CN210217098U

CN210217098U - Improved scaffold

Info

Publication number: CN210217098U
Application number: CN201920770409.XU
Authority: CN
Inventors: Kuangqiang Li; 李矿强; Weijun Yuan; 袁卫君; Li Li; 李莉; Zhi Hu; 胡志; Wenjun Liu; 刘文军; Miao Xu; 徐淼
Original assignee: Hunan Chuangfeng Construction Engineering Technology Co ltd
Current assignee: Hunan Chuangfeng Construction Engineering Technology Co ltd
Priority date: 2019-05-27
Filing date: 2019-05-27
Publication date: 2020-03-31
Anticipated expiration: 2029-05-27

Abstract

The utility model 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 boards; the guide rail comprises two vertical rails and a plurality of cross rods fixedly arranged between the two vertical rails, and the vertical main frame is detachably connected with the guide rail; the safety hook comprises two connecting arms which are arranged oppositely and a wall-attached support which is fixedly connected with the same end of the two connecting arms, 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 to the top plate, two side plates are fixedly connected between the top plate and the bottom plate, and a safety hook swing arm which blocks a guide rail when abnormal sliding is arranged between the two side plates. The utility model provides a linking arm, roller train, support arm, the slip of preventing weighing down swing arm restriction guide rail of safety hook are led to the scaffold frame, under the security circumstances, have simplified scaffold frame installation procedure.

Description

Improved scaffold

Technical Field

The utility model relates to a building technical field, in particular to scaffold frame of improvement.

Background

At present, high-rise buildings and super high-rise buildings are more and more in China, and most of the high-rise buildings 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, the consumption of steel is low, vertical transportation equipment is not occupied, manual use is low, operation is convenient and simple, safety and reliability are achieved, and the attached lifting scaffold has a good application prospect.

The attached lifting scaffold comprises a frame body, a lifting system, an anti-tilting device, an anti-falling device, a wall-attached support and the like, the used material and structure of the frame body are basically shaped, and the frame body cannot be improved excessively unless the basic material is updated. At present, manufacturers mainly focus on an anti-tilting device, an anti-falling device and an attached wall support for lifting, the anti-tilting device of a common attached lifting scaffold, the anti-falling device and the attached wall support 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 attached wall support respectively limit the guide rail to move up and down, left and right directions and front and back directions, the frame body and the anti-tilting device, the anti-falling device and the attached wall support are connected by a plurality of skilled workers, so that the installation process is complicated, the requirement of the workers is large, and in the process of lifting the frame body, the anti-tilting device, the anti-falling device and the attached wall support can also influence the progress of construction through disassembly and reinstallation.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a scaffold frame of improvement, aim at solving in the scaffold frame support body and building wall body fixed needs anti-tilt device, anti-falling device, attach the wall support and guarantee safety, and anti-tilt device, anti-falling device, attach the wall support and need disassemble respectively and install again, the too complicated problem of process that the user used the scaffold frame.

In order to achieve the above object, the present invention provides a technical solution:

an improved scaffold comprising:

an improved scaffolding, comprising:

the scaffold comprises a scaffold body, a plurality of scaffold boards and a plurality of scaffold boards, wherein the scaffold body comprises a scaffold framework, a plurality of vertical main 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 bar is arranged between each two adjacent transverse frames and is connected with two adjacent vertical frames, all the cross bars are positioned on the same side surface of the frame body, an inclined strut is arranged between each cross bar and two adjacent transverse frames, the inclined strut and the cross bar are positioned on the same side surface of the frame body, and each cross bar is parallel to the transverse frames;

the guide rail comprises two vertical rails and a plurality of cross rods 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 surface of the frame body opposite to the cross rods;

the falling protector comprises two connecting arms which are oppositely arranged and a wall attaching support fixedly connected with the same ends of the two connecting arms, and the wall attaching support is used for fixing the falling protector on a building wall; a pair of roller groups is arranged on each connecting arm, the 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 connected with the vertical rail in a sliding manner; 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, an anti-falling swing arm is arranged between the two side plates, and the anti-falling swing arm penetrates through the second opening to block the cross rod to limit the guide rail when the guide rail abnormally slides down; a supporting arm is hinged to one side, far away from the anti-falling swing arm, of the top plate, 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.

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 integrally formed with the connecting arm positioned on the same side respectively; the wall-attached support further comprises an anchor bolt and a fixing plate which are connected with each other, a connecting hole is formed in the fixing plate, and the fixing plate is at least attached to one side, close to the guide rail, of any 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 arranged close to the roller train, and the spring connecting rod is arranged far away from the roller train; the anti-falling swing arm comprises a cylindrical connecting part, a first blocking arm and a second blocking arm, the first blocking arm and the second blocking arm are arranged on the circumferential direction 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 train, and the first blocking arm is used for supporting the transverse rod to limit the guide rail which slides abnormally; one side that connecting portion kept away from the roller train is provided with the spring coupling end, the spring coupling end with the spring coupling rod passes through extension spring and connects, just extension spring is used for providing first fender arm with the resilience force that the second fender arm resets.

Preferably, each connecting arm is provided with an insertion through hole coaxial with the first connecting shaft, and the insertion through hole is used for connecting the first connecting shaft with the two side plates after penetrating 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, away from the top plate, of the through hole in the hinge column is smaller than that of the other end, close to the top plate, of the through hole in the hinge column, the connecting column is located in one end, away from the top plate, of the through hole in the hinge column, and the connecting column is fixedly connected with the hinge column; the second connecting shaft penetrates through the other end, close to the top plate, of the hinge column, and is in running fit with the hinge column; the claw part with the one end that the guide rail is connected be provided with the horizontal pole appearance complex of guide rail supports the end, and claw part inside is provided with the connection cavity, the claw part is towards be 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 includes a plurality of connecting guide rails of interconnect, the one end of connecting the guide rail is provided with the inserted hole, and its other end is equipped with the insertion section, and adjacent two in the connecting guide rail one the insertion section of connecting the guide rail is located another the inserting mouth of connecting the guide rail, and each connecting the guide rail with vertical main frame is connected.

Preferably, the vertical rails are square steel tubes, and the cross bars are round steel tubes.

Preferably, the frame body 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 rod are located on the same side of the frame body.

Preferably, the safety catch further comprises a plate type support, the plate type support is fixedly connected with the safety catch, and the plate type support is used for fixedly connecting the safety catch with a building wall.

Compared with the prior art, the utility model discloses possess following beneficial effect at least:

the connecting arm, the roller train, the support arm, the anti-falling swing arm limit guide rail that the scaffold passes through the safety hook move up and down, around, on the left and right sides, the connection process simplification of safety hook and scaffold becomes to only need the roller train to be connected with the guide rail to make scaffold and integral connection, and make the scaffold only need the safety hook just can possess and prevent inclining, prevent weighing down the function, under the circumstances of guaranteeing high altitude construction safety, simplified the installation procedure of scaffold.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural view of an embodiment of the improved scaffold of the present invention;

FIG. 2 is a right side view of FIG. 1;

FIG. 3 is a schematic structural view of the fall arrester of FIG. 1;

FIG. 4 is a right side view of FIG. 3;

FIG. 5 is a side view in cross-section of FIG. 3;

FIG. 6 is a schematic view of the connection between 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 type support.

The reference numbers illustrate:

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

The utility model provides a scaffold frame of improvement.

Referring to fig. 1 to 2, an improved scaffolding includes:

the shelf 100, the shelf 100 includes a shelf frame 120, a plurality of vertical main frames 110, and a plurality of scaffold boards 130, the shelf frame 120 includes a plurality of vertical frames 121 and a plurality of horizontal frames 122, each vertical frame 121 is connected with each horizontal frame 122, each vertical frame 121 is perpendicular to each horizontal frame 122, and each horizontal 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 every two adjacent scaffold boards 130 is equal; a cross bar 160 is arranged between each two adjacent transverse frames 122, the cross bar 160 is connected with the two adjacent vertical frames 121, all the cross bars 160 are located on the same side of the rack body 100, an inclined strut 170 is arranged between each cross bar 160 and the two adjacent transverse frames 122, the inclined strut 170 and the cross bar 160 are located on the same side of the rack body 100, and each cross bar 160 is parallel to the transverse frames 122;

the guide rail 200, the guide rail 200 includes two vertical rails 211 and a plurality of cross bars 212 fixedly disposed between the two vertical rails 211, the vertical main frame 110 is detachably connected with the guide rail 200, and the guide rail 200 is located on the other side of the frame body 100 opposite to the cross bar 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; each connecting arm 310 is provided with a pair of roller groups 311, 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 connected with the vertical rail 211 in a sliding manner; the top plate 340 and the bottom plate 360 are arranged on the two connecting arms 310 at intervals, the top plate 340 and the bottom plate 360 are both fixedly connected with the two connecting arms 310, the top plate 340 and the bottom plate 360 avoid the sliding path of the guide rail 200, a first opening facing the roller set 311 is formed between the top plate 340, the bottom plate 360 and the two connecting arms 310, the two side plates 320 are fixedly arranged between the top plate 340 and the bottom plate 360, the two side plates 320 are arranged at intervals, a second opening facing the roller set 311 is formed between the two side plates 320 and the top plate 340 and the bottom plate 360, an anti-falling swing arm 370 is arranged between the two side plates 320, and the anti-falling swing arm 370 passes through the second opening to block the cross rod 212 to; a support arm 380 is hinged to the side of the top plate 340 away from the fall arrest swing arm 370, and the end of the support arm 380 away from the top plate 340 supports the cross bar 212 to limit the vertical sliding of the guide rail 200.

The lifting device 150, the lifting device 150 comprises a first lifting point 152, a second lifting point 153 and an electric hoist 151, wherein the top and bottom of the electric hoist 151 are connected with the guide rail 200 through the first lifting point 152 and the second lifting point 153, respectively.

The connecting arm 310, the roller group 311, the supporting arm 380 and the anti-falling swing arm 370 of the anti-falling device 300 limit the guide rail 200 to move in the vertical, front-back and left-right directions, the connecting process of the anti-falling device 300 and the scaffold is simplified into that only the roller group 311 is connected with the guide rail 200, so that the scaffold is integrally connected with the scaffold, the scaffold only needs the anti-falling device 300 to have anti-falling and anti-falling functions, and the mounting process of the scaffold is simplified under the condition that the high-altitude operation safety is ensured.

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 respectively integrally formed with the connecting arm 310 located on the same side; the wall-attached support 330 further comprises an anchor bolt and a fixing plate which are connected with each other, a connecting hole is formed in the fixing plate, 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 bolts are located between any two adjacent fixing blocks 332, when the anchor bolts are connected with the fixing plate through the connecting holes and penetrate through the building wall 500, the fixing plate, the fixing blocks 332 and the building wall 500 are fixedly connected through the matching of double nuts and the anchor bolts, and the fixing blocks 332 are located between the fixing plate and the building wall 500. The fixing structure is simple, the fixing strength is high, the fixing process is simple, only the anchoring bolt is required to sequentially penetrate through the fixing plate, the interval between any two fixing blocks 332 and the building wall body 500 and then is fastened through double nuts,

the anchor bolt is stud, and the stud both ends all set up two or more than two nuts at least and are used for the fastening. The use of stud and multi-nut makes the assembly more convenient, and a plurality of nuts cooperate and use, guarantees that the connection of attaching wall support 330 and building wall 500 is more firm.

The spring connecting rods 322 and the first connecting shafts 321 penetrating through the two side plates 320 are arranged between the two side plates 320 at intervals, the first connecting shafts 321 and the spring connecting rods 322 are fixedly connected with the two side plates 320, the first connecting shafts 321 are arranged close to the roller set 311, and the spring connecting rods 322 are arranged far away from the roller set 311. The anti-falling swing arm 370 comprises a cylindrical connecting part 371 and a first blocking arm 372 and a second blocking arm 373 which are arranged on the circumferential direction of the connecting part 371 at intervals, the connecting part 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 cross rod 212 to limit the guide rail 200 which slides abnormally. A spring connecting end 374 is arranged on one side, away from the guide rail 200, of the connecting portion 371, the spring connecting end 374 is connected with the spring connecting rod 322 through an extension spring 323, the extension spring 323 is used for providing resilience for resetting of the first blocking arm 372 and the second blocking arm 373, when the connecting arm 310 supports the cross rod 212 and limits 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 extension spring 323 is in an unstretched state; when the guide rail 200 abnormally slides down 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 left between the second blocking arm 373 and the guide rail 200, and the extension spring 323 is in an extension state. Connecting portion 371 and extension spring 323 are connected, horizontal pole 212 promotes the second when guide rail 200 moves and keeps off arm 373, the second keeps off arm 373 drives first fender arm 372 and does repeated swing, and extension spring 323 resilience force is greater than the impact force when guide rail 200 unusual landing, it slides from top to bottom on roller train 311 to prevent weighing down swing arm 370 simply through guide rail 200 when extension spring 323 and second fender arm 373 just can, only when guide rail 200 unusual landing, first fender arm 372 just can prop up horizontal pole 212 and block that guide rail 200 drops, and when guide rail 200 normally moved, first fender arm 372 can not contact with guide rail 200, and first fender arm 372, second fender arm 373 rotates the second rotation plane that forms and is perpendicular with the slip plane of guide rail 200 along first connecting axle 321.

The side surface of the top plate 340 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 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, away from the top plate 340, of the through hole 383a in the hinge column 383 is smaller than that of the other end, close to the top plate 340, of the through hole 383a in the hinge column 383, the connecting column 382 is located in one end, away from the top plate 340, of the through hole 383a in the hinge column 383, 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 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 inside the claw portion 381, a connecting port 381b is arranged on the side surface of the claw portion 381 facing the connecting column 382, one end of the connecting column 382 far away from the hinged column 383 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 the rotation of the supporting arm 380 along the hinged position of the supporting arm 380 and the top plate 340 is perpendicular to a sliding plane formed by the vertical sliding of the guide. When the slide rail moves to a predetermined position, the claw portion 381 is connected to the closest cross bar 212 of the guide rail 200 to restrict the movement of the guide rail 200, so that it is not necessary to prepare a fixing device for restricting the movement of the guide 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 hole 350 is used for connecting the first connecting shaft 321 with the two side plates 320 through the connecting arm 310. Insert through-hole 350 and can make things convenient for the insertion of first connecting axle 321 to the length that makes first connecting axle 321 and the size of installation box do not receive the restriction, if the grow, the same grow of the first arm 372 that keeps off of activity and second fender arm 373 in the installation box in the same reason installation box, the area of contact of first fender arm 372 and horizontal pole 212 also can enlarge, can avoid first fender arm 372 undersize like this, directly break first fender arm 372 when guide rail 200 unusual landing, and the width that first fender arm 372 and second fender arm 373 are less than the length of horizontal pole 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 each connecting guide rail 210 facing the ground is provided with an insertion opening, the other end of each connecting guide rail 210 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 to the vertical main frame. This facilitates the detachment of the connection rails 210, and in order to ensure the connection between the connection rails 210 is firm, plug welding is used between the connection rails 210.

The vertical rails 211 are square steel tubes, and the cross bars 212 are round steel tubes. The vertical rail 211 is a square steel pipe, so that the contact area between the roller set 311 and the vertical rail 211 is larger, the sliding of the auxiliary guide rail 200 is better, and the outward inclination is prevented. The cross bar 212 is a round steel tube, which facilitates the fixation of the claw portion 381 and the cross bar 212.

Be provided with steel screen, real-time monitoring system and spray dust device on support body 100, steel screen and horizontal pole 160 lie in same one side on support body 100. On one hand, the steel plate net has higher protection strength, and meanwhile, the hidden danger of fire is reduced; the real-time monitoring system can monitor the working condition in the rack body 100, and can process the damage of the rack body 100 in time to prevent potential safety hazards; the spraying dust settling device can effectively reduce dust in the air, and prevent a user from absorbing excessive dust to infect diseases in the lung or respiratory tract.

Referring to fig. 8, the safety catch further comprises a plate type support 400, the plate type support 400 is fixedly connected with the safety catch 300, and the plate type support 400 is used for fixedly connecting the safety catch 300 with a building wall 500. The building wall 500 can be in various shapes, and the plate type support 400 can assist the falling protector 300 to be fixed with the building 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 plate 140 and the guide rail 200 located on the same side of the frame body 100 is fixed to the frame body 100, the other end of the sealing material blocking plate 140 abuts against the building wall 500, the sealing material blocking plate 140, and the sealing material blocking plate 140 avoids the sliding path of the guide rail 200. In this embodiment, there are two sealant barrier plates 140, one sealant barrier plate 140 is located at the lower end of the frame body 100, and the other sealant barrier plate 140 is located at the middle position, so as to form a multi-stage protection.

The process of matching the fall arrester 300 with the scaffold is as follows;

a plurality of falling protectors 300 are vertically arranged on the building wall body 500, a certain interval is arranged between every falling protector 300, the roller sets 311 of the falling protectors 300 are respectively connected with the vertical rails 211, the scaffold vertically slides up and down through the lifting device control guide rails 200, the construction of the building wall body 500 at the bottom end of the scaffold is finished, the lifting device control guide rails 200 move up through the roller sets, meanwhile, the falling protectors 300 are installed at the top end of the scaffold by a user, the vertical rails 211 enter the roller sets 311 of the installed falling protectors 300 and leave the falling protectors 300 at the bottom end of the scaffold, the supporting arms 380 of the falling protectors 300 are connected with the corresponding cross rods 212, the scaffold is stopped after being lifted by a certain distance, and the operation is repeated until the construction is finished. In the same way, the descending process is the same as above, and the falling protector 300 is only needed to be installed at the lowest end of the scaffold, and the lifting device is started.

During the normal ascending or descending of the guide rail 200, the second blocking arm 373 of each safety catch 300 is continuously in contact with the corresponding cross bar 212, but the second blocking arm 373 does not affect the ascending or descending of the guide rail 200. when the guide rail 200 abnormally slides down, the first blocking arm 372 of each safety catch 300 supports the corresponding cross bar 212, and the guide rail 200 is limited from further falling down.

The above is only the preferred embodiment of the present invention, and the patent scope of the present invention is not limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept of the present invention, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims

1. An improved scaffolding, comprising:

2. An improved scaffold according to claim 1, wherein 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 on the same side; the wall-attached support further comprises an anchor bolt and a fixing plate which are connected with each other, a connecting hole is formed in the fixing plate, and the fixing plate is at least attached to one side, close to the guide rail, of any two adjacent fixing blocks.

3. An improved scaffold according to claim 1, wherein 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 arranged close to the roller group, and the spring connecting rod is arranged far away from the roller group; the anti-falling swing arm comprises a cylindrical connecting part, a first blocking arm and a second blocking arm, the first blocking arm and the second blocking arm are arranged on the circumferential direction 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 train, and the first blocking arm is used for supporting the transverse rod to limit the guide rail which slides abnormally; one side that connecting portion kept away from the roller train is provided with the spring coupling end, the spring coupling end with the spring coupling rod passes through extension spring and connects, just extension spring is used for providing first fender arm with the resilience force that the second fender arm resets.

4. An improved scaffold according to claim 3, wherein each connecting arm is provided with an insertion through hole coaxial with the first connecting shaft, and the insertion through hole is used for connecting the first connecting shaft with the two side plates through the connecting arm.

5. An improved scaffold according to claim 1, wherein the side of the top plate away from the anti-falling swing arm is provided with two coaxial bearings and a second connecting shaft, 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, away from the top plate, of the through hole in the hinge column is smaller than that of the other end, close to the top plate, of the through hole in the hinge column, the connecting column is located in one end, away from the top plate, of the through hole in the hinge column, and the connecting column is fixedly connected with the hinge column; the second connecting shaft penetrates through the other end, close to the top plate, of the hinge column, and is in running fit with the hinge column; the claw part with the one end that the guide rail is connected be provided with the horizontal pole appearance complex of guide rail supports the end, and claw part inside is provided with the connection cavity, the claw part is towards be 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.

6. An improved scaffold according to any of claims 1-5, wherein said guide rails comprise a plurality of connecting rails connected to each other, one end of said connecting rail is provided with an insertion opening, the other end of said connecting rail is provided with an insertion section, and the insertion section of one of two adjacent connecting rails is located in the insertion opening of the other connecting rail, and each connecting rail is connected to said vertical main frame.

7. An improved scaffold according to any of claims 1 to 5, wherein the vertical rails are square steel tubes and the horizontal bars are round steel tubes.

8. An improved scaffold according to any of claims 1 to 5, wherein a steel screen, a real-time monitoring system and a spray dust-settling device are provided on the frame body, and the steel screen and the cross bar are located on the same side of the frame body.

9. An improved scaffold according to any one of claims 1 to 5, further comprising a plank support fixedly connected to the fall arrester, the plank support being adapted to fixedly connect the fall arrester to a building wall.