CN103925257B - Jacking system - Google Patents
Jacking system Download PDFInfo
- Publication number
- CN103925257B CN103925257B CN201410139542.7A CN201410139542A CN103925257B CN 103925257 B CN103925257 B CN 103925257B CN 201410139542 A CN201410139542 A CN 201410139542A CN 103925257 B CN103925257 B CN 103925257B
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- China
- Prior art keywords
- cylinder body
- fairlead
- guide
- cylinder
- piston rod
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- 238000007789 sealing Methods 0.000 claims abstract description 5
- 239000000945 filler Substances 0.000 claims description 4
- 230000004323 axial length Effects 0.000 claims description 2
- 239000003921 oil Substances 0.000 abstract description 16
- 239000012634 fragment Substances 0.000 abstract description 6
- 239000002184 metal Substances 0.000 abstract description 6
- 230000001771 impaired effect Effects 0.000 abstract description 3
- 239000010727 cylinder oil Substances 0.000 abstract description 2
- 238000007790 scraping Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 10
- 238000005096 rolling process Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000013528 metallic particle Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 235000014593 oils and fats Nutrition 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- Actuator (AREA)
Abstract
nullThe present invention relates to a kind of jacking system，Device includes the hydraulic cylinder of vertical laying，The piston rod external part of hydraulic cylinder is positioned at the lower section of cylinder body，The outer sheathed fairlead of cylinder body，Cylinder body and fairlead are arranged with core and are constituted and be positioned at being slidably matched of vertical direction，The upper end of cylinder body is connected with guide-rail plate lower panel face，Piston rod offers the first oilhole，The chamber at the place, upper surface of the first oilhole and piston，Fairlead serves the support to cylinder body and guiding，The direction that cylinder body is limited only along fairlead moves up and down，Even if occurring that scraping damage phenomenon also exists only between the outer wall of cylinder body and fairlead，At the work surface cooperated between piston rod and cylinder body, damage phenomenon is avoided，In addition，The underlying mode of piston rod makes the opening of cylinder body be positioned at lower end，Husky bits can be stopped、Metal fragment gos deep in cylinder at the fit clearance of piston rod and oil cylinder end，Avoid the phenomenon that sealing member is impaired，And then avoid hydraulic cylinder oil leakage phenomenon，Ensure the service behaviour of jacking system.
Description
Technical field
The present invention relates to body of a motor car processing press equipment technical field, particularly as being a kind of top
Lifting device.
Background technology
Forcing press volume used in body of a motor car punching press, weight are the biggest, typically by forcing press
Workbench be arranged on guide-rail plate, in order to the actions such as the movement of workbench, commutation, guide-rail plate
Intersect two groups of guide rails of (being typically to be arranged vertically) including first, second, how at two groups
Realizing the actions such as the transition of workbench, commutation between guide rail, those skilled in the art use such as lower section
Case: combine shown in Fig. 1, the bottom of workbench 1 is provided with first, second roller group 2,3, and two
The group roller group roller that respectively just direction is coplanar by four forms, the wherein roller of the first roller group 2
Axis direction is vertical with the roller axis direction of the second roller group 3, and the wheelbase of the first roller group 2 is big
In or less than the wheelspan of the second roller group 3, when workbench 1 is on the first guide rail 4, need
When workbench 1 being transformed on second group of guide rail 5, between second group of guide rail 5 is used by technical staff
Disconnected formula is arranged, and arranges hydraulic cylinder 6, hydraulic cylinder 6 in the bottom of the discontinuity position of second group of guide rail 5
Jack-up pistons end be provided with the track plates being consistent with second group of guide rail 5, the track plates at this
Highly less than the orbital plane height of second group of guide rail 5, what at this, the one-tenth of setting was relatively low dodges position,
Second roller group 3 can be formed effective evaded distance in short transverse, workbench 1 is to
During the when that two groups of guide rails 5 converting, the second roller group 3, during movement, can be avoided
Second roller group 3 of workbench 1 bottom is interfered by the rail level of second group of guide rail 5, works as work
Hydraulic cylinder when platform 1 moves to two groups of guide rail middle position, at second group of guide rail 5 discontinuity position
6 actions, thus the track plates that will be located in hydraulic cylinder 6 upper end is raised, so that the first roller
The rail level of group 2 and the first guide rail 4 departs from, and workbench 1 now can be driven along second group of track 5
Roll, and then workbench 1 can be transformed to the second guide rail 5 from the first guide rail 4.
Applying the traditional hydraulic cylinder fixed form at rail base is that cylinder body is fixed, and piston rod is vertical
Direction is moved, and is fixed the end in the lower panel face of guide-rail plate with piston rod, and then can be by guide rail
Plate jack-up.But the ground sand in the working environment of reality is considered to be worth doing, metal fragment is the most, traditional
Hydraulic cylinder is during actual use, and the roller of mobile working platform connects with the end face of shoring of hydraulic cylinder
Touch position uncertain, thus cause relative between the piston rod of hydraulic cylinder and inboard wall of cylinder block inclined
Carrying, husky bits, metal fragment easily drop into piston and the inwall of cylinder body and piston and cylinder cap through hole position
Put place, there will be at above-mentioned two and seriously scrape damage phenomenon, cause O-ring seal impaired, and then easily
Oil leakage phenomenon is caused to occur, the oil leakage phenomenon of this kind of hydraulic cylinder appearance and oil cylinder failure phenomenon, no
Only can affect the production efficiency of enterprise, but also the actual production virtually adding enterprise becomes
, even there are the accident potential such as equipment inclination in this.
Summary of the invention
It is an object of the invention to: a kind of jacking system is provided, is effectively reduced hydraulic cylinder due to partially
Carry and hydraulic cylinder is caused by dust, impurity particle thing scrapes damage, it is to avoid the generation of leakage of oil situation, protect
The service behaviour of card oil cylinder.
For achieving the above object, the technical solution used in the present invention is: include the hydraulic pressure of vertical laying
Cylinder, hydraulic cylinder includes piston rod and cylinder body, and the external part of described piston rod is positioned at the lower section of cylinder body,
The outer sheathed fairlead of described cylinder body, described cylinder body and fairlead are arranged with core and are constituted and be positioned at vertically
Being slidably matched of direction, the upper end of cylinder body is connected with guide-rail plate lower panel face, and piston rod is provided with
The chamber at the place, upper surface of the first oilhole, the first oilhole and piston.
Compared with prior art, the technique effect that the present invention possesses is: sheathed at the outer wall of cylinder body lead
To set, fairlead serves the support to cylinder body and guide effect, and cylinder body is safeguarded location by fairlead
Live so that cylinder body does jacking and the action moved down only along the direction of the inner wall limit of fairlead,
Guide-rail plate bears the effect of unbalance loading moment of flexure, and fairlead serves the effect of support to cylinder body, i.e. uses
Now scrape damage phenomenon also exist only between the outer wall of cylinder body and fairlead, unbalance loading occur moment of flexure and make
At the work surface cooperated between the piston rod and the cylinder body that become, damage phenomenon is avoided, in addition,
The underlying mode of this piston rod ensure that the opening of cylinder body is positioned at lower end, can substantially stop husky bits,
Metal fragment gos deep in cylinder at the fit clearance of piston rod and oil cylinder end, and then can avoid close
The phenomenon that sealing is impaired, this kind of jacking system can be prevented effectively from the generation of hydraulic cylinder oil leakage phenomenon, protects
The service behaviour of card jacking system.
Accompanying drawing explanation
Fig. 1 is 3 location state diagrams when workbench and guide rail cooperation；
Fig. 2 is the schematic perspective view of the present invention；
Fig. 3 is that the present invention dismantles the schematic perspective view of cover plate and guide-rail plate；
Fig. 4 is the sectional structure schematic diagram of the present invention.
Detailed description of the invention
In conjunction with accompanying drawing, the present invention will be further described in detail:
A kind of jacking system, including the hydraulic cylinder 10 of vertical laying, hydraulic cylinder 10 includes piston rod
11 and cylinder body 12, described piston rod 11 external part is positioned at the lower section of cylinder body 12, described cylinder body
12 outer sheathed fairleads 20, described cylinder body 12 and fairlead 20 arrange with core and constitute be positioned at perpendicular
Nogata to be slidably matched, the upper end of cylinder body 12 and guide-rail plate 30 lower panel face are connected, piston
Bar 11 offers the chamber of the first oilhole 11a, the first oilhole 11a and the place, upper surface of piston 111
Room connects.
In conjunction with Fig. 2 to shown in 4, the first oilhole 11a arranged on piston rod 11 is utilized to be passed through pressure
Oil, pressure oil can be by cylinder body 12 jack-up, and at the outer wall position of cylinder body 12, sheathed fairlead 20, leads
Serving the support to cylinder body 12 and guide effect to set 20, cylinder body 12 is safeguarded by fairlead 20
Position so that cylinder body 12 only along the direction of the inner wall limit of fairlead 20 do jacking and under
The action moved, guide-rail plate 30 bears the effect of unbalance loading moment of flexure, fairlead 20 rising cylinder body 12
Arrive the effect helped, damaged phenomenon and also only can be present in the outer wall of cylinder body 12 even if occurring scraping and lead
Between set 20, moment of flexure that unbalance loading occurs and phase between the piston rod 11 and the cylinder body 12 that cause
Scrape damage phenomenon at the work surface coordinated mutually to be avoided, in addition, the mode that this piston rod 11 is underlying
Ensure that the opening of cylinder body 12 is positioned at lower end, can stop the grains of sand, metallic particles from piston rod 11 with
Going deep at the fit clearance of oil cylinder end in cylinder, this kind of jacking system effective can avoid hydraulic cylinder 10
The generation of oil leakage phenomenon, it is ensured that the service behaviour of jacking system, this kind of novel hydraulic cylinder 10, no
Only can avoid husky bits, the falling into of metal fragment, but also decrease piston rod 10 and cylinder body 20
Between abrasion, therefore can be prevented effectively from sealing ring and damage the generation of phenomenon, and then avoid hydraulic cylinder
The generation of oil leakage phenomenon, it is ensured that the service behaviour of hydraulic cylinder 10, extends reality the most further
Service life.
Further, shown in Fig. 3, the described inwall edge at fairlead 20 end position
Its length direction offers two rectangular channels 21, and described rectangular channel 21 is along the shaft core of fairlead 20
It is symmetrical arranged, described guide-rail plate 30 rectangular bar tabular, its length and the two of two rectangular channels 21
Individual bottom land spacing relative to each other is consistent, and the width of guide-rail plate 30 is consistent with the groove width of rectangular channel 21,
The lower panel face fastening of described guide-rail plate 30 is arranged on the plate face, upper end of cylinder body 12, rectangular channel
The both ends for housing guide-rail plate 30 of 21, rectangular channel 21 has not only acted as guide-rail plate 30
Guide effect, and serve the position-limiting action to guide-rail plate 30, can avoid due to cylinder body 12
During rising, hydraulic cylinder 10 rotate phenomenon, it is ensured that after the lifting of guide-rail plate 30 with lead
Postpone unanimously all the time in the direction of rail.
Further, low, in conjunction with Fig. 2 and Fig. 4 in the middle part of the height of two ends, described guide-rail plate 30 upper board face
Shown in, when the roller group of workbench 1 is on the plate face of guide-rail plate 30 rolling, due to guide rail
Plate 30 is gradually risen setting by centre to two ends, when roller group is positioned at guide-rail plate 30 end positions
Time, the effect that cylinder body 12 is helped by fairlead 20, cylinder body 12 can be avoided to be combined with piston rod 11
The scratch in face, gradually rises to two ends in the middle of guide-rail plate 30 and arranges the roller that can make workbench 1
Group quickly guides to the middle lower position of guide-rail plate 30, and then can further reduce curved
The square effect to cylinder body 12, the two ends of guide-rail plate 30 are actually at one with middle difference in height
The least scope, concrete scope, between 1～2mm, is made suitably according to actual working condition
Select；The upper surface of described fairlead 20 is fixedly installed the cover plate 22 of two plate face levels,
Described cover plate 22 edge contour includes arc-shaped edges and straight flange, described arc-shaped edges and fairlead 20 end
Portion's outside wall surface laminating, described straight flange is parallel with the length direction of guide-rail plate 30, and adjacent rail plate
The long limit of 30 is arranged, and the spacing between the straight flange of said two cover plate 22 is more than the length of guide-rail plate 30
Spacing between limit, the clearance-type of cover plate 22 and guide-rail plate 30 is arranged, when moving on guide-rail plate 30
During, guide-rail plate 30 will not be caused interference by the straight flange of cover plate 22, both can ensure that guide-rail plate
The normal lifting of 30, can reduce again fairlead 20 and coordinate face to be in cylinder body 12 to appear state,
Utilize two cover plates 22 can reduce husky bits, metal fragment etc. and fall into the upper end of fairlead 20,
The scratch between fairlead 20 and cylinder body 12 inwall can also be reduced.
Further, it is high-order that the upper end of described fairlead 20 is in jacking less than guide-rail plate 30
Time height, the height when upper end of described fairlead 20 is in low level with guide-rail plate 30 is concordant,
Workbench 1 by the first set of rails 4 during the second set of rails 5 converts, it is possible to guarantee rolling
Being connected and being connected between guide-rail plate 30 and guide rail between wheels with guide-rail plate 30, it is ensured that rolling
The commutating smoothly and be positioned on guide rail rolling of wheels.
More specifically, the opening part of described cylinder body 12 is fixed with and the stopper rod of piston rod 11
112 cylinder covers 40 coordinated, the axial length direction along stopper rod 112 offers the second oilhole 11b,
The chamber at the place, lower surface of described second oilhole 11b and piston 111, described second oilhole
11b along the axially arranged of stopper rod 112 and the chamber at the place, lower surface with piston 112,
The upper surface of described piston 111 offers heavy stand 111a, the first oilhole 11a along center position
Bar length direction along piston rod 11 arranges and connects at the bottom of the platform of heavy stand 111a, first, second
Oilhole 10a, 10b are connected with valve and oil cylinder by flexible pipe.
Further, the bottom of described fairlead 20 is provided with base plate 50, described base plate
50 are horizontally disposed with and are connected by the bottom of bolt with fairlead 20, the plate face of described base plate 50
On offer the through hole corresponding with first, second oilhole 11a, 11b, the stopper rod 112 of piston rod 11
Bottom fixed by bolt and base plate 50, during actual use, base plate 50 is fixed
It is arranged on machine seat board, so whole hydraulic cylinder can be fixed up.
Between described piston 111 and cylinder body 12, between stopper rod 112 and cylinder cover 40 and oil
It is provided with sealing member between cylinder end cap 40 and cylinder body 12.
Finally, the inwall of described fairlead 20 is provided with cannelure 23 along its circumferential direction, leads
Being provided with oil filler point 20a on set 20, described oil filler point 20a connects with cannelure 23, passes through
Oils and fats is injected, it is ensured that the lubrication between cylinder body and fairlead 20, to reduce in cannelure 23
Abrasion.
Claims (7)
1. a jacking system, hydraulic cylinder (10) including vertical laying, hydraulic cylinder (10) includes piston rod (11) and cylinder body (12), it is characterized in that: described piston rod (11) external part is positioned at the lower section of cylinder body (12), described cylinder body (12) the most sheathed fairlead (20), described cylinder body (12) is positioned at being slidably matched of vertical direction with fairlead (20) arranged concentric composition, the upper end of cylinder body (12) is connected with guide-rail plate (30) lower panel face, piston rod (11) offers the first oilhole (11a), the chamber at the place, upper surface of the first oilhole (11a) and piston (111)；
The described inwall at fairlead (20) end position offers two rectangular channels (21) along its length, described rectangular channel (21) is symmetrical arranged along the axle center of fairlead (20), described guide-rail plate (30) rectangular bar tabular, its length bottom land spacing relative to each other with two of two rectangular channels (21) is consistent, and the width of guide-rail plate (30) is consistent with the groove width of rectangular channel (21)；
In the middle part of the height of two ends, described guide-rail plate (30) upper board face low, the upper surface of described fairlead (20) is fixedly installed the cover plate (22) of two plate face levels, described cover plate (22) edge contour includes arc-shaped edges and straight flange, described arc-shaped edges is concordant with fairlead (20) end edge, parallel with the length direction of guide-rail plate (30) and adjacent rail plate (30) the long limit of described straight flange is arranged, and the spacing between the straight flange of said two cover plate (22) is more than the spacing between the long limit of guide-rail plate (30).
Jacking system the most according to claim 1, it is characterized in that: the height when upper end of described fairlead (20) is in a jacking high position less than guide-rail plate (30), the height when upper end of described fairlead (20) is in low level with guide-rail plate (30) is concordant.
Jacking system the most according to claim 1, it is characterized in that: the opening part of described cylinder body (12) is fixed with the cylinder cover (40) that the stopper rod (112) with piston rod (11) coordinates, axial length direction along stopper rod (112) offers the chamber at the place, lower surface of the second oilhole (11b), described second oilhole (11b) and piston (111).
Jacking system the most according to claim 1, it is characterized in that: the upper surface of described piston (111) offers heavy stand (111a) along center position, the first oilhole (11a) arranges along the bar length direction of piston rod (11) and connects at the bottom of the platform of heavy stand (111a).
Jacking system the most according to claim 3, it is characterized in that: the bottom of described fairlead (20) is provided with base plate (50), described base plate (50) is horizontally disposed with and is connected by the bottom of bolt with fairlead (20), and the plate face of described base plate (50) offers the through hole corresponding with first, second oilhole (11a, 11b).
Jacking system the most according to claim 3, it is characterised in that: it is provided with sealing member between described piston (111) and cylinder body (12), between stopper rod (112) and cylinder cover (40) and between cylinder cover (40) and cylinder body (12).
Jacking system the most according to claim 1, it is characterized in that: the inwall of described fairlead (20) is provided with cannelure (23) along its circumferential direction, being provided with oil filler point (20a) on fairlead (20), described oil filler point (20a) connects with cannelure (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410139542.7A CN103925257B (en) | 2014-04-08 | 2014-04-08 | Jacking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410139542.7A CN103925257B (en) | 2014-04-08 | 2014-04-08 | Jacking system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103925257A CN103925257A (en) | 2014-07-16 |
| CN103925257B true CN103925257B (en) | 2017-01-04 |
Family
ID=51143593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410139542.7A Active CN103925257B (en) | 2014-04-08 | 2014-04-08 | Jacking system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103925257B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104879344B (en) * | 2015-05-21 | 2017-02-01 | 黄杰 | Dustproof jacking device |
| CN107827018B (en) * | 2017-10-31 | 2019-12-03 | 奇瑞汽车股份有限公司 | A kind of interior jacking system of press bench |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5299489A (en) * | 1991-05-17 | 1994-04-05 | Reo Hydraulic Pierce & Form | Pressure cylinder with low tolerance fit capable of supporting large transverse loads |
| WO2005066062A1 (en) * | 2003-12-30 | 2005-07-21 | Herbert Kallenberger | Lift system used to lift and lower and/or displace heavy loads |
| CN101758645A (en) * | 2009-11-03 | 2010-06-30 | 天津市天锻压力机有限公司 | Jacking rotating device for jacking cylinder of hydraulic press |
| CN102758809A (en) * | 2012-07-19 | 2012-10-31 | 江苏速升自动化装备股份有限公司 | Air cylinder with oriented function |
| CN103291687A (en) * | 2013-06-03 | 2013-09-11 | 济南二机床集团有限公司 | Jacking cylinder of press machine travelling worktable |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203321933U (en) * | 2013-07-02 | 2013-12-04 | 上海松科机械自动化技术有限公司 | Jacking-clamping combined oil cylinder |
-
2014
- 2014-04-08 CN CN201410139542.7A patent/CN103925257B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5299489A (en) * | 1991-05-17 | 1994-04-05 | Reo Hydraulic Pierce & Form | Pressure cylinder with low tolerance fit capable of supporting large transverse loads |
| WO2005066062A1 (en) * | 2003-12-30 | 2005-07-21 | Herbert Kallenberger | Lift system used to lift and lower and/or displace heavy loads |
| CN101758645A (en) * | 2009-11-03 | 2010-06-30 | 天津市天锻压力机有限公司 | Jacking rotating device for jacking cylinder of hydraulic press |
| CN102758809A (en) * | 2012-07-19 | 2012-10-31 | 江苏速升自动化装备股份有限公司 | Air cylinder with oriented function |
| CN103291687A (en) * | 2013-06-03 | 2013-09-11 | 济南二机床集团有限公司 | Jacking cylinder of press machine travelling worktable |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103925257A (en) | 2014-07-16 |
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