CN113216593A - Anti-falling hoisting device for elevator shaft of high-rise building - Google Patents

Anti-falling hoisting device for elevator shaft of high-rise building Download PDF

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Publication number
CN113216593A
CN113216593A CN202011426259.4A CN202011426259A CN113216593A CN 113216593 A CN113216593 A CN 113216593A CN 202011426259 A CN202011426259 A CN 202011426259A CN 113216593 A CN113216593 A CN 113216593A
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CN
China
Prior art keywords
elevator shaft
hoisting
platform unit
unit
elevator
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Pending
Application number
CN202011426259.4A
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Chinese (zh)
Inventor
王志军
周文财
温淑荔
刘佳
吴铎星
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Railway 18th Bureau Group Co Ltd
Fourth Engineering Co Ltd of China Railway 18th Bureau Group Co Ltd
Original Assignee
China Railway 18th Bureau Group Co Ltd
Fourth Engineering Co Ltd of China Railway 18th Bureau Group Co Ltd
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Application filed by China Railway 18th Bureau Group Co Ltd, Fourth Engineering Co Ltd of China Railway 18th Bureau Group Co Ltd filed Critical China Railway 18th Bureau Group Co Ltd
Priority to CN202011426259.4A priority Critical patent/CN113216593A/en
Publication of CN113216593A publication Critical patent/CN113216593A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G3/00Scaffolds essentially supported by building constructions, e.g. adjustable in height
    • E04G3/28Mobile scaffolds; Scaffolds with mobile platforms
    • E04G3/30Mobile scaffolds; Scaffolds with mobile platforms suspended by flexible supporting elements, e.g. cables
    • E04G3/32Hoisting devices; Safety devices
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G3/00Scaffolds essentially supported by building constructions, e.g. adjustable in height
    • E04G3/28Mobile scaffolds; Scaffolds with mobile platforms
    • E04G3/34Mobile scaffolds; Scaffolds with mobile platforms characterised by supporting structures provided on the roofs
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G5/00Component parts or accessories for scaffolds
    • E04G5/001Safety or protective measures against falling down relating to scaffoldings

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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

A falling-preventing hoisting device for a high-rise building elevator shaft comprises a hoisting unit and a platform unit, wherein the hoisting unit is erected at the position of the elevator shaft opening on the top of the high-rise building, and the lower part of the hoisting unit is movably hoisted, connected and positioned to the platform unit erected inside the elevator shaft; the hoisting unit comprises a hoisting beam, a crane and a plurality of triangular supports; the hoisting beam is horizontally and transversely suspended above the opening of the elevator shaft, the hoisting beam is supported by a triangular bracket, and the middle part of the hoisting beam is connected with a crane in a sliding manner; the top of the platform unit is connected with a crane, one side of the platform unit is supported on the inner wall of the elevator shaft, the other side of the platform unit is arranged at the edge of the elevator door, and a fixing block which extends downwards and is matched and clamped with the bottom end of the platform unit at the edge of the elevator door is fixedly arranged at the bottom end of the platform unit. The anti-falling device in the elevator shaft can be transported by the hoisting unit through the hoisting mode at the top of the elevator shaft, the platform unit does not need to be fixedly provided with an additional auxiliary fixing structure on the inner wall of the elevator shaft, the construction is more convenient and safer, and the construction period is shorter.

Description

Anti-falling hoisting device for elevator shaft of high-rise building
Technical Field
The invention relates to the technical field of building construction, in particular to a falling-preventing hoisting device for an elevator shaft of a high-rise building.
Background
In the building construction, holes such as a drainage pipeline well, a strong and weak current pipe well, an elevator well and the like are reserved, wherein the potential safety hazard of the opened elevator well is the largest, and the safety protection workload is also the largest. In the high-rise building work progress, the protection of elevator shaft entrance to a cave is job site safety protection's key, and the elevator shaft entrance to a cave also is the high district that sends out of eminence safety accident that falls, and current industry standard has clear and definite regulation to the protection in the elevator shaft: horizontal partitions and safety plain nets are arranged in every 2 layers and less than or equal to 10m in the elevator shaft to prevent falling from high altitude.
At present, the common elevator shaft protection method on the construction site is to weld reinforcing steel bars which are vertically spaced at a certain distance with reinforcing steel bars which are sealed into frames on the periphery to form a simple protection net sheet, the simple protection net sheet needs to be sent into an elevator shaft from an elevator door of an interlayer for assembly and fixation when being installed, and a layer of anti-falling check block is arranged without spacing 2-3 layers. The anti-falling check block is low in flexibility, cannot be lifted synchronously even though the height of a construction layer rises, and is easy to cause falling accidents in the installation and disassembly processes.
In addition, the common elevator shaft protection method on the construction site is that reinforcing steel bars are welded with reinforcing steel bars which are sealed into a frame at the periphery at certain intervals in the vertical direction to form a simple protection net sheet, and the simple protection net sheet is fixed on the wall of the elevator shaft by expansion screws, so that the installation is troublesome. When the workman need be in the elevartor shaft construction, will demolish the guard gate, need fix with the inflation screw again when installing once more, lead to the unable proper installation go back in many times, the guard gate is destroyed easily like this, has also left the potential safety hazard when causing the waste.
Through published patent searches, the following comparison documents were found:
the invention discloses an elevator guide rail hoisting transport vehicle (CN 207175399U). The invention discloses a falling-prevention lock rail triggering mechanism for an elevator installation construction platform. When the elevator guide rail lifting device works, the elevator guide rail with the lower part installed is used as the elevator guide rail to lift the running track of the transport vehicle, and the guide shoe is clamped on the elevator guide rail. The uninstalled elevator guide rail is hung on the guide rail hanging hole through the shackle and the chain, and after the operator finishes installing one section of guide rail, the shackle can be opened to take out the hung guide rail to be installed for installing the next section of guide rail. The hole sites connected by the adjusting bolts can change the width of the elevator guide rail hoisting transport vehicle so as to adapt to elevator shafts with different widths. The elevator tool lifting platform is simple in structure, and the auxiliary equipment for conveying the elevator guide rail is arranged for the elevator tool lifting platform, so that the working efficiency of installing the working elevator guide rail is greatly improved.
The invention discloses an inclined frame supporting type anti-falling hard partition frame (CN209324020U) in an elevator shaft, which comprises a shaped platform, wherein the lower part of a shaped platform plate is provided with a support upright post, the bottom of the support upright post is provided with an upright post expanding bottom plate, the edge of the shaped platform plate is subjected to edge plugging treatment by a rotary support rear-unfolding side plate and a flat plate rubber edge covering, a node connecting plate is arranged between the support upright post and a reinforced triangular support frame, a compression joint rotary plate with a hinge is arranged near the bottom of the support upright post, the other end of the compression joint rotary plate is fixed on a floor plate through a fixing screw rod, the inclined frame supporting type anti-falling hard partition frame in the elevator shaft is adopted, welding is carried out after spot welding, the deformation of a frame body is prevented, and the construction is simple and easy, and can be used repeatedly after the ground welding processing is successful, and does not need to use steel pipe fasteners, thereby saving manpower and material resources.
Through analysis, the above-mentioned published patent has great difference from the present application in structure and function, and therefore does not affect the novelty of the present application.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides the anti-falling hoisting device for the elevator shaft of the high-rise building, the platform unit of the anti-falling hoisting device does not need to be fixedly provided with an additional auxiliary fixing structure on the inner wall of the elevator shaft, the integrity of the inner wall of the elevator shaft is ensured, and the problem of prolonging the construction period caused by the disassembly and assembly of the auxiliary fixing structure is solved; the lifting unit can transport the anti-falling device in the elevator shaft in a lifting mode at the top of the elevator shaft, and is convenient to lift and unload, a triangular support capable of shifting and translating is specially designed at the top of the elevator shaft, so that the construction is more convenient and safer, and the construction period is shorter.
A falling-preventing hoisting device for a high-rise building elevator shaft comprises a hoisting unit and a platform unit, wherein the hoisting unit is erected at the position of the elevator shaft opening on the top of the high-rise building, and the lower part of the hoisting unit is movably hoisted, connected and positioned to the platform unit erected inside the elevator shaft; the hoisting unit comprises a hoisting beam, a crane and a plurality of triangular supports which are spanned and connected on the top surfaces of roofs on two sides of the elevator shaft in a sliding manner; the hoisting beam is horizontally and transversely hung above the opening of the elevator shaft, two ends of the hoisting beam are respectively hoisted and fixed on the triangular supports, and the middle part of the hoisting beam is slidably connected with a crane; a plurality of channel steel guide rails which are horizontally and longitudinally arranged are fixedly arranged on the roof top surfaces at two sides of the elevator shaft, and triangular supports are supported on the channel steel guide rails in a matched and sliding manner; the top of the platform unit is hoisted by a crane, the lower part of the platform unit is suspended in the air, one side of the top of the platform unit is propped against the inner wall of the elevator shaft, and the other side of the bottom of the platform unit is positioned and erected at a right-angle corner between the inner wall of the elevator shaft and a horizontal floor slab in the elevator door; the bottom end of the platform unit inclines downwards to extend into the elevator door, and the bottom end of the platform unit is symmetrical and fixedly provided with fixing blocks which extend downwards and are matched and clamped with the bottom end of the platform unit to form a right-angle corner.
The triangular support comprises a plurality of top beams, I-steel hanging beams, I-steel inclined struts and sliding bottom supports, wherein the top beams are symmetrically arranged along the horizontal transverse span, and the I-steel hanging beams arranged along the horizontal longitudinal direction are fixedly welded on the bottom surfaces of the two ends of the top beams; the middle part of the I-shaped steel hanging beam is fixedly provided with a hook, and two ends of the I-shaped steel hanging beam are fixedly provided with I-shaped steel inclined struts which are symmetrical in span and are obliquely arranged downwards; the bottom of the I-steel inclined strut is fixedly welded with a sliding bottom support, and the bottom surface of the sliding bottom support is rotatably provided with a plurality of pulleys sliding in the channel steel guide rail.
The platform unit comprises a platform plate, vertical supporting rods, inclined supporting rods and horizontal reinforcing beams, wherein one end of the platform plate is supported on the inner wall of the elevator shaft in a jacking mode, the other end of the platform plate is symmetrically and fixedly provided with the vertical supporting rods extending downwards, the bottom surfaces of the middle parts of the platform plate are symmetrically and fixedly connected with the inclined supporting rods extending downwards in an inclined mode, the middle upper parts of the inclined supporting rods are fixedly connected with the vertical supporting rods through the horizontal reinforcing beams respectively, the middle lower parts of the inclined supporting rods are fixedly welded with the bottom ends of the vertical supporting rods, and the side walls of the bottoms of the inclined supporting rods are fixedly welded with fixing blocks; the lateral wall of fixed block and the bottom plane cooperation joint of diagonal brace are in the vertical inner wall of elevartor shaft and the right angle corner of elevator door internal horizontal floor.
Besides, two sides of the channel steel guide rail are both fixedly provided with windlasses, and steel wire ropes are wound on the windlasses; the other end of the steel wire rope is respectively articulated and fixed at the two ends of the sliding bottom support to provide the sliding mop with horizontal and longitudinal sliding power in the channel steel guide rail.
And a plurality of I-steel reinforcing beams are fixedly welded on the I-steel inclined strut.
And a plurality of lifting rings are fixedly arranged at the top of the hoisting beam and are matched and hung with a hook at the bottom of the I-shaped steel hoisting beam.
And a plurality of lifting lugs are symmetrically and fixedly arranged on the top surface of the platform plate.
The invention has the advantages and technical effects that:
according to the anti-falling hoisting device for the elevator shaft of the high-rise building, the hoisting unit is connected with the crane in a sliding mode through the hoisting beam, the hoisting ring at the top of the hoisting beam is connected with the hook of the I-shaped steel hanging beam, and the hoisting unit can be conveniently assembled and disassembled on the roof; the I-steel hanging beams and the I-steel inclined struts are connected with the two sides of each triangular support through top beams, the I-steel reinforcing beams welded and fixed on the I-steel inclined struts improve the structural strength, and finally, the sliding bottom supports and the pulleys welded and fixed at the bottoms of the I-steel inclined struts slide in channel steel guide rails pre-paved and fixed on a roof, and the sliding power is provided by a motor and a steel wire rope, so that the abdicating loading and unloading when the anti-falling device of the elevator shaft is hoisted to the highest position are facilitated. This hoist and mount unit accessible elevartor shaft top hoist and mount mode transportation falling prevention device in the elevator shaft to for hoist and mount loading and unloading are convenient, especially can let the A-frame of translation at the roof design, its construction is convenient safety more, and the time limit for a project is shorter, is a hoist and mount unit that has higher creativity.
According to the anti-falling hoisting device for the elevator shaft of the high-rise building, the platform unit provides cut-off support through the platform plate, so that a constructor is prevented from falling, the lifting lugs on the platform plate are connected with the lifting hooks, the fixed floor height of the platform unit can be adjusted at any time by the crane on the roof according to the improvement of the construction position of the constructor, an auxiliary fixed structure is not required to be fixedly connected on the inner wall of the elevator shaft, and the moving and clamping positioning are convenient and quick; the fixing mode of the platform unit is as follows: one end of the elevator shaft is supported on the inner wall of the elevator shaft in a jacking mode through the platform plate, the other end of the elevator shaft is fixed at a right-angle turning position of an opening position of the elevator shaft in a clamping mode through the bottom surface of the inclined support rod and the side wall of the fixed block, and the platform unit is matched with the elevator shaft to position the bottom end of the platform unit, so that the platform unit is fixed inside the elevator shaft in a clamping mode in an inclined mode. In addition, the bottom of the inclined support rod extends into the elevator door, when the platform unit ascends, the inclined top surface at the bottom of the inclined support rod is in sliding fit with the right-angled turning part at the top of the elevator door, the platform unit is prevented from being clamped in the elevator in the hoisting process, the hoisting height of the platform unit is properly placed until the platform unit ascends to a preset position, the auxiliary fixing structure is prevented from being disassembled and assembled on the inner wall of the elevator shaft, the flexibility of the platform unit is improved while the construction period is shortened, and the falling protection function of constructors is guaranteed.
Drawings
FIG. 1 is a schematic view of a mounting structure of a hoisting unit according to the present invention;
figure 2 is a side view of the hoist unit of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 1 at A;
FIG. 4 is an enlarged view of a portion of FIG. 2 at B;
fig. 5 is a schematic illustration of the positioning connection of the landing unit of the present invention within a hoistway;
in the figure: 11-a triangular bracket; 12-hoisting the beam; 13-hoisting machine; 14-an elevator shaft; 15-channel steel guide rails; 16-a winch; 17-a steel wire rope; 18-i-beam reinforcement; 19-top beam; 110-an I-steel hanging beam; 111-i-beam diagonal bracing; 112-a lifting ring; 113-sliding bottom support; 114-a pulley; 115-hook;
21-elevator doors; 22-a platform plate; 23-a lifting lug; 25-horizontal stiffening beam; 26-vertical support bars; 27-diagonal brace rods; and 28-fixing block.
Detailed Description
For a further understanding of the contents, features and effects of the present invention, reference will now be made to the following examples, which are to be considered in conjunction with the accompanying drawings. It should be noted that the present embodiment is illustrative, not restrictive, and the scope of the invention should not be limited thereby.
A falling-preventing hoisting device for an elevator shaft of a high-rise building comprises a hoisting unit and a platform unit, wherein the hoisting unit is erected at a 14-shaft opening of the elevator shaft on the top of the high-rise building, and the lower part of the hoisting unit is movably hoisted, connected and positioned to the platform unit erected inside the elevator shaft; the hoisting unit comprises a hoisting beam 12, a crane 13 and a plurality of triangular brackets 11 which are spanned and connected on the top surfaces of roofs on two sides of the elevator shaft in a sliding manner; the hoisting beam is horizontally and transversely hung above the opening of the elevator shaft, two ends of the hoisting beam are respectively hoisted and fixed on the triangular supports, and the middle part of the hoisting beam is slidably connected with a crane; a plurality of channel steel guide rails 15 which are horizontally and longitudinally arranged are fixedly arranged on the roof top surfaces at two sides of the elevator shaft, and triangular supports are supported on the channel steel guide rails in a matched and sliding manner; the top of the platform unit is hoisted by a crane, the lower part of the platform unit is suspended, one side of the top of the platform unit is propped against the inner wall of the elevator shaft, and the other side of the bottom of the platform unit is positioned and erected at a right-angle corner between the inner wall of the elevator shaft and a horizontal floor slab in the elevator door 21; the bottom end of the platform unit inclines downwards to extend into the elevator door, and the bottom end of the platform unit is symmetrical and fixedly provided with fixing blocks 28 which extend downwards and are matched with the bottom end of the platform unit to be clamped with right-angle corners.
The triangular support comprises a plurality of top beams 19, I-steel hanging beams 110, I-steel inclined struts 111 and sliding bottom supports 113, wherein the top beams are symmetrically arranged along the horizontal transverse midspan, and the I-steel hanging beams arranged along the horizontal longitudinal direction are fixedly welded on the bottom surfaces of the two ends of the top beams; the middle part of the I-shaped steel hanging beam is fixedly provided with a hook 115, and the two ends of the I-shaped steel hanging beam are fixedly provided with I-shaped steel inclined struts which are symmetrical in span and are obliquely arranged downwards; the bottom of the I-steel inclined strut is fixedly welded with a sliding bottom support, and a plurality of pulleys 114 sliding in the channel steel guide rail are rotatably arranged on the bottom surface of the sliding bottom support.
The platform unit comprises a platform plate 22, a vertical supporting rod 26, an inclined supporting rod 27 and a horizontal reinforcing beam 25, wherein one end of the platform plate is supported on the inner wall of the elevator shaft in a jacking mode, the other end of the platform plate is symmetrically and fixedly provided with the vertical supporting rod extending downwards, the bottom surface of the middle part of the platform plate is symmetrically and fixedly connected with the inclined supporting rod extending downwards, the middle upper part of the inclined supporting rod is fixedly connected with the vertical supporting rod through the horizontal reinforcing beam, the middle lower part of the inclined supporting rod is fixedly welded with the bottom end of the vertical supporting rod, and the side wall of the bottom of the inclined supporting rod is fixedly welded with a; the lateral wall of fixed block and the bottom plane cooperation joint of diagonal brace are in the vertical inner wall of elevartor shaft and the right angle corner of elevator door internal horizontal floor.
Moreover, two sides of the channel steel guide rail are both fixedly provided with windlasses 16, and steel wire ropes 17 are wound on the windlasses; the other end of the steel wire rope is respectively articulated and fixed at the two ends of the sliding bottom support to provide the sliding mop with horizontal and longitudinal sliding power in the channel steel guide rail.
And a plurality of I-steel reinforcing beams 18 are fixedly welded on the I-steel inclined struts.
And a plurality of lifting rings 112 are fixedly arranged at the top of the hoisting beam and are matched and hung with hooks at the bottom of the I-shaped steel hoisting beam.
And, a plurality of lugs 23 are symmetrically and fixedly arranged on the top surface of the platform plate.
The invention has the advantages and technical effects that:
in addition, the invention preferably adopts mature products in the prior art, and the sliding connection mode of the crane and the I-shaped steel hoisting beam adopts mature technical means in the prior art.
In addition, the sliding bottom support is preferably a channel steel, the opening of the sliding bottom support is arranged upwards, an I-shaped steel inclined strut is fixedly welded to the top of the sliding bottom support, and the bottom of the sliding bottom support is connected with the pulley by a mature technical means in the prior art.
In addition, the winch preferably adopts mature products in the prior art.
To more clearly illustrate the embodiments of the present invention, an example is provided below:
according to the anti-falling hoisting device for the elevator shaft of the high-rise building, the channel steel guide rail, the triangular bracket and the hoisting beam are respectively hoisted to the roof through the tower crane for splicing installation, then the anti-falling device for the elevator shaft is placed on the roof beside the elevator shaft, the triangular bracket is driven by the winch to horizontally move and longitudinally move, and the crane horizontally and transversely slides on the hoisting beam until the crane is suspended right above the anti-falling device for the elevator shaft and is connected with the elevator shaft in a hoisting manner; then the hoist engine drives the horizontal longitudinal movement of A-frame, suspends elevator shaft anti-falling device in midair directly over the elevator shaft, and then the loop wheel machine transfers, transfers elevator shaft anti-falling device to inside the elevator shaft without mistake.
According to the anti-falling hoisting device for the elevator shaft of the high-rise building, the platform unit is hoisted by the crane at the opening at the top of the elevator shaft at the top of the roof, the crane provides lifting power for the platform unit, and the upper slope surface at the bottom end of the inclined strut of the platform unit is matched with the beam at the upper part of the elevator door when the platform unit is lifted, so that the platform unit is inclined anticlockwise above the position shown in figure 5 and smoothly lifts the fixed floor height; during this platform unit location, need erect the right angle corner at the horizontal floor of elevator door position and the vertical lateral wall of elevartor shaft with the right angle card dress that the bottom plane of diagonal brace and the lateral wall of fixed block formed, and the one end roof pressure of hoist and mount board supports on the elevartor shaft inner wall this moment, make the whole fixed joint of platform unit inside the elevartor shaft, need not extra auxiliary positioning device fixed connection elevator border inner wall and platform unit, need not dismouting auxiliary positioning device, the flexibility ratio of platform unit has effectively been improved, construction period has been shortened.
The invention adopts the mature products and the mature technical means in the prior art.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.

Claims (7)

1. The utility model provides a hoist device that falls is prevented to high-rise building elevartor shaft which characterized in that: the elevator lifting device comprises a lifting unit and a platform unit, wherein the lifting unit is erected at the position of an elevator shaft opening of a roof of a high-rise building, and the lower part of the lifting unit is movably lifted, connected and positioned with the platform unit erected in the elevator shaft; the hoisting unit comprises a hoisting beam, a crane and a plurality of triangular supports which are spanned and connected on the top surfaces of roofs on two sides of the elevator shaft in a sliding manner; the hoisting beam is horizontally and transversely suspended above the opening of the elevator shaft, two ends of the hoisting beam are respectively hoisted and fixed on the triangular supports, and the middle part of the hoisting beam is slidably connected with a crane; a plurality of channel steel guide rails which are horizontally and longitudinally arranged are fixedly arranged on the roof top surfaces at two sides of the elevator shaft, and triangular supports are supported on the channel steel guide rails in a matched and sliding manner; the top of the platform unit is hoisted by a crane, the lower part of the platform unit is suspended in the air, one side of the top of the platform unit is propped against the inner wall of the elevator shaft, and the other side of the bottom of the platform unit is positioned and erected at a right-angle corner between the inner wall of the elevator shaft and a horizontal floor slab in the elevator door; the bottom end of the platform unit inclines downwards to extend into the elevator door, and the bottom end of the platform unit is symmetrical and fixedly provided with fixing blocks which extend downwards and are matched and clamped with the bottom end of the platform unit to form a right-angle corner.
2. The anti-falling hoisting device for the elevator shaft of the high-rise building, according to claim 1, is characterized in that: the triangular support comprises a plurality of top beams, I-steel hanging beams, I-steel inclined struts and sliding bottom supports, wherein the top beams are symmetrically arranged along the horizontal transverse span, and the I-steel hanging beams arranged along the horizontal longitudinal direction are fixedly welded on the bottom surfaces of the two ends of the top beams; the middle part of the I-shaped steel hanging beam is fixedly provided with a hook, and two ends of the I-shaped steel hanging beam are fixedly provided with I-shaped steel inclined struts which are symmetrical in span and are obliquely arranged downwards; and a sliding bottom support is fixedly welded at the bottom of the I-steel inclined strut, and a plurality of pulleys sliding in the channel steel guide rail are rotatably arranged on the bottom surface of the sliding bottom support.
3. The anti-falling hoisting device for the elevator shaft of the high-rise building, according to claim 1, is characterized in that: the platform unit comprises a platform plate, vertical supporting rods, inclined supporting rods and horizontal reinforcing beams, wherein one end of the platform plate is supported on the inner wall of the elevator shaft in a jacking mode, the other end of the platform plate is symmetrically and fixedly provided with the vertical supporting rods extending downwards, the bottom surfaces of the middle parts of the platform plate are symmetrically and fixedly connected with the inclined supporting rods extending downwards in an inclined mode, the middle upper parts of the inclined supporting rods are fixedly connected with the vertical supporting rods through the horizontal reinforcing beams respectively, the middle lower parts of the inclined supporting rods are fixedly welded with the bottom ends of the vertical supporting rods, and the side walls of the bottoms of the inclined supporting rods are fixedly welded with fixing blocks; the lateral wall of fixed block and the bottom plane cooperation joint of diagonal brace are in the vertical inner wall of elevartor shaft and the right angle corner of elevator door internal level floor.
4. The anti-falling hoisting device for the elevator shaft of the high-rise building, according to claim 1, is characterized in that: two sides of the channel steel guide rail are both fixedly provided with windlasses, and steel wire ropes are wound on the windlasses; the other end of the steel wire rope is respectively articulated and fixed at the two ends of the sliding bottom support to provide horizontal longitudinal sliding power for the sliding mop in the channel steel guide rail.
5. The anti-falling hoisting device for the elevator shaft of the high-rise building, according to claim 2, is characterized in that: and a plurality of I-steel reinforcing beams are fixedly welded on the I-steel inclined strut.
6. The anti-falling hoisting device for the elevator shaft of the high-rise building, according to claim 2, is characterized in that: and a plurality of lifting rings are fixedly arranged at the top of the hoisting beam and are matched and hung with a hook at the bottom of the I-shaped steel hanging beam.
7. The anti-falling hoisting device for the elevator shaft of the high-rise building, according to claim 3, is characterized in that: and a plurality of lifting lugs are symmetrically and fixedly arranged on the top surface of the platform plate.
CN202011426259.4A 2020-12-09 2020-12-09 Anti-falling hoisting device for elevator shaft of high-rise building Pending CN113216593A (en)

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CN202011426259.4A CN113216593A (en) 2020-12-09 2020-12-09 Anti-falling hoisting device for elevator shaft of high-rise building

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Application Number Priority Date Filing Date Title
CN202011426259.4A CN113216593A (en) 2020-12-09 2020-12-09 Anti-falling hoisting device for elevator shaft of high-rise building

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114718334A (en) * 2022-05-06 2022-07-08 江苏南通二建集团有限公司 Liftable regularization well protector

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203905433U (en) * 2014-06-20 2014-10-29 中建五局第三建设有限公司 Detachable elevator shaft operating platform
CN205296803U (en) * 2015-12-28 2016-06-08 中建八局第二建设有限公司 Elevator automatic lifting operation panel
CN207032894U (en) * 2017-06-05 2018-02-23 刘慧玉 A kind of building engineering construction platform
CN110606437A (en) * 2019-10-22 2019-12-24 中铁建工集团有限公司 Walking type small electric elevator suitable for transferring materials between floors by reverse construction method
CN210013462U (en) * 2019-04-04 2020-02-04 中国建筑第七工程局有限公司 Elevator shaft lifting type construction operation platform
CN210563332U (en) * 2019-08-08 2020-05-19 广州珠江工程建设监理有限公司 Construction platform in super high-rise building elevator shaft
CN211920670U (en) * 2020-04-07 2020-11-13 河南豫中起重集团有限公司 Portal crane with windproof capability

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203905433U (en) * 2014-06-20 2014-10-29 中建五局第三建设有限公司 Detachable elevator shaft operating platform
CN205296803U (en) * 2015-12-28 2016-06-08 中建八局第二建设有限公司 Elevator automatic lifting operation panel
CN207032894U (en) * 2017-06-05 2018-02-23 刘慧玉 A kind of building engineering construction platform
CN210013462U (en) * 2019-04-04 2020-02-04 中国建筑第七工程局有限公司 Elevator shaft lifting type construction operation platform
CN210563332U (en) * 2019-08-08 2020-05-19 广州珠江工程建设监理有限公司 Construction platform in super high-rise building elevator shaft
CN110606437A (en) * 2019-10-22 2019-12-24 中铁建工集团有限公司 Walking type small electric elevator suitable for transferring materials between floors by reverse construction method
CN211920670U (en) * 2020-04-07 2020-11-13 河南豫中起重集团有限公司 Portal crane with windproof capability

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114718334A (en) * 2022-05-06 2022-07-08 江苏南通二建集团有限公司 Liftable regularization well protector

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