CN213067328U - Crankshaft bearing hole radial run-out testing fixture - Google Patents
Crankshaft bearing hole radial run-out testing fixture Download PDFInfo
- Publication number
- CN213067328U CN213067328U CN202021724149.1U CN202021724149U CN213067328U CN 213067328 U CN213067328 U CN 213067328U CN 202021724149 U CN202021724149 U CN 202021724149U CN 213067328 U CN213067328 U CN 213067328U
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- supporting seat
- limiting block
- stopper
- connecting rod
- hole
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- 238000012360 testing method Methods 0.000 title description 2
- 210000001624 hip Anatomy 0.000 claims description 4
- 238000001514 detection method Methods 0.000 description 5
- 238000003754 machining Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model provides a bent axle dead eye runout examines utensil, including base, first supporting seat, second supporting seat, first stopper, second stopper and lever percentage table, first supporting seat and second supporting seat set up relatively and all are located the base top, and first stopper is located first supporting seat, and the second stopper is located the second supporting seat, and first stopper and second stopper set up relatively, and first stopper and second stopper are inserted respectively and are located the dead eye of bent axle both sides, make the bent axle rotatory around dead eye central line, and the lever percentage table is located first stopper side, has seted up on the first stopper and has run through the mouth, and the gauge head of lever percentage table is located and runs through in the mouth and gauge head and dead eye inner wall are inconsistent, can measure the concrete numerical value of bent axle dead eye runout through rotatory bent axle dead eye.
Description
Technical Field
The utility model relates to a bent axle dead eye runout detection area especially relates to a bent axle dead eye runout examines utensil.
Background
In the processing of bent axle, bent axle main aspects bearing hole is a common structure, and its runout value generally relies on the lathe to guarantee, but the lathe can receive wearing and tearing according to the service life unavoidably in work, and the bearing hole runout value can not obtain guaranteeing, causes the bearing atress inhomogeneous in the use, and the wearing and tearing aggravation influences work piece life. In the crankshaft machining process, the machining of the big-end bearing hole is generally placed after the semi-fine grinding main journal and before the fine grinding main journal, and the process requires that the detection reference is a conical surface with 60 degrees of holes at two ends. The radial runout of the end surface hole of the existing crankshaft is detected by inserting a check rod into a main shaft, if the check rod can be inserted into the main shaft, the detection is qualified, but the detection method cannot measure the specific numerical value of the radial runout and judge the quality of the crankshaft, and the check rod is easy to wear after being used for a long time, so that the detection result is inaccurate.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a bent axle dead eye runout examines utensil, the concrete numerical value of measurable runout, the bent axle quality is conveniently judged.
The technical scheme of the utility model is realized like this: the utility model provides a bent axle dead eye radial run-out examines utensil, including base, first supporting seat, second supporting seat, first stopper, second stopper and lever percentage table, first supporting seat and second supporting seat set up relatively and all are located the base top, and first stopper is located first supporting seat, and the second stopper is located the second supporting seat, and first stopper and second stopper set up relatively, and first stopper and second stopper are inserted respectively and are located the dead eye of bent axle both sides, make the bent axle rotatory around dead eye central line, and the lever percentage table is located first stopper side, has seted up on the first stopper and has run through the mouth, and the gauge head of lever percentage table is located the run through mouth and gauge head and dead eye inner wall are inconsistent.
On the basis of the above technical scheme, preferably, the first limiting block is a circular truncated cone, the second limiting block is a circular cone, and the first limiting block and the second limiting block are in contact with the inner side walls of the bearing holes on two sides of the crankshaft.
Further preferably, the included angles between the waists of the first limiting block and the second limiting block and the rotating shaft are both 30 degrees.
On the basis of above technical scheme, it is preferred, still include first connecting rod and second connecting rod, it is equipped with first screw hole and second screw hole to open relatively on first supporting seat and the second supporting seat, all be provided with the external screw thread on first connecting rod and the second connecting rod lateral wall, first connecting rod is located first screw hole and with first supporting seat threaded connection, the second connecting rod is located second screw hole and with second supporting seat threaded connection, first connecting rod one end is fixed with first stopper, second connecting rod one end is fixed with the second stopper, the lever percentage table is fixed in on the first connecting rod.
Further preferably, the connecting plate, the positioning plate and the screw rod are included, the groove is formed in the top of the first connecting rod, the connecting plate is fixed in the groove in the top of the first connecting rod, a third threaded hole is formed in the connecting plate, the screw rod is located in the third threaded hole, the positioning plate is fixed at one end of the screw rod, the lever dial indicator is located in the groove, and two ends of the lever dial indicator respectively abut against the positioning plate and the first limiting block.
On the basis of the technical scheme, preferably, the positioning device further comprises two gaskets and two positioning pins, wherein the two gaskets are respectively located between the first supporting seat and the base and between the second supporting seat and the base, first openings are formed in the bottoms of the first supporting seat and the bottom of the second supporting seat, two through holes are formed in two first openings of the two gaskets, two second openings are formed in two through holes in the top of the base, and the positioning pins are located in cavities formed by the first openings, the through holes and the second openings.
The utility model discloses a bent axle dead eye radial run-out examines utensil has following beneficial effect for prior art:
(1) through the through hole formed in the first limiting block, the measuring head of the lever dial indicator is positioned in the through hole and is abutted against the inner wall of the bearing hole, and the specific radial runout value of the crankshaft bearing hole can be measured through rotating the crankshaft; (2) the first limiting block and the second limiting block are in contact with the inner side walls of the bearing holes on the two sides of the crankshaft and the contact surfaces are circular by setting the first limiting block as a circular truncated cone and setting the second limiting block as a circular cone, so that the crankshaft can rotate around the central line of the bearing hole;
(3) through first connecting rod and second connecting rod, the distance between adjustable first stopper and the second stopper conveniently presss from both sides tight bent axle, can all carry out the dead eye radial run-out measurement to different bent axles simultaneously.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a perspective view of a crankshaft bearing hole radial run-out gauge of the present invention;
FIG. 2 is a perspective view of a lever dial indicator of the crankshaft bearing hole radial run-out gauge of the present invention;
FIG. 3 is a structural diagram of a crankshaft bearing hole radial run-out checking fixture of the present invention;
fig. 4 is the utility model discloses a crank shaft bearing hole runout examines lever percentage table and bent axle's structure chart.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
As shown in fig. 1, combine fig. 2-4, the utility model discloses a bent axle dead eye runout examines utensil, it includes base 1, first supporting seat 2, second supporting seat 3, first stopper 4, second stopper 5, lever percentage table 6, first connecting rod 7, second connecting rod 8, connecting plate 9, locating plate 10, screw rod 20, two gaskets 30, two locating pins 40 and bent axle 50.
The base 1 is used for supporting the first supporting seat 2 and the second supporting seat 3. Specifically, the first supporting seat 2 and the second supporting seat 3 are oppositely arranged and are both located at the top of the base 1.
The first supporting seat 2 is used for supporting the first limiting block 4. Specifically, the first limiting block 4 is located on the first supporting seat 2.
The second supporting seat 3 is supported by a second limiting block 5. Specifically, the second limiting block 5 is located on the second supporting seat 3.
The first limiting block 4 and the second limiting block 5 are used for fixing the crankshaft and enabling the crankshaft to rotate around the central line of the bearing hole. Specifically, the first limiting block 4 and the second limiting block 5 are arranged oppositely, and the first limiting block 4 and the second limiting block 5 are respectively inserted into bearing holes at two sides of the crankshaft, so that the crankshaft can rotate around the central line of the bearing holes. The first limiting block 4 and the second limiting block 5 can be in the shape of a cylinder, a cone, etc.
More specifically, the first limiting block 4 is a circular truncated cone, the second limiting block 5 is a circular cone, and the first limiting block 4 and the second limiting block 5 are in contact with the inner side walls of the bearing holes on two sides of the crankshaft. In this way, it is easier to rotate the crankshaft about the center line of the bearing hole than with a cylinder, and it is easier to fix the crankshaft.
More specifically, the included angles between the waists of the first limiting block 4 and the second limiting block 5 and the rotating shaft are both 30 °. Because both ends dead eye all has a 60 conical surface, when the bent axle was rotatory, if the waist of first stopper 4 or second stopper 5 and the contained angle of rotation axis were not 30, then first stopper 4 or second stopper 5 can contradict with the side of 60 conical surfaces, easily leads to 60 conical surfaces to be destroyed when the bent axle is rotatory.
The lever dial indicator 6 is used for measuring the specific radial runout value of the crankshaft bearing hole. Specifically, lever percentage table 6 is located 4 sides of first stopper, has seted up the through-hole on the first stopper 4, and lever percentage table 6's gauge head is located the through-hole and the gauge head is inconsistent with the dead eye inner wall. The specific radial runout value of the crankshaft bearing hole can be measured by rotating the crankshaft.
The first connecting rod 7 and the second connecting rod 8 are used for adjusting the distance between the first limiting block 4 and the second limiting block 5. Specifically, it is equipped with first screw hole and second screw hole to open relatively on first supporting seat 2 and the second supporting seat 3, all be provided with the external screw thread on the lateral wall of first connecting rod 7 and second connecting rod 8, first connecting rod 7 be located first screw hole and with first supporting seat 2 threaded connection, second connecting rod 8 be located second screw hole and with 3 threaded connection of second supporting seat, 7 one ends of first connecting rod are fixed with first stopper 4, 8 one ends of second connecting rod are fixed with second stopper 5, lever percentage table 6 is fixed in on first connecting rod 7. The distance between the first limiting block 4 and the second limiting block 5 can be adjusted to conveniently clamp the crankshafts, and meanwhile, bearing hole radial runout measurement can be carried out on different crankshafts.
The connecting plate 9, the positioning plate 10 and the screw 20 are used for fixing the dial indicator. Specifically, a groove is formed in the top of the first connecting rod 7, the connecting plate 9 is fixed in the groove in the top of the first connecting rod 7, a third threaded hole is formed in the connecting plate 9, the screw rod 20 is located in the third threaded hole, the positioning plate 10 is fixed at one end of the screw rod 20, the lever dial indicator 6 is located in the groove, and two ends of the lever dial indicator are respectively abutted to the positioning plate 10 and the first limiting block 4.
The two spacers 30 and the two positioning pins 40 are used for adjusting the heights of the first support seat 2 and the second support seat 3. Specifically, two gaskets 30 are respectively located between first supporting seat 2 and second supporting seat 3 and base 1, first opening has all been seted up to first supporting seat 2 and second supporting seat 3 bottom, two through holes have been seted up to two relative first opening parts of two gaskets 30, two relative through hole departments in base 1 top have seted up two second openings, locating pin 40 is located the cavity that first opening, through hole and second opening formed. So the height of first supporting seat 2 and second supporting seat 3 can be adjusted by replacing gasket 30, and the crankshaft of different sizes can be measured.
The utility model discloses a theory of operation does: the crankshaft is placed between the first limiting block 4 and the second limiting block 5, the crankshaft is fixed by moving the first connecting rod 7 and the second connecting rod 8, the measuring head of the lever dial indicator 6 is in contact with the inner surface of the large end hole of the crankshaft through the through hole in the first limiting block 4, then the dial indicator is calibrated to zero point, the crankshaft is rotated by 360 degrees, and the maximum value of the reading of the lever dial indicator 6 is a radial runout value.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a bent axle bearing hole run-out examines utensil which characterized in that: comprises a base (1), a first supporting seat (2), a second supporting seat (3), a first limiting block (4), a second limiting block (5) and a lever dial indicator (6);
the first supporting seat (2) and the second supporting seat (3) are oppositely arranged and are both positioned at the top of the base (1);
the first limiting block (4) is positioned on the first supporting seat (2), the second limiting block (5) is positioned on the second supporting seat (3), and the first limiting block (4) and the second limiting block (5) are oppositely arranged;
the first limiting block (4) and the second limiting block (5) are respectively inserted into bearing holes on two sides of the crankshaft, so that the crankshaft can rotate around the central line of the bearing holes;
the lever percentage table (6) is located first stopper (4) side, has seted up the through-hole on first stopper (4), and the gauge head of lever percentage table (6) is located the through-hole in and gauge head and dead eye inner wall are inconsistent.
2. The crankshaft bearing hole radial run-out gauge as claimed in claim 1, wherein: the first limiting block (4) is a circular truncated cone, the second limiting block (5) is a circular cone, and the first limiting block (4) and the second limiting block (5) are in contact with the inner side walls of the bearing holes in two sides of the crankshaft.
3. The crankshaft bearing hole radial run-out gauge as claimed in claim 2, wherein: the included angles between the waists of the first limiting block (4) and the second limiting block (5) and the rotating shaft are both 30 degrees.
4. The crankshaft bearing hole radial run-out gauge as claimed in claim 1, wherein: still include first connecting rod (7) and second connecting rod (8), it is equipped with first screw hole and second screw hole to open relatively on first supporting seat (2) and second supporting seat (3), all be provided with the external screw thread on first connecting rod (7) and second connecting rod (8) lateral wall, first connecting rod (7) be located first screw hole and with first supporting seat (2) threaded connection, second connecting rod (8) be located second screw hole and with second supporting seat (3) threaded connection, first connecting rod (7) one end is fixed with first stopper (4), second connecting rod (8) one end is fixed with second stopper (5), lever percentage table (6) are fixed in on first connecting rod (7).
5. The crankshaft bearing hole radial run-out gauge as claimed in claim 4, wherein: still include connecting plate (9), locating plate (10) and screw rod (20), first connecting rod (7) top is seted up flutedly, connecting plate (9) are fixed in first connecting rod (7) top recess, have seted up the third screw hole on connecting plate (9), and screw rod (20) are located the third screw hole, and screw rod (20) one end is fixed with locating plate (10), and lever percentage table (6) are located the recess and both ends are inconsistent with locating plate (10) and first stopper (4) respectively.
6. The crankshaft bearing hole radial run-out gauge as claimed in claim 1, wherein: still include two gaskets (30) and two locating pins (40), two gaskets (30) are located respectively between first supporting seat (2) and second supporting seat (3) and base (1), first opening has all been seted up to first supporting seat (2) and second supporting seat (3) bottom, two through holes have been seted up to two relative first openings department of two gaskets (30), two second openings have been seted up to two relative through hole departments in base (1) top, locating pin (40) are located the cavity that first opening, through hole and second opening formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021724149.1U CN213067328U (en) | 2020-08-18 | 2020-08-18 | Crankshaft bearing hole radial run-out testing fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021724149.1U CN213067328U (en) | 2020-08-18 | 2020-08-18 | Crankshaft bearing hole radial run-out testing fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213067328U true CN213067328U (en) | 2021-04-27 |
Family
ID=75583188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021724149.1U Active CN213067328U (en) | 2020-08-18 | 2020-08-18 | Crankshaft bearing hole radial run-out testing fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213067328U (en) |
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2020
- 2020-08-18 CN CN202021724149.1U patent/CN213067328U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A radial runout gauge for crankshaft bearing aperture Granted publication date: 20210427 Pledgee: Agricultural Bank of China Danjiangkou Branch Pledgor: DANJIANGKOU DONGFA CRANKSHAFT Co.,Ltd. Registration number: Y2024980014834 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |