Test platform for pneumatic conveying system of cotton picker

Abstract

The utility model relates to the field of cotton picker air conveying system testing, and discloses a cotton picker air conveying system testing platform which comprises a bottom frame, a plurality of picking heads are arranged above the bottom frame, a supporting frame is fixed above the bottom frame, a motor is arranged on one side of the supporting frame, a fan is arranged on one side of the supporting frame, and the picking heads are arranged on the bottom frame. A distributor is fixed at one end of an air outlet of the fan, a test instrument is arranged on the top surface of the distributor, a plurality of corrugated air pipes are detachably arranged at one end of the distributor, a square air pipe is fixedly connected to one end of each corrugated air pipe, and a connecting frame is arranged on one side of the bottom frame; a first platform is fixed to the top face of the connecting frame. The wind speed and the wind pressure can be adjusted from multiple aspects such as the inclination angle of the square wind pipe, the bending degree of the corrugated wind pipe, the length of the corrugated wind pipe and the internal state of the distributor, testing is carried out by adjusting experimental parameters, the universality of a testing result can be improved, and then the improvement effect is enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of cotton picking machine air conveying system test, concretely is a cotton picking machine air conveying system test platform. BACKGROUND

[0002] The air conveying system is an important component of the cotton picking machine, which is mainly responsible for conveying the picked cotton to the designated position. The negative pressure airflow generated by the fan enters the picking head part through the pipeline, and the seed cotton and impurities are sucked into the six-roller impurity removal mechanism to realize the separation of seed cotton and impurities. The impurities are further discharged through the cyclone separator, and the separated seed cotton is blown into the cotton box by the positive pressure provided by the fan after passing through the wind shelter, completing the entire harvesting process.

[0003] According to the patent with the announcement number CN214372674U, a cotton picking machine air conveying system test device, comprising: a mounting seat, provided with a mounting position for mounting the air conveying system; a frequency modulation driving motor for driving the fan of the air conveying system to rotate; an anemometer for measuring the air speed of the fan outlet; a frequency modulation vibration motor for driving the mounting seat to vibrate; a heater for heating the working environment of the air conveying system.

[0004] In the above scheme, the air speed of the air conveying system working in the simulated temperature and vibration environment is detected by the anemometer, which still has the following shortcomings: only considering the environmental factors to detect the air speed in the air conveying system and improving according to the results may lead to insufficient universality of the detection results, reducing the improvement effect of the air conveying system. Utility model content

[0005] The utility model aims at providing a cotton picking machine air conveying system test platform to solve the problem that only considering the environmental factors to detect the air speed in the air conveying system and improving according to the results may lead to insufficient universality of the detection results, reducing the improvement effect of the air conveying system.

[0006] In order to realize the above-mentioned utility model purposes, the utility model adopts the following technical scheme: a cotton picker air conveying system test platform, comprising a bottom frame, a plurality of picking heads are arranged above the bottom frame, a supporting frame is fixed above the bottom frame, a motor is arranged on one side of the supporting frame, a fan is arranged on one side of the supporting frame, a distributor is fixed at one end of the fan air outlet, a test instrument is arranged on the top surface of the distributor, a plurality of corrugated air pipes are detachably arranged at one end of the distributor, a square air pipe is fixedly connected to one end of the corrugated air pipe, a connecting frame is arranged on one side of the bottom frame, a first platform is fixed on the top surface of the connecting frame, the bottom surface of the motor and the top surface of the first platform are detachably arranged, the bottom surface of the fan and the top surface of the first platform are detachably arranged, a belt pulley is arranged on the top surface of the first platform, and the output shaft of the motor and the fan are drivingly connected through the belt pulley.

[0007] Preferably, two mounting strips are fixed in the distributor, air deflectors are detachably arranged in the mounting strips, a plurality of shunt pipes are fixed on one side of the distributor, and one end of the shunt pipe is detachably arranged with one end of the corrugated air pipe.

[0008] Preferably, a second platform is fixed on one side of the supporting frame, a guardrail is fixed on the top surface of the second platform, a plurality of inclined supporting rods are fixed on the bottom surface of the second platform, and the other ends of the inclined supporting rods are fixed with the surface of the supporting frame.

[0009] Preferably, a third platform is fixed on the other side of the supporting frame, and a see-through intercepting rail is fixed on the top surface of the third platform.

[0010] Preferably, a tripod is fixed on the top surface of the bottom frame, a plurality of foot pedals are fixed on one side of the tripod, and a handrail is fixed on the tripod.

[0011] Preferably, two supporting rods are fixed between the top surface of the second platform and the third platform, a mounting groove is formed in the top surface of the second platform, a ladder is mounted in the mounting groove, and the other ends of the ladder are respectively fixed with the upper ends of the surfaces of the supporting rods.

[0012] Compared with the prior art, the cotton picker air conveying system test platform adopting the above technical scheme has the following beneficial effects:

[0013] One, the motor will use pulley to provide power for the fan when working, then the fan is transported into the corrugated air pipe through the distributor, then transported into the square air pipe, the air speed and air pressure can be adjusted from the square air pipe inclination angle, the corrugated air pipe bending degree, the corrugated air pipe length and the state inside the distributor, the test conclusion is obtained by recording the air speed and air pressure change in each section of pipeline, the air supply system can be improved, the universality of test result is increased by adjusting the test parameters, and the improvement effect is further strengthened;

[0014] Two, the test instrument can be installed on the equipment on the first platform, the second platform and the third platform by the worker during testing, so that the air speed inside the pipeline can be recorded, and the worker can stay on the first platform, the second platform and the third platform, thereby increasing the convenience of the worker during testing operation;

[0015] Three, when the worker moves back and forth between the first platform, the second platform and the third platform, the worker can move back and forth between the three platforms by using the footboard and the ladder, and the safety of the worker during up and down movement is increased by using the guardrail and the intercepting rail, so that the worker can quickly reach the position to be operated or detected, the time wasted due to searching for other high-climbing methods or waiting for auxiliary equipment is reduced, and the work efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a perspective view of an embodiment.

[0017] Figure 2 It is a rear perspective view of an embodiment.

[0018] Figure 3 It is a perspective view of an embodiment. Figure 2 It is an enlarged view of a partial structure at A in the embodiment.

[0019] Figure 4 It is a sectional view of the distributor in the embodiment.

[0020] In the figure: 1, bottom frame; 2, sampling head; 3, motor; 4, fan; 5, distributor; 6, test instrument; 7, corrugated air pipe; 8, square air pipe; 9, connecting frame; 10, first platform; 11, support frame; 12, second platform; 13, guardrail; 14, third platform; 15, intercepting rail; 16, inclined support rod; 17, tripod; 18, footboard; 19, handrail; 20, support rod; 21, mounting groove; 22, ladder; 23, mounting strip; 24, air deflector; 25, shunt pipe. DETAILED DESCRIPTION

[0021] The preferred embodiment of the utility model will be described in detail below with reference to the accompanying drawings. The preferred embodiment of the utility model will be described in detail below with reference to the accompanying drawings.

[0022] As shown in Figure 1 , Figure 2 and Figure 4 , a cotton picker air conveying system test platform, comprising a bottom frame 1, a plurality of picking heads 2 are arranged above the bottom frame 1, a support frame 11 is fixed above the bottom frame 1, a motor 3 is arranged on one side of the support frame 11, a fan 4 is arranged on one side of the support frame 11, a distributor 5 is fixed at one end of the fan 4 outlet, a test instrument 6 is arranged on the top surface of the distributor 5, a plurality of corrugated air pipes 7 are detachably arranged at one end of the distributor 5, a square air pipe 8 is fixedly connected at one end of the corrugated air pipe 7, a connecting frame 9 is arranged on one side of the bottom frame 1, a first platform 10 is fixed on the top surface of the connecting frame 9, the bottom surface of the motor 3 and the top surface of the first platform 10 are detachably arranged, the bottom surface of the fan 4 and the top surface of the first platform 10 are detachably arranged, a belt pulley is arranged on the top surface of the first platform 10, the output shaft of the motor 3 and the fan 4 are drivingly connected through the belt pulley, two mounting strips 23 are fixed in the distributor 5, a wind deflector 24 is detachably arranged in the mounting strip 23, a plurality of shunt pipes 25 are fixed on one side of the distributor 5, and one end of the shunt pipe 25 is detachably arranged with one end of the corrugated air pipe 7.

[0023] In use, the motor 3 provides power for the fan 4 through the belt pulley when working, then the fan 4 is transported into the corrugated air pipe 7 through the distributor 5, then it is transported into the square air pipe 8, the wind speed and the wind pressure can be adjusted from the square air pipe 8 inclination angle, the corrugated air pipe 7 bending degree, the square air pipe 8 length and the state in the distributor 5, the test conclusion is obtained by recording the wind speed and the wind pressure change in each section of the pipeline, the air conveying system can be improved, the universality of the test result can be increased by adjusting the test parameters, and the improvement effect is further enhanced.

[0024] As shown in Figure 1 and Figure 2 , a second platform 12 is fixed on one side of the support frame 11, a guardrail 13 is fixed on the top surface of the second platform 12, a plurality of inclined struts 16 are fixed on the bottom surface of the second platform 12, the other end of the inclined strut 16 is fixed with the surface of the support frame 11, a third platform 14 is fixed on the other side of the support frame 11, and a see-through barrier rail 15 is fixed on the top surface of the third platform 14.

[0025] In use, the test instrument 6 can be installed on different positions on the equipment on the first platform 10, the second platform 12 and the third platform 14 during testing, the wind speed in the pipeline can be recorded, and the workers can stop on the first platform 10, the second platform 12 and the third platform 14, so that the convenience of the workers during the detection operation is increased.

[0026] As shown in Figure 1 andFigure 3 As shown, the top surface of the bottom frame 1 is fixed with a tripod 17, one side of the tripod 17 is fixed with several foot pedals 18, the top surface of the second platform 12 is fixed with two support rods 20 between the second platform 12 and the third platform 14, the top surface of the second platform 12 is provided with a mounting groove 21, and the inside of the mounting groove 21 is mounted with a ladder 22, and the two ends of the other side of the ladder 22 are respectively fixed with the upper ends of the surfaces of the support rods 20.

[0027] In use, when the staff moves back and forth between the first platform 10, the second platform 12 and the third platform 14, the staff can move back and forth between the three platforms by using the foot pedals 18 and the ladder 22, and the safety of the staff when moving up and down is increased by using the guardrails 13 and the intercepting rail 15, so that the staff can quickly reach the position to be operated or detected, the time wasted by finding other high-climbing ways or waiting for auxiliary equipment is reduced, and the work efficiency is improved.

[0028] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A test platform for a cotton harvester pneumatic conveying system, comprising a base frame (1), characterized in that, Several sampling heads (2) are arranged above the bottom frame (1). A support frame (11) is fixed above the bottom frame (1). A motor (3) is arranged on one side of the support frame (11). A fan (4) is arranged on one side of the support frame (11). A distributor (5) is fixed at one end of the air outlet of the fan (4). A testing instrument (6) is arranged on the top surface of the distributor (5). Several corrugated ducts (7) are detachably arranged at one end of the distributor (5). One end of the motor (3) is fixedly connected to a square air duct (8). A connecting frame (9) is provided on one side of the bottom frame (1). A first platform (10) is fixed on the top surface of the connecting frame (9). The bottom surface of the motor (3) is detachably connected to the top surface of the first platform (10). The bottom surface of the fan (4) is detachably connected to the top surface of the first platform (10). A pulley is provided on the top surface of the first platform (10). The output shaft of the motor (3) is connected to the fan (4) via the pulley.

2. The cotton harvester pneumatic conveying system test platform according to claim 1, characterized in that: The distributor (5) has two mounting strips (23) fixed inside. The mounting strips (23) are detachably equipped with air guide plates (24). A number of diversion pipes (25) are fixed on one side of the distributor (5). One end of the diversion pipe (25) is detachably connected to one end of the corrugated duct (7).

3. The cotton harvester pneumatic conveying system test platform according to claim 1, characterized in that: A second platform (12) is fixed to one side of the support frame (11), a guardrail (13) is fixed to the top surface of the second platform (12), and a number of inclined support rods (16) are fixed to the bottom surface of the second platform (12). The other end of the inclined support rods (16) is fixed to the surface of the support frame (11).

4. The cotton harvester pneumatic conveying system test platform according to claim 1, characterized in that: A third platform (14) is fixed on the other side of the support frame (11), and a guardrail (15) is fixed on the top surface of the third platform (14).

5. A test platform for a cotton harvester pneumatic conveying system according to claim 1, characterized in that: A tripod (17) is fixed on the top surface of the base frame (1), and several foot pedals (18) are fixed on one side of the tripod (17). A handrail (19) is fixed on the tripod (17).

6. A test platform for a cotton harvester pneumatic conveying system according to claim 3, characterized in that: Two support rods (20) are fixed between the top surface of the second platform (12) and the third platform (14). The top surface of the second platform (12) is provided with an installation groove (21). A ladder (22) is installed inside the installation groove (21). The two ends of the ladder (22) on the other side are respectively fixed to the upper end of the surface of the support rod (20).

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