CN202271782U - Axle housing of steering driving axle - Google Patents
Axle housing of steering driving axle Download PDFInfo
- Publication number
- CN202271782U CN202271782U CN2011202542995U CN201120254299U CN202271782U CN 202271782 U CN202271782 U CN 202271782U CN 2011202542995 U CN2011202542995 U CN 2011202542995U CN 201120254299 U CN201120254299 U CN 201120254299U CN 202271782 U CN202271782 U CN 202271782U
- Authority
- CN
- China
- Prior art keywords
- axle housing
- cover plate
- variation range
- upper cover
- size
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
Landscapes
- Vehicle Body Suspensions (AREA)
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Abstract
The utility model relates to an axle housing of a steering driving axle, comprising an axle housing body and steering forks which are connected by adopting a way of GMAW (Gas Metal Arc Welding). The axle housing is characterized in that: an upper cover plate, a lower cover plate, side plates and steel rings are welded to form the axle housing body; wherein a middle part of the upper cover plate and a middle part of the lower cover plate have opposite U-shaped structures, the shape of a bottom of the U-shaped structure has two forms, i.e., an arc shape and a plane; the two steel rings are welded between the U-shaped structures, external diameters of the steel rings are respectively tightly combined with the side plates, the upper cover plate and the lower cover plate, the side plates are adapted to the shapes of the upper cover plate, the lower cover plate and the steel rings, side surfaces of two ends of the side plate are vertical to the upper cover plate and the lower cover plate; and a cross section of the axle housing body is rectangular. The axle housing of the utility model has the advantages of concise and beautiful integral shape, high strength and rigidity, good toughness, strong shock resistant capability, and light weight.
Description
Technical field
The utility model relates to a kind of heavy goods vehicles axle shell, particularly a kind of steering drive axle axle housing.
Background technology
At present, domestic Integral steering drive axle generally adopts integral cast steel formula axle housing, and integral cast steel formula axle housing applies to can satisfy load bearing requirements fully on the steering drive axle of single bridge dynamic load ability below 10 tons.And if single bridge dynamic load ability adopts integral cast steel formula axle housing at 13 tons of steering drive axles that reach bigger live load, because of its integral body is steel casting, it is shock proof indifferent, when on some irregular road surfaces, using, fracture accident takes place easily.Therefore, single bridge dynamic load ability does not generally adopt integral cast steel formula axle housing at 13 tons of steering drive axles that reach bigger live load.In addition, owing to technology and cost reason, the manufacturing of cast steel axle housing resolute design is not easy, and only is applicable to production in enormous quantities, in be difficult to satisfying, the needs of be pilot.
The utility model content
Adopt the shock resistance load-carrying capacity of integral cast steel formula axle housing not strong in order to overcome single bridge dynamic load ability at 13 tons of steering drive axles that reach bigger live load; It is indifferent to bear tilting moment, and problem dumb and that weight is big is made in deformation design, and the utility model provides a kind of monnolithic case succinctly attractive in appearance; Strength and stiffness are high; Good toughness, strong shock resistance, lightweight welded type square-section steering drive axle axle housing.
The utility model is realized through implementing following technical proposals:
A kind of steering drive axle axle housing comprises the mode bonded assembly axle housing body and the steering fork that adopt gas metal-arc welding, it is characterized in that said axle housing body is formed by upper cover plate, lower cover, side plate and steel ring welding; The middle part of upper cover plate and lower cover is towards relative U font structure, two steel rings of welding in the middle of U font structure, steel ring external diameter respectively with the combining closely of side plate, upper cover plate and lower cover; The shape of side plate and upper cover plate, lower cover and steel ring is suitable, and the side, two ends of side plate and upper cover plate and lower cover are orthogonal, and the shape of cross section of axle housing body is a rectangle.
As a kind of structure, the bottom towards relative U font structure that is positioned at said upper cover plate and lower cover middle part is an arc, and the arc both sides are the transition inclined-plane.
As another kind of structure, the bottom towards relative U font structure that is positioned at said upper cover plate and lower cover middle part is the plane, two bottom sides inclined-plane and base plane and cover plate two ends linear portion arc transition.
Said axle housing body two ends are provided with bevel for welding, 1～4 millimeter of root face size, and groove angle size L variation range is at 0 °～45 °, and the variation range of this groove size is beneficial to the formation in weld seam molten bath, and formation of weld is good, and weldquality is stable, reliable; The angle size E variation range on axle housing body A cover plate base and inclined-plane in the angle size P variation range on 0 °～70 °, axle housing body B cover plate base and inclined-plane at 0 °～70 °; Cover plate bottom lengths size N variation range is at 100～1000mm, and it is stressed big that the variation range of this cover plate size E, P, N can satisfy the axle housing middle part effectively, the stressed little characteristics in two ends; The strength and stiffness margin of safety that realizes each cross-sectional plane of axle housing is close; Simultaneously, be convenient to the cover plate bending forming, good manufacturability.
The variation range scope of said steel ring internal diameter size D is 700 millimeters of φ 100～φ, to realize the installation of main gearbox assembly; The variation range of the size F of stub distance is at 800～3500 millimeters, and this stub carpenters square cun has solved the installation requirement of different main frames flexibly, and resolute design is easy to manufacture, and cost is low, is applicable to the production of small batch product.
The rectangle height of said axle housing body cross-sectional plane from the bridge bag mind-set axle housing two ends gradually rounding off reduce, realize that the strength and stiffness margin of safety of each cross-sectional plane of axle housing is close; The size in cross section can be through varying sized A, size B, size C/Q and size M, and the thickness that changes steel plate is realized.The variation range of size A is at 50～500 millimeters, and the variation range of size B is at 80～800 millimeters, and the variation range of size C/Q is at 100～800 millimeters, and the variation range of size M is at 50～600 millimeters, and the variation range of steel plate thickness is at 1～100 millimeter.The variation range of above sectional dimension, the requirement that has solved different main frame load flexibly, resolute design is easy to manufacture, and cost is low, is applicable to the production of small batch product.
Said steering fork is provided with the kingpin bore of two sections line of centers on same straight line; The variation range of the line of centers inclined angle G of two sections kingpin bore is at 0 °～10 °; With realize to strengthen car load go, stability in the turning process, avoid vehicle generation rollover accident; The variation range of the aperture size H of two sections kingpin bore is 150 millimeters of φ 30～φ, up and down between the outer face of kingpin bore the variation range of size I at 100～600 millimeters.The setting of the variation range of size H, I can be satisfied the requirement of different main frame load, and resolute design is easy to manufacture, and cost is low, is applicable to the production of small batch product.
Said steering fork middle part is provided with bearing hole, and the two ends of bearing hole respectively are provided with a jump ring groove, in the arranged outside of jump ring groove in the outer part oil sealing hole is arranged.
In the bearing hole of said steering fork needle bearing is housed; Two outside framework oil seals are equipped with in the outside, also can be the oil sealings of other form, and the variation range of bearing hole, oil sealing hole aperture size K is 200 millimeters of φ 30～φ; Can satisfy the requirement of different main frame load; The aperture resolute design is easy to manufacture, and cost is low, is applicable to the production of small batch product.
Behind two block plate bending formings, with four blocks of side plates, two steel ring assembly weldings become the axle housing body, axle housing body postwelding cross section rectangular shaped.The rectangular design of axle housing body cross-sectional plane makes it can connect upper and lower bearing easily, has the ability of well bearing tilting moment, and is in light weight, and the load deposit is high, safe and reliable characteristics.The rectangle height of axle housing body cross-sectional plane from the bridge bag mind-set axle housing two ends gradually rounding off reduce, realized that the intensity of each cross-sectional plane of axle housing, rigidity safety factor are suitable, stock utilization is high.Behind the weld preparation of axle housing body two ends, become axle housing with the steering fork assembly welding.Steering fork is provided with the steering yoke bolt axis hole in two ends up and down, and the stub axis hole is on same straight line up and down, and stub axis hole line of centers is toward the tilt certain angle up and down.The steering fork middle part is provided with support holes and the oil sealing hole that turns to jack shaft.
The beneficial effect of the utility model shows following several aspect:
1, profile is succinctly attractive in appearance, compact conformation.
2, the axle housing body adopts steel plate welding pattern; Good toughness, oad change and to manufacture and design easily, can be easily carry out the resolute design manufacturing according to the installation requirement of main computer boxes; And that manufacturing cost changes is little, thus in, the main computer boxes of small lot has good economic and practical.
3,, have the ability of well bearing tilting moment, in light weight, load deposit height, safe and reliable because the rectangular design of cross-sectional plane makes it can weld upper and lower bearing easily.
4, bear the characteristics of moment of flexure and moment of torsion according to axle housing, the rectangle height of axle housing cross-sectional plane from the bridge bag mind-set axle housing two ends gradually rounding off reduce, realized that the intensity of each cross-sectional plane of axle housing, rigidity safety factor are suitable, stock utilization is high.
5, axle housing body two ends are welded steering fork and are formed axle housing, and simple in structure, intensity is good.
6, manufacturing process is simple, and reject rate is low.
Description of drawings
Fig. 1 is the structural representation of first embodiment of the utility model;
Fig. 2 is the structural representation of second embodiment of the utility model;
Fig. 3 is the cross sectional representation of the axle housing end of the utility model;
Fig. 4 is the cross sectional representation in the axle housing stage casing of the utility model;
Fig. 5 is the steering fork of the utility model and the section enlarged diagram of axle housing body bead shape;
Fig. 6 is the section enlarged diagram of the steering fork support holes of the utility model.
Mark among the figure: 1 is upper cover plate, and 2 is lower cover, and 3 is side plate, and 4 is steel ring, and 5 is steering fork, and 6 is bearing hole, and 7 is the jump ring groove, and 8 is oil sealing hole.
The specific embodiment
The utility model provides a kind of steering drive axle axle housing; Comprise axle housing body and steering fork 5; Described axle housing body and steering fork 5 adopt the mode of gas metal-arc welding, and its welding protection gas is argon gas and carbon-dioxide miscellaneous gas, and welding source is a dc reverse connection; The welding wire direction is reverse, and steering fork 5 blanks can be steel casting, forging and group welding piece (seeing Fig. 1, Fig. 2, Fig. 5).The axle housing body is formed with steel ring 4 welding by upper cover plate 1, lower cover 2, side plate 3; The middle part of upper cover plate 1 and lower cover 2 is towards relative U font structure; Two steel rings 4 of welding in the middle of U font structure, steel ring 4 external diameters are combined closely with side plate 3, upper cover plate 1 and lower cover 2 respectively, and side plate 3 is suitable with the shape of upper cover plate 1, lower cover 2 and steel ring 4; The side, two ends of side plate 3 and upper cover plate 1 are orthogonal with lower cover 2, and the shape of cross section of axle housing body is a rectangle.As a kind of embodiment, the bottom of U font structure is an arc, and the arc both sides are the transition inclined-plane.As another kind of embodiment, the bottom of U font structure is the plane, two bottom sides inclined-plane and base plane and cover plate two ends linear portion arc transition.(seeing Fig. 1, Fig. 2, Fig. 3, Fig. 4).Like Fig. 3, shown in Figure 4, the size of said cross-sectional plane can be through varying sized A, size B, size C/Q and size M, and the thickness that changes steel plate is realized.Wherein the variation range of size A is at 50～500 millimeters, and the variation range of size B is at 80～800 millimeters, and the variation range of size C/Q is at 100～800 millimeters, and the variation range of size M is at 50～600 millimeters, and the variation range of steel plate thickness is at 1～100 millimeter.Be provided with bevel for welding at axle housing body two ends, 1～4 millimeter of root face size, groove angle size L variation range is 0 °～45 ° (see figure 5)s.The angle size E variation range on axle housing body A cover plate base and inclined-plane is 0 °～70 ° (see figure 1)s; The angle size P variation range on axle housing body B cover plate base and inclined-plane is at 0 °～70 °, and cover plate bottom lengths size N variation range is in 100～1000mm (see figure 2).The variation range scope of steel ring 4 internal diameter size D is 700 millimeters of φ 100～φ, and the variation range of the size F of stub distance is at 800～3500 millimeters (seeing Fig. 1, Fig. 2).The rectangle height of axle housing body cross-sectional plane from the bridge bag mind-set axle housing two ends gradually rounding off reduce, realize that the strength and stiffness margin of safety of each cross-sectional plane of axle housing is close.Steering fork 5 is provided with the two sections kingpin bore; The line of centers of two sections kingpin bore is on same straight line; The variation range of the line of centers inclined angle G of two sections kingpin bore is at 0 °～10 °; The variation range of the aperture size H of two sections kingpin bore is 150 millimeters of φ 30～φ, up and down between the outer face of kingpin bore the variation range of size I at 100～600 millimeters (seeing Fig. 1, Fig. 2).
Being provided with bearing hole 6 at the middle part of steering fork 5, respectively being provided with a jump ring groove 7 at the two ends of bearing hole 6, but be not limited only to the axial location mode of jump ring groove here, also can be the axial location mode of other form.In the arranged outside of jump ring groove 7 in the outer part oil sealing hole 8 (see figure 6)s are arranged.In the bearing hole 6 of steering fork 5 needle bearing being housed, but being not limited only to needle bearing here, also can be the bearing of other form.Two outside framework oil seals are equipped with in the outside, also can be the oil sealings of other form, and oil sealing quantity can according to circumstances adjust.The variation range of bearing hole, oil sealing hole aperture size K is at 200 millimeters of φ 30～φ (seeing Fig. 1, Fig. 2, Fig. 6).
Below in conjunction with two specific embodiments the utility model is described in detail.
As shown in Figure 1, a kind of steering drive axle axle housing A, it comprises a upper cover plate 1, lower cover 2, four 4, two steering forks 5 of 3, two steel rings of side plate.The material of upper cover plate 1, cover plate 2, side plate 3, steel ring 4 is steel plate.The middle part of upper cover plate 1 and lower cover 2 is that the bottom is an arc towards relative U font structure, and the arc both sides are the transition inclined-plane.Two steel rings 4 of welding in the middle of arc, steel ring 4 has the effect of reinforced rib, can strengthen the intensity of housing, improves torsion stiffness.Steel ring 4 external diameters are fitted with the circular arc of side plate 3, upper cover plate 1 and lower cover 2 respectively.Side plate 3 is suitable with the shape of upper cover plate 1, lower cover 2 and steel ring 4; The side, two ends of side plate 3 and upper cover plate 1 are orthogonal with lower cover 2; Side plate 3 forms the axle housing body with upper cover plate 1, lower cover 2, steel ring 4 welding, and the shape of cross section of axle housing body is rectangle (seeing Fig. 3, Fig. 4).The rectangular design of cross-sectional plane makes it can connect upper and lower bearing easily, has the ability of well bearing tilting moment, and is in light weight, and the load deposit is high, safe and reliable.Behind the weld preparation of axle housing body two ends, become axle housing with steering fork 5 assembly weldings.The bead shape (see figure 5) of steering fork 5 and axle housing body, its welding are successively carried out by layer digital number in (Fig. 5) in proper order from the bottom to top.Steering fork is provided with the steering yoke bolt axis hole in two ends about in the of 5, and the stub axis hole is on same straight line up and down, and stub axis hole line of centers is toward the tilt certain angle up and down.Steering fork 5 middle parts are provided with the support holes (see figure 6) that turns to jack shaft.The cross sectional dimensions size of axle housing can be according to the requirement of axle load, and the thickness and varying sized A, B, C, the M that change steel plate arbitrarily realize (seeing Fig. 1, Fig. 3, Fig. 4).The rectangle height of axle housing cross-sectional plane from the bridge bag mind-set axle housing two ends gradually rounding off reduce, realize that the strength and stiffness margin of safety of each cross-sectional plane of axle housing is close.
As shown in Figure 2, a kind of steering drive axle axle housing B, it comprises a upper cover plate 1, lower cover 2, four 4, two steering forks 5 of 3, two steel rings of side plate.The material of upper cover plate 1, cover plate 2, side plate 3, steel ring 4 is steel plate.The middle part of upper cover plate 1 and lower cover 2 is that the bottom is the plane towards relative U font structure, two bottom sides inclined-plane and base plane and cover plate two ends linear portion arc transition.Two steel rings 4 of welding in the middle of U-shaped, steel ring 4 has the effect of reinforced rib, can strengthen the intensity of housing, improves torsion stiffness.Steel ring 4 external diameters are fitted with circular arc, upper cover plate 1 and the lower cover 2 of side plate 3 respectively.Side plate 3 is suitable with the shape of upper cover plate 1, lower cover 2 and steel ring 4; The side, two ends of side plate 3 and upper cover plate 1 are orthogonal with lower cover 2; Side plate 3 forms the axle housing body with upper cover plate 1, lower cover 2, steel ring 4 welding, and the shape of cross section of axle housing body is rectangle (seeing Fig. 3, Fig. 4).The rectangular design of cross-sectional plane makes it can connect upper and lower bearing easily, has the ability of well bearing tilting moment, and is in light weight, and the load deposit is high, safe and reliable.Behind the weld preparation of axle housing body two ends, become axle housing with steering fork 5 assembly weldings.The bead shape (see figure 5) of steering fork 5 and axle housing body, its welding are successively carried out by (see figure 5) layer digital number in proper order from the bottom to top.Steering fork is provided with the steering yoke bolt axis hole in two ends about in the of 5, and the stub axis hole is on same straight line up and down, and stub axis hole line of centers is toward the tilt certain angle up and down.Steering fork 5 middle parts are provided with the support holes (see figure 6) that turns to jack shaft.The cross sectional dimensions size of axle housing can be according to the requirement of axle load, and the thickness and varying sized A, B, Q, the M that change steel plate arbitrarily realize (seeing Fig. 2, Fig. 3, Fig. 4).The rectangle height of axle housing cross-sectional plane from the bridge bag mind-set axle housing two ends gradually rounding off reduce, realize that the strength and stiffness margin of safety of each cross-sectional plane of axle housing is close.
Claims (10)
1.
A kind of steering drive axle axle housing comprises the mode bonded assembly axle housing body and the steering fork (5) that adopt gas metal-arc welding, it is characterized in that said axle housing body is formed with steel ring (4) welding by upper cover plate (1), lower cover (2), side plate (3); The middle part of upper cover plate (1) and lower cover (2) is towards relative U font structure, welding two steel rings (4) in the middle of U font structure, and steel ring (4) external diameter is combined closely with side plate (3), upper cover plate (1) and lower cover (2) respectively; Side plate (3) is suitable with the shape of upper cover plate (1), lower cover (2) and steel ring (4), and the side, two ends of side plate (3) and upper cover plate (1) and lower cover (2) are orthogonal; The shape of cross section of said axle housing body is a rectangle.
2. steering drive axle axle housing according to claim 1, the bottom towards relative U font structure that it is characterized in that being positioned at said upper cover plate (1) and lower cover (2) middle part is an arc, the arc both sides are the transition inclined-plane.
3. steering drive axle axle housing according to claim 1; It is characterized in that the bottom towards relative U font structure that is positioned at said upper cover plate (1) and lower cover (2) middle part is the plane, two bottom sides inclined-plane and base plane and cover plate two ends linear portion arc transition.
4. according to the described axle housing of arbitrary claim in the claim 1～3, it is characterized in that said axle housing body two ends are provided with bevel for welding, 1～4 millimeter of root face size, groove angle size L variation range is at 0 °～45 °; At 0 °～70 °, cover plate bottom lengths size N variation range is at 100～1000mm in the angle size P variation range on 0 °～70 °, axle housing body B cover plate base and inclined-plane for the angle size E variation range on axle housing body A cover plate base and inclined-plane.
5. according to the described axle housing of arbitrary claim in the claim 1～3, the variation range scope that it is characterized in that said steel ring (4) internal diameter size D is 700 millimeters of φ 100～φ, and the variation range of the size F of stub distance is at 800～3500 millimeters.
6. according to the described axle housing of arbitrary claim in the claim 1～3, the rectangle height that it is characterized in that said axle housing body cross-sectional plane from the bridge bag mind-set axle housing two ends gradually rounding off reduce, realize that the strength and stiffness margin of safety of each cross-sectional plane of axle housing is close.
7. steering drive axle axle housing according to claim 1; It is characterized in that; Said steering fork (5) is provided with the kingpin bore of two sections line of centers on same straight line; The variation range of the line of centers inclined angle G of two sections kingpin bore is at 0 °～10 °, and the variation range of the aperture size H of two sections kingpin bore is 150 millimeters of φ 30～φ, up and down between the outer face of kingpin bore the variation range of size I at 100～600 millimeters.
8. steering drive axle axle housing according to claim 1 is characterized in that said steering fork (5) middle part is provided with bearing hole (6); Respectively be provided with a jump ring groove (7) at the two ends of bearing hole (6), oil sealing hole (8) arranged in the arranged outside of jump ring groove (7) in the outer part.
9. steering drive axle axle housing according to claim 1 is characterized in that in the bearing hole of said steering fork (5) bearing being housed, and two outside framework oil seals are equipped with in the outside.
10. steering drive axle axle housing according to claim 1, the variation range that it is characterized in that described bearing hole (6), oil sealing hole (8) aperture size K is 200 millimeters of φ 30～φ.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202542995U CN202271782U (en) | 2011-07-19 | 2011-07-19 | Axle housing of steering driving axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202542995U CN202271782U (en) | 2011-07-19 | 2011-07-19 | Axle housing of steering driving axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202271782U true CN202271782U (en) | 2012-06-13 |
Family
ID=46192161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202542995U Expired - Lifetime CN202271782U (en) | 2011-07-19 | 2011-07-19 | Axle housing of steering driving axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202271782U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102514448A (en) * | 2011-07-19 | 2012-06-27 | 泸州开士乐工程技术有限责任公司 | Axle case for turning drive vehicle axle |
| CN102745020A (en) * | 2012-06-19 | 2012-10-24 | 贵州航天红光机械制造有限公司 | Improved steering front-driving axle housing assembly for heavy type special vehicle |
-
2011
- 2011-07-19 CN CN2011202542995U patent/CN202271782U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102514448A (en) * | 2011-07-19 | 2012-06-27 | 泸州开士乐工程技术有限责任公司 | Axle case for turning drive vehicle axle |
| CN102745020A (en) * | 2012-06-19 | 2012-10-24 | 贵州航天红光机械制造有限公司 | Improved steering front-driving axle housing assembly for heavy type special vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101918232B (en) | Structural I-beam automotive suspension arm | |
| CN110203284B (en) | Hollow cast aluminum and aluminum section bar welded auxiliary frame | |
| CN202271782U (en) | Axle housing of steering driving axle | |
| CN102367044B (en) | Upper oscillating arm assembly of automobile double-wishbone suspension | |
| CN102514448A (en) | Axle case for turning drive vehicle axle | |
| CN201856593U (en) | Swing arm for vehicle suspension | |
| CN207345466U (en) | A kind of battery pack lower housing shell reinforcement structure | |
| CN206520654U (en) | A kind of new automobile rear sub-frame | |
| CN201179873Y (en) | Door frame structure of railway vehicle door | |
| CN202243731U (en) | Reinforcing structure of press-formed tilting mechanism | |
| CN202806272U (en) | Multifunctional swing arm | |
| JP5124270B2 (en) | Forklift mast | |
| CN203602270U (en) | Frame structure for tire crane | |
| CN207029301U (en) | Automobile rear sub-frame and automobile | |
| CN201729033U (en) | Axle housing of axle | |
| CN2599327Y (en) | Differential speed reducer welding planetary support | |
| CN202826982U (en) | Steering and front driving improved type axle housing assembly for heavy type special vehicle | |
| CN102358358A (en) | Strengthening structure of punching, forming and turning mechanism | |
| CN206738414U (en) | A kind of multipurpose outward flange disk | |
| CN201665249U (en) | Heavy-duty automobile multifunctional rack | |
| CN202295149U (en) | Reinforced bottom fork of motorcycle | |
| CN207310976U (en) | One kind keeps away an external flange disk | |
| CN205970829U (en) | Back exhaust hook assembly | |
| CN201125133Y (en) | Heavy engineering front crane rack having integral amplitude-variable oil cylinder bearing support | |
| CN202174908U (en) | Support for transverse stable pull rod for mining truck |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120613 |
|
| CX01 | Expiry of patent term |