CN103434388B - Loader power system shock-absorbing supporting device - Google Patents
Loader power system shock-absorbing supporting device Download PDFInfo
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- CN103434388B CN103434388B CN201310340486.9A CN201310340486A CN103434388B CN 103434388 B CN103434388 B CN 103434388B CN 201310340486 A CN201310340486 A CN 201310340486A CN 103434388 B CN103434388 B CN 103434388B
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- elastic body
- supporting seat
- power system
- vehicle frame
- limiting buffer
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Abstract
The invention discloses a kind of loader power system shock-absorbing supporting device, the rigid connection body of change speed gear box and driving engine passes through back and front supporting mechanism supports on vehicle frame; Elastic body, rear support unit bolt nut, driving engine Connection Block and vehicle frame rear support seat after rear support mechanism comprises two.Front support mechanism comprises two front elastic bodys, elastic body supporting seat, front support unit bolt nut, front shock mount and a pair limiting buffer bolt, and elastic body supporting seat is fixed on change speed gear box side.Front shock mount is positioned on the downside of elastic body supporting seat, and be fixed on vehicle frame front end outer side, a pair limiting buffer bolt head end face is relatively fixed on the longitudinal two ends of front shock mount, on the downside of the longitudinal two ends of elastic body supporting seat between a pair limiting buffer bolt head.Structure of the present invention is simple, low cost of manufacture, has effectively cushioned the front and back impulsive force that power system is subject to horizontal direction, has improve the auxiliary damping effect of power system.
Description
Technical field
The present invention relates to a kind of shock absorption device of engineering mechanical power system, especially a kind of cushion blocking device of loader power system, belongs to technical field of engineering machinery.
Background technology
The driving engine of loader and tor-con change speed gear box are connected to become the rigid connection body of power system; because the service conditions of loader is comparatively severe; Active workings is mostly rugged and rough; its power system must by stabilized equipment support on vehicle frame; driving engine self vibration could be reduced and vehicle jolts to the harmful effect of power system; driving system could reliablely and stablely work, and plays a protective role to the physical construction of loader.
The vehicle frame 1 of the loader shown in Fig. 1 is provided with four strong points of power system, loader power system by the stabilized equipment support of B1, B2 of A1, A2 of vehicle frame 1 front end and vehicle frame 1 rear end totally four strong points on vehicle frame 1.The vertical tremor in existing loader power system shock absorption device main buffer power systematic vertical direction, cannot provide enough protections to the vibration displacement of power system all around horizontal direction.Loader is mainly used in scraper and loading operation, such as loader may slow down suddenly into during hard material shoveling, or when travelling on the road surface that hollow jolts, the rigid connection body of power system is often subject to the impact of horizontal direction, and the impact of fore-and-aft direction will more than the impact of left and right directions.Existing shock absorption device cannot the horizontal direction impulsive force that is subject to of buffer power system, especially each strong point of existing shock absorption device connects by means of only single tie bolt, when horizontal direction generation greater impact is rocked, tie bolt even may fracture because of impaired by shearing force effect, causes the danger of trouble of loader or the operator safety that has an impact.
Summary of the invention
The object of this invention is to provide a kind of structure simple, can the vertical tremor of vertical direction of buffer power system rigidity connector, again can the loader power system shock-absorbing supporting device of buffer power system rigidity connector horizontal direction porpoise.
The present invention is achieved by the following technical programs:
A kind of loader power system shock-absorbing supporting device, comprise the front support mechanism be separately positioned under the longitudinal both sides of vehicle frame front end change speed gear box, be separately positioned on the rear support mechanism under the longitudinal both sides of vehicle frame rear end driving engine, the rigid connection body of change speed gear box and driving engine by Liang Ge front support mechanism and two rear support mechanism supports on vehicle frame; Elastic body, rear support unit bolt nut, driving engine Connection Block and vehicle frame rear support seat after described rear support mechanism comprises two, upper and lower sides after elastic body is overlapped into entirety after two is respectively equipped with metal backing, after two, elastomeric upper and lower superimposed place is inlaid on vehicle frame rear support seat, rear support unit bolt nut elastic body after connecting engine Connection Block lower side panel and superimposed up and down two successively from top to bottom, driving engine both sides respectively by two rear support mechanism supports on vehicle frame front end; Described front support mechanism comprises the relative limiting buffer bolt of two front elastic bodys, elastic body supporting seat, front support unit bolt nut, front shock mount and a pair head end, upper and lower sides after two front elastic bodys are overlapped into entirety is respectively equipped with metal backing, before two, elastomeric upper and lower superimposed place is inlaid on elastic body supporting seat, and elastic body supporting seat side is fixed on change speed gear box side; Front support unit bolt nut connects superimposed up and down two front elastic bodys, elastic body supporting seat and front shock mount from top to bottom successively, front shock mount is positioned on the downside of elastic body supporting seat, and be fixed on vehicle frame front end outer side, a pair limiting buffer bolt head end face is relatively fixed on the longitudinal two ends of front shock mount, on the downside of the longitudinal two ends of elastic body supporting seat between a pair limiting buffer bolt head.
Object of the present invention can also be realized further by following technical measures.
Aforesaid loader power system shock-absorbing supporting device, wherein said elastic body supporting seat comprises and is fixedly connected with integral horizonal base plate, vertical center web and a pair gusset, horizonal base plate longitudinal center is provided with the perforation of installation two upper and lower end folds of front elastic body, and described vertical center web is fixed on change speed gear box side.
Aforesaid loader power system shock-absorbing supporting device, wherein said front shock mount is inverted Π shape, comprise the positioning plate that back plate, respectively two ends longitudinal with back plate are fixedly connected with, described positioning plate is provided with the screw being screwed into limiting buffer bolt, the flexure strip end face be positioned at outside a pair limiting buffer bolt head outside the longitudinal two ends of front shock mount is relative, and limiting buffer bolt tail is fixed on positioning plate by black nut; Elastic body supporting seat is longitudinally between the flexure strip of downside outside a pair limiting buffer bolt head of front shock mount.
Aforesaid loader power system shock-absorbing supporting device, wherein said flexure strip is resilient rubbber cushion, and described resilient rubbber cushion is fixedly connected with limiting buffer bolt head.
Aforesaid loader power system shock-absorbing supporting device, the gap delta of wherein said elastic body supporting seat longitudinally between one end, downside and limiting buffer bolt head flexure strip is 0.8 ~ 1.2mm.
Structure of the present invention is simple, low cost of manufacture, the present invention has set up the front shock mount limiting buffer bolt relative with a pair head end in the front support mechanism of the front end both lateral sides of loader frame, effectively cushion the front and back impulsive force that power system is subject to horizontal direction, improve the auxiliary damping effect of power system, effectively extend the service life of power system, reduce the fault rate of loader, avoid the impact failure of loader major design part.
Advantage and disadvantage of the present invention, by for illustration and explanation for the non-limitative illustration passing through preferred embodiment below, these embodiments, only provide as an example with reference to accompanying drawing.
Accompanying drawing explanation
Fig. 1 is the structural representation being arranged on power system four strong points in loader frame;
Fig. 2 is that the present invention is arranged on loader driving engine and the structural representation between tor-con change speed gear box and vehicle frame;
Fig. 3 is I enlarged drawing of Fig. 2;
Fig. 4 is II enlarged drawing of Fig. 2;
Fig. 5 is the A-A cutaway view of Fig. 4.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
As shown in Fig. 2 ~ Fig. 5, the present invention includes the front support mechanism 3 under the longitudinal both sides of change speed gear box 2 being separately positioned on vehicle frame 1 front end, be separately positioned on the rear support mechanism 5 under the longitudinal both sides of driving engine 4 of vehicle frame 1 rear end, the rigid connection body of change speed gear box 2 and driving engine 4 is supported on vehicle frame 1 by Liang Ge front support mechanism 3 and Liang Ge rear support mechanism 5.Elastic body 51, rear support unit bolt nut 52, driving engine Connection Block 53 and vehicle frame rear support seat 54 after rear support mechanism 5 comprises two, after two, elastic body about 51 is overlapped into entirety, the upper and lower sides of described entirety is respectively equipped with metal backing 55, after can guaranteeing two, elastic body 51 local compression produces bulk deformation, extends elastomeric service life.After two, the superimposed place of elastic body about 51 inside contracts and forms laterally zygomorphic annular groove 511, on overlapping in annular groove 511 after becket 512, be inlaid on vehicle frame rear support seat 54 again, rear support unit bolt nut 52 elastic body 51 after connecting engine Connection Block 53 and superimposed up and down two successively from top to bottom, makes driving engine 4 both sides be supported on vehicle frame 1 respectively by Liang Ge rear support mechanism 5.
Front support mechanism 6 comprises the relative limiting buffer bolt 65 of two front elastic bodys 61, elastic body supporting seat 62, front support unit bolt nut 63, front shock mount 64 and a pair head end, after two, the superimposed place of elastic body about 61 inside contracts and forms laterally zygomorphic annular groove 611, on overlapping in annular groove 611 after becket 512, be inlaid on elastic body supporting seat 62 again, elastic body supporting seat 62 side is fixed on change speed gear box 2 side.Elastic body 61 and elastic body supporting seat 62 after front support unit bolt nut 63 connects superimposed up and down two from top to bottom successively, front shock mount 64 is positioned on the downside of elastic body supporting seat 62, and be fixed on vehicle frame 1 front end outer side, a pair limiting buffer bolt 65 head end is relatively fixed on the front longitudinal two ends of shock mount 64, on the downside of the longitudinal two ends of elastic body supporting seat 62 between a pair limiting buffer bolt 65 head.
The elastic body supporting seat 62 of the present embodiment is welding structural element, comprise integrally welded horizonal base plate 621, vertical center web 623 and a pair gusset 622, horizonal base plate 621 longitudinal center is provided with the perforation 624 of front elastic body about 62 end fold of installation two, and the vertical center web 623 of elastic body supporting seat 62 is fixed on change speed gear box 2 side by 4 tightening screws 66.
The front shock mount 64 of the present embodiment is the welding structural element in inverted Π shape, comprise back plate 641, respectively soldered positioning plate 642 vertical with the longitudinal two ends of back plate 641, described positioning plate 642 is provided with the screw 643 being screwed into limiting buffer bolt 65, and limiting buffer bolt 65 afterbody is fixed on positioning plate 642 by black nut 66.Flexure strip 651 end face be positioned at outside a pair limiting buffer bolt 65 head outside the front longitudinal two ends of shock mount 64 is relative, between the flexure strip 651 on the downside of elastic body supporting seat 63 outside a pair limiting buffer bolt 65 head of front shock mount 64.Flexure strip 651 is resilient rubbber cushion, and described resilient rubbber cushion is fixedly connected with limiting buffer bolt 65 head seccotine.The gap delta of elastic body supporting seat 63 longitudinally between one end, downside and the flexure strip 651 of limiting buffer bolt 65 head is that 0.8 ~ 1.2mm, δ are preferably 1.0mm.
In loader traveling or operation process, when the rigid connection body of its power system is subject to the horizontal impact power of fore-and-aft direction, the present invention can cushion the horizontal impact power of fore-and-aft direction effectively, thus reduces the fault rate of loader.
In addition to the implementation, the present invention can also have other embodiments, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of application claims.
Claims (5)
1. a loader power system shock-absorbing supporting device, comprise the front support mechanism be separately positioned under the longitudinal both sides of vehicle frame front end change speed gear box, be separately positioned on the rear support mechanism under the longitudinal both sides of vehicle frame rear end driving engine, the rigid connection body of change speed gear box and driving engine by Liang Ge front support mechanism and two rear support mechanism supports on vehicle frame; Elastic body, rear support unit bolt nut, driving engine Connection Block and vehicle frame rear support seat after described rear support mechanism comprises two, upper and lower sides after elastic body is overlapped into entirety up and down after two is respectively equipped with metal backing, after two, elastomeric upper and lower superimposed place is inlaid on vehicle frame rear support seat, rear support unit bolt nut elastic body after connecting engine Connection Block lower side panel and two successively from top to bottom, driving engine both sides respectively by two rear support mechanism supports on vehicle frame rear end; It is characterized in that: described front support mechanism comprises the relative limiting buffer bolt of two front elastic bodys, elastic body supporting seat, front support unit bolt nut, front shock mount and a pair head end, upper and lower sides after two front elastic bodys are overlapped into entirety is up and down respectively equipped with metal backing, before two, elastomeric upper and lower superimposed place is inlaid on elastic body supporting seat, and elastic body supporting seat side is fixed on change speed gear box side; Front support unit bolt nut connects superimposed up and down two front elastic bodys, elastic body supporting seat and front shock mount from top to bottom successively, described front shock mount is positioned on the downside of elastic body supporting seat, and be fixed on vehicle frame front end outer side, a pair limiting buffer bolt head end face is relatively fixed on the longitudinal two ends of front shock mount, on the downside of the longitudinal two ends of elastic body supporting seat between a pair limiting buffer bolt head.
2. loader power system shock-absorbing supporting device as claimed in claim 1, it is characterized in that: described elastic body supporting seat comprises and is fixedly connected with integral horizonal base plate, vertical center web and a pair gusset, horizonal base plate longitudinal center is provided with the perforation of installation two upper and lower end folds of front elastic body, and described vertical center web is fixed on change speed gear box side.
3. loader power system shock-absorbing supporting device as claimed in claim 1, it is characterized in that: described front shock mount is inverted Π shape, comprise the positioning plate that back plate, respectively two ends longitudinal with back plate are fixedly connected with, described positioning plate is provided with the screw being screwed into limiting buffer bolt, the flexure strip end face be positioned at outside a pair limiting buffer bolt head outside the longitudinal two ends of front shock mount is relative, and limiting buffer bolt tail is fixed on positioning plate by black nut; Elastic body supporting seat is longitudinally between the flexure strip of downside outside a pair limiting buffer bolt head of front shock mount.
4. loader power system shock-absorbing supporting device as claimed in claim 3, it is characterized in that: described flexure strip is resilient rubbber cushion, described resilient rubbber cushion is bonding with limiting buffer bolt head integral.
5. loader power system shock-absorbing supporting device as claimed in claim 3, is characterized in that: the gap delta of described elastic body supporting seat longitudinally between one end, downside and limiting buffer bolt head flexure strip is 0.8 ~ 1.2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310340486.9A CN103434388B (en) | 2013-08-07 | 2013-08-07 | Loader power system shock-absorbing supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310340486.9A CN103434388B (en) | 2013-08-07 | 2013-08-07 | Loader power system shock-absorbing supporting device |
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| Publication Number | Publication Date |
|---|---|
| CN103434388A CN103434388A (en) | 2013-12-11 |
| CN103434388B true CN103434388B (en) | 2015-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310340486.9A Active CN103434388B (en) | 2013-08-07 | 2013-08-07 | Loader power system shock-absorbing supporting device |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104442338A (en) * | 2014-11-04 | 2015-03-25 | 柳工常州机械有限公司 | Limiting device |
| CN105672395A (en) * | 2016-03-24 | 2016-06-15 | 徐州徐工特种工程机械有限公司 | Auxiliary supporting system |
| CN106915234A (en) * | 2017-03-17 | 2017-07-04 | 安徽江淮汽车集团股份有限公司 | New flat placed type suspending soft cushion assembly |
| CN110171770B (en) * | 2019-06-05 | 2020-10-09 | 青岛港国际股份有限公司 | Power transmission protection mechanism for track crane |
| CN113147345A (en) * | 2021-05-06 | 2021-07-23 | 珠海亿华电动车辆有限公司 | Sightseeing vehicle with battery module damping assembly |
| CN113561753A (en) * | 2021-08-10 | 2021-10-29 | 安徽誉林汽车部件有限公司 | Novel gearbox supporting mechanism for automobile |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2537833A1 (en) * | 1975-08-26 | 1977-03-10 | Daimler Benz Ag | DEVICE FOR LIMITING FREE TRAVEL FOR AN ELASTICALLY FLEXIBLE RUBBER-METAL ELEMENT, IN PARTICULAR FOR THE STORAGE OF MOTOR VEHICLE ENGINES |
| US4872650A (en) * | 1987-06-19 | 1989-10-10 | Nissan Motor Co., Ltd. | Vibration insulating device |
| EP0827857A1 (en) * | 1996-09-06 | 1998-03-11 | Hutchinson | Support plate for a limiting elastic engine mount |
| CN1740047A (en) * | 2004-08-26 | 2006-03-01 | 光阳工业股份有限公司 | Engine pendant |
| CN203401962U (en) * | 2013-08-07 | 2014-01-22 | 中外合资沃得重工（中国）有限公司 | Shock-absorbing and supporting device of power system of loading device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10299823A (en) * | 1997-04-25 | 1998-11-13 | Nissan Motor Co Ltd | Vibration isolation supporting device |
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2013
- 2013-08-07 CN CN201310340486.9A patent/CN103434388B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2537833A1 (en) * | 1975-08-26 | 1977-03-10 | Daimler Benz Ag | DEVICE FOR LIMITING FREE TRAVEL FOR AN ELASTICALLY FLEXIBLE RUBBER-METAL ELEMENT, IN PARTICULAR FOR THE STORAGE OF MOTOR VEHICLE ENGINES |
| US4872650A (en) * | 1987-06-19 | 1989-10-10 | Nissan Motor Co., Ltd. | Vibration insulating device |
| EP0827857A1 (en) * | 1996-09-06 | 1998-03-11 | Hutchinson | Support plate for a limiting elastic engine mount |
| CN1740047A (en) * | 2004-08-26 | 2006-03-01 | 光阳工业股份有限公司 | Engine pendant |
| CN203401962U (en) * | 2013-08-07 | 2014-01-22 | 中外合资沃得重工（中国）有限公司 | Shock-absorbing and supporting device of power system of loading device |
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| CN103434388A (en) | 2013-12-11 |
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Application publication date: 20131211 Assignee: JIANGSU ZHENJI MACHINERY MANUFACTURING Co.,Ltd. Assignor: SINO-FOREIGN JOINT VENTURE WORLD HEAVY INDUSTRY (CHINA) Co.,Ltd. Contract record no.: X2023320000082 Denomination of invention: Damping support device of loader power system Granted publication date: 20151028 License type: Common License Record date: 20230206 |