CN102642560A - Rear wheel drive steering double pivot system of lump material loader - Google Patents
Rear wheel drive steering double pivot system of lump material loader Download PDFInfo
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- CN102642560A CN102642560A CN2012101317471A CN201210131747A CN102642560A CN 102642560 A CN102642560 A CN 102642560A CN 2012101317471 A CN2012101317471 A CN 2012101317471A CN 201210131747 A CN201210131747 A CN 201210131747A CN 102642560 A CN102642560 A CN 102642560A
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- steering
- steering knuckle
- turn
- pin
- oil cylinder
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Abstract
The invention discloses a rear wheel drive steering double pivot system of a lump material loader, which comprises a first steering connector, a second steering connector, a steering upper pin, a steering lower pin, a steering pull rod and a steering oil cylinder. The first steering connector is installed on a drive axle, and the second steering connector is installed on a back wheel. The first steering connector and the second steering connector are fastened to form a cavity in between, and a steering universal joint is placed in the cavity. The upper portion of the connection position of the first steering connector and the second steering connector is fixed through the steering upper pin, and the lower portion of the connection position of the first steering connector and the second steering connector is fixed through the steering lower pin. A left back wheel and a right back wheel are connected through the steering pull rod, and the oil cylinder is respectively installed between the drive axle and the left back wheel and the right back wheel. The rear wheel drive steering double pivot system can better resolve the problem of integral loader lateral turning in the prior art.
Description
Technical field
The present invention relates to the technical field of piece material loader, refer in particular to a kind of material loader back-wheel drive and turn to two fulcrum system.
Background technology
Piece material loader is a kind of cubic metre of earth and stone construction machinery and equipment that is widely used in construction projects such as highway, railway, building, water power, harbour, mine; It is mainly used in bulk materials such as shovel dress soil, sandstone, lime, coal, also can dig operation to the slight shovel of works such as ore, pan soil.The vehicle frame of general piece material loader is split type, promptly has front vehicle frame and back vehicle frame, on the vehicle frame of front and back, is provided with drive axle, and the front and back vehicle frame is the front-wheel articulated steering through articulation steering.
Domestic piece material loading machine steering system adopts the articulated steering system mostly at present; As shown in Figure 1; A kind of loading machine steering linkwork that is disclosed among the Chinese patent CN201120227552 comprises: front and back vehicle frame articulated mounting A, articulated linkage assembly B, turn to oil cylinder C; Front vehicle frame articulated slab 1 among articulated linkage assembly B one end and the front and back vehicle frame articulated mounting A is connected; Back vehicle frame articulated slab 2 is connected among the articulated linkage assembly B other end and the front and back vehicle frame articulated mounting A; Turn to that front vehicle frame articulated slab 1 is connected among oil cylinder C one end and the front and back vehicle frame articulated mounting A, turn to that back vehicle frame articulated slab 2 is connected among the oil cylinder C other end and the front and back vehicle frame articulated mounting A.When turning to the loculus oil-feed of oil cylinder C, vehicle frame articulated mounting A before and after the pulling, the angle before and after making between the front vehicle frame articulated slab 1 of vehicle frame articulated mounting A and the back vehicle frame articulated slab 2 diminishes; When turning to the big chamber oil-feed of oil cylinder C, the angle before and after making between the front vehicle frame articulated slab 1 of vehicle frame articulated mounting A and the back vehicle frame articulated slab 2 becomes big, thereby realizes turning to.
But this kind structure has following shortcoming: the vehicle frame of piece material loader is split type, when load-carrying turns to; The front and back vehicle frame is angled, and fork loading thing is mobile along with turning to, and can't remain in the vehicle frame center; The rollover phenomenon takes place in poor stability easily, and safety performance is bad.
And common rear-axle steering turns to and sells and turn to downside pin opposite sense locking, only turns to downside pin as stress point, turns to pin only to play main positive interaction, and the load carrying ability that bears is little, poor stability.
Therefore, the inventor does further research to this, develops a kind of material loader back-wheel drive and turns to two fulcrum system, and this case produces thus.
Summary of the invention
The object of the present invention is to provide a kind of material loader back-wheel drive to turn to two fulcrum system, preferably resolve the problem of car load rollover in the prior art.
To achieve these goals, technical scheme of the present invention is following:
A kind of material loader back-wheel drive turns to two fulcrum system, comprises first steering knuckle, second steering knuckle, turns to and sell, turn to downside pin, steering track rod and turn to oil cylinder; First steering knuckle is installed on the drive axle, and second steering knuckle is installed on the trailing wheel; Form a cavity between first steering knuckle and second steering knuckle are interlocked, steering universal joint is placed in the cavity; Above first steering knuckle and the second steering knuckle joint, fixing through turning to pin, below first steering knuckle and the second steering knuckle joint, fix through turning to downside pin; About be connected through steering track rod between two trailing wheels, drive axle and about also be separately installed with between two trailing wheels and turn to oil cylinder.
Preferably, turn to key seat to be fixed on the top of second steering knuckle, turn to pin to be fixed on and turn on the key seat, turn to downside pin to be fixed on the below of second steering knuckle.
Preferably, first steering knuckle and second steering knuckle are semisphere, and the external diameter of first steering knuckle is less than the internal diameter of second steering knuckle.
Preferably, between the ante-chamber and ante-chamber that two turn to oil cylinder, utilize oil pipe parallelly connected between back cavity and the back cavity.
After adopting such scheme, the present invention has the following advantages:
One, because the present invention adopts 4 wheel driven rear-axle steering system, so the vehicle frame of piece material loader can adopt integral type, when load-carrying turns to; Turn to during load-carrying by the trailing wheel controlling and driving, the load-carrying center remains on vehicle frame line of centers, good stability; Turn to flexibly, solve car load rollover phenomenon preferably.
Two, the present invention turns to and sells and turn to equidirectional locking first steering knuckle of downside pin and second steering knuckle when rear-axle steering; Simultaneously as stress point; Promptly form two fulcrums that back-wheel drive turns to, make piece material elevating conveyor can bear bigger load-carrying, safety is good.
Description of drawings
Fig. 1 is the scheme drawing of prior art;
Fig. 2 is a scheme drawing of the present invention;
Fig. 3 is a cutaway view of the present invention;
Fig. 4 is the partial enlarged drawing of Fig. 3;
Fig. 5 is the constitution diagram that the present invention does not turn to;
Fig. 6 is the constitution diagram after the present invention turns to.
Label declaration
First steering knuckle, 31 first pin-and-holes 311
Second steering knuckle, 32 second pin-and-holes 321
Drive axle 4 trailing wheels 5
Steering universal joint 6 steering track rods 7
Turn to oil cylinder 8
Left steering oil cylinder 81 right steering oil cylinders 82
Turn to pin 90 to turn to downside pin 91
Turn to key seat 92 mounting holes 921.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is further described.
As shown in Figures 2 and 3, a kind of material loader back-wheel drive that the present invention discloses turns to two fulcrum system, and first steering knuckle 31 is installed on the drive axle 4 of vehicle frame (not drawing among the figure), and second steering knuckle 32 is installed on the trailing wheel 5; Form a cavity between first steering knuckle 31 and second steering knuckle 32 are interlocked, steering universal joint 6 is placed in the cavity.
Above first steering knuckle 31 and second steering knuckle, 32 joints, through turning to pin 90 fixing, below first steering knuckle 31 and second steering knuckle, 32 joints, through turning to downside pin 91 fixing; Turn to pin 90 locking first steering knuckle 31 and second steering knuckles 32; Turn to downside pin 91 locking first steering knuckle 31 and second steering knuckles 32, and turn to pin 90 identical, simultaneously as stress point with the action direction that turns to downside pin 91; Can bear bigger load-carrying, safety is good.
About be connected through steering track rod 7 between two trailing wheels 5 so that when turning to, it is consistent to control left and right sides trailing wheel 5 steering angles simultaneously.
Drive axle 4 and about also be separately installed with between two trailing wheels 5 and turn to oil cylinder 8.In the present embodiment; Two turn to oil cylinder 8 is respectively left steering oil cylinder 81 and right steering oil cylinder 82; Utilize oil pipe parallelly connected between the ante-chamber of the ante-chamber of left steering oil cylinder 81 and right steering oil cylinder 82, utilize oil pipe parallelly connected between the back cavity of the back cavity of left steering oil cylinder 81 and right steering oil cylinder 82.Left steering oil cylinder 81 forms complementation with right steering oil cylinder 82 when turning to, effect simultaneously, and it is double that application force becomes, and the angle of utilizing steering track rod 7 control left and right sides trailing wheels 5 to turn to is consistent.
The fixed form of first steering knuckle 31 and second steering knuckle 32 has a variety of; Preferred scheme is equipped with one and turns to key seat 92 above second steering knuckle 32; Turn to key seat 92 to have mounting hole 921; First steering knuckle 31 has first pin-and-hole 311; Second steering knuckle 32 has second pin-and-hole 321, turn to pin 90 pass successively first steering knuckle 31 first pin-and-hole 311, second steering knuckle 32 second pin-and-hole 321 and turn to the mounting hole 921 of key seat 92 to be fixed on to turn on the key seat 92, first steering knuckle 31 and second steering knuckle 32 are fixed together.Turn to downside pin 91 to be fixed on the below of second steering knuckle 32, be connected with first steering knuckle 31, play group and just reaching strong point effect through tapered roller bearing.
As shown in Figure 4; In the present invention, first steering knuckle 31 and second steering knuckle 32 are semisphere, and the external diameter Φ 1 of first steering knuckle 31 is less than the internal diameter Φ 2 of second steering knuckle 32; Be that Φ 1＜Φ 2, the first steering knuckles 31 are plugged in second steering knuckle 32.Certainly, also can be the external diameter of the internal diameter of first steering knuckle 31 greater than second steering knuckle 32, second steering knuckle 32 is plugged in first steering knuckle 31.
Like Fig. 5 and shown in Figure 6, using when of the present invention, piece material elevating conveyor left-handed turning to state under, drive axle 4 stressed being directed downwards, trailing wheel 5 receive force direction upwards; Turn to 5 effects of 8 pairs of trailing wheels of oil cylinder, simultaneously, the steering angle of steering track rod 7 control left and right sides trailing wheels makes its steering angle consistent, reaches the purpose that turns to.Because the present invention adopts 4 wheel driven rear-axle steering system, so the vehicle frame of piece material elevating conveyor can be for integral type, when load-carrying turns to; Turn to during load-carrying by the trailing wheel controlling and driving, the load-carrying center remains on vehicle frame line of centers, good stability; Turn to flexibly, solve car load rollover phenomenon preferably.
Above-mentionedly be merely specific embodiment of the present invention, but design concept of the present invention is not limited thereto, allly utilizes this design that the present invention is carried out the change of unsubstantiality, all should belong to the behavior of invading protection domain of the present invention.
Claims (4)
1. a piece material loader back-wheel drive turns to two fulcrum system, it is characterized in that: comprise first steering knuckle, second steering knuckle, turn to and sell, turn to downside pin, steering track rod and turn to oil cylinder; First steering knuckle is installed on the drive axle, and second steering knuckle is installed on the trailing wheel; Form a cavity between first steering knuckle and second steering knuckle are interlocked, steering universal joint is placed in the cavity; Above first steering knuckle and the second steering knuckle joint, fixing through turning to pin, below first steering knuckle and the second steering knuckle joint, fix through turning to downside pin; About be connected through steering track rod between two trailing wheels, drive axle and about also be separately installed with between two trailing wheels and turn to oil cylinder.
2. a kind of material loader back-wheel drive as claimed in claim 1 turns to two fulcrum system; It is characterized in that: turn to key seat to be fixed on the top of second steering knuckle; Turn to pin to be fixed on and turn on the key seat, turn to downside pin to be fixed on the below of second steering knuckle.
3. a kind of material loader back-wheel drive as claimed in claim 1 turns to two fulcrum system, and it is characterized in that: first steering knuckle and second steering knuckle are semisphere, and the external diameter of first steering knuckle is less than the internal diameter of second steering knuckle.
4. a kind of material loader back-wheel drive as claimed in claim 1 turns to two fulcrum system, it is characterized in that: between the ante-chamber and ante-chamber that two turn to oil cylinder, utilize oil pipe parallelly connected between back cavity and the back cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101317471A CN102642560A (en) | 2012-05-02 | 2012-05-02 | Rear wheel drive steering double pivot system of lump material loader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101317471A CN102642560A (en) | 2012-05-02 | 2012-05-02 | Rear wheel drive steering double pivot system of lump material loader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102642560A true CN102642560A (en) | 2012-08-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101317471A Pending CN102642560A (en) | 2012-05-02 | 2012-05-02 | Rear wheel drive steering double pivot system of lump material loader |
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| CN (1) | CN102642560A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106218714A (en) * | 2016-08-31 | 2016-12-14 | 浙江美科斯叉车有限公司 | 4 wheel driven cross-country rear steering bridge cylinder structure |
| CN106275071A (en) * | 2016-08-31 | 2017-01-04 | 浙江美科斯叉车有限公司 | Rear steering drive axle slewing journal structure |
| CN110356470A (en) * | 2019-07-29 | 2019-10-22 | 徐工集团工程机械股份有限公司科技分公司 | Pivot stud engineering machinery |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2333911A (en) * | 1942-02-06 | 1943-11-09 | Timken Axle Co Detroit | Steering drive axle |
| JPS62175266A (en) * | 1986-01-30 | 1987-07-31 | Isuzu Motors Ltd | Joint structure of axle end |
| CN101412346A (en) * | 2008-11-26 | 2009-04-22 | 晋江市连盛液压机械有限公司 | Drive front axle of small-sized wheeled digger |
| CN102001261A (en) * | 2010-11-03 | 2011-04-06 | 覃志明 | Special axle for hydraulic drive steering |
| CN102019958A (en) * | 2010-12-06 | 2011-04-20 | 徐州重型机械有限公司 | Six-shaft automobile chassis crane and steering control system and method thereof |
| CN202593621U (en) * | 2012-05-02 | 2012-12-12 | 厦门市嘉盛工程机械有限公司 | Back-wheel-drive steering double-pivot system for block loader |
-
2012
- 2012-05-02 CN CN2012101317471A patent/CN102642560A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2333911A (en) * | 1942-02-06 | 1943-11-09 | Timken Axle Co Detroit | Steering drive axle |
| JPS62175266A (en) * | 1986-01-30 | 1987-07-31 | Isuzu Motors Ltd | Joint structure of axle end |
| CN101412346A (en) * | 2008-11-26 | 2009-04-22 | 晋江市连盛液压机械有限公司 | Drive front axle of small-sized wheeled digger |
| CN102001261A (en) * | 2010-11-03 | 2011-04-06 | 覃志明 | Special axle for hydraulic drive steering |
| CN102019958A (en) * | 2010-12-06 | 2011-04-20 | 徐州重型机械有限公司 | Six-shaft automobile chassis crane and steering control system and method thereof |
| CN202593621U (en) * | 2012-05-02 | 2012-12-12 | 厦门市嘉盛工程机械有限公司 | Back-wheel-drive steering double-pivot system for block loader |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106218714A (en) * | 2016-08-31 | 2016-12-14 | 浙江美科斯叉车有限公司 | 4 wheel driven cross-country rear steering bridge cylinder structure |
| CN106275071A (en) * | 2016-08-31 | 2017-01-04 | 浙江美科斯叉车有限公司 | Rear steering drive axle slewing journal structure |
| CN110356470A (en) * | 2019-07-29 | 2019-10-22 | 徐工集团工程机械股份有限公司科技分公司 | Pivot stud engineering machinery |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120822 |