Leakage detection equipment for pipeline

Abstract

The utility model relates to the technical field of pipeline air tightness detection, and discloses a pipeline leakage detection device comprising a water tank which is provided with a detection device. According to the leakage detection equipment for the pipeline, the telescopic pipe, the mounting plate, the double-thread screw, the sliding rod, the clamping plate, the limiting plate, the silica gel sealing gasket, the support and the mounting shaft are arranged, the limiting plate is used for positioning the pipeline, the silica gel sealing gasket is aligned with the end face of the pipeline, and the double-thread screw is rotated, so that the two ends of the pipeline can be sealed, and the pipeline is sunk into water; gas is introduced into the pipeline through the telescopic pipe, and whether the pipeline leaks gas or not can be judged by observing whether bubbles are generated in water or not, so that the detection is more comprehensive and visual; by arranging a motor, a first gear and a second gear, starting the motor, controlling the rotation of the mounting rack, placing a pipeline in front of the device, dismounting the pipeline behind the device and performing multi-station cooperation, the reliability of the device is ensured, and meanwhile, the detection efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline gas tightness detection technical field, specifically is a pipeline leak detection equipment. BACKGROUND

[0002] If pipeline system exists leakage, not only will cause medium (such as gas, liquid) waste, also can cause safety accident, so when carrying out pipeline production and manufacture, need to detect pipeline gas tightness.

[0003] Chinese patent discloses a kind of pipeline gas tightness detection device, and the announcement number is CN220525256U, including base and pipeline, the base is installed with vertical board, the vertical board is opened with placing groove, the sealing gasket is installed in the placing groove, the sealing gasket is opened with through-hole, the pressure sensor is installed in the through-hole, the pipeline is arranged on base.When detecting large diameter pipeline, one end of pipeline is on the sealing gasket, and covers pressure sensor, rotates first threaded rod and moves to inboard along the screw hole on vertical plate, first threaded rod is rotated on U-shaped frame by first bearing, so that first rubber plug is into pipeline, until rotation is not movable, gas in pipeline gives pressure sensor pressure, detection data is shown by external display, after a period of time, if display data is unchanged, it indicates that pipeline gas tightness is qualified, otherwise, when small diameter pipeline is detected, U-shaped frame is rotated by one hundred and eighty degrees, and then second rubber plug is into small diameter pipeline for gas tightness detection.

[0004] But still include following shortcoming: device when using, the air in the inside of pipeline is extruded by rubber plug, and the gas tightness of pipeline is judged by observing pressure sensor value, but when rubber plug slides in pipeline, the gas tightness of pipeline on the right side of rubber plug cannot be detected, and there can be a certain degree of air leakage between rubber plug and inner wall of pipeline, which affects detection result.Therefore, we propose a kind of pipeline leak detection equipment to solve this problem. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of pipeline leak detection equipment to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of pipeline leak detection equipment, including water tank, the water tank is provided with detection device, and the detection device includes installation part;

[0007] The installation part includes mounting plate, the outer surface of the mounting plate is fixedly connected with mounting shaft, and the outer surface of the mounting shaft is rotatably sleeved with bracket by bearing;

[0008] The water tank is provided with air inlet portion above;

[0009] The air inlet part includes a fixed shell, the outer surface of which is fixedly connected with the outer surface of the right side support, and the outer surface of the fixed shell is rotatably sleeved with a rotating box through a sealing bearing.

[0010] Further improvement lies in that the mounting part further includes a double-threaded screw rod, a sliding rod, a clamping plate, a limiting plate, a silica gel sealing gasket, a motor, a first gear and a second gear, the outer surface of the double-threaded screw rod is rotatably connected with the outer surface of the mounting plate through a bearing seat, the clamping plate is threadedly sleeved on the outer surface of the double-threaded screw rod, the left and right end surfaces of the clamping plate are slidably penetrated with the sliding rod, and the outer surface of the sliding rod is fixedly connected with the outer surface of the mounting plate, so that the double-threaded screw rod, the sliding rod and the clamping plate are arranged to facilitate clamping and positioning of the pipeline.

[0011] Further improvement lies in that the outer surface of the sliding rod is fixedly connected with the outer surface of the limiting plate, and the outer surface of the clamping plate is fixedly connected with the outer surface of the silica gel sealing gasket, so that the limiting plate and the silica gel sealing gasket are arranged to prevent air leakage at the end of the pipeline due to loose clamping.

[0012] Further improvement lies in that the bottom surface of the motor is fixedly connected with the top surface of the left side support, the first gear is fixedly sleeved on the outer surface of the motor output shaft, the second gear is fixedly sleeved on the outer surface of the left mounting shaft, and the bottom surface of the support is fixedly connected with the top surface of the water tank, so that the motor, the first gear and the second gear are arranged to facilitate rotation control of the mounting plate, facilitate placement of the pipeline in front of the device, and facilitate disassembly of the pipeline at the rear of the device.

[0013] Further improvement lies in that the air inlet part further includes a telescopic pipe, a connecting pipe and an air inlet pipe, the outer surface of the telescopic pipe is fixedly penetrated through the right end surface of the right clamping plate and extends to between the two clamping plates, and the clamping plate and the silica gel sealing gasket at the lowermost position are located below the water surface in the water tank, so that the telescopic pipe is arranged to facilitate air introduction into the inside of the pipeline in the water.

[0014] Further improvement lies in that the outer surface of the connecting pipe is fixedly penetrated through the outer surface of the right mounting plate and extends to between the two mounting plates, the outer surface of the connecting pipe is fixedly and penetratively connected with the outer surface of the telescopic pipe, the outer surface of the connecting pipe is fixedly and penetratively connected with the outer surface of the rotating box, and the outer surface of the air inlet pipe is fixedly and penetratively connected with the outer surface of the fixed shell, so that the fixed shell, the rotating box, the air inlet pipe and the connecting pipe are arranged to facilitate air introduction into the inside of the pipeline.

[0015] Further improvement lies in that an electromagnetic valve is arranged on each of the four connecting pipes, the electromagnetic valve at the lowermost position is in an open state, and the three electromagnetic valves above are in a closed state, so as to facilitate control of air circulation on the inner wall of the connecting pipe and air introduction into the inside of only the lowermost pipeline.

[0016] Compared with the prior art, the pipeline leak detection device has the beneficial effects that: the pipeline is placed in front of the device and is disassembled in the rear of the device, the pipeline is positioned by the limiting plate, the silica gel sealing gasket is aligned with the end face of the pipeline, the double-threaded screw rod is rotated, the two ends of the pipeline are sealed, the pipeline is immersed in water, gas is introduced into the pipeline through the telescopic pipe, whether the pipeline leaks can be determined by observing whether bubbles are generated in the water, and the detection is more comprehensive and intuitive; the motor, the first gear and the second gear are arranged, the motor is started, the mounting frame is controlled to rotate, the pipeline is placed in front of the device and is disassembled in the rear of the device, and multi-station cooperation is achieved, so that the detection efficiency is improved while the reliability of the device is ensured; the connecting pipe, the electromagnetic valve, the rotating box, the fixed shell and the air inlet pipe are arranged, gas is introduced into the air inlet pipe, gas is introduced into the pipeline in the water, and it is only necessary to observe whether bubbles are generated in the water. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a three-dimensional structure schematic view of the detection device of the utility model;

[0018] Figure 2 It is a three-dimensional structure front view of the detection device of the utility model;

[0019] Figure 3 It is Figure 2 It is a structure enlarged view of A in the middle;

[0020] Figure 4 It is Figure 2 It is a structure enlarged view of B in the middle;

[0021] Figure 5 It is a three-dimensional structure right side view of the detection device of the utility model.

[0022] In the drawing: 1 water tank, 2 detection device, 21 air inlet part, 22 mounting part, 211 telescopic pipe, 212 connecting pipe, 213 electromagnetic valve, 214 rotating box, 215 fixed shell, 216 air inlet pipe, 221 mounting plate, 222 double-threaded screw rod, 223 sliding rod, 224 clamping plate, 225 limiting plate, 226 silica gel sealing gasket, 227 motor, 228 support, 229 first gear, 220 second gear, 201 mounting shaft. DETAILED DESCRIPTION

[0023] Clearly, the described embodiments are merely a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all the other embodiments obtained by the person skilled in the art without making creative labor belong to the protection scope of the present utility model.

[0024] Please refer to Figures 1-5 The present utility model provides a technical scheme: a pipeline leak detection equipment, which comprises a water tank 1, the water tank 1 is provided with a detection device 2, the detection device 2 comprises a mounting part 22;

[0025] The mounting part 22 comprises a mounting plate 221, the outer surface of the mounting plate 221 is fixedly connected with a mounting shaft 201, the outer surface of the mounting shaft 201 is rotatably sleeved with a support 228 through a bearing, the mounting part 22 further comprises a double-threaded screw 222, a sliding rod 223, a clamping plate 224, a limiting plate 225, a silica gel sealing gasket 226, a motor 227, a first gear 229 and a second gear 220;

[0026] The outer surface of the double-threaded screw 222 is rotatably connected with the outer surface of the mounting plate 221 through a bearing seat, the clamping plate 224 is threadedly sleeved on the outer surface of the double-threaded screw 222, and the left and right end faces of the clamping plate 224 are slidably penetrated and provided with the sliding rod 223;

[0027] The outer surface of the sliding rod 223 is fixedly connected with the outer surface of the limiting plate 225, the outer surface of the clamping plate 224 is fixedly connected with the outer surface of the silica gel sealing gasket 226, and the outer surface of the sliding rod 223 is fixedly connected with the outer surface of the mounting plate 221;

[0028] The bottom surface of the motor 227 is fixedly connected with the top surface of the left support 228, the first gear 229 is fixedly sleeved on the outer surface of the output shaft of the motor 227, the second gear 220 is fixedly sleeved on the outer surface of the left mounting shaft 201, and the bottom surface of the support 228 is fixedly connected with the top surface of the water tank 1; by arranging the motor 227, the first gear 229 and the second gear 220, starting the motor 227, controlling the rotation of the mounting frame 221, placing the pipeline in front of the device and disassembling the pipeline behind the device, the multiple stations cooperate, the detection efficiency is improved while the reliability of the device is ensured;

[0029] The water tank 1 is provided with an air inlet part 21 above;

[0030] The air inlet part 21 comprises a fixed shell 215, the outer surface of the fixed shell 215 is fixedly connected with the outer surface of the right support 228, the outer surface of the fixed shell 215 is rotatably sleeved with a rotating box 214 through a sealing bearing, and the air inlet part 21 further comprises a telescopic pipe 211, a connecting pipe 212 and an air inlet pipe 216;

[0031] The outer surface of the telescopic pipe 211 is fixedly penetrated through the right end surface of the right clamping plate 224 and extends to between the two clamping plates 224, the lowermost clamping plate 224 and the silica gel sealing pad 226 are located below the water surface in the water tank 1, by arranging the telescopic pipe 211, the mounting plate 221, the double-threaded screw rod 222, the sliding rod 223, the clamping plate 224, the limiting plate 225, the silica gel sealing pad 226, the support 228 and the mounting shaft 201, the pipeline is placed in front of the device, the pipeline is disassembled at the rear of the device, the limiting plate 225 is used for positioning the pipeline, the silica gel sealing pad 226 is aligned with the end surface of the pipeline, the double-threaded screw rod 222 is rotated, the two ends of the pipeline can be sealed, the pipeline is sunk into the water, the gas is introduced into the pipeline through the telescopic pipe 211, whether the pipeline leaks can be determined by observing whether the bubbles are generated in the water, and the detection is more comprehensive and intuitive;

[0032] The outer surface of the connecting pipe 212 is fixedly penetrated through the outer surface of the right mounting plate 221 and extends to between the two mounting plates 221, the outer surface of the connecting pipe 212 is fixedly penetrated and connected with the outer surface of the telescopic pipe 211, the four connecting pipes 212 are all provided with the electromagnetic valve 213, the lowermost electromagnetic valve 213 is in the open state, and the upper three electromagnetic valves 213 are in the closed state;

[0033] The outer surface of the connecting pipe 212 is fixedly penetrated and connected with the outer surface of the rotating box 214, the outer surface of the air inlet pipe 216 is fixedly penetrated and connected with the outer surface of the fixed shell 215, by arranging the connecting pipe 212, the electromagnetic valve 213, the rotating box 214, the fixed shell 215 and the air inlet pipe 216, the gas is introduced into the air inlet pipe 216, the gas can be introduced into the pipeline in the water, and it is only necessary to observe whether the bubbles are generated in the water.

[0034] In use, the pipeline is placed on the front limiting plate 225, the front double-threaded screw rod 222 is rotated, the double-threaded screw rod 222 drives the two front clamping plates 224 to move close to each other, the front silica gel sealing pad is pressed against the end surface of the pipeline, the motor 227 is started, the mounting shaft 201 and the mounting plate 221 are driven to rotate through the first gear 229 and the second gear 220, the pipeline is sunk below the water surface in the water tank 1, the corresponding electromagnetic valve 213 is controlled to be opened, the air in the air inlet pipe 216 passes through the fixed shell 215, the rotating box 214, the connecting pipe 212 and the telescopic pipe 211 and enters the pipeline, whether the bubbles are generated in the water body of the water tank 1 is penetrated, then the pipeline is moved out of the water tank 1, the corresponding electromagnetic valve 213 is also closed, and the rear double-threaded screw rod 222 is rotated, so that the pipeline can be disassembled.

[0035] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A leak detection apparatus for pipes comprising a water tank (1) characterised in that: The water tank (1) is provided with a detection device (2), the detection device (2) comprises a mounting portion (22); The mounting portion (22) comprises a mounting plate (221), the outer surface of the mounting plate (221) is fixedly connected with a mounting shaft (201), the outer surface of the mounting shaft (201) is rotatably sleeved with a bracket (228) through a bearing; The upper portion of the water tank (1) is provided with an air inlet portion (21); The air inlet portion (21) comprises a fixed shell (215), the outer surface of the fixed shell (215) is fixedly connected with the outer surface of the right bracket (228), and the outer surface of the fixed shell (215) is rotatably sleeved with a rotating box (214) through a sealing bearing.

2. A leak detection apparatus for a pipeline as defined in claim 1, wherein: The mounting portion (22) further comprises a double-threaded screw rod (222), a sliding rod (223), a clamping plate (224), a limiting plate (225), a silica gel sealing gasket (226), a motor (227), a first gear (229) and a second gear (220), the outer surface of the double-threaded screw rod (222) is rotatably connected with the outer surface of the mounting plate (221) through a bearing seat, the clamping plate (224) is threadedly sleeved on the outer surface of the double-threaded screw rod (222), and the left and right end surfaces of the clamping plate (224) are slidably penetrated through the sliding rod (223).

3. A leak detection apparatus for a pipeline as defined in claim 2, wherein: The outer surface of the sliding rod (223) is fixedly connected with the outer surface of the limiting plate (225), and the outer surface of the clamping plate (224) is fixedly connected with the outer surface of the silica gel sealing gasket (226).

4. A leak detection apparatus for a pipeline as defined in claim 2, wherein: The bottom surface of the motor (227) is fixedly connected with the top surface of the left bracket (228), the first gear (229) is fixedly sleeved on the output shaft of the motor (227), the second gear (220) is fixedly sleeved on the outer surface of the left mounting shaft (201), and the bottom surface of the bracket (228) is fixedly connected with the top surface of the water tank (1).

5. A leak detection apparatus for a pipeline as defined in claim 1, wherein: The air inlet portion (21) further comprises a telescopic pipe (211), a connecting pipe (212) and an air inlet pipe (216), the outer surface of the telescopic pipe (211) is fixedly penetrated through the right end surface of the right clamping plate (224) and extends to between the two clamping plates (224), and the lowermost clamping plate (224) and the silica gel sealing gasket (226) are located below the water surface in the water tank (1).

6. A leak detection apparatus for a pipeline as defined in claim 5, wherein: The outer surface of the connecting pipe (212) is fixedly penetrated through the outer surface of the right mounting plate (221) and extends to between the two mounting plates (221), the outer surface of the connecting pipe (212) is fixedly and penetratively connected with the outer surface of the telescopic pipe (211), the outer surface of the connecting pipe (212) is fixedly and penetratively connected with the outer surface of the rotating box (214), and the outer surface of the air inlet pipe (216) is fixedly and penetratively connected with the outer surface of the fixed shell (215).

7. A leak detection apparatus for a pipeline as defined in claim 5, wherein: An electromagnetic valve (213) is arranged on each of the four connecting pipes (212), the lowermost electromagnetic valve (213) is in an open state, and the upper three electromagnetic valves (213) are in a closed state.

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