Bearing clearance measuring device

Abstract

The utility model belongs to the technical field of measuring devices, and relates to a bearing clearance measuring device which comprises a measuring table and a bearing to be measured, a rod sleeve is rotatably installed at the front end of the measuring table, a rotation sensor is installed between the rod sleeve and the measuring table, and a positioning assembly and a measuring assembly are arranged on the measuring table. The measuring assembly comprises a telescopic rod, an electric push rod, a clamping seat and a gap measuring ruler, the telescopic rod is fixedly inserted into the rod sleeve, one end of the electric push rod is rotatably installed at the front end of the measuring table, the other end of the electric push rod is rotatably connected with the telescopic rod, and the clamping seat is rotatably installed at the end, away from the electric push rod, of the telescopic rod and is provided with a plurality of fixing bolts in a threaded mode; one end of the gap measuring scale is fixedly installed in the clamping seat through a fixing bolt, and the other end of the gap measuring scale is inserted in a gap of a bearing to be measured. The measuring device is used for bearing clearance measurement, and can position and measure bearings with different sizes.

Description

Technical Field

[0001] The utility model belongs to the technical field of measuring devices, and particularly relates to a bearing clearance measuring device. Background Art

[0002] A bearing is a device used to support a rotating shaft of a machine. It can reduce rotational friction and make the machine run more smoothly. A bearing is usually composed of an inner ring, an outer ring, rolling elements (such as balls or rollers), and a retainer. These components work together to enable the bearing to withstand radial and axial loads from the rotating shaft while reducing friction and ensuring smooth rotational motion. Bearings are widely used in the wind power field.

[0003] After the bearing production process is completed, its clearance needs to be measured. If the clearance is too large, it may cause unstable operation of the device or even an accident. The traditional way to measure the bearing clearance is mainly through manual measurement using a feeler gauge, but manual measurement is inefficient for some larger bearings. Utility Model Content

[0004] In order to solve the technical problem of low efficiency in measuring some large-sized bearings by manual feeler gauges, the utility model provides the following technical solutions:

[0005] The utility model relates to a bearing clearance measuring device, comprising a measuring platform and a bearing to be measured, wherein a rod sleeve is rotatably mounted on the front end of the measuring platform and a rotation sensor is mounted between the rod sleeve and the measuring platform, and a positioning component and a measuring component are arranged on the measuring platform;

[0006] The measuring assembly includes a telescopic rod, an electric push rod, a clamping seat and a gap measuring ruler. The telescopic rod is fixedly inserted in the rod sleeve, one end of the electric push rod is rotatably installed on the front end of the measuring platform and the other end is rotatably connected to the telescopic rod, the clamping seat is rotatably installed on the end of the telescopic rod away from the electric push rod and a plurality of fixing bolts are threadedly installed on the clamping seat, one end of the gap measuring ruler is fixedly installed in the clamping seat through the fixing bolts and the other end is inserted in the gap of the bearing to be measured.

[0007] As a preferred technical solution of the utility model, a placement groove is opened in the measuring platform and the bearing to be measured is vertically placed in the placement groove.

[0008] As a preferred technical solution of the utility model, the placement groove is in an inverted step-shaped shape and a plurality of anti-slip convex strips are arranged on the groove wall of the placement groove.

[0009] As an optimal technical solution of the utility model, the positioning assembly includes a clamping plate and an adjusting screw. The adjusting screw is threadedly installed on the rear end wall of the measuring platform and is rotatably connected to the clamping plate. A rotating handwheel is fixedly welded to one end of the adjusting screw away from the clamping plate.

[0010] As a preferred technical solution of the utility model, two guide slide bars are fixedly mounted on the clamping plate and the guide slide bars are movably inserted into the rear end wall of the measuring platform.

[0011] As a preferred technical solution of the utility model, the guide slide rod is sleeved with a spring at a section outside the measuring platform, the guide slide rod is provided with a limit plate at one end away from the clamping plate, and both ends of the spring are fixedly connected to the measuring platform and the limit plate respectively.

[0012] As a preferred technical solution of the utility model, a threaded positioning bolt is threadedly installed on the telescopic rod.

[0013] The beneficial effects achieved by the utility model are:

[0014] The adjusting screw is rotated by rotating the hand wheel. The adjusting screw rotates and the clamp moves linearly under the limiting guide action of the guide slide bar until the bearing to be tested is clamped to achieve clamping and fixing of the bearings to be tested of different thicknesses.

[0015] The overall length of the telescopic rod is adjusted according to the diameter of the bearing to be measured, and the telescopic effect of the electric push rod is used to push the telescopic rod to rotate. The rotation of the telescopic rod drives the gap measuring ruler to slide in the gap of the bearing to be measured, and the clearance value (gap) is determined by detecting the number of shaft rollers, and the rotation angle is detected by the rotation sensor to achieve auxiliary measurement. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 The working principle of the bearing clearance measuring device of the utility model is Figure 1 ;

[0018] Figure 2 The working principle of the bearing clearance measuring device of the utility model is Figure 2 ;

[0019] Figure 3 It is a structural schematic diagram of a measuring platform in a bearing clearance measuring device of the utility model;

[0020] Figure 4 It is a structural schematic diagram of a positioning component in a bearing clearance measuring device of the utility model;

[0021] Figure 5 The utility model is a structural schematic diagram of a measuring component in a bearing clearance measuring device.

[0022] In the figure: 1. Measuring table; 101. Rod sleeve; 102. Rotation sensor; 2. Positioning assembly; 201. Clamp; 202. Adjusting screw; 203. Rotating hand wheel; 204. Guide slide; 205. Limiting piece; 206. Spring; 3. Measuring assembly; 301. Telescopic rod; 302. Electric push rod; 303. Clamp seat; 304. Gap measuring ruler; 305. Fixing bolt; 4. Bearing to be measured. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Example: Figure 1-5 As shown, a bearing clearance measuring device comprises a measuring platform 1 and a bearing to be measured 4, a rod sleeve 101 is rotatably mounted at the front end of the measuring platform 1 and a rotation sensor 102 is mounted between the rod sleeve 101 and the measuring platform 1, and a positioning component 2 and a measuring component 3 are arranged on the measuring platform 1;

[0025] The measuring assembly 3 includes a telescopic rod 301, an electric push rod 302, a clamping seat 303 and a gap measuring ruler 304. The telescopic rod 301 is fixedly inserted in the rod sleeve 101, one end of the electric push rod 302 is rotatably installed at the front end of the measuring platform 1 and the other end is rotatably connected to the telescopic rod 301, the clamping seat 303 is rotatably installed at one end of the telescopic rod 301 away from the electric push rod 302, and a plurality of fixing bolts 305 are threadedly installed on the clamping seat 303, one end of the gap measuring ruler 304 is fixedly installed in the clamping seat 303 through the fixing bolts 305 and the other end is inserted in the gap of the bearing 4 to be measured. When in use, the overall length of the telescopic rod 301 is adjusted according to the diameter size of the bearing 4 to be measured, and the telescopic effect of the electric push rod 302 is used to push the telescopic rod 301 to rotate. The rotation of the telescopic rod 301 drives the gap measuring ruler 304 to slide in the gap of the bearing 4 to be measured, and the clearance value (gap) is judged by detecting the number of shaft rollers passing through, and the rotation angle is detected by the rotation sensor 102 to achieve auxiliary measurement.

[0026] The placement groove is in an inverted step-shaped configuration and a plurality of anti-slip convex strips are provided on the groove wall of the placement groove. A placement groove is provided in the measuring platform 1 and the bearing 4 to be tested is vertically placed in the placement groove. When in use, the inverted step-shaped placement groove design can be used to place bearings of different diameters, and the design of the anti-slip convex strips can improve the stability of placement.

[0027] The positioning assembly 2 includes a clamping plate 201 and an adjusting screw 202. The adjusting screw 202 is threadedly installed on the rear end wall of the measuring platform 1 and is rotatably connected to the clamping plate 201. A rotating handwheel 203 is fixedly welded to the end of the adjusting screw 202 away from the clamping plate 201. Two guide slides 204 are fixedly installed on the clamping plate 201 and the guide slides 204 are movably inserted into the rear end wall of the measuring platform 1. When in use, the adjusting screw 202 is rotated by rotating the handwheel 203. The rotation of the adjusting screw 202 causes the clamping plate 201 to move linearly under the limiting guiding action of the guide slides 204 until the bearing 4 to be measured is clamped to achieve clamping and fixing of the bearing 4 to be measured with different thicknesses.

[0028] A spring 206 is sleeved on a section of the guide slide 204 located outside the measuring platform 1, and a limit plate 205 is provided at one end of the guide slide 204 away from the clamp 201, and both ends of the spring 206 are fixedly connected to the measuring platform 1 and the limit plate 205 respectively. When in use, the elastic action of the spring 206 is used to support the limit plate 205 to increase the friction between the adjusting screw rod 202 and the thread of the measuring platform 1, thereby preventing the adjusting screw rod 202 from slipping.

[0029] A threaded positioning bolt is threadedly installed on the telescopic rod 301. When in use, the length of the telescopic rod 301 is adjusted and the threaded positioning bolt is rotated to press the telescopic end to position the length.

[0030] Specifically, when the utility model is used, the bearing 4 to be measured is placed in the placement groove on the measuring table 1, and the adjusting screw 202 is rotated by rotating the hand wheel 203. The adjusting screw 202 rotates and the clamping plate 201 moves linearly under the limiting guiding action of the guide slide bar 204 until the bearing 4 to be measured is clamped to achieve clamping and fixing of the bearing 4 to be measured with different thicknesses. After the fixing is completed, the overall length of the telescopic rod 301 is adjusted according to the diameter size of the bearing 4 to be measured, and the telescopic effect of the electric push rod 302 is used to push the telescopic rod 301 to rotate. The rotation of the telescopic rod 301 drives the gap measuring ruler 304 to slide in the gap of the bearing 4 to be measured, and the clearance value (gap) is judged by detecting the number of shaft rollers, and the rotation angle is detected by the rotation sensor 102 to achieve auxiliary measurement.

[0031] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply 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 understood as a limitation on the present invention.

[0032] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A bearing clearance measuring device, comprising a measuring platform (1) and a bearing to be measured (4), characterized in that: A rod sleeve (101) is rotatably mounted on the front end of the measuring platform (1), and a rotation sensor (102) is mounted between the rod sleeve (101) and the measuring platform (1). A positioning component (2) and a measuring component (3) are provided on the measuring platform (1); The measuring assembly (3) comprises a telescopic rod (301), an electric push rod (302), a clamping seat (303) and a gap measuring ruler (304); the telescopic rod (301) is fixedly inserted into the rod sleeve (101); one end of the electric push rod (302) is rotatably mounted on the front end of the measuring platform (1) and the other end is rotatably connected to the telescopic rod (301); the clamping seat (303) is rotatably mounted on the end of the telescopic rod (301) away from the electric push rod (302) and a plurality of fixing bolts (305) are threadedly mounted on the clamping seat (303); one end of the gap measuring ruler (304) is fixedly mounted in the clamping seat (303) through the fixing bolts (305) and the other end is inserted into the gap of the bearing (4) to be measured.

2. A bearing clearance measuring device according to claim 1, characterized in that: The measuring table (1) is provided with a placement groove, and the bearing (4) to be measured is vertically placed in the placement groove.

3. A bearing clearance measuring device according to claim 2, characterized in that: The placement groove is in an inverted step-shaped configuration and a plurality of anti-slip convex strips are arranged on the groove wall of the placement groove.

4. A bearing clearance measuring device according to claim 1, characterized in that: The positioning assembly (2) comprises a clamping plate (201) and an adjusting screw (202); the adjusting screw (202) is threadedly mounted on the rear end wall of the measuring platform (1) and is rotatably connected to the clamping plate (201); a rotating hand wheel (203) is fixedly welded to one end of the adjusting screw (202) away from the clamping plate (201).

5. A bearing clearance measuring device according to claim 4, characterized in that: Two guide slide bars (204) are fixedly mounted on the clamping plate (201), and the guide slide bars (204) are movably inserted into the rear end wall of the measuring platform (1).

6. A bearing clearance measuring device according to claim 5, characterized in that: The guide slide bar (204) is located outside the measuring platform (1) and is sleeved with a spring (206). The guide slide bar (204) is provided with a limit plate (205) at one end away from the clamping plate (201), and the two ends of the spring (206) are respectively fixedly connected to the measuring platform (1) and the limit plate (205).

7. A bearing clearance measuring device according to claim 1, characterized in that: A threaded positioning bolt is threadedly mounted on the telescopic rod (301).

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