Ultrasonic nondestructive testing equipment for pipeline crack detection

Abstract

The utility model discloses ultrasonic nondestructive testing equipment for pipeline crack detection, and relates to the technical field of pipeline crack detection. The pipeline detection device comprises a bottom frame, a conveying mechanism is fixedly arranged at the upper end of the bottom frame and used for conveying the pipeline, two supports are fixedly arranged at the upper end of the conveying mechanism, a detection mechanism used in cooperation with the conveying mechanism is jointly arranged on one sides of the opposite faces of the two supports, and the detection mechanism is used for detecting the pipeline. The detection mechanism comprises a detection plate, an air cylinder is arranged below the detection plate, a moving plate is fixedly arranged at the output end of the air cylinder, a push rod is fixedly arranged on one side of the moving plate, and a rotating plate is arranged on the outer surface of the push rod. The ultrasonic nondestructive testing equipment can well scan and detect the surface of a pipeline through the conveying mechanism, and the ultrasonic nondestructive testing equipment can well convey the pipeline through the conveying mechanism.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline crack detection, in particular to an ultrasonic nondestructive detection device for pipeline crack detection. Background Art

[0002] Ultrasonic testing equipment is mainly used to detect the welding quality of metal materials such as plates, steel structures, boiler pressure vessels, (thermal, pressure) pipelines, machinery, etc., such as: steel structure T-shaped fillet welds, flat welds, butt welds, single-sided welds, double-sided welds, cracks, etc.

[0003] However, the prior art still has the following problems:

[0004] Firstly, when ultrasonic non-destructive testing equipment in the prior art is used to detect cracks in pipelines, most of the ultrasonic non-destructive testing equipment cannot scan and detect the pipeline surface well, which makes it easy for the ultrasonic non-destructive testing equipment to fail to detect the pipeline properly.

[0005] Secondly, when ultrasonic non-destructive testing equipment in the prior art is used to detect cracks in pipelines, most of the ultrasonic non-destructive testing equipment cannot transport the pipeline well, resulting in the ultrasonic non-destructive testing equipment being unable to move when moving the pipeline.

[0006] In view of the above problems, the inventor proposes an ultrasonic nondestructive testing device for pipeline crack detection to solve the above problems. Utility Model Content

[0007] In order to solve the problem that most ultrasonic nondestructive testing equipment cannot scan and detect the pipeline surface well and most ultrasonic nondestructive testing equipment cannot transmit the pipeline well; the purpose of the utility model is to provide an ultrasonic nondestructive testing equipment for pipeline crack detection.

[0008] In order to solve the above technical problems, the utility model adopts the following technical solutions: an ultrasonic nondestructive testing device for pipeline crack detection, comprising a base frame, a transmission mechanism is fixedly provided on the upper end of the base frame, the transmission mechanism is used to transmit the pipeline, two brackets are fixedly provided on the upper end of the transmission mechanism, one side of the opposite surfaces of the two brackets is jointly provided with a detection mechanism used in conjunction with the transmission mechanism, the detection mechanism is used to detect the pipeline, the detection mechanism comprises a detection plate, a cylinder is provided below the detection plate, a moving plate is fixedly provided at the output end of the cylinder, a push rod is fixedly provided on one side of the moving plate, and the push rod A rotating plate is provided on the outer surface of the detection plate, a push groove for cooperating with the push rod is provided on one side of the rotating plate, a rotating rod is fixedly provided on one side of the rotating plate, and an ultrasonic detection device is fixedly provided on the outer surface of the rotating rod. The ultrasonic detection device is a prior art device for detecting cracks in pipelines, which will not be elaborated here. A movable card plate is fixedly provided at the lower end of the detection plate, and a movable groove for cooperating with the movable plate is provided at the lower end of the movable card plate. A rotating frame is fixedly provided at the lower end of the detection plate, and both sides of the rotating frame are slidably fitted with the outer surface of the rotating rod, and a rotating groove for cooperating with the rotating plate is provided at the lower end of the detection plate.

[0009] Preferably, the conveying mechanism includes a conveying frame, a motor is provided on one side of the conveying frame, a driving rod is fixedly provided on the output end of the motor, a driving gear is fixedly provided on the outer surface of the driving rod, a chain is meshed and connected on the outer surface of the driving gear, a driven gear is meshed and connected on the inner surface of the chain, a driven rod is fixedly provided on the inner surface of the driven gear, two positioning rods are provided on both sides of the inner surface of the conveying frame for rotating together, conveying wheels are fixedly provided on the outer surfaces of the two positioning rods, the driving rod and the driven rod, a protective shell used in conjunction with the chain is fixedly provided on one side of the conveying frame, a supporting frame is fixedly provided on one side of the motor, and one side of the supporting frame is fixedly connected to one side of the protective shell, and the four conveying wheels are all made of rubber.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] 1. The utility model uses the detection mechanism, under the action of the cylinder, when the ultrasonic nondestructive testing equipment is testing the pipeline, it can reciprocate to scan the pipeline, so that the ultrasonic nondestructive testing equipment can scan and detect the pipeline surface well;

[0012] 2. The utility model uses a transmission mechanism, under the action of a motor, when the ultrasonic nondestructive testing equipment is transmitting the pipeline, the pipeline can be stably moved, thereby realizing that the ultrasonic nondestructive testing equipment can transmit the pipeline well. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a schematic diagram of the structure of the utility model.

[0015] Figure 2 It is a cross-sectional schematic diagram of the detection mechanism of the utility model.

[0016] Figure 3 It is a cross-sectional schematic diagram of the transmission mechanism of the utility model.

[0017] In the figure: 1, base frame; 2, detection mechanism; 3, transmission mechanism; 4, bracket; 20, detection plate; 21, cylinder; 22, moving plate; 23, rotating frame; 24, ultrasonic detection equipment; 25, rotating rod; 26, rotating plate; 27, push slot; 28, rotating slot; 29, push rod; 201, moving slot; 202, moving card plate; 30, transmission frame; 31, chain; 32, driven rod; 33, driven gear; 34, protective shell; 35, motor; 36, support frame; 37, driving gear; 38, positioning rod; 39, driving rod; 301, transmission wheel. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] Embodiment 1: Figure 1-2 As shown, the utility model provides an ultrasonic nondestructive testing device for pipeline crack detection, including a base frame 1, a transmission mechanism 3 is fixedly provided on the upper end of the base frame 1, two brackets 4 are fixedly provided on the upper end of the transmission mechanism 3, and a detection mechanism 2 used in conjunction with the transmission mechanism 3 is commonly provided on one side of the opposite surfaces of the two brackets 4, and the detection mechanism 2 includes a detection plate 20, a cylinder 21 is provided below the detection plate 20, a moving plate 22 is fixedly provided at the output end of the cylinder 21, a push rod 29 is fixedly provided on one side of the moving plate 22, a rotating plate 26 is provided on the outer surface of the push rod 29, a push groove 27 used in conjunction with the push rod 29 is opened on one side of the rotating plate 26, a rotating rod 25 is fixedly provided on one side of the rotating plate 26, and an ultrasonic detection device 24 is fixedly provided on the outer surface of the rotating rod 25.

[0020] By using the detection mechanism 2 on one side of the bracket 4, the cylinder 21 under the detection plate 20 is started, so that the cylinder 21 can drive the movable plate 22 to slide and limit in the movable groove 201 on the movable card plate 202, so that the movable plate 22 can drive the push rod 29 to slide in the push groove 27 on the rotating plate 26 and drive the rotating plate 26 to rotate. The rotating plate 26 is slid and limited in the rotating groove 28, so that the rotating plate 26 can drive the ultrasonic detection equipment 24 on the rotating rod 25 to turn, and can be limited by the rotating frame 23. The ultrasonic detection equipment 24 is a prior art equipment for detecting pipeline cracks, which will not be elaborated here, so that the ultrasonic non-destructive testing equipment can scan and detect the pipeline surface well.

[0021] A movable card plate 202 is fixedly provided at the lower end of the detection plate 20, and a movable groove 201 for use with the movable plate 22 is opened at the lower end of the movable card plate 202. A rotating frame 23 is fixedly provided at the lower end of the detection plate 20, and both sides of the rotating frame 23 are slidably fitted with the outer surface of the rotating rod 25. A rotating groove 28 for use with the rotating plate 26 is opened at the lower end of the detection plate 20.

[0022] The moving plate 22 can be slidably limited through the moving groove 201 on the moving clamping plate 202 , the rotating rod 25 can be limited through the rotating frame 23 , and the rotating plate 26 can be slidably limited through the rotating groove 28 .

[0023] Embodiment 2: Figure 3 As shown, the conveying mechanism 3 includes a conveying frame 30, a motor 35 is provided on one side of the conveying frame 30, a driving rod 39 is fixedly provided at the output end of the motor 35, a driving gear 37 is fixedly provided on the outer surface of the driving rod 39, a chain 31 is meshedly connected to the outer surface of the driving gear 37, a driven gear 33 is meshedly connected to the inner surface of the chain 31, a driven rod 32 is fixedly provided on the inner surface of the driven gear 33, two positioning rods 38 are provided on both sides of the inner surface of the conveying frame 30 for rotating together, and a conveying wheel 301 is fixedly provided on the outer surfaces of the two positioning rods 38, the driving rod 39 and the driven rod 32.

[0024] The motor 35 in the support frame 36 on one side of the conveying frame 30 is started through the conveying mechanism 3 on the base frame 1, so that the motor 35 can drive the driving rod 39 to rotate, so that the driving rod 39 can drive the chain 31 to rotate through the driving gear 37, and the chain 31 can drive the driven rod 32 to rotate through the driven gear 33, so that the conveying wheels 301 on the outer surfaces of the driving rod 39 and the driven rod 32 can cooperate with the conveying wheel 301 on the outer surface of the positioning rod 38 to stably move the pipeline, thereby realizing that the ultrasonic non-destructive testing equipment can well convey the pipeline.

[0025] A protective shell 34 used in conjunction with the chain 31 is fixedly disposed on one side of the conveying frame 30 , a supporting frame 36 is fixedly disposed on one side of the motor 35 , and one side of the supporting frame 36 is fixedly connected to one side of the protective shell 34 , and the four conveying wheels 301 are all made of rubber.

[0026] The chain 31 can be protected during rotation by a protective shell 34, and the motor 35 can be fixed on one side of the protective shell 34 by a support frame 36. The transmission wheel 301 is made of rubber material, which can better increase the friction between the transmission wheel and the pipeline, thereby improving the transmission efficiency.

[0027] Working principle: through the detection mechanism 2 on one side of the bracket 4, the cylinder 21 under the detection plate 20 is started, so that the cylinder 21 can drive the moving plate 22 to slide and limit in the moving groove 201 on the moving card plate 202, so that the moving plate 22 can drive the push rod 29 to slide in the push groove 27 on the rotating plate 26 and drive the rotating plate 26 to rotate. The rotating plate 26 is slid and limited in the rotating groove 28, so that the rotating plate 26 can drive the ultrasonic detection device 24 on the rotating rod 25 to turn, and can be limited by the rotating frame 23. The ultrasonic detection device 24 is a prior art device for detecting pipeline cracks, which will not be elaborated here, so that the ultrasonic non-destructive testing device can scan and detect the pipeline surface well;

[0028] The moving plate 22 can be slidably limited through the moving groove 201 on the moving clamping plate 202, the rotating rod 25 can be limited through the rotating frame 23, and the rotating plate 26 can be slidably limited through the rotating groove 28;

[0029] The motor 35 in the support frame 36 on one side of the conveying frame 30 is started through the conveying mechanism 3 on the bottom frame 1, so that the motor 35 can drive the driving rod 39 to rotate, so that the driving rod 39 can drive the chain 31 to rotate through the driving gear 37, and the chain 31 can drive the driven rod 32 to rotate through the driven gear 33, so that the conveying wheels 301 on the outer surfaces of the driving rod 39 and the driven rod 32 can cooperate with the conveying wheels 301 on the outer surface of the positioning rod 38 to stably move the pipeline, so that the ultrasonic non-destructive testing equipment can well convey the pipeline;

[0030] The chain 31 can be protected during rotation by a protective shell 34, and the motor 35 can be fixed on one side of the protective shell 34 by a support frame 36. The transmission wheel 301 is made of rubber material, which can better increase the friction between the transmission wheel and the pipeline, thereby improving the transmission efficiency.

[0031] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. An ultrasonic nondestructive testing device for pipeline crack detection, comprising a base frame (1), characterized in that: A conveying mechanism (3) is fixedly provided at the upper end of the base frame (1), two brackets (4) are fixedly provided at the upper end of the conveying mechanism (3), and a detection mechanism (2) used in conjunction with the conveying mechanism (3) is commonly provided on one side of the opposite surfaces of the two brackets (4); The detection mechanism (2) comprises a detection plate (20), a cylinder (21) is provided below the detection plate (20), a movable plate (22) is fixedly provided at the output end of the cylinder (21), a push rod (29) is fixedly provided on one side of the movable plate (22), a rotating plate (26) is provided on the outer surface of the push rod (29), a push groove (27) for use with the push rod (29) is provided on one side of the rotating plate (26), a rotating rod (25) is fixedly provided on one side of the rotating plate (26), and an ultrasonic detection device (24) is fixedly provided on the outer surface of the rotating rod (25).

2. The ultrasonic nondestructive testing equipment for pipeline crack detection according to claim 1, characterized in that: The conveying mechanism (3) comprises a conveying frame (30), a motor (35) is provided on one side of the conveying frame (30), a driving rod (39) is fixedly provided at the output end of the motor (35), a driving gear (37) is fixedly provided on the outer surface of the driving rod (39), a chain (31) is meshedly connected to the outer surface of the driving gear (37), a driven gear (33) is meshedly connected to the inner surface of the chain (31), a driven rod (32) is fixedly provided on the inner surface of the driven gear (33), two positioning rods (38) are jointly rotatably provided on both sides of the inner surface of the conveying frame (30), and a conveying wheel (301) is fixedly provided on the outer surfaces of the two positioning rods (38), the driving rod (39) and the driven rod (32).

3. The ultrasonic nondestructive testing equipment for pipeline crack detection according to claim 1, characterized in that: A movable card plate (202) is fixedly provided at the lower end of the detection plate (20), and a movable groove (201) for use in conjunction with the movable plate (22) is provided at the lower end of the movable card plate (202).

4. The ultrasonic nondestructive testing equipment for pipeline crack detection according to claim 1, characterized in that: A rotating frame (23) is fixedly provided at the lower end of the detection plate (20), and both sides of the rotating frame (23) are slidably fitted with the outer surface of the rotating rod (25).

5. The ultrasonic nondestructive testing equipment for pipeline crack detection according to claim 1, characterized in that: The lower end of the detection plate (20) is provided with a rotation groove (28) for use in conjunction with the rotation plate (26).

6. The ultrasonic nondestructive testing equipment for pipeline crack detection according to claim 2, characterized in that: A protective shell (34) used in conjunction with the chain (31) is fixedly provided on one side of the conveying frame (30).

7. The ultrasonic nondestructive testing equipment for pipeline crack detection according to claim 2, characterized in that: A support frame (36) is fixedly provided on one side of the motor (35), and one side of the support frame (36) is fixedly connected to one side of the protective shell (34).

8. The ultrasonic nondestructive testing equipment for pipeline crack detection according to claim 2, characterized in that: The four transmission wheels (301) are all made of rubber.

Images