CN115352024A

CN115352024A - Pipe detection equipment and detection method

Info

Publication number: CN115352024A
Application number: CN202211009098.8A
Authority: CN
Inventors: 唐浩; 余超; 杜杰鹏
Original assignee: Sichuan Sichuang Borui Industrial Design Co ltd
Current assignee: Sichuan Sichuang Borui Industrial Design Co ltd
Priority date: 2022-08-23
Filing date: 2022-08-23
Publication date: 2022-11-18

Abstract

The invention discloses a pipe detection device and a detection method, which comprises a rack, and a feeding and discharging mechanism, a material moving mechanism, a detection mechanism and a jacking mechanism which are arranged on the rack, wherein the feeding and discharging mechanism is used for conveying a pipe to be detected to the material moving mechanism and conveying the pipe subjected to detection to the next link; the material moving mechanism is used for moving the pipe to be detected to different stations to be detected; the detection mechanism is used for measuring the weight, the length, the inner diameter, the outer diameter and the wall thickness of the pipe to be detected and judging whether the pipe is qualified or not; the jacking mechanism is used for taking the detected pipe down from the material moving mechanism and sending the pipe to a corresponding position according to a judgment result given by the detection mechanism. The invention can conveniently measure the weight, the length, the inner diameter, the outer diameter and the wall thickness of the pipe to be detected and perform unqualified spot check, can realize online or offline pipe detection or spot check or full check of the pipe, has flexible and various detection modes, is favorable for improving the working efficiency and reducing unnecessary waste of pipe transfer time.

Description

Pipe detection equipment and detection method

Technical Field

The invention relates to the technical field of pipe detection, in particular to pipe detection equipment and a detection method.

Background

In the production process of pipes, particularly extruded pipes, the weight, length, inner diameter, outer diameter and wall thickness of the pipes are important technical indexes of the extruded pipes, are also important bases for formulating and adjusting process parameters and optimizing production parameters, and have important significance for optimizing production, improving the working efficiency of the extruded pipes and controlling the quality of the pipes by accurately, quickly and effectively measuring the quality, the length, the inner diameter, the outer diameter and the wall thickness in real time.

In the existing production process of extruding pipes, the measurement of weight, length, inner and outer diameters and wall thickness is often manual measurement and record alone, a large amount of quality inspection personnel need to be equipped with, the work efficiency is low, and often real-time online measurement to the extruded pipes can not be realized, only can the spot check be carried out, and just when finding nonconforming in the spot check process, a large amount of nonconforming products have been produced, cause the economic loss that is difficult to retrieve, therefore, the urgent need for a weight that can detect pipes more efficiently, length, inner and outer diameters and wall thickness, in addition, online detection can also be realized, in time find nonconforming products and make adjustment rapidly, in order to reduce the production of nonconforming products, and the loss is reduced.

In addition, the existing method adopts detection equipment to measure the weight, length, inner diameter, outer diameter, wall thickness and other parameters of the pipe, when only single parameter can be basically measured, the measurement efficiency is not high, meanwhile, the measured paths of the qualified pipe and the unqualified pipe can possibly influence the rear-end pipe treatment, the free selection of online or offline detection cannot be realized, and the method is not compatible with the existing pipe processing workshop and has poor adaptability; moreover, the existing pipe measurement can only measure the pipe with larger pipe diameter, and aiming at the pipe with small pipe diameter, the measurement precision is lower because the measurement device can not extend into the pipe.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide a pipe detection device and a detection method, and aims to solve the problems that the existing pipe detection device cannot be compatible with a pipe processing workshop, cannot simultaneously measure parameters such as weight, length, inner diameter, outer diameter and wall thickness of a pipe, and has low measurement precision for a pipe with a small pipe diameter.

2. Technical scheme

In order to solve the problems, the invention adopts the following technical scheme:

a pipe detection device comprises a rack, and a feeding and discharging mechanism, a material moving mechanism, a detection mechanism and a jacking mechanism which are arranged on the rack, wherein the feeding and discharging mechanism is used for conveying a pipe to be detected to the material moving mechanism and conveying the pipe subjected to detection to the next link; the material moving mechanism is used for moving the pipe to be detected to different stations to be detected; the detection mechanism is used for measuring the weight, the length, the inner diameter, the outer diameter and the wall thickness of the pipe to be detected and judging whether the pipe is qualified or not; the jacking mechanism is used for taking the detected pipe down from the material moving mechanism and sending the pipe to a corresponding position according to a judgment result given by the detection mechanism.

Further, as a preferred technical scheme, the feeding and discharging mechanism comprises a feeding stop block, a pipe conveying inclined plane plate, a stop block cylinder, a pipe conveying plane plate, a traversing cylinder, a falling stop block, a pinch roller unit, a discharging driving wheel, a traversing push plate lifting cylinder, a cylinder slide rail and a falling stop block cylinder, the pipe conveying plane plate is fixedly connected with the pipe conveying inclined plane plate, the traversing push plate is positioned on the pipe conveying plane plate, the traversing cylinder is positioned below the pipe conveying plane plate, a strip-shaped through hole is formed in the pipe conveying plane plate, the telescopic end of the traversing cylinder is connected with the traversing push plate, the traversing cylinder can control the traversing push plate to move back and forth on the pipe conveying plane plate along the strip-shaped through hole, the traversing push plate lifting cylinder is fixed on the rack, and the traversing push plate lifting cylinder is fixedly connected with the traversing push plate, the transverse push plate lifting cylinder can adjust the distance between the transverse push plate and the pipe conveying plane plate, when the transverse push plate is positioned at the position closest to the pipe conveying inclined plane plate, the transverse push plate and the pipe conveying inclined plane plate form a conveying groove which is a conveying channel of the pipe, the feeding stop block is arranged right above the conveying groove, the feeding stop block is fixedly connected with a stop block cylinder fixed on the frame, the falling stop block is arranged at the outer side of the edge of the pipe conveying plane plate, the falling stop block cylinder is fixed on the frame at the outer side of the edge of the pipe conveying plane plate, the falling stop block is fixed at the telescopic end of the falling stop block cylinder, the falling stop block cylinder is used for adjusting the distance between the falling stop block and the edge of the pipe conveying plane plate, and the stop block cylinder is used for driving the feeding stop block to move up and down, the realization is to waiting to examine the interception of examining the tubular product in the transfer tank, and the sideslip cylinder is used for waiting to be intercepted to examine tubular product along tubular product conveying plane board propelling movement to tubular product conveying plane board edge, stops the crack department that the piece formed with whereabouts stop the tubular product card until examining tubular product card, and the whereabouts stops the piece cylinder and upwards pulls up the back with the whereabouts stop piece, waits to examine tubular product under the effect of self gravity in the vertical material moving mechanism that falls below, pinch roller unit and ejection of compact action wheel all set up in the frame, and pinch roller unit sets up in ejection of compact action wheel top, pinch roller unit includes pinch roller and pinch roller cylinder, the pinch roller cylinder is used for driving pinch roller up-and-down motion, ejection of compact action wheel links to each other with driving motor, pinch roller unit and ejection of compact action wheel are used for sending tubular product to next link.

Further, as a preferred technical scheme, the material moving mechanism comprises a servo motor, a speed reducing motor mounting plate, a connecting rod, a crank shaft, a cam mechanism fixing plate, a vertical linear guide rail, a horizontal linear guide rail, a transverse moving plate and a transverse moving fixing plate, wherein the speed reducing motor is mounted on the speed reducing motor mounting plate, the speed reducing motor mounting plate is fixed on the rack, the servo motor drives the speed reducing motor to rotate, the speed reducing motor, the connecting rod and the crank shaft are sequentially in transmission connection, the horizontal linear guide rail is fixed on the cam mechanism fixing plate, the vertical linear guide rail is arranged on the horizontal linear guide rail and can do horizontal linear motion along the horizontal linear guide rail, the transverse moving fixing plate is arranged on the vertical linear guide rail and can do up-and-down motion along the vertical linear guide rail, the transverse moving fixing plate is fixedly connected with the crank shaft, and the transverse moving plate is fixedly connected with the transverse moving fixing plate, and is provided with a plurality of bayonets for placing a pipe to be detected in the pipe transferring process.

Further, as preferred technical scheme, detection mechanism includes weighing unit, length measurement unit and interior outer diameter detecting element, weighing unit is used for acquireing the weight of waiting to examine the tubular product, length measurement unit is used for acquireing the length of waiting to examine the tubular product, interior outer diameter detecting element is used for acquireing the internal diameter, the external diameter and the wall thickness of waiting to examine the tubular product.

Further, as preferred technical scheme, include the weighing unit is including weighing V type groove, weighing sensor and weighing sensor fixed plate, weighing sensor is fixed in weighing V type groove below through the weighing sensor fixed plate, weighing V type groove is used for placing and waits to examine the tubular product.

Further, as preferred technical scheme, length measurement unit includes length measurement V type groove, length measurement baffle, length measurement cylinder, length measurement fixing base, length measurement linear guide and contact length measuring head, length measurement afterbody baffle, length measurement V type groove, length measurement fixing base and length measurement afterbody baffle are all fixed in on the frame, the length measurement cylinder is fixed in on the length measurement fixing base, length measurement linear guide installs on the length measurement fixing base, the length measurement baffle is installed on length measurement linear guide, and the length measurement baffle realizes fixed connection with the flexible end of length measurement cylinder, the contact length measuring head is installed on the length measurement fixing base, length measurement V type groove is used for placing the tubular product of waiting to examine.

Further, as a preferred technical scheme, the inner and outer diameter detection unit comprises a pushing mechanism, an inner and outer diameter detection measurement cavity, a rotating disc, a driving motor, a V-shaped clamping block, a clamping cylinder, a limiting block, a spring, a limiting block cylinder, a first high-precision distance measuring sensor, a second high-precision distance measuring sensor, a third high-precision distance measuring sensor, an inner diameter measuring rod and a rotating pin, wherein the pushing mechanism is arranged on the frame and used for pushing a transverse moving plate to convey a pipe to be detected to a detection point position, the inner and outer diameter detection measurement cavity is fixed on the rotating disc, the rotating disc is rotated through the driving motor, the V-shaped clamping block is used for clamping and fixing the pipe to be detected through the clamping cylinder, the clamping cylinder is fixed on the frame, the clamping cylinder is fixedly connected with the V-shaped clamping block, the V-shaped clamping block is arranged between the pushing mechanism and the inner and outer diameter detection measurement cavity, an opening which is convenient for the pipe to be detected to extend into is arranged on one side of the inner and outer diameter detection measurement cavities, the limiting block, the spring, the limiting block cylinder, the first high-precision distance measurement sensor, the second high-precision distance measurement sensor, the third high-precision distance measurement sensor, the inner diameter measurement rod and the rotating pin are arranged in the inner and outer diameter detection measurement cavities, the middle part of the inner diameter measurement rod is fixed at the central position of the inner and outer diameter detection measurement cavities through the rotating pin, the inner diameter measurement rod can rotate on the vertical plane by taking the rotating pin as an axis, the head part of the inner diameter measurement rod is provided with a ball body, the tail part of the inner diameter measurement rod is fixedly connected with the inner and outer diameter detection measurement cavities through the spring, the limiting block cylinder is fixed on the inner wall of the inner and outer diameter detection measurement cavities, the limiting block is fixed at the telescopic end of the limiting block cylinder, and the contact point of the limiting block and the inner diameter measurement rod is positioned between the rotating pin and the tail part of the inner diameter measurement rod, probes of the first high-precision distance measuring sensor and the second high-precision distance measuring sensor correspond to two detection points of the outer wall of the pipe to be detected respectively, and a probe of the third high-precision distance measuring sensor corresponds to a tail detection point of the inner diameter measuring rod.

Further, as an optimized technical scheme, the jacking mechanism comprises a qualified guide rod, a qualified V-shaped groove, an upper jacking cylinder mounting plate, a qualified pipe jacking cylinder, an unqualified guide rod, an unqualified inclined plate, an unqualified discharging plate, a feeding cylinder, a feeding plate and a pipe conveying inclined plate, the qualified pipe jacking cylinder and the unqualified pipe jacking cylinder are both mounted on the upper jacking cylinder mounting plate, the upper jacking cylinder mounting plate is mounted on the frame, the qualified V-shaped groove is fixedly connected with the qualified guide rod, the qualified guide rod is fixedly connected with the telescopic end of the qualified pipe jacking cylinder, the unqualified inclined plate is fixedly connected with the unqualified guide rod, the unqualified guide rod is fixedly connected with the telescopic end of the unqualified pipe jacking cylinder, the unqualified discharging plate is fixed on the frame, the feeding cylinder is arranged on the frame, and the feeding plate is fixed on the telescopic end of the feeding cylinder.

A pipe inspection method, comprising the steps of:

step 1: after a pipe to be detected is conveyed into the conveying groove through the conveying device, the stopping cylinder is started and enables the feeding stopping block to move downwards, the pipe to be detected is stopped, then the pipe to be detected is pushed to a gap between the pipe conveying plane plate and the falling stopping block along the pipe conveying plane plate by the transverse moving cylinder, the falling stopping block cylinder is started, the falling stopping block moves upwards, the gap between the pipe conveying plane plate and the falling stopping block is enlarged, the pipe to be detected vertically falls to a station to be detected under the action of self gravity, and the V-shaped groove is used for temporarily placing the pipe to be detected;

and 2, step: the transverse moving plate transmits the pipe to be detected at the receiving station to the weighing station, after the pipe to be detected is subjected to weight detection at the weighing station, the transverse moving plate transmits the pipe to be detected to the length measuring station, after the pipe to be detected is subjected to length measurement, the transverse moving plate transmits the pipe to be detected to the inner and outer diameter measuring stations to carry out inner and outer diameter and wall thickness measurement on the pipe to be detected, and after the inner and outer diameter and wall thickness measurement are finished, the transverse moving plate transmits the pipe to be detected to the qualified groove for temporary placement;

and 3, step 3: when the weight, the length, the inner and outer diameter sizes and the wall thickness of the pipe to be detected have certain differences with those of a standard pipe, judging that the pipe to be detected is an unqualified pipe, performing step 4, otherwise, judging that the pipe to be detected is a qualified pipe, and performing step 5;

and 4, step 4: when the pipe to be detected is an unqualified pipe, the unqualified pipe jacking cylinder jacks up the unqualified inclined plate, the unqualified pipe temporarily placed in the qualified tank is pushed out by the unqualified inclined plate, the jacked unqualified pipe is discharged along the unqualified inclined plate and the unqualified discharge plate,

and 5: when waiting to examine tubular product and being qualified tubular product, qualified tubular product jacking cylinder will be pushed up to flitch department on the qualification groove, and the material loading cylinder will go up the flitch and ejecting toward tubular product conveying inclined plane board direction, will qualified tubular product push away to the tubular product conveying inclined plane board from the qualification groove on, qualified tubular product relies on self gravity to slide to the conveying groove on tubular product conveying inclined plane board, and the qualified tubular product of accomplishing the detection promptly comes from the conveying groove and finally returns the conveying groove again.

Further, as a preferred technical scheme, in the step 2, the specific process of measuring the inner diameter, the outer diameter and the wall thickness of the pipe to be detected is as follows:

step 2-1: the limiting block cylinder pushes the limiting block to prop the inner diameter measuring rod, so that the inner diameter measuring rod is kept in a horizontal state;

step 2-2: the pipe to be detected is conveyed to an inner diameter and outer diameter measuring station by the transverse moving plate, the pipe orifice of the pipe to be detected on the inner diameter and outer diameter measuring station is pushed into an inner diameter and outer diameter detection measuring cavity by the pushing mechanism, at the moment, a straight line where the inner diameter measuring rod is located is just coincided with the axial lead of the pipe to be detected, and the pipe to be detected is clamped by the two V-shaped clamping blocks through the clamping cylinder;

step 2-3: the limiting block cylinder drives the limiting block to retract, the tail part of the inner diameter measuring rod is pulled by the spring, the head ball of the inner diameter measuring rod tilts and clings to the inner wall of the pipe to be detected, the first high-precision distance measuring sensor and the second high-precision distance measuring sensor respectively correspond to two measuring points on the outer wall of the pipe to be detected, and the third high-precision distance measuring sensor corresponds to a measuring point on the tail part of the inner diameter measuring rod;

step 2-4: the rotating disc starts to rotate under the action of the driving motor and drives the inner and outer diameter detection measuring cavities to rotate, the first high-precision distance measuring sensor and the second high-precision distance measuring sensor start to measure the surface distance of a pipe to be detected, meanwhile, the head sphere of the inner diameter measuring rod is tightly attached to the inner wall of the pipe to be detected and does circular motion along the inner wall, the fluctuation of the size of the inner wall of the pipe to be detected in the rotating process is transmitted to a tail measuring point by the head sphere of the inner diameter measuring rod through the lever principle, and the third high-precision distance measuring sensor measures through the tail measuring point of the inner diameter measuring rod;

step 2-5: after rotating for a circle, the data measured by the first high-precision distance measuring sensor and the second high-precision distance measuring sensor respectively correspond to a plane data graph through an algorithm, the two data graphs can be combined to measure the outer diameter value, the ovality, the eccentricity value and the fluctuation value of the pipe to be measured, and the inner diameter and the wall thickness of the pipe can be calculated through the algorithm by combining the data measured by the third high-precision distance measuring sensor.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) The invention adopts an innovative design, and can make the qualified pipes which are detected return to the conveying groove again by adding the pipe conveying plane plate, the falling blocking block, the transverse moving plate, the jacking mechanism, the feeding plate, the feeding cylinder and the like, so that a conveying channel for conveying the qualified pipes to the next link does not need to be additionally and independently designed, the subsequent pipe processing link is not influenced, the design is ingenious, the seamless connection with the subsequent pipe processing equipment at the rear end can be realized, the online or offline pipe detection can be realized, or the selective inspection or the full inspection of the pipes can be realized, the detection modes are flexible and various, the working efficiency can be improved, and the unnecessary waste of pipe transferring time can be reduced.

(2) According to the invention, through designing the transverse moving plate, the connecting rod, the crank shaft, the vertical linear guide rail, the horizontal linear guide rail and the like, the pipe to be detected is skillfully conveyed between detection stations, and the weight, the length, the inner diameter and the outer diameter of the pipe can be rapidly and efficiently measured on the same detection equipment.

(3) The invention can well solve the problems of inner and outer diameter and thickness detection of small-diameter pipes, and because the inner dimension of the small-diameter pipe is very small, the existing measurement mode can not install a high-precision distance measuring sensor in the pipe at all, so that the detection of the small-diameter pipe is limited, and the detection precision is generally not high.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a left side view of the present invention;

FIG. 3 is a right side view of the present invention;

FIG. 4 is a schematic structural view of a material moving mechanism according to the present invention;

FIG. 5 is a schematic view of the connection among the geared motor, the geared motor mounting plate, the connecting rod and the crank shaft according to the present invention;

FIG. 6 is a schematic view of the weighing cell of the present invention;

FIG. 7 is a schematic structural diagram of a length measuring unit according to the present invention;

FIG. 8 is a schematic structural diagram of an inner and outer diameter measuring unit according to the present invention;

FIG. 9 is a data model diagram obtained after the high precision distance measuring sensor of the present invention obtains measured data;

fig. 10 is a schematic structural view of a jacking mechanism of the present invention.

The reference numbers in the figures correspond to the names:

1. a feeding stop block, 2, a stop block cylinder, 3, a pipe conveying inclined plane plate, 4, a transverse moving cylinder, 5, a falling stop block, 6, a to-be-measured station groove, 7, a pinch roller unit, 8, a discharging driving wheel, 9, a frame, 10, a material moving mechanism, 11, a cam mechanism fixing plate, 12, a transverse moving fixing plate, 13, a transverse moving plate, 14, a vertical linear guide rail, 15, a crank shaft, 16, a connecting rod, 17, a speed reducer mounting plate, 18, a speed reducing motor, 19, a weighing unit, 20, a length measuring unit, 21, an inner diameter and outer diameter detecting unit, 22, a weighing sensor fixing plate, 23, a weighing sensor, 24, a weighing V-shaped groove, 25, a to-be-detected pipe, 26, a length measuring V-shaped groove, 27, a length measuring baffle, 28, a length measuring cylinder, 29, a length measuring fixing seat, 30, a length measuring linear guide rail, 31, a contact type length measuring head, 32, a material pushing mechanism, 33 and an inner diameter measuring rod, 34, an inner and outer diameter detection measurement cavity, 35, a clamping cylinder, 36, a rotating disc, 37, a driving motor, 38, a V-shaped clamping block, 39, a limiting block, 40, a spring, 41, a limiting block cylinder, 42, a first high-precision distance measuring sensor, 43, a second high-precision distance measuring sensor, 44, a third high-precision distance measuring sensor, 45, a rotating pin, 46, a qualified guide rod, 47, a qualified V-shaped groove, 48, an upper ejection cylinder mounting plate, 49, a qualified pipe jacking cylinder, 50, an unqualified pipe jacking cylinder, 51, an unqualified guide rod, 52, an unqualified inclined plate, 53, an unqualified discharge plate, 54, a pipe conveying inclined plate, 55, a feeding plate, 56, a feeding cylinder, 57, a horizontal linear guide rail, 58, a length measuring tail baffle, 59, a transverse push plate, 60, a transverse push plate lifting cylinder, 61, a cylinder slide rail, 62 and a falling blocking block cylinder, 63. the pipe to be tested V-shaped groove 64 is formed by temporarily placing the pipe in the V-shaped groove 71, the pinch roller 72, the pinch roller cylinder 131 and the bayonet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is to be understood that the embodiments described are merely exemplary embodiments, rather than exemplary embodiments, and that all other embodiments may be devised by those skilled in the art without departing from the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1-10, a pipe detecting apparatus shown in this embodiment includes a frame 9, and a feeding and discharging mechanism, a material moving mechanism, a detecting mechanism, and a jacking mechanism, which are disposed on the frame 9, wherein the feeding and discharging mechanism is configured to send a pipe to be detected to the material moving mechanism, and send the pipe that has been detected to a next link; the material moving mechanism is used for moving the pipe to be detected to different stations to be detected; the detection mechanism is used for measuring the weight, the length, the inner diameter, the outer diameter and the wall thickness of the pipe to be detected and judging whether the pipe is qualified or not; the jacking mechanism is used for taking the detected pipe down from the material moving mechanism and sending the pipe to a corresponding position according to a judgment result given by the detection mechanism.

Specifically, as shown in fig. 2 and 3, the feeding and discharging mechanism of this embodiment includes a feeding stop block 1, a pipe conveying inclined plane plate 54, a stop block cylinder 2, a pipe conveying plane plate 3, a traverse cylinder 4, a falling stop block 5, a pinch roller unit 7, a discharge driving wheel 8, a traverse push plate 59, a traverse push plate lifting cylinder 60, a cylinder slide rail 61, and a falling stop block cylinder 62, wherein the pipe conveying plane plate 3 is fixedly connected with the pipe conveying inclined plane plate 54, the traverse push plate 59 is located on the pipe conveying plane plate 3, the traverse cylinder 4 is located below the pipe conveying plane plate 3, a strip through opening is formed in the pipe conveying plane plate 3, a telescopic end of the traverse cylinder 4 is connected with the traverse push plate 59, and the traverse cylinder 4 can control the traverse push plate 59 to move back and forth on the pipe conveying plane plate 3 along the strip through opening, the traverse push plate lifting cylinder 60 is fixed on the rack 9, and the traverse push plate 60 is fixedly connected with the traverse push plate 59, the traverse push plate lifting cylinder 60 can adjust the distance between the traverse push plate 59 and the pipe conveying plane plate 3, when the traverse push plate 59 is located at the position closest to the pipe conveying plane plate 54, the position, the pipe conveying cylinder 62 is fixed on the frame 3, the pipe conveying cylinder 3, the pipe conveying groove 62 is formed at the edge of the pipe conveying cylinder 3, the feed stop block 1, the pipe conveying cylinder 62, the feed cylinder 3, the feed stop block cylinder is fixed at the edge, the edge of the pipe conveying cylinder 3, the feed conveying cylinder 4, stop a cylinder 2 and be used for the drive feeding and block 1 up-and-down motion, realize waiting to examine the interception of examining the tubular product in the transfer chute, sideslip cylinder 4 is used for waiting to be stopped to examine the tubular product and block 3 edges of piece along tubular product conveying plane board 3 propelling movement to tubular product conveying plane board, block the crack department that piece 5 formed until examining tubular product card at tubular product conveying plane board 3 and whereabouts, at this moment, the width of this crack is less than the external diameter of examining the tubular product, examine the tubular product and stop and do not fall in this crack department, block a cylinder 62 and block the piece 5 back of upwards pulling-up with falling when starting whereabouts, crack width grow, at this moment, examine in the material shifting mechanism that the tubular product fell to the below under the effect of self gravity, pinch roller unit 7 and ejection of compact action wheel 8 all set up in frame 9, and pinch roller unit 7 sets up in ejection of compact action wheel 8 top, pinch roller unit 7 includes pinch roller 71 and pinch roller cylinder 72, pinch roller cylinder 72 is used for driving pinch roller 71 up-and-down motion, ejection of compact action wheel 8 links to drive motor, ejection of compact action wheel 8 is used for delivering to next tubular product link.

In this embodiment, when a pipe to be inspected enters a conveying trough (the pipe conveying inclined plane plate 54 and the transverse moving push plate 59) through a front end conveying device, the feeding blocking block 1 moves downwards under the action of the feeding blocking block cylinder 2 to stop the pipe to be inspected in the conveying trough, then the transverse moving push plate lifting cylinder 60 is started and pulls up the transverse moving push plate 59, since a part of stress points before the pipe to be inspected is on the pipe conveying inclined plane plate 54, after the transverse moving push plate 59 is pulled up, the pipe to be inspected rolls from the direction of the lower side of the transverse moving push plate 59 close to the falling blocking block 5 under the action of self gravity, then the transverse moving push plate lifting cylinder 60 makes the transverse moving push plate 59 move downwards and starts the transverse moving cylinder 4, the transverse moving cylinder 4 drives the transverse moving push plate 59 to push the pipe to be inspected to a crack formed by the pipe conveying plane plate 3 and the falling blocking block 5 along the pipe conveying plane plate 3, at this time, since the width of the crack is smaller than the outer diameter of the pipe, the pipe stops at the crack and does not fall, the pipe to be inspected is started, the falling blocking block 62 and pulls up the falling block 5 to increase the width of the crack, and the crack is a vertical moving groove (i.e., the pipe to be inspected in a straight-vertical moving groove), and the vertical moving groove is a vertical moving mechanism to be inspected at this time, the crack is a vertical moving mechanism.

In this embodiment, the power supply of ejection of compact action wheel 8 is a servo motor, and after tubular product detected and finishes, drive ejection of compact action wheel 8 pivoted servo motor obtained the signal, began to rotate, and the pinch roller cylinder obtains the signal simultaneously, and is ejecting downwards, and pinch roller 71 descends and pushes down tubular product with ejection of compact action wheel 8 together, through frictional force, carries out the tubular product ejection of compact.

As shown in fig. 4 and 5, the material transferring mechanism of the present embodiment is designed as follows, specifically, the material transferring mechanism of the present embodiment includes a servo motor (not shown), a speed reducing motor 18, a speed reducing motor mounting plate 17, a connecting rod 16, a crank shaft 15, a cam mechanism fixing plate 11, a vertical linear guide rail 14, a horizontal linear guide rail 57, a traverse plate 13 and a traverse fixing plate 12, the speed reducing motor 18 is mounted on the speed reducing motor mounting plate 17, the speed reducing motor mounting plate 17 is fixed on the frame 9, the servo motor drives the speed reducing motor 18 to rotate, the speed reducing motor 18, the connecting rod 16 and the crank shaft 12 are sequentially in transmission connection, the horizontal linear guide rail 57 is fixed on the cam mechanism fixing plate 11, the vertical linear guide rail 14 is arranged on the horizontal linear guide rail 57 and can make horizontal linear motion along the horizontal linear guide rail 57, the traverse fixing plate 12 is arranged on the vertical linear guide rail 14 and can make up-and-down motion along the vertical linear guide rail 14, the traverse fixing plate 12 is fixedly connected with the crank shaft 15, the traverse plate 13 is fixedly connected with the traverse fixing plate 12, and the traverse plate 13 is provided with a plurality of bayonets for placing the pipe to be tested in the transferring process.

In this embodiment, the servo motor drives the connecting rod 16 and the crank shaft 15 to move through the reduction motor 18, and the traverse fixing plate 12 and the traverse plate 13 connected with the crank shaft 15 simultaneously generate displacements in the horizontal direction and the vertical direction, more specifically, the traverse plate 13 performs reciprocating motions in the vertical direction and the horizontal direction, so that the pipe to be detected can be conveyed between different detection stations. The pipe conveying mechanism is designed, and the transverse moving plate, the connecting rod, the crank shaft, the vertical linear guide rail, the horizontal linear guide rail and the like are used for ingeniously conveying pipes to be detected between detection stations, so that the quick and efficient measurement of the weight, the length, the inner diameter and the outer diameter of the pipes can be realized on the same detection equipment, the conventional detection equipment can only realize single-parameter detection, and the pipes are required to be conveyed to different detection equipment for realizing different-parameter detection.

The detection mechanism of this embodiment includes weighing unit 19, length measurement unit 20 and interior external diameter detecting element 21, and weighing unit 19 is used for acquireing the weight of examining the tubular product, and length measurement unit 20 is used for acquireing the length of examining the tubular product, and interior external diameter detecting element 21 is used for acquireing the internal diameter, external diameter and the wall thickness of examining the tubular product.

Specifically, as shown in fig. 6, the weighing unit 19 of this embodiment includes a weighing V-shaped groove 24, a weighing sensor 23 and a weighing sensor fixing plate 22, the weighing sensor 23 is fixed below the weighing V-shaped groove 24 through the weighing sensor fixing plate 22, the weighing V-shaped groove 24 is used for placing the pipe to be inspected, when the traverse plate 13 is to be inspected, the pipe to be inspected is placed in the weighing V-shaped groove 24, and the weighing sensor 23 is used for measuring and recording the weight of the pipe to be inspected.

As shown in fig. 7, the length measuring unit 20 of the present embodiment includes a length measuring V-shaped groove 26, a length measuring baffle 27, a length measuring cylinder 28, a length measuring fixing seat 29, a length measuring linear guide 30, a contact length measuring head 31, and a length measuring tail baffle 58, where the length measuring V-shaped groove 26, the length measuring fixing seat 29, and the length measuring tail baffle 58 are all fixed on the frame 9, the length measuring cylinder 28 is fixed on the length measuring fixing seat 29, the length measuring linear guide 30 is installed on the length measuring fixing seat 29, the length measuring baffle 27 is installed on the length measuring linear guide 30, and the length measuring baffle 27 is fixedly connected to the telescopic end of the length measuring cylinder 28, the contact length measuring head 31 is installed on the length measuring fixing seat 29, and the length measuring V-shaped groove 26 is used for placing a pipe to be tested.

In this embodiment, the measurement principle of the measurement unit 20 is as follows: the contact-type length measuring head 31 is telescopic, has a certain telescopic distance and can feed back a distance signal to the system; the length measuring cylinder is a micro-force cylinder which can push the pipe, but the pipe is continuously pushed after the pipe is limited, and the pipe cannot be bent; before measuring the pipe, firstly, the distance of the contact type length measuring head is calibrated at zero point by using a standard pipe (standard length L), and the calibration method comprises the following steps: the tail of the standard pipe is tightly attached to the length measurement tail baffle, and the front end of the contact type length measurement head keeps a fixed distance L1 (length measurement error range) with the head of the standard pipe and is positioned at the front end of the standard pipe. The pipe is transferred into a length measuring V-shaped groove 26 of a measuring process after the weighing process, a length measuring cylinder 28 obtains a signal, a length measuring baffle 27 is pushed to contact the pipe to be detected, the pipe to be detected moves in the length measuring V-shaped groove 26, after the pipe moves for a certain distance, the length measuring baffle 27 is in contact with the front end of a contact type length measuring head 31 and generates compression and moves for a corresponding distance L2, when the tail of the pipe to be detected is tightly attached to the length measuring tail baffle, the distance L2 is not changed any more, the distance L2 moved by the contact type length measuring head is subtracted from a fixed distance L1 to obtain a delta L, and the standard length L is the actual length of the whole pipe.

As shown in fig. 8, the inner and outer diameter detecting unit 21 of this embodiment includes a material pushing mechanism 32, an inner and outer diameter detecting and measuring cavity 34, a rotating disc 36, a driving motor 37, a V-shaped clamping block 38, a clamping cylinder 35, a limiting block 39, a spring 40, a limiting block cylinder 41, a first high-precision distance measuring sensor 42, a second high-precision distance measuring sensor 43, a third high-precision distance measuring sensor 44, an inner diameter measuring rod 33, and a rotating pin 45, wherein the material pushing mechanism 32 is disposed on the frame 9 and used for pushing the traverse plate 13 to a detecting point position, the inner and outer diameter detecting and measuring cavity 34 is fixed on the rotating disc 36, the rotating disc 36 is rotated by the driving motor 37, the clamping cylinder 35 is fixed on the frame 9, the clamping cylinder 35 is fixedly connected with the V-shaped clamping block 38, and the V-shaped clamping block 38 clamps and fixes the pipe to be detected by the clamping cylinder 35, the V-shaped clamping block 38 is arranged between the pushing mechanism 32 and the inner and outer diameter detection measurement cavity 34, one side of the inner and outer diameter detection measurement cavity 34 is provided with an opening for a pipe to be detected to extend into, a limiting block 39, a spring 40, a limiting block cylinder 41, a first high-precision distance measurement sensor 42, a second high-precision distance measurement sensor 43, a third high-precision distance measurement sensor 44, an inner diameter measurement rod 33 and a rotating pin 45 are arranged in the inner and outer diameter detection measurement cavity 34, the middle part of the inner diameter measurement rod 33 is fixed at the central position of the inner and outer diameter detection measurement cavity 34 through the rotating pin 45, the inner diameter measurement rod 33 can rotate in a vertical plane by taking the rotating pin 45 as an axis, the head part of the inner diameter measurement rod 33 is provided with a sphere, the tail part of the inner diameter measurement rod 33 is fixedly connected with the inner and outer diameter detection measurement cavity 34 through the spring 40, the limiting block cylinder 41 is fixed on the inner wall of the inner and outer diameter detection measurement cavity 34, stopper 39 is fixed in stopper cylinder 41's flexible end, and the contact point of stopper 39 and internal diameter measuring pole 33 is located between the afterbody of rotating pin 45 and internal diameter measuring pole 33, and first high accuracy distance measuring sensor 42, second high accuracy distance measuring sensor 43's probe is corresponding to two check points of examining the tubular product outer wall respectively, and third high accuracy distance measuring sensor 44's probe is corresponding to the afterbody check point of internal diameter measuring pole 33.

In this embodiment, the pushing mechanism 32 belongs to the existing structure, and its effect is to promote, the translation is examined the tubular product to make its mouth of pipe reach inside and outside footpath and detect and measure in the chamber 34. The measuring process of the inner diameter, the outer diameter and the wall thickness is as follows: the limiting block cylinder pushes the limiting block to support the inner diameter measuring rod, so that the inner diameter measuring rod is kept in a horizontal state, and the inner diameter measuring rod can be conveniently inserted into a pipe orifice of a pipe to be detected; the pipe to be detected is conveyed to an inner diameter and outer diameter measuring station by the transverse moving plate, the pipe orifice of the pipe to be detected on the inner diameter and outer diameter measuring station is pushed into an inner diameter and outer diameter detection measuring cavity by the pushing mechanism, at the moment, a straight line where the inner diameter measuring rod is located is just coincided with the axial lead of the pipe to be detected, and the pipe to be detected is clamped by the two V-shaped clamping blocks through the clamping cylinder; after that, the limiting block cylinder drives the limiting block to retract, the tail part of the inner diameter measuring rod is under the action of the tensile force of the spring, the head ball of the inner diameter measuring rod tilts and clings to the inner wall of the pipe to be detected, the first high-precision distance measuring sensor and the second high-precision distance measuring sensor respectively correspond to two measuring points on the outer wall of the pipe to be detected, and the third high-precision distance measuring sensor corresponds to a measuring point on the tail part of the inner diameter measuring rod; the rotating disc starts to rotate under the action of the driving motor and drives the inner and outer diameter detection measuring cavities to rotate, the first high-precision distance measuring sensor and the second high-precision distance measuring sensor start to measure the surface distance of a pipe to be detected, meanwhile, the head sphere of the inner diameter measuring rod is tightly attached to the inner wall of the pipe to be detected and does circular motion along the inner wall, the fluctuation of the size of the inner wall of the pipe to be detected in the rotating process is transmitted to a tail measuring point by the head sphere of the inner diameter measuring rod through the lever principle, and the third high-precision distance measuring sensor measures through the tail measuring point of the inner diameter measuring rod; after rotating for a circle, the data measured by the first high-precision distance measuring sensor and the second high-precision distance measuring sensor respectively correspond to a plane data graph through an algorithm, the two data graphs can be combined to measure the outer diameter value, the ovality, the eccentricity value and the fluctuation value of the pipe to be detected, and the inner diameter and the wall thickness of the pipe can be calculated through the algorithm by combining the data measured by the third high-precision distance measuring sensor, as shown in fig. 9.

In the embodiment, the problem of detecting the inner diameter, the outer diameter and the thickness of the small-diameter pipe is well solved through the ingenious design of the inner and outer diameter detection unit 21, the inner size of the small-diameter pipe is very small, the high-precision distance measuring sensor cannot be installed in the pipe in the conventional measuring mode, so that the detection of the small-diameter pipe is limited, and the detection precision is generally not high.

As shown in fig. 10, the jacking mechanism of this embodiment includes a qualified guide rod 46, a qualified V-shaped groove 47, an upper jacking cylinder mounting plate 48, a qualified pipe jacking cylinder 49, a unqualified pipe jacking cylinder 50, an unqualified guide rod 51, an unqualified inclined plate 52, an unqualified discharging plate 53, a feeding cylinder 56, a feeding plate 55, and a pipe conveying inclined plate 54, where the qualified pipe jacking cylinder 49 and the unqualified pipe jacking cylinder 50 are both mounted on the upper jacking cylinder mounting plate 48, the upper jacking cylinder mounting plate 48 is mounted on the frame 9, the qualified V-shaped groove 47 is fixedly connected with the qualified guide rod 46, the qualified guide rod 46 is fixedly connected with the telescopic end of the qualified pipe jacking cylinder 49, the unqualified inclined plate 52 is fixedly connected with the unqualified guide rod 51, the unqualified guide rod 51 is fixedly connected with the telescopic end of the unqualified pipe jacking cylinder 50, the unqualified discharging plate 53 is fixed on the frame 9, the feeding cylinder 56 is mounted on the frame 9, and the feeding plate 55 is fixed to the telescopic end of the feeding cylinder 56.

In the embodiment, regardless of whether the pipe to be detected is qualified or not, the transverse moving plate can convey the pipe with the inner diameter and the outer diameter and the wall thickness detected into the pipe temporary-placing V-shaped groove 64 for temporary placing, when the pipe to be detected is judged to be qualified, the qualified air cylinder is started and ejects the qualified groove upwards, the qualified pipe is clamped and driven to move upwards in the upward movement process of the qualified groove, the qualified pipe is separated from the pipe temporary-placing V-shaped groove after moving upwards until the qualified pipe is conveyed to the feeding plate, the feeding air cylinder pushes the feeding plate to push the qualified pipe from the qualified groove onto the pipe conveying inclined plane plate, the qualified pipe slides down to the conveying groove formed by the pipe conveying inclined plane plate and the transverse moving plate along the pipe conveying inclined plane plate by means of the gravity of the qualified pipe, finally, the qualified pipe is conveyed to the next link through the pressing wheel unit and the discharging driving wheel, the qualified air cylinder drives the qualified groove and the qualified guide rod to descend, and the air cylinder does not work; when the pipe to be detected is judged to be an unqualified pipe, the unqualified cylinder is started, the unqualified inclined plate is jacked up, the unqualified inclined plate pushes out the unqualified pipe temporarily placed in the V-shaped groove, the unqualified pipe freely falls onto the unqualified discharge plate along the unqualified inclined plate, and the unqualified pipe is finally discharged out of the equipment to be subjected to subsequent unqualified product treatment.

It should be noted that no matter the weighing unit, length measurement unit or interior external diameter and wall thickness measurement unit, its detection station all includes the V type groove bearing structure who is used for placing the tubular product of waiting to examine, and V type groove bearing structure can be long structure, also can constitute by a plurality of short V type grooves, there is certain interval between the V type groove, for example the tubular product is temporarily put V type groove 64 and is then adopted a plurality of short V type grooves to constitute, and the fit groove sets up between a plurality of short V type grooves of temporarily putting V type groove 64 of tubular product, be convenient for realize the upwards jacking of qualified tubular product like this.

The embodiment provides a specific pipe detection method, which comprises the following steps:

step 1: when waiting to examine in the tubular product conveys the conveying groove back through transmission device, it stops the cylinder and starts and make the feeding block downstream, the interception waits to examine the tubular product, wait to examine tubular product and be followed the sideslip cylinder and blockked the crack department of piece along tubular product conveying plane board propelling movement to tubular product conveying plane board and whereabouts by tubular product conveying plane board propelling movement, start whereabouts and block the piece cylinder, the whereabouts blocks the piece upward movement, the crack grow of tubular product conveying plane board and whereabouts block the piece, wait to examine tubular product and fall to waiting to examine the station under self action of gravity perpendicularly, its structure is V type groove, be used for temporarily putting waiting to examine tubular product

Step 2: the transverse moving plate conveys the pipe to be detected at the receiving station to the weighing station, after the pipe to be detected is subjected to weight detection at the weighing station, the transverse moving plate conveys the pipe to be detected to the length measuring station, after the pipe to be detected is subjected to length measurement, the transverse moving plate conveys the pipe to be detected to the inner and outer diameter measuring stations to carry out inner and outer diameter and wall thickness measurement on the pipe to be detected, and after the inner and outer diameter and wall thickness measurement is finished, the transverse moving plate conveys the pipe to be detected to the lattice groove for temporary placement;

and step 3: when the weight, the length, the inner and outer diameter and the wall thickness of the pipe to be detected have certain difference values with those of the standard pipe, judging the pipe to be detected as an unqualified pipe, performing the step 4, otherwise, judging the pipe to be detected as a qualified pipe, and performing the step 5;

and 5: when waiting to examine tubular product and being qualified tubular product, qualified tubular product jacking cylinder will go up the top of the check groove and go up flitch department, and the material loading cylinder will go up the flitch and ejecting toward tubular product conveying inclined plane board direction, will qualified tubular product push away to tubular product conveying inclined plane board from the check groove on, qualified tubular product relies on self gravity to slide to the transfer slot on tubular product conveying inclined plane board, and the qualified tubular product of accomplishing the detection promptly comes from the transfer slot and finally returns the transfer slot again.

In step 2 of this embodiment, the specific process of the inside and outside diameter and the wall thickness measurement of the pipe to be detected is:

step 2-5: after rotating for a circle, the data measured by the first high-precision distance measuring sensor and the second high-precision distance measuring sensor respectively correspond to a plane data graph through an algorithm, the two data graphs can be combined to measure the outer diameter value, the ovality, the eccentricity value and the fluctuation value of the pipe to be detected, and the data measured by the third high-precision distance measuring sensor can be combined to calculate the inner diameter and the wall thickness of the pipe through the algorithm.

The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims

1. A tubular product check out test set which characterized in that: the device comprises a rack (9), and a feeding and discharging mechanism, a material moving mechanism, a detection mechanism and a jacking mechanism which are arranged on the rack (9), wherein the feeding and discharging mechanism is used for conveying a pipe to be detected to the material moving mechanism and conveying the pipe subjected to detection to the next link; the material moving mechanism is used for moving the pipe to be detected to different stations to be detected; the detection mechanism is used for measuring the weight, the length, the inner diameter, the outer diameter and the wall thickness of the pipe to be detected and judging whether the pipe is qualified or not; the jacking mechanism is used for taking the detected pipe down from the material moving mechanism and sending the pipe to a corresponding position according to a judgment result given by the detection mechanism.

2. The pipe detecting apparatus according to claim 1, wherein: the feeding and discharging mechanism comprises a feeding blocking block (1), a pipe conveying inclined plane plate (54), a blocking block cylinder (2), a pipe conveying plane plate (3), a transverse moving cylinder (4), a falling blocking block (5), a pressing wheel unit (7), a discharging driving wheel (8), a transverse moving push plate (59), a transverse moving push plate lifting cylinder (60), a cylinder sliding rail (61) and a falling blocking block cylinder (62), wherein the pipe conveying plane plate (3) is fixedly connected with the pipe conveying inclined plane plate (54), the transverse moving push plate (59) is positioned on the pipe conveying plane plate (3), the transverse moving cylinder (4) is positioned below the pipe conveying plane plate (3), a strip-shaped through hole is formed in the pipe conveying plane plate (3), the telescopic end of the transverse moving cylinder (4) is connected with the transverse moving push plate (59), the transverse moving cylinder (4) can control the transverse moving push plate (59) to move back and forth on the pipe conveying plane plate (3) along the strip-shaped through hole, the transverse moving lifting cylinder (60) is fixed on a rack (9), the transverse moving push plate lifting cylinder (60) is fixedly connected with the transverse moving push plate (59), and the transverse moving push plate (59) is positioned between the transverse moving push plate (59) and the pipe conveying plane plate (3) and the transverse moving cylinder (59) and can adjust the distance between the transverse moving push plate (59), the transverse moving push plate (59) and the pipe conveying inclined plane plate (54) form a conveying groove which is a conveying channel of the pipe, the feeding stop block (1) is arranged right above the conveying groove, the feeding stop block (1) is fixedly connected with a stop block cylinder (2) fixed on a rack (9), the falling stop block (5) is arranged at the outer side of the edge of the pipe conveying plane plate (3), the falling stop block cylinder (62) is fixed on the rack (9) at the outer side of the edge of the pipe conveying plane plate (3), the falling stop block (5) is fixed at the telescopic end of the falling stop block cylinder (62), the falling stop block cylinder (62) is used for adjusting the distance between the falling stop block (5) and the edge of the pipe conveying plane plate (3), the stop block cylinder (2) is used for driving the feeding stop block (1) to move up and down, the stopping action of the pipe in the conveying groove is realized, the transverse moving cylinder (4) is used for pushing the pipe to be detected to be stopped along the conveying plane plate (3) to be detected to be clamped at the edge of the pipe conveying plane plate (3) until the pipe to be detected, the pipe is pulled up and down from the straight clamp block cylinder (8) at the position of the pipe conveying plane plate (5), and the vertical moving mechanism, the vertical moving block cylinder (9), and pinch roller unit (7) set up in ejection of compact action wheel (8) top, pinch roller unit (7) are including pinch roller (71) and pinch roller cylinder (72), pinch roller cylinder (72) are used for driving pinch roller (71) up-and-down motion, ejection of compact action wheel (8) link to each other with driving motor, pinch roller unit (7) are used for sending tubular product to next link with ejection of compact action wheel (8).

3. The pipe detecting apparatus according to claim 2, wherein: the material moving mechanism comprises a servo motor, a speed reducing motor (18), a speed reducing motor mounting plate (17), a connecting rod (16), a crank shaft (15), a cam mechanism fixing plate (11), a vertical linear guide rail (14), a horizontal linear guide rail (57), a transverse moving plate (13) and a transverse moving fixing plate (12), wherein the speed reducing motor (18) is mounted on the speed reducing motor mounting plate (17), the speed reducing motor mounting plate (17) is fixed on the rack (9), the servo motor drives the speed reducing motor (18) to rotate, the speed reducing motor (18), the connecting rod (16) and the crank shaft (12) are sequentially connected in a transmission mode, the horizontal linear guide rail (57) is fixed on the cam mechanism fixing plate (11), the vertical linear guide rail (14) is arranged on the horizontal linear guide rail (57) and can move horizontally along the horizontal linear guide rail (57), the transverse moving fixing plate (12) is arranged on the vertical linear guide rail (14) and can move vertically along the vertical linear guide rail (14), the transverse moving fixing plate (12) is fixedly connected with the crank shaft (15), the transverse moving plate (13) is fixedly connected with the fixing plate (12), and a plurality of clamping ports for placing pipes in a plurality of the transverse moving plate (13) in a pipe transferring process.

4. The pipe detecting apparatus according to claim 3, wherein: detection mechanism includes weighing unit (19), length measurement unit (20) and interior external diameter detecting element (21), weighing unit (19) are used for acquireing the weight of waiting to examine tubular product, length measurement unit (20) are used for acquireing the length of waiting to examine tubular product, interior external diameter detecting element (21) are used for acquireing internal diameter, external diameter and the wall thickness of waiting to examine tubular product.

5. The pipe detecting apparatus according to claim 4, wherein: include weighing unit (19) are including weighing V type groove (24), weighing sensor (23) and weighing sensor fixed plate (22), weighing sensor (23) are fixed in weighing V type groove (24) below through weighing sensor fixed plate (22), V type groove (24) of weighing are used for placing and wait to examine the tubular product.

6. The pipe detecting apparatus according to claim 4, wherein: length measurement unit (20) are including length measurement V type groove (26), length measurement baffle (27), length measurement cylinder (28), length measurement fixing base (29), length measurement linear guide (30) and contact length measuring head (31), length measurement tail baffle (58), length measurement V type groove (26), length measurement fixing base (29) and length measurement tail baffle (58) all are fixed in on frame (9), length measurement cylinder (28) are fixed in on length measurement fixing base (29), length measurement linear guide (30) are installed on length measurement fixing base (29), length measurement baffle (27) are installed on length measurement linear guide (30), and length measurement baffle (27) and the flexible end realization fixed connection of length measurement cylinder (28), contact length (31) are installed on length measurement fixing base (29), length measurement V type groove (26) are used for placing and wait to examine the tubular product.

7. The pipe detecting apparatus according to claim 4, wherein: interior external diameter detecting element (21) includes pushing equipment (32), interior outer diameter detection measurement chamber (34), rolling disc (36), driving motor (37), V type grip block (38), die clamping cylinder (35), stopper (39), spring (40), stopper cylinder (41), first high accuracy distance measuring sensor (42), second high accuracy distance measuring sensor (43), third high accuracy distance measuring sensor (44), internal diameter measuring pole (33) and rotation pin (45), pushing equipment (32) set up in frame (9) and are used for waiting to examine the conveying pipe material and promote to the check point position with sideslip board (13), interior outer diameter detection measurement chamber (34) is fixed in on rolling disc (36), rolling disc (36) realize rotating through driving motor (37), V type grip block (38) realize treating the clamp of tubular product (35) fixedly, die clamping cylinder (35) are fixed in frame (9), die clamping cylinder (35) and V type grip block (38) fixed connection, V type grip block (38) set up in and wait to examine between diameter detection chamber (32) and detection chamber (34), the inner diameter detection chamber (39) is equipped with the stopper (34), the spring (39) is convenient for the detection of the inside and outside diameter detection chamber (34), the detection chamber (34) stretch into, the inside and outside the detection chamber (34), the inside and outside be equipped with the stopper (34), the detection chamber (34) is equipped with the stopper (34), the detection mechanism (38) is equipped with the detection mechanism (34), the stopper (34) is equipped with the stopper (34) and the inside and outside Stopper cylinder (41), first high accuracy distance measuring sensor (42), second high accuracy distance measuring sensor (43), third high accuracy distance measuring sensor (44), internal diameter measuring stick (33) and rotation pin (45) all set up in inside and outside footpath detection measurement chamber (34), the middle part of internal diameter measuring stick (33) is fixed in the central point of inside and outside footpath detection measurement chamber (34) through rotation pin (45), and internal diameter measuring stick (33) can use rotation pin (45) to do the rotation of vertical plane as the axle, and the head of internal diameter measuring stick (33) is equipped with the spheroid, and the afterbody of internal diameter measuring stick (33) passes through spring (40) and realizes fixed connection with inside and outside footpath detection measurement chamber (34), stopper cylinder (41) is fixed in on the inner wall of inside and outside footpath detection measurement chamber (34), stopper (39) are fixed in the flexible end of stopper cylinder (41), and the contact point of stopper (39) and internal diameter measuring stick (33) is located between rotation pin (45) and the afterbody of internal diameter measuring stick (33) of measuring stick, first high accuracy distance measuring sensor (42), second high accuracy distance measuring sensor (43) corresponds the survey measuring sensor's survey the survey probe in the survey test point of two survey measuring stick (33) respectively.

8. The pipe detecting apparatus according to claim 1, wherein: the jacking mechanism comprises a qualified guide rod (46), a qualified V-shaped groove (47), an upper jacking cylinder mounting plate (48), a qualified pipe jacking cylinder (49), an unqualified pipe jacking cylinder (50), an unqualified guide rod (51), an unqualified inclined plate (52), an unqualified discharging plate (53), a feeding cylinder (56) and a feeding plate (55), wherein the qualified pipe jacking cylinder (49) and the unqualified pipe jacking cylinder (50) are both mounted on the upper jacking cylinder mounting plate (48), the upper jacking cylinder mounting plate (48) is mounted on the rack (9), the qualified V-shaped groove (47) is fixedly connected with the qualified guide rod (46), the qualified guide rod (46) is fixedly connected with the telescopic end of the qualified pipe jacking cylinder (49), the unqualified inclined plate (52) is fixedly connected with the unqualified guide rod (51), the unqualified guide rod (51) is fixedly connected with the telescopic end of the unqualified pipe jacking cylinder (50), the unqualified discharging plate (53) is fixed on the rack (9), the feeding cylinder (56) is arranged on the rack (9), and the feeding plate (55) is fixed on the telescopic end of the feeding plate (56).

9. A pipe detection method is characterized by comprising the following steps:

and 3, step 3: when the weight, the length, the inner and outer diameter and the wall thickness of the pipe to be detected have certain difference values with those of the standard pipe, judging the pipe to be detected as an unqualified pipe, performing the step 4, otherwise, judging the pipe to be detected as a qualified pipe, and performing the step 5;

and 4, step 4: when the pipe to be detected is an unqualified pipe, the unqualified pipe jacking cylinder jacks up the unqualified inclined plate, the unqualified pipe temporarily placed in the qualified groove is pushed out by the unqualified inclined plate, the jacked unqualified pipe is discharged along the unqualified inclined plate and the unqualified discharge plate,

10. The pipe detecting method according to claim 9, wherein in the step 2, the specific process of measuring the inner diameter, the outer diameter and the wall thickness of the pipe to be detected is as follows: