Natural gas pipeline defect ultrasonic detection device

Abstract

The utility model discloses a natural gas pipeline defect ultrasonic detection device, and particularly relates to the technical field of detection equipment, the natural gas pipeline defect ultrasonic detection device comprises a detection box and a plurality of detection heads arranged on one side of the outer surface of the detection box, the upper side and the lower side of the outer surface of each detection head are each fixedly provided with two ultrasonic probes, and the ultrasonic probes are used for detecting defects of a natural gas pipeline. And the lower side of the outer surface of the detection head is rotationally connected with a second universal wheel. According to the natural gas pipeline defect ultrasonic detection device disclosed by the utility model, in actual work, the motor drives the driving plate to rotate, so that the plurality of detection heads can be close to or far away from each other, the plurality of detection sleeves are sleeved on the outer surface of a natural gas pipeline, and the plurality of second universal wheels are in contact with the outer wall of the natural gas pipeline; and a plurality of detection heads are inserted into the natural gas pipeline, and a plurality of first universal wheels are in contact with the inner wall of the natural gas pipeline, so that the detection from the inner wall of the natural gas pipeline is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline detection equipment technical field, concretely relates to a natural gas pipeline defect ultrasonic detection device. BACKGROUND

[0002] Natural gas refers to a kind of combustible gas existing in nature, is a fossil fuel, including the gas formed in various natural processes in atmosphere, hydrosphere and lithosphere, natural gas is often transported by pipeline, and natural gas pipeline is used at present, ultrasonic detection device is used, the defect of natural gas pipeline is detected, so as to find the defect of natural gas pipeline and carry out repair or replacement.

[0003] Through the retrieval, for example, the utility model with announcement number CN218412374U discloses natural gas pipeline defect ultrasonic detection device, data display is provided below, and data display and mobile fixed ring are provided with receiving box between, receiving box is provided with receiving assembly in the inside, and the utility model in use, only natural gas pipeline can be detected from the outer wall of natural gas pipeline, when needing to detect from the inner wall of natural gas pipeline, equipment needs to be replaced, it is more tedious, therefore, in order to solve above-mentioned defects, the present application provides a kind of natural gas pipeline defect ultrasonic detection device. UTILITY MODEL CONTENT

[0004] Therefore, the utility model provides a kind of natural gas pipeline defect ultrasonic detection device to solve the problem of not being convenient for detecting from the inner wall of natural gas pipeline in prior art.

[0005] In order to realize the above-mentioned purpose, the utility model embodiment provides the following technical scheme:

[0006] A kind of natural gas pipeline defect ultrasonic detection device, including detection box and the multiple detection heads of being located at the outer surface one side of detection box, the outer surface of the detection head is fixedly installed with two ultrasonic probes on the two sides of upper and lower, for detecting the defect of natural gas pipeline, the outer surface lower side of the detection head is rotatably connected with second universal wheel, the outer surface upper side of the detection head is fixedly installed with telescopic sleeve, and the inner bottom surface of telescopic sleeve is fixedly installed with spring, the inside of telescopic sleeve is slidably connected with connecting rod, and part of connecting rod is located in telescopic sleeve, the remaining part of connecting rod is located outside telescopic sleeve, the spring is fixedly connected with one end of connecting rod located in the inside of telescopic sleeve, the one end of connecting rod extending to the outside of telescopic sleeve is rotatably connected with first universal wheel.

[0007] Preferably, a plurality of sliding grooves are arranged on the side of the detection box outer surface close to the detection head, and a sliding block is slidably connected in the sliding grooves; a fixing sleeve is fixedly installed on the side of the sliding block close to the detection head; an extension plate is slidably connected in the fixing sleeve, and a part of the extension plate is located in the fixing sleeve, and the rest of the extension plate is located outside the fixing sleeve; one end of the extension plate located outside the fixing sleeve is fixedly connected with the detection head; an electric push rod is fixedly installed on the middle of the side of the detection box outer surface close to the fixing sleeve, and a fixing plate is fixedly installed on the output end of the electric push rod; a plurality of telescopic rods are fixedly installed on the side of the fixing plate, and the plurality of telescopic rods are fixedly connected with the plurality of extension plates respectively.

[0008] Preferably, a driving plate is rotatably connected in the detection box; a plurality of driving holes are arranged on the outer surface of the driving plate; a driving rod is fixedly installed on the side of the sliding block away from the fixing sleeve, and the driving rod extends into the driving hole; an electric motor is fixedly installed on the side of the detection box outer surface away from the detection head, and the output end of the electric motor is fixedly connected with the driving plate; and a controller is fixedly installed on the side of the detection box outer surface close to the electric motor.

[0009] Preferably, a handle is arranged on the side of the detection box outer surface close to the controller; a plurality of mounting sleeves are fixedly installed on the outer surface of the handle; a fixing hole is arranged on the left and right sides of the outer surface of the mounting sleeve; a plurality of mounting blocks are fixedly installed on the side of the detection box outer surface close to the controller, and the plurality of mounting blocks correspond to the plurality of mounting sleeves one by one; and a mounting hole is arranged on the left and right sides of the outer surface of the mounting block.

[0010] Preferably, the cross section of the driving hole is arc-shaped, and the number of the driving holes is the same as the number of the sliding blocks and the number of the driving rods.

[0011] Preferably, the size of the fixing hole is the same as the size of the mounting hole.

[0012] The utility model has the advantages of:

[0013] The utility model discloses a natural gas pipeline defect ultrasonic detection device, through setting up a plurality of detection heads, in actual work, the motor drives the driving plate to rotate, can make a plurality of detection heads close to each other or away from each other, a plurality of detection sleeves are sleeved on the outer surface of natural gas pipeline, a plurality of second universal wheels contact the outer wall of natural gas pipeline, can detect from the outer wall of natural gas pipe, and a plurality of detection heads are inserted into natural gas pipeline, a plurality of first universal wheels contact the inner wall of natural gas pipeline, thereby facilitating detection from the inner wall of natural gas pipeline. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only exemplary, and for those skilled in the art, other drawings can be derived from the provided drawings without creative labor.

[0015] The structures, proportions, sizes, etc. disclosed in the specification are only used to cooperate with the content disclosed in the specification, for understanding and reading by those skilled in the art, and are not used to limit the implementation conditions of the present application, so they do not have technical substantive significance. Any modification of structure, change of proportion relationship or adjustment of size, without affecting the effects and purposes that the present application can produce, should still fall within the scope of the technical content disclosed by the present application.

[0016] Figure 1 It is a whole structural diagram of the present application;

[0017] Figure 2 It is a detection head structure schematic diagram of the present application;

[0018] Figure 3 It is a fixed sleeve structure schematic diagram of the present application;

[0019] Figure 4 It is a detection box cross-section structure schematic diagram of the present application;

[0020] Figure 5 It is a grip rod structure schematic diagram of the present application.

[0021] In the figure: 1, detection box; 2, grip rod; 3, detection head; 301, ultrasonic probe; 302, telescopic sleeve; 303, spring; 304, connecting rod; 305, first universal wheel; 306, second universal wheel; 101, sliding groove; 102, sliding block; 103, fixed sleeve; 104, extension plate; 105, electric push rod; 106, fixed plate; 107, telescopic rod; 108, driving plate; 109, driving hole; 110, driving rod; 111, motor; 112, controller; 201, mounting block; 202, mounting sleeve; 203, mounting hole; 204, fixed hole. DETAILED DESCRIPTION

[0022] The following specific embodiments illustrate the embodiments of the present application, and those skilled in the art can easily understand other advantages and effects of the present application from the disclosed content of the specification. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] The utility model discloses a natural gas pipeline defect ultrasonic detection device, as shown in Figures 1-5 The outer surface of the detection head 3 is fixedly installed with two ultrasonic probes 301 on the upper side and the lower side, the ultrasonic probe 301 can emit ultrasonic waves to the natural gas pipeline, when encountering defects and part bottom, reflection waves are generated respectively, pulse waveforms are formed on the fluorescent screen, and the defect position and size are judged according to the pulse waveforms, which are used for detecting the defects of the natural gas pipeline.

[0024] The outer surface of the detection head 3 is fixedly installed with two ultrasonic probes 301 on the upper side and the lower side, the ultrasonic probe 301 can emit ultrasonic waves to the natural gas pipeline, when encountering defects and part bottom, reflection waves are generated respectively, pulse waveforms are formed on the fluorescent screen, and the defect position and size are judged according to the pulse waveforms, which are used for detecting the defects of the natural gas pipeline.

[0025] The outer surface of the detection head 3 is fixedly installed with two ultrasonic probes 301 on the upper side and the lower side, the ultrasonic probe 301 can emit ultrasonic waves to the natural gas pipeline, when encountering defects and part bottom, reflection waves are generated respectively, pulse waveforms are formed on the fluorescent screen, and the defect position and size are judged according to the pulse waveforms, which are used for detecting the defects of the natural gas pipeline.

[0026] The outer surface of the detection head 3 is fixedly installed with two ultrasonic probes 301 on the upper side and the lower side, the ultrasonic probe 301 can emit ultrasonic waves to the natural gas pipeline, when encountering defects and part bottom, reflection waves are generated respectively, pulse waveforms are formed on the fluorescent screen, and the defect position and size are judged according to the pulse waveforms, which are used for detecting the defects of the natural gas pipeline.

[0027] The outer surface of the detection head 3 is fixedly installed with two ultrasonic probes 301 on the upper side and the lower side, the ultrasonic probe 301 can emit ultrasonic waves to the natural gas pipeline, when encountering defects and part bottom, reflection waves are generated respectively, pulse waveforms are formed on the fluorescent screen, and the defect position and size are judged according to the pulse waveforms, which are used for detecting the defects of the natural gas pipeline.

[0028] The extension plate 104 is fixedly connected to the detection head 3 at one end outside the fixed sleeve 103. When the extension plate 104 moves, the detection head 3 is driven to move, so that the detection head 3 is pushed to move during the detection process.

[0029] The electric push rod 105 is fixedly installed on the middle of one side of the outer surface of the detection box 1. The output end of the electric push rod 105 is fixedly installed with the fixed plate 106. The side surface of the fixed plate 106 is fixedly installed with a plurality of telescopic rods 107. The plurality of telescopic rods 107 are respectively fixedly connected to the plurality of extension plates 104. When the electric push rod 105 pushes the fixed plate 106 to move, the plurality of telescopic rods 107 can drive the plurality of extension plates 104 to move.

[0030] The driving plate 108 is rotatably connected inside the detection box 1. The outer surface of the driving plate 108 is provided with a plurality of driving holes 109. The driving rod 110 is fixedly installed on the side away from the fixed sleeve 103 of the sliding block 102. The driving rod 110 extends into the driving hole 109. When the driving plate 108 rotates, the plurality of driving rods 110 push the plurality of sliding blocks 102 to move along the sliding groove 101.

[0031] The cross section of the driving hole 109 is arc-shaped. The number of the driving hole 109 is the same as the number of the sliding block 102 and the number of the driving rod 110.

[0032] The motor 111 is fixedly installed on the side away from the detection head 3 of the outer surface of the detection box 1. The output end of the motor 111 is fixedly connected to the driving plate 108. The controller 112 is fixedly installed on one side of the outer surface of the detection box 1. The pulse waveform can be directly observed through the fluorescent screen on the controller 112 to determine the defect position and size.

[0033] The outer surface of the detection box 1 located at one side of the controller 112 is provided with a handle 2, which can be held by the staff during detection, a plurality of mounting sleeves 202 are fixedly installed on the outer surface of the handle 2, and a plurality of fixing holes 204 are formed in the left and right sides of the outer surface of the mounting sleeve 202, a plurality of mounting blocks 201 are fixedly installed on the outer surface of the detection box 1 located at one side of the controller 112, and the plurality of mounting blocks 201 correspond to the plurality of mounting sleeves 202 one by one, a plurality of mounting holes 203 are formed in the left and right sides of the outer surface of the mounting block 201, the size of the fixing hole 204 is the same as the size of the mounting hole 203, the plurality of mounting sleeves 202 are sleeved on the outer surface of the plurality of mounting blocks 201, the mounting hole 203 coincides with the fixing hole 204, then the bolt is inserted, the mounting sleeve 202 and the mounting block 201 are connected, so that the handle 2 and the detection box 1 are assembled or disassembled, so that they are disassembled during transportation, and the occupied space is reduced.

[0034] The working principle of the utility model is as follows: the plurality of mounting sleeves 202 are sleeved on the outer surface of the plurality of mounting blocks 201, the mounting hole 203 coincides with the fixing hole 204, then the bolt is inserted, the mounting sleeve 202 and the mounting block 201 are connected, so that the handle 2 and the detection box 1 are assembled, then according to the size of the natural gas pipeline, the motor 111 drives the driving plate 108 to rotate, when the driving plate 108 rotates, the plurality of driving rods 110 push the plurality of sliding blocks 102 to move along the sliding groove 101, so that the plurality of detection heads 3 are close to each other or away from each other, when detection is needed from the outer wall of the natural gas pipeline, the plurality of detection heads 3 are sleeved on the outside of the natural gas pipeline, the plurality of second universal wheels 306 are in contact with the outer wall of the natural gas pipeline, then the ultrasonic probe 301 located on the lower side of the outer surface of the detection head 3 emits ultrasonic waves for detection, when detection is needed from the inner wall of the natural gas pipeline, the plurality of detection heads 3 are inserted into the natural gas pipeline, the plurality of first universal wheels 305 are in contact with the inner wall of the natural gas pipeline, and the ultrasonic probe 301 located on the upper side of the outer surface of the detection head 3 emits ultrasonic waves for detection.

[0035] Although the utility model has been described in detail above with general description and specific embodiments, some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, these modifications or improvements made on the basis of not deviating from the spirit of the utility model, all belong to the scope of protection required by the utility model.

Claims

1. A natural gas pipeline defect ultrasonic testing device, comprising a detection box (1) and a plurality of detection heads (3) arranged on one side of the outer surface of the detection box (1), characterized in that: The outer surface of the detection head (3) is fixedly installed with two ultrasonic probes (301) on both sides, which is used for detecting the defects of the natural gas pipeline, the lower side of the outer surface of the detection head (3) is rotatably connected with the second universal wheel (306), the upper side of the outer surface of the detection head (3) is fixedly installed with the telescopic sleeve (302), and the inner bottom surface of the telescopic sleeve (302) is fixedly installed with the spring (303), the inside of the telescopic sleeve (302) is slidably connected with the connecting rod (304), and the connecting rod (304) is located in the telescopic sleeve (302), the remaining part of the connecting rod (304) is located outside the telescopic sleeve (302), the spring (303) is fixedly connected with one end of the connecting rod (304) located in the telescopic sleeve (302), and the first universal wheel (305) is rotatably connected with one end of the connecting rod (304) extending to the outside of the telescopic sleeve (302).

2. The natural gas pipeline defect ultrasonic testing device according to claim 1, characterized in that: The outer surface of the detection box (1) is provided with a plurality of sliding grooves (101) near the detection head (3), and the inside of the sliding groove (101) is slidably connected with the sliding block (102), the side of the sliding block (102) close to the detection head (3) is fixedly installed with the fixed sleeve (103), the inside of the fixed sleeve (103) is slidably connected with the extension plate (104), and a part of the extension plate (104) is located in the fixed sleeve (103), the remaining part of the extension plate (104) is located outside the fixed sleeve (103), one end of the extension plate (104) located outside the fixed sleeve (103) is fixedly connected with the detection head (3), the outer surface of the detection box (1) is fixedly installed with the electric push rod (105) on one side of the middle of the fixed sleeve (103), and the output end of the electric push rod (105) is fixedly installed with the fixed plate (106), the side of the fixed plate (106) is fixedly installed with a plurality of telescopic rods (107), and the plurality of telescopic rods (107) are fixedly connected with the plurality of extension plates (104) respectively.

3. The apparatus for detecting defects in a natural gas pipeline by ultrasonic waves according to claim 2, wherein: The inside of the detection box (1) is rotatably connected with the driving plate (108), the outer surface of the driving plate (108) is provided with a plurality of driving holes (109) on one side, the side of the sliding block (102) away from the fixed sleeve (103) is fixedly installed with the driving rod (110), and the driving rod (110) extends into the driving hole (109), the outer surface of the detection box (1) is fixedly installed with the motor (111) away from the detection head (3), and the output end of the motor (111) is fixedly connected with the driving plate (108), the outer surface of the detection box (1) is fixedly installed with the controller (112) on one side of the motor (111).

4. The apparatus for detecting defects in a natural gas pipeline according to claim 3, wherein: The outer surface of the detection box (1) is provided with a handle (2) on one side of the controller (112), a plurality of mounting sleeves (202) are fixedly installed on one side of the outer surface of the handle (2), a fixing hole (204) is formed on the left and right sides of the outer surface of the mounting sleeve (202), a plurality of mounting blocks (201) are fixedly installed on one side of the outer surface of the detection box (1), and the plurality of mounting blocks (201) correspond to the plurality of mounting sleeves (202) one by one, and mounting holes (203) are formed on the left and right sides of the outer surface of the mounting block (201).

5. The apparatus for detecting defects in a natural gas pipeline according to claim 3, wherein: The cross-sectional shape of the driving hole (109) is arc-shaped, and the number of the driving hole (109) is the same as the number of the sliding block (102) and the number of the driving rod (110).

6. The apparatus for detecting defects in a natural gas pipeline by ultrasonic waves according to claim 4, wherein: The size of the fixing hole (204) is the same as the size of the mounting hole (203).

Images