A transmission centering device for weld joint flaw detection

Abstract

The utility model discloses a transmission centering device for weld flaw detection of welding joints, which belongs to the technical field of weld flaw detection equipment, and comprises a base, support plates are installed on both sides of the top of the base, a top plate is installed on the top of the support plate, an automatic telescopic rod is installed on the top of the top plate, the telescopic end of the automatic telescopic rod penetrates the top plate and extends to the outside of the top plate and is connected with a mounting plate, and a fixing box is installed on the top of the base; through the setting of a first moving mechanism and a second moving mechanism, through the cooperation of the first moving mechanism and the second moving mechanism, a steel pipe can be moved, and when it is necessary to perform flaw detection on multiple locations of the steel pipe, the steel pipe can be moved accordingly according to the demand, which is convenient for flaw detection work on the steel pipe, and at the same time, through the cooperation of the first moving mechanism and the second moving mechanism, steel pipes of different sizes can be moved, thereby improving practicality.

Description

Technical Field

[0001] The utility model relates to the technical field of weld flaw detection equipment, in particular to a transmission centering device for weld flaw detection of welding joints. Background Art

[0002] The weld is the weakest part of the welded structure. Most of the accidents caused by the failure of the welded structure are caused by the failure of the weld. Therefore, in order to ensure the quality of the welded structure, the weld needs to be inspected after welding is completed.

[0003] CN202222380416.3 discloses a fast flaw detection device for common stainless steel welds, which relates to the technical field of flaw detection devices, including a workbench, a support rod is fixed on the top of the workbench, a slide groove is provided on the top of the support rod, a slider is slidably arranged in the slide groove, a connecting plate is fixed at the bottom of the slider, a connecting sleeve is fixed on one side of the connecting plate, an ultrasonic flaw detector is arranged in the connecting sleeve, the ultrasonic flaw detector is detachably fixed in the connecting sleeve by bolts, the slider is moved by a driving device installed on the top of the support rod, the driving device includes an electric telescopic rod fixed on the top of the support rod, the output shaft of the electric telescopic rod is fixed with a connecting block, and the connecting block is fixed on the top of the slider. The utility model can facilitate the installation of the ultrasonic flaw detector and the adjustment and fixation of the position, facilitate flaw detection, and improve efficiency and stability.

[0004] There are still some problems in the use of the above patent, such as: when in use, only circular steel pipes of fixed size can be subjected to flaw detection. When multiple flaw detections are required, the position of the steel pipe needs to be moved and adjusted manually, which is time-consuming and labor-intensive and reduces practicality. Therefore, we need to propose a transmission centering device for flaw detection of welded joints. Utility Model Content

[0005] The utility model aims to provide a transmission centering device for flaw detection of weld joints, which has the advantage of being able to automatically move steel pipes for easy flaw detection, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a transmission centering device for weld joint weld flaw detection, comprising a base, support plates are installed on both sides of the top of the base, a top plate is installed on the top of the support plate, an automatic telescopic rod is installed on the top of the top plate, the telescopic end of the automatic telescopic rod passes through the top plate and extends to the outside of the top plate to be connected with a mounting plate, a fixing box is installed on the top of the base, and the top end of the fixing box passes through the mounting plate and extends to the outside of the mounting plate to be connected with the bottom of the top plate;

[0007] The bottom of the mounting plate and the front side of the top of the base are respectively provided with a first moving mechanism and a second moving mechanism for moving the steel pipe to facilitate flaw detection of the steel pipe;

[0008] The inner cavity of the base is provided with a limiting mechanism for limiting the position of the steel pipe so as to facilitate the centering movement of the steel pipe;

[0009] The bottom of the mounting plate and the other side of the top of the base are both provided with clamping mechanisms for clamping the steel pipe so as to limit the position of the steel pipe.

[0010] Preferably, the first moving mechanism includes a first support plate and a second support plate, the first support plate and the second support plate are respectively fixedly mounted at two ends of one side of the bottom of the mounting plate, one side of the first support plate is rotatably connected to a first moving wheel through a bearing seat, one end of the first moving wheel passes through the second support plate and the fixed box in sequence and extends to an inner cavity of the fixed box, one side of the fixed box is slidably connected to a slide plate, one side of the slide plate is installed with a driving motor, and the output shaft of the driving motor passes through the slide plate and the fixed box in sequence and extends to the inner cavity of the fixed box and is connected to one end of the first moving wheel.

[0011] Preferably, the second moving mechanism includes a third support plate and a fourth support plate, and the third support plate and the fourth support plate are respectively installed at two ends of one side of the top of the base, one side of the third support plate is rotatably connected to the second moving wheel through a bearing seat, one end of the second moving wheel passes through the fourth support plate and the fixed box in sequence and extends to the inner cavity of the fixed box, and the inner cavity of the fixed box is provided with a driving mechanism for driving the second moving wheel to rotate so as to move the steel pipe.

[0012] Preferably, the driving mechanism includes a rotating tube, which is arranged in the inner cavity of the fixed box, the bottom end of the rotating tube is transmission connected to one end of the second movable wheel through a first bevel gear, the inner cavity of the rotating tube is slidably connected with a rotating rod, the top end of the rotating rod passes through the rotating tube and extends to the outside of the rotating tube and is transmission connected to the output shaft of the driving motor through the second bevel gear, a driving plate is installed at the bottom of the other side of the slide, one end of the driving plate passes through the fixed box and extends to the inner cavity of the fixed box and is rotationally connected to the rotating rod through a bearing seat.

[0013] Preferably, the limiting mechanism includes a servo motor, which is fixedly mounted on one side of the inner cavity of the base, and the output shaft of the servo motor is connected to a screw rod, one end of the screw rod is rotatably connected to the other side of the inner cavity of the base through a bearing seat, and both sides of the surface of the screw rod are threadedly connected to movable plates, and the top ends of the movable plates respectively penetrate the base and extend to the outside of the base and are connected to a U-shaped bracket, and the inner side of the U-shaped bracket is rotatably connected to a limiting wheel through a bearing seat.

[0014] Preferably, the clamping mechanism comprises a fixing plate, which is fixedly mounted on the top of the base and two ends of the rear side of the bottom of the mounting plate respectively, and the inner side of the fixing plate is rotatably connected to a clamping wheel via a bearing seat.

[0015] Preferably, support sliders are installed at both front and rear ends of the other side of the slide, and a support slot is opened on one side of the fixed box at a position corresponding to the support slider, and the surface of the support slider is slidably connected to the inner cavity of the support slot.

[0016] Preferably, limit blocks are equidistantly installed on the bottom of the rotating rod surface, and a limit groove is provided in the inner cavity of the rotating tube at a position corresponding to the limit block, and the surface of the limit block is slidably connected to the inner cavity of the limit groove.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] The utility model can move the steel pipe through the arrangement of the first moving mechanism and the second moving mechanism, and can move the steel pipe accordingly according to demand, which is convenient for flaw detection work on the steel pipe, and can move steel pipes of different sizes, thereby improving practicality; the steel pipe can be limited by the limiting mechanism, and the mounting plate can be driven to move by the telescopic end of the automatic telescopic rod, and the steel pipe can be centered through the cooperation of the limiting mechanism and the clamping mechanism, so that it can always move at the center line of the base, which is convenient for flaw detection work on the moving steel pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the limiting mechanism of the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the first moving mechanism of the utility model;

[0022] Figure 4 This is a schematic diagram of the structure of the second moving mechanism of the utility model;

[0023] Figure 5 This is a schematic diagram of the driving mechanism structure of the utility model.

[0024] In the figure: 1. base; 2. support plate; 3. top plate; 4. automatic telescopic rod; 5. mounting plate; 6. fixed box; 7. first moving mechanism; 8. second moving mechanism; 9. limiting mechanism; 10. clamping mechanism; 71. first support plate; 72. second support plate; 73. first moving wheel; 74. slide plate; 75. driving motor; 81. third support plate; 82. fourth support plate; 83. second moving wheel; 84. driving mechanism; 841. rotating tube; 842. rotating rod; 843. driving plate; 91. servo motor; 92. screw rod; 93. moving plate; 94. U-shaped bracket; 95. limiting wheel; 101. fixing plate; 102. clamping wheel. DETAILED DESCRIPTION

[0025] 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.

[0026] See also Figure 1-Figure 5 The utility model provides a technical solution: a transmission centering device for flaw detection of weld joints, comprising a base 1, support plates 2 are installed on both sides of the top of the base 1, a top plate 3 is installed on the top of the support plate 2, an automatic telescopic rod 4 is installed on the top of the top plate 3, the telescopic end of the automatic telescopic rod 4 penetrates the top plate 3 and extends to the outside of the top plate 3 and is connected with a mounting plate 5, a fixing box 6 is installed on the top of the base 1, the top of the fixing box 6 penetrates the mounting plate 5 and extends to the outside of the mounting plate 5 and is connected with the bottom of the top plate 3, the bottom of the mounting plate 5 and the front side of the top of the base 1 are respectively provided with a first moving mechanism 7 and a second moving mechanism 8 for moving a steel pipe to facilitate flaw detection of the steel pipe, through the setting of the first moving mechanism 7 and the second moving mechanism 8, through the cooperation of the first moving mechanism 7 and the second moving mechanism 8, the steel pipe can be moved, when it is necessary to perform flaw detection on multiple locations of the steel pipe, the steel pipe can be moved accordingly according to the demand, which is convenient for flaw detection of the steel pipe, and at the same time, through the cooperation of the first moving mechanism 7 and the second moving mechanism 8, steel pipes of different sizes can be moved, thereby improving practicality;

[0027] The inner cavity of the base 1 is provided with a limiting mechanism 9 for limiting the steel pipe so as to facilitate the centering movement of the steel pipe. The bottom of the mounting plate 5 and the other side of the top of the base 1 are provided with a clamping mechanism 10 for clamping the steel pipe so as to facilitate the limiting of the steel pipe. Through the setting of the automatic telescopic rod 4, the mounting plate 5, the limiting mechanism 9 and the clamping mechanism 10, when in use, the steel pipe can be limited by the limiting mechanism 9, and then the automatic telescopic rod 4 is started by the external controller, the telescopic end of the automatic telescopic rod 4 drives the mounting plate 5 to move, and the mounting plate 5 drives the clamping mechanism 10 to move, and the moving clamping mechanism 10 can clamp the steel pipe. Through the cooperation of the limiting mechanism 9 and the clamping mechanism 10, the steel pipe can be centered, so that it can always move at the center line of the base 1, which is convenient for flaw detection of the moving steel pipe.

[0028] See also Figure 1-Figure 5 The first moving mechanism 7 includes a first support plate 71 and a second support plate 72, which are fixedly mounted at two ends of one side of the bottom of the mounting plate 5 respectively. One side of the first support plate 71 is rotatably connected to a first moving wheel 73 through a bearing seat, one end of the first moving wheel 73 passes through the second support plate 72 and the fixed box 6 in sequence and extends to the inner cavity of the fixed box 6, one side of the fixed box 6 is slidably connected to a slide plate 74, one side of the slide plate 74 is installed with a driving motor 75, the output shaft of the driving motor 75 passes through the slide plate 74 and the fixed box 6 in sequence and extends to the inner cavity of the fixed box 6 and is connected to one end of the first moving wheel 73, the driving motor 75 is started by the external controller, and the output shaft of the driving motor 75 can drive the first moving wheel 73 to rotate.

[0029] The second moving mechanism 8 includes a third support plate 81 and a fourth support plate 82, and the third support plate 81 and the fourth support plate 82 are respectively installed at two ends of one side of the top of the base 1, and one side of the third support plate 81 is rotatably connected to the second moving wheel 83 through a bearing seat, and one end of the second moving wheel 83 passes through the fourth support plate 82 and the fixed box 6 in sequence and extends to the inner cavity of the fixed box 6. The inner cavity of the fixed box 6 is provided with a driving mechanism 84 for driving the second moving wheel 83 to rotate so as to move the steel pipe. The driving mechanism 84 can drive the second moving wheel 83 to rotate, and the cooperation of the first moving wheel 73 and the second moving wheel 83 can facilitate the movement of the steel pipe, so as to facilitate the flaw detection work on the steel pipe.

[0030] The driving mechanism 84 includes a rotating tube 841, which is arranged in the inner cavity of the fixed box 6. The bottom end of the rotating tube 841 is transmission-connected to one end of the second moving wheel 83 through a first bevel gear. The inner cavity of the rotating tube 841 is slidably connected with a rotating rod 842. The top end of the rotating rod 842 passes through the rotating tube 841 and extends to the outside of the rotating tube 841 and is transmission-connected to the output shaft of the driving motor 75 through a second bevel gear. A driving plate 843 is installed at the bottom of the other side of the slide plate 74. One end of the driving plate 843 passes through the fixed box 6 and extends to the inner cavity of the fixed box 6 and is rotationally connected to the rotating rod 842 through a bearing seat. When the output shaft of the driving motor 75 rotates, the rotating rod 842 can be driven to rotate through the first bevel gear, and the rotating rod 842 drives the rotating tube 841 to rotate, and the rotating tube 841 can drive the second moving wheel 83 to rotate through the second bevel gear.

[0031] The limiting mechanism 9 includes a servo motor 91, which is fixedly mounted on one side of the inner cavity of the base 1. The output shaft of the servo motor 91 is connected to a screw rod 92. One end of the screw rod 92 is rotatably connected to the other side of the inner cavity of the base 1 through a bearing seat. Both sides of the surface of the screw rod 92 are threadedly connected to a movable plate 93. The top of the movable plate 93 passes through the base 1 and extends to the outside of the base 1 and is connected to a U-shaped bracket 94. The inner side of the U-shaped bracket 94 is rotatably connected to a limiting wheel 95 through a bearing seat. The servo motor 91 is started by an external controller, and the output shaft of the servo motor 91 drives the screw rod 92 to rotate. Since the threads on the surface of the screw rod 92 are arranged in opposite directions, the rotating screw rod 92 drives the movable plate 93 to approach, the movable plate 93 drives the U-shaped bracket 94 to approach, and the U-shaped bracket 94 drives the limiting wheel 95 to approach. The approaching limiting wheel 95 can limit the steel pipe.

[0032] The clamping mechanism 10 includes a fixed plate 101, which is fixedly mounted on the top of the base 1 and the two ends of one side of the bottom of the mounting plate 5 respectively. The inner side of the fixed plate 101 is rotatably connected with a clamping wheel 102 through a bearing seat. The mounting plate 5 is driven to move by the telescopic end of the automatic telescopic rod 4, and the mounting plate 5 drives the fixed plate 101 and the clamping wheel 102 at the two ends of the rear side of the bottom of the mounting plate 5 to move. The steel pipe can be clamped by cooperating with the clamping wheel 102 on the top of the base 1, and the steel pipe can be centered.

[0033] Support sliders are installed at the front and rear ends of the other side of the slide plate 74. A support groove is provided on one side of the fixed box 6 and at the corresponding position of the support slider. The surface of the support slider is slidably connected to the inner cavity of the support groove, which can support the slide plate 74 and facilitate the movement of the slide plate 74 on one side of the fixed box 6. Limiting blocks are equidistantly installed at the bottom of the surface of the rotating rod 842, and a limiting groove is provided in the inner cavity of the rotating tube 841 and at the corresponding position of the limiting block. The surface of the limiting block is slidably connected to the inner cavity of the limiting groove, which can limit the rotating rod 842 and drive the rotating tube 841 to rotate when the rotating rod 842 rotates.

[0034] 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 transmission centering device for weld joint flaw detection, characterized in that: include: A base (1), support plates (2) are installed on both sides of the top of the base (1), a top plate (3) is installed on the top of the support plate (2), an automatic telescopic rod (4) is installed on the top of the top plate (3), and the telescopic end of the automatic telescopic rod (4) passes through the top plate (3) and extends to the outside of the top plate (3) and is connected to a mounting plate (5); A fixing box (6) is installed on the top of the base (1), the top of the fixing box (6) passes through the mounting plate (5) and extends to the outside of the mounting plate (5) to be connected to the bottom of the top plate (3); the bottom of the mounting plate (5) and the front side of the top of the base (1) are respectively provided with a first moving mechanism (7) and a second moving mechanism (8) for moving the steel pipe to facilitate flaw detection of the steel pipe; A limiting mechanism (9) is arranged in the inner cavity of the base (1) for limiting the position of the steel pipe so as to facilitate the centering movement of the steel pipe, and a clamping mechanism (10) is arranged on the bottom of the mounting plate (5) and the other side of the top of the base (1) for clamping the steel pipe so as to facilitate the limiting of the position of the steel pipe.

2. A transmission centering device for weld joint flaw detection according to claim 1, characterized in that: The first moving mechanism (7) comprises a first supporting plate (71) and a second supporting plate (72), the first supporting plate (71) and the second supporting plate (72) being fixedly mounted at two ends of one side of the bottom of the mounting plate (5), respectively; one side of the first supporting plate (71) is rotatably connected to a first moving wheel (73) via a bearing seat, one end of the first moving wheel (73) respectively passes through the second supporting plate (72) and the fixing box (6) in sequence and extends to the inner cavity of the fixing box (6), one side of the fixing box (6) is slidably connected to a slide plate (74), one side of the slide plate (74) is mounted with a driving motor (75), the output shaft of the driving motor (75) passes through the slide plate (74) and the fixing box (6) in sequence and extends to the inner cavity of the fixing box (6) and is connected to one end of the first moving wheel (73).

3. A transmission centering device for weld joint flaw detection according to claim 2, characterized in that: The second moving mechanism (8) comprises a third support plate (81) and a fourth support plate (82), wherein the third support plate (81) and the fourth support plate (82) are respectively mounted at two ends of one side of the top of the base (1), one side of the third support plate (81) is rotatably connected to a second moving wheel (83) via a bearing seat, one end of the second moving wheel (83) sequentially passes through the fourth support plate (82) and the fixed box (6) and extends to the inner cavity of the fixed box (6), and the inner cavity of the fixed box (6) is provided with a driving mechanism (84) for driving the second moving wheel (83) to rotate so as to facilitate the movement of the steel pipe.

4. A transmission centering device for weld joint flaw detection according to claim 3, characterized in that: The driving mechanism (84) comprises a rotating tube (841), wherein the rotating tube (841) is arranged in the inner cavity of the fixed box (6), the bottom end of the rotating tube (841) is transmission-connected to one end of the second moving wheel (83) via a first bevel gear, the inner cavity of the rotating tube (841) is slidably connected to a rotating rod (842), the top end of the rotating rod (842) passes through the rotating tube (841) and extends to the outside of the rotating tube (841) and is transmission-connected to the output shaft of the driving motor (75) via a second bevel gear, and a driving plate (843) is installed at the bottom of the other side of the sliding plate (74), one end of the driving plate (843) passes through the fixed box (6) and extends to the inner cavity of the fixed box (6) and is rotationally connected to the rotating rod (842) via a bearing seat.

5. A transmission centering device for weld joint flaw detection according to claim 4, characterized in that: The limiting mechanism (9) comprises a servo motor (91), the servo motor (91) being fixedly mounted on one side of the inner cavity of the base (1), the output shaft of the servo motor (91) being connected to a screw rod (92), one end of the screw rod (92) being rotatably connected to the other side of the inner cavity of the base (1) via a bearing seat, both sides of the surface of the screw rod (92) being threadedly connected to a movable plate (93), the top end of the movable plate (93) respectively passing through the base (1) and extending to the outside of the base (1) and being connected to a U-shaped bracket (94), the inner side of the U-shaped bracket (94) being rotatably connected to a limiting wheel (95) via a bearing seat.

6. A transmission centering device for weld joint flaw detection according to claim 5, characterized in that: The clamping mechanism (10) comprises a fixing plate (101), wherein the fixing plate (101) is fixedly mounted at two ends of the top of the base (1) and the rear side of the bottom of the mounting plate (5), respectively, and a clamping wheel (102) is rotatably connected to the inner side of the fixing plate (101) via a bearing seat.

7. A transmission centering device for weld joint flaw detection according to claim 6, characterized in that: Support slide blocks are installed at both the front and rear ends of the other side of the slide plate (74), and a support slide groove is provided on one side of the fixed box (6) at a position corresponding to the support slide block, and the surface of the support slide block is slidably connected to the inner cavity of the support slide groove.

8. A transmission centering device for weld joint flaw detection according to claim 7, characterized in that: Limit blocks are equidistantly installed at the bottom of the surface of the rotating rod (842), and a limiting groove is provided in the inner cavity of the rotating tube (841) at a position corresponding to the limit block, and the surface of the limit block is slidably connected to the inner cavity of the limit groove.

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