Tolerance detector for bearing

By designing a tolerance tester with automatic clamping and laser measurement, the problem of time-consuming and error-prone manual operation in traditional bearing inspection has been solved, and efficient and accurate inspection of bearings has been achieved, thereby improving production efficiency and product quality.

CN223376582UActive Publication Date: 2025-09-23XIAMEN ZHONGMAI AUTOMATION ENG CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422684503.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-05
Publication Date
2025-09-23
Estimated Expiration
2034-11-05

AI Technical Summary

Technical Problem

Traditional bearing tolerance testing relies on manual operation, which makes the measurement process time-consuming, prone to human errors, and difficult to ensure the fixation and stability of the bearing, affecting the accuracy of the test results and production efficiency.

Method used

A tolerance tester is designed, which includes a clamping mechanism and a laser measuring device. The hydraulic rod is used to automatically clamp the bearing, and the first and second laser measuring devices are used to measure the outer diameter, inner diameter and roundness of the bearing respectively, to achieve automated and high-precision detection.

Benefits of technology

It realizes automatic fixation and stable measurement of bearings, reduces manual operation, improves measurement accuracy and efficiency, and reduces measurement errors and rework rates.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223376582U_ABST
    Figure CN223376582U_ABST
Patent Text Reader

Abstract

The utility model provides a tolerance detector for a bearing, which relates to the technical field of bearing detection devices and comprises a base, the outer wall of the upper end of the base is fixedly connected with a shell, the inner wall of the shell is movably connected with a clamping mechanism, the clamping mechanism comprises a sliding block slidably connected to one side of the outer wall of the shell, and one side of the sliding block is connected with a first connecting piece. The side, away from the first connecting piece, of the connecting rod is movably connected with a movable rod, the middle of the outer wall of one side of the movable rod is fixedly connected with a second connecting piece, the outer wall of one side of the middle of the movable rod is connected with a third connecting piece, and the side, away from the movable rod, of the third connecting piece is connected with a sleeve. The outer wall of one side of the movable rod is connected with a hydraulic rod. The bearing tolerance detector solves the problems that an existing bearing tolerance detector adopting manual measurement is low in working efficiency and complex in operation, the product quality is not qualified easily due to bearing displacement or measurement errors, and the rework rate and the production cost are increased.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of bearing detection devices, in particular to a tolerance detector for bearings. Background Art

[0002] As an important component in mechanical equipment, the precision and performance of bearings are crucial to the overall operation of the equipment. During the manufacturing process of bearings, tolerance testing is a key step in ensuring bearing quality. Tolerance testing mainly includes testing geometric parameters such as the outer diameter, inner diameter, and roundness of the bearing to ensure smooth operation in the application and reduce wear and failure. However, traditional bearing tolerance testing usually relies on manually operated measuring tools, such as manual measuring instruments such as calipers and micrometers. This method is limited by the operator's experience and technical level, and the measurement process is time-consuming and prone to human errors. In addition, manual testing tools make it difficult to ensure the fixation and stability of the bearing during the measurement process, resulting in insufficient accuracy of the measurement data and affecting the reliability of the test results.

[0003] In actual production, with the ever-increasing demands for production efficiency and product quality, manual measurement methods are becoming increasingly unsuitable for the demands of modern production environments. Traditional manual measurement is not only inefficient but also complex. Bearing displacement or measurement errors can easily lead to substandard product quality, increasing rework and production costs. Therefore, there is an urgent need for automated, efficient, and highly accurate testing equipment that can measure bearing tolerances. This will improve production efficiency and reduce manual labor and measurement errors. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and provide a tolerance detector for bearings.

[0005] In order to achieve the above-mentioned object, the present invention adopts the following technical solution: a tolerance tester for bearings, comprising: a base, an outer wall of the upper end of the base is fixedly connected to a shell, an inner wall of the shell is movably connected to a clamping mechanism, a slide groove is formed on the outer wall of the upper end of the shell, a placement groove is formed in the middle of the outer wall of the upper end of the shell, a slot is formed on the outer walls on both sides of the middle of the shell, a limit rod is fixedly connected to the top of the inner wall of the shell, and a fixing block is fixedly connected to both sides of the outer wall of the shell;

[0006] The clamping mechanism includes a slider slidably connected to one side of the outer wall of the shell, one side of the slider is connected to a first connecting member, the other side of the first connecting member is movably connected to a connecting rod, the side of the connecting rod away from the first connecting member is movably connected to a movable rod, the middle part of the outer wall of one side of the movable rod is fixedly connected to a second connecting member, the outer wall of one side in the middle of the movable rod is connected to a third connecting member, the side of the third connecting member away from the movable rod is connected to a sleeve, and the outer wall of one side of the lower end of the movable rod is connected to a hydraulic rod.

[0007] As a preferred embodiment, a side panel is fixedly connected to the outer walls on both sides of the upper end of the base, the upper end of the side panel is fixedly connected to the first laser measuring device, the outer wall on one side of the base is fixedly connected to a horizontal panel, and the lower end of the outer wall on one side of the upper end of the horizontal panel is fixedly connected to the second laser measuring device.

[0008] As a preferred embodiment, the sleeve is slidably connected to the outer wall of the limiting rod provided at the top end of the inner wall of the shell.

[0009] As a preferred embodiment, the fixing blocks provided on both sides of the outer wall of the shell are movably connected to the second connecting member.

[0010] As a preferred embodiment, the slider is slidably connected to one side of the inner wall of a sliding groove provided on the outer wall of the upper end of the shell.

[0011] As a preferred embodiment, the first laser measuring device provided on the upper end of the side panel is correspondingly connected to the slot opened on the middle outer wall of the upper end of the shell.

[0012] As a preferred embodiment, the lower end of the second laser measuring device connected to one side of the horizontal plate is correspondingly connected to a placement groove opened in the middle of the outer wall of the upper end of the shell.

[0013] Compared with the prior art, the advantages and positive effects of the present invention are:

[0014] 1. When the utility model is in use, the hydraulic rod drives the movable rod, slider and connecting parts, so that the bearing is automatically clamped in the placement groove and fixed in the center position, which simplifies manual operation and ensures that the bearing is stable and does not shift during the measurement process.

[0015] 2. When the utility model is in use, the first laser measuring device irradiates the bearing through the slot, which can accurately measure the outer diameter of the bearing, avoiding the measurement error of traditional manual measuring tools and improving the measurement accuracy.

[0016] 3. When the present invention is in use, the second laser measuring device corresponds to the placement slot, and the inner diameter and roundness of the bearing are measured by laser technology, ensuring that the geometric shape of the bearing meets the requirements and realizing efficient and accurate multi-dimensional measurement. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The present invention provides a schematic diagram of the appearance and structure of a tolerance detector for bearings.

[0018] Figure 2 The present invention is a schematic diagram of the partially disassembled structure of a tolerance tester for bearings provided by the present invention.

[0019] Figure 3 The present invention provides a schematic diagram of the cross-sectional disassembly structure of a tolerance tester for bearings.

[0020] Figure 4 The present invention provides a schematic diagram of the disassembly of a clamping mechanism structure of a tolerance tester for bearings.

[0021] Legend:

[0022] 1. Base; 2. Side panels; 3. First laser measuring device; 4. Horizontal panel; 5. Second laser measuring device; 6. Housing; 7. Clamping mechanism; 8. Slide; 9. Placement slot; 10. Slot hole; 11. Limit rod; 12. Fixing block;

[0023] 71. Slider; 72. First connecting member; 73. Connecting rod; 74. Movable rod; 75. Second connecting member; 76. Third connecting member; 77. Sleeve; 78. Hydraulic rod. DETAILED DESCRIPTION

[0024] In order to more clearly illustrate the overall concept of the present invention, a detailed description is given below in combination with the accompanying drawings by way of examples.

[0025] It should be noted that many specific details are set forth in the following description to facilitate a full understanding of the present invention. However, the present invention can also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present invention is not limited to the specific embodiments disclosed below.

[0026] In addition, in the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential", etc., indicating the orientation or position relationship, are based on the orientation or position relationship 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 cannot be understood as a limitation on the present invention.

[0027] In this utility model, unless otherwise expressly specified or limited, terms such as "installed," "connected," "connect," and "fixed" should be interpreted broadly. For example, they may refer to fixed connections, removable connections, or integration; they may refer to direct connections or indirect connections through an intermediate medium; they may refer to internal communication between two components or interaction between two components. However, the term "direct connection" indicates that the two connected entities are not connected through a transitional structure, but are connected solely through a connecting structure to form a single entity. Those skilled in the art will understand the specific meanings of these terms in this utility model based on the specific circumstances.

[0028] In the present invention, unless otherwise expressly specified and limited, a first feature "above" or "below" a second feature may be such that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the descriptions with reference to the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" etc. mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more embodiments or examples.

[0029] Example 1

[0030] like Figure 1-4 As shown, the utility model provides a technical solution: a tolerance tester for bearings, comprising: a base 1, a shell 6 is fixedly connected to the outer wall of the upper end of the base 1, a clamping mechanism 7 is movably connected to the inner wall of the shell 6, a slide groove 8 is opened on the outer wall of the upper end of the shell 6, a placement groove 9 is opened in the middle of the outer wall of the upper end of the shell 6, a slot hole 10 is opened on the outer walls on both sides of the middle of the shell 6, a limit rod 11 is fixedly connected to the top of the inner wall of the shell 6, and a fixing block 12 is fixedly connected to both sides of the outer wall of the shell 6;

[0031] The clamping mechanism 7 includes a slider 71 slidably connected to one side of the outer wall of the shell 6, and the slider 71 is slidably connected to one side of the inner wall of the slide groove 8 opened on the outer wall of the upper end of the shell 6. One side of the slider 71 is connected to a first connecting member 72, and the other side of the first connecting member 72 is movably connected to a connecting rod 73. The connecting rod 73 is movably connected to a movable rod 74 on the side away from the first connecting member 72. The middle part of the outer wall of one side of the movable rod 74 is fixedly connected to a second connecting member 75, and the fixed blocks 12 provided on both sides of the outer wall of the shell 6 are movably connected to the second connecting member 75. The outer wall of one side in the middle of the movable rod 74 is connected to a third connecting member 76, and the side of the third connecting member 76 away from the movable rod 74 is connected to a sleeve 77. The sleeve 77 is slidably connected to the outer wall of the limit rod 11 provided at the top of the inner wall of the shell 6, and the outer wall of one side of the lower end of the movable rod 74 is connected to a hydraulic rod 78.

[0032] In this embodiment, a base 1 is designed, and a shell 6 is fixedly connected to the outer wall of the upper end of the base 1, wherein a slide groove 8 and a placement groove 9 are opened on the outer wall of the upper end of the shell 6, and the slide groove 8 is correspondingly connected to the placement groove 9, and the placement groove 9 is provided in the middle of the upper end of the shell 6, so the bearing to be tested can be placed in the placement groove 9, and at this time, a clamping mechanism 7 is connected to the inner wall of the shell 6, wherein the clamping mechanism 7 includes a slider 71, and the slider 71 is slidably connected to one side of the inner wall of the slide groove 8, and one side of the slider 71 is connected to a first connecting member 72, and the other side of the first connecting member 72 is connected to a connecting rod 73, and the side of the connecting rod 73 away from the first connecting member 72 is connected to a movable rod 74, and the movable rod 74 is correspondingly connected to the fixed block 12 provided on the outer walls of both sides of the shell 6 through a second connecting member 75 connected in the middle, and a hydraulic rod 78 is connected to the lower end of the movable rod 74. When the lever 74 is in the unlocked position, the second link 75 is engaged and the second link 76 is engaged, thereby the second link 76 is engaged and the second link 76 is engaged.

[0033] Example 2

[0034] like Figure 1-3As shown, a side panel 2 is fixedly connected to the outer walls on both sides of the upper end of the base 1, and a first laser measuring device 3 is fixedly connected to the upper end of the side panel 2. The first laser measuring device 3 provided on the upper end of the side panel 2 is correspondingly connected to the slot 10 opened on the middle outer wall of the upper end of the shell 6. A horizontal panel 4 is fixedly connected to the outer wall of one side of the base 1, and a second laser measuring device 5 is fixedly connected to the lower end of the outer wall of one side of the upper end of the horizontal panel 4. The lower end of the second laser measuring device 5 connected to one side of the horizontal panel 4 is correspondingly connected to the placement slot 9 opened in the middle of the outer wall of the upper end of the shell 6.

[0035] In this embodiment, a side plate 2 is fixedly connected to the outer walls on both sides of the upper end of the base 1, and a first laser measuring device 3 is fixedly connected to the upper end of the side plate 2, wherein the first laser measuring device 3 is provided on the outer walls on both sides of the shell 6, and the first laser measuring device 3 is correspondingly connected to the slots 10 opened on both sides of the shell 6, and the slots 10 are correspondingly connected to the placement slots 9 and are provided at the center position, so that the bearing can be clamped by the slider 71 at the center position of the placement slot 9. At this time, the diameter of the bearing can be accurately measured through the action of the first laser measuring device 3 and the slots 10, and a horizontal plate 4 is fixedly connected to the outer wall on one side of the upper end of the base 1, and a second laser measuring device 5 is fixedly connected to the lower end of one side of the upper end of the horizontal plate 4, and the second laser measuring device 5 is correspondingly connected to the placement slot 9 opened in the middle part of the outer wall of the upper end of the shell 6. In this way, the inner diameter of the bearing can be measured without the need to use too many cumbersome devices for manual measurement, which greatly improves the accuracy of the measurement.

[0036] Working principle:

[0037] like Figure 1-4As shown, the bearing to be tested is placed in the placement groove 9 opened at the upper end of the shell 6. At this time, the hydraulic rod 78 is started, the hydraulic rod 78 will extend to both sides, and drive the movable rods 74 connected on both sides to rotate with the second connecting member 75 as the axis. At this time, the third connecting member 76 and the sleeve 77 connected to one side of the middle of the movable rod 74 slide downward on the outer wall of the limit rod 11 provided on the inner wall of the shell 6 to ensure the sliding stability of the movable rod 74, and the hydraulic rod 78 will also move downward on the inner wall of the shell 6. At this time, the upper end of the movable rod 74 will move toward the middle and push the slider 71, the first connecting member 72 and the connecting rod 73 connected on one side to open at the upper end of the shell 6. The inner wall of the slide groove 8 slides toward the placement groove 9, thereby clamping the bearing placed in the placement groove 9 and fixing it in the center position of the placement groove 9. At this time, the first laser measuring device 3 provided on both sides of the shell 6 is started. At this time, the first laser measuring device 3 will irradiate into the placement groove 9 through the slot hole 10, thereby detecting the diameter of the bearing, and the second laser measuring device 5 provided on one side of the upper end of the horizontal plate 4 is started. The lower end of the second laser measuring device 5 is connected to the placement groove 9 accordingly, thereby detecting the inner diameter and roundness. In this way, the detection operation is simplified, and there is no need to use too many cumbersome devices for manual measurement, which greatly improves the accuracy of the measurement.

[0038] Those skilled in the art should understand that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of the present invention (including the claims) is limited to these examples. Within the scope of the present invention, the technical features of the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.

[0039] The present invention is intended to cover all such substitutions, modifications, and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A tolerance tester for a bearing, comprising a base (1), characterized in that: The outer wall of the upper end of the base (1) is fixedly connected to a shell (6), the inner wall of the shell (6) is movably connected to a clamping mechanism (7), a sliding groove (8) is provided on the outer wall of the upper end of the shell (6), a placement groove (9) is provided in the middle of the outer wall of the upper end of the shell (6), a slot hole (10) is provided on the outer walls on both sides of the middle of the shell (6), a limiting rod (11) is fixedly connected to the top of the inner wall of the shell (6), and a fixing block (12) is fixedly connected to both sides of the outer wall of the shell (6); The clamping mechanism (7) comprises a slider (71) slidably connected to one side of the outer wall of the shell (6); one side of the slider (71) is connected to a first connecting member (72); the other side of the first connecting member (72) is movably connected to a connecting rod (73); the side of the connecting rod (73) away from the first connecting member (72) is movably connected to a movable rod (74); the middle part of the outer wall of one side of the movable rod (74) is fixedly connected to a second connecting member (75); the outer wall of one side of the middle part of the movable rod (74) is connected to a third connecting member (76); the side of the third connecting member (76) away from the movable rod (74) is connected to a sleeve (77); and the outer wall of one side of the lower end of the movable rod (74) is connected to a hydraulic rod (78).

2. A tolerance tester for bearings according to claim 1, characterized in that: The outer walls on both sides of the upper end of the base (1) are fixedly connected to a side plate (2), the upper ends of the side plates (2) are fixedly connected to a first laser measuring device (3), the outer wall on one side of the base (1) is fixedly connected to a transverse plate (4), and the lower end of the outer wall on one side of the upper end of the transverse plate (4) is fixedly connected to a second laser measuring device (5).

3. A tolerance tester for bearings according to claim 1, characterized in that: The sleeve (77) is slidably connected to the outer wall of a limiting rod (11) provided at the top end of the inner wall of the housing (6).

4. A tolerance tester for bearings according to claim 1, characterized in that: The fixing blocks (12) provided on both sides of the outer wall of the shell (6) are movably connected to the second connecting member (75).

5. The tolerance tester for bearings according to claim 1, characterized in that: The slider (71) is slidably connected to one side of the inner wall of the sliding groove (8) provided on the outer wall of the upper end of the housing (6).

6. A tolerance tester for bearings according to claim 2, characterized in that: The first laser measuring device (3) provided on the upper end of the side plate (2) is correspondingly connected to a slot (10) provided on the outer wall of the middle portion of the upper end of the housing (6).

7. A tolerance tester for bearings according to claim 2, characterized in that: The lower end of the second laser measuring device (5) connected to one side of the transverse plate (4) is correspondingly connected to a placement groove (9) opened in the middle of the outer wall of the upper end of the shell (6).