CN113588236A - High-temperature-resistant testing pneumatic overspeed machine for shaft - Google Patents
High-temperature-resistant testing pneumatic overspeed machine for shaft Download PDFInfo
- Publication number
- CN113588236A CN113588236A CN202110858222.7A CN202110858222A CN113588236A CN 113588236 A CN113588236 A CN 113588236A CN 202110858222 A CN202110858222 A CN 202110858222A CN 113588236 A CN113588236 A CN 113588236A
- Authority
- CN
- China
- Prior art keywords
- shaft
- air duct
- machine
- oven
- transformer
- 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 31
- 238000010438 heat treatment Methods 0.000 claims abstract description 27
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910019974 CrSi Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000036314 physical performance Effects 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention provides a pneumatic overspeed machine for high-temperature-resistant testing of shafts, which comprises an air duct, an oven, a rack, a load shaft and an air compressor, wherein the bottom of the air duct is fixedly connected with a linear slide rail, a heating wire is installed in the oven and is connected with a power supply through a transformer, the linear slide rail, the oven and the transformer are all installed on the rack, an impeller is installed in the air duct, one end of the air duct is connected with the air compressor through an air inlet pipe, the impeller is coaxially and fixedly connected with one end of the load shaft, the other end of the load shaft extends out of the other end of the air duct, a centering chuck is installed in the load shaft and is used for clamping one end of the shaft to be tested, and when the other end of the shaft to be tested extends into the oven through pushing the air duct, the heating wire is used for heating the shaft to be tested. By adopting the technical scheme of the invention, the rotary motion of the shaft to be tested is driven by compressed air, the energy source is clean, the air duct can not be heated, the burning and the damage of the air duct can be avoided, the whole over-speed machine can stably and reliably run, and the energy conversion efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of production processes, and particularly relates to a high-temperature-resistant testing pneumatic overspeed machine for a shaft.
Background
The shaft is a common part in various mechanical equipment and also a part widely manufactured and processed in various mechanical manufacturing enterprises, the shaft is a mechanical part which supports rotating parts and rotates together with the rotating parts to transfer motion, torque or bending moment, after the shaft is manufactured and molded, the physical performance, the mechanical performance, the high temperature resistance, the high-rotating speed operation durability and the like of the shaft need to be tested, so as to prevent the shaft parts which are manufactured unqualified from being installed in the corresponding mechanical equipment and influence the stability and the reliability of the mechanical equipment performance, in the prior art, the test of the shaft parts is generally carried out by a method of simulating a use scene, so that the shaft runs for a period of time at a high rotating speed under a simulated high-temperature environment for a long time, and then the performance of the shaft is qualitatively judged by observing the damage condition of the shaft, for example, after a motor shaft is manufactured and molded, in order to test the performance of the motor shaft, the motor shaft needs to be driven to rotate in a high-temperature environment by electric power, however, in the prior art, the power consumption of the electric drive mode is often large, which brings great economic burden to testers, and no matter what kind of motor is adopted, the power factor of the motor is generally 0.7 to 0.9, namely when the electric drive mode is adopted, a part of electric energy is inevitably consumed on components such as a rotor and a stator inside the motor, so that the energy conversion efficiency is not high, and the components such as the rotor and the stator are heated, so that the heat dissipation is not facilitated, and the components inside the motor are easily burnt and damaged.
Disclosure of Invention
In order to solve the technical problem, the invention provides a high-temperature-resistant testing pneumatic overspeed machine for a shaft.
The invention is realized by the following technical scheme.
The invention provides a high-temperature-resistant testing pneumatic overspeed machine for shafts, which comprises an air duct, an oven, a rack, a load shaft and an air compressor, wherein the bottom of the air duct is fixedly connected with a linear slide rail, a heating wire is installed in the oven, the heating wire is connected with a power supply through a transformer, the linear slide rail, the oven and the transformer are all installed on the rack, an impeller is installed in the air duct, one end of the air duct is connected with the air compressor through an air inlet pipe, the impeller is coaxially and fixedly connected with one end of the load shaft, the other end of the load shaft extends out of the other end of the air duct, a centering chuck is installed in the load shaft and used for clamping one end of the shaft to be tested, and when the other end of the shaft to be tested extends into the oven through pushing the air duct, the heating wire is used for heating the shaft to be tested.
The heating wires are spirally coiled on the inner wall of the oven.
The transformer is a rotary transformer.
The rated output voltage of the transformer is 30V-75V.
And the air inlet pipe is also provided with a pressure gauge.
The rated output air pressure of the air compressor is not less than 0.6 MPa.
The rated rotating speed of the impeller is 13000r/min to 24000 r/min.
The frame is formed by welding angle steels.
And the oven is also provided with a temperature sensor, and the temperature sensor and the control end of the transformer are both connected into a controller.
The controller is a computer.
The invention has the beneficial effects that: by adopting the technical scheme of the invention, when the shaft to be tested is clamped in the centering chuck, the impeller is driven to rotate by compressed air, and then the shaft to be tested is driven to rotate at a high speed, when the other end of the shaft to be tested extends into the oven by pushing the air duct, the heating wire is used for heating the shaft to be tested, so that the shaft to be tested rotates at a high speed in a high-temperature environment, and the aim of simulating and testing the use scene of the shaft is fulfilled. The power passes through the transformer and is connected with the heater strip, and the user of being convenient for controls the heating temperature of the axle that awaits measuring through adjustment transformer output voltage according to the test demand to satisfy the test demand, simulate a plurality of application scenes of the axle that await measuring.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of the invention at I in FIG. 1.
In the figure: the device comprises the following components, by weight, 1-an air duct, 2-an oven, 3-a rack, 4-a loading shaft, 5-an air compressor, 6-a linear slide rail, 7-a heating wire, 8-a transformer, 9-an impeller, 10-an air inlet pipe, 11-a centering chuck, 12-a pressure gauge and 13-a temperature sensor.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 1 and 2, the invention provides a pneumatic overspeed machine for high-temperature test of a shaft, which comprises an air duct 1, an oven 2, a rack 3, a load shaft 4 and an air compressor 5, wherein the bottom of the air duct 1 is fixedly connected with a linear slide rail 6, a heating wire 7 is installed in the oven 2, the heating wire 7 is connected with a power supply through a transformer 8, the linear slide rail 6, the oven 2 and the transformer 8 are all installed on the rack 3, an impeller 9 is installed in the air duct 1, one end of the air duct 1 is connected with the air compressor 5 through an air inlet pipe 10, the impeller 9 is coaxially and fixedly connected with one end of the load shaft 4, the other end of the load shaft 4 extends out of the other end of the air duct 1, a centering chuck 11 is installed in the load shaft 4, the centering chuck 11 is used for clamping one end of the shaft to be tested, and when the other end of the shaft to be tested is extended into the oven 2 through pushing the air duct 1, the heating wire 7 is used for heating the shaft to be tested.
Further, the preferred power source is 220V ac. The heating wire 7 is coiled on the inner wall of the oven 2 in a spiral shape. Thereby uniformly heating the outer surface of the shaft to be tested.
In addition, the transformer 8 is a resolver. The rated output voltage of the transformer 8 is 30V to 75V. The inlet pipe 10 is also provided with a pressure gauge 12. Therefore, the pressure of the compressed air output by the air compressor is adjusted by observing the numerical value on the pressure gauge 12, so that the test requirement is met.
In addition, the rated output air pressure of the air compressor 5 is not less than 0.6 MPa. The rated rotating speed of the impeller 9 is 13000r/min to 24000 r/min. The frame 3 is formed by welding angle steels. The oven 2 is also provided with a temperature sensor 13, and the temperature sensor 13 and the control end of the transformer 8 are both connected to the controller. The controller is a computer. Furthermore, the computer and the testing device provided by the invention can be respectively installed in independent indoor rooms, so that the safety risk caused when personnel enter the room provided with the testing device in the testing process is avoided, the high-speed rotating motion of the shaft to be tested is driven by adopting aerodynamic force, the energy conversion efficiency is improved, the heating damage of corresponding parts such as an air duct and the like is avoided, meanwhile, compressed air belongs to clean energy, the testing environment is favorably improved, and furthermore, the material of the centering chuck 11 is preferably alloy steel with the brand number of 9 CrSi.
By adopting the technical scheme of the invention, when the shaft to be tested is clamped in the centering chuck, the impeller is driven to rotate by compressed air, and then the shaft to be tested is driven to rotate at a high speed, when the other end of the shaft to be tested extends into the oven by pushing the air duct, the heating wire is used for heating the shaft to be tested, so that the shaft to be tested rotates at a high speed in a high-temperature environment, and the aim of simulating and testing the use scene of the shaft is fulfilled. The power passes through the transformer and is connected with the heater strip, and the user of being convenient for controls the heating temperature of the axle that awaits measuring through adjustment transformer output voltage according to the test demand to satisfy the test demand, simulate a plurality of application scenes of the axle that await measuring.
Claims (10)
1. The utility model provides a high temperature resistant test pneumatic overspeed machine of axle which characterized in that: the test device comprises an air duct (1), an oven (2), a rack (3), a load shaft (4) and an air compressor (5), wherein the bottom of the air duct (1) is fixedly connected with a linear slide rail (6), a heating wire (7) is installed in the oven (2), the heating wire (7) is connected with a power supply through a transformer (8), the linear slide rail (6), the oven (2) and the transformer (8) are all installed on the rack (3), an impeller (9) is installed in the air duct (1), one end of the air duct (1) is connected with the air compressor (5) through an air inlet pipe (10), the impeller (9) is coaxially and fixedly connected with one end of the load shaft (4), the other end of the load shaft (4) extends out of the other end of the air duct (1), a centering chuck (11) is installed in the load shaft (4), and the centering chuck (11) is used for clamping one end of a shaft to be tested, when the other end of the shaft to be tested extends into the oven (2) by pushing the air duct (1), the heating wire (7) is used for heating the shaft to be tested.
2. The high temperature test pneumatic overspeed machine of shaft of claim 1, characterized by: the heating wires (7) are spirally coiled on the inner wall of the oven (2).
3. The high temperature test pneumatic overspeed machine of shaft of claim 1, characterized by: the transformer (8) is a rotary transformer.
4. The high temperature test pneumatic overspeed machine of shaft of claim 1, characterized by: the rated output voltage of the transformer (8) is 30V-75V.
5. The high temperature test pneumatic overspeed machine of shaft of claim 1, characterized by: and the air inlet pipe (10) is also provided with a pressure gauge (12).
6. The high temperature test pneumatic overspeed machine of shaft of claim 1, characterized by: and the rated output air pressure of the air compressor (5) is not less than 0.6 MPa.
7. The high temperature test pneumatic overspeed machine of shaft of claim 1, characterized by: the rated rotating speed of the impeller (9) is 13000r/min to 24000 r/min.
8. The high temperature test pneumatic overspeed machine of shaft of claim 1, characterized by: the rack (3) is formed by welding angle steels.
9. The high temperature test pneumatic overspeed machine of shaft of claim 1, characterized by: and a temperature sensor (13) is also installed on the oven (2), and the temperature sensor (13) and the control end of the transformer (8) are both connected to a controller.
10. The high temperature test pneumatic overspeed machine of claim 9, characterized by: the controller is a computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110858222.7A CN113588236A (en) | 2021-07-28 | 2021-07-28 | High-temperature-resistant testing pneumatic overspeed machine for shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110858222.7A CN113588236A (en) | 2021-07-28 | 2021-07-28 | High-temperature-resistant testing pneumatic overspeed machine for shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113588236A true CN113588236A (en) | 2021-11-02 |
Family
ID=78251158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110858222.7A Pending CN113588236A (en) | 2021-07-28 | 2021-07-28 | High-temperature-resistant testing pneumatic overspeed machine for shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113588236A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102507184A (en) * | 2011-10-24 | 2012-06-20 | 河南科技大学 | Common test bed device for use in vertical-axis wind wheel performance test |
| CN108519235A (en) * | 2018-03-17 | 2018-09-11 | 北京化工大学 | Air impeller drive-type birotor testing stand |
| CN109443763A (en) * | 2018-09-04 | 2019-03-08 | 北京航空航天大学 | Test device and test method for machine tool chief axis reliability |
| CN111337254A (en) * | 2020-04-03 | 2020-06-26 | 重庆江增船舶重工有限公司 | System and method for testing floating thrust bearing of axial flow turbine supercharger |
| CN111693280A (en) * | 2020-06-03 | 2020-09-22 | 宁波大学 | Pneumatic bearing rotating speed measuring device and measuring method |
| CN112284749A (en) * | 2020-09-07 | 2021-01-29 | 武汉理工大学 | Comprehensive experiment platform for testing high-temperature components |
-
2021
- 2021-07-28 CN CN202110858222.7A patent/CN113588236A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102507184A (en) * | 2011-10-24 | 2012-06-20 | 河南科技大学 | Common test bed device for use in vertical-axis wind wheel performance test |
| CN108519235A (en) * | 2018-03-17 | 2018-09-11 | 北京化工大学 | Air impeller drive-type birotor testing stand |
| CN109443763A (en) * | 2018-09-04 | 2019-03-08 | 北京航空航天大学 | Test device and test method for machine tool chief axis reliability |
| CN111337254A (en) * | 2020-04-03 | 2020-06-26 | 重庆江增船舶重工有限公司 | System and method for testing floating thrust bearing of axial flow turbine supercharger |
| CN111693280A (en) * | 2020-06-03 | 2020-09-22 | 宁波大学 | Pneumatic bearing rotating speed measuring device and measuring method |
| CN112284749A (en) * | 2020-09-07 | 2021-01-29 | 武汉理工大学 | Comprehensive experiment platform for testing high-temperature components |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204003104U (en) | Gas turbine engine | |
| CN103649496B (en) | Hot-air engine | |
| CN113588236A (en) | High-temperature-resistant testing pneumatic overspeed machine for shaft | |
| CN203629781U (en) | Intercooler hot-air circulation simulation test bench | |
| CN201569156U (en) | Air source heat pump water heater | |
| CN210242402U (en) | High-efficient sintering device of alumina ceramics | |
| CN201428579Y (en) | Electromagnetic heating device for heat pump air-conditioner compressor | |
| CN209104991U (en) | A kind of assembly device of rotor axis of electric | |
| CN207488148U (en) | A kind of experimental rig for the adhesiveness for testing metal surface thermally grown oxide film | |
| CN207308656U (en) | Track press bending apparatus | |
| CN216008808U (en) | Dynamic performance and flow measurement platform of compressed air energy storage turbine | |
| CN205190229U (en) | Energy -conserving air heating helical -lobe compressor | |
| CN208382783U (en) | A kind of containing box processing drying unit | |
| CN207962713U (en) | Boiler flame detecting probe air cooling equipment | |
| CN104901141B (en) | Energizing device for refrigerator compressor performance test equipment | |
| CN105276984A (en) | High temperature sintering furnace | |
| CN113915155B (en) | Evaluation method for production operation use effect of steam-electric double-drive induced draft fan | |
| CN206925177U (en) | A kind of hot-rolling pressure device of metal plate bender | |
| CN205066445U (en) | High -temperature sintering furnace | |
| CN208937482U (en) | A kind of high temperature ageing case | |
| CN205135950U (en) | Hot -blast discharge system of air compressor | |
| CN212841821U (en) | Silencing and low-voltage power supply W-shaped fin dry-burning electric heating tube hot air box heating equipment | |
| CN219103022U (en) | Novel rotary type flue gas heat exchanger | |
| CN204077291U (en) | A kind of STH being applied to electrocar | |
| CN213790850U (en) | Dehumidification system utilizing waste heat of air compressor |
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 |