CN103395350A - Connecting structure for swing arm and front axle and mining dump truck - Google Patents
Connecting structure for swing arm and front axle and mining dump truck Download PDFInfo
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- CN103395350A CN103395350A CN201310349208XA CN201310349208A CN103395350A CN 103395350 A CN103395350 A CN 103395350A CN 201310349208X A CN201310349208X A CN 201310349208XA CN 201310349208 A CN201310349208 A CN 201310349208A CN 103395350 A CN103395350 A CN 103395350A
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- outer ring
- bearing
- bearing outer
- swing arm
- front axle
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Abstract
The invention discloses a connecting structure for a swing arm and a front axle and a mining dump truck, and belongs to the field of machine manufacturing. A ball stud (2) is arranged at one end of the front axle (1), a bearing installing hole (4) is formed in one end of the swing arm (3), a bearing (5) is arranged in the bearing installing hole (4), the outer surface of the ball stud (2) is in cooperation with the inner surface of the bearing (5) in a hinged mode, the bearing (5) comprises an upper bearing outer ring (6) and a lower bearing outer ring (7), the upper bearing outer ring (6) and the lower bearing outer ring (7) are in cooperation with each other to form a spherical groove, the upper bearing outer ring (6) and the lower bearing outer ring (7) are arranged in the bearing installing hole (4) in sequence, the upper bearing outer ring (6) is integrally formed, and the center line of the upper bearing outer ring (6) is parallel to the center line of the bearing installing hole (4). According to the technical scheme, due to the facts that the vertically split type bearing is adopted, and pressure stress is borne through the integrally-formed upper bearing outer ring, installation is convenient, and the load-bearing capacity is improved.
Description
The invention belongs to mechanical equipment and make field, relate to a kind of connection structure, relate in particular to connection structure and the quarry tipper of a kind of swing arm and front axle.
Background technology
Quarry tipper is a kind of large-scale transportation device that is specifically designed to large-scale mine (colliery, iron ore, gold mine etc.), large hydraulic engineering and energy field, across the equipment manufacture of automobile and mechanical field, the fast development of national economy is played an important role.Propons, as an important component part of quarry tipper, bears the suffered longitudinal force of vehicle, transverse force, vertical load etc., realizes the functions such as Vehicular turn, shock absorbing and damped vibration.Front axle of mining dump truck mainly is comprised of front overhang cylinder, swing arm, front axle and steering hardware.
Swing arm, as an important component part of propons, has three hinge-points.One end and front overhang cylinder are hinged, and an end is hinged with vehicle frame respectively by two mounting holes, and an end is connected by the bulb bearing with front axle.The reliability that swing arm is connected with front axle directly has influence on the reliability of the stable of propons operation and even car load use.
The form that mainly adopts swivel coupling that is connected of quarry tipper swing arm and front axle mainly contains following two kinds of versions: a kind of is that the oscillating bearing of employing standard connects; Another kind is to adopt substandand ball head bearing structure to connect.And the oscillating bearing of the standard of employing, due to propons stress form more complicated, the oscillating bearing of standard can't meet its load bearing requirements due to the large-scale mine dumping car, the type selecting difficulty; And the substandand bulb bearing that adopts in more existing technology, outside race is split left and right formula structure, and what due to upper A type arm, outside race is applied is mainly compression effort, makes bearing load carrying capacity limited, and service life is on the low side; And dismounting, installation, lubricated.The aspects such as adjustment all exist difficulty.
Summary of the invention
In view of this, the present invention passes through to adopt upper and lower split type bearing, and by the head bearing outer ring of global formation, bears compression effort, is improving load-carrying capacity in convenient the installation.
For achieving the above object, concrete technical scheme is as follows:
on the one hand, the connection structure of a kind of swing arm and front axle is provided, one end of described front axle is provided with ball end, one end of described swing arm is provided with bearing mounting hole, be provided with bearing in described bearing mounting hole, the outside face of described ball end coordinates with the inside face swivel coupling of described bearing, described bearing comprises head bearing outer ring and the lower bearing outer ring that complements each other to form ball recess, described head bearing outer ring and lower bearing outer ring are located in described bearing mounting hole on outside direction successively in described bearing mounting hole, described head bearing outer ring global formation, the line of centers of described head bearing outer ring is parallel with the line of centers of described bearing mounting hole.
Preferably, described lower bearing outer ring is coordinated and is formed by left and right split, and the line of centers of the left and right split of described lower bearing outer ring is vertical with the line of centers of described head bearing outer ring.
Preferably, described head bearing outer ring and described bearing mounting hole transition fit.
Preferably, described lower bearing outer ring and described bearing mounting hole transition fit.
Preferably, the outer rim of described lower bearing outer ring also is provided with step, and the step of described lower bearing outer ring is connected with the lower surface of described bearing mounting hole by bolt.
Preferably, also be provided with the accent feeler between the lower surface of the step of described lower bearing outer ring and described bearing mounting hole.
Preferably, the outside face of the inside face of described bearing mounting hole and described bearing is shaped as cylinder.
Preferably, also be provided with crossed oil grooves on the inside face of described bearing.
Preferably, also be provided with the tapped bore that communicates with described head bearing outer ring on described bearing mounting hole.
On the other hand, also provide a kind of quarry tipper, comprised the connection structure of swing arm as above and front axle.
With respect to prior art, the advantage of technical scheme of the present invention has:
1, the ball head bearing outer-ring that adopts is the two-piece unit formula, and the head bearing outer ring is integral type, and is simple and practical, improved load-carrying capacity;
2, at A type arm, i.e. the bearing mounting hole of swing arm and head bearing outer ring joint are designed with the craft thread hole, facilitate the dismounting of bearing;
3, be designed with crossed oil grooves and oil resevoir on upper and lower outside race, strengthen the lubricity of bearing, improve bearing life;
4, the lower bearing outer ring is designed to left and right split type, plays simultaneously the outside race baffle effect, simple and practical, and be easy to install;
5, be provided with the accent feeler between A type arm and lower bearing outer ring, adjust the upper and lower outer ring gap of bearing, make the bearing assembly quality of fit higher, improve the service life of bearing.
Description of drawings
The accompanying drawing that forms a part of the present invention is used to provide a further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not form improper restriction of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of the embodiment of the present invention;
Fig. 2 is the structure for amplifying schematic diagram of the local I of the embodiment of the present invention;
Fig. 3 is the structural representation of the crossed oil grooves of the embodiment of the present invention.
Wherein, 1 is that front axle, 2 is that ball end, 3 is that swing arm, 4 is that bearing mounting hole, 5 is that bearing, 6 is that head bearing outer ring, 7 is that lower bearing outer ring, 8 is that accent feeler, 9 is that mounting flange, 10 is that tapped bore, 11 is crossed oil grooves.
The specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills, not making under the creative work prerequisite the every other embodiment that obtains, belong to the scope of protection of the invention.
Need to prove, in the situation that do not conflict, embodiment and the feature in embodiment in the present invention can make up mutually.
Below with reference to accompanying drawing, embodiments of the invention are done concrete explaination.
A kind of swing arm of embodiments of the invention and the connection structure of front axle as shown in Figure 1, an end of front axle 1 is provided with ball end 2.One end of swing arm 3 is provided with bearing mounting hole 4.Be provided with bearing 5 in bearing mounting hole 4.The outside face of ball end 2 coordinates with the inside face swivel coupling of bearing 5.
Because head bearing outer ring 6 is located in bearing mounting hole 4, line of centers is parallel with the line of centers of bearing mounting hole 4, and bearing mounting hole 4 is mainly born by the head bearing outer ring 6 of global formation to the compression effort that bearing 5 applies, thereby has improved load-carrying capacity.
Embodiments of the invention pass through to adopt upper and lower split type bearing, and by the head bearing outer ring of global formation, bear compression effort, are improving load-carrying capacity in convenient the installation.
As shown in Figure 1, in an embodiment of the present invention, the bindiny mechanism of swing arm and front axle mainly is comprised of head bearing outer ring 6, lower bearing outer ring 7, accent feeler 8, ball end 2, ball end mounting flange 9.A type arm, i.e. swing arm 3 is provided with bearing mounting hole 4.And combination as shown in Figure 2, and bearing mounting hole 4 is staged, and the hole upper diameter is less than the hole lower diameter.
Lower bearing outer ring 7 is the split left and right formula, its outside face and swing arm 3 bearing mounting hole 4 bottom transition fit.Transfer feeler 8 to be installed between the step of swing arm 3 bearing mounting hole 4 lower surfaces and lower bearing outer ring 7, with bolt, lower bearing outer ring 7 is fixed in swing arm 3, head bearing outer ring 7 coordinates with ball end 2 outside face swivel couplings with the inside face of lower bearing outer ring 6, mounting flange 9 is welded as a whole with ball end 2, and bolt is used mounting flange 9 is fixed on front axle 1.As shown in Figure 3, the spherical inside surface of bearing 5 is provided with crossed oil grooves 11 and oil resevoir, plays grease and flows and the oil storage effect.
During installation, first head bearing outer ring 6 is installed in swing arm 3 bearing mounting holes 4, lower bearing outer ring 7 is installed, and use bolt tightening, fit fully in assurance 6 lower surfaces, head bearing outer ring and 7 upper surfaces, lower bearing outer ring, the gap between bearing mounting hole 4 lower surfaces of measurement lower bearing outer ring 7 steps and swing arm 3.Dismantle again lower bearing outer ring 7, according to the suitable accent feeler 8 of Interval selecting that front is surveyed, mounting flange 9 and the spherical outer surface of the integral body of ball end 2 compositions and the spherical inside surface of head bearing outer ring 6 are assembled, the accent feeler 8 of choosing before installing, lower bearing outer ring 7 is arranged in swing arm 3, finally ball end 2 assemblies is arranged on front axle 1 assembly.Swing arm 3 upper ends are designed with the craft thread hole, during dismounting, can fill a bolt with its coupling, facilitate the dismounting of head bearing outer ring 6.
Also comprise a kind of quarry tipper in embodiments of the invention, be provided with the connection structure of swing arm described above and front axle.Because the connection structure of above-mentioned swing arm and front axle has above-mentioned technique effect, therefore, the quarry tipper that is provided with the connection structure of this swing arm and front axle also should possess corresponding technique effect, and its specific implementation process is similar to the above embodiments, does not hereby repeat.
Above specific embodiments of the invention are described in detail, but it is just as example, the present invention is not restricted to specific embodiment described above.To those skilled in the art, any equivalent modifications that the present invention is carried out and substituting also all among category of the present invention.Therefore, impartial conversion and the modification done without departing from the spirit and scope of the invention, all should contain within the scope of the invention.
Claims (10)
1. the connection structure of a swing arm and front axle, one end of described front axle (1) is provided with ball end (3), one end of described swing arm (3) is provided with bearing mounting hole (4), be provided with bearing (5) in described bearing mounting hole (4), the outside face of described ball end (3) coordinates with the inside face swivel coupling of described bearing (5), it is characterized in that, described bearing (5) comprises head bearing outer ring (6) and lower bearing outer ring (7) that complement each other to form ball recess, described head bearing outer ring (6) and lower bearing outer ring (7) are located in described bearing mounting hole (4) on outside direction successively in described bearing mounting hole (4), described head bearing outer ring (6) global formation, the line of centers of described head bearing outer ring (6) is parallel with the line of centers of described bearing mounting hole (4).
2. the connection structure of swing arm as claimed in claim 1 and front axle, it is characterized in that, described lower bearing outer ring (7) is coordinated and is formed by left and right split, and the line of centers of the left and right split of described lower bearing outer ring (7) is vertical with the line of centers of described head bearing outer ring (6).
3. the connection structure of swing arm as claimed in claim 2 and front axle, is characterized in that, described head bearing outer ring (6) and described bearing mounting hole (4) transition fit.
4. the connection structure of swing arm as claimed in claim 3 and front axle, is characterized in that, described lower bearing outer ring (7) and described bearing mounting hole (4) transition fit.
5. the connection structure of swing arm as claimed in claim 4 and front axle, is characterized in that, the outer rim of described lower bearing outer ring (7) also is provided with step, and the step of described lower bearing outer ring (7) is connected with the lower surface of described bearing mounting hole (4) by bolt.
6. the connection structure of swing arm as claimed in claim 5 and front axle, is characterized in that, also is provided with between the lower surface of the step of described lower bearing outer ring (7) and described bearing mounting hole (4) and transfers feeler (8).
7. the connection structure of swing arm as claimed in claim 6 and front axle, is characterized in that, the outside face of the inside face of described bearing mounting hole (4) and described bearing (5) be shaped as cylinder.
8. the connection structure of swing arm as claimed in claim 7 and front axle, is characterized in that, also is provided with crossed oil grooves (11) on the inside face of described bearing (5).
9. the connection structure of swing arm as claimed in claim 8 and front axle, is characterized in that, also is provided with the tapped bore (10) that communicates with described head bearing outer ring (6) on described bearing mounting hole (4).
10. a quarry tipper, is characterized in that, comprises the connection structure of swing arm as described in claim 1 to 9 any one and front axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310349208XA CN103395350A (en) | 2013-08-12 | 2013-08-12 | Connecting structure for swing arm and front axle and mining dump truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310349208XA CN103395350A (en) | 2013-08-12 | 2013-08-12 | Connecting structure for swing arm and front axle and mining dump truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103395350A true CN103395350A (en) | 2013-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310349208XA Pending CN103395350A (en) | 2013-08-12 | 2013-08-12 | Connecting structure for swing arm and front axle and mining dump truck |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104085262A (en) * | 2014-07-24 | 2014-10-08 | 三一矿机有限公司 | Connecting structure of swinging arm and front axle and mining dump truck |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB482332A (en) * | 1936-09-30 | 1938-03-28 | John Wycliffe Leighton | Improvements in wheel suspensions for vehicles |
| GB645627A (en) * | 1948-03-16 | 1950-11-01 | Alford & Alder Engineers Ltd | Improvements in or relating to vehicle steering-wheel suspensions |
| JP2000304029A (en) * | 1999-04-21 | 2000-10-31 | Tokai Rubber Ind Ltd | Ball joint |
| CN201784425U (en) * | 2010-03-31 | 2011-04-06 | 三一重机有限公司 | Front axle of large-size electric-wheel self-dumping mining truck |
| CN102085784A (en) * | 2009-12-04 | 2011-06-08 | 现代自动车株式会社 | Suspension arm |
-
2013
- 2013-08-12 CN CN201310349208XA patent/CN103395350A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB482332A (en) * | 1936-09-30 | 1938-03-28 | John Wycliffe Leighton | Improvements in wheel suspensions for vehicles |
| GB645627A (en) * | 1948-03-16 | 1950-11-01 | Alford & Alder Engineers Ltd | Improvements in or relating to vehicle steering-wheel suspensions |
| JP2000304029A (en) * | 1999-04-21 | 2000-10-31 | Tokai Rubber Ind Ltd | Ball joint |
| CN102085784A (en) * | 2009-12-04 | 2011-06-08 | 现代自动车株式会社 | Suspension arm |
| CN201784425U (en) * | 2010-03-31 | 2011-04-06 | 三一重机有限公司 | Front axle of large-size electric-wheel self-dumping mining truck |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104085262A (en) * | 2014-07-24 | 2014-10-08 | 三一矿机有限公司 | Connecting structure of swinging arm and front axle and mining dump truck |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20151112 Address after: 110000, No. 25, development road, Shenyang economic and Technological Development Zone, Liaoning Applicant after: Sany Heavy Equipment Co.,Ltd. Address before: 215300 18 building, No. 9999 Lake Road, Kunshan Development Zone, Jiangsu, Suzhou Applicant before: Sany Mining Machinery Co., Ltd. |
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| AD01 | Patent right deemed abandoned | ||
| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20170329 |