Steel pipe inner diameter detection device with adjustable limiting structure

Abstract

The utility model discloses a steel pipe inner diameter detection device with an adjustable limiting structure, which relates to the technical field of pipeline detection devices and comprises a cylindrical main shell, and a limiting assembly with an adjustable extension range is arranged in the cylindrical main shell. According to the steel pipe inner diameter detection device with the adjustable limiting structure, by arranging a servo motor, a motor fixing plate, a ball screw, an optical axis, a screw sliding block, a hinge seat, an extension arm, a limiting groove, a driving wheel, a driving motor, a movable groove and a limiting pin shaft, when the steel pipe inner diameter detection device is used, the servo motor drives the ball screw to rotate, the ball screw drives the screw sliding block to move rightwards, and the screw sliding block is driven to move rightwards; the extension arm extends outwards by taking the limiting pin shaft as a fulcrum, the driving motor drives the driving wheel to continuously rotate through the belt pulley, and the equipment rapidly advances in the pipeline and can adapt to pipelines of different sizes, so that the laser distance measuring sensor can conveniently collect inner diameter information, and the functions of adjusting the size and adapting to the pipe diameter are realized; the problem that the device does not have the function of adjusting the size to adapt to the pipe diameter is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline detection device technical field, concretely is a kind of steel pipe inner diameter detection device with adjustable limiting structure. BACKGROUND

[0002] Oil casing is usually needed to be detected before going downhole, and the inner diameter of steel pipe is measured at the same time to avoid internal deformation or blockage.

[0003] Currently, the pipeline detection of oil casing is mostly operated by steel wire, metal top rod and other equipment, and the entry and exit of sensor rely on manual operation, which is troublesome, and the difficulty of measurement varies greatly for steel pipes of different sizes and lengths, with the greatest difficulty for small-diameter long pipes, which do not have the function of size adjustment to adapt to pipe diameter.

[0004] Now, a new type of steel pipe inner diameter detection device with adjustable limiting structure is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a steel pipe inner diameter detection device with adjustable limiting structure to solve the problem of not having the function of size adjustment to adapt to pipe diameter in the background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme: a steel pipe inner diameter detection device with adjustable limiting structure, comprising a cylindrical main shell, a side shell is fixedly connected to the right side of the cylindrical main shell, a controller is fixedly connected to the top end inside the side shell, a lithium battery is fixedly connected to the bottom end inside the side shell, a sensor outer cover is fixedly connected to the left side of the cylindrical main shell, an annular groove is formed in the outer part of the sensor outer cover, a rubber anti-collision block is glued to the left side of the sensor outer cover, four groups of laser ranging sensors are installed inside the sensor outer cover, a rope ring is fixedly connected to the right side of the side shell, and a limiting assembly with adjustable extension range is arranged inside the cylindrical main shell.

[0007] The limiting assembly comprises a motor fixed plate, the motor fixed plate is fixedly connected to the right side inside the cylindrical main shell, a servo motor is installed on the right side of the motor fixed plate, a ball screw is movably connected between the cylindrical main shell and the motor fixed plate, four groups of optical axes are fixedly connected between the cylindrical main shell and the motor fixed plate, a screw rod slider is sleeved on the outside of the ball screw and the optical axis, four groups of hinged seats are welded on the outside of the screw rod slider, an extension arm is hinged inside the hinged seat, a limiting groove is formed in the inside of the extension arm, a driving wheel is movably connected to the end of the extension arm, a driving motor is installed inside the extension arm, eight groups of movable grooves are formed in the outside of the cylindrical main shell, and a limiting pin shaft is fixedly connected inside the movable groove.

[0008] As a further technical scheme of the utility model, the output end of the servo motor is fixedly connected with the right side of the ball screw, the thread outside the ball screw is matched with the thread inside the screw block, and the screw block can slide left and right along the outside of the ball screw and the optical axis.

[0009] As a further technical scheme of the utility model, the position and size of the limiting slot and the limiting pin shaft are corresponding, and the limiting pin shaft penetrates the inside of the limiting slot.

[0010] As a further technical scheme of the utility model, the output end of the driving motor is connected with the driving wheel through a belt pulley, and the servo motor, the driving motor and the controller are electrically connected.

[0011] As a further technical scheme of the utility model, the laser ranging sensors are circumferentially distributed, the rubber anti-collision blocks are elastic, and the laser ranging sensors and the controller are electrically connected.

[0012] As a further technical scheme of the utility model, the outer diameters of the cylindrical main shell and the side shell are the same, and the horizontal center lines of the cylindrical main shell, the side shell and the rope hanging ring are coincident.

[0013] Compared with the prior art, the steel pipe inner diameter detection device with the adjustable limiting structure has the advantages that it not only realizes the function of size adjustment and pipe diameter adaptation, but also realizes the functions of front end collision prevention and rope hanging.

[0014] (1) By setting the servo motor, the motor fixing plate, the ball screw, the optical axis, the screw block, the hinged seat, the extension arm, the limiting slot, the driving wheel, the driving motor, the movable slot and the limiting pin shaft, when in use, the device is placed at the pipe opening of the pipe to be measured, the servo motor is started, the servo motor drives the ball screw to rotate, the ball screw drives the screw block to move right, the extension arm is extended outward with the limiting pin shaft as the fulcrum, and eight driving wheels are attached to the inner wall of the pipe, the driving motor drives the driving wheel to rotate continuously through the belt pulley, and the device moves quickly in the pipe, so that the device can adapt to pipes of different sizes, the laser ranging sensor can collect the inner diameter information conveniently, and the function of size adjustment and pipe diameter adaptation is realized.

[0015] (2) By setting the sensor outer cover, the annular groove, the rubber anti-collision block and the laser ranging sensor, when in use, the driving motor drives the driving wheel to rotate continuously through the belt pulley, the device moves in the pipe, four laser ranging sensors measure the inner wall of the pipe, the annular groove on the sensor outer cover can make the laser ranging sensor be in a concave position and not be easily damaged by collision, and the rubber anti-collision block can protect the sensor outer cover and avoid front end collision, so that the function of front end collision prevention is realized.

[0016] (3) through the setting has the rope hanging ring, the device before starting, the rope is bound in the rope hanging ring, the later recovery can be pulled outwards through the rope, also can be convenient subsequent pipe, realize the function of convenient hanging rope. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the front view sectional structure schematic diagram of the utility model;

[0018] Figure 2 It is the side view structure schematic diagram of the utility model's screw rod sliding block;

[0019] Figure 3 It is the utility model's Figure 2 It is the local section enlarged structure schematic diagram of A place in the middle;

[0020] Figure 4 It is the extension arm front view enlarged structure schematic diagram of the utility model;

[0021] Figure 5 It is the cylindrical main casing front view structure schematic diagram of the utility model.

[0022] In the drawing: 1, cylindrical main casing;2, servo motor;3, motor fixed plate;4, ball screw;5, optical axis;6, screw rod sliding block;7, hinged seat;8, extension arm;9, limit slot;10, drive wheel;11, drive motor;12, movable slot;13, limit pin;14, sensor outer shell;15, annular groove;16, rubber anti-collision block;17, laser ranging sensor;18, side edge casing;19, controller;20, rope hanging ring;21, lithium battery. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Embodiment: please refer to Figures 1-5 A steel pipe inner diameter detection device with adjustable limiting structure, including cylindrical main casing 1, the right side of cylindrical main casing 1 is fixedly connected with side edge casing 18, the top end in the inside of side edge casing 18 is fixedly connected with controller 19, the bottom end in the inside of side edge casing 18 is fixedly connected with lithium battery 21, the inside of cylindrical main casing 1 is provided with the limiting assembly of adjustable extension amplitude;

[0025] Please refer to Figures 1-5The steel pipe inner diameter detection device with an adjustable limiting structure further comprises a limiting assembly, the limiting assembly comprises a motor fixing plate 3 fixedly connected to the right side of the cylindrical main shell 1, a servo motor 2 installed on the right side of the motor fixing plate 3, a ball screw 4 movably connected between the cylindrical main shell 1 and the motor fixing plate 3, four groups of light shafts 5 fixedly connected between the cylindrical main shell 1 and the motor fixing plate 3, a screw rod sliding block 6 sleeved on the outside of the ball screw 4 and the light shaft 5, four groups of hinged seats 7 welded on the outside of the screw rod sliding block 6, an extension arm 8 hingedly connected to the inside of the hinged seat 7, a limiting groove 9 formed in the inside of the extension arm 8, a driving wheel 10 movably connected to the end of the extension arm 8, and a driving motor 11 installed in the inside of the extension arm 8, and eight groups of movable grooves 12 formed on the outside of the cylindrical main shell 1 and a limiting pin shaft 13 fixedly connected to the inside of the movable groove 12.

[0026] The output end of the servo motor 2 is fixedly connected to the right side of the ball screw 4, the threads on the outside of the ball screw 4 are matched with the threads in the inside of the screw rod sliding block 6, the screw rod sliding block 6 can slide left and right along the outside of the ball screw 4 and the light shaft 5, the position size of the limiting groove 9 corresponds to that of the limiting pin shaft 13, the limiting pin shaft 13 penetrates the inside of the limiting groove 9, the output end of the driving motor 11 is connected to the driving wheel 10 through a belt pulley, and the servo motor 2, the driving motor 11 and the controller 19 are electrically connected.

[0027] Specifically, as shown in Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 , the servo motor 2 drives the ball screw 4 to rotate, the ball screw 4 drives the screw rod sliding block 6 to move right, and the extension arm 8 extends outward with the limiting pin shaft 13 as the fulcrum until the eight groups of driving wheels 10 are attached to the inner wall of the pipeline, the driving motor 11 drives the driving wheel 10 to continuously rotate through the belt pulley, the device quickly travels in the pipeline, can adapt to pipelines of different sizes, facilitates the laser ranging sensor 17 to collect the inner diameter information, and the servo motor 2, the driving motor 11 and the controller 19 are electrically connected. This technology is the prior art, and thus will not be described in detail.

[0028] The left side of the cylindrical main shell 1 is fixedly connected to a sensor outer cover 14, the outside of the sensor outer cover 14 is provided with an annular groove 15, the left side of the sensor outer cover 14 is glued with a rubber anti-collision block 16, the inside of the sensor outer cover 14 is installed with four groups of laser ranging sensors 17, the laser ranging sensors 17 are distributed in a circle, the rubber anti-collision block 16 is elastic, and the laser ranging sensors 17 and the controller 19 are electrically connected.

[0029] Specifically, as shown in Figure 1As shown, four groups of laser ranging sensors 17 measure the inner wall of the pipeline, the annular groove 15 on the sensor outer shell 14 can make the laser ranging sensor 17 in the concave position, not easy to be damaged by knocking, the rubber bumper 16 can protect the sensor outer shell 14, avoid the front end impact, the laser ranging sensor 17, the controller 19 are electrically connected, this technology is prior art, so no longer tedious.

[0030] The right side of the side shell 18 is fixedly connected with a rope hanging ring 20, the outer diameters of the cylindrical main shell 1 and the side shell 18 are same, the horizontal center lines of the cylindrical main shell 1, the side shell 18 and the rope hanging ring 20 are coincided, and the rope is hung conveniently;

[0031] Specifically, as shown in Figure 1 and Figure 5 The rope is bound on the rope hanging ring 20, and can be pulled outwards through the rope in the later recovery.

[0032] Working principle: when the utility model is in use, first, the equipment is placed at the pipe opening of the pipeline to be measured, the servo motor 2 is started, the servo motor 2 drives the ball screw 4 to rotate, the ball screw 4 drives the screw block 6 to move right, and the extension arm 8 is extended outward with the limit pin shaft 13 as the fulcrum until the eight groups of driving wheels 10 are attached to the inner wall of the pipeline, the driving motor 11 drives the driving wheel 10 to rotate continuously through the belt pulley, and the equipment is rapidly advanced in the pipeline, can adapt to different sizes of the pipeline, and the laser ranging sensor 17 is convenient for collecting the inner diameter information. The driving motor 11 drives the driving wheel 10 to rotate continuously through the belt pulley, and the equipment is advanced in the pipeline, four groups of laser ranging sensors 17 measure the inner wall of the pipeline, the annular groove 15 on the sensor outer shell 14 can make the laser ranging sensor 17 in the concave position, not easy to be damaged by knocking, the rubber bumper 16 can protect the sensor outer shell 14, avoid the front end impact. The equipment is bound on the rope hanging ring 20 before starting, and can be pulled outwards through the rope in the later recovery, and the subsequent pipe can be conveniently passed.

[0033] For those skilled in the art, it is obvious that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model 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 utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A steel pipe inner diameter detection device with adjustable limiting structure, comprising a cylindrical main shell (1), characterized in that: The right side of the cylindrical main shell (1) is fixedly connected with a side shell (18), the top end of the inside of the side shell (18) is fixedly connected with a controller (19), the bottom end of the inside of the side shell (18) is fixedly connected with a lithium battery (21), the left side of the cylindrical main shell (1) is fixedly connected with a sensor cover shell (14), the outside of the sensor cover shell (14) is provided with an annular groove (15), the left side of the sensor cover shell (14) is glued with a rubber anti-collision block (16), the inside of the sensor cover shell (14) is provided with four groups of laser ranging sensors (17), the right side of the side shell (18) is fixedly connected with a rope hanging ring (20), the inside of the cylindrical main shell (1) is provided with a limiting assembly with adjustable extension range. The limiting assembly comprises a motor fixed plate (3), the motor fixed plate (3) is fixedly connected to the right side of the inside of the cylindrical main shell (1), the right side of the motor fixed plate (3) is provided with a servo motor (2), the cylindrical main shell (1) and the motor fixed plate (3) are movably connected with a ball screw (4), the cylindrical main shell (1) and the motor fixed plate (3) are fixedly connected with four groups of optical axes (5), the outside of the ball screw (4) and the optical axis (5) is sleeved with a screw rod sliding block (6), the outside of the screw rod sliding block (6) is welded with four groups of hinged seats (7), the inside of the hinged seat (7) is hinged with an extension arm (8), the inside of the extension arm (8) is provided with a limiting groove (9), the end of the extension arm (8) is movably connected with a drive wheel (10), the inside of the extension arm (8) is provided with a drive motor (11), the outside of the cylindrical main shell (1) is provided with eight groups of movable grooves (12), the inside of the movable groove (12) is fixedly connected with a limiting pin shaft (13).

2. The steel pipe inner diameter detection device with adjustable limiting structure according to claim 1, characterized in that: The output end of the servo motor (2) is fixedly connected with the right side of the ball screw (4), the threads outside the ball screw (4) and the threads inside the screw rod sliding block (6) are consistent, and the screw rod sliding block (6) can slide left and right along the outside of the ball screw (4) and the optical axis (5).

3. The steel pipe inner diameter detection device with adjustable limiting structure according to claim 1, characterized in that: The position and size of the limiting groove (9) and the limiting pin shaft (13) correspond to each other, and the limiting pin shaft (13) penetrates the inside of the limiting groove (9).

4. The steel pipe inner diameter detection device with adjustable limiting structure according to claim 1, characterized in that: The output end of the drive motor (11) is connected with the drive wheel (10) through a belt pulley, and the servo motor (2), the drive motor (11) and the controller (19) are electrically connected.

5. The steel pipe inner diameter detection device with adjustable limiting structure according to claim 1, characterized in that: The laser ranging sensors (17) are distributed in a circle, the rubber anti-collision block (16) is elastic, and the laser ranging sensors (17) and the controller (19) are electrically connected.

6. The steel pipe inner diameter detection device with adjustable limiting structure according to claim 1, characterized in that: The outer diameters of the cylindrical main shell (1) and the side shell (18) are the same, and the horizontal center lines of the cylindrical main shell (1), the side shell (18) and the rope hanging ring (20) coincide.

Images