CN204115638U - Crankshaft journal following measurement device - Google Patents
Crankshaft journal following measurement device Download PDFInfo
- Publication number
- CN204115638U CN204115638U CN201420663091.2U CN201420663091U CN204115638U CN 204115638 U CN204115638 U CN 204115638U CN 201420663091 U CN201420663091 U CN 201420663091U CN 204115638 U CN204115638 U CN 204115638U
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- connecting rod
- measurement device
- crankshaft journal
- following measurement
- clock gauge
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Abstract
The utility model belongs to machine-building and detection technique field, is specifically related to a kind of crankshaft journal following measurement device.It comprises follower and measuring mechanism, and described follower comprises base, first connecting rod and second connecting rod, between described base and first connecting rod, is all articulated and connected between first connecting rod and second connecting rod; Described measuring mechanism comprises bracing frame, and side, support frame as described above top is connected with second connecting rod end winding support, and support frame as described above is fixed with clock gauge, connects measuring staff bottom described clock gauge, is provided with detection contact bottom described measuring staff.The utility model structure is simple, easy to operate, reasonable in design, and Measurement sensibility is good, degree of accuracy is high, efficiently solves the problem having eccentric throw axial workpiece deviation from circular from and be difficult to detect.
Description
Technical field
The utility model belongs to machine-building and detection technique field, is specifically related to a kind of crankshaft journal following measurement device.
Background technology
Bent axle is the core part of engine, and design of part is complicated, machining precision and difficulty of processing large.Crankshaft journal directly bears (comprising king journal and connecting rod neck) alternate load of various complexity, high speed relative motion state is in for a long time between axle journal and bearing shell, therefore for the shape of each axle journal of machining crankshafts, positional precision, surfaceness has very strict requirement.Wherein the deviation from circular from of axle journal directly affects the quality of fit, friction, vibrations, noise etc. of parts, and therefore deviation from circular from becomes one of important indicator of inspection rotary part crudy.But the deviation from circular from device detecting crankshaft journal at present all can only detect main bearing journal deviation from circular from substantially, and the deviation from circular from of crank-shaft link neck is all adopt sampling observation mode to take (such as roundness measuring equipment on special measuring checkout equipment, contourgraph etc.) detect, because connecting rod neck departs from crank up center line, common unit gauge head cannot in crankshaft rotating process in real time and connecting rod neck keep in touch state, also just cannot detect the deviation from circular from of connecting rod neck.
Summary of the invention
The purpose of this utility model is exactly the deficiency existed to solve above-mentioned background technology, provides a kind of crankshaft journal following measurement device.
The technical solution adopted in the utility model is: a kind of crankshaft journal following measurement device, comprise follower and measuring mechanism, described follower comprises base, first connecting rod and second connecting rod, between described base and first connecting rod, is all articulated and connected between first connecting rod and second connecting rod; Described measuring mechanism comprises bracing frame, and side, support frame as described above top is connected with second connecting rod end winding support, and support frame as described above is fixed with clock gauge, connects measuring staff bottom described clock gauge, is provided with detection contact bottom described measuring staff.
Further, described clock gauge is fixed on bracing frame top, has reverse V-shaped groove bottom support frame as described above, and described measuring staff top is connected with clock gauge through bracing frame, stretches in reverse V-shaped groove bottom described measuring staff.
Further, support frame as described above comprises supporting seat and back-up block, described back-up block comprises fixed panel and is positioned at the contact block of fixed panel two bottom sides, and described supporting seat lower end is fixedly connected with by screw with between fixed panel, forms described reverse V-shaped groove between the bottom surface of two contact blocks.
Further, described contact block inside has cylindrical hole along its inclined bottom surface direction, is connected with anti-wear post in described cylindrical hole, and described anti-wear post surface protrudes from the bottom surface of described contact block.
Further, described base is the magnetic base of adsorbable metal flat.
The utility model is connected with testing agency by design follower, when crank rotation, detection contact and crankshaft journal (comprising king journal and connecting rod neck) surface contact can be remained, its deviation from circular from is detected, efficiently solve the problem that there is eccentric throw axial workpiece deviation from circular from and be difficult to detect, structure is simple, easy to operate, reasonable in design, Measurement sensibility is good, degree of accuracy is high, both can be used as to detect the deviation from circular from of each axle journal of line outer crankshaft part, also may be used for the monitor and detection to bent axle follow-up grinding equipment mechanism stability.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the schematic diagram of the utility model follower.
Fig. 3 is the schematic diagram of the utility model measuring mechanism.
Fig. 4 is the schematic diagram of the utility model bracing frame.
Fig. 5 is the upward view of the utility model measuring mechanism.
Fig. 6 is measuring state figure of the present utility model.
In figure: 1-base; 2-bearing seat; 3-clutch shaft bearing; 4-first connecting rod; 5-second bearing; 6-second connecting rod; 7-clock gauge; 8-bracing frame; 9-measuring staff; 10-detection contact; The reverse V-shaped groove of 11-; 12-supporting seat; 13-back-up block; 14-fixed panel; 15-contact block; 16-bottom surface, 17-cylindrical hole; The anti-wear post of 18-; 19-cushion block; 20.1-stationary center; 20.2-rolling center; 21-bent axle; 22-platform.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, is convenient to be well understood to the utility model, but they do not form restriction to the utility model.
The utility model comprises follower and measuring mechanism, as shown in Figure 1 and Figure 2, follower comprises base 1, first connecting rod 4 and second connecting rod 6, base 1 installs a bearing seat 2, bearing seat 2 is installed high-precision clutch shaft bearing 3, first connecting rod 4 one end is articulated and connected by clutch shaft bearing 3 and base 1, first connecting rod 4 other end is articulated and connected with second connecting rod 6 end by high-precision second bearing 5, and bracing frame 8 top-side of second connecting rod 6 other end and measuring mechanism is bolted to connection.Base 1, first connecting rod 4, second connecting rod 6 and two bearings form the follower that can move in a circle around the bearing of its tie point, and wherein, base 1 is magnetic base, can be adsorbed on any metal flat, makes it keep fixing.
As shown in Figure 1, Figure 3, the detection contact 10 that measuring mechanism comprises clock gauge 7, bracing frame 8, measuring staff 9 and is fixed on bottom measuring staff 9, described clock gauge 7 is fixed on bracing frame 8 top, side, bracing frame 8 top is fixedly connected with second connecting rod 6, reverse V-shaped groove 11 is had bottom support frame as described above 8, described measuring staff 9 top is threaded connection through bracing frame 8 and clock gauge 7, stretches in reverse V-shaped groove 11 bottom described measuring staff 9.Two faces of detection contact 10 and reverse V-shaped groove 11, as three contact points contacted with crankshaft journal surface, form the deviation from circular from that axle journal is determined in three point method measurement.
In such scheme, for simplifying the manufacture craft of bracing frame 8, two parts have been divided by bracing frame 8, as shown in Figure 4, bracing frame 8 comprises superposed supporting seat 12 and is positioned at the back-up block 13 of bottom, described back-up block 13 comprises fixed panel 14 and is positioned at the contact block 15 of fixed panel two bottom sides, described supporting seat 12 lower end is fixedly connected with by screw with between fixed panel 14, be specially, two waist-shaped holes are had in supporting seat lower end, fixed panel is fixed with supporting seat 12 lower end with coordinating of waist-shaped hole by four screws, adopt waist-shaped hole, supporting seat can be made to have certain setting range in part radial direction, namely clock gauge can be adjusted, measuring staff and the precompressed amount of detection contact on part outer surface.Described V-type groove 11 is formed between the bottom surface 16 of two contact blocks 15.
In such scheme, two face contact crankshaft journal surface of reverse V-shaped groove 11, during with crank rotation, two can produce friction between face and journal surface, cause needing often to change back-up block, cost is caused to increase, therefore directly contact with crankshaft journal surface in order to avoid two faces of reverse V-shaped groove 11, as shown in Figure 5, vergence direction in the inside of contact block 15 along its bottom surface 16 has cylindrical hole 17, anti-wear post 18 is connected with in described cylindrical hole 17, described anti-wear post 18 surface protrudes from the bottom surface 16 of described contact block 15, like this, when detecting, what reality contacted journal surface is exactly anti-wear post 18, instead of contact block 15 bottom surface, anti-wear column production is simple, it is convenient to change, effectively reduce cost.
As shown in Figure 6, when measuring main bearing journal or connecting rod neck, bent axle 21 is placed in detection platform 22, location is held out against by a stationary center 20.1 and a rolling center that can move axially 20.2, tracking measurement mechanism of the present invention is placed on cushion block 19, base 1 is utilized to adsorb tightly, certain particular location measuring crankshaft journal as required suitably adjusts, now for bent axle 21 second connecting rod neck, adjusted with coordinating of base 1 by cushion block 19, the reverse V-shaped groove 11 of back-up block 13 is made accurately to be stuck on second connecting rod neck cylindrical, ensure detection contact 10 and connecting rod neck surface contact, the precompressed amount of suitable adjustment clock gauge 7, with stroke needed for satisfied measurement, with hand smooth rotation bent axle 21, connecting rod neck does revolution circular motion around the main bearing journal center line of certain eccentric throw.Different with the lever ratio of second connecting rod 6 according to first connecting rod 4, and the deadweight of measuring mechanism ensures detection contact 10 in the radial direction perpendicular to connecting rod neck always, and first connecting rod 4 and second connecting rod 6 to be linked together composition follower by bearing, so just can ensure that measuring mechanism is followed connecting rod neck together and done eccentric circular motion, make detection contact 10 keep in touch state with connecting rod neck cylindrical always, any slight change of journal surface can pass to measuring staff 9, measuring staff 9 is moved radially and directly informs clock gauge 7, clock gauge 7 just can measure the deviation from circular from of second connecting rod neck by real time readouts.In like manner also can measure each king journal deviation from circular from of bent axle, detection method is consistent.
Following measurement device of the present invention also can be used on the monitor and detection of bent axle follow-up grinding equipment mechanism stability, base 1 is directly utilized to be adsorbed on equipment follower correct position, again measuring mechanism is contacted with crankshaft journal, the stability of follower is monitored in simulation loop action namely by equipment after suitable adjustment, precision for equipment provides data and foundation, concrete measuring principle is consistent with said method, no longer repeats to set forth.
The content be not described in detail in this instructions belongs to the known prior art of professional and technical personnel in the field.
Claims (5)
1. a crankshaft journal following measurement device, it is characterized in that: comprise follower and measuring mechanism, described follower comprises base (1), first connecting rod (4) and second connecting rod (6), is all articulated and connected between described base (1) and first connecting rod (4), between first connecting rod (4) and second connecting rod (6); Described measuring mechanism comprises bracing frame (8), support frame as described above (8) side, top is connected with second connecting rod (6) end winding support, support frame as described above is fixed with clock gauge (7), clock gauge (7) bottom connects measuring staff (9), and measuring staff (9) bottom is provided with detection contact (10).
2. crankshaft journal following measurement device according to claim 1, it is characterized in that: described clock gauge (7) is fixed on bracing frame (8) top, support frame as described above (8) bottom has reverse V-shaped groove (11), described measuring staff (9) top is connected with clock gauge (7) through bracing frame, and described measuring staff (9) bottom is stretched in reverse V-shaped groove (11).
3. crankshaft journal following measurement device according to claim 2, it is characterized in that: support frame as described above (8) comprises supporting seat (12) and back-up block (13), described back-up block (13) comprises fixed panel (14) and is positioned at the contact block (15) of fixed panel two bottom sides, be fixedly connected with by screw between described supporting seat (12) lower end with fixed panel (14), between the bottom surface (16) of two contact blocks (15), form described reverse V-shaped groove (11).
4. crankshaft journal following measurement device according to claim 3, it is characterized in that: described contact block (15) inside has cylindrical hole (17) along its inclined bottom surface direction, be connected with anti-wear post (18) in described cylindrical hole (17), described anti-wear post (18) surface protrudes from the bottom surface (16) of described contact block (15).
5. crankshaft journal following measurement device according to claim 1, is characterized in that: the magnetic base that described base (1) is adsorbable metal flat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420663091.2U CN204115638U (en) | 2014-11-07 | 2014-11-07 | Crankshaft journal following measurement device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420663091.2U CN204115638U (en) | 2014-11-07 | 2014-11-07 | Crankshaft journal following measurement device |
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| CN204115638U true CN204115638U (en) | 2015-01-21 |
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| CN201420663091.2U Active CN204115638U (en) | 2014-11-07 | 2014-11-07 | Crankshaft journal following measurement device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105115406A (en) * | 2015-09-22 | 2015-12-02 | 南车戚墅堰机车有限公司 | Apparatus and method of measuring eccentric throw of crankshaft |
| CN107655967A (en) * | 2017-10-27 | 2018-02-02 | 无锡万奈特测量设备有限公司 | A kind of electromagnetic eddy carrying out flaw detection device for bent axle |
| CN110567335A (en) * | 2019-09-11 | 2019-12-13 | 吴琳方 | Gasoline engine crankshaft precision assembly precision detection tool |
| CN111678415A (en) * | 2019-03-11 | 2020-09-18 | 大族激光科技产业集团股份有限公司 | Screw rod detection device and method |
| CN111964632A (en) * | 2020-08-17 | 2020-11-20 | 台州市黄岩新豪检具有限公司 | High-precision automobile part checking fixture |
| CN113218282A (en) * | 2021-06-25 | 2021-08-06 | 河南柴油机重工有限责任公司 | Device and method for measuring small semicircular diameter of shaft part |
| CN113720238A (en) * | 2021-08-30 | 2021-11-30 | 罡阳轴研科技(灌云)有限公司 | High-precision crankshaft eccentric excircle diameter follow-up detection device |
| CN114509032A (en) * | 2022-01-16 | 2022-05-17 | 贵阳瑞极精密测量有限公司 | Crankshaft detection device |
-
2014
- 2014-11-07 CN CN201420663091.2U patent/CN204115638U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105115406A (en) * | 2015-09-22 | 2015-12-02 | 南车戚墅堰机车有限公司 | Apparatus and method of measuring eccentric throw of crankshaft |
| CN105115406B (en) * | 2015-09-22 | 2018-09-14 | 南车戚墅堰机车有限公司 | A kind of eccentricity of crankshaft measuring device and its measurement method |
| CN107655967A (en) * | 2017-10-27 | 2018-02-02 | 无锡万奈特测量设备有限公司 | A kind of electromagnetic eddy carrying out flaw detection device for bent axle |
| CN107655967B (en) * | 2017-10-27 | 2023-11-10 | 无锡万耐特自动化设备股份公司 | Electromagnetic eddy current flaw detection device for crankshaft |
| CN111678415A (en) * | 2019-03-11 | 2020-09-18 | 大族激光科技产业集团股份有限公司 | Screw rod detection device and method |
| CN110567335A (en) * | 2019-09-11 | 2019-12-13 | 吴琳方 | Gasoline engine crankshaft precision assembly precision detection tool |
| CN111964632A (en) * | 2020-08-17 | 2020-11-20 | 台州市黄岩新豪检具有限公司 | High-precision automobile part checking fixture |
| CN111964632B (en) * | 2020-08-17 | 2021-06-15 | 台州市黄岩新豪检具有限公司 | High-precision automobile part checking fixture |
| CN113218282A (en) * | 2021-06-25 | 2021-08-06 | 河南柴油机重工有限责任公司 | Device and method for measuring small semicircular diameter of shaft part |
| CN113720238A (en) * | 2021-08-30 | 2021-11-30 | 罡阳轴研科技(灌云)有限公司 | High-precision crankshaft eccentric excircle diameter follow-up detection device |
| CN114509032A (en) * | 2022-01-16 | 2022-05-17 | 贵阳瑞极精密测量有限公司 | Crankshaft detection device |
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| C14 | Grant of patent or utility model | ||
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