CN104944282B - A kind of method for steel rope replacing in crane - Google Patents
A kind of method for steel rope replacing in crane Download PDFInfo
- Publication number
- CN104944282B CN104944282B CN201510230149.3A CN201510230149A CN104944282B CN 104944282 B CN104944282 B CN 104944282B CN 201510230149 A CN201510230149 A CN 201510230149A CN 104944282 B CN104944282 B CN 104944282B
- Authority
- CN
- China
- Prior art keywords
- reel
- steel wire
- rope
- wire rope
- new
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C11/00—Trolleys or crabs, e.g. operating above runways
- B66C11/16—Rope, cable, or chain drives for trolleys; Combinations of such drives with hoisting gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D3/00—Portable or mobile lifting or hauling appliances
- B66D3/04—Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage
- B66D3/06—Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage with more than one pulley
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C2700/00—Cranes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ropes Or Cables (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The invention provides a kind of method for steel rope replacing in crane, after cut off by the old steel wire rope that equalizer bar two ends connect, formed two fag end will be cut off and connect new steel wire rope one end and nylon rope one end for winding on cheese respectively, by the traction of nylon rope by new wirerope-winding to reel, the various pieces of fixed pulley group and running block, the replacement operation of two piece steel wire ropes is completed by the i.e. achievable steel cable of nylon rope, so as to save strength, reduce workload, improve working performance, greatly reduce the intensity of steel rope replacing operation.
Description
Technical field
The invention belongs to crane facility installing area, and in particular to a kind of side for steel rope replacing in crane
Method.
Background technology
In prior art, the steel wire rope use state of crane is as shown in figure 1, the crane rope of connection equalizer bar 2 is
Two separate steel wire ropes 4.The common canoe of steel wire rope is：First cable wire end is solid by the first pressing plate 6
It is scheduled on reel 1, retains a part of wirerope-winding and sequentially pass through on reel 1, then and moving that 6 homonymy of the first pressing plate is arranged
In the fixed pulley group 3 of the first movable pulley 501, homonymy on assembly pulley 5 on the first fixed pulley 301 and running block 5 second
Movable pulley 502, then this another fag end of root steel wire rope is fixed on one end of equalizer bar 2 by fixture 7；Then by second
Root steel wire rope is symmetrical arranged with steel cable according to the winding method of steel cable, will second cable wire end
It is fixed on reel 1 by the second pressing plate 8, retains a part of wirerope-winding and sequentially pass through on reel 1, then and described second
302 and of the second fixed pulley in the fixed pulley group 3 of the 4th movable pulley 504, homonymy on running block 5 that 8 homonymy of pressing plate is arranged
The 3rd movable pulley 503 on running block 5, then by this root steel wire rope, another fag end is fixed on equalizer bar 2 by fixture 7
The other end.
At present, adopt the replacing options of above-mentioned steel wire rope mainly including step for：(1) prepare two spoolings and two put
Rope device, if in the case of an only spooling, needing manually to release and block out an isometric steel wire rope；(2) will be flat
The old cable wire end at 2 two ends of weighing apparatus beam puts down, and two new cable wire ends connect two Geju City cable wire ends respectively, removes reel
The pressing plate of steel wire rope is fixed on 1, reel is then rotated forward, newly rope sequentially passes through movable and fixed pulley group to old wire saws, by new steel wire
Rope fag end is wound on reel 1 and after fixation, blocks two new steel wire ropes respectively and form two other fag end, by fixture 7
It is installed to the two ends of equalizer bar 2.This replacing options need to prepare two isometric steel wire ropes, need manually to release and block out
A piece isometric steel wire rope, so as to increased workload, therefore causes working performance not high, and the maintenance mans for needing configuration more enter
Row operation.
The content of the invention
It is an object of the present invention to provide a kind of method for steel rope replacing in crane, can be real using the method
The replacing of two steel wire ropes is now completed by a nylon rope steel cable, so as to save strength, workload is reduced, is carried
High working performance, greatly reduces operation intensity.
For achieving the above object, the present invention provides a kind of method for steel rope replacing in crane, including：
Step 1) fixed pulley group and running block are positioned over into operation area, the limit switch on reel is removed, and records volume
The winding number of turns of the old steel wire rope in cylinder side；
Step 2) two old steel wire ropes that equalizer bar two ends are connected with a running block respectively are cut off, and remove equalizer bar
On fixture；
Step 3) by step 2) in two fag ends cutting off connect the new steel wire rope one end and nylon wound on cheese respectively
Rope one end；
Step 4) pressing plate that two old cable wire ends are fixed on reel is removed, reel is then rotated forward, until new
Steel wire rope is wound on reel with old steel wire rope contact, nylon rope and old steel wire rope contact, and new wirerope-winding reel is extremely
After a few circle, new steel wire rope is disconnected with old steel wire rope contact；
Step 5) by step 4) break the new cable wire end to be formed and be connected with the nylon rope other end, then rotate forward
Reel, until nylon rope disconnects the contact after departing from reel with old steel wire rope contact；
Step 6) reel is rotated forward, until the contact after new steel wire rope is wrapped on reel with nylon rope contact, is disconnected,
And the new cable wire end that will be switched off being formed is fixed on reel side with a pressing plate, then proceedes to rotate forward reel, until new
Steel wire rope and step 1) in record the winding number of turns it is identical after, disconnect positioned at step 3) in old steel wire rope it is identical with nylon rope contact
New steel wire rope at position, forms respectively close to reel and two fag ends of running block；
Step 7) backwards rotation reel, until the new cable wire end that only overbottom pressure plate is pushed down is stayed on reel, then will step
The fag end of rapid 6) the middle close reel side for being formed is fixed on reel opposite side by another pressing plate；
Step 8) rotate forward reel, until reel both sides winding the new steel wire rope number of turns with step 1) in record twine
Around the number of turns it is identical after, disconnect the new steel wire rope that winds on cheese, and the fag end of formation be fixed on into equalizer bar by fixture
One end, while by step 6) in the fag end of close running block side that formed the another of equalizer bar is fixed on by fixture
End；
Step 9) the new steel wire rope changed is carried out arranging rope process, and limit switch is reinstalled on reel.
Used as the further improvement of above-mentioned technical proposal, what described old steel wire rope interlocked is wound in fixed pulley group with dynamic cunning
Between wheel group.
Used as the further improvement of above-mentioned technical proposal, described fixture is the steel wire rope collar or wedge joint.
The present invention a kind of method advantage for steel rope replacing in crane be：
The method of the present invention completes the replacing of two steel wire ropes by a nylon rope realization steel cable, so as to save
Save the strength, reduce workload, improve working performance, greatly reduce the intensity of steel rope replacing operation.
Description of the drawings
Fig. 1 is the attachment structure schematic diagram of crane rope in prior art.
Fig. 2 is the structural representation that steel rope replacing is carried out using the method in the embodiment of the present invention.
Fig. 3 is the structural representation that the steel wire rope collar or wedge joint are installed using the method in the embodiment of the present invention.
Reference
1st, reel 2, equalizer bar
3rd, fixed pulley group 4, steel wire rope
5th, running block 6, the first pressing plate
7th, fixture 8, the second pressing plate
9th, nylon rope 10, rope cramp
11st, steel wire rope rope 301, the first fixed pulley
302nd, the second fixed pulley 501, the first movable pulley
502nd, the second movable pulley 503, the 3rd movable pulley
504th, the 4th movable pulley
Specific embodiment
With reference to the accompanying drawings and examples a kind of method for steel rope replacing in crane of the present invention is entered
Row is described in detail.
Crane as shown in Figure 1 includes：Reel 1, two steel wire ropes 4 being wrapped on reel 1, fixed pulley group 3 and dynamic
Assembly pulley 5, equalizer bar 2, every 4 one fag end of steel wire rope are fixed on the reel 1 by pressing plate, and another fag end passes through fixture
7 are fixed on the equalizer bar 2, and described steel wire rope staggeredly can be wound between fixed pulley group and running block.
Based on the crane of said structure, the schematic diagram of the steel rope replacing with reference to shown in Fig. 2, one kind that the present invention is provided
Method for steel rope replacing in crane is comprised the following steps：
Step 1)：The fixed pulley group 3 and running block 5 of wire rope roll system for winding are positioned over into operation area, are removed on reel 1
Limit switch, the winding number of turns for writing down the unilateral steel wire rope of reel 1 is X, not shown in the limit switch figure on the reel；
Step 2)：By between 2 two ends of equalizer bar the second movable pulley 502 respectively with running block 5, the 3rd movable pulley 503
The steel wire rope of connection cuts off, and removes the fixture 7 on the equalizer bar 2；
Step 3)：By the step 2) in cut off and cable wire end positioned at 502 side of the second movable pulley connects new steel
Cord one end, by 9 one end of cable wire end connection nylon rope positioned at 503 side of the 3rd movable pulley；
Step 4)：The first pressing plate 6 and the second pressing plate 8 that two old cable wire ends are fixed on reel 1 are removed, Ran Houzheng
To rotating drum 1, until new, old cable wire end contact, nylon rope 9 are wound on reel 1 with old cable wire end contact, and
New, old cable wire end contact is disconnected after the circle of the number of turns on reel at least by new wirerope-winding；
Step 5)：By step 4) break the new cable wire end to be formed and be connected with 9 other end of nylon rope, it is then positive to turn
Movable reel 1, when nylon rope 9 departs from reel 1 with old cable wire end contact, this fag end contact is disconnected；
Step 6)：Reel is rotated forward, until disconnected after new cable wire end is wrapped on reel 1 with nylon rope fag end contact
This fag end joint is driven, and the new cable wire end that will be switched off being formed is fixed on the side of reel 1 with the second pressing plate 8, then proceedes to
Rotate forward reel, until the new steel wire rope number of turns that is wrapped on reel 1 is to cut off positioned at step 3 after X) in old steel wire rope and Buddhist nun
New steel wire rope at dragon rope contact same position, defines two fag ends respectively close to reel and running block, two steel wires
Rope, and two fag ends are all into free state；
Step 7)：Then backwards rotation reel, until only remaininging the new cable wire end that the second pressing plate 8 pushes down stays in reel 1
On,；：Then by the step 6) in the fag end of close reel side that formed be fixed on 1 opposite side of reel with the first pressing plate 6；
Step 8)：Reel is rotated forward, until after the new steel wire rope number of turns of 1 both sides of reel winding is X, from new steel wire rope
Coil and release rope length identical with the steel wire rope that the second pressing plate 8 is pushed down, cut off the fag end to be formed and balance is fixed on by fixture
One end of beam, while by step 6) in the fag end of close running block side that formed the another of equalizer bar is fixed on by fixture
One end；
Step 9)：The new steel wire rope changed is carried out arranging rope process, and limit switch is reinstalled on reel.
In addition, described fixture can be the steel wire rope collar or wedge joint.Specifically fixing step is：As shown in figure 3, will
Two new cable wire ends that unused pressing plate is fixed are passed through on fixture 7 (the steel wire rope collar or wedge joint) with equal length,
Two rope cramps 10 are respectively mounted by rope cramp installation provision near two fag ends, steel wire rope rope 11 is passed through into steel wire
The hole of the installation cross pin location of rope sling ring or wedge joint, and be fixed on workshop steel structure or ground reliability fixing point；
Reel is rotated forward, the steel wire rope at the tense wire rope collar or wedge joint installs steel wire rope by rope cramp installation provision
Rope cramp near the collar or wedge joint, then rotates backward reel, removes steel wire rope rope 11, rotates backward reel
Afterwards, steel wire rope rope 11 is changed into relaxed state from tension, now removes steel wire rope rope；The steel wire rope collar or wedge shape are connect
Head is arranged on equalizer bar.
It should be noted last that, above example is only to illustrate technical scheme and unrestricted.Although ginseng
The present invention is described in detail according to embodiment, it will be understood by those within the art that, the technical side to the present invention
Case is modified or equivalent, and without departure from the spirit and scope of technical solution of the present invention, which all should be covered in the present invention
Right in the middle of.
Claims (3)
1. a kind of method for steel rope replacing in crane, it is characterised in that include：
Step 1) fixed pulley group and running block are positioned over into operation area, remove the limit switch on reel, and recording reel one
The winding number of turns of the old steel wire rope in side；
Step 2) two old steel wire ropes that equalizer bar two ends are connected with a running block respectively are cut off, and remove on equalizer bar
Fixture；
Step 3) by step 2) in two fag ends cutting off connect the new steel wire rope one end and nylon rope one wound on cheese respectively
End；
Step 4) pressing plate that two old cable wire ends are fixed on reel is removed, reel is then rotated forward, until new steel wire
Rope is wound on reel with old steel wire rope contact, nylon rope and old steel wire rope contact, and new wirerope-winding reel at least
After circle, new steel wire rope is disconnected with old steel wire rope contact；
Step 5) by step 4) break the new cable wire end to be formed and be connected with the nylon rope other end, then rotate forward volume
Cylinder, until nylon rope disconnects the contact after departing from reel with old steel wire rope contact；
Step 6) reel is rotated forward, until the contact after new steel wire rope is wrapped on reel with nylon rope contact, is disconnected, and will
Disconnect the new cable wire end for being formed and reel side is fixed on a pressing plate, then proceed to rotate forward reel, until new steel wire
Rope and step 1) in record the winding number of turns it is identical after, disconnect positioned at step 3) in old steel wire rope and nylon rope contact same position
The new steel wire rope at place, forms respectively close to reel and two fag ends of running block；
Step 7) backwards rotation reel, until the new cable wire end that only overbottom pressure plate is pushed down is stayed on reel, then by step 6)
The fag end of the close reel side of middle formation is fixed on reel opposite side by another pressing plate；
Step 8) rotate forward reel, until reel both sides winding the new steel wire rope number of turns with step 1) in record winding circle
After number is identical, the new steel wire rope wound on disconnection cheese, and the fag end of formation is fixed on one end of equalizer bar by fixture,
Simultaneously by step 6) in the fag end of close running block side that formed the other end of equalizer bar is fixed on by fixture；
Step 9) the new steel wire rope changed is carried out arranging rope process, and limit switch is reinstalled on reel.
2. the method for steel rope replacing in crane according to claim 1, it is characterised in that described old steel wire
What rope interlocked is wound between fixed pulley group and running block.
3. the method for steel rope replacing in crane according to claim 1, it is characterised in that described fixture
For the steel wire rope collar or wedge joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510230149.3A CN104944282B (en) | 2015-05-07 | 2015-05-07 | A kind of method for steel rope replacing in crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510230149.3A CN104944282B (en) | 2015-05-07 | 2015-05-07 | A kind of method for steel rope replacing in crane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104944282A CN104944282A (en) | 2015-09-30 |
| CN104944282B true CN104944282B (en) | 2017-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510230149.3A Expired - Fee Related CN104944282B (en) | 2015-05-07 | 2015-05-07 | A kind of method for steel rope replacing in crane |
Country Status (1)
| Country | Link |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105699183B (en) * | 2016-03-14 | 2018-04-10 | 镇江市建科工程质量检测中心有限公司 | A kind of safety rope ultimate strength detection fixture and testing machine |
| CN106044574B (en) * | 2016-06-06 | 2017-07-07 | 山东钢铁股份有限公司 | The synchronous method for changing ladle carne gantry beam and steel wire rope |
| CN109553012B (en) * | 2017-09-27 | 2021-10-22 | 宝山钢铁股份有限公司 | Method for replacing steel wire rope of crane |
| CN109775582A (en) * | 2017-11-10 | 2019-05-21 | 上海船厂船舶有限公司 | Crane ship hoist rope draw-string method |
| CN109708611A (en) * | 2019-01-15 | 2019-05-03 | 北京城建勘测设计研究院有限责任公司 | A kind of wire clip for orientation survey |
| CN110436365B (en) * | 2019-07-26 | 2021-03-05 | 山东钢铁股份有限公司 | Method for replacing steel wire rope of crane |
| CN110540135B (en) * | 2019-08-30 | 2023-09-29 | 山东钢铁股份有限公司 | Crane steel wire rope replacement method |
| CN111824992B (en) * | 2020-06-16 | 2022-07-12 | 山东钢铁股份有限公司 | Method for replacing steel wire rope of crane |
| CN112209276A (en) * | 2020-10-26 | 2021-01-12 | 山东钢铁股份有限公司 | Device and method for replacing steel wire rope |
| CN112573371A (en) * | 2020-11-07 | 2021-03-30 | 广东韶钢工程技术有限公司 | Crown block steel wire rope replacing method |
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| JP3537233B2 (en) * | 1995-08-30 | 2004-06-14 | 株式会社小松製作所 | Apparatus and method for exchanging wire rope during jib overhang and storage |
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| CN103274323A (en) * | 2013-06-13 | 2013-09-04 | 济钢集团有限公司 | Quick replacement method for movable pulley blocks and wire ropes in cranes |
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| Publication number | Publication date |
|---|---|
| CN104944282A (en) | 2015-09-30 |
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Inventor after: Wang Guangcheng Inventor after: Liu Zhe Inventor after: Wang Yu Inventor after: Chen Yanxia Inventor after: Qi Yong Inventor after: Chen Huaigang Inventor before: Wang Guangcheng Inventor before: Liu Zhe |
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