CN113137047A - Safety construction platform for machine-room-less elevator shaft - Google Patents
Safety construction platform for machine-room-less elevator shaft Download PDFInfo
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- CN113137047A CN113137047A CN202110431308.1A CN202110431308A CN113137047A CN 113137047 A CN113137047 A CN 113137047A CN 202110431308 A CN202110431308 A CN 202110431308A CN 113137047 A CN113137047 A CN 113137047A
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- 238000010276 construction Methods 0.000 title claims abstract description 65
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 229910000838 Al alloy Inorganic materials 0.000 claims description 7
- 239000000956 alloy Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 230000009194 climbing Effects 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 16
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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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
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/18—Scaffolds essentially supported by building constructions, e.g. adjustable in height supported by cantilevers or other provisions mounted in openings in the building, e.g. window openings
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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
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/20—Scaffolds essentially supported by building constructions, e.g. adjustable in height supported by walls
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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
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/24—Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons
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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
- E04G5/00—Component parts or accessories for scaffolds
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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
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/007—Devices and methods for erecting scaffolds, e.g. automatic scaffold erectors
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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
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/10—Steps or ladders specially adapted for scaffolds
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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
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/16—Struts or stiffening rods, e.g. diagonal rods
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Types And Forms Of Lifts (AREA)
Abstract
The invention discloses a safe construction platform for a machine-room-less elevator shaft, which comprises a beam structure, a plate structure and a bracket, wherein the beam structure is provided with a beam support; the beam structure is obliquely erected in the elevator shaft, the bottom end of the beam structure is fixedly connected with the elevator shaft, and the top end of the beam structure abuts against the wall of the elevator shaft; the plate structure is movably connected with the beam structure, and can rotate around the connection part of the plate structure and the beam structure; the support is used for supporting the plate structure, so that the plate structure forms a standing construction platform in the elevator shaft; the support can be detached and the plate structure can be put down. Compared with the traditional scaffold building platform, the scaffold building platform saves a large amount of manpower, material resources and time; the operation can be directly built at the top layer of the elevator shaft, and the efficiency is greatly improved. The plate structure of the safe construction platform is movably connected with the beam structure, the plate structure is overturned upwards, and the bottom of the plate structure is supported by the support, so that the construction platform can be formed in the elevator shaft for construction operation, and the construction is very quick and convenient.
Description
Technical Field
The invention belongs to the technical field of elevator construction auxiliary equipment, and particularly relates to a safe construction platform for a machine-room-less elevator shaft.
Background
The elevator without machine room is an elevator which does not need a building to provide a closed special machine room for installing devices such as an elevator driving main machine, a control cabinet, a speed limiter and the like. For saving space, the machine room-less elevator changes the control cabinet, the host machine, the speed limiter and other devices which are installed in the machine room above the well in the past into installation in the well, cancels the special machine room setting, and reduces the construction cost while effectively improving the utilization rate of the construction area.
In the installation method process of the elevator without the machine room, it is often necessary to install hoisting points, install hoisting beams, etc. in the top floor of the elevator shaft. In the traditional process, a scaffold mounting method is adopted, the scaffold is erected from bottom to top in an elevator shaft, the erection and the dismantling are time-consuming and labor-consuming, and the traditional process is extremely complicated in erection. At present, a scaffold-free installation method is being gradually used in the industry.
The invention discloses a Chinese patent with publication number CN111119461A, which is an operation platform for installing a top hoisting point in a steel structure elevator shaft, is arranged in the elevator shaft of the topmost floor, and comprises two horizontally arranged supporting bottom beams, wherein one end of each supporting bottom beam is fixed on the floor, and the other end of each supporting bottom beam extends into the elevator shaft; the upper ends of the parts of the two supporting bottom beams positioned in the elevator shaft are provided with lower pedals; each supporting bottom beam is provided with a ladder stand which is vertically arranged. When the hoisting point installation operation is needed, a constructor can stand on the upper pedal and then can perform the hoisting point installation operation, the upper pedal can provide a certain operation space for the constructor, the hoisting point installation and construction are convenient, and meanwhile, the safety of the constructor is guaranteed to a certain extent.
The installation mode of the existing operation platform consumes long time and a large amount of materials when the operation platform is built, and the efficiency is low. Meanwhile, because constructors need to build an operation platform on the top layer of the elevator shaft, personal safety of the constructors is threatened.
The invention discloses a construction scaffold platform erected in an elevator shaft of a super high-rise building, which is a Chinese patent with publication number CN106703388A, and comprises two I-shaped steel beams obliquely erected at the position of an elevator shaft door opening, and a scaffold working platform with the lower end connected with the I-shaped steel beams.
The invention can be directly erected by utilizing the door opening of the elevator shaft, the structure of the invention is simpler than the technology of the previous invention, but the working personnel still need to erect a scaffold working platform on the I-shaped steel of the two suspension frames, and the invention has great threat to the personal safety of the construction personnel.
Disclosure of Invention
The invention aims to solve the technical problems and provides a safe construction platform for a machine-room-less elevator shaft.
In order to solve the problems, the invention is realized according to the following technical scheme:
the invention provides a safe construction platform for a machine-room-less elevator shaft, which is characterized by comprising a beam structure, a plate structure and a bracket, wherein the beam structure is provided with a beam structure and a beam structure;
the beam structure is obliquely erected in the elevator shaft, the bottom end of the beam structure is fixedly connected with the elevator shaft, and the top end of the beam structure abuts against the wall of the elevator shaft;
the plate structure is movably connected with the beam structure, and can rotate around the connection part of the plate structure and the beam structure;
the support is used for supporting the plate structure, so that the plate structure forms a standing construction platform in the elevator shaft; the support can be detached and the plate structure can be put down.
Preferably, the support and the beam structure are respectively used for supporting the front end and the rear end of the plate structure;
the bottom end of the support is fixed on the beam structure in a limiting mode, and the beam structure, the plate structure and the support form a stable triangular structure.
Preferably, the front end and the rear end of the plate structure are respectively provided with a U-shaped groove, and the plate structure is respectively detachably and movably connected with the beam structure and the support based on the U-shaped grooves.
Preferably, the beam structure is provided with two connecting columns which are matched with the U-shaped grooves, and the plate structure is movably hung on the connecting columns based on the U-shaped grooves;
when the plate structure is put down, the plate structure can be superposed on the upper surface of the beam structure, and the U-shaped grooves of the plate structure are correspondingly embedded on the two connecting columns so as to limit the displacement of the plate structure.
Preferably, the plate structure comprises a plurality of individual plates;
a plurality of independent plate body sets up side by side at interval in proper order, independent plate body adopts the channel-section steel column structure that the section shape is the recess shape.
Preferably, the beam structure comprises a beam body and a mount;
the mounting seat is fixedly connected with an elevator shaft;
the bottom of the beam main body is movably hinged with the mounting seat, and the beam main body can rotate around the fixing seat.
Preferably, the mounting seat comprises a fixing part, a hinge part and a limiting part which are of an integral structure;
the fixing part is a strip-shaped angle-shaped joint metal plate and is fixed on a bottom plate of a door opening of the elevator shaft through a bolt;
the hinge part is used for being hinged with the beam main body;
the limiting part is used for limiting the fixing support, and the bottom end of the support is embedded in the limiting part.
Preferably, the beam body comprises at least two of a platform frame beam and a cross beam;
the two platform frame beams are oppositely arranged at intervals, and the bottoms of the platform frame beams are movably hinged with the mounting seat;
many interval sets gradually between the crossbeam, the crossbeam is used for linking up two platform frame roof beams to constitute the frame construction of square with platform frame roof beam.
Preferably, the support is a climbing ladder structure formed by combining two vertical rods and a plurality of cross rods.
Preferably, the beam structure, the plate structure and the bracket are all made of aluminum alloy materials.
Compared with the prior art, the invention has the beneficial effects that:
1. compared with the traditional scaffold building platform, the scaffold building platform saves a large amount of manpower, material resources and time; the operation can be directly built at the top layer of the elevator shaft, and the efficiency is greatly improved.
2. When the safe construction platform is built, the beam structure is obliquely erected in the elevator shaft, the bottom end of the beam structure is fixed, and the top end of the beam structure is abutted against the wall of the elevator shaft, so that stable, safe and reliable rigid support can be formed. The structure of the plate and the beam structure are movably connected, the plate structure is turned upwards, and the bottom of the support supporting plate structure is used for forming a construction platform for one person in the elevator shaft, so that construction operation is carried out, and the elevator shaft is very quick and convenient to build.
3. Compared with the existing scaffold-free product, the invention is safer and more reliable, and the scaffold-free construction platform can be formed in the elevator shaft by using the bracket for supporting after the structure of the turnover plate is formed. And when adopting this application, constructor only need carry out the operation in elevartor shaft door opening department, and form the people construction platform of standing fast. The construction platform for the station people is not required to be built by workers in the elevator shaft, and the construction platform for the station people is not required to be built by the workers on the frame beam.
4. The safe construction platform can be repeatedly used, greatly saves cost, and can quickly finish the installation work of the high-rise elevator which is difficult to finish by building the scaffold platform before.
5. The safe construction platform has simple component structure and is convenient to transport, turnover and store.
Drawings
Embodiments of the invention are described in further detail below with reference to the attached drawing figures, wherein:
FIG. 1 is a schematic illustration of the safety construction platform of the present invention in a hoistway;
FIG. 2 is a front view of the safety construction platform of the present invention;
FIG. 3 is a schematic perspective view of the safety construction platform of the present invention;
FIG. 4 is a schematic view of a beam body of the beam structure of the present invention;
FIG. 5 is a side view of the beam body of the beam structure of the present invention;
FIG. 6 is a top view of the mounting base of the beam structure of the present invention;
FIG. 7 is a side view of the mounting base of the beam structure of the present invention;
FIG. 8 is a schematic structural view of a plate structure of the present invention;
FIG. 9 is a schematic structural view of a stent of the present invention;
in the figure:
10-beam structure, 11-beam main body, 111-platform frame beam, 112-cross beam, 113-connecting column, 12-mounting seat, 121-fixing part, 122-hinging part and 123-limiting part;
20-plate structure, 21-independent plate body, 211-U-shaped groove
30-bracket, 31-vertical rod and 32-cross rod.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
In the traditional building industry, the method of building a scaffold in an elevator shaft is mostly adopted to realize the installation of the elevator. The installation of adopting the scaffold to realize the elevator, nevertheless it is more troublesome to build the scaffold, and it is more to take time, and work efficiency is not high, but also very unsafe. At present, also adopt elevator installation hanging flower basket to carry out the elevator installation, creep on fixed wire rope through the hoist motor promptly to drive the mounting platform of connection on the lifting machine and remove, constructor can stand and construct on mounting platform, has removed the time of building the scaffold from, and factor of safety is higher.
In the construction process of elevator installation by using an elevator installation hanging basket or a machine room-less elevator, a hanging point, a hanging beam and the like are installed in the top layer of an elevator shaft. The current elevartor shaft construction platform, ubiquitous following problem:
(1) the structure is complicated, spare part is numerous, consumes very long time and a large amount of materials when setting up the operation platform, and efficiency is very low. Meanwhile, as constructors need to build a construction platform with a complex structure in the top-layer shaft of the elevator shaft, the personal safety of the constructors is greatly threatened. Such as the Chinese patent invention with the publication number of CN 111119461A.
(2) Compared with the prior construction platform, the beam-erecting construction platform is simpler in technology. However, based on the structure of the scaffold, a constructor still needs to enter the elevator shaft, and a scaffold working platform is erected on the I-shaped steel of the two high-altitude suspensions, so that the personal safety of the constructor is threatened greatly. Such as the Chinese patent invention with the publication number of CN 106703388A.
Therefore, the invention innovatively designs the safe construction platform for the machine-room-less elevator shaft.
As shown in fig. 1 to 9, a preferred structure of a safety construction platform for a machine room-less elevator shaft according to the present invention.
As shown in fig. 1, the safety construction platform according to the present invention includes a beam structure 10, a plate structure 20, and a bracket 30. Wherein the beam structure 10 is used to provide rigid support within the hoistway and the brackets 30 are used with the beam structure 10 to support the panel structure 20 together. On the other hand, the plate structure 20 is movably connected with the beam structure 10, and the plate structure 20 can rotate around the connection part with the beam structure 10; the plate structure 20 is overturned upwards, and the bracket 30 is used for supporting the plate structure 20, so that the plate structure 20 forms a standing construction platform in the elevator shaft; the bracket 30 can also be removed and the plate structure 20 lowered.
In a preferred embodiment of the present invention, as shown in fig. 1, the bracket 30 and the beam structure 10 are used to support the front and rear ends of the plate structure 20; the bottom end of the support 30 is limited and fixed on the beam structure 10, and the beam structure 10, the plate structure 20 and the support 30 form a stable triangular structure. So that the whole safe construction platform has the characteristics of triangular stability, firmness and pressure resistance; the safe construction platform is safer and more reliable.
As shown in fig. 3, in one embodiment of the invention, the beam structure 10 is obliquely erected in the elevator shaft, the bottom end of the beam structure 10 is fixedly connected with the elevator shaft, and the top end of the beam structure 10 abuts against the wall of the elevator shaft. Through the bottom mounting with beam structure 10 to support the slope of beam structure 10 to lean on the wall of a well of elevartor shaft can, as main bearing structure, under support 30 synergism, the beam structure 10 of placing through the slope can guarantee that the installation of safe construction platform is stable, satisfies the construction requirement, and construction speed is extremely fast.
In one implementation, as shown in fig. 4, 5 and 6, the beam structure 10 includes a beam body 11 and a mount 12. The mounting base 12 is used for being fixedly connected with an elevator shaft. The bottom end of the beam main body 11 is movably hinged with the mounting seat 12, and the beam main body 11 can rotate around the fixing seat.
The beam main body 11 is a rectangular metal frame structure, and the beam main body 11 includes at least two platform frame beams 111 and a cross beam 112. The two platform frame beams 111 are arranged at opposite intervals, and the bottom of the platform frame beam 111 is movably hinged with the mounting base 12. Many the crossbeam 112 sets up at interval in proper order between the crossbeam 112, crossbeam 112 is used for linking up two platform frame roof beams 111 to constitute the frame construction of rectangular body with platform frame roof beam 111.
The platform frame beams 111 and the cross beams 112 may be of a long-strip-shaped steel structure, such as i-steel, square steel, channel steel, steel rail, and the like, and meet construction requirements, which can be realized by those skilled in the art. Meanwhile, the present invention is not limited to the material of the platform frame beam 111 and the cross beam 112, and may be iron, steel, aluminum alloy, etc. Preferably, the beam main body 11 is made of an aluminum alloy material, and the aluminum alloy beam body has the advantages of light self weight, high strength, corrosion resistance, small deformation, long service life and the like, and can meet the requirements of repeated use and strength.
As shown in fig. 7, the mounting base 12 includes a fixing portion 121, a hinge portion 122, and a stopper portion 123, which are integrally formed. The fixing portion 121 is an elongated angle-shaped joint plate (i.e., an angle-iron structure, a section steel having an L-shaped cross section), and the fixing portion 121 is fixed to a bottom plate of a door opening of the elevator shaft by a bolt. Wherein the hinge portion 122 is used for being hinged with the beam main body 11. The limiting part 123 is used for limiting and fixing the bracket 30, and the bottom end of the bracket 30 is embedded in the limiting part 123.
Specifically, the fixing portion 121 includes an integrated vertical plate body and a horizontal plate body, the horizontal plate body is flatly placed on a door opening floor of the elevator shaft, and a plurality of bolt holes are formed in the horizontal plate body to be fixedly connected with anchor bolts and the like on the door opening floor. When the elevator shaft is installed, the vertical plate body is preferably tightly attached to the wall of the elevator shaft. Preferably, the width of the horizontal plate is much greater than that of the vertical plate, so as to avoid the collapse of the beam structure 10 caused by the damage of the floor structure during the construction of the fixed mounting seat 12 (such as drilling and driving explosive bolts).
On the other hand, a hinge seat is provided at the bottom of the platform frame beam 111, and the hinge seat of the platform frame beam 111 is connected to the hinge portion 122 of the mounting base 12 by a pin, a guide shaft, or the like, so as to realize the hinge connection therebetween.
Specifically, the present invention provides an installation method of the upper beam structure 10:
move beam structure 10 to the door opening department of elevartor shaft, with the bottom side of 12 counterpoint door openings of mount pad, counterpoint mount pad 12 adaptation at the door opening edge, the diaphragm laminating of mount pad 12 is subaerial, and the riser body is hugged closely the elevartor shaft wall of a well and is excellent, through bolt fixed mounting 12. After the mounting seat 12 is fixed, the beam main body 11 is slowly put down until the beam main body 11 abuts against the wall of the elevator shaft.
Under this structure, the length of roof beam main part 11 can be according to the nimble setting of size of elevartor shaft, and the suitability is strong, satisfies the construction requirement of each type elevartor shaft. On the other hand, a constructor can directly set up at the door opening of the elevator shaft without entering the elevator shaft to install the beam structure 10.
In the present invention, the movable connection between the plate structure 20 and the beam structure 10 may be a hinge, a movable clamp, an embedded movable hook, etc.
In one implementation, the beam structure 10 is provided with two connecting columns 113, and the connecting columns 113 are connected to the upper surface of the platform frame beam 111. The post is used for movably connecting with the plate structure 20, and the plate structure 20 can rotate around the post 113. Specifically, slab structure 20 and beam structure 10 can be integrally formed by means of hinge, such as a hinge provided on slab structure 20 to hinge with connecting column 113.
As shown in fig. 8, the present invention provides a movable connection structure of a plate structure 20 and a beam structure 10, wherein the movable connection mode of the plate structure 20 and the beam structure 10 is an embedded movable hanging connection.
Wherein, the front and back ends of the plate structure 20 are respectively provided with a U-shaped groove 211, and the plate structure 20 is detachably and movably connected with the beam structure 10 and the bracket 30 based on the U-shaped groove 211. On one hand, U-shaped groove 211 is matched with the outer diameter of connecting column 113, plate structure 20 is movably hung on connecting column 113 through U-shaped groove 211, and plate structure 20 can rotate around connecting column 113. On the other hand, another U-shaped groove 211 is also used for the detachable embedded connection of the bracket 30, after the plate structure 20 is flipped upward, the top of the bracket 30 is clipped into the U-shaped groove 211, so that the connection between the bracket 30 and the plate structure 20 can be completed quickly to provide support, and the bracket 30 can be detached from the plate structure 20 quickly to put down the plate structure 20.
According to the present invention, preferably, when slab structure 20 is lowered, slab structure 20 is stacked on the upper surface of beam structure 10, and U-shaped grooves 211 of slab structure 20 are correspondingly engaged with two connecting columns 113 to limit the displacement of slab structure 20.
In particular, the present invention also provides a preferred embodiment of plate structure 20. As shown in fig. 3, the plate structure 20 includes a plurality of independent plate bodies 21, the independent plate bodies 21 are sequentially arranged in parallel at intervals, and the section of each independent plate body 21 is a groove-shaped channel steel structure. The U-shaped grooves 211 are formed on two vertical plates of the independent plate body 21.
In a preferred embodiment, the plurality of independent plates 21 are connected to one another by connecting members, such as by welding the connecting members to form one piece, or by bolts and fixing plates.
As shown in fig. 9, the support 30 has a climbing ladder structure in which two vertical bars 31 and a plurality of horizontal bars 32 are combined. The length of the cross bar 32 at the top of the bracket 30 is much longer than that of the other cross bars 32, and the cross bars are completely clamped into the U-shaped groove 211 of the plate structure 20 in an interference fit manner, so that the bracket 30 is prevented from being separated from the U-shaped groove 211, and accidents are avoided.
Specifically, based on the structure of the bracket 30, the limiting portion 123 of the mounting base 12 is a metal plate. The limiting portion 123 is provided with a groove, and the notch of the groove faces upwards, so that the cross rod 32 at the bottom of the support 30 can be clamped into the groove quickly, the bottom of the support 30 can be limited and fixed, the support 30 can be separated quickly, and the support 30 can be dismounted.
In the present invention, the beam structure 10, the plate structure 20 and the bracket 30 are preferably made of aluminum alloy material. The safety construction platform is light (made of all aluminum alloy materials), the weight is reduced, the safety factor is improved, and the safety construction platform can be applied to the well with the length of more than 60-100 meters.
Other constructions of a safety construction platform for machine room-less elevator hoistways described in this embodiment are known from the prior art.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, so that any modification, equivalent change and modification made to the above embodiment according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (10)
1. A safe construction platform for a machine-room-less elevator shaft is characterized by comprising a beam structure for bearing, a plate structure and a support;
the beam structure is obliquely erected on the elevator shaft wall, the bottom end of the beam structure is fixedly connected with the elevator shaft, and the top end of the beam structure abuts against the shaft wall of the elevator shaft;
the plate structure is movably connected with the beam structure, and can rotate around the connection part of the plate structure and the beam structure;
the support is used for supporting the plate structure, so that the plate structure forms a standing construction platform in the elevator shaft; the support can be detached and the plate structure can be put down.
2. The safety construction platform for a machine room-less elevator hoistway of claim 1, wherein:
the support and the beam structure are respectively used for the front end and the rear end of the supporting plate structure;
the bottom end of the support is fixed on the beam structure in a limiting mode, and the beam structure, the plate structure and the support form a stable triangular structure.
3. The safety construction platform for a machine room-less elevator hoistway according to claim 1 or 2, characterized in that:
the front end and the rear end of the plate structure are respectively provided with a U-shaped groove, and the plate structure is respectively movably connected with the beam structure and the support in a detachable mode based on the U-shaped grooves.
4. A safety construction platform for a machine room-less elevator hoistway as defined in claim 3, wherein:
the beam structure is provided with two connecting columns which are matched with the U-shaped grooves, and the plate structure is movably hung on the connecting columns based on the U-shaped grooves;
when the plate structure is put down, the plate structure can be superposed on the upper surface of the beam structure, and the U-shaped grooves of the plate structure are correspondingly embedded on the two connecting columns so as to limit the displacement of the plate structure.
5. A safety construction platform for a machine room-less elevator hoistway as claimed in claim 3, wherein the plate structure comprises a plurality of individual plates;
a plurality of independent plate body sets up side by side at interval in proper order, independent plate body adopts the channel-section steel column structure that the section shape is the recess shape.
6. The safety construction platform for a machine room-less elevator hoistway of claim 1, wherein the beam structure includes a beam body and a mount;
the mounting seat is fixedly connected with an elevator shaft;
the bottom of the beam main body is movably hinged with the mounting seat, and the beam main body can rotate around the fixing seat.
7. The safety construction platform for a machine room-less elevator hoistway of claim 6, wherein the mount includes a fixing portion, a hinge portion, and a stopper portion of an integral structure;
the fixing part is a strip-shaped angle-shaped joint metal plate and is fixed on a bottom plate of a door opening of the elevator shaft through a bolt;
the hinge part is used for being hinged with the beam main body;
the limiting part is used for limiting the fixing support, and the bottom end of the support is embedded in the limiting part.
8. The safety construction platform for a machine room-less elevator hoistway of claim 6 or 7, wherein the beam main body includes at least two platform frame beams and a cross beam;
the two platform frame beams are oppositely arranged at intervals, and the bottoms of the platform frame beams are movably hinged with the mounting seat;
many interval sets gradually between the crossbeam, the crossbeam is used for linking up two platform frame roof beams to constitute the frame construction of square with platform frame roof beam.
9. The safety construction platform for a machine room-less elevator hoistway of claim 1, wherein:
the support is a climbing ladder structure formed by combining two vertical rods and a plurality of transverse rods.
10. The safety construction platform for a machine room-less elevator hoistway of claim 1, wherein:
the beam structure, the plate structure and the support are all made of aluminum alloy materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110431308.1A CN113137047A (en) | 2021-04-21 | 2021-04-21 | Safety construction platform for machine-room-less elevator shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110431308.1A CN113137047A (en) | 2021-04-21 | 2021-04-21 | Safety construction platform for machine-room-less elevator shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113137047A true CN113137047A (en) | 2021-07-20 |
Family
ID=76813586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110431308.1A Pending CN113137047A (en) | 2021-04-21 | 2021-04-21 | Safety construction platform for machine-room-less elevator shaft |
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| CN (1) | CN113137047A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114150855A (en) * | 2021-10-25 | 2022-03-08 | 日立电梯（中国）有限公司 | Overhanging type aluminum operation platform for elevator shaft |
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| WO2020216983A1 (en) * | 2019-04-26 | 2020-10-29 | Javier Lera Prada | Platform for work in elevator shafts |
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| CN215443025U (en) * | 2021-04-21 | 2022-01-07 | 广州安速通建筑工程机械有限公司 | Safety construction platform for machine-room-less elevator shaft |
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| CN2660025Y (en) * | 2003-11-01 | 2004-12-01 | 姚康华 | Boatswain's chair |
| US20110024231A1 (en) * | 2009-07-30 | 2011-02-03 | Wurth Steven P | Foldable hoistway work deck |
| CN206844646U (en) * | 2017-06-29 | 2018-01-05 | 荣华建设集团有限公司 | A kind of high flexible assembly type elevator its support reinforcement mechanism of applicability |
| WO2020216983A1 (en) * | 2019-04-26 | 2020-10-29 | Javier Lera Prada | Platform for work in elevator shafts |
| CN211229459U (en) * | 2019-11-12 | 2020-08-11 | 中铁天丰建筑工程有限公司 | Scaffold in elevator well |
| CN212002170U (en) * | 2019-11-27 | 2020-11-24 | 北京建工建筑产业化投资建设发展有限公司 | Adjustable support for elevator shaft operating platform |
| CN215443025U (en) * | 2021-04-21 | 2022-01-07 | 广州安速通建筑工程机械有限公司 | Safety construction platform for machine-room-less elevator shaft |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114150855A (en) * | 2021-10-25 | 2022-03-08 | 日立电梯（中国）有限公司 | Overhanging type aluminum operation platform for elevator shaft |
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