CN107415615B - Assembly method of V-shaped thrust rod assembly of heavy commercial vehicle - Google Patents
Assembly method of V-shaped thrust rod assembly of heavy commercial vehicle Download PDFInfo
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- CN107415615B CN107415615B CN201710629840.8A CN201710629840A CN107415615B CN 107415615 B CN107415615 B CN 107415615B CN 201710629840 A CN201710629840 A CN 201710629840A CN 107415615 B CN107415615 B CN 107415615B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G7/00—Pivoted suspension arms; Accessories thereof
- B60G7/005—Ball joints
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
- B60G2204/41—Elastic mounts, e.g. bushings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
- B60G2204/416—Ball or spherical joints
Abstract
The invention discloses a V-shaped thrust rod assembly of a heavy commercial vehicle and an assembly method thereof, wherein the V-shaped thrust rod assembly comprises a V-shaped end head assembly, a small end head assembly and a connecting rod; the V-shaped end head assembly comprises a V-end reinforced spherical hinge, a V-end spring retainer ring and a V-shaped end head; the small end head assembly comprises a small end spherical hinge, a small end spring retainer ring and a small end head; the assembling method of the V-shaped thrust rod assembly of the heavy commercial vehicle comprises the steps of connecting a V-shaped end head and a small end head together through a connecting rod by friction welding, and then assembling the V-shaped end head assembly and the small end head assembly to form the V-shaped thrust rod assembly of the heavy commercial vehicle; the V-shaped end spring retainer ring and the small-end spring retainer ring in the assembly method of the V-shaped thrust rod assembly of the heavy commercial vehicle are pressed into the clamping groove of the V-shaped end or the small-end through special pressing devices, and the special pressing devices consist of a guide mechanism, an upper pressing plate, a pressing head, a transition taper sleeve and a positioning seat. The technical scheme of the invention can reduce the weight of the V-shaped thrust rod by 10-15%, improve the fatigue resistance of the V-shaped thrust rod assembly of the heavy commercial vehicle and the power of the heavy commercial vehicle, prolong the service life of the thrust rod assembly, reduce the fuel consumption and reduce the exhaust pollution.
Description
Technical Field
The invention relates to the technical field of commercial vehicle accessories, in particular to a V-shaped thrust rod assembly of a heavy commercial vehicle, which is suitable for the heavy commercial vehicle with a heavy load and is used under severe road conditions, and an assembly method thereof.
Background
The V-shaped thrust rod assembly is used as a key force transmission component of a commercial vehicle suspension, and is mainly applied to keeping the axle position relatively fixed and used for transmitting longitudinal force or transverse force of the commercial vehicle. Meanwhile, forces and moments in other directions can be transferred, a certain motion relation between wheels and a vehicle body is ensured, and the V-shaped thrust rod is used as one of key parts of a vehicle suspension, so that the bearing capacity of the vehicle is obviously improved, and the transverse stability of the vehicle is greatly improved. The V-shaped thrust rod of the domestic existing heavy commercial vehicle mainly adopts a joint bearing type structure, and has the following defects: firstly, in the running process of a commercial vehicle, the V-shaped thrust rod assembly is subjected to continuous and alternating load action, especially the stress of an axle end is maximum, and in addition, the end of the knuckle bearing type thrust rod is poor in sealing, so that sediment is extremely easy to enter the end, abrasion is accelerated, the performance of the whole assembly is reduced, and the service life is greatly reduced. Secondly, when the heavy commercial vehicle is on off-highway road conditions, especially on severe road conditions such as open-air mines, large construction sites and the like, the vehicle driving road surface has poor softness and hardness, the surface road resistance coefficient is large, the operation intensity is high, the overload is serious, and the early failure of the V-shaped thrust rod is easy to cause. Thirdly, the traditional V-shaped thrust rod end rod part with the length of 80-90 mm is inserted into the connected steel pipes and then adopts a hot riveting method process, so that the weight of the V-shaped thrust rod assembly is increased.
Disclosure of Invention
The invention aims to provide a V-shaped thrust rod assembly of a heavy commercial vehicle and an assembly method thereof, which overcome the defects of the prior art, are safe and reliable, reduce the weight of the whole vehicle, lighten the weight of the V-shaped thrust rod by 10-15%, improve the fatigue resistance of the V-shaped thrust rod assembly of the heavy commercial vehicle and the power of the heavy commercial vehicle, prolong the service life of the thrust rod assembly, reduce the fuel consumption and reduce the exhaust pollution.
In order to achieve the purpose, the technical scheme of the V-shaped thrust rod assembly of the heavy commercial vehicle and the assembly method thereof is as follows: a V-shaped thrust rod assembly of a heavy commercial vehicle comprises a V-shaped end head assembly, a small end head assembly and a connecting rod; the method is characterized in that:
the V-shaped end head assembly and the small end head assembly are connected with the connecting rod through friction welding; the V-shaped end head assembly comprises a V-end reinforced spherical hinge, a V-end spring retainer ring and a V-shaped end head; the V-end reinforced spherical hinge is arranged in the V-shaped end head and consists of a V-end middle mandrel, a V-end elastomer and a V-end retainer, wherein the V-end middle mandrel, the V-end elastomer and the V-end retainer are integrally formed through vulcanization; the V-end elastic body is arranged in an inner hole of the V-shaped end head and is arranged around the V-end middle mandrel and used for transmitting moment, buffering and damping; the V-end guard rings are arranged on two sides of the V-end elastic body; the V-end spring retainer ring consists of three layers of spiral constant-section thin plates and is pressed into the clamping groove of the V-shaped end by pressure; the V-end middle mandrel runs in the V-shaped end and is realized by the deformation of the V-end elastomer, the V-end elastomer is stressed and not pulled when being radially pulled and pressed, and the axially compressed V-end elastomer is clamped by the V-end spring retainer ring after being axially compressed;
the small end head assembly comprises a small end spherical hinge, a small end spring retainer ring and a small end head; the small end spherical hinge is arranged in the small end head and consists of a small end middle mandrel, a small end elastomer and a small end retainer, and the small end middle mandrel, the small end elastomer and the small end retainer are integrally formed through vulcanization; the small-end elastic body is arranged in an inner hole of the small-end head, is arranged around the small-end middle mandrel, is made of natural rubber and is used for transmitting moment, buffering and damping; the small end guard rings are arranged on two sides of the small end elastomer; the small-end spring retainer ring is formed by three layers of spiral constant-section thin plates, the small-end spring retainer ring is pressed into the clamping groove of the small-end through pressure, the small-end middle mandrel runs in the small-end and is realized by deformation of the small-end elastic body, the small-end elastic body is stressed and is not pulled when being radially pulled and pressed, and the small-end elastic body is clamped by the small-end spring retainer ring after being axially compressed.
The assembly method of the V-shaped thrust rod assembly of the heavy commercial vehicle is characterized by comprising the following steps of:
step one: the V-shaped end head and the small end head are connected together through a connecting rod by friction welding;
step two: assembling the V-shaped end head assembly; the V-end middle mandrel, the V-end retainer and the V-end elastomer in the V-end reinforced spherical hinge are formed into a whole through vulcanization, the V-end spring retainer is pressed into a clamping groove of the V-end by a special pressing device, the V-end spring retainer is positioned and fastened, the V-end elastomer is tightly attached to the inner wall of the V-end middle mandrel through axial compression during pressing, the movement of the V-end middle mandrel relative to the inner hole of the V-end is realized by deformation of the V-end elastomer, the V-end elastomer is stressed and is not stressed during radial tension pressing, the axially compressed V-end elastomer is clamped by the V-end spring retainer after axial compression, and the internal stress generated in the pressing process is gradually released after the pressing is finished, so that the structure compression is large, the V-end reinforced spherical hinge is high in rigidity, strong in bearing capacity and long in service life, particularly strong in axial bearing capacity, and the weight is reduced by 10-15% compared with the traditional V-shaped thrust rod;
step three: assembling the small end head assembly: the small end middle mandrel, the small end retainer and the small end elasticity in the small end spherical hinge are formed into a whole through vulcanization, the small end spring retainer is pressed into a clamping groove of the small end head through a special pressing device, the small end spring retainer is positioned and fastened, the small end elastic body is tightly attached to the inner wall of the small end middle mandrel through axial compression during pressing, the movement of the small end middle mandrel relative to the inner hole of the small end head is realized by deformation of the small end elastic body, the small end elastic body is stressed and not stressed when being radially pulled and pressed, the small end elastic body is axially compressed and clamped by the small end spring retainer, the internal stress generated in the pressing process is gradually released after the pressing, at the moment, the structural compression amount is large, the small end spherical hinge has high rigidity, strong bearing capacity and long service life, and particularly the axial bearing capacity is reduced by 10-15% compared with the traditional V-shaped thrust rod;
the special pressing device in the assembly method of the V-shaped thrust rod assembly of the heavy commercial vehicle consists of a guide mechanism, an upper pressing plate, a pressing head, a transition taper sleeve and a positioning seat; the upper pressing plate is connected with the guide mechanism, the upper end of the pressing head is fixedly connected with the upper pressing plate through a pressing head connecting block, and the lower end of the pressing head is connected with the transition taper sleeve through a spring guide mechanism; the spring guide mechanism consists of a left guide column, a right guide column and springs arranged on the left guide column and the right guide column, wherein the upper ends of the left guide column and the right guide column are connected with the pressure head connecting block, the lower ends of the left guide column and the right guide column are connected with the transition taper sleeve, and the springs are arranged on the left guide column and the right guide column between the pressure head connecting block and the transition taper sleeve; the positioning seat is fixedly arranged on the bottom plate; during assembly, the V-shaped reinforced spherical hinge or the small-end spherical hinge is respectively placed into an inner hole of the V-shaped end head or the small-end head, the flat square of the V-shaped reinforced spherical hinge or the small-end spherical hinge is placed into a positioning seat of the special pressing device, the V-shaped spring retainer ring or the small-end spring retainer ring is placed into a transition taper sleeve of the special pressing device, the special pressing device is started, an upper pressing plate and a pressing head move downwards, the pressing head gradually contracts the V-shaped spring retainer ring or the small-end spring retainer ring to the inner hole size of the V-shaped end head or the small-end head along the transition taper sleeve, and the pressing head continues to move downwards, and when the V-shaped spring retainer ring or the small-end spring retainer ring is respectively pressed to a clamping groove position of the V-shaped end head or the small-end head, the V-shaped spring retainer ring or the small-end spring retainer ring is respectively loaded into a clamping groove of the V-shaped end head or the small-end head through self elasticity.
In the technical scheme, the invention has the following beneficial effects: firstly, in the V-shaped thrust rod assembly of the heavy commercial vehicle and the assembly method thereof, a V-shaped end elastomer or a small-end elastomer and a middle mandrel of the V-shaped end or the small-end are respectively integrated with a V-shaped end retainer or a small-end retainer through vulcanization molding, a special pressing device is used for pressing the V-shaped end spring retainer or the small-end spring retainer into a clamping groove of the V-shaped end or the small-end, positioning and fastening are carried out, the V-shaped end or the small-end elastomer is tightly attached to the inner wall of the middle mandrel of the V-shaped end or the small-end through axial compression during the pressing, the movement of the middle mandrel of the V-shaped end or the small-end relative to the inner hole of the V-shaped end or the small-end is realized by the deformation of the V-shaped end elastomer or the small-end elastomer, the V-end elastic body or the small-end elastic body is stressed and not stressed when being radially pulled and pressed, the axially compressed V-end elastic body or the small-end elastic body is clamped by the V-end spring retainer ring or the small-end spring retainer ring after being axially compressed, and the internal stress generated in the press mounting process is gradually released after the press mounting is finished, at the moment, the structure compression amount is large, the rigidity of the V-end reinforced spherical hinge or the small-end spherical hinge is large, the bearing capacity is strong, the service life is long, particularly the axial bearing capacity is strong, the requirements on the strength and the service life of a heavy commercial vehicle, particularly under heavy load and severe road conditions are met, meanwhile, the weight of the whole vehicle is reduced, and the weight is reduced by 10-15% compared with that of a traditional V-shaped thrust rod; secondly, the V-end reinforced spherical hinge is formed by vulcanizing a V-end middle mandrel, a V-end elastomer and a V-end retainer into a whole; the small-end spherical hinge is formed by vulcanizing a small-end middle mandrel, a small-end elastomer and a small-end retainer into a whole, the V-end elastomer and the small-end elastomer are made of high-strength natural rubber, the high tensile strength and the high elongation are achieved, the parameters of the pressing-in height of the spherical hinge and the diameter of the spherical pin are optimized through CAE analysis and fatigue test, and the axial permanent deformation of the V-end elastomer and the small-end elastomer are reasonably matched with the bearing capacity of the spherical hinge; thirdly, because the spring retainer ring of the V-shaped thrust rod of the heavy commercial vehicle receives larger axial force and deflection force when the heavy load and the road condition are severe, the common opening spring retainer ring is easy to collapse and fall off in the running process due to uneven stress distribution, so that the V-shaped thrust rod assembly is in early failure. The V-shaped end spring retainer ring and the small-end spring retainer ring are both composed of three layers of spiral constant-section thin plates, when the V-shaped end spring retainer ring and the small-end spring retainer ring are in an assembled state, the whole retainer ring is uniformly stressed along the circumferential direction, the bending stress is the same at each point on the circumference, under the condition of the same radial interference, the stress condition of the spiral retainer ring is better than that of the split retainer ring, the spiral retainer ring is not easy to generate plastic deformation, the limiting is reliable, the axial force resistance is strong, and the fatigue strength and the service life of a V-shaped thrust rod assembly of a heavy commercial vehicle are improved; fourth, the invention improves the power of the heavy commercial vehicle, reduces the fuel consumption and reduces the exhaust pollution.
Drawings
FIG. 1 is a schematic view of a V-shaped thrust rod assembly for a heavy commercial vehicle according to the present invention;
FIG. 2 is a schematic view of the structure of a V-end reinforced ball joint in a V-shaped thrust rod assembly of a heavy commercial vehicle;
FIG. 3 is a schematic structural view of a small-end spherical hinge in a V-shaped thrust rod assembly of a heavy commercial vehicle;
FIG. 4 is a schematic view of a press-in device dedicated to the assembly method of a V-shaped thrust rod assembly for a heavy commercial vehicle according to the present invention;
FIG. 5 is a schematic view of the spring guide mechanism of the dedicated press-in device of FIG. 4;
FIG. 6 is a schematic view of the structure of a V-end circlip in a V-shaped thrust rod assembly of a heavy commercial vehicle according to the present invention;
fig. 7 is a right side view of fig. 6.
Detailed Description
The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and the embodiments are only a part of the present invention, and all other inventions obtained by those skilled in the art without making any creative effort based on the gist of the present invention are included in the protection scope of the present invention.
As shown in fig. 1 to 7, a V-shaped thrust rod assembly for a heavy-duty commercial vehicle of this embodiment includes a V-shaped head assembly, a small-end head assembly, and a connecting rod 1, both of which are connected together by friction welding with the connecting rod 1.
As can be seen from fig. 1 and 2, the V-shaped end head assembly of this embodiment includes a V-end reinforced ball joint 2, a V-end circlip 3, and a V-shaped end head 4. The V-end reinforced spherical hinge 2 is arranged in the V-shaped end 4 and consists of a V-end middle mandrel 21, a V-end elastomer 22 and a V-end retainer 23, wherein the V-end middle mandrel 21, the V-end elastomer 22 and the V-end retainer 23 are integrally formed through vulcanization; the V-end elastic body 22 is installed in the inner hole of the V-end head 4, and is disposed around the V-end intermediate mandrel 21, and the V-end elastic body 22 of this embodiment is made of rubber, reinforcing agent, supplement agent, etc. for transmitting moment, buffering, and damping. The V-end retainers 23 are provided on both sides of the V-end elastic body 22. As can be seen from fig. 6 and 7, the V-end spring retainer ring 3 is composed of three layers of spiral constant-section thin plates. During press fitting, the V-shaped end head 4 is pressed into the clamping groove by a special pressing device. The V-end intermediate mandrel 21 in this embodiment is implemented by the deformation of the V-end elastic body 22 during the operation of the V-end 4, and when the V-end elastic body 22 is radially pulled and pressed, the V-end elastic body 22 is compressed and not pulled, and after the axial compression, the V-end elastic body 22 is clamped by the V-end spring retainer ring 3.
As can be seen from fig. 1 and 3, the small end head assembly of the present embodiment includes a small spherical hinge 5, a small spring retainer ring 6 and a small end head 7. The small end spherical hinge 5 of the embodiment is installed in the small end 7, and is composed of a small end middle mandrel 51, a small end elastic body 52 and a small end guard ring 53, and the small end middle mandrel 51, the small end elastic body 52 and the small end guard ring 53 are integrally formed through vulcanization. The small end elastic body 52 is arranged in the inner hole of the small end head 7 and around the small end middle mandrel 51, and the small end elastic body 52 of the embodiment is made of rubber, reinforcing agent, supplement agent and the like and is used for transmitting moment, buffering and damping; the small end retainers 53 are disposed on both sides of the small end elastic body 52. The small end spring retainer 6 of this embodiment is composed of three layers of spiral constant section thin plates 61, the structure of the small end spring retainer 6 is the same as that of the V-end spring retainer 3 in fig. 6 and 7 in this embodiment, during press fitting, the small end middle mandrel 51 is pressed into the clamping groove of the small end head 7 by a special pressing device, the small end elastic body 52 is deformed by the small end elastic body 52 during radial pulling and pressing, the small end elastic body 52 is stressed without being pulled, and the small end elastic body 52 is clamped by the small end spring retainer 6 after being axially compressed.
The assembly method of the V-shaped thrust rod assembly of the heavy commercial vehicle is characterized by comprising the following steps of:
step one: the V-shaped end head 4 and the small end head 7 are connected together through the connecting rod 1 by friction welding;
step two: assembling the V-shaped end head assembly; the V-end middle mandrel 21, the V-end elastic body 22 and the V-end retainer 23 in the V-end reinforced spherical hinge 2 are formed into a whole through vulcanization, the V-end spring retainer 3 is pressed into a clamping groove of the V-end 4 by a special pressing device, the V-end spring retainer 3 is positioned and fastened, the V-end elastic body 22 is tightly attached to the inner wall of the V-end middle mandrel 21 through axial compression during pressing, the movement of the V-end middle mandrel 21 relative to the inner hole of the V-end 4 is realized by deformation of the V-end elastic body 22, the V-end elastic body 22 is stressed and is not pulled during radial pulling and pressing, the V-end elastic body 22 is clamped by the V-end spring retainer 3 after the axial compression, the internal stress generated in the pressing process is gradually released after the pressing is finished, at the moment, the structural compression amount is large, the V-end reinforced spherical hinge 2 has high rigidity, high bearing capacity and long service life, particularly has high axial bearing capacity, and weight is reduced by 10 to 15% compared with the traditional V-shaped thrust rod;
step three: assembling the small end head assembly: the small-end middle mandrel 51, the small-end elastomer 52 and the small-end retainer 53 in the small-end spherical hinge 5 are formed into a whole through vulcanization; the small end spring retainer ring 6 is pressed into the clamping groove of the small end head 7 by a special pressing device to position and fasten the small end spring retainer ring, the small end elastic body 52 is tightly attached to the inner wall of the small end middle mandrel 51 by axial compression during pressing, the movement of the small end middle mandrel 51 relative to the inner hole of the small end head 7 is realized by deformation of the small end elastic body 52, the small end elastic body 52 is stressed and not stressed by tension during radial pulling and pressing, the small end elastic body 52 is clamped by the small end spring retainer ring 6 after the axial compression, the internal stress generated in the pressing process is gradually released after the pressing is finished, at the moment, the structural compression is large, the rigidity of the small end spherical hinge 5 is large, the bearing capacity is strong, the service life is long, especially the axial bearing capacity is strong, and the weight is reduced by 10-15% compared with the traditional V-shaped thrust rod.
As can be seen from fig. 4 and 5, the special pressing device in the assembly method of the V-shaped thrust rod assembly of the heavy-duty commercial vehicle in this embodiment is composed of a guiding mechanism 8, an upper pressing plate 9, a pressing head 10, a transition taper sleeve 11 and a positioning seat 12. The upper pressing plate 9 of the embodiment is connected with the guide mechanism 8, the upper end of the pressing head 10 is fixedly connected with the upper pressing plate 9 through a pressing head connecting block 13 through a bolt, and the lower end of the pressing head 10 is connected with the transition taper sleeve 11 through a spring guide mechanism 14. The spring guide mechanism 14 of this embodiment is composed of left and right guide posts 15 and springs 16 mounted on the left and right guide posts 15, the upper ends of the left and right guide posts 15 are connected with the ram connecting block 13, the lower ends are connected with the transition taper sleeve 11, and the springs 16 are mounted on the left and right guide posts 15 between the ram connecting block 13 and the transition taper sleeve 11. The positioning seat 12 is fixedly arranged on the bottom plate 17. When the V-shaped end spring retainer 3 or the small-end spring retainer 6 is assembled, the V-shaped end reinforced spherical hinge 2 or the small-end spherical hinge 5 is respectively placed into the inner hole of the V-shaped end 4 or the small-end 7, the flat square of the V-shaped end reinforced spherical hinge 2 or the small-end spherical hinge 5 is placed into the positioning seat 12 of the special pressing device, the V-shaped end spring retainer 3 or the small-end spring retainer 6 is placed into the transition taper sleeve 11 of the special pressing device, the special pressing device is started, the upper pressing plate 9 and the pressing head 10 move downwards, the pressing head 10 gradually contracts the V-shaped end spring retainer 3 or the small-end spring retainer 6 to the inner hole size of the V-shaped end 4 or the small-end 7 along the transition taper sleeve 11, and when the pressing head 10 continues to move downwards, the V-shaped end spring retainer 3 or the small-end spring retainer 6 is respectively pressed into the clamping groove position of the V-shaped end 4 or the small-end 7, and the V-shaped end spring retainer 3 or the small-end spring retainer 6 is respectively loaded into the clamping groove of the V-shaped end 4 or the small-end 7 through self elastic force.
In the embodiment, the V-end middle mandrel, the V-end elastic body and the V-end retainer in the V-end reinforced type spherical hinge and the small-end middle mandrel, the small-end elastic body and the small-end retainer in the small-end spherical hinge are formed into a whole through vulcanization respectively, the V-end spring retainer or the small-end spring retainer is pressed into a clamping groove of the V-shaped end or the small-end by a special pressing device, the V-end spring retainer or the small-end spring retainer is positioned and fastened, the V-end or the small-end elastic body is tightly attached to the inner wall of the V-end or the small-end middle mandrel through axial compression during pressing, the V-end or the small-end middle mandrel is deformed by the V-end elastic body or the small-end elastic body relative to the movement of an inner hole of the V-shaped end or the small-end, the V-end elastic body is stressed and is not stressed when the V-end elastic body or the small-end elastic body is radially pulled, the V-end elastic body or the small-end elastic body is axially compressed, the V-end spring retainer or the small-end elastic body is used after being axially compressed, the internal stress generated in the pressing process is gradually released after the pressing process, at the time, the structural compression amount is large, the V-end reinforced type spherical hinge or the small-end elastic body is tightly pressed, the bearing capacity is high, the bearing capacity and the bearing capacity is especially the heavy load, the weight is especially, the heavy load and the weight is reduced, and the bearing capacity is 10 is especially, and the heavy, and the weight is 15 weight and the weight is required, and weight is especially, and weight is 15. The V-shaped end spring retainer ring and the small-end spring retainer ring of the embodiment are formed by three layers of spiral constant-section thin plates, when the V-shaped end spring retainer ring and the small-end spring retainer ring are in an assembled state, the whole retainer ring is uniformly stressed along the circumferential direction, bending stress is the same at each point on the circumference, under the condition of the same radial interference magnitude, the spiral retainer ring is better than the split retainer ring in stress condition, plastic deformation is not easy to generate, the limit is reliable, the axial force resistance is high, the fatigue strength of the V-shaped thrust rod assembly of the heavy commercial vehicle and the power of the heavy commercial vehicle are improved, the service life of the heavy commercial vehicle is prolonged, the weight is improved, the fuel consumption is reduced, and the exhaust pollution is reduced.
The foregoing is merely an embodiment of the present invention, and the present invention is not limited thereto, and any simple modification, variation and equivalent method of the foregoing embodiment according to the technical matter of the present invention still falls within the scope of the technical solution of the present invention.
Claims (1)
1. The utility model provides an assembly method of heavy commercial car V type distance rod assembly, includes V type end subassembly, tip subassembly and connecting rod (1), its characterized in that:
the V-shaped end head assembly and the small end head assembly are connected with the connecting rod (1) through friction welding; the V-shaped end head assembly comprises a V-end reinforced spherical hinge (2), a V-end spring retainer ring (3) and a V-shaped end head (4); the V-end reinforced spherical hinge (2) is arranged in the V-shaped end head (4) and consists of a V-end middle mandrel (21), a V-end elastomer (22) and a V-end retainer (23), wherein the V-end middle mandrel (21), the V-end elastomer (22) and the V-end retainer (23) are integrally formed through vulcanization; the V-end elastic body (22) is arranged in an inner hole of the V-shaped end head (4) and is arranged around the V-end middle mandrel (21) for transmitting moment, buffering and damping; the V-end guard ring (23) is arranged at two sides of the V-end elastic body (22); the V-end spring retainer ring (3) consists of three layers of spiral constant-section thin plates and is pressed into the clamping groove of the V-shaped end head (4) through pressure; the V-end middle mandrel (21) runs in the V-shaped end (4) by deformation of the V-end elastomer (22), the V-end elastomer (22) is stressed but not pulled when being radially pulled and pressed, and the axially compressed V-end elastomer (22) is clamped by the V-end spring retainer ring (3) after being axially compressed;
the small end head assembly comprises a small end spherical hinge (5), a small end spring retainer ring (6) and a small end head (7); the small end spherical hinge (5) is arranged in the small end head (7) and consists of a small end middle mandrel (51), a small end elastomer (52) and a small end guard ring (53),
the small-end middle mandrel (51), the small-end elastomer (52) and the small-end retainer (53) are integrally formed through vulcanization; the small-end elastic body (52) is arranged in an inner hole of the small-end head (7), is arranged around the small-end middle mandrel (51), is made of natural rubber and is used for transmitting moment, buffering and damping; the small end guard rings (53) are arranged on two sides of the small end elastic body (52); the small end spring retainer ring (6) is formed by three layers of spiral constant-section thin plates, the small end spring retainer ring is pressed into a clamping groove of the small end head (7) through pressure, the small end middle mandrel (51) runs in the small end head (7) and is realized by deformation of the small end elastic body (52), the small end elastic body (52) is stressed and not pulled when being radially pulled and pressed, and the small end elastic body (52) is clamped by the small end spring retainer ring (6) after being axially compressed，
The assembling method of the V-shaped thrust rod assembly of the heavy commercial vehicle comprises the following steps of:
step one: the V-shaped end head (4) and the small end head (7) are connected together through a connecting rod (1) by friction welding;
step two: assembling the V-shaped end head assembly; the V-end middle mandrel (21), the V-end retainer (23) and the V-end elastic body (22) in the V-end reinforced spherical hinge (2) are formed into a whole through vulcanization, the V-end spring retainer (3) is pressed into a clamping groove of the V-end head (4) by a special pressing device to position and fasten the V-end spring retainer, the V-end elastic body (22) is tightly attached to the inner wall of the V-end middle mandrel (21) through axial compression during pressing, the movement of the V-end middle mandrel (21) relative to the inner hole of the V-end head (4) is realized by deformation of the V-end elastic body (22), the V-end elastic body (22) is stressed and is not pulled during radial tension, the V-end spring retainer (3) is used for clamping after the V-end spring retainer (22) is axially compressed, and internal stress generated during the pressing process is gradually released after the pressing is finished;
step three: assembling the small end head assembly: the small end middle core shaft (51), the small end elastomer (52) and the small end guard ring (53) in the small end spherical hinge (5) are formed into a whole through vulcanization; the small end spring retainer ring (6) is pressed into the clamping groove of the small end head (7) by a special pressing device, the small end spring retainer ring is positioned and fastened, the small end spring retainer ring (52) is tightly attached to the inner wall of the small end middle mandrel (51) through axial compression during pressing, the movement of the small end middle mandrel (51) relative to the inner hole of the small end head (7) is realized by deformation of the small end spring retainer ring (52), the small end spring retainer ring (52) is stressed and not stressed when being radially pulled and pressed, the small end spring retainer ring (6) is used for clamping after the small end spring retainer ring (52) is axially compressed, and the internal stress generated in the pressing process is gradually released after the pressing is finished;
the special pressing device in the assembly method of the V-shaped thrust rod assembly of the heavy commercial vehicle consists of a guide mechanism (8), an upper pressing plate (9), a pressing head (10), a transition taper sleeve (11) and a positioning seat (12); the upper pressing plate (9) is connected with the guide mechanism (8), the upper end of the pressing head (10) is fixedly connected with the upper pressing plate (9) through a pressing head connecting block (13), and the lower end of the pressing head (10) is connected with the transition taper sleeve (11) through a spring guide mechanism (14); the spring guide mechanism (14) consists of a left guide column (15) and a right guide column (16) and a spring (16) arranged on the left guide column and the right guide column (15), wherein the upper end of the left guide column and the right guide column (15) are connected with the pressure head connecting block (13), the lower end of the left guide column and the right guide column are connected with the transition taper sleeve (11), and the spring (16) is arranged on the left guide column and the right guide column (15) between the pressure head connecting block (13) and the transition taper sleeve (11); the positioning seat (12) is fixedly arranged on the bottom plate (17); during assembly, the V-shaped end reinforced spherical hinge (2) or the small-end spherical hinge (5) is respectively placed into the inner hole of the V-shaped end head (4) or the small-end head (7), the flat square of the V-shaped end reinforced spherical hinge (2) or the small-end spherical hinge (5) is placed into the positioning seat (12) of the special pressing device, the V-shaped end spring retainer ring (3) and the small-end spring retainer ring (6) are placed into the transition taper sleeve (11) of the special pressing device, the special pressing device is started, the upper pressing plate (9) and the pressing head (10) move downwards, the pressing head (10) gradually contracts the V-shaped end spring retainer ring (3) or the small-end spring retainer ring (6) to the inner hole of the V-shaped end head (4) or the small-end head (7) along the transition taper sleeve (11), the pressing head (10) continues to move downwards, and the V-shaped end spring retainer ring (3) or the small-end spring retainer ring (6) is respectively pressed into the clamping groove position of the V-shaped end head (4) or the small-end head (7), and the V-shaped end spring retainer ring (3) or the small-end spring retainer ring (6) is respectively loaded into the V-shaped end (4) through the clamping groove (7).
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| CN111907277A (en) * | 2020-07-20 | 2020-11-10 | 东风商用车有限公司 | Manufacturing method of straight thrust rod and straight thrust rod |
| CN113385909A (en) * | 2021-06-04 | 2021-09-14 | 东风柳州汽车有限公司 | Manipulator for assembling V-shaped thrust rod |
| CN114683025A (en) * | 2022-04-20 | 2022-07-01 | 安庆汇通汽车部件股份有限公司 | Thrust rod spiral retainer ring press-fitting device and press-fitting method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203410262U (en) * | 2013-08-01 | 2014-01-29 | 吉林大学 | Propelling rod assembly of commercial vehicle |
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| DE102009049231B4 (en) * | 2009-10-13 | 2019-01-24 | Anvis Deutschland Gmbh | Elastic bearing, assembly and method for fixing an elongate fastening component |
| CN203864370U (en) * | 2014-06-03 | 2014-10-08 | 安庆市汇通汽车部件有限公司 | Rubber spherical hinge type V-shaped flange plate thrust rod assembly |
| CN204451892U (en) * | 2015-02-25 | 2015-07-08 | 浙江雅博汽配有限公司 | A kind of heavy motor vehicle rear suspension V-type distance rod assembly |
| CN105882344A (en) * | 2016-06-30 | 2016-08-24 | 吉林大学 | V-shaped thrust rod assembly |
| CN207241335U (en) * | 2017-07-28 | 2018-04-17 | 安庆市汇通汽车部件有限公司 | A kind of heavy-duty commercial vehicle V-type distance rod assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203410262U (en) * | 2013-08-01 | 2014-01-29 | 吉林大学 | Propelling rod assembly of commercial vehicle |
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Address after: 231400 Tongxiang Road, Tongcheng economic and Technological Development Zone, Anqing City, Anhui Province (anqing Huitong Auto Parts Co., Ltd.) Applicant after: Anqing Huitong Auto Parts Co.,Ltd. Address before: 231400, Anhui Tongcheng economic and Technological Development Zone, Anqing Xiang Road Applicant before: ANQING HUITONG AUTOMOTIVE PARTS CO.,LTD. |
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