CN110523906B - Simple turning-over method for large-sized cylinder forging - Google Patents
Simple turning-over method for large-sized cylinder forging Download PDFInfo
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- CN110523906B CN110523906B CN201910949171.1A CN201910949171A CN110523906B CN 110523906 B CN110523906 B CN 110523906B CN 201910949171 A CN201910949171 A CN 201910949171A CN 110523906 B CN110523906 B CN 110523906B
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- 238000000034 method Methods 0.000 title claims abstract description 40
- 238000005242 forging Methods 0.000 title claims abstract description 36
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 16
- 238000003466 welding Methods 0.000 abstract description 8
- 230000007306 turnover Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/08—Accessories for handling work or tools
- B21J13/10—Manipulators
- B21J13/12—Turning means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The invention relates to the technical field of forge piece carrying, and discloses a simple turning-over method of a large-scale cylinder forge piece, which comprises the following steps: the method comprises the following steps: hoisting; step two: turning over at 90 degrees; step three: rotating for 180 degrees; step four: and (4) falling to the ground, and stopping the whole device after the cylinder body is contacted with the ground, so that the cylinder body finishes the turnover operation. The invention is suitable for a simple turning-over method of a large-scale cylinder forging, and the turning-over operation method of the large-scale cylinder forging is simply realized by utilizing a small amount of production resources. Through the implementation of the method, complicated special equipment or welding lifting lugs are not required to be specially designed and manufactured for the cylinder body turning operation, the production cost is reduced, and the risk of the cylinder body turning operation is effectively controlled.
Description
Technical Field
The invention relates to the technical field of forge piece carrying, in particular to a simple turning-over method of a large-scale cylinder forge piece.
Background
With the rapid development of the national equipment manufacturing industry and the energy industry, the demand of large-scale cylinder forgings is continuously rising, the manufacturing requirements are higher and higher, the large-scale and heavy-duty development is gradually carried out, and the delivery weight of a plurality of large-scale cylinder forgings reaches hundreds of tons at present.
The mechanical processing is an important process in the production and manufacturing process of large-scale cylinder forgings, the surfaces of the cylinders have processing requirements, and the cylinder forgings inevitably need to be turned over (namely turned around up and down). The surface of the cylinder is smooth and has no lifting point, and according to the conventional turning-over method, a plurality of auxiliary lifting lugs for turning over are required to be welded on a cylinder forging, and the turning-over operation is carried out by matching with lifting rigging such as a travelling crane and a steel wire rope. The welding lug not only increases manufacturing cost, extension manufacturing cycle, still can increase the risk that produces welding quality defect, influences the barrel quality. For an ultra-large cylinder forging piece, if the welding lifting lug is improperly selected or the welding quality is not over-limited, the lifting lug is easy to cause product quality and safety accidents once the lifting lug fails during turning-over operation. And the quality requirement of large forging products used in nuclear power stations and other occasions is more strict, and a manufacturer is not allowed to carry out private welding operation.
Aiming at the situation, a large amount of manpower and material resources are invested in various domestic large-scale barrel forging manufacturing plants and related complete equipment manufacturing units to carry out design research and development of corresponding turning-over technology, and the main solution is to independently design and manufacture or purchase expensive special turning-over equipment, but the problems of high manufacturing cost, low operating efficiency and the like cannot be comprehensively popularized in the industry.
Disclosure of Invention
The invention provides a simple turning-over method of a large-scale cylinder forging, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a simple turning-over method for a large-sized cylinder forging comprises the following steps:
the method comprises the following steps: hoisting, wherein the left side and the right side of the cylinder respectively penetrate through the steel wire ropes, the top ends of the steel wire ropes are fixed on a left hook and a right hook on the left side and the right side of the travelling crane, the left hook and the right hook are lifted simultaneously, and the cylinder is suspended and hoisted;
step two: turning over at 90 degrees, descending the right hook, rotating the barrel to the right, separating the right hook from the barrel and descending the left hook after the right hook completely releases force, starting the traveling crane to move to the right after the bottom of the barrel is contacted with the ground, and contacting the right side wall of the barrel with the ground;
step three: the rotation is 180 degrees, the steel wire rope at the lower part of the left hook is adjusted, so that the left hook is positioned in the middle of the steel wire rope, the left hook is lifted, and after the barrel is hung in the air, the barrel is pushed to horizontally rotate 180 degrees;
step four: fall to the ground, pass the lower part lateral wall of barrel with wire rope to be connected wire rope's tip and right side couple, the right side couple of lifting this moment, the right side of barrel is raised, when the barrel rotated horizontal position, descends left side couple and right side couple simultaneously, makes the barrel move down, after the barrel contacted with ground, stops whole device, and the operation is stood up in the barrel completion.
As a preferable technical scheme of the invention, a stainless steel gasket is arranged at the contact part of the steel wire rope and the cylinder body.
As a preferable technical scheme of the invention, the left side hook and the right side hook are respectively provided with an independent power driving unit.
As a preferable technical scheme of the present invention, in the step one, the height of the suspended cylinder after being suspended and lifted is greater than the overturning height of the cylinder.
As a preferred technical scheme of the invention, in the second step, the right hook is separated from the cylinder body in a manual operation mode.
As a preferred technical scheme of the invention, in the third step, the barrel body is horizontally rotated by 180 degrees in a mode of manually pushing the barrel body.
As a preferred technical scheme of the invention, the travelling crane can be independently fixed with a crane.
The invention has the following advantages:
the invention is suitable for a simple turning-over method of a large-scale cylinder forging, and the turning-over operation method of the large-scale cylinder forging is simply realized by utilizing a small amount of production resources. Through the implementation of the method, complicated special equipment or welding lifting lugs are not required to be specially designed and manufactured for the cylinder body turning operation, the production cost is reduced, and the risk of the cylinder body turning operation is effectively controlled.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of a cylinder in a simple turning-over method of a large cylinder forging.
FIG. 2 is a schematic diagram of a cylinder body being lifted in a simple turning-over method of a large cylinder forging.
FIG. 3 is a schematic diagram of the lowering of a right side hook in a simple turning-over method of a large cylinder forging.
FIG. 4 is a schematic view of the right side view of the cylinder in the method for turning over the large cylinder forging.
FIG. 5 is a schematic view of the contact between the right side wall of the cylinder and the ground in the simple turnover method of the large cylinder forging.
FIG. 6 is a schematic diagram showing the separation of a right hook from a cylinder in a simple turning-over method of a large cylinder forging.
FIG. 7 is a schematic view of a 180-degree rotation of a cylinder in a simple turning-over method of a large cylinder forging.
FIG. 8 is a schematic diagram of a method for easily turning over a large cylinder forging in which a right side hook is reconnected with a wire rope.
FIG. 9 is a schematic diagram of a structure of a right hook ascending in a simple turning-over method of a large cylinder forging.
FIG. 10 is a schematic view of a barrel turnover structure in a simple turnover method for a large-sized barrel forging.
In the figure: 1. driving a vehicle; 2. a left side hook; 3. a right hook; 4. a wire rope; 5. a barrel; 6. and (4) the ground.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1-10, a simple turning method for a large cylinder forging includes the following steps:
the method comprises the following steps: hoisting, wherein the left side and the right side of the cylinder body respectively penetrate through a steel wire rope, a stainless steel gasket is arranged at the contact part of the steel wire rope and the cylinder body, the top end of the steel wire rope is fixed on a left hook and a right hook at the left side and the right side of the travelling crane, the left hook and the right hook are respectively provided with an independent power driving unit, and the driving units are formed by a motor and a winding device, so that the two hooks at the left side and the right side can rise or fall without interference, the hooks on the left hook and the right hook rise simultaneously, the cylinder body is hoisted in a suspended manner, the height of the cylinder body after being hoisted in the suspended manner is greater than the overturning height of;
step two: the right side hook is turned over by 90 degrees, the right side hook is descended, the barrel body rotates towards the right side, after the right side hook is completely relieved of force, the right side hook is separated from the barrel body in a manual operation mode, the left side hook descends, the barrel body synchronously and stably descends in the descending process, after the bottom of the barrel body is contacted with the ground, the traveling crane is started to move towards the right side, and the right side wall of the barrel body is contacted with the ground;
step three: the cylinder body is rotated for 180 degrees, the steel wire rope at the lower part of the left hook is adjusted, so that the left hook is positioned in the middle of the steel wire rope, the left hook is lifted, after the cylinder body is suspended, the cylinder body is pushed to rotate for 180 degrees horizontally, and the cylinder body is rotated for 180 degrees horizontally in a mode of pushing the cylinder body manually;
step four: fall to the ground, pass the lower part lateral wall of barrel with wire rope to be connected wire rope's tip and right side couple, the right side couple of lifting this moment, the right side of barrel is raised, when the barrel rotated horizontal position, descends the couple of the left and right sides simultaneously, makes the barrel move down, after the barrel contacted with ground, stops whole device, and the barrel accomplishes and stands up the operation.
Example two
The other contents of this embodiment are the same as those of the first embodiment, except that: the travelling crane can be independently fixed with the crane. Because some workshops or construction sites do not have fixed travelling cranes, the travelling cranes can be hung in the crane, so that the travelling cranes move left and right through the crane, the whole turning-over action is realized, and the limitation of sites is avoided.
The invention is suitable for a simple turning-over method of a large-scale cylinder forging, and the turning-over operation method of the large-scale cylinder forging is simply realized by utilizing a small amount of production resources. Through the implementation of the method, complicated special equipment or welding lifting lugs are not required to be specially designed and manufactured for the cylinder body turning operation, the production cost is reduced, and the risk of the cylinder body turning operation is effectively controlled.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. A simple turning-over method for a large-sized cylinder forging is characterized by comprising the following steps:
the method comprises the following steps: hoisting, wherein the left side and the right side of the cylinder respectively penetrate through the steel wire ropes, the top ends of the steel wire ropes are fixed on a left hook and a right hook on the left side and the right side of the travelling crane, the left hook and the right hook are lifted simultaneously, and the cylinder is suspended and hoisted;
step two: turning over at 90 degrees, descending the right hook, rotating the barrel to the right, separating the right hook from the barrel and descending the left hook after the right hook completely releases force, starting the traveling crane to move to the right after the bottom of the barrel is contacted with the ground, and contacting the right side wall of the barrel with the ground;
step three: the rotation is 180 degrees, the steel wire rope at the lower part of the left hook is adjusted, so that the left hook is positioned in the middle of the steel wire rope, the left hook is lifted, and after the barrel is hung in the air, the barrel is pushed to horizontally rotate 180 degrees;
step four: fall to the ground, pass the lower part lateral wall of barrel with wire rope to be connected wire rope's tip and right side couple, the right side couple of lifting this moment, the right side of barrel is raised, when the barrel rotated horizontal position, descends left side couple and right side couple simultaneously, makes the barrel move down, after the barrel contacted with ground, stops whole device, and the operation is stood up in the barrel completion.
2. The convenient turning-over method of the large-sized cylinder forging piece according to claim 1, wherein a stainless steel gasket is arranged at the contact part of the steel wire rope and the cylinder.
3. The convenient turning-over method of the large-sized cylinder forging piece according to claim 1, wherein the left side hook and the right side hook are respectively provided with an independent power driving unit.
4. The convenient turning-over method of the large-sized cylinder forging according to claim 1, wherein in the first step, the height of the cylinder after being suspended and lifted is larger than the turning-over height of the cylinder.
5. The convenient turning-over method of the large-sized cylinder forging according to claim 1 or 3, characterized in that in the second step, the right-side hook is separated from the cylinder in a manual operation mode.
6. The method for easily turning over the large-sized cylinder forging according to claim 1 or 4, wherein in the third step, the cylinder is horizontally rotated by 180 degrees in a mode of manually pushing the cylinder.
7. The convenient turning-over method for the large-size cylinder forging according to claim 1, wherein the travelling crane can be independently fixed with a crane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910949171.1A CN110523906B (en) | 2019-10-08 | 2019-10-08 | Simple turning-over method for large-sized cylinder forging |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910949171.1A CN110523906B (en) | 2019-10-08 | 2019-10-08 | Simple turning-over method for large-sized cylinder forging |
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| CN110523906A CN110523906A (en) | 2019-12-03 |
| CN110523906B true CN110523906B (en) | 2021-01-05 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116477455A (en) * | 2023-05-15 | 2023-07-25 | 山东宝鼎重工实业有限公司 | Vertical overturning device and method for heavy barrel parts |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103072899B (en) * | 2013-01-06 | 2014-12-10 | 中国海洋石油总公司 | Hoisting technology for ultra-large type cylinder block |
| CN103449301B (en) * | 2013-09-22 | 2015-02-11 | 中石化南京工程有限公司 | Overturning and lifting method for major-diameter superheavy end socket |
| CN104743444B (en) * | 2015-03-10 | 2017-01-18 | 鞍钢重型机械有限责任公司 | Laterally turning method of large panel framework type workpiece |
| KR101834118B1 (en) * | 2017-04-26 | 2018-02-28 | 이종윤 | Jig device for mold inserts |
| CN207593154U (en) * | 2017-11-27 | 2018-07-10 | 江苏神山风电设备制造有限公司 | A kind of wind power foundation ring is turned over connection lifting lug |
| CN108249315A (en) * | 2018-03-26 | 2018-07-06 | 上海和平发展起重设备厂有限公司 | Intelligent remote controls full-automatic subway work vertical transport system |
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