CN217425079U

CN217425079U - Automobile gasket aging durability testing machine

Info

Publication number: CN217425079U
Application number: CN202221181853.6U
Authority: CN
Inventors: 赵伟; 张爱文
Original assignee: Jiangsu Tonly Special Fiber Technology Co ltd
Current assignee: Jiangsu Tonly Special Fiber Technology Co ltd
Priority date: 2022-05-17
Filing date: 2022-05-17
Publication date: 2022-09-13
Anticipated expiration: 2032-05-17

Abstract

The utility model relates to a liner detection device technical field, in particular to an automobile liner aging durability testing machine, which comprises an outer shell, a heating component and a cooling component, wherein the heating component and the cooling component are arranged at two sides in the outer shell, the heating component comprises an upper heating block and a lower heating block which are symmetrically arranged up and down, and heating elements are respectively arranged in the upper heating block and the lower heating block, the cooling component comprises an upper cooling block and a lower cooling block which are symmetrically arranged up and down, and cooling channels are respectively arranged in the upper cooling block and the lower cooling block, the top end of the outer shell is provided with a position adjusting component which synchronously drives the upper heating block and the upper cooling block to slide up and down, the inner part of the outer shell is provided with a transferring component which adjusts the position of the liner between the heating component and the cooling component, so as to alternately heat and cool two liner samples and reduce heat loss, meanwhile, the detection efficiency and accuracy are improved.

Description

Automobile gasket aging durability testing machine

Technical Field

The utility model relates to a liner check out test set technical field specifically is car liner endurance test machine that ages.

Background

At present, the automobile keeping quantity in the market is higher and higher, and people pay more and more 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 more and more. Three-way catalyst systems on the market consist essentially of a catalyst, a support, 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 performance requirement of the gasket is extremely strict, and the gasket needs to be detected after production and can be put into use after the detection is passed. However, at present, no device or equipment special for detecting the gasket is provided, and the detection environment of the gasket under different high-temperature conditions is not easy to simulate, so that the production and the use of the gasket are limited. The utility model discloses an application number is 2019215901583's utility model discloses a durable ageing testing machine for car liner, including last high temperature clamp plate, lower high temperature clamp plate and cooling module, can automize to age, the high temperature resistant test to the liner, need heat up, pressurize, the operation of cooling down to the liner in turn during the detection, cool down the high temperature clamp plate through using cooling module during the cooling, need waste more time and resource during the multiunit is experimental, work efficiency is lower.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automobile gasket ageing durability testing machine to solve the lower and problem of wasting resource of work efficiency who provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: automobile liner ageing durability testing machine, including shell body and heating element and the cooling module of setting in the inside both sides of shell body, heating element includes last heating block, lower heating block that upper and lower symmetry set up and sets up respectively at last heating block, the inside heating member of heating block down, cooling module includes last cooling block, lower cooling block that upper and lower symmetry set up and sets up respectively at last cooling block and the inside cooling channel of cooling block down, the top of shell body is provided with synchronous drive and goes up heating block and last cooling block gliding position control assembly from top to bottom, the inside of shell body is provided with the subassembly that relays on of adjusting the liner position between heating element and cooling module between the two.

Preferably, the transfer assembly comprises a second driving motor, a support frame, a rotating shaft and a clamping piece, the rotating shaft is vertically installed at the bottom inside the outer shell, the bottom of the rotating shaft extends to the outside of the outer shell and is fixedly connected with the output end of the second driving motor, the support frame is symmetrically arranged on two sides of the rotating shaft through support rods, and the clamping piece is arranged on the inner side of the support frame and used for clamping the gasket.

Preferably, the support frame is an inverted U-shaped structure with an opening facing away from the rotating shaft, and the two clamping pieces are symmetrically arranged on two opposite sides in the support frame.

Preferably, the clamping piece is an elastic metal plate with a C-shaped section.

Preferably, the position adjusting assembly comprises a first driving motor, a screw rod, a movable plate, a guide rod, a first connecting rod and a second connecting rod, the screw rod is arranged on the top end of the outer shell through the vertical support plate, the first driving motor is used for driving the screw rod to rotate, the movable plate is in threaded connection with the screw rod, the guide rod is arranged in parallel with the screw rod, the guide rod is in sliding connection with the movable plate, one end of the movable plate is fixedly connected with the upper cooling block through the first connecting rod, and the other end of the movable plate is fixedly connected with the upper heating block through the second connecting rod.

Preferably, the water inlet ends and the water outlet ends of the two cooling channels are respectively positioned on one side of the upper cooling block and one side of the lower cooling block, which are far away from the heating assembly, the two water inlet ends are respectively communicated with the water inlet pipe through a hose, and the two water outlet ends are respectively communicated with the water outlet pipe through a hose.

Preferably, a controller is installed on the outer side of the outer shell.

Preferably, a pressure sensor is arranged at the bottom end of the lower heating block.

Compared with the prior art, the beneficial effects of the utility model are that: this car liner ageing durability test machine is through setting up heating element and cooling module, can be respectively to the liner operation of rising temperature and cooling, need not heat up earlier and cool down again heating element, it transfers the subassembly to be provided with between heating element and the cooling module, the during operation can detect two samples simultaneously, transfer the position of subassembly two sample regulation between heating element and cooling module, realize the operation of rising temperature and cooling in turn, the work efficiency is improved, reduce the wasting of resources, many samples detect simultaneously, can improve the precision that detects.

Drawings

FIG. 1 is a schematic view of the front view structure of the present invention;

FIG. 2 is a schematic view of the shell of the present invention;

FIG. 3 is a schematic view of the top cooling block of the present invention;

fig. 4 is the schematic view of the sectional structure of the supporting frame of the present invention.

In the figure: 1. an outer housing; 2. a heating assembly; 201. an upper heating block; 202. a lower heating block; 203. a heating member; 3. a cooling assembly; 301. an upper cooling block; 302. a lower cooling block; 303. a cooling channel; 304. a water inlet pipe; 305. a water outlet pipe; 4. a position adjustment assembly; 401. a first drive motor; 402. a screw rod; 403. a movable plate; 404. a guide bar; 405. a first connecting rod; 406. a second connecting rod; 5. a transfer assembly; 501. a second drive motor; 502. a support frame; 503. a rotating shaft; 504. a clamping member; 6. a controller; 7. and (5) supporting legs.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it is to be noted that the terms "first", "second", etc. are used for descriptive purposes only, and not for specific purposes in order or sequence or to define the present invention, but merely to distinguish components or operations described in the same technical terms, and not to indicate or imply relative importance or implicitly indicate the number of technical features indicated, so that the features defined as "first", "second", etc. may explicitly or implicitly include at least one such feature. To the extent that the term "includes" and any variations thereof are used in either the detailed description or the claims, as well as the appended drawings, this is intended to cover non-exclusive inclusions.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected", and "disposed" are to be interpreted broadly, e.g., as either a fixed connection or a detachable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Example 1

Referring to fig. 1-4, the present invention provides an embodiment: an automobile liner aging endurance testing machine comprises an outer shell 1, and a heating assembly 2 and a cooling assembly 3 which are arranged on two sides in the outer shell 1, wherein the front end and the rear end of the outer shell 1 are communicated, supporting legs 7 are arranged at four corners of the bottom end of the outer shell 1, the heating assembly 2 comprises an upper heating block 201 and a lower heating block 202 which are arranged in an up-down symmetrical manner, and heating members 203 which are respectively arranged in the upper heating block 201 and the lower heating block 202, the upper heating block 201 and the lower heating block 202 are made of quartz stone, the heating members 203 are electric heating rods, temperature sensors for detecting temperature are also arranged in the upper heating block 201 and the lower heating block 202, the cooling assembly 3 comprises an upper cooling block 301 and a lower cooling block 302 which are arranged in an up-down symmetrical manner, and a cooling channel 303 which is respectively arranged in the upper cooling block 301 and the lower cooling block 302, the main body of the cooling channel 303 is a serpentine curve, and the time of cooling water flowing through the interior is prolonged, the water inlet ends and the water outlet ends of the two cooling channels 303 are respectively positioned at one side of the upper cooling block 301 and the lower cooling block 302 away from the heating component 2, the two water inlet ends are respectively communicated with the water inlet pipe 304 through hoses, the two water outlet ends are respectively communicated with the water outlet pipe 305 through hoses, and cooling water can be simultaneously introduced into the upper cooling block 301 and the lower cooling block 302;

the top end of the outer shell 1 is provided with a position adjusting assembly 4 for synchronously driving the upper heating block 201 and the upper cooling block 301 to slide up and down, the position adjusting assembly 4 comprises a first driving motor 401, a screw rod 402, a movable plate 403, guide rods 404, a first connecting rod 405 and a second connecting rod 406, the screw rod 402 is vertically arranged at the top end of the outer shell 1 through a support plate, the first driving motor 401 is used for driving the screw rod 402 to rotate, the movable plate 403 is in threaded connection with the screw rod 402, the guide rods 404 are arranged in parallel with the screw rod 402, two guide rods 404 are arranged, sliding holes for allowing the guide rods 404 to pass through are arranged on two sides of the movable plate 403 in a penetrating manner, the guide rods 404 are in sliding connection with the movable plate 403 to enable the movable plate 403 to stably slide up and down, one end of the movable plate 403 is fixedly connected with the upper cooling block 301 through the first connecting rod 405, and the other end of the movable plate 403 is fixedly connected with the upper heating block 201 through the second connecting rod 406, the first driving motor 401 drives the screw rod 402 to rotate, and then drives the movable plate 403 to slide up and down, the movable plate 403 drives the upper heating block 201 and the upper cooling block 301 to slide up and down, and the distance between the upper heating block 201 and the lower heating block 202 and the distance between the upper cooling block 301 and the lower cooling block 302 are adjusted, and similarly, the first driving motor 401 and the screw rod 402 can also be set as an air cylinder or an electric telescopic rod to drive the movable plate 403 to slide up and down;

the inner part of the outer shell 1 is provided with a transferring component 5 for adjusting the position of the gasket between the heating component 2 and the cooling component 3, the transferring component 5 comprises a second driving motor 501, support frames 502, a rotating shaft 503 and clamping pieces 504, the rotating shaft 503 is vertically arranged at the bottom end of the inner part of the outer shell 1, the bottom end of the rotating shaft 503 extends to the outer part of the outer shell 1 and is fixedly connected with the output end of the second driving motor 501, the two support frames 502 are symmetrically arranged at the two sides of the rotating shaft 503 through support rods, the clamping pieces 504 are arranged at the inner side of the support frames 502 for clamping the gasket, the support frames 502 are in inverted U-shaped structures with openings back to the rotating shaft 503, the size of the support frames 502 is larger than that of the upper heating block 201, the lower heating block 202, the upper cooling block 301 and the lower cooling block 302, the two clamping pieces 504 are symmetrically arranged at the two opposite sides of the inner part of the support frames 502, and the clamping pieces 504 are elastic metal plates with C-shaped cross sections, when the device works, two pad samples are respectively clamped in the supporting frames 502 at two sides, the rotating shaft 503 is driven to rotate through the second driving motor 501, the supporting frames 502 at two sides are driven to rotate by the rotating shaft 503, the positions of the two pads in the heating assembly 2 and the cooling assembly 3 are continuously adjusted, and the heating operation and the cooling operation are alternately carried out;

the controller 6 is installed in the outside of shell body 1, and the output of controller 6 passes through the wire electricity with heating member 203, first driving motor 401 and second driving motor 501's input and is connected, realizes intelligent control, convenient operation.

The working principle is as follows: during working, firstly, two liner samples are inserted into the inner sides of the clamping pieces 504, the two clamping pieces 504 clamp and fix two sides of the liner samples, then the second driving motor 501 and the rotating shaft 503 drive the liner samples on two sides to rotate, the liner samples respectively rotate to the top ends of the lower heating block 202 and the lower cooling block 302, then the first driving motor 401 drives the screw rod 402 to rotate, the movable plate 403 moves downwards along the screw rod 402, then the first connecting rod 405 and the first connecting rod 405 drive the upper heating block 201 and the upper cooling block 301 on two sides to synchronously slide downwards, the liner sample on one side is clamped between the upper heating block 201 and the lower heating block 202, the liner sample on the other side is clamped between the upper cooling block 301 and the lower cooling block 302, the two ends of the liner sample are simultaneously heated by the heating pieces 203, after one end of time is kept, the upper heating block 201 and the upper cooling block 301 are synchronously moved upwards by the position adjusting assembly 4, it is rotatory to drive the liner sample of both sides through second driving motor 501, the position of two liner samples of change, rethread position control subassembly 4 drives and goes up heating block 201 and last cooling block 301 and push down, the liner sample of heating is rotatory to the centre of supreme cooling block 301 and lower cooling block 302, constantly let in the cooling water simultaneously through inlet tube 304 to the inside cooling channel 303 of the inside cooling block 301 of the last cooling block 301 of upper cooling block 302 and lower cooling block 302, the refrigerated cooling water of heat transfer discharges through outlet pipe 305, lower the temperature to the liner sample, the rotatory supreme heating block 201 of liner of opposite side and the centre of heating block 202 heat up the operation down, so heat up in turn, lower the temperature, can carry out aging test to the liner sample, measure the resistance to compression of liner under high temperature state, and high durability.

Example 2

In this embodiment, on the basis of embodiment 1, a pressure sensor is disposed at the bottom end of the lower heating block 202, an output end of the pressure sensor is electrically connected to an input end of the controller 6, during operation, the distance between the upper heating block 201 and the lower heating block 202 is adjusted to be the same as the thickness required by actual operation (i.e., the packaging gap between the metal shell and the honeycomb ceramic carrier), and since the distance contains an expansive material, the thickness of the gasket can be continuously increased along with the increase of the ambient temperature, the surface pressure data of the gasket obtained through testing is obtained, and the detected data is transmitted to the controller, so that whether the compressive force of the selected gasket exceeds the strength limit borne by the honeycomb ceramic carrier can be judged, the honeycomb ceramic carrier crushing phenomenon is avoided, and a basis is provided for the evaluation of the gasket.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Automobile liner ageing durability test machine which characterized in that: comprises an outer shell (1), and a heating component (2) and a cooling component (3) which are arranged at two sides in the outer shell (1), the heating component (2) comprises an upper heating block (201) and a lower heating block (202) which are arranged up and down symmetrically, and heating elements (203) which are respectively arranged in the upper heating block (201) and the lower heating block (202), the cooling component (3) comprises an upper cooling block (301) and a lower cooling block (302) which are arranged up and down symmetrically, and cooling channels (303) which are respectively arranged in the upper cooling block (301) and the lower cooling block (302), the top end of the outer shell (1) is provided with a position adjusting component (4) which synchronously drives the upper heating block (201) and the upper cooling block (301) to slide up and down, the inside of the outer shell (1) is provided with a transfer assembly (5) for adjusting the position of the liner between the heating assembly (2) and the cooling assembly (3).

2. The automotive gasket weatherometer of claim 1, wherein: the transfer assembly (5) comprises a second driving motor (501), a support frame (502), a rotating shaft (503) and a clamping piece (504), wherein the rotating shaft (503) is vertically installed at the bottom end inside the outer shell (1), the bottom end of the rotating shaft (503) extends to the outside of the outer shell (1) and is fixedly connected with the output end of the second driving motor (501), the support frame (502) is symmetrically arranged on two sides of the rotating shaft (503) through support rods, and the clamping piece (504) is arranged on the inner side of the support frame (502) and used for clamping the gasket.

3. The automotive gasket weatherometer of claim 2, wherein: the supporting frame (502) is of an inverted U-shaped structure with an opening back to the rotating shaft (503), and the two clamping pieces (504) are symmetrically arranged on two opposite sides in the supporting frame (502).

4. The automotive gasket weatherometer of claim 2, wherein: the clamping piece (504) is an elastic metal plate with a C-shaped section.

5. The automotive gasket weatherometer of claim 1, wherein: the position adjusting assembly (4) comprises a first driving motor (401), a screw rod (402), a movable plate (403), a guide rod (404), a first connecting rod (405) and a second connecting rod (406), the screw rod (402) is vertically arranged at the top end of the outer shell (1) through a supporting plate, the first driving motor (401) is used for driving the screw rod (402) to rotate, the movable plate (403) is in threaded connection with the screw rod (402), the guide rod (404) is arranged in parallel with the screw rod (402), the guide rod (404) is in sliding connection with the movable plate (403), one end of the movable plate (403) is fixedly connected with the upper cooling block (301) through the first connecting rod (405), and the other end of the movable plate (403) is fixedly connected with the upper heating block (201) through the second connecting rod (406).

6. The automotive gasket weatherometer of claim 1, wherein: the water inlet ends and the water outlet ends of the two cooling channels (303) are respectively positioned on one sides, away from the heating component (2), of the upper cooling block (301) and the lower cooling block (302), the two water inlet ends are respectively communicated with the water inlet pipe (304) through a hose, and the two water outlet ends are respectively communicated with the water outlet pipe (305) through a hose.

7. The automotive gasket weatherometer of claim 1, wherein: and a controller (6) is installed on the outer side of the outer shell (1).

8. The automotive gasket weatherometer of claim 1, wherein: and a pressure sensor is arranged at the bottom end of the lower heating block (202).