CN103121625B - Method for high altitude disassembly of large-scale part - Google Patents
Method for high altitude disassembly of large-scale part Download PDFInfo
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- CN103121625B CN103121625B CN201110371571.2A CN201110371571A CN103121625B CN 103121625 B CN103121625 B CN 103121625B CN 201110371571 A CN201110371571 A CN 201110371571A CN 103121625 B CN103121625 B CN 103121625B
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- large component
- supporting section
- scale part
- crane
- dismounting
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Abstract
The invention discloses a method for high altitude disassembly of a large-scale part. The large-scale part is supported on two upright columns along the length direction of the large-scale part. The method comprises the following steps that a motor hoist is arranged above the large-scale part, so a cable reel of the motor hoist is capable of moving along a rail parallel with the length direction of the large-scale part; a support device is arranged below the large-scale part, and the two ends of the length direction of the large-scale part tension the large-scale part; and the large-scale part is divided into multiple sections along the length direction of the large-scale part, the disassembly is successively performed from the middle of the length direction of the large-scale part to the two ends of the large-scale part and the motor hoist can lift the multiple sections. Through the technical scheme, the operation can be carried out at the height direction of the large-scale part, and the required space is reduced. In addition, the large-scale part is divided into multiple sections to be successively dismantled, and the motor hoist with light carrying capacity is utilized to operate.
Description
Technical field
The present invention relates to the dismounting of large component, particularly, relate to the method for a kind of high-altitude dismounting large component.
Background technology
Arrange high-level large component, such as, in the Demolition Construction of crane trolley beam, for ensureing that safety, fast speed are removed, general employing vapour hangs or the mode of hoisting beam is removed, but usually need larger operation, arrangement space.At some special occasions, such as, in steel mill, be usually provided with multiple stage crane trolley, and between multiple stage crane trolley, be also provided with the equipment at high-altitude transport molten steel.Therefore, be difficult to realize dismantling operation in narrow space.
Summary of the invention
The object of this invention is to provide a kind of being convenient in small space, remove the method that high-level large component is set.
To achieve these goals, the invention provides the method for a kind of high-altitude dismounting large component, wherein, described large component is supported on two columns along its length, and described method comprises:
Hoist ceiling crane is set above described large component, makes the cable drum of described hoist ceiling crane can along the rail moving of length direction being parallel to described large component;
In the below of described large component, bracing or strutting arrangement is set;
Described large component is strained at the two ends of the length direction of described large component;
Described large component is divided into multiple part along its length, dismantles successively from the middle part of the length direction of described large component to two ends and lift by crane described multiple part by described hoist ceiling crane.
By technique scheme, can operate in the short transverse of large component, reduce required space.In addition, by being divided into by large component multiple part to remove successively, the hoist ceiling crane of less load carrying ability can be used to operate.
Other features and advantages of the present invention are described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for specification sheets, is used from explanation the present invention, but is not construed as limiting the invention with detailed description of the invention one below.In the accompanying drawings:
Fig. 1 is the schematic diagram that the method break-down crane crane girder using high-altitude of the present invention dismounting large component is described;
Fig. 2 is the structural representation that the first supporting section of the present invention is described;
Fig. 3 is the structural representation that the second supporting section of the present invention is described;
Fig. 4 is the part sectional view of the connection location that the first supporting section and the second supporting section are described.
Description of reference numerals
10: crane trolley beam
20: hoist ceiling crane 21: cable drum 22: hanging beam 23: extension
30: bracing or strutting arrangement
31: the first supporting section 31a: the first support post 31b: the first mount pads
31c: Plug Division 31d: the first cross bar 31f: the first hound
31e: the first brace panel 31g: footstock 31h: the first deep floor
32: the second supporting section 32a: the second support post 32b: the second mount pads
32c: dimple portion 32d: the second cross bar 32f: the second hound
32e: the second brace panel 32g: base 32h: the second deep floor
33: assembly platform 34: operation platform 35: cat ladder 36: jack
37: reinforcement
40: hoisting system 41: leading sheave 42: assembly pulley 43: cable wire
50: column 51: foundation 52: pillar
60: auxiliary hoisting system 70: fastener
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
In the present invention, when not doing contrary explanation, the noun of locality such as " upper and lower, left and right " of use typically refers to reference to upper and lower, left and right shown in the drawings; " inside and outside " refers to profile inside and outside relative to each parts itself.
The invention provides the method for a kind of high-altitude dismounting large component, wherein, described large component is supported on two columns 50 along its length, and described method comprises:
(a), above described large component, hoist ceiling crane 20 is set, make the cable drum 21 of described hoist ceiling crane 20 can along the rail moving of length direction being parallel to described large component;
(b), in the below of described large component, bracing or strutting arrangement 30 is set;
(c), strain described large component at the two ends of the length direction of described large component;
(d), described large component is divided into multiple part along its length, dismantle successively from the middle part of the length direction of described large component to two ends and lift by crane described multiple part by described hoist ceiling crane 20.
It should be noted that, above-mentioned steps (a), (b) and (c) can carry out simultaneously or carry out with random order, as long as carrying out step (d) completing steps (a), (b) and (c) before.
Use method of the present invention, only can operate in the short transverse of large component, reduce the space needed for disassembling section.In addition, by being divided into by large component multiple part to remove successively, the hoist ceiling crane of less load carrying ability can be used to operate.
, with break-down crane crane girder 10, method of the present invention is described below, as shown in Figure 1, crane trolley beam 10 can be divided into five parts along its length.
Wherein, the step arranging hoist ceiling crane 20 above described large component comprises: the top supporting the position of heavy-duty machine crane girder 10 hanging beam 22 of described hoist ceiling crane 20 being supported on described two columns 50, as shown in Figure 1.
In addition, column 50 can adopt various structure, as long as can support heavy-duty machine crane girder 10 and support the upper support hanging beam 22 of position of heavy-duty machine crane girder 10.Such as, in the embodiment shown in Fig. 1, the pillar 52 that column 50 comprises foundation 51 and is arranged on above foundation 51, wherein the cross sectional dimensions of foundation 51 is greater than pillar 52, to carry the weight of large component and hoist ceiling crane 20.In actual applications, foundation 51 can use the column of such as factory building, and pillar 52 can be the column braces of factory building column.
When using hoist ceiling crane 20 of large load capacity, the length of its hanging beam 22 is enough, and thus the two ends of hanging beam 22 can directly be supported on pillar 52, such as, support and be fixed to the top of pillar 52.
When using compared with side crops industry amount hoist ceiling crane 20, the length of its hanging beam 22 may not, and the distance namely between described two columns 50 is greater than the length of described hanging beam 22.In this case, extension 23 can be set at the two ends of described hanging beam 22, be supported on described column 50 (i.e. the top of pillar 52) by described extension 23 to make described hanging beam 22.When arranging extension 23, also need to test before use hoist ceiling crane 20 lifts by crane, with the Joint strenght of the intensity and extension 23 and pillar 52 of guaranteeing extension 23.Concrete, hoist ceiling crane 20 can be used to lift by crane the load of 1.25 times of its load capacity and keep predetermined time, then check whether hanging beam 22 and extension 23 occur distortion and crackle, under confirmation hanging beam 22 and the normal situation of extension 23, re-use hoist ceiling crane 20 lift by crane break-down crane crane girder 10.Such as, by using extension 23, for the crane trolley beam 10 of gross weight about 54 tons, the weight of every part is about 11 tons, and the hoist ceiling crane 20 that model is CD1/10t, load capacity is 10 tons can be used to lift by crane.
In the present invention, bracing or strutting arrangement 30 can adopt various suitable structure, as long as can support heavy-duty machine crane girder 10 from below.Such as, bracing or strutting arrangement 30 can comprise bracing frame and jack 36.The step arranging bracing or strutting arrangement 30 in the below of described crane trolley beam 10 comprises: arrange bracing frame in the below at the two ends of described crane trolley beam 10 respectively; And jack 36 is set on support frame as described above, to support described crane trolley beam 10.Wherein, jack 36 can be multiple, and arranges along the length direction of crane trolley beam 10.
In addition, bracing frame can form various suitable structure, as long as can arrange jack 36 and support heavy-duty machine crane girder 10.For ensureing support strength and alleviating deadweight, in the embodiment shown in Fig. 1, support frame as described above comprises the first supporting section 31 and the second supporting section 32, and described first supporting section 31 and described second supporting section 32 form truss structure respectively.As shown in Figures 2 and 3, first supporting section 31 and the second supporting section 32 can have the first support post 31a and the second support post 32a respectively, the bottom of described first support post 31a has the first mount pad 31b, and the top of described second support post 32a has the second mount pad 32b.Therefore, the step arranging bracing or strutting arrangement in the below of described crane trolley beam 10 comprises: the below described second supporting section 32 being arranged on the two ends of described crane trolley beam 10, and the top described first supporting section 31 being arranged on described second supporting section 32; And be fixedly connected with described first support mount pad 31b and described second support mount pad 32b, such as realize the first support mount pad 31b by fastener 70 and support being fixedly connected with of mount pad 32b with second.
Preferably, as shown in Figures 2 to 4, the bottom of described first support post 31a can have outstanding Plug Division 31c downwards, and the top of described second support post 32a has the dimple portion 32c for holding described Plug Division 31c.Thus, the top described first supporting section 31 being arranged on described second supporting section 32 can comprise Plug Division 31c described in grafting and described dimple portion 32c, to make described first supporting section 31 and described second supporting section 32 relative positioning.By Plug Division 31c and dimple portion 32c, the first supporting section 31 and the second supporting section 32 circumference location each other can be made, by fastener 70, the first supporting section 31 and the second supporting section 32 axial location each other can be made, thus make the first supporting section 31 and the second supporting section 32 obtain accurate, firm relative positioning.
Wherein, the truss structure of the first supporting section 31 can comprise four first support post 31a, adjacent two first support post 31a are by the first cross bar 31d lateral connection and by the oblique connection of the first hound 31f, and two first hound 31f of intersection can be connected by the first brace panel 31e to strengthen skewed horizontal load at crossover location.In addition, the top of the first supporting section 31 can be provided with footstock 31g, to settle jack 36.
Same, the truss structure of the second supporting section 32 can comprise four second support post 32a, adjacent two second support post 32a are by the second cross bar 32d lateral connection and by the oblique connection of the second hound 32f, and two second hound 32f of intersection can be connected by the second brace panel 32e to strengthen skewed horizontal load at crossover location.In addition, the bottom of the second supporting section 32 can be provided with base 32g, to be steadily fixed on basic plane.
In addition, as shown in Figure 4, the first deep floor 31h and the second deep floor 32h can be set respectively in the butt end of the first mount pad 31b and the second mount pad 32b, to reinforce the coupling end of the first supporting section 31 and the second supporting section 32.
For strengthening the strength and stability of bracing frame, as shown in Figure 1, described method can also be included between support frame as described above and corresponding column 50 and arrange reinforcement 37.That is, be provided with reinforcement 37 between the bracing frame below crane trolley beam 10 left end and left side foundation 51, between the bracing frame below crane trolley beam 10 right-hand member and right side foundation 51, be provided with reinforcement 37.Wherein, reinforcement 37 can be cable wire or rigid link.
In addition, for ease of operating personal operation, as shown in Figure 1, described method also comprises: arrange assembly platform 33 on the top of described second supporting section 32, described first supporting section 31 is arranged on the top of described second supporting section 32; And operation platform 34 is set on the top of described first supporting section 31, to arrange jack 36 at the top of described first supporting section 31.For ease of operating personal climbing bracing frame, the cat ladder 35 along the short transverse of bracing frame can also be set.
Those skilled in the art can adopt various suitable mode to provide tension at the two ends of crane trolley beam 10, thus when dismantling multiple part successively from middle part to two ends, can keep the stable of non-disengaging section.In a preferred embodiment of the invention, as shown in Figure 1, the step straining described crane trolley beam 10 at the two ends of the length direction of described crane trolley beam 10 comprises: arrange hoisting system 40 on the top of described two columns 50 respectively and strained the two ends of described crane trolley beam 10 by the cable wire 42 of described hoisting system 40.Wherein, the assembly pulley 42 that cable wire 42 can walk around the two ends (such as Part IV and Part V) being arranged on leading sheave on pillar 52 51 and being connected to crane trolley beam 10 is arranged, to regulate length and the tightening force of cable wire 42.
In addition, in a preferred embodiment of the invention, as shown in Figure 1, described method can also comprise and assists described hoist ceiling crane 20 to lift by crane described multiple part by auxiliary hoisting system 60.Auxiliary hoisting system 60 can comprise elevator and cable wire.Wherein, elevator can be fixed by the attaching parts (such as cable wire) being connected to such as pillar 52 and hanging beam 22.During dismounting, the elevator of auxiliary hoisting system 60 and cable drum 21 Synchronous lifting of hoist ceiling crane 20 can be made, thus auxiliary dismounting.
During dismounting, can from Part I to Part V (selectively, the dismounting order of Part II and Part III is commutative, the dismounting order of Part IV and Part V is commutative) dismantle successively, before dismantling each part, this part is disconnected to other relevant parts, is then lifted by crane by hoist ceiling crane 20 and auxiliary elevator 60.
Below the preferred embodiment of the present invention is described in detail by reference to the accompanying drawings; but; the present invention is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each the concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, can be combined by any suitable mode.In order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible array mode.
In addition, also can carry out combination in any between various different embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (8)
1. a method for high-altitude dismounting large component, wherein, described large component is supported on two columns (50) along its length, and described method comprises:
Hoist ceiling crane (20) is set above described large component, makes the cable drum of described hoist ceiling crane (20) (21) can along the rail moving of length direction being parallel to described large component;
Bracing or strutting arrangement (30) is set in the below of described large component;
Described large component is strained at the two ends of the length direction of described large component;
Described large component is divided into multiple part along its length, dismantles successively from the middle part of the length direction of described large component to two ends and lift by crane described multiple part by described hoist ceiling crane (20);
Wherein, the step arranging bracing or strutting arrangement (30) in the below of described large component comprises:
Respectively bracing frame is set in the below at the two ends of described large component; And
Support frame as described above arranges jack (36), to support described large component;
Described method is included between support frame as described above and corresponding column (50) and arranges reinforcement (37).
2. the method for dismounting large component in high-altitude according to claim 1, wherein, the step arranging hoist ceiling crane (20) above described large component comprises:
The hanging beam (22) of described hoist ceiling crane (20) is supported on the top of the position of the described large component of support of described two columns (50).
3. the method for dismounting large component in high-altitude according to claim 2, wherein, when distance between described two columns (50) is greater than the length of described hanging beam (22), extension (23) is set at the two ends of described hanging beam (22), is supported on described column (50) by described extension (23) to make described hanging beam (22).
4. the method for dismounting large component in high-altitude according to claim 1, wherein, support frame as described above comprises the first supporting section (31) and the second supporting section (32), described first supporting section (31) and described second supporting section (32) form truss structure respectively and have the first support post (31a) and the second support post (32a) respectively, the bottom of described first support post (31a) has the first mount pad (31b), and the top of described second support post (32a) has the second mount pad (32b);
The step arranging bracing or strutting arrangement in the below of described large component comprises:
Described second supporting section (32) is arranged on the below at the two ends of described large component, and described first supporting section (31) is arranged on the top of described second supporting section (32); And
Be fixedly connected with described first and support mount pad (31b) and described second support mount pad (32b).
5. the method for dismounting large component in high-altitude according to claim 4, wherein, the bottom of described first support post (31a) has outstanding Plug Division (31c) downwards, the top of described second support post (32a) has the dimple portion (32c) for holding described Plug Division (31c), the top described first supporting section (31) being arranged on described second supporting section (32) comprises Plug Division described in grafting (31c) and described dimple portion (32c), to make described first supporting section (31) and described second supporting section (32) relative positioning.
6. the method for the high-altitude dismounting large component according to claim 4 or 5, wherein, described method also comprises:
Assembly platform (33) is set on the top of described second supporting section (32), described first supporting section (31) is arranged on the top of described second supporting section (32); And
Operation platform (34) is set on the top of described first supporting section (31), to arrange jack (36) at the top of described first supporting section (31).
7. the method for dismounting large component in high-altitude according to claim 1, wherein, the step straining described large component at the two ends of the length direction of described large component comprises: arrange hoisting system (40) on the top of described two columns (50) respectively and strained the two ends of described large component by the cable wire (42) of described hoisting system (40).
8. the method for dismounting large component in high-altitude according to claim 1, wherein, described method comprises assists described hoist ceiling crane (20) to lift by crane described multiple part by auxiliary hoisting system (60).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110371571.2A CN103121625B (en) | 2011-11-21 | 2011-11-21 | Method for high altitude disassembly of large-scale part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110371571.2A CN103121625B (en) | 2011-11-21 | 2011-11-21 | Method for high altitude disassembly of large-scale part |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103121625A CN103121625A (en) | 2013-05-29 |
| CN103121625B true CN103121625B (en) | 2015-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110371571.2A Expired - Fee Related CN103121625B (en) | 2011-11-21 | 2011-11-21 | Method for high altitude disassembly of large-scale part |
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| CN (1) | CN103121625B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106315407B (en) * | 2015-06-29 | 2019-01-11 | 中国二十冶集团有限公司 | Ultra-large type crane girder slides method for dismounting in small space |
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| CN201046888Y (en) * | 2007-06-07 | 2008-04-16 | 宏润建设集团股份有限公司 | Bridge-dismantling hoisting device |
| CN101249927A (en) * | 2007-08-30 | 2008-08-27 | 中铁大桥局集团第一工程有限公司 | Mounting and dismounting method for gantry crane |
| CN101264845A (en) * | 2008-05-06 | 2008-09-17 | 首钢总公司 | Crown block high altitude integrated suspension transposition construction method |
| CN101284628A (en) * | 2008-05-30 | 2008-10-15 | 中冶京唐建设有限公司 | Hoisting method for framework of large tonnage pressing machine |
| CN101324055A (en) * | 2008-08-06 | 2008-12-17 | 中铁大桥局股份有限公司 | Lifting equipment and method of box girder integral steel reinforcement framework |
| CN101462672A (en) * | 2009-01-12 | 2009-06-24 | 武汉理工大学 | Big elevating capacity and big elevating height hoisting crane |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4922509B2 (en) * | 2001-08-13 | 2012-04-25 | 前田建設工業株式会社 | How to install a lifting machine |
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2011
- 2011-11-21 CN CN201110371571.2A patent/CN103121625B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201046888Y (en) * | 2007-06-07 | 2008-04-16 | 宏润建设集团股份有限公司 | Bridge-dismantling hoisting device |
| CN101249927A (en) * | 2007-08-30 | 2008-08-27 | 中铁大桥局集团第一工程有限公司 | Mounting and dismounting method for gantry crane |
| CN101264845A (en) * | 2008-05-06 | 2008-09-17 | 首钢总公司 | Crown block high altitude integrated suspension transposition construction method |
| CN101284628A (en) * | 2008-05-30 | 2008-10-15 | 中冶京唐建设有限公司 | Hoisting method for framework of large tonnage pressing machine |
| CN101324055A (en) * | 2008-08-06 | 2008-12-17 | 中铁大桥局股份有限公司 | Lifting equipment and method of box girder integral steel reinforcement framework |
| CN101462672A (en) * | 2009-01-12 | 2009-06-24 | 武汉理工大学 | Big elevating capacity and big elevating height hoisting crane |
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| CN103121625A (en) | 2013-05-29 |
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