CN211042982U - Durable aging testing machine for automobile gasket - Google Patents
Durable aging testing machine for automobile gasket Download PDFInfo
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- CN211042982U CN211042982U CN201921590158.3U CN201921590158U CN211042982U CN 211042982 U CN211042982 U CN 211042982U CN 201921590158 U CN201921590158 U CN 201921590158U CN 211042982 U CN211042982 U CN 211042982U
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Abstract
The utility model belongs to the technical field of the liner check out test set, concretely relates to durable ageing testing machine is used to car liner, comprising a base plate, the support on the bottom plate, be equipped with a horizontal pole that can up-and-down motion on the support, be equipped with the high temperature clamp plate on the horizontal pole, be equipped with down high temperature clamp plate on the bottom plate, it is the last heating plate that sets up to go up high temperature clamp plate bottom, the top of lower high temperature clamp plate is the lower heating plate that sets up, be equipped with the last cooling module that cools down to last heating plate on the last high temperature clamp plate, be equipped with the lower cooling module that cools down to lower heating plate on the lower high temperature clamp plate, the four sides department that corresponds lower high temperature clamp plate on the bottom plate is equipped with a plurality of cooling module, go up the heating plate, lower heating plate, go up the cooling module, cooling module price controlling means single control, go up still be equipped, High temperature resistance test, high cooling efficiency and extremely high measuring efficiency.
Description
Technical Field
The utility model belongs to the technical field of the liner check out test set, concretely relates to durable ageing testing machine is used to car liner.
Background
At present, the automobile keeping quantity in the market is higher and higher, and people pay higher attention to environmental pollution caused by automobiles. With the improvement of the exhaust emission standard in the industries of automobiles, diesel vehicles, ships and the like, the challenge on an exhaust system is increased. Three-way catalyst systems on the market consist essentially of a catalyst, a carrier, a shell and a mat. The gasket mainly has the functions of preventing tail gas discharged by an engine from leaking and fixing a carrier, and ensures that enough supporting force is provided to prevent the carrier from moving at high temperature, so that an exhaust system fails. The mat, which is a good exhaust emission control device cushioning layer, mainly comprises fibers, a binder and an intumescent material.
The liner is arranged between the metal shell and the honeycomb ceramic carrier and is coated outside the honeycomb ceramic carrier. Because of containing the expansion material, the thickness of the gasket can be continuously increased along with the rise of the environmental temperature, thereby well compensating the difference of the thermal expansion coefficients between the metal shell and the honeycomb ceramic carrier, providing enough sealing retaining force, simultaneously playing the roles of heat insulation and shock absorption, and being an important part for ensuring the service life and the safe operation of the exhaust emission control device. The gasket is required to provide sufficient retention to secure the honeycomb ceramic carrier, and the retention should not be so great as to cause carrier fracture, good corrosion resistance to harsh operating environments and exhaust gases, and good structural stability over the aging life of the ceramic carrier, and must also be resistant to high temperatures due to the large variation in automotive exhaust temperatures, which may exceed 800 ℃. In view of the important function of the gasket, the requirement on the performance of the gasket is extremely strict, the gasket needs to be detected after production, and the gasket can be put into use after the detection is passed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to above-mentioned defect, provide car is durable ageing testing machine for liner, simple structure is convenient for make and operate, can simulate different high temperature environment, and automatic carrying out resistance to compression ageing, high temperature resistant test to the liner, intensification, cooling are efficient, have high measurement of efficiency.
The utility model provides a technical scheme that its technical problem adopted as follows:
durable ageing-testing machine is used to car liner, including bottom plate, the support on the bottom plate, but be equipped with an up-and-down motion's horizontal pole on the support, be equipped with high temperature clamp plate on the horizontal pole, a serial communication port, the bottom plate on be equipped with down high temperature clamp plate, go up the last heating plate of high temperature clamp plate bottom for setting up, the top of lower high temperature clamp plate is the lower heating plate that sets up, the mesa is placed for the liner to lower heating plate up end, be equipped with the last cooling subassembly that carries out the cooling to the upper heating plate on the high temperature clamp plate, be equipped with the lower cooling subassembly that carries out the cooling to the lower heating plate on the lower high temperature clamp plate, the four sides department that corresponds lower high temperature clamp plate on the bottom plate is equipped with a plurality of cooling module, the upper heating plate, the lower heating plate, go up the cooling module, cooling module is controlled by.
Furthermore, the support is provided with a driving mechanism for driving the cross rod to move up and down, and the end part of the cross rod is vertically matched with the support in a sliding manner.
Furthermore, the upper high-temperature pressure plate comprises an upper connecting flange, the upper heating disc comprises an upper disc arranged at the front end of the upper connecting flange and an upper heating rod embedded in the upper disc, the pressure sensor is arranged at the upper end of the upper connecting flange, the upper cooling component comprises an upper water cooling sleeve and an upper air cooling sleeve, the upper end of the upper water cooling sleeve is connected with the upper connecting flange, the lower end of the upper water cooling sleeve is provided with a front convex part which is convex downwards, the upper air cooling sleeve is sleeved on the front convex part, and the front convex part is connected with the upper disc,
furthermore, a cooling water channel is arranged in the upper water cooling sleeve and extends to the inside of the front convex part, a spirally wound air cooling channel is arranged in the upper air cooling sleeve, and an air inlet and an air outlet are formed in the peripheral surface of the upper air cooling sleeve.
Furthermore, a heat insulation pad is arranged between the upper end surface of the upper connecting flange and the pressure sensor.
Furthermore, the outer part of the upper air cooling sleeve is provided with a lower edge part which is covered on the outer side of the upper part of the upper disc, and the inner wall of the lower edge part is provided with a plurality of air blowing ports which blow air out towards the upper disc.
Furthermore, the number of the cooling assemblies is four, the four cooling assemblies are uniformly distributed along the circumferential direction of the lower high-temperature pressing plate, the cooling assemblies are cooling columns fixed on the bottom plate, cooling heads facing the working area of the lower high-temperature pressing plate are arranged on the upper portions of the cooling columns, cooling air ports blowing air to the lower high-temperature pressing plate are arranged on the cooling heads, and cooling water circulation water paths are further arranged in the cooling columns.
Further, the lower high-temperature pressing plate comprises a lower connecting flange, the lower heating plate comprises a lower disc and a lower heating rod, the lower disc is arranged at the upper end of the lower connecting flange, the lower heating rod is embedded in the lower disc, the temperature reducing assembly comprises a lower water cooling sleeve and a lower air cooling sleeve, the lower end of the lower water cooling sleeve is connected with the lower connecting flange, and the lower air cooling sleeve is arranged on the lower water cooling sleeve.
The utility model has the advantages that: by adopting the scheme, the method has the advantages that,
1. the structure is simple, and the manufacture is convenient;
2. different high-temperature environments are simulated, temperature rise, pressure maintaining and temperature reduction are automatically controlled, the compression resistance and aging of the liner are automatically measured, and the test efficiency is higher;
3. the heating and cooling speeds are high, the testing efficiency is improved, the heating and cooling of the upper plate and the lower plate are independently controlled, and the testing precision is improved.
Drawings
The foregoing and other objects, features, and advantages of the invention will be apparent from the following detailed description taken in conjunction with the accompanying drawings.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic view of a matching structure of the lower high-temperature pressing plate and the cooling column according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of an upper high-temperature platen according to an embodiment of the present invention.
Fig. 4 is a schematic structural view of an upper high-temperature platen according to another embodiment of the present invention.
Wherein: the device comprises a base plate 1, a support 2, a cross rod 21, an upper connecting flange 3, an upper disc 4, an upper heating rod 41, an upper water cooling jacket 5, an upper air cooling jacket 6, a lower edge part 61, a pressure sensor 7, a lower high-temperature pressure plate 8, a cooling column 9 and a cooling head 91.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Example 1: referring to fig. 1-3, the durable aging testing machine for the automobile gasket comprises a base plate 1 and a support 2 on the base plate 1, wherein a cross rod 21 capable of moving up and down is arranged on the support 1, two ends of the cross rod 21 are in vertical sliding fit with corresponding positions of the support 1, a driving part (not shown in the figure) for driving the cross rod 21 to move up and down is arranged on the upper portion of the support 1, the driving part can be an air cylinder or a hydraulic cylinder, an upper high-temperature pressing plate is arranged on the cross rod 21, a lower high-temperature pressing plate upper high-temperature pressing plate and a lower high-temperature pressing plate are arranged on corresponding positions of the base plate 1, the upper high-temperature pressing plate comprises an upper connecting flange 3, an upper heating plate arranged at the bottom of the upper connecting flange 3 comprises an upper heating plate 4 arranged at the lower end of the upper connecting flange 3, an upper heating rod 41 embedded in the upper plate 4, an upper air cooling jacket 6, wherein the upper end of the upper water cooling jacket 5 is connected with an upper connecting flange 3, the lower end of the upper water cooling jacket 5 is provided with a front convex part 51 which is convex downwards, the upper air cooling jacket 6 is sleeved on the front convex part 51, the front convex part 51 is connected with an upper disc 4, a cooling water channel is arranged in the upper water cooling jacket 5 and extends into the front convex part 51, the cooling water channel in the front convex part 51 is arranged along the axial direction of the cooling water channel, the circumferential surface of the upper water cooling jacket 5 is provided with a water inlet and a water outlet, the circumferential surface of the upper air cooling jacket 6 is provided with an air inlet and an air outlet, the upper disc 4 is cooled by a cooling mode of water cooling and air cooling, the cooling efficiency is high, the top of the upper connecting flange 3 is provided with a pressure sensor 7, a heat insulation pad 71 is arranged between the pressure sensor 7 and the upper connecting flange 3, the heat insulation pad 71 avoids the, The other end is connected with the cross bar, the pressure borne by the gasket can be regarded as the pressure between the upper connecting flange and the cross bar, and the pressure intensity borne by the gasket can be measured through the pressure sensor.
The structure of the lower high-temperature pressing plate 8 is consistent with that of the upper high-temperature pressing plate, the lower high-temperature pressing plate and the upper high-temperature pressing plate are mirror image components, the lower high-temperature pressing plate comprises a lower connecting flange, a lower heating plate is arranged on the upper portion of the lower connecting flange, the lower heating plate comprises a lower plate arranged at the upper end of the lower connecting flange and a lower heating rod embedded in the lower plate, a temperature reduction assembly is arranged on the lower connecting flange and comprises a lower water cooling sleeve and a lower air cooling sleeve, the lower end of the lower water cooling sleeve is connected with the lower connecting flange, the lower air cooling sleeve is arranged on the lower water cooling sleeve, the structures of the lower water cooling sleeve and the lower air cooling sleeve are correspondingly consistent with those of the upper water cooling sleeve and the upper air cooling sleeve, the upper end face of the lower plate of the lower high-temperature pressing plate 8 is a liner placing table top, four cooling columns 9 evenly distributed along the circumferential direction of the lower high-temperature pressing plate are, the upper portion of cooling column 9 is equipped with cooling head 91, cooling head 91 is relative with the lower wall, be equipped with a plurality of cooling wind gaps of blowing to the lower wall on the cooling head, still be equipped with cooling water circulation water route in the cooling column 9, the cooling column is equipped with the air intake, lower high temperature clamp plate self has water-cooling + air-cooled cooling mechanism, outside water-cooling + air-cooled cooling is carried out to the lower wall to rethread cooling column, the cooling water course, the external cooling water circulation supply apparatus in cooling water circulation water route, the external air feed apparatus of air intake, go up the heating rod, lower heating rod, cooling water circulation supply apparatus, air feed apparatus is by the controlling means independent control who sets up, pressure sensor is connected with controlling means, can carry out automatic control heating intensification, pressurize, the cooling by controlling means, degree of automation is high, and efficiency.
The up-down moving distance of the upper high temperature pressing plate is 0.05-2mm, a liner sample is placed on the lower plate, a switch is started, a control device controls the upper heating rod and the lower heating rod to start heating, the temperature range of the upper plate and the lower plate is 100-1000 ℃, when the temperature is heated to a set value, the upper plate is pressed down, the constant pressure is 300S, the pressure value is obtained through a pressure sensor, then, the control device controls the upper cooling assembly to cool the upper high temperature pressing plate, the lower cooling assembly and the cooling column to cool the lower temperature pressing plate, the temperature rise and the temperature reduction of the upper plate and the lower plate are independently controlled, the control precision is higher, the pressing plates are heated up, maintained at constant pressure and cooled down, the periodic circulation is repeated, the aging test can be carried out on the liner, and the compression resistance and the durability of the liner in a high temperature state are measured The lower plate is cooled, the cooling efficiency is greatly improved, the cooling speed is high, the test efficiency is improved, the temperatures of the upper plate and the lower plate are independently controlled, the test accuracy is improved, the front end of the upper water cooling jacket is directly connected with the upper plate, the temperature of the upper plate is directly transmitted to the upper water cooling jacket, the upper water cooling jacket directly cools the upper plate, meanwhile, the upper air cooling jacket can cool the upper water cooling jacket and the upper plate, the outer wall of the upper air cooling jacket can be provided with a plurality of radiating fins, a cooling air duct is arranged in the upper air cooling jacket and ventilates the inner part, the structure of the tester at a high-temperature pressing plate is simplified by ventilating the outer part, the upper high-temperature pressing plate can move up and down conveniently, the front end of the upper water cooling jacket can be connected with the upper plate, the high temperature is transmitted to the upper air cooling jacket, the cooling efficiency is improved, the structure and the heat dissipation principle of the lower water cooling jacket and the lower water, the cooling device can quickly cool the gasket, the air cooling directly blows air to cool, the cooling head contacts the gasket and the lower disc to directly absorb heat, and the cooling effect is good through water cooling.
Example 2: the difference between this embodiment and embodiment 1 is that, referring to fig. 4, the lower portion of the upper air-cooling jacket 6 is provided with a lower edge portion 61 covering the outer side of the upper portion of the upper tray, and the inner wall of the lower edge portion 61 is provided with a plurality of air blowing ports for blowing air toward the lower tray, so that the lower tray is directly blown and cooled, and the heat dissipation efficiency is improved.
Example 3: the difference between this embodiment and embodiment 1 lies in that the bottom of cooling column and bottom plate sliding fit are equipped with the slide rail on the bottom plate, and cooling column bottom is equipped with the slider with slide rail sliding fit, is equipped with positioning bolt on the slider, and adjustable cooling column is equipped with the distance between the lower wall, corresponds different liner samples, and positioning bolt is used for the position of location slider on the slide rail.
The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the techniques of the present invention are substantially any simple modification and equivalent changes to the above embodiments, all falling within the protection scope of the present invention.
Claims (8)
1. The durable aging tester for the automobile gasket comprises a bottom plate and a bracket on the bottom plate, wherein the bracket is provided with a cross rod capable of moving up and down, the cross rod is provided with an upper high-temperature pressing plate, the heating plate is characterized in that a lower high-temperature pressing plate is arranged on the bottom plate, the bottom of the upper high-temperature pressing plate is an upper heating plate arranged, the top end of the lower high-temperature pressing plate is a lower heating plate arranged, the upper end face of the lower heating plate is a liner placing table board, an upper cooling assembly for cooling the upper heating plate is arranged on the upper high-temperature pressing plate, a lower cooling assembly for cooling the lower heating plate is arranged on the lower high-temperature pressing plate, a plurality of cooling assemblies are arranged at four sides of the bottom plate corresponding to the lower high-temperature pressing plate, the upper heating plate, the lower heating plate, the upper cooling assembly, the lower cooling assembly and the cooling assembly are controlled by a control device independently, a pressure sensor is further arranged on the upper high-temperature pressing plate.
2. The durable aging tester for the automobile gasket as claimed in claim 1, wherein the support is provided with a driving mechanism for driving the cross bar to move up and down, and the end of the cross bar is in vertical sliding fit with the support.
3. The durable aging testing machine for the automobile gasket as recited in claim 1, wherein the upper high temperature pressure plate comprises an upper connecting flange, the upper heating plate comprises an upper plate arranged at the front end of the upper connecting flange and an upper heating rod embedded in the upper plate, the pressure sensor is arranged at the upper end of the upper connecting flange, the upper cooling assembly comprises an upper water cooling jacket and an upper air cooling jacket, the upper end of the upper water cooling jacket is connected with the upper connecting flange, the lower end of the upper water cooling jacket is provided with a front convex part which is convex downwards, the upper air cooling jacket is sleeved on the front convex part, and the front convex part is connected with the upper plate.
4. The durable aging testing machine for the automobile gasket as set forth in claim 3, wherein a cooling water passage is provided in the upper water cooling jacket, the cooling water passage extends to the inside of the front protrusion, a spirally wound air cooling passage is provided in the upper air cooling jacket, and the air cooling passage is provided with an air inlet and an air outlet on the peripheral surface of the upper air cooling jacket.
5. The endurance aging testing machine for automobile gaskets according to claim 3, wherein a heat insulating pad is disposed between the upper end surface of the upper connecting flange and the pressure sensor.
6. The durability and aging test machine for the automobile gasket as claimed in claim 3, wherein a lower edge portion covering the outer side of the upper part of the upper plate is provided outside the upper air-cooling jacket, and a plurality of air blowing ports for blowing air toward the upper plate are provided on the inner wall of the lower edge portion.
7. The endurance aging testing machine for the automobile gasket as claimed in claim 1, wherein four cooling assemblies are provided, the four cooling assemblies are uniformly distributed along the circumference of the lower high temperature pressing plate, the cooling assemblies are cooling columns fixed on the bottom plate, the upper portions of the cooling columns are provided with cooling heads facing the working area of the lower high temperature pressing plate, the cooling heads are provided with cooling air ports blowing air to the lower high temperature pressing plate, and cooling water circulation water paths are further provided in the cooling columns.
8. The durable aging testing machine for the automobile gasket as claimed in claim 1, wherein the lower high temperature pressing plate comprises a lower connecting flange, the lower heating plate comprises a lower plate arranged at the upper end of the lower connecting flange and a lower heating rod embedded in the lower plate, the temperature lowering assembly comprises a lower water cooling sleeve and a lower air cooling sleeve, the lower end of the lower water cooling sleeve is connected with the lower connecting flange, and the lower air cooling sleeve is arranged on the lower water cooling sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921590158.3U CN211042982U (en) | 2019-09-24 | 2019-09-24 | Durable aging testing machine for automobile gasket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921590158.3U CN211042982U (en) | 2019-09-24 | 2019-09-24 | Durable aging testing machine for automobile gasket |
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| Publication Number | Publication Date |
|---|---|
| CN211042982U true CN211042982U (en) | 2020-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921590158.3U Active CN211042982U (en) | 2019-09-24 | 2019-09-24 | Durable aging testing machine for automobile gasket |
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| CN (1) | CN211042982U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114199671A (en) * | 2021-12-17 | 2022-03-18 | 华北电力大学（保定） | Mechanical-thermal synergistic accelerated aging test platform |
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2019
- 2019-09-24 CN CN201921590158.3U patent/CN211042982U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114199671A (en) * | 2021-12-17 | 2022-03-18 | 华北电力大学（保定） | Mechanical-thermal synergistic accelerated aging test platform |
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