CN203401962U - Shock-absorbing and supporting device of power system of loading device - Google Patents
Shock-absorbing and supporting device of power system of loading device Download PDFInfo
- Publication number
- CN203401962U CN203401962U CN201320479893.3U CN201320479893U CN203401962U CN 203401962 U CN203401962 U CN 203401962U CN 201320479893 U CN201320479893 U CN 201320479893U CN 203401962 U CN203401962 U CN 203401962U
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- elastic body
- supporting seat
- power system
- longitudinal
- limiting buffer
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Abstract
The utility model discloses a shock-absorbing and supporting device of a power system of a loading device. A rigid connecting body of a speed changing box and an engine is supported on a truck frame through a front supporting mechanism and a back supporting mechanism. The back supporting mechanism comprises two back elastic bodies, a back supporting bolt and but assembly, an engine connecting seat and a truck frame back supporting seat. The front supporting mechanism comprises two front elastic bodies, an elastic body supporting seat, a front supporting bolt and nut assembly, a front shock absorbing supporting seat and a pair of limiting buffer bolts. The elastic body supporting seat is fixed on one side of the speed changing box. The front shock absorbing supporting seat is located on the lower side of the elastic body supporting seat and is fixed on the outer side of the front end of the truck frame. End faces of heads of the pair of limiting buffer bolts are relatively fixed at the two longitudinal ends of the front shock absorbing supporting seat. Lowe sides of the longitudinal two ends of the elastic body supporting seat are located between heads of the pair of buffer bolts. The shock-absorbing and supporting device is simple in structure and low in manufacture cost, effectively buffers the front impact force and the back impact force, received by the power system, in the horizontal direction, and improves the auxiliary shock absorbing effect of the power system.
Description
Technical field
The utility model relates to a kind of shock absorption device of engineering mechanical power system, and 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 be supported on vehicle frame by shock absorption device; could reduce the harmful effect that driving engine self vibration and vehicle jolt to power system; driving system could reliablely and stablely be worked, and the physical construction of loader is played a protective role.
On the vehicle frame 1 of the loader shown in Fig. 1, be provided with four strong points of power system, loader power system by A1, the A2 of vehicle frame 1 front end and B1, the B2 of vehicle frame 1 rear end the shock absorption device of totally four strong points be supported on vehicle frame 1.Existing loader power system shock absorption device mainly cushions the vertical tremor of power system vertical direction, cannot to power system all around the vibration displacement of horizontal direction enough protections are provided.Loader is mainly used in scraper and loading operation, for example loader may slow down suddenly when shoveling into hard material, or while travelling on the road surface of jolting at hollow, 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 be more than the impact of left and right directions.Existing shock absorption device cannot cushion the horizontal direction impulsive force that power system is subject to, especially existing each strong point of shock absorption device only connects by single tie bolt, when horizontal direction generation greater impact is rocked, tie bolt may because being subject to, shearing force effect is impaired even to fracture, and causes the danger of trouble of loader or the operator safety that exerts an influence.
Summary of the invention
The purpose of this utility model is to provide a kind of simple in structure, vertical tremor that can cushion the vertical direction of power system rigid connection body, can cushion again the loader power system shock-absorbing supporting device of power system rigid connection body horizontal direction porpoise.
The utility model is achieved by the following technical programs:
A kind of loader power system shock-absorbing supporting device, comprise the front support mechanism being 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 driving engine, vehicle frame rear end, 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, the upper and lower sides that after two, elastic body is overlapped into after integral body 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 is elastic body after connecting engine Connection Block lower side panel and upper and lower superimposed 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 two front elastic bodys, elastic body supporting seat, front support unit bolt nut, the limiting buffer bolt that front shock mount is relative with a pair of head end, the upper and lower sides that two front elastic bodys are overlapped into after integral body 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 one side is fixed in change speed gear box one side; Front support unit bolt nut connects upper and lower superimposed two front elastic bodys, elastic body supporting seat and front shock mount from top to bottom successively, front shock mount is positioned at elastic body supporting seat downside, and be fixed on vehicle frame front end outside, a pair of limiting buffer bolt head end face is relatively fixed on the longitudinal two ends of front shock mount, and the longitudinal two ends of elastic body supporting seat downside is between a pair of limiting buffer bolt head.
The purpose of this utility model can also further realize by following technical measures.
Aforesaid loader power system shock-absorbing supporting device, wherein said elastic body supporting seat comprises and is fixedly connected with the horizonal base plate that is integral, vertical connecting panel and a pair of gusset, horizonal base plate longitudinal center is provided with the perforation that two upper and lower end folds of front elastic body are installed, and described vertical connecting panel is fixed in change speed gear box one side.
Aforesaid loader power system shock-absorbing supporting device, wherein said front shock mount is inverted Π shape, comprise back plate, the positioning plate being fixedly connected with the longitudinal two ends of back plate respectively, described positioning plate is provided with the screw that is screwed into limiting buffer bolt, the flexure strip end face that is positioned at a pair of limiting buffer bolt head outside outside the longitudinal two ends of front shock mount is relative, and limiting buffer bolt tail is fixed on positioning plate by black nut; The longitudinal downside of elastic body supporting seat is between the flexure strip in a pair of limiting buffer bolt head outside of front shock mount.
Aforesaid loader power system shock-absorbing supporting device, wherein said flexure strip is resilient rubbber cushion, described resilient rubbber cushion is fixedly connected with limiting buffer bolt head.
Aforesaid loader power system shock-absorbing supporting device, the gap delta between wherein said elastic body supporting seat longitudinal downside one end and limiting buffer bolt head flexure strip is 0.8～1.2mm.
The utility model is simple in structure, low cost of manufacture, the utility model has been set up the limiting buffer bolt that front shock mount is relative with a pair of head end in the front support mechanism of the front end both lateral sides of loader frame, effectively cushioned the front and back impulsive force that power system is subject to horizontal direction, improved the auxiliary damping effect of power system, effectively extended the service life of power system, reduce the fault rate of loader, avoided the impact failure of the great framing member of loader.
Advantage and disadvantage of the present utility model, the non-limitative illustration by preferred embodiment below is for illustration and explanation, and these embodiment, only provide as an example with reference to accompanying drawing.
Accompanying drawing explanation
Fig. 1 is arranged on the structural representation of four strong points of power system in loader frame;
Fig. 2 is that the utility model is arranged on the structural representation between loader driving engine and tor-con change speed gear box and vehicle frame;
Fig. 3 is the I portion enlarged drawing of Fig. 2;
Fig. 4 is the II portion enlarged drawing of Fig. 2;
Fig. 5 is the A-A cutaway view of Fig. 4.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As shown in Fig. 2～Fig. 5, the utility model comprises the front support mechanism 3 under the longitudinal both sides of change speed gear box 2 that are 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 3 Ji Liangge rear support mechanisms 5 of Liang Ge front support mechanism.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 51 is overlapped into integral body up and down, the upper and lower sides of described integral body is respectively equipped with metal backing 55, after can guaranteeing two, elastic body 51 local compressions produce bulk deformation, extend elastomeric service life.After two, the upper and lower superimposed place of elastic body 51 inside contracts and forms laterally zygomorphic annular groove 511, in annular groove 511, put after becket 512, be inlaid in again on vehicle frame rear support seat 54, rear support unit bolt nut 52 is elastic body 51 after connecting engine Connection Block 53 and upper and lower superimposed two successively from top to bottom, and driving engine 4 both sides are supported on vehicle frame 1 by Liang Ge rear support mechanism 5 respectively.
Front support mechanism 6 comprises two front elastic bodys 61, elastic body supporting seat 62, front support unit bolt nut 63, the limiting buffer bolt 65 that front shock mount 64 is relative with a pair of head end, after two, the upper and lower superimposed place of elastic body 61 inside contracts and forms laterally zygomorphic annular groove 611, in annular groove 611, put after becket 512, be inlaid on elastic body supporting seat 62, elastic body supporting seat 62 1 sides are fixed in change speed gear box 2 one sides again.Elastic body 61 and elastic body supporting seat 62 after front support unit bolt nut 63 connects upper and lower superimposed two from top to bottom successively, front shock mount 64 is positioned at elastic body supporting seat 62 downsides, and be fixed on vehicle frame 1 front end outside, a pair of limiting buffer bolt 65 head end are relatively fixed on the longitudinal two ends of front shock mount 64, and elastic body supporting seat 62 longitudinal two ends downsides are between a pair of limiting buffer bolt 65 heads.
The elastic body supporting seat 62 of the present embodiment is welding structural element, comprise integrally welded horizonal base plate 621, vertical connecting panel 622 and a pair of gusset 623, horizonal base plate 621 longitudinal center are provided with the perforation 624 that two front elastic bodys end fold Shang Xia 62 is installed, and the vertical connecting panel 622 of elastic body supporting seat 62 is fixed in change speed gear box 2 one sides by 4 tightening screws 66.
The front shock mount 64 of the present embodiment is for being the welding structural element of inverted Π shape, comprise back plate 641, respectively with the vertical soldered positioning plate 642 in the longitudinal two ends of back plate 641, described positioning plate 642 is provided with the screw 643 that is screwed into limiting buffer bolt 65, and limiting buffer bolt 65 afterbodys are fixed on positioning plate 642 by black nut 66.Flexure strip 651 end faces that are positioned at a pair of limiting buffer bolt 65 head outsides outside the longitudinal two ends of front shock mount 64 are relative, and elastic body supporting seat 63 downsides are between the flexure strip 651 in a pair of limiting buffer bolt 65 head outsides of front shock mount 64.Flexure strip 651 is resilient rubbber cushion, and described resilient rubbber cushion is fixedly connected with seccotine with limiting buffer bolt 65 heads.Gap delta between the longitudinal downside one end of elastic body supporting seat 63 and the flexure strip 651 of limiting buffer bolt 65 heads is 0.8～1.2mm, and δ is preferably 1.0mm.
Loader travel or operation process in, when the rigid connection body of its power system is subject to the horizontal impact power of fore-and-aft direction, the utility model can cushion the horizontal impact power of fore-and-aft direction effectively, thereby reduces the fault rate of loader.
In addition to the implementation, the utility model 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 the utility model requirement.
Claims (5)
1. a loader power system shock-absorbing supporting device, comprise the front support mechanism being 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 driving engine, vehicle frame rear end, 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, the upper and lower sides that after two, elastic body is overlapped into after integral body is up and down 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 is 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 front end; It is characterized in that: described front support mechanism comprises two front elastic bodys, elastic body supporting seat, front support unit bolt nut, the limiting buffer bolt that front shock mount is relative with a pair of head end, the upper and lower sides that two front elastic bodys are overlapped into after integral body 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 one side is fixed in change speed gear box one side; Elastic body, elastic body supporting seat and front shock mount after front support unit bolt nut connects upper and lower superimposed two from top to bottom successively, described front shock mount is positioned at elastic body supporting seat downside, and be fixed on vehicle frame front end outside, a pair of limiting buffer bolt head end face is relatively fixed on the longitudinal two ends of front shock mount, and the longitudinal two ends of elastic body supporting seat downside is between a pair of 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 the horizonal base plate that is integral, vertical connecting panel and a pair of gusset, horizonal base plate longitudinal center is provided with the perforation that two upper and lower end folds of front elastic body are installed, and described vertical connecting panel is fixed in change speed gear box one 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 back plate, the positioning plate being fixedly connected with the longitudinal two ends of back plate respectively, described positioning plate is provided with the screw that is screwed into limiting buffer bolt, the flexure strip end face that is positioned at a pair of limiting buffer bolt head outside outside the longitudinal two ends of front shock mount is relative, and limiting buffer bolt tail is fixed on positioning plate by black nut; The longitudinal downside of elastic body supporting seat is between the flexure strip in a pair of limiting buffer bolt head outside of front shock mount.
4. loader power system shock-absorbing supporting device as claimed in claim 3, is characterized in that: described flexure strip is resilient rubbber cushion, described resilient rubbber cushion and limiting buffer bolt head is bonding is integral.
5. loader power system shock-absorbing supporting device as claimed in claim 3, is characterized in that: the gap delta between described elastic body supporting seat longitudinal downside one end and limiting buffer bolt head flexure strip is 0.8～1.2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320479893.3U CN203401962U (en) | 2013-08-07 | 2013-08-07 | Shock-absorbing and supporting device of power system of loading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320479893.3U CN203401962U (en) | 2013-08-07 | 2013-08-07 | Shock-absorbing and supporting device of power system of loading device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203401962U true CN203401962U (en) | 2014-01-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320479893.3U Withdrawn - After Issue CN203401962U (en) | 2013-08-07 | 2013-08-07 | Shock-absorbing and supporting device of power system of loading device |
Country Status (1)
| Country | Link |
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| CN (1) | CN203401962U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103434388A (en) * | 2013-08-07 | 2013-12-11 | 中外合资沃得重工（中国）有限公司 | Shock-absorption supporting device for power system of loading machine |
-
2013
- 2013-08-07 CN CN201320479893.3U patent/CN203401962U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103434388A (en) * | 2013-08-07 | 2013-12-11 | 中外合资沃得重工（中国）有限公司 | Shock-absorption supporting device for power system of loading machine |
| CN103434388B (en) * | 2013-08-07 | 2015-10-28 | 中外合资沃得重工（中国）有限公司 | Loader power system shock-absorbing supporting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140122 Effective date of abandoning: 20151028 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |