CN201497634U - Engine connecting rod parallelism and torsion resistance universal tester - Google Patents
Engine connecting rod parallelism and torsion resistance universal tester Download PDFInfo
- Publication number
- CN201497634U CN201497634U CN2009203035647U CN200920303564U CN201497634U CN 201497634 U CN201497634 U CN 201497634U CN 2009203035647 U CN2009203035647 U CN 2009203035647U CN 200920303564 U CN200920303564 U CN 200920303564U CN 201497634 U CN201497634 U CN 201497634U
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- parallelism
- mandrel
- connecting rod
- torsion
- hole
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Abstract
The utility model discloses an engine connecting rod parallelism and torsion resistance universal tester, which is fast and convenient in measuring processes, high in measuring precision and simple in structure. The universal tester comprises an under frame, a pin hole mandrel, a positioning mandrel, a fixed ejector pin, an movable ejector pin and a measurement mechanism, wherein the pin hole mandrel matches with a piston pin hole of a to-be-tested connecting rod, the positioning mandrel matches with a crankshaft hole of the connecting rod, the fixed ejector pin and the movable ejector pin arranged on the under frame are used for clamping the positioning mandrel, the measurement mechanism is used for measuring the height of the pin hole mandrel, outside surfaces of the pin hole mandrel and the positioning mandrel are both provided with taper, ejector holes matching with the fixed ejector pin and the movable ejector pin are respectively arranged at centers of two ends of the positioning mandrel, the movable ejector pin is slidably connected with the under frame, the movable ejector pin and the fixed ejector pin fixed on the under frame are arranged on the same horizontal axis oppositely, and tips of the two ejector pins are opposite. The engine connecting rod parallelism and torsion resistance universal tester is adaptable to on-line quick test of parallelism and torsion resistance of engine connecting rods for minor enterprises.
Description
Technical field
The utility model relates to a kind of measurement mechanism of form and position tolerance, especially relates to the general cubing of a kind of engine link depth of parallelism torsion resistance.
Background technology
Size and form and position tolerance that engine link will detect are a lot, main in form and position tolerance is the depth of parallelism and torsion resistance between crankshaft hole and the piston pin hole, common three-coordinates measuring machine can be measured accurately to its size, but the measurement effect to the depth of parallelism between connecting bar and crankshaft hole and the piston pin hole and torsion resistance is undesirable, process of measurement complexity not only, and owing to directly the hole wall in two holes is measured, therefore, morpheme error such as cylindricity can have influence on the measuring accuracy of depth of parallelism torsion resistance, in addition, because it costs an arm and a leg, the online detection in therefore being not suitable for producing especially can't be applied in medium-sized and small enterprises.
A kind of disclosed comprehensive pneumatic measuring device for link rod (patent No.: ZL 200720019167.8) adopts the pneumatic gauging method, on first gauge head and second gauge head, be provided with first of a depth of parallelism that is used to measure connecting rod two axially bored line directions Xs and measure branch road, second of a depth of parallelism that is used to measure connecting rod two hole Y directions is measured branch road, one is used to measure the 3rd of connecting rod two hole centre distance and measures branch road, the 4th of a cylindricity that is used to measure connecting rod first hole is measured branch road, the 5th of a cylindricity that is used to measure connecting rod second hole is measured branch road, cooperate air-gauge, this measurement mechanism can be measured a plurality of sizes of connecting rod and the depth of parallelism between connecting bar and crankshaft hole and the piston pin hole, but still there are a complex structure, the problem that manufacturing cost is high.
The utility model content
The utility model is in order to overcome the deficiency of complex structure in the prior art, manufacturing cost height, incompatibility on-line quick detection, and a kind of simple in structure, general cubing of engine link depth of parallelism torsion resistance that can realize online quick measurement is provided.
To achieve these goals, the utility model is by the following technical solutions: the general cubing of a kind of engine link depth of parallelism torsion resistance, include underframe, the pin-and-hole mandrel adaptive with the piston pin hole of connecting rod to be detected, the positioning core axle adaptive with the crankshaft hole of connecting rod, be located on the underframe in order to the fixedly thimble of clamping positioning core axle and mobile thimble and the measuring mechanism that is used to measure pin-and-hole mandrel height, described pin-and-hole mandrel and positioning core axle lateral surface are equipped with tapering, center, positioning core axle two ends is provided with and fixedly thimble and the adaptive centre hole of mobile thimble, mobile thimble and underframe are slidingly connected, and with the fixedly thimble needle point that is fixed on the underframe needle point are arranged on the same horizontal axis in opposite directions.When connecting bar and crankshaft hole and piston pin hole depth of parallelism torsion resistance are measured, if directly the hole wall size is measured, the morpheme errors such as cylindricity in two holes can be influential to its measurement result, thereby reduce its measuring accuracy, the utility model is provided with the pin-and-hole mandrel and the positioning core axle of band tapering and geomery standard, two mandrels insert the piston pin hole and the crankshaft hole of connecting rod respectively, because the mandrel surface is provided with very little tapering, make mandrel concentric with hole energy automatic centering, therefore the depth of parallelism torsion resistance of two mandrels is the depth of parallelism torsion resistance in two holes, because two mandrels are standard component, therefore can guarantee the high precision of its size and behavior tolerance, thereby guarantee the precision measured.In addition, be located at the fixedly thimble that is in same horizontal axis on the underframe and the mobile thimble centre hole by being located at center, positioning core axle two ends with the horizontal clamping of positioning core axle, the connecting rod that crankshaft hole is socketed on the positioning core axle can rotate around the axis of positioning core axle, forward connecting rod to vertical position, the height on two apogee distance underframe planes about measurement mechanism can be measured and be exposed at outside the pin-and-hole on the pin-and-hole mandrel, the difference in height between 2 deduct cross section, 2 places is pin-and-hole mandrel and positioning core axle because of the semidiameter of the tapering generation of outside surface parallelism error; Pivot link is placed on horizontal level, the height on two apogee distance underframe planes about being exposed at outside the pin-and-hole on the measurement mechanism duplicate measurements pin-and-hole mandrel, difference in height between 2 deducts cross section, 2 places is pin-and-hole mandrel and positioning core axle because of the semidiameter of the tapering generation of outside surface torsion resistance error, the above-mentioned depth of parallelism and torsion resistance error are the depth of parallelism torsion resistance error of connecting rod piston pin-and-hole and crankshaft hole, in addition, the distance between two point of fixity must meet in the link design requirement to depth of parallelism torsion resistance.For being convenient for measuring and calculating, pin-and-hole mandrel two ends can be made into the identical right cylinder of diameter, thereby the diameter that measurement result need not deduct between two measurement points is poor.
As preferably, described pin-and-hole mandrel is three sections multidiameters, two sections cylindrical equal diameters and less than the interlude diameter, the lateral surface of interlude is provided with tapering about it, and the tapering of pin-and-hole mandrel and positioning core axle lateral surface is 1: 8000～1: 3000.With two sections right cylinders that are made as equal diameters about the pin-and-hole mandrel, make it when measuring, need not to consider between two measurement points because of the different differences in height that produce of diameter, thereby be convenient for measuring and need not measurement result is calculated again, the difference in height of two measurement points is depth of parallelism torsion resistance error amount, since about two sections diameter less than the interlude diameter, make the pin-and-hole mandrel can insert in the piston pin hole of connecting rod easily, the tapering of pin-and-hole mandrel and positioning core axle lateral surface was made as 1: 3000～1: 8000, can avoids influencing measuring accuracy after inserting piston pin hole and crankshaft hole owing to the mandrel of being with tapering produces to wave.
As preferably, described mobile thimble is provided with the latch mechanism that is used to locate, and latch mechanism comprises the spring of being located at mobile thimble tail end, and mobile thimble lateral surface also is provided with position-arresting ring.For guaranteeing thimble reliable to the positioning core axle clamping, tail end at mobile thimble is provided with spring, spring makes mobile thimble can compress positioning core axle to the pressure that mobile thimble produces, guarantee the reliable clamping of positioning core axle, make things convenient for simultaneously the dismounting of positioning core axle again, to carry out new measurement, position-arresting ring can prevent that positioning core axle from being pushed up from underframe.
As preferably, described measuring mechanism comprises to be located at measurement of paralleism supports highly different on the underframe and torsion resistance measurement bracket and to be located at two clock gauges on the support, further, be provided with two clock gauges on measurement of paralleism support and torsion resistance measurement bracket respectively side by side, torsion resistance measurement bracket and underframe are for being rotatably connected.Two clock gauges that are arranged side by side can be measured the height of two points on the pin-and-hole mandrel simultaneously on the support, thereby obtain its difference in height fast, and and then obtain the connecting rod depth of parallelism and torsion resistance error, because of torsion resistance measurement bracket and underframe for being rotatably connected, when measuring torsion resistance, rotate the torsion resistance measurement bracket earlier, when pivot link during to horizontal level, again the torsion resistance measurement bracket is gone back to the measuring position, thereby can avoid the mutual interference between connecting rod and torsion resistance measurement bracket.
Therefore, the utlity model has following beneficial effect: the difference in height that (1) only needs to measure two points on the pin-and-hole mandrel can obtain measurement result, and process of measurement is simple and efficient, is fit to online detection; (2) measurement result is not subjected to the influence of morpheme error of the cylindricity etc. in two holes, measuring accuracy height; (3) whole cubing is simple in structure, and low cost of manufacture is fit to medium-sized and small enterprises and uses.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the left view of Fig. 1, and four-headed arrow is represented the rotation direction of tested connecting rod among the figure;
Fig. 3 is the left view of the utility model when measuring torsion resistance.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.
As Fig. 1, Fig. 2, among the embodiment shown in Figure 3, the general cubing of engine link depth of parallelism torsion resistance of the present utility model comprises a underframe 1 that has the horizontal operation table top, with adaptive pin-and-hole mandrel 4 of the piston pin hole of connecting rod 2 to be detected and the positioning core axle 3 adaptive with the crankshaft hole of connecting rod 2, pin-and-hole mandrel 4 is three sections multidiameters, two sections is the right cylinder of equal diameters about it, the interlude diameter greater than about two sections cylinder diameters, the wringing fit of mandrel and corresponding aperture is provided with 1: 5000 tapering when measuring for assurance on the lateral surface of pin-and-hole mandrel 4 interlude lateral surfaces and positioning core axle 3.In addition, fixedly thimble 5 and mobile thimble 6 in order to clamping positioning core axle 3 are set on underframe 1, the centre hole adaptive with fixing thimble 5 and mobile thimble 6 is set in center, positioning core axle 3 two ends simultaneously, mobile thimble 6 and underframe 1 are slidingly connected, fixedly thimble 5 is fixedlyed connected with underframe 1, two thimble needle points are arranged on the same horizontal axis in opposite directions to needle point ground, at mobile thimble 6 tail ends a spring 8 is set, mobile thimble 6 lateral surfaces are provided with position-arresting ring 9, and the elastic force of spring 8 promotes mobile thimble 6 and moves forward until position-arresting ring 9 it is blocked.In addition, two highly different measurement of paralleism support 7.1 and torsion resistance measurement bracket 7.2 that are the L type are set on underframe 1, torsion resistance measurement bracket 7.2 and underframe 1 are for being rotatably connected, on the horizontal gird of two supports, be arranged side by side two clock gauges 7.3 respectively, the distance between the clock gauge 7.3 must meet the technical requirement of 2 pairs of depth of parallelism torsion resistances of the connecting rod of surveying.
During measurement, need earlier with the scale of calibrated altitude measuring, for guaranteeing measuring accuracy and obtain measurement result fast, side by side the same scale of two clock gauge 7.3 usefulness on the same measurement bracket is returned to zero with clock gauge 7.3 zeroings.After the zeroing EOP (end of program), positioning core axle 3 is inserted the crankshaft hole of connecting rod 2, pin-and-hole mandrel 4 is inserted the piston pin hole of connecting rod 2, because two mandrels are equipped with tapering, make it can be concentric with the hole automatic centering, the center line of this moment axle and the central lines in hole, therefore the depth of parallelism torsion resistance of two mandrels is the depth of parallelism torsion resistance in two holes, because two mandrels are standard component, therefore can guarantee the high precision of its size and form and position tolerance, thereby guarantee that final measuring accuracy can not be subjected to the influence of other morpheme errors such as cylindricity in two holes.With mobile thimble 6 past pushers, make the gap that enough placement positioning mandrels 3 are arranged between two thimbles, the positioning core axle 3 that will be with connecting rod 2 then places between two thimbles and unclamps mobile thimble 6, this moment, mobile thimble 6 moved forward under the pushing of tail end spring 8, fixedly thimble 5 and mobile thimble 6 can enter the center pit at positioning core axle 3 two ends, thereby its horizontal clamping also can be rotated around the thimble axis, upwards turn to vertical position with hand steered firmly connecting rod 2 and with it, the difference in height of two peaks about being located at two horizontally disposed on the measurement of paralleism support 7.1 clock gauges 7.3 and can measuring on the pin-and-hole mandrel 4, this difference in height is two parallelism errors between the mandrel, the parallelism error between two holes on the connecting rod 2 just, for guaranteeing the accurate of measurement result, can be back and forth during measurement slight swing connecting bar 2, the difference of getting the greatest measure that two clock gauges 7.3 show is the difference in height of pin-and-hole mandrel 4 peaks.After measuring the depth of parallelism, turn-off torsion resistance measurement bracket 7.2, then connecting rod 2 being turned to horizontal level is placed on underframe 1 table top, rotate back into pin-and-hole mandrel 4 tops with torsion resistance measurement bracket 7.2 this moment, the difference in height of two peaks about being located at two clock gauges 7.3 on the torsion resistance measurement bracket 7.2 and can measuring on the pin-and-hole mandrel 4, this difference in height is the torsion resistance error of two mandrels, the torsion resistance error between two holes on the connecting rod 2 just, in order to improve accuracy, fine rotation torsion resistance measurement bracket 7.2 back and forth during measurement, the difference of getting the greatest measure that two clock gauges show is the difference in height of pin-and-hole mandrel 4 peaks.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203035647U CN201497634U (en) | 2009-05-25 | 2009-05-25 | Engine connecting rod parallelism and torsion resistance universal tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203035647U CN201497634U (en) | 2009-05-25 | 2009-05-25 | Engine connecting rod parallelism and torsion resistance universal tester |
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| Publication Number | Publication Date |
|---|---|
| CN201497634U true CN201497634U (en) | 2010-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009203035647U Expired - Lifetime CN201497634U (en) | 2009-05-25 | 2009-05-25 | Engine connecting rod parallelism and torsion resistance universal tester |
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| CN (1) | CN201497634U (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102175208A (en) * | 2011-01-29 | 2011-09-07 | 中国民用航空飞行学院 | Device for measuring parallel degree, distortion degree and center distance of large and small head holes of connecting rod of piston engine |
| CN102287363A (en) * | 2011-09-28 | 2011-12-21 | 上海高桥捷派克石化工程建设有限公司 | Device for measuring parallelism of compressor connecting rod |
| CN102774395A (en) * | 2011-05-11 | 2012-11-14 | 铁道部运输局 | Height regulating device for driving device and method thereof |
| CN103234435A (en) * | 2013-05-15 | 2013-08-07 | 重庆歇马机械曲轴有限公司 | Inspection tool for detecting parallelism of crank pinhole of engine |
| CN103411523A (en) * | 2013-07-24 | 2013-11-27 | 陈思源 | Piston reciprocating-type gasoline engine connecting rod deformation flaw detection ruler and detection method |
| CN104236413A (en) * | 2013-06-18 | 2014-12-24 | 江苏龙城精锻有限公司 | Rapid detection tool for jumps of vehicle generator rotor |
| CN104457524A (en) * | 2014-12-15 | 2015-03-25 | 青岛德盛机械制造有限公司 | Detection device and method for bending resistance and torsion resistance of crankshaft connecting rod assembly |
| CN104723301A (en) * | 2015-03-27 | 2015-06-24 | 安徽江淮汽车股份有限公司 | Horizontal workbench for measuring universal type engine piston connecting rods |
| CN105928446A (en) * | 2016-06-14 | 2016-09-07 | 广西玉柴机器股份有限公司 | Connecting rod parallelism detecting device and method |
| CN107042387A (en) * | 2017-04-12 | 2017-08-15 | 大连辽南船厂 | Diesel engine connecting bar restorative procedure |
| CN109483217A (en) * | 2018-11-08 | 2019-03-19 | 郝鹏飞 | A kind of coaxial calibrating installation of equal diameter bar |
| CN109839053A (en) * | 2017-11-29 | 2019-06-04 | 江苏科技大学 | A kind of measuring device and measuring method of the large and small head bore depth of parallelism of connecting rod |
| CN111043931A (en) * | 2019-12-29 | 2020-04-21 | 陕西航天动力高科技股份有限公司 | Device and method for measuring shape and position tolerance of large-sized three-cylinder crankshaft |
| CN112484598A (en) * | 2020-12-10 | 2021-03-12 | 芜湖航天汽车连杆有限公司 | Detection tool for detecting center distance of holes at two ends of connecting rod |
| CN112697021A (en) * | 2020-12-10 | 2021-04-23 | 芜湖航天汽车连杆有限公司 | Method for rapidly detecting center distance of holes at two ends of connecting rod |
-
2009
- 2009-05-25 CN CN2009203035647U patent/CN201497634U/en not_active Expired - Lifetime
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102175208B (en) * | 2011-01-29 | 2012-07-25 | 中国民用航空飞行学院 | Device for measuring parallel degree, distortion degree and center distance of large and small head holes of connecting rod of piston engine |
| CN102175208A (en) * | 2011-01-29 | 2011-09-07 | 中国民用航空飞行学院 | Device for measuring parallel degree, distortion degree and center distance of large and small head holes of connecting rod of piston engine |
| CN102774395A (en) * | 2011-05-11 | 2012-11-14 | 铁道部运输局 | Height regulating device for driving device and method thereof |
| CN102287363A (en) * | 2011-09-28 | 2011-12-21 | 上海高桥捷派克石化工程建设有限公司 | Device for measuring parallelism of compressor connecting rod |
| CN103234435A (en) * | 2013-05-15 | 2013-08-07 | 重庆歇马机械曲轴有限公司 | Inspection tool for detecting parallelism of crank pinhole of engine |
| CN104236413A (en) * | 2013-06-18 | 2014-12-24 | 江苏龙城精锻有限公司 | Rapid detection tool for jumps of vehicle generator rotor |
| CN103411523B (en) * | 2013-07-24 | 2016-08-10 | 陈思源 | A kind of piston reciprocating type Connecting Rod of Gasoline Engine deformation flaw detection ruler detection method |
| CN103411523A (en) * | 2013-07-24 | 2013-11-27 | 陈思源 | Piston reciprocating-type gasoline engine connecting rod deformation flaw detection ruler and detection method |
| CN104457524A (en) * | 2014-12-15 | 2015-03-25 | 青岛德盛机械制造有限公司 | Detection device and method for bending resistance and torsion resistance of crankshaft connecting rod assembly |
| CN104723301A (en) * | 2015-03-27 | 2015-06-24 | 安徽江淮汽车股份有限公司 | Horizontal workbench for measuring universal type engine piston connecting rods |
| CN104723301B (en) * | 2015-03-27 | 2016-03-30 | 安徽江淮汽车股份有限公司 | A kind of control apparatus for general purpose engine piston rod measurement horizontal table |
| CN105928446A (en) * | 2016-06-14 | 2016-09-07 | 广西玉柴机器股份有限公司 | Connecting rod parallelism detecting device and method |
| CN105928446B (en) * | 2016-06-14 | 2018-08-31 | 广西玉柴机器股份有限公司 | The parallelism detection equipment and parallelism detection method of connecting rod |
| CN107042387A (en) * | 2017-04-12 | 2017-08-15 | 大连辽南船厂 | Diesel engine connecting bar restorative procedure |
| CN109839053A (en) * | 2017-11-29 | 2019-06-04 | 江苏科技大学 | A kind of measuring device and measuring method of the large and small head bore depth of parallelism of connecting rod |
| CN109483217A (en) * | 2018-11-08 | 2019-03-19 | 郝鹏飞 | A kind of coaxial calibrating installation of equal diameter bar |
| CN111043931A (en) * | 2019-12-29 | 2020-04-21 | 陕西航天动力高科技股份有限公司 | Device and method for measuring shape and position tolerance of large-sized three-cylinder crankshaft |
| CN112484598A (en) * | 2020-12-10 | 2021-03-12 | 芜湖航天汽车连杆有限公司 | Detection tool for detecting center distance of holes at two ends of connecting rod |
| CN112697021A (en) * | 2020-12-10 | 2021-04-23 | 芜湖航天汽车连杆有限公司 | Method for rapidly detecting center distance of holes at two ends of connecting rod |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Ji'nan Geely Auto Parts Co., Ltd. Assignor: Zhejiang Geely Automobile Research Institute Co., Ltd., Zhejiang Geely Holding Group Company Limited Contract record no.: 2013330000406 Denomination of utility model: Engine connecting rod parallelism and torsion resistance universal tester Granted publication date: 20100602 License type: Exclusive License Record date: 20131225 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100602 |