CN215662831U - Novel light-weight balance shaft assembly - Google Patents
Novel light-weight balance shaft assembly Download PDFInfo
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- CN215662831U CN215662831U CN202122213670.XU CN202122213670U CN215662831U CN 215662831 U CN215662831 U CN 215662831U CN 202122213670 U CN202122213670 U CN 202122213670U CN 215662831 U CN215662831 U CN 215662831U
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- balance shaft
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Abstract
The utility model provides a novel light balance shaft assembly which comprises a balance shaft support, a bearing hub and a bush, wherein a half shaft is arranged on the balance shaft support, the bearing hub is installed on the half shaft through the bush, the balance shaft support and the bearing hub both adopt light structures, and a plate spring baffle installation part is further arranged on the balance shaft support. According to the utility model, the installation part of the plate spring baffle is integrated, so that the material consumption of the baffle is reduced, the weight of the balance shaft assembly is reduced by adopting the structural design of the balance shaft bracket and the bearing hub with light weight, the material consumption is reduced, the aim of light weight is fulfilled, the use cost is reduced, and the satisfaction degree of users is improved.
Description
Technical Field
The utility model relates to the field of vehicles and engineering, in particular to a novel light balance shaft assembly.
Background
The balance shaft assembly is widely applied to heavy-duty automobiles, has the function of elastically connecting an axle and a frame, and has the functions of guiding, buffering and damping.
The structure of the existing balance shaft assembly is shown in fig. 1: comprises a bracket 11Half shaft (i.e., bearing hub mounting portion) 2 extending out of the bracket1The semi-axis is sleeved with a bearing hub 31 A lining 4 is arranged between the inner wall of the bearing hub and the half shaft1An inner thrust washer 5 is arranged on the half shaft between the bearing hub and the bracket1The outer side of the bearing hub is provided with an end cover 61An external thrust plate 7 is arranged between the end cover and the bearing hub1The end cover passes through the bolt 81Fixed on the half shaft and the bearing hub.
The structure of the existing balance shaft support is as follows: the balance shaft support comprises a support body of a Y-shaped structure, longitudinal beam installation parts with installation holes are arranged on the upper portions of two Y-shaped branches, a half shaft installation part is arranged in the middle of the Y-shaped structure, a thrust rod installation part with an installation hole is arranged at the lower end of the Y-shaped structure, and a cross beam installation part is arranged on one side surface, far away from the half shaft installation part, of the support body and extends outwards.
The balance shaft assembly adopted in the market at present needs to consider cost and assembly performance while pursuing light weight, and particularly improves product value and product industry competitiveness through structural innovation from the aspect of a whole vehicle structure.
Disclosure of Invention
The utility model conception is as follows: in addition to considering the lightweight of the balance shaft assembly, the inventors discovered in the course of implementing the present invention: in order to prevent the plate spring from deviating under stress, a plate spring side baffle is required to be independently arranged on a longitudinal beam, a mounting hole is formed in the longitudinal beam, the thickness of the plate spring baffle is required to be matched with the gap between the longitudinal beam and the plate spring in order to enable the plate spring baffle to be abutted against the plate spring, the plate spring baffle is large in thickness and heavy in weight, and meanwhile, bolts are required to be used for fixing the plate spring baffle, so that the number of assembling parts is increased, and the light development requirement is not met. Therefore, the thickness of the plate spring baffle plate can be reduced if the plate spring baffle plate is integrally installed on the balance shaft assembly, and the aim of overall light weight is achieved.
The utility model aims to overcome the problem of heavy weight of the existing balance shaft assembly, integrates a plate spring baffle mounting part, provides a novel light-weight balance shaft assembly, and achieves the aim of integral weight reduction on the premise of ensuring the strength.
Therefore, the technical scheme of the utility model is as follows: the utility model provides a novel lightweight balance shaft assembly, includes balance shaft support, bearing hub, bush, is connected with the semi-axis on the balance shaft support, and its characterized in that is installed on the semi-axis through the bush to the bearing hub: the balance shaft support and the bearing hub both adopt light weight structures, the balance shaft support is also provided with a plate spring baffle plate mounting part,
the light-weight structure of the balance shaft support is as follows:
the outer sides of the longitudinal beam mounting parts on the two sides of the balance shaft support extend downwards to be respectively fixed with a plate spring baffle mounting part, the plate spring baffle mounting parts are provided with mounting holes matched with the longitudinal beams, and the plate spring baffles are fixed on the longitudinal beams through bolts shared by the plate spring baffles and the balance shaft support;
an arc transition surface which is concave towards one side of the cross beam installation part is arranged between the Y-shaped fork of the bracket body of the balance shaft bracket and the thrust rod installation part, the half shaft installation part is embedded in the concave part of the arc transition surface, the half shaft installation part is of a cylindrical structure, the other end of the half shaft installation part extends towards one side of the cross beam installation part,
the bottom of the beam mounting part of the balance shaft support extends downwards from a position corresponding to the inner side of the Y-shaped fork of the support body to form an inverted V-shaped support plate, the lower end of the support plate is connected with two side edges of the half shaft mounting part, the plate spring baffle mounting part is connected with two sides of the thrust rod mounting part through an inverted V-shaped support connecting plate, and the inner ends of the support plate and the support connecting plate are connected with an arc transition surface of the support body;
the supporting plate, the beam mounting part and the half shaft mounting part are connected through a connecting plate, the connecting plate is a cambered surface recessed towards the direction of the support body, and a middle hollow structure is enclosed among the connecting plate, the support body and the supporting plate;
the arc transition surface, the connecting plate, the supporting plate and the supporting connecting plate of the bracket body are all of thin-wall thick structures, and the abundant (thick-wall) parts of the existing product are optimized into effective wall thickness through arc transition and curved surface transition, so that the wall thickness is more uniform, the product quality is guaranteed in the product manufacturing process, the product weight is reduced while the product manufacturing and the product bearing capacity are guaranteed, the weight of the product is reduced by not less than 15%, and the product cost is reduced;
the arc transition reinforcing ribs and the reinforcing ribs with gradually increased cross sections extending from top to bottom are respectively arranged on one concave side of the arc transition surface of the bracket body and between the upper part of the inner side of the longitudinal beam mounting part and the two sides of the middle of the half shaft mounting part, so that the design is more effective in load transfer; the arc-shaped transition surface of the bracket body between the leaf spring baffle mounting part and the lower part of the half shaft mounting part is provided with a reinforcing rib edge so as to increase the strength;
the lightweight structure of bearing hub does:
including the bearing hub body, the centre is the balance shaft installation department, balance shaft installation department top perpendicular to axis direction has the rectangle seat that length is greater than the balance shaft installation department, be equipped with the recess on the tangent top surface of rectangle seat and balance shaft installation department, the both sides bottom of rectangle seat sets up along balance shaft installation department downwardly extending, wherein the bottom both sides set up the breach and form the stepped structure, the rectangle seat length direction both sides of recess both sides are provided with four groups of U type bolt mounting holes, wherein inboard U type bolt mounting hole is established on the lower step, the U type bolt mounting hole in the outside is established on the upper step, this kind of setting can all shorten to the little U type bolt mounting hole of outside atress and U type bolt, effectively reduce the weight of bearing hub weight and U type bolt, and reduce cost.
The technical scheme is further improved as follows: the two sides of the cylindrical structure of the half shaft installation part of the balance shaft support are respectively provided with a through weight reduction groove, the weight reduction grooves are communicated with the connecting plate, the support body and the supporting plate in a hollow structure, the wall thickness of a product is more uniform while weight is reduced, molten iron flows and is uniformly distributed in the casting process of the product, and the casting quality is easy to guarantee.
The technical scheme is further improved as follows: and arc-shaped wrapping ribs are arranged on one side, close to the support body, of the bolt mounting hole of the beam mounting part of the balance shaft support, so that the connection reliability is improved.
The technical scheme is further improved as follows: the arc transition surface of the support body of the balance shaft support and the connecting part on the inner side of the Y-shaped fork are in arc transition; compared with the existing right-angle transition, the shear force borne by the material is reduced, and the load transfer is promoted to be more effective.
The technical scheme is further improved as follows: the outer side of the thrust rod mounting part below the half shaft mounting part of the balance shaft support is of a hollow structure, so that casting defects caused by wall thickness easily during casting of product blanks can be reduced.
Preferably, the method comprises the following steps: the balance shaft support is integrally cast and formed, the outer contour of the balance shaft support is provided with the reinforcing rib edge, the forming is convenient, the surface quality and the overall quality of the balance shaft support can be improved, and the manufacturing cost is reduced.
Has the advantages that: compared with the prior art, the patent has the advantages that: adopts a light balance shaft bracket and a bearing hub, and is provided with a leaf spring baffle plate mounting part,
1. by integrating the installation part of the plate spring baffle, the material consumption of the baffle is reduced, and meanwhile, the weight of the balance shaft assembly is reduced, and the material consumption is reduced;
2. the assembly efficiency can be improved, the bolts of the balance shaft assembly can be assembled in a shared mode when the baffle is assembled, the loading cost is reduced, and the loading efficiency is improved;
3. the baffle is a quick-wear part, and a balance shaft assembly with a new structure is adopted, so that the baffle is extremely simple and convenient to disassemble, the replacement cost is reduced, and the user satisfaction is improved;
4. adopt new construction balance shaft assembly effectively to reduce U type bolt use cost, balance shaft assembly bearing hub weight reduce cost reduction.
Drawings
Fig. 1 is a sectional view of a conventional balance shaft assembly.
Fig. 2 is a perspective view of the present invention.
Fig. 3 is a first perspective view of the balance shaft bracket of the present invention.
Fig. 4 is a second perspective view of the balance shaft bracket of the present invention.
Fig. 5 is a front view of fig. 4.
Fig. 6 is a left side view of fig. 5.
Fig. 7 is a side view of the present invention taken from the middle.
Fig. 8 is a perspective view of a bearing hub of the present invention.
Fig. 9 is a front view of fig. 8.
Shown in the figure: 1. a leaf spring baffle mounting portion; 2. a stent body; 3. a thrust rod mounting section; 4. a beam mounting portion; 5. a half shaft mounting portion; 6. a support plate; 7. supporting the connecting plate; 8. a connecting plate; 9. reinforcing ribs; 10. reinforcing ribs; 11. a weight reduction groove; 12. wrapping the ribs; 13. A longitudinal beam mounting part; 21. a bearing hub body; 22. a balance shaft mounting portion; 23. a rectangular base; 231. descending a step; 232. an upper step; 24. a groove; 25. a notch; 26. a U-shaped bolt mounting hole; 100. a balance shaft support; 200. a bearing hub; 300. a half shaft; A. an arc transition surface; B. a connecting portion; C. and a hollow structure.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings, but the embodiment should not be construed as limiting the present invention.
The present invention is shown in fig. 2 to 9:
a novel light balance shaft assembly comprises a balance shaft support 100, a bearing hub 200 and a bush, wherein a half shaft 300 is connected onto the balance shaft support, the bearing hub is arranged on the half shaft (provided with an end cover) through the bush, the balance shaft support and the bearing hub both adopt light structures, a plate spring baffle plate mounting part is further arranged on the balance shaft support,
the light-weight structure of the balance shaft support is as follows:
the outer sides of the longitudinal beam mounting parts 14 on the two sides of the balance shaft support extend downwards to be respectively fixed with a plate spring baffle mounting part 1, mounting holes matched with the longitudinal beam are formed in the plate spring baffle mounting parts, and the plate spring baffles are fixed on the longitudinal beam through bolts shared with the balance shaft support, so that the bolts are saved, and the weight is reduced;
an arc transition surface A which is concave towards one side of a cross beam installation part 4 is arranged between the Y-shaped branch of a bracket body 2 of the balance shaft bracket and a thrust rod installation part 3, a half shaft installation part 5 is embedded in the concave part of the arc transition surface, the half shaft installation part is of a cylindrical structure, the other end of the half shaft installation part extends towards one side of the cross beam installation part,
the bottom of a beam mounting part 4 of the balance shaft support extends downwards from a position corresponding to the inner side of a Y-shaped fork of the support body to form an inverted V-shaped support plate 6, the lower end of the support plate is connected with two side edges of a half shaft mounting part 5, a plate spring baffle mounting part 1 is connected with two sides of a thrust rod mounting part 3 through an inverted V-shaped support connecting plate 7, and the inner ends of the support plate and the support connecting plate are connected with an arc transition surface of the support body;
the supporting plate 6, the beam mounting part 4 and the half shaft mounting part 5 are connected through a connecting plate 8, the connecting plate is a cambered surface recessed towards the direction of the support body, and a middle hollow structure is enclosed among the connecting plate, the support body and the supporting plate;
the arc transition surface, the connecting plate 8, the supporting plate 6 and the supporting connecting plate 7 of the support body 2 are all of thin-wall thick structures, and the rich (thick-wall) parts of the existing product are optimized to be effective wall thickness through arc transition and curved surface transition, so that the wall thickness is more uniform, the product quality is guaranteed in the product manufacturing process, the product weight is reduced while the product manufacturing and the product bearing capacity are guaranteed, the product weight is reduced by not less than 15%, and the product cost is reduced;
the arc transition reinforcing ribs 9 and the reinforcing ribs with gradually increased cross sections extending from top to bottom are respectively arranged on one concave side of the arc transition surface of the bracket body and between the upper part of the inner side of the longitudinal beam mounting part and the two sides of the middle of the half shaft mounting part, so that the design is more effective in load transfer; the arc transition surface of the bracket body between the plate spring baffle mounting part and the lower part of the half shaft mounting part is provided with a reinforcing rib edge 10 to increase the strength;
the lightweight structure of bearing hub does:
including bearing hub body 21, middle balanced axle installation department 22 that is, balanced axle installation department top perpendicular to axis direction has length to be greater than the rectangle seat 23 of balanced axle installation department, be equipped with recess 24 on the tangent top surface of rectangle seat and balanced axle installation department, the both sides bottom of rectangle seat sets up along balanced axle installation department downwardly extending, wherein bottom both sides set up breach 25 and form the stepped structure, the rectangle seat length direction both sides of recess both sides are provided with four groups of U type bolt mounting holes 26, wherein inboard U type bolt mounting hole establishes on lower step 231, the U type bolt mounting hole in the outside establishes on upper step 232, this kind of setting can shorten to the little U type bolt mounting hole of outside atress and U type bolt, effectively reduce the weight of bearing hub weight and U type bolt, and reduce cost.
The two sides of the cylindrical structure of the half shaft mounting part 5 of the balance shaft support are respectively provided with a through weight reducing groove 11, hollow structures are formed among the weight reducing grooves, the connecting plate, the support body and the supporting plate to be communicated, the wall thickness of a product is more uniform while weight is reduced, molten iron flows and is uniformly distributed in the casting process of the product, and the casting quality is easy to guarantee.
And arc-shaped wrapping ribs 12 are arranged on one side, close to the support body, of the bolt mounting holes of the beam mounting part of the balance shaft support, so that the connection reliability is improved.
The arc transition surface of the support body of the balance shaft support and the connecting part B on the inner side of the Y-shaped fork are in arc transition; compared with the existing right-angle transition, the shear force borne by the material is reduced, and the load transfer is promoted to be more effective.
The outer side of the thrust rod mounting part below the half shaft mounting part of the balance shaft support is provided with a hollow structure C, so that casting defects caused by wall thickness during casting of product blanks can be reduced.
The balance shaft support is integrally cast and formed, the outer contour of the balance shaft support is provided with the reinforcing rib edge, the forming is convenient, the surface quality and the overall quality of the balance shaft support can be improved, and the manufacturing cost is reduced.
Those skilled in the art will appreciate that the details of the present invention are not described in detail herein.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. The utility model provides a novel light-weighted balance shaft assembly, includes balance shaft support, bearing hub, bush, is equipped with the semi-axis on the balance shaft support, and the bearing hub passes through the bush to be installed on the semi-axis, its characterized in that: the balance shaft support and the bearing hub both adopt light weight structures, the balance shaft support is also provided with a plate spring baffle plate mounting part,
the light-weight structure of the balance shaft support is as follows:
the outer sides of the longitudinal beam mounting parts on the two sides of the balance shaft support extend downwards to be respectively fixed with a plate spring baffle mounting part, the plate spring baffle mounting parts are provided with mounting holes matched with the longitudinal beams, and the plate spring baffles are fixed on the longitudinal beams through bolts shared by the plate spring baffles and the balance shaft support;
an arc transition surface which is concave towards one side of the cross beam installation part is arranged between the Y-shaped fork of the bracket body of the balance shaft bracket and the thrust rod installation part, the half shaft installation part is embedded in the concave part of the arc transition surface, the half shaft installation part is of a cylindrical structure, the other end of the half shaft installation part extends towards one side of the cross beam installation part,
the bottom of the beam mounting part of the balance shaft support extends downwards from a position corresponding to the inner side of the Y-shaped fork of the support body to form an inverted V-shaped support plate, the lower end of the support plate is connected with two side edges of the half shaft mounting part, the plate spring baffle mounting part is connected with two sides of the thrust rod mounting part through an inverted V-shaped support connecting plate, and the inner ends of the support plate and the support connecting plate are connected with an arc transition surface of the support body;
the supporting plate, the beam mounting part and the half shaft mounting part are connected through a connecting plate, the connecting plate is a cambered surface recessed towards the direction of the support body, and a middle hollow structure is enclosed among the connecting plate, the support body and the supporting plate;
the arc transition surface, the connecting plate, the supporting plate and the supporting connecting plate of the bracket body all adopt thin-wall thick structures,
arc transition reinforcing ribs and reinforcing ribs with gradually increased sections extending from top to bottom are respectively arranged on one concave side of the arc transition surface of the bracket body and between the upper part of the inner side of the longitudinal beam mounting part and the two sides of the middle of the half shaft mounting part; the arc-shaped transition surface of the bracket body between the leaf spring baffle mounting part and the lower part of the half shaft mounting part is provided with a reinforcing rib edge;
the lightweight structure of bearing hub does:
including the bearing hub body, the centre is the balance shaft installation department, balance shaft installation department top perpendicular to axis direction has length to be greater than the rectangle seat of balance shaft installation department, be equipped with the recess on the tangent top surface of rectangle seat and balance shaft installation department, the both sides bottom of rectangle seat sets up along balance shaft installation department downwardly extending, wherein the bottom both sides set up the breach and form stepped structure, the rectangle seat length direction both sides of recess both sides are provided with four groups of U type bolt mounting holes, wherein inboard U type bolt mounting hole is established on the lower step, the U type bolt mounting hole in the outside is established on the upper step.
2. The novel light-weight balance shaft assembly of claim 1, wherein: and two sides of the cylindrical structure of the half shaft mounting part of the balance shaft support are respectively provided with a through lightening groove, and the lightening grooves are communicated with the connecting plate, the support body and the support plate to form hollow structures.
3. The novel lightweight balance shaft assembly of claim 1 or 2, wherein: and arc-shaped wrapping ribs are arranged on one side, close to the support body, of the bolt mounting hole of the beam mounting part of the balance shaft support.
4. The novel light-weight balance shaft assembly of claim 3, wherein: the arc transition surface of the support body of the balance shaft support and the connecting part on the inner side of the Y-shaped fork are in arc transition.
5. The novel lightweight balance shaft assembly of claim 1, 2 or 4, wherein: the outer side of the thrust rod mounting part below the half shaft mounting part of the balance shaft support is of a hollow structure.
6. The novel balance shaft assembly with reduced weight as set forth in claim 5, wherein: the balance shaft support is integrally cast and formed, and reinforcing rib edges are arranged on the outer contour of the balance shaft support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122213670.XU CN215662831U (en) | 2021-09-14 | 2021-09-14 | Novel light-weight balance shaft assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122213670.XU CN215662831U (en) | 2021-09-14 | 2021-09-14 | Novel light-weight balance shaft assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215662831U true CN215662831U (en) | 2022-01-28 |
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ID=79962934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122213670.XU Active CN215662831U (en) | 2021-09-14 | 2021-09-14 | Novel light-weight balance shaft assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215662831U (en) |
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2021
- 2021-09-14 CN CN202122213670.XU patent/CN215662831U/en active Active
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