CN209326875U - A kind of dynamic balance detecting device of axle hub brake drum assembly component - Google Patents
A kind of dynamic balance detecting device of axle hub brake drum assembly component Download PDFInfo
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- CN209326875U CN209326875U CN201822216714.2U CN201822216714U CN209326875U CN 209326875 U CN209326875 U CN 209326875U CN 201822216714 U CN201822216714 U CN 201822216714U CN 209326875 U CN209326875 U CN 209326875U
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- locating cone
- brake drum
- ringfeder
- drum assembly
- frustum
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Abstract
The utility model relates to a kind of dynamic balance detecting devices of axle hub brake drum assembly component, specifically include that dynamic balancing machine, locating cone, pull rod, ringfeder, the first nut, packing washer, the second nut, upper frustum and lower frustum；The utility model can only detect the unbalance dynamic of brake drum or wheel hub single-piece different from conventional apparatus, it is able to detect the unbalance dynamic of the wheel hub brake drum assembly component of installation bearing outer ring, measurement error is small, precision is high, and it according to the various sizes of upper and lower frustum of taper size design for the bearing outer ring that different wheel hub brake drum assembly components are installed, can be widely used in the dynamic balancing detection of the automotive axle wheel hub brake drum assembly component of different cultivars and size.
Description
Technical field
The utility model relates to automotive field, the dynamic balancing of especially a kind of axle hub brake drum assembly component detects dress
It sets.
Background technique
Automobile brake drum and wheel hub are the important safety parts of running car braking, carrying complete vehicle weight and height when running car
Speed operating, the stationarity that automotive axle wheel hub brake drum assembly component runs at high speed directly influence the driving safety of automobile, close
It is to the safety for driving people and goods' property.Each car manufacturer is to the dynamic flat of automotive axle wheel hub brake drum assembly component
Weighing apparatus quality has the very strict standard that detects and controls, and it is de- to may cause axle tag fracture tire when unbalancing value is larger
Fall car crash.
Since the detection of wheel hub brake drum assembly component influences positioning fixture self-centering and clamp structure on workpiece balance
More demanding, domestic each vehicle bridge manufacturing firm uses at present fills brake drum and wheel hub single-piece on dynamic balancing machine with scroll chuck
Folder carries out dynamic balancing inspection detection and mark non-equilibrium site, according to mark non-equilibrium site when brake drum and wheel hub component assemble
180 ° of reverse rotation direction assembly are carried out to offset respective amount of unbalance, but because scroll chuck compresses and unclamp repetitive positioning accuracy
And itself computing ballance correction guarantees that grade is lower, each part hand assembled and each assembly parts aequum difference, the conjunction of wheel hub brake drum assembly
Real balance effect after part assembly can not be controlled effectively.
Utility model content
The purpose of this utility model is to provide a kind of dynamic balance detecting devices of axle hub brake drum assembly component.
To achieve the above object, the utility model uses following technical scheme:
A kind of dynamic balance detecting device of axle hub brake drum assembly component, comprising:
Dynamic balancing machine；
Locating cone, the bottom surface of the locating cone are equipped with positioning groove, are equipped with positioning at the rotation center of the dynamic balancing machine
Hole, the positioning hole are mounted with the positioning sleeve with location hole clearance fit, the upper end of the positioning sleeve stretch out location hole and in
The upper periphery of positioning sleeve is connected with the locating plate matched with the positioning groove, makes in the locating plate insertion positioning groove
Locating cone center line and dynamic balancing machine rotation centerline on the same line, and locating cone be fixed by bolts in it is dynamic flat
On weighing apparatus machine；The through-hole through locating cone, the lower port of the through-hole and the set of positioning sleeve are equipped with along the center line of the locating cone
Mouth communicates；
Pull rod, the pull rod are interspersed in the through-hole of locating cone, and the lower end of pull rod passes through positioning sleeve and passes through with dynamic balancing machine
It is threadedly coupled, the upper end of pull rod is stretched out outside the through-hole of locating cone, and the upper end of pull rod is cased with packing washer and is connected through a screw thread
There is the first nut；
Ringfeder, the ringfeder are set in the top of locating cone, ringfeder inner surface and locating cone clearance fit, and the top of ringfeder
End is higher than the top of locating cone, and the packing washer and the first nut are successively placed on the top of ringfeder；
Upper frustum, the upper frustum are hollow structure, and upper frustum is placed on ringfeder and ringfeder clearance fit；
Second nut, second nut are set on locating cone and are connected through a screw thread with locating cone；
Lower frustum, the lower frustum are hollow structure, and lower frustum is placed on locating cone and locating cone clearance fit, and lower cone
Platform is between upper frustum and the second nut.
Preferably, the middle part of the locating cone is equipped with stage portion, and second nut is located at the top of stage portion.
Preferably, the surface of the pull rod is cased with spring, and the top of pull rod is set with check ring, the check ring position
In the lower section of packing washer, and check ring is fixedly connected with ringfeder.
Preferably, the aperture of the positioning sleeve is less than the aperture of through-hole.
The utility model has the advantage that as follows:
Based on existing dynamic balancing machine, Design Orientation cone is connect the utility model with the rotation center of dynamic balancing machine,
Ringfeder, upper frustum and the lower frustum of locating cone and its surface suit are centrosymmetric structure, i.e., upper frustum and lower frustum with
The rotation center of dynamic balancing machine is concentric, and upper and lower frustum respectively can be with two bearing outer rings of wheel hub brake drum assembly component
Taper dimensional fits can be automatic by upper and lower frustum after compression to be installed in lifting wheel hub brake drum assembly component on device
Centering wheel hub brake drum assembly component, guarantees the rotation of wheel hub brake drum assembly component, this detection device and dynamic balancing lathe
Center is held in position unanimously, reduces measurement error to greatest extent.
The compressing structure of this detection device passes through special designing simultaneously, and the first nut and packing washer is cooperated to push ringfeder,
Distressed structure is compressed come so that upper frustum pushes against bearing outer ring, realization wheel hub brake drum assembly is closed using ringfeder and the locating cone conical surface
The fixation of part after the completion of test, unscrews the first nut, and frustum can be removed by allowing ringfeder to restore deformation, may then pass through rotation
Turn the second nut to loosen the ejection of wheel hub brake drum assembly component, excessive shadow will not be generated to itself dynamic balancing of detection device
It rings, and conveniently hangs the present apparatus, reduce the dynamic balancing change that this detection device compresses measurement workpiece front and back itself to greatest extent
Dynamic error.
The utility model can only detect the unbalance dynamic of brake drum or wheel hub single-piece different from conventional apparatus, be able to detect peace
The unbalance dynamic of the wheel hub brake drum assembly component of bearing outer ring is filled, measurement error is small, and precision is high, and can be according to different wheel hubs
The various sizes of upper and lower frustum of the taper size design for the bearing outer ring that brake drum assembly component is installed, can be generally applicable
In the dynamic balancing detection of the automotive axle wheel hub brake drum assembly component of different cultivars and size.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of locating cone；
Fig. 3 is the structural schematic diagram of wheel hub brake drum assembly component；
Fig. 4 is the assembling schematic diagram of the utility model and wheel hub brake drum assembly component；
Wherein: frustum, 4- rise under 1- locating cone, 1a- positioning groove, 1b- stage portion, 1c- through-hole, the second nut of 2-, 3-
Set, the upper frustum of 5-, 6- pull rod, 7- packing washer, the first nut of 8-, 9- positioning sleeve, 9a- connection sheet, 10- spring, 11- spring catch
Circle, 12- wheel hub brake drum assembly component, 13- bearing outer ring A, 14- bearing outer ring B, 15- dynamic balancing machine, 15a- location hole, 16-
Bolt.
Specific embodiment
The utility model is described further with reference to the accompanying drawing:
A kind of dynamic balance detecting device of axle hub brake drum assembly component shown in referring to Fig.1, comprising: dynamic balancing machine
15, locating cone 1, pull rod 6, ringfeder 4, the first nut 8, packing washer 7, the second nut 2, upper frustum 5 and lower frustum 3.
Dynamic balancing machine 15 is existing conventional equipment, for measuring the size and location of rotating object amount of unbalance, this reality
Example is applied no longer to be described in detail.
Referring to shown in Fig. 2, the bottom surface of symmetrical cone structure centered on the locating cone 1, locating cone 1 is equipped with positioning groove
1a。
Location hole 15a is opened up at the rotation center of dynamic balancing machine 15, is mounted between location hole 15a in location hole 15a
The positioning sleeve 9 of gap cooperation, the upper end of the positioning sleeve 9 are stretched out location hole 15a and are connected with and institute in the upper periphery of positioning sleeve 9
State the locating plate 9a that positioning groove 1a is matched.
Locating plate 9a can be made the disc-shaped concentric with positioning sleeve 9, and locating plate 9a and positioning sleeve 9 are integrally formed.
It can make the center line of locating cone 1 and the rotation center of dynamic balancing machine 15 in locating plate 9a insertion positioning groove 1a
On the same line, and locating cone 1 is fixed on dynamic balancing machine 15 by bolt 16 line again, is thus realized centering, that is, is positioned
The center of cone 1 and the rotation center of dynamic balancing machine 15 are concentric.
The through-hole 1c through locating cone 1, the lower port of through-hole 1c and the set of positioning sleeve 9 are equipped with along the center line of locating cone 1
Mouth communicates.
The pull rod 6 is interspersed in the through-hole 1c of locating cone 1, and the both ends outer surface of pull rod 6 uses Design of Screw Thread, pull rod 6
Lower end pass through the running-on of positioning sleeve 9 and dynamic balancing machine 15 is connected through a screw thread fixation, locating cone 1 is stretched out in the upper end of pull rod 6
Outside through-hole 1c, and the upper end of pull rod 6 is cased with packing washer 7 and is connected through a screw thread the first nut 8.
The ringfeder 4 is elastic component, is set in the top of locating cone 1,4 inner surface of ringfeder and 1 clearance fit of locating cone,
And the top of ringfeder 4 is higher than the top of locating cone 1；The packing washer 7 and the first nut 8 is successively placed in ringfeder 4
On top, the first nut of rotating down pressing 8, which can push packing washer 7 and then compress ringfeder 4, makes 4 deformation of ringfeder.
It is cased with for the ease of the deformation recovery of ringfeder 4 in the surface of pull rod 6 as the preferred embodiment of the present embodiment
Spring 10, the top pocketed springs retaining ring 11 of pull rod 6, check ring 11 can slide up and down along pull rod 6 and be located at packing washer 7
Lower section, check ring 11 is fixedly connected with ringfeder 4 by screw.
The aperture that positioning sleeve 9 is arranged simultaneously is less than the aperture of through-hole, the both ends of spring 10 respectively with locating plate 9a and bullet
Spring retaining ring 11 contacts, and spring 10 in the raw, will drive under check ring 11 when ringfeder 4 is pressed down under no external force
Pressure, and then compressed spring 10, after removing lower pressure, spring 10 can reply deformation and push check ring 11 upwards to help to rise
Cover 4 deformation recoveries.
The upper frustum 5 is hollow structure, outside the taper size of upper frustum 5 and the bearing of wheel hub brake drum assembly component 12
A13 matching is enclosed, upper frustum 5 is placed on ringfeder 4 and 4 clearance fit of ringfeder.
Second nut 2 is set on locating cone 1 and is connected through a screw thread with locating cone 1.
As the preferred embodiment of the present embodiment, it is equipped with stage portion 1b in the middle part of locating cone 1, the second nut 2 is located at
The top of stage portion 1b can limit the position of the second nut 2.
The lower frustum 3 is similarly hollow structure, the taper size of lower frustum 3 and the axis of wheel hub brake drum assembly component 12
Bearing outer-ring B14 matching, lower frustum 3 be placed on locating cone 1 with 1 clearance fit of locating cone, and lower frustum 3 is located at upper frustum 5 and the
Between two nuts 2.
The application method of the utility model is as follows:
Vertebra platform 5 is removed, wheel hub brake drum assembly component 12 to be detected is lifted by crane and places on detection means, detection device
Lower 3 detection and localization part wheel hub brake drum assembly component bearing outer ring B 14 of vertebra platform, then by 5 sets of rising in locating cone 1 of upper vertebra platform
On set 4, upper 5 detection and localization part wheel hub brake drum assembly component bearing outer ring A 13 of vertebra platform.
It is bonded positioning with two bearing outer rings A, B by upper and lower frustum, guarantees the rotation center of detection piece and detection device
Unanimously；Then it tightens packing washer 7 after the first nut 8 and compresses the top of ringfeder 4 therewith and move down, thus the conical surface of ringfeder 4 and fixed
The compression deformation of position 1 conical surface of cone, the outer circle of ringfeder 4, which becomes larger, compresses vertebra platform 5, is become between upper frustum 5 and ringfeder 4 by clearance fit
At interference fit, and then upper frustum 5 compresses and the bearing outer ring A13 of detection and localization part wheel hub brake drum assembly component 12, wheel hub
Brake drum assembly component 12 is completed to compress and be positioned.
Subsequent start-up dynamic balancing machine 15, dynamic balancing machine 15 rotate together with this detection device, the detection system of dynamic balancing machine 15
System carries out the computing ballance correction detection of detection piece, stops rotating after detection.
Then, after unclamping the first nut 8, the second nut 2 is rotated, is increased by the rotation of the second nut 2 by wheel hub brake drum
Assembly component 12 slowly jacks up the positioning surface for being detached from upper and lower frustum, detects workpiece in order to prevent and deforms because each location structure compresses
Detection device can not be detached from.
Spring 10 provide at this time upward elastic force by check ring 11 drive ringfeder 4 move up, 4 conical surface of ringfeder be detached from
The compression deformation state of 1 conical surface of locating cone, 4 outer circle of ringfeder revert to original excircle dimension, upper 5 inner hole of vertebra platform and 4 outer circle of ringfeder
Between by impaction state interference fit variation be clearance fit, upper vertebra then can be easily removed from locating cone 1 manually
Platform 5, then wheel hub brake drum assembly component 12 is hung into locating cone 1.
Embodiment described above is only that preferred embodiments of the present invention are described, not practical to this
Novel range is defined, and under the premise of not departing from the spirit of the design of the utility model, those of ordinary skill in the art are to this
The various changes and improvements that the technical solution of utility model is made should all fall into the protection that the utility model claims book determines
In range.
Claims (4)
1. a kind of dynamic balance detecting device of axle hub brake drum assembly component, including dynamic balancing machine, which is characterized in that also wrap
It includes:
Locating cone, the bottom surface of the locating cone are equipped with positioning groove, are equipped with location hole, institute at the rotation center of the dynamic balancing machine
It states positioning hole and is mounted with positioning sleeve with location hole clearance fit, the upper end of the positioning sleeve stretches out location hole and in positioning sleeve
Upper periphery be connected with the locating plate matched with the positioning groove, to position in the locating plate insertion positioning groove
On the same line, and locating cone is fixed by bolts in dynamic balancing machine to the rotation centerline of the center line of cone and dynamic balancing machine
On；The through-hole through locating cone, the lower port and the running-on phase of positioning sleeve of the through-hole are equipped with along the center line of the locating cone
It is logical；
Pull rod, the pull rod are interspersed in the through-hole of locating cone, and the lower end of pull rod passes through positioning sleeve and dynamic balancing machine passes through screw thread
Connection, the upper end of pull rod are stretched out outside the through-hole of locating cone, and the upper end of pull rod is cased with packing washer and has been connected through a screw thread the
One nut；
Ringfeder, the ringfeder is set in the top of locating cone, ringfeder inner surface and locating cone clearance fit, and the top of ringfeder is wanted
Higher than the top of locating cone, the packing washer and the first nut are successively placed on the top of ringfeder；
Upper frustum, the upper frustum are hollow structure, and upper frustum is placed on ringfeder and ringfeder clearance fit；
Second nut, second nut are set on locating cone and are connected through a screw thread with locating cone；
Lower frustum, the lower frustum are hollow structure, and lower frustum is placed on locating cone and locating cone clearance fit, and lower frustum position
Between upper frustum and the second nut.
2. a kind of dynamic balance detecting device of axle hub brake drum assembly component according to claim 1, feature exist
In the middle part of the locating cone is equipped with stage portion, and second nut is located at the top of stage portion.
3. a kind of dynamic balance detecting device of axle hub brake drum assembly component according to claim 1, feature exist
In the surface of the pull rod is cased with spring, and the top of pull rod is set with check ring, and the check ring is located at packing washer
Lower section, and check ring is fixedly connected with ringfeder.
4. a kind of dynamic balance detecting device of axle hub brake drum assembly component according to claim 3, feature exist
In the aperture of the positioning sleeve is less than the aperture of through-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822216714.2U CN209326875U (en) | 2018-12-27 | 2018-12-27 | A kind of dynamic balance detecting device of axle hub brake drum assembly component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822216714.2U CN209326875U (en) | 2018-12-27 | 2018-12-27 | A kind of dynamic balance detecting device of axle hub brake drum assembly component |
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| Publication Number | Publication Date |
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| CN209326875U true CN209326875U (en) | 2019-08-30 |
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ID=67729194
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|---|---|---|---|
| CN201822216714.2U Active CN209326875U (en) | 2018-12-27 | 2018-12-27 | A kind of dynamic balance detecting device of axle hub brake drum assembly component |
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| CN (1) | CN209326875U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113044147A (en) * | 2021-04-20 | 2021-06-29 | 浙江普瑞圣工贸有限公司 | Balance car of conical bearing location |
| CN114123695A (en) * | 2021-11-17 | 2022-03-01 | 中车株洲电机有限公司 | Dynamic balance auxiliary device of outer rotor structure and dynamic balance detection method |
| CN114184318A (en) * | 2021-11-03 | 2022-03-15 | 东莞市卓茂仪器有限公司 | Design method and structure of externally-supported clamping jaw for dynamic balance test of axis-free rotating body |
| CN117419854A (en) * | 2023-12-15 | 2024-01-19 | 山东鲁岳桥机械股份有限公司 | Automobile axle balance detection device |
-
2018
- 2018-12-27 CN CN201822216714.2U patent/CN209326875U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113044147A (en) * | 2021-04-20 | 2021-06-29 | 浙江普瑞圣工贸有限公司 | Balance car of conical bearing location |
| CN114184318A (en) * | 2021-11-03 | 2022-03-15 | 东莞市卓茂仪器有限公司 | Design method and structure of externally-supported clamping jaw for dynamic balance test of axis-free rotating body |
| CN114123695A (en) * | 2021-11-17 | 2022-03-01 | 中车株洲电机有限公司 | Dynamic balance auxiliary device of outer rotor structure and dynamic balance detection method |
| CN117419854A (en) * | 2023-12-15 | 2024-01-19 | 山东鲁岳桥机械股份有限公司 | Automobile axle balance detection device |
| CN117419854B (en) * | 2023-12-15 | 2024-02-23 | 山东鲁岳桥机械股份有限公司 | Automobile axle balance detection device |
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