CN103567745B - A kind of continuous casting of molten steel withdrawal straightening machine pulling-straightening roller assembling device and assembly method - Google Patents

A kind of continuous casting of molten steel withdrawal straightening machine pulling-straightening roller assembling device and assembly method Download PDF

Info

Publication number
CN103567745B
CN103567745B CN201310535038.4A CN201310535038A CN103567745B CN 103567745 B CN103567745 B CN 103567745B CN 201310535038 A CN201310535038 A CN 201310535038A CN 103567745 B CN103567745 B CN 103567745B
Authority
CN
China
Prior art keywords
pulling
straightening roller
straightening
roll shaft
bearing
Prior art date
Application number
CN201310535038.4A
Other languages
Chinese (zh)
Other versions
CN103567745A (en
Inventor
阮玉
刘仁华
黄初龙
陈高祥
张春光
吕伟
阮班龙
Original Assignee
武汉市景江冶金设备有限公司
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 武汉市景江冶金设备有限公司 filed Critical 武汉市景江冶金设备有限公司
Priority to CN201310535038.4A priority Critical patent/CN103567745B/en
Publication of CN103567745A publication Critical patent/CN103567745A/en
Application granted granted Critical
Publication of CN103567745B publication Critical patent/CN103567745B/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23POTHER WORKING OF METAL; 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

The invention provides a kind of continuous casting of molten steel withdrawal straightening machine pulling-straightening roller assembling device and assembly method, device comprises mechanical part and hydraulic control part, mechanical part comprises frame leg, be arranged on the framework platform on frame leg, the central shaft hole that framework platform center has pulling-straightening roller to locate, the doorframe that framework platform erects, the central shaft hole dead in line of doorframe place central plane and framework platform, doorframe top cross-bar installs hydraulic ram cylinders, the piston rod of hydraulic ram cylinders is corresponding with central shaft hole vertically downward, is furnished with pushes against sleeve.A kind of continuous casting of molten steel withdrawal straightening machine pulling-straightening roller assembly method of the present invention is that the first roll shaft of pulling-straightening roller is put into Platform center axis hole, pulling-straightening roller end face is steadily located on framework platform, assembles the bearing assembly on the second roll shaft; Then start overhead traveling crane pulling-straightening roller is sling and swings to, make the first roll shaft of pulling-straightening roller winch to above pulling-straightening roller, complete the installation of the bearing assembly on the first roll shaft; Finally the pulling-straightening roller installing bearing assembly is hung out together.

Description

A kind of continuous casting of molten steel withdrawal straightening machine pulling-straightening roller assembling device and assembly method

Technical field

The present invention relates to a kind of continuous casting of molten steel withdrawal straightening machine pulling-straightening roller assembling device and assembly method, belong to the mechanical production devices that molten steel foundry work journey uses, specifically refer to a kind of vertical Ye Kong Installed roller method and device of colding pressing.

Background technology

In continuous casting of molten steel production technology, must be provided with withdrawal straightening machine by strand from segmental arc strand out after flex point is aligned, strand continues along horizontal line ejection.Withdrawal straightening machine plays a part throwing and strong base, send the effect of dummy bar in addition.The working condition of wherein straightening (freedom) roller the most directly affects quality and the efficiency of withdrawal straightening machine throwing.The hot charge practice of current straightening (freedom) roller many uses machine oil heating bearing when running in bearings, the machine oil boiling point of heating serviceability temperature is at 140 ~ 170 DEG C, and the sealing ring material of bearing face is nitrile rubber, operating temperature-40 ~+100 DEG C, exceedes sealing ring heat resisting temperature and damages sealing ring; Seal failure causes bearing lubrication conditions worsen, affects in addition the stuck fault of roller occurs by 150 ~ 250 DEG C of hot environments and iron scale.And hot charge practice had both wasted machine oil, contaminated environment, loaded down with trivial details, the inefficiency of program again.Sealing effectiveness is directly connected to the result of use of lubricant effect and whole withdrawal straightening machine: well, the service life of straightening and free roll can reach half a year more than for sealing and lubricant effect; And sealing and lubrication failure, straightening (freedom) roller had both delayed the production time less than 7 days service life, affected cc billet surface quality again.

Summary of the invention

Object of the present invention is exactly overcome Chuan Tong Installed roller mode high oil temperature to the damage problem of rubber seal, provides a kind of continuous casting of molten steel withdrawal straightening machine pulling-straightening roller assembling device and assembly method, can protect sealing, environment-friendly high-efficiency.

Technical scheme of the present invention: continuous casting of molten steel withdrawal straightening machine pulling-straightening roller assembling device of the present invention comprises mechanical part and hydraulic control part, mechanical part comprises frame leg, be arranged on the framework platform on frame leg, the central shaft hole that framework platform center has pulling-straightening roller to locate, the doorframe that framework platform erects, the central shaft hole dead in line of doorframe place central plane and framework platform, doorframe top cross-bar installs hydraulic ram cylinders, the piston rod of hydraulic ram cylinders is corresponding with central shaft hole vertically downward, is furnished with pushes against sleeve.

There is counter flange at central shaft hole place on described framework platform, and bearing assembly detent is arranged at counter flange top.

Compression backing plate is established at set pushes against sleeve top.

The Hydraulic Station be connected with hydraulic ram cylinders is little truck mobile standard universal type device.

A kind of continuous casting of molten steel withdrawal straightening machine pulling-straightening roller assembly method of the present invention, step is as follows:

1) with overhead traveling crane, the first roll shaft of pulling-straightening roller is put into Platform center axis hole, adjustment pulling-straightening roller position, pulling-straightening roller axis is overlapped substantially with Platform center axis hole axis, and pulling-straightening roller end face is steadily located on framework platform;

2) be assemblied on the second roll shaft by the water-cooled transparent cover installing rubber seal, water-cooled transparent cover water flowing end presses close to axle sleeve step;

3) bearing block that bearing is housed is assemblied on the second roll shaft, is placed in water-cooled transparent cover;

4) pushes against sleeve be enclosed within the second roll shaft, start hydraulic ram cylinders, piston rod stretches out and withstands pushes against sleeve, and pushes against sleeve lower end pushing bearing inner race, is progressively depressed into axle sleeve stepped locations by bearing;

5) transparent cover is put into the second roll shaft, be positioned on bearing and bearing block, water-cooled transparent cover, bearing block, transparent cover connected with bolt and nut, the bearing assembly completed on the second roll shaft is installed;

6) start overhead traveling crane, sling by pulling-straightening roller and swing to, make the first roll shaft of pulling-straightening roller winch to above pulling-straightening roller, be placed on by counter flange on framework platform, counter flange centre bore overlaps with framework platform central shaft hole; The second roll shaft pulling-straightening roller being equipped with bearing again puts into Platform center axis hole, and bearing block lies in a horizontal plane on counter flange, transparent cover is placed in the detent on counter flange top, and pulling-straightening roller end face is steadily located on counter flange; Bearing block lies in a horizontal plane on counter flange;

7) step 2 is repeated) ~ 5) complete the installation of the bearing assembly on the first roll shaft;

8) pulling-straightening roller installing bearing assembly is hung out by specialized wire rope together.

Described bearing assembly there are 6 bolts hole, when water-cooled transparent cover, bearing block, transparent cover are connected and fixed by step 5) bolt and nut, leave two symmetrical bolts hole and do not fill bolt and nut, for installing lifting bolt; When pulling-straightening roller is sling and swings to by step 6), lifting bolt is screwed into two symmetrical bolts hole, the lifting bolt end of thread screws on nut, specialized wire rope is swung to by hanging over two secondary suspension ring pulling-straightening roller to be hung in by lifting bolt overhead traveling crane hook completes, finally lifting bolt is taken out, change assembling bolt nut and complete bearing assembly on the second roll shaft and install.

When water-cooled transparent cover, bearing block, transparent cover are connected and fixed by described step 7) and step 8) bolt and nut, leave two symmetrical bolts hole and do not fill bolt and nut, for installing lifting bolt; When pulling-straightening roller is sling, lifting bolt is screwed into two symmetrical bolts hole, specialized wire rope hangs out by hanging over two secondary suspension ring pulling-straightening roller to be hung in by lifting bolt overhead traveling crane hook completes, and is finally taken out by lifting bolt, changes assembling bolt nut and completes bearing assembly and install.

Pushes against sleeve is enclosed within after on the second roll shaft by described step 4), is placed in pushes against sleeve, restarts hydraulic ram cylinders by compression backing plate, and the piston rod of plunger case stretches out to withstand and compresses backing plate plate, progressively bearing is depressed into axle sleeve step position.

Described axle sleeve and the axle of pulling-straightening roller are interference fits, by axle sleeve gas welding homogeneous heating 150 ~ 200 DEG C, are contained on the axle of pulling-straightening roller, and cooling rear axle housing is held tightly on the axle of pulling-straightening roller.

Beneficial effect of the present invention is: by device of the present invention, mechanization at normal temperatures can complete straightening (freedom) roller assembling process, do not cause any damage to bearing rubber seal, efficiency improves 5 ~ 10 times (depending on roller size), and assembly precision can reach drawing required precision.And eliminate the loaded down with trivial details and difficult link such as oil firing, hot bearing lifting, reach object that is simple to operate, efficient, environmental protection.Device of the present invention makes pulling-straightening roller to be installed assemble centering conveniently, is specially adapted to assembling and the lifting of square billet straightening (freedom) roller.

Have cooling protection effect to sealing ring after water-cooled transparent cover leads to cooling water, compare metal expansion ring seale mode and have advantage, stuck, to destroy bearing block and pulling-straightening roller fault can not occur, and will adopt rubber seal, cold-pressing assembly is Reliable guarantee.

When pulling-straightening roller one end has been assembled, reserve two symmetrical bolts hole, as two installation lifting bolts, then wear ring with steel wire rope and vertically sling, reliably safe.

Accompanying drawing explanation

Fig. 1 is structural representation and one end assembling schematic diagram of apparatus of the present invention.

Fig. 2 is structural representation and the other end assembling schematic diagram of apparatus of the present invention.

Fig. 3 is the assembling close-up schematic view of apparatus of the present invention.

Fig. 4 is apparatus of the present invention and assembling overall schematic.

Detailed description of the invention

Below in conjunction with the drawings and specific embodiments, function of the present invention is described in further detail:

As Fig. 1,2,3,4: a kind of continuous casting of molten steel withdrawal straightening machine pulling-straightening roller assembling device of the present invention comprises mechanical part and hydraulic control part, its mechanical part comprises frame leg 1, be arranged on the framework platform 2 on frame leg 1, the central shaft hole 2a that framework platform 2 center has pulling-straightening roller to locate, the doorframe 3 that framework platform 2 erects, doorframe 3 place central plane and central shaft hole 2a dead in line, doorframe 3 top cross-bar installs hydraulic ram cylinders 4, the piston rod 4a of hydraulic ram cylinders 4 is corresponding with central shaft hole 2a vertically downward, is furnished with pushes against sleeve 5.

On described framework platform 2, there is counter flange 7 at central shaft hole 2a place, and bearing assembly detent 7a is arranged at counter flange 7 top.

Set pushes against sleeve 5 top is established and is compressed backing plate 6.Compress each several piece that backing plate 6 thickness has 10mm, 15mm, 25mm specification, to meet needed for stroke.

Hydraulic part comprises hydraulic ram cylinders 4, and hydraulic ram cylinders 4 is connected with Hydraulic Station 15 by hydraulic hose, and Hydraulic Station 15 is little truck mobile standard universal type device.

Framework platform 2 is circular ring types, counter flange 7 is circular ring type, is movable detachable flange, is placed on framework platform 2, for adapting to the bearing block of all kinds of specification and having prepared 5 specifications, processing is simple, can process at any time as required, its external diameter 10 ~ 20mm less of doorframe 3 internal diameter, internal diameter 3 ~ 5mm larger than the boss external diameter of transparent cover 13, ensure that pulling-straightening roller and bearing block are put into after on counter flange 7, the axle center of pulling-straightening roller is substantially moderate, only need carry out fine setting with regard in adjusting.Counter flange 7 thickness, according to guaranteeing bearing load and extruding force and the indeformable experience of flange itself is determined, is generally 16 ~ 25mm.

Plunger case 4 extend action is some dynamic formula, so that control decrement.

Described pushes against sleeve 5 selects suitable steel pipe to process, and length can be 150mm, 200mm, 250mm, 300mm, 350mm.The internal diameter 2mm larger than the internal diameter of bearing of pushes against sleeve 5, external diameter 2mm less of the external diameter of bearing inner race, so not only facilitated and packed on straightening roll shaft smoothly but also do not damage bearing block.

Described compression backing plate 6, its thickness and quantity are plunger case stroke difference and determine, and cylindrical, external diameter is just more bigger than the external diameter of pushes against sleeve 5.

Described plunger case 4 stroke is 350mm, maximum thrust 10000N, enough meets the required thrust of assembling.Extend action is some dynamic formula, so that control decrement; A whole set of Hydraulic Station 15 is dolly wheeled apparatus, and the scene of being convenient to is put.

During use, device is vertically placed on job platform.

Continuous casting of molten steel withdrawal straightening machine pulling-straightening roller assembly method of the present invention, step is as follows:

1) with overhead traveling crane, the first roll shaft 8a of pulling-straightening roller 8 is put into Platform center axis hole 2a, adjustment pulling-straightening roller 8 position, pulling-straightening roller 8 axis is overlapped substantially with Platform center axis hole 2a axis, and pulling-straightening roller 8 end face is steadily located on framework platform 2;

2) be assemblied on the second roll shaft 8b by the water-cooled transparent cover 10 installing rubber seal, water-cooled transparent cover 10 water flowing end presses close to axle sleeve 9 step;

3) bearing block 12 that bearing 11 is housed is assemblied on the second roll shaft, is placed in water-cooled transparent cover 10;

4) pushes against sleeve 5 be enclosed within the second roll shaft 8b, start hydraulic ram cylinders 4, piston rod 4a stretches out and withstands pushes against sleeve 5, and pushes against sleeve 5 lower end pushing bearing inner race, is progressively depressed into axle sleeve 9 stepped locations by bearing 11;

5) transparent cover 13 is put into the second roll shaft 8b, be positioned on bearing 11 and bearing block 12, water-cooled transparent cover 10, bearing block 12, transparent cover 13 connected with bolt and nut 14, the bearing assembly completed on the second roll shaft 8b is installed; As Fig. 1.

6) start overhead traveling crane, winch to above pulling-straightening roller 9 by the first roll shaft 8a, be placed on by counter flange 7 on framework platform 2, counter flange 7 centre bore overlaps with framework platform 2 central shaft hole 2a; Again the second roll shaft 8b that bearing is housed is put into Platform center axis hole 2a, bearing block 12 lies in a horizontal plane on counter flange 7, transparent cover 13 is placed in the detent 7a on counter flange 7 top, makes pulling-straightening roller 8 end face steadily be located on counter flange 2; Bearing block 4 lies in a horizontal plane on counter flange 2;

7) step 2 is repeated) ~ 5) complete the installation of the bearing assembly on the first roll shaft 8a; As Fig. 2.

8) pulling-straightening roller installing bearing assembly is hung out by specialized wire rope together.

Described bearing assembly there are 6 bolts hole, when water-cooled transparent cover 10, bearing block 12, transparent cover 13 are connected and fixed by step 5) bolt and nut 14, leave two symmetrical bolts hole and do not fill bolt and nut 14, for lifting; When pulling-straightening roller 8 is sling and swings to by step 6), lifting bolt is screwed into two symmetrical bolts hole, the lifting bolt end of thread screws on nut, specialized wire rope hangs over pulling-straightening roller 8 to be hung in by lifting bolt overhead traveling crane hook completes by two secondary suspension ring and swings to, finally lifting bolt is taken out, change assembling bolt nut 14 and complete bearing assembly on the second roll shaft 8b and install.

In like manner, when water-cooled transparent cover 10, bearing block 12, transparent cover 13 are connected and fixed by step 7) and step 8) bolt and nut 14, leave two symmetrical bolts hole and do not fill bolt and nut 14, for lifting; When pulling-straightening roller 8 is sling, lifting bolt is screwed into two symmetrical bolts hole, specialized wire rope hangs out by hanging over two secondary suspension ring pulling-straightening roller 8 to be hung in by lifting bolt overhead traveling crane hook completes, and is finally taken out by lifting bolt, changes assembling bolt nut 14 and completes bearing assembly and install.

Pushes against sleeve 5 is enclosed within after on the second roll shaft 8b by described step 4), compression backing plate 6 is placed on pushes against sleeve 5, restarts hydraulic ram cylinders 4, and the piston rod 4a of plunger case 4 stretches out to withstand and compresses backing plate plate, progressively bearing 11 is depressed into axle sleeve 9 step position.

Described axle sleeve 9 is interference fits with the axle of pulling-straightening roller 8, by axle sleeve 9 gas welding homogeneous heating 150 ~ 200 DEG C, is contained on the axle of pulling-straightening roller 8, and cooling rear axle housing 9 is held tightly on the axle of pulling-straightening roller.

Described step 2) if water-cooled transparent cover 10 too heavy manually remove motionless, can use band suspension ring bolt and nut be connected on the screw of water-cooled transparent cover 10, lifted with overhead traveling crane.

Claims (5)

1. a continuous casting of molten steel withdrawal straightening machine pulling-straightening roller assembly method, step is as follows:
1) with overhead traveling crane, first roll shaft (8a) of pulling-straightening roller (8) is put into the central shaft hole (2a) of framework platform, adjustment pulling-straightening roller (8) position, pulling-straightening roller (8) axis is overlapped substantially with Platform center axis hole (2a) axis, and pulling-straightening roller (8) end face is steadily located on framework platform (2);
2) be assemblied on the second roll shaft (8b) by the water-cooled transparent cover (10) installing rubber seal, water-cooled transparent cover (10) water flowing end presses close to axle sleeve (9) step;
3) bearing block (12) that bearing (11) are housed is assemblied on the second roll shaft (8b), is placed in water-cooled transparent cover (10);
4) pushes against sleeve (5) is enclosed within the second roll shaft (8b), start hydraulic ram cylinders (4), piston rod (4a) stretches out and withstands pushes against sleeve (5), pushes against sleeve (5) lower end pushing bearing inner race, is progressively depressed into axle sleeve (9) stepped locations by bearing (11);
5) transparent cover (13) is put into the second roll shaft (8b), be positioned on bearing (11) and bearing block (12), water-cooled transparent cover (10), bearing block (12), transparent cover (13) are connected with bolt and nut (14), the bearing assembly completed on the second roll shaft (8b) is installed;
6) overhead traveling crane is started, pulling-straightening roller (8) is sling and swung to, first roll shaft (8a) of pulling-straightening roller is made to winch to pulling-straightening roller (8) top, be placed on by counter flange (7) on framework platform (2), counter flange (7) centre bore overlaps with framework platform (2) central shaft hole (2a); The second roll shaft (8b) again pulling-straightening roller being equipped with bearing puts into central shaft hole (2a), bearing block (12) lies in a horizontal plane on counter flange (7), transparent cover (13) is placed in the detent (7a) on counter flange (7) top, makes pulling-straightening roller (8) end face steadily be located on counter flange (7); Bearing block (12) lies in a horizontal plane on counter flange (7);
7) step 2 is repeated) ~ 5) complete the installation of the bearing assembly on the first roll shaft (8a);
8) with specialized wire rope, the pulling-straightening roller installing bearing assembly is hung out together.
2. continuous casting of molten steel withdrawal straightening machine pulling-straightening roller assembly method according to claim 1, it is characterized in that: bearing assembly has 6 bolts hole, step 5) when water-cooled transparent cover (10), bearing block (12), transparent cover (13) being connected and fixed with bolt and nut (14), leave two symmetrical bolts hole and do not fill bolt and nut (14), for installing lifting bolt; Step 6) when pulling-straightening roller (8) is sling and is swung to, lifting bolt is screwed into two symmetrical bolts hole, lifting bolt thread end screws on nut, specialized wire rope is swung to by hanging over two secondary suspension ring pulling-straightening roller (8) to be hung in by lifting bolt overhead traveling crane hook completes, finally will lift bolt to take out, and change assembling bolt nut (14) and complete bearing assembly on the second roll shaft (8b) and install.
3. continuous casting of molten steel withdrawal straightening machine pulling-straightening roller assembly method according to claim 1 and 2, it is characterized in that: step 7) and step 8) when water-cooled transparent cover (10), bearing block (12), transparent cover (13) being connected and fixed with bolt and nut (14), leave two symmetrical bolts hole and do not fill bolt and nut (14), for installing lifting bolt; When pulling-straightening roller (8) is sling, lifting bolt is screwed into two symmetrical bolts hole, specialized wire rope hangs out by hanging over two secondary suspension ring pulling-straightening roller (8) to be hung in by lifting bolt overhead traveling crane hook completes, finally will lift bolt to take out, and change assembling bolt nut (14) and complete bearing assembly installation.
4. continuous casting of molten steel withdrawal straightening machine pulling-straightening roller assembly method according to claim 1 and 2, it is characterized in that: step 4) pushes against sleeve (5) is enclosed within after on the second roll shaft (8b), to compress backing plate (6) is placed in pushes against sleeve (5), restart hydraulic ram cylinders (4), the piston rod (4a) of plunger case (4) stretches out and withstands compression backing plate, progressively bearing (11) is depressed into axle sleeve (9) step position.
5. continuous casting of molten steel withdrawal straightening machine pulling-straightening roller assembly method according to claim 1 and 2, it is characterized in that: axle sleeve (9) is interference fits with the axle of pulling-straightening roller (8), by axle sleeve (9) gas welding homogeneous heating 150 ~ 200 DEG C, be contained on the axle of pulling-straightening roller (8), cooling rear axle housing (9) is held tightly on the axle of pulling-straightening roller.
CN201310535038.4A 2013-11-01 2013-11-01 A kind of continuous casting of molten steel withdrawal straightening machine pulling-straightening roller assembling device and assembly method CN103567745B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310535038.4A CN103567745B (en) 2013-11-01 2013-11-01 A kind of continuous casting of molten steel withdrawal straightening machine pulling-straightening roller assembling device and assembly method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310535038.4A CN103567745B (en) 2013-11-01 2013-11-01 A kind of continuous casting of molten steel withdrawal straightening machine pulling-straightening roller assembling device and assembly method

Publications (2)

Publication Number Publication Date
CN103567745A CN103567745A (en) 2014-02-12
CN103567745B true CN103567745B (en) 2016-04-20

Family

ID=50040918

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310535038.4A CN103567745B (en) 2013-11-01 2013-11-01 A kind of continuous casting of molten steel withdrawal straightening machine pulling-straightening roller assembling device and assembly method

Country Status (1)

Country Link
CN (1) CN103567745B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201026561Y (en) * 2007-03-20 2008-02-27 永城煤电集团有限责任公司 Hydraulic pressure type bearing disassembly and assembly machine for maintaining supporting roller
CN101176967A (en) * 2007-12-10 2008-05-14 广州市嘉特斯机电制造有限公司 Bearing press-in device and method of use thereof
KR20090004965U (en) * 2007-11-20 2009-05-25 현대제철 주식회사 Apparatus for changing Roller
CN202147124U (en) * 2011-07-08 2012-02-22 上海超惠通风环保设备有限公司 Bearing mounting device of integral type bearing box
CN102729029A (en) * 2012-06-25 2012-10-17 山东合太恒科技股份有限公司 Bearing press mounting device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201026561Y (en) * 2007-03-20 2008-02-27 永城煤电集团有限责任公司 Hydraulic pressure type bearing disassembly and assembly machine for maintaining supporting roller
KR20090004965U (en) * 2007-11-20 2009-05-25 현대제철 주식회사 Apparatus for changing Roller
CN101176967A (en) * 2007-12-10 2008-05-14 广州市嘉特斯机电制造有限公司 Bearing press-in device and method of use thereof
CN202147124U (en) * 2011-07-08 2012-02-22 上海超惠通风环保设备有限公司 Bearing mounting device of integral type bearing box
CN102729029A (en) * 2012-06-25 2012-10-17 山东合太恒科技股份有限公司 Bearing press mounting device

Also Published As

Publication number Publication date
CN103567745A (en) 2014-02-12

Similar Documents

Publication Publication Date Title
CN204524695U (en) Support mechanism in a kind of swelling location
CN106429557A (en) Winding equipment on protection film production equipment
CN201843901U (en) Bearing clearance adjusting device for balance shaft of heavy-duty truck
CN104846143B (en) Construction method for replacing steelmaking converter flue
CN203527947U (en) Clutch brake of crank press
CN201446365U (en) Welding platform conveying device
CN104117660A (en) Cover covering and uncovering device of hydraulic high-temperature melt container
CN201799997U (en) Bearing push mounting machine
CN203916734U (en) Spring cone crusher
CN201455625U (en) Rapid installing device of steel wire retainer ring for holes
CN103612107B (en) The general utility tool of the multiple parts of a kind of quick release
CN205705382U (en) A kind of friction pressure machine worktable
CN105420432B (en) A kind of replacing options of blast furnace cooling stave
CN204052748U (en) A kind of forging press column auto-compensation cover
CN201446134U (en) Pinch roll device for coiler furnace of cut deal steekle mill
CN103538006A (en) C-shaped flange centering alignment device and alignment method thereof
CN202207796U (en) Trunnion with spindle sleeve
CN202037018U (en) Grinding roller structure of vertical mill
CN202028909U (en) Device for disassembling furnace roller bearing
CN204294649U (en) A kind of Bar Cooling Bed alignment roller denoted transmission mechanism
CN202607202U (en) Appliance for assembly and disassembly of oil film bearing
CN202825037U (en) Moving type steel cylinder assembly machine
CN105499900A (en) Welding rotary platform
CN204338573U (en) A kind of Combined vertical roll
CN202134669U (en) Sealing structure for electromagnetic brake connecting terminal

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160420

Termination date: 20191101