CN106861882A - The method that ball mill has bad luck lifting in building - Google Patents
The method that ball mill has bad luck lifting in building Download PDFInfo
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- CN106861882A CN106861882A CN201710102564.XA CN201710102564A CN106861882A CN 106861882 A CN106861882 A CN 106861882A CN 201710102564 A CN201710102564 A CN 201710102564A CN 106861882 A CN106861882 A CN 106861882A
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- Prior art keywords
- ball mill
- lifting
- track
- steel
- hole
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/10—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls with one or a few disintegrating members arranged in the container
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Refuse Collection And Transfer (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses the method that ball mill in a kind of building has bad luck lifting, comprise the following steps：（1）Preparation of construction；（2）Strength check；（3）Make delivery track：Two tracks are spread out using H profile steel, track root is provided with upright supports, and track top is provided with reeded conveying device；（4）Install boom hoisting：Hole to form hole for hoist near spandrel girder position on the platform of Ball Mill Foundation upper floor, shared respectively on the spandrel girder of both sides using I-steel on each hole for hoist, 20t chain blocks are installed on each hole for hoist, ball mill is lifted by crane with chain block when directly over ball mill movement to on-station position；（5）Lifting ball mill.Present invention lifting efficiency high, translational speed is very fast, and the time in place is short.
Description
Technical field：
The present invention relates to a kind of method of lifting, the method that ball mill has bad luck lifting in more particularly to a kind of building.
Background technology：
Industry is installed in equipment, it is often necessary to which the installation for carrying out equipment in interior of building works in place, due to equipment component body
Product, weight are larger, it is impossible to take common hanging method, furthermore the lifting facility of maintenance much can not meet and set in building
The need for standby integral installation is in place, so the method that a kind of equipment in building of formulation has bad luck lifting is essential.
The content of the invention：
The technical problems to be solved by the invention are：Overcome the deficiencies in the prior art, there is provided a kind of method rationally, can be carried effectively
The method that ball mill has bad luck lifting in the building of height lifting efficiency.
The present invention is for the technical solution adopted for solving the technical problem：
A kind of method that ball mill has bad luck lifting in building, comprises the following steps：
（1）Preparation of construction：The position of height, width and the strong point of conveying device is determined according to on-site actual situations, to lifting
Place carries out smooth, coordinates the actual machine capability in scene to determine lifting machine and corresponding aid.
（2）Strength check：Determine whether the material composition of conveying device, the selection of lifting device accord with by strength check
Conjunction is actually needed.
（3）Make delivery track：Two tracks are spread out using H profile steel, track root is provided with upright supports, track top
It is provided with reeded conveying device.
（4）Install boom hoisting：Hole to be formed near spandrel girder position on the platform of Ball Mill Foundation upper floor and hang
Dress hole, is shared on the spandrel girder of both sides respectively on each hole for hoist using I-steel, and installing 20t on each hole for hoist pulls
Cucurbit, ball mill is lifted by crane when directly over ball mill movement to on-station position with chain block.
（5）Lifting ball mill：Ball mill is had bad luck to lifting position with 100t and 55t truck cranes, double cars have been lifted and have been raised to
After certain altitude, 100t and 55t truck cranes slowly move to ball mill on the track fulcrum for laying in advance, then 100t vapour
Car hangs loose hook, is lifted by 55t truck crane bicycles, starts to be changed when being consigned to track interior and is lifted by 100t truck crane bicycles,
Ball mill is consigned to ball mill on-station position in the horizontal direction with two 10t chain blocks, with 4 installed on floor
20t chain blocks are sling ball mill and by lower tracks and supporting removal, while slowly 4 20 tons of chain blocks of adjustment, will
Ball mill falls back to installation site.
In step（3）In two spacing of track be 3 meters, the material of track is the H profile steel of 588 × 500 × 16 × 20mm,
Upright supports are made from the square steel of the discarded section bar 20a channel-section steels composition in scene, upright supports design spacing 1.5m, strut length
4.7m。
In step（5）During middle lifting ball mill, to prevent civil engineering beam scratch steel wire rope, ball mill from need to be reserved when entering factory building
Go out a certain distance, so 100t truck cranes Heave Here need to be close to factory building side.Double cars must not exceed every crane load when lifting
80%, bicycle lifting is crane load no more than the 90% of rated load.
The steel wire rope is used for the lifting of ball mill, and the I-steel used on the hole for hoist is not shorter than 3.5 meters for 2
25a I-steel.
Positive beneficial effect of the invention is：
1st, the present invention formulates corresponding hanging method according to engineering site actual conditions, makes construction more convenient, not only increases
The lifting efficiency of equipment, lifts economic benefit, improves the work output value, and can with larger reduction construction it is dangerous because
Element.
2nd, the use material in the present invention has not only saved the input of raw material, and have using the discarded section bar in scene
Good environment protecting, translational speed of the present invention is very fast in addition, and the time in place is short, can effectively shorten the lifting duration of equipment,
With good practicality.
Brief description of the drawings：
Fig. 1 is the schematic flow sheet of the method that ball mill has bad luck lifting in building of the present invention；
Fig. 2 is the delivery track schematic diagram that ball mill is had bad luck in the method for lifting in building of the present invention；
Fig. 3 is the ball mill top floor punching schematic diagram that ball mill is had bad luck in the method for lifting in building of the present invention；
Fig. 4 is that double cars that ball mill is had bad luck in the method for lifting in building of the present invention lift lifting lifting force analysis figure；
Fig. 5 is the 55t automobiles bicycle lifting lifting force analysis figure that ball mill is had bad luck in the method for lifting in building of the present invention.
Specific embodiment：
The present invention is made further explanation and description with specific embodiment below in conjunction with the accompanying drawings：
Referring to Fig. 1, Fig. 2 and Fig. 3：In figure, 11- cylinders, 12- conveying devices, 13- tracks, 14- columns, 15- spandrel girders, 16- works
Word steel, 17- holes for hoist.
Embodiment：A kind of method that ball mill has bad luck lifting in building, comprises the following steps：
（1）Preparation of construction：The position of height, width and the strong point of conveying device is determined according to on-site actual situations, to lifting
Place carries out smooth, coordinates the actual machine capability in scene to determine lifting machine and corresponding aid；
（2）Strength check：Determine whether the material composition of conveying device, the selection of lifting device meet reality by strength check
Border needs；
（3）Make delivery track：Two tracks 13 are spread out using H profile steel, the root of track 13 is provided with column 14 and supports, track 13
Top is provided with reeded conveying device 12；
（4）Install boom hoisting：Hole to form lifting near the position of spandrel girder 15 on the platform of Ball Mill Foundation upper floor
Hole 17, is shared on the spandrel girder 15 of both sides respectively on each hole for hoist 17 using I-steel 16, is installed on each hole for hoist 17
20t chain blocks, ball mill is lifted by crane when directly over ball mill movement to on-station position with chain block；
（5）Lifting ball mill：Ball mill is had bad luck to lifting position with 100t and 55t truck cranes, double cars have been lifted and have been raised to necessarily
After height, 100t and 55t truck cranes slowly move to ball mill on the track fulcrum for laying in advance, then 100t truck cranes
Loose hook, is lifted by 55t truck crane bicycles, starts to change and lifted by 100t truck crane bicycles to when being consigned inside track 13, is used
Two 10t chain blocks are in the horizontal direction consigned to ball mill on-station position ball mill, with 4 installed on floor
20t chain blocks are sling ball mill and by lower tracks 13 and the supporting removal of column 14, while slowly 4 20 tons of adjustment is pulled
Cucurbit, installation site is fallen back to by ball mill.
In step（3）In two spacing of track 13 be 3 meters, the material of track 13 is the H of 588 × 500 × 16 × 20mm
Shaped steel, the support of column 14 is made from the square steel of the discarded section bar 20a channel-section steels composition in scene, the supported design spacing of column 14
1.5m, the length 4.7m of column 14.
In step（5）During middle lifting ball mill, to prevent civil engineering beam scratch steel wire rope, ball mill from need to be reserved when entering factory building
Go out a certain distance, so 100t truck cranes Heave Here need to be close to factory building side, double cars must not exceed every crane load when lifting
80%, bicycle lifting is crane load no more than the 90% of rated load.
Steel wire rope is used for the lifting of ball mill, and the I-steel 16 used on hole for hoist 17 is 2 25a for not being shorter than 3.5 meters
Number I-steel 16.
When carrying out strength check, because the part of cylinder 11 weighs 47t altogether, length is 8 meters, crane performance table is checked, to two
Crane carries out power can be distributed, and apart from 2 meters of body centre, 55t truck cranes suspension centre is apart from 4 meters of body centre for 100t truck cranes suspension centre
（Can be adjusted according to the length situation of cylinder 11）, force analysis：F1+F2=47t, 2F1=4·F2, try to achieve：F1=31.33t, F2
=15.67t, 100t truck cranes lifting amount is F during lifting1=31.33t, 55t truck crane lifting amount are F2=15.67t, 100t automobile
Maximum lifting amount is 47t when being hung in 7 meters of the radius of gyration 13 meters of brachium, and rate of load condensate is 31.33/47=66.66%, 55t vapour to the maximum
Car is hung in 6 meters of the radius of gyration, and the biggest lifting capacity is 23.5t during 18.1 meters of interior brachium, and rate of load condensate is 15.67/23.5=to the maximum
66.68%, rate of load condensate is respectively less than 80% when two cars are lifted, and meets the requirements.
When equipment one end is placed on delivery track 13,100t truck cranes need loose hook, and now 55t truck cranes bicycle hangs
Dress, now the track strong point is apart from 2.75 meters of equipment center, force analysis：F3+F4=47t, 4F3=2.75·F4Therefore：F3=
19.15t, F4=27.85t, 55t truck crane undertake lifting amount for F3=19.15t, 55t the truck crane centre of gyration are apart from Heave Here 5.9
Rice, now the biggest lifting capacity is 23.9t under operating mode, and rate of load condensate is 19.15/23.9=80.13% to the maximum, and bicycle lifting rate of load condensate is small
In 90%, meet the requirements.
Drawn according to construction procedure, lift the stage in double cars, 100t truck crane suspension centres maximum weighted is 31.33t, using φ
52mm steel wire ropes (6 × 37+1) length is 16 meters, 11 a diameter of 3.26 meters of the cylinder tied up, therefore the level of steel wire rope and ball mill
Angle is about 70 °, 100t truck cranes suspension centre totally two strand stress, and single-strand rope stress is（31.33t/2）/sin70°=
16.67t, it is considered to lift dynamic load factor K1=1.25, unbalance factor K2=1.1, calculated weight is according to 47t × 1.25 × 1.1=
64.625t is calculated, altogether four-ply steel wire rope stress, the vertical stress of steel wire rope, and single wire rope and 20t chain block stress are
64.625t/4=16.16t, so stress is larger when steel wire rope is lifted during cord strength is checked, therefore according to stress when lifting i.e.
16.67t is checked, and single-strand rope maximum weighted is 16.67t, is known through tabling look-up：φ 52mm steel wire ropes (6 × 37+1) are disrumpent feelings
Pulling force is 1395kN, safe wire cable multiple：（1395/9.8）/ 16.67=8.54 ＞ 8, cord strength meets the requirements.
Known ball mill weight is 47t, and the full payload of track 13 is 47000kg, track 13 from 588 × 500 × 16 ×
The H profile steel of 20mm, single H profile steel stress is 23500kg, and L=1.5m is computed knowing its module of anti-bending section Wz=6235cm3, should
Place's stressing conditions are calculated according to simple beam case：Mmax=FL/4, σ=Mmax/Wz（Wherein Wz is bending resistant section coefficient, MmaxFor
Maximal bending moment, F are load）, take g=9.8N/kg, allowable stress [σ]=160N/mm2, obtain：σ=F·L/4Wz, σ=（23500×9.8
×1500）/（4×6235×103）=13.85N/mm2＜ [σ]=160N/mm2, intensity meets the requirements.
Column 14 uses 20a channel-section steels（Material Q235）During the square steel of composition, supporting leg is spaced every 1.5 meter ampere and fills one, length
Degree L=4.7m, force analysis belongs to multispan statically determinate beam, and computational methods are complicated, it is considered to which extreme stressing conditions are all stress by track
Column 14 all bears at fulcrum, and altogether everywhere, track Unit Weight is 226kg/m to this programme designed path fulcrum, so single
Maximum weighted is 226 × 1.5+47000/4=12089kg under column extreme case, and square steel sectional area is A=57.6cm2。
Strength checking：σ=N/A=（12089×9.8）/（57.6×102）=20.57N/mm2＜ f=215N/mm2,（Wherein f
It is the tensile strength design load of steel）, intensity meets the requirements.
Level delivery is checked with 10t chain blocks：Cylinder 11 weighs 47t altogether, takes coefficient of maximum static friction μ=0.12, maximum quiet
Frictional force f=μ F=0.12 × 47000 × 9.8=55.27kN, pulling force is 55.27/9.8=5.64t, and two 10t chain blocks are maximum
Permission stress is 20t ＞ 5.64t, meets and requires.
The conveying device strength check of cylinder 11：Spacing is 5.5m between the strong point of conveying device two, according in cylinder when using
The heart is arranged symmetrically, and support uses the H profile steel of 175 × 175 × .5 × 11, and single fulcrum uses 4,8 altogether, delivery circle side by side
During shape cylinder, top adds support, prevents ball mill barrel from rolling, and single H profile steel stress is calculated according to 47000kg/8=5875kg,
Wz=331cm3, σ=FL/4Wz=（5875×9.8×3000）/（4×331×103）=130.5N/mm2＜ [σ]=160N/mm2,
Intensity meets the requirements.
The pipeline sections of Φ 89 × 3 product is 8.105cm2, the common stress 5.64/2=2.82t in connecting pipe road, single steel pipe stress
2.82/3=0.94t, σ=N/A=（940×9.8）/（8.105×102）=11.37N/mm2＜ [σ]=160N/mm2, meet the requirements.
The shoulder pole girder strength check of I-steel 16 on floor：Known ball mill weight is 47t, and stress is at single hole for hoist 17
11.75t, each hole for hoist 17 is shared on spandrel girder 15 from two 25a I-steel 16, the stress of single I-steel 16
5875kg, tables look-up and knows its module of anti-bending section Wz=402cm3, take Dynamic factor k1=1.1, unbalanced loading coefficient k2=1.25、
g=9.8N/kg,[σ]=160N/mm2。L≤4[σ]·Wz/k1·k2·F=（4×160×106×402×10- 6）/（1.1×
1.25×5875×9.8）=3.25m, looks into buider's work drawing and knows：Civil engineering 11.95m layers of spandrel girder maximum spacing is 2.55m ＜ 3.25m,
Meet the requirements.
The above, is only preferred embodiments of the invention, and any formal limitation is not made to the present invention, all
It is any simple modification, equivalent variations and the modification made to above example according to technical spirit of the invention, still falls within
In the protection domain of technical solution of the present invention.
Claims (4)
1. a kind of method that ball mill has bad luck lifting in building, it is characterised in that comprise the following steps：
（1）Preparation of construction：The position of height, width and the strong point of conveying device is determined according to on-site actual situations, to lifting
Place carries out smooth, coordinates the actual machine capability in scene to determine lifting machine and corresponding aid；
（2）Strength check：Determine whether the material composition of conveying device, the selection of lifting device meet reality by strength check
Border needs；
（3）Make delivery track：Two tracks are spread out using H profile steel（13）, track（13）Root is provided with column（14）Support,
Track（13）Top is provided with reeded conveying device（12）；
（4）Install boom hoisting：Near spandrel girder on the platform of Ball Mill Foundation upper floor（15）Position holes to be formed and hangs
Dress hole（17）, each hole for hoist（17）Upper use I-steel（16）The spandrel girder in both sides is shared respectively（15）On, each lifting
Hole（17）On install 20t chain blocks, lift by crane ball mill with chain block when ball mill movement is to directly over on-station position；
（5）Lifting ball mill：Ball mill is had bad luck to lifting position with 100t and 55t truck cranes, double cars have been lifted and have been raised to necessarily
After height, 100t and 55t truck cranes slowly move to ball mill on the track fulcrum for laying in advance, then 100t truck cranes
Loose hook, is lifted by 55t truck crane bicycles, is started to track（13）Changed during the delivery of inside and lifted by 100t truck crane bicycles,
Ball mill is consigned to ball mill on-station position in the horizontal direction with two 10t chain blocks, with 4 installed on floor
20t chain blocks are sling ball mill and by lower tracks（13）And column（14）Supporting removal, while slowly 4 20 tons of adjustment
Chain block, installation site is fallen back to by ball mill.
2. the method that ball mill has bad luck lifting in building according to claim 1, it is characterised in that：In step（3）In
Two tracks（13）Spacing be 3 meters, track（13）Material be 588 × 500 × 16 × 20mm H profile steel, column（14）Branch
Support is made from the square steel of the discarded section bar 20a channel-section steels composition in scene, column（14）Supported design spacing 1.5m, column（14）It is long
Degree 4.7m.
3. the method that ball mill has bad luck lifting in building according to claim 1, it is characterised in that：In step（5）In
During lifting ball mill, to prevent civil engineering beam scratch steel wire rope, ball mill into a certain distance need to be reserved during factory building, so
100t truck cranes Heave Here need to be close to factory building side, and double cars must not exceed every the 80% of crane load when lifting, bicycle lifting is to hang
90% of car load no more than rated load.
4. the method that ball mill has bad luck lifting in building according to claim 3, it is characterised in that：The steel wire rope is used
In the lifting of ball mill, the hole for hoist（17）The I-steel of upper use（16）It is 2 25a I-steel for not being shorter than 3.5 meters
（16）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710102564.XA CN106861882A (en) | 2017-02-24 | 2017-02-24 | The method that ball mill has bad luck lifting in building |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710102564.XA CN106861882A (en) | 2017-02-24 | 2017-02-24 | The method that ball mill has bad luck lifting in building |
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| Publication Number | Publication Date |
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| CN106861882A true CN106861882A (en) | 2017-06-20 |
Family
ID=59168690
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| CN201710102564.XA Pending CN106861882A (en) | 2017-02-24 | 2017-02-24 | The method that ball mill has bad luck lifting in building |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109225410A (en) * | 2018-08-22 | 2019-01-18 | 中国二十冶集团有限公司 | A kind of rotary type Crushing Station mounting process |
| CN112919314A (en) * | 2021-02-25 | 2021-06-08 | 华诚博远工程技术集团有限公司 | Device for assisting in translational transportation and installation of overweight steel column and construction method |
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| JPH09253520A (en) * | 1996-03-26 | 1997-09-30 | Nkk Corp | Rod conveying method from rod mill |
| CN101712444A (en) * | 2009-10-22 | 2010-05-26 | 广东力特工程机械有限公司 | Method for hoisting large-size workpiece in ordinary plant and hydraulic jacking equipment thereof |
| DE102009000441A1 (en) * | 2009-01-27 | 2010-07-29 | Neuman & Esser Gmbh Mahl- Und Sichtsysteme | bowl mill |
| CN102049335A (en) * | 2009-11-06 | 2011-05-11 | 中冶成工上海五冶建设有限公司 | Installation and construction method of large-sized ball mill |
| CN103787232A (en) * | 2014-02-27 | 2014-05-14 | 济南重工股份有限公司 | Cylinder body lifting device for ball grinding mill |
| CN105781108A (en) * | 2016-03-04 | 2016-07-20 | 中铁隧道集团二处有限公司 | Overall transition construction method for large-size steel mould between adjacent field regions |
-
2017
- 2017-02-24 CN CN201710102564.XA patent/CN106861882A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09253520A (en) * | 1996-03-26 | 1997-09-30 | Nkk Corp | Rod conveying method from rod mill |
| DE102009000441A1 (en) * | 2009-01-27 | 2010-07-29 | Neuman & Esser Gmbh Mahl- Und Sichtsysteme | bowl mill |
| CN101712444A (en) * | 2009-10-22 | 2010-05-26 | 广东力特工程机械有限公司 | Method for hoisting large-size workpiece in ordinary plant and hydraulic jacking equipment thereof |
| CN102049335A (en) * | 2009-11-06 | 2011-05-11 | 中冶成工上海五冶建设有限公司 | Installation and construction method of large-sized ball mill |
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| CN105781108A (en) * | 2016-03-04 | 2016-07-20 | 中铁隧道集团二处有限公司 | Overall transition construction method for large-size steel mould between adjacent field regions |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109225410A (en) * | 2018-08-22 | 2019-01-18 | 中国二十冶集团有限公司 | A kind of rotary type Crushing Station mounting process |
| CN112919314A (en) * | 2021-02-25 | 2021-06-08 | 华诚博远工程技术集团有限公司 | Device for assisting in translational transportation and installation of overweight steel column and construction method |
| CN112919314B (en) * | 2021-02-25 | 2022-03-08 | 华诚博远工程技术集团有限公司 | Device for assisting in translational transportation and installation of overweight steel column and construction method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 450000 Zhengzhou, China Central Plains District, North Street, No. 2 West Station Applicant after: China Electrical Construction Group Henan Engineering Co., Ltd. Address before: 450051 Zhengzhou, China Central Plains District, North Street, No. 2 West Station Applicant before: China Electric Power Construction Group Henan engineering company |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170620 |