CN111517207A - Combined lifting appliance - Google Patents
Combined lifting appliance Download PDFInfo
- Publication number
- CN111517207A CN111517207A CN202010247976.4A CN202010247976A CN111517207A CN 111517207 A CN111517207 A CN 111517207A CN 202010247976 A CN202010247976 A CN 202010247976A CN 111517207 A CN111517207 A CN 111517207A
- Authority
- CN
- China
- Prior art keywords
- tundish
- auxiliary
- main beam
- hook
- lifting
- 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
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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
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
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- 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
- B66C13/06—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C17/00—Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports
- B66C17/06—Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports specially adapted for particular purposes, e.g. in foundries, forges; combined with auxiliary apparatus serving particular purposes
- B66C17/10—Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports specially adapted for particular purposes, e.g. in foundries, forges; combined with auxiliary apparatus serving particular purposes for transporting ladles
Abstract
The invention discloses a combined lifting appliance, which comprises a pulley block, a main beam, an auxiliary beam, a tundish lifting hook and an auxiliary hook, wherein the pulley block is arranged on the main beam; the pulley block is connected with the main beam above the main beam and used for adjusting the height of the main beam; the auxiliary beam is positioned below the main beam and is detachably connected with the main beam; the tundish lifting hook is connected with the auxiliary beam below the auxiliary beam and used for hooking a trunnion of a target tundish; the auxiliary hook is connected to the main beam and penetrates through a middle hole in the auxiliary beam and is used for hoisting the target tundish. Because the tundish lifting hook is connected to the auxiliary beam stably connected with the main beam, the stability is better in the process of lifting the tundish, the risk of spilling high-temperature molten steel in the tundish is obviously reduced, and the potential safety hazard of tundish lifting in the existing steel plant is eliminated.
Description
Technical Field
The invention relates to the technical field of steel making, in particular to a combined lifting appliance.
Background
The tundish is a refractory container used in short-flow steelmaking, receives molten steel poured from a ladle in the steelmaking process, and distributes the molten steel to each crystallizer from a tundish nozzle in the steelmaking process. Wherein, transfer through the hoist in the middle package transfer process, and at steel mill, current hoist all hangs rings through overhead traveling crane list hook, and four board hooks hang and carry out the handling on the middle package trunnion, have great potential safety hazard.
Disclosure of Invention
The embodiment of the application provides a tundish combined lifting appliance, and solves the technical problem of great potential safety hazard in the process of lifting a tundish by using an existing lifting appliance.
On one hand, the present application provides the following technical solutions through an embodiment of the present application:
a combined lifting appliance comprises a pulley block, a main beam, an auxiliary beam, a tundish lifting hook and an auxiliary hook; the pulley block is connected with the main beam above the main beam and used for adjusting the height of the main beam;
the auxiliary beam is positioned below the main beam and is detachably connected with the main beam;
the tundish lifting hook is connected with the auxiliary beam below the auxiliary beam and used for hooking a trunnion of a target tundish;
the auxiliary hook is connected to the main beam and penetrates through a middle hole in the auxiliary beam and is used for hoisting the target tundish.
Optionally, the pulley block includes two sets of, two sets of the pulley block is connected respectively the both ends of girder.
Optionally, the secondary beam is a rectangular metal plate, and two ends of the short side of the secondary beam are detachably connected with two ends of the main beam.
Optionally, the tundish lifting hook comprises four tundish lifting hooks which are connected to the secondary beam in a rectangular array.
Optionally, the tundish lifting hook is fixedly connected to the secondary beam through a pin shaft, a baffle and a bolt.
Optionally, the auxiliary hook is connected in the middle of the main beam.
Optionally, the auxiliary hook is fixedly connected to the main beam through a pin shaft, a baffle plate and a bolt.
Optionally, the secondary beam is detachably connected to the main beam through a quick-change pin.
Optionally, the quick-change pin is a screw thread rotary plugging structure.
In another aspect, the present application provides a hoisting method according to another embodiment of the present application, including:
hooking a trunnion of a target tundish by using a tundish lifting hook in the lifting appliance, and completing the lifting of the target tundish;
and detaching the auxiliary beam from the main beam, and hoisting the target tundish by using the auxiliary hook.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
the combined lifting appliance in one or more embodiments of the invention comprises a pulley block, a main beam, a secondary beam, a tundish lifting hook and a secondary hook; the pulley block is connected with the main beam above the main beam and used for adjusting the height of the main beam; the auxiliary beam is positioned below the main beam and is detachably connected with the main beam; the tundish lifting hook is connected with the auxiliary beam below the auxiliary beam and used for hooking a trunnion of a target tundish; the auxiliary hook is connected to the main beam and penetrates through a middle hole in the auxiliary beam and is used for hoisting the target tundish. Because the auxiliary beam stably connected with the main beam is connected with the tundish lifting hook, the stability is better in the process of lifting the tundish, the risk of spilling high-temperature molten steel in the tundish is obviously reduced, and the potential safety hazard of lifting the tundish in the existing steel plant is eliminated; meanwhile, the combined lifting appliance keeps the auxiliary hook on the main beam, and the auxiliary beam is detachably connected with the main beam, so that other materials can be conveniently lifted by detaching the auxiliary beam and the lifting hook of the tundish after the tundish is lifted, the multipurpose is realized, and the lifting efficiency of the combined lifting appliance is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
Fig. 1 is a schematic illustration of the lifting of a modular spreader in an embodiment of the invention;
fig. 2 is a side view of a modular spreader in one embodiment of the invention;
FIG. 3 is a flow chart of a hoisting method in one embodiment of the present invention;
in the figure: 1-main beam, 2-auxiliary beam, 3-pulley block, 4-quick change pin, 5-auxiliary hook, 6-tundish hook and 7-target tundish.
Detailed Description
The embodiment of the application provides a combination hoist, has solved the technical problem that has great potential safety hazard when package in the middle of the current hoist handling.
In order to solve the technical problems, the general idea of the embodiment of the application is as follows:
a combined lifting appliance comprises a pulley block 3, a main beam 1, an auxiliary beam 2, a tundish lifting hook 6 and an auxiliary hook 5; the pulley block 3 is connected with the main beam 1 above the main beam 1 and used for adjusting the height of the main beam 1; the auxiliary beam 2 is positioned below the main beam 1 and is detachably connected with the main beam 1; the tundish lifting hook 6 is connected with the auxiliary beam 2 below the auxiliary beam 2 and used for hooking a trunnion of a target tundish 7; the auxiliary hook 5 is connected to the main beam 1, and the auxiliary hook 5 penetrates through a middle hole in the auxiliary beam 2 and is used for hoisting the target tundish 7.
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
First, it is stated that the term "and/or" appearing herein is merely one type of associative relationship that describes an associated object, meaning that three types of relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
At current steel works, all utilize the overhead traveling crane single hook to hang rings in the time of hoist and mount, four board hooks hang and carry out the handling on the pouring basket trunnion, because the mode that rings were hung to the single hook rocks easily and sways, in addition four board hooks hang and carry out the handling on the pouring basket trunnion, make the pouring basket have the risk of rocking the toppling, have great potential safety hazard. In a steel plant, in order to realize the lifting of other materials, a stable and safe lifting tool for the tundish does not exist at present.
Therefore, the embodiment provides a combined lifting appliance, which comprises a pulley block 3, a main beam 1, a secondary beam 2, a tundish lifting hook 6 and a secondary hook 5;
referring to fig. 1-2, wherein,
the pulley block 3 is connected with the main beam 1 above the main beam 1 and is used for adjusting the height of the main beam 1;
the auxiliary beam 2 is positioned below the main beam 1 and is detachably connected with the main beam 1;
the tundish lifting hook 6 is connected with the auxiliary beam 2 below the auxiliary beam 2 and used for hooking a trunnion of a target tundish 7;
the auxiliary hook 5 is connected to the main beam 1, and the auxiliary hook 5 penetrates through a middle hole in the auxiliary beam 2 and is used for hoisting the target tundish 7.
As an alternative embodiment, referring to fig. 1, the pulley block 3 includes two sets, and the two sets of pulley blocks 3 are respectively connected to two ends of the main beam 1. In the specific implementation process, the pulley block 3 is fixed on a crown block, and the height of the whole lifting appliance is adjusted through the pulley principle so as to facilitate the lifting of the lifting appliance.
As an alternative embodiment, referring to fig. 1 and 2, the secondary beam 2 is a rectangular metal plate, and both ends of the short side of the secondary beam 2 are detachably connected to both ends of the main beam 1. The both ends of minor face both ends of auxiliary girder 2 can be dismantled the both ends of connecting girder 1, can guarantee the stability that auxiliary girder 2 and girder 1 are connected. The safety during hoisting is ensured; the detachable connection mode is convenient for detaching the auxiliary beam 2 when the hoisting object is changed subsequently.
As an optional implementation manner, referring to fig. 2, in order to realize quick disassembly and assembly and improve the lifting efficiency of various materials and tundish, the secondary beam 2 is detachably connected to the main beam 1 through a quick-change pin 4, which is convenient and quick.
Specifically, the quick-change pin 4 is a threaded rotary plugging structure. The material is 20CrMo, and the wearability is better, through the rotatory plug of screw thread, realizes quick assembly disassembly through the rotatory plug of screw thread, and the operating personnel of being convenient for operates.
In a specific implementation process, the tundish hook 6 may include a plurality of hooks, preferably an even number, to ensure the stability of the lifting, as an alternative embodiment, referring to fig. 1 and 2, in order to further improve the stability of the lifting and to match the lifting requirement of the tundish, the tundish hook 6 includes four hooks, and four rectangular arrays of the tundish hooks 6 are connected to the secondary beam 2.
Specifically, the tundish lifting hook 6 is fixedly connected to the auxiliary beam 2 through a pin shaft, a baffle and a bolt.
As an optional implementation mode, the auxiliary hook 5 is connected in the middle of the main beam 1, so as to be convenient to pass through the middle hole in the auxiliary beam 2 and be used for hoisting the auxiliary beam 2 without influencing the hoisting of the tundish lifting hook 6 on the auxiliary beam 2, and after the auxiliary beam 2 is disassembled, when the auxiliary hook 5 is used for hoisting other materials, the high strength and the stability of the auxiliary hook 5 can be ensured.
Specifically, the auxiliary hook 5 is fixedly connected to the main beam 1 through a pin, a baffle and a bolt.
The technical scheme in the embodiment of the application at least has the following technical effects or advantages:
the lifting appliance comprises a pulley block 3, a main beam 1, an auxiliary beam 2, a tundish lifting hook 6 and an auxiliary hook 5; the pulley block 3 is connected with the main beam 1 above the main beam 1 and used for adjusting the height of the main beam 1; the auxiliary beam 2 is positioned below the main beam 1 and is detachably connected with the main beam 1; the tundish lifting hook 6 is connected with the auxiliary beam 2 below the auxiliary beam 2 and used for hooking a trunnion of a target tundish 7; the auxiliary hook 5 is connected to the main beam 1, and the auxiliary hook 5 penetrates through a middle hole in the auxiliary beam 2 and is used for hoisting the target tundish 7. Because the auxiliary beam 2 stably connected with the main beam 1 is connected with the tundish lifting hook 6, the stability is better in the process of lifting the tundish, the risk of spilling high-temperature molten steel in the tundish is obviously reduced, and the potential safety hazard of lifting the tundish in the existing steel plant is eliminated; meanwhile, the combined lifting appliance keeps the auxiliary hook 5 on the main beam 1, and the auxiliary beam 2 is detachably connected with the main beam 1, so that after the tundish is lifted, the auxiliary beam 2 and the tundish lifting hook 6 are detached to lift other materials conveniently, the multipurpose is realized, and the lifting efficiency of the combined lifting appliance is improved.
Example two
Based on the same inventive concept as the first embodiment, the present embodiment provides a hoisting method, referring to fig. 3, the method includes:
s102, hooking a trunnion of a target tundish 7 by using a tundish lifting hook 6 in the lifting appliance, and completing the lifting of the target tundish 7;
and S104, detaching the auxiliary beam 2 from the main beam 1, and hoisting the target tundish 7 by using the auxiliary hook 5.
Since the present embodiment is based on the same inventive concept as the first embodiment, the detailed implementation of the present embodiment can be referred to the first embodiment.
Since the hoisting method described in this embodiment is implemented by a combination sling according to the first embodiment of the present application, a person skilled in the art can understand the specific implementation manner of the method of this embodiment and various variations thereof based on the combination sling described in the first embodiment of the present application, and therefore, a detailed description of how to implement hoisting by this method is omitted here. It is within the scope of the present application to enable those skilled in the art to practice the method of the embodiments of the present application by using the modular spreader of the first embodiment.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A combined lifting appliance is characterized by comprising a pulley block, a main beam, an auxiliary beam, a tundish lifting hook and an auxiliary hook; wherein the content of the first and second substances,
the pulley block is connected with the main beam above the main beam and used for adjusting the height of the main beam;
the auxiliary beam is positioned below the main beam and is detachably connected with the main beam;
the tundish lifting hook is connected with the auxiliary beam below the auxiliary beam and used for hooking a trunnion of a target tundish;
the auxiliary hook is connected to the main beam and penetrates through a middle hole in the auxiliary beam and is used for hoisting the target tundish.
2. The spreader of claim 1, wherein the set of pulleys comprises two sets of pulleys, the two sets of pulleys being connected to respective ends of the main beam.
3. The spreader according to claim 1, wherein the secondary beam is a rectangular metal plate, and both ends of the short side of the secondary beam are detachably connected to both ends of the main beam.
4. The spreader of claim 3, wherein the tundish hook comprises four, four rectangular arrays of tundish hooks being attached to the secondary beam.
5. The spreader of claim 1 or 4, wherein the tundish hook is fixedly connected to the secondary beam by a pin, a baffle and a bolt.
6. The spreader of claim 1, wherein the secondary hook is connected intermediate the main beams.
7. The spreader of claim 1 or 6, wherein the secondary hook is fixedly connected to the main beam by a pin, a baffle and a bolt.
8. The spreader of claim 1, wherein the secondary beam is detachably connected to the primary beam by quick-change pins.
9. The spreader of claim 8, wherein the quick-change pin is a threaded rotating plug structure.
10. A hoisting method is characterized by comprising the following steps:
hooking a trunnion of a target tundish by means of a tundish hook in a spreader according to any one of claims 1 to 9 and completing lifting of the target tundish;
and detaching the auxiliary beam from the main beam, and hoisting the target tundish by using the auxiliary hook.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010247976.4A CN111517207A (en) | 2020-03-31 | 2020-03-31 | Combined lifting appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010247976.4A CN111517207A (en) | 2020-03-31 | 2020-03-31 | Combined lifting appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111517207A true CN111517207A (en) | 2020-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010247976.4A Pending CN111517207A (en) | 2020-03-31 | 2020-03-31 | Combined lifting appliance |
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| Country | Link |
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| CN (1) | CN111517207A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52105273U (en) * | 1976-02-06 | 1977-08-10 | ||
| CN202465028U (en) * | 2012-02-28 | 2012-10-03 | 太原重工股份有限公司 | Trapezoidal four-lifting point lifting device for lifting tundish |
| CN103231982A (en) * | 2012-07-11 | 2013-08-07 | 安徽马钢工程技术有限公司 | Carrying pole bean of double-cast bridge crane for lifting super-large object |
| CN204057752U (en) * | 2014-08-18 | 2014-12-31 | 中冶赛迪工程技术股份有限公司 | The outer vacuum refining vehicle frame lifting mode trolley device of a kind of RH stove |
| CN207632317U (en) * | 2017-12-26 | 2018-07-20 | 河北兴隆起重设备有限公司 | Multifunctional hanging tool |
| CN209554671U (en) * | 2018-12-21 | 2019-10-29 | 首钢京唐钢铁联合有限责任公司 | A kind of tundish handling Quick-change lifting appliance |
-
2020
- 2020-03-31 CN CN202010247976.4A patent/CN111517207A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52105273U (en) * | 1976-02-06 | 1977-08-10 | ||
| CN202465028U (en) * | 2012-02-28 | 2012-10-03 | 太原重工股份有限公司 | Trapezoidal four-lifting point lifting device for lifting tundish |
| CN103231982A (en) * | 2012-07-11 | 2013-08-07 | 安徽马钢工程技术有限公司 | Carrying pole bean of double-cast bridge crane for lifting super-large object |
| CN204057752U (en) * | 2014-08-18 | 2014-12-31 | 中冶赛迪工程技术股份有限公司 | The outer vacuum refining vehicle frame lifting mode trolley device of a kind of RH stove |
| CN207632317U (en) * | 2017-12-26 | 2018-07-20 | 河北兴隆起重设备有限公司 | Multifunctional hanging tool |
| CN209554671U (en) * | 2018-12-21 | 2019-10-29 | 首钢京唐钢铁联合有限责任公司 | A kind of tundish handling Quick-change lifting appliance |
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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 | ||
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Application publication date: 20200811 |