Spreader test bench

Abstract

The present application belongs to the technical field of test bench, and particularly relates to a sower test bench. The sower test bench comprises a device frame, a hopper installed on the device frame, a dustproof table top matched with a feeding port of the hopper, a sower clamped on the dustproof table top, the sower comprising a storage box and a sowing part, the sowing part penetrating a hole formed on the dustproof table top, and a plurality of weight sensors arranged between the storage box and the dustproof table top; an imaging camera is installed on a discharging port of the hopper, used for recording a sowing image of the sower during sowing of the sower, a carrier box is placed below the hopper, and an electronic scale is arranged at a bottom of the carrier box. The sower test bench is used for testing sowing uniformity and sowing precision of the sower.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of test bench, and particularly relates to a sower test bench. BACKGROUND

[0002] The sower is used for field seeding and fertilization operation in cooperation with the plant protection unmanned aerial vehicle platform, and through high-speed airflow, solid particles such as seeds and fertilizers can be accurately put into the required environment. A large amount of sowing test needs to be carried out in the sower research and development process, but at present, the test platform specially used for the sower is still a blank in the industry. Most unmanned aerial vehicle manufacturers adopt the on-machine test method to carry out related tests, and there is no professional sower test platform, which is a problem to be solved by the technical personnel in the field at present. SUMMARY

[0003] The present application provides a sower test bench for testing the sowing uniformity and sowing accuracy of the sower.

[0004] In order to achieve the above technical effects, the present application adopts the following technical scheme:

[0005] The present application provides a sower test bench, which comprises a device frame, a hopper mounted on the device frame, and a dustproof table top matched with a feeding port of the hopper, a sower clamped on the dustproof table top, the sower comprising a storage tank and a sowing part, the sowing part penetrating a hole formed on the dustproof table top, and a plurality of weight sensors arranged between the storage tank and the dustproof table top.

[0006] An imaging camera is mounted on the hopper discharge port for recording the sowing image of the sower during the sowing process of the sower, a carrier box is placed below the hopper, and an electronic scale is arranged at the bottom of the carrier box.

[0007] As a preferred structure of the present application, the hopper comprises a feeding part and a discharging part, the feeding part is composed of two first fixed plates and two second fixed plates, and the two first fixed plates are provided with installation margins on both sides; the discharging part is composed of two trapezoidal fixed plates and two square fixed plates, the bottom ends of the two first fixed plates are connected with the two trapezoidal fixed plates through hinges, the bottom ends of the two second fixed plates are connected with the two square fixed plates through hinges, and the bottom ends of the two trapezoidal fixed plates are connected with the two adjacent square fixed plates through hinges.

[0008] As a preferred structure of the present application, the equipment frame comprises a first support structure, a second support structure and a movable support structure, the first support structure is used for supporting the feeding part, the second support structure is mounted on the first support structure, the movable support structure comprises an inclination adjusting device and a support device mounted on the second support structure through the inclination adjusting device, the support device can rotate around the inclination adjusting device to support the discharging part.

[0009] As a preferred structure of the present application, the first support structure comprises a first support leg, a second support leg, a third support leg and a fourth support leg, a first mounting beam is connected between the top ends of the first support leg and the second support leg, a second mounting beam is connected between the top ends of the second support leg and the third support leg, a third mounting beam is connected between the third support leg and the fourth support leg, and a fourth mounting beam is connected between the fourth support leg and the first support leg.

[0010] As a preferred structure of the present application, a first reinforcing beam is further connected between the first support leg and the second support leg, and a second reinforcing beam is further connected between the third support leg and the fourth support leg.

[0011] As a preferred structure of the present application, the second support structure comprises a first fixed beam and a second fixed beam, the first fixed beam is mounted between the second support leg and the third support leg, the second fixed beam is mounted between the first support leg and the fourth support leg, and a third fixed beam and a fourth fixed beam are connected between the first fixed beam and the second fixed beam.

[0012] As a preferred structure of the present application, the inclination adjusting device comprises a first inclination adjusting assembly and a second inclination adjusting assembly, the first inclination adjusting assembly comprises two first inclination adjusting pieces mounted on the third fixed beam and two second inclination adjusting pieces mounted on the fourth fixed beam, the support device comprises a plurality of support rods, a first support rod is mounted between the two first inclination adjusting pieces and can rotate around the two first inclination adjusting pieces to support a corresponding trapezoidal fixed plate, and a second support rod is mounted between the two second inclination adjusting pieces and can rotate around the two second inclination adjusting pieces to support a corresponding trapezoidal fixed plate.

[0013] The second inclination angle adjusting assembly comprises two left inclination angle adjusting pieces and two right inclination angle adjusting pieces, the two left inclination angle adjusting pieces are respectively installed on the third fixed beam and the fourth fixed beam, a third supporting rod is installed between the two left inclination angle adjusting pieces, the third supporting rod can rotate around the two left inclination angle adjusting pieces to support the corresponding square fixed plate; the two right inclination angle adjusting pieces are respectively installed on the third fixed beam and the fourth fixed beam, a fourth supporting rod is installed between the two right inclination angle adjusting pieces, the fourth supporting rod can rotate around the two right inclination angle adjusting pieces to support the corresponding square fixed plate.

[0014] As a preferred structure of the present application, two transverse sliding rails are installed on the dustproof table top, two mounting plates are installed between the two transverse sliding rails, four vertical sliding rails perpendicular to the two ends of the two transverse sliding rails are installed on the two mounting plates, and four sliding blocks are installed on the first mounting beam and the third mounting beam corresponding to the four vertical sliding rails.

[0015] As a preferred structure of the present application, two sliding blocks are respectively slidably connected to the two transverse sliding rails, a weight sensor is installed on each of the four sliding blocks, and the storage tank of the spreader is placed on the four weight sensors.

[0016] As a preferred structure of the present application, an imaging camera mounting rack is installed in the discharge part of the hopper, and four imaging cameras are installed on the imaging camera mounting rack.

[0017] The technical scheme has the following beneficial effects: the spreader test bench provided by the present application is used for testing the uniformity and precision of the spreader. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The structure diagram of the spreader test bench provided by the embodiment of the present application is shown in the figure.

[0019] Figure 2 The exploded view of the structure of the spreader test bench provided by the embodiment of the present application is shown in the figure.

[0020] Figure 3 The exploded view of the structure of the hopper provided by the embodiment of the present application is shown in the figure.

[0021] Figure 4 The structure diagram of the equipment frame provided by the embodiment of the present application is shown in the figure.

[0022] Figure 5 The structure diagram of the first supporting structure provided by the embodiment of the present application is shown in the figure.

[0023] Figure 6 The structure diagram of the second supporting structure and the movable supporting structure provided by the embodiment of the present application is shown in the figure.

[0024] Figure 7 The structure explosion diagram of the dustproof table top provided by the embodiment of the present application;

[0025] Figure 8 For Figure 1 The structure enlarged view at A in the figure;

[0026] In the figure: 1: equipment frame; 11: first support structure; 111: first support leg; 112: second support leg; 113: third support leg; 114: fourth support leg; 115: first mounting beam; 116: second mounting beam; 117: third mounting beam; 118: fourth mounting beam; 119: first reinforcing beam; 1110: second reinforcing beam; 12: second support structure; 121: first fixed beam; 122: second fixed beam; 123: third fixed beam; 124: fourth fixed beam; 13: movable support structure; 131: first inclination adjusting piece; 132: second inclination adjusting piece; 133: first support rod; 134: second support rod; 135: left inclination adjusting piece; 136: right inclination adjusting piece; 137: third support rod; 138: fourth support rod; 2: hopper; 21: first fixed plate; 22: second fixed plate; 23: trapezoidal fixed plate; 24: square fixed plate; 3: dustproof table top; 31: transverse sliding rail; 32: vertical sliding rail; 33: mounting plate; 34: sliding block; 35: sliding block; 4: spreader; 41: storage box; 42: spreading part; 5: weight sensor; 6: imaging camera; 61: imaging camera mounting rack; 7: object carrying box; 8: electronic scale. DETAILED DESCRIPTION

[0027] In order to make the objects, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0028] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "transverse", "longitudinal" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0029] And, the above-mentioned partial terms, in addition to can be used to express the orientation or position relationship, can also be used to express other meanings, for example, the term "upper" can also be used to express a certain dependent relationship or connection relationship in some cases. For those skilled in the art, the specific meaning of these terms in the present application can be understood according to the specific circumstances.

[0030] In addition, the terms "mounting", "setting", "provided with", "connecting", "connecting", "sleeving" should be broadly understood. For example, it can be fixedly connected, detachably connected, or integrally configured; it can be mechanically connected or electrically connected; it can be directly connected, or indirectly connected through an intermediate medium, or internal communication between two devices, elements or components. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0031] Unless otherwise specified, the meaning of "a plurality of" is two or more.

[0032] The present application will be further described in detail below through specific embodiments and in conjunction with the accompanying drawings. Embodiment

[0033] As Figure 1 and Figure 2 The present embodiment provides a spreader test bench, which comprises a device frame 1, a hopper 2 mounted on the device frame 1, and a dustproof table top 3 matched with the feeding port of the hopper 2, a spreader 4 clamped on the dustproof table top 3, the spreader 4 comprising a storage tank 41 and a spreading part 42, the dustproof table top 3 being provided with a hole for the spreading part 42 to pass through only, an imaging camera 6 mounted at the discharge port of the hopper 2 for recording the spreading image of the spreader 4 during the spreading process of the spreader 4, a plurality of weight sensors 5 arranged between the storage tank 41 and the dustproof table top 3, and a carrier box 7 placed below the hopper 2, the carrier box 7 being provided with an electronic scale 8 at the bottom.

[0034] Specifically, the device frame 1 is used to support the overall structure, the dustproof table top 3 is used as a carrier platform on one hand to carry the spreader 4, and on the other hand to realize the dustproof effect by using the shape matched with the feeding port of the hopper 2 to prevent dust and impurities from entering the inside of the hopper 2 and affecting the test data.

[0035] Referring to Figure 3The hopper 2 comprises a feeding part and a discharging part, the feeding part is composed of two first fixed plates 21 and two second fixed plates 22, the discharging part is composed of two trapezoidal fixed plates 23 and two square fixed plates 24, the bottom ends of the two first fixed plates 21 are connected with the two trapezoidal fixed plates 23 through hinges, the bottom ends of the two second fixed plates 22 are connected with the two square fixed plates 24 through hinges, the two sides of the two first fixed plates 21 are each provided with an installation allowance, and holes are formed in the four installation allowances for the two ends of the two second fixed plates 22 to be inserted, and the bottom ends of the two trapezoidal fixed plates 23 are connected with the two adjacent square fixed plates 24 through hinges.

[0036] Specifically, an imaging camera mounting rack 61 is mounted in the discharging part of the hopper 2, and four imaging cameras 6 are mounted on the imaging camera mounting rack 61.

[0037] Referring to Figure 4 The equipment frame 1 comprises a first support structure 11, a second support structure 12 and a movable support structure 13, and the first support structure 11 is used for supporting the feeding part.

[0038] Referring to Figure 5 The first support structure 11 comprises a first support leg 111, a second support leg 112, a third support leg 113 and a fourth support leg 114, a first mounting beam 115 is connected between the top ends of the first support leg 111 and the second support leg 112, a second mounting beam 116 is connected between the top ends of the second support leg 112 and the third support leg 113, a third mounting beam 117 is connected between the third support leg 113 and the fourth support leg 114, and a fourth mounting beam 118 is connected between the fourth support leg 114 and the first support leg 111.

[0039] Specifically, the top ends of the two first fixed plates 21 are respectively fixed on the first mounting beam 115 and the third mounting beam 117, the first support leg 111, the second support leg 112, the third support leg 113 and the fourth support leg 114 are each provided with two mounting racks, the installation allowances provided on the two sides of the two first fixed plates 21 are mounted on the first support leg 111, the second support leg 112, the third support leg 113 and the fourth support leg 114 through the mounting racks, and the two ends of the two second fixed plates 22 are fixed on the mounting racks.

[0040] In order to improve the support strength of the first support structure 11, in the embodiment, a first reinforcing beam 119 is further connected between the first support leg 111 and the second support leg 112, and a second reinforcing beam 1110 is further connected between the third support leg 113 and the fourth support leg 114.

[0041] Referring to Figure 6The second support structure 12 is mounted on the first support structure 11, and comprises a first fixed beam 121 and a second fixed beam 122. The first fixed beam 121 is mounted between the second support leg 112 and the third support leg 113, and the second fixed beam 122 is mounted between the first support leg 111 and the fourth support leg 114. A third fixed beam 123 and a fourth fixed beam 124 are connected between the first fixed beam 121 and the second fixed beam 122.

[0042] In the embodiment, the movable support structure 13 comprises an inclination adjusting device and a support device mounted on the second support structure 12 by the inclination adjusting device. The support device is rotatable about the inclination adjusting device to support the discharging part.

[0043] Specifically, the inclination adjusting device comprises a first inclination adjusting assembly and a second inclination adjusting assembly. The first inclination adjusting assembly comprises two first inclination adjusting members 131 mounted on the third fixed beam 123 and two second inclination adjusting members 132 mounted on the fourth fixed beam 124. The support device comprises a plurality of support rods. A first support rod 133 is mounted between the two first inclination adjusting members 131 and is rotatable about the two first inclination adjusting members 131 to support a corresponding trapezoidal fixed plate 23. A second support rod 134 is mounted between the two second inclination adjusting members 132 and is rotatable about the two second inclination adjusting members 132 to support a corresponding trapezoidal fixed plate 23.

[0044] The second inclination adjusting assembly comprises two left inclination adjusting members 135 and two right inclination adjusting members 136. The two left inclination adjusting members 135 are respectively mounted on the third fixed beam 123 and the fourth fixed beam 124. A third support rod 137 is mounted between the two left inclination adjusting members 135 and is rotatable about the two left inclination adjusting members 135 to support a corresponding square fixed plate 24.

[0045] The two right inclination adjusting members 136 are respectively mounted on the third fixed beam 123 and the fourth fixed beam 124. A fourth support rod 138 is mounted between the two right inclination adjusting members 136 and is rotatable about the two right inclination adjusting members 136 to support a corresponding square fixed plate 24.

[0046] Referring to Figure 7 and Figure 8The dustproof table top 3 is provided with two transverse sliding rails 31, two mounting plates 33 are mounted between the two transverse sliding rails 31, four vertical sliding rails 32 perpendicular to two ends of the two transverse sliding rails 31 are mounted on the two mounting plates, and four sliding blocks 35 are mounted on the first mounting beam 115 and the third mounting beam 117 corresponding to the four vertical sliding rails 32.

[0047] Specifically, the four vertical sliding rails 32 can slide on the four sliding blocks 35 to adjust the depth of the spreading part 42 of the spreader 4 extending into the funnel 2, and after adjustment, the four vertical sliding rails 32 can be fixed on the four sliding blocks 35, and the test of spreading can be started.

[0048] In the embodiment, two sliding blocks 34 are respectively and slidingly connected to the two transverse sliding rails 31, and a weight sensor 5 is mounted on each of the four sliding blocks 34, and the storage tank 41 of the spreader 4 is placed on the four weight sensors 5.

[0049] Specifically, the four sliding blocks 34 can slide on the two transverse sliding rails 31 with the four weight sensors 5 to adjust the position and better support and detect the weight of the storage tank 41.

[0050] Working principle of the embodiment:

[0051] The spreader 4 to be tested is clamped on the dustproof table top 3, and the weight of the storage tank 41 at this time is recorded, then the spreading material is added, and the weight of the storage tank 41 at this time is recorded again, then the test of spreading is started, the spreading picture of the spreader 4 is recorded by the imaging camera 6, and after the spreading is completed, the weight of the material box 7 is detected by the electronic scale 8 (peeling, i.e. the weight of the collected spreading material), and the uniformity and accuracy of the spreader are analyzed through the obtained test data.

[0052] The above only describes the preferred embodiments of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A seeding machine test bench, characterized in that, The device includes a frame (1), on which a funnel (2) is installed, and a dustproof platform (3) adapted to the feed inlet of the funnel (2). A spreader (4) is installed on the dustproof platform (3). The spreader (4) includes a storage box (41) and a spreading part (42). The spreading part (42) passes through a hole opened on the dustproof platform (3). Multiple weight sensors (5) are installed between the storage box (41) and the dustproof platform (3). An imaging camera (6) is installed at the outlet of the funnel (2) to record the spreading image of the spreader (4) during the spreading process. A loading box (7) is placed below the funnel (2), and an electronic scale (8) is installed at the bottom of the loading box (7). The funnel (2) includes a feeding section and a discharging section, the discharging section being composed of two trapezoidal fixing plates (23) and two square fixing plates (24); The equipment frame (1) includes a first support structure (11), a second support structure (12) and a movable support structure (13). The movable support structure (13) includes an angle adjustment device and a support device installed on the second support structure (12) via the angle adjustment device. The support device can rotate around the angle adjustment device to support the discharge section. The second support structure (12) includes a first fixed beam (121), a second fixed beam (122), a third fixed beam (123) and a fourth fixed beam (124); The tilt adjustment device includes a first tilt adjustment assembly and a second tilt adjustment assembly. The first tilt adjustment assembly includes two first tilt adjustment members (131) installed on the third fixed beam (123) and two second tilt adjustment members (132) installed on the fourth fixed beam (124). The support device includes multiple support rods. A first support rod (133) is installed between two first tilt adjustment members (131). The first support rod (133) can rotate around the two first tilt adjustment members (131) to support the corresponding trapezoidal fixed plate (23). A second support rod (134) is installed between two second tilt adjustment members (132). The second support rod (134) can rotate around the two second tilt adjustment members (132) to support the corresponding trapezoidal fixed plate (23). The second tilt adjustment assembly includes two left tilt adjustment components (135) and two right tilt adjustment components (136). The two left tilt adjustment components (135) are respectively mounted on the third fixed beam (123) and the fourth fixed beam (124). A third support rod (137) is installed between the two left tilt adjustment components (135). The third support rod (137) can rotate around the two left tilt adjustment components (135) to support the corresponding square fixed plate (24). The two right tilt adjustment components (136) are respectively mounted on the third fixed beam (123) and the fourth fixed beam (124). A fourth support rod (138) is installed between the two right tilt adjustment components (136). The fourth support rod (138) can rotate around the two right tilt adjustment components (136) to support the corresponding square fixed plate (24).

2. The seeding machine test bench according to claim 1, characterized in that, The feeding section consists of two first fixing plates (21) and two second fixing plates (22). The bottom ends of the two first fixing plates (21) are connected to the two trapezoidal fixing plates (23) by hinges. The bottom ends of the two second fixing plates (22) are connected to the two square fixing plates (24) by hinges. The bottom ends of the two trapezoidal fixing plates (23) are connected to the two adjacent square fixing plates (24) by hinges.

3. The seeding machine test bench according to claim 2, characterized in that, The first support structure (11) is used to support the feeding part, and the second support structure (12) is installed on the first support structure (11).

4. The seeding machine test bench according to claim 3, characterized in that, The first support structure (11) includes a first support leg (111), a second support leg (112), a third support leg (113), and a fourth support leg (114). A first mounting beam (115) is connected between the top ends of the first support leg (111) and the second support leg (112). A second mounting beam (116) is connected between the top ends of the second support leg (112) and the third support leg (113). A third mounting beam (117) is connected between the third support leg (113) and the fourth support leg (114). A fourth mounting beam (118) is connected between the fourth support leg (114) and the first support leg (111).

5. The seeding machine test bench according to claim 4, characterized in that, A first reinforcing beam (119) is connected between the first support leg (111) and the second support leg (112), and a second reinforcing beam (1110) is connected between the third support leg (113) and the fourth support leg (114).

6. The seeding machine test bench according to claim 4, characterized in that, The first fixed beam (121) is installed between the second support leg (112) and the third support leg (113), the second fixed beam (122) is installed between the first support leg (111) and the fourth support leg (114), and the third fixed beam (123) and the fourth fixed beam (124) are connected between the first fixed beam (121) and the second fixed beam (122).

7. The seeding machine test bench according to claim 4, characterized in that, Two horizontal slide rails (31) are installed on the dustproof tabletop (3), and two mounting plates (33) are installed between the two horizontal slide rails (31). Four vertical slide rails (32) perpendicular to the two ends of the two horizontal slide rails (31) are installed on the two mounting plates. Four sliding blocks (35) are installed on the first mounting beam (115) and the third mounting beam (117) corresponding to the four vertical slide rails (32).

8. The seeding machine test bench according to claim 7, characterized in that, Two sliders (34) are slidably connected to the two transverse slide rails (31), and weight sensors (5) are installed on the four sliders (34). The storage box (41) of the spreader (4) is placed on the four weight sensors (5).

9. The seeding machine test bench according to claim 2, characterized in that, An imaging camera mounting bracket (61) is installed inside the discharge section of the funnel (2), and four imaging cameras (6) are installed on the imaging camera mounting bracket (61).

Images