CN111929172A - Pneumatic testing arrangement of material creep property - Google Patents
Pneumatic testing arrangement of material creep property Download PDFInfo
- Publication number
- CN111929172A CN111929172A CN202010931580.1A CN202010931580A CN111929172A CN 111929172 A CN111929172 A CN 111929172A CN 202010931580 A CN202010931580 A CN 202010931580A CN 111929172 A CN111929172 A CN 111929172A
- Authority
- CN
- China
- Prior art keywords
- sample
- pneumatic
- sliding table
- guide
- guide member
- 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
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0044—Pneumatic means
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to the field of test instruments, in particular to a pneumatic testing device for material creep property, which comprises a rack, wherein a guide member is arranged on the rack; a fixed frame is arranged at the first end of the guide direction of the guide component, a sliding table is arranged on the guide component in a sliding manner, and a sample to be tested is arranged between the fixed frame and the sliding table during testing; the pneumatic driving mechanism can drive the sliding table to move; the device also comprises a force detection mechanism capable of detecting the stress of the sample and a displacement detection mechanism capable of detecting the deformation and displacement of the sample. The invention has the advantages that: the structure is simple and compact, the stability of the loading mechanism is high, and the cost is low.
Description
Technical Field
The invention relates to the field of testing instruments, in particular to a pneumatic testing device for material creep property.
Background
The material creep is a viscoelastic property of the material, and is a phenomenon that the strain of the material is gradually increased along with the advance of time under a certain temperature condition and the stress is kept unchanged. Especially in the microelectronics industry, creep has become the most dominant failure factor in electronic package interconnect structure materials during high temperature service, where stress and temperature have a significant impact on the creep properties of the interconnect material. Thus, the creep properties of interconnect materials have become an important parameter in predicting and evaluating the reliability and full life cycle of electronic devices.
In the prior art, the creep characteristics of materials are usually studied using uniaxial creep tests. Uniaxial creep tests enable the acquisition of a curve of the uniaxial creep strain over time, commonly referred to as the creep curve. The traditional creep test device is based on a lever principle and applies different loads to materials through hydraulic pressure, for example, Chinese patent with the publication number of CN102768153A discloses a creep test machine, a set of lever system is formed by a plurality of groups of cross beams and vertical beam components, a loading mechanism is formed by a lever arm, a loading counterweight, an oil cylinder and a force transmission arm, the principle is simple, and the operation is easy; however, such mechanisms are not compact, have complex force transmission paths, and are not suitable for high-precision small-load loading.
Meanwhile, the material creep test generally consumes longer time, and the stability of stress loading is crucial to the material creep test, for example, the Chinese patent with the publication number of CN105510117A discloses a long-time continuous working creep endurance testing machine which adopts a lever mechanical loading host machine, and electrical parts of the host machine adopt a redundancy design, so that the stability of stress loading is ensured, and the operation reliability of equipment is further improved; however, the disadvantages are complex mechanism design and high equipment cost.
Some materials creep property tests require small stress loading load and high stability, and the testing device is simple and compact in structure and convenient to operate, and the prior technical scheme cannot meet the requirements at the same time.
Disclosure of Invention
The invention aims to provide a pneumatic testing device for material creep performance, which has the advantages of simple and compact structure, high stability of a loading mechanism and low cost.
The invention solves the technical problems through the following technical means: a pneumatic testing device for material creep performance comprises a frame, wherein a guide member is arranged on the frame;
a fixed frame is arranged at the first end of the guide direction of the guide component, a sliding table is arranged on the guide component in a sliding manner, and a sample to be tested is arranged between the fixed frame and the sliding table during testing;
the pneumatic driving mechanism can drive the sliding table to move;
the device also comprises a force detection mechanism capable of detecting the stress of the sample and a displacement detection mechanism capable of detecting the deformation and displacement of the sample.
The pneumatic testing device for the material creep property is mainly used for testing the material creep property of a sample, and when in actual application, the sample to be tested is arranged between the fixed frame and the sliding table, after the sample is ready, the pneumatic driving mechanism is started, the pneumatic driving mechanism can drive the sliding table to move towards the direction far away from the fixed frame, thereby pulling the sample, the guide member can guide the movement of the slide table, ensuring that it moves in a predetermined direction, and during testing, the force detection mechanism detects the stress of the sample in real time, the displacement detection mechanism detects the deformation and displacement of the sample in real time, compared with the prior art, the pneumatic driving mechanism is convenient to control, simple to control, compact in structure, stable in performance and low in cost, can realize diversified stress load application, simultaneously quickly responds to stress load fluctuation, and guarantees the stability of stress application; meanwhile, the invention has simple and compact structure, high stability of the loading mechanism and low cost, and can meet the requirement of material creep performance test.
Preferably, the guide member is one of a guide post, a guide rail or a guide groove.
Preferably, the fixing frame is slidably mounted on the guide member, and a fixing frame locking mechanism capable of locking the fixing frame on the guide member is arranged on the fixing frame.
During practical application, the position of the fixing frame on the guide member can be flexibly adjusted according to the specification of a test sample, the fixing frame is fixed on the guide member through the fixing frame locking mechanism after being adjusted to a proper position, and then a corresponding test is carried out, so that the whole application range is wider.
Preferably, a slide table locking mechanism capable of locking the slide table to the guide member is provided on the slide table.
The sliding table locking mechanism is convenient to lock the sliding table on the guide component, and further the test requirements are met.
Optimally, sample clamping plates are arranged on the fixed frame and the sliding table respectively, the sample clamping plates are arranged on the fixed frame and the sliding table through bolts, and the two sample clamping plates are distributed along the guide direction of the guide member;
the first end of the sample to be tested is clamped between the sample clamping plate and the fixing frame, and the second end of the sample to be tested is clamped between the sample clamping plate and the sliding table.
When actually carrying out the experiment, loosen the bolt, then place the first end of sample between sample splint and mount, place the sample second end between sample splint and slip table, screw up behind the bolt, can realize the installation of sample, overall structure, principle are comparatively simple, convenient operation.
Preferably, the pneumatic driving mechanism comprises an air cylinder arranged on the frame, and the sliding table is connected to a piston rod of the air cylinder through a force detection mechanism.
During actual application, the air cylinder stretches out and draws back to realize loading of test load, and the force detection mechanism detects the pressure that the sample received during loading.
Preferably, the pneumatic driving mechanism further comprises an air compressor arranged on the rack, a main pipe is arranged at an outlet of the air compressor, two branch pipes are arranged at the tail end of the main pipe, and the two branch pipes are connected to the air cylinder;
the pneumatic control device comprises a direction control valve arranged between the main pipe and the two branch pipes, and pressure control valves are arranged on the branch pipes;
the air compressor, the direction control valve and the pressure control valve are all controlled by the control unit.
In practical application, air compressor provides the air supply, and compressed gas can realize the adjustment of the direction of admitting air through the direction control valve in being responsible for, the branch pipe gets into the cylinder respectively, and then the flexible of control cylinder, through control pressure control valve, can realize the adjustment of pressure, and then the pulling force or the pressure size that the control cylinder acquireed to satisfy experimental demand.
Preferably, the main pipe is provided with an air storage tank.
The pneumatic control device is matched with the air storage tank, so that the stability of the stress loading mechanism can be guaranteed, the fluctuation of the stress load caused by the sudden change of displacement can be quickly responded, and the stability of the stress loading is guaranteed.
Preferably, a dry filter is arranged on the main pipe.
Preferably, the branch pipe is also provided with a flow control valve.
The flow control valve can control the flow, further control the loading rate of stress and meet the test requirement.
The invention has the advantages that:
1. the pneumatic testing device for the material creep property is mainly used for testing the material creep property of a sample, and when in actual application, the sample to be tested is arranged between the fixed frame and the sliding table, after the sample is ready, the pneumatic driving mechanism is started, the pneumatic driving mechanism can drive the sliding table to move towards the direction far away from the fixed frame, thereby pulling the sample, the guide member can guide the movement of the slide table, ensuring that it moves in a predetermined direction, and during testing, the force detection mechanism detects the stress of the sample in real time, the displacement detection mechanism detects the deformation and displacement of the sample in real time, compared with the prior art, the pneumatic driving mechanism is convenient to control, simple to control, compact in structure, stable in performance and low in cost, can realize diversified stress load application, simultaneously quickly responds to stress load fluctuation, and guarantees the stability of stress application; meanwhile, the invention has simple and compact structure, high stability of the loading mechanism and low cost, and can meet the requirement of material creep performance test.
2. During practical application, the position of the fixing frame on the guide member can be flexibly adjusted according to the specification of a test sample, the fixing frame is fixed on the guide member through the fixing frame locking mechanism after being adjusted to a proper position, and then a corresponding test is carried out, so that the whole application range is wider.
3. The sliding table locking mechanism is convenient to lock the sliding table on the guide component, and further the test requirements are met.
4. When actually carrying out the experiment, loosen the bolt, then place the first end of sample between sample splint and mount, place the sample second end between sample splint and slip table, screw up behind the bolt, can realize the installation of sample, overall structure, principle are comparatively simple, convenient operation.
5. During actual application, the air cylinder stretches out and draws back to realize loading of test load, and the force detection mechanism detects the pressure that the sample received during loading.
6. In practical application, air compressor provides the air supply, and compressed gas can realize the adjustment of the direction of admitting air through the direction control valve in being responsible for, the branch pipe gets into the cylinder respectively, and then the flexible of control cylinder, through control pressure control valve, can realize the adjustment of pressure, and then the pulling force or the pressure size that the control cylinder acquireed to satisfy experimental demand.
7. The pneumatic control device is matched with the air storage tank, so that the stability of the stress loading mechanism can be guaranteed, the fluctuation of the stress load caused by the sudden change of displacement can be quickly responded, and the stability of the stress loading is guaranteed.
8. The flow control valve can control the flow, further control the loading rate of stress and meet the test requirement.
Drawings
FIGS. 1 and 2 are schematic diagrams of a pneumatic testing device for creep performance of a material according to an embodiment of the present invention from different viewing angles;
FIG. 3 is a schematic view showing a connection relationship between the air storage tank and the air cylinder according to the embodiment of the present invention;
wherein the content of the first and second substances,
a frame-1, a base-11, a column-12 and a top plate-13;
a guide member-2;
a fixed frame-3 and a fixed frame locking mechanism-31;
a sliding table-4, a sliding table locking mechanism-41 and a connecting plate-42;
a pneumatic driving mechanism-5, a cylinder-51, an air compressor-52, an air storage tank-53, a pneumatic control device-54, a drying filter-55, a main pipe-521, a branch pipe-522, a direction control valve-541, a pressure control valve-542 and a flow control valve-543;
a force detection mechanism-6;
a displacement detection mechanism-7;
sample splint-8.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. 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.
As shown in fig. 1 and 2, a pneumatic testing device for material creep performance comprises a frame 1, a guide member 2, a fixing frame 3, a sliding table 4, a pneumatic driving mechanism 5, a force detection mechanism 6, a displacement detection mechanism 7 and a sample clamping plate 8.
In this embodiment, the main function of the rack 1 is to provide mounting positions for the rest of the components, and the rack 1 is not limited to a specific shape as long as the components can be mounted and matched as required and corresponding functions can be realized. As shown in fig. 1, in this embodiment, the rack 1 includes a base 11, a column 12, and a top plate 13 connected in sequence from bottom to top, where the base 11 and the top plate 13 are rectangular plates with the same specification, and the two are connected by arranging a cylindrical column 12 at each of four corners.
As shown in fig. 1, a guide member 2 is provided on a frame 1; the guiding member 2 is one of a guide post, a guide rail or a guide groove, in this embodiment, the guiding member 2 is two horizontally arranged guide posts which are parallel, and for convenience of description and understanding, the guiding direction of the guiding member 2 is along the left-right direction, taking the position of the guiding member 2 on the frame 1 as the right end.
As shown in fig. 1, a fixing frame 3 is disposed at a first end of the guiding direction of the guiding member 2, in this embodiment, the fixing frame 3 is n-shaped, and further, in this embodiment, the fixing frame 3 is slidably mounted on the guiding member 2, and a fixing frame locking mechanism 31 capable of locking the fixing frame 3 on the guiding member 2 is disposed on the fixing frame 3. In this embodiment, the fixing frame locking mechanisms 31 include limiting screws screwed on the fixing frame 3, heads of the limiting screws are pressed against the guide member 2, and the two fixing frame locking mechanisms 31 are symmetrically arranged in front and back.
As shown in fig. 1, a slide table 4 is slidably provided on the guide member 2, the slide table 4 is n-shaped, and a slide table locking mechanism 41 capable of locking the slide table 4 to the guide member 2 is provided on the slide table 4. The sliding table locking mechanism 41 comprises a limiting screw screwed on the sliding table 4, the head of the limiting screw is pressed against the guide member 2, and the two sliding table locking mechanisms 41 are symmetrically arranged in the front and back direction.
During testing, a sample to be tested is arranged between the fixed frame 3 and the sliding table 4; specifically, as shown in fig. 1, the fixed frame 3 and the sliding table 4 are both provided with sample clamping plates 8, the sample clamping plates 8 are in a zigzag shape, the sample clamping plates 8 are mounted on the fixed frame 3 and the sliding table 4 through bolts, and the two sample clamping plates 8 are distributed along the guiding direction of the guiding member 2; the first end of the sample to be tested is clamped between the sample clamping plate 8 and the fixing frame 3, and the second end of the sample to be tested is clamped between the sample clamping plate 8 and the sliding table 4.
As shown in fig. 1, the device further comprises a pneumatic driving mechanism 5 capable of driving the sliding table 4 to move, a force detection mechanism 6 capable of detecting the magnitude of the force applied to the sample, and a displacement detection mechanism 7 capable of detecting the deformation and displacement of the sample. In this embodiment, the force detection mechanism 6 is a force sensor, and the displacement detection mechanism 7 is a displacement sensor.
As shown in fig. 1, the pneumatic driving mechanism 5 includes an air cylinder 51 provided on the frame 1, and the slide table 4 is connected to a piston rod of the air cylinder 51 through a force detecting mechanism 6. Specifically, a vertical connecting plate 42 is arranged on the left side of the sliding table 4, the connecting plate 42 is mounted on the left side of the sliding table 4 through bolts, and the force detection mechanism 6 is connected to the left side of the connecting plate 42.
Further, as shown in fig. 2, four spare mounting holes 32 are provided on the left side of the fixing frame 3, and the mounting holes 32 are threaded holes.
As shown in fig. 1, the displacement detection mechanism 7 is installed at the front side of the cylinder 51, and during actual installation, the detection end of the displacement detection mechanism 7 is installed on the connection plate 42 to detect the displacement of the sample.
As shown in fig. 1 and 3, the pneumatic driving mechanism 5 further includes an air compressor 52 disposed on the frame 1, a main pipe 521 is disposed at an outlet of the air compressor 52, two branch pipes 522 are disposed at an end of the main pipe 521, and the two branch pipes 522 are connected to the air cylinder 51.
As shown in fig. 1 and 3, the pneumatic control device 54 is further included, the pneumatic control device 54 includes a direction control valve 541 disposed between the main pipe 521 and the two branch pipes 522, and the branch pipes 522 are provided with pressure control valves 542.
The control unit in the embodiment adopts a PLC, the PLC is the prior art, and a person skilled in the art programs the PLC according to actual requirements, so that the control function in the embodiment can be realized.
As shown in fig. 1 and 3, the main pipe 521 is provided with an air tank 53 and a dry filter 55, and the dry filter 55 is located between the air tank 53 and the air compressor 52. The branch pipe 522 is further provided with a flow control valve 543. The pressure control valve 542 and the flow rate control valve 543 are located between the directional control valve 541 and the cylinder 51, and the pressure control valve 542 is located between the flow rate control valve 543 and the cylinder 51.
The air compressor 52, the directional control valve 541, the pressure control valve 542, the flow control valve 543 and the dry filter 55 are all controlled by a control unit, and the force detection mechanism 6 and the displacement detection mechanism 7 are connected to the control unit and transmit detected data to the control unit.
The working principle is as follows:
as shown in fig. 1-3, the pneumatic testing device for material creep property of the present invention is mainly used for testing material creep property of a sample, when in actual application, the sample to be tested is installed between a fixed frame 3 and a sliding table 4, after the sample is ready, a pneumatic driving mechanism 5 is started, the pneumatic driving mechanism 5 can drive the sliding table 4 to move towards a direction far away from the fixed frame 3, so as to pull the sample, a guiding member 2 can guide the sliding table 4 to move, and ensure that the sliding table moves in a predetermined direction, during testing, a force detecting mechanism 6 detects the stress of the sample in real time, a displacement detecting mechanism 7 detects the deformation and displacement of the sample in real time, and further can obtain experimental data related to the creep property of the sample, compared with the prior art, the pneumatic driving mechanism 5 is convenient to control, simple to control, compact in structure, stable in performance, low, meanwhile, stress load fluctuation is quickly responded, and the stability of stress application is guaranteed; meanwhile, the invention has simple and compact structure, high stability of the loading mechanism and low cost, and can meet the requirement of material creep performance test.
In practical application, the position of the fixing frame 3 on the guide member 2 can be flexibly adjusted according to the specification of a test sample, the fixing frame is fixed on the guide member 2 through the fixing frame locking mechanism 31 after being adjusted to a proper position, and then a corresponding test is carried out, so that the whole application range is wide. The slide table locking mechanism 41 facilitates locking the slide table 4 on the guide member 2, thereby satisfying the test requirements. When actually carrying out the experiment, loosen the bolt, then place the first end of sample between sample splint 8 and mount 3, place the sample second end between sample splint 8 and slip table 4, screw up the bolt after, can realize the installation of sample, overall structure, principle are comparatively simple, convenient operation. In practical application, the air cylinder 51 stretches to realize loading of test load, and the force detection mechanism 6 detects the pressure applied to the sample during loading. In practical application, the air compressor 52 provides an air source, compressed air enters the air cylinder 51 through the main pipe 521 and the branch pipe 522, the adjustment of the air inlet direction can be realized through the direction control valve 541, the expansion and contraction of the air cylinder 51 are further controlled, the adjustment of pressure can be realized through the control of the pressure control valve 542, and then the pulling force or the pressure obtained by the air cylinder 51 is controlled, so as to meet the test requirements. The pneumatic control device 54 and the air storage tank 53 are matched to ensure the stability of the stress loading mechanism, and the fluctuation of the stress load caused by the sudden change of displacement can be quickly responded, so that the stability of the stress loading is ensured. The flow control valve 543 can control the flow, so that the stress loading rate is controlled, and the test requirements are met.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a material creep performance pneumatic test device which characterized in that: comprises a frame (1), wherein a guide component (2) is arranged on the frame (1);
a fixed frame (3) is arranged at the first end of the guide direction of the guide member (2), a sliding table (4) is arranged on the guide member (2) in a sliding manner, and a sample to be tested is arranged between the fixed frame (3) and the sliding table (4) during testing;
the pneumatic sliding table further comprises a pneumatic driving mechanism (5) capable of driving the sliding table (4) to move;
the device also comprises a force detection mechanism (6) capable of detecting the stress of the sample and a displacement detection mechanism (7) capable of detecting the deformation and displacement of the sample.
2. The pneumatic testing device for the creep performance of the material according to claim 1, wherein: the guide member (2) adopts one of a guide column, a guide rail or a guide groove.
3. The pneumatic testing device for the creep performance of the material according to claim 1, wherein: the fixing frame (3) is slidably mounted on the guide member (2), and a fixing frame locking mechanism (31) capable of locking the fixing frame (3) on the guide member (2) is arranged on the fixing frame (3).
4. The pneumatic testing device for the creep performance of the material according to claim 1, wherein: the sliding table (4) is provided with a sliding table locking mechanism (41) which can lock the sliding table (4) on the guide member (2).
5. The pneumatic testing device for the creep performance of the material according to claim 1, wherein: the fixed frame (3) and the sliding table (4) are both provided with sample clamping plates (8), the sample clamping plates (8) are arranged on the fixed frame (3) and the sliding table (4) through bolts, and the two sample clamping plates (8) are distributed along the guide direction of the guide member (2);
the first end of the sample to be tested is clamped between the sample clamping plate (8) and the fixing frame (3), and the second end of the sample to be tested is clamped between the sample clamping plate (8) and the sliding table (4).
6. The pneumatic testing device for the creep performance of the material according to claim 1, wherein: the pneumatic driving mechanism (5) comprises a cylinder (51) arranged on the rack (1), and the sliding table (4) is connected to a piston rod of the cylinder (51) through a force detection mechanism (6).
7. The pneumatic testing device for the creep performance of the material according to claim 6, wherein: the pneumatic driving mechanism (5) further comprises an air compressor (52) arranged on the rack (1), a main pipe (521) is arranged at the outlet of the air compressor (52), two branch pipes (522) are arranged at the tail end of the main pipe (521), and the two branch pipes (522) are connected to the air cylinder (51);
the pneumatic control device (54) comprises a direction control valve (541) arranged between a main pipe (521) and two branch pipes (522), and the branch pipes (522) are provided with pressure control valves (542);
the air compressor (52), the direction control valve (541) and the pressure control valve (542) are controlled by the control unit.
8. The pneumatic testing device for the creep performance of the material according to claim 7, wherein: an air storage tank (53) is arranged on the main pipe (521).
9. The pneumatic testing device for the creep performance of the material according to claim 7, wherein: the main pipe (521) is provided with a drying filter (55).
10. The pneumatic testing device for the creep performance of the material according to claim 7, wherein: the branch pipe (522) is also provided with a flow control valve (543).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010931580.1A CN111929172A (en) | 2020-09-07 | 2020-09-07 | Pneumatic testing arrangement of material creep property |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010931580.1A CN111929172A (en) | 2020-09-07 | 2020-09-07 | Pneumatic testing arrangement of material creep property |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111929172A true CN111929172A (en) | 2020-11-13 |
Family
ID=73310214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010931580.1A Pending CN111929172A (en) | 2020-09-07 | 2020-09-07 | Pneumatic testing arrangement of material creep property |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111929172A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113447367A (en) * | 2021-06-21 | 2021-09-28 | 广东省科学院工业分析检测中心 | Device for detecting creep property of heat insulation section bar and detection method thereof |
| CN116792292A (en) * | 2023-08-17 | 2023-09-22 | 安徽欧通机电科技股份有限公司 | Anti-deformation mounting plate for compressor of refrigeration equipment and preparation method thereof |
-
2020
- 2020-09-07 CN CN202010931580.1A patent/CN111929172A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113447367A (en) * | 2021-06-21 | 2021-09-28 | 广东省科学院工业分析检测中心 | Device for detecting creep property of heat insulation section bar and detection method thereof |
| CN116792292A (en) * | 2023-08-17 | 2023-09-22 | 安徽欧通机电科技股份有限公司 | Anti-deformation mounting plate for compressor of refrigeration equipment and preparation method thereof |
| CN116792292B (en) * | 2023-08-17 | 2023-11-14 | 安徽欧通机电科技股份有限公司 | Anti-deformation mounting plate for compressor of refrigeration equipment and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111929172A (en) | Pneumatic testing arrangement of material creep property | |
| CN201622210U (en) | Adjustable fretting fatigue tester | |
| CN103017992B (en) | Device and method for measuring static rigidity of rolling linear guide rail pair | |
| CN109030234B (en) | System and method for testing long-time creep property of explosive | |
| CN1632510A (en) | Direct shear test machine for rock | |
| CN100501359C (en) | Loading test bench of straight stroke electric actuating mechanism | |
| CN103134730A (en) | Wiring harness stretch performance detection device | |
| CN212321316U (en) | Pneumatic testing arrangement of material creep property | |
| CN110307966B (en) | Automobile pedal assembly detection equipment | |
| KR20110005712A (en) | Clamp with a non-linear biasing member | |
| CN109696308B (en) | Aviation actuator loading test device under vibration environment and loading method thereof | |
| KR101190021B1 (en) | Loading and load maintenance system for concrete creep test | |
| CN201075069Y (en) | Universal material testing machine | |
| CN108425912A (en) | A kind of test bench of hydraulic oil cylinder device | |
| CN1332192C (en) | Tensile fixture for tensile mechanical property test of thin film material | |
| CN111650063A (en) | Normal load loading device based on single-shaft fatigue testing machine | |
| CN112730097A (en) | Long-duration high-precision rheological test system for simulating deep-ground complex conditions | |
| CN110470501B (en) | Mechanical multipoint synchronous loading device | |
| CN113483999B (en) | Valve performance testing method and valve performance testing device | |
| KR100628279B1 (en) | The Method and Device of the On-Line Performance Test of Snubber | |
| CN209264423U (en) | Universal material testing machine clamping device | |
| CN108020478A (en) | A kind of sealing strip abrasion test platform | |
| CN209624015U (en) | A kind of hydraulic pressure test tooling | |
| CN206161328U (en) | Fatigue testing machine of bicycle saddle pipe | |
| CN214201008U (en) | High-precision rheological testing machine for simulating deep complex coupling conditions |
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 |