CN205619858U - Crank throw supreme people's procuratorate utensil - Google Patents
Crank throw supreme people's procuratorate utensil Download PDFInfo
- Publication number
- CN205619858U CN205619858U CN201620291371.4U CN201620291371U CN205619858U CN 205619858 U CN205619858 U CN 205619858U CN 201620291371 U CN201620291371 U CN 201620291371U CN 205619858 U CN205619858 U CN 205619858U
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- Prior art keywords
- crank throw
- amesdial
- standard
- axle
- crank
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- 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
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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model provides a crank throw supreme people's procuratorate utensil, includes amesdial, mount, clamp plate, standard shaft footpath and base, standard shaft directly fix through clamp plate and base, the mount include whippletree and two stabilizer blades, the center of whippletree be equipped with the through -hole, the table pole of amesdial pass the through -hole, and fix the through -hole in, standard shaft directly including plan bent axle main shaft structure with plan camshaft connecting rod axle construction, just plan bent axle main shaft structure with the crank throw of the camshaft connecting rod axle structure composing standard planned. The utility model discloses a can directly reach the high size of crank throw, reduce calculation error, increase and detect the precision, improve detection efficiency, reduce intensity of labour.
Description
Technical field
This utility model relates to a kind of detection instrument, particularly relates to the crank throw bulb height testing tool that a kind of crank throw that can the most quickly detect on electromotor is high.
Background technology
Bent axle is one of most important parts in various engine components, and it is connected with connecting rod, the active force of connecting rod is changed into torque, and exports the work of torque actuated electromotor miscellaneous part.Under in working order, centrifugal force, gases cycle that bent axle is caused by quality rotation change the inertia force caused and back and forth change the inertia force effect caused, and therefore bent axle bears the effect of powerful flexion torsion load.In order to ensure the steady operation of electromotor, bent axle must have enough strength and stiffness, will not deform under powerful torque, external design must make journal surface is wear-resisting, size uniform, parts are stable.Some design simultaneously is designed to hollow by inside bent axle, can reduce inertia force, reduces active force during work；Trunnion, crank-pin all use transition arc with the junction of crank arm, can be with dispersive stress；In order to balance counteracting centrifugal force, generally increase crankshaft balance weight, reduce the load of main shaft.
The radius of bent axle is the item important parameter of electromotor design, and it directly affects bent axle and bear the intensity of torque, thus affects the performance of electromotor.The crank throw radius of automobile engine refers to crankshaft axis and the distance of any crank throw centrage.Crank throw radius is less than normal causes engine flare power less than normal, and engine performance reduces；Crank throw radius is bigger than normal causes bent axle to be taken blame for others, engine damage.Use of throw of crank shaft detection is detected on flat board more, its process is that measured workpiece is transported to flat board, and make crankshaft main-shaft diameters be supported on two wishbones, measure on main shaft and footpath with band amesdial height gauge, adjust the parallelism of common axes in two supporting spindle footpaths of bent axle in flat board, and write down the reading value of height gauge, then the crankshaft-link rod diameter of axle is forwarded to the highest or extreme lower position, measure with band amesdial height gauge and remember reading, being then passed through data and be calculated throw of crankshaft value.The method is the most time-consuming but also labor intensity big, and certainty of measurement is the highest.The often detection high size of 1 crank throw, the time of required cost is about 5 minutes, detect 32, batch of bent axle required for time of spending be: 32*5=160 minute, so badly influence the efficiency of piece test.
Chinese utility model patent Authorization Notice No. CN2864581Y, authorized announcement date on January 31st, 2007, disclose a kind of employing relative method and quickly measure cubing, this cubing is cubing body and school aligning members composition, equipped with the vee-block of two location below cubing body, make the common axis of the analogue crank adjacent main diameter of axle；Another is used for measuring slip vee-block, connects with guide pad, can be with connecting rod journal diameter self-centering, and slip V-arrangement is gone up soon and is connected with display equipped with feeler lever, is fitted with tong-test ammeter bar and screw；The check and correction shaft diameter of school aligning members, centre-to-centre spacing size, have the highest precision；First use aligning members involutory display zero-bit in school before measuring workpiece, then remove to measure workpiece, display reading and standard component difference of reading with cubing body, be tested position error；This cubing be coroner quickly, reliable measurements throw of crank shaft provides conveniently.But the structure of this cubing or more complicated, it has not been convenient to manufacture, measures table and does not directly contact with bent axle, and this can cause certainty of measurement to decline simultaneously.
Summary of the invention
This utility model exists for prior art measures the problem that efficiency is low, certainty of measurement is poor, it is proposed that a kind of simple efficient crank throw bulb height testing tool.
A kind of crank throw bulb height testing tool, including amesdial, fixed mount, pressing plate, the standard diameter of axle and base, it is characterised in that the described standard diameter of axle is fixed by pressing plate and base；Described fixed mount includes whippletree and two legs, and the center of described whippletree is provided with through hole, and the table bar of described amesdial is through described through hole, and is fixed in described through hole；The described standard diameter of axle includes intending crank spindle structure and intending crankshaft-link rod axle construction, and described plan crank spindle structure and described crankshaft-link rod axle construction of intending constitute the crank throw of standard.By amesdial and fixed mount being fixed, constitute a simple detection structure.The plan crank spindle structure of the standard diameter of axle and plan crankshaft-link rod axle construction provide the crank throw value of standard.First according to the standard diameter of axle, amesdial is returned to zero, in order to ensure accurately standard axle and pressing plate must being fixed of zeroing operation by base, may then pass through fixed mount frame on the trunnion of bent axle, the gauge head of amesdial contacts with rod journal, the crank throw quickly surveyed and the difference of the crank throw of standard, thus quickly obtain crank throw.Amesdial passes in the middle of the whippletree of fixed mount and fixes, and the two ends of whippletree are legs, and the trunnion that the distance of two legs is adjacent with two is consistent, and by two legs across on the trunnion of bent axle, the gauge head of amesdial is just in the position of rod journal.
As preferably, described plan crankshaft-link rod axle construction is a big disk, described plan crank spindle structure is two roundels, two described roundels connect and compose dumbbell shape structure, the distance of two described roundels is consistent with the span of described fixed mount, the crank throw value that difference is standard of the radius of the radius of described big disk and described roundel, the position of described big disk is positioned at the centre of two roundels.The standard diameter of axle is trunnion and the position of rod journal of bent axle during simulation reality is measured.Here two shallow bids are designed to the dumbbell shape structure position as trunnion, a big disk is placed in the middle position as rod journal simultaneously, by the two of fixed mount legs across on two roundels, the gauge head of the amesdial linked above is just in the position of big disk.The difference of the radius of roundel and big disk is used for determining the crank throw of standard.
As preferably, described base includes base plate and two supports, and the described standard diameter of axle is positioned on described support.The base plate of base is more stable in order to make to put, and the standard diameter of axle can be supported by two supports above, simultaneously works as certain fixation.
As preferably, described leg is provided with V-structure.Leg V-structure can block the structure of column type zeroing and measurement when, it is ensured that the stability of support during measurement.
As preferably, described table bar is fixed in through hole by horizontal screw.Wiping in through hole in the middle of whippletree and have table bar, its edge screwed hole is got through, and horizontal screw passes screwed hole and withstands the table bar of amesdial, plays fixing effect.Multiple screw can be set simultaneously and guarantee that amesdial is fixing during measuring.
As preferably, the outer surface of the table bar of described amesdial has one layer of rubber.On the one hand rubber layer can strengthen the frictional force of table bar and through hole, increases fixed effect；Simultaneously when horizontal screw withstands table bar, can play a protective role.
As preferably, the support on described pressing plate and base is connected by screw fixing.By standard pedestal on the support of base, then the position that platen cover is corresponding with support on standard axle, pressing plate and support are correspondingly provided with screwed hole, use screw threaded fixation clip and support, thus standard pedestal is fixed in centre, it is simple to before measuring, amesdial is returned to zero.
This utility model compared with prior art has the advantage, that and can immediately arrive at crank throw high size, reduces and calculates error, increases accuracy of detection, improves detection efficiency, reduces labor intensity.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model；
Fig. 2 is left view of the present utility model；
Fig. 3 is top view of the present utility model.
In figure: 1. amesdial, 11. dial plates, 12. table bar, 2. fixed mounts, 21. whippletrees, 22. legs, 23. horizontal screws, 24. through holes, 25.V type structure, 3. pressing plate, 31. screws, 4. the standard diameter of axle, 41. big disks, 42. roundels, 5. base, 51. supports, 52 base plates.
Detailed description of the invention
Below in conjunction with embodiment, concrete operations mode of the present utility model is further explained.
As shown in Figure 1,2 and 3, the radius of planar survey bent axle on the engine crankshaft of 4G24,18T and 4G30 of the 4G series that a kind of crank throw bulb height testing tool is produced for lucky Ningbo the second electromotor/γ series.This crank throw bulb height testing tool, is made up of amesdial 1, fixed mount 2, pressing plate 3, the standard diameter of axle 4 and base 5, wherein fixed mount 2 and the fixing connection of amesdial 1, and the standard diameter of axle 4 is fixed by pressing plate 3 and base 5；Fixed mount is made up of whippletree 21 and two legs 22, and two legs 22 lay respectively at the two ends of whippletree 21, and leg 22 is provided with V-structure 25；The center of whippletree 21 is provided with through hole 24, and the side of whippletree 21 is provided with screwed hole, and the outer surface of the table bar 12 of amesdial 1 has one layer of rubber coating, and the table bar 12 of amesdial 1 is through institute's through hole 24, and is fixed in through hole 24 by horizontal screw 23；The dumbbell shape structure that this standard diameter of axle 4 is connected and composed by a big disk 41 and two roundels 42 forms, the distance of two roundels 42 is consistent with the span of fixed mount 2, the position of big disk 41 is positioned at the centre of two roundels 42, and the radius of big disk 41 is standard crankshaft radius value with the difference of the radius of roundel 42；Base 5 is positioned on support 51 by base plate 52 and two supports 51, the standard diameter of axle 4, and the support 51 on pressing plate 3 and base 5 connects fixing by screw 31.
First amesdial is carried out zero check before using, will the big pointer regulation of amesdial to zero-bit, amesdial and fixed mount are fixed, standard diameter of axle pressing plate and base are fixed, fixed mount is placed on the standard diameter of axle, and amesdial contacts with the standard diameter of axle, and being recalled to by reading is zero；Again by fixed mount frame on the trunnion of bent axle, the gauge head contact rod journal of amesdial carries out detecting the radius of bent axle.When pointer rotates to the right, illustrate that actual measurement crank throw value is the amesdial position readings that standard size adds pointer indication a size of more than the standard diameter of axle；When pointer rotates to the left side, actual measurement crank throw value is the amesdial position readings that standard size deducts pointer indication.The radius measuring bent axle in this way is the most simple and convenient, substantially increases work efficiency.Simultaneously in order to loosening because of the connection of amesdial and fixed mount after preventing repetitive measurement, cause the inaccurate of measurement, need again amesdial to be returned to zero after measuring 10-20 crank throw by the method；The method of zeroing is the same with the above method being illustrated starting at.
Claims (7)
1. a crank throw bulb height testing tool, including amesdial (1), fixed mount (2), pressing plate (3), the standard diameter of axle (4) and base (5), it is characterized in that, the described standard diameter of axle (4) is fixed by pressing plate (3) and base (5)；Described fixed mount includes whippletree (21) and two legs (22), the center of described whippletree (21) is provided with through hole (24), the table bar (12) of described amesdial (1) is through described through hole (24), and is fixed in described through hole (24)；The described standard diameter of axle (4) includes intending crank spindle structure and intending crankshaft-link rod axle construction, and described plan crank spindle structure and described crankshaft-link rod axle construction of intending constitute the crank throw of standard.
2. crank throw bulb height testing tool as claimed in claim 1, it is characterized in that, described plan crankshaft-link rod axle construction is a big disk (41), described plan crank spindle structure is two roundels (42), two described roundels (42) connect and compose dumbbell shape structure, the distance of two described roundels (42) is consistent with the span of described fixed mount (2), the crank throw value that difference is standard of the radius of the radius of described big disk (41) and described roundel (42), the position of described big disk (41) is positioned at the centre of two roundels (42).
3. crank throw bulb height testing tool as claimed in claim 1 or 2, it is characterized in that, described base (5) includes base plate (52) and two supports (51), and the described standard diameter of axle (4) is positioned on described support (51).
4. crank throw bulb height testing tool as claimed in claim 1, it is characterised in that described leg (22) is provided with V-structure (25).
5. crank throw bulb height testing tool as claimed in claim 1, it is characterised in that described table bar (12) is fixed in through hole (24) by horizontal screw (23).
6. the crank throw bulb height testing tool as described in claim 1 or 5, it is characterised in that the outer surface of the table bar (12) of described amesdial (1) has one layer of rubber.
7. crank throw bulb height testing tool as claimed in claim 3, it is characterised in that the support (51) on described pressing plate (3) and base (5) connects fixing by screw (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620291371.4U CN205619858U (en) | 2016-04-07 | 2016-04-07 | Crank throw supreme people's procuratorate utensil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620291371.4U CN205619858U (en) | 2016-04-07 | 2016-04-07 | Crank throw supreme people's procuratorate utensil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205619858U true CN205619858U (en) | 2016-10-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620291371.4U Expired - Fee Related CN205619858U (en) | 2016-04-07 | 2016-04-07 | Crank throw supreme people's procuratorate utensil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205619858U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN115164679A (en) * | 2022-08-26 | 2022-10-11 | 桂林福达阿尔芬大型曲轴有限公司 | Crankshaft counterweight block radius detection tool and detection method |
-
2016
- 2016-04-07 CN CN201620291371.4U patent/CN205619858U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN115164679A (en) * | 2022-08-26 | 2022-10-11 | 桂林福达阿尔芬大型曲轴有限公司 | Crankshaft counterweight block radius detection tool and detection method |
| CN115164679B (en) * | 2022-08-26 | 2023-09-29 | 桂林福达阿尔芬大型曲轴有限公司 | Crankshaft balancing weight radius gauge and detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 315800 No. 1528 Hengshan Road, Xintao Street, Beilun District, Ningbo City, Zhejiang Province Patentee after: Zhejiang Geely Power Assembly Co., Ltd. Address before: 315800 No. 1528 Hengshan Road, Xintao Street, Beilun District, Ningbo City, Zhejiang Province Patentee before: Zhejiang Geely Luoyou Engine Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161005 Termination date: 20200407 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |