CN113896090A - Lifting appliance for mounting blast furnace shell - Google Patents
Lifting appliance for mounting blast furnace shell Download PDFInfo
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- CN113896090A CN113896090A CN202111255661.5A CN202111255661A CN113896090A CN 113896090 A CN113896090 A CN 113896090A CN 202111255661 A CN202111255661 A CN 202111255661A CN 113896090 A CN113896090 A CN 113896090A
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- furnace shell
- blast furnace
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 115
- 239000010959 steel Substances 0.000 claims abstract description 115
- 238000009434 installation Methods 0.000 claims description 11
- 238000003466 welding Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 230000032258 transport Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
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Classifications
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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
- 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
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
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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
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/60—Derricks
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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
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention relates to a lifting appliance for installing a blast furnace shell, which comprises: a steel column; the four main beams are respectively hinged to the lower ends of the steel columns, and one end, far away from the steel columns, of each main beam is provided with a hanging point; the four pull rods are respectively and correspondingly arranged between the four main beams and the steel columns, two ends of each pull rod are respectively hinged with the main beams and the steel columns, and the middle parts of the pull rods can be folded; four bracing correspond respectively and set up between two adjacent girders, the both ends of bracing are respectively with adjacent two the girder is articulated mutually, just the tip detachably of bracing connects on the girder. The lifting appliance for installing the blast furnace shell provided by the invention is provided with a plurality of lifting points, so that the whole circle of furnace shell can be lifted at a time, the overhead welding workload is reduced, and the furnace shell cannot be deformed when being lifted; the lifting appliance is simple in structure, can be folded in, occupies a small space after being folded in, and is convenient to transport and store.
Description
Technical Field
The invention relates to the technical field of blast furnace installation construction, in particular to a lifting appliance for installing a blast furnace shell.
Background
With the national integration of the domestic steel industry, large steel plants in China successively eliminate the outdated production energy, shut down aging equipment and small-volume blast furnaces, and build large-volume blast furnaces in a row.
Because the internal diameter of the medium-sized and large-sized blast furnace is large, the furnace shell is hoisted mostly by adopting hoisting machinery to hoist in blocks and then assembled at high altitude, the hoisting ropes have horizontal tension on the furnace shell in the hoisting process of the method, the furnace shell is deformed, the subsequent correction and installation difficulty is increased, the high-altitude welding operation is more, and the construction efficiency and the safety are lower.
Disclosure of Invention
In view of the above, the present invention provides a lifting appliance for installing a blast furnace shell, which aims to solve the problems in the prior art.
According to the present invention, there is provided a hanger for mounting a blast furnace shell, comprising:
a steel column;
the four main beams are respectively hinged to the lower ends of the steel columns, and one end, far away from the steel columns, of each main beam is provided with a hanging point;
the four pull rods are respectively and correspondingly arranged between the four main beams and the steel columns, two ends of each pull rod are respectively hinged with the main beams and the steel columns, and the middle parts of the pull rods can be folded;
four bracing correspond respectively and set up between two adjacent girders, the both ends of bracing are respectively with adjacent two the girder is articulated mutually, just the tip detachably of bracing connects on the girder.
Preferably, the pull rod comprises an upper pull rod, a lower pull rod and a middle connecting rod, the first end of the upper pull rod is hinged to the steel column, the first end of the lower pull rod is hinged to the main beam, and two ends of the middle connecting rod are respectively hinged to the second end of the upper pull rod and the second end of the lower pull rod.
Preferably, the steel column comprises upright columns and vertical plates, the cross sections of the upright columns are in a cross-shaped structure, the number of the vertical plates is four, and the four vertical plates are uniformly distributed around the upright columns.
Preferably, the lower end of the steel column is provided with four short steel beams, the four short steel beams are uniformly distributed around the steel column, and the four main beams are respectively hinged to the four short steel beams.
Preferably, the short steel beam and the main beam are made of H-shaped steel, and the pull rod is hinged to a flange plate of the main beam.
Preferably, four lifting lugs are arranged at the upper end of the steel column, lifting holes are formed in the lifting lugs, and the four lifting lugs are uniformly distributed around the steel column.
Preferably, four of the main beams are respectively provided with a lock catch plate, the lock catch plates are provided with lock holes matched with the lifting holes, and the lock catch plates are matched with the lifting lugs for use and used for locking and connecting the main beams and the lifting lugs when the main beams steer to the steel columns.
Preferably, one end of the main beam, which is far away from the steel column, is provided with a hoisting plate, and the hoisting point is a hoisting hole formed in the hoisting plate.
Preferably, the hoisting plate is of a long strip-shaped plate structure, a plurality of hoisting holes are formed in the hoisting plate, and the plurality of hoisting holes are uniformly distributed along the length direction of the main beam.
Preferably, the distances from the corresponding hoisting holes on each hoisting plate to the center of the steel column are equal.
The lifting appliance for installing the blast furnace shell provided by the invention is provided with a plurality of lifting points, so that the whole circle of furnace shell can be lifted at a time, the overhead welding workload is reduced, and the furnace shell cannot be deformed when being lifted; the lifting appliance is simple in structure, can be folded in, occupies a small space after being folded in, and is convenient to transport and store.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings.
Fig. 1 shows a schematic structural view of a lifting appliance for mounting a furnace shell of a blast furnace according to an embodiment of the invention in a fully unfolded state.
Fig. 2 shows a schematic structural diagram of a lifting appliance for installing a blast furnace shell according to an embodiment of the invention in a semi-furled state.
Fig. 3 shows a schematic structural view of a lifting appliance for installing a blast furnace shell according to an embodiment of the invention in a fully collapsed state.
Fig. 4 shows a schematic structural diagram of the connection between the hoisting plates and the main beams in the lifting appliance for installing the blast furnace shell according to the embodiment of the invention.
Fig. 5 shows a schematic view of a lifting appliance for mounting a furnace shell of a blast furnace according to an embodiment of the invention in a use state.
In the figure: the device comprises steel columns 1, upright columns 11, vertical plates 12, main beams 2, pull rods 3, upper pull rods 31, lower pull rods 32, intermediate connecting rods 33, inclined struts 4, short steel beams 5, lifting lugs 6, lifting holes 61, locking plates 7, locking holes 71, lifting plates 8, lifting holes 81, lifting ropes 9 and a furnace shell 10.
Detailed Description
Various embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Like elements in the various figures are denoted by the same or similar reference numerals. For purposes of clarity, the various features in the drawings are not necessarily drawn to scale.
Referring to fig. 1 to 3, the invention provides a lifting appliance for installing a blast furnace shell, which comprises a steel column 1, four main beams 2, four pull rods 3 and four inclined struts 4. The four main beams 2 are respectively hinged to the lower ends of the steel columns 1, and one end, far away from the steel columns 1, of each main beam 2 is provided with a hanging point; the four pull rods 3 are respectively and correspondingly arranged between the four main beams 2 and the steel columns 1, two ends of each pull rod 3 are respectively hinged with the main beams 2 and the steel columns 1, and the middle parts of the pull rods 3 can be folded. Four bracing 4 corresponds the setting respectively between two adjacent girder 2, the both ends of bracing 4 are articulated mutually with two adjacent girder 2 respectively, just the tip detachably of bracing 4 connects on girder 2.
Specifically, the steel column 1 is a main bearing structure, and a lifting end of a hoisting device is connected to the upper end of the steel column 1 when the lifting device is used. The main beams 2 and the pull rods 3 are in a furled state and an unfolded state, when the main beams 2 are in the unfolded state, the main beams 2 are perpendicular to the steel column 1 respectively, the pull rods 3 are in a linear state under the action of gravity of the main beams 2, the upper ends of the pull rods 3 are connected to the upper portion of the steel column 1, and the lower ends of the pull rods 3 are connected to the positions, far away from the steel column 1, of the main beams 2. The connecting point of the pull rod 3 on the main beam 2 is arranged close to the hanging point of the main beam 2, so that the main beam 2 is well stressed when the furnace shell is hoisted. The positions of the hanging points on the main beams 2 can be set according to the diameter of the blast furnace shell, so that the distance between the hanging points on the two opposite main beams 2 is consistent with the diameter of the blast furnace shell. When the blast furnace shell is hoisted, slings 9 can be respectively connected to the hoisting points at the end parts of the four main beams 2, and the four slings 9 are respectively connected to the blast furnace shell to be hoisted. The lifting device is connected to the lifting end of the lifting equipment to lift the blast furnace shell, so that the blast furnace shell can be lifted at multiple points, and the whole circle of the furnace shell can be lifted at a single time; and because the distance between two opposite hanging points is consistent with the diameter of the blast furnace shell, the sling 9 can only stress the furnace shell in the vertical direction when being connected with the furnace shell for hoisting, and can not generate the pulling force in the horizontal direction, thereby not causing the deformation of the furnace shell and ensuring that the subsequent installation construction after the furnace shell is hoisted in place can be smoothly carried out. The effect of bracing 4 is connected between two adjacent girder 2, makes the in-process of this hoist and mount stove outer covering, and four girder 2 can remain stable in the horizontal direction, prevents that girder 2 from taking place the deformation of horizontal direction because of inertial force effect when hoist and mount stove outer covering, causing the damage of hoist and producing the potential safety hazard.
This hoist can also realize drawing in folding in, accomplishes the back at the hoist and mount operation, for convenient transportation and the depositing of hoist, can separate one of them one end and girder 2 of four bracing 4, rotates girder 2 towards the direction of steel column 1, and when girder 2 rotated, pull rod 3 also can be folded thereupon to the occupation space that makes whole hoist is less, conveniently aligns and transports and deposit.
As shown in fig. 1, the pull rod 3 includes an upper pull rod 31, a lower pull rod 32 and an intermediate link 33, a first end of the upper pull rod 31 is hinged to the steel column 1, a first end of the lower pull rod 32 is hinged to the main beam 2, and two ends of the intermediate link 33 are respectively hinged to a second end of the upper pull rod 31 and a second end of the lower pull rod 32. The length of the middle connecting rod 33 is small, and the function of the middle connecting rod is that after the pull rod 3 is folded, the upper pull rod 31 and the lower pull rod 32 can be close to a parallel state, so that the pull rod 3 can be smoothly folded. If the intermediate link 33 is not provided, the upper link 31 and the lower link 32 are directly connected to each other, and therefore, interference is likely to occur in the folded state, and the folded state cannot be brought close to the parallel state. In this embodiment, the main body portions of the upper pull rod 31, the lower pull rod 32 and the intermediate link 33 are made of circular steel pipes, the two ends of the upper pull rod 31, the two ends of the lower pull rod 32 and the two ends of the intermediate link 33 are respectively provided with a connecting ear plate, each connecting ear plate is provided with a hinge hole, each steel column 1 and the corresponding main beam 2 are also provided with a hinge ear plate matched with the corresponding connecting ear plate, each hinge ear plate is also provided with a hinge hole, the connecting ear plates on the pull rods 3 are connected with the hinge ear plates on the steel columns 1 or the main beams 2 through hinge pins, and the connecting ear plates of the upper pull rod 31, the intermediate link 33 and the lower pull rod 32 are also connected through hinge pins.
Referring to fig. 1, in the hanger, the steel column 1 includes an upright column 11 and vertical plates 12, the cross section of the upright column 11 is in a cross-shaped structure, that is, the upright column 11 is in a cross-shaped columnar structure, the number of the vertical plates 12 is four, the vertical plates 12 are in a rectangular plate-shaped structure, and the four vertical plates 12 are uniformly distributed around the upright column 11. So set up, can guarantee steel column 1 can bear the load when lifting the blast furnace stove outer covering, can guarantee again that steel column 1 can not take place to warp when pull rod 3 atress. In specific implementation, the upright post 11 may be formed by welding steel plates with a certain thickness, and the vertical plate 12 is vertically welded on one of the steel plates of the upright post 11. The steel column 1 can also be formed by welding one H-shaped steel and two T-shaped steels, the two T-shaped steels are symmetrically arranged on two sides of a web plate of the H-shaped steel, the web plates of the two T-shaped steels are vertically welded in the middle of the web plate of the H-shaped steel, and the extending directions of the H-shaped steel and the T-shaped steel are consistent.
The lower extreme of steel column 1 still is equipped with four short girder steel 5, and four short girder steel 5 evenly distributed are around steel column 1, and four girders 2 articulate respectively on four short girder steel 5. As shown in fig. 1, four short steel bars are vertically connected to the lower end of the steel column 1, the end of the short steel beam 5 far away from the steel column 1 and the end of the main beam 2 are provided with connecting end plates for being hinged together, and the short steel beam 5 and the main beam 2 are connected through a hinge pin. Through setting up girder steel 5 for a short time, make girder 2 draw in the back in, have certain clearance between girder 2 and the steel column 1 to make the pull rod 3 after folding have accommodation space.
In this embodiment, the short steel beam 5 and the main beam 2 are both made of H-shaped steel, and the lower end of the lower link 32 is connected to the flange plate of the main beam 2. The main beam 2 and the short steel beam 5 are made of H-shaped steel, so that the main beam 2 and the short steel beam 5 have better bending resistance in the vertical direction when in use; after the pull rod 3 is connected with the main beam 2, the pull rod 3 is connected on flange plates of the main beam 2, and a web plate arranged between the upper flange plate and the lower flange plate can prevent the main beam 2 from generating local deformation when being stretched by the pull rod 3. In this embodiment, the main body of bracing 4 adopts circular steel pipe to make, and both ends set up the connection otic placode, also set up the connection otic placode on the web of girder 2, and the connection otic placode at bracing 4 both ends is respectively through on the connection otic placode of a detachably latch connection on the web of two adjacent girders 2, can pull down the bolt of one of them one end of bracing 4 when the hoist needs to draw in, makes things convenient for the hoist to draw in.
In order to facilitate the connection of the lifting appliance with the lifting end of the lifting equipment when the lifting appliance is used, four lifting lugs 6 are arranged at the upper end of the steel column 1, lifting holes 61 are formed in the lifting lugs 6, and the four lifting lugs 6 are uniformly distributed around the steel column 1. When the lifting device is used, the end part of a lifting steel wire rope of the lifting device can be connected to the lifting lug 6 through the lifting shackle. Two or four steel wire ropes with equal length are generally separated from the lifting end of the lifting equipment, when two steel wire ropes are adopted, the two steel wire ropes are respectively connected to two lifting lugs 6 which are opposite to each other at the upper end of the steel column 1, and when four steel wire ropes are adopted, the four steel wire ropes are respectively connected to the four lifting lugs 6 at the upper end of the steel column 1, so that the lifting appliance can be kept balanced during lifting.
Further, in order to connect the main beam 2 with the steel column 1 after the hanger is folded, a locking plate 7 is respectively arranged on each of the four main beams 2, a locking hole 71 matched with the hanging hole 61 is arranged on each locking plate 7, and each locking plate 7 is matched with the lifting lug 6 for use and is used for locking and connecting the main beam 2 with the steel column 1 when the main beam 2 turns to the steel column 1. Specifically, after the hanger is completely folded, the lock holes 71 on the lock plate 7 are aligned with the hanging holes 61 on the hanging lugs 6, and the detachable bolts can pass through the hanging holes 61 on the hanging lugs 6 and the lock holes 71 on the lock plate 7 at a time, so as to connect the main beam 2 and the steel column 1 together.
And a hoisting plate 8 is arranged at one end of the main beam 2 far away from the steel column 1, and a hoisting hole 81 is formed in the hoisting plate 8. Referring to fig. 4, in this embodiment, the hoisting plate 8 is a long strip plate-shaped structure, the hoisting plate 8 is vertically welded to a lower flange plate of the main beam 2 (a flange plate opposite to the flange plate connected to the pull rod 3), the length direction of the hoisting plate 8 is the same as the length direction of the main beam 2, the hoisting plate 8 is provided with a plurality of hoisting holes 81, and the hoisting holes 81 are uniformly distributed along the length direction of the main beam 2. Through set up a plurality of lifting holes 81 on hanger plate 8, can select one of them lifting hole 81 to connect hoist cable 9, through hoist cable 9 reconnection on the conch wall of blast furnace shell, make this hoist can hoist the blast furnace shell of various diameters. In the lifting appliance, the distances from the corresponding lifting holes 81 on each lifting plate 8 to the center of the steel column 1 are equal, and during use, four lifting ropes 9 are respectively connected to the corresponding lifting holes 81 on the four lifting plates 8, so that the distances between the lifting ropes 9 and the center of the steel column 1 are equal, and the lifting appliance can be kept balanced and stable when the lifting appliance is used for lifting a blast furnace shell. For example, when a blast furnace shell with the diameter of 5 meters is hoisted, the hoisting holes 81 which are 2.5 meters away from the center of the steel column 1 can be selected to be connected with the slings 9, the slings 9 are then connected with the blast furnace shell, each sling 9 can be kept vertical during hoisting, no horizontal tension exists, and therefore deformation of the blast furnace shell during hoisting is avoided. In this embodiment, a plurality of stiffening ribs are respectively arranged on two sides of the hoisting plate 8, and the stiffening ribs are respectively connected with the hoisting plate 8 and the main beam 2, so that the connection strength of the hoisting plate 8 on the main beam 2 is improved; and a plurality of stiffening ribs are arranged between the upper flange plate and the lower flange plate of the main beam 2 at the connecting position of the hoisting plate 8.
Fig. 5 is a schematic view showing a usage status of the lifting appliance for installing the blast furnace shell, wherein a lifting end of the equipment is connected to a lifting lug 6 at the upper end of a steel column 1, four main beams 2 are respectively connected to a lifting rope 9, and the four lifting ropes 9 are respectively connected to a shell wall of the blast furnace shell 10, so that the blast furnace shell 10 can be lifted conveniently, safely, stably and efficiently.
Referring to fig. 2 and fig. 3, the spreader is shown in a semi-furled state and a fully furled state respectively. This hoist uses the completion back, with each bracing 4 wherein one end and girder 2 phase separation, mention four girders 2 in proper order through hoisting equipment afterwards, draw in each girder 2 in folding to steel column 1 one side completely, then the operation personnel insert in lug 6 and hasp board 7 with the bolt through quick scaffold, be connected girder 2 and steel column 1 locking, at last hoist equipment with this hoist whole and lift, make bracing 4 also be parallel state with girder 2 under the action of gravity, the personnel bind bracing 4 with girder 2 with the rope made of hemp or ligature area after the shipment transport and deposit. The unfolding process and the folding process of the hanger are opposite, and the description is omitted here.
In conclusion, the lifting appliance for installing the blast furnace shell provided by the invention is provided with a plurality of lifting points, so that the whole circle of furnace shell can be lifted by one time, the overhead welding workload is reduced, and the furnace shell cannot be deformed when being lifted; the lifting appliance is simple in structure, can be folded, occupies a small space after being folded, and is convenient to transport and store.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Finally, it should be noted that: it should be understood that the above examples are only for clearly illustrating the present invention and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the scope of the invention.
Claims (10)
1. The utility model provides a hoist is used in installation of blast furnace stove outer covering which characterized in that includes:
a steel column;
the four main beams are respectively hinged to the lower ends of the steel columns, and one end, far away from the steel columns, of each main beam is provided with a hanging point;
the four pull rods are respectively and correspondingly arranged between the four main beams and the steel columns, two ends of each pull rod are respectively hinged with the main beams and the steel columns, and the middle parts of the pull rods can be folded;
four bracing correspond respectively and set up between two adjacent girders, the both ends of bracing are respectively with adjacent two the girder is articulated mutually, just the tip detachably of bracing connects on the girder.
2. The blast furnace shell installation hanger of claim 1, wherein the tie rods comprise an upper tie rod, a lower tie rod and an intermediate tie rod, the first end of the upper tie rod is hinged to the steel column, the first end of the lower tie rod is hinged to the main beam, and the two ends of the intermediate tie rod are respectively hinged to the second end of the upper tie rod and the second end of the lower tie rod.
3. The blast furnace shell installation lifting appliance according to claim 1, wherein the steel column comprises an upright column and four upright plates, the cross section of the upright column is in a cross-shaped structure, the number of the upright plates is four, and the four upright plates are uniformly distributed around the upright column.
4. The blast furnace shell installation hanger according to claim 1, wherein the lower end of the steel column is provided with four short steel beams, the four short steel beams are uniformly distributed around the steel column, and the four main beams are respectively hinged to the four short steel beams.
5. The blast furnace shell installation hanger of claim 4, wherein the short steel beams and the main beams are made of H-shaped steel, and the pull rods are hinged to flange plates of the main beams.
6. The blast furnace shell installation lifting appliance according to claim 4, wherein the upper end of the steel column is provided with four lifting lugs, the lifting lugs are provided with lifting holes, and the four lifting lugs are uniformly distributed around the steel column.
7. The lifting appliance for installing the blast furnace shell according to claim 6, wherein each of the four main beams is provided with a locking plate, the locking plates are provided with locking holes matched with the lifting holes, and the locking plates are matched with the lifting lugs for locking and connecting the main beams when the main beams are turned to the steel columns.
8. The blast furnace shell installation hanger of claim 1, wherein a lifting plate is provided at an end of the main beam away from the steel column, and the lifting point is a lifting hole provided in the lifting plate.
9. The lifting appliance for installing the blast furnace shell according to claim 8, wherein the lifting plate has a strip-shaped plate structure, and a plurality of lifting holes are formed in the lifting plate and are uniformly distributed along the length direction of the main beam.
10. The blast furnace shell installation hanger of claim 9, wherein the distance from the corresponding lifting hole on each lifting plate to the center of the steel column is equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111255661.5A CN113896090B (en) | 2021-10-27 | 2021-10-27 | Lifting appliance for mounting blast furnace shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111255661.5A CN113896090B (en) | 2021-10-27 | 2021-10-27 | Lifting appliance for mounting blast furnace shell |
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| Publication Number | Publication Date |
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| CN113896090A true CN113896090A (en) | 2022-01-07 |
| CN113896090B CN113896090B (en) | 2023-12-22 |
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| CN202111255661.5A Active CN113896090B (en) | 2021-10-27 | 2021-10-27 | Lifting appliance for mounting blast furnace shell |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102146674A (en) * | 2010-02-08 | 2011-08-10 | 三一电气有限责任公司 | Diagonal bracing mechanism and piling machine or rotary drilling rig provided therewith |
| JP6042283B2 (en) * | 2013-07-25 | 2016-12-14 | 株式会社日立製作所 | Floating body hanger |
| CN205973410U (en) * | 2016-05-20 | 2017-02-22 | 中核机械工程有限公司 | Special cross hanging beam structure of reactor core shell hoist and mount |
| CN106912456A (en) * | 2016-11-07 | 2017-07-04 | 常州市利众环保科技有限公司 | A kind of portable folding loop wheel machine removes net |
| CN112694016A (en) * | 2020-12-17 | 2021-04-23 | 中国二十冶集团有限公司 | Bridge crane steel wire rope installation auxiliary device and using method thereof |
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