CN110094048B - Improved scaffold - Google Patents
Improved scaffold Download PDFInfo
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- CN110094048B CN110094048B CN201910445364.3A CN201910445364A CN110094048B CN 110094048 B CN110094048 B CN 110094048B CN 201910445364 A CN201910445364 A CN 201910445364A CN 110094048 B CN110094048 B CN 110094048B
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- Prior art keywords
- guide rail
- top plate
- arm
- frame
- scaffold
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- 230000000903 blocking effect Effects 0.000 claims abstract description 52
- 230000002159 abnormal effect Effects 0.000 claims abstract description 4
- 238000003780 insertion Methods 0.000 claims description 20
- 230000037431 insertion Effects 0.000 claims description 20
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 210000000078 claw Anatomy 0.000 claims description 14
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 239000000428 dust Substances 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 4
- 238000004873 anchoring Methods 0.000 claims description 2
- 239000007921 spray Substances 0.000 claims 1
- 230000001012 protector Effects 0.000 abstract description 14
- 238000009434 installation Methods 0.000 abstract description 6
- 230000002265 prevention Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 10
- 238000010276 construction Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 5
- 239000003566 sealing material Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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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
- E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
- E04G3/30—Mobile scaffolds; Scaffolds with mobile platforms suspended by flexible supporting elements, e.g. cables
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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
- E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
- E04G3/30—Mobile scaffolds; Scaffolds with mobile platforms suspended by flexible supporting elements, e.g. cables
- E04G3/32—Hoisting devices; Safety devices
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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
- E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
- E04G5/046—Means for fastening, supporting, or bracing scaffolds on or against building constructions for fastening scaffoldings on walls
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Movable Scaffolding (AREA)
- Emergency Lowering Means (AREA)
Abstract
The invention discloses an improved scaffold, which comprises a frame body, a guide rail, a plurality of falling protectors and an electric hoist, wherein the frame body comprises a frame body framework, a plurality of vertical main frames and a plurality of scaffold plates; the guide rail comprises two vertical rails and a plurality of cross bars fixedly arranged between the two vertical rails, and the vertical main frame is detachably connected with the guide rail; the anti-falling device comprises two connecting arms which are oppositely arranged, and wall-attached supports which are fixedly connected with the same ends of the two connecting arms, wherein a pair of roller groups are arranged on each connecting arm, a top plate and a bottom plate are arranged on the two connecting arms at intervals, a supporting arm is hinged on the top plate, two side plates are fixedly connected between the top plate and the bottom plate, and anti-falling swing arms for blocking guide rails during abnormal sliding are arranged between the two side plates. The connecting arm, the roller group, the supporting arm and the falling prevention swing arm of the scaffold through falling protector limit the sliding of the guide rail, and the scaffold installation procedure is simplified under the condition of ensuring safety.
Description
Technical Field
The invention relates to the technical field of buildings, in particular to an improved scaffold.
Background
At present, high-rise and super-high-rise buildings in China are more and more, and most of the high-rise and super-high-rise buildings adopt attached lifting scaffolds to carry out decoration construction on main bodies of the buildings and outer building walls in the construction process. The attached lifting scaffold is erected through one-time installation, so that the steel consumption is low, vertical transportation equipment is not occupied, manual use is low, the operation is convenient and simple, safety and reliability are realized, and the like, and the attached lifting scaffold has a good application prospect.
The attached lifting scaffold comprises a scaffold body, a lifting system, an anti-tilting device, an anti-falling device, a wall attaching support and the like, wherein the using materials and structures of the scaffold body are basically shaped, and unless the basic materials are updated, the scaffold body cannot be improved excessively. At present, manufacturers mainly focus on an anti-tilting device, an anti-falling device and a wall attaching support to lift, the anti-tilting device, the anti-falling device and the wall attaching support of a general attached lifting scaffold are respectively fixed on a building wall and are respectively connected with a frame body, the anti-tilting device, the anti-falling device and the wall attaching support respectively limit the movement of a guide rail in the vertical direction, the horizontal direction and the front-rear direction, and the frame body, the anti-tilting device and the wall attaching support are connected by a plurality of skilled workers, so that the installation procedure is complex, the requirement of the workers is large, and the disassembly and reinstallation of the anti-tilting device, the anti-falling device and the wall attaching support can also influence the construction progress in the ascending process of the frame body.
Disclosure of Invention
The invention mainly aims to provide an improved scaffold, and aims to solve the problems that an anti-tilting device, an anti-falling device and a wall attaching support are required for fixing a scaffold body and a building wall in the scaffold to ensure safety, and the anti-tilting device, the anti-falling device and the wall attaching support are required to be disassembled and reinstalled respectively, so that the working procedure of a user using the scaffold is too complex.
In order to achieve the above purpose, the technical scheme provided by the invention is as follows:
an improved scaffold comprising:
an improved scaffold, comprising:
The frame body comprises a frame body framework, a plurality of vertical main frames and a plurality of scaffold boards, wherein the frame body framework comprises a plurality of vertical frames and a plurality of transverse frames, each vertical frame is connected with each transverse frame, each vertical frame is perpendicular to each transverse frame, and each transverse frame is parallel to a horizontal plane; each vertical main frame is connected with the corresponding vertical frame, each scaffold board is arranged on the corresponding transverse frame, and the distance between every two adjacent scaffold boards is equal; a cross rod is arranged between each two adjacent transverse frames, the cross rods are connected with the two adjacent vertical frames, all the cross rods are positioned on the same side face of the frame body, an inclined strut is arranged between each cross rod and the two adjacent transverse frames, the inclined strut and the cross rods are positioned on the same side face of the frame body, and each cross rod is parallel to the transverse frames;
The guide rail comprises two vertical rails and a plurality of cross bars fixedly arranged between the two vertical rails, the vertical main frame is detachably connected with the guide rail, and the guide rail is positioned on the other side face of the frame body opposite to the cross bars;
The anti-falling device comprises two connecting arms which are arranged oppositely, and a wall-attached support fixedly connected with the same ends of the two connecting arms, wherein the wall-attached support is used for fixing the anti-falling device on a building wall; a pair of roller groups are arranged on each connecting arm, two pairs of roller groups are positioned between the two connecting arms, the guide rail is positioned between the two pairs of roller groups, and the roller groups are in sliding connection with the vertical rail; a top plate and a bottom plate are arranged on the two connecting arms at intervals, the top plate and the bottom plate are fixedly connected with the two connecting arms, the top plate and the bottom plate avoid a sliding path of the guide rail, and a first opening facing the roller group is formed among the top plate, the bottom plate and the two connecting arms; two side plates are fixedly arranged between the top plate and the bottom plate, the two side plates are arranged at intervals, a second opening facing the roller group is formed between the two side plates, the bottom plate and the top plate, and an anti-falling swing arm is arranged between the two side plates and penetrates through the second opening to block the rail when the cross rod limits abnormal sliding; one side, far away from the anti-falling swing arm, of the top plate is hinged with a supporting arm, and one end, far away from the top plate, of the supporting arm supports the cross rod to limit the guide rail to vertically slide;
The lifting device comprises a first lifting point, a second lifting point and an electric hoist, wherein the top and the bottom of the electric hoist are connected with the guide rail through the first lifting point and the second lifting point respectively.
Preferably, the wall-attached support comprises two reinforcing plates and a plurality of fixing blocks arranged between the two reinforcing plates at intervals, and the two reinforcing plates are respectively integrally formed with the connecting arms positioned on the same side; the wall-attached support further comprises an anchor bolt and a fixing plate which are connected with each other, wherein the fixing plate is provided with a connecting hole, and the fixing plate is attached to one side, close to the guide rail, of each of the two adjacent fixing blocks.
Preferably, a spring connecting rod and a first connecting shaft penetrating through the two side plates are arranged between the two side plates at intervals, the first connecting shaft and the spring connecting rod are fixedly connected with the two side plates, the first connecting shaft is close to the roller set, and the spring connecting rod is far away from the roller set; the anti-falling swing arm comprises a cylindrical connecting part, a first blocking arm and a second blocking arm which are arranged on the circumference of the connecting part at intervals, the connecting part is sleeved on the first connecting shaft, the first blocking arm and the second blocking arm face the roller group, and the first blocking arm is used for supporting the cross rod to limit the guide rail which slides abnormally; one side of the connecting part, which is far away from the roller group, is provided with a spring connecting end, the spring connecting end is connected with the spring connecting rod through an extension spring, and the extension spring is used for providing resilience force for resetting the first blocking arm and the second blocking arm.
Preferably, each connecting arm is provided with an insertion through hole coaxial with the first connecting shaft, and the insertion through holes are used for connecting the first connecting shaft with the two side plates through the connecting arm.
Preferably, two coaxial bearings and a second connecting shaft are arranged on the side surface, far away from the anti-falling swing arm, of the top plate, and the second connecting shaft is fixedly connected with the two bearings; the support arm comprises a claw part, a connecting column and a hinge column which are sequentially connected, the hinge column is cylindrical, a through hole in the hinge column is stepped, the diameter of one end of the through hole in the hinge column, which is far away from the top plate, is smaller than the diameter of the other end of the through hole in the hinge column, which is close to the top plate, the connecting column is positioned in one end of the through hole in the hinge column, which is far away from the top plate, and the connecting column is fixedly connected with the hinge column; the second connecting shaft penetrates through the other end of the hinge post, which is close to the top plate, and is in running fit with the hinge post; the claw portion with the one end that the guide rail is connected is provided with the horizontal pole appearance complex supporting end of guide rail, the inside connection cavity that is provided with of claw portion, the claw portion face is provided with the connector on the side of spliced pole, the spliced pole is kept away from the one end of articulated pole is passed through the connector is located in the connection cavity, just the spliced pole with connector fixed connection.
Preferably, the guide rail comprises a plurality of connecting guide rails connected with each other, one end of each connecting guide rail is provided with an insertion opening, the other end of each connecting guide rail is provided with an insertion section, the insertion section of one connecting guide rail of two adjacent connecting guide rails is positioned in the insertion opening of the other connecting guide rail, and each connecting guide rail is connected with the vertical main frame.
Preferably, the vertical rails are square steel pipes, and the cross bars are round steel pipes.
Preferably, the frame body is provided with a steel plate net, a real-time monitoring system and a spraying dust fall device, and the steel plate net and the cross rod are positioned on the same side of the frame body.
Preferably, the anti-falling device further comprises a plate-type support, wherein the plate-type support is fixedly connected with the anti-falling device and is used for fixedly connecting the anti-falling device with a building wall.
Preferably, the frame body is provided with a plurality of sealing object blocking plates, the sealing object blocking plates and the guide rail are positioned on the same side of the frame body, and the sealing object blocking plates avoid the sliding path of the guide rail.
Compared with the prior art, the invention has at least the following beneficial effects:
The scaffold is characterized in that the scaffold is connected with the guide rail by the aid of the connecting arm, the roller group, the supporting arm and the falling-preventing swing arm of the falling-preventing device, the guide rail is limited to move in the vertical, front-back and left-right directions, and the connecting procedure of the falling-preventing device and the scaffold is simplified to be connected with the guide rail by the aid of the roller group, so that the scaffold is integrally connected with the guide rail, and the scaffold can have the falling-preventing and falling-preventing functions only by the aid of the falling-preventing device, and the mounting procedure of the scaffold is simplified under the condition of ensuring the safety of high-altitude operation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of an embodiment of an improved scaffold of the present invention;
FIG. 2 is a right side view of FIG. 1;
FIG. 3 is a schematic view of the fall arrester of FIG. 1;
FIG. 4 is a right side view of FIG. 3;
FIG. 5 is a cross-sectional view in side elevation of FIG. 3;
FIG. 6 is a schematic view of the connection of the guide rail and the vertical main frame of FIG. 1;
FIG. 7 is a schematic view of the structure of the connecting rail;
Fig. 8 is a schematic structural view of the plate holder.
Reference numerals illustrate:
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the technical solutions of the embodiments of the present invention may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present invention.
The invention provides an improved scaffold.
Referring to fig. 1-2, an improved scaffold comprising:
The frame body 100, the frame body 100 includes a frame body frame 120 and a plurality of vertical main frames 110, a plurality of scaffold boards 130, the frame body frame 120 includes a plurality of vertical frames 121 and a plurality of transverse frames 122, each vertical frame 121 is connected with each transverse frame 122, each vertical frame 121 is perpendicular to each transverse frame 122, and each transverse frame 122 is parallel to the horizontal plane; each vertical main frame 110 is connected with a corresponding vertical frame 121, each scaffold board 130 is arranged on a corresponding transverse frame 122, and the distance between each two adjacent scaffold boards 130 is equal; a cross bar 160 is arranged between each two adjacent transverse frames 122, the cross bars 160 are connected with two adjacent vertical frames 121, all the cross bars 160 are positioned on the same side face of the frame body 100, an inclined strut 170 is arranged between each cross bar 160 and two adjacent transverse frames 122, the inclined strut 170 and the cross bars 160 are positioned on the same side face of the frame body 100, and each cross bar 160 is parallel to the transverse frames 122;
The guide rail 200, the guide rail 200 comprises two vertical rails 211 and a plurality of cross bars 212 fixedly arranged between the two vertical rails 211, the vertical main frame 110 and the guide rail 200 are detachably connected, and the guide rail 200 is positioned on the other side surface of the frame body 100 opposite to the cross bars 160;
The safety hook 300 comprises two connecting arms 310 which are oppositely arranged, and a wall attaching support 330 fixedly connected with the same ends of the two connecting arms 310, wherein the wall attaching support 330 is used for fixing the safety hook 300 on the building wall 500; a pair of roller groups 311 are arranged on each connecting arm 310, the two pairs of roller groups 311 are positioned between the two connecting arms 310, the guide rail 200 is positioned between the two pairs of roller groups 311, and the roller groups 311 are in sliding connection with the vertical rail 211; the two connecting arms 310 are provided with a top plate 340 and a bottom plate 360 at intervals, the top plate 340 and the bottom plate 360 are fixedly connected with the two connecting arms 310, the top plate 340 and the bottom plate 360 avoid a sliding path of the guide rail 200, a first opening facing the roller group 311 is formed between the top plate 340, the bottom plate 360 and the two connecting arms 310, two side plates 320 are fixedly arranged between the top plate 340 and the bottom plate 360, two side plates 320 are arranged at intervals, a second opening facing the roller group 311 is formed between the two side plates 320 and the top plate 340 and the bottom plate 360, and an anti-falling swing arm 370 is arranged between the two side plates 320, and the anti-falling swing arm 370 penetrates through the second opening to block the guide rail 200 when the cross bar 212 is used for limiting abnormal sliding; a support arm 380 is hinged to the top plate 340 at a side away from the anti-falling swing arm 370, and an end of the support arm 380 away from the top plate 340 supports the rail 212 to limit the vertical sliding movement of the rail 200.
The lifting device 150, the lifting device 150 includes a first lifting point 152, a second lifting point 153 and an electric hoist 151, wherein the top and the bottom of the electric hoist 151 are respectively connected with the guide rail 200 through the first lifting point 152 and the second lifting point 153.
The scaffold limits the movement of the guide rail 200 in the up-down, front-back and left-right directions through the connecting arm 310, the roller group 311, the supporting arm 380 and the falling protector swing arm 370 of the falling protector 300, and the connecting procedure of the falling protector 300 and the scaffold is simplified into the connection of the roller group 311 and the guide rail 200, so that the scaffold is integrally connected with the scaffold, and the scaffold can have the tilting prevention and falling prevention functions only by the falling protector 300.
Referring to fig. 3 to 5, the wall-attached support 330 includes two reinforcing plates 331 and a plurality of fixing blocks 332 disposed between the two reinforcing plates 331 at intervals, and the two reinforcing plates 331 are integrally formed with the connecting arms 310 at the same side, respectively; the wall-attached support 330 further comprises an anchor bolt and a fixing plate which are connected with each other, wherein the fixing plate is provided with a connecting hole, and the fixing plate is attached to at least one side, close to the guide rail 200, of any two adjacent fixing blocks 332. The anchor bolt is located the position between two arbitrary adjacent fixed blocks 332, and when anchor bolt passes through the connecting hole and is connected with the fixed plate, and anchor bolt still passes building wall 500, through the cooperation of double nut and anchor bolt, with fixed plate, fixed block 332 and building wall 500 fixed connection, and fixed block 332 is located between fixed plate and the building wall 500. The fixing structure is simple, the fixing strength is high, the fixing procedure is simple, the anchoring bolts are only required to pass through the fixing plates, the interval between any two fixing blocks 332 and the building wall 500 in sequence, then the fixing bolts are fastened through double nuts,
The anchor bolt is the stud, and the stud both ends all set up two at least or more nuts and are used for fastening. The use of stud and multiple nuts makes assembly more convenient, and multiple nuts cooperate for use, ensuring that the wall attachment bracket 330 is more securely connected to the building wall 500.
The interval is provided with spring connecting rod 322 and link up the first connecting axle 321 of both sides board 320 between the both sides board 320, and first connecting axle 321, spring connecting rod 322 all with both sides board 320 fixed connection, first connecting axle 321 is close to roller train 311 setting, and spring connecting rod 322 keeps away from roller train 311 setting. The anti-falling swing arm 370 comprises a cylindrical connecting portion 371, and a first blocking arm 372 and a second blocking arm 373 which are arranged on the circumferential direction of the connecting portion 371 at intervals, the connecting portion 371 is sleeved on the first connecting shaft 321, the first blocking arm 372 and the second blocking arm 373 face the guide rail 200, and the first blocking arm 372 is used for supporting the guide rail 200 of which the cross bar 212 is limited to abnormally slide. A spring connection end 374 is arranged on one side of the connection part 371 away from the guide rail 200, the spring connection end 374 is connected with the spring connection rod 322 through a tension spring 323, the tension spring 323 is used for providing a resilience force for resetting the first blocking arm 372 and the second blocking arm 373, when the connection arm 310 supports the cross rod 212 and limits the movement of the guide rail 200, a first preset interval is reserved between the first blocking arm 372 and the guide rail 200, the second blocking arm 373 penetrates through and is perpendicular to a sliding plane of the guide rail 200, and the tension spring 323 is in an unstretched state; when the guide rail 200 slides down abnormally on the roller set 311, the first blocking arm 372 passes through and is perpendicular to the sliding plane of the guide rail 200, the first blocking arm 372 supports a cross bar 212 on the guide rail 200 and limits the guide rail 200 to slide, a second preset interval is reserved between the second blocking arm 373 and the guide rail 200, and the stretching spring 323 is in a stretched state. The connecting portion 371 is connected with the extension spring 323, the cross rod 212 pushes the second blocking arm 373 when the guide rail 200 moves, the second blocking arm 373 drives the first blocking arm 372 to swing repeatedly, the resilience force of the extension spring 323 is larger than the impact force when the guide rail 200 slides abnormally, the guide rail 200 slides up and down on the roller set 311 when the anti-falling swing arm 370 simply passes through the extension spring 323 and the second blocking arm 373, the first blocking arm 372 supports the cross rod 212 and blocks the guide rail 200 from falling off only when the guide rail 200 slides abnormally, the first blocking arm 372 does not contact with the guide rail 200 when the guide rail 200 moves normally, and the second rotation plane formed by rotation of the first blocking arm 372 and the second blocking arm 373 along the first connecting shaft 321 is perpendicular to the sliding plane of the guide rail 200.
The side surface of the top plate 340, which is far away from the anti-falling swing arm 370, is provided with two coaxial bearings 341 and a second connecting shaft 342, and the second connecting shaft 342 is fixedly connected with the two bearings 341; the support arm 380 comprises a claw part 381, a connecting column 382 and a hinge column 383 which are sequentially connected, the hinge column 383 is cylindrical, a through hole 383a in the hinge column 383 is stepped, the diameter of one end of the through hole 383a in the hinge column 383 away from the top plate 340 is smaller than the diameter of the other end of the through hole 383a in the hinge column 383 close to the top plate 340, the connecting column 382 is positioned in one end of the through hole 383a in the hinge column 383 away from the top plate 340, and the connecting column 382 is fixedly connected with the hinge column 383; the second connecting shaft 342 penetrates through the other end of the hinge post 383 close to the top plate 340, and the second connecting shaft 342 is in running fit with the hinge post 383; the end of the claw portion 381, which is connected with the guide rail 200, is provided with a supporting end matched with the shape of the cross rod 212 of the guide rail 200, a connecting cavity 381a is arranged in the claw portion 381, a connecting port 381b is arranged on the side face, facing the connecting column 382, of the claw portion 381, one end, which is far away from the hinge column 383, of the connecting column 382 is located in the connecting cavity 381a through the connecting port 381b, the connecting column 382 is fixedly connected with the connecting port 381b, and a first rotating plane formed by rotating the supporting arm 380 along the hinge position of the supporting arm 380 and the top plate 340 and a sliding plane formed by vertically sliding the guide rail 200 are mutually perpendicular. When the slide rail moves to a designated position, the claw 381 is connected to the nearest rail 212 on the rail 200 to restrict the movement of the rail 200, so that it is not necessary to prepare a fixing means for restricting the movement of the rail 200.
Each connecting arm 310 is provided with an insertion through hole 350 coaxial with the first connecting shaft 321, and the insertion through holes 350 are used for connecting the first connecting shaft 321 with the two side plates 320 through the connecting arms 310. The insertion through hole 350 can facilitate the insertion of the first connecting shaft 321, and the length of the first connecting shaft 321 and the size of the installation box are not limited, if the installation box is enlarged, the first blocking arm 372 and the second blocking arm 373 moving in the installation box are enlarged similarly, the contact area between the first blocking arm 372 and the cross bar 212 is enlarged, so that the first blocking arm 372 can be prevented from being too small, the first blocking arm 372 is directly broken when the guide rail 200 slides abnormally, and the width of the first blocking arm 372 and the second blocking arm 373 is smaller than the length of the cross bar 212.
Referring to fig. 6 to 7, the guide rail 200 includes a plurality of connecting guide rails 210 connected to each other, one end of the connecting guide rail 210 facing the ground is provided with an insertion opening, the other end of the connecting guide rail facing away from the ground is provided with an insertion section 213, the insertion section 213 of one connecting guide rail 210 of two adjacent connecting guide rails 210 is located in the insertion opening of the other connecting guide rail 210, and each connecting guide rail 210 is fixedly connected with the vertical main frame. This facilitates the disassembly of the connection rails 210 and plug welding is used between the connection rails 210 to ensure a secure connection between the connection rails 210.
The vertical rail 211 is a square steel pipe, and the cross bar 212 is a round steel pipe. The vertical rail 211 is a square steel pipe, so that the contact area between the roller group 311 and the vertical rail 211 is larger, the better auxiliary guide rail 200 slides, and the effect of preventing camber is also achieved. The cross bar 212 is a round steel tube, so that the claw 381 can be conveniently fixed with the cross bar 212.
The frame body 100 is provided with a steel plate net, a real-time monitoring system and a spraying dust-settling device, and the steel plate net and the cross bar 160 are positioned on the same side of the frame body 100. The arrangement of the steel plate net has the advantages that on one hand, the protection strength is higher, and meanwhile, the hidden danger of fire is reduced; the real-time monitoring system can monitor the working condition in the frame body 100, and can timely process the damage of the frame body 100 to prevent potential safety hazards; the spraying dust-settling device can effectively reduce dust in the air, and avoid users from absorbing excessive dust and infecting diseases in the aspects of lungs or respiratory tracts.
Referring to fig. 8, the anti-falling device further comprises a plate-type support 400, wherein the plate-type support 400 is fixedly connected with the anti-falling device 300, and the plate-type support 400 is used for fixedly connecting the anti-falling device 300 with the building wall 500. The construction wall 500 may have various shapes, and the panel bracket 400 may assist in fixing the fall arrester 300 to the construction wall 500.
The side of the frame body 100 facing the building wall 500 is provided with a plurality of sealing material blocking plates 140, one end of the sealing material blocking plates 140, which is positioned on the same side of the frame body 100 as the guide rail 200, is fixed with the frame body 100, the other end of the sealing material blocking plates abuts against the building wall 500, the sealing material blocking plates 140 avoid the sliding path of the guide rail 200. In this embodiment, there are two seal-blocking plates 140, one seal-blocking plate 140 is located on the lower end of the frame 100, and the other seal-blocking plate 140 is located in the middle position, forming a multi-stage protection.
The fitting process of the fall arrester 300 and the scaffold is as follows;
The building wall 500 is vertically provided with a plurality of falling protectors 300, a certain interval is reserved between each falling protector 300, roller groups 311 of the falling protectors 300 are respectively connected with vertical rails 211, a scaffold vertically slides up and down through lifting device control guide rails 200, when the construction of the building wall 500 at the bottommost end of the scaffold is completed, the lifting device control guide rails 200 move up through pulley blocks, meanwhile, a user installs the falling protectors 300 at the uppermost end of the scaffold, the vertical rails 211 enter the roller groups 311 of the installed falling protectors 300 and leave the falling protectors 300 at the lowest end of the scaffold, support arms 380 of the falling protectors 300 are connected with corresponding cross bars 212, the scaffold is stopped after being lifted for a certain distance, and the construction is repeated until the construction is completed. In the same way, the falling process is also as above, and the falling protector 300 is only arranged at the lowest end of the scaffold, and the lifting device is started.
During normal ascent or descent of the rail 200, the second blocking arm 373 of each fall arrester 300 is constantly in contact with the corresponding rail 212, but the second blocking arm 373 does not affect ascent or descent of the rail 200, when the rail 200 is abnormally slid down, the first blocking arm 372 of each fall arrester 300 supports the corresponding rail 212, limiting the rail 200 from continuing to descend.
The foregoing description of the preferred embodiments of the present invention should not be construed as limiting the scope of the invention, but rather should be understood to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the following description and drawings or any application directly or indirectly to other relevant art(s).
Claims (8)
1. An improved scaffold, comprising:
The frame body comprises a frame body framework, a plurality of vertical main frames and a plurality of scaffold boards, wherein the frame body framework comprises a plurality of vertical frames and a plurality of transverse frames, each vertical frame is connected with each transverse frame, each vertical frame is perpendicular to each transverse frame, and each transverse frame is parallel to a horizontal plane; each vertical main frame is connected with the corresponding vertical frame, each scaffold board is arranged on the corresponding transverse frame, and the distance between every two adjacent scaffold boards is equal; a cross rod is arranged between each two adjacent transverse frames, the cross rods are connected with the two adjacent vertical frames, all the cross rods are positioned on the same side face of the frame body, an inclined strut is arranged between each cross rod and the two adjacent transverse frames, the inclined strut and the cross rods are positioned on the same side face of the frame body, and each cross rod is parallel to the transverse frames;
The guide rail comprises two vertical rails and a plurality of cross bars fixedly arranged between the two vertical rails, the vertical main frame is detachably connected with the guide rail, and the guide rail is positioned on the other side face of the frame body opposite to the cross bars;
The anti-falling device comprises two connecting arms which are arranged oppositely, and a wall-attached support fixedly connected with the same ends of the two connecting arms, wherein the wall-attached support is used for fixing the anti-falling device on a building wall; a pair of roller groups are arranged on each connecting arm, two pairs of roller groups are positioned between the two connecting arms, the guide rail is positioned between the two pairs of roller groups, and the roller groups are in sliding connection with the vertical rail; a top plate and a bottom plate are arranged on the two connecting arms at intervals, the top plate and the bottom plate are fixedly connected with the two connecting arms, the top plate and the bottom plate avoid a sliding path of the guide rail, and a first opening facing the roller group is formed among the top plate, the bottom plate and the two connecting arms; two side plates are fixedly arranged between the top plate and the bottom plate, the two side plates are arranged at intervals, a second opening facing the roller group is formed between the two side plates, the bottom plate and the top plate, and an anti-falling swing arm is arranged between the two side plates and penetrates through the second opening to block the rail when the cross rod limits abnormal sliding; one side, far away from the anti-falling swing arm, of the top plate is hinged with a supporting arm, and one end, far away from the top plate, of the supporting arm supports the cross rod to limit the guide rail to vertically slide;
The lifting device comprises a first lifting point, a second lifting point and an electric hoist, wherein the top and the bottom of the electric hoist are respectively connected with the guide rail through the first lifting point and the second lifting point;
The wall-attached support comprises two reinforcing plates and a plurality of fixing blocks arranged between the two reinforcing plates at intervals, and the two reinforcing plates are respectively integrally formed with the connecting arms positioned on the same side; the wall-attached support also comprises an anchor bolt and a fixing plate which are connected with each other, wherein the fixing plate is provided with a connecting hole, and the fixing plate is attached to one side, close to the guide rail, of any two adjacent fixing blocks; the anchoring bolt is a double-head bolt;
A spring connecting rod and a first connecting shaft which penetrates through the two side plates are arranged between the two side plates at intervals, the first connecting shaft and the spring connecting rod are fixedly connected with the two side plates, the first connecting shaft is close to the roller set, and the spring connecting rod is far away from the roller set; the anti-falling swing arm comprises a cylindrical connecting part, a first blocking arm and a second blocking arm which are arranged on the circumference of the connecting part at intervals, the connecting part is sleeved on the first connecting shaft, the first blocking arm and the second blocking arm face the roller group, and the first blocking arm is used for supporting the cross rod to limit the guide rail which slides abnormally; one side of the connecting part, which is far away from the roller group, is provided with a spring connecting end, the spring connecting end is connected with the spring connecting rod through an extension spring, and the extension spring is used for providing resilience force for resetting the first blocking arm and the second blocking arm.
2. An improved scaffold according to claim 1, wherein each of said connecting arms is provided with an insertion through hole coaxial with said first connecting shaft, said insertion through hole being adapted for connection of said first connecting shaft to both of said side plates through said connecting arms.
3. The improved scaffold according to claim 1, wherein two coaxial bearings and a second connecting shaft are arranged on the side surface of the top plate away from the anti-falling swing arm, and the second connecting shaft is fixedly connected with the two bearings; the support arm comprises a claw part, a connecting column and a hinge column which are sequentially connected, the hinge column is cylindrical, a through hole in the hinge column is stepped, the diameter of one end of the through hole in the hinge column, which is far away from the top plate, is smaller than the diameter of the other end of the through hole in the hinge column, which is close to the top plate, the connecting column is positioned in one end of the through hole in the hinge column, which is far away from the top plate, and the connecting column is fixedly connected with the hinge column; the second connecting shaft penetrates through the other end of the hinge post, which is close to the top plate, and is in running fit with the hinge post; the claw portion with the one end that the guide rail is connected is provided with the horizontal pole appearance complex supporting end of guide rail, the inside connection cavity that is provided with of claw portion, the claw portion face is provided with the connector on the side of spliced pole, the spliced pole is kept away from the one end of articulated pole is passed through the connector is located in the connection cavity, just the spliced pole with connector fixed connection.
4. A modified scaffold as claimed in any one of claims 1 to 3, wherein the guide rail comprises a plurality of interconnecting guide rails, one end of each of the guide rails is provided with an insertion opening, the other end is provided with an insertion section, the insertion section of one of the adjacent guide rails is located in the insertion opening of the other guide rail, and each guide rail is connected to the vertical main frame.
5. A modified scaffold as claimed in any one of claims 1 to 3, wherein the vertical rails are square steel tubes and the cross bars are round steel tubes.
6. An improved scaffold according to any one of claims 1 to 3 wherein a steel plate mesh, a real time monitoring system and a spray dust device are provided on the frame, the steel plate mesh and the cross bar being on the same side of the frame.
7. An improved scaffold according to any of claims 1-3, further comprising a plate support fixedly connected to the fall arrester, the plate support being adapted to fixedly connect the fall arrester to a building wall.
8. An improved scaffold according to any of claims 1-3, wherein a plurality of seal-blocking plates are provided on the frame, the seal-blocking plates being on the same side of the frame as the rails, the seal-blocking plates avoiding the path along which the rails slide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910445364.3A CN110094048B (en) | 2019-05-27 | 2019-05-27 | Improved scaffold |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910445364.3A CN110094048B (en) | 2019-05-27 | 2019-05-27 | Improved scaffold |
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| Publication Number | Publication Date |
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| CN110094048A CN110094048A (en) | 2019-08-06 |
| CN110094048B true CN110094048B (en) | 2024-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910445364.3A Active CN110094048B (en) | 2019-05-27 | 2019-05-27 | Improved scaffold |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112096031A (en) * | 2020-09-10 | 2020-12-18 | 重庆安谐建筑脚手架有限公司 | Assembly lifting type operation protection platform |
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| CN110094048A (en) | 2019-08-06 |
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