CN103769853B - Hydraulic cylinder quick change frock tool and using method thereof during a kind of loading machine field work - Google Patents

Hydraulic cylinder quick change frock tool and using method thereof during a kind of loading machine field work Download PDF

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Publication number
CN103769853B
CN103769853B CN201410066294.8A CN201410066294A CN103769853B CN 103769853 B CN103769853 B CN 103769853B CN 201410066294 A CN201410066294 A CN 201410066294A CN 103769853 B CN103769853 B CN 103769853B
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cylinder
loading machine
hydraulic cylinder
hydraulic
valve
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CN201410066294.8A
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CN103769853A (en
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周军
谷年令
陈勋
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Shandong University
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Shandong University
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/02Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
    • B23P19/027Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same using hydraulic or pneumatic means

Abstract

When the present invention relates to a kind of loading machine field work, hydraulic cylinder quick change frock tool and using method thereof, belong to mechanical equipment technical field.This instrument comprises tears pin system, the bracing or strutting arrangement of support works cylinder and the boom hoisting of lifting hydraulic cylinder open, the present invention utilizes hydraulic pump and the fuel tank composition sealed circuit of loading machine, hydraulic control is adopted to provide powerful power to remove the pin on hydraulic cylinder, bracing or strutting arrangement is used for working cylinder during support works, and boom hoisting is used for hanging slinging needs to replace the hydraulic cylinder of maintenance.This device can be installed through row according to actual conditions in use, regulate, to be applicable to different operating modes, and uses the reversing of the anti-limited slip wheel of ratchet mechanism.Meanwhile, this frock tool has to be installed easily, easy and simple to handle, the features such as dependable performance.

Description

Hydraulic cylinder quick change frock tool and using method thereof during a kind of loading machine field work
Technical field
When the present invention relates to a kind of loading machine field work, hydraulic cylinder quick change frock tool and using method thereof, belong to mechanical equipment technical field.
Background technology
At present, in the assembling and maintenance process of loading machine, need to carry out dismounting assembly work to hydraulic jack.Be all now in workshop, utilize large-scale overhead traveling crane first scraper bowl to be sling support substantially, then play hydraulic jack, with artificial mode jack, the pin of hydraulic jack ejected or got by pin with sledgehammer.This existing operating type cannot realize the replacing of hydraulic jack under lowered in field environment, and inefficiency, very inconvenient, waste man-hour.
Chinese patent CN101670571B discloses a kind of dismounting device of hydraulic cylinder, which solves in the process of repairing hydraulic cylinder piston and cylinder barrel is stuck, fairlead and piston rod block problem, can be easy to dismantle hydraulic cylinder, bring convenience to maintenance work, but this device and when being not suitable for field work loading machine hydraulic cylinder quick-detachment change, this patent do not provide yet field work this in particular cases how to carry out loader hydraulic cylinder quick-detachment change technology enlightenment.Change the frock tool of hydraulic jack when this is used in field work with regard to exigence is a kind of, but also there is no such frock tool in the market.
Summary of the invention
For the deficiencies in the prior art, hydraulic cylinder quick change frock tool when the invention provides a kind of loading machine field work.
The using method of hydraulic cylinder quick change frock tool when the present invention also provides a kind of above-mentioned loading machine field work.
Technical scheme of the present invention is as follows:
During a kind of loading machine field work, hydraulic cylinder quick change frock tool, comprises and tears pin system open, described in tear pin system open and comprise oil inlet pipe, inlet valve, pin backstay, working cylinder, cylinder sleeve, control valve, pressurized cylinder, oil return pipe and reversal valve with piston rod, one end of described oil inlet pipe is connected with the hydraulic pump of loading machine, the other end of oil inlet pipe is connected with reversal valve, one end of described oil return pipe is connected with the fuel tank of loading machine, the other end of oil return pipe is connected with reversal valve, described reversal valve is also communicated with two oil pipes, wherein an oil pipe is connected with one end of inlet valve, another oil pipe is connected with the working cylinder with piston rod, the other end of inlet valve is connected with three oil pipes, one end of described three oil pipes is connected with pressurized cylinder, the other end of three oil pipes is connected with control valve, pressurized cylinder, control valve is connected by oil pipe successively with the working cylinder with piston rod, reversal valve, inlet valve, pressurized cylinder, control valve and form sealed circuit by oil pipe with the working cylinder of piston rod, one end of piston rod is fixedly connected with pin backstay, cylinder sleeve is articulated with the outer wall of the working cylinder with piston rod.
According to the present invention, preferably, described inlet valve is one-way throttle valve, and control valve is hydraulic control one-way valve, and reversal valve is 3-position 4-way electro-hydraulic reversing valve.
According to the present invention, preferably, described hydraulic cylinder quick change frock tool also comprises the bracing or strutting arrangement of support works cylinder, described bracing or strutting arrangement comprises two holders, two cylinder sleeve backstays and crossbeam, two cylinder sleeve backstays are fixedly installed on two holders respectively, are fixedly connected with between two cylinder sleeve backstays by crossbeam.
Preferred further, described each cylinder sleeve backstay is provided with three fixed bars, and each fixed bar and cylinder sleeve backstay are hinged.The benefit of this design is, by the fixed bar set up, can increase the support force of cylinder sleeve backstay, and fixed bar can play firm effect to cylinder sleeve backstay simultaneously, and three fixed bars of setting form three limits and support, the most stable to the support of cylinder sleeve backstay;
The quantity of described crossbeam is two or more.Along with the increase of crossbeam quantity, the support force of cylinder sleeve backstay can be strengthened, corresponding support is played to the working cylinder of different model and weight.
According to the present invention, preferably, described hydraulic cylinder quick change frock tool also comprises the boom hoisting of lifting hydraulic cylinder, the boom hoisting of described lifting hydraulic cylinder comprises two bases, two support bars, slide fastener, pulley, ratchet, hook and cross bars, two support bars are fixedly installed on two bases respectively, and two support bars are hinged with cross bar respectively, and slide fastener is meshed with pulley by the sprocket on pulley, ratchet is fixed in pulley, and hook and pulley are hinged.
Preferred further, described each support bar is provided with three auxiliary fixed bars, each auxiliary fixed bar and support bar are hinged.The benefit of this design is, by the auxiliary fixed bar set up, can increase the support force of support bar, and auxiliary fixed bar can play firm effect to support bar simultaneously, and three auxiliary fixed bars of setting form three limits and support, the most stable to the support of support bar.
Described support bar and cross bar are set to the expansion link that can regulate length.Support bar and cross bar being set to expansion link, when carrying out lifting hydraulic cylinder, boom hoisting can being carried out the setting of different size, to adapt to different conditions of work and working environment.
A using method for hydraulic cylinder quick change frock tool during loading machine field work, step is as follows:
(1) first, the bracing or strutting arrangement of support works cylinder is placed on precalculated position, adjusts fixed bar;
(2) top of cylinder sleeve backstay will be articulated with the cylinder sleeve on the working cylinder of piston rod again, then one end of oil inlet pipe is connected the hydraulic pump of loading machine, one end of oil return pipe connects the fuel tank of loading machine, makes to tear open the hydraulic pump of pin system and loading machine and fuel tank and forms and close power loop;
(3) boom hoisting of lifting hydraulic cylinder is fixed on predeterminated position, slip pulley is to assigned address, and ratchet effect makes pulley be fixed on transfixion on cross bar, after the hydraulic cylinder of loading machine is fixing with steel wire rope, by steel wire loop on linking up with;
(4) under the dynamic action provided in hydraulic pump on loaders, the pin that piston rod drives pin backstay will be removed by loading machine is removed, and and then pulls slide fastener, under the effect of hook, the hydraulic cylinder that will change is sling, and then completes the exchange of hydraulic cylinder when loading machine works in the wild.
Beneficial effect of the present invention is:
1. the present invention utilizes hydraulic pump and the fuel tank composition sealed circuit of loading machine, and achieve the easy of structure, the quick-replaceable for field hydraulic pump on loaders provides conveniently, and adopts the power that hydraulic control can provide powerful.
2. inlet valve of the present invention adopts one-way throttle valve, can realize the adjustment of movement velocity, use security performance during this device higher.
3. the boom hoisting of the lifting hydraulic cylinder of this frock tool adopts support bar and the cross bar of extension type, make can installing through going, regulating according to actual conditions in use of this device, to be applicable to different operating modes, and use the reversing of the anti-limited slip wheel of ratchet mechanism.Meanwhile, this frock tool has to be installed easily, easy and simple to handle, the features such as dependable performance.
Accompanying drawing explanation
Fig. 1 is the structural representation that the present invention tears pin system open.
Fig. 2 is the principle schematic that the present invention tears pin system open.
Fig. 3 is the support device structure schematic diagram of support works cylinder of the present invention.
Fig. 4 is the boom hoisting structural representation that the present invention lifts by crane hydraulic cylinder.
Wherein: 1, oil inlet pipe, 2, inlet valve, 3, pin backstay, 4, piston rod, 5, with the working cylinder of piston rod, 6, cylinder sleeve, 7, control valve, 8, pressurized cylinder, 9, oil return pipe, 10, reversal valve, 11, base, 12, auxiliary fixed bar, 13, support bar, 14, slide fastener, 15, pulley, 1501, ratchet, 16, link up with, 17, cross bar, 18, holder, 19, fixed bar, 20, cylinder sleeve backstay, 21, crossbeam.
Detailed description of the invention
By reference to the accompanying drawings, by specific embodiment, the present invention is further elaborated, but be not limited thereto.
Embodiment 1:
As Fig. 1, shown in Fig. 3 and Fig. 4, during a kind of loading machine field work, hydraulic cylinder quick change frock tool, comprises and tears pin system open, the bracing or strutting arrangement of support works cylinder, the boom hoisting of lifting hydraulic cylinder, wherein, tears pin system open and comprises oil inlet pipe 1, inlet valve 2, pin backstay 3, with the working cylinder 5 of piston rod 4, cylinder sleeve 6, control valve 7, pressurized cylinder 8, oil return pipe 9, reversal valve 10, one end of oil inlet pipe 1 connects the hydraulic pump of loading machine, the other end of oil inlet pipe 1 connects reversal valve 10, oil return pipe 9 one end connects the fuel tank of loading machine, the other end of oil return pipe 9 connects reversal valve 10, reversal valve 10 is also communicated with two oil pipes, wherein an oil pipe is connected with one end of inlet valve 2, another oil pipe is connected with the working cylinder 5 with piston rod 4, the other end of inlet valve 2 is connected with three oil pipes, one end of described three oil pipes is connected with pressurized cylinder 8, and the other end is connected with control valve 7, pressurized cylinder 8, control valve 7 is connected by oil pipe successively with the working cylinder 5 with piston rod 4, reversal valve 10, inlet valve 2, pressurized cylinder 8, control valve 7 and form sealed circuit by oil pipe with the working cylinder 5 of piston rod 4, piston rod 4 other end and pin backstay 3 affixed, cylinder sleeve 6 is articulated with the outer wall of the working cylinder 5 with piston rod, inlet valve 1 is one-way throttle valve, control valve 2 is hydraulic control one-way valve, and reversal valve 10 is 3-position 4-way electro-hydraulic reversing valve, the bracing or strutting arrangement of support works cylinder comprises two holders, 18, six fixed bars, 19, two cylinder sleeve backstays 20 and four crossbeams 21, each cylinder sleeve backstay 20 is provided with three fixed bars 19, cylinder sleeve backstay 20 is fixed in the top of holder 18, fixed bar 19 and cylinder sleeve backstay 20 are hinged, be fixedly linked by four crossbeams 21 between cylinder sleeve backstay 20, the two ends of cylinder sleeve 6 are hinged with two cylinder sleeve backstays 20 respectively, the boom hoisting of lifting hydraulic cylinder comprises the auxiliary fixed bar of two bases 11, six 12, two support bars 13, slide fastener 14, pulley 15, ratchet 1501, hook 16, cross bar 17, support bar 13 is fixed in base 11, hinged three auxiliary fixed bars 12 on each support bar 13, the two ends of cross bar 17 are hinged with support bar respectively, slide fastener 14 is linked in pulley 15, pulley 15 and cross bar 17 form and are slidably connected, ratchet 1501 is fixed in pulley 15, hook 16 and pulley 15 Joint, support bar 13 and cross bar 17 are all telescopic rod.
Embodiment 2:
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, a kind of hydraulic cylinder method on loading machine using quick change frock tool to dismantle operation in the wild, step is as follows:
(1) first, the bracing or strutting arrangement of support works cylinder is placed on precalculated position, adjusts auxiliary fixed bar 19;
(2) top of cylinder sleeve backstay 20 will be articulated with the cylinder sleeve 6 on the working cylinder of piston rod again, then one end of oil inlet pipe 1 is connected the hydraulic pump of loading machine, one end of oil return pipe 9 connects the fuel tank of loading machine, makes to tear open the hydraulic pump of pin system and loading machine and fuel tank and forms and close power loop;
(3) boom hoisting of lifting hydraulic cylinder is fixed on predeterminated position, slip pulley 15 is to assigned address, and ratchet 1501 effect makes pulley be fixed on transfixion on cross bar 17, after the hydraulic cylinder of loading machine is fixing with steel wire rope, by steel wire loop on hook 16;
(4) under the dynamic action provided in hydraulic pump on loaders, the pin that piston rod 4 drives pin backstay 3 will be removed by loading machine is removed, and and then pulls slide fastener 14, under the effect of hook 16, the hydraulic cylinder that will change is sling, and then completes the exchange of hydraulic cylinder when loading machine works in the wild.

Claims (8)

1. hydraulic cylinder quick change frock tool during a loading machine field work, it is characterized in that, comprise and tear pin system open, described in tear pin system open and comprise oil inlet pipe, inlet valve, pin backstay, working cylinder, cylinder sleeve, control valve, pressurized cylinder, oil return pipe and reversal valve with piston rod, one end of described oil inlet pipe is connected with the hydraulic pump of loading machine, the other end of oil inlet pipe is connected with reversal valve, one end of described oil return pipe is connected with the fuel tank of loading machine, the other end of oil return pipe is connected with reversal valve, described reversal valve is also communicated with two oil pipes, wherein an oil pipe is connected with one end of inlet valve, another oil pipe is connected with the working cylinder with piston rod, the other end of inlet valve is connected with three oil pipes, one end of described three oil pipes is connected with pressurized cylinder, the other end is connected with control valve, pressurized cylinder, control valve is connected by oil pipe successively with the working cylinder with piston rod, reversal valve, inlet valve, pressurized cylinder, control valve and form sealed circuit by oil pipe with the working cylinder of piston rod, one end of piston rod is fixedly connected with pin backstay, cylinder sleeve is articulated with the outer wall of the working cylinder with piston rod,
Described hydraulic cylinder quick change frock tool also comprises the boom hoisting of lifting hydraulic cylinder, the boom hoisting of described lifting hydraulic cylinder comprises two bases, two support bars, slide fastener, pulley, ratchet, hook and cross bars, two support bars are fixedly installed on two bases respectively, support bar and cross bar are hinged, slide fastener is meshed with pulley by the sprocket on pulley, ratchet is fixed in pulley, and hook and pulley are hinged.
2. hydraulic cylinder quick change frock tool during loading machine field work as claimed in claim 1, it is characterized in that, described inlet valve is one-way throttle valve, and control valve is hydraulic control one-way valve, and reversal valve is 3-position 4-way electro-hydraulic reversing valve.
3. hydraulic cylinder quick change frock tool during loading machine field work as claimed in claim 2, it is characterized in that, described hydraulic cylinder quick change frock tool also comprises the bracing or strutting arrangement of support works cylinder, described bracing or strutting arrangement comprises two holders, two cylinder sleeve backstays and crossbeam, two cylinder sleeve backstays are fixedly installed on two holders respectively, are fixedly connected with between two cylinder sleeve backstays by crossbeam.
4. hydraulic cylinder quick change frock tool during loading machine field work as claimed in claim 3, it is characterized in that, described each cylinder sleeve backstay is provided with three fixed bars, and each fixed bar and cylinder sleeve backstay are hinged.
5. hydraulic cylinder quick change frock tool during loading machine field work as claimed in claim 3, it is characterized in that, the quantity of described crossbeam is two or more.
6. hydraulic cylinder quick change frock tool during loading machine field work as claimed in claim 1, it is characterized in that, described each support bar is provided with three auxiliary fixed bars, each auxiliary fixed bar and support bar are hinged.
7. hydraulic cylinder quick change frock tool during loading machine field work as claimed in claim 1, it is characterized in that, described support bar and cross bar are set to the expansion link that can regulate length.
8. a using method for hydraulic cylinder quick change frock tool during loading machine field work as described in any one of claim 1 to 7, step is as follows:
(1) first, the bracing or strutting arrangement of support works cylinder is placed on precalculated position, adjusts fixed bar;
(2) top of cylinder sleeve backstay will be articulated with the cylinder sleeve on the working cylinder of piston rod again, then one end of oil inlet pipe is connected the hydraulic pump of loading machine, one end of oil return pipe connects the fuel tank of loading machine, makes to tear open the hydraulic pump of pin system and loading machine and fuel tank and forms and close power loop;
(3) boom hoisting of lifting hydraulic cylinder is fixed on predeterminated position, slip pulley is to assigned address, and ratchet effect makes pulley be fixed on transfixion on cross bar, after the hydraulic cylinder of loading machine is fixing with steel wire rope, by steel wire loop on linking up with;
(4) under the dynamic action provided in hydraulic pump on loaders, the pin that piston rod drives pin backstay will be removed by loading machine is removed, and and then pulls slide fastener, under the effect of hook, the hydraulic cylinder that will change is sling, and completes the exchange of hydraulic cylinder when loading machine works in the wild.
CN201410066294.8A 2014-02-26 2014-02-26 Hydraulic cylinder quick change frock tool and using method thereof during a kind of loading machine field work Active CN103769853B (en)

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CN103769853B true CN103769853B (en) 2016-04-20

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Publication number Priority date Publication date Assignee Title
CN108032034A (en) * 2017-12-11 2018-05-15 天津吉森机电设备工程有限公司 A kind of hydraulic cylinder external leakage restorative procedure

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Publication number Priority date Publication date Assignee Title
CN201264157Y (en) * 2008-09-17 2009-07-01 鞍钢股份有限公司 Device for dismounting recoiling machine rotating fluid pressure cylinder
CN101670571A (en) * 2009-09-29 2010-03-17 新兴铸管股份有限公司 Dismounting device of hydraulic cylinder
CN202245084U (en) * 2011-08-23 2012-05-30 郑州煤机长壁机械有限公司 Quick dismounting mechanism for hydraulic oil cylinder in telescopic machine tail
CN202336845U (en) * 2011-12-05 2012-07-18 路长顺 Combined type rapid dismounting and mounting device of engineering machinery hydraulic oil cylinder
CN202336697U (en) * 2011-11-05 2012-07-18 天台县唐宋汽车修配厂 Special assembling and disassembling tool for automobile steering pins
CN202825172U (en) * 2012-10-19 2013-03-27 湖北佳恒科技有限公司 Disassembly and assembly device of single action piston type hydraulic cylinder
CN103286540A (en) * 2013-05-27 2013-09-11 中色科技股份有限公司 Detachment method for screwdown cylinders on rolling mill
CN103352901A (en) * 2013-07-12 2013-10-16 中联重科股份有限公司 Device for demounting hinge pin

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201264157Y (en) * 2008-09-17 2009-07-01 鞍钢股份有限公司 Device for dismounting recoiling machine rotating fluid pressure cylinder
CN101670571A (en) * 2009-09-29 2010-03-17 新兴铸管股份有限公司 Dismounting device of hydraulic cylinder
CN202245084U (en) * 2011-08-23 2012-05-30 郑州煤机长壁机械有限公司 Quick dismounting mechanism for hydraulic oil cylinder in telescopic machine tail
CN202336697U (en) * 2011-11-05 2012-07-18 天台县唐宋汽车修配厂 Special assembling and disassembling tool for automobile steering pins
CN202336845U (en) * 2011-12-05 2012-07-18 路长顺 Combined type rapid dismounting and mounting device of engineering machinery hydraulic oil cylinder
CN202825172U (en) * 2012-10-19 2013-03-27 湖北佳恒科技有限公司 Disassembly and assembly device of single action piston type hydraulic cylinder
CN103286540A (en) * 2013-05-27 2013-09-11 中色科技股份有限公司 Detachment method for screwdown cylinders on rolling mill
CN103352901A (en) * 2013-07-12 2013-10-16 中联重科股份有限公司 Device for demounting hinge pin

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