Axle housing assembly with integral casting structure

Abstract

The present invention discloses a bridge housing assembly of an integral casting structure, comprising a bridge housing body, wherein shaft heads are fixedly provided on the outer surfaces of both ends of the bridge housing body, and fixing rings are fixedly provided on the outer surfaces of both ends of the bridge housing body on one side close to the shaft heads, a connecting plate is fixedly provided on the middle position of the upper outer surface of the bridge housing body, leaf spring seats are fixedly provided on both sides of the upper outer surface of the bridge housing body close to the connecting plate, and a first clamping seat is provided on one side of the lower end of the bridge housing body; the time required for installing the bridge housing assembly can be effectively shortened, and its assembly efficiency can be improved, while the failure rate of the bridge housing assembly can be reduced, and the stability of the bridge housing assembly itself can be improved; the bridge housing assembly is integrally formed by casting to improve its structural strength, while the bridge housing wall thickness adopts an unequal thickness structure, the overall weight is greatly reduced, and the fuel efficiency of the whole vehicle is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of automobile axle housings, and more specifically relates to an axle housing assembly with an integral casting structure. Background Art

[0002] The axle housing is the basic component for installing the main reducer, differential, half-axles, wheel hubs and suspension. Its main function is to support and protect the main reducer, differential and half-axles. At the same time, the axle housing is one of the main components of the running system. The drive axle housing should have sufficient strength and rigidity, small mass, and be easy to disassemble and adjust the main reducer.

[0003] Patent document No. CN104070929A discloses a vehicle bridge housing, including a bridge housing body with a base fixing hole in the middle, end flanges at both ends of the bridge housing body, a pin hole and a concave semicircular fixing groove at one end of the end flange away from the bridge housing body, the pin hole is arranged at both ends of the semicircular fixing groove, and the center lines of the pin hole and the semicircular fixing groove are perpendicular to each other. Its beneficial effect is: the pin hole and the semicircular fixing groove are arranged on the end flange, and the center lines of the pin hole and the semicircular fixing groove are perpendicular to each other, so that the two ends of the automobile bridge housing can be firmly and stably fixed on the automobile, avoiding the phenomenon that the bridge housing becomes loose after being subjected to force for a long time, thereby affecting the functional failure of the base parts.

[0004] The above-mentioned bridge housing assembly has certain deficiencies when in use. The traditional bridge housing assembly adopts a split structural assembly, so that the shaft head, rear cover, leaf spring seat and fixed support of the bridge housing assembly are all fixed to the bridge housing body by welding. The welding fixing method is prone to produce gaps, which reduces the overall structural strength of the bridge housing assembly, is prone to weld oil leakage, and has a high failure rate; secondly, the above-mentioned bridge housing assembly does not have an auxiliary docking structure, so that when installing the bridge housing assembly, it requires the cooperation of multiple people to operate, which increases the difficulty of installation operation of the bridge housing assembly and brings certain adverse effects to users. Summary of the invention

[0005] The purpose of the present invention is to provide a bridge housing assembly with an integral casting structure, which can solve the existing problems.

[0006] The problem to be solved by the present invention is:

[0007] 1. The traditional axle housing assembly adopts a split structure assembly, so that the shaft head, rear cover, leaf spring seat and fixed support of the axle housing assembly are fixed to the axle housing body by welding. The welding fixing method is prone to gaps, which reduces the overall structural strength of the axle housing assembly, is prone to weld oil leakage, and has a high failure rate;

[0008] 2. The above-mentioned bridge housing assembly does not have an auxiliary docking structure, so that when installing the bridge housing assembly, it requires the cooperation of multiple people, which increases the difficulty of installing the bridge housing assembly and brings certain adverse effects to the user.

[0009] The purpose of the present invention can be achieved through the following technical solutions:

[0010] A bridge housing assembly of an integral casting structure comprises a bridge housing body, wherein shaft heads are fixedly provided on the outer surfaces of both ends of the bridge housing body, and fixing rings are fixedly provided on the outer surfaces of both ends of the bridge housing body near the shaft heads, a connecting plate is fixedly provided on the middle position of the outer surface of the upper end of the bridge housing body, leaf spring seats are fixedly provided on both sides of the outer surface of the upper end of the bridge housing body near the connecting plate, a first clamping seat is provided on one side of the lower end of the bridge housing body, and a second clamping seat is provided on the other side of the lower end of the bridge housing body, the bridge housing body and the shaft head, the bridge housing body and the fixing ring, the bridge housing body and the connecting plate, the bridge housing body and the leaf spring seat, the bridge housing body and the first clamping seat, and the bridge housing body and the second clamping seat are all integrally cast by casting, and a docking clamp is provided on the upper part of the connecting plate.

[0011] As a further technical solution of the present invention, the docking card includes a base plate, a second docking strip is movably installed on one side of the base plate, a first docking strip is movably installed on the other side of the base plate, and the side edges of the second docking strip and the first docking strip are both arc-shaped structures. By utilizing the second docking strip and the first docking strip with arc-shaped side edges, when installing the bridge housing assembly, the docking card and the connecting plate can be docked first, and the second docking strip and the first docking strip can be utilized to assist in docking the connecting plate, thereby avoiding misalignment when the connecting plate and the vehicle body are installed.

[0012] As a further technical solution of the present invention, the substrate and the first docking strip, as well as the substrate and the second docking strip are movably connected via first telescopic strips. The number of first telescopic strips is two groups. By utilizing the setting of the first telescopic strips, the docking positions of the first docking strips and the first docking strips can be adjusted, so that the first docking strips and the first docking strips can use different vehicle body structures.

[0013] As a further technical solution of the present invention, a first clip is movably installed at the front end of the substrate, and a second clip is movably installed at the rear end of the substrate. The user can adjust the distance between the first clip and the second clip by pulling the first clip and the second clip. When the bridge shell body is installed, the substrate can be suitable for connecting plates of different sizes. The first clip and the second clip are clamped on the sides of the connecting plate to complete the installation and fixing operation of the substrate.

[0014] As a further technical solution of the present invention, the first card strip and the base plate, as well as the second card strip and the base plate, are movably connected via second telescopic strips, and the number of the second telescopic strips is two groups. By utilizing the setting of the second telescopic strips, the use positions of the first card strip and the second card strip can be adjusted, so that the adjusted first card strip and the second card strip can be suitable for connecting plates of different sizes.

[0015] As a further technical solution of the present invention, one end of the second telescopic strip and the first telescopic strip is provided with a fixing bolt, and the other end of the second telescopic strip and the first telescopic strip is provided with a limiting bolt. The setting of the limiting bolt can prevent the second telescopic strip and the first telescopic strip from falling off during use.

[0016] As a further technical solution of the present invention, a plurality of sets of fastening bolts are movably mounted on the upper portion of the base plate, and the inner middle portion of the bridge housing body is a semicircular structure.

[0017] Beneficial effects of the present invention:

[0018] 1. The bridge housing assembly is cast in one piece by pouring, and the fixing ring, the shaft head, the first clamping seat, the second clamping seat, the connecting plate, the leaf spring seat and the bridge housing body are cast in one piece. The rear cover and the bridge housing body adopt an integrated casting structure, which has better strength than the traditional rear cover and bridge housing body adopting a welded structure, and fundamentally solves the problems such as oil leakage in the rear cover weld. At the same time, the shaft head and the bridge housing body adopt an integrated casting structure, which has higher strength and lighter weight than the traditional shaft head and the middle section of the bridge housing adopting a welded structure, and at the same time eliminates the failure caused by weld defects. The leaf spring seat, the first clamping seat, the second clamping seat, the connecting plate and other welding accessories and the bridge housing body adopt an integrated casting structure, which can effectively shorten the time required for the installation of the bridge housing assembly, improve its assembly efficiency, reduce the failure rate of the bridge housing assembly, and improve the stability of the bridge housing assembly. The bridge housing assembly is integrally formed by pouring to improve its structural strength. At the same time, the bridge housing wall thickness adopts an unequal thickness structure, which greatly reduces the overall weight and improves the fuel efficiency of the vehicle.

[0019] 2. By setting a docking card, when the bridge shell assembly of the integral casting structure is installed and used, the user can adjust the use position of the first clip bar and the second clip bar by pulling the first clip bar and the second clip bar on the docking card, and use the setting of the second telescopic strip, so that the adjusted first clip bar and the second clip bar can be suitable for connecting plates of different sizes, and the first clip bar and the second clip bar are clamped on the side of the connecting plate to complete the fixing operation between the docking card and the connecting plate. By using the setting of the first telescopic strip, the docking position of the first docking strip and the first docking strip can be adjusted, so that the first docking strip and the first docking strip can use different vehicle body structures. By using the second docking strip and the first docking strip with arc-shaped side structures, when installing the bridge shell assembly, the docking card and the connecting plate can be docked first, and the second docking strip and the first docking strip can be used to assist in docking the connecting plate, so as to avoid misalignment between the connecting plate and the vehicle body during installation, thereby reducing the difficulty of installing the bridge shell assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention will be further described below in conjunction with the accompanying drawings.

[0021] Figure 1 It is a schematic diagram of the overall structure of the bridge housing assembly of the integral casting structure of the present invention;

[0022] Figure 2 is a top view of the bridge housing assembly of the integral casting structure of the present invention;

[0023] Figure 3 It is an overall structural diagram of the docking clamp in the bridge housing assembly of the integral casting structure of the present invention;

[0024] Figure 4 It is an overall structural diagram of the second butt joint strip in the bridge housing assembly of the integral casting structure of the present invention.

[0025] In the figure: 1, bridge housing body; 2, first clamping seat; 3, second clamping seat; 4, fixing ring; 5, shaft head; 6, connecting plate; 7, leaf spring seat; 8, first clamping strip; 9, first telescopic strip; 10, first docking strip; 11, fastening bolt; 12, second clamping strip; 13, second telescopic strip; 14, base plate; 15, second docking strip; 16, limit clamping bolt; 17, fixing bolt; 18, docking clamp. DETAILED DESCRIPTION

[0026] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined invention purpose, the specific implementation mode, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0027] like Figure 1-4As shown, the bridge housing assembly of the integral casting structure, the outer surfaces of both ends of the bridge housing body 1 are fixedly provided with shaft heads 5, and the outer surfaces of both ends of the bridge housing body 1 are fixedly provided with fixing rings 4 on one side close to the shaft heads 5, a connecting plate 6 is fixedly provided at the middle position of the upper end outer surface of the bridge housing body 1, and leaf spring seats 7 are fixedly provided on both sides of the upper end outer surface of the bridge housing body 1 close to the connecting plate 6, a first clamping seat 2 is provided at one side of the lower end of the bridge housing body 1, and a second clamping seat 3 is provided at the other side of the lower end of the bridge housing body 1, and the bridge housing body 1 is fixedly provided with a fixing ring 4. A rear cover is provided in the middle part, and the bridge housing body 1 and the shaft head 5, the bridge housing body 1 and the fixing ring 4, the bridge housing body 1 and the connecting plate 6, the bridge housing body 1 and the leaf spring seat 7, the bridge housing body 1 and the rear cover, the bridge housing body 1 and the first clamping seat 2, and the bridge housing body 1 and the second clamping seat 3 are all integrally cast by pouring. A docking clamp 18 is provided on the upper part of the connecting plate 6. The setting of the docking clamp 18 plays an auxiliary fixing role in the installation of the bridge housing assembly, avoids the misalignment of the bridge housing assembly during installation, and improves the installation accuracy of the bridge housing assembly.

[0028] The docking card 18 includes a base plate 14, a second docking strip 15 is movably mounted on one side of the base plate 14, a first docking strip 10 is movably mounted on the other side of the base plate 14, and the side edges of the second docking strip 15 and the first docking strip 10 are both arc-shaped structures. By utilizing the second docking strip 15 and the first docking strip 10 with arc-shaped side edges, when the bridge housing assembly is installed, the docking card 18 and the connecting plate 6 can be docked first, and the second docking strip 15 and the first docking strip 10 can be utilized to assist in docking the connecting plate 6 to avoid misalignment when the connecting plate 6 and the vehicle body are installed. A telescopic groove is provided on the inner side of the base plate 14 for use with the first telescopic strip 9. By setting the telescopic groove, the first telescopic strip 9 can be arbitrarily telescopically adjusted.

[0029] The base plate 14 and the first docking bar 10 as well as the base plate 14 and the second docking bar 15 are movably connected via the first telescopic bar 9. The number of the first telescopic bar 9 is two groups. By utilizing the setting of the first telescopic bar 9, the docking position of the first docking bar 10 and the second docking bar 15 can be adjusted, so that the first docking bar 10 and the second docking bar 15 can use different vehicle body structures.

[0030] A first clamping strip 8 is movably mounted on the front end of the base plate 14, and a second clamping strip 12 is movably mounted on the rear end of the base plate 14. The user can adjust the distance between the first clamping strip 8 and the second clamping strip 12 by pulling the first clamping strip 8 and the second clamping strip 12. When the bridge housing body 1 is installed, the base plate 14 can be adapted to connecting plates 6 of different sizes. The first clamping strip 8 and the second clamping strip 12 are clamped on the sides of the connecting plate 6 to complete the installation and fixing operation of the base plate 14.

[0031] The first clip 8 and the base plate 14 as well as the second clip 12 and the base plate 14 are movably connected via the second telescopic strips 13. The number of the second telescopic strips 13 is two groups. By using the setting of the second telescopic strips 13, the use positions of the first clip 8 and the second clip 12 can be adjusted, so that the adjusted first clip 8 and the second clip 12 can be suitable for connecting plates 6 of different sizes.

[0032] One end of the second telescopic strip 13 and the first telescopic strip 9 is provided with a fixing bolt 17, and the other end of the second telescopic strip 13 and the first telescopic strip 9 is provided with a limiting bolt 16. The setting of the limiting bolt 16 can prevent the second telescopic strip 13 and the first telescopic strip 9 from falling off during use.

[0033] A plurality of sets of fastening bolts 11 are movably installed on the upper part of the base plate 14. The fastening bolts 11 can be used to lock and fix the second telescopic strip 13 and the first telescopic strip 9 after being pulled out. The inner middle part of the bridge housing body 1 is a semicircular structure.

[0034] The bridge housing assembly of the integral casting structure is integrally cast by casting, and the fixing ring 4, the shaft head 5, the first clamping seat 2, the second clamping seat 3, the connecting plate 6, the leaf spring seat 7 and the bridge housing body 1 are integrally cast. The rear cover and the bridge housing body 1 adopt an integral casting structure, which has better strength than the traditional rear cover and bridge housing body 1 adopting a welded structure, and fundamentally solves the problem of oil leakage in the rear cover weld. At the same time, the shaft head 5 and the bridge housing body 1 adopt an integral casting structure, which has higher strength than the traditional shaft head 5 and the middle section of the bridge housing adopting a welded structure. , and lighter in weight, while preventing failures caused by weld defects. The leaf spring seat 7, the first clamping seat 2, the second clamping seat 3, the connecting plate 6 and other welding accessories and the bridge housing body 1 adopt an integrated casting structure, which can effectively shorten the time required for the installation of the bridge housing assembly and improve its assembly efficiency. At the same time, it reduces the failure rate of the bridge housing assembly and improves the stability of the bridge housing assembly. The bridge housing assembly is integrally formed by casting to improve its structural strength. At the same time, the bridge housing wall thickness adopts an unequal thickness structure, and the overall weight is greatly reduced, which improves the fuel efficiency of the whole vehicle;

[0035] By setting the docking card 18, when the bridge housing assembly of the integral casting structure is installed and used, the user can pull the first clamping strip 8 and the second clamping strip 12 on the docking card 18, and use the setting of the second telescopic strip 13 to adjust the use position of the first clamping strip 8 and the second clamping strip 12, so that the adjusted first clamping strip 8 and the second clamping strip 12 can be suitable for connecting plates 6 of different sizes, and the first clamping strip 8 and the second clamping strip 12 are clamped on the side of the connecting plate 6 to complete the fixing operation between the docking card 18 and the connecting plate 6. By using the setting of the first telescopic strip 9, the docking position of the first docking strip 10 and the first docking strip 10 can be adjusted, so that the first docking strip 10 and the first docking strip 10 can use different vehicle body structures. By using the second docking strip 15 with an arc-shaped side structure and the first docking strip 10, when the bridge housing assembly is installed, the docking card 18 and the connecting plate 6 can be docked first, and the second docking strip 15 and the first docking strip 10 can be used to assist in docking the connecting plate 6, so as to avoid misalignment when the connecting plate 6 and the vehicle body are installed, thereby reducing the installation difficulty of the bridge housing assembly.

[0036] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A bridge housing assembly of an integral casting structure, comprising a bridge housing body (1), wherein shaft heads (5) are fixedly provided on both ends of the outer surface of the bridge housing body (1), and a fixing ring (4) is fixedly provided on both ends of the outer surface of the bridge housing body (1) on one side close to the shaft head (5), a connecting plate (6) is fixedly provided on the middle part of the upper end outer surface of the bridge housing body (1), and leaf spring seats (7) are fixedly provided on both sides of the upper end outer surface of the bridge housing body (1) close to the connecting plate (6), a first clamping seat (2) is provided on one side of the lower end of the bridge housing body (1), and a second clamping seat (3) is provided on the other side of the lower end of the bridge housing body (1), and a rear cover is provided in the middle of the bridge housing body (1), characterized in that: The shaft head (5), the fixing ring (4), the connecting plate (6), the leaf spring seat (7), the rear cover, the first clamping seat (2), the second clamping seat (3) and the bridge housing body (1) are all integrally cast by pouring, and a docking clamp (18) is provided on the upper part of the connecting plate (6); The docking clamp (18) comprises a base plate (14), a second docking strip (15) being movably mounted on one side of the base plate (14), and a first docking strip (10) being movably mounted on the other side of the base plate (14); Adjusting the docking position of the first docking strip (10) and the second docking strip (15) so that the first docking strip (10) and the second docking strip (15) can use different vehicle body structures; A first clamping strip (8) is movably mounted on the front end of the base plate (14), and a second clamping strip (12) is movably mounted on the rear end of the base plate (14); Adjusting the distance between the first clamping strip (8) and the second clamping strip (12) so that the base plate (14) is suitable for connecting plates (6) of different sizes when the bridge housing body (1) is installed; The base plate (14) and the first docking strip (10), as well as the base plate (14) and the second docking strip (15) are movably connected via a first telescopic strip (9); The first clamping strip (8) and the base plate (14) as well as the second clamping strip (12) and the base plate (14) are movably connected via a second telescopic strip (13); A plurality of sets of fastening bolts (11) are movably mounted on the upper portion of the base plate (14), and the inner middle portion of the bridge housing body (1) is a semicircular structure; The fastening bolt (11) is provided to lock and fix the second telescopic strip (13) and the first telescopic strip (9) after they are pulled out.

2. The bridge housing assembly of the integral casting structure according to claim 1 is characterized in that: The side edges of the second butt joint strip (15) and the first butt joint strip (10) are both arc-shaped structures.

3. The bridge housing assembly of integral casting structure according to claim 2 is characterized in that: The number of the first telescopic strips (9) is two groups.

4. The bridge housing assembly of integral casting structure according to claim 1 is characterized in that: The number of the second telescopic strips (13) is two groups.

5. The bridge housing assembly of integral casting structure according to claim 4 is characterized in that: One end of the second telescopic strip (13) and the first telescopic strip (9) is provided with a fixing bolt (17), and the other end of the second telescopic strip (13) and the first telescopic strip (9) is provided with a limiting latch bolt (16).

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