A probe clamping tooling

Abstract

The present invention discloses a probe clamping tooling, which includes a rectangular frame, a transverse guide rail, a longitudinal guide rail, a connecting rod, a probe fixture, a square body, and a circular body. Two communicating grooves are machined on the inner surface of the rectangular frame. The transverse guide rail and the longitudinal guide rail are respectively installed on the communicating grooves. Through grooves along the length direction are machined at the middle positions of the transverse guide rail and the longitudinal guide rail. The upper end of the connecting rod is connected to the transverse guide rail and the longitudinal guide rail, and the lower end of the connecting rod is connected to the probe fixture. The probe fixture consists of an external square body and an internal circular body, and the square body and the circular body are combined through balls. In the present invention, the probe is stably coupled to the workpiece to be inspected through the magnets and springs on the clamping tooling, realizing the stable coupling and scanning of the probe.

Description

Technical Field

[0001] The present invention belongs to the field of non-destructive testing, and particularly relates to a probe clamping tooling. Background Art

[0002] When performing non-destructive testing on components, the coupling conditions and scanning positions of the probes have a great impact on both the testing efficiency and reliability. To improve the testing reliability and efficiency, a probe clamping tooling for the component to be tested is usually designed to improve the defect detection efficiency and quantitative accuracy.

[0003] Common probe clamping toolings have disadvantages such as being relatively complex, having poor versatility, and low probe positioning accuracy, which greatly reduces the reliability and efficiency of non-destructive testing of workpieces.

[0004] The present invention discloses a probe clamping tooling with a simple structure and strong versatility, which can simultaneously achieve precise scanning and accurate positioning of the probe, and is of great significance for realizing efficient and reliable testing of workpieces. Summary of the Invention

[0005] To solve the problem of detection defects caused by unreliable probe clamping in the prior art, the technical problem to be solved by the present invention is to provide a probe clamping tooling to enable precise scanning and accurate positioning of the probe, and to achieve efficient and reliable non-destructive testing of components.

[0006] The present invention is implemented by adopting the following technical solutions:

[0007] A probe clamping tooling includes an outer frame, a connecting rod, an external square body, and a circular body;

[0008] A plurality of support legs are provided at the lower end of the outer frame, and magnetic wheels are connected to the ends of the support legs; the inner surface of the outer frame is machined with a first connected groove and a second connected groove. A first transverse guide rail is installed on the first connected groove, and a second longitudinal guide rail is installed on the second connected groove. First through grooves and second through grooves along the length direction are provided at the middle positions of the first transverse guide rail and the second longitudinal guide rail;

[0009] The upper end of the connecting rod sequentially passes through the first through groove and the second through groove and is connected to the first transverse guide rail and the second longitudinal guide rail. The lower end of the connecting rod is connected to a probe fixture connecting arm; the probe fixture connecting arm is of a claw-shaped structure, the lower part of the probe fixture connecting arm is connected to the outer periphery of the external square body, and the circular body is arranged inside the external square body through ball bearings;

[0010] Screw holes for fixing the probe are provided on the circular body.

[0011] The present invention is further improved in that there are 4 magnetic wheels in total.

[0012] The present invention is further improved in that the cross-sections of the first and second communicating grooves are both rectangular and are arranged at different heights.

[0013] The present invention is further improved in that the thicknesses of the first transverse guide rail and the second longitudinal guide rail match the widths of the first and second communicating grooves.

[0014] The present invention is further improved in that the widths of the first through groove and the second through groove are the same and both are adapted to the upper end of the connecting rod.

[0015] The present invention is further improved in that a retaining ring is provided at the upper end of the connecting rod, and a spring is sleeved on the lower part; the upper end of the spring contacts the first transverse guide rail or the second longitudinal guide rail, and the lower end of the spring contacts the upper part of the probe fixture connecting arm.

[0016] The present invention is further improved in that the lower end of the connecting rod is connected to the probe fixture connecting arm through a fastener.

[0017] The present invention is further improved in that the thickness of the square body is less than the thickness of the circular body, and the upper part of the circular body protrudes from the surface of the square body; the screw hole is provided on the side surface of the protruding circular body.

[0018] The inner surface of the square body is circular, and the inner surface of the circular body is square.

[0019] The present invention is further improved in that a first groove adapted to the ball is machined on the surface of the square body, and a second groove adapted to the ball is machined on the surface of the circular body.

[0020] The present invention is further improved in that scale lines with a minimum graduation of 9° are engraved on the circular edge of the upper surface of the circular body; scale lines with a minimum graduation of 10° are engraved on the circular edge of the upper surface of the square body.

[0021] The present invention has the following beneficial technical effects:

[0022] The present invention is composed of a peripheral frame, a connecting rod, an external square body, a circular body, etc. By providing two layers of communicating grooves and two transverse and vertical guide rails in the peripheral frame, the connecting rod can be moved at any angle, and the angle adjustment of the fixed probe can be realized. The probe is stably coupled to the workpiece to be inspected through the magnet and spring on the clamping tooling, realizing the stable coupling and scanning of the probe; the present invention stably couples the probe to the workpiece to be inspected through the magnet and spring on the clamping tooling, realizing the stable coupling and scanning of the probe; through the probe position and swing angle measurement functions of the detection tooling, the position and swing angle of the probe are determined in real time, providing a stable guarantee for probe detection.

[0023] Furthermore, the swinging angle of the probe is determined in real time by detecting the swinging angle measurement function of the tooling. By utilizing the principle of dislocation amplification, the present invention achieves a minimum accurate angle reading of 1° when the minimum scale of the swinging angle (θ) is 10°. Description of the Drawings

[0024] Figure 1 It is a schematic structural diagram of a probe clamping tooling according to the present invention;

[0025] Figure 2 It is a sectional view of a probe clamping tooling according to the present invention.

[0026] Description of the Reference Numerals:

[0027] 1 - rectangular box (outer frame), 2 - support leg, 3 - magnetic wheel, 4 - connected groove, 5 - connected groove, 6 - transverse guide rail, 7 - longitudinal guide rail, 8 - transverse guide rail through slot, 9 - longitudinal guide rail through slot, 10 - connecting rod, 11 - probe fixture connecting arm, 12 - square body, 13 - circular body, 14 - ball, 15 - retaining ring, 16 - spring, 17 - square body groove, 18 - circular body groove, 19 - screw hole. Detailed Embodiment

[0028] In order to make the objectives and technical solutions of the present invention clearer and easier to understand, the present invention will be further described in detail below with reference to the drawings and embodiments. The specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0029] In the description of the present invention, it should be understood that the orientation or positional relationships indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, unless otherwise specified, the meaning of "a plurality" is two or more. In the description of the present invention, it should be noted that unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0030] The following further describes the present invention in detail with reference to the drawings and specific embodiments:

[0031] Reference Figures 1 to 2 , a probe clamping tooling provided by the present invention includes a peripheral frame 1, a connecting rod 10, an external square body 12, and a circular body 13; the periphery of the tooling is a rectangular frame 1, and each of the four corners of the rectangular frame 1 has a support leg 2, and the end of the support leg is connected with a magnetic wheel 3.

[0032] The inner surface of the rectangular frame 1 is machined with a first communicating groove 4 and a second communicating groove 5. A transverse guide rail 6 is installed on the first communicating groove 4, and a longitudinal guide rail 7 is installed on the second communicating groove 5. Both the middle positions of the transverse guide rail 6 and the longitudinal guide rail 7 are machined with a first through groove 8 and a second through groove 9 along the length direction. The upper end of the connecting rod 10 is connected with the transverse guide rail 6 and the longitudinal guide rail 7, and the lower end of the connecting rod 10 is connected with a probe fixture connecting arm 11.

[0033] The probe fixture connecting arm 11 is a claw-type structure, preferably as Figure 1 shown, and a four-claw structure is adopted. The lower parts of the four claws of the probe fixture connecting arm 11 are connected with the four corners of the outer periphery of the external square body 12, and the circular body 13 is arranged inside the external square body 12 through a ball 14.

[0034] Preferably, there are a total of 4 magnetic wheels 3 for adsorbing the clamping tooling on the workpiece to be inspected. Preferably, the magnetic wheels 3 can be integrated with the encoder on the same shaft.

[0035] The cross-sections of the first connected groove 4 and the second connected groove 5 are both rectangular and at different heights. The thicknesses of the transverse guide rail 6 and the longitudinal guide rail 7 match the widths of the first connected groove 4 and the second connected groove 5. The widths of the first through groove 8 and the second through groove 9 are the same and are both matched with the outer diameter of the upper end of the connecting rod 10. The upper part of the connecting rod 10 is sleeved on the transverse guide rail 6 and the longitudinal guide rail 7.

[0036] A retaining ring 15 is provided at the upper end of the connecting rod 10, and a spring 16 is sleeved on the lower part. The upper end of the spring 16 contacts the first transverse guide rail 6 or the second longitudinal guide rail 7, and the lower end of the spring 16 contacts the upper part of the probe fixture connecting arm 11. The function of the spring is to give a constant downward pressure to the probe so that the probe is stably coupled to the surface of the workpiece.

[0037] The connecting rod 10 is connected to the probe fixture connecting arm 11 through fasteners. Preferably, the fasteners can be a bolt-nut combination.

[0038] The thickness of the square body 12 is less than that of the circular body 13. The inner surface of the square body 12 is circular, and the inner surface of the circular body 13 is square. The thickness of the square body 12 is less than that of the circular body 13 to reserve space for the screw hole 19 of the circular body 13 in height.

[0039] The first groove 17 for cooperating with the ball is machined on the surface of the square body 12, and the second groove 18 for cooperating with the ball is machined on the surface of the circular body 13.

[0040] The side surface of the circular body 13 protruding from the square body 12 is provided with a screw hole 19 for fixing the probe.

[0041] The circular edge of the upper surface of the circular body 13 is engraved with scale lines with a minimum graduation of 9°. Using the principle of dislocation magnification, the minimum angle value can be accurate to 1°. Preferably, the number of scale lines can be 10, 20, or 30.

[0042] The circular edge of the upper surface of the square body 12 is engraved with scale lines with a minimum graduation of 10°. Preferably, the number of scale lines can be 36.

[0043] Reference Figures 1 to 2 , the working principle of the tooling of the present invention will be further described as follows:

[0044] The probe is fixed on the square through - slot of the circular body 13 by threading a screw through the screw hole 19. At the same time, the clamping tooling is adsorbed on the surface of the workpiece to be inspected through the magnetic wheel 3. At this time, the spring 16 applies pressure to the connecting rod 10, pressing the probe stably on the surface of the workpiece to be inspected. The probe can be scanned in the first through - slot 8 and the second through - slot 9 of the transverse guide rail 6 and the longitudinal guide rail 7 when the clamping tooling is fixed, and the position of the probe can be read out through the scale on the upper surface of the rectangular frame. The probe can also be scanned on the surface of the workpiece through the magnetic wheel 3 of the clamping tooling. The scanning distance and position can be obtained through the encoder coaxial with the magnetic wheel 3. The swinging angle of the probe at this time can be read out through the circular edge scale line on the upper surface of the circular body 13 and the circular edge scale line on the upper surface of the square body 12, realizing angle measurement with a minimum division of 1°.

[0045] The above - mentioned embodiments are only for illustrating the technical concept and features of the present invention. The purpose is to enable those who are familiar with this technology to understand the content of the present invention and implement it accordingly, and it cannot be used to limit the protection scope of the present invention. All equivalent changes or modifications made according to the spirit and essence of the present invention should be covered within the protection scope of the present invention.

Claims

1. A probe clamping tooling, characterized in that, It includes a peripheral frame, a connecting rod, an external square body and a circular body; A plurality of support legs are provided at the lower end of the peripheral frame, scale lines are provided on the upper surface of the peripheral frame, and magnetic wheels are connected to the ends of the support legs; a first connected groove and a second connected groove are machined on the inner surface of the peripheral frame, a first transverse guide rail is installed on the first connected groove, a second longitudinal guide rail is installed on the second connected groove, and a first through groove and a second through groove along the length direction are provided at the middle positions of the first transverse guide rail and the second longitudinal guide rail; The upper end of the connecting rod sequentially passes through the first through groove and the second through groove and is connected to the first transverse guide rail and the second longitudinal guide rail, and the lower end of the connecting rod is connected to the probe fixture connecting arm; The probe fixture connecting arm is of a claw-shaped structure, the lower part of the probe fixture connecting arm is connected to the outer periphery of the external square body, and the circular body is arranged inside the external square body through balls; The circular body is provided with screw holes for fixing the probe; A retaining ring is provided at the upper end of the connecting rod, and a spring is sleeved on the lower part; the upper end of the spring contacts the first transverse guide rail or the second longitudinal guide rail, and the lower end of the spring contacts the upper part of the probe fixture connecting arm; The thickness of the square body is smaller than the thickness of the circular body, and the upper part of the circular body protrudes from the surface of the square body; the screw holes are arranged on the inner surface of the protruding circular body; The inner surface of the square body is circular, and the inner surface of the circular body is square; The surface of the square body is machined with a first groove for cooperating with the balls, and the surface of the circular body is machined with a second groove for cooperating with the balls; The circular edge of the upper surface of the circular body is engraved with scale lines with a minimum graduation of 9°; the circular edge of the upper surface of the square body is engraved with scale lines with a minimum graduation of 10°.

2. The probe clamping tooling according to claim 1, wherein There are 4 magnetic wheels in total.

3. The probe clamping tooling according to claim 1, wherein, The cross sections of the first connected groove and the second connected groove are both rectangular and are arranged at different heights.

4. The probe clamping tooling according to claim 1, wherein, The thicknesses of the first transverse guide rail and the second longitudinal guide rail match the widths of the first connected groove and the second connected groove.

5. A probe clamping tooling according to claim 1, characterized in that, The widths of the first through groove and the second through groove are the same and both match the upper end of the connecting rod.

6. The probe clamping tooling according to claim 1, characterized in that The lower end of the connecting rod is connected to the probe fixture connecting arm through a fastener.

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