Pipe quality inspection device for PPR pipe production

Abstract

The invention belongs to the technical field of pipe detection equipment, and particularly relates to a PPR pipe production pipe quality inspection device which comprises a handle shell, a probe device, a detection device, a caliper device and an adjusting device. A storage battery and a control module are arranged in an inner cavity of the handle shell, a control panel is arranged on the top face of the handle shell, and the control panel comprises a display screen and control buttons. A telescopic motor connected with the probe device is also arranged in the inner cavity of the handle shell; the probe device comprises a mounting cylinder, a lamplight ring and a connecting ring, the connecting ring is arranged at one end of the mounting cylinder, and the lamplight ring is arranged at one end of the mounting cylinder close to the connecting ring; the device does not need to depend on large-scale detection equipment, and can be applied to various scenes such as production field sampling inspection and real-time online detection. Key quality indexes such as light transmission uniformity, crack defects, wall thickness uniformity and outer diameter of the PPR pipe are fully covered, the method has the remarkable advantages of being convenient to operate, efficient in detection, wide in adaptability and controllable in cost, and the quality control requirements of PPR pipe production enterprises can be effectively met.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of pipe detection equipment, in particular to a pipe quality inspection device for PPR pipe production. BACKGROUND

[0002] PPR pipe is a core material for building water supply and drainage and heating systems, and the quality of the PPR pipe directly affects the service life and safety performance of the system, and the outer diameter size precision, inner wall integrity, outer wall light transmittance and sound wave conduction characteristics of the pipe are key indicators for determining the quality.

[0003] The existing large detection equipment is large in size and heavy in weight and needs to be fixed in a laboratory or a detection station and cannot be moved to the production line for real-time detection, and the small handheld detection tool has single function and can only realize single dimension detection, for example, only the size pipe diameter can be measured, and if other indicators are measured, the equipment investment cost and operation complexity need to be increased, and if it is a small factory or quality inspection sampling inspection, the detection equipment cannot be separated for independent detection.

[0004] Therefore, a convenient and efficient quality inspection equipment is extremely important, and therefore the application provides a pipe quality inspection device for PPR pipe production. SUMMARY

[0005] The application aims to provide a pipe quality inspection device for PPR pipe production to solve the problems in the background.

[0006] To achieve the above-mentioned purpose, the application provides the following technical scheme: a pipe quality inspection device for PPR pipe production, comprising a handle shell, a probe device, a detection device, a caliper device and an adjusting device.

[0007] A battery and a control module are arranged in the inner cavity of the handle shell, a control panel is arranged on the top surface of the handle shell, and the control panel comprises a display screen and control buttons; a telescopic motor connected with the probe device is further arranged in the inner cavity of the handle shell.

[0008] The probe device comprises a mounting cylinder, a light ring and a connecting ring, the connecting ring is arranged at one end of the mounting cylinder, the light ring is arranged at the end of the mounting cylinder close to the connecting ring, a conical head is arranged at the end of the mounting cylinder away from the connecting ring, and a sound wave generator is arranged in the inner cavity of the conical head; three outwardly protruding supporting wheels are arranged on the outer wall of the mounting cylinder.

[0009] The detection device comprises a detection ring and detectors, the detectors are distributed on the detection ring, the detectors comprise a light transmittance detector and a sound wave detector, the detection device is sleeved on the outer side of the pipe, the probe device detects the inner wall of the pipe by using sound waves and light, and the detection device and the probe device are synchronously operated and monitor the light transmittance and sound wave change of the outer wall of the pipe.

[0010] The caliper device is installed at the position close to the butt joint of the handle shell, the adjusting devices are symmetrically arranged on the left and right outer walls of the handle shell, the adjusting device comprises a through-type screw motor and an adjusting screw rod, one end of the adjusting screw rod is connected to a detection ring, and the through-type screw motors on the two sides move synchronously.

[0011] Preferably, the outer end surface of the connecting ring is connected with the transmission end of the telescopic motor; the transmission end of the telescopic motor extends outward and is connected with the probe device; the probe device moves outward by using the telescopic motor.

[0012] Preferably, a light bulb of a diffused light type is arranged in the light ring; the light ring irradiates the inner wall of the pipe; the light ring is used for detecting the light transmittance and cracks; the outer wall of the conical head is uniformly provided with sound leakage holes; the sound leakage holes are used for detecting the uniformity or cracks of the inner wall of the pipe by using the characteristics of solid conduction sound waves.

[0013] Preferably, the wheel surface of the supporting wheel abuts against the inner wall of the pipe, and is used for assisting the movement of the probe device on the inner wall of the pipe; the three supporting wheels are uniformly distributed at an angle of 120°, so that the probe device is in a central position; the detection ring moves forward along the outer wall of the pipe synchronously with the probe device; the quality of the pipe is detected by using sound and light changes.

[0014] Preferably, the handle shell is provided with an outwardly protruding butt joint at the position close to the probe device; the butt joint is a rubber head; the transmission end of the telescopic motor extends outward through the butt joint; the probe device is accommodated in the butt joint when the telescopic motor is retracted; the rubber head is used as a protection component.

[0015] Preferably, the caliper device comprises two clamping rods, and the clamping rods are symmetrically arranged on the left and right sides of the handle shell; one of the clamping rods is movably arranged; a micro electric push rod is arranged in the handle shell; the transmission end of the micro electric push rod is fixed to the nearest clamping rod; the interval between the two clamping rods is adjusted by using the micro electric push rod.

[0016] The inner side of the clamping rod is provided with a patch type proximity sensor; the mechanical displacement of the clamping rod is converted into an electrical signal by using a linear encoder; the measurement value is directly output by a control panel after processing the electrical signal.

[0017] Preferably, the handle shell is provided with a mounting rib at the position close to the adjusting device; the mounting rib is provided with a through hole; the adjusting screw rod is arranged in the through hole; the mounting rib is used for protecting the adjusting screw rod from being exposed; the through-type screw motor and the telescopic motor move synchronously, so that the synchronous displacement of the probe device and the detection device is realized.

[0018] Compared with the prior art, the present application has the following beneficial effects:

[0019] The device is a handheld multifunctional quality inspection equipment designed for the production process of PPR pipe, which can realize production site sampling inspection, real-time online detection and other scene applications without relying on large-scale detection equipment. Through the internal and external synchronous detection of the probe device and the detection device, combined with the precise size measurement module, the device comprehensively covers the key quality indicators of PPR pipe such as light transmission uniformity, crack defect, wall thickness uniformity, outer diameter size, etc., has the advantages of convenient operation, efficient detection, wide adaptability and controllable cost, and can effectively meet the quality control needs of PPR pipe production enterprises.

[0020] Without changing the equipment, the detection of outer diameter size, inner wall crack / uniformity, outer wall light transmission rate / sonic conduction characteristics can be completed synchronously, the detection time of a single pipe is shortened to 1-2 minutes, the detection efficiency is improved by more than 400%, and the real-time sampling and batch detection requirements of production line are met.

[0021] Real-time acquisition of detection data of each module, synchronous display of size data and internal and external detection comparison curves on the control panel display screen, support for data storage and USB export, no need for manual data summary, realize the whole process closed loop of detection-data processing-result output-tracing, reduce manual operation error and data processing time.

[0022] Through integrated, precise, adaptive and practical design, the problems of low efficiency, poor precision and high cost of existing PPR pipe quality inspection technology are effectively solved, providing an efficient and low-cost solution for PPR pipe production quality control, which has significant industry application value and market promotion prospect. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a front view of the present application;

[0024] Figure 2 It is a front view of the present application;

[0025] Figure 3 It is a schematic view of the installation position of the probe device of the present application;

[0026] Figure 4 It is a top view of the present application;

[0027] Figure 5 It is a schematic view of the probe device of the present application.

[0028] In the figure: 1 handle shell, 1-1 butt joint, 1-2 control panel, 1-3 telescopic motor;

[0029] 2 probe device, 2-1 installation cylinder, 2-2 light ring, 2-3 connecting ring, 2-4 supporting wheel, 2-5 conical head;

[0030] 3 detection device, 3-1 detection ring, 3-2 detector;

[0031] 4 caliper device, 4-1 clamping rod;

[0032] 5 adjusting device, 5-1 through type screw motor, 5-2 mounting edge, 5-3 adjusting screw. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part 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 work fall within the scope of protection of the present application.

[0034] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0035] Embodiment:

[0036] Please refer to Figures 1-5 The present application provides the following technical solutions: a pipe quality inspection device for PPR pipe production, comprising a handle shell 1, a probe device 2, a detection device 3, a caliper device 4 and an adjusting device 5.

[0037] A battery and a control module are arranged in the inner cavity of the handle shell 1, and a control panel 1-2 is arranged on the top surface of the handle shell 1, the control panel 1-2 comprising a display screen and control buttons;

[0038] A telescopic motor 1-3 is further arranged in the inner cavity of the handle shell 1, the transmission end of the telescopic motor 1-3 extending outward and being connected with the probe device 2, and the probe device 2 moving outward by the telescopic motor 1-3;

[0039] The probe device 2 comprises a mounting cylinder 2-1, a light ring 2-2 and a connecting ring 2-3, one end of the mounting cylinder 2-1 being provided with the connecting ring 2-3, and the outer end surface of the connecting ring 2-3 being connected with the transmission end of the telescopic motor 1-3;

[0040] The end of the mounting cylinder 2-1 close to the connecting ring 2-3 is provided with the light ring 2-2, and a diffused light bulb is arranged in the light ring 2-2, the light ring 2-2 irradiating the inner wall of the pipe for detecting the light transmittance and cracks;

[0041] The mounting cylinder 2-1 is provided with a tapered head 2-5 at one end away from the connecting ring 2-3, the outer wall of the tapered head 2-5 is uniformly provided with sound leakage holes, and the inner cavity of the tapered head 2-5 is provided with a sound wave generator; by utilizing the characteristics of solid conduction sound waves, the uniformity or cracks of the inner wall of the pipe are detected;

[0042] The outer wall of the mounting cylinder 2-1 is provided with three outwardly protruding supporting wheels 2-4, the wheel surface of the supporting wheel 2-4 abuts against the inner wall of the pipe, and the supporting wheel 2-4 is used to assist the movement of the probe device 2 on the inner wall of the pipe; the three supporting wheels 2-4 are uniformly distributed at an angle of 120°, ensuring that the probe device 2 is in a central position;

[0043] The detection device 3 is sleeved on the outer side of the pipe, so that the pipe is located between the detection device 3 and the probe device 2, the probe device 2 detects the inner wall of the pipe by using sound waves and light, the detection device 3 and the probe device 2 operate synchronously, and the light transmission and sound wave change of the outer wall of the pipe are monitored; if the light transmission and sound wave conduction of the outer wall of the pipe change, it is determined that the quality is not up to standard, the abnormal position of the pipe is repeatedly detected, rapid screening and determination are realized, and the use is very convenient;

[0044] The detection device 3 includes a detection ring 3-1 and a detector 3-2, the detector 3-2 is distributed on the detection ring 3-1 in a ring shape, and the detector 3-2 includes a light transmission rate detector and a sound wave detector; the detection ring 3-1 moves forward along the outer wall of the pipe synchronously with the probe device 2, the light transmission rate detector detects whether the light transmission of the pipe is uniform and whether there is a high light transmission position caused by cracks; the sound wave detector is used to detect whether the sound wave conduction changes, for example, if the sound wave is high at a certain position of the pipe, it may indicate that there is a non-uniformity or crack in the inner wall of the pipe;

[0045] The device of the scheme can be hand-held for detection, is suitable for sampling inspection or real-time detection in the production process, does not rely on large equipment, and has the advantages of high flexibility and low cost;

[0046] The handle shell 1 is provided with an outwardly protruding butt joint 1-1 at one end close to the probe device 2, the butt joint 1-1 is a rubber head, which can play a buffering role when the handle shell 1 frequently contacts the pipe; and the transmission end of the telescopic motor 1-3 penetrates the butt joint 1-1 and extends outward, the probe device 2 can be accommodated in the butt joint 1-1 when the telescopic motor 1-3 is retracted, and the rubber head is used as a protection component, which is convenient for overall storage and preservation;

[0047] The left and right outer walls of the handle shell 1 are symmetrically provided with adjusting devices 5, the adjusting device 5 includes a through-type screw rod motor 5-1 and an adjusting screw rod 5-3, one end of the adjusting screw rod 5-3 is connected to the detection ring 3-1, and the through-type screw rod motors 5-1 on the two sides move synchronously, thereby driving the detection ring 3-1 to displace along the outer wall of the pipe;

[0048] The handle shell 1 is provided with a mounting rib 5-2 near the adjusting device 5, a through hole is formed in the mounting rib 5-2, and an adjusting screw rod 5-3 is arranged in the through hole, the mounting rib is used for protecting the adjusting screw rod 5-3 from being exposed and preventing hand clamping; the through type screw rod motor 5-1 is synchronously operated with the telescopic motor 1-3, so that synchronous displacement of the probe device 2 and the detection device 3 is realized;

[0049] The handle shell 1 is provided with a caliper device 4 near the butt joint 1-1, the caliper device 4 comprises two clamping rods 4-1, and the clamping rods 4-1 are symmetrically arranged on the left and right sides of the handle shell 1, wherein one of the clamping rods 4-1 is movably arranged, a micro electric push rod is arranged in the handle shell 1, a transmission end of the micro electric push rod is fixed on the nearest clamping rod 4-1, and the interval between the two clamping rods 4-1 can be adjusted through the micro electric push rod, so that pipes with larger diameters can be adapted;

[0050] The inner side of the clamping rod 4-1 is provided with a patch type proximity sensor, and the micro electric push rod stops pushing when the proximity sensor is close to the outer wall of the pipe;

[0051] The caliper device 4 converts the mechanical displacement of the clamping rod 4-1 into an electrical signal through a linear encoder, and the measurement value is directly output by the control panel 1-2 after circuit processing;

[0052] The above scheme can realize rapid detection of PPR pipes, and the handheld device is more flexible to use, is not limited by the installation site, and does not increase additional equipment;

[0053] The scheme can adapt to the detection of most pipes on the market by customizing different detection sizes.

[0054] The device is a handheld multifunctional quality inspection equipment designed for PPR pipe production process, which can realize production site sampling inspection, real-time online detection and other scene applications without relying on large-scale detection equipment. The device realizes synchronous detection of the inside and outside of the probe device and the detection device, combines with the precise size measurement module, and comprehensively covers the key quality indicators of PPR pipe such as light transmission uniformity, crack defect, wall thickness uniformity, outer diameter size, etc. The device has the advantages of convenient operation, efficient detection, wide adaptability and controllable cost, and can effectively meet the quality control needs of PPR pipe production enterprises.

[0055] The handle shell 1 is integrally injection molded by high-strength engineering plastic, the surface is treated with anti-slip texture, the grip feels comfortable, and has the characteristics of impact resistance, wear resistance and corrosion resistance, and is suitable for complex production workshop environment. The inner cavity is designed in sections, including the installation space of the battery, the control module, the telescopic motor 1-3 and the micro electric push rod, to ensure compact structure and good heat dissipation.

[0056] The built-in 12V rechargeable lithium battery has a capacity of ≥5000mAh, supports continuous operation for more than 8 hours, is equipped with a Type-C fast charging interface, and has a charging time of ≤2 hours. The control module uses an STM32 single-chip microcomputer as the main control chip, integrating signal acquisition, data processing, motor driving, display control, and other functions, with a response speed of ≤10ms and a detection accuracy error of ≤±0.01mm.

[0057] The light ring 2-2 adopts a ring-shaped PCB design, with 12 high-brightness LED diffused light bulbs built-in, a color temperature of 5000K natural light, a luminous power of 3W, and a light uniformity of ≥90%, covering the entire inner wall of the pipe. The light ring 2-2 is electrically connected to the control panel 1-2 and can automatically adjust the light intensity according to the pipe wall thickness, with an adjustment range of 30%-100%, ensuring the detection accuracy of the light transmittance;

[0058] The connecting ring 2-3 is made of stainless steel, with a locking washer at the connection to prevent it from falling off due to long-term vibration;

[0059] The detector 3-2 is evenly distributed in a ring shape with 8 detection units, 4 in each half ring. Each detection unit integrates a light transmittance detector and a sound wave detector, with high detection accuracy and fast response speed;

[0060] The light transmittance detector uses a photodiode sensor with a detection wavelength of 550nm, a light transmittance detection range of 0-100%, and a resolution of 0.1%, which can accurately identify abnormal light transmission areas caused by cracks or uneven wall thickness in the pipe;

[0061] The sound wave detector uses a piezoelectric sound wave sensor with a receiving frequency range of 20-50kHz and a sensitivity of ≥-60dB, which can capture the conducted sound waves emitted by the probe device sound wave generator and determine the pipe wall defects by analyzing the sound wave amplitude changes.

[0062] The displacement error between the detection ring 3-1 and the probe device 2 is ≤0.5mm. When the probe device moves, the detection ring follows synchronously, and data is collected every 1mm of movement. The control panel 1-2 displays the comparison curve of the internal and external detection data in real time. If there is an abnormal light transmittance or sound wave conduction, the audible and visual alarms will be triggered immediately, and the abnormal position error will be recorded within ≤1mm, which is convenient for the operator to review.

[0063] The caliper device 4 uses a high-precision linear encoder to collect the displacement data of the clamping rod 4-1. After processing by the control module, the measurement results are directly displayed on the control panel 1-2 screen. The support module in the handle shell 1 supports data storage and USB export functions;

[0064] The through-type screw motor 5-1 and the telescopic motor 1-3 are linked and controlled through a control module, and the moving speed can be adjusted through the control panel 1-2 to support manual control and automatic control in two modes, which is flexible and convenient to operate.

[0065] The basic principles and main features of the present application and the advantages of the present application are shown and described above, and it is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application; therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application, and any reference signs in the claims should not be considered as limiting the claims.

[0066] Working principle:

[0067] The device is a handheld multifunctional quality inspection equipment designed for the production process of PPR pipes, which can realize production site sampling inspection, real-time online detection and other scene applications without relying on large-scale detection equipment. Through the synchronous detection of the probe device and the detection device, combined with the precise size measurement module, the device can comprehensively cover the key quality indicators of PPR pipes such as light transmission uniformity, crack defects, wall thickness uniformity, and outer diameter size, and has the advantages of convenient operation, efficient detection, wide adaptability, and controllable cost, which can effectively meet the quality control needs of PPR pipe production enterprises.

[0068] The power and control core of the device is concentrated in the inner cavity of the handle shell 1, which provides stable support for the whole process detection. The built-in 12V rechargeable lithium battery has a capacity of ≥5000mAh, which provides power for the whole device and supports continuous work for more than 8 hours. The Type-C fast charging interface can realize fast charging within 2 hours, which meets the long-time sampling or real-time detection needs of the production site.

[0069] The control module with STM32 single-chip microcomputer as the core integrates four functions of signal acquisition, data processing, motor driving, and display control, with a response speed of ≤10ms and a detection accuracy error of ≤±0.01mm. The control module and the display screen and control buttons of the control panel 1-2 interact bidirectionally, receiving the instructions of the operator such as starting detection and adjusting speed, and feeding back the detection data and abnormal alarm to the display screen in real time to realize closed-loop control.

[0070] The caliper device 4 is used as a pipe outer diameter size detection module, and rapid size measurement is realized through self-adaptive clamping. When the operator aligns the device with the pipe to be detected, the control module starts the micro electric push rod in the handle shell 1 to drive the movable side clamping rod 4-1 to move. When the patch type proximity sensor on the inner side of the clamping rod 4-1 tightly abuts against the outer wall of the pipe, the sensor sends a signal to the control module, and the micro electric push rod immediately stops pushing, so as to ensure that the clamping force is moderate and abuts against the pipe surface.

[0071] The linear encoder built in the caliper device 4 converts the mechanical displacement of the clamping rod 4-1 into an electrical signal, which is processed by the control module and then directly output on the display screen of the control panel 1-2 to output the pipe outer diameter measurement value, while supporting data storage and USB export, so as to facilitate quality data tracing.

[0072] The probe device 2 is used as a pipe inner wall defect detection core, and detection is realized through light and sound waves. The control module starts the telescopic motor 1-3 to drive the probe device 2 to enter the pipe cavity along the axial direction of the pipe. At this time, the three support wheels 2-4 are uniformly distributed at an angle of 120° on the outer wall of the mounting cylinder 2-1, and the wheel surface abuts against the inner wall of the pipe, so as to ensure that the probe device 2 is always in the central position of the pipe cavity, and avoid detection errors caused by deviation.

[0073] When the probe device 2 moves, the light ring 2-2 close to one end of the connecting ring 2-3 of the mounting cylinder 2-1 is started synchronously. The 12 5000K natural light color high-brightness LED diffuse light bulbs on the annular PCB board emit light to the inner wall of the pipe.

[0074] The control module can automatically adapt the light intensity in the range of 30%-100% through the brightness adjustment module according to the pipe wall thickness, so as to ensure the detection accuracy of the light transmittance. If there is a crack or uneven wall thickness in the inner wall of the pipe, there will be a local high-transmittance area, which provides a basis for comparison for subsequent outer wall light transmittance detection.

[0075] The sound wave generator in the inner cavity of the conical head 2-5 synchronously emits a detection sound wave of 20-50 kHz, and the sound wave is conducted through the solid wall of the pipe. Due to the characteristics of solid-conducted sound waves, if there is a crack, depression or uneven thickness in the inner wall of the pipe, the sound wave transmission path will change.

[0076] The detection device 3 and the probe device 2 form a synchronous movement and cooperative detection mechanism, and the pipe quality is determined through data comparison. First, the detection ring 3-1 is sleeved on the outer side of the pipe, and its position is linked with the probe device 2 through the adjusting device 5. The through-type lead screw motor 5-1 on both sides of the handle shell 1 and the telescopic motor 1-3 are driven to run synchronously by the control module, which drives the adjusting lead screw 5-3 to push the detection ring 3-1 to move along the outer wall of the pipe, and the displacement error is ≤0.5 mm, so as to ensure that the detection ring and the probe device are always in the same detection section.

[0077] The plurality of detection units arranged annularly on the detection ring 3-1 can detect the local light transmittance of the pipe wall. The light transmittance detector can receive the light transmitted through the pipe wall by the light ring 2-2 of the probe device in real time. If the local light transmittance is detected to be abnormally high, the position of the crack or the uneven wall thickness can be accurately located in combination with the light irradiation area of the inner wall of the probe device 2.

[0078] Secondly, the piezoelectric acoustic sensor in each detection unit synchronously receives the acoustic wave conducted to the outer wall by the acoustic wave generator of the probe device 2. The control module analyzes the acoustic wave amplitude variation. If the acoustic wave amplitude of a certain area is abnormally high or low, it can be determined that there is a defect in the inner wall of the pipe at the position, such as a crack causing enhanced acoustic wave reflection or uneven wall thickness causing acoustic wave conduction attenuation.

[0079] The detection ring 3-1 moves 1 mm every time, and the data acquisition is completed once. The control module compares the light transmittance and acoustic wave detection data with the standard threshold value, and displays the comparison curve of the inner and outer detection data on the control panel 1-2. If the data exceeds the threshold value, the audible and visual alarm is triggered immediately, and the abnormal position is recorded. The operator can repeat the detection at the abnormal position to realize rapid screening and accurate determination.

[0080] The control panel 1-2 can switch the detection displacement mode. In the automatic mode, the through-type lead screw motor 5-1 and the telescopic motor 1-3 operate synchronously at the preset speed to realize automatic detection of the whole pipe. In the manual mode, the operator controls the motor start-stop and speed through the control button, which is suitable for local key detection.

[0081] The butt joint 1-1 of the handle shell 1 close to the probe device 2 is made of rubber material, which can buffer the contact between the device and the pipe to avoid collision damage. After the detection is completed, the telescopic motor 1-3 drives the probe device 2 to retract, so that the probe device can be completely stored in the butt joint 1-1, and a protective barrier is formed by the rubber material. At the same time, the adjusting screw rod 5-3 of the adjusting device 5 penetrates the through hole in the mounting edge 5-2 of the handle shell 1, avoiding the exposure of the screw rod, which can cause pinch or wear, and prolonging the service life of the device.

[0082] The whole working process does not need to rely on large equipment, and can be flexibly moved by the handheld design, which can meet various scenes such as sampling inspection and real-time detection in the production process, and can balance the detection efficiency and cost control, providing an efficient solution for PPR pipe quality control.

[0083] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A pipe quality inspection device for PPR pipe production, comprising a handle shell (1), a probe device (2), a detection device (3), a caliper device (4) and an adjusting device (5), characterized in that: The inner cavity of the handle shell (1) is provided with a battery and a control module, and the top surface of the handle shell (1) is provided with a control panel (1-2) including a display screen and control buttons; the inner cavity of the handle shell (1) is further provided with a telescopic motor (1-3) connected with the probe device (2); The probe device (2) includes a mounting cylinder (2-1), a light ring (2-2) and a connecting ring (2-3), one end of the mounting cylinder (2-1) is provided with the connecting ring (2-3), the end of the mounting cylinder (2-1) close to the connecting ring (2-3) is provided with the light ring (2-2), the end of the mounting cylinder (2-1) away from the connecting ring (2-3) is provided with a conical head (2-5), and the inner cavity of the conical head (2-5) is provided with a sound wave generator; the outer wall of the mounting cylinder (2-1) is provided with three outwardly protruding supporting wheels (2-4). The detection device (3) includes a detection ring (3-1) and detectors (3-2), the detectors (3-2) are distributed on the detection ring (3-1) in a ring shape, and the detectors (3-2) include light transmittance detectors and sound wave detectors, the detection device (3) is sleeved on the outer side of the pipe, the probe device (2) detects the inner wall of the pipe by sound waves and light, the detection device (3) operates synchronously with the probe device (2) and monitors the light transmittance and sound wave change of the outer wall of the pipe. The handle shell (1) is provided with a caliper device (4) near the butt joint (1-1), and the outer walls of the left and right sides of the handle shell (1) are symmetrically provided with adjusting devices (5), the adjusting device (5) includes a through-type screw rod motor (5-1) and an adjusting screw rod (5-3), one end of the adjusting screw rod (5-3) is connected to the detection ring (3-1), and the through-type screw rod motors (5-1) on the two sides move synchronously.

2. A pipe quality inspection device for PPR pipe production as claimed in claim 1, wherein: The outer end surface of the connecting ring (2-3) is connected with the transmission end of the telescopic motor (1-3); the transmission end of the telescopic motor (1-3) extends outward and is connected with the probe device (2), and the probe device (2) moves outward by the telescopic motor (1-3).

3. A pipe quality inspection device for PPR pipe production as claimed in claim 1, wherein: The light ring (2-2) is provided with a light scattering type illuminating bulb, the light ring (2-2) irradiates the inner wall of the pipe for detecting the light transmittance and cracks; the outer wall of the conical head (2-5) is uniformly provided with sound leakage holes, the uniformity or cracks of the inner wall of the pipe are detected by using the characteristics of solid conduction sound waves.

4. A pipe quality inspection device for PPR pipe production as claimed in claim 1, wherein: The wheel surface of the supporting wheel (2-4) abuts against the inner wall of the pipe for assisting the movement of the probe device (2) on the inner wall of the pipe; the three supporting wheels (2-4) are uniformly distributed at an angle of 120°, so that the probe device (2) is in a central position; the detection ring (3-1) moves forward along the outer wall of the pipe synchronously with the probe device (2), and the quality of the pipe is detected by sound and light changes.

5. A pipe quality inspection device for PPR pipe production as claimed in claim 1, wherein: The handle shell (1) is provided with an outwardly protruding butt joint (1-1) at one end close to the probe device (2), the butt joint (1-1) is a rubber head, and the transmission end of the telescopic motor (1-3) extends outward through the butt joint (1-1), the probe device (2) is accommodated in the butt joint (1-1) when the telescopic motor (1-3) is retracted, and the rubber head is used as a protection component.

6. A pipe quality inspection device for PPR pipe production as claimed in claim 1, wherein: The caliper device (4) comprises two clamping rods (4-1), and the clamping rods (4-1) are symmetrically arranged on the left and right sides of the handle shell (1), wherein one of the clamping rods (4-1) is movably arranged, and a micro electric push rod is arranged in the handle shell (1), and a transmission end of the micro electric push rod is fixed on the nearest clamping rod (4-1), and the interval between the two clamping rods (4-1) is adjusted through the micro electric push rod; A patch type proximity sensor is arranged on the inner side of the clamping rod (4-1); the caliper device (4) converts the mechanical displacement of the clamping rod (4-1) into an electrical signal through a linear encoder, and the measurement value is directly output by the control panel (1-2) after processing the electrical signal.

7. A pipe quality inspection device for PPR pipe production as claimed in claim 1, wherein: The handle shell (1) is provided with a mounting rib (5-2) near the adjusting device (5), the mounting rib (5-2) is provided with a through hole, and the adjusting screw rod (5-3) is arranged in the through hole, and the mounting rib is used for protecting the adjusting screw rod (5-3) from being exposed; the through-type screw rod motor (5-1) and the telescopic motor (1-3) are synchronously operated, thereby realizing the synchronous displacement of the probe device (2) and the detection device (3).

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