Detection device for detecting annular and straight welding seam of pressure vessel

Abstract

The utility model discloses a detection device for detecting annular and straight welding seams of a pressure vessel, which comprises a frame fixedly connected to the upper surface of a bottom plate, a cross rod fixedly connected to the inner surface of the frame, a lifting device arranged on the cross rod, a motor I fixedly connected to the lower end of the lifting device, and a bracket fixedly connected to the output end of the motor I, the lower surface of the support is fixedly connected with a detection device body, the lower surface of the support is rotatably connected with a brush roller, the upper surface of the support is fixedly connected with a second motor, the brush roller is driven by the second motor, the lower surface of the support is fixedly connected with a nozzle, the upper surface of the support is fixedly connected with an air pump, and the output end of the air pump is communicated with the nozzle. The upper surface of the bottom plate is fixedly connected with two fixing blocks, through the components, the surface state of a welding seam can be clearer, the visual recognition capability of the detection device can be improved, the possibility of misjudgment can be reduced, and the accuracy of a detection result can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of weld detection, in particular to a device for detecting straight welds of pressure vessels. Background Art

[0002] The existing weld inspection device is used to detect the weld quality of the workpiece. The main function of this equipment is to check the integrity and quality of the weld through various non-destructive inspection technologies (such as ultrasonic inspection, X-ray inspection, etc.) to ensure that there are no defects in the welding part, such as cracks, pores, inclusions, etc. If these defects exist, they may affect the safety and reliability of the pressure vessel.

[0003] However, the existing weld inspection device does not have a structure for cleaning the weld when in use. Impurities, dirt or oxides on the weld surface may affect the detection ability of the inspection device to the weld, thereby reducing the accuracy and reliability of the inspection. For example, a Chinese patent discloses a "weld non-destructive inspection device", such as the application number "CN202323197063.4". This device includes a device base, a workpiece rotating structure is provided at the upper end of the device base, a frame support is provided at the upper end of the workpiece rotating structure, a workpiece placement frame is provided at the upper end of the frame support, an electric telescopic frame is provided on the inner side of the workpiece placement frame, a workpiece clamping plate is provided at the front end of the electric telescopic frame, a support frame is provided at the upper end of the device base, and a lifting mechanism is provided at the upper end of the support frame. A lowering screw rod, a lifting motor is provided at the upper end of the lifting screw rod, a limit slide rod is provided inside the support frame, a lifting support plate is provided outside the limit slide rod, an angle adjustment structure is provided at the upper end of the lifting support plate, an ultrasonic detector is provided at the upper end of the angle adjustment structure, and a control panel is provided at the rear end of the support frame. The workpiece can be automatically rotated so that the workpiece can be comprehensively inspected, and the angle of the ultrasonic detector can be adjusted to cope with complex inspection situations. However, when it is used, it does not have a structure for cleaning the weld, and impurities, dirt or oxides on the surface of the weld may affect the detection ability of the detection device to the weld. These substances may cover up or misidentify defects in the weld, thereby reducing the accuracy and reliability of the inspection. Utility Model Content

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and to provide a device for detecting straight annular welds of pressure vessels, wherein the impurities on the surface of the weld can be directly brushed off or loosened by a brush roller, and then the weld can be further cleaned by jetting air through a nozzle, after the impurities on the surface of the weld are removed, the surface state of the weld becomes clearer, the visual recognition ability of the detection device can be improved, the possibility of misjudgment can be reduced, and the accuracy of the detection result can be improved, and the bracket can be driven to rotate by a motor, so that the detection device body can be driven to rotate around the workpiece for detection, and compared with manual operation, the automatic rotation of the detection device body driven by a motor can greatly reduce the physical exertion of the operator, and improve the convenience and comfort of operation.

[0005] The utility model also provides a device for detecting straight annular welds of pressure vessels as described above, comprising: a base plate, a frame fixedly connected to the upper surface of the base plate, a cross bar fixedly connected to the inner surface of the frame, a lifting device arranged on the cross bar, a motor 1 fixedly connected to the lower end of the lifting device, a bracket fixedly connected to the output end of the motor 1, a detection device body fixedly connected to the lower surface of the bracket, a brush roller rotatably connected to the lower surface of the bracket, a motor 2 fixedly connected to the upper surface of the bracket, the brush roller driven by the motor 2, a nozzle fixedly connected to the lower surface of the bracket, an air pump fixedly connected to the upper surface of the bracket, the output end of the air pump being connected to the nozzle, two fixed blocks fixedly connected to the upper surface of the base plate, a clamp assembly being arranged between the two fixed blocks.

[0006] According to the device for detecting straight annular welds of pressure vessels described in the utility model, the clamp assembly comprises: two electric push rods, and the two electric push rods are respectively fixedly connected to the side surfaces of the two fixed blocks.

[0007] According to the device for detecting straight annular welds of pressure vessels described in the utility model, the clamp assembly further comprises: two clamping plates, and the two clamping plates are respectively fixedly connected to the two ends of the two electric push rods.

[0008] According to the device for detecting straight annular welds of pressure vessels described in the utility model, the lifting assembly comprises: a hydraulic cylinder, and the hydraulic cylinder is fixedly connected to the lower surface of the cross bar.

[0009] According to the device for detecting straight annular welds of pressure vessels described in the utility model, the lifting assembly further comprises: a hydraulic rod, the hydraulic rod is fixedly connected to the output end of the hydraulic cylinder, and the motor is fixedly connected to the lower end of the hydraulic rod.

[0010] According to the device for detecting straight circumferential welds of pressure vessels described in the utility model, the lower surface of the bottom plate is fixedly connected with a support leg, and the side surface of the support leg is fixedly connected with a fixing rod.

[0011] According to the device for detecting straight annular welds of pressure vessels described in the utility model, a connecting rod is fixedly connected to the side surface of the frame, and a baffle is fixedly connected to the side surface of the connecting rod.

[0012] Beneficial Effects

[0013] 1. Compared with the prior art, the pressure vessel straight weld detection device can directly brush off or loosen impurities on the weld surface through the brush roller, and then the weld can be further cleaned by jetting air through the nozzle. After removing impurities on the weld surface, the surface state of the weld is clearer, which can improve the visual recognition ability of the detection device, reduce the possibility of misjudgment, and improve the accuracy of the detection results.

[0014] 2. Compared with the prior art, the pressure vessel straight weld inspection device can drive the inspection device body to rotate around the workpiece for inspection by driving the bracket to rotate through a motor. Compared with manual operation, the automatic rotation of the inspection device body driven by the motor can greatly reduce the physical exertion of the operator and improve the convenience and comfort of operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0016] Figure 1 This is a main structural diagram of a device for detecting straight annular welds of pressure vessels according to the utility model;

[0017] Figure 2 This is a right view structural diagram of a device for detecting straight annular welds of pressure vessels according to the utility model;

[0018] Figure 3 This is a left-side structural diagram of a device for detecting straight annular welds of pressure vessels according to the utility model;

[0019] Figure 4 The utility model is a rear structural diagram of a device for detecting straight annular welds of pressure vessels.

[0020] Legend:

[0021] 1. Hydraulic cylinder; 2. Hydraulic rod; 3. Motor 2; 4. Brush roller; 5. Air pump; 6. Nozzle; 7. Support leg; 8. Fixed rod; 9. Frame; 10. Cross bar; 11. Motor 1; 12. Bracket; 13. Bottom plate; 14. Enclosure; 15. Connecting rod; 16. Detection device body; 17. Fixed block; 18. Electric push rod; 19. Clamp. DETAILED DESCRIPTION

[0022] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0023] Reference Figure 1-4 The utility model embodiment is a device for detecting straight welds of a pressure vessel ring, which includes: a bottom plate 13, which is used to carry the pressure vessel ring for weld detection, a support leg 7 is fixedly connected to the lower surface of the bottom plate 13, and a fixed rod 8 is fixedly connected to the side surface of the support leg 7, a frame 9 is fixedly connected to the upper surface of the bottom plate 13, a connecting rod 15 is fixedly connected to the side surface of the frame 9, and a fence 14 is fixedly connected to the side surface of the connecting rod 15 to prevent interference from the surrounding environment, a cross bar 10 is fixedly connected to the inner surface of the frame 9 to support the lifting device, and the lifting device is arranged on the cross bar 10, and the lifting assembly includes: a hydraulic cylinder 1, which is fixedly connected to the lower surface of the cross bar 10, and the lifting assembly also includes: a hydraulic rod 2, which is fixedly connected to the output end of the hydraulic cylinder 1, a motor 11 is fixedly connected to the lower end of the hydraulic rod 2, and is used to drive the bracket 12 and the upper components to rise and fall, and the lower end of the lifting device is fixedly connected to a motor 11, which is used to drive the bracket 12 to rotate, and the output end of the motor 11 is fixedly connected to the bracket 12.

[0024] The lower surface of the bracket 12 is fixedly connected with a detection device body 16, which is the weld detection device body. It is an existing mature technology and will not be repeated in this article. The lower surface of the bracket 12 is rotatably connected with a brush roller 4 for cleaning the weld. The upper surface of the bracket 12 is fixedly connected with a motor 2 3 for driving the brush roller 4 to rotate. The brush roller 4 is driven by the motor 2 3. The lower surface of the bracket 12 is fixedly connected with a nozzle 6 for jet cleaning. The upper surface of the bracket 12 is fixedly connected with an air pump 5, and the output end of the air pump 5 is connected to the nozzle 6. The upper surface of the bottom plate 13 is fixedly connected with two fixed blocks 17, and a clamp assembly is arranged between the two fixed blocks 17. The clamp assembly includes: two electric push rods 18, and the two electric push rods 18 are respectively fixedly connected to the side surfaces of the two fixed blocks 17. The clamp assembly also includes: two clamping plates 19, and the two clamping plates 19 are respectively fixedly connected to the two ends of the two electric push rods 18 for clamping the workpiece.

[0025] Working principle: When in use, first place the pressure vessel ring to be tested on the bottom plate 13 to ensure its stable position. The two clamps 19 clamp the workpiece through the control of the electric push rod 18 to maintain its stable position. Start the hydraulic cylinder 1 and the hydraulic rod 2, adjust the height of the bracket 12, so that the detection device body 16 is located in the correct position of the weld, start the motor 2 3, and the motor 2 3 drives the brush roller 4 to rotate to mechanically clean the weld. The air pump 5 sprays air to the weld surface through the nozzle 6 for further cleaning. After cleaning, the motor 11 continues to run, and the detection device body 16 is started, which is driven by the bracket 12 to rotate around the workpiece for all-round detection.

[0026] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A device for detecting straight welds of pressure vessels, characterized in that: include: A bottom plate (13), the upper surface of the bottom plate (13) is fixedly connected to a frame (9), the inner surface of the frame (9) is fixedly connected to a cross bar (10), a lifting device is arranged on the cross bar (10), the lower end of the lifting device is fixedly connected to a motor 1 (11), the output end of the motor 1 (11) is fixedly connected to a bracket (12), the lower surface of the bracket (12) is fixedly connected to a detection device body (16), and the lower surface of the bracket (12) is rotatably connected to A brush roller (4) is provided, the upper surface of the bracket (12) is fixedly connected to a second motor (3), the brush roller (4) is driven by the second motor (3), the lower surface of the bracket (12) is fixedly connected to a nozzle (6), the upper surface of the bracket (12) is fixedly connected to an air pump (5), the output end of the air pump (5) is connected to the nozzle (6), and the upper surface of the bottom plate (13) is fixedly connected to two fixed blocks (17), and a clamp assembly is arranged between the two fixed blocks (17).

2. The device for detecting straight welds of pressure vessels according to claim 1 is characterized in that: The clamp assembly comprises two electric push rods (18), and the two electric push rods (18) are respectively fixedly connected to the side surfaces of the two fixed blocks (17).

3. The device for detecting straight welds of pressure vessels according to claim 2 is characterized in that: The clamp assembly also includes two clamping plates (19), and the two clamping plates (19) are respectively fixedly connected to the two ends of the two electric push rods (18).

4. The device for detecting straight welds of pressure vessels according to claim 1 is characterized in that: The lifting device comprises a hydraulic cylinder (1), wherein the hydraulic cylinder (1) is fixedly connected to the lower surface of a crossbar (10).

5. The device for detecting straight welds of pressure vessels according to claim 4 is characterized in that: The lifting device further comprises: a hydraulic rod (2), wherein the hydraulic rod (2) is fixedly connected to the output end of the hydraulic cylinder (1), and the motor 1 (11) is fixedly connected to the lower end of the hydraulic rod (2).

6. The device for detecting straight welds of pressure vessels according to claim 1 is characterized in that: The lower surface of the bottom plate (13) is fixedly connected to a support leg (7), and the side surface of the support leg (7) is fixedly connected to a fixing rod (8).

7. The device for detecting straight welds of pressure vessels according to claim 1 is characterized in that: A connecting rod (15) is fixedly connected to the side surface of the frame (9), and a surrounding baffle (14) is fixedly connected to the side surface of the connecting rod (15).

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