CN215572613U - Special checking fixture for measuring ball cage clearance - Google Patents
Special checking fixture for measuring ball cage clearance Download PDFInfo
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- CN215572613U CN215572613U CN202121596469.8U CN202121596469U CN215572613U CN 215572613 U CN215572613 U CN 215572613U CN 202121596469 U CN202121596469 U CN 202121596469U CN 215572613 U CN215572613 U CN 215572613U
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- ball cage
- tensioning
- fixed
- push
- bottom plate
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Abstract
The utility model relates to a special checking fixture for measuring the play of a ball cage, which comprises a bottom plate, a tensioning mechanism and a quick clamp, wherein the tensioning mechanism is fixed on the bottom plate, the ball cage is fixed on the tensioning mechanism, a press block is arranged at the upper part of the ball cage and is tightly pressed and fixed through the quick clamp and a locking nut, a push-pull force meter is arranged at one side of the tensioning mechanism, a dial indicator is arranged at the other side of the tensioning mechanism, and a bottom foot is arranged at the bottom of the bottom plate. The utility model has the beneficial effects that: the push-pull force meter is used for loading push-pull force in a fixed value mode, the dial indicator is matched for reading, numerical speaking is carried out, and reliability is improved. When the play in the special-shaped ball way of the ball cage is really measured, the mechanical motion replaces manual hand feeling thrust, the manual influence factors are controlled, and the data is more real. In the measuring process, the manual measurement is not needed according to the hand feeling, the labor intensity is reduced, the safety coefficient is improved, and a theoretical basis is provided for the balance of the re-calibration of the transmission shaft.
Description
Technical Field
The utility model relates to a measuring and detecting tool structure, in particular to a special detecting tool for measuring a ball cage clearance.
Background
The measurement of the play of the ball cage is the transverse fit clearance between the steel ball and the special-shaped ball way, and the existing detection method is to judge the tightness of the sliding of the spline sleeve in the ball cage in the special-shaped ball way by hand feeling, wherein the clearance is large when the sliding is loose and the clearance is small when the sliding is tight. Because various errors such as graduation, shape, position and the like exist in the special-shaped ball path of the ball cage, the size of the play of the ball cage is judged only by looseness and tightness, and the ball cage is somewhat pulled. The hand feeling is lack of data support, no convincing power exists, different personnel feel different, judgment is influenced by human factor interference, force is applied by hands, and safety risks exist.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides a special checking fixture for measuring the ball cage clearance more scientifically and safely.
The utility model adopts the technical scheme for solving the technical problems that: the special checking fixture for measuring the play of the ball cage comprises a bottom plate, a tensioning mechanism and a quick clamp, wherein the tensioning mechanism is fixed on the bottom plate, the ball cage is fixed on the tensioning mechanism, a pressing block is arranged at the upper part of the ball cage and is tightly pressed and fixed through the quick clamp and a locking nut, a push-pull force meter is arranged on one side of the tensioning mechanism, a dial indicator is arranged on the other side of the tensioning mechanism, and bottom feet are arranged at the bottom of the bottom plate.
The tensioning mechanism comprises a tensioning mandrel, a tensioning base, a tensioning screw and a lever, the tensioning mandrel is located in the center of the tensioning base, the ball cage is sleeved on the tensioning mandrel, a support is arranged in the middle of the lever and fixed on the bottom plate, one end of the lever is connected with the tensioning screw, and the other end of the lever is connected with the bottom of the tensioning mandrel.
The measuring end of the dial indicator is in contact with the outer side of the ball cage, the dial indicator is fixed on the indicator rod through the locking screw, the indicator rod is fixedly connected with the indicator frame, and the indicator frame is fixed on the bottom plate.
The push-pull dynamometer is installed on a bearing installation seat, the bearing installation seat is fixed on a bottom plate, a positioning slide way and a gap adjusting screw which are used for the push-pull dynamometer to slide are arranged on the bearing installation seat, an internal thread vertical plate and a screw rod which are mutually combined are arranged on one side of the bearing installation seat, and the end part of the screw rod penetrates through the internal thread vertical plate to be in contact with the push-pull dynamometer.
And a ferrule is sleeved outside the ball cage, and the measuring end of the push-pull dynamometer is connected with the ferrule.
The utility model has the beneficial effects that: the push-pull force meter is used for loading push-pull force in a fixed value mode, the dial indicator is matched for reading, numerical speaking is carried out, and reliability is improved. When the play in the special-shaped ball way of the ball cage is really measured, the mechanical motion replaces manual hand feeling thrust, the manual influence factors are controlled, and the data is more real. In the measuring process, the manual measurement is not needed according to the hand feeling, the labor intensity is reduced, the safety coefficient is improved, and a theoretical basis is provided for the balance of the re-calibration of the transmission shaft.
Drawings
FIG. 1 is a schematic top view of the present invention;
fig. 2 is a schematic front sectional view of the present invention.
Description of reference numerals: the quick clamp comprises a quick clamp 1, a ball cage 2, a tensioning mandrel 3, a tensioning base 4, an internal thread vertical plate 5, a screw rod 6, a bottom plate 7, a bottom foot 8, a gap adjusting screw 9, a positioning slide way 10, a support 11, a lever 12, a tensioning screw 13, a dial indicator 14, a ferrule 15, a pressing block 16, an indicator frame 17, a locking nut 18, a push-pull force meter 19, a bearing mounting seat 20, a locking screw 21 and an indicator rod 22.
Detailed Description
The utility model will be further described with reference to the accompanying drawings in which:
as shown in the figure, the special checking fixture for measuring the play of the ball cage comprises a bottom plate 7, a tensioning mechanism and a quick clamp 1, wherein the tensioning mechanism is fixed on the bottom plate 7, the ball cage 2 is fixed on the tensioning mechanism, a press block 16 is arranged at the upper part of the ball cage 2 and is pressed and fixed through the quick clamp 1 and a locking nut 18, a push-pull force meter 19 is arranged on one side of the tensioning mechanism, a dial indicator 14 is arranged on the other side of the tensioning mechanism, and a bottom foot 8 is arranged at the bottom of the bottom plate 7.
The tensioning mechanism comprises a tensioning mandrel 3, a tensioning base 4, a tensioning screw 13 and a lever 12, the tensioning mandrel 3 is located in the center of the tensioning base 4, the ball cage 2 is sleeved on the tensioning mandrel 3, a support 11 is arranged in the middle of the lever 12 and fixed on the bottom plate 7, one end of the lever 12 is connected with the tensioning screw 13, and the other end of the lever is connected with the bottom of the tensioning mandrel 3.
The measuring end of the dial indicator 14 is in contact with the outer side of the ball cage 2, the dial indicator 14 is fixed on an indicator rod 22 through a locking screw 21, the indicator rod 22 is fixedly connected with an indicator frame 17, and the indicator frame 17 is fixed on the bottom plate 7.
The push-pull force meter 19 is installed on a bearing installation seat 20, the bearing installation seat 20 is fixed on the bottom plate 7, a positioning slide way 10 and a gap adjusting screw 9 which are used for the push-pull force meter 19 to slide are arranged on the bearing installation seat 20, an internal thread vertical plate 5 and a screw rod 6 which are mutually combined are arranged on one side of the bearing installation seat 20, and the end portion of the screw rod 6 penetrates through the internal thread vertical plate 5 to be in contact with the push-pull force meter 19. The outside of the ball cage 2 is sleeved with a ferrule 15, and the measuring end of a push-pull dynamometer 19 is connected with the ferrule 15.
The ball cage 2 is placed in the tensioning base 4, the tensioning screw 13 is rotated anticlockwise, the tensioning mandrel 3 tensions a workpiece under the action of the lever 12, the quick clamp is pulled, the ball cage 2 is pressed by the quick clamp from top to bottom, the end face of the ball cage is attached to the plane of the tensioning base 4, and the ball cage 2 is prevented from being lifted up when being stressed. After the ball cage 2 is installed, the dial indicator rod capable of being turned by 120 degrees (convenient for loading and unloading the ball cage) is turned, the indicator rod 22 is turned to the position limiting part of the indicator frame 17, and the indicator head is in a horizontal position and contacts with the outer circle of the ball cage. And rotating the right screw clockwise to enable the push-pull force meter 19 to move leftwards, bearing rings 15 connected with the push-pull force meter 19 to be stressed after contacting with the outer circle of the ball cage, stopping loading when the push-pull force meter 19 displays the thrust required by the technology, adjusting the press-in amount of the dial indicator to an integer position of 1mm, and setting the dial indicator to zero. And the right screw 6 is rotated anticlockwise, the sleeve ring pulls the ball cage to move rightwards by utilizing the pull-back function of the pull-push dynamometer, the sleeve ring is stopped when the sleeve ring is pulled to the same measuring force as the previous sleeve ring, and the difference of the read dial indicator values is the play of the ball cage.
The push-pull force is loaded at a fixed value through the push-pull force meter, and the push-pull force meter is matched with the dial indicator to read, so that the numerical value is used for speaking, and the reliability is improved. When the play in the special-shaped ball way of the ball cage is really measured, the mechanical motion replaces manual hand feeling thrust, the manual influence factors are controlled, and the data is more real. In the measuring process, the manual measurement is not needed according to the hand feeling, the labor intensity is reduced, the safety coefficient is improved, and a theoretical basis is provided for the balance of the re-calibration of the transmission shaft.
The ball cage clearance measuring device corrects concept transposition, achieves the true significance of ball cage clearance measurement, replaces manual hand feeling with data, improves persuasion, eliminates human influence factors by mechanical movement and utilizing the constant push-pull force of the push-pull force meter, is installed on the tensioning base, is tightly pressed by the quick clamp after tensioning, and improves the safety level.
The special checking fixture for measuring the ball cage clearance can be used for measuring the transverse clearance of the steel ball in different ball paths in the special-shaped ball path by tensioning the spline in the ball cage and utilizing the push-pull force which is loaded and fixed by the push-pull force meter from front to back, thereby improving the recalibration balance quality of the transmission shaft.
In addition to the above embodiments, the present invention may have other embodiments. All technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope of the claims of the present invention.
Claims (5)
1. The utility model provides a measure utensil is examined in special use of ball cage play, includes bottom plate (7), tight mechanism, quick clamp (1) that rises, characterized by: the tensioning mechanism is fixed on the bottom plate (7), the ball cage (2) is fixed on the tensioning mechanism, a pressing block (16) is arranged at the upper part of the ball cage (2) and is pressed and fixed through the quick clamp (1) and the locking nut (18), a push-pull force meter (19) is arranged on one side of the tensioning mechanism, a dial indicator (14) is arranged on the other side of the tensioning mechanism, and a bottom foot (8) is arranged at the bottom of the bottom plate (7).
2. The special checking fixture for measuring the play of the ball cage according to claim 1, wherein: the tensioning mechanism comprises a tensioning mandrel (3), a tensioning base (4), a tensioning screw (13) and a lever (12), the tensioning mandrel (3) is located in the center of the tensioning base (4), the ball cage (2) is sleeved on the tensioning mandrel (3), a support (11) is arranged in the middle of the lever (12) and fixed on the bottom plate (7), one end of the lever (12) is connected with the tensioning screw (13), and the other end of the lever is connected with the bottom of the tensioning mandrel (3).
3. The special checking fixture for measuring the play of the ball cage according to claim 1 or 2, wherein: the measuring end of the dial indicator (14) is in contact with the outer side of the ball cage (2), the dial indicator (14) is fixed on an indicator rod (22) through a locking screw rod (21), the indicator rod (22) is fixedly connected with an indicator frame (17), and the indicator frame (17) is fixed on the bottom plate (7).
4. The special checking fixture for measuring the play of the ball cage according to claim 3, wherein: the push-pull dynamometer (19) is installed on a bearing installation seat (20), the bearing installation seat (20) is fixed on a bottom plate (7), a positioning slide way (10) and a gap adjusting screw (9) which are used for the push-pull dynamometer (19) to slide are arranged on the bearing installation seat (20), an internal thread vertical plate (5) and a screw rod (6) which are mutually combined are arranged on one side of the bearing installation seat (20), and the end portion of the screw rod (6) penetrates through the internal thread vertical plate (5) to be in contact with the push-pull dynamometer (19).
5. The special checking fixture for measuring the play of the ball cage according to claim 4, wherein: a ferrule (15) is sleeved outside the ball cage (2), and the measuring end of the push-pull dynamometer (19) is connected with the ferrule (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121596469.8U CN215572613U (en) | 2021-07-14 | 2021-07-14 | Special checking fixture for measuring ball cage clearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121596469.8U CN215572613U (en) | 2021-07-14 | 2021-07-14 | Special checking fixture for measuring ball cage clearance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215572613U true CN215572613U (en) | 2022-01-18 |
Family
ID=79825586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121596469.8U Active CN215572613U (en) | 2021-07-14 | 2021-07-14 | Special checking fixture for measuring ball cage clearance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215572613U (en) |
-
2021
- 2021-07-14 CN CN202121596469.8U patent/CN215572613U/en active Active
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