Nondestructive testing device for metal pipeline

Abstract

The utility model relates to a metal pipeline nondestructive testing device which comprises a base and a detection head, the detection head is arranged above the base, movable blocks are arranged at the two ends of the top of the base, and an adjusting mechanism is arranged in the base; the adjusting mechanism comprises a double-shaft motor arranged at the bottom of an inner cavity of the base, and an output shaft of the double-shaft motor is provided with a first rotating rod. The device has the advantages that a metal pipeline is placed in the two rotating pipes and clamped and fixed through the clamping mechanism, the double-shaft motor is started, the double-shaft motor drives the first rotating rod and the first gear to rotate at the same time, the first gear drives the second gear and the second rotating rod to rotate together, and the metal pipeline is clamped and fixed through the clamping mechanism. A second gear drives a third gear to rotate together, and the third gear drives a rotating pipe and the metal pipeline to rotate together, so that the position of the metal pipeline is adjusted, a detection head can conveniently perform nondestructive detection on the circumferential direction of the metal pipeline, and the detection range of the metal pipeline is enlarged.

Description

TECHNICAL FIELD

[0001] The utility model relates to metal pipeline detection technical field, especially a kind of metal pipeline nondestructive testing device. BACKGROUND

[0002] Metal pipeline needs to be detected by metal pipeline nondestructive testing device before use, to prevent pipeline from being damaged, if damage is not discovered and handled in time, it can lead to serious safety accidents, the metal pipeline nondestructive testing device of prior art can adjust the position of clamp according to the length of metal pipeline during use, then the pipeline is clamped and fixed by clamp, but after being fixed to metal pipeline, it is difficult to rotate metal pipeline due to the large weight of metal pipeline, which limits the detection range of metal pipeline. SUMMARY

[0003] The utility model aims at providing a kind of metal pipeline nondestructive testing device, to solve the above problems existing in prior art.

[0004] The utility model solves the technical problems that the technical scheme is as follows:

[0005] A kind of metal pipeline nondestructive testing device, including base and detection head, the detection head is set to the top of the base, both ends of the base top are equipped with movable block, the inside of the base is equipped with adjusting mechanism;

[0006] The adjusting mechanism includes double-shaft motor being set to the bottom of the inner cavity of the base, the output shaft of the double-shaft motor is equipped with first rotary lever, one end of the first rotary lever away from the double-shaft motor is rotatably connected to the side wall of the inner cavity of the base by bearing, first gear is sleeved on the first rotary lever, and second rotary lever rotatably connected between the left and right ends of the opposite sides of the inner cavity of the movable block by bearing is further included, one end of the second rotary lever is equipped with second gear meshing with the first gear, and rotary tube rotatably connected to the inside of movable block is further included, one end of the rotary tube located in the inside of the movable block is equipped with third gear meshing with the second gear, and clamping mechanism is arranged in the rotary tube.

[0007] The utility model has the advantages that metal pipeline is placed in two rotary tubes, clamping mechanism is used to clamp and fix metal pipeline, double-shaft motor is started, first rotary lever and first gear are rotated simultaneously driven by double-shaft motor, second gear and second rotary lever are rotated together driven by first gear, and third gear is rotated together driven by second gear, third gear drives rotary tube and metal pipeline to rotate together, the position of metal pipeline is adjusted, the circumferential nondestructive testing of metal pipeline by detection head is facilitated, and the detection range of metal pipeline is increased.

[0008] On the basis of the above technical scheme, the utility model can also be improved as follows.

[0009] Further, vertical plates are arranged vertically on both ends of the top of the base, and an electric push rod is arranged on the side close to the movable block.

[0010] Further, two T-shaped blocks are arranged on the bottom of the movable block, and T-shaped grooves are arranged on the top of the base and matched with the T-shaped blocks.

[0011] Further, supporting rods, a top plate and a moving assembly are arranged, the supporting rods are arranged vertically on the four corners of the top of the base, the top plate is arranged horizontally on the top of the supporting rods, the moving assembly is arranged on the bottom of the top plate, and the detection head is arranged on the moving assembly.

[0012] Further, the moving assembly comprises fixed plates, a third motor, a screw rod, a limiting rod and a moving block, two fixed plates are arranged vertically on both ends of the bottom of the top plate, the third motor is arranged on the side of one fixed plate close to the supporting rod, the output shaft of the third motor is provided with a screw rod, one end of the screw rod away from the third motor is rotatably connected to the side of the other fixed plate through a bearing, and a moving block is threadedly connected to one end of the screw rod, the detection head is arranged on the bottom of the moving block, the limiting rod is arranged between the two fixed plates, and the moving block is slidably arranged on the outside of the limiting rod.

[0013] Further, the clamping mechanism comprises a second motor, a first bevel gear, a screw rod, a second bevel gear, moving plates, clamping blocks and slide rods, the second motor is arranged on the bottom of the inner cavity of the rotating pipe, the output shaft of the second motor is provided with the first bevel gear, the screw rod is rotatably connected between the front and rear ends of the opposite sides of the inner cavity of the rotating pipe through a bearing, the middle part of the screw rod is provided with the second bevel gear matched with the first bevel gear, the two ends of the screw rod are provided with reverse threads, the two ends of the screw rod are both provided with the moving plates connected in a threaded mode, the opposite sides of the two moving plates are both provided with the clamping blocks, the slide rods are arranged between the front and rear ends of the opposite sides of the inner cavity of the rotating pipe, and the moving plates are slidably arranged on the outside of the slide rods.

[0014] The above further beneficial effects are that the metal pipe is placed between the two clamping blocks, the second motor is started, the second motor drives the first bevel gear to rotate, the first bevel gear drives the second bevel gear and the screw rod to rotate together, the screw rod drives the two moving plates to move relative to each other, and the moving plates drive the clamping blocks to move, so that the metal pipe is clamped and fixed, and the rotation detection of the metal pipe is facilitated.

[0015] Further, the clamping blocks are in an arc shape matched with the metal pipe. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structure schematic view of the utility model;

[0017] Figure 2 It is the structure schematic view of the adjusting mechanism of the utility model;

[0018] Figure 3 It is the structure schematic view of the clamping mechanism of the utility model.

[0019] In the drawing, the component list represented by each sign is as follows:

[0020] 1, base, 2, movable block, 3, adjusting mechanism, 31, rotating pipe, 32, double-shaft motor, 33, first rotating rod, 34, first gear, 35, second rotating rod, 36, second gear, 37, vertical plate, 38, electric push rod, 39, third gear, 4, clamping mechanism, 41, second motor, 42, first bevel gear, 43, screw rod, 44, second bevel gear, 45, moving plate, 46, clamping block, 47, sliding rod, 5, support rod, 6, top plate, 7, moving assembly, 71, fixed plate, 72, third motor, 73, screw rod, 74, limiting rod, 75, moving block, 8, detection head. DETAILED DESCRIPTION

[0021] The principles and characteristics of the utility model are described below in combination with the drawings, and the examples are only used to explain the utility model and not used to limit the scope of the utility model.

[0022] Example 1

[0023] As Figure 1 and Figure 2 shown, a metal pipeline nondestructive testing device includes a base 1 and a detection head 8, the detection head 8 is arranged above the base 1, both ends of the top of the base 1 are provided with movable blocks 2, and the inside of the base 1 is provided with an adjusting mechanism 3.

[0024] The adjusting mechanism 3 includes a double-shaft motor 32 arranged at the bottom of the inner cavity of the base 1, the output shaft of the double-shaft motor 32 is provided with a first rotating rod 33, one end of the first rotating rod 33 away from the double-shaft motor 32 is rotatably connected to the side wall in the inner cavity of the base 1 through a bearing, the first rotating rod 33 is provided with a first gear 34, further including a second rotating rod 35 rotatably connected between the left and right ends of the inner cavity of the movable block 2, one end of the second rotating rod 35 is provided with a second gear 36 engaged with the first gear 34, further including a rotating pipe 31 rotatably connected to the inside of the movable block 2 through a bearing, one end of the rotating pipe 31 located in the inside of the movable block 2 is provided with a third gear 39 engaged with the second gear 36, and the rotating pipe 31 is provided with a clamping mechanism 4.

[0025] The metal pipeline is placed in the two rotating pipes 31, the metal pipeline is clamped and fixed by the clamping mechanism 4, the double-shaft motor 32 is started, the double-shaft motor 32 drives the first rotating rod 33 and the first gear 34 to rotate at the same time, the first gear 34 drives the second gear 36 and the second rotating rod 35 to rotate at the same time, and the second gear 36 drives the third gear 39 to rotate at the same time, the third gear 39 drives the rotating pipe 31 and the metal pipeline to rotate at the same time, the position of the metal pipeline is adjusted, the detection head 8 is convenient for nondestructive testing on the circumference of the metal pipeline, and the detection range of the metal pipeline is increased.

[0026] Embodiment 2

[0027] As shown in Figure 1 and Figure 2 , this embodiment is a further improvement on the basis of embodiment 1, specifically as follows:

[0028] Further comprising vertical plates 37 vertically arranged at the top of the base 1 at both ends, the side close to the movable block 2 of the vertical plate 37 is provided with an electric push rod 38, the output end of the electric push rod 38 is fixedly connected with the movable block 2, the movable block 2 is moved by the electric push rod 38, and the distance between the two movable blocks 2 is adjusted according to the length of the metal pipeline.

[0029] The bottom of the movable block 2 is provided with two T-shaped blocks, the top of the base 1 is provided with T-shaped grooves matched with the T-shaped blocks, the T-shaped blocks are slidably arranged in the T-shaped grooves, the stability of the movable block 2 during movement is increased, and the movable block 2 moves linearly left and right.

[0030] Embodiment 3

[0031] As shown in Figure 1 , this embodiment is a further improvement on the basis of embodiment 1, specifically as follows:

[0032] Further comprising a support rod 5, a top plate 6 and a moving assembly 7, the support rod 5 is vertically arranged at the top of the base 1 at four corners, the top plate 6 is horizontally arranged at the top of the support rod 5, the moving assembly 7 is arranged at the bottom of the top plate 6, and the detection head 8 is arranged on the moving assembly 7.

[0033] The moving assembly 7 comprises a fixed plate 71, a third motor 72, a screw rod 73, a limiting rod 74 and a moving block 75, two fixed plates 71 are vertically arranged at both ends of the bottom of the top plate 6, the third motor 72 is arranged at the side of one end fixed plate 71 close to the support rod 5, the output shaft of the third motor 72 is provided with the screw rod 73, one end of the screw rod 73 is rotatably connected to the side of the other end fixed plate 71 through a bearing, one end of the screw rod 73 is threadedly sleeved with the moving block 75, the detection head 8 is arranged at the bottom of the moving block 75, the limiting rod 74 is arranged between the two fixed plates 71, and the moving block 75 is slidably sleeved on the outside of the limiting rod 74.

[0034] The screw 73 is rotated by the third motor 72, and the screw 73 drives the moving block 75 to move left and right. The moving block 75 drives the detection head 8 to move together, so that the detection head 8 can detect the metal pipe. The moving block 75 is made to move left and right in a straight line by the limit rod 74, which increases the stability of the moving block 75 when it moves.

[0035] Example 4

[0036] like Figure 3 As shown, this embodiment is a further improvement on embodiment 1, as detailed below:

[0037] The clamping mechanism 4 includes a second motor 41, a first bevel gear 42, a lead screw 43, a second bevel gear 44, a moving plate 45, a clamping block 46, and a sliding rod 47. The second motor 41 is located at the bottom of the inner cavity of the rotating tube 31. The output shaft of the second motor 41 is equipped with the first bevel gear 42. The lead screw 43 is rotatably connected between the front and rear ends of opposite sides of the inner cavity of the rotating tube 31 via bearings. The middle part of the lead screw 43 is equipped with a second bevel gear 44 that meshes with the first bevel gear 42. Both ends of the lead screw 43 are provided with reverse threads. Both ends of the lead screw 43 are threadedly connected to the moving plate 45. The two moving plates 45... Each of the two opposing sides is provided with a clamping block 46, and a sliding rod 47 is located between the front and rear ends of the opposite side of the inner cavity of the rotating tube 31. A moving plate 45 is slidably sleeved on the outside of the sliding rod 47. The metal pipe is placed between the two clamping blocks 46, and the second motor 41 is started. The second motor 41 drives the first bevel gear 42 to rotate, which in turn drives the second bevel gear 44 and the lead screw 43 to rotate together. The lead screw 43 drives the two moving plates 45 to move relative to each other, and the moving plates 45 drive the clamping blocks 46 to move, thereby clamping and fixing the metal pipe and facilitating the rotation detection of the metal pipe.

[0038] The clamping block 46 is arc-shaped to fit the metal pipe. In practice, it is made of rubber to more stably clamp and fix the metal pipe.

[0039] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A metal pipe non-destructive testing apparatus characterized by comprising: Including base (1) and detection head (8), the detection head (8) is arranged on the top of the base (1), both ends of the top of the base (1) are equipped with movable block (2), the inside of the base (1) is equipped with adjusting mechanism (3); The adjusting mechanism (3) includes a double-shaft motor (32) arranged in the inner cavity of the base (1), the output shaft of the double-shaft motor (32) is provided with a first rotating rod (33), one end of the first rotating rod (33) away from the double-shaft motor (32) is rotatably connected to the side wall of the inner cavity of the base (1) through a bearing, a first gear (34) is sleeved on the first rotating rod (33), a second rotating rod (35) rotatably connected between the left and right ends of the inner cavity of the movable block (2) through a bearing is further included, one end of the second rotating rod (35) is provided with a second gear (36) engaged with the first gear (34), a rotating tube (31) rotatably connected to the inside of the movable block (2) through a bearing is further included, one end of the rotating tube (31) located in the inside of the movable block (2) is provided with a third gear (39) engaged with the second gear (36), and a clamping mechanism (4) is arranged in the rotating tube (31).

2. The apparatus for non-destructive testing of metal pipes according to claim 1, wherein Further including vertical plate (37) vertically arranged on both ends of the top of the base (1), the side of the vertical plate (37) close to the movable block (2) is provided with an electric push rod (38), and the output end of the electric push rod (38) is fixedly connected with the movable block (2).

3. The apparatus for non-destructive testing of metal pipes according to claim 2, wherein The bottom of the movable block (2) is provided with two T-shaped blocks, the top of the base (1) is provided with T-shaped grooves matched with the T-shaped blocks, and the T-shaped blocks are slidably sleeved in the T-shaped grooves.

4. The apparatus for non-destructive testing of metal pipes according to claim 1, wherein Further including support rods (5), a top plate (6) and a moving assembly (7), the support rods (5) are vertically arranged on the top of the base (1) at four corners, the top plate (6) is horizontally arranged on the top of the support rods (5), the moving assembly (7) is arranged on the bottom of the top plate (6), and the detection head (8) is arranged on the moving assembly (7).

5. The apparatus for non-destructive testing of metal pipes according to claim 4, characterized in that, The moving assembly (7) includes a fixed plate (71), a third motor (72), a screw rod (73), a limiting rod (74) and a moving block (75), two fixed plates (71) are vertically arranged at both ends of the bottom of the top plate (6), the third motor (72) is arranged on one side of one end of the fixed plate (71) close to the support rod (5), the output shaft of the third motor (72) is provided with a screw rod (73), one end of the screw rod (73) away from the third motor (72) is rotatably connected to one side of the other end of the fixed plate (71) through a bearing, one end of the screw rod (73) is threadedly sleeved with a moving block (75), the detection head (8) is arranged on the bottom of the moving block (75), the limiting rod (74) is arranged between the two fixed plates (71), and the moving block (75) is slidably sleeved on the outside of the limiting rod (74).

6. The apparatus for non-destructive testing of metal pipes according to claim 1, wherein The clamping mechanism (4) comprises a second motor (41), a first bevel gear (42), a lead screw (43), a second bevel gear (44), a moving plate (45), a clamping block (46) and a sliding rod (47), the second motor (41) is arranged at the bottom of the inner cavity of the rotating pipe (31), the output shaft of the second motor (41) is provided with the first bevel gear (42), the lead screw (43) is rotatably connected between the front and rear ends of the opposite sides of the inner cavity of the rotating pipe (31) through bearings, the middle part of the lead screw (43) is provided with the second bevel gear (44) engaged with the first bevel gear (42), the two ends of the lead screw (43) are provided with reverse threads, the two ends of the lead screw (43) are both threadedly connected with the moving plate (45), the opposite sides of the two moving plates (45) are both provided with the clamping block (46), the sliding rod (47) is arranged between the front and rear ends of the opposite sides of the inner cavity of the rotating pipe (31), and the moving plate (45) is slidably sleeved outside the sliding rod (47).

7. The apparatus of claim 6, wherein the apparatus is configured to determine the presence of a defect in the metal pipe based on the detected magnetic field. The clamping block (46) is arc-shaped and is adapted to the metal pipeline.

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