CN201993093U - Piston measuring system and piston measuring device - Google Patents
Piston measuring system and piston measuring device Download PDFInfo
- Publication number
- CN201993093U CN201993093U CN2010206809727U CN201020680972U CN201993093U CN 201993093 U CN201993093 U CN 201993093U CN 2010206809727 U CN2010206809727 U CN 2010206809727U CN 201020680972 U CN201020680972 U CN 201020680972U CN 201993093 U CN201993093 U CN 201993093U
- Authority
- CN
- China
- Prior art keywords
- sensor
- bow
- piston
- vertical rod
- cross bar
- 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
Links
Images
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model relates to a piston measuring device, which comprises a vertical rod, a horizontal rod, a measuring bow, a coordinate plate, a vertical rod sensor, a measuring bow sensor, a coordinate plate sensor and a base. The vertical rod is vertically arranged on the base and is provided with a vertical track extending in the vertical direction; the horizontal rod is matched with the vertical track and is provided with a horizontal track extending in the horizontal direction; one end of the measuring bow is matched with the horizontal track; the coordinate plate is arranged on the upper surface of the base in a rotating way; the vertical rod sensor is arranged on the base and is used for measuring the displacement of the horizontal rod relative to the vertical rod; the measuring bow sensor is arranged on the measuring bow and is used for measuring the displacement of the measuring bow relative to the horizontal rod; and the coordinate plate sensor is arranged on the upper surface of the base and is used for measuring the rotating angle of the coordinate plate relative to the base. The utility model also relates to a piston measuring system with the piston measuring device. Since only center alignment and sliding are needed and multiple sensors are adopted, the piston measuring device is easy to adjust and operate while the measuring accuracy is guaranteed.
Description
Technical field
The utility model relates to the precision measurement field, more particularly, relates to a kind of piston measurement mechanism.The utility model also relates to a kind of piston measuring system that comprises this piston measurement mechanism.
Background technology
Current, along with the continuous development of society, the development of manufacturing is swift and violent, and is more and more higher to the every performance demands of piston, under this new prerequisite, the piston survey instrument also had higher requirement, and promptly will realize high speed, high precision and systematized measurement.
See also Fig. 1, Fig. 1 is the piston skirt schematic cross-section.A is the major diameter of outside piston among the figure, b is the minor axis of outside piston, to plunger designs the time, the xsect of outside piston is designed to ellipse and is not positive circle, and difference along with height on the cylindrical, the ovality of cross section taken in correspondence ellipse is also different, and this ovality changes with predetermined rule, and the longitudinal section that makes piston is a cydariform.That is to say that according to the variation of depth pistion and circumferential position, its external diameter has corresponding variation; In order to obtain the external diameter of piston side face diverse location, just need measure its height and angle simultaneously.This has brought difficulty with regard to the measurement of giving piston.
In order to realize that piston is measured, traditional piston survey instrument comprises common clock gauge, micrometer callipers, special gage etc., obviously because measuring accuracy is low, record, calculates loaded down with trivial detailsly, and inefficiency seldom is used for precision measurement by quality testing department.
Yet at present in the precision measurement field, comparatively Xian Jin piston survey instrument has three coordinate measuring machine, roundness measuring equipment and universal tool-measuring microscope etc.Though the measuring accuracy of these piston survey instruments can meet the demands, because its adjustment time is long, the measurement procedure complexity needs the operator to have certain quality and experience, thereby the high density that also is not suitable for quality testing department is used.
Therefore, how when guaranteeing piston measurement mechanism measuring accuracy, simplifying its adjustment and operating process, is the present technical issues that need to address of those skilled in the art.
The utility model content
For this reason, a purpose of the present utility model provides a kind of piston measurement mechanism, and this piston measurement mechanism can make measurement adjustment and operating process easier when guaranteeing measuring accuracy.
On the basis that above-mentioned piston measurement mechanism is provided, another purpose of the present utility model provides a kind of piston measuring system that comprises this piston measurement mechanism.
For realizing above-mentioned first purpose, the utility model provides following technical scheme:
A kind of piston measurement mechanism comprises vertical rod, cross bar, survey bow, coordinatograph, vertical rod sensor, surveys bow sensor, coordinatograph sensor and base;
Described vertical rod vertically is installed on the described base;
Described vertical rod has the long rails of vertical extension, and described cross bar matches with described long rails;
Described cross bar has the cross track of horizontal expansion, and an end of described survey bow cooperates with described cross track;
Described coordinatograph is rotatably mounted in described base upper surface;
Described vertical rod sensor is installed on described base, is used to measure the displacement of described cross bar with respect to vertical rod;
Described survey bow sensor is installed on described survey bow, is used to measure the displacement of described survey bow with respect to cross bar;
Described coordinatograph sensor is installed on described base upper surface, is used to measure the anglec of rotation of described coordinatograph with respect to base.
Preferably, described vertical rod sensor is the grating post, and described grating post has the grating seam parallel with the vertical rod bearing of trend.
Preferably, described survey bow sensor is installed on the other end of described survey bow.
Preferably, described piston measurement mechanism also comprises the stationary shaft that is fixed in described base upper surface, and described coordinatograph is rotatably mounted in described stationary shaft.
Preferably, described piston measurement mechanism also comprises the rotatable turning axle that is installed on described base upper surface, and described coordinatograph is fixed in an end of described turning axle.
Preferably, described piston measurement mechanism also comprises handle, horizontal bevel gear and vertical bevel gear, described handle is rotatably mounted in the lateral wall of described base, the axle of its handle extends to the inner space of described base, described horizontal bevel gear is installed on the axle of described handle, described vertical bevel gear is installed on described turning axle, and described vertical bevel gear is meshed with described vertical bevel gear.
Preferably, the middle part of described cross bar is provided with the cross bar through hole, and described vertical rod side face forms long rails, and described vertical rod runs through described cross bar through hole.
Preferably, an end of described survey bow is provided with surveys the bow through hole, and described cross bar side face forms cross track, and described cross bar runs through described survey bow through hole.
For realizing above-mentioned second purpose, the utility model provides a kind of piston measuring system, comprises controller and above-mentioned any piston measurement mechanism, and described controller links to each other with the coordinatograph sensor with described vertical rod sensor, survey bow sensor.
Preferably, described piston measuring system also comprises data collecting card, and described controller links to each other with the coordinatograph sensor with described vertical rod sensor, survey bow sensor by described data collecting card.
Relative above-mentioned background technology, the utility model provides a kind of piston measurement mechanism, and this measurement mechanism comprises vertical rod, cross bar, survey bow, coordinatograph, vertical rod sensor, surveys bow sensor, coordinatograph sensor and base; Wherein the long rails of vertical extension is vertically extended and has in vertical rod, and the lower end of this vertical rod is installed on the base upper surface; Cross bar is installed on this vertical rod, matches with the long rails of this vertical rod, so that cross bar can be that in the vertical direction moves with respect to vertical rod on the long rails direction, the bearing of trend of cross bar can be vertical with vertical rod; Cross bar has the cross track of horizontal expansion, an end of surveying bow is installed on this cross bar, and cooperates with cross track, and to bend can be that the bearing of trend of cross bar moves with respect to cross bar on track crosswise direction so that survey, normal conditions are surveyed bow and are had the arc rod shaped structure, with corresponding with the piston outline; Coordinatograph is rotatable to be installed on the base upper surface; The vertical rod sensor is installed on base, is used to measure the displacement of cross bar with respect to vertical rod; Survey the bow sensor and be installed on the survey bow, be used to measure the displacement of bow with respect to cross bar; The coordinatograph sensor is installed on the upper surface of base, is used to measure the anglec of rotation of coordinatograph with respect to base.When the piston measurement mechanism that utilizes the utility model to provide, the piston that needs are measured is positioned on the described coordinatograph, and the rotation center that is marked on the geometric center that makes piston and the coordinatograph is aimed at; After its aligning adjustment finishes, the measurement point of surveying the bow sensor is contacted with the cylindrical of piston, establish datum mark; Then, the rotational coordinates dish can change the circumferential position of measurement point, cross bar is moved with respect to vertical rod, can change the height and position of measurement point, the measurement point that keeps surveying the bow sensor contacts with the cylindrical of piston, can measure the radial displacement between predetermined point and the datum mark; Can obtain the radial displacement between a plurality of predetermined points of piston and the datum mark by the way, thereby obtain the relation of location parameter with the location parameter of datum mark of predetermined points according to three sensors, and then the ovality in acquisition cross section, differing heights position.
By the structure of above-mentioned piston measurement mechanism and its principle of work as can be known, the rotation center that is marked on this piston measurement mechanism geometric center of only needing piston that needs are measured and the coordinatograph is aimed at and is got final product; And since its operation only need with cross bar along the longitudinal the track in the vertical direction move with respect to vertical rod, survey is bent transversely, and track moves with respect to cross bar on the bearing of trend of cross bar, coordinatograph shifts moving in the base upper surface inward turning, so measurement procedure is easy; And in this piston measurement mechanism, used vertical rod sensor, survey bow sensor and this a series of sensor of coordinatograph sensor, thereby guaranteed that also this measurement result precision is higher.Because above series of advantages, so the suitable systematization of this kind piston measurement mechanism, highdensity use.
Description of drawings
Fig. 1 is the piston skirt schematic cross-section;
The front view of the piston measurement mechanism that Fig. 2 is provided for the utility model embodiment;
Fig. 3 is that A among Fig. 2 is to view;
Fig. 4 is that B among Fig. 2 is to partial enlarged drawing;
Fig. 5 is the structural representation of a kind of piston measuring system provided by the utility model.
Embodiment
The purpose of this utility model provides a kind of piston measurement mechanism, and this piston measurement mechanism is simplified its adjustment and operating process when guaranteeing measuring accuracy, thereby further suitable systematization, high density are used.
Another purpose of the present utility model provides a kind of piston measuring system, makes its measurement have high speed, high-precision advantage.
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is carried out clear, complete description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making all other embodiment that obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
See also Fig. 2 and Fig. 3, the front view of the piston measurement mechanism that Fig. 2 is provided for the utility model embodiment; Fig. 3 is that A among Fig. 2 is to view.
The piston measurement mechanism that this embodiment provided comprises vertical rod 1, cross bar 2, survey bow 3, coordinatograph 7, vertical rod sensor, surveys bow sensor 4, coordinatograph sensor and base 9.
Wherein, the long rails of vertical extension is vertically extended and has in vertical rod 1, and the lower end of vertical rod 1 is installed on the upper surface of base 9; Cross bar 2 is installed in the vertical rod 1, matches with the long rails of vertical rod 1; The bearing of trend of cross bar 2 can be vertical with vertical rod 1, the middle part of cross bar 2 can be provided with a cross bar through hole, vertical rod 1 side face forms long rails, vertical rod 1 just runs through the cross bar through hole and cross bar 2 is slidingly matched like this, the outside wall surface of cross bar through-hole wall face and vertical rod 1 should possess suitable matching relationship usually, so that cross bar 2 can be that in the vertical direction moves with respect to vertical rod 1 on the long rails direction.Such as can being suitable interference fit or transition fit, can be on demand sliding or keep static along the long rails of vertical rod 1 to guarantee cross bar 2.Can certainly adopt other flexible connection form, as adopting at vertical rod 1 and cross bar 2 threaded rod and the threaded hole that cooperatively interacts is set respectively, it is up and down along the bearing of trend of vertical rod 1 to drive cross bar 2 by the rotation threaded rod.
Cross bar 2 has the cross track of horizontal expansion, and an end of surveying bow 3 is installed on the cross bar 2, and cooperates with cross track, and to bend 3 can be that the bearing of trend of cross bar 2 moves with respect to cross bar 2 on track crosswise direction so that survey; Generally, surveying bow 3 is an arc rod shaped structure, and with corresponding with piston profile, the one end is provided with surveys the bow through hole, and cross bar 2 side faces form cross track, and cross bar 2 runs through surveys the bow through hole; Owing to the centre position that is arranged on cross bar 2 with the cross tube through hole generally speaking, therefore, can be provided with two and survey bow 3, and an end that makes each survey bow 3 cooperates with an end of cross bar 2; The survey bow through-hole wall face at this place and the matching relationship of cross bar 2 outside wall surface equally also can go processing according to above processing request to cross bar through-hole wall face and vertical rod 1 outside wall surface.Coordinatograph 7 is rotatably mounted in the upper surface of base 9; The vertical rod sensor is installed on the upper surface of base 9, is used to measure the displacement of cross bar 2 with respect to vertical rod 1; The vertical rod sensor can selective light stake 5, and grating post 5 can be nestled in vertical rod 1 inboard, and this grating post 5 has the grating seam 6 parallel with vertical rod 1 bearing of trend, by the 6 induction tests of grating seam; Survey bow sensor 4 and be installed on and survey on the bow 3, be used to measure bow 3 displacements with respect to cross bar 2, generally speaking should surveys bow sensor 4 can selections be installed in survey and bend 3 the other end, as shown in Figure 4, Fig. 4 is that B among Fig. 2 is to partial enlarged drawing; So just can make full use of the length of surveying bow 3; The coordinatograph sensor is installed on the upper surface of base 9, be used to measure the anglec of rotation of coordinatograph 7 with respect to base 9, certainly the coordinatograph sensor can also be arranged on the coordinatograph 7, this situation coordinatograph sensor also can be measured the relative rotation angle of coordinatograph 7 and base 9, the coordinatograph sensor can adopt grating, and utilizing the grating seam of grating to measure coordinatograph 7 is the measured point on the outside piston and the anglec of rotation between the reference point with respect to the anglec of rotation of base 9.
In embodiment provided by the utility model, coordinatograph 7 is rotatable to be installed on the upper surface of base 9; The stationary shaft of the upper surface that is fixed in base 9 can be set, and coordinatograph 7 is rotatably mounted on this stationary shaft, so just can realize the rotation of coordinatograph 7 with respect to base 9; Can also be provided with base 9 between the rotatable turning axle that links to each other, and make coordinatograph 7 be fixed in an end of this turning axle, the rotation by turning axle realizes the rotation of coordinatograph 7 with respect to base 9.Because the motion of coordinatograph 7 is and rotatablely moves under above-mentioned both of these case, therefore the shape for coordinatograph 7 is preferably circle.
Direct rotational coordinates dish 7 also can be by being provided with the indirect rotational coordinates dish 7 of a series of gearing to above-mentioned second kind of situation, thereby realize being positioned over the rotation of the tested member on the coordinatograph 7.Above-mentioned gearing generalized case can comprise handle 8, horizontal bevel gear and vertical bevel gear; Handle 8 is rotatably mounted in the lateral wall of base 9, and the axle of handle 8 extends to the inner space of base 9; Normal conditions are chosen between handle 8 and base 9 sidewalls installs bearing and realizes that handle 8 is with respect to base 9 rotations; Vertical bevel gear is installed on the axle of handle 8; Vertically bevel gear is installed on the turning axle; Vertical bevel gear is meshed with vertical bevel gear.For this transmission mode, by horizontal bevel gear and the vertical ratio of gear between the bevel gear or other structure is set changing the direction of acting force are set, thereby make coordinatograph 7 rotations more convenient, easily.
When needs are measured member as the measurement outside piston, the piston 12 that needs are measured is positioned on the coordinatograph 7, and the rotation center that is marked on the geometric center that makes piston 12 and the coordinatograph 7 aims at, and can find piston 12 rotation centers automatically accurately by certain robot is installed; After its aligning adjustment finishes, the measurement point of surveying bow sensor 4 is contacted with the cylindrical of piston 12, establish datum mark; Then, rotational coordinates dish 7 can change the circumferential position of measurement point, by the relative rotation angle of coordinatograph sensor measurement coordinatograph 7 with base 9; Cross bar 2 is moved with respect to vertical rod 1, can change the height and position of measurement point, by the displacement of vertical rod sensor measurement cross bar 2 with respect to vertical rod 1, the measurement point that keeps surveying bow sensor 4 contacts with the cylindrical of piston 12, can measure the radial displacement between predetermined point and the datum mark; Can obtain the radial displacement between a plurality of predetermined points and the datum mark by the way, thereby obtain the relation of predetermined point location parameter and datum mark location parameter according to three sensors, and then obtain the ovality in cross section, differing heights position, so just can record the individual external diameter of putting of whole outside piston.
The description by the above example structure that the utility model is provided and the course of work of measuring outside piston be as can be known: this piston measurement mechanism only needs the rotation center that is marked on the geometric center of piston and the coordinatograph aimed at and gets final product; And since its operation only need with cross bar along the longitudinal the track in the vertical direction move with respect to vertical rod, survey is bent transversely, and track moves with respect to cross bar on the bearing of trend of cross bar, coordinatograph rotates in base upper surface, so adjustment and measurement procedure are easy; And in this piston measurement mechanism, used vertical rod sensor, survey bow sensor and this a series of sensor of coordinatograph sensor, thereby make this measuring accuracy height.Because above series of advantages, so the suitable systematization of this kind piston measurement mechanism, highdensity use.
The utility model also provides a kind of piston measuring system that comprises any one piston measurement mechanism in the foregoing description, in order to further describe this piston measuring system, see also Fig. 5, Fig. 5 is the structural representation of a kind of piston measuring system provided by the utility model.
Piston measuring system provided by the utility model comprises the controller that the piston measurement mechanism described in above-mentioned each embodiment is used in addition, generalized case those of ordinary skills preferably adopt computer 11 as controller, and controller 11 links to each other with the coordinatograph sensor with vertical rod sensor, survey bow sensor 4.By computer 11 the measured data of each sensor are carried out analyzing and processing.
For above-mentioned piston measuring system, data collecting card 10 can also preferably be set, controller links to each other with the coordinatograph sensor with vertical rod sensor, survey bow sensor 4 by data collecting card 10, thereby the data that can gather each sensor earlier gather by data collecting card 10, and then are transferred to controller and carry out analyzing and processing.
The principle of work of this piston measuring system is as follows: the relevant reference data of importing measured piston 12 in advance in the software of controller such as computer 11, piston 12 is positioned on the coordinatograph 7, by machinery or manual adjustments, make piston 12 rotations, cross bar 2 liftings, vertical rod this moment sensor, survey bow sensor 4, the coordinatograph sensor sensing is measured, then with the vertical rod sensor, be to software analysis behind data input controller that survey bow sensor 4 and coordinatograph sensor are measured such as the computer 11, thereby draw the position relation between future position and the reference point, and then draw the outside piston shape by analysis.So just can accomplish synchronization monitoring in-situ processing state, to guarantee the quality of piston processing.
Because what above-mentioned system adopted is that a series of sensors come image data, and be, so this piston measuring system have high-speed cruising, high-precision advantage with controller related software analyzing and processing data.
For piston measurement mechanism and piston measuring system that the foregoing description provided, except that the measurement that is used for the outside piston ellipse, can also be used to the measurement that has the circle of being similar to or be similar to the cylindrical of oval-shaped product, during certainly to the measurement of the cylindrical of these products, the piston measurement mechanism also has the measuring accuracy height, be applicable to the advantage of systematization, highdensity use, the piston measuring system has high-speed cruising and high-precision advantage.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from spirit or scope of the present utility model in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will accord with principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (10)
1. a piston measurement mechanism is characterized in that, comprises vertical rod, cross bar, survey bow, coordinatograph, vertical rod sensor, surveys bow sensor, coordinatograph sensor and base;
Described vertical rod vertically is installed on the described base;
Described vertical rod has the long rails of vertical extension, and described cross bar matches with described long rails;
Described cross bar has the cross track of horizontal expansion, and an end of described survey bow cooperates with described cross track;
Described coordinatograph is rotatably mounted in described base upper surface;
Described vertical rod sensor is installed on described base, is used to measure the displacement of described cross bar with respect to vertical rod;
Described survey bow sensor is installed on described survey bow, is used to measure the displacement of described survey bow with respect to cross bar;
Described coordinatograph sensor is installed on described base upper surface, is used to measure the anglec of rotation of described coordinatograph with respect to base.
2. piston measurement mechanism as claimed in claim 1 is characterized in that, described vertical rod sensor is the grating post, and described grating post has the grating seam parallel with the vertical rod bearing of trend.
3. piston measurement mechanism as claimed in claim 2 is characterized in that, described survey bow sensor is installed on the other end of described survey bow.
4. piston measurement mechanism as claimed in claim 1 is characterized in that, also comprises the stationary shaft that is fixed in described base upper surface, and described coordinatograph is rotatably mounted in described stationary shaft.
5. piston measurement mechanism as claimed in claim 1 is characterized in that, also comprises the rotatable turning axle that is installed on described base upper surface, and described coordinatograph is fixed in an end of described turning axle.
6. piston measurement mechanism as claimed in claim 5, it is characterized in that, also comprise handle, horizontal bevel gear and vertical bevel gear, described handle is rotatably mounted in the lateral wall of described base, the axle of its handle extends to the inner space of described base, described horizontal bevel gear is installed on the axle of described handle, and described vertical bevel gear is installed on described turning axle, and described vertical bevel gear is meshed with described vertical bevel gear.
7. as each described piston measurement mechanism of claim 1 to 6, it is characterized in that the middle part of described cross bar is provided with the cross bar through hole, described vertical rod side face forms long rails, and described vertical rod runs through described cross bar through hole.
8. as each described piston measurement mechanism of claim 1 to 6, it is characterized in that an end of described survey bow is provided with surveys the bow through hole, described cross bar side face forms cross track, and described cross bar runs through described survey bow through hole.
9. a piston measuring system is characterized in that, comprises each described piston measurement mechanism of controller and claim 1 to 8, and described controller links to each other with the coordinatograph sensor with described vertical rod sensor, survey bow sensor.
10. piston measuring system as claimed in claim 9 is characterized in that, also comprises data collecting card, and described controller links to each other with the coordinatograph sensor with described vertical rod sensor, survey bow sensor by described data collecting card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206809727U CN201993093U (en) | 2010-12-24 | 2010-12-24 | Piston measuring system and piston measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206809727U CN201993093U (en) | 2010-12-24 | 2010-12-24 | Piston measuring system and piston measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201993093U true CN201993093U (en) | 2011-09-28 |
Family
ID=44669579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206809727U Expired - Fee Related CN201993093U (en) | 2010-12-24 | 2010-12-24 | Piston measuring system and piston measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201993093U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107192367A (en) * | 2017-05-11 | 2017-09-22 | 湖北大帆汽车零部件有限公司 | A kind of new diaphragm spring tilt angle measuring apparatus |
| CN108458677A (en) * | 2018-02-07 | 2018-08-28 | 广西玉柴机器股份有限公司 | The method that piston pinhole is detected on roundness measuring equipment |
| CN111023939A (en) * | 2020-01-07 | 2020-04-17 | 陕西柴油机重工有限公司 | Detection tool and method for detecting overall dimension of conical elliptical piston skirt |
-
2010
- 2010-12-24 CN CN2010206809727U patent/CN201993093U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107192367A (en) * | 2017-05-11 | 2017-09-22 | 湖北大帆汽车零部件有限公司 | A kind of new diaphragm spring tilt angle measuring apparatus |
| CN108458677A (en) * | 2018-02-07 | 2018-08-28 | 广西玉柴机器股份有限公司 | The method that piston pinhole is detected on roundness measuring equipment |
| CN111023939A (en) * | 2020-01-07 | 2020-04-17 | 陕西柴油机重工有限公司 | Detection tool and method for detecting overall dimension of conical elliptical piston skirt |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101561349B (en) | Large gear detecting method and detecting device | |
| CN102937409B (en) | Polar coordinate gear measurement center and zero calibrating method thereof | |
| CN202101656U (en) | Double-measuring head structure | |
| CN109163680A (en) | A kind of contactless Deep Hole Straightness Test Device and method | |
| CN107084673A (en) | A kind of the measurement detection means and detection method of motor vehicle wheels external diameter and internal diameter | |
| CN201397107Y (en) | Measuring tool for detecting vibration damper connecting rod | |
| CN107356222B (en) | 5 cylindricity error separate measurement methods | |
| CN102735179A (en) | Device and method for measuring diameter of bearing and radius of rolling path | |
| CN107063091A (en) | For big L/D ratio pipe fitting endoporus measuring multiple parameters device and method | |
| CN105509595A (en) | Runout detection apparatus | |
| CN102636137A (en) | REVO (Resident Encrypted Variable Output) measuring head position posture calibrating method in joint arm type coordinate measuring machine | |
| CN101357444A (en) | On-machine measuring device of blade rack gauge head for on-machine measuring gearwheel deviation | |
| CN102012211B (en) | Three pairs of sliding pair-spherical hinge-spherical hinge (3-PSS) mechanism-based coordinate measuring machine | |
| CN102818501B (en) | Arc radius measuring device | |
| CN103206939B (en) | A kind of pivoting support raceway pick-up unit and detection method thereof | |
| CN201993093U (en) | Piston measuring system and piston measuring device | |
| CN105758285B (en) | Large cylindrical profile on-line measurement reconstructing method based on parallel error separation method | |
| CN103630098B (en) | The non-contact detection method of straight-line displacement platform Motion Parallel degree | |
| CN207180613U (en) | Non-contact type bearing lasso external diameter measuring device | |
| CN100573029C (en) | Rotating telescopic vehicle measuring apparatus | |
| CN102809342B (en) | Aligning mechanism for arc radius measuring device | |
| CN102654384A (en) | Dynamic radius positioning direct measurement method of rotary-platform-type precision centrifugal machine | |
| CN202648637U (en) | Measuring device | |
| CN202648613U (en) | Curve direct-display intelligent roller shape measuring instrument | |
| CN204903089U (en) | Eccentric test fixture of non - regular solid of revolution barycenter with adjustable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110928 Termination date: 20171224 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |