Testing device

Abstract

The application discloses a test device used for detecting a to-be-tested product, the test device comprises a rack and a camera system, the rack comprises a cross beam and a support frame, and the support frame is used for installing the to-be-tested product; the camera system is movably arranged on the cross beam and used for detecting the test condition of the to-be-tested product in real time, the camera system comprises a movable support and a camera fixed to the movable support, a groove extending in the length direction of the cross beam is formed in the cross beam, and the movable support is movably fixed in the groove. The test device can be used for detecting the test condition of the to-be-tested product in real time, and high-quality and long-time detection can be carried out.

Description

Technical Field

[0001] The present application relates to the technical field of test equipment, and more specifically to a test device. Background Art

[0002] Existing creep equipment is usually used for tensile, compression endurance, bending creep, relaxation tests, as well as low-cycle fatigue and creep fatigue tests of metal and non-metal materials. The detection stroke is short, and large creep equipment is required for products with longer lengths, which is too expensive. In addition, existing creep equipment cannot be used stably for a long time during the test, and has great limitations. Utility Model Content

[0003] In view of the deficiencies of the prior art, the purpose of the present application is to provide a testing device that can detect the test status of the product to be tested in real time and can perform high-quality and long-term testing.

[0004] To achieve the above-mentioned purpose, the technical means adopted in this application are as follows: a test device is provided for detecting the product to be tested, the test device comprising: a frame, comprising a beam and a support frame, the support frame is used to install the product to be tested; a camera system, movably arranged on the beam, for real-time detection of the test conditions of the product to be tested, the camera system comprising a mobile bracket and a camera fixed to the mobile bracket, a groove extending along the length direction of the beam is arranged on the beam, and the mobile bracket is movably fixed in the groove.

[0005] Among them, the movable bracket is a first connecting plate, one side of the first connecting plate is fixed in the groove, and the other side of the first connecting plate is fixedly connected to the camera.

[0006] The mobile bracket includes two connecting seats and a mobile plate, the mobile plate is installed between the two connecting seats, and the camera is installed on the mobile plate.

[0007] There are two cross beams, and two connecting seats are movably fixed in the grooves of the two cross beams respectively.

[0008] The connecting seat includes a second connecting plate and a third connecting plate, the third connecting plate is vertically fixed to the second connecting plate, and the second connecting plate is used to be fixed to the groove of the crossbeam.

[0009] Among them, the movable plate includes a fourth connecting plate and two fifth connecting plates. The two side edges of the fourth connecting plate are respectively vertically fixed to the two fifth connecting plates, so that the movable plate is U-shaped as a whole; the movable plate is fixedly connected to the third connecting plates on the two connecting seats through the fifth connecting plates on both sides, so that the movable plate is fixedly set between the two connecting seats.

[0010] Among them, the third connecting plate is provided with a first through hole and a second through hole, the fifth connecting plate is provided with a third through hole and an arc-shaped groove, the first through hole is fixedly connected with the third through hole after corresponding matching, and the second through hole is fixedly connected with any position of the arc-shaped groove after corresponding matching, so that the movable plate can be fixedly connected with the connecting seat in an adjustable position.

[0011] The center of the arc groove is concentric with the center of the third through hole, and the distance between the center of the first through hole and the center of the second through hole is equal to the radius of the arc groove.

[0012] Wherein, the central angle of the arc groove is less than 180°.

[0013] The second connecting plate and the third connecting plate are integrally formed or fixed by welding; and / or the fourth connecting plate and the fifth connecting plate are integrally formed or fixed by welding.

[0014] The beneficial effects of the present application are as follows: the test device of the present application is upgraded from the traditional test device, and a camera system is added to the existing frame, which can detect the test conditions of the product to be tested in real time and perform high-quality and long-term strain detection. By optimizing the way the camera system is installed, the measurement position and measurement direction of the three-dimensional camera system can be adjusted, and for products with longer lengths, it can be adapted to product tests of all length specifications. At the same time, the test device also has the ability to resist environmental interference during the test process. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the test device 100 of the present application;

[0016] Figure 2 yes Figure 1 The enlarged schematic diagram of point A in the middle;

[0017] Figure 3 yes Figure 1 The enlarged schematic diagram of point B in the middle;

[0018] Figure 4 is a schematic diagram of the structure of the camera system 150 under the present application;

[0019] Figure 5 is a side plan view schematic diagram of the camera system 150 of the present application. DETAILED DESCRIPTION

[0020] Upon request, specific embodiments of the present application will be disclosed herein. However, it should be understood that the embodiments disclosed herein are merely typical examples of the present application, which may be embodied in various forms. Therefore, the specific details disclosed herein are not considered to be restrictive, but only as a basis for the claims and as a representative basis for teaching those skilled in the art to apply the present application in various ways in practice in any appropriate manner, including using the various features disclosed herein and combining features that may not be explicitly disclosed herein.

[0021] The present application provides a test device for real-time detection of the test status of a product to be tested. In one embodiment, the product to be tested is an insulator. Figure 1 The test device 100 is used to detect the bending performance of the insulator 20. The test device 100 includes a frame 110 and a camera system. The frame 110 includes a support frame 112 and a beam. The support frame 112 is used to install the insulator 20. The camera system is movably arranged on the beam to detect the creep condition of the insulator 20 in the bending test in real time.

[0022] In this embodiment, the frame 110 further includes a base 111, and two support frames 112 are provided. The two support frames 112 are provided on the base 111 at intervals along the length direction of the base 111. The crossbeam includes a top crossbeam 113 and a bottom crossbeam 1111. The top crossbeam 113 is fixed to the top of the two support frames 112, and the top crossbeam 113 is also provided along the length direction of the base 111. The bottom crossbeam 1111 is located on the base 111, and two bottom crossbeams 1111 are provided, and the support frame 112 is connected to the two bottom crossbeams 1111 at the same time. The camera system can be provided on the top crossbeam 113 or on the bottom crossbeam 1111. Of course, the camera system can also be provided on both the top crossbeam 113 and the bottom crossbeam 1111, which is not limited here. Among them, the length direction of the base 111 and the width direction of the base 111 are both located in the same horizontal plane, and the length direction of the base 111 is perpendicular to the width direction of the base 111.

[0023] Furthermore, the test device 100 also includes a first fixture 121, which is arranged on the frame 110 and is used to install the insulator 20. The first fixture 121 is a plate-shaped part, that is, the first fixture 121 is a first fixture plate 121, which is fixedly installed on one of the support frames 112. The first fixture plate 121 is provided with a connection hole matching the flange at one end of the insulator 20, which is used to install the insulator 20, so that the insulator 20 is arranged along the length direction of the base 111, that is, the axis of the insulator 20 is parallel to the horizontal direction. The support frame 112 connected to the first fixture 121 is defined as the first support frame 1121, and the other support frame 112 is defined as the second support frame 1122. Among them, the first fixture 121 is fixedly connected to the side of the first support frame 1121 facing the second support frame 1122, so that the insulator 20 is installed on the first support frame 1121.

[0024] The first support frame 1121 includes a bottom plate 1123 and a support plate 1124. The bottom plate 1123 is fixedly connected to two bottom cross beams 1111 arranged at intervals. The support plate 1124 is vertically fixed to the plate surface of the bottom plate 1123 away from the bottom cross beam 1111. The structure of the second support frame 1122 is the same as that of the first support frame 1121. The second support frame 1122 is arranged opposite to the first support frame 1121, and the specific details are not repeated. A plurality of mounting holes are arranged on the bottom cross beam 1111 along the length direction of the base 111. The bottom plate 1123 of the first support frame 1121 and the bottom plate 1123 of the second support frame 1122 are selectively matched and connected with one of the mounting holes, so that the relative position between the first support frame 1121 and the second support frame 1122 can be adjusted. That is, according to the insulator 20 of different lengths, the distance between the first support frame 1121 and the second support frame 1122 is adjusted to facilitate the application of bending stress to the end of the insulator 20 away from the first fixture 121.

[0025] Combination Figure 2 As shown, the test device 100 also includes a second fixture 122, and the second fixture 122 includes a second fixture plate 1221 and a support rod 1222. The second fixture plate 1221 is provided with a connection hole, and the flange at the other end of the insulator 20 is matched and connected with the connection hole on the second fixture plate 1221. The support rod 1222 is arranged on the side of the second fixture plate 1221 away from the insulator 20. In one embodiment, the support rod 1222 is fixed to the second fixture plate 1221 by threaded connection, which is convenient for replacing the support rod 1222 after it is damaged. In other embodiments, the support rod and the second fixture plate can also be fixed by welding, as long as the connection between the support rod and the second fixture plate can be ensured to be stable, and there is no limitation here.

[0026] Continue reading Figure 1The test device 100 includes a hydraulic system 130, which includes a hydraulic motor (not shown) and a hydraulic jack 131. The hydraulic motor is arranged outside the frame 110 and is used to provide power to the hydraulic jack 131. The hydraulic jack 131 is arranged on the base 111. The hydraulic system 130 also includes a mounting plate 132. The hydraulic jack 131 is fixedly connected to the mounting plate 132. The mounting plate 132 is also provided with a connecting hole. After the connecting hole on the mounting plate 132 is matched with the mounting hole on the bottom plate 1123 of the second support frame 1122, the hydraulic jack 131 is fixedly connected to the second support frame 1122, that is, the hydraulic jack 131 is fixedly connected to the base 111. The hydraulic ejector 131 includes an ejection part 1311 and a hydraulic part 1312. The hydraulic part 1312 is a cylindrical hollow structure. The axis of the hydraulic part 1312 is parallel to the vertical direction. The ejection part 1311 is a long rod. The ejection part 1311 is movably arranged in the cylindrical inner cavity of the hydraulic part 1312. The hydraulic motor drives the ejection part 1311 to move in the hydraulic part 1312 along the vertical direction.

[0027] When one end of the insulator 20 is fixed on the first fixture 121, the other end of the insulator 20 abuts against the hydraulic system 130 through the second fixture 122. Specifically, the ejection part 1311 abuts against the support rod 1222 on the second fixture 122, and the hydraulic motor drives the ejection part 1311 to move vertically upward. The ejection part 1311 drives the support rod 1222 to make the insulator 20 make a vertical upward circular motion around the connection between it and the first fixture 121, thereby applying bending stress to the insulator 20. Since the bending creep test needs to be carried out for a long time, the setting of the hydraulic system 130 can greatly save manpower. Hydraulic pressure is applied to the end of the insulator 20, wherein the end of the ejection part 1311 adopts a cylindrical surface, and the support rod 1222 adopts a cylindrical rod body, on which a concave surface is provided to adapt to the cylindrical surface on the ejection part 1311. In combination with the hydraulic force, the pressure of the hydraulic system 130 is stable, ensuring the continuous progress of the bending test, and at the same time ensuring the stability of the bending force and the adjustability of the tonnage.

[0028] Continue reading Figure 1 The camera system includes an upper camera system 140 and a lower camera system 150. The upper camera system 140 is fixed below the top beam 113 and is used to detect the bending creep condition of the top of the insulator 20 in real time. The lower camera system 150 is fixed above the base 111 and is used to detect the bending creep condition of the bottom of the insulator 20 in real time.

[0029] Combination Figure 3As shown, the upper camera system 140 includes a movable bracket 141 and an upper camera 142 fixed to the movable bracket 141, wherein the movable bracket 141 is a first connecting plate 141, a first groove 1131 extending along the length direction of the top crossbeam 113 is provided at the bottom of the top crossbeam 113, and the first connecting plate 141 is movably fixed in the first groove 1131, and the first connecting plate 141 is made of alloy steel. The first groove 1131 extends along the length direction of the top crossbeam 113 on the top crossbeam 113, so that the upper camera system 140 can move along the length direction of the top crossbeam 113, that is, it can move along the axial direction of the insulator 20. Since the creep of the insulator 20 during the bending test mostly occurs in the part of the insulator 20 close to the first fixture 121, the specific position where the creep occurs is different according to the different lengths of the insulator 20. The movable setting of the upper camera system 140 can make the upper camera system 140 suitable for insulators 20 of various length specifications. Before the bending test is run, the area where the insulating tube of the insulator 20 may creep is pre-determined, and the outer wall of the insulating tube in this area is sprayed with paint. If the insulator 20 creeps, the painted part will undergo strain changes. The strain changes can be reflected on the system platform by image recognition, so that the upper camera system 140 can detect the strain change process of the top of the insulator 20 during the bending test in real time and keep the image record. Among them, the type of spraying paint corresponds to the software that the upper camera system 140 can recognize images.

[0030] Combination Figure 4 As shown, the lower camera system 150 includes a mobile bracket 151 and a lower camera 152 fixed to the mobile bracket 151. The mobile bracket 151 includes a connecting seat 1511 and a moving plate 1512. The connecting seat 1511 is provided in two pieces. The connecting seat 1511 includes a second connecting plate 15111 and a third connecting plate 15112. The third connecting plate 15112 is vertically fixed to the second connecting plate 15111, so that the connecting seat 1511 is L-shaped as a whole. The moving plate 1512 includes a fourth connecting plate 15121 and two fifth connecting plates 15122. The two side edges of the fourth connecting plate 15121 are respectively vertically fixed with two fifth connecting plates 15122, so that the moving plate 1512 is U-shaped as a whole. The mobile plate 1512 is fixedly connected to the third connecting plates 15112 on the two connecting seats 1511 through the fifth connecting plates 15122 on both sides, so that the mobile plate 1512 is fixedly arranged between the two connecting seats 1511, and the lower camera 152 is fixedly connected to the fourth connecting plate 15121 of the mobile plate 1512. At the same time, the U-shaped notch of the mobile plate 1512 is arranged in a downward direction, so that the lower camera 152 is located above the mobile bracket 151.

[0031] Continue reading Figure 1, a second groove 1112 extending along the length direction of the bottom crossbeam 1111 is provided above each bottom crossbeam 1111, and two connecting seats 1511 are movably fixed in the second grooves 1112 of the two bottom crossbeams 1111, respectively. The second groove 1112 extends along the length direction of the bottom crossbeam 1111 on the bottom crossbeam 1111, so that the lower camera system 150 can move along the length direction of the bottom crossbeam 1111, that is, can move along the axial direction of the insulator 20. Specifically, the connecting seat 1511 is fixed to the second groove 1112 through the second connecting plate 15111. Since the creep of the insulator 20 during the bending test mostly occurs in the part of the insulator 20 close to the first fixture 121, the specific position where the creep occurs is different according to the different lengths of the insulator 20. The movable setting of the lower camera system 150 can make the lower camera system 150 suitable for insulators 20 of various length specifications. Before the bending test is run, the area where the insulating tube of the insulator 20 may creep is pre-determined, and the outer wall of the insulating tube in this area is sprayed with paint. If the insulator 20 creeps, the painted part will undergo strain changes. The strain changes can be reflected on the system platform by image recognition, so that the lower camera system 150 can detect the strain change process of the bottom of the insulator 20 during the bending test in real time and keep the image record. Among them, the type of spraying paint corresponds to the software that the lower camera system 150 can recognize images.

[0032] Combination Figure 4 and Figure 5 As shown, the fifth connecting plate 15122 is connected to the third connecting plate 15112 in an adjustable position, the third connecting plate 15112 is provided with a first through hole 15113 and a second through hole 15114, the fifth connecting plate 15122 is provided with a third through hole 15123 and an arc groove 15124, the first through hole 15113 and the third through hole 15123 are matched with each other and fixedly connected by fasteners, and the second through hole 15114 and the arc groove 15124 are matched with each other and fixedly connected by fasteners. The center of the arc groove 15124 is concentric with the center of the third through hole 15123, and the distance between the center of the first through hole 15113 and the center of the second through hole 15114 is equal to the radius of the arc groove 15124. The second through hole 15114 can be fixedly connected after being matched at any position on the arc groove 15124, so that the relative angle between the movable plate 1512 and the connecting seat 1511 can be adjusted, that is, the movable plate 1512 can be fixedly connected to the connecting seat 1511 in an adjustable position, so that the shooting direction of the lower camera 152 can be adjusted, that is, the lower camera 152 can shoot and measure the creep conditions at multiple angles at the bottom of the insulator 20. Among them, the center angle of the arc groove 15124 is less than 180°, which can be suitable for the shooting angle of the lower camera 152, while avoiding the arc groove 15124 from being opened too large to affect the strength of the fifth connecting plate 15122.

[0033] Among them, the upper camera 142 and the lower camera 152 both use the latest existing camera technology, with a solid structure, a stable test process, and easy operation. They also have high resolution, up to 12 million pixels, and the probe can take up to 2,000 images per second. They can not only detect the subtle strain of the insulator 20, but also detect local strain effects in a large range. They are ideal measurement systems that meet the high-end application requirements of industrial environments.

[0034] Among them, the second connecting plate 15111, the third connecting plate 15112, the fourth connecting plate 15121 and the fifth connecting plate 15122 are all made of alloy steel. The second connecting plate 15111 and the third connecting plate 15112 can be integrally formed or fixed by welding, and the fourth connecting plate 15121 and the fifth connecting plate 15122 can also be integrally formed or fixed by welding, which is not limited here.

[0035] The above only uses the bending test of insulators as an example for illustration. By using the upper camera system and the lower camera system, the creep condition on the insulator can be detected in real time, overcoming the problem of large strain fluctuations and inaccurate measurement results caused by traditionally mounted strain gauges. High-quality and long-term strain detection can be performed, and it is suitable for bending creep tests of insulators of all specifications. In other embodiments, the test device of the present application can be used to detect the strain of any product, and the camera system can be set to one or more, without limitation.

[0036] The beneficial effects of the present application are as follows: the test device of the present application is upgraded from the traditional test device, and a camera system is added to the existing frame, which can detect the test conditions of the product to be tested in real time, and can perform high-quality and long-term strain detection. By optimizing the way the camera system is installed, the measurement position and measurement direction of the three-dimensional camera system can be adjusted. For products with longer lengths, it can be adapted to product tests of all length specifications. And by adding a hydraulic system, the existing bending test process can be optimized to achieve the stability of the bending force and the adjustability of the tonnage. At the same time, the test device also has the ability to resist environmental interference during the test process.

[0037] The technical content and technical features of the present application have been disclosed above. However, it is understood that, under the creative concept of the present application, those skilled in the art can make various changes and improvements to the above structures and materials, including combinations of technical features disclosed or claimed separately herein, and obviously including other combinations of these features. These variations and / or combinations all fall within the technical field involved in the present application and fall within the protection scope of the claims of the present application.

Claims

1. A test device for testing a product to be tested, characterized in that: The test device comprises: A frame, comprising a crossbeam and a support frame, wherein the support frame is used to install the product to be tested; The camera system is movably disposed on the crossbeam and is used for real-time detection of the test conditions of the product to be tested. The camera system includes a mobile bracket and a camera fixed to the mobile bracket. The crossbeam is provided with a groove extending along the length direction of the crossbeam, and the mobile bracket is movably fixed in the groove.

2. The test device according to claim 1, characterized in that: The movable bracket is a first connecting plate, one side of the first connecting plate is fixed in the groove, and the other side of the first connecting plate is fixedly connected to the camera.

3. The test device according to claim 1, characterized in that: The mobile bracket comprises two connecting seats and a mobile plate, the mobile plate is installed between the two connecting seats, and the camera is installed on the mobile plate.

4. The test device according to claim 3, characterized in that: The cross beams are provided in two numbers, and the two connecting seats are movably fixed in the grooves of the two cross beams respectively.

5. The test device according to claim 4, characterized in that: The connecting seat includes a second connecting plate and a third connecting plate. The third connecting plate is vertically fixed to the second connecting plate. The second connecting plate is used to be fixed to the groove of the crossbeam.

6. The test device according to claim 5, characterized in that: The movable plate includes a fourth connecting plate and two fifth connecting plates, and the two side edges of the fourth connecting plate are respectively vertically fixed to the two fifth connecting plates, so that the movable plate is U-shaped as a whole; the movable plate is fixedly connected to the third connecting plates on the two connecting seats through the fifth connecting plates on both sides, so that the movable plate is fixedly arranged between the two connecting seats.

7. The test device according to claim 6, characterized in that The third connecting plate is provided with a first through hole and a second through hole, the fifth connecting plate is provided with a third through hole and an arc-shaped groove, the first through hole is fixedly connected with the third through hole after corresponding matching, and the second through hole is fixedly connected with any position of the arc-shaped groove after corresponding matching, so that the movable plate can be fixedly connected with the connecting seat in an adjustable position.

8. The test device according to claim 7, characterized in that: The center of the arc groove is concentric with the center of the third through hole, and the distance between the center of the first through hole and the center of the second through hole is equal to the radius of the arc groove.

9. The test device according to claim 7, characterized in that: The central angle of the arc groove is less than 180°.

10. The test device according to claim 7, characterized in that: The second connecting plate and the third connecting plate are integrally formed or fixed by welding; and / or The fourth connecting plate and the fifth connecting plate are integrally formed or fixed by welding.

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