CN111186276B - Process for manufacturing balanced suspension composite structure - Google Patents
Process for manufacturing balanced suspension composite structure Download PDFInfo
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- CN111186276B CN111186276B CN202010093857.8A CN202010093857A CN111186276B CN 111186276 B CN111186276 B CN 111186276B CN 202010093857 A CN202010093857 A CN 202010093857A CN 111186276 B CN111186276 B CN 111186276B
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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
Abstract
A process for manufacturing a balanced suspension assembly comprising the steps of: integrally casting and forming the tubular beam; forming a balance bracket; immersing the tubular beam and the balance bracket in a liquid anticorrosive paint, wherein the paint is uniformly coated on the inner surface and the outer surface of the tubular beam; and taking out the tubular beam and the balance bracket, discharging the liquid anticorrosive paint in the tubular beam through the liquid discharge hole, and drying.
Description
Technical Field
The invention relates to the field of automobile manufacturing, in particular to a process for manufacturing a balanced suspension combined structure.
Background
Suspension assemblies are common components on automobiles. For example, chinese patent CN103009957A discloses a truck balanced suspension assembly, which comprises a balanced suspension, an oil seal race, an oil seal assembly, a tapered roller bearing, a leaf spring seat, a lock nut, a lock washer, a dust cap, an oil injection nozzle, and a bolt, wherein the balanced suspension comprises a balanced suspension support, a balance beam, and a balance shaft, the balanced suspension support is fixed at two ends of the balance beam by welding, the leaf spring seat is connected with the balanced suspension support by a balance shaft, and two tapered roller bearings are installed between the leaf spring seat and the balance shaft. Wherein, the compensating beam is formed by stamping steel plates. However, the balance beam stamped by the steel plate has heavy weight and a complex mounting structure, and is not beneficial to oil saving and energy saving.
The balance (suspension) beam adopts a pipe body structure, and two ends of the balance suspension beam are directly connected to the longitudinal beam of the frame; in order to ensure the overall strength, the structure thickness needs to be increased to ensure the strength of the connection with the longitudinal beam, so that a large amount of materials are wasted, and the lightweight of an automobile is not facilitated.
In addition, the suspension frame combined structure adopts steel materials, and the steel materials can be corroded in severe environment, so that the service life is shortened. Meanwhile, the existing suspension combined structure is complex in machining and manufacturing process, low in production efficiency and high in yield.
In addition, conventional balanced suspension assemblies are typically manufactured by separately manufacturing the individual components and then joining the individual components together. Alternatively, the individual components are manufactured separately, then the individual components are coated with the corrosion protection layer, and finally the individual components are connected by the connecting elements. The conventional process has the following disadvantages: the product is not provided with an anticorrosive coating, so that the anticorrosive performance and the service life are reduced; or, each part is coated with an anticorrosive layer, so that the process flow is complex and the efficiency is low; the connecting piece is not provided with an anti-corrosion coating; the existing anticorrosive coating is easily damaged in the process of connecting all the parts by the connecting piece; the existing coating may affect the connection of the various components.
Accordingly, there is a need for a balanced suspension structure and a process for manufacturing a balanced suspension assembly that addresses one or more of the problems set forth above.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a balanced suspension combined structure and a manufacturing process thereof, which can solve at least one of the following technical problems: the weight of the suspension combined structure is reduced; the service life is prolonged; the yield is improved; the process is simplified and the cost is reduced.
To solve at least one of the above-mentioned technical problems, according to an aspect of the present invention, there is provided a process for manufacturing a balanced suspension assembly, characterized by comprising the steps of:
integrally casting and forming a tubular beam, wherein the tubular beam comprises a first main body, a first connecting part and a second connecting part, two ends of the first main body are connected with the first connecting part, the second connecting part is arranged at the bottom side of the first main body, and a liquid discharge hole is formed in the tubular beam;
forming a balance bracket comprising a second main body, a third connecting portion connectable with the second connecting portion, and a fourth connecting portion connectable with a stringer;
immersing the tubular beam and the balance bracket in a liquid anticorrosive coating, wherein the coating is uniformly coated on the inner surface and the outer surface of the tubular beam;
and taking out the tubular beam and the balance bracket, discharging the liquid anticorrosive paint in the tubular beam through the liquid discharge hole, and drying.
According to another aspect of the present invention, the tubular beam has a hollow portion having a varying cross-section along a longitudinal axis direction of the tubular beam to form a depressed area.
According to still another aspect of the present invention, the depressed area is located in the vicinity of the second connection portion.
According to still another aspect of the present invention, the tubular beam has a larger wall thickness at a position corresponding to the second connection portion than at other positions.
According to still another aspect of the present invention, the liquid contained in the hollow portion is rapidly drained through the depressed region and the liquid drain hole.
According to still another aspect of the present invention, a liquid discharge hole is provided in the depressed area.
According to a further aspect of the invention, the liquid discharge holes are provided at the bottom side and/or the top side of the tubular beam.
According to yet another aspect of the invention, the liquid is an anti-corrosive paint.
According to another aspect of the present invention, the method further comprises forming a connecting member, and connecting both ends of the connecting member to the corresponding two balancing brackets, respectively.
According to another aspect of the invention, the pipe beam and the frame assembly are further connected to form an integral structure, and the integral structure is immersed in liquid anticorrosive paint.
The invention has the advantages that:
the balance support is further reinforced and supported by the tubular beam, so that the overall weight of the suspension frame combined structure can be reduced, the light weight of a product is realized, and meanwhile, the reliable connection strength can be provided;
the service life is prolonged by applying the anti-corrosion coating on the inner surface and the outer surface; by improving the production process, the yield and the production efficiency are improved, and the cost is reduced.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic view of a liquid discharge hole of a balanced suspension assembly according to a preferred embodiment of the present invention.
Fig. 2 is a schematic view of a tubular beam structure of a balanced suspension assembly according to a preferred embodiment of the present invention.
Fig. 3 is a schematic view of a balanced suspension assembly according to a preferred embodiment of the present invention when mounted to a vehicle frame.
Fig. 4 is a schematic view of a balancing bracket of a balanced suspension assembly according to a preferred embodiment of the present invention.
Fig. 5 is an enlarged view of a portion of the structure of fig. 3.
Fig. 6 is a process flow diagram for manufacturing a balanced suspension assembly in accordance with a preferred embodiment of the present invention.
Detailed Description
The best mode for carrying out the present invention will be described in detail with reference to the accompanying drawings, wherein the detailed description is for the purpose of illustrating the invention in detail, and is not to be construed as limiting the invention, as various changes and modifications can be made therein without departing from the spirit and scope thereof, which are intended to be encompassed within the appended claims.
Example 1
First, a balanced suspension composite structure to be manufactured will be described in detail. In accordance with a preferred embodiment of the present invention, and with reference to fig. 1-5, there is provided a balanced suspension assembly comprising:
an integrally formed tubular beam, which comprises a first main body 2, a first connecting part 3 and a second connecting part 5, wherein the first connecting part 3 is connected with two ends of the first main body 2, the second connecting part 5 is arranged at the bottom side of the first main body 2, and a liquid discharge hole is arranged on the tubular beam;
a balancing bracket 6 comprising a second body, a third connecting portion 62 connectable with said second connecting portion 5, and a fourth connecting portion 61 connectable with the longitudinal beam 1.
According to a preferred embodiment of the invention, the tubular beam has a hollow which has a varying cross section in the direction of the longitudinal axis of the tubular beam to form a depression. The depressed area can be used to quickly collect the liquid contained in the hollow portion, and then discharge the liquid through the liquid discharge holes provided in the depressed area. This is important when applying a coating having a certain viscosity, such as a paint coating, to the inner and outer surfaces of the tubular beam, and the provision of the depressed areas and the liquid discharge holes can greatly reduce the time required for discharging and drying the paint, which is advantageous in improving the production efficiency and reducing the production cost. The structure of the present invention facilitates rapid and complete drainage of the viscous liquid coating, enabling a substantial increase in its drainage efficiency, which can be increased by, for example, more than 30%, compared to, for example, arrangements having only liquid drainage holes.
According to a preferred embodiment of the present invention, the depressed area is located in the vicinity of the second connection portion 5, but the present invention is not limited thereto. Compared with the arrangement in the middle of the tubular beam, the low-lying areas are arranged at the positions of the second connecting parts 5 at the two ends of the tubular beam, so that the overall strength of the existing tubular beam is maintained.
According to a preferred embodiment of the invention, the tubular beam has a greater wall thickness at the location corresponding to the second connection 5 than at other locations.
According to a preferred embodiment of the invention, the lowered area is provided with liquid discharge holes. The number of the liquid discharge holes may be set to one, two or more as required. Preferably, the number of the liquid discharge holes and the depressed areas is two, and the two liquid discharge holes are respectively provided in the two depressed areas at both ends of the hollow portion of the tubular beam. However, the present invention is not limited thereto, and for example, the number of the liquid discharge holes and the depressed areas may be plural.
Preferably, each of the depressed regions is provided with two or more liquid discharge holes. The liquid discharge holes are arranged in a straight line parallel to the longitudinal axis of the tubular beam.
More advantageously, the liquid discharge holes are staggered on either side of a line parallel to the longitudinal axis of the tubular beam with reference to the line. Such an arrangement may be advantageous in maintaining the strength of the tubular beam. Advantageously, the liquid outlet openings in the plurality of lowered areas are offset with respect to a line parallel to the longitudinal axis of the tubular beam. Advantageously, the range of the ratio r of the area S of the liquid discharge orifice to the cross-sectional area S of the hollow portion at the position of the orifice is preferably: r is 1/500 or more and 1/8 or less. This preferred range can maintain the strength of the pipe beam while facilitating the drainage of viscous liquids such as paint. The invention is not so limited. Preferably, the liquid discharge holes in the depressed areas have different areas s. This area S corresponds to the cross-sectional area S of the hollow portion where the hole is located.
Preferably, the lowered area includes a first lowered area and a second lowered area. The area s1 of the liquid discharge hole in the first low-lying region is different from the area s2 of the liquid discharge hole in the second low-lying region. But the invention is not limited thereto.
According to a preferred embodiment of the present invention, the depressed area and the liquid discharge hole are used to drain the hollow portion from the liquid contained therein.
According to a preferred embodiment of the invention, the liquid discharge openings are arranged at the bottom side and/or the top side of the tubular beam. Advantageously, providing liquid drain holes on both the bottom side and the top side benefits the flexibility of the location of the tube beam when draining paint, while facilitating quick draining of paint.
According to a preferred embodiment of the invention, the liquid is an anticorrosive coating, such as paint.
According to a preferred embodiment of the present invention, the balanced suspension assembly further includes a connecting member, and two ends of the connecting member are respectively connected to the fifth connecting portions disposed on the two corresponding balanced brackets.
According to a preferred embodiment of the invention, the tubular beam is provided with a paint coating on its inner and outer surfaces.
A process of manufacturing a balanced suspension assembly of the present invention is further described below.
There is also provided in accordance with a preferred embodiment of the present invention a process for manufacturing a balanced suspension assembly.
Specifically, referring to fig. 6, the process for manufacturing a balanced suspension assembly includes the steps of:
integrally casting and forming a tubular beam, wherein the tubular beam comprises a first main body 2, a first connecting part 3 and a second connecting part 5, the first connecting part 3 is connected to two ends of the first main body 2, the second connecting part 5 is arranged at the bottom side of the first main body 2, and a liquid discharge hole 21 is formed in the tubular beam;
forming a balancing bracket 6 comprising a second body, a third connecting portion 62 connectable to said second connecting portion 5, and a fourth connecting portion 61 connectable to a stringer;
immersing the tubular beam and the balance bracket 6 in a liquid anticorrosive paint, wherein the inner surface and the outer surface of the tubular beam are uniformly coated with the paint;
and taking out the tubular beam and the balance bracket 6, discharging the liquid anticorrosive paint in the tubular beam through the liquid discharge hole, and drying.
According to a preferred embodiment of the invention, the tubular beam has a hollow which has a varying cross section in the direction of the longitudinal axis of the tubular beam to form a depression.
According to a preferred embodiment of the invention, this lowered area is located in the vicinity of the second connection 5.
According to a preferred embodiment of the invention, the tubular beam has a greater wall thickness at the location corresponding to the second connection 5 than at other locations.
According to a preferred embodiment of the present invention, the liquid discharge hole is provided in the depressed area.
According to a preferred embodiment of the present invention, the depressed area and the liquid discharge hole are used to drain the hollow portion from the liquid contained therein.
According to a preferred embodiment of the invention, the liquid discharge openings are arranged at the bottom side and/or the top side of the tubular beam.
According to a preferred embodiment of the present invention, the balanced suspension assembly further includes a connecting member, and two ends of the connecting member are respectively connected to the fifth connecting portions disposed on the two corresponding balanced brackets.
According to a preferred embodiment of the present invention, the tubular beam and the frame assembly are further connected to form an integral structure, and the integral structure is immersed in a liquid anticorrosive paint. Advantageously, by applying a paint coating to the integral structure, a higher quality product can be obtained, increasing the corrosion protection of the product.
There is also provided in accordance with a preferred embodiment of the present invention a manufacturing process including the steps of:
integrally casting and forming a tubular beam, wherein the tubular beam comprises a first main body 2, a first connecting part 3 and a second connecting part 5, the first connecting part 3 is connected to two ends of the first main body 2, the second connecting part 5 is arranged at the bottom side of the first main body 2, and a liquid discharge hole 21 is formed in the tubular beam;
connecting the tubular beam with a frame assembly;
immersing the tubular beam and the frame assembly in a liquid anticorrosive coating, wherein the coating is uniformly coated on the inner surface and the outer surface of the tubular beam;
and taking out the tubular beam and the frame assembly, discharging the liquid anticorrosive paint in the tubular beam through the liquid discharge hole, and drying.
According to a preferred embodiment of the present invention, the tubular beam may be separately immersed in the liquid corrosion prevention coating to apply the coating.
The invention may obtain one or more of the following advantages:
the balance support is further reinforced and supported by the tubular beam, so that the overall weight of the suspension frame combined structure can be reduced, the light weight of a product is realized, and meanwhile, the reliable connection strength can be provided;
the service life is prolonged by applying the anti-corrosion coating on the inner surface and the outer surface; by improving the production process, the yield and the production efficiency are improved, and the cost is reduced.
Example 2
The invention provides a balanced suspension combined structure, which aims to solve at least one technical problem that: the weight of the suspension combined structure is reduced; the service life is prolonged by applying the anti-corrosion coating on the inner surface and the outer surface; by improving the production process, the yield and the production efficiency are improved, and the cost is reduced.
In accordance with a preferred embodiment of the present invention, and with reference to fig. 1-5, there is provided a balanced suspension assembly comprising:
the pipe beam comprises a first main body 2, a first connecting part 3 and a second connecting part 5, wherein two ends of the first main body 2 are connected between the pair of longitudinal beams 1 through the first connecting part 3, and the second connecting part 5 is arranged at the bottom side of the first main body 2;
a balancing bracket 6 comprising a second body, a third connecting portion 62 connectable with said second connecting portion 5, and a fourth connecting portion 61 connectable with the longitudinal beam 1.
According to a preferred embodiment of the present invention, the tubular beam has a hollow portion having a varying cross section along a longitudinal axis direction of the tubular beam, but the present invention is not limited thereto. The cross-section may be, for example, circular, square, profiled, etc.
According to a preferred embodiment of the present invention, the cross section of the hollow portion at a position corresponding to the second connecting portion 5 is larger than the cross section of the hollow portion at other positions. For example, the cross section is largest at the position range of the second connection portion, or is largest at a certain position in the position range of the second connection portion. Advantageously, at the location of this maximum cross section, a lowermost depression of the entire hollow can generally be formed. Referring to fig. 5, the liquid discharge holes 21 may be disposed at a lowermost point or a lowermost range of the hollow portion, for example. However, the present invention is not limited thereto, and for example, the lowest depressed point or the lowest depressed area of the hollow portion may be changed to other portions by the related design.
According to a preferred embodiment of the invention, the tubular beam has a greater wall thickness at the location corresponding to the second connection 5 than at other locations. Referring to fig. 5, the tubular beam is provided with second connecting portions 5 at the bottom sides of both ends of the first body, and accordingly, the first body has a larger wall thickness at the corresponding positions of both ends thereof, thereby serving as a reinforcement, on the one hand, and optionally providing liquid discharge holes 21 at the positions of the wall thickness, on the other hand. It will be appreciated that the tubular beam is thicker at the position corresponding to the second connecting portion 5, and is also the lowest hollow position of the hollow portion, which is the preferred location for the liquid discharge holes 21.
According to a preferred embodiment of the invention, the tubular beam is provided with liquid discharge holes 21.
According to a preferred embodiment of the present invention, the liquid discharge holes 21 are provided at positions corresponding to the second connection portions 5. The number of the liquid discharge holes 21 is preferably, for example, 2, but the present invention is not limited thereto, and the number of the liquid discharge holes 21 may be smaller or larger.
According to a preferred embodiment of the present invention, the liquid discharge holes 21 are provided on the bottom side and the top side of the tubular girder body 2, for example. The number of the liquid discharge holes 21 is preferably, for example, 4, and two liquid discharge holes are provided at each of the bottom side and the top side, but the present invention is not limited thereto, and the number of the liquid discharge holes 21 may be smaller or larger.
According to a preferred embodiment of the invention, the liquid discharge openings are arranged at the bottom side and/or the top side of the tubular beam.
According to a preferred embodiment of the present invention, the balanced suspension assembly further includes a connecting member, and two ends of the connecting member are respectively connected to the fifth connecting portions disposed on the two corresponding balanced brackets.
According to a preferred embodiment of the invention the tubular beam is provided with a coating on its inner and outer surfaces. To prevent corrosion affecting the service life, it is advantageous to provide coatings on the inner and outer surfaces of the tubular beam. The coating is, for example, a paint coating, but the invention is not limited thereto and other suitable coatings may be chosen. In the process of applying the paint coating, in order to improve the production efficiency, the tubular beam and the frame assembly can be integrally connected and then soaked in the liquid coating to apply the coating.
According to a preferred embodiment of the invention, after the coating is applied, the entire component is dried. In the process, researchers find that the liquid coating inside the tubular beam is difficult to discharge quickly, and special manpower and a lot of time are needed for completion. In order to further solve the problems of production efficiency and labor intensity, the invention is provided with the liquid discharge hole, so that the production time can be greatly shortened, the production efficiency can be improved, and the production cost can be saved. Meanwhile, in order to reduce the influence of the liquid discharge holes on the strength of the balanced suspension combined structure, the positions, sizes, arrangement manners and the like of the liquid discharge holes and the structure of the hollow portion are further optimized and improved.
According to a preferred embodiment of the present invention, the balanced suspension assembly can be manufactured by the manufacturing process of example 1.
Therefore, the invention can obtain the following technical effects:
the balance support is further reinforced and supported by the tubular beam, so that the overall weight of the suspension frame combined structure can be reduced, the light weight of a product is realized, and meanwhile, the reliable connection strength can be provided;
the service life is prolonged by applying the anti-corrosion coating on the inner surface and the outer surface; by improving the production process, the yield and the production efficiency are improved, and the cost is reduced.
Example 3
Referring to fig. 1-5, the present invention provides a balanced suspension assembly including a balanced suspension tubular beam and a balance bracket. The tubular beam is disposed between a pair of longitudinal beams 1. The balanced suspension tubular beam comprises a tubular beam main body 2, longitudinal beam flanges 3, four groups of horizontal thrust rod connecting lugs 4 and a pair of balanced suspension flanges 5. The tubular beam main body 2 is of a hollow structure, and the longitudinal beam flanges 3 are arranged at two ends of the tubular beam main body 2; two groups of horizontal thrust rod connecting lugs are respectively arranged on one side of two ends of the tubular beam main body 2, and the other two groups of horizontal thrust rod connecting lugs are respectively arranged on the other side of two ends of the tubular beam main body 2; the pair of equalizing suspension flanges 5 are respectively provided on both end bottom sides of the tubular beam body 2.
According to a preferred embodiment of the invention, each balance suspension flange 5 is connected with a balance bracket 6, and the top end of the balance bracket 6 is provided with a flange plate 62 connected with the balance suspension flange 5 and a bolting plate 61 connected with the longitudinal beam 1; the flange plate 62 on the balance bracket 6 is at an angle, such as a vertical angle, to the bolted plate 61.
According to a preferred embodiment of the present invention, referring to fig. 3, the bottom end side of the balance bracket 6 is provided with a connector 7 in a horizontal direction, and the connector 7 is parallel to the tubular girder body 2, and the connector 7 connects the balance bracket 6 to another balance bracket 6.
According to a preferred embodiment of the present invention, the tubular girder body 2 has a circular outer cross-section, and the tubular girder body 2 has a circular inner cross-section. However, the present invention is not limited thereto, and various suitable shapes such as a square shape, a polygonal shape, and the like may be selected. Advantageously, reinforcing ribs may be provided on the tubular beam body 2, the stringer flanges 3 and/or the equalizing suspension flanges 5 as required.
According to a preferred embodiment of the present invention, a plurality of bolting bosses 8 are provided on the side of the tubular girder body 2 along the extending direction of the tubular girder body 2; the axis of the bolt lug boss 8 and the axis of the horizontal thrust rod lug are positioned in the same plane.
According to a preferred embodiment of the present invention, each set of the horizontal thrust rod lugs comprises a pair of horizontal connecting units, one of which is disposed on the side edge of the end of the tubular beam body 2, and the other of which is disposed on the longitudinal beam flange 3 or the tubular beam body 2.
According to a preferred embodiment of the invention, each group of horizontal thrust rod lugs is respectively connected with a horizontal thrust rod 9, and the horizontal thrust rods 9 positioned on the same side of the tubular beam main body 2 are connected to form a V-shaped structure.
According to a preferred embodiment of the present invention, referring to fig. 5, in order to improve the production efficiency of products, shorten the manufacturing cycle of products, and improve the lifespan of products, the tubular girder body 2 is provided with the liquid discharge holes 21. Preferably, referring to fig. 5, the liquid discharge holes 21 are provided on the bottom side of the tubular girder body 2. The number of the liquid discharge holes 21 is preferably, for example, 2, but the present invention is not limited thereto, and the number of the liquid discharge holes 21 may be smaller or larger.
According to a preferred embodiment of the present invention, the liquid discharge holes 21 are provided on the bottom side and the top side of the tubular girder body 2, for example. The number of the liquid discharge holes 21 is preferably, for example, 4, and two liquid discharge holes are provided at each of the bottom side and the top side, but the present invention is not limited thereto, and the number of the liquid discharge holes 21 may be smaller or larger.
According to a preferred embodiment of the present invention, the balanced suspension assembly can be manufactured by the manufacturing process of example 1.
Therefore, the invention can obtain the following technical effects:
the balance support is further reinforced and supported by the tubular beam, so that the overall weight of the suspension frame combined structure can be reduced, the light weight of a product is realized, and meanwhile, the reliable connection strength can be provided;
the service life is prolonged by applying the anti-corrosion coating on the inner surface and the outer surface; by improving the production process, the yield and the production efficiency are improved, and the cost is reduced.
Example 4
In accordance with a preferred embodiment of the present invention, an equalizing suspension assembly, as shown in fig. 1 to 4, includes an equalizing suspension tubular beam and an equalizing bracket 6. The balanced suspension tubular beam is arranged between a pair of symmetrically arranged longitudinal beams 1, and a plurality of connecting holes are formed in the longitudinal beams; the balanced suspension tubular beam comprises a tubular beam main body 2, a longitudinal beam flange 3, a horizontal thrust rod lug 4 and a balanced suspension flange 5.
The tubular beam main body 2 is of a hollow cylinder structure, and the longitudinal beam flanges 3 are arranged at two ends of the tubular beam main body 2 and are connected to connecting holes in the inner side wall of the longitudinal beam 1 through bolts; the horizontal thrust rod connecting lugs 4 are provided with four groups and are uniformly arranged on the side surfaces of two ends of the tubular beam main body 2; the balanced suspension flanges 5 are provided with a pair of flanges and are respectively arranged on the bottom surfaces of the two ends of the tubular beam main body 2, and the balanced suspension flanges 5 positioned on the bottom surfaces of the two ends of the tubular beam main body 2 are positioned between the adjacent horizontal thrust rod connecting lugs 4.
A balance bracket 6 is connected to a balance suspension flange 5 on the tubular beam main body 2, and a flange plate 62 connected with the balance suspension flange on the tubular beam main body 2 and a bolting plate 61 matched with a connecting hole on the outer side wall of the longitudinal beam 1 are arranged on the top end of the balance bracket 6; the flange plate 62 on the balance bracket 6 and the bolting plate 61 form a certain angle, such as a vertical included angle, the flange plate 62 on the balance bracket 6 is connected to the balance suspension flange 5 on the tubular beam main body 2 through a bolt, and the bolting plate 61 on the balance bracket 6 is connected to the outer side wall connecting hole of the longitudinal beam 1 through a bolt.
The bottom side of balanced support 6 is provided with connecting plate 7 along the horizontal direction, and this connecting plate 7 is parallel with tubular beam main part 2, and the both ends of connecting plate 7 are provided with the bolt hole and connect connecting plate 7 on the side of balanced support 6 bottom through the bolt, realize being connected between the adjacent balanced support 6.
The external section of the tubular beam main body 2 is of a circular structure. The inner section of the tubular beam main body 2 is of a circular structure.
A plurality of bolting bosses 8 are arranged on the side edge of the tubular beam main body 2 along the extending direction of the tubular beam main body 2 on the tubular beam main body 2; the axis of the bolt lug boss 8 and the axis of the horizontal thrust rod lug 4 are positioned in the same plane; the bolting boss 8 is used for mounting parts on the tubular beam body.
The horizontal thrust rod connecting lug 4 comprises a pair of horizontal connecting units, one horizontal connecting unit is arranged on the side edge of the end part of the tubular beam main body 2, and the other horizontal connecting unit is arranged on the back surface of the longitudinal beam flange 3 or the tubular beam main body 2; two groups of horizontal thrust rod connection lugs 4 positioned on the same side edge of the tubular beam main body 2 are connected with horizontal thrust rods 9, and the other ends of the horizontal thrust rods 9 are connected to form a V-shaped structure.
According to a preferred embodiment of the present invention, the balanced suspension assembly can be manufactured by the manufacturing process of example 1.
The invention can obtain one or more of the following technical effects:
the balance support is further reinforced and supported by the tubular beam, so that the overall weight of the suspension frame combined structure can be reduced, the light weight of a product is realized, and meanwhile, the reliable connection strength can be provided;
the service life is prolonged by applying the anti-corrosion coating on the inner surface and the outer surface; by improving the production process, the yield and the production efficiency are improved, and the cost is reduced.
It will be appreciated that the various embodiments described above may be combined with each other to produce yet another embodiment.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A process for manufacturing a balanced suspension assembly comprising the steps of:
integrally casting and forming a tubular beam, wherein the tubular beam comprises a first main body, a first connecting part and a second connecting part, two ends of the first main body are connected with the first connecting part, the second connecting part is arranged at the bottom side of the first main body, and a liquid discharge hole is formed in the tubular beam;
forming a balance bracket comprising a second main body, a third connecting portion connectable with the second connecting portion, and a fourth connecting portion connectable with a stringer;
immersing the tubular beam and the balance bracket in a liquid anticorrosive paint, wherein the paint is uniformly coated on the inner surface and the outer surface of the tubular beam;
and taking out the tubular beam and the balance bracket, discharging the liquid anticorrosive paint in the tubular beam through the liquid discharge hole, and drying.
2. The process according to claim 1, characterized in that: the tubular beam has a hollow portion with a varying cross-section along a longitudinal axis of the tubular beam to form a depressed area.
3. The process according to claim 2, characterized in that: the low-lying area is located in the vicinity of the second connection portion.
4. The process according to any one of claims 1 to 3, characterized in that: at the position corresponding to the second connection, the tubular beam has a larger wall thickness than at other positions.
5. The process according to claim 2, characterized in that: the liquid contained in the hollow portion is rapidly drained through the depressed area and the liquid discharge hole.
6. The process according to claim 2, characterized in that: a liquid discharge hole is provided in the low-lying region.
7. Process according to claim 5, characterized in that the liquid discharge holes are provided at the bottom side and/or the top side of the tubular beam.
8. The process according to claim 6, characterized in that the liquid is an anticorrosive paint.
9. The process of any one of claims 1 to 3, further comprising forming a connector, the connector having two ends respectively connected to the two corresponding counter-supports.
10. The process of any one of claims 1-3, further comprising immersing the tubular beam and frame assembly in a liquid corrosion resistant coating to form a unitary structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010093857.8A CN111186276B (en) | 2020-02-14 | 2020-02-14 | Process for manufacturing balanced suspension composite structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010093857.8A CN111186276B (en) | 2020-02-14 | 2020-02-14 | Process for manufacturing balanced suspension composite structure |
Publications (2)
| Publication Number | Publication Date |
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| CN111186276A CN111186276A (en) | 2020-05-22 |
| CN111186276B true CN111186276B (en) | 2020-09-25 |
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| CN202010093857.8A Active CN111186276B (en) | 2020-02-14 | 2020-02-14 | Process for manufacturing balanced suspension composite structure |
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| FR2967092A1 (en) * | 2010-11-05 | 2012-05-11 | Renault Sa | FLEXIBLE AXLE FOR AUTOMOTIVE VEHICLE IN PART GLUE. |
| CN103009957A (en) * | 2013-01-18 | 2013-04-03 | 中恒通(福建)机械制造有限公司 | Cargo truck balanced suspension assembly |
| DE102014105904A1 (en) * | 2014-04-28 | 2015-10-29 | Benteler Automobiltechnik Gmbh | Twist-beam axle and method for producing a torsion profile |
| DE102015220230A1 (en) * | 2015-10-16 | 2017-04-20 | Thyssenkrupp Ag | Coated spring |
| CN107310342B (en) * | 2016-04-26 | 2020-05-22 | 宝山钢铁股份有限公司 | Variable cross-section line hydraulic expansion tube torsion beam |
| CN107839426B (en) * | 2017-09-30 | 2023-05-30 | 东风商用车有限公司 | Integrated balance suspension beam assembly |
| 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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Inventor after: Li Qiang Inventor after: Wang Yiming Inventor after: Zhao Shuang Inventor after: Han Zhengchen Inventor before: Li Qiang Inventor before: Wang Yiming Inventor before: Niu Xiushuang Inventor before: Zhao Shuang Inventor before: Han Zhengchen |