High-precision flaw detection device for bearing

Abstract

The utility model discloses a high-precision flaw detection device for bearings, which belongs to the technical field of flaw detection devices and comprises a support plate, a telescopic cylinder mounted on the support plate, a fixing plate connected to the output end of the telescopic cylinder, an ultrasonic flaw detector mounted on the fixing plate, and a detection probe connected to the output end of the ultrasonic flaw detector. The detection probe extends to the lower surface of the fixing plate, an adjustable fixing assembly capable of rotating the bearing is connected to the supporting plate, a first motor used for driving the adjustable fixing assembly is installed at one end of the supporting plate, a sliding groove is formed in the surface of the supporting plate, the adjustable fixing assembly comprises a bidirectional threaded shaft, and the bidirectional threaded shaft is rotatably installed in the sliding groove; one end of the bidirectional threaded shaft is fixedly connected with the output end of the first motor, and the bearing can be rotated according to detection requirements through the adjustable fixing assembly and the first motor, so that the outer side of the bearing can be comprehensively and uniformly scanned, detection blind areas are avoided, and the inner diameters of the bearings with different sizes can be fixed.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of high-precision flaw detection device for bearing, belong to flaw detection device technical field. BACKGROUND

[0002] Bearing is an important part in contemporary mechanical equipment, the main function is to support mechanical rotating body, reduce its friction coefficient in the process of movement, and ensure its rotation accuracy, bearing can be divided into two categories according to the friction property of moving element, rolling bearing and sliding bearing, rolling bearing is the sliding friction between the shaft and shaft stand is changed into rolling friction, so as to reduce friction loss, a kind of precision mechanical element, it is generally composed of inner ring, outer ring, rolling body and retainer four parts, the role of inner ring is matched with shaft and rotates with shaft;The role of outer ring is matched with bearing seat, and plays a supporting role;Rolling body is uniformly distributed between inner ring and outer ring by means of retainer, its shape, size and quantity directly affect the service performance and life of rolling bearing;Retainer can make rolling body uniformly distributed, guide rolling body rotation and play lubricating effect, sliding bearing is the simplest bearing form, which is composed of shaft rotating in hole, and lubrication is used to reduce friction. Compared with rolling bearing, sliding bearing has larger radial size, larger vibration and noise, but lower price, bearing production needs to be detected after detection, to avoid defects in bearing, affect the service life of bearing, which needs high-precision flaw detection device for bearing, but the existing high-precision flaw detection device is inconvenient to fix the inner diameter of bearing of different sizes, and inconvenient to rotate bearing during detection, which is easy to appear detection blind area.

[0003] As the announcement number is: CN220399346U, a kind of bearing flaw detection device, it can automatically push bearing and load, and clamps bearing and takes material, moves to detection position and detects, reduces the input of labor force, improves detection efficiency;Including workbench, four supporting legs and four non-slip plates, the bottom end of workbench is evenly provided with four supporting legs, to support the equipment, the bottom end of supporting leg is fixedly connected with non-slip plate, to increase the friction force with bottom end;It also includes feeding mechanism, taking material mechanism, detection mechanism and storage mechanism, feeding mechanism is installed at the top left part of workbench, taking material mechanism is installed at the top right part of workbench, detection mechanism is installed at the top middle part of workbench, and storage mechanism is installed below the top of workbench of detection mechanism.

[0004] The above-mentioned bearing flaw detection device is inconvenient to fix the inner diameter of bearing of different sizes during use, and inconvenient to rotate bearing during detection, which is easy to appear detection blind area. UTILITY MODEL CONTENTS

[0005] The utility model discloses a purpose is in order to solve above -mentioned problem and provide a kind of high-precision flaw detection device for bearing, the inner diameter of bearing of different size can be fixed, bearing outside can be scanned comprehensively and uniformly, avoid appearing detection blind area.

[0006] The utility model discloses a high-precision flaw detection device for bearing, including support plate, the support plate is installed with telescopic pneumatic cylinder, telescopic pneumatic cylinder output end is connected with fixed plate, ultrasonic flaw detector is installed on the fixed plate, and ultrasonic flaw detector output end is connected with detection probe, and the detection probe extends to the fixed plate lower surface, the support plate is connected with the adjustable fixed component of bearing can rotate, and the support plate one end is installed for driving the adjustable fixed component first motor.

[0007] Preferably, in order to install the adjustable fixed component, the surface of the support plate is provided with a sliding groove.

[0008] Preferably, in order to rotate the bidirectional threaded shaft, the adjustable fixed component includes a bidirectional threaded shaft, the bidirectional threaded shaft is rotatably installed in the sliding groove, one end of the bidirectional threaded shaft is fixedly connected with the output end of the first motor, a group of mounting arms are threadedly connected to the bidirectional threaded shaft, and the lower end of the mounting arm is slidably connected in the sliding groove.

[0009] Preferably, in order to drive the circular plate to rotate, the mounting arm is rotatably installed with a circular plate, one side of the mounting arm is provided with a second motor, and the output end of the second motor is fixedly connected with the circular plate.

[0010] Preferably, in order to rotate the threaded rod, the threaded rod is rotatably installed on the circular plate, and one end of the threaded rod extending to one side of the mounting arm is fixedly installed with a hand wheel.

[0011] Preferably, in order to adjust the position of the moving plate, the threaded rod is threadedly connected with a moving plate, the moving plate is hingedly connected with a first connecting rod, the other end of the first connecting rod is hingedly connected with a clamping plate, and the clamping plate is sleeved with a bearing.

[0012] Preferably, in order to limit the movement, the clamping plate is hingedly connected with a second connecting rod, the second connecting rod is hingedly connected with a hinged seat, and the hinged seat is fixedly connected with the circular plate.

[0013] Preferably, in order to flexibly move the flaw detection device, the lower surface of the support plate is provided with a universal wheel.

[0014] The utility model discloses an advantageous effect is: through adjustable fixed assembly and first motor, can the bearing inner diameter of different size is fixed, can also according to the detection demand bearing rotates, thereby being convenient for the comprehensive, uniform scanning of bearing outside, avoid appearing detection blind area. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structure schematic diagram of left side angle of the utility model.

[0016] Figure 2 It is the structure schematic diagram of right side angle of the utility model.

[0017] Figure 3 It is the structure schematic diagram of the angle of elevation of the utility model.

[0018] Figure 4 It is the structure schematic diagram of the angle of depression of the utility model.

[0019] Figure 5 It is the structure schematic diagram of adjustable fixed assembly of the utility model.

[0020] Figure 6 It is Figure 5 A schematic view of the utility model.

[0021] In the drawing: 1, support plate;2, telescopic cylinder;3, fixed plate;4, ultrasonic flaw detector;5, detection probe;6, adjustable fixed assembly;601, two-way threaded shaft;602, mounting arm;603, round plate;604, second motor;605, threaded rod;606, hand wheel;607, moving plate;608, first connecting rod;609, clamping plate;610, second connecting rod;611, hinged seat;7, first motor;8, sliding slot;9, universal wheel. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.

[0023] Please refer to Figures 1-6As shown, a high-precision flaw detection device for bearings, including a support plate 1, the support plate 1 is installed with telescopic cylinder 2, the output end of telescopic cylinder 2 is connected with fixed plate 3, the fixed plate 3 is installed with ultrasonic flaw detector 4, the output end of ultrasonic flaw detector 4 is connected with detection probe 5, the position of fixed plate 3 and the ultrasonic flaw detector 4 installed thereon is adjusted through telescopic cylinder 2, so as to facilitate the detection of bearings, detection probe 5 extends to the lower surface of fixed plate 3, adjustable fixing assembly 6 capable of rotating bearings is connected to the support plate 1, through adjustable fixing assembly 6, bearings of different sizes can be fixed, avoiding the movement of bearings during detection, affecting detection, one end of support plate 1 is installed with first motor 7 for driving adjustable fixing assembly 6.

[0024] The surface of support plate 1 is provided with a sliding groove 8, adjustable fixing assembly 6 includes a bidirectional threaded shaft 601, which is rotatably installed in the sliding groove 8, one end of the bidirectional threaded shaft 601 is fixedly connected with the output end of the first motor 7, a group of mounting arms 602 are threadedly connected with the bidirectional threaded shaft 601, the lower ends of the mounting arms 602 are slidingly connected in the sliding groove 8, circular plates 603 are rotatably installed on the mounting arms 602, the bidirectional threaded shaft 601 is rotated by the first motor 7, the distance between the mounting arms 602 is adjusted, and then the bearings are clamped and fixed, one side of the mounting arm 602 is provided with a second motor 604, the output end of the second motor 604 is fixedly connected with the circular plate 603, a threaded rod 605 is rotatably installed on the circular plate 603, a hand wheel 606 is fixedly installed at one end of the side of the mounting arm 602 to which the threaded rod 605 extends, a moving plate 607 is threadedly connected with the threaded rod 605, a first connecting rod 608 is hinged to the moving plate 607, a clamping plate 609 is hinged to the other end of the first connecting rod 608, a bearing is sleeved on the clamping plate 609, a second connecting rod 610 is hinged to the clamping plate 609, a hinge seat 611 is hinged to the second connecting rod 610, the hinge seat 611 is fixedly connected with the circular plate 603, the position of the moving plate 607 is adjusted by rotating the hand wheel 606 and rotating the threaded rod 605, so that the first and second connecting rods 610 and the clamping plate 609 form a certain angle, thereby facilitating the clamping and fixing of the bearings, the circular plate 603 is rotated by the second motor 604, so as to facilitate the ultrasonic flaw detector 4 and the detection probe 5 to comprehensively and uniformly scan the outer side of the bearings, avoiding the occurrence of detection blind area, universal wheels 9 are arranged on the lower surface of the support plate 1, the position of the flaw detection device can be flexibly adjusted through the universal wheels 9.

[0025] The utility model discloses a bearing detection device, including the fixed plate 3, the ultrasonic flaw detector 4, the detection probe 5, the telescopic cylinder 2, the fixed plate 3, the ultrasonic flaw detector 4, the detection probe 5, the telescopic cylinder 2, the first motor 7, the two -way threaded shaft 601, the second motor 604, the circular plate 603, the first connecting rod 608, the second connecting rod 610, the clamping plate 609, the hand wheel 606, the threaded rod 605, the mounting arm 602, the movable plate 607, the first motor 7, the two -way threaded shaft 601, the second motor 604, the circular plate 603, the first connecting rod 608, the second connecting rod 610, the clamping plate 609, the hand wheel 606, the threaded rod 605, the mounting arm 602, the movable plate 607, when using, the bearing that needs to be detected is connected on the clamping plate 609, rotates hand wheel 606, adjusts the position of threaded rod 605 on circular plate 603, and then drives movable plate 607 to move up and down, and the movement of movable plate 607 will change the position of clamping plate 609 through first connecting rod 608 and second connecting rod 610, until clamping plate 609 firmly clamps the bearing, starts first motor 7, drives two -way threaded shaft 601 to rotate, adjusts the distance between mounting arm 602, to make circular plate 603 and the bearing be clamped and fixed conveniently, applies coupling agent to the bearing, starts telescopic cylinder 2, adjusts the position of fixed plate 3 and the ultrasonic flaw detector 4 installed thereon, makes detection probe 5 close to the bearing, starts ultrasonic flaw detector 4, scans the bearing through detection probe 5, to detect whether the inside existence of the bearing is defective, starts second motor 604, drives circular plate 603 to rotate, to drive clamping plate 609 and the bearing to rotate together, make ultrasonic flaw detector 4 and detection probe 5 can carry out comprehensive, even scanning to the outside of the bearing, ensure that the detection has no blind area.

[0026] It will be apparent to those skilled in the art that the utility model is not limited to the details of the above-exemplified embodiments, but that the utility model can be implemented in other concrete forms without departing from the spirit or essential characteristics of the utility model. Thus, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the utility model being defined by the appended claims rather than the above description, and it is therefore intended that all changes and modifications that fall within the meaning and range of equivalency of the elements of the claims are encompassed by the utility model. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0027] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the specification is described in this way only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A high precision flaw detection device for a bearing, characterized by: The utility model provides a kind of ultrasonic flaw detector, including support plate (1), the support plate (1) is installed with telescopic cylinder (2), the fixed plate (3) is connected to the output end of telescopic cylinder (2), ultrasonic flaw detector (4) is installed on the fixed plate (3), detection probe (5) is connected to the output end of ultrasonic flaw detector (4), the detection probe (5) extends to the lower surface of the fixed plate (3), adjustable fixed assembly (6) of rotatable bearing is connected on the support plate (1), one end of the support plate (1) is equipped with first motor (7) for driving adjustable fixed assembly (6).

2. The high-precision flaw detection apparatus for a bearing according to claim 1, characterized by: The surface of the support plate (1) is provided with a sliding groove (8).

3. The high-precision flaw detection apparatus for a bearing according to claim 2, characterized by: The adjustable fixed assembly (6) includes a bidirectional threaded shaft (601), which is rotatably installed in the sliding groove (8), one end of the bidirectional threaded shaft (601) is fixedly connected with the output end of the first motor (7), a group of mounting arms (602) are threadedly connected on the bidirectional threaded shaft (601), and the lower ends of the mounting arms (602) are slidably connected in the sliding groove (8).

4. The high-precision flaw detection apparatus for a bearing according to claim 3, characterized by: A circular plate (603) is rotatably installed on each mounting arm (602), a second motor (604) is arranged on one side of the mounting arm (602), and the output end of the second motor (604) is fixedly connected with the circular plate (603).

5. The high-precision flaw detection apparatus for a bearing according to claim 4, characterized by: A threaded rod (605) is rotatably installed on the circular plate (603), and one end of the threaded rod (605) extending to one side of the mounting arm (602) is fixedly installed with a hand wheel (606).

6. The high-precision flaw detection apparatus for a bearing according to claim 5, characterized by: A moving plate (607) is threadedly connected on the threaded rod (605), a first connecting rod (608) is hingedly connected on the moving plate (607), a clamping plate (609) is hingedly connected at the other end of the first connecting rod (608), and a bearing is sleeved on the clamping plate (609).

7. The high-precision flaw detection apparatus for a bearing according to claim 6, characterized by: A second connecting rod (610) is hingedly connected on the clamping plate (609), the second connecting rod (610) is hingedly connected with a hinged seat (611), and the hinged seat (611) is fixedly connected with the circular plate (603).

8. The high-precision flaw detection apparatus for bearings according to claim 1, characterized by: A universal wheel (9) is arranged on the lower surface of the support plate (1).

Images