Man-machine engineering test platform for simulating cab of cotton picker

Abstract

The utility model particularly discloses a man-machine engineering test platform for simulating a cab of a cotton picker. The platform is integrated with an adjustable seat device, an adjustable steering device, an adjustable pedal device, an adjustable control device, an adjustable display device, a data acquisition system and the like. The platform realizes comprehensive capture and analysis of operation behaviors and physiological parameters of a driver through a precise data acquisition system in combination with an RGB-D sensor, a signal conditioning module, a multi-channel data acquisition card and a computer; the data acquisition system comprises a seat, a pedal, a steering wheel, a console and a display screen detection subsystem. The platform has wide control adjustability, can simulate drivers with different body types and operation habits, has high practicability, can accurately feed back the influence of cab design on the comfort of the drivers and the working efficiency, and provides a scientific basis for design optimization of the cabs of the cotton picker and other vehicles.

Description

TECHNICAL FIELD

[0001] The utility model belongs to cotton picking machine technical field, and specifically relates to a kind of man-machine engineering test platform simulating cotton picking machine cab. BACKGROUND

[0002] Cotton is one of the important economic crops in China, not only occupies the pivotal position in textile industry, but also is the main economic source of broad cotton farmers. With the development of agricultural modernization, improving cotton production efficiency and harvesting quality becomes an urgent demand. As modern agricultural equipment, the performance of cotton picking machine directly affects the harvesting efficiency and quality of cotton. The cab of cotton picking machine is the core area of interaction between operator and machine, and its design needs to fully consider the principle of ergonomics to ensure that the operator can maintain comfortable, safe and efficient working state in long-time operation. Ergonomics is a discipline that studies the interaction between people, machines and their working environment, aiming to optimize human-machine system and improve system efficiency, safety and comfort.

[0003] Since there is no man-machine engineering test platform for detecting function comprehensively and debugging simply for the cab of cotton picking machine at present, it can only rely on traditional physical prototype trial production and field test to design and optimize the cab of cotton picking machine. This way not only takes long time and costs high, but also is difficult to quickly iterate and optimize design, greatly reduces the research and development efficiency, thereby limits the innovation ability and market competitiveness of product. UTILITY MODEL CONTENT

[0004] In view of the above problems, the utility model provides a kind of man-machine engineering test platform simulating cotton picking machine cab, improves the rationality of operation component setting in cab, man-machine comfort and safety by adjusting and detecting analysis to the position of seat, steering wheel, control console, display screen, pedal and other main components.

[0005] The utility model aims to realize by the following technical scheme:

[0006] A kind of man-machine engineering test platform simulating cotton picking machine cab, the test platform is mainly composed of adjustable seat device, adjustable steering device, adjustable pedal device, adjustable control device, adjustable display device, data acquisition system. The adjustable seat device is equipped with adjustable steering device in front;The adjustable steering device is equipped with adjustable pedal device below;The adjustable seat device is equipped with adjustable control device right side;The adjustable control device is equipped with adjustable display device in front.

[0007] As a further limitation of the technical solution, the data acquisition system mainly comprises a seat detection system, a pedal detection system, a steering wheel detection system, a console detection system, a display screen detection system, an RGB-D sensor (3), a signal conditioning module (28), a multi-channel data acquisition card (2), and a computer (1).

[0008] As a further limitation of the technical solution, the seat detection system mainly comprises a seat displacement detection sensor (22), a seat rotation vector sensor (23), and a backrest angle sensor (21); the seat displacement detection sensor (22) acquires the distance of the seat (15) sliding on the guide rail (17) and the height assembly data relative to the seat connecting plate (16g); the seat rotation vector sensor (23) acquires the angle data of the seat cushion rotation mechanism (15e); the backrest adjustment mechanism (15g) can adjust the included angle (90°-160°) between the seat cushion (15d) and the backrest (15a), and the backrest angle sensor (21) acquires the data of the included angle.

[0009] As a further limitation of the technical solution, the pedal detection system mainly comprises a pedal displacement sensor (24) and a pedal pressure sensor (25); the pedal displacement sensor (24) acquires the data of the pedal (6) displacement, and the pedal pressure sensor (25) acquires the data of the pedal pressure.

[0010] As a further limitation of the technical solution, the steering wheel detection system mainly comprises a steering wheel displacement sensor (27) and a steering wheel torque controller (26); the steering wheel displacement sensor (27) acquires the data of the steering wheel (8) displacement in space.

[0011] As a further limitation of the technical solution, the console detection system mainly comprises a console displacement detection sensor (20) and a key displacement detection sensor (19); the console displacement detection sensor (20) acquires the distance of the console (13) sliding on the I-shaped slide bar (14a) and the height assembly data relative to the console connecting plate (14i); the key displacement detection sensor (19) is installed on the key adjustment mechanism (12) and can acquire the data of the key position.

[0012] As a further limitation of the technical solution, the display screen detection system mainly comprises a display screen rotation vector sensor (18); the display screen rotation vector sensor (18) acquires the data of the display screen (10) in the states of extension, pitch, and rotation.

[0013] As a further limitation of the technical solution, the RGB-D sensor (3) can detect the range of motion, speed of motion, frequency of motion, and center of gravity changes of each part of the driver's body during driving, as well as the size, weight, surface area, and center of gravity of each part of the body, and the relationship between each part of the body during movement.

[0014] As a further limitation of the technical solution, the data acquisition card (2) can transmit all collected data, and the computer (1) can analyze and process the collected data.

[0015] Compared with the prior art, the advantages and beneficial effects of the present application are as follows:

[0016] 1. The seat rotation mechanism is provided, and the seat is rotated.

[0017] 2. The display screen support is provided, and the display screen is adjusted in extension, pitch, and rotation space position.

[0018] 3. The RGB-D sensor is provided to detect the structure characteristic parameters and the function characteristic parameters of the human body.

[0019] 4. The key adjustment mechanism is provided to move the keys on the console.

[0020] 5. The simulation test platform has reasonable layout, strong practicability, wide adjustable steering, and other advantages, and can meet different test requirements. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a structure schematic view of the cotton picker cab test platform.

[0022] Figure 2 It is a structure schematic view of the adjustable display device.

[0023] Figure 3 It is a structure schematic view of the adjustable control device.

[0024] Figure 4 It is a structure schematic view of the adjustable seat device.

[0025] Figure 5 It is a structure schematic view of the adjustable pedal device.

[0026] Figure 6 It is a structure schematic view of the adjustable steering device.

[0027] Wherein, 1-computer 2-multichannel data acquisition card 3-RGB-D sensor 4-pedal adjusting mechanism 4a-pedal sliding groove 4b-pedal sliding strip 5-pedal support 5a-pedal main shaft 5b-spring 5c-pedal base 6-pedal 7-steering wheel support 7a-steel I-shaped sliding strip 7b-steel I-shaped sliding groove 7c-steel I-shaped sliding strip 7d-steel I-shaped sliding groove 7e-steel I-shaped sliding strip 7f-steel I-shaped sliding groove 7g-steering wheel support plate 7h-steering wheel base main shaft 7i-steering wheel base 8-steering wheel 9-display screen support 9a-support 9b-rudder 9c-bottom rod 10-display screen 11-handle 12-key adjusting mechanism 13-control console 14-control console adjusting mechanism 14a-steel I-shaped sliding strip 14b-steel I-shaped sliding groove 14c-base 14d-lower support arm 14e-nut 14f-screw rod 14g-upper support arm 14h-bearing plate 14i-control console connecting plate 14j-operating handle base 15-seat 15a-backrest 15b-armrest 15c-armrest support arm 15d-cushion 15e-cushion rotating mechanism 15f-cushion support plate 15g-backrest adjusting mechanism 16-height adjusting mechanism 16a-bearing plate 16b-upper support arm 16c-nut 16d-screw rod 16e-lower support arm 16f-base 16g-seat connecting plate 17-guide rail 17a-steel I-shaped seat sliding groove 17b-steel I-shaped seat sliding strip 18-display screen rotating vector sensor 19-key displacement detection sensor 20-control console displacement detection sensor 21-backrest angle sensor 22-seat displacement detection sensor 23-seat rotating vector sensor 24-pedal displacement sensor 25-pedal pressure sensor 26-steering wheel torque controller 27-steering wheel displacement sensor 28-signal conditioning module DETAILED DESCRIPTION

[0028] The specific embodiments of the present application will be described in detail below with reference to the drawings, but it should be understood that the scope of protection of the present application is not limited by the specific embodiments.

[0029] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "bottom", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present application.

[0030] The terms "mounting", "connected", "connection" should be understood broadly, for example, can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be internal communication of two elements. 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] The following description of exemplary embodiments with reference to the accompanying drawings. The following detailed description does not limit the present application, on the contrary, the scope of the appended claims. For the sake of simplicity, the following embodiments are described in terms of the terminology and structure of the present system, however, the embodiments to be described next are not limited to this system, but can be applied to any other system that can be applied.

[0032] Reference Figure 1 , shown is a kind of man-machine engineering test platform simulating cotton picker cab, the test platform mainly by adjustable seat device, adjustable steering device, adjustable pedal device, adjustable control device, adjustable display device, data acquisition system composition;The adjustable seat device front is equipped with adjustable steering device;The adjustable steering device below is equipped with adjustable pedal device;The adjustable seat device right side is equipped with adjustable control device;The adjustable control device front is equipped with adjustable display device.

[0033] The adjustable seat device includes guide rail (17), height adjustment mechanism (16), seat (15);Seat (15) is composed of cushion (15d), backrest (15a) and armrest (15b);Armrest (15b) and the connecting portion of cushion (15d) are provided with armrest support arm (15c), the connecting portion of cushion (15d) and backrest (15a) is provided with backrest adjustment mechanism (15g), the lower side of cushion (15d) is provided with cushion rotating mechanism (15e), respectively realize armrest height adjustment, cushion rotation and the adjustment of the angle of cushion and backrest;The lower side of seat (15) is fixedly connected with height adjustment mechanism (16), for adjusting the height of seat;The lower side of height adjustment mechanism (16) is provided with guide rail (17), for realizing the adjustment of seat front and back position;

[0034] The adjustable steering device includes steering wheel (8), steering wheel support (7);Steering wheel support (7) can realize the adjustment of the height of steering wheel (8) up and down, left and right distance, front and back position and the angle with steering wheel support (7);

[0035] The adjustable pedal device includes pedal adjustment mechanism (4), pedal support (5), pedal (7);Pedal adjustment mechanism (4) can realize the adjustment of pedal left and right position, pedal support (5) is fixedly connected with pedal (6);

[0036] The adjustable control device comprises a control console adjusting mechanism (14), a control console (13), a handle (11), and a button adjusting mechanism (12); the control console adjusting mechanism (14) can realize the adjustment of the left-right position and the up-down height of the control console; the control console (13) is fixedly connected with the control console adjusting mechanism (14); the handle (11) is ball-hinged with the control console (13); and the button adjusting mechanism (12) can realize the movement of the position of the button on the control console.

[0037] The adjustable display device comprises a display screen (10) and a display screen support (9); the display screen support (9) can realize the functions of stretching, pitching, and rotating for multi-directional adjustment; and the display screen (10) is fixedly connected with the display screen support (9).

[0038] The data acquisition system mainly comprises a seat detection system, a pedal detection system, a steering wheel detection system, a control console detection system, a display screen detection system, an RGB-D sensor (3), a signal conditioning module (28), a multi-channel data acquisition card (2), and a computer (1).

[0039] The seat detection system mainly comprises a seat displacement detection sensor (22), a seat rotation vector sensor (23), and a backrest angle sensor (21); the seat displacement detection sensor (22) collects the distance of the sliding of the seat (15) on the guide rail (17) and the height assembly data relative to the seat connecting plate (16g), and transmits the data to the signal conditioning module (28); the seat rotation vector sensor (23) collects the angle data of the rotation of the cushion rotating mechanism, and transmits the data to the signal conditioning module (28); the backrest adjusting mechanism (15g) can realize the adjustment of the included angle (90°-160°) between the cushion (15d) and the backrest (15a), and the backrest angle sensor (21) collects the data of the included angle between the two, and transmits the data to the signal conditioning module (28).

[0040] The pedal detection system mainly comprises a pedal displacement sensor (24) and a pedal pressure sensor (25); the pedal displacement sensor (24) collects the data of the displacement of the pedal (6), and the pedal pressure sensor (25) collects the data of the pressure of the pedal (6), and the data are transmitted to the signal conditioning module (28) together.

[0041] The steering wheel detection system mainly comprises a steering wheel displacement sensor (27) and a steering wheel torque controller (26); the steering wheel torque controller (26) is adjusted to simulate the moment of the steering wheel (8) when rotating; the steering wheel displacement sensor (27) collects the data of the displacement of the steering wheel (8) in space, and the data are transmitted to the signal conditioning module (28) together.

[0042] The console detection system is mainly composed of a console displacement detection sensor (20) and a key displacement detection sensor (19); the console displacement detection sensor (20) collects the distance of the console (13) sliding on the I-shaped slide bar (14a) and the height assembly data relative to the console connecting plate (14i), and transmits to the signal conditioning module (28); the key displacement detection sensor (19) is installed on the key adjusting mechanism (12) and can collect the data of the key position and transmit to the signal conditioning module (28).

[0043] The display screen detection system is mainly composed of a display screen rotation vector sensor (18); the display screen rotation vector sensor (18) collects the data of the display screen (10) in the extension, pitch and rotation state, and transmits to the signal conditioning module (28).

[0044] The RGB-D sensor (3) can detect the activity range, action speed, action frequency, and center of gravity change of each part of the human body during driving, and can also detect the size, weight, surface area, center of gravity of each part of the human body, and the relationship between each part of the human body during activity.

[0045] The adjustable seat device includes a guide rail (17), a height adjusting mechanism (16), and a seat (15); the guide rail includes an I-shaped seat sliding groove (17a) and an I-shaped seat sliding bar (17b); the I-shaped seat sliding bar (17b) is slidingly connected to the I-shaped seat sliding groove (17a); the I-shaped seat sliding groove (17a) is fixedly connected to the height adjusting mechanism (16) above; the height adjusting mechanism (16) is fixedly connected to the seat (15) above;

[0046] The height adjusting mechanism (16) includes a base one (16f), a lower support arm one (16e), an upper support arm one (16b), a screw one (16d), a seat connecting plate (16g), a bearing plate one (16a), and a nut one (16c); the seat connecting plate (16g) is fixedly connected to the base one (16f); the base one (16f) is fixedly connected to the input shaft of the lower support arm one (16e) above; the output shaft of the lower support arm one (16e) is connected to the upper support arm one (16b); the output shaft of the upper support arm one (16b) is connected to the bearing plate one (16a); the screw one (16d) is rotatably connected to the nut one (16c); and the nut one (16c) is rotatably connected to the output shaft of the lower support arm one (16e).

[0047] The seat (15) comprises an armrest support arm (15c), an armrest (15b), a seat cushion (15d), a backrest (15a), a backrest adjusting mechanism (15g), a seat cushion rotating mechanism (15e), and a seat cushion support plate (15f); the seat cushion support plate (15f) is fixedly connected with the seat cushion rotating mechanism (15e); the seat cushion rotating mechanism (15e) is fixedly connected with the seat cushion (15d); the seat cushion (15d) is fixedly connected with the backrest adjusting mechanism (15g); the backrest adjusting mechanism (15g) is rotatably connected with the backrest (15a); the seat cushion (15d) is rotatably connected with the armrest support arm (15c); and the armrest support arm (15c) is fixedly connected with the armrest (15b).

[0048] The adjustable pedal device comprises a pedal adjusting mechanism (4), a pedal support (5), and a pedal (6); the pedal adjusting mechanism (4) can adjust the left and right positions of the pedal; the pedal support (5) is fixedly connected with the pedal (6); the pedal adjusting mechanism comprises a pedal sliding strip (4b) and a pedal sliding groove (4a); the pedal support comprises a pedal base (5c), a spring (5b), and a pedal main shaft (5a); the pedal sliding groove (4a) is slidably connected with the pedal sliding strip (4b); the pedal sliding strip (4b) is fixedly connected with the pedal base (5c) above; the pedal base (5c) is fixedly connected with the spring (5b) above; the spring (5b) is fixedly connected with the pedal (6); the pedal main shaft (5a) is rotatably connected with the pedal (6); and the pedal main shaft (5a) is rotatably connected with the pedal base (5c).

[0049] The adjustable steering device comprises a steering wheel (8) and a steering wheel support (7); the steering wheel support (7) can adjust the up and down height, the left and right distance, the front and back position, and the angle with the steering wheel support (7) of the steering wheel (8); the steering wheel support comprises an I-shaped sliding strip one (7a), an I-shaped sliding strip two (7c), an I-shaped sliding strip three (7e), an I-shaped sliding groove one (7b), an I-shaped sliding groove two (7d), an I-shaped sliding groove three (7f), a steering wheel support plate (7g), a steering wheel base (7i), and a steering wheel base main shaft (7h); the I-shaped sliding strip one (7a) is slidably connected with the I-shaped sliding groove one (7b); the I-shaped sliding groove one (7b) is fixedly connected with the I-shaped sliding strip two (7c); the I-shaped sliding strip two (7c) is slidably connected with the I-shaped sliding groove two (7d); the I-shaped sliding groove two (7d) is fixedly connected with the I-shaped sliding strip three (7e); the I-shaped sliding strip three (7e) is slidably connected with the I-shaped sliding groove three (7f); the I-shaped sliding groove three (7f) is fixedly connected with the steering wheel support plate (7g); the steering wheel support plate (7g) is rotatably connected with the steering wheel base main shaft (7h); the steering wheel base main shaft (7h) is rotatably connected with the steering wheel base (7i); and the steering wheel base (7i) is rotatably connected with the steering wheel (8).

[0050] The adjustable control device comprises a control console adjusting mechanism (14), a control console (13), a handle (11), and a button adjusting mechanism (12). The control console adjusting mechanism (14) can adjust the left and right positions and the up and down heights of the control console. The button adjusting mechanism (12) can move the position of the button on the control console (13). The control console adjusting mechanism (14) comprises an I-shaped sliding groove four (14b), an I-shaped sliding bar four (14a), a base two (14c), a lower support arm two (14d), a nut two (14e), a screw rod two (14f), an upper support arm two (14g), a bearing plate two (14h), a control console connecting plate (14i), and a handle base (14j). The I-shaped sliding bar four (14a) is slidingly connected with the I-shaped sliding groove four (14b). The I-shaped sliding groove four (14b) is fixedly connected with the control console connecting plate (14i) above. The control console connecting plate (14i) is fixedly connected with the base two (14c). The base two (14c) is fixedly connected with the input shaft of the lower support arm two (14d) above. The output shaft of the lower support arm two (14d) is connected with the upper support arm two (14g). The output shaft of the upper support arm two (14g) is connected with the bearing plate two (14h). The screw rod two (14f) is rotatably connected with the nut two (14e). The nut two (14e) is rotatably connected with the output shaft of the lower support arm two (14d). The bearing plate two (14h) is fixedly connected with the control console (13) above. The control console (13) is fixedly connected with the handle base (14j), and the handle base (14j) is rotatably connected with the handle (11).

[0051] The adjustable display device comprises a display screen (10) and a display screen support (9). The display screen support (9) can realize the functions of stretching, pitching, and rotating for multi-directional adjustment. The display screen (10) is fixedly connected with the display screen support (9). The display screen support (9) comprises a bottom rod (9c), a support (9a), and a rudder (9b). The bottom rod (9c) is rotatably connected with the rudder (9b). The rudder (9b) is fixedly connected with the support (9a). The support (9a) is fixedly connected with the display screen (10).

[0052] The seat detection system is mainly composed of a seat displacement detection sensor (22), a seat rotation vector sensor (23), and a backrest angle sensor (21). The seat displacement detection sensor (22) collects the distance of the seat sliding on the guide rail and the height assembly data relative to the seat connecting plate (16g), and transmits to the signal conditioning module (28). The seat rotation vector sensor (23) collects the angle data of the seat cushion rotation mechanism, and transmits to the signal conditioning module (28). The backrest angle adjustment mechanism (15g) can adjust the included angle (90°-160°) between the seat cushion (15d) and the backrest (15a). The backrest angle sensor (21) collects the data of the included angle between the two, and transmits to the signal conditioning module (28).

[0053] The pedal detection system is mainly composed of a pedal displacement sensor (24) and a pedal pressure sensor (25). The pedal displacement sensor (24) collects the data of the pedal (6) displacement, and the pedal pressure sensor (25) collects the data of the pedal (6) pressure, and transmits to the signal conditioning module (28).

[0054] The steering wheel detection system is mainly composed of a steering wheel displacement sensor (27) and a steering wheel torque controller (26). The steering wheel torque controller (26) is adjusted to simulate the moment of the steering wheel (8) turning. The steering wheel displacement sensor (27) collects the data of the steering wheel (8) displacement in space, and the steering wheel angle sensor (27) collects the data of the included angle between the steering wheel (8) and the steering wheel seat (7i), and transmits to the signal conditioning module (28).

[0055] The console detection system is mainly composed of a console displacement detection sensor (20) and a key displacement detection sensor (19). The console displacement detection sensor (20) collects the distance of the console (13) sliding on the I-shaped slide bar (14a) and the height assembly data relative to the console connecting plate (14i), and transmits to the signal conditioning module (28). The key displacement detection sensor (19) is installed on the key adjustment mechanism (12) and can collect the data of the key position, and transmits to the signal conditioning module (28).

[0056] The display screen detection system is mainly composed of a display screen rotation vector sensor (18). The display screen rotation vector sensor (18) collects the data of the display screen (10) in the state of extension, pitch, and rotation, and transmits to the signal conditioning module (28).

[0057] The RGB-D sensor (3) can detect the body function characteristic parameters of the driver during driving, such as the activity range, action speed, action frequency, and gravity center change of each part of the human body, and can also detect the body structure characteristic parameters of each part of the human body, such as the size, weight, surface area, gravity center, and the relationship between each part of the human body during activity.

[0058] The workflow of the embodiment is as follows:

[0059] According to the height and driving habits of the driver, the driver can rotate the screw rod one (16d) to drive the upper support arm one (16b) and the lower support arm one (16e) to swing, and the upper support arm one (16b) and the lower support arm one (16e) drive the load plate one (16a) to move up and down, and the load plate one (16a) drives the cushion (15d) to move up and down to the appropriate position.

[0060] By adjusting the backrest angle adjusting mechanism (15g), the backrest angle adjusting mechanism (15g) drives the backrest (15a) to swing to the appropriate position.

[0061] By adjusting the cushion rotating mechanism (15e), the cushion rotating mechanism (15e) drives the cushion (15d) to rotate to the appropriate position.

[0062] By swinging the armrest support arm (15c), the armrest support arm (15c) drives the armrest (15b) to move to the appropriate position.

[0063] By moving the I-shaped seat sliding groove (17a) on the I-shaped seat sliding strip (17b), the seat connecting plate (16g) is driven to move forward and backward to the appropriate position.

[0064] By moving the I-shaped sliding groove one (7b) on the I-shaped sliding strip one (7a), the I-shaped sliding strip two (7c) is driven to move up and down. By moving the I-shaped sliding groove two (7d) on the I-shaped sliding strip two (7c), the I-shaped sliding strip three (7e) is driven to move forward and backward. By moving the I-shaped sliding groove three (7f) on the I-shaped sliding strip three (7e), the steering wheel support plate (7g) is driven to move left and right to the appropriate position.

[0065] By swinging the steering wheel seat (7i), the steering wheel seat (7i) drives the steering wheel (8) to move to the appropriate position.

[0066] By moving the pedal sliding strip (4b) on the pedal sliding groove (4a), the pedal base (5c) is driven to move left and right. The spring (5b) is installed above the pedal base to realize the reset of the pedal (6).

[0067] By adjusting the screw two (14f), the screw two (14f) drives the upper support arm two (14g) and the lower support arm two (14d) swing, the upper support arm two (14g) and the lower support arm two (14d) drive the bearing plate two (14h) up and down, the bearing plate two (14h) drive console (13) up and down to the appropriate position.

[0068] By moving the I-shaped chute four (14b) on the I-shaped slide four (14a), drive the console connecting plate (14i) left and right to the appropriate position.

[0069] By adjusting the steering gear (9b), the steering gear (9b) drives the bracket (9a) to rotate, the bracket (9a) drives the display screen (10) to move to the appropriate position.

[0070] The seat detection system, pedal detection system, steering wheel detection system, console detection system, display screen detection system and RGB-D sensor (3) transmit all the data collected by the detection system to the signal conditioning module (28), and the signal conditioning module (28) transmits all the data collected to the multi-channel data acquisition card (2), and finally the computer (1) analyzes and processes the collected data.

[0071] Throughout this specification the term "embodiment" means a specific example described in connection with an embodiment includes in at least one embodiment of the disclosed subject matter. Thus, the term "embodiment" appearing throughout this specification can not necessarily refer to the same embodiment. In addition, specific features, structures, or characteristics can be combined in any suitable manner in one or more embodiments. It should be understood that the present specification is not intended to limit the present application. Rather, the exemplary embodiments are intended to cover alternatives, modifications and equivalents, which are included in the spirit and scope of the present application as defined by the appended claims. Furthermore, in the detailed description of the exemplary embodiments, numerous specific details are set forth in order to provide a comprehensive understanding of the claimed application. However, one skilled in the art should understand that the various embodiments can also be practiced without these specific details.

[0072] Although the features and elements of the exemplary embodiments are described in particular combinations in the examples, each feature or element can be used alone or in combination with other features and elements in other examples.

[0073] This written description uses examples to disclose the application, including the best mode, and also to enable any person skilled in the art to practice the application, including making and using any devices or systems and performing any incorporated methods. The patentable scope of the application is defined by the claims, and can include other examples that occur to those skilled in the art. Such other examples are intended to fall within the scope of the claims if they have structural elements that do not differ from the literal language of the claims, or if they include structural elements that are insubstantial differences from the literal language of the claims.

Claims

1. A platform for ergonomic testing simulating a cotton picker cab, characterized by: The test platform is mainly composed of an adjustable seat device, an adjustable steering device, an adjustable pedal device, an adjustable control device, an adjustable display device and a data acquisition system; the adjustable seat device comprises a guide rail (17), a height adjusting mechanism (16) and a seat (15), the seat (15) is composed of a seat cushion (15d), a backrest (15a) and an armrest (15b), an armrest support arm (15c) is installed at the connection between the armrest (15b) and the seat cushion (15d), a backrest adjusting mechanism (15g) is installed at the connection between the seat cushion (15d) and the backrest (15a), a seat cushion rotating mechanism (15e) is installed below the seat cushion (15d), the height of the armrest, the rotation of the seat cushion and the angle adjustment between the seat cushion and the backrest are realized respectively; the height adjusting mechanism (16) is fixedly connected below the seat (15) and is used for adjusting the height of the seat; the guide rail (17) is installed below the height adjusting mechanism (16) and can realize the adjustment of the front and back positions of the seat; the adjustable steering device comprises a steering wheel (8) and a steering wheel support (7); the steering wheel support (7) can realize the adjustment of the height, the distance, the position and the angle of the steering wheel (8) with the steering wheel support (7); the adjustable pedal device comprises a pedal adjusting mechanism (4), a pedal support (5) and a pedal (6); the pedal adjusting mechanism (4) can realize the adjustment of the left and right positions of the pedal, and the pedal support (5) is fixedly connected with the pedal (6); the adjustable control device comprises a control console adjusting mechanism (14), a control console (13), a handle (11) and a key adjusting mechanism (12); the control console adjusting mechanism (14) can realize the adjustment of the left and right positions and the height of the control console (13); the control console (13) is fixedly connected with the control console adjusting mechanism (14); the handle (11) is ball-hinged with the control console (13); the key adjusting mechanism (12) can realize the movement of the keys on the control console; the adjustable display device comprises a display screen (10) and a display screen support (9); the display screen support (9) can realize the functions of stretching, pitching and rotating and can realize multi-directional adjustment; the display screen (10) is fixedly connected with the display screen support (9); the data acquisition system mainly comprises a seat detection system, a pedal detection system, a steering wheel detection system, a control console detection system, a display screen detection system, an RGB-D sensor (3), a signal conditioning module (28), a multi-channel data acquisition card (2) and a computer (1).

2. The platform for ergonomic test of simulating the cab of a cotton picker according to claim 1, characterized in that: The seat detection system is mainly composed of a seat displacement detection sensor (22), a seat rotation vector sensor (23), and a backrest angle sensor (21); the seat displacement detection sensor (22) collects the distance of the seat sliding on the guide rail and the height assembly data relative to the seat connecting plate (16g), and transmits to the signal conditioning module (28); the seat rotation vector sensor (23) collects the angle data of the seat cushion rotation mechanism, and transmits to the signal conditioning module (28); the backrest adjustment mechanism (15g) can realize the adjustment of the included angle between the seat cushion (15d) and the backrest (15a) of 90°-160°, and the backrest angle sensor (21) collects the included angle data between the two, and transmits to the signal conditioning module (28).

3. The platform for ergonomic testing of a simulated cotton picker cab of claim 1, wherein: The pedal detection system is mainly composed of a pedal displacement sensor (24) and a pedal pressure sensor (25); the pedal displacement sensor (24) collects the pedal displacement data, and the pedal pressure sensor (25) collects the pedal pressure data, and transmits to the signal conditioning module (28).

4. The platform for ergonomic testing of a simulated cotton picker cab of claim 1, wherein: The steering wheel detection system is mainly composed of a steering wheel displacement sensor (27) and a steering wheel torque controller (26); the steering wheel torque controller (26) is adjusted to simulate the moment of the steering wheel (8) when rotating; the steering wheel displacement sensor (27) collects the displacement data of the steering wheel (8) in space, and transmits to the signal conditioning module (28).

5. The platform for ergonomic testing of a simulated cotton picker cab of claim 1, wherein: The console detection system is mainly composed of a console displacement detection sensor (20) and a key displacement detection sensor (19); the console displacement detection sensor (20) collects the distance of the console (13) sliding on the I-shaped slide bar (14a) and the height assembly data relative to the console connecting plate (14i); the key displacement detection sensor (19) is installed on the key adjustment mechanism (12) and can collect the key position data, and transmits to the signal conditioning module (28).

6. The anthropometric test platform for simulating the cab of a cotton picker according to claim 1, characterized in that: The display screen detection system is mainly composed of a display screen rotation vector sensor (18), which collects the data of the display screen (10) in the extension, pitch, and rotation states, and transmits to the signal conditioning module (28).

7. The anthropometric test platform for simulating the cab of a cotton picker according to claim 1, characterized in that: The RGB-D sensor (3) can detect several human function characteristic parameters such as the activity range, action speed, action frequency, and center of gravity change of each part of the human body during driving, and can also detect the size, weight, surface area, center of gravity of each part of the human body, and the mutual relationship of each part of the human body during activity, and transmits to the signal conditioning module (28).

8. The platform for ergonomic testing of a simulated cotton picker cab of claim 1, wherein: The seat detection system, pedal detection system, steering wheel detection system, console detection system, display screen detection system, and RGB-D sensor (3) transmit all the collected data to the signal conditioning module (28) through the detection system, and the signal conditioning module (28) transmits all the collected data to the multi-channel data acquisition card (2), and finally the computer (1) analyzes and processes the collected data.

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