CN212409561U - Crankshaft length measuring device - Google Patents
Crankshaft length measuring device Download PDFInfo
- Publication number
- CN212409561U CN212409561U CN202021577912.2U CN202021577912U CN212409561U CN 212409561 U CN212409561 U CN 212409561U CN 202021577912 U CN202021577912 U CN 202021577912U CN 212409561 U CN212409561 U CN 212409561U
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- CN
- China
- Prior art keywords
- connecting block
- connecting rod
- crankshaft
- length
- measuring device
- 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.)
- Expired - Fee Related
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
A crankshaft length measuring device is composed of a V-shaped support, a connecting rod and a connecting block which are connected through a fastener, deep holes are formed in the connecting rod at intervals, the connecting block can freely adjust the installation position on the connecting rod according to the length of a crankshaft, the installation position of the V-shaped support on the connecting rod can be freely adjusted according to the position of a shaft neck, a dial indicator for measuring the length of the crankshaft is installed on the connecting block A, a fastening screw for positioning the crankshaft is installed on the connecting block B, the length of the crankshaft is known according to the reading of the dial indicator on the connecting block A, the installation positions of the connecting block and the V-shaped support on the connecting rod can be freely adjusted according to the model of the crankshaft, so that the measuring device can measure the lengths of crankshafts of all models, when the crankshafts of the same model are measured, only the positions of the V-shaped support and the connecting block, therefore, the crankshaft length measuring device is high in measuring speed, accurate in measuring result and convenient to use.
Description
Technical Field
The utility model relates to a crankshaft length measuring device belongs to machine parts processing technology field.
Background
The shaft necks of the crankshaft are designed in a hollow mode and are formed by connecting each shaft neck with a crank pin and a crank arm, and the crankshaft workpiece has various part models and different sizes and specifications; when the crankshaft is machined, the dimension of the crankshaft needs to be accurately and effectively measured, and the quality of the crankshaft is guaranteed to be qualified.
In a mechanical factory, a vernier caliper or a three-coordinate measuring instrument is commonly used for measuring the length of a crankshaft, but when the crankshaft with a large length is measured, a measuring jaw of the vernier caliper cannot completely grab the crankshaft, so that the correct length of the crankshaft cannot be obtained.
Another has a bent axle length measurement ware by the bottom plate, a supporting seat, the supporting shoe, the locating piece, the universal meter is constituteed, a supporting seat, the supporting shoe, the locating piece sets up on the bottom plate perpendicularly, the universal meter sets up on the supporting seat, the contact and the detection piece contact of universal meter, locating piece and detection piece contact, the supporting seat of this caliber sets up the both sides at the bottom plate with the locating piece is fixed, this kind of fixed mode has improved the efficiency of software testing to the bent axle, but have the limitation that can only measure the bent axle of fixed length, and the supporting shoe is fixed at the middle part of bottom plate, unable journal position along with the bent axle sets up, thereby this caliber can only measure.
Disclosure of Invention
For solving the technical problem that exists among the above-mentioned prior art, the utility model provides a length of the whole model bent axles of measurable quantity, and measuring speed is fast, measuring result is accurate, convenient to use's bent axle length measuring device.
Realize the utility model discloses the technical scheme that the purpose was adopted does, a crankshaft length measuring device, include percentage table 1 and the part of fixed percentage table 1 at least, the part of fixed percentage table 1 includes connecting rod and connecting block A, the fixed setting of percentage table 1 is on connecting block A, connecting block A sets up the one end at the connecting rod, the other end of connecting rod is equipped with connecting block B, be equipped with fastening screw on the connecting block B, be equipped with two V-arrangement supports on the connecting rod, and two V-arrangement supports all are located between the connecting block of both ends, all be equipped with the through-hole that matches with the connecting rod on connecting block A, B and the V-arrangement support and through the through-hole suit on the connecting rod.
To the utility model discloses the further improvement does: the interval is equipped with the deep hole of perpendicular to connecting rod length direction on the connecting rod, and the side all is equipped with the first mounting hole of perpendicular to connecting block width direction on connecting block A, B, and this first mounting hole corresponds with the deep hole size, and the left surface of connecting block A, B all is equipped with the second mounting hole of perpendicular to connecting block length direction, and the second mounting hole corresponds with the sleeve of percentage table 1 and fastening screw's size.
And the left side of connecting block A, B and V-arrangement support is equipped with the pinhole, and the pinhole bottom surface is laminated with the connecting rod upper surface.
And the inner wall of the V-shaped bracket is provided with a metal block.
According to the technical scheme, the utility model provides a crankshaft length measuring device, by V-arrangement support, connecting rod and connecting block are connected and are constituteed through the fastener, the deep hole that the interval was equipped with on the connecting rod, the connecting block can be according to the length free adjustment of bent axle the mounted position on the connecting rod, and the V-arrangement support can be according to the position free adjustment of axle journal on the mounted position on the connecting rod, the percentage table of measuring bent axle length is installed to connecting block A, connecting block B installs the fastening screw that is used for fixing a position the bent axle, the length of bent axle is known according to the reading of percentage table on connecting block A, because connecting block and V-arrangement support can be according to the model free adjustment of bent axle the mounted position on the connecting rod, thereby the measuring device can measure the length of the bent axle of all models, and when measuring the bent axle of the same model, only need set, the position of the fastening screw is required to be adjusted subsequently, so that the crankshaft length measuring device is high in measuring speed, accurate in measuring result and convenient to use.
Drawings
Fig. 1 is a schematic structural view of a crankshaft length measuring device provided by the present invention;
FIG. 2 is a schematic side view of the device for measuring the length of a crankshaft according to the present invention;
in the figure: 1. a dial indicator; 2. connecting a block A; 3. a V-shaped bracket; 4. a connecting rod; 5. a crankshaft; 6. fastening screws; 7. a metal block; 8. and (7) connecting the block B.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
As shown in fig. 1, fig. 2, the bent axle length measuring device that this embodiment provided, including percentage table 1 and the part of fixed percentage table 1, the part of fixed percentage table 1 includes connecting rod 4 and connecting block a2, the fixed setting of percentage table 1 is on connecting block a2, connecting block a2 sets up the one end at connecting rod 4, the other end of connecting rod 4 is equipped with connecting block B8, be equipped with fastening screw 6 on connecting block B8, be equipped with two V-shaped supports 3 on connecting rod 4, and two V-shaped supports 3 all are located between the connecting block of both ends, all be equipped with the through-hole that matches with connecting rod 4 on connecting block A, B and the V-shaped support 3 and adorn on connecting rod 4 through the through-hole cover.
In this embodiment, deep holes perpendicular to the length direction of the connecting rod 4 are formed in the connecting rod 4 at intervals, first mounting holes perpendicular to the width direction of the connecting block are formed in the upper side face of the connecting block A, B, the first mounting holes correspond to the deep holes in size, second mounting holes perpendicular to the length direction of the connecting block are formed in the left side face of the connecting block A, B, and the second mounting holes correspond to the sleeve of the dial indicator 1 and the screw of the fastening screw 6 in size. The connecting block 2 can be freely adjusted in the mounting position of the connecting rod 4 according to the length of the crankshaft 5, and the V-shaped bracket 3 can be freely adjusted in the mounting position of the connecting rod 4 according to the position of the journal, so that the measuring device can measure the length of all types of crankshafts 5.
In other embodiments, the connecting block A, B and the V-shaped bracket 3 have pin holes on their left side surfaces, the bottom surfaces of the pin holes are engaged with the upper surface of the connecting rod, and the connecting block A, B and the V-shaped bracket 3 are fixed to the connecting rod 4 by pins.
In the embodiment, the bottom of the screw is spherical and plays a role in axial positioning, the head of the fastening screw 6 is tightly attached to the surface of the crankshaft 5, and the measuring head of the dial indicator 1 is tightly attached to the surface of the crankshaft 5.
In the embodiment, two smooth metal blocks 7 are arranged at the contact part of the V-shaped support 3 and the crankshaft 5, so that the V-shaped support 3 is prevented from being scratched by the crankshaft 5 when the measuring device is used.
The working principle of the crankshaft length measuring device is as follows: the crankshaft length measuring device is lightly placed on the measured crankshaft 5, the fastening screw 6 is adjusted to fix the crankshaft 5, and the length of the crankshaft 5 is known according to the reading of the dial indicator 1 on the connecting block 2.
In other embodiments, the length of the standard crankshaft 5 is taken as a reference, and the two readings of the dial indicator 1 are combined to determine whether the machined crankshaft 5 is qualified in size.
The utility model discloses a 3 size positions of V-arrangement support on the bent axle length measuring device all can be changed and adjust, the 5 length measurement of bent axle of applicable multiple different specifications, this measuring device simple structure, it is convenient to measure, has practiced thrift manpower and materials, has improved measurement of efficiency.
Claims (4)
1. The utility model provides a crankshaft length measuring device, includes the part of percentage table and fixed percentage table at least, its characterized in that: the part of fixed percentage table includes connecting rod and connecting block A, the percentage table is fixed to be set up on connecting block A, and connecting block A sets up the one end at the connecting rod, and the other end of connecting rod is equipped with connecting block B, is equipped with fastening screw on the connecting block B, is equipped with two V-arrangement supports on the connecting rod, and two V-arrangement supports all are located between the connecting block of both ends, all are equipped with the through-hole that matches with the connecting rod on connecting block A, B and the V-arrangement support and just adorn on the connecting rod through the through-hole.
2. The crankshaft length measuring apparatus according to claim 1, wherein: the connecting rod is provided with deep holes perpendicular to the length direction of the connecting rod at intervals, the upper side face of the connecting block A, B is provided with first mounting holes perpendicular to the width direction of the connecting block, the first mounting holes correspond to the deep holes in size, the left side face of the connecting block A, B is provided with second mounting holes perpendicular to the length direction of the connecting block, and the second mounting holes correspond to the sleeve of the dial indicator and the screw of the fastening screw in size.
3. The crankshaft length measuring apparatus according to claim 1, wherein: the left side of connecting block A, B and V-arrangement support is equipped with the pinhole, and the pinhole bottom surface is laminated with the connecting rod upper surface.
4. The crankshaft length measuring apparatus according to claim 1 or 2, characterized in that: and a metal block is arranged on the inner wall of the V-shaped bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021577912.2U CN212409561U (en) | 2020-08-03 | 2020-08-03 | Crankshaft length measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021577912.2U CN212409561U (en) | 2020-08-03 | 2020-08-03 | Crankshaft length measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212409561U true CN212409561U (en) | 2021-01-26 |
Family
ID=74371416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021577912.2U Expired - Fee Related CN212409561U (en) | 2020-08-03 | 2020-08-03 | Crankshaft length measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212409561U (en) |
-
2020
- 2020-08-03 CN CN202021577912.2U patent/CN212409561U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210126 |