CN115420488A - Buffer block rigidity test system and method, upper computer and medium - Google Patents
Buffer block rigidity test system and method, upper computer and medium Download PDFInfo
- Publication number
- CN115420488A CN115420488A CN202211062489.6A CN202211062489A CN115420488A CN 115420488 A CN115420488 A CN 115420488A CN 202211062489 A CN202211062489 A CN 202211062489A CN 115420488 A CN115420488 A CN 115420488A
- Authority
- CN
- China
- Prior art keywords
- test
- buffer block
- deformation
- rigidity
- hydraulic actuator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 111
- 238000000034 method Methods 0.000 title claims description 16
- 238000010998 test method Methods 0.000 claims abstract description 10
- 239000000725 suspension Substances 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000005070 sampling Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 description 11
- 230000002093 peripheral effect Effects 0.000 description 7
- 238000004891 communication Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000013473 artificial intelligence Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000004590 computer program Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 230000000644 propagated effect Effects 0.000 description 2
- 238000012356 Product development Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000010801 machine learning Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000005055 memory storage Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a buffer block rigidity test system, a buffer block rigidity test method, an upper computer and a medium, belongs to the technical field of automobile part tests, and comprises a portal frame and a tailstock which are arranged on a flexible bottom plate, wherein a support frame is arranged on one side of the tailstock, a hydraulic actuator is fixed in the middle of the portal frame, an execution end of the hydraulic actuator is hinged with one end of a linear guide rail, the linear guide rail can move along the support frame, an upper clamp assembly is fixed at the other end of the linear guide rail, a test sample is arranged on the upper clamp assembly, and a lower clamp matched with the upper clamp assembly is arranged on the flexible bottom plate. The rigidity of the buffer block can be tested, and the correlation between the rigidity and the comfort of the whole vehicle is mastered; the invention mainly comprises a hydraulic actuator, a tailstock, a gantry, a linear bearing, a test fixture and the like, has simple operation, greatly reduces the test cost, and has strong flexibility, strong universality and low cost.
Description
Technical Field
The invention discloses a buffer block rigidity test system and method, an upper computer and a medium, and belongs to the technical field of automobile part tests.
Background
The buffer block rigidity test method comprises the steps of building a test bench, installing a test sample, and acquiring and processing test data. Through reasonable clamp design and sample piece installation, the coaxiality of the loading device and the fixing device is ensured, and the test precision is improved; through convenient program design, different loads can be applied to obtain data of loads and displacements, a rigidity curve is drawn, the area formed by the curve and a coordinate axis is calculated, and compression work is obtained.
At present, the rigidity characteristic of the buffer block is related to the comfort of the whole vehicle, so the rigidity of the buffer block needs to be tested through a rack in the product development stage, but most of the rigidity tests of the buffer block are carried out at suppliers at present, a rigidity test bench customized abroad is adopted, the data processing process is not public, the test result is directly derived, and the test cost is very high.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a buffer block rigidity test system, a buffer block rigidity test method, an upper computer and a medium, which greatly reduce the test cost and have strong flexibility, thereby solving the problem of high cost of the buffer block rigidity test by adopting customized special equipment.
The technical scheme of the invention is as follows:
according to a first aspect of the embodiment of the invention, a buffer block rigidity test system is provided, which comprises a portal frame and a tailstock which are arranged on a flexible bottom plate, wherein a support frame is arranged on one side of the tailstock, a hydraulic actuator is fixed in the middle of the portal frame, an execution end of the hydraulic actuator is hinged to one end of a linear guide rail, the linear guide rail can move along the support frame, an upper clamp assembly is fixed at the other end of the linear guide rail, a test sample is arranged on the upper clamp assembly, and a lower clamp matched with the upper clamp assembly is arranged on the flexible bottom plate.
Preferably, go up the anchor clamps assembly and include the last anchor clamps of being connected with linear guide's the other end, go up anchor clamps and keep away from linear guide one end and be fixed with the suspension on the real car, wear to be equipped with the piston rod on the suspension on the real car, the cover is equipped with on the piston rod with the real car on suspension complex test sample, the anchor clamps top is equipped with down and cooperates the piston hole with the piston rod.
Preferably, a sliding groove is formed in one side of the tailstock, a bolt and nut assembly is arranged on one side of the support frame, the bolt can move in the sliding groove and can be matched with the nut to position the support frame on the tailstock.
Preferably, still include the host computer, host computer and hydraulic actuator electric connection.
According to a second aspect of the embodiments of the present invention, there is provided a method for testing stiffness of a buffer block, which is applied to the system for testing stiffness of a buffer block in the first aspect, and includes:
acquiring the free height of the test sample, executing a test program, sending a first test load instruction to the hydraulic actuator, and respectively acquiring the deformation of the first test load test sample;
sending a second test load instruction to the hydraulic actuator after 10min and respectively obtaining the deformation of a second test load test sample;
obtaining a relation curve of the test load and the deformation according to the deformation of the first test load test sample and the deformation of the second test load test sample;
and obtaining the compression work through the relation curve of the test load and the deformation.
Preferably, the first test load command comprises: the test specimens were loaded 3 times and unloaded 3 times, respectively, along the loading shaft axis at a loading rate of 200 mm/min.
Preferably, the second test load command comprises: the test specimen was loaded 1 time and unloaded 1 time, respectively, at a loading rate of 50mm/min along the loading shaft axis.
Preferably, the sampling frequency for acquiring the deformation of the first test load test sample and the deformation of the second test load test sample is 30 to 40Hz.
According to a third aspect of an embodiment of the present invention, there is provided an upper computer including:
one or more processors;
a memory for storing the one or more processor-executable instructions;
wherein the one or more processors are configured to:
the method of the first aspect of the embodiments of the present invention is performed.
According to a fourth aspect of embodiments of the present invention, there is provided a non-transitory computer-readable storage medium, wherein instructions, when executed by a processor of a terminal, enable the terminal to perform the method of the first aspect of embodiments of the present invention.
According to a fifth aspect of embodiments of the present invention, there is provided an application program product, which, when running on a terminal, causes the terminal to perform the method of the first aspect of embodiments of the present invention.
The invention has the beneficial effects that:
the invention provides a system and a method for testing the rigidity of a buffer block, an upper computer and a medium, which can realize the test of the rigidity of the buffer block and master the incidence relation between the rigidity and the comfort of a whole vehicle; the invention mainly comprises a hydraulic actuator, a tailstock, a gantry, a linear bearing, a test fixture and the like, has simple operation, greatly reduces the test cost, and has strong flexibility, strong universality and low cost.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Drawings
FIG. 1 is an isometric test chart illustrating a bump stop stiffness testing system according to an exemplary embodiment;
FIG. 2 is a partial isometric test view of a bump stop stiffness testing system according to an exemplary embodiment;
FIG. 3 is an enlarged view at A of a bumper stiffness test system according to an exemplary embodiment;
FIG. 4 is a graphical illustration of a test load versus deflection for a bumper stiffness test method in accordance with an exemplary embodiment;
FIG. 5 is a block diagram illustrating a schematic structure of a host computer according to an exemplary embodiment.
Wherein: the method comprises the following steps of 1-a flexible bottom plate, 2-a tailstock, 3-a linear guide rail, 4-an upper clamp, 5-a real vehicle upper suspension, 6-a piston rod, 7-a lower clamp, 8-a portal frame, 9-a hydraulic actuator, 10-a test sample and 11-a support frame.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
Fig. 1-2 are flow charts illustrating a buffer block stiffness testing system according to an exemplary embodiment, which includes a portal frame 8 and a tailstock 2 installed on a flexible substrate 1, a support frame 11 is installed on one side of the tailstock 2, a sliding slot is installed on one side of the tailstock 2, and a bolt and nut assembly is installed on one side of the support frame 11, wherein a bolt can move in the sliding slot and can position the support frame 11 on the tailstock 2 by increasing friction through matching with the nut.
The middle part of the portal frame 8 is fixed with a hydraulic actuator 9 through a bolt, the execution end of the hydraulic actuator 9 is hinged with one end of the linear guide rail 3, the linear guide rail 3 can move along the support frame 11, the other end of the linear guide rail 3 is fixed with an upper clamp assembly through a bolt, an upper clamp assembly is provided with a test sample 10, and a flexible bottom plate 1 is provided with a lower clamp 7 matched with the upper clamp assembly.
Wherein, above-mentioned anchor clamps assembly includes the last anchor clamps 4 with linear guide 3's other end threaded connection, goes up anchor clamps 4 and keeps away from 3 one end of linear guide and has suspension 5 on the real car through the bolt fastening, wears to be equipped with piston rod 6 on the suspension 5 on the real car, and the cover is equipped with on piston rod 6 with suspension 5 complex test sample 10 on the real car, and 7 tops of lower anchor clamps are equipped with and cooperate the piston hole with piston rod 6. Still include the host computer in this embodiment, host computer and hydraulic actuator 9 electric connection.
Example two
The second embodiment of the invention provides a buffer block rigidity test method on the basis of the first embodiment, the method is used in a terminal, and the method comprises the following steps:
step S10, acquiring the free height of a test sample 10, executing a test program, sending a first test load instruction to a hydraulic actuator 9, and respectively acquiring the deformation of the first test load test sample, wherein the first test load instruction comprises: the test specimens were loaded 3 times and unloaded 3 times, respectively, at a loading rate of 200mm/min along the loading shaft axis.
And S20, after 10min, sending a second test load instruction to the hydraulic actuator and respectively obtaining the deformation of a second test load test sample, wherein the second test load instruction comprises: the test specimens were loaded 1 time and unloaded 1 time, respectively, along the loading shaft axis at a loading rate of 50 mm/min.
And S30, obtaining a relation curve of the test load and the deformation according to the deformation of the first test load test sample and the deformation of the second test load test sample respectively, wherein the relation curve is shown in figure 4, and the sampling frequency for obtaining the deformation of the first test load test sample and the deformation of the second test load test sample is 30-40 Hz. (ii) a
And step S40, obtaining the compression work through a relation curve of the test load F and the deformation S.
The compression work W, i.e. the area of the shaded portion in fig. 4, is calculated: and exporting the test data to excel, equating the area of the shadow part to the area of a small trapezoid by utilizing an integral principle, and summing the areas of all the trapezoids to obtain the area of the shadow part. As long as the sampling frequency is large enough, the calculation error is small enough or even ignored, the result is consistent with the calculation result of foreign custom equipment through multiple rounds of test verification, and the data processing method is reasonable.
EXAMPLE III
Fig. 5 is a block diagram of a terminal according to an embodiment of the present application, where the terminal may be the terminal in the foregoing embodiment. The terminal may be a portable mobile terminal, such as: smart phones, tablet computers. A terminal may also be referred to by other names such as user equipment, portable terminal, etc.
Generally, a terminal includes: a processor and a memory.
The processor may include one or more processing cores, such as a 4-core processor, an 8-core processor, and so forth. The processor may be implemented in at least one hardware form of a DSP (Digital Signal Processing), an FPGA (Field-Programmable Gate Array), and a PLA (Programmable Logic Array). The processor may also include a main processor and a coprocessor, where the main processor is a processor for Processing data in an awake state, and is also called a Central Processing Unit (CPU); a coprocessor is a low power processor for processing data in a standby state. In some embodiments, the processor may be integrated with a GPU (Graphics Processing Unit) that is responsible for rendering and drawing the content that the display screen needs to display. In some embodiments, the processor may further include an AI (Artificial Intelligence) processor for processing computing operations related to machine learning.
The memory may include one or more computer-readable storage media, which may be tangible and non-transitory. The memory may also include high speed random access memory, as well as non-volatile memory, such as one or more magnetic disk storage devices, flash memory storage devices. In some embodiments, a non-transitory computer readable storage medium in a memory is to store at least one instruction for execution by a processor to implement a bump stiffness test method provided herein.
In some embodiments, the terminal may further include: a peripheral interface and at least one peripheral. Specifically, the peripheral device includes: at least one of a radio frequency circuit, a touch display screen, a camera, an audio circuit, a positioning component and a power supply.
The peripheral interface may be used to connect at least one peripheral associated with an I/O (Input/Output) to the processor and the memory. In some embodiments, the processor, memory, and peripheral interface are integrated on the same chip or circuit board; in some other embodiments, any one or two of the processor, the memory, and the peripheral interface may be implemented on separate chips or circuit boards, which are not limited by this embodiment.
Radio Frequency circuits are used for receiving and transmitting RF (Radio Frequency) signals, also called electromagnetic signals. The radio frequency circuitry communicates with the communications network and other communications devices via electromagnetic signals. The radio frequency circuit converts the electric signal into an electromagnetic signal to be transmitted, or converts the received electromagnetic signal into an electric signal. Optionally, the radio frequency circuit comprises: an antenna system, an RF transceiver, one or more amplifiers, a tuner, an oscillator, a digital signal processor, a codec chipset, a subscriber identity module card, and so forth. The radio frequency circuitry may communicate with other terminals via at least one wireless communication protocol. The wireless communication protocols include, but are not limited to: the world wide web, metropolitan area networks, intranets, generations of mobile communication networks (2G, 3G, 4G, and 5G), wireless local area networks, and/or WiFi (Wireless Fidelity) networks. In some embodiments, the radio frequency circuit may further include NFC (Near Field Communication) related circuits, which are not limited in this application.
The touch display screen is used to display a UI (User Interface). The UI may include graphics, text, icons, video, and any combination thereof. Touch display screens also have the ability to capture touch signals on or over the surface of the touch display screen. The touch signal can be input to a processor as a control signal for processing. Touch screens are used to provide virtual buttons and/or virtual keyboards, also known as soft buttons and/or soft keyboards. In some embodiments, the number of the touch display screens can be one, and a front panel of the terminal is arranged; in other embodiments, the number of the touch display screens can be at least two, and the touch display screens are respectively arranged on different surfaces of the terminal or are in a folding design; in still other embodiments, the touch display may be a flexible display, disposed on a curved surface or on a folded surface of the terminal. Even, the touch display screen can be arranged in a non-rectangular irregular figure, namely a special-shaped screen. The touch Display screen can be made of LCD (Liquid Crystal Display), OLED (Organic Light-Emitting Diode), and other materials.
The camera assembly is used for acquiring images or videos. Optionally, the camera assembly comprises a front camera and a rear camera. Generally, a front camera is used to implement a video call or self-timer shooting, and a rear camera is used to implement a picture or video shooting. In some embodiments, the number of the rear cameras is at least two, and each of the rear cameras is any one of a main camera, a depth-of-field camera and a wide-angle camera, so that the main camera and the depth-of-field camera are fused to realize a background blurring function, and the main camera and the wide-angle camera are fused to realize a panoramic shooting function and a VR (Virtual Reality) shooting function. In some embodiments, the camera assembly may further include a flash. The flash lamp can be a monochrome temperature flash lamp or a bicolor temperature flash lamp. The double-color-temperature flash lamp is a combination of a warm-light flash lamp and a cold-light flash lamp and can be used for light compensation under different color temperatures.
The audio circuit is used to provide an audio interface between the user and the terminal. The audio circuitry may include a microphone and a speaker. The microphone is used for collecting sound waves of a user and the environment, converting the sound waves into electric signals and inputting the electric signals into the processor for processing or inputting the electric signals into the radio frequency circuit to realize voice communication. For the purpose of stereo sound collection or noise reduction, a plurality of microphones can be arranged at different parts of the terminal respectively. The microphone may also be an array microphone or an omni-directional pick-up microphone. The speaker is used to convert electrical signals from the processor or radio frequency circuit into sound waves. The loudspeaker can be a traditional film loudspeaker or a piezoelectric ceramic loudspeaker. When the speaker is a piezoelectric ceramic speaker, the speaker can be used for purposes such as converting an electric signal into a sound wave audible to a human being, or converting an electric signal into a sound wave inaudible to a human being to measure a distance. In some embodiments, the audio circuitry may also include a headphone jack.
The positioning component is used for positioning the current geographic Location of the terminal to implement navigation or LBS (Location Based Service). The Positioning component may be a Positioning component based on the GPS (Global Positioning System) in the united states, the beidou System in china, or the galileo System in russia.
The power supply is used for supplying power to each component in the terminal. The power source may be alternating current, direct current, disposable or rechargeable. When the power source includes a rechargeable battery, the rechargeable battery may be a wired rechargeable battery or a wireless rechargeable battery. The wired rechargeable battery is a battery charged through a wired line, and the wireless rechargeable battery is a battery charged through a wireless coil. The rechargeable battery may also be used to support fast charge technology.
Example four
In an exemplary embodiment, a computer-readable storage medium is also provided, on which a computer program is stored, which when executed by a processor implements a buffer block stiffness test method as provided in all inventive embodiments of the present application.
Any combination of one or more computer-readable media may be employed. The computer readable medium may be a computer readable signal medium or a computer readable storage medium. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples (a non-exhaustive list) of the computer readable storage medium would include the following: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the context of this document, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
A computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.
Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.
Computer program code for carrying out operations for aspects of the present invention may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, smalltalk, C + + or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider).
EXAMPLE five
In an exemplary embodiment, an application program product is also provided that includes one or more instructions executable by a processor of the apparatus to perform a method of buffer block stiffness testing as described above.
While embodiments of the invention have been disclosed above, it is not intended to be limited to the uses set forth in the specification and examples. It can be applied to all kinds of fields suitable for the present invention. Additional modifications will readily occur to those skilled in the art. It is therefore intended that the invention not be limited to the exact details and illustrations described and illustrated herein, but fall within the scope of the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a buffer block rigidity test system, its characterized in that, including portal frame (8) and tailstock (2) of setting on flexbile bottom plate (1), tailstock (2) one side is provided with support frame (11), portal frame (8) middle part is fixed with hydraulic actuator (9), the execution end of hydraulic actuator (9) is articulated with the one end of linear guide (3), linear guide (3) can remove along support frame (11), the other end of linear guide (3) is fixed with the anchor clamps assembly, be provided with experimental sample (10) on the anchor clamps assembly of going up, be provided with on flexbile bottom plate (1) with anchor clamps assembly complex lower anchor clamps (7).
2. The buffer block rigidity test system according to claim 1, wherein the upper clamp assembly comprises an upper clamp (4) connected with the other end of the linear guide rail (3), one end, far away from the linear guide rail (3), of the upper clamp (4) is fixed with an actual vehicle upper suspension (5), a piston rod (6) penetrates through the actual vehicle upper suspension (5), a test sample (10) matched with the actual vehicle upper suspension (5) is sleeved on the piston rod (6), and a piston hole matched with the piston rod (6) is formed in the top of the lower clamp (7).
3. The test system for the rigidity of the buffer block according to claim 1 or 2, wherein a sliding groove is arranged on one side of the tailstock (2), a bolt and nut assembly is arranged on one side of the support frame (11), the bolt can move in the sliding groove and can position the support frame (11) on the tailstock (2) through matching with the nut.
4. The bump stop stiffness test system according to claim 3, further comprising an upper computer electrically connected to the hydraulic actuator (9).
5. A test method for rigidity of a buffer block, which is applied to the test system for rigidity of the buffer block as claimed in any one of claims 1 to 3, is characterized by comprising the following steps:
acquiring the free height of the test sample (10), executing a test program, sending a first test load instruction to the hydraulic actuator (9), and respectively acquiring the deformation of the first test load test sample;
sending a second test load instruction to the hydraulic actuator (9) after 10min and respectively obtaining the deformation of a second test load test sample;
obtaining a relation curve of the test load and the deformation according to the deformation of the first test load test sample and the deformation of the second test load test sample;
and obtaining the compression work through the relation curve of the test load and the deformation.
6. The method of claim 5, wherein the first test load command comprises: the test specimen (10) was loaded 3 times and unloaded 3 times, respectively, along the loading shaft axis at a loading rate of 200 mm/min.
7. The method of claim 6, wherein the second test load command comprises: the test specimen (10) was loaded 1 time and unloaded 1 time, respectively, along the loading shaft axis at a loading rate of 50 mm/min.
8. The method as claimed in claim 7, wherein the sampling frequency for obtaining the deformation of the first test load test sample and the deformation of the second test load test sample is 30 to 40Hz.
9. A host computer, comprising:
one or more processors;
a memory for storing the one or more processor-executable instructions;
wherein the one or more processors are configured to:
a bump stop stiffness test method as claimed in any one of claims 5 to 8.
10. A non-transitory computer readable storage medium, wherein instructions in the storage medium, when executed by a processor of a terminal, enable the terminal to perform a buffer stiffness test method as claimed in any one of claims 5 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211062489.6A CN115420488A (en) | 2022-08-31 | 2022-08-31 | Buffer block rigidity test system and method, upper computer and medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211062489.6A CN115420488A (en) | 2022-08-31 | 2022-08-31 | Buffer block rigidity test system and method, upper computer and medium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115420488A true CN115420488A (en) | 2022-12-02 |
Family
ID=84200194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211062489.6A Pending CN115420488A (en) | 2022-08-31 | 2022-08-31 | Buffer block rigidity test system and method, upper computer and medium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115420488A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203772527U (en) * | 2013-11-28 | 2014-08-13 | 同济大学 | Engine rubber mount dynamic stiffness testing device |
| CN204575426U (en) * | 2015-03-17 | 2015-08-19 | 北京汽车研究总院有限公司 | A kind of buffer stopper rigidity test frock |
| CN108562429A (en) * | 2018-05-31 | 2018-09-21 | 西南交通大学 | Interference fit component fatigue experimental device based on rotoflector and test method |
| CN214373213U (en) * | 2020-12-30 | 2021-10-08 | 广州大学 | Static horizontal rigidity testing device for rubber foot pad |
| CN113686720A (en) * | 2021-08-19 | 2021-11-23 | 洛阳凯众减震科技有限公司 | Testing device and testing method for compression water absorption of buffering stop block |
| CN113865984A (en) * | 2021-08-19 | 2021-12-31 | 中国原子能科学研究院 | Vacuum/inert gas protection test device suitable for radioactive tubular sample |
| CN216695477U (en) * | 2021-12-29 | 2022-06-07 | 唐山康华铁路器材有限公司 | Rigidity detection device for rubber base plate |
| CN114923712A (en) * | 2022-04-17 | 2022-08-19 | 中国第一汽车股份有限公司 | Air spring dynamic stiffness test device and method |
-
2022
- 2022-08-31 CN CN202211062489.6A patent/CN115420488A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203772527U (en) * | 2013-11-28 | 2014-08-13 | 同济大学 | Engine rubber mount dynamic stiffness testing device |
| CN204575426U (en) * | 2015-03-17 | 2015-08-19 | 北京汽车研究总院有限公司 | A kind of buffer stopper rigidity test frock |
| CN108562429A (en) * | 2018-05-31 | 2018-09-21 | 西南交通大学 | Interference fit component fatigue experimental device based on rotoflector and test method |
| CN214373213U (en) * | 2020-12-30 | 2021-10-08 | 广州大学 | Static horizontal rigidity testing device for rubber foot pad |
| CN113686720A (en) * | 2021-08-19 | 2021-11-23 | 洛阳凯众减震科技有限公司 | Testing device and testing method for compression water absorption of buffering stop block |
| CN113865984A (en) * | 2021-08-19 | 2021-12-31 | 中国原子能科学研究院 | Vacuum/inert gas protection test device suitable for radioactive tubular sample |
| CN216695477U (en) * | 2021-12-29 | 2022-06-07 | 唐山康华铁路器材有限公司 | Rigidity detection device for rubber base plate |
| CN114923712A (en) * | 2022-04-17 | 2022-08-19 | 中国第一汽车股份有限公司 | Air spring dynamic stiffness test device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2020078237A1 (en) | Audio processing method and electronic device | |
| CN113726950A (en) | Image processing method and electronic equipment | |
| CN108909717B (en) | Method and device for determining lightweight level of electric vehicle, and storage medium | |
| CN115420488A (en) | Buffer block rigidity test system and method, upper computer and medium | |
| CN116708751B (en) | Method and device for determining photographing duration and electronic equipment | |
| CN115562514B (en) | Touch display method, graphical interface and related device | |
| CN115695640B (en) | Shutdown prevention protection method and electronic equipment | |
| CN114936420A (en) | Method and device for simulating vibration envelope of automobile power assembly, terminal and storage medium | |
| CN111698512B (en) | Video processing method, device, equipment and storage medium | |
| CN112860365A (en) | Content display method and device, electronic equipment and readable storage medium | |
| CN111294470A (en) | Call processing method, device, equipment and storage medium | |
| CN117010236A (en) | Analysis method and device for pre-deformation of back door of passenger car, terminal and storage medium | |
| CN114878151A (en) | Device, method and system for testing turnover endurance test of exterior rearview mirror | |
| CN113965844B (en) | Low-delay audio transmission method and device, driving equipment and readable storage medium | |
| CN115200853A (en) | Automatic testing device, testing system and testing method for cold and hot impact of oil seal | |
| CN116743921B (en) | Method for displaying number-carrying network number, electronic equipment and storage medium | |
| CN117451173B (en) | Motor detection method and related equipment | |
| CN116415108A (en) | Fatigue life test data processing method, device, terminal and medium | |
| CN116595641A (en) | Method and device for improving simulation precision of brake condition of McPherson front suspension knuckle | |
| CN118194664A (en) | Automatic finite element grid quality inspection method and system | |
| CN117034681A (en) | Method, device, terminal and storage medium for analyzing dent resistance of automobile body outer panel | |
| CN117010165A (en) | Method and device for writing CAE simulation file of strength of engine valve chamber cover | |
| CN114918437A (en) | Design method, device and terminal of turning tool for water inlet pipe of automobile water pump | |
| CN115222659A (en) | Part size evaluation method and device, terminal and storage medium | |
| CN118568859A (en) | Simulation analysis method, device and terminal for improving torsional rigidity precision consistency |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |