Handheld ultrasonic flaw detection equipment

Abstract

The utility model discloses handheld ultrasonic flaw detection equipment which comprises a support, two limiting plates and at least one probe, the two limiting plates and the at least one probe are installed on the support, the two limiting plates are located on the two sides of the support respectively and connected with a sliding rod, and the support is provided with a sliding hole matched with the sliding rod. The sliding rod can slide in the direction of the sliding hole so that the two limiting plates can be close to or away from each other, and the support is provided with a positioning mechanism for fixing the sliding rod. The probes are installed in the installation holes of the installation blocks, the probes and the installation blocks are in one-to-one correspondence, the installation blocks are installed on the support, and a plurality of balls are installed on the lower surfaces of the installation blocks and protrude out of the lower surfaces of the installation blocks; the side, close to the to-be-detected track, of the limiting plate is provided with a mounting groove, and the mounting groove is provided with a roller and an elastic block. According to the utility model, the distance between the two limiting plates is adjusted to adapt to tracks with different widths, and the probes can slide on the surfaces of the tracks for detection through the arrangement of the balls and the rollers.

Description

Technical Field

[0001] The utility model belongs to the technical field of non-destructive testing, in particular to a handheld ultrasonic flaw detection device. Background Art

[0002] Non-destructive testing refers to a method that uses the thermal, acoustic, optical, electrical, magnetic and other reaction changes caused by abnormal internal structure or defects of the material without damaging or affecting the performance of the object being tested or damaging the internal structure of the object being tested. Non-destructive testing is widely used in the field of steel pipe inspection.

[0003] Existing detection methods are mainly achieved by manually hand-held probes contacting the surface of the object to be tested, mainly for pipes, plates and rails. During rail inspection, the manual hand-held probe slides for inspection, the position is difficult to control, and the inspection is extremely inconvenient. Utility Model Content

[0004] The main technical problem solved by the utility model is to provide a handheld ultrasonic flaw detection device, which adapts to tracks of different widths by adjusting the distance between two limit plates and utilizes the arrangement of balls and rollers to facilitate the sliding of the probe on the track surface for detection.

[0005] To solve the above technical problems, the present invention adopts a technical solution: a handheld ultrasonic flaw detection device, comprising a bracket, two limit plates mounted on the bracket, and at least one probe, wherein the two limit plates are respectively located on both sides of the bracket, the limit plates are connected to a sliding rod, the bracket is provided with a sliding hole matching the sliding rod, the sliding rod can slide along the direction of the sliding hole to make the two limit plates move closer to or away from each other, and the bracket is provided with a positioning mechanism for fixing the sliding rod;

[0006] The probe is installed in the mounting hole of the mounting block, and the probe corresponds to the mounting block one by one. The mounting block is installed on the bracket. A plurality of balls are installed on the lower surface of the mounting block, and the balls protrude from the lower surface of the mounting block. The corresponding number of probes is installed to meet the needs of detection;

[0007] The limiting plate is provided with a mounting groove on one side close to the track to be detected, and a roller and an elastic block are installed in the mounting groove. The roller protrudes from the limiting plate and contacts the track, and both ends of the roller are rotatably connected to the mounting seat. The elastic block is located between the mounting seat and the bottom surface of the mounting groove. The arrangement of the ball and the roller facilitates the sliding of the probe on the track surface for detection.

[0008] Furthermore, the positioning mechanism includes a pressure block, a compression spring and a lifting rod, one end of the lifting rod is provided with a handle, the other end of the lifting rod passes through the bracket and is connected to the pressure block, the lifting rod is sleeved with the compression spring, and the compression spring is located between the pressure block and the bracket so that the pressure block presses the sliding rod.

[0009] Furthermore, the pressing block is provided with anti-slip grooves, and the sliding rod is provided with anti-slip grooves corresponding to the anti-slip grooves.

[0010] Furthermore, the bracket is provided with a hand-held handle.

[0011] Furthermore, the mounting block is provided with a sliding portion, the bracket is provided with a sliding groove matching the sliding portion, and the screw passes through the mounting block and abuts against the sliding groove to fix the mounting block.

[0012] Furthermore, the cross section of the slide groove is a structure that is smaller at the bottom and larger at the top to prevent the sliding part from separating from the slide groove.

[0013] Furthermore, the probe is electrically connected to the data line, and the data line is electrically connected to the detector.

[0014] Furthermore, the cross section of the sliding rod is square.

[0015] The beneficial effects of the present invention include at least the following:

[0016] The utility model comprises a bracket, two limit plates mounted on the bracket and at least one probe, the two limit plates are respectively located on both sides of the bracket, the limit plates are connected to a sliding rod, the bracket is provided with a sliding hole matching the sliding rod, the sliding rod can slide along the direction of the sliding hole to make the two limit plates move closer to or away from each other, the bracket is provided with a positioning mechanism for fixing the sliding rod, the distance between the two limit plates is adjusted to adapt to tracks of different widths, and the arrangement of balls and rollers is used to facilitate the sliding of the probe on the track surface for detection;

[0017] The utility model includes at least one probe, which is installed in the mounting hole of the mounting block, and the probe corresponds to the mounting block one by one. The mounting block is installed on the bracket. The corresponding number of probes can be installed according to the width of the track to meet the detection needs;

[0018] The utility model provides a mounting groove on one side of the limit plate close to the track to be detected, and a roller and an elastic block are installed in the mounting groove. The roller protrudes from the limit plate and contacts the track, and both ends of the roller are rotatably connected to the mounting seat. The elastic block is located between the mounting seat and the bottom surface of the mounting groove, so that the roller is flexibly positioned on both sides of the track, which is convenient for improving the stability of detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural diagram of the utility model;

[0020] Figure 2 This utility model Figure 1 A magnified view of point A;

[0021] Figure 3 It is a cross-sectional view of the utility model;

[0022] Figure 4 This utility model Figure 3 An enlarged view of point B;

[0023] Figure 5 It is a structural diagram of the mounting block of the utility model;

[0024] The parts in the accompanying drawings are marked as follows:

[0025] 1. Bracket; 11. Slide hole; 12. Handle; 13. Slide groove; 2. Limit plate; 21. Roller; 22. Elastic block; 23. Mounting seat; 3. Probe; 4. Sliding rod; 41. Anti-slip groove; 51. Pressure block; 511. Anti-slip pattern; 52. Compression spring; 53. Lifting rod; 54. Handle; 6. Mounting block; 61. Ball bearing; 62. Sliding part; 7. Screw. DETAILED DESCRIPTION

[0026] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more precise definition of the protection scope of the present invention.

[0027] Example: A handheld ultrasonic flaw detection device, such as Figure 1 He Ru Figure 3 As shown, it includes a bracket 1, two limit plates 2 installed on the bracket 1 and at least one probe 3, the two limit plates 2 are respectively located on both sides of the bracket 1, the limit plates 2 are connected to the sliding rod 4, the bracket 1 is provided with a sliding hole 11 matching the sliding rod 4, the sliding rod 4 can slide along the direction of the sliding hole 11 to make the two limit plates 2 closer to or farther away from each other, and the bracket 1 is provided with a positioning mechanism for fixing the sliding rod 4;

[0028] The probe 3 is mounted on the mounting hole of the mounting block 6, and the probe 3 corresponds to the mounting block 6 one by one. The mounting block 6 is mounted on the bracket 1. Figure 5 As shown, a plurality of balls 61 are installed on the lower surface of the mounting block 6, and the balls 61 protrude from the lower surface of the mounting block 6;

[0029] like Figure 2As shown, the limiting plate 2 is provided with a mounting groove on one side close to the track to be detected, and the mounting groove is installed with a roller 21 and an elastic block 22. The roller 21 protrudes from the limiting plate 2 and contacts the track, and the two ends of the roller 21 are rotatably connected to the mounting seat 23. The elastic block 22 is located between the mounting seat 23 and the bottom surface of the mounting groove.

[0030] like Figure 4 As shown, the positioning mechanism includes a pressure block 51, a compression spring 52 and a lifting rod 53. A handle 54 is provided at one end of the lifting rod 53. The other end of the lifting rod 53 passes through the bracket 1 and is connected to the pressure block 51. The lifting rod 53 is sleeved with the compression spring 52. The compression spring 52 is located between the pressure block 51 and the bracket so that the pressure block 51 presses the sliding rod 4.

[0031] The pressing block 51 is provided with anti-slip grooves 511 , and the sliding rod 4 is provided with anti-slip grooves 41 corresponding to the anti-slip grooves 511 .

[0032] The bracket 1 is provided with a hand-held handle 12 .

[0033] The mounting block 6 is provided with a sliding portion 62 , and the bracket 1 is provided with a sliding groove 13 matching the sliding portion 62 . The screw 7 passes through the mounting block 6 and abuts against the sliding groove 13 to fix the mounting block 6 .

[0034] The cross section of the slide groove 13 is a structure that is smaller at the bottom and larger at the top to prevent the sliding portion 62 from being separated from the slide groove 13 .

[0035] The probe 3 is electrically connected to the data line, and the data line is electrically connected to the detector.

[0036] The cross section of the sliding rod 4 is square.

[0037] The working principle of the utility model is as follows: the handle is pulled up, and the handle drives the pressure block to disengage from the sliding rod, and the distance between the two limit plates is adjusted according to the width of the track, and the handle is loosened. The pressure block is pressed against the sliding rod under the action of the compression spring to fix the sliding rod, and the mounting block is installed in the slide groove, and the screw is turned to fix the mounting block. Then the operator holds the handle and uses the setting of the ball and roller to facilitate the sliding of the probe on the track surface for detection.

[0038] The above are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structural transformations made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A handheld ultrasonic flaw detection device, characterized by: The invention comprises a bracket (1), two limit plates (2) mounted on the bracket, and at least one probe (3), wherein the two limit plates are respectively located on both sides of the bracket, the limit plates are connected to a sliding rod (4), the bracket is provided with a sliding hole (11) matching the sliding rod, the sliding rod can slide along the direction of the sliding hole to move the two limit plates closer to or farther away from each other, and the bracket is provided with a positioning mechanism for fixing the sliding rod; The probe is mounted on a mounting hole of a mounting block (6), and the probe corresponds to the mounting block one-to-one. The mounting block is mounted on the bracket. A plurality of balls (61) are mounted on the lower surface of the mounting block, and the balls protrude from the lower surface of the mounting block. A mounting groove is provided on one side of the limit plate close to the track to be detected, and a roller (21) and an elastic block (22) are installed in the mounting groove. The roller protrudes from the limit plate and contacts the track, and both ends of the roller are rotatably connected to the mounting seat (23). The elastic block is located between the mounting seat and the bottom surface of the mounting groove.

2. The handheld ultrasonic flaw detection device according to claim 1, characterized in that: The positioning mechanism includes a pressure block (51), a compression spring (52) and a lifting rod (53), one end of the lifting rod is provided with a pull handle (54), the other end of the lifting rod passes through the bracket and is connected to the pressure block, the lifting rod is sleeved with the compression spring, and the compression spring is located between the pressure block and the bracket so that the pressure block presses the sliding rod.

3. The handheld ultrasonic flaw detection device according to claim 2, characterized in that: The pressing block is provided with anti-slip grooves (511), and the sliding rod is provided with anti-slip grooves (41) corresponding to the anti-slip grooves.

4. The handheld ultrasonic flaw detection device according to claim 1, characterized in that: The bracket is provided with a hand-held handle (12).

5. The handheld ultrasonic flaw detection device according to claim 1, characterized in that: The mounting block is provided with a sliding portion (62), the bracket is provided with a sliding groove (13) matching the sliding portion, and the screw (7) passes through the mounting block and abuts against the sliding groove to fix the mounting block.

6. The handheld ultrasonic flaw detection device according to claim 5, characterized in that: The cross section of the slide groove is a structure that is smaller at the bottom and larger at the top to prevent the sliding part from separating from the slide groove.

7. The handheld ultrasonic flaw detection device according to claim 1, characterized in that: The probe is electrically connected to the data line, and the data line is electrically connected to the detector.

8. The handheld ultrasonic flaw detection device according to claim 1, characterized in that: The cross section of the sliding rod is square.

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