Measuring device for bearing inner ring raceway retaining side slope

Abstract

The utility model provides a measuring device for bearing inner ring raceway retaining side slope, which comprises a workbench, a stand column, a lifting sleeve, a measuring rod and a measuring meter, the workbench is horizontally arranged, the stand column is vertically arranged at the central position of one side of the workbench, the lifting sleeve is arranged on the stand column, the measuring rod is arranged on the lifting sleeve, and the measuring meter is arranged on the measuring rod. And a measuring meter is arranged on the measuring rod in a penetrating manner. The beneficial effects of the utility model are that the device is simple in structure and convenient to use, can be adjusted according to the size of the bearing inner ring, can measure the slope of the inner ring retaining slopes of various models, and is good in versatility and high in detection efficiency.

Description

Technical Field

[0001] The utility model belongs to the technical field of bearing measuring devices, and in particular relates to a measuring device for the slope of a bearing inner ring raceway rib. Background Art

[0002] Generally speaking, a bearing is composed of an outer ring, an inner ring, rollers and a cage, wherein the rollers and the cage are arranged between the inner ring and the outer ring. To prevent the rollers from slipping between the inner ring and the outer ring, ribs are provided on the inner ring and the outer ring. The rib of the inner ring is located at the outer edge of the inner ring, and the contact surface between the rib and the roller is an inclined surface with a certain angle. The angle of the rib has a great influence on the stability and reliability of the bearing. Therefore, it is necessary to measure the angle of the bearing rib during bearing processing. The existing measurement method is to use a profiler to make angle standard parts for detection. Different angle standard parts need to be made for products of different specifications, which has poor versatility, is time-consuming and labor-intensive, and has low detection efficiency. Utility Model Content

[0003] In view of the deficiencies in the prior art, the purpose of the utility model is to design a device for measuring the slope of the inner ring raceway rib of a bearing, so as to solve the problem mentioned in the background technology that different angle standard parts are made for measurement, the versatility is poor, and the detection efficiency is low.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a device for measuring the slope of the inner ring raceway rib of a bearing, comprising: a workbench, a column, a lifting sleeve, a measuring rod and a measuring gauge, the workbench is horizontally arranged, a column is vertically arranged at the center position of one side of the workbench, a lifting sleeve is arranged on the column, a measuring rod is arranged on the lifting sleeve, and a measuring gauge is passed through the measuring rod.

[0005] The workbench as a whole is a rectangular plate-shaped structure, and a strip-shaped through groove is provided along the diagonal line of the workbench. The surface of the workbench is provided with a positioning groove A and a positioning groove B. The positioning groove A is arranged on the inner side of the side where the workbench is connected to the column, and a positioning block A is arranged in the positioning groove A. The positioning groove B is arranged on the inner side of the adjacent side where the positioning groove A is located, and a positioning block B is arranged in the positioning groove B; the surface of the workbench is evenly provided with air gaps parallel to each other.

[0006] The column is a cylindrical structure with an external thread on the surface of the column. A lifting sleeve is sleeved on the column. The lifting sleeve is provided with an internal thread that matches the external thread on the surface of the column. The lifting sleeve is provided with a connecting arm that is integral with the column. A clamping hole is provided at the end of the connecting arm. A measuring rod is passed through the clamping hole. An adjusting screw for fixing the position of the lifting sleeve on the column is provided on the outer wall of the lifting sleeve.

[0007] The measuring rod is a circular rod-shaped structure as a whole, a protruding mounting head is provided at the center of the end face of one end of the measuring rod, and a through hole is provided in the middle of the mounting head for setting up the measuring meter.

[0008] The measuring gauge is a pin-type micrometer, the measuring rod of the measuring gauge passes through a through hole provided on the mounting head, and the measuring rod of the measuring gauge matches the through hole provided on the mounting head.

[0009] The positioning block A is also provided with a standard part for coordinated measurement, and the distance measuring thickness of the standard part is 5 mm.

[0010] The beneficial effects of the utility model are as follows: the device has a simple structure, is easy to use, can be adjusted according to the size of the inner ring of the bearing, can measure the slope of the inner ring rib of various models, has good versatility and high detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the structure of the utility model.

[0012] Figure 2 It is a side view when using the utility model for measurement.

[0013] Figure 3 for Figure 1 A partial enlarged schematic diagram of .

[0014] Figure 4 Schematic diagram of the inner circle to be detected.

[0015] Figure 5 A side view of the measuring rod.

[0016] Figure 6 Schematic diagram of standard parts.

[0017] In the figure: 1. workbench, 101. through slot, 102. positioning slot A, 103. positioning slot B, 104. positioning block A, 105. positioning block B, 106. air gap, 2. column, 3. lifting sleeve, 301. connecting arm, 302. clamping hole, 303. adjusting screw, 4. measuring rod, 401. mounting head, 402. through hole, 5. measuring table, 6. standard part, 7. inner ring to be inspected, 701. retaining edge. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings of this specification to clearly and completely describe the technical solution of the utility model. It should be noted that the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0019] See also Figure 1-Figure 6 A device for measuring the slope of the inner ring raceway rib of a bearing comprises: a workbench 1, a column 2, a lifting sleeve 3, a measuring rod 4 and a measuring gauge 5. The workbench 1 is arranged horizontally, and a column 2 is arranged vertically at the center of one side of the workbench 1. The column 2 is provided with a lifting sleeve 3, and the lifting sleeve 3 is provided with a measuring rod 4, and a measuring gauge 5 is penetrated on the measuring rod 4. The workbench 1 is a rectangular plate structure as a whole, and a strip-shaped through groove 101 is provided along the diagonal line of the workbench 1. A positioning groove A102 and a positioning groove B103 are provided on the surface of the workbench 1. The positioning groove A102 is arranged on the inner side of the side where the workbench 1 and the column 2 are connected, and a positioning block A104 is provided in the positioning groove A102. The positioning groove B103 is arranged on the inner side of the adjacent side where the positioning groove A102 is located, and a positioning block B105 is provided in the positioning groove B103; the surface of the workbench 1 is evenly provided with air gaps 106 parallel to each other. The column 2 is a cylindrical structure, with an external thread on the surface of the column 2. The column 2 is sleeved with a lifting sleeve 3, and the lifting sleeve 3 is provided with an internal thread that matches the external thread on the surface of the column 2. The lifting sleeve 3 is provided with a connecting arm 301 that is integrally formed, and a clamping hole 302 is provided at the end of the connecting arm 301. A measuring rod 4 is passed through the clamping hole 302, and an adjusting screw 303 for fixing the position of the lifting sleeve 3 on the column 2 is provided on the outer wall of the lifting sleeve 3. The measuring rod 4 is a circular rod-shaped structure as a whole, and a protruding mounting head 401 is provided at the center of the end face of one end of the measuring rod 4. A through hole 402 is provided in the middle of the mounting head 401 for setting up a measuring gauge 5. The measuring gauge 5 is a pin-type micrometer, and the measuring rod part of the measuring gauge 5 passes through the through hole 402 provided in the mounting head 401, and the measuring rod of the measuring gauge 5 matches the through hole 402 provided in the mounting head 401. The positioning block A104 is also provided with a standard part 6 for coordinated measurement, and the distance measuring thickness of the standard part 6 is 5 mm.

[0020] When the utility model is used: first, the inner ring 7 to be inspected is placed at the center of the surface of the workbench 1, then the standard part 6 is placed between the positioning block A104 and the inner ring 7 to be inspected, then the rib 701 of the inner ring 7 to be inspected is contacted with the positioning block B105 and the standard part 6 respectively, then the position of the lifting sleeve 3 on the column 2 is adjusted and fixed by adjusting the screw 303, and then the clamping position of the measuring rod 4 is adjusted to make the ejector pin of the measuring table 5 contact the outer edge of the inclined surface of the rib 701, at this time, the standard part 6 is removed, and then the inner ring 7 to be inspected is moved toward the positioning block A104 to make it fit. The measuring thickness of the standard part 6 is 5mm, so the rib 701 also moves 5mm toward the positioning block A104. The slope of the rib 701 can be calculated by trigonometric function according to the reading of the detection table 5; the through groove 101 and the air gap 106 arranged on the workbench 1 are used to solve the problem that the inner ring 7 to be inspected fits tightly with the workbench 1 and is difficult to move. The positioning block A104 and the positioning block B105 can move in the positioning groove A102 and the positioning groove B103 respectively, and can be fixed therein by bolts and nuts, so as to measure the rib 701 of the inner ring 7 to be inspected of different models.

[0021] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

[0022] The parts not described in detail in this utility model are prior art.

Claims

1. A device for measuring the slope of a bearing inner ring raceway rib, comprising: A workbench (1), a column (2), a lifting sleeve (3), a measuring rod (4) and a measuring gauge (5), characterized in that: the workbench (1) is arranged horizontally, a column (2) is vertically arranged at the center position of one side of the workbench (1), a lifting sleeve (3) is arranged on the column (2), a measuring rod (4) is arranged on the lifting sleeve (3), and a measuring gauge (5) is passed through the measuring rod (4).

2. The device for measuring the slope of the inner ring raceway rib of a bearing according to claim 1, characterized in that: The workbench (1) is a rectangular plate-shaped structure as a whole, and a strip-shaped through groove (101) is provided along the diagonal line of the workbench (1). A positioning groove A (102) and a positioning groove B (103) are provided on the surface of the workbench (1). The positioning groove A (102) is arranged on the inner side of the side where the workbench (1) and the column (2) are connected, and a positioning block A (104) is provided in the positioning groove A (102). The positioning groove B (103) is arranged on the inner side of the side adjacent to the positioning groove A (102), and a positioning block B (105) is provided in the positioning groove B (103). The surface of the workbench (1) is evenly provided with air gaps (106) parallel to each other.

3. The device for measuring the slope of the inner ring raceway rib of a bearing according to claim 1, characterized in that: The column (2) is a cylindrical structure, and an external thread is provided on the surface of the column (2). A lifting sleeve (3) is sleeved on the column (2), and an internal thread matching the external thread on the surface of the column (2) is provided in the lifting sleeve (3). A connecting arm (301) fixed to the lifting sleeve (3) is provided, and a clamping hole (302) is provided at the end of the connecting arm (301). A measuring rod (4) is inserted into the clamping hole (302), and an adjusting screw (303) for fixing the position of the lifting sleeve (3) on the column (2) is provided on the outer wall of the lifting sleeve (3).

4. The device for measuring the slope of the inner ring raceway rib of a bearing according to claim 1, characterized in that: The measuring rod (4) is a circular rod-shaped structure as a whole. A protruding mounting head (401) is provided at the center of the end surface of one end of the measuring rod (4). A through hole (402) is provided in the middle of the mounting head (401) for mounting a measuring meter (5).

5. The device for measuring the slope of the inner ring raceway rib of a bearing according to claim 4, characterized in that: The measuring gauge (5) is a pin-type micrometer, and the measuring rod portion of the measuring gauge (5) extends from a through hole (402) provided in the mounting head (401), and the measuring rod of the measuring gauge (5) cooperates with the through hole (402) provided in the mounting head (401).

6. The device for measuring the slope of the inner ring raceway rib of a bearing according to claim 2, characterized in that: The positioning block A (104) is also provided with a standard part (6) for coordinated measurement, and the distance measurement thickness of the standard part (6) is 5 mm.

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