DR detection device for end face welding seam detection

Abstract

The invention relates to the technical field of end face welding seam detection, in particular to a DR detection device for end face welding seam detection, which comprises a guide rail assembly, a moving assembly, a positioning assembly, an adjusting assembly, a clamping assembly, a DR detection piece, a protection piece and an operation piece, and is characterized in that the inner wall of the guide rail assembly is in sliding butt joint with the outer wall of the moving assembly, and a rocker drives a transmission gear block to rotate; a connecting rack pushes a clamping block to clamp a detection head under the meshing acting force, a rocker drives a transmission gear block to rotate, the connecting rack pushes the clamping block to clamp the detection head under the meshing acting force, a threaded block rotates on the outer wall of a connecting sleeve, a threaded rod can push a pushing block to move, and the detection head is made to move to a weld joint. The moving motor is started, the sliding table starts to move under the friction acting force of the rolling wheels in the guide rails, and the sliding table conducts winding detection on the weld joint along the upper guide rail and the lower guide rail under the limiting acting force of the sliding blocks and the sliding grooves formed in the upper guide rail and the lower guide rail.

Description

Technical Field

[0001] The invention relates to the technical field of end face weld detection, and in particular to a DR detection device for end face weld detection. Background Art

[0002] The weld uses the high temperature of the welding heat source to melt the welding rod and the metal at the joint to form a seam. After the weld metal cools, the two welds are connected into a whole. According to the shape of the weld metal and the relative position of the welds, there are butt welds, fillet welds, plug welds and electric riveting. Butt welds are often used for splicing plates and steel sections; fillet welds are often used for lap joints; plug welds and electric riveting are rarely used and are only considered to reduce the lap length of welds.

[0003] At present, most DR detection devices for end face weld detection on the market require workers to hold the detection instrument to detect the weld when in use. The workers need to walk around the welded object to ensure the flatness of the weld. Summary of the invention

[0004] The object of the present invention is to provide a DR detection device for end face weld detection, so as to solve the problem that the above background technology requires the staff to carry out the detection of the weld with the handheld detection instrument, and the staff needs to walk around the welded object. To achieve the above purpose, the present invention provides the following technical scheme: a DR detection device for end face weld detection, comprising a guide rail assembly, a moving assembly, a positioning assembly, an adjustment assembly, a clamping assembly, a DR detection member, a protective member and an operating member, the inner wall of the guide rail assembly is slidably abutted against the outer wall of the moving assembly, the left side of the moving assembly is fixedly connected to the right side of the positioning assembly, and the front of the moving assembly is fixedly connected to the back of the adjustment assembly, the back of the adjustment assembly is fixedly connected to the front of the positioning assembly, the front of the adjustment assembly is fixedly connected to the back of the clamping assembly, the inner wall of the clamping assembly is snap-connected with the outer wall of the DR detection member, the inner wall of the DR detection member is rotatably connected to the outer wall of the protective member, the top of the protective member is movably abutted against the bottom of the operating member, and the outer wall of the operating member is slidably connected to the inner wall of the DR detection member.

[0005] Preferably, the guide rail assembly consists of an upper guide rail, a right connecting block, a right engaging block, a lower guide rail, a left engaging block, a left connecting block, a compression spring and a plug-in block, the bottom of the right side of the upper guide rail is fixedly connected to the top of the right connecting block, and the outer wall of the right connecting block is rotatably connected to the inner wall of the right engaging block, the bottom of the right engaging block is fixedly connected to the top of the right side of the lower guide rail, and the top of the left side of the lower guide rail is fixedly connected to the bottom of the left engaging block, the bottom of the left side of the upper guide rail is fixedly connected to the top of the left connecting block, and the inner wall of the left connecting block is fixedly connected to the outer wall of the compression spring, and plug-in blocks are provided at both ends of the compression spring, the left connecting block is fixedly connected to the left engaging block through the plug-in block, and the inner walls of the upper guide rail and the lower guide rail are both provided with guide rail grooves, and the outer walls on both sides of the upper guide rail and the lower guide rail are both provided with sliding grooves.

[0006] Preferably, the moving assembly includes a sliding block, a sliding table, a driving block, a moving motor, and a protective cover. A sliding rod is provided on the back of the sliding block, and the outer wall of the sliding rod is slidably connected to the inner wall of the sliding groove, the left side of the sliding block is fixedly connected to the right side of the sliding table, and the left side of the sliding table is fixedly connected to the driving block by bolts, the inner wall of the driving block is snap-connected to the outer wall of the moving motor, and the protective cover is fixedly connected to the left side of the sliding table by bolts, and the moving motor is arranged inside the protective cover, heat dissipation ports are provided on the front and back of the protective cover, and rollers are provided on the outer wall of the output shaft of the moving motor, and the outer wall of the roller is movably abutted against the inner wall of the guide rail.

[0007] Preferably, the positioning assembly consists of a positioning block, a positioning tube and a positioning rod, and the right side of the positioning block is fixedly connected to the left side of the sliding table, and the front side of the sliding table is fixedly connected to one end of the positioning tube, and the inner wall of the positioning tube is slidably plugged into the outer wall of the positioning rod.

[0008] Preferably, the adjusting assembly includes an adjusting tube, a connecting sleeve, a threaded block, a threaded rod, and a pushing block, one end of the adjusting tube is fixedly connected to the front side of the sliding block, and the other end of the adjusting tube is fixedly connected to one end of the connecting sleeve, the other end of the connecting sleeve is rotatably connected to the inner wall of the threaded block, and the inner wall of the threaded block is threadedly connected to the outer wall of the threaded rod, one end of the threaded rod is fixedly connected to the back side of the pushing block, and the back side of the pushing block close to the left side is fixedly connected to an end of the positioning rod away from the positioning tube.

[0009] Preferably, the clamping assembly consists of a clamping bin, a connecting rack, a clamping block, a transmission gear block and a rocker, the back of the clamping bin is fixedly connected to the front of the pushing block, and the inner wall of the clamping bin is slidably plugged into the outer wall of the connecting rack, the front of the connecting rack located outside the clamping bin is fixedly connected to the back of the clamping block, and the outer wall of the connecting rack is meshedly connected to the outer wall of the transmission gear block, and the outer wall on the left side of the transmission gear block is fixedly connected to the inner wall of the rocker.

[0010] Preferably, the DR detection component includes a detection head, a detector, a detection slot, a limit block and a fixed block, the outer wall of the detection head is movably abutted against the outer wall of the clamping block, and a wire connected to the detector is inserted into the back of the detection head, the inner wall of the detector is provided with a detection slot, and the outer wall of the detector near the top is fixedly connected to one side of the limit block, the outer wall of the limit block is slidably connected to the inner wall of the protective component, and the top of the detector is fixedly connected to the bottom of the fixed block.

[0011] Preferably, the protective member is composed of a protective rod, a transmission gear, a protective cover, a transmission rack, a transmission block and a transmission plate, the outer wall of the protective rod is rotatably connected to the inner wall of the fixed block, and the outer wall at the center of the protective rod is snap-connected to the inner wall of the protective cover, the outer walls at both ends of the protective rod are snap-connected to the inner wall of the transmission gear, and the outer wall of the transmission gear is meshingly connected to the outer wall of the transmission rack, the bottom of the transmission rack is fixedly connected to the top of the transmission block, and the outer wall of the transmission block is slidably connected to the inner wall of the detection groove, the front side of the transmission block is fixedly connected to the back side of the transmission plate, and the top of the transmission plate is movably abutted against the bottom of the operating member.

[0012] Preferably, the operating member includes an operating block, a placement block and an operating panel, the outer wall of the operating block is slidably connected to the inner wall of the detector, and the inner wall of the operating block is slidably plugged into the outer wall of the placement block, and one side of the placement block is movably abutted against one side of the operating panel, and the bottom of the operating panel is movably abutted against the top of the operating block.

[0013] Preferably, a flip plate is provided on the front side of the protective cover.

[0014] Compared with the prior art, the present invention has the following beneficial effects: In the present invention, the moving motor is started, and the sliding table begins to move under the friction force of the roller in the guide rail. Under the limiting force of the sliding block and the sliding grooves provided on the upper guide rail and the lower guide rail, the sliding table performs a circle detection on the weld along the upper guide rail and the lower guide rail, thereby reducing the labor intensity of the staff and bringing convenience to people's use.

[0015] In the present invention, the detection head is prevented from being clamped in the clamping bin, and the transmission tooth block is driven to rotate by the rocker, and the connected rack pushes the clamping block to clamp the detection head under the meshing force. The transmission tooth block is driven to rotate by the rocker, and the connected rack pushes the clamping block to clamp the detection head under the meshing force. The threaded block can be rotated on the outer wall of the connecting sleeve to push the pushing block to move, so that the detection head is moved to the weld. It can be quickly adjusted according to the distance of the weld, which brings convenience to the staff.

[0016] In the present invention, the upper guide rail and the lower guide rail are surrounded by the outer wall of the workpiece, and the upper guide rail and the lower guide rail can be fixed together by the plug-in block. The protective cover can be opened by grasping the flip plate. When the protective cover is flipped, the protective rod drives the transmission gear to rotate, and the transmission gear drives the transmission block to move upward through the transmission rack. When the protective cover is opened, the transmission block drives the operating block to be lifted out of the detector through the transmission plate, so that the operation panel is exposed to the user. After the detection head is taken out of the placement block, it is plugged into the input and output wires of the detector, which brings convenience to people's installation and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 is a cross-sectional view of the present invention; Figure 3 An exploded view of the present invention; Figure 4 An exploded view of the moving assembly, the positioning assembly, the adjusting assembly and the clamping assembly of the present invention; Figure 5 Exploded view of the guide rail assembly of the present invention.

[0018] In the figure: 1. Guide rail assembly; 101. Upper guide rail; 102. Right connecting block; 103. Right connecting block; 104. Lower guide rail; 105. Left connecting block; 106. Left connecting block; 107. Compression spring; 108. Plug-in block; 2. Moving assembly; 201. Sliding block; 202. Sliding table; 203. Driving block; 204. Moving motor; 205. Protective cover; 3. Positioning assembly; 301. Positioning block; 302. Positioning tube; 303. Positioning rod; 4. Adjusting assembly; 401. Adjusting tube; 402. Connecting sleeve; 403. Threaded block; 404. Threaded 405, push block; 5, clamping assembly; 501, clamping bin; 502, connecting rack; 503, clamping block; 504, transmission gear block; 505, rocker; 6, DR detection part; 601, detection head; 602, detector; 603, detection slot; 604, limit block; 605, fixing block; 7, protective part; 701, protective rod; 702, transmission gear; 703, protective cover; 704, transmission rack; 705, transmission block; 706, transmission plate; 8, operating part; 801, operating block; 802, placement block; 803, operating panel. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technical personnel in this field without creative work are within the scope of protection of the present invention.

[0020] See also Figures 1 to 5 The present invention provides a technical solution: a DR detection device for end face weld detection, comprising a guide rail assembly 1, a moving assembly 2, a positioning assembly 3, an adjusting assembly 4, a clamping assembly 5, a DR detection piece 6, a protective piece 7 and an operating piece 8, the inner wall of the guide rail assembly 1 is in sliding contact with the outer wall of the moving assembly 2, the left side of the moving assembly 2 is fixedly connected to the right side of the positioning assembly 3, and the front of the moving assembly 2 is fixedly connected to the back of the adjusting assembly 4, the back of the adjusting assembly 4 is fixedly connected to the front of the positioning assembly 3, the front of the adjusting assembly 4 is fixedly connected to the back of the clamping assembly 5, the inner wall of the clamping assembly 5 is snap-connected with the outer wall of the DR detection piece 6, the inner wall of the DR detection piece 6 is rotatably connected to the outer wall of the protective piece 7, the top of the protective piece 7 is movably contacted with the bottom of the operating piece 8, and the outer wall of the operating piece 8 is slidably connected to the inner wall of the DR detection piece 6.

[0021] In this embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the guide rail assembly 1 is composed of an upper guide rail 101, a right connecting block 102, a right engaging block 103, a lower guide rail 104, a left engaging block 105, a left connecting block 106, a compression spring 107 and a plug-in block 108. The bottom of the right side of the upper guide rail 101 is fixedly connected to the top of the right connecting block 102, and the outer wall of the right connecting block 102 is rotatably connected to the inner wall of the right engaging block 103. The bottom of the right engaging block 103 is fixedly connected to the top of the right side of the lower guide rail 104, and the top of the left side of the lower guide rail 104 is fixedly connected to the left The bottom of the connecting block 105 is fixedly connected, the bottom of the left side of the upper guide rail 101 is fixedly connected to the top of the left connecting block 106, and the inner wall of the left connecting block 106 is fixedly connected to the outer wall of the compression spring 107, and plug-in blocks 108 are provided at both ends of the compression spring 107. The left connecting block 106 is fixedly connected to the left connecting block 105 through the plug-in blocks 108, and the inner walls of the upper guide rail 101 and the lower guide rail 104 are both provided with guide rail grooves, and the outer walls on both sides of the upper guide rail 101 and the lower guide rail 104 are both provided with sliding grooves.

[0022] In this embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, the moving component 2 includes a sliding block 201, a sliding table 202, a driving block 203, a moving motor 204, and a protective cover 205. A sliding rod is provided on the back of the sliding block 201, and the outer wall of the sliding rod is slidably connected to the inner wall of the sliding groove. The left side of the sliding block 201 is fixedly connected to the right side of the sliding table 202, and the left side of the sliding table 202 is fixedly connected to the driving block 203 by bolts. The inner wall of the driving block 203 is snap-connected with the outer wall of the moving motor 204, and the protective cover 205 is fixedly connected to the left side of the sliding table 202 by bolts, and the moving motor 204 is arranged inside the protective cover 205, and heat dissipation ports are provided on the front and back of the protective cover 205, and rollers are provided on the outer wall of the output shaft of the moving motor 204, and the outer wall of the roller is movably abutted against the inner wall of the guide rail.

[0023] In this embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the positioning assembly 3 is composed of a positioning block 301, a positioning tube 302 and a positioning rod 303, and the right side of the positioning block 301 is fixedly connected to the left side of the sliding table 202, and the front side of the sliding table 202 is fixedly connected to one end of the positioning tube 302, and the inner wall of the positioning tube 302 is slidably plugged into the outer wall of the positioning rod 303.

[0024] In this embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the adjustment component 4 includes an adjustment tube 401, a connecting sleeve 402, a threaded block 403, a threaded rod 404, and a pushing block 405. One end of the adjustment tube 401 is fixedly connected to the front of the sliding block 201, and the other end of the adjustment tube 401 is fixedly connected to one end of the connecting sleeve 402. The other end of the connecting sleeve 402 is rotatably connected to the inner wall of the threaded block 403, and the inner wall of the threaded block 403 is threadedly connected to the outer wall of the threaded rod 404. One end of the threaded rod 404 is fixedly connected to the back side of the pushing block 405, and the back side of the pushing block 405 close to the left side is fixedly connected to one end of the positioning rod 303 away from the positioning tube 302.

[0025] In this embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, the clamping assembly 5 is composed of a clamping bin 501, a connecting rack 502, a clamping block 503, a transmission gear block 504 and a rocker 505. The back of the clamping bin 501 is fixedly connected to the front of the push block 405, and the inner wall of the clamping bin 501 is slidably plugged into the outer wall of the connecting rack 502. The front of the connecting rack 502 located outside the clamping bin 501 is fixedly connected to the back of the clamping block 503, and the outer wall of the connecting rack 502 is meshedly connected to the outer wall of the transmission gear block 504, and the outer wall on the left side of the transmission gear block 504 is fixedly connected to the inner wall of the rocker 505.

[0026] In this embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the DR detection component 6 includes a detection head 601, a detector 602, a detection slot 603, a limit block 604 and a fixed block 605. The outer wall of the detection head 601 is movably abutted against the outer wall of the clamping block 503, and a wire connected to the detector 602 is inserted into the back of the detection head 601. The inner wall of the detector 602 is provided with a detection slot 603, and the outer wall of the detector 602 near the top is fixedly connected to one side of the limit block 604, the outer wall of the limit block 604 is slidably connected to the inner wall of the protective component 7, and the top of the detector 602 is fixedly connected to the bottom of the fixed block 605.

[0027] In this embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the protective member 7 is composed of a protective rod 701, a transmission gear 702, a protective cover 703, a transmission rack 704, a transmission block 705 and a transmission plate 706. The outer wall of the protective rod 701 is rotatably connected to the inner wall of the fixed block 605, and the outer wall at the center of the protective rod 701 is snap-connected to the inner wall of the protective cover 703. The outer walls at both ends of the protective rod 701 are snap-connected to the inner wall of the transmission gear 702, and the outer wall of the transmission gear 702 is meshingly connected to the outer wall of the transmission rack 704. The bottom of the transmission rack 704 is fixedly connected to the top of the transmission block 705, and the outer wall of the transmission block 705 is slidably connected to the inner wall of the detection groove 603. The front of the transmission block 705 is fixedly connected to the back of the transmission plate 706, and the top of the transmission plate 706 is movably abutted against the bottom of the operating member 8.

[0028] In this embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, the operating member 8 includes an operating block 801, a placement block 802 and an operating panel 803, the outer wall of the operating block 801 is slidably connected to the inner wall of the detector 602, and the inner wall of the operating block 801 is slidably plugged into the outer wall of the placement block 802, and one side of the placement block 802 is movably abutted against one side of the operating panel 803, and the bottom of the operating panel 803 is movably abutted against the top of the operating block 801.

[0029] In this embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, a flip plate is provided on the front side of the protective cover 703 .

[0030] The use method and advantages of the present invention: When the DR detection device for end face weld detection is working, the working process is as follows: like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the upper guide rail 101 and the lower guide rail 104 are surrounded on the outer wall of the workpiece, and the upper guide rail 101 and the lower guide rail 104 can be fixed together by the plug-in block 108. The protective cover 703 can be opened by grasping the flip plate. When the protective cover 703 is flipped, the protective rod 701 drives the transmission gear 702 to rotate, and the transmission gear 702 drives the transmission block 705 to move upward through the transmission rack 704. When the protective cover 703 is opened, the transmission block 705 drives the operating block 801 to be lifted out of the detector 602 through the transmission plate 706, so that the operating panel 803 is exposed to the user, and the detection head 601 is taken out of the placement block 802 and plugged into the input and output wires of the detector 602. , prevent the detection head 601 from being in the clamping bin 501, and drive the transmission gear block 504 to rotate through the rocker 505. Under the meshing force, the connecting rack 502 pushes the clamping block 503 to clamp the detection head 601. The threaded block 403 can be rotated on the outer wall of the connecting sleeve 402 to push the pushing block 405 to move, so that the detection head 601 is moved to the weld. The moving motor 204 is started, and the sliding table 202 starts to move under the friction force of the roller in the guide rail. Under the limiting force of the sliding groove opened by the sliding block 201 and the upper guide rail 101 and the lower guide rail 104, the sliding table 202 circles around the weld along the upper guide rail 101 and the lower guide rail 104.

[0031] The above shows and describes the basic principles, main features and advantages of the present invention. Technical personnel in this industry should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only preferred examples of the present invention and are not used to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A DR detection device for end face weld detection, comprising a guide rail assembly (1), a moving assembly (2), a positioning assembly (3), an adjustment assembly (4), a clamping assembly (5), a DR detection member (6), a protective member (7) and an operating member (8), characterized in that: The inner wall of the guide rail assembly (1) is in sliding contact with the outer wall of the moving assembly (2); the left side of the moving assembly (2) is fixedly connected to the right side of the positioning assembly (3); the front side of the moving assembly (2) is fixedly connected to the back side of the adjusting assembly (4); the back side of the adjusting assembly (4) is fixedly connected to the front side of the positioning assembly (3); the front side of the adjusting assembly (4) is fixedly connected to the back side of the clamping assembly (5); the inner wall of the clamping assembly (5) is snap-connected to the outer wall of the DR detection member (6); the inner wall of the DR detection member (6) is rotatably connected to the outer wall of the protective member (7); the top of the protective member (7) is movably contacted with the bottom of the operating member (8); and the outer wall of the operating member (8) is slidably connected to the inner wall of the DR detection member (6).

2. A DR detection device for end face weld detection according to claim 1, characterized in that: The guide rail assembly (1) comprises an upper guide rail (101), a right connecting block (102), a right engaging block (103), a lower guide rail (104), a left engaging block (105), a left connecting block (106), a compression spring (107) and a plug-in block (108); the bottom of the right side of the upper guide rail (101) is fixedly connected to the top of the right connecting block (102), and the outer wall of the right connecting block (102) is rotatably connected to the inner wall of the right engaging block (103); the bottom of the right engaging block (103) is fixedly connected to the top of the right side of the lower guide rail (104), and the top of the left side of the lower guide rail (104) is rotatably connected to the inner wall of the right engaging block (103). The bottom of the connecting block (105) is fixedly connected, the bottom of the left side of the upper guide rail (101) is fixedly connected to the top of the left connecting block (106), and the inner wall of the left connecting block (106) is fixedly connected to the outer wall of the compression spring (107), and plug-in blocks (108) are provided at both ends of the compression spring (107), the left connecting block (106) is fixedly connected to the left connecting block (105) through the plug-in blocks (108), and the inner walls of the upper guide rail (101) and the lower guide rail (104) are both provided with guide rail grooves, and the outer walls of both sides of the upper guide rail (101) and the lower guide rail (104) are both provided with sliding grooves.

3. A DR detection device for end face weld detection according to claim 2, characterized in that: The moving assembly (2) comprises a sliding block (201), a sliding table (202), a driving block (203), a moving motor (204), and a protective cover (205); a sliding rod is arranged on the back of the sliding block (201), and the outer wall of the sliding rod is slidably connected to the inner wall of the sliding groove; the left side of the sliding block (201) is fixedly connected to the right side of the sliding table (202), and the left side of the sliding table (202) is fixedly connected to the driving block (203) by bolts; the inner wall of the driving block (203) is snap-connected to the outer wall of the moving motor (204), and the protective cover (205) is fixedly connected to the left side of the sliding table (202) by bolts; the moving motor (204) is arranged inside the protective cover (205); heat dissipation ports are provided on the front and back of the protective cover (205), and a roller is arranged on the outer wall of the output shaft of the moving motor (204), and the outer wall of the roller is movably abutted against the inner wall of the guide rail.

4. A DR detection device for end face weld detection according to claim 3, characterized in that: The positioning assembly (3) is composed of a positioning block (301), a positioning tube (302) and a positioning rod (303), wherein the right side of the positioning block (301) is fixedly connected to the left side of the sliding platform (202), and the front side of the sliding platform (202) is fixedly connected to one end of the positioning tube (302), and the inner wall of the positioning tube (302) is slidably plugged into the outer wall of the positioning rod (303).

5. A DR detection device for end face weld detection according to claim 4, characterized in that: The adjusting assembly (4) comprises an adjusting tube (401), a connecting sleeve (402), a threaded block (403), a threaded rod (404), and a pushing block (405); one end of the adjusting tube (401) is fixedly connected to the front side of the sliding block (201), and the other end of the adjusting tube (401) is fixedly connected to one end of the connecting sleeve (402); the other end of the connecting sleeve (402) is rotatably connected to the inner wall of the threaded block (403), and the inner wall of the threaded block (403) is threadedly connected to the outer wall of the threaded rod (404); one end of the threaded rod (404) is fixedly connected to the back side of the pushing block (405), and the back side of the pushing block (405) close to the left side is fixedly connected to one end of the positioning rod (303) away from the positioning tube (302).

6. A DR detection device for end face weld detection according to claim 5, characterized in that: The clamping assembly (5) is composed of a clamping bin (501), a connecting rack (502), a clamping block (503), a transmission gear block (504) and a rocker (505); the back side of the clamping bin (501) is fixedly connected to the front side of the push block (405); the inner wall of the clamping bin (501) is slidably plugged into the outer wall of the connecting rack (502); the front side of the connecting rack (502) located outside the clamping bin (501) is fixedly connected to the back side of the clamping block (503); the outer wall of the connecting rack (502) is meshingly connected to the outer wall of the transmission gear block (504); and the outer wall on the left side of the transmission gear block (504) is fixedly connected to the inner wall of the rocker (505).

7. A DR detection device for end face weld detection according to claim 6, characterized in that: The DR detection component (6) comprises a detection head (601), a detection instrument (602), a detection slot (603), a limit block (604) and a fixed block (605); the outer wall of the detection head (601) is movably abutted against the outer wall of the clamping block (503); a wire connected to the detection instrument (602) is plugged into the back of the detection head (601); the inner wall of the detection instrument (602) is provided with a detection slot (603); the outer wall of the detection instrument (602) near the top is fixedly connected to one side of the limit block (604); the outer wall of the limit block (604) is slidably connected to the inner wall of the protective component (7); and the top of the detection instrument (602) is fixedly connected to the bottom of the fixed block (605).

8. A DR detection device for end face weld detection according to claim 7, characterized in that: The protective member (7) is composed of a protective rod (701), a transmission gear (702), a protective cover (703), a transmission rack (704), a transmission block (705) and a transmission plate (706); the outer wall of the protective rod (701) is rotatably connected to the inner wall of the fixed block (605); the outer wall at the center of the protective rod (701) is snap-connected to the inner wall of the protective cover (703); the outer walls at both ends of the protective rod (701) are snap-connected to the inner wall of the transmission gear (702); The inner wall is snap-connected, and the outer wall of the transmission gear (702) is meshedly connected with the outer wall of the transmission rack (704), the bottom of the transmission rack (704) is fixedly connected with the top of the transmission block (705), and the outer wall of the transmission block (705) is slidably connected with the inner wall of the detection groove (603), the front side of the transmission block (705) is fixedly connected with the back side of the transmission plate (706), and the top of the transmission plate (706) is movably abutted with the bottom of the operating member (8).

9. A DR detection device for end face weld detection according to claim 8, characterized in that: The operating member (8) comprises an operating block (801), a placement block (802) and an operating panel (803); the outer wall of the operating block (801) is slidably connected to the inner wall of the detector (602), the inner wall of the operating block (801) is slidably plugged into the outer wall of the placement block (802), one side of the placement block (802) is movably abutted against one side of the operating panel (803), and the bottom of the operating panel (803) is movably abutted against the top of the operating block (801).

10. A DR detection device for end face weld detection according to claim 8, characterized in that: The front side of the protective cover (703) is provided with a flip plate.

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