High-precision pipeline welding seam ultrasonic nondestructive testing device

Abstract

The utility model discloses a high-precision pipeline welding seam ultrasonic nondestructive testing device, which relates to the technical field of pipeline welding seam detection and comprises a bottom plate, a supporting unit, a moving unit and a detecting unit. A supporting unit and a moving unit are installed at the upper end of the bottom plate. The supporting unit comprises hydraulic machines, supporting wheel fixing frames, supporting wheels, sliding grooves and limiting frames, the two hydraulic machines are fixedly connected to the front end and the rear end of the left side of the upper end of the bottom plate, the supporting wheel fixing frames are fixedly connected to the upper ends of the hydraulic machines, the supporting wheels are rotationally connected to the inner sides of the supporting wheel fixing frames, and the sliding grooves are formed in the middle of the left side of the bottom plate. The inner side of the sliding groove is slidably connected with a limiting frame. According to the high-precision pipeline welding seam ultrasonic nondestructive detection device, when one detection probe is damaged under the emergency condition, the rotating installation ring can still conduct detection, and detailed detection can be conducted on a pipeline through repeated movement.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline weld joint detection technical field, concretely is high accuracy pipeline weld joint ultrasonic nondestructive testing device. BACKGROUND

[0002] In city construction, a large number of underground drainage pipelines need to be laid, and large-diameter seamless steel pipes are usually used to form continuous pipelines by welding, in order to ensure the quality of the connection between the steel pipes, the welds of the steel pipes are detected after welding, and nondestructive testing is a commonly used detection method, which refers to the detection of a test piece without damaging the material and structure of the test piece.

[0003] In the prior art, when one detection probe is damaged in an emergency, the pipeline cannot be continuously detected, and detailed detection cannot be quickly performed when the pipeline welding is detected to be abnormal, therefore, the high-precision pipeline weld joint ultrasonic nondestructive testing device is provided. UTILITY MODEL CONTENT

[0004] The utility model solves the technical problem of overcoming the defects of the prior art and provides a high-precision pipeline weld joint ultrasonic nondestructive testing device, which can still perform detection when one detection probe is damaged in an emergency, can perform detailed detection on the pipeline by repeatedly moving, and can effectively solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a high-precision pipeline weld joint ultrasonic nondestructive testing device, comprising a bottom plate, a support unit, a moving unit and a detection unit.

[0006] The bottom plate is provided with the support unit and the moving unit at the upper end.

[0007] The support unit comprises a hydraulic machine, a support wheel fixing frame, a support wheel, a sliding groove and a limiting frame, two hydraulic machines are fixedly connected to the left side of the upper end of the bottom plate, the support wheel fixing frame is fixedly connected to the upper end of the hydraulic machine, the support wheel is rotatably connected to the inner side of the support wheel fixing frame, the sliding groove is formed in the middle of the left side of the bottom plate, and the limiting frame is slidably connected to the inner side of the sliding groove.

[0008] The detection unit is installed on the moving unit.

[0009] The hydraulic machine drives the support wheel fixing frame to lift, the support wheel supports the pipeline, and the sliding groove limits the limiting frame, so as to support the pipeline.

[0010] Further, the mobile unit comprises a dovetail-shaped sliding groove, a dovetail-shaped sliding block, a fixing frame and a threaded block, the upper end of the bottom plate is provided with a dovetail-shaped sliding groove on the right side, the inner side of the dovetail-shaped sliding groove is slidably connected with a dovetail-shaped sliding block, the upper end of the dovetail-shaped sliding block is fixedly connected with a fixing frame, and the front end of the fixing frame is fixedly connected with a threaded block. The dovetail-shaped sliding groove limits the dovetail-shaped sliding block, the fixing frame supports the fixing frame, the fixing frame fixes the detected equipment, and the threaded block moves under the action of the power device.

[0011] Further, the mobile unit further comprises a fixed seat, a motor, a motor fixing frame and a threaded rod, two fixed seats are fixedly connected to the upper end of the bottom plate, a threaded rod is rotatably connected between the two fixed seats, the threaded rod is threadedly connected with the threaded block, a motor fixing frame is fixedly connected to the upper end of the bottom plate, a motor is fixedly connected to the upper end of the motor fixing frame, and the output shaft of the motor is fixedly connected with one end of the dovetail-shaped sliding block. The motor fixing frame fixes the motor, the motor drives the threaded rod to rotate, the fixed seat supports the threaded rod, and the threaded rod drives the threaded block to move under the action of the thread, thereby achieving the purpose of detection.

[0012] Further, the detection unit comprises a display screen, a fixed column, a limiting fixing frame, a gear and a motor two, the upper end of the fixed column is fixedly connected with a display screen on the right side, the left end of the fixed column is fixedly connected with a fixed column, the left end of the fixed column is fixedly connected with a limiting fixing frame, the inner side of the limiting fixing frame is rotatably connected with a gear, the outer side of the limiting fixing frame is fixedly connected with a motor two, and the output shaft of the motor two is fixedly connected with the gear. The display screen displays the detection result, the fixed column fixes the limiting fixing frame, and the motor two drives the gear to rotate, thereby providing power to the detection device.

[0013] Further, the detection unit further comprises a mounting ring, an annular sliding groove, a gear ring and a detection probe, two annular sliding grooves are formed at the front and rear ends of the mounting ring, the outer side of the mounting ring is fixedly connected with a gear ring, the limiting fixing frame is slidably connected with the annular sliding groove, the upper end of the limiting frame is slidably connected with the annular sliding groove, the gear ring is engaged with the gear, and the inner side of the mounting ring is fixedly connected with a plurality of detection probes. The limiting frame supports the mounting ring, the gear is engaged with the gear ring to drive the mounting ring to rotate, and the detection probes can be used to detect some positions in detail. In an emergency, when one detection probe is damaged, the rotating mounting ring can still be used for detection.

[0014] Further, it also comprises a threaded support leg and a threaded foot pad, and the bottom plate is fixedly connected with a threaded support leg at the lower end of the four corners, and the lower end of the threaded support leg is threadedly connected with a threaded foot pad. Rotating the threaded foot pad can keep the bottom plate in a horizontal state.

[0015] Compared with the prior art, the high-precision pipeline weld ultrasonic nondestructive testing device has the following advantages:

[0016] 1、 The high-precision pipeline weld ultrasonic nondestructive testing device, through the support of the limiting frame to the mounting ring, through the meshing of the gear and the gear ring to drive the mounting ring to rotate, can be detailed detected by the detection probe to the part position, in the emergency case when one detection probe is damaged, the rotating mounting ring can still detect.

[0017] 2、 The high-precision pipeline weld ultrasonic nondestructive testing device, through the limiting of the dovetail-shaped sliding groove to the dovetail-shaped sliding block, through the fixing of the detection device by the fixing frame, through the movement of the threaded block under the action of the power device, through the repeated movement of the detection device to detect the pipeline in detail. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a structural schematic view of the utility model;

[0019] Figure 2 is a structural schematic view of the utility model Figure 1 A part enlarged structure schematic view in the utility model;

[0020] Figure 3 is a structural schematic view of the utility model Figure 1 B part enlarged structure schematic view in the utility model.

[0021] In the drawing: 1 bottom plate, 2 threaded support leg, 3 support unit, 31 hydraulic machine, 32 support wheel fixing frame, 33 support wheel, 34 sliding groove, 35 limiting frame, 4 movement unit, 41 dovetail-shaped sliding groove, 42 dovetail-shaped sliding block, 43 fixing frame, 44 threaded block, 45 fixed seat, 46 motor, 47 motor fixing frame, 48 threaded rod, 5 detection unit, 51 display screen, 52 fixed column, 53 limiting fixing frame, 54 gear, 55 motor two, 56 mounting ring, 57 annular sliding groove, 58 gear ring, 59 detection probe, 6 threaded foot pad. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Please refer to Figures 1-3The embodiment provides a technical scheme: a high-precision pipeline weld ultrasonic nondestructive testing device, which comprises a bottom plate 1, a supporting unit 3, a moving unit 4 and a detection unit 5.

[0024] The bottom plate 1 is provided with the supporting unit 3 and the moving unit 4 at the upper end.

[0025] The supporting unit 3 comprises hydraulic machines 31, supporting wheel fixing frames 32, supporting wheels 33, sliding grooves 34 and limiting frames 35, two hydraulic machines 31 are fixedly connected to the left side of the upper end of the bottom plate 1, the supporting wheel fixing frames 32 are fixedly connected to the upper end of the hydraulic machines 31, the supporting wheels 33 are rotationally connected to the inner side of the supporting wheel fixing frames 32, the sliding grooves 34 are formed in the left middle part of the bottom plate 1, and the limiting frames 35 are slidably connected to the inner side of the sliding grooves 34.

[0026] The detection unit 5 is installed on the moving unit 4.

[0027] The hydraulic machines 31 drive the supporting wheel fixing frames 32 to ascend and descend, the supporting wheels 33 support the pipeline, and the limiting frames 35 are limited by the sliding grooves 34, so that the pipeline is supported.

[0028] The moving unit 4 comprises dovetail-shaped sliding grooves 41, dovetail-shaped sliding blocks 42, fixing frames 43 and threaded blocks 44, the dovetail-shaped sliding grooves 41 are formed in the right side of the upper end of the bottom plate 1, the dovetail-shaped sliding blocks 42 are slidably connected to the inner side of the dovetail-shaped sliding grooves 41, the fixing frames 43 are fixedly connected to the upper end of the dovetail-shaped sliding blocks 42, and the threaded blocks 44 are fixedly connected to the front end of the fixing frames 43. The dovetail-shaped sliding blocks 42 are limited by the dovetail-shaped sliding grooves 41, the fixing frames 43 are supported by the dovetail-shaped sliding blocks 42, the equipment to be detected is fixed by the fixing frames 43, and the threaded blocks 44 move under the action of a power device.

[0029] The moving unit 4 further comprises fixing seats 45, motors 46, motor fixing frames 47 and threaded rods 48, the two fixing seats 45 are fixedly connected to the upper end of the bottom plate 1, the threaded rods 48 are rotationally connected between the two fixing seats 45, the threaded rods 48 are threadedly connected with the threaded blocks 44, the motor fixing frames 47 are fixedly connected to the upper end of the bottom plate 1, the motors 46 are fixedly connected to the upper end of the motor fixing frames 47, and one end of the dovetail-shaped sliding blocks 42 is fixedly connected to the output shaft of the motors 46. The motors 46 are fixed by the motor fixing frames 47, the threaded rods 48 are driven to rotate by the motors 46, the threaded rods 48 are supported by the fixing seats 45, the threaded rods 48 drive the threaded blocks 44 to move under the action of threads, and the purpose of detection is achieved.

[0030] The detection unit 5 comprises a display screen 51, a fixed column 52, a limiting fixed frame 53, a gear 54 and a motor two 55, the upper end right side of the fixed frame 43 is fixedly connected with the display screen 51, the left end of the fixed frame 43 is fixedly connected with the fixed column 52, the left end of the fixed column 52 is fixedly connected with the limiting fixed frame 53, the inner side of the limiting fixed frame 53 is rotatably connected with the gear 54, the outer side of the limiting fixed frame 53 is fixedly connected with the motor two 55, and the output shaft of the motor two 55 is fixedly connected with the gear 54. The display screen 51 displays the detection result, the fixed column 52 fixes the limiting fixed frame 53, and the motor two 55 drives the gear 54 to rotate, thereby providing power for the detection device.

[0031] The detection unit 5 further comprises a mounting ring 56, an annular sliding groove 57, a gear ring 58 and a detection probe 59, two annular sliding grooves 57 are formed in the front and rear ends of the mounting ring 56, the outer side of the mounting ring 56 is fixedly connected with the gear ring 58, the limiting fixed frame 53 is slidably connected with the annular sliding groove 57, the upper end of the limiting frame 35 is slidably connected with the annular sliding groove 57, the gear ring 58 is engaged with the gear 54, and the inner side of the mounting ring 56 is fixedly connected with a plurality of detection probes 59. The limiting frame 35 supports the mounting ring 56, the gear 54 and the gear ring 58 are engaged to drive the mounting ring 56 to rotate, and the detection probes 59 can be used to detect some positions in detail. In an emergency, when one detection probe 59 is damaged, the rotating mounting ring 56 can still perform detection.

[0032] The threaded support legs 2 and the threaded foot pads 6 are further included, the lower end of the bottom plate 1 is fixedly connected with the threaded support legs 2, and the lower end of the threaded support legs 2 is threadedly connected with the threaded foot pads 6. The threaded foot pads 6 are rotated to keep the bottom plate 1 in a horizontal state.

[0033] The working principle of the high-precision pipeline weld ultrasonic nondestructive testing device is as follows: the support wheel fixing frame 32 is driven by the hydraulic machine 31 to ascend and descend, the pipeline is supported by the support wheel 33, and the limiting frame 35 is limited by the sliding groove 34, so that the pipeline is supported. The dovetail-shaped sliding block 42 is limited by the dovetail-shaped sliding groove 41, the fixing frame 43 is supported by the dovetail-shaped sliding block 42, the equipment to be detected is fixed by the fixing frame 43, and the threaded block 44 moves under the action of the power device. The motor 46 is fixed by the motor fixing frame 47, the threaded rod 48 is driven by the motor 46 to rotate, the threaded rod 48 is supported by the fixed base 45, the threaded block 44 is driven by the threaded rod 48 to move under the action of the screw, and the purpose of detection is achieved. The display screen 51 displays the detection result, the limiting fixing frame 53 is fixed by the fixed column 52, the gear 54 is driven by the motor two 55 to rotate, and power is provided for the detection device. The mounting ring 56 is supported by the limiting frame 35, the mounting ring 56 is driven to rotate by the meshing of the gear 54 and the tooth ring 58, detailed detection can be performed on part positions by the detection probe 59, and when one detection probe 59 is damaged in an emergency, the rotating mounting ring 56 can still perform detection. The bottom plate 1 can keep in a horizontal state by rotating the threaded foot pad 6.

[0034] It is worth noting that the input ends of the motors 46 and 55 are electrically connected to the output ends of an external power supply through an external PLC controller, the motors 46 and 55 are both servo motors, and the external PLC controller controls the working of the motors 46 and 55 by using a method commonly used in the prior art.

[0035] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion or direct or indirect application in other related technical fields by using the contents of the utility model specification and drawings is also included in the patent protection range of the utility model.

Claims

1. A high-precision ultrasonic non-destructive testing device for pipe welds, characterized in that: It includes a base plate (1), a support unit (3), a moving unit (4), and a detection unit (5); Base plate (1): The upper end is equipped with a support unit (3) and a moving unit (4); Support unit (3): includes hydraulic press (31), support wheel fixing frame (32), support wheel (33), slide groove (34) and limit frame (35). Two hydraulic presses (31) are fixedly connected to the front and rear ends of the upper left side of the base plate (1). The upper end of the hydraulic press (31) is fixedly connected to the support wheel fixing frame (32). The support wheel fixing frame (33) is rotatably connected to the inner side of the support wheel fixing frame (32). The slide groove (34) is opened in the middle of the left side of the base plate (1). The limit frame (35) is slidably connected to the inner side of the slide groove (34). Detection unit (5): Installed on the mobile unit (4).

2. The high-precision ultrasonic non-destructive testing device for pipe welds according to claim 1, characterized in that: The moving unit (4) includes a dovetail groove (41), a dovetail slider (42), a fixing frame (43), and a threaded block (44). The upper right side of the base plate (1) is provided with a dovetail groove (41). The dovetail slider (42) is slidably connected to the inner side of the dovetail groove (41). The upper end of the dovetail slider (42) is fixedly connected to the fixing frame (43). The front end of the fixing frame (43) is fixedly connected to the threaded block (44).

3. The high-precision ultrasonic non-destructive testing device for pipe welds according to claim 1, characterized in that: The moving unit (4) also includes a fixed seat (45), a motor (46), a motor mounting bracket (47), and a threaded rod (48). Two fixed seats (45) are fixedly connected to the front and rear sides of the upper end of the base plate (1). A threaded rod (48) is rotatably connected between the two fixed seats (45). The threaded rod (48) is threadedly connected to a threaded block (44). A motor mounting bracket (47) is fixedly connected to the front side of the upper end of the base plate (1). A motor (46) is fixedly connected to the upper end of the motor mounting bracket (47). The output shaft of the motor (46) is fixedly connected to one end of a dovetail slider (42).

4. The high-precision ultrasonic non-destructive testing device for pipe welds according to claim 1, characterized in that: The detection unit (5) includes a display screen (51), a fixed column (52), a limiting fixing frame (53), a gear (54), and a second motor (55). The display screen (51) is fixedly connected to the upper right side of the fixed frame (43), the fixed column (52) is fixedly connected to the left end of the fixed frame (43), the limiting fixing frame (53) is fixedly connected to the left end of the fixed column (52), the gear (54) is rotatably connected to the inner side of the limiting fixing frame (53), and the second motor (55) is fixedly connected to the outer side of the limiting fixing frame (53). The output shaft of the second motor (55) is fixedly connected to the gear (54).

5. The high-precision ultrasonic non-destructive testing device for pipe welds according to claim 4, characterized in that: The detection unit (5) also includes a mounting ring (56), an annular groove (57), a toothed ring (58), and detection probes (59). The mounting ring (56) has two annular grooves (57) at its front and rear ends. The toothed ring (58) is fixedly connected to the outer side of the mounting ring (56). The limiting fixing bracket (53) is slidably connected to the annular groove (57). The upper end of the limiting bracket (35) is slidably connected to the annular groove (57). The toothed ring (58) meshes with the gear (54). Multiple detection probes (59) are fixedly connected to the inner side of the mounting ring (56).

6. The high-precision ultrasonic non-destructive testing device for pipe welds according to claim 1, characterized in that: It also includes threaded support legs (2) and threaded foot pads (6). The bottom four corners of the base plate (1) are fixedly connected with threaded support legs (2), and the bottom of the threaded support legs (2) is threadedly connected with threaded foot pads (6).

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