CN216523701U - Large-scale conical bearing holder external diameter check out test set - Google Patents

Abstract

The utility model discloses an outer diameter detection device for a large conical bearing retainer, which comprises a rack, at least one group of positioning components and a plurality of positioning units, wherein the rack is provided with a detection platform; the moving assemblies are arranged in one-to-one correspondence with the guide rails and can move along the guide rails; the moving assembly comprises a bearing piece and a positioning piece, the bearing piece is arranged on the inner side of the positioning piece, the bearing piece supports the bearing retainer, the positioning piece is obliquely arranged, and the positioning piece clamps the bearing retainer; and a detecting device for detecting the moving amount of the positioning member. Through a plurality of supporting piece bearing holders, make the holder place on testing platform steadily, the appearance looks adaptation of setting element and conical shape holder to the surface of laminating holder that can be better makes the position of holder fixed. The detection device detects the movement amount of the positioning piece on the guide rail, so that the outer diameter of the retainer is obtained.

Description

Large-scale conical bearing holder external diameter check out test set

Technical Field

The utility model belongs to the technical field of bearing detection, and particularly relates to an outer diameter detection device for a large conical bearing retainer.

Background

The bearing is an important part in mechanical equipment. During assembly and use of the bearing, precise fit of the rollers and the cage needs to be ensured, so that strict precision requirements are imposed on the size of the cage. In large equipment, large bearings are usually used, and the outer diameter of the bearings is often over 100mm, which causes that the size measurement of the retainer is extremely inconvenient and the measurement accuracy is low.

In the prior art, the outer diameter of the retainer is generally detected by using a three-coordinate measuring machine, but when the three-coordinate measuring machine is used, a plurality of positioning points need to be set on the surface of the retainer, and the position accuracy set by the positioning points directly influences the accuracy of measurement. This results in a complex detection process, many steps, and a large amount of labor force is required, and the precision of each detection cannot be guaranteed.

In addition, for the conical bearing retainer, the outer surface of the conical bearing retainer is an inclined surface, so that the difficulty of positioning and detection is further increased, and the size data obtained by detection is inaccurate.

SUMMERY OF THE UTILITY MODEL

The utility model provides an outer diameter detection device for a large conical bearing retainer, which aims to solve the problems of complex size detection process and low detection precision of the large conical bearing retainer.

The technical scheme adopted by the utility model is as follows:

the outer diameter detection equipment for the large conical bearing retainer comprises a rack, wherein the rack is provided with a detection platform and at least one group of positioning assemblies, and each group of positioning assemblies comprises two guide rails which are oppositely arranged along the radial direction of the detection platform and extend along the radial direction of the detection platform; the moving assemblies are arranged in one-to-one correspondence to the guide rails and can move along the guide rails; the moving assembly comprises a bearing piece and a positioning piece, the bearing piece is arranged on the inner side of the positioning piece along the radial direction of the detection platform, the bearing piece supports the bearing retainer, the positioning piece is obliquely arranged to be matched with the outer wall of the bearing retainer, and the positioning piece clamps the bearing retainer; and the detection device is used for detecting the movement amount of the positioning piece.

The two guide rails in the same group are intersected in the central area of the detection platform; or the two guide rails in the same group are of a split structure, and a gap is formed between the two guide rails in the central area of the detection platform.

The outer diameter detection equipment for the large conical bearing retainer further comprises a standard rod, and the standard rod can be placed in the bearing piece in a picking and placing mode.

One of the bearing piece and the standard rod is provided with a positioning groove, the other one of the bearing piece and the standard rod is provided with a positioning bulge matched with the positioning groove, the positioning groove extends along the moving direction of the bearing piece, the standard rod is arranged in the state of the bearing piece, and the positioning bulge is positioned in the positioning groove.

The movable assembly further comprises a base matched with the guide rail, the base is provided with a hinged seat, and the positioning piece is rotatably connected with the hinged seat so that the inclination angle of the positioning piece can be adjusted.

The upper end face of the supporting piece is not lower than the upper end face of the hinged seat.

The base is provided with a locking part, and the locking part can lock the base and the guide rail to limit the movement of the base.

The positioning piece and the bearing piece are of an integrally formed structure, and the positioning piece and the bearing piece move synchronously; or the positioning piece and the supporting piece are of split structures, and the supporting piece and the positioning piece can respectively and independently move along the guide rail.

The large-scale conical bearing retainer outer diameter detection equipment comprises two groups of positioning assemblies, and the guide rails of the two groups of positioning assemblies are perpendicular to each other.

The large-scale conical bearing retainer outer diameter detection equipment further comprises a display device, wherein the display device is electrically connected with the detection device and is used for displaying numerical values measured by the detection device.

Due to the adoption of the technical scheme, the utility model has the beneficial effects that:

1. according to the detection equipment, the retainer is stably placed on the detection platform by supporting the retainer through the plurality of supporting pieces, and the positioning piece is obliquely arranged to be matched with the conical retainer in shape so as to be better attached to the surface of the retainer, so that the retainer is clamped and positioned, and the position of the retainer is fixed. The detection device detects the movement amount of the positioning piece on the guide rail, so that the outer diameter of the retainer is obtained.

For example, the position where the positioning members in the same group contact is recorded as a first position, the detecting device records the coordinates of the two positioning members in the same group as a first coordinate value, the position where the positioning members are clamped on the opposite sides of the retainer is recorded as a second position, the detecting device records the coordinates of the two positioning members in the same group as a second coordinate value again as a second coordinate value, and the difference between the first coordinate value and the second coordinate value is calculated to obtain the outer diameter of the retainer. The positioning and size detection of the retainer are synchronously completed, the detection steps are simplified, the detection time is shortened, the detection efficiency is greatly improved, the moving distance of the positioning piece is utilized to reflect the outer diameter size of the retainer, and the detection precision is improved.

2. As a preferred embodiment of the present invention, the outer diameter detection device for a large conical bearing holder further comprises a standard rod, and the standard rod is placed on the support member in a manner of being taken and placed. After the retainer is placed on the detection platform and the position of the positioning piece is recorded, the retainer is taken down, the standard rod is placed on the bearing piece, the positioning piece is moved to be abutted against two ends of the standard rod at the moment, and the outer diameter of the retainer is the sum of the moving amount of the positioning piece and the length of the standard rod. Utilize the gauge rod auxiliary measurement, the gauge rod has the length of standard size, has further guaranteed the precision of detection, has reduced because setting element displacement is great leads to the error that the positioning deviation produced.

3. As a preferred embodiment of the present invention, the moving assembly further includes a base matched with the guide rail, the base is provided with a hinged seat, and the positioning element is rotatably connected to the hinged seat, so that an inclination angle of the positioning element is adjustable. The inclination angle of setting element is adjustable, makes its holder that can the different appearances of adaptation, improves check out test set's suitability. In addition, when the upper end of setting element inclines to the outside, the tip of circular cone holder placed downwards this moment on the supporting piece, can be used to detect the external diameter of circular cone holder tip this moment, when rotating the setting element makes its upper end when inclining to the inside, can prevent the tip of holder downwards, can detect the external diameter of circular cone holder tip this moment, so that check out test set can satisfy different detection demands, only needs the adjustment the inclination of setting element, and need not to change equipment, improves detection efficiency.

4. As a preferred embodiment of the present invention, the positioning member and the supporting member are of a split structure, and the supporting member and the positioning member are capable of moving along the guide rail independently of each other. The positioning piece and the bearing piece can respectively move along the guide rail, the requirement on the initial position of the bearing piece is low when the retainer is placed, and the retainer can be placed on the bearing piece as long as the distance between the two bearing pieces in the same group is smaller than the outer diameter of the retainer. For example, when detecting, the retainer is placed on the supporting member, and then the positioning member is moved to clamp the outer surface of the retainer.

5. As a preferred embodiment of the present invention, the outer diameter detection device for a large conical bearing holder includes two sets of the positioning assemblies, and the guide rails of the two sets of the positioning assemblies are perpendicular to each other. Through two sets of mutually perpendicular locating component to the mode of four-point location carries out the bearing location to the holder, makes placing of holder more stable, avoids it to rock the influence and detects, can also detect two mutually perpendicular diameters of holder simultaneously in addition, not only can improve the accuracy that detects, can also detect the circularity of holder simultaneously, carries out omnidirectional measurement to the overall dimension of holder, when improving detection efficiency, has still improved the yields.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model. In the drawings:

fig. 1 is a schematic structural diagram of an outer diameter detection device for a large-sized conical bearing retainer according to an embodiment of the present invention, wherein the bearing retainer is disposed on a detection platform;

FIG. 2 is a schematic structural diagram of the testing platform of FIG. 1;

FIG. 3 is an enlarged view of area A of FIG. 2;

fig. 4 is a schematic structural diagram of a moving assembly according to an embodiment of the present invention.

Wherein:

1, a frame; 11, detecting a platform; 12, mounting a frame;

2, a guide rail;

3 moving the component; 31 a support member; 311 a positioning groove; 32 a positioning member; 33 a base; 331 a hinged seat; 332 a lock section;

4, standard rods; 41 locating the projection.

Detailed Description

In order to more clearly explain the overall concept of the present invention, the following detailed description is given by way of example in conjunction with the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

In addition, in the description of the present invention, it is to be understood that the terms "top," "bottom," "inner," "outer," "radial," and the like are used in the orientations and positional relationships indicated in the drawings, which are used for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. In the description herein, references to the terms "implementation," "embodiment," "one embodiment," "example" or "specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

As shown in fig. 1 to 4, the large-scale conical bearing retainer outer diameter detection device comprises a frame 1, wherein the frame 1 is provided with a detection platform 11, and at least one group of positioning assemblies, each group of positioning assemblies comprises two guide rails 2 which are oppositely arranged along the radial direction of the detection platform 11 and extend along the radial direction of the detection platform 11; the moving assemblies 3 are arranged in one-to-one correspondence with the guide rails 2 and can move along the guide rails 2; the moving assembly 3 comprises a bearing piece 31 and a positioning piece 32, the bearing piece 31 is arranged on the inner side of the positioning piece 32 along the radial direction of the detection platform 11, the bearing holder 31 is used for bearing the bearing holder, the positioning piece 32 is obliquely arranged to be matched with the outer wall of the bearing holder, and the positioning piece 32 is used for clamping the bearing holder; and a detecting device for detecting the amount of movement of the positioning member 32.

According to the detection device, the retainer is stably placed on the detection platform 11 by supporting the retainer through the plurality of supporting pieces 31, and the positioning piece 32 is obliquely arranged to be matched with the conical shape of the retainer so as to be better attached to the surface of the retainer, clamp and position the retainer and fix the position of the retainer. The detection device detects the movement amount of the positioning element 32 on the guide rail 2, so as to obtain the outer diameter of the retainer.

Preferably, the two positioning members 32 in the same group can move on the guide rail 2 independently, so that when the retainer is placed, the retainer does not need to be placed in the central area of the detection platform 11, and the outer diameter of the retainer can be obtained by detecting and adding the respective moving amounts of the two positioning members 32 in the same group.

In particular, the locating member 32 also has an alignment portion which, in use, aligns with the window and/or the window beam of the cage. The side wall of the retainer is generally provided with a plurality of windows for containing the rollers, a window beam is arranged between every two adjacent windows, and the number of the windows is generally divided into odd number or even number due to different types of the retainer. When the retainer with the odd number of windows is detected, in the two positioning pieces 32 in the same group, the aligning part of one of the positioning pieces 32 aligns with the window on one side of the retainer, and the aligning part of the other positioning piece 32 aligns with the window beam on the other side of the retainer. When the holder with the even number of windows is detected, in the two positioning pieces 32 in the same group, the positioning part of one of the positioning pieces 32 is aligned with the window on one side of the holder, and the positioning part of the other positioning piece 32 is aligned with the window on the other side of the holder. So that the diameter of the retainer coincides with the guide rail, the accuracy of detection is guaranteed, and the phenomenon that the outer diameter is detected to generate larger deviation due to the eccentric placement of the retainer is avoided.

Preferably, the detection device is a grating ruler, so that the position detection of the positioning member 32 is more accurate, and the detection precision is improved. Of course, the detection device may also be other detection devices, or scales are provided on the guide rail 2, so that the detection personnel can directly read the position information of the positioning member 32, which is not specifically limited herein.

The detection equipment can synchronously complete the positioning and size detection of the retainer, simplifies the detection steps, shortens the detection time, greatly improves the detection efficiency, reflects the outer diameter size of the retainer by utilizing the moving distance of the positioning piece 32 and improves the detection precision.

The detection mode of the detection device is not particularly limited, and includes but is not limited to the modes listed in the following examples:

the first implementation mode comprises the following steps: in the present embodiment, the position where the positioning members 32 in the same group contact is taken as a first position, and at this time, the detection device records the coordinates of the two positioning members 32 in the same group as a first coordinate value (for convenience of calculation, the first coordinate value may be set to zero). At this time, the retainer is placed on the supporting piece 31, the positioning pieces 32 are moved to enable the two positioning pieces 32 in the same group to be attached to the outer side surfaces of the retainer, the positions of the positioning pieces 32 clamped on the two opposite sides of the retainer are recorded as second positions, the detection device records the coordinates of the two positioning pieces 32 in the same group again and records the coordinates as second coordinate values, and the difference between the first coordinate values and the second coordinate values is calculated through the detection device, so that the outer diameter size of the retainer is obtained.

The second embodiment: in the present embodiment, as shown in fig. 2, the outer diameter detection device for the large conical bearing holder further includes a standard rod 4, and the standard rod 4 is placed in the support member 31 in a manner of being accessible.

When detecting, firstly, the bearing retainer is placed on the bearing retainer 31, the positioning piece 32 in the same group is attached to the outer side surface of the retainer, and at the moment, the position of the positioning piece 32 is recorded as a first coordinate value by the detection device. Then, the retainer is taken down from the detection platform 11, the standard rod 4 is placed on the support 31, the positioning member 32 is moved to be abutted against two ends of the standard rod 4, at this time, the detection device records the position of the positioning member 32 as a second coordinate value, the difference between the first coordinate value and the second coordinate value is the movement amount of the positioning member 32, and the outer diameter of the retainer is the sum of the length of the standard rod 4 and the movement amount of the positioning member 32.

By utilizing the standard rod 4 for auxiliary measurement, the standard rod 4 has a length of a standard size, so that the detection precision is further ensured, and errors caused by positioning deviation due to a large moving distance of the positioning piece 32 are reduced.

The length of the standard rod 4 is not specifically limited, and in a preferred embodiment, the detection device is equipped with a plurality of standard rods 4 (e.g., 100mm, 200mm, etc.) with different sizes, so that a detection person can conveniently select a proper standard rod 4 according to the size of the holder for auxiliary measurement, the movement amount of the positioning element 32 is reduced, and the detection accuracy is prevented from being greatly influenced by the movement amount of the positioning element 32.

Further, as shown in fig. 3, one of the support member 31 and the standard rod 4 is provided with a positioning groove 311, the other of the support member 31 and the standard rod 4 is provided with a positioning protrusion 51 matched with the positioning groove 311, the positioning groove 311 extends along the moving direction of the support member 31, and the positioning protrusion 51 is located in the positioning groove 311 when the standard rod 4 is placed in the support member 31.

Through the constant head tank 311 with the protruding 51 cooperation of location, it is right the placing of standard rod 4 plays the positioning action, ensures the length direction of standard rod 4 with the extending direction of guide rail 2 is the same to guarantee the precision of detecting, in addition can also avoid owing to guide rail 2 perhaps the vibrations lead to the problem of skew takes place for the position of standard rod 4.

In a specific embodiment, as shown in fig. 3, the lower side of the standard rod 4 is provided with a positioning protrusion 51, and the upper end surface of the support 31 is provided with a positioning slot 311. Of course, the positioning protrusion 51 may also be disposed on the supporting member 31, and correspondingly, the positioning slot 311 is disposed on the standard rod 4, which is not limited herein.

The arrangement mode of the guide rail 2 is not particularly limited, and the guide rail may be one of the following embodiments:

the first implementation mode comprises the following steps: in this embodiment, the two guide rails 2 of the same group meet in the central region of the inspection platform 11.

The same two guide rail 2 intersect for one on the guide rail 2 the setting element 32 with the supporting piece 31 can move to another on the guide rail 2, consequently increased the moving range of removal subassembly 3 requires to reduce to the place of holder, when placing the holder, need not to deliberately with the center of holder with the center of testing platform 11 aligns and places, has improved the convenience that detects.

Moreover, the two positioning pieces 32 in the same group can contact with each other, so that the position is conveniently recorded as a zero point, and the calculation of the detection result is convenient.

The second embodiment: in the present embodiment, as shown in fig. 2, the two guide rails 2 in the same group are of a split structure, and the two guide rails 2 have a gap in the central area of the detection platform 11.

The two guide rails 2 are separated from each other, so that the moving assembly 3 can only move on one guide rail 2, the moving track of the moving assembly is more controllable, and the detection is convenient.

At this time, the distance between the two guide rails 2 in the same group can be set as a standard distance, and the sum of the standard distance and the moving amount of the positioning member 32 is the outer diameter of the retainer.

As a preferred embodiment of the present invention, as shown in fig. 3, the moving assembly 3 further includes a base 33 engaged with the guide rail 2, the base 33 is provided with a hinge seat 331, and the positioning element 32 is rotatably connected to the hinge seat 331, so that an inclination angle of the positioning element 32 is adjustable.

The inclination angle of the positioning part 32 is adjustable, so that the positioning part can be adapted to holders with different shapes, and the applicability of the detection equipment is improved.

In addition, when the upper end of setting element 32 inclines to the outside, the tip of conical holder is placed downwards this moment on supporting 31, can be used to detect the external diameter of conical holder tip this moment, when rotating setting element 32 makes its upper end incline to the inside, can prevent the tip of holder downwards, can detect the external diameter of conical holder tip this moment, so that detection device can satisfy different detection demands, only need adjust the inclination of setting element 32, and need not to change equipment, improves detection efficiency.

Certainly, when setting element 32 is vertical, can also be used for detecting the external diameter of cylinder bearing retainer, has further improved check out test set's suitability satisfies a equipment and detects multiple different types of bearing retainer.

As a preferred example of this embodiment, as shown in fig. 4, the upper end surface of the supporting member 31 is not lower than the upper end surface of the hinge seat 331.

The retainer is raised by the supporting piece 31 to ensure that the positioning piece 32 is attached to the outer side wall of the retainer, so that the positioning effect is improved, the hinged seat 331 is prevented from influencing the clamping of the positioning piece 32, and the detection device is prevented from deviating the position of the positioning piece 32.

In a preferred embodiment, as shown in fig. 3, the base 33 is provided with a locking portion 332, and the locking portion 332 can lock the base 33 and the guide rail 2 to limit the movement of the base 33.

When the setting element 32 supports behind the both sides of holding frame, utilize locking part 332 will setting element 32 locks on guide rail 2 makes the position of setting element 332 is fixed, and is convenient detection device is right the positional information of setting element 32 detects, avoids setting element 32 removes at will under the promotion of holding frame, leads to detection device's detection produces the deviation.

Preferably, as shown in fig. 3, the locking portion 332 includes a bolt, and one end of the bolt abuts against the guide rail 2 by rotating the bolt, so that the positions of the base 33 and the positioning member 32 are fixed. Of course, the locking portion 332 may have another structure as long as the relative position between the base 33 and the guide rail 2 can be fixed, and is not particularly limited herein.

The assembly manner of the moving assembly 3 is not specifically limited, and may be one of the following embodiments:

the first implementation mode comprises the following steps: in the present embodiment, the positioning member 32 and the supporting member 31 are integrally formed, and the positioning member 32 and the supporting member 31 move synchronously.

The supporting piece 31 and the positioning piece 32 are integrally formed and move synchronously, so that the operation is convenient.

However, when the retainer is placed, the position of the supporting member 31 has a high requirement, and the supporting member 31 needs to be located at the edge of the retainer, so that after the retainer is placed on the supporting member 31, the positioning member 32 is located outside the retainer, so as to avoid the positioning member 32 from affecting the placement of the retainer. If the distance between two moving assemblies 3 in the same group is too close, the positioning member 32 is an upwardly extending structure, and may interfere with the holder, thereby affecting the placement of the holder.

The second embodiment: in the present embodiment, as shown in fig. 3 to 4, the positioning member 32 and the supporting member 31 are of a split structure, and the supporting member 31 and the positioning member 32 can move along the guide rail 2 independently of each other.

The positioning element 32 and the supporting elements 31 can move along the guide rail 2 respectively, the requirement on the initial position of the supporting elements 31 is low when the retainer is placed, and the retainer can be placed on the supporting elements 31 only by enabling the distance between the same group of two supporting elements 31 to be smaller than the outer diameter of the retainer. For example, in the detection, it is ensured that the distance between two said supporting members 31 of the same group is smaller than the outer diameter of the cage, and the distance between two said positioning members 32 can be much larger than the outer diameter of the cage. The method comprises the steps of firstly placing a retainer on the supporting piece 31, and then respectively moving the positioning pieces 32 towards the central direction of the detection platform 11 to clamp the outer surface of the retainer.

In a preferred embodiment, as shown in fig. 1-2, the large-sized conical bearing retainer outer diameter detection device comprises two sets of positioning assemblies, and the guide rails 2 of the two sets of positioning assemblies are perpendicular to each other.

Through two sets of mutually perpendicular locating component to the mode of four-point location carries out the bearing location to the holder, makes placing of holder more stable, avoids it to rock the influence and detects, can also detect two mutually perpendicular diameters of holder simultaneously in addition, not only can improve the accuracy that detects, can also detect the circularity of holder simultaneously, carries out omnidirectional measurement to the overall dimension of holder, when improving detection efficiency, has still improved the yields.

Of course, the positioning assemblies may be arranged in other numbers according to the needs, and are not specifically limited herein, for example, the positioning assemblies are four groups, and there are eight guide rails 2, and the guide rails 2 are distributed in a "m" shape, so as to measure multiple diameters of the holder at the same time.

Preferably, the large conical bearing retainer outer diameter detection device further comprises a display device, the display device is electrically connected with the detection device, and the display device is used for displaying the numerical value measured by the detection device.

The display device displays and records the data measured by the detection device, so that detection personnel can visually obtain the detection result of the detection device, the detection data are clearer, extra recording is not needed, the detection time is saved, and the detection efficiency is improved.

Preferably, the housing 1 is provided with a mounting frame 12 for mounting the display device, as shown in fig. 1, wherein the display device is not shown in fig. 1.

The method can be realized by adopting or referring to the prior art in places which are not described in the utility model.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments.

The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (10)

1. The utility model provides a large-scale conical bearing holder external diameter check out test set, includes the frame, the frame is provided with testing platform, its characterized in that still includes:

each group of positioning assemblies comprises two guide rails which are oppositely arranged along the radial direction of the detection platform and extend along the radial direction of the detection platform;

the moving assemblies are arranged in one-to-one correspondence to the guide rails and can move along the guide rails; the moving assembly comprises a bearing piece and a positioning piece, the bearing piece is arranged on the inner side of the positioning piece along the radial direction of the detection platform, the bearing piece supports the bearing retainer, the positioning piece is obliquely arranged to be matched with the outer wall of the bearing retainer, and the positioning piece clamps the bearing retainer; and

and the detection device is used for detecting the movement amount of the positioning piece.

2. Large-scale conical bearing cage outer diameter detection apparatus according to claim 1,

the two guide rails in the same group are intersected in the central area of the detection platform; or,

the two guide rails in the same group are of a split structure, and gaps are reserved in the central area of the detection platform.

3. The large-sized conical bearing holder outer diameter detection apparatus according to claim 1,

the outer diameter detection equipment for the large conical bearing retainer further comprises a standard rod, and the standard rod can be placed in the bearing piece in a picking and placing mode.

4. The large-sized conical bearing holder outer diameter detection apparatus according to claim 3,

one of the bearing piece and the standard rod is provided with a positioning groove, the other one of the bearing piece and the standard rod is provided with a positioning bulge matched with the positioning groove, the positioning groove extends along the moving direction of the bearing piece, the standard rod is arranged in the state of the bearing piece, and the positioning bulge is positioned in the positioning groove.

5. The large-sized conical bearing holder outer diameter detection apparatus according to claim 1,

the movable assembly further comprises a base matched with the guide rail, the base is provided with a hinged seat, and the positioning piece is rotatably connected with the hinged seat so that the inclination angle of the positioning piece can be adjusted.

6. The large-sized conical bearing holder outer diameter detection apparatus according to claim 5,

the upper end face of the supporting piece is not lower than the upper end face of the hinged seat.

7. The large-sized conical bearing holder outer diameter detection apparatus according to claim 5,

the base is provided with a locking part, and the locking part can lock the base and the guide rail to limit the movement of the base.

8. The large-sized conical bearing holder outer diameter detection apparatus according to claim 1,

the positioning piece and the bearing piece are of an integrally formed structure, and the positioning piece and the bearing piece move synchronously; or,

the positioning piece and the supporting piece are of split structures, and the supporting piece and the positioning piece can independently move along the guide rail.

9. Large-scale conical bearing cage outer diameter detection apparatus according to claim 1,

the large-scale conical bearing retainer outer diameter detection equipment comprises two groups of positioning assemblies, and the guide rails of the two groups of positioning assemblies are perpendicular to each other.

10. The large-sized conical bearing holder outer diameter detection apparatus according to any one of claims 1 to 9,

the large-scale conical bearing retainer outer diameter detection equipment further comprises a display device, wherein the display device is electrically connected with the detection device and is used for displaying numerical values measured by the detection device.

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