CN214408799U

CN214408799U - Automatic change roll phased array detecting system

Info

Publication number: CN214408799U
Application number: CN202120502751.9U
Authority: CN
Inventors: 邱鹏
Original assignee: MAANSHAN MA STEEL HUAYANG EQUIPMENT DIAGNOSTICS ENGINEERING CO LTD
Current assignee: MAANSHAN MA STEEL HUAYANG EQUIPMENT DIAGNOSTICS ENGINEERING CO LTD
Priority date: 2021-03-09
Filing date: 2021-03-09
Publication date: 2021-10-15
Anticipated expiration: 2031-03-09

Abstract

The utility model discloses an automatic change roll phased array detecting system belongs to roll detection technical field. The utility model discloses a remove the detecting element, wherein remove the detecting element and set up the support piece in roll axial both ends top including the symmetry, both sides support piece's relative inboard all is provided with the connecting piece that the level extends, and the both sides connecting piece passes through the bolt structure and links to each other, and the inside of connecting piece is equipped with along roll axial extension's slide rail, and the cooperation is provided with the slider on the slide rail, and the bottom of slider is equipped with the detecting element. The roller detects not enough that can not be accurate qualitative to roll internal defect among the prior art, the utility model provides an automatic change roll phased array detecting system utilizes phased array technique to solve the qualitative problem that internal defect can not be accurate in roll testing process, has satisfied the requirement that phased array check out test set automatic removal and detected, not only can improve work efficiency, and the testing result is more accurate.

Description

Automatic change roll phased array detecting system

Technical Field

The utility model belongs to the technical field of the roll detects, more specifically says, relates to an automatic change roll phased array detecting system.

Background

The existing roller detection mainly focuses on surface wave detection and internal detection, and the defects detected by the surface wave detection can be displayed by means of magnetic powder, permeation and the like; the ultrasonic detection used for internal detection can only define the size of the defect at present, and cannot effectively and accurately define the property of the defect, that is, the size of the defect can only be determined quantitatively, and which kind of defect, such as a volume type defect or an area type defect, and the kind of the defect, such as a crack or a hole or a porosity, cannot be determined accurately and specifically. However, determining the type of defect is very helpful for judging the use of the roller, and even if the defect is small, the harmful defect can cause very serious results, so the judgment on the nature of the defect is particularly important.

The test effect of the roller eddy current detection system is not good, and the main performance is as follows: the number of false defects is large; the detection sensitivity is not sufficient; the requirement for surface coupling is high, and manual detection needs a large amount of manpower and material resources again, and because manual detection also has relatively higher requirement to the qualification of testing personnel, detection environment, detecting instrument, consequently also hardly relies on the manual detection to accomplish the daily detection work to the roll alone.

The current phased array detection is mainly applied to detection of welding seams and plates, the phased array technology is updated to some extent at present, the technology can also be applied to internal detection of rollers, the problem that internal defects cannot be accurately determined in the roller detection process is solved by using the phased array technology, and the defects in the rollers can be defined in an all-round manner in terms of quantity and properties. In order to meet the detection requirements of the roller, the emission frequency and the emission angle of the phased array need to be changed, and a special moving track needs to be manufactured according to the appearance of the roller, so that an automatic roller phased array detection system is urgently needed to be designed to meet the phased array detection requirements of the roller.

Through retrieval, the roller detection system has published patents, such as Chinese patent application numbers: 2019205713501, the name of invention creation is: the utility model provides a roll detection device, discloses a roll detection device, includes infrared range unit and hardness detecting element, links to each other through flexible connecting rod between infrared range unit and the hardness detecting element, and wherein infrared range unit includes that parallel symmetry sets up in the moving platform of roll width both sides, and moving platform extends along the length direction of roll, and the moving platform top is provided with supporting platform, installs infrared distance meter on the supporting platform, and moving platform drives the length direction removal of supporting platform along the roll.

The scheme is a good search for the roller detection system, but still has a space for further optimization, and the search for the roller detection system in the industry is never stopped.

SUMMERY OF THE UTILITY MODEL

1. Problems to be solved

The roller detects not enough that can not be accurate qualitative to roll internal defect among the prior art, the utility model provides an automatic change roll phased array detecting system utilizes phased array technique to solve the qualitative problem that internal defect can not be accurate in roll testing process, has satisfied the requirement that phased array check out test set automatic removal and detected, not only can improve work efficiency, and the testing result is more accurate.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

The utility model discloses an automatic change roll phased array detecting system, including removing the detecting element, wherein remove the detecting element and set up the support piece in roll axial both ends top including the symmetry, both sides support piece's relative inboard all is provided with the connecting piece that the level extends, and the both sides connecting piece passes through the bolt structure and links to each other, and the inside of connecting piece is equipped with along the slide rail of roll axial extension, and the cooperation is provided with the slider on the slide rail, and the bottom of slider is equipped with the detecting element.

As a further improvement, the utility model discloses still include the fixed unit of centre gripping, wherein the fixed unit of centre gripping sets up in the carriage release lever of roll axial both sides including the symmetry, and the carriage release lever top is provided with the clamping part, and the clamping part is along the direction removal that is close to or keeps away from the roll under the drive of carriage release lever, and the top of clamping part is provided with support piece.

As a further improvement, one side of the slider is connected with a first hydraulic rod extending horizontally, and the end of the first hydraulic rod is fixed on a support piece on one side, and the slider moves axially along the roller under the pushing of the first hydraulic rod.

As a further improvement, the detecting unit includes the mounting that links to each other bottom the slider, is provided with the second hydraulic stem of vertical extension in the mounting, and the bottom of second hydraulic stem is provided with the flexible face that detects, is provided with test probe on the flexible face that detects.

As a further improvement, the bottom central point of the flexible detection surface is provided with a first pressure sensor, and the position of the first pressure sensor corresponds to the second hydraulic rod.

As a further improvement, the bottom both sides of flexible detection face all are provided with the detection portion, and the detection portion is including the test probe and the second pressure sensor that set up from top to bottom, and the top of flexible detection face all is provided with the third hydraulic stem that promotes from top to bottom with the position that both sides detection portion corresponds.

As a further improvement, the bottom of mounting is provided with the dead lever that the level extends, and the bottom of second hydraulic stem passes the dead lever and links to each other with flexible detection face, and the both sides at the dead lever are fixed at the top of third hydraulic stem.

As a further improvement, the clamping fixing unit further comprises a rail symmetrically arranged at the outer sides of the two axial ends of the roller, the rail extends along the axial direction of the roller, the rail is provided with a sliding part in a matching manner, and the moving rod is arranged above the sliding part.

As a further improvement, one side of the moving rod is provided with a horizontally extending pushing rod, and the moving rod moves along the direction close to or away from the roller under the driving of the pushing rod.

As a further improvement, the utility model also comprises a position adjusting unit, which comprises two small rollers arranged in parallel at the two radial sides of the roller, and the top of the small rollers is used for laying the roller.

3. Advantageous effects

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses an automatic change roll phased array detecting system utilizes phased array technique to solve the qualitative problem that internal defect can not be accurate in roll testing process, has satisfied the requirement that phased array check out test set automized removal and detection simultaneously, not only can improve work efficiency, and the testing result is more accurate.

(2) The utility model discloses an automatic change roll phased array detecting system, flexible face that detects is used for the laminating to detect roll surface or inside defect at roll top surface and through test probe, and flexible face that detects adopts flexible material, convenient and roll surface's arc laminating, and the laminating effect is better, has further improved the degree of accuracy that detects.

(3) The utility model discloses an automatic change roll phased array detecting system, the laminating of test probe detects at roll surface and to roll surface or inside defect, and is different according to test probe's type, can realize the detection to roll surface or internal defect. The connection mode between the detection probe and the flexible detection surface is detachable, the detection probe is convenient to replace, the application range of a detection system is enlarged, the detection requirements of different requirements are met, multi-direction and multi-aspect detection is carried out on a detection object, surface wave detection surface defects and phased array detection internal defects can be simultaneously realized, the internal defects are defined in all directions (size, type, position and the like) from the aspects of quantity and properties, and the detection result is more accurate.

(4) The utility model discloses an automatic change roll phased array detecting system, flexible face that detects forms the arc structure of laminating mutually with roll arc surface under the promotion of both sides third hydraulic stem to make the test probe and the roll surface laminating of both sides detect, the synchronous detection of two probes has further improved the degree of accuracy that detects, and the laminating testing process of whole probe realizes automaticly completely, has further improved automatic level and detection efficiency.

Drawings

Fig. 1 is a schematic view of a front view structure of an automated roller phased array inspection system according to the present invention;

FIG. 2 is a schematic left-view structural diagram of the detecting unit of the present invention;

FIG. 3 is a schematic left-view structural diagram of the detecting unit of the present invention;

FIG. 4 is a schematic structural diagram of the detecting part in FIG. 2;

fig. 5 is a schematic structural view of the fixing member of the present invention.

The reference numbers in the figures are:

100. rolling; 110. an end portion; 210. a clamping and fixing unit; 211. a travel bar; 212. a push rod; 213. a track; 214. a clamping portion; 220. a movement detection unit; 221. a support member; 222. a connecting member; 223. a slider; 224. a first hydraulic lever; 225. a fixing member; 226. a flexible detection surface; 227. fixing the rod; 21. a second hydraulic rod; 22. a third hydraulic lever; 23. a first pressure sensor; 24. a detection unit; 241. a second pressure sensor; 242. detecting a probe; 300. a small roller.

Detailed Description

For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings.

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

The present invention will be further described with reference to the following examples.

Example 1

At present, effective regular inspection of the roll 100 can timely find various hidden defects on the surface of the roll 100 or in the working layer, so that the defects can be ground off at the initial stage of defect formation, namely before the defects reach a certain critical value, thereby improving the reasonable continuous working period of the roll 100 and avoiding catastrophic roll burst accidents caused by crack source expansion. With the continuous improvement of production efficiency, the traditional manual detection of the in-service roller is difficult to meet the requirements of field production, and the automatic detection of the roller 100 defects is urgent in order to reduce the interference of human factors in the detection process as much as possible, improve the detection quality of the roller 100 defects and realize the automatic detection of the roller 100 defects. Utilize phased array technique to solve the qualitative problem that can not be accurate at roll testing in-process internal defect in this embodiment, satisfied the requirement that phased array check out test set automated movement and detected simultaneously, not only can improve work efficiency, and the testing result is more accurate.

Referring to fig. 1 to 5, the automatic phased array inspection system for a roll of the present embodiment includes a movement inspection unit 220, wherein the movement inspection unit 220 includes support members 221 symmetrically disposed above two axial end portions 110 of the roll 100, horizontal extending connection members 222 are disposed on opposite inner sides of the support members 221, the connection members 222 are connected together by a pin structure during inspection, and the length of the connection members 222 is consistent with the axial length of the roll 100. The connecting member 222 has a hollow structure, and the top wall of the connecting member 222 is provided with a slide rail extending along the axial direction of the roller 100, and the slide rails inside the connecting members 222 on both sides are connected in a butt joint manner to form a complete slide rail, and the length of the complete slide rail is consistent with the axial length of the roller 100. The slider 223 is provided at the bottom thereof with a detection unit for attaching to the surface of the roll 100 and detecting the roll 100. During detection, the sliding block 223 slides in the sliding rail to drive the detection unit at the bottom to move along the axial direction of the roller 100, so that one-time detection of the roller 100 is completed.

In this embodiment, one side of the slider 223 is connected with a first hydraulic rod 224 extending horizontally, and the end of the first hydraulic rod 224 is fixed on a support member 221 on one side, the slider 223 moves axially along the roller 100 under the pushing of the first hydraulic rod 224, the first hydraulic rod 224 is driven by a motor to perform left-right telescopic motion, the motor is connected with a PLC control center, the PLC control center controls the motor to operate, the first hydraulic rod 224 is driven to drive the slider 223 and a detection unit at the bottom of the slider 223 to move axially along the roller 100, the automatic detection of the roller 100 is completed, and the automation level and the detection efficiency are improved.

As shown in fig. 2 and fig. 3, the detection unit in this embodiment includes a fixing member 225 connected to the bottom of the slider 223, the fixing member 225 is a hollow structure, wherein a second hydraulic rod 21 extending vertically is provided in the fixing member 225, a flexible detection surface 226 is provided at the bottom of the second hydraulic rod 21, a detection probe 242 is provided on the flexible detection surface 226, the flexible detection surface 226 is used for being attached to the top surface of the roller 100 and detecting the surface or the internal defect of the roller 100 through the detection probe 242, and the flexible detection surface 226 is made of a flexible material, so as to facilitate the arc-shaped attachment to the surface of the roller 100, which has a better attachment effect, and further improves the detection accuracy. The second hydraulic rod 21 is driven by the motor to move up and down along the vertical direction, the motor is connected with the PLC control center, the PLC control center controls the motor to operate, the second hydraulic rod 21 is driven to drive the flexible detection surface 226 to move down until the flexible detection surface is attached to the surface of the roller 100, the detection probe 242 is attached to the surface of the roller 100 at the moment and detects the surface or internal defects of the roller 100, and the detection of the surface or internal defects of the roller 100 can be realized according to different types of the detection probe 242. In this embodiment, the connection between the detecting probe 242 and the flexible detecting surface 226 is detachable, so that the detecting probe 242 can be replaced conveniently, the application range of the detecting system is expanded, the detecting requirements of different requirements are met, multi-direction and multi-aspect detection is performed on the detecting object, surface wave detection of surface defects and phased array detection of internal defects can be realized simultaneously, the internal defects are defined in all directions (size, type, position and the like) from the aspects of quantity and properties, and the detecting result is more accurate.

The bottom central point of flexible detection face 226 in this embodiment puts and is provided with first pressure sensor 23, first pressure sensor 23's position is corresponding with second hydraulic stem 21, first pressure sensor 23 links to each other with PLC control center, when first pressure sensor 23 and roll 100 surface contact, send signal to PLC control center promptly, PLC control center control motor stall, second hydraulic stem 21 stops to continue downstream this moment, the whole process realizes automatic laminating and detects, do not need the manual work to remove and place test probe 242, time saving and labor saving, and the work efficiency is improved. As shown in fig. 2, in this embodiment, the detection portions 24 are disposed on both sides of the bottom of the flexible detection surface 226, each detection portion 24 includes a detection probe 242 and a second pressure sensor 241 disposed up and down, and the positions of the top of the flexible detection surface 226 corresponding to the detection portions 24 on both sides are provided with a third hydraulic rod 22 pushed up and down, the third hydraulic rod 22 is driven by a motor to move up and down along the vertical direction, the motor is connected to a PLC control center, the PLC control center controls the motor to operate, and drives the third hydraulic rod 22 to drive both sides of the flexible detection surface 226 at the bottom to move down until the second pressure sensor 241 is attached to the surface of the roll 100, as shown in fig. 3, the flexible detection surface 226 forms an arc structure attached to the arc surface of the roll 100 under the pushing of the third hydraulic rods 22 on both sides, and the detection probes 242 on both sides are attached to the surface of the roll 100 for detection, the double-probe synchronous detection further improves the detection accuracy, the laminating detection process of the whole probe is completely automated, and the automation level and the detection efficiency are further improved.

In this embodiment, the fixing member 225 is provided at the bottom thereof with a fixing rod 227 extending horizontally, the bottom of the second hydraulic rod 21 passes through the fixing rod 227 and is connected to the flexible detection surface 226, the top of the third hydraulic rod 22 is fixed at two sides of the fixing rod 227, and the fixing rod 227 is used for fixing the second hydraulic rods 21 at two sides, so as to improve the stability of the device. In this embodiment, the second pressure sensor 241 is also connected to the PLC control center, and when the second pressure sensor 241 contacts the surface of the roll 100, a signal is sent to the PLC control center to stop the operation of the motor, and at this time, the second hydraulic rod 21 does not move downward any more, so that the flexible detection surface 226 is tightly attached to the surface of the roll 100.

As shown in fig. 1, the present embodiment further includes a clamping and fixing unit 210, wherein the clamping and fixing unit 210 includes moving rods 211 symmetrically disposed at two axial sides of the roll 100, a clamping portion 214 for fixing two axial ends 110 of the roll 100 is disposed at the top of the moving rods 211, the clamping portion 214 is driven by the moving rods 211 to move in a direction close to or away from the roll 100, and a support 221 is disposed at the top of the clamping portion 214. The clamping and fixing unit 210 further includes rails 213 symmetrically disposed at the outer sides of the two axial end portions 110 of the roll 100, the rails 213 extend along the axial direction of the roll 100, and the rails 213 are cooperatively provided with sliding portions, and a moving rod 211 is disposed above the sliding portions. One side of the movable rod 211 is provided with a horizontally extending push rod 212, the movable rod 211 is driven by the push rod 212 to move in a direction close to or away from the roller 100 until the clamping part 214 is sleeved at the two axial end parts 110 of the roller 100, the connecting parts 222 at the two sides are connected together, the roller 100 is fixed and preparation is made for subsequent detection, the automation degree is high, the detection labor intensity is reduced, and the detection efficiency is improved.

Example 2

The automatic phased array detection system for the roller of the embodiment has the same basic structure as that of the embodiment 1, and further includes a position adjusting unit in the embodiment, the position adjusting unit includes two small rollers 300 which are arranged in parallel on two radial sides of the roller 100, the top of the small roller 300 is used for placing the roller 100, and specifically, as shown in fig. 1, a pair of small rollers 300 are arranged on two sides of the bottom of the roller 100 in the embodiment, so that the support is more stable. The bottom of the small roller 300 is mounted on the fixed support, the small roller 300 is driven by the motor, the motor is connected with the PLC control center, when the detection is completed once, the small roller 300 rotates, so that the other surface to be detected of the roller 100 is contacted with the detection unit, the next detection can be smoothly performed, the whole detection process is smooth, the position of the roller 100 does not need to be manually adjusted, time and labor are saved, and the working efficiency is improved. Meanwhile, the detection points are fixed, so that the field environment is protected, the problem of disorderly placement of the rollers 100 during manual detection is avoided, and the field environmental pollution is reduced.

The bottom of carriage release lever 211 is provided with the fourth hydraulic stem that reciprocates in this embodiment, and the bottom of fourth hydraulic stem is fixed on the sliding part, and carriage release lever 211 is the up-and-down motion under the drive of fourth hydraulic stem, and then drives clamping part 214 up-and-down motion. As shown in fig. 5, in the present embodiment, the clamping portion 214 is a rectangular frame structure, and a third pressure sensor is disposed on an inner side wall of the bottom inner side of the clamping portion 214, which is in contact with the end portion 110 of the roll 100, and when the third pressure sensor detects that the clamping portion 214 is in contact with the end portion 110 of the roll 100 for supporting, a signal is sent to the PLC control center, so as to stop the movement of the fourth hydraulic rod, and complete the supporting of the end portion 110 of the roll 100, which can be adapted to the supporting and fixing of rolls 100 with different sizes, and the application range is wider. After the detection system of the embodiment operates for a period of time, data acquisition of various defects can be slowly accumulated, and the data can also be used for analyzing the requirements of the rolled steel on the roller 100, the grinding process requirements, the handling of accidents, the production of the roller 100 and the like through comparison and analysis of big data.

The examples of the utility model are only right the utility model discloses a preferred embodiment describes, and not right the utility model discloses design and scope are injectd, do not deviate from the utility model discloses under the prerequisite of design idea, the field engineering technical personnel are right the utility model discloses a various deformation and improvement that technical scheme made all should fall into the protection scope of the utility model.

Claims

1. The utility model provides an automatic change roll phased array detecting system which characterized in that: including removing detecting element (220), wherein remove detecting element (220) including the symmetry set up support piece (221) in roll (100) axial both ends (110) top, the relative inboard of both sides support piece (221) all is provided with connecting piece (222) of horizontal extension, both sides connecting piece (222) link to each other through the bolt structure, and the inside of connecting piece (222) is equipped with along roll (100) axial extension's slide rail, the cooperation is provided with slider (223) on the slide rail, the bottom of slider (223) is equipped with detecting element.

2. The automated roll phased array inspection system of claim 1, wherein: the roller clamping device is characterized by further comprising a clamping and fixing unit (210), wherein the clamping and fixing unit (210) comprises moving rods (211) symmetrically arranged on two axial sides of the roller (100), clamping portions (214) are arranged at the tops of the moving rods (211), the clamping portions (214) move in the direction close to or far away from the roller (100) under the driving of the moving rods (211), and supporting pieces (221) are arranged at the tops of the clamping portions (214).

3. The automated roll phased array inspection system of claim 2, wherein: one side of the sliding block (223) is connected with a first hydraulic rod (224) which extends horizontally, the end part of the first hydraulic rod (224) is fixed on the support piece (221) at one side, and the sliding block (223) moves along the axial direction of the roller (100) under the pushing of the first hydraulic rod (224).

4. The automated roll phased array inspection system of claim 3, wherein: the detection unit comprises a fixing piece (225) connected with the bottom of the sliding block (223), a second hydraulic rod (21) extending vertically is arranged in the fixing piece (225), a flexible detection surface (226) is arranged at the bottom of the second hydraulic rod (21), and a detection probe (242) is arranged on the flexible detection surface (226).

5. The automated roll phased array inspection system of claim 4, wherein: a first pressure sensor (23) is arranged at the bottom center position of the flexible detection surface (226), and the position of the first pressure sensor (23) corresponds to that of the second hydraulic rod (21).

6. The automated roll phased array inspection system of claim 5, wherein: detection parts (24) are arranged on two sides of the bottom of the flexible detection surface (226), the detection parts (24) comprise a detection probe (242) and a second pressure sensor (241) which are arranged up and down, and third hydraulic rods (22) which are pushed up and down are arranged at positions, corresponding to the detection parts (24) on the two sides, of the top of the flexible detection surface (226).

7. The automated roll phased array inspection system of claim 6, wherein: the bottom of the fixing piece (225) is provided with a fixing rod (227) which extends horizontally, the bottom of the second hydraulic rod (21) penetrates through the fixing rod (227) to be connected with the flexible detection surface (226), and the top of the third hydraulic rod (22) is fixed on two sides of the fixing rod (227).

8. The automated roll phased array inspection system of claim 2, wherein: the clamping and fixing unit (210) further comprises rails (213) symmetrically arranged on the outer sides of two axial end portions (110) of the roller (100), the rails (213) extend along the axial direction of the roller (100), sliding portions are arranged on the rails (213) in a matched mode, and moving rods (211) are arranged above the sliding portions.

9. The automated roll phased array inspection system of claim 8, wherein: a horizontally extending push rod (212) is arranged on one side of the movable rod (211), and the movable rod (211) is driven by the push rod (212) to move in a direction close to or far away from the roller (100).

10. The automated roll phased array inspection system of any one of claims 1 to 9, wherein: the roller positioning device further comprises a position adjusting unit, the position adjusting unit comprises two small rollers (300) which are arranged on two radial sides of the roller (100) in parallel, and the tops of the small rollers (300) are used for placing the roller (100).