CN210108320U - Bearing axial clearance measuring device for shafting - Google Patents
Bearing axial clearance measuring device for shafting Download PDFInfo
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- CN210108320U CN210108320U CN201921261503.9U CN201921261503U CN210108320U CN 210108320 U CN210108320 U CN 210108320U CN 201921261503 U CN201921261503 U CN 201921261503U CN 210108320 U CN210108320 U CN 210108320U
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Abstract
The utility model relates to an automatic change assembly detection device technical field, concretely relates to bearing axial clearance measuring device for shafting, detect head, clearance remove device, drive arrangement including infrabasal plate, riser, measurement section of thick bamboo mount pad, measurement section of thick bamboo, displacement sensor, middle uide bushing, axle head. The utility model has the advantages that: the driving device drives the lower end face of the shaft end detection head to abut against the shaft end face of the bearing outer ring, the vertical moving stroke of the middle guide sleeve is detected through the displacement sensors, and the measured values of the displacement sensors are weighted and averaged, so that the accurate axial clearance detection precision is obtained.
Description
Technical Field
The utility model relates to an automatic change assembly detection device technical field, concretely relates to bearing axle clearance measuring device for shafting.
Background
In the field of automatic manufacturing and assembling, the bearing axis clearance detection of a shaft system is one of important process flows. With the continuous improvement of the automation level, the requirement for measuring the axial clearance of the bearing is higher and higher. Based on this, this design provides a bearing axial clearance measuring device for shafting, and the device framework is simple, and the measurement principle is effective and accurate, easily realizes and extensively popularizes and applies, can effectively improve the measurement accuracy that shafting bearing axial detected.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the problem that exists among the prior art, provide a bearing axle clearance measuring device for shafting, it can realize improving the precision that the bearing axle clearance detected for the counter shaft.
In order to realize the technical purpose, the technical effect is achieved, the utility model discloses a realize through following technical scheme:
a bearing axial clearance measuring device for a shafting comprises:
a lower substrate;
the vertical plate is vertically and fixedly connected to the lower substrate;
the measuring cylinder mounting base is horizontally arranged above the lower base plate and is vertically connected to the vertical plate in a sliding manner;
the measuring cylinder is vertically and fixedly connected to the measuring cylinder mounting seat, a through hole type slot for the sliding fit and insertion of the measuring cylinder is formed in the corresponding measuring cylinder mounting seat, annular convex blocks extending to the radial outer side of the measuring cylinder are arranged at two axial ends of the measuring cylinder, and the annular convex blocks at the top end of the measuring cylinder are abutted to the surface of the measuring cylinder mounting seat;
the displacement sensors are arranged and uniformly distributed on the annular convex blocks at the lower end of the measuring cylinder;
the middle guide sleeve is of a hollow flange structure, the small-diameter end of the middle guide sleeve is inserted in the measuring cylinder in a sliding fit mode, and the detection head of the displacement sensor abuts against the end face of the large-diameter end of the middle guide sleeve;
the shaft end detection head is coaxially and fixedly connected to the middle guide sleeve, is of a tubular structure and protrudes out of the lower end of the middle guide sleeve;
the clearance eliminating device is used for connecting the middle guide sleeve and the measuring cylinder and eliminating a contact clearance between the shaft end detecting head and the end surface of the external bearing;
and the driving device is used for driving the measuring cylinder mounting seat to vertically move.
Further, a linear slide rail is vertically installed on the vertical plate, a slide block is clamped on the linear slide rail, and the measuring cylinder installation seat is fixedly connected to the slide block.
Further, the gap eliminating device includes:
the bolts are uniformly distributed and vertically fixedly connected to the large-diameter end of the middle guide sleeve, and the screw heads of the bolts penetrate through the annular convex block at the lower end of the measuring cylinder in a sliding fit manner;
and the spring is sleeved on the bolt, and two ends of the spring in the elastic direction are fixedly connected to the large-diameter end of the middle guide sleeve and the annular convex block at the lower end of the measuring cylinder respectively.
Furthermore, the driving device comprises a cylinder arranged on the vertical plate through a mounting cylinder support, a floating joint is connected to the cylinder in a driving mode, and the floating joint is fixedly connected with the measuring cylinder mounting seat.
Further, the displacement sensors are provided in three numbers.
Furthermore, a plurality of arc-shaped ejecting blocks extending downwards are arranged on the lower shaft end face of the shaft end detection head along the axial array of the lower shaft end face, and the arc-shaped ejecting blocks are matched with the outer ring shaft end face of the external bearing.
The utility model has the advantages that: the driving device drives the lower end face of the shaft end detection head to abut against the shaft end face of the bearing outer ring, the vertical moving stroke of the middle guide sleeve is detected through the displacement sensors, and the measured values of the displacement sensors are weighted and averaged, so that the accurate axial clearance detection precision is obtained.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic cross-sectional side view of the three-dimensional structure of the present invention;
fig. 2 is a front view of the structure of the present invention;
fig. 3 is a top view of the structure of the present invention;
in the drawings, the reference numerals denote the following components:
1-middle guide sleeve, 2-shaft end detection head, 3-measurement cylinder, 4-measurement cylinder mounting seat, 5-linear slide rail, 6-displacement sensor, 7-bolt, 8-spring, 9-vertical plate, 10-lower substrate, 11-cylinder support, 12-floating joint and 13-cylinder.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
A bearing axial clearance measuring apparatus for a shafting as shown in fig. 1 to 3, comprising:
a lower substrate 10;
the vertical plate 9 is vertically and fixedly connected to the lower substrate 10;
the measuring cylinder mounting base 4 is horizontally arranged above the lower substrate 10 and is vertically and slidably connected to the vertical plate 9;
the measuring cylinder 3 is vertically and fixedly connected to the measuring cylinder mounting seat 4, a through hole type slot for the sliding fit and insertion of the measuring cylinder 3 is formed in the corresponding measuring cylinder mounting seat 4, annular convex blocks extending to the radial outer side of the measuring cylinder 3 are arranged at two axial ends of the measuring cylinder 3, and the annular convex blocks at the top end of the measuring cylinder are abutted to the surface of the measuring cylinder mounting seat 4;
a plurality of displacement sensors 6 are arranged, and the displacement sensors 6 are uniformly distributed on an annular bump at the lower end of the measuring cylinder 3;
the middle guide sleeve 1 is of a hollow flange structure, the small-diameter end of the middle guide sleeve 1 is inserted into the measuring cylinder 3 in a sliding fit mode, and the detection head of the displacement sensor 6 abuts against the end face of the large-diameter end of the middle guide sleeve 1;
the shaft end detection head 2 is coaxially and fixedly connected to the middle guide sleeve 1, is of a tubular structure and protrudes out of the lower end of the middle guide sleeve 1;
the clearance eliminating device is used for connecting the middle guide sleeve 1 and the measuring cylinder 3 and eliminating the contact clearance between the shaft end detecting head 2 and the end surface of the external bearing;
and the driving device is used for driving the measuring cylinder mounting seat 4 to vertically move.
The vertical plate 9 is vertically provided with a linear slide rail 5, the linear slide rail 5 is clamped with a slide block, the measuring cylinder mounting seat 4 is fixedly connected to the slide block, and the linear slide rail has good straightness, so that the detection precision is high.
The gap eliminating device includes:
the bolts 7 are uniformly distributed and vertically fixedly connected to the large-diameter end of the middle guide sleeve 1, and the screw heads of the bolts 7 penetrate through the annular bump at the lower end of the measuring cylinder 3 in a sliding fit manner;
and the spring 8 is sleeved on the bolt 7, two ends in the elastic direction of the spring 8 are fixedly connected to the annular convex blocks at the large-diameter end of the middle guide sleeve 1 and the lower end of the measuring cylinder 3 respectively, and the deformation of the spring is utilized to buffer the shaft end detection head when the shaft end detection head is in contact with the end face of an external bearing, so that the end face of the shaft end detection head can be flatly attached to the end face of the external bearing, and the detection precision is improved.
The driving device comprises a cylinder 13 arranged on the vertical plate 9 through an installing cylinder support 11, the cylinder 13 is connected with a floating joint 12 in a driving mode, the floating joint 12 is fixedly connected with the measuring cylinder installing seat 4, the cylinder acts rapidly, the detection efficiency can be improved, and the cost is low due to the fact that the cylinder is used.
The displacement sensors 6 are three, and the detection precision is improved and the economic cost is also considered by carrying out weighted average on the detection data of the three displacement sensors.
2 lower shaft end faces of shaft end detection head 2 are last to be equipped with a plurality of downwardly extending's arc kicking blocks along its axial array, arc kicking block and outside bearing inner race shaft end face adaptation, the arc kicking block can reduce the area of contact of shaft end detection head and bearing end face, and then has reduced the contact gap of shaft end detection head and bearing end face, improves and detects the precision.
The utility model discloses when using: the shaft of the external sleeved bearing passes through the shaft end detection head, the middle guide sleeve and the middle hole on the measurement cylinder, the cylinder is started to act to drive the mounting seat of the measurement cylinder to move downwards, so that the arc-shaped top block on the shaft end detection head is contacted with the shaft end surface of the outer ring of the external bearing, in the process, the bottom surface of the arc-shaped top block on the shaft end detection head can be fully attached to the end surface of the outer ring of the bearing through the deformation of the spring, the contact gap between the bearing and the bearing is eliminated, an external power supply is connected, the displacement sensor is electrified and electrically connected with an external controller (the connection between the displacement sensor and the external controller belongs to the prior art, the embodiment of the application does not describe the situation any more), when the arc-shaped top block is contacted with the end surface of the bearing, the middle guide sleeve slides in the measurement cylinder under the thrust action of the cylinder, then the displacement sensor detects the displacement, and more accurate axial clearance detection data can be obtained.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. A bearing axial clearance measuring device for shafting, characterized by includes:
a lower substrate (10);
the vertical plate (9), the vertical plate (9) is vertically and fixedly connected to the lower base plate (10);
the measuring cylinder mounting base (4) is horizontally arranged above the lower base plate (10) and is vertically connected to the vertical plate (9) in a sliding manner;
the measuring cylinder (3) is vertically and fixedly connected to the measuring cylinder mounting seat (4), slots which are used for the sliding fit and insertion of the measuring cylinder (3) and are in a through hole form are formed in the corresponding measuring cylinder mounting seat (4), annular convex blocks extending to the radial outer side of the measuring cylinder (3) are arranged at the two axial ends of the measuring cylinder (3), and the annular convex blocks at the top end of the measuring cylinder are abutted to the surface of the measuring cylinder mounting seat (4);
a plurality of displacement sensors (6) are arranged, and the displacement sensors (6) are uniformly distributed on an annular bump at the lower end of the measuring cylinder (3);
the middle guide sleeve (1) is of a hollow flange structure, the small-diameter end of the middle guide sleeve (1) is inserted into the measuring cylinder (3) in a sliding fit mode, and the detection head of the displacement sensor (6) abuts against the end face of the large-diameter end of the middle guide sleeve (1);
the shaft end detection head (2) is coaxially and fixedly connected to the middle guide sleeve (1), is of a tubular structure and protrudes out of the lower end of the middle guide sleeve (1);
the clearance eliminating device is used for connecting the middle guide sleeve (1) and the measuring cylinder (3) and eliminating the contact clearance between the shaft end detecting head (2) and the end surface of the external bearing;
the driving device is used for driving the measuring cylinder mounting base (4) to vertically move.
2. The device for measuring the axial clearance of the bearing for the shafting as recited in claim 1, wherein a linear slide rail (5) is vertically installed on the vertical plate (9), a slide block is clamped on the linear slide rail (5), and the measuring cylinder installation seat (4) is fixedly connected to the slide block.
3. The device for measuring the axial clearance of the bearing for the shafting as claimed in claim 1, wherein said clearance eliminating means comprises:
the bolts (7) are uniformly distributed and vertically fixedly connected to the large-diameter end of the middle guide sleeve (1), and the screw heads of the bolts (7) penetrate through the annular convex block at the lower end of the measuring cylinder (3) in a sliding fit manner;
and the spring (8) is sleeved on the bolt (7), and two ends of the spring (8) in the elastic direction are fixedly connected to the large-diameter end of the middle guide sleeve (1) and the annular bump at the lower end of the measuring cylinder (3) respectively.
4. The device for measuring the axial clearance of the bearing for the shafting as recited in claim 1, wherein said driving device comprises a cylinder (13) arranged on the vertical plate (9) through a mounting cylinder bracket (11), a floating joint (12) is drivingly connected to said cylinder (13), and said floating joint (12) is fixedly connected to the mounting seat (4) of the measuring cylinder.
5. A bearing axial clearance measuring device for shafting according to claim 1, wherein there are three said displacement sensors (6).
6. The device for measuring the axial clearance of the bearing for the shafting as claimed in claim 1, wherein a plurality of arc-shaped jacking blocks extending downwards are arranged on the lower axial end surface of the shaft end detection head (2) along the axial array of the shaft end detection head, and the arc-shaped jacking blocks are matched with the axial end surface of the outer ring of the external bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921261503.9U CN210108320U (en) | 2019-08-06 | 2019-08-06 | Bearing axial clearance measuring device for shafting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921261503.9U CN210108320U (en) | 2019-08-06 | 2019-08-06 | Bearing axial clearance measuring device for shafting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210108320U true CN210108320U (en) | 2020-02-21 |
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ID=69567471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921261503.9U Active CN210108320U (en) | 2019-08-06 | 2019-08-06 | Bearing axial clearance measuring device for shafting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210108320U (en) |
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2019
- 2019-08-06 CN CN201921261503.9U patent/CN210108320U/en active Active
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