CN219957473U - TOFD detection device suitable for multi-curvature object weld joint detection - Google Patents
TOFD detection device suitable for multi-curvature object weld joint detection Download PDFInfo
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- CN219957473U CN219957473U CN202321049756.6U CN202321049756U CN219957473U CN 219957473 U CN219957473 U CN 219957473U CN 202321049756 U CN202321049756 U CN 202321049756U CN 219957473 U CN219957473 U CN 219957473U
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Abstract
The utility model discloses a TOFD detection device suitable for multi-curvature object weld detection, and belongs to the field of TPFD detection equipment. Including detector body, encoder and probe, the encoder sets up on the platform, and the tip of two opposite arrangement of platform is equipped with the U template that open was arranged down respectively. Two supporting beams which are oppositely arranged are arranged below the U-shaped plate, one end of each supporting beam is hinged with the U-shaped plate, and idler wheels are rotatably arranged on the supporting beams. The end face of one support beam of the two support beams connected with the same U-shaped plate is hinged with a bottom block, and a screw rod which is vertically arranged is rotationally connected on the bottom block. The U-shaped plate is connected with a sliding table, a first sliding groove is formed in the sliding table, a sliding block is arranged in the first sliding groove in a sliding mode, and a screw rod is in threaded connection with a threaded hole in the sliding block. Two probe mounting frames are arranged below the platform at intervals, and probes are connected with the probe mounting frames. The relative position between the rollers at the same side can be adjusted, and the detection of the pipeline with the elbow or curvature change can be realized.
Description
Technical Field
The utility model belongs to the field of TPFD (time of flight diffraction) detection equipment, and particularly relates to a TOFD detection device suitable for multi-curvature object weld detection.
Background
TOFD is a nondestructive testing method for testing by utilizing ultrasonic diffraction time difference, is widely used for testing welding of pipes and plates, and comprises a tester body, an encoder and a probe.
The patent in 2020, 10 months and 27 days, issued by China, a TOFD detector for pipeline detection with an authorized bulletin number of CN211785343U comprises a bracket and a plurality of movable wheels, wherein the bracket comprises a guide rod and two side plates, the guide rod is arranged in the two side plates in a penetrating way, the movable wheels are respectively connected with one side of the side plates deviating from each other, the detector also comprises two pairs of movable blocks and detection probes which are arranged in opposite directions, the movable blocks are arranged on the guide rod in a penetrating way, locking members for locking the movable blocks are respectively connected with one side of the movable blocks deviating from each other, the detection probes are connected with the movable blocks, and a fine adjustment assembly for adjusting the detection probes is further connected between the detection probes and the movable blocks.
The movable wheels are connected with the side plates, so that the arrangement positions between the two movable wheels cannot be adjusted, and the detection cannot be carried out on a pipeline with an elbow or curvature change.
Disclosure of Invention
The utility model aims to solve the technical problems that: the utility model overcomes the defects of the prior art, provides a TOFD detection device suitable for detecting the weld joint of a multi-curvature object, and can adjust the relative position between rollers at the same side and detect a pipeline with an elbow or curvature change.
The utility model solves the problems that the technical proposal adopted is as follows:
TOFD detection device suitable for multi-curvature object weld joint detection comprises a detector body, an encoder and a probe, wherein the encoder is arranged on a platform, and two opposite arranged end parts of the platform are respectively provided with a U-shaped plate with an opening arranged downwards.
Two supporting beams which are oppositely arranged are arranged below the U-shaped plate, one end of each supporting beam is hinged with the U-shaped plate, and idler wheels are rotatably arranged on the supporting beams.
The end face of one support beam of the two support beams connected with the same U-shaped plate is hinged with a bottom block, and a screw rod which is vertically arranged is rotationally connected on the bottom block.
The U-shaped plate is connected with a sliding table, a first sliding groove is formed in the sliding table, a sliding block is arranged in the first sliding groove in a sliding mode, and a screw rod is in threaded connection with a threaded hole in the sliding block.
Two probe mounting frames are arranged below the platform at intervals, and probes are connected with the probe mounting frames.
Preferably, the two support beams are respectively provided with a gear at the hinged end of the U-shaped plate, the two gears are meshed and connected, and the gears are hinged with the U-shaped plate through a rotating shaft.
Preferably, at least two rollers are rotatably arranged on each supporting beam.
Preferably, the circumferential surface of the roller includes a central plane and inclined surfaces on both sides of the plane.
Preferably, a handle is fixed at the center of the top of the platform.
Preferably, the top surface of the platform is provided with an encoder mounting groove, and the encoder is arranged in the encoder mounting groove.
Preferably, the probe mounting frame comprises a clamp, a slide bar and a sleeve, wherein the upper part of the clamp is connected with a spring base through a plurality of connecting plates which are obliquely arranged, and the slide bar is vertically fixed above the spring base.
The slide bar is inserted inside the sleeve pipe, sleeve pipe top and platform fixed connection are equipped with the second spout of perpendicular arrangement on the sleeve pipe periphery, and the inside slip of second spout is equipped with the stopper, stopper and slide bar fixed connection.
The slide bar is sleeved with a spring, and the spring is arranged between the spring base and the bottom surface of the sleeve.
The probe is clamped and clamped inside.
Preferably, the clip is centered on the slide bar axis.
Preferably, the shape of the clamp is a frame structure, one side of the clamp is provided with an opening, and the side walls on two sides of the opening of the clamp are connected with fixing knobs in a threaded manner.
Preferably, two symmetrically arranged adjusting slide ways are arranged on the platform, an adjusting slide block is fixed on the top surface of the U-shaped plate, and the upper half part of the adjusting slide block is arranged inside the adjusting slide ways in a sliding mode.
The lower half parts of the two adjusting slide blocks are jointly penetrated with an adjusting screw rod, two threaded parts with opposite screwing directions are arranged on the adjusting screw rod, and the two threaded parts are respectively in threaded connection with the two adjusting slide blocks.
Compared with the prior art, the utility model has the beneficial effects that:
(1) The probe mounting frame does not interfere with the practicability of the probe, so that the probe mounting frame is convenient to adapt to pipelines with different curvatures.
(2) The relative position between the rollers can be adjusted, and the device is suitable for pipelines with different pipe diameters.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a block diagram of a TOFD control device according to the present utility model for multi-curvature object weld detection,
figure 2 is a bottom view of a TOFD test apparatus of the present utility model suitable for use in the detection of multi-curvature object welds,
figure 3 is a view showing the structure of the TOFD control device after removal of the platform for multi-curvature object weld detection according to the present utility model,
figure 4 is a block diagram of a roller support device of a TOFD detection device adapted for multi-curvature object weld detection according to the present utility model,
FIG. 5 is a schematic diagram of the positions of two roller support beams on the same side of a TOFD control device for multi-curvature object weld detection according to the present utility model,
figure 6 is a cross-sectional view of a roller in a TOFD test apparatus of the present utility model suitable for use in the detection of multi-curvature object welds,
figure 7 is a diagram of the utility model for a TOFD control device probe mount configuration for multi-curvature object weld detection,
fig. 8 is a cross-sectional view of fig. 7.
In the figure, the device comprises a 1-platform, a 101-adjusting slideway, a 2-U-shaped plate, a 201-adjusting slide block, a 3-sliding table, a 301-first sliding groove, a 4-supporting beam, a 401-gear, a 402-rotating shaft, a 5-roller, a 501-plane, a 502-inclined plane, a 6-bottom block, a 7-screw rod, an 8-sliding block, a 9-probe mounting frame, a 901-clamping frame, a 902-connecting plate, a 903-spring base, a 904-sliding bar, a 9041-limiting block, a 905-spring, a 906-sleeve, a 9061-second sliding groove, a 10-handle, a 11-encoder mounting groove, a 12-adjusting screw rod, a 13-encoder and a 14-probe.
Detailed Description
Certain terms are used throughout the description and claims to refer to particular components. Those of skill in the art will appreciate that a hardware manufacturer may refer to the same component by different names. The description and claims do not take the form of an element differentiated by name, but rather by functionality. As used throughout the specification and claims, the word "comprise" is an open-ended term, and thus should be interpreted to mean "include, but not limited to. By "substantially" is meant that within an acceptable error range, a person skilled in the art is able to solve the technical problem within a certain error range, substantially achieving the technical effect.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "horizontal", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
The drawings are preferred embodiments of the TOFD control device for multi-curvature object weld detection, and the utility model is further described in detail below with reference to the drawings.
The TOFD detection device suitable for multi-curvature object weld detection comprises a detector body, an encoder 13 and a probe 14, wherein the encoder 13 is arranged on the platform 1. The two opposite ends of the platform 1 are respectively provided with a U-shaped plate 2 with an opening arranged downwards.
Two supporting beams 4 which are oppositely arranged are arranged below the U-shaped plate 2, one end of each supporting beam 4 is clamped inside the U-shaped plate 2 and hinged with the U-shaped plate 2, rollers 5 are rotatably arranged on the supporting beams 4, and the rollers 5 are magnetic. Since there may sometimes be bends in the pipes on both sides of the weld, at least two rollers 5 are rotatably provided on each support beam 4 in order to increase the contact between the rollers 5 and the bent portions. The circumference of the roller 5 comprises a central plane 501 and inclined planes 502 on both sides of the plane 501, so that the inclined planes 502 can be contacted with the pipe elbow part to improve the supporting force.
The end face of at least one supporting beam 4 is hinged with a bottom block 6, a screw rod 7 which is vertically arranged is rotationally connected on the bottom block 6, and the axis of the hinging shaft of the bottom block 6 and the supporting beam 4 is vertically intersected with the axis of the screw rod 7.
The U-shaped plate 2 is connected with a sliding table 3, a first sliding groove 301 is formed in the sliding table 3, a sliding block 8 is arranged in the first sliding groove 301 in a sliding mode, and a screw rod 7 is in threaded connection with a threaded hole in the sliding block 8. The sliding table 3 is fixed, and the rotating screw rod 7 can adjust the angle between the two supporting beams 4 at the same side, so as to adjust the interval distance between the rollers 5, and is suitable for pipelines with different diameters.
Two probe mounting frames 9 are arranged below the platform 1 at intervals, and in order to adjust the interval distance between the two probe mounting frames 9, the two probe mounting frames 9 are slidably connected with the bottom surface of the platform 1 or fixedly connected with the U-shaped plate 2 through a connecting plate.
The probe mount 9 includes clips 901, slide bars 904, and sleeves 906. A spring base 903 is connected above the clip 901 by a plurality of connection plates 902 which are arranged obliquely, and a slide bar 904 is vertically fixed above the spring base 903.
The slide bar 904 is inserted into the sleeve 906, and the top of the sleeve 906 is fixedly connected with the platform 1.
The circumference of the sleeve 906 is provided with a second chute 9061 which is vertically arranged, a limiting block 9041 is arranged in the second chute 9061 in a sliding way, and the limiting block 9041 is fixedly connected with the sliding rod 904.
The slide rod 904 is sleeved with a spring 905, and the spring 905 is arranged between the spring base 903 and the bottom surface of the sleeve 906.
The clip 901 is centered on the axis of the slide bar 904. Thus, when the probe 14 is clamped inside the clamp 901, the clamp 901 does not interfere when detecting pipes with different curvatures.
The shape of the clamp 901 is a frame structure, one side of the clamp 901 is provided with an opening, and the side walls on two sides of the opening of the clamp 901 are connected with fixing knobs in a threaded manner. The probe 14 is arranged in the clamp 901, and a fixing knob is used for fixing the probe 14.
In order to facilitate the angle adjustment between the two support beams 4, the two support beams 4 are always symmetrically arranged, and only one support beam 4 is connected with a screw rod 7 in the two support beams 4 connected with the same U-shaped plate 2.
The two support beams 4 are respectively provided with a gear 401 at the hinged end of the U-shaped plate 2, the two gears 401 are meshed and connected, and the gears 401 are hinged with the U-shaped plate 2 through a rotating shaft 402.
A handle 10 is fixed at the center of the top of the platform 1, so that the platform 1 can be pushed to move conveniently. The top surface of the platform 1 is provided with an encoder mounting groove 11 for mounting an encoder, and the encoder 13 is directly clamped inside the encoder mounting groove 11.
In order to adjust the whole span, two symmetrically arranged adjusting slide ways 101 are arranged on the platform 1, an adjusting slide block 201 is fixed on the top surface of the U-shaped plate 2, the upper half part of the adjusting slide block 201 is arranged in the adjusting slide ways 101 in a sliding way,
the lower half parts of the two adjusting slide blocks 201 are jointly penetrated with an adjusting screw rod 12, the adjusting screw rod 12 is provided with two threaded parts with opposite screwing directions, the two threaded parts are respectively in threaded connection with the two adjusting slide blocks 201, and the distance between the two U-shaped plates 2 is adjusted by rotating the adjusting screw rod 12.
The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (10)
1. TOFD detection device suitable for multi-curvature object weld joint detection, including detector body, encoder (13) and probe (14), its characterized in that:
the encoder (13) is arranged on the platform (1), two opposite arranged end parts of the platform (1) are respectively provided with a U-shaped plate (2) with an opening arranged downwards,
two supporting beams (4) which are oppositely arranged are arranged below the U-shaped plate (2), one end of each supporting beam (4) is hinged with the U-shaped plate (2), rollers (5) are rotatably arranged on the supporting beams (4),
the end face of one supporting beam (4) of the two supporting beams (4) connected with the same U-shaped plate (2) is hinged with a bottom block (6), a screw rod (7) which is vertically arranged is rotationally connected on the bottom block (6),
the U-shaped plate (2) is connected with a sliding table (3), a first sliding groove (301) is arranged on the sliding table (3), a sliding block (8) is arranged in the first sliding groove (301) in a sliding way, a screw rod (7) is in threaded connection with a threaded hole on the sliding block (8),
two probe mounting frames (9) are arranged below the platform (1) at intervals, and probes (14) are connected with the probe mounting frames (9).
2. The TOFD testing device for multi-curvature object weld testing according to claim 1, wherein:
two support beams (4) are provided with a gear (401) at the hinged end of the U-shaped plate (2), the two gears (401) are connected in a meshed mode, and the gears (401) are hinged to the U-shaped plate (2) through a rotating shaft (402).
3. The TOFD detection apparatus for weld detection of multi-curvature objects of claim 2, wherein:
at least two rollers (5) are rotatably arranged on each supporting beam (4).
4. A TOFD test apparatus for weld inspection of objects of multiple curvature as claimed in claim 3, wherein:
the circumference of the roller (5) comprises a middle plane (501) and inclined planes (502) at two sides of the plane (501).
5. The TOFD testing device for multi-curvature object weld testing as claimed in claim 4, wherein:
a handle (10) is fixed at the center of the top of the platform (1).
6. The TOFD testing device for multi-curvature object weld testing as claimed in claim 5, wherein:
the top surface of the platform (1) is provided with an encoder mounting groove (11), and the encoder (13) is arranged inside the encoder mounting groove (11).
7. The TOFD testing device for multi-curvature object weld testing as claimed in claim 6, wherein:
the probe mounting frame (9) comprises a clamp (901), a slide rod (904) and a sleeve (906),
a spring base (903) is connected above the clamp (901) through a plurality of connecting plates (902) which are obliquely arranged, a slide bar (904) is vertically fixed above the spring base (903),
the slide rod (904) is inserted into the sleeve (906), the top of the sleeve (906) is fixedly connected with the platform (1),
a second chute (9061) which is vertically arranged is arranged on the circumferential surface of the sleeve (906), a limiting block (9041) is arranged in the second chute (9061) in a sliding way, the limiting block (9041) is fixedly connected with the sliding rod (904),
a spring (905) is sleeved on the slide rod (904), the spring (905) is arranged between the spring base (903) and the bottom surface of the sleeve (906),
the probe (14) is clamped with the inside of the clamp (901).
8. The TOFD testing device for multi-curvature object weld testing as recited in claim 7, wherein:
the clamp (901) is centered on the axis of the slide bar (904).
9. The TOFD testing device for multi-curvature object weld testing of claim 8, wherein:
the shape of the clamp (901) is a frame structure, one side of the clamp is provided with an opening, and the side walls on two sides of the opening of the clamp (901) are connected with fixing knobs in a threaded manner.
10. The TOFD testing device for multi-curvature object weld testing of claim 9, wherein:
two symmetrically arranged adjusting slide ways (101) are arranged on the platform (1), an adjusting slide block (201) is fixed on the top surface of the U-shaped plate (2), the upper half part of the adjusting slide block (201) is arranged in the adjusting slide ways (101) in a sliding way,
the lower half parts of the two adjusting slide blocks (201) are jointly penetrated with an adjusting screw rod (12), two threaded parts with opposite screwing directions are arranged on the adjusting screw rod (12), and the two threaded parts are respectively in threaded connection with the two adjusting slide blocks (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321049756.6U CN219957473U (en) | 2023-05-05 | 2023-05-05 | TOFD detection device suitable for multi-curvature object weld joint detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321049756.6U CN219957473U (en) | 2023-05-05 | 2023-05-05 | TOFD detection device suitable for multi-curvature object weld joint detection |
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| Publication Number | Publication Date |
|---|---|
| CN219957473U true CN219957473U (en) | 2023-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321049756.6U Active CN219957473U (en) | 2023-05-05 | 2023-05-05 | TOFD detection device suitable for multi-curvature object weld joint detection |
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| Country | Link |
|---|---|
| CN (1) | CN219957473U (en) |
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- 2023-05-05 CN CN202321049756.6U patent/CN219957473U/en active Active
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