CN218349553U

CN218349553U - Plant stress-strain measuring device

Info

Publication number: CN218349553U
Application number: CN202222886978.5U
Authority: CN
Inventors: 易文龙; 张训胜; 赵小敏; 徐亦璐; 戴仕明; 刘文芃
Original assignee: Jiangxi Agricultural University
Current assignee: Jiangxi Agricultural University
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-01-20
Anticipated expiration: 2032-10-31

Abstract

The utility model provides a plant stress-strain measurement device, belong to the plant and measure technical field, including base and drive assembly and multi-angle adjusting part, be equipped with the spacing groove on the base, drive assembly is including measuring the piece, the impeller, and locate the extensible member above the base, the output of extensible member is towards the spacing groove and is connected with the impeller, the measuring piece is located on the impeller, the extensible member is used for driving the impeller and promotes the plant of shelving in the spacing groove, so that the plant produces deformation, one side of impeller is equipped with spacing opening, spacing opening is used for restricting the plant to produce multidirectional deformation so that the plant carries out one-way deformation along the flexible direction of extensible member, wherein, the sense terminal of measuring the piece is located spacing opening, so that the measuring piece lasts to measure the plant. Through this setting, realize carrying out more comprehensive, and the stress strain measurement of continuity to the plant, solved the problem that measured data did not possess integrality, real-time in the past.

Description

Plant stress-strain measuring device

Technical Field

The utility model belongs to the technical field of the plant is measured, concretely relates to plant stress-strain measurement device.

Background

Higher plant Angiospermae (Angiospermae) plants are generally composed of roots, stems, leaves, etc., where the stem of the plant is an important element in supporting the growth and development of the whole plant. The lodging resistance of plant stems is usually used as one of important indexes for excellent cultivation in the process of cultivating plant varieties. Besides biological means such as molecular breeding, exogenous influencing factors such as soil fertility and external environmental stress also influence the growth and development of plant stems. In order to explore the change of the lodging-resistant index of crops caused by non-variety factors, a large amount of standard stalk stress-strain measurement data are needed.

The existing device for measuring the lodging resistance of the plant stems is pushed in different directions by a probe aiming at a plant to be measured to obtain the bending angle between the plant and the ground surface, and the larger the angle is, and the stronger the lodging resistance is when the plant can recover the natural health state. During the data processing, stress measurement needs to be carried out on the bent plant, and the measured data is collected and analyzed.

However, the conventional measurement method can only measure a few sampling points, such as the values of the starting point and the ending point when the plant is in a bent state, and cannot perform continuous stress measurement on the bent plant, so that the measurement data has no integrity and real-time performance.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims at providing a plant stress-strain measurement device to solve among the above-mentioned background art traditional measurement mode can only be to several appearance points of measurement of pertinence, can't carry out the stress measurement of continuation to the plant of being crooked, lead to measured data not to possess the problem of integrality, real-time nature.

The utility model provides a plant stress-strain measuring device, which comprises a base, wherein the base is provided with a limit groove for placing plants;

the transmission assembly comprises a measuring part, a pushing part and an extensible part arranged on the base, the extensible part is positioned on one side of the limiting groove, the output end of the extensible part faces the limiting groove and is connected with the pushing part, the measuring part is arranged on the pushing part, and the extensible part is used for driving the pushing part to push the plants placed in the limiting groove so as to deform the plants;

one side of the pushing piece is provided with a limiting opening, the limiting opening is used for limiting the plant to generate multidirectional deformation so that the plant can be deformed in a single direction along the stretching direction of the stretching piece, and the detection end of the measuring piece is located in the limiting opening so that the measuring piece can continuously measure the plant.

Furthermore, the transmission assembly further comprises at least two first adjusting rods, one ends of the first adjusting rods are connected with the base, and the other ends of the first adjusting rods are connected with the telescopic piece, so that the relative height between the telescopic piece and the base can be adjusted through the first adjusting rods.

Furthermore, the first adjusting rods are arranged at one end, far away from the pushing piece, of the telescopic piece, and two adjacent first adjusting rods are arranged at intervals.

Further, the stress-strain measuring device also comprises a multi-angle adjusting assembly;

the multi-angle adjusting assembly comprises a shooting device and a support for bearing the shooting device and the base, the support for bearing the shooting device is rotatably connected with the base, and the shooting device is driven to move and enable the shooting device to shoot plants after deformation at multiple angles through relative rotation of the support for bearing the support and the base.

Furthermore, the receiving support comprises a second adjusting rod and a third adjusting rod rotatably connected with one end of the second adjusting rod, the other end of the second adjusting rod is connected with the base, and the other end of the third adjusting rod is connected with the shooting device.

Furthermore, the third adjusting rod comprises an upper rod and a lower rod movably connected with one end of the upper rod, a shooting device is arranged at the other end of the upper rod, and the other end of the lower rod is rotatably connected with the second adjusting rod.

Furthermore, the multi-angle adjusting assembly further comprises a fixing support, and the fixing support is arranged at one end, far away from the lower rod, of the upper rod, so that the shooting device is borne through the fixing support.

Further, plant stress-strain measurement device still includes adjusting part, the base is kept away from the one end of drive assembly still is equipped with a spacing mouth, adjusting part with the base is adjustable to be connected, just locates the open end of spacing mouth for when the plant gets into spacing mouthful and measures, it is right to pass through adjusting part the plant carries out spacing fixed.

Furthermore, the adjusting part includes the adjustment sheet and connects the adjustment sheet with the regulating part of base, through the regulating part adjustment the adjustment sheet with the relative position of base is in order to right the adjustment sheet is adjusted, thereby to getting into spacing mouthful carry out measuring plant and carry out spacingly.

Compared with the prior art, the beneficial effects of the utility model reside in that:

including base and drive assembly in the plant stress-strain measuring device through this application, realize carrying out more comprehensive, and the stress-strain measurement of continuation to the plant, compare in measurement technique in the past, utilize the measuring part among the drive assembly can continuously measure the crooked stress of plant, solved the problem that measured data in the past does not possess integrality, real-time. Particularly, a limiting groove is arranged on the base and used for placing plants; the transmission assembly is including measuring the piece, the impeller, and locate the extensible member on the base, the output of extensible member is towards the spacing groove and is connected with the impeller, measure on the impeller, the extensible member is used for driving the impeller and promotes the plant of laying aside in the spacing groove, so that the plant produces deformation, one side of impeller is equipped with spacing notch, spacing notch is used for limiting the plant to produce multidirectional deformation so that the plant carries out one-way deformation along the flexible direction of extensible member, wherein, the sense terminal of measuring the piece is located spacing notch, so that measure the piece and continuously measure the plant. During specific operation, the telescopic piece in the transmission assembly is started to drive the pushing piece to push the plant, so that the plant is bent under the pushing action of the pushing piece, and in the process of contacting the pushing piece with the plant, the detection end of the measuring piece continuously measures the stress strain value of the plant.

Drawings

Fig. 1 is a perspective view of an overall structure of an embodiment of the present invention;

fig. 2 is a schematic view of an operating state structure according to an embodiment of the present invention.

Description of the drawings: 100. a base; 110. a limiting groove; 200. a transmission assembly; 210. a telescoping member; 220. a pusher member; 221. limiting the opening; 230. a first adjusting lever; 240. a measuring member; 300. a multi-angle adjustment assembly; 310. a photographing device; 320. a receiving bracket; 321. a second adjusting lever; 322. a third adjusting rod; 322a, lower rod; 322b, an upper rod; 330. fixing a bracket; 400. an adjustment assembly; 410. a regulating sheet; 420. an adjustment member; 500. a limiting opening.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 2, a plant stress-strain measuring device according to an embodiment of the present invention is shown, which includes a base 100 and a transmission assembly 200.

Specifically, the base 100 is provided with a limiting groove 110 for placing plants; the transmission assembly 200 comprises a measuring part 240, a pushing part 220, and an expansion part 210 arranged on the base 100, wherein the output end of the expansion part 210 faces the limiting groove 110 and is connected with the pushing part 220, the measuring part 240 is arranged on the pushing part 220, and the expansion part 210 is used for driving the pushing part 220 to push plants placed in the limiting groove 110 so as to deform the plants;

one side of the pushing member 220 is provided with a limiting opening 221, the limiting opening 221 is used for limiting the plant to generate multi-directional deformation so that the plant can perform unidirectional deformation along the stretching direction of the stretching member 210, wherein the detection end of the measuring member 240 is located in the limiting opening 221, so that the measuring member 240 can continuously measure the plant.

In the actual operation process, the nutrition pot with the plant sample is placed in the limiting groove 110, the extension piece 210 in the transmission assembly 200 is started to drive the pushing piece 220 to push the plant, so that the plant is bent under the pushing action of the pushing piece 220, in the embodiment, the limiting opening 221 is arranged on one edge of the pushing piece 220, specifically, the C-shaped structure is adopted, the plant is placed in the limiting opening 221 by utilizing the shape characteristics of the C-shaped structure, the plant is limited in the pushing piece 220, the situation that the plant is separated from the pushing piece 220 in the bending process is avoided, and in the process that the pushing piece 220 is in contact with the plant, the detection end of the measuring piece 240 continuously measures the stress strain value of the plant. Compared with the prior measuring technology, the device can continuously measure the stress of plant bending through the measuring piece 240, and the technical problem that the measured data does not have integrity and real-time performance is solved.

The measuring part 240 in this embodiment may be a pressure sensor in the prior art, and the measuring part 240 may be electrically connected to an external device through a USB data cable, a wireless bluetooth, or other connection means, and the external device may be a smart computer, so as to collect and analyze the measured data.

In addition, in order to better bend the plant, the transmission assembly 200 further includes at least two first adjusting rods 230, one end of each first adjusting rod 230 is connected to the base 100, and the other end of each first adjusting rod 230 is connected to the telescopic member 210, so that the relative heights of the telescopic member 210 and the base 100 can be adjusted by the first adjusting rods 230, and the first adjusting rods 230 are disposed at the ends of the telescopic members 210 far away from the pushing member 220, and two adjacent first adjusting rods 230 are disposed at intervals. In this embodiment, two first adjusting rods 230 are provided, one first adjusting rod 230 is located in the middle of the telescopic member 210, and the other first adjusting rod is located at an end of the telescopic member 210 away from the pushing member 220, so that the first adjusting rod 230 provides a lifting function to the telescopic member 210 to adjust the height of the telescopic member 210, and in actual operation, the pushing member 220 can be aligned to the middle or above of a plant.

Further, the stress-strain measuring device further comprises a multi-angle adjusting assembly 300, which comprises a shooting device 310 and a bearing bracket 320 for connecting the shooting device 310 and the base 100, wherein the bearing bracket 320 is rotatably connected with the base 100, and the shooting device 310 is driven to move by the relative rotation of the bearing bracket 320 and the base 100, so that the shooting device 310 can shoot the deformed plants in multiple angles.

Specifically, the receiving bracket 320 includes a second adjustment lever 321 and a third adjustment lever 322 rotatably connected to one end of the second adjustment lever 321, the other end of the second adjustment lever 321 is connected to the base 100, and the other end of the third adjustment lever 322 is connected to the photographing device 310. It should be noted that the rotation direction of the second adjustment rod 321 rotates relative to the horizontal direction of the base 100, and the rotation direction of the third adjustment rod 322 rotates towards the direction of the plant, that is, when the bent plant needs to be shot at multiple angles, the shooting device 310 is moved to any position by artificially rotating the second adjustment rod 321 and the third adjustment rod 322, so as to shoot the plant at multiple angles, specifically, the mutual rotation between the second adjustment rod 321 and the third adjustment rod 322 in this embodiment can be connected by using a damping shaft in the prior art. When the third adjusting lever 322 is not rotated, the third adjusting lever 322 is in a relatively stable state to ensure the stability of the photographing device 310 during photographing, and similarly, the connection between the second adjusting lever 321 and the base 100 may also be a damping shaft connection.

In addition, the third adjusting lever 322 includes an upper lever 322b and a lower lever 322a movably connected to one end of the upper lever 322b, the other end of the upper lever 322b is provided with the photographing device 310, the other end of the lower lever 322a is rotatably connected to the second adjusting lever 321, specifically, the upper lever 322b is slidably connected to the lower lever 322a, one end of the upper lever 322b penetrates through the lower lever 322a and is slidably connected to the inside of the lower lever 322a, the other end of the upper lever 322b is connected to the photographing device 310, and the lower lever 322a is provided with a fastening member, which can be a bolt screwed on the lower lever 322a, when the height of the photographing device 310 needs to be adjusted, the height of the photographing device 310 is adjusted by sliding between the upper lever 322b and the lower lever 322a and fixing the fastening member.

It should be noted that the specific structure of the first adjustment lever 230 may be identical to the structure of the third adjustment lever 322.

In order to install the photographing device 310 on the upper rod 322b, the multi-angle adjusting assembly 300 further comprises a fixing bracket 330, the fixing bracket 330 is arranged at one end of the upper rod 322b far away from the lower rod 322a, so as to bear the photographing device 310 through the fixing bracket 330, particularly, a groove body used for clamping the photographing device 310 is arranged on the fixing bracket 330, and in the actual operation process, a flexible sponge cushion can be arranged on the inner wall of the fixing bracket 330 in order to avoid damage to the outside of the photographing device 310. In addition, the fixing bracket 330 and the upper rod 322b may be connected by welding or screwing, and when screwing is used, an external thread is provided at the top end of the upper rod 322b, and an internal thread hole is provided at the bottom of the fixing bracket 330 opposite to the top end, and does not penetrate through the bottom of the fixing bracket 330.

For being convenient for measure open-air sample plant, plant stress-strain measurement device still includes adjusting part 400, the one end that drive assembly was kept away from to base 100 still is equipped with a spacing mouthful 500, adjusting part 400 and base 100 adjustable connection, and locate spacing mouthful 500 open end, make when the plant gets into spacing mouthful 500 and measures, carry out spacing fixed to the plant through adjusting part 400, that is to say, can be used for this device on open-air plant, stretch into spacing mouthful 500 back with open-air plant, utilize adjusting part 400 to carry out spacingly to the plant, follow through drive assembly 200, multi-angle adjusting part 300 and shooting device 310 measure the plant, and then increase the practicality of this device.

Specifically, the adjusting assembly 400 comprises an adjusting piece 410 and an adjusting piece 420 connecting the adjusting piece 410 and the base 100, and the adjusting piece 420 adjusts the relative position of the adjusting piece 410 and the base 100 to adjust the adjusting piece 410, so as to limit the plant entering the limiting opening 500 for measurement. In the actual process, the two adjusting sheets 410 are respectively located at two opposite edges of the opening end of the limiting opening 500, wherein a plurality of adjusting holes are formed in the adjusting sheets 410, the base 100 is provided with an adjusting piece 420 matched with the adjusting holes, the adjusting piece 420 is used for penetrating any adjusting hole to adjust the distance between the at least two adjusting sheets 410, it should be noted that the adjusting piece 420 can also adopt bolts, and the base 100 is provided with mounting hole positions matched with the adjusting pieces.

In addition, it should be noted that the telescopic member 210 used in this embodiment may be an electric cylinder or other telescopic apparatus, wherein the telescopic member 210, the measuring member 240 and the shooting device 310 may all be connected to an external device, such as a computer, and the connection mode may adopt a data line or a connection mode such as wireless bluetooth, so as to test the bent plant.

To sum up, the utility model relates to a plant stress-strain measurement device that embodiment provided compares with the shooting mode among the prior art, has following beneficial effect at least:

1. the plant stress-strain measuring device comprises a base 100 and a transmission assembly 200. Compared with the prior art, the device can measure the stress of plant bending through the measuring part 240 in the transmission assembly 200, so that the stress and strain of the plant can be measured more comprehensively and continuously, and the problem that the prior measured data does not have integrity is solved. Specifically, a limiting groove 110 is formed on the base 100 for placing plants; the transmission assembly 200 comprises a measuring part 240, a pushing part 220 and an extensible part 210 arranged on the base 100, wherein the output end of the extensible part 210 faces the limiting groove 110 and is connected with the pushing part 220, the measuring part 240 is arranged on the pushing part 220, the extensible part 210 is used for driving the pushing part 220 to push plants placed in the limiting groove 110 so as to deform the plants, one side of the pushing part 220 is provided with a limiting opening 221, the limiting opening 221 is used for limiting the plants to deform in multiple directions so as to enable the plants to deform in one direction along the extension direction of the extensible part 210, and the detection end of the measuring part 240 is located in the limiting opening 221 so that the measuring part 240 can measure the plants continuously. In a specific operation, the telescopic member 210 in the transmission assembly 200 is started to drive the pushing member 220 to push the plant, so that the plant is bent under the pushing action of the pushing member 220, and the detection end of the measuring member 240 continuously measures the stress-strain value of the plant when the pushing member 220 contacts with the plant.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above embodiments only represent several embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A plant stress-strain measuring device is characterized by comprising,

the base is provided with a limiting groove for placing plants;

one side of the pushing piece is provided with a limiting opening, the limiting opening is used for limiting the plant to generate multidirectional deformation so that the plant can be subjected to unidirectional deformation along the stretching direction of the stretching piece, and the detection end of the measuring piece is located in the limiting opening so that the measuring piece can continuously measure the plant.

2. The plant stress-strain measuring apparatus according to claim 1, wherein the transmission assembly further comprises at least two first adjusting rods, one end of each first adjusting rod is connected to the base, and the other end of each first adjusting rod is connected to the telescopic member, so that the relative height between the telescopic member and the base can be adjusted through the first adjusting rods.

3. The plant stress-strain measuring apparatus according to claim 2, wherein the first adjusting rods are disposed at an end of the telescopic member away from the pushing member, and two adjacent first adjusting rods are disposed at an interval.

4. The plant stress-strain gauge of claim 1, further comprising a multi-angle adjustment assembly;

5. The plant stress-strain measuring device of claim 4, wherein the receiving bracket comprises a second adjusting rod and a third adjusting rod rotatably connected with one end of the second adjusting rod, the other end of the second adjusting rod is connected with the base, and the other end of the third adjusting rod is connected with the shooting device.

6. The plant stress-strain measuring device of claim 5, wherein the third adjusting rod comprises an upper rod and a lower rod movably connected with one end of the upper rod, the other end of the upper rod is provided with a shooting device, and the other end of the lower rod is rotatably connected with the second adjusting rod.

7. The plant stress-strain measuring apparatus according to claim 6, wherein the multi-angle adjusting assembly further comprises a fixing bracket, the fixing bracket is disposed at an end of the upper rod away from the lower rod, so as to carry the photographing apparatus through the fixing bracket.

8. The plant stress-strain measuring device of claim 1, further comprising an adjusting component, wherein a limit opening is further disposed at an end of the base away from the transmission component, and the adjusting component is adjustably connected to the base and disposed at an opening end of the limit opening, so that when a plant enters the limit opening for measurement, the plant is limited and fixed by the adjusting component.

9. The plant stress-strain measuring apparatus according to claim 8, wherein the adjusting assembly comprises an adjusting piece and an adjusting piece connecting the adjusting piece and the base, and the adjusting piece is used for adjusting the relative position of the adjusting piece and the base so as to limit the plant entering the limiting opening for measurement.