CN109649109A - Rear-axle suspension system in a kind of quarry tipper - Google Patents
Rear-axle suspension system in a kind of quarry tipper Download PDFInfo
- Publication number
- CN109649109A CN109649109A CN201811592365.2A CN201811592365A CN109649109A CN 109649109 A CN109649109 A CN 109649109A CN 201811592365 A CN201811592365 A CN 201811592365A CN 109649109 A CN109649109 A CN 109649109A
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- China
- Prior art keywords
- oil cylinder
- axle suspension
- ring cavity
- big chamber
- jackshaft
- Prior art date
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- Pending
Links
- 239000000725 suspension Substances 0.000 title claims abstract description 57
- 230000003139 buffering effect Effects 0.000 claims abstract description 9
- 239000012530 fluid Substances 0.000 claims description 24
- 239000007788 liquid Substances 0.000 claims description 7
- 238000013016 damping Methods 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000005065 mining Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
- B60G21/02—Interconnection 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
- B60G21/06—Interconnection 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 fluid
- B60G21/067—Interconnection 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 fluid 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
Rear-axle suspension system in a kind of quarry tipper, including jackshaft hanging oil cylinder, big chamber connector, big chamber accumulator, Rear-axle suspension oil cylinder, ring cavity connector and ring cavity accumulator；Jackshaft hanging oil cylinder and Rear-axle suspension oil cylinder one end are connect with vehicle bridge, and the other end is connect with vehicle frame；The big chamber of jackshaft hanging oil cylinder, the big chamber of Rear-axle suspension oil cylinder pass through a big chamber connector respectively and are connected to big chamber accumulator, and jackshaft hanging oil cylinder ring cavity and Rear-axle suspension oil cylinder ring cavity pass through a ring cavity connector respectively and be connected to ring cavity accumulator.The advantages of such suspension, is: under same filled volume, avoiding the phenomenon that idle travel is excessive；So that the big chamber of hanging oil cylinder and ring cavity have back-pressure gas chamber buffering, rigid head-on collision is avoided, improves reliability；It improves and drives member's comfort.
Description
Technical field
The invention patent relates to Rear-axle suspension system in a kind of quarry tipper, doube bridge mine after being suitable for 6 × 4,8 × 4 etc.
With dumper, belong to mine vehicle technical field.
Background technique
Quarry tipper has bearing capacity big, and haul distance is short, the high feature of conevying efficiency.Due to its often operate in mining area or
The building site of person's engineering construction, road conditions are poor, and overload is serious.At present in 6 × 4 quarry tippers of China mining area operation, middle rear axle
Suspension is most of to use leaf spring, is limited by leaf spring bearing capacity, universal tonnage is lower, at 60 tons or so, and again
Measure heavier, comfort is poor, and failure rate is higher.Rear-axle suspension is hung using balanced oil and gas in small part, can be carried compared with large-tonnage,
But single-chamber accumulator structure is mostly used greatly, causes the chamber for not connecting accumulator or inflation often to generate rigid impact, drops significantly
Low system reliability.
Summary of the invention
The present invention provides Rear-axle suspension system in a kind of quarry tipper, the shortcomings that both having avoided above structure form,
The advantages of remaining balanced oil and gas suspension again.
In order to solve the above technical problems, The technical solution adopted by the invention is as follows:
Rear-axle suspension system in a kind of quarry tipper, characterized in that stored including jackshaft hanging oil cylinder, big chamber connector, big chamber
It can device, Rear-axle suspension oil cylinder, ring cavity connector and ring cavity accumulator；
Jackshaft hanging oil cylinder and Rear-axle suspension oil cylinder one end are connect with vehicle bridge, and the other end is connect with vehicle frame；Jackshaft hanging oil cylinder is big
Chamber, the big chamber of Rear-axle suspension oil cylinder pass through a big chamber connector respectively and are connected to big chamber accumulator, and jackshaft hanging oil cylinder ring cavity is with after
Bridge hanging oil cylinder ring cavity passes through a ring cavity connector respectively and is connected to ring cavity accumulator.
There is the first hydraulic fluid port and the second hydraulic fluid port on the cylinder head of jackshaft hanging oil cylinder and/or Rear-axle suspension oil cylinder；Tool in cylinder body
There are piston rod, fuse tube, the big chamber and ring cavity for accommodating disengaging oil；First hydraulic fluid port is connected to intracavitary greatly with fuse tube, and the first hydraulic fluid port is outside
Portion is connected to the big chamber connector；Ring cavity is connected to by the inner cavity of damping hole, piston rod with the second hydraulic fluid port；Second hydraulic fluid port is outside
Portion is connected to the ring cavity connector.
Jackshaft hanging oil cylinder is identical as the structure of Rear-axle suspension oil cylinder.
Big chamber accumulator and ring cavity accumulator are all made of the double accumulators of high-low pressure.
When jackshaft hanging oil cylinder is compressed, oil liquid stretches out Rear-axle suspension cylinder action after big chamber accumulator buffering.
When Rear-axle suspension oil cylinder compresses, oil liquid stretches out the movement of jackshaft hanging oil cylinder after big chamber accumulator buffering.
One end of middle Rear-axle suspension oil cylinder is connect with vehicle bridge, and the other end is connect with vehicle frame, jackshaft suspension cylinder and Rear-axle suspension
The big chamber of cylinder and big chamber are interconnected by accumulator, and ring cavity and ring cavity are interconnected by accumulator, and accumulator is using the double accumulators of high-low pressure
Form, such equalizing suspension system is relative to common middle rear axle oleo-pneumatic suspension advantage: 1, under same filled volume, making cylinder buffer curve
It is more linear, avoid the phenomenon that idle travel is excessive.2, make the big chamber of hanging oil cylinder and ring cavity have back-pressure gas chamber buffering, avoid
Rigidity head-on collision, improves reliability.3, member's comfort is driven to be improved.
Detailed description of the invention
Fig. 1 is assembling schematic diagram of the present invention；
Fig. 2 is jackshaft hanging oil cylinder internal structure chart of the present invention；
In figure, jackshaft hanging oil cylinder 1, big chamber connector 2, big chamber accumulator 3, Rear-axle suspension oil cylinder 4, ring cavity connector 5, ring cavity
Accumulator 6, cylinder head 7, the first hydraulic fluid port 8, the second hydraulic fluid port 9, piston rod 10, guide ring 11, cylinder body 12, fuse tube 13, damping hole 14 are living
Plug 15, cylinder bottom seat 16.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings.
As depicted in figs. 1 and 2, in quarry tipper Rear-axle suspension system include jackshaft hanging oil cylinder 1, big chamber connector 2,
Big chamber accumulator 3, Rear-axle suspension oil cylinder 4, ring cavity connector 5 and ring cavity accumulator 6.Jackshaft hanging oil cylinder 1 and Rear-axle suspension oil
4 one end of cylinder is connect with vehicle bridge, and the other end is connect with vehicle frame.The big chamber of jackshaft hanging oil cylinder 1 leads to respectively with the big chamber of Rear-axle suspension oil cylinder 4
Excessive chamber connector 2 is interconnected with big chamber accumulator 3, and 1 ring cavity of jackshaft hanging oil cylinder and 4 ring cavity of Rear-axle suspension oil cylinder pass through ring respectively
Chamber connector 5 and ring cavity accumulator 6 interconnect.Big chamber accumulator 3 and ring cavity accumulator 6 are all made of the double accumulator forms of high-low pressure,
It can be avoided the excessive phenomenon of idle travel.
Jackshaft hanging oil cylinder 1 and the structure of Rear-axle suspension oil cylinder 4 are identical, and the first hydraulic fluid port 8 and the second oil are all had on cylinder head 7
Mouth 9；Piston rod 10, fuse tube 13 are all had in cylinder body 12, accommodate the big chamber and ring cavity of disengaging oil.First hydraulic fluid port 8 it is big it is intracavitary with
Fuse tube 13 is connected to, and the first hydraulic fluid port 8 is connected in outside with big chamber connector 2.Ring cavity by damping hole 14, piston rod 10 inner cavity with
The connection of second hydraulic fluid port 9.Second hydraulic fluid port 9 is connected in outside with ring cavity connector 5.
Application scenario description of the present invention: jackshaft hanging oil cylinder 1 is compressed combined with Figure 1 and Figure 2, and the oil liquid in big chamber is being pressed
The effect of contracting power is lower to be flowed out by fuse tube 13 by the first hydraulic fluid port 8, flows into rear axle after excessive chamber connector 2, big chamber accumulator 3 buffering
First hydraulic fluid port of hanging oil cylinder 4, oil liquid enter the big chamber of Rear-axle suspension oil cylinder through the fuse tube of Rear-axle suspension oil cylinder, and oil pressure acts on
On 4 piston of Rear-axle suspension oil cylinder, keep the piston rod of Rear-axle suspension oil cylinder 4 protruding, i.e. the movement of Rear-axle suspension oil cylinder 4 is stretched out；
The oil liquid in 4 ring cavity of Rear-axle suspension oil cylinder is flowed under compression force by the inner cavity of its damping hole, piston rod at the same time
Second hydraulic fluid port of Rear-axle suspension oil cylinder is flowed out through the second hydraulic fluid port, is flowed into after ring cavity connector 5 and ring cavity accumulator 6 buffer
Second hydraulic fluid port 9 of jackshaft hanging oil cylinder 1 enters in the ring cavity of jackshaft hanging oil cylinder 1.
Therefore, when jackshaft hanging oil cylinder 1 is compressed, after big chamber accumulator 3 buffering, stretch out the movement of Rear-axle suspension oil cylinder 4.
Ring cavity accumulator 6, plays buffer function when Rear-axle suspension cylinder stretches out.
Similarly, when Rear-axle suspension oil cylinder 4 compresses, after big chamber accumulator 6 buffering, stretch out the movement of jackshaft hanging oil cylinder 1.
Ring cavity accumulator 6 also functions to buffer function when jackshaft suspension cylinder stretches out.
When occurring in driving if there is crossing a pit situations such as crossing a ridge, jackshaft or Rear-axle suspension oil cylinder acutely compress, and will lead to
Corresponding another oil cylinder quickly stretches out, and big chamber accumulator 3 and ring cavity accumulator 6 play the role of greatly delaying impact at this time,
The piston 15 of oil cylinder is protected rigid impact not to occur with 11 end face of guide ring and 16 end face of cylinder bottom seat.
Claims (6)
1. Rear-axle suspension system in a kind of quarry tipper, characterized in that including jackshaft hanging oil cylinder, big chamber connector, big chamber
Accumulator, Rear-axle suspension oil cylinder, ring cavity connector and ring cavity accumulator；
Jackshaft hanging oil cylinder and Rear-axle suspension oil cylinder one end are connect with vehicle bridge, and the other end is connect with vehicle frame；Jackshaft hanging oil cylinder is big
Chamber, the big chamber of Rear-axle suspension oil cylinder pass through a big chamber connector respectively and are connected to big chamber accumulator, and jackshaft hanging oil cylinder ring cavity is with after
Bridge hanging oil cylinder ring cavity passes through a ring cavity connector respectively and is connected to ring cavity accumulator.
2. Rear-axle suspension system in quarry tipper according to claim 1, characterized in that jackshaft hanging oil cylinder and/or
There is the first hydraulic fluid port and the second hydraulic fluid port on the cylinder head of Rear-axle suspension oil cylinder；Oil is passed in and out with piston rod, fuse tube, receiving in cylinder body
Big chamber and ring cavity；First hydraulic fluid port is connected to intracavitary greatly with fuse tube, and the first hydraulic fluid port is connected in outside with the big chamber connector；Ring cavity
It is connected to by the inner cavity of damping hole, piston rod with the second hydraulic fluid port；Second hydraulic fluid port is connected in outside with the ring cavity connector.
3. Rear-axle suspension system in quarry tipper according to claim 1, characterized in that jackshaft hanging oil cylinder and rear axle
The structure of hanging oil cylinder is identical.
4. Rear-axle suspension system in quarry tipper according to claim 1, characterized in that big chamber accumulator and ring cavity store
Energy device is all made of the double accumulators of high-low pressure.
5. Rear-axle suspension system in quarry tipper according to claim 1, characterized in that the compression of jackshaft hanging oil cylinder
When, oil liquid stretches out Rear-axle suspension cylinder action after big chamber accumulator buffering.
6. Rear-axle suspension system in quarry tipper according to claim 1, characterized in that the compression of Rear-axle suspension oil cylinder
When, oil liquid stretches out the movement of jackshaft hanging oil cylinder after big chamber accumulator buffering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811592365.2A CN109649109A (en) | 2018-12-21 | 2018-12-21 | Rear-axle suspension system in a kind of quarry tipper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811592365.2A CN109649109A (en) | 2018-12-21 | 2018-12-21 | Rear-axle suspension system in a kind of quarry tipper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109649109A true CN109649109A (en) | 2019-04-19 |
Family
ID=66116160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811592365.2A Pending CN109649109A (en) | 2018-12-21 | 2018-12-21 | Rear-axle suspension system in a kind of quarry tipper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109649109A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0730988A1 (en) * | 1995-03-09 | 1996-09-11 | Automobiles Peugeot | Hydropneumatic suspension for motor vehicles |
| CN102910070A (en) * | 2012-11-13 | 2013-02-06 | 北京汽车股份有限公司 | Vibration energy recovery system and automobile with same |
| CN105584357A (en) * | 2016-03-16 | 2016-05-18 | 徐州重型机械有限公司 | Drive axle assembly and engineering vehicle |
| CN106739910A (en) * | 2016-12-19 | 2017-05-31 | 徐州重型机械有限公司 | A kind of Multistage suspension oil cylinder, suspension and engineering truck |
| CN107264219A (en) * | 2017-07-12 | 2017-10-20 | 徐州徐工矿山机械有限公司 | A kind of mine car rear suspension assembly |
| CN107471949A (en) * | 2017-08-30 | 2017-12-15 | 湖北优软商用车悬架有限公司 | A kind of adjustable for height empty fully loaded self-adapted car hydro pneumatic suspension |
| CN209581072U (en) * | 2018-12-21 | 2019-11-05 | 徐州徐工矿山机械有限公司 | Rear-axle suspension system in a kind of quarry tipper |
-
2018
- 2018-12-21 CN CN201811592365.2A patent/CN109649109A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0730988A1 (en) * | 1995-03-09 | 1996-09-11 | Automobiles Peugeot | Hydropneumatic suspension for motor vehicles |
| CN102910070A (en) * | 2012-11-13 | 2013-02-06 | 北京汽车股份有限公司 | Vibration energy recovery system and automobile with same |
| CN105584357A (en) * | 2016-03-16 | 2016-05-18 | 徐州重型机械有限公司 | Drive axle assembly and engineering vehicle |
| CN106739910A (en) * | 2016-12-19 | 2017-05-31 | 徐州重型机械有限公司 | A kind of Multistage suspension oil cylinder, suspension and engineering truck |
| CN107264219A (en) * | 2017-07-12 | 2017-10-20 | 徐州徐工矿山机械有限公司 | A kind of mine car rear suspension assembly |
| CN107471949A (en) * | 2017-08-30 | 2017-12-15 | 湖北优软商用车悬架有限公司 | A kind of adjustable for height empty fully loaded self-adapted car hydro pneumatic suspension |
| CN209581072U (en) * | 2018-12-21 | 2019-11-05 | 徐州徐工矿山机械有限公司 | Rear-axle suspension system in a kind of quarry tipper |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190419 |