Bearing angle clearance detection device
By designing a bearing angular clearance detection device that includes a base plate, dial indicator, mandrel, frame components, and fixing components, the problem of low accuracy in existing detection methods is solved, and high-precision and highly versatile bearing angular clearance measurement is achieved.
Patent Information
- Application Number
- CN202520428643.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-12
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-03-12
AI Technical Summary
Existing methods for detecting bearing angular clearance rely on manual experience and have low accuracy, and existing equipment has a complex structure that makes it difficult to operate accurately.
A testing device comprising a base plate, a dial indicator, a mandrel, a frame, and a fixing component was designed. By manually moving the mandrel up and down, the dial indicator measures the vertical displacement of the measuring end and the measuring rod. Combined with a multi-link adjustment structure and a threaded limiting component, the device achieves accurate measurement of bearing angular clearance.
It improves detection accuracy and device versatility, ensures accuracy and reliability in different scenarios, simplifies operation procedures, and reduces material costs.
Smart Images

Figure CN223882937U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to bearing field especially relates to a bearing angle play detection device. BACKGROUND
[0002] Angle play, namely the clearance between the inner and outer rings of the bearing in the relative angular displacement, it reflects the flexibility and stability of the bearing in the running process. The size of the play directly affects the bearing capacity, friction resistance and service life of the bearing.
[0003] And in the bearing manufacturing and application field, the angle play of the bearing is one of the key indicators to measure its quality and performance. The appropriate angle play is very important to ensure the smooth operation of the bearing, reduce wear, prolong the service life and improve the overall performance of the equipment.
[0004] At present, the existing bearing angle play detection has many deficiencies. Some traditional detection methods rely on manual experience and simple tools, and the detection precision is low and the error is large. And the device structure for detecting the angle play is relatively complex, which cannot be accurately operated and achieve the ideal detection effect. UTILITY MODEL CONTENT
[0005] The utility model solves the technical problem in the prior art, and provides a bearing angle play detection device.
[0006] The utility model adopts the technical scheme that a bearing angle play detection device, the detection device includes bottom plate, dial indicator, mandrel, frame piece and the fixed part for fixing bearing, the frame piece and fixed part are arranged at the both ends of bottom plate respectively, the both ends of mandrel are equipped with measurement end and dial end respectively, the measurement end is inserted into the bearing hole through the fixed part, the dial indicator is arranged on the upper end of dial end along the mandrel through the frame piece, the lower end of dial indicator is equipped with measuring rod, when measuring the angle play, the dial indicator is swung up and down by manually dialing the mandrel, and the up and down displacement of the measurement end and measuring rod is measured.
[0007] Preferably, the fixed part includes a fixed plate arranged on the bottom plate, a valve sleeve penetratingly arranged on the fixed plate, and a limiting piece arranged on the valve sleeve, the both ends of the valve sleeve are respectively provided with a penetrating end for inserting the mandrel and a fixed end for fixing the bearing along the fixed plate, and the valve sleeve fixes the bearing in the fixed end through the limiting piece.
[0008] The effect achieved by the above-mentioned components is that: by setting the fixing member including the fixing plate, the valve sleeve and the limiting piece, the bearing can be firmly fixed. The fixing plate is arranged on the bottom plate to provide a mounting basis for the valve sleeve. The valve sleeve is provided with a penetrating end and a fixed end at both ends respectively. The penetrating end facilitates the insertion of the mandrel, and the fixed end is used to fix the bearing, with clear division of labor. The limiting piece cooperates with the valve sleeve to flexibly adjust the fixing force on the bearing according to the size and type of the bearing, improve the adaptability of the device to different bearings, ensure the stability of the bearing position during detection, and prevent displacement, thereby improving the detection accuracy.
[0009] Preferably, the rack member includes a base arranged on the bottom plate and an adjusting connecting rod arranged on the base. The adjusting connecting rod includes a first branch rod, a second branch rod and a third branch rod connected in turn.
[0010] The effect achieved by the above-mentioned components is that: by setting the rack member including the base and the adjusting connecting rod, and the adjusting connecting rod including the first branch rod, the second branch rod and the third branch rod connected in turn. The design of multi-linkage rotary connection enables the position of the dial gauge to be adjusted at multiple angles. By changing the angles between the branch rods, the dial gauge can be flexibly moved to the appropriate position to adapt to the bearing detection requirements of different specifications and different installation methods, greatly enhancing the versatility of the detection device and improving its applicability in different detection scenarios.
[0011] Preferably, the base is provided with a universal adjusting head rotatably connected with the first branch rod.
[0012] The effect achieved by the above-mentioned components is that: by setting the universal adjusting head rotatably connected with the first branch rod on the base, the adjusting mode of the adjusting connecting rod is further enriched. It enables the first branch rod to rotate within a wider angle range, and in combination with the multi-linkage rotary structure of the adjusting connecting rod, the dial gauge can not only move flexibly in the plane, but also adjust the angle in space, ensuring that the measuring rod at the lower end of the dial gauge always maintains good contact with the actuating end of the mandrel. Regardless of the shape, size and installation position of the bearing, accurate measurement can be achieved, greatly improving the detection device's ability to cope with complex situations and ensuring the accuracy and reliability of detection.
[0013] Preferably, the fixed end is internally threaded, and the limiting piece is arranged in the fixed end through threaded connection.
[0014] The effect achieved by the above components is that the fixed end is internally threaded, and the limiting piece is connected in the fixed end through the thread, which has high flexibility and controllability. The operator can accurately rotate the limiting piece according to the actual size of the bearing, so that the limiting piece advances or retreats in the fixed end, thereby accurately adjusting the clamping degree of the bearing. Compared with other fixing modes, the thread connection can provide stable and fine-tunable fixing force, which not only ensures that the bearing will not loosen during detection, but also avoids damage to the bearing due to over-tightening, thereby ensuring the smooth progress of the detection process and the accuracy of the detection result.
[0015] Preferably, the valve sleeve is provided in a hollow structure.
[0016] The effect achieved by the above components is that the valve sleeve is provided in a hollow structure, which not only meets the functions of fixing the bearing and guiding the insertion of the mandrel, but also reduces the weight of the entire fixing piece. Not only the material cost is reduced, but also the device is more portable, which is convenient for operation and carrying. In addition, the hollow structure can also provide space for the installation of other auxiliary devices, which provides convenience for the functional expansion of the device.
[0017] Compared with the prior art, the utility model has the advantages that: through setting up detection device including bottom plate, dial gauge, mandrel, frame piece and fixed part, layout is reasonable, and the structure is compact. Frame piece and fixed part are separately arranged at both ends of bottom plate, which provides stable support for the whole detection process and ensures the accuracy of detection. The two ends of the mandrel are respectively provided with a measuring end and a poking end, so that the manual operation and measurement are closely matched. By manually poking the mandrel up and down, the up and down displacement of the measuring end and the measuring rod is measured by the dial gauge, and the angular play of the bearing is calculated by the up and down displacement, that is, the angular play value of the bearing. The operation is simple and directly effective. BRIEF DESCRIPTION OF DRAWINGS
[0018] Fig. 1 It is a structural schematic diagram of the utility model;
[0019] Fig. 2 It is a sectional structure schematic diagram of the utility model;
[0020] Fig. 3 It is an exploded structure schematic diagram of the utility model.
[0021] Fig. 1 is a detection device; 2 is a bottom plate; 3 is a dial gauge; 4 is a mandrel; 5 is a frame piece; 6 is a fixed part; 7 is a measuring end; 8 is a poking end; 9 is a measuring rod; 10 is a fixed plate; 11 is a valve sleeve; 12 is a limiting piece; 13 is a penetrating end; 14 is a fixed end; 15 is a base; 16 is an adjusting connecting rod; 17 is a first supporting rod; 18 is a second supporting rod; 19 is a third supporting rod; and 20 is a universal adjusting head. DETAILED DESCRIPTION
[0022] The embodiments of the present application will be described herein below with reference to drawings. Many practical details will be described in the following description in order to provide a thorough understanding of the present application. However, it will be apparent to those skilled in the art that the present application is not limited to the details described herein. That is, in some embodiments of the present application, these practical details are not necessary. In addition, for the purpose of simplifying the drawings, some conventional structures and components will be shown in the drawings in a simplified schematic manner.
[0023] It should be noted that all directional indications, such as upper, lower, left, right, front, rear, etc., in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications will also change accordingly.
[0024] In addition, in addition to being used to represent the orientation or positional relationship, the above-mentioned terms can also be used to represent other meanings, for example, the term "upper" can also be used to represent a certain dependent relationship or connection relationship in some cases, and those skilled in the art can understand the specific meaning of these terms in the present application according to the specific situation.
[0025] In addition, the terms "mounting", "setting", "provided with", "connecting", "connected", "sleeved" should be understood broadly. For example, it can be fixedly connected, detachably connected, or integrally configured; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediate medium, or it can be the internal communication between two devices, elements or components. The connection mode involved in the present application is prior art and does not have any improvement, and belongs to the common knowledge of those skilled in the art. Those skilled in the art can understand the specific meaning of the above-mentioned terms in the present application according to the specific situation.
[0026] In addition, the description of "first", "second" and the like in the present application is only for the purpose of description, and does not mean to specially indicate the order or sequence, nor to limit the present application. It is merely to distinguish the components or operations described by the same technical terms, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the fact that those skilled in the art can realize it. When the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the present application.
[0027] In the present embodiment 1,
[0028] AsFigs. 1-3 The utility model provides a bearing angle play detection device 1, the detection device 1 includes bottom plate 2, dial indicator 3, mandrel 4, frame member 5 and the fixed part 6 for fixing bearing, frame member 5 and fixed part 6 are arranged respectively at both ends of bottom plate 2, the both ends of mandrel 4 are equipped with measuring end 7 and the end 8 of poking respectively, measuring end 7 inserts into the bearing inner hole through fixed part 6, dial indicator 3 is arranged on the upper end of the end 8 of poking along mandrel 4 through frame member 5, the lower end of dial indicator 3 is provided with measuring rod 9, when measuring angle play, dial indicator 3 swings up and down by manually poking mandrel 4, and the up and down displacement of measuring end 7 and measuring rod 9 is measured.
[0029] By setting detection device 1 includes bottom plate 2, dial indicator 3, mandrel 4, frame member 5 and the fixed part 6, layout is reasonable, and the compact structure is set up, frame member 5 and fixed part 6 are separately arranged at both ends of bottom plate 2, and stable support is provided for the whole detection process, and the accuracy of detection is ensured. The both ends of mandrel 4 are equipped with measuring end 7 and the end 8 of poking respectively, so that manual operation and measurement are closely matched, the up and down displacement of measuring end 7 and measuring rod 9 is measured by manually swinging up and down of mandrel 4, and the up and down displacement is used to calculate the size of the angle play of bearing, that is, the angle play value of the bearing, and the operation is simple and directly effective.
[0030] The fixed part 6 includes the fixed plate 10 arranged on the bottom plate 2, the valve sleeve 11 threaded on the fixed plate 10 and the limiting part 12 arranged on the valve sleeve 11, the valve sleeve 11 is threaded at both ends along the fixed plate 10 and is provided with the threaded end 13 for inserting the mandrel 4 and the fixed end 14 for fixing the bearing, and the valve sleeve 11 is fixed in the fixed end 14 by the limiting part 12.
[0031] By setting the fixed part 6 including the fixed plate 10, the valve sleeve 11 and the limiting part 12, the bearing can be firmly fixed. The fixed plate 10 is arranged on the bottom plate 2 to provide a mounting base for the valve sleeve 11. The valve sleeve 11 is provided with a threaded end 13 and a fixed end 14 at both ends, respectively. The threaded end 13 facilitates the insertion of the mandrel 4, and the fixed end 14 is used to fix the bearing, with clear division of labor. The limiting part 12 cooperates with the valve sleeve 11 to flexibly adjust the fixing force on the bearing according to the size and type of the bearing, improve the adaptability of the device to different bearings, ensure the stability of the bearing position during the detection process, and prevent displacement, thereby improving the detection accuracy.
[0032] The frame member 5 includes a base 15 arranged on the bottom plate 2 and an adjusting connecting rod 16 arranged on the base 15, and the adjusting connecting rod 16 includes a first branch rod 17, a second branch rod 18 and a third branch rod 19 connected in sequence.
[0033] By setting the rack piece 5 to include the base 15 and the adjusting connecting rod 16, the adjusting connecting rod 16 includes the first branch rod 17, the second branch rod 18, and the third branch rod 19 connected in turn. The design of the multi-connecting rod rotation connection enables the position of the dial gauge 3 to be adjusted at multiple angles. By changing the angle between the branch rods, the dial gauge 3 can be flexibly moved to the appropriate position to adapt to the bearing detection requirements of different specifications and different installation methods, greatly enhancing the versatility of the detection device 1 and improving its applicability in different detection scenarios.
[0034] The base 15 is provided with a universal adjusting head 20 rotationally connected with the first branch rod 17.
[0035] By providing the universal adjusting head 20 rotationally connected with the first branch rod 17 on the base 15, the adjusting mode of the adjusting connecting rod 16 is further enriched. It enables the first branch rod 17 to rotate within a wider angle range, and in combination with the multi-rod rotation structure of the adjusting connecting rod 16, the dial gauge 3 can not only move flexibly in the plane but also adjust the angle in space, ensuring that the measuring rod 9 at the lower end of the dial gauge 3 always maintains good contact with the poking end 8 of the mandrel 4, regardless of changes in the shape, size, and installation position of the bearing, accurate measurement can be achieved, greatly improving the detection device 1's ability to cope with complex situations and ensuring the accuracy and reliability of detection.
[0036] The fixed end 14 is internally threaded, and the limiting piece 12 is arranged in the fixed end 14 through threaded connection.
[0037] The fixed end 14 is internally threaded, and the limiting piece 12 is arranged in the fixed end 14 through threaded connection. This design has high flexibility and controllability. The operator can accurately rotate the limiting piece 12 according to the actual size of the bearing, so that it advances or retreats in the fixed end 14, thereby accurately adjusting the clamping degree of the bearing. Compared with other fixing methods, threaded connection can provide stable and adjustable fixing force, which not only ensures that the bearing does not loosen during detection, but also avoids damage to the bearing due to excessive tightening, ensuring the smooth progress of the detection process and the accuracy of the detection results.
[0038] The valve sleeve 11 is provided in a hollow structure.
[0039] The valve sleeve 11 is provided in a hollow structure, which not only meets its functions of fixing the bearing and guiding the insertion of the mandrel 4, but also reduces the weight of the entire fixing piece 6. Not only does it reduce material costs, but it also makes the device more portable, making it easier to operate and transport. In addition, the hollow structure also provides space for the installation of other auxiliary devices, providing convenience for the functional expansion of the device.
[0040] In this embodiment 2,
[0041] As Figs. 1-3As shown, by setting the detection device 1 including the base plate 2, the dial gauge 3, the mandrel 4, the rack member 5 and the fixing member 6, the effective detection of the bearing angular play is realized. By manually dialing the mandrel 4, the upper and lower displacement amounts are obtained by the dial gauge 3 measuring the contact of the measuring end 7 and the measuring rod 9, the operation is intuitive and simple, and the detection data can be quickly obtained. In the fixing member 6, the combination of the fixed plate 10, the valve sleeve 11 and the limiting member 12 can stably fix different specifications of bearings, the threaded ends 13 and the fixed ends 14 at both ends of the valve sleeve 11 are reasonably designed, the mandrel 4 is conveniently inserted and fixed with the bearing, and the threads of the fixed ends 14 are matched with the limiting member 12, so that the fixing force can be adjusted according to the size of the bearing. In the rack member 5, the base 15 is matched with the adjusting connecting rod 16 which is sequentially rotationally connected by the first supporting rod 17, the second supporting rod 18 and the third supporting rod 19, and the universal adjusting head 20 is additionally provided, so that the dial gauge 3 can be flexibly adjusted in position and angle, the bearings of different sizes and installation positions can be detected, and the versatility and flexibility of the detection device 1 are greatly improved. The hollow structure of the valve sleeve 11 reduces the overall weight and the material cost while ensuring its function.
[0042] In this embodiment 3,
[0043] As Figs. 1-3 shown, the working principle of the utility model is:
[0044] In use, first, the bearing to be detected is installed in the base plate 2 at one end through the fixing member 6. The specific operation is that the bearing is placed in the fixed end 14 of the valve sleeve 11, the limiting member 12 is rotated by rotating the limiting member 12, the threads in the fixed end 14 are used to screw the limiting member 12 into the fixed end 14, so that the bearing is firmly fixed in the valve sleeve 11. Then, the end of the mandrel 4 with the measuring end 7 is inserted into the bearing inner hole through the threaded end 13 of the valve sleeve 11. At this time, the dial gauge 3 installed on the rack member 5 at the other end of the base plate 2 plays a role. The base 15 of the rack member 5 is rotationally connected with the first supporting rod 17 through the universal adjusting head 20, the adjusting connecting rod 16 is sequentially rotationally connected with the first supporting rod 17, the second supporting rod 18 and the third supporting rod 19, by adjusting the rotation angle of the adjusting connecting rod, the dial gauge 3 can be in a suitable position, and the measuring rod 9 at the lower end of the dial gauge 3 is aligned with the dialing end 8 of the mandrel 4.
[0045] In measurement, the dialing end 8 of the mandrel 4 is manually dialled, the mandrel 4 swings up and down, and the measuring end 7 of the mandrel 4 generates up and down displacement in the bearing inner hole. The measuring rod 9 of the dial gauge 3 is in contact with the dialing end 8 of the mandrel 4, with the swinging of the mandrel 4, the dial gauge 3 is in contact with the measuring rod 9 through the mandrel 4, the up and down displacement amount of the measuring end 7 in contact with the measuring rod 9 can be measured by the dial gauge 3, the angular play size of the bearing is calculated by the displacement amount, which is the angular play value of the bearing, so that the detection of the bearing angular play is completed.
[0046] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example" or "some examples" etc.
[0047] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example" or "some examples" etc.
[0048] The standard parts used in the present application can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings, and the specific connection mode of each part adopts the conventional means such as bolts, rivets, welding, and sticking in the prior art, which will not be described in detail here.
[0049] The above is only a preferred embodiment of the present application, and for those skilled in the art, various modifications and changes can be made to the specific implementation and application range according to the idea of the present application, and the content of the specification should not be understood as a limitation of the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims
1. A bearing angular play detection device, characterized by: The detection device comprises a base plate, a dial indicator, a mandrel, a frame and a fixing part for fixing the bearing, the frame and the fixing part are respectively arranged at both ends of the base plate, both ends of the mandrel are respectively provided with a measuring end and a poking end, the measuring end is inserted into the inner hole of the bearing through the fixing part, the dial indicator is arranged on the upper end of the poking end along the mandrel through the frame, and the lower end of the dial indicator is provided with a measuring rod, when the angularity clearance is measured, the dial indicator is manually poked to swing up and down, and the up and down displacement of the measuring end contacting the measuring rod is measured.
2. A bearing angular play detection device according to claim 1, characterized in that: The fixing part comprises a fixing plate arranged on the base plate, a valve sleeve arranged on the fixing plate, and a limiting part arranged on the valve sleeve, both ends of the valve sleeve are respectively provided with a penetrating end for inserting the mandrel and a fixing end for fixing the bearing along the fixing plate, and the valve sleeve fixes the bearing in the fixing end through the limiting part.
3. A bearing angular play detection device according to claim 2, characterized in that: The frame comprises a base arranged on the base plate and an adjusting connecting rod arranged on the base, the adjusting connecting rod comprises a first branch, a second branch and a third branch which are sequentially rotationally connected.
4. A bearing angular play detection device according to claim 3, characterized in that: A universal adjusting head is rotationally connected with the first branch on the base.
5. A bearing angular play detection device according to claim 4, characterized in that: The fixing end is provided with a thread, and the limiting part is arranged in the fixing end through the thread.
6. A bearing angular play detection device according to claim 5, characterized in that: The valve sleeve is provided in a hollow structure.