CN210682940U - Novel closed type lifting appliance for rolling mill - Google Patents
Novel closed type lifting appliance for rolling mill Download PDFInfo
- Publication number
- CN210682940U CN210682940U CN201920939407.9U CN201920939407U CN210682940U CN 210682940 U CN210682940 U CN 210682940U CN 201920939407 U CN201920939407 U CN 201920939407U CN 210682940 U CN210682940 U CN 210682940U
- Authority
- CN
- China
- Prior art keywords
- ring
- reinforcing
- rolling mill
- reinforcing ring
- lifting appliance
- 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
Links
- 238000005096 rolling process Methods 0.000 title claims abstract description 32
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 63
- 239000002184 metal Substances 0.000 claims abstract description 14
- 229910052751 metal Inorganic materials 0.000 claims abstract description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Landscapes
- Load-Engaging Elements For Cranes (AREA)
Abstract
The utility model discloses a novel lifting appliance of a closed rolling mill, which comprises a guide rail and a travelling crane arranged on the guide rail, wherein the front end of the travelling crane is provided with the lifting appliance, the lifting appliance comprises a main reinforcing ring, and two pairs of reinforcing rings are sleeved on the main reinforcing ring; two first secondary reinforcing rings are sleeved on the secondary reinforcing ring; each first secondary reinforcing ring is provided with a metal chain; the other end of the metal chain is provided with a second secondary reinforcing ring; the bottom of the second secondary reinforcing ring is provided with a hoisting head; the hoisting head comprises an inverted U-shaped stress ring; the two ends of the stress ring are opposite to each other and provided with lock holes; a reinforcing bolt penetrates through the lock hole; the reinforcing bolt is fixed with the stress ring through a nut. The utility model discloses a novel hoist of closed rolling mill adopts the whole change of rolling mill to improve and change efficiency to design special lifting device, improved hoist and mount efficiency and factor of safety.
Description
Technical Field
The utility model relates to a rolling mill assembly and disassembly tools, concretely relates to novel hoist of closed type rolling mill belongs to rolling mill assembly and disassembly tools technical field.
Background
Because of the limitation of the form of the rolling mill, when the roller is replaced, the locking device of the roller needs to be disassembled, the roller is pushed out of a housing of the rolling mill, and the rollers are hoisted one by using a travelling crane; the existing roller hoisting equipment has single type, such as Chinese patent application number: 201420150785.6, discloses a closed cogging mill roll sling, which comprises a strip sling main body, wherein the whole length of the sling main body is larger than the height distance between the top of a closed cogging mill casing and the lowest roll in the casing, the upper end of the sling main body is provided with an elbow with 90-degree bending and steering, the lower end of the sling main body is provided with a connector, the side surface of the connector, which is consistent with the direction of the elbow, is provided with a roll end shaft mounting hole matched with the roll end shaft of the closed cogging mill, and the elbow is provided with an upward hook rope sleeve; the lifting appliance of the utility model can be used for assisting the replacement and installation of the roller of the closed cogging mill, can shorten the disassembly and assembly time and improve the labor efficiency, and has the advantages of simple structure and convenient use; but the online operation process is complex and the time is long; the safety precautions are more during the replacement, and the installation quality is unstable.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a novel hoist of closed rolling mill adopts the whole change of rolling mill to improve and change efficiency to design special lifting device, improved hoist and mount efficiency and factor of safety.
The utility model discloses a novel lifting appliance of a closed rolling mill, which comprises a guide rail and a travelling crane arranged on the guide rail, wherein the front end of the travelling crane is provided with the lifting appliance, the lifting appliance comprises a main reinforcing ring, and two pairs of reinforcing rings are sleeved on the main reinforcing ring; two first secondary reinforcing rings are sleeved on the secondary reinforcing ring; each first secondary reinforcing ring is provided with a metal chain; the other end of the metal chain is provided with a second secondary reinforcing ring; the bottom of the second secondary reinforcing ring is provided with a hoisting head; the hoisting head comprises an inverted U-shaped stress ring; the two ends of the stress ring are opposite to each other and provided with lock holes; a reinforcing bolt penetrates through the lock hole; the reinforcing bolt is fixed with the stress ring through a nut; during hoisting, the reinforcing bolt is disassembled, the stress ring can be clamped into the lifting lug on the mill housing structure, and the stress ring and the lifting lug are penetrated through the reinforcing bolt and locked through the nut; fixing a hoisting point of the rolling mill can be completed, and finally, the rolling mill is hoisted out through a crane; the whole rolling mill is adopted for replacement, the replacement efficiency is improved, and the lifting appliance is independently arranged, so that the problems of low efficiency, unsafety, large consumption and the like of the conventional steel wire rope lifting are solved; the whole weight of the rolling mill is determined, and the hanging ring and the iron chain part are designed according to the structural characteristics of the housing of the rolling mill, so that the closed rolling mill can be quickly and safely hoisted.
Further, the first slave reinforcing ring and the second slave reinforcing ring comprise two U-shaped pieces; two ends of the U-shaped part are oppositely provided with lock holes; the lock holes of the two U-shaped pieces are opposite and locked by a reinforcing bolt and a nut; through the dismouting reinforcing bolt and nut, can make the metal chain replace fast, after the metal chain or the metal chain wearing and tearing that need the bearing big are serious, directly replace.
Further, the length of the inner hole of the main reinforcing ring is 270mm, and the width of the inner hole of the main reinforcing ring is 140 mm; the inner diameter of the stress ring is 240mm, and the aperture of the lock hole is 42 mm; the length of an inner hole formed by the stress ring and the reinforcing bolt is 420 mm.
The utility model discloses a prior art compares, the utility model discloses a novel hoist of closed rolling mill adopts whole hoist and mount, and the dismouting is efficient to set up the hoist alone, through the whole weight of nuclear mill, according to rolling mill housing structural feature, design rings and iron chain part realize quick, the safe hoist and mount closed rolling mill.
Drawings
Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present invention.
Detailed Description
Example 1:
as shown in fig. 1, the novel closed-type lifting appliance for rolling mills of the present invention comprises a guide rail and a traveling crane mounted on the guide rail, wherein the front end of the traveling crane is provided with a lifting appliance, the lifting appliance comprises a main reinforcing ring 1, and two pairs of reinforcing rings 2 are sleeved on the main reinforcing ring 1; two first secondary reinforcing rings 3 are sleeved on the secondary reinforcing ring 2; each first secondary reinforcing ring 3 is provided with a metal chain 4; the other end of the metal chain 4 is provided with a second auxiliary reinforcing ring 5; the bottom of the second secondary reinforcing ring 5 is provided with a hoisting head 6; the hoisting head 6 comprises an inverted U-shaped force-bearing ring 61; two ends of the stress ring 61 are opposite to each other and provided with lock holes; a reinforcing bolt 62 penetrates through the lock hole; the reinforcing bolt 62 is fixed with the stress ring 61 through a nut 63; during hoisting, the reinforcing bolt is disassembled, the stress ring can be clamped into the lifting lug on the mill housing structure, and the stress ring and the lifting lug are penetrated through the reinforcing bolt and locked through the nut; fixing a hoisting point of the rolling mill can be completed, and finally, the rolling mill is hoisted out through a crane; the whole rolling mill is adopted for replacement, the replacement efficiency is improved, and the lifting appliance is independently arranged, so that the problems of low efficiency, unsafety, large consumption and the like of the conventional steel wire rope lifting are solved; the whole weight of the rolling mill is determined, and the hanging ring and the iron chain part are designed according to the structural characteristics of the housing of the rolling mill, so that the closed rolling mill can be quickly and safely hoisted.
Wherein the first slave reinforcing ring 3 and the second slave reinforcing ring 5 comprise two U-shaped pieces 31; two ends of the U-shaped part 31 are opposite to each other and provided with lock holes; the lock holes of the two U-shaped pieces 31 are opposite and locked by a reinforcing bolt 62 and a nut; through the dismouting reinforcing bolt and nut, can make the metal chain replace fast, after the metal chain or the metal chain wearing and tearing that need the bearing big are serious, directly replace.
The length of an inner hole of the main reinforcing ring 1 is 270mm, and the width of the inner hole is 140 mm; the inner diameter of the stress ring 61 is 240mm, and the aperture of the lock hole is 42 mm; the length of an inner hole formed by the stress ring 61 and the reinforcing bolt is 420 mm.
The above-mentioned embodiment is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles of the present invention are included in the claims of the present invention.
Claims (3)
1. The utility model provides a novel hoist of closed rolling mill, includes the guide rail, and installs the driving on the guide rail, its front end of driving is installed the hoist, its characterized in that: the lifting appliance comprises a main reinforcing ring, and two auxiliary reinforcing rings are sleeved on the main reinforcing ring; two first secondary reinforcing rings are sleeved on the secondary reinforcing ring; each first secondary reinforcing ring is provided with a metal chain; the other end of the metal chain is provided with a second secondary reinforcing ring; the bottom of the second secondary reinforcing ring is provided with a hoisting head; the hoisting head comprises an inverted U-shaped stress ring; the two ends of the stress ring are opposite to each other and provided with lock holes; a reinforcing bolt penetrates through the lock hole; the reinforcing bolt is fixed with the stress ring through a nut.
2. The novel hanger of closed rolling mill according to claim 1, characterized in that: the first secondary reinforcing ring and the second secondary reinforcing ring comprise two U-shaped pieces; two ends of the U-shaped part are oppositely provided with lock holes; the lock holes of the two U-shaped pieces are opposite and locked by a reinforcing bolt and a nut.
3. The novel hanger of closed rolling mill according to claim 1, characterized in that: the length of the inner hole of the main reinforcing ring is 270mm, and the width of the inner hole of the main reinforcing ring is 140 mm; the inner diameter of the stress ring is 240mm, and the aperture of the lock hole is 42 mm; the length of an inner hole formed by the stress ring and the reinforcing bolt is 420 mm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920939407.9U CN210682940U (en) | 2019-06-21 | 2019-06-21 | Novel closed type lifting appliance for rolling mill |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920939407.9U CN210682940U (en) | 2019-06-21 | 2019-06-21 | Novel closed type lifting appliance for rolling mill |
Publications (1)
Publication Number | Publication Date |
---|---|
CN210682940U true CN210682940U (en) | 2020-06-05 |
Family
ID=70886968
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201920939407.9U Expired - Fee Related CN210682940U (en) | 2019-06-21 | 2019-06-21 | Novel closed type lifting appliance for rolling mill |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN210682940U (en) |
-
2019
- 2019-06-21 CN CN201920939407.9U patent/CN210682940U/en not_active Expired - Fee Related
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101670975B (en) | Steam turbine rotor lifting tool | |
CN210682940U (en) | Novel closed type lifting appliance for rolling mill | |
CN201999622U (en) | Hoisting device for working roller or intermediate roller | |
CN201793312U (en) | Auxiliary device for overturning large articles with end flanges | |
CN202284116U (en) | Lifting appliance special for large equipment | |
CN205590168U (en) | Overturning lifting device | |
CN102060231A (en) | Hoisting method and device for work roller or middle roller | |
CN214087457U (en) | Movable steel frame type small steel column and steel beam hoisting tool | |
CN211169520U (en) | Device is changed to rolling mill backing roll | |
CN213505548U (en) | Special lifting appliance for hot saw blade | |
CN211169515U (en) | Lifting device for adjusting hydraulic cylinder of universal mill | |
CN203237938U (en) | Coaxial double roller device | |
CN209668624U (en) | A kind of crane hook assembly | |
CN203474244U (en) | Roller ring hanging tool of straightener | |
CN209974075U (en) | Winding drum of mine hoist | |
CN209210234U (en) | One kind is for the moveable hanging apparatus of metallurgical large-tonnage overhead traveling crane | |
CN214989698U (en) | Prefabricated tubular pile hoist device | |
CN215924133U (en) | Main steam valve threaded ring installation lifting appliance | |
CN212387573U (en) | Super large bearing lifting device assembly | |
CN216038126U (en) | Novel hoist and mount device | |
CN217080514U (en) | Negative ring canal piece dismounting lifting appliance device | |
CN215879241U (en) | 550-type roll changing device of high-speed wire rod vertical rolling mill | |
CN210150575U (en) | Tool for hoisting vertical well pipe in place | |
CN211110618U (en) | Ring rolls core roller hoist device | |
CN217996482U (en) | Hoisting device of assembled component |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200605 |