CN219757148U - Gauge for detecting radial runout value of shaft internal spline - Google Patents
Gauge for detecting radial runout value of shaft internal spline Download PDFInfo
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- CN219757148U CN219757148U CN202321250130.1U CN202321250130U CN219757148U CN 219757148 U CN219757148 U CN 219757148U CN 202321250130 U CN202321250130 U CN 202321250130U CN 219757148 U CN219757148 U CN 219757148U
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- shaft
- rod
- gauge
- swing arm
- internal spline
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- 238000005259 measurement Methods 0.000 claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000008901 benefit Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
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- 230000002349 favourable effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model belongs to the field of measurement equipment with an internal spline shaft, and particularly relates to a gauge for detecting the radial runout value of an internal spline of a shaft, which comprises a workbench, a dial indicator and an offset transmission device, wherein the workbench is provided with a T-shaped groove, a bearing frame of the shaft to be measured and a meter pedestal for installing the dial indicator are arranged on the workbench, and the bottoms of two supporting frames are respectively connected with a sliding block in the T-shaped groove; the dial indicator is arranged at the top of the meter pedestal, the offset transmission device comprises a measuring swing arm and a reset spring, the measuring swing arm is arranged along the left-right direction, the outer walls of the two ends are respectively provided with a meter rod contact and a workpiece contact, the workpiece contacts are positioned at the centers of the two rollers at the top end of the supporting frame, one end of the reset spring is abutted to the measuring swing arm, the other end is abutted to the meter pedestal, and the measuring tool detects radial runout of an internal spline by taking the outer circle of a product bearing gear as a reference.
Description
Technical Field
The utility model belongs to the field of measurement equipment of an in-band spline shaft, and particularly relates to a gauge for detecting radial runout values of shaft type internal splines.
Background
The radial runout of the spline is one of key parameters of the spline, the parameter reflects the radial error of the spline, and the radial runout of the spline has a great influence on the transmission precision of the spline, so that the radial runout of the spline is essential in spline production and product assembly. If the spline is arranged on the outer wall of the shaft, the radial runout of the spline is easy to measure, when the spline is positioned in an inner hole of the shaft, the radial runout of the internal spline is required to be controlled by adopting a gear measuring instrument or an internal spline comprehensive gauge, the detection time of the gear measuring instrument is long (average 3-5 min/piece), the internal spline comprehensive gauge cannot detect specific radial runout values and cannot meet drawing requirements (the drawing requires that the radial runout detection standard of the internal spline is the outer circle of a bearing gear of the product), the control of the internal spline precision in the processing process is not facilitated, and a large number of bad pieces are easy to generate.
Disclosure of Invention
The utility model aims to provide a gauge for detecting the radial runout value of the internal spline of a shaft product, which has the advantages of simple structure and high measurement efficiency, and can rapidly judge whether the radial runout of the internal spline is qualified.
The contents of the technical scheme for achieving the above object include the following.
The gauge for detecting the radial runout value of the shaft internal spline comprises a workbench, a dial gauge, an offset transmission device,
the workbench is provided with a T-shaped groove along the left-right direction, a plurality of sliding blocks with controllable positions are arranged in the T-shaped groove in a matching way, a shaft bearing frame to be tested and a meter pedestal for installing a dial indicator are arranged on the workbench, the shaft bearing frame to be tested and the meter pedestal are arranged at intervals along the left-right direction,
the bearing frame of the shaft to be tested comprises two supporting frames which are arranged at intervals along the left-right direction, the top ends of the supporting frames are provided with two rollers at intervals along the front-back direction, the rotating shafts of the rollers are arranged along the left-right direction, and the bottoms of the two supporting frames are respectively connected with the sliding blocks in the T-shaped grooves;
the bottom of the meter pedestal is connected with the sliding block in the T-shaped groove, the dial indicator is arranged at the top of the meter pedestal, the meter rod of the dial indicator is inserted into the meter pedestal,
the deflection transmission device comprises a measuring swing arm and a reset spring, wherein the measuring swing arm is arranged in the left-right direction, a rotating shaft is arranged in the middle of the measuring swing arm, the rotating shaft is arranged in the front-back direction and is installed in a meter pedestal, the outer walls of two ends of the measuring swing arm are respectively provided with a meter rod contact and a workpiece contact, the meter rod contact is arranged at the top of the measuring swing arm, the workpiece contact is arranged at the bottom of the measuring swing arm, the workpiece contact is positioned at the center of two rollers at the top of the supporting frame, one end of the reset spring is abutted against the measuring swing arm, the other end of the reset spring is abutted against the meter pedestal,
during measurement, the internal spline shaft is horizontally placed on the bearing frame of the shaft to be measured, the rollers on the two support frames respectively support the bottoms of the outer circles of the gear at two ends of the internal spline shaft, the workpiece contact at the bottom of the measuring swing arm is abutted to the internal spline of the internal spline shaft, and the bottom end of the gauge rod is abutted to the gauge rod contact at the top of the measuring swing arm.
Further, one end or two ends of the workbench are provided with limit baffles. The limit baffle can limit the travel of the bearing frame of the shaft to be tested and the meter pedestal in the T-shaped groove, so that accidents are prevented.
Further, reset spring vertical setting, its upper end butt measurement swing arm's bottom, its lower extreme links to each other with the table pedestal.
Further, the return spring is located directly below the lever.
Further, the table seat is connected with the sliding block in the T-shaped groove through the L-shaped supporting rod, a first vertical strip hole is formed in the upper portion of the L-shaped supporting rod, the table seat is fixed on the L-shaped supporting rod through bolts inserted in the first vertical strip hole, and the bottom of the L-shaped supporting rod is fixed on the sliding block in the T-shaped groove. The position of the gauge head seat on the L-shaped supporting rod is adjustable, so that the height of the gauge head seat can be conveniently adjusted to adapt to bearings with different sizes.
Further, the axle carrier that awaits measuring sets up in the left side of table pedestal, the measurement swing arm comprises upper and lower two horizontal poles and the vertical pole of connecting two horizontal poles, and the measurement swing arm is anti-Z shape, the rotation axis sets up in the middle part of vertical pole, and the table pole contact sets up in the top of upside horizontal pole end, and the work piece contact sets up in the bottom of downside horizontal pole end. The measurement swing arm of anti Z shape can conveniently arrange other parts in the table seat for whole gauge structure is compacter.
Further, the axle carrier that awaits measuring sets up in the left side of table seat, and the left side wall of table seat is equipped with the swing gag lever post, the vertical setting of swing gag lever post, swing gag lever post lower part is equipped with spacing through-hole along controlling the direction, and the measurement swing arm passes from spacing through-hole, and the upper portion of swing gag lever post is equipped with the vertical strip hole of second, and the bolt of interlude in the vertical strip hole of second is fixed the swing gag lever post on the left side wall of table seat. The limiting through holes limit the transverse swing amplitude and the longitudinal swing amplitude of the measuring swing arm, are favorable for protecting the rotating shaft, ensure the detection precision, and can adapt to the sizes of bearings of different types by adjusting the height of the swing amplitude limiting rod.
When the gauge for detecting the radial runout value of the shaft internal spline is used, the internal spline shaft is horizontally placed on the idler wheels of the two supporting frames, the distance between the two supporting frames is adjusted, the gear excircles at the two ends of the internal spline shaft are guaranteed to be abutted on the idler wheels, so that the internal spline shaft can freely rotate around the axis of the internal spline shaft, the radial runout detection standard of the internal spline is guaranteed to be the gear excircle of a product bearing, the position of the gauge stand is adjusted, a workpiece contact at the bottom of the measuring swing arm penetrates into a central hole of the internal spline shaft, the height position of the gauge rod is adjusted, the bottom end of the gauge rod generates certain pressure on the gauge rod contact on the measuring swing arm, the measuring swing arm keeps balance under the reaction of the reset spring, the workpiece contact abuts against the surface of the internal spline shaft, a plurality of internal splines are selected for taking values in one circle, the range of the pointer runout of the dial indicator is calculated, and the actual radial runout value of the shaft is converted according to the distance between the workpiece contact and the rotating shaft.
The utility model transmits the change of the distance between the top surface of the internal spline and the excircle of the bearing gear to the dial indicator by utilizing the measuring swing arm, realizes the measurement of the radial runout value of the internal spline, has the advantages of simple structure and quick measurement, can adapt to the measurement of internal spline shafts with different sizes by adjusting the distance between the two supporting frames, has a multipurpose function, and can save the cost and improve the economic benefit.
Drawings
FIG. 1 is a schematic diagram of a state of an internal spline radial runout value gauge according to an embodiment;
fig. 2 is a left side view of a gauge for measuring radial runout values of internal splines according to an embodiment.
1. A work table; 1-1, a sliding block; 2. a dial gauge; 2-1, a watch bar; 3. a watch stand; 3-1, a swing limit rod; 3-1-1. A second vertical stripe hole; 3-2. L-shaped stay bars; 3-2-1. A first vertical bar hole; 4. a bearing frame of the shaft to be tested; 4-1, supporting frames; 4-2, idler wheels; 5. measuring a swing arm; 5-1, a gauge stick contact; 5-2, workpiece contacts; 5-3, rotating shaft; 6. a reset spring; 7. and a shaft to be measured.
Detailed Description
The present utility model will be specifically described with reference to examples.
Referring to fig. 1 and 2, a gauge for detecting radial runout values of shaft internal splines comprises a workbench 1 and a dial gauge 2, wherein a gauge rod 2-1 of the dial gauge 2 is vertically arranged downwards, and further comprises an offset transmission device,
the workbench 1 is provided with a T-shaped groove along the left-right direction, 3 sliding blocks 1-1 with controllable positions are arranged in the T-shaped groove in a matching way, a shaft bearing frame 4 to be tested and a meter base 3 for mounting a dial indicator 2 are mounted on the workbench 1, and the shaft bearing frame 4 to be tested is arranged at the left side of the meter base 3;
the bearing frame 4 of the shaft to be tested comprises two supporting frames 4-1 which are arranged at intervals along the left-right direction, the top ends of the supporting frames 4-1 are provided with two rollers 4-2 at intervals along the front-back direction, the rotating shafts of the rollers 4-2 are arranged along the left-right direction, and the bottoms of the two supporting frames 4-1 are respectively connected with two sliding blocks in the T-shaped groove;
the meter seat 3 is connected with a sliding block 1-1 in the T-shaped groove through an L-shaped supporting rod 3-2, a first vertical strip hole 3-2-1 is arranged at the upper part of the L-shaped supporting rod 3-2, a bolt inserted in the first vertical strip hole 3-2-1 fixes the meter seat 3 on the left side wall of the L-shaped supporting rod 3-2, the bottom of the L-shaped supporting rod 3-2 is fixed on the sliding block 1-1 in the T-shaped groove, a dial indicator 2 is arranged at the top of the meter seat 3, the meter rod 2-1 of the dial indicator 2 is inserted into the meter seat 3 in a penetrating way,
the offset transmission device comprises a measurement swing arm 5 and a reset spring 6, wherein the measurement swing arm 5 is arranged in the left-right direction, the measurement swing arm 5 consists of an upper horizontal rod, a lower horizontal rod and a vertical rod connected with the two horizontal rods, the measurement swing arm 5 is in an inverse Z shape, a rotating shaft 5-3 is arranged in the middle of the vertical rod, the rotating shaft 5-3 is arranged in the front-back direction and is arranged in a meter pedestal 3, a meter rod contact 5-1 is arranged at the top of the tail end of the upper horizontal rod, a workpiece contact 5-2 is arranged at the bottom of the tail end of the lower horizontal rod, the workpiece contact 5-2 is positioned in the center of two rollers 4-2 at the top end of a supporting frame 4-1, the reset spring 6 is vertically arranged, one end of the reset spring is abutted against the bottom of the tail end of the upper horizontal rod, and the other end of the reset spring is connected with the inner cavity of the meter pedestal 3;
the left side wall of the meter pedestal 3 is provided with a swing limit rod 3-1, the swing limit rod 3-1 is vertically arranged, the lower part of the swing limit rod 3-1 is provided with a limit through hole along the left-right direction, the lower horizontal rod of the measuring swing arm 5 passes through the limit through hole, the upper part of the swing limit rod 3-1 is provided with a second vertical strip hole 3-1-1, and a bolt inserted into the second vertical strip hole 3-1-1 fixes the swing limit rod 3-1 on the left side wall of the meter pedestal 3;
in this embodiment, the right-hand member of workstation 1 is equipped with limit baffle, and limit baffle can be spacing to the stroke of table seat 3 on the T groove, prevents the emergence accident.
When the gauge of the embodiment is used, the shaft 7 to be measured is horizontally placed on the shaft bearing frame 4 to be measured, the distance between the two supporting frames 4-1 is adjusted, the bottoms of the outer circles of the gears at the two ends of the shaft 7 to be measured are respectively supported by the rollers 4-2 on the two supporting frames 4-1, the shaft 7 to be measured can rotate freely, the L-shaped supporting rod 3-2 is pushed along the T-shaped groove, the position of the gauge stand 3 on the L-shaped supporting rod 3-2 is adjusted, the lower horizontal rod end penetrates into the inner hole at the right end of the shaft 7 to be measured, the swing limit rod 3-1 is adjusted to be high or low, the lower horizontal rod can be lifted or lowered, the workpiece contact 5-2 at the lower horizontal rod end is abutted against the inner spline of the shaft 7 to be measured, the shaft rotates freely on the supporting frames 4-1, the workpiece contact 5-2 rises or falls by corresponding to the radial runout value of the spline, the gauge rod contact 5-1 rises or falls synchronously under the action of the reset spring 6 and the built-in spring, the gauge 2 head rises synchronously, the gauge 2 obtains the reading corresponding to the radial runout value, and the radial runout value can be converted to the radial runout value of the spline value of the shaft can be obtained.
The gauge for detecting the radial runout value of the shaft internal spline has the advantages of simple structure, low manufacturing cost, quick and convenient measurement and good measurement effect.
Claims (7)
1. The gauge for detecting the radial runout value of the shaft internal spline comprises a workbench and a dial gauge, wherein a gauge rod of the dial gauge is vertically arranged downwards,
the workbench is provided with a T-shaped groove along the left-right direction, a plurality of sliding blocks with controllable positions are arranged in the T-shaped groove in a matching way, a shaft bearing frame to be tested and a meter pedestal for installing a dial indicator are arranged on the workbench, the shaft bearing frame to be tested and the meter pedestal are arranged at intervals along the left-right direction,
the bearing frame of the shaft to be tested comprises two supporting frames which are arranged at intervals along the left-right direction, the top ends of the supporting frames are provided with two rollers at intervals along the front-back direction, the rotating shafts of the rollers are arranged along the left-right direction, and the bottoms of the two supporting frames are respectively connected with the sliding blocks in the T-shaped grooves;
the bottom of the meter pedestal is connected with the sliding block in the T-shaped groove, the dial indicator is arranged at the top of the meter pedestal, the meter rod of the dial indicator is inserted into the meter pedestal,
the deflection transmission device comprises a measuring swing arm and a reset spring, wherein the measuring swing arm is arranged in the left-right direction, a rotating shaft is arranged in the middle of the measuring swing arm, the rotating shaft is arranged in the front-back direction and is arranged in a meter pedestal, the outer walls of two ends of the measuring swing arm are respectively provided with a meter rod contact and a workpiece contact, the meter rod contacts are arranged at the top of the measuring swing arm, the workpiece contacts are arranged at the bottom of the swing arm, one end of the reset spring is abutted against the measuring swing arm, the other end is abutted against the meter pedestal,
during measurement, the internal spline shaft is horizontally placed on the bearing frame of the shaft to be measured, the rollers on the two support frames respectively support the bottoms of the outer circles of the gear at two ends of the internal spline shaft, the workpiece contact at the bottom of the measuring swing arm is abutted to the internal spline of the internal spline shaft, and the bottom end of the gauge rod is abutted to the gauge rod contact at the top of the measuring swing arm.
2. The gauge for detecting the radial runout value of the shaft internal spline according to claim 1, wherein limit baffles are arranged at one end or two ends of the workbench.
3. The gauge for detecting the radial runout value of the shaft internal spline according to claim 1, wherein the reset spring is vertically arranged, the upper end of the reset spring is abutted against the bottom of the measuring swing arm, and the lower end of the reset spring is connected with the meter base.
4. The gauge for detecting radial runout values of shaft internal splines of claim 3, wherein the return spring is located directly below the meter bar.
5. The gauge for detecting the radial runout value of the shaft internal spline according to claim 1, wherein the gauge stand is connected with the sliding block in the T-shaped groove through the L-shaped supporting rod, a first vertical strip hole is formed in the upper portion of the L-shaped supporting rod, and the gauge stand is fixed on the L-shaped supporting rod by bolts inserted into the first vertical strip hole.
6. The gauge for detecting the radial runout value of the shaft internal spline according to claim 1, wherein the shaft bearing frame to be detected is arranged on the left side of the watch stand, the measuring swing arm is composed of an upper horizontal rod, a lower horizontal rod and a vertical rod connected with the two horizontal rods, the measuring swing arm is in an inverse Z shape, the rotating shaft is arranged in the middle of the vertical rod, the watch rod contact is arranged at the top of the upper horizontal rod end, and the workpiece contact is arranged at the bottom of the lower horizontal rod end.
7. The gauge for detecting the radial runout value of the shaft internal spline according to claim 1, wherein the shaft bearing frame to be detected is arranged on the left side of the meter pedestal, a swing limit rod is arranged on the left side wall of the meter pedestal, the swing limit rod is vertically arranged, a limit through hole is arranged at the lower part of the swing limit rod along the left-right direction, the measuring swing arm penetrates through the limit through hole, a second vertical strip hole is arranged at the upper part of the swing limit rod, and a bolt penetrating through the second vertical strip hole fixes the swing limit rod on the left side wall of the meter pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321250130.1U CN219757148U (en) | 2023-05-23 | 2023-05-23 | Gauge for detecting radial runout value of shaft internal spline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321250130.1U CN219757148U (en) | 2023-05-23 | 2023-05-23 | Gauge for detecting radial runout value of shaft internal spline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219757148U true CN219757148U (en) | 2023-09-26 |
Family
ID=88072517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321250130.1U Active CN219757148U (en) | 2023-05-23 | 2023-05-23 | Gauge for detecting radial runout value of shaft internal spline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219757148U (en) |
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2023
- 2023-05-23 CN CN202321250130.1U patent/CN219757148U/en active Active
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