CN212641755U - Integral lifting top-down construction system for multi-channel connected truss - Google Patents
Integral lifting top-down construction system for multi-channel connected truss Download PDFInfo
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- CN212641755U CN212641755U CN202020775806.9U CN202020775806U CN212641755U CN 212641755 U CN212641755 U CN 212641755U CN 202020775806 U CN202020775806 U CN 202020775806U CN 212641755 U CN212641755 U CN 212641755U
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Abstract
The utility model provides an integral lifting reverse construction system of a multi-channel conjoined truss, which adopts a vertical guide rail, a slide block, a lifting mechanism, a steel strand and a top truss, wherein the vertical guide rail is respectively arranged at the opposite side of an adjacent building structure along a lifting route, the top of two adjacent building structures is respectively provided with a top truss, the top truss is respectively provided with a lifting mechanism, the lifting mechanism is connected with the corresponding end of the top of the multi-channel conjoined truss through the steel strand, the two sides of the multi-channel conjoined truss are respectively provided with a slide block matched with the corresponding vertical guide rail, the multi-channel conjoined truss is assembled on the ground in advance, the safety risk of air welding assembly is reduced, the accurate positioning between the inner galleries of the multi-channel conjoined truss is improved, because the multi-channel conjoined truss vertically upwards runs along the vertical guide rail, the multi-channel conjoined truss, the accurate connection between the multiple connected trusses and the two adjacent building structures is realized, the installation quality is effectively improved, and the construction period is reasonably shortened.
Description
Technical Field
The utility model relates to a steel construction installation technical field, in particular to multichannel disjunctor truss integral lifting does construction system in the contrary direction.
Background
At present, a multi-channel conjoined steel truss construction process is that a formwork support frame of an assembly construction floor is firstly erected, and then hoisting, positioning, welding and assembling of each component to final forming are carried out on the assembly construction floor by using construction site hoisting equipment.
SUMMERY OF THE UTILITY MODEL
In order to overcome the actual problem and the shortcoming that above-mentioned prior art exists, the utility model provides a construction system is done in reverse in whole promotion of multichannel disjunctor truss through will assembling in advance on ground the whole guide rail that promotes to the installation floor along, has realized the safe accurate installation of multichannel disjunctor truss, guarantees going on smoothly of engineering.
The utility model provides a technical scheme that its technical problem adopted is:
a multi-channel conjoined truss integral lifting reverse construction system is used for integrally lifting and installing a plurality of conjoined trusses assembled in advance on the ground between two adjacent building structures to form a corridor of each floor, and comprises a vertical guide rail, a sliding block, a lifting mechanism, a steel strand and a top truss, the vertical guide rails are respectively arranged on the opposite sides of the adjacent building structures along the lifting route, the top parts of the two adjacent building structures are respectively provided with a top truss, the top trusses are respectively provided with the lifting mechanisms, the lifting mechanisms are connected with the corresponding ends of the tops of the plurality of connected trusses through steel strands, the two sides of the multiple connected trusses are respectively provided with a sliding block matched with the corresponding vertical guide rail, and the multiple connected trusses can move up and down along the vertical guide rails on the two sides under the action of the lifting mechanism and can be installed at the appointed height position of the two adjacent building structures.
Preferably, in the above-mentioned multi-connected truss integral lifting reverse construction system, the lifting mechanism includes a lifter, a lifting column, a transverse lifting beam, a weight block and an anchor ear, the weight block is fixed on the upper chord of the top truss through the anchor ear, the lifting column is vertically arranged on the anchor ear at the upper side of the top of the weight block, the joint of the lifting column and the anchor ear is close to the outer side end of the weight block, one end of the transverse lifting beam is fixedly connected to the top of the lifting column, the other end of the transverse lifting beam is overhung outwards and arranged on the lifter, and the lifter lifts the multi-connected truss through a steel strand.
Preferably, in the above-mentioned multi-connected truss integral lifting top-down construction system, the lifting mechanism further includes a first inclined strut, one end of the first inclined strut is fixedly connected to the other end of the transverse lifting beam, and the other end of the first inclined strut is mounted at the lower end of the lifting column.
Preferably, in the above-mentioned multi-connected truss integral lifting reverse construction system, the lifting mechanism further includes a second inclined strut, one end of the second inclined strut is fixedly connected to one end of the transverse lifting beam, and the other end of the second inclined strut is installed on the top of the weight block on the side away from the lifter.
Preferably, in the above-mentioned multi-connected truss integral lifting top-down construction system, the lifting mechanism further includes a third inclined strut, one end of the third inclined strut is fixedly connected to the other end of the transverse lifting beam, and the other end of the third inclined strut is mounted on the weight block.
Preferably, in the above-mentioned integral lifting top-down construction system for the multi-channel connected trusses, the multi-channel connected trusses include a roof truss and a plurality of single-layer corridor trusses, and the plurality of single-layer corridor trusses are sequentially arranged below the roof truss at intervals through two pairs of vertical pull rods.
Preferably, in the above-mentioned multi-connected truss integrally-hoisting top-working construction system, a pair of vertical plates is arranged on the upper chord of the roof truss, a horizontal plate is fixedly arranged at the top of the pair of vertical plates, and a through hole serving as a hoisting point on the multi-connected truss is arranged in the middle of the horizontal plate.
Preferably, in the above-mentioned multi-connected truss integral lifting top-down construction system, a pair of the vertical guide rails is respectively disposed on opposite sides of the building structure.
Compared with the prior art, the utility model discloses profitable technological effect lies in:
the utility model provides a multichannel disjunctor truss integral lifting does construction system in reverse adopts vertical guide rail, slider, hoist mechanism, steel strand wires and top truss, sets up one respectively along promoting the route at adjacent building structure opposite side vertical guide rail, the top of double-phase adjacent building structure is equipped with one respectively the top truss, be equipped with one on the top truss respectively hoist mechanism, hoist mechanism pass through the corresponding end at the top that steel strand wires connect multichannel disjunctor truss, the both sides of multichannel disjunctor truss are equipped with respectively with the vertical guide rail assorted slider that corresponds, multichannel disjunctor truss assembles back whole hoist and mount in advance on ground, reduce aerial welding and assemble safety risk and promoted the accurate location between the inside vestibule of multichannel disjunctor truss, assemble multichannel disjunctor truss after accomplishing and can reciprocate and can install in the appointed height position of double-phase adjacent building structure along the vertical guide rail of both sides under hoist mechanism's effect Put the vestibule that forms each floor, because the vertical operation that makes progress of vertical guide rail is followed to multichannel disjunctor truss, avoid promoting in-process multichannel disjunctor truss and produce horizontal displacement, realized multichannel disjunctor truss and the accurate connection of double-phase adjacent building structure, effectively improve the installation quality, rationally shorten construction period.
Drawings
Fig. 1 is a schematic structural view of an overall lifting top-down construction system of a multi-channel connected truss according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a multi-channel connected truss according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a lifting mechanism according to an embodiment of the present invention;
fig. 4 is a schematic view of a lifting hole of a multi-channel connected truss according to an embodiment of the present invention;
in the figure, 1-building structure, 2-vertical guide rail, 3-sliding block, 4-lifting mechanism, 41-lifter, 42-lifting upright post, 43-horizontal lifting beam, 44-weight block, 45-anchor ear, 46-first inclined strut, 47-second inclined strut, 48-third inclined strut, 5-steel strand, 6-top truss, 7-multi-channel connected truss, 71-roof truss, 72-single-layer corridor truss, 73-vertical pull rod, 721-upper chord, 8-vertical plate, 9-horizontal plate and 10-lifting hole.
Detailed Description
The following description will be made in detail with reference to the accompanying drawings and specific embodiments for the construction method of the multi-channel conjoined truss integral lifting reverse construction provided by the present invention. The advantages and features of the present invention will become more apparent from the following description. The technical contents and features of the present invention will be described in detail below with reference to the accompanying drawings by way of examples. It should be further noted that the drawings are in simplified form and are not to precise scale, and are provided for the purpose of facilitating and clearly explaining the embodiments of the present invention. For convenience of description, the directions of "up" and "down" in the following description are the same as the directions of "up" and "down" in the drawings, but this should not be construed as limiting the technical solution of the present invention.
Referring to fig. 1 to 4, the embodiment provides an integral lifting reverse construction system for multiple connected trusses, which is used for integrally lifting and installing multiple connected trusses 7 pre-assembled on the ground between two adjacent building structures 1 to form a corridor of each floor, and includes vertical guide rails 2, sliders 3, lifting mechanisms 4, steel strands 5 and top trusses 6, wherein the vertical guide rails 2 are respectively arranged on opposite sides of the adjacent building structures 1 along lifting routes, the top trusses 6 are respectively arranged on tops of the two adjacent building structures 1, the lifting mechanisms 4 are respectively arranged on the top trusses 6, the lifting mechanisms 4 are connected with corresponding ends of tops of the multiple connected trusses 7 through the steel strands 5, the sliders 3 matched with the corresponding vertical guide rails 2 are respectively arranged on two sides of the multiple connected trusses 7, and the multiple connected trusses 7 can move up and down along the vertical guide rails 2 on the two sides under the action of the lifting mechanisms 4 and can be installed on the vertical guide rails 2 on the two sides and can be installed At a given height position of two adjacent building structures 1.
The utility model provides a pair of multichannel disjunctor truss integral lifting does construction system in reverse adopts vertical guide rail 2, slider 3, hoist mechanism 4, steel strand wires 5 and top truss 6, sets up one respectively along the lifting route at 1 opposite side of adjacent building structure vertical guide rail 2, the top of double-phase adjacent building structure 1 is equipped with one respectively top truss 6, be equipped with one on the top truss 6 respectively hoist mechanism 4, hoist mechanism 4 pass through the corresponding end at the top that multichannel disjunctor truss 7 is connected to steel strand wires 5, multichannel disjunctor truss 7's both sides are equipped with respectively and correspond vertical guide rail 2 assorted slider 3, multichannel disjunctor truss 7 assembles back whole hoist and mount in advance on ground, reduces aerial welding and assembles the safety risk and promoted the accurate location between the inside vestibule of multichannel disjunctor truss 7, assembles multichannel disjunctor truss 7 after accomplishing and can be under hoist mechanism 4's effect along the vertical guide rail of both sides 2 reciprocate and can install in the vestibule that forms each floor on the appointed altitude position of double-phase adjacent building structure 1, because the vertical upwards operation of vertical guide rail 2 of multichannel disjunctor truss 7 edge avoids promoting in-process multichannel disjunctor truss 7 and produces horizontal displacement, realized multichannel disjunctor truss 7 and double-phase adjacent building structure 1's accurate being connected, effectively improve multichannel disjunctor truss 7's installation accuracy, rationally shorten construction period.
Preferably, in the above-mentioned overall lifting reverse construction system for the multi-channel connected truss, the lifting mechanism 4 includes a lifter 41, a lifting column 42, a transverse lifting beam 43, a weight 44 and an anchor ear 45, the weight 44 is fixed on the upper chord 721 of the top truss 6 through the anchor ear 45, in order to realize the lifting construction for the multi-channel connected truss 7, the stability of the lifting mechanism 4 is improved, the lifting column 42 is vertically arranged on the anchor ear 45 on the upper side of the top of the weight 44, the joint of the lifting column 42 and the anchor ear 45 is close to the outer side end of the weight 44, one end of the transverse lifting beam 43 is fixedly connected to the top of the lifting column 42, the other end of the transverse lifting beam 43 is cantilevered outwards and provided with the lifter 41, and the lifter 41 lifts the multi-channel connected truss 7 through the steel strand 5.
Preferably, in the above-mentioned multi-connected truss integral lifting top-down construction system, the lifting mechanism further includes a first inclined strut 46, a second inclined strut 47 and a third inclined strut 48, one end of the first inclined strut 46 is fixedly connected to the other end of the transverse lifting beam 43, the other end of the first inclined strut 46 is mounted at the lower end of the lifting column 42, one end of the second inclined strut 47 is fixedly connected to one end of the transverse lifting beam 43, the other end of the second inclined strut 47 is mounted at the side of the top of the weight block 44 far away from the lifter 41, one end of the third inclined strut 48 is fixedly connected to the other end of the transverse lifting beam 43, and the other end of the third inclined strut 48 is mounted on the weight block 44. By providing a first diagonal brace 46, a second diagonal brace 47 and a third diagonal brace 48, the stability of the hoisting mechanism 4 can be further increased.
Preferably, in the above-mentioned multi-connected truss integral lifting top-down construction system, the multi-connected truss 7 includes a roof truss 71 and a plurality of single-layer gallery trusses 72, the plurality of single-layer gallery trusses 72 are sequentially arranged below the roof truss 71 at intervals through two pairs of vertical pull rods 73, and each single-layer gallery truss 72 is used as a gallery structure of a floor for two building structures 1.
Preferably, in the above-mentioned multi-connected truss integral lifting reverse construction system, the pair of vertical guide rails 2 is respectively arranged on the opposite sides of the building structure 1, so that the multi-connected truss 7 can be stably lifted.
For stable connection between the steel strand 5 and the multiple connected trusses 7 and stable hoisting of the multiple connected trusses 7, preferably, in the above-mentioned multiple connected truss overall hoisting reverse construction system, a pair of vertical plates is arranged on the upper chord 721 of the roof truss 71, a horizontal plate 9 is fixedly arranged at the top of the pair of vertical plates 8, and a hoisting hole 10 serving as a hoisting point on the multiple connected trusses 7 is arranged in the middle of the horizontal plate 9.
Referring to fig. 1 to 4, the application method of the multi-channel connected truss integral lifting reverse construction system of the present invention includes:
firstly, paying off at a construction site to integrally assemble a plurality of connected trusses 7;
secondly, temporarily reinforcing the adjacent building structures 1 by considering the load of the lifted multi-channel connected trusses 7 in the ascending operation through counter-force calculation;
determining the number and the positions of lifting points of a plurality of connected trusses 7 according to the actual conditions of the engineering, respectively arranging top trusses 6 on adjacent building structures 1, respectively arranging lifting mechanisms 4 on the top trusses 6, lifting the plurality of connected trusses 7 by a lifter 41 through steel strands 5, arranging a pair of vertical guide rails 2 on opposite faces of the adjacent building structures 1 along a lifting route, and arranging slide blocks 3 matched with the corresponding vertical guide rails 2 on two sides of the integrally assembled plurality of connected trusses 7;
step four, the lifting mechanism 4 drives the plurality of connected trusses 7 to stably ascend along the vertical guide rail 2;
and step five, after the plurality of connected trusses 7 are lifted to the design position, the roof truss 71 of the plurality of connected trusses 7 is connected with the top truss 6 through high-strength bolts, and each single-layer corridor truss 72 of the plurality of connected trusses 7 is connected with the corresponding floor of the building structure 1.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and any modification and modification made by those skilled in the art according to the above disclosure are all within the scope of the claims.
Claims (8)
1. A multi-channel conjoined truss integral lifting reverse construction system is used for integrally lifting and installing a plurality of conjoined trusses assembled in advance on the ground between two adjacent building structures to form a corridor of each floor, it is characterized by comprising a vertical guide rail, a sliding block, a lifting mechanism, a steel strand and a top truss, the vertical guide rails are respectively arranged on the opposite sides of the adjacent building structures along the lifting route, the top parts of the two adjacent building structures are respectively provided with a top truss, the top trusses are respectively provided with the lifting mechanisms, the lifting mechanisms are connected with the corresponding ends of the tops of the plurality of connected trusses through steel strands, the two sides of the multiple connected trusses are respectively provided with a sliding block matched with the corresponding vertical guide rail, and the multiple connected trusses can move up and down along the vertical guide rails on the two sides under the action of the lifting mechanism and can be installed at the appointed height position of the two adjacent building structures.
2. The multi-channel connected truss integral lifting reverse construction system according to claim 1, wherein the lifting mechanism comprises a lifter, a lifting upright, a transverse lifting beam, a weight block and an anchor ear, the weight block is fixed on an upper chord of the top truss through the anchor ear, the lifting upright is vertically arranged on the anchor ear on the upper side of the top of the weight block, the joint of the lifting upright and the anchor ear is close to the outer side end of the weight block, one end of the transverse lifting beam is fixedly connected to the top of the lifting upright, the other end of the transverse lifting beam is cantilevered outwards and provided with the lifter, and the lifter lifts the multi-channel connected truss through a steel strand.
3. The multi-channel conjoined truss integral lifting reverse construction system according to claim 2, wherein the lifting mechanism further comprises a first inclined strut, one end of the first inclined strut is fixedly connected with the other end of the transverse lifting beam, and the other end of the first inclined strut is installed at the lower end of the lifting upright column.
4. The multi-channel conjoined truss integral lifting reverse construction system according to claim 2, wherein the lifting mechanism further comprises a second inclined strut, one end of the second inclined strut is fixedly connected with one end of the transverse lifting beam, and the other end of the second inclined strut is installed on the top of the weight block on the side far away from the lifter.
5. The multi-channel conjoined truss integral lifting reverse construction system according to claim 2, wherein the lifting mechanism further comprises a third inclined strut, one end of the third inclined strut is fixedly connected with the other end of the transverse lifting beam, and the other end of the third inclined strut is mounted on the weight block.
6. The multi-channel connected truss integral lifting top-down construction system according to claim 1, wherein the multi-channel connected truss comprises a roof truss and a plurality of single-layer corridor trusses, and the single-layer corridor trusses are sequentially arranged below the roof truss at intervals through two pairs of vertical pull rods.
7. The multi-channel connected truss integral lifting reverse construction system according to claim 6, wherein a pair of vertical plates are arranged on the upper chord of the roof truss, a horizontal plate is fixedly arranged at the top of the pair of vertical plates, and a through hole used as a lifting point on the multi-channel connected truss is arranged in the middle of the horizontal plate.
8. The multi-channel conjoined truss integrated lifting reverse construction system as claimed in claim 1, wherein a pair of the vertical guide rails is respectively provided at opposite sides of the building structure.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020775806.9U CN212641755U (en) | 2020-05-12 | 2020-05-12 | Integral lifting top-down construction system for multi-channel connected truss |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020775806.9U CN212641755U (en) | 2020-05-12 | 2020-05-12 | Integral lifting top-down construction system for multi-channel connected truss |
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| CN212641755U true CN212641755U (en) | 2021-03-02 |
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| CN202020775806.9U Active CN212641755U (en) | 2020-05-12 | 2020-05-12 | Integral lifting top-down construction system for multi-channel connected truss |
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