CN217897238U

CN217897238U - All-steel closed attached lifting scaffold

Info

Publication number: CN217897238U
Application number: CN202221400878.0U
Authority: CN
Inventors: 胡永兴; 吴成钢; 黄德平; 邓骥; 张环
Original assignee: Hubei Construction Engineering Second Construction Co ltd
Current assignee: Hubei Construction Engineering Second Construction Co ltd
Priority date: 2022-06-07
Filing date: 2022-06-07
Publication date: 2022-11-25
Anticipated expiration: 2032-06-07

Abstract

The utility model discloses a closed attached lifting scaffold of all-steel, include: the device comprises a main frame, a plurality of attaching supports and a lifting device, wherein the attaching supports and the lifting device are arranged at intervals in the vertical direction; the main frame comprises a row of inner upright posts, a row of outer upright posts and a plurality of walkway plates which are arranged between the inner upright posts and the outer upright posts at intervals in the vertical direction; a plurality of through holes are uniformly formed in the periphery of the walkway plate, and a pattern steel plate is paved on the walkway plate; a sealing plate is arranged between the walkway plate positioned at the lowermost end of the main frame and the building wall; a protective steel mesh is laid on the outer vertical surface of the main frame in full height; a guide rail is vertically and fixedly arranged on one side of the main frame, which faces the building wall, one end of the attachment support is fixedly connected with the building wall, and the other end of the attachment support is supported on the guide rail; the lifting device is arranged on one side of the main frame, which faces the building wall, and is used for lifting or lowering the main frame. The utility model discloses simple to operate, security are high.

Description

All-steel closed attached lifting scaffold

Technical Field

The utility model relates to a lifting foot hand rack technical field. More specifically, the utility model relates to an all steel closed attached lifting scaffold.

Background

The attached lifting scaffold is a scaffold which is erected at a certain height, attached to an engineering structure and can climb or descend layer by layer along with the engineering structure by virtue of self lifting equipment and devices. The attached lifting scaffold is applicable to various building structure bodies, and the higher the height of the building structure body is, the more obvious the economical efficiency is. The outer protective net and the walkway plate of the existing lifting scaffold are not flame-retardant, the sealing property of the bottom of the main frame is poor, and more potential safety hazards are brought. And the main frame is built complicatedly, and adaptability is poor, can't be applicable to the dysmorphism building facade in a flexible way.

SUMMERY OF THE UTILITY MODEL

It is an object of the present invention to solve at least the above problems and to provide at least the advantages which will be described later.

In order to achieve these objects and other advantages in accordance with the purpose of the invention, there is provided an all-steel closed type attached lifting scaffold, comprising: the device comprises a main frame, a plurality of attaching supports and a lifting device, wherein the attaching supports and the lifting device are arranged at intervals along the vertical direction; the main frame comprises a row of inner upright posts, a row of outer upright posts and a plurality of walkway plates which are arranged between the inner upright posts and the outer upright posts at intervals in the vertical direction; the inner vertical rod and the outer vertical rod are both rectangular steel pipes with adjustable lengths; a plurality of through holes are uniformly formed in the periphery of the walkway plate and are fixedly connected with the inner vertical rod and the outer vertical rod through first bolts, and a pattern steel plate is laid on the walkway plate; a sealing plate is arranged between the walkway plate at the lowest end of the main frame and the building wall, one end of the sealing plate is fixedly connected with the main frame, and the other end of the sealing plate is obliquely and upwards abutted against the building wall; a protective steel mesh is laid on the full height of the outer vertical surface of the main frame; a guide rail is vertically and fixedly arranged on one side of the main frame, which faces the building wall, one end of the attachment support is fixedly connected with the building wall, and the other end of the attachment support is supported on the guide rail; the lifting device is arranged on one side of the main frame, which faces the building wall, and is used for lifting or lowering the main frame.

Preferably, the inner vertical rod and the outer vertical rod have the same structure and comprise a plurality of rectangular tube segments, a plurality of first through holes are arranged on the rectangular tube segments at intervals, a connecting inserting core is arranged between every two adjacent rectangular tube segments, a plurality of first through holes identical to the rectangular tube segments are formed in the connecting inserting core, and two ends of the connecting inserting core are respectively inserted into the two adjacent rectangular tube segments and are fixed through second bolts.

Preferably, the walkway plate comprises a plurality of bottom frames, each bottom frame is a rectangular frame, and a plurality of through holes are uniformly formed in the periphery of each bottom frame; two adjacent lateral walls that the underframe was mutually butted pass through first bolt fixed connection.

Preferably, the closing plate comprises a plurality of off-wall supports, a fixing plate and a turning plate; the walkway plate is positioned at the lowest end of the main frame, a plurality of wall-separating supports are arranged on one side close to the building wall at intervals, the fixing plate is fixedly arranged on the wall-separating supports, one side of the turning plate is hinged with the fixing plate, and the other side of the turning plate is obliquely and upwards abutted against the building wall.

Preferably, one side of the guide rail, which faces the building wall, is provided with a plurality of anti-falling teeth at intervals along the vertical direction; the anti-falling device is characterized in that the attachment support is provided with an ejector rod and a return spring, two ends of the return spring are respectively connected with the attachment support and the ejector rod, one end of the ejector rod is hinged to the attachment support, and the other end of the ejector rod is abutted to the bottom of the corresponding anti-falling tooth under the action of the return spring.

Preferably, the cross section of the guide rail in the horizontal direction is i-shaped, one end of the attachment support facing the guide rail is provided with a pair of guide wheels, the guide rail is embedded between the pair of guide wheels, and the pair of guide wheels can respectively slide along two sides of the guide rail.

The utility model discloses at least, include following beneficial effect:

the utility model provides a closed attached lifting scaffold of all steel, pole setting, outer pole setting and walk the guidance tape and assemble and form in its main frame, simple to operate is swift. Through the through holes uniformly distributed in the periphery of the walkway plate, the installation of the main frame is not limited by the inner vertical rods and the intervals between the outer vertical rods, and the problem that non-standard parts are various due to the design of special-shaped parts of the steel pipe scaffold is effectively solved. Through the protection steel mesh of the outer facade of main frame and the closure plate of bottom, form the closed attached lift scaffold of all-steel, avoided falling down thing and the potential safety hazard that the operating personnel accident was fallen and is brought to the fire prevention is fire-insulated, has solved the fire prevention safety problem of scaffold.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic side view of an attached lifting scaffold according to an embodiment of the present invention;

fig. 2 is a schematic view of the connection structure of the rectangular pipe segment according to the above embodiment of the present invention;

fig. 3 is a schematic view of the connection structure of the bottom frame according to the above embodiment of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 1 at A;

FIG. 5 is an enlarged view of a portion of FIG. 1 at B;

Detailed Description

The present invention is described in further detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description.

It is to be noted that the experimental methods described in the following embodiments are all conventional methods unless otherwise specified, and the reagents and materials, if not otherwise specified, are commercially available; in the description of the present invention, the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

As shown in fig. 1-5, the utility model provides an all-steel closed attached lifting scaffold, include: the device comprises a main frame 4, a plurality of attaching supports 2 arranged at intervals along the vertical direction and a lifting device; the main frame 4 comprises a row of inner upright rods 41, a row of outer upright rods 42 and a plurality of walkway plates 43 arranged between the inner upright rods 41 and the outer upright rods 42 at intervals in the vertical direction; the inner vertical rod 41 and the outer vertical rod 42 are both rectangular steel pipes with adjustable lengths; on the premise of meeting the stress strength, a plurality of through holes are uniformly formed in the periphery of the walkway plate 43, the walkway plate is fixedly connected with the inner vertical rod 41 and the outer vertical rod 42 through first bolts, and a pattern steel plate is laid on the walkway plate 42; a sealing plate 3 is arranged between the walkway plate 43 at the lowest end of the main frame 4 and the building wall, one end of the sealing plate 3 is fixedly connected with the main frame 4, and the other end of the sealing plate 3 is obliquely and upwardly abutted against the building wall 1; a protective steel mesh 5 is laid on the full height of the outer vertical surface of the main frame 4; a guide rail 7 is vertically and fixedly arranged on one side of the main frame 4 facing the building wall 1, one end of the attached support 2 is fixedly connected with the building wall 1, and the other end of the attached support is supported on the guide rail; the lifting device is arranged on one side of the main frame 4 facing the building wall 1 and used for lifting or lowering the main frame 4.

In this technical solution, the main frame 4 is formed by splicing the inner vertical rod 41, the outer vertical rod 42 and the walkway plate 43, and is convenient and fast to install. A plurality of through holes are uniformly formed in the periphery of the walkway plate 43, and any part of the periphery of the walkway plate 43 can be connected with the inner vertical rod 41 and the outer vertical rod 42 through the first bolt, so that the installation of the main frame 4 is not limited by the distance between the inner vertical rod 41 and the outer vertical rod 42, the requirements of building walls of different shapes can be further met, and the problem of various nonstandard parts caused by the design of special-shaped parts of the steel pipe scaffold is effectively solved. The pavement board 43 is paved with the patterned steel plate, so that the requirement of flame retardance can be met while the pavement board is antiskid. Similarly, the protective steel mesh 5 is laid on the full height of the outer vertical surface of the main frame 4, so that the requirement of fire prevention and fire insulation of the scaffold can be met, and the problem of fire prevention safety of the scaffold is solved. The protection steel mesh 5 is a steel plate punching mesh, and a plurality of steel plate punching meshes are welded into a whole through small square pipes to serve as the protection steel mesh 5. The protective steel mesh 5 is laid along the height of the main frame 4, namely the protective steel mesh 5 completely covers the outer vertical surface of the main frame 4 to form full-closed protection; the closed plate 3 at the bottom of the main frame 4 is combined to form an all-steel closed attached lifting scaffold, so that potential safety hazards caused by falling objects and accidental falling of operators are avoided. The building wall body 1 is provided with a pre-buried hole according to the design position of the attachment support 2, and the attachment support 2 is fixed on the building wall body 1 through a wall penetrating bolt 6. The attachment support 2 is used for connecting a building wall 1 and the main frame 4, the attachment supports 2 are independent from each other, and any aging does not affect other attachment supports 2.

The lifting device adopts a lifting mechanism which is conventionally adopted by a lifting scaffold, and specifically comprises an electric hoist, a lifting support, an upper lifting block, a lower lifting block, a control system and the like. The lifting support is fixedly mounted on the building wall 1, preferably, the lifting support needs to be spaced from the attachment support 2 by a certain distance. Go up the promotion piece promote piece down interval fixed mounting from top to bottom on the guide rail, electric block hangs on going up the promotion piece, install the fixed pulley down on the promotion piece, electric block's chain pass through the fixed pulley after with promote the support and connect. The control system is used for synchronously controlling the electric hoists to realize the lifting of the main frame 4.

In another embodiment, the inner vertical rod 41 and the outer vertical rod 42 have the same structure and each include a plurality of rectangular pipe segments 401, a plurality of first through holes are spaced on the rectangular pipe segments 401, a connecting insert 402 is disposed between two adjacent rectangular pipe segments 401, a plurality of first through holes identical to the rectangular pipe segments 402 are disposed on the connecting insert 402, and two ends of the connecting insert 402 are inserted into the two adjacent rectangular pipe segments 402 respectively and fixed by second bolts 404.

In this technical solution, the inner vertical rod 41 and the outer vertical rod 42 are formed by splicing a plurality of rectangular pipe sections 401, so that the lengths of the inner vertical rod 41 and the outer vertical rod 42 can be flexibly adjusted according to the needs. Two adjacent rectangular pipe segments 401 are connected through the connecting inserting core 402, half of the connecting inserting core 402 extends into one rectangular pipe segment 401, the other half of the connecting inserting core extends into the other adjacent rectangular pipe segment 401, and then a second bolt 404 is screwed into corresponding first through holes on the rectangular pipe segment 401 and the connecting inserting core 402 for fixing. In order to further improve the connection stability of the two rectangular pipe sections 401, preferably, fixing plates 403 may be further disposed on two sides of the connection position of the two rectangular pipe sections 401, a plurality of first through holes are formed in the fixing plates 403, and second bolts 404 are sequentially inserted through the fixing plates 403, the rectangular pipe sections 401, and the corresponding first through holes of the connection insert 402 and then fixed. Preferably, the first through hole and the through hole on the walkway plate 43 can be configured to be the same size, so as to facilitate the connection between the walkway plate 43 and the inner vertical rod 41 and the outer vertical rod 42.

In another embodiment, the walkway plate 43 includes a plurality of bottom frames 431, the bottom frames 431 are rectangular frames, and a plurality of through holes are uniformly formed on the peripheries of the bottom frames 431; two adjacent side walls in the bottom frame 431, which are abutted to each other, are fixedly connected through the first bolt 433.

In this embodiment, the walkway plates 43 are formed by splicing a plurality of bottom frames 431, and can be flexibly spliced according to the designed length and width of the main frame 4 and the shape of the building wall 1. The first bolts 433 are screwed into the corresponding through holes on two side walls abutting in the two adjacent bottom frames 431 for fixing. When the two bottom frames 431 are connected in an aligned manner, the connecting plate 432 may be further disposed at the connection position of the two bottom frames 431, so as to further improve the connection stability of the two, and a part of the connecting plate 432 abuts against a side wall of one of the bottom frames 431, and another part abuts against a side wall of another adjacent bottom frame 431, and then the connecting plate 432 and the bottom frame 431 are sequentially fixed by the first bolt 433 passing through the corresponding through holes of the connecting plate 432 and the bottom frame 431.

In another embodiment, the closing plate 3 comprises a plurality of off-wall seats 33, fixing plates 32 and flaps 31; the walkway plate 43 positioned at the lowermost end of the main frame 4 is provided with a plurality of wall-separated supports 33 at intervals on one side close to the building wall 1, the fixing plate 32 is fixedly arranged on the wall-separated supports 33, one side of the turning plate 31 is hinged with the fixing plate 32, and the other side of the turning plate is obliquely and upwardly abutted against the building wall 1.

In this embodiment, the off-wall supports 33 are spaced apart from each other along the length direction of the walkway plate 43 to support the fixing plate 32, and the off-wall supports 33 are fixedly connected to the bottom frame 431 of the walkway plate 43. It can be understood that the width of the flap 31 should be larger than the distance between the side edge of the fixing plate 32 and the building wall 1, so that the flap 31 is abutted obliquely upward on the building wall 1 to form a closed bottom structure. The turning plate 31 is hinged to the fixing plate 32, so that the turning plate 31 can be turned over to the upper side of the fixing plate 32 when the main frame 4 is lifted, and the lifting of the main frame 4 is prevented from being influenced.

In another embodiment, a plurality of anti-falling teeth 71 are arranged on one side of the guide rail 7 facing the building wall at intervals along the vertical direction; and the attachment support 2 is provided with an ejector rod 21 and a return spring 22, two ends of the return spring 22 are respectively connected with the attachment support 2 and the ejector rod 21, one end of the ejector rod 21 is hinged with the attachment support 2, and the other end of the ejector rod 21 is abutted against the bottom of the corresponding anti-falling tooth 71 under the action of the return spring 22.

In this solution, the attachment bracket 2 supports the main frame 4 by the support rod 21 against the falling prevention teeth 71, and the load of the main frame 4 is transmitted to the building structure body to keep the main frame 4 stationary. During the lifting process of the main frame 4, the ejector rod 21 is abutted against the guide rail 7 under the action of the return spring 22, so that the main frame 4 can only be lifted. When the main frame 4 descends, the top rod 21 is pulled up to the side away from the guide rail 7, so that the top rod 21 is not stressed any more, and the main frame 4 can normally descend. Preferably, the top bar 21 can be connected to the lifting device, so that when the lifting device fails during the descending process of the main frame 4, the lifting device can be reset in time to abut against the falling prevention teeth 71, thereby preventing falling. Specifically, can be through will at flexible wire rope ejector pin 21 is connected with the drag link that promotes the support, and displacement compression spring is compressed during the electric block atress, and flexible wire rope atress will ejector pin 21 is pulled up, ejector pin 21 atress not, main frame 4 can normally descend, and when the emergency of electric block inefficacy appears suddenly, electric block no longer bears the load, and displacement compression spring bounces this moment, and flexible wire rope is no longer the atress, ejector pin 21 is in reset rapidly under reset spring 22 and withheld preventing weighing down tooth 71, prevent main frame 4 takes place the tenesmus.

In another embodiment, the cross section of the guide rail 7 in the horizontal direction is i-shaped, a pair of guide wheels 23 is disposed at one end of the attachment support 2 facing the guide rail 7, the guide rail 7 is embedded between the pair of guide wheels 23, and the pair of guide wheels 23 can respectively slide along two sides of the guide rail 7.

In this technical scheme, the guide rail 7 may be formed by welding two channel steels back to back, or may be formed by using an i-shaped steel, or two sides of a steel plate are provided with grooves to form an i-shaped structure, which is not limited herein. The guide rail 7 is embedded between the pair of guide wheels 23, that is, the pair of guide wheels 23 embraces the guide rail 7, and when the main frame 4 ascends or descends, the pair of guide wheels 23 simultaneously move along two sides of the guide rail 7 to limit the main frame 4 in the horizontal direction, so as to prevent the main frame 4 from inclining.

While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.

Claims

1. The utility model provides an all steel closed attached lifting scaffold which characterized in that includes: the device comprises a main frame, a plurality of attaching supports and a lifting device, wherein the attaching supports and the lifting device are arranged at intervals along the vertical direction; the main frame comprises a row of inner upright posts, a row of outer upright posts and a plurality of walkway plates which are arranged between the inner upright posts and the outer upright posts at intervals in the vertical direction; the inner vertical rod and the outer vertical rod are both rectangular steel pipes with adjustable lengths; a plurality of through holes are uniformly formed in the periphery of the walkway plate, the walkway plate is fixedly connected with the inner vertical rod and the outer vertical rod through first bolts, and a patterned steel plate is laid on the walkway plate; a sealing plate is arranged between the walkway plate at the lowest end of the main frame and the building wall, one end of the sealing plate is fixedly connected with the main frame, and the other end of the sealing plate is obliquely and upwards abutted against the building wall; a protective steel mesh is laid on the full height of the outer vertical surface of the main frame; one side of the main frame, which faces the building wall, is vertically and fixedly provided with a guide rail, one end of the attached support is fixedly connected with the building wall, and the other end of the attached support is supported on the guide rail; the lifting device is arranged on one side of the main frame, which faces the building wall, and is used for lifting or lowering the main frame.

2. The all-steel closed type attached lifting scaffold as claimed in claim 1, wherein the inner vertical rod and the outer vertical rod have the same structure, and each of the inner vertical rod and the outer vertical rod comprises a plurality of rectangular pipe segments, a plurality of first through holes are formed in the rectangular pipe segments at intervals, a connecting insert is arranged between two adjacent rectangular pipe segments, a plurality of first through holes identical to the rectangular pipe segments are formed in the connecting insert, and two ends of the connecting insert are respectively inserted into two adjacent rectangular pipe segments and fixed through second bolts.

3. The all-steel closed attached lifting scaffold according to claim 1, wherein the walkway plate comprises a plurality of bottom frames, the bottom frames are rectangular frames, and a plurality of through holes are uniformly formed on the peripheries of the bottom frames; two adjacent lateral walls that two looks butts in the underframe pass through first bolt fixed connection.

4. The all-steel enclosed attached lifting scaffold of claim 1, wherein said closing plate comprises a plurality of off-wall supports, fixing plates and turning plates; the walkway plate is positioned at the lowest end of the main frame, a plurality of wall-separating supports are arranged on one side close to the building wall at intervals, the fixing plate is fixedly arranged on the wall-separating supports, one side of the turning plate is hinged with the fixing plate, and the other side of the turning plate is obliquely and upwards abutted against the building wall.

5. The all-steel closed attached lifting scaffold according to claim 1, wherein the side of the guide rail facing the building wall is provided with a plurality of anti-falling teeth at intervals along the vertical direction; the anti-falling device is characterized in that the attachment support is provided with a top rod and a return spring, two ends of the return spring are respectively connected with the attachment support and the top rod, one end of the top rod is hinged to the attachment support, and the other end of the top rod is abutted to the bottom of the corresponding anti-falling tooth under the action of the return spring.

6. The all-steel closed type attached lifting scaffold according to claim 1, wherein the cross section of said guide rail in the horizontal direction is i-shaped, and said attachment support is provided with a pair of guide wheels at one end facing said guide rail, said guide rail is embedded between said pair of guide wheels, and said pair of guide wheels can slide along both sides of said guide rail respectively.