CN217304336U

CN217304336U - Detection device for automobile parts in low-temperature environment

Info

Publication number: CN217304336U
Application number: CN202123437238.5U
Authority: CN
Inventors: 张少柯; 何庆
Original assignee: Suzhou Super Testing Technology Services Co ltd
Current assignee: Suzhou Super Testing Technology Services Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-08-26
Anticipated expiration: 2031-12-30

Abstract

The utility model relates to a detection apparatus for be used for automobile parts under low temperature environment, including having the test box that detects the chamber, set up in the fixed anchor clamps that are detected automobile parts that are used for that detects intracavity portion, set up in the cylinder that is used for detecting that detects automobile parts that detects intracavity portion, detection apparatus still includes the gas heating device that air inlet and air supply are connected, through honeycomb duct connection between this gas heating device's the gas outlet and the cylinder, the honeycomb duct surface is around being equipped with heating element. The utility model provides an among the detection device that is arranged in automobile parts under low temperature environment, through letting in steam to the cylinder for cylinder inner structure all is in suitable operating temperature, thereby has solved the problem that the cylinder can't work under low temperature test state with low costs. The heating assembly arranged on the surface of the flow guide pipe greatly reduces the heat loss in the gas conveying process, and further ensures that the gas in the cylinder is hot gas.

Description

Detection device for automobile parts in low-temperature environment

Technical Field

The utility model provides a detection apparatus for be used for automobile parts under low temperature environment.

Background

With the development of the automobile field, the requirements for the safety of automobiles are gradually increased. Therefore, the demand for testing parts of automobiles is gradually increasing. Typically, the automotive part requires a durability-type test to obtain final performance data for the automotive part.

When the endurance test is carried out, the test equipment simulates the running state of the automobile parts when the automobile runs through the air cylinder. The output end of the air cylinder acts on the parts to press and move the parts. Therefore, the cylinder must be disposed in the same cavity as the component. At this time, the cylinder and the parts are at the same ambient temperature. When the above-mentioned durability test is performed, the test environment temperature is usually in the range of-40 ℃ to 90 ℃.

The working environment temperature of a common air cylinder is-20-70 ℃, and obviously, the air cylinder can only meet the requirement of durability test in a normal temperature state. When the temperature is extremely low, the working state of the air cylinder is greatly influenced, and the problems that the piston rod is blocked and cannot move to a preset position, the action is too slow, the preset speed cannot be reached and the like occur. When the above problem occurs, the test cannot be performed. And the low temperature resistant cylinder among the prior art needs to carry out special customization, and the manufacturing cost of equipment compares in common cylinder greatly increased to the increase of test cost has been caused. On the other hand, the low temperature resistant cylinder is easy to damage, and the maintenance cost is high, so the maintenance cost in the later use process is also greatly increased.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects existing in the prior art, the utility model provides a detection device for automobile parts under low temperature environment.

The utility model adopts the technical proposal that:

the application provides a detection device for automobile parts under low temperature environment, it is including having the test box that detects the chamber, set up in the inside anchor clamps that are used for fixed automobile parts that are detected that are used for of detecting the intracavity portion, set up in the inside cylinder that is used for detecting that is detected automobile parts that is detected the intracavity portion, detection device still includes the gas heating device that air inlet and air supply are connected, through honeycomb duct connection between this gas heating device's gas outlet and the cylinder, the honeycomb duct surface is around being equipped with heating element. The gas heating device is arranged to enable the air inlet of the cylinder to be hot gas, so that the effect that the internal environment of the cylinder is at normal temperature is achieved. And the heating assembly on the outer surface of the flow guide pipe enables the flow guide pipe to have a heat preservation effect, and the heat loss is greatly reduced when gas passes through the flow guide pipe.

Preferably, a gas filter is arranged between the gas source and the gas heating device, so that particles in the gas are prevented from impacting the cylinder, and the internal structure of the cylinder is protected.

Preferably, the gas outlet of the gas heating device is provided with a solenoid valve, and the opening or closing of the solenoid valve is used for controlling the starting or the suspension of the action of the cylinder.

Preferably, the flow conduit is housed within the detection chamber.

Preferably, the gas outlet temperature of the gas heating device is 70-80 ℃.

Preferably, the surface temperature of the heating assembly is 30 ℃ to 40 ℃.

Because of the application of the above technical scheme, the utility model discloses compare prior art and have following advantage:

the utility model provides an among the detection device that is arranged in automobile parts under low temperature environment, through letting in steam to the cylinder for cylinder inner structure all is in suitable operating temperature, thereby has solved the problem that the cylinder can't work under low temperature test state with low costs. The heating component arranged on the surface of the flow guide pipe greatly reduces the heat loss in the gas conveying process, and further ensures that the gas in the cylinder is hot gas.

Drawings

Some specific embodiments of the invention will be described in detail hereinafter by way of example and not by way of limitation with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

fig. 1 is a schematic view of the overall structure of an embodiment of the present invention.

Fig. 2 is an enlarged schematic view of a portion a of the structure shown in fig. 1 according to the present invention.

Wherein the reference numerals are as follows:

100: a gas source; 110: first pipe 120: a gas filter; 200: a gas heating device; 210: a flow guide pipe; 220: an electromagnetic valve; 230: a power source; 300: the air cylinder 310: a push rod; 400: automotive parts; 500: and (4) clamping.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "first", "second", "third" and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

The application provides a detection device for automobile parts in a low-temperature environment, as shown in fig. 1-2. The detection device comprises a test box with a detection cavity, a clamp 500 arranged in the detection cavity, and at least one cylinder 300 arranged in the detection cavity. The automobile part 400 is subjected to durable detection in a detection cavity, and the temperature of the test environment in the detection cavity is-40 ℃ to 90 ℃. The fixture 500 is used for fixing the detected automobile part 400, and the output end of the air cylinder 300 acts on the detected automobile part 400 so as to simulate the running state of the detected automobile part 400 in the running process of the vehicle. Alternatively, the fixture 500 is any structure, device, and apparatus capable of clamping the above-mentioned automobile part 400 in the prior art, such as a manipulator, a clamping jaw, and the like, and since the structure of the fixture 500 is not the point of the invention of the present application, the present application does not limit and describe any specific structure of the fixture 500, and a person skilled in the art can select the structure according to actual needs. Optionally, a push rod 310 is disposed at an end of a piston rod of the air cylinder 300, and when the piston rod moves, the push rod 310 impacts the detected automobile part 400.

Specifically, the cylinder 300 is connected to the air source 100 to drive the piston rod of the cylinder 300 to move. The gas heating device 200 is arranged between the cylinder 300 and the gas source 100, the gas source 100 is communicated with the gas heating device 200 through the first pipeline 110, and the gas heating device 200 is communicated with the cylinder 300 through the guide pipe 210. The temperature of the gas output by the gas heating device 200 is 70-80 ℃, so that the internal environment temperature of the cylinder 300 is increased when the cylinder 300 works, and the internal structure of the cylinder 300 is in a proper working temperature. Optionally, the gas heating apparatus 200 is any device, structure, apparatus, etc. capable of implementing a gas heating function in the prior art, such as an air heater, a duct heater, etc., and the present application does not limit the type of the gas heating apparatus 200 at all, and those skilled in the art can select the device according to actual needs.

The duct 210 is accommodated in the detection chamber. Preferably, the heating assembly is wound around a portion of the outer surface of the flow guide tube 210 located in the detection chamber to heat the flow guide tube 210, so that heat loss of hot gas output by the gas heating device 200 in the flow guide tube 210 is greatly reduced, and it is further ensured that the gas entering the cylinder 300 is hot gas. Wherein the surface temperature of the heating component is 30-40 ℃. Preferably, the heating component is a heating wire, which is connected to the power supply 230.

Wherein, the gas outlet of the gas heating apparatus 200 is provided with an electromagnetic valve 220 to control whether the gas flows into the cylinder 300, and to control the start or pause of the operation of the cylinder 300.

Preferably, a gas filter 120 is disposed on the first pipeline 110 to filter impurities in the gas outputted from the gas source 100, so as to prevent particles in the gas from hitting the internal structure of the cylinder, thereby achieving the effect of protecting the cylinder 300.

In the detection device for the automobile part 400, the normal temperature gas output from the gas source 100 passes through the gas filter 120, enters the gas heating device 200, and is heated in the gas heating device 200. The heated gas is hot gas at 70-80 ℃, and the hot gas enters the cylinder 300 through the flow guide pipe 210 with the heat preservation function, so that the internal structure of the cylinder 300 is ensured to be at the proper working temperature.

Because of above-mentioned technical scheme's application, the utility model discloses compare prior art and have following advantage:

the utility model provides an among the detection device for automobile parts under low temperature environment, through letting in steam to the cylinder for cylinder inner structure all is in suitable operating temperature, thereby has solved the problem that the cylinder can't work under the low temperature test state with low costs. The heating component arranged on the surface of the flow guide pipe greatly reduces the heat loss in the gas conveying process, and further ensures that the gas in the cylinder is hot gas.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a detection apparatus for be used for automobile parts under low temperature environment, detection apparatus including have the test box that detects the chamber, set up in detect intracavity portion be used for fixed anchor clamps (500) that are detected automobile parts (400), set up in detect intracavity portion be used for detecting cylinder (300) that are detected automobile parts (400), its characterized in that, detection apparatus still includes gas heating device (200) that air inlet and air supply (100) are connected, the gas outlet of this gas heating device (200) with connect through honeycomb duct (210) between cylinder (300), honeycomb duct (210) surface is around being equipped with heating element.

2. The detecting device for detecting the low-temperature environment of the automobile parts according to claim 1, wherein a gas filter (120) is arranged between the gas source (100) and the gas heating device (200).

3. The apparatus for detecting the low-temperature environment of the automobile parts according to claim 1, wherein the electromagnetic valve (220) is disposed at the air outlet of the gas heating apparatus (200).

4. The detecting device for detecting the low-temperature environment of the automobile parts as claimed in claim 1, wherein the flow guide tube (210) is accommodated in the detecting chamber.

5. The detection device for the automobile parts in the low-temperature environment according to claim 1, wherein the outlet temperature of the gas heating device (200) is 70-80 ℃.

6. The apparatus as claimed in claim 1, wherein the surface temperature of the heating assembly is 30-40 ℃.

7. The detecting device for detecting the low temperature environment of the automobile parts according to claim 1, wherein the heating component is a heating wire, and the heating wire is connected with a power supply (230).

8. The device for detecting the low-temperature environment of the automobile part as claimed in claim 1, wherein a push rod (310) acting on the detected automobile part (400) during detection is connected to an end of a piston rod of the cylinder.