High-precision flaw detection device for bearing steel

Abstract

The utility model provides a high-precision flaw detection device for bearing steel, relates to the technical field of flaw detection devices, and aims to solve the problems that the contact position of a probe and the bearing steel needs to be continuously adjusted in a manual adjustment manner when the existing bearing steel is mainly subjected to flaw detection treatment in an ultrasonic manner, but the contact position of the probe and the bearing steel is limited, so that the flaw detection efficiency is high. The steel flaw detection device comprises a displacement part, a detection part and a detection part, a material supporting part is arranged in the displacement part; and an adjusting part is arranged in the displacement part. The adjusting plate is slidably connected into the fixing block, position adjustment can be conveniently conducted under the action of the position adjusting rod, the flaw detection touch plate is fixed to the adjusting plate and makes contact with different positions of the annular bearing steel in the adjusting process, the annular bearing steel is integrally driven by the material supporting part to rotate, and the flaw detection accuracy is improved. Therefore, a manual adjustment mode is replaced for rotation treatment, and flaw detection treatment on the annular bearing steel is facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of flaw detection devices, and more specifically, particularly relates to a high-precision flaw detection device for bearing steel. Background Art

[0002] Bearing steel is a kind of grinding steel used to manufacture balls, rollers and bearing rings. Bearings are subjected to great pressure and friction when working, so bearing steel is required to have high and uniform hardness and wear resistance, as well as high elastic limit. After the initial processing, bearing steel needs to be inspected to avoid the normal use of the rings affected by internal damage in the later stage. Therefore, a flaw detection device is needed.

[0003] Based on the findings in the prior art, existing bearing steels are mainly inspected ultrasonically, which requires manual adjustment of the contact position between the probe and the bearing steel during use so as to perform inspection on different bearing steels. However, since the contact position between the probe and the bearing steel is limited, multiple reciprocating inspections are required when inspecting wider steels. Utility Model Content

[0004] In order to solve the above technical problems, the embodiments of the present invention relate to a high-precision flaw detection device for bearing steel, so as to solve the problem that the contact position between the probe and the bearing steel needs to be adjusted manually during use so as to perform flaw detection on different bearing steels. However, since the contact position between the probe and the bearing steel is limited, multiple reciprocating detection processes are required when flaw detection is performed on wider steels.

[0005] In a first aspect, the present disclosure provides a high-precision flaw detection device for bearing steel, which is achieved by the following specific technical means:

[0006] A high-precision flaw detection device for bearing steel, comprising: a displacement part; the displacement part comprises a mounting frame, an adjusting rod and a displacement frame; the displacement frame is a U-shaped structure, an L-shaped frame is arranged on the top of the displacement frame, a rectangular protrusion is arranged on the top of the displacement frame, a threaded through hole is arranged on the rectangular protrusion of the displacement frame, a rectangular sliding groove is arranged on the top of the displacement frame, two groups of rectangular protrusions are arranged on the bottom of the displacement frame, the displacement frame is slidably connected in the mounting frame, and the displacement frame is threadedly connected to the adjusting rod; a supporting part is arranged inside the displacement part, and the supporting part comprises a torsion cylinder, a docking groove and a docking plug-in frame; the torsion cylinder is rotatably connected to the mounting frame, and the torsion cylinder is connected to the control motor on the mounting frame; the docking plug-in frame is a T-shaped rod, and the docking plug-in frame is connected to the mounting frame. A rectangular protrusion is provided on the plug-in frame, and there are four groups of docking plug-in frames in total. The four groups of docking plug-in frames are connected by square plates, and the four groups of docking plug-in frames are slidably connected in four groups of docking grooves respectively. The four groups of docking plug-in frames are connected to the square plates and fixed to the torsion cylinder by screws; an adjustment part is provided inside the displacement part, and the adjustment part includes a fixed block, a position adjustment rod, an adjustment plate and a flaw detection touch plate; the fixed block is fixed to the displacement frame by screws, and the ultrasonic equipment inside the flaw detection touch plate is electrically connected to the control panel on the displacement frame; the adjustment plate is a U-shaped frame, and a rectangular protrusion is provided on the inner wall of the adjustment plate, and a threaded through hole is provided on the rectangular protrusion of the adjustment plate, and the adjustment plate is slidably connected to the fixed block, and the adjustment plate is threadedly connected to the position adjustment rod.

[0007] At least in some embodiments, the mounting frame is a U-shaped structure, a rectangular sliding groove is provided at the bottom of the mounting frame, an axial hole is provided on the mounting frame, two groups of rectangular protrusions are provided on the top of the mounting frame, and the tops of the two groups of rectangular protrusions of the mounting frame are respectively provided with axial holes; the adjusting rod is a threaded rod structure, a columnar protrusion is provided on the adjusting rod, a turning handle is provided on the adjusting rod, and the adjusting rod is rotatably connected between the two groups of rectangular protrusions of the mounting frame.

[0008] At least in some embodiments, the displacement portion further includes a lower support frame; the lower support frame is a cylindrical rod-shaped structure, a side support is provided on the outer wall of the lower support frame, a support plate is provided at the bottom of the lower support frame, and the lower support frame is fixedly connected to the bottom of the mounting frame.

[0009] At least in some embodiments, the support portion also includes a clamping groove; the torsion cylinder is a disc-shaped structure, and a rectangular protrusion is provided in the middle position of the torsion cylinder; the clamping groove is arranged as a rectangular groove structure, and a cylindrical rod is arranged in the clamping groove, and there are four groups of clamping grooves in total, and the four groups of clamping grooves are respectively opened on the torsion cylinder; the docking groove is arranged as a T-shaped groove structure, and the docking groove is connected with a circular slot, and the four groups of docking grooves are respectively opened on the rectangular protrusion of the torsion cylinder.

[0010] At least in some embodiments, the support part also includes a displacement block and a support plate; the displacement block is a rectangular block structure, a circular through hole is provided on the displacement block, a rectangular protrusion is provided on the displacement block, a circular plug hole is provided on the rectangular protrusion of the displacement block, a spring is provided on the displacement block, and a total of four groups of displacement blocks are provided, and the four groups of displacement blocks are respectively slidably connected in the four groups of docking grooves; the support plate is an L-shaped plate, a cylindrical protrusion is provided on the inner end of the support plate, and a total of four groups of support plates are provided, and the four groups of support plates are respectively slidably connected to the four groups of docking racks, and the four groups of support plates are respectively inserted into the four groups of displacement blocks, and springs are provided between the support plates and the four groups of docking racks.

[0011] At least in some embodiments, the fixed block is a square plate-like structure, a rectangular frame-like protrusion is provided on the fixed block, and an axial hole is provided on the rectangular frame-like protrusion of the fixed block; the position adjustment rod is a threaded rod-like structure, a cylindrical protrusion is provided on the position adjustment rod, a turning handle is provided on the position adjustment rod, and the position adjustment rod is rotatably connected to the rectangular frame-like protrusion of the fixed block.

[0012] At least in some embodiments, the flaw detection touch plate is a square plate-shaped structure, an ultrasonic contact is provided on the flaw detection touch plate, and the flaw detection touch plate is fixed to the adjustment plate by screws.

[0013] The high-precision flaw detection device for bearing steel proposed by the utility model has the following beneficial effects:

[0014] 1. In this device, a docking bracket and a support plate are provided. By providing a clamping groove and a docking groove on the torsion cylinder, it is convenient to dock the docking bracket with the clamping groove, and it is also convenient to dock the support plate with the displacement block. A spring is provided between the docking bracket and the support plate, and a spring is provided on the displacement block, so that the support plate is expanded outward under the action of the displacement block and the spring, which is convenient for fixing annular bearing steels of different sizes.

[0015] 2. In this device, an adjustment plate and a flaw detection touch plate are provided. By slidingly connecting the adjustment plate in the fixed block, position adjustment can be conveniently performed under the action of the position adjustment rod, and the flaw detection touch plate is fixed on the adjustment plate so that it can contact different positions of the annular bearing steel during the adjustment process, and the annular bearing steel is driven to rotate through the supporting part as a whole, so as to replace the manual adjustment method for rotation processing, thereby facilitating the flaw detection processing of the annular bearing steel. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0017] Figure 2 It is a three-dimensional upward-looking structural schematic diagram of the utility model.

[0018] Figure 3 It is a schematic diagram of the exploded structure of the utility model.

[0019] Figure 4 It is a schematic diagram of the assembly structure of the displacement part of the utility model.

[0020] Figure 5 It is a schematic diagram of the assembly structure of the supporting part of the utility model.

[0021] Figure 6 The utility model is Figure 5 Schematic diagram of the enlarged structure of part A.

[0022] Figure 7 It is a schematic diagram of the assembly structure of the adjustment part of the utility model.

[0023] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0024] 1. displacement part; 101. mounting frame; 102. adjustment rod; 103. displacement frame; 104. lower support frame;

[0025] 2. Material support part; 201. Torsion cylinder; 202. Clamping groove; 203. Docking groove; 204. Displacement block; 205. Docking bracket; 206. Material support plate;

[0026] 3. Adjustment part; 301. Fixed block; 302. Position adjustment rod; 303. Adjustment plate; 304. Flaw detection touch plate. DETAILED DESCRIPTION

[0027] The implementation of the utility model is further described in detail below in conjunction with the drawings and examples.

[0028] Embodiment 1: As shown in the attached Figure 1 To Attachment Figure 7As shown: The utility model provides a high-precision flaw detection device for bearing steel, comprising: a displacement part 1; the displacement part 1 comprises a mounting frame 101, an adjusting rod 102 and a displacement frame 103; the displacement frame 103 is a U-shaped structure, an L-shaped frame is arranged on the top of the displacement frame 103, a rectangular protrusion is arranged on the top of the displacement frame 103, a threaded through hole is arranged on the rectangular protrusion of the displacement frame 103, a rectangular sliding groove is arranged on the top of the displacement frame 103, two groups of rectangular protrusions are arranged on the bottom of the displacement frame 103, the displacement frame 103 is slidably connected in the mounting frame 101, and the displacement frame 103 is connected to the mounting frame 101. The bracket 103 is threadedly connected to the adjusting rod 102; the displacement bracket 103 is used to drive the adjustment part 3 to adjust as a whole under the control of the adjusting rod 102, so as to control the flaw detection touch plate 304 to contact the annular bearing steel; the displacement part 1 is provided with a supporting part 2 inside, and the supporting part 2 includes a torsion cylinder 201, a docking groove 203 and a docking bracket 205; the torsion cylinder 201 is rotatably connected to the mounting bracket 101, and the torsion cylinder 201 is connected to the control motor on the mounting bracket 101; the docking bracket 205 is a T-shaped rod, and a long The square protrusions, the docking racks 205 are provided with four groups, the four groups of docking racks 205 are connected by square plates, the four groups of docking racks 205 are respectively slidably connected in the four groups of docking grooves 203, and the four groups of docking racks 205 are connected to the square plates and fixed on the torsion cylinder 201 by screws; the docking racks 205 are used to cooperate with the support plate 206 to support the annular bearing steel so as to maintain its stability; the displacement part 1 is provided with an adjustment part 3 inside, and the adjustment part 3 includes a fixed block 301, a position adjustment rod 302, an adjustment plate 303 and a flaw detection touch plate 304 The fixed block 301 is fixed to the displacement frame 103 by screws, and the ultrasonic device inside the flaw detection touch plate 304 is electrically connected to the control panel on the displacement frame 103; the adjustment plate 303 is a U-shaped frame, and a rectangular protrusion is provided on the inner wall of the adjustment plate 303, and a threaded through hole is provided on the rectangular protrusion of the adjustment plate 303. The adjustment plate 303 is slidably connected to the fixed block 301, and the adjustment plate 303 is threadedly connected to the position adjustment rod 302; the adjustment plate 303 is used to drive the flaw detection touch plate 304 to adjust the position so as to perform flaw detection on the annular bearing steel.

[0029] Embodiment 2: Based on Embodiment 1, Figure 4As shown, the mounting frame 101 is a U-shaped structure, the bottom of the mounting frame 101 is provided with a rectangular sliding groove, the mounting frame 101 is provided with an axial hole, the top of the mounting frame 101 is provided with two groups of rectangular protrusions, and the tops of the two groups of rectangular protrusions of the mounting frame 101 are respectively provided with axial holes; the mounting frame 101 is used to assist in the installation and fixation of other structures of the device; the adjusting rod 102 is a threaded rod structure, the adjusting rod 102 is provided with a columnar protrusion, the adjusting rod 102 is provided with a turning handle, and the adjusting rod 102 is rotatably connected to the mounting frame 1 01; the adjusting rod 102 is used to adjust the displacement frame 103 during the rotation, so as to facilitate the adjustment of the corresponding position of the adjustment part 3; the displacement part 1 also includes a lower support frame 104; the lower support frame 104 is a cylindrical rod-shaped structure, and a side support is provided on the outer wall of the lower support frame 104, and a support plate is provided at the bottom of the lower support frame 104, and the lower support frame 104 is fixedly connected to the bottom of the mounting frame 101; the lower support frame 104 is used to support the mounting frame 101 so as to maintain the overall stability of the device.

[0030] In the embodiments of the present disclosure, Figure 5 and Figure 6 As shown, the support part 2 also includes a clamping groove 202; the torsion cylinder 201 is a disc-shaped structure, and a rectangular protrusion is provided in the middle position of the torsion cylinder 201; the torsion cylinder 201 is used to rotate under the action of the motor, so as to conveniently drive the annular bearing steel to undergo torsion processing, so as to perform flaw detection processing on different positions thereof; the clamping groove 202 is set as a rectangular groove structure, and a cylindrical rod is provided in the clamping groove 202. There are four groups of clamping grooves 202, and the four groups of clamping grooves 202 are respectively arranged on the torsion cylinder 201; the clamping groove 202 is used to assist in the installation of the displacement block 204, so that it is convenient for adjustment processing; the docking groove 203 is set as a T-shaped groove structure, and the docking groove 203 is connected with a circular slot, and the four groups of docking grooves 203 are respectively arranged on the rectangular protrusion of the torsion cylinder 201; the docking groove 203 is used to assist in docking processing with the docking rack 205, so as to facilitate its stability; the support part 2 also includes a displacement block 204 and a support plate 206; the displacement block 204 is a rectangular block structure, the displacement block 204 is provided with a circular through hole, the displacement block 204 is provided with a rectangular protrusion, the rectangular protrusion of the displacement block 204 is provided with a circular jack, the displacement block 204 is provided with a spring, and the displacement block 204 is provided with four groups, and the four groups of displacement blocks 204 are respectively slidably connected in the four groups of docking grooves 203; the displacement block 204 is used to assist in fixing the support plate 206, so that it can cooperate with the spring to perform flaw detection on the annular bearing steel Processing; the support plate 206 is an L-shaped plate, and a cylindrical protrusion is provided on the inner end of the support plate 206. There are four groups of support plates 206, and the four groups of support plates 206 are respectively slidably connected to the four groups of docking racks 205, and the four groups of support plates 206 are respectively inserted into the four groups of displacement blocks 204, and a spring is provided between the support plate 206 and the four groups of docking racks 205; the support plate 206 is used to perform flaw detection on the annular bearing steel under the action of the spring to maintain its overall stability.

[0031] In the embodiments of the present disclosure, Figure 7 As shown, the fixing block 301 is a square plate-like structure, a rectangular frame-like protrusion is provided on the fixing block 301, and an axial hole is provided on the rectangular frame-like protrusion of the fixing block 301; the fixing block 301 is used to assist in the installation and fixation of other structures of the adjustment part 3, so as to maintain its overall stability; the position adjustment rod 302 is a threaded rod-like structure, a cylindrical protrusion is provided on the position adjustment rod 302, a turning handle is provided on the position adjustment rod 302, and the position adjustment rod 302 is rotatably connected to the rectangular frame-like protrusion of the fixing block 301; the position adjustment rod 302 is used to adjust the adjustment plate 303 by controlling the thread during the rotation process, so as to facilitate the adjustment of the relative position of the flaw detection touch plate 304; the flaw detection touch plate 304 is a square plate-like structure, an ultrasonic contact is provided on the flaw detection touch plate 304, and the flaw detection touch plate 304 is fixed to the adjustment plate 303 by screws; the flaw detection touch plate 304 is used to perform flaw detection on the annular bearing steel by ultrasonic flaw detection.

[0032] The specific usage and function of this embodiment are as follows:

[0033] In the utility model, when in use, the docking bracket 205 and the support plate 206 are respectively inserted into the docking groove 203 and the displacement block 204, and after being kept stable, the docking bracket 205 and the torsion cylinder 201 are locked by screws, and then the annular bearing steel material that needs to be processed by flaw detection is sleeved on the outside of the four sets of support plates 206, so that the annular bearing steel material is supported by the spring to keep it stable, and then the adjusting rod 102 is rotated to control the displacement rack 103 to adjust as a whole under the action of the thread, so that it can be adjusted during the adjustment process. During the process, the adjustment part 3 is driven to move as a whole, and the flaw detection touch plate 304 is fitted with the outer wall of the annular bearing steel. Then the adjustment rod 302 is rotated to adjust the relative position of the adjustment plate 303 through the thread, and the flaw detection touch plate 304 is brought into contact with the outer wall edge of the annular bearing steel. Then the control motor is started to drive the supporting part 2 to rotate as a whole, thereby driving the annular bearing steel to rotate, and the annular bearing steel is inspected by ultrasonic testing under the action of the ultrasonic contact inside the flaw detection touch plate 304.

[0034] In this article, there are a few points to note:

[0035] 1. The drawings of the embodiments of the present disclosure only involve structures related to the embodiments of the present disclosure, and other structures may refer to general designs.

[0036] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.

[0037] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. A high-precision flaw detection device for bearing steel, comprising: Displacement part; characterized in that: the displacement part includes a mounting frame, an adjusting rod and a displacement frame; the displacement frame is a U-shaped structure, an L-shaped frame is provided on the top of the displacement frame, a rectangular protrusion is provided on the top of the displacement frame, a threaded through hole is provided on the rectangular protrusion of the displacement frame, a rectangular sliding groove is provided on the top of the displacement frame, and two groups of rectangular protrusions are provided on the bottom of the displacement frame, the displacement frame is slidably connected in the mounting frame, and the displacement frame is threadedly connected to the adjusting rod; a supporting part is provided inside the displacement part, and the supporting part includes a torsion cylinder, a docking groove and a docking bracket; the torsion cylinder is rotatably connected to the mounting frame, and the torsion cylinder is connected to the control motor on the mounting frame; the docking bracket is a T-shaped rod, and the docking bracket is provided with Rectangular protrusions, four groups of docking racks are provided, the four groups of docking racks are connected by square plates, the four groups of docking racks are slidably connected in four groups of docking grooves respectively, and the four groups of docking racks are connected to the square plates and fixed to the torsion cylinder by screws; an adjustment part is provided inside the displacement part, and the adjustment part includes a fixed block, a position adjustment rod, an adjustment plate and a flaw detection touch plate; the fixed block is fixed to the displacement rack by screws, and the ultrasonic equipment inside the flaw detection touch plate is electrically connected to the control panel on the displacement rack; the adjustment plate is a U-shaped frame, a rectangular protrusion is provided on the inner wall of the adjustment plate, a threaded through hole is provided on the rectangular protrusion of the adjustment plate, the adjustment plate is slidably connected to the fixed block, and the adjustment plate is threadedly connected to the position adjustment rod.

2. A high-precision flaw detection device for bearing steel according to claim 1, characterized in that: The mounting frame is a U-shaped structure, with a rectangular sliding groove at the bottom of the mounting frame, an axial hole on the mounting frame, two groups of rectangular protrusions on the top of the mounting frame, and axial holes on the tops of the two groups of rectangular protrusions of the mounting frame respectively; the adjusting rod is a threaded rod structure, with a columnar protrusion on the adjusting rod, and a turning handle on the adjusting rod, and the adjusting rod is rotatably connected between the two groups of rectangular protrusions of the mounting frame.

3. The high-precision flaw detection device for bearing steel according to claim 1, characterized in that: The displacement part also includes a lower support frame; the lower support frame is a cylindrical rod-shaped structure, a side support is arranged on the outer wall of the lower support frame, a support plate is arranged at the bottom of the lower support frame, and the lower support frame is fixedly connected to the bottom of the mounting frame.

4. The high-precision flaw detection device for bearing steel according to claim 1, characterized in that: The supporting part also includes a clamping groove; the torsion cylinder is a disc-shaped structure, and a rectangular protrusion is provided in the middle position of the torsion cylinder; the clamping groove is arranged as a rectangular groove structure, and a cylindrical rod is arranged in the clamping groove, and there are four groups of clamping grooves in total, and the four groups of clamping grooves are respectively opened on the torsion cylinder; the docking groove is arranged as a T-shaped groove structure, and the docking groove is connected with a circular slot, and the four groups of docking grooves are respectively opened on the rectangular protrusion of the torsion cylinder.

5. The high-precision flaw detection device for bearing steel according to claim 1, characterized in that: The support part also includes a displacement block and a support plate; the displacement block is a rectangular block structure, a circular through hole is provided on the displacement block, a rectangular protrusion is provided on the displacement block, a circular plug hole is provided on the rectangular protrusion of the displacement block, a spring is provided on the displacement block, and a total of four groups of displacement blocks are provided, and the four groups of displacement blocks are respectively slidably connected in the four groups of docking grooves; the support plate is an L-shaped plate, a cylindrical protrusion is provided on the inner end of the support plate, and a total of four groups of support plates are provided, and the four groups of support plates are respectively slidably connected to the four groups of docking racks, and the four groups of support plates are respectively inserted into the four groups of displacement blocks, and springs are provided between the support plates and the four groups of docking racks.

6. The high-precision flaw detection device for bearing steel according to claim 1, characterized in that: The fixed block is a square plate-shaped structure, a rectangular frame-shaped protrusion is provided on the fixed block, and an axial hole is provided on the rectangular frame-shaped protrusion of the fixed block; the position adjustment rod is a threaded rod-shaped structure, a cylindrical protrusion is provided on the position adjustment rod, a turning handle is provided on the position adjustment rod, and the position adjustment rod is rotatably connected to the rectangular frame-shaped protrusion of the fixed block.

7. The high-precision flaw detection device for bearing steel according to claim 1, characterized in that: The flaw detection touch plate is a square plate structure, an ultrasonic contact is arranged on the flaw detection touch plate, and the flaw detection touch plate is fixed on the adjustment plate by screws.

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