CN111942091B - Leaf spring balance suspension system matched with disc brake - Google Patents

Leaf spring balance suspension system matched with disc brake Download PDF

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Publication number
CN111942091B
CN111942091B CN202010762046.2A CN202010762046A CN111942091B CN 111942091 B CN111942091 B CN 111942091B CN 202010762046 A CN202010762046 A CN 202010762046A CN 111942091 B CN111942091 B CN 111942091B
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China
Prior art keywords
axle
rear axle
fixedly connected
thrust rod
shaped
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CN111942091A (en
Inventor
周生权
范培斌
彭显威
王江伟
杜笑晨
邓杰
辛梓田
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Dongfeng Commercial Vehicle Co Ltd
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Dongfeng Commercial Vehicle Co Ltd
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Priority to CN202010762046.2A priority Critical patent/CN111942091B/en
Publication of CN111942091A publication Critical patent/CN111942091A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G11/00Resilient suspensions characterised by arrangement, location or kind of springs
    • B60G11/02Resilient suspensions characterised by arrangement, location or kind of springs having leaf springs only
    • B60G11/04Resilient suspensions characterised by arrangement, location or kind of springs having leaf springs only arranged substantially parallel to the longitudinal axis of the vehicle
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G11/00Resilient suspensions characterised by arrangement, location or kind of springs
    • B60G11/02Resilient suspensions characterised by arrangement, location or kind of springs having leaf springs only
    • B60G11/10Resilient suspensions characterised by arrangement, location or kind of springs having leaf springs only characterised by means specially adapted for attaching the spring to axle or sprung part of the vehicle
    • B60G11/113Mountings on the axle
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G13/00Resilient suspensions characterised by arrangement, location or type of vibration dampers
    • B60G13/001Arrangements for attachment of dampers
    • B60G13/005Arrangements for attachment of dampers characterised by the mounting on the axle or suspension arm of the damper unit
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G21/00Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
    • B60G21/02Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
    • B60G21/04Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically
    • B60G21/045Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically between wheels on different axles on the same side of the vehicle, i.e. the left or the right side

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

The invention discloses a leaf spring balanced suspension system matched with a disc brake, which is characterized in that: the two-axle V-shaped thrust rod type double-axle balance bearing hub comprises two balance bearing hub support assemblies, two steel plate springs with cover plates on the upper end faces of the middle portions, and U-shaped bolts, wherein the two steel plate springs are fixed on the two balance bearing hub support assemblies through the U-shaped bolts respectively, limiting mechanisms are arranged at the two ends of the two steel plate springs respectively, the double-axle V-shaped thrust rod type double-axle balance bearing hub further comprises two shock absorbers, a middle axle V-shaped thrust rod, a rear axle V-shaped thrust rod, two middle axle lower thrust rods, two rear axle lower thrust rods, two shock absorber upper supports, a middle axle connecting support, a rear axle connecting support and two V-shaped thrust rod supports. The invention solves the problem of inconvenient installation of the brake caliper and the shock absorber, and ensures that the balanced suspension system can be matched with the disc brake and the shock absorber simultaneously; the assembly efficiency is greatly improved, the safety of the automobile is enhanced, the structure is simplified, and the space is saved.

Description

Leaf spring balance suspension system matched with disc brake
Technical Field
The invention relates to the technical field of a leaf spring balanced suspension, in particular to a leaf spring balanced suspension system matched with a disc brake.
Background
At present, firstly, in the existing assembly process, the brake caliper can be assembled only after the limiting mechanism is welded on the axle housing, in the process of assembling the brake caliper, a fastening bolt of the brake caliper is blocked by the limiting mechanism to form an assembly space, so that an assembly worker cannot tighten the fastening bolt by using an air gun and only can manually tighten the fastening bolt by using a wrench, the field assembly efficiency is extremely low, meanwhile, the operation space at the position is small, and after the assembly is finished, a torque wrench cannot be used for detecting the torque, so that the torque requirement of the fastening bolt cannot be ensured; secondly, the existing disc brake chamber is fixed at the front end of the middle axle through a brake caliper, so that when the shock absorber is assembled, the shock absorber and the disc brake chamber directly interfere with each other, and the installation is inconvenient.
Disclosure of Invention
The invention aims to overcome the defects and provide the steel plate spring balanced suspension system matched with the disc brake, which has the advantages of simple structure, convenience in assembly and strong universality.
The invention is realized by the following steps: the leaf spring balanced suspension system who matches disc brake, its characterized in that: the automobile rear axle suspension device comprises two balance bearing hub bracket assemblies, two steel plate springs and a U-shaped bolt, wherein the lower ends of the two balance bearing hub bracket assemblies are fixedly connected through a balance bearing hub connecting bracket, the upper end surfaces of the middle parts of the two steel plate springs are respectively provided with a cover plate, the two steel plate springs are respectively fixed on the two balance bearing hub bracket assemblies through the U-shaped bolt, two limiting mechanisms are respectively arranged at the two ends of the two steel plate springs, the automobile rear axle suspension device also comprises two vibration absorbers, a middle axle V-shaped thrust rod, two middle axle lower thrust rods, two rear axle lower thrust rods, two vibration absorber upper brackets, a middle axle connecting bracket, a rear axle connecting bracket and two V-shaped thrust rod brackets, the upper ends of the two vibration absorbers are respectively fixed on the inner side of an automobile frame through the vibration absorber upper brackets, the lower ends of the two vibration absorbers are respectively fixedly connected with the two limiting mechanisms fixed on the automobile rear axle, one side of the middle axle V-shaped thrust rod is fixed on the automobile middle axle through the middle axle connecting bracket, two ends of the other side of the middle axle V-shaped thrust rod are respectively fixed on two V-shaped thrust rod supports, one side of the rear axle V-shaped thrust rod is fixed on a rear axle of the automobile through a rear axle connecting support, two ends of the other side of the rear axle V-shaped thrust rod are respectively fixed on the two V-shaped thrust rod supports, the two V-shaped thrust rod supports are fixedly connected with the frame, one ends of the two middle axle lower thrust rods are respectively fixedly connected with two limiting mechanisms fixed on the middle axle of the automobile, the other ends of the two middle axle lower thrust rods are respectively fixedly connected with two balanced bearing hub support assemblies, one ends of the two rear axle lower thrust rods are respectively fixedly connected with the two limiting mechanisms fixed on the rear axle of the automobile, and the other ends of the two rear axle lower thrust rods are respectively fixedly connected with the two balanced bearing hub support assemblies.
Stop gear is including the guide holder that is equipped with first locating pin and four first mounting holes, be equipped with first fixing base in first spacing hole, be equipped with the second fixing base of second locating pin, be equipped with mounting seat, four construction bolts of the spacing hole of second and four second mounting holes, first fixing base and second fixing base welding are on automobile axle housing, first fixing base up end is located to the guide holder, first locating pin is spacing with the cooperation of first spacing hole, the terminal surface under the second fixing base is located to the mounting seat, the second locating pin is spacing with the cooperation of the spacing hole of second, the guide holder passes through four construction bolt fixed connection with the mounting seat.
The limiting mechanism further comprises four spring washers, and the four spring washers are respectively arranged between the four mounting bolts and the mounting seat.
The lower ends of the two vibration absorbers are fixedly connected with the mounting seat.
And one ends of the two middle under-axle thrust rods are fixedly connected with the mounting seat.
And one ends of the two rear axle lower thrust rods are fixedly connected with the mounting seat.
When the limiting mechanism is assembled and used, the first fixing seat and the second fixing seat can be welded on the axle housing, and other parts of the limiting mechanism are installed in place after the brake caliper is installed and detected, so that the problem that the brake caliper is inconvenient to install is solved; the shock absorber is arranged at the front end of the rear axle and is positioned on the inner side of the frame, so that the problem of difficult arrangement of the shock absorber is solved, and a balanced suspension system can be matched with the disc brake and the shock absorber simultaneously; the automobile assembling device has the advantages that the assembling efficiency is greatly improved, the safety of an automobile is enhanced, the structure is simplified, the space is saved, the factory assembly and the after-sale maintenance and disassembly are facilitated, the manufacturing cost is low, and the automobile assembling device is easy to popularize.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an exploded view of the installation of the limiting mechanism and the axle housing.
Detailed Description
The invention is further described with reference to the following figures and examples.
Example (b): a steel plate spring balanced suspension system matched with a disc brake comprises two balanced bearing hub bracket assemblies 1, two steel plate springs 3 and U-shaped bolts 4, wherein the lower ends of the two balanced bearing hub bracket assemblies 1 are fixedly connected through a balanced bearing hub connecting bracket 15, the upper end surface of the middle part of each steel plate spring 3 is provided with a cover plate 2, the two steel plate springs 3 are respectively fixed on the two balanced bearing hub bracket assemblies 1 through the U-shaped bolts 4, two ends of each steel plate spring 3 are respectively provided with a limiting mechanism 5, the system also comprises two shock absorbers 6, a middle axle V-shaped thrust rod 7, a rear axle V-shaped thrust rod 8, two middle axle lower thrust rods 9, two rear axle lower thrust rods 10, two shock absorber upper brackets 11, a middle axle connecting bracket 12, a rear axle connecting bracket 13 and two V-shaped thrust rod brackets 14, the upper ends of the two shock absorbers 6 are respectively fixed on the inner side of a vehicle frame through the shock absorber upper brackets 11, and the lower ends of the two shock absorbers 6 are respectively fixedly connected with the two limiting mechanisms 5 fixed on a rear axle of a vehicle, one side of a middle axle V-shaped thrust rod 7 is fixed on an automobile middle axle through a middle axle connecting bracket 12, the other side two ends of the middle axle V-shaped thrust rod 7 are respectively fixed on two V-shaped thrust rod brackets 14, one side of a rear axle V-shaped thrust rod 8 is fixed on an automobile rear axle through a rear axle connecting bracket 13, the other side two ends of the rear axle V-shaped thrust rod 8 are respectively fixed on the two V-shaped thrust rod brackets 14, the two V-shaped thrust rod brackets 14 are fixedly connected with an automobile frame, one end of the two middle axle lower thrust rods 9 are respectively fixedly connected with two limiting mechanisms 5 fixed on the automobile middle axle, the other ends of the two middle axle lower thrust rods 9 are respectively fixedly connected with two balance bearing hub bracket assemblies 1, one end of the two rear axle lower thrust rods 10 are respectively fixedly connected with the two limiting mechanisms 5 fixed on the automobile rear axle, the other ends of the two rear axle lower thrust rods 10 are respectively fixedly connected with the two balance bearing hub bracket assemblies 1, the limiting mechanism 5 comprises a guide seat 5c provided with a first positioning pin 5a and four first mounting holes 5b, a first fixed seat 5e provided with a first limiting hole 5d, a second fixed seat 5g provided with a second positioning pin 5f, a mounting seat 5j provided with a second limiting hole 5h and four second mounting holes 5i, and four mounting bolts 5m, wherein the first fixed seat 5e and the second fixed seat 5g are welded on the automobile axle housing, the guide seat 5c is arranged on the upper end surface of the first fixed seat 5e, the first positioning pin 5a is matched and limited with the first limiting hole 5d, the mounting seat 5j is arranged on the lower end surface of the second fixed seat 5g, the second positioning pin 5f is matched and limited with the second limiting hole 5h, the four mounting bolts 5m sequentially penetrate through the four second mounting holes 5i and the four first mounting holes 5b to fixedly connect the guide seat 5c with the mounting seat 5j, the limiting mechanism 5 further comprises four spring washers 5k, the four spring washers 5k are respectively arranged between the four mounting bolts 5m and the mounting seat 5 j; the lower ends of the two shock absorbers 6 are fixedly connected with the mounting seat 5j, one ends of the two middle under-axle thrust rods 9 are fixedly connected with the mounting seat 5j, one ends of the two rear under-axle thrust rods 10 are fixedly connected with the mounting seat 5j, a rubber pad is arranged between the guide seat 5c and the first fixing seat 5e, and a rubber pad is arranged between the mounting seat 5j and the second fixing seat 5g and used for buffering the impact force of an axle to the frame, so that the comfort of the whole vehicle is greatly improved.
During assembly, the first fixing seat 5e and the second fixing seat 5g can be welded on the axle housing, and after the brake caliper is installed and detected, the guide seat 5c and the installation seat 5j are installed in place, so that the problem that the brake caliper is inconvenient to install is solved; the shock absorber 6 is arranged at the front end of the rear axle and is arranged on the inner side of the frame, so that the direct interference between the shock absorber and a disc brake chamber is avoided, and the problem that the shock absorber 6 is difficult to arrange is solved; the automobile assembling device has the advantages that the assembling efficiency is greatly improved, the safety of an automobile is enhanced, the structure is simplified, the space is saved, the factory assembly and the after-sale maintenance and disassembly are facilitated, the manufacturing cost is low, and the automobile assembling device is easy to popularize.

Claims (1)

1. The utility model provides a leaf spring balanced suspension system who matches disc brake which characterized in that: the two-axle suspension type vibration damper comprises two balance bearing hub bracket assemblies (1) with the lower ends fixedly connected through a balance bearing hub connecting bracket (15), two steel plate springs (3) with cover plates (2) arranged on the upper end surfaces of the middle parts, U-shaped bolts (4), two steel plate springs (3) respectively fixed on the two balance bearing hub bracket assemblies (1) through the U-shaped bolts (4), limiting mechanisms (5) respectively arranged at the two ends of the two steel plate springs (3), two vibration dampers (6), a middle axle V-shaped thrust rod (7), a rear axle V-shaped thrust rod (8), two middle axle lower thrust rods (9), two rear axle lower thrust rods (10), two vibration damper upper brackets (11), a middle axle connecting bracket (12), a rear axle connecting bracket (13) and two V-shaped thrust rod brackets (14), wherein the upper ends of the two vibration dampers (6) are fixed on the inner side of a vehicle frame through the vibration damper upper brackets (11), the lower ends of the two shock absorbers (6) are respectively fixedly connected with two limiting mechanisms (5) fixed on a rear axle of the automobile, one side of a V-shaped thrust rod (7) of the middle axle is fixed on the middle axle of the automobile through a middle axle connecting bracket (12), the two ends of the other side of the V-shaped thrust rod (7) of the middle axle are respectively fixed on two V-shaped thrust rod brackets (14), one side of a V-shaped thrust rod (8) of the rear axle is fixed on the rear axle of the automobile through a rear axle connecting bracket (13), the two ends of the other side of the V-shaped thrust rod (8) of the rear axle are respectively fixed on the two V-shaped thrust rod brackets (14), the two V-shaped thrust rod brackets (14) are fixedly connected with the frame, one ends of the two lower thrust rods (9) of the middle axle are respectively fixedly connected with the two limiting mechanisms (5) fixed on the middle axle of the automobile, and the other ends of the two lower thrust rods (9) of the middle axle are respectively fixedly connected with two balance bearing hub bracket assemblies (1), one end of each of the two rear axle lower thrust rods (10) is fixedly connected with two limiting mechanisms (5) fixed on the rear axle of the automobile respectively, the other end of each of the two rear axle lower thrust rods (10) is fixedly connected with two balance bearing hub bracket assemblies (1) respectively, each limiting mechanism (5) comprises a guide seat (5c) provided with a first positioning pin (5a) and four first mounting holes (5b), a first fixing seat (5e) provided with a first limiting hole (5d), a second fixing seat (5g) provided with a second positioning pin (5f), a mounting seat (5j) provided with a second limiting hole (5h) and four second mounting holes (5i), and four mounting bolts (5m), the first fixing seat (5e) and the second fixing seat (5g) are welded on the axle housing of the automobile, the guide seat (5c) is arranged on the upper end face of the first fixing seat (5e), the first positioning pin (5a) is matched and limited with the first limiting hole (5d), the mounting seat (5j) is arranged on the lower end face of the second fixing seat (5g), the second positioning pin (5f) is matched and limited with the second limiting hole (5h), the guide seat (5c) is fixedly connected with the mounting seat (5j) through four mounting bolts (5m), the limiting mechanism (5) further comprises four spring washers (5k), the four spring washers (5k) are respectively arranged between the four mounting bolts (5m) and the mounting seat (5j), the lower ends of the two shock absorbers (6) are fixedly connected with the mounting seat (5j), one ends of the two middle axle lower thrust rods (9) are fixedly connected with the mounting seat (5j), and one ends of the two rear axle lower thrust rods (10) are fixedly connected with the mounting seat (5 j).
CN202010762046.2A 2020-07-31 2020-07-31 Leaf spring balance suspension system matched with disc brake Active CN111942091B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010762046.2A CN111942091B (en) 2020-07-31 2020-07-31 Leaf spring balance suspension system matched with disc brake

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010762046.2A CN111942091B (en) 2020-07-31 2020-07-31 Leaf spring balance suspension system matched with disc brake

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Publication Number Publication Date
CN111942091A CN111942091A (en) 2020-11-17
CN111942091B true CN111942091B (en) 2021-11-23

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CN202010762046.2A Active CN111942091B (en) 2020-07-31 2020-07-31 Leaf spring balance suspension system matched with disc brake

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29624626U1 (en) * 1996-08-13 2005-08-11 Schmitz Cargobull Ag Air sprung disc brake axle system of lorry trailer or saddle trailer - has spring bellows on underside of trailer, axle connecting rod and axle body connected to this rod carrying brake disc on each end
CN201220584Y (en) * 2008-06-12 2009-04-15 内蒙古第一机械制造(集团)有限公司 Non-through shaft type balance suspension system
CN102555722A (en) * 2012-03-07 2012-07-11 上汽依维柯红岩商用车有限公司 Connecting structure for connecting intermediate axle with rear axle on vehicle frame
CN203344680U (en) * 2013-05-06 2013-12-18 东风商用车有限公司 Novel balanced suspension shock absorber arrangement structure
EP2946944A1 (en) * 2010-09-30 2015-11-25 Hendrickson USA, L.L.C. Axle/suspension system
CN107009834A (en) * 2017-04-28 2017-08-04 赵承 A kind of rubber spring and leaf spring composite construction equalizing suspension system
ES2632688A1 (en) * 2016-03-14 2017-09-14 Fundiciones De Vera, S.A. Modular disposition for ballestas formed by two or more pieces (Machine-translation by Google Translate, not legally binding)
CN107244204A (en) * 2017-06-30 2017-10-13 安徽江淮汽车集团股份有限公司 A kind of mounting structure of leaf spring and back axle
CN210760131U (en) * 2019-09-06 2020-06-16 丰疆智能科技股份有限公司 Air suspension system and vehicle

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29624626U1 (en) * 1996-08-13 2005-08-11 Schmitz Cargobull Ag Air sprung disc brake axle system of lorry trailer or saddle trailer - has spring bellows on underside of trailer, axle connecting rod and axle body connected to this rod carrying brake disc on each end
CN201220584Y (en) * 2008-06-12 2009-04-15 内蒙古第一机械制造(集团)有限公司 Non-through shaft type balance suspension system
EP2946944A1 (en) * 2010-09-30 2015-11-25 Hendrickson USA, L.L.C. Axle/suspension system
CN102555722A (en) * 2012-03-07 2012-07-11 上汽依维柯红岩商用车有限公司 Connecting structure for connecting intermediate axle with rear axle on vehicle frame
CN203344680U (en) * 2013-05-06 2013-12-18 东风商用车有限公司 Novel balanced suspension shock absorber arrangement structure
ES2632688A1 (en) * 2016-03-14 2017-09-14 Fundiciones De Vera, S.A. Modular disposition for ballestas formed by two or more pieces (Machine-translation by Google Translate, not legally binding)
CN107009834A (en) * 2017-04-28 2017-08-04 赵承 A kind of rubber spring and leaf spring composite construction equalizing suspension system
CN107244204A (en) * 2017-06-30 2017-10-13 安徽江淮汽车集团股份有限公司 A kind of mounting structure of leaf spring and back axle
CN210760131U (en) * 2019-09-06 2020-06-16 丰疆智能科技股份有限公司 Air suspension system and vehicle

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