CN203409688U - Quick dismantling tool for hydraulic cylinder end cover - Google Patents

Quick dismantling tool for hydraulic cylinder end cover Download PDF

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Publication number
CN203409688U
CN203409688U CN201320481264.4U CN201320481264U CN203409688U CN 203409688 U CN203409688 U CN 203409688U CN 201320481264 U CN201320481264 U CN 201320481264U CN 203409688 U CN203409688 U CN 203409688U
Authority
CN
China
Prior art keywords
handle
hydraulic cylinder
pin
end cover
straight pin
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.)
Expired - Fee Related
Application number
CN201320481264.4U
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Chinese (zh)
Inventor
胡华杰
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.)
Ningbo Baoxin Stainless Steel Co Ltd
Original Assignee
Ningbo Baoxin Stainless Steel Co Ltd
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 Ningbo Baoxin Stainless Steel Co Ltd filed Critical Ningbo Baoxin Stainless Steel Co Ltd
Priority to CN201320481264.4U priority Critical patent/CN203409688U/en
Application granted granted Critical
Publication of CN203409688U publication Critical patent/CN203409688U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a quick dismantling tool for a hydraulic cylinder end cover. The quick dismantling tool comprises a handle (1). The quick dismantling tool is characterized by also comprising a fixed cylindrical pin (2) and a movable cylindrical pin (3), wherein the fixed cylindrical pin (2) is fixed at one end of the handle (1), the movable cylindrical pin (3) is near the middle of the handle and integrally falls into a plane formed by the fixed cylindrical pin (2) and the handle (1), and the movable cylindrical pin can only slide up and down in the plane so that the whole tool is in an F shape. The quick dismantling tool for the hydraulic cylinder end cover has a simple structure, and is quick and efficient to use. By using the quick dismantling tool, the hydraulic cylinder end cover can be quickly dismounted so that the speed for disassembling a hydraulic cylinder is greatly increased, the work efficiency is improved, and the maintenance cost is reduced.

Description

A kind of hydraulic cylinder end cover Quick disassembling tool
Technical field
The utility model relates to a kind of hydraulic cylinder end cover Quick disassembling tool, especially a kind of Quick disassembling tool that is applicable to the circular end cap of stainless steel cold rolling mill frizing equipment hydraulic cylinder.
Background technology
The cold rolling unit overwhelming majority of current fairly large enterprises of producing stainless steel adopts introduces European import equipment, the SENDZIMIR 20 roller reversible stainless steel cold rolling mills that have French DMS company to manufacture and design, four column 20 roller reversible stainless steel cold rolling mills that German SUNDWIG company designs and produces etc.The four column stainless steel milling trains that wherein German SUNDWIG company designs and produces are two-piece unit formula memorial archway, roll gap opening degree is very large, there is threading quick, the advantages such as maintenance is convenient, and possesses the quick press down system of hydraulic pressure, intermediate calender rolls axial float system, the automatic functions such as backing roll convexity adjusting, have its superiority at aspects such as automatic thickness, template controls.This unit is comprised of equipment such as steel coil transporting trolley, left and right coiling machine, left and right platform device, memorial archway body, left and right volume paper putting machine, plat control system and roll change buggies, unit mill speed reaches as high as 800m/min, maximum rolling force is 8000KN, and band steel maximum tension can reach 500KN.
Four column 20 roller stainless steel milling trains have a set of complete reliable ROLLING OIL oil-scraping device, and this device is divided into two parts and forms, and are respectively the tight oil-scraping device of copper roll-in and blanket roller and compress oil-scraping device, and it is right that this two covering device is distributed in rolling-mill housing one the first from left.In milling train normal productive process, this device comes into operation, and object is that belt steel surface cold oil is scraped and wiped clean, and prevents because of fluid residually, affects strip surface quality.Wherein copper roller oil-scraping device can be scraped most cold oils of belt steel surface to wipe, and a small amount of residual cold oil is completely scraped and wiped clean by blanket roller again.This two covering device forms by two rollers, and roller arrangements is each up and down, and roller is opened to close has respectively upper and lower two groups of hydraulic cylinders action to realize.When milling train is during in threading state, two covering devices are retracted by hydraulic cylinder piston rod respectively, roller respectively up with toward drop-down, reserve larger space, be convenient to threading.When milling train is during in normal as-rolled condition, this device stretches out by hydraulic cylinder piston rod, thereby down roller is pushed down band steel, plays the effect of scraping belt steel surface cold oil.This device can also be according to the thickness with steel, and the different demands such as specification are adjusted roll pressure voluntarily, further to improve scraping effect.
Because stainless steel product is very high to its surface quality requirement, therefore frizing functions of the equipments and maintenance requirement thereof are had higher requirement.Because this frizing equipment is comprised of respectively two groups of copper roller and blanket rollers, during stainless steel strip high-speed production, two groups of roller surfaces wearing and tearing are more serious, therefore change very frequent, and while changing, because locus is narrow and small, often cylinder piston rod is depressed in collision, cause the accidents such as piston rod distortion or hydraulic cylinder leakage to happen occasionally, therefore must carry out restorative processing to hydraulic cylinder.Need disintegrate and change its inner seal hydraulic cylinder, because such hydraulic cylinder end cover is more special, during conventional extracting tool dismounting, very difficultly and easily damage end cap, thereby disassembly and assembly time be long, has increased production cost and maintenance cost.
The utility model, through retrieval, finds no invention of the same type or utility model.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of simple in structure for the above-mentioned state of the art, and easy to use and reliable hydraulic cylinder end cover Quick disassembling tool can carry out prompt disassembly and installation to the circular end cap of hydraulic cylinder fast.
The utility model solves the problems of the technologies described above adopted technical scheme: a kind of hydraulic cylinder end cover Quick disassembling tool, and it comprises handle;
It is characterized in that:
Also comprise fixed cylinder pin and removable straight pin, fixed cylinder pin is fixed on handle one end, removable straight pin is at handle near middle, its integral body falls into the plane that fixed cylinder pin and handle form completely, and it can only slide up and down in above-mentioned plane, and the instrument integral body of making is " F " font;
Described fixed cylinder pin and removable straight pin, the hole that its diameter and cylinder ends cover matches;
Described fixed cylinder pin and removable straight pin, its height exposes the length of hydraulic cylinder body while retracting completely higher than piston rod.
As improvement, described handle is an elongated cylindrical pole, and its portion of the handle length need exceed hydraulic cylinder body.
Compared with prior art, the utility model has the advantage of: product structure is simple, easily manufactured, as long as two straight pins of " F " font instrument are put into the hole that cylinder ends covers, rotate this handle for tool and just can like a cork end cap be rotated, reach the object of quick disintegration hydraulic cylinder.The utility model is simple in structure, uses quickness and high efficiency, can greatly improve the speed of disintegration hydraulic cylinder to hydraulic cylinder end cover fast assembling-disassembling, increases work efficiency, thereby reduces maintenance cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of hydraulic cylinder end cover dismounting.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the utility model.
As shown in Figure 1, 2, a kind of hydraulic cylinder end cover Quick disassembling tool, can be applied on the fast assembling-disassembling of stainless steel cold rolling mill frizing equipment hydraulic cylinder end cover, and hydraulic cylinder internal structure comprises hydraulic cylinder body 4, piston 7, piston rod 6 and end cap 5.Piston 7 is threaded and is connected and is arranged in hydraulic cylinder body 4 with piston rod 6, and end cap 5 is threaded with hydraulic cylinder body 4.End cap Quick disassembling tool is comprised of a fixed cylinder pin 2, removable straight pin 3 and handle 1, and the position of fixed cylinder pin 2 is the one end away from portion of the handle at handle 1, its axially and radially the coinciding of handle 1, both are 90 degree angles.The position of removable straight pin 3 is at handle near middle, and its integral body falls into the plane that fixedly fixed cylinder pin 2 and handle 1 form completely, and it can only move in above-mentioned plane, must not leave plane and do rotatablely moving around handle 1.Above three has formed " F " font instrument jointly.Fixed cylinder pin 2 is suitable with the internal diameter in the diameter of the non-one end being connected with handle portion of removable straight pin 3 and the hole 5.1 of end cap, and two straight pin height expose the length of hydraulic cylinder body 4 in the time of must retracting completely higher than piston rod.Handle 1 is an elongated cylindrical pole, have enough strength and stiffness, and its length need exceed hydraulic cylinder body 4 completely, to facilitate this instrument to have enough masterpieces 360 degree to rotatablely move.Fixed form between fixed cylinder pin 2 and handle 1 can be: at handle 1, away from hand-held one end, open a limiting through hole radially, insert in through hole fixed cylinder pin 2 one end, with screw rod, laterally run through fixed cylinder pin 2 and handle 1 one end again, finally use fastening nuts simultaneously.Connected mode between removable straight pin 3 and handle 1 can be: at handle 1 middle part, radially open a longer through hole for removable straight pin 3 along the axial free parallel of handle 1.With screw rod, run through removable straight pin 3 and handle 1 again, finally use fastening nuts, unclamp the removable straight pin 3 of nut and can do free parallel.
If fixed cylinder pin 2 or removable straight pin 3 are connected the diameter that the diameter of that end surpasses handle 1 with handle 1.Fixed cylinder pin 2 can change into the fixed form between handle 1: at fixed cylinder pin 2, be connected on the end face of that end with handle 1, open the groove that a width equals the body diameter of handle 1, handle 1 is put into groove away from that hand-held one end, with screw rod, pass fixed cylinder pin 2 and handle 1 end again, finally use fastening nuts.Removable straight pin 3 can change into the fixed form between handle 1: at removable straight pin 3, be connected on the end face of that end with handle 1, open the groove that a width equals the body diameter of handle 1, position at the range of movement of the pre-designed removable straight pin 3 in handle 1 middle part, open one along handle 1 microscler through hole radially, the width of through hole equals the diameter of the screw rod for connecting.Handle 1 is put into the end face groove of removable straight pin 3, its via openings direction is radially placed along removable cylinder 3 pins, then by screw rod through removable straight pin 3 the microscler through hole on can handle, finally use fastening nuts.When nut loosens, removable straight pin 3 can axially be done parallel motion along handle 1.
Use procedure is such:
1. first dismantle hydraulic cylinder secondary piston bar 6 and need to be retracted into hydraulic cylinder bottommost, make " F " font instrument can have the space of putting into;
2. hydraulic cylinder is removed from wiper fixed mount, carrying is also placed in ground upward;
3. manually adjust the removable straight pin 3 of " F " font instrument, make two straight pins can put into smoothly 5.1 the insides, hole on hydraulic cylinder end cover 5;
4. be manually rotated counterclockwise the handle 1 of " F " font instrument, hydraulic cylinder end cover is screwed out fast outward, until depart from hydraulic cylinder body 4;
5., while end cap 5 being installed, the handle 1 of " F " font instrument that manually turns clockwise moves end cap 5, until end cap 5 is in place fast in hydraulic cylinder body.
By Quick disassembling tool of the present utility model, hydraulic cylinder is disintegrated and changes seal, a wiper hydraulic cylinder all can be dismantled and be installed less than half-hour period, in the situation that damaging hydraulic cylinder end cover, operating efficiency has not improved more than 30%, and maintainer works together very easily, also reduced maintenance cost.
The present embodiment only describes in detail with regard to preferred forms, and technical staff improves or is equal in the scope that replacement is all requirement of the present invention on this basis.

Claims (2)

1. a hydraulic cylinder end cover Quick disassembling tool, it comprises handle (1);
It is characterized in that:
Also comprise fixed cylinder pin (2) and removable straight pin (3), fixed cylinder pin (2) is fixed on handle (1) one end, removable straight pin (3) is at handle near middle, its integral body falls into the plane that fixed cylinder pin (2) and handle (1) form completely, and it can only slide up and down in above-mentioned plane, and the instrument integral body of making is " F " font;
Described fixed cylinder pin (2) and removable straight pin (3), the hole that its diameter and cylinder ends cover (5.1) match;
Described fixed cylinder pin (2) and removable straight pin (3), its height exposes the length of hydraulic cylinder body (4) while retracting completely higher than piston rod (6).
2. hydraulic cylinder end cover Quick disassembling tool according to claim 1, is characterized in that described handle (1) is an elongated cylindrical pole, and its portion of the handle need exceed hydraulic cylinder body (4).
CN201320481264.4U 2013-08-07 2013-08-07 Quick dismantling tool for hydraulic cylinder end cover Expired - Fee Related CN203409688U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320481264.4U CN203409688U (en) 2013-08-07 2013-08-07 Quick dismantling tool for hydraulic cylinder end cover

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320481264.4U CN203409688U (en) 2013-08-07 2013-08-07 Quick dismantling tool for hydraulic cylinder end cover

Publications (1)

Publication Number Publication Date
CN203409688U true CN203409688U (en) 2014-01-29

Family

ID=49972613

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320481264.4U Expired - Fee Related CN203409688U (en) 2013-08-07 2013-08-07 Quick dismantling tool for hydraulic cylinder end cover

Country Status (1)

Country Link
CN (1) CN203409688U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106914854A (en) * 2015-12-26 2017-07-04 上海华电闵行能源有限公司 Cylinder extracting tool and its application method
CN110219811A (en) * 2019-06-12 2019-09-10 山东神工环保科技有限公司 A kind of double volute centrifugal blower

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106914854A (en) * 2015-12-26 2017-07-04 上海华电闵行能源有限公司 Cylinder extracting tool and its application method
CN110219811A (en) * 2019-06-12 2019-09-10 山东神工环保科技有限公司 A kind of double volute centrifugal blower
CN110219811B (en) * 2019-06-12 2024-06-07 山东神工环保科技有限公司 Double-volute centrifugal fan

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140129

Termination date: 20190807

CF01 Termination of patent right due to non-payment of annual fee