Retainer radial runout detection tool

CN224838899UActive Publication Date: 2026-10-09DALIAN PUYANG RAILWAY VEHICLE FITTINGS CO LTD
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Patent Information

Application Number
CN202522519903.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-11-27
Publication Date
2026-10-09
Estimated Expiration
2035-11-27

AI Technical Summary

Technical Problem

这样,不仅耗费大量资源,而且在日常储存和维护管理上,也产生很多不便和很大的浪费

Benefits of technology

[0013]本实用新型的有益效果:一副工装即可检验多种尺寸系列的工程塑料保持架的径向游动量,使检验工装数量大大减少,节约了大量工装制作和检验器具采购成本,降低了工装日常管理、保养、维护的消耗,同时减少了工装摆放场所和库存占地面积,节省了资源。

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Abstract

The utility model relates to a kind of retaining ring radial wandering amount detection tool in the technical field of retaining ring detection, specifically a kind of retaining ring radial wandering amount detection tool, including measuring structure, support seat, pressing plate;The measuring structure is provided with stud, the stud is equipped with adjusting nut, the adjusting nut is equipped with instrument support, and instrument is arranged on the instrument support;The support seat is connected with detection platform by fastening bolt;The pressing plate is provided with handle;The bearing inner ring with roller and retaining ring is placed between the pressing plate and the support seat;One end of the screw rod is connected with the pressing plate, and the other end is connected with the support seat.It effectively reduces a large number of gauges and tooling, is conducive to daily management and maintenance, to avoid waste.
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Description

Technical Field

[0001] This utility model relates to the field of cage detection technology, specifically a cage radial movement detection fixture. Background Technology

[0002] The radial movement of tapered roller engineering plastic cages is currently measured using a method similar to that used for stamped steel cages, where each cage type is equipped with a unique radial movement measurement fixture and tooling. During non-production periods, these fixtures and tooling are stored in the warehouse and only retrieved for use during production. This not only consumes significant resources but also creates considerable inconvenience and waste in daily storage and maintenance. Utility Model Content

[0003] In view of the shortcomings of the prior art, this utility model provides a cage radial movement detection fixture, which effectively reduces a large number of inspection tools and fixtures, facilitates daily management and maintenance, and avoids waste.

[0004] To achieve the above objectives, the present invention provides a fixture for detecting the radial movement of a cage, comprising a measuring structure, a support base, and a pressure plate; the measuring structure is provided with a stud, an adjusting nut is sleeved on the stud, an instrument bracket is sleeved on the adjusting nut, and an instrument is mounted on the instrument bracket; the support base is connected to a detection platform by fastening bolts; the pressure plate is provided with a handle; a bearing inner ring with rollers and a cage is placed between the pressure plate and the support base; one end of the screw is connected to the pressure plate, and the other end is connected to the support base.

[0005] Furthermore, the support base has a stepped structure with steps of different diameters on its outer surface to accommodate bearing inner rings of different sizes.

[0006] Furthermore, one end of the bearing inner ring contacts the surface of the step, and the other end contacts the end face of the pressure plate. By cranking the handle, the bearing inner ring is pressed between the pressure plate and the support seat.

[0007] Furthermore, the meter head of the instrument is in contact with the cage, and rotating the adjusting nut causes the instrument bracket to move the instrument up and down along the stud.

[0008] Furthermore, the screw is threadedly connected to the pressure plate and the screw is threadedly connected to the support base.

[0009] Furthermore, a fastening nut is provided on the outside of the screw to lock the screw to the support base.

[0010] Furthermore, the inner ring of the bearing with rollers and a cage is a tapered roller bearing inner ring.

[0011] Furthermore, the inner diameters at both ends of the screw are smaller than the outer diameter in the middle.

[0012] The stud is connected to the testing platform; the instrument is used to read the radial movement value of the bearing cage; the instrument is mounted on an instrument bracket and can move back and forth on the instrument bracket; the instrument bracket is connected to the stud; the adjusting nut is connected to the stud, and rotating the adjusting nut allows the instrument bracket to move the instrument up and down along the stud; the pressure plate is connected to the screw; the screw is connected to the universal support base; the universal support base is placed on the testing platform; the fastening bolts connect the universal support base and the testing platform together.

[0013] The beneficial effects of this utility model are: one tooling can inspect the radial movement of engineering plastic cages of various sizes, which greatly reduces the number of inspection toolings, saves a lot of tooling manufacturing and inspection equipment procurement costs, reduces the consumption of daily management, maintenance and upkeep of toolings, and at the same time reduces the tooling placement space and storage area, thus saving resources. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a diagram showing the usage state of this utility model; Figure 3 This is a top view of the pressure plate of this utility model; Figure 4 This is a cross-sectional view of the pressure plate of this utility model; Figure 5 This is a schematic diagram of the screw structure of this utility model; Figure 6 This is a cross-sectional view of the support base of this utility model; In the diagram: 100, measuring structure; 110, stud; 120, adjusting nut; 130, instrument bracket; 140, instrument; 141, meter head. 200. Support base; 210. Step. 300. Pressure plate; 310. Handle; 320. Fan-shaped structure. 400. Screw; 410. Fastening nut. 500. Bearing inner ring, 600. Testing platform 700. Fastening bolts. Detailed Implementation

[0015] To make the above-mentioned objects, features, and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a full understanding of this utility model. However, this utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below.

[0016] This utility model relates to a cage testing solution, specifically a testing fixture for the radial movement of an engineering plastic cage in tapered roller bearings, which belongs to the field of testing devices for plastic products.

[0017] like Figure 1-6 As shown, one embodiment of this utility model discloses a cage radial movement detection fixture, including a measuring structure 100, a support base 200, and a pressure plate 300. The measuring structure 100 is provided with a stud 110, an adjusting nut 120 is sleeved on the stud 110, an instrument bracket 130 is sleeved on the adjusting nut 120, and an instrument 140 is mounted on the instrument bracket 130. The support base 200 is connected to the detection platform 600 by fastening bolts 700. The pressure plate 300 is provided with a handle 310. The inner ring 500 of the bearing with rollers and a cage is placed between the pressure plate 300 and the support base 200. One end of the screw 400 is connected to the pressure plate 300, and the other end is connected to the support base 200.

[0018] It should be noted that, Figure 2 The arrow indicates the point of application of the finger in the direction indicated by the arrow when measuring the radial movement. When applying force forward, a value is read, and when applying force backward, another value is read. The difference between the two values ​​is the radial movement.

[0019] In one embodiment, the support base 200 has a stepped structure, with steps 210 of different diameters on its outer surface to accommodate bearing inner rings 500 of different sizes.

[0020] Furthermore, one end of the bearing inner ring 500 contacts the surface of the step 210, and the other end contacts the end face of the pressure plate 300. By cranking the handle 310, the bearing inner ring 500 is pressed between the pressure plate 300 and the support seat 200.

[0021] In one embodiment, the meter head 141 is in contact with the cage, and rotating the adjusting nut 120 causes the meter bracket 130 to move the meter up and down along the stud 110.

[0022] In one embodiment, the screw 400 is threadedly connected to the pressure plate 300, and the screw 400 is threadedly connected to the support base 200.

[0023] In one embodiment, a fastening nut 410 is provided on the outside of the screw 400 to lock the screw 400 to the support base 200.

[0024] In one embodiment, the bearing inner ring 500 with rollers and a cage is a bearing inner ring 500 with tapered rollers and a cage.

[0025] In one embodiment, the inner diameters at both ends of the screw 400 are smaller than the outer diameter at the middle.

[0026] In one embodiment, the pressure plate 300 has a disc-shaped structure; the pressure plate 300 is provided with a circumferentially distributed fan-shaped structure 320.

[0027] The aforementioned cage radial movement detection fixture consists of a stud 110, an instrument, an instrument bracket 130, an adjusting nut 120, a pressure plate 300, a screw 400, a general-purpose support 200, fastening bolts 700, and a detection platform 600.

[0028] Stud 110 is connected to the testing platform 600; the instrument is used to read the radial movement of the bearing cage; the instrument is mounted on the instrument bracket 130 and can move back and forth on the instrument bracket 130; the instrument bracket 130 is connected to the stud 110; the adjusting nut 120 is connected to the stud 110 and is located below the instrument bracket 130; rotating the adjusting nut 120 can cause the instrument bracket 130 to move the instrument up and down along the stud 110; the pressure plate 300 is connected to the screw 400; the screw 400 is connected to the universal support 200; the universal support 200 is placed on the testing platform 600; the fastening bolt 700 connects the universal support 200 to the testing platform 600.

[0029] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0030] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0031] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0032] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact through an intermediate medium. Furthermore, "above," "over," and "on top" of the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature. It should be noted that when an element is referred to as "fixed to" or "set on" another element, it can be directly on the other element or there may be an intermediate element present. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element present. The terms "vertical," "horizontal," "above," "below," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible embodiments.

Claims

1. A fixture for detecting the radial movement of a cage, characterized in that: include The measuring structure includes a stud, an adjusting nut sleeved on the stud, an instrument bracket sleeved on the adjusting nut, and an instrument mounted on the instrument bracket. The support base is connected to the testing platform by fastening bolts; A pressure plate is provided with a handle; an inner ring of a bearing with rollers and a cage is placed between the pressure plate and the support base; The screw is connected at one end to the pressure plate and at the other end to the support base.

2. The cage radial movement detection fixture according to claim 1, characterized in that: The support base has a stepped structure with steps of different diameters on its outer surface to accommodate bearing inner rings of different sizes.

3. The cage radial movement detection fixture according to claim 2, characterized in that: One end of the bearing inner ring contacts the surface of the step, and the other end contacts the end face of the pressure plate. By cranking the handle, the bearing inner ring is pressed between the pressure plate and the support seat.

4. The cage radial movement detection fixture according to claim 1, characterized in that: The meter head of the instrument is in contact with the cage, and rotating the adjusting nut causes the instrument bracket to move the instrument up and down along the stud.

5. The cage radial movement detection fixture according to claim 1, characterized in that: The screw is threadedly connected to the pressure plate and to the support base.

6. The cage radial movement detection fixture according to claim 1, characterized in that: A fastening nut is provided on the outside of the screw to lock the screw to the support base.

7. The cage radial movement detection fixture according to claim 1, characterized in that: The inner ring of a bearing with rollers and a cage is a bearing inner ring with tapered rollers and a cage.

8. The cage radial movement detection fixture according to claim 1, characterized in that: The inner diameters at both ends of the screw are smaller than the outer diameter in the middle.

9. The cage radial movement detection fixture according to claim 1, characterized in that: The pressure plate has a disc-shaped structure; the pressure plate is provided with a fan-shaped structure distributed in a circular pattern.