Auxiliary device for flaw detection of brake disc

Abstract

The utility model discloses an auxiliary device for flaw detection of a brake disc, which belongs to the technical field of nondestructive measurement and testing and comprises a fixed support assembly and a first chuck which are rotatably connected. The fixed support assembly is provided with a sliding guide rail, a sliding block limiting plate and a movable support limiting piece. The sliding guide rail is connected with a lifting mechanism assembly and a movable support assembly. The movable support assembly is rotationally connected with the second chuck. The device can detect the axial direction, the circumferential direction and the end face of the to-be-detected workpiece, the relative position between the probe and the workpiece can be adjusted up and down, and the problems of inaccurate data, low efficiency and the like caused by manual detection are solved.

Description

TECHNICAL FIELD

[0001] The application relates to an auxiliary device for brake disc flaw detection, and belongs to the technical field of nondestructive measurement and testing. BACKGROUND

[0002] Nondestructive testing refers to a method for checking and testing the structure, property and state of the inside and surface of a workpiece by means of modern technology and equipment under the premise of not damaging the workpiece.

[0003] For example, an ultrasonic flaw detector disclosed in a patent with the publication number CN 212872304 U and authorized on September 5, 2020 comprises a host computer, a probe and a support shaft, the host computer is provided with a display screen and control buttons on the front face, the host computer is provided with a probe on the side face, the host computer is provided with a hand lever perpendicular to the host computer on the back face, the hand lever is provided with a sliding block at the end away from the host computer, the sliding block is connected to the support shaft, and the support shaft is provided with a base at the bottom.

[0004] When the workpiece is detected, the user needs to hold the probe to detect the workpiece, the detection position is unstable due to the handheld operation, is easy to deviate, and the handheld operation is easy to cause uneven force of the probe, finally causes the error or error of the detection data, and greatly reduces the detection efficiency. Content of the utility model

[0005] The technical problem to be solved by the application is to overcome the shortcomings of the prior art, provide an auxiliary device for brake disc flaw detection, and solve the problem of error or error of detection data caused by unstable detection position of handheld operation.

[0006] The technical scheme adopted by the application to solve the existing problems is:

[0007] An auxiliary device for brake disc flaw detection, comprising a fixed support assembly and a first chuck connected in rotation.

[0008] The fixed support assembly is provided with a sliding guide rail, a sliding block limiting plate and a moving support limiting piece.

[0009] The sliding guide rail is connected with a lifting mechanism assembly and a moving support assembly.

[0010] The moving support assembly is connected in rotation with a second chuck.

[0011] Preferably, the lifting mechanism assembly comprises a fixed frame, a lifting frame, a nut and a lifting frame support, the nut is installed on the lifting frame support, the lifting frame is placed above the nut, and the lifting frame is connected in rotation with the fixed frame.

[0012] Preferably, the fixed frame is provided with a through slot, a first positioning hole and a second positioning hole, and the first positioning hole is provided with a positioning piece.

[0013] Preferably, the lifting frame is connected with a spring positioning pin assembly, which comprises a mounting plate and a spring positioning pin, one end of the spring positioning pin being mounted on the mounting plate and the other end extending into the second positioning hole.

[0014] Preferably, the lifting frame support comprises a threaded and guide groove shaft, and a guide key is mounted on the shaft; the lifting frame is provided with a guide groove, and the lifting frame and the lifting frame support are connected through the guide key and the guide groove.

[0015] Preferably, the lifting frame support is provided with a first sliding guide groove.

[0016] Preferably, the moving support assembly is provided with a second sliding guide groove.

[0017] Preferably, the fixed support assembly is fixedly connected with a limiting plate and a moving support limiting piece; the moving support limiting piece is connected with the moving support assembly through a fastener, and the fastener is provided with a bidirectional back-nut which is back-nutted on the moving support limiting piece.

[0018] Compared with the prior art, the application has the beneficial effects that:

[0019] The structure design is reasonable, flexible and convenient to use, the axial, circumferential and end surface detection of the workpiece to be detected can be completed, the relative position between the probe and the workpiece can be adjusted up and down according to the use condition or the size of the workpiece, the inaccuracy and errors of the detection data caused by the inaccurate handheld operation position and the uneven force of the probe are effectively reduced, and the detection work efficiency is greatly improved.

[0020] The structure adopts a single sliding guide rail, and the moving support assembly and the lifting mechanism assembly both adopt the single sliding guide rail, which not only reduces the manufacturing cost, but also ensures the position degree of the moving support assembly, the fixed support assembly and the lifting mechanism assembly, and further improves the measurement accuracy. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a structural drawing of the auxiliary device for brake disc flaw detection of the application;

[0022] Figure 2 It is a structural drawing of the lifting mechanism assembly in the auxiliary device for brake disc flaw detection of the application;

[0023] Figure 3 It is a partial sectional view of the lifting mechanism assembly in the auxiliary device for brake disc flaw detection of the application.

[0024] In the drawings:

[0025] 1, fixed support assembly, 2, first chuck, 3, lifting mechanism assembly, 4, sliding guide rail, 5, second chuck, 6, moving support assembly, 7, limit plate, 8, moving support limiting piece, 9, second sliding guide groove, 10, fixed frame, 11, lifting frame, 12, nut, 13, lifting frame support, 14, first sliding guide groove, 15, mounting plate, 16, spring positioning pin, 17, positioning piece, 18, guide key, 19, guide slot, 20, through slot, 21, first positioning hole, 22, second positioning hole. DETAILED DESCRIPTION

[0026] As used in the specification and claims, certain terminology can be used for the sake of convenience. Those skilled in the art will recognize that other terms can be used without departing on the present application. The present application will not be limited to the terminology used in the specification and claims. As used throughout this specification and in the claims, the term "comprising" is used in the sense of "including", and thus should be interpreted to mean "including, but not limited to". The term "about" means within an acceptable range of values before and after the value of the value itself when used in the context of a numerical value. Those skilled in the art will recognize that the technical effects described herein can be achieved with less than the ranges described.

[0027] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "horizontal", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0028] In the present application, unless otherwise expressly specified and limited, the terms "mounting", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected; it can be mechanical connection, or it can be electrical connection; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0029] As shown in Figures 1-3 An auxiliary device for brake disc flaw detection, comprising a fixed support assembly 1, a first chuck 2, a lifting mechanism assembly 3, a sliding guide rail 4, a second chuck 5 and a moving support assembly 6 assembled together, the first chuck 2 is rotatably connected with the fixed support assembly 1, the second chuck 5 is rotatably connected with the moving support assembly 6, the fixed support assembly 1 is fixed with the sliding guide rail 4, the sliding guide rail 4 is connected with the lifting mechanism assembly 3 and the moving support assembly 6.

[0030] The first chuck 2 and the second chuck 5 are all three-jaw chucks, which are high in stability and precision, and have a large clamping range, and can be used for workpieces of different shapes such as circular, square and hexagonal shapes.

[0031] As shown in Figure 2 and Figure 3 The lifting mechanism assembly 3 comprises a fixing frame 10, a lifting frame 11, a nut 12 and a lifting frame support 13, the nut 12 is installed on the lifting frame support 13, and the lifting frame 11 is placed above the nut 12.

[0032] The lifting frame support 13 comprises a threaded shaft and a guide groove, the shaft is perpendicular to the water platform surface at the lower part of the lifting frame support 13, a guide key 18 is fixed in the guide groove of the shaft, and the nut 12 is installed below the shaft of the lifting frame support 13 through threaded connection. The lifting frame 11 has a cylindrical hole, the lifting frame 11 is sleeved on the shaft of the lifting frame support 13 and located above the nut 12, a guide groove 19 is arranged on the cylindrical hole of the lifting frame 11, the guide groove 19 of the lifting frame 11 and the guide key 18 of the lifting frame support 13 are connected in sliding fit, the lifting frame 11 can be prevented from rotating in the circumferential direction, the lifting frame 11 can move up and down by rotating the nut 12, and the shaft of the lifting frame support 13 has a safety distance in height, so as to prevent the lifting frame 11 from falling off.

[0033] The fixing frame 10 is installed on the lifting frame 11, the lifting frame 11 is rotationally connected with the fixing frame 10, the fixing frame 10 is provided with a through groove 20, a first positioning hole 21 and a second positioning hole 22, and the first positioning hole 21 is provided with a positioning piece 17. A detection probe is installed in the fixing frame 10, the positioning piece 17 is used for fixing the detection probe, and the through groove 20 is used for placing a transmission line of the detection probe.

[0034] The lifting frame 11 is connected with a spring positioning pin assembly, the spring positioning pin assembly comprises a mounting plate 15 and spring positioning pins 16, one end of the spring positioning pin 16 is installed on the mounting plate 15, the other end of the spring positioning pin 16 extends into the second positioning hole 22 of the fixing frame 10, and the spring positioning pin 16 is used for positioning the fixing frame 10, the spring positioning pin 16 is provided with three, and is arranged above, left and right of the mounting plate 15, pulling the mounting plate 15 can simultaneously drive the spring positioning pins 16 above, left and right to extend outward, when the circumference of the brake disc needs to be measured, the spring positioning pin 16 above extends into the second positioning hole 22, and when the end faces on both sides of the brake disc need to be measured, the fixing frame 10 needs to be rotated to a horizontal position, and the spring positioning pin 16 left or right extends into the second positioning hole 22.

[0035] The lifting frame support 13 is provided with a first sliding guide groove 14, the moving support assembly 6 is provided with a second sliding guide groove 9, and the first sliding guide groove 14 and the second sliding guide groove 9 are connected in sliding fit with the sliding guide rail 4.

[0036] As Figure 1 shown:

[0037] The fixed frame 10 is vertically arranged during normal use, and can be directly used to detect the circumference of the brake disc. During operation, the probe of the detection device is placed on the fixed frame 10, the positioning member 17 fixes the detection probe, and then the relative position of the probe and the workpiece is adjusted according to the size of the workpiece by rotating the nut 12, and the workpiece is detected in the circumferential direction by rotating the chuck. When measuring the right end surface of the brake disc, the lifting mechanism assembly 3 is moved to the appropriate position to the right, the relative position of the probe and the workpiece is adjusted by rotating the nut 12, the mounting plate 15 is first pulled outward, the spring positioning pin 16 is driven outward by the mounting plate 15, then the fixed frame 10 is rotated 90° to the left, the mounting plate 15 is loosened, and the left spring positioning pin 16 extends into the second positioning hole 22, so that the detection probe can detect the right end surface of the brake disc.

[0038] When the circumference and the left end surface of the brake disc held by the first chuck 2 need to be detected, the movable support assembly 6 is moved to the other end of the brake disc, the second chuck 5 holds the other end of the brake disc, and then the first chuck 2 is loosened. The mounting plate 15 is first pulled outward, the spring positioning pin 16 is driven outward by the mounting plate 15, then the fixed frame 10 is rotated 90° upward, the mounting plate 15 is loosened, and the spring positioning pin 16 above extends into the second positioning hole 22, the relative position of the probe and the brake disc is adjusted according to the size of the brake disc by rotating the nut 12, and the brake disc is detected in the circumferential direction by rotating the chuck. When detecting the left end surface of the brake disc, the lifting mechanism assembly 3 is moved to the appropriate position to the left, the relative position of the probe and the brake disc is adjusted by rotating the nut 12, the mounting plate 15 is first pulled outward, the spring positioning pin 16 is driven outward by the mounting plate 15, then the fixed frame 10 is rotated 90° to the right, the mounting plate 15 is loosened, and the right spring positioning pin 16 extends into the second positioning hole 22, so that the detection probe can detect the left end surface of the brake disc.

[0039] The fixed support assembly 1 is fixedly connected with a limiting plate 7 and a movable support limiting member 8. The movable support limiting member 8 is connected with the movable support assembly 6 through a fastener, the fastener has a bidirectional back-nut, which is back-nutted on the movable support limiting member 8, thereby limiting the axial movement of the movable support assembly 6. The limiting plate 7 is fastened on the fixed support assembly 1 near one end of the movable support assembly 6, preventing the sliding block from derailing.

[0040] The embodiments of the application are described in detail above in combination with the drawings, but the application is not limited to the above-described embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the purpose of the application.

Claims

1. A brake disc flaw detection auxiliary device, characterized in that: It comprises a rotatingly connected fixed support assembly (1) and a first chuck (2); The fixed support assembly (1) is fixed with a sliding guide rail (4); The sliding guide rail (4) is connected with a lifting mechanism assembly (3) and a moving support assembly (6); The moving support assembly (6) is rotatingly connected with a second chuck (5).

2. The brake disc flaw detection auxiliary device according to claim 1, characterized in that: The lifting mechanism assembly (3) comprises a fixed frame (10), a lifting frame (11), a nut (12), and a lifting frame support (13), the nut (12) is installed on the lifting frame support (13), the lifting frame (11) is placed above the nut (12), and the lifting frame (11) is rotatingly connected with the fixed frame (10).

3. The brake disc flaw detection auxiliary device according to claim 2, characterized in that: The fixed frame (10) is provided with a through slot (20), a first positioning hole (21), and a second positioning hole (22), and the first positioning hole (21) is provided with a positioning piece (17).

4. The brake disc flaw detection auxiliary device according to claim 2 or 3, characterized in that: The lifting frame (11) is connected with a spring positioning pin assembly, the spring positioning pin assembly comprises a mounting plate (15) and a spring positioning pin (16), one end of the spring positioning pin (16) is installed on the mounting plate (15), and the other end of the spring positioning pin (16) extends into the second positioning hole (22).

5. The brake disc flaw detection auxiliary device according to claim 2, characterized in that: The lifting frame support (13) comprises a threaded shaft with a guide slot, and the shaft is provided with a guide key (18); the lifting frame (11) is provided with a guide slot (19), and the lifting frame (11) is connected with the lifting frame support (13) through the cooperation of the guide key (18) and the guide slot (19).

6. The brake disc flaw detection auxiliary device according to claim 2, characterized in that: The lifting frame support (13) is provided with a first sliding guide slot (14).

7. The brake disc flaw detection auxiliary device according to claim 1, characterized in that: The moving support assembly (6) is provided with a second sliding guide slot (9).

8. The brake disc flaw detection auxiliary device according to claim 2, characterized in that: The fixed support assembly (1) is fixedly connected with a limiting plate (7) and a moving support limiting piece (8); the moving support limiting piece (8) is connected with the moving support assembly (6) through a fastener, the fastener is provided with a bidirectional back tightening nut, and the back tightening nut is tightened on the moving support limiting piece (8).

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