CN103802633A - Rear suspension system for wide-body dumper - Google Patents

Rear suspension system for wide-body dumper Download PDF

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Publication number
CN103802633A
CN103802633A CN201410081634.4A CN201410081634A CN103802633A CN 103802633 A CN103802633 A CN 103802633A CN 201410081634 A CN201410081634 A CN 201410081634A CN 103802633 A CN103802633 A CN 103802633A
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China
Prior art keywords
ring
balance shaft
oil seal
equalizing
suspension system
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Granted
Application number
CN201410081634.4A
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Chinese (zh)
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CN103802633B (en
Inventor
王宝启
朱广岗
王同龙
李学山
鲁海宁
李辉
宋丽
王超
胡德平
鲁蓬霞
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Shandong Pengxiang Automobile Co Ltd
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Shandong Pengxiang Automobile Co Ltd
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Publication of CN103802633A publication Critical patent/CN103802633A/en
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Publication of CN103802633B publication Critical patent/CN103802633B/en
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Abstract

The invention discloses a rear suspension system for a wide-body dumper and belongs to the technical field of non-railway dumpers. The rear suspension system is characterized in that a balancing suspension bracket is connected with a frame through a traction frame, a rear suspension cylinder and a transverse pull rod, and thus the balancing suspension bracket can be ensured to only move in the vertical direction and the force borne by the balancing suspension bracket is transferred to the frame; an intermediate axle and a rear axle are connected with the balancing suspension bracket through a front longitudinal pull rod, a rear longitudinal pull rod, a balance beam, a front transverse pull rod and a rear transverse pull rod, so that forces borne by the intermediate axle and rear axle can be ensured to be transferred to the balancing suspension bracket and the force borne by the intermediate axle is ensured to be equal to that borne by the rear axle; the rear suspension cylinder is fixed by the pressing force of a locking nut instead of interference fit, and thus the convenience for mounting is realized. Compared with a steel plate spring structure, the structure adopted by the rear suspension system has the advantages that the bearing capacity of the suspension cylinder is greater than that of a steel plate spring; in addition, no friction pair exists in the whole system, so that the difficulty that the current wide-body dumper is difficult to develop towards a large tonnage due to high suspension fault rate can be solved.

Description

A kind of rear suspension system of wide dumper
Technical field:
The present invention relates to haul truck technical field, is a kind of rear suspension system of wide dumper specifically.
Technical background:
The rear suspension system of wide dumper generally adopts steel spring structure at present, is subject to the restriction of its structure, and its maximum total mass general control, 60 tons of left and right, be difficult to toward large-tonnage development, and the fault rate of steel spring is higher, affects operating efficiency.
Summary of the invention:
The object of the invention is to overcome the deficiency of above-mentioned prior art, a kind of wide dumper rear suspension system is provided, to reduce rear-mounted fault rate, simultaneously for wide dumper provides a brand-new platform toward large-tonnage development.
Technical scheme of the present invention is: a kind of rear suspension system of wide dumper, its special character is, it is by vehicle frame, jackshaft, equalizing bar, front lateral connecting rod, drawbar frame, front longitudinal tie, balance shaft, Rear suspended cylinder, equalizing suspension system support, suspension cylinder upper pin, rear lateral connecting rod, back axle, rear longitudinal tie, lateral connecting rod, inner oil seal seat ring, inner oil seal, neck bearing inner ring, neck bearing outer ring, outer bearing outer ring, outer bearing inner ring, outer oil seal, outer oil seal seat ring, seat ring, pin, jam nut, outside race, back-up ring, bearing inner ring, outer locking nut, locking plate, pressure ring, internal locking nut composition,
Described vehicle frame is connected with drawbar frame, and drawbar frame is fixedly connected with equalizing suspension system support, and equalizing suspension system support is fixedly connected with balance shaft; Vehicle frame is fixedly connected with suspension cylinder upper pin; The upper and lower two ends of Rear suspended cylinder are connected with suspension cylinder upper pin and balance shaft respectively; Lateral connecting rod two ends are connected with balance suspension holdfast respectively at suspension cylinder upper pin;
On described balance shaft, establish inner oil seal seat ring and neck bearing inner ring, the two and balance shaft interference fit, end face of neck bearing inner ring is pressed on inner oil seal seat ring; Outer oil seal seat ring and outer bearing inner ring and balance shaft interference fit, end face of outer bearing inner ring is pressed on inner oil seal seat ring; On balance shaft, establish equalizing bar, equalizing bar rotates around balance shaft; Neck bearing outer ring and outer bearing outer ring and equalizing bar interference fit; Between inner oil seal seat ring and equalizing bar, establish inner oil seal, establish outer oil seal outside between oil sealing seat ring and equalizing bar, seat ring one end face is pressed on outer oil seal seat ring, and is connected with balance shaft by pin, and jam nut is connected with balance shaft, and is fixedly connected with seat ring;
Described jackshaft left and right sides mounting means symmetry, its lower end is connected with equalizing bar, and upper end is connected with equalizing suspension system support by front longitudinal tie, and is connected with equalizing suspension system support by front lateral connecting rod; Described back axle left and right sides mounting means symmetry, its lower end is connected with equalizing bar, and upper end is connected with equalizing suspension system support by rear longitudinal tie, and is connected with equalizing suspension system support by rear lateral connecting rod;
Described outside race and Rear suspended cylinder lower end interference fit, and fix by back-up ring; Described bearing inner ring and balance shaft free-running fit, pressure ring one end face contacts with bearing inner ring; Internal locking nut is connected with balance shaft, and the projection of locking plate inner ring is stuck in the keyway of balance shaft, and the locking plate of outer ring is embedded in the indentation, there of internal locking nut and outer locking nut.
Compared with the prior art the rear suspension system of a kind of wide dumper of the present invention has outstanding substantive distinguishing features and marked improvement: 1, adopt equalizing suspension system support to be connected with vehicle frame by drawbar frame, Rear suspended cylinder, lateral connecting rod, assurance equalizing suspension system can only be moved in vertical direction, and the power that equalizing suspension system support is subject to passes to vehicle frame; 2, adopt jackshaft, back axle to be connected with equalizing suspension system support by front longitudinal tie, rear longitudinal tie, equalizing bar, front lateral connecting rod, rear lateral connecting rod, the power that in assurance, back axle is subject to can pass to equalizing suspension system support, and in guaranteeing, back axle is stressed equal; 3, Rear suspended cylinder is fixed by the thrust of jam nut, but not by interference fit, is convenient to install; 4, the load-carrying capacity of suspension cylinder is large, and does not have friction pair in whole system, can effectively reduce rear-mounted fault rate, simultaneously for development large-tonnage wide dumper provides new platform.
Accompanying drawing explanation:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the birds-eye view of Fig. 1;
Fig. 3 is the A-A cutaway view in Fig. 1;
Fig. 4 is the enlarged drawing of I part in Fig. 3.
Rear longitudinal tie 17 lateral connecting rod 18 inner oil seal seat ring 19 inner oil seal 20 neck bearing inner ring 21 neck bearing outer ring 22 outer bearing outer ring 23 outer bearing inner ring 24 outer oil seal 25 outer oil seal seat ring 26 seat rings 27 of 1 vehicle frame 2 bearing pin front bearing pin front lateral connecting rod front longitudinal tie 9 balance shaft 10 Rear suspended cylinder 11 equalizing suspension system support rear lateral connecting rod 14 rear pin shaft 15 back axle 16 of 12 suspension cylinder upper pin 13 of 7 drawbar frame 8 of 5 equalizing bar 6 of 3 jackshaft 4 are sold 28 jam nut 29 outside race 30 back-up ring 31 bearing inner ring 32 outer locking nut 33 locking plate 34 pressure ring 35 internal locking nuts.
The specific embodiment:
For Comprehension and Implementation better, provide specific embodiment below in conjunction with accompanying drawing and describe the present invention in detail; Illustrated embodiment, only for explaining the present invention, is not intended to limit scope of the present invention.
Embodiment 1, referring to Fig. 1,3, is connected with vehicle frame 1 drawbar frame 7 by designing requirement by bearing pin 2 and ball pivot, together with drawbar frame 7 passes through bolted with equalizing suspension system support 11, and balance shaft 9 and equalizing suspension system support 11 weld togethers; Suspension cylinder upper pin 12 and vehicle frame 1 weld together; Rear suspended cylinder is connected with suspension cylinder upper pin 12 and balance shaft 9 respectively by ball pivot at two ends Shang Xia 10, lateral connecting rod 17 two ends are connected with balance suspension holdfast 11 respectively at suspension cylinder upper pin 12 by bolt, the side-to-side movement of limiting balance suspension holdfast 11, can guarantee under the effect of gravity, equalizing suspension system support 11 can only move in vertical direction, and by Rear suspended cylinder 10 buffering vibrations;
Referring to Fig. 4, by inner oil seal seat ring 18 and balance shaft 9 interference fit, neck bearing inner ring 20 and balance shaft 9 interference fit, 20 1 end faces of neck bearing inner ring are pressed on inner oil seal seat ring 18; Equalizing bar 5 is installed on balance shaft 9, and equalizing bar 5 rotates around balance shaft 9; By neck bearing outer ring 21 and equalizing bar 5 interference fit, outer oil seal seat ring 25 and balance shaft 9 interference fit, outer bearing inner ring 23 and balance shaft 9 interference fit, 23 1 end faces of outer bearing inner ring are pressed on inner oil seal seat ring 18; By outer bearing outer ring 22 and equalizing bar 5 interference fit, can allow equalizing bar 5 to rotate around balance shaft 9; Inner oil seal 19 is contained between inner oil seal seat ring 18 and equalizing bar 5, outer oil seal 24 is contained between outer oil seal seat ring 25 and equalizing bar 5, thereby make to form a confined space between inner oil seal seat ring 18, outer oil seal seat ring 25, balance shaft 9 and equalizing bar 5, avoid oil leakage for bearing provides lubricating oil; Seat ring 26 1 end faces are pressed on outer oil seal seat ring 25, and are connected with balance shaft 9 by pin 27; With being threaded, and fixing by bolt and seat ring 26 between jam nut 28 and balance shaft 9, guarantee above-mentioned parts close contact in the axial direction, and can prevent from becoming flexible;
Referring to Fig. 1,2, jackshaft 3 left and right sides mounting means symmetries, are example take left side, and lower end is connected with equalizing bar 5 by front bearing pin 4 and ball pivot, and upper end is connected with equalizing suspension system support 11 by front longitudinal tie 8; Jackshaft 3 is connected with equalizing suspension system support 11 by front lateral connecting rod 6; Equally, back axle 15 left and right sides mounting means symmetries, are example take left side, and lower end is connected with equalizing bar 5 by rear pin shaft 14 and ball pivot, and upper end is connected with equalizing suspension system support 11 by rear longitudinal tie 16; Back axle 15 is connected with equalizing suspension system support 11 by rear lateral connecting rod 13, and during this structure allows, back axle can be around balance shaft 9 Small-angle Rotations, can balance in the load of back axle, in assurance, the load of back axle is identical;
Referring to Fig. 4, by outside race 29 and Rear suspended cylinder 10 lower end interference fit, and fixing by back-up ring 30; By bearing inner ring 31 and balance shaft 9 free-running fits, pressure ring 34 1 end faces contact with bearing inner ring 31; Internal locking nut 35 is connected with balance shaft 9 by screw thread, and the inner ring projection of locking plate 33 is stuck in the keyway of balance shaft 9, and the locking plate of outer ring is embedded in the indentation, there of internal locking nut 35 and outer locking nut 32; This structure is to limit the rotation of bearing inner ring 31 by the friction force between friction force and bearing inner ring 31 and balance shaft 9 between bearing inner ring 31 and pressure ring 34 and Rear suspended cylinder 10, but not by the interference fit between bearing inner ring 31 and balance shaft 9, is convenient to dismounting.
The rear suspension system of a kind of wide dumper of the present invention, principle of work: 1, by the left and right displacement of lateral connecting rod limiting balance suspension holdfast and middle back axle, and by equalizing bar and longitudinal tie transmission of drive force; 2, when car load changes, equalizing suspension system support, with respect to vehicle frame up-and-down movement, bears vertical load by Rear suspended cylinder, and middle back axle relative position is constant; 3,, in the time of Uneven road, if when back axle moves downward, make jackshaft upward movement by equalizing bar, thereby in guaranteeing, the load of back axle is basic identical.

Claims (1)

1. the rear suspension system of a wide dumper, it is characterized in that, it is by vehicle frame (1), jackshaft (3), equalizing bar (5), front lateral connecting rod (6), drawbar frame (7), front longitudinal tie (8), balance shaft (9), Rear suspended cylinder (10), equalizing suspension system support (11), suspension cylinder upper pin (12), rear lateral connecting rod (13), back axle (15), rear longitudinal tie (16), lateral connecting rod (17), inner oil seal seat ring (18), inner oil seal (19), neck bearing inner ring (20), neck bearing outer ring (21), outer bearing outer ring (22), outer bearing inner ring (23), outer oil seal (24), outer oil seal seat ring (25), seat ring (26), pin (27), jam nut (28), outside race (29), back-up ring (30), bearing inner ring (31), outer locking nut (32), locking plate (33), pressure ring (34), internal locking nut (35) composition,
Described vehicle frame (1) is connected with drawbar frame (7), and drawbar frame (7) is fixedly connected with equalizing suspension system support (11), and equalizing suspension system support (11) is fixedly connected with balance shaft (9); Vehicle frame (1) is fixedly connected with suspension cylinder upper pin (12); The upper and lower two ends of Rear suspended cylinder (10) are connected with suspension cylinder upper pin (12) and balance shaft (9) respectively; Lateral connecting rod (17) two ends are connected with suspension cylinder upper pin (12) and balance suspension holdfast (11) respectively;
On described balance shaft (9), establish inner oil seal seat ring (18) and neck bearing inner ring (20), the two and balance shaft (9) interference fit, (20) end faces of neck bearing inner ring are pressed on inner oil seal seat ring (18); Outer oil seal seat ring (25) and outer bearing inner ring (23) and balance shaft (9) interference fit, (23) end faces of outer bearing inner ring are pressed on inner oil seal seat ring (18); On balance shaft (9), establish equalizing bar (5), equalizing bar (5) rotates around balance shaft (9); Neck bearing outer ring (21) and outer bearing outer ring (22) and equalizing bar (5) interference fit; Between inner oil seal seat ring (18) and equalizing bar (5), establish inner oil seal (19), between oil sealing seat ring (25) and equalizing bar (5), establish outer oil seal (24) outside, seat ring (26) one end faces are pressed on outer oil seal seat ring (25), and be connected with balance shaft (9) by pin (27), jam nut (28) is connected with balance shaft (9), and is fixedly connected with seat ring (26);
Described jackshaft (3) left and right sides mounting means symmetry, its lower end is connected with equalizing bar (5), and upper end is connected with equalizing suspension system support (11) by front longitudinal tie (8), and is connected with equalizing suspension system support (11) by front lateral connecting rod (6); Described back axle (15) left and right sides mounting means symmetry, its lower end is connected with equalizing bar (5), and upper end is connected with equalizing suspension system support (11) by rear longitudinal tie (16), and is connected with equalizing suspension system support (11) by rear lateral connecting rod (13);
Described outside race (29) and Rear suspended cylinder (10) lower end interference fit, and fixing by back-up ring (30); Described bearing inner ring (31) and balance shaft (9) free-running fit, pressure ring (34) one end faces contact with bearing inner ring (31); Internal locking nut (35) is connected with balance shaft (9), and the projection of locking plate (33) inner ring is stuck in the keyway of balance shaft (9), and the locking plate of outer ring is embedded in the indentation, there of internal locking nut (35) and outer locking nut (32).
CN201410081634.4A 2014-03-07 2014-03-07 A kind of rear suspension system of wide dumper Active CN103802633B (en)

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CN201410081634.4A CN103802633B (en) 2014-03-07 2014-03-07 A kind of rear suspension system of wide dumper

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Application Number Priority Date Filing Date Title
CN201410081634.4A CN103802633B (en) 2014-03-07 2014-03-07 A kind of rear suspension system of wide dumper

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CN103802633A true CN103802633A (en) 2014-05-21
CN103802633B CN103802633B (en) 2015-11-25

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107554225A (en) * 2017-09-04 2018-01-09 紫程(宁波)电动重型卡车有限公司 Rear suspension system and dumper

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4084838A (en) * 1976-05-24 1978-04-18 Ford Motor Company Motor vehicle rear axle suspension
EP1372992B1 (en) * 2001-03-23 2008-10-08 MAGNA STEYR Fahrzeugtechnik AG & Co KG Rear-axle suspension for motor vehicles involving the use of longitudinal and transverse links
CN202213465U (en) * 2011-09-15 2012-05-09 陕西重型汽车有限公司 Triple-bridge air spring and steel plate spring balanced suspension for automobile
CN102529633A (en) * 2012-01-16 2012-07-04 河南科技大学 Longitudinal force transfer mechanism for balancing suspension of heavy-duty mining hinged dumper
CN202413343U (en) * 2011-09-02 2012-09-05 沈阳北方交通重工有限公司 Dual-drive axle balanced suspension device for chassis special for automobile hoist
CN202448706U (en) * 2012-03-07 2012-09-26 上汽依维柯红岩商用车有限公司 Connecting structure for connecting intermediate axle and rear axle on frames
CN102935793A (en) * 2011-08-16 2013-02-20 武汉德联重工有限公司 Chassis structure of intermediate/rear axle oil gas suspension cylinder balanced suspension
CN203752826U (en) * 2014-03-07 2014-08-06 山东蓬翔汽车有限公司 Rear suspension system of wide-body dump truck

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4084838A (en) * 1976-05-24 1978-04-18 Ford Motor Company Motor vehicle rear axle suspension
EP1372992B1 (en) * 2001-03-23 2008-10-08 MAGNA STEYR Fahrzeugtechnik AG & Co KG Rear-axle suspension for motor vehicles involving the use of longitudinal and transverse links
CN102935793A (en) * 2011-08-16 2013-02-20 武汉德联重工有限公司 Chassis structure of intermediate/rear axle oil gas suspension cylinder balanced suspension
CN202413343U (en) * 2011-09-02 2012-09-05 沈阳北方交通重工有限公司 Dual-drive axle balanced suspension device for chassis special for automobile hoist
CN202213465U (en) * 2011-09-15 2012-05-09 陕西重型汽车有限公司 Triple-bridge air spring and steel plate spring balanced suspension for automobile
CN102529633A (en) * 2012-01-16 2012-07-04 河南科技大学 Longitudinal force transfer mechanism for balancing suspension of heavy-duty mining hinged dumper
CN202448706U (en) * 2012-03-07 2012-09-26 上汽依维柯红岩商用车有限公司 Connecting structure for connecting intermediate axle and rear axle on frames
CN203752826U (en) * 2014-03-07 2014-08-06 山东蓬翔汽车有限公司 Rear suspension system of wide-body dump truck

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107554225A (en) * 2017-09-04 2018-01-09 紫程(宁波)电动重型卡车有限公司 Rear suspension system and dumper

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