Search

CN-121977133-A - Device and method for detecting inner wall of aluminum alloy pipe

CN121977133ACN 121977133 ACN121977133 ACN 121977133ACN-121977133-A

Abstract

The invention relates to the field of pipe inner wall detection, in particular to an aluminum alloy pipe inner wall detection device and method, comprising a workbench, wherein a thimble rotating seat used for clamping two ends of a workpiece is arranged on the workbench, a placement assembly is arranged between the two thimble rotating seats, the side end of the placement assembly is provided with an identification assembly and is positioned on one thimble rotating seat, a detection device is arranged below the identification assembly, an auxiliary assembly is arranged on the detection device, and the detection device comprises a synchronization assembly and a recording assembly. The invention can automatically adjust the position of the detection needle according to the diameter of the shaft part through the work of the identification component and the detection device, and can intuitively display the unqualified area at the same time, thereby greatly improving the practicability and the detection efficiency.

Inventors

  • SUN CHAO
  • GAO GUOYUN
  • WEI GUANGHUA
  • MI SHUANG
  • XUAN QILONG

Assignees

  • 中航三林铝业有限公司

Dates

Publication Date
20260505
Application Date
20260302

Claims (8)

  1. 1. An aluminum alloy pipe inner wall detection device comprises a driving seat (1); the automatic detection device is characterized in that a control component (2) is arranged at the side end of the driving seat (1), a moving component (4) for moving is uniformly arranged around the control component (2), a reaction component (5) is arranged on the moving component (4), a matching component (6) is arranged at the side end of the reaction component (5), and a detection component (7) for detecting the inner wall is arranged at one side of the matching component (6).
  2. 2. The device for detecting the inner wall of the aluminum alloy pipe according to claim 1, wherein the control assembly (2) comprises mounting seats (21) symmetrically arranged at the side ends of the driving seat (1); sliding rods (22) are uniformly distributed around the two mounting seats (21), and driving motors (23) are arranged at the side ends of the mounting seats (21); The output end of the driving motor (23) is connected with the end part of the driving shaft (24); Four driving rollers (25) are sleeved on the driving shaft (24), and the four driving rollers (25) are connected with each other; each driving roller (25) is provided with an arc chute (26), and the arrangement angles of the four arc chute (26) are staggered.
  3. 3. The device for detecting the inner wall of the aluminum alloy pipe according to claim 2, wherein the driving roller (25) is provided with a sliding frame (27) in a sliding manner, and the periphery of the sliding frame (27) is sleeved on the sliding rod (22) through a sliding block (28) and is in sliding fit with the sliding rod; clamping rollers (29) are symmetrically arranged in each sliding frame (27), and one end, far away from the sliding frame (27), of each clamping roller (29) is embedded in the corresponding arc-shaped sliding groove (26) and is in sliding fit with the corresponding arc-shaped sliding groove; wherein the side ends of the sliding blocks (28) on the sliding frames (27) at the two ends are provided with auxiliary frames (30), and the tops of the sliding blocks (28) on the sliding frames (27) in the middle are provided with oblique frames (31) and matching frames (32).
  4. 4. The device for detecting the inner wall of the aluminum alloy pipe according to claim 3, wherein the moving assembly (4) comprises three first connecting rods (41), and the three first connecting rods (41) are respectively hinged on an auxiliary frame (30) far away from the driving motor (23) and two matching frames (32); The other end of the first connecting rod (41) is hinged with the hinge bracket (42), and second connecting rods (43) are symmetrically arranged on two sides of the first connecting rod (41); the end part of the second connecting rod (43) is coaxially hinged with the hinge part of the first connecting rod (41) and the hinge frame (42), and the other end of the second connecting rod (43) is respectively hinged at two sides of the inclined frame (31) and the other auxiliary frame (30); and a spring damping telescopic rod (44) is arranged on one side, far away from the sliding frame (27), of the hinged frame (42), and the telescopic end of the spring damping telescopic rod (44) is connected with the movable frame (45).
  5. 5. The apparatus for inspecting an inner wall of an aluminum alloy pipe according to claim 4, wherein the reaction module (5) comprises a reaction frame (51) provided on a movable frame (45); a control frame (52) is arranged in the reaction frame (51) in a sliding manner, and the control frame (52) is movably connected with the inner wall of the reaction frame (51) through a spring telescopic rod (53); A reaction wheel (54) is hinged to one side, far away from the spring telescopic rod (53), of the control frame (52), and a balance plate (55) is rotatably connected to one side, far away from the movable frame (45), of the reaction frame (51); Oblique toggle rods (56) are symmetrically arranged at the rotary connection positions of the balance plates (55) and the reaction frame (51) and are abutted against two sides of the reaction wheel (54); the two ends of the balance plate (55) far away from one side of the reaction wheel (54) are provided with universal self-locking wheels (57).
  6. 6. The device for detecting the inner wall of the aluminum alloy pipe according to claim 5, wherein the matching component (6) comprises a trigger rod (61); the four trigger rods (61) are arranged, and the four trigger rods (61) are arranged at the side end of the mounting seat (21) far away from the driving seat (1); the end part of the trigger rod (61) is connected with the side end of the adjacent control frame (52), and the other end of the trigger rod (61) is arranged on the mounting seat (21) in a sliding way; An extrusion wedge block (62) is arranged at one side of the end part of the trigger rod (61) far away from the mounting seat (21); the oblique ends of the extrusion wedge blocks (62) are respectively abutted against the side ends of the oblique ends of one control arc block (63), and the side ends of the four control arc blocks (63) are connected with a control panel (64).
  7. 7. The device for detecting the inner wall of the aluminum alloy pipe according to claim 6, wherein the detection assembly (7) comprises a first detection frame (71), and the first detection frame (71) is arranged on one side of the control panel (64) away from the mounting seat (21); the side end of the first detection frame (71) is provided with a second detection frame (72), and the periphery of the second detection frame (72) is connected with the side ends of the first detection frame (71) and the mounting seat (21) through a fixing rod (73); A synchronous seat (74) is connected between the first detection frame (71) and the second detection frame (72) in a sliding way; horn-shaped extrusion grooves (75) are symmetrically formed in two sides of the synchronous seat (74), and a communication groove (76) is formed between the two extrusion grooves (75) in a communication mode; an engagement rod (77) is arranged at the center of the control panel (64), and the end part of the engagement rod (77) is connected with a ball head (78) at the center of the first detection frame (71) through the ball head (78); The ball head (78) is positioned in the extrusion groove (75) in the outer side area of the first detection frame (71), and a limit ball body (79) is arranged at the side end of the ball head (78) and positioned in the communication groove (76); An auxiliary rod (80) and an auxiliary sphere (81) which are symmetrical with the connecting rod (77) and the limiting sphere (79) are arranged on the other side of the synchronous seat (74); the auxiliary rod (80) is connected with the ball head (78) at the center of the second detection frame (72) through the ball head (78), and one end of the auxiliary rod (80) away from the connecting rod (77) is connected with the detection machine (82).
  8. 8. A method for using the aluminum alloy pipe inner wall detection device according to any one of claims 1 to 7, characterized by comprising the following steps: s1, when a worker needs to detect the inner wall of a pipe, the device is placed into the pipe, and one group of universal self-locking wheels (57) are abutted against the inner wall of the pipe through a spring damping telescopic rod (44), so that the device can be positioned at the center of the inner part of pipes with different diameters; S2, then, the driving motor (23) is controlled to work so as to drive the driving shaft (24) and the driving roller (25) to synchronously rotate, and through the cooperation of the staggered arc sliding grooves (26) and the clamping rollers (29), each sliding frame (27) is driven to reciprocate along the sliding rod (22) once under the action of the sliding block (28), and in the process of each reciprocation, the first connecting rod (41) and the second connecting rod (43) are matched so as to drive the hinged frame (42) on the same sliding frame (27) to synchronously diffuse and move, and the supporting force is provided by the universal self-locking wheels (57) which are abutted against the inner wall, and in the moving process, the universal self-locking wheels (57) which are originally abutted against the inner wall are far away from the inner wall through the sliding frame (27) so as to be in contact and fixed, and in the sliding process of the sliding frame (27), the universal self-locking wheels (57) on the same sliding frame (27) are switched to the next fixed position through the translation of the moving frame (45), and the device is driven to move forwards; S3, when the device moves in a pipeline, the inner wall of the device can be detected through the detecting machine (82), and when an irregular part is encountered, the balance plate (55) is out of balance, so that the reaction wheel (54) is extruded through the oblique toggle rod (56), the control frame (52) is displaced in the reaction frame (51) under the action of the spring telescopic rod (53), the trigger rod (61) is mutually matched with the control arc block (63) through the extrusion wedge block (62), the control disc (64) deflects under the matching of the connecting rod (77) and the ball head (78), the synchronous seat (74) is driven to displace between the first detection frame (71) and the second detection frame (72) under the action of the ball head (78) and the extrusion groove (75), the auxiliary rod (80) and the auxiliary ball (81) are driven to move in the opposite direction, and the detecting machine (82) and the control disc (64) are driven to deflect in the same direction.

Description

Device and method for detecting inner wall of aluminum alloy pipe Technical Field The invention relates to the field of pipe inner wall detection, in particular to an aluminum alloy pipe inner wall detection device and method. Background The aluminum alloy pipe has small density, good corrosion resistance and good processability, and is widely applied to the fields of automobile heat exchange systems, household air conditioning systems and the like. In the prior art, when detecting aluminum alloy tubular product inner wall, adopt optical sensor probe to detect the inner wall generally, when facing cascaded pipeline inside, the change of the unable adaptation pipeline internal diameter of detection machine, thereby improve the detection degree of difficulty, make detection efficiency low, simultaneously when pipeline inner wall exists irregular department or foreign matter, detection machine is unable direct avoiding in the removal in-process generally, thereby lead to the damage of detecting machine body, the practicality is not enough, therefore need an effective barrier of avoiding the inner wall when can adapt to pipeline inner wall diameter walking, in order to avoid detection efficiency low, the device that the practicality is not enough. Disclosure of Invention The invention aims to provide a device and a method for detecting the inner wall of an aluminum alloy pipe, which are used for solving the problems in the background technology. In order to achieve the purpose, the technical scheme is that the aluminum alloy pipe inner wall detection device comprises a driving seat, wherein a control assembly is arranged at the side end of the driving seat, moving assemblies for moving are uniformly distributed around the control assembly, a reaction assembly is arranged on the moving assemblies, a matching assembly is arranged at the side end of the reaction assembly, and a detection assembly for detecting the inner wall is arranged at one side of the matching assembly. Preferably, the placing component comprises L-shaped placing frames symmetrically arranged on the workbench, a channel is arranged between the tops of the L-shaped placing frames, the tops of the L-shaped placing frames are in sliding fit with oblique frames, and the lateral ends of the oblique frames are controlled by a control self-locking rod. Preferably, the control assembly comprises mounting seats symmetrically arranged at the side ends of the driving seats, two sliding rods are uniformly arranged around the mounting seats, the end parts of the sliding rods are connected with the side ends of the mounting seats, driving motors are arranged at the side ends of the mounting seats, the output ends of the driving motors are connected with the end parts of driving shafts, the driving shafts are horizontally arranged at the centers of the two mounting seats, the two ends of the driving shafts are respectively in running fit with the adjacent mounting seats, four driving rollers are sleeved on the driving shafts, the driving rollers are mutually connected, arc-shaped sliding grooves are formed in each driving roller, and the arrangement angles of the arc-shaped sliding grooves are staggered. Preferably, the driving roller is provided with a sliding frame in a sliding manner, the periphery of the sliding frame is sleeved on the sliding rod through sliding blocks and is in sliding fit with the sliding rod, each sliding frame is internally and symmetrically provided with clamping rollers, one end of each clamping roller, far away from the sliding frame, is embedded in a corresponding arc-shaped sliding groove and is in sliding fit with the corresponding arc-shaped sliding groove, the side ends of the sliding blocks on the sliding frames at two ends are provided with auxiliary frames, and the tops of the sliding blocks on the sliding frames in the middle are provided with oblique frames and matching frames. Preferably, the movable assembly comprises a first connecting rod, the first connecting rod is provided with three, the three first connecting rods are respectively hinged to an auxiliary frame far away from the driving motor and two matching frames, the other end of the first connecting rod is hinged to the hinged frame, two sides of the first connecting rod are symmetrically provided with second connecting rods, the end parts of the second connecting rods are coaxially hinged to the hinged positions of the first connecting rods and the hinged frame, the other ends of the second connecting rods are respectively hinged to two sides of the inclined frame and the other auxiliary frame, one side, far away from the sliding frame, of the hinged frame is provided with a spring damping telescopic rod, and the telescopic end of the spring damping telescopic rod is connected with the movable frame. Preferably, the reaction subassembly is including being located the reaction frame that removes on the frame, the reaction frame is close to the one end that r