Device for low-temperature cold damage simulation test of sunflower living body

Abstract

The utility model belongs to the field of low-temperature cold damage simulation tests of sunflower living bodies, particularly relates to a device for the low-temperature cold damage simulation tests of the sunflower living bodies, and aims to solve the problem of low applicability caused by inconvenience in testing the sunflower living bodies at different growth stages in the use process of the conventional low-temperature cold damage simulation test device. According to the technical scheme, the device comprises a box body, two symmetrical first supporting plates are fixedly installed at the bottom of the box body, second supporting plates are slidably installed on the outer sides of the two first supporting plates, the same transverse plate is fixedly installed on the outer sides of the two second supporting plates, and a refrigerator is fixedly installed at the bottom of the box body; a storage battery and an electric push rod are fixedly installed at the top of the transverse plate, and an output shaft of the electric push rod is fixedly connected with the bottom of the box body. In the using process, the sunflower living body testing device can conveniently test sunflower living bodies in different growth stages, and therefore applicability can be effectively improved, and the sunflower living body testing device is simple in structure and convenient to use.

Description

Technical Field

[0001] The utility model relates to the technical field of low temperature chilling injury simulation test for living sunflowers, in particular to a device for low temperature chilling injury simulation test for living sunflowers. Background Art

[0002] Sunflowers are mainly distributed in the three northeastern provinces of China and the Inner Mongolia Autonomous Region. Due to their location in arid and semi-arid climate zones, they are dry and windy, with little precipitation and strong evaporation. Agricultural meteorological disasters such as frost, low temperature damage, dry hot winds and tidal collapse are serious hazards. Frost is a frequent agricultural meteorological disaster that has a great impact on local agricultural production. Currently, most artificial frost boxes are used to simulate the cooling process of natural frost, analyze the frost mechanism of sunflowers, reasonably determine frost indicators, select high-quality and cold-resistant varieties and predict frost.

[0003] In the prior art, the low temperature chilling damage simulation test device is not convenient for testing living sunflowers at different growth stages during use, resulting in low applicability. For this reason, we propose a device for low temperature chilling damage simulation test of living sunflowers to solve the above problem. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that the low temperature cold damage simulation test device in the prior art is not convenient for testing living sunflowers at different growth stages during use, resulting in low applicability, and a device for low temperature cold damage simulation test of living sunflowers is proposed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] The device for simulating low-temperature chilling damage test of living sunflowers comprises a box body, wherein two symmetrical first support plates are fixedly installed on the bottom of the box body, second support plates are slidably installed on the outer sides of the two first support plates, and the same horizontal plate is fixedly installed on the outer sides of the two second support plates, a refrigerator is fixedly installed on the bottom of the box body, a battery and an electric push rod are fixedly installed on the top of the horizontal plate, the output shaft of the electric push rod is fixedly connected to the bottom of the box body, and the battery is connected to the refrigerator, a mounting opening is opened on one side of the box body, sliding openings are opened on the inner walls on both sides of the mounting opening, box doors are slidably installed in the two sliding openings, semicircular grooves are opened on the two box doors, sponge blocks are fixedly connected in the two semicircular grooves, and opening and closing mechanisms are arranged on the two box doors.

[0007] Preferably, a motor is fixedly mounted on one side of the box body, first threaded holes are opened on the two sliders, the same first bidirectional screw rod is threadedly mounted in the two first threaded holes, and one end of the first bidirectional screw rod is fixedly connected to the output shaft of the motor.

[0008] Preferably, two sliding rods are slidably installed in the box body, and rectangular rods are slidably installed on the two sliding rods. The two ends of the rectangular rods are respectively connected to the temperature sensor and the fixed block. The outer sides of the two rectangular rods are respectively sleeved with springs, and the two ends of the springs are respectively fixedly connected to the fixed block and the outer sides of the sliding rods.

[0009] Preferably, second bevel gears are fixedly mounted on the outer side of the rotating shaft and the other end of the second bidirectional screw rod, and the two second bevel gears are meshed with each other.

[0010] Preferably, a second empty slot is provided in the box body, two second threaded holes are provided on the two sliding rods, two second bidirectional screw rods are threadedly installed in the four second threaded holes, one end of the two second bidirectional screw rods are fixedly connected to a sprocket, and the same chain is meshed on the two sprockets.

[0011] Preferably, a rotating shaft is rotatably installed in the first empty slot, and first bevel gears are fixedly installed on the other end of the first bidirectional screw and one end of the rotating shaft, and the two first bevel gears are meshed with each other.

[0012] Preferably, the opening and closing mechanism includes two sliders, a sliding groove is provided on the bottom inner wall of the installation opening, the two sliders are slidably installed in the sliding groove, a first empty groove is provided in the box body, a first through hole is provided on one side of the box body, the first through hole is communicated with the first empty groove and the sliding groove, and the two sliders are fixedly connected to the bottom of the two box doors respectively.

[0013] In the utility model, the beneficial effects of the device for simulating low temperature damage to living sunflowers are as follows:

[0014] 1. In this solution, when the motor is turned on, the motor drives the first bidirectional screw to rotate, the first bidirectional screw drives the two sliders to move horizontally, the two sliders respectively drive the two box doors to move horizontally, and through the setting of the two sponge blocks, the living stem diameters of sunflowers at different growth stages can be clamped, thereby improving the applicability of the device.

[0015] 2. In this scheme, when the first bidirectional screw rotates, the two first bevel gears are meshed and transmitted, the rotating shaft drives the second bevel gear to rotate, the two second bevel gears are meshed and transmitted, the second bidirectional screw drives the sprocket to rotate, the two sprockets are driven by chains, the two second bidirectional screws respectively drive the two sliding rods closer to each other, the two rectangular rods respectively drive the two temperature sensors closer to each other, and the temperature sensors can be used to monitor the temperature of the living sunflower stem diameter to ensure the accuracy of the test data.

[0016] The utility model can be used to test living sunflowers at different growth stages, thereby effectively improving applicability, and has a simple structure and is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1This is a schematic diagram of the main structure of the device for simulating low temperature damage to living sunflowers proposed by the utility model;

[0018] Figure 2 This is a schematic structural diagram of a cross-section of a device for simulating low temperature damage to living sunflowers proposed by the utility model;

[0019] Figure 3 This is a schematic structural diagram of a side view of a device for simulating low temperature damage to living sunflowers proposed by the utility model;

[0020] Figure 4 The utility model provides a device for simulating low temperature damage to sunflower in vivo Figure 3 Schematic diagram of the structure with part A enlarged.

[0021] In the figure: 1, box body; 2, first support plate; 3, second support plate; 4, electric push rod; 5, battery; 6, refrigerator; 7, slide groove; 8, slider; 9, motor; 10, first bidirectional screw rod; 11, first empty slot; 12, box door; 13, sponge block; 14, first bevel gear; 15, rotating shaft; 16, second bevel gear; 17, second bidirectional screw rod; 18, slide rod; 19, rectangular rod; 20, temperature sensor; 21, fixed block; 22, spring; 23, sprocket; 24, chain. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] Embodiment 1

[0024] Reference Figure 1-Figure 4The device for simulating low temperature chilling damage to living sunflowers comprises a box body 1, two symmetrical first support plates 2 are fixedly installed at the bottom of the box body 1, second support plates 3 are slidably installed on the outer sides of the two first support plates 2, and the same horizontal plate is fixedly installed on the outer sides of the two second support plates 3, a refrigerator 6 is fixedly installed at the bottom of the box body 1, a battery 5 and an electric push rod 4 are fixedly installed on the top of the horizontal plate, the output shaft of the electric push rod 4 is fixedly connected to the bottom of the box body 1, the battery 5 is connected to the refrigerator 6, and one side of the box body 1 is provided with The installation opening has sliding openings on the inner walls on both sides of the installation opening, and box doors 12 are slidably installed in the two sliding openings. Semicircular grooves are provided on the two box doors 12, and sponge blocks 13 are fixedly connected in the two semicircular grooves. An opening and closing mechanism is provided on the two box doors 12. A motor 9 is fixedly installed on one side of the box body 1, and first threaded holes are provided on the two sliders 8. The same first bidirectional screw rod 10 is threadedly installed in the two first threaded holes, and one end of the first bidirectional screw rod 10 is fixedly connected to the output shaft of the motor 9. Two slide bars 18 are provided, and rectangular bars 19 are slidably installed on the two slide bars 18. The two ends of the rectangular bars 19 are respectively connected to the temperature sensor 20 and the fixed block 21. The outer sides of the two rectangular bars 19 are sleeved with springs 22. The two ends of the springs 22 are respectively fixedly connected to the fixed block 21 and the outer sides of the slide bars 18. A second empty slot is provided in the box body 1. Two second threaded holes are provided on the two slide bars 18. Two second bidirectional screw rods 17 are respectively threadedly installed in the four second threaded holes. One of the two second bidirectional screw rods 17 is Both ends are fixedly connected with sprockets 23, and the same chain 24 is meshed on the two sprockets 23. When the second bidirectional screw rod 17 rotates, the two sprockets 23 can be driven by the chain 24. The opening and closing mechanism includes two sliders 8. A slide groove 7 is provided on the bottom inner wall of the mounting opening. The two sliders 8 are slidably installed in the slide groove 7. A first empty groove 11 is provided in the box body 1, and a first through hole is provided on one side of the box body 1. The first through hole is communicated with the first empty groove 11 and the slide groove 7. The two sliders 8 are fixedly connected to the bottoms of the two box doors 12 respectively.

[0025] Reference Figure 4 The outer side of the rotating shaft 15 and the other end of the second bidirectional screw rod 17 are fixedly mounted with a second bevel gear 16, and the two second bevel gears 16 are meshed with each other. The rotating shaft 15 is rotatably mounted in the first empty slot 11, and the other end of the first bidirectional screw rod 10 and one end of the rotating shaft 15 are fixedly mounted with a first bevel gear 14, and the two first bevel gears 14 are meshed with each other. When the first bidirectional screw rod 10 rotates, the two first bevel gears 14 are meshed for transmission.

[0026] In the present embodiment, when in use, by turning on the electric push rod 4, the electric push rod 4 drives the box body 1 to move vertically and adjust its height, which is convenient for sunflowers at different growth stages. Then the sunflower is placed in the box body 1 so that the sunflower stem diameter is located between the two sponge blocks 13, and the motor 9 is turned on. The motor 9 drives the first bidirectional screw rod 10 to rotate, and the first bidirectional screw rod 10 drives the two sliders 8 to move horizontally. The two sliders 8 respectively drive the two box doors 12 to move horizontally, and the two box doors 12 respectively drive the two sponge blocks 13 to move horizontally, so that the two sponge blocks 13 can clamp the sunflower stem diameter. At the same time, the first bidirectional screw rod 10 drives the first bevel gear 14 to rotate, and the two first bevel gears 14 are meshed for transmission. The other first bevel gear 14 drives the rotating shaft 15 to rotate, and the rotating shaft 15 drives the second bevel gear 16 to rotate. Meshing transmission, another second bevel gear 16 drives the second bidirectional screw 17 to rotate, the second bidirectional screw 17 drives the sprocket 23 to rotate, the two sprockets 23 rotate through the chain 24, and the other sprocket 23 drives another second bidirectional screw 17 to rotate, the two second bidirectional screws 17 respectively drive the two slide bars 18 to approach each other, and the two slide bars 18 respectively drive the two rectangular bars 19 and the two temperature sensors 20 to approach each other, so that the two temperature sensors 20 can be brought into contact with the sunflower stem diameter, and the refrigerator 6 is powered by the battery 5. The temperature change process can be set by the experimenter himself to simulate the natural low temperature change curve, and the cooling step is 0.5℃ / h. The growth condition of the sunflower is observed, and the sunflower stem diameter temperature data monitored by the temperature sensor 20 can be analyzed, so as to achieve the purpose of simulating the low temperature damage of the living sunflower.

[0027] Embodiment 2

[0028] The difference between this embodiment and the first embodiment is that an observation window is provided on the outer side of the box 1, which is convenient for the staff to observe in real time. At the same time, a timer and an alarm are installed on the top of the box 1. The timer is connected to the alarm. The timer can set an observation time period. When the test time reaches the set time period, the timer sends a command to the alarm to remind the staff to observe and record in time to avoid affecting the test results.

[0029] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A device for simulating low temperature damage to living sunflowers, comprising a box (1), characterized in that: Two symmetrical first support plates (2) are fixedly installed at the bottom of the box body (1), second support plates (3) are slidably installed on the outer sides of the two first support plates (2), and the same horizontal plate is fixedly installed on the outer sides of the two second support plates (3). A refrigerator (6) is fixedly installed at the bottom of the box body (1), and a battery (5) and an electric push rod (4) are fixedly installed on the top of the horizontal plate. The output shaft of the electric push rod (4) is fixedly connected to the bottom of the box body (1), and the battery (5) is connected to the refrigerator (6). A mounting opening is opened on one side of the box body (1), and sliding openings are opened on the inner walls on both sides of the mounting opening. Box doors (12) are slidably installed in the two sliding openings. Semicircular grooves are opened on the two box doors (12), and sponge blocks (13) are fixedly connected in the two semicircular grooves. Opening and closing mechanisms are arranged on the two box doors (12).

2. The device for simulating low temperature damage to sunflower in vivo according to claim 1, characterized in that: The opening and closing mechanism comprises two sliders (8), a slide groove (7) is provided on the inner wall of the bottom of the installation opening, the two sliders (8) are slidably installed in the slide groove (7), a first empty groove (11) is provided in the box body (1), a first through hole is provided on one side of the box body (1), the first through hole is communicated with the first empty groove (11) and the slide groove (7), and the two sliders (8) are respectively fixedly connected to the bottoms of the two box doors (12).

3. The device for simulating low temperature damage to sunflower in vivo according to claim 2, characterized in that: A motor (9) is fixedly mounted on one side of the box body (1), and first threaded holes are provided on the two sliders (8). The same first bidirectional screw rod (10) is threadedly mounted in the two first threaded holes, and one end of the first bidirectional screw rod (10) is fixedly connected to the output shaft of the motor (9).

4. The device for simulating low temperature damage to sunflower in vivo according to claim 3, characterized in that: A rotating shaft (15) is rotatably mounted in the first slot (11), and first bevel gears (14) are fixedly mounted on the other end of the first bidirectional screw rod (10) and one end of the rotating shaft (15), and the two first bevel gears (14) are meshed with each other.

5. The device for simulating low temperature damage to sunflower in vivo according to claim 4, characterized in that: Two slide bars (18) are slidably mounted in the box body (1), and rectangular bars (19) are slidably mounted on the two slide bars (18). The two ends of the rectangular bars (19) are respectively connected to a temperature sensor (20) and a fixed block (21). The outer sides of the two rectangular bars (19) are respectively sleeved with springs (22), and the two ends of the springs (22) are respectively fixedly connected to the fixed block (21) and the outer sides of the slide bars (18).

6. The device for simulating low temperature damage to sunflower in vivo according to claim 5, characterized in that: A second empty slot is provided in the box body (1), two second threaded holes are provided on the two slide rods (18), two second bidirectional screw rods (17) are respectively threadedly installed in the four second threaded holes, one end of the two second bidirectional screw rods (17) are fixedly connected to a sprocket (23), and the two sprocket wheels (23) are meshed with the same chain (24).

7. The device for simulating low temperature damage to sunflower in vivo according to claim 6, characterized in that: A second bevel gear (16) is fixedly mounted on the outer side of the rotating shaft (15) and the other end of the second bidirectional screw rod (17), and the two second bevel gears (16) are meshed with each other.

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