High-temperature fastening bolt phased array ultrasonic detection probe auxiliary device

Abstract

The utility model discloses a phased array ultrasonic detection probe auxiliary device for a high-temperature fastening bolt, and relates to the technical field of bolt phased array detection. The probe comprises a probe shell, a probe wedge block is fixed at one end of the probe shell, and a probe body is fixed in the probe wedge block; a mounting groove is formed in the outer ring of the probe shell, and a mounting block sleeves the outer side of the mounting groove; a connecting block is fixed at one end of the mounting block; a protective plate is fixed at one end of the connecting block; an adjusting groove is formed between the connecting block and the protective plate; a plurality of first springs are fixed in the adjusting groove; a plurality of second springs are fixed to the bottom of the protection plate, and supporting plates are fixed to one ends of the second springs. Through the action of the protection plate, the protection block can reduce collision between the protection plate and other parts, so that the probe shell can move forwards more stably, the probe body is assisted in moving forwards, the situation that the parts extrude the probe body due to narrow gaps is avoided, and ultrasonic inspection of the device is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of bolt phased array detection, in particular to a high-temperature fastening bolt phased array ultrasonic detection probe auxiliary device. Background Art

[0002] High-temperature fastening bolts are one of the important components of steam turbine equipment. High-temperature fastening bolts connect high-temperature components such as the turbine cylinder, main steam valve, regulating valve and steam guide pipe, ensuring that there is no leakage during the operation of the unit. Since high-temperature fastening bolts are in a high-temperature environment for a long time, they are prone to oxidation, forming a ferromagnetic oxide film on the heated surface. After long-term oxidation, the mechanical properties of high-temperature fastening bolts will decrease, so that the strength of high-temperature fastening bolts cannot meet the operating parameters of supercritical and subcritical units. Therefore, high-temperature fastening bolts must be ultrasonically inspected regularly to promptly detect dangerous defects in the fastening bolts and ensure the safe operation of power plant equipment.

[0003] Existing inspections generally use ultrasonic detection probes to test the tightness of bolts and other properties. When checking the bolts in the gaps, the detection probes are usually directly inserted into the gaps of the parts. However, since the connecting cables are relatively soft, the detection probes are easily collided and squeezed when moving in the gaps, which may cause the probes to be damaged. Utility Model Content

[0004] The utility model aims to provide a phased array ultrasonic detection probe auxiliary device for high-temperature fastening bolts. Through the function of the protective plate, the protective block can reduce the collision between the protective plate and other components, so that the probe shell can move forward more stably, and the auxiliary probe body can move forward to avoid the situation where the components squeeze the probe body due to the narrow gap. In this way, the ultrasonic inspection of the device is guaranteed, and the existing problem of directly inserting the detection probe into the gap of the component is solved. Since the connecting cable is relatively soft, the detection probe is very likely to be collided and squeezed when moving between the gaps, and the probe may be damaged.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A high-temperature fastening bolt phased array ultrasonic detection probe auxiliary device comprises a probe housing, one end of the probe housing is fixed with a probe wedge, and the probe body is fixed inside the probe wedge;

[0007] The outer ring of the probe housing is provided with a mounting groove, and the outer side of the mounting groove is sleeved with a mounting block;

[0008] A connecting block is fixed at one end of the mounting block, and a protective plate is fixed at one end of the connecting block;

[0009] An adjustment groove is formed between the connecting block and the protective plate;

[0010] A plurality of first springs are fixed inside the adjusting groove;

[0011] A plurality of second springs are fixed at the bottom of the protective plate, and a support plate is fixed at one end of the second spring.

[0012] The utility model is further configured as follows: a plurality of telescopic rods are fixed to the side of the protective plate away from the probe housing;

[0013] A connecting plate is fixed at one end of the telescopic rod.

[0014] The utility model is further configured as follows: a third spring is sleeved on the outer side of the telescopic rod;

[0015] One end of the third spring is fixedly connected to the connecting plate, and the other end of the third spring is fixedly connected to the outer wall of the protective plate.

[0016] The utility model is further configured as follows: a protective shell is fixed to one side of the connecting plate, and a protective block is rollingly connected inside the protective shell;

[0017] The protection block is a spherical structure.

[0018] The utility model is further configured as follows: a fixing strip is provided at one end of the installation block, and a fixing groove is provided at one end of the installation block away from the fixing strip.

[0019] The utility model is further configured as follows: the fixing strip matches the fixing groove;

[0020] The fixing strip and the fixing groove are both provided with threaded holes on one side, and bolts are threadedly connected inside the threaded holes.

[0021] The utility model is further configured as follows: a plurality of reinforcement blocks are fixed to the inner ring of the installation block, and a plurality of reinforcement grooves are opened on the surface of the installation groove;

[0022] The reinforcement block matches the reinforcement groove.

[0023] The utility model has the following beneficial effects:

[0024] 1. The utility model uses the protective plate and the protective block to reduce the collision between the protective plate and other components, allowing the probe shell to move forward more stably, assisting the probe body to move forward, and avoiding the situation where the components squeeze the probe body due to the narrow gap, thereby ensuring the ultrasonic inspection of the device.

[0025] 2. The utility model can make the connection between the two mounting blocks more stable through the functions of the reinforcement block and the reinforcement groove. At the same time, the reinforcement block is inserted into the reinforcement groove to prevent the mounting block from sliding in the mounting groove, thereby fixing the mounting block.

[0026] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are 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 creative work.

[0028] Figure 1 The utility model is a structural schematic diagram of a phased array ultrasonic detection probe auxiliary device for high-temperature fastening bolts.

[0029] Figure 2 It is a schematic diagram of the installation slot structure of the utility model.

[0030] Figure 3 It is a schematic diagram of the internal structure of the protective plate of the utility model.

[0031] Figure 4 For the utility model Figure 3 A partial enlarged view of point A in the middle.

[0032] Figure 5 It is a schematic diagram of the side view structure of the protective plate of the utility model.

[0033] Figure 6 For the utility model Figure 5 A partial enlarged view of point B in the middle.

[0034] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0035] 1-probe shell, 2-probe wedge, 3-probe body, 4-mounting slot, 5-mounting block, 6-connecting block, 7-protective plate, 8-adjusting slot, 9-first spring, 10-second spring, 11-support plate, 12-telescopic rod, 13-connecting plate, 14-third spring, 15-protective shell, 16-protective block, 17-fixing strip, 18-fixing slot, 19-threaded hole, 20-bolt, 21-reinforcement block, 22-reinforcement slot. DETAILED DESCRIPTION

[0036] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0037] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0038] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually used in reference to the directions shown in the drawings, or in reference to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually used in reference to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention. Specific embodiment 1

[0040] See also Figure 1-6 The utility model is a high-temperature fastening bolt phased array ultrasonic detection probe auxiliary device, comprising a probe housing 1, a probe wedge 2 is fixed at one end of the probe housing 1, and a probe body 3 is fixed inside the probe wedge 2;

[0041] The outer ring of the probe housing 1 is provided with a mounting groove 4, and the outer side of the mounting groove 4 is sleeved with a mounting block 5;

[0042] A connecting block 6 is fixed to one end of the mounting block 5, and a protective plate 7 is fixed to one end of the connecting block 6;

[0043] An adjustment groove 8 is formed between the connecting block 6 and the protective plate 7;

[0044] A plurality of first springs 9 are fixed inside the adjustment slot 8;

[0045] A plurality of second springs 10 are fixed to the bottom of the protection plate 7 , and a support plate 11 is fixed to one end of the second spring 10 .

[0046] Specifically, a plurality of telescopic rods 12 are fixed to the side of the protective plate 7 away from the probe housing 1;

[0047] A connecting plate 13 is fixed to one end of the telescopic rod 12 .

[0048] Furthermore, a third spring 14 is sleeved on the outer side of the telescopic rod 12;

[0049] One end of the third spring 14 is fixedly connected to the connecting plate 13, and the other end of the third spring 14 is fixedly connected to the outer wall of the protective plate 7;

[0050] A protective shell 15 is fixed to one side of the connecting plate 13, and a protective block 16 is rollingly connected inside the protective shell 15;

[0051] The protection block 16 is a spherical structure.

[0052] The operation process of this embodiment is as follows: when the device is in use, the mounting block 5 is stuck on the outer side of the mounting groove 4, and the bolt 20 is screwed into the threaded hole 19, so as to fix the two mounting blocks 5 on the outer side of the mounting groove 4. After the two mounting blocks 5 are fixed, the probe body 3 can be pushed into the bolt position to be detected. During this process, the probe shell 1 moves in the gap. At this time, the first spring 9 in the adjustment groove 8 pushes the protective plate 7 outward, and at the same time, the support plate 11 is released from the probe shell 1. The second spring 10 on one side of the support plate 11 further pushes the protective plate 7 to make the protective plate 7 slightly open outward. At this time, the probe shell 1 moves in the gap, and the protective block 16 contacts with the surrounding parts and rolls in the protective shell 15. The protective block 16 can reduce the collision between the protective plate 7 and other parts, so that the probe shell 1 can move forward more stably, and assist the probe body 1 to move forward, so as to avoid the situation where the parts squeeze the probe body 3 due to the narrow gap, thereby ensuring the ultrasonic inspection of the device. Specific embodiment 2

[0054] See also Figure 2-4 On the basis of the first specific embodiment, a fixing strip 17 is formed at one end of the mounting block 5 , and a fixing groove 18 is formed at one end of the mounting block 5 away from the fixing strip 17 .

[0055] Specifically, the fixing strip 17 matches the fixing groove 18;

[0056] A threaded hole 19 is formed on one side of the fixing strip 17 and the fixing groove 18 , and a bolt 20 is threadedly connected inside the threaded hole 19 .

[0057] Furthermore, a plurality of reinforcement blocks 21 are fixed to the inner ring of the mounting block 5, and a plurality of reinforcement grooves 22 are opened on the surface of the mounting groove 4;

[0058] The reinforcement block 21 matches the reinforcement groove 22 .

[0059] The operation process of this embodiment is as follows: when installing the mounting block 5, the reinforcement block 21 on one side of the mounting block 5 can be inserted into the reinforcement groove 22 on the outer wall of the mounting groove 4. At the same time, when the two mounting blocks 5 are in contact with each other, the fixing strip 17 on one side is inserted into the fixing groove 18 on the other side. This device can make the connection between the two mounting blocks 5 more stable. At the same time, the reinforcement block 21 is inserted into the reinforcement groove 22 to prevent the mounting block 5 from sliding in the mounting groove 4, thereby fixing the mounting block 5.

[0060] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0061] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A phased array ultrasonic detection probe auxiliary device for high-temperature fastening bolts, comprising a probe housing (1), characterized in that: A probe wedge (2) is fixed to one end of the probe housing (1), and a probe body (3) is fixed inside the probe wedge (2); The outer ring of the probe housing (1) is provided with a mounting groove (4), and the outer side of the mounting groove (4) is sleeved with a mounting block (5); A connecting block (6) is fixed to one end of the mounting block (5), and a protective plate (7) is fixed to one end of the connecting block (6); An adjustment groove (8) is formed between the connecting block (6) and the protective plate (7); A plurality of first springs (9) are fixed inside the adjusting groove (8); A plurality of second springs (10) are fixed to the bottom of the protective plate (7), and a support plate (11) is fixed to one end of the second spring (10).

2. The high-temperature fastening bolt phased array ultrasonic detection probe auxiliary device according to claim 1 is characterized in that: A plurality of telescopic rods (12) are fixed to the side of the protective plate (7) away from the probe housing (1); A connecting plate (13) is fixed to one end of the telescopic rod (12).

3. The high-temperature fastening bolt phased array ultrasonic detection probe auxiliary device according to claim 2 is characterized in that: A third spring (14) is sleeved on the outer side of the telescopic rod (12); One end of the third spring (14) is fixedly connected to the connecting plate (13), and the other end of the third spring (14) is fixedly connected to the outer wall of the protective plate (7).

4. The high-temperature fastening bolt phased array ultrasonic detection probe auxiliary device according to claim 3 is characterized in that: A protective shell (15) is fixed to one side of the connecting plate (13), and a protective block (16) is rollingly connected inside the protective shell (15); The protection block (16) is a spherical structure.

5. The phased array ultrasonic detection probe auxiliary device for high temperature fastening bolts according to claim 1 is characterized in that: A fixing strip (17) is formed at one end of the installation block (5), and a fixing groove (18) is formed at one end of the installation block (5) away from the fixing strip (17).

6. The phased array ultrasonic detection probe auxiliary device for high temperature fastening bolts according to claim 5, characterized in that: The fixing strip (17) matches the fixing groove (18); A threaded hole (19) is formed on one side of the fixing strip (17) and the fixing groove (18), and a bolt (20) is threadedly connected inside the threaded hole (19).

7. The high-temperature fastening bolt phased array ultrasonic detection probe auxiliary device according to claim 1 is characterized in that: A plurality of reinforcement blocks (21) are fixed on the inner ring of the installation block (5), and a plurality of reinforcement grooves (22) are opened on the surface of the installation groove (4); The reinforcement block (21) matches the reinforcement groove (22).

Images