CN203758939U - System for carrying out heat-resisting fatigue test on integral component - Google Patents
System for carrying out heat-resisting fatigue test on integral component Download PDFInfo
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- CN203758939U CN203758939U CN201420162187.0U CN201420162187U CN203758939U CN 203758939 U CN203758939 U CN 203758939U CN 201420162187 U CN201420162187 U CN 201420162187U CN 203758939 U CN203758939 U CN 203758939U
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Abstract
The utility model discloses a system for carrying out a heat-resisting fatigue test on an integral component. The system comprises an accommodating device, a heating furnace, a water tank and a PLC (programmable logic controller), wherein the accommodating device is equipped with a plurality of accommodating cavities which are used for accommodating the same type of component groups; the component groups comprise a plurality of components which are made of the same material or have different structures; the accommodating device is accommodated in the heating furnace for heating; a water circulating control device is arranged in the water tank; the components in the accommodating device are arranged in the water tank for cooling after being heated; the PLC is used for controlling operation of a test system. The system disclosed by the utility model can be used for testing a plurality of components with multiple types at the same time, so that the heat fatigue performance of each component can be intuitively compared, and the accuracy and the efficiency of the test are high.
Description
Technical field
The utility model relates to engine art, particularly a kind of system of overall parts being carried out to heat-resistant anti-fatigue test.
Background technology
Cylinder block, cylinder head, gas outlet etc. are the main parts size of engine, and the quality of its heat-resistant anti-fatigue performance directly affects the overall quality of engine.Once the parts of engine carry out material altering or structure is changed the fail-test that all must carry out simulated condition.The parts such as cylinder block, cylinder head, gas outlet need at high temperature be worked, and therefore, for material altering or the architecture advances of these parts, all need to carry out heat-resistant anti-fatigue test.At present the heat-resistant anti-fatigue test of the parts such as engine cylinder block, cylinder head, gas outlet is had to following mode.
The first is to do fail-test on engine rig test machine, and this mode need to be assembled on an engine for the parts of every kind of structure or material, is then connected to and on bench test machine, carries out fail-test.For an engine of parts assembling of every kind of structure or material, experimentation cost is very high; And single test can only be tested parts, each test needs 500 hours consuming time under normal circumstances, and the same parts of different structure or material are all done to single test, and the cycle is very long, and efficiency is very low; Different structure to same parts or material are tested simultaneously, cannot warranty test condition identical, and cannot directly contrast, and such test error is larger.
The second is to be processed as the standard sample that structure is identical after thin slice is got in the part of parts, or the test block identical with this parts material is processed into the standard sample that structure is identical, standard sample is heated to after design temperature in small-sized heating arrangement (heating-up temperature is below 200 DEG C), the mode of water or air is cooling again stays for some time, so repeatedly do thermal shock torture test, make a determination according to morning and evening and the spreading rate of heat fatigue cracking germinating.
Metal material, zero member under pulsating stress or cyclic strain effect, at a place or a few place produce gradually local prominent accumulated damage, after certain cycle index, there is partially or completely fracture, fracture comprises the process of germinating and the expansion of crackle.
Because the maximum temperature of the small-sized heating arrangement in this mode is below 200 DEG C, and the working temperature of cylinder block, cylinder head, gas outlet is more than 500 DEG C, therefore cannot simulate the heat fatigue situation of the parts of these parts under actual condition; This mode cannot be reacted the thermal fatigue property of the parts of the different structure of commaterial, and therefore test findings accuracy is not good enough; When test, need special messenger to operate at the scene, every several minutes cold cycling, all need operating personnel to take out exemplar and to put into water cooling from heating arrangement at every turn, and then put back in heating arrangement, working strength is high, and efficiency is low.
In addition, also has a kind of thermal fatigue tester of cylinder head, get out several through holes in relevant position according to the temperature field distribution situation in cylinder head, be used for installing thermopair, the parameter such as heating-up temperature and cool time at each position is set in PLC system, then by coil, the combustion chamber regions of cylinder cap bottom surface is carried out to circulating heating and air cooling to pass judgment on crack initiation and propagation situation.This mode can only be done experiment to cylinder head, and versatility is poor; Only can test a cylinder at every turn, for avoiding impacting closing on cylinder, can only test non-conterminous two cylinders, as the cylinder head of six cylinders can only to second and the 5th cylinder test, cannot determine whether those cylinders of not doing experiment exist weak location; The temperature field of different cylinder head distributes different, need to prepare special coil, and thermopair only can disposablely use, and experimentation cost is high; Only can test a cylinder head at every turn, can not test the cylinder head scheme that adopts different structure or different materials simultaneously, cannot ensure that their test condition is identical, and cannot directly contrast that the quality of passing judgment on each scheme is had to certain influence.
The information that is disclosed in this background technology part is only intended to increase the understanding to general background of the present utility model, and should not be regarded as admitting or imply that in any form this information structure has been the known prior art of persons skilled in the art.
Utility model content
The purpose of this utility model is to provide a kind of pilot system of parts entirety heat-resistant anti-fatigue, thereby overcomes the shortcoming that heat-resistant anti-fatigue test efficiency is low, accuracy is not good enough of the parts such as engine cylinder block, cylinder head, gas outlet.
For achieving the above object, the utility model provides a kind of system of overall parts being carried out to heat-resistant anti-fatigue test, system comprises: accommodating device, be provided with multiple accommodating cavities, multiple accommodating cavities are for the parts group of accommodating same type, and parts group comprises multiple parts of different materials or different structure; Heating furnace, accommodating device is contained in heating furnace and heats; Water tank, is provided with water circulation control device in it, the parts in accommodating device after heating, be placed in water tank, carry out cooling; And PLC controller, the operation of its control test system.
Preferably, in technique scheme, heat-resistant anti-fatigue pilot system also comprises the automatic hoisting mechanism that coordinates operation with PLC controller, and hoisting mechanism comprises suspension hook automatically, and the cross slide way that suspension hook is laterally slided and longitudinal rail and ram that suspension hook is moved up and down; Cross slide way is by cross beam support, and crossbeam is provided with the scrambler of the running orbit for instructing suspension hook.
Preferably, in technique scheme, be provided with and movably settle platform in heating furnace, accommodating device is placed on to be settled on platform.
Preferably, in technique scheme, accommodating device is provided with bale handle and buckle, and bale handle is fixed by snap on accommodating device, for transport accommodating device.
Preferably, in technique scheme, heating furnace fixes on the ground.
Preferably, in technique scheme, heating furnace is partly fixed on subsurface, and accommodating device is placed on the bottom of heating furnace.
Compared with prior art, the utlity model has following beneficial effect:
Accommodating device of the present utility model can the disposable same type to different structure or material parts group test, the parts group of every type has multiple parts of different structure or material, ensure that they test under the same conditions, can contrast intuitively the thermal fatigue property of the parts group of the same type of different structure or material, simultaneously, the working temperature of the maximum temperature of heating furnace and parts to be tested is adaptive or higher, guarantee parts at actual condition or more under exacting terms, test, therefore compared with prior art, the accuracy of test is higher, and the test period is short, efficiency is high.Accommodating device is applicable to polytype parts group, and applied range greatly reduces cost and the overall efficiency of test.Two kinds of patterns of PLC controller are more humane, can applicable pattern be set according to the feature of parts, in guaranteeing test findings accuracy, ensured overall efficiency.
Brief description of the drawings
Fig. 1 is according to the structural drawing of the pilot system of parts heat-resistant anti-fatigue of the present utility model embodiment.
Fig. 2 is according to the structural drawing of another embodiment of the pilot system of parts heat-resistant anti-fatigue of the present utility model.
Fig. 3 is according to the structural drawing of the stress state of heating furnace of the present utility model.
Fig. 4 is according to the structural drawing of the heated condition of heating furnace of the present utility model.
Fig. 5 is the front view according to accommodating device of the present utility model.
Fig. 6 is the vertical view according to accommodating device of the present utility model.
Main description of reference numerals:
1-heating furnace, 101-settles platform, 102-fire door/lid, 2-water tank, 3-PLC controller, 4-accommodating device, 41-accommodating cavity, 42-bale handle, 43-buckle, 5-suspension hook, 6-cross slide way, 7-crossbeam, 8-column, 9-longitudinal rail, 10-ram, 11-reductor, 12-adjusting mechanism, 13-ground.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but is to be understood that protection domain of the present utility model is not subject to the restriction of embodiment.
Unless separately there is other clearly to represent, otherwise in whole instructions and claims, term " comprises " or its conversion was stated being understood to include as " comprising " or " including " etc. element or ingredient, and do not get rid of other element or other ingredient.
As shown in Figure 1, according to an embodiment of the present utility model, the pilot system of parts heat-resistant anti-fatigue comprises heating furnace 1, water tank 2, accommodating device 4, PLC controller 3 and automatic hoisting mechanism.
As shown in Fig. 1 and Fig. 2-3, heating furnace 1(heating-up temperature is 200 DEG C-1000 DEG C) be fixed on ground 13, heating furnace 1 is provided with fire door 102, in heating furnace 1, be provided with and settle platform 101, settle platform 101 to be provided with the fixed position of placing accommodating device 4, settle platform 101 to move with respect to heating furnace 1, for transporting accommodating device 4, as shown in Figures 2 and 3.Heating furnace 1 is provided with settles platform induction installation, settles platform induction installation to be controlled by PLC controller 3.
As shown in Figure 5,6, the profile of the accommodating device 4 of the present embodiment is cube, in accommodating device 4, be provided with multiple accommodating cavities 41, can hold the parts group of a type simultaneously, every kind of parts group comprises multiple parts of different materials or structure, and place upward the primary part observation position of parts to be tested, is convenient to contrast in process of the test.Accommodating device 4 is applicable to dissimilar parts, as cylinder block, cylinder head, gas outlet.Accommodating device 4 is provided with bale handle 42, is convenient to carry out handling by automatic hoisting mechanism in process of the test.Accommodating device 4 is provided with buckle 43, before test by buckle 43 with bale handle 42 in released state, be convenient to the interior placement parts of accommodating device 4, parts are put well and are blocked bale handle 42 with buckle 43 buckle 43 is vertically fixed afterwards, are convenient to realize automatic handling.
As shown in Figure 1, hoisting mechanism comprises suspension hook 5 automatically, and for making the horizontal cross slide way 6 sliding of suspension hook 5 and the longitudinal rail 9 for suspension hook is moved up and down.Article two, cross slide way 6 supports by crossbeam 7, and longitudinal rail 9 is provided with ram 10.Crossbeam 7 is provided with scrambler (not shown), and scrambler instructs the running orbit of suspension hook 5 under the control of PLC controller 3.After the arrangement platform 101 of heating furnace 1 moves out with electric furnace accommodating device 4, scrambler control suspension hook 5 on crossbeam 7 runs to ram 10 while approaching directly over bale handle 42 along guide rail 6 and drives suspension hook 5 to move to the upper summit of suspension hook lower than bale handle 42 downwards, suspension hook 5 moves to forward under bale handle 42 along guide rail 6 again, suspension hook 5 and ram 10 longitudinally guide rail 9 rise, accommodating device 4 is risen to certain altitude, and suspension hook 5 handlings accommodating device 4 and after water tank 2 directions move to directly over water tank 2, accommodating device 4 are put into water tank 2 along guide rail 6.Unhook process is contrary with the process of slinging, and the parts in accommodating device 4 are sling accommodating device 4 by the stroke of slinging and are placed into settle at the default rear hanger 5 cool time of the interior arrival of water tank 2 and enter next circulation on platform 101.Column 8 is supported on crossbeam 7 on ground 13, and column 8 is provided with adjusting mechanism 12, for adjusting the height balance of whole automatic hoisting mechanism.
A part for water tank 2 is placed in default heavy hole, another part bassets 13, in water tank 2, be provided with water circulation control device (not shown), and be provided with external water tank and water circulation system, water and external water tank that water circulating pump promotes in water tank circulate.It is cooling that water circulation system in water tank can be accelerated water temperature, in process of the test, water temperature remains on below 70 DEG C, can design accordingly the size of water tank, generally at 2m × 3m × 2m, according to the field requirement certain altitude that can basset, remainder sinks in hole with sinking to, guarantees that water temperature remains on certain limit to reach cooling effect.
Fig. 2 shows another embodiment of the pilot system of parts heat-resistant anti-fatigue of the present utility model, be with the difference of the embodiment shown in Fig. 1, heating furnace 1 is pit furnace, its part is placed in default heavy hole, bell 102 is by the induction automatic opening/closing of PLC controller, saved arrangement platform 101, the profile of accommodating device 4 is cylindrical, and when heating, accommodating device 4 is placed on the bottom of heating furnace 1.
PLC controller 3 has two kinds of test models:
One is automatic mode, predetermined global cycle number of times is set, and pilot system completes after predetermined global cycle number of times, and pilot system is out of service, the prompting of PLC controller finishes, subsequently the cracks of each parts of the same type of testing crew contrast different materials or different structure;
Another kind is timing observing pattern, estimate cycle index (cracking estimating parts after cycle index) according to parts, predetermined global cycle number of times is set, and predetermined observing time and the multiple predetermined cyclic node that needs to observe, the more approaching cycle index of estimating, the frequency of observation is higher.As, estimating cycle index is 100 times, predetermined cyclic node is the 70th time, the 80th time, the 85th time, the 90-100 time, in circulation after the 70th time, the 80th time, the 85th time, the 90-100 time and the 100th time each time time, crack initiation and the spread scenarios of observation parts.
The test method of parts heat-resistant anti-fatigue of the present utility model comprises the steps:
Preset heating temperature, the predetermined temperature retention time of heating furnace 1, predetermined cool time and the test model of accommodating device 4 in water tank 2 of heating furnace 1 are set by PLC controller 3;
The arrangement platform 101 of heating furnace 1 is shifted out from heating furnace 1, accommodating device 4 is placed on the fixed position of settling platform 101, parts group to be tested is placed in accommodating cavity 41, after loading, with buckle 43, bale handle 42 is fixed, starting characteristics test system, make to settle platform 101 to move in heating furnace 1 with arranging device 4 by PLC controller 3, and automatically close fire door 102;
Start heating furnace 1, the parts in accommodating device 4 are heated to preset heating temperature, and in the predetermined temperature retention time of the interior insulation of heating furnace 1;
Under the control of PLC controller 3, fire door 102 is opened automatically, settle platform 101 move to precalculated position, suspension hook 5 by automatic hoisting mechanism by accommodating device 4 handlings to water tank 2;
By external water tank and water circulation system, the water temperature in water tank 2 is remained in 70 DEG C, accommodating device 4 was retained to after default cool time in water tank 2, automatically hoisting mechanism by suspension hook 5 by accommodating device 4 handlings to settling on platform 101, and automatically-unhooked;
If PLC controller 3 is timing observing pattern, testing crew is in predetermined cyclic node, when accommodating device 4 is when water tank 2 handlings are to heating furnace 1, testing crew is observed crack initiation and the spread scenarios of parts, passes judgment on the quality of the parts of different structure or different materials;
If PLC controller 3 is automatic mode, complete testing crew after predetermined global cycle number of times and observe the cracks of parts, pass judgment on the quality of the parts of different structure or different materials.
Preset heating temperature can be set to the working temperature of parts, if the preset heating temperature of cylinder head is 500 DEG C, or is set to higher temperature, to accelerate the heat fatigue speed of parts, if the preset heating temperature of cylinder head is 700 DEG C.
Accommodating device of the present utility model can the disposable same type to different structure or material parts group test, the parts group of every type has multiple parts of different structure or material, ensure that they test under the same conditions, can contrast intuitively the thermal fatigue property of the parts group of the same type of different structure or material, simultaneously, the working temperature of the maximum temperature of heating furnace and parts to be tested is adaptive or higher, guarantee parts at actual condition or more under exacting terms, test, therefore compared with prior art, the accuracy of test is higher, and the test period is short, efficiency is high.Accommodating device is applicable to polytype parts group, and applied range greatly reduces cost and the overall efficiency of test.Two kinds of patterns of PLC controller are more humane, can applicable pattern be set according to the feature of parts, in guaranteeing test findings accuracy, ensured overall efficiency.
The aforementioned description to concrete exemplary of the present utility model is in order to illustrate and the object of illustration.These descriptions not want the utility model to be defined as disclosed precise forms, and obviously, according to above-mentioned instruction, can much change and change.Exemplary embodiment is selected and the object described is to explain certain principles of the present utility model and practical application thereof, thereby made those skilled in the art can realize and utilize various exemplary of the present utility model and various selection and change.Scope of the present utility model is intended to be limited by claims and equivalents thereof.
Claims (6)
1. a system of overall parts being carried out to heat-resistant anti-fatigue test, is characterized in that, described system comprises:
Accommodating device, is provided with multiple accommodating cavities, and described multiple accommodating cavities are for the parts group of accommodating same type, and described parts group comprises multiple parts of different materials or different structure;
Heating furnace, described accommodating device is contained in described heating furnace and heats;
Water tank, is provided with water circulation control device in it, the parts in described accommodating device after heating, be placed in described water tank, carry out cooling; And
PLC controller, it controls the operation of described pilot system.
2. system according to claim 1, it is characterized in that, described heat-resistant anti-fatigue pilot system also comprises the automatic hoisting mechanism that coordinates operation with described PLC controller, described automatic hoisting mechanism comprises suspension hook, and the cross slide way that described suspension hook is laterally slided and longitudinal rail and ram that described suspension hook is moved up and down; Described cross slide way is by cross beam support, and described crossbeam is provided with the scrambler of the running orbit for instructing described suspension hook.
3. system according to claim 1 and 2, is characterized in that, in described heating furnace, is provided with and movably settles platform, and described accommodating device is fixed on described arrangement platform.
4. system according to claim 1, is characterized in that, described accommodating device is provided with bale handle and buckle, and described bale handle is fixed on described accommodating device by described buckle, for transporting described accommodating device.
5. system according to claim 3, is characterized in that, described heating furnace fixes on the ground.
6. system according to claim 1 and 2, is characterized in that, described heating furnace is partly fixed on subsurface, and described accommodating device is placed on the bottom of described heating furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420162187.0U CN203758939U (en) | 2014-04-02 | 2014-04-02 | System for carrying out heat-resisting fatigue test on integral component |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420162187.0U CN203758939U (en) | 2014-04-02 | 2014-04-02 | System for carrying out heat-resisting fatigue test on integral component |
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| Publication Number | Publication Date |
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| CN203758939U true CN203758939U (en) | 2014-08-06 |
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| CN201420162187.0U Expired - Fee Related CN203758939U (en) | 2014-04-02 | 2014-04-02 | System for carrying out heat-resisting fatigue test on integral component |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103868945A (en) * | 2014-04-02 | 2014-06-18 | 广西玉柴机器股份有限公司 | System and method for carrying out thermal-fatigue-resisting test on integral parts |
| CN107328593A (en) * | 2017-07-04 | 2017-11-07 | 昆明理工大学 | A kind of thermal shock certification test test platform of test specimen lateral rotation |
| CN107490524A (en) * | 2017-07-04 | 2017-12-19 | 昆明理工大学 | A kind of experimental test platform of thermal shock load effect lower component thermal fatigue characteristics |
| CN111595890A (en) * | 2019-09-23 | 2020-08-28 | 哈尔滨理工大学 | Real-time observation method for ceramic thermal shock cracks |
-
2014
- 2014-04-02 CN CN201420162187.0U patent/CN203758939U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103868945A (en) * | 2014-04-02 | 2014-06-18 | 广西玉柴机器股份有限公司 | System and method for carrying out thermal-fatigue-resisting test on integral parts |
| CN103868945B (en) * | 2014-04-02 | 2016-06-08 | 广西玉柴机器股份有限公司 | A kind of system and method that overall component are carried out heat-resistant anti-fatigue test |
| CN107328593A (en) * | 2017-07-04 | 2017-11-07 | 昆明理工大学 | A kind of thermal shock certification test test platform of test specimen lateral rotation |
| CN107490524A (en) * | 2017-07-04 | 2017-12-19 | 昆明理工大学 | A kind of experimental test platform of thermal shock load effect lower component thermal fatigue characteristics |
| CN107328593B (en) * | 2017-07-04 | 2019-05-14 | 昆明理工大学 | A kind of thermal shock certification test test platform of test specimen lateral rotation |
| CN111595890A (en) * | 2019-09-23 | 2020-08-28 | 哈尔滨理工大学 | Real-time observation method for ceramic thermal shock cracks |
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Granted publication date: 20140806 |
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