CN110356186A - A kind of disconnected balance shaft structure - Google Patents
A kind of disconnected balance shaft structure Download PDFInfo
- Publication number
- CN110356186A CN110356186A CN201910761300.4A CN201910761300A CN110356186A CN 110356186 A CN110356186 A CN 110356186A CN 201910761300 A CN201910761300 A CN 201910761300A CN 110356186 A CN110356186 A CN 110356186A
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- China
- Prior art keywords
- spring block
- balance
- hollow shaft
- hollow
- bracket
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
- B60G21/02—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
- B60G21/04—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically
- B60G21/05—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically between wheels on the same axle but on different sides of the vehicle, i.e. the left and right wheel suspensions being interconnected
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Springs (AREA)
Abstract
The present invention discloses a kind of disconnected balance shaft structure, including two symmetrically arranged balance brackets, upper spring block, lower spring block, end cap, the lower end relative position of two balance brackets is fixedly connected with attachment base, longitudinal front and back sides of the attachment base offer multiple bolts hole, and ipsilateral of two attachment base longitudinal direction seat front and back sides is symmetrically connected with the identical connecting plate of size by bolt；The balance bracket is Y-shaped structure body, and two bifurcated upper ends on Y-shaped structure body top are respectively set there are two vertical installation surface；The lateral surface of the balance bracket is equipped with the hollow out body of triangle, and the hollow out body top braces have horizontal mounting surface, and the horizontal mounting surface is located at the centre of two vertical installation surfaces；The ontology of the balance bracket is equipped with the hollow shaft head extended to its outside.The present invention realizes light-weight design under the premise of guaranteeing payload.
Description
Technical field
The present invention relates to balance shaft technical field, specifically a kind of disconnected balance shaft structure.
Background technique
Key components and parts of the balance shaft assembly as heavy truck, it transmits vehicle frame to the load of middle rear axle.Currently, domestic
Connection area between balance shaft support and frame beam is smaller, is not able to satisfy impact of the vehicle in heavy load, turning condition,
Lead to bracket easy fracture.
Summary of the invention
The purpose of the present invention is to provide a kind of disconnected balance shaft structures, to solve mentioned above in the background art ask
Topic.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is that:
A kind of disconnected balance shaft structure, including two symmetrically arranged balance brackets, upper spring block, lower spring block, end
Lid, the lower end relative position of two balance brackets are fixedly connected with attachment base, and longitudinal front and back sides of the attachment base are opened
Equipped with multiple bolts hole, it is identical that ipsilateral of two attachment base longitudinal direction seat front and back sides is symmetrically connected with size by bolt
Connecting plate；
The balance bracket is Y-shaped structure body, there are two two bifurcated upper ends on Y-shaped structure body top are respectively set
Vertical installation surface, two vertical installation surfaces are arranged symmetrically；
The lateral surface of the balance bracket is equipped with the hollow out body of triangle, and the hollow out body top braces are horizontally mounted
Face, the horizontal mounting surface are located at the centre of two vertical installation surfaces；
It is equipped with far from the side integration equipped with hollow out body to its horizontal-extending hollow shaft in outside on the balance bracket
Head, the ontology intersection of the periphery of the hollow shaft head and the balance bracket are equipped with spacing collar, the hollow shaft head it is separate
One end of balance bracket is equipped with the shaft shoulder, rubber bushing is arranged on the periphery of the hollow shaft head, and the hollow shaft head is outer
Week is equipped with the annular ditch groove cooperated with annular projection set by the rubber bushing medial surface, the rubber bushing external cylindrical surface
It is equipped with spring block and lower spring block, the upper spring block is fixed with lower spring block by screw, and compresses the rubber lining
Set, and the assembly medial surface of the upper spring block and lower spring block also is provided with and ring-type set by the rubber bushing lateral surface
The annular ditch groove of male cooperation, the upper spring block, lower spring block are equipped with the end cap, the end far from one end of balance bracket
It is connected by screw between lid and upper spring block, lower spring block；
The adjacent side upper end of two balance brackets is equipped with free bearing, is connected between two free bearings by latch locking
Arch support axis, it is concordant that the upper end supporting surface of the arch support axis with the horizontal mounting surface is formed by supporting surface.
Further, the inside and outside of the hollow shaft head and the intersection of balance bracket are all made of arc transition.
Further, the assembly both ends of the upper spring block and lower spring block axis with spacing collar, hollow shaft head respectively
Shoulder grafting touching.
Preferably, the arch support axis uses hollow shaft.
Preferably, the balance bracket, hollow shaft head, upper spring block, lower spring block are all made of austempering ductile iron
Material is made.
The beneficial effects of the present invention are:
Balance bracket uses integrated casting and forming with hollow shaft head, keeps the structural strength of balance shaft high；
Upper spring block, lower spring block are axially limited by the shaft shoulder of spacing collar, hollow shaft head, leaf spring in guarantee
It is accurately positioned when seat, the installation of lower spring block, reduces installation error；
In the case where guaranteeing balance shaft intensity, using hollow out body support level mounting surface, hollow shaft head is hollow structure,
Reduce the weight of balance shaft；
By the design of rubber bushing, it can effectively decay and balance axis suspension radial load, and reduce balance shaft oil leak
Risk；
The connecting plate that ipsilateral of attachment base longitudinal direction seat front and back sides is symmetrically connected by bolt keeps balance axis suspension total
Closed NOL ring is formed at vehicle frame, the bearing capacity of assembly is improved, can increase the intensity of balance shaft, reduce balance bracket
The risk of cracking；
It cooperates with horizontal mounting surface to support frame beam jointly by the upper end supporting surface of arch support axis, it is total to improve balance shaft
At the reliability and safety being connect with vehicle frame；
Balance bracket, solid spindle nose, upper spring block, lower spring block are all made of tensile strength 900MPa, yield strength
The ADI material (austempering ductile iron) of 650MPa, the comprehensive mechanical property of this material is excellent, and tensile strength and surrender are strong
Degree is all higher than magnesium iron and cast steel, and it remains good elongation and impact toughness again, is significantly better than common magnesium iron and steel.
Material specific gravity itself is smaller than cast steel, realizes lightweight.Meanwhile the tensile strength of ADI is better than the carbon steel of modifier treatment, with low-alloy
Steel is suitable.China is haulage vehicle big producer, and ADI automobile hanging part has huge development space.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is structure of the invention main view.
Fig. 2 is balance bracket axial sectional view.
Fig. 3 is the three-dimensional structure diagram of balance bracket.
In figure: 1, balance bracket, 2, upper spring block, 3, lower spring block, 4, end cap, 5, attachment base, 6, connecting plate, 7, vertical
Mounting surface, 8, hollow out body, 9, horizontal mounting surface, 10, hollow shaft head, 11, spacing collar, 12, the shaft shoulder, 13, rubber bushing, 14, hinge
Seat, 15, bolt, 16, arch support axis.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
As shown in Fig. 1~2, the present invention provides a kind of disconnected balance shaft structure, including two symmetrically arranged balance branch
The lower end relative position of frame 1, upper spring block 2, lower spring block 3, end cap 4, two balance brackets 1 is fixedly connected with attachment base
5, longitudinal front and back sides of the attachment base 5 offer multiple bolts hole, and ipsilateral of two attachment bases, 5 longitudinal front and back sides
The identical connecting plate 6 of size is symmetrically connected with by bolt；
The balance bracket 1 is Y-shaped structure body, and two bifurcated upper ends on Y-shaped structure body top are respectively arranged with two
A vertical installation surface 7, two vertical installation surfaces 7 are arranged symmetrically；
The lateral surface of the balance bracket 1 is equipped with the hollow out body 8 of triangle, and 8 top braces of hollow out body have horizontal peace
Dress face 9, the horizontal mounting surface 9 are located at the centre of two vertical installation surfaces 7；
Far from the side integration equipped with hollow out body 8 equipped with horizontal-extending hollow to its outside on the balance bracket 1
The ontology intersection of spindle nose 10, the periphery of the hollow shaft head 10 and the balance bracket 1 is equipped with spacing collar 11, the hollow shaft
One end of first 10 separate balance bracket 1 is equipped with the shaft shoulder 12, is arranged with rubber bushing 13 on the periphery of the hollow shaft head 10, and
The periphery of the hollow shaft head 10 is equipped with the annular ditch groove cooperated with annular projection set by 13 medial surface of rubber bushing,
13 external cylindrical surface of rubber bushing is equipped with spring block 2 and lower spring block 3, and the upper spring block 2 passes through with lower spring block 3
Screw is fixed, and compresses the rubber bushing 13, and the assembly medial surface of the upper spring block 2 and lower spring block 3 also is provided with
With the annular ditch groove of the cooperation of annular projection set by 13 lateral surface of rubber bushing, the upper spring block 2, lower spring block 3 are remote
One end from balance bracket 1 is equipped with the end cap 4, is connected by screw between the end cap 4 and upper spring block 2, lower spring block 3
It connects；
The adjacent side upper end of two balance brackets 1 is equipped with free bearing 14, is locked between two free bearings 14 by bolt 15
Surely it is connected with arch support axis 16, the upper end supporting surface of the arch support axis 16 and the horizontal mounting surface 9 are formed by branch
Support face is concordant, and the arch support axis 16 uses hollow shaft, in the case where guaranteeing enough support strengths, mitigates weight.
The inside and outside of hollow shaft head 10 and the intersection of balance bracket 1 are all made of arc transition, this kind of transition of junction
Mode is conducive to improve structural strength.
The shaft shoulder 12 of the assembly both ends of upper spring block 2 and lower spring block 3 respectively with spacing collar 11, hollow shaft head 10 connects
Touching can carry out axial limitation to the assembly of upper spring block 2 and lower spring block 3 by set spacing collar 11 and the shaft shoulder 12, and
Spacing collar 11, which also acts as, prevents balance bracket 1 and upper spring block 2,3 end face of lower spring block from rotating the effect of friction.
Balance bracket 1, hollow shaft head 10, upper spring block 2, lower spring block 3 are all made of austempering ductile iron material system
At.
Comprehensive technical solution of the present invention, balance bracket 1 use integrated casting and forming with hollow shaft head 10, make balance shaft
Structural strength it is high；Upper spring block 2, lower spring block 3 are axially limited by the shaft shoulder 12 of spacing collar 2, hollow shaft head 3,
It is accurately positioned when spring block 2, lower spring block 3 are installed in guarantee, reduces installation error；In the case where guaranteeing balance shaft intensity,
Using 8 support level mounting surface of hollow out body, hollow shaft head 10 is hollow structure, reduces the weight of balance shaft；Pass through rubber
The design of bushing 13 can effectively decay and balance axis suspension radial load, and reduce balance shaft oil leak risk；Attachment base is longitudinal
The ipsilateral connecting plate symmetrically connected by bolt of seat front and back sides, forms balance shaft suspension assembly with vehicle frame closed
NOL ring improves the bearing capacity of assembly, can increase the intensity of balance shaft, reduces the risk of balance bracket cracking；Pass through arch
Support frame beam, raising balance shaft assembly and vehicle frame connect the upper end supporting surface collaboration horizontal mounting surface 9 of shape support shaft 16 jointly
The reliability and safety connect；Balance bracket 1, solid spindle nose 10, upper spring block 2, lower spring block 3 are all made of tensile strength
The ADI material (austempering ductile iron) of 900MPa, yield strength 650MPa, the comprehensive mechanical property of this material is excellent,
Tensile strength and yield strength are all higher than magnesium iron and cast steel, and it remains good elongation and impact toughness again, significantly
Better than common magnesium iron and steel.Material specific gravity itself is smaller than cast steel, realizes lightweight.Meanwhile the tensile strength of ADI is better than quenched place
The carbon steel of reason is suitable with low-alloy steel.China is haulage vehicle big producer, and ADI automobile hanging part has huge development space.
The embodiments of the present invention described above are not intended to limit the scope of the present invention, any in the present invention
Spirit and principle within made modifications, equivalent substitutions and improvements etc., should be included in claim protection model of the invention
Within enclosing.
Claims (5)
1. a kind of disconnected balance shaft structure, which is characterized in that including two symmetrically arranged balance brackets, upper spring block, under
Spring block, end cap, the lower end relative position of two balance brackets are fixedly connected with attachment base, before the longitudinal direction of the attachment base
Trailing flank offers multiple bolts hole, and ipsilateral of two attachment base longitudinal direction seat front and back sides is symmetrically connected with ruler by bolt
Very little identical connecting plate；
The balance bracket is Y-shaped structure body, and two bifurcated upper ends on Y-shaped structure body top are respectively set that there are two vertical
Mounting surface, two vertical installation surfaces are arranged symmetrically；
The lateral surface of the balance bracket is equipped with the hollow out body of triangle, and the hollow out body top braces have horizontal mounting surface, institute
State the centre that horizontal mounting surface is located at two vertical installation surfaces；
It is equipped with far from the side integration equipped with hollow out body to its horizontal-extending hollow shaft head in outside, institute on the balance bracket
The ontology intersection of the periphery and the balance bracket of stating hollow shaft head is equipped with spacing collar, the separate balance branch of the hollow shaft head
One end of frame is equipped with the shaft shoulder, is arranged with rubber bushing on the periphery of the hollow shaft head, and set on the periphery of the hollow shaft head
There is the annular ditch groove with the cooperation of annular projection set by the rubber bushing medial surface, the rubber bushing external cylindrical surface is equipped with
Upper spring block and lower spring block, the upper spring block is fixed with lower spring block by screw, and compresses the rubber bushing, and institute
The assembly medial surface for stating spring block and lower spring block also is provided with matching with annular projection set by the rubber bushing lateral surface
The annular ditch groove of conjunction, the upper spring block, lower spring block far from balance bracket one end be equipped with the end cap, the end cap with it is upper
It is connected by screw between spring block, lower spring block；
The adjacent side upper end of two balance brackets is equipped with free bearing, is connected with arch by latch locking between two free bearings
Support shaft, it is concordant that the upper end supporting surface of the arch support axis with the horizontal mounting surface is formed by supporting surface.
2. disconnected balance shaft structure according to claim 1, which is characterized in that the inside and outside of the hollow shaft head and flat
The intersection of weighing apparatus bracket is all made of arc transition.
3. disconnected balance shaft structure according to claim 1, which is characterized in that the upper spring block and lower spring block
Assembly both ends are contacted with the shaft shoulder of spacing collar, hollow shaft head respectively.
4. disconnected balance shaft structure according to claim 1, which is characterized in that the arch support axis is using hollow
Axis.
5. disconnected balance shaft structure according to claim 1, which is characterized in that the balance bracket, hollow shaft head, on
Spring block, lower spring block are all made of austempering ductile iron material and are made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910761300.4A CN110356186A (en) | 2019-08-17 | 2019-08-17 | A kind of disconnected balance shaft structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910761300.4A CN110356186A (en) | 2019-08-17 | 2019-08-17 | A kind of disconnected balance shaft structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110356186A true CN110356186A (en) | 2019-10-22 |
Family
ID=68225025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910761300.4A Pending CN110356186A (en) | 2019-08-17 | 2019-08-17 | A kind of disconnected balance shaft structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110356186A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050051262A (en) * | 2003-11-27 | 2005-06-01 | 현대자동차주식회사 | Front suspension structure of vehicle |
| CN201423899Y (en) * | 2009-04-22 | 2010-03-17 | 吉林省诚毅车桥悬挂制造集团有限公司 | Hinged pull rod type balancing suspension assembly for heavy duty car |
| CN202911504U (en) * | 2012-10-14 | 2013-05-01 | 十堰隆昌汽车零部件有限公司 | Disconnected-type balanced suspension |
| CN203126454U (en) * | 2013-03-01 | 2013-08-14 | 重庆北奔汽车有限公司 | Suspension balance shaft support |
| CN103507589A (en) * | 2013-09-25 | 2014-01-15 | 安徽安凯金达机械制造有限公司 | Balance shaft assembly with transverse connection plate |
| CN103879259A (en) * | 2014-04-02 | 2014-06-25 | 许昌市精工机械制造有限公司 | Double-beam balance suspending frame |
| CN208978583U (en) * | 2018-08-24 | 2019-06-14 | 十堰久诺汽车科技有限公司 | A kind of commercial vehicle doube bridge series balance draft hitch |
| CN110126569A (en) * | 2019-05-30 | 2019-08-16 | 江苏汤臣汽车零部件有限公司 | A kind of fixed device of load-carrying plate spring for vehicle |
-
2019
- 2019-08-17 CN CN201910761300.4A patent/CN110356186A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050051262A (en) * | 2003-11-27 | 2005-06-01 | 현대자동차주식회사 | Front suspension structure of vehicle |
| CN201423899Y (en) * | 2009-04-22 | 2010-03-17 | 吉林省诚毅车桥悬挂制造集团有限公司 | Hinged pull rod type balancing suspension assembly for heavy duty car |
| CN202911504U (en) * | 2012-10-14 | 2013-05-01 | 十堰隆昌汽车零部件有限公司 | Disconnected-type balanced suspension |
| CN203126454U (en) * | 2013-03-01 | 2013-08-14 | 重庆北奔汽车有限公司 | Suspension balance shaft support |
| CN103507589A (en) * | 2013-09-25 | 2014-01-15 | 安徽安凯金达机械制造有限公司 | Balance shaft assembly with transverse connection plate |
| CN103879259A (en) * | 2014-04-02 | 2014-06-25 | 许昌市精工机械制造有限公司 | Double-beam balance suspending frame |
| CN208978583U (en) * | 2018-08-24 | 2019-06-14 | 十堰久诺汽车科技有限公司 | A kind of commercial vehicle doube bridge series balance draft hitch |
| CN110126569A (en) * | 2019-05-30 | 2019-08-16 | 江苏汤臣汽车零部件有限公司 | A kind of fixed device of load-carrying plate spring for vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191022 |