CN209920950U - Axle housing assembly of commercial car spindle nose and axle housing body butt welding structure - Google Patents

Axle housing assembly of commercial car spindle nose and axle housing body butt welding structure Download PDF

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Publication number
CN209920950U
CN209920950U CN201920408182.4U CN201920408182U CN209920950U CN 209920950 U CN209920950 U CN 209920950U CN 201920408182 U CN201920408182 U CN 201920408182U CN 209920950 U CN209920950 U CN 209920950U
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China
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axle housing
housing body
spindle nose
reaction rod
axle
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CN201920408182.4U
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何昆健
王亮
朱希健
胡晓
梁银银
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FAW Jiefang Automotive Co Ltd
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FAW Jiefang Automotive Co Ltd
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Abstract

The utility model relates to an axle housing assembly of commercial car spindle nose and axle housing body butt welding structure, including axle housing body and spindle nose, the spindle nose setting is respectively one at the left end and the right-hand member of axle housing body, and the axle housing body adopts local cross-section to become wall thickness lightweight design, support and back lid and the integrated design of axle housing body in an organic whole, and use material is few, and bearing capacity is strong, and the material adopts nodular cast iron, malleable cast iron or cast steel, and the low price is about 22%, and weight reduction is about 13%; the axle housing body and the axle head adopt a carbon dioxide gas shielded welding process, so that the requirement on equipment is not high, the machining investment cost is low, and the manufacturing and processing are convenient; the axle housing body adopts a casting process, the strength is high, the design safety factor reaches more than 1.7, and the use requirements of the dump truck under various working conditions can be met.

Description

Axle housing assembly of commercial car spindle nose and axle housing body butt welding structure
Technical Field
The utility model relates to a commercial car transaxle spindle nose and axle housing body butt welding structure's axle housing assembly belongs to the transaxle technical field in the automobile manufacturing industry.
Background
The domestic dump truck has the characteristics of heavy load, severe working environment, high attendance rate and the like, so the selected drive axle housing assembly has the characteristics of strong bearing capacity and long service life. The cast steel axle housing can be manufactured into a complex ideal shape due to the specific manufacturing process, can obtain ideal stress distribution, and has high strength and rigidity, and meanwhile, the cast axle housing is low in price and high in cost performance, so that 85 percent of domestic dump trucks adopt the cast axle housing.
The punching-welding axle housing of thick steel plate punching press butt welding is mostly used in present production axle housing, and punching-welding axle housing light in weight low price pulls, the van generally uses, but punching-welding axle housing is used for the tipper bearing capacity obviously not enough.
The utility model discloses what mainly introduce is used for the lightweight tipper to can assemble the axle housing assembly of a spindle nose and axle housing body butt welding structure of wheel house differential lock.
Disclosure of Invention
The utility model aims at providing a novel axle housing assembly of commercial vehicle spindle nose and axle housing body butt welding structure adopts local cross-section to become wall thickness lightweight design, support and hou gai and axle housing body integration in the holistic design of an organic whole, reaches under the prerequisite of guaranteeing product performance and falls heavy, fall cost, the advanced purpose of structure.
In order to solve the technical problem, the utility model discloses an adopt following technical scheme to realize:
the utility model provides a commercial car spindle nose and axle housing body butt welding structure's axle housing assembly which characterized in that: including axle housing body 1 and spindle nose, the spindle nose sets up respectively one at the left end and the right-hand member of axle housing body.
The axle head and the axle housing body are connected into a whole through a welding process.
The welding process of the shaft head and the axle housing body is carbon dioxide gas shielded welding; the welding process is divided into three circles of welding, the welding current of the first circle is (280-320) A, the welding voltage is (29-32) V, and the welding speed is 100 degrees per minute; the welding current of the second circle is (330-370) A, the welding voltage is (33-37) V, and the welding speed is 90 degrees per minute; the welding current of the third circle is (310-350) A, the welding voltage is (32-34) V, and the welding speed is 100 degrees per minute; during welding, the shaft head is covered by a special protective cover to prevent welding spatters from falling onto the shaft head; before each welding, the molten ball must be cut off, and whether the welding gun is aligned with the middle position of the welding seam or not is checked.
The weld penetration of the spindle nose and the axle housing body is not less than 1mm, and welding defects such as air holes and undercut are avoided.
The upper part of the middle of the axle housing body is provided with a reaction rod upper support; the rear part of the middle of the axle housing body is provided with an axle housing rear cover; the lower ends of the middle parts of the left side and the right side of the axle housing body are respectively provided with a left reaction rod lower support and a right reaction rod lower support; the upper ends of the middle parts of the left side and the right side of the axle housing body are respectively provided with a left steel plate spring bracket base and a right steel plate spring bracket base; the left end and the right end of the axle housing body are both provided with a braking flange; the main reducer assembly mounting surface is arranged at the front end of the middle of the axle housing body; four differential bearing cover mounting seats are arranged in the middle of the axle housing body and close to the inner side of the rear cover; four air chamber bracket mounting bases are arranged on the middle parts of the left side and the right side of the axle housing body and on the rear end face; shaft head reinforcing rings are arranged at the left end and the right end of the axle housing body along the outer sides of the diameter direction; the differential lock mounting groove is formed in the front end face of the middle of the axle housing body close to the left side; driven bevel gear mounting grooves are formed in the front end face of the middle of the axle housing body close to the upper end and the lower end; a main reducer assembly connecting bolt mounting hole is formed in the front end face of the middle of the axle housing body; a vent plug mounting hole is formed in the middle of the axle housing body close to the outer side of the upper edge of the right side; the oil drain bolt mounting hole is formed in the lower end face of the middle of the axle housing body.
The reaction pole upper bracket, the axle housing rear cover, the left reaction pole lower bracket, the right reaction pole lower bracket, the left steel plate spring bracket base, the right steel plate spring bracket base, the brake flange, the differential bearing cover mounting seat, the air chamber bracket mounting base and the axle housing body are integrally cast.
The upper reaction rod support is composed of two small claws which extend upwards and are divided into a left side and a right side, the upper parts of the two small claws are provided with upper reaction rod support connecting bolt mounting holes, and the lower parts of the two small claws are provided with upper reaction rod support lightening grooves; the left lower reaction rod support and the right lower reaction rod support are both composed of two small claws which extend downwards and are divided into a left side and a right side, the lower parts of the two small claws are provided with lower reaction rod support connecting bolt mounting holes, and the upper parts of the two small claws are respectively provided with a left lower reaction rod support lightening groove and a right lower reaction rod support lightening groove; four steel plate spring bracket connecting bolt inner threaded holes are formed in the peripheries of the left steel plate spring bracket base and the right steel plate spring bracket base, and a steel plate spring bracket positioning pin hole is formed in the middle of the left steel plate spring bracket base and the right steel plate spring bracket base; and a brake bottom plate connecting threaded hole is formed in the brake flange.
The current situation of the axle housing rear cover is that the middle of the axle housing rear cover is convex backwards, and the two sides of the axle housing rear cover are concave forwards, and the axle housing rear cover is similar to a reversed 'convex' shape.
The wall thickness of the axle housing rear cover is (10-16) mm.
The wall thicknesses of the front and rear longitudinal sections on the left and right sides of the axle housing body are uniformly and gradually changed from the middle (10-16) mm to the left and right ends (18-22) mm; the wall thicknesses of the upper cross section and the lower cross section of the left side and the right side of the axle housing body are evenly gradually changed to (20-25) mm from the middle part (10-16) mm to the left side and the right side.
The shaft head is formed by hot extrusion of a quenched and tempered steel pipe; the spindle head is sequentially provided with spindle head nut external threads, a hub outer bearing mounting surface, a hub inner bearing mounting surface and an oil seal seat ring mounting surface from left to right along the outer side of the diameter direction, the diameter of the spindle head nut external threads is smaller than that of the hub outer bearing mounting surface, the diameter of the hub outer bearing mounting surface is smaller than that of the hub inner bearing mounting surface, and the diameter of the hub inner bearing mounting surface is smaller than that of the oil seal seat ring mounting surface; a spindle nose nut locking plate clamping groove is formed above the left end of the spindle nose and between the external thread of the spindle nose nut and the mounting surface of the external bearing of the hub; the shaft head is provided with a half shaft through hole along the inner side of the diameter direction; axle housing body spindle nose reinforcing ring mating holes that what spindle nose right-hand member set up along diameter direction inboard.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the cost performance is high: the axle housing body adopts the integrated design of local cross-section variable wall thickness lightweight design, support and rear cover and axle housing body in an organic whole, and the use material is few, and intensity is big, bearing capacity is strong, and the material can adopt nodular cast iron, malleable cast iron or cast steel etc. compares about 22% of the low price of cast axle housing of same level, and weight reduction is about 13%, is the cast axle housing structure of a section price/performance ratio superelevation.
2. The manufacture and processing are convenient: the axle housing body and the axle head adopt a carbon dioxide gas shielded welding process, the process is mature, the welding is convenient, the equipment requirement is not high, common manufacturers can both meet the processing requirement, the machining input cost is low, and the manufacturing and processing are convenient.
3. The strength is ensured: parts such as axle housing back cover, reaction pole upper bracket, reaction pole lower carriage, braking flange form with the whole casting of axle housing body, can avoid axle housing back cover, reaction pole upper bracket lower carriage to open welding oil leakage risk completely, because the axle housing body adopts the casting process, design factor of safety is big, and intensity is high, can satisfy the use of tipper under complicated operating mode completely.
Drawings
The invention will be further described with reference to the accompanying drawings:
FIG. 1 is a schematic structural view of an axle housing assembly of a novel butt welding structure of a commercial vehicle axle head and an axle housing body according to the present invention;
FIG. 2 is a schematic structural view of the axle housing body according to the present invention;
FIG. 3 is a cross-sectional view of a transverse cross-section of an axle housing body according to the present invention;
FIG. 4 is a longitudinal cross-sectional view of an axle housing body according to the present invention;
fig. 5 is a longitudinal sectional view of the spindle head according to the present invention;
in the figure, 1, an axle housing body, 1-1, an upper reaction rod support, 1-2, an axle housing rear cover, 1-3, a left lower reaction rod support, 1-4, a right lower reaction rod support, 1-5, a left steel plate spring support base, 1-6, a right steel plate spring support base, 1-7, a brake flange, 1-8, a main reducer assembly mounting surface, 1-9, a differential mechanism bearing cover mounting seat, 1-10, an air chamber support mounting base, 1-11, a shaft head reinforcing ring, 1-12, a differential lock mounting groove, 1-13, a driven bevel gear mounting groove, 1-14, a main reducer assembly connecting bolt mounting hole, 1-15, a vent plug mounting hole, 1-16, an oil drain bolt mounting hole, 1-17, an upper reaction rod support connecting bolt mounting hole, 1-18 parts of reaction rod upper support lightening grooves, 1-19 parts of reaction rod lower support connecting bolt mounting holes, 1-20 parts of left reaction rod lower support lightening grooves, 1-21 parts of right reaction rod lower support lightening grooves, 1-22 parts of steel plate spring support connecting bolt internal threaded holes, 1-23 parts of steel plate spring support positioning pin holes, 1-24 parts of brake bottom plate connecting threaded holes, 1-25 parts of axle housing body front and rear longitudinal sections, 1-26 parts of axle housing body upper and lower cross sections, 2 parts of axle heads, 2-1 parts of axle head nut external threads, 2-2 parts of wheel hub external bearing mounting surfaces, 2-3 parts of wheel hub internal bearing mounting surfaces, 2-4 parts of oil seal seat ring mounting surfaces, 2-5 parts of axle head nut locking plate clamping grooves, 2-6 parts of half shafts through holes and 2-7 parts of axle housing body axle head reinforcing ring matching holes.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings:
referring to fig. 1 to 5, an axle housing assembly of commercial vehicle spindle nose and axle housing body butt welding structure, includes axle housing body 1 and spindle nose 2, spindle nose 2 sets up respectively one at the left end and the right-hand member of axle housing body 1.
Referring to fig. 1, the spindle head 2 and the axle housing body 1 are connected into a whole through a welding process.
The welding process of the spindle nose 2 and the axle housing body 1 is carbon dioxide gas shielded welding; the welding process is divided into three circles of welding, the welding current of the first circle is (280-320) A, the welding voltage is (29-32) V, and the welding speed is 100 degrees per minute; the welding current of the second circle is (330-370) A, the welding voltage is (33-37) V, and the welding speed is 90 degrees per minute; the welding current of the third circle is (310-350) A, the welding voltage is (32-34) V, and the welding speed is 100 degrees per minute; during welding, the shaft head 2 is covered by a special protective cover to prevent welding spatters from falling onto the shaft head 2; before each welding, the molten ball must be cut off, and whether the welding gun is aligned with the middle position of the welding seam or not is checked.
The weld penetration of the spindle nose 2 and the axle housing body 1 should be not less than 1mm, and welding defects such as air holes and undercut should not be generated.
Referring to fig. 2, the upper middle part of the axle housing body 1 is provided with a reaction rod upper bracket 1-1; the rear part of the middle of the axle housing body 1 is provided with an axle housing rear cover 1-2; the lower ends of the middle parts of the left side and the right side of the axle housing body 1 are respectively provided with a left reaction rod lower support 1-3 and a right reaction rod lower support 1-4; the upper ends of the middle parts of the left side and the right side of the axle housing body 1 are respectively provided with a left steel plate spring bracket base 1-5 and a right steel plate spring bracket base 1-6; the left end and the right end of the axle housing body 1 are both provided with braking flanges 1-7; referring to fig. 3, a main reducer assembly mounting surface 1-8 is arranged at the front end of the middle of the axle housing body 1; four differential bearing cover mounting seats 1-9 are arranged in the middle of the axle housing body 1 and close to the inner side of the rear cover; four air chamber bracket mounting bases 1-10 are arranged on the middle part and the rear end face of the left side and the right side of the axle housing body 1; shaft head reinforcing rings 1-11 are arranged at the left end and the right end of the axle housing body 1 along the outer sides of the diameter direction; referring to fig. 4, the axle housing body 1 is provided with differential lock mounting grooves 1-12 near the left side of the front end face of the middle part; driven bevel gear mounting grooves 1-13 are formed in the front end face of the middle of the axle housing body 1 close to the upper end and the lower end; a main reducer assembly connecting bolt mounting hole 1-14 is formed in the front end face of the middle of the axle housing body 1; referring to fig. 2, a vent plug mounting hole 1-15 is formed in the middle of the axle housing body 1 near the right upper side outer side; referring to fig. 4, the axle housing body 1 is provided with a drain bolt mounting hole 1-16 on the lower end surface of the middle portion.
The reaction rod upper support 1-1, the axle housing rear cover 1-2, the left reaction rod lower support 1-3, the right reaction rod lower support 1-4, the left steel plate spring support base 1-5, the right steel plate spring support base 1-6, the brake flange 1-7, the differential bearing cover mounting base 1-9, the air chamber support mounting base 1-10 and the axle housing body 1 are integrally cast.
Referring to fig. 2 and 4, the upper reaction rod bracket 1-1 consists of two small claws which extend upwards and are divided into a left side and a right side, the upper parts of the two small claws are provided with upper reaction rod bracket connecting bolt mounting holes 1-17, and the lower parts of the two small claws are provided with upper reaction rod bracket lightening grooves 1-18; the left reaction rod lower support 1-3 and the right reaction rod lower support 1-4 are composed of two small claws which extend downwards and are divided into a left side and a right side, the lower parts of the two small claws are respectively provided with a reaction rod lower support connecting bolt mounting hole 1-19, and the upper parts of the two small claws are respectively provided with a left reaction rod lower support lightening groove 1-20 and a right reaction rod lower support lightening groove 1-21; four steel plate spring support connecting bolt inner threaded holes 1-22 are formed in the peripheries of the left steel plate spring support base 1-5 and the right steel plate spring support base 1-6, and a steel plate spring support positioning pin hole 1-23 is formed in the middle of the left steel plate spring support base 1-5 and the right steel plate spring support base 1-6; and the brake flange 1-7 is provided with a brake bottom plate connecting threaded hole 1-24.
The axle housing rear cover 1-2 is convex in the middle and concave in the two sides, is similar to a reversed 'convex' shape, and is designed into a shape which can save 15% of gear oil for a bridge assembly, thereby achieving the advantages of reducing weight and cost and increasing income for users.
The wall thickness of the axle housing rear cover 1-2 is (10-16) mm.
Referring to fig. 3, the wall thickness of the front and rear longitudinal sections 1-25 of the axle housing body on the left and right sides of the axle housing body 1 is uniformly and gradually changed from the middle part (10-16) mm to the left and right ends (18-22) mm; referring to fig. 4, the wall thickness of the axle housing body upper and lower cross sections 1-26 on the left and right sides of the axle housing body 1 is uniformly and gradually changed from the middle part (10-16) mm to the left and right sides to (20-25) mm.
The shaft head 2 is formed by hot extrusion of a quenched and tempered steel pipe; the spindle nose 2 is sequentially provided with spindle nose nut external threads 2-1, a hub outer bearing mounting surface 2-2, a hub inner bearing mounting surface 2-3 and an oil seal seat ring mounting surface 2-4 from left to right along the outer side of the diameter direction, the diameter of the spindle nose nut external threads 2-1 is smaller than that of the hub outer bearing mounting surface 2-2, the diameter of the hub outer bearing mounting surface 2-2 is smaller than that of the hub inner bearing mounting surface 2-3, and the diameter of the hub inner bearing mounting surface 2-3 is smaller than that of the oil seal seat ring mounting surface 2-4; a spindle nose nut locking plate clamping groove 2-5 is arranged above the left end of the spindle nose 2 and between the spindle nose nut external thread 2-1 and the hub external bearing mounting surface 2-2; a half shaft through hole 2-6 is arranged on the inner side of the shaft head 2 along the diameter direction; and axle housing body axle head reinforcing ring matching holes 2-7 are formed in the right end of the axle head 2 along the inner side of the diameter direction.
The utility model provides a novel axle housing assembly of commercial vehicle spindle nose and axle housing body butt welding structure, its axle housing body adopts the lightweight design of local cross-section variable wall thickness, support and integrated into an organic whole of rear cover and axle housing body, uses few materials, and intensity is big, bearing capacity is strong, and the material can adopt nodular cast iron, malleable cast iron or cast steel etc. compare with same level casting axle housing low price about 22%, weight reduction about 13%, is a casting axle housing structure that the price/performance ratio is ultrahigh; the axle housing body and the axle head adopt a carbon dioxide gas shielded welding process, the process is mature, the welding is convenient, the equipment requirement is not high, common manufacturers can meet the processing requirement, the machining input cost is low, and the manufacturing and processing are convenient; parts such as axle housing back cover, reaction pole upper bracket, reaction pole lower carriage, braking flange form with the whole casting of axle housing body, can avoid axle housing back cover, reaction pole upper bracket and lower carriage to open welding oil leakage risk completely, because the axle housing body adopts the casting process, design factor of safety is big, and intensity is high, and design factor of safety all reaches more than 1.7, can satisfy the operation requirement under the various operating modes of tipper completely.

Claims (10)

1. The utility model provides a commercial car spindle nose and axle housing body butt welding structure's axle housing assembly which characterized in that: the axle housing comprises an axle housing body (1) and axle heads (2), wherein the axle heads (2) are arranged at the left end and the right end of the axle housing body (1) respectively; the axle head (2) and the axle housing body (1) are connected into a whole through a welding process.
2. The axle housing assembly of commercial vehicle spindle nose and axle housing body butt welding structure of claim 1, characterized in that: the welding process of the shaft head (2) and the axle housing body (1) is carbon dioxide gas shielded welding.
3. The axle housing assembly of commercial vehicle spindle nose and axle housing body butt welding structure of claim 2, characterized in that: the weld penetration of the shaft head (2) and the axle housing body (1) is not less than 1 mm.
4. The axle housing assembly of commercial vehicle spindle nose and axle housing body butt welding structure of claim 1, characterized in that: the upper middle part of the axle housing body (1) is provided with a reaction rod upper support (1-1); the rear part of the middle of the axle housing body (1) is provided with an axle housing rear cover (1-2); the lower ends of the middle parts of the left side and the right side of the axle housing body (1) are respectively provided with a left reaction rod lower support (1-3) and a right reaction rod lower support (1-4); the upper ends of the middle parts of the left side and the right side of the axle housing body (1) are respectively provided with a left steel plate spring support base (1-5) and a right steel plate spring support base (1-6); the left end and the right end of the axle housing body (1) are provided with braking flanges (1-7); a main reducer assembly mounting surface (1-8) is arranged at the front end of the middle of the axle housing body (1); four differential bearing cover mounting seats (1-9) are arranged in the middle of the axle housing body (1) and close to the inner side of the rear cover; four air chamber bracket mounting bases (1-10) are arranged on the middle parts of the left side and the right side of the axle housing body (1) and on the rear end face; shaft head reinforcing rings (1-11) are arranged at the outer sides of the left end and the right end of the axle housing body (1) along the diameter direction; a differential lock mounting groove (1-12) is formed in the front end face of the middle of the axle housing body (1) close to the left side; driven bevel gear mounting grooves (1-13) are formed in the front end face of the middle of the axle housing body (1) close to the upper end and the lower end; a main reducer assembly connecting bolt mounting hole (1-14) is formed in the front end face of the middle of the axle housing body (1); a vent plug mounting hole (1-15) is formed in the middle of the axle housing body (1) close to the outer side of the upper edge of the right side; an oil drainage bolt mounting hole (1-16) is formed in the lower end face of the middle of the axle housing body (1).
5. The axle housing assembly of commercial vehicle spindle nose and axle housing body butt welding structure of claim 4, characterized in that: the reaction rod upper support (1-1), the axle housing rear cover (1-2), the left reaction rod lower support (1-3), the right reaction rod lower support (1-4), the left steel plate spring support base (1-5), the right steel plate spring support base (1-6), the brake flange (1-7), the differential bearing cover mounting seat (1-9), the air chamber support mounting base (1-10) and the axle housing body (1) are integrally cast.
6. The axle housing assembly of commercial vehicle spindle nose and axle housing body butt welding structure of claim 4, characterized in that: the upper reaction rod support (1-1) consists of two small claws which extend upwards and are divided into a left side and a right side, the upper parts of the two small claws are provided with upper reaction rod support connecting bolt mounting holes (1-17), and the lower parts of the two small claws are provided with upper reaction rod support lightening grooves (1-18); the left reaction rod lower support (1-3) and the right reaction rod lower support (1-4) are composed of two small claws which extend downwards and are divided into a left side and a right side, the lower parts of the two small claws are provided with reaction rod lower support connecting bolt mounting holes (1-19), and the upper parts of the two small claws are respectively provided with a left reaction rod lower support weight reducing groove (1-20) and a right reaction rod lower support weight reducing groove (1-21); four steel plate spring support connecting bolt inner threaded holes (1-22) are formed in the peripheries of the left steel plate spring support base (1-5) and the right steel plate spring support base (1-6), and a steel plate spring support positioning pin hole (1-23) is formed in the middle of the left steel plate spring support base and the right steel plate spring support base; the brake flange (1-7) is provided with a brake bottom plate connecting threaded hole (1-24).
7. The axle housing assembly of commercial vehicle spindle nose and axle housing body butt welding structure of claim 4, characterized in that: the rear cover (1-2) of the axle housing is convex in the middle and concave in the two sides, and is similar to an inverted convex shape.
8. The axle housing assembly of commercial vehicle spindle nose and axle housing body butt welding structure of claim 4, characterized in that: the wall thickness of the axle housing rear cover (1-2) is 10-16 mm.
9. The axle housing assembly of commercial vehicle spindle nose and axle housing body butt welding structure of claim 1, characterized in that: the wall thickness of the front and rear longitudinal sections (1-25) of the axle housing body on the left side and the right side of the axle housing body (1) is 10-16 mm in the middle, and the wall thickness of the left end and the right end are uniformly and gradually changed to 18-22 mm; the wall thickness of the upper cross section (1-26) and the lower cross section (1-16) of the axle housing body on the left side and the right side of the axle housing body (1) is changed to 20-25 mm from 10-16 mm in the middle to the left side and the right side in a uniform gradual change mode.
10. The axle housing assembly of commercial vehicle spindle nose and axle housing body butt welding structure of claim 1, characterized in that: the shaft head (2) is formed by hot extrusion of a quenched and tempered steel pipe; the shaft head (2) is sequentially provided with a shaft head nut external thread (2-1), a hub outer bearing mounting surface (2-2), a hub inner bearing mounting surface (2-3) and an oil seal seat ring mounting surface (2-4) from left to right along the outer side of the diameter direction, the diameter of the shaft head nut external thread (2-1) is smaller than that of the hub outer bearing mounting surface (2-2), the diameter of the hub outer bearing mounting surface (2-2) is smaller than that of the hub inner bearing mounting surface (2-3), and the diameter of the hub inner bearing mounting surface (2-3) is smaller than that of the oil seal seat ring mounting surface (2-4); a spindle nose nut locking plate clamping groove (2-5) is arranged above the left end of the spindle nose (2) and between the spindle nose nut external thread (2-1) and the hub outer bearing mounting surface (2-2); a half shaft through hole (2-6) is formed in the inner side of the shaft head (2) in the diameter direction; axle housing body spindle nose reinforcing ring mating holes (2-7) are arranged at the right end of the spindle nose (2) along the inner side of the diameter direction.
CN201920408182.4U 2019-03-28 2019-03-28 Axle housing assembly of commercial car spindle nose and axle housing body butt welding structure Active CN209920950U (en)

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Application Number Priority Date Filing Date Title
CN201920408182.4U CN209920950U (en) 2019-03-28 2019-03-28 Axle housing assembly of commercial car spindle nose and axle housing body butt welding structure

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Application Number Priority Date Filing Date Title
CN201920408182.4U CN209920950U (en) 2019-03-28 2019-03-28 Axle housing assembly of commercial car spindle nose and axle housing body butt welding structure

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109823120A (en) * 2019-03-28 2019-05-31 一汽解放汽车有限公司 A kind of axle case assy of commercialization axle head and axle housing butt welding structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109823120A (en) * 2019-03-28 2019-05-31 一汽解放汽车有限公司 A kind of axle case assy of commercialization axle head and axle housing butt welding structure

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