CN218107726U - Cage type thermal barrier coating test sample carrying table device - Google Patents
Cage type thermal barrier coating test sample carrying table device Download PDFInfo
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- CN218107726U CN218107726U CN202222347993.2U CN202222347993U CN218107726U CN 218107726 U CN218107726 U CN 218107726U CN 202222347993 U CN202222347993 U CN 202222347993U CN 218107726 U CN218107726 U CN 218107726U
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Abstract
The utility model belongs to the performance test field relates to a sample platform device is carried in cage thermal barrier coating test. The cage type thermal barrier coating test sample carrying table device is provided with a cage type sample carrying table; the cage type sample carrying platform is provided with two frameworks which are bilaterally symmetrical; each framework is in a fusiform shape, and a cage-type framework structure is enclosed between the two frameworks through an upper framework and a lower framework; a plurality of samples to be tested are placed in the cage type frame structure; the cage type sample carrying platform is hung in a uniform temperature area of the heating furnace; the upper end of the cage type sample carrying platform is connected with the upper end pulley mechanism through a steel wire rope I, and the lower end of the cage type sample carrying platform is connected with the lower end pulley mechanism through a steel wire rope II; the upper end pulley mechanism is provided with a reversing fixed pulley I and a reversing movable pulley I; the steel wire rope I winds around the reversing fixed pulley I to be wound on a movable pulley I pulled by an energy storage spring; the lower end pulley mechanism is connected with the cage type sample carrying platform through a steel wire rope II. The utility model discloses experimental clamping is firm, and the velocity of motion is high, does not fall the appearance midway in the experiment, and the temperature scatters and disappears fewly.
Description
Technical Field
The utility model belongs to the performance test field, concretely relates to experimental appearance platform device that carries of cage thermal barrier coating.
Background
In the thermal shock resistance test process of the thermal barrier coating, under the action of cold and hot circulation, the bonding layer can be subjected to structural stress, and under the combined action of the thermal stress and the phase change stress, the thermal barrier coating is lost, and cracks or falling off are formed on the surface. The sample carrying table for the tested sample of the thermal barrier coating is an important part of a testing environment, and the accuracy of the test and the efficiency of the test are related; at present, the common testing methods of the thermal barrier coating include a water quenching method, an air quenching method, a natural cooling method and the like. The method has two modes of flame heating and electric furnace heating, one sample is heated at a time, the efficiency is low, in addition, the environmental condition factors of a single sample are easy to change in the multiple-cycle heating process, the experimental result deviation is caused, particularly, the water quenching wind test is complex in test soaking structure and long in time consumption, the surface temperature of the thermal barrier coating is changed before cooling, and the test data is distorted.
Through the search of the existing documents, patent CN205192849U reports a sample clamp device for a thermal barrier coating gradient thermal shock test, a tested sample is fixed through an upper clamp plate, a middle clamp plate and a lower clamp plate, then the tested sample is connected through bolts, and each clamp can clamp one tested sample. The fixture is easy to generate additional mechanical stress, heat transfer limitation and expansion limitation on three contact surfaces fixed on the surface of the thermal barrier coating, so that the thermal barrier coating is limited at a fixed point and begins to be damaged; the coating thermal shock testing device reported in patent CN202735270U has strict requirements on the length and diameter of a tested sample by testing one sample each time, needs to drill a plurality of deep holes in the center, is difficult to process, particularly has different temperatures of a cooling liquid inlet and a cooling liquid outlet, has different thermal shock temperature gradients of a thermal barrier coating, and has a test result which is difficult to distinguish whether the test result is caused by a coating material or different test conditions; according to the device disclosed in patent CN114136594A, the test sample is easy to bring external force by using a method of clamping the spring piece, and the spring piece is easy to lose effectiveness and fall off in a high temperature state. In addition, the current test sample clamp for the thermal barrier coating has strict requirements on the thickness and the length of a test sample, and is not beneficial to the test of samples with different sizes and thicknesses.
SUMMERY OF THE UTILITY MODEL
In order to solve thermal barrier coating test experiment, it is complicated by test appearance processing, sample installation difficulty, many test samples are difficult to realize, the utility model aims at providing a cage thermal barrier coating test carries appearance platform device.
The utility model discloses a following technical scheme realizes:
a cage type thermal barrier coating test sample carrying table device is provided with a cage type sample carrying table; the cage type sample carrying platform is provided with two frameworks which are bilaterally symmetrical; each framework is in a shuttle shape, and a cage-type framework structure is enclosed between the two frameworks through an upper framework and a lower framework; a plurality of samples to be tested are placed in the cage type framework structure; the cage type sample carrying platform is hung in a uniform temperature area of the heating furnace; the upper end of the cage type sample carrying platform is connected with an upper end pulley mechanism through a steel wire rope I, and the lower end of the cage type sample carrying platform is connected with a lower end pulley mechanism through a steel wire rope II; the upper end pulley mechanism is provided with a reversing fixed pulley I and a movable pulley I; the steel wire rope I winds around the reversing fixed pulley I and winds on the movable pulley I which is pulled by the energy storage spring; the lower end pulley mechanism is connected with the cage type sample carrying platform through a steel wire rope II, the steel wire rope II bypasses a reversing fixed pulley II arranged at the bottom of the forced cooling water tank to perform reversing and then performs accelerated motion through a movable pulley II under the acceleration action, and the movable pulley II provides traction force through a traction mechanism.
The left and right positions of the tested sample are limited by the supporting upright posts, and the front and rear positions are limited by the front upright posts and the rear upright posts.
The traction mechanism is provided with a traction frame connected with a movable pulley II; but drive mechanism horizontal movement, the horizontal direction is provided with limit switch, can transport cage type sample carrier to the experimental required position.
The utility model provides a pair of experimental sample platform device that carries of cage many samples thermal barrier coating adopts above-mentioned technical scheme, has following beneficial effect:
1. the clamping of a plurality of samples is easy to realize, and the test efficiency is improved.
2. The requirement on the external dimension of the sample to be tested is not high, and the sample is easy to process.
3. And multiple samples are tested in the same furnace, so that the environmental conditions of different samples are stabilized, and the result comparability is improved.
4. The cage type sample support has the advantages that the surface of the thermal barrier coating is not affected by mechanical stress, the thermal barrier coating is completely free, and the interference of external mechanical force of a test is reduced.
5. The test clamping is firm, the sample does not fall in the middle of the test, and the temperature loss is less.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of a cage type sample carrying table.
Fig. 3 is a side view of fig. 2.
In the figure: 1. reversing fixed pulleys I, 2, a heating furnace, 3, a cage type sample carrying table, 4, a forced cooling water tank, 5, reversing fixed pulleys II, 6, movable pulleys I, 7, a spring, 8, fixed pulleys II, 9, movable pulleys II, 10, a traction mechanism 11, a traction frame, 12, an upper leading-out end, 13, an upper framework, 14, a framework, 15, a tested sample, 16, an upright post, 17, a front upright post, 18, a lower framework, 19, a lower leading-out end, 20, an upper tail end hook, 21, a rear upright post and 23, a lower tail end hook.
Detailed Description
The invention will be described in detail with reference to the accompanying drawings and specific embodiments:
the sample carrying table device for the cage type thermal barrier coating test can be used for placing 1-6 tested samples on one side and can also be used for installing up to 12 samples on two sides; the device comprises: the device comprises a sample carrying table upper end pulley mechanism, a cage type sample carrying table 3, a sample carrying table lower end pulley mechanism and a traction mechanism; the cage type sample carrying table 3 is connected with an upper end pulley mechanism through a steel wire rope, after the steel wire rope rounds the reversing fixed pulley 1, the steel wire rope is accelerated by a movable pulley 6 under the acceleration action, the movable pulley 6 is dragged by an energy storage spring 7 to enable the cage type sample carrying table 3 to be positioned in a uniform temperature area of the heating furnace 2, the upper end of the cage type sample carrying table comprises an upper leading-out end 12 and an upper tail end hook 20, the cage type sample carrying table is connected with the steel wire rope I on the reversing fixed pulley I1, frameworks 14 are symmetrically arranged on the left and right, an upper framework 13 and a lower framework 14 are arranged on the upper and lower sides of the cage type sample carrying table to form a cage type structure, the frameworks are divided into a three-horizontal structure and a two-vertical structure, 12 tested samples 15 can be placed at the same time, the left and right positions of the tested samples 15 are limited by a supporting upright 16, and the front and rear positions are limited by a front upright 17 and a rear upright 21; the lower end includes a lower terminal 19 and a lower end hook 23. The cage type sample carrying platform 3 is connected with a lower end pulley mechanism through a steel wire rope II, the steel wire rope II bypasses a reversing fixed pulley II 5 arranged at the bottom of the forced cooling water tank 4 and is subjected to reversing, a movable pulley II 9 under the accelerating action performs accelerated motion, and the traction force is provided for the movable pulley II 9 through a traction mechanism 10. A traction frame 11 of the traction mechanism 10 is connected with the movable pulley 9 and moves along the horizontal direction, and a limit switch is arranged in the horizontal direction and can transport the cage type sample carrying table to a position required by a test.
Claims (2)
1. The utility model provides a sample platform device is carried in experimental cage thermal barrier coating which characterized in that: the device is provided with a cage type sample carrying platform; the cage type sample carrying platform is provided with two frameworks which are bilaterally symmetrical; each framework is in a fusiform shape, and a cage-type framework structure is enclosed between the two frameworks through an upper framework and a lower framework; a plurality of samples to be tested are placed in the cage type framework structure; the cage type sample carrying platform is hung in a uniform temperature area of the heating furnace; the upper end of the cage type sample carrying platform is connected with an upper end pulley mechanism through a steel wire rope I, and the lower end of the cage type sample carrying platform is connected with a lower end pulley mechanism through a steel wire rope II; the upper end pulley mechanism is provided with a reversing fixed pulley I and a movable pulley I; the steel wire rope I winds around the reversing fixed pulley I and winds on the movable pulley I which is pulled by the energy storage spring; the lower end pulley mechanism is connected with the cage type sample carrying platform through a steel wire rope II, the steel wire rope II bypasses a reversing fixed pulley II arranged at the bottom of the forced cooling water tank to perform reversing and then performs accelerated motion through a movable pulley II under the acceleration action, and the movable pulley II provides traction force through a traction mechanism.
2. The cage-type thermal barrier coating test sample carrier device according to claim 1, wherein: the left and right positions of the tested sample are limited by the support upright posts, and the front and rear positions are limited by the front upright posts and the rear upright posts;
the traction mechanism is provided with a traction frame connected with a movable pulley II; but drive mechanism horizontal motion, the horizontal direction is provided with limit switch, can carry the sample platform to the cage and transport experimental required position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222347993.2U CN218107726U (en) | 2022-09-05 | 2022-09-05 | Cage type thermal barrier coating test sample carrying table device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222347993.2U CN218107726U (en) | 2022-09-05 | 2022-09-05 | Cage type thermal barrier coating test sample carrying table device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218107726U true CN218107726U (en) | 2022-12-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222347993.2U Active CN218107726U (en) | 2022-09-05 | 2022-09-05 | Cage type thermal barrier coating test sample carrying table device |
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| Country | Link |
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| CN (1) | CN218107726U (en) |
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2022
- 2022-09-05 CN CN202222347993.2U patent/CN218107726U/en active Active
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