Photosynthesis instrument supporting device for photosynthetic detection of field tobacco leaves

Abstract

The utility model belongs to the technical field of tobacco field management equipment, and particularly relates to a photosynthetic instrument supporting device for photosynthetic detection of field tobacco leaves, which comprises a supporting plate and a plurality of supporting legs hinged to the bottom surface of the supporting plate, the supporting disc is radially and fixedly arranged at the top end of the main supporting rod, the two sides of the supporting disc are coaxially and rotationally connected with positioning discs, and the two positioning discs are provided with an air source cylinder support and a leaf chamber support which extend in the radial direction respectively. The leaf chamber support comprises a first telescopic sleeve, the output end of the first telescopic sleeve is fixedly sleeved with a sleeve, and a hinge piece fixedly arranged at the top of the sleeve is hinged to a first hinge base at the bottom end of the U-shaped pipe clamp through a pin shaft. The supporting device is simple in structure, and can effectively and stably support a gas source bottle and a leaf chamber part of the photosynthetic instrument, so that the labor load of operators is greatly reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to tobacco field management equipment technical field, especially relates to a field tobacco leaf photosynthesis detection photosynthetic instrument support device. BACKGROUND

[0002] The photosynthetic instrument is a kind of more conventional data acquisition equipment, its operation needs to be attached to leaf blade with leaf chamber part, simultaneously, CO2 Gas in gas source bottle is used as the absorption carbon source of leaf blade under detection state, and the data acquisition of plant leaf photosynthesis is realized by calculation.

[0003] But when the data acquisition is applied to the environment of field tobacco, there are the following problems: 1) the quality of leaf chamber part of photosynthetic instrument is larger, and the data acquisition time of each leaf blade is 2-3 minutes, in addition, tobacco plant is higher, so the data acquisition operation of middle leaf and upper leaf of tobacco plant puts forward higher requirement to the physical strength of operator;2) in order to detect the photosynthesis data of tobacco leaf in natural environment as accurately as possible, the gas in gas source bottle needs to use natural air, and the influence of tobacco plant itself photosynthesis on gas source is reduced as far as possible, so an additional person is needed to hold the gas source bottle with top opening to the upper of tobacco plant.The overall operation is more complicated and the labor load is larger. UTILITY MODEL CONTENT

[0004] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a field tobacco leaf photosynthesis detection photosynthetic instrument support device, which is simple in structure, can effectively and stably support the gas source bottle and leaf chamber part of the photosynthetic instrument, and further greatly reduces the labor load of the operator.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A field tobacco leaf photosynthesis detection photosynthetic instrument support device, comprising a support plate and a plurality of supporting legs hinged to the bottom surface of the support plate, a main supporting rod is screw-connected to the center of the support plate, a support disc is fixedly arranged at the top end of the main supporting rod, and a positioning disc is coaxially connected to the both sides of the support disc, the two positioning discs are respectively provided with a radially extending gas source cylinder support and a leaf chamber part support;

[0007] The leaf chamber part support comprises a first telescopic sleeve, and a sleeve is fixedly arranged at the output end of the first telescopic sleeve, a hinge piece fixedly arranged at the top of the sleeve is hingedly connected to a first hinge seat at the bottom end of the U-shaped tube clamp through a pin shaft.

[0008] Preferably, the leaf chamber part support further comprises a leaf supporting rod in T-shaped structure, a second hinge seat fixedly arranged at the bottom of the sleeve is hingedly connected to the horizontal part of the leaf supporting rod through a pre-set through hole and a pin shaft.

[0009] Preferably, a rubber ring is coaxially arranged on the inner wall of the through hole of the second hinge seat.

[0010] Preferably, the support disc is provided with a plurality of first limiting protrusions arranged equidistantly in the circumferential direction and extending in the radial direction on both sides of the disc surface, and the positioning disc is provided with a plurality of second limiting protrusions arranged equidistantly in the circumferential direction and extending in the radial direction on the disc surface facing the support disc, and the second limiting protrusions are inserted into the gaps between adjacent two first limiting protrusions.

[0011] Preferably, the support disc is provided with a threaded through hole at the disc core, and the locking screw is screwed with the threaded through hole after penetrating the through hole pre-provided at the disc core of the corresponding positioning disc.

[0012] Preferably, the air source cylinder support includes a second telescopic sleeve, and the output end of the second telescopic sleeve is connected with the middle section of the horizontal part of the U-shaped plate, the inner walls of the two vertical parts of the U-shaped plate are provided with screw holes matched with the screw cylinders provided with external threads, and the ends of the two shaft rods away from each other are rotationally connected with the inner walls of the corresponding screw cylinders and fixedly connected with the suction discs.

[0013] The working process of the utility model is as follows:

[0014] The utility model is moved to the target tobacco plant in the field, and then the height of the support disc from the ground is adjusted according to the approximate height of the tobacco plant, that is, the support plate is rotated relative to the main support rod, so that the main support rod and the support plate are relatively axially displaced, and then a plurality of supporting legs are tied to the ground beside the tobacco plant.

[0015] First, the relative positions of the two positioning discs and the support disc are adjusted: the locking screw is separated from the threaded through hole of the support disc, then the positioning disc is pulled out relative to the support disc and rotated, so that the positioning disc drives the corresponding first telescopic sleeve and the second telescopic sleeve to rotate and the height and angle of the output end meet the measurement requirements. Then the positioning disc is moved towards the support disc, and the first limiting protrusions and the second limiting protrusions are inserted alternately, and at the same time the relative positions of the positioning disc and the support disc are locked by screwing the locking screw with the threaded through hole.

[0016] Then, the screw cylinders are rotated relative to the U-shaped plate, so that the suction discs on the two screw cylinders move towards or away from each other, and the gas source bottle is clamped, and at the same time the gas source bottle can rotate relative to the U-shaped plate and can always keep vertical to the ground under the action of its own weight. The second telescopic sleeve is elongated, so that the height of the gas source bottle meets the measurement requirements.

[0017] Finally, the handle of the leaf chamber part is clamped into the U-shaped tube clamp, and the first telescopic sleeve is elongated, so that the leaf chamber part is located above the leaf to be measured. Then the leaf supporting rod is rotated around the second hinge seat, so that the leaf supporting rod lifts the leaf to be measured and abuts against the leaf chamber part, and then the measurement is carried out according to the operation of the photosynthetic instrument. The weights of the leaf chamber part and the gas source bottle are borne by the utility model, and the measurer only needs to control the operation.

[0018] Compared with the prior art, the light-harvesting instrument support device for field tobacco leaf photosynthesis detection has the following advantages: simple structure, effective and stable support for the gas source bottle and the leaf chamber part of the light-harvesting instrument, and greatly reduced labor load of the operator. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The structure diagram of the light-harvesting instrument support device for field tobacco leaf photosynthesis detection is described for the specific embodiment.

[0020] Figure 2 The structure diagram of the suction cup is described for the specific embodiment.

[0021] Figure 3 The structure diagram of the support disc is described for the specific embodiment.

[0022] Figure 4 The structure diagram of the U-shaped tube clamp is described for the specific embodiment. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail by combining with the drawings and examples. It should be understood that the specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model.

[0024] As shown in Figures 1-4 A light-harvesting instrument support device for field tobacco leaf photosynthesis detection, comprising a support plate 1 and a plurality of support legs 12 hinged to the bottom surface of the support plate 1, a main support rod 11 is screw-connected to the center of the support plate 1, the top of the main support rod 11 is arranged radially relative to the support disc 13 and fixedly connected, and the support disc 13 is coaxially rotatably connected with a positioning disc 16 on both sides; a plurality of first limiting protrusions 15 are arranged on the disc surface of the support disc 13, and the first limiting protrusions 15 are arranged in a circumferential equidistant manner and extend radially; a threaded hole 14 is arranged at the disc center of the support disc 13; a plurality of second limiting protrusions (not shown in the figure) are arranged on the disc surface of the positioning disc 16, and the second limiting protrusions are arranged in a circumferential equidistant manner and extend radially; the gap part between the second limiting protrusion and the adjacent two first limiting protrusions 15 is inserted and connected; and a locking screw 17 is screw-connected to the threaded hole 14 after penetrating the through hole pre-set at the disc center of the corresponding positioning disc 16.

[0025] The two positioning discs 16 are respectively provided with a radially extending gas source cylinder support and a leaf chamber part support.

[0026] The leaf chamber part support comprises a first telescopic sleeve 21 and a T-shaped leaf supporting rod 17, the output end of the first telescopic sleeve 21 is fixedly sleeved with a sleeve 22, the hinge piece 23 fixedly arranged at the top of the sleeve 22 is hingedly connected with the first hinge seat 25 at the bottom end of the U-shaped tube clamp 24 through a pin shaft, the second hinge seat 26 fixedly arranged at the bottom of the sleeve 22 is hingedly connected with the horizontal part of the leaf supporting rod 27 at both ends through a pre-set through hole, and a rubber ring is coaxially arranged on the inner wall of the through hole of the second hinge seat 26 to realize the damping effect on the rotation of the leaf supporting rod 27.

[0027] The air source cylinder support comprises a second telescopic sleeve 31, the output end of the second telescopic sleeve 31 is connected with the horizontal part of a U-shaped plate 32, screw holes 35 are arranged on the inner walls of the two vertical parts of the U-shaped plate 32 and are matched with screw cylinders 33 provided with external threads, and the two shaft rods 34 are rotationally connected with the inner walls of the corresponding screw cylinders 33 at one end away from each other and are fixedly connected with suction discs 36 at the other end.

[0028] The working process of the utility model is as follows:

[0029] The utility model is moved to the target tobacco plant in the field, then the height of the support disc 13 from the ground is adjusted according to the approximate height of the tobacco plant, that is, the support plate 1 is rotated relative to the main supporting rod 11, so that the main supporting rod 11 and the support plate 1 are relatively axially displaced, and then a plurality of supporting legs 12 are inserted into the ground beside the tobacco plant.

[0030] First, the relative positions of the two positioning discs 16 and the support disc 13 are adjusted: the locking screw 17 is separated from the threaded hole 14 of the support disc, then the positioning disc 16 is pulled out relative to the support disc 13 and is rotated, so that the positioning disc 16 drives the corresponding first telescopic sleeve 21 and the second telescopic sleeve 31 to rotate and the height and angle of the output end meet the measurement requirements. Then the positioning disc 16 is moved towards the support disc 13, the first limiting protrusion 15 and the second limiting protrusion are staggered and inserted, and the relative positions of the positioning disc 16 and the support disc 13 are locked through the screwing of the locking screw 17 and the threaded hole 14.

[0031] Then the screw cylinder 33 is rotated relative to the U-shaped plate 32, so that the suction discs 36 on the two screw cylinders 33 are moved towards or away from each other and clamp the air source bottle 4, the air source bottle 4 can rotate relative to the U-shaped plate 32 and can always keep vertical to the ground under the action of gravity. The second telescopic sleeve 31 is elongated, so that the height of the air source bottle 4 meets the measurement requirements.

[0032] Finally, the handle of the leaf chamber part is clamped into the U-shaped tube clamp 24, and the first telescopic sleeve 21 is extended, so that the leaf chamber part is located above the leaf to be measured. Then, the leaf supporting rod 27 is rotated around the second hinge seat 26, so that the leaf supporting rod 27 lifts the leaf to be measured and abuts against the leaf chamber part, and the air source bottle 4 inputs the air in the inside thereof into the leaf chamber part through the air source tube 41, and then the measurement is performed according to the operation of the photosynthetic apparatus.

[0033] The telescopic sleeve can adopt a commercially available structure of two mutually sleeved tubes, and the two tubes can be screw-connected to adjust the overall length.

Claims

1. A photosynthetic instrument support device for photosynthetic detection of field tobacco leaves, comprising a support plate and a plurality of support legs hinged to the bottom surface of the support plate, characterized in that, The support plate is provided with a main support rod at the center, the support disc is fixed on the top end of the main support rod in a radial direction, and the two positioning discs are connected to the support disc in a coaxial rotation manner. The leaf chamber support includes a first telescopic sleeve, and a sleeve is fixedly connected to the output end of the first telescopic sleeve.

2. The photosynthetic apparatus support device for photosynthetic detection of field tobacco leaves according to claim 1, characterized by, The leaf chamber support further includes a T-shaped support leaf rod, and a second hinge seat is fixedly connected to the bottom of the sleeve.

3. The photosynthetic apparatus support device for photosynthetic detection of field tobacco leaves according to claim 2, wherein The inner wall of the through hole of the second hinge seat is coaxially provided with a rubber ring.

4. The photosynthetic apparatus support device for photosynthetic detection of field tobacco leaves according to claim 1, wherein The two disc surfaces of the support disc are provided with a plurality of first limiting protrusions arranged in a circumferential direction at equal intervals and extending in a radial direction.

5. The photosynthetic apparatus support device for photosynthetic detection of field tobacco leaves according to claim 4, characterized by, The support disc is provided with a threaded through hole at the disc center, and a locking screw is screwed into the threaded through hole after penetrating the through hole of the corresponding positioning disc.

6. The photosynthetic apparatus support device for photosynthetic detection of field tobacco leaves according to claim 1, wherein The gas source cylinder support includes a second telescopic sleeve, and the output end of the second telescopic sleeve is connected to the middle segment of the horizontal part of the U-shaped plate. The inner walls of the two vertical parts of the U-shaped plate are provided with screw holes, the screw holes are matched with screw cylinders provided with external threads, one end of each shaft rod is rotationally connected to the inner wall of the corresponding screw cylinder in a back-to-back manner, and the opposite end is fixedly connected to the suction disc.

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