contacted with the outer wall of the transition wire wheel, an arc groove is formed in the clamping rod, and the two arc grooves are matched to clamp stems of aquatic plants.
Further, a baffle plate is arranged on the inner side of the measuring cylinder, the inner cavity of the measuring cylinder is divided into a left part and a right part by the baffle plate, the movable cylinder is arranged on the right side of the baffle plate, and an avoidance groove for avoiding an upper arm is formed in the right side wall of the measuring cylinder; a vertical plate is fixed on the partition plate, flexible protrusions are arranged on the vertical plate at equal intervals, and grooves matched with the protrusions in an inserting mode are formed in the outer wall of the movable barrel.
Further, a fixed nut is arranged at the lower part of the measuring cylinder and is in threaded connection with a stud at the bottom of the barrel body; a pull plate is fixed at the top of the movable cylinder, and a pull ring is arranged on the pull plate.
The application method of the aquatic plant stem length observation device is characterized by comprising the following steps of:
(1) Adding culture solution or water into the barrel body through the water filling port, and then placing the aquatic plants in the barrel body;
(2) The root of the aquatic plant is clamped by the lower clamping rod, the stem of the aquatic plant is clamped by the upper clamping rod, and the pull ring is pulled according to the bending degree of the stem of the aquatic plant, so that the stem of the aquatic plant is straightened by the upper clamping rod;
(3) The length of the stem of the aquatic plant is observed through the scale on the measuring cylinder, and the magnifying glass is adjusted to observe the local characteristics of the stem of the aquatic plant.
The beneficial effects of the invention are as follows: the aquatic plant stem length observation device and the application method can conveniently realize the cultivation of the aquatic plants, can conveniently realize the observation of the stems of the aquatic plants through the magnifier with adjustable positions, and can realize the clamping of the stems of the aquatic plants by the arrangement of the measuring cylinder so as to facilitate the observation; the scale mark on the measuring cylinder can conveniently realize the length measurement of the stems of the aquatic plants.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a cross-sectional view of the tub;
FIG. 3 is a partial view in the direction A of FIG. 1;
FIG. 4 is a schematic view of a locking mechanism;
FIG. 5 is a schematic view of the assembly of the magnifying lens on the mounting plate;
FIG. 6 is one of the schematic views of the adjustment of the magnifier;
FIG. 7 is a second schematic view of the adjustment of the magnifier;
FIG. 8 is a schematic view of a cartridge;
FIG. 9 is a partial view in the B direction of FIG. 8;
FIG. 10 is an assembled schematic view of a clamping bar;
FIG. 11 is a schematic illustration of an aquatic plant clamp;
FIG. 12 is a schematic view of the internal structure of the measuring cylinder;
FIG. 13 is an enlarged view of a portion of FIG. 12 at C;
in the figure: 1 barrel, 11 water inlet, 12 water outlet, 13 stud, 14 guide rail, 141 spout, 142 locking hole, 2 mounting plate, 3 shell, 31 supporting shoe, 32 movable block, 321 rack, 33 compression spring, 34 push rod, 341 button, 35 locking gear, 36 locking device, 361 slide plate, 362 locking pin, 363 locking spring, 364 limit plate, 37 slide block, 38 ear plate, 39 first pull wire, 4 lead screw, 41 support, 42 roller, 43 lead screw nut, 431 connecting rod, 44 cross rod, 45 transition block, 451 guide rod, 452 ejection spring, 46 support rod, 461 magnifier, 47 screw, 471 press plate, 472 knob, 5 measuring cylinder, 50 avoidance groove, 51 fixing nut, 52 lower arm, 521 clamping rod, 522 circular arc groove, 523 pinion, 524 big gear, 525 lower wire wheel, 526 second pull wire, 527 rotating shaft, 53 upper arm, 54 scale wire, 55 partition plate, 551 upper wire wheel, 552 handle, 56 pull plate, 561 pull wire, 57 vertical plate, 571 boss, 58 movable cylinder, 581 groove, 59, 61 bridge wire, 61, 62 of aquatic plant, 62 aquatic plant.
Detailed Description
As shown in fig. 1 to 13, the present invention mainly includes a tub 1, a mounting plate 2, a housing 3, a locking mechanism, a cross bar 44, a transition block 45, a magnifying glass 461, a measuring cylinder 5, and a clamping mechanism, and is described below with reference to the accompanying drawings.
As shown in fig. 1 and 2, the barrel body 1 is a cuboid hollow structure, the top of the barrel body is open, and the barrel body is transparent. The side wall of the upper part of the barrel body is provided with a water inlet 11, the side wall of the lower part of the barrel body is provided with a water outlet 12, and the water outlet is provided with a valve. The bottom of the inner cavity of the barrel body is provided with a stud 13, the front side wall of the barrel body is fixedly provided with a pair of parallel guide rails 14, as shown in fig. 3, the guide rails are long-bar-shaped, vertical sliding grooves 141 are arranged on the guide rails, and a plurality of locking holes 142 which are arranged at equal intervals up and down are arranged on the guide rails.
A casing 3 is arranged between the two guide rails, and as shown in fig. 4 and 5, slide blocks 37 are respectively fixed on the left and right side walls of the casing and are in sliding connection with corresponding slide grooves. The shell 3 is of a hollow structure, a supporting block 31 is arranged in the inner cavity of the shell, a square hole is formed in the supporting block, a movable block 32 is slidably arranged in the square hole, a compression spring 33 is arranged between the movable block and the inner wall of the square hole, a rack 321 is fixed on the movable block, a locking gear 35 is rotatably arranged in the square hole, and the locking gear is meshed with the rack. A winding wheel is fixed on a gear shaft of the locking gear, a push rod 34 is slidably arranged on the front side wall of the shell, one end of the push rod arranged in the square hole is fixedly connected with the rack, a button 341 is fixed on the push rod arranged outside the shell, and when the button is pressed, the push rod can be pushed to move towards the inside of the shell, and at the moment, the locking gear rotates anticlockwise; after the button is released, the movable block moves in the square hole under the action of the compression spring, so that the push rod is pushed to move towards the outside of the shell, and the locking gear rotates clockwise at the moment.
The support blocks on the left side and the right side of the square hole are respectively provided with a mounting hole, the locking devices 36 are respectively fixed in the mounting holes, the sliding plate 361 is slidably arranged in the inner cavity of the locking devices, the locking pins 362 are fixed on the sliding plate, the locking springs 363 are respectively arranged between the sliding plate and the inner walls of the locking devices, and one ends of the locking pins penetrate through the locking devices under the action of the locking springs and then extend out of the shell. A limiting plate 364 is fixed to the other end of the locking pin, and is disposed outside the locker. A first stay wire 39 is arranged between the limiting plate and the outer wall of the winding wheel, when the gear rotates anticlockwise, the winding wheel rotates synchronously along with the gear, and at the moment, the first stay wire is continuously wound on the winding wheel, so that the elastic force of the locking spring is overcome, and one end of the locking pin is driven to gradually enter the shell. When the gear rotates clockwise, the winding wheel rotates synchronously with the gear, and at the moment, the first stay wire is continuously released from the winding wheel, so that one end of the locking pin is driven to gradually extend out of the shell under the action of the locking spring. When the locking pin extends into the locking hole, the shell and the guide rail are relatively fixed. To facilitate pushing the housing up and down relative to the rail when the button is depressed, an ear plate 38 is secured to the housing; when in use, the ear plate is pinched by fingers, the button is pressed down, and then the shell is pushed to move up and down. After the locking pin is in plug-in fit with the locking holes with different heights, as shown in fig. 6, the position adjustment of the housing in the vertical direction is realized. The locking mechanism is formed by the supporting block, the movable block, the compression spring, the rack, the gear, the winding wheel, the push rod, the button, the locking device, the locking pin, the sliding plate, the locking spring, the first pull wire and the limiting plate.
The mounting plate 2 is fixed on the front side wall of the shell, the pair of supports 41 are fixed on the mounting plate, the screw 4 is rotatably installed between the two supports, the roller 42 is fixed on the screw, the screw nut 43 is also installed on the screw in a matched mode, the connecting rod 431 is fixed at the bottom of the screw nut, the connecting rod is in sliding connection with the support on the right side, through holes which are in sliding fit with the connecting rod are formed in the support on the right side, the cross rod 44 is fixed on the connecting rod, the transition block 45 is fixed on the cross rod, the transition block is of a hollow structure, four guide rods 451 are fixed in the inner cavity of the transition block, and the four guide rods are located at four vertexes of a rectangle. A support rod 46 is arranged in the inner cavity of the transition block in a vertical sliding way, and is connected with the guide rod in a sliding way. An ejection spring 452 is arranged between the support rod and the inner wall of the transition block, a screw 47 is arranged on the side wall of the transition block in a threaded manner, a pressing plate 471 is fixed at one end of the screw arranged on the inner side of the transition block, the pressing plate and the ejection spring are arranged on two sides of the support rod, and the pressing plate and the support rod are always kept in contact under the action of the ejection spring. A magnifying glass 461 is fixed on the support rod, and the local fine features of the aquatic plants in the barrel body can be clearly seen through the magnifying glass. In order to adjust the relative position between the support rod and the transition block, a knob 472 is fixed at one end of a screw rod arranged outside the transition block; when the knob is rotated, the length of the screw extending into the transition block is changed, so that the ejection spring is stretched or compressed, the distance between the support rod and the barrel body is changed, and as shown in fig. 7, the position of the magnifying glass relative to the barrel body along the front-back direction is adjusted. The screw rod, the ejection spring, the pressing plate and the knob form a positioning mechanism for adjusting the relative position between the magnifier and the cross bar.
When the roller is rotated, the screw rod can be driven to rotate, and then the screw rod nut moves left and right relative to the barrel body, as shown in fig. 6, so that the position adjustment of the magnifying glass relative to the barrel body along the left and right direction is realized. The screw rod, the screw rod nut and the roller form a translation mechanism for driving the transverse rod to move left and right relative to the barrel body.
The measuring cylinder 5 is arranged at the inner side of the barrel body, as shown in fig. 8, a fixed nut 51 is fixed on the outer wall of the lower part of the measuring cylinder, and the fixed nut is in threaded connection with the stud. As shown in fig. 12, a partition 55 is fixed in the inner cavity of the measuring cylinder, the partition divides the inner cavity of the measuring cylinder into a left part and a right part, a lower arm 52 is fixed at the lower part of the measuring cylinder, the lower arm is a rod with a hollow structure, as shown in fig. 9 and 10, a pair of clamping rods 521 are arranged at one end of the lower arm far away from the measuring cylinder, one end of each clamping rod is rotatably arranged in the lower arm through a rotating shaft 527, a pinion 523 is fixed on each rotating shaft, and the two pinions are in meshed fit. Coaxially disposed large gears 524 and a lower wire wheel 525 are rotatably mounted in the inner cavity of the lower arm, the large gears being in mesh with one of the small gears. The clamping rods are provided with arc grooves 522, and the arc grooves on the two clamping rods cooperate to clamp the stems 6 of the aquatic plants. When the big gear rotates, the two small gears can be driven to rotate, and the directions of the two small gears are opposite. A coil spring is arranged between the lower line wheel and the lower arm, and under the action of the coil spring, the two clamping rods are contacted, and the two circular arc grooves are matched to clamp the stems of the aquatic plants. The left side of the partition plate is provided with a transition line wheel 59 rotationally connected with the measuring cylinder, the transition line wheel is positioned at the lower part of the measuring cylinder, the left side of the partition plate is rotationally provided with an upper line wheel 551, the upper line wheel is positioned at the upper part of the measuring cylinder, a handle 552 is fixed on a wheel shaft of the upper line wheel, and the handle is arranged outside the measuring cylinder. The clamping rod, the pinion, the large gear, the lower line wheel, the transition line wheel, the upper line wheel and the handle form a clamping mechanism, and the clamping mechanism is positioned between the lower arm and the measuring cylinder. A second pull wire 526 is provided between the outer walls of the upper and lower pulleys, and also contacts the outer wall of the transition pulley.
A movable tube 58 is arranged on the right side of the partition plate and is connected with the inner wall of the measuring tube in an up-down sliding way. An upper arm 53 is fixed to the lower part of the movable tube, and has the same structure as the lower arm and different sizes. And a clamping mechanism is also arranged between the upper arm and the movable cylinder, and the two clamping mechanisms cooperate to realize clamping of the aquatic plants. The right side wall of the measuring cylinder is provided with an avoidance groove 50, and the upper arm extends out of the measuring cylinder for a section after passing through the avoidance groove. A pull plate 56 is fixed to the top of the movable tube, and a pull ring 561 is fixed to the pull plate. As shown in fig. 11, in use, the lower holding rod holds the root 62 of the aquatic plant and the upper holding rod holds the stem 6 of the aquatic plant; when the stems of the aquatic plants are bent, the pull ring can be lifted to enable the movable barrel to move upwards, and then the clamping rods above the movable barrel play a straightening role on the stems of the aquatic plants. When the handle is rotated, the two clamping rods in the pair can be driven to be separated, so that stems or roots of aquatic plants are placed between the clamping rods; after the handle is loosened, under the action of the coil spring, the large gear rotates, so that the small gear is driven to rotate, and then the two clamping rods are contacted to clamp stems or roots of aquatic plants.
As shown in fig. 7, graduation marks 54 are provided on the outer wall of the measuring cylinder in order to measure the stem length of the aquatic plant. In order to realize the relative static between the movable tube and the measuring tube, as shown in fig. 12, a vertical plate 57 is arranged on the right side of the partition plate, the vertical plate can be fixed on the partition plate, the vertical plate is a rubber member, as shown in fig. 13, a plurality of protrusions 571 which are arranged at equal intervals up and down are arranged on the right side surface of the vertical plate, the protrusions are also rubber members, a plurality of grooves 581 which are arranged at equal intervals up and down are arranged on the outer wall of the movable tube, and the relative fixation of the vertical plate and the movable tube can be realized when the protrusions are arranged in the grooves. The bulge is a flexible rubber part, and when the pull ring is lifted or pressed, the bulge can be easily moved out of the groove, so that the relative position between the movable cylinder and the measuring cylinder can be conveniently adjusted.
When in use, the culture solution or water is added into the barrel body through the water filling port, and then the aquatic plants are placed in the barrel body. The root of the aquatic plant is clamped through the clamping rod at the lower part, the stem of the aquatic plant is clamped through the clamping rod at the upper part, the pull ring is pulled according to the bending degree of the stem of the aquatic plant, the stem of the aquatic plant is straightened through the clamping rod at the upper part, the length of the stem of the aquatic plant is observed through the scale on the measuring cylinder, and the local characteristics of the stem of the aquatic plant can be observed by adjusting the position of the magnifying glass. The leaves 61 of the aquatic plant float on the water surface or sink in the water, and can be observed from above.
For the convenience provides illumination to aquatic plant's growth, can also set up the light in the top of staving, the luminance of light is adjustable, and the light passes through the lamp pole to be fixed on the staving, and the lamp pole is the plastics pole, can with staving outer wall fixed connection or threaded connection.
Claims (10)
1. The aquatic plant stem length observation device is characterized by comprising a barrel body, a magnifying glass, a shell, a mounting plate, a locking mechanism, a cross rod, a transition block, a translation mechanism, a positioning mechanism, a measuring cylinder, an upper arm, a lower arm and a clamping mechanism, wherein the upper part of the barrel body is provided with a water inlet, the lower part of the barrel body is provided with a water outlet, and a valve is arranged on the water outlet;
a shell is slidably arranged on the front side wall of the barrel body, the shell moves up and down relative to the barrel body, a locking mechanism is arranged between the shell and the barrel body, and a mounting plate is fixedly arranged on the shell; the transverse rod is slidably arranged on the mounting plate, and the mounting plate is provided with a translation mechanism for driving the transverse rod to move left and right relative to the mounting plate;
a transition block is fixed on the cross rod, the transition block is of a hollow structure, one end of a supporting rod is arranged in an inner cavity of the transition block and is connected with the transition block in a front-back sliding way, a magnifying glass is fixed at the other end of the supporting rod, and a positioning mechanism is arranged between the transition block and the supporting rod;
a measuring cylinder is detachably arranged in the barrel body, and an upper arm and a lower arm which are arranged up and down are arranged on the same side of the measuring cylinder; the upper arm is fixedly connected with a movable barrel positioned at the inner side of the measuring barrel, the movable barrel is connected with the measuring barrel in an up-down sliding way, the lower arm is fixedly connected with the measuring barrel, and clamping mechanisms for clamping aquatic plants are arranged between the upper arm and the movable barrel and between the lower arm and the measuring barrel; the outer wall of the measuring cylinder is provided with scale marks.
2. An aquatic plant stem length observing apparatus according to claim 1, wherein a pair of guide rails are fixed on the front side wall of the tub, and the housing is slidably connected with the guide rails.
3. The aquatic plant stem length observation device according to claim 1, wherein the locking mechanism comprises a supporting block, a movable block, a compression spring, a rack, a locking gear, a push rod, a locking device, a locking spring, a locking pin and a sliding plate, the shell is of a hollow structure, the supporting block is fixed in an inner cavity of the shell, a square hole is formed in the supporting block, the movable block is slidably arranged in the square hole, and the compression spring is arranged between the movable block and the inner wall of the square hole; a locking gear and a winding wheel which are coaxially arranged are rotationally arranged in the square hole, a push rod is slidably arranged on the front side wall of the shell, and a rack meshed with the locking gear is arranged between the push rod and the movable block; the support blocks on two sides of the square hole are provided with mounting holes, a locking device is fixed in the mounting holes, a sliding plate is slidably arranged in an inner cavity of the locking device, a locking pin is fixed on the sliding plate, a locking spring is arranged between the sliding plate and the inner wall of the locking device, and one end of the locking pin penetrates out of the shell and then stretches into the locking hole on the guide rail under the action of the locking spring; a first stay wire is arranged between the other end of the locking pin and the outer wall of the winding wheel.
4. An aquatic plant stem length observation device according to claim 1, wherein the translation mechanism comprises a screw rotatably mounted on the mounting plate, a screw nut engaged with the screw, and a roller fixed on the screw, the screw nut being fixedly connected to the cross bar.
5. The aquatic plant stem length observation device according to claim 1, wherein the positioning mechanism comprises an ejection spring arranged between the support rod and the inner wall of the transition block, a screw rod screwed on the side wall of the transition block, a pressing plate fixed on the screw rod and always contacted with the support rod, and a knob fixed on the screw rod and arranged outside the transition block, wherein the ejection spring and the screw rod are respectively arranged on two sides of the support rod.
6. The aquatic plant stem length observation device according to claim 1, wherein the clamping mechanism between the lower arm and the measuring cylinder comprises a pair of clamping rods, a pinion coaxially arranged with the clamping rods, a large gear meshed with one of the pinions, a lower wire wheel coaxially arranged with the large gear, an upper wire wheel rotatably arranged on the upper part of the measuring cylinder, a transition wire wheel rotatably arranged on the lower part of the measuring cylinder, a second stay wire arranged between the upper wire wheel and the outer wall of the lower wire wheel, a coil spring arranged between the lower wire wheel and the lower arm, a handle coaxially arranged with the upper wire wheel and arranged outside the measuring cylinder, the two pinions are meshed and matched, the second stay wire is also contacted with the outer wall of the transition wire wheel, an arc groove is arranged on the clamping rods, and the two arc grooves are matched and act to clamp roots of aquatic plants.
7. An aquatic plant stem length observing apparatus according to claim 6, wherein the clamping mechanism between the upper arm and the movable barrel comprises a pair of clamping rods, a pinion coaxially arranged with the clamping rods, a large gear meshed with one of the pinions, a lower wire wheel coaxially arranged with the large gear, an upper wire wheel rotatably arranged on the upper part of the movable barrel, a transition wire wheel rotatably arranged on the lower part of the movable barrel, a second wire arranged between the upper wire wheel and the outer wall of the lower wire wheel, a coil spring arranged between the lower wire wheel and the upper arm, a handle coaxially arranged with the upper wire wheel and arranged outside the measuring barrel, the two pinions are meshed and matched, the second wire is also contacted with the outer wall of the transition wire wheel, an arc groove is arranged on the clamping rods, and the two arc grooves are matched and act to clamp stems of aquatic plants.
8. The aquatic plant stem length observation device according to claim 1, wherein a partition plate is arranged on the inner side of the measuring cylinder, the partition plate divides an inner cavity of the measuring cylinder into a left part and a right part, the movable cylinder is arranged on the right side of the partition plate, and an avoidance groove for avoiding an upper arm is formed in the right side wall of the measuring cylinder; a vertical plate is fixed on the partition plate, flexible protrusions are arranged on the vertical plate at equal intervals, and grooves matched with the protrusions in an inserting mode are formed in the outer wall of the movable barrel.
9. The aquatic plant stem length observation device according to claim 8, wherein a fixing nut is arranged at the lower part of the measuring cylinder and is in threaded connection with a stud at the bottom of the barrel body; a pull plate is fixed at the top of the movable cylinder, and a pull ring is arranged on the pull plate.
10. The method of using the aquatic plant stem length observation device of any one of claims 1 to 9, comprising the steps of:
(1) Adding culture solution or water into the barrel body through the water filling port, and then placing the aquatic plants in the barrel body;
(2) The root of the aquatic plant is clamped by the lower clamping rod, the stem of the aquatic plant is clamped by the upper clamping rod, and the pull ring is pulled according to the bending degree of the stem of the aquatic plant, so that the stem of the aquatic plant is straightened by the upper clamping rod;
(3) The length of the stem of the aquatic plant is observed through the scale on the measuring cylinder, and the magnifying glass is adjusted to observe the local characteristics of the stem of the aquatic plant.
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