High-temperature-resistant detection device for urea injection pipe

Abstract

The utility model belongs to the technical field of urea injection pipes, and particularly relates to a high-temperature-resistant detection device of a urea injection pipe, which comprises a detection box and an injection pipe body, a limiting device is arranged in the detection box, and the limiting device comprises an upper limiting arc block, a lower limiting arc block, a sliding block and a threaded rod. According to the high-temperature-resistant detection device for the urea injection pipe, when the high-temperature-resistant degree of an injection pipe body is detected, the injection pipe body is firstly placed between an upper limiting arc block and a lower limiting arc block, then a rotating rod is used for controlling a sliding block to move downwards, so that the injection pipe body is kept stable, then the injection pipe body in a detection box is heated, and the high-temperature-resistant degree of the injection pipe body is detected; a thermometer detects the heating temperature, when the injection pipe body cannot resist high temperature, the injection pipe body can deform, at the moment, an upper limiting arc block and a lower limiting arc block are extruded, the value of a pressure sensor is changed, and then the specific high-temperature-resistant temperature of the injection pipe body can be detected.

Description

Technical Field

[0001] The utility model relates to the technical field of urea injection pipes, in particular to a high-temperature resistance detection device for urea injection pipes. Background Art

[0002] As disclosed in a high-temperature resistance performance detection device for a plastic dipped pipe (application number: 202020556142.7) on the Chinese Patent Network, in order to facilitate the detection of the influence of temperature on the pipe, the traces left by the survey pen on the survey board can be used to analyze the degree of influence of temperature on the pipe. However, this mechanism cannot detect the specific temperature affecting the pipe, and thus cannot understand the degree of high-temperature resistance of the pipe. Content of the Utility Model

[0003] Based on the technical problem that the existing pipe detection mechanism cannot understand the specific degree of high-temperature resistance, the utility model provides a high-temperature resistance detection device for urea injection pipes.

[0004] A high-temperature resistance detection device for urea injection pipes provided by the utility model includes a detection box and a spray pipe body. A limiting device is arranged inside the detection box. The limiting device includes an upper limiting arc block, a lower limiting arc block, a sliding block and a threaded rod. When the threaded rod rotates, it controls the sliding block to move downward, and the sliding block drives the upper limiting arc block to move downward to clamp the spray pipe body between the upper limiting arc block and the lower limiting arc block.

[0005] Preferably, a rotating rod is rotatably connected to the upper end inside the detection box. A limiting circular plate is fixedly installed on the outer surface of the rotating rod. The outer surface of the limiting circular plate is rotatably connected to the inside of the detection box. A driving bevel gear is fixedly installed on the right end surface of the rotating rod.

[0006] Through the above technical solution, the limiting circular plate is stuck in the rotating rod to rotate, ensuring that the rotating rod can rotate stably. The rotating rod drives the driving bevel gear to rotate.

[0007] Preferably, a rotating rod is rotatably connected to the right side of the driving bevel gear inside the detection box. A rotating circular plate is fixedly installed on the upper end surface of the rotating rod. The outer surface of the rotating circular plate is rotatably connected to the inside of the detection box. A driven bevel gear is fixedly installed on the lower end surface of the rotating rod. The outer surface of the driven bevel gear meshes with the outer surface of the driving bevel gear.

[0008] Through the above technical solution, the rotating circular plate is stuck in the detection box to rotate, ensuring that the rotating rod rotates stably. The driving bevel gear drives the driven bevel gear to rotate.

[0009] Preferably, the sliding block is slidably inserted inside the detection box. The threaded rod is fixedly installed on the lower surface of the driven bevel gear. The outer surface of the threaded rod is threadedly connected to the inside of the sliding block. The upper limit arc block is fixedly installed on the lower surface of the sliding block.

[0010] Through the above technical solution, the driven bevel gear drives the threaded rod to rotate, controls the sliding block to move up and down, and drives the upper limit arc block to limit the injection pipe body.

[0011] Preferably, a mounting plate is fixedly installed on the inner bottom of the detection box. A fixing plate is fixedly installed on the upper surface of the mounting plate. A sliding plate is slidably inserted on the outer surface of the fixing plate. The lower limit arc block is fixedly installed on the upper surface of the sliding plate.

[0012] Through the above technical solution, the sliding plate slides outside the fixing plate to ensure that the sliding plate moves up and down stably, so that the lower limit arc block moves stably.

[0013] Preferably, a pressure sensor is fixedly installed on the upper surface of the mounting plate. The upper surface of the pressure sensor contacts the lower surface of the sliding plate. The injection pipe body is placed between the upper limit arc block and the lower limit arc block. A thermometer is fixedly installed inside the detection box.

[0014] Through the above technical solution, the pressure sensor can detect the pressure transmitted by the lower limit arc block. When the injection pipe body deforms due to being unable to withstand high temperature, it will squeeze the upper limit arc block and the lower limit arc block.

[0015] The beneficial effects in the present utility model are as follows:

[0016] By setting the limiting device, when detecting the high-temperature resistance degree of the injection pipe body, first place the injection pipe body between the upper limit arc block and the lower limit arc block, and then rotate the rotating rod to make the driving bevel gear drive the driven bevel gear to rotate, so that the threaded rod rotates, control the sliding block to move downward, let the upper limit arc block squeeze the injection pipe body downward to keep the spraying pipe body stable, and then heat the injection pipe body in the detection box. The thermometer detects the heating temperature. When the injection pipe body deforms due to being unable to withstand high temperature, it will squeeze the upper limit arc block and the lower limit arc block at this time, causing the value of the pressure sensor to change, and thus the specific temperature of the injection pipe body's high-temperature resistance can be detected, achieving the effect of conveniently understanding the high-temperature resistance degree of the injection pipe body. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of a high-temperature resistance detection device for a urea injection pipe proposed by the present utility model;

[0018] Figure 2Cross-sectional view of the detection box structure of a high-temperature resistant detection device for a urea injection pipe proposed by the present utility model;

[0019] Figure 3 Stereogram of the sliding plate structure of a high-temperature resistant detection device for a urea injection pipe proposed by the present utility model.

[0020] In the figure: 1. Detection box; 11. Rotating rod; 12. Limiting circular plate; 13. Driving bevel gear; 14. Rotating rod; 15. Rotating circular plate; 16. Driven bevel gear; 17. Mounting plate; 18. Fixed plate; 19. Sliding plate; 110. Pressure sensor; 111. Thermometer; 2. Injection pipe body; 3. Upper limiting arc block; 4. Lower limiting arc block; 5. Sliding block; 6. Threaded rod. Specific implementation mode

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.

[0022] Refer to Figures 1 - 3 , a high-temperature resistant detection device for a urea injection pipe, including a detection box 1 and an injection pipe body 2. In order to facilitate the limitation of the injection pipe body 2, a limiting device is arranged inside the detection box 1. The limiting device includes an upper limiting arc block 3, a lower limiting arc block 4, a sliding block 5 and a threaded rod 6. When the threaded rod 6 rotates, it controls the sliding block 5 to move downward, and the sliding block 5 drives the upper limiting arc block 3 to move downward to clamp the injection pipe body 2 in cooperation with the lower limiting arc block 4 in the middle.

[0023] In order to ensure that the rotating rod 11 can rotate stably, the upper end inside the detection box 1 is rotatably connected with a rotating rod 11. A limiting circular plate 12 is fixedly installed on the outer surface of the rotating rod 11. The outer surface of the limiting circular plate 12 is rotatably connected with the inside of the detection box 1. A driving bevel gear 13 is fixedly installed on the right end surface of the rotating rod 11. The limiting circular plate 12 is stuck in the rotating rod 11 to rotate, ensuring that the rotating rod 11 can rotate stably, and the rotating rod 11 drives the driving bevel gear 13 to rotate.

[0024] In order to facilitate the control of the rotation of the driven bevel gear 16, a rotating rod 14 is rotatably connected inside the detection box 1 on the right side of the driving bevel gear 13. A rotating circular plate 15 is fixedly installed on the upper end surface of the rotating rod 14. The outer surface of the rotating circular plate 15 is rotatably connected with the inside of the detection box 1. A driven bevel gear 16 is fixedly installed on the lower end surface of the rotating rod 14. The outer surface of the driven bevel gear 16 is meshed with the outer surface of the driving bevel gear 13. The rotating circular plate 15 is stuck in the detection box 1 to rotate, ensuring that the rotating rod 14 rotates stably, and the driving bevel gear 13 drives the driven bevel gear 16 to rotate.

[0025] To facilitate the control of the upper limit arc block 3 to limit the injection pipe body 2, the sliding block 5 is slidably inserted into the detection box 1. The threaded rod 6 is fixedly installed on the lower surface of the driven bevel gear 16. The outer surface of the threaded rod 6 is threadedly connected to the inside of the sliding block 5. The upper limit arc block 3 is fixedly installed on the lower surface of the sliding block 5. The driven bevel gear 16 drives the threaded rod 6 to rotate, controls the sliding block 5 to move up and down, and drives the upper limit arc block 3 to limit the injection pipe body 2.

[0026] To ensure the stable up and down movement of the sliding plate 19, the mounting plate 17 is fixedly installed at the inner bottom of the detection box 1. The fixing plate 18 is fixedly installed on the upper surface of the mounting plate 17. The outer surface of the fixing plate 18 is slidably inserted with the sliding plate 19. The lower limit arc block 4 is fixedly installed on the upper surface of the sliding plate 19. The sliding plate 19 is stuck outside the fixing plate 18 and slides, ensuring the stable up and down movement of the sliding plate 19 and the stable movement of the lower limit arc block 4.

[0027] To facilitate the detection of the pressure transmitted from the lower limit arc block 4, the pressure sensor 110 is fixedly installed on the upper surface of the mounting plate 17. The upper surface of the pressure sensor 110 is in contact with the lower surface of the sliding plate 19. The injection pipe body 2 is placed between the upper limit arc block 3 and the lower limit arc block 4. The thermometer 111 is fixedly installed inside the detection box 1. The pressure sensor 110 can detect the pressure transmitted from the lower limit arc block 4. When the injection pipe body 2 deforms due to being unable to withstand high temperatures, it will squeeze the upper limit arc block 3 and the lower limit arc block 4.

[0028] By setting the limiting device, when detecting the high-temperature resistance degree of the injection pipe body 2, first place the injection pipe body 2 between the upper limit arc block 3 and the lower limit arc block 4, and then rotate the rotating rod 11 to make the driving bevel gear 13 drive the driven bevel gear 16 to rotate, so that the threaded rod 6 rotates, controls the sliding block 5 to move downward, and makes the upper limit arc block 3 squeeze the injection pipe body 2 downward to keep the spraying pipe body stable. Then heat the injection pipe body 2 in the detection box 1. The thermometer 111 detects the heating temperature. When the injection pipe body 2 cannot withstand high temperatures and deforms, it will squeeze the upper limit arc block 3 and the lower limit arc block 4 at this time, causing the value of the pressure sensor 110 to change, and thus being able to detect the specific temperature of the injection pipe body 2's high-temperature resistance, achieving the effect of conveniently understanding the high-temperature resistance degree of the injection pipe body 2.

[0029] Working principle: When detecting the high-temperature resistance of the spray pipe body 2, first place the spray pipe body 2 between the upper limit arc block 3 and the lower limit arc block 4, and then rotate the rotating rod 11 to make the driving bevel gear 13 drive the driven bevel gear 16 to rotate, so that the threaded rod 6 rotates, control the sliding block 5 to move downward, and let the upper limit arc block 3 press downward on the spray pipe body 2 to keep the spray pipe body stable. Then heat the spray pipe body 2 in the detection box 1, and the thermometer 111 detects the heating temperature. When the spray pipe body 2 cannot withstand high temperatures, it will deform. At this time, it will press on the upper limit arc block 3 and the lower limit arc block 4, causing the value of the pressure sensor 110 to change. The display instruments of the pressure sensor 110 and the thermometer 111 are installed outside the detection box 1 for convenient observation, so as to detect the specific temperature of the spray pipe body 2's high-temperature resistance.

[0030] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. A high-temperature detection device for a urea injection pipe, comprising a detection box (1) and an injection pipe body (2), characterized in that: A limiting device is arranged inside the detection box (1). The limiting device includes an upper limiting arc block (3), a lower limiting arc block (4), a sliding block (5) and a threaded rod (6). When the threaded rod (6) rotates, it controls the sliding block (5) to move downward. The sliding block (5) drives the upper limiting arc block (3) to move downward to clamp the spray pipe body (2) between the upper limiting arc block (3) and the lower limiting arc block (4). A mounting plate (17) is fixedly installed at the inner bottom of the detection box (1). A fixing plate (18) is fixedly installed on the upper surface of the mounting plate (17). A sliding plate (19) is slidably inserted on the outer surface of the fixing plate (18). The lower limiting arc block (4) is fixedly installed on the upper surface of the sliding plate (19). A pressure sensor (110) is fixedly installed on the upper surface of the mounting plate (17). The upper surface of the pressure sensor (110) is in contact with the lower surface of the sliding plate (19). The spray pipe body (2) is placed between the upper limiting arc block (3) and the lower limiting arc block (4). A thermometer (111) is fixedly installed inside the detection box (1).

2. The high-temperature detection device for a urea injection pipe according to claim 1, wherein: A rotating rod (11) is rotatably connected to the upper end inside the detection box (1). A limiting circular plate (12) is fixedly installed on the outer surface of the rotating rod (11). The outer surface of the limiting circular plate (12) is rotatably connected to the inside of the detection box (1). A driving bevel gear (13) is fixedly installed on the right end surface of the rotating rod (11).

3. The high-temperature detection device for a urea injection pipe according to claim 2, characterized in that: A rotating rod (14) is rotatably connected to the inside of the detection box (1) on the right side of the driving bevel gear (13). A rotating circular plate (15) is fixedly installed on the upper end surface of the rotating rod (14). The outer surface of the rotating circular plate (15) is rotatably connected to the inside of the detection box (1). A driven bevel gear (16) is fixedly installed on the lower end surface of the rotating rod (14). The outer surface of the driven bevel gear (16) is meshed with the outer surface of the driving bevel gear (13).

4. The high-temperature detection device for a urea injection pipe according to claim 3, characterized in that: The sliding block (5) is slidably inserted into the inside of the detection box (1). The threaded rod (6) is fixedly installed on the lower surface of the driven bevel gear (16). The outer surface of the threaded rod (6) is threadedly connected to the inside of the sliding block (5). The upper limiting arc block (3) is fixedly installed on the lower surface of the sliding block (5).

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