CN211470599U - Auxiliary carrying pole beam for hoisting - Google Patents
Auxiliary carrying pole beam for hoisting Download PDFInfo
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- CN211470599U CN211470599U CN201922012760.5U CN201922012760U CN211470599U CN 211470599 U CN211470599 U CN 211470599U CN 201922012760 U CN201922012760 U CN 201922012760U CN 211470599 U CN211470599 U CN 211470599U
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Abstract
The utility model provides a hoisting auxiliary carrying pole beam, which comprises a beam body; the beam body is provided with two lifting lugs which are arranged in parallel along the length direction of the beam body at intervals and used for hooking hoisting equipment through a lifting rope so as to be hung on the hoisting equipment; the two ends of the beam body are provided with switching lifting lugs, each switching lifting lug is provided with a lifting chain, one end of each lifting chain is connected to the corresponding switching lifting lug, and the other end of each lifting chain is freely arranged, so that the lifting chains can droop from two sides of a building structure on the platform to be lifted so as to lift the platform to be lifted. The utility model discloses play the setting of two-layer lug about lug and the switching lug, reduce the hoist and mount angle, structural style's particularity has reached the dislocation to the space, has reduced the impact in the vision, has improved the factor of safety of field operation personnel when the height, has reduced the damage to hoist and mount machines and components, has protected the wholeness messenger of treating hanging the platform and has demolishd the operation more steady safety.
Description
Technical Field
The utility model relates to a steel construction dismouting technical field particularly, relates to a supplementary shoulder pole roof beam of hoist and mount.
Background
The steel structure consumption of the project is 4000 tons, and the project is divided into five independent cantilever structures and partial auxiliary structures. One cantilever has the total length of 48 meters, the width of 20 meters, the height from the ground of 76.4 meters and the steel consumption of 870 tons. Aiming at the long and high overhanging structure, firstly, a temporary platform is used for positioning, and then the structure is installed. The temporary platform needs to be integrally dismantled after the structure is installed. As shown in fig. 1, since the on-site building structure 2' is already installed, the temporary platform 1' is under the building structure 2', the on-site construction area is narrow, and the cross dislocation condition in space is more complicated, that is, the lifting hook is directly connected with the temporary platform 1' and the lifting point is over the building structure 2' according to the conventional operation, the rope 4' will pass through the permanent building structure 2' and collide with the rope 4', and the lifting machine 3' cannot rotate and shift, and cannot be unfolded for dismantling operation.
And the temporary platform is directly dismantled in situ, so that too many overhead tasks are required, the field environment is complex, the operators are not easy to operate, and the danger coefficient of the operators of field constructors is increased.
Disclosure of Invention
In view of this, the utility model provides a supplementary shoulder pole roof beam of hoist and mount aims at solving the problem that the rope passes permanent building structure and the rope bumps and leads to its unable operation when current hoist and mount machinery carries out interim platform and demolishs the operation.
The utility model provides a hoisting auxiliary carrying pole beam, which comprises a beam body; the beam body is provided with two lifting lugs which are arranged in parallel along the length direction of the beam body at intervals and used for hooking hoisting equipment through a lifting rope so as to be hung on the hoisting equipment; the two ends of the beam body are provided with switching lifting lugs, each switching lifting lug is provided with a lifting chain, one end of each lifting chain is connected to the corresponding switching lifting lug, and the other end of each lifting chain is freely arranged, so that the lifting chains can droop from two sides of a building structure on the platform to be lifted so as to lift the platform to be lifted.
Further, the beam body of the auxiliary lifting carrying pole beam is provided with a plurality of stiffening plates for reinforcing the strength of the beam body.
Further, in the auxiliary lifting carrying pole beam, the beam body is an i-beam, and the switching lifting lug and/or the stiffening plate are embedded in a U-shaped groove of the i-beam.
Furthermore, in the auxiliary carrying pole beam for hoisting, chamfers are arranged at two corners of the web plate of the I-beam, which are faced to the adapting lifting lug and/or the stiffening plate.
Further, in the auxiliary shoulder pole beam for hoisting, the stiffening plate is a square flat plate structure matched with the U-shaped groove.
Further, in the auxiliary shoulder pole beam for hoisting, the stiffening plate is arranged right below the lifting lug.
Further, in the auxiliary lifting carrying pole beam, the switching lifting lugs arranged at the end of the beam body are arranged on the same cross section of the beam body in a ground mode and used for lifting the four corners of the platform to be lifted.
Further, above-mentioned supplementary shoulder pole roof beam of hoist and mount, the switching lug includes: a right trapezoid portion and a square portion; the square part is arranged and connected to one side of the long bottom edge of the right trapezoid part, and the square part is provided with a switching lug hole for hanging a hanging chain.
Further, in the auxiliary lifting carrying pole beam, the two lifting lugs are arranged on the same longitudinal section of the beam body, and the lifting lugs are provided with lifting holes penetrating through the beam body in the thickness direction.
Further, in the auxiliary lifting carrying pole beam, the two lifting lugs are uniformly distributed on the top wall of the beam body along the length direction of the beam body.
The utility model provides a hoisting auxiliary shoulder pole beam, which is connected with a hoisting rope through two hoisting lugs on the beam body to be hoisted on hoisting equipment, so as to realize the connection between the shoulder pole beam and the hoisting equipment; through the switching lug at roof beam body both ends and the chain sling of hook on it for the chain sling can hang from building structure's the outside is flagging wait to hang the platform, and direct hoist and mount point carries out the space and shifts to the building both sides, has avoided chain sling and building structure's alternately, and then the rotation and the removal of the lifting device of being convenient for to change the hoist and mount angle, and then wait to hang the whole segmentation of platform and demolish, thereby the completion is waited to hang the operation of demolising of platform. Meanwhile, due to the arrangement of the upper lifting lug layer and the lower lifting lug layer of the lifting lug and the switching lifting lug layer of the lifting lug, the lifting angle is reduced, the structural style specificity achieves the dislocation to the space, the visual impact feeling is reduced, the safety coefficient of field operators at high altitude is improved, the damage to lifting machines and components is reduced, the integrity of the platform to be lifted is protected, and the dismantling operation is more stable and safe; and increased the hoist and mount stress point, the operation in-process can make the component atress even, lifts by crane the in-process more steady, can not produce phenomenons such as slide, unhook, fall, and protection chain sling that can be better, increase of service life.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
FIG. 1 is a schematic illustration of a prior art construction between a temporary platform and a building structure;
FIG. 2 is a schematic view of a prior art temporary platform being removed with a building structure colliding with a rope;
fig. 3 is a schematic structural view between an auxiliary carrying pole beam for hoisting and a hoisting device provided by the embodiment of the present invention;
fig. 4 is a schematic structural view of the auxiliary carrying pole beam for hoisting to hoist the platform to be hoisted according to the embodiment of the present invention;
fig. 5 is a schematic structural view of an auxiliary carrying pole beam for hoisting provided by an embodiment of the present invention;
fig. 6 is a schematic structural view of a lifting lug provided in an embodiment of the present invention;
FIG. 7 is a cross-sectional view taken along line A-A of FIG. 5;
fig. 8 is a schematic structural view of an adapter lug according to an embodiment of the present invention.
FIG. 9 is a cross-sectional view taken at B-B of FIG. 5;
fig. 10 is a schematic structural diagram of a stiffening plate according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 3 to 10, preferred structures of the auxiliary carrying pole beam for hoisting according to embodiments of the present invention are shown. As shown in the figure, the auxiliary lifting carrying pole beam comprises: the beam comprises a beam body 5, two lifting lugs 6 and a switching lug 7; wherein the content of the first and second substances,
the two lifting lugs 6 are arranged on the beam body 5, and the two lifting lugs 6 are arranged in parallel and at intervals along the length direction (the horizontal direction shown in fig. 5) of the beam body 5, and are used for hooking the hoisting equipment 3 through the hoisting rope 4 so as to be hoisted on the hoisting equipment 3. In particular, the beam body 5 may be a constant section beam to ensure overall stability. In order to ensure the stability of the hoisting device 3 for hoisting the beam body 5, preferably, the two hoisting lugs 6 are uniformly distributed on the top wall of the beam body 5 along the length direction of the beam body 5, that is, the two hoisting lugs 6 may be arranged at the trisection position of the top wall of the beam body 5. In order to improve the stability of the hoisting beam body 5, preferably, two of the hoisting lugs 6 are disposed on the longitudinal section (as shown in fig. 5, the horizontal direction is the longitudinal direction), and the hoisting lugs 6 are provided with hoisting holes 61 penetrating along the thickness direction (perpendicular to the paper surface direction in fig. 6) thereof for connecting the hoisting ropes 4 to be hung on the hoisting equipment 3 through the hoisting ropes 4, so as to realize the hoisting of the beam body 5, and further realize the integral hoisting of the shoulder pole beam. The lifting lug 6 can be of a flat plate structure, and is fixed on the top wall of the beam body 5 by welding, and can be fixed by other connection modes, and the embodiment is not limited in any way; and, the beam body 5 may be an i-beam having an i-shaped cross section.
The two ends of the beam body 5 are provided with switching lugs 7, each switching lug 7 is provided with a hanging chain 8, one end (the upper end shown in fig. 3) of each hanging chain is connected to the corresponding switching lug 7, and the other end (the lower end shown in fig. 3) of each hanging chain is freely arranged, so that the hanging chain 8 hangs down from the outer side of the building structure 2 on the platform 1 to be hung to hoist the platform 1 to be hung. Specifically, the hoist chain 8 hangs down from the periphery of the building structure 2, thereby avoiding the intersection between the hoist chain 8 and the building structure 2; the hoisting stability of the platform 1 to be hoisted is ensured, and preferably, four transfer lifting lugs 7 are arranged at two ends of the beam body 5 in a paired manner; further preferably, the two oppositely-arranged adapter lugs 7 are arranged on the same cross section (as shown in fig. 7) of the beam body 5, that is, the adapter lugs 7 arranged at the end of the beam body 5 are arranged oppositely on the same cross section of the beam body, so as to hoist the four corners of the platform 1 to be hoisted, that is, four position hanging chains 8 are provided through the two pairs of adapter lugs 7, so as to be respectively hung at the four corners of the platform 1 to be hoisted, that is, the four adapter lugs 7 are respectively hung at the four corners of the platform 1 to be hoisted through the hanging chains 8, so as to avoid the stability of the platform 8 to be hoisted when being hung. For the stability of improving hoist and mount, switching lug 7 with lift by crane dislocation set between the ear 3 to the lug that makes upper and lower two-layer dislocation passes through shaped steel main part transmission and makes the hoisting point convert into two by original one. The adapting lifting lug 7 can be of a plate-shaped structure and can be embedded in a U-shaped groove 51 of the beam body 5 of an I-beam structure so as to improve the connection stability between the adapting lifting lug 7 and the beam body 5, and meanwhile, the adapting lifting lug 7 serves to strengthen the strength of the beam body 5 by reinforcing ribs; the two can be connected by welding or other connection methods, and this embodiment is not limited to this. To facilitate the connection of the adapter lug 7, the adapter lug 7 is preferably provided with chamfers 71 at two corners (two corners on the right side as shown in fig. 8) of the web 52 of the i-beam. In order to avoid interference between the sling chain 8 and the i-beam, the adapting lug 7 is partially disposed outside the U-shaped groove 51, and the adapting lug hole 731 of the adapting lug 7 is disposed at the lower end of the portion outside the U-shaped groove 51 for connecting the sling chain 8, so that the sling chain 8 hangs down from both sides of the i-beam. Wherein, the adaptor lug 7 may include: a right-angled trapezoidal portion 72 and a square portion 73; in an embodiment, the square portion 73 is disposed and connected to one side (the lower side as shown in fig. 8) of the long bottom side of the right trapezoid portion 72, and the square portion 73 is provided with a through lug hole 731 for hanging the hanging chain 8, wherein the short top side of the right trapezoid portion 72 may be equal to the depth (the width in the horizontal direction as shown in fig. 7) of the U-shaped groove 51, so as to increase the connection area between the right trapezoid portion 72 and the flange plate 53 of the i-beam; the length of the square portion 73 (the length in the horizontal direction as shown in fig. 7) may be equal to the length of the bottom side of the right-angled trapezoidal portion 72 to enhance the strength of the two and ensure that the through-connection lug hole 731 is disposed at the lower end of the portion outside the U-shaped groove 51. The right trapezoid part 72 and the square part 73 may be integrally formed, and a rounded corner 732 may be disposed at an outer corner (a lower left corner shown in fig. 8) of the square part 73, so as to avoid stress concentration or scratching a worker.
In order to improve the stability of the beam body 5, preferably, the beam body 5 is provided with a plurality of stiffening plates 9 for reinforcing the strength of the beam body 5 so as to avoid the beam body 5 from being damaged by deformation and the like during hoisting. It is further preferable that the stiffener plate 9 is disposed right below the lifting lugs 6 to avoid stress concentration at the positions where the lifting lugs 6 are connected on the beam body 5. In specific implementation, the stiffening plate 9 may be a flat plate structure adapted to the U-shaped groove 51, and may be embedded in the U-shaped groove 51 to improve the connection stability between the stiffening plate 9 and the beam body 5 and to support the flange plate 53 of the beam body 5 to improve the strength of the beam body 5; the beam body 5 and the stiffening plate 9 may be connected by welding or by other connection methods, which is not limited in this embodiment. To facilitate the connection of the stiffener plates 9, the stiffener plates 9 are preferably provided with chamfers 91 at two corners (two corners on the left side as shown in fig. 10) of the web 52 of the i-beam. To ensure the stability of the beam body 5, the stiffening plates 9 may preferably be arranged symmetrically, and two stiffening plates 9 arranged symmetrically are arranged on the same cross section (plane as shown in fig. 9) of the beam body 5.
The working process is as follows:
firstly, checking whether cross operation exists in a field hoisting operation area, and constructing under the condition of meeting the safety construction requirement; then, the carrying pole beam is connected to a hoisting device 3 through a hoisting rope 4 and hoisted to the highest degree of the hoisting device 3, so that the length of a hanging chain 8 between the beam body 5 and the top of the building structure 2 is enough larger than the distance from the platform 1 to be hoisted to the top of the building structure 2, and the hoisting device 3 rotates to the position right above the building structure 2, so that the hanging chain 8 droops from the outer side of the building structure 2 and is tied with the platform 1 to be hoisted; and finally, detaching the connection between the platform 1 to be hung and the building structure 2, rotating the hoisting equipment 3 to slowly drop the hook until the platform 1 to be hung falls to the ground, removing the connection between the platform 1 to be hung and the lifting chain 8, and dropping the beam body 5 to the ground so as to remove the connection between the beam body 5 and the hanging rope 4 and finish the dismantling work.
In summary, the auxiliary carrying pole beam for hoisting provided by the embodiment is connected with the hoisting rope 4 through the two hoisting lugs 6 on the beam body 5 to be hoisted on the hoisting equipment 3, so as to realize the connection between the carrying pole beam and the hoisting equipment 3; through switching lug 7 at 5 both ends of roof beam body and the chain sling 8 of hook on it for chain sling 8 can hang from building structure 2's the outside is flagging treat to hang platform 1, and direct hoist and mount point carries out the space and shifts to the building both sides, has avoided chain sling 8 and building structure 2's intersection, and then the rotation and the removal of the lifting device 3 of being convenient for to change the hoist and mount angle, and then treat to hang platform 1's integral segment and demolish, thereby the completion is treated hanging platform's the operation of demolising. Meanwhile, due to the arrangement of the upper lifting lug layer and the lower lifting lug layer of the lifting lug 3 and the switching lifting lug 7, the lifting angle is reduced, the structural form specificity achieves the dislocation to the space, the visual impact feeling is reduced, the safety coefficient of field operators in high altitude is improved, the damage to lifting machines and components is reduced, the integrity of the platform 1 to be lifted is protected, and the dismantling operation is more stable and safe; and increased the hoist and mount stress point, the operation in-process can make the component atress even, lifts by crane the in-process more steady, can not produce phenomenons such as slide, unhook, fall, and protection chain sling that can be better, increase of service life.
It will be apparent to those skilled in the art that various changes and modifications may be made 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 and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A hoisting auxiliary carrying pole beam is characterized by comprising a beam body (5); wherein the content of the first and second substances,
the beam body (5) is provided with two lifting lugs (6) which are arranged in parallel along the length direction of the beam body (5) at intervals and are used for hooking the hoisting equipment (3) through a hoisting rope (4) so as to be hoisted on the hoisting equipment (3);
switching lugs (7) are arranged at two ends of the beam body (5), a hanging chain (8) is arranged on each switching lug (7), one end of each hanging chain is connected to the corresponding switching lug (7), and the other end of each hanging chain is freely arranged, so that the hanging chain (8) can droop from the outer side of the building structure (2) on the platform (1) to be hung to hoist the platform (1) to be hung.
2. The auxiliary pole beam for hoisting according to claim 1,
the beam body (5) is provided with a plurality of stiffening plates (9) for strengthening the strength of the beam body (5).
3. The auxiliary pole beam for hoisting according to claim 2,
the beam body (5) is an I-beam, and the switching lifting lugs (7) and/or the stiffening plates (9) are embedded in U-shaped grooves (51) of the I-beam.
4. Hoisting auxiliary carrying pole beam according to claim 3, characterized in that the adapter lugs (7) and/or the stiffening plates (9) are provided with chamfers at the two corners of the web (52) of the I-beam.
5. The auxiliary carrying pole beam for hoisting according to claim 3, wherein the stiffening plate (9) is a square flat plate structure matched with the U-shaped groove (51).
6. Hoisting auxiliary spreader beam according to claim 2, characterized in that the stiffener (9) is arranged directly below the lifting eye (6).
7. The auxiliary pole beam for hoisting according to any one of claims 1 to 6,
the transfer lifting lugs (7) arranged at the end parts of the beam body (5) are arranged on the same cross section of the beam body (5) in a ground mode and used for lifting the four corners of the platform (1) to be lifted.
8. Hoisting auxiliary spreader beam according to any of claims 1 to 6, wherein the adapter lug (7) comprises: a right-angled trapezoidal portion (72) and a square portion (73); wherein the content of the first and second substances,
the square part (73) is arranged and connected to one side of the long bottom side of the right trapezoid part (72), and the square part (73) is provided with a switching lug hole (731) for hanging a hanging chain (8).
9. The auxiliary pole beam for hoisting according to any one of claims 1 to 6,
the two lifting lugs (6) are arranged on the same longitudinal section of the beam body (5), and the lifting lugs (6) are provided with lifting holes (61) penetrating in the thickness direction of the lifting lugs.
10. Hoisting auxiliary carrying pole beam according to any one of claims 1 to 6, characterized in that two lifting lugs (6) are evenly distributed on the top wall of the beam body (5) along the length direction of the beam body (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922012760.5U CN211470599U (en) | 2019-11-20 | 2019-11-20 | Auxiliary carrying pole beam for hoisting |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922012760.5U CN211470599U (en) | 2019-11-20 | 2019-11-20 | Auxiliary carrying pole beam for hoisting |
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| Publication Number | Publication Date |
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| CN211470599U true CN211470599U (en) | 2020-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922012760.5U Active CN211470599U (en) | 2019-11-20 | 2019-11-20 | Auxiliary carrying pole beam for hoisting |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114737816A (en) * | 2022-04-22 | 2022-07-12 | 中国建筑第二工程局有限公司 | Mast dismantling method for lifting high-altitude operation platform by adopting carrying pole beam |
| CN114809571A (en) * | 2022-04-22 | 2022-07-29 | 中国建筑第二工程局有限公司 | Method for lifting high-altitude operation platform by adopting carrying pole beam |
-
2019
- 2019-11-20 CN CN201922012760.5U patent/CN211470599U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114737816A (en) * | 2022-04-22 | 2022-07-12 | 中国建筑第二工程局有限公司 | Mast dismantling method for lifting high-altitude operation platform by adopting carrying pole beam |
| CN114809571A (en) * | 2022-04-22 | 2022-07-29 | 中国建筑第二工程局有限公司 | Method for lifting high-altitude operation platform by adopting carrying pole beam |
| CN114737816B (en) * | 2022-04-22 | 2023-07-28 | 中国建筑第二工程局有限公司 | Mast dismantling method for lifting high-altitude operation platform by adopting shoulder pole beam |
| CN114809571B (en) * | 2022-04-22 | 2023-09-19 | 中国建筑第二工程局有限公司 | Method for lifting high-altitude operation platform by adopting shoulder pole beam |
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