Adjustable vibration cotton plant collision experiment platform based on crank sliding block

Abstract

The utility model discloses an adjustable vibration cotton plant collision experiment platform based on a crank sliding block, which comprises a crank sliding block vibration device, a cotton plant moving device and a cotton plant fixing device, and is characterized in that the crank sliding block vibration device comprises a motor capable of moving in parallel, a crank driven by the motor, a rocker, a collision rod and a sliding block fixing device; the base is mounted above the base; the cotton plant moving device comprises a moving pair and a cotton plant fixing device, wherein the moving pair is formed by combining a guide rail and a moving fixing plate, the cotton plant fixing device can adjust the distance between cotton plants along with moving of the moving fixing plate, and a motor drives a bevel gear to be in transmission with a helical rack fixed to the moving fixing plate. The device can simulate the relative movement between cotton plants and a cotton picker provided with a collision device to generate collision, adjusts the intervals of the cotton plants, the positions of collision points and the collision amplitude, can simulate the collision of the cotton plants in the moving process, obtains the vibration state of the cotton plants after collision, and is simple in structure and convenient to operate.

Description

TECHNICAL FIELD

[0001] The utility model relates to experimental testing technical field more particularly, relate to a kind of adjustable vibration cotton plant collision experimental platform based on slider-crank mechanism BACKGROUND

[0002] At present, Xinjiang short lint cotton has been picked up on a large scale, but the picking machine for long lint cotton has not been developed, because the horizontal spindle type cotton picker suitable for short lint cotton will cause the cotton fiber of long lint cotton to be broken when picking, affecting the quality of long lint cotton. The harvesting method of long lint cotton is still manual picking. If the pneumatic picking method is used, the damage to long lint cotton fiber can be effectively reduced. By studying pneumatic picking, an effective way for mechanical picking of long lint cotton can be provided.

[0003] On the basis of pneumatic picking, the cotton plant is collided to reduce the connection force between the seed cotton and the cotton shell, so that the seed cotton is loose and more easily detached from the cotton shell. With the assistance of vibration, the fan power can be effectively reduced and the pneumatic picking efficiency can be improved. By analyzing the shape of the cotton plant after being collided, a theoretical reference for the mechanized picking of long lint cotton can be provided. UTILITY MODEL CONTENT

[0004] The utility model provides a kind of adjustable vibration cotton plant collision experimental platform based on slider-crank mechanism, mainly to explore the vibration state of cotton plant when being collided in the picking process, and the influence on flow field when picking cotton by air.

[0005] To achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A kind of adjustable vibration cotton plant collision experimental platform based on slider-crank mechanism, comprising: base, rectangular opening is arranged in the middle of panel, both sides are provided with through hole 1 and through hole 2. Fixed motor device bottom has through hole 4, upper portion has slot 1. Motor is installed on the slot 1 of fixed motor device, is connected with crank slider by key and provides power. Crank slider vibration device is driven by adjustable center distance crank by rocker, adjustable center distance crank drives collision rod to do reciprocating linear motion under the restriction of slider fixing device. The guide rail of cotton plant moving device is provided with through hole 6 at both ends, and slot 2 and through hole 7 are arranged on moving fixed plate. Cotton plant fixing device, bottom is provided with through hole 8. Through hole 11 on helical rack is fixed with through hole 7 on moving fixed plate. Helical gear is driven to transmit under the drive of motor and key.

[0007] The bottom of the motor fixing device is provided with through hole 4 and connected with the base through bolt and nut, and the upper part is provided with two slots 1 respectively, so that the motor can move in horizontal direction.

[0008] The number of the motors is three, two motors are respectively arranged on the motor fixing devices on the two sides of the base, bolt and nut connection is carried out through the through hole 5a and the slot 1 of the motor fixing device, the motor position can be changed in the slot 1, the crank slider is driven to move through the key connection.

[0009] The crank slider vibration device is composed of a rocker, an adjustable center distance crank, a collision rod and a slider fixing device, the rocker and the adjustable center distance crank are connected through a rotary pair, the adjustable center distance crank and the collision rod are connected through a rotary pair, and the collision rod moves linearly back and forth under the limitation of the slider fixing device.

[0010] The cotton plant moving device is composed of a guide rail and a moving fixing plate, the through hole 6 on the guide rail and the through hole 1 are fixed through bolt and nut, the moving fixing plate moves linearly horizontally on the guide rail, and the through hole 8 of the slot 2 on the moving fixing plate is fixedly connected with the through hole 8 of the fixed block through bolt and nut.

[0011] The number of the cotton plant fixing devices is two, each is composed of a fixed block and a fastening bolt, the fixed block can change the distance between the two cotton plants according to the position of the slot 2, the fixed block is provided with the through hole 9 and the through hole 10, the through hole 9 is used for placing a cotton pole, and the through hole 10 is used for adjusting the fastening bolt to fix the cotton plant.

[0012] The number of the oblique toothed gears is one, and the oblique toothed gears are connected through keys and driven to transmit power by the motor.

[0013] The number of the oblique toothed gears is one, and the oblique toothed gears are connected through keys and driven to transmit power by the motor.

[0014] Through the above technical scheme, the experimental platform can clamp and move the cotton plants and collide with the collision rod in the moving process, simulate the relative collision between the cotton plants and the cotton picker provided with the collision device in the air suction vibration cotton picking process, adjust the distance between the cotton plants, the collision point position and the vibration amplitude, effectively simulate the collision process in the moving process of the cotton plants, and help obtain the vibration state of the cotton plants after being collided. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly describe the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the following embodiment or prior art description are briefly introduced, and obviously, the drawings in the following description are only the embodiments of the utility model, and other drawings can be obtained by the provided drawings without creative labor for the ordinary skilled in the art.

[0016] Figure 1 isometric view of the novel experimental platform of the present experiment.

[0017] Figure 2 isometric view of the novel experimental platform of the present experiment.

[0018] Figure 3 right view of the novel experimental platform of the present experiment.

[0019] Figure 4 schematic diagram of the motor fixing device of the novel experimental platform of the present experiment.

[0020] Figure 5 schematic diagram of the motor of the novel experimental platform of the present experiment.

[0021] Figure 6 schematic diagram of the motor of the novel experimental platform of the present experiment.

[0022] Figure 7 schematic diagram of the crank slider of the novel experimental platform of the present experiment.

[0023] Figure 8 schematic diagram of the adjustable center distance crank of the novel experimental platform of the present experiment.

[0024] Figure 9 schematic diagram of the cotton plant moving device of the novel experimental platform of the present experiment.

[0025] Figure 10 schematic diagram of the cotton plant fixing device of the novel experimental platform of the present experiment.

[0026] Figure 11 schematic diagram of the fastening bolt of the novel experimental platform of the present experiment.

[0027] Figure 12 schematic diagram of the inclined rack and the inclined gear of the novel experimental platform of the present experiment.

[0028] Reference signs

[0029] 1 base, 2 motor fixing device, 3 motor, 4 crank slider vibration device, 5 cotton plant moving device, 6 cotton plant fixing device, 7 inclined rack, 8 inclined gear Specific implementation

[0030] The technical solutions in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0031] Reference Figures 1-12The utility model provides a kind of adjustable vibration cotton plant collision experiment platform, including base (1), motor fixing device (2), motor (3), crank slider vibration device (4), cotton plant moving device (5), cotton plant fixing device (6), helical rack (7), helical gear (8).

[0032] Rectangular opening (11) is equipped in base (1) panel, both sides are equipped with through hole 1 (12) and the number is two, through hole 2 (13) is eight, and the lower part of base is equipped with through hole 3 (14) and the number is four;

[0033] Motor fixing device (2) bottom is equipped with through hole 4 (21) and the through hole 2 (13) of base (1) provides bolt fastening connection;Upper part is equipped with notch 1 (22).

[0034] Two motors (3) are equipped with through hole 5a (31) in bottom, and through bolt connection with the notch 1 (22) on motor fixing device (2), can slide on motor fixing device (2);One motor (3) is equipped with through hole 5b (32) and through hole 3 (14) of base is fastened by bolt.

[0035] Crank slider vibration device (4) is composed of key, rocker (41), adjustable center distance crank (42), collision rod (43), slider fixing device (44), key connects rocker (41), rocker (41) drives adjustable center distance crank (42) by rotating pair, adjustable center distance crank (42) drives collision rod (43) by rotating pair, and collision rod (43) does linear reciprocating motion under the constraint of slider fixing device (44).

[0036] Cotton plant moving device (5) includes guide rail (51), moving fixed plate (52), and a moving pair is formed between guide rail (51) and moving fixed plate (52), and notch 2 (54) is connected with the through hole 8 (63) of fixed block on moving fixed plate (52);Moving fixed plate (52) has a through hole 7 (55) and is connected with the through hole 11 (71) on helical rack (7) by bolt.

[0037] Cotton plant fixing device (6) includes fixed block (61) and fastening bolt (62), and the through hole 8 (63) is equipped below fixed block (61), the through hole 9 (64) is used to place cotton rod, and the through hole 10 (65) is connected with fastening bolt (62) by thread.

[0038] Helical rack (7) is one, and is fastened by bolt with moving fixed plate 7 (55) through through hole 11 (71).

[0039] Helical gear (8) is one, and is connected with motor by key, to drive.

[0040] To further optimize the above scheme, the contact surface of the moving pair formed between the guide rail (51) and the moving fixed plate (52) can be lubricated with lubricating oil to maintain the sliding between the guide rail (51) and the moving fixed plate (52).

Claims

1. A crank slider-based adjustable vibration cotton plant collision experiment platform, characterized by a base (1), fixed motor devices (2), motor (3) crank slider vibration devices (4), cotton plant moving devices (5), cotton plant fixing devices (6), bevel gears (7), bevel gears (8). The base (1) has a rectangular opening (11) in the middle of the panel, two through holes 1 (12) are provided on both sides of the rectangular opening (11), eight through holes 2 (13) are provided on both sides of the base (1), four through holes 3 (14) are provided at the lower part of the base. The fixed motor device (2) is provided on the base (1), and four through holes 4 (21) are provided on both sides of the bottom surface and connected by bolts and nuts; two notches 1 (22) are provided on the upper part. The motor (3) is provided in three numbers, two of which have four through holes 5a (31) at the bottom and are placed on the upper part of the fixed motor device (2) and connected by notches 1 (22) and bolts and nuts; one motor (3) is provided with four through holes 5b (32) and connected with the through holes 3 (14) at the lower end of the base (1) by bolts and nuts. The crank slider vibration device (4) is provided in two numbers and placed on both sides of the base (1), the rocker (41) is connected with the motor (3) by a key, the adjustable center distance crank (42) is connected with the rocker (41) by a rotary pair, the adjustable center distance crank (42) is connected with the collision rod (43) by a rotary pair, and the collision rod (43) is limited to do reciprocating linear motion by the slider fixing device (44). The cotton plant moving device (5) is composed of a guide rail (51) and a moving fixed plate (52), which moves through a moving pair, and the guide rail (51) is provided with two through holes 6 (53) connected with the base (1) by bolts and nuts through the through holes 1 (12), and the moving fixed plate (52) is provided with two notches 2 (54) on the upper part and two through holes 7 (55) on the lower part. The cotton plant fixing device (6) is provided in two numbers and composed of a fixing block (61) and a fastening bolt (62), the fixing block (61) is provided with a through hole 8 (63) at the bottom and connected with the notch 2 (54) by bolt fastening, the fixing block (61) is provided with a through hole 9 (64) and a through hole 10 (65), and the through hole 10 (65) is connected with the fastening bolt (62) by threads. The bevel gear (7) is provided with two through holes 11 (71) connected with the through holes 7 (55) of the moving fixed plate (52) by bolts. The bevel gear (8) is connected with the motor (3) by a key.

2. The adjustable vibration cotton plant collision experiment platform based on the slider-crank according to claim 1, characterized in that, The base (1) has a rectangular opening (11) in the middle of the panel, two through holes 1 (12) and two through holes 2 (13) are provided on both sides of the opening (11), the through holes 1 (12) are connected with the guide rail (51) by bolts and nuts, the through holes 2 (13) are connected with the through holes 4 (21) of the fixed motor device (2) by bolts and nuts, and the through holes 3 (14) at the bottom are connected with the through holes 5b (32) of the motor (3) by bolts and nuts.

3. The adjustable vibration cotton plant collision experiment platform based on a slider-crank according to claim 1, characterized in that, The fixed motor device (2) installed on the base (1) is connected with the through hole 2 (13) and the through hole 4 (21) by bolt and nut.

4. The adjustable vibration cotton plant collision experiment platform based on a slider-crank according to claim 1, characterized in that, The motor (3) installed on the fixed motor device (2) is fixed on the slot 1 (22) and the amplitude is adjusted by changing the center distance, and the motor (3) is fixed on the base (1) by the through hole 5b (32) and the through hole 3 (14) of the base through bolt and nut.

5. The adjustable vibration cotton plant collision experiment platform based on the slider-crank according to claim 1, characterized in that, The motor (3) is connected with the rocker (41) by key, the rocker (41) is connected with the adjustable center distance crank (42) through rotary pair, the amplitude can be adjusted by changing the center distance of the crank, and the impact rod (43) is limited in the horizontal direction through the sliding block fixing device (44), so that the impact rod collides in the horizontal direction.

6. The adjustable vibration cotton plant collision experiment platform based on a slider-crank according to claim 1, characterized in that, The guide rail (51) and the moving fixed plate (52) form a moving pair, which can move horizontally on the guide rail (51), the through hole 6 (53) on the guide rail (51) is provided with bolt and nut fixed with the through hole 1 (12) on the base (1), and the through hole 7 (55) of the moving fixed plate (52) is connected with the through hole 11 (71) of the helical gear rack (7) through bolt.

7. The adjustable vibration cotton plant collision experiment platform based on the slider-crank according to claim 1, characterized in that, The cotton plant fixing device (6) is composed of fixing block (61) and fastening bolt (62); the tightness is changed by rotating the fastening bolt (62), the fixing block (61) is connected with the through hole 8 (63) and the slot 2 (54) through bolt, and can move horizontally in the slot.

8. The adjustable vibration cotton plant collision experiment platform based on a slider-crank according to claim 1, characterized in that, The through hole 11 (71) on the helical gear rack (7) is connected with the through hole 7 (55) of the moving fixed plate through bolt.

9. The adjustable vibration cotton plant collision experiment platform based on a slider-crank according to claim 1, characterized in that, The helical gear (8) is connected with the motor (3) through key, and the helical gear (8) drives the helical gear rack (7) to move in the horizontal direction.

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