CN203414038U - Device testing crankshaft geometrical shape - Google Patents
Device testing crankshaft geometrical shape Download PDFInfo
- Publication number
- CN203414038U CN203414038U CN201320544341.6U CN201320544341U CN203414038U CN 203414038 U CN203414038 U CN 203414038U CN 201320544341 U CN201320544341 U CN 201320544341U CN 203414038 U CN203414038 U CN 203414038U
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- Prior art keywords
- crankshaft
- gauge
- crankshaft front
- hole part
- conical surface
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- 238000001514 detection method Methods 0.000 claims abstract description 16
- 238000005259 measurement Methods 0.000 claims description 29
- 238000000034 method Methods 0.000 description 15
- 238000010586 diagram Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000001915 proofreading effect Effects 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a device testing crankshaft geometrical shape, and the device is used for testing a vertical distance between a crankshaft front end conical surface gauge cross section and the crankshaft front end surface; the device comprises a standard proofread member and a measuring assembly; the standard proofread member provides a test needed specific marking value of the vertical distance between the crankshaft front end conical surface gauge cross section and the crankshaft front end surface; the measuring assembly comprises a measuring sleeve, a measuring shaft, a measuring blade and an indicating gauge; the measuring shaft is arranged in the measuring sleeve and slides up and down; the measuring blade is in an annular body and an inner diameter of the measuring blade is consistent with the marking value; the indicating gauge is arranged on the top of the measuring sleeve; in detection, the indicating gauge determines a zero position according to the standard proofread member, when the specific vertical distance between the crankshaft front end conical surface gauge cross section and the crankshaft front end surface is detected, the deviation between the marking value and the standard value can be determined according to the scale value of the indicating gauge. The device testing crankshaft geometrical shape can fast and conveniently test the crankshaft specific geometry dimension, and result is accurate.
Description
Technical field
The utility model relates to I. C. engine crankshaft and manufactures field, particularly a kind of device that detects bent axle geometric configuration.
Background technology
In I. C. engine crankshaft manufacture field, its geometrical precision is very crucial, very strict to the requirement of concrete dimensional tolerence.By detecting some concrete size of bent axle, be to weigh the key index of bent axle quality, such as, crankshaft front end conical surface gauge cross section is to the detection of crankshaft front end face fore-and-aft distance, and the gauge cross section of mentioning in the application refers in concrete bent axle model, the xsect at crankshaft front end conical surface special diameter place.
At present, every crankshaft front end conical surface gauge cross section that relates to, to the detection of crankshaft front end face fore-and-aft distance, generally adopts general three coordinate machines to measure or the measurement of special-purpose taper gage.But the former Measuring Time is longer, and adopt point-like gauge head, because crankshaft front end face diameter is larger, measurement result dispute; The latter's metering system adopts with the range estimation of Z mark line and compares, and because taper gage is for to determine cone angle gauge, for tested bent axle conical surface cone angle occasion devious, measurement result precision is not accurate enough.
Utility model content
The utility model is in order to overcome defect in above-mentioned prior art, and a kind of device that detects bent axle geometric configuration is provided, and can the concrete physical dimension of bent axle be detected fast and easy, and result is accurate.
For achieving the above object, the utility model provides a kind of device that detects bent axle geometric configuration, it is used for measuring crankshaft front end conical surface gauge cross section to crankshaft front end face fore-and-aft distance, comprise standard check and correction part and measure assembly, standard check and correction part provides the mark value of the specific crankshaft front end conical surface gauge cross section of detection needs to crankshaft front end face fore-and-aft distance, measurement assembly comprises: measuring unit, and its inside is stepped appearance through hole, is specially pilot hole part and measured hole part; Gauge head axle, it is the column with plane gauge head, and column is inserted in pilot hole part and slides up and down, and plane gauge head is in measured hole part; Measure sword, it is located at measured hole part front end, and measuring sword is that ring bodies and its interior diameter are consistent with mark value, when detecting, the crankshaft front end conical surface enters measured hole part through measuring sword, when the crankshaft front end conical surface mates with measurement sword internal diameter, and crankshaft front end face and plane gauge head butt; Dial gauge, it is arranged on pilot hole part upper end, and when detecting, dial gauge is determined zero-bit according to standard check and correction part, when detecting concrete crankshaft front end conical surface gauge cross section to crankshaft front end face fore-and-aft distance, according to the number of division of dial gauge, determine the deviation of itself and standard value.
In technique scheme, also comprise sliding sleeve, it is located at measured hole inside and slides up and down, and at sliding sleeve front end, is provided with circular arc location sword, circular arc location sword and measuring unit coaxial cable.
In technique scheme, between sliding sleeve and measuring unit ladder step, be provided with retainer spring, when detecting, retainer spring drives sliding sleeve to contact with the crankshaft front end conical surface.
In technique scheme, in pilot hole part upper end, be also provided with tight cap, it is the cylindrical body with boss, and the front end of tight cap is inserted in pilot hole part and boss is connected on the edge of pilot hole part, and dial gauge is arranged on tight cap tail end by lining.
In technique scheme, gauge head jack-post shape body divide and the front end of tight cap between be provided with holddown spring, when detecting, holddown spring drives the plane gauge head of gauge head axle to be connected on crankshaft front end face.
In technique scheme, at gauge head axle center section, be provided with stopper slot, on measuring unit sidewall, be provided with stop screw with stopper slot corresponding position.
In technique scheme, on tight cap sidewall, be provided with lock-screw, the front end of lock-screw is connected to lining outer wall.
In technique scheme, measure sword and be located on measurement plate, measure plate and be fixed on measured hole part front end by the first screw.
In technique scheme, also comprise placing modules, it comprises supporting seat and cover plate, and supporting seat has a chamber, and chamber mates with measurement plate, and cover plate is fixed on supporting seat bottom by the second screw.
Compared with prior art, the utlity model has following beneficial effect:
1. design with circular arc and locate the sliding sleeve of sword and can slide, when measuring crankshaft front end conical surface gauge cross section to crankshaft end-face fore-and-aft distance, measure assembly and tested crankshaft front end conical surface energy fast automatic centering (centering);
2. gauge head axle is with plane gauge head, and measurement result is reproducible;
3. by design standards, proofread assembly, measuring process reading fast, accurately;
4. the special placing modules of configuration, inserts measurement assembly in placing modules after measurement, effectively the measurement sword on protection plate.
Accompanying drawing explanation
Fig. 1 measures modular construction schematic diagram in the utility model;
Fig. 2 is placing modules structural representation in the utility model;
Fig. 3 is the utility model Plays check and correction modular construction schematic diagram;
Fig. 4 measures assembly partial schematic diagram (circular arc location sword is shown and measures sword) in the utility model;
Fig. 5 is that the utility model carries out standard check and correction view;
Fig. 6 utilizes the utility model to measure crankshaft front end conical surface gauge cross section to the fore-and-aft distance view of crankshaft front end face;
Fig. 7 is that the utility model is placed preservation state schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, an embodiment of the present utility model is described in detail, but is to be understood that protection domain of the present utility model is not subject to the restriction of embodiment.
The device of detection bent axle geometric configuration of the present utility model is mainly whether the physical dimension of the fast detecting bent axle for how meets the requirements and design, and specifically by measuring the scale error scope of proofreading part to crankshaft front end face fore-and-aft distance and standard in crankshaft front end conical surface gauge cross section, judges that whether specific product is qualified.This device comprises standard check and correction part and measures assembly, standard check and correction part provides the mark value of the specific crankshaft front end conical surface gauge cross section of detection needs to crankshaft front end face fore-and-aft distance, measure assembly and take this value of mark as reference quantity, by concrete measurement crankshaft front end conical surface gauge to be detected cross section to crankshaft front end face fore-and-aft distance and this reference quantity to recently determining error range, and then judge whether the physical dimension of concrete bent axle meets the requirements.
The physical dimension that first the present embodiment is measured this device is carried out simple explanation, so-called gauge cross section, just refers to that the bent axle of concrete engine is according to matching requirements, rationally determines an xsect at crankshaft front end conical surface place, the diameter of this xsect is that D(is referring to Fig. 3), such as D is φ 38.Gauge cross section to crankshaft front end face fore-and-aft distance is this xsect to the distance H (referring to Fig. 3) of crankshaft front end end face, and the device that the present embodiment provides is exactly to judge that by measuring the deviation of the distance H that concrete crankshaft front end conical surface gauge cross section to crankshaft front end face fore-and-aft distance and this standard component improve whether the physical dimension of concrete bent axle is qualified.
As shown in Figure 1, measure assembly 20 and mainly comprise: measuring unit 1, gauge head axle 2, measurement sword 33 and dial gauge 4, measuring unit 1 is long cylindrical body structure, inside is stepped appearance through hole, specifically comprises pilot hole part 11 and measured hole part 12, gauge head axle 2 is the column with plane gauge head 21, and column is inserted in pilot hole part 11 and slides up and down, and its technical requirement is slided without clamping stagnation, and plane gauge head 21 is in measured hole part 12, measure sword 33 and be located at measured hole part 11 front ends, particularly, measure sword 33 and be located at measurement plate 3 middle (referring to Fig. 4), measure plate 3 and be fixed on measured hole part 12 front ends by the first screw 31, not loosening in order to guarantee to measure plate 3, utilize straight pin 32 to position, measuring sword 33 is that ring bodies and its interior diameter are consistent with mark value (specifically referring to dimension D in Fig. 3, above narrate), when detecting, the crankshaft front end conical surface enters measured hole part 12 through measuring plate 3, when the crankshaft front end conical surface mates with measurement sword 33 internal diameters, crankshaft front end face and plane gauge head 21 butts, dial gauge 4 is arranged on pilot hole part 11 upper ends, in the present embodiment, specifically install like this, first in pilot hole part 11 upper ends, tight cap 6 is housed, it is the little cylindrical body structure with boss 61, in endoporus, be provided with lining (unmarked in figure), the front end of tight cap 6 is inserted in pilot hole part 11, utilizing boss 61 to be connected on the edge of pilot hole part 11 positions, dial gauge 4 is arranged in lining, the probe of dial gauge 4 is connected to the column front end of gauge head axle 2, for fixing dial gauge 4, on tight cap 6 sidewalls, be provided with lock-screw 62, the front end of lock-screw 62 is connected to lining outer wall.In order to drive gauge head axle 2 to move up and down, between gauge head axle 2 column parts and the front end of tight cap 6, be provided with holddown spring 8, when detecting, holddown spring 8 drives the plane gauge head 21 of gauge head axle 2 to be connected on crankshaft front end face.When detecting, dial gauge 4 is determined zero-bits (concrete operations see below) according to standard check and correction part 10, when detecting concrete crankshaft front end conical surface gauge cross section to crankshaft front end face fore-and-aft distance, determines the deviation of itself and standard value according to the number of division of dial gauge 4, for the crankshaft front end conical surface is carried out to precision centering, this device also comprises sliding sleeve 5, it is located at measured hole part 12 inside and slides up and down, at sliding sleeve 5 front ends, be provided with circular arc location sword 51(referring to Fig. 4), circular arc location sword 51 and measuring unit 1 coaxial cable, in order to drive sliding sleeve 5 to move up and down, between sliding sleeve 5 and measuring unit 1 ladder step (unmarked in figure), be provided with retainer spring 7, when detecting, retainer spring 7 drives sliding sleeve 5 to contact with the crankshaft front end conical surface, by design circular arc location sword 51, can slide up and down, can solve the problem that causes centering (centering) the property variation of measuring assembly due to the foozle of tested bent axle conical surface cone angle.
In addition, at gauge head axle 2 center sections, be provided with stopper slot 22, on measuring unit 1 sidewall, be provided with stop screw 13 with stopper slot 22 corresponding positions, stop screw 13 guarantees that gauge head axle 2 can not depart from measuring unit 1, but, the needs that when spacing scope is answered coincidence measurement, gauge head axle 2 moves up and down.
As shown in Figure 2; for protection sword 33 is not damaged; also comprise placing modules 30; it comprises supporting seat 301 and cover plate 302; supporting seat 301 has a chamber 304, in the middle of cover plate 302, is provided with through hole 305, and bottom surface is provided with groove 306; chamber 304 coordinates with measurement plate 3 sizes, and cover plate 302 is fixed on supporting seat 301 bottoms by the second screw 303.
As shown in Figure 4, when specifically measuring, by measurement assembly with hand enter on the tested bent axle conical surface (depress measure component process can not wheel measuring assembly, prevent from damaging the bent axle conical surface), when the measurement sword 33 on measuring plate 3 just clamps the tested bent axle conical surface, measure the theoretical gauge of assembly cross section overlap with the cross section, gauge size place of tested bent axle material object (coplanar), simultaneously, locate left and right by the circular arc location sword 51 on sliding sleeve 5, guarantee crankshaft center line and the dead in line of measuring assembly 20, in this process, crankshaft front end face drives on plane gauge head 21 and moves, and the column front end of gauge head axle 2 and dial gauge probe butt (referring to Fig. 1), dial gauge shows reading.
Below for using the concrete steps of this device:
As shown in Figure 5, first determine the reference value of measuring assembly 20, be specially, standard is proofreaded to part 10 and be placed on platform with measurement assembly 20, and locate sword 51 and measure sword 33 by clean cotton wiping circular arc.Particularly, as shown in Figure 3, the body part 101 of standard check and correction part 10 is fixed on base 102 by the second screw 104, and base 102 bottoms are designed to concave structure (unmarked in figure), and design base can facilitate placement standard check and correction part.The concrete size design of the body part 101 of standard check and correction part 10 is above narrated.Above-mentioned using method is installed, compresses and measure assembly 20, now, the degree setting of dial gauge 4 is zero.
As shown in Figure 6, concrete crankshaft front end conical surface gauge cross section to the fore-and-aft distance of crankshaft front end face to be detected is measured, according to the method described above measurement assembly 20 use hands are entered particularly on tested bent axle 40 conical surfaces (depress measure component process can not wheel measuring assembly, prevent from damaging the bent axle conical surface), now, the reading of dial gauge 4 is concrete crankshaft front end conical surface gauge cross section to the fore-and-aft distance of crankshaft front end face and the error between standard value, easy to detect, accurately.
As shown in Figure 7, after detection finishes, in order to protect this device, according to method mentioned above, measurement assembly 20 is inserted in placing modules 30 and deposited.
Disclosed is above only specific embodiment of the utility model, and still, the utility model is not limited thereto, and the changes that any person skilled in the art can think of all should fall into protection domain of the present utility model.
Claims (9)
1. a device that detects bent axle geometric configuration, it is used for measuring crankshaft front end conical surface gauge cross section to crankshaft front end face fore-and-aft distance, it is characterized in that, comprise standard check and correction part and measure assembly, described standard check and correction part provides the mark value of the specific crankshaft front end conical surface gauge cross section of detection needs to crankshaft front end face fore-and-aft distance, and described measurement assembly comprises:
Measuring unit, its inside is stepped appearance through hole, is specially pilot hole part and measured hole part;
Gauge head axle, it is the column with plane gauge head, and described column is inserted in described pilot hole part and slides up and down, and described plane gauge head is in described measured hole part;
Measure sword, it is located at described measured hole part front end, described measurement sword is that ring bodies and its interior diameter are consistent with described mark value, when detecting, the crankshaft front end conical surface enters described measured hole part through described measurement sword, when the described crankshaft front end conical surface mates with described measurement sword internal diameter, described crankshaft front end face and described plane gauge head butt;
Dial gauge, it is arranged on described pilot hole part upper end, when detecting, described dial gauge is determined zero-bit according to described standard check and correction part, when detecting concrete crankshaft front end conical surface gauge cross section to crankshaft front end face fore-and-aft distance, according to the number of division of described dial gauge, determine the deviation of itself and described standard value.
2. the device of detection bent axle geometric configuration according to claim 1, it is characterized in that, also comprise sliding sleeve, it is located at described measured hole inside and slides up and down, at described sliding sleeve front end, be provided with circular arc location sword, described circular arc location sword and described measuring unit coaxial cable.
3. the device of detection bent axle geometric configuration according to claim 2, is characterized in that, between described sliding sleeve and described measuring unit ladder step, is provided with retainer spring, and when detecting, described retainer spring drives described sliding sleeve to contact with the described crankshaft front end conical surface.
4. the device of detection bent axle geometric configuration according to claim 1, it is characterized in that, in described pilot hole part upper end, be also provided with tight cap, it is the cylindrical body with boss, the front end of described tight cap is inserted in described pilot hole part and described boss is connected on the edge of described pilot hole part, and described dial gauge is arranged on described tight cap tail end by lining.
5. the device of detection bent axle geometric configuration according to claim 4, it is characterized in that, described gauge head jack-post shape body divide and the front end of described tight cap between be provided with holddown spring, when detecting, described holddown spring drives the plane gauge head of described gauge head axle to be connected on described crankshaft front end face.
6. the device of detection bent axle geometric configuration according to claim 5, is characterized in that, at described gauge head axle center section, is provided with stopper slot, on described measuring unit sidewall, is provided with stop screw with described stopper slot corresponding position.
7. the device of detection bent axle geometric configuration according to claim 4, is characterized in that, on described tight cap sidewall, is provided with lock-screw, and the front end of described lock-screw is connected to described lining outer wall.
8. according to the device of the arbitrary described detection bent axle geometric configuration of claim 1 to 7, it is characterized in that, described measurement sword is located to be measured on plate, and described measurement plate is fixed on described measured hole part front end by the first screw.
9. the device of detection bent axle geometric configuration according to claim 8, is characterized in that, also comprises placing modules, it comprises supporting seat and cover plate, described supporting seat has a chamber, and described chamber mates with described measurement plate, and described cover plate is fixed on described supporting seat bottom by the second screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320544341.6U CN203414038U (en) | 2013-08-30 | 2013-08-30 | Device testing crankshaft geometrical shape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320544341.6U CN203414038U (en) | 2013-08-30 | 2013-08-30 | Device testing crankshaft geometrical shape |
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| Publication Number | Publication Date |
|---|---|
| CN203414038U true CN203414038U (en) | 2014-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320544341.6U Withdrawn - After Issue CN203414038U (en) | 2013-08-30 | 2013-08-30 | Device testing crankshaft geometrical shape |
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| Country | Link |
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| CN (1) | CN203414038U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103486932A (en) * | 2013-08-30 | 2014-01-01 | 广西玉柴机器股份有限公司 | Device for detecting geometrical shape of crankshaft |
| CN104111049A (en) * | 2014-08-12 | 2014-10-22 | 广西玉柴机器股份有限公司 | Auxiliary tool for detecting conical surface size of crankshaft |
| CN105841588A (en) * | 2016-06-03 | 2016-08-10 | 陕西法士特齿轮有限责任公司 | Fork shaft axial size auxiliary measuring device and use method |
| CN109974564A (en) * | 2019-05-06 | 2019-07-05 | 广西玉柴机器股份有限公司 | A kind of journal oil bore edges detection device |
-
2013
- 2013-08-30 CN CN201320544341.6U patent/CN203414038U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103486932A (en) * | 2013-08-30 | 2014-01-01 | 广西玉柴机器股份有限公司 | Device for detecting geometrical shape of crankshaft |
| CN103486932B (en) * | 2013-08-30 | 2016-01-13 | 广西玉柴机器股份有限公司 | Detect the device of bent axle geometric configuration |
| CN104111049A (en) * | 2014-08-12 | 2014-10-22 | 广西玉柴机器股份有限公司 | Auxiliary tool for detecting conical surface size of crankshaft |
| CN105841588A (en) * | 2016-06-03 | 2016-08-10 | 陕西法士特齿轮有限责任公司 | Fork shaft axial size auxiliary measuring device and use method |
| CN109974564A (en) * | 2019-05-06 | 2019-07-05 | 广西玉柴机器股份有限公司 | A kind of journal oil bore edges detection device |
| CN109974564B (en) * | 2019-05-06 | 2024-05-03 | 广西玉柴机器股份有限公司 | Journal oil hole edge detection device |
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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: 20140129 Effective date of abandoning: 20160113 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |