CN211426129U - Simple pressure lever device with temperature control and preload static pressure stress - Google Patents
Simple pressure lever device with temperature control and preload static pressure stress Download PDFInfo
- Publication number
- CN211426129U CN211426129U CN201922264344.4U CN201922264344U CN211426129U CN 211426129 U CN211426129 U CN 211426129U CN 201922264344 U CN201922264344 U CN 201922264344U CN 211426129 U CN211426129 U CN 211426129U
- Authority
- CN
- China
- Prior art keywords
- depression bar
- stress
- temperature control
- preload
- incident
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The utility model provides a simple and easy depression bar device with control by temperature change and preload static pressure stress belongs to material dynamics research technical field. The device includes depression bar system, temperature control device and preload static stress device, and depression bar system includes support, incident depression bar and transmission depression bar, and incident depression bar and transmission depression bar pass through the support mounting on the depression bar platform, and the experiment sample is installed on depression bar system, and the experiment sample top sets up temperature control device, and depression bar system both ends set up preload static stress device, the utility model discloses a temperature control device sets up required temperature of experiment and axial static load with preload static stress device. The dynamic impact is generated by matching with a dynamic loading device so as to meet different dynamic impact experiment requirements. The incident compression bar, the transmission compression bar and the experimental sample in the compression bar system have the same section size, are smooth and flat, have good contact and can achieve better experimental effect.
Description
Technical Field
The utility model relates to a material dynamics research technical field especially indicates a simple and easy depression bar device with control by temperature change and preload static pressure stress.
Background
The simple pressure lever device with temperature control and pre-loading static pressure stress for material impact test is one kind of dynamic device for researching the dynamic response mechanical behavior of material under the impact of dynamic force in the presence of static load and includes mainly pressure lever system, temperature controller and pre-loading static pressure stress device.
The existing impact test does not generally comprise the control device at the same time.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a simple and easy depression bar device with control by temperature change and preload static pressure stress.
The device includes depression bar system, temperature control device and preload static pressure stress device, and depression bar system includes the support, incides depression bar and transmission depression bar, and the incident depression bar passes through the support mounting on the depression bar platform with the transmission depression bar, and the experiment sample is installed on depression bar system, and the experiment sample top sets up temperature control device, and depression bar system both ends set up preload static pressure stress device, set up required temperature of experiment and axial static load through temperature control device and preload static pressure stress device.
The incident compression bar, the transmission compression bar and the experimental sample are the same in cross section size, and the contact surface is smooth and flat and is in good contact.
The temperature control device comprises a resistance heating wire, an asbestos lining and an electronic temperature controller, wherein the resistance heating wire is arranged in the asbestos lining and connected with the electronic temperature controller, and the experiment sample is positioned in the asbestos lining. The electronic temperature controller adjusts the experiment temperature.
The preload static pressure stress device comprises a pull rod, a thin gasket, a pressure plate, a bolt, a thick gasket, a tension machine, a tension controller, a tension table and a pulley, wherein one end of the pull rod is installed on the pressure plate through the bolt, the other end of the pull rod is installed on the tension machine, the thin gasket is arranged between the pressure plate and an incident compression rod, and the thick gasket is arranged between the tension machine and a transmission compression rod. The tension controller adjusts the preload hydrostatic stress.
The tensile machine is connected with the tensile controller, the tensile machine is arranged on the tensile platform, and the lower part of the tensile platform is provided with a pulley.
The pull rod, the pressure plate and the bolt are all made of high-strength steel.
The tensile force controller is used for setting tensile stress, so that the tensile machine pulls the pull rod, and the pressure plate is driven to generate preloaded static pressure stress on the incident pressure rod, the experimental sample and the transmission pressure rod.
The incident compression bar and the transmission compression bar are both provided with strain gauges.
The utility model discloses an above-mentioned technical scheme's beneficial effect as follows:
in the above scheme, matching with various power loading devices to generate power impact, the selectable power loading devices are: air cannons, ultrasonic waves, pendulums, and the like. Through the technical scheme, the dynamic characteristics of the material under different temperatures and preloading static stresses can be obtained by changing the temperatures and the preloading static stresses. The dynamic characteristics of various materials can be obtained by changing the materials of the compression bar and the experimental sample. The device has the functions of temperature control and preloading static pressure stress, and has the advantages of simple structure, convenient operation and control, low manufacturing cost and the like.
Drawings
FIG. 1 is a schematic structural view of a simple compression bar device with temperature control and pre-loading static compressive stress according to the present invention;
fig. 2 is a top view of a in fig. 1.
Wherein: 0-a strut platform; 1-an incident pressure lever; 2-strain gauge; 3-support; 4-experimental sample; 5-a temperature control device; 51-resistance heating wire; 52-asbestos lining; 53-electronic temperature controller; 6-a transmission strut; 7-preloading a static pressure stress device; 71-a pull rod; 72-thin gasket; 73-a pressure plate; 74-bolt; 75-thick gasket; 76-a tensile machine; 77-a tension controller; 78-a tension table; 79-pulley.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
The utility model provides a simple and easy depression bar device with control by temperature change and preload static pressure stress.
As shown in fig. 1, the device comprises a pressure lever system, a temperature control device 5 and a preload static pressure stress device 7, wherein the pressure lever system comprises a support 3, an incident pressure lever 1 and a transmission pressure lever 6, the incident pressure lever 1 and the transmission pressure lever 6 are installed on a pressure lever platform 0 through the support 3, an experimental sample 4 is installed on the pressure lever system, the temperature control device 5 is arranged above the experimental sample 4, the preload static pressure stress devices 7 are arranged at two ends of the pressure lever system, and the temperature and the axial static load required by the experiment are set through the temperature control device 5 and the preload static pressure stress devices 7. The two ends of the experimental sample 4 are respectively provided with an incident pressure lever 1 and a transmission pressure lever 6, the incident pressure lever 1, the transmission pressure lever 6 and the experimental sample 4 have the same section size, and the contact surface is smooth and flat and has good contact. The temperature control device 5 comprises a resistance heating wire 51, an asbestos lining 52 and an electronic temperature controller 53, the resistance heating wire 51 is arranged in the asbestos lining 52, the resistance heating wire 51 is connected with the electronic temperature controller 53, and the experiment sample 4 is positioned in the asbestos lining 52. The preload static pressure stress device 7 comprises a pull rod 71, a thin washer 72, a pressure plate 73, a bolt 74, a thick washer 75, a tension machine 76, a tension controller 77, a tension table 78 and a pulley 79, wherein one end of the pull rod 71 is installed on the pressure plate 73 through the bolt 74, the other end of the pull rod 71 is installed on the tension machine 76, the thin washer 72 is arranged between the pressure plate 73 and the incident pressure rod 1, and the thick washer 75 is arranged between the tension machine 76 and the transmission pressure rod 6.
As shown in fig. 2, the holder 3 supports the transmission strut 6, and the holder 3 is fixed to the tension rod 71.
In the specific application, the main components of the compression bar system, namely the incident compression bar 1, the transmission compression bar 6 and the experimental sample 4, can be made of materials and models according to the experimental purpose, and common materials comprise steel, aluminum, granite and the like.
As shown in fig. 1 and 2, a support 3 is arranged below the pressure rod and the experimental sample 4, and liquid butter with a lubricating effect is coated on the contact surface to reduce the friction resistance. The whole compression bar system is kept horizontal by adjusting the nut at the lower end of the support 3.
The required experiment temperature is set by the electronic temperature controller 53, so that the experiment sample 4 in the temperature control system and two ends of the pressure rod, which are in contact with the sample, are kept under a certain temperature condition in the experiment process.
In the preload static pressure stress device, the thin washers 72 and the thick washers 75, which are respectively located at both ends, are rubber washers, and respectively perform the shaping function and the buffering function of the dynamic impact waveform. The pull rod 71 and the pressure plate 73 are both made of high-strength stainless steel.
The tensile force is set by the tensile force controller 77, so that the tensile force machine 76 pulls the pull rod 71, and the pressure plate 73 is driven to generate certain pre-loading static pressure stress on the incident pressure rod 1, the experimental sample 4 and the transmission pressure rod 6.
The device is matched with dynamic load devices such as an air cannon, ultrasonic waves and a pendulum bob to realize impact. And when the temperature and the static pressure reach set values, transmitting dynamic impact to perform an experiment so as to obtain the dynamic response mechanical behavior of the material under a certain temperature and preloaded static pressure stress. And the dynamic characteristics of the material under certain temperature and preloaded static pressure stress are obtained through calculation and analysis of the experimental results.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A simple compression bar device with temperature control and preload static pressure stress is characterized in that: including the depression bar system, temperature control device (5) and preload static stress device (7), the depression bar system includes support (3), incident depression bar (1) and transmission depression bar (6), install on depression bar platform (0) through support (3) incident depression bar (1) and transmission depression bar (6), install on the depression bar system experiment sample (4), experiment sample (4) top sets up temperature control device (5), depression bar system both ends set up preload static stress device (7), set up the required temperature of experiment and axial dead load through temperature control device (5) and preload static stress device (7).
2. The simplified strut apparatus with temperature controlled and preloaded static compressive stress of claim 1, wherein: the two ends of the experimental sample (4) are respectively provided with an incident pressure rod (1) and a transmission pressure rod (6), the incident pressure rod (1), the transmission pressure rod (6) and the experimental sample (4) are identical in section size, and the contact surface is smooth and flat and is good in contact.
3. The simplified strut apparatus with temperature controlled and preloaded static compressive stress of claim 1, wherein: the temperature control device (5) comprises a resistance heating wire (51), an asbestos lining (52) and an electronic temperature controller (53), the resistance heating wire (51) is arranged in the asbestos lining (52), the electronic temperature controller (53) is connected with the resistance heating wire (51), and the experiment sample (4) is positioned in the asbestos lining (52).
4. The simplified strut apparatus with temperature controlled and preloaded static compressive stress of claim 1, wherein: the preload static pressure stress device (7) comprises a pull rod (71), a thin gasket (72), a pressure plate (73), a bolt (74), a thick gasket (75), a tensile machine (76), a tension controller (77), a tension table (78) and a pulley (79), wherein one end of the pull rod (71) is installed on the pressure plate (73) through the bolt (74), the other end of the pull rod (71) is installed on the tensile machine (76), the thin gasket (72) is arranged between the pressure plate (73) and the incident pressure rod (1), and the thick gasket (75) is arranged between the tensile machine (76) and the transmission pressure rod (6).
5. The simplified strut apparatus with temperature control and preload hydrostatic stress as claimed in claim 4, wherein: the tensile machine (76) is connected with a tensile controller (77), the tensile machine (76) is installed on a tensile table (78), and a pulley (79) is arranged on the lower portion of the tensile table (78).
6. The simplified strut apparatus with temperature control and preload hydrostatic stress as claimed in claim 4, wherein: the pull rod (71), the pressure plate (73) and the bolt (74) are all made of high-strength steel.
7. The simplified strut apparatus with temperature control and preload hydrostatic stress as claimed in claim 4, wherein: tensile stress is set through a tensile force controller (77), so that a tensile force machine (76) pulls a pull rod (71), and a pressure plate (73) is driven to generate preloaded static pressure stress on the incident pressure rod (1), the experimental sample (4) and the transmission pressure rod (6).
8. The simplified strut apparatus with temperature controlled and preloaded static compressive stress of claim 1, wherein: and the incident compression bar (1) and the transmission compression bar (6) are both provided with strain gauges (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922264344.4U CN211426129U (en) | 2019-12-16 | 2019-12-16 | Simple pressure lever device with temperature control and preload static pressure stress |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922264344.4U CN211426129U (en) | 2019-12-16 | 2019-12-16 | Simple pressure lever device with temperature control and preload static pressure stress |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211426129U true CN211426129U (en) | 2020-09-04 |
Family
ID=72249553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922264344.4U Expired - Fee Related CN211426129U (en) | 2019-12-16 | 2019-12-16 | Simple pressure lever device with temperature control and preload static pressure stress |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211426129U (en) |
-
2019
- 2019-12-16 CN CN201922264344.4U patent/CN211426129U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201277925Y (en) | Concrete stress-strain full curve test apparatus with loading speed controllable | |
| CN105628371B (en) | Blade fatigue performance aircraft | |
| CN108168812B (en) | A kind of steering gear flat vibration load combination unit | |
| CN103558100B (en) | The pulling and pressing integrated experimental provision of Hopkinson | |
| CN103196768A (en) | Fretting wear simulation test system | |
| CN211426129U (en) | Simple pressure lever device with temperature control and preload static pressure stress | |
| CN204461725U (en) | Automobile push button switch fatigue test unit | |
| CN202886177U (en) | Comprehensive testing machine for electro-hydraulic servo steel strands | |
| CN205002938U (en) | Adjustable excitation ejector pin | |
| CN110940601A (en) | Simple pressure lever device with temperature control and preload static pressure stress | |
| CN104372956A (en) | Prestressed tension device and method for fiber sheet | |
| Cao et al. | Flexible die drawing of magnesium alloy sheet by superimposing ultrasonic vibration | |
| Jiang et al. | Plastic deformation behavior of Ti foil under ultrasonic vibration in tension | |
| Naik et al. | Stress–strain behavior of composites under high strain rate compression along thickness direction: effect of loading condition | |
| CN114062249B (en) | Prepreg clamping mechanism and device and method for measuring interlayer friction behavior of prepreg clamping mechanism | |
| CN110726609A (en) | Concrete stress test system under high temperature and high pressure | |
| CN104034524A (en) | Device and method for acoustic-static combined loading test | |
| CN109580377A (en) | A kind of rubber tensile experimental bench and rubber fatigue test method | |
| CN2884182Y (en) | Dynamic draw-load testing equipment for rock | |
| CN113267283A (en) | Detection device and detection method for axial residual tensile force of bolt | |
| CN109668794B (en) | Four-point bending corrosion experimental device and application | |
| CN102042933B (en) | Test apparatus of static bond strength between embedded part of wind wheel blade root and glass fiber reinforced plastic | |
| CN106017767B (en) | A kind of adjustable fluctuation wall surface resistance test device | |
| CN204266601U (en) | A kind of pre-stress stretching device of fibre sheet material | |
| CN220819634U (en) | Composite material tensile load loading device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200904 Termination date: 20211216 |