Steel structure welding nondestructive testing device
By designing a detection device including a workbench, an electric telescopic rod, a pressure sensor, a clamping plate and a fixed disk, the problem of difficulty in clamping and detection of circular workpieces in the prior art is solved, and the workpieces of various shapes are realized fixed and non-destructive testing.
Patent Information
- Application Number
- CN202420916048.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-29
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2034-04-29
AI Technical Summary
The existing non-destructive testing device for welding steel structures is difficult to perform clamping and testing of circular workpieces.
A detection device including a work table, a first electric telescopic rod, a pressure sensor, a clamping plate, a limiting plate and a fixed disk are designed. The first electric telescopic rod drives the clamping plate to push the workpiece to the middle position of the workbench, and the second electric telescopic rod drives the limiting plate to make the bottom of the workpiece closely fit with the fixed disk, and the air pump forms a negative pressure to suck the workpiece, realizing that Fixing of workpieces of various shapes.
The device can effectively fix workpieces of various shapes, including linear and circular workpieces, making it convenient for non-destructive testing.
Smart Images
Figure CN222482226U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of workpiece detection, in particular to a nondestructive detection device for steel structure welding. Background Art
[0002] The welding quality of steel structures needs to be tested before they are put into use. The non-destructive testing of steel structure welding is mainly to inspect the appearance quality of the weld. The inspection content is generally the weld leg height, undercut, weld straightness, etc., as well as whether there are defects such as welding deformation, weld nodules, arc pits, and whether there are slag inclusions, pores, incomplete penetration, cracks, and lack of fusion in the weld.
[0003] The traditional detection device only has a transmission mechanism on the supporting mechanism. After the workpiece to be inspected is transported to the weld detector by the transmission mechanism, it is fixed by the clamping mechanism and then can be inspected. The clamping mechanism of some existing steel structure welding non-destructive testing devices can conveniently clamp linear workpieces, but it is difficult to clamp circular workpieces. Therefore, a steel structure welding non-destructive testing device is proposed to address the above problems. Utility Model Content
[0004] The utility model aims to provide a nondestructive testing device for steel structure welding, so as to solve the problem that the clamping mechanism of the nondestructive testing device for steel structure welding can conveniently clamp a linear workpiece, but is difficult to clamp a circular workpiece.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A nondestructive testing device for steel structure welding comprises a workbench and a first electric telescopic rod, wherein the upper side of the workbench is fixedly connected to the first electric telescopic rod, the front end of the first electric telescopic rod is fixedly connected to a pressure sensor, the front side of the pressure sensor is fixedly connected to a clamping plate, the bottom of the clamping plate is fixedly connected to a sliding block, the front side of the clamping plate is fixedly connected to a first rubber plate, the clamping plate is fixedly connected to a second electric telescopic rod, the top of the second electric telescopic rod is fixedly connected to a limit plate, the lower side of the limit plate is fixedly connected to a second rubber plate, the workbench is fixedly connected to a first fixed plate, and the inner side of the first fixed plate is fixedly connected to a second A fixed plate, the inner side of the second fixed plate is fixedly connected to the third fixed plate, the upper sides of the first fixed plate, the second fixed plate and the third fixed plate are all provided with suction holes, the lower sides of the first fixed plate, the second fixed plate and the third fixed plate are all fixedly connected to electric switch valves, the lower sides of the electric switch valves are all fixedly connected to connecting pipes, the lower ends of the connecting pipes are all fixedly connected to suction pipes, the rear ends of the suction pipes are fixedly connected to an air pump, the air pump is fixedly connected to a bending fixed plate, the top of the bending fixed plate is fixedly connected to the bottom of the workbench, the four corners of the bottom of the workbench are fixedly connected to support legs, and the front end of the top of the workbench is fixedly connected to a controller.
[0007] Preferably, the workbench is a rectangular plate, a sliding groove is provided on the top of the workbench, the workbench is slidably connected to a sliding block, there are four of the first electric telescopic rods, pressure sensors and clamping plates, the first electric telescopic rods are distributed horizontally, and the pressure sensors and clamping plates are distributed vertically.
[0008] Preferably, there are four groups of sliding blocks and first rubber plates, each of which has two sliding blocks and first rubber plates, there are four second electric telescopic rods, which are vertically distributed, and there are four limit plates and second rubber plates, which are horizontally distributed.
[0009] Preferably, the first fixed disk and the second fixed disk are both annular shells, the third fixed disk is a cylindrical shell, there are multiple air intake holes, there are three electric switch valves and connecting pipes, and the connecting pipes are all vertically distributed.
[0010] Preferably, the air intake pipe is horizontally distributed, the front end of the air intake pipe is sealed, the bent fixing plate is a "U"-shaped bent plate, there are four supporting legs, and the supporting legs are all vertically distributed.
[0011] Compared with the prior art, the beneficial effects of the utility model are:
[0012] In the utility model, by providing a clamping plate, a limiting plate, a first fixed plate, a second fixed plate and a third fixed plate, the clamping plate can be driven by the first electric telescopic rod to push the workpiece to the middle position on the top of the workbench, and the limiting plate can be driven by the second electric telescopic rod to make the bottom of the workpiece and the fixed plate fit tightly, and air can be pumped by an air pump to form a negative pressure inside the fixed plate that is completely covered by the workpiece to suck the workpiece. The device can fix workpieces of various shapes and is convenient for detection. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0014] Figure 2 It is an exploded view of the overall structure of the utility model;
[0015] Figure 3 This is a schematic diagram of the installation structure of the telescopic rod of the utility model;
[0016] Figure 4 This is a schematic diagram of the installation structure of the fixed disk of the utility model.
[0017] In the figure: 1. workbench; 2. first electric telescopic rod; 3. pressure sensor; 4. clamping plate; 5. sliding block; 6. first rubber plate; 7. second electric telescopic rod; 8. limit plate; 9. second rubber plate; 10. first fixed plate; 11. second fixed plate; 12. third fixed plate; 13. suction hole; 14. electric switch valve; 15. connecting pipe; 16. suction pipe; 17. air pump; 18. bending fixed plate; 19. supporting leg; 20. controller. DETAILED DESCRIPTION
[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0019] In the description of the present utility model, it needs to be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present utility model; the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.
[0020] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. If not otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of the utility model.
[0021] See also Figure 1-4 , the utility model provides a technical solution:
[0022] A nondestructive testing device for steel structure welding comprises a workbench 1 and a first electric telescopic rod 2, the upper side of the workbench 1 is fixedly connected to the first electric telescopic rod 2, the front end of the first electric telescopic rod 2 is fixedly connected to a pressure sensor 3, the front side of the pressure sensor 3 is fixedly connected to a clamping plate 4, the bottom of the clamping plate 4 is fixedly connected to a sliding block 5, the front side of the clamping plate 4 is fixedly connected to a first rubber plate 6, the clamping plate 4 is fixedly connected to a second electric telescopic rod 7, the top of the second electric telescopic rod 7 is fixedly connected to a limit plate 8, the lower side of the limit plate 8 is fixedly connected to a second rubber plate 9, the workbench 1 is fixedly connected to a first fixed plate 10, the inner side of the first fixed plate 10 is fixedly connected to a second fixed plate 11, and the second fixed plate 1 1 is fixedly connected to the third fixed plate 12 on the inner side, the first fixed plate 10, the second fixed plate 11 and the third fixed plate 12 are all provided with suction holes 13 on the upper sides, the first fixed plate 10, the second fixed plate 11 and the third fixed plate 12 are all fixedly connected to the electric switch valve 14 on the lower sides, the electric switch valve 14 is fixedly connected to the connecting pipe 15 on the lower side, the lower end of the connecting pipe 15 is fixedly connected to the suction pipe 16, the rear end of the suction pipe 16 is fixedly connected to the air pump 17, the air pump 17 is fixedly connected to the bending fixing plate 18, the top of the bending fixing plate 18 is fixedly connected to the bottom of the workbench 1, the four corners of the bottom of the workbench 1 are fixedly connected to the supporting legs 19, and the front end of the top of the workbench 1 is fixedly connected to the controller 20.
[0023] The workbench 1 is a rectangular plate, and a sliding groove is provided on the top of the workbench 1. The workbench 1 is slidably connected to the sliding block 5. There are four first electric telescopic rods 2, pressure sensors 3 and clamping plates 4. The first electric telescopic rods 2 are horizontally distributed, and the pressure sensors 3 and the clamping plates 4 are vertically distributed, so that the workpiece can be pushed to the middle position of the workbench 1; there are four sliding blocks 5 and first rubber plates 6, and each group of sliding blocks 5 and first rubber plates 6 has two. There are four second electric telescopic rods 7, and the second electric telescopic rods 7 are vertically distributed. There are four limit plates 8 and second rubber plates 9, and the limit plates 8 and second rubber plates 9 are horizontally distributed, so that the bottom of the workpiece and The first fixed plate 10, the second fixed plate 11, and the third fixed plate 12 fit tightly; the first fixed plate 10 and the second fixed plate 11 are both annular shells, the third fixed plate 12 is a cylindrical shell, there are multiple air intake holes 13, there are three electric switch valves 14 and three connecting pipes 15, the connecting pipes 15 are all vertically distributed, and the first fixed plate 10, the second fixed plate 11, and the third fixed plate 12 can be connected to the air pump 17 respectively; the air intake pipe 16 is horizontally distributed, the front end of the air intake pipe 16 is sealed, the bent fixed plate 18 is a "U"-shaped bent plate, there are four support legs 19, and the support legs 19 are all vertically distributed to support the workbench 1.
[0024] Working process: Turn on the power before use, control the second electric telescopic rod 7 to fully extend through the controller 20, and after the workpiece to be inspected is transported to the working table 1 of the device by the transport mechanism, control the four first electric telescopic rods 2 to extend synchronously through the controller 20, which can drive the pressure sensor 3, the clamping plate 4, and the first rubber plate 6 to move synchronously, and the sliding block 5 slides in the sliding groove of the working table 1. When the first rubber plate 6 contacts the workpiece and fits tightly with it, the pressure sensor 3 detects the change in pressure signal, and the pressure sensor 3 sends a signal to the controller 20, and the controller 20 immediately controls the first electric telescopic rod 2 to stop moving. The four first electric telescopic rods 2 move at the same speed. If the workpiece is rectangular, the front and rear two first electric telescopic rods 2 and the left and right two first electric telescopic rods 2 may not stop at the same time. If the workpiece is circular, the four first electric telescopic rods 2 stop at the same time. At this time, the workpiece The workpiece is located in the middle of the top of the workbench 1, and the second electric telescopic rod 7 is controlled to retract by the controller 20. The limit plate 8 and the second rubber plate 9 can limit the workpiece so that the bottom of the workpiece and the first fixed plate 10, the second fixed plate 11, and the third fixed plate 12 are closely fitted. Then, according to the size of the workpiece, the opening and closing of the three electric switch valves 14 are controlled by the controller 20, and the air pump 17 is started by the controller 20. The air pump 17 is pumped through the connecting pipe 15 and the suction pipe 16, so that negative pressure can be formed inside the fixed plate completely covered by the workpiece, and the workpiece is sucked by the first fixed plate 10, the second fixed plate 11, and the third fixed plate 12. Then, the second electric telescopic rod 7 is controlled to extend and the first electric telescopic rod 2 is retracted, so that there is no foreign matter around the workpiece, and the detector can be used for detection. The device can fix workpieces of various shapes for easy detection.
[0025] The contents not described in detail in this specification belong to the prior art known to the professional and technical personnel in this field. The standard parts used in this utility model can be purchased from the market, and the special-shaped parts can be customized according to the description and the drawings. The specific connection methods of each part adopt the conventional means such as bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.
[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A nondestructive testing device for steel structure welding, comprising a workbench (1) and a first electric telescopic rod (2), characterized in that: The upper side of the workbench (1) is fixedly connected to a first electric telescopic rod (2); the front end of the first electric telescopic rod (2) is fixedly connected to a pressure sensor (3); the front side of the pressure sensor (3) is fixedly connected to a clamping plate (4); the bottom of the clamping plate (4) is fixedly connected to a sliding block (5); the front side of the clamping plate (4) is fixedly connected to a first rubber plate (6); the clamping plate (4) is fixedly connected to a second electric telescopic rod (7); the top of the second electric telescopic rod (7) is fixedly connected to a limit plate (8); the lower side of the limit plate (8) is fixedly connected to a second rubber plate (9); the workbench (1) is fixedly connected to a first fixed plate (10); the inner side of the first fixed plate (10) is fixedly connected to a second fixed plate (11); the inner side of the second fixed plate (11) is fixedly connected to a third fixed plate (12); ), the first fixed plate (10), the second fixed plate (11) and the third fixed plate (12) are each provided with an air suction hole (13) on their upper sides, the first fixed plate (10), the second fixed plate (11) and the third fixed plate (12) are each fixedly connected to an electric switch valve (14) on their lower sides, the electric switch valve (14) is each fixedly connected to a connecting pipe (15) on its lower side, the lower end of the connecting pipe (15) is each fixedly connected to an air suction pipe (16), the rear end of the air suction pipe (16) is fixedly connected to an air pump (17), the air pump (17) is fixedly connected to a bending fixed plate (18), the top of the bending fixed plate (18) is fixedly connected to the bottom of a workbench (1), the four corners of the bottom of the workbench (1) are fixedly connected to supporting legs (19), and the front end of the top of the workbench (1) is fixedly connected to a controller (20).
2. A nondestructive testing device for steel structure welding according to claim 1, characterized in that: The workbench (1) is a rectangular plate, a sliding groove is provided on the top of the workbench (1), the workbench (1) is slidably connected to a sliding block (5), the first electric telescopic rod (2), the pressure sensor (3) and the clamping plate (4) are four in number, the first electric telescopic rod (2) are horizontally distributed, and the pressure sensor (3) and the clamping plate (4) are vertically distributed.
3. A nondestructive testing device for steel structure welding according to claim 1, characterized in that: The sliding block (5) and the first rubber plate (6) are each in four groups, and each group of the sliding block (5) and the first rubber plate (6) has two members. The second electric telescopic rods (7) are each in four groups, and the second electric telescopic rods (7) are each vertically distributed. The limiting plates (8) and the second rubber plates (9) are each in four groups, and the limiting plates (8) and the second rubber plates (9) are each horizontally distributed.
4. A nondestructive testing device for steel structure welding according to claim 1, characterized in that: The first fixed disk (10) and the second fixed disk (11) are both annular shells, the third fixed disk (12) is a cylindrical shell, there are multiple air intake holes (13), there are three electric switch valves (14) and three connecting pipes (15), and the connecting pipes (15) are all vertically distributed.
5. The nondestructive testing device for steel structure welding according to claim 1 is characterized in that: The air intake pipe (16) is horizontally distributed, the front end of the air intake pipe (16) is sealed, the bent fixing plate (18) is a "U"-shaped bent plate, there are four supporting legs (19), and the supporting legs (19) are all vertically distributed.