CN104344784B - Coaxiality detection device for different types of brake drums - Google Patents
Coaxiality detection device for different types of brake drums Download PDFInfo
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- CN104344784B CN104344784B CN201410691185.5A CN201410691185A CN104344784B CN 104344784 B CN104344784 B CN 104344784B CN 201410691185 A CN201410691185 A CN 201410691185A CN 104344784 B CN104344784 B CN 104344784B
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Abstract
The invention discloses a coaxiality detection device for different types of brake drums, and belongs to the technical field of automobile part detection. According to the coaxiality detection device, a rolling support seat is arranged in the center of a working table, an inner hole positioning assembly is arranged in the support seat, a front positioning plate and a rear positioning plate are arranged on the two sides of the working table in parallel, a measuring rod assembly is arranged on a turning plate which is hinged to the rear positioning plate, and the turning plate is positioned through matching of a positioning pin on the turning plate and a positioning pin sleeve at the upper end of the front positioning plate. Through cooperative use of the inner hole positioning assembly and the measuring rod assembly on the turning plate, the detection efficiency is improved on the premise of guaranteeing the detection accuracy, the requirement on a detection environment is low, the production cost is reduced, 100 percent on-line full detection of the brake drums is realized, and the different types of brake drums can be detected by replacing inner hole positioning columns of different sizes.
Description
Technical field
The present invention relates to auto parts and components detection technique field, more particularly, it relates to a kind of same for dissimilar brake drum
Axle degree detection device.
Background technology
Automobile brake drum is the important safety part of running car braking, and the quality of automobile brake drum directly influences the traveling peace of automobile
Entirely, being related to the safety driving people and goods's property, the quality of automobile brake drum is had very by the most each automobile production producer
Strict detection and control standard.Current domestic each vehicle bridge manufacturing firm mainly uses three to form and position tolerances such as the axialities of brake drum
Coordinate measurement, owing to three coordinate cubings are expensive, to using, environmental requirement is higher, cannot meet online 100% in actual production
Measure, can only realize by batch sampling observation.Also part small enterprise is had to use the brake drum cubing improved, but these cubing low precisions,
And be to detect for same type of brake drum mostly, it is impossible to meet the detection demand to dissimilar brake drum.Therefore,
Design a kind of polytype brake drum can be detected and on-line measuring device that precision high cost is cheap just seems the most necessary
With urgent.
Through retrieval, there is part open about the technical scheme of automobile brake drum detection.Chinese Patent Application No.:
201320001194.8, the day for announcing: on June 26th, 2013, invention and created name is: one is used for detecting brake drum assembly and jumps
Dynamic accessory, the right angle bearing in this patent formula and a bearing are separately fixed at the two of base in height difference plane, logical
Cross the combination of different support shafts and lining, the detection that brake drum assembly before different model is beated can be met.When detecting,
Front wheel brake assembly is fixed by tightening planet handle.Rotating handwheel, handwheel drives screw mandrel to rotate, and moves through transmission and makes slide block
Move up and down relative to guide rail, and complete detection by the compound motion rotated with workpiece that moves up and down of dial gauge.This patent side
Case is to detect the brake drum assembly after assembling, and its influence factor has bearing outer ring and the cooperation of wheel hub and brake drum single-piece
The accuracy of manufacture, it is impossible to meet the detection demand to brake drum axiality, it is impossible to ensure precision.
Chinese Patent Application No.: 201320808013.2, the day for announcing: on April 30th, 2014, invention and created name is: a kind of
Brake drum total run-out cubing, this application case discloses a kind of brake drum total run-out cubing, including workbench, measurement equipment, braking
Drum, also includes the spindle nose installed on the table, assembles wheel hub and hub bearing on spindle nose, and brake drum is placed on wheel hub,
Being also equipped with rail brackets on the table, install line slideway in described rail brackets side and pay, described line slideway is paid
Being provided with slide, Connection Bracket on slide, system is stretched into equipped with described measurement equipment, described measurement equipment in the end of fixed mount
Dynamic drum is interior and is resisted against in the inner circle of brake drum.Shortcomings in this patent formula structure, is not preferable solution, also wants
Improve further.
Summary of the invention
1. invention to solve the technical problem that
It is an object of the invention to overcome three coordinate cubing costs height in prior art, maintenance difficulty, correcting process loaded down with trivial details and general
Logical cubing precision is low, cannot realize the deficiency of multi items brake drum detection, it is provided that a kind of coaxial for dissimilar brake drum
Degree detection device, it is achieved that the 100% of brake drum detects online completely, and low to detection environmental requirement, and accuracy of detection is high, and
By changing various sizes of Internal hole positioning post, different types of brake drum can be detected.
2. technical scheme
For reaching above-mentioned purpose, the technical scheme that the present invention provides is:
A kind of axiality detection device for dissimilar brake drum of the present invention, including workbench, also include rolling support seat,
Internal hole positioning assembly, turnover panel and measurement bar assembly, the center of described workbench is equipped with rolling support seat, at the two of workbench
Side is arranged with prelocalization plate and rear position plate in parallel, and the top of described rear position plate is hinged with one end of turnover panel, another of turnover panel
Holding equipped with positioning needle, the upper end of described prelocalization plate is equipped with location needle guard, and turnover panel and prelocalization plate are by positioning needle, positioning needle
Cooperation between set is located by connecting；
Described measurement bar assembly is installed on turnover panel, for detecting brake drum to be detected；
Described Internal hole positioning assembly is installed on workbench, for positioning brake drum endoporus to be detected.
As further improvement of the present invention, described measurement bar assembly include dial gauge, dial gauge fixation clamp, regulation guide rod,
Tie down screw, measuring staff pin, gauge stand and measurement bar, wherein: offer the measurement bar installing hole of vertical turnover panel end face in turnover panel side,
Gauge stand is installed in this measurement bar installing hole, and connected with turnover panel by bolt at the shoulder of gauge stand, and described gauge stand is sleeved on tune
Saving guide rod periphery, and gauge stand is slidably connected with regulation guide rod, offers screwed hole on the upside of gauge stand, tie down screw is by this screw thread
Hole secured adjusted guide rod；The upper end of described regulation guide rod is provided with dial gauge fixation clamp, and described dial gauge is by this dial gauge
Fixation clamp is arranged on regulation guide rod；Offer through hole in the inside of regulation guide rod, at this through hole built with measuring bar, measuring
The middle part of bar offers pin-and-hole, and measuring staff pin makes measurement bar hinged with regulation guide rod through this pin-and-hole, described one end measuring bar and
The contact of dial gauge contacts, and the other end of measurement bar arranges l-shaped and stretches out the lower end of regulation guide rod, and is measuring bar L-type end
Head be provided with ball, this ball is for contacting with the braking surface of brake drum to be detected.
As further improvement of the present invention, described Internal hole positioning assembly includes positioning pin and Internal hole positioning post, wherein:
One end of described location pin is provided with bearing, and Internal hole positioning column sleeve is contained on bearing outer ring；Offer first on the table
Hole, location and the second hole, location, the first described hole, location and the second hole, location are symmetrically distributed in the same diameter line of rolling support seat
On, described location pin is arranged in the first hole, location and the second hole, location, and this location pin and the first hole, location, second calmly
Position interporal lacuna coordinates, and forms dismountable Internal hole positioning assembly.
As further improvement of the present invention, described regulation guide rod is also equipped with adjusting pin and spring pilot pin, described tune
Whole pin is arranged on the side that regulation guide rod upper end is relative with dial gauge, and described spring pilot pin is arranged on regulation guide rod upper end and hundred
The side that point table is identical, spring pilot pin, towards measuring one end of bar equipped with spring, changes spring pair by regulation spring pilot pin
Measure the pressure of bar.
As further improvement of the present invention, described turnover panel is positioned on the end face of prelocalization plate one end equipped with handle；This turnover panel
With the upper surface of rear position plate hinged end equipped with butterfly, these butterfly both sides form a knuckle, and screw is passed through in knuckle side
It is connected on turnover panel, and knuckle summit is in the same plane with the lateral surface of rear position plate.
As further improvement of the present invention, described rolling support seat includes that end face rolls seat, steel ball and Rolling base, institute
The Rolling base stated is located at the upper surface center of workbench, and by bolt, Rolling base is fixed on the table, described
End face rolls on the downside of seat and the upside of Rolling base is designed with annular groove, at this annular groove built with steel ball, is used for making end face
Roll the seat central axis around Rolling base.
A kind of coaxiality detecting method for dissimilar brake drum of the present invention, the steps include:
Step one, detection prepare:
Mention the handle of axiality detection device for dissimilar brake drum, drive positioning needle to separate, simultaneously with location needle guard
Make turnover panel rotate around pin joint, and limit position of rotation by butterfly；
Step 2, brake drum position:
The brake drum needing detection is placed on rolling support seat, selects Internal hole positioning assembly according to brake drum internal diameter size, pass through
Internal hole positioning assembly is installed in the first hole, location and the second hole, location by location pin, and makes the cylindrical of two Internal hole positioning posts
Face all contacts with the inner headed face of brake drum, constitutes radially location；
Step 3, to measure bar assembly location:
Mention handle, make turnover panel return back to horizontal level around pin joint, and guarantee that positioning needle coordinates closely with location needle guard, make survey
Gauge rod assembly is positioned at vertical direction and cannot rock；
Step 4, regulation measurement bar:
By tie down screw, the height of regulation guide rod is adjusted, surveys by changing the depth limit of adjusting pin and spring pilot pin
The slewing area of gauge rod, makes the contact of measurement bar be in close contact with brake drum braking surface endoporus；
Step 5, complete detection:
Rotation brake drum, makes brake drum roll at end face and rotates on seat, and the change in value of observation dial gauge is obtained by data analysis
Go out testing result, take out brake drum, carry out next round detection.
3. beneficial effect
The technical scheme using the present invention to provide, compared with prior art, has the advantages that
(1) a kind of axiality detection device for dissimilar brake drum of the present invention, measures the measurement bar one end in bar assembly
Contacting with brake drum braking surface, the other end contacts with dial gauge, by using lever construction principle by brake drum braking surface axiality
Detection data value shows on dial gauge, simple in construction, and accuracy of detection is high, and use cost is low；By regulation measure bar assembly and
The Internal hole positioning post changing various outer diameter size can detect the brake drum of dissimilar size, it is achieved that polymorphic type brake drum general
Measure.
(2) a kind of axiality detection device for dissimilar brake drum of the present invention, Internal hole positioning assembly is installed on symmetrical point
The cloth the first hole, location and second on same RADIAL positions in hole, and the Internal hole positioning post in Internal hole positioning assembly can be around fixed
Position pin rotates, and meets rotation testing requirement, makes brake drum to be detected radially be positioned, further increases accuracy of detection；
(3) a kind of axiality detection device for dissimilar brake drum of the present invention, in end face rolls the annular groove of seat
Equipped with steel ball, end face is made to roll observation value in the seat central axis around Rolling base, and the energy directly dial gauge from turnover panel
Change, it is simple to measure；
(4) a kind of axiality detection device for dissimilar brake drum of the present invention, owing to using simple lever when measuring
Principle, positioning needle coordinates location with location needle guard, and it is fixed to utilize two Internal hole positioning post assemblies being radially arranged to carry out brake drum
Position, it is possible to easily and fast brake drum is carried out on-line checking, and accuracy of detection is high, simple to operate, low cost, it is simple to push away
Wide use.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of a kind of axiality detection device for dissimilar brake drum of the present invention；
Fig. 2 is the plan structure schematic diagram of a kind of axiality detection device for dissimilar brake drum of the present invention；
Fig. 3 is the structural representation of D-D direction section view in Fig. 2；
Fig. 4 is the structural representation of rolling support seat in the present invention.
Label declaration in schematic diagram: 1, workbench；2, rolling support seat；201, end face rolls seat；202, steel ball；203、
Rolling base；3, location pin；4, Internal hole positioning post；5, prelocalization plate；6, positioning needle；7, handle；8, turnover panel；9、
Measure bar assembly；901, dial gauge；902, dial gauge fixation clamp；903, regulation guide rod；904, adjusting pin；905, locking
Screw rod；906, measuring staff pin；907, gauge stand；908, bar is measured；909, spring；910, spring pilot pin；10, gear is rotated
Plate；11, rear position plate.
Detailed description of the invention
For further appreciating that present disclosure, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment 1
In conjunction with Fig. 1, Fig. 2, Fig. 3 and Fig. 4, a kind of axiality detection device for dissimilar brake drum of the present embodiment,
Mainly it is made up of, if Fig. 1 is this workbench 1, rolling support seat 2, Internal hole positioning assembly, turnover panel 8 and measurement bar assembly 9 etc.
The structural representation being placed with brake drum of embodiment, in the center of workbench 1 equipped with rolling support seat 2, makes when being used for detecting
Brake drum can be freely rotatable, is arranged with prelocalization plate 5 and rear position plate 11 in parallel in the both sides of workbench 1, and described is rear fixed
The top of position plate 11 is hinged with one end of turnover panel 8, and is provided with butterfly 10 at this hinged end, this butterfly 10 both sides shape
Becoming a knuckle, knuckle side is connected on turnover panel 8 by screw, and knuckle summit and the lateral surface of rear position plate 11 are positioned at same flat
On face, for limiting the position of rotation of turnover panel 8；The other end of turnover panel 8 equipped with positioning needle 6, described prelocalization plate 5 upper
Holding equipped with location needle guard, turnover panel 8 is located by connecting by coordinating between positioning needle 6, location needle guard with prelocalization plate 5,
Quickly turnover panel can be positioned, it is to avoid measure bar assembly during detection and shake.Operate for convenience, turnover panel 8
On the end face of prelocalization plate 5 one end, it is also equipped with handle 7, is favorably improved detection efficiency.
Measurement bar assembly 9 in the present embodiment is installed on (such as Fig. 3) on turnover panel 8, for detecting brake drum to be detected.
This measurement bar assembly 9 includes dial gauge 901, dial gauge fixation clamp 902, regulation guide rod 903, tie down screw 905, measuring staff pin
906, gauge stand 907 and measurement bar 908, offer the measurement bar installing hole of vertical turnover panel 8 end face, this measurement in turnover panel 8 side
Gauge stand 907 is installed in bar installing hole, and connected with turnover panel 8 by bolt at the shoulder of gauge stand 907, described gauge stand 907
It is sleeved on regulation guide rod 903 periphery, and gauge stand 907 is slidably connected with regulation guide rod 903, can be by adjusting regulation guide rod 903
Height the braking surface of diverse location in brake drum is detected.Additionally, be further opened with screwed hole on the upside of gauge stand 907, lock
Tight screw rod 905 is by this screwed hole secured adjusted guide rod 903；In the upper end of regulation guide rod 903, dial gauge fixation clamp 902 is installed,
Described dial gauge 901 is arranged on regulation guide rod 903 by this dial gauge fixation clamp 902, is used for showing measurement change.?
The inside of regulation guide rod 903 offers through hole, at this through hole built with measuring bar 908, offers at the middle part measuring bar 908
Pin-and-hole, measuring staff pin 906 makes measurement bar 908 hinged with regulation guide rod 903 through this pin-and-hole, forms lever construction.Measure bar 908
One end contact with the contact of dial gauge 901, measure the other end of bar 908 and l-shaped is set stretches out regulation guide rod 903 times
End, and it is provided with ball at the head measuring bar 908L type end, this ball is for the braking surface with brake drum to be detected
Contact, to increase accuracy of detection.
Being also equipped with adjusting pin 904 and spring pilot pin 910 on above-mentioned regulation guide rod 903, adjusting pin 904 is arranged on regulation and leads
The side that bar 903 upper end is relative with dial gauge 901, for limiting the rotating range measuring bar 908；Spring pilot pin 910 is pacified
Being contained in the side that regulation guide rod 903 upper end is identical with dial gauge 901, spring pilot pin 910 is towards one end dress measuring bar 908
Have spring 909, by regulation spring pilot pin 910 change spring 909 to measure bar 908 pressure, it is ensured that ball with
Measuring surface is fully contacted, it is ensured that certainty of measurement.
Measurement bar assembly 9 is one of key technology of the present embodiment, and regulation guide rod 903 therein is by dial gauge fixation clamp 902
Connect dial gauge 901, measure bar 908 and in regulation guide rod 903 endoporus, formation lever can be rotated around measuring staff pin 906, will beat
Change reflection is to opposite side.Adjusting pin 904 limits the rotating range measuring bar 908, controls to measure position by tie down screw 905
Degree of setting high, so that measuring the bar 908 detection faces at correct position detection brake drum；Spring pilot pin 910 on regulation guide rod 903
Holddown spring 909, it is ensured that measure the necessary pressure of bar 908, it is ensured that inspection numerical value accurately and reliably, can be accurately by table in brake drum
Face endoporus is beated and is reflected on the dial gauge being fixed on turnover panel 8, easily observes.
Internal hole positioning assembly in the present embodiment is installed on workbench 1, for positioning brake drum endoporus to be detected.
This Internal hole positioning assembly, by positioning pin 3 and Internal hole positioning post 4 forms, is provided with bearing, endoporus in one end of location pin 3
Locating dowel 4 is sleeved on bearing outer ring；In order to by Internal hole positioning assembly dress and workbench, workbench 1 offer first
Hole, location and second positions hole, and the first hole, location and the second hole, location are symmetrically distributed on the same diameter line of rolling support seat 2,
Described location pin 3 is arranged in the first hole, location and the second hole, location, utilizes the Internal hole positioning post on same diameter line during location
4 make brake drum to rock, it is ensured that positioning precision during detection.Additionally, location pin 3 and the first hole, location, second calmly
Position interporal lacuna coordinates, it is ensured that facilitate the dismounting of Internal hole positioning assembly while precision, fixed by changing the endoporus of various outer diameter size
Position post 4 can detect the brake drum of different model size, it is achieved that the universal measurement of polymorphic type brake drum.
Rolling support seat 2 in the present embodiment includes that end face rolls seat 201, steel ball 202 and Rolling base 203 (such as Fig. 4),
Described Rolling base 203 is located at the upper surface center of workbench 1, and by bolt, Rolling base 203 is fixed on work
On platform 1, end face rolls on the downside of seat 201 and the upside of Rolling base 203 is designed with annular groove, this annular groove built with
Steel ball 202, for making end face rolling seat 201 around the central axis of Rolling base 203, meets testing requirement.
The present embodiment is selected a brake drum carry out the detection method of detection explanation axiality, the steps include:
Step one, detection prepare: mention the handle 7 of the axiality detection device for dissimilar brake drum, drive positioning needle 6
Separate with location needle guard, make turnover panel 8 rotate around pin joint simultaneously, and limit position of rotation by butterfly 10；
Step 2, brake drum position: be placed on rolling support seat 2, the brake drum needing detection according to brake drum internal diameter size
Select Internal hole positioning assembly, by location pin 3, Internal hole positioning assembly is installed in the first hole, location and the second hole, location, and
And make the periphery of two Internal hole positioning posts 4 all contact with the inner headed face of brake drum, constitute radially location；
Step 3, position measuring bar assembly 9: mention handle 7, make turnover panel 8 return back to horizontal level around pin joint, and really
Protect positioning needle 6 to coordinate closely with location needle guard, make measurement bar assembly 9 be positioned at vertical direction and cannot rock；
Step 4, regulation measure bar 908: first determine the position height of measured brake drum, and will be adjusted by tie down screw 905
The regulation guide rod 903 of whole good height is locked, and measures bar 908 by changing the depth limit of adjusting pin 904 and spring pilot pin 910
Slewing area, make the contact of measurement bar 908 be in close contact with brake drum braking surface endoporus；
Step 5, complete detection: rotation brake drum, make brake drum roll at end face and rotate on seat 201, observe dial gauge 901
Change in value, draw testing result by data analysis, take out brake drum, carry out next round detection.
After completing one-shot measurement, detect in the detection device of the present embodiment can being directly placed into for the brake drum of same type,
In order to improve accuracy of detection further, with the use of tie down screw 905, multiple height and positions can be detected, to not coordination
Put and carry out detection and can reflect workpiece quality on the whole.
Chinese Patent Application No.: the technical scheme of the 201320001194.8 entitled a kind of brake drum total run-out cubings of invention disclosed,
The program coordinates location, lever indicator detection brake drum braking surface by the bearing on conical external circle with the bearing outer ring in wheel hub
Beat, owing to the result of the bearing outer ring detection and localization in wheel hub being the braking surface of whole brake drum hub assembly after assembling
Axiality, wherein influence factor has bearing outer ring and the cooperation of wheel hub and an accuracy of manufacture of single-piece, wheel hub and brake drum coordinate and
The accuracy of manufacture of single-piece；Its dial gauge connecting rod is connected by screw in compression, and is in vacant state, dial gauge in use
Stress easily loosens, and affects certainty of measurement；Just can complete additionally, the dial indicator measuring head of this device must stretch into inside brake drum
Detection, causes measured value to be difficult to observe.And the axiality detection device for dissimilar brake drum that the present embodiment is provided,
Measurement bar 908 one end measured in bar assembly 9 contacts with brake drum braking surface, and the other end contacts with dial gauge 901, by adopting
By lever construction principle, brake drum braking surface axiality detection data value is shown on dial gauge 901, simple in construction, detection essence
Degree height, it is achieved that the universal measurement of polymorphic type brake drum, and convenient reading, use cost is low.Use the coaxial of the present embodiment
Degree detection method, is placed on brake drum during measurement in the detection device of the present embodiment, owing to brake drum location and contact site are adopted
Use bearing box rolling supporting structure, during detection, only need light manual rotation brake drum, both can be by the measurement bar assembly on turnover panel 8
9 measure brake drum braking coaxiality of inner hole accurately and conveniently, and without repeating correction adjustment when detecting for same type brake drum
Pin 904.The method can carry out on-line checking easily and fast to brake drum, and accuracy of detection is high, simple to operate, cost
Low, it is simple to promote the use of.
Schematically being described the present invention and embodiment thereof above, this description does not has restricted, shown in accompanying drawing yet
Simply one of embodiments of the present invention, actual structure is not limited thereto.So, if those of ordinary skill in the art
Enlightened by it, in the case of without departing from the invention objective, design the knot similar to this technical scheme without creative
Structure mode and embodiment, all should belong to protection scope of the present invention.
Claims (4)
1. for an axiality detection device for dissimilar brake drum, including workbench (1), it is characterised in that: also include
Rolling support seat (2), Internal hole positioning assembly, turnover panel (8) and measurement bar assembly (9), the center of described workbench (1)
Place, equipped with rolling support seat (2), is arranged with prelocalization plate (5) and rear position plate (11) in parallel in the both sides of workbench (1),
The top of described rear position plate (11) is hinged with one end of turnover panel (8), and described turnover panel (8) is positioned at prelocalization plate (5)
Equipped with handle (7) on the end face of one end；The other end of turnover panel (8) equipped with positioning needle (6), described prelocalization plate (5)
Upper end is carried out by coordinating between positioning needle (6), location needle guard with prelocalization plate (5) equipped with location needle guard, turnover panel (8)
It is located by connecting；
Described measurement bar assembly (9) is installed on turnover panel (8), for detecting brake drum to be detected；
Described Internal hole positioning assembly is installed on workbench (1), for positioning brake drum endoporus to be detected；Described
Internal hole positioning assembly include positioning pin (3) and Internal hole positioning post (4), wherein: one end of described location pin (3)
Being provided with bearing, Internal hole positioning post (4) is sleeved on bearing outer ring；Workbench (1) offers the first hole, location and
Two hole, location, the first described hole, location and the second hole, location are symmetrically distributed on the same diameter line of rolling support seat (2), institute
State location pin (3) to be arranged in the first hole, location and the second hole, location, and this location pin (3) and the first hole, location, the
Two location interporal lacunas coordinate, and form dismountable Internal hole positioning assembly.
A kind of axiality detection device for dissimilar brake drum the most according to claim 1, it is characterised in that: institute
Measurement bar assembly (9) stated includes dial gauge (901), dial gauge fixation clamp (902), regulation guide rod (903), tie down screw
(905), measuring staff pin (906), gauge stand (907) and measure bar (908), wherein: offer vertically in turnover panel (8) side
The measurement bar installing hole of turnover panel (8) end face, is provided with gauge stand (907) in this measurement bar installing hole, and at gauge stand (907)
Shoulder is connected with turnover panel (8) by bolt, and described gauge stand (907) is sleeved on regulation guide rod (903) periphery, and gauge stand (907)
Being slidably connected with regulation guide rod (903), offer screwed hole in gauge stand (907) upside, tie down screw (905) is by this spiral shell
Pit secured adjusted guide rod (903)；The upper end of described regulation guide rod (903) is provided with dial gauge fixation clamp (902), described
Dial gauge (901) be arranged in regulation guide rod (903) by this dial gauge fixation clamp (902)；In regulation guide rod (903)
Inside offer through hole, this through hole built with measure bar (908), measure bar (908) middle part offer pin-and-hole, survey
Lever pin (906) makes measurement bar (908) hinged with regulation guide rod (903) through this pin-and-hole, described measurement bar (908)
One end contacts with the contact of dial gauge (901), and the other end of measurement bar (908) arranges l-shaped and stretches out regulation guide rod (903)
Lower end, and measure bar (908) L-type end head be provided with ball, this ball for and brake drum to be detected
Braking surface contact.
A kind of axiality detection device for dissimilar brake drum the most according to claim 2, it is characterised in that: institute
Adjusting pin (904) and spring pilot pin (910), described adjusting pin (904) peace it is also equipped with on the regulation guide rod (903) stated
Being contained in the side that regulation guide rod (903) upper end is relative with dial gauge (901), described spring pilot pin (910) is arranged on tune
The side that joint guide rod (903) upper end is identical with dial gauge (901), spring pilot pin (910) is towards measuring bar (908)
One end, equipped with spring (909), changes the spring (909) pressure to measuring bar (908) by regulation spring pilot pin (910).
A kind of axiality detection device for dissimilar brake drum the most according to claim 3, it is characterised in that: institute
The rolling support seat (2) stated includes that end face rolls seat (201), steel ball (202) and Rolling base (203), described rolling
Base (203) is located at the upper surface center of workbench (1), and by bolt, Rolling base (203) is fixed on workbench
(1), on, described end face rolls the upside of seat (201) downside and Rolling base (203) and is designed with annular groove, at this ring
Connected in star, built with steel ball (202), is used for making end face roll the seat (201) central axis around Rolling base (203).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410691185.5A CN104344784B (en) | 2014-11-26 | 2014-11-26 | Coaxiality detection device for different types of brake drums |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410691185.5A CN104344784B (en) | 2014-11-26 | 2014-11-26 | Coaxiality detection device for different types of brake drums |
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| Publication Number | Publication Date |
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| CN104344784A CN104344784A (en) | 2015-02-11 |
| CN104344784B true CN104344784B (en) | 2017-01-11 |
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| CN201410691185.5A Active CN104344784B (en) | 2014-11-26 | 2014-11-26 | Coaxiality detection device for different types of brake drums |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107907037B (en) * | 2017-12-27 | 2023-10-03 | 广西玉柴机器股份有限公司 | Inspection tool for coaxiality consistency of test bench dynamometer |
| CN113008105A (en) * | 2019-12-20 | 2021-06-22 | 长春市春求科技开发有限公司 | Internal spline tooth top circle diameter inspection fixture |
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| CN204188129U (en) * | 2014-11-26 | 2015-03-04 | 安徽工业大学 | A kind of axiality detection device for dissimilar brake drum |
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| KR20010066062A (en) * | 1999-12-31 | 2001-07-11 | 이계안 | Device for measuring precision of brake drum and hub |
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