CN113152664A

CN113152664A - Steel structural framework and modularized additional elevator

Info

Publication number: CN113152664A
Application number: CN202110324426.2A
Authority: CN
Inventors: 陈艳彬; 田春雨; 史学磊; 陈艳华
Original assignee: Cnpec Urban Renewal Co ltd
Current assignee: Cnpec Urban Renewal Co ltd
Priority date: 2021-03-26
Filing date: 2021-03-26
Publication date: 2021-07-23

Abstract

The invention discloses a steel structure frame and a modularized additional elevator. The steel structure frame comprises a foundation section frame, a standard section frame and a top section frame, each frame comprises an upright post and a connecting cross beam, the end part of each connecting cross beam positioned on the upright post is vertical to the upright post, and the end surface of each connecting cross beam is welded with the side surface of the end part of each upright post; only the upper ends of the upright columns of the foundation section frames are provided with connecting cross beams, the lower ends of the upright columns are used for being connected and fixed with a foundation raft, the upper ends and the lower ends of the upright columns of the standard section frames and the top section frames are provided with connecting cross beams, and the upright columns and the connecting cross beams enclose a well way frame; two adjacent sections of frames are fixedly connected through two adjacent connecting cross beams. Adopt the modularization of this frame to install the elevator additional, each module is all prefabricated to be accomplished, only need during the field installation with adjacent module go on about the concatenation fixed can, the fastness is strong, installation construction convenience, labour saving and time saving, the appearance is clean and tidy pleasing to the eye.

Description

Steel structural framework and modularized additional elevator

Technical Field

The invention relates to the technical field of processing and installation of a modular additional elevator, in particular to a steel structure frame and a modular additional elevator with the same.

Background

The modularization installs the elevator additional because of it will install the elevator split into a plurality of modules and prefabricate in advance at the mill additional, and the whole transportation of module hoist and mount is convenient, makes on-the-spot installation construction speed accelerate, and full bolted connection has reduced the risk that the operation of on-the-spot naked light brought, has reduced the influence of construction to resident normal life, is comparatively general at present installs elevator processing and mounting means additional.

In a common modularized elevator installation, a frame is basically built into a cubic frame by square steel pipes or I-shaped steel, and an elevator shaft is arranged in the frame and used for an elevator car to move up and down. This kind of frame construction on the one hand the fastness is not good, has certain structural safety hidden danger, and on the other hand needs the on-the-spot fire welding or installs more the bolt volume additional during the construction, and the installation degree of difficulty is big to waste time and energy, and the both ends of connecting the back bolt expose at the frame surface in addition, are unsuitable to be used for taking glass curtain wall to carry out the elevator of installing additional of surface decoration as the main.

In addition, typical modular additional elevators do not adapt well to areas with limited space in front of the building.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a steel structure frame suitable for a modularized additional elevator, which is strong in firmness, convenient to install and construct, time-saving, labor-saving, neat and attractive in appearance, and the invention also provides the modularized additional elevator.

The technical scheme of the invention is detailed as follows:

a steel structure frame is suitable for a modularized additional elevator and comprises a base section frame, a standard section frame and a top section frame which are sequentially connected from bottom to top, wherein each frame comprises an upright post and a connecting cross beam, the connecting cross beam is positioned at the end part of the upright post and is vertical to the upright post, and the end part of the connecting cross beam is welded with the side surface of the end part of the upright post;

only the upper ends of the upright columns of the foundation section frames are provided with connecting cross beams, the lower ends of the upright columns are used for being connected and fixed with a foundation raft, the upper ends and the lower ends of the upright columns of the standard section frames and the top section frames are provided with connecting cross beams, and the upright columns and the connecting cross beams enclose a well way frame;

two adjacent sections of frames are fixedly connected through two adjacent connecting cross beams.

The basic raft is a common structure in the building field, is used for fixing and bearing a building, consists of a bottom plate, a beam and the like, is large in building load and weak in foundation bearing capacity, is usually provided with a concrete bottom plate raft to bear the building load to form a raft foundation, is good in integrity, and can well resist uneven settlement of the foundation.

As an optional or preferred scheme, in the steel structural frame, the connecting beam is a double-web i-beam or a double-channel steel composite beam, the double-channel steel composite beam further includes a connecting plate, and the connecting plate connects and fixes the flange plates on one side of the two channel steels in a welding manner.

As an optional or preferred scheme, in the steel structural frame, the double-web i-shaped steel beam includes an upper flange plate, a lower flange plate and two webs perpendicular to the flange plates, bolt holes are formed in the flange plates at positions between the two webs, and after being aligned, adjacent connecting cross beams between the upper frame and the lower frame are fixedly connected in a manner that bolts penetrate through the bolt holes of the two connecting cross beams to be screwed;

the double-channel steel combination beam comprises two channel steels, wherein each channel steel consists of an upper flange plate, a lower flange plate and a web plate perpendicular to the flange plates; the webs of two channel-section steels are close to parallel arrangement mutually, and two upper end flange plates or two lower extreme flange plates are connected fixedly through the connecting plate, offer the bolt hole on the connecting plate, adopt the bolt to pass the mode fixed connection that the bolt hole of two connection crossbeams was screwed after adjacent connection crossbeam aligns between two sections upper and lower frames.

As an optional or preferred scheme, in the steel structure frame, a gasket is additionally arranged outside the bolt hole, and the width of the gasket is greater than the distance between the two webs.

As an optional or preferred scheme, in the steel structural frame, the upright posts are steel square tubes.

As an optional or preferred scheme, in the steel structure frame, a positioning piece a is configured on the lower surface of the upright column positioned above, a positioning piece B is installed on the upper surface of the upright column positioned below, the positioning piece a and the positioning piece B are adaptive in size and shape, and the splicing of two vertically adjacent connecting cross beams is not affected.

Specifically, the positioning element a can be a positioning slot or a positioning hole, correspondingly, the positioning element B can be a positioning plate or a positioning pin, and the positioning plate or the positioning pin can also be a hoisting point. The locating slot corresponds the adaptation locating plate, and the locating hole corresponds the adaptation locating pin.

As an optional or preferred scheme, in the steel structure frame, a steel support is installed in a frame plane formed by the connecting beam and the upright column, and the steel support is a channel steel or an angle steel.

As an optional or preferred scheme, in any of the above steel structure frames, the columns are arranged in two rows, and further include secondary beams, curtain wall keels and interlayer beams, the secondary beams are connected with the two columns in the middle, the columns near one side of the building, the connecting cross beam and the secondary beams enclose a front chamber frame, and the front chamber frame is adjacent to the shaft frame and on the same horizontal plane; the curtain wall keel is used for connecting other adjacent upright posts except for the upright posts close to the building; the interlayer beam is used for connecting the adjacent upright columns at the periphery, is positioned between the upper curtain wall keel and the lower curtain wall keel and serves as a main structural beam.

As an alternative or preferred scheme, in any of the steel structure frames, the total number of the four upright posts is located at a corner, two upright posts of each frame, which are close to one side of the building, are also vertically connected with a precast concrete plate with a channel steel frame, and are used as front chamber floors and connected with floor floors at each floor of the building, and a pull rod or an inclined support is further arranged between the channel steel frame and the upright posts for reinforcement; the end part of the channel steel frame is vertically connected with a vertical keel.

A modularized additional elevator comprises a basic section module, a standard section module and a top section module, and adopts any one of the steel structure frames.

As an optional or preferred scheme, in the modularized additional elevator, an outer protective structure is additionally arranged outside a steel structure frame, a floor and a ceiling are additionally arranged on a front chamber frame, and the front chamber frame is used for being butted with each layer of stair openings or entrance openings of a building.

The outer protective structure comprises but not limited to glass, an outer decorative integrated plate, an aluminum plate and the like, and the front chamber frame can be additionally provided with components such as ventilation shutters, floors, suspended ceilings, lighting lamps and the like according to requirements besides a floor and a ceiling. The top layer section of the steel structure frame can also be externally buckled with an integrated assembled roof; the structural reservation of steel construction frame well has the mounting hole that is used for installing elevator equipment, and the top layer of well frame is provided with the elevator and puts quick-witted roof beam and lifting hook. Elevator equipment including, but not limited to, elevator guide rail brackets, elevator counterweight brackets, and the like.

Compared with the prior art, the invention has the following beneficial effects:

the upper and lower adjacent frames are connected and fixed in a bolting mode of two adjacent connecting cross beams, and the connecting cross beams use double-web I-shaped steel beams or double-channel steel combined beams, so that compared with the traditional mode that double-web I-shaped steel beams or double-channel steel combined beams are used as the connecting cross beams and double-number bolts are needed for symmetrical fixation, materials are saved, and the bolts are vertically communicated between the two connecting cross beams, so that construction from the upper surface or the lower surface of the connecting cross beam is facilitated, and the outer side decoration of the connecting cross beam is not influenced, so that the outer side decoration can be prefabricated in a factory in advance, and field installation and construction are facilitated. In the steadiness, when the bolt on the double-web I-shaped steel beam is pre-tightened, pressure is borne by the double webs, the bearing value of the pre-tightening force is larger, the pre-tightening force reaches a sufficient value, the purposes of tensile resistance and shear resistance can be better realized, and the connection of the upper and lower connecting cross beams is more stable.

The foundation section frame, the standard section frame and the top section frame can be prefabricated and finished in a factory respectively, a curtain wall, an integrated assembled roof and the like are additionally arranged, the foundation section module, the standard section module and the top section module are formed, the modules are directly conveyed to a construction site, and the upper layer and the lower layer are connected and fixed through connecting cross beams sequentially through bolts, so that construction is convenient.

The stand is six steel construction frame, and well and antechamber are integrative, compare in the assembled frame of only elevator well, avoid the work load of site operation pavement and antechamber part, raise the efficiency.

The stand is four steel construction frames, and the well is gone up and is cantilevered antechamber floor board, compares in the assembled frame of only elevator well, avoids the work load of site operation walkways and antechamber part, raises the efficiency. And the length of the floor slab and the channel steel frame of the front chamber frame can be adjusted according to the size of the applicable space in front of the building, and the prefabrication in a factory is finished in advance. The application size range is wide, and the site operation is convenient and quick.

Drawings

Fig. 1 is a schematic overall appearance diagram of a modular add-on elevator.

FIG. 2 is a schematic view of the overall structure of a modular additional elevator employing a six-column steel structural frame;

FIG. 3 is a schematic view of a six-column foundation section frame structure;

fig. 4 is a schematic view of a connection section structure of the columns of the six-column foundation section frame and the basic raft;

FIG. 5 is a schematic structural view of a six-column standard knot frame;

FIG. 6 is a schematic structural view of a standard section frame of an upright post with a canopy;

FIG. 7 is a schematic view of a six-column top layer section frame structure;

FIG. 8 is a schematic view of a six-column top level section frame configuration from another perspective;

FIG. 9 is a schematic view showing a connection relationship between upper and lower adjacent frames of six columns;

FIG. 10 is a schematic structural view of a double-web I-shaped steel beam after a screw is threaded;

FIG. 11 is a schematic view of a positioning member;

fig. 12 is a schematic view of the whole structure of a modular elevator with four-column steel structure frame (with curtain wall maintenance structure);

FIG. 13 is a schematic view of a four-column steel structural frame;

fig. 14 is a schematic diagram of a cantilever joint of a four-column steel structure frame.

In the figure:

a-foundation section modules, a 1-foundation section frames, b-standard section modules, b 1-standard section frames, c-top section modules, c 1-top section frames, 1-connecting cross beams, 101-secondary beams, 102-curtain wall keels, 103-interlayer beams, 2-foundation rafts, 3-upright columns, 31-upright keels, 32-channel steel frames, 4-bolts, 41-bolt holes, 5-stiffening ribs, 6-gaskets, 7-webs, 8-flange plates, 9-positioning plates, 10-bottom plates, 11-shear keys, 12-precast concrete wall plates, 13-fixing bolts and gaskets, 14-leveling bolts and gaskets, 15-embedded bolts, 16-integrally-assembled roofs, 17-elevator-placing beams, 18-hook, 19-positioning groove.

Detailed Description

The invention is explained and illustrated in detail below with reference to the drawings and preferred embodiments so that those skilled in the art can better understand the invention and implement it.

Six post steel construction frame and modularization elevator:

referring to fig. 1, the modular additional elevator comprises a base section module a, a plurality of standard section modules b, and a top section module c, which are sequentially connected from bottom to top.

The foundation section module a is formed by additionally arranging an outer enclosure structure, an elevator foundation concrete maintenance structure, a cell door and the like on a foundation section frame a 1.

Referring to fig. 3, the foundation section frame includes columns 3 of six square steel tube structures and connecting beams 1 of a double-web i-shaped steel beam structure, the columns 3 are arranged in two rows, three columns are arranged in each row, the upper ends of the columns are connected in a surrounding manner through the connecting beams 1, the connecting beams 1 are located at the ends of the columns and perpendicular to the columns 3, the end surfaces of the connecting beams 1 are welded to the side surfaces of the ends of the columns 3, and the lower ends of the columns 3 are used for being fixed to the foundation raft 2. Wherein, a shaft frame is enclosed by the upright post 3 and the connecting beam 1 at one end far away from the building. When the foundation section module a is prefabricated in a factory, the construction of the foundation section frame a1 and the assembly of related external protective structures (such as glass, aluminum plates and the like) and supporting facilities such as floors, ceilings, lighting lamps and the like are completed, and the foundation section module a is directly installed in a foundation pit on site.

Referring to fig. 4, in order to be conveniently installed and fixed in a foundation pit in cooperation with the foundation section module a, a bottom plate 10 and shear keys 11 are provided at the lower end of the column 3, connected with the basic raft 2 through M20 embedded anchors 15, leveled and fixed through fixing bolts and gaskets 13, leveling bolts and gaskets 14, and concrete is used to wrap the column foot. Still be provided with precast concrete wallboard 12 at the stand periphery of well frame, enclose to close and form the elevator foundation ditch, precast concrete wallboard 12 shape suits with the stand periphery, and during the fixed, inserts precast concrete wallboard 12 the parcel column foot on basic raft 2 from the lower extreme of stand, removes precast concrete wallboard and makes it and basic raft 2 contact, then extends the waterproof layer on the basic raft 2 to precast concrete wallboard upper end.

The standard section module is used for being installed and fixed above the foundation section module, and an outer enclosure structure is additionally arranged by adopting a standard section frame.

Referring to fig. 5 and 6, the standard section frame includes six vertical columns and a connecting beam 1 of a double-web i-beam structure disposed at the upper and lower ends of the vertical columns, the connecting beam 1 and the secondary beam 101 respectively enclose a hoistway frame and a front chamber frame which are connected to each other, and the hoistway frame is located at one end far away from the building. Referring to fig. 5-7, besides the secondary beam 101, the curtain wall keel 102 and the interlayer beam 103 are also included, and the curtain wall keel 102 is used for connecting other adjacent upright posts 3 except adjacent to the building; the interlayer beam 103 is used for connecting the adjacent upright posts 3 around, and the interlayer beam 103 is positioned between the upper curtain wall keel 102 and the lower curtain wall keel 102 and serves as a main structural beam. The external protective structure additionally arranged outside the standard section frame b1 comprises but is not limited to glass, aluminum plates, integrated heat insulation plates and the like, and the front chamber frame is additionally provided with a floor, a ceiling, windows, lamps, unit doors and the like, and is completely prefabricated in a factory. Referring to fig. 6, a standard section frame b1 directly connected to the base section frame a1 is additionally provided with a rain fly above the elevator door.

Referring to fig. 7, a top section module c is used for being installed on the topmost layer of an additionally installed elevator, a top section frame c1 is adopted, the top section frame c1 also comprises a stand column 3 with a six-square steel pipe structure and a connecting beam 1 with a double-web i-shaped steel beam structure, the specific structure and the connecting mode are the same as those of a standard section frame b1, and in addition, referring to fig. 8, an elevator machine placing beam 17, a lifting hook 18 and an external buckle integrated assembly type roof 16 are reserved at the top of the top section frame.

Above-mentioned each section frame can also install the stiffening beam additional in the frame for improving the steadiness, and the stiffening beam is used for connecting two adjacent stands in the middle of consolidating.

The above frames are convenient for installing the elevator, and installation holes for installing elevator equipment, such as an elevator guide rail support, an elevator counterweight support and the like, can be reserved.

All the connecting cross beams 1 adopt a double-web I-shaped steel beam structure, please refer to fig. 9 and 10, the double-web I-shaped steel beam comprises an upper flange plate 8, a lower flange plate 8 and two web plates 7 which are perpendicular to the flange plates 8 and are symmetrical along the center, a bolt hole 41 is formed in the flange plates 8 and located between the two web plates 7, and after the adjacent connecting cross beams 1 between the upper frame and the lower frame are aligned, the connecting cross beams are fixedly connected in a mode that a bolt 4 penetrates through the bolt holes 41 of the two connecting cross beams 1 to be screwed. The bolt 4 is arranged in a space defined by the upper flange plate 8, the lower flange plate 8 and the two web plates 7, the bolt rod cannot be seen from the outer side, only the end heads of the bolt cap and the bolt rod can be seen from the surface of the flange plate 8, the whole structure is simple and attractive, construction from the inside of the frame is facilitated, and the structure is not influenced by a preassembled outer building envelope.

The bolt hole 41 is additionally provided with a gasket 6, the width of the gasket 6 is larger than the distance between the two webs 7, so that the force applied to the bolt 4 can be borne by the double-web I-shaped steel beam in a more dispersed manner, all parts are stressed uniformly, and the service life is prolonged.

In order to facilitate the positioning in the hoisting process, a positioning groove 19 and a positioning plate 9 can be formed in the surface of the upper and lower adjacent ends of the stand column, specifically, the positioning groove 19 is formed in the lower surface of the stand column above the stand column, the positioning plate 9 is arranged on the upper surface of the stand column below the stand column, the positioning plate 9 is matched with the positioning groove 19 in size and shape, and the splicing of two vertically adjacent connecting beams is not influenced. The positioning plate 9 is provided with a through hole which can be used as a hanging point. Of course, matched positioning holes and positioning pins can be constructed, and the positioning holes and the positioning pins can be selected according to actual conditions.

The construction process comprises the following steps:

1. according to design drawings, each section of steel structure frame and the content contained in each section of frame are processed in advance in a factory, for example, the content comprises but is not limited to an outer enclosure structure, a floor panel, a suspended ceiling, a lamp, a guide rail bracket mounting hole, a counterweight bracket mounting hole and the like;

2. entering a site, completing foundation construction and basic raft construction, reserving pre-buried anchor bolts connected with upright posts of basic joint modules during basic raft construction, hoisting the basic joint modules after basic raft construction is completed, connecting the basic joint modules with a raft through connecting parts, and fixing the basic joint modules on a raft foundation;

3. and after the hoisting of the foundation section module is completed, a shaft upright column concrete wrapping column base, the rest steel columns and the steel beam concrete protective layer are made, and the elevator shaft foundation pit precast concrete wallboard is hoisted.

4. After the construction of the foundation section module is completed, the standard section module is hoisted and spliced through the positioning grooves and the positioning plates of the foundation sections to be accurately positioned, and the long rod bolt is installed to be fastened through the reserved bolt holes of the two frame connecting cross beams, so that the two sections are connected and fixed together.

5. And (4) hoisting the rest segment modules according to the step (4).

Four post steel construction frames and modularization elevator:

referring to fig. 12-14, a four-column steel structural frame is substantially similar to a six-column steel structural frame except that: the base section frame a1, standard section frame b1 and top section frame c1 are all four uprights. Specifically, basic festival frame a1 includes the stand 3 of four square steel tube structures and the connecting beam 1 of two web I-shaped steel beam structures, and stand 3 divides two rows of settings, and every row is two, and the upper end is through connecting beam 1 around connecting, and connecting beam 1 is located stand tip and stand 3 perpendicular, and 1 terminal surface of connecting beam and 3 tip side welding of stand, 3 lower tip of stand are used for being fixed with basic raft 2. Wherein, a shaft frame is enclosed by the upright post 3 and the connecting beam 1 at one end far away from the building. At 3 sides of two stands near the building, connect perpendicularly through bolt and gusset plate and have the precast concrete board of channel-section steel frame 32, as the antechamber floor, link up with every floor landing floor in the building, the channel-section steel frame 32 other end also passes through the perpendicular fixed connection of bolt and erects fossil fragments 31, erects fossil fragments 31 and stand 3 parallels. One end of the pull rod is fixed with the middle part of the channel steel frame 32 through a bolt, and the other end of the pull rod is fixed with the stand column to reinforce the connection between the channel steel and the stand column. The mullion 31 is used for supporting and fixing the other end of the channel steel frame 32 and is used for installing the enclosure. The two channel steel frames 32 are oppositely arranged, prefabricated reinforced concrete plates are additionally arranged in the channels, and the prefabricated reinforced concrete plates and the connecting beam 1 are positioned on the same horizontal plane; the channel steel frame 32 and the prefabricated reinforced concrete plate are integrally manufactured in a factory. The base section frame a1 and the top section frame c1 are also used in the same manner to overhang the foreroom frame above the hoistway, adding a hoistway plate, see fig. 14. In order to enhance the rigidity of the frame, an inclined support can be additionally arranged as required, and the support can adopt the section of angle steel or channel steel.

The inventive concept is explained in detail herein using specific examples, which are given only to aid in understanding the core concepts of the invention. It should be understood that any obvious modifications, equivalents and other improvements made by those skilled in the art without departing from the spirit of the present invention are included in the scope of the present invention.

Claims

1. A steel structure frame is suitable for a modularized additional elevator and is characterized by comprising a base section frame, a standard section frame and a top section frame which are sequentially connected from bottom to top, wherein each frame comprises an upright post and a connecting cross beam, the connecting cross beam is positioned at the end part of the upright post and is vertical to the upright post, and the end surface of the connecting cross beam is welded with the side surface of the end part of the upright post;

2. The steel structural frame of claim 1, wherein the connecting beams are double-web I-shaped steel beams or double-channel steel composite beams, and the double-channel steel composite beams further comprise connecting plates, and the connecting plates are used for fixedly connecting one side flange plate of the two channel steel in a welding manner.

3. The steel structural frame of claim 2, wherein the double-web I-shaped steel beam comprises an upper flange plate, a lower flange plate and two webs perpendicular to the flange plates, bolt holes are formed in the flange plates at positions between the two webs, and after adjacent connecting cross beams between the upper frame and the lower frame are aligned, the connecting cross beams are fixedly connected in a manner that bolts penetrate through the bolt holes of the two connecting cross beams to be screwed;

4. The steel structural frame of claim 3, wherein a gasket is additionally arranged outside the bolt hole, and the width of the gasket is larger than the distance between the two webs.

5. The steel structure frame of claim 1, wherein the lower surface of the upper upright post of the two vertically adjacent connecting beams is provided with a positioning member A, the upper surface of the lower upright post is provided with a positioning member B, and the positioning member A and the positioning member B are adaptive in size and shape and do not affect the splicing of the two vertically adjacent connecting beams.

6. The steel structural frame of claim 1, wherein steel struts are mounted in a frame plane formed by the connecting beams and the columns, and the steel struts are channel steels or angle steels.

7. The steel structural frame of any one of claims 1 to 6, wherein the columns are arranged in two rows of six columns, and further comprise secondary beams, curtain wall keels and interlayer beams, the secondary beams are connected with the two columns in the middle, the columns near one side of the building, the connecting cross beams and the secondary beams form a front chamber frame, and the front chamber frame is adjacent to the shaft frame and is on the same horizontal plane; the curtain wall keel is used for connecting other adjacent upright posts except for the upright posts close to the building; the interlayer beam is used for connecting the adjacent upright columns at the periphery, is positioned between the upper curtain wall keel and the lower curtain wall keel and serves as a main structural beam.

8. The steel structure frame of any one of claims 1 to 6, wherein the four upright columns are arranged at the corner part in total, two upright columns at one side of each frame close to the building are also vertically connected with a precast concrete plate with a channel steel frame to be used as a front chamber floor and connected with a floor of each floor stair opening in the building, and a pull rod or an inclined support is arranged between the channel steel frame and the upright columns for reinforcement; the end part of the channel steel frame is vertically connected with a vertical keel.

9. A modular retrofit elevator comprising a base section module, a standard section module and a top section module, using the steel structural frame of any of claims 1-8.

10. The modular additional elevator as claimed in claim 9, wherein an outer protective structure is additionally arranged outside the steel structure frame, a front chamber frame is additionally provided with a floor and a ceiling, and the front chamber frame is used for being butted with each floor stair entrance or entrance of a building; the structural reservation of steel construction frame well has the mounting hole that is used for installing elevator equipment, and the top layer of well frame is provided with the elevator and puts quick-witted roof beam and lifting hook.