CN220751109U

CN220751109U - Pipe thickness gauge

Info

Publication number: CN220751109U
Application number: CN202322471435.1U
Authority: CN
Inventors: 徐楚珊; 张燕雷; 乡麒夫
Original assignee: Guangdong Suike Construction Engineering Testing Technology Service Co ltd
Current assignee: Guangdong Suike Construction Engineering Testing Technology Service Co ltd
Priority date: 2023-09-11
Filing date: 2023-09-11
Publication date: 2024-04-09
Anticipated expiration: 2033-09-11

Abstract

The utility model discloses a pipe thickness gauge, which comprises a detection box, wherein an inlet and an outlet for the pipe to enter and exit are respectively arranged at two ends of the detection box, the pipe thickness gauge also comprises a first centering mechanism, the first centering mechanism comprises a centering adjustment assembly and a centering detection assembly which are sequentially arranged along the advancing direction of the pipe, the centering detection assembly is connected with the centering adjustment assembly, the centering adjustment assembly and the centering detection assembly are both arranged in the detection box and are close to the inlet, the centering adjustment assembly comprises four roller bodies, four roller supports and four electric push rods which are in one-to-one correspondence, the roller bodies are rotatably connected to the roller supports, the roller supports are fixedly connected to the movable ends of the electric push rods, a fixing seat of each electric push rod is fixedly connected to the inner wall of the detection box, and the central axes of the movable ends of each electric push rod are intersected with the central axes of the inlet. And whether the pipe is centered or not is detected by the centering detection assembly, and the pipe is corrected and centered by the centering adjustment assembly, so that the corrected pipe is convenient for subsequent wall thickness detection.

Description

Pipe thickness gauge

Technical Field

The utility model relates to the field of pipe processing, in particular to a pipe thickness gauge.

Background

In order to ensure the uniformity of the pipe during production, the wall thickness of the pipe needs to be measured after the pipe is formed into a tubular structure through an extruder and a die, so that the thickness of the pipe is ensured to be within an error range. In prior art, there has been a device that can on-line measuring tubular product thickness, like the online thickness detection device for plastics tubular product that the application number is CN202223117327.6 discloses, including the detection case, detection case both ends are equipped with the through-hole that supplies tubular product to get into, be equipped with in the detection case and detect supporting mechanism, detect supporting mechanism and include the mounting panel, the mounting panel bottom is equipped with the mounting bracket, be equipped with the spacing roller on the mounting bracket, the mounting panel bottom is equipped with the probe frame, the probe of ultrasonic thickness gauge is installed on the probe frame, be equipped with the gag lever post on the mounting panel, be equipped with the through-hole that supplies the data line of gag lever post and ultrasonic thickness gauge to pass on the detection case, the cover is established the spring on the gag lever post, the spring sets up between detection case and mounting panel, the ultrasonic thickness gauge sets up in the detection case outside.

However, the above-mentioned on-line thickness detection device has a problem that if the data of the center point of the pipe is inaccurate, the quality of the pipe can be directly affected, and further, the wall thickness of the pipe can be inaccurate.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a pipe thickness gauge which can correct and center the pipe so as to improve the detection accuracy of the wall thickness in the detection process.

According to the pipe thickness gauge disclosed by the embodiment of the utility model, the pipe thickness gauge comprises a detection box and an ultrasonic detection mechanism, wherein an inlet and an outlet for a pipe to enter and exit are respectively formed in two ends of the detection box, the ultrasonic detection mechanism is arranged in the detection box, the pipe thickness gauge further comprises a first centering mechanism, the first centering mechanism comprises a centering adjustment assembly and a centering detection assembly which are sequentially arranged along the advancing direction of the pipe, the centering detection assembly is connected with the centering adjustment assembly, the centering adjustment assembly and the centering detection assembly are respectively arranged in the detection box and are close to the inlet, the centering adjustment assembly comprises four roller bodies, four roller supports and four electric push rods, the roller bodies are in one-to-one correspondence and are in rotary connection with the roller supports, the roller supports are fixedly connected with movable ends of the electric push rods, a fixing seat of the electric push rods is fixedly connected with the inner wall of the detection box, and the central axes of the movable ends of the electric push rods are intersected with the central axes of the inlet.

The pipe thickness gauge provided by the embodiment of the utility model has at least the following beneficial effects: and detecting whether the pipe is centered or not through the centering detection assembly, if not, triggering the electric push rod to move a corresponding distance so as to force the pipe to be corrected and centered, and the corrected pipe is convenient for subsequent wall thickness detection.

According to some embodiments of the utility model, four of the electric pushers are crisscross distributed around the central axis of the outlet.

The pipe thickness gauge provided by the embodiment of the utility model has at least the following beneficial effects: through cross distribution, can effectively fix a position and rectify the centering to the pipe.

According to some embodiments of the utility model, the centering detection assembly is four distance sensors, and the four distance sensors are respectively connected with the electric push rod in a one-to-one correspondence.

The pipe thickness gauge provided by the embodiment of the utility model has at least the following beneficial effects: and detecting the distances from four points on the pipe to the distance sensors through the four distance sensors, so as to determine whether the pipe is centered, and if not, triggering the corresponding electric push rod to move by the distance sensors to correspondingly distance so as to force the pipe to correct and center, wherein the corrected pipe is convenient for subsequent wall thickness detection.

According to some embodiments of the utility model, an L-shaped support is connected to a side of the fixing base away from the inlet, the L-shaped support includes a first rod body and a second rod body that are perpendicular to each other, the first rod body is parallel to the advancing direction of the pipe, the length direction of the second rod body is perpendicular to the central axis of the inlet, and the distance sensor is fixedly connected to an end of the second rod body away from the first rod body.

The pipe thickness gauge provided by the embodiment of the utility model has at least the following beneficial effects: through setting up L shape support, can improve distance sensor's detection direction and electric putter's movable end's direction of movement parallel to make detection direction and adjustment direction match, reduced the operation cost, provide the basis for the simplified structure and cost reduction.

According to some embodiments of the present utility model, the roller body is cut in a plane perpendicular to the central axis of the inlet, and the cross-sectional shape of the roller body is formed by two parallel straight line segments and two arc segments located in the two straight line segments, wherein the two arc segments are symmetrical about a connecting line between midpoints of the two straight line segments, and maximum curvature points of the two arc segments are both close to the connecting line between midpoints of the two straight line segments.

The pipe thickness gauge provided by the embodiment of the utility model has at least the following beneficial effects: through setting up concave gyro wheel body structure, can wrap up the surface of tubular product at tubular product removal in-process to can have more area of contact with the surface of tubular product and guarantee centering effect and not influence the removal of tubular product simultaneously again.

According to some embodiments of the utility model, the radius of the circle corresponding to the arc is greater than the radius of the pipe.

The pipe thickness gauge provided by the embodiment of the utility model has at least the following beneficial effects: through the design, the roller can be contacted with the outer surface of the pipe through the arc section, so that the smooth running of the pipe moving process is ensured.

According to some embodiments of the utility model, the pipe thickness gauge further comprises a second centering mechanism, the second centering mechanism is identical to the first centering mechanism in structure, the second centering mechanism is arranged in the detection box and is close to the outlet, and a centering adjustment component and a centering detection component of the second centering mechanism are sequentially arranged along the pipe advancing direction.

The pipe thickness gauge provided by the embodiment of the utility model has at least the following beneficial effects: through setting up second centering mechanism, two sets of centering mechanism collocations to guaranteed that the axis of tubular product in the testing process is parallel with the horizontal plane, thereby ensured the detection precision.

According to some embodiments of the utility model, the ultrasonic detection mechanism comprises an ultrasonic thickness gauge and a mounting seat, the mounting seat comprises an adjusting screw, a mounting plate and a probe support, one end of the adjusting screw is fixedly connected to the top of the mounting plate, the probe support is fixedly connected to the bottom of the mounting plate, the ultrasonic thickness gauge comprises a thickness gauge body and an ultrasonic probe connected with the thickness gauge body, the ultrasonic probe is fixedly connected to the probe support, a threaded hole for being in threaded connection with the adjusting screw is formed in the detection box, and the other end of the adjusting screw extends out of the detection box.

The pipe thickness gauge provided by the embodiment of the utility model has at least the following beneficial effects: the position of the ultrasonic probe can be adjusted by arranging the adjusting screw, so that pipes with different sizes are adapted.

According to some embodiments of the utility model, the mounting seat further comprises a plurality of guide rods, the detection box is provided with a plurality of through holes for the guide rods to penetrate and move, one end of each guide rod is fixedly connected with the mounting seat, and the other end of each guide rod extends out of the detection box.

The pipe thickness gauge provided by the embodiment of the utility model has at least the following beneficial effects: through setting up many guide arms, can guarantee the stability of mounting panel at adjustment screw thread lift in-process to and guarantee that the atress of mounting plate and adjustment screw distributes rationally.

According to some embodiments of the utility model, the detection box is made of transparent material for convenient observation.

The pipe thickness gauge provided by the embodiment of the utility model has at least the following beneficial effects: through setting up transparent material, can observe the condition of the tubular product in the detection case better and conveniently adjust ultrasonic detection mechanism.

Additional aspects and advantages of the utility model 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 utility model.

Drawings

The utility model is further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic structural diagram of a pipe thickness gauge according to an embodiment of the present utility model;

fig. 2 is a schematic structural diagram of a roller body of a pipe thickness gauge according to an embodiment of the present utility model;

fig. 3 is a schematic diagram of deviation correcting and centering of a roller body and a pipe of the pipe thickness gauge according to the embodiment of the utility model;

fig. 4 is a schematic structural diagram of a pipe thickness gauge according to another embodiment of the present utility model.

10. A detection box; 11. an inlet; 12. an outlet; 21. adjusting a screw; 22. a mounting plate; 23. a probe support; 24. a thickness gauge body; 25. an ultrasonic probe; 26. a guide rod; 27. a hand wheel; 31. a roller body; 32. a roller support; 33. an electric push rod; 34. a first rod body; 35. a second rod body; 40. a distance sensor; 50. a second centering mechanism; 60. and (5) a pipe.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed 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 utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1, the pipe thickness gauge according to the embodiment of the utility model comprises a detection box 10 and an ultrasonic detection mechanism, wherein an inlet 11 and an outlet 12 for a pipe 60 to enter and exit are respectively arranged at two ends of the detection box 10, the ultrasonic detection mechanism is arranged in the detection box 10, the pipe thickness gauge further comprises a first centering mechanism, the first centering mechanism comprises a centering adjustment assembly and a centering detection assembly which are sequentially arranged along the advancing direction of the pipe 60, the centering detection assembly is connected with the centering adjustment assembly, the centering adjustment assembly and the centering detection assembly are both arranged in the detection box 10 and are close to the inlet 11, the centering adjustment assembly comprises four roller bodies 31, four roller supports 32 and four electric push rods 33 which are in one-to-one correspondence, the roller bodies 31 are rotatably connected to the roller supports 32, the roller supports 32 are fixedly connected to movable ends of the electric push rods 33, a fixing seat of each electric push rod 33 is fixedly connected to the inner wall of the detection box 10, and the central axis of each movable end of each electric push rod 33 is intersected with the central axis of the inlet 11.

In actual use, the centering detection assembly detects whether the pipe 60 is centered, if not, the electric push rod 33 is triggered to move by a corresponding distance so as to force the pipe 60 to correct the centering, and the pipe 60 after correcting the centering is convenient for subsequent wall thickness detection.

According to some preferred embodiments of the present utility model, four electric pushers 33 are crisscrossed around the central axis of the outlet 12. By the cross-shaped distribution, the pipe 60 can be effectively positioned and corrected and centered. Specifically, through cross distribution, can carry out spacing to tubular product 60 through four-point location to carry out subsequent correction centering work.

According to some embodiments of the present utility model, the centering detection assembly is four distance sensors 40, and the four distance sensors 40 are respectively connected to the electric push rod 33 in a one-to-one correspondence manner. The distances from four points on the pipe 60 to the distance sensors 40 are detected through the four distance sensors 40, so that whether the pipe 60 is centered or not is determined, if not, the corresponding electric push rod 33 is triggered through the distance sensors 40 to move a corresponding distance, so that the pipe 60 is forced to be corrected and centered, and the pipe 60 after correction and centering is convenient for subsequent wall thickness detection.

In particular, the distance sensor 40 may be an optical distance sensor 40 or an infrared distance sensor 40. The electric push rod 33, the optical distance sensor 40 and the infrared distance sensor 40 can all refer to the tool book to obtain the corresponding model according to the requirement and purchase on the market, and the specific working principle and the specific structure thereof belong to the prior art and are not described herein.

According to some preferred embodiments of the present utility model, an L-shaped support is connected to a side of the fixing base away from the inlet 11, the L-shaped support includes a first rod 34 and a second rod 35 perpendicular to each other, the first rod 34 is parallel to the advancing direction of the pipe 60, the length direction of the second rod 35 is perpendicular to the central axis of the inlet 11, and the distance sensor 40 is fixedly connected to an end of the second rod 35 away from the first rod 34. By providing the L-shaped support, the detection direction of the distance sensor 40 can be improved to be parallel to the movement direction of the movable end of the electric push rod 33, so that the detection direction is matched with the adjustment direction, the operation cost is reduced, and a foundation is provided for simplifying the structure and reducing the cost.

Further, referring to fig. 2 and 3, the roller body 31 is cut in a plane perpendicular to the central axis of the inlet 11, the cross-sectional shape of the roller body 31 is composed of two parallel straight line segments and two arc segments located in the two straight line segments, the two arc segments are symmetrical with respect to a connecting line between midpoints of the two straight line segments, and maximum curvature points of the two arc segments are all close to the connecting line between midpoints of the two straight line segments. Through setting up concave gyro wheel body 31 structure, can wrap up the surface of tubular product 60 at tubular product 60 removal in-process to can have more area of contact with tubular product 60's surface and guarantee centering effect and not influence tubular product 60's removal simultaneously again.

More preferably, the radius of the circle corresponding to the arc segment is greater than the radius of the tube 60. By the design, the roller can be contacted with the outer surface of the pipe 60 through the arc section, so that the smooth running of the moving process of the pipe 60 is ensured.

According to some preferred embodiments of the present utility model, referring to fig. 4, the pipe thickness gauge further includes a second centering mechanism 50 having the same structure as the first centering mechanism, the second centering mechanism 50 being disposed in the inspection box 10 adjacent to the outlet 12, and a centering adjustment assembly and a centering inspection assembly of the second centering mechanism 50 being disposed in sequence along the advancing direction of the pipe 60. By providing the second centering mechanism 50, the two sets of centering mechanisms are matched, thereby ensuring that the central axis of the pipe 60 in the detection process is parallel to the horizontal plane, and further ensuring the detection accuracy.

According to some embodiments of the present utility model, referring to fig. 1 and 4, the ultrasonic detection mechanism includes an ultrasonic thickness gauge and a mounting base, the mounting base includes an adjusting screw 21, a mounting plate 22 and a probe support 23, one end of the adjusting screw 21 is fixedly connected to the top of the mounting plate 22, the probe support 23 is fixedly connected to the bottom of the mounting plate 22, the ultrasonic thickness gauge includes a thickness gauge body 24 and an ultrasonic probe 25 connected with the thickness gauge body 24, the ultrasonic probe 25 is fixedly connected to the probe support 23, a threaded hole for threaded connection with the adjusting screw 21 is formed in the detection box 10, and the other end of the adjusting screw 21 extends out of the detection box 10. The position of the ultrasonic probe 25 can be adjusted by providing the adjusting screw 21, thereby adapting to the pipe 60 of different sizes.

Specifically, the ultrasonic thickness gauge is not an improvement key point of the application, and can be a thickness measuring technical means commonly used in the prior art, and the ultrasonic thickness gauge can be obtained by consulting a tool book according to the need to obtain a corresponding model and purchasing the corresponding model on the market, and the specific structure and principle of the ultrasonic thickness gauge are not repeated herein.

Preferably, a hand wheel 27 is connected to the other end of the adjusting screw 21. The adjustment screw 21 can be rotated more lightly by providing the hand wheel 27.

According to some embodiments of the present utility model, the mounting base further includes a plurality of guide rods 26, the detection box 10 is provided with a plurality of through holes for the guide rods 26 to penetrate and move, one end of each guide rod 26 is fixedly connected with the mounting base, and the other end of each guide rod 26 extends out of the detection box 10. Specifically, the guide rods 26 are uniformly distributed on the mounting base, and the through holes are correspondingly formed.

By arranging a plurality of guide rods 26, the stability of the mounting plate 22 in the process of lifting the threads of the adjusting screw 21 can be ensured, and the reasonable stress distribution of the mounting plate and the adjusting screw 21 can be ensured.

According to some embodiments of the present utility model, the detection chamber 10 is a transparent material for ease of viewing. By providing the transparent material, the condition of the pipe 60 in the inspection box 10 can be observed better and the ultrasonic inspection mechanism can be adjusted conveniently.

Specifically, the transparent material may be glass or transparent plastic, which is a common technical solution in the prior art, and will not be described herein.

Working principle: taking the central axis of the inlet 11 as a base line, when the distance sensors 40 detect that the central axis distance of the inlet 11 is the same, the standard pipe 60 is input into the detection box 10, and the distance from the detected point on the pipe 60 to the distance sensor 40 is within the allowable error range; for the actual pipe 60 input into the detection box 10, if the actual pipe 60 is not centered, the distance between the point on the pipe 60 and the distance sensor 40 is not within the allowable range of error, and at this time, the electric push rod 33 moves correspondingly to make the pipe 60 be centered in a rectifying manner, so that the same position of the following pipe 60 to the ultrasonic probe 25 is ensured.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims

1. The utility model provides a tubular product thickness gauge, includes detection case (10) and ultrasonic detection mechanism, the both ends of detection case (10) are equipped with respectively and supply import (11) and export (12) of tubular product (60) business turn over, ultrasonic detection mechanism set up in detection case (10), a serial communication port, tubular product thickness gauge still includes first centering mechanism, first centering mechanism include along centering adjustment subassembly and centering detection subassembly that tubular product (60) advancing direction set gradually, centering detection subassembly with centering adjustment subassembly is connected, centering adjustment subassembly with centering detection subassembly all set up in detection case (10) and be close to import (11), centering adjustment subassembly includes four gyro wheel bodies (31), four gyro wheel supports (32) and four electric putter (33) of one-to-one, gyro wheel body (31) rotate and are connected on gyro wheel support (32), gyro wheel support (32) fixed connection in on the movable end of electric putter (33), electric putter (33) fixed connection in on each electric putter's (10) axis with the fixing base (33) of crossing each electric putter.

2. Tube thickness gauge according to claim 1, characterized in that four of the electric pushers (33) are crisscross distributed around the central axis of the outlet (12).

3. The pipe thickness gauge according to claim 2, wherein the centering detection assembly is four distance sensors (40), and the four distance sensors (40) are respectively connected with the electric push rod (33) in a one-to-one correspondence manner.

4. A pipe thickness gauge according to claim 3, wherein the side of the fixing base away from the inlet (11) is connected with an L-shaped support, the L-shaped support comprises a first rod body (34) and a second rod body (35) which are perpendicular to each other, the first rod body (34) is parallel to the advancing direction of the pipe (60), the length direction of the second rod body (35) is perpendicular to the central axis of the inlet (11), and the distance sensor (40) is fixedly connected to one end of the second rod body (35) away from the first rod body (34).

5. The pipe thickness gauge according to claim 4, wherein the roller body (31) is sectioned in a plane perpendicular to a central axis of the inlet (11), a cross-sectional shape of the roller body (31) is composed of two parallel straight line segments and two arc segments located in the two straight line segments, the two arc segments are symmetrical about a line connecting a midpoint of the two straight line segments, and maximum curvature points of the two arc segments are both close to a line connecting a midpoint of the two straight line segments.

6. The pipe thickness gauge of claim 5, wherein the radius of the circle corresponding to the arc segment is greater than the radius of the pipe (60).

7. The pipe thickness gauge according to any one of claims 1-6, further comprising a second centering mechanism (50), the second centering mechanism (50) being of the same structure as the first centering structure, the second centering structure being disposed in the detection box (10) and proximate to the outlet (12), a centering adjustment assembly and a centering detection assembly of the second centering mechanism (50) being disposed in sequence along a pipe (60) advancing direction.

8. The pipe thickness gauge according to claim 1, wherein the ultrasonic detection mechanism comprises an ultrasonic thickness gauge and a mounting seat, the mounting seat comprises an adjusting screw (21), a mounting plate (22) and a probe support (23), one end of the adjusting screw (21) is fixedly connected to the top of the mounting plate (22), the probe support (23) is fixedly connected to the bottom of the mounting plate (22), the ultrasonic thickness gauge comprises a thickness gauge body (24) and an ultrasonic probe (25) connected with the thickness gauge body (24), the ultrasonic probe (25) is fixedly connected to the probe support (23), a threaded hole for being in threaded connection with the adjusting screw (21) is formed in the detection box (10), and the other end of the adjusting screw (21) extends out of the detection box (10).

9. The pipe thickness gauge according to claim 8, wherein the mounting base further comprises a plurality of guide rods (26), the detection box (10) is provided with a plurality of through holes for the guide rods (26) to penetrate and move, one end of each guide rod (26) is fixedly connected with the mounting base, and the other end of each guide rod (26) extends out of the detection box (10).

10. The pipe thickness gauge according to claim 1, characterized in that the detection box (10) is of transparent material for easy observation.