CN111252646A - Reinforcement translation system of elevator and construction method thereof - Google Patents
Reinforcement translation system of elevator and construction method thereof Download PDFInfo
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- CN111252646A CN111252646A CN202010139695.7A CN202010139695A CN111252646A CN 111252646 A CN111252646 A CN 111252646A CN 202010139695 A CN202010139695 A CN 202010139695A CN 111252646 A CN111252646 A CN 111252646A
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- 238000013519 translation Methods 0.000 title claims abstract description 60
- 238000010276 construction Methods 0.000 title claims abstract description 29
- 230000002787 reinforcement Effects 0.000 title claims description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 188
- 239000010959 steel Substances 0.000 claims abstract description 188
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 52
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000003825 pressing Methods 0.000 claims description 19
- 238000003466 welding Methods 0.000 claims description 17
- 230000009466 transformation Effects 0.000 claims description 13
- 238000001514 detection method Methods 0.000 claims description 10
- 238000005520 cutting process Methods 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 239000002023 wood Substances 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 claims description 3
- 239000002699 waste material Substances 0.000 abstract description 4
- 230000001934 delay Effects 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 9
- 238000007689 inspection Methods 0.000 description 3
- 239000011324 bead Substances 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000009424 underpinning Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/02—Cages, i.e. cars
- B66B11/0206—Car frames
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/02—Cages, i.e. cars
- B66B11/0226—Constructional features, e.g. walls assembly, decorative panels, comfort equipment, thermal or sound insulation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B17/00—Hoistway equipment
- B66B17/12—Counterpoises
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/02—Guideways; Guides
- B66B7/023—Mounting means therefor
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/06—Separating, lifting, removing of buildings; Making a new sub-structure
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
A reinforcing translation system of an elevator and a construction method thereof comprise a reinforcing system and a translation system; the reinforcing system comprises a car supporting and connecting rod, a counterweight reinforcing assembly and a guide rail reinforcing assembly; the lift car supporting and connecting rod is arranged at the bottom of the lift car; the counterweight reinforcing component comprises a supporting beam and a limiting rod and is used for reinforcing the elevator counterweight; the guide rail reinforcing component comprises a supporting rod and a fixing rod and is used for reinforcing the car guide rail and the counterweight track; the translation system comprises a slideway beam, a walking device, a lower tray beam and an upper tray beam; the slideway beam is arranged below the elevator steel frame; the walking device is arranged on the two slideway beams; the lower tray beam is arranged around the elevator steel frame and connected with the original structural concrete column; the upper layer tray beam is arranged on the front side and the rear side of the elevator steel frame and is connected with the lower layer tray beam; the steel frame column penetrates through the upper layer tray beam and is fixedly connected with the upper layer tray beam. The invention solves the technical problems that the traditional method adopts dismantling and reconstruction, which not only causes resource waste, but also delays the construction period.
Description
Technical Field
The invention belongs to the technical field of building engineering reconstruction construction, and particularly relates to a reinforcing translation system of an elevator and a construction method thereof.
Background
With the rapid development of social economy and urban construction in China, building translation is more and more applied to building construction, and the prior art generally adopts a dismantling and rebuilding mode for a vertical elevator in an existing building, so that resource waste is caused, and the construction period is delayed.
Disclosure of Invention
The invention aims to provide a reinforcing translation system of an elevator and a construction method thereof, and aims to solve the technical problems that the traditional method adopts a dismantling and rebuilding mode, so that the waste of resources is caused and the construction period is delayed.
In order to achieve the purpose, the invention adopts the following technical scheme.
A reinforcing translation system of an elevator is characterized in that original-structure concrete columns are arranged on the periphery of the elevator, and the elevator comprises an elevator steel frame, a car guide rail, an elevator counterweight and a counterweight track, wherein the elevator steel frame is composed of steel frame columns and steel frame beams; the elevator counterweight is provided with two counterweights which are symmetrically arranged on the left side and the right side of the elevator steel frame; the reinforcing translation system comprises a reinforcing system for reinforcing the existing elevator and a translation system for translating the reinforced elevator; the reinforcing system comprises a car supporting and connecting rod, a counterweight reinforcing assembly and a guide rail reinforcing assembly; the car supporting and connecting rod is horizontally arranged at the bottom of the car and used for supporting the car; the counterweight reinforcing component comprises a supporting beam and a limiting rod; the connecting beam is transversely arranged on the steel frame beam at the bottom of the elevator counterweight and is used for connecting the two elevator counterweights; the limiting rods are arranged on two sides of each elevator counterweight to prevent the elevator counterweight from shaking; the guide rail reinforcing assembly is arranged between the car guide rail and the counterweight track and comprises a support rod and a fixed rod; the support rod is longitudinally inserted in a gap between the car guide rail and the counterweight track and corresponds to the upper part of the elevator counterweight, and two ends of the support rod are respectively overlapped on the steel frame beams on the opposite sides; the right side surface of the supporting rod is welded with the car guide rail; the fixed rod is transversely welded at the top of the supporting rod, and the left end of the fixed rod is welded with the counterweight track; the translation system comprises a slideway beam, a walking device, a lower tray beam and an upper tray beam; the two slide way beams are longitudinally arranged below the elevator steel frame at intervals and correspond to the positions of the front and rear steel frame columns; the walking devices are arranged on the two slideway beams in a rectangular shape, and the walking devices on the left side and the right side of the elevator steel frame longitudinally correspond to the original structural concrete columns; four lower-layer tray beams are arranged on the periphery of the elevator steel frame respectively and are arranged at the tops of the walking devices on the corresponding side; a through hole penetrating through the original structural concrete column is formed in the lower-layer tray beam; the lower tray beam is fixedly connected with the original structural concrete column; the two upper-layer tray beams are respectively arranged on the front side and the rear side of the elevator steel frame, and are transversely overlapped at the tops of the two lower-layer tray beams; the upper layer tray beam is fixedly connected with the lower layer tray beam; and the steel frame columns on the front side and the rear side of the elevator steel frame penetrate through the upper-layer tray beam and are fixedly connected with the upper-layer tray beam.
Preferably, the steel frame columns are in a group and are arranged in a rectangular shape; the steel frame beam comprises a steel frame cross beam and a steel frame longitudinal beam; the steel frame cross beams are provided with a plurality of layers and are connected between the horizontally adjacent steel frame columns at intervals along the vertical direction; the steel frame longitudinal beams are provided with a plurality of layers and are connected between longitudinally adjacent steel frame columns at intervals along the vertical direction; wherein, every layer of steel frame longeron is arranged with every layer of steel frame crossbeam correspondence.
Preferably, the car supporting and connecting rod is made of a section steel rod piece and is obliquely connected between the steel frame beams on the opposite side of the car; the end part of the car supporting and connecting rod is connected with the steel frame beam on the corresponding side in a welding mode.
Preferably, two ends of the supporting beam are respectively welded and connected to the steel frame beam on the opposite side of the elevator steel frame; the supporting beam is welded with the elevator counterweight; the limiting rods are arranged at the upper parts of the two sides of the elevator counterweight and at the positions corresponding to the steel frame beams; one end of the limiting rod is connected with the steel frame beam in a welding mode, and the other end of the limiting rod is arranged on the side face of the elevator counterweight in a pressing mode.
Preferably, the upper-layer pallet beam comprises two section steel beam units, and the two section steel beam units are arranged at intervals along the longitudinal direction; the longitudinal section of the section steel beam unit is I-shaped, and connecting plates are arranged between the tops of the two section steel beam units at intervals along the transverse direction.
Preferably, the steel frame column passes through a gap between the two section steel beam units; lapping pieces are respectively arranged on the front side surface and the rear side surface of the steel frame column and at positions corresponding to the tops of the section steel beam units; the bottom of the lap joint is welded on the section steel beam unit, and the inner side of the lap joint is welded on the steel frame column.
Preferably, the section steel beam unit is connected with the lower tray beam through a bolt assembly; a plurality of groups of bolt assemblies are arranged at each end of the section steel beam unit; the bolt assembly comprises a U-shaped rib, a nut, a pressing plate, a wood wedge and a pressing rib; the bottom transverse edge of the U-shaped rib is embedded in the lower tray beam; the vertical edges on the two sides of the U-shaped rib are respectively positioned on the two sides of the section steel beam unit, and the upper end of the vertical edge of the U-shaped rib exceeds the top of the section steel beam unit; the pressing plate is longitudinally arranged at the top of the section steel beam unit, and through holes penetrating through the U-shaped ribs are formed in the two ends of the pressing plate; the vertical edges at two sides of the U-shaped rib penetrate through the through holes at two ends of the pressing plate and are fastened through nuts; the wood wedges are filled in gaps between two sides of the section steel beam unit and the U-shaped ribs; the pressing ribs are arranged in the lower layer tray beam and located at two corner positions in the U-shaped ribs.
A construction method of a reinforcement translation system of an elevator comprises the following steps.
Step one, detecting the existing elevator before transformation, and reporting the existing elevator translation transformation construction to a special equipment monitoring station after the detection is qualified.
Checking and calculating the bearing capacity of the foundation; and carrying out bearing capacity checking calculation on the foundation on the translation path and the foundation at the planning position of the elevator after translation.
Step three, when the foundation bearing capacity meets the design requirement, constructing the slideway beam: and two slideway beams are constructed along the translation path and are longitudinally arranged at intervals below the elevator steel frame at positions corresponding to the front and rear steel frame columns.
Step four, constructing a lower layer pallet beam: and constructing a lower-layer tray beam on the periphery of the elevator steel frame and above the slide way beam, and embedding U-shaped ribs and press ribs for connecting the upper-layer tray beam in the lower-layer tray beam.
And fifthly, mounting a walking device between the lower-layer tray beam and the slideway beam.
And step six, starting the elevator, moving the elevator car and the elevator counterweight to the designed and fixed position, and cutting off the power supply of the elevator.
And seventhly, reinforcing the elevator car, and mounting a car supporting and connecting rod on a steel frame beam at the bottom of the elevator car.
And step eight, reinforcing the elevator counterweight, mounting support beams on the steel frame beams and at the bottom of the elevator counterweight, and mounting limiting rods on the steel frame beams on two sides of the elevator counterweight.
And step nine, constructing a guide rail reinforcing assembly, namely installing a support rod on the steel frame beam in a gap between the car guide rail and the counterweight track, welding a fixed rod at the top of the support rod, and welding the left end of the fixed rod with the counterweight track.
Step ten, constructing an upper layer tray beam, installing the upper layer tray beam on the periphery of the elevator steel frame and the top of the lower layer tray beam, and connecting the upper layer tray beam and the lower layer tray beam.
And step eleven, connecting the upper layer tray beam with the steel frame column.
And step twelve, respectively cutting and separating the lower part of the original structural concrete column and the lower part of the steel frame column, so that the walking device is stressed.
And thirteen, carrying out translation construction on the reinforced elevator until the construction is finished.
Preferably, the detection content before the existing elevator is modified in the step one comprises the following steps: whether the elevator machine control equipment meets the requirements and whether the hoistway and elevator equipment meet the requirements.
Compared with the prior art, the invention has the following characteristics and beneficial effects.
1. The reinforcing translation system for the translation transformation of the elevator with the existing building internal profile steel maintenance structure is simple in structure, convenient to operate, high in efficiency and high in safety, ensures that the existing elevator in the building is translated together with the translation building to be in place, and is successfully transformed and reused.
2. The reinforcing system comprises the lift car support connecting rod, the counterweight reinforcing assembly and the guide rail reinforcing assembly, the lift car, the counterweight reinforcing assembly and the guide rail are reliably reinforced, the smooth operation of the lift in the translation process is ensured, and meanwhile, the translation system realizes the purpose that the lift with the steel maintenance structure in the building can be translated and reused together with the building, so that the resource waste is avoided, the manufacturing cost is saved, and the construction period is shortened.
3. The method mainly comprises the procedures of elevator detection before translation, elevator underpinning and reinforcement before translation, steel frame column connection of an elevator steel frame and elevator detection after translation; the method has the advantages of simple structure, convenience in operation, high efficiency and good safety performance, and effectively solves the problem of translation transformation of the existing elevator.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic front view of the reinforcement translation system of the present invention.
Fig. 2 is a schematic side view of the reinforcement translation system of the present invention.
Fig. 3 is a schematic plan view of the stiffening and translation system of the present invention.
FIG. 4 is a schematic view of a connection structure of the section steel girder unit and the lower tray girder according to the present invention.
Fig. 5 is an enlarged schematic view of point a in fig. 1.
Fig. 6 is a schematic view of the connection structure of the support rod with the steel frame beam, the counterweight rail and the car guide rail in the invention.
Fig. 7 is a schematic view of the structure of the bottom-mounted outrigger of the counterweight of the elevator of the present invention.
Fig. 8 is a schematic plan view of the lower tray beam of the present invention.
Fig. 9 is a schematic view of the structure of the pressure plate of the present invention.
Reference numerals: 1-original structure concrete column, 2-elevator steel frame, 2.1-steel frame column, 2.2-steel frame beam, 3-car, 4-car guide rail, 5-elevator counterweight, 6-car supporting rod, 7-supporting beam, 8-limiting rod, 9-counterweight track, 10-supporting rod, 11-fixing rod, 12-slideway beam, 13-walking device, 14-lower layer pallet beam, 15-upper layer pallet beam, 15.1-shaped steel beam unit, 16-perforation, 17-connecting plate, 18-U-shaped rib, 19-nut, 20-pressing plate, 21-wood wedge, 22-pressing rib, 23-overlapping part, 23.1-bottom plate, 23.2-vertical supporting plate and 24-through hole.
Detailed Description
As shown in fig. 1-9, in the reinforcing translation system of the elevator, the original concrete columns 1 are arranged around the elevator, and the elevator comprises an elevator steel frame 2 consisting of steel frame columns 2.1 and steel frame beams 2.2, a car 3, a car guide rail 4, an elevator counterweight 5 and a counterweight track 9; the two elevator counterweights 5 are symmetrically arranged on the left side and the right side of the elevator steel frame 2; the reinforcing translation system comprises a reinforcing system for reinforcing the existing elevator and a translation system for translating the reinforced elevator; the reinforcing system comprises a car support rod 6, a counterweight reinforcing component and a guide rail reinforcing component; the car supporting and connecting rod 6 is horizontally arranged at the bottom of the car 3 and used for supporting the car 3; the counterweight reinforcing component comprises a connecting beam 7 and a limiting rod 8; the supporting and connecting beam 7 is transversely arranged on the steel frame beam 2.2 at the bottom of the elevator counterweight 5 and used for supporting and connecting the two elevator counterweights 5; the limiting rods 8 are arranged on two sides of each elevator counterweight 5 to prevent the elevator counterweight 5 from shaking; the guide rail reinforcing component is arranged between the car guide rail 4 and the counterweight track 9 and comprises a support rod 10 and a fixed rod 11; the support rod 10 is longitudinally inserted in a gap between the car guide rail 4 and the counterweight track 9 and corresponds to the upper part of the elevator counterweight 5, and two ends of the support rod 10 are respectively overlapped on the steel frame beam 2.2 at the opposite side; the right side surface of the support rod 10 is welded with the car guide rail 4; the fixed rod 11 is transversely welded at the top of the support rod 10, and the left end of the fixed rod 11 is welded with the counterweight track 9; the translation system comprises a slideway beam 12, a walking device 13, a lower tray beam 14 and an upper tray beam 15; two slide way beams 12 are arranged below the elevator steel frame 2 at intervals along the longitudinal direction and correspond to the positions of the front and rear steel frame columns 2.1; four groups of walking devices 13 are arranged on the two slideway beams 12 in a rectangular shape, and the walking devices 13 on the left side and the right side of the elevator steel frame 2 are longitudinally corresponding to the original structural concrete column 1; four lower-layer tray beams 14 are arranged on the periphery of the elevator steel frame 2 respectively, and the lower-layer tray beams 14 are erected on the top of the walking device 13 on the corresponding side; a through hole 16 penetrating through the original structural concrete column 1 is formed in the lower-layer pallet beam 14; the lower layer tray beam 14 is fixedly connected with the original structural concrete column 1; the two upper-layer tray beams 15 are respectively arranged on the front side and the rear side of the elevator steel frame 2, and the upper-layer tray beams 15 are transversely overlapped on the tops of the two lower-layer tray beams 14; the upper layer tray beam 15 is fixedly connected with the lower layer tray beam 14; the steel frame columns 2.1 on the front side and the rear side of the elevator steel frame 2 penetrate through the upper layer tray beam 15 and are fixedly connected with the upper layer tray beam 15.
In this embodiment, the walking device 13 is a walking device mentioned in "a rotation and translation system of a building and a construction method thereof" in patent document.
In this embodiment, the steel frame columns 2.1 are grouped and arranged in a rectangular shape; the steel frame beam 2.2 comprises a steel frame cross beam and a steel frame longitudinal beam; the steel frame cross beams are provided with a plurality of layers and are connected between the steel frame columns 2.1 which are adjacent in the transverse direction at intervals along the vertical direction; the steel frame longitudinal beams are provided with a plurality of layers and are connected between the longitudinally adjacent steel frame columns 2.1 at intervals along the vertical direction; wherein, every layer of steel frame longeron is arranged with every layer of steel frame crossbeam correspondence.
In the embodiment, the car supporting and connecting rod 6 is made of a section steel rod and is obliquely connected between the steel frame beams 2.2 on the opposite side of the car 3; the end part of the car supporting and connecting rod 6 is connected with the steel frame beam 2.2 on the corresponding side in a welding mode.
In the embodiment, two ends of the supporting beam 7 are respectively welded and connected to the steel frame beam 2.2 on the opposite side of the elevator steel frame 2; the connecting beam 7 is welded with the elevator counterweight 5; the limiting rods 8 are arranged at the upper parts of the two sides of the elevator counterweight 5 and at the positions corresponding to the steel frame beams 2.2; one end of the limiting rod 8 is connected with the steel frame beam 2.2 in a welding mode, and the other end of the limiting rod 8 is pressed on the side face of the elevator counterweight 5.
In this embodiment, the upper-layer pallet beam 15 includes two section steel beam units 15.1, and the two section steel beam units 15.1 are arranged at intervals along the longitudinal direction; the longitudinal section of the section steel beam unit 15.1 is I-shaped, and connecting plates 17 are arranged between the tops of the two section steel beam units 15.1 at intervals along the transverse direction.
In the embodiment, the steel frame column 2.1 penetrates through a gap between two section steel beam units 15.1; the front side and the rear side of the steel frame column 2.1 and the positions corresponding to the tops of the section steel beam units 15.1 are respectively provided with a lap joint 23; the bottom of the bridging piece 23 is welded on the section steel beam unit 15.1, and the inner side of the bridging piece 23 is welded on the steel frame column 2.1.
In this embodiment, the section steel beam unit 15.1 is connected to the lower tray beam 14 through a bolt assembly; a plurality of groups of bolt assemblies are arranged at each end of the section steel beam unit 15.1; the bolt assembly comprises a U-shaped rib 18, a nut 19, a pressing plate 20, a wood wedge 21 and a pressing rib 22; the bottom transverse edge of the U-shaped rib 18 is embedded in the lower tray beam 14; the vertical edges on the two sides of the U-shaped rib 18 are respectively positioned on the two sides of the section steel beam unit 15.1, and the upper end of the vertical edge of the U-shaped rib 18 exceeds the top of the section steel beam unit 15.1; the pressing plate 20 is longitudinally arranged at the top of the section steel beam unit 15.1, and through holes 24 penetrating through the U-shaped ribs 18 are formed in two ends of the pressing plate 20; the vertical edges at two sides of the U-shaped rib 18 penetrate through the through holes 24 at two ends of the pressure plate 20 and are fastened through the nuts 19; the wood wedges 21 are filled in gaps between two sides of the section steel beam unit 15.1 and the U-shaped ribs 18; the beads 22 are provided in the lower pallet beam 14 at two corner positions in the U-shaped bead 18.
The construction method of the reinforcement translation system of the elevator comprises the following steps.
The method comprises the following steps of firstly, detecting an existing elevator before transformation, and reporting the existing elevator translation transformation construction to a special equipment monitoring station after the detection is qualified; and cutting off the power supply after the elevator is detected to be qualified.
Checking and calculating the bearing capacity of the foundation; and carrying out bearing capacity checking calculation on the foundation on the translation path and the foundation at the planning position of the elevator after translation.
Step three, when the foundation bearing capacity meets the design requirement, constructing the slideway beam 12: two slideway beams 12 are constructed along the translation path, and the two slideway beams 12 are arranged below the elevator steel frame 2 at intervals along the longitudinal direction and at the positions corresponding to the front and rear steel frame columns 2.1.
Step four, constructing a lower-layer pallet beam 14: and constructing a lower-layer tray beam 14 on the periphery of the elevator steel frame 2 and above the slideway beam 12, and embedding U-shaped ribs 18 and press ribs 22 which are connected with an upper-layer tray beam 15 in the lower-layer tray beam 14.
And step five, installing a walking device 13 between the lower-layer pallet beam 14 and the slideway beam 12.
And step six, starting the elevator, moving the elevator car 4 and the elevator counterweight 5 to the designed and fixed position, and cutting off the power supply of the elevator.
And seventhly, reinforcing the elevator car 3, and mounting a car supporting and connecting rod 6 on the steel frame beam 2.2 at the bottom of the elevator car 4.
And step eight, reinforcing the elevator counterweight 5, mounting a supporting beam 7 on the steel frame beam 2.2 and at the bottom of the elevator counterweight 5, and mounting limiting rods 8 on the steel frame beams 2.2 on two sides of the elevator counterweight 5.
And step nine, constructing a guide rail reinforcing assembly, namely installing a support rod 10 on the steel frame beam 2.2 in a gap between the car guide rail 4 and the counterweight track 9, welding a fixed rod 11 at the top of the support rod 10, and welding the left end of the fixed rod 11 with the counterweight track 9.
Step ten, constructing 15 an upper layer tray beam, installing 15 the upper layer tray beam around the elevator steel frame 2 and on the top of the lower layer tray beam 14, and connecting the upper layer tray beam 15 and the lower layer tray beam 14.
And step eleven, connecting the upper-layer tray beam 15 and the steel frame column 2.1.
And step twelve, respectively cutting and separating the lower part of the original structural concrete column 1 and the lower part of the steel frame column 2.1, so that the walking device 13 bears force.
And thirteen, carrying out translation construction on the reinforced elevator until the construction is finished.
In this embodiment, the construction in step thirteen is completed, and then the following steps are included.
Fourteen, connecting and constructing the steel frame column 2.1: and installing a new steel column below the designed and translated elevator position and the cutting position of the steel frame column 2.1, and connecting by welding.
And fifthly, dismantling construction of the translation system and the reinforcement system.
Sixthly, detecting and accepting the translated elevator.
In the embodiment, before the construction in the first step, the existing elevator translation transformation construction is reported to a special equipment monitoring station, then the detection before the transformation of the existing elevator is carried out, and the transformation construction is carried out after the detection is qualified.
In this embodiment; the bridge 23 comprises a bottom plate 23.1 and a vertical support plate 23.2; the bottom plate 23.1 is connected to the top of the section steel beam unit 15.1 in a welding mode; two vertical support plates 23.2 are arranged on the bottom plate 23.1 at intervals along the transverse direction; the bottom of the vertical supporting plate 23.2 is connected with the bottom plate 23.1 in a welded mode, and the vertical edge of the vertical supporting plate 23.2 is connected with the steel frame column 2.1 in a welded mode.
In this embodiment, the detection content before the existing elevator transformation in the first step includes the following: 1. whether elevator machine control equipment (switches, lighting, driving hosts, control cabinets, speed limiters, grounding, protection devices and the like) meets requirements; 2. whether the shaft and elevator equipment (safety doors, access doors, guide rails, distance between the car and the shaft wall, limit switches, buffers and the like) meet requirements or not; 3. Whether the car and the counterweight meet the requirements or not; 4. whether the suspension device of the elevator and the compensation device of the elevator meet the requirements or not; 5. whether the car door and the landing door meet the requirements or not.
In this embodiment, step one still includes in carrying out the elevator test: the method comprises a balance coefficient test, a car accidental movement protection device test, a car speed limiter-safety tongs test, a counterweight speed limiter-safety tongs test, a running test, an emergency rescue test, an elevator speed, no-load dragging inspection, an uplink braking working condition dragging inspection, a downlink braking working condition dragging inspection, a static dragging test, a braking test and the like.
The above embodiments are not intended to be exhaustive or to limit the invention to other embodiments, and the above embodiments are intended to illustrate the invention and not to limit the scope of the invention, and all applications that can be modified from the invention are within the scope of the invention.
Claims (9)
1. A reinforcing translation system of an elevator is characterized in that original structure concrete columns (1) are arranged on the periphery of the elevator, and the elevator comprises an elevator steel frame (2) consisting of steel frame columns (2.1) and steel frame beams (2.2), a car (3), a car guide rail (4), an elevator counterweight (5) and a counterweight track (9); the two elevator counterweights (5) are symmetrically arranged on the left side and the right side of the elevator steel frame (2); the method is characterized in that: the reinforcing translation system comprises a reinforcing system for reinforcing the existing elevator and a translation system for translating the reinforced elevator; the reinforcing system comprises a car supporting and connecting rod (6), a counterweight reinforcing component and a guide rail reinforcing component; the car supporting and connecting rod (6) is horizontally arranged at the bottom of the car (3) and used for supporting the car (3); the counterweight reinforcing component comprises a supporting beam (7) and a limiting rod (8); the supporting and connecting beam (7) is transversely arranged on a steel frame beam (2.2) at the bottom of the elevator counterweight (5) and is used for supporting and connecting the two elevator counterweights (5); the limiting rods (8) are arranged on two sides of each elevator counterweight (5) to prevent the elevator counterweight (5) from shaking; the guide rail reinforcing assembly is arranged between the car guide rail (4) and the counterweight track (9) and comprises a support rod (10) and a fixed rod (11); the supporting rod (10) is longitudinally inserted in a gap between the car guide rail (4) and the counterweight track (9) and corresponds to the upper part of the elevator counterweight (5), and two ends of the supporting rod (10) are respectively overlapped on the steel frame beams (2.2) on the opposite sides; the right side surface of the support rod (10) is welded with the car guide rail (4); the fixed rod (11) is transversely welded at the top of the support rod (10), and the left end of the fixed rod (11) is welded with the counterweight track (9); the translation system comprises a slideway beam (12), a walking device (13), a lower tray beam (14) and an upper tray beam (15); the two slide way beams (12) are longitudinally arranged at intervals below the elevator steel frame (2) and at positions corresponding to the front and rear steel frame columns (2.1); four groups of walking devices (13) are arranged on the two slideway beams (12) in a rectangular shape, and the walking devices (13) on the left side and the right side of the elevator steel frame (2) are longitudinally corresponding to the original structural concrete column (1); four lower-layer tray beams (14) are respectively arranged on the periphery of the elevator steel frame (2), and the lower-layer tray beams (14) are erected at the tops of the walking devices (13) on the corresponding side; a through hole (16) penetrating through the original structural concrete column (1) is arranged in the lower layer tray beam (14); the lower layer tray beam (14) is fixedly connected with the original structure concrete column (1); the two upper-layer tray beams (15) are respectively arranged on the front side and the rear side of the elevator steel frame (2), and the upper-layer tray beams (15) are transversely overlapped on the tops of the two lower-layer tray beams (14); the upper layer tray beam (15) is fixedly connected with the lower layer tray beam (14); the steel frame columns (2.1) on the front side and the rear side of the elevator steel frame (2) penetrate through the upper layer tray beam (15) and are fixedly connected with the upper layer tray beam (15).
2. The reinforcement translation system of an elevator according to claim 1, wherein: the steel frame columns (2.1) are in a group and are arranged in a rectangular shape; the steel frame beam (2.2) comprises a steel frame cross beam and a steel frame longitudinal beam; the steel frame cross beams are provided with a plurality of layers and are connected between the steel frame columns (2.1) which are adjacent in the transverse direction at intervals along the vertical direction; the steel frame longitudinal beams are provided with a plurality of layers and are connected between the longitudinally adjacent steel frame columns (2.1) at intervals along the vertical direction; wherein, every layer of steel frame longeron is arranged with every layer of steel frame crossbeam correspondence.
3. The reinforcement translation system of an elevator according to claim 1, wherein: the car supporting and connecting rod (6) is made of a section steel rod piece and is obliquely connected between the steel frame beams (2.2) on the opposite side of the car (3); the end part of the car supporting and connecting rod (6) is connected with the steel frame beam (2.2) on the corresponding side in a welding mode.
4. The reinforcement translation system of an elevator according to claim 1, wherein: two ends of the supporting beam (7) are respectively welded and connected to the steel frame beam (2.2) on the opposite side of the elevator steel frame (2); the supporting beam (7) is connected with the elevator counterweight (5) in a welding manner; the limiting rods (8) are arranged at the upper parts of the two sides of the elevator counterweight (5) and at the positions corresponding to the steel frame beams (2.2); one end of the limiting rod (8) is connected with the steel frame beam (2.2) in a welding mode, and the other end of the limiting rod (8) is pressed on the side face of the elevator counterweight (5).
5. The reinforcement translation system of an elevator according to claim 1, wherein: the upper-layer pallet beam (15) comprises two section steel beam units (15.1), and the two section steel beam units (15.1) are arranged at intervals along the longitudinal direction; the longitudinal section of the section steel beam unit (15.1) is in an I shape, and connecting plates (17) are arranged between the tops of the two section steel beam units (15.1) at intervals along the transverse direction in parallel.
6. The reinforcement translation system of an elevator according to claim 5, wherein: the steel frame column (2.1) penetrates through a gap between the two section steel beam units (15.1); lap joints (23) are respectively arranged on the front side and the rear side of the steel frame column (2.1) and at positions corresponding to the tops of the section steel beam units (15.1); the bottom of the overlapping part (23) is connected to the section steel beam unit (15.1) in a welding mode, and the inner side of the overlapping part (23) is connected to the steel frame column (2.1) in a welding mode.
7. The reinforcement translation system of an elevator according to claim 5, wherein: the section steel beam unit (15.1) is connected with the lower-layer tray beam (14) through a bolt assembly; the bolt assemblies are provided with a plurality of groups at each end of the section steel beam unit (15.1); the bolt assembly comprises a U-shaped rib (18), a nut (19), a pressing plate (20), a wood wedge (21) and a pressing rib (22); the bottom transverse edge of the U-shaped rib (18) is embedded in the lower tray beam (14); the vertical edges on the two sides of the U-shaped rib (18) are respectively positioned on the two sides of the section steel beam unit (15.1), and the upper end of the vertical edge of the U-shaped rib (18) exceeds the top of the section steel beam unit (15.1); the pressing plate (20) is longitudinally arranged at the top of the section steel beam unit (15.1), and through holes (24) penetrating through the U-shaped ribs (18) are formed in the two ends of the pressing plate (20); the vertical edges at two sides of the U-shaped rib (18) penetrate through the through holes (24) at two ends of the pressing plate (20) and are fastened through nuts (19); the wooden wedges (21) are filled in gaps between two sides of the section steel beam unit (15.1) and the U-shaped ribs (18); the press ribs (22) are arranged in the lower layer tray beam (14) at two corner positions in the U-shaped ribs (18).
8. A method of constructing a reinforcement translation system for elevators according to any one of claims 1 to 7, comprising the steps of:
the method comprises the following steps of firstly, detecting an existing elevator before transformation, and reporting the existing elevator translation transformation construction to a special equipment monitoring station after the detection is qualified;
checking and calculating the bearing capacity of the foundation; carrying out bearing capacity checking calculation on the foundation on the translation path and the foundation at the planning position of the elevator after translation;
step three, when the foundation bearing capacity meets the design requirement, constructing the slideway beam (12): two slideway beams (12) are constructed along the translation path, and the two slideway beams (12) are longitudinally arranged at intervals below the elevator steel frame (2) at positions corresponding to the front and rear steel frame columns (2.1);
step four, constructing a lower-layer pallet beam (14): constructing a lower-layer tray beam (14) on the periphery of the elevator steel frame (2) and above the slideway beam (12), and embedding a U-shaped rib (18) and a pressing rib (22) which are connected with an upper-layer tray beam (15) in the lower-layer tray beam (14);
step five, a walking device (13) is arranged between the lower layer tray beam (14) and the slideway beam (12);
step six, starting the elevator, moving the elevator car (4) and the elevator counterweight (5) to the designed and fixed position, and cutting off the power supply of the elevator;
seventhly, reinforcing the elevator car (3), and installing a car supporting and connecting rod (6) on a steel frame beam (2.2) at the bottom of the elevator car (4);
step eight, reinforcing the elevator counterweight (5), mounting a supporting and connecting beam (7) on the steel frame beam (2.2) and the bottom of the elevator counterweight (5), and mounting limiting rods (8) on the steel frame beams (2.2) on two sides of the elevator counterweight (5);
step nine, constructing a guide rail reinforcing assembly, namely installing a support rod (10) on the steel frame beam (2.2) in a gap between the car guide rail (4) and the counterweight track (9), welding a fixed rod (11) at the top of the support rod (10), and welding the left end of the fixed rod (11) with the counterweight track (9);
step ten, constructing an upper-layer tray beam (15), installing the upper-layer tray beam (15) on the top of a lower-layer tray beam (14) and around the elevator steel frame (2), and connecting the upper-layer tray beam (15) with the lower-layer tray beam (14);
eleven, connecting the upper layer tray beam (15) and the steel frame column (2.1);
step twelve, respectively cutting and separating the lower part of the original structural concrete column (1) and the lower part of the steel frame column (2.1) to enable the walking device (13) to bear force;
and thirteen, carrying out translation construction on the reinforced elevator until the construction is finished.
9. The construction method of the reinforcement translation system of the elevator according to claim 8, wherein the detection content before the existing elevator transformation in the first step comprises the following steps: whether the elevator machine control equipment meets the requirements and whether the hoistway and elevator equipment meet the requirements.
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| CN117963677A (en) * | 2024-04-01 | 2024-05-03 | 上海建工一建集团有限公司 | Aerial in-situ underpinning platform structure of super high-rise construction elevator and construction method thereof |
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