Bearing run-out measuring instrument

Abstract

The utility model discloses a bearing run-out measuring instrument, which relates to the technical field of bearing detection, and comprises a metal bottom plate, a base, a mandrel, a load block, a radial dial indicator, an axial dial indicator and an end face dial indicator, the base is fixedly arranged at the top of the metal bottom plate, the top is provided with a detection groove, the mandrel is inserted into the detection groove, the load block is arranged above the mandrel, and the end face dial indicator is arranged above the mandrel. The radial dial indicator, the axial dial indicator and the end face dial indicator are all arranged on the outer side of the base, the first adjusting assembly is arranged at the bottom of the radial dial indicator and used for adjusting the position of the radial dial indicator, and the second adjusting assembly is arranged at the bottom of the end face dial indicator. According to the utility model, the radial dial indicator, the axial dial indicator, the end face dial indicator, the pedestal, the detection groove, the mandrel and the load block can carry out axial and radial run-out detection on the bearing at the same time, thereby improving the detection range and reducing the operation complexity of equipment at the same time.

Description

TECHNICAL FIELD

[0001] The utility model relates to bearing detection technical field, concretely relates to a bearing runout measuring instrument. BACKGROUND

[0002] In many mechanical equipment, such as machine tool, motor, automobile wheel hub etc., the rotation precision of bearing directly influences the overall performance of equipment, and when bearing is installed to equipment, the accuracy of assembly process has important influence on the runout of bearing, in addition, the wear degree of bearing can be monitored in real time by measuring bearing runout periodically, and the basis is provided for the maintenance and maintenance of equipment.

[0003] However, the existing measuring equipment is usually cumbersome to operate, and the equipment capable of simultaneously measuring axial and radial runout is not only limited in quantity, but also has a relatively complex structure, resulting in low measuring efficiency. The utility model aims at simultaneously measuring the axial and radial runout of bearing, and the main advantages are simple structure, convenient operation and high measuring precision. SUMMARY

[0004] In view of the above problems existing in the prior art bearing runout measuring instrument, the utility model is provided.

[0005] Therefore, the utility model aims at providing a bearing runout measuring instrument, which solves the problems of cumbersome operation of the existing measuring equipment and incapability of simultaneously measuring the axial and radial runout of bearing.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A bearing runout measuring instrument, comprising a metal bottom plate, a base, a mandrel, a load block, a radial dial gauge, an axial dial gauge and an end face dial gauge, the base is fixedly arranged on the top of the metal bottom plate, and a detection groove is formed in the top, the mandrel is inserted into the detection groove, and the load block is arranged above the mandrel;

[0008] The radial dial gauge, the axial dial gauge and the end face dial gauge are arranged on the outer side of the base, and further comprising:

[0009] A first adjusting assembly is arranged on the bottom of the radial dial gauge, and the first adjusting assembly is used for adjusting the position of the radial dial gauge;

[0010] A second adjusting assembly is arranged on the bottom of the end face dial gauge, and the second adjusting assembly is used for adjusting the position of the end face dial gauge;

[0011] A third adjusting assembly is arranged on the bottom of the axial dial gauge, and the third adjusting assembly is used for adjusting the position of the axial dial gauge.

[0012] Preferably, the first adjusting assembly comprises a first magnetic table frame fixedly arranged on the top of the metal base plate and fixedly arranged on the bottom of the radial dial gauge.

[0013] Preferably, the second adjusting assembly comprises a second magnetic table frame fixedly arranged between the metal base plate and the end face dial gauge.

[0014] Preferably, the third adjusting assembly comprises a third magnetic table frame fixedly arranged on the top of the metal base plate, a lever and a lever frame fixedly arranged on the upper end of the third magnetic table frame, a horizontal rod rotatably arranged in the lever frame, and the lever fixedly sleeved with the horizontal rod and arranged in the lever frame, and the detection end of the axial dial gauge arranged on the top of the lever.

[0015] Further, the second adjusting assembly further comprises an adjusting rod arranged in the upper end of the second magnetic table frame.

[0016] Preferably, the side of the base is rotatably arranged with a plurality of adjusting screws arranged in a surrounding symmetry, the adjusting screws are arranged in the detection groove at one end close to each other, the other end of the adjusting screw is fixedly arranged with a rotating block, the rod wall of the adjusting screw is rotatably sleeved with a moving plate, the inner portion of the moving plate is arranged with a through hole matched with the adjusting screw, the rod wall of the adjusting screw is fixedly arranged with two symmetrically arranged baffles, the baffles are arranged on the two sides of the moving plate respectively, the bottom of the moving plate is arranged in contact with the top of the metal base plate, the top of the metal base plate is arranged with a plurality of detection scales, and the detection scales are arranged in parallel with the moving plate.

[0017] In the above technical solution, the technical effects and advantages of the utility model are provided.

[0018] 1. The radial dial gauge, the axial dial gauge, the end face dial gauge, the base, the detection groove, the mandrel and the load block can simultaneously detect the axial and radial directions of the bearing, improve the detection range and reduce the cumbersome operation of the equipment.

[0019] 2. The base, the detection groove, the adjusting screw, the rotating block, the moving plate and the baffle can stably clamp the mandrels of different specifications according to the specifications of the bearings to be detected, and ensure the stability in the bearing rotation detection. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description only represent some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0021] Figure 1 It is a three-dimensional structure schematic view of the present application.

[0022] Figure 2 It is a three-dimensional structure schematic view of another view of the present application.

[0023] Figure 3 It is a three-dimensional structure schematic view of the base and the metal bottom plate of the present application.

[0024] Figure 4 It is a three-dimensional structure schematic view of the present application. Figure 3 It is an enlarged schematic view of A part of the present application.

[0025] Explanation of reference signs:

[0026] 1, metal bottom plate; 2, base; 3, mandrel; 4, load block; 5, radial dial gauge; 6, axial dial gauge; 7, end face dial gauge; 8, detection groove; 9, first magnetic table frame; 10, second magnetic table frame; 11, third magnetic table frame; 12, lever; 13, lever frame; 14, cross bar; 15, adjusting rod; 16, adjusting screw; 17, rotating block; 18, moving plate; 19, through hole; 20, baffle; 21, detection scale. DETAILED DESCRIPTION

[0027] In order to make those skilled in the art better understand the technical scheme of the present application, the present application will be further described in detail with reference to the drawings.

[0028] The embodiment of the present application discloses a bearing run-out measuring instrument. Embodiment 1

[0029] The present application provides a bearing run-out measuring instrument as shown in the figure. Figures 1-4 The bearing run-out measuring instrument comprises a metal bottom plate 1, a base 2, a mandrel 3, a load block 4, a radial dial gauge 5, an axial dial gauge 6 and an end face dial gauge 7, the base 2 is fixedly arranged on the top of the metal bottom plate 1, and a detection groove 8 is formed in the top, the mandrel 3 is inserted into the detection groove 8, and the load block 4 is arranged above the mandrel 3.

[0030] The radial dial gauge 5, the axial dial gauge 6 and the end face dial gauge 7 are arranged on the outer side of the base 2, and further comprise:

[0031] The first adjusting component is provided at the bottom of the radial dial indicator 5. The first adjusting component is used to adjust the position of the radial dial indicator 5. The first adjusting component includes a first magnetic gauge stand 9. The first magnetic gauge stand 9 is fixedly provided at the top of the metal base plate 1 and is fixedly provided at the bottom of the radial dial indicator 5.

[0032] The second adjusting component is provided at the bottom of the end face dial indicator 7. The second adjusting component is used to adjust the position of the end face dial indicator 7. The second adjusting component includes a second magnetic gauge stand 10. The second magnetic gauge stand 10 is fixedly provided between the metal base plate 1 and the end face dial indicator 7. The second adjusting component further includes an adjusting rod 15. The adjusting rod 15 is provided inside the upper end of the second magnetic gauge stand 10.

[0033] Before performing the runout detection on the bearing, select the mandrel 3 and load block 4 of the corresponding specifications according to the specifications of the bearing. Subsequently, insert the mandrel 3 into the detection groove 8, sleeve the bearing outside the mandrel 3, and then set the load block 4 on the top of the bearing so that the bearing can rotate stably.

[0034] Subsequently, move the first magnetic gauge stand 9 and the second magnetic gauge stand 10 respectively to adjust the positions of the radial dial indicator 5 and the axial dial indicator 7, so that the detection head of the radial dial indicator 5 contacts the outer wall of the bearing, and the detection head of the axial dial indicator 7 contacts the end face of the outer ring of the bearing.

[0035] Finally, the bearing rotates, and the multi-directional runout detection of the bearing is completed by the data displayed inside the multiple dial indicators.

[0036] In order to be able to detect bearings of various specifications and determine the position of the mandrel 3 according to mandrels 3 of different specifications, as Figures 3-4 shown, a plurality of adjusting screws 16 arranged symmetrically in a surrounding manner are rotatably penetrated through the side part of the base 2. One ends of the plurality of adjusting screws 16 close to each other are all located in the detection groove 8. The other ends of the adjusting screws 16 are fixedly provided with rotating blocks 17. A moving plate 18 is rotatably sleeved on the rod wall of the adjusting screw 16. A through hole 19 for the adjusting screw 16 to pass through is opened inside the moving plate 18. Two symmetrically arranged baffles 20 are fixedly provided on the rod wall of the adjusting screw 16. The two baffles are respectively located on both sides of the moving plate The bottom of the moving plate 18 is in contact with the top of the metal base plate 1. A plurality of groups of detection scales 21 are opened on the top of the metal base plate 1. The detection scales 21 are arranged parallel to the moving plate 18.

[0037] After the specification of the mandrel is determined, the plurality of rotating blocks 17 are rotated so that the adjusting screw rods 16 can be moved transversely, and after the mandrel 3 is inserted into the detection groove 8, the end of the adjusting screw rod 16 is in contact with the wall of the mandrel 3, and after the plurality of adjusting screw rods 16 are all in contact with the mandrel 3, the mandrel 3 can be stably clamped in the detection groove 8, so as to ensure the stability during the bearing rotation detection, and the plurality of detection scales 21 are arranged to ensure that the moving distance of each adjusting screw rod 16 is fixed, so that the mandrel 3 is arranged at the center of the detection groove 8, thereby ensuring the detection precision. Example 2

[0038] Example 2 proposes another axial runout detection method according to the end face runout detection means on the basis of example 1, and both are end face runout detection of the bearing outer ring.

[0039] The third adjusting assembly is arranged at the bottom of the axial dial gauge 6 and is used for adjusting the position of the axial dial gauge 6, and the third adjusting assembly comprises a third magnetic table frame 11, a lever 12 and a lever frame 13, the third magnetic table frame 11 is fixedly arranged at the top of the metal bottom plate 1, the lever frame 13 is fixedly arranged at the bottom of the upper end of the third magnetic table frame 11, a cross rod 14 is rotatably arranged in the inside of the lever frame 13, and the lever 12 is arranged in the inside of the lever frame 13 and is fixedly sleeved with the cross rod 14, and the detection end of the axial dial gauge 6 is arranged at the top of the lever 12.

[0040] The detection end of the end face dial gauge 7 is in contact with the bottom of the bearing outer ring, and the end face dial gauge 7 is stably matched with the bearing end face through the adjusting rod 15, so that one end of the lever 12 is in contact with the bottom of the bearing, and the other end is in contact with the detection head of the axial dial gauge 6, and the axial runout is detected through the runout of the lever 12, which has the same detection purpose as the end face dial gauge 7, and can detect the end face runout of the bearing.

[0041] The above only describes some exemplary embodiments of the present application in a descriptive manner, without doubt, for ordinary skilled in the art, without departing from the spirit and scope of the present application, the described embodiments can be modified in various ways. Therefore, the above drawings and description are illustrative in nature and should not be understood as limiting the scope of protection of the claims of the present application.

Claims

1. A bearing run-out measuring instrument comprising a metal base plate (1), a base (2), a mandrel (3), a load block (4), a radial dial gauge (5) and an axial dial gauge (6) and an end face dial gauge (7), characterized in that, The base (2) is fixed on the top of the metal bottom plate (1), and a detection groove (8) is formed on the top, the mandrel (3) is inserted into the detection groove (8), and the load block (4) is above the mandrel (3); The radial dial gauge (5), the axial dial gauge (6) and the end face dial gauge (7) are arranged on the outer side of the base (2), and further comprising: A first adjusting assembly is arranged at the bottom of the radial dial gauge (5), and is used for adjusting the position of the radial dial gauge (5); A second adjusting assembly is arranged at the bottom of the end face dial gauge (7), and is used for adjusting the position of the end face dial gauge (7); A third adjusting assembly is arranged at the bottom of the axial dial gauge (6), and is used for adjusting the position of the axial dial gauge (6).

2. The bearing run-out gauge of claim 1, wherein, The first adjusting assembly comprises a first magnetic table frame (9), which is fixed on the top of the metal bottom plate (1) and the bottom of the radial dial gauge (5).

3. The bearing run-out gauge of claim 1, wherein, The second adjusting assembly comprises a second magnetic table frame (10), which is fixed between the metal bottom plate (1) and the end face dial gauge (7).

4. The bearing run-out gauge of claim 1, wherein, The third adjusting assembly comprises a third magnetic table frame (11), a lever (12) and a lever frame (13), the third magnetic table frame (11) is fixed on the top of the metal bottom plate (1), the lever frame (13) is fixed on the upper end of the third magnetic table frame (11), a horizontal rod (14) is rotatably arranged in the lever frame (13), the lever (12) is arranged in the lever frame (13) and is fixedly connected with the horizontal rod (14), and the detection end of the axial dial gauge (6) is arranged on the top of the lever (12).

5. The bearing run-out gauge of claim 1, wherein, The second adjusting assembly further comprises an adjusting rod (15), which is arranged in the upper end of the second magnetic table frame (10).

6. The bearing run-out gauge of claim 1, wherein, A plurality of adjusting screws (16) are rotatably arranged on the side of the base (2), the adjusting screws (16) are symmetrically arranged, one ends of the adjusting screws (16) are located in the detection groove (8), the other ends of the adjusting screws (16) are fixedly connected with rotating blocks (17), rod walls of the adjusting screws (16) are rotatably connected with moving plates (18), the moving plates (18) are provided with through holes (19) corresponding to the adjusting screws (16), the rod walls of the adjusting screws (16) are fixedly connected with two symmetrically arranged baffles (20), the baffles (20) are arranged on the two sides of the moving plate (18), the bottom of the moving plate (18) is arranged on the top of the metal bottom plate (1), the top of the metal bottom plate (1) is provided with a plurality of detection scales (21), and the detection scales (21) are parallel to the moving plate (18).

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