CN111284370A - Agricultural equipment cab seat test bed convenient to automatically regulated - Google Patents
Agricultural equipment cab seat test bed convenient to automatically regulated Download PDFInfo
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- CN111284370A CN111284370A CN201811500662.XA CN201811500662A CN111284370A CN 111284370 A CN111284370 A CN 111284370A CN 201811500662 A CN201811500662 A CN 201811500662A CN 111284370 A CN111284370 A CN 111284370A
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- 238000012360 testing method Methods 0.000 title claims abstract description 32
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 60
- 238000006073 displacement reaction Methods 0.000 claims description 14
- 238000004891 communication Methods 0.000 claims description 13
- 230000001276 controlling effect Effects 0.000 claims description 8
- 238000012795 verification Methods 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 6
- 125000004122 cyclic group Chemical group 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010168 coupling process Methods 0.000 abstract description 3
- 238000005859 coupling reaction Methods 0.000 abstract description 3
- 238000012857 repacking Methods 0.000 abstract description 3
- 230000008878 coupling Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 241000282414 Homo sapiens Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
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- 208000008035 Back Pain Diseases 0.000 description 1
- 208000008930 Low Back Pain Diseases 0.000 description 1
- 208000028571 Occupational disease Diseases 0.000 description 1
- 206010003246 arthritis Diseases 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
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- 208000024335 physical disease Diseases 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/0224—Non-manual adjustments, e.g. with electrical operation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
- B60N2/06—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
- B60N2/07—Slide construction
- B60N2/0722—Constructive details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
- B60N2/38—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles specially constructed for use on tractors or like off-road vehicles
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
Abstract
The invention provides a cab seat test bed convenient for automatic adjustment of agricultural equipment, and belongs to the technical field of agricultural machinery. The device comprises a transverse adjusting mechanism, a longitudinal adjusting mechanism and a control unit, wherein the control unit is respectively connected with the transverse adjusting mechanism and the longitudinal adjusting mechanism, the longitudinal adjusting mechanism is arranged on the transverse adjusting mechanism, the transverse adjusting mechanism comprises a sliding table bottom plate, a ball screw, a linear ball guide rail, a seat sliding table connecting plate, a fixing plate, a mounting seat, a coupling, a motor flange plate and a transverse stepping motor, and the longitudinal adjusting mechanism comprises a seat connecting plate, a worm gear lifter, a lifter mounting plate, a longitudinal stepping motor, a guide sleeve, a plurality of upper guide pillars and a plurality of lower guide pillars; this kind of agricultural equipment driver's cabin seat test bench convenient to automatically regulated through horizontal adjustment mechanism, vertical adjustment mechanism and the control unit, can accomplish the automatically regulated of seat, reaches the purpose that accords with the modern design of human-machine engineering such as safe high-efficient hommization, and the repacking is got up also very easily moreover to some extra expenses such as manufacturing cost have significantly reduced.
Description
Technical Field
The invention relates to a cab seat test bed convenient for automatic adjustment of agricultural equipment, and belongs to the technical field of agricultural machinery.
Background
Agricultural equipment such as tractors is now ubiquitous in our lives. For example, the figure can be seen on the construction ground, a factory, a farmland and even a campus. Since the birth of agricultural equipment such as tractors, the problems of big and small sizes are continuously solved for human beings, manpower is greatly saved on a plurality of projects, and the working efficiency is greatly improved. But problems have also arisen.
At present, the work items of a driver of agricultural equipment are various, the work environment is complex, the work conditions are severe, the labor intensity of the driver of a tractor is very high, and therefore the driver is easy to fatigue drive, and accidents are caused. Meanwhile, investigation and research show that the prevalence rate of occupational diseases such as lumbago, arthritis and the like of vehicle drivers is obviously higher than that of non-driving groups. Therefore, the work efficiency of the users is influenced, and physical diseases are brought.
In order to improve the use of the seat and make the driver more comfortable, and to avoid the above problems as much as possible, the seat should be adjustable according to the use requirements of different drivers. However, the existing seat adopts a fixed structure, cannot realize the transverse adjustment or the longitudinal adjustment of the position of the seat, is difficult to meet the use requirement of a driver, and cannot improve the use comfort. In addition, the use cost should be controlled at a lower level in consideration of the improvement of the production efficiency.
The above-mentioned problems are problems that should be considered and solved in the design process of the seat.
Disclosure of Invention
The invention aims to provide a cab seat test bed of agricultural equipment, which is convenient for automatic adjustment and solves the problems that the seat in the prior art adopts a fixed structure, cannot realize transverse adjustment or longitudinal adjustment of the position of the seat and is difficult to meet the use requirement of a driver.
The technical solution of the invention is as follows:
a cab seat test bed convenient for automatic adjustment for agricultural equipment comprises a transverse adjusting mechanism, a longitudinal adjusting mechanism and a control unit, wherein the control unit is respectively connected with the transverse adjusting mechanism and the longitudinal adjusting mechanism, and the longitudinal adjusting mechanism is arranged on the transverse adjusting mechanism
The transverse adjusting mechanism comprises a sliding table bottom plate, a ball screw, a linear ball guide rail, a seat sliding table connecting plate, a fixed plate, a mounting seat, a coupler, a motor flange plate and a transverse stepping motor, wherein the motor flange plate and the fixed plate are respectively arranged at two ends of the sliding table bottom plate;
the vertical adjustment mechanism comprises a seat connecting plate, a worm gear lifter, a lifter mounting plate, a vertical stepping motor, a guide sleeve, a plurality of upper guide pillars and a plurality of lower guide pillars, one end of each upper guide pillar is connected to the seat connecting plate, the other end of each upper guide pillar is arranged in the guide sleeve, the upper guide pillars and the guide sleeves are arranged in a one-to-one correspondence mode, the guide sleeves are arranged at the top end of the lifter mounting plate, one end of each lower guide pillar is connected to the bottom end of the lifter mounting plate, the other end of each lower guide pillar is arranged on the seat sliding table connecting plate of the horizontal adjustment mechanism, the worm gear lifter is arranged on the lifter mounting plate, the worm gear lifter is arranged between the seat connecting plate and the lifter mounting plate, an output shaft of the vertical stepping motor is connected with.
Further, the control unit comprises an upper computer and a lower computer, the upper computer is communicated with the lower computer, and the lower computer is respectively connected with a transverse stepping motor of the transverse adjusting mechanism and a longitudinal stepping motor of the longitudinal adjusting mechanism.
Further, still include grating chi sensor, grating chi sensor is located on the seat slip table connecting plate, and grating chi sensor connects the host computer down.
Further, the displacement of seat is gathered to grating chi sensor, sends displacement information for the next machine.
Further, the lower computer comprises a seat zero returning module, a motor start-stop and forward-reverse rotation control module and a seat position adjusting module,
seat zero returning module: the seat returns to the pre-designated original point when the automobile is started, so that the subsequent distance adjustment is facilitated;
the motor start-stop and forward and reverse rotation control module comprises: the seat position adjusting device is used for controlling the real-time running state of the motor and realizing the position adjustment of the seat by controlling the rotation of the transverse stepping motor and the longitudinal stepping motor;
a seat position adjustment module: according to the displacement information of the seat collected by the grating ruler sensor, the distance and the movement speed of the seat are accurately controlled, so that the seat reaches the designated spatial position.
Further, the host computer is equipped with input module, and input module adopts control panel to visual control interface inputs the displacement adjustment's of seat control information.
Further, the control unit performs adjustment control specifically by inputting a horizontal or vertical adjustment distance of the seat on an interface of an input module of the upper computer, communicating the upper computer with the lower computer and sending a control instruction, and analyzing and processing the control instruction after the lower computer receives the control instruction to control the horizontal stepping motor and the longitudinal stepping motor to rotate by corresponding angles, so that the seat is driven to move by corresponding distances in the horizontal and longitudinal directions, and the seat is positioned and adjusted.
Further, the transverse adjustment mechanism carries out transverse adjustment, namely, a transverse stepping motor drives a ball screw to rotate, the ball screw pushes a nut to move, and the nut is connected with the sliding table to limit the rotation of the nut, so that the nut drives the sliding table to linearly displace on the linear ball guide rail, and further drives the seat sliding table connecting plate to move; the moving direction of the sliding table on the linear ball guide rail can be changed by changing the rotation direction of the transverse stepping motor.
Further, the longitudinal adjustment mechanism performs longitudinal adjustment, specifically, the longitudinal stepping motor serves as a power source to drive the worm gear lifter to rotate, so that the seat connecting plate is lifted, and the seat on the seat connecting plate is driven to move up and down; the lifting direction of the seat can be changed by changing the rotation direction of the longitudinal stepping motor.
Further, a Modbus protocol is adopted between the upper computer and the lower computer as a communication protocol, during communication, data to be transmitted are organized according to the format of a message frame, then the message is transmitted between the upper computer and the lower computer through a serial port line, the transmitted data are verified by a CRC (cyclic redundancy check) method, when the verification is correct, the two computers perform subsequent processing on the transmitted data, and when the verification is wrong, an error and a renewed request are returned until the communication between the upper computer and the lower computer is completed.
The invention has the beneficial effects that:
the agricultural equipment cab seat test bed convenient for automatic adjustment can complete automatic adjustment of a seat through a transverse adjusting mechanism, a longitudinal adjusting mechanism and a control unit, and achieves the purpose of modern design according with safety, high efficiency, humanization and other ergonomics.
Second, this kind of be convenient for automatically regulated's agricultural equipment driver's cabin seat test bench, structural design is reasonable, brings very big convenience for manufacturer and practical user, and the repacking is also very easy moreover to significantly reduced some extra expenses such as manufacturing cost.
The seat adjusting device adopts a humanized design, does not need to adjust the seat manually, can automatically adjust according to the working time of a worker, and improves the comfort and the working efficiency of the worker.
Fourth, this kind of be convenient for automatically regulated's agricultural equipment driver's cabin seat test bench makes things convenient for the dismouting combination, maintains easily and maintains, can carry out free equipment according to customer's requirement.
Drawings
FIG. 1 is a schematic diagram of a configuration of a cab seat test bed of agricultural equipment that facilitates automatic adjustment according to an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 in the direction A;
FIG. 3 is a schematic view of the structure of FIG. 1 in the direction B;
FIG. 4 is a schematic structural view of a lateral adjustment mechanism in the embodiment;
FIG. 5 is a schematic structural view of a longitudinal adjusting mechanism in the embodiment;
FIG. 6 is a schematic diagram illustrating the control unit and the lateral and longitudinal adjustment mechanisms in the embodiment;
FIG. 7 is a flowchart of CRC validation calculation in an embodiment;
FIG. 8 is an explanatory diagram of a control unit in the embodiment;
wherein: 1-slipway bottom plate, 2-ball screw, 3-linear ball guide, 4-seat slipway connection plate, 5-fixing plate, 6-mounting seat, 7-coupling, 8-motor flange plate, 9-transverse stepping motor, 10-seat connection plate, 11-worm gear lifter, 12-lifter mounting plate, 13-longitudinal stepping motor, 14-guide sleeve, 15-upper guide post, 16-lower guide post, 17-slipway.
Detailed Description
Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Examples
A cab seat test bed convenient for automatic adjustment comprises a transverse adjusting mechanism, a longitudinal adjusting mechanism and a control unit, wherein the control unit is respectively connected with the transverse adjusting mechanism and the longitudinal adjusting mechanism, and the longitudinal adjusting mechanism is arranged on the transverse adjusting mechanism.
As shown in fig. 4, the transverse adjusting mechanism comprises a sliding table bottom plate 1, a ball screw 2, a linear ball guide rail 3, a seat sliding table connecting plate 4, a fixing plate 5, a mounting seat 6, a coupler 7, a motor flange plate 8 and a transverse stepping motor 9, wherein the motor flange plate 8 and the fixing plate 5 are respectively arranged at two ends of the sliding table bottom plate 1, the linear ball guide rail 3 is arranged on the sliding table bottom plate 1, and linear ball guide 3 locates between motor flange board 8 and fixed plate 5, seat slip table connecting plate 4 includes connecting plate and slip table 17, the one end of slip table 17 is connected on the connecting plate, linear ball guide 3 is located to the other end of slip table 17, slip table 17 is located on linear ball guide 3, the middle part of slip table 17 is located to ball 2's nut, ball 2's one end swing joint is on fixed plate 5, ball 2's the other end passes mount pad 6 and connects horizontal step motor 99's output shaft through shaft coupling 7.
As shown in fig. 5, the longitudinal adjusting mechanism includes a seat connecting plate 10, a worm gear lift 11, a lift mounting seat 12, a longitudinal stepping motor 13, a guide sleeve 14, a plurality of upper guide posts 15 and a plurality of lower guide posts 16, one end of the upper guide post 15 is connected to the seat connecting plate 10, the other end of the upper guide post 15 is disposed in the guide sleeve 14, the upper guide posts 15 and the guide sleeves 14 are disposed in one-to-one correspondence, the guide sleeve 14 is disposed at the top end of the lift mounting seat 12, the bottom end of the lift mounting seat 12 is connected to one end of the lower guide post 16, the other end of the lower guide post 16 is disposed on the seat sliding table connecting plate 4 of the transverse adjusting mechanism, the worm gear lift, and the worm gear and worm lifter 11 is arranged between the seat connecting plate 10 and the lifter mounting seat 12, the output shaft of the longitudinal stepping motor 13 is connected with the input shaft of the worm gear and worm lifter 11, and the output shaft of the worm gear and worm lifter 11 is connected on the seat connecting plate 10 through a bearing.
The agricultural equipment cab seat test bed convenient for automatic adjustment can complete automatic adjustment of a seat through the transverse adjusting mechanism, the longitudinal adjusting mechanism and the control unit, and achieves the purpose of modern design according with ergonomics such as safety, high efficiency and humanization. This kind of be convenient for automatically regulated's agricultural equipment driver's cabin seat test bench, structural design is reasonable, brings very big convenience for manufacturer and actual user, and the repacking is got up also very easily moreover to significantly reduced some extra expenses such as manufacturing cost.
The embodiment device adopts humanized design, need not to carry out manual regulation seat, can carry out automatically regulated according to labourer's operating time, mentions labourer's travelling comfort and work efficiency. This kind of be convenient for automatically regulated's agricultural equipment driver's cabin seat test bench makes things convenient for the dismouting combination, maintains easily and maintains, can carry out free equipment according to customer's requirement.
In the embodiment, the control unit comprises an upper computer and a lower computer, the upper computer is communicated with the lower computer, and the lower computer is respectively connected with a transverse stepping motor 9 of the transverse adjusting mechanism and a longitudinal stepping motor 13 of the longitudinal adjusting mechanism.
This kind of be convenient for automatically regulated's agricultural equipment driver's cabin seat test bench still includes grating chi sensor, and on seat slip table connecting plate 4 was located to grating chi sensor, grating chi sensor connected host computer. The grating ruler sensor collects the displacement of the seat and sends displacement information to the lower computer.
This kind of agricultural equipment driver's cabin seat test bench convenient to automatically regulated adopts grating chi sensor to measure the seat displacement as position feedback element, and grating chi sensor turns into A/B item TTL square wave pulse output with the actual displacement volume of seat, and the next computer provides the high-speed counter instruction, and the accessible sets up digital input point and gathers external high-speed pulse input.
In this kind of agricultural equipment driver's cabin seat test bench convenient to automatically regulated, the next machine includes that the seat returns zero module, motor start-stop and positive and negative rotation control module and seat position control module.
Seat zero returning module: the seat returns to the pre-designated original point when the automobile is started, so that the subsequent distance adjustment is facilitated;
the motor start-stop and forward and reverse rotation control module comprises: the seat position adjusting device is used for controlling the real-time running state of the motor and realizing the position adjustment of the seat by controlling the rotation of the transverse stepping motor 9 and the longitudinal stepping motor 13;
a seat position adjustment module: according to the displacement information of the seat collected by the grating ruler sensor, the distance and the movement speed of the seat are accurately controlled, so that the seat reaches the designated spatial position.
The host computer is equipped with input module, and input module adopts control panel to visual control interface inputs the displacement adjustment's of seat control information.
As shown in fig. 6, the control unit performs adjustment control specifically that a horizontal or vertical adjustment distance of the seat is input on an interface of an input module of the upper computer, the upper computer communicates with the lower computer and sends a control instruction, and the lower computer receives the control instruction and then analyzes the processing instruction to control the horizontal stepping motor 9 and the longitudinal stepping motor 13 to rotate by corresponding angles, so as to drive the seat to move by corresponding distances in the horizontal and longitudinal directions, thereby realizing positioning adjustment of the seat.
In this kind of agricultural equipment driver's cabin seat test bench convenient to automatically regulated, the host computer carries out serial communication with lower computer PLC when starting, and when communication was successful, the user can select the subprogram that the lower computer will operate, and when clicking corresponding button, can pop out the subprogram front panel, the user carries out control command's transmission in subprogram front panel separately.
The lower computer PLC is used for controlling the collection of the stepping motor and the longitudinal stepping motor 13 and signals, wherein the stepping motor and the longitudinal stepping motor 13 are main elements for driving the seat to move, the lower computer PLC controls the running of the stepping motor through high-speed pulses, the running speed of the motor can be changed by changing the frequency of the pulses, and the rotating angle of the motor can be changed by changing the number of the pulses.
In an embodiment, a Modbus protocol (Modbus is a serial communication protocol) is adopted as a communication protocol between the upper computer and the lower computer. During communication, data to be transmitted is organized according to the format of a message frame, and then messages are transmitted between devices through a serial port line, so that communication between an upper computer and a lower computer is completed. In order to enable the two communication parties to normally communicate, the transmitted data must be verified, when the verification is correct, the two parties perform subsequent processing on the transmitted data, and when the verification is wrong, an error is returned and the request is re-made. The transmitted data is verified by using a cyclic redundancy check, CRC, verification, and the CRC verification code calculation flow is shown in fig. 7.
In the embodiment, the transverse adjustment of the transverse adjustment mechanism is specifically that the transverse stepping motor 9 drives the ball screw 2 to rotate, the ball screw 2 pushes the nut to move, and the nut is connected with the sliding table 17 to limit the rotation of the nut, so that the nut drives the sliding table 17 to linearly displace on the linear ball guide rail 3, and further drives the seat sliding table connecting plate 4 to move; the moving direction of the sliding table 17 on the linear ball guide rail 3 can be changed by changing the rotation direction of the transverse stepping motor 9.
In the embodiment, the longitudinal adjustment mechanism performs longitudinal adjustment, specifically, the longitudinal stepping motor 13 serves as a power source to drive the worm gear and worm lifter 11 to rotate, so that the seat connecting plate 10 is lifted, and then the seat on the seat connecting plate 10 is driven to perform lifting movement; the lifting direction of the seat can be changed by changing the rotation direction of the longitudinal stepping motor 13.
In the longitudinal adjusting mechanism, four lower guide posts 16 below the elevator mounting seat 12 are used for supporting the whole longitudinal adjusting mechanism and the weight of a driver, and four upper guide posts 15 on the elevator mounting seat 12 are matched with respective guide sleeves 14 for assisting in guiding. The second-level worm of the worm gear and worm lifter 11 is processed into a form of preventing rotation, so as to avoid causing the upper guide post 15 and the guide sleeve 14 to be locked during movement.
The agricultural equipment cab seat test bed convenient for automatic adjustment is developed for automatic adjustment of seats of seat modules of agricultural equipment, and comprises the seat which is automatically adjusted in the horizontal direction and the vertical direction. The transverse adjustment of the seat adopts a spiral transmission design principle, the transverse adjustment mechanism adopts a ball screw 2 and a linear ball guide rail 3, and the movement direction of the sliding table 17 is changed by changing the rotation direction of a motor. The longitudinal adjusting mechanism adopts a worm gear transmission mode, so that the seat can be displaced and positioned in the Z direction of the cab.
In the embodiment, the control unit achieves the purpose of seat adjustment through the control of the upper computer on the lower computer. The PC is used as an upper computer, the Siemens S7200PLC is used as a lower computer, programming is carried out on the upper computer, data are transmitted to the lower computer PLC, the lower computer PLC transmits the data to the transverse adjusting mechanism and the longitudinal adjusting mechanism of the seat, and finally automatic control and adjustment of the seat are finished. Experiments show that the agricultural equipment cab seat test bed convenient for automatic adjustment can complete adjustment of the spatial position of the seat and provide certain reference significance for research of agricultural equipment cab ergonomics.
Compared with the traditional tractor seat, the agricultural equipment cab seat test bed convenient for automatic adjustment can effectively deal with the work with large labor intensity and long operation time, and reduces the fatigue feeling of human body and mind on the basis of improving the working efficiency. Compared with the existing widely used tractor seat, the embodiment device has high practicability and low cost, and is beneficial to use.
Claims (10)
1. The utility model provides an agricultural equipment driver's cabin seat test bench convenient to automatically regulated which characterized in that: the device comprises a transverse adjusting mechanism, a longitudinal adjusting mechanism and a control unit, wherein the control unit is respectively connected with the transverse adjusting mechanism and the longitudinal adjusting mechanism;
the transverse adjusting mechanism comprises a sliding table bottom plate, a ball screw, a linear ball guide rail, a seat sliding table connecting plate, a fixed plate, a mounting seat, a coupler, a motor flange plate and a transverse stepping motor, wherein the motor flange plate and the fixed plate are respectively arranged at two ends of the sliding table bottom plate;
the vertical adjustment mechanism comprises a seat connecting plate, a worm gear lifter, a lifter mounting plate, a vertical stepping motor, a guide sleeve, a plurality of upper guide pillars and a plurality of lower guide pillars, one end of each upper guide pillar is connected to the seat connecting plate, the other end of each upper guide pillar is arranged in the guide sleeve, the upper guide pillars and the guide sleeves are arranged in a one-to-one correspondence mode, the guide sleeves are arranged at the top end of the lifter mounting plate, one end of each lower guide pillar is connected to the bottom end of the lifter mounting plate, the other end of each lower guide pillar is arranged on the seat sliding table connecting plate of the horizontal adjustment mechanism, the worm gear lifter is arranged on the lifter mounting plate, the worm gear lifter is arranged between the seat connecting plate and the lifter mounting plate, an output shaft of the vertical stepping motor is connected with.
2. A readily self-adjusting agricultural equipment cab seat test stand according to claim 1, wherein: the control unit comprises an upper computer and a lower computer, the upper computer is communicated with the lower computer, and the lower computer is respectively connected with a transverse stepping motor of the transverse adjusting mechanism and a longitudinal stepping motor of the longitudinal adjusting mechanism.
3. A readily self-adjusting agricultural equipment cab seat test stand according to claim 2, wherein: still include grating chi sensor, grating chi sensor is located on the seat slip table connecting plate, and grating chi sensor connects the host computer down.
4. A readily self-adjusting agricultural equipment cab seat test stand according to claim 3, wherein: the grating ruler sensor collects the displacement of the seat and sends displacement information to the lower computer.
5. The agricultural equipment cab seat test stand facilitating automatic adjustment of claim 4, wherein: the lower computer comprises a seat zero returning module, a motor start-stop and positive and negative rotation control module and a seat position adjusting module, wherein the seat zero returning module comprises: the seat returns to the pre-designated original point when the automobile is started, so that the subsequent distance adjustment is facilitated;
the motor start-stop and forward and reverse rotation control module comprises: the seat position adjusting device is used for controlling the real-time running state of the motor and realizing the position adjustment of the seat by controlling the rotation of the transverse stepping motor and the longitudinal stepping motor;
a seat position adjustment module: according to the displacement information of the seat collected by the grating ruler sensor, the distance and the movement speed of the seat are accurately controlled, so that the seat reaches the designated spatial position.
6. The agricultural equipment cab seat test stand facilitating automatic adjustment of claim 5, wherein: the host computer is equipped with input module, and input module adopts control panel to visual control interface inputs the displacement adjustment's of seat control information.
7. An agricultural equipment cab seat test stand facilitating automatic adjustment of claim 6, wherein: the control unit is used for adjusting and controlling specifically, the seat transverse or vertical adjusting distance is input on an interface of an input module of the upper computer, the upper computer is communicated with the lower computer and sends a control instruction, the lower computer receives the control instruction and then analyzes the processing instruction, and the transverse stepping motor and the longitudinal stepping motor are controlled to rotate by corresponding angles, so that the seat is driven to move by corresponding distances in the transverse direction and the longitudinal direction, and the seat is positioned and adjusted.
8. A readily self-adjusting agricultural equipment cab seat test stand according to any one of claims 1 to 7, wherein: the transverse adjustment mechanism carries out transverse adjustment, namely, a transverse stepping motor drives a ball screw to rotate, the ball screw pushes a nut to move, and the nut is connected with the sliding table to limit the rotation of the nut, so that the nut drives the sliding table to linearly displace on the linear ball guide rail, and further drives a seat sliding table connecting plate to move; the moving direction of the sliding table on the linear ball guide rail can be changed by changing the rotation direction of the transverse stepping motor.
9. A readily self-adjusting agricultural equipment cab seat test stand according to any one of claims 1 to 7, wherein: the longitudinal adjusting mechanism is used for longitudinally adjusting, namely, a longitudinal stepping motor is used as a power source to drive a worm gear lifter to rotate, so that a seat connecting plate is lifted, and a seat on the seat connecting plate is driven to lift; the lifting direction of the seat can be changed by changing the rotation direction of the longitudinal stepping motor.
10. A readily self-adjusting agricultural equipment cab seat test stand according to any one of claims 2 to 7, wherein: the Modbus protocol is adopted as a communication protocol between the upper computer and the lower computer, when communication is carried out, data to be transmitted are organized according to the format of a message frame, then the message is transmitted between the upper computer and the lower computer through a serial port line, the transmitted data are verified by adopting a CRC (cyclic redundancy check) method, when the verification is correct, the two computers carry out subsequent processing on the transmitted data, and when the verification is wrong, an error is returned and a request is repeated until the communication between the upper computer and the lower computer is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811500662.XA CN111284370A (en) | 2018-12-07 | 2018-12-07 | Agricultural equipment cab seat test bed convenient to automatically regulated |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811500662.XA CN111284370A (en) | 2018-12-07 | 2018-12-07 | Agricultural equipment cab seat test bed convenient to automatically regulated |
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| Publication Number | Publication Date |
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| CN111284370A true CN111284370A (en) | 2020-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811500662.XA Pending CN111284370A (en) | 2018-12-07 | 2018-12-07 | Agricultural equipment cab seat test bed convenient to automatically regulated |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112665876A (en) * | 2020-12-29 | 2021-04-16 | 唐照所 | Agricultural equipment cab seat test bed convenient to automatically regulated |
| CN112825672A (en) * | 2021-01-05 | 2021-05-25 | 广东金颖农业科技孵化有限公司 | Agricultural harvester with adjustable cab height |
-
2018
- 2018-12-07 CN CN201811500662.XA patent/CN111284370A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112665876A (en) * | 2020-12-29 | 2021-04-16 | 唐照所 | Agricultural equipment cab seat test bed convenient to automatically regulated |
| CN112825672A (en) * | 2021-01-05 | 2021-05-25 | 广东金颖农业科技孵化有限公司 | Agricultural harvester with adjustable cab height |
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