A cantilever beam column welding seam flaw detection cleaning device

Abstract

The application discloses a kind of cantilever beam column weld joint flaw detection cleaning device, including fixed frame, fixed frame is " ten " shape frame body, wherein the upper portion of the opposite ends of fixed frame horizontal frame body is provided with two electric slide rails, the upper portion of the opposite ends of fixed frame longitudinal frame body is respectively provided with adjusting mechanism and fixed mechanism, the upper portion of two electric slide rails is slidably provided with cleaning mechanism, and cleaning mechanism is used to clean the dust of flaw detection position gap;Fixed mechanism is used to fix cantilever beam;Adjusting mechanism is used to clamp and adjust cantilever beam column;Fixed frame center part is provided with flaw detection mechanism, and flaw detection mechanism is used to carry out weld joint flaw detection to the cantilever beam column clamped by adjusting mechanism.

Description

Technical Field

[0001] This invention relates to the field of joint flaw detection technology, and more specifically, to a flaw detection and cleaning device for welded joints of cantilever beams and columns. Background Technology

[0002] Cantilever beams and columns play a supporting and load-bearing role in the use of buildings. During the installation of cantilever beams and columns, assembly and welding are required. If there are gaps in the welding, there are certain hidden dangers in the use of cantilever beams and columns, which need to be detected by flaw detection and cleaning devices.

[0003] The existing method of weld flaw detection involves manually carrying the flaw detection equipment to inspect the beam. However, due to the large detection range of the beam, manual flaw detection can easily lead to missed weld flaws. Furthermore, cantilever beams and columns pose potential hazards during use, and the dust deposited in the weld can cause potential problems for the welded beam. Summary of the Invention

[0004] To address the shortcomings of existing technologies, the present invention aims to provide a device for inspecting and cleaning weld seams in cantilever beams and columns.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a weld seam inspection and cleaning device for cantilever beams and columns, comprising a fixed frame, wherein the fixed frame is a cross-shaped frame, wherein two electric slide rails are provided above the opposite ends of the horizontal frame, and an adjustment mechanism and a fixing mechanism are respectively provided above the opposite ends of the longitudinal frame; a cleaning mechanism is slidably arranged above the two electric slide rails, the cleaning mechanism being used to clean dust from the gaps at the inspection location; the fixing mechanism is used to fix the cantilever beam; the adjustment mechanism is used to clamp and adjust the cantilever beam and column; and a flaw detection mechanism is provided at the center of the fixed frame, the flaw detection mechanism being used to perform weld seam inspection on the cantilever beam and column clamped by the adjustment mechanism.

[0006] Preferably, the fixing mechanism includes a first slide rail connected to the top of the fixing frame, a fixed movable frame slidably connected to the top of the first slide rail, first electric telescopic rods connected to both sides of the fixed movable frame, the telescopic ends of the two first electric telescopic rods being fixedly connected to the top of the fixing frame, a first small motor being fixedly connected to one side of the fixed movable frame, and a first lead screw being fixedly connected to the transmission end of the first small motor.

[0007] Preferably, a connecting block is threaded through the outer side of the first lead screw, a first mounting frame is fixedly connected to the top of the connecting block, and second sliding rails are fixedly connected to the top of both sides of the first mounting frame.

[0008] Preferably, it also includes a fixed housing, the bottom end of which is threaded to the outer side of the second lead screw via a connecting block, one end of the second lead screw is fixedly connected to the transmission end of the second small motor, a through housing is installed on the top of the fixed housing, a through slot is provided on one side of the through housing, and an electric hydraulic rod is provided directly opposite the position of the through slot.

[0009] Preferably, the adjustment mechanism includes an adjustment frame, a second electric telescopic rod is fixedly connected to one side of the adjustment frame, a connecting block is fixedly connected to the telescopic end of the second electric telescopic rod, an adjustment connecting frame is fixedly connected to the top of the connecting block, a third electric telescopic rod is fixedly connected to the top of the adjustment connecting frame, and a clamping frame is fixedly connected to the telescopic end of the third electric telescopic rod.

[0010] Preferably, the top two sides of the fixed frame are fixedly connected to a first sliding rail, the top of the first sliding rail is slidably connected to an adjusting seat, the bottom end of the adjusting seat is fixedly connected to one side of the fixed frame through a fourth electric telescopic rod, the top of the adjusting seat is fixedly connected to a second sliding rail, the top center of the second sliding rail is fixedly connected to a fixed seat, and the two sides of the fixed seat are fixedly connected to a first small electric telescopic rod.

[0011] Preferably, the telescopic ends of the two first small electric telescopic rods are fixedly connected to small slide blocks that are slidably connected to the top of the second slide rail. The top of the small slide block is fixedly connected to a clamping frame. The top of the clamping frame is fixedly connected to a third small electric telescopic rod. The telescopic end of the third small electric telescopic rod is fixedly connected to a locking clamp.

[0012] Preferably, the top of the adjusting seat is symmetrically provided with two sets of sliding rails, and a bidirectional telescopic rod is fixedly connected to the middle of each set of sliding rails. The telescopic end of the bidirectional telescopic rod is slidably connected to an L-shaped bracket. A rolling wheel is movably connected to the top of the L-shaped bracket. A third small motor is fixedly connected to the side of one of the L-shaped brackets. A drive gear is fixedly connected to the transmission end of the third small motor. A driven gear is meshed with one side of the drive gear. A corresponding rolling wheel is fixedly connected to one side of the driven gear.

[0013] Preferably, the cleaning mechanism includes a gantry frame, the bottom of which is slidably connected to an electric slide rail. The gantry frame is provided with several guide rods, and a cleaning frame is fixedly connected to the bottom end of the guide rods. A small electric telescopic rod is fixedly connected to the top center of the cleaning frame. A fourth small motor telescopic rod is fixedly connected to both ends of the cleaning frame. A hanger that is slidably connected to the cleaning frame is fixedly connected to the telescopic end of the fourth small motor telescopic rod. An air outlet pipe is fixedly connected to the bottom end of the hanger, and one side of the air outlet pipe is connected to a blower.

[0014] Preferably, the flaw detection mechanism includes a fixed connecting frame fixedly connected to one side of a fixed frame, a first electro-hydraulic rod fixedly connected to one side of the top of the fixed connecting frame, a flaw detection slide fixedly connected to the telescopic end of the first electro-hydraulic rod, one side of the flaw detection slide being slidably connected to the side of the fixed connecting frame, a second electro-hydraulic rod fixedly connected to the bottom of the fixed connecting frame, and a flaw detector fixedly connected to the telescopic end of the second electro-hydraulic rod.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. In this invention, during welding flaw detection of cantilever beams and columns, the rotation of a small motor drives the connecting block on the first lead screw to move back and forth via a threaded path, facilitating the movement of the first mounting frame. The rotation of a second small motor on the first mounting frame drives the second lead screw to rotate via a threaded path, thereby driving the fixed housing on the connecting block. The movement of the fixed housing facilitates the adjustment of the cantilever beam and column. The extension and retraction of the first electro-hydraulic rod drives the flaw detection slide to slide left and right, allowing the flaw detector to move left and right. The extension and retraction of the second electro-hydraulic rod pushes the flaw detector to adjust its horizontal height, thus facilitating flaw detection of the cantilever beam and column.

[0017] 2. The present invention facilitates the up-and-down movement of the cleaning racks on several guide rods by extending and retracting the third small motor telescopic rod, which makes it easier for the air outlet pipe to approach the side of the cantilever beam column. The extension and retraction of the fourth small motor telescopic rod causes the cleaning racks to move closer to each other, and the blower, in conjunction with the air outlet pipe, facilitates the cleaning of dust from the weld seams of the cantilever beam column during cleaning. Attached Figure Description

[0018] Figure 1 This is an overall structural diagram of the present invention;

[0019] Figure 2 This is a structural diagram of the adjustment mechanism of the present invention;

[0020] Figure 3 This is a structural diagram of the first slide rail of the present invention;

[0021] Figure 4 This is a structural diagram of the fixing mechanism of the present invention;

[0022] Figure 5 This is a structural diagram of the second sliding rail of the present invention;

[0023] Figure 6 This is a structural diagram of the flaw detection mechanism of the present invention;

[0024] Figure 7 This is a structural diagram of the cleaning mechanism of the present invention;

[0025] Figure 8 This is a structural diagram of the L-shaped bracket of the present invention.

[0026] In the diagram: 1. Fixed frame; 101. Electric slide rail; 2. Fixed mechanism; 201. First slide rail; 202. Fixed moving frame; 2021. First electric telescopic rod; 2022. First small motor; 203. First lead screw; 204. First mounting frame; 2041. Second slide rail; 205. Fixed housing; 2051. Second lead screw; 2052. Second small motor; 2053. Through housing; 206. Through slot; 207. Electro-hydraulic rod; 3. Adjustment mechanism; 301. Adjustment frame; 302. Adjustment connecting frame; 303. Third electric telescopic rod; 3031. Clamping frame; 304. First slide rail; 3041. Adjustment seat; 3051. Fixed seat; 3052. 306. Small electric telescopic rod; 307. Small slide; 308. Clamping frame; 309. Third small electric telescopic rod; 4. Clamping clamp; 401. Cleaning mechanism; 402. Guide rod; 403. Cleaning frame; 404. Small electric telescopic rod; 405. Hanger; 406. Air outlet pipe; 407. Blower; 5. Flaw detection mechanism; 501. Fixed connecting frame; 502. First electric hydraulic rod; 503. Flaw detection slide; 504. Second electric hydraulic rod; 505. Flaw detector; 6. Sliding rail; 601. Bidirectional telescopic rod; 602. L-shaped bracket; 603. Rolling wheel; 604. Third small motor; 605. Driving gear; 606. Driven gear. Detailed Implementation

[0027] Reference Figures 1 to 8 The following is a further description of an embodiment of the weld seam inspection and cleaning device for cantilever beams and columns according to the present invention.

[0028] A device for inspecting and cleaning weld seams of cantilever beams and columns includes a fixed frame 1, which is a cross-shaped frame. Two electric slide rails 101 are positioned above the opposite ends of the horizontal sections of the fixed frame 1. An adjustment mechanism 3 and a fixing mechanism 2 are respectively positioned above the opposite ends of the longitudinal sections of the fixed frame 1. A cleaning mechanism 4 is slidably positioned above the two electric slide rails 101, and the cleaning mechanism 4 is used to clean dust from the seams at the inspection location. The fixing mechanism 2 is used to fix the cantilever beam. The adjustment mechanism 3 is used to clamp and adjust the cantilever beam column. A flaw detection mechanism 5 is positioned at the center of the fixed frame 1, and the flaw detection mechanism 5 is used to perform weld seam inspection on the cantilever beam column clamped by the adjustment mechanism 3.

[0029] In practical use, the cantilever beam is fixed by the fixing mechanism 2 to facilitate flaw detection. The cleaning mechanism 4 cleans the dust from the gaps at the flaw detection location. The flaw detection mechanism 5 performs flaw detection on the cantilever beam, thereby performing weld flaw detection on the cantilever beam that needs to be welded, avoiding incomplete welding that could affect the normal use of the cantilever beam.

[0030] Specifically, the fixing mechanism 2 includes a first slide rail 201 connected to the top of the fixing frame 1. A fixed moving frame 202 is slidably connected to the top of the first slide rail 201. First electric telescopic rods 2021 are connected to both sides of the fixed moving frame 202. The telescopic ends of the two first electric telescopic rods 2021 are fixedly connected to the top of the fixing frame 1. A first small motor 2022 is fixedly connected to one side of the fixed moving frame 202. A first lead screw 203 is fixedly connected to the transmission end of the first small motor 2022.

[0031] A connecting block is threaded through the outer side of the first lead screw 203. A first mounting frame 204 is fixedly connected to the top of the connecting block. Second sliding rails 2041 are fixedly connected to the top of both sides of the first mounting frame 204.

[0032] In practical use, when performing weld flaw detection on cantilever beams and columns, the cantilever beams and columns are first inserted and installed through the through-hole 206 via the through-hole 2053 on the fixed housing 205. During the flaw detection process, the cantilever beams and columns are transported and pushed by the extension and retraction of the electric hydraulic rod 207 at one end of the through-hole 206, thus facilitating the moving through-hole flaw detection of the cantilever beams and columns. The extension and retraction of the first electric telescopic rods 2021 set on both sides of the fixed frame 1 facilitates the movement of the fixed movable frame 202 on the first slide rail 201. The rotation of the first small motor 2022 drives the connecting block on the first lead screw 203 to move back and forth. The forward and backward threaded movement of the connecting block facilitates the forward and backward movement of the first mounting frame 204. The rotation of the second small motor 2052 on the first mounting frame 204 drives the second lead screw 2051 to rotate, thereby moving the fixed housing 205 on the connecting block. The movement of the fixed housing 205 facilitates the adjustment of the cantilever beam column. The cantilever beam column is fixed by the cooperation of the through housing 2053 and the through slot 206, which facilitates flaw detection.

[0033] Specifically, the fixing mechanism 2 also includes a fixing housing 205. The bottom end of the fixing housing 205 is threaded to the outer side of the rod column of the second lead screw 2051 through a connecting block. One end of the second lead screw 2051 is fixedly connected to the transmission end of the second small motor 2052. A through housing 2053 is installed on the top of the fixing housing 205. A through slot hole 206 is opened on one side of the through housing 2053. An electric hydraulic rod 207 is set at the position directly opposite the through slot hole 206.

[0034] Specifically, the adjustment mechanism 3 includes an adjustment frame 301, a second electric telescopic rod is fixedly connected to one side of the adjustment frame 301, a connecting block is fixedly connected to the telescopic end of the second electric telescopic rod, an adjustment connecting frame 302 is fixedly connected to the top of the connecting block, a third electric telescopic rod 303 is fixedly connected to the top of the adjustment connecting frame 302, and a clamping frame 3031 is fixedly connected to the telescopic end of the third electric telescopic rod 303.

[0035] In practical use, when performing weld flaw detection on cantilever beams and columns, the extension and retraction of the second electric telescopic rod drives the adjustment connecting frame 302 to move back and forth, and the extension and retraction of the third electric telescopic rod 303 drives the clamping frame 3031 to clamp and fix the cantilever beams and columns being inspected, which facilitates the clamping and fixing of the cantilever beams and columns.

[0036] Specifically, the top two sides of the fixed frame 1 are fixedly connected to the first sliding rail 304, the top of the first sliding rail 304 is slidably connected to the adjusting seat 3041, the bottom end of the adjusting seat 3041 is fixedly connected to one side of the fixed frame 1 through the fourth electric telescopic rod, the top of the adjusting seat 3041 is fixedly connected to the second sliding rail, the top middle of the second sliding rail is fixedly connected to the fixed seat 3051, and the two sides of the fixed seat 3051 are fixedly connected to the first small electric telescopic rod 3052.

[0037] The telescopic ends of the two first small electric telescopic rods 3052 are fixedly connected to a small slide block 306 that is slidably connected to the top of the second slide rail. The top of the small slide block 306 is fixedly connected to a clamping frame 307. The top of the clamping frame 307 is fixedly connected to a third small electric telescopic rod 308. The telescopic end of the third small electric telescopic rod 308 is fixedly connected to a locking clip 309.

[0038] In practical use, the extension and retraction of the fourth electric telescopic rod drives the fixed seat 3051 on the second slide rail to slide and adjust to each other. The extension and retraction of the first small electric telescopic rod 3052 drives the clamping frame 307 on the small slide 306 to slide to each other. The extension and retraction of the third small electric telescopic rod 308 drives the locking clamp 309 to cooperate in clamping and fixing the cantilever beam column.

[0039] Specifically, two sets of sliding rails 6 are symmetrically arranged at the top of the adjusting seat 3041. A bidirectional telescopic rod 601 is fixedly connected to the middle of each set of sliding rails 6. An L-shaped bracket 602 is slidably connected to the telescopic end of the bidirectional telescopic rod 601. A rolling wheel 603 is movably connected to the top of the L-shaped bracket 602. A third small motor 604 is fixedly connected to the side of one of the L-shaped brackets 602. A drive gear 605 is fixedly connected to the transmission end of the third small motor 604. A driven gear 606 is meshed with one side of the drive gear 605. A corresponding rolling wheel 603 is fixedly connected to one side of the driven gear 606.

[0040] In practical use, when adjusting the cantilever beam for flipping and flaw detection, the extension and retraction of the two bidirectional telescopic rods 601 on the adjusting seat 3041 drives the L-shaped brackets 602 on the two sets of sliding rails 6 to slide and adjust each other, which facilitates the rotational flaw detection of cantilever beams of different thicknesses. The rotation of the third small motor 604 drives the drive gear 605 to rotate, and the rotation of the drive gear 605 drives the driven gear 606 to rotate, thereby driving one of the rolling wheels 603 to rotate, which facilitates the flipping of the cantilever beam.

[0041] Specifically, the cleaning mechanism 4 includes a gantry frame, the bottom of which is slidably connected to the electric slide rail 101. A mounting plate is fixedly installed at the bottom of the gantry frame, and an electric push rod is fixedly installed on the mounting plate. The output end of the electric push rod is fixedly connected to one end of the horizontal frame of the fixed frame 1. Several guide rods 401 are provided on the gantry frame. A cleaning frame 402 is fixedly connected to the bottom end of the several guide rods 401. A small electric telescopic rod 403 is fixedly connected to the top center of the cleaning frame 402. A fourth small motor telescopic rod 404 is fixedly connected to both ends of the cleaning frame 402. A hanger 405 is fixedly connected to the telescopic end of the fourth small motor telescopic rod 404 and is slidably connected to the cleaning frame 402. An air outlet pipe 406 is fixedly connected to the bottom end of the hanger 405. One side of the air outlet pipe 406 is connected to a blower 407.

[0042] When in use, the extension and retraction of the small motor telescopic rod 403 drives the cleaning frame 402 on several guide rods 401 to move up and down, making it easier for the air outlet pipe 406 to approach the side of the cantilever beam column. The extension and retraction of the fourth small motor telescopic rod 404 drives the cleaning frame 402 to move closer to each other. Through the blower 407 and the air outlet pipe 406 that cooperates with it, it is convenient to clean the dust on the weld of the cantilever beam column during flaw detection.

[0043] Specifically, the flaw detection mechanism 5 includes a fixed connecting frame 501 fixedly connected to one side of the fixed frame 1. The fixed connecting frame 501 is "7" shaped. The vertical part of the fixed connecting frame 501 is fixedly connected to the fixed frame 1. The horizontal part of the fixed connecting frame 501 is connected to a first electro-hydraulic rod 502. The first electro-hydraulic rod 502 is fixedly connected to one side of the top of the fixed connecting frame 501. The telescopic end of the first electro-hydraulic rod 502 is fixedly connected to a flaw detection slide 503. One side of the flaw detection slide 503 is slidably connected to the side of the fixed connecting frame 501. The bottom end of the fixed connecting frame 501 is fixedly connected to a second electro-hydraulic rod 504. The telescopic end of the second electro-hydraulic rod 504 is fixedly connected to a flaw detector 505.

[0044] In practical use, the extension and retraction of the first electro-hydraulic rod 502 drives the flaw detection slide 503 to slide left and right, so that the flaw detector 505 can move left and right. The extension and retraction of the second electro-hydraulic rod 504 pushes the flaw detector 505 to adjust its horizontal height, thereby facilitating the flaw detection of the cantilever beam column.

[0045] It should be noted that, in this document, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element. Furthermore, it should be noted that the scope of the methods and apparatuses in the embodiments of this application is not limited to performing functions in the order shown or discussed, but may also include performing functions substantially simultaneously or in the reverse order, depending on the functions involved. For example, the described methods may be performed in a different order than described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

[0046] The embodiments of this application have been described above with reference to the accompanying drawings. However, this application is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of this application without departing from the spirit and scope of the claims, and all of these forms are within the protection scope of this application.

Claims

1. A cantilever beam column weld joint flaw detection cleaning device, comprising a fixed frame (1), characterized in that, The fixed frame (1) is a "ten" shaped frame body, wherein two electric sliding rails (101) are arranged above opposite ends of the transverse frame body of the fixed frame (1), an adjusting mechanism (3) and a fixing mechanism (2) are respectively arranged above opposite ends of the longitudinal frame body of the fixed frame (1), a cleaning mechanism (4) is slidably arranged above the two electric sliding rails (101), and the cleaning mechanism (4) is used for cleaning dust in a gap of a flaw detection position; The fixing mechanism (2) is used for fixing the cantilever beam; The adjusting mechanism (3) is used for clamping and adjusting the cantilever beam column; The adjusting mechanism (3) comprises an adjusting frame (301), one side of the adjusting frame (301) is fixedly connected with a second electric telescopic rod, the telescopic end of the second electric telescopic rod is fixedly connected with a connecting block, the top of the connecting block is fixedly connected with an adjusting connecting frame (302), the top end of the adjusting connecting frame (302) is fixedly connected with a third electric telescopic rod (303), and the telescopic end of the third electric telescopic rod (303) is fixedly connected with a clamping frame (3031). The top of the first sliding rail (304) is slidably connected with an adjusting seat (3041), the bottom end of the adjusting seat (3041) is fixedly connected with one side of the fixed frame (1) through a fourth electric telescopic rod, the top end of the adjusting seat (3041) is symmetrically provided with two groups of sliding rails (6), the middle part of each group of sliding rails (6) is fixedly connected with a bidirectional telescopic rod (601), the telescopic end of the bidirectional telescopic rod (601) is slidably connected with an L-shaped support (602), the top end of the L-shaped support (602) is movably connected with a rolling wheel (603), one side of the L-shaped support (602) is fixedly connected with a third small motor (604), the transmission end of the third small motor (604) is fixedly connected with a driving gear (605), one side of the driving gear (605) is meshedly connected with a driven gear (606), and one side of the driven gear (606) is fixedly connected with the corresponding rolling wheel (603). The fixed frame (1) is provided with a flaw detection mechanism (5) at the center position, and the flaw detection mechanism (5) is used for performing weld seam flaw detection on the cantilever beam column clamped by the adjusting mechanism (3).

2. The cantilever beam column weld seam inspection and cleaning device of claim 1, wherein: The fixing mechanism (2) comprises a first sliding rail (201) connected with the top end of the fixed frame (1), the top of the first sliding rail (201) is slidably connected with a fixed moving frame (202), the two sides of the fixed moving frame (202) are connected with first electric telescopic rods (2021), the telescopic ends of the two first electric telescopic rods (2021) are fixedly connected with the top end of the fixed frame (1), one end of the fixed moving frame (202) is fixedly connected with a first small motor (2022), and the transmission end of the first small motor (2022) is fixedly connected with a first screw rod (203).

3. The cantilever beam column weld seam inspection and cleaning device of claim 2, wherein: The outer side thread of the first lead screw (203) is connected with a connecting block, the top of the connecting block is fixedly connected with a first mounting frame (204), and the top of the two sides of the first mounting frame (204) is fixedly connected with a second sliding rail (2041).

4. The cantilever beam column weld seam inspection and cleaning device of claim 3, wherein: A fixed shell (205) is further included, the bottom end of the fixed shell (205) is connected with the rod column outer side thread of a second lead screw (2051) through a connecting block, one end of the second lead screw (2051) is fixedly connected with the transmission end of a second small-sized motor (2052), and a penetrating shell (2053) is mounted on the top of the fixed shell (205), one side of the penetrating shell (2053) is provided with a penetrating slot hole (206), and the position of the penetrating slot hole (206) is provided with an electric hydraulic rod (207) opposite.

5. The cantilever beam column weld seam inspection and cleaning device of claim 1, wherein: The top of the adjusting seat (3041) is fixedly connected with a second sliding rail, the top end of the second sliding rail is fixedly connected with a fixed seat (3051), the two sides of the fixed seat (3051) are fixedly connected with first small-sized electric telescopic rods (3052), the telescopic ends of the two first small-sized electric telescopic rods (3052) are fixedly connected with small-sized sliding seats (306) which are in sliding connection with the top of the second sliding rail, the top of the small-sized sliding seat (306) is fixedly connected with a clamping frame (307), the top end of the clamping frame (307) is fixedly connected with a third small-sized electric telescopic rod (308), and the telescopic end of the third small-sized electric telescopic rod (308) is fixedly connected with a clamping clamp (309).

6. The cantilever beam column weld seam inspection and cleaning device of claim 1, wherein: The cleaning mechanism (4) comprises a door-shaped frame, the bottom of the door-shaped frame is in sliding connection with an electric sliding rail (101), a plurality of guide rods (401) are arranged on the door-shaped frame, the bottom ends of the plurality of guide rods (401) are fixedly connected with a cleaning frame (402), the top end of the cleaning frame (402) is fixedly connected with a small-sized electric telescopic rod (403), the two ends of the cleaning frame (402) are fixedly connected with fourth small-sized motor telescopic rods (404), the telescopic ends of the fourth small-sized motor telescopic rods (404) are fixedly connected with hangers (405) which are in sliding connection with the cleaning frame (402), and the bottom end of the hanger (405) is fixedly connected with an air outlet pipe (406), one side of the air outlet pipe (406) is in through connection with a blower (407).

7. The cantilever beam column weld seam inspection and cleaning device of claim 1, wherein: The flaw detection mechanism (5) comprises a fixed connecting frame (501) which is fixedly connected with one side of the fixed frame (1), the top end of the fixed connecting frame (501) is fixedly connected with a first electric hydraulic rod (502), the telescopic end of the first electric hydraulic rod (502) is fixedly connected with a flaw detection sliding seat (503), one side of the flaw detection sliding seat (503) is in sliding connection with the side of the fixed connecting frame (501), the bottom end of the fixed connecting frame (501) is fixedly connected with a second electric hydraulic rod (504), and the telescopic end of the second electric hydraulic rod (504) is fixedly connected with a flaw detector (505).

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