CN106017389A - Automobile split type connecting rod aperture measuring device - Google Patents
Automobile split type connecting rod aperture measuring device Download PDFInfo
- Publication number
- CN106017389A CN106017389A CN201610385268.0A CN201610385268A CN106017389A CN 106017389 A CN106017389 A CN 106017389A CN 201610385268 A CN201610385268 A CN 201610385268A CN 106017389 A CN106017389 A CN 106017389A
- Authority
- CN
- China
- Prior art keywords
- expansion sleeve
- mandrel
- connecting rod
- rod aperture
- split connecting
- 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.)
- Pending
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/10—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring diameters
- G01B21/14—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring diameters internal diameters
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- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses an automobile split type connecting rod aperture measuring device comprising a base and a measuring mechanism. The measuring mechanism comprises a mandrel fixedly disposed on the base, an expansion sleeve formed by memory alloy, and a compression spring. The mandrel is provided with a conical part, and the outer part of the expansion sleeve is in the shape of a cylinder. The expansion sleeve is disposed on the mandrel in a sleeved manner, and the expansion sleeve and the conical part are in a wedge-shaped cooperation. The compression spring is disposed between the expansion sleeve and the base. The whole use process of the automobile split type connecting rod aperture measuring device is very simple, and by comparing with conventional ways of replacing the mandrel or using a rotating rod for the split-type connecting rod measurement, steps are saved, and detection time is saved.
Description
Technical field
The present invention relates to automobile connecting bar detection technique field, be specifically related to a kind of automobile Split connecting rod aperture measurement device.
Background technology
Existing automobile Split connecting rod and connecting rod cap install the center distance measurement after binding face processing, in order to ensure the accuracy of measurement data, reduce the impact of Split connecting rod small end pore size not a pair measurement, use the mandrel meeting different tolerance specification customized, examine and determine according to all size size.During measurement, need to measure in advance the concrete numerical value in piston pin hole aperture, from more than 10 kinds of different size apertures, then select the mandrel of correspondence, then integral translation, read the bus numerical value on mandrel by dial gauge.
Owing to the kind of air plug gauge is more, for the most inconvenient in line mass management and control, because the center distance measurement mandrel of different piston pin hole correspondence different size.
Patent No. CN 204228078U discloses a kind of automobile connecting bar self-centering measurement apparatus, including plug and rotating rod, plug is hollow structure, rotating rod stretches into inside plug, is provided with tapered portion and external screw thread in the middle part of rotating rod, is provided with draw-in groove in the middle part of plug, for installing slip, described slip is fastened around on plug by two O, and described plug inwall is provided with female thread, suitable with external screw thread.This measurement apparatus the most manually screws rotating rod, and then plug detects the purpose reaching to detect Split connecting rod.But, the subject matter that the program exists is that manually screwing rotating rod needs to expend the more time.
Summary of the invention
It is an object of the invention to provide a kind of automobile Split connecting rod aperture measurement device that can save the detection time.
For reaching above-mentioned purpose, the base case of the present invention is: automobile Split connecting rod aperture measurement device, including pedestal, also including measuring mechanism, measuring mechanism includes the mandrel being fixedly installed on pedestal, the expansion sleeve being made up of memorial alloy, compression spring, and mandrel is provided with tapered portion, in cylinder outside expansion sleeve, expansion sleeve is sleeved on mandrel, and expansion sleeve and tapered portion wedge-like engagement, compression spring is arranged between expansion sleeve and pedestal.
Operation principle and the advantage of this programme are: when operation is implemented, being kept flat to pedestal by Split connecting rod, the piston pin hole on Split connecting rod is enclosed within measuring mechanism.Being pressed downward against by Split connecting rod, the tapered portion on mandrel can promote expansion sleeve lateral magnification, until expansion sleeve is touched piston pin hole and gradually fixed by frictional force by Split connecting rod, now, compression spring is in compressive state.By Split connecting rod falling head is measured, the numerical value of piston pin hole then just can be calculated by triangular ramp computing formula, after reading numerical values, it is possible to complete the centre-to-centre spacing on Split connecting rod is measured.
Upwards taking out Split connecting rod, under the effect of compression spring, expansion sleeve will move up.Due to the characteristic of memorial alloy, expansion sleeve will return to initial state.This programme whole use process is very simple, compares existing replacing mandrel or by the way of Split connecting rod is measured by rotating rod, saves step, be by contrast and save the detection time.
Preferred version one: based on the preferred version of scheme, the upper end of mandrel is additionally provided with and limits the roller screw that expansion sleeve is deviate from from mandrel.Roller screw can come off from mandrel in order to prevent expansion sleeve, is beneficial to use.
Preferred version two: as the preferred version of prioritization scheme one, the outside of expansion sleeve is additionally provided with annular groove, is provided with the sealing ring being made up of memorial alloy in annular groove.In annular groove, sealing ring is set primarily to utilize sealing ring to strengthen the recovery capability of expansion sleeve further.
Preferred version three: as the preferred version of prioritization scheme two, is also filled with lubricating oil between expansion sleeve and mandrel.On the one hand lubricating oil may be used for reducing temperature, on the other hand also makes expansion sleeve to move on mandrel more flexibly.
Preferred version four: as the preferred version of prioritization scheme three, the bottom of mandrel is additionally provided with positive stop lug boss.Positive stop lug boss is possible to prevent expansion sleeve to move down excess so that expansion sleeve expansion is expanded many.After being provided with positive stop lug boss, it is possible to the piston pin hole being effectively protected on expansion sleeve and Split connecting rod is injury-free.
Accompanying drawing explanation
Fig. 1 is the structural representation of automobile Split connecting rod aperture measurement device embodiment of the present invention.
Detailed description of the invention
Below by detailed description of the invention, the present invention is further detailed explanation:
Reference in Figure of description includes: roller screw 1, mandrel 2, lubricating oil 3, mandrel 4, compression spring 5, sealing ring 6, pedestal 7, tapered portion 41, positive stop lug boss 42.
Embodiment is the most as shown in Figure 1: automobile Split connecting rod aperture measurement device, and including the pedestal 7 for detection Split connecting rod is carried out plane positioning, the measuring mechanism that is arranged on pedestal 7, measuring mechanism includes mandrel 42, expansion sleeve and compression spring 5.In cylinder outside expansion sleeve, the piston pin hole on such Split connecting rod well could coordinate with expansion sleeve.The lower end of mandrel 42 is welded on pedestal 7, and certainly, the lower end of mandrel 42 can also be fixedly connected with pedestal 7 by clamping, the mode such as threaded.Being provided with the cylindrical section for expansion sleeve suit on mandrel 42, the middle part of cylindrical section is additionally provided with the tapered portion 41 matched with expansion sleeve.Expansion sleeve is sleeved on mandrel 42, expansion sleeve and tapered portion 41 wedge-like engagement.
Compression spring 5 is fixedly installed between expansion sleeve and pedestal 7, and in the present embodiment, compression spring 5 is sleeved on mandrel 42.Expansion sleeve uses memorial alloy to be made.Memorial alloy can be titanium-nickel alloy, it is also possible to be gold-cadmium alloy, copper-zinc alloy etc., and memory metal uses more and more extensive at present in a lot of fields, and the characteristic of its maximum is: memorial alloy, after deformation, can return to the state before deformation.
As it is shown in figure 1, the outside of expansion sleeve is additionally provided with annular groove, in annular groove, it is provided with sealing ring 6.Sealing ring 6 in the present embodiment, is also to be used integrated processing mode to be made by memorial alloy.When the outside of expansion sleeve occurs, due to deformation, the situation that cannot restore, sealing ring 6 can aid in the recovery of expansion sleeve.
In order to enable preferably to be fixed by expansion sleeve, the upper end of mandrel 42 is additionally provided with roller screw 1, and roller screw 1 limits expansion sleeve and deviates from from mandrel 42.Further, lubricating oil 3 it is also filled with between expansion sleeve and mandrel 42.Lubricating oil 3 one aspect may be used for reducing temperature, on the other hand also makes expansion sleeve to move on mandrel 42 more flexibly.
During use, being kept flat by Split connecting rod to pedestal 7, the piston pin hole on Split connecting rod is enclosed within measuring mechanism.Being pressed downward against by Split connecting rod, the tapered portion 41 on mandrel 42 can promote expansion sleeve lateral magnification, until expansion sleeve is touched piston pin hole and gradually fixed by frictional force by Split connecting rod, now, compression spring 5 is in compressive state.By Split connecting rod falling head is measured, the numerical value of piston pin hole then just can be calculated by triangular ramp computing formula, after reading numerical values, it is possible to complete the centre-to-centre spacing on Split connecting rod is measured.Upwards taking out Split connecting rod, under the effect of compression spring 5, expansion sleeve will move up and recover to original state.
As it is shown in figure 1, the bottom of mandrel 42 is additionally provided with positive stop lug boss 42.When expansion sleeve moves to the position of positive stop lug boss 42, cannot be further continued for moving down.
Above-described is only the optimal enforcement example of the present invention, and in scheme, the known general knowledge such as concrete structure and characteristic too much describes at this.Should be understood that; for a person skilled in the art, on the premise of without departing from present configuration, it is also possible to make some deformation and improvement; these also should be considered as protection scope of the present invention, and these are all without affecting effect and the practical applicability that the present invention implements.The protection domain that this application claims should be as the criterion with the content of its claim, and the detailed description of the invention in description etc. records the content that may be used for explaining claim.
Claims (5)
1. automobile Split connecting rod aperture measurement device, including pedestal, it is characterized in that, also include that measuring mechanism, described measuring mechanism include the mandrel being fixedly installed on pedestal, compression spring and the expansion sleeve being made up of memorial alloy, described mandrel is provided with tapered portion, in cylinder outside described expansion sleeve, expansion sleeve is sleeved on mandrel, and expansion sleeve and tapered portion wedge-like engagement, described compression spring is arranged between expansion sleeve and pedestal.
Automobile Split connecting rod aperture measurement device the most according to claim 1, it is characterised in that the upper end of described mandrel is additionally provided with and limits the roller screw that expansion sleeve is deviate from from mandrel.
Automobile Split connecting rod aperture measurement device the most according to claim 2, it is characterised in that the outside of described expansion sleeve is additionally provided with annular groove, is provided with the sealing ring being made up of memorial alloy in annular groove.
Automobile Split connecting rod aperture measurement device the most according to claim 3, it is characterised in that be also filled with lubricating oil between described expansion sleeve and mandrel.
Automobile Split connecting rod aperture measurement device the most according to claim 4, it is characterised in that the bottom of described mandrel is additionally provided with positive stop lug boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610385268.0A CN106017389A (en) | 2016-06-03 | 2016-06-03 | Automobile split type connecting rod aperture measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610385268.0A CN106017389A (en) | 2016-06-03 | 2016-06-03 | Automobile split type connecting rod aperture measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106017389A true CN106017389A (en) | 2016-10-12 |
Family
ID=57089385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610385268.0A Pending CN106017389A (en) | 2016-06-03 | 2016-06-03 | Automobile split type connecting rod aperture measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106017389A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109916367A (en) * | 2019-04-01 | 2019-06-21 | 中国船舶重工集团公司第七一九研究所 | A kind of buoyant raft deformation measuring device and measurement method |
| CN115823997A (en) * | 2022-12-09 | 2023-03-21 | 广东嘉元科技股份有限公司 | O-shaped ring diameter uniformity measuring device and measuring method thereof |
-
2016
- 2016-06-03 CN CN201610385268.0A patent/CN106017389A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109916367A (en) * | 2019-04-01 | 2019-06-21 | 中国船舶重工集团公司第七一九研究所 | A kind of buoyant raft deformation measuring device and measurement method |
| CN109916367B (en) * | 2019-04-01 | 2024-02-20 | 中国船舶重工集团公司第七一九研究所 | Floating raft deformation measuring device and measuring method |
| CN115823997A (en) * | 2022-12-09 | 2023-03-21 | 广东嘉元科技股份有限公司 | O-shaped ring diameter uniformity measuring device and measuring method thereof |
| CN115823997B (en) * | 2022-12-09 | 2023-06-23 | 广东嘉元科技股份有限公司 | O-shaped ring diameter uniformity measuring device and measuring method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161012 |
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| WD01 | Invention patent application deemed withdrawn after publication |