CN203069169U - Axial distance measuring device for engine crankshaft arm - Google Patents
Axial distance measuring device for engine crankshaft arm Download PDFInfo
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- CN203069169U CN203069169U CN 201320067511 CN201320067511U CN203069169U CN 203069169 U CN203069169 U CN 203069169U CN 201320067511 CN201320067511 CN 201320067511 CN 201320067511 U CN201320067511 U CN 201320067511U CN 203069169 U CN203069169 U CN 203069169U
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- axial distance
- engine crankshaft
- measuring
- distance measurement
- measurement mechanism
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Abstract
The utility model discloses an axial distance measuring device, which is used for measuring the axial distance of an engine crankshaft arm. A reference element is fixedly installed on a main journal which is adjacent to the crankshaft arm to be measured, the reference surface thereof is located at an intersection position of the crankshaft arm to be measured and the main journal, a reference end of a measuring assembly is fixed on the reference element, a measuring end thereof is butted against an intersection surface of the crankshaft arm to be measured and an adjacent connecting rod journal, detected parameters are output through a display disk, and the measuring end of the measuring assembly is driven to slide along the intersection surface by a rotating element. Therefore, the measuring element can realize the non-linear measurement so as to realize the measurement of non-linear distance measurement of the crankshaft journal, and has high spatial distance detection precision and simple measurement process.
Description
Technical field
The utility model relates to the survey instrument technical field, particularly a kind of axial distance measurement mechanism of engine crankshaft arm.
Background technology
Bent axle is the main rotary part of engine as the main carrying person of power output, behind installing connecting rods on the bent axle, can accept connecting rod about (back and forth) move and convert thereof into circulation (rotation) and move and afterwards export.
As shown in Figure 1, a kind of typical engine comprises king journal with bent axle, rod journal, crank arm, counterbalance weight, parts such as preceding axle head and back axle head, wherein crank arm is the structure that is used for connecting king journal and rod journal on the bent axle, because king journal cooperates with the spindle hole of engine, rod journal cooperates with piston by connecting rod, thereby driving piston slides up and down in the cylinder hole of engine, the axial distance of crank arm directly influences the deflection of connecting rod and rod journal link, the improper meeting of the axial distance of crank arm causes crankshaft wear, therefore problems such as noise increase need to measure and control this distance and are in the suitable scope.
But, when measuring the axial distance of crank arm, as the close king journal of two ends one end of measuring basis, the other end is near the connecting rod neck, and what need measurement is space length, and existing vernier caliper equal length survey instrument all is to design at the linear measure longimetry on the same plane, accurate measurement space distance, the axial distance of crank arm is measured the mode of always taking to estimate behind the areal survey and is realized that measuring accuracy is lower at present, and measuring process is comparatively loaded down with trivial details.
Therefore, provide a kind of special detection device of measuring at the crank arm axial distance, improve the axial distance measuring accuracy of crank arm, simplify its measuring process, just become the problem that those skilled in the art need solution badly.
The utility model content
The purpose of this utility model provides a kind of axial distance measurement mechanism of engine crankshaft arm, and it has higher space length accuracy of detection at the design feature design of crank arm, and measuring process is comparatively simple.
For solving the problems of the technologies described above, the utility model provides a kind of axial distance measurement mechanism of engine crankshaft arm, comprises reference element, measures assembly and rotatable parts;
Described reference element is fixedly installed in the king journal adjacent with crank arm to be measured, and its reference field is positioned at the intersection of described crank arm to be measured and described king journal;
The reference edge of described measurement assembly is fixed in described reference element, and its measuring junction is resisted against the cross surface mutually of described crank arm to be measured and the rod journal that is adjacent, and detected parameter is exported by display panel;
The measuring junction that described rotating element drives described measurement assembly slides along described phase cross surface.
Preferably, also comprise setting element, described setting element is fixedly installed in described king journal, and described reference element is fixed in described king journal by described setting element.
Preferably, described setting element comprises the V-block that is installed in described king journal respectively, and two described V-blocks connect by web joint, and described measurement assembly is supported in described web joint.
Preferably, the reference edge of described measurement assembly is gauge stand, and described gauge stand is fixed in described reference element by rotating element; The measuring junction of described measurement assembly is for axially being installed on the indicator of described gauge stand, and described indicator is connected with described display panel signal.
Preferably, described rotating element comprises the table clip of fixedlying connected with described datum plate, and described table clip rotates by bearing pin and is installed on described gauge stand, and the axis of described bearing pin is parallel to the axial of described crank arm.
Preferably, described rotating element also comprises wing bolt, and described wing bolt passes described table clip and is fixed in described reference element along the footpath, and its nut outer edge is resisted against described gauge stand.
Preferably, described reference element is datum plate, and described datum plate is anchor ring towards the direction of described indicator.
Preferably, has the spring that radially arranges between described gauge stand and the described indicator.
Axial distance measurement mechanism provided by the utility model, for the axial distance of measuring the engine crankshaft arm, this axial distance measurement mechanism comprises reference element, measures assembly and rotatable parts; Wherein, reference element is fixedly installed in the king journal adjacent with crank arm to be measured, and its reference field is positioned at the intersection of described crank arm to be measured and described king journal, the reference edge of measuring assembly is fixed in reference element, its measuring junction is resisted against the cross surface mutually of crank arm to be measured and the rod journal that is adjacent, and detected parameter is exported by display panel, and rotating element drives the measuring junction of measuring assembly and slides along the phase cross surface.
Like this, in measuring process, determine the reference edge of measurement by reference element, and reference edge and the reference element of measuring sensor fixed, the measuring junction of measuring sensor is the other end of range observation, because measuring sensor can be in the phase cross surface slip of the effect lower edge of rotatable parts crank arm to be measured with king journal, then measuring sensor can be realized non-directional measurement, thereby realize the measurement of the non-rectilinear distance of maneton, have higher space length accuracy of detection, measuring process is comparatively simple.
In a kind of embodiment, rotating element provided by the utility model comprises the table clip of fixedlying connected with datum plate, and this table clip rotates by bearing pin and is installed on gauge stand, and the axis of bearing pin is parallel to the axial of crank arm; Like this, the table clip can rotate around bearing pin, thereby driving gauge stand rotates around bearing pin, and then the measuring junction that drives indicator rotates, thereby form the measurement track that measuring sensor directly makes progress at maneton, this kind structure not only can realize the on-rectilinear movement of measuring sensor, and structure is comparatively simple, and required installing space is less.
In another kind of embodiment, rotating element provided by the utility model also comprises wing bolt, wing bolt passes the table clip and is fixed in reference element along the footpath, and its nut outer edge is resisted against described gauge stand, like this, and when rotating wing bolt, the outer edge of nut drives measuring sensor in the axially-movable of maneton, thereby realize measuring in another direction, so that the vector of two directions motion and can meet the shape of cross surface mutually more, thereby the raising measuring accuracy.
Description of drawings
Fig. 1 is the front view of a kind of embodiment of axial distance measurement mechanism of engine crankshaft arm provided by the utility model;
Fig. 2 is the vertical view of the axial distance measurement mechanism of engine crankshaft arm shown in Figure 1;
Fig. 3 is the side view of the axial distance measurement mechanism of engine crankshaft arm shown in Figure 1.
Embodiment
Core of the present utility model provides a kind of axial distance measurement mechanism of engine crankshaft arm, and it has higher space length accuracy of detection at the design feature design of crank arm, and measuring process is comparatively simple.
In order to make those skilled in the art person understand the utility model scheme better, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 1, Fig. 2 and Fig. 3; Fig. 1 is the front view of a kind of embodiment of axial distance measurement mechanism of engine crankshaft arm provided by the utility model; Fig. 2 is the vertical view of the axial distance measurement mechanism of engine crankshaft arm shown in Figure 1; Fig. 3 is the side view of the axial distance measurement mechanism of engine crankshaft arm shown in Figure 1.
Axial distance measurement mechanism provided by the utility model, for the axial distance of measuring the engine crankshaft arm, this axial distance measurement mechanism comprises reference element, measures assembly and rotatable parts; Wherein, reference element is fixedly installed in the king journal 2 adjacent with crank arm to be measured 1, and its reference field is positioned at the intersection of described crank arm to be measured 1 and described king journal 2, the reference edge of measuring assembly is fixed in reference element, its measuring junction is resisted against the cross surface mutually of crank arm 1 to be measured and the rod journal 3 that is adjacent, and by display panel 41 outputs, rotating element drives the measuring junction of measuring assembly and slides along the phase cross surface with detected parameter.
Preferably, above-mentioned axial distance measurement mechanism can also comprise setting element, and this setting element is fixedly installed in king journal 2, and reference element is fixed in king journal 2 by setting element, so that for reference element provides the location, improve the measuring accuracy of axial distance measurement mechanism.
Above-mentioned setting element can comprise that V-block 51, two V-blocks 51 that are installed in king journal 2 two ends respectively connect by web joint 52, and the measurement assembly is supported in web joint 52; Use V-block 51 reliability of positioning higher, and simple in structure, be particularly useful for the location on the axial workpiece.
Setting element provided by the utility model also is not limited to V-block 51, the also location of implement device by other means, for example form by the bolt location-plate etc.
Like this, in measuring process, determine the reference edge of measurement by reference element, and reference edge and the reference element of measuring sensor fixed, the measuring junction of measuring sensor is the other end of range observation, because measuring sensor can be in the phase cross surface slip of the effect lower edge of rotatable parts crank arm 1 to be measured with king journal 2, then measuring sensor can be realized non-directional measurement, thereby realize the measurement of the non-rectilinear distance of maneton, have higher space length accuracy of detection, measuring process is comparatively simple.
The reference edge of above-mentioned measurement assembly is gauge stand 42, and this gauge stand 42 is fixed in web joint 52 by rotating element; Measure the measuring junction of assembly for axially being installed on the indicator 43 of gauge stand 42, indicator 43 is connected with display panel 41 signals, the effect of gauge stand 42 is about to indicator 43 and is fixed on the datum plate 7, and indicator 43 is main measuring sensors, transfers to display panel 41 after testing distance measures by indicator 43 and shows.
Above-mentioned rotating element comprises the table clip 61 of fixedlying connected with web joint 52, and this table clip 61 rotates by bearing pin 62 and is installed on gauge stand 42, and the axis of bearing pin 62 is parallel to the axial of crank arm; Like this, table clip 61 can rotate around bearing pin 62, thereby driving gauge stand 42 rotates around bearing pin 62, and then the measuring junction that drives indicator 43 rotates, thereby form the measurement track that measuring sensor directly makes progress at maneton, this kind structure not only can realize the on-rectilinear movement of measuring sensor, and structure is comparatively simple, and required installing space is less.
Realize that indicator 43 is not limited to aforesaid way in the rotation that maneton directly makes progress, as long as can realize indicator 43 rotates diametrically with respect to maneton, rotating element also can comprise conventional other rotational structures of using in this area, and the gear of respective direction rotation etc. for example is installed between indicator 43 and maneton.Rotating element also comprises wing bolt 63, wing bolt 63 passes table clip 61 and is fixed in reference element along the footpath, and its nut outer edge is resisted against described gauge stand 42, like this, when rotating wing bolt 63, the outer edge of nut drives measuring sensor in the axially-movable of maneton, thereby realizes measuring in another direction, so that the vector of two directions motions and can meet the shape of cross surface mutually more, thereby raising measuring accuracy.
Same, realize that the rotation of indicator 43 on maneton is axial is not limited to aforesaid way, as long as can realize indicator 43 rotates in the axial direction with respect to maneton, rotating element also can comprise conventional other rotational structures of using in this area, for example can substitute wing bolt 63 with the cam of suitable shape.
The said reference element can be datum plate 7, and datum plate 7 is anchor ring towards the direction of indicator 43, so as the shape of datum plate 7 with measure track and agree with more, thereby further improve measuring accuracy.
Between gauge stand 42 and indicator 43, also has radially the spring that arranges, so that the cooperating of gauge stand 42 and indicator 43.
More than the axial distance measurement mechanism of a kind of engine crankshaft arm provided by the utility model is described in detail.Used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (8)
1. the axial distance measurement mechanism of an engine crankshaft arm is characterized in that, comprises reference element, measures assembly and rotatable parts;
Described reference element is fixedly installed in the king journal (2) adjacent with crank arm to be measured (1), and its reference field is positioned at the intersection of described crank arm to be measured (1) and described king journal (2);
The reference edge of described measurement assembly is fixed in described reference element, and its measuring junction is resisted against the cross surface mutually of described crank arm to be measured (1) and the rod journal that is adjacent (3), and detected parameter is exported by display panel (41);
The measuring junction that described rotating element drives described measurement assembly slides along described phase cross surface.
2. the axial distance measurement mechanism of engine crankshaft arm according to claim 1, it is characterized in that, also comprise setting element, described setting element is fixedly installed in described king journal (2), and described reference element is fixed in described king journal (2) by described setting element.
3. the axial distance measurement mechanism of engine crankshaft arm according to claim 2, it is characterized in that, described setting element comprises the V-block (51) that is installed in described king journal (2) respectively, two described V-blocks (51) connect by web joint (52), and described measurement assembly is supported in described web joint (52).
4. the axial distance measurement mechanism of engine crankshaft arm according to claim 3 is characterized in that, the reference edge of described measurement assembly is gauge stand (42), and described gauge stand (42) is fixed in described reference element by rotating element; The measuring junction of described measurement assembly is for axially being installed on the indicator (43) of described gauge stand (42), and described indicator (43) is connected with described display panel (41) signal.
5. the axial distance measurement mechanism of engine crankshaft arm according to claim 4, it is characterized in that, described rotating element comprises the table clip (61) of fixedlying connected with described web joint (52), described table clip (61) rotates by bearing pin (62) and is installed on described gauge stand (42), and the axis of described bearing pin (62) is parallel to the axial of described crank arm.
6. the axial distance measurement mechanism of engine crankshaft arm according to claim 5, it is characterized in that, described rotating element also comprises wing bolt (63), described wing bolt (63) passes described table clip (61) and is fixed in described reference element along the footpath, and its nut outer edge is resisted against described gauge stand (42).
7. according to the axial distance measurement mechanism of each described engine crankshaft arm of claim 1 to 6, it is characterized in that described reference element is datum plate (7), and described datum plate (7) is anchor ring towards the direction of described indicator (43).
8. according to the axial distance measurement mechanism of each described engine crankshaft arm of claim 1 to 6, it is characterized in that having the spring that radially arranges between described gauge stand (42) and the described indicator (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320067511 CN203069169U (en) | 2013-02-05 | 2013-02-05 | Axial distance measuring device for engine crankshaft arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320067511 CN203069169U (en) | 2013-02-05 | 2013-02-05 | Axial distance measuring device for engine crankshaft arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203069169U true CN203069169U (en) | 2013-07-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320067511 Withdrawn - After Issue CN203069169U (en) | 2013-02-05 | 2013-02-05 | Axial distance measuring device for engine crankshaft arm |
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| Country | Link |
|---|---|
| CN (1) | CN203069169U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075990A (en) * | 2013-02-05 | 2013-05-01 | 潍柴动力股份有限公司 | Axial distance measuring device of crank arm of engine |
-
2013
- 2013-02-05 CN CN 201320067511 patent/CN203069169U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075990A (en) * | 2013-02-05 | 2013-05-01 | 潍柴动力股份有限公司 | Axial distance measuring device of crank arm of engine |
| CN103075990B (en) * | 2013-02-05 | 2015-09-09 | 潍柴动力股份有限公司 | A kind of axial distance measurement mechanism of engine crankshaft arm |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130717 Effective date of abandoning: 20150909 |
|
| RGAV | Abandon patent right to avoid regrant |