CN106006301B - A kind of Super High construction elevator high-altitude conversion servicing unit and construction method - Google Patents

Abstract

The invention discloses an auxiliary device for high-altitude conversion of a super high-rise construction elevator and a construction method. beams and fixed beams; the special standard section is installed at the location of the elevator standard section on the floor to be converted from high altitude, and the additional base layer is set on the next floor of the construction floor to be converted from high altitude; one end of the special standard section is connected to the transfer beam, and the other The other end is connected with the fixed beam. The high-altitude conversion auxiliary device for super high-rise construction elevators provided by the present invention has a reasonable structure, is stable and reliable; the construction method provided by the present invention is safe and efficient, and the construction party can hand over the elevator shaft to the elevator construction party in sections, and insert the construction in advance, which is effective Ensure the completion of the official elevator, and the construction elevator after the high-altitude conversion can also effectively meet the vertical transportation capacity of the on-site construction.

Description

A super-high-rise construction elevator high-altitude conversion auxiliary device and construction method

technical field

The invention relates to the technical field of super high-rise building construction, in particular to a super high-rise construction elevator high-altitude conversion auxiliary device and a construction method.

Background technique

With the development of super high-rise buildings, there are often shuttle elevators that run through the entire building. Due to the high building height of super high-rise buildings and the long elevator shaft, the formal elevator construction period is too long. At the same time, due to the limitation of building construction characteristics, the construction elevators arranged in other shafts are not as high as the utilization rate of the shafts occupied by shuttle elevators. From the perspective of green building, the general construction party will formally shuttle the elevator shaft as the main transportation channel for materials. Therefore, there is a certain contradiction between the material transportation needs of the construction site and the satisfaction of the completion node of the formal shuttle elevator. At present, the following measures are generally adopted at the construction site of super high-rise buildings: either remove the construction elevator in advance, increase the capacity of other vertical transportation equipment, and share the transportation tasks of the construction elevator; Completion node of the shuttle elevator. The above measures to solve the problem not only consume a lot of manpower, financial and material resources, but also have the risk of delaying the overall construction progress.

Contents of the invention

The purpose of the present invention is to address the above technical problems, to provide a high-altitude transfer auxiliary device for super high-rise construction elevators with reasonable structure and reliable performance, which can effectively solve the contradiction between the vertical transportation requirements of super high-rise construction sites and the completion nodes of official shuttle elevators, and save energy , reduce construction costs. The construction method provided by the invention is safe and efficient. The construction party can hand over the elevator shaft to the elevator construction party in sections, and insert the construction in advance to effectively ensure the completion of the formal elevator. At the same time, the construction elevator after high-altitude conversion can also effectively meet the requirements of the site. Construction vertical transport capacity.

Technical scheme of the present invention:

In order to solve the above technical problems, the present invention provides an auxiliary device for high-altitude conversion of super high-rise construction elevators. Beam support, fixed beam, fixed beam support; the special standard section is installed at the position where the elevator standard section of the construction floor to be converted from high altitude is located, and the additional base layer is set on the next floor of the construction floor to be converted from high altitude; one end of the special standard section is connected to the transfer Beam connection, the other end of which is connected with the fixed beam; the bottom of the transfer beam is fixed on the core tube floor, and the bottom of the transfer beam close to the special standard section is fixed on the side wall of the core tube floor through the transfer beam support; the fixed beam is fixed On the side wall of the elevator shaft, the bottom of the fixed beam close to the special standard section is fixed on the side wall of the elevator shaft through the support of the fixed beam; a certain number of elevator standard sections are reserved between the additional foundation layer and the conversion foundation steel beam.

Further, the special standard sections include horizontal I-beams, vertical I-beams, bent channel steels, racks, ribs, fixing plates and elevator standard sections; Steel and bent channel steel are welded on the left and right sides of the elevator standard section, the rack is welded on the front and rear sides of the elevator standard section, the rib plate is welded between the horizontal I-beam and the vertical I-beam, and the fixing plate is welded on the vertical I-beam. To the side of the I-beam.

Further, the transfer beam includes a transfer beam assembly, a vertical channel steel and a transfer beam connecting plate; the vertical channel steel is welded between a pair of transfer steel beam assemblies, and the transfer beam connecting plate is welded on Transfer the sides of the steel beam assembly.

Further, the fixed beam includes a fixed steel beam component, a vertical channel steel and a fixed beam connecting plate; the vertical channel steel is welded between a pair of fixed steel beam components, and the fixed beam connecting plate is welded on the fixed steel beam component side.

Further, one end of the additional base layer is fixed on the embedded part on the side wall of the elevator shaft, and the other end is fixed on the embedded part of the core tube floor of the next layer of the high-altitude transfer layer; the additional base layer is mainly composed of two It is composed of H-shaped steel beams.

The construction method for the high-altitude conversion of the construction elevator using the above-mentioned super-high-rise construction elevator high-altitude conversion auxiliary device comprises the following steps:

S1: The special standard section is installed at the position where the elevator standard section of the construction floor to be converted from high altitude is located;

S2: When the construction of the core tube floor slab exceeds the construction floor to be converted from high altitude, start the conversion of the foundation steel beam construction, fix the bottom of the transfer beam to the embedded parts on the construction floor to be converted from high altitude; fix the fixed beam to the elevator shaft On the embedded parts on the side wall;

S3: Fix the fixed plates on both sides of the special standard section with the connecting plate of the transfer beam and the connecting plate of the fixed beam respectively with bolts; transfer the construction elevator cage above the construction floor to be converted from high-altitude, and set it on the construction floor to be converted from high-altitude Lower limit;

S4: Set up protection on the steel beam floor of the conversion foundation according to the core shaft shaft scheme;

S5: Set up an additional base layer on the next floor of the construction floor to be converted from height to altitude, and set up protection on the opposite shaft of the same floor;

S6: cut off the elevator standard section below the additional base layer, and unload all the loads on the converted base steel beam;

S7: Use the transition device to weld the lower end of the elevator standard section adjacent to the additional base layer to the upper end surface of the additional base layer; the transition device includes an arc-shaped plate and a connecting pipe, and the arc-shaped plate wraps the lower end of the support column of the elevator standard section, The connecting pipe is welded between the curved plate and the additional base layer.

S8: Check and accept the construction situation of the high-altitude conversion, resume the operation of the construction elevator above the construction floor of the high-altitude conversion; dismantle the elevator standard section below the additional base layer, and erect a protective layer on the layer below the additional base layer, and hand it over to the elevator construction party for construction .

Beneficial effects of the present invention:

The invention provides a super-high-rise construction elevator high-altitude conversion auxiliary device, which has a reasonable structure and reliable performance, effectively solves the contradiction between the vertical transportation demand of the super-high-rise construction site and the formal completion node of the shuttle elevator, saves energy, and reduces construction costs. The construction method provided by the invention is safe and efficient. The construction party can hand over the elevator shaft to the elevator construction party in sections, and insert the construction in advance to effectively ensure the completion of the formal elevator. At the same time, the construction elevator after high-altitude conversion can also effectively meet the requirements of the site Construction vertical transport capacity.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the structural representation of the special standard section of the present invention;

Fig. 3 is a structural schematic diagram of an adapter beam of the present invention;

Fig. 4 is the structural representation of fixed beam of the present invention;

Figure 5 is a top view of the additional base layer of the present invention;

Fig. 6 is a schematic diagram of the way of safety rope when the construction elevator is cut off;

Fig. 7 is the top view of the way of safety rope when the construction elevator is cut off;

Figure 8 is a partial enlarged view of the additional base layer of the present invention;

Fig. 9 is a schematic diagram of removing a standard section of an elevator.

in:

1. Elevator standard section, 2. Special standard section, 3. Transfer beam, 4. Transfer beam support, 5. Fixed beam, 6. Fixed beam support, 7. Additional base layer, 8. Protective layer, 2-1 .Horizontal I-beam, 2-2. Vertical I-beam, 2-3. Bending channel steel, 2-4. Rack, 2-5. Rib plate, 2-6. Fixed plate, 9. Snap ring , 10. Safety rope, 11. Fixing bolt, 12. Hanging wheel support plate, 13. Protective railing, 14. Hoist, 15. Steel springboard temporary channel, 16. Towing rope, 17. Arc plate, 18. Connecting pipe.

detailed description

A kind of super-high-rise construction elevator high-altitude conversion auxiliary device and construction method of the present invention will be described in detail below in conjunction with specific embodiments and accompanying drawings:

A high-altitude conversion auxiliary device for a super high-rise construction elevator shown in Figure 1 includes a special standard section 2, a conversion base steel beam and an additional base layer 7, wherein the conversion base steel beam includes an adapter beam 3, an adapter beam support 4, and a fixed beam 5. Fixed beam support 6; the special standard section 2 is installed at the position where the elevator standard section 1 of the construction floor to be converted from high altitude is located, and the additional base layer 7 is set on the next floor of the construction floor to be converted from high altitude; one end of the special standard section 2 is connected to the elevator The connecting beam 3 is connected, the other end of which is connected with the fixed beam 5; the bottom of the transfer beam 3 is fixed on the construction floor to be converted from high altitude, and the bottom of the transfer beam 3 close to the special standard section 2 is fixed on the construction floor by the transfer beam support 4 The side wall of the floor; the fixed beam 5 is fixed on the side wall of the elevator shaft, and the bottom of the fixed beam 5 close to the special standard section 2 is fixed on the side wall of the elevator shaft through the fixed beam support 6; Reserve a certain number of elevator standard sections 1.

Fig. 2 is a structural schematic diagram of a special standard section of the present invention, which includes a horizontal I-beam 2-1, a vertical I-beam 2-2, a bent channel steel 2-3, a rack 2-4, and a rib plate 2-5 , fixed plate 2-6, and elevator standard section 1; wherein, horizontal I-beam 2-1, vertical I-beam 2-2, and bent channel steel 2-3 are welded on the left and right sides of elevator standard section 1, and the teeth Bar 2-4 is welded on the front and rear sides of the elevator standard section 1, the rib plate 2-5 is welded between the horizontal I-beam 2-1 and the vertical I-beam 2-2, and the fixing plate 2-6 is welded on the vertical The side of the I-beam 2-2.

Fig. 3 is the structure schematic diagram of transfer beam of the present invention, and it comprises transfer steel beam assembly 3-1, vertical channel steel 3-2 and transfer beam connecting plate 3-3; Vertical channel steel 3-2 is welded in a Between the transfer steel beam assembly 3-1, the transfer beam connecting plate 3-3 is welded on the side of the transfer steel beam assembly 3-1; the transfer steel beam assembly 3-1 is mainly welded by H-shaped steel beam become.

Fig. 4 is the structural representation of fixed beam of the present invention, and it comprises fixed steel beam assembly 5-1, vertical channel steel 3-2 and fixed beam connecting plate 5-2; Vertical channel steel 3-2 is welded on a pair of fixed steel Between the beam components 5-1, the fixed beam connecting plate 5-2 is welded on the side of the fixed steel beam component 5-1; the fixed steel beam component 5-1 is mainly made of tailor-welded H-shaped steel beams.

Fig. 5 is the top view of the additional base layer of the present invention, one end of which is fixed on the embedded part on the side wall of the elevator shaft, and the other end is fixed on the embedded part of the next layer of the high-altitude conversion layer; the additional base layer 7 is mainly composed of It consists of two H-shaped steel beams.

The construction method for the high-altitude conversion of the construction elevator using the above-mentioned super-high-rise construction elevator high-altitude conversion auxiliary device includes the following steps. In combination with this embodiment, the specific construction steps are described in detail:

S1: The special standard section 2 is installed at the position where the elevator standard section 1 of the construction floor LN to be converted from high altitude is located.

In this step, the special standard section 2 is heightened along with the standard section of the elevator, and installed at the position where the standard section 1 of the elevator to be converted to the construction floor is located.

S2: When the construction of the core tube floor slab exceeds the construction floor to be converted from high altitude, start to convert the foundation steel beam construction, fix the bottom of the transfer beam 3 on the embedded parts on the construction floor to be converted from high altitude; fix the fixed beam 5 to the elevator On the embedded parts on the side wall of the well;

When this step is implemented, it is necessary to select the appropriate time for the elevator to be added to the standard section 1 of the elevator.

S3: Fix the fixed plates 2-6 on both sides of the special standard section 2 with the connecting plate 3-3 of the transfer beam and the connecting plate 5-2 of the fixed beam respectively with bolts; transfer the construction elevator cage to the construction floor to be converted from high altitude above, and set the lower limit on the construction floor to be converted from high to low.

S4: Set up protection on the steel beam floor of the conversion foundation according to the core shaft shaft scheme.

S5: Build an additional foundation layer 7 on LN-1, and build protection on the opposite shaft of the same layer.

S6: Cut off the elevator standard section below LN-1, and unload all the loads on the steel beams of the conversion foundation.

In this step, the standard section of the construction elevator needs to be fixed with a safety rope. Figure 6 is a schematic diagram of how the safety rope is used when the construction elevator is cut off. The snap ring 9 is fixed on the side wall of LN+3, and a pair of fixing bolts 11 are fixed on the standard section of the elevator. 1, the safety rope 10 connects the snap ring 9 and the fixing bolt 11, and Fig. 7 is a top view of the safety rope way when the construction elevator is cut off. Use the safety rope 10 to fix the standard section of the construction elevator, and improve the safety of the operation of the standard section of the elevator below the cut-off LN-1.

S7: Weld the lower end of the elevator standard section adjacent to the additional base layer 7 to the upper end surface of the additional base layer 7 using a transition device.

In this step, the transition device includes an arc-shaped plate 17 and a connecting pipe 18. The arc-shaped plate 17 wraps the lower end of the support column of the elevator standard section 1, and the connecting pipe 18 is welded between the arc-shaped plate 17 and the additional base layer 7. Fig. 8 is a partially enlarged view of the additional base layer.

S8: Check and accept the construction situation of the high-altitude conversion, resume the operation of the construction elevator above the construction floor of the high-altitude conversion; dismantle the elevator standard section below the additional base layer 7, and erect a protective layer 8 on LN-2, and hand over the construction to the elevator construction party.

In this step, the removal of the standard section of the elevator is carried out by means of a hoist combined with dismantling and transportation. Figure 9 is a schematic diagram of the removal of the standard section of the elevator. The hoist 14 is fixed on the construction floor LN to be transformed into high altitude, and the suspension wheel support plate 12 is fixed on the LN+1;

The construction workers are operating on LN-1, first remove the protective railing 13 on LN-1; then, set up a steel springboard temporary channel 15 on LN-1; then, set the towing rope 16 on the elevator standard section 1; finally, Remove the fixing bolts between the elevator standard sections 1, and the construction personnel hold the towing rope 16 to drag inward, and at the same time, the hoist 14 loosens the rope, and the elevator standard section can be disassembled into the core tube floor.

The invention provides a super-high-rise construction elevator high-altitude conversion auxiliary device, which has a reasonable structure and reliable performance, effectively solves the contradiction between the vertical transportation demand of the super-high-rise construction site and the formal completion node of the shuttle elevator, saves energy, and reduces construction costs. The construction method provided by the invention is safe and efficient. The construction party can hand over the elevator shaft to the elevator construction party in sections, and insert the construction in advance to effectively ensure the completion of the formal elevator. At the same time, the construction elevator after high-altitude conversion can also effectively meet the requirements of the site. Construction vertical transport capacity.

The present invention is not limited to the above-mentioned embodiment, and anyone can draw other various forms of products under the enlightenment of the present invention, but no matter make any changes in its shape or structure, all those with the same or similar features as the present application The technical solutions all fall within the protection scope of the present invention.

Claims (4)

1. servicing unit is changed in a kind of Super High construction elevator high-altitude, it is characterised in that including particular criteria section（2）, conversion base Plinth girder steel and additional primer layer（7）, wherein, switching foundation girder steel includes switching beam（3）, switching beam support（4）, fixed beam （5）, fixed beam support（6）；Particular criteria section（2）Installed in the elevator standard section for treating high-altitude conversion construction floor（1）Residing Position, additional primer layer（7）It is arranged on and treats that the next layer of construction floor is changed in high-altitude；Particular criteria section（2）One end and switching beam（3） Connection, its other end and fixed beam（5）Connection；Switching beam（3）Bottom be fixed on Core Walls Structure floor, switching beam（3）It is close Particular criteria section（2）Bottom supported by switching beam（4）It is fixed in the side wall of Core Walls Structure floor；Fixed beam（5）It is fixed on In the side wall of elevator, fixed beam（5）Close to particular criteria section（2）Bottom supported by fixed beam（6）It is fixed on elevator Side wall on；Additional primer layer（7）A number of elevator standard section is reserved between switching foundation girder steel（1）；

Described switching beam（3）Including girder steel component of transferring（3-1）, vertical channel-section steel（3-2）And switching beam connecting plate（3-3）； Vertical channel-section steel（3-2）It is welded on a pair of switching girder steel components（3-1）Between, switching beam connecting plate（3-3）It is welded on switching girder steel Component（3-1）Side；

Described fixed beam（5）Including fixed girder steel component（5-1）, vertical channel-section steel（3-2）And fixed beam connecting plate（5-2）； Vertical channel-section steel（3-2）It is welded on a pair of fixation girder steel components（5-1）Between, fixed beam connecting plate（5-2）It is welded on fixed girder steel Component（5-1）Side.

2. servicing unit is changed in Super High construction elevator high-altitude according to claim 1, it is characterised in that described is special Standard knot（2）Including horizontal I-steel（2-1）, vertical I-steel（2-2）, bending channel-section steel（2-3）, rack（2-4）, gusset（2- 5）, fixed plate（2-6）And elevator standard section（1）；Wherein, horizontal I-steel（2-1）, vertical I-steel（2-2）, bending channel-section steel （2-3）It is welded on elevator standard section（1）The left and right sides, rack（2-4）It is welded on elevator standard section（1）Front and rear sides, muscle Plate（2-5）It is welded on horizontal I-steel（2-1）With vertical I-steel（2-2）Between, fixed plate（2-6）It is welded on vertical I-steel （2-2）Side.

3. servicing unit is changed in Super High construction elevator high-altitude according to claim 1, it is characterised in that described is additional Basal layer（7）One end is fixed on the built-in fitting in elevator sidewall, and its other end, which is fixed on, treats next layer of core of high-altitude conversion layer On the built-in fitting of heart cylinder floor；Additional primer layer（7）Mainly it is made up of two H profile steel beams.

A kind of 4. Super High construction elevator high-altitude conversion construction method, using super according to claim 1-3 any one Change servicing unit in high-rise construction lift high-altitude, it is characterised in that described high-altitude conversion construction method comprises the following steps：

S1：Particular criteria section（2）Installed in the elevator standard section for treating high-altitude conversion construction floor（1）Location；

S2：When Core Walls Structure floor slab construction exceedes when construction floor is changed in high-altitude, beginning switching foundation girder steel is constructed, by switching beam （3）Bottom be fixed on treat high-altitude conversion construction floor on built-in fitting on；By fixed beam（5）It is fixed in the side wall of elevator Built-in fitting on；

S3：By particular criteria section（2）The fixed plate of both sides（2-6）Respectively with switching beam connecting plate（3-3）And fixed beam connecting plate （5-2）Fixed using bolt；And by construction elevator cage allocate and transport to treat high-altitude conversion construction floor more than, and treating high-altitude change Construction floor sets lower limit；

S4：According to Core Walls Structure hoistway scheme protection is set up in switching foundation girder steel floor；

S5：Additional primer layer is set up in the next layer for treating high-altitude conversion construction floor（7）, and same layer opposite hoistway set up it is anti- Shield；

S6：Block additional primer layer（7）Following elevator standard section, load are all offloaded on switching foundation girder steel；

S7：Will be with additional primer layer using transition apparatus（7）Adjacent elevator standard section lower end is welded on additional primer layer（7）'s Upper surface；Transition apparatus includes arc（17）, connecting tube（18）, arc（17）By elevator standard section（1）Support column Lower end is wrapped up, connecting tube（18）It is welded on arc（17）With additional primer layer（7）Between；

S8：Inspect for acceptance high-altitude conversion condition of construction, recover high-altitude conversion construction floor more than construction elevator operation；Dismounting Additional primer layer（7）Following elevator standard section, and in additional primer layer（7）Next layer set up overcoat（8）, and transfer electricity Terraced construction party construction.