CN103698098A - Heat engine coupling combined environment testing method and system - Google Patents
Heat engine coupling combined environment testing method and system Download PDFInfo
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- CN103698098A CN103698098A CN201310738591.8A CN201310738591A CN103698098A CN 103698098 A CN103698098 A CN 103698098A CN 201310738591 A CN201310738591 A CN 201310738591A CN 103698098 A CN103698098 A CN 103698098A
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Abstract
The invention discloses a heat engine coupling combined environment testing method and system. The method comprises the following steps: a test piece is sleeved with a conductive coil, the conductive coil is connected with alternating current to achieve electromagnetic induction eddy current heating of the test piece, and simultaneously vibration generating equipment performs vibration testing on the test piece. The system comprises the vibration generating equipment and the conductive coil, wherein the vibration generating equipment is used for performing vibration testing on the test piece, and the conductive coil is at least used for sleeving the test piece in a vibration testing process and performing electromagnetic induction eddy current heating on the test piece. The heat engine coupling combined environment testing system provided by the invention is simple in structure, easy to install, maintain and operate and low in energy consumption and cost, and can achieve comprehensive mechanical property testing of the test piece, and the vibration generating equipment cannot be damaged.
Description
Technical field
The present invention relates to a kind of combined environment test method and system, particularly a kind of heat engine coupling combined environment test method and system.
Background technology
For the arbor, impeller, the spark plug that are distributed in the equipment such as steam turbine, internal combustion engine, because it needs long-time running in hot environment, and also need to bear Various Complex mechanical function simultaneously, so before by its normal use, generally need to carry out integrated environment test to it, to find out its high temperature weather resistance, mechanical fatigue life-span etc., and then the safe and stable operation of support equipment, potential safety hazard stopped.
Consulting shown in Fig. 1 is the structure of current conventional integrated environment test system, it mainly comprises a temperature control box and a vibration generation equipment 1, in test process, be that test specimen is placed in to temperature control box, and by the whole inner cavity of temperature control box being heated to the heating realizing test specimen, but this mode device structure is complicated, energy consumption is high, and (this often causes the load of vibrating generation equipment to increase on the work top of vibration generation equipment, generally to need to load transition head, reduce its performance) etc., but even so, work top still can have certain contact with temperature control box inner chamber, make the heat in temperature control box inevitably can conduct to vibration generation equipment, and the non-high-temperature resistant assembly that may cause vibrating in generation equipment is damaged.In addition, due to test specimen, be at least that test specimen main body need be placed in temperature control box, make in vibration-testing process, cannot carry out omnibearing Mechanics Performance Testing to test specimen.
Summary of the invention
In view of the deficiencies in the prior art, the object of the present invention is to provide a kind of heat engine coupling combined environment test method and system, its energy consumption is low, can be in the situation that vibration generation equipment not being caused to any damage, can realize test specimen is carried out to comprehensive environmental test, comprise various types of Mechanics Performance Testings.
For achieving the above object, the technical solution used in the present invention is as follows:
A heat engine coupling combined environment test method, comprising: sheathed conductive coil on test specimen, and pass into exchange current in described conductive coil, realize the electromagnetic induction eddy current heating to test specimen, and with vibration generation equipment, test specimen is carried out to vibration-testing simultaneously.
As one of preferred embodiment, in vibration-testing process, also at least the part of test specimen is applied at least to the External Force Acting in order to test specimen described in extruding, stretching, bending or twisting, and with corresponding sensing device monitoring test specimen the strained situation for described External Force Acting.
Wherein, in order to test specimen is applied to the equipment of the External Force Acting of described extruding, stretching, bending or twisting, comprise hydraulic pressure application of force equipment, electric force application equipment or pneumatic application of force equipment, but be not limited to this.
A heat engine coupling integrated environment test system, comprising:
Vibration generation equipment, in order to test specimen is carried out to vibration-testing,
And conductive coil, at least in order to be sheathed on test specimen in vibration-testing process, and carries out electromagnetic induction eddy current heating to test specimen.
As one of preferred embodiment, described system also comprises:
Force application apparatus, can push in order at least the part of test specimen is applied at least in vibration-testing process, the External Force Acting of test specimen described in stretching, bending or twisting;
And sensing device, in order to monitor test specimen for the strained situation of described External Force Acting.
Further, described force application apparatus comprises hydraulic pressure application of force equipment, electric force application equipment or pneumatic application of force equipment, but is not limited to this.
As one of feasible embodiment, described test specimen is fixedly installed on the work top of vibration generation equipment.
Wherein, described vibration generation equipment can be selected from electric vibration table, but is not limited to this.
Compared with prior art, advantage of the present invention is at least:
(1) heat engine of the present invention coupling combined environment test method easy operating, energy consumption is low, can not cause any damage to vibration generation equipment, and can realize test specimen is carried out to comprehensive Mechanics Performance Testing.
(2) heat engine coupling integrated environment test system of the present invention is simple in structure, is easy to installation and maintenance, easy operating, and energy consumption is low, cost is low, can realize test specimen is carried out to comprehensive Mechanics Performance Testing, and can not damage vibration generation equipment.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing heat engine coupling integrated environment test system;
Fig. 2 is the structural representation of a kind of heat engine coupling integrated environment test system in one embodiment of this invention;
Fig. 3 is the structural representation of a kind of heat engine coupling integrated environment test system in one embodiment of the invention;
Fig. 4 is the vertical view of a kind of heat engine coupling integrated environment test system in one embodiment of the invention;
In figure, each assembly and Reference numeral thereof are respectively: 1-vibration generation equipment, work top-11, transition head-12, flexible sealing connection-13, clamp assembly-14, adiabatic clamp assembly-14 ', temperature control box-2, test specimen-3, conductive coil-4, the first force application mechanism 5, the second force application mechanism 6, the 3rd force application mechanism 7.
Embodiment
Below in conjunction with accompanying drawing and corresponding embodiment, technical scheme of the present invention is done to more detailed explanation.
As previously mentioned, in view of existing integrated environment test system existing many deficiencies when being applied to test the assemblies such as internal combustion engine arbor, blade, spark plug, for example, need cause energy consumption height and vibration generation equipment to be subject to fire damage with the whole heating of temperature control box, the first-class vibration generation apparatus of load that causes of transition need be installed on the work top of vibration generation equipment to be increased, cannot realize the comprehensive mechanical property of test specimen is tested, etc.This case inventor has proposed a kind of novel heat engine coupling combined environment test method and system.
As one aspect of the present invention, this heat engine coupling combined environment test method comprises: sheathed conductive coil on test specimen, and pass into exchange current in described conductive coil, realize the electromagnetic induction eddy current heating to test specimen, and with vibration generation equipment, test specimen is carried out to vibration-testing simultaneously.
And as another aspect of the present invention, this heat engine coupling integrated environment test system comprises:
Vibration generation equipment, in order to test specimen is carried out to vibration-testing,
And conductive coil, at least in order to be sheathed on test specimen in vibration-testing process, and carries out electromagnetic induction eddy current heating to test specimen.
Consulting shown in Fig. 2 is an exemplary embodiments of the present invention, and wherein, this heat engine coupling integrated environment test system involving vibrations generation equipment 1(for example, electric vibration table), wherein, test specimen 3 is to be connected on the work top 11 of vibration generation equipment 1, and on test specimen, is arranged with conductive coil 4.In test process, by pass into exchange current in conductive coil 4, can realize test specimen 3 is carried out to electromagnetic induction eddy current heating.
Wherein, temperature required for test specimen 3 is heated to, the intensity of the exchange current that can input by adjusting realizes.And be the stable input that still keeps electric current in vibration test process, the current input terminal of conductive coil can be connected with AC power by flexible electrical connected mode etc.
Further, in order to prevent that the heat of test specimen in vibration test process from conducting on work top, and realize test specimen and be connected with the firm of work top, can adiabatic clamp assembly 14 ' etc. be set between, but its structure can be similar to existing clamp assembly 14, and only need material etc. to adjust.
Further, when saving the assemblies such as temperature control box, also can omit the first-class assembly of existing transition, thereby reduce the movement load of vibration generation equipment, guarantee its serviceability.
Obviously, heat engine of the present invention coupling integrated environment test system structure is more simple than existing integrated environment test system, and it can concentrate heating for test specimen, can effectively reduce energy consumption, and stops to vibrate the be heated problem of damage of generation equipment.
Further, by heat engine coupling integrated environment test system of the present invention, also can, in carrying out the process of combined environment test, realize the integration test to test specimen mechanical property.For example, can pass through a plurality of force application apparatus, in vibration-testing process, at least the part of test specimen is applied at least to the External Force Acting in order to test specimen described in extruding, stretching, bending or twisting, simultaneously can also corresponding sensing device monitoring test specimen for the strained situation of described External Force Acting.
According to the demand of practical application, aforesaid these External Force Actings can or be applied on test specimen successively simultaneously.
Aforementioned force application apparatus can be selected hydraulic pressure application of force equipment, electric force application equipment or pneumatic application of force equipment, but is not limited to this.
For example, refer to Fig. 3-4, for axle class test specimen, can by with test specimen 3 rigidly connected force application apparatus 5 in two ends etc., vertically to test specimen exert pressure F1 or tensile force F2 etc.; And/or, also can pass through along different directions (direction as shown in a, b) rotation force application apparatus 5, thereby test specimen is imposed to twisting force.
And meanwhile or not in the same time, also can utilize force application apparatus 6 etc., vertically the different parts of test specimen is applied respectively to radial thrust F3 etc., thereby test test specimen is in the bend resistance performance of vertical direction etc.
Or, also can utilize force application apparatus 7 etc., along continuous straight runs applies respectively radial thrust F4 etc. to the different parts of test specimen, thus test test specimen bend resistance performance in the horizontal direction etc.
And for test specimens such as blades, also can, according to similar mode, realize its specific portion or whole Mechanics Performance Testing.
In addition, it is pointed out that at instructions of the present invention, the electric vibration table of only usining illustrates as example, but in fact, the vibration generation equipment in the present invention also can be selected vibrator, falling test stand etc.
It is pointed out that above is only concrete exemplary applications of the present invention, and protection scope of the present invention is not constituted any limitation.All employing equivalents or equivalence are replaced and the technical scheme of formation, within all dropping on rights protection scope of the present invention.
Claims (10)
1. heat engine coupling combined environment test method, it is characterized in that, comprising: sheathed conductive coil on test specimen, and pass into exchange current in described conductive coil, the electromagnetic induction eddy current heating of realization to test specimen, and with vibration generation equipment, test specimen is carried out to vibration-testing simultaneously.
2. heat engine according to claim 1 coupling combined environment test method, it is characterized in that, in vibration-testing process, also at least the part of test specimen is applied at least to the External Force Acting in order to test specimen described in extruding, stretching, bending or twisting, and with corresponding sensing device monitoring test specimen the strained situation for described External Force Acting.
3. heat engine coupling combined environment test method according to claim 2, is characterized in that, in order to test specimen is applied to the equipment of the External Force Acting of described extruding, stretching, bending or twisting, comprises hydraulic pressure application of force equipment, electric force application equipment or pneumatic application of force equipment.
4. heat engine coupling combined environment test method according to claim 1, is characterized in that, described test specimen is fixedly installed on the work top of vibration generation equipment, and between described test specimen and work top, is also provided with insulating assembly.
5. according to the heat engine coupling combined environment test method described in any one in claim 1-4, it is characterized in that, described vibration generation equipment comprises electric vibration table.
6. a heat engine coupling integrated environment test system, is characterized in that, comprising:
Vibration generation equipment, in order to test specimen is carried out to vibration-testing,
And conductive coil, at least in order to be sheathed on test specimen in vibration-testing process, and carries out electromagnetic induction eddy current heating to test specimen.
7. heat engine coupling integrated environment test system according to claim 6, is characterized in that, it also comprises:
Force application apparatus, can push in order at least the part of test specimen is applied at least in vibration-testing process, the External Force Acting of test specimen described in stretching, bending or twisting;
And sensing device, in order to monitor test specimen for the strained situation of described External Force Acting.
8. heat engine coupling integrated environment test system according to claim 7, is characterized in that, described force application apparatus comprises hydraulic pressure application of force equipment, electric force application equipment or pneumatic application of force equipment.
9. heat engine coupling integrated environment test system according to claim 6, is characterized in that, described test specimen is fixedly installed on the work top of vibration generation equipment, and between described test specimen and work top, is also provided with insulating assembly.
10. according to the heat engine coupling integrated environment test system described in any one in claim 6-9, it is characterized in that, described vibration generation equipment comprises electric vibration table.
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| CN108519225A (en) * | 2018-03-19 | 2018-09-11 | 江苏大学 | A kind of detection device and method of blade of aviation engine high-temperature vibrating fatigue properties |
| CN111024349A (en) * | 2019-12-23 | 2020-04-17 | 北京工业大学 | High-temperature multi-axis vibration fatigue test method |
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