CN221706361U - Gear runout testing tool - Google Patents
Gear runout testing tool Download PDFInfo
- Publication number
- CN221706361U CN221706361U CN202323271269.7U CN202323271269U CN221706361U CN 221706361 U CN221706361 U CN 221706361U CN 202323271269 U CN202323271269 U CN 202323271269U CN 221706361 U CN221706361 U CN 221706361U
- Authority
- CN
- China
- Prior art keywords
- gear
- hole
- fixing
- base
- rotating shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 238000001514 detection method Methods 0.000 claims abstract description 24
- 230000006835 compression Effects 0.000 claims abstract description 11
- 238000007906 compression Methods 0.000 claims abstract description 11
- 125000006850 spacer group Chemical group 0.000 claims description 12
- 238000005259 measurement Methods 0.000 abstract description 13
- 230000009191 jumping Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 10
- 230000000903 blocking effect Effects 0.000 description 4
- 239000000243 solution Substances 0.000 description 3
- 210000004907 gland Anatomy 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The application discloses a gear runout testing tool, which comprises a base, wherein a perforated shaft mechanism for fixing a gear is arranged on the base, the perforated shaft mechanism can drive the gear to rotate relative to the base, a detection mechanism is arranged in the radial direction of the gear, the detection position of the detection mechanism is matched with the gear, and the detection mechanism comprises: the dial indicator is connected to the position to be detected of the gear through the fixing through hole, the compression nut directly or indirectly utilizes the limiting hole to fix the position of the dial indicator in the fixing through hole, and the limiting hole is positioned on the side face of the fixing through hole; the perforating shaft mechanism comprises a rotating shaft, the rotating shaft is rotatably fixed in a shaft hole on the base, and the gear is fixedly arranged at the end part of the rotating shaft. The scheme of the application has the advantages of low cost, simple operation, high measurement data precision and small repeated measurement deviation, and is particularly more advantageous for testing the jumping performance of the plastic gear caused by the dimensional change of the gear due to shrinkage during plastic processing.
Description
Technical Field
The invention belongs to the technical field of gear testing, and particularly relates to a gear runout testing tool.
Background
The radial runout tolerance of a gear is an important parameter in assessing the accuracy of the gear. The detection method is that in the range of one circle of rotation of the gear, the measuring head has the maximum variable relative to the gear axis in each tooth slot, and in each variable, the smaller the difference between the maximum variable value and the minimum variable value is, the higher the accuracy of the representing gear is, and the lower the accuracy is otherwise.
In the prior art, the gear measuring center or the meshing instrument is adopted, the precision is high, more than 2 levels can be measured, the measurement is convenient, the universality is good, but the cost of the gear measuring center (about 40 ten thousand) and the meshing instrument (about 15 ten thousand) is high, the requirement on the measuring environment is high (constant temperature and constant humidity), the reference gear (about 1 ten thousand) is needed, and the comprehensive measuring cost is extremely high. The manual measuring equipment in the prior art has relatively low cost (about 2-3 ten thousand), but has complex measurement, poor measurement precision and poor repetition precision.
Disclosure of Invention
In order to overcome the problems in the prior art, the invention aims to provide the gear jumping tool which is simple in structure, convenient to operate, low in cost and wide in application range, and the gear jumping tool is realized by the following technical scheme:
The utility model provides a frock is beated to gear, includes the base, be equipped with the perforation axle mechanism that is used for fixed gear on the base, perforation axle mechanism can drive gear and base relative rotation, and the radial direction of gear is equipped with detection mechanism, detection mechanism's detection position and gear phase-match, detection mechanism includes: the dial indicator is connected to the position to be detected of the gear through the fixing through hole, the compression nut directly or indirectly utilizes the limiting hole to fix the position of the dial indicator in the fixing through hole, and the limiting hole is positioned on the side face of the fixing through hole; the perforating shaft mechanism comprises a rotating shaft, the rotating shaft is rotatably fixed in a shaft hole on the base, and the gear is fixedly arranged at the end part of the rotating shaft.
Optionally, the detection mechanism is fixed on the base.
Optionally, a fixing plate extends in a direction perpendicular to the surface of the base, the gear is parallel to the surface of the base, and the fixing through hole is formed in the fixing plate.
Optionally, the detection mechanism is one or more, and the plurality of detection mechanisms are respectively arranged at different angles around the gear. The device can meet the requirement of one-time clamping to finish one-time measurement of different gears of the same workpiece, reduces accumulated errors of multiple installation and improves measurement efficiency and precision.
Optionally, the fixing through hole and the limiting hole are vertically arranged.
Optionally, the rotating shaft is rotatably fixed in the shaft hole through a bearing and a bearing pressing block.
Optionally, a conical surface-shaped mounting part is arranged at the position of the gear sleeved on the rotating shaft. The gear with different apertures can be fully contacted with the rotating shaft, and the product deflection caused by installation is prevented, so that the shrinkage tolerance of the injection molding gear is met.
Optionally, the sizes of the shaft hole, the rotating shaft, the dial indicator and the fixed through hole are precisely controlled to be +/-0.01 mm. Through size precision control, gear measurement precision and repetition precision of more than 8 grades can be met, and the gear precision refers to GB/T10095-2008 standard.
Optionally, the spacing hole position department is equipped with the briquetting, and gland nut supports tightly the amesdial through briquetting and spacing hole direct or indirection, spacing hole and fixed through-hole UNICOM.
Optionally, a side of the fixing through hole facing the compression nut is non-closed.
Optionally, a cushion block is further arranged in the limiting hole, and the compression nut abuts against the position of the dial indicator in the fixing through hole through the cushion block.
Optionally, the spacer includes a blocking portion for defining a maximum position of the spacer into the limiting hole.
Optionally, the cushion block further comprises a tangential surface and an arc groove, and the shape of the limiting hole is matched with the tangential surface to limit the installation position and the installation angle of the cushion block.
Compared with the prior art, the scheme of the application has the advantages of low cost, simple operation, high measurement data precision and small repeated measurement deviation, and is more advantageous in testing the jumping performance of the plastic gear caused by the change of the size of the gear due to shrinkage during plastic processing; the gear is fixedly arranged at the end part of the rotating shaft, so that the installation is convenient, the testing operation and the observation are convenient, and the testing efficiency is improved.
Drawings
Fig. 1 is a schematic perspective view of a gear runout testing tool according to embodiment 1;
FIG. 2 is a cross-sectional view of the tooling of example 1;
fig. 3 is a partially disassembled schematic view of the tooling according to embodiment 1;
FIG. 4 is a schematic view of a pad structure according to embodiment 1;
Fig. 5 is a schematic view of the structure of the rotating shaft in embodiment 1.
In the drawings, reference numerals are: the base 1, shaft hole 101, rotation area 102, pivot 2, fixed part 201, installation department 202, gear 3, bearing briquetting 4, bearing 401, fixed plate 5, fixed through-hole 501, spacing hole 502, briquetting 503, gland nut 5031, cushion 504, tangent plane 5041, arc groove 5042, blocking portion 5043, amesdial 6.
Description of the embodiments
The following examples are provided to illustrate the embodiments of the present application in detail, but the embodiments of the present application are not to be construed as limiting the technical solutions of the present application, and any insubstantial changes such as replacement of common technical solutions in the art by using the technical solutions described in the examples of the present application are included in the scope of the present application.
Example 1
The frock is beated to gear 3 as shown in fig. 1 through 5, including base 1, be equipped with the perforation axle mechanism that is used for fixed gear 3 on the base 1, perforation axle mechanism can drive gear 3 and the relative rotation of base 1, and gear 3 radial direction is equipped with detection mechanism, detection mechanism's detection position and gear 3 assorted, detection mechanism includes: the dial indicator 6, the fixing through hole 501, the limiting hole 502 and the compression nut 5031, wherein the dial indicator 6 passes through the fixing through hole 501 to the position to be detected of the gear 3, the compression nut directly or indirectly utilizes the limiting hole 502 to fix the position of the dial indicator 6 in the fixing through hole 501, and the limiting hole 502 is positioned on the side surface of the fixing through hole 501; the perforated shaft mechanism comprises a rotating shaft 2, the rotating shaft 2 is rotatably fixed in a shaft hole 101 on the base 1, and the gear 3 is fixedly arranged at the end part of the rotating shaft 2.
The detection mechanism is fixed on the base 1. In this embodiment, a fixing plate 5 is extended in a direction perpendicular to the surface of the base 1, the gear 3 is parallel to the surface of the base 1, and the fixing through hole 501 is disposed on the fixing plate 5.
The detection mechanism is one or more, and the detection mechanisms are respectively arranged at different angles around the gear 3. The one-time measurement of different gears 3 of the same workpiece can be completed by one-time clamping, the accumulated error of multiple installation is reduced, and the measurement efficiency and the measurement precision are improved. In this embodiment, two.
In this embodiment, the fixing through hole 501 and the limiting hole 502 are vertically disposed.
In this embodiment, the rotating shaft 2 is rotatably fixed in the shaft hole 101 through the bearing 401 and the bearing block 5034.
In this embodiment, a mounting portion 202 having a taper surface shape is provided at a position of the gear 3 sleeved on the rotating shaft 2. The gears 3 with different apertures can be fully contacted with the rotating shaft 2, and the product deflection caused by installation is prevented, so that the shrinkage tolerance of the injection molding gear 3 is met.
In this embodiment, the dimensions of the shaft hole 101 and the rotating shaft 2, the dial indicator 6 and the fixing through hole 501 are precisely controlled to be ±0.01mm. Through size precision control, the gear 3 measuring precision and the repeated precision of more than 8 grades can be met, and the gear 3 precision refers to GB/T10095-2008 standard.
In this embodiment, a pressing block 503 is disposed at the position of the limiting hole 502, the pressing nut 5031 directly or indirectly abuts against the dial indicator 6 through the pressing block 503 and the limiting hole 502, and the limiting hole 502 is communicated with the fixing through hole 501.
In other embodiments, the side of the fixing hole 501 facing the compression nut is non-closed. Only the pressing block 503 is needed to press.
In this embodiment, a spacer block 504 is further disposed in the limiting hole 502, and the compression nut 5031 abuts against the position of the dial indicator 6 in the fixing through hole 501 through the spacer block 504.
In this embodiment, the spacer 504 includes a blocking portion 5043, and the blocking portion 5043 is configured to limit the maximum position of the spacer 504 into the limiting hole 502.
In this embodiment, the spacer 504 further includes a tangential surface 5041 and an arc-shaped groove 5042, and the shape of the limiting hole 502 is matched with the tangential surface 5041, so as to define the installation position and the installation angle of the spacer 504.
In this embodiment, a rotation area 102 is provided at the bottom of the base 1 for rotating the operation shaft 2.
In the present embodiment, the rotation shaft 2 includes a fixing portion 201 and a mounting portion 201, the fixing portion 201 being for fixing the position of the rotation shaft 2 in the shaft hole 101.
It should be noted that, the components used in the above embodiments may be selected or replaced by those skilled in the art according to the requirements without departing from the scope of the present application.
Claims (13)
1. Gear jump test fixture, its characterized in that: including the base, be equipped with the perforation axle mechanism that is used for fixed gear on the base, perforation axle mechanism can drive gear and base relative rotation, and the radial direction of gear is equipped with detection mechanism, detection mechanism's detection position and gear phase-match, detection mechanism includes: the dial indicator is connected to the position to be detected of the gear through the fixing through hole, the compression nut directly or indirectly utilizes the limiting hole to fix the position of the dial indicator in the fixing through hole, and the limiting hole is positioned on the side face of the fixing through hole; the perforating shaft mechanism comprises a rotating shaft, the rotating shaft is rotatably fixed in a shaft hole on the base, and the gear is fixedly arranged at the end part of the rotating shaft.
2. The gear runout test fixture of claim 1, wherein the detection mechanism is fixed on the base.
3. The gear runout testing tool according to claim 2, wherein a fixing plate is arranged in a direction perpendicular to the surface of the base in an extending mode, the gear is parallel to the surface of the base, and the fixing through hole is formed in the fixing plate.
4. The gear runout testing tool according to claim 1, wherein the number of the detecting mechanisms is one or more, and the detecting mechanisms are respectively arranged at different angles around the gear.
5. The gear runout test fixture of claim 1, wherein the fixed through hole and the limiting hole are disposed perpendicular to each other.
6. The gear runout testing tool according to claim 1, wherein the rotating shaft is rotatably fixed in the shaft hole through a bearing and a bearing pressing block.
7. The gear runout testing tool according to claim 1, wherein a conical surface-shaped mounting portion is arranged at a position where the gear is sleeved on the rotating shaft.
8. The gear runout test fixture of claim 1, wherein the sizes of the shaft hole and the rotating shaft, the dial indicator and the fixed through hole are precisely controlled to be +/-0.01 mm.
9. The gear runout testing tool according to claim 1, wherein a pressing block is arranged at the position of the limiting hole, the pressing nut directly or indirectly abuts against the dial indicator through the pressing block and the limiting hole, and the limiting hole is communicated with the fixing through hole.
10. The gear runout testing tool according to claim 1, wherein a side of the fixing through hole facing the compression nut is non-closed.
11. The gear runout testing tool according to claim 1, wherein a cushion block is further arranged in the limiting hole, and the compression nut abuts against the position of the dial indicator in the fixing through hole through the cushion block.
12. The gear runout testing tool of claim 11, wherein the spacer comprises a stop portion for defining a maximum position of the spacer deep into the limiting aperture.
13. The gear runout test fixture of claim 11 or 12, wherein the spacer further comprises a tangential surface and an arcuate slot, wherein the limiting aperture is shaped to match the tangential surface to define a mounting location and a mounting angle of the spacer.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202323271269.7U CN221706361U (en) | 2023-12-01 | 2023-12-01 | Gear runout testing tool |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202323271269.7U CN221706361U (en) | 2023-12-01 | 2023-12-01 | Gear runout testing tool |
Publications (1)
Publication Number | Publication Date |
---|---|
CN221706361U true CN221706361U (en) | 2024-09-13 |
Family
ID=92654541
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202323271269.7U Active CN221706361U (en) | 2023-12-01 | 2023-12-01 | Gear runout testing tool |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN221706361U (en) |
-
2023
- 2023-12-01 CN CN202323271269.7U patent/CN221706361U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN110207565B (en) | Tool and method for measuring crankshaft assembling position degree of high-speed warp knitting machine | |
CN111059985B (en) | Disc gear spline addendum circle diameter measuring gauge and method | |
CN2833506Y (en) | Flange shoulder plane depth measurer | |
CN221706361U (en) | Gear runout testing tool | |
CN115164674A (en) | High-speed fan blade type value and length short-term test frock | |
CN104279933A (en) | Special detecting tool for tooth thickness of bevel gear | |
CN109798856B (en) | First harmonic runout simulation hub | |
CN201302438Y (en) | A special measuring gauge for simultaneously measuring mounting distance and offset distance of spiral bevel gear pair | |
CN114838638B (en) | Gauge and measuring method for measuring position accuracy of trimming line of stamped part | |
CN213631866U (en) | Gauge tool for measuring radial runout of large gear | |
CN212378679U (en) | Special detection tool for gear hub of gearbox | |
CN214582996U (en) | Flatness detection tool | |
CN112097723B (en) | Linear rail precision detection device and detection method for seventh axis of robot | |
CN213579079U (en) | Detection tool for detecting pitch of mounting holes on linear guide rail | |
CN210220939U (en) | Crankshaft gear timing angle detection device | |
CN109780964B (en) | Pulley wear detection device and detection method | |
CN216869362U (en) | Automobile clutch pressure plate tooth top diameter measuring caliper | |
CN110608652A (en) | Inner hole aperture precision measurement device and measurement method | |
CN219640863U (en) | Detection tool for automobile skylight glass surface difference | |
CN211651496U (en) | Flatness detection device for metal shell of electronic component | |
CN219141693U (en) | Special gauge for rapidly detecting length from end face of shaft to same-direction step section | |
CN221099666U (en) | Step supporting head for shaft instrument device | |
CN216869420U (en) | Workpiece positioning device for performance test of angular displacement sensor | |
CN219474519U (en) | Crankshaft center offset gauge | |
CN221404124U (en) | Device for detecting radial runout of shaft parts |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |