CN116256159A - Endurance test device for simulating manual treading and test method thereof - Google Patents
Endurance test device for simulating manual treading and test method thereof Download PDFInfo
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- CN116256159A CN116256159A CN202310016140.7A CN202310016140A CN116256159A CN 116256159 A CN116256159 A CN 116256159A CN 202310016140 A CN202310016140 A CN 202310016140A CN 116256159 A CN116256159 A CN 116256159A
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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
- G01M13/00—Testing of machine parts
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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 relates to the technical field of test devices and discloses a endurance test device for simulating manual stepping and a test method thereof.
Description
Technical Field
The invention relates to the technical field of test devices, in particular to a endurance test device for simulating manual treading.
Background
The acting force durability of the product parts (especially the products frequently subjected to manual treading) is an important basis for the stability and reliability of the products, especially the key switches or ground products used under the environments of frequent treading, pressing and the like, once the durability is disqualified, safety accidents are easily caused, the existing stress durability of the product parts frequently treaded on automobiles is mainly developed through a manual treading method, testers need to repeatedly tread actions, the work is monotonous and the workload is large, the defects of low test efficiency and high labor cost exist, and meanwhile, the treading force of each time is inconsistent during manual treading, so that the test precision is poor.
Disclosure of Invention
The invention aims to solve the technical problem of providing the endurance test device for simulating manual treading, which does not need manual operation, ensures consistent treading pressure of a test sample each time and has high test efficiency.
In order to achieve the above purpose, the invention provides a endurance test device for simulating manual stepping, which comprises a movable workbench, a telescopic rod, an angle adjusting mechanism, an air cylinder, a stepping plate and a controller, wherein one end of the telescopic rod is connected with the top of the movable workbench, the other end of the telescopic rod is connected with one end of the air cylinder through the angle adjusting mechanism, the angle adjusting mechanism is used for adjusting the angle between the air cylinder and the telescopic rod, the other end of the air cylinder is provided with a stepping block fixedly connected with a piston rod of the air cylinder, the stepping block is provided with a pressure sensor for detecting the pressure of a piston rod of the air cylinder to the stepping block, the air cylinder is connected with an electromagnetic valve for controlling the action of an output shaft of the air cylinder, and the controller is arranged on the movable workbench and is respectively electrically connected with the electromagnetic valve and the pressure sensor.
As the preferable scheme of the invention, the test device further comprises a fixed seat and a fixed rod, wherein one side of the fixed seat is provided with a plurality of fixing holes distributed in a matrix manner, one end of the fixed rod is provided with a fixed block, the fixed block is provided with a fixed column matched with the fixing holes, and the other end of the fixed rod is provided with a fixed plate.
As a preferable scheme of the invention, the included angle between the fixed plate and the horizontal plane is 30-45 degrees.
As a preferable scheme of the invention, the angle adjusting mechanism comprises a rotating shaft, the end part of the air cylinder is provided with a rotating seat which is rotationally connected with the rotating shaft, two ends of the rotating shaft are respectively provided with a limiting disc, the limiting discs are provided with arc grooves, the circle centers of the arc grooves are positioned on the axis of the rotating shaft, the side part of the air cylinder is connected with a fixing frame, the fixing frame is provided with a locking bolt, the locking bolt penetrates through the arc grooves, and the locking bolt is connected with the limiting discs through locking nuts.
As a preferable scheme of the invention, the telescopic rod comprises an outer pipe and an inner pipe, wherein the outer pipe is fixedly connected with the movable workbench, the inner pipe is slidably inserted into the outer pipe, the inner pipe is fixedly connected with the air cylinder, a locking piece is connected with the side part of the outer pipe in a threaded manner, and the locking piece penetrates through the side part of the outer pipe and abuts against the side part of the inner pipe.
As a preferable scheme of the invention, the movable workbench is provided with a supporting rod capable of being adjusted in a lifting manner.
As a preferable scheme of the invention, the bottom of the movable workbench is provided with a plurality of universal rollers 12 with brake mechanisms.
Meanwhile, the invention also provides a test method of the endurance test device, which comprises the following steps:
s1: the position of the movable workbench is adjusted, so that a test sample is arranged below the pedal block, and then the position of the air cylinder is adjusted through the telescopic rod and the angle adjusting mechanism, so that the bottom surface of the pedal block is parallel to the top surface of the test sample;
s2: the controller controls the electromagnetic valve to enable a piston rod of the air cylinder to extend until the pressure value detected by the pressure sensor reaches the treading pressure required by the test;
s3: the state of the air cylinder is kept unchanged until the trampling time required by the test is reached;
s4: the controller controls the electromagnetic valve to enable a piston rod of the air cylinder to shrink until the pressure value detected by the pressure sensor is zero;
s5: the controller adds one to the accumulated test times;
s6: and the controller checks whether the test times reach the total test times or not, if not, the S2-S5 is repeated, and if so, the test is completed.
As a preferable scheme of the invention, in S6, if the test times do not reach the total test times but reach the set test times, the controller prompts the tester to carry out the test equipment and the test sample, and after the test is completed, the steps of S2-S5 are repeated.
Compared with the prior art, the endurance test device for simulating manual treading and the test method thereof have the beneficial effects that: the length of the telescopic rod is adjusted, the angle of the air cylinder is adjusted through the angle adjusting structure, the position of the air cylinder can be adjusted to adjust the position of the treading block, the telescopic rod and the angle adjusting structure are matched, so that the position of the treading block has a wide adjusting range, the treading block is conveniently adjusted to be positioned above the test sample, meanwhile, the bottom surface of the treading block is ensured to be parallel to the top surface of the test sample, the air cylinder drives the treading block to press the test sample, manual treading can be simulated, and the test efficiency is high; when the piston rod of the air cylinder stretches to enable the pedal block to press down the test sample, the pressure sensor can detect the pressure of the piston rod to the pedal block, the pressure sensor is equivalent to the pedal force of the pedal block to the test sample, the piston rod of the air cylinder can be controlled through the electromagnetic valve to maintain the preset output pressure, the pedal pressure and the pedal time of each pedal test are ensured to be consistent, and the test result is more accurate.
Drawings
FIG. 1 is a block diagram of a endurance test apparatus for simulating manual pedaling provided by the present invention;
FIG. 2 is a diagram showing the connection structure of the angle adjusting mechanism and the cylinder according to the present invention;
FIG. 3 is a view showing another angle connection structure of the angle adjusting mechanism and the cylinder according to the present invention;
in the figure, 1, a movable workbench; 11. a support rod; 12. a universal roller; 2. a telescopic rod; 21. an outer tube; 22. an inner tube; 23. a locking member; 3. an angle adjusting mechanism; 31. a rotating shaft; 32. a limiting disc; 321. an arc-shaped groove; 4. a cylinder; 41. a rotating seat; 42. a fixing frame; 43. a locking bolt; 44. a lock nut; 5. stepping on the pedal; 51. testing the sample; 6. a controller; 7. a pressure sensor; 8. a fixing seat; 9. a fixed rod; 91. a fixed block; 92. and a fixing plate.
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
In the description of the present invention, it should be understood that the terms "center," "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the present invention as indicated by the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention, and furthermore, the terms "first," "second," "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1, a endurance test device simulating manual stepping according to a preferred embodiment of the present invention includes a mobile workbench 1, a telescopic rod 2, an angle adjusting mechanism 3, a cylinder 4, a pedal 5 and a controller 6, one end of the telescopic rod 2 is connected with the top of the mobile workbench 1, the other end of the telescopic rod 2 is connected with one end of the cylinder 4 through the angle adjusting mechanism 3, the angle adjusting mechanism 3 is used for adjusting the angle between the cylinder 4 and the telescopic rod 2, the other end of the cylinder 4 is provided with a stepping block fixedly connected with a piston rod of the cylinder 4, the stepping block is provided with a pressure sensor 7 for detecting the pressure of the piston rod of the cylinder 4 on the stepping block, the cylinder 4 is connected with an electromagnetic valve 61 for controlling the action of an output shaft of the cylinder 4, the controller 6 is arranged on the mobile workbench 1, the controller 6 is respectively electrically connected with the electromagnetic valve 61 and the pressure sensor 7, in this embodiment, the mobile workbench 1 is further provided with a power supply connected with the controller 6, the controller 6 includes a single-chip microcomputer controller 6, a relay and a display, the single-chip microcomputer controller 6 is electrically connected with the electromagnetic valve 61, and the display 6 is electrically connected with the single-chip microcomputer controller 6.
The working principle of the embodiment is as follows: the length of the telescopic rod 2 is adjusted, the angle of the air cylinder 4 is adjusted through the angle adjusting structure, the position of the air cylinder 4 can be adjusted to adjust the position of the treading block, the telescopic rod 2 and the angle adjusting structure are matched, so that the position of the treading block has a wide adjusting range, the treading block is conveniently adjusted to be positioned above the test sample 51, meanwhile, the bottom surface of the treading block is ensured to be parallel to the top surface of the test sample 51, the air cylinder 4 drives the treading block to press the test sample 51, manual treading can be simulated, and the test efficiency is high; when the piston rod of the cylinder 4 stretches to enable the pedal block to press the test sample 51, the pressure sensor 7 can detect the pressure of the piston rod to the pedal block, which is equivalent to the pedal force of the pedal block to the test sample 51, and the piston rod of the cylinder 4 can be controlled by the electromagnetic valve 61 to maintain the preset output pressure, so that the pedal pressure and the pedal time of each pedal test are consistent, and the test result is more accurate.
The test device further comprises a fixing seat 8 and a fixing rod 9, wherein a plurality of fixing holes which are distributed in a matrix are formed in one side of the fixing seat 8, a fixing block 91 is arranged at one end of the fixing rod 9, fixing columns which are matched with the fixing holes are arranged on the fixing block 91, the fixing columns can be arranged in a plurality, the fixing block 91 is more firmly connected with the fixing seat 8, a fixing plate 92 is arranged at the other end of the fixing rod 9, the test sample 51 is fixed on the fixing plate 92, if the fixing columns are fixed through bolts, the fixing positions of the fixing rods 9 can be adjusted, the position of the test sample 51 is adjusted, the test sample is connected with the fixing seat 8 through the fixing rod 9, and the fixing seat 8 is arranged to prevent the test sample 51 from shifting when being pressed.
For example, the included angle between the fixing plate 92 and the horizontal plane is 30 ° to 45 °, so that the test sample 51 is in an inclined state after being fixed on the fixing plate 92, when the pedal 5 presses down the test sample 51, the stress of the fixing plate 92 in the vertical direction can be reduced, and the possibility of stress fracture of the fixing rod 9 is reduced.
2-3, the angle adjusting mechanism 3 includes a rotating shaft 31, a rotating seat 41 rotatably connected with the rotating shaft 31 is disposed at an end of the air cylinder 4, so as to realize a rotatable adjusting angle of the air cylinder 4, a limiting disc 32 is disposed at two ends of the rotating shaft 31, an arc groove 321 is disposed on the limiting disc 32, a center of the arc groove 321 is located on an axis of the rotating shaft 31, a fixing frame 42 is connected to a side portion of the air cylinder 4, a locking bolt 43 is disposed on the fixing frame 42, the locking bolt 43 penetrates through the arc groove 321, and the locking bolt 43 is connected with the limiting disc 32 through a locking nut 44, when the locking nut 44 is tightened, the locking nut 44 compresses the limiting disc, so that the limiting disc 32 and the fixing frame 42 cannot rotate relatively, locking positioning of the air cylinder 4 is realized, and after the locking nut 44 is loosened, the locking bolt 43 slides relatively in the arc groove 321 when the angle of the air cylinder 4 is adjusted.
Illustratively, the telescopic rod 2 includes an outer tube 21 and an inner tube 22, the outer tube 21 is fixedly connected with the mobile workbench 1, the inner tube 22 is slidably inserted in the outer tube 21, the telescopic adjustment of the telescopic rod 2 is achieved by slidably adjusting the relative positions of the inner tube 22 and the outer tube 21, the inner tube 22 is fixedly connected with the cylinder 4, a locking member 23 is in threaded connection with the side portion of the outer tube 21, the locking member 23 penetrates through the side portion of the outer tube 21 and abuts against the side portion of the inner tube 22, at this time, the locking member 23 limits the sliding of the inner tube 22, so that the telescopic rod 2 is in a locked state, and after the locking member 23 is released, the telescopic rod 2 can be freely telescopic adjusted.
Illustratively, the movable table 1 is provided with a supporting rod 11 which can be adjusted in a lifting manner, and the height of the movable table 1 can be adjusted by adjusting the height of the supporting rod 11, so that the height of the air cylinder 4 can be adjusted to test the test samples 51 with different heights, thereby improving applicability, and it is understood that the supporting rod 11 is provided with a locking mechanism to prevent the supporting rod 11 from being adjusted in a lifting manner at will.
Illustratively, the bottom of the movable table 1 is provided with a plurality of universal rollers 12 with brake mechanisms so as to movably adjust the position of the movable table 1, and the brake mechanisms on the universal rollers 12 can fix the rollers, so that the movable table 1 cannot displace during the test.
Meanwhile, the invention also provides a test method of the endurance test device, which comprises the following steps:
s1: the position of the movable workbench 1 is regulated so that the test sample 51 is arranged below the treading block, and then the position of the air cylinder 4 is regulated through the telescopic rod 2 and the angle regulating mechanism 3, namely the length of the telescopic rod 2 and the angle between the air cylinder 4 and the telescopic rod 2 are regulated through the angle regulating mechanism 3, so that the bottom surface of the treading block is parallel to the top surface of the test sample 51;
s2: the controller 6 controls the solenoid valve 61 so that the piston rod of the cylinder 4 is extended until the pressure value detected by the pressure sensor 7 reaches the stepping pressure required for the test;
s3: the state of the air cylinder 4 is kept unchanged until the trampling time required by the test is reached;
s4: the controller 6 controls the solenoid valve 61 so that the piston rod of the cylinder 4 is contracted until the pressure value detected by the pressure sensor 7 is zero;
s5: the controller 6 adds one to the accumulated test times;
s6: the controller 6 checks whether the number of trials reaches the total number of trials, if not, repeats S2-S5, and if so, completes the trial.
For example, in S6, if the test number does not reach the total test number, but reaches the set test number, the controller 6 prompts the tester to check the test device and the test sample 51, if the total test number is 100, the test number may be 50, and after the 50 th test is completed, the tester is required to check the test device and the test sample 51, for example, a prompt light and a buzzer electrically connected to the controller 6 may be provided to prompt the tester, if the test device is found to have a problem, the process is performed in time, and after the test is completed, S2-S5 are repeated to ensure that the test is completed successfully.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present invention, and these modifications and substitutions should also be considered as being within the scope of the present invention.
Claims (9)
1. The utility model provides a simulation manual stepping's endurance test device which characterized in that: including moving the workstation, telescopic link, angle adjustment mechanism, cylinder, trample and controller, the one end of telescopic link with moving the top of workstation and being connected, the other end of telescopic link passes through angle adjustment mechanism with the one end of cylinder is connected, angle adjustment mechanism is used for adjusting the cylinder with angle between the telescopic link, the other end of cylinder be equipped with the piston rod fixed connection of cylinder trample the piece, trample and be equipped with on the piece and be used for detecting the piston rod of cylinder is right trample the pressure sensor of the pressure of piece, the cylinder is connected with the solenoid valve that is used for controlling the output shaft action of cylinder, the controller is located moving on the workstation, the controller respectively with the solenoid valve with the pressure sensor electricity is connected.
2. The endurance test apparatus for simulating manual pedaling as claimed in claim 1, wherein: still include fixing base and dead lever, one side of fixing base is equipped with a plurality of fixed orifices that are matrix distribution, the one end of dead lever is equipped with the fixed block, the fixed block be equipped with fixed hole complex fixed column, the other end of dead lever is equipped with the fixed plate.
3. The endurance test apparatus for simulating manual pedaling as claimed in claim 2, wherein: the included angle between the fixed plate and the horizontal plane is 30-45 degrees.
4. The endurance test apparatus for simulating manual pedaling as claimed in claim 1, wherein: the angle adjusting mechanism comprises a rotating shaft, the end part of the air cylinder is provided with a rotating seat which is rotationally connected with the rotating shaft, two ends of the rotating shaft are respectively provided with a limiting disc, each limiting disc is provided with an arc-shaped groove, the circle center of each arc-shaped groove is located on the axis of the rotating shaft, the side part of the air cylinder is connected with a fixing frame, a locking bolt is arranged on the fixing frame, the locking bolt penetrates through each arc-shaped groove, and the locking bolt is connected with the limiting disc through a locking nut.
5. The endurance test apparatus for simulating manual pedaling as claimed in claim 1, wherein: the telescopic rod comprises an outer pipe and an inner pipe, the outer pipe is fixedly connected with the movable workbench, the inner pipe is slidably inserted into the outer pipe, the inner pipe is fixedly connected with the air cylinder, locking pieces are connected with the side portions of the outer pipe in a threaded mode, and penetrate through the side portions of the outer pipe and abut against the side portions of the inner pipe.
6. The endurance test apparatus for simulating manual pedaling as claimed in claim 1, wherein: the movable workbench is provided with a supporting rod capable of being adjusted in a lifting mode.
7. The endurance test apparatus for simulating manual pedaling as claimed in claim 1, wherein: the bottom of the movable workbench is provided with a plurality of universal rollers 12 with brake mechanisms.
8. The test method of the endurance test apparatus simulating manual pedaling according to claim 1, wherein: the method comprises the following steps:
s1: the position of the movable workbench is adjusted, so that a test sample is arranged below the pedal block, and then the position of the air cylinder is adjusted through the telescopic rod and the angle adjusting mechanism, so that the bottom surface of the pedal block is parallel to the top surface of the test sample;
s2: the controller controls the electromagnetic valve to enable a piston rod of the air cylinder to extend until the pressure value detected by the pressure sensor reaches the treading pressure required by the test;
s3: the state of the air cylinder is kept unchanged until the trampling time required by the test is reached;
s4: the controller controls the electromagnetic valve to enable a piston rod of the air cylinder to shrink until the pressure value detected by the pressure sensor is zero;
s5: the controller adds one to the accumulated test times;
s6: and the controller checks whether the test times reach the total test times or not, if not, the S2-S5 is repeated, and if so, the test is completed.
9. The test method of the endurance test apparatus simulating manual pedaling according to claim 8, wherein: in S6, if the test times do not reach the total test times but reach the set test times, the controller prompts the testers to check the equipment and the test samples, and after the test is completed, the steps S2-S5 are repeated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310016140.7A CN116256159A (en) | 2023-01-09 | 2023-01-09 | Endurance test device for simulating manual treading and test method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310016140.7A CN116256159A (en) | 2023-01-09 | 2023-01-09 | Endurance test device for simulating manual treading and test method thereof |
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| CN116256159A true CN116256159A (en) | 2023-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310016140.7A Pending CN116256159A (en) | 2023-01-09 | 2023-01-09 | Endurance test device for simulating manual treading and test method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117419916A (en) * | 2023-11-12 | 2024-01-19 | 山东宝德龙健身器材有限公司 | Stability and fatigue test device for fitness equipment |
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2023
- 2023-01-09 CN CN202310016140.7A patent/CN116256159A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117419916A (en) * | 2023-11-12 | 2024-01-19 | 山东宝德龙健身器材有限公司 | Stability and fatigue test device for fitness equipment |
| CN117419916B (en) * | 2023-11-12 | 2024-03-19 | 山东宝德龙健身器材有限公司 | Stability and fatigue test device for fitness equipment |
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