CN108515812A - A kind of semi-axis structure of electronic logistic car rear axle disc type brake - Google Patents
A kind of semi-axis structure of electronic logistic car rear axle disc type brake Download PDFInfo
- Publication number
- CN108515812A CN108515812A CN201810322349.5A CN201810322349A CN108515812A CN 108515812 A CN108515812 A CN 108515812A CN 201810322349 A CN201810322349 A CN 201810322349A CN 108515812 A CN108515812 A CN 108515812A
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- CN
- China
- Prior art keywords
- disc
- semiaxis
- bearing
- axle
- brake
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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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/12—Torque-transmitting axles
- B60B35/14—Torque-transmitting axles composite or split, e.g. half- axles; Couplings between axle parts or sections
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/12—Torque-transmitting axles
- B60B35/18—Arrangement of bearings
Abstract
The invention discloses a kind of semi-axis structures of electronic logistic car rear axle disc type brake, including semiaxis, wheel rim, bridge tube, brake disc, bearing cap, it is characterised in that：Transition disc is provided with by half axle bolt on the outside of the semiaxis, it is socketed a bearing block in the interior side steps of semiaxis, it is provided with wheel bolt on the transition disc, the wheel rim is connect by wheel bolt with transition disc, the caliper includes caliper, and caliper both sides are slidably connected with brake lining, described bridge tube one end and half axis connection, the brake disc is connected to by transition disc on semiaxis, and the bearing cap is connect by connecting bolt with bearing block.For the present invention using transition dish structure when processing semiaxis, energy effective compensation rear axle wheel reduces brake disc dynamic balancing, and be easy for installation and maintenance away from difference；Wheel, transition disc, brake disc and semiaxis can be considered as same movable body simultaneously, solve the installation difficulty of traditional structure mode.
Description
Technical field
The present invention relates to electronic logistic car processing technique field, the half of specifically a kind of electronic logistic car rear axle disc type brake
Axle construction.
Background technology
With being constantly progressive for human society, conventional fuel oil car, which causes energy shortage and environmental pollution just, becomes increasingly tighter
Weight, new energy then become a kind of new trend；The brake apparatus of current existing electronic logistic car is largely using traditional rear axle wheel
Drum brake, have brake efficiency unstable drum brake existing defects；It is continuous to brake in the case of applying working condition
When, friction plate is sealed in the inside of brake drum, and the big heat of generation is not easy to shed, and can make friction plate expanded by heating and reduce to rub
Wipe power.Drum brake reduces frictional force after wheel hub immersion, reduces vehicle brake efficiency instead in rainwater road traveling.
There are two types of types for the existing semi-axis structure used：It is a kind of tradition semi-axis structure using bearing be taper roll bearing,
But structure is more complicated to be not easy to installation and maintenance, another semi-axis structure uses single-groove grooved ball bearing, but rear axle carries energy
Power is smaller, is not suitable for electronic logistic car and uses.
Invention content
That there are brake efficiencies in order to solve the drum brake of electronic logistic car at this stage is low with half for the present invention and goal of the invention
The technical issues of the defects of axle construction complexity is not easy to installation and maintenance, and rear axle carrying can be small, provide a kind of reasonable in design, matter
Amount performance is good, semiaxis is easily installed repair, brake efficiency is high, rear axle carries the half of the high electronic logistic car rear axle disc type brake of energy
Axle construction.
The technical solution adopted by the present invention to solve the technical problems is：
A kind of semi-axis structure of electronic logistic car rear axle disc type brake, including semiaxis, wheel rim, bridge tube, brake disc, bearing cap,
It is characterized in that：Transition disc is provided with by half axle bolt on the outside of the semiaxis, a bearing is socketed in the interior side steps of semiaxis
Seat, and it is provided with semiaxis ring flange by connecting bolt on bearing block, wheel bolt is provided on the transition disc, it is described
Wheel rim connect with transition disc by wheel bolt, and caliper, wheel cylinder, pressure wall are provided on wheel rim, the braking
Pincers include caliper, and caliper both sides are slidably connected with brake lining, described bridge tube one end and half axis connection, described
Brake disc be connected on semiaxis by transition disc, the bearing cap by connect bolt connect with bearing block.Using transition
For dish structure when processing semiaxis, energy effective compensation rear axle wheel reduces brake disc dynamic balancing, and be easy for installation and maintenance away from difference；Together
When wheel, transition disc, brake disc and semiaxis can be considered as same movable body, change the difficult to install of traditional structure mode and ask
Topic.
Preferably, be provided with positioning convex platform on the semiaxis outer wall, be socketed respectively on positioning convex platform outer wall brake disc and
Transition disc is evenly equipped with center hole fluting in the brake disc, and uniformly positioning is slotted in the transition disc, the center circle
Hole is slotted and positioning fluting shifts to install, and the stability of brake disc and transition disc on semiaxis is improved by positioning convex platform, into
And enhance the capability and performance of semi-axis structure.
Preferably, it is provided in the bearing block and fixes adapter sleeve on ladder hole with semiaxis socket cooperation, passed through
Adapter sleeve improves the bonding strength between bearing block and half-axile sleeve, stability of the enhancing bearing block on semiaxis.
Preferably, the bearing block inner wall is respectively equipped with spacer, axle bearing one, axle bearing two, and spacer is arranged
Between axle bearing one, axle bearing two, and by spacer difference positioning half-axle bearing one, axle bearing two, semiaxis is using double
Deep groove ball bearing structure waits the single-groove grooved ball bearing of ratio of outer diameters relatively in the double single-groove grooved ball bearings of thin, specified dynamic negative
Lotus increases by 25%, and the lower pair of single-row bearing service life of identical back axle load increases about 2 times, and rear axle bearing capacity improves, while semi-axis structure
Simply, it is easily installed and repairs.
Preferably, the axle bearing one and the setting of two axially position of axle bearing, the axle bearing one are evenly distributed with semiaxis
Bearing one is slotted, and being evenly distributed with axle bearing two in the axle bearing two slots, the fluting of the axle bearing one and axle bearing two
Fluting shifts to install, and vehicle is under different surface conditions, axle bearing one, axle bearing two under wheel all directions reaction force
Other than bearing radial load, moreover it is possible to which bearing outside axial force can prevent wheel from axis occurring under lateral forces together with semiaxis
To displacement.
Preferably, two brake lining are accordingly arranged in the both sides of the brake disc, in each brake lining
Medial surface coordinates to be contacted with brake disc disk, and in brake disc side, the wheel cylinder of one caliper of brake lining connection makes pressure match
It closes in pressure wall, brake lining is high to the unit pressure of brake disc, easily squeezes out water, while getting wet in the case where centrifugal force is effect
After be also easy to get rid of, wiping action of the brake lining to brake disc is improved, in addition, braking of the brake lining of disc type than drum-type serves as a contrast
Piece is more easy to replace upon wear, and structure is also fairly simple, and maintenance is easy.
Preferably, uniformly distributed wheel bolt and half axle bolt on the transition disc, the wheel bolt and half axle bolt are vehicle
Wheel centering setting, the stability on semiaxis of wheel can be improved by wheel bolt and half axle bolt, and then improve electronic
The stability of logistic car in the process of moving.
Advantageous effect：For the present invention using transition dish structure when processing semiaxis, energy effective compensation rear axle wheel reduces system away from difference
Moving plate dynamic balancing, and be easy for installation and maintenance；Wheel, transition disc, brake disc and semiaxis can be considered as same movable body simultaneously, solve
The installation difficulty for traditional structure mode of having determined is respectively equipped with spacer, axle bearing one, axle bearing two in bearing block inner wall,
Will every being set between axle bearing one, axle bearing two, and by spacer difference positioning half-axle bearing one, axle bearing two,
Semiaxis waits the single-groove grooved ball axis of ratio of outer diameters relatively using double deep groove ball bearing structures, in the double single-groove grooved ball bearings of thin
It holds, dynamic load rating increases by 25%, and the lower pair of single-row bearing service life of identical back axle load increases about 2 times, and rear axle bearing capacity improves,
Semi-axis structure is simple simultaneously, is easily installed and repairs.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention.
Fig. 2 is the part-structure schematic diagram of the present invention, illustrates the connection structure of wheel rim and wheel bolt.
Fig. 3 is the part-structure schematic diagram of the present invention, illustrates the structure of bearing block.
Fig. 4 is the Section A-A schematic diagram of Fig. 3 of the present invention.
In figure：1. semiaxis, 2. wheel rims, 3. bridge tubes, 4. brake discs, 5. bearing caps, 6. transition discs, 7. semiaxis ring flanges, 8.
Caliper, 9. calipers, 10. brake lining, 11. wheel cylinders, 12. pressure walls, 13. positioning convex platforms, 14. wheel bolts, 15. semiaxis spiral shells
Bolt, 16. bearing blocks, 17. adapter sleeves, 18. spacers, 19. axle bearings one, 20. axle bearings two, 21. connect bolt.
Specific implementation mode
The present invention is described in detail below with reference to attached drawing.
A kind of semi-axis structure of electronic logistic car rear axle disc type brake, including semiaxis 1, wheel rim 2, bridge tube 3, brake disc 4, axis
Hold lid 5, it is characterised in that：1 outside of semiaxis is provided with transition disc 6 by half axle bolt 15, in the interior side steps of semiaxis 1
It is socketed a bearing block 16, and semiaxis ring flange 7, the transition disc 6 are provided with by connecting bolt 21 on bearing block 16
On be provided with wheel bolt 14, the wheel rim 2 is connect by wheel bolt 14 with transition disc 6, and system is provided on wheel rim 2
Dynamic pincers 8, wheel cylinder 11, pressure wall 12, the caliper 8 includes caliper 9, and 9 both sides of caliper are slidably connected with system
Dynamic liner 10, described 3 one end of bridge tube are connect with semiaxis 1, and the brake disc 4 is connected to by transition disc 6 on semiaxis 1, institute
The bearing cap 5 stated is connect by connecting bolt 21 with bearing block 16.Using 6 structure of transition disc when processing semiaxis 1, can effectively it mend
Rear axle wheel is repaid away from difference, reduces by 4 dynamic balancing of brake disc, and be easy for installation and maintenance；Wheel, transition disc 6, brake disc 4 and half simultaneously
Axis 1 can be considered as same movable body, change the installation difficulty of traditional structure mode.
Preferably, it is provided with positioning convex platform 13 on 1 outer wall of the semiaxis, the socket braking respectively on 13 outer wall of positioning convex platform
Disk 4 and transition disc 6 are evenly equipped with center hole fluting in the brake disc 4, and uniformly positioning is slotted in the transition disc 6, institute
It states center hole fluting and positioning fluting shifts to install, brake disc 4 and transition disc 6 are improved in semiaxis 1 by positioning convex platform 13
On stability, and then enhance 1 structure of semiaxis capability and performance.
Preferably, it is provided in the bearing block 16 and fixes adapter sleeve 17 on ladder hole with the socket cooperation of semiaxis 1,
The bonding strength between 1 set of bearing block 16 and semiaxis, stabilization of the enhancing bearing block 16 on semiaxis 1 are improved by adapter sleeve 17
Property.
Preferably, 16 inner wall of bearing block is respectively equipped with spacer 18, axle bearing 1, axle bearing 2 20, will
Spacer 18 is arranged between axle bearing 1, axle bearing 2 20, and spacer 18 is distinguished positioning half-axle bearing 1, semiaxis
Bearing 2 20, semiaxis 1 wait the ratio of outer diameters single-row relatively using double deep groove ball bearing structures, in the double single-groove grooved ball bearings of thin
Deep groove ball bearing, dynamic load rating increase by 25%, and the lower pair of single-row bearing service life of identical back axle load increases about 2 times, and rear axle carries energy
Power improves, while semiaxis 1 is simple in structure, is easily installed and repairs.
Preferably, the axle bearing 1 and the setting of 2 20 axially position of axle bearing, the axle bearing 1 are equal
Cloth axle bearing one is slotted, and being evenly distributed with axle bearing two in the axle bearing 2 20 slots, the fluting of the axle bearing one and half
The fluting of axle bearing two shifts to install, vehicle under different surface conditions, axle bearing 1 under wheel all directions reaction force,
Axle bearing 2 20 is other than bearing radial load, moreover it is possible to which bearing outside axial force can prevent wheel together with semiaxis 1 lateral
Axial displacement occurs under force effect.
Preferably, two brake lining 10 are accordingly arranged in the both sides of the brake disc 4, in each brake lining
10 medial surface coordinates to be contacted with 4 disk of brake disc, and the wheel of a caliper 8 is connected in 4 side brake lining 10 of brake disc
Cylinder 11 makes pressure cooperation in pressure wall 12, and brake lining 10 is high to the unit pressure of brake disc 4, easily squeezes out water, while
Centrifugal force is to be also easy to get rid of after getting wet under effect, improves wiping action of the brake lining 10 to brake disc 4, in addition, disc type
Brake lining 10 is more easy to replace upon wear than the brake lining 10 of drum-type, and structure is also fairly simple, and maintenance is easy.
Preferably, 14 and half axle bolt 15 of uniformly distributed wheel bolt, the wheel bolt 14 and semiaxis spiral shell on the transition disc 6
Bolt 15 is wheel centering setting, and the stability on semiaxis 1 of wheel can be improved by wheel bolt 14 and half axle bolt 15,
And then improve the stability of electronic logistic car in the process of moving.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Part that the present invention does not relate to is the same as those in the prior art or can be realized by using the prior art.
Claims (6)
1. a kind of semi-axis structure of electronic logistic car rear axle disc type brake, including semiaxis, wheel rim, bridge tube, brake disc, bearing cap,
It is characterized in that：Transition disc is provided with by half axle bolt on the outside of the semiaxis, an axis is socketed in the interior side steps of semiaxis
Bearing, and it is provided with semiaxis ring flange by connecting bolt on bearing block, wheel bolt, institute are provided on the transition disc
The wheel rim stated is connect by wheel bolt with transition disc, and caliper, wheel cylinder, pressure wall are provided on wheel rim, the system
Dynamic pincers include caliper, and caliper both sides are slidably connected with brake lining, described bridge tube one end and half axis connection, institute
The brake disc stated is connected to by transition disc on semiaxis, and the bearing cap is connect by connecting bolt with bearing block.
2. the semi-axis structure of electronic logistic car rear axle disc type brake according to claim 1, it is characterised in that：The semiaxis
It is provided with positioning convex platform on outer wall, brake disc and transition disc are socketed respectively on positioning convex platform outer wall, in the brake disc
It is furnished with center hole fluting, uniformly positioning fluting, the center hole fluting and positioning fluting dislocation are set in the transition disc
It sets.
3. the semi-axis structure of electronic logistic car rear axle disc type brake according to claim 1, it is characterised in that：The axis
It is provided in bearing and fixes adapter sleeve on ladder hole with semiaxis socket cooperation.
4. the semi-axis structure of electronic logistic car rear axle disc type brake according to claim 1, it is characterised in that：The axis
Bearing inner wall is respectively equipped with spacer, axle bearing one, axle bearing two, will be every being set on axle bearing one, axle bearing two
Between, and spacer is distinguished into positioning half-axle bearing one, axle bearing two.
5. the semi-axis structure of electronic logistic car rear axle disc type brake according to claim 4, it is characterised in that：The semiaxis
Bearing one and the setting of two axially position of axle bearing, the axle bearing one is evenly distributed with the fluting of axle bearing one, in the semiaxis axis
It holds two uniformly distributed axle bearings two to slot, the fluting of the axle bearing one and the fluting of axle bearing two shift to install.
6. the semi-axis structure of electronic logistic car rear axle disc type brake according to claim 4, it is characterised in that：Described two
A brake lining is accordingly arranged in the both sides of the brake disc, coordinates and brake disc disk in the medial surface of each brake lining
Contact, in brake disc side, the wheel cylinder of one caliper of brake lining connection makes pressure cooperation in pressure wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810322349.5A CN108515812B (en) | 2018-04-11 | 2018-04-11 | Semi-axis structure of electronic commodity circulation car rear axle disc braking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810322349.5A CN108515812B (en) | 2018-04-11 | 2018-04-11 | Semi-axis structure of electronic commodity circulation car rear axle disc braking |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108515812A true CN108515812A (en) | 2018-09-11 |
| CN108515812B CN108515812B (en) | 2020-03-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810322349.5A Expired - Fee Related CN108515812B (en) | 2018-04-11 | 2018-04-11 | Semi-axis structure of electronic commodity circulation car rear axle disc braking |
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| Country | Link |
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| CN (1) | CN108515812B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109606025A (en) * | 2019-01-15 | 2019-04-12 | 深圳市重器科技有限公司 | A kind of robot chassis |
| CN111137067A (en) * | 2020-02-28 | 2020-05-12 | 苏州市双马机电有限公司 | Novel rear axle half shaft structure |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008223775A (en) * | 2007-03-08 | 2008-09-25 | Jtekt Corp | Wheel support device |
| CN206012206U (en) * | 2016-08-10 | 2017-03-15 | 南京交通职业技术学院 | A kind of automobile wheel edge assembly |
| CN106827953A (en) * | 2017-03-06 | 2017-06-13 | 苏州蓝王机床工具科技有限公司 | The structure with steering main shaft of front axle of mining dump truck wheel hub |
-
2018
- 2018-04-11 CN CN201810322349.5A patent/CN108515812B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008223775A (en) * | 2007-03-08 | 2008-09-25 | Jtekt Corp | Wheel support device |
| CN206012206U (en) * | 2016-08-10 | 2017-03-15 | 南京交通职业技术学院 | A kind of automobile wheel edge assembly |
| CN106827953A (en) * | 2017-03-06 | 2017-06-13 | 苏州蓝王机床工具科技有限公司 | The structure with steering main shaft of front axle of mining dump truck wheel hub |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109606025A (en) * | 2019-01-15 | 2019-04-12 | 深圳市重器科技有限公司 | A kind of robot chassis |
| CN109606025B (en) * | 2019-01-15 | 2022-07-19 | 深圳史河机器人科技有限公司 | Robot chassis |
| CN111137067A (en) * | 2020-02-28 | 2020-05-12 | 苏州市双马机电有限公司 | Novel rear axle half shaft structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108515812B (en) | 2020-03-10 |
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Granted publication date: 20200310 |