CN211235671U

CN211235671U - Fixing device for flaw detector

Info

Publication number: CN211235671U
Application number: CN201922016569.8U
Authority: CN
Inventors: 杜文波; 高磊; 何东明; 何敏; 胡常安
Original assignee: National Institute Of Measurement And Testing Technology Machinery Research Institute
Current assignee: National Institute Of Measurement And Testing Technology Machinery Research Institute
Priority date: 2019-11-20
Filing date: 2019-11-20
Publication date: 2020-08-11
Anticipated expiration: 2029-11-20

Abstract

The utility model provides a flaw detector fixing device relates to flaw detector equipment technical field. The flaw detector fixing device comprises a rack, a mounting box and a sliding assembly. The installation box is slidably arranged on the rack through a sliding assembly. The frame has the detection station that is used for setting up the work piece that awaits measuring, and the install bin is located detection station top and is used for installing the appearance of detecting a flaw to make the install bin for the frame in the slip in-process, the work piece that awaits measuring is detected to the appearance of detecting a flaw. This appearance fixing device detects a flaw simple structure, the equipment of being convenient for has improved the current detection mode who relies on artifical handheld appearance of detecting a flaw to treat the detection work piece, the operator only need to install bin or slip subassembly apply external force can, the convenient operation of detecting a flaw can improve the detection efficiency who detects the work piece, the practicality is strong, application range is wide.

Description

Fixing device for flaw detector

Technical Field

The utility model relates to a flaw detector equipment technical field particularly, relates to a flaw detector fixing device.

Background

The flaw detector is used for detecting whether flaws (such as cracks, sand holes, air holes, white spots, inclusions and the like) exist in the machined part or whether a welding line is qualified or not, and searching whether the flaws exist or not so as to judge whether the workpiece is qualified or not.

At present, the existing flaw detector generally depends on manual work to take to detect workpieces, and the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flaw detector fixing device, it can assist the flaw detector to use convenient operation.

The embodiment of the utility model is realized like this:

in a first aspect, an embodiment provides a fixing device for a flaw detector, which includes a rack, a mounting box and a sliding assembly, wherein the mounting box is slidably disposed on the rack through the sliding assembly;

the rack is provided with a detection station for arranging a workpiece to be detected, the installation box is positioned above the detection station and used for installing a flaw detector, so that the installation box can slide relative to the rack in the process, and the flaw detector detects flaws on the workpiece to be detected.

In an optional implementation mode, the sliding assembly comprises a sliding block and a supporting plate, the sliding block is fixedly arranged at two ends of the supporting plate, the installation box is fixedly connected to the supporting plate, a guide rail is arranged on the inner wall of a side plate of the rack along a preset direction, and the sliding block is in sliding fit with the guide rail.

In an optional implementation mode, the installation box comprises an accommodating cavity with an opening at one end, the flaw detector is installed in the accommodating cavity, and a through hole corresponding to the opening end is formed in the middle of the supporting plate, so that the flaw detector in the installation box can detect the flaw of the workpiece to be detected on the detection station through the through hole.

In an alternative embodiment, the mounting box comprises a box body, a fixing lug and a fixing bracket;

the fixed lugs are fixedly connected to the two sides of the opening end of the box body and fixedly connected with the sliding assembly, and the fixed bracket is fixedly arranged in the box body and used for supporting the flaw detector.

In an optional embodiment, the fixing bracket includes a supporting rod, a first supporting plate and a second supporting plate, the first supporting plate and the second supporting plate are arranged in parallel and are both fixedly connected to the inner side wall of the box body, and two ends of the supporting rod are respectively connected with the first supporting plate and the second supporting plate;

the first supporting plate is close to the opening end of the box body relative to the second supporting plate, the first supporting plate is used for supporting the detection probe, and the second supporting plate is used for supporting the flaw detector main body.

In an optional embodiment, the first supporting plate and the second supporting plate are both provided with through holes, and a central axis of the through hole provided in the first supporting plate coincides with a central axis of the through hole provided in the second supporting plate.

In an optional implementation mode, a threaded hole is formed in a side wall of the box body, the installation box further comprises a clamping assembly, the clamping assembly comprises a first screw and a clamping plate, the clamping plate is fixedly connected to one end of the first screw, the first screw penetrates through the threaded hole and is in threaded fit with the box body, the clamping plate is located on the inner side of the box body, and the first screw is rotated to enable the clamping plate to abut against the flaw detector.

In an optional embodiment, the rack includes a bottom plate and side plates, the side plates are disposed opposite to each other and respectively fixedly connected to the bottom plate, the bottom plate is provided with the detection station, the detection station and the side plates are both located on the same side of the bottom plate, and the sliding assembly is slidably connected to the side plates.

In an alternative embodiment, the frame further comprises a first support bar and a second support bar;

the both ends fixed connection of first bracing piece in between the curb plate, second bracing piece quantity be two and all include matched with solenoid and second screw rod, the solenoid fixed set up in the inner wall of curb plate, the second screw rod with solenoid screw-thread fit, two keeping away from of second screw rod the one end of solenoid forms spacing space, spacing space is used for the restriction the install bin for the movement track of frame.

In an alternative embodiment, the side panels comprise a first side panel and a second side panel connected to each other, the first side panel and the second side panel extending in a preset direction;

one of one end of the first side plate close to the second side plate and one end of the second side plate close to the first side plate is provided with a clamping block, the other end of the first side plate is provided with a clamping groove, and the clamping block is clamped with the clamping groove.

The utility model discloses beneficial effect includes at least:

the flaw detector fixing device comprises a rack, a mounting box and a sliding assembly. The mounting box is mounted on the sliding assembly, and the sliding assembly is slidably arranged on the rack. And a detection station for setting a workpiece to be detected is arranged on the rack, the installation box is positioned above the detection station, and the installation box is used for installing a flaw detector. When the device is used, the power supply of the flaw detector body and the probe is connected, and the probe is used for carrying out flaw detection on the upper surface of a workpiece to be detected through the sliding assembly. And then, applying an external force to the sliding assembly along a preset direction to enable the sliding assembly to drive the mounting box to move, and carrying out multi-position detection on the workpiece to be detected by a probe of the flaw detector.

This appearance fixing device detects a flaw simple structure, the equipment of being convenient for, the operator need not hold the appearance of detecting a flaw always, only need to install bin or slip subassembly exert external force can, detect a flaw convenient operation can improve the detection efficiency who detects the work piece, has improved the current detection mode who relies on artifical handheld appearance of detecting a flaw to treat the detection work piece, and the practicality is strong, and application range is wide.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of a fixing device of a flaw detector provided by an embodiment of the present invention;

fig. 2 is a schematic structural view of a rack in a flaw detector fixing device according to an embodiment of the present invention;

FIG. 3 is an exploded view of the side panel of FIG. 2;

fig. 4 is a schematic structural diagram of a sliding assembly in a fixing device of a flaw detector provided by an embodiment of the present invention;

fig. 5 is a schematic structural view of an installation box in a flaw detector fixing device according to an embodiment of the present invention;

fig. 6 is an enlarged view of a portion a in fig. 5.

Icon: 100-flaw detector fixing device; 01-a workpiece to be detected; 02-flaw detector body; 03-probe; 05-presetting direction; 10-a frame; 102-a backplane; 105-a detection station; 11-side plate; 112-a first side panel; 113-a second side panel; 115-a guide rail; 13-a first support bar; 14-a second support bar; 142-a coil; 144-a second screw; 20-a slide assembly; 21-a slide block; 22-a support plate; 30-installing a box; 31-a box body; 32-a clamping assembly; 321-a clamping plate; 325-first screw; 33-fixed lugs; 35-a fixed bracket; 351-strut; 353 — a first pallet; 355-second pallet.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

The embodiment of the utility model provides a flaw detector fixing device.

The flaw detector can be divided into the following parts according to different measurement principles: the digital ultrasonic flaw detector, magnetic particle flaw detector, eddy current flaw detector, ray flaw detector and fluorescent flaw detector are mainly used for detecting whether flaws (cracks, sand holes, air holes, white spots, inclusions and the like) exist in machined parts of the machine, whether welding seams are qualified or not, and whether dark flaws exist or not is searched, so that whether the workpieces are qualified or not is judged.

At present, the current flaw detector is handled through the operator and is treated the detection work piece and detect of detecting a flaw, uses inconveniently, and is used for the subassembly dismouting inconvenience that the appearance structure of detecting a flaw supported, and the limitation is great.

Fig. 1 is a schematic structural view of a flaw detector fixing apparatus 100 according to this embodiment.

This embodiment is through waiting to detect work piece 01 and place on the detection station 105 of flaw detector fixing device 100, promotes install bin 30 for frame 10 along the motion of default direction 05, and at the motion in-process, install bin 30 drives the synchronous motion of flaw detector to wait to detect work piece 01 to detect on the detection station 105 and detect a flaw, have convenient operation, improve the advantage of treating the detection work piece 01 detection efficiency.

The connection relationship and the specific structure of each component of the flaw detector fixing apparatus 100 provided in this embodiment will be described in detail below.

Referring to fig. 1, a fixing apparatus 100 for a flaw detector includes a frame 10, a mounting box 30, and a sliding assembly 20.

The frame 10 is used for placing on the horizontal workbench, is provided with detection station 105 on the frame 10, and the top of detection station 105 is used for setting up the work piece 01 that awaits measuring. The installation box 30 is slidably disposed on the rack 10 through the sliding assembly 20, the installation box 30 is located above the detection station 105, and the installation box 30 is used for installing the flaw detector.

Under the action of external force, in the process that the installation box 30 slides along the preset direction 05 relative to the rack 10, the flaw detector in the installation box 30 moves synchronously along with the installation box 30, so that the workpiece 01 to be detected on the detection station 105 is subjected to flaw detection.

First, the specific structure of the housing 10 will be described in detail.

Fig. 2 is a schematic structural view of the rack 10 in the flaw detector fixing apparatus 100 according to the present embodiment.

Referring to fig. 1 and 2, the frame 10 includes a bottom plate 102, a side plate 11, a first support bar 13 and a second support bar 14.

The quantity of curb plate 11 is two and relative setting, and two curb plates 11 are fixed connection respectively on bottom plate 102, are provided with the detection station 105 that is used for placing the work piece 01 that awaits measuring on bottom plate 102, and detection station 105 and curb plate 11 all are located the same one side of bottom plate 102.

The first support bar 13 and the second support bar 14 are located between the two side plates 11.

Specifically, both ends of the first support rod 13 are respectively and fixedly connected between the two side plates 11, and the connection stability of the two side plates 11 is enhanced through the first support rod 13.

The number of the second support rods 14 is two, and each of the two second support rods 14 includes a screw tube 142 and a second screw 144 which are matched with each other.

The screw tube 142 is fixedly disposed on the inner wall of the side plate 11, the second screw 144 is in threaded fit with the screw tube 142, and the length of the second screw 144 is adjusted by the rotation of the second screw 144 relative to the screw tube 142. The two second screws 144 are oppositely arranged, so that a limiting space is formed at one end of the second screw 144 far away from the screw 142.

When the mounting box 30 moves relative to the machine frame 10 under the action of the sliding assembly 20, the limit space formed by the two second threaded rods 144 can just limit the movement track of the mounting box 30 relative to the machine frame 10.

Fig. 3 is an exploded view of the side plate 11 of fig. 2.

Referring to fig. 2 and 3, further, the side plate 11 includes a first side plate 112 and a second side plate 113 connected to each other, and the first side plate 112 and the second side plate 113 extend along a predetermined direction 05.

The first side plate 112 and the second side plate 113 are both flat sheet-like structures. The first side plate 112 and the second side plate 113 are integrally formed by splicing.

Specifically, one end of the first side plate 112 close to the second side plate 113 is a first connecting end, one end of the second side plate 113 close to the first side plate 112 is a second connecting end, one of the first connecting end and the second connecting end is provided with a clamping block, and the other one is provided with a clamping groove, and the clamping block is connected with the clamping groove in a clamping manner.

Furthermore, a through hole is formed in the first side plate 112 or the second side plate 113 along the thickness direction, a fixing hole is correspondingly formed in the clamping block, and a connecting piece, such as a screw, a bolt and the like, sequentially penetrates through the first side plate 112 or the second side plate 113 and then is fixedly connected with the clamping block.

In this embodiment, the first connecting end of the first side plate 112 is provided with a slot, and the slot is of a U-shaped structure. A clamping block is arranged at the second connecting end of the second side plate 113, and the clamping block protrudes out of the second connecting end. The structure of the clamping block is matched with that of the clamping groove, and the first side plate 112 and the second side plate 113 are connected with each other through the clamping block which is embedded in the clamping groove. The side wall of draw-in groove has seted up the through-hole along thickness direction, is provided with the fixed orifices corresponding with the through-hole on the fixture block, adopts the bolt to pass behind the through-hole and the fixed orifices bolt-up to connect first curb plate 112 and second curb plate 113 firmly.

The moving distance of the installation box 30 can be prolonged by adjusting the length of the side plate 11 according to different workpieces 01 to be detected. When the workpiece 01 to be detected is small in size, detection can be completed through one side plate 11, and the side plates 11 do not need to be spliced. When the workpiece 01 to be detected is large in size, the length of one side plate 11 cannot enable the flaw detector to finish flaw detection, and the two or more side plates 11 can be connected in a sequential splicing mode, so that the length of the side plates 11 is prolonged. The connection mode of curb plate 11 is simple, and sound construction, easy operation, and can wait to detect the work piece 01 to adjust the length of the movement track of installing bin 30 to the difference, application range is wide, and the practicality is strong.

Next, the specific structure and connection relationship of the sliding assembly 20 will be described in detail.

Fig. 4 is a schematic structural view of the sliding assembly 20 in fig. 1.

Referring to fig. 1 and 4, the sliding assembly 20 includes a sliding block 21 and a supporting plate 22, and the sliding block 21 is fixedly disposed at two ends of the supporting plate 22. The inner wall of the side plate 11 of the frame 10 is provided with a guide rail 115 along a preset direction 05, and the sliding block 21 is in sliding fit with the guide rail 115, so as to drive the support plate 22 to move along the preset direction 05 relative to the frame 10. A mounting box 30 is fixedly connected above the support plate 22. The sliding assembly 20 is slidably connected with the side plate 11 to drive the mounting box 30 to move relative to the frame 10.

Specifically, the sliding block 21 is slidably engaged with the guide rail 115, the guide rail 115 may be an inward concave structure, the sliding block 21 is embedded in the guide rail 115, or the guide rail 115 may be an outward convex structure, the sliding block 21 has a groove, and the groove of the sliding block 21 is sleeved above the protrusion of the guide rail 115. In other words, one of the slider 21 and the guide rail 115 has a protrusion, and the other has a groove, and the protrusion is embedded in the groove to be connected in a matching manner.

In this embodiment, a groove is formed in one side of the guide rail 115 close to the slider 21, a protrusion is arranged on one side of the slider 21 close to the guide rail 115, and the slider 21 and the side plate 11 are slidably connected by the protrusion being clamped in the groove.

Finally, the specific structure of the installation box 30 is described in detail, and fig. 5 is a schematic structural diagram of the installation box 30 in fig. 1.

Referring to fig. 1 and 5, the mounting box 30 includes a receiving cavity with an opening at one end.

The installation box 30 is placed on the sliding assembly 20 in an inverted mode, the flaw detector is installed in the containing cavity, and a through hole corresponding to the opening end of the installation box 30 is formed in the middle of the supporting plate 22 of the sliding assembly 20. The flaw detector comprises a flaw detector body 02 and a probe 03, wherein the probe 03 is arranged downwards, and flaw detection light emitted by the probe 03 of the flaw detector in the installation box 30 can penetrate through the through hole in the supporting plate 22 to detect the flaw of the workpiece 01 to be detected on the detection station 105 of the rack 10.

The model of the flaw detector in this embodiment is BSN900, which is the prior art and is not described again. The probe 03 is electrically connected with the flaw detector body 02 through a connecting wire arranged in the middle of the upper end, so that data transmission between the probe 03 and the flaw detector body 02 is facilitated.

Specifically, the mounting box 30 includes a box body 31, a fixing lug 33, and a fixing bracket 35.

The box 31 includes the one end open-ended and holds the chamber, and mounting bracket 35 is located and holds the intracavity, and the appearance of detecting a flaw installs in holding the intracavity through mounting bracket 35, and fixed lug 33 is used for and sliding assembly 20's backup pad 22 fixed connection.

Further, fixed journal stirrup 33 is fixed connection in the both sides of box 31 open end, and fixed journal stirrup 33 has seted up the fixed orifices, adopts connecting pieces such as bolts to pass the fixed orifices and be connected with backup pad 22 is fixed. The fixing bracket 35 is fixedly disposed in the case 31 and is used for supporting the flaw detector.

Specifically, the fixing bracket 35 includes a support rod 351, a first support plate 353, and a second support plate 355.

First layer board 353 and second layer board 355 all set up and be parallel to each other fixed connection in the inside wall of box 31, and the vertical setting of branch 351 and the both ends of branch 351 respectively with first layer board 353 and second layer board 355 fixed connection. So that the fixing bracket 35 forms a frame structure.

The first blade 353 is close to the open end of the case 31 with respect to the second blade 355, the first blade 353 is used to support the inspection probe 03, and the second blade 355 is used to support the flaw detector body 02.

Further, the first support plate 353 and the second support plate 355 are both provided with through holes. In the present embodiment, the center axis of the through hole formed in the first blade 353 coincides with the center axis of the through hole formed in the second blade 355. So that the probe 03 and the connecting rod of the flaw detector penetrate through the through hole, and the follow-up operation is facilitated.

Fig. 6 is an enlarged view of a portion a in fig. 5.

Referring to fig. 5 and 6, a threaded hole is formed in a side wall of the box 31, where the side wall refers to two opposite side walls.

Mounting box 30 also includes clamping assembly 32, and clamping assembly 32 includes first screw 325 and clamping plate 321.

The clamping plate 321 is fixedly connected to one end of the first screw 325, and the first screw 325 is threaded through the threaded hole and is in threaded fit with the sidewall of the box 31. The clamping plate 321 is positioned inside the case 31, and the distance of the clamping plate 321 with respect to the side plate 11 is adjusted by rotating the first screw 325.

Meanwhile, the distance between the two opposite clamping plates 321 is adjusted by adjusting the first screw 325, so that the clamping plates 321 can abut against the flaw detector body 02. The clamping flaw detector enhances the stability of the flaw detector body 02, is convenient to operate and simple in structure, and is convenient for quick assembly of the flaw detector supporting structure.

The working principle of the flaw detector fixing device 100 provided by the embodiment is as follows:

the rack 10 is assembled by splicing before use, the first side plate 112 and the second side plate 113 are clamped by matching a clamping block and a clamping groove which are arranged at the middle part, and then the clamping block and the clamping groove are connected through connecting pieces such as bolts. The joined side plates 11 are then fixedly joined to the base plate 102, and finally the mounting box 30 is fixedly joined to the support plate 22 of the slide module 20.

During the use, exert clockwise power through rotating the handle, first screw rod 325 drives grip block 321 motion until with the both sides wall butt of flaw detector body 02, with the firm setting in second layer board 355 of flaw detector body 02. And (3) switching on the power supply of the flaw detector body 02 and the probe 03, and carrying out flaw detection on the upper surface of the workpiece 01 to be detected by the probe 03 through a through hole arranged in the middle of the bottom end of the supporting plate 22. By applying external force to the sliding block 21 of the sliding assembly 20 along the preset direction 05 and driving the installation box 30 to move through the sliding assembly 20, the probe 03 of the flaw detector performs multi-position detection on the workpiece 01 to be detected.

The flaw detector fixing device 100 provided by the embodiment at least has the following advantages:

simple structure, design benefit, the equipment of being convenient for is used, can improve and treat the detection efficiency who detects work piece 01, has improved the current detection mode who relies on artifical handheld flaw detector to treat detection work piece 01, and the practicality is strong, and application range is wide.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The fixing device for the flaw detector is characterized by comprising a rack, an installation box and a sliding assembly, wherein the installation box is slidably arranged on the rack through the sliding assembly;

2. The flaw detector fixing device according to claim 1, wherein the sliding assembly includes a sliding block and a supporting plate, the sliding block is fixedly disposed at two ends of the supporting plate, the mounting box is fixedly connected to the supporting plate, a guide rail is disposed on an inner wall of a side plate of the rack along a predetermined direction, and the sliding block is slidably engaged with the guide rail.

3. The flaw detector fixing device according to claim 2, wherein the mounting box comprises a containing cavity with an opening at one end, the flaw detector is mounted in the containing cavity, and a through hole corresponding to the opening end is formed in the middle of the supporting plate, so that the flaw detector in the mounting box can detect flaws of a workpiece to be detected on the detection station through the through hole.

4. The flaw detector fixing device according to claim 1, wherein the mounting case includes a case body, a fixing lug, and a fixing bracket;

5. The flaw detector fixing device according to claim 4, wherein the fixing bracket comprises a supporting rod, a first supporting plate and a second supporting plate, the first supporting plate and the second supporting plate are arranged in parallel and are fixedly connected to the inner side wall of the box body, and two ends of the supporting rod are respectively connected with the first supporting plate and the second supporting plate;

6. The flaw detector fixing device according to claim 5, wherein the first support plate and the second support plate each have a through hole, and a center axis of the through hole formed in the first support plate coincides with a center axis of the through hole formed in the second support plate.

7. The device for fixing the flaw detector according to claim 4, wherein a threaded hole is formed in a side wall of the box body, the mounting box further comprises a clamping assembly, the clamping assembly comprises a first screw and a clamping plate, the clamping plate is fixedly connected to one end of the first screw, the first screw is arranged in the threaded hole in a threaded fit with the box body, the clamping plate is located inside the box body, and the first screw is rotated to enable the clamping plate to abut against the flaw detector.

8. The flaw detector fixing device according to claim 1, wherein the rack includes a bottom plate and side plates, the side plates are disposed opposite to each other and respectively fixedly connected to the bottom plate, the bottom plate is provided with the detection station, the detection station and the side plates are both located on the same side of the bottom plate, and the sliding assembly is slidably connected to the side plates.

9. The flaw detector fixing device of claim 8 wherein the rack further comprises a first support bar and a second support bar;

10. The flaw detector fixing device according to claim 8, wherein the side plates include a first side plate and a second side plate connected to each other, the first side plate and the second side plate extending in a preset direction;