CN103527550B - Multistage dual-hinge-shaft inverted oil cylinder - Google Patents
Multistage dual-hinge-shaft inverted oil cylinder Download PDFInfo
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- CN103527550B CN103527550B CN201310480523.6A CN201310480523A CN103527550B CN 103527550 B CN103527550 B CN 103527550B CN 201310480523 A CN201310480523 A CN 201310480523A CN 103527550 B CN103527550 B CN 103527550B
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Abstract
The present invention announces a kind of multistage dual-hinge-shaft inverted oil cylinder of dumper, relates to oil cylinder of dumper technical field.A kind of multistage dual-hinge-shaft inverted oil cylinder, it includes: base cylinder assembly, cylinder barrel assembly at different levels, piston-rod assembly, cylinder bottom assembly and black box；Described black box includes a dust ring and two y-type seal rings；Described base cylinder assembly includes base cylinder, the hold-down ring being fixed on base cylinder and base cylinder hinged block, also includes the base cylinder hinge being arranged on base cylinder hinged block；Described piston-rod assembly includes piston rod and is arranged on the piston rod hinge of piston rod end；Described base cylinder hinge is hinged with compartment, and piston rod hinge is hinged with vehicle frame.The present invention uses double hinge installation form, and stressing conditions is good；Being designed by inverted structure, eliminate first class of protection cylinder, reduce production cost, the opening up installation of y-type seal ring so that even if under low voltage situations, seal area is also with the presence of pressure, it is ensured that low pressure seal performance.
Description
Technical field
The present invention relates to oil cylinder of dumper technical field, specifically a kind of dumper is oily with multistage pair of hinge inversion type
Cylinder.
Background technology
Existing oil cylinder of dumper take blame for others before being divided into and in take blame for others two kinds.In take blame for others by the bar such as installing space, pressure
Part is limited, and is used for small-sized dumper, and market scope is smaller.Before take blame for others the thrust that can provide bigger,
And installing space is bigger, being used for medium-sized and heavy-duty tipper, the market demand is bigger.Dumper sinciput
Cylinder is multistage single-action telescopic sleeve hydraulic cylinder, is divided into double hinged and hinge Earrings type according to installation form.
The hinge of hinge Earrings type oil cylinder is connected with vehicle frame, and earrings is connected with compartment, equipped with oscillating bearing on earrings,
Earrings and bearing thickness all ratios are relatively thin, and the arm of force is smaller, and stressing conditions is poor, poor to offset load resistance；
Double hinge oil cylinders are the most all by stud connection, and stressing conditions is relatively good, and offset load resistance is stronger, but ratio
Hinge Earrings type oil cylinder is many first class of protection cylinder.
In real work, owing to actual condition is more complicated, the Uneven road that such as works, walk while work etc.
Situation, unbalance loading is unavoidable, and this just requires that oil cylinder has certain offset load resistance, therefore takes blame for others before dumper
Select double hinged oil cylinders more, but the many one-level cylinder barrels of double hinge oil cylinder, cost adds a lot, is contrary to market
Economic principle, unfavorable to product market competition.Additionally, both oil cylinders are in order to ensure high pressure sealing performance, many
Using two-stage Y-shaped ring to seal, the sealing means that one-level dust ring is dust-proof, this has resulted in low pressure seal performance not
Good, under low voltage situations, easily there is situation about revealing.
Summary of the invention
For the practical problem in the presence of above-mentioned, the present invention provides a kind of multistage dual-hinge-shaft inverted oil cylinder.
The present invention is achieved through the following technical solutions: a kind of multistage dual-hinge-shaft inverted oil cylinder, and it includes:
Base cylinder assembly, cylinder barrel assembly at different levels, piston-rod assembly, cylinder bottom assembly and black box；Described black box
Including a dust ring and two y-type seal rings；Described base cylinder assembly includes base cylinder, is fixed on base cylinder
Hold-down ring and base cylinder hinged block, also include the base cylinder hinge being arranged on base cylinder hinged block；Described piston rod is total
Become to include piston rod and be arranged on the piston rod hinge of piston rod end；Described base cylinder hinge is hinged with compartment,
Piston rod hinge is hinged with vehicle frame；It is that sphere connects between base cylinder hinged block and base cylinder hinge；Described piston rod
The bottom including a hollow circuit cylinder cylinder, being fixed on cylindrical drum one end and the outer end being fixed on the cylindrical drum other end
Lid；Described outer end cap is provided with cannulated threaded post, threaded post is offered oil-in；At described piston rod
Inside is provided with oil pipe, and oil pipe one end connects oil-in, and the oil pipe other end is through bottom and is fixed on bottom；Institute
The piston rod hinge center stated has stepped hole, and piston rod hinge is by the macropore in stepped hole and is located at threaded post
On self-locking nut coordinate be arranged on outer end cap.
It is further: described bottom is fixed with oil pipe with welding manner.
It is provided with check washer between described piston rod hinge and self-locking nut.
The present invention uses double hinge installation form, and compartment is all to be connected with oil cylinder by hinge with vehicle frame, stress
Situation is good；Being designed by inverted structure, i.e. during oil cylinder lifting, cylinder diameter is the biggest, more above, eliminates one-level and protects
Casing, reduces production cost.Two-stage Y-shaped ring is used to seal, the sealing means that one-level dust ring is dust-proof, protect
The high pressure sealing performance of card oil cylinder, the opening up installation of y-type seal ring so that even if under low voltage situations, seal
District is also with the presence of pressure, it is ensured that low pressure seal performance.
The present invention is safe, economical, good seal performance, has both ensured the offset load resistance of oil cylinder, has reduced again oil cylinder
Production cost.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram；
Fig. 2 is partial enlarged drawing at the I of Fig. 1.
In figure: 1, base cylinder；2, hold-down ring；3, base cylinder hinge；4, base cylinder hinged block；5, black box；
6, piston rod hinge；7, self-locking nut；8, threaded post；81, oil-in；9, stepped hole；10, piston
Bar；101, bottom；102, outer end cap；11, oil pipe；12, dust ring；13, y-type seal ring；14、
Loosen pad.
Detailed description of the invention
The following is a specific embodiment of the present invention, in conjunction with accompanying drawing, the present invention will be further described.
As depicted in figs. 1 and 2, a kind of multistage dual-hinge-shaft inverted oil cylinder, it includes: base cylinder assembly, at different levels
Cylinder barrel assembly, piston-rod assembly, cylinder bottom assembly and black box 5；Black box 5 includes a dust ring 12
With two y-type seal rings 13；Base cylinder assembly includes base cylinder 1, be fixed on base cylinder 1 hold-down ring 2 and base cylinder
Hinged block 4, also includes the base cylinder hinge 3 being arranged on base cylinder hinged block 4；Piston-rod assembly includes piston rod
10 and be arranged on the piston rod hinge 6 of piston rod 10 end；Base cylinder hinge 3 is hinged with compartment, and piston rod cuts with scissors
Axle 6 is hinged with vehicle frame；It is that sphere connects between base cylinder hinged block 4 and base cylinder hinge 3；Piston rod 10 includes
One hollow circuit cylinder cylinder, it is fixed on the bottom 101 of cylindrical drum one end and is fixed on the outer end cap of the cylindrical drum other end
102；Outer end cap 102 is provided with cannulated threaded post 8, threaded post 8 is offered oil-in 81；At piston rod
The 10 internal oil pipes 11 that are provided with, oil pipe 11 one end connection oil-in 81, oil pipe 11 other end passes bottom 101
And be welded on bottom 101；Piston rod hinge 6 center has stepped hole 9, and piston rod hinge 6 passes through step
Macropore in hole 9 and the cooperation being located in threaded post are arranged on outer end cap 102；Piston rod hinge 6 and self-locking
Being provided with between nut 7, self-locking nut 7 and check washer 14 can prevent piston rod hinge 6 from disengaging.
In sum: in multistage dual-hinge-shaft inverted oil cylinder, using double hinge installation form, compartment and vehicle frame are equal
Being to be connected with oil cylinder by hinge, stressing conditions is good；Designed by inverted structure, eliminate first class of protection cylinder,
Effectively reduce production cost.Black box uses two-stage Y-shaped ring to seal, the sealing that one-level dust ring is dust-proof
Mode, it is ensured that the high pressure sealing performance of oil cylinder, the opening up installation of y-type seal ring so that even if low voltage situations
Under, seal area is also with the presence of pressure, it is ensured that low pressure seal performance.
Claims (3)
1. a multistage dual-hinge-shaft inverted oil cylinder, it includes: base cylinder assembly, cylinder barrel assembly at different levels, piston
Bar assembly, cylinder bottom assembly and black box (5)；Described black box (5) includes a dust ring (12)
With two y-type seal rings (13)；Described base cylinder assembly includes base cylinder (1), is fixed on base cylinder (1)
Hold-down ring (2) and base cylinder hinged block (4), also include base cylinder hinge (3) being arranged on base cylinder hinged block (4)；
Described piston-rod assembly includes piston rod (10) and is arranged on the piston rod hinge (6) of piston rod (10) end；
It is characterized in that: described base cylinder hinge (3) is hinged with compartment, described piston rod hinge (6) and vehicle frame
Hinged；It is that sphere connects between base cylinder hinged block (4) and base cylinder hinge (3)；Described piston rod (10)
The bottom (101) that including a hollow circuit cylinder cylinder, is fixed on cylindrical drum one end and be fixed on the cylindrical drum other end
Outer end cap (102)；Described outer end cap (102) is provided with cannulated threaded post (8), threaded post (8)
On offer oil-in (81)；It is provided with oil pipe (11), oil pipe (11) in described piston rod (10) inside
End connects oil-in (81), and oil pipe (11) other end is through bottom (101) and is fixed on bottom (101)
On；Described piston rod hinge (6) center has stepped hole (9), and piston rod hinge (6) passes through stepped hole
(9) macropore in and self-locking nut (7) cooperation being located in threaded post are arranged on outer end cap (102).
Multistage dual-hinge-shaft inverted oil cylinder the most according to claim 1, it is characterised in that: the described end
Lid (101) is fixed with oil pipe (11) with welding manner.
Multistage dual-hinge-shaft inverted oil cylinder the most according to claim 1, it is characterised in that: described work
Check washer (14) it is provided with between stopper rod hinge (6) and self-locking nut (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310480523.6A CN103527550B (en) | 2013-10-15 | 2013-10-15 | Multistage dual-hinge-shaft inverted oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310480523.6A CN103527550B (en) | 2013-10-15 | 2013-10-15 | Multistage dual-hinge-shaft inverted oil cylinder |
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| Publication Number | Publication Date |
|---|---|
| CN103527550A CN103527550A (en) | 2014-01-22 |
| CN103527550B true CN103527550B (en) | 2016-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310480523.6A Active CN103527550B (en) | 2013-10-15 | 2013-10-15 | Multistage dual-hinge-shaft inverted oil cylinder |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104358739B (en) * | 2014-11-07 | 2017-02-15 | 青岛卓通液压机械设备有限公司 | Back-push type multistage hydraulic oil cylinder |
| CN104632776A (en) * | 2014-12-16 | 2015-05-20 | 四川重汽王牌兴城液压件有限公司 | Hinged shaft oil inlet type second-stage sleeve hydraulic cylinder for dumper |
| CN105715611A (en) * | 2016-04-14 | 2016-06-29 | 四川重汽王牌兴城液压件有限公司 | Hydraulic lifting cylinder of heavy truck dumper |
| CN108533562A (en) * | 2018-04-25 | 2018-09-14 | 徐州徐工液压件有限公司 | A kind of high reliability thin-walled multistage hydraulic cylinder sealing system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2562007Y (en) * | 2002-07-27 | 2003-07-23 | 涂兴明 | Multi-stage hydraulic cylinder assembly of tipper |
| EP1652811A1 (en) * | 2004-10-27 | 2006-05-03 | H.S. PENTA S.r.l. | Multistage telescopic cylinder for moving loads |
| CN201301841Y (en) * | 2008-11-11 | 2009-09-02 | 丁月芝 | Single-action telescopic-sleeve hydraulic cylinder |
| CN201326604Y (en) * | 2008-11-07 | 2009-10-14 | 山东临清迅力变压器有限公司 | Novel telescopic sleeve hydraulic hoist cylinder |
| CN201416579Y (en) * | 2009-04-22 | 2010-03-03 | 黄培华 | Single-acting telescopic hydraulic cylinder reinforcing device |
| CN202031913U (en) * | 2011-03-11 | 2011-11-09 | 厦门银华机械有限公司 | Internally designed oil pipe of hydraulic multi-stage cylinder piston rod |
| CN203516277U (en) * | 2013-10-15 | 2014-04-02 | 徐州科源液压股份有限公司 | Multi-stage upside-down oil cylinder with two hinged shafts |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6994009B2 (en) * | 2001-05-16 | 2006-02-07 | Sam W. Carter | Powered pipe cutter |
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2013
- 2013-10-15 CN CN201310480523.6A patent/CN103527550B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2562007Y (en) * | 2002-07-27 | 2003-07-23 | 涂兴明 | Multi-stage hydraulic cylinder assembly of tipper |
| EP1652811A1 (en) * | 2004-10-27 | 2006-05-03 | H.S. PENTA S.r.l. | Multistage telescopic cylinder for moving loads |
| CN201326604Y (en) * | 2008-11-07 | 2009-10-14 | 山东临清迅力变压器有限公司 | Novel telescopic sleeve hydraulic hoist cylinder |
| CN201301841Y (en) * | 2008-11-11 | 2009-09-02 | 丁月芝 | Single-action telescopic-sleeve hydraulic cylinder |
| CN201416579Y (en) * | 2009-04-22 | 2010-03-03 | 黄培华 | Single-acting telescopic hydraulic cylinder reinforcing device |
| CN202031913U (en) * | 2011-03-11 | 2011-11-09 | 厦门银华机械有限公司 | Internally designed oil pipe of hydraulic multi-stage cylinder piston rod |
| CN203516277U (en) * | 2013-10-15 | 2014-04-02 | 徐州科源液压股份有限公司 | Multi-stage upside-down oil cylinder with two hinged shafts |
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| CN103527550A (en) | 2014-01-22 |
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