Floating measuring mechanism

Abstract

The invention discloses a floating measuring mechanism, and belongs to the technical field of automatic assembly, the floating measuring mechanism comprises reference surface measuring heads, an oil seal measuring head is arranged between the reference surface measuring heads, the lower end face of each reference surface measuring head abuts against a measuring plane, and the lower end face of each oil seal measuring head abuts against an insertion surface of an oil seal. The lower end faces of the reference surface measuring head and the oil seal measuring head float relatively through an adjusting assembly. The adjusting assembly comprises a convex spherical joint and a concave spherical joint, the convex spherical joint and the concave spherical joint are coaxially arranged, and the outer wall of the convex spherical joint is attached to the inner wall of the concave spherical joint; according to the invention, measurement errors caused by a non-horizontal measurement plane are avoided.

Description

Technical Field

[0001] This invention belongs to the field of automated assembly technology, and in particular relates to a floating measuring mechanism. Background Technology

[0002] An oil seal is a mechanical component used to seal rotating shafts in mechanical equipment. Its main function is to prevent lubricating oil leakage and the ingress of external impurities. It typically consists of a double-lip structure with a self-tightening spring and fully encapsulated in rubber; the most common type is the TC skeleton oil seal. Oil seals are widely used in various mechanical equipment, such as gearboxes and engines, playing a crucial sealing role. If an oil seal is installed too shallowly or too deeply, it will not form an effective seal, leading to oil leakage. Therefore, after installation, the height between the oil seal's insertion surface and the measuring plane needs to be measured to determine if the installation depth is up to standard. However, since the measuring planes are not horizontal, errors can easily occur during measurement. This paper proposes a floating measuring mechanism to avoid measurement errors caused by a non-horizontal measuring plane. Summary of the Invention

[0003] To address the shortcomings of existing technologies, this invention provides a floating measuring mechanism that solves the aforementioned problems.

[0004] To achieve the above objectives, the present invention provides the following technical solution: a floating measuring mechanism, comprising a reference plane measuring head, an oil seal measuring head disposed between the reference plane measuring heads, the lower end face of the reference plane measuring head abutting against the measuring plane, the lower end face of the oil seal measuring head abutting against the insertion surface of the oil seal, and the lower end faces of the reference plane measuring head and the oil seal measuring head floating relative to each other via an adjusting component; The adjustment assembly includes a convex spherical joint and a concave spherical joint, the convex spherical joint and the concave spherical joint being coaxially arranged, and the outer wall of the convex spherical joint being attached to the inner wall of the concave spherical joint.

[0005] A further technical solution: The adjustment assembly further includes a steel ball, the lower side of which is snapped onto the axis of the oil seal probe, and the upper side of which is snapped onto the axis of the lower end of the oil seal probe connecting rod, the oil seal probe connecting rod being vertically slidably disposed within the housing.

[0006] A further technical solution: the convex spherical joint and the concave spherical joint can float circumferentially with their axis as the fulcrum, the convex spherical joint is fixedly connected, and the concave spherical joint is fixedly connected inside the shell.

[0007] A further technical solution: A measuring head push rod is coaxially provided at the upper end of the oil seal probe connecting rod, and the upper end of the oil seal probe connecting rod is in contact with the lower end of the measuring head push rod. The measuring head push rod is vertically slidably disposed in the housing, and a spring is provided at the upper end of the measuring head push rod. The upper end of the measuring head push rod is fixedly connected to the lower end of the spring, and the upper end of the spring is fixedly connected in the housing.

[0008] A further technical solution: The housing is provided with a measuring component for measuring the oil seal pressing depth. The measuring component includes a measuring sensor. Multiple measuring sensors are symmetrically fixedly connected to the outer wall of the housing, and the lower ends of the multiple measuring sensors overlap with their corresponding oil seal probes.

[0009] Beneficial effects This invention provides a floating measuring mechanism, which has the following advantages compared with the prior art: 1. Because a steel ball is engaged between the oil seal probe and the oil seal probe connecting rod, the oil seal probe can float circumferentially with its axis as the fulcrum. Furthermore, because the convex and concave spherical joints can also float circumferentially with their axes as the fulcrum, the reference plane measuring head can also float circumferentially with its axis as the fulcrum. In this case, both the reference plane measuring head and the oil seal probe can float at multiple angles. When the lower end of the oil seal probe is inserted into the oil seal connector surface, and the lower end of the reference plane measuring head overlaps the measuring plane of the housing, even if neither the measuring plane nor the oil seal connector surface is horizontal, the lower ends of the reference plane measuring head and the oil seal probe can still be adapted to it. That is, the reference plane measuring head is parallel to the measuring reference plane, and the oil seal probe is parallel to the oil seal, thus eliminating measurement errors caused by non-planar conditions.

[0010] 2. Before measurement, the user should prepare a level calibration piece according to relevant requirements, and place the lower end face of the reference surface measuring head against the measuring plane of the calibration piece, and the lower end face of the oil seal probe against the insertion surface of the oil seal in the calibration piece. The reading displayed by the measuring sensor at this time is the oil seal installation depth. Record the reading displayed by the measuring sensor. For example, if the reading displayed by the measuring sensor is 4, the user can then place the lower end face of the reference surface measuring head against the measuring plane, and the lower end face of the oil seal probe against the insertion surface of the oil seal. If the reading displayed by the measuring sensor is equal to 4, it means that the relative height between the lower end face of the oil seal probe and the lower end face of the reference surface measuring head is equal to the distance between the measuring plane of the calibration piece and the insertion surface of the oil seal, indicating that the oil seal is installed in place. If the reading displayed by the measuring sensor is not equal to 4, it means that it is not installed in place, and it needs to be removed and reinstalled. Attached Figure Description

[0011] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0012] Figure 2 This is a schematic cross-sectional view of the present invention.

[0013] Figure 3 This is a schematic diagram of another cross-sectional structure of the present invention.

[0014] Figure label annotations: 1. Reference plane measuring head; 2. Oil seal measuring head; 3. Steel ball; 4. Oil seal measuring head connecting rod; 5. Convex spherical joint; 6. Measuring sensor; 7. Measuring head push rod; 8. Spring; 9. Housing; 11. Detailed Implementation

[0015] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0016] The specific implementation of the present invention will be described in detail below with reference to specific embodiments.

[0017] Please see Figures 1-2 According to one embodiment of the present invention, a floating measuring mechanism includes a reference surface measuring head 1, an oil seal measuring head 2 disposed between the reference surface measuring heads 1, the lower end face of the reference surface measuring head 1 abutting on the measuring plane, and the lower end face of the oil seal measuring head 2 abutting on the insertion surface of the oil seal. The lower end faces of the reference surface measuring head 1 and the oil seal measuring head 2 float relative to each other through an adjusting component. The adjustment assembly includes a convex spherical joint 5 and a concave spherical joint 6, wherein the convex spherical joint 5 and the concave spherical joint 6 are coaxially arranged, and the outer wall of the convex spherical joint 5 is attached to the inner wall of the concave spherical joint 6.

[0018] Specifically, the adjustment assembly also includes a steel ball 3, the lower side of which is snapped onto the axis of the oil seal probe 2, and the upper side of which is snapped onto the axis of the lower end of the oil seal probe connecting rod 4. The oil seal probe connecting rod 4 is vertically slidably disposed within the housing 11.

[0019] Specifically, the convex spherical joint 5 and the concave spherical joint 6 can float circumferentially with their axis as the fulcrum. The convex spherical joint 5 is fixedly connected to the reference surface measuring head 1, and the concave spherical joint 6 is fixedly connected inside the housing 11.

[0020] In this embodiment, since a steel ball 3 is engaged between the oil seal probe 2 and the oil seal probe connecting rod 4, the oil seal probe 2 can float circumferentially with its axis as the fulcrum via the steel ball 3. Furthermore, since the convex spherical joint 5 and the concave spherical joint 6 can float circumferentially with their axes as the fulcrum, the reference plane measuring head 1 can also float circumferentially with its axis as the fulcrum. Thus, both the reference plane measuring head 1 and the oil seal probe 2 can float at multiple angles. In this case, when the lower end of the oil seal probe 2 is inserted into the oil seal connector surface, and the lower end of the reference plane measuring head 1 overlaps on the measuring plane of the housing, since neither the measuring plane nor the oil seal connector surface is horizontal, the lower ends of the reference plane measuring head 1 and the oil seal probe 2 can also be adapted to it. That is, the reference plane measuring head 1 is parallel to the measuring reference plane, and the oil seal probe 2 is parallel to the oil seal connector surface. Since the measuring reference plane and the oil seal connector surface are parallel to each other, the measurement error caused by the non-planar state is eliminated.

[0021] Specifically, a measuring head push rod 8 is coaxially provided at the upper end of the oil seal probe connecting rod 4, and the upper end of the oil seal probe connecting rod 4 is in contact with the lower end of the measuring head push rod 8. The measuring head push rod 8 is vertically slidably disposed in the housing 11, and a spring 9 is provided at the upper end of the measuring head push rod 8. The upper end of the measuring head push rod 8 is fixedly connected to the lower end of the spring 9, and the upper end of the spring 9 is fixedly connected in the housing 11.

[0022] In some examples, when it is not necessary to change the oil seal probe connecting rod 4, those skilled in the art can integrate the measuring head push rod 8 with the oil seal probe connecting rod 4.

[0023] In the above embodiment, since the upper end of the measuring head push rod 8 is provided with a spring 9, after the lower end of the oil seal probe 2 contacts the oil seal insertion surface, the spring 9 can load the oil seal probe 2, thereby ensuring that it can be flat with the oil seal, that is, ensuring that the oil seal probe 2 is parallel to the oil seal.

[0024] Specifically, the housing 11 is provided with a measuring assembly for measuring the pressing depth of the oil seal. The measuring assembly includes a measuring sensor 7, and multiple measuring sensors 7 are symmetrically fixedly connected to the outer wall of the housing 11. The measuring ends of the lower ends of the multiple measuring sensors 7 overlap with their corresponding oil seal probes 2. Since the measuring head push rod 8 can slide up and down within the housing 11, that is, the oil seal probes 2 can slide up and down under the drive of the measuring head push rod 8, and since the measuring ends of the lower ends of the measuring sensors 7 overlap with their corresponding oil seal probes 2, when the oil seal probes 2 move upward, the force applied to the measuring sensors 7 increases, thereby causing the measuring ends of the lower ends of the measuring sensors 7 to undergo displacement changes according to the force they receive, and thus causing the measuring sensors 7 to display different readings.

[0025] In the above embodiment, before measurement, the user should prepare a horizontal calibration piece according to relevant requirements, and place the lower end face of the reference surface measuring head 1 against the measuring plane of the calibration piece, and the lower end face of the oil seal probe 2 against the insertion surface of the oil seal of the calibration piece. At this time, the reading displayed by the measuring sensor 7 is the oil seal installation depth. Record the reading displayed by the measuring sensor 7. For example, if the reading displayed by the measuring sensor 7 is 4, the user can then place the lower end face of the reference surface measuring head 1 against the measuring plane, and the lower end face of the oil seal probe 2 against the insertion surface of the oil seal. If the reading displayed by the measuring sensor 7 is equal to 4, it means that the relative height between the lower end face of the oil seal probe 2 and the lower end face of the reference surface measuring head 1 is equal to the distance between the measuring plane of the calibration piece and the insertion surface of the oil seal, indicating that the oil seal is installed in place. If the reading displayed by the measuring sensor 7 is not equal to 4, it means that it is not installed in place, and it needs to be removed and reinstalled.

[0026] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0027] The term "fixed connection" as used in this application refers to a connection in which parts or components are fixed without any relative movement. This includes both detachable and non-detachable connections.

[0028] (1) Detachable connection: Components are fixed together using screws, splines, wedges, etc. This type of connection allows for disassembly during maintenance without damaging the parts. However, the specifications of the connectors used must be correct. (Such as the length of bolts, keys, and wedges), and tighten them properly.

[0029] (2) Non-removable connections: These mainly refer to welding, riveting, and tenon joints. Since disassembly requires forging, sawing, or oxy-acetylene cutting for repair or replacement, these parts generally cannot be reused. Furthermore, during connection, [the following should be noted]: Pay attention to process quality, technical testing, and remedial measures (such as correction, polishing, etc.).

[0030] The sliding connection referred to in this application means that the component can slide along a linear trajectory, and the hinge referred to in this application means that the component can rotate along an axial constraint.

[0031] In some cases, the sliding connection and hinge referred to in this application may also be damped, enabling the component to maintain in the desired position.

[0032] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A floating measuring mechanism, characterized in that, Includes a reference plane measuring head (1), with an oil seal measuring head (2) disposed between the reference plane measuring heads (1). The lower end face of the reference plane measuring head (1) abuts against the measuring plane, and the lower end face of the oil seal measuring head (2) abuts against the insertion surface of the oil seal. The lower end faces of the reference plane measuring head (1) and the oil seal measuring head (2) float relative to each other through an adjustment component. The adjustment assembly includes a convex spherical joint (5) and a concave spherical joint (6), the convex spherical joint (5) and the concave spherical joint (6) are coaxially arranged, and the outer wall of the convex spherical joint (5) is attached to the inner wall of the concave spherical joint (6).

2. The floating measuring mechanism according to claim 1, characterized in that, The adjustment assembly includes a steel ball (3), the lower side of which is snapped onto the axis of the oil seal probe (2), and the upper side of which is snapped onto the axis of the lower end of the oil seal probe connecting rod (4). The oil seal probe connecting rod (4) is vertically slidably disposed inside the housing (11).

3. The floating measuring mechanism according to claim 1, characterized in that, Furthermore, the convex spherical joint (5) and the concave spherical joint (6) can float circumferentially with their axis as the fulcrum. The convex spherical joint (5) is fixedly connected to the reference surface measuring head (1), and the concave spherical joint (6) is fixedly connected inside the housing (11).

4. The floating measuring mechanism according to claim 1, characterized in that, The reference plane measuring head (1) is parallel to the measuring reference plane, and the oil seal measuring head (2) is parallel to the oil seal.

5. The floating measuring mechanism according to claim 2, characterized in that, The upper end of the oil seal probe connecting rod (4) is coaxially provided with a measuring head push rod (8), and the upper end of the oil seal probe connecting rod (4) is in contact with the lower end of the measuring head push rod (8). The measuring head push rod (8) is vertically slidably disposed in the housing (11), and the upper end of the measuring head push rod (8) is provided with a spring (9), and the upper end of the measuring head push rod (8) is fixedly connected to the lower end of the spring (9). The upper end of the spring (9) is fixedly connected in the housing (11).

6. The floating measuring mechanism according to claim 5, characterized in that, The spring (9) loads the oil seal probe (2) to ensure that it can be flush with the oil seal.

7. The floating measuring mechanism according to claim 5, characterized in that, The housing (11) is provided with a measuring component for measuring the oil seal pressing depth. The measuring component includes a measuring sensor (7). Multiple measuring sensors (7) are symmetrically fixedly connected to the outer wall of the housing (11), and the lower ends of the multiple measuring sensors (7) overlap the corresponding oil seal probe (2).

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