CN205799359U - Hoist cylinder seal nipple quick replacement device - Google Patents

Hoist cylinder seal nipple quick replacement device Download PDF

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Publication number
CN205799359U
CN205799359U CN201620645884.0U CN201620645884U CN205799359U CN 205799359 U CN205799359 U CN 205799359U CN 201620645884 U CN201620645884 U CN 201620645884U CN 205799359 U CN205799359 U CN 205799359U
Authority
CN
China
Prior art keywords
seal nipple
support
hoist cylinder
guide post
leading screw
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201620645884.0U
Other languages
Chinese (zh)
Inventor
蔡志恒
张广伟
张佩孚
杜向文
肖元生
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HBIS Co Ltd Chengde Branch
Original Assignee
Hebei Iron and Steel Group Co Ltd Chengde Branch
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hebei Iron and Steel Group Co Ltd Chengde Branch filed Critical Hebei Iron and Steel Group Co Ltd Chengde Branch
Priority to CN201620645884.0U priority Critical patent/CN205799359U/en
Application granted granted Critical
Publication of CN205799359U publication Critical patent/CN205799359U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of hoist cylinder seal nipple quick replacement device, including support, guide chain, leading screw and guide post, described support includes that four rhizospheres become foursquare column and for connecting the crossbeam of four root posts, guide chain is hung in the middle part of two relative cross rail outer, four described columns are the column structure that end face is rectangular, its top inner side is provided with stairstepping breach, described guide post activity is placed on inside support, it utilizes support to support lifting column, and use guide chain, leading screw and guide post realize the replacing of seal nipple, improve efficiency, simplify operation, reduce cost.

Description

Hoist cylinder seal nipple quick replacement device
Technical field
This utility model relates to hoist cylinder service technique field, particularly relates to a kind of hoist cylinder seal nipple the most more Changing device.
Background technology
LF refining equipment is link important in steel making working procedure.LF refining furnace rise fall of electrodes oil cylinder is refine electrode liter The capital equipment of descending mechanism.Electrode lifting mechanism is loosened dress by rise fall of electrodes oil cylinder, lifting column, electric-pole horizontal arm, electrode clamping Put, electrode etc. forms.Rise fall of electrodes oil cylinder is ram cylinder, and in use cylinder seal easily produces oil leakage fault, leakage of oil Position be often the cylinder piston rod port of export with dust ring and the seal nipple of combination sealing.Traditional method is more to change oil Cylinder: firstly the need of stopping component cooling water, then need to take the lifting of liquid overhead traveling crane, most of group of dismounting electrode lifting mechanism Part, assembles the assembly of electrode lifting mechanism after changing oil cylinder more in order, and operation is the most loaded down with trivial details, the people of needs Work is more, and labor intensity is big, and dimension inspection work not batch operation, general 13 hours of used time, efficiency is low.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of hoist cylinder seal nipple quick replacement device, profit Support lifting column with support, and use guide chain, leading screw and guide post to realize the replacing of seal nipple, improve efficiency, simplify work Sequence, reduces cost.
For solving above-mentioned technical problem, technical solution adopted in the utility model is: a kind of hoist cylinder seal nipple Quick replacement device, including support, guide chain, leading screw and guide post, described support includes that four rhizospheres become foursquare column and use In connecting the crossbeam of four root posts, hanging guide chain in the middle part of two relative cross rail outer, it is square that four described columns are end face The column structure of shape, its top inner side is provided with stairstepping breach, and described guide post activity is placed on inside support.
The diameter of described guide post is less than the diameter of piston rod of hoist cylinder.
Described leading screw external diameter and the flange hole equal diameters on seal nipple, the supporting installation in described leading screw lower end locking screw Female.
Use and have the beneficial effects that produced by technique scheme: support both sides can be square with the hook promoting guide chain Just place the instruments such as guide chain, after oil cylinder pressure release is drained the oil, remove the valve block of piston rod end, suspension ring are installed in piston rod end, Guide chain being hung on suspension ring, utilize guide chain can realize piston rod lifting, the effect of guide post is to support piston rod, plays Safeguard protection effect, the position owing to being combined with working position in the end of piston rod has the diameter of axle to change, and seal nipple is installed If time para-position inaccurate, install relatively difficult, this utility model utilizes 4 leading screws uniform at the bolt hole of joint flange, Utilize locking nut constantly to screw, make seal nipple uniform force, the transition that smooth upward sliding is changed by the piston rod diameter of axle Section, prevents the potted component in joint wear, and for comparing current method for maintaining, it is possible to increase overhaul efficiency, reduces Cost and labor intensity.
Accompanying drawing explanation
Fig. 1 is hoist cylinder structural representation;
Fig. 2 is to remove seal nipple schematic diagram;
Fig. 3 is to install seal nipple schematic diagram;
Wherein: 1, support;2, suspension ring;3, guide post;4, leading screw;5, excessive section;6, seal nipple.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out clearly Chu, it is fully described by, it is clear that described embodiment is only a part of embodiment of the present utility model rather than whole Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under making creative work premise The every other embodiment obtained, broadly falls into the scope of this utility model protection.
Elaborate a lot of detail in the following description so that fully understanding this utility model, but this practicality is new Type can also use other to be different from alternate manner described here to implement, and those skilled in the art can be without prejudice to this reality Doing similar popularization in the case of novel intension, therefore this utility model is not limited by following public specific embodiment.
As Figure 2-3, the utility model discloses a kind of hoist cylinder seal nipple quick replacement device, including support 1, guide chain, leading screw 4 and guide post 3, described support 1 includes that four rhizospheres become foursquare column and for connecting the horizontal stroke of four root posts Beam, hangs guide chain in the middle part of two relative cross rail outer, and four described columns are the column structure that end face is rectangular, its top Inner side is provided with stairstepping breach, and the activity of described guide post 3 is placed on inside support 1;The diameter of described guide post 3 is less than lifting oil The diameter of piston rod of cylinder;Described leading screw 4 external diameter and the flange hole equal diameters on seal nipple, the supporting peace in described leading screw 4 lower end Dress locking nut.
When hoist cylinder (seeing accompanying drawing 1) seal nipple occurs leakage, mount of the present utility model at column Lower section is also fixed, and column is stuck in the breach inside support, then removes hydraulic lock and the valve block of hoist cylinder, concurrently disinfects Waste oil;Now the piston-rod lower end at hoist cylinder is not involved in the part of work and installs suspension ring 2, and is hung over by the hook of guide chain and hang On ring 2, utilize guide chain that piston rod is lifted up about 300mm, now guide post is vertically placed in immediately below piston rod, with Time fall guide chain, piston rod by guide post support, remove suspension ring.Then the fastening bolt of cylinder seal joint is removed, seepage Joint fall on the base of oil cylinder.Suspension ring are installed the most again, utilize guide chain pull-up piston rod, be allowed to separate with guide post, It is peripheral that old seal nipple is enclosed within guide post, finally, outwards removal guide post and seal nipple, complete to remove (seeing accompanying drawing 2).
Then new joint is installed, as it is shown on figure 3, new seal nipple is sleeved on outside guide post, and places it on Cylinder pedestal, loosens guide chain and makes piston rod drop to above guide post, removes suspension ring.Then 4 leading screws are installed to lifting oil In the middle part of cylinder flange internal thread hole.Then seal nipple is held up, makes leading screw lower end pass the flange bolt hole of seal nipple, Screwing clamp nut afterwards, at this moment joint is just at the changeover portion 5 of piston rod diameter of axle change;Ensuing work screws pressure exactly Jack panel, along with constantly screwing clamp nut, seal nipple is smooth and uniform force ground is by changeover portion, the most constantly screw to The flange laminating of the flange of seal nipple and oil cylinder lower end, remaining 4 bolts hole installation fastening bolt, hereafter dismantle leading screw, And remaining bolt is installed, new seal nipple completes to install.
After new seal nipple installs, installation valve block and hydraulic lock and fluid pressure line, moved by action tank Go out guide post, give oil cylinder topping up force feed afterwards, make piston rod head contact base, then raise oil cylinder and make support and surface separation, so Rear removal bracket.Concrete about 6 hours used times, save 7 hours compared with existing repair method.
In a word, the instruments such as guide chain can conveniently be placed with the hook promoting guide chain in support both sides of the present utility model, when After oil cylinder pressure release is drained the oil, remove the valve block of piston rod end, suspension ring are installed in piston rod end, guide chain is hung over suspension ring On, utilize guide chain can realize piston rod lifting, the effect of guide post is to support piston rod, plays safeguard protection effect, due to The position being combined with working position in the end of piston rod has the diameter of axle to change, if para-position is forbidden the when that seal nipple being installed Really, installing relatively difficult, this utility model utilizes 4 leading screws uniform at the bolt hole of joint flange, utilizes locking nut continuous Screwing, make seal nipple uniform force, the changeover portion that smooth upward sliding is changed by the piston rod diameter of axle, in preventing joint wear Potted component, and for comparing current method for maintaining, it is possible to increase overhaul efficiency, reduce cost and labor intensity.

Claims (3)

1. a hoist cylinder seal nipple quick replacement device, it is characterised in that: include support (1), guide chain, leading screw (4) and Guide post (3), described support (1) includes that four rhizospheres become foursquare column and for connecting the crossbeam of four root posts, relative Hanging guide chain in the middle part of two cross rail outer, four described columns are the column structure that end face is rectangular, and its top inner side is provided with Stairstepping breach, described guide post (3) activity is placed on support (1) inner side.
Hoist cylinder seal nipple quick replacement device the most according to claim 1, it is characterised in that: described guide post (3) diameter is less than the diameter of piston rod of hoist cylinder.
Hoist cylinder seal nipple quick replacement device the most according to claim 2, it is characterised in that: described leading screw (4) External diameter and the flange hole equal diameters on seal nipple, the supporting installation in described leading screw (4) lower end locking nut.
CN201620645884.0U 2016-06-27 2016-06-27 Hoist cylinder seal nipple quick replacement device Active CN205799359U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620645884.0U CN205799359U (en) 2016-06-27 2016-06-27 Hoist cylinder seal nipple quick replacement device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620645884.0U CN205799359U (en) 2016-06-27 2016-06-27 Hoist cylinder seal nipple quick replacement device

Publications (1)

Publication Number Publication Date
CN205799359U true CN205799359U (en) 2016-12-14

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620645884.0U Active CN205799359U (en) 2016-06-27 2016-06-27 Hoist cylinder seal nipple quick replacement device

Country Status (1)

Country Link
CN (1) CN205799359U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107400754A (en) * 2017-07-31 2017-11-28 莱芜钢铁集团有限公司 A kind of system and method for being used to change refining furnace rise fall of electrodes cylinder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107400754A (en) * 2017-07-31 2017-11-28 莱芜钢铁集团有限公司 A kind of system and method for being used to change refining furnace rise fall of electrodes cylinder

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CP03 Change of name, title or address
CP03 Change of name, title or address

Address after: 067102 A block 520, Luanhe town finance square, Shuangluan District, Chengde, Hebei

Patentee after: River steel Limited by Share Ltd Chengde branch

Address before: 067000 A block 520, Luanhe town finance square, Shuangluan District, Chengde, Hebei

Patentee before: Chengde Branch Co., Ltd. of Hebei Iron & Steel Group