Motor shaft oil groove testing fixture

Abstract

The utility model provides a motor shaft oil groove testing fixture, relates to the technical field of testing fixture equipment, and solves the technical problems that an existing oil groove testing fixture is inconvenient to use when being used for an oil groove of a motor shaft and is easy to inaccurately measure depth. The device comprises a fitting part for detecting the depth, width and length of an oil groove, and a baffle plate and a connecting column which are used for judging whether the fitting part is fitted with the bottom of the oil groove or not, the connecting column penetrates through the baffle to be connected with the attaching part, and the baffle is connected with the connecting column in a sliding mode. According to the utility model, the stability of attaching the attaching part to the bottom of the oil groove is improved, and the accuracy and rapidness of measurement are ensured; and the baffle plate can be used for fixing and supporting when the connecting column is further pushed in while determining whether the fitting part can be completely pushed in.

Description

TECHNICAL FIELD

[0001] The utility model relates to a testing fixture equipment technical field, specifically, relate to a motor shaft oil groove testing fixture. BACKGROUND

[0002] The motor shaft oil groove scribing technology is an important link in the motor manufacturing field, which involves the lubrication and cooling system design of the motor shaft. The design and scribing accuracy of the oil groove directly affect the operating efficiency and service life of the motor. Oil groove scribing is mainly to create accurate oil paths on the motor shaft to ensure that the lubricating oil can be smoothly delivered to the bearings and other parts that need lubrication. This helps to reduce friction and wear, improve the efficiency and reliability of the motor. Currently, the processing enterprises generally use the measuring method of caliper measurement and conversion to obtain the specific oil groove length and depth to determine whether it is qualified for the detection of the axial position and oil groove length of the input shaft oil groove. However, the above detection method has low measuring efficiency and is not conducive to production.

[0003] Therefore, the utility model provides a kind of oil groove rapid detection testing fixture, the testing fixture is provided with detection part and handle, the size of the detection part is adapted to the standard size of oil groove, and the detection part and oil groove form movable connection, when the size of oil groove is qualified, the detection part is attached with the inner wall of oil groove, and the handle drives detection part to move along the length direction of oil groove under the action of external force. The utility model provides a kind of oil groove rapid detection testing fixture, simple structure, high detection efficiency.

[0004] But the testing fixture is measured by sliding in the oil groove, and the length of the oil groove still needs to be measured manually, and it is mainly for the oil groove with inverted trapezoidal cross section, and for the motor shaft oil groove of the present application, the cross section is square, and the detection part is not fixed during sliding, so the depth measurement of the oil groove is not accurate. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of motor shaft oil groove testing fixture to solve the technical problems that the existing oil groove testing fixture is inconvenient to use for the oil groove of motor shaft and is prone to inaccurate depth measurement.

[0006] The embodiment of the utility model realizes by the following technical scheme:

[0007] A kind of motor shaft oil groove testing fixture, including to detect oil groove depth, width and length the attachment and to judge whether the attachment is attached the baffle of oil groove bottom and connecting column;The connecting column passes through the baffle and connects the attachment, and the baffle is slidably connected with the connecting column.

[0008] Preferably, the connecting column is provided with a connecting block for connecting the baffle, and the connecting block is provided with an elastic member for limiting the baffle, one end of the elastic member being connected to the baffle and the other end being connected to the connecting column.

[0009] Preferably, the connecting column is provided with a connecting block for connecting the baffle, and the connecting block is provided with an elastic member for limiting the baffle, one end of the elastic member being connected to the baffle and the other end being connected to the connecting column.

[0010] Preferably, the connecting column is provided with a connecting block for connecting the baffle, and the connecting block is provided with an elastic member for limiting the baffle, one end of the elastic member being connected to the baffle and the other end being connected to the connecting column.

[0011] Preferably, the connecting column is provided with a connecting block for connecting the baffle, and the connecting block is provided with an elastic member for limiting the baffle, one end of the elastic member being connected to the baffle and the other end being connected to the connecting column.

[0012] Preferably, the connecting column is provided with a connecting block for connecting the baffle, and the connecting block is provided with an elastic member for limiting the baffle, one end of the elastic member being connected to the baffle and the other end being connected to the connecting column.

[0013] Preferably, the connecting column is provided with a connecting block for connecting the baffle, and the connecting block is provided with an elastic member for limiting the baffle, one end of the elastic member being connected to the baffle and the other end being connected to the connecting column.

[0014] By adopting the technical scheme, when the gauge is used, the fitting part is aligned with the oil groove, and the fitting part is pushed into the oil groove, so that the fitting part can be pushed into the oil groove and closely fit the oil groove, that is, the length and width of the oil groove are qualified, if the fitting part cannot be pushed into the oil groove or the gap between the fitting part and the oil groove is large, then the length and width of the oil groove are not qualified, and if the length and width are too large or too small;

[0015] After being pushed in, the baffle is limited by the connecting block and closely fits the fitting part; if the baffle cannot touch the surface of the motor shaft or the fitting part cannot be completely pushed in, then the depth of the oil groove is not enough or the bottom of the oil groove has concave-convex; after the baffle closely fits the motor shaft, the baffle is limited by the motor shaft and cannot be moved, the elastic member is contracted, the connecting column passes through the baffle and pushes the fitting part, and if the connecting column can still be pushed at this time, then the depth of the oil groove is too large.

[0016] The shape and size of the fitting part are adapted to the oil groove of the motor shaft, so that the accuracy of measurement is ensured. The sliding connection of the baffle and the connecting column and the use of the elastic member improve the stability of the fitting part closely fitting the bottom of the oil groove. The design that the width of the baffle is larger than the width of the oil groove helps to quickly determine whether the fitting part is correctly positioned on the bottom of the oil groove. The limiting effect of the elastic member makes the baffle easy to operate and convenient to use. The two groups of connecting columns arranged along the length direction of the fitting part make the structure of the gauge compact, and the gauge is convenient to carry and store.

[0017] The technical scheme of the embodiment of the utility model has at least the following advantages and beneficial effects:

[0018] 1. The utility model improves the stability of the fitting part closely fitting the bottom of the oil groove, and ensures the accuracy and speed of measurement.

[0019] 2. The baffle of the utility model can not only determine whether the fitting part can be completely pushed in, but also can play a fixed supporting role when the connecting column is further pushed in. Attached Figure Description

[0020] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a side view of a motor shaft oil groove inspection fixture provided in Embodiment 1 of the present invention;

[0022] Figure 2 This is a front structural diagram of a motor shaft oil groove inspection fixture provided in Embodiment 1 of the present invention;

[0023] Figure 3 This is a schematic diagram illustrating the usage method of a motor shaft oil groove inspection tool provided in Embodiment 1 of the present invention;

[0024] Figure 4 This is a partially enlarged structural diagram of a motor shaft oil groove inspection fixture provided in Embodiment 2 of the present invention;

[0025] Icons: 1. Fitting part; 2. Baffle; 3. Connecting block; 31. Connecting column; 32. Elastic element; 4. Connecting frame; 5. Motor shaft; 6. Oil tank. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0027] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0028] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0029] In the description of the utility model, it needs to explain, if appearing the orientation or position relation of the term "center", "upper", "lower", "left", "right", "vertical", "horizontal", "internal", "external" and the like is based on the orientation or position relation shown in the drawing, or is the orientation or position relation of the product of the application in usual placement, is only for the convenience of describing the utility model and simplifying the description, and is not indicating or implying that the indicated device or element must have a particular orientation, is constructed and operated in a particular orientation, therefore can not be understood as the limitation of the utility model.

[0030] In the description of the utility model, it also needs to explain that, unless there is explicit provision and limitation, if the terms "set", "install", "connect", "connect" appear, it should be understood in a broad sense, for example, it can be fixedly connected, can be detachably connected, or integrally connected, can be mechanically connected, can be electrically connected, can be directly connected, can be indirectly connected through an intermediate medium, and can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0031] Embodiment 1

[0032] A motor shaft oil groove gauge, comprising a fitting part 1 for detecting the depth, width and length of the oil groove 6 and a baffle 2 for judging whether the fitting part 1 fits the bottom of the oil groove 6 and a connecting column 31; the connecting column 31 connects the fitting part 1 through the baffle 2, and the baffle 2 is slidably connected with the connecting column 31.

[0033] In this embodiment, a connecting frame 4 is further included for limiting the baffle 2 and the connecting column 31.

[0034] In this embodiment, the connecting column 31 is provided in several groups, and the connecting frame 4 is arranged between two groups of connecting columns 31.

[0035] In this embodiment, the fitting part 1 is adapted in shape and size to the shape and length and width of the oil groove 6 of the motor shaft 5, and the thickness thereof is equal to the depth of the oil groove 6.

[0036] In this embodiment, the width of the baffle 2 is greater than the width of the oil groove 6.

[0037] In this embodiment, two groups of connecting columns 31 are arranged along the length direction of the fitting part 1.

[0038] Working principle and use method:

[0039] In use, the gauge fitting part 1 is aligned with the oil groove 6, and the fitting part 1 is pushed into the oil groove 6, and can be pushed into and fit with the oil groove 6, that is, the length and width dimensions of the oil groove 6 are qualified, and the fitting part 1 cannot be pushed into or the gap between the fitting part 1 and the oil groove 6 is large, then the length and width dimensions of the oil groove 6 are unqualified, too large or too small;

[0040] After being pushed in, the baffle 2 is limited by the connecting block 3 and fits with the fitting part 1; the baffle 2 cannot touch the surface of the motor shaft 5 or the fitting part 1 cannot be completely pushed in, then the depth of the oil groove 6 is not enough or the bottom of the oil groove 6 has concave-convex; after the baffle 2 fits with the motor shaft 5, the connecting column 31 is continuously pushed, the baffle 2 is limited by the motor shaft 5 and cannot move, the elastic member 32 is contracted, and the connecting column 31 pushes the fitting part 1 through the baffle 2, if the connecting column 31 can still be pushed at this time, then the depth of the oil groove 6 is too large.

[0041] Embodiment 2

[0042] In this embodiment, the connecting column 31 is provided with the connecting block 3 for connecting the baffle 2, the connecting block 3 is provided with the elastic member 32 for limiting the baffle 2, one end of the elastic member 32 is connected with the baffle 2, and the other end is connected with the connecting column 31.

[0043] The above is only the preferred embodiment of the present application, and is not used to limit the present application, and for those skilled in the art, the present application can have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An electrical machine shaft oil groove gauge, characterized by: The application relates to a connecting column (31) and a connecting frame (4) for detecting the depth, width and length of an oil groove (6), and a baffle (2) for judging whether the connecting column (31) and the connecting frame (4) are attached to the bottom of the oil groove (6).

2. A shaft oil groove gauge according to claim 1, wherein: The connecting column (31) is provided with a connecting block (3) for connecting the baffle (2), and the connecting block (3) is provided with an elastic piece (32) for limiting the baffle (2), one end of the elastic piece (32) being connected to the baffle (2) and the other end being connected to the connecting column (31).

3. A shaft oil groove gauge as claimed in claim 2, wherein: The application further relates to a connecting frame (4) for limiting the baffle (2) and the connecting column (31).

4. A shaft oil groove gauge as claimed in claim 3, wherein: The connecting column (31) is provided with a plurality of groups, and the connecting frame (4) is arranged between two groups of the connecting columns (31).

5. A shaft oil groove gauge according to any one of claims 1 to 4, wherein: The connecting column (31) is provided with a plurality of groups, and the connecting frame (4) is arranged between two groups of the connecting columns (31).

6. A shaft oil groove gauge according to any one of claims 1 to 4, wherein: The connecting column (31) is provided with a plurality of groups, and the connecting frame (4) is arranged between two groups of the connecting columns (31).

7. A shaft oil groove gauge according to any one of claims 1 to 4, wherein: The connecting column (31) is provided with a plurality of groups, and the connecting frame (4) is arranged between two groups of the connecting columns (31).

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