CN112357777A - Method for quickly replacing steel rope of hook beam of gantry crane - Google Patents
Method for quickly replacing steel rope of hook beam of gantry crane Download PDFInfo
- Publication number
- CN112357777A CN112357777A CN202011246256.2A CN202011246256A CN112357777A CN 112357777 A CN112357777 A CN 112357777A CN 202011246256 A CN202011246256 A CN 202011246256A CN 112357777 A CN112357777 A CN 112357777A
- Authority
- CN
- China
- Prior art keywords
- rope
- steel
- winding drum
- steel 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.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 146
- 239000010959 steel Substances 0.000 title claims abstract description 146
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000004804 winding Methods 0.000 claims abstract description 54
- 238000003825 pressing Methods 0.000 claims abstract description 12
- 238000005520 cutting process Methods 0.000 claims abstract description 7
- 238000003466 welding Methods 0.000 claims abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C19/00—Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
- B66D1/30—Rope, cable, or chain drums or barrels
- B66D1/34—Attachment of ropes or cables to drums or barrels
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
A method for quickly replacing a steel rope of a hook beam of a gantry crane comprises the following steps: horizontally placing the gantry hook beam to the ground to enable the steel rope to be in a loose state; removing a steel rope pressing plate bolt on one side of the winding drum, and tying the rope head to the ground; cutting off a section of the head of the old steel rope tied to the ground, and welding the rope head of the new steel rope with the rope head of the old steel rope on the winding drum; all new steel ropes are pulled into the movable pulley block and the fixed pulley block, and 3-5 circles of new steel ropes are wound on the other side of the winding drum; hoisting the new steel rope at the rope outlet, descending the winding drum, and cutting off the joints of the new and old steel ropes; rotating the winding drum to descend, tying all the old steel ropes to the ground, and detaching the steel rope pressing plate bolt on the other side of the winding drum; and respectively installing two rope ends of the new steel rope on the steel rope pressing plate bolts at two sides of the winding drum. The invention saves manpower and improves the automation level of crane maintenance. The steel ropes can be updated simultaneously, and the maintenance operation speed is high. The connection of the new and old steel ropes is reliable.
Description
Technical Field
The invention belongs to the field of common bridge cranes, and particularly relates to a method for quickly replacing a steel rope of a hook beam of a gantry crane.
Background
The main hoisting and the auxiliary hoisting of 2 double 35t automatic rotary feeding cranes of a converter of a branch plant of a steel-making main plant are respectively provided with 2 groups of synchronous rotary drums, 1 steel rope is respectively arranged on 4 groups of drums, a 4-multiplying-power movable pulley block is adopted on a hook beam, a fixed sliding group is 3 pieces, the diameter phi of the steel rope is 16mm, the length is 220m, and the service cycle of the steel rope is 6 months. When the steel rope is replaced, the old steel rope is cut and pulled out, the rope head of the new steel rope is threaded through the movable pulley, the rope head is pulled to the fixed pulley with the height of 25m by manpower, the process is repeated, and finally the rope head 2 is fixed on the winding drum. After the 1 group is worn out, the next 1 group is sequentially replaced point by point, and the process needs to be repeated for 4 times. The procedure of manual steel rope replacement is complicated, the steel rope winding mode is easy to make mistakes, the operation time is long, and the efficiency is low.
Disclosure of Invention
The invention aims to provide a method for quickly replacing a steel rope of a hook beam of a gantry crane, which can accurately and efficiently update 4 steel ropes simultaneously, adopts electric drive to replace manual traction, greatly improves the efficiency of steel rope replacement operation, saves manpower and creates favorable conditions for production.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method for quickly replacing a steel rope of a hook beam of a gantry crane comprises the following steps:
1) horizontally placing the gantry hook beam to the ground to enable the steel rope to be in a loose and unstressed state;
2) after a steel rope pressing plate bolt on one side of the winding drum is removed, a rope head of a steel rope on the side is tied to the ground;
3) cutting off a section of the head of the old steel rope tied to the ground, drawing out the rope head of the new steel rope in the steel rope roller, and welding the rope head of the new steel rope with the rope head of the old steel rope going from the winding drum;
4) rotating the winding drum, completely dragging the new steel rope into the movable pulley block and the fixed pulley block, stopping rotating after the new steel rope is wound into the other side of the winding drum for 3-5 circles, and then completely winding the old steel rope onto the winding drum;
5) hoisting a new steel rope at a rope outlet hole below the winding drum, descending the winding drum, cutting off joints of the new and old steel ropes, and taking the new steel rope out of the winding drum;
6) rotating the winding drum to descend, tying all the old steel cables to the ground, then removing the steel cable pressure plate bolt on the other side of the winding drum, and detaching the other end of the old steel cables from the winding drum;
7) and respectively installing two rope ends of the new steel rope on the steel rope pressing plate bolts at two sides of the winding drum.
A method for rapidly replacing a steel cable of a gantry crane hook beam as claimed in claim 1, wherein the head of the old steel cable tied to the ground is cut off by 10-20m in the step 3).
In the step 5), after taking out the new steel rope from the reel, descending the reel to ensure that all the old steel ropes on the reel descend to the ground; connecting the rope head of the other end of the new steel rope in the steel rope roller with the rope head of the old steel rope to lift the winding drum, simultaneously drawing the rope head of the new steel rope to the vicinity of the winding drum, and stopping; after the lifting ropes are respectively tied, the rope ends of the new and old steel ropes are separated.
The descending height of the reel in the step 5) is 500-600 mm.
And 5) hoisting a new steel rope at the rope outlet hole below the winding drum by using a hoisting rope with a U-shaped snap ring at the bottom.
Compared with the prior art, the invention has the beneficial effects that:
1) the electric drive is adopted to replace a manual traction steel rope, so that the labor is saved, and the automatic maintenance level of the crane is improved.
2)4 steel ropes can be updated simultaneously, and the maintenance operation speed is high.
3) The connection of the new steel rope and the old steel rope is reliable, and the new steel rope can not be reversely or wrongly inserted into the pulley groove by using the old rope with the new rope in the replacement process.
Drawings
FIG. 1 is a schematic view of a four-point twin gantry hook beam according to an embodiment of the present invention.
Fig. 2 is a side view of fig. 1.
FIG. 3 is a schematic view of the connection of the gantry hook beam with the fixed pulley block, the movable pulley block and the winding drum through steel ropes.
Fig. 4 is a schematic view of the connection of new and old steel cords during the process of changing the steel cords.
In the figure: 1-steel rope pressing plate bolt, 2-old steel rope, 3-movable pulley block, 4-fixed pulley block and 5-new steel rope.
Detailed Description
The following examples are provided to further illustrate the embodiments of the present invention:
the embodiment of the invention is a method for quickly replacing a steel rope of a four-point duplex gantry hook beam, which is shown in the figures 1-4 and comprises the following steps:
1) horizontally placing the four-point duplex gantry hook beam to the ground to enable the steel rope to be in a loose and unstressed state;
after the four-point duplex gantry lifting hook beam is placed on the ground, the rope outlet hole of the 4-point movable pulley block is kept in a horizontal state, automatic in and out is facilitated, scraping and grinding are not needed, the hook beam is stable, and the instability problem caused by external force is avoided.
2) And (4) removing the steel rope pressing plate bolts 1 on one side of the 4 groups of winding drums, and tying the rope ends of the steel ropes on the side to the ground.
3) The head of the old steel rope 2 tied to the ground is cut off by gas welding, the head of the new steel rope 5 in the steel rope roller is drawn out, and the heads of the 4 new steel ropes 5 are welded with the heads of the 4 old steel ropes 2 which are wound on the reel (as shown in fig. 4).
4) And rotating the winding drum, completely dragging 4 new steel ropes 5 into the movable pulley block 3 and the fixed pulley block 4, stopping rotating after the new steel ropes 5 are wound into the other side of the winding drum for 3-5 circles, and completely winding the old steel ropes 2 onto the winding drum at the moment.
5) Respectively hoisting the new steel ropes 5 at the rope outlet holes below the 4 reels, descending the reels, cutting the joints of the new and old steel ropes by using gas welding, taking the new steel ropes 5 out of the reels, and reeling.
6) And rotating the winding drum to descend, tying all the old steel cables 2 to the ground, then removing the steel cable press plate bolt 1 on the other side of the winding drum, and removing the other ends of the old steel cables 2 from the winding drum.
7) Two ends of 4 new steel ropes 5 are respectively arranged on the steel rope pressing plate bolts 1 at two sides of the winding drum.
The head of the old steel rope 2 tied to the ground is cut off by 10-20m in the step 3).
In the step 5), after taking out the new steel rope from the reel, descending the reel to enable all 4 old steel ropes on the reel to descend to the ground, and reeling the old steel ropes; connecting the rope head of the other end of the new steel rope in the steel rope roller with the rope head of the old steel rope to lift the winding drum, simultaneously drawing the rope heads of the 4 new steel ropes to the vicinity of the winding drum, and stopping; after the lifting ropes are respectively tied, the rope ends of the new and old steel ropes are separated.
The descending height of the reel in the step 5) is 500-600 mm.
And 5) hoisting the new steel rope at the rope outlet below the winding drum by adopting 4 groups of hoisting ropes with U-shaped clamp rings at the bottoms.
The steel rope pressing plate bolt 1 is sunk into the winding drum and partially fixed, and when the rope head is disassembled, only the nut is unscrewed. After the new steel rope is installed, the fixing reliability cannot be reduced.
The adjacent steel ropes adopt steel ropes with different rotating directions, so that the internal force of the steel ropes can be eliminated, and the hanger is prevented from rotating and exerting strength.
The original length of 4 steel ropes has the condition of length difference, and after the steel ropes are changed on site, the height between the centers of the 4 plate hooks and the ground is deviated. Before each steel rope fixes the 2 nd rope head, all 4 steel ropes are lifted to ensure that the heights of all points are equal to the ground, the rope heads with the same length are reserved after the steel ropes are fixed on a drum pressing plate, after a lifting appliance is lifted, a lifting hook beam is automatically in a horizontal state, the heights of the centers of 4 plate hooks are equal, and the lengths of the 4 steel ropes can be adjusted on site by the method to ensure that the lengths of the 4 steel ropes are equal and the lengths are the same without additionally adjusting the steel ropes.
Claims (5)
1. A method for quickly replacing a steel rope of a gantry crane hook beam is characterized by comprising the following steps:
1) horizontally placing the gantry hook beam to the ground to enable the steel rope to be in a loose and unstressed state;
2) after a steel rope pressing plate bolt on one side of the winding drum is removed, a rope head of a steel rope on the side is tied to the ground;
3) cutting off a section of the head of the old steel rope tied to the ground, drawing out the rope head of the new steel rope in the steel rope roller, and welding the rope head of the new steel rope with the rope head of the old steel rope going from the winding drum;
4) rotating the winding drum, completely dragging the new steel rope into the movable pulley block and the fixed pulley block, stopping rotating after the new steel rope is wound into the other side of the winding drum for 3-5 circles, and then completely winding the old steel rope onto the winding drum;
5) hoisting a new steel rope at a rope outlet hole below the winding drum, descending the winding drum, cutting off joints of the new and old steel ropes, and taking the new steel rope out of the winding drum;
6) rotating the winding drum to descend, tying all the old steel cables to the ground, then removing the steel cable pressure plate bolt on the other side of the winding drum, and detaching the other end of the old steel cables from the winding drum;
7) and respectively installing two rope ends of the new steel rope on the steel rope pressing plate bolts at two sides of the winding drum.
2. A method for rapidly replacing a steel cable of a gantry crane hook beam as claimed in claim 1, wherein the head of the old steel cable tied to the ground is cut off by 10-20m in the step 3).
3. A method for rapidly replacing a steel cable of a gantry crane hook beam as claimed in claim 1, wherein in said step 5), after taking out the new steel cable from the reel, the reel is lowered to make all the old steel cable on the reel fall to the ground; connecting the rope head of the other end of the new steel rope in the steel rope roller with the rope head of the old steel rope to lift the winding drum, simultaneously drawing the rope head of the new steel rope to the vicinity of the winding drum, and stopping; after the lifting ropes are respectively tied, the rope ends of the new and old steel ropes are separated.
4. The method as claimed in claim 1, wherein the lowering height of the reel in step 5) is 500-600 mm.
5. A method for rapidly replacing a steel cable of a gantry crane hook beam as claimed in claim 1, wherein said step 5) is performed by hoisting a new steel cable at a cable exit hole below the drum by using a hoisting rope with a U-shaped clasp at the bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011246256.2A CN112357777A (en) | 2020-11-10 | 2020-11-10 | Method for quickly replacing steel rope of hook beam of gantry crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011246256.2A CN112357777A (en) | 2020-11-10 | 2020-11-10 | Method for quickly replacing steel rope of hook beam of gantry crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112357777A true CN112357777A (en) | 2021-02-12 |
Family
ID=74509191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011246256.2A Pending CN112357777A (en) | 2020-11-10 | 2020-11-10 | Method for quickly replacing steel rope of hook beam of gantry crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112357777A (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1318507A (en) * | 2001-05-25 | 2001-10-24 | 太原重型机械(集团)有限公司 | Lift mechanism for crane and its steel cable winding method |
| JP2007137557A (en) * | 2005-11-16 | 2007-06-07 | Mitsubishi Heavy Ind Ltd | Rope exchange method and crane |
| CN101607676A (en) * | 2009-07-10 | 2009-12-23 | 大连华锐股份有限公司 | Multi-suspension-centres crane |
| CN101700858A (en) * | 2008-12-29 | 2010-05-05 | 攀枝花钢城集团瑞钢工业有限公司 | Wound steel rope replacing method |
| CN101712443A (en) * | 2009-12-22 | 2010-05-26 | 舞阳钢铁有限责任公司 | Quick replacement method of steel cables of crane |
| CN102030270A (en) * | 2009-09-24 | 2011-04-27 | 鞍山钢铁集团公司 | Auxiliary tool and method for replacing wire rope of bridge crane |
| 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 |
| CN103569865A (en) * | 2012-08-02 | 2014-02-12 | 西林钢铁集团有限公司 | Method for synchronously and quickly replacing plurality of steel wire ropes of gantry crane of ladle crane |
| CN103588092A (en) * | 2013-11-28 | 2014-02-19 | 莱芜钢铁集团有限公司 | Auxiliary device and method for replacing steel wire rope |
| CN105800490A (en) * | 2016-06-06 | 2016-07-27 | 山东钢铁股份有限公司 | Method for replacing crane main hook steel wire rope |
| CN106044574A (en) * | 2016-06-06 | 2016-10-26 | 山东钢铁股份有限公司 | Method for synchronously replacing gantry beam and steel wire ropes of ladle crane |
| CN106744322A (en) * | 2016-12-15 | 2017-05-31 | 中国矿业大学 | A kind of device and method for measuring hanging scaffold rotational angle |
| CN109553012A (en) * | 2017-09-27 | 2019-04-02 | 宝山钢铁股份有限公司 | A kind of replacing options of crane rope |
| CN110255376A (en) * | 2019-05-29 | 2019-09-20 | 邯郸钢铁集团有限责任公司 | A method of replacement metallurgical bridge crane wirerope |
| CN110540135A (en) * | 2019-08-30 | 2019-12-06 | 山东钢铁股份有限公司 | Method for replacing steel wire rope of crane |
-
2020
- 2020-11-10 CN CN202011246256.2A patent/CN112357777A/en active Pending
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1318507A (en) * | 2001-05-25 | 2001-10-24 | 太原重型机械(集团)有限公司 | Lift mechanism for crane and its steel cable winding method |
| JP2007137557A (en) * | 2005-11-16 | 2007-06-07 | Mitsubishi Heavy Ind Ltd | Rope exchange method and crane |
| CN101700858A (en) * | 2008-12-29 | 2010-05-05 | 攀枝花钢城集团瑞钢工业有限公司 | Wound steel rope replacing method |
| CN101607676A (en) * | 2009-07-10 | 2009-12-23 | 大连华锐股份有限公司 | Multi-suspension-centres crane |
| CN102030270A (en) * | 2009-09-24 | 2011-04-27 | 鞍山钢铁集团公司 | Auxiliary tool and method for replacing wire rope of bridge crane |
| CN101712443A (en) * | 2009-12-22 | 2010-05-26 | 舞阳钢铁有限责任公司 | Quick replacement method of steel cables of crane |
| CN103569865A (en) * | 2012-08-02 | 2014-02-12 | 西林钢铁集团有限公司 | Method for synchronously and quickly replacing plurality of steel wire ropes of gantry crane of ladle crane |
| 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 |
| CN103588092A (en) * | 2013-11-28 | 2014-02-19 | 莱芜钢铁集团有限公司 | Auxiliary device and method for replacing steel wire rope |
| CN105800490A (en) * | 2016-06-06 | 2016-07-27 | 山东钢铁股份有限公司 | Method for replacing crane main hook steel wire rope |
| CN106044574A (en) * | 2016-06-06 | 2016-10-26 | 山东钢铁股份有限公司 | Method for synchronously replacing gantry beam and steel wire ropes of ladle crane |
| CN106744322A (en) * | 2016-12-15 | 2017-05-31 | 中国矿业大学 | A kind of device and method for measuring hanging scaffold rotational angle |
| CN109553012A (en) * | 2017-09-27 | 2019-04-02 | 宝山钢铁股份有限公司 | A kind of replacing options of crane rope |
| CN110255376A (en) * | 2019-05-29 | 2019-09-20 | 邯郸钢铁集团有限责任公司 | A method of replacement metallurgical bridge crane wirerope |
| CN110540135A (en) * | 2019-08-30 | 2019-12-06 | 山东钢铁股份有限公司 | Method for replacing steel wire rope of crane |
Non-Patent Citations (1)
| Title |
|---|
| 张守旗等: "行车钢丝绳快速更换法", 《科技信息》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109553012B (en) | Method for replacing steel wire rope of crane | |
| CN110255376B (en) | Method for replacing steel wire rope of metallurgical bridge crane | |
| CN103274323B (en) | A kind of crane pulley group and steel wire rope quick-replaceable method | |
| CN104828696B (en) | A kind of method for running block in bridge crane and steel rope replacing | |
| CN102009917B (en) | Method for replacing steel wire rope and gantry hook of large-scale bridge crane simultaneously | |
| CN110444348A (en) | A kind of automatic upper lower burrs device in fluid pressure type bottom | |
| CN108190742A (en) | A kind of operating method for replacing lifting equipment steel wire rope | |
| CN106044574B (en) | The synchronous method for changing ladle carne gantry beam and steel wire rope | |
| CN110294427B (en) | Method for replacing steel wire rope of main hoisting system of large tower crane | |
| CN210103322U (en) | Self-driven urban underground prefabricated comprehensive pipe gallery laying and hoisting machine | |
| CN213171204U (en) | Construction equipment hoisting device | |
| CN103708371B (en) | The Huan Sheng mechanism that rope drives | |
| CN113387272A (en) | Method for replacing steel wire rope of bridge crane | |
| CN112357777A (en) | Method for quickly replacing steel rope of hook beam of gantry crane | |
| CN112249876A (en) | Mounting platform and mounting method for large-tonnage precast tubular pile | |
| CN203612868U (en) | Cable-driven rope exchange mechanism | |
| CN217555687U (en) | Hoisting accessory is changed to cladding material workshop electric block part | |
| CN217126776U (en) | Belt replacing device of belt conveyor for conveying raw coal above silo | |
| CN110271960A (en) | For rane trolley wirerope and the replacing options of suspension hook wheel group | |
| CN111960184A (en) | Replacement structure and replacement method for single steel wire rope of metallurgical crane | |
| CN219688959U (en) | Steel wire rope winding device | |
| CN220502521U (en) | Rope-changing traction device of gantry crane | |
| CN219408854U (en) | Electric power construction cable hangs hoist device | |
| CN114772424B (en) | Rope collecting method for old steel wire rope in elevator steel wire rope replacement process | |
| CN219929463U (en) | Complex working condition equipment disassembling and transporting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210212 |