Device for testing service life of electric heating tube

Abstract

The utility model relates to the technical field of industrial testing and detection, in particular to an electric heating pipe service life testing device which comprises a limiting structure used for clamping different pipelines and a heat collecting structure used for collecting heat, the limiting structure is installed in a heating cavity, and the heating cavity is installed in a hose. The connecting column is fixedly connected with the sliding block, the sliding block is slidably connected with the sliding rod, the sliding rod is fixedly connected with the friction block and the first connecting rod, the first connecting rod is fixedly connected with the second limiting ring, the second limiting ring is fixedly connected with the circular ring, and the circular ring and the conveying pipe are fixedly arranged. By arranging the limiting structure, the limiting structure can clamp and limit different pipelines through the connection and sliding relation among all the parts, the problem that the different pipelines are difficult to stably fix in the testing process, and test data are likely to be inaccurate can be solved through the limiting structure, the different pipelines can be stably clamped, and the accuracy of the test data is guaranteed.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of industrial testing and detection, and in particular to a service life testing device for an electric heating pipe. BACKGROUND

[0002] The pipe testing positioning device is a core component of the industrial detection system and is widely used in the quality evaluation of pressure vessels such as oil conveying pipes and chemical reaction pipes. With the popularization of new composite pipes and the increase of special-shaped pipe fittings, the modern detection system needs to adapt to testing objects of different diameters and curvatures in high-temperature and high-pressure environments, which puts higher requirements on the dynamic adjustment capability and environmental tolerance of the clamping mechanism.

[0003] The prior art has significant defects: the traditional clamping tool adopts a fixed chuck cooperating with a bolt locking structure, and when facing non-standard pipes, the clamps need to be frequently replaced, it is difficult to realize uniform stress on the curved pipe wall, and local deformation of the pipe body may affect the sealing test results; at the same time, the rigid clamping mechanism lacks a buffer compensation function, and in hydraulic impact testing, micro-displacement may occur to cause the pressure sensor reading to drift. More importantly, the conventional positioning device does not integrate a heat management module, and when testing high-temperature medium pipes, the deformation of the clamps caused by thermal expansion may damage the clamping concentricity and cause imaging distortion of the infrared detector. CONTENT OF THE INVENTION

[0004] In order to solve the problems mentioned in the background, the present application provides a service life testing device for an electric heating pipe.

[0005] The service life testing device for an electric heating pipe provided by the present application adopts the following technical solution: a limiting structure for clamping different pipes, a heat collecting structure for collecting heat, the limiting structure is installed inside a heating cavity, the heating cavity is installed inside a hose, and the heat collecting structure is fixedly connected to one end of the outer side of the hose; the limiting structure includes a limiting ring one, a connecting column is fixedly connected to the outer side of the limiting ring one, a sliding block is fixedly connected to one side of the connecting column, a sliding rod is slidingly connected to the outer middle part of the sliding block, a friction block is fixedly connected to one side of the sliding rod, a connecting rod one is fixedly connected to the other side of the sliding rod, a limiting ring two is fixedly connected to one side of the connecting rod one, a circular ring is fixedly connected to one side of the limiting ring two, and a delivery pipe is fixedly arranged on one side of the circular ring.

[0006] Optionally, the heat collecting structure includes a conical platform, a vacuum cavity is formed in the inside of the conical platform, a filter screen is fixedly connected to the bottom of the vacuum cavity, and a partition layer is arranged on the outer side of the filter screen.

[0007] The conical frustum in the heat collecting structure can converge heat, the vacuum cavity formed in the inside of the conical frustum can effectively reduce heat loss, and the filter screen fixedly connected to the bottom of the vacuum cavity can filter out impurities carried, and the heat insulation layer arranged outside the filter screen can further insulate heat and prevent the external environment from affecting the collected heat.

[0008] Optionally, a flange plate is fixedly connected to the outside of the hose, and a base is fixedly connected to the bottom of the hose.

[0009] Through the above scheme, the flange plate fixedly connected to the outside of the hose facilitates connection and fixation with other components, so that the whole device is stably connected; and the base fixedly connected to the bottom of the hose provides stable support for the hose, so that the whole device can be stably placed.

[0010] Optionally, a connecting pipe is fixedly connected to one side of the flange plate, and a control box is fixedly connected to the other side of the flange plate.

[0011] Through the above scheme, the connecting pipe fixedly connected to one side of the flange plate can be connected with other external equipment, and the control box fixedly connected to the other side of the flange plate is used for controlling operation of the whole testing device.

[0012] Optionally, a driver is fixedly connected to one side of the connecting pipe, and a heat collecting structure is arranged on the other side of the driver, and a base is arranged at the bottom of the heat collecting structure.

[0013] Through the above scheme, the driver fixedly connected to one side of the connecting pipe can drive related components to operate; the heat collecting structure arranged on the other side of the driver is responsible for collecting heat generated in the operation process of the device; and the base arranged at the bottom of the heat collecting structure can support the heat collecting structure, so that the heat collecting structure is stably placed.

[0014] Optionally, a hose is arranged outside the control box, and a driver is arranged on one side of the hose.

[0015] Through the above scheme, the hose arranged outside the control box can be connected and conveyed, and the driver arranged on one side of the hose drives components to normally work, so that the control signal transmission and power supply link of the device can normally operate.

[0016] Optionally, one side output end of the heating cavity is fixed to the bottom of the filter screen, and a conical frustum is arranged on the top of the filter screen.

[0017] Through the above scheme, the one side output end of the heating cavity is fixed to the bottom of the filter screen, so that substances or energy generated in the heating cavity can smoothly pass through and be filtered by the filter screen; and the conical frustum arranged on the top of the filter screen can converge substances or energy from the heating cavity.

[0018] In summary, the present application has the following beneficial technical effects:

[0019] 1. The utility model discloses a limiting ring one, connecting column, sliding block, slide rod, friction block, connecting rod one, limiting ring two, circular ring, conveying pipe etc. part is set up, through the cooperation between the parts of limiting ring one and connecting column fixed connection, connecting column and sliding block fixed connection, sliding block and slide rod sliding connection, slide rod is fixedly connected with friction block and connecting rod one respectively, connecting rod one and limiting ring two fixed connection, limiting ring two and circular ring fixed connection, circular ring and conveying pipe fixed setting, limiting structure can be clamped and positioned to different pipelines through the connection and sliding relationship between each part, can solve the problem that different pipelines are difficult to stabilize and fix in the testing process through the limiting structure, can cause the problem of inaccurate test data, can stably clamp different pipelines and guarantee the accuracy of test data.

[0020] 2. The utility model discloses a conical table, vacuum cavity, interlayer, filter screen etc. part is set up, through the cooperation between the parts of conical table inside setting vacuum cavity, vacuum cavity bottom fixed connection filter screen, filter screen outside setting interlayer, heat collection structure can reduce heat loss through vacuum cavity, filter screen filters the impurity, interlayer further heat insulation etc. to the effective collection and preliminary processing of heat, can solve the problem that heat is easy to lose and possibly mixed with impurities to affect the follow -up analysis in the heat collection process through the heat collection structure, thereby can efficiently collect heat and guarantee heat purity. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the whole structure schematic diagram in the embodiment of the application;

[0022] Figure 2 It is the structure schematic diagram of the heating cavity inside in the embodiment of the application;

[0023] Figure 3 It is the structure schematic diagram of heat collection structure in the embodiment of the application;

[0024] Figure 4 It is the structure schematic diagram of limiting structure in the embodiment of the application.

[0025] Fig. 1, connecting pipe;2, limiting structure;21, sliding block;22, connecting rod one;23, connecting column;24, limiting ring one;25, slide rod;26, friction block;27, limiting ring two;28, circular ring;29, conveying pipe;3, control box;4, heating cavity;5, heat collection structure;51, vacuum cavity;52, conical table;53, interlayer;54, filter screen;6, driver;7, flange plate;8, hose;9, base. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings Figures 1-4 Make further detailed description to the application.

[0027] The embodiment of the application discloses a kind of electric heating pipe service life test device.

[0028] Please refer to Figures 1 to 4 A kind of electric heating pipe service life test device, including for clamping different pipe limiting structure 2, for collecting heat heat collection structure 5, limiting structure 2 is installed in the inside of heating cavity 4, heating cavity 4 is installed in the inside of hose 8, the outside one end of hose 8 is fixedly connected with heat collection structure 5;Limiting structure 2 includes limiting ring one 24, the outside of limiting ring one 24 is fixedly connected with connecting column 23, one side of connecting column 23 is fixedly connected with sliding block 21, the outside middle part of sliding block 21 is slidably connected with slide rod 25, one side of slide rod 25 is fixedly connected with friction block 26, the other side of slide rod 25 is fixedly connected with connecting rod one 22, one side of connecting rod one 22 is fixedly connected with limiting ring two 27, one side of limiting ring two 27 is fixedly connected with circular ring 28, and circular ring 28 one side is fixedly provided with delivery pipe 29.

[0029] Need to be explained, limiting structure 2 can clamp different pipe, ensure that pipe is stable when testing, it is installed in the inside of heating cavity 4, and heating cavity 4 is installed in the inside of hose 8, and the outside one end of hose 8 is connected with heat collection structure 5, and heat collection structure 5 is used to collect the heat generated during testing, the outside of limiting ring one 24 is connected with sliding block 21 by connecting column 23, and sliding block 21 can slide on slide rod 25, so that limiting structure 2 can flexibly adjust the clamping force of different pipe, and the side of slide rod 25 has friction block 26, which can increase the friction force, to ensure that clamping is stable, and the other side is connected with limiting ring two 27 by connecting rod one 22, one side of limiting ring two 27 is connected with circular ring 28, and circular ring 28 one side is fixedly provided with delivery pipe 29, and delivery pipe 29 can be used to transport medium required for testing.

[0030] Please refer to Figures 1 to 4 Heat collection structure 5 includes circular truncated cone 52, vacuum cavity 51 is formed in the inside of circular truncated cone 52, filter screen 54 is fixedly connected at the bottom of vacuum cavity 51, and the outside of filter screen 54 is provided with partition layer 53.

[0031] Need to be explained, the circular truncated cone 52 in heat collection structure 5, the vacuum cavity 51 formed in the inside of which can effectively reduce heat loss, improve heat collection efficiency, the filter screen 54 fixed at the bottom of vacuum cavity 51 can filter the entering substance or impurity, ensure that the heat collected is pure, and the partition layer 53 provided at the outside of filter screen 54 can be heat insulation, block external heat interference, reduce internal heat emission, maintain the stability of heat in heat collection structure 5, so that heat collection work is smoothly carried out.

[0032] Please refer to Figures 1 to 4 The outside of hose 8 is fixedly connected with flange 7, and the bottom of hose 8 is fixedly connected with base 9.

[0033] It needs to be explained that the outer side of the hose 8 is fixedly connected with the flange plate 7, which facilitates the connection and fixation of the hose 8 with other components, so that the whole device is connected stably and sealed, and the bottom of the hose 8 is fixedly connected with the base 9, which enables the hose 8 to maintain a certain position and prevent the hose 8 from shaking or shifting during use, thereby ensuring the reliable operation of the whole testing device.

[0034] Please refer to Figures 1 to 4 , one side of the flange plate 7 is fixedly connected with the connecting pipe 1, and the other side of the flange plate 7 is fixedly connected with the control box 3.

[0035] It needs to be explained that one side of the flange plate 7 is fixedly connected with the connecting pipe 1, which is used for conveying medium, and the other side of the flange plate 7 is fixedly connected with the control box 3, which contains various control elements and circuits inside. The fixed connection of the flange plate 7 and the control box 3 enables the control box 3 to be stably installed on the device and facilitates electrical connection and signal transmission with other components in the device, so that the testing work can proceed smoothly according to the set program.

[0036] Please refer to Figures 1 to 4 , one side of the connecting pipe 1 is fixedly connected with the driver 6, and the other side of the driver 6 is provided with the heat collecting structure 5, and the bottom of the heat collecting structure 5 is provided with the base 9.

[0037] It needs to be explained that one side of the connecting pipe 1 is fixedly connected with the driver 6, which drives the related components to operate, and the other side of the driver 6 is provided with the heat collecting structure 5, which is responsible for collecting the heat generated during the testing process. The bottom of the heat collecting structure 5 is provided with the base 9, which provides stable support for the heat collecting structure 5, ensuring that the heat collecting structure 5 can be stably placed in the device.

[0038] Please refer to Figures 1 to 4 , the outer side of the control box 3 is provided with the hose 8, and one side of the hose 8 is provided with the driver 6.

[0039] It needs to be explained that the outer side of the control box 3 is provided with the hose 8, which connects different components in the device and ensures the circulation of substances between components, and one side of the hose 8 is provided with the driver 6, which drives the related components to operate, enabling the medium in the device to be smoothly conveyed and the components to normally act.

[0040] Please refer to Figures 1 to 4 , one side of the heating cavity 4 is fixedly connected with the bottom of the filter screen 54, and the top of the filter screen 54 is provided with the circular truncated cone 52.

[0041] It needs to be explained that the heating cavity 4 is used for heating the pipeline, and one side of the output end is fixed at the bottom of the filter screen 54. The substances, impurities and the like generated in the heating cavity 4 can smoothly pass through the output end into the filter screen 54, and the filter screen 54 filters the impurities. The top of the filter screen 54 is provided with a conical table 52, which can converge heat and better collect the heat carried by the substances from the heating cavity 4.

[0042] The implementation principle of the service life testing device for the electric heating pipe according to the embodiment of the application is as follows:

[0043] Firstly, the pipeline to be tested is placed in the limiting structure 2. The spacing between the limiting ring one 24 and the limiting ring two 27 is flexibly adjusted by sliding the sliding block 21 on the sliding rod 25 to adapt to the size of different pipelines. The friction block 26 increases the friction force to ensure stable clamping and ensure the stability of the pipeline during testing. At the same time, the medium required for testing is delivered into the pipeline through the delivery pipe 29.

[0044] Secondly, the driver 6 is started, and the driver 6 drives the related components to operate. The heating cavity 4 starts to work and heats the pipeline. The medium in the pipeline changes after being heated and generates heat. The substances, impurities and the like generated at one side of the output end of the heating cavity 4 enter the filter screen 54 for filtration to ensure the purity of the subsequent process. The heat carried is transmitted upward and is collected by the heat collecting structure 5. The conical table 52 in the heat collecting structure 5 converges heat, the vacuum cavity 51 reduces heat loss, and the partition layer 53 blocks the interference of external heat to ensure the smooth progress of the heat collection work.

[0045] Finally, the control box 3 controls and monitors the entire testing process. Through electrical connection and signal transmission with other components in the device, it is ensured that the testing work is carried out according to the set program. The hose 8 is connected with different components in the device to ensure the circulation of substances and signals between components. The base 9 provides stable support for the hose 8, the heat collecting structure 5 and the like to ensure stable operation of the entire testing device, thereby completing the service life testing of the electric heating pipe. The above are the preferred embodiments of the application, but do not limit the protection scope of the application. Therefore, equivalent changes made according to the structure, shape and principle of the application should be covered within the protection scope of the application.

Claims

1. An electric heating tube service life test device, comprising a limiting structure (2) for clamping different tubes, and a heat collecting structure (5) for collecting heat, characterized in that: The limiting structure (2) is installed inside the heating cavity (4), the heating cavity (4) is installed inside the hose (8), and the outer side of the hose (8) is fixedly connected with the heat collecting structure (5); The limiting structure (2) comprises a limiting ring one (24), the outer side of the limiting ring one (24) is fixedly connected with a connecting column (23), one side of the connecting column (23) is fixedly connected with a sliding block (21), the outer side of the sliding block (21) is slidably connected with a sliding rod (25), one side of the sliding rod (25) is fixedly connected with a friction block (26), the other side of the sliding rod (25) is fixedly connected with a connecting rod one (22), one side of the connecting rod one (22) is fixedly connected with a limiting ring two (27), one side of the limiting ring two (27) is fixedly connected with a circular ring (28), and the circular ring (28) is fixedly provided with a conveying pipe (29) on one side.

2. The device for testing the service life of an electric heating tube according to claim 1, characterized in that: The heat collecting structure (5) comprises a frustum (52), a vacuum cavity (51) is formed in the inside of the frustum (52), the bottom of the vacuum cavity (51) is fixedly connected with a filter screen (54), and the outer side of the filter screen (54) is provided with a partition layer (53).

3. The device of claim 1, wherein: The outer side of the hose (8) is fixedly connected with a flange plate (7), and the bottom of the hose (8) is fixedly connected with a base (9).

4. A device for testing the service life of an electric heating tube according to claim 3, characterized in that: One side of the flange plate (7) is fixedly connected with a connecting pipe (1), and the other side of the flange plate (7) is fixedly connected with a control box (3).

5. A device for testing the service life of an electric heating tube according to claim 4, characterized in that: One side of the connecting pipe (1) is fixedly connected with a driver (6), the other side of the driver (6) is provided with the heat collecting structure (5), and the bottom of the heat collecting structure (5) is provided with the base (9).

6. A device for testing the service life of an electric heating tube according to claim 4, characterized in that: The outer side of the control box (3) is provided with the hose (8), and one side of the hose (8) is provided with the driver (6).

7. A device for testing the service life of an electric heating tube according to claim 1, characterized in that: One side of the heating cavity (4) is fixedly connected with the bottom of the filter screen (54), and the top of the filter screen (54) is provided with the frustum (52).

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