CN210682940U - Novel closed type lifting appliance for rolling mill - Google Patents

Novel closed type lifting appliance for rolling mill Download PDF

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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
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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
Application number
CN201920939407.9U
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Chinese (zh)
Inventor
徐丙海
孙搏
梁旭东
武后岭
杨伟伟
刘修虎
王涛
曹树华
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.)
Shandong Laigang Yongfeng Steel and Iron Co Ltd
Original Assignee
Shandong Laigang Yongfeng Steel and Iron 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
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Priority to CN201920939407.9U priority Critical patent/CN210682940U/en
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Publication of CN210682940U publication Critical patent/CN210682940U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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

Novel closed type lifting appliance for rolling mill
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.
CN201920939407.9U 2019-06-21 2019-06-21 Novel closed type lifting appliance for rolling mill Expired - Fee Related CN210682940U (en)

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)

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Granted publication date: 20200605