CN113514256B - Multifunctional pedal fatigue performance test board and locking method thereof - Google Patents
Multifunctional pedal fatigue performance test board and locking method thereof Download PDFInfo
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- CN113514256B CN113514256B CN202110667626.8A CN202110667626A CN113514256B CN 113514256 B CN113514256 B CN 113514256B CN 202110667626 A CN202110667626 A CN 202110667626A CN 113514256 B CN113514256 B CN 113514256B
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- 238000011056 performance test Methods 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000012360 testing method Methods 0.000 claims abstract description 28
- 238000001514 detection method Methods 0.000 claims abstract description 17
- 230000009471 action Effects 0.000 claims description 5
- 230000007306 turnover Effects 0.000 claims description 5
- 230000008569 process Effects 0.000 abstract description 6
- 230000007547 defect Effects 0.000 abstract description 3
- 230000033001 locomotion Effects 0.000 description 8
- 238000009661 fatigue test Methods 0.000 description 5
- 230000001360 synchronised effect Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000011179 visual inspection Methods 0.000 description 2
- 206010020649 Hyperkeratosis Diseases 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000012544 monitoring process Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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Abstract
The invention discloses a multifunctional pedal fatigue performance test board and a locking method thereof, and aims to solve the defect that the existing forklift pedal lacks detection of electrical performance. The invention includes a housing; a positioning table for positioning the pedal; a connecting rod; a driver, the link driving the driver; the pressure sensor is adjustably connected to the connecting rod; a voltage sensor electrically connected to the pedal under test; a switchboard; the connecting rod swings and enables the pressure sensor to abut against the pedal, and the switchboard receives signals of the pressure sensor and the voltage sensor. In the fatigue degree detection process, the electrical performance is monitored besides the mechanical structure, so that the fatigue degree detection method is more comprehensive.
Description
Technical Field
The invention relates to the field of acceleration testing of forklifts, in particular to a multifunctional pedal fatigue performance test board and a locking method thereof.
Background
The quality of the motion performance of the forklift is closely related to the performance of an accelerator pedal of the forklift, the accelerator pedal is frequently used on the forklift, if the quality of the accelerator pedal of the forklift is unqualified, failure conditions easily occur in the driving process, and the personal and property safety of a vehicle owner is easily damaged, so that the accelerator pedal is essentially tested. Most of the existing pedal test devices only aim at structural strength tests and endurance tests, but lack of a fatigue test device for monitoring pedal force and signals in real time, cannot monitor the whole test process of the pedal in real time well, and cannot intuitively know the damage form and failure state of the pedal. The accelerator test bench commonly used in the market at present is mainly formulated for automobile standards. Therefore, how to provide a multifunctional endurance test device for an accelerator pedal of a forklift to detect the related performance of the accelerator pedal is a technical problem that needs to be solved by those skilled in the art.
Chinese patent publication No. CN205785840U, the name is fork truck service brake test bench, this application discloses a fork truck service brake test bench, including outside rack, the rack comprises switch board, sensor, chest expander, electric jar, load spring, service brake frock clamp, outer frame and base, and the platform is installed in outer frame interior lower part, and the switch board constitutes test system as control center and sensor, chest expander, electric jar, load spring, service brake frock clamp, installs corresponding test station on the platform. The device only pays attention to the durability of the mechanical structure, and for pedals with the working purpose of outputting corresponding signals, the device does not pay attention to the output voltage change of the pedals in the testing process and after the testing is finished, so that omission in detection is generated, and the defect of incomplete detection exists.
Disclosure of Invention
The invention overcomes the defect that the existing forklift pedals lack of detection of electrical performance, and provides a multifunctional pedal fatigue performance test board and a locking method thereof, which can collect the mechanical performance and the electrical performance of an accelerator pedal of a forklift in real time and realize detection of the mechanical performance and the electrical performance.
In order to solve the technical problems, the invention adopts the following technical scheme:
A multifunctional pedal fatigue performance test bench comprises
Shell body
A positioning table for positioning the pedal;
A connecting rod;
a driver that drives the link;
the pressure sensor is adjustably connected to the connecting rod;
A voltage sensor electrically connected to the pedal under test;
A switchboard;
the connecting rod swings and enables the pressure sensor to abut against the pedal, and the switchboard receives signals of the pressure sensor and the voltage sensor.
The device is used for detecting the fatigue degree by pressing the movable end of the pedal through the pressure sensor. During detection, the signal of the pressure sensor and the voltage signal output by the pedal are output to a switchboard, namely a computer. The driver is three stepping motors, the driver is controlled by a PLC, the rotating speed and the stroke of the motors can be controlled, and the swinging of the connecting rod simulates the movement of human feet. The information is summarized to a calculator to generate a corresponding curve, so that the synchronous relation between the stroke and the voltage after the fatigue test can be obtained, whether the output signal of the pedal is kept linear or not is detected, and the output signal is kept in synchronization with the test. The structure can detect whether the stroke and the pressure are normally represented after the fatigue test, whether the relation between the stroke and the voltage is consistent in the front and the back, whether the foot feeling is consistent, whether the foot feeling is loose or not, whether the pedal is damaged or not can be analyzed through a real-time stress curve of the pedal, and the damage form and the failure state of the pedal can be known accordingly.
Because the driver is controlled by the PLC, the test stroke and the force of the pedal can be adjusted. A counter coupled to the actuator or linkage counts the number of trials of the pedal.
Preferably, the connecting rod is provided with a turning end and a free end, the turning end being coaxial with the hinge point of the pedal. In order to simulate the motion of human feet, the rotating shaft of the connecting rod is coaxial with the hinging point of the pedal, so that the pressure direction of the voltage sensor is always in the tangential direction of the rotating path of the pedal, the pedal stress direction is vertical to the pedal surface, and the actual pedal stress condition can be simulated.
Preferably, the connecting rod is provided with long holes arranged along the length direction, the pressure sensor is detachably connected to the connecting rod through the fastener, and the detection direction of the pressure sensor faces the pedal and is arranged along the length direction of the connecting rod. The adjustable in the foregoing refers to that the pressure sensor can be positioned at different length positions of the connecting rod to simulate the condition that pedals with different sizes are arranged on the pedal, and the detection end of the pressure sensor is always opposite to the pedal due to the fact that the rotating end is coaxial with the hinging point of the pedal in the foregoing. The structure can avoid the situation that the force component in other directions cannot be counted into the pressure sensor, so that the force component cannot be actually measured.
Preferably, the switchboard is electrically connected to the drive. The switchboard is electrically connected with the driver, controls the driver to output the rotation for a designated number of times and output the travel of a designated depth, and gathers corresponding data, voltage and pressure.
Preferably, the positioning table is connected to the shell in a lifting manner, a positioner is arranged at the rotating end of the connecting rod, and light rays emitted by the positioner form light spots on the pedal to assist the pedal to position. For the 'coaxial rotation end and the hinging point of the pedal', certain error can be brought by visual inspection, and a positioner capable of emitting positioning laser is arranged at the position, which is aligned with a specific position on the pedal, so that the positioning of the pedal in the length direction is finished.
Preferably, the positioning table comprises a fixed plate and a locker, the locker is connected to the shell in a lifting manner, the locker comprises a locker shell which is lifted by the lifter and two locks which are used for respectively positioning the left side and the right side of the pedal, the locks are hinged to the shell, wedge blocks are arranged on the locks, the wedge blocks are abutted to the fixed plate to enable the locks to turn over, one ends of the locks, which are far away from the wedge blocks, are connected in a guide rail which is arranged along the horizontal direction in a sliding manner, the guide rail vertically slides in the locker shell, and an elastic piece is arranged between the guide rail and the top of the locker shell.
The structure is used for achieving the second purpose of the invention, and how to position pedals with different sizes. The hole site shapes of the pedals of different models are different, and the outlines are different, so that the positioning of a specific positioning device is difficult to realize. As mentioned above, the position of the pedal has a considerable precision requirement, the cooperation required to be operated for realizing the fixation after the positioning is completed is complex, the manual work required for assembly is more, and meanwhile, the sliding of the pedal is easy to be caused during the installation, so that the repositioning is required. The pedal is positioned in an automatic locking mode. The height of the fixed plate is adjustable, and corresponds to pedals with different hinge point heights. Wherein, first, the pedal finishes positioning on the fixed plate. The locker house is then lifted by the lifter. After the wedge block touches the fixing plate, the wedge block is turned outwards due to the shape of the wedge block, the other end of the wedge block is turned inwards, and the wedge block is upwards when inwards, so that the guide rail which is connected with the wedge block in a sliding way is driven to overcome the upward movement of the elastic part. When the wedge is not in contact with the fixed plate, the wedge is reset under the action of the elastic piece, the wedge reversely rotates, the guide rail moves downwards, and the wedge is buckled with the pedal to complete positioning. The locker shell is provided with a vertical guide groove, and the guide rail is provided with a guide insert matched with the guide groove. Because the voussoir is arranged in the left and right sides of footboard, the two synchronous motion can not produce extra effort to the footboard, can not make the footboard take place the skew, this structure can single operation, removes the loaded down with trivial details that needs many people complex.
Preferably, the locker shell is provided with a contact at the top of the movable space corresponding to the guide rail, the contact is electrically connected with the lifter, and the guide rail triggers the contact to control the state of the lifter.
The device adopts automatic control, after the wedge blocks reach the travel limit, the guide rail moves up to the limit position in the locker shell, the contacts are also arranged at the corresponding positions, and when the positions are reached, the situation that the lifter is in place is indicated, and the lifter does not need to move continuously. The structure is suitable for pedals with different hinge point heights, the rising position from the zero position is avoided from being accurately calculated, and the automatic positioning can be realized by automatically controlling the stop through the contact.
Preferably, the top of the wedge is provided with a handle block. When the test is completed, the pedal is required to be detached from the locker, the handle block can be shifted outwards, and the release limit is realized.
The locking method of the multifunctional pedal fatigue performance test bench comprises the steps of:
(1) Controlling the locker housing to be in a zero position;
(2) Placing the pedal on the fixed plate;
(3) Controlling the shell of the locker to ascend;
(4) The lock catch is abutted against the fixed plate to turn over;
(5) The guide rail rises to trigger the contact;
(6) The contact is separated from the guide rail;
(7) The contact controls the lifter to stop;
the step of releasing the pedal comprises:
(1) Controlling the lock catch to turn to a travel limit and maintaining the action X time;
(2) The guide rail triggers the lifter to correspond to the time of X;
(3) The lifter receives the signal and resets the locker housing to a zero position.
Preferably, X is 5 seconds.
The steps are simple, and the design purpose of single person operation positioning can be achieved.
Compared with the prior art, the invention has the beneficial effects that: (1) In the fatigue detection process, the electrical performance is monitored in addition to the detection of the mechanical structure, so that the fatigue detection process is more comprehensive; (2) The rotating shaft of the connecting rod is coaxial with the hinging shaft of the pedal, so that the stress direction of the pedal is vertical to the pedal surface, and the actual stress condition of the pedal can be simulated; (3) The locker automatically locks the pedal to realize accurate positioning of the pedal, so that single-person operation is possible.
Drawings
FIG. 1 is a schematic illustration of the present invention;
FIG. 2 is a schematic view of the locker of the present invention;
In the figure:
The device comprises a shell 1, a connecting rod 2, a pressure sensor 3, a voltage sensor 4, a switchboard 5, a rotating end 6, a free end 7, a pedal 8, a long hole 9, a positioner 10, a fixing plate 11, a locker shell 12, a lock catch 13, a wedge block 14, a guide rail 15, an elastic piece 16, a guide insert 17, a guide groove 18, a contact 19 and a handle block 20.
Detailed Description
The disclosure is further described below with reference to the drawings and examples.
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
In the present disclosure, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, are merely relational terms determined for convenience in describing structural relationships of the various components or elements of the present disclosure, and do not denote any one of the components or elements of the present disclosure, and are not to be construed as limiting the present disclosure.
In the present disclosure, terms such as "fixedly coupled," "connected," and the like are to be construed broadly and refer to either a fixed connection or an integral or removable connection; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the terms in the disclosure may be determined according to circumstances, and should not be interpreted as limiting the disclosure, for relevant scientific research or a person skilled in the art.
Example 1:
a multifunctional pedal 8 fatigue performance test bench, as shown in figure 1, comprises
The casing 1, the bottom of casing 1 is equipped with the buffering callus on the sole that reduces vibrations.
A positioning table which positions the pedal 8. The positioning table is connected to the shell 1 in a lifting manner, a positioner 10 is arranged on the rotating end 6 of the connecting rod 2, and light rays emitted by the positioner 10 form light spots on the pedal 8 to assist the pedal 8 in positioning. For the aforementioned "the rotation end 6 is coaxial with the hinge point of the pedal 8", a certain error is brought by visual inspection, and here, a positioner 10 capable of emitting positioning laser is provided, and alignment of the positioner 10 with a specific position on the pedal 8 indicates that positioning of the pedal 8 in the length direction has been completed.
Connecting rod 2, connecting rod 2 are equipped with rotation end 6 and free end 7, and rotation end 6 is coaxial with the pin joint of footboard 8. In order to simulate the motion of the feet, the rotating shaft of the connecting rod 2 is coaxial with the hinging point of the pedal 8, so that the pressure direction of the voltage sensor 4 is always in the tangential direction of the rotating path of the pedal 8, the stress direction of the pedal 8 is ensured to be perpendicular to the surface of the pedal 8, and the stress condition of the actual pedal 8 can be simulated.
A driver which drives the link 2.
The pressure sensor 3 is adjustably connected to the connecting rod 2, the connecting rod 2 is provided with a long hole 9 arranged along the length direction, the pressure sensor 3 is detachably connected to the connecting rod 2 through a fastener, and the detection direction of the pressure sensor 3 faces the pedal 8 and is arranged along the length direction of the connecting rod 2. The adjustable in the foregoing refers to that the pressure sensor 3 can be positioned at different length positions of the connecting rod 2, so as to simulate the situation that pedals with different sizes are arranged on the pedal 8, and the detection end of the pressure sensor 3 is always opposite to the pedal 8 due to the fact that the rotating end 6 is coaxial with the hinging point of the pedal 8 in the foregoing. The structure can avoid the situation that the force component in other directions cannot be counted into the pressure sensor 3, so that the force component cannot be actually measured.
A voltage sensor 4 electrically connected to the pedal under test 8.
A switchboard 5;
The connecting rod 2 swings and enables the pressure sensor 3 to abut against the pedal 8, and the switchboard 5 receives signals of the pressure sensor 3 and the voltage sensor 4; the switchboard 5 is electrically connected to the drives. The switchboard 5 is electrically and mechanically connected with the driver, controls the driver to output a specified number of rotations and a travel with a specified depth, and gathers corresponding data, voltage and pressure. .
The pedal 8 during testing is electrically connected with a power supply port, and the output end of the pedal 8 is connected with a voltmeter. The pressure sensor 3 is electrically connected with a pressure meter, and the pressure meter and the voltmeter are connected with the switchboard 5 through a digital quantity transmitter.
The device detects fatigue degree by pressing the movable end of the pedal 8 through the pressure sensor 3. During detection, the signal of the pressure sensor 3 and the voltage signal output by the pedal 8 are output to the switchboard 5, namely a computer. The driver is three stepping motors, the driver is controlled by a PLC, the rotating speed and the stroke of the motors can be controlled, and the swinging of the connecting rod 2 simulates the movement of human feet. The information is summarized to a calculator to generate a corresponding curve, so that the synchronous relation between the stroke and the voltage after the fatigue test can be obtained, whether the output signal of the pedal 8 is kept linear or not is detected, and the synchronization with the test is kept. The structure can detect whether the stroke and the pressure are normally represented after the fatigue test, whether the relation between the stroke and the voltage is consistent in the front and the back, whether the foot feeling is consistent, whether the foot feeling is loose or not, whether the pedal 8 is damaged or not can be analyzed through a real-time stress curve of the pedal 8, and the damage form and the failure state of the pedal 8 can be known accordingly.
Because the driver is controlled by the PLC, various running states can be realized, and the driver can be suitable for the requirements of different test projects of the pedal 8, so that the test stroke and the force of the pedal 8 can be adjusted. A counter coupled to the actuator or linkage 2 records the number of trials of the pedal 8.
Example 2:
The present embodiment also has the following structure on the basis of embodiment 1:
As shown in fig. 2, the positioning table comprises a fixing plate 11 and a locker, the locker is connected to the shell 1 in a lifting manner, the locker comprises a locker shell 12 which is lifted by the lifter and two lock catches 13 which are respectively positioned at the left side and the right side of the pedal 8, the lock catches 13 are hinged to the shell 1, wedge blocks 14 are arranged on the lock catches 13, the wedge blocks 14 are abutted against the fixing plate 11 to enable the lock catches 13 to overturn, one end of the lock catches 13, which is far away from the wedge blocks 14, is slidably connected in a guide rail 15 which is arranged in the horizontal direction, the guide rail 15 vertically slides in the locker shell 12, and an elastic piece 16 is arranged between the guide rail 15 and the top of the locker shell 12. The locker house 12 is provided with a contact 19 at the top of the movable space corresponding to the guide rail 15, the contact 19 is electrically connected with the lifter, and the guide rail 15 triggers the contact 19 to control the lifter state.
The device adopts automatic control, after the wedge 14 reaches the travel limit, the guide rail 15 moves up to the limit position in the locker house 12, and the contact 19 is also arranged at a corresponding position, and when the position is reached, the condition that the lifter is in place does not need to move continuously is indicated. The structure is suitable for pedals 8 with different hinge point heights, the rising position from the zero position is avoided from being accurately calculated, and the automatic positioning can be realized by automatically controlling the stop through the contact 19.
The present structure is for achieving the second object of the present invention, how to position the pedals 8 of various sizes and models. The different hole site shapes and different outlines of the pedals 8 of different models lead to difficulty in realizing positioning by a specific positioning device. As mentioned above, the position of the pedal 8 is required to have a considerable precision, the cooperation required for operation to achieve the fixing after the positioning is completed is complex, the labor required for assembly is more, and meanwhile, the sliding of the pedal 8 is very easy to cause during the installation, so that the repositioning is required. The present structure employs an automatic locking mode to position the pedal 8. The height of the fixing plate 11 is adjustable, corresponding to pedals 8 with different hinge point heights. Wherein, first, the pedal 8 is positioned on the fixing plate 11. The locker house 12 is then lifted by the lifter. After the wedge block 14 hits the fixing plate 11, the wedge block 14 turns over due to the shape of the wedge block 14, the other end of the wedge block 14 turns inwards, and the wedge block 14 drives the guide rail 15 slidingly connected with the wedge block to move upwards against the elastic piece 16 while inwards. When the wedge block 14 is not in contact with the fixing plate 11, the wedge block 14 is reset under the action of the elastic piece 16, the wedge block 14 reversely rotates, the guide rail 15 moves downwards, and the wedge block 14 is buckled with the pedal 8 to complete positioning. The locker housing is provided with a vertical guide slot 18, and the guide rail is provided with a guide insert 17 adapted to the guide slot 18. Because the wedge block 14 is arranged on the left side and the right side of the pedal 8, the two synchronous motions can not generate additional acting force on the pedal 8 and can not cause the pedal 8 to deviate, the structure can be operated by a single person, and the complex operation of a plurality of persons is avoided.
The top of the wedge 14 is provided with a handle block 20. When the test is completed and the pedal 8 needs to be detached from the locker, the handle block 20 can be shifted outwards, so that the release limit is realized.
The locking method of the multifunctional pedal 8 fatigue performance test bench comprises the steps of:
(1) Controlling the locker house 12 to be in the zero position;
(2) Placing the pedal 8 on the fixed plate 11;
(3) Controlling the locker house 12 to ascend;
(4) The lock catch 13 is abutted against the fixed plate 11 to turn over;
(5) The guide rail 15 lifts the trigger contact 19;
(6) The contact 19 is disengaged from the rail 15;
(7) The contact 19 controls the lifter to stop;
The step of releasing the pedal 8 comprises:
(1) The control lock catch 13 turns over to the stroke limit and maintains the action for 5 seconds;
(2) The guide rail 15 triggers the lifter for 5 seconds;
(3) The lifter receives the signal and resets the locker house 12 to the zero position.
Further, between the locking steps 6, 7 there is also: the locker house 12 is lowered until the contact 19 again contacts the rail 15 and the elevator is stopped. The step of releasing the pedal 8 further has a step (0) before (1): the locker house 12 is raised to the limit of travel, i.e. the top is brought into engagement with the fixing plate 11, by means of a push button or other means.
The above-described embodiments are merely preferred embodiments of the present invention, and the present invention is not limited in any way, and other variations and modifications may be made without departing from the technical aspects set forth in the claims.
Claims (10)
1. A multifunctional pedal fatigue performance test board is characterized by comprising
A housing;
a positioning table for positioning the pedal;
A connecting rod; the connecting rod is provided with a rotating end which is coaxial with the hinging point of the pedal;
a driver that drives the link;
the pressure sensor is adjustably connected to the connecting rod;
A voltage sensor electrically connected to the pedal under test; the connecting rod is provided with long holes arranged along the length direction, so that the pressure sensor can be positioned at different length positions of the connecting rod;
A switchboard;
The connecting rod swings and enables the pressure sensor to abut against the pedal, and the switchboard receives signals of the pressure sensor and the voltage sensor;
The locating table comprises a fixing plate and a locker, wherein the locker is connected to the shell in a lifting manner, the locker comprises a locker shell which is lifted through the lifter and two locks which are used for respectively locating the left side and the right side of the pedal, the locks are hinged to the shell, wedge blocks are arranged on the locks, the wedge blocks are abutted to the fixing plate to enable the locks to turn over, one ends of the locks, which are far away from the wedge blocks, are connected in a guide rail which is arranged along the horizontal direction in a sliding manner, and an elastic piece is arranged between the guide rail and the top of the locker shell.
2. The multifunctional pedal fatigue performance test stand according to claim 1, wherein the connecting rod is provided with a free end.
3. The multifunctional pedal fatigue performance test stand according to claim 1, wherein the pressure sensor is detachably connected to the connecting rod via a fastener, and the detection direction of the pressure sensor faces the pedal and is arranged in a direction normal to the length direction of the connecting rod.
4. The multi-purpose pedal fatigue performance test stand of claim 1 wherein the switchboard is electrically connected to the drive.
5. The multifunctional pedal fatigue performance test bench according to claim 1, wherein the positioning bench is connected to the shell in a lifting manner, a positioner is arranged on the rotating end of the connecting rod, and light rays emitted by the positioner form light spots on the pedal to assist pedal positioning.
6. A multi-purpose pedal fatigue performance testing platform according to any of claims 1 to 5, wherein the rail slides vertically within the locker housing.
7. The multifunctional pedal fatigue performance test stand according to claim 6, wherein the locker housing is provided with a contact at the top of the movable space corresponding to the guide rail, the contact is electrically connected with the lifter, and the guide rail triggers the contact to control the state of the lifter.
8. The multifunctional pedal fatigue performance test stand of claim 6, wherein the top of the wedge is provided with a handle block.
9. A method of locking a multi-functional pedal fatigue property test stand comprising the multi-functional pedal fatigue property test stand of claim 7, the step of locking comprising:
(1) Controlling the locker housing to be in a zero position;
(2) Placing the pedal on the fixed plate;
(3) Controlling the shell of the locker to ascend;
(4) The lock catch is abutted against the fixed plate to turn over;
(5) The guide rail rises to trigger the contact;
(6) The contact is separated from the guide rail;
(7) The contact controls the lifter to stop;
the step of releasing the pedal comprises:
(1) Controlling the lock catch to turn to a travel limit and maintaining the action X time;
(2) The guide rail triggers the lifter to correspond to the time of X;
(3) The lifter receives the signal and resets the locker housing to a zero position.
10. The method for locking a multifunctional pedal fatigue property test-bed according to claim 9, wherein X is 5 seconds.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110667626.8A CN113514256B (en) | 2021-06-16 | 2021-06-16 | Multifunctional pedal fatigue performance test board and locking method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110667626.8A CN113514256B (en) | 2021-06-16 | 2021-06-16 | Multifunctional pedal fatigue performance test board and locking method thereof |
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| CN113514256A CN113514256A (en) | 2021-10-19 |
| CN113514256B true CN113514256B (en) | 2024-05-31 |
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