CN203881286U - A combined piston coaxiality detection measuring tool - Google Patents
A combined piston coaxiality detection measuring tool Download PDFInfo
- Publication number
- CN203881286U CN203881286U CN201420243813.9U CN201420243813U CN203881286U CN 203881286 U CN203881286 U CN 203881286U CN 201420243813 U CN201420243813 U CN 201420243813U CN 203881286 U CN203881286 U CN 203881286U
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- China
- Prior art keywords
- piston
- base plate
- fixed
- slide block
- lifting table
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- Expired - Fee Related
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Abstract
The utility model discloses a combined piston coaxiality detection measuring tool comprising a bottom plate, a lift table, a stand pillar, sliders, guide pillars, a cover plate, dial gauges, a piston limiting mechanism and a lift driving mechanism. The two ends of each guide pillar are fixed to the bottom plate and the cover plate. The lift table is in sliding connection with the guide pillars. The lift driving mechanism drives the lift table to slide up and down along the guide pillars. The stand pillar is fixed on the lift table. The sliders are in sliding connection with the stand pillar and screws are used for position fixation. The dial gauges are fixed on the sliders, measuring probes thereof penetrating through the sliders. Two groups of the sliders and the dial gauges are arranged. The piston limiting mechanism is arranged on the bottom plate. The combined piston coaxiality detection measuring tool is simple in structure, is light, is low in manufacture cost, is convenient for maintenance, is high in detection reliability and can effectively increase the piston coaxiality detection working efficiency.
Description
Technical field
The utility model relates to a kind of built-up piston right alignment test measuring device.
Background technology
Diesel engine composite piston is mainly made up of two parts; be piston top and piston skirt; conventionally when piston top and skirt combination are assembled, to ensure that right alignment is each other not more than 0.03mm; as piston top and skirt right alignment not good; when diesel engine running; easily cause occurring that piston pulls inboard wall of cylinder liner phenomenon, damage diesel engine, so will guarantee by technical requirement the right alignment of top and skirt in the time of Piston assembling.
Mainly detect combination piston coaxial degree by large-scale electronic detector equipment at present, this type of instrument and equipment complex structure, cost is high, and maintenance is more difficult, and the work efficiency of detection is lower.Therefore be necessary that design is a kind of simple in structure, light, cost of manufacture is low, and maintenance is convenient, and the built-up piston right alignment test measuring device that detecting reliability is high improves the work efficiency that piston coaxial degree detects.
Utility model content
The purpose of this utility model is to provide a kind of simple in structure, light, and cost of manufacture is low, and maintenance is convenient, and the built-up piston right alignment test measuring device that detecting reliability is high improves the work efficiency that piston coaxial degree detects.
The technical scheme that realizes the utility model object is: a kind of built-up piston right alignment test measuring device, comprises base plate, lifting table, column, slide block, guide pillar, cover plate, dial gauge, piston limit mechanism and lift drive mechanism; Described guide pillar two ends are separately fixed on base plate and cover plate; Described lifting table and guide pillar are slidably connected; Described lift drive mechanism drives lifting table to slide up and down along guide pillar; Described column is fixed on lifting table; Described slide block and column are slidably connected, and by screw fixed position; Described dial gauge is fixed on slide block, and its chaining pin is through slide block; Described slide block and dial gauge are provided with two groups; Described piston limit mechanism is arranged on base plate.
Described lift drive mechanism comprises leading screw and handwheel; Bottom and the base plate of described leading screw are rotationally connected, and its upper end is through cover plate; Described handwheel is fixed on the top of leading screw; Described lifting table is connected with threads of lead screw.
Described piston limit mechanism comprises reference column and T-shape piece; Described base plate is provided with two T-shape slots; Described reference column and T-shape piece are equipped with two; Described two T-shape pieces respectively with base plate on two T-shape slots be slidably connected, and by screwing screw fixed position; Described two reference columns are separately fixed on two T-shape pieces.
Adopt technique scheme, the utlity model has following beneficial effect: the utility model detects the condition of work that provides comparatively desirable for piston top and skirt right alignment, complicated, the large-scale electronic detector equipment of comparing, there is same detecting reliability, and structure is comparatively simple, light, the advantages such as the cost of manufacture of measurer is lower, and maintenance is more convenient, have improved and have improved the work efficiency that piston coaxial degree detects then.
Brief description of the drawings
For content of the present utility model is more easily expressly understood, according to specific embodiment also by reference to the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the right view of Fig. 1.
Fig. 3 is the vertical view of Fig. 1.
Label in accompanying drawing is:
Base plate 1, lifting table 2, column 3, slide block 4, guide pillar 5, leading screw 6, cover plate 7, handwheel 8, dial gauge 9, reference column 10, T-shape piece 11.
Embodiment
(embodiment 1)
See Fig. 1 to Fig. 3, the built-up piston right alignment test measuring device of the present embodiment, comprises base plate 1, lifting table 2, column 3, slide block 4, guide pillar 5, cover plate 7, dial gauge 9, piston limit mechanism and lift drive mechanism.
Guide pillar 5 two ends are separately fixed on base plate 1 and cover plate 7.Lifting table 2 is slidably connected with guide pillar 5.Lift drive mechanism drives lifting table 2 to slide up and down along guide pillar 5.Column 3 is fixed on lifting table 2.Slide block 4 is slidably connected with column 3, and by screw fixed position.Dial gauge 9 is fixed on slide block 4, and its chaining pin is through slide block 4.Slide block 4 and dial gauge 9 are provided with two groups.Piston limit mechanism is arranged on base plate 1.
Lift drive mechanism comprises leading screw 6 and handwheel 8.The bottom of leading screw 6 and base plate 1 are rotationally connected, and its upper end is through cover plate 7.Handwheel 8 is fixed on the top of leading screw 6.Lifting table 2 is threaded with leading screw 6.
Piston limit mechanism comprises reference column 10 and T-shape piece 11.Base plate 1 is provided with two T-shape slots.Reference column 10 and T-shape piece 11 are equipped with two.Two T-shape pieces 11 respectively with base plate 1 on two T-shape slots be slidably connected, and by screwing screw fixed position.Two reference columns 10 are separately fixed on two T-shape pieces 11.
The principle of the built-up piston right alignment test measuring device of the present embodiment is: two reference columns 10 are for spacing to piston top cylindrical, and using this as the positioning datum detecting, and by regulating T-shape piece 11 then to regulate the position of reference column 10 on base plate 1 to adapt to the piston of different cylinder diameters (diameter); Dial gauge 9 directly contacts with piston skirt, directly obtains the concrete numerical value of the right alignment of the relative piston top of piston skirt by the variation of dial gauge 9; Shake handwheel 8 rotating threaded shafts 6 regulate the position of lifting table 2, then adjust the lengthwise position of dial gauge 9 with respect to piston skirt; Position by adjusting slider 4 on column 3, so continue to regulate upper and lower two dial gauges 9 with respect to the lengthwise position of piston skirt to adapt to the piston of differing heights.This patent detects the condition of work that provides comparatively desirable for piston top and skirt right alignment, complicated, the large-scale electronic detector equipment of comparing, there is same detecting reliability, and structure is comparatively simple, light, the cost of manufacture of measurer is lower, the advantages such as maintenance is more convenient, have improved and have improved the work efficiency that piston coaxial degree detects then.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any amendment of making, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (3)
1. a built-up piston right alignment test measuring device, is characterized in that: comprise base plate (1), lifting table (2), column (3), slide block (4), guide pillar (5), cover plate (7), dial gauge (9), piston limit mechanism and lift drive mechanism; Described guide pillar (5) two ends are separately fixed on base plate (1) and cover plate (7); Described lifting table (2) is slidably connected with guide pillar (5); Described lift drive mechanism drives lifting table (2) to slide up and down along guide pillar (5); Described column (3) is fixed on lifting table (2); Described slide block (4) is slidably connected with column (3), and by screw fixed position; It is upper that described dial gauge (9) is fixed on slide block (4), and its chaining pin is through slide block (4); Described slide block (4) and dial gauge (9) are provided with two groups; Described piston limit mechanism is arranged on base plate (1).
2. a kind of built-up piston right alignment test measuring device according to claim 1, is characterized in that: described lift drive mechanism comprises leading screw (6) and handwheel (8); The bottom of described leading screw (6) and base plate (1) are rotationally connected, and its upper end is through cover plate (7); Described handwheel (8) is fixed on the top of leading screw (6); Described lifting table (2) is threaded with leading screw (6).
3. a kind of built-up piston right alignment test measuring device according to claim 1, is characterized in that: described piston limit mechanism comprises reference column (10) and T-shape piece (11); Described base plate (1) is provided with two T-shape slots; Described reference column (10) and T-shape piece (11) are equipped with two; Described two T-shape pieces (11) respectively with base plate (1) on two T-shape slots be slidably connected, and by screwing screw fixed position; Described two reference columns (10) are separately fixed on two T-shape pieces (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420243813.9U CN203881286U (en) | 2014-05-13 | 2014-05-13 | A combined piston coaxiality detection measuring tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420243813.9U CN203881286U (en) | 2014-05-13 | 2014-05-13 | A combined piston coaxiality detection measuring tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203881286U true CN203881286U (en) | 2014-10-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420243813.9U Expired - Fee Related CN203881286U (en) | 2014-05-13 | 2014-05-13 | A combined piston coaxiality detection measuring tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203881286U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105157544A (en) * | 2015-10-23 | 2015-12-16 | 常州南车柴油机零部件有限公司 | Measuring tool for detecting degree of symmetry between piston pin hole axis and piston cylindrical center line |
| CN106931866A (en) * | 2017-05-19 | 2017-07-07 | 天津量传计量检测技术有限公司 | A kind of calibrating installation and application method for calibrating drug-eluting experiment instrument axiality |
| CN108036758A (en) * | 2017-11-17 | 2018-05-15 | 北京理工大学 | One kind is suitable for the detection of aero-engine casing concentricity and method of adjustment |
| CN108981542A (en) * | 2018-04-26 | 2018-12-11 | 淮阴工学院 | Cylinder jacket outer diameter and circularity comprehensive measurement device and application method |
-
2014
- 2014-05-13 CN CN201420243813.9U patent/CN203881286U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105157544A (en) * | 2015-10-23 | 2015-12-16 | 常州南车柴油机零部件有限公司 | Measuring tool for detecting degree of symmetry between piston pin hole axis and piston cylindrical center line |
| CN105157544B (en) * | 2015-10-23 | 2017-09-22 | 常州中车柴油机零部件有限公司 | A kind of test measuring device of piston pin hole axis relative to outside piston center line symmetry |
| CN106931866A (en) * | 2017-05-19 | 2017-07-07 | 天津量传计量检测技术有限公司 | A kind of calibrating installation and application method for calibrating drug-eluting experiment instrument axiality |
| CN108036758A (en) * | 2017-11-17 | 2018-05-15 | 北京理工大学 | One kind is suitable for the detection of aero-engine casing concentricity and method of adjustment |
| CN108036758B (en) * | 2017-11-17 | 2019-06-14 | 北京理工大学 | One kind being suitable for the detection of aero-engine casing concentricity and method of adjustment |
| CN108981542A (en) * | 2018-04-26 | 2018-12-11 | 淮阴工学院 | Cylinder jacket outer diameter and circularity comprehensive measurement device and application method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141015 Termination date: 20190513 |