CN111319010A

CN111319010A - Detection device and detection method

Info

Publication number: CN111319010A
Application number: CN202010186721.1A
Authority: CN
Inventors: 王玉亮; 李欢; 詹超; 黄桂林; 孔令昌; 张彪; 杨新健; 占字林
Original assignee: Guangdong Inspection and Research Institute of Special Equipment Zhuhai Inspection Institute
Current assignee: Guangdong Inspection and Research Institute of Special Equipment Zhuhai Inspection Institute
Priority date: 2020-03-17
Filing date: 2020-03-17
Publication date: 2020-06-23

Abstract

The invention discloses a detection device, comprising: the detection device comprises a bracket for bearing a workpiece to be detected, an abutting part arranged on the bracket, a driving component for driving the abutting part to abut against the workpiece to be detected and a detection probe arranged on the abutting part, wherein the abutting part can enable a gap to be formed between the detection probe and the workpiece to be detected; by applying the detection device, the possibility of damage of detection equipment can be reduced while the detection effect is ensured; the invention also provides a detection method.

Description

Detection device and detection method

Technical Field

The invention relates to the field of special detection, in particular to a detection device and a detection method.

Background

In the existing production and installation site of large equipment, two sections of pipelines are often required to be connected in a girth welding mode, after the girth welding is completed, the welding seam is required to be detected so as to ensure the sealing performance of the welding seam, and the welding seam cannot be detected in a mode of damaging the welding seam.

For this reason, prior art proposes the rotatory round with the pipeline to at pipeline one side installation nondestructive test equipment and detect, in order to guarantee detection effect, detection equipment need be close to as far as with the pipeline, however the pipeline often can be out of shape for oval in welding process, leads to the pipeline to touch detection equipment at the rotation in-process, causes equipment damage.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a detection device and a detection method, which can ensure the detection effect and reduce the possibility of damage of detection equipment.

The detection device of one aspect of the present invention includes: the detection device comprises a support for bearing a workpiece to be detected, an abutting part arranged on the support, a driving component for driving the abutting part to abut against the workpiece to be detected and a detection probe arranged on the abutting part, wherein the abutting part can enable a gap to be reserved between the detection probe and the workpiece to be detected.

According to the detection device of the embodiment of the first aspect of the present invention, the abutting portion includes a roller capable of abutting the workpiece to be detected and rotating.

According to the detection device of the embodiment of the first aspect of the invention, the abutting part comprises the support rod, the support frame is provided with the limiting pipe sleeved around the sliding shaft, and the compression spring is connected between the limiting pipe and the sliding shaft.

According to the detection device of the embodiment of the first aspect of the present invention, the support is provided with a slide rail, and the abutting portion includes a slider slidably engaged with the slide rail.

According to the detection device of the embodiment of the first aspect of the invention, the bracket is rotatably connected with a rotating roller, and the rotating roller is used for bearing a workpiece to be detected.

According to the detecting device of the embodiment of the first aspect of the present invention, the rotating roller has a plurality.

According to the detection device of the embodiment of the first aspect of the invention, the bracket is provided with a driving mechanism, and the driving mechanism is in driving connection with at least one rotating roller.

According to the detection device of the embodiment of the first aspect of the invention, the driven sprocket is connected to the rotating roller, the driving mechanism is in driving connection with the driving sprocket, and the driving sprocket and the driven sprocket are connected through the chain.

According to the detecting device of the embodiment of the first aspect of the invention, the driving mechanism comprises a speed reducer connected with the rotating chain wheel, and the speed reducer is used for being connected with a driving motor.

The detection method of another aspect of the present invention comprises the steps of: placing a workpiece to be detected on a bracket; adjusting the driving part and the abutting part to enable the driving part to drive the abutting part to abut against the workpiece to be detected and enable a gap to be reserved between the detection probe and the workpiece to be detected; and controlling the detection probe to detect the workpiece to be detected.

When the detection device is used, a workpiece to be detected can be placed on the bracket firstly, so that the abutting part abuts against the workpiece to be detected under the driving of the driving part, and then the detection probe is controlled to detect the pipeline; because drive unit makes butt portion butt on waiting to detect the work piece in the testing process, butt portion can guarantee to have the clearance between monitor and the work piece of waiting to detect simultaneously for monitor can not take place to touch with waiting to detect the work piece under the prerequisite of guaranteeing the detection effect, reduces the possibility of test probe damage.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a cross-sectional view of a test device according to an embodiment of the present invention;

FIG. 2 is an isometric view of a sensing device according to an embodiment of the present invention;

FIG. 3 is an isometric view of another perspective of a detection device according to an embodiment of the present invention;

the figures contain the following reference numerals:

1. support, 2, fixing base, 3, slide rail, 4, live-rollers, 5, slider, 6, spacing pipe, 7, bracing piece, 8, butt portion, 9, gyro wheel, 10, test probe, 11, compression spring, 12, base, 13, actuating mechanism, 14, drive sprocket, 15, driven sprocket, 16, chain.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does 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.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1 to 3, a detection apparatus according to an aspect of the present embodiment includes: the detection device comprises a support 1 for bearing a workpiece to be detected, an abutting part 8 arranged on the support 1, a driving component for driving the abutting part 8 to abut against the workpiece to be detected and a detection probe 10 arranged on the abutting part 8, wherein the abutting part 8 can enable a gap to be formed between the detection probe 10 and the workpiece to be detected.

When the detection device of the embodiment is applied, when in use, a workpiece to be detected can be placed on the bracket 1, so that the abutting part 8 abuts against the workpiece to be detected under the driving of the driving part, and then the detection probe 10 is controlled to detect the pipeline; because the driving part enables the abutting part 8 to abut against the workpiece to be detected in the detection process, and meanwhile, the abutting part 8 can ensure that a gap is formed between the monitoring probe and the workpiece to be detected, the monitoring probe cannot touch the workpiece to be detected on the premise of ensuring the detection effect, and the possibility of damage to the detection probe 10 is reduced.

The workpiece to be detected can be a circular welded pipeline, and also can be products such as pipe fittings or other rod pieces in other shapes, and good detection effects can be obtained on the detection device of the embodiment as long as the workpiece to be detected has circumferential whole-circle detection requirements.

The driving component can drive the abutting part 8 to abut against the workpiece to be detected in various ways, for example, by arranging the blocking mechanism on the bracket 1, the blocking mechanism blocks the abutting part 8 from moving downwards under the abutting of the workpiece to be detected, so that the abutting part 8 stably abuts against the workpiece to be detected; the abutting portion 8 may abut against the workpiece to be inspected by a repulsive force of the magnets provided in the bracket 1 and the abutting portion 8, or the abutting portion 8 and the bracket 1 may be connected by an air spring.

It can be understood that the abutting portion 8 can have a gap between the detection probe 10 and the workpiece to be detected in various ways, for example, a protruding portion is provided at a portion of the abutting portion 8 located at the side of the detection probe 10, an extending portion of the protruding portion is closer to the workpiece to be detected than the detection probe, at this time, the protruding portion actually abuts against the workpiece to be detected all the time, and a gap is maintained between the detection probe 10 and the workpiece to be detected all the time; or a pad or the like capable of allowing a detection signal to pass therethrough is provided between the detection probe 10 and the workpiece to be detected.

It should be understood that the inspection probe 10 can be used to inspect a part to be inspected in a variety of ways, such as radiographic inspection, ultrasonic inspection, magnetic particle inspection, penetrant inspection, eddy current inspection, etc., according to the related art for non-destructive inspection.

As shown in fig. 1 and 2, the abutting portion 8 includes a roller 9, and the roller 9 can abut against the workpiece to be detected and rotate; when the workpiece to be detected rotates, the roller 9 can roll along with the friction of the workpiece to be detected, a certain gap is always kept between the monitoring probe and the workpiece to be detected, and the abrasion between the workpiece to be detected and the abutting part 8 is reduced on the premise that the monitoring probe is damaged possibly.

Wherein, can all set up gyro wheel 9 in 10 both sides of test probe for gyro wheel 9 with wait to detect and stabilize the butt between the part, also can set up the rubber sleeve on gyro wheel 9 surface and be used for the buffering to place the impact of waiting to detect the part.

As shown in fig. 1, the abutting part 8 further comprises a support rod 7, a limit tube 6 sleeved around the sliding shaft is arranged on the support 1, and a compression spring 11 is connected between the limit tube 6 and the sliding shaft; the limit tube 6 and the sliding shaft are matched to provide limit for the sliding of the abutting part 8, so that the detection probe 10 is prevented from being damaged due to the eccentric sliding of the abutting part 8; and the compression spring 11 can provide a force which enables the abutting part 8 and the bracket 1 to mutually repel, so that the abutting part 8 can abut against a workpiece to be detected under the driving of the compression spring 11.

As shown in fig. 1-3, a slide rail 3 is arranged on the bracket 1, and the abutting part 8 comprises a slide block 5 in sliding fit with the slide rail 3; as shown in fig. 2, when the detection position needs to be finely adjusted, the sliding block 5 is only required to be controlled to slide on the sliding rail 3, and a heavy workpiece to be detected does not need to be carried, so that the detection is facilitated.

Specifically, as shown in fig. 2, the limiting tube 6 is disposed on the sliding block 5 and slides with the sliding block 5.

As shown in fig. 2, in order to conveniently rotate the workpiece to be detected in the detection process, so that the detection probe 10 can detect the whole circumferential circle of the workpiece to be detected without rotating, the bracket 1 is rotatably connected with a rotating roller 4, and the rotating roller 4 is used for receiving the workpiece to be detected; when detecting, only need drive live-rollers 4 to rotate, can be so that to wait to detect the work piece and rotate, need not to carry again and wait to detect the part, can also make to detect the part rotational speed of waiting even when conveniently detecting for test probe 10 can fully detect each position of waiting to detect part circumference, avoids lou examining.

Further, rolling friction when the workpiece to be detected is rotated can be further reduced by the form of arranging the plurality of rotating rollers 4; as shown in fig. 3, fixing seats 2 are arranged on both sides of the bracket 1, and two rotating rollers 4 are arranged on each fixing seat 2.

As shown in fig. 3, a driving mechanism 13 is arranged on the bracket 1, and the driving mechanism 13 is in driving connection with at least one rotating roller 4; the driving mechanism 13 can drive the rotating roller 4 to rotate in various ways, for example, by arranging a motor, a hydraulic motor and other mechanisms to drive the rotating roller 4 to rotate; or manually rotate the drive roller by a mechanism such as a crank.

It should be understood that when one or more of the rotating rollers 4 is rotated by the driving mechanism 13, the member to be inspected is rotated therewith, and the remaining rotating rollers 4 are rotated together by the friction of the member to be inspected.

In order to enable the driving mechanism 13 and the rotating roller 4 to be arranged in parallel, the driving mechanism 13 is convenient to arrange, a driven sprocket 15 is connected to the rotating roller 4, a driving sprocket 14 is connected to the driving mechanism 13 in a driving mode, and the driving sprocket 14 and the driven sprocket 15 are connected through a chain 16; wherein, the chain 16 can effectively prevent the rotating mechanism from slipping and increase the maximum torque of the transmission mechanism.

Further, in order to prevent the starting torque when the rotating roller 4 rotates from being too large and difficult to rotate, the driving mechanism 13 includes a speed reducer connected with the rotating sprocket, and the speed reducer is used for connecting a driving motor; as shown in fig. 3, a base 12 is disposed on one side of the support 1, and a reducer is disposed on the base 12 and is drivingly connected to a driving sprocket 14.

The detection method in another aspect of this embodiment includes the following steps: placing a workpiece to be detected on the bracket 1; adjusting the driving part and the abutting part 8 to enable the driving part to drive the abutting part 8 to abut against the workpiece to be detected and enable a gap to be reserved between the detection probe 10 and the workpiece to be detected; and controlling the detection probe 10 to detect the workpiece to be detected.

In the step of controlling the detection probe 10 to detect, the rotating roller 4 can be driven to rotate, so that the component to be detected rotates under the friction action of the rotating roller 4, and the detection probe 10 can detect the circumferential whole circle of the workpiece to be detected on the premise of not moving.

Further, when will wait to detect the work piece and place on support 1, if the discovery waits to detect the position and has a little cheap like welding seam etc. can be through the mode of adjustment slider 5 slide position on slide rail 3 for test probe 10 can be to who detects the position, convenient detection.

In the detection process, in order to enable the detection probe 10 to be in a fixed position, that is, to detect the whole circumference of the circumferential direction of the workpiece to be detected, the detection process may further include controlling the driving device so that the driving device drives the at least one rotating roller 4 to rotate; at this time, the workpiece to be detected can rotate relative to the detection probe 10 under the driving of the rotating roller 4, so that the detection probe can detect the circumferential position of the workpiece to be detected in the whole circumference.

Further, when reverse detection is needed after the whole circumferential circle of the workpiece to be detected is detected, the driving device is controlled to rotate reversely.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. A detection device, comprising:

the support (1) is used for bearing a workpiece to be detected;

an abutment (8) provided on the bracket (1);

the driving component is used for driving the abutting part (8) to abut against the workpiece to be detected;

a detection probe (10) provided on the abutting portion (8);

the abutment (8) enables a clearance between the inspection probe (10) and the workpiece to be inspected.

2. The detection device according to claim 1, characterized in that the abutment portion (8) comprises a roller (9), the roller (9) being able to abut the workpiece to be detected and to rotate.

3. The detection device according to claim 1, wherein the abutting portion (8) comprises a support rod (7), a limiting tube (6) sleeved around the sliding shaft is arranged on the support (1), and a compression spring (11) is connected between the limiting tube (6) and the sliding shaft.

4. A detection device according to claim 1 or 3, wherein the bracket (1) is provided with a slide rail (3), and the abutment portion (8) comprises a slide block (5) which is slidably fitted with the slide rail (3).

5. The detection device according to claim 1, characterized in that a rotating roller (4) is rotatably connected to the support (1), and the rotating roller (4) is used for receiving the workpiece to be detected.

6. The detection device according to claim 5, wherein the rotating roller (4) has a plurality.

7. The detection device according to claim 6, characterized in that a drive mechanism (13) is arranged on the support (1), and the drive mechanism (13) is in driving connection with at least one of the turning rollers (4).

8. The detection device according to claim 7, characterized in that a driven sprocket (15) is connected to the rotating roller (4), a driving sprocket (14) is drivingly connected to the driving mechanism (13), and the driving sprocket (14) and the driven sprocket (15) are connected through a chain (16).

9. The detection device according to claim 8, characterized in that said driving mechanism (13) comprises a reducer associated with said rotating sprocket, said reducer being intended to be connected to a driving motor.

10. A method of detection, comprising the steps of:

placing a workpiece to be detected on a bracket (1);

adjusting a driving part and an abutting part (8) to enable the driving part to drive the abutting part (8) to abut against the workpiece to be detected and enable a gap to be reserved between a detection probe (10) and the workpiece to be detected;

and controlling the detection probe (10) to detect the workpiece to be detected.