CN216694748U

CN216694748U - Geometric dimension detection device for pipeline weld joint detection

Info

Publication number: CN216694748U
Application number: CN202220002667.5U
Authority: CN
Inventors: 茹建刚; 孔德振; 王学森; 吴锡源
Original assignee: Tianjin Da'an Te Engineering Testing Co ltd
Current assignee: Tianjin Da'an Te Engineering Testing Co ltd
Priority date: 2022-01-04
Filing date: 2022-01-04
Publication date: 2022-06-07
Anticipated expiration: 2032-01-04

Abstract

The utility model belongs to the field of welding seam detection instruments, and particularly relates to a geometric dimension detection device for pipeline welding seam detection, which comprises a supporting mechanism and a detection mechanism, wherein the detection mechanism comprises a scale rod and a baffle plate, the scale rod is fixed on the supporting mechanism, the baffle plate is sleeved and fixed at the bottom end of the scale rod, and a measurement sliding sleeve is sleeved on the baffle plate in an elastic sliding manner; the guide wheel and the measuring wheel are in contact with the pipe wall, at the moment, the position of the measuring sliding sleeve on the scale rod is measured to be a starting position scale numerical value, then the measuring wheel is placed on the welding seam surface, the whole device rotates along the pipe wall for a circle, the position scale numerical value of the measuring sliding sleeve on the scale rod is observed and subtracted from the starting position scale numerical value, the difference value is the height difference value of the welding seam and the pipe wall, the supporting pipe is rotated to be parallel to the scale rod, the ultrasonic side thickness probe on the supporting pipe is always in contact with the welding seam, the whole device rotates along the pipe wall for a circle, and the thickness of the welding seam is detected for a circle.

Description

Geometric dimension detection device for pipeline weld joint detection

Technical Field

The utility model relates to the field of welding seam detection instruments, in particular to a geometric dimension detection device for pipeline welding seam detection.

Background

When the conveying pipeline is laid, the joint of adjacent pipelines needs to be welded, welding rods are adopted for filling during welding, the welded welding seam is higher than the surface of the pipeline, the height difference value of the welding seam and the pipeline needs to be detected, whether the detection difference value is located in a qualified interval is detected, and it is guaranteed that the follow-up hoop can be stably buckled at the welding seam.

The existing geometric dimension detection device for detecting the pipeline welding seam has a single detection numerical value, only can detect the whole diameter of the welding seam, cannot detect the difference value between each part of the welding seam and the height of the pipe wall, and has certain limitation in detection. Therefore, the geometric dimension detection device for detecting the weld of the pipeline is provided by the technical personnel in the field, so as to solve the problems in the background technology.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a geometric dimension detection device for detecting a pipeline welding seam, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a pipeline welding seam detects uses geometric dimensions detection device, includes supporting mechanism and detection mechanism, detection mechanism includes scale rod and baffle, the scale rod is fixed supporting mechanism is last, the retaining wall cover is established and is fixed the bottom of scale rod, elastic sliding sleeve is equipped with the measurement sliding sleeve on the baffle, the lateral wall of measuring the sliding sleeve is fixed with the linking arm, the linking arm is kept away from the one end of measuring the sliding sleeve is rotated through locking mechanism and is connected with the dead lever, fixedly connected with fixed arm on the dead lever, the bottom of fixed arm is rotated and is connected with the measuring wheel, go back fixedly connected with stay tube on the dead lever, the stay tube is kept away from the thick probe of one end fixedly connected with ultrasonic wave side of dead lever.

As a still further scheme of the utility model: the telescopic type telescopic rod is characterized in that a second spring is sleeved on the scale rod, a cover plate is fixed at the top end of the scale rod, one end of the second spring is connected with the threo search cover plate, and the other end of the second spring is fixedly connected with the measuring sliding sleeve.

As a still further scheme of the utility model: the supporting mechanism comprises a supporting rod and a guide wheel which is connected to the bottom end of the supporting rod in a rotating mode, a connecting sliding sleeve is sleeved on the supporting rod in an elastic sliding mode, two symmetrically-arranged supporting arms are fixed on the connecting sliding sleeve, the supporting wheel is connected to the bottom end of each supporting arm in a rotating mode, and the scale rod is fixed to the top end of the supporting rod.

As a still further scheme of the utility model: the utility model discloses a guide wheel, including the bracing piece, the bracing piece is equipped with first spring on the cover, the bracing piece is close to the one end of leading wheel is fixed with the limiting plate, the bottom of first spring with limiting plate fixed connection, the top of first spring with connect sliding sleeve fixed connection.

As a still further scheme of the utility model: finger sleeves are fixed on the side walls of the two support arms.

As a still further scheme of the utility model: the locking mechanism comprises a first rotary disc and a second rotary disc which are connected through a connecting shaft in a mutually rotating mode, a screw rod penetrates through the first rotary disc in a threaded mode, the first rotary disc is coaxially fixed with the fixing rod, and the second rotary disc is coaxially fixed with the connecting arm.

As a still further scheme of the utility model: and a hand wheel is coaxially fixed at one end of the screw rod.

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

when the height difference between the welding seam and the pipe wall is measured, the fixed rod is rotated, the fixed arm is rotated to be parallel to the scale rod, then the supporting wheels at the bottom ends of the two support arms are contacted with the pipe wall, meanwhile, the guide wheel is also contacted with the pipe wall, then the measuring wheel is also contacted with the pipe wall, at the moment, the position of the measuring sliding sleeve on the scale rod is the initial position scale value, then the measuring wheel is placed on the welding seam surface, the whole device is rotated along the pipe wall for a circle, the position scale value of the measuring sliding sleeve on the scale rod is observed and subtracted from the initial position scale value, the difference value is the height difference between the welding seam and the pipe wall, when the thickness of the welding seam needs to be detected, the fixed rod is rotated, the support pipe is rotated to be parallel to the scale rod, under the action of the second spring, the ultrasonic side thickness probe on the support pipe is always contacted with the welding seam, and the whole device is rotated along the pipe wall for a circle, and detecting the thickness of one circle of the welding seam.

Drawings

FIG. 1 is a schematic structural diagram of a geometric dimension inspection device for inspecting a weld joint of a pipeline;

FIG. 2 is a side view of a geometry inspection device for pipeline weld inspection;

fig. 3 is a schematic structural diagram of a locking mechanism in the geometric dimension detection device for detecting the weld joint of the pipeline.

In the figure: 1. a support mechanism; 11. a support bar; 12. a guide wheel; 13. connecting a sliding sleeve; 14. a support arm; 141. finger stall; 15. a support wheel; 16. a first spring; 17. a limiting plate; 2. a detection mechanism; 21. a graduated rod; 211. a second spring; 212. a cover plate; 22. a baffle plate; 23. measuring the sliding sleeve; 24. a connecting arm; 25. fixing the rod; 26. a fixed arm; 27. a measuring wheel; 28. supporting a tube; 29. an ultrasonic side thickness probe; 3. a locking mechanism; 31. a first turntable; 32. a second turntable; 33. a screw; 331. a handwheel.

Detailed Description

Referring to fig. 1 to 3, in an embodiment of the present invention, a geometric dimension detecting apparatus for detecting a pipeline weld includes a supporting mechanism 1 and a detecting mechanism 2, the detecting mechanism 2 includes a scale rod 21 and a baffle 22, the scale rod 21 is fixed on the supporting mechanism 1, the baffle 22 is fixed at the bottom end of the scale rod 21 in a sleeving manner, a measuring sliding sleeve 23 is elastically and slidably sleeved on the baffle 22, a connecting arm 24 is fixed on a side wall of the measuring sliding sleeve 23, one end of the connecting arm 24 away from the measuring sliding sleeve 23 is rotatably connected with a fixing rod 25 through a locking mechanism 3, the fixing rod 25 is fixedly connected with a fixing arm 26, the bottom end of the fixing arm 26 is rotatably connected with a measuring wheel 27, the fixing rod 25 is further fixedly connected with a supporting tube 28, and one end of the supporting tube 28 away from the fixing rod 25 is fixedly connected with an ultrasonic side thickness probe 29.

In the embodiment, when the height difference between the welding seam and the pipe wall is measured, the fixing rod 25 is rotated, the fixing arm 26 is rotated to be parallel to the scale rod 21, then the supporting wheel 15 at the bottom end of the two support arms 14 is contacted with the pipe wall, meanwhile, the guide wheel 12 is also contacted with the pipe wall, the guide wheel 12 automatically slides and adjusts according to the diameter of the pipe, then the measuring wheel 27 is also contacted with the pipe wall, and the axes of the measuring wheel 27, the supporting wheel 15 and the guide wheel 12 are all parallel to the axis of the pipe, at the moment, the position of the measuring sliding sleeve 23 on the scale rod 21 is observed to be the initial position scale value, then the measuring wheel 27 is placed on the welding seam surface, a person can rotate the whole device along the pipe wall by a circle, the measuring wheel 27 is always attached to the surface of the welding seam under the action of the second spring 211, the guide wheel 12 is always attached to the outer wall of the pipe under the action of the first spring 16, and the diameter of the pipe is fixed, the initial position scale numerical value is unchanged, the position scale numerical value of the sliding sleeve 23 on the scale rod 21 is measured through observation, the initial position scale numerical value is subtracted from the initial position scale numerical value, the difference value is the height difference value between the welding line and the pipe wall, a circle of the welding line is detected, when the thickness of the welding line needs to be detected, the ultrasonic side thickness probe 29 is connected with external signal processing equipment, the fixing rod 25 is rotated, the supporting pipe 28 is rotated to be parallel to the scale rod 21, under the action of the second spring 211, the ultrasonic side thickness probe 29 on the supporting pipe 28 is always in contact with the welding line, the device is integrally rotated along the circle of the pipe wall, and the thickness of the circle of the welding line is detected.

In fig. 1 and 2: the cover is equipped with second spring 211 on the scale bar 21, and the top of scale bar 21 is fixed with apron 212, and the one end and the su of second spring 211 are connected fox apron 212, and the other end and the measuring sliding sleeve 23 fixed connection of second spring 211, when the device is whole to rotate along the pipeline, under the effect of second spring 211, measuring wheel 27 hugs closely all the time on the welding seam surface, guarantees to detect the precision.

In fig. 1 and 2: supporting mechanism 1 includes bracing piece 11 and rotates guide wheel 12 of connection at its bottom, the elastic sliding cover is equipped with connecting sliding sleeve 13 on the bracing piece 11, be fixed with two symmetrical arrangement's support arm 14 on connecting sliding sleeve 13, the bottom of support arm 14 all rotates and is connected with supporting wheel 15, scale bar 21 is fixed on the bracing piece 11 top, with the supporting wheel 15 and the pipe wall contact of two support arm 14 bottoms, and simultaneously, guide wheel 12 also with take over the wall contact, guide wheel 12 and connecting sliding sleeve 13 adjust according to the pipeline diameter relative slip by oneself, and make the axis of bracing piece 11 and scale bar 21 and pipeline perpendicular.

In fig. 2: the cover is equipped with first spring 16 on the bracing piece 11, and the bracing piece 11 is close to the one end of leading wheel 12 and is fixed with limiting plate 17, first spring 16's bottom and limiting plate 17 fixed connection, first spring 16's top and connecting sliding sleeve 13 fixed connection, and when the device was whole to rotate along the pipeline, under first spring 16's effect, leading wheel 12 hugged closely all the time on the pipeline, guaranteed the detection precision.

In fig. 2: the finger stall 141 is fixed on the side wall of each of the two support arms 14, when the device is integrally rotated, fingers can be inserted into the finger stall 141 to rotate, and the use is convenient.

In fig. 1 and 3: locking mechanism 3 includes first carousel 31 and the second carousel 32 of connecting through the mutual rotation of connecting axle, the spiro union has run through screw rod 33 on the first carousel 31, first carousel 31 and the coaxial fixed of dead lever 25, second carousel 32 and the coaxial fixed of linking arm 24, the coaxial hand wheel 331 that is fixed with of one end of screw rod 33, when dead lever 25 rotates and adjusts to appointed angle, through the rotatory screw rod 33 on the first carousel 31 of hand wheel 331, make screw rod 33 crimping on second carousel 32, make first carousel 31 and the unable relative rotation of second carousel 32, thereby it is spacing to lock dead lever 25.

The working principle of the utility model is as follows: when measuring the height difference between the welding seam and the pipe wall, the fixed rod 25 is rotated, the fixed arm 26 is rotated to be parallel to the scale rod 21, then the supporting wheels 15 at the bottom ends of the two support arms 14 are contacted with the pipe wall, meanwhile, the guide wheel 12 is also contacted with the pipe wall, the guide wheel 12 automatically slides and adjusts according to the diameter of the pipe, then the measuring wheel 27 is also contacted with the pipe wall, at the moment, the position of the measuring sliding sleeve 23 on the scale rod 21 is observed to be a starting position scale value, then the measuring wheel 27 is placed on the welding seam surface, a person can rotate the whole device along the pipe wall for one circle, under the action of the second spring 211, the measuring wheel 27 is always attached to the surface of the welding seam, under the action of the first spring 16, the guide wheel 12 is always attached to the outer wall of the pipe, because the diameter of the pipe is fixed, the starting position scale value is not changed, through observing the position scale value of the measuring sliding sleeve 23 on the scale rod 21, and subtracting the initial position scale value, wherein the difference is the height difference between the welding seam and the pipe wall, detecting one circle of the welding seam, when the thickness of the welding seam needs to be detected, connecting the ultrasonic side thickness probe 29 with external signal processing equipment, rotating the fixed rod 25, rotating the supporting pipe 28 to be parallel to the scale rod 21, and under the action of the second spring 211, enabling the ultrasonic side thickness probe 29 on the supporting pipe 28 to be always in contact with the welding seam, rotating the whole device along one circle of the pipe wall, and detecting the thickness of one circle of the welding seam.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.

Claims

1. The utility model provides a pipeline is geometric dimensions detection device for welding seam detects, a serial communication port, including supporting mechanism (1) and detection mechanism (2), detection mechanism (2) include scale bar (21) and baffle (22), scale bar (21) are fixed on supporting mechanism (1), baffle (22) cover is established and is fixed the bottom of scale bar (21), elastic sliding sleeve is equipped with and measures sliding sleeve (23) on baffle (22), the lateral wall of measuring sliding sleeve (23) is fixed with linking arm (24), linking arm (24) are kept away from the one end of measuring sliding sleeve (23) is rotated through locking mechanism (3) and is connected with dead lever (25), fixedly connected with fixed arm (26) on dead lever (25), the bottom of fixed arm (26) is rotated and is connected with measuring wheel (27), still fixedly connected with stay tube (28) on dead lever (25), one end of the supporting tube (28) far away from the fixing rod (25) is fixedly connected with an ultrasonic lateral thick probe (29).

2. The geometric dimension detection device for detecting the welding seam of the pipeline as claimed in claim 1, wherein a second spring (211) is sleeved on the scale rod (21), a cover plate (212) is fixed at the top end of the scale rod (21), one end of the second spring (211) is connected with the Su search fox cover plate (212), and the other end of the second spring (211) is fixedly connected with the measuring sliding sleeve (23).

3. The geometric dimension detection device for detecting the welding seam of the pipeline as claimed in claim 1, wherein the support mechanism (1) comprises a support rod (11) and a guide wheel (12) rotatably connected to the bottom end of the support rod, a connection sliding sleeve (13) is elastically and slidably sleeved on the support rod (11), two symmetrically arranged support arms (14) are fixed on the connection sliding sleeve (13), the bottom ends of the support arms (14) are rotatably connected with support wheels (15), and the scale rod (21) is fixed to the top end of the support rod (11).

4. The geometric dimension detection device for detecting the weld joint of the pipeline as claimed in claim 3, wherein the support rod (11) is sleeved with a first spring (16), a limiting plate (17) is fixed at one end of the support rod (11) close to the guide wheel (12), the bottom end of the first spring (16) is fixedly connected with the limiting plate (17), and the top end of the first spring (16) is fixedly connected with the connecting sliding sleeve (13).

5. The geometry detecting device for detecting the welding seam of the pipeline as claimed in claim 3, wherein finger sleeves (141) are fixed on the side walls of the two support arms (14).

6. The geometry detecting device for detecting the weld joint of the pipeline as claimed in claim 1, wherein the locking mechanism (3) comprises a first rotating disc (31) and a second rotating disc (32) which are rotatably connected with each other through a connecting shaft, a screw (33) penetrates through the first rotating disc (31) in a threaded manner, the first rotating disc (31) is coaxially fixed with the fixing rod (25), and the second rotating disc (32) is coaxially fixed with the connecting arm (24).

7. The geometry detecting device for detecting the weld joint of the pipeline as claimed in claim 6, wherein a hand wheel (331) is coaxially fixed at one end of the screw rod (33).